CN213540394U

CN213540394U - Drop shaft is with preventing weighing down antiskid

Info

Publication number: CN213540394U
Application number: CN202022299936.2U
Authority: CN
Inventors: 畅文奎; 朱保国; 孙宏恩; 胡天辉; 宋志鹏; 杨小军; 田茂青
Original assignee: Tianjin Mining Engineering Co ltd
Current assignee: Tianjin Mining Engineering Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-25
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to a drop shaft is with preventing weighing down antiskid belongs to drop shaft protection technical field, and it is provided with two including being used for covering the apron in drop shaft port department, and the mutual butt of lateral wall of two relative one sides of apron, and two apron are along the direction that deviates from each other and ground horizontal slip, and one side of apron is provided with and is used for promoting the subassembly that promotes of apron horizontal slip and is used for the piece that resets with two apron. This application has the effect that reaches and makes things convenient for the staff to incline down the mineral aggregate in to the drop shaft.

Description

Drop shaft is with preventing weighing down antiskid

Technical Field

The application relates to the field of drop shaft protection, in particular to a drop shaft anti-falling anti-skidding device.

Background

The drop shaft is a throat for storing ores and carrying the ores in the underground mining of a metal mine, but if an anti-falling and anti-skidding device is not additionally arranged at the port of the drop shaft, the potential safety hazard that workers fall into the well exists.

At present, a protective guard is often added on one side of a chute mouth, or a protective net is added above the chute mouth, and when a worker drives a mine car to dump mineral materials into the chute, the protective guard or the protective net needs to be manually opened.

In view of the above-mentioned related technologies, the inventor believes that the worker in the above-mentioned fall preventing device needs to manually open and close each time the worker pours the mineral aggregate into the chute, and is very inconvenient in use.

SUMMERY OF THE UTILITY MODEL

In order to reach the effect of making things convenient for the staff to incline down the mineral aggregate in to the drop shaft, this application provides a drop shaft is with preventing weighing down antiskid.

The application provides a drop shaft is with preventing weighing down antiskid adopts following technical scheme:

the utility model provides a drop shaft is with preventing weighing down antiskid, is including being used for covering the apron in drop shaft port department, and the apron is provided with two, and the mutual butt of lateral wall of two relative one sides of apron, and two apron slide with ground level along the direction that deviates from each other, and one side of apron is provided with and is used for promoting the subassembly that promotes that apron horizontal slip promotes and is used for two apron piece that reset.

Through adopting above-mentioned technical scheme, when the staff drives the mine car and emptys the mineral aggregate in to the drop shaft, be close to the drop shaft gradually with the mode of backing a car, when the rear wheel of mine car and promotion subassembly contact, the mine car drives the promotion subassembly and removes, the promotion subassembly drives the direction removal that the apron deviates from each other again, thereby make the apron automatic opening, the staff can be to the interior mineral aggregate that emptys of drop shaft, when the mine car leaves, the piece that resets will promote the subassembly and resume to initial position, two apron remove and mutual butt are closed the port department of drop shaft in opposite directions simultaneously, thereby both reached good anti-falling anti-skidding effect to the drop shaft through above-mentioned structure, it provides convenience also to the interior mineral aggregate that emptys of drop shaft for the staff simultaneously.

Optionally, the promotion subassembly includes push jack, connecting rod and push rod, and the one side that the push jack is close to the apron and the one end fixed connection of connecting rod, and the other end of connecting rod and the one end of push rod are articulated, and the other end and the apron lateral wall of push rod are articulated, and the push jack is along horizontal sliding connection with ground, and the slip direction of push jack is perpendicular with the slip direction of apron, is provided with the slide in the one side that deviates from the promotion subassembly along the slip direction of apron, and the apron deviates from one side and the slide sliding connection of promotion subassembly.

Through adopting above-mentioned technical scheme, after the rear wheel of mine car and kicking piece contact, the mine car continues to back a car to the direction that is close to the drop shaft, and the kicking piece slides to drop shaft port department level gradually under the effect of mine car, and the kicking piece is driving the connecting rod again and is moving to the drop shaft, and the connecting rod is driving the push rod again and is moving, and the push rod is pushing the apron level open to the automatic effect of opening of apron has been realized.

