CN108861940A - Wind trainer type catching device for elevator brake - Google Patents
Wind trainer type catching device for elevator brake Download PDFInfo
- Publication number
- CN108861940A CN108861940A CN201810741268.9A CN201810741268A CN108861940A CN 108861940 A CN108861940 A CN 108861940A CN 201810741268 A CN201810741268 A CN 201810741268A CN 108861940 A CN108861940 A CN 108861940A
- Authority
- CN
- China
- Prior art keywords
- guide groove
- shell
- fan housing
- turntable
- guide rail
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
-
- 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
- B66B5/22—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 means of linearly-movable wedges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses the wind trainer type catching devices for elevator brake, it includes windage induction mechanism, the interlinked mechanism to match with windage induction mechanism is installed on shell, it is provided on shell a pair of perpendicular to guide rail guide groove and the braking guide groove that is connected with guide rail guide groove, braking guide groove is symmetrically arranged in the both ends of guide rail guide groove and brakes guide groove to match with brake silpper, and braking guide groove is used to be oriented to brake silpper and slides along the direction perpendicular to guide rail guide groove；Wherein, wind trainer type catching device for elevator brake further includes the irreversible control for being installed on shell and unidirectionally moving towards guide rail guide groove direction for controlling brake silpper, interlinked mechanism further includes the shaft for being installed on turntable and arrangement concentric with it, driving lever connect with shaft and the rotation of driving lever can drive shaft synchronous rotation.
Description
The present invention be the applying date be on February 05th, 2017, application No. is：2017100647405, entitled " elevator
The divisional application of the patent of invention of catching device ".
Technical field
The present invention relates to a kind of wind trainer type catching devices for elevator brake.
Background technique
Currently, the well known wind trainer type catching device for elevator brake mainly uses two ways to trigger, first, using losing
The mode of weight is incuded, and when elevator rapidly glides, mass is in state of weightlessness, to trigger；Another kind, using electronics
Sensing apparatus is incuded, such as rate induction.
The present invention provides a kind of wind trainer type catching devices for elevator brake triggered using windage, are different from existing
Catching device trigger theory.
Summary of the invention
The object of the present invention is to provide the windage induction type catching devices for being different from existing catching device trigger theory, work as elevator emergency
Speed generates larger windage and the work using windage trigger mechanism when gliding, it is weightless that windage induction type catching device can solve solution
The one-way problem of induction, and can solve the stability problem of electronic induction equipment.
To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
Wind trainer type catching device for elevator brake comprising the shell being fixedly connected with lift car is arranged on shell
There is the guide rail guide groove to match with guide rail, shell is also connected with windage induction mechanism, is equipped on shell and windage induction mechanism
The interlinked mechanism to match, shell also shiding matching have the brake silpper connecting with interlinked mechanism and for braking；
Windage induction mechanism comprising fan housing, the driving lever connecting with fan housing wall portion, fan housing are the bowl body of opening straight down, wind
The central axis cylindrical central sleeve parallel with guide rail guide direction is additionally provided in cover, cylindrical central sleeve passes through the wall of connecting plate and fan housing
Portion's connection, is spaced between cylindrical central sleeve and the wall portion of fan housing and is formed with the air duct being connected with fan housing inner cavity, and cylindrical central sleeve interior
It is switched equipped with air duct, air duct switch includes the guide shaft for being socketed in cylindrical central sleeve and arranging with cylindrical central sleeve coaxial line, guide shaft
One end is equipped with interior aerofoil in fan housing, and restraining position ring block is installed on the top of guide shaft；The outside of guide shaft is also socketed between wind
Reset spring between cover and interior aerofoil, the interior cavity direction that reset spring pushes interior aerofoil towards fan housing move；
The other end of driving lever is connected to interlinked mechanism, and interlinked mechanism includes turntable, and driving lever is connect with turntable and the rotation of driving lever
Can drive shaft synchronous rotation, turntable is installed on shell and can be around own axis；Turntable is cut with scissors with a pair of links respectively
It connecing, the line of the articulated position of a pair of links and turntable passes through the central axis of turntable and is symmetrically arranged in the two sides of turntable,
The suspension end of connecting rod is articulated with brake silpper；
It is provided on shell a pair of perpendicular to guide rail guide groove and the braking guide groove that is connected with guide rail guide groove, braking guide groove are symmetrical
It is arranged in the both ends of guide rail guide groove and brakes guide groove and match with brake silpper, braking guide groove is for being oriented to brake silpper along vertical
Directly slided in the direction of guide rail guide groove；
It wherein, further include being installed on shell and for controlling the unidirectional court of brake silpper for the wind trainer type catching device of elevator brake
The irreversible control of direction guiding rail guide groove direction movement,
Interlinked mechanism further includes the shaft for being installed on turntable and arrangement concentric with it, and driving lever is connect with shaft and turn of driving lever
It is dynamic can drive shaft synchronous rotation.
