CN113236302A

CN113236302A - Lining trolley for tunnel convenient for underground excavation of subway section and construction method thereof

Info

Publication number: CN113236302A
Application number: CN202110572707.XA
Authority: CN
Inventors: 李玉辉; 何帅
Original assignee: Wenzhou Kaisheng Ruiheng Technology Co ltd
Current assignee: Wenzhou Kaisheng Ruiheng Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-08-10

Abstract

The invention relates to a lining trolley for a tunnel convenient for underground excavation of subway sections, wherein an upper template is arranged above a support, side templates rotatably connected with two ends of the upper template are arranged on two sides of the support, a first fixing plate and a second fixing plate are fixedly connected with the inner wall of the support, the first fixing plate is positioned below the second fixing plate, a rotating assembly used for moving the upper template to the upper part of the support is arranged on one side of the top of the support, a moving plate is slidably connected with the top of the support, a driving assembly used for driving the moving plate to move is arranged on the top of the second fixing plate, a pushing assembly used for pushing the side templates and the upper template outwards is arranged on the top of the first fixing plate, the lining trolley is compact in structure, the upper template and the side templates in corresponding number can be selected to be assembled according to the change of the length of the tunnel sections, the corresponding templates do not need to be customized again, and the upper template and the side templates can be easily installed on the outer side of the support through the rotating assembly and the grabbing assembly, not only improves the construction efficiency, but also reduces the construction cost.

Description

Lining trolley for tunnel convenient for underground excavation of subway section and construction method thereof

Technical Field

The invention belongs to the technical field of tunnel construction equipment, and relates to a lining trolley for a tunnel and a construction method thereof, wherein the lining trolley is convenient for underground excavation of a subway section.

Background

Nowadays, with the continuous promotion and development of traffic ways, cities increasingly build subways, and the subways bring great convenience to the traveling of people. In the construction of subways, a large number of tunnels need to be excavated or built, a lining method is usually needed for construction in tunnel construction, and lining refers to a permanent supporting structure constructed by materials such as reinforced concrete and the like along the periphery of a tunnel body in order to prevent surrounding rocks from deforming or collapsing.

In the tunnel lining construction, often use tunnel lining template platform truck to be under construction, make efficiency of construction and security all show and promote, lining template platform truck mainly comprises template and support, the support mainly used bearing, the template is then designed according to the tunnel shape of required lining cutting, because the section length in tunnel is different, consequently different templates then need be changed when meetting the tunnel of different length, and because the template is a whole arc mostly, at the in-process of changing the template more difficult and influence the efficiency of construction, in addition need customize the template again according to tunnel length when meetting different tunnels, the intangible very big construction cost and the wasting of resources of having increased.

Disclosure of Invention

In view of the above, the invention provides a lining trolley for a tunnel, which is convenient for underground excavation of a subway section, and a construction method thereof, in order to solve the problems that in tunnel lining construction, a tunnel lining template is difficult to replace, the template cannot be suitable for tunnels with different section lengths, the size of the template is large, and the replacement of wood boards and the construction efficiency are affected.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a lining cutting platform truck for tunnel convenient to subway section undercut, includes the support, the top of support is equipped with the cope match-plate pattern, the both sides of support all are equipped with the side form board of being connected with the rotation of cope match-plate pattern both ends, first fixed plate of support inner wall fixedly connected with and second fixed plate, and first fixed plate is located the below of second fixed plate, top one side of support is equipped with the runner assembly who is used for moving the cope match-plate pattern to the support top, the top sliding connection of support has the movable plate, the top of second fixed plate is equipped with the drive assembly who is used for driving the movable plate to remove, the top of first fixed plate is equipped with and is used for side form board and the promotion subassembly that the cope match-plate pattern promoted to the outside.

Further, the rotating assembly comprises a stepping motor fixedly connected to one side of the top of the support, one side of the top of the support is provided with a second rotating rod which is connected in a transverse rotating manner, an output shaft of the stepping motor is fixedly connected with the second rotating rod, the outer wall of the second rotating rod is fixedly sleeved with two symmetrical rotating sleeves with sliding grooves, a sliding rod is connected in the rotating sleeve in a sliding manner, one side of the rotating sleeve is fixedly connected with a first motor, one side of the sliding rod, which is close to the first motor, is fixedly connected with a rack which extends into the sliding groove of the rotating sleeve, the rack and the output shaft of the first motor are in gear transmission, one end, which is far away from the support, of the sliding rod is provided with a grabbing assembly for grabbing the upper template, the stepping motor is started, the stepping motor drives the second rotating rod and the rotating sleeve to rotate, so that the rotating sleeve inclines downwards, the first motor is started, and the first motor and the rack are in gear transmission, and then first motor drives the slide bar and outwards slides, makes things convenient for the last clamping jaw of later stage and lower clamping jaw spare cope match-plate pattern to snatch.

