CN106429706B - The electric life controller and method of anti-accidental movement - Google Patents
The electric life controller and method of anti-accidental movement Download PDFInfo
- Publication number
- CN106429706B CN106429706B CN201610850748.XA CN201610850748A CN106429706B CN 106429706 B CN106429706 B CN 106429706B CN 201610850748 A CN201610850748 A CN 201610850748A CN 106429706 B CN106429706 B CN 106429706B
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- Prior art keywords
- plane
- wirerope
- trigger member
- guide rail
- movable clip
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/22—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
Abstract
The invention discloses the electric life controllers and method of a kind of anti-accidental movement, comprising: at least a pair of of fixing clip, can relatively corresponding fixing clip moves back and forth and is located at least a movable clip block and the trigger member of wirerope or guide rail side, wherein the trigger member is by the triggering of the accidental movement of wirerope or guide rail, drive movable clip block towards wirerope or guide rail is clamped movement later.The present invention brakes and self-locking action when being in accidental movement situation, other situations are then in the unlocked state, is chronically at stress to avoid electric life controller, the high reliablity and service life is long, at low cost, easy to maintenance.
Description
Technical field
The present invention relates to the electric life controllers and method of a kind of anti-accidental movement.
Background technique
Along with the development of urban construction and the raising of people's quality of life, resident trip can enjoy good land
When Public Transport Service, also thirst for obtaining convenient and fast vertical transportation in house.Therefore, in recent years, the quantity of elevator rapidly increases
Long, national elevator ownership increases 300.93 ten thousand in 2013 from 28.5 ten thousand of 2003.Elevator is as a kind of spy
The different vehicles are the essential walking-replacing tools of common people's trip, bring unprecedented side to the daily life of the people
Just, the problem of safety of operation, reliability are many people's general concerns, residential lift quality directly affects old hundred
Surname quality of life, 2014, State General Administration for Quality Supervision carried out 2523 of drug in some provinces using 15 years or more old elevators
Selective examination, with the presence of the 7% larger security risk of elevator, and elevator safety accident increases also by the close of government and news media
Cut concern.Elevator is classified as the fourth-largest dangerous field of China by 2015 Nian8Yue16 State Council, is come before coal mine, and open immediately
Open up thorough examination of safety in production and comprehensive supervise and examine.Short less than in 3 months, China with elevator by CCTV media and state
The concentration care of business institute has gone up top news, and China's elevator safety of being impelled to speak is implicitly present in accident potential, to have to administer
Stage.And China is " carriage open the door ladder " in the major security risk existing for elevator and " carriage stall out of control is fallen
Or rush to summit ", and the reason of leading to these security risks, essentially consists in existing electric life controller, can not effectively realize lift car
Accidental movement protects (UCMP).Though there is the electric life controller of part manufacturer to be able to achieve UCMP function, need to be equipped with monitoring unit
And execution unit, and needing individually to carry out type approval test according to national Specification monitoring unit, monitoring unit also needs to be equipped with
Individual detection device, and must be matched with execution unit, this not only increases manufacture and the certification cost of product, also can not
Monitoring unit is allowed to be used alone, application range is relatively narrow.And if existing electric life controller be chronically at stress work when, be easy
Aging and work it is unreliable, influence product quality.
Thus it is necessary to propose the electric life controller and method of a kind of anti-accidental movement, thoroughly to solve the above problems.
Summary of the invention
Object of the present invention is to: the electric life controller and method of a kind of anti-accidental movement be provided, independence and versatile, just
In the transformation of old elevator, braking is carried out when being in accidental movement situation and self-locking action, other situations are then in
Unlocked state, the high reliablity and service life is long.
First technical solution of the invention is: a kind of electric life controller of anti-accidental movement, double to wirerope or guide rail
To braking comprising: at least a pair of of fixing clip can fix fixture block relatively and move back and forth and be located at wirerope or guide rail side
At least a movable clip block and trigger member, wherein the trigger member after the triggering of the accidental movement of wirerope or guide rail by driving
Movable clip block is clamped movement towards wirerope or guide rail.The trigger member is direct or indirect drive movable clip block movement.
