CN114542185A - Automatic lifting system for explosion-proof cap of air shaft of coal mine - Google Patents
Automatic lifting system for explosion-proof cap of air shaft of coal mine Download PDFInfo
- Publication number
- CN114542185A CN114542185A CN202210181040.5A CN202210181040A CN114542185A CN 114542185 A CN114542185 A CN 114542185A CN 202210181040 A CN202210181040 A CN 202210181040A CN 114542185 A CN114542185 A CN 114542185A
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- Prior art keywords
- explosion
- proof cap
- air shaft
- lifting system
- blast
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- 239000003245 coal Substances 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 8
- 238000009423 ventilation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/16—Shaft covers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention relates to an automatic lifting system for an explosion-proof cap of a coal mine air shaft, which belongs to the technical field of coal mines and comprises a plurality of stand columns arranged at the upper end of the coal mine air shaft, wherein two mounting plates are arranged at the top ends of the stand columns, two pulleys are arranged between the two mounting plates, a traction rope is arranged by bypassing the upper ends of the two pulleys, one end of the traction rope is provided with a balancing weight, the other end of the traction rope is connected with the explosion-proof cap, the inner side of each stand column is fixedly provided with channel steel, the inner side of each channel steel is provided with an oil cylinder, the cylinder barrel of the oil cylinder is arranged at the top end of the channel steel, and the piston rod of the oil cylinder is connected with the explosion-proof cap. The invention realizes remote automatic opening of the anti-explosion cap by controlling the action of the oil cylinder, and is safer, more reliable and more efficient.
Description
Technical Field
The invention relates to an automatic lifting system for an explosion-proof cap of a coal mine air shaft, and belongs to the technical field of coal mines.
Background
Mine ventilation is the most basic ring in the coal mine safety production link, and the mine ventilation always occupies a very important position during the mine construction and production, and the quality of the mine ventilation directly influences the safety production of the whole mine. The air shaft is a main channel for air return of the whole mine, and safe and reliable operation of air shaft equipment is particularly important. The normal operation and the running state of the explosion-proof cap particularly need a set of intelligent, safe, reliable and efficient solutions, so that the safe and efficient operation of mine ventilation is promoted.
The main blower plays the effect of lifting the foot to the safety in production in colliery, and explosion-proof cap plays very important effect as the important component part of ventilating shaft, and when the fan shut down, the explosion-proof cap of current mine ventilating shaft goes up and down and the mode of compressing tightly is artifical scene manual operation, if the mine meets emergency and needs the operation, need the manual work to climb up the wind channel and operate, the required time overlength, the explosion-proof cap of manual operation goes up and down and blocks easily simultaneously, four wheel skidding can't guarantee synchronous shortcomings.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an automatic lifting system for an explosion-proof cap of a coal mine air shaft, which can realize remote automatic opening of the explosion-proof cap, does not need manual operation and has higher efficiency.
The invention is realized by the following technical scheme:
the automatic lifting system comprises a plurality of stand columns installed on the upper end of the coal mine air shaft, wherein two mounting plates are arranged on the top ends of the stand columns, two pulleys are installed between the two mounting plates, a traction rope is arranged on the upper end of each pulley in a bypassing mode, a balancing weight is installed at one end of each traction rope, the other end of each traction rope is connected with the corresponding explosion-proof cap, groove-shaped steel is fixedly arranged on the inner side of each stand column, an oil cylinder is installed on the inner side of the groove-shaped steel, an oil cylinder barrel is installed on the top end of the groove-shaped steel, and an oil cylinder piston rod is connected with the corresponding explosion-proof cap.
The invention realizes remote automatic opening of the anti-explosion cap by controlling the action of the oil cylinder, and is safer, more reliable and more efficient.
The invention further improves the structure that a first mounting seat is arranged at the top end of the upright post, the cylinder barrel of the oil cylinder is connected with the first mounting seat through a bolt connecting piece, a plurality of guide seats are fixedly arranged at the upper end of the edge of the explosion-proof cap, the outer ends of the guide seats are positioned in the channel steel, each guide seat comprises a bottom plate connected with the explosion-proof cap in a welding mode and a door-shaped plate fixedly arranged on the bottom plate, a second mounting seat is arranged on each door-shaped plate, and the piston rod of the oil cylinder is connected with the second mounting seat through the bolt connecting piece. The setting of guide holder plays direction, limiting displacement at the in-process that explosion-proof cap opened and close, avoids rocking of explosion-proof cap, and stability is better.
