CN215853381U

CN215853381U - Chain device that wafts is prevented to scraper conveyor for coal mine

Info

Publication number: CN215853381U
Application number: CN202122484057.1U
Authority: CN
Inventors: 王建芳; 王智; 王立学
Original assignee: Erdos Taili Machinery Manufacturing Co ltd
Current assignee: Erdos Taili Machinery Manufacturing Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-02-18
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to the technical field of scraper conveyors, in particular to a chain-floating prevention device of a scraper conveyor for a coal mine, which comprises a bottom plate, a gear, a chain assembly, a scraper and a bidirectional screw rod, wherein the bottom plate is provided with a plurality of chain grooves; two side plates are symmetrically arranged on the bottom plate, and motors are arranged on the side plates; the gear is rotationally arranged on the side plates, the output end of the motor is connected with the gear, and the chain assembly is arranged between the side plates on the two sides; the end, far away from each other, of each rotating shaft on the two sides is provided with a roller, the roller is inserted into the sliding groove A, and the end, close to each other, of each rotating shaft on the two sides is provided with a mounting plate; the scraping plates are arranged between the mounting plates at the two sides, the scraping plates are symmetrically and slidably provided with sliding blocks, and the sliding blocks are provided with fixing plates; the bidirectional screw rod is arranged in the scraper plate, and the sliding blocks on the two sides are respectively in threaded connection with the two ends of the bidirectional screw rod; the bidirectional screw rod is provided with a bevel gear A, the scraper is internally and rotatably provided with a bevel gear B, the bevel gear A is vertically meshed with the bevel gear B, and the bevel gear B is provided with a knob. The utility model has simple assembly, disassembly and adjustment and effectively prevents drift chain.

Description

Chain device that wafts is prevented to scraper conveyor for coal mine

Technical Field

The utility model relates to the technical field of scraper conveyors, in particular to a chain floating prevention device of a scraper conveyor for a coal mine.

Background

The scraper conveyor is a conveyor which is dragged by a scraper chain and conveys bulk materials in a groove, and is called a scraper conveyor. The KS scraper conveyor is a bendable scraper conveyor, and adjacent middle grooves of the KS scraper conveyor can be bent in a limited degree in the horizontal plane and the vertical plane. The working face conveyor with the machine body arranged at the intersection of the working face and the haulage roadway in a 90-degree bending mode is called a corner scraper conveyor. In the current coal mining face, the scraper conveyor not only serves to convey coal and materials, but also serves as a running track of a coal mining machine, so that the scraper conveyor becomes an indispensable main device in the modern coal mining process.

In current scraper conveyor operation in-process, because the coal gangue difference in size, the scraper blade can be different at the in-process atress that drives the coal gangue raw materials and remove, its both sides are not hard up with the junction of chain easily after the long-time operation of scraper blade to scraper blade itself is also easily by massive coal gangue extrusion deformation, and in case the scraper blade warp will lead to the chain to receive it to drag, thereby lead to the drift chain, if the drift chain does not solve, can lead to the chain fracture, coal mining operation stops.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the background art, the utility model provides the chain drifting prevention device of the scraper conveyor for the coal mine, the scraper is convenient to mount and dismount, the operation is simple when the chains on two sides are adjusted, and meanwhile, the chain drifting prevention device is high in structural stability and can effectively prevent chain drifting.

The technical scheme of the utility model is as follows: a chain floating prevention device of a scraper conveyor for a coal mine comprises a bottom plate, a gear, a chain assembly, a scraper and a bidirectional screw rod;

two side plates are symmetrically arranged on the bottom plate, a motor is arranged on each side plate, and a sliding groove A is arranged on one side of each side plate, which is close to each other; the gear is rotationally arranged on the side plate, the gears on the two sides are respectively positioned on the surfaces, close to each other, of the two side plates, and the output end of the motor is connected with the gear; the chain components are arranged between the side plates at the two sides, and the two groups of gears are respectively in transmission connection through one group of chain components; the output end of the motor is provided with a connecting shaft which is connected with a corresponding gear on the other side plate;

the chain assembly comprises connecting pieces and a rotating shaft, and two adjacent connecting pieces are connected through the rotating shaft; the end, far away from each other, of each rotating shaft on the two sides is provided with a roller, the rollers are respectively inserted into the sliding chutes A of the corresponding side plates and are in rolling connection with the sliding chutes A, and the end, close to each other, of each rotating shaft on the two sides is provided with a mounting plate;

