CN106081783A - A kind of electromagnetic brake preventing accidental movement of elevator cage and braking method - Google Patents
A kind of electromagnetic brake preventing accidental movement of elevator cage and braking method Download PDFInfo
- Publication number
- CN106081783A CN106081783A CN201610760728.3A CN201610760728A CN106081783A CN 106081783 A CN106081783 A CN 106081783A CN 201610760728 A CN201610760728 A CN 201610760728A CN 106081783 A CN106081783 A CN 106081783A
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- brake
- elevator
- friction
- accidental movement
- electric magnet
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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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/24—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on guide ropes or cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of electromagnetic brake preventing accidental movement of elevator cage and stop method, described electromagnetic brake includes upper shifting brake unit that housing is connected with rope brake and moves down brake unit with speed limiter wire rope and safety tongs are connected；Wherein, described upper shifting brake unit and move down brake unit and be arranged in described housing, and be connected with the operation circuit in parallel of described lift car.A kind of electromagnetic brake preventing accidental movement of elevator cage of the present invention, simple in construction, novel in design, it passes through two groups of electric magnet and associated mechanical components, it is achieved moving and the unexpected difference stop moved down elevator is surprisingly upper, stop is effective, safety coefficient is high, particularly with the accidental movement of more difficult expectation, use two staged braking mechanism, it is ensured that security performance；The present invention effectively prevent elevator car, layer door opens the phenomenon that rear car continues to rise or fall, and effectively protects the safety taking elevator personnel.
Description
Technical field
The present invention relates to apparatus for controlling elevator field, particularly relate to a kind of electromagnetic system preventing accidental movement of elevator cage
Dynamic device and braking method.
Background technology
At present, China has become elevator manufacture the world's strongest nation and with elevator quantity the world's strongest nation, elevator
Become the indispensable vehicles of people's daily life, how to improve elevator safety operation level, prevent and reduce pernicious thing
Therefore generation, become the focus of social concerns.
Existing elevator because of sedan-chair, layer door opens the door and traction machine brake lost efficacy or traction sheave abrasion causes steel wire rope skidding etc. former
Cause, causes accidental movement of elevator cage, thus causes elevator to hurt sb.'s feelings problem.At present, industry has researched and developed lift car
The detection method of accidental movement and some safeguard procedures being correlated with or preventer, but these safeguard procedures or the system of preventer
Stop mechanism of action complicated, it is necessary to change stop safety component, consume wealth effort.
Summary of the invention
The technical problem that present invention mainly solves be to provide a kind of electromagnetic brake preventing accidental movement of elevator cage and
Braking method, achieves that anti-car surprisingly moves on the basis of need not change or change safety component original design, that install
Dynamic.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide one to prevent lift car from anticipating
The electromagnetic brake of outer movement, the upper shifting brake unit being connected with rope brake including housing and with speed limiter wire rope and peace
Full clipper joint move down brake unit；In wherein, described upper shifting brake unit and the brake unit that moves down are arranged on described housing,
Outward, and with the operation circuit in parallel of described lift car it is connected.
In a preferred embodiment of the present invention, described upper shifting brake unit include the first electric magnet, the first spring, first
Push rod, friction wheel seat, friction wheel support, the first friction pulley, the second friction pulley and traction seat；Wherein, described friction wheel seat passes through
Described first push rod is connected with described first electric magnet, and described first friction pulley and the second friction pulley are installed by steady pin respectively
It is fixed in described friction wheel seat and friction wheel support, between described first friction pulley and the second friction pulley, clamps described limiter of speed
Steel wire rope；Described second friction pulley is fixing even by described steady pin and described traction seat away from the side of described first friction pulley
Connect；Described first spring is nested with on described first push rod.
In a preferred embodiment of the present invention, side relative with described second friction pulley on described traction seat is the most fixing
Connect and have brake cable guide holder.
In a preferred embodiment of the present invention, described in move down brake unit include the second electric magnet, the second spring, second
Push rod, braking frictional plate seat, Brake Block；Wherein, described brake calliper is by described second push rod and described second electromagnetism
Ferrum connects, and the end that described braking seat is fixed on described housing is taken, and described speed limiter wire rope is clamped in described brake strip
Between seat and described Brake Block；Described second spring is nested with on described second push rod.
