CN105800414A - Novel elevator safety device and assisting device used for novel elevator safety device - Google Patents
Novel elevator safety device and assisting device used for novel elevator safety device Download PDFInfo
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- CN105800414A CN105800414A CN201610286587.6A CN201610286587A CN105800414A CN 105800414 A CN105800414 A CN 105800414A CN 201610286587 A CN201610286587 A CN 201610286587A CN 105800414 A CN105800414 A CN 105800414A
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- spring
- safety device
- elevator
- elevator safety
- transmission connection
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- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000000712 assembly Effects 0.000 claims description 20
- 238000000429 assembly Methods 0.000 claims description 20
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 241001246312 Otis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
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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
- B66B5/08—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding
-
- 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
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a novel elevator safety device and an assign device used for the novel elevator safety device. The novel elevator safety device aims at further improving elevator safety. The elevator safety device comprises a transmission connecting part used for being connected with an elevator pull rope, a spring arranged on the transmission connecting part, a lower spring support, an upper spring support connected with an elevator car, a brake supporting frame used for being connected with the car and a brake assembly; and a through hole is formed in the upper spring support, the transmission connecting part penetrates the through hole in the upper spring support and can move relative to the upper spring support, the lower end of the transmission connecting part is connected with the lower spring support, and the spring is arranged between the lower spring support and the upper spring support. The novel elevator safety device with the higher safety can effectively prevent happening of accidents of falling, top rushing and the like of an elevator, and is reasonable in design, simple in structure, easy to mount and maintain, good in reliability, capable of effectively ensuring elevator running safety and good in application prospect.
Description
Technical field
The present invention relates to lift facility field, be specially a kind of novel elevator safety device and the auxiliary device for it.
Background technology
In order to ensure the safe operation of elevator, elevator is generally fitted with elevator safety gear.Elevator safety gear is under the manipulation of limiter of speed, and when elevator speed exceedes the restriction speed that elevator governor sets, or when suspension strop fracture occurs and be lax, elevator safety gear by urgent for car stop, and can be clamped on guide rail.
Existing safety tongs is invented by the Otis of the U.S., and uses till today, and it makes elevator safety be improved.Existing safety tongs is divided into one-way safety pincers and bidirectional safety tongs, domestic currently mainly based on one-way safety pincers.
For this, the present invention provides a new safety device, to improve the safety of elevator further.
Summary of the invention
The goal of the invention of the present invention is in that, it is provided that a kind of novel elevator safety device and the auxiliary device for it, to improve the safety of elevator further.The present invention provides the novel elevator safety device that a kind of safety is higher, and it can effectively prevent elevator to fall, the generation of accident etc. of rushing to summit.The present invention is reasonable in design, simple in construction, it is easy to installs and safeguards, good reliability, it is possible to be effectively ensured the operation safety of elevator, have good application prospect.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of novel elevator safety device, it is characterized in that, including the transmission connection piece for being connected with elevator stay cord, it is arranged on the spring on transmission connection piece, spring lower carriage, the spring upper bracket being connected with lift car, for the brake support rack being connected with car, brake assemblies, described spring upper bracket is provided with through hole, described transmission connection piece can move relative to spring upper bracket through the through hole on spring upper bracket and transmission connection piece, the lower end of described transmission connection piece is connected with spring lower carriage, described spring is arranged between spring lower carriage and spring upper bracket and spring lower carriage, spring upper bracket can interact with spring respectively；
Described brake assemblies includes the guide rail perpendicular with cage operation direction, the slide block matched with guide rail, the brake component being connected with slide block, connecting rod, described guide rail is connected with brake support rack, and the two ends of described connecting rod are flexibly connected with transmission connection piece, slide block respectively and connecting rod energy moves (namely the two ends of connecting rod are hinged with transmission connection piece, slide block respectively) with movable slider opposite rail；
Described brake support rack is two groups and brake support rack is symmetrical arranged centered by transmission connection piece, and described brake assemblies is four groups, and two groups of brake assemblies are symmetricly set on same brake support rack in opposite directions.
