CN103274275A - Device preventing lift car from moving by accident - Google Patents
Device preventing lift car from moving by accident Download PDFInfo
- Publication number
- CN103274275A CN103274275A CN2013101507201A CN201310150720A CN103274275A CN 103274275 A CN103274275 A CN 103274275A CN 2013101507201 A CN2013101507201 A CN 2013101507201A CN 201310150720 A CN201310150720 A CN 201310150720A CN 103274275 A CN103274275 A CN 103274275A
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- clamp
- stopper
- movable clamp
- lift
- elevator
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Abstract
The invention discloses a device preventing a lift car from moving by accident. When a lift traction machine brakes to stop a traction wheel, or when the lift traction machine stops braking and a lift landing door opens, a movable clamping block and an opening and closing clamping block clamp a hoist rope; when the lift traction machine stops braking and the lift landing door closes, the movable clamping block and the opening and closing clamping block loosen the hoist rope. The device preventing the lift car from moving by accident is simple in structure, a safety protection function of the lift is added, the lift is prevented from moving by accident in an idle state or in re-leveling, and therefore shearing, injuring caused by falling down and other accidents happening to people are avoided.
Description
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Technical field
The present invention relates to a kind of involuntary mobile device of lift car that prevents.
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Background technology
In the existing elevator, when car exceeded the speed limit, the clamp that can touch wire holder clamped steel rope, stoped the motion of car.But for the under static state or more involuntary movement during flat bed of car, but not effect can cause safety misadventure like this.
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Summary of the invention
The purpose of this invention is to provide a kind of involuntary mobile device of lift car that prevents, increase the safety guard-safeguard of elevator, avoid having an accident.
For achieving the above object, the technical solution used in the present invention is: a kind of involuntary mobile device of lift car that prevents, comprise and be fixed in the elevator(lift) machine room or be fixed on mount pad on the mounting rail of elevator hoistways, be fixedly installed on the stopper on the described mount pad, the movable clamp that can move up and down with respect to described stopper, be arranged on the elastic component that described movable clamp elastic-restoring force can be provided between described movable clamp and described stopper or the described mount pad, can carry out the folding clamp of open and close movement with respect to described movable clamp, the grasping part that passes for hoist ropes is arranged between described folding clamp and the described movable clamp, the stop part that can forbid that described movable clamp excessively moves down or moves up is arranged on the described stopper, when elevator traction machine band-type brake stop traction sheave, perhaps the elevator traction machine band-type brake unclamps and elevator door when opening, and described movable clamp and described folding clamp clamp described hoist ropes; Unclamp and elevator door when closing at the elevator traction machine band-type brake, described movable clamp and described folding clamp unclamp described hoist ropes.
During concrete enforcement, described movable clamp has cavity, the guide rod that extends is along the vertical direction fixedly arranged on the chamber wall of this cavity, described stopper is arranged in described cavity, the upper and lower end parts of described stopper has formed described stop part, described stopper or described mount pad are enclosed within on the described guide rod, described elastic component comprises the upper spring unit between the epicoele wall of the top and described cavity that is arranged on described stopper or described mount pad, be arranged on the lower spring unit between the cavity of resorption wall of following and described cavity of described stopper or described mount pad, described upper spring unit, described lower spring unit all is enclosed within on the described guide rod.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage: this prevents in the involuntary mobile device of lift car, when elevator traction machine band-type brake stop traction sheave, car stops, movable clamp and folding clamp clamp hoist ropes, this moment, involuntary movement if took place in lift car, then steel rope can be with movable clamp mobile together, and stopper is fixed, then the stop part on the stopper can be forbidden the excessive movement of movable clamp, cause the involuntary movement of lift car can only be within the specific limits, thereby play a protective role; Unclamp and elevator door when opening at the elevator traction machine band-type brake, elevator is in flat bed state again, this moment, movable clamp and folding clamp clamped steel rope, the lift car movement of flat bed again makes clamp move with steel rope, same clamp can only move within the specific limits, surpasses this scope, and then the stop part on the stopper can conflict activity clamp, stop the movement of steel rope, play the effect that stops involuntary movement when reaching again the purpose of flat bed.This prevents that the involuntary mobile device of lift car is simple in structure, increased the safety protection function of elevator, has prevented elevator under static state or the involuntary movement during flat bed again, accidents such as the shearing of pre-anti-personnel, tumble injury.
