CN105217394B - The disconnected rope real-time monitoring device of elevator pine and method based on curent change processing - Google Patents
The disconnected rope real-time monitoring device of elevator pine and method based on curent change processing Download PDFInfo
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- CN105217394B CN105217394B CN201510670246.4A CN201510670246A CN105217394B CN 105217394 B CN105217394 B CN 105217394B CN 201510670246 A CN201510670246 A CN 201510670246A CN 105217394 B CN105217394 B CN 105217394B
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Abstract
The invention discloses a kind of disconnected rope real-time monitoring device of elevator pine and method based on curent change, resistance adjustment bar is acted on by the power of elevator wire rope tension force and a sensing elevator wire rope simultaneously, when elevator wire rope tension variation can cause resistance adjustment bar force unbalance to be subjected to displacement change, mobile resistance adjustment bar then changes the resistance of slide rheostat, the current value in circuit is changed；Real-time monitoring current value, with the default current value ratio corresponding to the multiple states of steel wire rope compared with, you can obtain the real-time status of corresponding elevator wire rope.The present invention is simple in construction, detect sensitive, the real-time disconnected state of steel wire rope pine can be obtained by real-time monitoring current value, so that staff can take appropriate measures in time before the state change of steel wire rope influences elevator normal safe operation, so as to improve service life of steel wire rope, ensure elevator operational effect and safe for operation.
Description
Technical field
The present invention relates to elevators field, the particularly a kind of disconnected rope real-time monitoring device of elevator pine and side based on curent change
Method.
Background technology
Steel wire rope is the important component in elevator, its one end suspension car, one end suspension counterweight, bears whole elevator device
Weight, therefore, the safety of steel wire rope relation elevator.Traction elevator uses more steel wire ropes, if the tension force of steel wire rope is adjusted
Whole inequality is likely to result in single or part steel wire rope overload, reduces the service life of steel wire rope.Additionally, due to steel wire rope
De- groove winding may occur when uneven serious for elongation, cause elevator accident.Therefore, how elevator wire rope is carried out comprehensively effective
Monitoring, be elevator safety performance an important leverage.
Current existing elevator rope breakage protection device, it is generally based on change in displacement etc. and is monitored simultaneously trigger action, only
A certain displacement stroke can be directed to, single displacement variable is monitored, real-time monitoring can not be realized, it is difficult to reaches more next
Higher safety requirements.
The content of the invention
The problem of existing for prior art, it is an object of the invention to provide a kind of elevator pine based on curent change processing
Disconnected rope real-time monitoring device, it can further improve the security performance of elevator.
It is a further object to provide a kind of disconnected rope method of real-time of elevator pine.
To achieve the above object, the present invention provides following technical scheme：A kind of disconnected rope of elevator pine based on curent change is real
When monitoring device, it is characterised in that including：
Drive module, including：The horizontally moveable tensioning wheel for propping up elevator wire rope and sensing its tension force；Tensioning wheel is applied
Point to the spring of the elastic force of elevator wire rope；The resistance adjustment bar of level of synchronization movement is connected with tensioning wheel；
Detection module, including：Slide rheostat, its slide plate are connected linkage with above-mentioned resistance adjustment bar；Current detecting unit,
Loop is electrically connected to form with slide rheostat.
Described resistance adjustment bar be in ┬ types or ┐ types, including horizontal segment and vertical section, horizontal segment are connected with tensioning wheel, perpendicular
The slide plate of straight section and slide rheostat connects.
The described displacement stroke of resistance adjustment bar and the regulation stroke of slide rheostat matches.
The horizontal segment of described motion bar is installed on a fixed guiding trestle, and horizontal direction is pressed on guiding trestle
Provided with installation position is oriented to, the horizontal segment of motion bar through the guiding installation position and can be moved along it.
Described guiding trestle is in Π types, and two sides are respectively equipped with the relative mounting hole in position and form guiding installation position, living
The horizontal segment of lever is through two mounting holes and can be moved along it.
The horizontal section surface of described motion bar is provided with limiting section；Described spring is socketed on horizontal segment, and spring one end supports
Firmly guiding trestle, the other end prop up limiting section and apply the elastic force for pointing to elevator wire rope to it.
The horizontal segment outer surface of described motion bar has screw thread, is connected with tension adjustment nut and forms limiting section.