Above-mentioned reset spring is socketed on the outside of guide shaft and is socketed on the inside of cylindrical central sleeve, and one end of reset spring is supported
To the interior step of cylindrical central sleeve, the other end is against interior aerofoil.
Interior aerofoil is that the upper wall portions of the bullet and interior aerofoil that Open Side Down and the inner wall part shape of fan housing are adapted.
Relative to existing conventional catching device, catching device provided by the invention is triggered by the way of windage induction, benefit
It is braked with the frictional force of brake silpper and guide rail, substitutes the destructive locking of existing conventional wedge block, the present invention provides
Catching device be reciprocally used for multiple times, and the present invention is also devised with irreversible control, can solve maintenance people remove, dimension
It is dangerous that carriage downslide is encountered during repairing.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of windage induction mechanism.
Fig. 3 is the structural schematic diagram of windage induction mechanism.
Fig. 4 is the structural schematic diagram of windage induction mechanism.
Fig. 5 is the structural schematic diagram of air duct switch.
Fig. 6 is the structural schematic diagram that shell and interlinked mechanism, brake silpper cooperate.
Fig. 7 is the structural schematic diagram of shell and interlinked mechanism cooperation.
Fig. 8 is the structural schematic diagram of turntable.
Fig. 9 is the structural schematic diagram of interlinked mechanism and brake silpper cooperation.
Figure 10 is the structural schematic diagram of shell.
Figure 11 is the structural schematic diagram of shell.
Figure 12 is the structural schematic diagram of irreversible control.
It is denoted as in figure：
100, guide rail；
200, shell；210, guide rail guide groove；220, one-way locking guide groove；230, rotary table；240, guide groove is braked；250, braking guiding
Column；260, limited block；
300, windage induction mechanism；310, fan housing；312, air duct；314, cylindrical central sleeve；316, connecting plate；320, driving lever；330,
Air duct switch；332, guide shaft；334, reset spring；336, interior aerofoil；
400, interlinked mechanism；410, turntable；412, shaft；414, mounting groove；420, connecting rod；
500, brake silpper；
600, irreversible control；610, support plate；620, spring is jacked；630, latch.
Specific embodiment
Catching device of the invention is incuded using windage principle, and moving object is moved downward or moved upwards or inclines
Tiltedly movement adapts to, and solves the problems, such as the one-way that existing weightless sense is answered, and since the mechanical structure that the present invention uses is more steady
It is fixed, it is more reliable relative to electronic induction equipment.
As a shown in Figure 6, for the wind trainer type catching device of elevator brake comprising the shell being fixedly connected with lift car
200, the guide rail guide groove 210 to match with guide rail 100 is provided on shell 200, and shell 200 is also connected with windage induction mechanism
300, the interlinked mechanism 400 to match with windage induction mechanism 300 is installed on shell 200, shell 200 go back shiding matching have with
Interlinked mechanism 400 connects and the brake silpper 500 for braking.