the scraper is arranged between the mounting plates on the two sides, the two sliding chutes B are symmetrically arranged on the scraper, sliding blocks are arranged in the sliding chutes B in a sliding manner, one ends, far away from each other, of the sliding blocks are provided with fixing plates, and the fixing plates are detachably connected with the corresponding mounting plates respectively; the bidirectional screw rod is arranged in the scraper, a sliding rod is also arranged in the scraper, the sliding blocks on the two sides are respectively in threaded connection with the two ends of the bidirectional screw rod, and the sliding blocks on the two sides are both in sliding connection with the sliding rod; the bidirectional screw rod is provided with a bevel gear A, the scraper is internally and rotatably provided with a bevel gear B, the bevel gear A is vertically meshed with the bevel gear B, and the bevel gear B is provided with a knob.

Preferably, the bottom of the bottom plate is provided with a plurality of supporting legs, and the bottom surfaces of the supporting legs are all on the same horizontal plane.

Preferably, the inside of supporting legs sets up the pneumatic cylinder, and the inside of supporting legs sets up the universal wheel, and the output and the universal wheel of pneumatic cylinder are connected, set up the auto-lock subassembly on the universal wheel.

Preferably, both ends of the bottom plate are respectively provided with a feeding hole and a discharging hole.

Preferably, the scraper is provided with a tooth groove, and the tooth groove of the tooth groove is in a vertical strip shape; the outer edge of the knob is provided with strip-shaped insections which are in sliding fit with tooth sockets of the insection grooves.

Preferably, a fastening bolt and a nut are further included; the mounting plate is provided with bolt holes, the fixing plate is also provided with bolt holes, and the fastening bolts sequentially penetrate through the bolt holes in the mounting plate and the fixing plate and are fixedly connected through nuts.

Preferably, the motor further comprises a speed reducer, an output end of the motor is connected with an input end of the speed reducer, and an output end of the speed reducer is connected with an end of a gear shaft of the gear.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

by arranging the sliding groove A, a rotating shaft in the chain assembly is inserted into the sliding groove A, and the roller on the rotating shaft simultaneously extends into the sliding groove A, so that the roller rolls in the sliding groove A, the chain is effectively supported, the transmission track of the chain is effectively limited, and the chain is prevented from swaying to cause chain floating; through the structure of the bidirectional screw rod and the sliding blocks, the sliding blocks on the two sides are driven by the bidirectional screw rod to synchronously and reversely move, so that the sliding blocks on the two sides can simultaneously extrude or pull the mounting plates on the two sides, the shape of the chain assembly is conveniently adjusted, and the transmission of the chain assembly is more stable; the purpose of synchronous movement of the sliding blocks on the two sides can be realized by arranging the structure of the knob and the two bevel gears which are meshed with each other, and meanwhile, the utility model has high structural stability, is very practical and is suitable for popularization.

Drawings

Fig. 1 is a schematic structural diagram of a chain drift prevention device of a scraper conveyor for a coal mine.

Fig. 2 is a connecting structure diagram of a side plate and a gear in the anti-drift chain device of the scraper conveyor for coal mines, which is provided by the utility model.

Fig. 3 is a partially enlarged view of a chain component in the chain drift prevention device of the scraper conveyor for coal mines, which is provided by the utility model.

Fig. 4 is a structural diagram of a scraper in the chain floating prevention device of the scraper conveyor for the coal mine.

Reference numerals: 1. a base plate; 2. a side plate; 3. supporting legs; 4. a motor; 5. a gear; 6. a connecting shaft; 7. a chain assembly; 701. a connecting member; 702. a rotating shaft; 8. a chute A; 9. a roller; 10. mounting a plate; 11. a squeegee; 12. a chute B; 13. a slider; 14. a fixing plate; 15. a bidirectional screw rod; 16. a slide bar; 17. a bevel gear A; 18. a bevel gear B; 19. a knob; 20. a gear groove.

