Coal mining safety protection device

Abstract

The utility model provides a coal mining safety protection device which comprises a base plate, mounting rods are fixedly connected to the four corners of the bottom of the base plate, an adjusting mechanism is arranged in an inner cavity of the base plate, a buffering mechanism is arranged at the top of the adjusting mechanism, and a connecting plate is arranged at the top of the buffering mechanism. A connecting mechanism is arranged on the outer side of the connecting plate, a protective plate is arranged at the top of the connecting plate, the adjusting mechanism comprises four adjusting rods, the outer sides of the four adjusting rods are slidably connected with an inner cavity of the base plate, limiting rods are inserted into inner cavities of the adjusting rods, and limiting blocks are slidably connected to the outer sides of the limiting rods; the bottom of the limiting block is fixedly connected with the top of the base plate, and the buffering mechanism comprises a supporting plate. The coal mining safety protection device solves the problem that the protection effect becomes poor due to the fact that an arc-shaped baffle of an existing device is inconvenient to disassemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of safety protection, especially relates to a coal mining safety protection device. BACKGROUND

[0002] Coal mine is the reasonable space that human excavates when excavating the geological layer rich in coal, usually including roadway, shaft and mining face etc., coal is the luxuriant plant of certain geological age, in the suitable geological environment, gradually accumulates into thick layer, and is buried in the water bottom or silt, forms through the long geological age natural coalification, according to the coalification degree, coal can be divided into peat, lignite, bituminous coal and anthracite four categories, the existing coal winning machine top cover does not have any protective device, and in the mining process, coal blocks can be smashed on the coal winning machine, causing damage to the coal winning machine, which not only has potential safety hazard, but also affects work efficiency.

[0003] The patent document with publication number CN212479227U discloses "a safety protection device for coal mine shaft", which comprises a horizontal plate, a mounting rod fixedly connected to the lower surface of the horizontal plate, four square grooves fixedly connected to the upper surface of the horizontal plate, a sliding block arranged in each square groove, each sliding block being in sliding connection with the square groove, and each left and right sliding block being fixedly connected to the inner wall of the square groove through a first spring. The safety protection device for coal mine shaft further comprises an arc-shaped sliding groove, a sliding rod, a movable plate and a buffer mechanism. When the inclined plate moves, the movable plate and the sliding rod move up and down, and the movable plate moves up and down to be buffered through the buffer mechanism, thereby reducing the impact on the arc-shaped baffle, and solving the problem that the coal blocks in the existing coal mine are smashed on the coal winning machine during mining, thereby causing damage to the coal winning machine.

[0004] The device can make the movable plate move up and down to be buffered through the buffer mechanism, which solves the problem that the coal blocks in the existing coal mine are smashed on the coal winning machine during mining, thereby causing damage to the coal winning machine. However, the arc-shaped baffle as the direct force receiving part may be damaged after being impacted multiple times, and the device is not convenient to disassemble the arc-shaped baffle from the reinforcing plate, therefore, it is necessary to provide a coal mining safety protection device convenient for later maintenance to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a coal mining safety protection device convenient for later maintenance.

[0006] The utility model provides a coal mining safety protection device, including the base plate, the four corners of base plate bottom all are connected with the mounting rod, the inner chamber of base plate is provided with adjusting mechanism, the top of adjusting mechanism is provided with buffer mechanism, the top of buffer mechanism is provided with connecting plate, the outside of connecting plate is provided with connecting mechanism, the top of connecting plate is provided with the protection board.

[0007] As the utility model provides a kind of coal mining safety protection device, preferably, the adjusting mechanism includes adjusting rod, the number of adjusting rod is set to four, the inside of the four adjusting rod is slidably connected with the inner chamber of base plate, the inner chamber of adjusting rod is inserted with limit rod, the outside of limit rod is slidably connected with limit block, the bottom of limit block is fixedly connected with the top of base plate.

[0008] As the utility model provides a kind of coal mining safety protection device, preferably, the buffer mechanism includes support plate, the bottom of support plate is fixedly connected with the top of adjusting rod, the top of support plate is fixedly connected with damper, the top of damper is fixedly connected with the bottom of connecting plate, the outside of damper is provided with spring, one end of spring is welded with the top of support plate, the other end is welded with the bottom of connecting plate.

