CN101475118A - Mining explosion-proof traction elevator - Google Patents
Mining explosion-proof traction elevator Download PDFInfo
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- CN101475118A CN101475118A CNA2008102432502A CN200810243250A CN101475118A CN 101475118 A CN101475118 A CN 101475118A CN A2008102432502 A CNA2008102432502 A CN A2008102432502A CN 200810243250 A CN200810243250 A CN 200810243250A CN 101475118 A CN101475118 A CN 101475118A
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Abstract
The invention provides a mine-used explosion prevention dragging elevator, and relates to a mine-used dragging elevator provided with explosion prevention function. The elevator comprises a dragging drive machine set, an explosion prevention control box, a steel cable, a cage, a guide rail, a counterpoise, a hoistway, a door structure and a safe facility, wherein the dragging drive machine set comprises a drive with an operating speed of between 0.25 and 4.0 meters/second and capable of operating within the lifting height of 400 meters, a brake, a speed reducer and a dragging wheel; the cage is a steel body with a loading range of between 200 and 5,000 kilograms capable of operating within the range of a hoistway inclination of between 0 and 90 degrees; a control component and an electrical component are both intrinsic safety type explosion prevention power supplies or intrinsic safety type related equipment; and the surface temperature of the explosion prevention control box and a dragger brake band-type brake is lower than 135 DEG C. The elevator can be used under the environment of explosive mixed gas and corrosive gas, such as methane, coal dust and the like existing in a mine well, and also meet the technical requirements on water prevention, moisture resistance, corrosion prevention, shock wave prevention, and the like.
Description
Technical field
The present invention relates to mine with manned loading lifting means, specially refer to mining towed elevator with explosion prevention function.
Background technology
Before the present invention proposed, the subsurface excavation industry used cage or cage hoisting machine to come realization personnel and goods and materials to enter mine vertically always.Cage or cage be operation up and down in the vertical hoistway of mine.The steel rope at its top is introduced on the winch in the winch machine room through the pulley in the pulley room, then with the winch machine room in steady heavy phase link.Be subjected to the driving of electrical motor, winch is by rope traction cage or cage upstream or downstream in the vertical hoistway of mine, and the steady weight of the other end of steel rope is downlink or uplink thereupon in the passage of winch machine room then.Operating personal is operated its lifting by the monitoring device that is contained in cage or the cage in machine room, the passenger of cage is uncontrollable, also can't in time transmit down-hole information.
Because the power consumption of the restriction winch of its structure is also very big, mechanical efficiency is also very low.When being 150kg as the load-carrying of winch cage, its power reaches 22KW.
Secondly, cage or cage are the quadra structure, and the door of half guard bar as cage adopted in the front and back of framework, and the railing door of its ground and tunnel, shaft bottom Men Yiwei half guardrail does not have safety prevention measure.Implement brake operating by ground Control Room, the personnel in the cage carry cage after its braking braking spanner control makes cage force to stop, and safety can not be guaranteed fully; Cage or cage are to make guide slide by the steel rope of both sides in vertical its guiding in service, because cage is when operation, speed is very fast, and the flexible wire ropes vibrations of guiding are very terrible, do not have comfort to talk at all.
And methane gas explosive mixture gas arranged under the mine, the existence of moist in coal dust and the hoistway, ponding and aggressive fume has brought difficulty to the transformation of mine hoisting device.
Summary of the invention
The technical problem to be solved in the present invention is to overcome deficiency of the prior art, a kind of mining explosion-proof traction elevator is provided, it is adapted at using in the environment that explosive mixture gases such as methane, coal dust exist, also is adapted at using in the environment that moist in the hoistway, the ponding and the gas that is corrosive exists.And safety, traveling comfort all increase; Manufacturing cost and energy consumption all decrease.
The present invention is achieved by the following technical measures.A kind of mining explosion-proof traction elevator comprises the traction actuating unit that is arranged in the machine room, explosion-proof control box; Steel rope; Car; Guide rail; Counterweight; Hoistway; Door and safety facilities; Steel rope pile warp traction actuating unit is connected to car and counterweight, and car and counterweight carry out the up-and-down movement (the up counterweight of car is descending or the descending counterweight of car is up) of formula along guide rail; Door comprises gate machine, lift-cabin door board, the anti-pinch people's device that is arranged on the car; Be arranged on layer door suspension member, layer every plate on the layer door; Safety facilities comprise safety tongs, velocity limiter, the limit switch that is attached on the car; The explosion-proof phone of warning in the car and the security window of anti-explosion alarming button and car top, emergency lighting in the perspective window on the car door, car and the cat ladder in the hoistway; It is characterized in that:
(1) described traction actuating unit comprises that running velocity is the flame-proof type explosion-proof motor of 0.25～4.0m/s, the retarder that links to each other with fire proof motor, link to each other with retarder and hoisting depth 400m with interior towing machine, with the contacted traction machine brake of towing machine.
