Coal mine working face supporting device

Abstract

The utility model provides a coal mine working face supporting device, belongs to the technical field of coal mine safety production, and aims to solve the problems that an existing coal mine working face supporting device is too tedious to disassemble and assemble and is too heavy and tedious when the supporting device needs to be disassembled and moved. A supporting top plate is included; the number of the supporting side edge plates is two, and the two supporting side edge plates are hinged to the two sides of the supporting top plate; the multiple sets of transmission plates are arranged, and the multiple sets of transmission plates are arranged on the upper portion of the supporting top plate; the multiple sets of first hydraulic rods are arranged, and the multiple sets of first hydraulic rods are arranged at the bottom of the supporting top plate; the number of the supporting bases is two, and the two supporting bases are fixedly installed at the bottom of the first hydraulic rod; the quick release assembly is arranged below the supporting top plate; and the warning assembly is arranged in the supporting top plate. The utility model has the advantages of convenient to use, quick to assemble and disassemble, timely prompt and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mine production safety, and more specifically, particularly relates to a coal mine working face supporting device. Background Art

[0002] In the process of safe production in coal mines, it is necessary to ensure the safety and smooth flow of the working face, prevent the collapse of the rock layer directly above the working space, protect the working space, and ensure that coal mining work can be carried out normally and safely. When protecting the working face, a coal mine working face support device is needed. Most of the existing coal mine working face support devices support the working face by building metal pillars and upper roof plates, and protect the working face through metal pillars and upper roof plates.

[0003] Existing application number CN202021064233.5 The utility model discloses a temporary support device for the roof of a coal mine excavation working face, including a bottom column, an inner groove and a support plate, an inner groove is opened on the upper inner side of the bottom column, and a support column is connected to the inner groove, and a handle is fixed on the upper outer surface of the support column, a first fixing bolt is connected to the inner side of the bottom column, and a connecting sleeve is fixed to the bottom outer side of the bottom column, a support rod is connected to the top of the support column, and a second fixing bolt is connected to the bottom of the connecting rod, and an assembly block is arranged on the outer side of the support plate, and a positioning piece is connected to the assembly block. The temporary support device for the roof of a coal mine excavation working face is provided with a support column with a serrated inner surface and a first fixing bolt, and the support column can be slid inside the bottom column by pulling the handle upward, and cooperate with the use of the first fixing bolt to facilitate the fixation of the support column after adjustment, thereby facilitating the device to adapt to mines of different heights.

[0004] Based on the above, the existing coal mine working face support device is too complicated to disassemble and assemble, and it is too heavy and cumbersome to dismantle and move the support device, which affects the efficiency of coal mine mining. In addition, the slag falling from the top rock layer is not easy to be discovered in time, and too much slag falling can easily cause collapse, affecting the safe production of coal mines. Utility Model Content

[0005] In order to solve the above-mentioned technical problems, the utility model provides a coal mine working face support device to solve the problems that the existing coal mine working face support device is too complicated to disassemble and assemble, and is too heavy and cumbersome when it needs to be dismantled and moved, thus affecting the coal mine mining efficiency, and the slag falling from the top rock layer is difficult to be discovered in time, and too much slag falling can easily cause collapse, thus affecting the safe production of the coal mine.

[0006] The purpose and effect of the coal mine working face support device of the utility model are achieved by the following specific technical means:

[0007] A coal mine working face support device, comprising a support roof;

[0008] Support side plates, wherein two groups of support side plates are provided, and the two groups of support side plates are hinged on both sides of the support top plate;

[0009] Transmission plates, wherein the transmission plates are provided in multiple groups, and the multiple groups of transmission plates are arranged on the upper part of the supporting top plate;

[0010] A first hydraulic rod, wherein the first hydraulic rod is provided in multiple groups, and the multiple groups of first hydraulic rods are arranged at the bottom of the supporting top plate;

[0011] A support base, wherein the support base is provided in two groups, and the two groups of support bases are fixedly mounted at the bottom of the first hydraulic rod;

[0012] A quick-release assembly, wherein the quick-release assembly is arranged below the supporting top plate;

[0013] A warning component is arranged inside the supporting top plate.

[0014] Furthermore, the quick-release assembly includes:

[0015] A second hydraulic rod, one end of which is hinged to the bottom of the supporting top plate, and the other end of which is hinged to the inner side of the supporting side plate;

[0016] A protective side plate, the protective side plate is fixedly mounted on one side of the supporting base;

[0017] A fixing hole is provided inside the supporting base.

[0018] Furthermore, the quick-release assembly includes:

[0019] Sliding grooves are provided on the tops of the plurality of groups of first hydraulic rods;

[0020] Sliding blocks, wherein the sliding blocks are provided in a plurality of groups, and each two groups of sliding blocks are slidably connected inside a group of sliding grooves;

[0021] The limiting hooks are provided in multiple groups, and each group of limiting hooks is fixedly installed on the top of each group of sliding blocks.

