CN203603967U - Emergent hoisting system of vertical air return shaft - Google Patents
Emergent hoisting system of vertical air return shaft Download PDFInfo
- Publication number
- CN203603967U CN203603967U CN201320688418.7U CN201320688418U CN203603967U CN 203603967 U CN203603967 U CN 203603967U CN 201320688418 U CN201320688418 U CN 201320688418U CN 203603967 U CN203603967 U CN 203603967U
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- shaft
- returnairshaft
- bearing support
- air
- hoisting system
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Abstract
The utility model discloses an emergent hoisting system of a vertical air return shaft. The system is arranged in the air shaft. A pedestrian path and an air flue are communicated to the two sides of the upper end of the air shaft respectively, a roller platform is arranged on the portion, at the upper ends of the pedestrian path and the air flue, of the air shaft, a hoisting device is arranged on the roller platform and arranged inside the shaft and below an explosion door, the driving part of the hoisting device is arranged outside the air shaft, the hoisting device is in seal connection with the driving part, and gas inside the air shaft and gas outside the air shaft are isolated. The emergent hoisting system of the vertical air return shaft overcomes the defects in the prior art and is reasonable in design and arrangement, a motor driving part prone to causing gas explosion is transferred to the outer side of the air shaft, a connecting shaft of a motor and a roller is of a sealing structure, sealing isolation of air inside the air shaft and the gas outside the air shaft is ensured, and when rescue or shaft maintenance is needed, the hoisting system is started to conduct low-speed hoisting.
Description
Technical field
The present invention relates to use lifting appliance technical field in the ventilating shaft of mine, specifically belong to a kind of emergent Hoisting System of vertical returnairshaft.
Background technology
The mine of existing underground mining is equipped with returnairshaft, needs for the ventilation of mine.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 down-hole by downcast, and each need to use the place of wind, then is pooled to returnairshaft through wind path separately, discharges through blower fan and air channel.Conventionally explosion proof door band counterweight balance piece, main body to explosion proof door applies lifting force, ventilating shaft inside is negative pressure state under the work of blower fan, and the main body of the external gas pressure and explosion proof door is slightly larger than the lifting force of counterweight balance piece from doubling force, keeps explosion proof door normally to close.After down-hole accident blast occurs or blower fan out of service, negative pressure disappears, the main body of explosion proof door rises to certain altitude under the lifting of counterweight balance piece, makes explosion proof door in opening, the interim natural ventilation of mine under maintenance accident condition.
The another one function of returnairshaft is emergency escape channel, in returnairshaft, has arranged solar, when the down-hole accident of blasting, when personnel in the pit cannot get back to ground from down-hole by normal mode, 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 connecting downhole and ground sometimes from returnairshaft.
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 crawl into from down-hole ground be difficult to, sick and wounded if escape personnel has, creeping escape hardly may; In addition, if there is pipeline in pit shaft, its service work difficulty of creeping on solar is also very large.For this reason, in returnairshaft, need to arrange a kind of Hoisting System, overcome the above problems.But, composition of air in returnairshaft is very complicated, conventionally carrying the foreign material such as gas, coal dust secretly, motor and lifting means are set under returnairshaft inside, anti-riot door will be likely because spark causes gas explosion, even employing fire-proof motor, still there is the potential safety hazard setting off an explosion in its related facility under high-risk environment; In addition, be subject to the condition restriction of overhaul of the equipments requirement, it is also unallowed that motor and drive unit are set herein.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, the deficiencies in the prior art are overcome, layout is reasonable, the motor driving part that easily causes gas explosion is divided and transferred to outside ventilating shaft, the connecting axle of motor and cylinder adopts hermetically-sealed construction, guarantee the seal isolation of ventilating shaft inner air and outer air, in the time of 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 system is arranged in ventilating shaft, ventilating shaft upper end is provided with explosion proof door, explosion proof door is arranged with multiple equally distributed balance rack assemblies outward, described both sides, ventilating shaft upper end are communicated with respectively walkway and air channel, 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 inside and outside gas barrier of ventilating shaft cylinder.
Described lifting appliance has cylinder and hoisting container to form, 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 assembly and connects drum shaft by shaft coupling, and sealing and connecting device assembly 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 open when different when personnel pass in and out, and guarantees the safety of air insulated.
Described sealing and connecting device assembly, comprise end cap, holder and bearing support, bearing support inserts in holder, holder and bearing support front end have the localization part cooperatively interacting, localization part is fixedly connected with by securing member, and bearing support front end face is provided with the part coordinating with end cap, and bearing is arranged at both sides in bearing support, between described holder and bearing support contact surface, be provided with sealing mat, 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.
Described holder is provided with multiple nipple hole seats that all distribute outward, and reinforcing bar one end and hole seat are fixed, and the other end and the welding of borehole wall inner concrete reinforcing bar, increased fastness and the globality of holder in concrete walling.