The one end of the horizontal segment of described motion bar away from tensioning wheel is provided with stop nut.
A kind of disconnected rope method of real-time of elevator pine, it is characterised in that：Resistance adjustment bar is simultaneously by elevator wire rope
The effect of power and the power of a sensing elevator wire rope, when elevator wire rope tension variation can cause resistance adjustment bar stress uneven
So as to be subjected to displacement change, mobile resistance adjustment bar then changes the resistance of slide rheostat, sends out the current value in circuit weighing apparatus
Changing；Real-time monitoring current value, with the default current value ratio corresponding to the multiple states of steel wire rope compared with, you can obtain corresponding
Elevator wire rope real-time status.
Described resistance adjustment bar is contradicted with elevator wire rope by one to be sensed the tensioning wheel of its tension variation and is connected, electric
The tension variation of terraced steel wire rope drives tensioning wheel to be subjected to displacement, so as to drive resistance adjustment bar to be subjected to displacement change.
The present invention is simple in construction, and detection is sensitive, and the real-time disconnected shape of steel wire rope pine can be obtained by real-time monitoring current value
State so that staff can in time take before the state change of steel wire rope influences elevator normal safe operation and arrange accordingly
Apply, so as to improve service life of steel wire rope, ensure elevator operational effect and safe for operation.
Brief description of the drawings
Fig. 1 is the principle schematic diagram of the disconnected rope real-time monitoring device of elevator pine of the present invention
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, but it is not as a limitation of the invention.
As shown in figure 1, the disconnected rope method of real-time of elevator pine of the present invention, resistance adjustment bar 13 is simultaneously by elevator steel wire
The effect for 3 tension force and the power for pointing to elevator wire rope 3 of restricting, when under normal circumstances, two power reach poised state, work as elevator
The tension variation of steel wire rope 3 can cause the resistance adjustment force unbalance of bar 13 so as to be subjected to displacement change, mobile resistance adjustment bar
The resistance of 13 change slide rheostats 21, the current value in circuit is set to change；Real-time monitoring current value is and default right
Should in the multiple states of steel wire rope current value ratio compared with, you can obtain the real-time status of corresponding elevator wire rope 3.
In the present embodiment, described resistance adjustment bar is contradicted by one with elevator wire rope senses its tension variation
Tensioning wheel connects, and the tension variation of elevator wire rope drives tensioning wheel to be subjected to displacement, so as to drive resistance adjustment bar to be subjected to displacement
Change.
Realize a kind of real-time monitoring device of above-mentioned monitoring method, including drive module 1 and detection module 2.
Drive module 1 includes：One tensioning wheel 11, for prop up elevator wire rope 3 sense its tension force moved horizontally；It is right
Tensioning wheel 11 applies the spring 12 for the elastic force for pointing to elevator wire rope 3；The resistance that level of synchronization movement is connected with tensioning wheel 11 is adjusted
Whole bar 13.Tensioning wheel 11 with resistance adjustment bar 13 fix by both relative positions, with the spring as caused by the tension force of elevator wire rope 3
12 length changes and move integrally.
Resistance adjustment bar 13 can be in ┬ types or ┐ types, including horizontal segment 131 and vertical section 132, and horizontal segment 131 is with being tensioned
The connection of wheel 11, vertical section 132 are connected with the slide plate 211 of slide rheostat 21.Or resistance adjustment bar 13 can also be other shapes
Shape, as long as there is the connecting portion with tensioning wheel 11 and with the connecting portion with the slide plate 211 of slide rheostat 21.At this
In embodiment, resistance adjustment bar 13 is in ┬ types.The horizontal segment 131 of motion bar 13 is installed on guiding trestle 15, the guiding trestle
15 be fixed, such as is fixed in hoistway, is provided with guiding trestle 15 by horizontal direction and is oriented to installation position, motion bar 13
Horizontal segment 131 through the guiding installation position and being moved along it so that motion bar 13 can only move horizontally and can not on move down
It is dynamic.In the present embodiment, guiding trestle 15 is in Π types, and two sides are respectively equipped with the relative mounting hole in position and form guiding installation
Position, the horizontal segment 131 of motion bar 13 through two mounting holes and can be moved along it.