The invention is further improved in that a plurality of connecting seats are fixedly arranged on the anti-explosion cap, and one end of the traction rope is connected with the connecting seats.
The invention is further improved in that a plurality of pressing mechanisms are arranged on the top end face of the air shaft. When the air shaft needs a back wind test, the explosion-proof cap is compressed.
The invention further improves the structure that the pressing mechanism comprises a base fixedly arranged on the top end face of the air shaft, a vertical plate and a central column are arranged on the base, a sleeve is sleeved on the central column, a pressing frame is welded on the sleeve, the top end of the sleeve is installed through a pressing nut, a hinged connecting plate is welded on the upper portion of the sleeve, and a pressing oil cylinder is hinged between the upper portion of the pressing frame and the two hinged connecting plates. Under this kind of design, hold-down mechanism simple structure, convenient operation drives through the flexible of control holding-down cylinder and compresses tightly the frame and rotate, realizes compressing tightly the explosion-proof cap, prevents that the explosion-proof cap from unexpected rotating.
The invention further improves that a plurality of pressing mechanisms are uniformly arranged at the top end of the air shaft. The pressing mechanism is uniformly arranged, and the pressing of the explosion-proof cap is more reliable.
The invention further improves that a protective cover is arranged above the mounting plate through the support rod. The protective cover can reduce the damage to the pulley in rainy and snowy weather as much as possible.
The invention is further improved in that all the oil cylinders are connected with a hydraulic station arranged outside the air shaft through oil pipes, and the hydraulic station provides pressure oil for the oil cylinders. The oil cylinder is remotely controlled to act by controlling the hydraulic station, and the explosion-proof cap is remotely switched on and off.
Compared with the prior art, the invention has the beneficial effects that:
the invention realizes remote automatic opening of the anti-explosion cap by controlling the action of the oil cylinder, and is safer, more reliable and more efficient.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of channel steel according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a positioning wheel disc according to an embodiment of the present invention.
In the figure: 1. an air shaft; 2. an explosion-proof cap; 3. a column; 4. mounting a plate; 5. a support bar; 6. a protective cover; 7. a pulley; 8. a hauling rope; 9. a balancing weight; 10. a connecting seat; 11. channel steel; 12. a first mounting seat; 13. an oil cylinder; 14. a base plate; 15. a door-shaped plate; 16. a second mounting seat; 17. a bolt connection; 18. a hold-down mechanism; 19. a base; 20. a vertical plate; 21. a central column; 22. a pressing frame; 23. a sleeve; 24. a compression nut; 25. a hinged connection plate; 26. a press oil cylinder.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 to 3 show a colliery air shaft explosion-proof cap automatic lifting system, including installing a plurality of stand 3 in colliery air shaft 1 upper end, 3 tops of stand are equipped with two mounting panels 4, 4 tops of mounting panel are equipped with visor 6 through bracing piece 5, install two pulleys 7 between two mounting panels 4, it is equipped with haulage rope 8 to walk around two pulley 7 upper ends, balancing weight 9 is installed to haulage rope 8's one end, the other end of haulage rope 8 links to each other with fixed mounting at the connecting seat 10 on explosion-proof cap 2, 3 inboard fixed channel steel 11 that are equipped with of stand, hydro-cylinder 13 is installed to channel steel 11 inboard, hydro-cylinder 13 cylinder is installed on channel steel 11 tops, hydro-cylinder 13 piston rod links to each other with explosion-proof cap 2.