Being provided with two groups of gripper shoes on described brake support rack, described guide rail is connected with gripper shoe.
Described transmission connection piece includes wirerope adapter, central block, and described wirerope adapter is connected with the upper end of central block, and described spring lower carriage is connected with the lower end of central block.
Also including the linear bearing being arranged on spring upper bracket, described spring lower carriage is slidably connected with spring upper bracket composition by linear bearing.
Described connecting rod is flexibly connected with central block and connecting rod energy relative centre block rotates, and namely connecting rod is hinged with central block.
The upper end of described wirerope adapter is provided with wirerope connecting hole.
Described brake component is provided with claw.
Described brake component section vertically is L-shaped.
Described brake component section in the horizontal direction is Qian type or C type.
For the auxiliary device of aforesaid elevator safety device, including the cross bar matched with brake assemblies.
Described cross bar is arranged on elevator hoistways.
Also including the safe mounting attachment being arranged on elevator hoistways sidewall, the cross bar being arranged on safe mounting attachment, described cross bar is perpendicular with the traffic direction of elevator.
For foregoing problems, the present invention provides a kind of novel elevator safety device and the auxiliary device for it.This safety device includes the transmission connection piece for being connected with elevator stay cord, it is arranged on the spring on transmission connection piece, spring lower carriage, the spring upper bracket being connected with lift car, for the brake support rack being connected with car, brake assemblies, spring upper bracket is provided with through hole, transmission connection piece can move relative to spring upper bracket through the through hole on spring upper bracket and transmission connection piece, the lower end of transmission connection piece is connected with spring lower carriage, spring is arranged between spring lower carriage and spring upper bracket and spring can interact with spring lower carriage and spring upper bracket respectively.Adopting this structure, the wirerope of Zhuai Yin mechanism is connected with transmission connection piece.Spring upper bracket is connected with lift car, by transmission connection piece, spring, spring lower carriage, the cooperating of spring upper bracket, it is achieved dragging of car is drawn.
Brake support rack is two groups and brake support rack is symmetrical arranged centered by transmission connection piece, and brake assemblies is four groups, and two groups of brake assemblies are symmetricly set on same brake support rack in opposite directions.Brake assemblies includes the guide rail perpendicular with cage operation direction, the slide block matched with guide rail, the brake component being connected with slide block, connecting rod, guide rail is connected with brake support rack, the two ends of connecting rod are flexibly connected with transmission connection piece, slide block respectively and connecting rod energy band movable slider opposite rail moves, and slide block can do rectilinear motion on guide rail.Adopting this structure, the connecting rod energy band movable slider opposite rail in brake assemblies moves, and in the process that slide block moves, slide block can drive coupled brake component to move simultaneously.When transmission connection piece drivening rod moves upward, two connecting rods of lower section are to contract, and then drive the slide block being attached thereto to move to the direction of transmission connection piece；Two connecting rods of top are protruding, and drive brake component to be displaced outwardly by slide block, by brake component and the safe mounting attachment clamping on elevator hoistways, it is achieved fixing lift car, effectively prevent the generation of the accident of rushing to summit.When elevator is properly functioning, spring is in normally compressed state, and brake component is in suitable position, thus ensureing that elevator is not stuck.
When transmission connection piece drivening rod moves downward, two connecting rods of top are to contract, and then drive the slide block being attached thereto to move to the direction of transmission connection piece；Two connecting rods of lower section are protruding, and drive brake component to be displaced outwardly by slide block, by brake component and the safe mounting attachment clamping on elevator hoistways, it is achieved fixing lift car, effectively prevent the generation of falling accident.As it was previously stated, the elevator car safety of the present invention fixing after, locking state (being namely in machinery dead point) can be in, it is necessary to utilize miscellaneous equipment to be unlocked.
Being provided with two groups of gripper shoes on brake support rack, guide rail is connected with gripper shoe.Adopting this structure, guide rail is connected respectively with the upper/lower terminal of transmission connection piece respectively.
