Connecting component of supporting equipment for coal mining

Abstract

The utility model discloses a connecting component of supporting equipment for coal mining, and relates to the technical field of coal mining. The device comprises two supporting frames, two bases are arranged at the bottoms of the two supporting frames, a baffle is arranged at the top of each supporting frame, the top of each baffle is in an arc shape, two connecting assemblies are arranged on the sides, close to each other, of the two supporting frames, and the two connecting assemblies are symmetrically arranged. The connecting assembly comprises two first connecting rods. The connecting assembly is arranged, specifically, the inserting rod is inserted into the circular hole formed in the side wall of the supporting frame, the inserting rod is fixed through the plug pin, the rotating angle of the first connecting rod and the rotating angle of the second connecting rod are adjusted according to the distance between the supporting frames on the two sides, and therefore the length of the connecting piece is adjusted; the supporting frame can meet the supporting requirements of different intervals, the workload of additional adjustment due to the fact that the intervals of the supporting frame are not appropriate is reduced, and the construction efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mining technical field, especially, relate to a kind of connecting component of supporting equipment for coal mining. BACKGROUND

[0002] In the process of coal mining, roadway excavation and coal seam mining will damage the original geological structure, leading to instability and collapse of roadway surrounding rock. To ensure the safety and efficiency of the mining process, appropriate support measures must be taken to reinforce the roadway and coal seam roof. Supporting equipment, as an important part of coal mining, its performance and connection method directly affect the supporting effect and mining safety.

[0003] Supporting equipment is usually composed of independent individuals. Two adjacent supporting equipment are mostly connected by connecting components to improve the stability of supporting equipment. However, the connecting components on the market are usually produced in sets, and the length of the connecting components is mostly fixed. When the spacing position of supporting equipment is not uniform, the position of supporting equipment needs to be adjusted or replaced with connecting components of other length, which increases the difficulty and working hours of construction and may cause some connecting components to be wasted due to the inability to match the actual use requirements. Therefore, we propose a connecting component of supporting equipment for coal mining. SUMMARY

[0004] The utility model aims at providing a kind of connecting component of supporting equipment for coal mining, by setting connecting assembly, thereby adjusting the length of connecting piece, so that support frame can adapt to the support demand of different spacing, reduce the workload that needs to be adjusted additionally due to the inappropriateness of support frame spacing, help to improve construction efficiency, solve the problem that the length of existing connecting component is mostly fixed, when the spacing position of supporting equipment is not uniform, the position of supporting equipment needs to be adjusted or replaced with connecting components of other length, which increases the difficulty and working hours of construction and may cause some connecting components to be wasted due to the inability to match the actual use requirements.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a kind of connecting component of supporting equipment for coal mining, including two support frames, the bottom of two support frames is provided with two bases, the top of support frame is provided with baffle, the top of baffle is arc shape, the design of arc baffle can better disperse the pressure of coal roof on baffle, improve the ability of baffle to bear pressure;

[0007] Two sides of the two support frames close to each other are provided with two connecting assemblies, the two connecting assemblies are symmetrically arranged, the connecting assembly comprises two connecting rods one, the two connecting rods one are hingedly connected through a pin shaft at one end close to each other, the two connecting rods one are both hingedly connected with a connecting rod two at one end away from each other, the two connecting rods two are hingedly connected through a pin shaft at one end close to each other, the side walls of the two support frames are both inserted with an insertion rod, the side of the two insertion rods close to the connecting rod one is fixedly connected with a flat plate, the side of the two flat plates close to the connecting rod one is rotatably connected with the two connecting rods one away from each other, the side of the two flat plates close to the connecting rod two is rotatably connected with the two connecting rods two away from each other, the end of the two insertion rods away from the flat plate extends to the outside through the side wall of the support frame, the extending end of the two insertion rods is inserted with a plug, the insertion rod is inserted into the circular hole provided in the side wall of the support frame, and then the plug fixes the insertion rod, according to the distance between the two support frames, the rotating angle of the connecting rod one and the connecting rod two is adjusted, so that the length of the connecting piece is adjusted, the support frame can adapt to the support requirement of different distances, the workload of additional adjustment due to the unsuitable distance between the support frames is reduced, and the construction efficiency is improved.

[0008] Further, the hinged parts of the two connecting rods one are fixedly connected with a sliding rod one through a pin shaft, the hinged parts of the two connecting rods two are fixedly connected with a sliding rod two through a pin shaft, the side of the sliding rod one close to the sliding rod two is fixedly connected with a sliding block, when the connecting rod one and the connecting rod two are rotated and adjusted, the distance between the end parts also increases or decreases, the sliding block at the end part of the sliding rod one slides on the inner wall of the sliding rod two, and the sliding block prevents the sliding rod one from being separated from the inside of the sliding rod two, so that instability is caused.

