CN105438914A - Car type elevator anti-falling safety system - Google Patents
Car type elevator anti-falling safety system Download PDFInfo
- Publication number
- CN105438914A CN105438914A CN201610007834.4A CN201610007834A CN105438914A CN 105438914 A CN105438914 A CN 105438914A CN 201610007834 A CN201610007834 A CN 201610007834A CN 105438914 A CN105438914 A CN 105438914A
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- Prior art keywords
- car
- elevator
- air bag
- positioning plate
- door opening
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/08—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding
- B66B5/10—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention specifically relates to a car type elevator anti-falling safety system, and aims to provide an anti-falling safety system with simple structure, safety, reliability and effective protection of passenger safety. The system comprises an airbag component; the airbag component includes a supplementary restraint system; a gas generator and an ignition device are arranged in the supplementary restraint system; the ignition device is controlled by an electronic controller; the airbag component is arranged in a placing hole horizontally formed in the side wall of an elevator shaft below an elevator door opening; a groove is formed in the other side wall of the elevator shaft corresponding to the placing hole; an acceleration sensor and a height sensor are arranged in a car; and output signals of the acceleration sensor and the height sensor are sent to the electronic controller. When the car falls, one or more airbag components nearest the car and below the car act, so that the falling speed of the car is quickly reduced until the car is stopped; and as the falling impact of the car is less, the passenger body safety can be effectively protected.
Description
Technical field
The present invention relates to elevator safety technical field, be specifically related to a kind of Lift car type elevator anti-falling safe system.
Background technology
Current Lift car type elevator is all provided with emergency braking apparatus, there is safety failure, time as abnormal in elevator speed, usually braking is produced by brake shoe gripping elevator guide rails, but when cage guide ruptures, emergency braking apparatus cannot work, and when car is in higher floor, the safety of passenger cannot be guaranteed.Rupture at guide rail, when car falls, have following several to the safety precautions of passenger in car: bottom cabin elevator, shock absorber is installed, as in prior art CN201320894008, in the bottom of car, air bag component is set, the impulsive force during shock absorber alleviation elevator landing bottom cage bottom or elevator is relied on when falling, this safety method can protect passenger for the Lift car type elevator that floor is lower, but for the Lift car type elevator that floor is higher, impulsive force when it falls is very large, huge inertia is produced when car falls, shock absorber is often difficult to play a protective role, passenger is caused to be subject to grievous injury, and if passenger will be protected, then the cost of shock absorber can be very high.And car cannot in braking in way of falling, elevator related equipment also can damage because shock of a fall power is excessive, as being difficult to open after car door damage, and rescue difficulty.Such safety method often can only fall to car and protect simultaneously, and for the situation that car is rushed to summit, needs to set up shock absorber at car top and elevator top.
Another kind of safety precautions is at car arranged outside stop mechanism, by stop mechanism and elevator sidewall contact friction braking.As kind of the kind fender guard of in prior art CN200410014245, there is containing one the clamping body of certain length, a side of clamping body one end having the groove for containing cage guide.The width of this groove is greater than the width of cage guide.This fender guard preventing elevator overspeed, fall, not only comformability is good, range of use is wide, productive costs is low, also can simplify production program.Be applicable to braking when lift car appearance hypervelocity, situation of falling.Technology in this patent may occur that access to elevators sidewall often causes friction coefficient to reduce because of moist simultaneously, increases the risk of stop mechanism inefficacy because stop mechanism cannot action and the danger of losing efficacy.When car is braked in elevator, the also stop place of car after uncontrollable braking, as car rests on the position between two floors, then car door is difficult to open, salvage work's difficulty.
Also have a kind of mode to be the safety rails contact friction braking arranged separately in elevator, additionally can increase a set of guide rail mechanism like this, add equipment cost and later maintenance expense.
Summary of the invention
The object of the invention is to provide that a kind of structure is simple, cost is low, safe and reliable, the anti-falling safe system of available protecting passenger safety.
For achieving the above object, the technical solution adopted in the present invention is: a kind of Lift car type elevator anti-falling safe system, a kind of Lift car type elevator anti-falling safe system, comprise air bag component, described air bag component comprises in safety air bag, described safety air bag and is provided with gas generator, ignition device, and described ignition device is controlled by electronic controller; Described air bag component is arranged on below elevator door opening, on elevator sidewall in horizontally disposed putting hole, is provided with groove relative to the sidewall of the elevator opposite side being provided with putting hole, and after described safety air bag ejects, its one end heads in groove; When the upper surface of described safety air bag contacts with cage bottom, cab is positioned at normal stop layers position; Arrange acceleration pick-up, height sensor in described car, the output signal of described acceleration pick-up, height sensor sends electronic controller to.