Transmission connection piece includes wirerope adapter, central block, and wirerope adapter is connected with the upper end of central block, and spring lower carriage is connected with the lower end of central block.Adopt this structure so that transmission connection piece is readily produced, processes and safeguards, and the assembling of transmission connection piece.
Further, also including the linear bearing being arranged on spring upper bracket, spring lower carriage is slidably connected with spring upper bracket composition by linear bearing.In this structure, linear bearing is arranged on spring upper bracket, and spring lower carriage is constituted by linear bearing and spring upper bracket and is slidably connected, and forms sliding pair.By the setting of linear bearing, it is possible to effectively reduce the frictional force that spring lower carriage is connected with spring upper bracket, play good assosting effect.
Further, connecting rod is flexibly connected with central block and the rotation of connecting rod energy relative centre block.The upper end of wirerope adapter is provided with wirerope connecting hole, drags dragging of leading-in device and draws steel cable and be connected with transmission connection piece by wirerope connecting hole.
Further, brake component being provided with claw, brake component section vertically is L-shaped.Adopting this structure, the end of claw forms right angle and hooks, and it when some non-locking state, can prevent claw retraction from causing safety equipment to lose efficacy further.
Further, brake component section in the horizontal direction is Qian type or C type.Adopt this structure, it is possible under the premise ensureing brake component intensity, simplify the structure of device.
Further, including the cross bar matched with brake assemblies for the auxiliary device of aforesaid elevator safety device, cross bar can be arranged on elevator hoistways.Adopting this structure, cross bar and claw cooperate, it is simple to safety device is fixed.
Further, the auxiliary device for aforesaid elevator safety device also includes the safe mounting attachment being arranged on elevator hoistways sidewall, the cross bar being arranged on safe mounting attachment, and cross bar is perpendicular with the traffic direction of elevator.Safe mounting attachment can be designed to other shapes, by cooperating of safe mounting attachment and cross bar, it is possible to make brake component contact smoothly and locked with cross bar.
When the present invention is used for existing elevator, do not need existing elevator structure (other relevant devices include the necessarieses such as traction machine, balancing weight, wirerope, do not do tired telling) is modified.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the overall structure schematic diagram of the elevator installing elevator car safety of the present invention in embodiment 1.
Fig. 2 is the stereoscopic-state schematic diagram of Fig. 1.
Fig. 3 is the partial schematic diagram of car and elevator car safety in embodiment 1.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the overall schematic of elevator car safety in embodiment 1.
Fig. 6 is the stereoscopic-state schematic diagram of Fig. 5.
Fig. 7 is the close-up schematic view of I in Fig. 6.
Fig. 8 is mechanism's explosive view of Fig. 6.
Fig. 9 is mechanism's letter view of elevator car safety in embodiment 1.
Front view when elevator falls in Figure 10 embodiment 1.
Figure 11 is the stereoscopic-state schematic diagram of Figure 10.
Figure 12 is the close-up schematic view of II in Figure 11.
When Figure 13 is that in embodiment 1, elevator falls, the front view of elevator protection device.
When Figure 14 is that in embodiment 1, elevator falls, mechanism's letter view of elevator car safety.
Front view when Figure 15 is that in embodiment 1, elevator is rushed to summit.
Figure 16 is the stereoscopic-state schematic diagram of Figure 15.
Figure 17 is the close-up schematic view of III in Figure 16.
When Figure 18 is that in embodiment 1, elevator is rushed to summit, the front view of elevator protection device.
When Figure 19 is that in embodiment 1, elevator is rushed to summit, mechanism's letter view of elevator car safety.
Figure 20 is the stress sketch (negligible friction) of elevator car safety in the present invention.
Labelling in figure: 1 is brake support rack, 2 is spring, and 3 is spring lower carriage, and 4 is spring upper bracket, and 5 is guide rail, and 6 is slide block, and 7 is brake component, 8 connecting rods, and 9 is wirerope adapter, block centered by 10, and 11 is linear bearing.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
The implementation of the present invention is described by particular specific embodiment below, and those skilled in the art the content disclosed by this specification can understand other advantages and effect of the present invention easily.
