CN103738817B - Elevator traction safety protection system and method - Google Patents
Elevator traction safety protection system and method Download PDFInfo
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- CN103738817B CN103738817B CN201410006091.XA CN201410006091A CN103738817B CN 103738817 B CN103738817 B CN 103738817B CN 201410006091 A CN201410006091 A CN 201410006091A CN 103738817 B CN103738817 B CN 103738817B
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- connector
- stop
- counterweight
- elevator
- lift car
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Abstract
The present invention discloses a kind of elevator traction safety protection system and method, and the protection system includes that lift car, counterweight connect the connector of lift car and counterweight, the stop being arranged near connector, and the electrical control system of elevator with stop electrical connection.After in the present invention, the counterweight or lift car of elevator surprisingly stops, the continuation that can stop lift car or counterweight by stop rises, and reaches the purpose of protection.Which is simple and reliable for structure, easy for installation, and debugging maintenance is simple.
Description
Technical field
The present invention relates to elevator technology field, more particularly to a kind of elevator traction safety protection system and method.
Background technology
In order to ensure that the safety of elevator, elevator need to protect safely traction, existing relevant criterion is required, when right
Weight should lift unloaded car when traction machine is rotated by ascending for elevator direction on buffer.For traction
Safeguard protection, can not lift car to danger position except what working standard was required, should also protect counterweight be promoted to danger
Dangerous position, new standard have begun to this requirement is discussed.
In order to realize the protection requirement of standard, general technical method is to make steel wire rope skid on the traction sheave or using electricity
Gas safety device is protected.But as part elevator is difficult to skid, and general electric security protector device cannot be direct
The situation that detection elevator is stuck, therefore the problem is the technical barrier of industry.
Content of the invention
This is based on, for the above-mentioned problem for realizing that elevator traction safeguard protection is difficult, the present invention proposes a kind of elevator traction
Safety protection system and method.
The present invention proposes a kind of elevator traction safety system, and its technical scheme is as follows：
A kind of elevator traction safety system, including lift car, counterweight, connects the connection of lift car and counterweight
Part, the stop being arranged near connector, and the electrical control system of elevator with stop electrical connection.
For the elevator of tractive driving, if after the counterweight of elevator or lift car surprisingly stop, needing to protect elevator car
Railway carriage or compartment or counterweight will not be promoted to danger position, and have the connector being arranged in elevator hoistways between lift car and counterweight,
The relevant position of connector is provided with stop, and stop can detect the lifting situation of connector, during detecting that counterweight is stagnated
When whether lift car continues to lift up or lift car is stagnated, whether counterweight continues to lift up, if lift car or counterweight due to
The rotation continuation of traction machine is up, and the connector between lift car and counterweight can be caused to be lifted up, and can touch stop and move
Make, signal transmission to electric control system, is acted directly on the power supply unit of control elevator driving host, stopped by stop
The continuation of lift car or counterweight rises, and reaches the purpose of protection.
Below its further technical scheme is illustrated：
Preferably, stop includes stop safety switch, and stop safety switch is arranged on connector and encloses and is set as
In region, when lift car or counterweight surprisingly stop connector being integrally lifted up certain position when, connector with spacing
Device safety switch is contacted.Under abnormal condition, lift car or counterweight surprisingly stop, but corresponding counterweight or lift car are still
So continue up, the connector between lift car and counterweight can be caused to be lifted up, connector is lifted and arrives certain safety
Apart from when, it will touch and be arranged on connector and enclose the stop safety switch action in the region being set as.
Preferably, in elevator normal operating condition, stop safety switch is permanent with the distance between connector holding
Fixed.Under normal circumstances, lift car rises a segment distance, and counterweight will decline identical distance so that on connector one end
A segment distance is risen, and its other end declines same distance, the overall relative position of connector will not change so that connector
Keep constant with the distance of stop safety switch, i.e., connector will not touch stop safety switch.
Preferably, when connector contacts stop safety switch, lift car controls system to focusing on elevator electrical
Remain static in the presence of system.I.e. connector contacts stop safety switch, and stop safety switch delivers a signal to electricity
Terraced electric control system, electrical control system of elevator control elevator driving host power supply unit stop the action of traction machine, make electricity
The abnormal operation of terraced car or counterweight is stopped.
