CN219326257U

CN219326257U - Anti-blocking flap valve and scraper conveyor

Info

Publication number: CN219326257U
Application number: CN202320138604.7U
Authority: CN
Inventors: 邹同均
Original assignee: Wuhan Guanghong High Tech Equipment Co ltd
Current assignee: Wuhan Guanghong High Tech Equipment Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-11
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses an anti-blocking flap valve and a scraper conveyor, which are arranged at a discharge hole of a scraper conveyor shell and comprise a connecting pipe fitting, a gate flap, a transmission turnover mechanism and a telescopic driving device, wherein the upper end of the connecting pipe fitting is connected with the discharge hole at the bottom of the scraper conveyor shell, a pair of gate flaps are arranged at the position, close to the discharge hole, of the upper end of the connecting pipe fitting, one side, far away from each other, of each gate flap is fixedly connected with a flap shaft, the two flap shafts are symmetrically arranged at two sides of the upper end of the connecting pipe fitting and are both in rotary connection with the connecting pipe fitting, and the two flap shafts are connected with the telescopic driving device through the transmission turnover mechanism. The advantage is, after it is connected in scraper conveyor casing discharge gate through connecting the pipe fitting, and when flexible drive arrangement was flexible, accessible transmission tilting mechanism drove the gate and turns over the board and rotate and realize opening and close, flushes with the discharge gate when turning over the board that sets up to the opening, can not form the hopper of easy long-pending material promptly after the discharge gate department flap valve closes, can not appear putty and compounding's problem.

Description

Anti-blocking flap valve and scraper conveyor

Technical Field

The utility model belongs to the field of material conveying equipment, and particularly relates to an anti-blocking flap valve and a scraper conveyor.

Background

The valve that can open and close has been established in the material exit of casing bottom in some scraper conveyors now, and what often adopt at present is that by lead screw drive mechanism drive horizontal migration's push-pull valve, because of the installation space and the maintenance space of needs consideration lead screw and motor during installation, push-pull valve can not flush with scraper conveyor casing bottom material export generally, but in discharge gate department downwardly extending formation goes out the hopper, and horizontal push-pull valve flushes with the bottom opening of the discharge hopper. The valve with the structure has the advantages that due to the existence of the discharge hopper, after the gate valve is closed, materials in the shell of the scraper conveyor are easy to accumulate in the hopper, the materials are easy to stick together after being placed for a period of time, so that a blocking phenomenon is generated, and once the blocking phenomenon occurs, even if the gate valve is opened, the materials still cannot be smoothly discharged through the discharge port, and the use is affected; in addition, the same scraper conveyor can possibly convey different materials, and when conveying different materials, a certain amount of last residual conveyed materials are accumulated in the discharge hopper, so that the condition of mixing is generated, and the quality control of products is not facilitated.

Disclosure of Invention

The utility model aims to provide an anti-blocking flap valve and a scraper conveyor, and aims to overcome the defect that the existing scraper conveyor is easy to block and mix due to the fact that a hopper is formed at the outlet of a scraper conveyor shell by using the flap valve.

The technical scheme for solving the technical problems is as follows: the utility model provides an anti-blocking flap valve, locates the discharge gate department of scraper conveyor casing, it includes connection pipe fitting, gate turns over board, transmission tilting mechanism and flexible drive arrangement, connect the pipe fitting upper end to be connected with the discharge gate of scraper conveyor casing bottom, connect the upper end of pipe fitting to press close to discharge gate department is equipped with a pair of gate turns over board, two the gate turns over board each fixedly connected with of one side that keeps away from each other turns over board axle, two turn over board axisymmetry set up in connect the both sides of pipe fitting upper end and all with connect the pipe fitting rotation connection, two turn over board axle through transmission tilting mechanism with flexible drive arrangement is connected, two when flexible drive arrangement flexible action the gate turns over board and is in under the drive of turning over board axle the central line rotation in order to open or close the discharge gate.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the connecting pipe fitting is a pipe fitting with a rectangular cross section, the transmission turnover mechanism is arranged on the side face of one end where the broadside of the connecting pipe fitting is located, and the two turnover plate shafts are rotationally connected to the two sides where the long side of the upper end of the connecting pipe fitting is located.

