CN104276469A - Tension detection device of steel wire rope of elevator - Google Patents

Tension detection device of steel wire rope of elevator Download PDF

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Publication number
CN104276469A
CN104276469A CN201310287172.7A CN201310287172A CN104276469A CN 104276469 A CN104276469 A CN 104276469A CN 201310287172 A CN201310287172 A CN 201310287172A CN 104276469 A CN104276469 A CN 104276469A
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CN
China
Prior art keywords
wire rope
pressure sensor
hole
control apparatus
detecting device
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Granted
Application number
CN201310287172.7A
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Chinese (zh)
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CN104276469B (en
Inventor
徐兴华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Balance Elevator Technology Co., Ltd.
Original Assignee
SUZHOU BALANCED TRANSMISSION EQUIPMENT Co Ltd
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Priority to CN201310287172.7A priority Critical patent/CN104276469B/en
Publication of CN104276469A publication Critical patent/CN104276469A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The invention discloses a tension detection device of a steel wire rope of an elevator. The tension detection device comprises a regulating device and a pressure sensor. One end of the regulating device is arranged on the pressure sensor. Through holes are formed in the regulating device and the pressure sensor respectively so that a rope end combination can penetrate through the through hole in the regulating device and the through hole in the pressure sensor. The pressure sensor can sense the pressure on the other end of the regulating device. The height of the regulating device can be regulated in the direction of the center line of the through hole in the regulating device. Due to the scheme, the tension on the steel wire rope can be directly measured, and the accuracy is high. The regulating device can be used for regulating the pre-pressure on the pressure sensor, so that when multiple steel wire ropes are measured, the end of each steel wire rope is provided with the tension detection device of the steel wire rope of the elevator. Therefore, the pre-pressures on the pressure sensors on the tension detection devices of all the steel wire ropes of the elevator are consistent, and the accuracy of detecting the tension on each steel wire rope can be improved.

