CN203461653U - Elevator with gradual type anti-falling safety device - Google Patents
Elevator with gradual type anti-falling safety device Download PDFInfo
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- CN203461653U CN203461653U CN201320499178.6U CN201320499178U CN203461653U CN 203461653 U CN203461653 U CN 203461653U CN 201320499178 U CN201320499178 U CN 201320499178U CN 203461653 U CN203461653 U CN 203461653U
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- elevator
- speed limit
- safety device
- steel rope
- binary pair
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Abstract
The utility model discloses an elevator with a gradual type anti-falling safety device. The elevator comprises a frame body, a lifting cage guide rail, a lifting cage, a signal steel wire rope, a counter weight, a speed-limiting trigger and safety tongs, wherein the speed-limiting trigger and the safety tongs are arranged 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, and 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; 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, guarantees the personal safety of staff, and is low in machining accuracy, and safe and convenient to install and maintain; the material cost is reduced. The elevator with the gradual type anti-falling safety device is good in performance, and is widely applied to the construction machinery industry.
Description
Technical field
The utility model 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 the performance of building hoist and safety 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 locked coil rope system, the power resources that trigger 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 that pulls the friction force of 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 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 speed limit binary pair exists aloft work is installed at building construction hoist support body top, is also 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 is easily subject to industrial environment, move reliable and stablely not, cause electronic speed limit binary pair Bu Bei national security superintendent office accept and approve.
Utility model content
In order to solve above-mentioned technical matters, the purpose of this utility model is to provide a kind of safe and reliable, easy-to-install with the elevator of gradual anti-falling safety device.
The utility model solves the technical scheme that its technical matters adopts:
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, speed limit binary pair comprises fifth wheel and triggers reel, signal steel rope one end is connected with 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 and clamp cage guide rail during the triggering reel action of speed limit binary pair.
As the utility model further preferred embodiment, the fifth wheel of described speed limit binary pair detects speed transfinites and to trigger reel synchronization action.
As the utility model further preferred embodiment, the fifth wheel of described speed limit binary pair is capstan winch.
As the utility model further preferred embodiment, also comprise assembly pulley, described assembly pulley comprises the first pulley and the second pulley, signal steel rope one end is connected with 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 the utility model further preferred embodiment, also comprise dropout steel rope, the triggering reel of described speed limit binary pair is connected with safety tongs by dropout steel rope.
As the utility model further preferred embodiment, while triggering reel action, the tripping device of safety tongs is extracted and made its action clamp cage guide rail.
As the utility model further preferred embodiment, also comprise weight guide rail, weight is arranged in weight guide rail.
As the utility model further preferred embodiment, support body top is provided with support body back timber, and signal steel rope one end is connected with support body back timber.
As the utility model further preferred embodiment, the triggering reel of described speed limit binary pair is replaceable be bull stick pull bar, connecting rod mechanism, cam mechanism any.
As the utility model further preferred embodiment, described weight is replaceable is tension spring.
The beneficial effects of the utility model are: 1. the utility model 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. due to not high to the accuracy requirement of guide rail, 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. 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.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is partial enlarged drawing of the present utility model;
Fig. 3 is connecting rod Tiebar structure schematic diagram;
Fig. 4 is 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 end are connected with 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 the utility model further preferred embodiment, the fifth wheel 6 of described speed limit binary pair 4 detects speed transfinites and to trigger reel 3 synchronization actions.
As the utility model further preferred embodiment, the fifth wheel 6 of described speed limit binary pair 4 is capstan winch.
As the utility model further preferred embodiment, also comprise assembly pulley 8, described assembly pulley 8 comprises the first pulley and the second pulley, signal steel rope 2 one end are connected with 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 the utility model further preferred embodiment, 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 the utility model further preferred embodiment, while triggering reel 3 action, the tripping device of safety tongs 7 is extracted and made its action clamp cage guide rail 10.
As the utility model further preferred embodiment, also comprise weight guide rail 11, weight 12 is arranged in weight guide rail 11.
As the utility model further preferred embodiment, support body top is provided with support body back timber 1, and signal steel rope 2 one end are connected with support body back timber 1.
As the utility model further preferred embodiment, 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 the utility model further preferred embodiment, described weight 12 is replaceable is tension spring.
As the utility model further preferred embodiment, described cage 9 tops are provided with two or more safety tongss 7.
As the utility model further preferred embodiment, 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 utility model 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, 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.
The utility model elevator, 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.Described signal steel rope 2 is the steel rope of a tension, when cage or car 9 done to rise and during 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 one 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 speed limit binary pair, when tested the speed degree exceeds while establishing speed, drive and trigger reel 3 action output trigger actions; On described triggering reel 3, fill two dropout steel ropes 5, the dropout steel rope 5 of reeling when triggering reel 3 action 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, speed limit binary pair drives the utility model elevator 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, the voussoir of described safety tongs clamping guide rail is removed after the restriction of trigger mechanism, respectively by the pulling force of two tension springs, the instantaneous clip position that independently enters separately of voussoir of two safety tongss.The utility model 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 utility model can pull for reel the modes such as mode, bull stick pull bar mode or connecting rod mechanism; other modes with transmission device function all should be considered as equivalents of the present utility model, should be included in the scope of the utility model patent protection.
The device of the utility model tension signal steel rope can be weight; also can substitute weight for other modes with tense wire rope such as tension springs; all should be considered as, to equivalents of the present utility model, should being included in the scope of the utility model patent protection.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and 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 the utility model spirit, and the modification that these are equal to or replacement are all 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 end is connected with 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, the triggering reel (3) of speed limit binary pair (4) triggers safety tongs (7) while moving and clamps 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, 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 end is connected with 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 a kind of elevator with gradual anti-falling safety device described in 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, 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, is characterized in that: support body top is provided with support body back timber (1), and signal steel rope (2) one end is 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 |
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CN201320499178.6U CN203461653U (en) | 2013-08-12 | 2013-08-12 | Elevator with gradual type anti-falling safety device |
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CN201320499178.6U CN203461653U (en) | 2013-08-12 | 2013-08-12 | Elevator with gradual type anti-falling safety device |
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CN201320499178.6U Expired - Lifetime CN203461653U (en) | 2013-08-12 | 2013-08-12 | Elevator with gradual type anti-falling safety device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103434910A (en) * | 2013-08-12 | 2013-12-11 | 谭锦泉 | Elevator with gradual type anti-falling safety device |
CN104609281A (en) * | 2015-01-07 | 2015-05-13 | 苏州多美适家用电梯有限公司 | Domestic lift |
-
2013
- 2013-08-12 CN CN201320499178.6U patent/CN203461653U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103434910A (en) * | 2013-08-12 | 2013-12-11 | 谭锦泉 | Elevator with gradual type anti-falling safety device |
CN104609281A (en) * | 2015-01-07 | 2015-05-13 | 苏州多美适家用电梯有限公司 | Domestic lift |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170512 Address after: 529700, No. two, Desheng District, Taoyuan Town, Heshan, Guangdong, 17 Patentee after: Heshan Construction Machinery Factory Co.,Ltd. Address before: 529700 Heshan, Guangdong, Xinhua Road, No. 1303, room 168, Patentee before: Tan Jinquan |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140305 |