[0022] Furthermore, the quick-release assembly includes:

[0023] A bidirectional driving thread, wherein the bidirectional driving thread is rotatably connected inside the sliding groove, and the bidirectional driving thread is connected inside the two sets of sliding blocks through threads at both ends;

[0024] A knob is fixedly mounted on the top of the bidirectional drive thread.

[0025] Furthermore, the quick-release assembly includes:

[0026] A splicing seat, wherein the splicing seat is provided with multiple groups, and the multiple groups of splicing seats are fixedly installed at the bottom of the supporting top plate;

[0027] Convex splicing grooves are arranged inside the plurality of splicing seats.

[0028] Furthermore, the warning component includes:

[0029] Friction shock absorbers, wherein the friction shock absorbers are provided in multiple groups, multiple groups of friction shock absorbers are fixedly installed inside the supporting top plate, and multiple groups of friction shock absorbers are fixedly installed at the bottom of the transmission plate;

[0030] Gravity sensors are provided in multiple groups, and the multiple groups of gravity sensors are fixedly installed in the middle position between the supporting top plate and the multiple groups of transmission plates.

[0031] Furthermore, the warning component also includes:

[0032] A fixing plate, the fixing plate being fixedly mounted on the bottom of the supporting top plate;

[0033] Warning lights are provided in multiple groups, and the multiple groups of warning lights are fixedly installed inside the fixing plate. The warning lights and gravity sensors form a switch circuit through the circuit.

[0034] Compared with the prior art, the utility model has the following beneficial effects:

[0035] First of all, the utility model has a quick-release assembly, which allows the first hydraulic rod and the splicing seat to be quickly assembled by turning the knob, greatly improving the efficiency of disassembly and assembly of the support top plate. Disassembling the branch support top plate reduces the weight and volume of the device, making it convenient to use small transportation equipment to move the device, avoiding the inconvenience of large transportation equipment entering the working surface for construction, and making it convenient for one person to turn the knob without using tools, greatly improving the ease of use of the device.

[0036] Secondly, the utility model has a warning component, which cushions the impact force on the transmission plate through a friction shock absorber to prevent the gravity sensor from being damaged by a large impact. When the gravity sensor measures that the pressure on the transmission plate reaches a set threshold, the relative warning light flashes to prompt the staff to check the position of the transmission plate in time to avoid collapse accidents.

[0037] The utility model has the advantages of easy use, quick disassembly and assembly, and timely prompts, which greatly improves the support stability of the device and is convenient for disassembling and moving the device, greatly improves the support efficiency of the working face, and provides timely prompts to avoid collapse accidents, effectively improving the safety production of coal mines. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0039] Figure 2It is a schematic diagram of the supporting side plate structure of the utility model.

[0040] Figure 3 It is a schematic diagram of the transmission plate structure of the utility model.

[0041] Figure 4 It is a structural schematic diagram of the support base of the utility model.

[0042] Figure 5 It is a schematic diagram of the first hydraulic rod structure of the utility model.

[0043] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0044] 1. Support top plate; 101. Fixed plate; 102. Warning light; 103. Joint seat; 104. Convex joint groove; 2. Support side plate; 201. Second hydraulic rod; 3. Transmission plate; 301. Gravity sensor; 302. Friction shock absorber; 4. First hydraulic rod; 401. Sliding groove; 402. Sliding block; 403. Limit hook; 404. Knob; 405. Two-way drive thread; 5. Support base; 501. Protective side plate; 502. Fixing hole. DETAILED DESCRIPTION

[0045] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention. Embodiment 1:

[0046] As attached Figure 1 To Attachment Figure 5 As shown:

[0047] The utility model provides a coal mine working face support device, comprising a support top plate 1;

[0048] Support side panels 2, two groups of support side panels 2 are provided, and the two groups of support side panels 2 are hinged on both sides of the support top panel 1;

[0049] A transmission plate 3, wherein the transmission plate 3 is provided with multiple groups, and the multiple groups of transmission plates 3 are arranged on the upper part of the supporting top plate 1;

[0050] A first hydraulic rod 4, wherein a plurality of first hydraulic rods 4 are provided, and the plurality of first hydraulic rods 4 are provided at the bottom of the supporting top plate 1;

[0051] Support base 5, the support base 5 is provided with two groups, and the two groups of support base 5 are fixedly installed at the bottom of the first hydraulic rod 4;

[0052] A quick-release assembly is arranged below the supporting top plate 1 .

