JPH08210099A - Tunnel lining plate installation method - Google Patents

Abstract

(57) [Summary] [Purpose] Simplify the installation work in the tunnel and perform lining safely and efficiently without obstructing the passage of vehicles. [Structure] A plurality of lining plates 4, 4 ′ are joined and integrated in the front-rear and left-right directions on an assembly frame 10 installed outside the tunnel 1 to assemble an arch-type assembly lining plate for a plurality of spans and The tire type wheels 23 and 24 are provided at the lower end of the vehicle, and the assembly lining plates 4 and 4 ′ can be moved back and forth via rollers 16 and 43 on a support frame 30 that is vertically movable and slidable left and right on the vehicle body 22. The vehicle body 22 is run along the side wall 2 in the tunnel 1 and moved to the lining portion in this state, and the support pedestal 30 is moved up and down and slide-adjusted, and then the assembled lining plates 4, 4 '. Is moved forward by a pressing member 46 provided at the rear end of the support base 30 so as to be able to move forward and backward, is joined to the pre-assembled lining plates 4, 4 ', and is installed on the side wall 2 at the left and right lower ends. Back out of the tunnel 1 and install in the same way It is characterized by successive extent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a construction method for installing a PC lining plate on a lining portion in repair lining of an existing tunnel.

[0002]

2. Description of the Related Art Conventionally, as a method of lining with a PC lining plate, generally, the lining plate is transported from the outside of the tunnel to the inside lining portion by a truck or the like and travels along a rail laid inside. The method of assembling by sequentially installing one by one in the lining section by the installation machine is adopted.

[0003]

In the repair lining of an existing tunnel, even if the installation machine is formed in a gate shape and a general vehicle can pass under it, the lining plate is transported by a truck or the like. When loading and unloading vehicles, the passage of ordinary vehicles is obstructed, and the rails obstruct the passage in a narrow tunnel.

Since the assembly and lining work must be performed inside the tunnel and in a narrow space between the installation machine and the installation machine, the work is difficult and the construction efficiency is poor, and it is not easy to secure the work safety and maintain the installation accuracy.

[0005]

[Means for Solving the Problems] A plurality of arc-shaped PC lining plates are joined and integrated in the front, rear, left, and right in an assembly frame installed outside a tunnel to assemble an arch-shaped lining plate for a plurality of spans, and a gate-shaped frame. At the lower left and right sides of the car body, front and rear tire type wheels that are electrically driven by the private generator installed in the car body are used as the drive power source, and assembled on a support stand that is vertically slidable on the car body and slidable left and right. The lining plate is supported movably back and forth via rollers, and in this state, the car body is run along the side wall installed in advance in the tunnel to move to the lining section, and the supporting pedestal is raised and lowered in the lining section. And slide-adjust the assembly lining plate to the front by a pressing member that is installed at the rear end of the support frame so that it can move forward and backward, and join it to the previously installed assembly lining plate, and the left and right lower ends. At the side After installation on top, the car body is run backwards outside the tunnel and the assembled lining plate assembled in advance on the assembly cradle is supported on the support cradle of the car body, and this assembled lining plate is similarly conveyed to the lining section. It proposes an installation method for the tunnel lining plate that was installed by simply installing it.

[Operation] In the assembly frame installed outside the tunnel where there is no restriction as a working space, a plurality of arc-shaped PC lining plates are joined and integrated in the front, rear, left and right, so that an arch type assembly lining plate for a plurality of spans can be safely and efficiently installed. Assemble.

At the time of this assembly, the upper portions of the arc-shaped PC lining plates are movably mounted on the transverse feed rollers mounted on the upper ends of the front portions of the fixed support and the movable support, respectively. The traverse rail mounted at a position lower than the upper end of the front part supports the supporting roller of the underframe detachably mounted in the middle of the inner surface of the lining plate so that it can move freely and is positioned and held. Is moved to the fixed support base side and the lining plates on both support pedestals are joined at their upper ends, and the lining plates are joined and integrated by bolts or joint hardware.