Further, snatch the subassembly and include that fixed connection keeps away from the connecting block of support one end at the slide bar, the connecting block internal rotation is connected with the lower clamping jaw of last clamping jaw and being located the last clamping jaw below, the top and the bottom of slide bar all rotate and are connected with the hydraulic stem, two the other end of hydraulic stem rotates with last clamping jaw and lower clamping jaw respectively and is connected, and rotation through last clamping jaw and lower clamping jaw can be easily snatched the cope match-plate pattern.

Further, the driving assembly comprises a rotating motor fixedly connected to the top of the second fixing plate, a rectangular through hole is formed in the top of the support, a lead screw is rotatably connected in the rectangular through hole, one end, far away from the second rotating rod, of the lead screw rotates to penetrate through the inner wall of one side of the rectangular through hole and is fixedly connected with a synchronizing wheel, the synchronizing wheel is connected with an output shaft of the rotating motor through synchronous belt transmission, a second nut fixedly connected with the bottom of the moving plate is connected with the outer wall of the lead screw in a threaded manner, two symmetrical hydraulic cylinders are fixedly connected to the top of the moving plate, a second roller is arranged on a piston rod of each hydraulic cylinder, a double-shaft air cylinder positioned between the two hydraulic cylinders is fixedly connected to the top of the moving plate, a U-shaped block is fixedly connected to a piston rod of the double-shaft air cylinder, and the upper template and the side template can be conveyed through the moving plate in a reciprocating manner, the upper die plate and the side die plate are placed one by one in the later period conveniently.

Further, promote the subassembly and include the driving motor of fixed connection at first fixed plate top, the top of first fixed plate is run through to rotate and is connected with the lead screw, and the lead screw passes through the bevel gear transmission with driving motor's output shaft and is connected, the top fixedly connected with of lead screw rotates the worm that runs through the second fixed plate, the outer wall threaded connection of lead screw has first nut, the one side that the support was kept away from each other all slides and has run through the slide, two the slide is one side that is close to each other all rotates and is connected with first rotation pole, and the one end that two first rotation poles are close to the lead screw all rotates with first nut and is connected.

Furthermore, the pushing assembly further comprises a sliding plate which is connected in the support in a sliding mode and located above the second fixing plate, the bottom of the sliding plate is fixedly connected with two symmetrical sliding blocks which penetrate through the second fixing plate, the two sliding blocks are close to one side of the sliding plate, the two sliding blocks are fixedly connected with a worm bar which is meshed with the worm, the top of the sliding plate is fixedly connected with two symmetrical supporting plates which penetrate through the inner wall of the top of the support, the first rollers are arranged on the top of the supporting plates and one side, far away from the two sliding plates, of the supporting plates at equal intervals, the driving motor is started to drive the screw rod to rotate, the two supporting plates and the two sliding plates can be pushed to the outer side, and therefore the side templates and the upper template can be attached to the inner portion of the tunnel.

Further, the equal fixedly connected with universal wheel in bottom four corners position of support can finely tune the position of support through the universal wheel, makes the support be in the section intermediate position in tunnel.

Further, one side of the upper template and one side of the two side templates close to the support are respectively provided with a pulley groove, and the plurality of second rollers and the plurality of first rollers respectively extend into the corresponding pulley grooves, so that the positions of the upper template and the side templates can be easily adjusted through the pulley grooves.

Further, two the same baffle of one end fixedly connected with of second dwang, two is kept away from to the backup pad one side sliding connection that the backup pad is close to each other has splint, and the bottom of splint slides and runs through the support, two unipolar cylinders that are located the rectangle through-hole both sides of top fixedly connected with of support, two the piston rod of unipolar cylinder all with splint sliding connection, start unipolar cylinder, the piston rod pulling splint of unipolar cylinder slide to the inboard, and then can be with a plurality of cope match-plate pattern centre grippings, make a plurality of cope match-plate patterns tightly laminate.

A construction method of a lining trolley for a tunnel convenient for underground excavation of a subway section comprises the following steps:

s1, firstly, assembling the two side templates and the upper template, then starting a stepping motor, enabling an output shaft of the stepping motor to be in gear transmission with a second rotating rod, enabling the stepping motor to drive the second rotating rod and a rotating sleeve to rotate, further enabling the rotating sleeve to incline downwards, then starting a first motor, enabling the first motor to be in gear transmission with a rack, and further enabling the first motor to drive a sliding rod to slide outwards;

s2, starting the two hydraulic rods, enabling piston rods of the two hydraulic rods to contract to respectively drive the upper clamping jaw and the lower clamping jaw to rotate, so that the upper clamping jaw and the lower clamping jaw are opened, placing an upper template in the assembled side template and the assembled upper template in the upper clamping jaw and the lower clamping jaw, and then extending the piston rods of the two hydraulic rods so that the upper clamping jaw and the lower clamping jaw can hold the upper template;

