CN103541759B - Emergency hoisting system for air return shaft of vertical shaft - Google Patents
Emergency hoisting system for air return shaft of vertical shaft Download PDFInfo
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- CN103541759B CN103541759B CN201310536957.3A CN201310536957A CN103541759B CN 103541759 B CN103541759 B CN 103541759B CN 201310536957 A CN201310536957 A CN 201310536957A CN 103541759 B CN103541759 B CN 103541759B
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- shaft
- returnairshaft
- bearing support
- hoisting system
- vertical
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Abstract
The invention discloses an emergency hoisting system for an air return shaft of vertical shaft. The system is disposed in an air shaft, and two sides of the upper end of the air shaft are communicated with a pedestrian passage and an air passage respectively. A roller platform is arranged at the air shaft at the upper end of the pedestrian passage and the air passage. A hoisting device is arranged on the roller platform and disposed in the shaft bore and under an anti-explosion door, a drive portion of the hoisting device is arranged on the outside of the air shaft, and the hoisting device is in seal connection with the drive portion to separate gases in and out of the shaft bore. According to the emergency hoisting system, deficiencies in the prior art are overcome, the design layout is reasonable, a motor drive portion which is prone to causing of gas explosion is moved to the outside of the air shaft, and a motor and roller connection shaft is in a sealing structure, so that air in and out of the air shaft is separated, and the hoisting system is started to hoist slowly when rescue or shaft bore maintenance is required.
Description
Technical field
The present invention relates in the ventilating shaft of mine and use lifting appliance technical field, specifically belong to a kind of emergent Hoisting System of vertical returnairshaft.
Background technology
The mine of existing underground mining is equipped with returnairshaft, and the ventilation for mine needs.The top of vertical returnairshaft is equipped with explosion proof door, and closely the pit shaft side on surface is provided with blower fan and air channel.Under the powerful pump drainage of blower fan and the cooperation of other equipment, ozone enters each place needing with wind, down-hole by downcast, then is pooled to returnairshaft through respective wind path, discharges through blower fan and air channel.Usual explosion proof door band counterweight balance block, main body to explosion proof door applies lifting force, ventilating shaft is inner is negative pressure state under the work of blower fan, and the main body of the external gas pressure and explosion proof door, from the lifting force of doubling force slightly larger than counterweight balance block, keeps explosion proof door normally to close.When down-hole accident blast occur after or blower fan out of service, negative pressure disappear, the main body of explosion proof door rises to certain altitude under the lifting of counterweight balance block, makes explosion proof door be in opening, maintenance accident condition under the interim natural ventilation of mine.
The another one function of returnairshaft is emergency escape channel, namely arranges solar in returnairshaft, when blasting accident in down-hole, when personnel in the pit cannot get back to ground by normal mode from down-hole, can crawl into ground from the solar of returnairshaft; In addition, along with the development of mining industry in recent years, some special pipelines, as cooling, gutter etc., are also arranged from returnairshaft, connecting downhole and ground sometimes.
Along with the development of mining industry, the degree of depth of mine is more and more darker, if in case of emergency escape personnel crawls into ground from down-hole and is difficult to, if escape personnel has sick and wounded, creeping escape hardly may; In addition, if having pipeline in pit shaft, its service work difficulty of creeping on solar is also very large.For this reason, need in returnairshaft to arrange a kind of Hoisting System, overcome the above problems.But, composition of air in returnairshaft is very complicated, usually the foreign material such as gas, coal dust are entrained with, under, anti-riot door inner at returnairshaft, motor is set and lifting means will likely because spark causes gas explosion, even if employing fire-proof motor, still there is the potential safety hazard that set off an explosion in its related facility under high-risk environment; In addition, the condition required by overhaul of the equipments limits, and arranges motor herein and drive unit is also unallowed.Just because of this, also in returnairshaft, do not arrange service hoisting equipment at present, above problem still exists.
Summary of the invention
The object of this invention is to provide a kind of emergent Hoisting System of vertical returnairshaft, overcome the deficiencies in the prior art, layout is reasonable, transfer to outside ventilating shaft by easily causing the motor driving part of gas explosion to divide, the connecting axle of motor and cylinder adopts hermetically-sealed construction, ensure the seal isolation of ventilating shaft inner air and outer air, when needs rescue or pit shaft maintenance, enable Hoisting System and promote at a slow speed.
