CN107416638A - A kind of lift brake safety clamp - Google Patents
A kind of lift brake safety clamp Download PDFInfo
- Publication number
- CN107416638A CN107416638A CN201710846814.0A CN201710846814A CN107416638A CN 107416638 A CN107416638 A CN 107416638A CN 201710846814 A CN201710846814 A CN 201710846814A CN 107416638 A CN107416638 A CN 107416638A
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- China
- Prior art keywords
- centre operation
- brake block
- operation wheel
- wheel
- cam
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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
Abstract
The present invention relates to a kind of lift brake safety clamp, including pedestal, pedestal is provided with the first brake block and the second brake block, the side away from the second brake block is provided with detent recess on first brake block, pedestal is provided with positioning cylinder, rotatable braked wheel is installed on positioning cylinder, braked wheel includes cam that is setting up and down and being fixedly linked, off-centre operation wheel, the outer of off-centre operation wheel coordinates with detent recess to drive the first brake block to be moved to the second brake block, the base radius of cam is more than or equal to the radius of off-centre operation wheel, and cam may pass through the first brake block and be pressed on cage guide.The lift brake safety clamp realizes braking driving until the first brake block, the second brake block clamp cage guide when braked wheel stops operating using the dynamic friction between cam and cage guide, and such a structure effectively can prevent safety tongs from failing, and reliability is high.
Description
Technical field
The present invention relates to elevator safety control technology, especially a kind of lift brake safety clamp.
Background technology
Safety tongs is the important safety part of lift facility, and safety guarantee effect can be played in elevator overspeed, stall,
The action of safety tongs device is rope-clamping plierses is clamped governor rope by limiter of speed action, as car is run downwards, limiter of speed
Rope draws orange red safety tongs link mechanism, the action of safety tongs link mechanism, drives safety tongs braking member and guide rail contact so that guide rail
The safety tongs on both sides steps up on guide rail simultaneously, makes car stop.Safety tongs is typically mounted on car bottom girder or two heel posts,
When safety tongs is failure to actuate, brake block and the working face of guide rail of safety tongs keep certain interval, ensure lift car normal operation.It is existing
Some safety tongs can meet the needs of elevator emergency brake substantially, but the risk of brake fade because structure is not reasonable be present,
Reliability is low, it would be highly desirable to improves.
The content of the invention
It is an object of the invention to provide a kind of lift brake safety clamp, for solve existing safety tongs unreasonable structure,
The problem of reliability is low.
In order to solve the above problems, the present invention provides a kind of lift brake safety clamp, including pedestal, the pedestal are provided with
The first brake block and the second brake block are oppositely arranged, is led between first brake block and second brake block formed with elevator
Rail passage, the side away from second brake block is provided with detent recess on first brake block, on the pedestal with it is described
The relative position of detent recess opening direction is provided with positioning cylinder, and rotatable braked wheel, institute are provided with the positioning cylinder
Stating braked wheel includes cam, off-centre operation wheel setting up and down and be fixedly linked, and the outer of the off-centre operation wheel and the braking are recessed
Groove coordinates to drive first brake block to be moved to second brake block, and the base radius of the cam is more than or equal to described
The radius of off-centre operation wheel, and the cam may pass through first brake block and be pressed on cage guide, on the braked wheel also
Provided with for the drive shaft with driving the braked wheel to rotate.
Lift brake safety clamp provided by the invention also has following technical characteristic：
Further, the center of circle of the basic circle of the cam, the center of circle of the off-centre operation wheel, the center of circle of the positioning cylinder are positioned at same
On one straight line；The outer contour of the cam is symmetrical on the basic circle center of circle of the cam and the circle center line connecting of the off-centre operation wheel
To realize that bi-directional braking, or the outer contour of the cam are connected by the basic circle center of circle of the cam and the center of circle of the off-centre operation wheel
Line is divided into descending braking curve and up braking curve.
Further, the off-centre operation wheel include the first off-centre operation wheel, the second off-centre operation wheel, the first off-centre operation wheel,
The cam, the second off-centre operation wheel are set gradually from top to bottom, and first brake block is provided with the first driving plate and the
Two driving plates, first driving plate are provided with the detent recess coordinated with the first off-centre operation wheel, second driving
Plate is provided with the detent recess coordinated with the second off-centre operation wheel, first driving plate and second driving plate it
Between may pass through the cavity formed with the cavity passed through for the cam, the cam and be pressed on cage guide.