Optionally, a sliding block is fixedly arranged at the bottom of the push piece, a sliding rail is pre-embedded in the ground along the sliding direction of the push piece, the sliding block is located in the sliding rail, and the sliding block is connected with the sliding rail in a sliding manner along the moving direction of the push piece.

Through adopting above-mentioned technical scheme, the slider slides for the moving direction guide and the restriction effect of kicking one in the slide, makes the kicking one can be along accurate direction to the port level slip of drop shaft.

Optionally, the reset piece is a spring, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the inner wall of the slide way close to one end of the cover plate.

Through adopting above-mentioned technical scheme, when the mine car promoted the jack-dog to slide to the drop shaft, make the spring be in compression state, when the drop shaft was kept away from to the mine car, spring release elasticity made the slider remove to the direction of drop shaft back of the body, made the slider drive the jack-dog to remove to the direction of keeping away from the drop shaft simultaneously and until recovering to initial position, the jack-dog drives connecting rod, push rod and apron in proper order again and all gets back to initial position.

Optionally, the bottom of the sliding block is rotatably connected with a roller, and the roller is in rolling connection with the inner bottom wall of the sliding rail.

Through adopting above-mentioned technical scheme, the frictional force when gyro wheel slides in order to reduce slider and slide rail improves the gliding stationarity of slider in the slide rail.

Optionally, one end of the sliding rail, which is close to the cover plate, is fixedly provided with a guide sleeve, the guide sleeve is positioned on the ground, and the connecting rod penetrates through the guide sleeve.

Through adopting above-mentioned technical scheme, the uide bushing has played direction and restriction effect for the moving direction of connecting rod, makes the connecting rod can be along accurate direction horizontal slip.

Optionally, the slide rail is fixedly provided with a limiting plate, the limiting plate is located on the ground, and when the push sheet abuts against the limiting plate, the cover plate completely moves away from the port of the chute.

Through adopting above-mentioned technical scheme, when the kicking piece removed limiting plate and limiting plate butt, the kicking piece then can't continue to slide, plays the suggestion effect for the staff simultaneously, prevents that the position that the staff backed a car from being too close to the drop shaft and taking place the incident.

Optionally, one side of the push sheet, which faces away from the cover plate, is arc-shaped.

Through adopting above-mentioned technical scheme, improve the laminating effect of push jack and mine car rear wheel, make the mine car drive more steady that the push jack removed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the mine car is reversed towards the chute, the mine car is abutted against the push sheet and drives the push sheet to gradually move towards the chute, the push sheet drives the connecting rod to move, the connecting rod drives the push rod to move, and the push rod pushes the two cover plates away towards the directions deviating from each other, so that the effect of automatically opening the cover plates is realized;

2. when the mine car is far away from the chute, the spring drives the sliding block to reset, the sliding block drives the push sheet to reset, and the push sheet sequentially drives the connecting rod, the push rod and the cover plate to reset, so that the effect of automatically closing the cover plate is realized.

Drawings

FIG. 1 is a schematic structural view of the anti-falling antiskid device for the orepass in the closing process;

FIG. 2 is a schematic structural view of the anti-falling antiskid device for the orepass according to the application when the anti-falling antiskid device is opened;

FIG. 3 is a schematic structural diagram of a pushing assembly;

fig. 4 is a side sectional view showing the internal structure of the slide rail.

Description of reference numerals: 1. a cover plate; 2. a pushing assembly; 21. pushing the sheet; 22. a connecting rod; 221. a guide sleeve; 23. a push rod; 3. a slideway; 4. a slider; 5. a slide rail; 6. a roller; 7. a spring; 8. a limiting plate; 9. and (4) a drop shaft.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses drop shaft is with preventing weighing down antiskid.

Referring to fig. 1 and 2, the anti-falling and anti-skid device for the orepass comprises two cover plates 1 covering ports of an orepass 9, wherein the two cover plates 1 are connected with the ground in a sliding mode along the horizontal direction, one opposite sides of the cover plates 1 are mutually abutted, and one side of each cover plate 1 is provided with a pushing assembly 2 used for moving the two cover plates 1 along the mutually departing direction and a resetting piece used for resetting the two cover plates 1. When the mine car gradually approaches the chute 9 in a reversing mode, the mine car drives the two cover plates 1 to move towards the directions deviating from each other through the pushing assembly 2, so that the cover plates 1 are automatically opened, and a worker operates the mine car to guide mineral materials into the chute 9; when the mine car is far away from the chute 9, the reset piece drives the pushing assembly 2 and the cover plate 1 to be restored to the original state, so that the cover plate 1 automatically closes the port of the chute 9 to achieve the effects of preventing falling and skidding. Through the structure, the cover plate 1 does not need to be manually opened or closed by workers, so that a good anti-falling and anti-skidding effect is guaranteed to be provided for the chute 9, and meanwhile, convenience is provided for the workers to pour mineral aggregates into the chute 9.

