CN201089682Y - Device for detecting draw type elevator main steel wire rope abnormal relative elongation - Google Patents
Device for detecting draw type elevator main steel wire rope abnormal relative elongation Download PDFInfo
- Publication number
- CN201089682Y CN201089682Y CNU2007200733614U CN200720073361U CN201089682Y CN 201089682 Y CN201089682 Y CN 201089682Y CN U2007200733614 U CNU2007200733614 U CN U2007200733614U CN 200720073361 U CN200720073361 U CN 200720073361U CN 201089682 Y CN201089682 Y CN 201089682Y
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- elevator
- elevator main
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- normally closed
- utility
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Abstract
The utility model provides a device of synchronously and automatically back feeding an abnormal relative elongation detection of a main wire cable of a traction type elevator to make the elevator stop run. The utility model can be widely applied to traction type elevators. The abnormal relative elongation detecting device for the main wire cable of the traction type elevator is characterized in that the utility model comprises a normal close safety switch which is suspended on one side of a cable end combined pull rod of the elevator main wire cable and connected with an upper beam of an elevator top through a fixed bolster; and a switch touch panel which is clamped on the cable end combined pull rod of the elevator main wire cable and slightly contacted with a contact terminal of the safety switch. The abnormal relative elongation detecting device for the main wire cable of the traction type elevator of the utility model can make adjustment and arrangement according to the amount of the elevator main wire cables, thereby greatly improving the safety performance of the elevator, and completely meeting European standards.
Description
Technical field
The utility model relates to the detecting device of lift facility, specifically, relates to the unusual relative deformation detecting device of a kind of traction elevator main rope.
Background technology
At present, both at home and abroad the actuating device overwhelming majority of elevator all adopts traction-type, and this is because it has not only simplified the structure of device, can prevent that also elevator is out of control, car rush to summit or the squat cause of end accident.The principle that this traction-type drives is that traction sheave is processed into circular groove, both sides were separately fixed on car and the counterweight after steel rope was walked around traction sheave, like this under the state of both sides weight relative equilibrium, drive car by the friction force of steel rope and traction sheave circular groove and move up and down and work.
Many steel ropes of lift car traction steel-cable are in operation can produce the unbalanced situation of tension force, if great disparity is excessive, easily traction sheave is produced and destroys, accidents caused, therefore often will detect the stressed difference of steel rope.What the detection of steel wire rope tension was used is that spring balance adds ruler in the past, promptly hooks steel rope toward post-tensioning with spring balance, measures displacement with ruler then, can draw the Tension Difference between steel rope.This kind method deficiency be: the reading inconvenience, error is big because it is stressed bigger to certain position to pull steel rope, hand tremor is moving severe, just is difficult to reading with the displacement of the ruler amount of going, and inaccurate, error is big.
Chinese patent ZL02233877.2 provides a kind of elevator traction steel rope stressed poor force indicator, it is characterized in that, links up with the dynamometry sheet that connects, is attached to the dynamometry display circuit that the papery strain-gauge reaches and the papery strain-gauge the electrically connects formation on the dynamometry sheet; The dynamometry display circuit is electrically connected by power supply, detection, storage, control, conversion, display part and constitutes, wherein the test section connects formation as the electric bridge of an arm with IC (F007) by the papery strain-gauge, it connects with the storage area that LF (198) constitutes, control part is connected with travel switch and reset button by the relay with two groups of moving contacts and constitutes, it connects with storage area, storage area connects with the conversion portion that AD (571) constitutes, and conversion portion connects with the display part that ENDS (809A) constitutes.But it only can detect traction steel-cable and be in operation and can produce the unbalanced situation of tension force, can not stop the elevator operation when steel wire produces ANOMALOUS VARIATIONS, exists potential safety hazard.
The utility model content
The purpose of this utility model provides a kind of unusual relative deformation of traction elevator main rope that synchronously, automatically feeds back and detects and make elevator device out of service, can be widely used in the traction elevator.
The technical matters that the utility model solved can realize by the following technical solutions:
The unusual relative deformation detecting device of a kind of traction elevator main rope is characterized in that, comprising:
One is suspended at the normally closed safety switch of elevator main steel cable head composite braces one side, and it is put the beams in place with elevator cage by fixed support and links to each other;
One is clamped in the switch touch panel on the elevator main steel cable head composite braces, and the switch touch panel slightly contacts with the contact of normally closed safety switch.
In the utility model, bending edges flexibly connected outside described fixed support one end and elevator cage were put the beams in place, and the other end is fixed on the normally closed safety switch sidewall, so that adjust the relative position of safety switch and elevator main steel cable head composite braces.