[0009] Further, the outer surface of the sliding block is in sliding connection with the inner wall of the sliding rod two, the side of the sliding rod two close to the sliding rod one is fixedly connected with a bolt, the outer surface of the bolt is threadedly connected with a nut, the bolt is fixed on the inner wall of the sliding rod one by rotating the nut clockwise, so that the sliding rod one and the sliding rod two are fixed and cannot slide, the overall connecting structure is fixed and cannot be adjusted, and the overall rigidity of the entire support system is enhanced.

[0010] Further, the inside of the support frame is provided with an adjusting assembly, the adjusting assembly comprises a motor fixedly connected to the right side of the support frame, the output end of the motor is fixedly connected with a bidirectional threaded rod, the left side and the right side of the bidirectional threaded rod are rotatably connected with the inner wall of the support frame, the outer surface of the bidirectional threaded rod is threadedly connected with two moving blocks, the two moving blocks are symmetrically arranged, and as the bidirectional threaded rod rotates, the two moving blocks on the surface of the bidirectional threaded rod move away from each other, so that the synchronous movement effect of the moving blocks is achieved.

[0011] Further, the top of the support frame is provided with a square groove, the outer surfaces of the two moving blocks are slidably connected with the inner walls of the square groove, the top of the support frame is fixedly connected with a fixing frame, the top of the fixing frame is provided with two penetrating holes, the inner walls of the two penetrating holes are slidably connected with push rods, and the top of the two push rods is fixedly connected with the bottom of the baffle.

[0012] Further, the side walls of the two moving blocks are provided with inclined grooves, the inner walls of the two inclined grooves are slidably connected with limiting blocks, and the ends, away from the moving blocks, of the two limiting blocks are fixedly connected with the bottom of the push rod.

[0013] The utility model has the following beneficial effects:

[0014] The utility model discloses a connecting assembly is set up, specifically is with the round hole of the support frame side wall is inserted into the inside, immediately the bolt will be fixed with the insertion rod, according to the distance between the support frame of both sides, the rotation angle of connecting rod one and connecting rod two is adjusted, thereby the length of connecting piece is adjusted, so that the support frame can adapt to the support demand of different spacing, reduce the workload of the additional adjustment because of the unsuitable spacing of support frame, help to improve construction efficiency.

[0015] The utility model discloses a adjusting assembly is set up, with the moving block of both sides is driven on the surface of two -way screw rod each other away along with two -way screw rod rotation, the side wall of the moving block of both sides is provided with inclined groove, along with the movement of the limiting block, the push rod is slid in the inside of the inclined groove through the limiting block, the push rod will be pushed up by the moving block through the limiting block, the push rod of both sides is driven baffle to support the top of mine in the up -moving of simultaneously, the design of arc baffle can better disperse the pressure of coal mine roof to baffle, and the lift type baffle can be adjusted according to the actual situation of the top of mine, ensure the stability and reliability of support structure, reduce the risk of support failure.

[0016] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the connection assembly structure schematic view of the utility model;

[0020] Figure 3 It is the utility model Figure 2 The structure enlarged schematic view of A in the middle;

[0021] Figure 4 It is the adjustment assembly structure schematic view of the utility model;

[0022] Figure 5 It is the utility model Figure 4 The structure enlarged schematic view of B in the middle.

[0023] In the drawing, the component list represented by each sign is as follows:

[0024] 1, support frame;101, base;102, baffle;2, connection assembly;201, connecting rod one;202, connecting rod two;203, flat plate;204, insertion rod;205, bolt;301, slide rod one;302, slide rod two;303, slide block;304, bolt;305, nut;4, adjustment assembly;401, moving block;402, two-way threaded rod;403, motor;404, fixing frame;405, inclined groove;406, limit block;407, push rod. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-5 The utility model discloses a kind of connection components of supporting equipment for coal mining, including two support frames 1, the bottom of two support frames 1 is provided with two bases 101, the top of support frame 1 is provided with baffle 102, the top of baffle 102 is arc shape;

