CN220365610U

CN220365610U - Temporary support device for coal mining and tunneling of coal mine

Info

Publication number: CN220365610U
Application number: CN202322078227.5U
Authority: CN
Inventors: 吴长青
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-19
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a temporary supporting device for coal mining and tunneling, which belongs to the field of temporary supporting devices and comprises a top plate, wherein supporting mechanisms are respectively arranged below two sides of the top plate, the top plate and the supporting mechanisms are matched for use, the side plates are pushed to two sides by universal wheels on the bottom surface of a bottom plate according to the width of a coal mining tunnel, the side plates are moved out of the side walls of an adjusting plate until the side plates are arranged on two sides of the tunnel, then a hand wheel positioned at the front end of the bottom plate is rotated according to the height of the coal mining tunnel, the hand wheel drives a threaded hole through a first rotating rod to enable a connecting block to perform relative movement operation, and in the process of inclination change of a connecting rod, the side plates are lifted upwards through a lifting rod until the top plate is lifted on the top of the coal mining tunnel, so that a temporary supporting structure can be quickly adjusted and built in the tunnel according to the width and the height of the coal mining tunnel through the top plate and the supporting mechanisms on the two sides of the top plate, and the supporting mechanism can play an effective supporting and protecting role in supporting the tunnel.

Description

Temporary support device for coal mining and tunneling of coal mine

Technical Field

The utility model relates to the field of temporary support devices, in particular to a temporary support device for coal mining and tunneling of a coal mine.

Background

In the coal mining field, because of limitation and necessity of coal mining and tunneling, a tunnel for manual operation needs to be dug in a coal seam, and because the rock quality of the coal seam is mostly fragile, the tunnel needs to support the coal seam by using a special supporting device, so that the coal seam is prevented from falling down to generate safety hazard.

In the prior art, the main working procedures of temporary support of a coal mining tunneling roadway are generally to set up an anchor rod hole, erect an anchor net, drive resin medicine bags and anchor rods into the anchor rod hole, manually lift the anchor net in a narrow roadway area, and drive the medicine bags and the anchor rods by using a hammer, but the temporary support device is more complicated to operate, time-consuming and labor-consuming when being set up in the coal mining roadway in the mode, and the working efficiency and the coal mining progress are reduced.

Disclosure of Invention

The utility model mainly aims to provide a temporary support device for coal mining and tunneling of a coal mine, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a colliery is excavated and is used temporary support device, includes the roof, the both sides below of roof is equipped with supporting mechanism respectively, and supporting mechanism includes concave type frame, two-way adjusting screw, connecting block, concave type piece, connecting rod, curb plate, regulating plate and diagonal brace, two-way adjusting screw passes through the first dwang swing joint at both ends in the notch inner bottom surface of concave type frame, and two connecting blocks pass through screw hole and two-way adjusting screw swing joint on the preceding end wall respectively, the curb plate passes through the jacking rod swing joint of bottom surface both sides on the top of bottom plate, and the top of jacking rod and the top surface of connecting block all fixedly connected with concave type piece, the connecting rod respectively with the concave type piece swing joint on jacking rod and the connecting block through the second dwang of both ends both sides, regulating plate fixed connection is in the top of curb plate and swing joint in the lateral wall of roof, and still fixedly connected with symmetrical diagonal brace between curb plate and the regulating plate.

Preferably, the left and right side walls of the top plate are respectively provided with an inner cavity, and the left and right sides of the bottom surface of the top plate are respectively provided with a group of symmetrical movable ports communicated with the inner cavities.

Preferably, the concave frame is fixedly arranged on the top surface of the bottom plate, a group of universal wheels which are symmetrical front and back are fixedly arranged on the bottom surface of the bottom plate, a movable groove is formed in the inner bottom surface of a notch of the concave frame, sliding ports are respectively formed in the left side and the right side of the inner wall of the movable groove, first rotating holes are respectively formed in the front end and the rear end of the inner wall of the movable groove, and side grooves are respectively formed in the left side wall and the right side wall of the notch of the concave frame.

Preferably, the front end and the rear end of the bidirectional adjusting screw are respectively and fixedly provided with a first rotating rod, the first rotating rods are movably arranged in the first rotating holes, the front end of each of the bidirectional adjusting screw is fixedly provided with a hand wheel on the end wall of each of the first rotating rods, the front end walls of the two connecting blocks are respectively provided with threaded holes and are in threaded connection with the bidirectional adjusting screw through the threaded holes, and the left side wall and the right side wall of each of the connecting blocks are respectively and fixedly provided with a sliding block and are movably arranged in the sliding opening.

Preferably, the bottom surface of curb plate fixed mounting has a set of symmetrical jacking pole and inserts and install in the side tank, and the bottom of jacking pole and the top surface of connecting block are fixed mounting respectively has concave type piece, the second rotation hole has been seted up respectively to concave type piece's notch inner wall both sides, the front and back end both sides of connecting rod are fixed mounting respectively has the second dwang, and second dwang movable mounting is in the second rotation hole.