Further, the first off-centre operation wheel overlaps from the axis of the second off-centre operation wheel and radius is different, described
The radius of the detent recess in first driving plate is identical with the radius of the first off-centre operation wheel, in second driving plate
The detent recess radius it is identical with the radius of the second off-centre operation wheel.
Further, the first off-centre operation wheel overlaps with the axis of the second off-centre operation wheel and radius is equal, described
The radius of detent recess is identical with the radius of the first off-centre operation wheel.
Further, the drive shaft is fixed on the first off-centre operation wheel, the upper surface of the positioning cylinder and institute
It is concordant to state the upper surface of the first off-centre operation wheel, is further fixed on extending to first off-centre operation on the upper surface of the positioning cylinder
Tabletting on wheel is to prevent the braked wheel from moving up.
Further, be further fixed on disk spring on the pedestal, one end of the disk spring with the pedestal
Fixed plate is fixedly linked, and the other end of the disk spring is fixedly linked with second brake block.
Further, two guide plates are additionally provided with the pedestal, second brake block can be along the disk spring
Axis moves between two guide plates.
Further, the chute below first brake block, the chute and elevator are offered on the pedestal
Guide rail is vertical, and the downside of second driving plate is provided with the sliding block coordinated with the chute, and the sliding block coordinates with the chute
So that first brake block can move along the axis direction of the disk spring.
Further, two necks are offered on the downside of second driving plate, is fixed with the neck described in being wrapped in
The steel band of second off-centre operation wheel extension, the steel band are used to prevent first brake block from the braked wheel departing from.
The present invention has the advantages that：By setting the braked wheel with off-centre operation wheel and cam, the base radius of cam
Radius and cam more than or equal to off-centre operation wheel may pass through the first brake block and be pressed on cage guide, urgent shape occurs in elevator
When condition needs brake hard, limiter can drive braking by steel wire rope, transmission mechanism effect with the drive shaft on braked wheel
Wheel is rotated, and the outer of the cam on braked wheel is pressed on cage guide first, because lift car still relative elevator guide rail is transported
Dynamic, the frictional force band moving cam between cage guide and cam is rotated further, braked wheel be rotated further during because of cage guide
It will not move, the relative motion between cam and cage guide causes positioning cylinder to be moved with moving base to the direction of the first brake block
Dynamic, pedestal movement drives the opposite side of the second brake block and cage guide to compress rear pedestal with cage guide in vertical lift guide rail
Direction on geo-stationary, now cam compressed with cage guide, the first brake block does not contact with cage guide, cage guide with
Cam relative motion；Cage guide or drive shaft continue to drive cam rotation, off-centre operation wheel and the first brake block on braked wheel
On detent recess coordinate the first brake block of driving mobile to cage guide and be pressed on cage guide, thus the first brake block
Cage guide is clamped with the second brake block so that lift car stops on cage guide, realizes brake hard；The elevator system
Cam and off-centre operation wheel on the braked wheel of dynamic safety tongs, can pass through the frictional force drives braked wheel between cam and cage guide
Rotate, then by off-centre operation wheel drive the first brake block gripping elevator guide rails, utilize the dynamic friction between cam and cage guide
Realize that braking driving the first brake block, second brake block when braked wheel stops operating clamp cage guide, such a structure
Effectively it can prevent safety tongs from failing, reliability is high.
Brief description of the drawings
Fig. 1 is the structural representation of the lift brake safety clamp of the embodiment of the present invention；
Fig. 2 is the top view of the lift brake safety clamp in Fig. 1；
Fig. 3 is the front view of the lift brake safety clamp in Fig. 1；
Fig. 4 is the upward view removed after pedestal of the lift brake safety clamp of the embodiment of the present invention；
Fig. 5 is the structural representation when lift brake safety clamp of the embodiment of the present invention is not operating；
Fig. 6 is the structural representation in the lift brake safety clamp braking procedure of the embodiment of the present invention；
Fig. 7 is the structural representation after the lift brake safety clamp braking of the embodiment of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the present invention can be mutually combined.