[0027] Two connecting assemblies 2 are arranged on the side of the two support frames 1 close to each other, the two connecting assemblies 2 are symmetrically arranged, the connecting assembly 2 comprises two connecting rods one 201, the two connecting rods one 201 are hingedly connected through a pin shaft at one end close to each other, the two connecting rods one 201 are both hingedly connected with connecting rods two 202 at one end away from each other, the two connecting rods two 202 are hingedly connected through a pin shaft at one end close to each other, the side wall of the two support frames 1 is inserted with two insertion rods 204, the side of the two insertion rods 204 close to the connecting rod one 201 is fixedly connected with a flat plate 203, the side of the two flat plates 203 close to the connecting rod one 201 is rotatably connected with the two connecting rods one 201 away from each other, the side of the two flat plates 203 close to the connecting rod two 202 is rotatably connected with the two connecting rods two 202 away from each other, the end of the two insertion rods 204 away from the flat plate 203 extends to the outside through the side wall of the support frame 1, the extending end of the two insertion rods 204 is inserted with an insertion pin 205, by arranging the connecting assembly 2, specifically inserting the insertion rod 204 into the circular hole arranged on the side wall of the support frame 1, and then fixing the insertion rod 204 with the insertion pin 205, according to the distance between the two support frames 1, the rotating angle of the connecting rod one 201 and the connecting rod two 202 is adjusted, so that the length of the connecting piece is adjusted, so that the support frame can adapt to the support requirement of different distances, and the workload of additional adjustment due to the inappropriate distance between the support frames is reduced, which helps to improve the construction efficiency.

[0028] The hinged part of the two connecting rods one 201 is fixedly connected with a sliding rod one 301 through a pin shaft, the hinged part of the two connecting rods two 202 is fixedly connected with a sliding rod two 302 through a pin shaft, and the side of the sliding rod one 301 close to the sliding rod two 302 is fixedly connected with a sliding block 303.

[0029] The outer surface of the sliding block 303 is slidably connected with the inner wall of the sliding rod two 302, the side of the sliding rod two 302 close to the sliding rod one 301 is fixedly connected with a bolt 304, and the outer surface of the bolt 304 is threadedly connected with a nut 305.

[0030] The inside of the support frame 1 is provided with an adjusting assembly 4, the adjusting assembly 4 comprises a motor 403 fixedly connected to the right side of the support frame 1, and the output end of the motor 403 is fixedly connected with a bidirectional threaded rod 402.

[0031] The left side and the right side of the bidirectional threaded rod 402 are rotatably connected with the inner wall of the support frame 1, the outer surface of the bidirectional threaded rod 402 is threadedly connected with two moving blocks 401, and the two moving blocks 401 are symmetrically arranged.

[0032] The top of the support frame 1 is provided with a square groove, the outer surfaces of the two moving blocks 401 are in sliding connection with the inner walls of the square groove, the top of the support frame 1 is fixedly connected with a fixed frame 404, the top of the fixed frame 404 is provided with two penetrating holes, the inner walls of the two penetrating holes are in sliding connection with push rods 407, and the top of each push rod 407 is fixedly connected with the bottom of the baffle 102.

[0033] The side walls of the two moving blocks 401 are provided with inclined grooves 405, the inner walls of the two inclined grooves 405 are in sliding connection with limiting blocks 406, and the ends, away from the moving blocks 401, of the two limiting blocks 406 are fixedly connected with the bottoms of the push rods 407.

[0034] One specific application of the embodiment is that: first, the base 101 is laid on the ground in the coal mine, then the support frame 1 is erected in the base 101, the motor 403 is started to drive the bidirectional threaded rod 402 to rotate clockwise, the two moving blocks 401 on the two sides are driven to move away from each other on the surface of the bidirectional threaded rod 402, the side walls of the two moving blocks 401 are provided with inclined grooves 405, the limiting blocks 406 are arranged in the inclined grooves 405, the push rods 407 slide in the inclined grooves 405 while the limiting blocks 406 move, and the push rods 407 are pushed upward by the moving blocks 401 through the limiting blocks 406, the two push rods 407 move upward at the same time to drive the baffle 102 to support the top of the mine, the top of the baffle 102 is arc-shaped, the design of the arc-shaped baffle can better disperse the pressure of the coal mine roof on the baffle, improve the pressure bearing capacity of the baffle, and further enhance the structural stability of the entire coal mine support device.

[0035] The remaining support frames 1 are placed on the top of the base 101 in this way, a connecting piece is arranged between the two support frames 1, the insertion rod 204 is inserted into the circular hole arranged on the side wall of the support frame 1, and then the insertion rod 204 is fixed by the bolt 205, according to the distance between the two support frames 1, the rotation angle of the connecting rod one 201 and the connecting rod two 202 is adjusted, so that the length of the connecting piece is adjusted, so that the support frame can adapt to the support requirement of different distances, and the workload of additional adjustment due to the inappropriate distance between the support frames is reduced, which is helpful to improve the construction efficiency.