Description

A kind of tension detecting device of elevator wire rope
Technical field
The present invention relates to a kind of tension detecting device of elevator wire rope, particularly a kind ofly can be arranged on the tension detecting device of the elevator wire rope of the tension force of the elevator wire rope on elevator by high precision test.
Background technology
Current elevator both domestic and external adopts towing machine to drive elevator usually, and towed elevator hangs elevator system and is made up of major parts such as traction sheave, steel rope group, car, balance block systems; Described towed elevator is hung and to be wound around in the groove of traction sheave by the every root steel rope in steel rope group in elevator system and the friction force that produces provides the power of car lifting or decline; Under the adjustment of elevator drive technology development, hoisting depth and the moving velocity of elevator are all greatly improved, and also have higher requirement to the safety and reliability of elevator self simultaneously.In theory, in use, the stressed of the every root steel rope in steel rope group should be the same for elevator, and traction sheave is used for the shape and size of groove of lay winding wire ropes also should be the same; But in actual use procedure, because a variety of causes can make the stressed different of the every root steel rope in steel rope group, some steel rope will be caused so greatly stressed, and some steel rope is stressed little; Friction force between groove on the traction sheave that stressed large steel rope is corresponding with it can be relatively large, the friction of the groove on the traction sheave of its correspondence can be caused so more severe, time one is long, the shape and size of all right groove caused on the traction sheave of its correspondence change, and cause power suffered in stressed large steel rope work increasing.If radius reduces 0.1 millimeter after the groove wearing and tearing on traction sheave, traction sheave often revolves and turns around, and steel rope will lack motion 0.314 millimeter; For the building of 20 layers, traction sheave approximately will rotate 100 circles, so should will lack motion 31.4 millimeters with steel rope, and through overtesting, finding should be how stressed about 3000 Ns with steel rope; When the unbalance stress of in steel rope group steel rope, produce crawl between stressed little steel rope and traction sheave, the wriggling between steel rope and traction sheave can cause the wearing and tearing of steel rope and traction sheave; Floor is higher, and above-mentioned situation is more serious.Thus, the long-time stressed large steel rope used in use, easily ruptures, and causes elevator safety accident; Meanwhile, stressed little steel rope also can, because of the wearing and tearing with traction sheave, occur impaired, if seriously impaired, also can cause the fracture causing steel rope, and cause elevator safety accident; In order to avoid there is elevator safety accident, elevator needs to do security inspection every year, and at present, usually draw the method for steel rope whether unanimously to detect the tension force of each steel rope with spring balance, this method accuracy of detection is not high.
Summary of the invention
The present invention seeks to provide a kind of can be arranged on the tension detecting device of the elevator wire rope of the tension force of the elevator wire rope on elevator by high precision test to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution used in the present invention is: a kind of tension detecting device of elevator wire rope, comprises control apparatus, pressure sensor; One end of described control apparatus is arranged on pressure sensor; Described control apparatus and pressure sensor are respectively arranged with through hole; So that fag end combines the through hole that can be each passed through on control apparatus and pressure sensor; The pressure suffered by the other end of described pressure sensor energy perception control apparatus; Described control apparatus can regulate its height along the centerline direction of the through hole on it.
Preferably, described control apparatus, comprises upper nut, adjusting nut; Described adjusting nut is threaded with upper nut; The through hole of described adjusting nut is communicated with formation one through hole with the through hole of upper nut; Described through hole is the through hole on control apparatus.
Moment knob is provided with between described upper nut and adjusting nut; Moment device is provided with between described adjusting nut and moment knob.
Preferably, the excircle of described adjusting nut is provided with quick adjusting hole.
Preferably, the excircle of described adjusting nut is provided with 2 or multiple quick adjusting holes equably.
Preferably, the tension detecting device of described elevator wire rope, also comprises a microprocessor, and described microprocessor is connected with pressure sensor by data line, the pressure data obtained in order to processing pressure sensor.
Preferably, the tension detecting device of described elevator wire rope, also comprises wireless launcher; Described wireless launcher is connected with microprocessor, in order to the data transmission after microprocessor processes analysis to be gone out.
Preferably, the tension detecting device of described elevator wire rope, also comprises receive data by wireless device, and described receive data by wireless device is used for receiving the data that send of wireless launcher.
Preferably, the upper end of described pressure sensor is provided with the first pad; Described first pad is provided with the first nut; Described first pad and the first nut are used for being fixed on by pressure sensor in fag end combination.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The pulling force that the tension detecting device of elevator wire rope of the present invention can be used for suffered by direct measuring steel wire rope, precision is high; Also there is microprocessor simultaneously, can the pressure data that obtains of processing pressure sensor now, and by wireless launcher, the data after microprocessor analysis process to be emitted; Described receive data by wireless device is used for receiving the data that send of wireless launcher; Described receive data by wireless device can be positioned at elevator outside, thus makes detection more convenient; Described control apparatus can regulate the precompressed compression to pressure sensor, thus when measuring many steel ropes, the end of every root steel rope is all provided with the tension detecting device of elevator wire rope, precompressed compression suffered by the pressure sensor on the tension detecting device of each elevator wire rope can be made consistent, to improve the accuracy rate to pull force calculation suffered by every root steel rope.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the part sectional view of the tension detecting device of a kind of elevator wire rope of the present invention;
