CN207861655U - A kind of triggering equipment of compensating rope of elevator anti-bouncing device - Google Patents
A kind of triggering equipment of compensating rope of elevator anti-bouncing device Download PDFInfo
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- CN207861655U CN207861655U CN201721554168.2U CN201721554168U CN207861655U CN 207861655 U CN207861655 U CN 207861655U CN 201721554168 U CN201721554168 U CN 201721554168U CN 207861655 U CN207861655 U CN 207861655U
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- fixed seat
- bouncing device
- fixed
- jump
- compensating rope
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Abstract
The utility model belongs to elevators field, and in particular to a kind of triggering equipment of compensating rope of elevator anti-bouncing device.Fixed frame component including guider, on guider, the tensioner wheel assembly in fixed frame component, it is characterised in that：The guider includes the guide rail for being located in fixed frame component both sides, and the fixed frame component includes being located in the fixed plate that can be moved up and down between two guide rails and along the guide rail, and anti-bouncing device is equipped in the middle part of the fixed plate.The application is the safety tongs in fixed plate, its trigger device is realized by increasing the balance system that balancing spring is constituted between link assembly and permanent magnetic chuck, when the inertia force generated when tensioning apparatus bounces upwards is applied to the balance system, balancing spring is compressed, the suction that permanent magnetic chuck generates can overcome the elastic force of balancing spring, and connecting rod is made to move down, and then trigger safety tongs action, the step-by-step brake for realizing tensioning apparatus, limits the upward spring of car.
Description
Technical field
The invention belongs to elevators fields, and in particular to a kind of anti-jump triggering equipment of compensating rope of elevator.
Background technology
Current compensation rope tensioning anti-pumping device needs the elongation of frequently adjustment steel wire rope, anti-to ensure to compensate rope tensioning
The validity for jumping device action is easy for generating the possibility of anti-bouncing device failure, and then elevator is made to transport if still maintenance is not in time
Capable presence is rushed to summit or the risk of pier bottom；Some compensation rope tensioning apparatus tightly use spring or hydraulic cylinder to realize that compensation rope tensioning is anti-jump
Function does not carry out effective protection to these failure of apparatus, and manufactures high with maintenance cost.
Invention content
The purpose of the present invention is provide a kind of be suitable for the elevator for compensating rope tensioning anti-pumping device regarding to the issue above
The anti-jump triggering equipment of compensating rope of elevator.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of anti-jump triggering equipment of compensating rope of elevator, including guider, the fixed frame component on guider, set
In the tensioner wheel assembly in fixed frame component, it is characterised in that：The guider includes being located in the fixed frame component two
The guide rail of side, the fixed frame component include being located in the fixed seat that can be moved up and down between two guide rails and along the guide rail,
Be equipped with anti-bouncing device in the middle part of the fixed seat, the anti-bouncing device include on the side plate of the fixed seat both sides and with
The safety tongs of guide rail cooperation, be connected between the active clamp block of two safety tongs for control safe clamp brake connecting rod,
Brake bar that upper end is sheathed on the connecting rod, is sheathed on the brake bar at the anti-jump pedestal being connected in the fixed seat
Balancing spring and it is fixedly arranged on the permanent magnetic chuck in the anti-jump fixed seat and being sheathed on the brake bar, under the brake bar
Portion is arranged in the anti-jump fixed seat, top is equipped with the regulating part coordinated with the permanent magnetic chuck, institute's side plate upper edge gravity direction
Offer the word through-hole for being pierced by the connecting rod.
Above-mentioned word through-hole is equivalent to the sliding sliding groove structure for making connecting rod pass through and being oriented to.
Preferably, the brake bar includes superposed eyelet bolt and the screw rod positioned at lower part, the regulating part
To be connected to adjusting screwed pipe and the wing nut between the eyelet bolt and screw rod, the balancing spring is set to the adjusting spiral shell
Between pipe and anti-jump fixed seat, the permanent magnetic chuck is set to the anti-jump fixed seat bottom, and the screw rod bottom end is equipped with anticreep spiral shell
It is female.