As in Figure 2-4, windage induction mechanism 300 comprising fan housing 310, the driving lever 320 being connect with 310 wall portion of fan housing,
Fan housing 310 is opening towards anti-fall direction or the bowl body of the direction of motion, is additionally provided with central axis and moving object in fan housing 310
The parallel cylindrical central sleeve 314 of the body direction of motion, cylindrical central sleeve 314 are connect by connecting plate 316 with the wall portion of fan housing 310, center
Interval is formed with the air duct 312 being connected with 310 inner cavity of fan housing, cylindrical central sleeve 314 between sleeve 314 and the wall portion of fan housing 310
Inside be matched with air duct switch 330, air duct switch 330 include be socketed in cylindrical central sleeve and with 314 coaxial line cloth of cylindrical central sleeve
The guide shaft 332 set, guide shaft 332 are located at one end in fan housing 310 and are equipped with interior aerofoil 336, and the top of guide shaft 332 is equipped with limit
Ring, the stop collar are preferably circlip；The outside of guide shaft 332 is also socketed with the reset bullet between fan housing 310 and interior aerofoil 336
Spring 334, the interior cavity direction that reset spring 334 pushes interior aerofoil 336 towards fan housing 310 move.It is existing for elevator brake
The anti-fall direction of wind trainer type catching device be straight down, therefore, the opening direction of fan housing 310 should be downward；When object is in level side
To when moving or moving upwards, to realize fast braking in an overspeed situation, the opening direction of fan housing 310 should be towards object
The direction of motion of body；It can only unilateral system it will be apparent that existing catching device can be solved using windage induction mechanism provided by the invention
Dynamic problem.
Under original state, reset spring 334 pushes interior fan housing 336 to be detached from fan housing inner wall, and air duct 312 and fan housing
Inner cavity is connected；When fan housing 310 is slided with stabilized speed or safe speed, windage is less than the elastic force of reset spring 334, collection
It is discharged in the air in fan housing 310 from air duct 312；When fan housing 310 is with high-speed motion or slides beyond safe speed, windage
Greater than the elastic force of reset spring 334, at this time in aerofoil 336 be bonded with the inner wall part of fan housing 310, air duct 312 and fan housing inner cavity it
Between channel blocked by interior aerofoil, combining in the air in fan housing cannot exclude out of air duct 312, under the action of windage, fan housing hair
Raw deflection action.
For the stroke for reducing interior aerofoil 336, expands the influence of windage and improve induction precision, it is as in Figure 2-4, above-mentioned
Reset spring 334 is socketed on the outside of guide shaft 332 and is socketed on the inside of cylindrical central sleeve 314, and one end of reset spring 334 is supported
To the interior step of cylindrical central sleeve, the other end is against interior aerofoil 336；The shrinkage of reset spring 334 is reduced, interior aerofoil is shortened
Spacing distance between 336 and fan housing 310.
For the influence for improving windage, as in Figure 2-4, interior aerofoil 336 is the bullet that Open Side Down and interior aerofoil 336
Upper wall portions and fan housing inner wall part shape be adapted；More perfectly, the central axis of the axis of interior aerofoil 336 and fan housing 310
Line is overlapped, and the axis of interior aerofoil 336 is also overlapped with the axis of cylindrical central sleeve.
As shown in Fig. 1,6,7, the other end of driving lever 320 is connected to interlinked mechanism 400, and interlinked mechanism 400 includes turntable
410, it is installed on the shaft 412 of turntable 410 and arrangement concentric with it, driving lever 320 is connect with shaft 410 and driving lever 320
Rotation can drive shaft 410 synchronous rotation, turntable 410 is installed on shell 200 and can be around own axis, turntable 410
Hinged with a pair of links 420 respectively, the line of the articulated position of a pair of links 420 and turntable passes through the central axis of turntable 410
And the two sides of turntable 410 are symmetrically arranged in, the suspension end of connecting rod 420 is articulated with brake silpper 500.