(2) described traction machine brake is that surface temperature control that the towing machine braking brake is produced is at zero drg of the flame-proof type below 135 ℃.
(3) described car is that the load-carrying scope is the steel structure body of 200kg～5000kg and process pot galvanize that can move in the hoistway gradient is 0 °～90 ° scopes and antifretting coating processing;
(4) described explosion-proof control box comprises all function uniies, electric component and the radiator of the described explosion-proof control box of strict control surface degree less than 135 ℃;
(5) described function unit and electric component all are intrinsic safety type explosion-proof electric apparatus or intrinsic safety associate device;
Described steel rope is the anti-corrosion type traction steel-cable;
Described car comprises car frame, the car walls that is connected with car frame.
Described car frame is to be used for placing and the fixing supporting member of car, safety tongs.
Described counterweight comprises counterweight frame, is placed on counterweight iron and the protective cover outside counterweight frame on the counterweight frame; Described counterweight is the counterbalanced weight of described car, and through anti-corrosion treatment.
Motor in the described door all adopts the flame-proof type explosion-proof motor, and anti-pinch people's device is the explosion proof type structure.
Described that hold elevator operation and be provided with from pit one until the hoistway of the escape ladder of machine room at below ground.
The described machine room of taking in traction actuating unit and described explosion-proof control box is arranged under the mine or on the ground.
A kind of mining explosion-proof traction elevator comprise traction actuating unit, explosion-proof control box, steel rope, car, counterweight, guide rail, hoistway, door,, safety facilities, maneuvering system.
Described traction actuating unit is the drive system of mining explosion-proof traction elevator, comprise that running velocity is the flame-proof type explosion-proof motor of 0.25～4.0m/s, the retarder that links to each other with fire proof motor, that link to each other with retarder and hoisting depth 400m is with interior towing machine, with the contacted traction machine brake of towing machine.
Described traction actuating unit is selected the flame-proof type explosion-proof motor that is applicable to Minepit environment for use, traction machine brake adopts flame-proof type zero drg, the surface temperature control that control towing machine braking brake produces is below 135 ℃, its protection can reach and prevent that fully dust from entering in the electrical equipment shell, though or can not prevent dust fully, the amount of the dust of invading does not have deleterious effect and prevents the water intrusion that splashes of any direction.
Explosion-proof control box is a steel welding casing, and explosive-proof grade is Exdib I; Be placed in the machine room, the function unit of elevator and electric component all are intrinsic safety type explosion-proof electric apparatus or intrinsic safety associate device and are placed in the described explosion-proof control casing; Because laying dust in the environment is provided with radiator specially, strict its surface temperature of control is less than below 135 ℃.
The described traction actuating unit of described steel rope pile warp is connected to car and counterweight; Described car and described counterweight carry out the up-and-down movement (the up counterweight of car is descending or the descending counterweight of car is up) of formula along guide rail; Described steel rope is the anti-corrosion type traction steel-cable.
The load-carrying scope is 200kg～5000kg, and can be that the described car that moves in 0 °～90 ° scopes is the carrier that elevator transports passenger and goods in the hoistway gradient.Reasonable structural design makes its framing member not have the dead angle, and car is the steel structure body through pot galvanize and antifretting coating processing;
Described counterweight comprises counterweight frame, is placed on counterweight iron and the protective cover outside counterweight frame on the counterweight frame; Described counterweight is the counterbalanced weight of described car, and the steel member in interior all passes through anti-corrosion treatment, and partial component adopts high strength polyamine fat, satisfies in the downhole anti-explosion requirement.
Door comprises gate machine, lift-cabin door board, the anti-pinch people's device that is arranged on the car; Be arranged on layer door suspension member, layer every plate on the layer door.The dynamo-electric machine of gate adopts the flame-proof type explosion-proof motor, its safety control and anti-pinch people device are explosion proof type, motor, low-voltage electrical apparatus shell protection can reach and prevent that fully dust from entering in the electrical equipment shell, though or can not prevent dust fully, the amount of the dust of invading does not have deleterious effect and prevents the water intrusion that splashes of any direction.