[0009] As the utility model provides a kind of coal mining safety protection device, preferably, the buffer mechanism further includes auxiliary cylinder, the bottom of auxiliary cylinder is rotationally matched with the top of support plate, the inner chamber of auxiliary cylinder is slidably connected with auxiliary rod, the top of auxiliary rod is rotationally matched with the bottom of connecting plate.

[0010] As the utility model provides a kind of coal mining safety protection device, preferably, the connecting mechanism includes connecting block, the two sides of connecting plate are fixedly connected with connecting block, the inner chamber of connecting block is provided with connecting bolt, the outside of connecting bolt is threadedly connected with connecting seat, one side of connecting seat is fixedly connected with one side of protection board, one side of connecting block is fixedly connected with reinforcing rod, one side of reinforcing rod is fixedly connected with guide block, the two sides of protection board are fixedly connected with guide frame, the outside of guide block is slidably connected with the inner wall of guide frame.

[0011] As the utility model provides a kind of coal mining safety protection device, preferably, the top of protection board is provided with rubber pad, the top of rubber pad is provided with antiskid line.

[0012] As the utility model provides a kind of coal mining safety protection device, preferably, the protection board includes carbon fiber composite board, the outside of carbon fiber composite board is provided with non-newtonian fluid filling layer, the outside of non-newtonian fluid filling layer is provided with honeycomb aluminum buffer layer, the outside of honeycomb aluminum buffer layer is provided with cladding shell.

[0013] Compared with the prior art, the coal mining safety protection device has the beneficial effects that:

[0014] The coal mining safety protection device has the beneficial effects that: the impact object can be blocked by the protection plate, and the protection plate can be buffered by the damper and spring, thereby reducing a part of impact force and improving the protection effect on the coal mining machine. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A preferred embodiment of the coal mining safety protection device provided by the present application is shown in the structure diagram;

[0016] Figure 2 A structure front view of the buffering mechanism of the present application;

[0017] Figure 3 A structure top view of the connecting mechanism of the present application;

[0018] Figure 4 A cross-sectional structure diagram of the protection plate of the present application;

[0019] Figure 5 A side view structure cross-sectional view of the base plate of the present application.

[0020] In the figure, 1 is a base plate, 2 is a mounting rod, 3 is an adjusting mechanism, 301 is an adjusting rod, 302 is a limiting rod, 303 is a limiting block, 4 is a buffering mechanism, 401 is a support plate, 402 is a damper, 403 is a spring, 404 is an auxiliary cylinder, 405 is an auxiliary rod, 5 is a connecting plate, 6 is a connecting mechanism, 601 is a connecting block, 602 is a connecting bolt, 603 is a connecting seat, 604 is a reinforcing rod, 605 is a guide block, 606 is a guide frame, 7 is a protection plate, 701 is a carbon fiber composite plate, 702 is a non-Newtonian fluid filling layer, 703 is a honeycomb aluminum buffer layer, 704 is a cladding shell, and 8 is a rubber pad. DETAILED DESCRIPTION

[0021] The present application will be further described below in combination with the drawings and embodiments.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , wherein Figure 1 A preferred embodiment of the coal mining safety protection device provided by the present application is shown in the structure diagram; Figure 2It is the structure front view of the buffering mechanism of the utility model; Figure 3 It is the structure plan view of the connecting mechanism of the utility model; Figure 4 It is the sectional structure schematic view of the protective plate of the utility model; Figure 5 It is the side structure sectional view of the base plate of the utility model. A coal mining safety protection device, including base plate 1, the four corners of the bottom of base plate 1 are fixedly connected with mounting rod 2, the inner chamber of base plate 1 is provided with adjusting mechanism 3, the top of adjusting mechanism 3 is provided with buffering mechanism 4, the top of buffering mechanism 4 is provided with connecting plate 5, the outer side of connecting plate 5 is provided with connecting mechanism 6, the top of connecting plate 5 is provided with protective plate 7.

[0023] In the embodiment: through mounting rod 2, the device can be installed on the top of coal mining machine.