s3, starting a stepping motor, driving a rotating sleeve to rotate reversely, enabling the rotating sleeve to incline upwards, driving an upper template and a side template to move towards the upper side of a support by the rotating sleeve, enabling the upper template and the side template to be located above the support, starting the rotating motor, driving a synchronizing wheel and a lead screw to rotate by the rotating motor through a synchronous belt, enabling the lead screw to be in threaded connection with a second nut, driving a moving plate to move towards a second rotating rod by the second nut along with the rotation of the lead screw, enabling a U-shaped block to be located just under the upper template, extending a piston rod of a double-shaft cylinder and a piston rod of a hydraulic cylinder, enabling a second roller to extend into a pulley groove, enabling the upper template to be clamped in the U-shaped block, and then releasing the upper clamping jaw and the lower clamping jaw from grabbing the upper template;

s4, a rotating motor drives a screw rod to rotate reversely, a moving plate drives an upper template and a side template to move inwards, when the upper template and the side template are located above a first roller at the innermost side of the top of a supporting plate, the moving plate stops moving, then piston rods of a double-shaft cylinder and a hydraulic cylinder shrink, the upper template is placed above the first roller at the innermost side of the top of the supporting plate, the upper template is attached to a baffle, the first roller extends into a pulley groove, then the piston rods of the double-shaft cylinder and the hydraulic cylinder continue to shrink, so that a second roller and a U-shaped block are separated from the upper template, then the operations of S1, S2 and S3 are repeated, and the assembled upper template and the assembled side template are placed at the top of the second roller one by one;

s5, starting a driving motor, driving a lead screw and a worm to rotate through a bevel gear, wherein a worm bar is meshed with the worm due to the threaded connection of a first nut and the lead screw, the first nut starts to move upwards along with the rotation of the lead screw, so that a first rotating rod pushes a sliding plate to slide outwards, a first roller on one side of the sliding plate extends into a pulley groove of a side template, the side template can be attached to the inside of a tunnel through the first roller, the sliding plate and a supporting plate are pushed to move upwards along with the rotation of the worm, and an upper template is pushed to be attached to the inside of the tunnel through a hydraulic cylinder;

s6, start the unipolar cylinder, the piston rod shrink of unipolar cylinder, the pulling splint slide to the baffle direction, and then make baffle and splint carry out the centre gripping with a plurality of cope match-plates, make a plurality of cope match-plates tightly laminate, according to tunnel length needs, can change the quantity that the cope match-plate pattern was assembled.

The invention has the beneficial effects that:

1. the lining trolley for the tunnel convenient for underground excavation of the section of the subway disclosed by the invention has the advantages that by starting the stepping motor, the output shaft of the stepping motor is in gear transmission with the second rotating rod, the stepping motor drives the second rotating rod and the rotating sleeve to rotate, so that the rotating sleeve is inclined downwards, then the first motor is started, the first motor is in gear transmission with the rack, and further the first motor drives the sliding rod to slide outwards, so that the template on the upper clamping jaw and the lower clamping jaw piece can be conveniently grabbed in the later period.

2. The lining trolley for the tunnel convenient for underground excavation of the subway section disclosed by the invention has the advantages that by starting the two hydraulic rods, piston rods of the two hydraulic rods contract to respectively drive the upper clamping jaw and the lower clamping jaw to rotate, so that the upper clamping jaw and the lower clamping jaw are opened, an assembled side template and an assembled upper template in the upper template are placed in the upper clamping jaw and the lower clamping jaw, and then the piston rods of the two hydraulic rods extend, so that the upper clamping jaw and the lower clamping jaw clamp the upper template.

3. According to the lining trolley for the tunnel, which is convenient for underground excavation of the subway section, the upper template and the side template can be easily placed at the tops of the hydraulic cylinder and the double-shaft cylinder through the matching of the rotating assembly and the grabbing assembly.

4. According to the lining trolley for the tunnel, which is convenient for underground excavation of the subway section, disclosed by the invention, by starting the single-shaft cylinder, the piston rod of the single-shaft cylinder is contracted, the clamping plate is pulled to slide towards the direction of the baffle plate, so that the baffle plate and the clamping plate clamp a plurality of upper templates, the plurality of upper templates are tightly attached, and the number of the upper templates assembled can be changed according to the length requirement of the tunnel.

The tunnel formwork assembling device is compact in structure, the upper formworks and the side formworks in corresponding quantity can be selected to be assembled according to the change of the section length of the tunnel, the corresponding formworks do not need to be customized again, the upper formworks and the side formworks can be easily installed on the outer sides of the supports through the rotating assembly and the grabbing assembly, the construction efficiency is improved, and the construction cost is reduced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front sectional view of a lining trolley for a tunnel convenient for underground excavation of a subway section according to the present invention;

FIG. 2 is a first side view of a first support in the lining trolley for the tunnel convenient for underground excavation of a subway section;

FIG. 3 is a side sectional view of a support in a lining trolley for a tunnel convenient for underground excavation of a subway section according to the present invention;

FIG. 4 is a first top view of a support in the lining trolley for the tunnel convenient for underground excavation of a subway section;

FIG. 5 is a top view of a rotating sleeve in a lining trolley for a tunnel convenient for underground excavation of a subway section according to the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 7 is a second top view of a support in the lining trolley for the tunnel convenient for underground excavation of a subway section;

FIG. 8 is a second side view of the middle support of the lining trolley for the tunnel, which is convenient for underground excavation of the subway section.

