CN216077163U - Coal mine rock burst supporting device - Google Patents
Coal mine rock burst supporting device Download PDFInfo
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- CN216077163U CN216077163U CN202122129541.2U CN202122129541U CN216077163U CN 216077163 U CN216077163 U CN 216077163U CN 202122129541 U CN202122129541 U CN 202122129541U CN 216077163 U CN216077163 U CN 216077163U
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- coal mine
- fixedly connected
- rock burst
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Abstract
The utility model relates to the technical field of coal mine support, in particular to a coal mine rock burst support device. The utility model aims to solve the technical problems that the support width of the existing part of coal mine rock burst support device is difficult to adjust, and the support stability of the existing part of coal mine rock burst support device after a side plate is stressed is poor. In order to solve the technical problem, the utility model provides a coal mine rock burst supporting device which comprises a top plate, wherein T-shaped movable grooves are symmetrically formed in two sides of the middle of the top plate, a supporting plate is connected inside the T-shaped movable grooves in a sliding mode, and a connecting block is fixedly connected to the bottom of the supporting plate. Through starting up the flexible of hydraulic stem, the hydraulic stem passes through the articulated connecting rod in connecting plate both sides and takes two backup pads to slide in the inside of T type movable groove, adjusts the distance between two backup pads, makes and can realize the adjustment with distance between two backup pad swing joint's the curb plate, is suitable for the tunnel of different width, and the practicality is strong.
Description
Technical Field
The utility model relates to the technical field of coal mine support, in particular to a coal mine rock burst support device.
Background
The rock burst refers to the dynamic phenomenon of sudden and violent damage caused by the instantaneous release of elastic deformation energy of coal (rock) bodies around a coal mine roadway or a working face, and is often accompanied by instantaneous displacement, throwing, banging, air waves and the like of the coal (rock) bodies. The sudden failure phenomenon easily occurs in the near-empty rock mass, and the sudden and violent release of the strain energy of the near-empty rock volume accumulation is caused, so that the rock mass is subjected to brittle fracture like explosion, rock burst is caused, and a large amount of rocks are collapsed, so that a roadway needs to be supported during coal mining.
Because the tunnel width of coal mining in-process exploitation is not of uniform size, current partial supporting device is difficult to adjust supporting device's width, application scope restriction is great, the practicality is poor, current partial tunnel supporting device's roof and curb plate fixed mounting simultaneously, when taking place the rock burst, the different positions of device can receive coal (rock) impact force influence, the curb plate support stability reduces when the curb plate lower part receives the impact, lead to the curb plate to deflect easily and take place the risk of collapsing, support stability is relatively poor, certain potential safety hazard has.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a coal mine rock burst supporting device, which solves the problems that the supporting width of the existing part of coal mine rock burst supporting devices is difficult to adjust, and the supporting stability of the existing part of coal mine rock burst supporting devices is poor after a side plate is stressed.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: a coal mine rock burst supporting device comprises a top plate, wherein T-shaped movable grooves are symmetrically formed in two sides of the middle of the top plate, a supporting plate is slidably connected inside each T-shaped movable groove, a connecting block is fixedly connected to the bottom of each supporting plate, and circular grooves are symmetrically formed in one side, away from the connecting block, of each supporting plate;
a hydraulic rod is fixedly connected to the middle position of the bottom of the top plate, one end of the hydraulic rod is fixedly connected with a connecting plate, and connecting rods are hinged between two connecting blocks and two sides of the connecting plate respectively;
the two sides of the top plate are symmetrically provided with side plates, the upper parts of the side plates are provided with adjusting grooves, the inner walls of the adjusting grooves are symmetrically and fixedly connected with sliding rods, the supporting plate is slidably connected between two adjacent sliding rods through circular grooves, and the surfaces of the sliding rods are movably sleeved with compression springs;
four chutes are symmetrically formed in the bottom of the top plate, supporting blocks are connected to the inner portions of the chutes in a sliding mode, return springs are movably connected between the side walls of the supporting blocks and the inner walls of the adjacent chutes, supporting rods are hinged to the bottoms of the supporting blocks, and one ends of the supporting rods are hinged to the middle portions of the adjacent side plates.