Preferably, putting hole, air bag component, groove are set below the elevator door opening of every floor, or below the elevator door opening of one of them stop layers between adjacent several stop layers, putting hole, air bag component, groove are set.
Preferably, the telltale that can receive acceleration sensor outputs signals is set in described car, described telltale display car rises, actual acceleration value when declining and car rise, maximum safe acceleration value when declining.
Preferably, be provided with safety switch in described car, the output signal of described safety switch sends electronic controller to.
Preferably, described cage bottom and top are provided with elastic buffering pad, and the rigid element at cage bottom and top wraps up by described elastic buffering pad completely.
Preferably, the elevator sidewall being provided with elevator door opening side is provided with positioning plate, described positioning plate is positioned at below putting hole, the upper end of described positioning plate is side walls hinged with the elevator being provided with elevator door opening side, one end of the middle part of described positioning plate and the first spacing connecting rod is hinged, the other end of described first spacing connecting rod and the second spacing rod hinge connection, described second spacing connecting rod is side walls hinged with the elevator being provided with elevator door opening side, is connected in the middle part of described first spacing connecting rod with in the middle part of the second spacing connecting rod by limit spring; The bottom of described positioning plate is provided with permanent magnet, and on the elevator sidewall being provided with elevator door opening side, relevant position is provided with electromagnet, and described electromagnet is controlled by electronic controller.
Preferably, the middle part of described second spacing connecting rod is also connected with one end of return stay cord, and the other end of described return stay cord is wrapped on cylinder.
Preferably, described putting hole has the installation check hole of vertical direction away from one end of elevator door opening, and upper end, described installation check hole arranges transparency window, and the upper surface of described transparency window is consistent with this stop layers floor surface height.
Preferably, the upper surface parcel elastic buffering pad of described positioning plate.
Preferably, during the tenesmus of described car, one below it or several positioning plate are opened, and when described car is rushed to summit, the positioning plate above it is not all opened.
The present invention has following beneficial effect: when car falls; one or several air bag component action airbag opening immediately nearest apart from car below it; the speed that car is fallen is decreased to stopping rapidly; because the shock of a fall power of car is less; passenger's body safety can be protected by actv.; the integral structure of car also can not sustain damage; simultaneously because air bag component is arranged on below stop layers elevator door opening; when car is fallen on safety air bag; car door and elevator door position adapt, and rescue group can open rapidly car door rescue passenger.When car is rushed to summit, one above it or several air bag component action airbag opening immediately, available protecting passenger.
Accompanying drawing explanation
Fig. 1 is the structural representation of car when normally running downwards;
Fig. 2 is the structural representation of car safety system action when falling;
Fig. 3 is the structural representation of car when normally upwards running;
Fig. 4 is the structural representation of car safety system action when rushing to summit;
Fig. 5 is acceleration pick-up, height sensor signal transmission schematic diagram;
Fig. 6 is car positioning plate initial condition schematic diagram when normally running;
Positioning plate open mode schematic diagram when Fig. 7 is car tenesmus.
Detailed description of the invention
As Figure 1-5, a kind of Lift car type elevator anti-falling safe system, comprises air bag component 1, and described air bag component 1 comprises in safety air bag 11, described safety air bag 11 and is provided with gas generator, ignition device, and described ignition device is controlled by electronic controller 12; Described air bag component 1 is arranged on below elevator door opening, on elevator sidewall in horizontally disposed putting hole 31, is provided with groove relative to the sidewall of the elevator opposite side being provided with putting hole 31; Arrange acceleration pick-up 53, height sensor 54 in described car 51, the output signal of described acceleration pick-up 53, height sensor 54 sends electronic controller 12 to.Described putting hole 31 has the installation check hole 32 of vertical direction away from one end of elevator door opening 52, and upper end, described installation check hole 32 arranges transparency window 33, and the upper surface of described transparency window 33 is consistent with this stop layers floor surface height.During installation and maintenance air bag component 1, only need to be operated by installation check hole 32.
Described elevator is provided with groove relative to the sidewall of the opposite side being provided with putting hole 31, when safety air bag 11 is opened, its one end heads in groove, at this moment the upper surface of safety air bag 11 contacts with bottom car 51, cab 51 is made to rest on normal stop layers position, the position between car door and elevator door opening 52 can be made like this to be in car Normal residence position, to facilitate rescue group to open car door in time and carry on rescue work.