[0007] The lining plates thus assembled are stacked and supported on the support frame of the transportation and installation machine, transported by the transportation and installation machine to the lining section inside the tunnel and installed, and then the transportation and installation machine is installed outside the tunnel. Drive backwards.

While the transport installation machine reciprocates, a new lining plate is assembled on the assembly stand in the same manner as described above, and the transport installation machine again conveys the lining plate to the lining section and repeats the installation process.

In the lining section, in a state where the vehicle body of the transportation / installation machine is stopped in the vicinity of the preceding lining plate, the lining plate on the support frame is attached to the lining plate previously installed by the pressing member. Move forward until they touch and join.

In this case, when the support height or inclination of the lining plate on the support base does not match the installation level of the preceding lining plate, level adjustment is performed while vertically adjusting the four-point elevation adjustment mechanism.

Further, when the front end surface of the lining plate on the support pedestal is not parallel to the rear end surface of the preceding lining plate, the traverse beam is moved in opposite directions to adjust the direction together with the support pedestal. If the front surface of the lining plate on the support base is misaligned in the left-right direction with respect to the rear end surface of the preceding lining plate, move the transverse beam in the same direction and position it with the support base. Make adjustments.

After the installation position is adjusted and joined as described above, the assembly lining plate is supported on the upper end of the side wall while adjusting the height adjusting bolt attached to the lower end thereof, and the left and right lining plates installed on the side wall are installed. A horizontal force in the natural direction acts on the plate due to its own weight, so the horizontal adjustment bolt that is pre-screwed into the insert embedded in the middle part and protrudes on the outer peripheral surface side is pressed against the natural or existing tunnel to support it. To do.

When the transporting / installing machine travels, the guide rollers of the advancing / retreating arms of the sensor mechanism are brought into contact with the side walls or the guide rails provided along the same, and the sensing part is adjusted and set to an intermediate position where it is not sensed by the sensor. Then, in a curve or the like, for example, when the vehicle body comes too close to the side wall and at least one retractable arm of one of the carriages contracts, a sensor unit that synchronizes with this is sensed by a sensor to move the carriage away from the side wall. If the vehicle body is too far away from the side wall and at least one of the advancing / retreating arms of one of the trucks extends, the sensing unit senses the sensor to automatically steer the vehicle toward the side wall. As a result, the transportation and installation machine always runs at a certain distance from the side wall.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The illustrated embodiment shows a case of repairing and lining an existing tunnel. As shown in FIG. After building the existing pavement roadbed and laying down the PC pavement board and the gutter block to construct the roadbed 3, a pair of left and right arcuate PC lining boards 4, 4'at the top end at the top end. Join them, assemble them into an arch shape for a plurality of spans, and erect them along the arch portion of the existing tunnel 1 while supporting and fixing their lower ends on the left and right side walls 2 and 2 to construct the existing tunnel 1 and the lining plate. 4,
The back-filling material 5 is filled in the gap with 4'and integrated.

The lining plates 4 and 4'are rectangular arc plates having a thin wall (80 mm) while using a hard steel wire having a small diameter for the main rebar to ensure sufficient covering of concrete, and are shown in FIGS. As shown in the figure, one side has a convex part 6
On the other hand, the recesses 7 are formed so as to face each other so as to mesh with each other, and bolt insertion holes 8 and 8 ′ are formed in the width direction at the upper end and the lower end, respectively, as shown in FIG. The lining plates 4 and 4'of the above are joined to each other in plural pairs (three pairs in the figure) while engaging the convex portion 6 and the concave portion 7, and the bolts 9 are successively inserted into the respective bolt insertion holes 8 and 8'and fastened by a nut. As a result, the arch-shaped lining plate for a plurality of spans in which the distance between the lower ends is substantially equal to the distance between the left and right sidewalls is assembled.

Assembling of the lining plates 4 and 4'as described above is carried out by an assembling stand 10 installed outside the road near the wellhead of the existing tunnel 1.
In.