The technical solution used in the present invention is as follows:
A kind of emergent Hoisting System of vertical returnairshaft, this Operation system setting is in ventilating shaft, ventilating shaft upper end is provided with explosion proof door, multiple equally distributed balance rack assembly is arranged with outside explosion proof door, described both sides, ventilating shaft upper end are communicated with walkway and air channel respectively, be positioned at walkway and upper end, air channel ventilating shaft is provided with drum platform, drum platform is provided with lifting appliance, lifting appliance is arranged at pit shaft inside, under explosion proof door, the drive part of described lifting appliance is arranged at ventilating shaft outside, lifting appliance and drive part are tightly connected, make the gas barrier inside and outside ventilating shaft cylinder.
Described lifting appliance is made up of cylinder and hoisting container, and drum rotation axis is connected by connecting axle and sealing and connecting device with drive part.
Described connecting axle one end connects the drive part other end by sealing and connecting device and connects drum rotation axis by shaft coupling, and sealing and connecting device is arranged in ventilating shaft body of wall.
Described walkway is provided with twice sealed door, is taken up in order of priority and opens successively, but asynchronously open when personnel pass in and out, and ensures the safety of air insulated.
Described sealing and connecting device, comprise end cap, holder and bearing support, bearing support inserts in holder, holder and bearing support front end have the localization part cooperatively interacted, localization part is fixedly connected with by securing member, and bearing support front end face is provided with the part coordinated with end cap, and bearing is arranged at both sides in bearing support, be provided with sealing mat between described holder and bearing support contact surface, be provided with sealing ring at connecting axle and bearing support, end cap junction.
Between described holder and bearing support, fore-end is taper surface contact.
Be provided with multiple nipple hole seat all distributed outside described holder, reinforcing bar one end and hole seat are fixed, the other end and borehole wall inner concrete reinforcement welding, add the fastness of holder in concrete walling and globality.
Compared with the prior art, beneficial effect of the present invention is as follows:
The present invention transfers to outside ventilating shaft by easily causing the motor driving part of gas explosion to divide, and the connecting axle of motor and cylinder adopts hermetically-sealed construction, ensures the seal isolation of ventilating shaft inner air and outer air, when needs rescue or pit shaft maintenance, enables Hoisting System and promotes at a slow speed.Ore deposit vertical returnairshaft is met an urgent need Hoisting System, and motor driving part part is outside returnairshaft, and adopt the axle of band sealing to be connected with cylinder, guarantee that returnairshaft inner air and outer air isolate, thorough elimination may cause the potential safety hazard of gas explosion.Described ore deposit vertical returnairshaft is met an urgent need Hoisting System, is provided with walkway and double-layer seal door, ensures the safety of air insulated.Described ore deposit vertical returnairshaft is met an urgent need Hoisting System, people, thing, equipment can be realized from ground transport to down-hole, or transport ground to from down-hole by it.Described ore deposit vertical returnairshaft is met an urgent need Hoisting System, can overhaul pipeline or the borehole wall in the wellbore by it.Described linkage assembly, holder and bearing support separate design (not namely being an entirety), be conducive to being convenient for changing when bearing support damages; Described linkage assembly, is provided with rubber parts between its holder and bearing support, can absorb vibration, and play sealing function; Described linkage assembly, the fitting face between its holder and bearing support is taper, is conducive to dismounting and sealing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of linkage assembly of the present invention.
Detailed description of the invention
See accompanying drawing, a kind of emergent Hoisting System of vertical returnairshaft, this Operation system setting is in ventilating shaft 1, ventilating shaft upper end is provided with explosion proof door 9, multiple equally distributed balance rack assembly 901 is arranged with outside explosion proof door 9, described both sides, ventilating shaft 1 upper end are communicated with walkway 2 and air channel 3 respectively, ducting outlet 3 end is provided with blower fan 301, walkway 2 is provided with twice sealed door 201, be provided with People's Bank of China's platform 202 in entrance, walkway, be taken up in order of priority and open successively when personnel pass in and out, one of them road hermatic door is opened, another hermatic door is closed, and ensures the safety of air insulated.Be positioned at walkway 2 and upper end, air channel 3 ventilating shaft is provided with drum platform 4, drum platform 4 is provided with lifting appliance 5, lifting appliance 5 is made up of cylinder 501 and hoisting container 502, drum rotation axis is connected by connecting axle 7 with drive part 6, connecting axle 7 one end connects drive part 6 by linkage assembly 8, and the other end connects drum rotation axis by shaft coupling.Linkage assembly 8, comprise end cap 801, holder 802 and bearing support 803, bearing support 803 inserts in holder 802, holder 802 and bearing support 803 front end have the localization part cooperatively interacted, localization part connects by securing member solid 804 is fixed, bearing support 803 front end face is provided with the part coordinated with end cap 801, bearing 805 is arranged at both sides in bearing support 803, rubber parts 806 is provided with between holder 802 and bearing support 803 contact surface, at connecting axle 7 and bearing support 803, end cap 801 junction is provided with seal 807, between holder 802 and bearing support 803, fore-end is taper surface contact, multiple nipple hole seat 8021 all distributed is provided with outside holder 802, reinforcing bar one end and hole seat 8021 are fixed, the other end and borehole wall inner concrete reinforcement welding.Linkage assembly 8 is arranged in ventilating shaft body of wall, and lifting appliance 5 is arranged under pit shaft inside, explosion proof door 9, and the drive part of lifting appliance 5 is arranged at ventilating shaft 1 outside, and lifting appliance 5 and drive part 6 are tightly connected, and make the gas barrier inside and outside ventilating shaft cylinder.