Referring to fig. 2 and 3, the pushing assemblies 2 are provided with two groups, each group of pushing assemblies 2 comprises a pushing sheet 21, a connecting rod 22 and a pushing rod 23, the pushing sheets 21 are located on the ground, the distance between the two pushing sheets 21 is equal to the distance between rear wheels of a mine car, the pushing sheets 21 are connected with the ground in a sliding mode along the horizontal direction, the sliding direction of the pushing sheets 21 is perpendicular to the sliding direction of the cover plate 1, one side, deviating from the cover plate 1, of the pushing sheets 21 is arc-shaped, so that the attaching effect between the pushing sheets 21 and the rear wheels of the mine car is improved, one side, close to the cover plate 1, of the pushing sheets 21 is welded and fixed with one end of the connecting rods 22, the connecting rods 22 horizontally move along the direction towards the cover plate 1, the other end of the connecting rods 22 is hinged to. One side of the cover plate 1 departing from the pushing assembly 2 is provided with a slide way 3 along the moving direction of the cover plate 1, the slide way 3 is fixed with the ground, and one side of the cover plate 1 departing from the pushing assembly 2 is positioned in the slide way 3 and is in sliding connection with the slide way 3. After the rear wheel of mine car and push jack 21 butt, the mine car continues to be close to the drop shaft 9 to driving push jack 21 to slide towards drop shaft 9 gradually, push jack 21 is driving connecting rod 22 again and is moving towards drop shaft 9, connecting rod 22 is driving push rod 23 again and is moving, push rod 23 is driving apron 1 and is moving towards the direction that deviates from each other, and then has realized the automatic effect of opening of apron 1.

Referring to fig. 3 and 4, a sliding block 4 is fixedly welded to the bottom of the push piece 21, a sliding rail 5 is arranged under the connecting rod 22 along the moving direction of the push piece 21, the sliding rail 5 is embedded in the ground, the sliding block 4 is located in the sliding rail 5 and is connected with the sliding rail 5 in a sliding manner along the length direction of the sliding rail 5, the bottom of the sliding block 4 is rotatably connected with a roller 6, the roller 6 is connected with the sliding rail 5 in a rolling manner along the length direction of the sliding rail 5, a guide sleeve 221 is fixedly welded to the upper surface of one end, close to the cover plate 1, of the sliding rail 5, the guide sleeve 221 is located on the ground, and the connecting rod 22. When the pushing piece 21 slides towards the cover plate 1, the sliding block 4 moves along the length direction of the sliding rail 5 through the roller 6, so that a good guiding effect is achieved for the moving direction of the pushing piece 21, the pushing piece 21 can approach the cover plate 1 along the accurate direction, the guide sleeve 221 plays a guiding effect for the moving direction of the connecting rod 22, and the connecting rod 22 can approach the cover plate 1 along the accurate direction.

Referring to fig. 3 and 4, the reset element is a spring 7, the spring 7 is located in the slide rail 5, one end of the spring 7 is welded and fixed with the slide block 4, and the other end of the spring 7 is welded and fixed with the inner wall of one end of the slide rail 5 close to the cover plate 1. When the push sheet 21 moves towards the cover plate 1, the push sheet 21 drives the sliding block 4 to move towards the cover plate 1, meanwhile, the spring 7 is in a compression state, when the mine car is far away from the chute 9, the spring 7 releases elasticity to eject the sliding block 4 in a direction back to the chute 9, the sliding block 4 drives the push sheet 21 to reset, and the push sheet 21 drives the connecting rod 22, the push rod 23 and the cover plate 1 to reset, so that the cover plate 1 automatically restores to a closing state, and the effect of preventing falling and skid is achieved for the chute 9.