Preferably, the balancing spring is non-magnetic spring, the brake bar is non-magnetic brake bar.
The application increase between the safety tongs and permanent magnetic chuck set on fixed seat balancing spring constitute balance system, when
When the inertia force generated when tight device acceleration or deceleration action is applied to the balance system, the suction that permanent magnetic chuck generates just makes to put down
Weigh spring-compressed, and then triggers safety tongs action, realizes the step-by-step brake of tensioning apparatus, and then make the steady stop of car.Such as
When car starts, when moment accelerates upwards, there are one upward inertia force in fixed seat, are fixedly arranged in fixed seat to drive
Equally there are one upward inertia force for fixed clamp block, anti-jump fixed seat, since brake bar, connecting rod, activity clamp block are to pass through balance
Spring floating is set in anti-jump fixed seat, so that when anti-jump fixed seat is because of upward inertia force moment rising, balancing spring
It is compressed, the relatively anti-jump fixed seat of brake bar is walked downwards, while permanent magnetic chuck furthers with screwed pipe distance is adjusted, and increases the two
Between suction, further so that the relatively anti-jump fixed seat of connecting rod drive activity clamp block, fixed clamp block and fixed seat move downward, from
And so that activity clamp block carries out braking with fixed clamp block relative motion and clamps track, grips pincers clamp guide rail, and then are fixed to punching
The upward inertia force of seat.And permanent magnetic chuck and adjusting screwed pipe are bigger closer to suction, ensure that step-by-step brake preferably brakes
Effect.
The butterfly side of wing nut can be used for the top against balancing spring, ensureing the stability of balancing spring.
Preferably, the active clamp block bottom is fixed with the lifting arm extended downwardly, it is bolted on the lifting arm straight
Comer pieces, the connecting rod two end are arranged in the straight comer pieces, and verification switch fixed seat is installed in the fixed seat, described straight curved
The verification switch bracket with the verification switch fixed seat cooperation is fixed on part or lifting piece.
The anti-of setting is reached when verifying switch bracket and verification switch fixed seat contact and jumps off the limit, and verification is opened
Pass is actuated for forcing stop, also alert to prevent each parts damages to play the role of dual fail-safe.
Preferably, connecting rod two end is located at straight comer pieces is bolted with spigot nut, the guiding close to the side at connecting rod center
The auxiliary guide plate that can be posted by the lateral surface of the side plate is installed on nut, the anti-jump fixed seat includes integrally connected
Horizontal straight panel and vertical straight panel, respectively correspondingly offer in the vertical straight panel and the side plate vertically arranged and horizontal set
The word hole set, and the vertical straight panel and side plate are adjustably connected by the bolt being arranged on word hole.
The setting of above structure mode can be achieved brake bar and set whole on direction in the horizontal and vertical direction, be conducive to brake bar pair
The containing stress equalization of connecting rod.Pass through the locked connection of bolt between the anti-jump fixed seat adjusted and side plate.The fixation of safety tongs
Clamp block coordinates with guide rail, and auxiliary guide plate coordinates with side plate again, and to ensure that entire anti-bouncing device is not easy to deflect, stability is good,
It permanently effective can use, service life is long.
Preferably, the active clamp block includes coordinating for clamping down on the pincers frame of guide rail, setting with the fixation clamp block of safety tongs
Braking between pincers frame and the braking inclined-plane of fixed clamp block is rolled, and the lifting arm is upwardly extended to be connected with braking rolling.
It is connected with pincers frame preferably, the braking is rolled, the billowing face of braking is opposite with the braking inclined-plane, the lifting arm
Upper end is fixed on braking rolling middle part.
Preferably, the pincers frame includes the orthogonal frame with the damper frame wall of guide rail cooperation and positioned at outside
Seat wall, is laterally provided with the strip-shaped hole of the open at one end far from skeleton frame wall on the damper frame wall, and the strip-shaped hole is by damper frame wall
It is divided into the multistage frame wall section from top to bottom arranged successively.
