CN103434910A - Elevator with gradual type anti-falling safety device - Google Patents
Elevator with gradual type anti-falling safety device Download PDFInfo
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- CN103434910A CN103434910A CN2013103558513A CN201310355851A CN103434910A CN 103434910 A CN103434910 A CN 103434910A CN 2013103558513 A CN2013103558513 A CN 2013103558513A CN 201310355851 A CN201310355851 A CN 201310355851A CN 103434910 A CN103434910 A CN 103434910A
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- elevator
- speed limit
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- steel rope
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Abstract
The invention discloses an elevator with a gradual type anti-falling safety device. The elevator comprises a frame body, a lifting cage guide rail and a lifting cage, the elevator further comprises a signal steel wire rope, a counter weight, a speed-limiting trigger and safety tongs, and the speed-limiting trigger and the safety tongs are mounted on the top of the lifting cage. The speed-limiting trigger comprises a speed measuring wheel and a trigger winding drum, one end of the signal steel wire rope is connected with the top of the frame body, the other end of the signal steel wire rope winds around the speed measuring wheel of the speed-limiting trigger and then is connected with the counter weight, and the trigger winding drum of the speed-limiting trigger acts to trigger the safety tongs to clamp the lifting cage guide rail. The elevator is safe and reliable, can clamp the lifting cage or a lift car which stalls and falls on the guide rail, effectively prevents falling safety accidents, and guarantees personal safety of staff; machining precision is low, material cost is lowered, and mounting and overhaul are safe and convenient. The elevator with the gradual type anti-falling safety device is good in performance and widely applied to the construction machinery industry.
Description
Technical field
The present invention relates to lifting weight-lifting equipment safety method field, particularly a kind of elevator with gradual anti-falling safety device.
Background technology
Building hoist for building is used for vertical-lift transportation building material, and cost performance is high, inexpensive, and the building hoist of old money does not generally all have speed-limiting protection and anti-falling protection, has potential safety hazard.In recent years, relevant government department has proposed speed-limiting protection and falling-proof safety will be installed on building hoist, and performance and the safety of building hoist are had higher requirement.
Tradition relies on the velocity limiter of wire rope transfers signal must be installed on the top of Frame of elevator, the signal steel rope of velocity limiter is worn around being the locked coil rope system, the power resources that trigger the safety tongs action make steel rope and fifth wheel form certain friction force in the deadweight of weight, are decided by the deadweight of weight as the size of the friction force that pulls safety tongs.When the cage (car) of elevator exceeds the speed limit, velocity limiter is by the signal steel rope stop of synchronized operation, and the cage continuation is descending will pull safety tongs action stop cage.The speed limit binary pair that wherein used must be installed on the top of Frame of elevator, and the danger that there is aloft work in the speed limit binary pair is installed at building construction hoist support body top, also is unfavorable for installing and maintenance and inspection.
Tradition also has the speed limit binary pair of the electronic type that is arranged on the sampling of lifter motor place, because velocity of electrons detects the high strong interference affects that easily is subject to industrial environment, move reliable and stablely not, cause the electronic speed limit binary pair by national security superintendent office, do not accepted and approve.
Summary of the invention
In order to solve above-mentioned technical matters, the purpose of this invention is to provide the elevator of a kind of safe and reliable, easy-to-install with gradual anti-falling safety device.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of elevator with gradual anti-falling safety device, comprise support body, cage guide rail and cage, also comprise signal steel rope, weight, be arranged on speed limit binary pair and the safety tongs at cage top, the speed limit binary pair comprises fifth wheel and triggers reel, signal steel rope one end is connected with the support body top, the signal steel rope other end is connected with weight after walking around the fifth wheel of speed limit binary pair, triggers safety tongs during the triggering reel action of speed limit binary pair and clamps the cage guide rail.
As further preferred embodiment of the present invention, the fifth wheel of described speed limit binary pair detects speed transfinites and to trigger the reel synchronization action.
As further preferred embodiment of the present invention, the fifth wheel of described speed limit binary pair is capstan winch.
As further preferred embodiment of the present invention, also comprise assembly pulley, described assembly pulley comprises the first pulley and the second pulley, signal steel rope one end is connected with the support body top, and the signal steel rope other end is connected with weight after walking around successively the fifth wheel, the second pulley of the first pulley, speed limit binary pair.