Further, transmission tilting mechanism includes triangle transmission piece, first connecting rod and second connecting rod, the center of triangle transmission piece rotate connect in the one end side at connecting tube spare broadside place through the pivot, the one corner and the first connecting rod one end of triangle transmission piece rotate to be connected, the other end and the first dead lever one end of first connecting rod rotate to be connected, the first dead lever other end with one the one end fixed connection of turning over the board axle, another corner and the second connecting rod one end of triangle transmission piece rotate to be connected, the other end and the second dead lever one end of second connecting rod rotate to be connected, the second dead lever other end with another the one end fixed connection of turning over the board axle, the remaining one corner of triangle transmission piece with flexible drive arrangement is located the flexible end on upper portion articulates.

Further, still include the gate and connect the fill under, thick and thin and both ends all open-ends just under the gate connect the upper end opening of fill under the gate to be located lower extreme open-ended rear side top under the gate, gate connect fill upper end opening with connect pipe fitting lower extreme opening fixed connection under the gate, gate lower extreme opening rear side of connecting the fill is equipped with articulated seat, flexible drive arrangement's lower extreme with articulated seat articulates.

Further, an upper opening square flange is fixed at the opening of the upper end of the gate lower connecting hopper, and a lower opening square flange is fixed at the opening of the lower end.

Further, the telescopic driving device is an air cylinder, the telescopic end of the upper portion of the telescopic driving device is provided with a U-shaped forked hinge lug, and one corner of the triangular transmission block protrudes outwards and is inserted into the hinge lug to be hinged with the hinge lug.

Further, the device also comprises a protective cover, wherein the protective cover covers the transmission turnover mechanism and is fixedly connected with the end face of one side where the broadside of the connecting pipe fitting is located.

Further, a side-by-side sealing lining plate is fixed at the center of the upper end of the connecting pipe fitting along the long side direction.

Further, the upper surface of the flap shaft is provided with a plurality of fixing screw holes along the length direction at intervals, a long side of the gate flap is provided with a plurality of mounting holes corresponding to the fixing screw holes one by one at intervals, and the gate flap is fixedly connected with the flap shaft through bolts connected with the fixing screw holes and the mounting holes.

Further, bearing seats are fixed at the two ends of the connecting pipe fitting, and the two ends of the turning plate shaft are rotatably connected with the connecting pipe fitting through bearings in the bearing seats.

In addition, the utility model also provides a scraper conveyor, which has the technical effects and advantages that compared with the prior art, the anti-blocking flap valve provided by the utility model is as follows:

after the anti-blocking flap valve is connected to the discharge hole of the shell of the scraper conveyor through the connecting pipe fitting, the gate flap and the transmission turnover mechanism are arranged at the upper end of the connecting pipe fitting, when one side of the telescopic driving device stretches, the gate flap can be driven to rotate to realize opening and closing through the transmission turnover mechanism, and when the oppositely arranged gate flap is closed, the gate flap valve is flush with the discharge hole at the bottom of the shell of the scraper conveyor, namely a hopper which is easy to accumulate materials is not formed after the flap valve at the discharge hole is closed, and the problems of blocking materials and mixing materials are avoided; the transmission turnover mechanism is unique in structure, and can realize the split or closing of the two gate turnover plates by driving a triangular transmission block and a corresponding connecting rod through the telescopic driving device, and the structure is simple and the installation is convenient.