The limiting section 14 for the power for being used to receive spring 12 is provided with the surface of horizontal segment 131 of motion bar 13.Preferably, it is movable
The outer surface of horizontal segment 131 of bar 13 has screw thread, is connected with tension adjustment nut, forms the limiting section of adjustable springs tension force
14, so as to set the Tensity size of regulation spring 12 according to steel wire rope tension and design requirement.
In the present embodiment, spring 12 uses compression spring, is socketed on horizontal segment 131, and limiting section 14 is then located at tensioning wheel
Between 11 and guiding trestle 15, the one end of spring 12 props up guiding trestle 15, and the other end props up limiting section 14 and applies sensing electricity to it
The elastic force of terraced steel wire rope 3.Or spring 12 can also use extension spring, horizontal segment is socketed on, limiting section is located at horizontal segment end
End or the position between end and guiding trestle, spring one end prop up guiding trestle, and the other end holds limiting section and applies drawing to it
To the elastic force of elevator wire rope, can play and the present embodiment identical effect.
If resistance adjustment bar 13 is ┐ types, its vertical section 132, which is moved to contradict with the outside of guiding trestle 15, to be stopped, from
And the displacement stroke of resistance adjustment bar 13 can be controlled.Or when resistance adjustment bar 13 is in ┬ types, such as the present embodiment, its is vertical
Section 132, which is moved to contradict with the inner side of guiding trestle 15, to be stopped, so as to control the displacement stroke of resistance adjustment bar 13.More
Preferably, the one end of the horizontal segment 131 of motion bar 13 away from tensioning wheel 11 is provided with stop nut 16, so as to according to it is actual come
Regulation resistance adjusts the displacement stroke of bar 13.Regulation stroke of the displacement stroke of resistance adjustment bar 13 preferably with slide rheostat 21
Match.
Detection module 2 includes：Slide rheostat 21, its slide plate 211 are connected linkage with above-mentioned resistance adjustment bar；Current detecting
Unit 22, loop is electrically connected to form with slide rheostat 21.
Current detecting unit 22 is connected with apparatus for controlling elevator by signal output part 221 and outputs signal to elevator controlling
System, control system are judged and handled further according to each signal, and this is automatically controlled conventional technical means, are not done herein in detail
Description.In the present embodiment, each current value is defined in advance in current detecting unit 22, can be required according to elevator design
The early warning of the multiple states of steel wire rope is set, by the current value real-time monitored and the default electricity corresponding to the multiple states of steel wire rope
Flow valuve compares, you can knows the real-time status of steel wire rope, if monitoring alert status, sends alarm signal to elevator controlling
System.
The present invention reaches the purpose monitored in real time, the tension force of elevator wire rope 3 and spring 12 based on the information of curent change
The uneven change in displacement of slide plate 211 for driving slide rheostat 21 of tension force changes in detection module 2 so as to change resistance
The current value of electric loop.
The better embodiment of the present invention is the foregoing is only, the invention is not limited in above-mentioned embodiment, is implementing
During there may be local small structural modification, if not departing from the essence of the present invention to the various changes or modifications of the present invention
God and scope, and belong within the scope of the claim and equivalent technologies of the present invention, then the present invention is also intended to comprising these changes
And modification.
Claims (7)
- A kind of 1. disconnected rope real-time monitoring device of elevator pine based on curent change, it is characterised in that including：Drive module, including：The horizontally moveable tensioning wheel for propping up elevator wire rope and sensing its tension force；Tensioning wheel is applied and pointed to The spring of the elastic force of elevator wire rope；The resistance adjustment bar of level of synchronization movement, described resistance adjustment bar are connected with tensioning wheel It is connected in ┬ types or ┐ types, including horizontal segment and vertical section, horizontal segment with tensioning wheel, the slide plate of vertical section and slide rheostat connects Connect；The horizontal segment of resistance adjustment bar is installed on a fixed guiding trestle, and guiding trestle is in Π types, and two sides are set respectively There is the relative mounting hole in position to form and be oriented to installation position, the horizontal segment of resistance adjustment bar can move through two mounting holes and along it It is dynamic；Detection module, including：Slide rheostat, its slide plate are connected linkage with above-mentioned resistance adjustment bar；Current detecting unit, with cunning Dynamic rheostat is electrically connected to form loop.
- 2. the elevator pine disconnected rope real-time monitoring device according to claim 1 based on curent change, it is characterised in that：It is described Resistance adjustment bar displacement stroke and the regulation stroke of slide rheostat match.