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Description of drawings
Accompanying drawing 1 is looked scheme drawing for master of the present invention;
Accompanying drawing 2 is schematic side view of the present invention.
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The specific embodiment
Further set forth structure of the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1-2, a kind of involuntary mobile device of lift car that prevents, improve the folding clamp 3 that comprises the movable clamp 2 that is fixed in the elevator(lift) machine room or is fixed on mount pad 1 on the mounting rail of elevator hoistways, is fixedly installed on stopper 4 on the mount pad 1, can move up and down with respect to stopper 4, is arranged on elastic component that movable clamp 2 elastic-restoring forces can be provided between movable clamp 2 and stopper 4 or the mount pad 1, can carry out open and close movement with respect to movable clamp 2 at existing wire holder.In Fig. 1, the grasping part 8 that passes for hoist ropes is arranged between folding clamp 3 and the movable clamp 2, the stop part that can forbid that movable clamp 2 excessively moves down or moves up is arranged on the stopper 4.In Fig. 1, movable clamp 2 has cavity 9, the guide rod 5 that extends is along the vertical direction fixedly arranged on the chamber wall of this cavity 9, stopper 4 is arranged in cavity 9, the upper and lower end parts of stopper 4 has formed above-mentioned stop part, stopper 4 or mount pad 1 are enclosed within on the guide rod 5, come moving up and down of boot activity clamp 2 by guide rod 5, and the upper and lower end parts of stopper 4 has limited the miles of relative movement of movable clamp 2.Upper spring unit 6 between the epicoele wall that the elastic component of movable clamp 2 elastic-restoring forces comprises the top and cavity 9 that is arranged on stopper 4 or mount pad 1 can be provided, be arranged on the lower spring unit 7 between the cavity of resorption wall of following and cavity 9 of stopper 4 or mount pad 1, upper spring unit 6, lower spring unit 7 all are enclosed within on the guide rod 5, resetting after moving for movable clamp 2.When elevator traction machine band-type brake stop traction sheave, perhaps the elevator traction machine band-type brake unclamps and elevator door when opening, and movable clamp 2 clamps hoist ropes with folding clamp 3; Unclamp and elevator door when closing at the elevator traction machine band-type brake, movable clamp 2 unclamps hoist ropes with folding clamp 3.When using this and prevent the involuntary mobile device of lift car, suppose that the towing machine band-type brake opens, when layer door was closed, elevator was in mobile status, and this moment, movable clamp 2 and folding clamp 3 unclamped hoist ropes, and elevator can normally move.Behind Elevator landing; the towing machine band-type brake is closed; be the stop traction sheave, car stops, and movable clamp 2 clamps steel rope with folding clamp 3; this moment, involuntary movement if took place in lift car; then steel rope can be with movable clamp 2 mobile together, and stopper 4 is fixed, and then the stop part on the stopper 4 can be forbidden the excessive movement of movable clamp 2; cause the involuntary movement of lift car can only be within the specific limits, thereby play a protective role.Lift car flat bed needs not in place are flat bed again, the towing machine band-type brake unclamps, and when layer door opened, elevator was in flat bed state again, this moment, movable clamp 2 clamped steel rope with folding clamp 3, and the lift car movement of flat bed again makes clamp 2 and 3 move with steel rope.Under the effect of elastic component and guide rod 5, clamp 2 and 3 can only move within the specific limits, surpasses this scope, and then the stop part on the stopper 4 can conflict activity clamp 2, stop the movement of steel rope, play the effect that stops involuntary movement when reaching again the purpose of flat bed.This prevents that the involuntary mobile device of lift car is simple in structure, increased the safety protection function of elevator, has prevented elevator under static state or the involuntary movement during flat bed again, accidents such as the shearing of pre-anti-personnel, tumble injury.