When described car 51 falls, electronic controller 12 receives the acceleration pick-up 53 of car 51, the output signal of height sensor 54, and the safety air bag 11 being positioned at nearest below car 51 one or several air bag component 1 ejects; When described car 51 is rushed to summit, electronic controller 12 receives the acceleration pick-up 53 of car 51, the output signal of height sensor 54, and the safety air bag 11 being positioned at nearest above car 51 one or several air bag component 1 ejects.For the car 51 that load capacity is larger, can putting hole 31, air bag component 1, groove be arranged on below the elevator door opening 52 of every floor; For the car 51 that load capacity is less, also putting hole 31, air bag component 1, groove can be arranged on below one of them the elevator door opening 52 between adjacent several stop layers, equipment installation and maintenance expense can be reduced like this.
In described car 51, acceleration pick-up 53 is set, it can be the inertia type acceleration pick-up arranged in car 51, also can be that distance measuring type acceleration pick-up is set at cage bottom, described cage bottom is also provided with height sensor 54, described height sensor 54 can be laser ranging formula, also can be ultrasonic ranging formula, the floor position signal that car also can be used original be as the altitude signal of car.The output signal of described acceleration pick-up 53, height sensor 54 makes wirelessly to send electronic controller 12 to.
As Fig. 6, shown in 7, also positioning plate 2 can be set on the elevator sidewall being provided with elevator door opening 52 side, described positioning plate 2 is positioned at below putting hole 31, the upper end of described positioning plate 2 is side walls hinged with the elevator being provided with elevator door opening 52 side, one end of the middle part of described positioning plate 2 and the first spacing connecting rod 205 is hinged, the other end and the second spacing connecting rod 206 of described first spacing connecting rod 205 are hinged, described second spacing connecting rod 206 is side walls hinged with the elevator being provided with elevator door opening 52 side, be connected by limit spring 201 with in the middle part of the second spacing connecting rod 206 in the middle part of described first spacing connecting rod 205, the bottom of described positioning plate 2 is provided with permanent magnet 202, and on the elevator sidewall being provided with elevator door opening 52 side, relevant position is provided with electromagnet 203, and described electromagnet 203 is controlled by electronic controller 12.
Under normal circumstances, electromagnet 203 is energized, adsorb with permanent magnet 202, positioning plate 2 is not opened, when car 51 falls, electronic controller 12 sends signal, make below car 51 one or several electromagnet 203 dead electricity, positioning plate 2 under the effect of limit spring 201, action together with the spacing connecting rod 206 of the first spacing connecting rod 205, second, until positioning plate 2 is positioned at level attitude, and contact with safety air bag 11 lower surface.The impulsive force that positioning plate 2 and safety air bag 11 can be allowed so jointly to bear car 51 fall, increases safety.When car 51 shock of a fall power is excessive, when below it safety air bag 11 is damaged, a positioning plate 2 below it is pushed back original position by car 51, positioning plate 2 can't be damaged, and at this moment car 51 cushions by the safety air bag 11 that other stop layers below it are opened and positioning plate 2.When car 51 is rushed to summit, because its impulsive force is less than impulsive force when falling, then only to be withstood shocks power by the safety air bag 11 above car 51, the electromagnet 203 be now positioned at above car 51 is still in obtain electricity condition.Also be connected with one end of return stay cord 207 in the middle part of described second spacing connecting rod 206, the other end of described return stay cord 207 is wrapped on cylinder, described cylinder is placed on and facilitates manually-operated position, after positioning plate 2 is opened, return stay cord 207 can be tightened up by manual rotation's cylinder, positioning plate 2 is rotated to initial position.
When elevator normally travels, air bag component 1 and positioning plate 2 are failure to actuate, when the guide rail fracture of car 51 causes car 51 to fall, acceleration pick-up 53 in car 51, height sensor 54 gathers accekeration and car height, according to the position residing for the size of acceleration/accel and car, degree of will speed up abnormal signal passes to the one or more electronic controllers 12 be now positioned at below car 51, electronic controller 12 sends instruction and makes ignition device, the gas that blast produces makes safety air bag 11 open in access to elevators, its one end heads in groove, electronic controller 12 sends signal simultaneously, allow electromagnet 203 dead electricity, positioning plate 2 goes to horizontality at the effect backspin of limit spring 201, and contact with safety air bag 11 lower surface.Under the buffer action of safety air bag 11 and positioning plate 2, car 51 is parked in corresponding stop layers, now can open elevator door and the car door of this stop layers easily, carry out rescue action.When car 51 is rushed to summit because of fault, in it acceleration pick-up 53, height sensor 54 gather accekeration and car height, according to the position residing for the size of acceleration/accel and car, degree of will speed up abnormal signal passes to the one or more electronic controllers 12 be now positioned at above car, electronic controller 12 sends instruction and makes ignition device, airbag opening 11, makes car 51 stop rushing to summit.