In one embodiment of lift brake safety clamp of the invention as shown in Figures 1 to 7, the lift brake safety clamp
Including pedestal 10, pedestal 10 is provided with and is oppositely arranged the first brake block 20 and the second brake block 30, the first brake block 20 and second
Formed with cage guide passage between brake block 30, on the first brake block 20 side away from the second brake block 20 be provided with brake it is recessed
Groove 201, the position relative with the opening direction of detent recess 201 is provided with positioning cylinder 11 on pedestal 10, is installed on positioning cylinder 11
There is rotatable braked wheel 40, braked wheel 40 includes cam 41, off-centre operation wheel 42 setting up and down and be fixedly linked, off-centre operation wheel
42 outer coordinates to drive the first brake block 20 to be moved to the second brake block 30 with detent recess 201, the basic circle half of cam 41
Footpath is more than or equal to the radius of off-centre operation wheel 42, and cam 41 may pass through the first brake block 10 and be pressed on cage guide, braked wheel
On be additionally provided with for driving braked wheel 40 rotate drive shaft 401.Lift brake safety clamp in the embodiment, pass through setting
Braked wheel with off-centre operation wheel and cam, the base radius of cam is more than or equal to the radius of off-centre operation wheel and cam may pass through the
One brake block is pressed on cage guide, when there is emergency and needs brake hard in elevator, limiter can by steel wire rope,
With the drive shaft on braked wheel to drive braked wheel to rotate, the outer of the cam on braked wheel is pressed on first for transmission mechanism effect
On cage guide, because lift car still relative elevator guide rail moves, the frictional force band moving cam between cage guide and cam
Be rotated further, braked wheel be rotated further during because cage guide will not move, the relative motion between cam and cage guide
So that positioning cylinder moves with moving base to the direction of the first brake block, pedestal movement drives the second brake block and cage guide
Opposite side compresses rear pedestal and cage guide geo-stationary on the direction of vertical lift guide rail, and now cam supports with cage guide
Pressure, the first brake block do not contact with cage guide, cage guide and cam relative motion；Cage guide or drive shaft continue to drive
Cam rotation, the off-centre operation wheel on braked wheel coordinate the first brake block of driving to be led to elevator with the detent recess on the first brake block
Rail is mobile and is pressed on cage guide, and thus the first brake block clamps cage guide with the second brake block so that elevator car
Railway carriage or compartment stops on cage guide, realizes brake hard；Cam and off-centre operation wheel on the braked wheel of the lift brake safety clamp, can
Rotated by the frictional force drives braked wheel between cam and cage guide, then clamped by the brake block of off-centre operation wheel drive first
Cage guide, braking driving is realized using the dynamic friction between cam and cage guide until braked wheel first is made when stopping operating
Motion block, the second brake block clamp cage guide, and such a structure effectively can prevent safety tongs from failing, and reliability is high.
In the above-described embodiments, the lift brake safety clamp also has following technical characteristic：Preferably, the basic circle of cam 41
The center of circle, the center of circle, the center of circle of positioning cylinder 11 of off-centre operation wheel 42 be located along the same line, and the outer contour of cam 41 on
The basic circle center of circle of cam 41 and the circle center line connecting of off-centre operation wheel 42 are symmetrically to realize bi-directional braking, specifically, by by cam
41 outer contour is set to off in the symmetrical form of center line so that braked wheel 40, which rotates clockwise or counterclockwise, can drive
Pedestal, the first brake block are moved by the first brake block, the second brake block gripping elevator guide rails, can realize elevator as needed
The up brake hard of car or the descending brake hard of lift car；In another implementation, or cam 41 outer contour by cam
The 41 basic circle center of circle is divided into descending braking curve and up braking curve with the circle center line connecting of off-centre operation wheel 42, specifically,
Existing elevator safety gear can only realize the descending braking of lift car, and the lift brake safety clamp in the application is by outside to cam 41
The design of contour curve, can realize the descending braking of lift car, and and can realizes the up braking of lift car；Preferably, cam
Descending braking curve and up braking curve symmetric design on 41, can also be according to lift car to reduce processing and manufacturing cost
The difference of brake force separately designs the descending braking curve of cam 41 and up braking song in descending braking, up braking procedure
Line；It is understood that descending braking curve or up braking curve, cam can also be only set on the outline of cam 41
The outer contour of 41 other parts can simplify to reduce processing cost as needed, in the lift brake safety clamp of the application
In, only need the base radius of cam 41 to may pass through the first braking more than or equal to the radius of off-centre operation wheel 42 and a part for cam 41
Block 10 is pressed on the descending braking that lift car is can be achieved with cage guide or up braking.
