Supporting device for coal mine safety production

Abstract

The utility model discloses a supporting device for coal mine safety production, which relates to the technical field of coal mine safety production, and comprises a rack, a second flat plate is arranged above the rack, and the second flat plate is used for supporting a mine hole; the top of the rack is fixedly connected with a first hydraulic cylinder, an output shaft of the first hydraulic cylinder is fixedly connected with the outer wall of the sliding block, a sliding groove is formed in the top of the rack, the bottom of the sliding block is slidably connected with the inner wall of the sliding groove, the top of the sliding block is fixedly connected with a second hydraulic cylinder, and the top of an output shaft of the second hydraulic cylinder is fixedly connected with a first flat plate. The sliding rod is fixedly connected to the outer wall of the second flat plate, and the first flat plate is slidably connected to the outer wall of the sliding rod. The first hydraulic cylinder is used for driving the sliding block to move, the sliding block drives the first flat plate to move and is matched with the second flat plate and the sliding rod, supporting faces of different sizes are formed, a worker can freely adjust the size of the supporting faces according to working requirements, the situation that supporting equipment needs to be replaced in the working process is reduced, working time is saved, and equipment applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine safety production technical field, especially a kind of supporting device for coal mine safety production. BACKGROUND

[0002] The supporting device for coal mine safety production is hydraulic support, and the hydraulic support is equipment used for supporting roof in the process of coal mining, which can effectively control coal mining face, protect working space, prevent roof collapse and rock falling, so as to ensure the safety of coal production.

[0003] The top size of the traditional supporting device for coal mine safety production is fixed, which is difficult to meet different coal mining conditions, and different models of supporting devices need to be replaced, which is time-consuming and laborious. In the process of coal mining, the change of coal seam and geological conditions will lead to the emergence of dynamic pressure, or the change of mine environment and terrain will occur with the work of workers, and different sizes of supporting equipment need to be replaced. The size of the roof supported by the traditional supporting device for coal mine safety production is fixed, which is difficult to adapt to such changes, resulting in insufficient supporting force and affecting safe production. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of supporting device for coal mine safety production to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of supporting device for coal mine safety production, comprising:

[0006] Frame, the second flat plate is arranged above the frame, and the second flat plate is used to support the mine;

[0007] Sliding block, the first hydraulic cylinder is fixedly connected to the top of the frame, the output shaft of the first hydraulic cylinder is fixedly connected with the outer wall of the sliding block, the sliding slot is opened in the top of the frame, the bottom of the sliding block is slidably connected with the inner wall of the sliding slot, the second hydraulic cylinder is fixedly connected to the top of the sliding block, and the first flat plate is fixedly connected to the top of the output shaft of the second hydraulic cylinder;

[0008] Slide rod, the slide rod is fixedly connected to the outer wall of the second flat plate, the first flat plate is slidably connected to the outer wall of the slide rod, and the slide rod is used to connect the first flat plate and the second flat plate.

[0009] Preferably, the first flat plate is two and is mirror image arranged, two groups of auxiliary supporting mechanisms are arranged on the top of the frame, and the auxiliary supporting mechanisms are used to support the mine at different angles.

[0010] The auxiliary support mechanism is mirror-imaged arranged on the side of the two first plates away from each other, and comprises a support assembly and a driving assembly.

[0011] Preferably, the driving assembly comprises a third hydraulic cylinder fixedly connected to the top of the sliding block, and a moving block fixedly connected to the output shaft of the third hydraulic cylinder.

[0012] Preferably, the bottom of the rack is provided with a support mechanism for supporting the rack.

[0013] Preferably, the support mechanism comprises a support rod fixedly connected to the bottom of the rack.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] The first hydraulic cylinder drives the sliding block to move, the sliding block drives the first plate to move, and the second plate and the slide rod are cooperated to form a support surface of different sizes. DRAWINGS

[0016] Fig. 1 It is a front perspective structural schematic view of the utility model.

[0017] Fig. 2 It is a side perspective structural schematic view of the utility model.

[0018] Fig. 3 It is a first rotating plate perspective structural schematic view of the utility model.