The telltale 55 that can receive acceleration pick-up 53 output signal is set in described car 51, described telltale 55 shows that car 51 rises, actual acceleration value when declining and car 51 rise, maximum safe acceleration value when declining.Also be provided with safety switch 56 in described car 51, the output signal of described safety switch 56 sends electronic controller 12 to.If when car falls or rushes to summit, acceleration pick-up 53 does not send instruction to electronic controller 12 because of fault, at this moment the passenger in car can judge whether to occur danger by the car acceleration value of display on observation display 55, and manually press safety switch 56, described safety switch 56 sends instruction to the electronic controller 12 of relevant position, carries out emergency braking.
Better embodiment is; bottom described car 51 and top is provided with elastic buffering pad; described elastic buffering pad can be elastomeric material; also can be that foamed materials is made; the rigid element at car bottom 51 and top wraps up by described elastic buffering pad completely, like this can when car 51 contacts with safety air bag 11, available protecting safety air bag 11 not by bottom car 51 or the rigid element at top puncture; play buffer action further simultaneously, reduce the impulsive force that passenger is subject to.The upper surface of described positioning plate 2 also can wrap up elastic buffering pad, can puncture by the not limited plate 2 of protecting safety airbag 11 like this, increases buffer capacity further simultaneously.
Claims (10)
1. a Lift car type elevator anti-falling safe system, comprise air bag component (1), described air bag component (1) comprises safety air bag (11), described safety air bag is provided with gas generator, ignition device in (11), and described ignition device is controlled by electronic controller (12); It is characterized in that: described air bag component (1) is arranged on elevator door opening (52) below, on elevator sidewall in horizontally disposed putting hole (31), groove is provided with relative to the sidewall of the elevator opposite side being provided with putting hole (31), after described safety air bag (11) ejects, its one end heads in groove; When the upper surface of described safety air bag (11) contacts with car (51) bottom, cab (51) is positioned at normal stop layers position; Arrange acceleration pick-up (53), height sensor (54) in described car (51), the output signal of described acceleration pick-up (53), height sensor (54) sends electronic controller (12) to.
2. a kind of Lift car type elevator anti-falling safe system according to claim 1, it is characterized in that: in elevator door opening (52) below of every floor, putting hole (31), air bag component (1), groove are set, or elevator door opening (52) below of one of them stop layers between adjacent several stop layers arranges putting hole (31), air bag component (1), groove.
3. a kind of Lift car type elevator anti-falling safe system according to claim 1, it is characterized in that: the telltale (55) that can receive acceleration pick-up (53) output signal is set in described car (51), described telltale (55) display car rise, decline time actual acceleration value and car rise, decline time maximum safe acceleration value.
4. a kind of Lift car type elevator anti-falling safe system according to claim 3, it is characterized in that: be provided with safety switch (56) in described car (51), the output signal of described safety switch (56) sends electronic controller (12) to.
5. a kind of Lift car type elevator anti-falling safe system according to claim 4, it is characterized in that: described car (51) bottom and top are provided with elastic buffering pad, the rigid element at car (51) bottom and top wraps up by described elastic buffering pad completely.
6. a kind of Lift car type elevator anti-falling safe system according to claim 2, it is characterized in that: the elevator sidewall being provided with elevator door opening (52) side is provided with positioning plate (2), described positioning plate (2) is positioned at putting hole (31) below, the upper end of described positioning plate (2) is side walls hinged with the elevator being provided with elevator door opening (52) side, the middle part of described positioning plate (2) and one end of the first spacing connecting rod (205) hinged, the other end and the second spacing connecting rod (206) of described first spacing connecting rod (205) are hinged, described second spacing connecting rod (206) is side walls hinged with the elevator being provided with elevator door opening (52) side, described first spacing connecting rod (205) middle part is connected by limit spring (201) with the second spacing connecting rod (206) middle part, the bottom of described positioning plate (2) is provided with permanent magnet (202), on the elevator sidewall being provided with elevator door opening (52) side, relevant position is provided with electromagnet (203), and described electromagnet (203) is controlled by electronic controller.