Based on the above technical solution, it further includes the following affiliated technical solutions:
It further includes the friction plate being movably arranged on movable clip block, wherein the direction of motion of friction plate and wirerope or is led
The extending direction of rail is parallel.
The fixing clip in side is provided with the first inclined-plane and positioned at the second inclined-plane of a pair of the first inclined-plane two sides,
And the movable clip block is provided with to the third inclined-plane of the first inclined-plane cooperation in side and accordingly cooperates with corresponding second inclined-plane
The 4th inclined-plane of a pair, wherein the inclined direction on the inclined direction on first inclined-plane and the second inclined-plane is each other on the contrary, third is oblique
The inclined direction in face and the inclined direction on the 4th inclined-plane are opposite each other.
The trigger member is friction plate or pulley or sliding block or roller.
It further includes being located at the rack on the outside of fixing clip and the compressed spring between movable clip block and rack,
Wherein the both ends of the compressed spring are respectively equipped with shaft, and when movable clip block is with respect to gantry motion, compressed spring is acted in shaft
Lower corresponding swing.
It further includes the driving unit for driving trigger member to be contacted with wirerope or guide rail, and the driving unit is electromagnetism
Iron, electronic, hydraulic, pneumatic unit.
It further includes unlocking unit, wherein unlocking unit include connecting rope that one end is connected with trigger member or connecting rod,
One end be connected with connecting rope or the connecting rod other end and deflectable actuating lever and with actuating lever other end snap fit and right
The unlock rod that movable clip block and rack are locked or unlocked between the two.
The trigger member include can with the pulley of wirerope or guide rail abutting contact and setting pulley center and with even
The roller arm that splicing or connecting rod are connected, wherein the diameter of roller arm is less than the diameter of pulley.
Second technical solution of the invention is: a kind of elevator control method of anti-accidental movement comprising following steps:
S1: provide at least a pair of of fixing clip, can relatively corresponding fixing clip move back and forth and be located at wirerope or guide rail
At least a movable clip block and the trigger member of side；
S2: when initial, there are gaps for trigger member and wirerope or guide rail；
S3: when door-opened elevator, driving unit drives trigger member and wirerope or guide rail contact, as trigger member does not act
If until terminate, as trigger member generation movement if enter step S4；
S4: when the accidental movement of wirerope or guide rail, promote trigger member to act and enter step S5；
S5: movable clip block is driven to be clamped movement until entering step towards wirerope or guide rail after trigger member movement
S6；
S6: when releasing braking, step S2 is returned to.
Preferably, the trigger member is friction plate or pulley or sliding block or roller, and the fixing clip is arranged in side
There are the first inclined-plane and the second inclined-plane of a pair positioned at the first inclined-plane two sides, and the movable clip block is provided with and the in side
The third inclined-plane of one inclined-plane cooperation and the 4th inclined-plane of a pair accordingly cooperated with corresponding second inclined-plane, wherein described first is oblique
The inclined direction on the inclined direction in face and the second inclined-plane is each other on the contrary, the inclination side of the inclined direction on third inclined-plane and the 4th inclined-plane
To opposite each other.
The invention has the advantages that:
1, braking is carried out when being in accidental movement situation and self-locking action, other situations are then in unlock shape
State is chronically at stress to avoid electric life controller, the high reliablity and service life is long.
2, cooperate bi-directional braking and the realization to realize wirerope using the positive and negative lozenges of fixing clip and movable clip block
It is self-locking, to achieve the purpose that braking, Safe Failure is avoided, reduces the serious accident of casualties.
3, structure is simple, easy for installation, and engaged position is small, mountable by elevator(lift) machine room or traction machine, changes convenient for old ladder
It makes, solves the problems, such as that existing elevator does not have deadman's brake installation site.
4, independence and versatile, Mechanical Reliability height, without detection circuit, and do not need to carry out type approval test, at
This is low, easy to maintenance.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the perspective view of part-structure of the present invention.