Drawings

FIG. 1 is a front view of an anti-blocking flap valve provided by the utility model;

FIG. 2 is a left side view of the anti-jam flap valve of FIG. 1, wherein the drive flip mechanism within the shield is a cross-sectional view taken in rotational section along the section line indicated in FIG. 1;

FIG. 3 is a schematic view of the triangular drive block of FIG. 1;

FIG. 4 is a top view of one of the gate flaps of FIG. 2 in a closed position;

FIG. 5 is a top view of one of the flap shafts of FIG. 2;

FIG. 6 is a top view of the gate lower scoop;

fig. 7 is a bottom view of the connecting tube.

In the drawings, the list of components represented by the various numbers is as follows:

1. connecting the pipe fittings; 2. a gate turning plate; 3. a telescopic driving device; 4. a flap shaft; 5. a triangular transmission block; 6. a first link; 7. a second link; 8. a first fixing rod; 9. a second fixing rod; 10. a gate lower receiving bucket; 11. a hinge base; 12. an upper square flange; 13. a lower flange; 14. a protective cover; 15. sealing lining plates for side-by-side combination doors; 16. fixing the screw holes; 17. a mounting hole; 18. and a bearing seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, if terms indicating orientations such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are used, the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present utility model.

As shown in fig. 1 to 7, the utility model provides an anti-blocking flap valve, which is arranged at a discharge hole of a scraper conveyor shell and comprises a connecting pipe fitting 1, a gate flap 2, a transmission turnover mechanism and a telescopic driving device 3, wherein the upper end of the connecting pipe fitting 1 is connected with the discharge hole at the bottom of the scraper conveyor shell, a pair of gate flaps 2 are arranged at the position, close to the discharge hole, of the upper end of the connecting pipe fitting 1, one flap shaft 4 is fixedly connected to one side, far away from each other, of each gate flap 2, the two flap shafts 4 are symmetrically arranged at two sides of the upper end of the connecting pipe fitting 1 and are both in rotary connection with the connecting pipe fitting 1, the two flap shafts 4 are connected with the telescopic driving device 3 through the transmission turnover mechanism, and when the telescopic driving device 3 performs telescopic action, the two gate flaps 2 rotate around the central line of the flap shafts 4 so as to open or close the discharge hole.

It should be noted that the two gate turning plates are arranged in a split way, when the telescopic driving device retracts, the two gate turning plates synchronously turn downwards to open the discharge hole, and when the telescopic driving device extends back, the two gate turning plates synchronously turn upwards to close the discharge hole.

In one embodiment of the present utility model, as shown in fig. 1, 2 and 7, the connecting tube 1 is a tube with a rectangular cross section, the driving turnover mechanism is disposed on a side surface of one end where the wide side of the connecting tube 1 is located, and the two turnover shafts 4 are rotatably connected to two sides where the long side of the upper end of the connecting tube 1 is located.

The connecting pipe fitting is connected with the scraper conveyor shell and a gate lower receiving hopper described below through a square flange.

In one embodiment of the present utility model, as shown in fig. 1, 2 and 3, the transmission turnover mechanism includes a triangle transmission block 5, a first link 6 and a second link 7, the center of the triangle transmission block 5 is rotationally connected to a side surface of one end where the broadside of the connection pipe 1 is located through a rotation shaft, one corner of the triangle transmission block 5 is rotationally connected with one end of the first link 6, the other end of the first link 6 is rotationally connected with one end of the first fixed link 8, the other end of the first fixed link 8 is fixedly connected with one end of the turnover shaft 4, the other corner of the triangle transmission block 5 is rotationally connected with one end of the second link 7, the other end of the second link 7 is rotationally connected with one end of the second fixed link 9, the other end of the second fixed link 9 is fixedly connected with one end of the other turnover shaft 4, and the remaining corner of the triangle transmission block 5 is hinged with the telescopic end of the telescopic driving device 3 located at the upper part.

It will be understood that, as shown in fig. 1, when the telescopic driving device retracts, the triangular driving block is driven to rotate clockwise around the central rotating shaft, at this time, the first connecting rod is pushed obliquely left and upward, so that the lower end of the first fixing rod rotates obliquely left and upward around the central line of the turning shaft, and the turning shaft is driven to rotate clockwise around the central shaft of the turning shaft, so that the gate turning plate is turned down and turned clockwise to be opened, and similarly, the gate turning plate on the other side is driven to be turned down and turned open anticlockwise (in opposite directions) by the second connecting rod and the second fixing rod.

