CN107032220A - Brake assembly - Google Patents
Brake assembly Download PDFInfo
- Publication number
- CN107032220A CN107032220A CN201710099141.7A CN201710099141A CN107032220A CN 107032220 A CN107032220 A CN 107032220A CN 201710099141 A CN201710099141 A CN 201710099141A CN 107032220 A CN107032220 A CN 107032220A
- Authority
- CN
- China
- Prior art keywords
- plate
- elevator
- brake
- axle
- pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
- F16D55/26—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member without self-tightening action
- F16D55/28—Brakes with only one rotating disc
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
Abstract
A kind of elevator brake component used in the friction brake of elevator, including metallic plate, metallic plate are frictionally engaged when elevator brake is engaged with another brake component.Plate includes non-sticking lining on a metal plate, and non-sticking lining is on the surface frictionally engaged when elevator brake is engaged by another brake component of plate.
Description
The application is to enter PCT Patent Application (the China national Application No. of National Phase in China December 14 in 2012
201080067439.6, international application no is PCT/US2010/038639, and international filing date is on June 15th, 2010, invention name
Divisional application referred to as " brake assembly ").
Technical field
The present invention relates to a kind of brake for elevator.
Background technology
Typical elevator device may include the lift car being attached to by cable in counterweight.Including motor and brake
Machine rotation is driven, and the cable (it can be circular rope or flat rubber belting) of (typically via traction) bonding machine is acted as
With so that lift car and counterweight are moved up and down along elevator hoistways, so that passenger or goods be transported from a floor
It is sent to another floor.Electric life controller controls the operation of elevator device.Driving machine is typically lain at the top of hoistway.
When there is elevator-calling, controller sends signal to driving machine, so that car is risen or fallen to calling
Floor, and brake is then applied on machine when elevator is close to calling floor.A feasible system for driving machine
Dynamic device is clutch brake, and it is by fixed plate, movable platen, the spring for moving movable platen and electromagnet and pad set
Into pad is located between fixed plate and movable platen and is attached on axle, and when moving lift car, the axle is with driving machine rotation
Turn.When needing braking, movable platen is set to be moved towards fixed plate by spring, so that pad and movable platen and fixed plate two
Person contacts.The frictional force that the contact of fixed plate, pad with movable platen is produced stops the rotary motion of pad.Because pad connects
It is connected on axle, this stopping can be delivered to axle and driving machine, and make the mobile stopping of lift car.When elevator needs again
When mobile, controller sends signal, and electric current is sent to electromagnet so that movable platen is pulled away from into pad and fixed plate, so as to permit
Perhaps pad and axle are rotated, and car is moved.
Whenever not energized to electromagnet, spring pushes movable platen to fixed plate, and pad is contacted with plate.
In the presence of a variety of situations (in elevator hoistways before and after installation machine) that may not be wherein energized to electromagnet,
For example during machine is transported into working site, or when machine resides in working site etc. and is mounted in hoistway.In peace
After dress, electromagnet is not energized, for example, in building or elevator device outage, phase period left unused in elevator device
Between, or when elevator device is in " sleep pattern ".
In some cases, the long-time contact between pad and plate can make pad paste movable platen and/or fixation
On plate.When subsequently being energized to electromagnet, pad may not be disengaged with movable platen and/or fixed plate.Do not disengaged in pad and plate
In the case of, machine may not be run, because the stickup of pad/plate can prevent axle from rotating.In mounted elevator device,
Controller, which can sense machine shaft, to be rotated, and close elevator device.Then technical staff must look to solve problem.
For Machineroom-less elevator system (wherein machine is resided in hoistway rather than in traditional computer room), this braking
It is difficult and/or time-consuming that device, which pastes situation to be proved to repair,.Technical staff is typically via at the top of car
It is upper to advance until car reaches the top of hoistway, to approach the machine in hoistway.In the case where machine can not be run, technology
Personnel have to look for another method and come close to the machine in hoistway.
The content of the invention
A kind of elevator brake component used in the friction brake of elevator, including metallic plate, it is in elevator brake
Device is frictionally engaged when engaged with another brake component.Plate includes non-sticking lining (finish) on a metal plate, should
Non-sticking lining is on the surface frictionally engaged when elevator brake is engaged by another brake component of plate.
Brief description of the drawings
Fig. 1 is the exploded view of a possible embodiments of the elevator drive machine for including clutch brake.