Fig. 2 is action schematic diagram of the present invention in main element when working normally；
Fig. 3 is the action schematic diagram of main element when the present invention is in anti-accidental movement；
Fig. 4 is the present invention in top view when working normally；
Fig. 5 is the top view when present invention is in anti-accidental movement；
Fig. 6 is embodiment schematic diagram when friction plate is trigger member in the present invention；
Fig. 7 is another embodiment schematic diagram when friction plate is trigger member in the present invention.
Specific embodiment
Embodiment: as shown in Figs. 1-5, the present invention provides a kind of the first implementations of the electric life controller of anti-accidental movement
Example, to wirerope 2 or guide rail bi-directional braking, and include: at least a pair of of fixing clip 10, can relatively corresponding fixing clip 10 it is past
The multiple at least movable clip block 20 for moving and being located at wirerope 2 or guide rail side, is set the rack 1 on the outside of fixing clip 10
Set the inside of movable clip block 20 friction plate 30, can with the trigger member of wirerope 2 or guide rail abutting contact, be arranged in trigger member
Connecting rope 60 that the roller arm 50 of the heart, one end and roller arm 50 connect is connect and deflectable actuating with 60 other end of connecting rope
Bar 70 is locked or is unlocked between the two with 70 other end snap fit of actuating lever and in movable clip block 20 and rack 1
Unlock rod 80 and the compressed spring 90 between movable clip block 20 and rack 1.
Fixing clip 10 and the structure of movable clip block 20 can refer to the first patent application of the applicant, entitled " elevator
Brake apparatus and method ", and number of patent application is 201610397783.0, wherein fixing clip 10 is provided with first tiltedly in side
Face and the second inclined-plane of a pair positioned at the first inclined-plane two sides, movable clip block 20 are provided with and the first inclined-plane cooperation in side
Third inclined-plane and the 4th inclined-plane of a pair accordingly cooperated with corresponding second inclined-plane.The inclined direction on the first inclined-plane and second is tiltedly
The inclined direction in face is each other on the contrary, thus the inclined direction on the inclined direction on third inclined-plane and the 4th inclined-plane is each other on the contrary, fix
It is slidably matched by way of positive and negative lozenges between fixture block 10 and movable clip block 20, i.e., fixing clip 10 is provided with positive and negative
Lozenges, and movable clip block 20 is also correspondingly provided with positive and negative lozenges and is cooperated, in the present embodiment the first inclined-plane and the 4th
Inclined-plane is positive lozenges, wedge like protrusion, and the second inclined-plane and third inclined-plane are anti-lozenges, wedge like slot.Fixing clamp
Block 10 is additionally provided with transmission wheel 12 and accommodates the swinging chute 14 of compressed spring 90.
Friction plate 30 is integrated connection with movable clip block 20 or is flexibly connected.
Trigger member can be pulley or the structures such as sliding block or roller, can carry out with single or more wirerope against connecing
Touching, trigger member can be located at the internal or external of movable clip block 20.Trigger member include in the present embodiment can with wirerope 2 or lead
The pulley 40 of rail abutting contact and the roller arm 50 that 40 center of pulley is set and is connected with connecting rope 60, wherein roller arm
50 effect in the present embodiment is transmitting transmission ratio, and the diameter of roller arm is less than the diameter of pulley, and usually integral multiple is than coming
Torque is transmitted, mechanically to monitor the accidental movement situation of wirerope 2 or guide rail.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 greater than the diameter of pulley 40.It is to be appreciated that realize this
Goal of the invention can also replace connecting rope using connecting rod or other forms.Trigger member not only can be circular wheel, can also be with
For regular or irregular shape objects such as cam, arc shaped slider, convex sliding block or part arc rollers.
Actuating lever 70 include positioned at one end and be connected with connecting rope 60 connecting pin 72, positioned at the other end and with unlock rod 80
The buckle end 76 being clasped and the rotary shaft 74 between connecting pin 72 and buckle end 76.Unlock rod 80 and buckle end
76 are latched by step surface.The direction of motion of unlock rod 80 is mutually perpendicular to 70 place plane of actuating lever.Unlock rod 80 is in activity
Fixture block 20 and rack 1 carry out that compressed spring 90 is compressed or discharged between the two, are achieved in movable clip block 20 and rack 1
Between locking or unlock.Compressed spring 90 is preferably two, and unlock rod 80 is located at the centre of two compressed springs 90.Pressure
Contracting spring 90 can be swung up and down in the direction along wirerope 2, and fixing clip 10 be provided with allow compressed spring 90 pass through and
There is the swinging chute 14 of swing space.Since fixing clip 10 is to be fixedly connected with rack 1, unlock rod 80 also be can be set in activity
Between fixture block 20 and fixing clip 10.