Further preferably, a rectangular groove is formed in the middle of the bottom of the top plate, the hydraulic rod is fixedly connected inside the rectangular groove, and the hydraulic rod can be protected by being fixedly arranged inside the rectangular groove.
Further preferably, the top of the compression spring overlaps the bottom of the adjacent support plate, and the bottom of the compression spring overlaps the inner bottom surface of the adjustment groove.
Further preferably, a guide rod is fixedly connected between two sides of the inner wall of the sliding groove, the supporting block is connected to the surface of the guide rod in a sliding mode, the reset spring is movably sleeved on the surface of the guide rod, and the stability of the supporting block in the moving process is improved through the guide rod.
Further preferred, the middle part fixedly connected with of curb plate strengthens the strip, and the homonymy is two the one end of bracing piece articulates adjacent strengthen the surface of strip, set up through strengthening the strip and make two bracing pieces receive the extrusion back on upper portion, the pressure that will receive is transmitted to the curb plate from strengthening the strip surface on, avoids curb plate surface atress too concentrated, can not only have protect function to the curb plate, promotes the stability that supports the curb plate simultaneously.
Further preferably, the side wall of the side plate is fixedly connected with limiting sawteeth, and the bottom of the side plate is fixedly connected with supporting nails, so that the stability of the side plate after installation is improved.
(III) advantageous effects
The utility model provides a coal mine rock burst supporting device which has the following beneficial effects:
(1) the telescopic hydraulic rod is started by matching the support plates, the hydraulic rod, the connecting rod and other components, the hydraulic rod drives the two support plates to slide in the T-shaped movable groove through the connecting rods hinged to the two sides of the connecting plate, the distance between the two support plates is adjusted, the distance between the side plates movably connected with the two support plates can be adjusted, and the telescopic hydraulic rod is suitable for roadways with different widths and has strong practicability.
(2) According to the utility model, through the matching use of the side plates, the sliding grooves, the supporting rods and other components, when the surrounding ore body of the device collapses, the top plate slides and moves downwards between the two side plates after being pressed, at the moment, the supporting rods hinged to the bottom of the top plate through the supporting blocks deflect and press the corresponding side plates, so that the side plates are firmly pressed against the side walls of the roadway, even if the side plates are still stably supported due to the disturbance of rock burst on the side walls of the roadway, and the stability of the device in the supporting process is improved.
Drawings
FIG. 1 is a front cross-sectional view of the overall structure of the present invention;
FIG. 2 is a bottom cross-sectional view of the position of the top panel of the present invention;
FIG. 3 is a left sectional view of a portion of the side panel of the present invention.
In the figure: 1, a top plate; 2T-shaped movable grooves; 3, supporting plates; 4, connecting blocks; 5, circular grooves; 6 hydraulic rods; 7 connecting plates; 8 connecting rods; 9 side plates; 10, adjusting the groove; 11 a slide bar; 12 compressing the spring; 13 chute; 14 a support block; 15 a return spring; 16 support the rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a colliery rock burst supporting device, includes roof 1, and T type activity groove 2 has been seted up to the bilateral symmetry at roof 1 middle part, and the inside sliding connection of T type activity groove 2 has backup pad 3, and the bottom fixedly connected with connecting block 4 of backup pad 3, backup pad 3 keep away from one side symmetry of connecting block 4 and seted up circular slot 5.
The intermediate position fixedly connected with hydraulic stem 6 of 1 bottom of roof, the rectangular channel has been seted up to the intermediate position of 1 bottom of roof, and 6 fixed connection of hydraulic stem are in the inside of rectangular channel, and the one end fixedly connected with connecting plate 7 of hydraulic stem 6, the both sides of connecting plate 7 respectively with two connecting blocks between 4 articulated have connecting rod 8.