For the ease of the contact tightness degree of adjusting switch touch panel with normally closed safety switch, described switch touch panel is fixed on the elevator main steel cable head composite braces by two clamp nuts.
Contact with safety switch well in order to be beneficial to the switch touch panel, elevator main steel cable head composite braces and normally closed safety switch preferably are in same perpendicular.
In the utility model; described normally closed safety switch is connected in the safety return circuit of elevator safety gear step switch by lead; when the elevator main steel cable abnormal elongation; safety edge presses safety switch downwards; safety switch is opened by normally closed often becoming, and the safety return circuit of safety tongs step switch has conducting to become disconnection, and elevator is then out of service; the protective effect of playing avoids occurring safety misadventure.
The unusual relative deformation detecting device of traction elevator main rope of the present utility model can be regulated configuration according to the quantity of elevator main steel cable, has improved the safety of elevator greatly, can satisfy European standard fully.
Description of drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a front elevation of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1 and Figure 2; the unusual relative deformation detecting device of a kind of traction elevator main rope; it is installed on the elevator cage upper beam 1, similar " several " font of elevator upper beam 1, and both sides are symmetrical structure; both sides of the edge are provided with flanging 11; elevator cage 1 inside top of putting the beams in place is provided with fag end yielding rubber 2, its can to elevator main steel cable stressed the buffering, the protection elevator main steel cable is not damaged; yielding rubber 2 has fag end composite braces 8, in order to pull and support elevator main steel cable.
The unusual relative deformation detecting device of traction elevator main rope of the present utility model comprises normally closed safety switch 6 and the switch touch panels 7 that contact slightly with the contact 61 of normally closed safety switch 6.Normally closed safety switch 6 is suspended at elevator main steel cable head composite braces 8 one sides by fixed support 5, fixed support 5 is " L " shape, the flanging 11 of its long leg one end and elevator cage upper beam 1 flexibly connects, in the present embodiment, be connected with flanging 11 with check screw 4 by guide rail geometrical clamp 3, short-leg one end extends into elevator cage 1 bottom of putting the beams in place, be positioned at a side of elevator main steel cable head composite braces 8, one sidewall of normally closed safety switch 6 is fixed on short-leg one end of fixed support 5, to be suspended at a side of elevator main steel cable head composite braces 8.
Switch touch panel 7 is provided with through hole (not signal), after through hole passes elevator main steel cable head composite braces 8, two clamp nuts 9 by clamping up and down are fixed on the elevator main steel cable head composite braces 8, because the position of clamp nut 9 can be regulated easily, so the contacting tightness degree and also can regulate easily of the contact 61 of switch touch panel and normally closed safety switch 6.Contact well with normally closed safety switch 6 for the ease of switch touch panel 7, elevator main steel cable head composite braces 8 preferably is in the same perpendicular with normally closed safety switch 6, because fixed support 5 flexibly connects with the flanging 11 of elevator cage upper beam 1, therefore the position of normally closed safety switch 6 is convenient to regulate.
Same mode is provided with switch touch panel 7 on elevator cage is put the beams in place each elevator main steel cable head composite braces 8 of 1 lower end, and the normally closed safety switch 6 that matches with switch touch panel 7, and then each normally closed safety switch 6 usefulness lead is connected in series in the residing safety return circuit of elevator safety gear step switch goes.Under normal condition, elevator main steel cable is stressed should to be that promptly the stressed of every main rope should be equal substantially uniformly, and the amount of compression of yielding rubber 2 is basic identical.That is to say that all normally closed safety switchs 6 and switch touch panel 7 all are under the slight state of contact; When certain root in the elevator main steel cable or a few abnormal elongations, its stressed meeting is littler than other main rope, and then by the characteristic of rubber as can be known, cooresponding yielding rubber 2 amount of compressions of stressed little main rope diminish.All be crushed on the same rigid plane (elevator cage put the beams in place 1 inboard) because of its upper end of all yielding rubbers 2 again, and normally closed safety switch 6 also for by rigidly fixing that support 5 is connected so on elevator cage is put the beams in place 1 the flanging 11, represent that switch touch panel 7 moves to normally closed safety switch 6 so yielding rubber 2 amount of compressions diminish.Because of switch touch panel 7 and normally closed safety switch 6 normal conditions for to contact slightly, then switch touch panel 7 moves normally closed safety switch 6 actions of triggering to normally closed safety switch 6, normally closed safety switch 6 will be by normally closed action for often opening, be that safety return circuit becomes disconnection by conducting, elevator is out of service, has therefore realized detecting the relative abnormal elongation of main rope and making elevator function out of service.