In a preferred embodiment of the present invention, one end of described first spring and the second spring is electric with described first respectively
Magnet and the fixing connection of the second electric magnet, its other end is free telescopic end.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provides a kind of and described prevents elevator
The braking method of the electromagnetic brake of car accidental movement, comprises the steps:
(1) during elevator flat bed in stop layers or stop layers flat bed again, when lift car surprisingly moves up and exceeds every magnetic
On plate during leveling zone, district of visiting switches off, and the first electric magnet dead electricity action in described upper shifting brake unit, elevator safety returns
Road disconnects；First friction wheel is by the first spring force action, and with the second friction wheel damp governor steel cable, elevator continues upper shifting, limit
Speed device steel wire rope drives the first friction wheel and the second friction pulley to rotate, and makes the traction seat on the second friction wheel make movement in a curve, leads
Brake cable in dynamic brake cable guide holder pulls rope brake action stop car；
(2) during elevator flat bed in stop layers or stop layers flat bed again, when lift car surprisingly moves down and exceeds every magnetic
Under plate during leveling zone, Xiamen district switches off, elevator safety loop disconnect, described in move down the electric magnet dead electricity in brake unit move
Making, friction braking bar, by spring-force driven dual action, vises speed limiter wire rope with Brake Block.
(3), after vising speed limiter wire rope in step (2), elevator continues to move down, by the brake cable on speed limiter wire rope
Pull safety tongs stop car.
In a preferred embodiment of the present invention, described in visit district's switch and Xiamen district switchs and vertical with described magnetic isolation plate slides
Move and connect.
The invention has the beneficial effects as follows: a kind of electromagnetic brake preventing accidental movement of elevator cage of the present invention, structure letter
Single, novel in design, it passes through two groups of electric magnet and associated mechanical components, it is achieved move and the unexpected difference moved down elevator is surprisingly upper
Stop, stop is effective, and safety coefficient is high, particularly with the accidental movement of more difficult expectation, uses two staged braking mechanism, it is ensured that peace
Full performance；The present invention effectively prevent elevator car, layer door opens the phenomenon that rear car continues to rise or fall, and effectively protects and takes advantage of
Sit the safety of elevator personnel.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure of a kind of electromagnetic brake one preferred embodiment preventing accidental movement of elevator cage of the present invention
Schematic diagram；
Fig. 2 is the braking method schematic diagram of shown electromagnetic brake；
Fig. 3 is the joint-action mechanism schematic diagram of shown electromagnetic brake；
Fig. 4 is the position relationship schematic diagram of shown door district switch and magnetic isolation plate；
In accompanying drawing, the labelling of each parts is as follows: 1. housing, 2. the second electric magnet, 3. the second spring, 4. the second push rod, and 5. braking rubs
Pad seat, 6. Brake Block, 7. the first electric magnet, 8. the first spring, 9. the first push rod, 10. friction wheel seat, 11. first friction pulleys,
12. second friction pulleys, 13. steady pins, 14. friction wheel bearings, 15. traction seats, 16. brake cable guide holders, 17. brake cables, 18. speed limits
Device steel wire rope, 19. visit district switch, 20. Xiamen districts switch, 21. magnetic isolation plates, 22. limiter of speeds, 23. regulating wheels, 24. elevator cars
Railway carriage or compartment, 25. safety tongs, 26. rope brakes, 27. traction machine steel wire ropes, 28. electromagnetic brakes.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Referring to Fig. 1 to 4, the embodiment of the present invention includes:
Embodiment 1
A kind of electromagnetic brake preventing accidental movement of elevator cage, including housing 1, is arranged on housing 1 inside and outside, and restricts with folder
Upper shifting brake unit that device connects and move down brake unit with speed limiter wire rope and safety tongs are connected.
Described upper shifting brake unit include the first electric magnet, the first spring, the first push rod, friction wheel seat, friction wheel support,
First friction pulley, the second friction pulley and traction seat；Wherein, described friction wheel seat is by described first push rod and described first electromagnetism
Ferrum connects, and described first friction pulley and the second friction pulley are fixed on described friction wheel seat and friction pulley by steady pin respectively
In support, between described first friction pulley and the second friction pulley, clamp described speed limiter wire rope；Described second friction pulley away from
The side of described first friction pulley is connected by described steady pin and described traction seat are fixing；Described first spring is nested with described
On first push rod.
Wherein, described upper shifting brake unit includes first electric magnet the 7, first spring the 8, first push rod 9, friction wheel seat 10,
First friction wheel the 11, second friction pulley 12 and traction seat 15, wherein, friction wheel seat 10 is by the first push rod 9 and the first electric magnet 7
Connecting, the first friction pulley 11 and the second friction pulley 12 are fixed on friction wheel seat 10 by steady pin 13 respectively and friction pulley props up
In frame 14, clamp limiter of speed steel wire 18 between the first friction pulley 11 and the second friction pulley 12 and restrict；Described second friction pulley 12 away from
The side of the first friction pulley 11 is connected by steady pin 13 is fixing with traction seat 15；First spring 8 is nested with on the first push rod 9,
Its one end is fixing with the first electric magnet 7 to be connected, and the other end freely stretches.It addition, on traction seat 15 with described second friction pulley 12
Relative side is also fixedly connected with brake cable guide holder 16.This mechanism realizes action and clamps speed limiter wire rope drive friction round
Dynamic, the traction seat on friction wheel makees arcuate movement, pulls brake cable to start rope brake action with stop car.