Preferably, the regulating plate is fixedly arranged on the top surface of the side plate, the regulating plate is movably arranged in the inner cavity, a group of symmetrical inclined supporting rods are fixedly arranged between the bottom surface of the regulating plate and the inner side wall of the side plate, and the inclined supporting rods penetrate through the movable opening.

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

according to the utility model, the top plate and the supporting mechanism are matched, the side plates are pushed to two sides by the universal wheels on the bottom surface of the bottom plate according to the width of the coal mining tunnel, so that the side plates are moved out of the side walls of the adjusting plate until the side plates are arranged on two sides of the tunnel, then the hand wheel positioned at the front end of the bottom plate is rotated according to the height of the coal mining tunnel, the hand wheel drives the threaded hole through the first rotating rod to enable the connecting block to perform relative movement operation, and the side plates are lifted upwards by the lifting rod in the process of inclination change of the connecting rod until the top plate is lifted to the top of the coal mining tunnel, so that a temporary supporting structure can be quickly adjusted and built in the tunnel according to the width and the height of the coal mining tunnel through the top plate and the supporting mechanisms on the two sides of the top plate, an effective supporting protection effect is achieved, the construction operation is simple, convenient, time and labor are saved, and the working efficiency and the coal mining progress can be improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of the top plate of the present utility model;

FIG. 3 is a schematic view of the overall structure of the concave frame of the present utility model;

fig. 4 is a schematic view illustrating the structural detachment of the support mechanism of the present utility model.

In the figure: 1. a top plate; 2. a support mechanism; 3. an inner cavity; 4. a movable opening; 5. a bottom plate; 6. a universal wheel; 7. a concave frame; 8. a movable groove; 9. a sliding port; 10. a first rotation hole; 11. a side groove; 12. a bidirectional adjusting screw; 13. a first rotating lever; 14. a hand wheel; 15. a connecting block; 16. a threaded hole; 17. a sliding block; 18. a concave block; 19. a second rotation hole; 20. a connecting rod; 21. a second rotating lever; 22. a side plate; 23. a lifting rod; 24. an adjusting plate; 25. and (5) an inclined strut.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 4, in this embodiment, in order to quickly construct a temporary support device in a coal mining roadway through the use of a top plate 1 and support mechanisms 2 on both sides, the concrete use principle of the top plate 1 and the support mechanisms 2 on both sides is as follows:

the whole device is moved into a coal mining tunnel through universal wheels 6 arranged on the bottom surface of a bottom plate 5, then, a side plate 22 is pushed to the opposite direction according to the width of the tunnel, the side plate 22 moves the universal wheels 6 on the bottom surface of the bottom plate 5, at the moment, the side plate 22 drives an adjusting plate 24 to move outwards from inner cavities 3 formed on two sides of a top plate 1 through inclined supporting rods 25, the inclined supporting rods 25 move in movable openings 4 formed on the bottom surface of the top plate 1 until the side plate 22 moves to two sides of the tunnel, then, locking and preventing the universal wheels 6 from moving, the universal wheels 6 are universal wheels 6 with locking functions, then, a hand wheel 14 positioned below the front end of a concave frame 7 arranged on the top surface of the bottom plate 5 is rotated, the hand wheel 14 drives a first rotating rod 13 arranged on the front end and the rear end of a bidirectional adjusting screw 12 to rotate in a first rotating hole 10 formed on the front end wall and the rear end wall of a groove of a movable groove 8 on the bottom surface in a notch of the bottom plate 5, and the first rotating rod 13 drives the bidirectional adjusting screw rod 12 to rotate in the movable groove 8, when the bidirectional adjusting screw rod 12 rotates, the symmetrical connecting block 15 moves reversely in the groove of the movable groove 8 along the bidirectional adjusting screw rod 12 through the threaded hole 16 arranged on the front end wall, the sliding blocks 17 arranged at two sides of the connecting block 15 slide in the sliding openings 9 arranged at the left and right sides of the inner wall of the movable groove 8, at this time, because the second rotating rods 21 arranged at two sides of the front and rear ends of the connecting rod 20 are respectively movably arranged in the second rotating holes 19 arranged at the bottom end of the jacking rod 23 and two side walls of the concave block 18 arranged at the top surface of the connecting block 15, the connecting rod 20 is forced to incline when the connecting block 15 moves, and the second rotating rod 21 rotates in the second rotating holes 19, the degree of the included angle formed between the connecting rod 20 and the inner bottom surface of the notch of the concave frame 7 gradually increases, and the lifting rod 23 is pushed upwards in the process of changing, so that the lifting rod 23 moves upwards in the side grooves 11 formed in the left and right side walls of the notch of the concave frame 7, meanwhile, the side plates 22, the adjusting plates 24 arranged at the top ends of the side plates 22 and the top plate 1 outside the adjusting plates 24 move upwards at the same time until the top plate 1 is abutted against the inner top surface of the roadway, so that the hand wheel 14 cannot rotate, the inner upper part of the roadway is supported by the top plate 1 and the adjusting plates 24 extending from the two sides, the supporting strength and the stability of the upper part of the roadway can be improved by the inclined supporting rods 25, the two sides of the roadway can be supported by the side plates 22, a temporary supporting structure can be formed by adjusting and constructing in the roadway rapidly according to the width and the height of the roadway, the roadway can play a role of supporting and protecting effectively, the operation is simple, time and labor are saved, and the working efficiency and the coal mine construction progress can be improved.

