CN216894408U

CN216894408U - Coal mine tunneling and supporting device

Info

Publication number: CN216894408U
Application number: CN202220236664.8U
Authority: CN
Inventors: 张峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-05
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a coal mine tunneling support device which comprises a tunneling machine body, wherein a first matching groove is formed in the top end of the tunneling machine body. The supporting device is provided with the motor, the threaded rod, the top plate and the rollers, so that the supporting device has a better protection effect, the motor is started to drive the rotating shaft and the first gear to rotate, then the threaded rod is driven to rotate through direct meshing of the first gear and the second gear, so that the connecting block is driven to be meshed with the threaded rod, the top plate is driven to be adjusted in height, when the top plate is adjusted to the top of the mine hole, the motor is turned off, when the heading machine body moves forwards, the rollers are elastically stretched and stretched by the second spring in the adjusting cylinder through the connecting rods at the bottom end of the top plate to be attached to the top of the mine hole to roll, when impurities fall from the top of the mine hole, the impurities fall onto the baffle through attachment of the rollers and the top plate to the top of the mine hole, the baffle scatters the impurities to the front end and the rear end of the heading machine body, and the safety of the heading machine body during working is improved.

Description

Coal mine tunneling and supporting device

Technical Field

The utility model relates to the technical field of development machines, in particular to a coal mine development supporting device.

Background

A heading machine is a machine for cutting roadways on a flat ground. The types of the development machine are many: dividing the machine into a common machine and a tunnel boring machine according to an operation object; the method is divided into an open-type tunneling machine and a shield-type tunneling machine according to the operation mode. The working mode is as follows: mainly comprises a walking mechanism, a working mechanism, a loading and transporting mechanism and a transshipment mechanism. As the travelling mechanism advances forward, the cutting head in the working mechanism continuously crushes the rock and transports the crushed rock away. The method has the advantages of safety, high efficiency, good quality of lane formation and the like, but has large manufacturing cost, complex structure and large loss, and China is a big coal producing country and numerous coal mines of various sizes. With the rising price of energy sources such as petroleum and natural gas, coal becomes a popular energy source in China, the demand is inevitably huge in the future, and the rapid development of the coal mining industry is stimulated. With the concern of the government on the safety problem of coal mining, the complete mechanized production can be gradually realized in the future, which will inevitably further increase the demand growth of the coal mine development machine; however, the existing heading machine does not have protection capability in the heading process, impurities and the like fall from the top layer of a cavity after the heading machine is excavated, the heading machine can be damaged, the impurities can be accumulated on the surface of the heading machine, the working efficiency of the follow-up heading machine is affected, certain potential safety hazards are brought to operators, and therefore the coal mine heading support device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coal mine tunneling support device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a coal mine tunneling support device comprises a tunneling machine body, wherein a first matching groove is formed in the top end of the tunneling machine body, a motor is fixedly connected inside the first matching groove, the output end of the motor is fixedly connected with a rotating shaft through a coupler, a first gear is fixedly connected to the top end of the rotating shaft, a second gear is movably connected to one side of the first gear, a first clamping groove is formed in the top end of the tunneling machine body, a first clamping ball is movably connected inside the first clamping groove, a connecting plate is fixedly connected to the top end of the first clamping ball, a bearing is fixedly connected inside the connecting plate, a limiting cover is fixedly connected to the top end of the tunneling machine body, a first spring is fixedly connected inside the limiting cover, a movable rod is fixedly connected to the top end of the first spring, and a second clamping ball is fixedly connected to the outer wall of the movable rod, the utility model discloses a connecting device, including connecting plate, top fixedly connected with limiting rod, through-hole, the top fixedly connected with of baffle, the top fixedly connected with of connecting rod has the threaded rod, the outer wall swing joint of threaded rod has the connecting block, the top fixedly connected with bracing piece of connecting block, the top fixedly connected with baffle of bracing piece, the through-hole has been seted up to the inside of baffle, the top fixedly connected with of baffle adjusts a section of thick bamboo, adjust the inside fixedly connected with second spring of a section of thick bamboo, the top fixedly connected with limiting plate of second spring, the top fixedly connected with connecting rod of limiting plate, the top fixedly connected with roof of connecting rod, the second matching groove has been seted up on the top of roof, the inside fixedly connected with gag lever post in second matching groove, the outer wall swing joint of gag lever post has the gyro wheel.

As a preferable technical scheme of the utility model, the number of the first matching grooves is two, and the two first matching grooves are symmetrically arranged by taking a perpendicular bisector of the heading machine body as a symmetry axis.

In a preferred embodiment of the present invention, the second gear is connected to the threaded rod by welding, and an inner dimension of the second gear is identical to an outer dimension of the threaded rod.