In the above embodiment, it is preferable that as shown in figure 3, off-centre operation wheel 42 is inclined including the first off-centre operation wheel 421, second
Heart circle wheel 422, the first off-centre operation wheel 421, cam 41, the second off-centre operation wheel 422 are set gradually from top to bottom, the first brake block 20
The first driving plate 21 and the second driving plate 22 are provided with, the first driving plate 21 is provided with the braking coordinated with the first off-centre operation wheel 421
Groove 201, the second driving plate 22 are provided with the detent recess coordinated with the second off-centre operation wheel 422, the first driving plate 21 and second
It may pass through cavity 23 formed with the cavity 23 passed through for cam 41, cam 41 between driving plate 22 and be pressed on cage guide, lead to
Cross the both sides above and below cam and off-centre operation wheel is set so that lift brake safety clamp power transmission in braking procedure is steady, equal
Weighing apparatus, avoids the occurrence of clamping stagnation, and reliability is high.In such an embodiment, it is preferable the braked wheel 40 in the embodiment has same revolving body
Turnery processing is molded, i.e., the first off-centre operation wheel 421, cam 41, the second off-centre operation wheel 422 on the braked wheel 40 are integral type knot
Structure, the braked wheel 40 are fixed on positioning cylinder 11 by the through hole at middle part and can rotated on positioning cylinder 11.Preferably,
In this embodiment, the first off-centre operation wheel 421 overlaps with the axis of the second off-centre operation wheel 422 and radius is equal, detent recess 201
Radius it is identical with the radius of the first off-centre operation wheel 421, the second off-centre operation wheel 422 so that the first driving plate, second driving
Plate motion is synchronous, the first brake block stable movement.In another example of the application, the first off-centre operation wheel 421 and second inclined
The axis of heart circle wheel 422 overlaps and radius is different, the radius and the first off-centre operation wheel of the detent recess 201 in the first driving plate 21
421 radius is identical, and the radius of the detent recess in the second driving plate 22 is identical with the radius of the second off-centre operation wheel 422, thus
So that the less off-centre operation wheel of radius coordinates driving the first brake block motion with the detent recess in corresponding driving plate first, so
Afterwards again from the larger off-centre operation wheel of radius with driving the motion of the first brake block with the detent recess in corresponding driving plate, thus
The motion of the first brake block different phase can be controlled respectively by the different off-centre operation wheel of two radiuses, can be by off-centre operation wheel
Translational speed, the clamp speeds of different phase, meet different elevators in design the first brake block braking procedure of control of radius
Brake hard control needs.
In the above embodiment, it is preferable that as shown in Figure 1 and Figure 2, drive shaft 401 is fixed on the first off-centre operation wheel 421,
The upper surface of positioning cylinder 11 is concordant with the upper surface of the first off-centre operation wheel 421, is further fixed on the upper surface of positioning cylinder 11
The tabletting 111 extended on the first off-centre operation wheel 421 thereby guarantees that braked wheel fixation can to prevent braked wheel 40 from moving up
Lean on.
In the above embodiment, it is preferable that as shown in Figure 1 and Figure 2, disk spring 50, dish-shaped bullet are further fixed on pedestal 10
One end of spring 50 is fixedly linked with the fixed plate 12 on pedestal 10, the other end of disk spring 50 and the stationary phase of the second brake block 30
Even, so that the second brake block is fixed reliable on pedestal, disk spring is also possible that between the second brake block and pedestal
There can be relative movement, avoid the second brake block from being contacted firmly with cage guide and cause guide rail or brake block to damage.Preferably, it is dish-shaped
The quantity of spring 50 is two, and the second brake block thus can be avoided to swing so that the second brake block contacts reliably with cage guide,
Stress equalization when compressing.Preferably, two guide plates 13 are additionally provided with pedestal 10, the second brake block 20 can be along disk spring 50
Axis moves between two guide plates 13, so that it is the second brake block stable movement, reliable, will not be in the band of cage guide
Dynamic lower skew, swing.
In the above embodiment, it is preferable that the chute positioned at the lower section of the first brake block 20 is offered on pedestal 10, the cunning
Groove and the diameter parallel or vertical with cage guide of disk spring 50, the downside of the second driving plate 22 is provided with to be coordinated with the chute
Sliding block（Not shown in figure）, the sliding block coordinates with the chute make it that the first brake block 20 can be along the axis of disk spring 50
Direction is moved, so that the first brake block can only move on edge on pedestal perpendicular to the direction of cage guide, it is of course also possible to
The moving direction of the first brake block, such as the guide plate 13 in the above embodiment of the present invention are limited using other guide frames, the
The guiding of one brake block, position limiting structure can also use other forms, will not be repeated here.
