CN108639897A - A kind of elevator anti-fall mechanism of three-level buffering - Google Patents
A kind of elevator anti-fall mechanism of three-level buffering Download PDFInfo
- Publication number
- CN108639897A CN108639897A CN201810857435.6A CN201810857435A CN108639897A CN 108639897 A CN108639897 A CN 108639897A CN 201810857435 A CN201810857435 A CN 201810857435A CN 108639897 A CN108639897 A CN 108639897A
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- hoistway
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- square
- plate
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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
- B66B5/02—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
- B66B5/044—Mechanical overspeed governors
-
- 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
-
- 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
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The present invention relates to elevator industry technical field, more particularly to a kind of elevator buffers anti-fall mechanism with three-level, it includes that three-level buffers anti-fall mechanism body, and it includes several equidistant cushioning fender mechanisms being mounted on hoistway or so two inner walls which, which buffers anti-fall mechanism body,；At left and right sides of the hoistway several square grooves are correspondingly arranged on inner wall, the square groove inner top is equipped with stainless rotating steel shaft bar, square plate is installed, oblique spring one is installed in the bottom surface of square plate, and the bottom end of oblique spring one is mounted on square groove upper inside wall on stainless rotating steel shaft bar；It constantly to slow down its lapse rate, and is respectively mounted integrated buffer mechanism using several movable cushioning fenders are installed on hoistway two side in car bottom surface and shaft bottom；It forms elastic landing when contacting ground with can constantly buffer lapse rate, ensures the life security of personnel in elevator.
Description
Technical field
The present invention relates to elevator industry technical field, more particularly to a kind of elevator buffers anti-fall mechanism with three-level.
Background technology
Modem elevator is mainly by traction machine（Winch）, guide rail, counterweight, safety device, signal manipulation system, car with
The compositions such as hall door, these parts are separately mounted in the hoistway and computer room of building.Generally use Wire Friction Driving, steel wire
Rope bypasses traction sheave, and both ends are separately connected car and balance weight, and motor drive traction sheave makes car lift.Elevator requires safety
Reliably, transfer efficiency height, leveling accuracy and ride comfort etc..The basic parameter of elevator mainly have nominal load capacity, can multiply number,
Normal speed, car contour dimension and hoistway pattern etc..But since present building storey is higher and higher, people are also increasingly
Concentrate on life, study and work in skyscraper.Therefore as the elevator of upper and lower floor at indispensable in for people's lives
Part.But when elevator generation chance failure, causes elevator moment to drop, threaten the life security of people.Traditional elevator
In safety device is also installed, safety device is generally such as limiter of speed, safety tongs and buffer.But said mechanism only rises
Part effect cannot generate multi-buffer to the elevator rapidly to drop, final to reduce to taking people to alleviate lapse rate
The injury of member, ensures its life security.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of elevator three-levels to buffer anti-air crash
Structure, it on hoistway two side using several movable cushioning fenders are installed, constantly to slow down its lapse rate, and in car bottom
Face and shaft bottom are respectively mounted integrated buffer mechanism；It forms bullet with can constantly buffer lapse rate when contacting ground
Property land, ensure elevator in personnel life security.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of elevator of the present invention buffers anti-fall mechanism with three-level, it includes that three-level buffers anti-fall mechanism body, the three-level
It includes several equidistant cushioning fender mechanisms being mounted on hoistway or so two inner walls to buffer anti-fall mechanism body；
Several square grooves are correspondingly arranged on inner wall at left and right sides of the hoistway, which is equipped with stainless steel and turns
Shaft, square plate is equipped on stainless rotating steel shaft bar, and oblique spring one, the bottom of oblique spring one are installed in the bottom surface of square plate
End is mounted on square groove upper inside wall；Lower part is provided with horizontal square through hole in the square groove, and hoistway is outer relative to water
Square shape through hole is equipped with directional wheel one；It is welded with steel cable in the middle part of the outer side bottom surface end of the square plate, the steel cable is another
One end is inserted through horizontal square through hole, directional wheel one, directional wheel two, oblique guide wheel three, with the control mounted on well headroom