[0019] In the drawing: 1, rack; 2, sliding block; 3, support rod; 4, first hydraulic cylinder; 5, sliding groove; 6, second hydraulic cylinder; 7, first plate; 8, slide rod; 9, second plate; 10, third hydraulic cylinder; 12, first circular rod; 13, rotating plate; 14, moving block; 15, slide rail; 16, second circular rod. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0021] The utility model provides a kind of support device for coal mine safety production as shown in Figs. 1-3 As shown in a kind of support device for coal mine safety production, including rack 1, sliding block 2 and slide bar 8, rack 1 top is provided with second flat plate 9, second flat plate 9 is used to support mine, first hydraulic cylinder 4 is fixedly connected at rack 1 top, first hydraulic cylinder 4 output shaft is fixedly connected with the outer wall of sliding block 2, chute 5 is opened at rack 1 top, the inner wall of chute 5 is slidably connected with the bottom of sliding block 2, second hydraulic cylinder 6 is fixedly connected at the top of the output shaft of second hydraulic cylinder 6, first flat plate 7 is fixedly connected at the top of the output shaft of second hydraulic cylinder 6, slide bar 8 is fixedly connected to the outer wall of second flat plate 9, first flat plate 7 is slidably connected to the outer wall of slide bar 8, first flat plate 7 is two and mirror image is set, slide bar 8 is used to connect first flat plate 7 and second flat plate 9, worker carries equipment body to suitable position, starts first hydraulic cylinder 4, first hydraulic cylinder 4 drives sliding block 2 to move, sliding block 2 moves first flat plate 7 by second hydraulic cylinder 6, two first flat plates 7 move together to make second flat plate 9 and slide bar 8 unmoved, in the process of first flat plate 7 continuous movement, slide bar 8 extends, slide bar 8 supports the position between first flat plate 7 and second flat plate 9, forms greater support surface, reduces the case that support equipment needs to be replaced in working process, saves working time, increases equipment applicability.

[0022] In one aspect, two groups of auxiliary support mechanisms are provided on the top of the rack 1, the auxiliary support mechanisms are used to support the mine at different angles, and the two groups of auxiliary support mechanisms are mirror image arranged on the side away from the two first flat plates 7. The auxiliary support mechanism includes a support assembly and a driving assembly. The support assembly includes a rotating plate 13. A first circular rod 12 is rotatably connected to the side of the first flat plate 7 away from the second flat plate 9. The rotating plate 13 is fixedly connected to the outer wall of the first circular rod 12. The sliding block 2 drives the first flat plate 7 to move while driving the rotating plate 13 to move. The rotating plate 13 rotates around the first circular rod 12 at one end. The rotating plate 13 and the first flat plate 7 can freely adjust the angle until the rotating plate 13 avoids abutting against the mine. The third hydraulic cylinder 10 is stopped. The first flat plate 7 not only can increase the support surface to complete the purpose of supporting the mine, but also can make the straight falling stone or other falling objects deviate from the falling path to protect the safety of the workers.

[0023] On the other hand, the driving assembly comprises a third hydraulic cylinder 10 fixedly connected to the top of the sliding block 2, the output shaft of the third hydraulic cylinder 10 is fixedly connected with a moving block 14, the bottom of the rotating plate 13 is fixedly connected with sliding rails 15 on both sides, the inner wall of the sliding rail 15 is slidably connected with a second circular rod 16, the moving block 14 is rotatably connected to the middle part of the outer wall of the second circular rod 16, the third hydraulic cylinder 10 drives the second circular rod 16 to move up and down through the moving block 14, under the limitation of the first circular rod 12, the second circular rod 16 drives the rotating plate 13 to rotate around the first circular rod 12, and the rotating plate 13 supports the mine hole in cooperation with the first flat plate 7.

[0024] In addition, the bottom of the rack 1 is provided with a supporting mechanism for supporting the rack 1, and the supporting mechanism comprises a supporting rod 3 fixedly connected to the bottom of the rack 1, and when the first flat plate 7 and the second flat plate 9 abut against the inner wall of the mine hole, the supporting rod 3 abuts against the ground, thereby improving the stability of the equipment body.