In one embodiment of the present utility model, the lower gate bucket comprises a lower gate bucket 10, the lower gate bucket 10 is thick and thin at the upper and lower ends, the upper end opening of the lower gate bucket 10 is located above the rear side of the lower end opening, the upper end opening of the lower gate bucket 10 is fixedly connected with the lower end opening of the connecting pipe fitting 1, a hinge seat 11 is arranged at the rear side of the lower end opening of the lower gate bucket 10, and the lower end of the telescopic driving device 3 is hinged with the hinge seat 11.

The gate lower hopper is used for guiding materials downwards to a designated position under the condition that the valve is opened.

As shown in fig. 6, an upper flange 12 is fixed at the upper opening of the gate lower receiver 10, and a lower flange 13 is fixed at the lower opening.

It is understood that the upper flange and the lower flange are respectively provided with a structure which is convenient for connecting the lower bucket of the gate, such as a connecting pipe fitting and a hoist bin below.

In one embodiment of the present utility model, the telescopic driving device 3 is a cylinder, the telescopic end of the upper part is provided with a U-shaped fork-shaped hinge lug, and one corner of the triangular transmission block 5 protrudes outwards and is inserted into the hinge lug to be hinged with the hinge lug.

It is understood that the telescopic driving device is not limited to be a cylinder, but may be a common telescopic device such as an electric cylinder, a hydraulic cylinder, and the like.

In one embodiment of the present utility model, as shown in fig. 1 and 2, the present utility model further includes a protection cover 14, where the protection cover 14 covers the transmission turnover mechanism, and the protection cover 14 is fixedly connected with an end surface of a side where the wide edge of the connecting pipe 1 is located.

In one embodiment of the present utility model, as shown in fig. 1 and 7, a side-by-side sealing liner 15 is fixed at the center of the upper end of the connecting pipe 1 along the longitudinal direction.

It is to be noted that, when two gate turns over the discharge gate that the limit shutoff scraper conveyor upwards overturns, two gate turns over one side that the pivot was kept away from and all compresses tightly in on the sealed welt of folio gate, guarantee that the discharge gate obtains better sealedly, avoid leaking the material. The cross section of the side-by-side combination door sealing lining board is T-shaped.

In one embodiment of the present utility model, as shown in fig. 4 and 5, a plurality of fixing screw holes 16 are provided on the upper surface of the flap shaft 4 at intervals along the length direction, a plurality of mounting holes 17 corresponding to the fixing screw holes 16 one by one are provided on one long side of the gate flap 2 at intervals, and the gate flap 2 and the flap shaft 4 are fixedly connected by bolts connected to the fixing screw holes 16 and the mounting holes 17.

It will be appreciated that the manner of fixing the flip shaft to the gate flap is not limited to the above-described connection structure, but may be welding, bonding, clamping or other fixing means.

In one embodiment of the present utility model, as shown in fig. 1, bearing seats 18 are fixed at two ends of the connecting pipe fitting 1, and two ends of the flap shaft 4 are rotatably connected with the connecting pipe fitting 1 through bearings in the bearing seats 18.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an anti-blocking flap valve, locates the discharge gate department of scraper conveyor casing, its characterized in that, including connecting pipe fitting (1), gate turn over board (2), transmission tilting mechanism and flexible drive arrangement (3), connect pipe fitting (1) upper end and the discharge gate of scraper conveyor casing bottom to be connected, the upper end of connecting pipe fitting (1) is pressed close to discharge gate department is equipped with a pair of gate turn over board (2), two gate turn over board (2) each fixedly connected with of one side that keeps away from each other turns over board axle (4), two turn over board axle (4) symmetry set up in connect the both sides of pipe fitting (1) upper end and all with connect pipe fitting (1) rotation connection, two turn over board axle (4) through transmission tilting mechanism with flexible drive arrangement (3) are connected, two when flexible drive arrangement (3) flexible action, gate (2) are in turn over board axle (4) and are driven down around the central line of turning over board axle (4) rotates in order to open or close the discharge gate.