As shown in FIG. 6 and FIG.
A fixed support 12 and a movable support 12 'are installed on the base 11 so as to face each other, and the movable support 12' is a feed movement mechanism such as a rotary screw feed mechanism including a screw rod and a nut fitted to the rod. It is installed by 13 so that it can move back and forth in the direction opposite to the fixed support 12.

The fixed support 12 and the movable support 12 'are
A plurality of transverse feed rollers 14 are provided at the upper ends of the front portions facing each other.
Also, on the upper end of the rear part lower than the upper end of the front part,
5 is attached.

As shown in FIG. 8, on the lining plates 4, 4'to be assembled, an underframe 17 supporting a supporting roller 16 which is mounted on a transverse feed rail 15 and movably supported is preliminarily provided in the middle of the inner surface thereof. A plurality of bolts 18 are detachably attached, and the lining plates 4 and 4'are sequentially lifted by a crane to support the inner surface of the upper part thereof on each of the lateral feed rollers 14 of the fixed support 12 and the movable support 13 in the retracted position. Together with each support roller 1
6 is placed on the lateral feed rail and supported so as to be laterally movable.

In this way, the fixed support 12 and the movable support 1
By supporting a plurality of lining plates 4 and 4'on 3 respectively, the lining plates 4 and 4'are set in a state of following the arch portion of the existing tunnel 1, and in this state, the lower end portions are united with each other. The bolt 9 is passed through the bolt insertion hole 8 ′ in series and fastened with a nut, and then the movable support base 13 is fixed.
Then, the protrusions 6 and the recesses 7 facing each other are closely meshed with each other, and bolts 9 are passed through a series of bolt insertion holes 8 which are integrated with each other in the upper part to be fastened and integrated by a nut.

In addition to the bolt fastening, if necessary, the front and rear lining plates 4, 4 and 4 ', 4', and the left and right lining plates 4, 4'are joined to each other through appropriate fittings. Good.

After assembling the lining plates 4 and 4 ', the hanging table 19 shown in FIG. 9 is hung on the crane, and the lining plates 4 and 4'assembled to the arch-shaped frame 20 attached to the lower surface thereof.
Is detachably attached with bolts, and this is lifted by a crane together with the suspension base 19 and moved to the transportation installation machine 21 shown in FIG. 10 which stands by in the vicinity of the wellhead and set as shown in FIG. At 10, the subsequent lining plates 4 and 4'are assembled in the same manner.

The transportation installation machine 21 has front and rear tire-type wheels 23 at the left and right lower ends of a vehicle body 22 composed of a gate-shaped frame having a roof-shaped upper portion through which a vehicle such as a large automobile can pass.
24 is provided and is electrically driven by an in-house generator 25 mounted on the vehicle body 22 as a drive power source. A trolley 26 that rotatably supports each wheel 23, 24 is rotatably supported around a vertical axis. The trolley 26 and the car body 2 respectively
Two-wheel steering by the steering cylinder 27 mounted between the two, that is, the left and right rear wheels 24 turn in synchronization with the turning of the left and right front wheels 23 as shown in FIG. 11, and the steering is performed in a narrow tunnel. It is a mechanism that improves the steerability of curved running.

On the upper surface of the vehicle body 22 of the transport / installation machine 21, traverse beams 28, 28 'slidable in the width direction thereof are installed in parallel in the front-rear direction. An elevating adjustment mechanism 29 is provided on the upper and lower sides, and a supporting frame 30 of the lining plates 4 and 4 ′ is movably supported by the elevating adjustment mechanism 29 at four front, rear, left and right points.

