CN103910264B - Detachable elevator governor - Google Patents
Detachable elevator governor Download PDFInfo
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- CN103910264B CN103910264B CN201410158468.3A CN201410158468A CN103910264B CN 103910264 B CN103910264 B CN 103910264B CN 201410158468 A CN201410158468 A CN 201410158468A CN 103910264 B CN103910264 B CN 103910264B
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- centrifugal weight
- speed limiter
- rope
- rope sheave
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Abstract
The present invention discloses a kind of detachable elevator governor, speed limiter comprises support, speed limiter rope sheave mechanism and speed monitoring mechanism, speed limiter rope sheave mechanism is arranged in support, speed monitoring mechanism and the split of speed limiter rope sheave mechanism are arranged, and speed monitoring mechanism and speed limiter rope sheave mechanism are coaxially arranged. The present invention is while effectively can carrying out speed limit to lift car, it is also possible to meets convenient disassembly, be convenient to inspection, repairing etc., and can when checking (verification) or repair, and off-line operation is not only convenient, but also can eliminate safe hidden trouble.
Description
Technical field
The present invention open a kind of elevator speed governor, particularly a kind of detachable elevator governor.
Background technology
Along with elevator people live in use get more and more, the use safety of elevator is also more and more paid close attention to, elevator governor prevents lift car hypervelocity from running, especially a kind of safeguard protection device when lift car stall drops, operating principle is the effect by centrifugal force, triggering mechanism action, by the speed limiter i.e. linkage of safety pincers by lift car stop on elevator guide rail. at present, commonplace elevator overspeed preventer device is used to adopt the structure of a speed limiter rope sheave, please refer to accompanying drawing 1 to accompanying drawing 4, the internal structure feature of conventional elevator governor is that all according to certain layout, the centrifugal hammer of speed limiter, centrifugal hammer connection pull bar, ratchet 14, centrifugal weight 10, return spring 13 etc. are fixed on speed limiter rope sheave inside, is the elevator governor of integral type. elevator governor principle of work: when the travelling speed of lift car exceedes the travelling speed of regulation, the speed that elevator runs is passed to speed limiter by speed limiter wire rope 15, the pressure that centrifugal weight 10 overcomes return spring 13 under the influence of centrifugal force outwards swings, ratchet adjustment Luo nail 2 is promoted to make ratchet 14 insert ratchet 11, lift car continues to run downwards, then ratchet 11 drives rope guarding plate pull bar 6, rope guarding plate 8 rotates clockwise, the safety switch driving lever 3 on safety switch 4 is promoted to cut off elevator safety loop, and then cut off elevator power supply, simultaneously, cord-pressing block 9 is driven to push down speed limiter wire rope 15, elevator speed limiter wire rope stops motion, now there is relative movement in speed limiter wire rope and lift car, dress elevator safety gear on the elevator car is mentioned by the motion speed limiter wire rope of lift car, elevator safety gear vises elevator guide rail, by lift car stop on elevator guide rail, the object preventing lift car hypervelocity protection is played in the linkage clamped safely by speed limiter. when integral type elevator governor is loaded onto after speed limiter wire rope 15 comes into operation, can only carry out at scene as the inspection (verification) that elevator governor need to be carried out and maintenance. the service clearance installed for the speed limiter of organic machine room-free elevator is generally narrower and small, and the speed limiter for machine-roomless lift is mounted in elevator hoistways, maintenance, inspection (inspection) activity can only carry out in lift stand car roof, both inconvenient, also easily cause personal injury. such as, the requirement of the safety standards that uses according to elevator (such as " elevator manufacture with install safety standard " (GB7588), " elevator supervision and inspection and periodical survey rule traction and forcibly driving elevator " (TSGT7001)) is to carrying out regular scene by the action speed of elevator governor, when X-ray inspection X (verification), there is problems such as checking (verification) inconvenient operation, operating process easily causes personal injury and tested structure deteriorate, inspection (verification) result is inaccurate, efficiency is not high.When damage or fault occurs in elevator governor inside, it is necessary to stop the use of elevator, it is also inconvenient and unsafe for carrying out keeping in repair online.
Summary of the invention
For the above-mentioned elevator governor of the prior art mentioned when detecting or keep in repair; need to shut down the overall shortcoming pulled down; the present invention provides a kind of detachable elevator governor newly; the working portions such as elevator governor rope sheave are become two relatively independent parts by it with elevator governor speed monitoring partial design, by bolt or key connecting. When elevator governor is arranged on use scene, the speed monitoring mechanism part of elevator governor can be easy to from elevator overspeed preventer device to pull down.