The described brake unit that moves down includes second electric magnet the 2, second spring the 3, second push rod 4, brake strip 5 and braking
Seat 6；Wherein, brake calliper 5 is connected with the second electric magnet 2 by the second push rod 4, and Brake Block 6 is fixed on the base of housing 1
On；Speed limiter wire rope 18 is clamped between brake calliper 5 and Brake Block 6；Second spring 3 is nested with on the second push rod 4.
This mechanism realizes action and vises speed limiter wire rope, pulls safety tongs with stop car.
Braking method, joint-action mechanism and the principle of the above-mentioned electromagnetic brake preventing accidental movement of elevator cage be:
The electromagnetic brake of the present invention is arranged in machine room on the ground of limiter of speed both sides steel wire rope, or be arranged on against
Speed limiter wire rope but with rope brake any position relatively, speed limiter wire rope is through limiter of speed, regulating wheel and electromagnetism
Brake, and connect the safety tongs pulling apparatus on lift car.
Electricity operation normally held by elevator or gate is closed when ladder, and car door lock SMC on gate is connected, and linkage KMS(gate closes
Close relay, lower same) action, contact (5-9), (6-10) Guan Bi, whether the most upper and lower door district switchs and connects, electromagnetic system
The first electric magnet (YA1) and the second electric magnet (YA2) in dynamic device all can be held electricity and treat action；
Under Elevator Stop enabling situation, the door lock SMC on gate disconnect linkage KMS contact (5-9), (6-10) disconnects, upper and lower
Door district switch is in the conduction state during the flat bed flat bed again in Elevator Stop or stop layers, the first electricity in electromagnetic brake
Magnet (YA1) and the second electric magnet (YA2) all can be held electricity and treat action；The elevator flat bed process again of the flat bed in stop layers or stop layers
In, occur when car surprisingly moves up and removes leveling zone on magnetic isolation plate 21, district's switch 19 disconnection of visiting, elevator safety simultaneously
Loop disconnects；The first electric magnet 7 dead electricity action in described upper shifting brake unit, clamps speed limiter wire rope 18 and drives friction wheel
Rotating, the traction seat on the second friction wheel makees arcuate movement, pulls brake cable to start rope brake action with stop car.
Under Elevator Stop enabling situation, the door lock SMC on gate disconnect linkage KMS contact (5-9), (6-10) disconnects,
Upper and lower door district switch is in the conduction state, in electromagnetic brake during the flat bed flat bed again in Elevator Stop or stop layers
First electric magnet (YA1) and the second electric magnet (YA2) all can be held electricity and treat action；The elevator flat bed again of the flat bed in stop layers or stop layers
During, occurring that car surprisingly moves down and remove magnetic isolation plate 22, Xiamen district switch 24 disconnection, elevator safety loop breaks simultaneously
Open；Described the second electric magnet dead electricity action moved down in brake unit, vises speed limiter wire rope, if elevator continues to move down, logical
Cross the line that declutches and pull safety tongs stop car.
Wherein, visit district's switch 19 and Xiamen district switch 20 connects with magnetic isolation plate 21 vertical sliding motion.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (8)
1. the electromagnetic brake preventing accidental movement of elevator cage, it is characterised in that include what housing was connected with rope brake
Upper shifting brake unit and move down brake unit with speed limiter wire rope and safety tongs are connected；Wherein, described upper shifting brakes dress
Putting and move down brake unit, to be arranged on described housing inside and outside, and is connected with the operation circuit in parallel of described lift car.
The electromagnetic brake preventing accidental movement of elevator cage the most according to claim 1, it is characterised in that described upper shifting
Brake unit include the first electric magnet, the first spring, the first push rod, friction wheel seat, friction wheel support, the first friction pulley, second
Friction pulley and traction seat；Wherein, described friction wheel seat is connected with described first electric magnet by described first push rod, and described first
Friction pulley and the second friction pulley are fixed in described friction wheel seat and friction wheel support by steady pin respectively, and described first
Described speed limiter wire rope is clamped between friction pulley and the second friction pulley；Described second friction pulley is away from described first friction pulley
Side is connected by described steady pin and described traction seat are fixing；Described first spring is nested with on described first push rod.
The electromagnetic brake preventing accidental movement of elevator cage the most according to claim 2, it is characterised in that described traction
Side relative with described second friction pulley on seat is also fixedly connected with brake cable guide holder.