The two sides of the top plate 1 are symmetrically provided with side plates 9, the side wall of each side plate 9 is fixedly connected with limiting sawteeth, the bottom of each side plate 9 is fixedly connected with a supporting nail, the upper part of each side plate 9 is provided with an adjusting groove 10, the inner wall of each adjusting groove 10 is symmetrically and fixedly connected with a slide rod 11, the supporting plates 3 are connected between two adjacent slide rods 11 through circular grooves 5 in a sliding manner, the surfaces of the slide rods 11 are movably sleeved with compression springs 12, the tops of the compression springs 12 are lapped on the bottom of the adjacent supporting plates 3, the bottoms of the compression springs 12 are lapped on the inner bottom surfaces of the adjusting grooves 10, when the hydraulic rods 6 are started to stretch, the hydraulic rods 6 drive the connecting rods 8 hinged at two sides to deflect through the connecting plates 7 which are fixedly connected, the two connecting rods 8 drive the two supporting plates 3 to slide in the T-shaped movable grooves 2, the distance between the two supporting plates 3 is adjusted, and the distance between the side plates 9 movably connected with the two supporting plates 3 can be adjusted, the method is suitable for roadways with different widths, and has strong practicability.
Four sliding grooves 13 are symmetrically formed in the bottom of the top plate 1, supporting blocks 14 are connected to the inside of each sliding groove 13 in a sliding mode, a reset spring 15 is movably connected between the side wall of each supporting block 14 and the inner wall of the adjacent sliding groove 13, guide rods are fixedly connected between the two sides of the inner wall of each sliding groove 13, each supporting block 14 is connected to the surface of each guide rod in a sliding mode, each reset spring 15 is movably sleeved on the surface of each guide rod, a supporting rod 16 is hinged to the bottom of each supporting block 14, one end of each supporting rod 16 is hinged to the middle of the adjacent side plate 9, a reinforcing strip is fixedly connected to the middle of each side plate 9, one end of each supporting rod 16 on the same side of each supporting rod 16 is hinged to the surface of the corresponding reinforcing strip, when an ore body around the device collapses, the top plate 1 is pressed and then matched with the corresponding sliding rod 11 through the circular grooves 5 in the supporting plates 3 on the two sides, the top plate 1 can slide down between the two side plates 9, at the bottom of the top plate 1 deflects through the supporting rods 16 hinged to press the corresponding side plates 9, the side plates 9 are firmly pressed on the side walls of the roadway, even if the side walls of the roadway are still stably supported due to the fact that the side plates 9 are disturbed by rock burst, the stability of the supporting process of the device is improved.
The working principle is as follows:
when the device is used, the hydraulic rod 6 drives the connecting rods 8 hinged at two sides to deflect through the connecting plates 7 fixedly connected with the hydraulic rod 6 by starting the extension and retraction of the hydraulic rod 6, so that the two connecting rods 8 drive the two supporting plates 3 to slide in the T-shaped movable groove 2, the distance between the two supporting plates 3 is adjusted, the distance between the side plates 9 movably connected with the two supporting plates 3 can be adjusted, the device is suitable for roadways with different widths, and the practicability is high; when the ore body appears collapsing around the device, roof 1 is pressed the back and is passed through circular slot 5 and the cooperation that corresponds slide bar 11 on the backup pad 3 of both sides, makes roof 1 can slide between two curb plates 9 and move down, and roof 1 bottom deflects and supports and press corresponding curb plate 9 through supporting shoe 14 articulated bracing piece 16 this moment, supports firmly curb plate 9 on the lateral wall in tunnel, even the tunnel lateral wall still can stably support because rock burst produces disturbance curb plate 9, promotes the stability of device support in-process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model.