The traversing beams 28, 28 'are shown in FIGS.
As shown in FIG. 5, L-shaped slidably mounted on the upper frame made of H-shaped steel of the vehicle body 22 through sliding plates 31 mounted on the lower surfaces of the left and right ends, and L-shaped mounted on both sides of the left and right parts facing each other. The lower end horizontal portion of the end holding body 32 is applied to the lower side of the upper flange 22 'of the upper frame so as not to fall off, and the central portions of the transverse beams 28, 28' are surrounded by the periphery. The central holding body 33, which is attached to the upper frame of the vehicle body 22 and surrounds the vehicle, is tightly held so as to allow some play. In this state, the vertical portion of the end holding body 32 is held. There is a slight gap between the side edges of the upper flange 22 'and the upper beam 22', which allows the transverse beams 28,2
8'is slightly slidable in the width direction of the upper frame of the vehicle body 22 and can be horizontally swung by some angle with the central portion as a fulcrum within the sliding range.

A traverse cylinder 34 is installed in the longitudinal direction in the central cavity of the traverse beams 28, 28 ', one end of which is pivoted by a pivot 35 perpendicular to the traverse beams 28, 28', and the other. The end is pivotally attached by a pivot 37 perpendicular to a support protrusion 36 provided on the upper frame of the vehicle body 22, and the traverse beams 28, 28 'are controlled by controlling the extension and contraction of the traverse cylinders 34, 34. It is possible to slide in the same direction in the longitudinal direction and move in parallel with the support pedestal 30 installed above, or slide in opposite directions and horizontally turn at a slight angle with the central portion as a fulcrum.

As shown in FIG. 16, each elevating / lowering adjusting mechanism 29 is attached to the tip of the telescopic rod 38 'of the elevating cylinder 38 fixed vertically on the traverse frames 28, 28' and vertically to the traverse frames 28, 28 '. An elevating cylinder body 40 slidably fitted in a fixed cylindrical guide 39 is pivotally attached by a pivot shaft 41, and the support frame 30 is attached to the upper end of the cylinder body 40.
The closed head portion of the support cylinder body 42 attached to the above is placed, and the support cylinder body 42 is loosely fitted around the cylindrical guide 39 with a slight gap, whereby the support frame 30 is moved forward, backward, leftward and rightward. It is supported by allowing a slight inclination to.

The support base 30 is formed in a roof shape in which both sides are inclined obliquely downward, and transverse feed rollers 43 are attached at three points on the front and back and in the middle on the left and right sides of the central horizontal portion. A horizontal feed rail 44 that is horizontal in the front-rear direction is attached to the section, and the assembly lining plates 4 and 4 ′ that are hung with a crane together with the suspension base 19 are supported on the respective horizontal feed rollers 43 and the lining is performed. The support rollers 16 of the plates 4 and 4'are placed on the lateral feed rail 44 and supported so as to be laterally movable.

The front and rear ends of the support base 30 are shown in FIGS.
As shown in FIG.
A front pressing member 45 and a rear pressing member 46 for pressing and locking the front and rear ends of each of the right and left are respectively provided so as to project obliquely upward in pairs.

The front pressing member 45 has a vertical bracket 47 provided at its rear end slidably fitted in a rectangular sleeve 48 fixed to the support frame 30 to advance and retract the rectangular arm 49. Vertical bracket 5 provided at the tip of
0 is pivotally attached to a 0 by a lateral support shaft 51, and is usually connected by a fixing pin 52 that can be inserted and removed above the support shaft 51. By pulling out the fixing pin 52 as necessary, the support shaft 52 It rotates downward with 51 as a fulcrum so that it can be disengaged from the front ends of the lining plates 4, 4 '.

The front pressing member 45 is a sleeve 48.
The cylinder 53 is mounted between the forward and backward movement arm 49 to move back and forth.

The forward / backward arm 49 of the front pressing member 45
Is a cylinder that is rotatable and slidable in a cylindrical sleeve 48, and the front pressing member 45 is rotated by rotating the cylinder.
May be tilted so as to remove the engagement with the front ends of the lining plates 4 and 4 '.

The rear pressing member 46 is attached to the tip of a rectangular tube-shaped advance / retreat arm 55 slidably fitted in a rectangular tube-shaped sleeve 54 fixed to the support frame 30, and the sleeve 54 and the advance / retreat arm 55 are connected to each other. Cylinder 56 installed between
It is designed to move back and forth.