Accompanying drawings, the structure of this specification institute accompanying drawings depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Meanwhile, position cited in this specification limits term, is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Any feature disclosed in this specification, unless specifically stated otherwise, all can by other equivalences or there is the alternative features of similar purpose replaced.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Embodiment 1
Adopting the elevator of elevator car safety of the present invention, its overall schematic is as indicated with 1.
In the present embodiment, elevator car safety includes the transmission connection piece for being connected with elevator stay cord, it is arranged on the spring on transmission connection piece, spring lower carriage, the spring upper bracket being connected with lift car, for the brake support rack being connected with car, brake assemblies, linear bearing, spring upper bracket is provided with through hole, transmission connection piece can move relative to spring upper bracket through the through hole on spring upper bracket and transmission connection piece, the lower end of transmission connection piece is connected with spring lower carriage, spring is arranged between spring lower carriage and spring upper bracket and spring can interact with spring lower carriage and spring upper bracket respectively.
Brake assemblies includes the guide rail perpendicular with cage operation direction, the slide block matched with guide rail, the brake component being connected with slide block, connecting rod, and guide rail is connected with brake support rack, and the two ends of connecting rod are hinged with transmission connection piece, slide block respectively.
Brake support rack is two groups and brake support rack is symmetrical arranged centered by transmission connection piece, and brake support rack is provided with two groups of gripper shoes, and guide rail is connected with gripper shoe；Brake assemblies is four groups, and two groups of brake assemblies are symmetricly set on same brake support rack in opposite directions.
In the present embodiment, transmission connection piece includes wirerope adapter, central block, and wirerope adapter is connected with the upper end of central block, and spring lower carriage is connected with the lower end of central block.Linear bearing is arranged on spring upper bracket, and spring lower carriage is slidably connected with spring upper bracket composition by linear bearing.Connecting rod is hinged with central block.In the present embodiment, the upper end of wirerope adapter is provided with wirerope connecting hole.
In the present embodiment, brake component being provided with claw, brake component section vertically is L-shaped.
The elevator of the present embodiment includes car, the guide rail being arranged on elevator hoistways, the safe mounting attachment being arranged on elevator hoistways sidewall, the cross bar that is arranged on safe mounting attachment, cross bar is perpendicular with the traffic direction of elevator.The present embodiment is based on existing elevator, it is not necessary to it is modified, and the equipment of elevator is the same with other for other equipment (such as necessarieses such as traction machine, balancing weight, wireropes), does not do tired telling.
When the elevator of the present embodiment is properly functioning (assuming that setting speed is 1 meter per second when this elevator is properly functioning, payload ratings 1000kG, specified manned number is 13 people), as shown in Figure 1 and Figure 2.Now, spring is in normally compressed state, brake component and safe mounting attachment not in contact with, elevator can be properly functioning.
When elevator no-load and full load, the weight change caused, also can cause the change of amount of spring compression, but brake component will not be made to contact with safe mounting attachment, and then ensure the properly functioning of elevator.
When elevator accelerates decline or freely falling body occurs in wirerope fracture, due to the instantaneous increase of downward acceleration, so according to force analysis as shown in figure 20, wirerope tensile force f reduces or is 0.Now, reduce and have and provided downward elastic force owing to central block is subject to wirerope pulling force by spring, accelerate to move downward relative to car by the element making central block and upper connection thereof.Safety guard will be in state shown in Figure 13, lift car can be stoped to continue to move downward by safe mounting attachment, as shown in Figure 10, Figure 11, Figure 12.Now, elevator is by instantaneous stopping, and the passenger in elevator just can wait for rescue safely.