- 3. the elevator pine disconnected rope real-time monitoring device according to claim 1 based on curent change, it is characterised in that：It is described Resistance adjustment bar horizontal section surface be provided with limiting section；Described spring is socketed on horizontal segment, and spring one end props up guiding branch Frame, the other end prop up limiting section and apply the elastic force for pointing to elevator wire rope to it.
- 4. the elevator pine disconnected rope real-time monitoring device according to claim 3 based on curent change, it is characterised in that：It is described Resistance adjustment bar horizontal segment outer surface there is screw thread, be connected with tension adjustment nut form limiting section.
- 5. the elevator pine disconnected rope real-time monitoring device according to claim 1 based on curent change, it is characterised in that：It is described Resistance adjustment bar the one end of horizontal segment away from tensioning wheel be provided with stop nut.
- A kind of 6. disconnected rope method of real-time of elevator pine, it is characterised in that：Resistance adjustment bar is simultaneously by elevator wire rope tension force With one sensing elevator wire rope power effect, when elevator wire rope tension variation can cause resistance adjust bar force unbalance So as to be subjected to displacement change, mobile resistance adjustment bar then changes the resistance of slide rheostat, the current value in circuit occurs Change；Real-time monitoring current value, with the default current value ratio corresponding to the multiple states of steel wire rope compared with, you can obtain corresponding The real-time status of elevator wire rope, wherein described resistance adjustment bar is in ┬ types or ┐ types, including horizontal segment and vertical section, it is horizontal Section is connected with tensioning wheel, the slide plate connection of vertical section and slide rheostat；The horizontal segment of resistance adjustment bar is installed on a fixation not On dynamic guiding trestle, guiding trestle is in Π types, and two sides are respectively equipped with the relative mounting hole in position and form guiding installation position, electricity The horizontal segment of resistance adjustment bar through two mounting holes and can be moved along it.
- 7. the disconnected rope method of real-time of elevator pine according to claim 6, it is characterised in that：Described resistance adjustment bar leads to Cross a tensioning wheel for sensing its tension variation with elevator wire rope conflict to be connected, the tension variation of elevator wire rope drives tensioning Wheel is subjected to displacement, so as to drive resistance adjustment bar to be subjected to displacement change.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510670246.4A CN105217394B (en) | 2015-10-13 | 2015-10-13 | The disconnected rope real-time monitoring device of elevator pine and method based on curent change processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510670246.4A CN105217394B (en) | 2015-10-13 | 2015-10-13 | The disconnected rope real-time monitoring device of elevator pine and method based on curent change processing |
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| CN105217394A CN105217394A (en) | 2016-01-06 |
| CN105217394B true CN105217394B (en) | 2018-02-02 |
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Families Citing this family (9)
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| CN106698127B (en) * | 2016-11-24 | 2022-06-07 | 上海交通大学 | Method and device for monitoring resistance of tension member of elevator |
| CN107941136A (en) * | 2017-11-07 | 2018-04-20 | 国网江苏省电力公司盐城供电公司 | A kind of cable displacement deformation system for measuring quantity |
| CN109159926A (en) * | 2018-06-14 | 2019-01-08 | 上海卫星工程研究所 | A kind of rope tension precision adjustment unit applied to spacecraft |
| CN109250606B (en) * | 2018-11-02 | 2023-12-08 | 广州广日电梯工业有限公司 | Elevator steel wire rope head device and steel wire rope tension detection method |
| CN112362215A (en) * | 2020-10-15 | 2021-02-12 | 航天信息股份有限公司 | Sensor for calculating tension of membrane strip |
| CN112413019B (en) * | 2020-12-07 | 2022-05-10 | 刘涛 | Car elevator operation traction structure |
| CN113063536B (en) * | 2021-02-03 | 2022-07-22 | 武汉船用机械有限责任公司 | Tension detection device and tension detection method for steel wire rope |
| CN114084767B (en) * | 2021-11-18 | 2022-09-13 | 浙江大学 | Elevator buffering monitoring devices based on wire rope uninstallation and resistance-variable shock attenuation structure |
| CN114084766B (en) * | 2021-11-18 | 2022-09-20 | 浙江大学 | Unloading and variable-resistance shock absorption structure for steel wire rope |
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