CN109882218B - Deep ultra-thick coal seam rock burst prevention and control equipment - Google Patents
Deep ultra-thick coal seam rock burst prevention and control equipment Download PDFInfo
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- CN109882218B CN109882218B CN201910225367.6A CN201910225367A CN109882218B CN 109882218 B CN109882218 B CN 109882218B CN 201910225367 A CN201910225367 A CN 201910225367A CN 109882218 B CN109882218 B CN 109882218B
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Abstract
The invention discloses a deep ultra-thick coal seam rock burst prevention and treatment device which comprises a prevention and treatment column main body, wherein a hydraulic cylinder is fixedly sleeved at the bottom end of the prevention and treatment column main body, the hydraulic cylinder is fixed on the ground in a coal mine through a bolt, the top end of the prevention and treatment column main body is fixedly connected with a top plate, the top plate is in contact with the top of a coal seam in the coal mine, and the prevention and treatment column main body is used for supporting the inner space of the coal mine to prevent the ultra-thick coal seam from rock burst; telescopic rods are movably inserted into four corners of the top plate, one end of each of the two telescopic rods is fixedly connected with a fixed steel plate, double-faced rubberized waterproof cloth is fixed at the bottom end of each fixed steel plate in a threaded manner, and elastic cloth is sewn at one end of each double-faced rubberized waterproof cloth; the movable anti-blocking plate is arranged in the inner channel, and the anti-blocking plate crushes coal blocks when the falling coal blocks are blocked, so that the moving smoothness of the coal blocks is improved, and the coal blocks are convenient to collect.
Description
Technical Field
The invention relates to the technical field of coal mine prevention and control equipment, in particular to deep ultra-thick coal seam rock burst prevention and control equipment.
Background
The layered solid combustible mineral product is formed by transforming plant remains through complex biochemical action and geological action, is present in a coal-containing rock system and is positioned between top and bottom plate rocks, the number of layers, thickness, birth shape, burial depth and the like of a coal layer are limited by ancient structures, ancient geographies and ancient climatic conditions, when the coal layer with a thicker top is in a deeper underground, a dangerous rock burst phenomenon can occur, coal blocks of the coal layer can fall off, and the safety of operators is influenced.
Present prevention and cure equipment generally adopts the collection coal cinder mode that drops in the use, avoids the coal cinder directly to fall down, but when the coal cinder dropped to prevention and cure equipment on, increased the loading capacity that prevention and cure equipment bore in long-time use, still can cause simultaneously and be difficult to the clearance problem, can not satisfy the user demand.
Disclosure of Invention
The invention aims to provide equipment for preventing rock burst of a deep ultra-thick coal seam, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the equipment for preventing and controlling rock burst of the deep ultra-thick coal seam comprises a prevention and control column main body, wherein a hydraulic cylinder is fixedly sleeved at the bottom end of the prevention and control column main body, the hydraulic cylinder is fixed on the ground in a coal mine through a bolt, the top end of the prevention and control column main body is fixedly connected with a top plate, the top plate is in contact with the top of the coal seam in the coal mine, and the prevention and control column main body is used for supporting the inner space of the coal mine to prevent the rock burst of the ultra-; telescopic rods are movably inserted into four corners of the top plate, one end of each of the two telescopic rods is fixedly connected with a fixed steel plate, double-faced rubberized waterproof cloth is fixed at the bottom end of each fixed steel plate in a threaded mode, elastic cloth is sewn at one end of each double-faced rubberized waterproof cloth, a steel sleeve is fixedly embedded at one end of each elastic cloth, and the steel sleeve is fixedly sleeved on the outer wall of the main body of the control column; the prevention and treatment column is characterized in that two symmetrically distributed opening grooves are formed in the prevention and treatment column body, the two opening grooves are communicated with an inner channel, the inner channel is formed in the prevention and treatment column body, and the cross section of the inner channel is square.
Furthermore, a flow guide sleeve is fixed on the outer surface wall of the control column main body through threads, the flow guide sleeve is communicated with the inner channel, and the flow guide sleeve is used for guiding the fallen coal blocks to move directionally.
Further, prevent that the inside of prevention and cure post main part is inserted and is prevented the closure plate, prevent the closure plate movable sleeve in the inner channel, and prevent that the closure plate is used for crushing bulky coal cinder that drops.
Furthermore, the hydraulic cylinder is electrically connected with an external power supply, and the hydraulic cylinder is used for increasing acting force between the top plate and the ultra-thick coal seam.