The motor mechanism of side is connected in case processed；The directional wheel two is mounted at the top of hoistway left side or at the top of right side；It is described
Oblique guide wheel three is mounted on left or right side in control cabinet；
The motor mechanism includes bearing block one, bearing block two, and bearing one and axis are separately installed in bearing block one, bearing block two
Hold two；Rotating cylinder is installed between the bearing one and bearing two, the left and right sides Middle face of rotating cylinder is correspondingly arranged on protruding shaft bar, and two
A protruding shaft bar is respectively interposed in bearing one and bearing two, and the outside of bearing block two is equipped with worm speed reducer, worm speed reducer
Arbor be connected with the protruding shaft bar of rotating cylinder right side；The rotating cylinder is arranged with several steel cables with cushioning fender mechanism；
The hoistway inner top is equipped with traction machine, and traction machine is connected by steel wire rope with car；The top surface or so of the car
Both sides, which correspond to, is equipped with L-shaped reinforcement supporting plate；
It is correspondingly arranged on rectangular reinforcing rib protrusive board at left and right sides of the bottom surface of the car；
The bottom surface of the car is provided with several springs two by multiple lines and multiple rows arrangement architecture, is provided between adjacent spring two
The bottom end of horizon bar, several springs two is connected with buffering bottom plate, forms cage bottom buffer gear；
Inner wall bottom is correspondingly arranged on guide rail at left and right sides of the hoistway；The bottom surface of the hoistway is equipped with several by multiple lines and multiple rows
The quadrate support block of arrangement is equipped between quadrate support block and reinforces connecting rod one, forms whole bottom support plate；The bottom
Several adjustable springs three are installed in support plate, is equipped between several adjustable springs three and reinforces connecting rod two, formed whole
The top of damping spring component, damping spring component is equipped with damping steel plate；The left and right sides of the upper damping steel plate
Correspondence is equipped with clamp, and the clamp of both sides is fastened in guide rail；
Several speed sensors are installed on the left and right sides inner wall of the hoistway；The speed sensor is controlled by conducting wire and PLC
Device processed is connected；The worm speed reducer is connected with frequency converter, and frequency converter is connected with PLC controller.
Further, the directional wheel two, oblique guide wheel three top be it is concordant, be in same level.
Further, the section of the rotating cylinder is circle, if being provided with arterial highway annular groove on the outer surface of rotating cylinder.
Further, the bottom surface of the L-shaped reinforcement supporting plate is provided with anti-skid chequer.
Further, vertical strengthening ribs bar, the top setting of vertical strengthening ribs bar are provided in the reinforcement connecting rod one
There are gusseted plate, gusseted plate to be connected with the bottom surface of upper damping steel plate.
Further, carbon dioxide extinguisher is installed at the top of the control cabinet, the spout of the carbon dioxide extinguisher
On solenoid valve is installed, solenoid valve is connected by conducting wire with PLC controller；The bottom surface of the control cabinet is equipped with several sprayer for extinguishing fire
Head, several fire extinguishing sprayers are connected by conduit with the spout of carbon dioxide extinguisher.
With the above structure, the present invention has the beneficial effect that：A kind of elevator of the present invention buffers anti-air crash with three-level
Structure, it on hoistway two side using several movable cushioning fenders are installed, constantly to slow down its lapse rate, and in car bottom
Face and shaft bottom are respectively mounted integrated buffer mechanism；It forms bullet with can constantly buffer lapse rate when contacting ground
Property land, ensure elevator in personnel life security.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the portions the A enlarged drawing of Fig. 1；
Fig. 3 is the structural schematic diagram of the motor mechanism in the present invention.
Reference sign：
1, control cabinet；2, motor mechanism；201, worm speed reducer；202, bearing block two；203, bearing block one；204, bearing two；
205, bearing one；206, rotating cylinder；207, annular groove；3, oblique guide wheel three；4, directional wheel two；5, cushioning fender mechanism；501, no
Become rusty rotating steel shaft bar；502, directional wheel one；503, steel cable；504, horizontal square through hole；505, square plate；506, oblique spring
One；6, rectangular reinforcing rib protrusive board；7, L-shaped reinforces supporting plate；8, car；9, bottom plate is buffered；10, horizon bar；11, spring two；12, electric
Magnet valve；13, fire extinguishing sprayer；14, PLC controller；15, speed sensor；16, upper damping steel plate；17, reinforce connecting rod two；
18, clamp；19, guide rail；20, hoistway；21, adjustable spring three；22, reinforce connecting rod one；23, vertical strengthening ribs bar；24, rectangular
Supporting block.