Preferably, the arm connecting plate that the lifting arm bottom end oriented braking inclined-plane side of vertical connection extends, described straight
Bent plate includes positioned at the top connecting plate being spirally connected with arm connecting plate overlapping at top and extension is used for backwards to arm connecting plate side
Be spirally connected the bar connecting plate of the interlinking lever end.
Above-mentioned safety tongs is simple in structure, stress equalization, and stability is good.And one or more strip-shaped hole settings are partitioned into multistage
Frame wall section, it is ensured that contacted with multi-point between damper frame wall and guide rail, it is ensured that clamping effect.
Preferably, being connected with reinforcement connector between two rail crowns, the reinforcement connector bottom is fixed
There is bumper.
The guider structural stability of the application is strong, and the setting of bumper is to the directive wheel etc. of fixed frame and its inside
It plays a very good protection when structure is under extreme condition, is scrapped in order to avoid being damaged under extreme condition.I.e. for the device
Failure risk increases damping device to realize secondary protection.
In conclusion the invention has the advantages that：
1, the application increases balancing spring composition balance system between the safety tongs and permanent magnetic chuck set on fixed seat, when
When the inertia force that tensioning apparatus acceleration or deceleration generates when acting is applied to the balance system, the suction that permanent magnetic chuck generates just makes
Balancing spring compresses, and then triggers safety tongs action, realizes the step-by-step brake of tensioning apparatus, and then make the steady stop of car.
Car is beated upwards, and moment accelerates upwards, and the compensation rope band being connect with car moves fixed seat, related in fixed seat to have
One upward inertia force is fixedly arranged on fixation clamp block in fixed seat, anti-jump fixed seat equally there are one upward to drive
Inertia force；Since brake bar, connecting rod, activity clamp block are to float to be set in anti-jump fixed seat by balancing spring, normal operation
When keep equilibrium state, when anti-jump fixed seat rises because of upward inertia force moment, because activity clamp block cannot timely respond to wink
Between rising, so that balancing spring is compressed, and permanent magnetic chuck suction keep balancing spring compressive state, then brake bar relative to
Anti-jump fixed seat is walked downwards, and the relatively anti-jump fixed seat of connecting rod drive activity clamp block, fixed clamp block and fixed seat move downward so that
Activity clamp block clamps guide rail in turn with fixed clamp block relative motion, prevents to jump on tensioning apparatus, prevents car from rushing to summit.In addition this is touched
Transmitting apparatus floats in normal operation with tensioning apparatus, and the inertia force that acceleration generates is jumped only on tensioning apparatus and overcomes this flat
Anti-bouncing device could be triggered when balance system, thus can effectively avoid the fixed anti-jump triggering dress caused by steel wire rope extends
The failure risk set.And permanent magnetic chuck and to adjust screwed pipe bigger closer to suction, it ensure that step-by-step brake preferably brakes effect
Fruit.
2, the application is simple in structure, at low cost, and the principle of safety tongs has dexterously been attached on anti-bouncing device, plays double
Insure anti-jump effect, safety higher, elevator stability in use is more preferably, more comfortably.
3, such principle presents a kind of new safety tongs triggering method.The device is fixed on compensation rope tensioning apparatus,
Elongation is compensated automatically with the elongation of compensation rope, the validity of anti-bouncing device is kept in real time, when elongation reaches capacity position
When, safety switch（That is verification switch）Action, elevator are shut down, and need the elongation for readjusting steel wire rope that can just restart elevator.
