CN105823697B - A kind of device for cable folding experiment - Google Patents
A kind of device for cable folding experiment Download PDFInfo
- Publication number
- CN105823697B CN105823697B CN201610398470.7A CN201610398470A CN105823697B CN 105823697 B CN105823697 B CN 105823697B CN 201610398470 A CN201610398470 A CN 201610398470A CN 105823697 B CN105823697 B CN 105823697B
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- cable
- crank
- mounting platform
- motion
- fixed
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
Abstract
A kind of device for cable folding experiment comprising：Counter, rack, cable mounting platform, motion, shaft coupling, speed reducer and servo motor；Wherein, cable mounting platform includes movable plate and fixed plate；Crank and rocker mechanism includes crank and connecting rod；And cable mounting platform is equipped with hole and mounting groove, cable one end is fixed in mounting groove across the hole using nylon rope, the other end is fixed on motion；Speed reducer is connected with servo motor, and speed reducer output shaft is connect by shaft coupling with motion；Motion uses crank and rocker mechanism, on crank mechanism installation detection rotating speed close to switch, connect close to switch with counter；The fixed plate of cable mounting platform is fixedly connected with rack, is flexibly connected by shaft between the movable plate of cable mounting platform, fixed plate；Crank one end is connect with rack, and the crank other end is connect with connecting rod one end, and the connecting rod other end is fixed with movable plate.
Description
Technical field
The present invention relates to field of measuring technique more particularly to a kind of devices for cable folding experiment.
Background technology
The characteristics of bunch of cables is to be intended to high pressure, high-power, complicated and large number of.Become according to the development of current technology
From the point of view of gesture, bunch of cables is by the more complicated of change, and life requirements is longer, times of exercise is more, and use environment is more severe.Cable
In actual application, it is constantly subjected to the influence of itself and external environment and mechanical environment, but it is required still to be able to normal work
Make.This just needs to verify it with testing equipment.It is divided with pilot project, environmental test, life test, acceleration can be divided into
Experiment and various special tests.Wherein cable folding test is exactly an important life experiment, continuously not with determining angle
Disconnected bending reaches bending times as defined in product and is qualification without outer conductor exception.This experiment is now mostly by artificial complete
At, for carry for improve bending test result accuracy, reduce artificial labor intensity, carried herein for the needs of actual use
Full automatic cable folding test device is gone out.
Invention content
The present invention provides a kind of device for cable folding experiment so that the rate and number of cable folding are easier essence
Really control.
The present invention is achieved through the following technical solutions：
A kind of device for cable folding experiment comprising：Counter, rack, cable mounting platform, motion,
Shaft coupling, speed reducer and servo motor；Wherein, cable mounting platform includes movable plate and fixed plate；Crank and rocker mechanism includes
Crank and connecting rod；And cable mounting platform is equipped with hole and mounting groove, is fixed cable one end across the hole using nylon rope
In mounting groove, the other end is fixed on motion；
Speed reducer is connected with servo motor, and speed reducer output shaft is connect by shaft coupling with motion；Motion is adopted
With crank and rocker mechanism, on crank mechanism installation detection rotating speed close to switch, connect close to switch with counter；Cable is pacified
The fixed plate of assembling platform is fixedly connected with rack, is flexibly connected by shaft between the movable plate of cable mounting platform, fixed plate；
Crank one end is connect with rack, and the crank other end is connect with connecting rod one end, and the connecting rod other end is fixed with movable plate.
Effect is preferable：On cable mounting platform polyimide layer is bonded on each wall of mounting groove.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention can ensure that torque and the accurate output of speed, bending rate is adjustable using servo motor；Using counting
Device can be used for all cable folding experiments to verify the performance of cable with the bending number of real-time display and record cable.Its
In, the transmission mechanism that servo motor, motor reducer, shaft coupling form, output torque, rotating speed size is adjustable；Motion can
Angle to ensure cable folding is arbitrary adjustable within the scope of 0~90 °；Counter can be with the bending of real-time display and record cable
Number；Cable mounting platform can install any number of cable and carry out cripping test, can be from platform by binding, fixed cable
Platform can guarantee that cable cannot be all damaged at any time during upper easy dismounting, experiment.
Description of the drawings
Fig. 1 is the schematic device for cable folding experiment of the present invention.