Wherein, 3 tops of stand are equipped with first mount pad 12, and 13 cylinders of hydro-cylinder pass through bolted connection 17 and link to each other with first mount pad 12, and the fixed a plurality of guide holder that is equipped with in edge upper end of explosion-proof cap 2, the guide holder outer end is located channel section steel 11, and the guide holder includes bottom plate 14 and the fixed door-shaped plate 15 of establishing on bottom plate 14 that links to each other with explosion-proof cap 2 welding, is equipped with second mount pad 16 on the door-shaped plate 15, and 13 piston rods of hydro-cylinder pass through bolted connection 17 and link to each other with second mount pad 16.
The air shaft comprises an air shaft 1 and is characterized in that a plurality of pressing mechanisms 18 which are uniformly arranged are arranged on the top end face of the air shaft 1, each pressing mechanism 18 comprises a base 19 fixedly arranged on the top end face of the air shaft 1, a vertical plate 20 and a central column 21 are arranged on each base 19, a sleeve 23 is sleeved on each central column 21, a pressing frame 22 is welded on each sleeve 23, the top end of each sleeve 23 is installed through a pressing nut 24, a hinged connecting plate 25 is further welded on the upper portion of each sleeve 23, and a pressing oil cylinder 26 is hinged between the upper portion of each pressing frame 22 and the two hinged connecting plates 25.
All the oil cylinders 13 are connected with a hydraulic station arranged outside the air shaft 1 through oil pipes, and the hydraulic station provides pressure oil for the oil cylinders.
The working principle is as follows:
the explosion-proof cap plays an important role as an important component of the air shaft, and when the fan stops running, the explosion-proof cap must be capable of automatically lifting to realize the function of natural ventilation; when a disaster happens to a mine, the explosion-proof cap can be opened instantly and automatically, and energy is released, so that a main communication system is protected from being damaged and the life safety of underground workers is protected; when the mine does not need to be started and the anti-explosion cap has no negative pressure, personnel can compress the anti-explosion cap without arriving at the scene, so that the anti-explosion cap is prevented from being opened, the lifting action of the anti-explosion cap is flexible and reliable, the compressing device is reliable in place, and the working reliability and stability of the compressing device are also important factors for mine safety. According to the invention, all the oil cylinders are synchronously supplied with oil by operating the hydraulic station, all the oil cylinders synchronously act to complete the opening and closing of the explosion-proof cap, the operation is very convenient and fast, the counterweight block plays a role in reducing the load of the oil cylinders, and the opening and closing action is smoother and more stable.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides an explosion-proof cap automatic lifting system of colliery air shaft, a serial communication port, including installing a plurality of stand (3) in colliery air shaft (1) upper end, stand (3) top is equipped with two mounting panel (4), install two pulley (7) between two mounting panel (4), it is equipped with haulage rope (8) to walk around two pulley (7) upper ends, balancing weight (9) are installed to the one end of haulage rope (8), the other end and explosion-proof cap (2) of haulage rope (8) link to each other, stand (3) inboard is fixed and is equipped with channel steel (11), hydro-cylinder (13) are installed to channel steel (11) inboard, hydro-cylinder (13) cylinder is installed on channel steel (11) top, hydro-cylinder (13) piston rod links to each other with explosion-proof cap (2).
2. The automatic lifting system of the blast well explosion-proof cap of the coal mine according to claim 1, characterized in that a first mounting seat (12) is arranged at the top end of the upright post (3), a cylinder barrel of the oil cylinder (13) is connected with the first mounting seat (12) through a bolt connecting piece (17), a plurality of guide seats are fixedly arranged at the upper end of the edge of the explosion-proof cap (2), the outer ends of the guide seats are positioned in the channel steel (11), each guide seat comprises a bottom plate (14) connected with the explosion-proof cap (2) in a welding mode and a door-shaped plate (15) fixedly arranged on the bottom plate (14), a second mounting seat (16) is arranged on the door-shaped plate (15), and a piston rod of the oil cylinder (13) is connected with the second mounting seat (16) through the bolt connecting piece (17).
3. The automatic lifting system of the blast shaft explosion-proof cap of the coal mine according to claim 1, characterized in that a plurality of connecting seats (10) are fixedly arranged on the explosion-proof cap (2), and one end of the traction rope (8) is connected with the connecting seats (10).