7. a kind of Lift car type elevator anti-falling safe system according to claim 6, it is characterized in that: the middle part of described second spacing connecting rod (206) is also connected with one end of return stay cord (207), and the other end of described return stay cord (207) is wrapped on cylinder.
8. a kind of Lift car type elevator anti-falling safe system according to claim 6, it is characterized in that: described putting hole (31) has the installation check hole (32) of vertical direction away from one end of elevator door opening (52), described installation check hole (32) upper end arranges transparency window (33), and the upper surface of described transparency window (33) is consistent with this stop layers floor surface height.
9. a kind of Lift car type elevator anti-falling safe system according to claim 6, is characterized in that: the upper surface parcel elastic buffering pad of described positioning plate (2).
10. the control method of a kind of Lift car type elevator anti-falling safe system according to claim 6, it is characterized in that: during described car (52) tenesmus, one below it or several positioning plate (2) are opened, when described car (52) is rushed to summit, the positioning plate (2) above it is not all opened.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007834.4A CN105438914B (en) | 2016-01-07 | 2016-01-07 | A kind of Lift car type elevator anti-falling safe system |
| CN201710723370.1A CN107473050B (en) | 2016-01-07 | 2016-01-07 | Control method of anti-falling safety system of car type elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007834.4A CN105438914B (en) | 2016-01-07 | 2016-01-07 | A kind of Lift car type elevator anti-falling safe system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723370.1A Division CN107473050B (en) | 2016-01-07 | 2016-01-07 | Control method of anti-falling safety system of car type elevator |
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| Publication Number | Publication Date |
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| CN105438914A true CN105438914A (en) | 2016-03-30 |
| CN105438914B CN105438914B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710723370.1A Active CN107473050B (en) | 2016-01-07 | 2016-01-07 | Control method of anti-falling safety system of car type elevator |
| CN201610007834.4A Active CN105438914B (en) | 2016-01-07 | 2016-01-07 | A kind of Lift car type elevator anti-falling safe system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710723370.1A Active CN107473050B (en) | 2016-01-07 | 2016-01-07 | Control method of anti-falling safety system of car type elevator |
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| CN105858401A (en) * | 2016-06-08 | 2016-08-17 | 高清春 | Ejection air bag for elevator shaft |
| CN105883540A (en) * | 2016-06-27 | 2016-08-24 | 爱默生电梯有限公司 | Elevator with safety protection device |
| CN106044518A (en) * | 2016-07-11 | 2016-10-26 | 上海海事大学 | Safety device for preventing collapse of cover plate of escalator |
| CN106672734A (en) * | 2017-03-23 | 2017-05-17 | 沧州市金田科贸工程有限公司 | Elevator landing door by-mistake opening fall-preventing system |
| CN106744133A (en) * | 2017-02-24 | 2017-05-31 | 江南嘉捷电梯股份有限公司 | A kind of collapsible elevator hoistways fall arrest is met an urgent need protector |
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| CN108328452A (en) * | 2018-03-30 | 2018-07-27 | 迅立达智能装备制造科技有限公司 | A kind of device for preventing elevator from falling for elevator tower |
| CN108843717A (en) * | 2018-04-24 | 2018-11-20 | 邯郸慧龙电力设计研究有限公司 | A kind of air bag for protection system being arranged on tripod |
| CN108946378A (en) * | 2018-08-17 | 2018-12-07 | 寿县理康信息技术服务有限公司 | A kind of elevator protection system based on independent air bags |
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| CN110937485A (en) * | 2019-12-10 | 2020-03-31 | 湖北铜都通用电梯有限公司 | Elevator with a movable elevator car |
| CN114590677A (en) * | 2020-12-04 | 2022-06-07 | 奥的斯电梯公司 | Emergency terminal deceleration in an elevator system |
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| CN105438914B (en) | 2017-10-17 |
| CN107473050B (en) | 2019-01-08 |
| CN107473050A (en) | 2017-12-15 |
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Effective date of registration: 20201029 Address after: 629200 Hedong Road, Shehong Economic Development Zone, Sichuan, Suining, China, No. 9 Patentee after: SICHUAN AOEBO ELEVATOR Co.,Ltd. Address before: 610039, No. 999, Jin Zhou road, Jinniu District, Sichuan, Chengdu Patentee before: XIHUA University |
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