Claims (6)
1. The utility model provides a colliery rock burst supporting device, includes roof (1), its characterized in that: t-shaped movable grooves (2) are symmetrically formed in two sides of the middle of the top plate (1), a supporting plate (3) is connected to the inside of each T-shaped movable groove (2) in a sliding mode, a connecting block (4) is fixedly connected to the bottom of each supporting plate (3), and circular grooves (5) are symmetrically formed in one side, away from the connecting block (4), of each supporting plate (3);
a hydraulic rod (6) is fixedly connected to the middle position of the bottom of the top plate (1), one end of the hydraulic rod (6) is fixedly connected with a connecting plate (7), and connecting rods (8) are hinged between two sides of the connecting plate (7) and the two connecting blocks (4) respectively;
the two sides of the top plate (1) are symmetrically provided with side plates (9), the upper parts of the side plates (9) are provided with adjusting grooves (10), the inner walls of the adjusting grooves (10) are symmetrically and fixedly connected with sliding rods (11), the supporting plate (3) is slidably connected between two adjacent sliding rods (11) through a circular groove (5), and the surfaces of the sliding rods (11) are movably sleeved with compression springs (12);
four sliding grooves (13) are symmetrically formed in the bottom of the top plate (1), supporting blocks (14) are connected to the inside of the sliding grooves (13) in a sliding mode, return springs (15) are movably connected between the side walls of the supporting blocks (14) and the inner walls of the adjacent sliding grooves (13), supporting rods (16) are hinged to the bottoms of the supporting blocks (14), and one ends of the supporting rods (16) are hinged to the middle portions of the adjacent side plates (9).
2. The coal mine rock burst support device according to claim 1, wherein: a rectangular groove is formed in the middle of the bottom of the top plate (1), and the hydraulic rod (6) is fixedly connected inside the rectangular groove.
3. The coal mine rock burst support device according to claim 1, wherein: the top of the compression spring (12) is overlapped at the bottom of the adjacent support plate (3), and the bottom of the compression spring (12) is overlapped at the inner bottom surface of the adjusting groove (10).
4. The coal mine rock burst support device according to claim 1, wherein: the guide rod is fixedly connected between two sides of the inner wall of the sliding groove (13), the supporting block (14) is connected to the surface of the guide rod in a sliding mode, and the reset spring (15) is movably sleeved on the surface of the guide rod.
5. The coal mine rock burst support device according to claim 1, wherein: the middle of the side plate (9) is fixedly connected with a reinforcing strip, and one end of each of the two supporting rods (16) at the same side is hinged to the surface of the adjacent reinforcing strip.
6. The coal mine rock burst support device according to claim 1, wherein: the side wall of the side plate (9) is fixedly connected with limiting sawteeth, and the bottom of the side plate (9) is fixedly connected with supporting nails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122129541.2U CN216077163U (en) | 2021-09-03 | 2021-09-03 | Coal mine rock burst supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122129541.2U CN216077163U (en) | 2021-09-03 | 2021-09-03 | Coal mine rock burst supporting device |
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| CN216077163U true CN216077163U (en) | 2022-03-18 |
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| CN202122129541.2U Active CN216077163U (en) | 2021-09-03 | 2021-09-03 | Coal mine rock burst supporting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115788521A (en) * | 2023-02-08 | 2023-03-14 | 山东省煤田地质规划勘察研究院 | Tunnel joint energy dissipation shock attenuation supporting device of prevention and cure rock burst |
| CN116044460A (en) * | 2023-03-31 | 2023-05-02 | 山西凌志达煤业有限公司 | Multi-size mine tunnel supporting device |
-
2021
- 2021-09-03 CN CN202122129541.2U patent/CN216077163U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115788521A (en) * | 2023-02-08 | 2023-03-14 | 山东省煤田地质规划勘察研究院 | Tunnel joint energy dissipation shock attenuation supporting device of prevention and cure rock burst |
| CN116044460A (en) * | 2023-03-31 | 2023-05-02 | 山西凌志达煤业有限公司 | Multi-size mine tunnel supporting device |
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