The present invention solves the technical scheme of its technical problem employing: a kind of detachable elevator governor, speed limiter comprises support, speed limiter rope sheave mechanism and speed monitoring mechanism, speed limiter rope sheave mechanism is arranged in support, speed monitoring mechanism and the split of speed limiter rope sheave mechanism are arranged, and speed monitoring mechanism and speed limiter rope sheave mechanism are coaxially arranged, described speed limiter rope sheave mechanism comprises speed limiter rope sheave, ratchet, rope guarding plate pull bar, rope guarding plate and rope guarding plate spring, ratchet and speed limiter rope sheave are coaxially arranged, rope guarding plate pull bar one end is linked together by rotating shaft and ratchet, rope guarding plate one end is arranged on support by rope guarding plate axle, the other end is sleeved on rope guarding plate pull bar, rope guarding plate is provided with cord-pressing block by cord-pressing block axle, cord-pressing block is arranged corresponding to speed limiter rope sheave, rope guarding plate spring is sleeved on rope guarding plate pull bar, inside rope guarding plate spring, end supports rope guarding plate, outboard end is fixed on rope guarding plate pull bar by nut.
The technical scheme that the present invention solves the employing of its technical problem further comprises:
Described speed monitoring mechanism comprises centrifugal weight wheel, centrifugal weight, centrifugal weight return spring, ratchet and ratchet adjustment screw, centrifugal weight wheel is coaxially arranged with speed limiter rope sheave, centrifugal weight is arranged on centrifugal weight wheel by rotating shaft, centrifugal weight is provided with centrifugal weight return spring, centrifugal weight return spring is arranged between centrifugal weight and centrifugal weight wheel, centrifugal weight wheel is provided with ratchet by rotating shaft, ratchet is arranged corresponding to ratchet, the axis of speed limiter rope sheave has offered keyway, by key transmission between centrifugal weight wheel and speed limiter rope sheave.
Described centrifugal weight wheel is rounded, and centrifugal weight wheel is arranged on outside support, is sleeved on the main shaft of speed limiter rope sheave from side.
Described centrifugal weight wheel is rounded, and centrifugal weight wheel is provided with a breach for installing, and centrifugal weight wheel is arranged on inside support, is inserted into the main shaft of speed limiter rope sheave from indentation, there.
Described centrifugal weight is provided with two, and two centrifugal weights are arranged on centrifugal weight wheel outside by rotating shaft respectively, and two centrifugal weights are linked together by connecting rod.
Described ratchet is provided with the adjustment screw of the ratchet for adjusting detent positions.
Being installed with safety switch on described support, safety switch is provided with safety switch driving lever, safety switch driving lever is arranged corresponding to rope guarding plate pull bar.
The invention has the beneficial effects as follows: the present invention is while effectively can carrying out speed limit to lift car, convenient disassembly can also be met, it is convenient to inspection, repairing etc., and can when checking (verification) or repair, off-line operation, not only convenient, but also can eliminate safe hidden trouble.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is that speed limiter of the prior art wheel faces structural representation.
Fig. 2 is speed limiter of the prior art wheel side-looking structural representation.
Fig. 3 is that structural representation faced by speed limiter of the prior art.
Fig. 4 is speed limiter cross-sectional view of the prior art.
Fig. 5 is that the embodiment of the present invention one speed limiter sheave part divides local cross-sectional view.
Fig. 6 is the centrifugal weight wheel part local section structural representation of the embodiment of the present invention one.
Fig. 7 is that the embodiment of the present invention one speed limiter wheel faces structural representation.
Fig. 8 is the embodiment of the present invention one cross-sectional view.
Fig. 9 is that structural representation faced by the embodiment of the present invention one speed limiter.
Figure 10 is the embodiment of the present invention one speed limiter side-looking structural representation.
Figure 11 is that the embodiment of the present invention two speed limiter wheel faces structural representation.
Figure 12 is the embodiment of the present invention two speed limiter wheel side-looking structural representation.
Figure 13 is the embodiment of the present invention two speed limiter rope sheave part side-looking structural representation.
Figure 14 is that the centrifugal weight wheel of the embodiment of the present invention two faces structural representation.
Figure 15 is the centrifugal weight wheel side-looking structural representation of the embodiment of the present invention two.