As further preferred embodiment of the present invention, also comprise the dropout steel rope, the triggering reel of described speed limit binary pair is connected with safety tongs by the dropout steel rope.
As further preferred embodiment of the present invention, while triggering the reel action, the tripping device of safety tongs is extracted and made its action clamp the cage guide rail.
As further preferred embodiment of the present invention, also comprise the weight guide rail, weight is arranged in the weight guide rail.
As further preferred embodiment of the present invention, the support body top is provided with the support body back timber, and signal steel rope one end is connected with the support body back timber.
As further preferred embodiment of the present invention, the triggering reel of described speed limit binary pair is replaceable be bull stick pull bar, connecting rod mechanism, cam mechanism any.
As further preferred embodiment of the present invention, described weight is replaceable is tension spring.
The invention has the beneficial effects as follows: 1. the present invention can make cage or the car of stall tenesmus be clamped on guide rail, has effectively prevented the safety misadventure of tenesmus, support personnel's personal safety; 2. because the accuracy requirement to guide rail is not high, can be applicable to shaped steel and make guide rail, reduce manufacturing cost, improve the competitiveness of product in market; 3. can alleviate weight 1/2 weight, reduce manufacturing cost; 4. reduce signal steel rope 1/2 length, reduce manufacturing cost; 5. the speed limit binary pair is installed on cage (car) top, need not be installed on the top of equipment, and installation, maintenance safety are conveniently.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is partial enlarged drawing of the present invention;
Fig. 3 is connecting rod Tiebar structure schematic diagram;
Fig. 4 is the cam mechanism structural representation.
The specific embodiment
See figures.1.and.2, a kind of elevator with gradual anti-falling safety device, comprise support body, cage guide rail 10 and cage 9, also comprise signal steel rope 2, weight 12, be arranged on speed limit binary pair 4 and the safety tongs 7 at cage 9 tops, speed limit binary pair 4 comprises fifth wheel 6 and triggers reel 3, signal steel rope 2 one ends are connected with the support body top, the fifth wheel 6 that signal steel rope 2 other ends are walked around speed limit binary pair 4 is connected with weight 12 afterwards, and the triggering reel 3 of speed limit binary pair 4 triggers safety tongs 7 while moving and clamps cage guide rail 10.
As further preferred embodiment of the present invention, the fifth wheel 6 of described speed limit binary pair 4 detects speed transfinites and to trigger reel 3 synchronization actions.
As further preferred embodiment of the present invention, the fifth wheel 6 of described speed limit binary pair 4 is capstan winch.
As further preferred embodiment of the present invention, also comprise assembly pulley 8, described assembly pulley 8 comprises the first pulley and the second pulley, signal steel rope 2 one ends are connected with the support body top, and signal steel rope 2 other ends are connected with weight 12 after walking around successively the fifth wheel 6, the second pulley of the first pulley, speed limit binary pair 4.
As further preferred embodiment of the present invention, also comprise dropout steel rope 5, the triggering reel 3 of described speed limit binary pair 4 is connected with safety tongs 7 by dropout steel rope 5.
As further preferred embodiment of the present invention, while triggering reel 3 action, the tripping device of safety tongs 7 is extracted and made its action clamp cage guide rail 10.
As further preferred embodiment of the present invention, also comprise weight guide rail 11, weight 12 is arranged in weight guide rail 11.
As further preferred embodiment of the present invention, the support body top is provided with support body back timber 1, and signal steel rope 2 one ends are connected with support body back timber 1.
As further preferred embodiment of the present invention, the triggering reel 3 of described speed limit binary pair 4 is replaceable be bull stick pull bar, connecting rod mechanism, cam mechanism any.
As further preferred embodiment of the present invention, described weight 12 is replaceable is tension spring.
As further preferred embodiment of the present invention, described cage 9 tops are equipped with two or more safety tongss 7.
As further preferred embodiment of the present invention, the triggering reel of described speed limit binary pair 43 by two or more dropout steel rope 5 respectively with the corresponding connection of two or more safety tongss 7.
The invention provides a kind of elevator with gradual anti-falling safety device, have advantages of and can alleviate weight 1/2 weight and can reduce signal steel rope 1/2 length, the speed limit binary pair only need be installed on cage (car) top, when cage (car) hypervelocity is fallen, can make cage steadily reliably stop do not passing through on accurately machined shaped steel guide rail.