Detailed Description

Example one

As shown in fig. 1-4, the anti-drift chain device of the scraper conveyor for coal mines, which is provided by the utility model, comprises a bottom plate 1, a gear 5, a chain assembly 7, a scraper 11 and a bidirectional screw rod 15;

two side plates 2 are symmetrically arranged on the bottom plate 1, the motor 4 is arranged on the side plates 2, and a sliding groove A8 is arranged on one side of the side plates 2 close to each other; the gear 5 is rotationally arranged on the side plate 2, the gears 5 on the two sides are respectively positioned on the surfaces, close to each other, of the two side plates 2, and the output end of the motor 4 is connected with the gear 5; the chain components 7 are arranged between the side plates 2 at the two sides, and the two groups of gears 5 are respectively in transmission connection through one group of chain components 7; the output end of the motor 4 is provided with a connecting shaft 6, and the connecting shaft 6 is connected with the corresponding gear 5 on the other side plate;

the chain assembly 7 comprises connecting pieces 701 and a rotating shaft 702, wherein two adjacent connecting pieces 701 are connected through the rotating shaft 702; the end, far away from each other, of the rotating shafts 702 on the two sides is provided with a roller 9, the rollers 9 are respectively inserted into the sliding grooves A8 of the corresponding side plates 2 and are in rolling connection with the sliding grooves A8, and the end, near to each other, of the rotating shafts 702 on the two sides is provided with a mounting plate 10;

the scraper 11 is arranged between the mounting plates 10 on the two sides, the scraper 11 is symmetrically provided with two sliding grooves B12, the sliding groove B12 is internally provided with a sliding block 13 in a sliding way, and the ends, far away from each other, of the sliding blocks 13 are respectively detachably connected with the corresponding mounting plates 10; the bidirectional screw rod 15 is arranged in the scraper 11, a slide rod 16 is also arranged in the scraper 11, fixing plates 14 are arranged on the slide blocks 13 on the two sides, the fixing plates 14 on the two sides are respectively in threaded connection with the two ends of the bidirectional screw rod 15, and the slide blocks 13 on the two sides are in sliding connection with the slide rod 16; a bevel gear A17 is arranged on the bidirectional screw rod 15, a bevel gear B18 is rotationally arranged in the scraper 11, the bevel gear A17 is vertically meshed with the bevel gear B18, and a knob 19 is arranged on the bevel gear B18; the device also comprises a fastening bolt and a nut; the mounting plate 10 is provided with bolt holes, the fixing plate 14 is also provided with bolt holes, and fastening bolts sequentially penetrate through the bolt holes in the mounting plate 10 and the fixing plate 14 and are fixedly connected through nuts.

According to the utility model, after the equipment is installed, the material falls on the bottom plate 1 and is positioned between the two side plates 2, the motor 4 is started, the motor 4 rotates to drive the gear 5 to rotate, the gear 5 rotates to drive the chain assembly 7 to transmit, the chain assembly 7 drives the scraper 11 to move, and the scraper 11 drives the coal mine gangue on the bottom plate 1 to a specified position; in the transmission process, once a certain scraper 11 is found to be in a shaking state, the equipment is immediately paused, the knob 19 on the scraper 11 is rotated, the knob 19 rotates to drive the bevel gear A17 and the bevel gear B18 to rotate, so that the bidirectional screw rod 15 rotates, the bidirectional screw rod 15 rotates to drive the two side sliders 13 to move in opposite directions, so that the fixing plate 14 extrudes the mounting plates 10 on two sides, and as the mounting plates 10 are fixed on the rotating shaft 702, at the moment, the rotating shaft 702 slides into the sliding groove A8 and tightly abuts against the inner wall of the sliding groove A8, the scraper 11 returns to a tightening state, and therefore, the flying chain is effectively inhibited.

Example two

As shown in fig. 1, compared with the first embodiment, the chain drifting prevention device for the scraper conveyor for the coal mine, provided by the utility model, has the advantages that the bottom of the bottom plate 1 is provided with a plurality of supporting feet 3, and the bottom surfaces of the supporting feet 3 are all on the same horizontal plane; the inside of supporting legs 3 sets up the pneumatic cylinder, and the inside of supporting legs 3 sets up the universal wheel, and the output and the universal wheel of pneumatic cylinder are connected, set up the auto-lock subassembly on the universal wheel.

In this embodiment, the pneumatic cylinder stretches out, releases the universal wheel downwards, and the universal wheel can remove this device after falling to the ground, if need stop the mobile device temporarily, only need put down the auto-lock subassembly can, if park for a long time, then start the pneumatic cylinder and contract and withdraw in supporting legs 3 with the universal wheel.

EXAMPLE III

As shown in fig. 4, compared with the first embodiment, the scraper 11 of the anti-drift chain device of the scraper conveyor for coal mines provided by the present invention is provided with the insection grooves 20, and the tooth sockets of the insection grooves 20 are vertical strips; the outer edge of the knob 19 is provided with a strip-shaped insection which is in sliding fit with the tooth socket of the insection groove 20.