Figure 16 is the embodiment of the present invention two partial side structural representation.
Figure 17 is that the embodiment of the present invention two faces structural representation.
Figure 18 is the embodiment of the present invention two side-looking structural representation.
In figure, 1-support; 2-ratchet adjustment screw; 3-safety switch driving lever; 4-safety switch; 5-speed limiter rope sheave; 6-rope guarding plate pull bar; 7-rope guarding plate spring; 8-rope guarding plate; 9-cord-pressing block; The centrifugal weight of 10-; 11-ratchet; 12-rope guarding plate axle; The centrifugal weight return spring of 13-; 14-ratchet; 15-speed limiter wire rope; 16-connecting rod, the centrifugal weight wheel of 17-, 18-cord-pressing block axle, 19-bolt, 20-bearing, 21-key.
Embodiment
The present embodiment is the preferred embodiment for the present invention, and other its principles all are identical with the present embodiment or approximate with basic structure, all within protection domain of the present invention.
In order to overcome traditional elevator governor Problems existing in X-ray inspection X (or verification) and maintenance process, the structure of speed limiter rope sheave is designed to the structure of relatively independent two wheel by the present invention: 1, the part of the mechanism for monitoring of governor tripping speed is placed in a wheel as parts; 2, speed limiter rope sheave and other working portions are as parts. Undertaken checking (or verification) or the action speed monitoring mechanism part of maintenance can be relatively easy to from overspeed preventer device to separate by needing, its action speed value is carried out off-line check (or verification) and maintenance work, can easily being reinstalled again overspeed preventer device after off-line check (or verification) maintenance, the security technical capability of elevator overspeed preventer device entirety can not change. In addition, when damage or fault occurs in elevator governor inside, it is not necessary to stop the use of elevator, the speed monitoring mechanism part of elevator overspeed preventer device directly need only be pulled down, change the speed monitoring mechanism part of the elevator governor of same model, same parameter.
Below in conjunction with two specific embodiments, the structure of the present invention is done concrete explanation, in the present invention, speed limiter rope sheave 5 and centrifugal weight are taken turns 17 relative sides is defined as inside speed limiter rope sheave 5, equally, centrifugal weight is taken turns 17 sides relative with speed limiter rope sheave 5 be defined as inside centrifugal weight wheel 17, another side is defined as outside.
Embodiment one: the present embodiment is side-mounted detachable elevator governor or is defined as O type elevator governor.Incorporated by reference to referring to accompanying drawing 5 to accompanying drawing 10, in the present embodiment, elevator overspeed preventer device is divided into two relatively independent parts, the i.e. speed monitoring mechanism wheel part of speed limiter rope sheave part and elevator governor, please refer to accompanying drawing 5, in the present embodiment, speed limiter rope sheave part mainly comprises support 1, speed limiter rope sheave 5, ratchet 11, rope guarding plate pull bar 6, rope guarding plate 8 and rope guarding plate spring 7, speed limiter rope sheave 5 two ends are arranged on support 1 by a bearing 20 respectively, stopper wireline 15 is around on speed limiter rope sheave 5, ratchet 11 and speed limiter rope sheave 5 are coaxially arranged, and be fixed together with bearing 20, in the present embodiment, ratchet 11 is arranged on the inner side of speed limiter rope sheave 5. rope guarding plate pull bar 6 one end is linked together by rotating shaft and ratchet 11, rope guarding plate 8 one end is arranged on support 1 by rope guarding plate axle 12, the other end is sleeved on rope guarding plate pull bar 6, rope guarding plate 8 is provided with cord-pressing block 9 by cord-pressing block axle 18, cord-pressing block 9 is arranged corresponding to the stopper wireline 15 on speed limiter rope sheave 5, rope guarding plate spring 7 is sleeved on rope guarding plate pull bar 6, and inside rope guarding plate spring 7, end supports rope guarding plate 8, and outboard end is fixed on rope guarding plate pull bar 6 by nut.