As shown in Figure 2-5, when car door is opened, elevator can signal to driving unit 3,3 (i.e. rope brake of driving unit
Electromagnetic coil) power loss, and promote 3 output end driving pulley 40 of driving unit towards 2 abutting contact of wirerope, when wirerope 2 is sent out
When raw accidental movement, then band movable pulley 40 moves, and thus roller arm 50 is accordingly intertwined and connected rope 60, and connecting rope 60 passes through transmission wheel
Thus 12 shorten its length, and then the connecting pin 72 of actuating lever 70 is driven to occur to deflect counterclockwise around rotary shaft 74, and buckle
End 76 is then detached from and is clasped with unlock rod 80, and under the action of compressed spring 90 restores deformation, unlock rod 80 is pressed from both sides towards activity
Block 20 moves, and movable clip block 20 is then clamped movement towards wirerope 2 with movable friction plate 30.Movable clip block 20 is in frictional force
Under the action of synchronize away with wirerope 2, 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 third inclined-plane of movable clip block 20 is then gradually with the first inclined-plane of fixing clip 10 against cooperation, thus 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 wirerope 2
Gap it is smaller, frictional force is bigger, and Self-locking angle is generated between friction plate 30 and wirerope 2, realize it is self-locking, guarantee carriage peace
Full cut-off leans on, and also avoids so self-locking from starting just to generate in existing structure, it is desirable that spring dynamics is larger, and required electromagnetism
Iron power is larger.And when car door normal switching-off, elevator signals to driving unit 3, and driving unit 3 obtains electric, pulley 40
It is disengaged with wirerope 2, wirerope 2 restores normal operating condition, and carriage normally moves up and down.
As shown in fig. 6, the present invention provides a kind of second embodiments of the electric life controller of anti-accidental movement, to steel wire
Rope 2 or guide rail bi-directional braking, and include: at least a pair of of fixing clip 10, can relatively corresponding fixing clip 10 move back and forth and position
In wirerope 2 or at least a pair of of movable clip block 20 of guide rail two sides, the rack 1 positioned at 10 outside of fixing clip, movable setting
Friction plate 30, the solution that is locked or unlocked between the two in movable clip block 20 and rack 1 in the inside of movable clip block 20
Locking bar 80, the unlocking unit 82 unlocked by the mobile drive unlock rod 80 of friction plate 30 and it is located at movable clip block 20 and rack 1
Between compressed spring 90.Wherein unlock rod 80 has pin hole, and unlocking unit 82 has the pin with pin hole cooperation.It thus also can be real
Existing the object of the invention.
As shown in fig. 7, the present invention provides a kind of 3rd embodiments of the electric life controller of anti-accidental movement, to steel wire
Rope 2 or guide rail bi-directional braking, and include: fixing clip 100, can fix relatively fixture block 100 move back and forth and positioned at wirerope 2 or
One movable clip block 200 of guide rail side, movable the first friction plate 300 that the inside of movable clip block 200 is set, in movable clip block
200 and fixing clip 100 locked or unlocked between the two unlock rod 800, by the mobile band of the first friction plate 300
The unlocking unit 820 and the compressed spring between movable clip block 200 and fixing clip 10 that dynamic unlock rod 800 unlocks
900.Wherein unlock rod 800 has pin hole, and unlocking unit 820 has the pin with pin hole cooperation.Movable clip block 200 in the present embodiment
To be single, and fixing clip 100 is 2 and is located at the two sides of wirerope 2, wherein a fixing clip 100 and movable clip block 200 it
Between cooperated by lozenges, and another fixture block 100 then fixes the second friction plate 320, wherein the second friction plate 320 can be relatively another
The sliding of one fixture block 100, after movable clip block 200 is triggered, as wirerope 2 moves up and down, shifts wirerope 2 onto band first and rubs
Wirerope 2 is clamped with 300 collective effect of friction plate, similarly may be used by 200 side of movable clip block of pad 300, movable clip block 200
To monitor the accidental movement of wirerope by the second friction plate 320, and unlock rod 800 is driven to realize unlock, it thus also can be real
Existing the object of the invention.