More perfectly, as shown in Fig. 8,10,11, the rotary table 230 connecting with turntable 410, turntable are provided on shell 200
It is provided with the mounting groove 414 with 230 arranged concentric of rotary table on 410, turntable 410 and 230 arranged concentric of rotary table and can be around itself
Axis rotation.
As shown in Fig. 1,6,7,11, be provided on shell 200 it is a pair of perpendicular to guide rail guide groove 210 and with guide rail guide groove
The 210 braking guide grooves 240 being connected, braking guide groove 240 are symmetrically arranged in the both ends of guide rail guide groove 210 and brake guide groove 240
Match with brake silpper 500, it is sliding along the direction perpendicular to guide rail guide groove 210 that braking guide groove 240 is used to be oriented to brake silpper 500
It is dynamic；Braking guide post 250 identical with braking 240 guide direction of guide groove, brake silpper 500 and system are additionally provided on shell 200
250 shiding matching of action-oriented column and braking is socketed in guide post 250 pushes brake silpper 500 to deviate guide rail guide groove 210
Spring.
Windage induction mechanism self weight under the influence of and be socketed on braking guide post 250 spring provide elastic effect
Under, there is the risk being detached from from braking guide post 250 in brake silpper 500, to solve this technical problem, the present invention should be wrapped also
The anti-detachment mechanism that limitation brake silpper 500 is detached from from braking guide post 250 is included, which can be to be set to system
Action-oriented column 250 suspends the limited block at end, and anti-detachment mechanism can also be to be set to shell 200 and limit the rotation of driving lever 320
Limited block 260；Under original state, limited block 260 against driving lever 320 to limit the position of driving lever 320, to solve to brake
The problem of sliding block 500 is detached from from braking guide post 250.
When Lift out of order and when carriage rapidly glides, the fan housing 310 of windage induction mechanism is occurred by windage effect
Deflection, and drive the driving lever connecting with fan housing 310 that deflection clockwise, driving of the turntable 410 connecting with driving lever in driving lever occurs
Under synchronize and deflect, since brake silpper 500 is connect by connecting rod 420 with turntable, turntable gives connecting rod in deflection process
420 towards guide rail guide groove 210 tractive force, to realize that connecting rod pulls brake silpper 500 towards guide rail guide groove movement, for enhancing
Braking effect, brake silpper 500 utilize reticulate pattern to increase friction towards reticulate pattern is provided on the braking end face of guide rail guide groove one end
Power improves braking effect.
Further to shorten the stroke of brake silpper 500 and improving the rational deployment of mechanism, the present invention provides more
For perfect embodiment, as a shown in Figure 6, under original state, the line of a pair of of driving lever 320 and the articulated position of turntable 410
Across turntable 410 central axis and arranged along the guide direction of guide rail guide groove 210, setting is against driving lever 320 along shell 200
And limit the limited block 260 that driving lever 320 rotates counterclockwise.
When Lift out of order and when carriage rapidly glides, brake silpper 500 slided towards guide rail guide direction and
It is contacted with guide rail surface, brake silpper 500 generates larger resistance to the pressure that guide rail surface applies and the resistance can force sedan-chair
Compartment is slowed down and is perhaps stopped when car speed is reduced within the scope of safe speed or is stopped, and windage is smaller, in windage induction mechanism
Effect of weight under and be socketed on braking guide post spring elastic effect under, windage induction mechanism will drive turntable
410 occur rotation counterclockwise, so that brake silpper 500 is detached from guide rail surface, at this point, lift car can occur rapidly again
The phenomenon that downslide, this kind of situation exactly put brake phenomenon；To avoid a generation for brake phenomenon, the invention also includes be installed on shell
200 and the irreversible control 600 that is unidirectionally moved towards 210 direction of guide rail guide groove for controlling brake silpper 500, it is unidirectional to control
Mechanism 600 processed can be used the already existing device for having identical function in the prior art and realize, such as ratchet mechanism.