[0024] As a technical optimization scheme of the utility model, adjusting mechanism 3 includes adjusting rod 301, the number of adjusting rod 301 is set to four, the outer side of the four adjusting rods 301 is slidably connected with the inner chamber of base plate 1, the inner chamber of adjusting rod 301 is inserted with limiting rod 302, the outer side of limiting rod 302 is slidably connected with limiting block 303, the bottom of limiting block 303 is fixedly connected with the top of base plate 1.

[0025] In the embodiment: after the device is installed, the height of connecting plate 5 can be adjusted by pulling out limiting rod 302 from adjusting rod 301, so that the device can be applied to narrower environment, after adjusting, limiting rod 302 is returned to the original position and inserted into the corresponding adjusting hole of adjusting rod 301, the top of base plate 1 is fixedly connected with support groove block, which can support limiting rod 302, thereby improving the stability of limiting rod 302.

[0026] As a technical optimization scheme of the utility model, buffering mechanism 4 includes support plate 401, the bottom of support plate 401 is fixedly connected with the top of adjusting rod 301, the top of support plate 401 is fixedly connected with damper 402, the top of damper 402 is fixedly connected with the bottom of connecting plate 5, the outer side of damper 402 is provided with spring 403, one end of spring 403 is welded with the top of support plate 401, the other end is welded with the bottom of connecting plate 5;

[0027] Buffering mechanism 4 further includes auxiliary cylinder 404, the bottom of auxiliary cylinder 404 is rotationally connected with the top of support plate 401, the inner chamber of auxiliary cylinder 404 is slidably connected with auxiliary rod 405, the top of auxiliary rod 405 is rotationally connected with the bottom of connecting plate 5.

[0028] In the embodiment, when an external object hits, the protective plate 7 can block the impact object, and at the same time, the damper 402 cooperates with the spring 403 to buffer the protective plate 7, reduce a part of impact force, and further improve the protection effect on the coal mining machine, and through the setting of the auxiliary cylinder 404, the auxiliary rod 405 and the second spring 406, the damper 402 and the spring 403 can assist in buffering the protective plate 7.

[0029] As a technical optimization scheme of the utility model, the connecting mechanism 6 includes a connecting block 601, both sides of the connecting plate 5 are fixedly connected with the connecting block 601, the inner cavity of the connecting block 601 is provided with a connecting bolt 602, the outer side of the connecting bolt 602 is threadedly connected with a connecting seat 603, one side of the connecting seat 603 is fixedly connected with one side of the protective plate 7, one side of the connecting block 601 is fixedly connected with a reinforcing rod 604, one side of the reinforcing rod 604 is fixedly connected with a guide block 605, both sides of the protective plate 7 are fixedly connected with a guide frame 606, and the outer side of the guide block 605 is slidably connected with the inner wall of the guide frame 606.

[0030] In the embodiment, when the protective plate 7 is damaged, the user can rotate the connecting bolt 602 to make the connecting bolt 602 move out of the connecting seat 603, so that the fixing of the protective plate 7 is released, and the user can conveniently replace the damaged protective plate 7, and the setting of the guide frame 606 and the guide block 605 improves the structural stability of the protective plate 7.

[0031] As a technical optimization scheme of the utility model, the top of the protective plate 7 is provided with a rubber pad 8, and the top of the rubber pad 8 is provided with anti-skid lines.

[0032] In the embodiment, the rubber pad 8 is arranged on the top of the protective plate 7, so that the impact force of the impact object on the protective plate 7 can be reduced.

[0033] As a technical optimization scheme of the utility model, the protective plate 7 includes a carbon fiber composite plate 701, the outer side of the carbon fiber composite plate 701 is provided with a non-Newtonian fluid filling layer 702, the outer side of the non-Newtonian fluid filling layer 702 is provided with a honeycomb aluminum buffer layer 703, and the outer side of the honeycomb aluminum buffer layer 703 is provided with a cladding shell 704.

[0034] In the embodiment, the protective plate 7 is composed of the carbon fiber composite plate 701, the non-Newtonian fluid filling layer 702, the honeycomb aluminum buffer layer 703 and the cladding shell 704, the inner layer support structure is formed by the carbon fiber composite plate 701, the overall weight of the protective plate 7 can be reduced, and at the same time, the protective plate 7 has a certain structural strength, the honeycomb aluminum buffer layer 703 is arranged, when a strong impact is received, the structural deformation of the honeycomb aluminum buffer layer 703 can be utilized to absorb impact kinetic energy, so that the protection effect of the device is improved.