Preferably, connector is compensation rope, compensated chain or the compensated cable of the connection lift car and counterweight.The connection
Part has enough intensity and toughness.
Additionally, the present invention also proposes a kind of elevator traction method for security protection, comprise the steps：
Lift car or counterweight surprisingly stop, counterweight or lift car continuation action；
The connector position movement being connected between lift car and counterweight, touches the stop being arranged near connector
Safety switch；
Stop safety switch delivers a signal to electrical control system of elevator, and electrical control system of elevator stops lift car
Or the action of counterweight.
Below its further technical scheme is illustrated：
Preferably, lift car surprisingly stops, and counterweight continues up lifting, drive be connected to lift car and counterweight it
Between connector move up, touch and be arranged on stop safety switch above connector.
Preferably, counterweight surprisingly stops, and lift car continues up lifting, drives and is connected to lift car or and counterweight
Between connector move up, touch and be arranged on stop safety switch above connector.
Preferably, stop safety switch delivers a signal to electrical control system of elevator, electrical control system of elevator control
Elevator driving host power supply unit processed stops the action of traction machine, stops the action of lift car or counterweight.
The present invention has prominent as follows：
1st, structure reliability：If lift car is continued to lift up due to the rotation of traction machine after Elevator weight sensor surprisingly stops, meeting
Lifted car and the connector of counterweight；Equally, if counterweight is continued due to the rotation of traction machine after lift car surprisingly stops
Lifted, lifted can connection lift car and the connector of counterweight.And the lifting of connector can touch limit switch so as to dynamic
Make.As these devices are all simple and reliable hardware, its action is all contact action, very reliably；
2nd, simple structure：Using appliance arrangement be all simple hardware and switch, its action be all after touching in order
Action, scheme are very simple；
3rd, easy for installation：The structures such as the increased stop with stop safety switch, are all arranged in elevator hoistways,
Install very convenient；
4th, debugging maintenance is convenient：The electric safety device adopted in tradition, installation and debugging are complicated, the mistake of any one signal
Action can all cause system fault, and debugging is difficult, repair and maintenance are difficult, and merely just simple signaling switch, in debugging and safeguard
When, check and confirm all very convenient.
Description of the drawings
Schematic diagram when Fig. 1 is elevator traction safety system normal condition in the embodiment of the present invention；
Fig. 2 is schematic diagram when elevator traction safety system counterweight surprisingly stops in the embodiment of the present invention；
Fig. 3 is schematic diagram when elevator traction safety system lift car surprisingly stops in the embodiment of the present invention.
Description of reference numerals：
(100,100a, 100b)-lift car, (200,200a, 200b)-counterweight, (300,300a, 300b)-connector,
(400,400a, 400b)-stop, (410,410a, 410b)-stop safety switch.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are described in detail.
As shown in figure 1, the present invention proposes a kind of elevator traction safety system, including lift car 100, counterweight 200,
Connection lift car 100 and the connector 300 of counterweight 200（This example is using compensation rope, compensated chain or compensated cable）, it is arranged on
Stop 400 near connector 300, and the electrical control system of elevator with the electrical connection of stop 400（Do not show in figure
Go out）.
For the elevator of tractive driving, if after the 100 unexpected stopping of the counterweight of elevator 200 or lift car, needing to protect
Lift car 100 or counterweight 200 will not be promoted to danger position, and be arranged on elevator between lift car 100 and counterweight 200
Connector 300 in hoistway, is provided with stop 400 in the relevant position of connector 300, and stop 400 can detect connection
The lifting situation of part 300, i.e., when detection counterweight 200 is stagnated, whether lift car 100 continues to lift up or lift car 100 is stagnated
When counterweight 200 whether continuing to lift up, if lift car 100 or counterweight 200 continue up due to the rotation of traction machine, can lead
The connector 300 between lift car 100 and counterweight 200 is caused to be lifted up, it will to touch 400 action of stop, stop 400
By signal transmission to electric control system, act directly on the power supply unit of control elevator driving host, stop lift car
100 or counterweight 200 continuation rise, reach the purpose of protection.