2. The anti-blocking flap valve according to claim 1, wherein the connecting pipe fitting (1) is a pipe fitting with a rectangular cross section, the transmission turnover mechanism is arranged on one side surface of the wide side of the connecting pipe fitting (1), and the two flap shafts (4) are rotatably connected to two sides of the long side of the upper end of the connecting pipe fitting (1).

3. The anti-blocking flap valve according to claim 2, wherein the transmission turnover mechanism comprises a triangular transmission block (5), a first connecting rod (6) and a second connecting rod (7), the center of the triangular transmission block (5) is rotationally connected to the side surface of one end where the broadside of the connecting pipe fitting (1) is located through a rotating shaft, one corner of the triangular transmission block (5) is rotationally connected with one end of the first connecting rod (6), the other end of the first connecting rod (6) is rotationally connected with one end of a first fixing rod (8), the other end of the first fixing rod (8) is fixedly connected with one end of a flap shaft (4), the other corner of the triangular transmission block (5) is rotationally connected with one end of the second connecting rod (7), the other end of the second connecting rod (7) is rotationally connected with one end of the second fixing rod (9), the other end of the second fixing rod (9) is fixedly connected with one end of the other flap shaft (4), and the other corner of the triangular transmission block (5) is rotationally connected with one end of the telescopic driving device (3) at the telescopic hinged end of the upper part.

4. The anti-blocking flap valve according to claim 3, further comprising a gate lower receiving hopper (10), wherein the gate lower receiving hopper (10) is thick and thin at the upper end and the lower end, the upper end opening of the gate lower receiving hopper (10) is located above the rear side of the lower end opening, the upper end opening of the gate lower receiving hopper (10) is fixedly connected with the lower end opening of the connecting pipe fitting (1), a hinge seat (11) is arranged at the rear side of the lower end opening of the gate lower receiving hopper (10), and the lower end of the telescopic driving device (3) is hinged with the hinge seat (11).

5. The anti-blocking flap valve according to claim 4, wherein an upper opening flange (12) is fixed at an upper end opening of the gate lower connecting bucket (10), and a lower opening flange (13) is fixed at a lower end opening.

6. A blocking-preventing flap valve according to claim 3, characterized in that the telescopic driving device (3) is a cylinder, the telescopic end of the upper part is provided with a U-shaped fork-shaped hinge lug, and one corner of the triangular transmission block (5) protrudes outwards and is inserted into the hinge lug to be hinged with the hinge lug.

7. The anti-blocking flap valve according to claim 2, further comprising a protective cover (14), wherein the protective cover (14) covers the transmission turnover mechanism and is fixedly connected with the end face of one side where the broadside of the connecting pipe fitting (1) is located.

8. An anti-blocking flap valve according to claim 2, characterized in that a side-by-side sealing liner (15) is fixed in the center of the upper end of the connecting pipe (1) along the long side direction.

9. The anti-blocking flap valve according to any one of claims 1 to 8, wherein a plurality of fixing screw holes (16) are formed in the upper surface of the flap shaft (4) at intervals along the length direction, a plurality of mounting holes (17) corresponding to the fixing screw holes (16) one by one are formed in the long side of the gate flap (2) at intervals, the gate flap (2) and the flap shaft (4) are fixedly connected through bolts connected to the fixing screw holes (16) and the mounting holes (17), bearing seats (18) are fixed at two ends of the connecting pipe fitting (1), and two ends of the flap shaft (4) are rotatably connected with the connecting pipe fitting (1) through bearings in the bearing seats (18).

10. A scraper conveyor having an anti-jam flap valve according to any one of claims 1 to 9.