Compared with the prior art, beneficial effect of the present invention is as follows:
The present invention divides the motor driving part that easily causes gas explosion to transfer to outside ventilating shaft, and the connecting axle of motor and cylinder adopts hermetically-sealed construction, guarantees the seal isolation of ventilating shaft inner air and outer air, in the time of needs rescue or pit shaft maintenance, enables Hoisting System and promotes at a slow speed.The ore deposit vertical returnairshaft Hoisting System of meeting an urgent need, motor driving part part, outside returnairshaft, adopts the axle of band sealing to be connected with cylinder, guarantees the isolation of returnairshaft inner air and outer air, and thorough elimination may cause the potential safety hazard of gas explosion.The described ore deposit vertical returnairshaft Hoisting System of meeting an urgent need, is provided with walkway and double-layer seal door, guarantees the safety of air insulated.The described ore deposit vertical returnairshaft Hoisting System of meeting an urgent need, can realize people, thing, equipment from ground transport to down-hole by it, or transport ground to from down-hole.The described ore deposit vertical returnairshaft Hoisting System of meeting an urgent need can be overhauled by it pipeline or the borehole wall in pit shaft.Described linkage assembly, holder and bearing support separate design (not being an entirety), being convenient for changing while being conducive to bearing support damage; Described linkage assembly, is provided with rubber parts between its holder and bearing support, can absorb vibration, and plays 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.
The specific embodiment
Referring to accompanying drawing, a kind of emergent Hoisting System of vertical returnairshaft, this system is arranged in ventilating shaft 1, ventilating shaft upper end is provided with explosion proof door 9, outside explosion proof door 9, be arranged with multiple equally distributed balance rack assemblies 901, described ventilating shaft 1 both sides, upper end are communicated with respectively walkway 2 and air channel 3, ducting outlet 3 ends are 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, when personnel pass in and out, be taken up in order of priority and open successively, one of them road hermatic door is opened, another hermatic door is closed, and guarantees the safety of air insulated.Be positioned at walkway 2 and air channel 3 upper end ventilating shafts are provided with drum platform 4, drum platform 4 is provided with lifting appliance 5, lifting appliance 5 has cylinder 501 and hoisting container 502 to form, drum rotation axis is connected by connecting axle 7 with drive part 6, connecting axle 7 one end connect drive part 6 by linkage assembly 8, and the other end connects drum shaft 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 has with bearing support 803 front ends the localization part cooperatively interacting, localization part consolidated for 804 fixed connections by securing member, bearing support 803 front end faces are provided with the part coordinating with end cap 801, bearing 805 is arranged at the interior both sides of bearing support 803, between holder 802 and bearing support 803 contact surfaces, be provided with rubber parts 806, at connecting axle 7 and bearing support 803, end cap 801 junctions are provided with seal 807, between holder 802 and bearing support 803, fore-end is taper surface contact, outside holder 802, be provided with multiple nipple hole seats 8021 that all distribute, reinforcing bar one end and hole seat 8021 are fixing, the other end and the welding of borehole wall inner concrete reinforcing bar.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 is tightly connected with drive part 6, makes the inside and outside gas barrier of ventilating shaft cylinder.
Claims (7)
1. the emergent Hoisting System of a vertical returnairshaft, this system is arranged in ventilating shaft, ventilating shaft upper end is provided with explosion proof door, explosion proof door is arranged with multiple equally distributed balance rack assemblies outward, it is characterized in that: described both sides, ventilating shaft upper end are communicated with respectively walkway and air channel, 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 inside and outside gas barrier of ventilating shaft cylinder.
2. the emergent Hoisting System of a kind of vertical returnairshaft according to claim 1, is characterized in that: described lifting appliance has cylinder and hoisting container to form, and 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 assembly and connects drum shaft by shaft coupling, and sealing and connecting device assembly 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, when personnel pass in and out, is taken up in order of priority and opens successively.
5. the emergent Hoisting System of a kind of vertical returnairshaft according to claim 1, it is characterized in that: described sealing and connecting device assembly, comprise end cap, holder and bearing support, bearing support inserts in holder, holder and bearing support front end have the localization part cooperatively interacting, localization part is fixedly connected with by securing member, bearing support front end face is provided with the part coordinating with end cap, bearing is arranged at both sides in bearing support, between described holder and bearing support contact surface, be provided with sealing mat, 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: described holder is provided with multiple nipple hole seats that all distribute outward, and reinforcing bar one end and hole seat are fixed, the other end and the welding of borehole wall inner concrete reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688418.7U CN203603967U (en) | 2013-11-04 | 2013-11-04 | Emergent hoisting system of vertical air return shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688418.7U CN203603967U (en) | 2013-11-04 | 2013-11-04 | Emergent hoisting system of vertical air return shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203603967U true CN203603967U (en) | 2014-05-21 |
Family
ID=50716644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320688418.7U Withdrawn - After Issue CN203603967U (en) | 2013-11-04 | 2013-11-04 | Emergent hoisting system of vertical air return shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203603967U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541759A (en) * | 2013-11-04 | 2014-01-29 | 煤炭工业合肥设计研究院 | Emergency hoisting system for air return shaft of vertical shaft |
| CN109139077A (en) * | 2018-08-14 | 2019-01-04 | 中煤科工集团西安研究院有限公司 | Mine water disaster relief wellbore bottom hole air pressure maintaining ventilation equipment and method |
-
2013
- 2013-11-04 CN CN201320688418.7U patent/CN203603967U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541759A (en) * | 2013-11-04 | 2014-01-29 | 煤炭工业合肥设计研究院 | Emergency hoisting system for air return shaft of vertical shaft |
| CN109139077A (en) * | 2018-08-14 | 2019-01-04 | 中煤科工集团西安研究院有限公司 | Mine water disaster relief wellbore bottom hole air pressure maintaining ventilation equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20150715 |
|
| RGAV | Abandon patent right to avoid regrant |