CN110132754A - One kind circumnutates test equipment - Google Patents
One kind circumnutates test equipment Download PDFInfo
- Publication number
- CN110132754A CN110132754A CN201910452038.5A CN201910452038A CN110132754A CN 110132754 A CN110132754 A CN 110132754A CN 201910452038 A CN201910452038 A CN 201910452038A CN 110132754 A CN110132754 A CN 110132754A
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- test
- circumnutates
- cable
- test equipment
- sheave
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending 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 present invention discloses one kind and circumnutates test equipment, including testboard, test sheave and driving device, and multiple test sheaves rotations are fixed on the testboard, and the driving device drives the test sheave rotation.Compared with prior art, multiple test sheaves are originally provided with, cable can be repeatedly bent in a stroke, effectively improve testing efficiency；During the test, cable forms waveform according to the arrangement of the test sheave in wheel group, has good bending effect and reasonable spatial arrangement form；Vision detection system can in real time be monitored the test case of cable；When in use, tensioning wheel applies pressure to cable to tensioning apparatus, can change the tension of cable in real time, convenient for bending property of the test cable in different tension；It is able to achieve the reciprocating motion of cable close to the setting of switch, the wire clamp for connection cables is avoided to guarantee the accuracy of test result by test sheave.
Description
Technical field
The present invention relates to the testing equipment fields of cable, in particular to circumnutate test equipment for cable.
Background technique
Cable needs bending strength with higher, prevents cable from causing conducting wire or exhausted because stretching or being bent when in use
The damage of edge body, therefore, cable is in research and development and production process, and needing to sample carries out crooked test to cable, to test cable
Conducting wire or insulator damage degree after bending.Existing test equipment testing efficiency is low.In view of this, the present inventor
By further investigation, obtains one kind and circumnutate test equipment.
Summary of the invention
It circumnutates test equipment the object of the present invention is to provide one kind, has the advantages that testing efficiency is high.
Above-mentioned technical purpose of the invention has the technical scheme that
One kind circumnutates test equipment, including testboard；
Test sheave, the quantity of the test sheave is multiple, and is both secured on the testboard, multiple tests
Pulley arrangement forms the wheel group of at least one wavy arrangement；
Driving device, the driving device drive the test sheave rotation.
It is further to improve: to be 0 per distance of adjacent two test sheave on wheel group length direction in the wheel group.
Further to improve: one wheel group includes six test sheaves.
Further to improve: multiple test sheaves arrange to form two wheel groups.
It is further to improve: to further include test case monitoring device, the test case monitoring device includes vision-based detection
System.
It is further to improve: it further include approaching switch, it is described to be electrically connected close to switch and the driving device.
Further to improve: the driving device is variable-frequency motor or servo motor.
It is further to improve: to further include the tensioning apparatus on the testboard, the tensioning apparatus includes action group
Part and the tensioning wheel on the action component, the tensioning wheel are located at two adjacent test sheaves in multiple test sheaves
Between, and stretching motion is carried out under the drive of the action component.
Further to improve: the action component includes pressure sensor, support frame and screw rod, and the pressure sensor is solid
Due on the testboard, support frame as described above is fixed on the pressure sensor, and support frame as described above, which is equipped with, runs through its own
And screw hole compatible with the screw rod, the screw rod pass through the screw hole, the screw rod is fixed in the tensioning wheel rotation
End.
It is further to improve: to further include pedestal, the pedestal is fixed on the testboard, and the pressure sensor is fixed
In on the pedestal.
Compared with prior art, the present invention provides one kind and circumnutates test equipment, is provided with multiple test sheaves, cable exists
In one stroke, it can be repeatedly bent, effectively improve testing efficiency；There is pulley by waveform arrangement shape in multiple test sheaves
At wheel group, during the test, cable forms waveform according to the arrangement of the test sheave in wheel group, is repeatedly bent, to protect
Demonstrate,prove good bending effect and reasonable spatial arrangement form；Testboard is equipped with vision detection system, can be in real time to cable
Test case be monitored；When in use, tensioning wheel applies pressure to cable to tensioning apparatus, can change cable in real time
Tension, consequently facilitating bending property of the test cable in different tension；The present invention is additionally provided with close to switch, is realized
The reciprocating motion of cable avoids the wire clamp for connection cables from guaranteeing the accuracy of test result by test sheave.
Detailed description of the invention
Fig. 1 is that the present invention relates to a kind of top views of test equipment that circumnutates.
Fig. 2 is the first viewing angle constructions schematic diagram the present invention relates to a kind of tensioning apparatus of test equipment that circumnutates.
Fig. 3 is second of viewing angle constructions schematic diagram the present invention relates to a kind of tensioning apparatus of test equipment that circumnutates.
In figure
Cable -11；Wire clamp -12；Testboard -2；
Test sheave -3；Wheel group -31；Test case monitoring device -4；
Visit grade -41；Auxiliary visits grade -42；Tensioning apparatus -5；
Tensioning wheel -51；Pedestal -52；Side plate -521；
Pressure sensor -53；Support frame -54；Screw rod -55；
Pedestal -6；Upper housing -61；Lower case -62；
Slide -7；Riser -71.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
The test equipment as shown in Figure 1, one kind circumnutates, including testboard 2, test sheave 3 and driving device, multiple surveys
The examination rotation of pulley 3 is fixed on the testboard 2, and the test sheave 3 can be rotated by shaft to be fixed on testboard 2,
The driving device drives the test sheave 3 to rotate.In test, cable 11 successively bypasses each test sheave 3, every process
One pulley is circumnutated once, due to being provided with multiple test sheaves 3, so cable 11 is circumnutated repeatedly, so as to effective
Promotion circumnutates testing efficiency, and testing efficiency herein includes saving the testing time, reduces energy consumption.