Elevator of the present invention, with anti-falling safety device, comprises support body back timber 1, signal steel rope 2, triggers reel 3, speed limit binary pair 4, dropout steel rope 5, fifth wheel 6, safety tongs 7, sister block group 8, cage 9, cage guide rail 10, weight guide rail 11 and weight 12.The steel rope that described signal steel rope 2 is a tension, when cage or car 9 do risings and descending motion, fifth wheel 6 relative signal steel ropes 2 rotate the speed signal that extracts cage or car 9 motions, it is worn around mode is that an end is fixed on support body back timber 1, the other end is fixed on weight 12 after walking around successively the another one pulley of one of them pulley of the sister block group 8 that is installed on cage or car 9 tops, the traction sheave 6 that tests the speed, sister block group 8, by the deadweight tension whole piece signal steel rope 2 of weight 12.Described speed limit binary pair 4 is installed on cage or car 9 tops, when cage or car do to rise and during descending motion fifth wheel relative signal steel rope rotate the speed signal that extracts cage or car movement and be input in the speed limit binary pair, trigger reel 3 action output trigger actions when tested the speed degree exceeds while establishing speed to drive; Fill two dropout steel ropes 5 on described triggering reel 3, when triggering reel 3 action, coiling dropout steel rope 5 is extracted the tripping device of safety tongs 7 to make its action clamp guide rail 10 stop cages or car prevents from falling.
Be further used as preferred embodiment, comprise that the weight of tension signal steel rope can change tension spring into.
With reference to Fig. 3 and Fig. 4, be further used as preferred embodiment, the triggering reel 3 that comprises speed limit binary pair 4 can change into bull stick pull bar mode, connecting rod mechanism or cam mechanism any.
When tested the speed degree exceeds while establishing speed, the speed limit binary pair drives elevator of the present invention triggers reel action coiling dropout steel rope the tripping device of safety tongs is extracted and made its action clamp guide rail, stop cage or car prevent from falling, after the voussoir of described safety tongs clamping guide rail is removed the restriction of trigger mechanism, respectively by the pulling force of two tension springs, the instantaneous clip position that independently enters separately of the voussoir of two safety tongss.The present invention make cage steadily reliably stop not passing through on accurately machined shaped steel guide rail, play good safety protection function.
Triggering reel of the present invention can pull the modes such as mode, bull stick pull bar mode or connecting rod mechanism for reel, other modes with the transmission device function all should be considered as equivalents of the present invention, should be included in the scope of patent protection of the present invention.
The device that the present invention strains the signal steel rope can be weight, also can, for other modes with tense wire rope such as tension spring substitute weight, all should be considered as, to equivalents of the present invention, should being included in the scope of patent protection of the present invention.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (10)
1. the elevator with gradual anti-falling safety device, comprise support body, cage guide rail (10) and cage (9), it is characterized in that: also comprise signal steel rope (2), weight (12), be arranged on speed limit binary pair (4) and the safety tongs (7) at cage (9) top, speed limit binary pair (4) comprises fifth wheel (6) and triggers reel (3), signal steel rope (2) one ends are connected with the support body top, the fifth wheel (6) that signal steel rope (2) other end is walked around speed limit binary pair (4) is connected with weight (12) afterwards, trigger safety tongs (7) when the triggering reel (3) of speed limit binary pair (4) moves and clamp cage guide rail (10).
2. a kind of elevator with gradual anti-falling safety device according to claim 1 is characterized in that: fifth wheel (6) speed of detecting of described speed limit binary pair (4) transfinites and triggers reel (3) synchronization action.
3. a kind of elevator with gradual anti-falling safety device according to claim 2, it is characterized in that: the fifth wheel (6) of described speed limit binary pair (4) is capstan winch.
4. a kind of elevator with gradual anti-falling safety device according to claim 2, it is characterized in that: also comprise assembly pulley (8), described assembly pulley (8) comprises the first pulley and the second pulley, signal steel rope (2) one ends are connected with the support body top, and signal steel rope (2) other end is connected with weight (12) after walking around successively the fifth wheel (6), the second pulley of the first pulley, speed limit binary pair (4).
5. according to the described a kind of elevator with gradual anti-falling safety device of claim 3 or 4, it is characterized in that: also comprise dropout steel rope (5), the triggering reel (3) of described speed limit binary pair (4) is connected with safety tongs (7) by dropout steel rope (5).