When placing the lining plates 4, 4'on the support base 30, the outriggers 57 on the front, rear, left and right of the vehicle body are extended to support the vehicle body 22, and the traverse beams 28, 28 'are mounted on the support base 30. Adjust the movement to the center, and press the front and rear pressing members 45, 46.
Each of which is fully extended, and further four lifting control mechanisms 2
In a state in which 9 is once lowered to the bottom dead center and then raised slightly evenly, the lining plates 4 and 4'are gently hung and placed and supported on the lateral feed roller 43 and the lateral feed rail 44, and in this state By moving the cylinders 53 and 56 backward, the front and rear ends of the lining plates 4 and 4 ′ are clamped and fixed by the front and rear pressing members 45 and 46.

In this way, the lining plate 4,
After 4'is supported and fixed, the wheel drive machine of the vehicle body 22 is driven to enter the existing tunnel 1 mainly by manual steering,
Travel to the lining by manual or automatic steering.

During this underground driving, the vehicle body 22 is moved to the side wall 2
In order to always keep a constant distance along the vehicle, a pair of front and rear steering sensor mechanisms 58 for automatically steering the carriage 26 of each wheel 23, 24 so as to keep the distance between the vehicle body 22 and the side wall 2 constant. Is provided.

As shown in FIGS. 19 and 20, in the steering sensor mechanism 58, a guide roller 60 is rotatably supported at the projecting tip in a sleeve 59 mounted horizontally at the front and rear of the carriage 26 in the width direction of the vehicle body 22. The advancing / retreating arm 61 is slidably inserted, and the compression spring 62 interposed between the rear end and the rear end of the sleeve 59 receives the elastic force outwardly of the side surface of the vehicle body 22 to project. The front end is attached to the mounting plate 63 provided on the protruding front end by the adjusting nut 64 so that the position can be adjusted freely, and the rear end is parallel to the forward / backward arm 61 slidably inserted through the through hole of the support plate 65 provided on the sleeve 59. A pair of front and rear sensing parts 67, 6 which are moved forward and backward in conjunction with the forward / backward movement of the forward / backward arm 61, and which are provided in the middle of the forward / backward arm 61 with a slight gap in the forward / backward direction. Limit position detecting sensor 68,6 consisting contact or proximity sensor attached to 'the sleeve 59
By detecting by 8 ', a steering signal is transmitted to the steering cylinder 27 when the advancing / retreating operation of the advancing / retreating arm 61 exceeds the allowable limit, and by operating this, the trolley 26
The traveling direction of the vehicle is automatically and slightly controlled so that the vehicle body 22 travels at a constant distance from the side wall 2 at all times.

That is, when the vehicle body 22 travels, the guide roller 60 of each advancing / retreating arm 61 is brought into contact with the side wall 2 or a guide rail provided along the side wall 2 and the pair of front and rear sensing portions 67, 67 'of the operating rod 66 are connected. The vehicle is adjusted and set to an intermediate position where it is not sensed by the sensors 68 and 68 ', and the vehicle is run.

In a curve or the like, for example, the vehicle body 2
When the vehicle 2 approaches the side wall 2 and the retractable arm 61 of at least one of the carriages 26 contracts, the sensing unit 67
Is sensed by the sensor 68, the steering cylinder 27 operates to steer the carriage 26 in a direction away from the side wall 2, and conversely, the vehicle body 22 separates from the side wall 2 and at least one forward / backward movement arm 61 of one of the carriages 26. When the vehicle extends, the sensor 67 'detects the sensor 68' and the steering cylinder 27 operates to steer the carriage 26 in a direction to approach the side wall 2.

An abnormality detecting portion 69 is provided at the rear end of the operating rod 66, and if the vehicle body 22 approaches the side wall 2 excessively, the abnormality detecting portion 69 is detected to activate the emergency brake, Stop sensor 70 for stopping the traveling of the vehicle body 22
Is provided.