As shown in Fig. 1,6,12, irreversible control 600 comprising be installed on the support plate 610 of shell 200, be set to
The rack gear of brake silpper, the latch 630 for connecting with support plate 610 and matching with rack gear, support plate 610 and latch
The jacking spring 620 for pushing latch 630 to move towards brake silpper direction is provided between 630, rack gear is along braking guide groove 240
Guide direction arrangement and rack gear on the tooth arranged be helical teeth, be provided on latch 630 and match with the helical teeth on rack gear
Tooth, the tooth being set on latch matched with the helical teeth on rack gear realize brake silpper unidirectionally towards guide rail sliding chute direction transport
It is dynamic.
More perfectly, as shown in Fig. 1,6,7,10, be provided on shell 200 along guide rail guide groove guide direction arrangement and
With the one-way locking guide groove that is connected to of braking guide groove 240, one-way locking guide groove and latch shiding matching and led along one-way locking
The guide direction of slot is slided, and support plate 610 is installed on the top of one-way locking guide groove.
Claims (3)
1. being used for the wind trainer type catching device of elevator brake comprising the shell being fixedly connected with lift car is provided on shell
The guide rail guide groove to match with guide rail, it is characterised in that：Shell is also connected with windage induction mechanism, is equipped on shell and windage
The interlinked mechanism that induction mechanism matches, shell also shiding matching, which has, to be connect with interlinked mechanism and slides for the braking of braking
Block；
Windage induction mechanism comprising fan housing, the driving lever connecting with fan housing wall portion, fan housing are the bowl body of opening straight down, wind
The central axis cylindrical central sleeve parallel with guide rail guide direction is additionally provided in cover, cylindrical central sleeve passes through the wall of connecting plate and fan housing
Portion's connection, is spaced between cylindrical central sleeve and the wall portion of fan housing and is formed with the air duct being connected with fan housing inner cavity, and cylindrical central sleeve interior
It is switched equipped with air duct, air duct switch includes the guide shaft for being socketed in cylindrical central sleeve and arranging with cylindrical central sleeve coaxial line, guide shaft
One end is equipped with interior aerofoil in fan housing, and restraining position ring block is installed on the top of guide shaft；The outside of guide shaft is also socketed between wind
Reset spring between cover and interior aerofoil, the interior cavity direction that reset spring pushes interior aerofoil towards fan housing move；
The other end of driving lever is connected to interlinked mechanism, and interlinked mechanism includes turntable, and driving lever is connect with turntable and the rotation of driving lever
Can drive shaft synchronous rotation, turntable is installed on shell and can be around own axis；Turntable is cut with scissors with a pair of links respectively
It connecing, the line of the articulated position of a pair of links and turntable passes through the central axis of turntable and is symmetrically arranged in the two sides of turntable,
The suspension end of connecting rod is articulated with brake silpper；
It is provided on shell a pair of perpendicular to guide rail guide groove and the braking guide groove that is connected with guide rail guide groove, braking guide groove are symmetrical
It is arranged in the both ends of guide rail guide groove and brakes guide groove and match with brake silpper, braking guide groove is for being oriented to brake silpper along vertical
Directly slided in the direction of guide rail guide groove；
It wherein, further include being installed on shell and for controlling the unidirectional court of brake silpper for the wind trainer type catching device of elevator brake
The irreversible control of direction guiding rail guide groove direction movement,
Interlinked mechanism further includes the shaft for being installed on turntable and arrangement concentric with it, and driving lever is connect with shaft and turn of driving lever
It is dynamic can drive shaft synchronous rotation.
2. the wind trainer type catching device according to claim 1 for elevator brake, it is characterised in that：Above-mentioned reseting spring sleeve
Be connected to the outside of guide shaft and be socketed on the inside of cylindrical central sleeve, one end of reset spring against cylindrical central sleeve interior step,
The other end is against interior aerofoil.