Reference numerals: 1. a support; 2. a first fixing plate; 3. a universal wheel; 4. a drive motor; 5. a slide plate; 6. a first roller; 7. a lead screw; 8. a first nut; 9. a first rotating lever; 10. a second fixing plate; 11. a worm; 12. a slider; 13. a snail mother strip; 14. a sliding plate; 15. a support plate; 16. a rectangular through hole; 17. a screw rod; 18. a synchronizing wheel; 19. rotating the motor; 20. a synchronous belt; 21. a second nut; 22. moving the plate; 23. a hydraulic cylinder; 24. a double-shaft cylinder; 25. a U-shaped block; 26. a second roller; 27. mounting a template; 28. a sideform; 29. a pulley groove; 30. a second rotating lever; 31. a stepping motor; 32. rotating the sleeve; 33. a slide bar; 34. a rack; 35. a first motor; 36. connecting blocks; 37. an upper clamping jaw; 38. a lower jaw; 39. a hydraulic lever; 40. a baffle plate; 41. a splint; 42. a single-shaft cylinder.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Example one

As shown in fig. 1-6, a lining trolley for tunnel convenient to subway section undercut, including support 1, the top of support 1 is equipped with cope match-plate pattern 27, the both sides of support 1 all are equipped with the side form board 28 of being connected with cope match-plate pattern 27 both ends rotation, support 1 inner wall fixedly connected with first fixed plate 2 and second fixed plate 10, and first fixed plate 2 is located the below of second fixed plate 10, top one side of support 1 is equipped with the runner assembly that is used for removing cope match-plate pattern 27 to support 1 top, the top sliding connection of support 1 has movable plate 22, the top of second fixed plate 10 is equipped with the drive assembly that is used for driving movable plate 22 to remove, the top of first fixed plate 2 is equipped with the promotion subassembly that is used for side form board 28 and cope match-plate pattern 27 to outside promotion.

In the invention, the rotating component comprises a stepping motor 31 fixedly connected to one side of the top of the bracket 1, one side of the top of the bracket 1 is provided with a second rotating rod 30 which is transversely and rotatably connected, an output shaft of the stepping motor 31 is fixedly connected with the second rotating rod 30, the outer wall of the second rotating rod 30 is fixedly sleeved with two symmetrical rotating sleeves 32 with sliding grooves, a sliding rod 33 is slidably connected in the rotating sleeve 32, one side of the rotating sleeve 32 is fixedly connected with a first motor 35, one side of the sliding rod 33 close to the first motor 35 is fixedly connected with a rack 34 extending into the sliding groove of the rotating sleeve 32, the rack 34 and the output shaft of the first motor 35 are in gear transmission, one end of the sliding rod 33 far away from the bracket 1 is provided with a grabbing component for grabbing the upper template 27, the stepping motor 31 is started, the stepping motor 31 drives the second rotating rod 30 and the rotating sleeve 32 to rotate, so as to enable the rotating sleeve 32 to incline downwards, the first motor 35 is started, the first motor 35 and the rack 34 are in gear transmission, and then the first motor 35 drives the sliding rod 33 to slide outwards, so that the upper die plate 27 of the upper clamping jaw 37 and the lower clamping jaw 38 in the later period can be conveniently grabbed.

According to the invention, the grabbing assembly comprises a connecting block 36 fixedly connected to one end of the sliding rod 33, which is far away from the bracket 1, an upper clamping jaw 37 and a lower clamping jaw 38 positioned below the upper clamping jaw 37 are rotatably connected to the connecting block 36, hydraulic rods 39 are rotatably connected to the top and the bottom of the sliding rod 33, the other ends of the two hydraulic rods 39 are respectively rotatably connected with the upper clamping jaw 37 and the lower clamping jaw 38, and the upper template 27 can be easily grabbed through the rotation of the upper clamping jaw 37 and the lower clamping jaw 38.

In the invention, the driving assembly comprises a rotating motor 19 fixedly connected to the top of the second fixing plate 10, a rectangular through hole 16 is arranged at the top of the bracket 1, a screw rod 17 is rotatably connected in the rectangular through hole 16, one end of the screw rod 17 far away from the second rotating rod 30 is rotatably penetrated through the inner wall of one side of the rectangular through hole 16 and is fixedly connected with a synchronizing wheel 18, the synchronizing wheel 18 is in transmission connection with an output shaft of the rotating motor 19 through a synchronous belt 20, a second nut 21 fixedly connected with the bottom of a moving plate 22 is in threaded connection with the outer wall of the screw rod 17, two symmetrical hydraulic cylinders 23 are fixedly connected with the top of the moving plate 22, a second roller 26 is arranged on a piston rod of each hydraulic cylinder 23, a double-shaft air cylinder 24 positioned between the two hydraulic cylinders 23 is fixedly connected with the top of the moving plate 22, a U-shaped block 25 is fixedly connected with the piston rod of the double-shaft air cylinder 24, and the upper template 27 and the side template 28 can be conveyed through the back and forth movement of the moving plate 22, the upper die plate 27 and the side die plate 28 are placed one by one in the later period of convenience.