When elevator accelerates to rise or rush to summit accident, due to the upwards instantaneous increase of acceleration, so according to force analysis as shown in figure 20, wirerope tensile force f increases.Now, increase owing to central block is subject to wirerope pulling force, cause that spring-compressed degree increases, accelerate to move upward relative to car by the element making central block and upper connection thereof.Safety guard will be in state shown in Figure 18, lift car can be stoped to continue up by safe mounting attachment, as shown in Figure 15, Figure 16, Figure 17.Now, elevator is by instantaneous stopping, and the passenger in elevator just can wait for rescue safely.
Improper downward acceleration or wirerope fracture accident occur when elevator, and when the elevator car safety of the present invention starts, elevator is out of service.Now, owing to connecting rod and the central block direction of motion are in same straight line (as shown in figure 13), therefore according to machinery dead point conditional judgment, now, mechanism is in locking state, it is impossible to be returned to original state, have to wait for elevator service personnel and when elevator rescue personnel are rescued by trapped personnel, other equipment is utilized to release equipment locking state (namely utilizing equipment to release machinery dead point, the elevator service personnel herein possessing mechanical insight is easy to accomplish, and does not do tired telling).
In like manner, when improper upwards accelerate or elevator is rushed to summit accident occurs elevator, when safety equipment start, elevator is out of service；Now, owing to connecting rod and the central block direction of motion are in same straight line (as shown in figure 18), therefore according to machinery dead point conditional judgment, now mechanism is in locking state, original state cannot be returned to, it is necessary to wait when trapped personnel is rescued by elevator service personnel and elevator rescue personnel, utilize other equipment to release equipment locking state and (namely utilize equipment to release dead point, the elevator service personnel herein possessing mechanical insight is easy to accomplish, and does not do tired telling).
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any new feature disclosed in this manual or any new combination, and the step of the arbitrary new method disclosed or process or any new combination.
Claims (10)
1. a novel elevator safety device, it is characterized in that, including the transmission connection piece for being connected with elevator stay cord, it is arranged on the spring on transmission connection piece, spring lower carriage, the spring upper bracket being connected with lift car, for the brake support rack being connected with car, brake assemblies, described spring upper bracket is provided with through hole, described transmission connection piece can move relative to spring upper bracket through the through hole on spring upper bracket and transmission connection piece, the lower end of described transmission connection piece is connected with spring lower carriage, described spring is arranged between spring lower carriage and spring upper bracket and spring lower carriage, spring upper bracket can interact with spring respectively；
Described brake assemblies includes the guide rail perpendicular with cage operation direction, the slide block matched with guide rail, the brake component being connected with slide block, connecting rod, described guide rail is connected with brake support rack, and the two ends of described connecting rod are flexibly connected with transmission connection piece, slide block respectively and connecting rod energy band movable slider opposite rail moves；
Described brake support rack is two groups and brake support rack is symmetrical arranged centered by transmission connection piece, and described brake assemblies is four groups, and two groups of brake assemblies are symmetricly set on same brake support rack in opposite directions.
2. novel elevator safety device according to claim 1, it is characterised in that being provided with two groups of gripper shoes on described brake support rack, described guide rail is connected with gripper shoe.
3. novel elevator safety device according to claim 1, it is characterised in that described transmission connection piece includes wirerope adapter, central block, and described wirerope adapter is connected with the upper end of central block, and described spring lower carriage is connected with the lower end of central block.
4. novel elevator safety device according to claim 3, it is characterised in that also include the linear bearing being arranged on spring upper bracket, described spring lower carriage consists of with spring upper bracket linear bearing and is slidably connected.
5. novel elevator safety device according to claim 1, it is characterised in that the upper end of described wirerope adapter is provided with wirerope connecting hole.
6. novel elevator safety device according to claim 1, it is characterised in that be provided with claw on described brake component.
7. novel elevator safety device according to claim 1, it is characterised in that described brake component section vertically is L-shaped.
8. novel elevator safety device according to claim 1, it is characterised in that described brake component section in the horizontal direction is Qian type or C type.
9. for the auxiliary device of aforesaid elevator safety device, it is characterised in that include the cross bar matched with brake assemblies.