Further, the side surface of the vehicle body 22 does not come into contact with the side wall 2 during normal running, and if the vehicle body 22 comes too close to the side wall 2, it comes into contact with the side wall 2 to support the vehicle body 22. A support arm 72 having a roller 71 attached to the above is provided in a protruding manner.

As described above, the vehicle body 22 is steered to travel to the lining portion, and is stopped at the lining portion to carry out the installation work for installing the lining plates 4 and 4 '.

FIGS. 21 and 22 show a case where the lining plates 4, 4'installed in advance are sequentially installed and installed. The vehicle body 22 is placed close to the preceding lining plates 4, 4 '. The rear pressing member 46 is extended to the stroke end, and then the front pressing member 45 is contracted to stop the support base 30.
The upper lining plates 4 and 4'are retracted rearward, and the vehicle body 22 is moved so that the gap between the leading and trailing lining plates is within the stroke of the rear pressing member 46, and then the outrigger 57 is lowered. Grounding, and pulling out the fixing pin 55 fixing the front pressing member 45 and tilting it downward to disengage from the lining plates 4 and 4'and contracting the rear pressing member 46. The lining plates 4 and 4'on the support base 30 of the preceding lining plates 4 and 4 '
23, the positioning pin 73 and the engagement hole 74, which are provided so as to face each other as shown in FIG. 23, are engaged with each other, and the sealing material 75 is interposed therebetween for joining.

In this case, the lining plates 4 on the support base 30 are
When the support height and inclination of 4'do not match the installation level of the preceding lining plates 4, 4 ', a four-point lifting adjustment mechanism 29
Adjust the level while adjusting up and down.

It should be noted that the four-point lifting / lowering adjusting mechanism 29 is the only lifting / lowering adjusting mechanism 29, 29 positioned diagonally to the front, rear, left and right so that the lining plates 4, 4'are always stably supported at the four points. It is not possible to operate at the same time.

Furthermore, the lining plates 4, 4'on the support frame 30
24 is not parallel to the rear end faces of the preceding lining plates 4 and 4 ', as shown in FIG.
8'is moved in the reciprocal direction to adjust the orientation together with the support pedestal 30, and the front end surfaces of the lining plates 4 and 4'on the support pedestal 30 are left and right with respect to the rear end faces of the preceding lining plates 4 and 4 '. When the positions are deviated in the direction, the transverse beams 28, 28 'are moved in the same direction in the left and right direction and the position adjustment is performed together with the support frame 30.

With the lining plates 4 and 4'joined to the preceding lining plates 4 and 4'in this manner, as shown in FIG. After rotating the supporting leg 74 of the height adjusting bolt 73 and grounding it to the upper end of the side wall 2, the lifting and lowering adjusting mechanism 29 is all lowered to support the support roller 16
After removing the underframe 17 of No. 1, the outrigger 57 is moved up, the vehicle body 22 is moved backward, and it is moved to the outside of the mine to mount new lining plates 4 and 4 ′ already assembled on the assembly frame 10. Install as above.

Left and right lining plates 4, 4'installed on the side wall 2
Since its own weight exerts a horizontal force in the natural direction,
As shown in FIG. 26, the insert 75 embedded in the lower part thereof
Horizontal adjustment bolt 7 that is pre-screwed onto the outer peripheral surface
6 is pressed against the existing tunnel 1 to support it, and the side wall 2
The hook of the tip of the connecting rebar 78 is hooked on the rebar 77 fixed to the upper end of the, and the rear end is welded to the height adjusting bolt 73 to fix the lower part of the lining plates 4, 4 ', and the lining is performed in this state. Board 4,
After filling and solidifying the root mortar 79 in the gap around the lower part of 4 ', the backfill material 5 is injected and filled.

Although the repair lining of the existing tunnel has been described in the above embodiments, the present invention can be applied to a new tunnel.

[0050]

As described above, according to the present invention, the work space is not limited, and a plurality of arc-shaped PC lining plates are assembled on the assembly frame installed outside the tunnel that does not obstruct the passage of vehicles. In addition to being able to assemble efficiently, it is possible to assemble a new assembly lining plate by the time the transport installation machine moves to the lining section, installs the assembly lining plate, and returns. It can be conveyed continuously and can be installed reasonably, and the construction efficiency can be improved.

In the tunnel, only a transportation installation machine equipped with a gate-type vehicle body that allows vehicles to pass under it travels with tire-type wheels. Therefore, ordinary vehicles can pass through when repairing and lining an existing tunnel. It can be installed without blocking or blocking.

Since the transport installation machine travels using the private generator installed in the vehicle body as a drive source, cable winding and unwinding operations are not required even in a long tunnel such as when using an external power source, and the travel is simplified. can do.

In the lining construction according to the present invention,
The traveling speed of the transportation installation machine 21 is 18 m / min when loaded and 36 m / when empty.
If the distance to the lining section is 600 m, the round trip time is 51
Assuming that the time required for transshipment of the assembly lining plates 4 and 4'is 10 minutes and the adjustment and installation time is approximately 35 minutes, the total time required for one cycle is approximately 1 hour and 30 minutes. Including the above, if the working time per day is 6 hours, 4 cycles per day are possible.

[Brief description of drawings]

FIG. 1 is a front view showing an installed state of a lining plate according to the present invention.

FIG. 2 is a vertical cross-sectional front view of a restoration tunnel lined according to the present invention.

FIG. 3 is a plan view showing an aspect of a lining plate used in the present invention.

FIG. 4 is a plan view showing another aspect of the lining plate used in the present invention.

FIG. 5 is a plan view of the assembly lining plate according to the present invention.

FIG. 6 is a front view of an assembly frame used in the present invention.

FIG. 7 is a plan view of an assembly frame used in the present invention.

FIG. 8 is a front view of an underframe of a supporting roller used in the present invention.

FIG. 9 is a plan view of a suspension frame used in the present invention.

FIG. 10 is a perspective view of a transportation and installation machine used in the present invention.

FIG. 11 is a system diagram showing one mode of steering of the transportation installation machine used in the present invention.

FIG. 12 is a vertical cross-sectional side view of a transverse beam used in the transportation and installation machine used in the present invention.

FIG. 13 is a bottom view of a traverse beam used in the transportation installation machine of the present invention.

FIG. 14 is a vertical sectional end view of a traverse beam used in the transportation installation machine used in the present invention.

FIG. 15 is a vertical cross-sectional front view of the central portion of the transverse beam of the transportation / installation machine used in the present invention.

FIG. 16 is a vertical cross-sectional front view of an up-and-down adjusting mechanism of the transportation installation machine used in the present invention.

FIG. 17 is a vertical sectional side view of a front pressing member of the transportation and installation machine used in the present invention.

FIG. 18 is a vertical sectional side view of a rear pressing member of the transportation and installation machine used in the present invention.

FIG. 19 is a plan view of a steering sensor mechanism used in the transport installation machine of the present invention.

FIG. 20 is a vertical cross-sectional side view of the steering sensor mechanism of the transportation / installation machine used in the present invention.

FIG. 21 is a side view showing one embodiment of a step of installing a lining plate according to the present invention.

FIG. 22 is a side view showing another aspect of the step of installing the lining plate according to the present invention.

FIG. 23 is a partial vertical cross-sectional side view of a joint portion of an assembled lining plate joined according to the present invention.

FIG. 24 is a plan view showing the adjustment state of the orientation of the support frame of the transportation installation machine used in the present invention.

FIG. 25 is a partial vertical cross-sectional side view showing the state of the lower end portion of the lining plate installed according to the present invention.

FIG. 26 is a partial vertical sectional side view showing a state of an intermediate portion of a lining plate installed according to the present invention.