Accompanying drawing 2 is the front view of the control apparatus of the tension detecting device of a kind of elevator wire rope of the present invention;
Accompanying drawing 3 is the end connection mode schematic diagram of existing steel wire rope for elevator;
Accompanying drawing 4 is the detected state schematic diagram of the tension detecting device of a kind of elevator wire rope of the present invention;
Wherein: 1, control apparatus; 2, pressure sensor; 3, the first pad; 4, the first nut; 5, microprocessor; 6, data line; 11, upper nut; 12, moment knob; 13, adjusting nut; 14, moment device; 15, quick adjusting hole; 21, spring; 22, the second pad; 23, the 3rd pad; 24, fag end combination; 25, steel cord ends; 26, the second nut.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1-2 is the tension detecting device of a kind of elevator wire rope of the present invention, comprises control apparatus 1, pressure sensor 2, microprocessor 5, wireless launcher (not shown), receive data by wireless device (not shown); One end of described control apparatus 1 is arranged on pressure sensor 2; Described control apparatus 1 and pressure sensor 2 are respectively arranged with through hole (not marking); So that fag end combination 24 can be each passed through the through hole on control apparatus 1 and pressure sensor 2; The pressure suffered by the other end of described pressure sensor 2 energy perception control apparatus 1; The upper end of described pressure sensor 2 is provided with the first pad 3; Described first pad 3 is provided with the first nut 4; Described first pad 3 and the first nut 4 are used for pressure sensor 2 to be fixed in fag end combination 24; Described control apparatus 1 can regulate its height along the centerline direction of the through hole on it; Described control apparatus 1, comprises upper nut 11, adjusting nut 13; Described adjusting nut 13 is threaded with upper nut 11; The through hole of described adjusting nut 13 is communicated with formation one through hole with the through hole of upper nut 11; Described through hole is the through hole on control apparatus 1; Moment knob 12 is provided with between described upper nut 11 and adjusting nut 13; Moment device 14 is provided with between described adjusting nut 13 and moment knob 12; The excircle of described adjusting nut 13 is provided with equably 2 quick adjusting holes 15; Described quick adjusting hole 15 can be used for quick adjustment adjusting nut 13 bottom and upper nut 11 upper end between distance; Multiple quick adjusting hole 15 can certainly be provided with equably on the excircle of described adjusting nut 13; Described microprocessor 5 is connected with pressure sensor 2 by data line 6, the pressure data obtained in order to processing pressure sensor 2; Described wireless launcher is connected with microprocessor 5, in order to the data transmission after microprocessor 5 Treatment Analysis to be gone out; Described receive data by wireless device is used for receiving the data that send of wireless launcher; Described receive data by wireless device can be shown the data of acquisition or be read the data of described receive data by wireless device acquisition by specialized equipment.
Accompanying drawing 3 is the end connection mode schematic diagram of existing steel wire rope for elevator; The connecting steel wire ropes end, bottom 25 of described fag end combination 24; Described fag end combination 24 is arranged with spring 21; The top of described spring 21 is provided with the second pad 22; The bottom of described spring 21 is provided with the 3rd pad 23; Described 3rd pad 23 is fixed in fag end combination 24; Described second pad top, the second nut 26 screw thread is fixed on fag end and combines 24 tops; Described second nut has 2 usually.The steel rope group that elevator is used, usually many steel ropes are included, in order to make the pulling force suffered by every root steel rope consistent, when mounted, usually the length of the spring after distortion is measured with tape measure, if the length of the spring after distortion is consistent, then think that the precompressed compression suffered by every root steel rope is consistent.
Accompanying drawing 4 is the detected state schematic diagram of the tension detecting device of a kind of elevator wire rope of the present invention; Namely be that the tension detecting device of elevator wire rope of the present invention has been installed on the basis of accompanying drawing 3; The through hole of described control apparatus 1 is set in the outside of the second nut 26; The bottom of described control apparatus 1 is arranged on the second pad 22; Described pressure sensor 2 is arranged on the upper end of control apparatus 1; Described fag end combination 24 is through sheathed first pad 3 again after the through hole of pressure sensor 2; Described first nut and fag end combine 24 screw threads and fix, and the first pad 3 are pressed on the upper surface of pressure sensor 2; During use, first adjust control apparatus 1 and second pad 22 is just contacted with the lower surface of the second nut 26; Finely tuned by moment of rotation knob 12 again, the bottom of adjusting nut 13 is slowly moved down; When the lower surface of the second nut and the second pad 22 disengage, can detect the tension force of elevator wire rope.Described moment knob 12 is provided with scale, first by the scale zero on moment knob 12 before using, during use, can knows by scale the distance that the bottom of adjusting nut 13 moves down; When the tension detecting device of elevator wire rope of the present invention carries out tension detect to the every root steel rope in the steel rope group of elevator, said method can be passed through, make the scale of moment knob 12 consistent, can carry out precompressed compression setting to each spring to precision.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The pulling force that the tension detecting device of elevator wire rope of the present invention can be used for suffered by direct measuring steel wire rope, precision is high; Also there is microprocessor simultaneously, can the pressure data that obtains of processing pressure sensor now, and by wireless launcher, the data after microprocessor analysis process to be emitted; Described receive data by wireless device is used for receiving the data that send of wireless launcher; Described receive data by wireless device can be positioned at elevator outside, thus makes detection more convenient; Described control apparatus can regulate the precompressed compression to pressure sensor, thus when measuring many steel ropes, the end of every root steel rope is all provided with the tension detecting device of elevator wire rope, precompressed compression suffered by the pressure sensor on the tension detecting device of each elevator wire rope can be made consistent, to improve the accuracy rate to pull force calculation suffered by every root steel rope.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (9)