In one embodiment of the application, it is preferable that as shown in figure 4, the downside of the second driving plate 22 offers two cards
221 grooves, the steel band 60 for being wrapped in the outer of the second off-centre operation wheel 422 is fixed with neck 221, and steel band 60 is used to prevent the first braking
Block 20 departs from braked wheel 40, and the first brake block 20 in the embodiment can move on pedestal 10 along the axis of disk spring 50
It is dynamic to be moved perpendicular to the axis of disk spring.
The structural representation of each working condition of lift brake safety clamp of the embodiment of the present invention as shown in Figures 5 to 7, figure
5 be the structural representation when lift brake safety clamp is not operating, now cam 41, the first brake block 10, the second brake block 20
Do not moved up and down with guide rail contact, the lift brake safety clamp along cage guide；Fig. 6 is that the lift brake safety clamp was braked
The side conflict of structural representation in journey, now the second brake block 20 and cage guide, cam 41 are another with cage guide
Side contradicts and the brake block of off-centre operation wheel drive first moves to cage guide, and the lift brake safety clamp is still along above and below cage guide
Motion；Fig. 7 is the structural representation after lift brake safety clamp braking, and now cam 41 separates with cage guide, the first system
Motion block 20, the second brake block 30 are clamped in the both sides of cage guide respectively, and the lift brake safety clamp relative elevator guide rail is supreme
Lower motion, lift car stop moving up and down on cage guide, realize brake hard.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of lift brake safety clamp, including pedestal, the pedestal, which is provided with, is oppositely arranged the first brake block and the second braking
Block, formed with cage guide passage between first brake block and second brake block, it is characterised in that first system
The side away from second brake block is provided with detent recess on motion block, on the pedestal with the detent recess opening direction phase
To position be provided with positioning cylinder, rotatable braked wheel is installed, the braked wheel includes above dividing on the positioning cylinder
Cam, the off-centre operation wheel put and be fixedly linked, the outer of the off-centre operation wheel coordinate with the detent recess to drive described the
One brake block moves to second brake block, and the base radius of the cam is more than or equal to the radius of the off-centre operation wheel, and
The cam may pass through first brake block and be pressed on cage guide, be additionally provided with the braked wheel for described in driving
The drive shaft that braked wheel rotates.
2. lift brake safety clamp according to claim 1, it is characterised in that：It is the center of circle of the basic circle of the cam, described
The center of circle of off-centre operation wheel, the center of circle of the positioning cylinder are located along the same line；The outer contour of the cam is on described convex
The circle center line connecting of the basic circle center of circle of wheel and the off-centre operation wheel symmetrically to realize bi-directional braking, or the cam outer contour by
The basic circle center of circle of the cam and the circle center line connecting of the off-centre operation wheel are divided into descending braking curve and up braking curve.
3. lift brake safety clamp according to claim 1, it is characterised in that：The off-centre operation wheel includes the first off-centre operation
Wheel, the second off-centre operation wheel, the first off-centre operation wheel, the cam, the second off-centre operation wheel are set gradually from top to bottom, institute
State the first brake block and be provided with the first driving plate and the second driving plate, first driving plate is provided with and the first off-centre operation wheel
The detent recess coordinated, second driving plate are provided with the detent recess coordinated with the second off-centre operation wheel,
Between first driving plate and second driving plate institute is may pass through formed with the cavity passed through for the cam, the cam
Cavity is stated to be pressed on cage guide.
4. lift brake safety clamp according to claim 3, it is characterised in that：The first off-centre operation wheel and described second
The axis of off-centre operation wheel overlaps and radius is different, the radius of the detent recess in first driving plate and described first inclined
The radius of heart circle wheel is identical, the radius of the radius of the detent recess in second driving plate and the second off-centre operation wheel
It is identical.
5. lift brake safety clamp according to claim 3, it is characterised in that the first off-centre operation wheel and described second
The axis of off-centre operation wheel overlaps and radius is equal, and the radius of the detent recess is identical with the radius of the first off-centre operation wheel.
6. lift brake safety clamp according to claim 1 or 2, it is characterised in that：The drive shaft is fixed on described
On one off-centre operation wheel, the upper surface of the positioning cylinder is concordant with the upper surface of the first off-centre operation wheel, the positioning cylinder
Upper surface on the tabletting that is further fixed on extending on the first off-centre operation wheel to prevent the braked wheel from moving up.
7. lift brake safety clamp according to claim 1 or 2, it is characterised in that：Dish is further fixed on the pedestal
Spring, one end of the disk spring are fixedly linked with the fixed plate on the pedestal, the other end of the disk spring and institute
The second brake block is stated to be fixedly linked.