For the present invention on the basis of first embodiment, also provide a kind of elevator control method of anti-accidental movement the 4th is real
Apply example comprising following steps:
S1: provide at least a pair of of fixing clip, can relatively corresponding fixing clip move back and forth and be located at wirerope or guide rail
At least a movable clip block and the trigger member of side；
S2: when initial, there are gaps for trigger member and wirerope or guide rail；
S3: when door-opened elevator, driving unit drives trigger member and wirerope or guide rail contact, as trigger member does not act
If until terminate, as trigger member generation movement if enter step S4；
S4: when the accidental movement of wirerope or guide rail, promote trigger member to act and enter step S5；
S5: movable clip block is driven to be clamped movement until entering step towards wirerope or guide rail after trigger member movement
S6；
S6: when releasing braking, step S2 is returned to.
By adopting the above technical scheme due to the present invention, it has the advantage that
1, for the present invention when opening the door leveling again, carriage accidental movement occur just allows braking and self-locking action, other situations
It is then in the unlocked state, stress is chronically to avoid electric life controller, the high reliablity and service life is long
2, cooperate bi-directional braking and the realization to realize wirerope using the positive and negative lozenges of fixing clip and movable clip block
It is self-locking, to achieve the purpose that braking, Safe Failure is avoided, reduces the serious accident of casualties.
3, structure is simple, easy for installation, and engaged position is small, mountable by elevator(lift) machine room or traction machine, changes convenient for old ladder
It makes, solves the problems, such as that existing elevator does not have deadman's brake installation site.
4, independence and versatile, Mechanical Reliability height, without detection circuit, and do not need to carry out type approval test, at
This is low, easy to maintenance.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique
People can understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all according to this hair
The equivalent transformation or modification that the Spirit Essence of bright main technical schemes is done, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of electric life controller of anti-accidental movement, to wirerope or guide rail bi-directional braking, it is characterised in that comprising: extremely
Few a pair of fixing clip, can fix relatively fixture block move back and forth and be located at wirerope or guide rail side an at least movable clip block,
Trigger member, the rack on the outside of fixing clip, compressed spring and unlocking unit between movable clip block and rack,
Wherein unlocking unit includes the connecting rope or connecting rod, one end and connecting rope or the connecting rod other end that one end is connected with trigger member
It is connected and deflectable actuating lever and is carried out between the two with actuating lever other end snap fit and in movable clip block and rack
The unlock rod for locking or unlocking, wherein the trigger member is by driving movable clip block court after the accidental movement triggering of wirerope
It is clamped movement to wirerope or guide rail, wherein the both ends of the compressed spring are respectively equipped with shaft, when movable clip block is with respect to machine
When frame moves, compressed spring is accordingly swung under shaft effect.
2. a kind of electric life controller of anti-accidental movement as described in claim 1, it is characterised in that further include being movably arranged on
Friction plate on movable clip block, wherein the direction of motion of friction plate is parallel with the extending direction of wirerope or guide rail.
3. a kind of electric life controller of anti-accidental movement as described in claim 1, it is characterised in that: the fixing clip is one
Side is provided with the first inclined-plane and the second inclined-plane of a pair positioned at the first inclined-plane two sides, and the movable clip block is arranged in side
There are the third inclined-plane cooperated to the first inclined-plane and the 4th inclined-plane of a pair accordingly cooperated with corresponding second inclined-plane, wherein described
The inclined direction on the inclined direction on the first inclined-plane and the second inclined-plane is each other on the contrary, the inclined direction on third inclined-plane and the 4th inclined-plane
Inclined direction is opposite each other.