According to the invention, the pushing assembly comprises a driving motor 4 fixedly connected to the top of a first fixing plate 2, the top of the first fixing plate 2 is in a penetrating and rotating connection with a lead screw 7, the lead screw 7 is in transmission connection with an output shaft of the driving motor 4 through a bevel gear, the top end of the lead screw 7 is fixedly connected with a worm 11 which is in a rotating and penetrating connection with a second fixing plate 10, the outer wall of the lead screw 7 is in threaded connection with a first nut 8, sliding plates 5 are respectively penetrated through the sides, far away from each other, of the supports 1 in a sliding manner, one sides, close to each other, of the two sliding plates 5 are respectively in rotating connection with a first rotating rod 9, and one ends, close to the lead screw 7, of the two first rotating rods 9 are respectively in rotating connection with the first nut 8.

In the invention, the pushing assembly further comprises a sliding plate 14 which is slidably connected in the bracket 1 and positioned above the second fixing plate 10, the bottom of the sliding plate 14 is fixedly connected with two symmetrical sliding blocks 12 which penetrate through the second fixing plate 10 in a sliding manner, one sides of the two sliding blocks 12 which are close to each other are fixedly connected with a worm bar 13 which is meshed with the worm 11, the top of the sliding plate 14 is fixedly connected with two symmetrical supporting plates 15 which penetrate through the inner wall of the top of the bracket 1 in a sliding manner, a plurality of first rollers 6 are arranged at equal intervals on the top ends of the two supporting plates 15 and one side of the two sliding plates 5 which are far away from each other, the driving motor 4 is started to drive the screw 7 to rotate, and then the two supporting plates 15 and the two sliding plates 5 can be pushed outwards, so that the side die plates 28 and the upper die plate 27 can be attached to the inside of the tunnel.

According to the invention, the four corners of the bottom of the support 1 are fixedly connected with universal wheels 3, and the position of the support 1 can be finely adjusted through the universal wheels 3, so that the support 1 is positioned in the middle of the section of the tunnel.

In the invention, pulley grooves 29 are respectively arranged on one sides of the upper template 27 and the two side templates 28 close to the bracket 1, and the plurality of second rollers 26 and the plurality of first rollers 6 respectively extend into the corresponding pulley grooves 29, so that the positions of the upper template 27 and the side templates 28 can be easily adjusted through the pulley grooves 29.

Example two

As a further improvement of the previous embodiment, as shown in fig. 1 to 8, the lining trolley for a tunnel convenient for underground excavation of a subway section comprises a support 1, an upper formwork 27 is arranged above the support 1, side formworks 28 rotatably connected with two ends of the upper formwork 27 are arranged on two sides of the support 1, a first fixing plate 2 and a second fixing plate 10 are fixedly connected to the inner wall of the support 1, the first fixing plate 2 is located below the second fixing plate 10, a rotating assembly used for moving the upper formwork 27 to the upper side of the support 1 is arranged on one side of the top of the support 1, a moving plate 22 is slidably connected to the top of the support 1, a driving assembly used for driving the moving plate 22 to move is arranged on the top of the second fixing plate 10, and a pushing assembly used for pushing the side formworks 28 and the upper formwork 27 to the outside is arranged on the top of the first fixing plate 2.

In the invention, one end of each of the two support plates 15, which is far away from the second rotating rod 30, is fixedly connected with the same baffle 40, one side of each of the two support plates 15, which is close to each other, is slidably connected with a clamp plate 41, the bottom end of each clamp plate 41 slidably penetrates through the support 1, the top of the support 1 is fixedly connected with two single-shaft cylinders 42, which are located on two sides of the rectangular through hole 16, piston rods of the two single-shaft cylinders 42 are both slidably connected with the clamp plates 41, the single-shaft cylinders 42 are started, and the piston rods of the single-shaft cylinders 42 pull the clamp plates 41 to slide inwards, so that the plurality of upper templates 27 can be clamped, and the plurality of upper templates 27 are tightly attached.