Incorporated by reference to referring to accompanying drawing 6 and accompanying drawing 7, the speed monitoring mechanism wheel part of the elevator governor in the present embodiment mainly comprises centrifugal weight wheel 17, centrifugal weight 10, centrifugal weight return spring 13, ratchet 14 and ratchet adjustment screw 2, in the present embodiment, it is rounded that centrifugal weight takes turns 17, maybe can also be defined as " O " shape, centrifugal weight wheel 17 is arranged on outside support 1, is sleeved on the main shaft of speed limiter rope sheave 5 from side. In the present embodiment, centrifugal weight 10 is provided with two, two centrifugal weights 10 are arranged on outside centrifugal weight wheel 17 by rotating shaft respectively, two centrifugal weights 10 are linked together by connecting rod 16, being provided with centrifugal weight return spring 13 on centrifugal weight 10, centrifugal weight return spring 13 is arranged between centrifugal weight 10 and centrifugal weight wheel 17. Inside centrifugal weight wheel 17, end is provided with ratchet 14 by rotating shaft, and ratchet 14 is arranged corresponding to ratchet 11, and ratchet 14 is provided with the adjustment screw 2 of the ratchet for adjusting detent positions. Centrifugal weight wheel 17 is coaxially arranged with speed limiter rope sheave 5, in the present embodiment, speed limiter rope sheave 5 and axis are wholely set, then centrifugal weight wheel 17 is directly sleeved on the axis of speed limiter rope sheave 5, it is fixed on the axis of speed limiter rope sheave 5 by bolt 19 outside centrifugal weight wheel 17, in the present embodiment, the axis of speed limiter rope sheave 5 offers keyway, by key transmission between centrifugal weight wheel 17 and speed limiter rope sheave 5.
In the present embodiment, being installed with safety switch 4 in frame 1, safety switch 4 is provided with safety switch driving lever 3, safety switch driving lever 3 is arranged corresponding to rope guarding plate pull bar 6.
In the present embodiment, elevator governor is when normally using. When needing the action speed to elevator governor to check (verification) or maintenance, the speed monitoring mechanism wheel component being arranged on the detachable elevator governor of side can be pulled down from elevator overspeed preventer device, after pulling down, carry out off-line check (verification) or repair. Off-line is reinstalled in the side of elevator overspeed preventer device after carrying out checking (inspection) or repairing, adjustment. Realize elevator governor speed monitoring mechanism part and the separable object of speed limiter rope sheave and other equipment parts.
Embodiment two: the present embodiment is the detachable elevator governor of insert or is defined as U-shaped elevator governor.Incorporated by reference to referring to accompanying drawing 11 to accompanying drawing 18, in embodiment one, centrifugal weight wheel 17 is arranged on outside support 1, so being defined as side located structure, in the present embodiment, centrifugal weight wheel 17 is arranged on inside support 1, during installation, insert dress from support 1 opening and load, be defined as insert.
In the present embodiment, equally elevator overspeed preventer device is divided into two relatively independent parts, the i.e. speed monitoring mechanism wheel part of speed limiter rope sheave part and elevator governor, please refer to accompanying drawing 13, in the present embodiment, speed limiter rope sheave part mainly comprises support 1, speed limiter rope sheave 5, ratchet 11, rope guarding plate pull bar 6, rope guarding plate 8 and rope guarding plate spring 7, speed limiter rope sheave 5 two ends are arranged on support 1 by a bearing 20 respectively, stopper wireline 15 is around on speed limiter rope sheave 5, ratchet 11 and speed limiter rope sheave 5 are coaxially arranged, and be fixed together with bearing 20, in the present embodiment, ratchet 11 is arranged on the inner side of speed limiter rope sheave 5, and and speed limiter rope sheave 5 between be provided with certain distance. rope guarding plate pull bar 6 one end is linked together by rotating shaft and ratchet 11, rope guarding plate 8 one end is arranged on support 1 by rope guarding plate axle 12, the other end is sleeved on rope guarding plate pull bar 6, rope guarding plate 8 is provided with cord-pressing block 9 by cord-pressing block axle 18, cord-pressing block 9 is arranged corresponding to the stopper wireline 15 on speed limiter rope sheave 5, rope guarding plate spring 7 is sleeved on rope guarding plate pull bar 6, and inside rope guarding plate spring 7, end supports rope guarding plate 8, and outboard end is fixed on rope guarding plate pull bar 6 by nut.