As a preferred technical scheme of the utility model, the shape and size of the first clamping groove and the shape and size of the first clamping ball are matched with each other, and the connecting plate is movably connected with the heading machine body through the first clamping groove and the first clamping ball.

As a preferred technical scheme of the utility model, the top end of the connecting plate is provided with a bearing groove, and the shape and size of the bearing groove are matched with those of the bearing.

As a preferred technical scheme of the utility model, the number of the limit covers is four, every two limit covers form a group, and the two groups of limit covers are symmetrically arranged by taking a perpendicular bisector of the heading machine body as a symmetry axis.

As a preferable technical scheme of the utility model, the threaded rod penetrates through the inside of the connecting block and extends to two ends of the connecting block, and the threaded rod is movably connected with the connecting block.

As a preferable technical scheme of the utility model, the shape and the size of the second matching groove are matched with those of the roller, and the roller is movably connected with the top plate through the second matching groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. the aim that the supporting device has better protection effect is fulfilled by arranging a motor, a first gear, a second gear, a threaded rod, a connecting block, a baffle, a top plate and a roller, wherein the motor is started before the heading machine body works to drive a rotating shaft and the first gear to rotate, then the first gear is directly meshed with the second gear to drive the threaded rod to rotate, so as to drive the connecting block to be meshed with the threaded rod and drive the height adjustment of the top plate, when the height of the top plate is adjusted to the top of a mine hole, the motor is turned off, when the heading machine body moves forwards, the roller rolls with the top of the mine hole by the elastic expansion of a second spring in an adjusting cylinder through a connecting rod at the bottom end of the top plate, when impurities fall off from the top of the mine hole, the impurities fall onto the baffle through the attachment of the roller and the top plate, the impurities are scattered to the front end and the back end of the heading machine body by the baffle, the safety of the development machine body during working is improved, and the potential safety hazard to operators is reduced, so that people can use the development machine body more worry-free;

2. the support device is provided with the first clamping groove, the first clamping ball, the connecting plate, the limiting cover, the movable rod, the second clamping ball and the second clamping groove, so that the support device has the purpose of being convenient to disassemble, the movable rod is lifted upwards to drive the second clamping ball to be separated from the second clamping groove at the top end of the connecting plate, then the movable rod is rotated in the direction, the threaded rod is lifted, the first clamping ball at the bottom end of the connecting plate is pulled out of the first clamping groove, the support device is disassembled, time and labor are saved, the difficulty of disassembling the support device by operators is reduced, and therefore people can use the support device more conveniently;

drawings

FIG. 1 is a schematic front sectional view of the present invention,

FIG. 2 is a schematic front view of the present invention,

FIG. 3 is a schematic view of the connection between the limit cap and the second ball according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention;