In this embodiment, the knob 19 is pulled to separate the rack outside the knob 19 from the spline groove 20, and at this time, the bevel gear B18 can be rotated, and when the rack of the knob 19 is pressed into the spline groove 20, the bevel gear B18 will not rotate.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A chain floating prevention device of a scraper conveyor for a coal mine is characterized by comprising a bottom plate (1), a gear (5), a chain assembly (7), a scraper (11) and a bidirectional screw rod (15);

two side plates (2) are symmetrically arranged on the bottom plate (1), the motor (4) is arranged on the side plates (2), and a sliding groove A (8) is arranged on one side of the side plates (2) close to each other; the gear (5) is rotatably arranged on the side plate (2), the gears (5) on the two sides are respectively positioned on the surfaces, close to each other, of the two side plates (2), and the output end of the motor (4) is connected with the gear (5); the chain components (7) are arranged between the side plates (2) at the two sides, and the two groups of gears (5) are in transmission connection through one group of chain components (7) respectively; the output end of the motor (4) is provided with a connecting shaft (6), and the connecting shaft (6) is connected with a corresponding gear (5) on the other side plate;

the chain assembly (7) comprises connecting pieces (701) and rotating shafts (702), and two adjacent connecting pieces (701) are connected through the rotating shafts (702); the end, far away from each other, of each rotating shaft (702) on the two sides is provided with a roller (9), each roller (9) is inserted into the corresponding sliding groove A (8) of the side plate (2) and is in rolling connection with the sliding groove A (8), and the end, close to each other, of each rotating shaft (702) on the two sides is provided with a mounting plate (10);

the scraper (11) is arranged between the mounting plates (10) at the two sides, the scraper (11) is symmetrically provided with two sliding chutes (B) (12), the sliding chutes (B) (12) are internally provided with sliding blocks (13) in a sliding manner, one ends of the sliding blocks (13) which are far away from each other are provided with fixing plates (14), and the fixing plates (14) at the two sides are respectively detachably connected with the corresponding mounting plates (10); the bidirectional screw rod (15) is arranged in the scraper (11), a sliding rod (16) is further arranged in the scraper (11), the sliding blocks (13) on the two sides are respectively in threaded connection with the two ends of the bidirectional screw rod (15), and the sliding blocks (13) on the two sides are both in sliding connection with the sliding rod (16); a bevel gear A (17) is arranged on the bidirectional screw rod (15), a bevel gear B (18) is rotationally arranged in the scraper (11), the bevel gear A (17) is vertically meshed with the bevel gear B (18), and a knob (19) is arranged on the bevel gear B (18).

2. The coal mine scraper conveyor anti-drift chain device as claimed in claim 1, wherein the bottom of the bottom plate (1) is provided with a plurality of supporting feet (3), and the bottom surfaces of the supporting feet (3) are all on the same horizontal plane.

3. The coal mine scraper conveyor anti-drift chain device according to claim 2, characterized in that a hydraulic cylinder is arranged inside the supporting foot (3), a universal wheel is arranged inside the supporting foot (3), the output end of the hydraulic cylinder is connected with the universal wheel, and a self-locking assembly is arranged on the universal wheel.

4. The coal mine scraper conveyor anti-drift chain device as claimed in claim 1, wherein the two ends of the bottom plate (1) are respectively provided with a feeding port and a discharging port.

5. The coal mine scraper conveyor anti-drift chain device according to claim 1, characterized in that the scraper (11) is provided with a tooth pattern groove (20), and the tooth grooves of the tooth pattern groove (20) are vertical strips; the outer edge of the knob (19) is provided with strip-shaped insections which are in sliding fit with tooth grooves of the insection grooves (20).

6. The anti-drift chain device of the scraper conveyor for the coal mine according to claim 1, wherein the anti-drift chain device further comprises a fastening bolt and a nut; the mounting plate (10) is provided with bolt holes, the fixing plate (14) is also provided with bolt holes, and the fastening bolts sequentially penetrate through the bolt holes in the mounting plate (10) and the fixing plate (14) and are fixedly connected through nuts.

7. The coal mine scraper conveyor anti-drift chain device according to claim 1, further comprising a speed reducer, wherein an output end of the motor (4) is connected with an input end of the speed reducer, and an output end of the speed reducer is connected with a gear shaft end of the gear (5).