Fig. 2 is that the amplification of another possible embodiments of the clutch brake device assembly for elevator drive machine is decomposed
Figure.
Fig. 3 is the perspective view of a possible embodiments of the calliper component for elevator.
Embodiment
Fig. 1 is the exploded view of a possible embodiments of the elevator drive machine for including clutch brake device assembly.Elevator
The permanent magnet machines that machine 10 can be such as gearless are driven, it includes electro-motor 12, the axle 14 rotated around axis 16, housing
18th, pulley 20, the brake assembly 22 for for example applying brake force to machine 10 by axle 14, and electric wire 34A, 34B, electricity
Machine is connected on the controller 34 at any appropriate position by line 34A, 34B.Further it will such as explain in detail below
As stating, brake assembly 22 includes fixed plate 24, pad 26, movable platen 28, spring 30, and includes the shell of electromagnet 33
Body 32.
Motor 12 is connected on axle 14 to be rotatably driven axle 14.Axle 14 is also connected to pulley 20, and (alternatively, pulley 20 can
For the part of axle 14) and pad on 26.In this embodiment, fixed plate 24 is a part for housing 18.Movable platen 28
(as seen in Figure 1, it can be annular disk or be formed by multiple sections) surrounding axle 14, and acted on by two power, i.e. make
It moves the power of the spring 30 of (to provide brake force) towards pad 26, and from electromagnet 33, make movable platen 28 remote
The mobile magnetic field from pad 26.Motor 12, axle 14, pulley 20 and brake assembly 22 are all fixed around axis 16.Pass through
Controller 34 is connected on driving machine 10 by the circuit 34A at the motor and circuit 34B at electromagnet 33.
In order that lift car is moved up and down in hoistway, controller 34 is sent out drive signal by circuit 34A
Motor 12 is sent to, to be rotatably driven axle 14 around axis 16.The rotation of axle 14 is delivered to pulley 20, and pulley 20 rotates, and
Cable is driven typically via traction so that lift car and counterweight rise or fall, and this depends on the driving for being sent to motor
Signal makes motor be rotatably driven the mode of axle 14.
For example using the spline 25A of the groove 25B on the hub of the joint liner 26 on axle 14, brake assembly 22 passes through lining
Pad 26 and be connected in rotary shaft 14.This connection makes pad be rotated with axle 14.For example by using bolt by brake group
The housing 32 of part 22 is fastened on housing 18, and brake assembly 22 is again secured on the non-rotating part of machine 10.
When elevator in operation, and drive signal is sent to motor 12 with rotatably by controller 34 by circuit 34A
During drive shaft 14, controller 34 also by circuit 34B by electric current send to electromagnet 33 with produce make movable platen 28 towards braking
Device housing 32 and the magnetic field being axially moveable.Movement of the movable platen away from fixed plate 24 allows pad 26 as axle 14 rotates.When
During desired braking, such as when lift car is close to desired destination, controller 34 stops sending electric current to electromagnet 33,
And then due to the power of spring 30, movable platen 28 is axially moveable towards pad 26.Spring 30 makes movable platen 28
It is axially moveable away from brake casing 32 so that movable platen 28 promotes pad 26 and makes itself and fixed plate 24 and movable platen 28
Contact.The friction that the contact with fixed plate 24 and movable platen 28 is produced makes pad 26 stop the rotation.This by rotation stops passing
Axle 14, pulley 20 and cable are handed to, so as to cause the mobile stopping of lift car in hoistway up or down.
Such as it will be discussed in further detail below, fixed plate 24 and/or movable platen 28 have coating, coating drop thereon
Low pad 26 pastes the possibility on plate 24,28.
Fig. 2 shows point of another embodiment of the elevator drive machine (part is shown) including elevator brake device assembly
Xie Tu.Machine 10 can be the permanent magnet machines of such as gearless, and it includes electro-motor (not shown), axle 14, housing 18, fixed plate
24th, pad 26, movable platen 28, spring 30 include the housing 32 and controller connector 34B of electromagnet 33.For example by using
Fixed plate 24 is fixed on housing 18 by fastener.Pad 26 is connected on axle 14 and as axle 14 revolves by spline connection
Turn.Movable platen 28 (as seen in Figure 2, it can be formed for annular disk or by multiple sections again) is by electromagnet 33 and spring 30
Promote to be axially moveable towards pad 26 and away from pad 26, this is determined by controller connector 34B and receives automatic control
The signal of device processed.Pad 26 can be metallic plate, such as the annular disk shown in Fig. 1 and Fig. 2 has friction material, for example may be used thereon
The NF-410B that is obtained from the Carlisle companies of cloth Lu name of the state of Indiana in the U.S., can be from the Illinois in the U.S.