1. a tension detecting device for elevator wire rope, is characterized in that: comprise control apparatus, pressure sensor; One end of described control apparatus is arranged on pressure sensor; Described control apparatus and pressure sensor are respectively arranged with through hole; So that fag end combines the through hole that can be each passed through on control apparatus and pressure sensor; The pressure suffered by the other end of described pressure sensor energy perception control apparatus; Described control apparatus can regulate its height along the centerline direction of the through hole on it.
2. the tension detecting device of elevator wire rope according to claim 1, is characterized in that: described control apparatus, comprises upper nut, adjusting nut; Described adjusting nut is threaded with upper nut; The through hole of described adjusting nut is communicated with formation one through hole with the through hole of upper nut; Described through hole is the through hole on control apparatus.
3. the tension detecting device of elevator wire rope according to claim 2, is characterized in that: be provided with moment knob between described upper nut and adjusting nut; Moment device is provided with between described adjusting nut and moment knob.
4. the tension detecting device of the elevator wire rope according to Claims 2 or 3, is characterized in that: the excircle of described adjusting nut is provided with quick adjusting hole.
5. the tension detecting device of the elevator wire rope according to Claims 2 or 3, is characterized in that: the excircle of described adjusting nut is provided with equably 2 or multiple quick adjusting holes.
6. the tension detecting device of the elevator wire rope according to claim 1 or 2 or 3, it is characterized in that: also comprise a microprocessor, described microprocessor is connected with pressure sensor by data line, the pressure data obtained in order to processing pressure sensor.
7. the tension detecting device of elevator wire rope according to claim 6, is characterized in that: also comprise wireless launcher; Described wireless launcher is connected with microprocessor, in order to the data transmission after microprocessor processes analysis to be gone out.
8. the tension detecting device of elevator wire rope according to claim 7, is characterized in that: also comprise receive data by wireless device, and described receive data by wireless device is used for receiving the data that send of wireless launcher.
9. the tension detecting device of the elevator wire rope according to claim 1 or 2 or 3, is characterized in that: the upper end of described pressure sensor is provided with the first pad; Described first pad is provided with the first nut; Described first pad and the first nut are used for being fixed on by pressure sensor in fag end combination.
CN201310287172.7A 2013-07-10 2013-07-10 A kind of tension detecting apparatus of elevator wire rope Active CN104276469B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310287172.7A CN104276469B (en) 2013-07-10 2013-07-10 A kind of tension detecting apparatus of elevator wire rope