Fig. 2 is the motion schematic diagram of the present invention.
In figure：1- counters, 2- racks, 3- cables mounting platform, 4- motions, 5- shaft couplings, 6- slow down
Machine, 7- servo motors.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As depicted in figs. 1 and 2, a kind of device for cable folding experiment comprising：Counter 1, rack 2, cable peace
Assembling platform 3, motion 4, shaft coupling 5, speed reducer 6 and servo motor 7；
Wherein, cable mounting platform 3 includes movable plate and fixed plate；Crank and rocker mechanism includes crank and connecting rod；And electricity
Cable mounting platform 3 is equipped with hole and mounting groove, and cable one end is fixed in mounting groove across the hole using nylon rope, another
End is fixed on motion 4；
Speed reducer 6 and servo motor 7 connect, and 6 output shaft of speed reducer is connect by shaft coupling 5 with motion 4；Fitness machine
Structure 4 uses crank and rocker mechanism, on crank mechanism installation detection rotating speed close to switch, connect close to switch with counter 1；
The fixed plate of cable mounting platform 3 is fixedly connected with rack 2, passes through shaft between the movable plate of cable mounting platform 3, fixed plate
Flexible connection；Crank one end is connect with rack 2, and the crank other end is connect with connecting rod one end, and the connecting rod other end is fixed with movable plate.
On cable mounting platform 3 polyimide layer is bonded on each wall of mounting groove.
Wherein, motion 4 is designed by crank and rocker mechanism (min >=40 ° minimum transmission angle γ), and AB is crank, and BC is
Connecting rod, CD are rocking bar (i.e. movable plate), and AD is rack.Rocking bar length CD, two poles of rocking bar are determined according to sample of cable length
Extreme position C1D and C2D, ∠ C1DC2For cable folding angle (0~90 ° arbitrary adjustable), according to the bar strip of crank and rocker mechanism
Part determines the length of crank, connecting rod, rack.
Servo motor 7, speed reducer 6, shaft coupling 5, Rotating speed measring and counter 1 form the transmission mechanism system.According to examination
Test the rotating speed of the crank mechanism of requirement, the servo motor 7 of torque selection small-power low inertia, it is desirable that rated output rotating speed>
3000r/m, rated output torque>0.5Nm, motor servo driver select single phase ac 220V inputs, with motor encoder
Speed closed loop is constituted, ensures permanent rotating speed output.6 output shaft of speed reducer is coupled by shaft coupling 5 with crank mechanism.In crank mechanism
Upper installation detection rotating speed close to switch, actually measured tacho-pulse is inputted counter 1, counter 1 is cumulative to reach setting meter
Output signal after numerical value, system stop.
Cable is being bound when being bent to maximum angle, and kidney-shaped binding hole is opened in 3 both sides of cable mounting platform, uses nylon
Cable is fixed on binding hole by rope, places cable and opposite sliding occurs in bending；It not will produce and rub between guarantee cable
Wipe and winding, between different cables binding in different sample mounting grooves, place well width should twice of cable beam diameter with
On；To ensure that cable will not encounter platform in motion process, it is bonded Kapton Tape in cable mounting groove and is isolated.
Embodiment
Motor via reducer drives crank every revolution, drives rocking bar to be swung within the scope of 0-60 ° once by connecting rod.
Conducting wire one end is fixed on rack (fixed plate), and the other end is fixed on rocking bar (movable plate).Debugging is grown by bar repeatedly, finally
It determines：
AC1=360
AC2=170
AB=95
BC=265
AD=269.64
γmin=41.2 °
Meet the requirement of minimum transmission angle >=40 °.