Claims (2)
1. one kind prevents the involuntary mobile device of lift car, it is characterized in that: comprise being fixed in the elevator(lift) machine room or being fixed on mount pad on the mounting rail of elevator hoistways, be fixedly installed on the stopper on the described mount pad, the movable clamp that can move up and down with respect to described stopper, be arranged on the elastic component that described movable clamp elastic-restoring force can be provided between described movable clamp and described stopper or the described mount pad, can carry out the folding clamp of open and close movement with respect to described movable clamp, the grasping part that passes for hoist ropes is arranged between described folding clamp and the described movable clamp, the stop part that can forbid that described movable clamp excessively moves down or moves up is arranged on the described stopper, when elevator traction machine band-type brake stop traction sheave, perhaps the elevator traction machine band-type brake unclamps and elevator door when opening, and described movable clamp and described folding clamp clamp described hoist ropes; Unclamp and elevator door when closing at the elevator traction machine band-type brake, described movable clamp and described folding clamp unclamp described hoist ropes.
2. a kind of involuntary mobile device of lift car that prevents according to claim 1, it is characterized in that: described movable clamp has cavity, the guide rod that extends is along the vertical direction fixedly arranged on the chamber wall of this cavity, described stopper is arranged in described cavity, the upper and lower end parts of described stopper has formed described stop part, described stopper or described mount pad are enclosed within on the described guide rod, described elastic component comprises the upper spring unit between the epicoele wall of the top and described cavity that is arranged on described stopper or described mount pad, be arranged on the lower spring unit between the cavity of resorption wall of following and described cavity of described stopper or described mount pad, described upper spring unit, described lower spring unit all is enclosed within on the described guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310150720.1A CN103274275B (en) | 2013-04-26 | 2013-04-26 | Device preventing lift car from moving by accident |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310150720.1A CN103274275B (en) | 2013-04-26 | 2013-04-26 | Device preventing lift car from moving by accident |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103274275A true CN103274275A (en) | 2013-09-04 |
| CN103274275B CN103274275B (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310150720.1A Active CN103274275B (en) | 2013-04-26 | 2013-04-26 | Device preventing lift car from moving by accident |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983961A (en) * | 1973-02-21 | 1976-10-05 | Elevators Pty. Limited | Transducer for servomechanisms |
| CN1699136A (en) * | 2004-05-21 | 2005-11-23 | 孙有发 | Elevator traction cable brake |
| KR100682039B1 (en) * | 2005-09-23 | 2007-02-12 | 주식회사 세아전기 | Two direction of rope brake for elevator |
| CN101357727A (en) * | 2007-08-01 | 2009-02-04 | 东芝电梯株式会社 | Elevator cage fixture mechanism |
| JP2009143663A (en) * | 2007-12-13 | 2009-07-02 | Toshiba Elevator Co Ltd | Vertical vibration control system of high floor elevator |
| CN102367131A (en) * | 2011-09-28 | 2012-03-07 | 快意电梯有限公司 | Clamping wire rope type protection device for preventing cage from accidently moving |
| CN203229287U (en) * | 2013-04-26 | 2013-10-09 | 江南嘉捷电梯股份有限公司 | Device for preventing accidental elevator car moving |
-
2013
- 2013-04-26 CN CN201310150720.1A patent/CN103274275B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983961A (en) * | 1973-02-21 | 1976-10-05 | Elevators Pty. Limited | Transducer for servomechanisms |
| CN1699136A (en) * | 2004-05-21 | 2005-11-23 | 孙有发 | Elevator traction cable brake |
| KR100682039B1 (en) * | 2005-09-23 | 2007-02-12 | 주식회사 세아전기 | Two direction of rope brake for elevator |
| CN101357727A (en) * | 2007-08-01 | 2009-02-04 | 东芝电梯株式会社 | Elevator cage fixture mechanism |
| JP2009143663A (en) * | 2007-12-13 | 2009-07-02 | Toshiba Elevator Co Ltd | Vertical vibration control system of high floor elevator |
| CN102367131A (en) * | 2011-09-28 | 2012-03-07 | 快意电梯有限公司 | Clamping wire rope type protection device for preventing cage from accidently moving |
| CN203229287U (en) * | 2013-04-26 | 2013-10-09 | 江南嘉捷电梯股份有限公司 | Device for preventing accidental elevator car moving |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103274275B (en) | 2015-03-18 |
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Effective date of registration: 20180503 Address after: 215122 28 Weixin Road, Suzhou Industrial Park, Suzhou, Jiangsu Patentee after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu Address before: 215122 No. 718 Ting Ting Road, Suzhou Industrial Park, Jiangsu Patentee before: SJEC Corporation |