More than show and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. the unusual relative deformation detecting device of traction elevator main rope is characterized in that, comprising:
One is suspended at the normally closed safety switch of elevator main steel cable head composite braces one side, and it is put the beams in place with elevator cage by fixed support and links to each other;
One is clamped in the switch touch panel on the elevator main steel cable head composite braces, and the switch touch panel slightly contacts with the contact of normally closed safety switch.
2. the unusual relative deformation detecting device of traction elevator main rope as claimed in claim 1 is characterized in that: bending edges flexibly connected outside described fixed support one end and elevator cage were put the beams in place, and the other end is fixed on the normally closed safety switch sidewall.
3. the unusual relative deformation detecting device of traction elevator main rope as claimed in claim 1 is characterized in that: described switch touch panel is fixed on the elevator main steel cable head composite braces by two clamp nuts.
4. the unusual relative deformation detecting device of traction elevator main rope as claimed in claim 1 is characterized in that: described normally closed safety switch and elevator main steel cable head composite braces are in same perpendicular.
5. as claim 1 or the unusual relative deformation detecting device of 4 described traction elevator main ropes, it is characterized in that: described normally closed safety switch is connected in the safety return circuit of elevator safety gear step switch by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200733614U CN201089682Y (en) | 2007-08-07 | 2007-08-07 | Device for detecting draw type elevator main steel wire rope abnormal relative elongation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200733614U CN201089682Y (en) | 2007-08-07 | 2007-08-07 | Device for detecting draw type elevator main steel wire rope abnormal relative elongation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201089682Y true CN201089682Y (en) | 2008-07-23 |
Family
ID=39861440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200733614U Expired - Fee Related CN201089682Y (en) | 2007-08-07 | 2007-08-07 | Device for detecting draw type elevator main steel wire rope abnormal relative elongation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201089682Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363488A (en) * | 2011-06-29 | 2012-02-29 | 苏州新达电扶梯部件有限公司 | Upper beam assembly of elevator |
| CN102514994A (en) * | 2011-12-22 | 2012-06-27 | 江南嘉捷电梯股份有限公司 | Safety protection device for elevator |
| CN103086221A (en) * | 2012-11-19 | 2013-05-08 | 江南嘉捷电梯股份有限公司 | Extension protecting structure for hoisting rope of elevator |
| CN103332571A (en) * | 2013-07-05 | 2013-10-02 | 宁波欧菱电梯配件有限公司 | Novel counter weight steel wire rope head frame |
| CN105600630A (en) * | 2016-03-31 | 2016-05-25 | 西继迅达（许昌）电梯有限公司 | Elevator system capable of controlling traction machine to stop running after counter-weight collapse to bottom of pit |
| CN106716055A (en) * | 2014-04-23 | 2017-05-24 | 哈利伯顿能源服务公司 | Measuring hookload |
| CN107738973A (en) * | 2017-10-11 | 2018-02-27 | 美迪斯智能装备有限公司 | A kind of multi-functional fag end device of elevator |
-
2007
- 2007-08-07 CN CNU2007200733614U patent/CN201089682Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363488A (en) * | 2011-06-29 | 2012-02-29 | 苏州新达电扶梯部件有限公司 | Upper beam assembly of elevator |
| CN102514994A (en) * | 2011-12-22 | 2012-06-27 | 江南嘉捷电梯股份有限公司 | Safety protection device for elevator |
| CN103086221A (en) * | 2012-11-19 | 2013-05-08 | 江南嘉捷电梯股份有限公司 | Extension protecting structure for hoisting rope of elevator |
| CN103086221B (en) * | 2012-11-19 | 2015-04-08 | 江南嘉捷电梯股份有限公司 | Extension protecting structure for hoisting rope of elevator |
| CN103332571A (en) * | 2013-07-05 | 2013-10-02 | 宁波欧菱电梯配件有限公司 | Novel counter weight steel wire rope head frame |
| CN103332571B (en) * | 2013-07-05 | 2015-12-09 | 宁波欧菱电梯配件有限公司 | Novel counter weight steel wire rope head frame |
| CN106716055A (en) * | 2014-04-23 | 2017-05-24 | 哈利伯顿能源服务公司 | Measuring hookload |
| CN105600630A (en) * | 2016-03-31 | 2016-05-25 | 西继迅达（许昌）电梯有限公司 | Elevator system capable of controlling traction machine to stop running after counter-weight collapse to bottom of pit |
| CN107738973A (en) * | 2017-10-11 | 2018-02-27 | 美迪斯智能装备有限公司 | A kind of multi-functional fag end device of elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20130807 |