The speed monitoring mechanism wheel part of the elevator governor in the present embodiment mainly comprises centrifugal weight wheel 17, centrifugal weight 10, centrifugal weight return spring 13, ratchet 14 and ratchet adjustment screw 2, in the present embodiment, it is rounded that centrifugal weight takes turns 17, centrifugal weight wheel 17 is provided with a breach for installing, maybe can also be defined as " U " shape, centrifugal weight wheel 17 is arranged on inside support 1, it is inserted into the main shaft of speed limiter rope sheave 5 from indentation, there, in the present embodiment, centrifugal weight wheel 17 is close to speed limiter rope sheave 5 and is arranged, namely centrifugal weight wheel 17 is arranged between speed limiter rope sheave 5 and ratchet 11. in the present embodiment, centrifugal weight 10 is provided with two, two centrifugal weights 10 are arranged on outside centrifugal weight wheel 17 by rotating shaft respectively, two centrifugal weights 10 are linked together by connecting rod 16, being provided with centrifugal weight return spring 13 on centrifugal weight 10, centrifugal weight return spring 13 is arranged between centrifugal weight 10 and centrifugal weight wheel 17. inside centrifugal weight wheel 17, end is provided with ratchet 14 by rotating shaft, and ratchet 14 is arranged corresponding to ratchet 11, and ratchet 14 is provided with the adjustment screw 2 of the ratchet for adjusting detent positions. centrifugal weight wheel 17 is coaxially arranged with speed limiter rope sheave 5, in the present embodiment, speed limiter rope sheave 5 and axis are wholely set, then centrifugal weight wheel 17 is directly sleeved on the axis of speed limiter rope sheave 5, it is fixed on the axis of speed limiter rope sheave 5 by bolt 19 outside centrifugal weight wheel 17, in the present embodiment, the axis of speed limiter rope sheave 5 offers keyway, by key transmission between centrifugal weight wheel 17 and speed limiter rope sheave 5.
In the present embodiment, being installed with safety switch 4 in frame 1, safety switch 4 is provided with safety switch driving lever 3, safety switch driving lever 3 is arranged corresponding to rope guarding plate pull bar 6.
Elevator governor is when normally using, when needing the action speed to elevator governor to check (verification), extract out after the speed monitoring mechanism wheel of detachable elevator governor can be pulled down standing bolt from elevator overspeed preventer device, carry out off-line check (verification) or repair, after extraction, off-line reinserts in elevator overspeed preventer device and standing bolt of screwing on after carrying out checking (inspection) or repairing, adjustment.Realize elevator governor speed monitoring mechanism part and the separable object of speed limiter rope sheave and other equipment parts.
Ratchet on speed limiter rope sheave is the operation for preventing the elevator when elevator governor speed monitoring mechanism part is extracted out from elevator overspeed preventer device. When elevator governor speed monitoring mechanism part is extracted out from overspeed preventer device, the ratchet on speed limiter rope sheave will insert ratchet, if now elevator surprisingly runs, can make overspeed preventer device action, prevent elevator from running. Can being backed down by ratchet when speed limiter speed monitoring mechanism part is inserted, elevator just can normally run.
The present invention is while effectively can carrying out speed limit to lift car, it is also possible to meets convenient disassembly, be convenient to inspection, repairing etc., and can when checking (verification) or repair, and off-line operation is not only convenient, but also can eliminate safe hidden trouble.
Claims (2)
1. a detachable elevator governor, it is characterized in that: described speed limiter comprises support, speed limiter rope sheave mechanism and speed monitoring mechanism, speed limiter rope sheave mechanism is arranged in support, speed monitoring mechanism and the split of speed limiter rope sheave mechanism are arranged, and speed monitoring mechanism and speed limiter rope sheave mechanism are coaxially arranged, described speed limiter rope sheave mechanism comprises speed limiter rope sheave, ratchet, rope guarding plate pull bar, rope guarding plate and rope guarding plate spring, ratchet and speed limiter rope sheave are coaxially arranged, rope guarding plate pull bar one end is linked together by rotating shaft and ratchet, rope guarding plate one end is arranged on support by rope guarding plate axle, the other end is sleeved on rope guarding plate pull bar, rope guarding plate is provided with cord-pressing block by cord-pressing block axle, cord-pressing block is arranged corresponding to speed limiter rope sheave, rope guarding plate spring is sleeved on rope guarding plate pull bar, inside rope guarding plate spring, end supports rope guarding plate, outboard end is fixed on rope guarding plate pull bar by nut, described speed monitoring mechanism comprises centrifugal weight wheel, centrifugal weight, centrifugal weight return spring, ratchet and ratchet adjustment screw, centrifugal weight wheel is coaxially arranged with speed limiter rope sheave, centrifugal weight is arranged on centrifugal weight wheel by rotating shaft, centrifugal weight is provided with centrifugal weight return spring, centrifugal weight return spring is arranged between centrifugal weight and centrifugal weight wheel, centrifugal weight wheel is provided with ratchet by rotating shaft, ratchet is arranged corresponding to ratchet, the axis of speed limiter rope sheave has offered keyway, by key transmission between centrifugal weight wheel and speed limiter rope sheave, ratchet is provided with the adjustment screw of the ratchet for adjusting detent positions, described centrifugal weight wheel is rounded, centrifugal weight wheel is arranged on outside support, it is sleeved on the main shaft of speed limiter rope sheave from side, centrifugal weight wheel is provided with a breach for installing, centrifugal weight wheel is arranged on inside support, it is inserted into the main shaft of speed limiter rope sheave from indentation, there, centrifugal weight is provided with two, two centrifugal weights are arranged on centrifugal weight wheel outside by rotating shaft respectively, two centrifugal weights are linked together by connecting rod.