Stop 400 in elevator traction safety system includes stop safety switch 410, stop safety switch
410 are arranged on connector 300 encloses in the region being set as, and when lift car 100 or unexpected stopping of counterweight 200, connector 300 is whole
When body is lifted up certain position, connector 300 is contacted with stop safety switch 410.Under abnormal condition, elevator car
The 200 unexpected stopping of railway carriage or compartment 100 or counterweight, but counterweight 200 or lift car 100 continue to move upwards accordingly, can cause electricity
300 entirety of connector between terraced car 100 and counterweight 200 is lifted up, when connector 300 lifts certain safe distance,
Will touch and be arranged on connector 300 and enclose 410 action of stop safety switch in the region being set as.This safe distance can
Connector 300 is guaranteed under elevator normal condition, even if there is the movement of certain distance as long as no reaching this safe distance
Also stop safety switch 410 will not be touched immediately, but under elevator abnormal condition, connector 300 moves to this
Safe distance just can touch stop safety switch 410 immediately.
, in normal operating condition, stop safety switch 410 is constant with the distance between connector 300 holding for elevator.
Under normal circumstances, lift car 100 rises a segment distance, and counterweight 200 will decline identical distance so that connector 300
One end rises a segment distance, and its other end declines same distance, and the relative position of 300 entirety of connector will not change,
So that connector 300 keeps constant with the distance of stop safety switch 410, i.e., connector 300 will not touch stop safety
Switch 410.
Preferably, stop safety switch 410 is arranged on 300 lower end arc curve part of connector and encloses the region that is set as
Interior.Stop safety switch 410 is arranged in this region, under abnormal condition, stop safety switch 410 can be made more square
Just the connector 300 risen near stop 400 is effectively touched.Not only make stop safety switch 410 and connect
Fitting 300 keeps a rational safe distance, and stop safety switch 410 is arranged on an appropriate position, so as to
Can effectively be touched after safe distance being moved in connector 300 stop safety switch 410.By stop safety open
Close 410 to arrange in this position, stop safety switch 410 is more convenient effectively to touch and is risen near stop
Connector 300 near 400.Additionally, stop safety switch 410 can be arranged on connector 300 enclosing in the region being set as
Other positions, such as near the position of lift car 100, near the position of counterweight 200 or in lift car 100 and counterweight
Position between 200, but stop safety can be effectively touched on condition that being respectively positioned on when connector 300 rises to safe distance
The position of switch 410.
The connector 300 of connection lift car 100 and counterweight 200 can be compensation rope, compensated chain or compensated cable and its
The rope line type structure that he is similar to.The connector 300 has enough intensity and toughness.
And elevator traction method for security protection is as follows：
When the 200 unexpected stopping of lift car 100 or counterweight（For example mechanical stuck）, and counterweight 200 or lift car 100 by
Rotation continuation action in traction machine；300 position of the connector movement being connected between lift car 100 and counterweight 200, touches
The stop safety switch 410 being arranged near connector 300；Stop safety switch 410 delivers a signal to elevator electrical control
System processed, electrical control system of elevator stop the action of lift car 100 or counterweight 200, play a part of protection.
Under normal circumstances, the athletic meeting of lift car 100 and counterweight 200 keeps synchronous so that connector 300 with spacing
A certain distance is remained between device safety switch 410, without triggering 410 action of stop safety switch.
But in one case, as shown in Fig. 2 when counterweight 200a surprisingly stops（For example mechanical stuck or be pressed in buffering
Stop on device）, lift car 100a continues up lifting, drives the company being connected between lift car 100a and counterweight 200a
Fitting 300a is moved up, and touches the stop safety switch 410a being arranged on above connector 300a, stop safety switch
410a delivers a signal to electrical control system of elevator, and electrical control system of elevator control elevator driving host power supply unit stops to drag
Draw the action of machine, stop the machinery rising of lift car 100a, reach the purpose of protection.
In another case, as shown in figure 3, when lift car 100b surprisingly stops（For example mechanical stuck）, counterweight
200b continues up lifting, drives the connector 300b being connected between lift car 100b and counterweight 200b integrally to move upwards
Dynamic, the stop safety switch 410b being arranged on above connector 300b is touched, stop safety switch 410b is delivered a signal to
Electrical control system of elevator, electrical control system of elevator control elevator driving host power supply unit stop the action of traction machine, stop
Only the continuation of counterweight 200b rises, and reaches the purpose of protection.
Embodiment described above only expresses the specific embodiment of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.