10. the auxiliary device of novel elevator safety device according to claim 1, it is characterised in that also include the safe mounting attachment being arranged on elevator hoistways sidewall, the cross bar being arranged on safe mounting attachment, described cross bar is perpendicular with the traffic direction of elevator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286587.6A CN105800414B (en) | 2016-05-04 | 2016-05-04 | A kind of elevator car safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286587.6A CN105800414B (en) | 2016-05-04 | 2016-05-04 | A kind of elevator car safety |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105800414A true CN105800414A (en) | 2016-07-27 |
| CN105800414B CN105800414B (en) | 2017-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610286587.6A Expired - Fee Related CN105800414B (en) | 2016-05-04 | 2016-05-04 | A kind of elevator car safety |
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| Country | Link |
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| CN (1) | CN105800414B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941858A (en) * | 2019-03-01 | 2019-06-28 | 沈巧婷 | The overhauling elevator protective device for preventing carriage from rushing to summit is buffered twice |
| CN111807182A (en) * | 2020-07-17 | 2020-10-23 | 安徽迅立达电梯有限公司 | Operation method convenient for safe installation of elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB478220A (en) * | 1936-08-10 | 1938-01-14 | Franz Otto Jaeckel | Improvements in safety catches for hoist conveyances |
| JPH09124243A (en) * | 1995-10-27 | 1997-05-13 | Hitachi Building Syst Co Ltd | Operation testing device for dumb waiter emergency suspension device |
| CN2675627Y (en) * | 2004-02-13 | 2005-02-02 | 徐友金 | Multifunctional gantry crane and elevator safety installation |
| CN200985231Y (en) * | 2006-12-15 | 2007-12-05 | 王瑞琪 | Energy-storage capsizing-proof dropping-proof device |
| CN202704754U (en) * | 2012-06-07 | 2013-01-30 | 苏州汾湖电梯有限公司 | Elevator safe device |
| CN204958047U (en) * | 2015-08-13 | 2016-01-13 | 卫小兵 | Device for preventing lift car of lift from accidentally moving |
| CN105293244A (en) * | 2015-12-11 | 2016-02-03 | 郭贤良 | Suspension type elevator anti-falling device |
-
2016
- 2016-05-04 CN CN201610286587.6A patent/CN105800414B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB478220A (en) * | 1936-08-10 | 1938-01-14 | Franz Otto Jaeckel | Improvements in safety catches for hoist conveyances |
| JPH09124243A (en) * | 1995-10-27 | 1997-05-13 | Hitachi Building Syst Co Ltd | Operation testing device for dumb waiter emergency suspension device |
| CN2675627Y (en) * | 2004-02-13 | 2005-02-02 | 徐友金 | Multifunctional gantry crane and elevator safety installation |
| CN200985231Y (en) * | 2006-12-15 | 2007-12-05 | 王瑞琪 | Energy-storage capsizing-proof dropping-proof device |
| CN202704754U (en) * | 2012-06-07 | 2013-01-30 | 苏州汾湖电梯有限公司 | Elevator safe device |
| CN204958047U (en) * | 2015-08-13 | 2016-01-13 | 卫小兵 | Device for preventing lift car of lift from accidentally moving |
| CN105293244A (en) * | 2015-12-11 | 2016-02-03 | 郭贤良 | Suspension type elevator anti-falling device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941858A (en) * | 2019-03-01 | 2019-06-28 | 沈巧婷 | The overhauling elevator protective device for preventing carriage from rushing to summit is buffered twice |
| CN109941858B (en) * | 2019-03-01 | 2020-12-29 | 张家界百龙天梯旅游发展有限公司 | Elevator maintenance protection device for preventing car from rushing to top through twice buffering |
| CN111807182A (en) * | 2020-07-17 | 2020-10-23 | 安徽迅立达电梯有限公司 | Operation method convenient for safe installation of elevator |
| CN111807182B (en) * | 2020-07-17 | 2021-08-10 | 安徽迅立达电梯有限公司 | Operation method convenient for safe installation of elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105800414B (en) | 2017-12-19 |
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