McHenry the T566 that obtains of Raybestos companies, or other suitable friction materials.
As mentioned above, when lift car is moved up or down in hoistway, axle 14 rotates, so that pad 26
Rotation.During that time, electromagnet 33 receives electric current, so that movable platen 28 is moved away from pad 26, so as to allow
Pad 26 is rotated freely through.When the car is stopped, the electric current towards electromagnet 33 is stopped, and spring 30 makes the direction of movable platen 28
Pad 26 and be axially moveable.This movement make pad 26 move and with a side contacts of fixed plate 24, and with movable platen 28
A side contacts.Friction between the surface and the side of fixed plate 24 and the side of movable platen 28 of pad 26 makes pad 26
Rotary motion stops.Due to splined connection 25, the rotary motion of axle 14 is also stopped.Then the rotary motion of axle 14
This stopping make the mobile stopping of car in hoistway up or down.Flowing through the electric current of electromagnet 33 overcomes movable platen 28
The extruding force of spring 30 is axially moveable towards electromagnet 33.When elevator device, which exists, to have a power failure, no current is sent by electricity
Magnet 33, and movable platen 28 be released and by spring 30 move to pad 26.This ensure movable platen 28 towards pad 26 and edge
Axial movement, to have a power failure in elevator device in the case of stop car movement.
In some instances, when plate 24,28 and pad 26 are moved together to stop the movement of lift car by rubbing
When, some situations can be pasted together plate 24,28 and pad 26, so as to prevent further elevator from moving.This generally occurs
In humid climate, or occur in the case of elevator is not frequently used, such as race wherein may only hold one weekly
In secondary sports ground.This it can also happen that when being transported by sea to elevator brake device assembly, wherein during sea-freight or when etc.
When mounted, it may be contacted with moisture.When fixed plate 24, pad 26 and movable platen 28 are kept together up to very by spring 30
Long a period of time (such as in the case of sports ground, having one week between race or more long), or up to several weeks (in sea-freight
And/or during being exposed to moisture), the plate could be adhered on pad 26, and even receive electric current so that movable in electromagnet
Plate 28 is moved away from after fixed plate and pad 26, can still keep being pasted together.When it happens, elevator sends out error signal
Send back to controller, and technical staff must go to inspection problem.This, which must not typically result in, is changed without whole brake assemblies, causes
Elevator can not be used in for a long time, and cause high replacement cost.
The present invention attempts to solve this problem by so：In at least fixed plate 24 and/or movable platen 28 and pad
Include coating (this should be construed to include the use of material) on the side of contact, coating reduces pad 26 and pastes plate 24,28
On possibility.Preferably, coating eliminates any stickup between pad 26 and plate 24,28.However, coating will pad 26
Stickup between plate 24,28 is reduced to the stickup (being measured by moment of torsion) below horizontal of traditional material still in the present invention
In the range of.Any (may eliminate or reduction stickup) discussed before is hereinafter referred to as not gluing.This non-sticking lining can
Completed with some modes, this depends on the material of manufacture fixed plate 24 and movable platen 28.If fixed plate 24 and movable platen 28 by
Ordinary steel is made, then plate is given low roughness coating and scribbles black oxide.In order to realize low roughness coating, steel plate can
It is placed in the roller with grinding-material (such as rock and sand).It can be rotated or rolled so that the table of plate in roller
Face is contacted with grinding-material.Grinding-material removes the microprotrusion produced when forming plate of steel plate, so that reduce the surface of plate
Roughness.Then the plate obtains corrosion resistant black oxide coating.This low roughness steel plate with black oxide is big
Body obtains about 0.12Ra to about 0.25Ra roughness.Alternatively, fixed plate 24 and movable platen 28 can be made of stainless steel,
Wherein non-sticking lining is reflecting layer.The roughness of stainless steel plate with reflecting layer may be about 0.03Ra to about
0.07Ra。
Non-sticking lining on the side at least contacted with pad 26 of fixed plate 24 and/or movable platen 28 is greatly reduced
The possibility of the stickup of plate 24,28 in brake assembly 22, or even in common scenario is pasted, for example elevator infrequently makes
With the situation with elevator in humid climate.Time during can not being run This reduces both elevator, replacing is reduced again wherein
The cost for the brake that plate is stuck.In addition, the present invention can help to eliminate replacing had been exposed to during sea-freight process it is wet
The need for making they or even the brake assembly that is just pasted together before the first use in gas.