2. detachable elevator governor according to claim 1, is characterized in that: be installed with safety switch on described support, safety switch is provided with safety switch driving lever, and safety switch driving lever is arranged corresponding to rope guarding plate pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158468.3A CN103910264B (en) | 2014-04-21 | 2014-04-21 | Detachable elevator governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158468.3A CN103910264B (en) | 2014-04-21 | 2014-04-21 | Detachable elevator governor |
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| Publication Number | Publication Date |
|---|---|
| CN103910264A CN103910264A (en) | 2014-07-09 |
| CN103910264B true CN103910264B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410158468.3A Active CN103910264B (en) | 2014-04-21 | 2014-04-21 | Detachable elevator governor |
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| CN (1) | CN103910264B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844737B (en) * | 2019-11-22 | 2024-04-26 | 宿州学院 | Elevator speed limiter |
| CN111498638A (en) * | 2020-05-22 | 2020-08-07 | 福州快科电梯工业有限公司 | Mechanical speed limiting protection device for elevator and working method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2326586Y (en) * | 1998-06-22 | 1999-06-30 | 张国颖 | Separable speed-limiter for elevator |
| CN2517716Y (en) * | 2001-11-23 | 2002-10-23 | 中国建筑科学研究院建筑机械化研究分院 | Wide area elevator governor |
| DE202012103917U1 (en) * | 2012-10-12 | 2012-11-25 | Wittur Deutschland Holding Gmbh | Noise-optimized speed limiter |
| CN203143862U (en) * | 2012-12-18 | 2013-08-21 | 上海吉亿电机有限公司 | Elevator speed limiter |
| CN203306869U (en) * | 2013-07-05 | 2013-11-27 | 宁波欧菱电梯配件有限公司 | Novel one-way speed limiter with movement testing and driving mechanism |
| CN203922359U (en) * | 2014-04-21 | 2014-11-05 | 广东省汕尾市特种设备检验所 | Detachable elevator governor |
-
2014
- 2014-04-21 CN CN201410158468.3A patent/CN103910264B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2326586Y (en) * | 1998-06-22 | 1999-06-30 | 张国颖 | Separable speed-limiter for elevator |
| CN2517716Y (en) * | 2001-11-23 | 2002-10-23 | 中国建筑科学研究院建筑机械化研究分院 | Wide area elevator governor |
| DE202012103917U1 (en) * | 2012-10-12 | 2012-11-25 | Wittur Deutschland Holding Gmbh | Noise-optimized speed limiter |
| CN203143862U (en) * | 2012-12-18 | 2013-08-21 | 上海吉亿电机有限公司 | Elevator speed limiter |
| CN203306869U (en) * | 2013-07-05 | 2013-11-27 | 宁波欧菱电梯配件有限公司 | Novel one-way speed limiter with movement testing and driving mechanism |
| CN203922359U (en) * | 2014-04-21 | 2014-11-05 | 广东省汕尾市特种设备检验所 | Detachable elevator governor |
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| CN103910264A (en) | 2014-07-09 |
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Address after: 516600 Quality Supervision Building on Northwest Side of Xiamen Section, Jinhu Road, Shanwei City, Guangdong Province Patentee after: Guangdong special equipment inspection and Research Institute Shanwei Inspection Institute Address before: 516600 5 floor, Quality Supervision Bureau building, Jinhu Road, Shanwei, Guangdong. Patentee before: GUANGDONG SHANWEI INSTITUTE OF SPECIAL EQUIPMENT INSPECTION |
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