Servo motor selects the HG-KR23 type servo motors of Mitsubishi, work(in cable folding experimental rig motion structure
Rate：200W, rated speed：3000r/min, nominal torque：0.64Nm, peak torque：2.2N·m；Speed reducer selects Hubei
The 160 of planet company production:1 PL-80 planetary reducers, full load efficiency 90%；Shaft coupling selects Mai Er companies of Germany
Smartflex932.343 type shaft couplings can compensate for axis, angle and radial missing, and gapless is coupled, play-free torque transmission；Meter
Number device selects Japanese silver dollar company KCU-S types plus-minus setting counter；It is the APS-30- of Japanese silver dollar company production close to switch
The close switch of 4N types.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (2)
1. a kind of device for cable folding experiment, including rack (2), motion (4) and servo motor (7), wherein
Motion (4) uses crank and rocker mechanism, and crank and rocker mechanism includes crank and connecting rod；It is characterized in that：Further include：Meter
Number device (1), cable mounting platform (3), shaft coupling (5), speed reducer (6)；Wherein, cable mounting platform (3) include movable plate and
Fixed plate；And cable mounting platform (3) is equipped with hole and mounting groove, is fixed on cable one end across the hole using nylon rope
In mounting groove, the other end is fixed on motion (4)；
Speed reducer (6) and servo motor (7) connection, speed reducer (6) output shaft are connect by shaft coupling (5) with motion (4)；
On crank and rocker mechanism installation detection rotating speed close to switch, connect close to switch with counter (1)；Cable mounting platform
(3) fixed plate is fixedly connected with rack (2), is connected by shaft activity between the movable plate of cable mounting platform (3), fixed plate
It connects；Crank one end is connect with rack (2), and the crank other end is connect with connecting rod one end, and the connecting rod other end is fixed with movable plate.
2. a kind of device for cable folding experiment as described in claim 1, it is characterised in that：Cable mounting platform (3)
It is bonded polyimide layer on each wall of upper mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398470.7A CN105823697B (en) | 2016-06-07 | 2016-06-07 | A kind of device for cable folding experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398470.7A CN105823697B (en) | 2016-06-07 | 2016-06-07 | A kind of device for cable folding experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105823697A CN105823697A (en) | 2016-08-03 |
| CN105823697B true CN105823697B (en) | 2018-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610398470.7A Active CN105823697B (en) | 2016-06-07 | 2016-06-07 | A kind of device for cable folding experiment |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10024773B1 (en) * | 2017-01-13 | 2018-07-17 | The Boeing Company | System and method for loading a test asset |
| CN108195692A (en) * | 2017-11-30 | 2018-06-22 | 中国空间技术研究院 | Cable bending fatigue test mechanism on a kind of star |
| CN108832464A (en) * | 2018-06-06 | 2018-11-16 | 潘真清 | A kind of electric wire folding forceps |
| CN108787934B (en) * | 2018-06-06 | 2020-05-08 | 南京龙蟠电线电缆有限公司 | Cable bending and shearing integrated device |
| CN110208122B (en) * | 2019-05-08 | 2021-08-17 | 杭州电子科技大学 | Accelerated test method for wear resistance reliability of robot wire harness |
| CN112517794B (en) * | 2020-09-30 | 2023-08-25 | 国网浙江省电力有限公司湖州供电公司 | Cable bending device |
Citations (5)
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|---|---|---|---|---|
| FR2946431B1 (en) * | 2009-06-04 | 2011-06-24 | Leoni Wiring Systems France | METHOD AND INSTALLATION OF DOUBLE ORIENTATION FOLDING TEST |
| CN103185851A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Flexible cable buckling life testing device |
| CN103424323A (en) * | 2012-05-14 | 2013-12-04 | 海洋王（东莞）照明科技有限公司 | Cable bending fatigue testing device |
| CN104181056A (en) * | 2013-05-28 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Cable fatigue testing device |
| CN104181059A (en) * | 2013-05-28 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Cable fatigue test device |
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2016
- 2016-06-07 CN CN201610398470.7A patent/CN105823697B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2946431B1 (en) * | 2009-06-04 | 2011-06-24 | Leoni Wiring Systems France | METHOD AND INSTALLATION OF DOUBLE ORIENTATION FOLDING TEST |
| CN103185851A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Flexible cable buckling life testing device |
| CN103424323A (en) * | 2012-05-14 | 2013-12-04 | 海洋王（东莞）照明科技有限公司 | Cable bending fatigue testing device |
| CN104181056A (en) * | 2013-05-28 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Cable fatigue testing device |
| CN104181059A (en) * | 2013-05-28 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Cable fatigue test device |
Non-Patent Citations (2)
| Title |
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| "Experimental research on bending performance of structural cable";Zhihua Chen et al.;《Construction and Building Materials》;20150813;第96卷;第279-288页 * |
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| CN105823697A (en) | 2016-08-03 |
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