[0053] The quick-release components include:

[0054] A second hydraulic rod 201, one end of the second hydraulic rod 201 is hinged to the bottom of the supporting top plate 1, and the other end of the second hydraulic rod 201 is hinged to the inner side of the supporting side plate 2;

[0055] A protective side plate 501, the protective side plate 501 is fixedly mounted on one side of the supporting base 5;

[0056] The fixing hole 502 is provided inside the supporting base 5; the function is to fix the supporting base 5 to the working surface by means of anchor rods, bolts, etc. through the fixing hole 502; the protective side plate 501 protects the first hydraulic rod 4 to prevent the first hydraulic rod 4 from being damaged by gravel rolling down from the side; the height position of the supporting top plate 1 is adjusted by lifting and lowering the first hydraulic rod 4, so that the supporting top plate 1 is closer to the top of the working surface; the supporting side plate 2 is extended or retracted by the second hydraulic rod 201 to expand or fold; the supporting side plate 2 is expanded to form an inclined plane, thereby increasing the protection range of the supporting top plate 1 and facilitating gravel rolling down from the top of the supporting top plate 1 to both sides, thereby reducing the pressure on the supporting top plate 1.

[0057] The quick-release components include:

[0058] Sliding grooves 401, which are provided on the tops of the plurality of first hydraulic rods 4;

[0059] Sliding blocks 402, wherein the sliding blocks 402 are provided in a plurality of groups, and each two groups of sliding blocks 402 are slidably connected inside a group of sliding grooves 401;

[0060] The limit hooks 403 are provided with multiple groups, and each group of limit hooks 403 is fixedly installed on the top of each group of sliding blocks 402; the function is to move the sliding block 402, the sliding block 402 slides inside the sliding groove 401, and the movement of the sliding block 402 drives the limit hooks 403 to move.

[0061] The quick-release components include:

[0062] A two-way driving thread 405, the two-way driving thread 405 is rotatably connected to the inside of the sliding groove 401, and the two-way driving thread 405 is connected to the inside of the two sets of sliding blocks 402 through threads at both ends;

[0063] The knob 404 is fixedly mounted on the top of the bidirectional drive thread 405 . The knob 404 drives the bidirectional drive thread 405 to rotate inside the sliding groove 401 by rotating the knob 404 .

[0064] The quick-release components include:

[0065] The splicing seat 103 is provided with multiple groups, and the multiple groups of splicing seats 103 are fixedly installed at the bottom of the supporting top plate 1;

[0066] The convex splicing groove 104 is arranged inside the plurality of splicing seats 103 ; the function of the convex splicing groove 104 is to extend the limiting hook 403 into the convex splicing groove 104 to limit the first hydraulic rod 4 and the splicing seat 103 .

[0067] The specific usage and function of this embodiment are as follows:

[0068] When it is necessary to disassemble and assemble the first hydraulic rod 4 and the splicing seat 103, turn the knob 404, and the knob 404 drives the two-way driving thread 405 to rotate inside the sliding groove 401. The two-way driving thread 405 drives the two groups of sliding blocks 402 to slide relatively inside the sliding groove 401 through the threads in opposite directions at both ends. The movement of the sliding block 402 drives the limiting hook 403 to move. When the two groups of limiting hooks 403 move toward the inside of the sliding groove 401, the two groups of limiting hooks 403 can pass through the convex splicing groove 104, so that the first hydraulic rod 4 and the splicing seat 103 can be quickly assembled. When the two groups of limiting hooks 403 move toward the outside of the sliding groove 401, the two groups of limiting hooks 403 are hooked into the inside of the splicing seat 103, so that the first hydraulic rod 4 and the splicing seat 103 are firmly installed together, which plays a role in the rapid installation of the support top plate 1. Embodiment 2:

[0069] Based on the first embodiment, Figures 1 to 5 As shown, it also includes:

[0070] A warning component is arranged inside the supporting top plate 1 .

[0071] The warning components include:

[0072] Friction shock absorbers 302, multiple groups of friction shock absorbers 302 are provided, multiple groups of friction shock absorbers 302 are fixedly installed inside the supporting top plate 1, and multiple groups of friction shock absorbers 302 are fixedly installed at the bottom of the transmission plate 3;

[0073] Gravity sensor 301, there are multiple groups of gravity sensors 301, and the multiple groups of gravity sensors 301 are fixedly installed in the middle position between the supporting top plate 1 and the multiple groups of transmission plates 3; the function is that when the gravel on the top of the working surface falls to the upper part of the transmission plate 3, the friction shock absorber 302 buffers the impact force on the transmission plate 3 to avoid damage to the gravity sensor 301, and the gravity sensor 301 measures the pressure on the transmission plate 3.

