CN216342237U - Coal mine safety supporting device - Google Patents
Coal mine safety supporting device Download PDFInfo
- Publication number
- CN216342237U CN216342237U CN202122597274.1U CN202122597274U CN216342237U CN 216342237 U CN216342237 U CN 216342237U CN 202122597274 U CN202122597274 U CN 202122597274U CN 216342237 U CN216342237 U CN 216342237U
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- China
- Prior art keywords
- rod
- coal mine
- piston rod
- pressure
- mine safety
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 43
- 239000003245 coal Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a coal mine safety supporting device, which comprises: the device comprises a supporting column, a pressure bearing assembly and a pressurizing assembly, wherein the pressure bearing assembly is arranged at the top end of the supporting column; the support column is internally provided with a piston rod, the piston rod and the pressurizing assembly are arranged opposite to each other at intervals, and the piston rod slides along the extending direction of the support column. Compared with the prior art, the coal mine safety supporting device provided by the utility model is simple in structure, good in supporting effect, safe and reliable.
Description
Technical Field
The utility model relates to the technical field of mineral equipment, in particular to a coal mine safety supporting device.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine, when a coal bed is far away from the ground surface, coal is generally selected to dig a roadway into the ground, is the mineworker coal mine, is the most main solid fuel, is one kind of combustible organic rock, is formed by gradually piling up luxuriant plants growing in a certain geological age into a thick layer in a proper geological environment and burying the thick layer in the water bottom or silt through the natural coalification action of a long geological age, needs to carry out emergency rescue on underground personnel after the coal mine has an accident, and needs to temporarily transfer the personnel to a safe supporting environment in order to ensure the life safety of the personnel and then transfers the personnel out.
At present, all existing coal mine roadway supporting devices are passive methods, such as shed erecting, pole picking, timely guniting and the like, have the disadvantages of unsafe operation, passiveness, time consumption, trouble consumption, material consumption and the like, and are also main root cause of endangering the life safety of workers on a tunneling working face, a coal mine fault is a geological broken zone with a rock mass losing continuity and integrity, the rock is easy to collapse during tunneling, and the existing supporting devices cannot meet the safety requirement of passing the fault of the coal mine roadway.
Therefore, there is a need to provide a new coal mine safety support device to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel coal mine safety supporting device which is simple in structure, good in supporting effect, safe and reliable.
In order to achieve the aim, the utility model provides a coal mine safety support device which comprises a support column, a pressure bearing assembly and a pressurizing assembly, wherein the pressure bearing assembly is arranged at the top end of the support column;
a piston rod is arranged in the supporting column, the piston rod is opposite to the pressurizing assembly at intervals, and the piston rod slides along the extending direction of the supporting column;
the pressure-bearing assembly comprises a pressure-bearing plate arranged at one end of the piston rod far away from the pressurizing assembly, an inclined rod connected with the pressure-bearing plate and the supporting column, a vertical rod connected with the inclined rod, and a lower pressing rod connected with the vertical rod, wherein one end of the lower pressing rod is movably connected with the supporting column, and the other end of the lower pressing rod is connected with the pressurizing assembly;
the pressurizing assembly comprises a valve control valve connected with the lower pressing rod, a conical air chamber connected with the valve control valve and a pressurizing air pump connected with the conical air chamber.
Further, a circular table portion is arranged at one end of the piston rod and located above the supporting column.
Further, the bearing plate is located below the circular table portion and movably connected with the piston rod.
Furthermore, the outside surface of support column is equipped with the spout, be equipped with the slider in the spout, the down tube with the slider is connected.
Further, the down-pressure rod is provided with a plurality of through holes corresponding to one another, hooks are arranged at two ends of the vertical rod, and the hooks are embedded in the through holes.
Compared with the prior art, the coal mine safety supporting device provided by the utility model conducts the pressure transmitted downwards by the coal mine fault above the supporting column to the coal mine ground through the connecting rod structure of the pressure-bearing component, supports the piston rod, and has better supporting effect when the pressure is higher.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts, wherein:
fig. 1 is a schematic structural diagram of the coal mine safety support device.
The reference numbers indicate that the support column 1, the pressure bearing component 2, the pressurizing component 3, the chute 10, the piston rod 11, the circular table part 12, the slide block 13, the pressure bearing plate 21, the inclined rod 22, the vertical rod 23, the lower press rod 24, the valve control valve 31, the conical air chamber 32 and the pressurizing air pump 33.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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, the utility model provides a coal mine safety support device, which comprises a support pillar 1, a pressure bearing assembly 2 arranged at the top end of the support pillar 1, and a pressurizing assembly 3 arranged at the bottom end of the support pillar 1; the supporting column 1 is mainly used for fixed support, the pressure-bearing assembly 2 is mainly used for supporting a coal mine fault plane and conducting pressure of the coal mine fault plane, and the pressurizing assembly 3 is mainly used for providing reinforced air pressure for the supporting column 1 and improving supporting stability.
A piston rod 11 is arranged in the supporting column 1, the piston rod 11 is opposite to the pressurizing assembly 3 and is arranged at an interval, and the piston rod 11 slides along the extending direction of the supporting column 1; the support column 1 is of a hollow cylindrical structure, and the piston rod 11 is embedded in the hollow structure of the support column 1.
One end of the piston rod 11 is provided with a circular table portion 12, and the circular table portion 12 is located above the supporting column 1. The piston rod 11 mainly moves towards the top end of the supporting column 1 under the action of the pressure bearing assembly 2, and the circular table portion 12 is used for providing an upward supporting force for a coal mine fault position.
