CN111474064A - Cable torsion bending tester - Google Patents
Cable torsion bending tester Download PDFInfo
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- CN111474064A CN111474064A CN202010193592.9A CN202010193592A CN111474064A CN 111474064 A CN111474064 A CN 111474064A CN 202010193592 A CN202010193592 A CN 202010193592A CN 111474064 A CN111474064 A CN 111474064A
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- 238000005452 bending Methods 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000000523 sample Substances 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 23
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- 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
- G01N3/02—Details
- G01N3/04—Chucks
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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
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a cable torsion bending testing machine which comprises a rack, a control unit, a transmission clamping assembly and a testing platform, wherein the transmission clamping assembly comprises a motor and a cable clamp, the testing platform comprises a platform surface and fixing rotary bases, the platform surface is at least provided with three fixing rotary bases, and the fixing rotary bases are distributed on the platform surface along an arc line in a horizontal plane. The cable torsional bending tester provided by the invention has the advantages of compact structure, reasonable design, integration of torsional bending tests, short test period, simple structure, low cost, convenience in operation and wide application range, the range of a test sample can be expanded by replacing the transmission clamping assembly and the fixed rotary seat, the test radius can be changed by adjusting the position of the fixed rotary seat, and different test purposes can be achieved. The cable torsion bending tester is suitable for cables with certain rigidity, such as submarine optical cables, submarine cables and components thereof, and is suitable for performance detection and quality supervision in the cable industry.
Description
Technical Field
The invention relates to the technical field of cable detection equipment, in particular to a cable torsion bending tester.
Background
For production and test factories of cables, wires and the like, and cables and the like need to be subjected to repeated bending and torsion tests after production to detect fatigue performance and other defects. The existing test scheme is carried out on two independent test devices, the test period is long, the test radius is not easy to adjust, and personnel supervision is needed.
An automatic control torsion bending tester, such as a cable bending and torsion integrated tester disclosed in Chinese patent publication CN103353392A, belongs to the technical field of optical and cable wiring equipment testing devices. It includes the frame platform, the frame platform on be equipped with rotary fixture control box, crooked mounting fixture in proper order and twist reverse mounting fixture, rotary fixture control box in be equipped with servo motor and the reduction gear of being connected with servo motor, servo motor's output shaft on fixed rotary fixture and the torque sensor of setting, torque sensor, servo motor and retarder connection external control center. Although the design can be used for testing the bending and twisting of the cable on one device, the device volume is saved, the synchronous testing of the bending and twisting of the cable still cannot be realized, meanwhile, the design is prone to the testing of soft wires and cables, the rotating speed of the device is slow by 2 circles/minute, the number of cycles is small and is less than 20 circles, the bending radius cannot be guaranteed, and only a test sample can be bent.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a cable torsion bending tester.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cable twists reverse bending test machine, include the frame, set up in the control unit in the frame, set up in transmission centre gripping subassembly in the frame, set up in testboard in the frame, transmission centre gripping subassembly including set up in motor in the frame, set up in the epaxial cable anchor clamps of motor, the testboard include with the parallel mesa of axis of rotation of cable anchor clamps, set up in on the mesa and with the fixed swivel mount of being connected by the rotation of measuring cable, be equipped with three fixed swivel mount on the mesa at least, fixed swivel mount is in along an arc line distribution in the horizontal plane on the mesa, fixed swivel mount's distribution arc line certainly cable anchor clamps front side extends to the front side.
The cable torsional bending testing machine of this design compact structure, reasonable in design collects the torsional bending test in an organic whole, and test cycle is short to change transmission centre gripping subassembly and fixed swivel mount and can enlarge the scope of test sample, the position of the fixed swivel mount of adjustment can change the test radius, reaches different test purposes, simple structure, and is with low costs, convenient operation, and application scope is wide. The cable torsion bending tester is suitable for cables with certain rigidity, such as submarine optical cables, submarine cables and components thereof, and is suitable for performance detection and quality supervision in the cable industry.
As a further improvement of the design, the table board is a punching screen board, so that the fixed rotary seat can be conveniently arranged at different positions according to test requirements, the test radius is changed, and the adjustment is convenient.
As a further improvement of the design, the fixed rotary seat is detachably and mechanically connected with the table-board, so that the fixed rotary seat can be conveniently disassembled, assembled and adjusted.
As a further improvement of the design, the fixed rotary seat comprises a bolt connected with the table board, a bearing seat arranged at the top of the bolt, and a bearing arranged in the bearing seat, wherein the rotation axis of the bearing is horizontal, so that the friction force between the tested cable and the fixed rotary seat is reduced, the detection precision is improved, and the structure is simple.