Fig. 3 is can according to one of disk brake of the invention, for elevator, using the plate with non-sticking lining
The perspective view of row embodiment.Disc brake component 36 includes detent plate 38, axle 40 with non-sticking lining NS, and braking
Component 42 (it includes clutch 44A, 44B).Disc brake component 36 is to can be used for stopping shifting of the lift car in hoistway
Dynamic another type of brake.Such as in Fig. 1-Fig. 2 clutch brake, by detent plate 38 and brake
Rub to complete to stop between another component (in this case, being clutch 44A, 44B).
Axle 40 is connected in pulley and motor (not shown) to rotate with so that lift car in hoistway upwards and to
Lower movement.Axle 40 is connected on plate 38 so that plate 38 is (almost identical with the axle 14 with Fig. 1-2 and pad 26 as axle 40 rotates
Mode).When desired braking, disc brake component 36 operates to firmly grasp detent plate 38 with clutch 44A, 44B.
When being braked from controller (not shown) transmission signal, brake assemblies 42 operate clutch 44A, 44B to press from both sides
The both sides of tight detent plate 38, stop the rotation of detent plate 38 by frictional force.The rotation of detent plate 38 this
Stopping stops the rotary motion of axle 40, so that mobile stopping of the lift car in hoistway.
When brake is exposed in moisture, or when brake has engaged a period of time, when being pasted with
Between detent plate 38 and clutch 44A, 44B, so as to prevent clutch 44A, 44B from unclamping.This prevents the He of detent plate 38
Axle 40 rotates, therefore prevents elevator from being moved in hoistway.This stickup, which is typically resulted in, to be needed to change brake, so as to increase expense
Stopped transport with elevator the inconvenience of a period of time.In disc brake component 36, there is not snearing by using according to the present invention
The detent plate of layer, paste event is reduced or is eliminated significantly.For the detent plate 38 being made of stainless steel, non-sticking lining
Can be reflecting layer, so as to there is roughness of the about 0.03Ra to about 0.07Ra.For the detent plate 38 being formed from steel, no
Adhesive coating layer is alternatively the low roughness coating with black oxide, so as to have about 0.12Ra to the coarse of about 0.25Ra
Degree.
In summary, with the braking that elevator brake device assembly is replaced according to the detent plate with non-sticking lining of the present invention
Device plate greatly reduces the possibility that detent plate is pasted in elevator brake device assembly.It reduce change to have become to paste
Brake expense, also keep elevator even running to be serviced without interrupting, or even may be engaged in brake in elevator
And car do not move (such as at sports ground) in the case of rest up in the situation of one week or more long.In addition, this is eliminated pair
Some limitations of the sea-freight of brake including the detent plate with non-sticking lining according to the present invention, this includes having to
Ensure that brake assembly is aboard ship kept away from moisture, and away from natural environment (such as rainwater) before being installed in hoistway.
Although describing the present invention with reference to exemplary embodiment, it will be understood by those of skill in the art that not departing from
In the case of the scope of the present invention, it can be variously modified, and equivalent can replace the element of the present invention.For example, using rubbing
Wipe to can be used as the different types of brake (beyond those shown in Fig. 1-Fig. 3) of stopping means and there is not snearing
The detent plate of layer.In addition, as the alternative of non-sticking lining is increased detent plate, can produce with low roughness surface
Detent plate.In addition, do not depart from the present invention essential scope in the case of, can many modifications may be made so that particular condition
Or material is suitable to the teachings of the present invention.Thus, it is intended that the present invention is not limited to disclosed specific embodiment, but this hair
It is bright by all embodiments including being within the purview of the appended claims.