Hoistway and machine room, hoistway is located at below ground, be provided with in the hoistway from the escape ladder of pit one until machine room, elevator moves in hoistway.Traction actuating unit and explosion-proof control box are placed in the machine room, and the machine room setting is on the ground or under mine.Motor, low-voltage electrical apparatus shell protection can reach and prevent that fully dust from entering in the electrical equipment shell, though or can not prevent dust fully, the amount of the dust of invading does not have deleterious effect and prevents the water intrusion that splashes of any direction.
Safety system comprises two parts, and a part is for being attached to safety tongs, velocity limiter, the limit switch on the car; Another part is report to the police in the car explosion-proof phone and anti-explosion alarming button; Car top is opened and is established cat ladder in security window and the hoistway and communicate from pit one until machine room in addition; Car door is opened the perspective window, can see the exterior situation of car in car.Elevator is established the car emergency lighting, can provide emergency lighting under the situation of outage.
Maneuvering system comprises panel block and the calling of layer door in the sedan-chair.Use stainless steel and adopt flame-proof type structure case to satisfy explosion-proof, dust and water protection requirement; Elevator travelling people person can the direct control elevator rising and decline, also can be provided with driver control as required;
All motors, low-voltage electrical apparatus shell protection grade are not less than IP54.IP54 is the grade of GB1498-79 motor, low-voltage electrical apparatus shell protection grade defined, is defined as dustproofly, prevents that fully foreign object from invading.Though or can not prevent fully that dust from invading, the amount of the dust of invading can not influence normal running.Splash proofing water intrusion simultaneously prevents splashing of any direction and the water that comes enters and causes damage.
After the present invention adopts abovementioned technology, changed the subsurface excavation industry and used cage or cage hoisting machine to come realization personnel and goods and materials to enter the situation of mine vertically always.Mining explosion-proof traction elevator can use having methane, coal dust to exist in the environment of explosive mixture gas, also is adapted at using in the environment of humidity in the hoistway, ponding, the gas that is corrosive existence.Use this elevator not only manufacturing cost greatly descend, and energy consumption also obviously reduces, and compares with cage or cage hoisting machine, the elevator load-carrying can reach 1000KG under identical power consumption situation, and the load-carrying of winch cage only is 150kg.Also demonstrated fully simultaneously higher safety, lower use cost and hommization control.
Description of drawings
Fig. 1 is the front elevational schematic of the embodiment of the invention
Fig. 2 is that the A of the embodiment of the invention is to scheme drawing
Fig. 3 is the B-B cross-sectional schematic of the embodiment of the invention
Among the figure: 1 is that traction actuating unit, 2 is that steel rope, 3 is that car, 4 is that counterweight, 5 is that guide rail, 6 is that door, 7 is that hoistway, 8 is that safety facilities, 9 are that explosion-proof control box, 10 is a machine room.
Among the figure: 11 is that towing machine, 12 is that fire proof motor, 13 is that traction machine brake, 14 is that retarder, 15 is that track adjusting wheel, 16 is for putting the machine beam.
31 is that car walls, 32 is car frame.
41 is that counterweight frame, 42 is that counterweight iron, 43 is protective cover.
6-1 is layer door, and 61 is that gate machine, 62 is that lift-cabin door board, 63 is that anti-pinch people device, 64 is that layer door suspension member, 65 is layer every plate.
81 is that hoistway escape ladder, 82 is that security window, 83 is that velocity limiter, 84 is that cage illumination, 85 is that safety tongs, 86 is that limit switch, 87 is that the explosion-proof phone of the interior warning of car, 88 is that anti-explosion alarming button, 89 is to have an X-rayed window.
101 is that panel block in the sedan-chair, 102 is the calling of layer door.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment: as Fig. 1～shown in Figure 3, a kind of mining explosion-proof traction elevator comprises traction actuating unit 1, explosion-proof control box 9, steel rope 2, car 3, guide rail 5, counterweight 4, hoistway 7, door 6 and safety facilities 8.These parts itself comprise some unit, connect into mining explosion-proof traction elevator integral body by machinery or electric wiring each other.