As a further improvement of the design, the bearing seat is circular, the bearing is located in a circular ring structure of the bearing seat, screws are distributed on the periphery of the bearing seat in an annular array mode, and the heads of the screws in threaded connection with the bearing seat abut against the periphery of the outer ring of the bearing. The bearing of different specifications of quick replacement is convenient for, realize with the cable assembly of different external diameters.
As a further improvement of the design, the cable clamp is a triangular chuck which is used for clamping one end of the tested cable, the structure is simple, and the clamping is convenient.
As a further improvement of this design, the control unit includes the infrared counter subassembly that is used for calculating the cable under test, the infrared counter subassembly include the probe, set up in on the cable and along the radial mark piece that extends of cable, with probe communication connection's infrared counter main part, a point on the mark piece rotational path is located the detection scope of probe, promptly the mark piece passes the detection point of probe once, and infrared counter main part realizes once the count. The structure is simple, and the accurate rotating speed of the tested cable can be calculated conveniently.
As a further improvement of the design, the control unit is electrically connected with the motor, and a main shaft of the motor is mechanically connected with the cable clamp, so that the automatic control is facilitated.
The invention has the beneficial effects that: the cable torsional bending tester provided by the invention has the advantages of compact structure, reasonable design, integration of torsional bending tests, short test period, simple structure, low cost, convenience in operation and wide application range, the range of a test sample can be expanded by replacing the transmission clamping assembly and the fixed rotary seat, the test radius can be changed by adjusting the position of the fixed rotary seat, and different test purposes can be achieved. The cable torsion bending tester is suitable for cables with certain rigidity, such as submarine optical cables, submarine cables and components thereof, and the bending torsion is used for measuring the fatigue performance of products and is used for measuring the service life. The rotating speed of the design is adjustable from 0 to 180 revolutions per minute, the single cycle is 10 ten thousand times, the cycles can be continuously overlapped, the position of the bearing seat can be adjusted, the bending radius can be changed, and the uniformity of the bending curvature of a sample can be ensured by increasing the number of the bearing seats.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic top view of the present invention.
FIG. 2 is a schematic view of the fixed turret and table mounting structure of the present invention.
In the figure, 1, a machine frame, 2, a control unit, 3, an infrared counter main body, 4, a motor, 5, a cable clamp, 6, a fixed rotary seat, 7, a tested cable, 8, a table board, 9, a bearing seat, 10, a bearing, 11, a screw, 12, a bolt, 13, a marking block and 14, a probe are arranged.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
Example (b): the utility model provides a cable twists reverse bending test machine, include frame 1, set up in the control unit 2 in the frame 1, set up in transmission centre gripping subassembly in the frame 1, set up in testboard in the frame, transmission centre gripping subassembly including set up in motor 4 in the frame 1, set up in the epaxial cable anchor clamps 5 of motor 4, the testboard include with the parallel mesa 8 of axis of rotation of cable anchor clamps 5, set up in on the mesa 8 and with the fixed swivel mount 6 of being connected by 7 rotations of measuring cable, be equipped with three fixed swivel mount 6 on the mesa 8 at least, fixed swivel mount 6 is in along an pitch arc distribution in the horizontal plane on the mesa 8, fixed swivel mount 6's distribution pitch arc certainly 5 preceding sides of cable anchor clamps extend to the front side.
The cable torsional bending testing machine of this design compact structure, reasonable in design collects the torsional bending test in an organic whole, and test cycle is short to change transmission centre gripping subassembly and fixed swivel mount 6 and can enlarge the scope of test sample, the position of the fixed swivel mount 6 of adjustment can change the test radius, reaches different test purposes, simple structure, and is with low costs, convenient operation, and application scope is wide. The cable torsion bending tester is suitable for cables with certain rigidity, such as submarine optical cables, submarine cables and components thereof, and is suitable for performance detection and quality supervision in the cable industry.
As the further improvement of this design, mesa 8 is the otter board that punches a hole, is convenient for set up fixed swivel mount 6 in different positions according to the test needs, then changes the test radius, and the adjustment is convenient.
As a further improvement of the design, the fixed swivel mount 6 is detachably and mechanically connected with the table top 8, so that the fixed swivel mount 6 can be conveniently detached and adjusted.
As a further improvement of the design, the fixed swivel mount 6 comprises a bolt 12 connected with the table top 8, a bearing seat 9 arranged at the top of the bolt 12, and a bearing 10 arranged in the bearing seat 9, wherein the rotation axis of the bearing 10 is horizontal, so that the friction force between the cable 7 to be detected and the fixed swivel mount 6 is reduced, the detection precision is improved, and the structure is simple.