Claims (7)
1. a kind of elevator traction safety system, it is characterised in that including lift car, counterweight, connect the lift car
With the connector of counterweight, the stop being arranged near the connector, and the elevator electricity with stop electrical connection
Gas control system；
The stop includes that stop safety switch, the stop safety switch are arranged on the connector and enclose the area being set as
In domain, when lift car or counterweight surprisingly stop connector being integrally lifted up certain position when, the connector and limit
Position device safety switch contact.
2. elevator traction safety system according to claim 1, it is characterised in that in elevator normal operating condition
When, the stop safety switch is constant with the distance between connector holding.
3. the elevator traction safety system according to claim 1-2, it is characterised in that when the connector contacts institute
When stating stop safety switch, the lift car or to focusing in the presence of the electrical control system of elevator in static shape
State.
4. a kind of elevator traction method for security protection, it is characterised in that comprise the steps：
Lift car or counterweight surprisingly stop, counterweight or lift car continuation action；
The connector position movement being connected between lift car and counterweight, touches the stop safety being arranged near connector
Switch；The stop safety switch is arranged on the connector and encloses in the region being set as, when lift car or counterweight surprisingly stop
Only and connector is when being integrally lifted up certain position, the connector is contacted with stop safety switch；
Stop safety switch delivers a signal to electrical control system of elevator, and electrical control system of elevator stops lift car or right
The action of weight.
5. elevator traction method for security protection according to claim 4, it is characterised in that lift car surprisingly stops, right
Continue up lifting again, drive the connector being connected between lift car and counterweight to move up, touch and be arranged on connector
The stop safety switch of top.
6. elevator traction method for security protection according to claim 4, it is characterised in that counterweight surprisingly stops, elevator car
Railway carriage or compartment continues up lifting, and drive is connected to lift car or the connector and counterweight between is moved up, and touches and is arranged on connection
Stop safety switch above part.
7. the elevator traction method for security protection according to claim 4-6 any one, it is characterised in that stop safety
Switch delivers a signal to electrical control system of elevator, and electrical control system of elevator control elevator driving host power supply unit stops to drag
Draw the action of machine, stop the action of lift car or counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006091.XA CN103738817B (en) | 2014-01-06 | 2014-01-06 | Elevator traction safety protection system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006091.XA CN103738817B (en) | 2014-01-06 | 2014-01-06 | Elevator traction safety protection system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103738817A CN103738817A (en) | 2014-04-23 |
| CN103738817B true CN103738817B (en) | 2017-03-15 |
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ID=50495912
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410006091.XA Active CN103738817B (en) | 2014-01-06 | 2014-01-06 | Elevator traction safety protection system and method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240045A (en) * | 2019-05-27 | 2019-09-17 | 上海三菱电梯有限公司 | A kind of elevator device |
| CN114933222B (en) * | 2022-06-06 | 2024-02-06 | 日立电梯（中国）有限公司 | Compensation chain guiding device for coping with elevator detention working condition |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09290981A (en) * | 1996-04-26 | 1997-11-11 | Hitachi Building Syst Co Ltd | Tail code device for oblique elevator |
| CN201678335U (en) * | 2010-04-01 | 2010-12-22 | 江南嘉捷电梯股份有限公司 | Tensioning device of elevator compensation rope |
| CN202186809U (en) * | 2011-06-29 | 2012-04-11 | 苏州中威法奥电梯有限公司 | Elevator compensating system |
| CN202744141U (en) * | 2012-07-23 | 2013-02-20 | 杭州西奥电梯有限公司 | Anti-deflection compensatory steel wire rope tensioning device |
| 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 |
-
2014
- 2014-01-06 CN CN201410006091.XA patent/CN103738817B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09290981A (en) * | 1996-04-26 | 1997-11-11 | Hitachi Building Syst Co Ltd | Tail code device for oblique elevator |
| CN201678335U (en) * | 2010-04-01 | 2010-12-22 | 江南嘉捷电梯股份有限公司 | Tensioning device of elevator compensation rope |
| CN202186809U (en) * | 2011-06-29 | 2012-04-11 | 苏州中威法奥电梯有限公司 | Elevator compensating system |
| CN202744141U (en) * | 2012-07-23 | 2013-02-20 | 杭州西奥电梯有限公司 | Anti-deflection compensatory steel wire rope tensioning device |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103738817A (en) | 2014-04-23 |
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