Description of the drawings
Fig. 1 is the application structural schematic diagram；
Fig. 2 is anti-bouncing device structural schematic diagram one；
Fig. 3 is anti-bouncing device mounting structure schematic diagram；
Fig. 4 is anti-bouncing device structural schematic diagram two；
Fig. 5 is brake bar structural schematic diagram；
Fig. 6 is the application anti-bouncing device structural representation three.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Embodiment one：
A kind of anti-jump triggering equipment of compensating rope of elevator, including guider 7, the fixed frame component 1 on guider,
Tensioner wheel assembly 2 in fixed frame component, it is characterised in that：The guider includes being located in the fixed frame component
The guide rail 701 of both sides, the fixed frame component include being located between two guide rails and can consolidating along what the guide rail moved up and down
Reservation, the fixed seat middle part are equipped with anti-bouncing device, and the anti-bouncing device includes to the side plate set on the fixed seat both sides
On 11 and with the safety tongs of guide rail cooperation, be connected between the active clamp block 41 of two safety tongs and clamped down on for controlling safety
Dynamic connecting rod 6, the anti-jump pedestal 31 being connected in the fixed seat, is sheathed on the brake bar that upper end is sheathed on the connecting rod
The permanent magnetism that the balancing spring 32 of the brake bar and being fixedly arranged in the anti-jump fixed seat and is sheathed on the brake bar is inhaled
Disk 33, the brake bar lower part is arranged in the anti-jump fixed seat, top is equipped with the regulating part 34 coordinated with the permanent magnetic chuck,
Institute's side plate upper edge gravity direction offers the word through-hole 12 for being pierced by the connecting rod.
Above-mentioned word through-hole is equivalent to the sliding sliding groove structure for making connecting rod pass through and being oriented to.
The brake bar includes superposed eyelet bolt 51 and the screw rod 52 positioned at lower part, and the regulating part is connection
Adjusting screwed pipe 53 between the eyelet bolt and screw rod and wing nut 54, the balancing spring are set to the adjusting screwed pipe
Between anti-jump fixed seat, the permanent magnetic chuck is set to the anti-jump fixed seat bottom, and the screw rod bottom end is equipped with screwed retaining ring.
The balancing spring is non-magnetic spring, and the brake bar is non-magnetic brake bar.
The butterfly side of wing nut can be used for the top against balancing spring, ensureing the stability of balancing spring.
The active clamp block bottom is fixed with the lifting arm 411 extended downwardly, and straight comer pieces is bolted on the lifting arm
412, the connecting rod two end is arranged in the straight comer pieces, and verification switch fixed seat 71 is installed in the fixed seat, described straight
The verification switch bracket 72 with the verification switch fixed seat cooperation is fixed in comer pieces or lifting piece.
The anti-of setting is reached when verifying switch bracket and verification switch fixed seat contact and jumps off the limit, and verification is opened
Pass is actuated for forcing stop, also alert to prevent each parts damages to play the role of dual fail-safe.
Connecting rod two end is located at straight comer pieces and is bolted with spigot nut 61 close to the side at connecting rod center, consolidates on the spigot nut
Equipped with the auxiliary guide plate 62 that can be posted by the lateral surface of the side plate, the anti-jump fixed seat includes the level of integrally connected
Straight panel and vertical straight panel offer the vertically arranged word hole for being connect with side plate, the level in the vertical straight panel
Straight panel upper edge length of connecting rod direction is offered for across a word hole of brake bar.
The setting of above structure mode can be achieved brake bar and set whole on direction in the horizontal and vertical direction, be conducive to brake bar pair
The containing stress equalization of connecting rod.Pass through the locked connection of bolt between the anti-jump fixed seat adjusted and side plate.The fixation of safety tongs
Clamp block coordinates with guide rail, and auxiliary guide plate coordinates with side plate again, and to ensure that entire anti-bouncing device is not easy to deflect, stability is good,
It permanently effective can use, service life is long.
Embodiment two：
Unlike the embodiments above be in the active clamp block includes coordinating for clamping with the fixation clamp block 401 of safety tongs
The pincers frame 4102 of guide rail processed, the braking rolling 413 between pincers frame and the braking inclined-plane 402 of fixed clamp block, the lifting arm to
Upper extension is connected with braking rolling.The braking is rolled to be connected with pincers frame, and the billowing face of braking is opposite with the braking inclined-plane, described
Lifting arm upper end is fixed on braking rolling middle part.The pincers frame includes the orthogonal damper frame wall with guide rail cooperation
4121 and the skeleton frame wall positioned at outside, the strip-shaped hole of the open at one end far from skeleton frame wall, institute are laterally provided on the damper frame wall
It states strip-shaped hole and damper frame wall is divided into the multistage frame wall section 4122 from top to bottom arranged successively.