The electromagnetic brake preventing accidental movement of elevator cage the most according to claim 1, it is characterised in that described in move down
Brake unit includes the second electric magnet, the second spring, the second push rod, braking frictional plate seat, Brake Block；Wherein, described braking rubs
Pad seat is connected with described second electric magnet by described second push rod, and the end that described braking seat is fixed on described housing is taken,
Described speed limiter wire rope is clamped between described brake(-holder) block friction bar and described Brake Block；Described second spring is nested with in institute
State on the second push rod.
5. according to the electromagnetic brake preventing accidental movement of elevator cage described in claim 2 or 4, it is characterised in that described
One end of first spring and the second spring is fixing with described first electric magnet and the second electric magnet respectively to be connected, and its other end is certainly
By telescopic end.
6. the braking of the electromagnetic brake preventing accidental movement of elevator cage used described in any one of Claims 1-4
Method, it is characterised in that comprise the steps:
(1) during elevator flat bed in stop layers or stop layers flat bed again, when lift car surprisingly moves up and exceeds every magnetic
On plate during leveling zone, district of visiting switches off, and elevator safety loop disconnects, and the first electric magnet in described upper shifting brake unit loses
Electronic work, elevator safety loop disconnects；First friction wheel is by the first spring force action, with the second friction wheel damp governor steel
Rope, elevator continues upper shifting, and speed limiter wire rope drives the first friction wheel and the second friction pulley to rotate, and makes leading on the second friction wheel
Usher and make movement in a curve, affect the brake cable in brake cable guide holder to pull rope brake action stop car；
(2) during elevator flat bed in stop layers or stop layers flat bed again, when lift car surprisingly moves down and exceeds every magnetic
Under plate during leveling zone, Xiamen district switches off, elevator safety loop disconnect, described in move down the electric magnet dead electricity in brake unit move
Making, friction braking bar, by spring-force driven dual action, vises speed limiter wire rope with Brake Block.
After 7.(3) vising speed limiter wire rope in step (2), elevator continues to move down, and is drawn by the brake cable on speed limiter wire rope
Dynamic safety tongs stop car.
The braking method of the electromagnetic brake preventing accidental movement of elevator cage the most according to claim 6, its feature exists
In, described in visit district switch and Xiamen district switch connect with described magnetic isolation plate vertical sliding motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760728.3A CN106081783B (en) | 2016-08-30 | 2016-08-30 | A kind of electromagnetic brake and braking method preventing accidental movement of elevator cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760728.3A CN106081783B (en) | 2016-08-30 | 2016-08-30 | A kind of electromagnetic brake and braking method preventing accidental movement of elevator cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106081783A true CN106081783A (en) | 2016-11-09 |
| CN106081783B CN106081783B (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610760728.3A Active CN106081783B (en) | 2016-08-30 | 2016-08-30 | A kind of electromagnetic brake and braking method preventing accidental movement of elevator cage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019241A (en) * | 2018-09-28 | 2018-12-18 | 李勇 | The triggering method that lift appliance, elevator are protected |
| CN109250601A (en) * | 2018-11-13 | 2019-01-22 | 苏州默顿快速电梯有限公司 | A kind of emergency staircase of double insurance |
| CN109969900A (en) * | 2019-04-26 | 2019-07-05 | 湖南省特种设备检验检测研究院邵阳分院 | A kind of accidental movement of elevator cage protective device |
| CN113788379A (en) * | 2021-09-18 | 2021-12-14 | 江苏小白兔智造科技有限公司 | Electromagnetic clamping mechanism of elevator and control method thereof |
| CN115346428A (en) * | 2022-04-22 | 2022-11-15 | 江苏省特种设备安全监督检验研究院 | Linkage test display device of elevator car and test method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019241A (en) * | 2018-09-28 | 2018-12-18 | 李勇 | The triggering method that lift appliance, elevator are protected |
| CN109019241B (en) * | 2018-09-28 | 2020-05-22 | 李勇 | Elevator device and triggering method for elevator protection |
| CN109250601A (en) * | 2018-11-13 | 2019-01-22 | 苏州默顿快速电梯有限公司 | A kind of emergency staircase of double insurance |
| CN109969900A (en) * | 2019-04-26 | 2019-07-05 | 湖南省特种设备检验检测研究院邵阳分院 | A kind of accidental movement of elevator cage protective device |
| CN109969900B (en) * | 2019-04-26 | 2024-02-02 | 湖南省特种设备检验检测研究院 | Unexpected protection device that removes of elevator car |
| CN113788379A (en) * | 2021-09-18 | 2021-12-14 | 江苏小白兔智造科技有限公司 | Electromagnetic clamping mechanism of elevator and control method thereof |
| CN115346428A (en) * | 2022-04-22 | 2022-11-15 | 江苏省特种设备安全监督检验研究院 | Linkage test display device of elevator car and test method thereof |
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| Publication number | Publication date |
|---|---|
| CN106081783B (en) | 2018-10-02 |
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