Traction actuating unit 1 is the drive system of mining explosion-proof traction elevator, comprise that running velocity is the flame-proof type explosion-proof motor 12 of 0.3m/s, the retarder 14 that links to each other with fire proof motor 12, and hoisting depth 200m that link to each other with retarder 14 is with interior towing machine 11, with towing machine 11 contacted traction machine brakes 13.
Towing machine 11 is installed on the interior machine of the putting beam 16 of machine room, and track adjusting wheel 15 is fixed on the bottom of putting machine beam 16.Because environment has dust, the towing machine surface just may laying dust after work a period of time.The temperature that produces in the work is difficult for shedding, and its surface temperature can increase.Traction machine brake 13 adopts the flame-proof type braking, the surface temperature control that control towing machine braking brake produces is below 135 ℃, its protection can reach and prevent that fully dust from entering in the electrical equipment shell, though or can not prevent dust fully, the amount of the dust of invading does not have deleterious effect and prevents the water intrusion that splashes of any direction.Satisfy the requirement that all electrical equipment under the coal mine, low-voltage electrical apparatus shell protection grade are not less than IP54.
Explosion-proof control box 9 is steel welding casing, and explosive-proof grade is Exdib I; Be placed in the machine room, the function unit electric component of elevator all is intrinsic safety type explosion-proof electric apparatus or intrinsic safety associate device and is placed in this explosion-proof control box; Because laying dust in the environment is provided with radiator specially, strict its surperficial degree of control is less than below 135 ℃.
Steel rope 2 adopts the anti-corrosion type traction steel-cable, and steel rope 2 pile warp traction actuating unit 1 are connected to car 3 and counterweight 4;
The load-carrying scope is 2000kg and is that the car 3 of operation in 90 ° comprises car frame 32 and car walls 31 in the hoistway gradient that car frame 32 is to be used for placing and the fixing supporting member of car walls 31, safety tongs 85, and car walls 31 is carriers that elevator transports passenger and goods.There is not the dead angle in the framing member of the car 3 that the employing stainless steel material is made, and all stainless steel structure parts all adopt pot galvanize and antifretting coating to handle;
Described counterweight 4 comprises counterweight frame 41, is placed on the protective cover 43 that the counterweight iron 42 on the counterweight frame 41 reaches in counterweight frame 41 outsides; Described counterweight 4 is counterbalanceds weight of described car 3.The steel member of counterweight 4 all passes through anti-corrosion treatment, satisfies in the downhole anti-explosion requirement.
Door 6 comprises the gate machine 61, lift-cabin door board 62, the anti-pinch people's device 63 that are arranged on the car 3, is arranged on layer door suspension member 64, layer every plate 65 on the layer door 6-1; Adopt the mode of opening the door of midsplit type.The motor of gate machine 61 adopts the flame-proof type explosion-proof motor, its safety control and anti-pinch people device 63 are explosion proof type, motor, low-voltage electrical apparatus shell shell protection can reach and prevent that fully dust from entering in the electrical equipment shell, though or can not prevent dust fully, but the amount of the dust of invading does not have deleterious effect and prevents the water intrusion that splashes of any direction, satisfies the requirement that all electrical equipment under the coal mine, low-voltage electrical apparatus shell protection grade are not less than IP54.
Hoistway 7 and machine room 10, hoistway is located at below ground; The position of machine room 10 is in 0.0 position, ground or under mine.Be provided with from the escape ladder 81 of pit one until machine room in the hoistway 7, elevator moves in hoistway 7, and traction actuating unit 1 and explosion-proof control box 9 are placed in the machine room 10.Motor, low-voltage electrical apparatus shell protection can reach and prevent that fully dust from entering in the electrical equipment shell, though or can not prevent dust fully, the amount of the dust of invading does not have deleterious effect and prevents the water intrusion that splashes of any direction.Satisfy the requirement that all electrical equipment under the coal mine, low-voltage electrical apparatus shell protection grade are not less than IP54.