As a further improvement of the design, the bearing seat 9 is in a circular ring shape, the bearing 10 is located in the circular ring-shaped structure of the bearing seat 9, the screws 11 are distributed on the periphery of the bearing seat 9 in an annular array manner, and the heads of the screws 11 and the bearing seat 9 in threaded connection abut against the periphery of the outer ring of the bearing 10. The bearing 10 of different specifications is convenient for quick replacement, realizes with the cable assembly of different external diameters.
As a further improvement of the design, the cable clamp 5 is a triangular chuck which is used for clamping one end of the tested cable 7, and the cable clamp is simple in structure and convenient to clamp.
As a further improvement of the present design, the control unit 2 includes an infrared counter assembly for counting a cable to be measured, the infrared counter assembly includes a probe 14, a mark block 13 disposed on the cable and extending along a radial direction of the cable, and an infrared counter body 3 in communication connection with the probe 14, a point on a rotation path of the mark block 13 is located in a detection range of the probe 14, that is, the mark block 13 rotates past a detection point of the probe 14, and the infrared counter body 3 realizes a counting.
As a further improvement of the design, the control unit 2 is electrically connected with the motor 4, and a main shaft of the motor 4 is mechanically connected with the cable clamp 5, so that the automation control is facilitated.
When the test platform works, the positions of the fixed rotary bases 6 on the platform surface 8 are fixed according to the test radius, the fixed rotary bases 6 are ensured to be distributed at equal intervals, and the plane of the bearing 10 is perpendicular to the circumference of the test radius. The bearing 10 is chosen to match the inside diameter, depending on the outside diameter of the sample, to ensure that the gap between the two is as small as possible. The sample passes through the inner ring of the bearing 10 of each fixed rotary seat 6 in turn, and one end of the sample is clamped and fixed by a three-jaw chuck of the transmission clamping assembly. The control unit 2 is provided with the twisting speed, the twisting times and the twisting direction of the motor 4, and inputs data such as testing radius, testing radian, sample information and the like. The motor 4 is started, and the motor 4 drives the tested cable 7 to rotate in the bearing 10 through the transmission clamping component. The infrared counter 3 records the number of times of torsion in real time and transmits the number of times of torsion to the control unit 2, and when the number of times of torsion reaches the setting, the motor 4 is automatically stopped, and personnel supervision is not needed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a cable twists reverse bending test machine, include the frame, set up in the control unit in the frame, set up in transmission centre gripping subassembly in the frame, set up in testboard in the frame, its characterized in that, transmission centre gripping subassembly including set up in motor in the frame, set up in the epaxial cable anchor clamps of main of motor, the testboard include with the parallel mesa of axis of rotation of cable anchor clamps, set up in on the mesa and with the fixed swivel mount of being connected of being surveyed cable rotation, be equipped with three fixed swivel mount on the mesa at least, fixed swivel mount is in along an arc line distribution in the horizontal plane on the mesa, the distribution arc line of fixed swivel mount certainly cable anchor clamps front side extends to the front side.
2. The cable torsional bending tester of claim 1, wherein the table is a perforated screen.
3. A cable torsional bending tester as claimed in any one of claims 1 or 2, wherein the fixed swivel mount is removably mechanically connected to the table.
4. The cable torsion bending tester according to claim 3, wherein the fixed swivel mount comprises a bolt connected to the table, a bearing seat disposed on top of the bolt, and a bearing disposed in the bearing seat, and the rotation axis of the bearing is horizontal.
5. The cable torsion bending tester of claim 4, wherein the bearing seat is circular, the bearing is located in a circular ring structure of the bearing seat, the screws are distributed on the periphery of the bearing seat in an annular array, and the head of the screw in threaded connection with the bearing seat abuts against the periphery of the outer ring of the bearing.
6. The cable torsional bending tester of claim 1, wherein the cable clamp is a triangular chuck for clamping one end of the cable under test.
7. The cable torsion bending tester according to claim 1, wherein the control unit comprises an infrared counter assembly for counting the tested cable, the infrared counter assembly comprises a probe, a marking block arranged on the cable and extending along the radial direction of the cable, and an infrared counter body in communication connection with the probe, one point on the rotation path of the marking block is located in the detection range of the probe, namely the marking block rotates past the detection point of the probe once, and the infrared counter body realizes one counting.