4. a kind of electric life controller of anti-accidental movement as described in claims 1 or 2 or 3, it is characterised in that: the trigger member
For friction plate or pulley or sliding block or roller.
5. a kind of electric life controller of anti-accidental movement as claimed in claim 4, it is characterised in that further include driving trigger member
The driving unit contacted with wirerope or guide rail, the driving unit are electromagnet or electronic or hydraulic or pneumatic list
Member.
6. a kind of electric life controller of anti-accidental movement as claimed in claim 5, it is characterised in that: the trigger member includes can
With the pulley of wirerope or guide rail abutting contact and the pulley that pulley center is arranged in and is connected with connecting rope or connecting rod
Bar, wherein the diameter of roller arm is less than the diameter of pulley.
7. a kind of elevator control method of anti-accidental movement, it is characterised in that it includes the following steps:
S1: provide at least a pair of of fixing clip, can relatively corresponding fixing clip move back and forth and be located at wirerope or guide rail side
At least a movable clip block and trigger member；
S2: when initial, there are gaps for trigger member and wirerope or guide rail；
S3: when door-opened elevator, driving unit drives trigger member and wirerope or guide rail contact, if trigger member does not act
Until terminating, S4 is entered step if trigger member generation movement；
S4: when the accidental movement of wirerope, promote trigger member to act and enter step S5；
S5: movable clip block is driven to be clamped movement until entering step S6 towards wirerope or guide rail after trigger member movement；
S6: when releasing braking, step S2 is returned to.
8. elevator control method as claimed in claim 7, it is characterised in that: the trigger member is friction plate or pulley or slides
Block or roller, side is provided with the first inclined-plane to the fixing clip and a pair second positioned at the first inclined-plane two sides is oblique
Face, and the movable clip block side be provided with to the first inclined-plane cooperation third inclined-plane and with corresponding second inclined-plane it is corresponding
The 4th inclined-plane of a pair of cooperation, wherein the inclined direction on the inclined direction on first inclined-plane and the second inclined-plane is each other on the contrary,
The inclined direction on three inclined-planes and the inclined direction on the 4th inclined-plane are opposite each other.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 CN106429706A (en) | 2017-02-22 |
| CN106429706B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019260B (en) * | 2017-06-12 | 2020-09-18 | 上海三菱电梯有限公司 | Anti-shaking device for elevator |
| 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 |
| CN107500077B (en) * | 2017-08-21 | 2023-06-23 | 王治刚 | Compact rope clamping type elevator car accidental movement and upward overspeed protection device |
| CN112141968B (en) * | 2020-09-21 | 2022-04-15 | 熊细涛 | Portable full-automatic tower climbing device |
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| JP5345041B2 (en) * | 2009-11-18 | 2013-11-20 | 株式会社日立製作所 | Elevator braking device |
| CN103420247A (en) * | 2013-08-21 | 2013-12-04 | 上海微频莱机电科技有限公司 | Safety device about accidental movement of lift car |
| CN204251118U (en) * | 2014-11-03 | 2015-04-08 | 河北东方富达机械有限公司 | Wire holder |
| CN105253736A (en) * | 2015-11-27 | 2016-01-20 | 中联重科股份有限公司 | Elevator car accidental movement protection device and control method |
| CN105480812A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Power-losing trigger type steel wire rope brake and braking method thereof |
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- 2016-09-26 CN CN201610850748.XA patent/CN106429706B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5345041B2 (en) * | 2009-11-18 | 2013-11-20 | 株式会社日立製作所 | Elevator braking device |
| CN103420247A (en) * | 2013-08-21 | 2013-12-04 | 上海微频莱机电科技有限公司 | Safety device about accidental movement of lift car |
| CN204251118U (en) * | 2014-11-03 | 2015-04-08 | 河北东方富达机械有限公司 | Wire holder |
| CN105253736A (en) * | 2015-11-27 | 2016-01-20 | 中联重科股份有限公司 | Elevator car accidental movement protection device and control method |
| CN105480812A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Power-losing trigger type steel wire rope brake and braking method thereof |
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| Publication number | Publication date |
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| CN106429706A (en) | 2017-02-22 |
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