Safety system 8 comprises two parts, and a part comprises safety tongs 85, velocity limiter 83, the limit switch 86 that is attached on the car; Another part comprises report to the police in the car explosion-proof phone 87 and anti-explosion alarming button 88; When overload, hypervelocity appearred in elevator, safety tongs 85, velocity limiter 83 actions made lift car 3 out of service, if when arriving the position of limit switch 86, cut off the elevator power supply, forced elevator to stop; If the travelling people person of elevator can dial telephone call 87 or by alarm button 88 direct and Control Room connections, guarantee elevator and elevator travelling people person's personal safety when going wrong in elevator.Car top is opened security window 82 and interior the communicating from the escape ladder 81 of pit one until machine room of being provided with of hoistway in addition; Car door is opened perspective window 89, can see the exterior situation of car in car.Elevator is established cage illumination 84, can provide emergency lighting under the situation of outage, and the emergency lighting time is 1 hour.
All motors, low-voltage electrical apparatus shell protection grade are not less than GB1498-79, the grade IP54 of motor, low-voltage electrical apparatus shell protection grade defined.
Above-described only is preferred implementation of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the principle of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (9)
1. a mining explosion-proof traction elevator comprises the traction actuating unit (1) and the explosion-proof control box (9) that are arranged in the machine room (10); Steel rope (2); Car (3); Guide rail (5); Counterweight (4); Hoistway (7); Door (6) and safety facilities (8); Steel rope (2) pile warp traction actuating unit (1) is connected to car (3) and counterweight (4); Car (3) and counterweight (4) carry out the up-and-down movement of formula along guide rail (5); Door (6) comprises the gate machine (61), lift-cabin door board (62), the anti-pinch people's device (63) that are arranged on the car (3), is arranged on layer door suspension member (64), layer every plate (65) on the layer door (6-1); Safety facilities (8) comprise safety tongs (85), velocity limiter (83) and the limit switch (86) that is attached on the car (3); The explosion-proof phone of warning (87) in the car and the security window (82) of anti-explosion alarming button (88) and car top, the emergency lighting (84) in the perspective window (89) on the car door, car and hoistway interior from the escape ladder (81) of pit one until machine room; It is characterized in that:
(1) described traction actuating unit (1) comprises that running velocity is the flame-proof type explosion-proof motor (12) of 0.25～4.0m/s, the retarder (14) that links to each other with fire proof motor (12), that link to each other with retarder (14) and hoisting depth 400m is with interior towing machine (11), with the contacted traction machine brake of towing machine (11) (13).
(2) described traction machine brake (13) is that surface temperature control that the towing machine braking brake is produced is at 135 ° of flame-proof types below the C, zero drg.
(3) described car (3) is that the load-carrying scope is the steel structure body of 200kg～5000kg and process pot galvanize that moves in the hoistway gradient is 0 °～90 ° scopes and antifretting coating processing;
(4) described explosion-proof control box comprises all function uniies, and electric component and the described explosion-proof control box of strict control surface degree are less than the radiator of 135 ° of C;
(5) described function unit and electric component all are intrinsic safety type explosion-proof electric apparatus or intrinsic safety associate device.
2. a kind of mining explosion-proof traction elevator according to claim 1 is characterized in that: described steel rope (2) adopts the anti-corrosion type traction steel-cable;
3. a kind of mining explosion-proof traction elevator according to claim 1 is characterized in that: described car (3) comprises car frame (32), the car walls (31) that is connected with car frame (32).
4. a kind of mining explosion-proof traction elevator according to claim 3 is characterized in that: described car frame (32) is to be used for placing and the fixing supporting member of car walls (31), safety tongs (85).
5. a kind of mining explosion-proof traction elevator according to claim 1 is characterized in that: described counterweight (4) comprises counterweight frame (41), is placed on counterweight iron (42) and the protective cover (43) outside counterweight frame (41) on the counterweight frame (41); Described counterweight (4) is the counterbalanced weight of described car (3), and through anti-corrosion treatment.
6. a kind of mining explosion-proof traction elevator according to claim 1 is characterized in that: the motor in the described door (6) all adopts the flame-proof type explosion-proof motor, and anti-pinch people's device (63) is the explosion proof type structure.
7. a kind of mining explosion-proof traction elevator according to claim 1 is characterized in that: the described hoistway (7) of elevator operation that holds is at below ground.
8. a kind of mining explosion-proof traction elevator according to claim 1 is characterized in that: the described machine room (10) of taking in traction actuating unit (1) and described explosion-proof control box (9) is arranged under the mine.