[0035] The working principle of the coal mining safety protection device is as follows:

[0036] When the device is used, the device can be installed on the top of the coal mining machine through the mounting rod 2. When an external object hits, the protective plate 7 can block the impact object, and at the same time, the damper 402 cooperates with the spring 403 to buffer the protective plate 7, thereby reducing a part of the impact force, and further improving the protection effect on the coal mining machine. By setting the auxiliary cylinder 404, the auxiliary rod 405 and the second spring 406, the damper 402 and the spring 403 can assist in buffering the protective plate 7. When the protective plate 7 is damaged, the user can rotate the connecting bolt 602 to make the connecting bolt 602 move out of the connecting seat 603, thereby releasing the fixing of the protective plate 7, and facilitating the user to replace the damaged protective plate 7.

[0037] The above is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection range of the present application.

Claims

1. A safety device for coal mining, characterised in that, The application relates to a base plate (1) which is fixedly connected with mounting rods (2) at the four corners of the bottom, and is provided with an adjusting mechanism (3) in the inner cavity, the top of the adjusting mechanism (3) is provided with a buffer mechanism (4), the top of the buffer mechanism (4) is provided with a connecting plate (5), the outer side of the connecting plate (5) is provided with a connecting mechanism (6), and the top of the connecting plate (5) is provided with a protective plate (7).

2. The coal mining safety shield of claim 1, wherein, The adjusting mechanism (3) comprises adjusting rods (301), the number of the adjusting rods (301) is four, the outer sides of the four adjusting rods (301) are slidably connected with the inner cavity of the base plate (1), the inner cavity of the adjusting rod (301) is provided with a limiting rod (302), the outer side of the limiting rod (302) is slidably connected with a limiting block (303), and the bottom of the limiting block (303) is fixedly connected with the top of the base plate (1).

3. The coal mining safety shield of claim 2, wherein, The buffer mechanism (4) comprises a supporting plate (401), the bottom of the supporting plate (401) is fixedly connected with the top of the adjusting rod (301), the top of the supporting plate (401) is fixedly connected with a damper (402), the top of the damper (402) is fixedly connected with the bottom of the connecting plate (5), the outer side of the damper (402) is provided with a spring (403), one end of the spring (403) is welded with the top of the supporting plate (401), and the other end is welded with the bottom of the connecting plate (5).

4. The coal mining safety shield of claim 3, wherein, The buffer mechanism (4) further comprises an auxiliary cylinder (404), the bottom of the auxiliary cylinder (404) is rotationally matched with the top of the supporting plate (401), and the inner cavity of the auxiliary cylinder (404) is slidably connected with an auxiliary rod (405).

5. The coal mining safety shield of claim 1, wherein, The connecting mechanism (6) comprises a connecting block (601), the two sides of the connecting plate (5) are fixedly connected with the connecting block (601), the inner cavity of the connecting block (601) is provided with a connecting bolt (602), the outer side of the connecting bolt (602) is threadedly connected with a connecting seat (603), one side of the connecting seat (603) is fixedly connected with one side of the protective plate (7), one side of the connecting block (601) is fixedly connected with a reinforcing rod (604), one side of the reinforcing rod (604) is fixedly connected with a guide block (605), the two sides of the protective plate (7) are fixedly connected with guide frames (606), and the outer side of the guide block (605) is slidably connected with the inner wall of the guide frame (606).

6. The coal mining safety shield of claim 1, wherein, The top of the protective plate (7) is provided with a rubber pad (8), and the top of the rubber pad (8) is provided with anti-skid lines.

7. The coal mining safety shield of claim 1, wherein, The protective plate (7) comprises a carbon fiber composite plate (701), the outer side of the carbon fiber composite plate (701) is provided with a non-Newtonian fluid filling layer (702), the outer side of the non-Newtonian fluid filling layer (702) is provided with a honeycomb aluminum buffer layer (703), and the outer side of the honeycomb aluminum buffer layer (703) is provided with a cladding shell (704).

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