The advantages of the second embodiment over the first embodiment are: the same baffle 40 of one end fixedly connected with that second dwang 30 was kept away from to two backup pads 15, one side sliding connection that two backup pads 15 are close to each other has splint 41, and the bottom of splint 41 slides and runs through support 1, two unipolar cylinders 42 that are located rectangle through-hole 16 both sides of top fixedly connected with of support 1, the piston rod of two unipolar cylinders 42 all with splint 41 sliding connection, start unipolar cylinder 42, unipolar cylinder 42's piston rod pulling splint 41 slides inwards, and then can be with the centre gripping of a plurality of cope match-plates 27, make a plurality of cope match-plates 27 tightly laminate.

s1, firstly, assembling the two side templates 28 and the upper template 27, then starting the stepping motor 31, enabling an output shaft of the stepping motor 31 to be in gear transmission with the second rotating rod 30, enabling the stepping motor 31 to drive the second rotating rod 30 and the rotating sleeve 32 to rotate, further enabling the rotating sleeve 32 to incline downwards, then starting the first motor 35, enabling the first motor 35 and the rack 34 to be in gear transmission, and further enabling the first motor 35 to drive the sliding rod 33 to slide outwards;

s2, starting the two hydraulic rods 39, and the piston rods of the two hydraulic rods 39 contract to respectively drive the upper clamping jaw 37 and the lower clamping jaw 38 to rotate, so as to open the upper clamping jaw 37 and the lower clamping jaw 38, and place the assembled sideform 28 and the upper form 27 in the upper clamping jaw 37 and the lower clamping jaw 38, and then extend the piston rods of the two hydraulic rods 39, so as to make the upper clamping jaw 37 and the lower clamping jaw 38 grasp the upper form 27;

s3, starting the stepping motor 31, driving the rotating sleeve 32 to rotate reversely by the stepping motor 31, enabling the rotating sleeve 32 to incline upwards, driving the upper template 27 and the side template 28 to move towards the upper side of the support 1 by the rotating sleeve 32, enabling the upper template 27 and the side template 28 to be located above the support 1, starting the rotating motor 19, driving the synchronizing wheel 18 and the lead screw 17 to rotate by the rotating motor 19 through the synchronous belt 20, enabling the lead screw 17 to be in threaded connection with the second nut 21, driving the moving plate 22 to move towards the direction of the second rotating rod 30 by the second nut 21 along with the rotation of the lead screw 17, enabling the U-shaped block 25 to be located just under the upper template 27, extending the piston rods of the double-shaft air cylinder 24 and the hydraulic cylinder 23, enabling the second roller 26 to extend into the pulley groove 29, enabling the upper template 27 to be clamped in the U-shaped block 25, and then releasing the upper clamping jaw 37 and the lower clamping jaw 38 from grabbing the upper template 27;

s4, the rotating motor 19 drives the screw rod 17 to rotate reversely, the moving plate 22 drives the upper template 27 and the side templates 28 to move inwards, when the upper template 27 and the side templates 28 are positioned above the first roller 6 on the innermost side of the top of the supporting plate 15, the moving plate 22 stops moving, then the piston rods of the double-shaft air cylinder 24 and the hydraulic cylinder 23 contract, the upper template 27 is placed above the first roller 6 on the innermost side of the top of the supporting plate 15, the upper template 27 is attached to the baffle 40, at the moment, the first roller 6 extends into the pulley groove 29, then the piston rods of the double-shaft air cylinder 24 and the hydraulic cylinder 23 continue contracting, the second roller 26 and the U-shaped block 25 are separated from the upper template 27, then the operations of S1, S2 and S3 are repeated, and the assembled upper template 27 and the assembled side templates 28 are placed on the top of the second roller 26 one by one;

s5, starting a driving motor 4, driving the driving motor 4 to drive a lead screw 7 and a worm 11 to rotate through a bevel gear, wherein the first nut 8 is in threaded connection with the lead screw 7, a worm nut strip 13 is meshed with the worm 11, the first nut 8 starts to move upwards along with the rotation of the lead screw 7, so that a first rotating rod 9 pushes a sliding plate 5 to slide outwards, a first roller 6 on one side of the sliding plate 5 extends into a pulley groove 29 of a side template 28, the side template 28 can be attached to the inside of a tunnel through the first roller 6, the sliding plate 14 and a supporting plate 15 are pushed to move upwards along with the rotation of the worm 11, and a hydraulic cylinder 23 pushes an upper template 27 to be attached to the inside of the tunnel;

s6, start unipolar cylinder 42, unipolar cylinder 42' S piston rod contracts, and pulling splint 41 slides to baffle 40 direction, and then makes baffle 40 and splint 41 carry out the centre gripping with a plurality of cope match-plate pattern 27, makes a plurality of cope match-plate pattern 27 tightly laminate, according to tunnel length needs, can change the quantity that cope match-plate pattern 27 assembled.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. A lining trolley for a tunnel convenient for underground excavation of a subway section, which comprises a bracket (1), it is characterized in that an upper template (27) is arranged above the bracket (1), two sides of the bracket (1) are respectively provided with a side template (28) which is rotatably connected with two ends of the upper template (27), the inner wall of the bracket (1) is fixedly connected with a first fixing plate (2) and a second fixing plate (10), the first fixing plate (2) is positioned below the second fixing plate (10), one side of the top of the bracket (1) is provided with a rotating component for moving the upper template (27) to the upper part of the bracket (1), the top of the bracket (1) is connected with a moving plate (22) in a sliding way, the top of the second fixed plate (10) is provided with a driving component for driving the moving plate (22) to move, the top of the first fixing plate (2) is provided with a pushing assembly used for pushing the side die plate (28) and the upper die plate (27) outwards.