[0074] The warning components also include:

[0075] A fixing plate 101, the fixing plate 101 is fixedly installed at the bottom of the supporting top plate 1;

[0076] Warning lights 102, there are multiple groups of warning lights 102, and the multiple groups of warning lights 102 are fixedly installed inside the fixed plate 101. The warning lights 102 and the gravity sensor 301 form a switching circuit through the line; the function is that when the gravity sensor 301 measures that the pressure on the transmission plate 3 reaches the set threshold, the switching circuit is connected, so that the relative warning lights 102 flash to alert the staff.

[0077] The specific usage and function of this embodiment are as follows:

[0078] When the gravel on the top of the working surface falls onto the upper part of the transmission plate 3, the friction shock absorber 302 buffers the impact force on the transmission plate 3 to prevent the gravity sensor 301 from being damaged. The gravity sensor 301 measures the pressure on the transmission plate 3. When the gravity sensor 301 measures that the pressure on the transmission plate 3 reaches the set threshold, the switch circuit is connected, causing the corresponding warning light 102 to flash to alert the staff.

[0079] In this article, there are a few points to note:

[0080] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0081] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0082] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A coal mine working face support device, the coal mine working face support device comprising a support roof (1); characterized in that: Support side plates (2), wherein the support side plates (2) are provided in two groups, and the two groups of support side plates (2) are hinged on both sides of the support top plate (1); transmission plates (3), wherein the transmission plates (3) are provided in multiple groups, and the multiple groups of transmission plates (3) are arranged on the upper part of the support top plate (1); first hydraulic rods (4), wherein the first hydraulic rods (4) are provided in multiple groups, and the multiple groups of first hydraulic rods (4) are arranged at the bottom of the support top plate (1); support bases (5), wherein the support bases (5) are provided in two groups, and the two groups of support bases (5) are fixedly installed at the bottom of the first hydraulic rods (4); quick-release components, wherein the quick-release components are arranged below the support top plate (1); and warning components, wherein the warning components are arranged inside the support top plate (1).

2. A coal mine working face support device as claimed in claim 1, characterized in that: The quick-release assembly comprises: a second hydraulic rod (201), a protective side plate (501) and a fixing hole (502); one end of the second hydraulic rod (201) is hinged to the bottom of the supporting top plate (1), and the other end of the second hydraulic rod (201) is hinged to the inner side of the supporting side plate (2); the protective side plate (501) is fixedly mounted on one side of the supporting base (5); and the fixing hole (502) is provided inside the supporting base (5).

3. A coal mine working face support device as claimed in claim 2, characterized in that: The quick-release assembly comprises: a sliding groove (401), a sliding block (402) and a limiting hook (403); the sliding groove (401) is provided at the top of a plurality of groups of first hydraulic rods (4); a plurality of groups of sliding blocks (402) are provided, and every two groups of sliding blocks (402) are slidably connected inside a group of sliding grooves (401); and a plurality of groups of limiting hooks (403) are provided, and each group of limiting hooks (403) is fixedly installed at the top of each group of sliding blocks (402).

4. A coal mine working face support device as claimed in claim 2, characterized in that: The quick-release assembly comprises: a bidirectional drive thread (405) and a knob (404); the bidirectional drive thread (405) is rotatably connected inside the sliding groove (401); the bidirectional drive thread (405) is connected inside the two sets of sliding blocks (402) via threads at both ends; and the knob (404) is fixedly mounted on the top of the bidirectional drive thread (405).

5. A coal mine working face support device as claimed in claim 2, characterized in that: The quick-release assembly comprises: a splicing seat (103) and a convex splicing groove (104); the splicing seat (103) is provided in multiple groups, and the multiple groups of splicing seats (103) are fixedly installed on the bottom of the supporting top plate (1); and the convex splicing groove (104) is opened inside the multiple groups of splicing seats (103).

6. A coal mine working face support device as claimed in claim 1, characterized in that: The warning component comprises: a friction damper (302) and a gravity sensor (301); the friction damper (302) is provided in multiple groups, the multiple groups of friction dampers (302) are fixedly mounted inside the supporting top plate (1), and the multiple groups of friction dampers (302) are fixedly mounted at the bottom of the transmission plate (3); and the gravity sensor (301) is provided in multiple groups, the multiple groups of gravity sensors (301) are fixedly mounted at a position between the supporting top plate (1) and the multiple groups of transmission plates (3).

7. A coal mine working face support device as claimed in claim 6, characterized in that: The warning component further comprises: a fixing plate (101) and a warning light (102); the fixing plate (101) is fixedly mounted on the bottom of the supporting top plate (1); a plurality of groups of warning lights (102) are provided, and the plurality of groups of warning lights (102) are fixedly mounted inside the fixing plate (101); the warning lights (102) and the gravity sensor (301) form a switch circuit via a circuit.

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