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Application Number Priority Date Filing Date Title
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CN104276469B CN104276469B (en) 2016-12-28

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105016159A (en) * 2015-06-10 2015-11-04 赵静 Shaft pressure monitoring inductive head of elevator
CN105197709A (en) * 2015-11-09 2015-12-30 中国矿业大学 Pressure sensor used for monitoring tension of steel wire rope of friction type winder
CN108203032A (en) * 2016-12-16 2018-06-26 日立电梯(中国)有限公司 A kind of elevator dragging wire rope tonometry adjusting apparatus and method
CN109250606A (en) * 2018-11-02 2019-01-22 广州广日电梯工业有限公司 A kind of elevator wire rope rope end device and steel wire tensioning power detection method
CN111758681A (en) * 2020-06-15 2020-10-13 舟山天沐水产科技有限公司 Device for detecting stress of net piece and purse seine using same
CN114538237A (en) * 2022-03-25 2022-05-27 甘肃博程技术咨询服务有限公司 Elevator steel wire rope online monitoring alarm system, method and device
CN114623968A (en) * 2022-03-08 2022-06-14 浙江省特种设备科学研究院 Steel wire rope dynamic tension measuring device based on EEMD and ML-ESN and prediction method

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CN87200558U (en) * 1987-01-17 1987-10-14 铁道部大桥工程局桥梁科学研究所 Force (applied to anchor cable)-measuring device
CN2219493Y (en) * 1994-06-08 1996-02-07 中国矿业大学 Unloading type steel wire rope tension detector
CN201417187Y (en) * 2009-03-18 2010-03-03 东莞市坚朗五金制品有限公司 Rod-cable force measurer
CN101769075A (en) * 2008-12-30 2010-07-07 中铁西北科学研究院有限公司深圳南方分院 Method for detecting concrete beam anchor lower prestress and device for realizing method
CN101839780A (en) * 2009-12-23 2010-09-22 中国恩菲工程技术有限公司 Carrier cable tension measurement and regulation device
CN203359719U (en) * 2013-07-10 2013-12-25 苏州博菱达传动设备有限公司 Tension detection device of elevator steel wire rope

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87200558U (en) * 1987-01-17 1987-10-14 铁道部大桥工程局桥梁科学研究所 Force (applied to anchor cable)-measuring device
CN2219493Y (en) * 1994-06-08 1996-02-07 中国矿业大学 Unloading type steel wire rope tension detector
CN101769075A (en) * 2008-12-30 2010-07-07 中铁西北科学研究院有限公司深圳南方分院 Method for detecting concrete beam anchor lower prestress and device for realizing method
CN201417187Y (en) * 2009-03-18 2010-03-03 东莞市坚朗五金制品有限公司 Rod-cable force measurer
CN101839780A (en) * 2009-12-23 2010-09-22 中国恩菲工程技术有限公司 Carrier cable tension measurement and regulation device
CN203359719U (en) * 2013-07-10 2013-12-25 苏州博菱达传动设备有限公司 Tension detection device of elevator steel wire rope

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105016159A (en) * 2015-06-10 2015-11-04 赵静 Shaft pressure monitoring inductive head of elevator
CN105197709A (en) * 2015-11-09 2015-12-30 中国矿业大学 Pressure sensor used for monitoring tension of steel wire rope of friction type winder
CN105197709B (en) * 2015-11-09 2017-07-11 中国矿业大学 A kind of pressure sensor monitored for friction type winder steel wire rope tension
CN108203032A (en) * 2016-12-16 2018-06-26 日立电梯(中国)有限公司 A kind of elevator dragging wire rope tonometry adjusting apparatus and method
CN109250606A (en) * 2018-11-02 2019-01-22 广州广日电梯工业有限公司 A kind of elevator wire rope rope end device and steel wire tensioning power detection method
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
CN111758681A (en) * 2020-06-15 2020-10-13 舟山天沐水产科技有限公司 Device for detecting stress of net piece and purse seine using same
CN111758681B (en) * 2020-06-15 2021-12-14 舟山天沐水产科技有限公司 Device for detecting stress of net piece and purse seine using same
CN114623968A (en) * 2022-03-08 2022-06-14 浙江省特种设备科学研究院 Steel wire rope dynamic tension measuring device based on EEMD and ML-ESN and prediction method
CN114623968B (en) * 2022-03-08 2023-08-15 浙江省特种设备科学研究院 Steel wire rope dynamic tension measuring device and prediction method based on EEMD and ML-ESN
CN114538237A (en) * 2022-03-25 2022-05-27 甘肃博程技术咨询服务有限公司 Elevator steel wire rope online monitoring alarm system, method and device

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Address after: 215021 No. 228 Tung Road, Suzhou Industrial Park, Jiangsu, China

Patentee after: Suzhou Balance Elevator Technology Co., Ltd.

Address before: 215021 No. 228 Tung Road, Suzhou Industrial Park, Jiangsu, China

Patentee before: SUZHOU BALANCED TRANSMISSION EQUIPMENT CO., LTD.