Embodiment three：
It is unlike the embodiments above to be in the arm extended in the lifting arm bottom end oriented braking inclined-plane side of vertical connection
Connecting plate 4111, the straight bent plate include connecting positioned at the top connecting plate being spirally connected with arm connecting plate overlapping at top and backwards to arm
Fishplate bar side extends the bar connecting plate 4112 for the interlinking lever end that is spirally connected.
It is connected between two rail crowns and reinforces connector 9, the reinforcement connector bottom is installed with bumper
91。
The guider structural stability of the application is strong, and the setting of bumper is to the directive wheel etc. of fixed frame and its inside
It plays a very good protection when structure is under extreme condition, is scrapped in order to avoid being damaged under extreme condition.I.e. for the device
Failure risk increases damping device to realize secondary protection.
The application increase between the safety tongs and permanent magnetic chuck set on fixed seat balancing spring constitute balance system, when
When the inertia force generated when tight device acceleration or deceleration action is applied to the balance system, the suction that permanent magnetic chuck generates just makes to put down
Weigh spring-compressed, and then triggers safety tongs action, realizes the step-by-step brake of tensioning apparatus, and then make the steady stop of car.
Car is beated upwards, and moment accelerates upwards, and the compensation rope band being connect with car moves fixed seat, related in fixed seat to have
One upward inertia force is fixedly arranged on fixation clamp block in fixed seat, anti-jump fixed seat equally there are one upward to drive
Inertia force；Since brake bar, connecting rod, activity clamp block are to float to be set in anti-jump fixed seat by balancing spring, normal operation
When keep equilibrium state, when anti-jump fixed seat rises because of upward inertia force moment, because activity clamp block cannot timely respond to wink
Between rising, so that balancing spring is compressed, and permanent magnetic chuck suction keep balancing spring compressive state, then brake bar relative to
Anti-jump fixed seat is walked downwards, and the relatively anti-jump fixed seat of connecting rod drive activity clamp block, fixed clamp block and fixed seat move downward so that
Activity clamp block clamps guide rail in turn with fixed clamp block relative motion, prevents to jump on tensioning apparatus, prevents car from rushing to summit.
In addition the trigger device floats in normal operation with tensioning apparatus, and acceleration is jumped only on tensioning apparatus and is generated
Inertia force overcome and could trigger anti-bouncing device when the balance system, thus can effectively avoid caused by steel wire rope extends
The failure risk of fixed anti-jump trigger device.
Claims (10)
1. a kind of triggering equipment of compensating rope of elevator anti-bouncing device, including guider（7）, fixed frame on guider
Component（1）, tensioner wheel assembly in fixed frame component（2）, it is characterised in that：The guider is described including being located in
The guide rail of fixed frame component both sides（701）, the fixed frame component includes being located between two guide rails and can be along the guide rail
The fixed seat moved up and down, the fixed seat middle part are equipped with anti-bouncing device, and the anti-bouncing device includes to being set to the fixation
The side plate of seat both sides（11）Safety tongs that is upper and coordinating with the guide rail, is connected to the active clamp block of two safety tongs（41）Between
Connecting rod for controlling safe clamp brake（6）, upper end be sheathed on the connecting rod brake bar, be connected in the fixed seat
Anti-jump fixed seat（31）, be sheathed on the balancing spring of the brake bar（32）And it is fixedly arranged in the anti-jump fixed seat and is arranged
Permanent magnetic chuck on the brake bar（33）, the brake bar lower part is arranged in the anti-jump fixed seat, top is equipped with and institute
State the regulating part of permanent magnetic chuck cooperation（34）, institute's side plate upper edge gravity direction offers the word through-hole for being pierced by the connecting rod
（12）.
2. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 1, it is characterised in that：The brake bar
Including superposed eyelet bolt（51）With the screw rod positioned at lower part（52）, the regulating part is to be connected to the eyelet bolt
Adjusting screwed pipe between screw rod（53）And wing nut（54）, the balancing spring is set on the adjusting screwed pipe and anti-jump fixation
Between seat, the permanent magnetic chuck is set to the anti-jump fixed seat bottom, and the screw rod bottom end is equipped with screwed retaining ring.
3. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 2, it is characterised in that：The equilibrium bomb
Spring is non-magnetic spring, and the brake bar is non-magnetic brake bar.
4. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 1, it is characterised in that：The adjustable clamp
Block bottom is fixed with the lifting arm extended downwardly（411）, straight comer pieces is bolted on the lifting arm（412）, the connecting rod two end
It is arranged in the straight comer pieces, verification switch fixed seat is installed in the fixed seat（71）, in the straight comer pieces or lifting piece
It is fixed with the verification switch bracket with the verification switch fixed seat cooperation（72）.
5. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 4, it is characterised in that：Connecting rod two end position
In straight comer pieces spigot nut is bolted with close to the side at connecting rod center（61）, be installed on the spigot nut can be posted by it is described
Auxiliary guide plate on the lateral surface of side plate（62）, the anti-jump fixed seat includes the horizontal straight panel and vertical straight of integrally connected
Plate offers the vertically arranged word hole for being connect with side plate, the horizontal straight panel upper edge connecting rod in the vertical straight panel
Length direction is offered for across a word hole of brake bar.
6. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 5, it is characterised in that：The adjustable clamp
Block includes the fixation clamp block with safety tongs（401）Coordinate the pincers frame for clamping down on guide rail（4102）, be set to pincers frame and fixed clamp block
Braking inclined-plane（402）Between braking rolling（413）, the lifting arm is upwardly extended to be connected with braking rolling.
7. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 6, it is characterised in that：The braking rolling
It is connected with pincers frame, braking is billowed, and face is opposite with the braking inclined-plane, and the lifting arm upper end is fixed on braking rolling middle part.
8. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 7, it is characterised in that：The pincers frame packet
Include the orthogonal damper frame wall with guide rail cooperation（4121）It is horizontal on the damper frame wall with the skeleton frame wall positioned at outside
To the strip-shaped hole for being provided with the open at one end far from skeleton frame wall, damper frame wall is divided into and from top to bottom arranges successively by the strip-shaped hole
Multistage frame wall section（4122）.
9. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 8, it is characterised in that：The lifting arm
The arm connecting plate that vertical connection oriented braking inclined-plane side in bottom end extends（4111）, the straight bent plate includes positioned at top and institute
State the top connecting plate and extend the bar company for the interlinking lever end that is spirally connected backwards to arm connecting plate side that arm connecting plate overlapping is spirally connected
Fishplate bar（4112）.
10. a kind of triggering equipment of compensating rope of elevator anti-bouncing device according to claim 1, it is characterised in that：Described in two
Reinforcement connector is connected between rail crown（9）, the reinforcement connector bottom is installed with bumper（91）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554168.2U CN207861655U (en) | 2017-11-20 | 2017-11-20 | A kind of triggering equipment of compensating rope of elevator anti-bouncing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554168.2U CN207861655U (en) | 2017-11-20 | 2017-11-20 | A kind of triggering equipment of compensating rope of elevator anti-bouncing device |
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| Publication Number | Publication Date |
|---|---|
| CN207861655U true CN207861655U (en) | 2018-09-14 |
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ID=63475605
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721554168.2U Active CN207861655U (en) | 2017-11-20 | 2017-11-20 | A kind of triggering equipment of compensating rope of elevator anti-bouncing device |
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| CN (1) | CN207861655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804765A (en) * | 2017-11-20 | 2018-03-16 | 恒达富士电梯有限公司 | A kind of triggering method and its equipment of compensating rope of elevator anti-bouncing device |
-
2017
- 2017-11-20 CN CN201721554168.2U patent/CN207861655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804765A (en) * | 2017-11-20 | 2018-03-16 | 恒达富士电梯有限公司 | A kind of triggering method and its equipment of compensating rope of elevator anti-bouncing device |
| CN107804765B (en) * | 2017-11-20 | 2024-03-19 | 恒达富士电梯有限公司 | Triggering method and equipment for elevator compensation rope anti-jump device |
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