CN104777034B - Bunched cables trilobal cross Torsional Experiment System, test method and its experiment special fixture - Google Patents
Bunched cables trilobal cross Torsional Experiment System, test method and its experiment special fixture Download PDFInfo
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- CN104777034B CN104777034B CN201510221922.XA CN201510221922A CN104777034B CN 104777034 B CN104777034 B CN 104777034B CN 201510221922 A CN201510221922 A CN 201510221922A CN 104777034 B CN104777034 B CN 104777034B
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Abstract
The present invention provides a kind of bunched cables trilobal cross Torsional Experiment System, test method and its experiment special fixture, and fixture includes three cable connectors and a clamping device；The cable connectors include the aluminium hydraulic pressed connecting pipe and connector that connect as one；The internal diameter of the aluminium hydraulic pressed connecting pipe matches with the stranded conductor external diameter of test cable；It is threaded on the connector；The clamping device includes clamping box, connecting shaft and multiple bolts；The box that clamps includes installing plate, box plate and lid plate；The installing plate is arranged on and clamps box one end, is bolted cable connectors；The box plate and lid plate are detachably fixed by bolt；The connecting shaft is passed through and clamps box.The present invention can be very good reflection locomotive cable under the harsh condition of work such as low temperature, alternating bending, reversed torsion, the working life of cable.
Description
Technical field
The present invention relates to a kind of bunched cables trilobal cross Torsional Experiment System, test method and its experiment special fixture.
Background technology
Conventional flexible cable, people usually examine the resistance to torsion of its unit cable, and our locomotive cable inside is used
Line is numerous, complexity, and locomotive unavoidably occurs being reversed between multi-cable in the course of the work, and locomotive cable condition of work ten
Divide severe, cable resistance to twisting property and its service life under running conditions can not truly be reflected using simple torsion test,
Requirement more and more higher with client to locomotive cable, particularly external some countries of America and Europe propose strict to locomotive cable
Check requirements, in order to be able to the performance of true reflection locomotive cable product under various conditions is, it is necessary to develop more experiments
Required to meet user.
The content of the invention
First purpose of the invention is to provide a kind of bunched cables trilobal cross torsion test special fixture.
The technical scheme for realizing first purpose of the invention is bunched cables trilobal cross torsion test special fixture, including three
Individual cable connectors and a clamping device；The cable connectors include the aluminium hydraulic pressed connecting pipe and connector that connect as one；It is described
The internal diameter of aluminium hydraulic pressed connecting pipe matches with the stranded conductor external diameter of test cable；It is threaded on the connector；The clamping device
Including clamping box, connecting shaft and multiple bolts；The box that clamps includes installing plate, box plate and lid plate；The installing plate sets
Put and clamping box one end, be bolted cable connectors；The box plate and lid plate are detachably fixed by bolt；Institute
Connecting shaft is stated through clamping box.
Three cable connectors holes and a connecting shaft hole are set on the installing plate.
The connecting shaft passes through connecting shaft hole and installing plate interference fit.
The clamping device also includes intermediate plate.
Second object of the present invention is to provide a kind of bunched cables trilobal cross Torsional Experiment System.
The technical scheme for realizing second purpose of the invention is bunched cables trilobal cross Torsional Experiment System, including fixture and
Reverse plate；The fixture uses special fixture of the invention, and connecting shaft is connected with reverse plate.
Bunched cables trilobal cross Torsional Experiment System also includes temperature control equipment.
Third object of the present invention is to provide a kind of torsion test method of bunched cables trilobal cross Torsional Experiment System.