[0025] The utility model works as follows: the worker carries the equipment body to a suitable working position, starts the first hydraulic cylinder 4 first, the first hydraulic cylinder 4 drives the two sliding blocks 2 to move away from each other, the sliding block 2 drives the first flat plate 7 to move through the second hydraulic cylinder 6, the second flat plate 9 remains stationary, in the movement of the first flat plate 7, the sliding rod 8 is separated from the inner wall of the first flat plate 7, until the first flat plate 7 moves to a suitable supporting position, stop the first hydraulic cylinder 4, at this time, start the second hydraulic cylinder 6, the second hydraulic cylinder 6 drives the first flat plate 7 to move upwards, until the top of the first flat plate 7 abuts against the mine hole, cooperates with the second flat plate 9 and the sliding rod 8 to form a supporting surface, realizes the supporting effect, starts the third hydraulic cylinder 10, the third hydraulic cylinder 10 drives the moving block 14 to move upwards, the moving block 14 drives the second circular rod 16 to move upwards, under the limitation of the first circular rod 12, the second circular rod 16 drives the rotating plate 13 to rotate around the first circular rod 12, and the rotating plate 13 supports the mine hole in cooperation with the first flat plate 7, during the work, if the mine terrain changes due to the work, it is necessary to replace the supporting equipment of different sizes, the above operation can be repeated to adjust the size of the supporting surface and complete the supporting work.

[0026] Finally, it should be pointed out that: the above only for preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A support device for use in coal mine safety production, characterized in that, The utility model relates to a kind of mine tunneling machine, including: Rack (1), second flat plate (9) is arranged above the rack (1), and the second flat plate (9) is used to support mine tunneling machine; Slide block (2), first hydraulic cylinder (4) is fixedly connected on the top of the rack (1), the output shaft of the first hydraulic cylinder (4) is fixedly connected with the outer wall of slide block (2), the chute (5) is opened in the top of the rack (1), the bottom of the slide block (2) is slidably connected with the inner wall of the chute (5), the second hydraulic cylinder (6) is fixedly connected on the top of the slide block (2), the output shaft top of the second hydraulic cylinder (6) is fixedly connected with first flat plate (7); Slide bar (8), the slide bar (8) is fixedly connected to the outer wall of second flat plate (9), the first flat plate (7) is slidably connected to the outer wall of slide bar (8), and the slide bar (8) is used to connect first flat plate (7) and second flat plate (9).

2. The supporting device for safety production of coal mine according to claim 1, characterized in that, The first flat plate (7) is two and mirror image is arranged, and two groups of auxiliary support mechanisms are arranged on the top of the rack (1), and the auxiliary support mechanism is used to support mine tunneling machine at different angles.

3. The supporting device for safety production of coal mine according to claim 2, characterized in that, Two groups of the auxiliary support mechanisms are mirror image arranged on the side, away from two first flat plates (7), the auxiliary support mechanism includes support assembly and drive assembly, the support assembly includes rotating plate (13), the side, away from second flat plate (9) of the first flat plate (7), is rotatably connected with first circular rod (12), and the rotating plate (13) is fixedly connected to the outer wall of first circular rod (12).

4. The supporting device for safety production in coal mine according to claim 3, characterized in that, The drive assembly includes third hydraulic cylinder (10), the third hydraulic cylinder (10) is fixedly connected to the top of slide block (2), the output shaft of the third hydraulic cylinder (10) is fixedly connected with moving block (14), the bottom of the rotating plate (13) is fixedly connected with slide rail (15) on both sides, the inner wall of the slide rail (15) is slidably connected with second circular rod (16), and the moving block (14) is rotatably connected to the outer wall of second circular rod (16) middle part.

5. The supporting device for safety production of coal mine according to claim 4, characterized in that, The bottom of the rack (1) is provided with a support mechanism, and the support mechanism is used to support the rack (1).

6. The supporting device for safety production in coal mine according to claim 5, characterized in that, The support mechanism includes support rod (3), and the support rod (3) is fixedly connected to the bottom of the rack (1).

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