Specific implementation mode
The present invention will be further described below with reference to the drawings.
As shown in Figure 1-Figure 3, a kind of elevator of the present invention buffers anti-fall mechanism with three-level, it includes that three-level buffering is anti-
Mechanism body is fallen, it includes several equidistant bufferings being mounted on 20 or so two inner wall of hoistway which, which buffers anti-fall mechanism body,
Baffle mechanism 5；
As shown in Figure 1 and Figure 2, several square grooves are correspondingly arranged on 20 left and right sides inner wall of the hoistway, top in the square groove
Portion is equipped with stainless rotating steel shaft bar 501, and square plate 505, the bottom surface of square plate 505 are equipped on stainless rotating steel shaft bar 501
Oblique spring 1 is installed, the bottom end of oblique spring 1 is mounted on square groove upper inside wall；Under in the square groove
Portion is provided with horizontal square through hole 504, and hoistway 20 is outer relative to being equipped with directional wheel 1 at horizontal square through hole 504；Institute
It states and is welded with steel cable 503 in the middle part of the outer side bottom surface end of square plate 505, which is inserted through horizontal square through hole
504, directional wheel 1, directional wheel 24, oblique guide wheel 33, with the side in the control cabinet 1 at 20 top of hoistway
Motor mechanism 2 is connected；The directional wheel 24 is mounted at the top of 20 left side of hoistway or at the top of right side；The oblique guide wheel
33 are mounted on left or right side in control cabinet 1；
As shown in figure 3, the motor mechanism 2 includes bearing block 1, bearing block 2 202, bearing block 1, bearing block two
Bearing 1 and bearing 2 202 are separately installed in 202；Rotating cylinder 206 is installed between the bearing 1 and bearing two, is turned
The left and right sides Middle face of cylinder 206 is correspondingly arranged on protruding shaft bar, and two protruding shaft bars are respectively interposed in bearing 1 and bearing two
In, the outside of bearing block 2 202 is equipped with worm speed reducer 201 and is connected, arbor and 206 right side of rotating cylinder of worm speed reducer 201
The protruding shaft bar in face is connected；The rotating cylinder 206 is arranged with several steel cables 503 with cushioning fender mechanism 5；
20 inner top of the hoistway is equipped with traction machine, and traction machine is connected by steel wire rope with car 8；The top surface of the car 8
The left and right sides, which corresponds to, is equipped with L-shaped reinforcement supporting plate 7；
It is correspondingly arranged on rectangular reinforcing rib protrusive board 6 at left and right sides of the bottom surface of the car；
The bottom surface of the car is provided with several springs 2 11 by multiple lines and multiple rows arrangement architecture, is set between adjacent spring 2 11
It is equipped with horizon bar 10, the bottom end of several springs 2 11 is connected with buffering bottom plate 9, forms cage bottom buffer gear；
20 left and right sides inner wall bottom of the hoistway is correspondingly arranged on guide rail 19；The bottom surface of the hoistway 20 is equipped with several by more
The quadrate support block 24 of row multiple row arrangement, is equipped between quadrate support block 24 and reinforces connecting rod 1, forms whole bottom branch
Fagging；Several adjustable springs 3 21 are installed in the bottom support plate, reinforcement is installed between several adjustable springs 3 21 and is connected
Extension bar 2 17, forms whole damping spring component, and the top of damping spring component is equipped with damping steel plate 16；On described
The left and right sides of damping steel plate 16 corresponds to and is equipped with clamp 18, and the clamp of both sides is fastened in guide rail 19；
Several speed sensors 15 are installed on the left and right sides inner wall of the hoistway 20；The speed sensor 15 by conducting wire with
PLC controller 14 is connected；The worm speed reducer 201 is connected with frequency converter, and frequency converter is connected with PLC controller 14.
Further, the directional wheel 24, oblique guide wheel 33 top be it is concordant, be in same level.
Further, the section of the rotating cylinder 206 is circle, if being provided with arterial highway annular groove on the outer surface of rotating cylinder 206
207。
Further, the bottom surface of the L-shaped reinforcement supporting plate 7 is provided with anti-skid chequer.