FIG. 5 is an enlarged view of the structure at B of the present invention

In the figure: 1. a heading machine body; 2. a first matching groove; 3. a motor; 4. a rotating shaft; 5. a first gear; 6. a second gear; 7. a first card slot; 8. a first ball retainer; 9. a connecting plate; 10. a bearing; 11. A limiting cover; 12. a first spring; 13. a movable rod; 14. a second ball; 15. a second card slot; 16. A threaded rod; 17. connecting blocks; 18. a support bar; 19. a baffle plate; 20. a through hole; 21. an adjusting cylinder; 22. A second spring; 23. a limiting plate; 24. a connecting rod; 25. a top plate; 26. a second matching groove; 27. a limiting rod; 28. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment is as follows: as shown in fig. 1-5, the utility model provides a coal mine tunneling support device, which comprises a tunneling machine body 1, wherein a first matching groove 2 is formed at the top end of the tunneling machine body 1, a motor 3 is fixedly connected inside the first matching groove 2, the output end of the motor 3 is fixedly connected with a rotating shaft 4 through a coupler, the top end of the rotating shaft 4 is fixedly connected with a first gear 5, one side of the first gear 5 is movably connected with a second gear 6, the top end of the tunneling machine body 1 is provided with a first clamping groove 7, the inside of the first clamping groove 7 is movably connected with a first clamping ball 8, the top end of the first clamping ball 8 is fixedly connected with a connecting plate 9, the inside of the connecting plate 9 is fixedly connected with a bearing 10, the top end of the tunneling machine body 1 is fixedly connected with a limit cover 11, the inside of the limit cover 11 is fixedly connected with a first spring 12, and the top end of the first spring 12 is fixedly connected with a movable rod 13, the outer wall of the movable rod 13 is fixedly connected with a second clamping ball 14, the top end of the connecting plate 9 is provided with a second clamping groove 15, the supporting device has the purpose of being convenient to disassemble by arranging a first clamping groove 7, a first clamping ball 8, the connecting plate 9, a limiting cover 11, the movable rod 13, the second clamping ball 14 and the second clamping groove 15, the movable rod 13 is lifted upwards to drive the second clamping ball 14 to be separated from the second clamping groove 15 at the top end of the connecting plate 9, then the movable rod 13 is rotated to lift the threaded rod 16, the first clamping ball 8 at the bottom end of the connecting plate 9 is pulled out of the first clamping groove 7, the purpose of disassembling the supporting device is achieved, time and labor are saved, the difficulty of disassembling the supporting device by operators is reduced, and therefore people can use the supporting device more conveniently, the top end of the connecting plate 9 is movably connected with the threaded rod 16, the outer wall of the threaded rod 16 is movably connected with a connecting block 17, the top end of the connecting block 17 is fixedly connected with a supporting rod 18, the top end of the supporting rod 18 is fixedly connected with a baffle plate 19, the interior of the baffle plate 19 is provided with a through hole 20, the top end of the baffle plate 19 is fixedly connected with an adjusting cylinder 21, the interior of the adjusting cylinder 21 is fixedly connected with a second spring 22, the top end of the second spring 22 is fixedly connected with a limiting plate 23, the top end of the limiting plate 23 is fixedly connected with a connecting rod 24, the top end of the connecting rod 24 is fixedly connected with a top plate 25, the top end of the top plate 25 is provided with a second matching groove 26, the interior of the second matching groove 26 is fixedly connected with a limiting rod 27, the outer wall of the limiting rod 27 is movably connected with a roller 28, and by arranging a motor 3, a first gear 5, a second gear 6, a threaded rod 16, a connecting block 17, the baffle plate 19, the top plate 25 and the roller 28, the aim that the supporting device has a better protection effect is achieved, before the heading machine body 1 works, the motor 3 is started to drive the rotation of a rotating shaft 4 and the first gear 5 to rotate, then, the threaded rod 16 is driven to rotate through direct meshing of the first gear 5 and the second gear 6, so that the connecting block 17 is driven to be meshed with the threaded rod 16, the height adjustment of the top plate 25 is driven, when the top plate 25 is adjusted to the top of the mine cave, the motor 3 is turned off, when the heading machine body 1 advances for heading, the roller 28 rolls with the top of the mine cave in a fit manner under the action of elastic expansion of the second spring 22 inside the adjusting cylinder 21 through the connecting rod 24 at the bottom end of the top plate 25, when impurities fall off from the top of the mine cave, the impurities fall onto the baffle 19 through the fit between the roller 28 and the top plate 25 and the top of the mine cave, and the baffle 19 scatters the impurities to the front end and the rear end of the heading machine body 1, so that the safety of the heading machine body 1 during working is improved, the potential safety hazard to operators is reduced, and further people use the excavator are relieved.

Further, the number of the first matching grooves 2 is two, and the two first matching grooves 2 are symmetrically arranged by taking the perpendicular bisector of the heading machine body 1 as a symmetry axis, so that the stability of the baffle 19 and the roof 25 is improved.

Furthermore, the second gear 6 is connected with the threaded rod 16 by welding, and the inner size of the second gear 6 is matched with the outer size of the threaded rod 16, so that the baffle 19 and the top plate 25 are driven to be lifted conveniently.

Furthermore, the shape and size of the first clamping groove 7 are matched with the shape and size of the first clamping ball 8, and the connecting plate 9 is movably connected with the heading machine body 1 through the first clamping groove 7 and the first clamping ball 8, so that the connecting plate 9 can be conveniently detached.

Furthermore, a bearing groove is formed in the top end of the connecting plate 9, and the shape and the size of the bearing groove are matched with those of the bearing 10, so that the threaded rod 16 can rotate smoothly.

Furthermore, the number of the limit covers 11 is four, every two limit covers 11 are a group, and the two groups of limit covers 11 are symmetrically arranged by taking the perpendicular bisector of the heading machine body 1 as a symmetry axis, so that the connection stability of the connecting plate 9 and the heading machine body 1 is improved.

Further, threaded rod 16 run through connecting block 17's inside and extend to connecting block 17's both ends, and threaded rod 16 and connecting block 17 swing joint are convenient for drive connecting block 17 and threaded rod 16's meshing.

Further, the shape and size of the second matching groove 26 and the shape and size of the roller 28 are matched with each other, and the roller 28 is movably connected with the top plate 25 through the second matching groove 26, so that the roller 28 is convenient to attach to the top end of the mine hole.