Claims (4)
1. a kind of disc brake component (36) for elevator, including：
Detent plate (38) with non-sticking lining；
Axle (40)；And
Brake assemblies (42) including clutch (44A, 44B)；
Wherein, the axle (40) is connected on the pulley of the elevator and motor to rotate with, so that lift car is in hoistway
In move up and down, and the axle (40) is connected to the plate (38) so that the plate (38) is revolved with the axle (40)
Turn, and when receiving brake signal, the brake assemblies (42) operate the clutch (44A, 44B) to clamp the braking
Therefore the both sides of device plate (38), stop the rotation of the detent plate (38) by frictional force, and stop the axle (40)
With the rotary motion of the lift car.
2. disc brake component (36) according to claim 1, it is characterised in that the detent plate (38) is by stainless
Steel is made, and the non-sticking lining is reflecting layer, so as to there is roughness of the about 0.03Ra to about 0.07Ra.
3. disc brake component (36) according to claim 1, it is characterised in that the detent plate (38) is by steel
Into, and the non-sticking lining is the low roughness coating with black oxide, so as to have about 0.12Ra to about 0.25Ra
Roughness.
4. a kind of brake for elevator, the brake includes：
Fixed plate；
Movable platen, it can be axially moveable toward and away from the fixed plate；And
Pad between the fixed plate and the movable platen, it is used to when being contacted with the movable platen and the fixed plate
Stop the movement of the elevator；There is at least one in wherein described movable platen and the fixed plate reduction pad to paste
The coating of possibility on at least one in the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099141.7A CN107032220A (en) | 2009-06-12 | 2010-06-15 | Brake assembly |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/483,796 US20100314790A1 (en) | 2009-06-12 | 2009-06-12 | Highly Oriented Graphite Product |
| PCT/US2010/038369 WO2010144838A1 (en) | 2009-06-12 | 2010-06-11 | Highly oriented graphite product |
| CN201710099141.7A CN107032220A (en) | 2009-06-12 | 2010-06-15 | Brake assembly |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800674396A Division CN102933485A (en) | 2010-06-15 | 2010-06-15 | Brake assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107032220A true CN107032220A (en) | 2017-08-11 |
Family
ID=59558142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099141.7A Pending CN107032220A (en) | 2009-06-12 | 2010-06-15 | Brake assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107032220A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320968A (en) * | 2017-09-01 | 2017-11-07 | 沈健龙 | A kind of slide based on bidirectional clutch |
| EP3656725A1 (en) * | 2018-11-26 | 2020-05-27 | Otis Elevator Company | Fail safe bar for clutch type brake adjustment |
| CN111348026A (en) * | 2018-12-20 | 2020-06-30 | 株式会社斗山 | Electronic braking system for electric automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149550A (en) * | 1995-10-31 | 1997-05-14 | 三菱电机株式会社 | Brake for lift hoist |
| CN1255189A (en) * | 1997-03-10 | 2000-05-31 | 联合讯号公司 | Coated friction pad for brake assembly |
| JP2003262243A (en) * | 2002-03-07 | 2003-09-19 | Mitsubishi Electric Corp | Power transmission |
| CN101668693A (en) * | 2006-09-14 | 2010-03-10 | 奥蒂斯电梯公司 | Elevator brake with composite brake hub |
-
2010
- 2010-06-15 CN CN201710099141.7A patent/CN107032220A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149550A (en) * | 1995-10-31 | 1997-05-14 | 三菱电机株式会社 | Brake for lift hoist |
| CN1255189A (en) * | 1997-03-10 | 2000-05-31 | 联合讯号公司 | Coated friction pad for brake assembly |
| JP2003262243A (en) * | 2002-03-07 | 2003-09-19 | Mitsubishi Electric Corp | Power transmission |
| CN101668693A (en) * | 2006-09-14 | 2010-03-10 | 奥蒂斯电梯公司 | Elevator brake with composite brake hub |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320968A (en) * | 2017-09-01 | 2017-11-07 | 沈健龙 | A kind of slide based on bidirectional clutch |
| CN107320968B (en) * | 2017-09-01 | 2019-03-08 | 林权豪 | A kind of slide based on bidirectional clutch |
| EP3656725A1 (en) * | 2018-11-26 | 2020-05-27 | Otis Elevator Company | Fail safe bar for clutch type brake adjustment |
| US10822215B2 (en) | 2018-11-26 | 2020-11-03 | Otis Elevator Company | Fail safe bar for clutch type brake adjustment |
| CN111348026A (en) * | 2018-12-20 | 2020-06-30 | 株式会社斗山 | Electronic braking system for electric automobile |
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