[0036] When the connecting rod one 201 and the connecting rod two 202 are adjusted in rotation, the distance between the end portions thereof is also increased or decreased, the sliding block 303 at the end portion of the sliding rod one 301 slides on the inner wall of the sliding rod two 302, the bolt 304 arranged on the side wall of the sliding rod two 302 slides on the inner wall of the sliding rod one 301, when the angle of the connecting rod one 201 and the connecting rod two 202 is determined, the bolt 304 is fixed on the inner wall of the sliding rod one 301 by rotating the nut 305 clockwise, so that the sliding rod one 301 and the sliding rod two 302 are fixed and cannot slide, since the sliding rod one 301 and the sliding rod two 302 are locked, the connecting rod one 201 and the connecting rod two 202 cannot rotate, so that the overall connecting structure is fixed and cannot be adjusted, the overall rigidity of the entire support system is enhanced, and the safety and stability during construction are ensured.

[0037] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in detail in the specification in order to better explain the principles and practical applications of the application, so that the skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A connecting member of a supporting device for coal mining, comprising two supporting frames (1), the bottom of each of the two supporting frames (1) is provided with a base (101), characterized in that, The top of the support frame (1) is provided with a baffle (102), and the top of the baffle (102) is arc-shaped. Two connecting assemblies (2) are arranged on the side of the two support frames (1) close to each other, the two connecting assemblies (2) are symmetrically arranged, the connecting assembly (2) comprises two connecting rods one (201), the two connecting rods one (201) are hingedly connected through a pin shaft at one end close to each other, the two connecting rods one (201) are hingedly connected through a pin shaft at one end away from each other, the two connecting rods two (202) are hingedly connected through a pin shaft at one end close to each other, the side walls of the two support frames (1) are both inserted with an insertion rod (204), the side of the insertion rod (204) close to the connecting rod one (201) is fixedly connected with a flat plate (203), the side of the flat plate (203) close to the connecting rod one (201) is rotatably connected with the one end of the two connecting rods one (201) away from each other, the side of the flat plate (203) close to the connecting rod two (202) is rotatably connected with the one end of the two connecting rods two (202) away from each other, the one end of the insertion rod (204) away from the flat plate (203) extends to the outside through the side wall of the support frame (1), and the extension end of the insertion rod (204) is inserted with a plug (205).

2. The connecting member of a support apparatus for coal mining according to claim 1, wherein The hinged parts of the two connecting rods one (201) are fixedly connected with a sliding rod one (301) through a pin shaft, the hinged parts of the two connecting rods two (202) are fixedly connected with a sliding rod two (302) through a pin shaft, and the side of the sliding rod one (301) close to the sliding rod two (302) is fixedly connected with a sliding block (303).

3. A connecting member for a support device for coal mining according to claim 2, characterised in that, The outer surface of the sliding block (303) is in sliding connection with the inner wall of the sliding rod two (302), the side of the sliding rod two (302) close to the sliding rod one (301) is fixedly connected with a bolt (304), and the outer surface of the bolt (304) is in threaded connection with a nut (305).

4. The connecting member of a support device for coal mining according to claim 3, wherein The inside of the support frame (1) is provided with an adjusting assembly (4), the adjusting assembly (4) comprises a motor (403) fixedly connected to the right side of the support frame (1), and the output end of the motor (403) is fixedly connected with a bidirectional threaded rod (402).

5. A connecting member for a support device for coal mining according to claim 4, wherein The left side and the right side of the bidirectional threaded rod (402) are rotatably connected with the inner wall of the support frame (1), and the outer surface of the bidirectional threaded rod (402) is in threaded connection with two moving blocks (401).

6. A connecting member for a support device for coal mining according to claim 5, wherein The top of the support frame (1) is provided with a square groove, the outer surfaces of the two moving blocks (401) are in sliding connection with the inner wall of the square groove, the top of the support frame (1) is fixedly connected with a fixing frame (404), two through holes are formed in the top of the fixing frame (404), the inner walls of the two through holes are in sliding connection with two push rods (407), and the top of the two push rods (407) is fixedly connected with the bottom of the baffle (102).

7. A connecting member for a support device for coal mining according to claim 6, characterised in that, The side wall of each of the two mobile blocks (401) is provided with an inclined groove (405), the inner wall of each of the two inclined grooves (405) is slidably connected with a limiting block (406), and the end, away from the mobile block (401), of each of the two limiting blocks (406) is fixedly connected with the bottom of a push rod (407).

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