Claims (7)
1. the emergent Hoisting System of a vertical returnairshaft, this Operation system setting is in ventilating shaft, ventilating shaft upper end is provided with explosion proof door, multiple equally distributed balance rack assembly is arranged with outside explosion proof door, it is characterized in that: described both sides, ventilating shaft upper end are communicated with walkway and air channel respectively, be positioned at walkway and upper end, air channel ventilating shaft is provided with drum platform, drum platform is provided with lifting appliance, lifting appliance is arranged at pit shaft inside, under explosion proof door, the drive part of described lifting appliance is arranged at ventilating shaft outside, lifting appliance and drive part are tightly connected, make the gas barrier inside and outside ventilating shaft cylinder.
2. the emergent Hoisting System of a kind of vertical returnairshaft according to claim 1, it is characterized in that: described lifting appliance is made up of cylinder and hoisting container, drum rotation axis is connected by connecting axle and sealing and connecting device with drive part.
3. the emergent Hoisting System of a kind of vertical returnairshaft according to claim 2, it is characterized in that: described connecting axle one end connects the drive part other end by sealing and connecting device and connects drum rotation axis by shaft coupling, and sealing and connecting device is arranged in ventilating shaft body of wall.
4. the emergent Hoisting System of a kind of vertical returnairshaft according to claim 1, is characterized in that: described walkway is provided with twice sealed door, is taken up in order of priority and opens successively when personnel pass in and out.
5. the emergent Hoisting System of a kind of vertical returnairshaft according to claim 2, it is characterized in that: described sealing and connecting device, comprise end cap, holder and bearing support, bearing support inserts in holder, holder and bearing support front end have the localization part cooperatively interacted, localization part is fixedly connected with by securing member, bearing support front end face is provided with the part coordinated with end cap, bearing is arranged at both sides in bearing support, be provided with sealing mat between described holder and bearing support contact surface, be provided with sealing ring at connecting axle and bearing support, end cap junction.
6. the emergent Hoisting System of a kind of vertical returnairshaft according to claim 5, is characterized in that: between described holder and bearing support, fore-end is taper surface contact.
7. the emergent Hoisting System of a kind of vertical returnairshaft according to claim 5, is characterized in that: be provided with multiple nipple hole seat all distributed outside described holder, reinforcing bar one end and hole seat are fixed, the other end and borehole wall inner concrete reinforcement welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310536957.3A CN103541759B (en) | 2013-11-04 | 2013-11-04 | Emergency hoisting system for air return shaft of vertical shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310536957.3A CN103541759B (en) | 2013-11-04 | 2013-11-04 | Emergency hoisting system for air return shaft of vertical shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103541759A CN103541759A (en) | 2014-01-29 |
| CN103541759B true CN103541759B (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310536957.3A Active CN103541759B (en) | 2013-11-04 | 2013-11-04 | Emergency hoisting system for air return shaft of vertical shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103541759B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775845B (en) * | 2015-04-13 | 2017-01-25 | 淮南矿业(集团)有限责任公司 | Shaft emergency rush repair system for return air shaft |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU601432A1 (en) * | 1976-04-26 | 1978-04-05 | Криворожский Ордена Трудового Красного Знамени Горнорудный Институт Кгри | Device for lowering and lifting operations in vertical and inclined workings |
| CN2654862Y (en) * | 2003-11-17 | 2004-11-10 | 闵哲乾 | Shaft safety climbing ladder for coal mine |
| CN101418703A (en) * | 2008-11-02 | 2009-04-29 | 生瑞涛 | A kind of mine safety evacuation complete plant and manufacture method thereof |
| CN102102531A (en) * | 2010-12-31 | 2011-06-22 | 西安新竹防灾救生设备有限公司 | Deep well rescue device |
| CN203603967U (en) * | 2013-11-04 | 2014-05-21 | 煤炭工业合肥设计研究院 | Emergent hoisting system of vertical air return shaft |
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2013
- 2013-11-04 CN CN201310536957.3A patent/CN103541759B/en active Active
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| CN103541759A (en) | 2014-01-29 |
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