8. The cable torsional bending tester of claim 1, wherein the control unit is electrically connected to the motor, and a spindle of the motor is mechanically connected to the cable clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010193592.9A CN111474064A (en) | 2020-03-18 | 2020-03-18 | Cable torsion bending tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010193592.9A CN111474064A (en) | 2020-03-18 | 2020-03-18 | Cable torsion bending tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111474064A true CN111474064A (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010193592.9A Pending CN111474064A (en) | 2020-03-18 | 2020-03-18 | Cable torsion bending tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN111474064A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033824A (en) * | 2020-08-31 | 2020-12-04 | 宁波耀泰电器有限公司 | Torsion tester and torsion testing method thereof |
| CN112798435A (en) * | 2021-04-06 | 2021-05-14 | 江西酷芒科技有限公司 | Anti deformation test system of cable plastic tubing |
| CN113588540A (en) * | 2021-06-28 | 2021-11-02 | 安徽楚江高新电材有限公司 | Method and equipment for detecting flexibility of lead |
| CN114323929A (en) * | 2022-01-12 | 2022-04-12 | 上海航空材料结构检测股份有限公司 | Solid round thin steel wire rotary bending fatigue testing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738346A (en) * | 2010-01-06 | 2010-06-16 | 江苏兴达钢帘线股份有限公司 | Torsion mechanism for testing torsional fatigue of wire |
| JP2012149991A (en) * | 2011-01-19 | 2012-08-09 | Yuasa System Kiki Kk | Simultaneous bending and twisting testing machine |
| CN103353392A (en) * | 2013-06-08 | 2013-10-16 | 杭州首航实业有限公司 | Automatically-controlled torsion-bend tester |
| CN204228543U (en) * | 2014-09-18 | 2015-03-25 | 深圳高品检测设备有限公司 | Bending-torsion testing machine |
| CN105259049A (en) * | 2015-11-06 | 2016-01-20 | 北华航天工业学院 | Method and equipment for testing bending and twisting properties of steel wire rope |
| CN107091783A (en) * | 2017-03-20 | 2017-08-25 | 苏州拓博机械设备有限公司 | A kind of combined type electric wire torsional bending testing machine |
| CN109142090A (en) * | 2018-08-15 | 2019-01-04 | 天津大学 | A kind of tension and compression bending Multi-axial Loading fatigue experimental device |
| CN109668788A (en) * | 2018-12-24 | 2019-04-23 | 太原理工大学 | A kind of Full-automatic steel wire rope mechanics properties testing system and detection method |
| CN208845587U (en) * | 2018-09-21 | 2019-05-10 | 福建莆田给力机械制造有限公司 | A kind of bearing mounting base |
| CN110646298A (en) * | 2019-09-04 | 2020-01-03 | 金华送变电工程有限公司 | Bending and twisting integrated testing machine for post insulator |
-
2020
- 2020-03-18 CN CN202010193592.9A patent/CN111474064A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738346A (en) * | 2010-01-06 | 2010-06-16 | 江苏兴达钢帘线股份有限公司 | Torsion mechanism for testing torsional fatigue of wire |
| JP2012149991A (en) * | 2011-01-19 | 2012-08-09 | Yuasa System Kiki Kk | Simultaneous bending and twisting testing machine |
| CN103353392A (en) * | 2013-06-08 | 2013-10-16 | 杭州首航实业有限公司 | Automatically-controlled torsion-bend tester |
| CN204228543U (en) * | 2014-09-18 | 2015-03-25 | 深圳高品检测设备有限公司 | Bending-torsion testing machine |
| CN105259049A (en) * | 2015-11-06 | 2016-01-20 | 北华航天工业学院 | Method and equipment for testing bending and twisting properties of steel wire rope |
| CN107091783A (en) * | 2017-03-20 | 2017-08-25 | 苏州拓博机械设备有限公司 | A kind of combined type electric wire torsional bending testing machine |
| CN109142090A (en) * | 2018-08-15 | 2019-01-04 | 天津大学 | A kind of tension and compression bending Multi-axial Loading fatigue experimental device |
| CN208845587U (en) * | 2018-09-21 | 2019-05-10 | 福建莆田给力机械制造有限公司 | A kind of bearing mounting base |
| CN109668788A (en) * | 2018-12-24 | 2019-04-23 | 太原理工大学 | A kind of Full-automatic steel wire rope mechanics properties testing system and detection method |
| CN110646298A (en) * | 2019-09-04 | 2020-01-03 | 金华送变电工程有限公司 | Bending and twisting integrated testing machine for post insulator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033824A (en) * | 2020-08-31 | 2020-12-04 | 宁波耀泰电器有限公司 | Torsion tester and torsion testing method thereof |
| CN112798435A (en) * | 2021-04-06 | 2021-05-14 | 江西酷芒科技有限公司 | Anti deformation test system of cable plastic tubing |
| CN112798435B (en) * | 2021-04-06 | 2021-08-24 | 江西酷芒科技有限公司 | Anti deformation test system of cable plastic tubing |
| CN113588540A (en) * | 2021-06-28 | 2021-11-02 | 安徽楚江高新电材有限公司 | Method and equipment for detecting flexibility of lead |
| CN114323929A (en) * | 2022-01-12 | 2022-04-12 | 上海航空材料结构检测股份有限公司 | Solid round thin steel wire rotary bending fatigue testing machine |
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Application publication date: 20200731 |