Furthermore, one end of the elastic cloth and the bottom end of the opening groove formed in the inner channel are positioned on the same horizontal line.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention plays a role in bearing by the main body of the prevention and control column, plays a role in supporting and avoiding the impact ground pressure of an ultra-thick coal seam, can change the projection areas of the double-sided adhesive-coated rain cloth and the elastic cloth in the vertical direction of the coal seam through the extension length of the telescopic rod, when the coal blocks fall off, the coal blocks roll down into the inner channel under the action of gravity and fall out of the flow guide sleeve to be convenient for people to collect.
2. The movable anti-blocking plate is arranged in the inner channel, and the anti-blocking plate crushes coal blocks when the falling coal blocks are blocked, so that the moving smoothness of the coal blocks is improved, and the coal blocks are convenient to collect.
Drawings
FIG. 1 is a cross-sectional view of the overall construction of the present invention;
fig. 2 is a top view of the overall structure of the present invention.
In the figure: 1-a control column body; 11-a top plate; 12-steel jacket; 13-an inner channel; 14-anti-blocking plate; 15-a flow guide sleeve; 16-a hydraulic cylinder; 2, a telescopic rod; 21-fixing a steel plate; 22-double-sided rubberized waterproof cloth; 23-elastic cloth.
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. 1-2, the present invention provides a technical solution: the equipment for preventing rock burst of the deep ultra-thick coal seam comprises a prevention column main body 1, wherein a hydraulic cylinder 16 is fixedly sleeved at the bottom end of the prevention column main body 1, the hydraulic cylinder 16 is fixed on the ground in a coal mine through a bolt, a top plate 11 is fixedly connected to the top end of the prevention column main body 1, the top plate 11 is in contact with the top of the coal seam in the coal mine, and the prevention column main body 1 is used for supporting the inner space of the coal mine to prevent the rock burst of the ultra-thick coal seam; the four corners of the top plate 11 are movably inserted with telescopic rods 2, the extension lengths of the telescopic rods 2 can be changed according to requirements, one end of each of the two telescopic rods 2 is fixedly connected with a fixed steel plate 21, the bottom end of each fixed steel plate 21 is fixed with a double-faced adhesive tape-coated rain cloth 22 through threads, when the extension length of the telescopic rod 2 is lengthened, the projection area of the double-sided rubber-coated rain cloth 22 and the elastic cloth 23 in the vertical direction of the coal seam can be changed, when the coal blocks fall off, the coal blocks roll down into the inner channel under the action of gravity and fall out of the flow guide sleeve 15 for convenient collection by people, one end of the double-sided adhesive-coated rain cloth 22 is sewed with an elastic cloth 23, one end of the elastic cloth 23 is positioned on the same horizontal line with the bottom end of the opening groove arranged on the inner channel 13, one end of the elastic cloth 23 is fixedly embedded with a steel sleeve 12, and the steel sleeve 12 is fixedly sleeved on the outer wall of the control column main body 1; two mouth grooves of symmetric distribution are seted up on prevention and cure post main part 1, two mouth groove communicates with each other with interior passageway 13, interior passageway 13 is seted up in the inside of prevention and cure post main part 1, and the cross section of interior passageway 13 is square shape, prevention and cure post main part 1's inside is inserted and is prevented closure plate 14, prevent closure plate 14 movable sleeve including in passageway 13, and prevent closure plate 14 and be used for the big volume coal cinder that drops to improve the coal cinder and move the smoothness nature including in passageway 13, make things convenient for the collection of coal cinder.
The outer surface wall of the control column main body 1 is fixed with a flow guide sleeve 15 through threads, the flow guide sleeve 15 is communicated with the inner channel 13, and the flow guide sleeve 15 is used for guiding the fallen coal blocks to move directionally.