3. the wind trainer type catching device according to claim 2 for elevator brake, it is characterised in that：Interior aerofoil be opening to
Under bullet and interior aerofoil upper wall portions and fan housing inner wall part shape be adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810741268.9A CN108861940A (en) | 2017-02-05 | 2017-02-05 | Wind trainer type catching device for elevator brake |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810741268.9A CN108861940A (en) | 2017-02-05 | 2017-02-05 | Wind trainer type catching device for elevator brake |
| CN201710064740.5A CN106698140B (en) | 2017-02-05 | 2017-02-05 | Elevator catching device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710064740.5A Division CN106698140B (en) | 2017-02-05 | 2017-02-05 | Elevator catching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108861940A true CN108861940A (en) | 2018-11-23 |
Family
ID=58908995
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810741268.9A Withdrawn CN108861940A (en) | 2017-02-05 | 2017-02-05 | Wind trainer type catching device for elevator brake |
| CN201810741258.5A Withdrawn CN108792876A (en) | 2017-02-05 | 2017-02-05 | Windage induction type elevator safety brake instrument |
| CN201810741261.7A Withdrawn CN108792877A (en) | 2017-02-05 | 2017-02-05 | Windage induction type elevator brake instrument |
| CN201710064740.5A Active CN106698140B (en) | 2017-02-05 | 2017-02-05 | Elevator catching device |
| CN201810741266.XA Withdrawn CN108545567A (en) | 2017-02-05 | 2017-02-05 | Windage induction type catching device for elevator brake |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810741258.5A Withdrawn CN108792876A (en) | 2017-02-05 | 2017-02-05 | Windage induction type elevator safety brake instrument |
| CN201810741261.7A Withdrawn CN108792877A (en) | 2017-02-05 | 2017-02-05 | Windage induction type elevator brake instrument |
| CN201710064740.5A Active CN106698140B (en) | 2017-02-05 | 2017-02-05 | Elevator catching device |
| CN201810741266.XA Withdrawn CN108545567A (en) | 2017-02-05 | 2017-02-05 | Windage induction type catching device for elevator brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN108861940A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108373090B (en) * | 2018-02-13 | 2020-01-10 | 福德斯电梯有限公司 | Passenger elevator overspeed governor safety coefficient |
| CN109650212B (en) * | 2019-01-21 | 2021-06-08 | 日立电梯（中国）有限公司 | Safety protection device, elevator safety control method and elevator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015689A (en) * | 1975-03-13 | 1977-04-05 | Lawrence Peska Associates, Inc. | Elevator system safety brace device |
| JPH0811671B2 (en) * | 1990-11-20 | 1996-02-07 | フジテック株式会社 | Elevator safety equipment |
| CN102241350A (en) * | 2010-05-19 | 2011-11-16 | 周荣刚 | Magnetic energy clutch device for falling protector of mine rope cage |
| US9169104B2 (en) * | 2010-12-17 | 2015-10-27 | Inventio Ag | Activating a safety gear |
| CN201961920U (en) * | 2011-01-17 | 2011-09-07 | 金湘江 | Anti-dropping safety mechanism for elevator |
| CN104709793A (en) * | 2013-12-16 | 2015-06-17 | 西安广融电气有限公司 | Anti-falling device of elevator |
| CN206417749U (en) * | 2017-02-05 | 2017-08-18 | 六安永贞匠道机电科技有限公司 | Elevator catching device |
-
2017
- 2017-02-05 CN CN201810741268.9A patent/CN108861940A/en not_active Withdrawn
- 2017-02-05 CN CN201810741258.5A patent/CN108792876A/en not_active Withdrawn
- 2017-02-05 CN CN201810741261.7A patent/CN108792877A/en not_active Withdrawn
- 2017-02-05 CN CN201710064740.5A patent/CN106698140B/en active Active
- 2017-02-05 CN CN201810741266.XA patent/CN108545567A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN108792877A (en) | 2018-11-13 |
| CN106698140B (en) | 2019-03-01 |
| CN108545567A (en) | 2018-09-18 |
| CN106698140A (en) | 2017-05-24 |
| CN108792876A (en) | 2018-11-13 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181123 |
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| WW01 | Invention patent application withdrawn after publication |