The outer side surface of the support column 1 is provided with a sliding groove 10, a sliding block 13 is arranged in the sliding groove 10, and the sliding block 13 is used for being connected with the pressure bearing assembly 2.
Pressure-bearing subassembly 2 is including setting up piston rod 11 keeps away from the pressure-bearing plate 21 of supercharging component 3 one end is connected pressure-bearing plate 21 with the down tube 22 of support column 1, with the montant 23 that the down tube 22 is connected, with the depression bar 24 that the montant 23 is connected, depression bar 24 one end with support column 1 swing joint, depression bar 24's the other end with supercharging component 3 connects down.
The pressure bearing plate 21 is used for bearing pressure, and the pressure bearing plate 21 is located below the circular table portion 12 and movably connected with the piston rod 11. The bearing plate 21 extends along an inclined angle direction which is the same as that of the inclined plane of the circular table part 12, the bearing plate 21 is used for bearing and supporting a fault plane in the using process, one end of the inclined rod 22 is fixed with the bearing plate 21, and the other end of the inclined rod 22 is connected with the sliding block 13. The inclined rod 22 is used for transmitting pressure applied to the bearing plate 21, the vertical rod 23 is used for supporting the inclined rod 22, meanwhile, the force transmitted on the inclined rod 22 is transmitted to the lower pressing rod 24, and the inclined rod 22 can slide downwards for a certain distance under the action of the sliding block 13.
The inclined rod 22 and the lower pressing rod 24 are provided with a plurality of through holes (not shown) in one-to-one correspondence, and hooks (not shown) are arranged at two ends of the vertical rod 23 and embedded in the through holes. The structure is convenient to disassemble, and meanwhile, vertical rods with different lengths can be manually selected, so that the supporting effect is improved.
The pressurizing assembly 3 comprises a valve control valve 31 connected with the lower pressing rod 24, a conical air chamber 32 connected with the valve control valve 31, and a pressurizing air pump 33 connected with the conical air chamber 32.
The push-down lever 24 is connected to the control lever of the valve control valve 31 through a link. The valve control valve 31 is used for controlling the opening or closing of the conical air chamber 32, the valve control valve 31 simultaneously controls the pressurizing air pump 33 to start working after receiving the force transmitted by the lower pressure rod 24, an air chamber is formed due to the interval arrangement between the piston rod 11 and the valve control valve 31, air of the pressurizing air pump 33 is subjected to the air chamber through the control valve, a pressure is provided for the piston rod 11, and the supporting effect is improved.
The working principle is as follows: the pressure-bearing rod is supported on the coal mine fault plane, the support angle of the down rod and the down rod is adjusted, the vertical rod is installed on the down rod and the down rod, a connecting rod structure is formed, one end of the oblique rod is movably connected onto the piston rod, the pressure-bearing rod is extruded when the pressure of the coal mine fault plane changes, the oblique rod moves downwards through the slider, the down rod is pushed by the vertical rod to move, the piston rod is lifted upwards at the moment, the valve control valve is opened under the action of the down rod, the pressurization air pump starts to work simultaneously, and the gas is input into the air cavity to improve the pressure of the gas on the piston rod.
Compared with the prior art, the coal mine safety supporting device provided by the utility model conducts the pressure transmitted downwards by the coal mine fault above the supporting column to the coal mine ground through the connecting rod structure of the pressure-bearing component, supports the piston rod, and has better supporting effect when the pressure is higher.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The coal mine safety support device is characterized by comprising a support column, a pressure bearing assembly and a pressurizing assembly, wherein the pressure bearing assembly is arranged at the top end of the support column;
a piston rod is arranged in the supporting column, the piston rod is opposite to the pressurizing assembly at intervals, and the piston rod slides along the extending direction of the supporting column;
the pressure-bearing assembly comprises a pressure-bearing plate arranged at one end of the piston rod far away from the pressurizing assembly, an inclined rod connected with the pressure-bearing plate and the supporting column, a vertical rod connected with the inclined rod, and a lower pressing rod connected with the vertical rod, wherein one end of the lower pressing rod is movably connected with the supporting column, and the other end of the lower pressing rod is connected with the pressurizing assembly;
the pressurizing assembly comprises a valve control valve connected with the lower pressing rod, a conical air chamber connected with the valve control valve and a pressurizing air pump connected with the conical air chamber.
2. The coal mine safety support device according to claim 1, wherein one end of the piston rod is provided with a circular table portion, and the circular table portion is located above the supporting columns.
3. The coal mine safety support device according to claim 2, wherein the bearing plate is located below the circular table portion and movably connected with the piston rod.
4. The coal mine safety support device according to claim 1, wherein the outer side surface of the supporting column is provided with a sliding groove, a sliding block is arranged in the sliding groove, and the inclined rod is connected with the sliding block.
5. The coal mine safety support device according to claim 1, wherein a plurality of through holes corresponding to one another are formed in the inclined rod and the pressing rod, hooks are arranged at two ends of the vertical rod, and the hooks are embedded in the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597274.1U CN216342237U (en) | 2021-10-27 | 2021-10-27 | Coal mine safety supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597274.1U CN216342237U (en) | 2021-10-27 | 2021-10-27 | Coal mine safety supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342237U true CN216342237U (en) | 2022-04-19 |
Family
ID=81129841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122597274.1U Expired - Fee Related CN216342237U (en) | 2021-10-27 | 2021-10-27 | Coal mine safety supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342237U (en) |
-
2021
- 2021-10-27 CN CN202122597274.1U patent/CN216342237U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |