CN106429706A - Accidental movement preventing elevator controller and method thereof - Google Patents
Accidental movement preventing elevator controller and method thereof Download PDFInfo
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- CN106429706A CN106429706A CN201610850748.XA CN201610850748A CN106429706A CN 106429706 A CN106429706 A CN 106429706A CN 201610850748 A CN201610850748 A CN 201610850748A CN 106429706 A CN106429706 A CN 106429706A
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- plane
- steel wire
- guide rail
- wire rope
- trigger member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/22—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Elevator Door Apparatuses (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an accidental movement preventing elevator controller and a method thereof. The elevator controller comprises at least one pair of fixed clamp splices, at least one movable clamp splice and a triggering part, wherein each movable clamp splice can do reciprocating motion relative to the corresponding fixed clamp splice and is positioned at one side of a steel cable or a guide rail; and the triggering part is triggered by accidental movement of the steel cable or guide rail to drive each movable clamp splice to do clamping action towards the steel cable or the guide rail. The elevator controller disclosed by the invention can realize braking and self-locking actions when and only when at an accidental movement condition and is in an unlocking state at other conditions so that the elevator controller is prevented from being in a stress state for a long time; and the elevator controller disclosed by the invention is high in reliability, long in service life, low in cost and convenient to maintain.
Description
Technical field
The present invention relates to a kind of electric life controller of anti-accidental movement and method.
Background technology
Along with the development of urban construction, and the raising of people's quality of life, resident trip can enjoy good land
During Public Transport Service, also thirst for obtaining easily vertical transportation in house.Therefore, in recent years, the quantity of elevator rapidly increases
Long, national elevator recoverable amount was from 28.5 ten thousand increase 2013 300.93 ten thousand of 2003.Elevator is as a kind of special
The different vehicles are common people's requisite walking-replacing tools of trip, and the daily life giving people the people brings unprecedented side
Just, its run safety, reliability be a lot of people's general concern problem, residential lift quality, directly affect old hundred
Surname quality of life, 2014, State General Administration for Quality Supervision was carried out using 15 years and above old elevator to 2523 of drug in some provinces
Selective examination, the larger potential safety hazard of the elevator with the presence of 7%, and increasing of elevator safety accident is also subject to the close of government and news media
Cut concern.Elevator is classified as the fourth-largest dangerous neck of China by August in 2015 Vice Premier of the State Council, national Safety Committee director Ma Kai on the 16th
Domain, comes before colliery, and carries out thorough examination of safety in production and comprehensive supervise and examine immediately.Short less than in 3 months, China
Look after top news in the concentration being subject to CCTV's media and State Council with elevator it is impossible to Bu Shuo China elevator safety is implicitly present in thing
Therefore hidden danger, to not administering not all right stage.And China is that " car opens the door in the major security risk being existed with elevator
Ladder " and " car stall or out of control fall or rush to summit ", and essentially consist in existing elevator control the reason lead to these potential safety hazards
Device processed is it is impossible to effectively realize accidental movement of elevator cage protection (UCMP).Though the electric life controller having part manufacturer enables
UCMP function, but need to be equipped with monitoring unit and performance element, and need individually to carry out according to national Specification monitoring unit
Type approval test, monitoring unit also needs to be equipped with single detection means, and must support the use with performance element, and this not only increases
The manufacture of product and certification cost, also cannot allow monitoring unit be used alone, range of application is narrower.And existing electric life controller
If be chronically at stress work, easily aging and unreliable, the impact product quality that works.
Thus it is necessary to propose a kind of electric life controller of anti-accidental movement and method, thoroughly to solve the above problems.
Content of the invention
The present invention seeks to：There is provided a kind of electric life controller of anti-accidental movement and method, independence and highly versatile, just
In the transformation of old elevator, and if only if is braked and self-locking action when being in accidental movement situation, and other situations are then in
Released state, reliability height and life-span length.
First technical scheme of the present invention is：A kind of electric life controller of anti-accidental movement, it is double to steel wire rope or guide rail
To braking, it includes：At least one pair of fixing clip, fixture block can be relatively fixed move back and forth and be located at steel wire rope or guide rail side
At least one movable clip block and trigger member, wherein said trigger member is driven by after the accidental movement triggering of steel wire rope or guide rail
Movable clip block is clamped action towards steel wire rope or guide rail.Described trigger member is directly or indirectly to drive movable clip block motion.
On the basis of technique scheme, further include attached technical scheme as follows：
It also includes the friction plate being movably arranged on movable clip block, wherein the direction of motion of friction plate and steel wire rope or lead
The bearing of trend of rail is parallel.
A pair second inclined-planes that described fixing clip is provided with the first inclined-plane and is located at the first inclined-plane both sides in side,
And described movable clip block is provided with to the 3rd inclined-plane of the first inclined-plane cooperation in side and is accordingly coordinated with corresponding second inclined-plane
A pair the 4th inclined-planes, the incline direction on wherein said first inclined-plane is contrary each other with the incline direction on the second inclined-plane, and the 3rd is oblique
The incline direction in face is contrary each other with the incline direction on the 4th inclined-plane.
Described trigger member is friction plate or pulley or slide block or cylinder.
It also includes positioned at the frame outside fixing clip and positioned at the compression spring between movable clip block and frame,
Wherein this compression spring be respectively arranged at two ends with rotating shaft, when movable clip block is relative to gantry motion, compression spring rotating shaft act on
Lower corresponding swing.
It also includes the driver element driving trigger member to be contacted with steel wire rope or guide rail, and described driver element is electromagnetism
Ferrum, electronic, hydraulic pressure, pneumatic unit.
It also includes unlocking unit, wherein unlocking unit include connecting rope that one end is connected with trigger member or connecting rod,
One end is connected with connecting rope or the connecting rod other end and deflectable actuator lever and with actuator lever other end snap fit and right
The trip lever that movable clip block and frame are locked between the two or unlocked.
Described trigger member include can with the pulley of steel wire rope or guide rail abutting contact and be arranged on pulley center and with even
The roller arm that splicing or connecting rod are connected, the wherein diameter of roller arm are less than the diameter of pulley.
Second technical scheme of the present invention is：A kind of elevator control method of anti-accidental movement, it comprises the steps：
S1：At least one pair of fixing clip is provided, relatively corresponding fixing clip can move back and forth and be located at steel wire rope or guide rail
At least one movable clip block of side and trigger member；
S2：When initial, there is gap with steel wire rope or guide rail in trigger member；
S3：During door-opened elevator, driver element orders about trigger member and steel wire rope or guide rail contact, and such as trigger member does not occur action
If until terminating, such as trigger member generation action then enters step S4；
S4：When the accidental movement of steel wire rope or guide rail, promote trigger member action and enter step S5；
S5：Movable clip block is driven to be clamped action towards steel wire rope or guide rail until entering step after trigger member action
S6；
S6：When releasing braking, return to step S2.
Preferably, described trigger member is friction plate or pulley or slide block or cylinder, and described fixing clip is arranged in side
A pair second inclined-planes having the first inclined-plane and being located at the first inclined-plane both sides, and described movable clip block is provided with and the in side
3rd inclined-plane of one inclined-plane cooperation and a pair the 4th inclined-planes of cooperation corresponding with corresponding second inclined-plane, wherein said first is oblique
The incline direction in face is contrary each other with the incline direction on the second inclined-plane, the incline direction on the 3rd inclined-plane and the inclination side on the 4th inclined-plane
To contrary each other.
The method have the advantages that：
1st, and if only if is braked and self-locking action when being in accidental movement situation, and other situations are then in unblock shape
State, to avoid electric life controller to be chronically at stress, reliability height and life-span length.
2nd, coordinate to realize the bi-directional braking of steel wire rope and realization using the positive and negative lozenges of fixing clip and movable clip block
Self-locking, to reach the purpose of braking, it is to avoid Safe Failure, reduces the serious accident of casualties.
3rd, structure is simple, and easy for installation, engaged position is little, may be installed by elevator(lift) machine room or traction machine, is easy to old ladder and changes
Make, solving existing elevator does not have a difficult problem for deadman's brake installation site.
4th, independence and highly versatile, Mechanical Reliability is high, without testing circuit, and does not need to carry out type approval test, becomes
This is low, easy to maintenance.
Brief description
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is the axonometric chart of part-structure of the present invention.
Fig. 2 is the action schematic diagram that the present invention is in main element during normal work；
Fig. 3 is the action schematic diagram that the present invention is in main element during anti-accidental movement；
Fig. 4 is that the present invention is in top view during normal work；
Fig. 5 is that the present invention is in top view during anti-accidental movement；
Fig. 6 is the embodiment schematic diagram that in the present invention, friction plate is during trigger member；
Fig. 7 is another embodiment schematic diagram that in the present invention, friction plate is during trigger member.
Specific embodiment
Embodiment：As Figure 1-5, the invention provides the first of a kind of electric life controller of anti-accidental movement implements
Example, it is to steel wire rope 2 or guide rail bi-directional braking, and includes：At least one pair of fixing clip 10, can relatively corresponding fixing clip 10 past
Move and be located at least one movable clip block 20 of steel wire rope 2 or guide rail side again, be located at the frame 1 in fixing clip 10 outside, set
Put the friction plate 30 in movable clip block 20 inner side, can with the trigger member of steel wire rope 2 or guide rail abutting contact, be arranged in trigger member
The connecting rope 60 that the roller arm 50 of the heart, one end are connected with roller arm 50 is connected and deflectable actuating with connecting rope 60 other end
Bar 70 is locked between the two with actuator lever 70 other end snap fit and in movable clip block 20 and frame 1 or is unlocked
Trip lever 80 and be located at compression spring 90 between movable clip block 20 and frame 1.
The structure of fixing clip 10 and movable clip block 20 refers to the formerly patent application of the applicant, entitled " elevator
Brake unit and method ", and number of patent application is 201610397783.0, wherein that side is provided with first is oblique for fixing clip 10
Face and a pair second inclined-planes being located at the first inclined-plane both sides, movable clip block 20 is provided with and the first inclined-plane cooperation in side
3rd inclined-plane and a pair the 4th inclined-planes of cooperation corresponding with corresponding second inclined-plane.The incline direction on the first inclined-plane is oblique with second
The incline direction in face is contrary each other, and the incline direction on the 3rd inclined-plane is contrary each other with the incline direction on the 4th inclined-plane, thus fixes
Be slidably matched by the form of positive and negative lozenges between fixture block 10 and movable clip block 20, that is, fixing clip 10 be provided with positive and negative
Lozenges, and movable clip block 20 is also correspondingly provided with positive and negative lozenges and is coordinated, the first inclined-plane and the 4th in the present embodiment
Inclined-plane is positive lozenges, wedge like protuberance, and the second inclined-plane and the 3rd inclined-plane are anti-lozenges, wedge like groove.Fixation clamp
The swinging chute 14 that block 10 is additionally provided with transmission wheel 12 and houses compression spring 90.
Friction plate 30 is integrated with movable clip block 20 and is connected or is flexibly connected.
Trigger member can be the structure such as pulley or slide block or cylinder, can carry out against connecing with single or many steel wire rope
Touch, trigger member may be located at the internal or external of movable clip block 20.Trigger member includes in the present embodiment can be with steel wire rope 2 or lead
The pulley 40 of rail abutting contact and be arranged on pulley 40 center and the roller arm 50 being connected with connecting rope 60, wherein roller arm
50 in the present embodiment act as transmit gear ratio, the diameter of roller arm is less than the diameter of pulley, and typically integral multiple is than coming
Transmission moment, monitors the accidental movement situation of steel wire rope 2 or guide rail with mechanical type.Connecting rope 60 can be wrapped in by roller arm 50
Thereon, to shorten the length of connecting rope 60.The length of roller arm 50 is more than the diameter of pulley 40.It is to be appreciated that for realizing this
Goal of the invention, it would however also be possible to employ connecting rod or other forms are replacing connecting rope.Trigger member not only can for circular wheel it is also possible to
For regular or irregular shape objects such as cam, arc shaped slider, convex slide block or part arc cylinders.
Connection end 72 that actuator lever 70 includes being connected positioned at one end and with connecting rope 60, be located at the other end and with trip lever 80
The buckle end 76 that is clasped and be located at the rotary shaft 74 between connection end 72 and buckle end 76.Trip lever 80 and buckle end
76 are latched by step surface.The direction of motion of trip lever 80 is mutually perpendicular to actuator lever 70 place plane.Trip lever 80 is in activity
Fixture block 20 and frame 1 carry out compression spring 90 being compressed or discharging between the two, are achieved in movable clip block 20 and frame 1
Between locking or unlock.Compression spring 90 is preferably two, and trip lever 80 is located at the centre of two compression springs 90.Pressure
Contracting spring 90 can swinging up and down along the direction of steel wire rope 2, and fixing clip 10 be provided with permission compression spring 90 pass through and
There is the swinging chute 14 of swing space.Because fixing clip 10 and frame 1 are to be fixedly connected, trip lever 80 can also be arranged on activity
Between fixture block 20 and fixing clip 10.
As shown in Figure 2-5, when car door is opened, elevator can signal to driver element 3, driver element 3 (i.e. rope brake
Solenoid) dead electricity, and promote driver element 3 outfan driving pulley 40 towards steel wire rope 2 abutting contact, when 2, steel wire rope
During raw accidental movement, then band movable pulley 40 moves, and is accordingly intertwined and connected rope 60 by this roller arm 50, and connecting rope 60 passes through transmission wheel
12 thus shorten its length, and then drive the connection end 72 of actuator lever 70 to occur to deflect counterclockwise around rotary shaft 74, and buckle
Then disengaging is clasped with trip lever 80 at end 76, and in the presence of compression spring 90 recovers deformation, trip lever 80 is towards activity folder
Block 20 moves, and movable clip block 20 then carries movable friction plate 30 to be clamped action towards steel wire rope 2.Movable clip block 20 is in frictional force
In the presence of with steel wire rope 2 synchronous walk, the 4th inclined-plane of movable clip block 20 and the second inclined-plane of fixing clip 10 are gradually distance from
Cooperation, and the 3rd inclined-plane of movable clip block 20 then gradually with the first inclined-plane of fixing clip 10 against cooperation, by this movable clip block
20 and fixing clip 10 there is interval in the horizontal direction, and movable clip block 20 more up moves, between friction plate 30 and steel wire rope 2
Gap less, frictional force is bigger, and between friction plate 30 and steel wire rope 2 produce Self-locking angle, realize self-locking it is ensured that car peace
Full cut-off leans on, and so also avoids just producing self-locking it is desirable to spring dynamics is larger from beginning in existing structure, and required electromagnetism
Ferrum power is larger.And when car door normal switching-off, elevator signals to driver element 3, driver element 3 obtains electric, pulley 40
Disengage with steel wire rope 2, steel wire rope 2 recovers normal operating condition, car normally moves up and down.
As shown in fig. 6, the invention provides a kind of second embodiment of the electric life controller of anti-accidental movement, it is to steel wire
Rope 2 or guide rail bi-directional braking, and include：At least one pair of fixing clip 10, can relatively corresponding fixing clip 10 move back and forth and position
In at least one pair of movable clip blocks 20 of steel wire rope 2 or guide rail both sides, the frame 1 being located at fixing clip 10 outside, movable setting
Friction plate 30, the solution being locked between the two or being unlocked in movable clip block 20 and frame 1 in movable clip block 20 inner side
Locking bar 80, the unlocking unit 82 being unlocked by the mobile drive trip lever 80 of friction plate 30 and be located at movable clip block 20 and frame 1
Between compression spring 90.Wherein trip lever 80 has pin-and-hole, and unlocking unit 82 has the pin with pin-and-hole cooperation.Thus also can be real
Existing the object of the invention.
As shown in fig. 7, the invention provides a kind of 3rd embodiment of the electric life controller of anti-accidental movement, it is to steel wire
Rope 2 or guide rail bi-directional braking, and include：Fixing clip 100, can be relatively fixed fixture block 100 move back and forth and be located at steel wire rope 2 or
One movable clip block 200 of guide rail side, movable it is arranged on the first friction plate 300 of movable clip block 200 inner side, in movable clip block
200 and fixing clip 100 locked between the two or unlocked trip lever 800, by the first friction plate 300 mobile band
The unlocking unit 820 of dynamic trip lever 800 unblock and be located at the compression spring between movable clip block 200 and fixing clip 10
900.Wherein trip lever 800 has pin-and-hole, and unlocking unit 820 has the pin with pin-and-hole cooperation.Movable clip block 200 in the present embodiment
For single, and fixing clip 100 is 2 and is located at the both sides of steel wire rope 2, wherein one fixing clip 100 and movable clip block 200 it
Between coordinated by lozenges, and the second friction plate 320 then fixed by another fixture block 100, and the wherein second friction plate 320 can be relatively another
One fixture block 100 slides, and after movable clip block 200 is triggered, moves up and down with steel wire rope 2, steel wire rope 2 is shifted onto band first and rubs
Movable clip block 200 side of pad 300, steel wire rope 2 is clamped with friction plate 300 collective effect, also may be used in the same manner by movable clip block 200
To monitor the accidental movement of steel wire rope by the second friction plate 320, and trip lever 800 is driven to realize unblock, thus also can be real
Existing the object of the invention.
The present invention, on the basis of first embodiment, also provides a kind of the 4th reality of elevator control method of anti-accidental movement
Apply example, it comprises the steps：
S1：At least one pair of fixing clip is provided, relatively corresponding fixing clip can move back and forth and be located at steel wire rope or guide rail
At least one movable clip block of side and trigger member；
S2：When initial, there is gap with steel wire rope or guide rail in trigger member；
S3：During door-opened elevator, driver element orders about trigger member and steel wire rope or guide rail contact, and such as trigger member does not occur action
If until terminating, such as trigger member generation action then enters step S4；
S4：When the accidental movement of steel wire rope or guide rail, promote trigger member action and enter step S5；
S5：Movable clip block is driven to be clamped action towards steel wire rope or guide rail until entering step after trigger member action
S6；
S6：When releasing braking, return to step S2.
Because the present invention adopts technique scheme, there is advantages below：
1st, when opening the door flat bed again, car accidental movement and just allows braking and self-locking action, other situations in the present invention
Then it is in released state, to avoid electric life controller to be chronically at stress, reliability height and life-span length
2nd, coordinate to realize the bi-directional braking of steel wire rope and realization using the positive and negative lozenges of fixing clip and movable clip block
Self-locking, to reach the purpose of braking, it is to avoid Safe Failure, reduces the serious accident of casualties.
3rd, structure is simple, and easy for installation, engaged position is little, may be installed by elevator(lift) machine room or traction machine, is easy to old ladder and changes
Make, solving existing elevator does not have a difficult problem for deadman's brake installation site.
4th, independence and highly versatile, Mechanical Reliability is high, without testing circuit, and does not need to carry out type approval test, becomes
This is low, easy to maintenance.
Certainly above-described embodiment only technology design to illustrate the invention and feature, its object is to allow and is familiar with technique
People will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.All according to this
Equivalent transformation or modification that the spirit of bright main technical schemes is done, all should be included within the scope of the present invention.
Claims (10)
1. a kind of electric life controller of anti-accidental movement, it is to steel wire rope or guide rail bi-directional braking it is characterised in that it includes：Extremely
Few a pair of fixing clip, can be relatively fixed fixture block move back and forth and be located at steel wire rope or guide rail side at least one movable clip block,
And trigger member, wherein said trigger member is by drive movable clip block after the accidental movement triggering of steel wire rope or guide rail towards steel wire
Rope or guide rail are clamped action.
2. as claimed in claim 1 a kind of electric life controller of anti-accidental movement it is characterised in that also including being movably arranged on
The direction of motion of the friction plate on movable clip block, wherein friction plate is paralleled with the bearing of trend of steel wire rope or guide rail.
3. as claimed in claim 1 a kind of electric life controller of anti-accidental movement it is characterised in that：Described fixing clip is one
A pair second inclined-planes that side is provided with the first inclined-plane and is located at the first inclined-plane both sides, and described movable clip block is arranged in side
There are the 3rd inclined-plane to the first inclined-plane cooperation and a pair fourth inclined-planes coordinating corresponding with corresponding second inclined-plane, wherein said
The incline direction on the first inclined-plane is contrary each other with the incline direction on the second inclined-plane, the incline direction on the 3rd inclined-plane and the 4th inclined-plane
Incline direction is contrary each other.
4. a kind of anti-accidental movement as described in claim 1 or 2 or 3 electric life controller it is characterised in that：Described trigger member
For friction plate or pulley or slide block or cylinder.
5. as claimed in claim 4 a kind of electric life controller of anti-accidental movement it is characterised in that also including positioned at fixation clamp
Frame outside block and be located at compression spring between movable clip block and frame, the two ends of wherein this compression spring set respectively
There is rotating shaft, when movable clip block is relative to gantry motion, compression spring accordingly swings under rotating shaft effect.
6. as claimed in claim 5 a kind of electric life controller of anti-accidental movement it is characterised in that also include drive trigger member
The driver element being contacted with steel wire rope or guide rail, described driver element is electric magnet, electronic, hydraulic pressure, pneumatic unit.
7. as claimed in claim 6 a kind of electric life controller of anti-accidental movement it is characterised in that also including unlocking unit, its
Middle unlocking unit includes connecting rope or connecting rod, one end and connecting rope or the connecting rod other end phase that one end is connected with trigger member
Even and deflectable actuator lever and being locked between the two with actuator lever other end snap fit and in movable clip block and frame
Trip lever that is fixed or unlocking.
8. as claimed in claim 7 a kind of electric life controller of anti-accidental movement it is characterised in that：Described trigger member includes can
With the pulley of steel wire rope or guide rail abutting contact and be arranged on pulley center and the pulley being connected with connecting rope or connecting rod
The diameter of bar, wherein roller arm is less than the diameter of pulley.
9. a kind of elevator control method of anti-accidental movement is it is characterised in that it comprises the steps：
S1：At least one pair of fixing clip is provided, relatively corresponding fixing clip can move back and forth and be located at steel wire rope or guide rail side
At least one movable clip block and trigger member；
S2：When initial, there is gap with steel wire rope or guide rail in trigger member；
S3：During door-opened elevator, driver element orders about trigger member and steel wire rope or guide rail contact, if such as trigger member does not occur action
Until terminating, such as trigger member generation action then enters step S4；
S4：When the accidental movement of steel wire rope or guide rail, promote trigger member action and enter step S5；
S5：Movable clip block is driven to be clamped action towards steel wire rope or guide rail until entering step S6 after trigger member action；
S6：When releasing braking, return to step S2.
10. elevator control method as claimed in claim 9 it is characterised in that：Described trigger member be friction plate or pulley or
Slide block or cylinder, described fixing clip side be provided with the first inclined-plane and be located at a pair of the first inclined-plane both sides second oblique
Face, and described movable clip block is provided with the 3rd inclined-plane and corresponding with corresponding second inclined-plane to the first inclined-plane cooperation in side
A pair the 4th inclined-planes of cooperation, the incline direction on wherein said first inclined-plane is contrary each other with the incline direction on the second inclined-plane, the
The incline direction on three inclined-planes is contrary each other with the incline direction on the 4th inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610850748.XA CN106429706B (en) | 2016-09-26 | 2016-09-26 | The electric life controller and method of anti-accidental movement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850748.XA CN106429706B (en) | 2016-09-26 | 2016-09-26 | The electric life controller and method of anti-accidental movement |
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| CN106429706A true CN106429706A (en) | 2017-02-22 |
| CN106429706B CN106429706B (en) | 2019-02-26 |
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| CN201610850748.XA Active CN106429706B (en) | 2016-09-26 | 2016-09-26 | The electric life controller and method of anti-accidental movement |
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| CN107500077A (en) * | 2017-08-21 | 2017-12-22 | 王治刚 | Compact clamping-rope type accidental movement of elevator cage and protection device for over-speed ascending |
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| CN109019260A (en) * | 2017-06-12 | 2018-12-18 | 上海三菱电梯有限公司 | Elevator antichattering system |
| CN109019260B (en) * | 2017-06-12 | 2020-09-18 | 上海三菱电梯有限公司 | Anti-shaking device for elevator |
| CN107082335A (en) * | 2017-06-29 | 2017-08-22 | 徐州德坤电气科技有限公司 | A kind of elevator lifting security protection system |
| CN107082335B (en) * | 2017-06-29 | 2023-01-31 | 徐州德坤电气科技有限公司 | Elevator lift safety protection system |
| CN107500077A (en) * | 2017-08-21 | 2017-12-22 | 王治刚 | Compact clamping-rope type accidental movement of elevator cage and protection device for over-speed ascending |
| CN112141968A (en) * | 2020-09-21 | 2020-12-29 | 熊细涛 | Portable full-automatic tower climbing device |
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| CN106429706B (en) | 2019-02-26 |
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