Further, vertical strengthening ribs bar 23, the top of vertical strengthening ribs bar 23 are provided in the reinforcement connecting rod 1
End is provided with gusseted plate, and gusseted plate is connected with the bottom surface of upper damping steel plate 16.
Further, the top of the control cabinet 1 is equipped with carbon dioxide extinguisher, the spout of the carbon dioxide extinguisher
On solenoid valve 12 is installed, solenoid valve 12 is connected by conducting wire with PLC controller 14；If the bottom surface of the control cabinet 1 is equipped with
Dry fire extinguishing sprayer 13, several fire extinguishing sprayers 13 are connected by conduit with the spout of carbon dioxide extinguisher.
Working principle of the present invention is as follows:
In the design, speed sensor 15 is the ZH10 series Hall-type vehicles that the photoelectron technology Co., Ltd of Shenzhen's inscription produces
Fast sensor.The worm speed reducer of the model RV090 30 of Xin Taichuan Electric Machine Co., Ltd of Shenzhen production.
In the design, 20 inner top of hoistway is equipped with traction machine, which is the traction machine in traditional elevator, is belonged to existing
Technology.
In the design, the steel cable 503 in several cushioning fender mechanisms 5 in hoistway 20 on the inner wall of the left and right sides distinguishes winding
In several annular grooves 207 on 206 surface of rotating cylinder in motor mechanism 2.
The design when in use, when cage descending speed is accelerated, and is presented abnormal.It is mounted on 20 both sides inner wall of hoistway at this time
On speed sensor 15 measure after, signal is transmitted to by PLC controller 14 by conducting wire, PLC controller 14 controls turbine and slows down
Machine 201 rotates, and unclamps several steel cables 503 in the annular groove 207 on 206 surface of rotating cylinder so that several bands of 20 inner wall both sides of hoistway
The square plate 505 of oblique spring 1, outwardly opens from square groove, since its bottom surface is provided with oblique spring one
506, therefore ensure that square plate 505 is horizontal opening state, form first-level buffer mechanism.It drops at this time because of accident
The L-shaped of the top surface both sides of car reinforces supporting plate 7 and the rectangular reinforcing rib protrusive board 6 of bottom surface both side, if respectively on two inner wall of hoistway
Dry square plate 505 contacts, and forms blocking, alleviates car lapse rate.
In the design, the bottom surface of car is provided with several springs 2 11 by multiple lines and multiple rows arrangement architecture, adjacent spring
Horizon bar 10 is provided between 2 11, the bottom end of several springs 2 11 is connected with buffering bottom plate 9, forms cage bottom buffer
Structure is level 2 buffering mechanism.
In the design, the bottom surface of hoistway 20 is equipped with several quadrate support blocks 24 arranged by multiple lines and multiple rows, quadrate support
It is equipped between block 24 and reinforces connecting rod 1, form whole bottom support plate；Several flexible bullets are installed in bottom support plate
Spring 3 21 is equipped between several adjustable springs 3 21 and reinforces connecting rod 2 17, forms whole damping spring component, damping bullet
The top of spring component is equipped with damping steel plate 16, forms bottom Buffer Unit, forms three-level buffer gear.
When bottom in car 8 to hoistway 20, buffering of the speed Jing Guo first-level buffer mechanism so that its tenesmus quickly subtracts
Slowly, then the level 2 buffering mechanism of the bottom of cab is contacted with the formation of the three-level buffer gear of 20 bottom of hoistway, is produced due between
It is raw upwards and elastic, therefore can utmostly alleviate, so as to ensure to take the life security of elevator personnel.
In the design, when dropping, after PLC controller judges velocity anomaly by speed sensor 15（Lower reduction of speed
Degree is faster than normal decrease speed）, while the solenoid valve 12 for opening carbon dioxide extinguisher is controlled, and it is synchronous to spray fire foam, prevent
Only unexpected fire behavior occurs, and ensures to take elevator personnel.
A kind of elevator of the present invention buffers anti-fall mechanism with three-level, works if it uses to install on hoistway two side
Dynamic formula cushioning fender constantly to slow down its lapse rate, and is respectively mounted integrated buffer mechanism in car bottom surface and shaft bottom；It
With can constantly buffer lapse rate, elastic landing is formed when contacting ground, ensures the life security of personnel in elevator.
The above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application range,
The equivalent change or modification that feature and principle are done, is included within the scope of present patent application.
Claims (6)
1. a kind of elevator buffers anti-fall mechanism with three-level, it is characterised in that：It includes that three-level buffers anti-fall mechanism body, the three-level
It includes being mounted on hoistway to buffer anti-fall mechanism body（20）Several equidistant cushioning fender mechanisms on two inner walls of left and right（5）；
The hoistway（20）Several square grooves are correspondingly arranged on the inner wall of the left and right sides, which is equipped with stainless
Rotating steel shaft bar（501）, stainless rotating steel shaft bar（501）On square plate is installed（505）, square plate（505）Bottom surface installation
Oblique spring one（506）, oblique spring one（506）Bottom end be mounted on square groove upper inside wall；Under in the square groove
Portion is provided with horizontal square through hole（504）, hoistway（20）Outside relative to horizontal square through hole（504）Place is equipped with directional wheel one
（502）；The square plate（505）Outer side bottom surface end in the middle part of be welded with steel cable（503）, the steel cable（503）The other end is interspersed
Cross horizontal square through hole（504）, directional wheel one（502）, directional wheel two（4）, oblique guide wheel three（3）, and mounted on hoistway
（20）The control cabinet at top（1）The motor mechanism of interior side（2）It is connected；The directional wheel two（4）Mounted on hoistway（20）It is left
At the top of side top or right side；The oblique guide wheel three（3）Mounted on control cabinet（1）Interior left or right side；
The motor mechanism（2）Including bearing block one（203）, bearing block two（202）, bearing block one（203）, bearing block two
（202）Inside it is separately installed with bearing one（205）With bearing two；The bearing one（205）Rotating cylinder is installed between bearing two
（206）, rotating cylinder（206）Left and right sides Middle face be correspondingly arranged on protruding shaft bar, two protruding shaft bars are respectively interposed in bearing one
（205）In bearing two (204), bearing block two（202）Outside worm speed reducer is installed（201）, worm speed reducer（201）
Arbor and rotating cylinder（206）The protruding shaft bar of right side is connected；The rotating cylinder（206）It is arranged with several and cushioning fender mechanism（5）
In steel cable（503）；
The hoistway（20）Inner top is equipped with traction machine, and traction machine passes through steel wire rope and car（8）It is connected；The car（8）
Top surface at left and right sides of the corresponding L-shaped that is equipped with reinforce supporting plate（7）；Rectangular add is correspondingly arranged at left and right sides of the bottom surface of the car
Strengthening tendons protrusive board（6）；The bottom surface of the car is provided with several springs two by multiple lines and multiple rows arrangement architecture（11）, adjacent spring
Two（11）Between be provided with horizon bar（10）, several springs two（11）Bottom end with buffering bottom plate（9）It is connected, forms cage bottom
Buffer gear；
The hoistway（20）Left and right sides inner wall bottom is correspondingly arranged on guide rail（19）；The hoistway（20）If bottom surface be equipped with
The dry quadrate support block by multiple lines and multiple rows arrangement（24）, quadrate support block（24）Between be equipped with reinforce connecting rod one（22）, shape
Integral bottom support plate；Several adjustable springs three are installed in the bottom support plate（21）, several adjustable springs three（21）
Between be equipped with reinforce connecting rod two（17）, whole damping spring component is formed, the top of damping spring component is equipped with
Damping steel plate（16）；The upper damping steel plate（16）The left and right sides correspond to clamp is installed（18）, the clamp of both sides
It is fastened on guide rail（19）In；The hoistway（20）Left and right sides inner wall on several speed sensors are installed（15）；The speed
Inductor（15）Pass through conducting wire and PLC controller（14）It is connected；The worm speed reducer（201）It is connected with frequency converter, frequency converter
With PLC controller（14）It is connected.
2. a kind of elevator according to claim 1 buffers anti-fall mechanism with three-level, it is characterised in that：The directional wheel two
（4）, oblique guide wheel three（3）Top be it is concordant, be in same level.