The technical scheme for realizing the 3rd purpose of the invention is the torsion test of bunched cables trilobal cross Torsional Experiment System
Method, comprises the following steps：
Step one：Cable connectors are installed；Peel cable under test outer layer off, expose stranded conductor；By the pressure of cable connectors
Conductor is inserted in adapter, compresses；One by one cable connectors are installed to three cable under test；
Step 2：The cable connectors that three cable under test for completing penetrate the installing plate of clamping device successively will be crimped
Hole, is fastened with bolt；Intermediate plate is fastened between three cable under test and box plate inwall；Lid plate is covered, is passed through with bolt
Lid plate, intermediate plate and box plate, fastening；
Step 3：Three cable under test binding straps are bundled, connecting shaft is connected with reverse plate；Vertical hanging is to be measured
Cable；
Step 4：Start reverse plate, cable under test is reversed；Check that there is flawless on cable under test surface；Soaked
Water alternating voltage 12.6kv/5min pressure tests, do not puncture and then enter step 5, puncture, and show not by reversing test；
Step 5：To be arranged on reverse plate again by the cable of pressure test of soaking, reversed, check electricity to be measured
Cable surface whether there is cracking or expansion, and alternating voltage 12.6kv/5min pressure tests of soaking are carried out again, if can not puncture,
And cable shield wire broken rate is less than 70%, conductor wire broken rate is less than 5%, then show cable by torsion test, otherwise for obstructed
Cross.
The torsion detailed process of the step 4 is：770 ° are first reversed clockwise, after then reversing equal angular counterclockwise
Original state is replied, another mistake hour hands reverse 770 °, equal angular is then reversed clockwise and is returned to original state, this is followed for one
Ring, circulates 4500 times, and the rotating speed of reverse plate is 10 °s/sec.
The torsion detailed process of the step 5 is：891 ° are first reversed clockwise, after then reversing equal angular counterclockwise
Original state is replied, another mistake hour hands reverse 891 °, equal angular is then reversed clockwise and is returned to original state, this is followed for one
Ring, circulates 65 times, and the rotating speed of reverse plate is 10 °s/sec.
Temperature range is -60 DEG C~60 DEG C in test process, and the location of cable under test requires that the temperature difference is no more than 3 DEG C.
The present invention has positive effect：(1) reflection locomotive cable is can be very good in low temperature, alternating bending, turn round repeatedly
Turn etc. under harsh condition of work, the working life of cable.(2) improve experiment stability.(3) it is particularly out to locomotive cable
Mouth locomotive cable provides reliable test data.
Brief description of the drawings
In order that present disclosure is easier to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail, wherein
Fig. 1 is the structural representation after special fixture of the invention and three cable assemblings.
Fig. 2 removes the schematic diagram of lid plate for Fig. 1.
Fig. 3 is the structural representation of cable connectors of the invention.
Fig. 4 is the side structure schematic diagram for clamping box of the invention.
Fig. 5 is the structural representation of installing plate of the invention.
In accompanying drawing marked as：
Cable connectors 1, aluminium hydraulic pressed connecting pipe 11, connector 12, screw thread 12-1, clamping device 2, clamp box 21, install
Plate 21-1, cable connectors hole 21-1-1, connecting shaft hole 21-1-2, box plate 21-2, lid plate 21-3, connecting shaft 22,
Bolt 23, cable under test 3, stranded conductor 31.
Specific embodiment
(embodiment 1)
See Fig. 1 to Fig. 5, the bunched cables trilobal cross torsion test special fixture of the present embodiment, including three cable connections
Part 1 and a clamping device 2；Cable connectors 1 include the aluminium hydraulic pressed connecting pipe 11 and connector 12 that connect as one；Aluminium hydraulic pressed connecting pipe 11 it is interior
Footpath matches with the stranded conductor external diameter of test cable；12-1 is threaded on connector 12；Clamping device 2 includes clamping box
21st, connecting shaft 22 and multiple bolts 23；Clamping box 21 includes installing plate 21-1, box plate 21-2 and lid plate 21-3；Installing plate
21-1 is arranged on and clamps the one end of box 21, and cable connectors 1 are fixed by bolt 23；Box plate 21-2 and lid plate 21-3 passes through spiral shell
Bolt 23 is detachably fixed；Connecting shaft 22 is passed through and clamps box 21.Set on installing plate 21-1 three cable connectors hole 21-1-1 and
One connecting shaft hole 21-1-2.Connecting shaft 22 passes through connecting shaft hole 21-1-2 and installing plate 21-1 interference fits.Clamping device 2 is also
Including intermediate plate.