2. The lining trolley convenient for the tunnel excavated by the underground subway section is characterized in that the rotating component comprises a stepping motor (31) fixedly connected to one side of the top of the support (1), one side of the top of the support (1) is provided with a second rotating rod (30) which is transversely and rotatably connected, an output shaft of the stepping motor (31) is fixedly connected with the second rotating rod (30), two symmetrical rotating sleeves (32) with sliding grooves are fixedly sleeved on the outer wall of the second rotating rod (30), a sliding rod (33) is slidably connected in the rotating sleeves (32), a first motor (35) is fixedly connected to one side of each rotating sleeve (32), a rack (34) which extends into the sliding groove of the rotating sleeve (32) is fixedly connected to one side of each sliding rod (33) which is close to the first motor (35), and the rack (34) and the output shaft of the first motor (35) are in gear transmission, and one end of the sliding rod (33) far away from the support (1) is provided with a grabbing component for grabbing the upper template (27).

3. The lining trolley for the tunnel convenient to underground excavation of the subway section is characterized in that the grabbing assembly comprises a connecting block (36) fixedly connected to one end, away from the support (1), of a sliding rod (33), an upper clamping jaw (37) and a lower clamping jaw (38) located below the upper clamping jaw (37) are rotatably connected to the connecting block (36), hydraulic rods (39) are rotatably connected to the top and the bottom of the sliding rod (33), and the other ends of the two hydraulic rods (39) are rotatably connected with the upper clamping jaw (37) and the lower clamping jaw (38) respectively.

4. The lining trolley for the tunnel convenient to excavate underground the subway section according to claim 2, wherein the driving assembly comprises a rotating motor (19) fixedly connected to the top of the second fixing plate (10), a rectangular through hole (16) is formed in the top of the bracket (1), a lead screw (17) is rotatably connected to the rectangular through hole (16), one end, far away from the second rotating rod (30), of the lead screw (17) rotates to penetrate through the inner wall of one side of the rectangular through hole (16) and is fixedly connected with a synchronizing wheel (18), the synchronizing wheel (18) is in transmission connection with an output shaft of the rotating motor (19) through a synchronizing belt (20), a second nut (21) fixedly connected with the bottom of the moving plate (22) is in threaded connection with the outer wall of the lead screw (17), two symmetrical hydraulic cylinders (23) are fixedly connected to the top of the moving plate (22), the piston rod of pneumatic cylinder (23) is equipped with second gyro wheel (26), the top fixedly connected with of moving plate (22) is located biax cylinder (24) between two pneumatic cylinders (23), the piston rod fixedly connected with U type piece (25) of biax cylinder (24).

5. The lining trolley for the tunnel convenient for underground excavation of the section of the subway as claimed in claim 2, it is characterized in that the pushing component comprises a driving motor (4) fixedly connected with the top of the first fixing plate (2), the top of the first fixing plate (2) is connected with a screw rod (7) in a penetrating and rotating way, and the screw rod (7) is in transmission connection with the output shaft of the driving motor (4) through a bevel gear, the top end of the lead screw (7) is fixedly connected with a worm (11) which rotatably penetrates through the second fixing plate (10), the outer wall of the lead screw (7) is in threaded connection with a first nut (8), sliding plates (5) penetrate through the sides of the supports (1) far away from each other in a sliding manner, first rotating rods (9) are rotatably connected to the sides of the two sliding plates (5) close to each other, and one ends of the two first rotating rods (9) close to the screw rod (7) are rotatably connected with the first nut (8).

6. The lining trolley for the tunnel convenient to excavate underground a subway section according to claim 5, wherein the pushing assembly further comprises a sliding plate (14) slidably connected in the support (1) and positioned above the second fixing plate (10), the bottom of the sliding plate (14) is fixedly connected with two symmetrical sliding blocks (12) which penetrate through the second fixing plate (10), the side, close to each other, of each sliding block (12) is fixedly connected with a worm bar (13) meshed with the worm (11), the top of the sliding plate (14) is fixedly connected with two symmetrical supporting plates (15) which penetrate through the inner wall of the top of the support (1), and the top ends of the two supporting plates (15) and the side, far away from each other, of the two sliding plates (5) are uniformly distributed with a plurality of first rollers (6).

7. The lining trolley for the tunnel convenient for underground excavation of the subway section as claimed in claim 1, wherein universal wheels (3) are fixedly connected to four corners of the bottom of the support (1).

8. The lining trolley for the tunnel convenient to excavate underground sections of a subway according to claim 4, wherein pulley grooves (29) are formed in one sides, close to the support (1), of the upper template (27) and the two side templates (28), and the plurality of second rollers (26) and the plurality of first rollers (6) extend into the corresponding pulley grooves (29) respectively.