3. a kind of elevator according to claim 1 buffers anti-fall mechanism with three-level, it is characterised in that：The rotating cylinder（206）
Section be circle, rotating cylinder（206）If outer surface on be provided with arterial highway annular groove（207）.
4. a kind of elevator according to claim 1 buffers anti-fall mechanism with three-level, it is characterised in that：The L-shaped reinforces support
Plate（7）Bottom surface be provided with anti-skid chequer.
5. a kind of elevator according to claim 1 buffers anti-fall mechanism with three-level, it is characterised in that：, the reinforcement connection
Bar one（22）On be provided with vertical strengthening ribs bar（23）, vertical strengthening ribs bar（23）Top be provided with gusseted plate, triangle
Support plate and upper damping steel plate（16）Bottom surface be connected.
6. a kind of elevator according to claim 1 buffers anti-fall mechanism with three-level, it is characterised in that：The control cabinet（1）
Top carbon dioxide extinguisher is installed, solenoid valve is installed on the spout of the carbon dioxide extinguisher（12）, solenoid valve
（12）Pass through conducting wire and PLC controller（14）It is connected；The control cabinet（1）Bottom surface several fire extinguishing sprayers are installed（13）If
Dry fire extinguishing sprayer（13）It is connected with the spout of carbon dioxide extinguisher by conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810857435.6A CN108639897A (en) | 2018-07-31 | 2018-07-31 | A kind of elevator anti-fall mechanism of three-level buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810857435.6A CN108639897A (en) | 2018-07-31 | 2018-07-31 | A kind of elevator anti-fall mechanism of three-level buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108639897A true CN108639897A (en) | 2018-10-12 |
Family
ID=63760483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810857435.6A Withdrawn CN108639897A (en) | 2018-07-31 | 2018-07-31 | A kind of elevator anti-fall mechanism of three-level buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639897A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279470A (en) * | 2018-11-22 | 2019-01-29 | 迈格钠磁动力股份有限公司 | A kind of Elevator landing security protection system |
| CN110467083A (en) * | 2019-06-26 | 2019-11-19 | 武汉船用机械有限责任公司 | Buffer gear for vertical conveying device |
| CN110510472A (en) * | 2019-09-07 | 2019-11-29 | 唐伟 | A kind of building elevator fall arrest damping device for wisdom building |
| CN110872043A (en) * | 2019-11-26 | 2020-03-10 | 天津京龙工程机械有限公司 | Cage structure for elevator |
| CN111017674A (en) * | 2019-12-18 | 2020-04-17 | 南京兆奎网络科技有限公司 | Elevator car with emergent function of preventing weighing down |
| CN113277399A (en) * | 2021-05-31 | 2021-08-20 | 厦门高甬雾贸易有限公司 | Frequency converter and control method thereof |
| CN114104904A (en) * | 2021-11-03 | 2022-03-01 | 苏迅电梯有限公司 | Mine elevator that security performance is high |
-
2018
- 2018-07-31 CN CN201810857435.6A patent/CN108639897A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279470A (en) * | 2018-11-22 | 2019-01-29 | 迈格钠磁动力股份有限公司 | A kind of Elevator landing security protection system |
| CN110467083A (en) * | 2019-06-26 | 2019-11-19 | 武汉船用机械有限责任公司 | Buffer gear for vertical conveying device |
| CN110510472A (en) * | 2019-09-07 | 2019-11-29 | 唐伟 | A kind of building elevator fall arrest damping device for wisdom building |
| CN110510472B (en) * | 2019-09-07 | 2021-03-30 | 广东富莱机电装备有限公司 | A damping device that falls is prevented to building elevator for wisdom building |
| CN110872043A (en) * | 2019-11-26 | 2020-03-10 | 天津京龙工程机械有限公司 | Cage structure for elevator |
| CN111017674A (en) * | 2019-12-18 | 2020-04-17 | 南京兆奎网络科技有限公司 | Elevator car with emergent function of preventing weighing down |
| CN113277399A (en) * | 2021-05-31 | 2021-08-20 | 厦门高甬雾贸易有限公司 | Frequency converter and control method thereof |
| CN114104904A (en) * | 2021-11-03 | 2022-03-01 | 苏迅电梯有限公司 | Mine elevator that security performance is high |
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Application publication date: 20181012 |