CN102992134B - Protection device using guide pulley on lift - Google Patents
Protection device using guide pulley on lift Download PDFInfo
- Publication number
- CN102992134B CN102992134B CN201210513926.1A CN201210513926A CN102992134B CN 102992134 B CN102992134 B CN 102992134B CN 201210513926 A CN201210513926 A CN 201210513926A CN 102992134 B CN102992134 B CN 102992134B
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- CN
- China
- Prior art keywords
- adjusting wheel
- track adjusting
- ratchet
- elevator
- lift
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Abstract
The invention discloses a protection device using a guide pulley on a lift. A throwing block moves in a guide groove on the guide pulley with the improvement of an operation speed of the lift, so that the throwing block departs from the center of the guide pulley under the effect of a centrifugal force, and an electric security switch is triggered. A push rod extends to push a pawl; the pawl is clamped with a ratchet wheel; and the ratchet wheel and the guide pulley stop rotating. A connecting rod is lifted and pulled by a lift security mechanism through a controller under the effect of a speed measuring switch with the further improvement of the operation speed of the lift, so that a rope clamp tightly clamps a hoist rope, a lift car is enforced to stop, and the over-speed protection is realized. Compared with the conventional over-speed governor, the protection device using the guide pulley has the advantages of simple structure and small size; the well space is saved; the use ratio of the well space is improved; and meanwhile, the cost is saved, and the convenience in installation and maintenance can be realized.
Description
Technical field
the present invention relates to utilize on a kind of elevator the fender guard of track adjusting wheel.
Background technology
in prior art, the overspeed protection of elevator realizes by velocity limiter.The structure of velocity limiter is very complicated, and volume is very large, causes hoistway degree of utilization low.
Summary of the invention
the object of this invention is to provide the overspeed protection device that utilizes track adjusting wheel to realize that can substitute velocity limiter on a kind of elevator.
for achieving the above object, the technical solution used in the present invention is: the fender guard that utilizes track adjusting wheel on a kind of elevator, the hoist ropes of elevator is walked around described track adjusting wheel downwards, the described fender guard of track adjusting wheel that utilizes comprises and the co-axially fixed ratchet of described track adjusting wheel, be opened in the guide groove on the radial surface of described track adjusting wheel, thereby be arranged in described guide groove to be subject to centrifugal action in described guide groove, to make the piece that gets rid of of centrifugal motion when described track adjusting wheel rotation, described in being arranged on, rotation gets rid of the ratchet of forbidding this ratchet rotation in the teeth groove that can insert described ratchet on piece, thereby the piece that gets rid of that has the push rod that can stretch out and can be made centrifugal motion touches the electric safety switch that described push rod is stretched out promote in teeth groove that described ratchet inserts described ratchet, can measure the speed measurement switch of the kinematic velocity of described hoist ropes, thereby can clamp the wire holder of described hoist ropes stop elevator car, thereby when the hoist ropes kinematic velocity value that can measure at described speed measurement switch is greater than setting value, controlling elevator safety mechanism lifts connecting rod and makes described wire holder clamp the controller of described hoist ropes.
described track adjusting wheel is car sheave or counterweight sheave.
utilization due to technique scheme; the present invention compared with prior art has following advantages: the fender guard that this utilizes track adjusting wheel is set; along with the raising of elevator speed; getting rid of piece can move in the guide groove in track adjusting wheel; be subject to centrifugal action away from track adjusting wheel center, thereby trigger electric safety switch, make push rod stretch out promotion ratchet; ratchet blocks ratchet, and ratchet and track adjusting wheel are stopped the rotation.Along with the further raising of elevator speed, speed measurement switch effect, make elevator safety mechanism lift connecting rod, thereby wire holder clamps hoist ropes by controller, and stop car, realizes overspeed protection.With respect to existing velocity limiter, this utilizes the fender guard of track adjusting wheel simple in structure, and volume is little, has saved hoistway space, has improved the degree of utilization of hoistway space, also saves cost simultaneously, is convenient to installation and maintenance.
Accompanying drawing explanation
accompanying drawing 1 is schematic diagram of the present invention.
The specific embodiment
below in conjunction with accompanying drawing, further set forth structure of the present invention.