The foregoing 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, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and equivalents of the features may be substituted for elements thereof without departing from the true spirit and scope of the utility model.

Claims

1. The utility model provides a colliery coal mining tunnelling is with temporary support device, includes roof (1), its characterized in that: the two sides of the top plate (1) are respectively provided with a supporting mechanism (2), the supporting mechanism (2) comprises a concave frame (7), a bidirectional adjusting screw (12), connecting blocks (15), concave blocks (18), connecting rods (20), side plates (22), adjusting plates (24) and inclined supporting rods (25), the bidirectional adjusting screw (12) is movably connected in the inner bottom surface of a notch of the concave frame (7) through first rotating rods (13) at two ends, the two connecting blocks (15) are respectively movably connected with the bidirectional adjusting screw (12) through threaded holes (16) on the front end wall, the side plates (22) are movably connected to the top ends of the bottom plates (5) through jacking rods (23) on two sides of the bottom surfaces, concave blocks (18) are fixedly connected to the top ends of the jacking rods (23) and the top surfaces of the connecting blocks (15), the connecting rods (20) are respectively movably connected with the jacking rods (23) and the concave blocks (18) on the connecting blocks (15) through second rotating rods (21) on two sides of the two ends, the adjusting plates (24) are fixedly connected to the top ends of the side plates (22) and are movably connected to the side walls of the top plates (1), and symmetrical diagonal bracing rods (25) are fixedly connected between the side plates (22) and the adjusting plates (24).

2. The temporary support device for coal mining and tunneling in a coal mine according to claim 1, wherein: inner cavities (3) are respectively formed in the left side wall and the right side wall of the top plate (1), and a group of symmetrical movable ports (4) communicated with the inner cavities (3) are respectively formed in the left side and the right side of the bottom surface of the top plate (1).

3. The temporary support device for coal mining and tunneling in a coal mine according to claim 2, wherein: the novel multifunctional electric bicycle is characterized in that the concave frame (7) is fixedly arranged on the top surface of the bottom plate (5), a group of front-back symmetrical universal wheels (6) are fixedly arranged on the bottom surface of the bottom plate (5), movable grooves (8) are formed in the inner bottom surfaces of the concave frames (7), sliding ports (9) are respectively formed in the left side and the right side of the inner walls of the movable grooves (8), first rotating holes (10) are respectively formed in the front end and the rear end of the inner walls of the movable grooves (8), and side grooves (11) are respectively formed in the left side wall and the right side wall of the concave frames (7).

4. A temporary support device for coal mining and tunnelling in a coal mine as claimed in claim 3, wherein: the two-way adjusting screw (12) is characterized in that a first rotating rod (13) is fixedly installed at the front end and the rear end of the two-way adjusting screw (12) respectively, the first rotating rod (13) is movably installed in a first rotating hole (10), a hand wheel (14) is fixedly installed on the end wall of the first rotating rod (13), threaded holes (16) are formed in the front end walls of the two connecting blocks (15) respectively and are in threaded connection with the two-way adjusting screw (12) through the threaded holes (16), and sliding blocks (17) are fixedly installed on the left side wall and the right side wall of the connecting block (15) respectively and are movably installed in the sliding opening (9).

5. The temporary support device for coal mining and tunneling in a coal mine according to claim 4, wherein: the bottom surface fixed mounting of curb plate (22) has a set of symmetrical jacking pole (23) and inserts and install in side groove (11), and the top surface of the bottom of jacking pole (23) and connecting block (15) is fixed mounting respectively has concave type piece (18), second rotation hole (19) have been seted up respectively to the notch inner wall both sides of concave type piece (18), the front and back end both sides of connecting rod (20) are fixed mounting respectively has second dwang (21), and second dwang (21) movable mounting is in second rotation hole (19).

6. The temporary support device for coal mining and tunneling in a coal mine according to claim 5, wherein: the adjusting plate (24) is fixedly arranged on the top surface of the side plate (22), the adjusting plate (24) is movably arranged in the inner cavity (3), a group of symmetrical diagonal braces (25) are fixedly arranged between the bottom surface of the adjusting plate (24) and the inner side wall of the side plate (22), and the diagonal braces (25) penetrate through the movable opening (4).