The torsion test method and step of bunched cables trilobal cross Torsional Experiment System is：
Step one：Cable connectors 1 are installed；Peel the outer layer of cable under test 3 off, expose stranded conductor 31；By cable connectors 1
Aluminium hydraulic pressed connecting pipe 11 be inserted in conductor 31, compress；One by one cable connectors are installed to three cable under test 3；
Step 2：The cable that the installing plate 21-1 that three cable under test 3 for completing penetrate clamping device 2 successively will be crimped connects
Fitting hole 21-1-1, is fastened with bolt 23；Intermediate plate is fastened between three cable under test 3 and box plate 21-2 inwalls；Cover
Lid plate 23, lid plate 23, intermediate plate and box plate 21-2, fastening are passed through with bolt 23；
Step 3：Three cable under test 3 are bundled with binding strap, connecting shaft 22 is connected with reverse plate；Vertical hanging
Cable under test 3；
Step 4：Start reverse plate, cable under test 3 is reversed；770 ° are first reversed clockwise, are then reversed counterclockwise
Original state is replied after equal angular, another mistake hour hands reverse 770 °, equal angular is then reversed clockwise and is returned to original state,
This is a circulation, is circulated 4500 times, and the rotating speed of reverse plate is 10 °s/sec.Check that there is flawless on the surface of cable under test 3；Soaked
Alternating voltage 12.6kv/5min pressure tests, do not puncture and then enter step 5, puncture, and show not by reversing test；
Step 5：To be arranged on reverse plate again by the cable of pressure test of soaking, reversed, first turned round clockwise
Turn 891 °, original state is replied after equal angular is then reversed counterclockwise, another mistake hour hands reverse 891 °, and phase is then reversed clockwise
Original state is returned to angle, this is a circulation, is circulated 65 times, the rotating speed of reverse plate is 10 °s/sec.Check the table of cable under test 3
Face whether there is cracking or expansion, and alternating voltage 12.6kv/5min pressure tests of soaking are carried out again, if can not puncture, and electricity
Cable shielding wire broken rate is less than 70%, and conductor wire broken rate is less than 5%, then show cable by torsion test, otherwise not pass through.
Temperature range is -60 DEG C~60 DEG C in test process, and the location of cable under test 3 requires that the temperature difference is no more than 3 DEG C.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in guarantor of the invention
Within the scope of shield.
Claims (4)
1. the torsion test method of bunched cables trilobal cross Torsional Experiment System, it is characterised in that comprise the following steps：
Step one：Cable connectors (1) are installed；Peel cable under test (3) outer layer off, expose stranded conductor (31)；By cable connection
The aluminium hydraulic pressed connecting pipe (11) of part (1) is inserted in conductor (31), compresses；One by one cable connectors are installed to three cable under test (3)；
Step 2：The cable that three cable under test (3) for completing penetrate the installing plate (21-1) of clamping device (2) successively will be crimped
Connector aperture (21-1-1), is fastened with bolt (23)；Intermediate plate is fastened on three cable under test (3) and box plate (21-2) inwall
Between；Lid plate (21-3) is covered, with bolt (23) through lid plate (21-3), intermediate plate and box plate (21-2), fastening；
Step 3：Three cable under test (3) are bundled with binding strap, connecting shaft (22) is connected with reverse plate；Vertical hanging
Cable under test (3)；
Step 4：Start reverse plate, cable under test (3) is reversed；Check that there is flawless on cable under test (3) surface；Carry out
Immersion alternating voltage 12.6kv/5min pressure tests, do not puncture and then enter step 5, puncture, and show not by reversing test；
Step 5：To be arranged on reverse plate again by the cable of pressure test of soaking, reversed, check cable under test
(3) surface whether there is cracking or expansion, and alternating voltage 12.6kv/5min pressure tests of soaking are carried out again, if can not puncture,
And cable shield wire broken rate is less than 70%, conductor wire broken rate is less than 5%, then show cable by torsion test, otherwise for obstructed
Cross.
2. the torsion test method of bunched cables trilobal cross Torsional Experiment System according to claim 1, it is characterised in that：
The torsion detailed process of the step 4 is：770 ° are first reversed clockwise, reply initial after equal angular is then reversed counterclockwise
State, another mistake hour hands reverse 770 °, equal angular is then reversed clockwise and is returned to original state, and this is a circulation, circulation
4500 times, the rotating speed of reverse plate is 10 °s/sec.