shown in Figure 1, the hoist ropes 10 of elevator is walked around track adjusting wheel 2 downwards, and track adjusting wheel 2 is car sheave or counterweight sheave.On elevator, utilize the fender guard of track adjusting wheel, thereby comprise with the co-axially fixed ratchet 6 of track adjusting wheel 2, be opened in guide groove on the radial surface of track adjusting wheel 2, be arranged on getting rid of piece 5, rotate and be arranged on ratchet 1, the electric safety switch 4 with the push rod 7 that can stretch out, the speed measurement switch 3 that can measure the kinematic velocity of hoist ropes 10 getting rid of on piece 5, wire holder 8, the controller that can clamp hoist ropes 10 stop elevator cars in guide groove.When elevator normally moves, hoist ropes 10 can drive track adjusting wheel 2 to do corresponding rotation, raising along with the running velocity of elevator, correspondingly, the rotative speed of track adjusting wheel 2 also can improve, get rid of like this piece 5 and can under centrifugal action, in guide groove, make centrifugal motion, center away from track adjusting wheel 2, piece 5 meetings of getting rid of of making centrifugal motion trigger electric safety switch 4, the push rod 7 of electric safety switch 4 can stretch out like this, promote ratchet 1, ratchet 1 is inserted in the teeth groove of ratchet 6, forbid this ratchet 6 rotations, because track adjusting wheel 2 is co-axially fixed with ratchet 6, track adjusting wheel 2 also can be prohibited to rotate, if now elevator still moves, hoist ropes 10 can skid in track adjusting wheel 2.Further raising along with elevator speed; when the hoist ropes 10 kinematic velocity values that speed measurement switch 3 measures are greater than setting value, controller can be controlled elevator safety mechanism and lift connecting rod 9, thereby makes wire holder 8 clamp hoist ropes; stop is lived car, has realized the overspeed protection of elevator operation.
this utilizes the fender guard of track adjusting wheel, can substitute existing velocity limiter and carry out elevator overspeed protecting, and this utilizes the fender guard of track adjusting wheel simple in structure; compactness, volume is little, has saved hoistway space; improved the degree of utilization of hoistway space, also saved cost, be convenient to installation and maintenance simultaneously.
Claims (2)
1. on an elevator, utilize the fender guard of track adjusting wheel, the hoist ropes of elevator is walked around described track adjusting wheel downwards, it is characterized in that: the described fender guard of track adjusting wheel that utilizes comprises and the co-axially fixed ratchet of described track adjusting wheel, be opened in the guide groove on the radial surface of described track adjusting wheel, thereby be arranged in described guide groove to be subject to centrifugal action in described guide groove, to make the piece that gets rid of of centrifugal motion when described track adjusting wheel rotation, described in being arranged on, rotation gets rid of the ratchet of forbidding this ratchet rotation in the teeth groove that can insert described ratchet on piece, thereby the piece that gets rid of that has the push rod that can stretch out and can be made centrifugal motion touches the electric safety switch that described push rod is stretched out promote in teeth groove that described ratchet inserts described ratchet, can measure the speed measurement switch of the kinematic velocity of described hoist ropes, thereby can clamp the wire holder of described hoist ropes stop elevator car, thereby when the hoist ropes kinematic velocity value that can measure at described speed measurement switch is greater than setting value, controlling elevator safety mechanism lifts connecting rod and makes described wire holder clamp the controller of described hoist ropes.
2. on elevator according to claim 1, utilize the fender guard of track adjusting wheel, it is characterized in that: described track adjusting wheel is car sheave or counterweight sheave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210513926.1A CN102992134B (en) | 2012-12-05 | 2012-12-05 | Protection device using guide pulley on lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210513926.1A CN102992134B (en) | 2012-12-05 | 2012-12-05 | Protection device using guide pulley on lift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102992134A CN102992134A (en) | 2013-03-27 |
| CN102992134B true CN102992134B (en) | 2014-08-20 |
Family
ID=47921349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210513926.1A Active CN102992134B (en) | 2012-12-05 | 2012-12-05 | Protection device using guide pulley on lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102992134B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332899B (en) * | 2020-03-17 | 2024-01-05 | 龙闯智能科技(浙江)有限公司 | Safety braking device of elevator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652898Y (en) * | 2003-07-22 | 2004-11-03 | 宁波欣达电梯配件厂 | General two-way speed limiter |
| CN2771159Y (en) * | 2005-03-08 | 2006-04-12 | 宁波申菱电梯配件有限公司 | Two-way speed limitelr for elevator |
| JP4868807B2 (en) * | 2005-09-21 | 2012-02-01 | 東芝エレベータ株式会社 | Elevator governor |
| CN2923627Y (en) * | 2006-01-25 | 2007-07-18 | 周友仁 | Guide-wheel speed-limiting device |
| CN101301976B (en) * | 2008-07-07 | 2011-06-29 | 西子奥的斯电梯有限公司 | Integrated security device of elevator |
| JP2012006707A (en) * | 2010-06-24 | 2012-01-12 | Mitsubishi Electric Corp | Elevator device |
| EP2602222A1 (en) * | 2010-08-06 | 2013-06-12 | Mitsubishi Electric Corporation | Elevator speed governor |
| CN202988465U (en) * | 2012-12-05 | 2013-06-12 | 江南嘉捷电梯股份有限公司 | Protector with guide pulley capable of being used on elevator |
-
2012
- 2012-12-05 CN CN201210513926.1A patent/CN102992134B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102992134A (en) | 2013-03-27 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180420 Address after: 215122 Suzhou Industrial Park, Suzhou Province, the only new road, No. 28, Jiangsu Patentee after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu Address before: 718 No. 215122 Jiangsu Province, Suzhou City Industrial Park Fengting Avenue Patentee before: SJEC Corporation |