8. lift brake safety clamp according to claim 7, it is characterised in that：Two guiding are additionally provided with the pedestal
Plate, second brake block can move along the axis of the disk spring between two guide plates.
9. lift brake safety clamp according to claim 1 or 2, it is characterised in that：Offered on the pedestal positioned at institute
State the chute below the first brake block, the chute is vertical with cage guide, the downside of second driving plate be provided with it is described
The sliding block that chute coordinates, the sliding block coordinates with the chute make it that first brake block can be along the axis of the disk spring
Move in direction.
10. lift brake safety clamp according to claim 3, it is characterised in that：Offered on the downside of second driving plate
Two necks, the steel band for being wrapped in the second off-centre operation wheel outer is fixed with the neck, and the steel band is used to prevent institute
The first brake block is stated with the braked wheel to depart from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710846814.0A CN107416638A (en) | 2017-09-19 | 2017-09-19 | A kind of lift brake safety clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710846814.0A CN107416638A (en) | 2017-09-19 | 2017-09-19 | A kind of lift brake safety clamp |
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| Publication Number | Publication Date |
|---|---|
| CN107416638A true CN107416638A (en) | 2017-12-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710846814.0A Pending CN107416638A (en) | 2017-09-19 | 2017-09-19 | A kind of lift brake safety clamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292698A (en) * | 2018-11-15 | 2019-02-01 | 无锡星亿智能环保装备股份有限公司 | A kind of combined type buoyancy braking safety device |
| CN109399417A (en) * | 2018-12-17 | 2019-03-01 | 康力电梯股份有限公司 | A kind of elliptic voussoir uplink and downlink brake safe pincers and linkage mechanism |
| CN110356944A (en) * | 2018-03-26 | 2019-10-22 | 上海三菱电梯有限公司 | Brake device for elevator |
| CN110356945A (en) * | 2018-03-26 | 2019-10-22 | 上海三菱电梯有限公司 | The wear sensing equipment and brake device for elevator of linear motion component |
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| DE19850678C1 (en) * | 1998-11-03 | 2000-03-16 | Gerhard Schlosser | Double acting drop brake for shelving lift has bracket on guide rail with active and passive brake pads |
| EP0999168A2 (en) * | 1998-11-03 | 2000-05-10 | Gerhard Schlosser | Dual action braking device for elevators or rack serving equipment |
| DE19940059A1 (en) * | 1998-11-03 | 2001-04-12 | Gerhard Schlosser | Double-action brake catching device for lifts (elevators) or shelf servicing units, with reaction brake shoe and/or active brake shoe in form of double wedge rocker turning in bracket |
| US20020070082A1 (en) * | 2000-12-07 | 2002-06-13 | Muff Josef A. | Safety brake and method for unlocking a safety brake |
| CN101172554A (en) * | 2007-09-27 | 2008-05-07 | 日立电梯（中国）有限公司 | Bidirectional safety tongs device for elevator |
| CN202464981U (en) * | 2012-02-24 | 2012-10-03 | 苏州莱茵电梯制造有限公司 | Safety tongs with cam structure |
| CN104936882A (en) * | 2012-11-27 | 2015-09-23 | 因温特奥股份公司 | Catching device for a traveling body of an elevator system |
| US20160311652A1 (en) * | 2013-12-16 | 2016-10-27 | Inventio Ag | Brake for elevator systems |
| CN207566656U (en) * | 2017-09-19 | 2018-07-03 | 西继迅达（许昌）电梯有限公司 | A kind of lift brake safety clamp |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356944A (en) * | 2018-03-26 | 2019-10-22 | 上海三菱电梯有限公司 | Brake device for elevator |
| CN110356945A (en) * | 2018-03-26 | 2019-10-22 | 上海三菱电梯有限公司 | The wear sensing equipment and brake device for elevator of linear motion component |
| CN110356944B (en) * | 2018-03-26 | 2021-08-03 | 上海三菱电梯有限公司 | Elevator brake device |
| CN109292698A (en) * | 2018-11-15 | 2019-02-01 | 无锡星亿智能环保装备股份有限公司 | A kind of combined type buoyancy braking safety device |
| CN109399417A (en) * | 2018-12-17 | 2019-03-01 | 康力电梯股份有限公司 | A kind of elliptic voussoir uplink and downlink brake safe pincers and linkage mechanism |
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Address after: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Applicant after: Xiji Xunda Elevator Co., Ltd Address before: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Applicant before: XJ SCHINDLER (XUCHANG) ELEVATOR Co.,Ltd. |
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