9. a kind of mining explosion-proof traction elevator according to claim 1 is characterized in that: the described machine room (10) of taking in traction actuating unit (1) and described explosion-proof control box (9) is arranged on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102432502A CN101475118A (en) | 2008-12-19 | 2008-12-19 | Mining explosion-proof traction elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102432502A CN101475118A (en) | 2008-12-19 | 2008-12-19 | Mining explosion-proof traction elevator |
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| CN101475118A true CN101475118A (en) | 2009-07-08 |
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| CNA2008102432502A Pending CN101475118A (en) | 2008-12-19 | 2008-12-19 | Mining explosion-proof traction elevator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856210A (en) * | 2010-06-17 | 2010-10-13 | 芜湖爱瑞特环保科技有限公司 | Water wiping rake lifting mechanism |
| CN102275799A (en) * | 2011-07-08 | 2011-12-14 | 中国矿业大学 | Mine elevator |
| CN102502371A (en) * | 2011-11-07 | 2012-06-20 | 上海市特种设备监督检验技术研究院 | Detection method for temperature rise of explosion-proof elevator during braking of brake |
| CN102963801A (en) * | 2012-11-26 | 2013-03-13 | 张利锋 | Mine explosion-proof escalator |
| CN104370188A (en) * | 2014-10-08 | 2015-02-25 | 广州市京龙工程机械有限公司 | Explosion-proof construction hoist and explosion-proof system thereof |
| CN104444710A (en) * | 2014-09-28 | 2015-03-25 | 苏州福沃斯电梯有限公司 | Elevator |
| CN106185545A (en) * | 2016-08-24 | 2016-12-07 | 浙江奋钧电梯科技有限公司 | A kind of protected against explosion simplified elevator |
| CN108128689A (en) * | 2017-12-25 | 2018-06-08 | 中矿金业股份有限公司 | A kind of electricity-generating method of elevator cage |
| CN110451390A (en) * | 2019-08-16 | 2019-11-15 | 湖北电梯厂 | A kind of mine lift control system containing electromagnetic door lock and method |
| CN111003617A (en) * | 2019-12-19 | 2020-04-14 | 临沂矿业集团菏泽煤电有限公司 | Elevator control system for coal mine, overspeed alarm method and residue detection method |
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2008
- 2008-12-19 CN CNA2008102432502A patent/CN101475118A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856210A (en) * | 2010-06-17 | 2010-10-13 | 芜湖爱瑞特环保科技有限公司 | Water wiping rake lifting mechanism |
| AU2011373097B2 (en) * | 2011-07-08 | 2015-12-24 | China University Of Mining And Technology | Mine elevator |
| CN102275799A (en) * | 2011-07-08 | 2011-12-14 | 中国矿业大学 | Mine elevator |
| CN102275799B (en) * | 2011-07-08 | 2013-01-16 | 中国矿业大学 | Mine elevator |
| WO2013007059A1 (en) * | 2011-07-08 | 2013-01-17 | 中国矿业大学 | Mine elevator |
| US9272881B2 (en) | 2011-07-08 | 2016-03-01 | China University Of Mining And Technology | Mining elevator |
| CN102502371B (en) * | 2011-11-07 | 2013-10-30 | 上海市特种设备监督检验技术研究院 | Detection method for temperature rise of explosion-proof elevator during braking of brake |
| CN102502371A (en) * | 2011-11-07 | 2012-06-20 | 上海市特种设备监督检验技术研究院 | Detection method for temperature rise of explosion-proof elevator during braking of brake |
| CN102963801A (en) * | 2012-11-26 | 2013-03-13 | 张利锋 | Mine explosion-proof escalator |
| CN104444710A (en) * | 2014-09-28 | 2015-03-25 | 苏州福沃斯电梯有限公司 | Elevator |
| CN104370188A (en) * | 2014-10-08 | 2015-02-25 | 广州市京龙工程机械有限公司 | Explosion-proof construction hoist and explosion-proof system thereof |
| CN106185545A (en) * | 2016-08-24 | 2016-12-07 | 浙江奋钧电梯科技有限公司 | A kind of protected against explosion simplified elevator |
| CN108128689A (en) * | 2017-12-25 | 2018-06-08 | 中矿金业股份有限公司 | A kind of electricity-generating method of elevator cage |
| CN110451390A (en) * | 2019-08-16 | 2019-11-15 | 湖北电梯厂 | A kind of mine lift control system containing electromagnetic door lock and method |
| CN111003617A (en) * | 2019-12-19 | 2020-04-14 | 临沂矿业集团菏泽煤电有限公司 | Elevator control system for coal mine, overspeed alarm method and residue detection method |
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