Referring to fig. 1 and 2, a limiting plate 8 is fixedly welded on the upper surface of the slide rail 5, the limiting plate is positioned on the ground, when the push sheet 21 abuts against the limiting plate 8, the two cover plates 1 are completely removed from the port of the chute 9, and meanwhile, the mine car is positioned at a position where mineral materials can be poured into the chute 9. Through above structure, limiting plate 8 has played the restriction to the mobilizable position of kicking piece 21, when the kicking piece 21 removed to the butt with limiting plate 8, then can't continue to remove, and the mine car stops to continue to be close to drop shaft 9 simultaneously to reduce with the mine car too close to drop shaft 9 and the incident takes place.

The implementation principle of the anti-falling anti-skid device for the drop shaft in the embodiment of the application is as follows: when mineral aggregate needs to be poured into the chute 9, the mine car gradually approaches the chute 9 in a reversing mode, the push sheet 21 is driven to move towards the chute 9, the connecting rod 22 is driven by the push sheet 21 to move towards the chute 9, the connecting rod 22 drives the push rod 23 to move, and the push rod 23 drives the cover plate 1 to move towards the direction deviating from each other, so that the cover plate 1 is automatically opened. When the mine car is far away from the chute 9, the spring 7 drives the pushing assembly 2 to reset, and simultaneously, the two cover plates 1 are close to each other and automatically closed, so that the effects of preventing falling and preventing skidding are achieved for the chute 9. Through the structure, the cover plate 1 can be automatically opened and closed, and convenience is provided for workers to pour mineral aggregates into the chute 9.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a drop shaft is with preventing weighing down antiskid which characterized in that: including being used for covering apron (1) in drop shaft (9) port department, apron (1) is provided with two, and the mutual butt of lateral wall of two apron (1) relative one sides, and two apron (1) are along the direction that deviates from each other and ground horizontal slip, and one side of apron (1) is provided with and is used for promoting apron (1) horizontal slip's promotion subassembly (2) and is used for the piece that resets two apron (1).

2. The anti-falling and anti-skid device for the orepass according to claim 1, which is characterized in that: promote subassembly (2) including push jack (21), connecting rod (22) and push rod (23), one side that push jack (21) is close to apron (1) and the one end fixed connection of connecting rod (22), the other end of connecting rod (22) and the one end of push rod (23) are articulated, the other end and apron (1) lateral wall of push rod (23) are articulated, push jack (21) and ground are along horizontal sliding connection, and the slip direction of push jack (21) is perpendicular with the slip direction of apron (1), one side of deviating from promotion subassembly (2) is provided with slide (3) along the slip direction of apron (1), apron (1) deviates from one side and slide (3) sliding connection that promote subassembly (2).

3. The anti-falling and anti-skid device for the orepass according to claim 2, characterized in that: the bottom of the push piece (21) is fixedly provided with a sliding block (4), a sliding rail (5) is embedded in the ground along the sliding direction of the push piece (21), the sliding block (4) is located in the sliding rail (5), and the sliding block (4) is connected with the sliding rail (5) in a sliding mode along the moving direction of the push piece (21).

4. The anti-falling and anti-skid device for the orepass according to claim 3, wherein: the reset piece is a spring (7), one end of the spring (7) is fixedly connected with the sliding block (4), and the other end of the spring (7) is fixedly connected with the inner wall of one end, close to the cover plate (1), of the sliding rail (5).

5. The anti-falling and anti-skid device for the orepass according to claim 3, wherein: the bottom of the sliding block (4) is rotatably connected with a roller (6), and the roller (6) is in rolling connection with the inner bottom wall of the sliding rail (5).

6. The anti-falling and anti-skid device for the orepass according to claim 5, wherein: one end of the sliding rail (5) close to the cover plate (1) is fixedly provided with a guide sleeve (221), the guide sleeve (221) is located on the ground, and the connecting rod (22) penetrates through the guide sleeve (221).

7. The anti-falling and anti-skid device for the orepass according to claim 6, wherein: the sliding rail (5) is fixedly provided with a limiting plate (8), the limiting plate (8) is located on the ground, and when the push sheet (21) is abutted to the limiting plate (8), the cover plate (1) is completely removed from the port of the chute (9).

8. The anti-falling and anti-skid device for the orepass according to claim 7, wherein: one side of the push sheet (21) departing from the cover plate (1) is arc-shaped.