3. the torsion test method of bunched cables trilobal cross Torsional Experiment System according to claim 2, it is characterised in that：
The torsion detailed process of the step 5 is：891 ° are first reversed clockwise, reply initial after equal angular is then reversed counterclockwise
State, another mistake hour hands reverse 891 °, equal angular is then reversed clockwise and is returned to original state, and this is a circulation, circulation 65
Secondary, the rotating speed of reverse plate is 10 °s/sec.
4., according to the torsion test method of the described bunched cables trilobal cross Torsional Experiment System of one of claims 1 to 3, it is special
Levy and be：Temperature range is -60 DEG C~60 DEG C in test process, and the location of cable under test (3) requires that the temperature difference is no more than 3
℃。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510221922.XA CN104777034B (en) | 2015-05-04 | 2015-05-04 | Bunched cables trilobal cross Torsional Experiment System, test method and its experiment special fixture |
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| CN201510221922.XA CN104777034B (en) | 2015-05-04 | 2015-05-04 | Bunched cables trilobal cross Torsional Experiment System, test method and its experiment special fixture |
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| CN104777034A CN104777034A (en) | 2015-07-15 |
| CN104777034B true CN104777034B (en) | 2017-06-27 |
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Cited By (1)
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| RU2753176C1 (en) * | 2019-04-19 | 2021-08-12 | Государственное Предприятие "Завод "Электротяжмаш" | Method and apparatus for testing output cables of traction electric engines for complex effect of mechanical and climatic loads |
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| CN106908337A (en) * | 2017-03-20 | 2017-06-30 | 苏州拓博机械设备有限公司 | A kind of wire twist testing machine |
| CN107727518B (en) * | 2017-08-23 | 2020-03-20 | 安徽凌宇电缆科技有限公司 | Cable performance testing device and cable performance testing method applying same |
| CN108931443A (en) * | 2018-05-30 | 2018-12-04 | 莱茵检测认证服务（中国）有限公司 | The warp resistance detection method of 6kV to 35kV wind generator system flexible cable |
| CN112461680B (en) * | 2020-11-17 | 2024-02-20 | 安徽电缆股份有限公司 | Reciprocating torsion test equipment for cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201392276Y (en) * | 2009-03-17 | 2010-01-27 | 上海电缆研究所 | Torsion test equipment of cable conductor |
| CN202737389U (en) * | 2012-08-20 | 2013-02-13 | 浙江万马电缆股份有限公司 | Novel three-core waterproof traction head |
| CN103698283A (en) * | 2013-12-27 | 2014-04-02 | 中国科学院电子学研究所 | Multichannel spectral detection system and detection method thereof |
| CN103760041A (en) * | 2014-02-20 | 2014-04-30 | 中船重工(重庆)海装风电设备有限公司 | Cable set twisting test method |
| CN103926142A (en) * | 2014-05-04 | 2014-07-16 | 太仓浩湖五金制品有限公司 | Vacuum fixture for detecting tensile strength of cables |
| CN104165810B (en) * | 2014-08-04 | 2016-05-18 | 常熟市环境试验设备有限公司 | Optical cable twist and warping experimental rig |
| CN104165809B (en) * | 2014-08-04 | 2016-05-18 | 常熟市环境试验设备有限公司 | Fiber optic cable twist test device |
| CN204694546U (en) * | 2015-05-04 | 2015-10-07 | 远东电缆有限公司 | Bunched cables trilobal cross Torsional Experiment System and test unit clamp thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2753176C1 (en) * | 2019-04-19 | 2021-08-12 | Государственное Предприятие "Завод "Электротяжмаш" | Method and apparatus for testing output cables of traction electric engines for complex effect of mechanical and climatic loads |
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Effective date of registration: 20200519 Address after: 214257 No.5, Fanxing Road, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: JIANGSU HUADONG SMART CABLE DETECTION Co.,Ltd. Address before: No. 8, Gaocheng Town, Yixing city of Jiangsu Province, Wuxi City, the Far East Avenue 214257 Co-patentee before: NEW FAR EAST CABLE Co.,Ltd. Patentee before: FAR EAST CABLE Co.,Ltd. Co-patentee before: FAR EAST COMPOSITE TECHNOLOGY Co.,Ltd. |