The working principle is as follows: before the heading machine body 1 works, the motor 3 is started to drive the rotating shaft 4 and the first gear 5 to rotate, then the first gear 5 is directly meshed with the second gear 6 to drive the threaded rod 16 to rotate, so as to drive the connecting block 17 to be meshed with the threaded rod 16 and drive the top plate 25 to adjust the height, when the top plate 25 is adjusted to the top of the mine tunnel, the motor 3 is turned off, when the heading machine body 1 advances to heading, the roller 28 is elastically stretched and rolled with the top of the mine tunnel by the second spring 22 in the adjusting cylinder 21 through the connecting rod 24 at the bottom end of the top plate 25, when impurities fall off from the top of the mine tunnel, the impurities fall onto the baffle 19 through the attachment of the roller 28 and the top plate 25 to the top of the mine tunnel, the baffle 19 scatters the impurities to the front end and the rear end of the heading machine body 1, the movable rod 13 is lifted upwards to drive the second blocking ball 14 to be separated from the second blocking groove 15 at the top end of the connecting plate 9, and then the movable rod 13 rotates in the direction, the threaded rod 16 is lifted, and the first clamping ball 8 at the bottom end of the connecting plate 9 is pulled out of the first clamping groove 7, so that the aim of disassembling the supporting device is fulfilled, and the work is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery tunnelling supporting device, includes entry driving machine body (1), its characterized in that: the top end of the heading machine body (1) is provided with a first matching groove (2), the interior of the first matching groove (2) is fixedly connected with a motor (3), the output end of the motor (3) is fixedly connected with a rotating shaft (4) through a coupler, the top end of the rotating shaft (4) is fixedly connected with a first gear (5), one side of the first gear (5) is movably connected with a second gear (6), the top end of the heading machine body (1) is provided with a first clamping groove (7), the interior of the first clamping groove (7) is movably connected with a first clamping ball (8), the top end of the first clamping ball (8) is fixedly connected with a connecting plate (9), the interior of the connecting plate (9) is fixedly connected with a bearing (10), the top end of the heading machine body (1) is fixedly connected with a limit cover (11), and the interior of the limit cover (11) is fixedly connected with a first spring (12), the top end of the first spring (12) is fixedly connected with a movable rod (13), the outer wall of the movable rod (13) is fixedly connected with a second clamping ball (14), the top end of the connecting plate (9) is provided with a second clamping groove (15), the top end of the connecting plate (9) is movably connected with a threaded rod (16), the outer wall of the threaded rod (16) is movably connected with a connecting block (17), the top end of the connecting block (17) is fixedly connected with a supporting rod (18), the top end of the supporting rod (18) is fixedly connected with a baffle (19), the inside of the baffle (19) is provided with a through hole (20), the top end of the baffle (19) is fixedly connected with an adjusting cylinder (21), the inside of the adjusting cylinder (21) is fixedly connected with a second spring (22), the top end of the second spring (22) is fixedly connected with a limiting plate (23), and the top end of the limiting plate (23) is fixedly connected with a connecting rod (24), the top fixedly connected with roof (25) of connecting rod (24), second matching groove (26) have been seted up on the top of roof (25), the inside fixedly connected with gag lever post (27) in second matching groove (26), the outer wall swing joint of gag lever post (27) has gyro wheel (28).

2. A coal mine tunnelling support device as defined in claim 1, in which: the number of the first matching grooves (2) is two, and the two first matching grooves (2) are symmetrically arranged by taking the perpendicular bisector of the heading machine body (1) as a symmetry axis.

3. A coal mine tunnelling support device as defined in claim 1, in which: the second gear (6) is connected with the threaded rod (16) through welding, and the inner size of the second gear (6) is matched with the outer size of the threaded rod (16).

4. A coal mine tunnelling support device as defined in claim 1, in which: the shape and size of the first clamping groove (7) and the shape and size of the first clamping ball (8) are matched with each other, and the connecting plate (9) is movably connected with the heading machine body (1) through the first clamping groove (7) and the first clamping ball (8).

5. A coal mine tunnelling support device as defined in claim 1, in which: and a bearing groove is formed in the top end of the connecting plate (9), and the shape and size of the bearing groove are matched with those of the bearing (10).

6. A coal mine tunnelling support device as defined in claim 1, in which: the number of the limiting covers (11) is four, every two limiting covers (11) are a group, and the two groups of limiting covers (11) are symmetrically arranged by taking the perpendicular bisector of the heading machine body (1) as a symmetry axis.

7. A coal mine tunnelling support device as defined in claim 1, in which: the threaded rod (16) penetrates through the inside of the connecting block (17) and extends to two ends of the connecting block (17), and the threaded rod (16) is movably connected with the connecting block (17).

8. A coal mine tunnelling support device as defined in claim 1, in which: the shape and the size of the second matching groove (26) are matched with those of the roller (28), and the roller (28) is movably connected with the top plate (25) through the second matching groove (26).