The working principle is as follows: when the invention is used, the prevention and control column main body 1 is supported in the coal mine according to the height of the coal mine, and in the supporting process, the hydraulic cylinder 16 is electrically connected with an external power supply, the height of the prevention column main body 1 is lifted by the hydraulic cylinder 16, the top plate 11 is contacted with the top of the coal seam in the coal mine, at the moment, the prevention and control column main body 1 is vertically erected in the coal mine to prevent the ultra-thick coal seam from generating rock burst, then the length of the telescopic rod 2 is stretched or shortened, so that the projection area of the double-sided rubber-coated rain cloth 22 and the elastic cloth 23 in the vertical direction of the coal seam is changed, when the coal blocks fall off, the coal blocks roll down into the inner channel under the action of gravity and fall out of the flow guide sleeve 15 for convenient collection by people, the coal cinder that drops is collected to this mode can not increase other loading capacities of prevention and cure post main part 1, guarantees the stability in use of prevention and cure post main part 1, satisfies the user demand.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a deep super thick coal seam rock burst prevention and cure equipment, includes prevention and cure post main part (1), its characterized in that: the hydraulic cylinder (16) is fixedly sleeved at the bottom end of the control column main body (1), the hydraulic cylinder (16) is fixed on the ground in a coal mine through a bolt, the top end of the control column main body (1) is fixedly connected with a top plate (11), the top plate (11) is contacted with the top of a coal bed in the coal mine, and the control column main body (1) is used for supporting the inner space of the coal mine to prevent the ultra-thick coal bed from generating rock burst; telescopic rods (2) are movably inserted into four corners of the top plate (11), one end of each of the two telescopic rods (2) is fixedly connected with a fixed steel plate (21), double-faced rubberized waterproof cloth (22) is fixed to the bottom end of each fixed steel plate (21) in a threaded manner, elastic cloth (23) is sewn to one end of each double-faced rubberized waterproof cloth (22), a steel sleeve (12) is fixedly embedded into one end of each elastic cloth (23), and the steel sleeve (12) is fixedly sleeved on the outer wall of the control column main body (1); the prevention and treatment column main body (1) is provided with two symmetrically distributed opening grooves, the two opening grooves are communicated with an inner channel (13), the inner channel (13) is arranged inside the prevention and treatment column main body (1), and the cross section of the inner channel (13) is square; and one end of the elastic cloth (23) and the bottom end of the opening groove formed in the inner channel (13) are positioned on the same horizontal line.
2. The equipment for preventing rock burst of the deep ultra-thick coal seam according to claim 1, wherein: the outer surface wall of the control column main body (1) is fixed with a flow guide sleeve (15) in a threaded manner, the flow guide sleeve (15) is communicated with the inner channel (13), and the flow guide sleeve (15) is used for guiding the fallen coal blocks to move directionally.
3. The equipment for preventing rock burst of the deep ultra-thick coal seam according to claim 1, wherein: prevent that the inside of post main part (1) is inserted and is prevented closure plate (14), prevent closure plate (14) movable sleeve in interior passageway (13), and prevent closure plate (14) and be used for crushing bulky coal cinder that drops.
4. The equipment for preventing rock burst of the deep ultra-thick coal seam according to claim 1, wherein: the hydraulic cylinder (16) is electrically connected with an external power supply, and the hydraulic cylinder (16) is used for increasing acting force between the top plate (11) and the extra-thick coal seam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910225367.6A CN109882218B (en) | 2019-03-25 | 2019-03-25 | Deep ultra-thick coal seam rock burst prevention and control equipment |
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| CN201910225367.6A CN109882218B (en) | 2019-03-25 | 2019-03-25 | Deep ultra-thick coal seam rock burst prevention and control equipment |
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| CN109882218A CN109882218A (en) | 2019-06-14 |
| CN109882218B true CN109882218B (en) | 2020-09-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112796803A (en) * | 2021-01-08 | 2021-05-14 | 刘艺 | Spraying dust removal equipment for coal mine electromechanical fully mechanized mining support |
| CN113756853B (en) * | 2021-07-31 | 2024-05-10 | 山东省煤田地质规划勘察研究院 | Deep well soft rock stratum rock burst protection device |
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| CN207891007U (en) * | 2018-02-26 | 2018-09-21 | 河北钢铁集团矿业有限公司 | A kind of mining crowbar with protective umbrella |
| CN108625887A (en) * | 2018-06-15 | 2018-10-09 | 韦立会 | A kind of mine hydraulic prop |
| CN208073524U (en) * | 2018-03-23 | 2018-11-09 | 淄博华源矿业有限公司 | Mining supports device |
| CN109322703A (en) * | 2018-11-29 | 2019-02-12 | 亢建华 | Top plate water drenching collector |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU980074A1 (en) * | 1981-06-12 | 1982-12-07 | Предприятие П/Я А-7899 | Safety valve |
| CN106285749A (en) * | 2016-08-30 | 2017-01-04 | 中国矿业大学(北京) | The advance support body of a kind of improvement and using method |
| CN107190968A (en) * | 2017-06-29 | 2017-09-22 | 无锡市晨源建筑器材有限公司 | A kind of new corner aluminium alloy protection network |
| CN207245222U (en) * | 2017-09-06 | 2018-04-17 | 天津市盛泰建筑工程有限公司 | Roofing edge protection device |
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