4. The automatic lifting system for the blast-proof cap of the air shaft for the coal mine according to claim 1, characterized in that a plurality of pressing mechanisms (18) are arranged on the top end face of the air shaft (1).
5. The automatic lifting system of the blast-proof cap of the air shaft of the coal mine according to claim 4, characterized in that the pressing mechanism (18) comprises a base (19) fixedly arranged on the top end face of the blast-proof cap (1), a vertical plate (20) and a central column (21) are arranged on the base (19), a sleeve (23) is sleeved on the central column (21), a pressing frame (22) is welded on the sleeve (23), the top end of the sleeve (23) is installed through a pressing nut (24), a hinged connecting plate (25) is further welded on the upper portion of the sleeve (23), and a pressing oil cylinder (26) is hinged between the upper portion of the pressing frame (22) and the two hinged connecting plates (25).
6. The automatic lifting system for the blast-proof cap of the coal mine air shaft is characterized in that a plurality of pressing mechanisms (18) are uniformly arranged at the top end of the blast shaft (1).
7. The automatic lifting system for the blast-proof cap of the coal mine air shaft is characterized in that a protective cover (6) is arranged above the mounting plate (4) through a support rod (5).
8. The automatic lifting system for the blast well explosion-proof cap of the coal mine according to claim 1, characterized in that all the oil cylinders (13) are connected with a hydraulic station arranged outside the blast well (1) through oil pipes, and the hydraulic station provides pressure oil for the oil cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181040.5A CN114542185A (en) | 2022-02-25 | 2022-02-25 | Automatic lifting system for explosion-proof cap of air shaft of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181040.5A CN114542185A (en) | 2022-02-25 | 2022-02-25 | Automatic lifting system for explosion-proof cap of air shaft of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114542185A true CN114542185A (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210181040.5A Pending CN114542185A (en) | 2022-02-25 | 2022-02-25 | Automatic lifting system for explosion-proof cap of air shaft of coal mine |
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| Country | Link |
|---|---|
| CN (1) | CN114542185A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200978682Y (en) * | 2005-12-31 | 2007-11-21 | 沙同庆 | Coal mining air shaft explosion-proof door locking device |
| CN101943025A (en) * | 2009-07-07 | 2011-01-12 | 兖州煤业股份有限公司 | Vertical air shaft explosion protection door capable of quickly resetting |
| CN102410044A (en) * | 2011-07-14 | 2012-04-11 | 鸡西司瑞电气有限公司 | Vertical ventilating shaft explosion door capable of automatically resetting after blast release and pressure relief |
| CN209212279U (en) * | 2018-12-14 | 2019-08-06 | 郝喜庆 | A kind of explosion-proof door locking device for coal mine air-shaft |
| CN110886622A (en) * | 2019-12-18 | 2020-03-17 | 淮南久诺矿用设备加工有限公司 | Lotus-shaped mine explosion door |
| CN215057527U (en) * | 2021-06-22 | 2021-12-07 | 山东宇能电气有限公司 | Intelligent self-locking device for explosion-proof cover of air shaft |
-
2022
- 2022-02-25 CN CN202210181040.5A patent/CN114542185A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200978682Y (en) * | 2005-12-31 | 2007-11-21 | 沙同庆 | Coal mining air shaft explosion-proof door locking device |
| CN101943025A (en) * | 2009-07-07 | 2011-01-12 | 兖州煤业股份有限公司 | Vertical air shaft explosion protection door capable of quickly resetting |
| CN102410044A (en) * | 2011-07-14 | 2012-04-11 | 鸡西司瑞电气有限公司 | Vertical ventilating shaft explosion door capable of automatically resetting after blast release and pressure relief |
| CN209212279U (en) * | 2018-12-14 | 2019-08-06 | 郝喜庆 | A kind of explosion-proof door locking device for coal mine air-shaft |
| CN110886622A (en) * | 2019-12-18 | 2020-03-17 | 淮南久诺矿用设备加工有限公司 | Lotus-shaped mine explosion door |
| CN215057527U (en) * | 2021-06-22 | 2021-12-07 | 山东宇能电气有限公司 | Intelligent self-locking device for explosion-proof cover of air shaft |
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Application publication date: 20220527 |