[Explanation of symbols]

 1 Existing tunnel 2 Side wall 3 Roadbed 4 Lining plate 4'lining plate 5 Backfilling material 6 Convex part 7 Recessed part 8 Bolt insertion hole 8'Bolt insertion hole 9 Bolt 10 Assembly base 11 Base 12 Fixed support 12 'Moving support Platform 13 Feed moving mechanism 14 Horizontal feed roller 15 Horizontal feed rail 16 Support roller 17 Underframe 18 Bolt 19 Suspension platform 20 Arched frame 21 Transport installation machine 22 Vehicle body 23 Front wheel 24 Rear wheel 25 Private generator 26 Truck 27 Steering cylinder 28 Traverse Beam 28 'Traverse Beam 29 Elevating Adjustment Mechanism 30 Supporting Stand 31 Sliding Plate 32 End Holding Body 33 Central Holding Body 34 Traverse Cylinder 35 Axis 36 Supporting Protrusion 37 Axis 38 Elevating Cylinder 39 Cylindrical Guide 40 Elevating Cylinder Body 41 Axis 42 Support Cylindrical Body 43 Traverse Roller 44 Traverse Rail 45 Front Pressing Member 46 Part pressing member 47 bracket 48 sleeve 49 advancing / retreating arm 50 bracket 51 supporting shaft 52 fixing pin 53 cylinder 54 sleeve 55 advancing / retreating arm 56 cylinder 57 outrigger 58 steering sensor mechanism 59 sleeve 60 guide roller 61 advancing / retreating arm 62 compression spring 63 mounting plate 64 adjusting nut 65 Support plate 66 Actuating rod 67 Sensing part 67 'Sensing part 68 Limit position detection sensor 68' Limit position detection sensor 69 Abnormality detection part 70 Stop sensor 71 Roller 72 Support arm 73 Positioning pin 74 Engagement hole 75 Insert 76 Leveling bolt 77 Reinforcing bar 78 Connection reinforcing bar 79 Rooting mortar

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinichi Goto 3-10 Ichibanhori-doricho, Niigata City, Niigata Prefecture Fukuda Gumi (stock company) (72) Inventor Tadao Kawahara 39-1528 Sakuradai, Midori-ku, Yokohama-shi, Kanagawa ( 72) Inventor Masahiro Shiraiwa 2418-11 Nakata, Furukawa City, Ibaraki Prefecture

Claims (4)

[Claims] 1. A portal frame for a transport installation machine, wherein a plurality of arc-shaped PC lining plates are joined and integrated in the front, rear, left and right directions on an assembly stand installed outside a tunnel to assemble arch-shaped lining plates for a plurality of spans. Front and rear wheels are provided at the left and right lower ends of the vehicle body, and the assembly lining plate is movably supported by rollers on the support pedestal that is vertically movable and slidable left and right on the vehicle body. In this state, the car body is run along the side wall installed in advance in the tunnel and moved to the lining section, and the support pedestal is moved up and down and slide-adjusted in the lining section, and then the assembled lining plate is placed after the support pedestal. It is moved forward by a pressing member provided at the end so that it can move back and forth in the front-back direction,
The assembly lining plate, which is joined to the assembly lining plate installed in advance and installed on the side walls at the left and right lower ends, is then moved backwards to the outside of the mine and preassembled on the assembly gantry. A method for installing a tunnel lining plate, which is characterized in that the lining plate is supported on a support frame of a vehicle body, and the assembled lining plate is transported to and installed in a lining section as described above. 2. The method for installing a tunnel lining plate according to claim 1, wherein the wheels are tire-type wheels before and after being electrically driven by using an in-house generator mounted on a vehicle body as a drive power source. 3. The method for installing a tunnel lining plate according to claim 1, wherein the assembly lining plate is installed on the side wall via height adjusting bolts protruding from the left and right lower ends thereof. 4. The left and right lining plates installed on the side walls are pre-screwed into an insert embedded in the middle portion of the lining plates to support horizontal adjustment bolts projecting on the outer peripheral surface side against the natural ground or an existing tunnel to support them. The method for installing a tunnel lining plate according to claim 1, characterized in that