6. a kind of elevator with gradual anti-falling safety device according to claim 5, is characterized in that: while triggering reel (3) action, the tripping device of safety tongs (7) is extracted and made its action clamp cage guide rail (10).
7. a kind of elevator with gradual anti-falling safety device according to claim 6, it is characterized in that: also comprise weight guide rail (11), weight (12) is arranged in weight guide rail (11).
8. a kind of elevator with gradual anti-falling safety device according to claim 7, it is characterized in that: the support body top is provided with support body back timber (1), and signal steel rope (2) one ends are connected with support body back timber (1).
9. a kind of elevator with gradual anti-falling safety device according to claim 1 and 2 is characterized in that: the triggering reel (3) of described speed limit binary pair (4) replaceable for bull stick pull bar, connecting rod mechanism, cam mechanism any.
10. a kind of elevator with gradual anti-falling safety device according to claim 1 and 2 is characterized in that: described weight (12) is replaceable is tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103558513A CN103434910A (en) | 2013-08-12 | 2013-08-12 | Elevator with gradual type anti-falling safety device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103558513A CN103434910A (en) | 2013-08-12 | 2013-08-12 | Elevator with gradual type anti-falling safety device |
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| CN103434910A true CN103434910A (en) | 2013-12-11 |
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| CN2013103558513A Pending CN103434910A (en) | 2013-08-12 | 2013-08-12 | Elevator with gradual type anti-falling safety device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314509A (en) * | 2014-06-08 | 2016-02-10 | 中国水利水电第十二工程局有限公司 | Safe transport traction device for perpendicular construction of vertical shaft |
| CN105947825A (en) * | 2016-06-23 | 2016-09-21 | 联盟电梯（苏州）有限公司 | Elevator speed limiting device |
| CN109592540A (en) * | 2019-01-05 | 2019-04-09 | 山东奔速电梯股份有限公司 | A kind of driving villa elevator of no hoistway pressure |
Citations (6)
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|---|---|---|---|---|
| JP2009067494A (en) * | 2007-09-11 | 2009-04-02 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator car holding device |
| CN201494981U (en) * | 2009-05-14 | 2010-06-02 | 郑州市鑫宇机械制造有限公司 | Traction type construction elevator and gradual anti-falling safety device thereof |
| CN202030411U (en) * | 2011-04-21 | 2011-11-09 | 赵敬贤 | Gradual anti-falling safety device |
| CN202369226U (en) * | 2011-12-08 | 2012-08-08 | 安徽丰海起重设备制造有限公司 | Anti-fall safety device of elevator |
| JP2012158440A (en) * | 2011-02-01 | 2012-08-23 | Toshiba Elevator Co Ltd | Elevator |
| CN203461653U (en) * | 2013-08-12 | 2014-03-05 | 谭锦泉 | Elevator with gradual type anti-falling safety device |
-
2013
- 2013-08-12 CN CN2013103558513A patent/CN103434910A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009067494A (en) * | 2007-09-11 | 2009-04-02 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator car holding device |
| CN201494981U (en) * | 2009-05-14 | 2010-06-02 | 郑州市鑫宇机械制造有限公司 | Traction type construction elevator and gradual anti-falling safety device thereof |
| JP2012158440A (en) * | 2011-02-01 | 2012-08-23 | Toshiba Elevator Co Ltd | Elevator |
| CN202030411U (en) * | 2011-04-21 | 2011-11-09 | 赵敬贤 | Gradual anti-falling safety device |
| CN202369226U (en) * | 2011-12-08 | 2012-08-08 | 安徽丰海起重设备制造有限公司 | Anti-fall safety device of elevator |
| CN203461653U (en) * | 2013-08-12 | 2014-03-05 | 谭锦泉 | Elevator with gradual type anti-falling safety device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314509A (en) * | 2014-06-08 | 2016-02-10 | 中国水利水电第十二工程局有限公司 | Safe transport traction device for perpendicular construction of vertical shaft |
| CN105947825A (en) * | 2016-06-23 | 2016-09-21 | 联盟电梯（苏州）有限公司 | Elevator speed limiting device |
| CN109592540A (en) * | 2019-01-05 | 2019-04-09 | 山东奔速电梯股份有限公司 | A kind of driving villa elevator of no hoistway pressure |
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Application publication date: 20131211 |