9. The lining trolley for the tunnel convenient to subway section undercut of claim 6, characterized in that, two one end fixedly connected with same baffle (40) that second dwang (30) was kept away from to backup pad (15), two one side sliding connection that backup pad (15) are close to each other has splint (41), and the bottom of splint (41) slides and runs through support (1), the top fixedly connected with of support (1) is located two unipolar cylinders (42) of rectangle through-hole (16) both sides, two the piston rod of unipolar cylinder (42) all with splint (41) sliding connection.

10. A construction method of a lining trolley for a tunnel convenient for underground excavation of a subway section is characterized by comprising the following steps:

s1, firstly, assembling the two side templates (28) and the upper template (27), then starting a stepping motor (31), enabling an output shaft of the stepping motor (31) to be in gear transmission with a second rotating rod (30), enabling the stepping motor (31) to drive the second rotating rod (30) and a rotating sleeve (32) to rotate, further enabling the rotating sleeve (32) to incline downwards, then starting a first motor (35), enabling the first motor (35) to be in gear transmission with a rack (34), and further enabling the first motor (35) to drive a sliding rod (33) to slide outwards;

s2, starting the two hydraulic rods (39), enabling piston rods of the two hydraulic rods (39) to contract to drive the upper clamping jaw (37) and the lower clamping jaw (38) to rotate respectively, so that the upper clamping jaw (37) and the lower clamping jaw (38) are opened, placing an upper template (27) in the assembled side template (28) and the upper template (27) in the upper clamping jaw (37) and the lower clamping jaw (38), and then extending the piston rods of the two hydraulic rods (39), so that the upper clamping jaw (37) and the lower clamping jaw (38) can grasp the upper template (27);

s3, starting a stepping motor (31), driving a rotating sleeve (32) to rotate reversely by the stepping motor (31), enabling the rotating sleeve (32) to tilt upwards, driving an upper template (27) and a side template (28) to move towards the upper part of a support (1) by the rotating sleeve (32), enabling the upper template (27) and the side template (28) to be positioned above the support (1), starting a rotating motor (19), driving a synchronizing wheel (18) and a lead screw (17) to rotate by the rotating motor (19) through a synchronous belt (20), enabling the lead screw (17) to be in threaded connection with a second nut (21), driving a moving plate (22) to move towards a second rotating rod (30) by the second nut (21) along with the rotation of the lead screw (17), enabling a U-shaped block (25) to be just positioned under the upper template (27), then extending a piston rod of a double-shaft cylinder (24) and a hydraulic cylinder (23), and enabling a second roller (26) to extend into a pulley groove (29), the upper template (27) is clamped in the U-shaped block (25), and then the upper clamping jaw (37) and the lower clamping jaw (38) are released from grabbing the upper template (27);

s4, a rotating motor (19) drives a screw rod (17) to rotate reversely, a moving plate (22) drives an upper template (27) and a side template (28) to move inwards, when the upper template (27) and the side template (28) are located above a first roller (6) on the innermost side of the top of a support plate (15), the moving plate (22) stops moving, piston rods of a double-shaft air cylinder (24) and a hydraulic cylinder (23) contract, the upper template (27) is placed above the first roller (6) on the innermost side of the top of the support plate (15), the upper template (27) is attached to a baffle (40), the first roller (6) extends into a pulley groove (29), the piston rods of the double-shaft air cylinder (24) and the hydraulic cylinder (23) continue to contract, the second roller (26) and a U-shaped block (25) are separated from the upper template (27), and then operations of S1, S2 and S3 are repeated, and the assembled upper template (27) and side template (28) are placed on the top of a second roller (26) one by one;

s5, starting a driving motor (4), wherein the driving motor (4) drives a lead screw (7) and a worm (11) to rotate through a bevel gear, a first nut (8) is in threaded connection with the lead screw (7), a worm nut strip (13) is meshed with the worm (11), the first nut (8) starts to move upwards along with the rotation of the lead screw (7), so that a first rotating rod (9) pushes a sliding plate (5) to slide outwards, a first roller (6) on one side of the sliding plate (5) extends into a roller groove (29) of a side template (28), the first roller (6) can enable the side template (28) to be attached to the inside of the tunnel, a sliding block (12) pushes the sliding plate (14) and a supporting plate (15) to move upwards along with the rotation of the worm (11), and a hydraulic cylinder (23) pushes an upper template (27) to be attached to the inside of the tunnel;

s6, starting the single-shaft air cylinder (42), enabling a piston rod of the single-shaft air cylinder (42) to contract, pulling the clamping plate (41) to slide towards the baffle plate (40), further enabling the baffle plate (40) and the clamping plate (41) to clamp the upper templates (27), enabling the upper templates (27) to be tightly attached, and changing the number of the upper templates (27) to be assembled according to the length requirement of the tunnel.