In multiple test sheaves 3, the driving device directly drives a part of test sheave 3 therein and rotates,
It is usually to directly drive one or two test sheaves 3, remaining test sheave 3 is synchronous under the linkage effect of cable 11 to be turned
Dynamic, the driving device can be set to motor, can be servo motor, preferably variable-frequency motor.
In order to reach the good effect that circumnutates, multiple arrangements of test sheave 3 form at least one wavy arrangement
Wheel group 31, in test, the successively each test sheave 3 in pile warp wheel group 31 of cable 11 forms waveform, by multiple bent
Around such setting can reach the good effect that circumnutates, and also can be realized reasonable space layout, in limited testboard 2
The number that circumnutates as much as possible for realizing cable 11 on area, to promote testing efficiency.
The quantity of the wheel group 31 can be set to one, two, three it is even more, each 31 laid out in parallel of wheel group is to save
About space, cable 11 after one wheel group 31 of pile warp using next wheel group 31, until passing through all wheel groups 31, by multiple bent
Around.
For the limitation of 2 area of testboard, while considering reasonable space layout and good test effect, the wheel group
31 quantity is most preferably selected as two, and two 31 laid out in parallel of wheel group form arrangement form as shown in Figure 1.
The wheel group 31 includes at least three test sheaves 3, and in a preferred embodiment, each round group 31 is wrapped
The quantity of the test sheave 3 contained is six, and cable 11 is once circumnutated six times through third wheel group 31, can guarantee good test effect
Rate.
In order to reach the good effect that circumnutates, every adjacent two test sheave 3 is in 31 length direction of wheel group in the wheel group 31
On distance be 0, setting in this way, cable 11 in pile warp wheel group 31, it is every pass through a test sheave 3, it is bent
Around 180 degree, the good effect that circumnutates can be reached.
One kind of the present embodiment test equipment that circumnutates further includes test case monitoring device 4, the test case monitoring dress
Setting 4 includes vision detection system, and vision detection system mainly includes high definition camera, and high definition camera is fixedly mounted on testboard,
In test, high definition camera alignment cable 11 is shot, and record is being tested from the overall process of test start and ending in real time
Cheng Hou, can be by recording the number that circumnutates when cracked video analysis cable 11 or other problems, to be tested
As a result, it is no longer necessary to manually carry out real-time monitoring, reduce the working strength of people.
The vision detection system should include multiple high definition cameras, carry out to the different parts of the cable 11 in test real
When monitor.
The vision detection system can be with incoming image comparison system, while installing alarm additional, during the test, will
The picture of the picture that high definition camera is shot and pre-stored intact cable 11 compares, when there is contrast difference
When, it indicates that damaged or other problems occurs in cable 11, records the number that circumnutates at this time, and sound an alarm using alarm, remind
Staff obtains test result.
In test, cable 11 should be made to form the closed loop of annular, the both ends of cable 11 are attached by wire clamp 12, but
It is that, when wire clamp 12 passes through test sheave 3, will cause vibration, influence test result, to solve this problem, need to make to test
Pulley 3 moves back and forth, and guarantees that wire clamp 12 only moves between two test sheaves 3, without passing through test sheave 3, to solve
This problem, one kind of the present embodiment test equipment that circumnutates further includes approaching switch, described close to switch and the driving device
It is electrically connected, includes that spy grade 41 and auxiliary visit grade 42 close to switch, auxiliary spy grade 42 is fixed on wire clamp 12, and two spy grades 41 are divided
Two test sheaves 3 setting not close close to wire clamp 12, when visiting grade 41 and detecting the signal for assisting spy grade 42, control is driven
Dynamic device switches rotation direction, to realize the setting that wire clamp 12 moves back and forth.
During the test, the tension needs of cable 11 are adjusted, and are in the prior art usually by setting counterweight
Form is realized, still, since the weight by counterweight is limited, can only realize that the strength of counterweight weight integral multiple is adjusted, Wu Fashi
Now continuous, small strength is adjusted, and in order to solve this problem, as shown in Figure 1 to Figure 3, one kind of the present embodiment circumnutates survey
Examination equipment further includes the tensioning apparatus 5 on the testboard 2, and the tensioning apparatus 5 includes action component and is set to described
Tensioning wheel 51 on action component, the tensioning wheel 51 are located in multiple test sheaves 3 between two adjacent test sheaves 3,
And stretching motion is carried out under the drive of the action component.During the test, the tensioning wheel 51 is resisted against on cable 11,
Apply different pressure to cable 11, thus realize the tension adjustment of cable 11, it is other without pressure stage during adjusting
Limitation, may be implemented continuously adjusting for strength.
The action component specifically can be set to tension regulator, and tension regulator is driven by a servo motor,
It can be set to cylinder, can also there is other settings certainly, in the present embodiment, there is following setting:
The action component includes pressure sensor 53, support frame 54 and screw rod 55, and the pressure sensor 53 is fixed on
On the testboard 2, support frame as described above 54 is fixed on the pressure sensor 53, and support frame as described above 54 is equipped with through it certainly
Body and screw hole compatible with the screw rod 55, the screw rod 55 pass through the screw hole, and institute is fixed in the rotation of tensioning wheel 51
State the end of screw rod 55.When adjusting tension, the screw rod 55 is rotated, due to the matching relationship of screw hole and screw rod 55, screw rod 55
Stretching motion will be generated, to drive tensioning wheel 51 to carry out stretching motion, so that tensioning wheel 51 applies different pressures to cable 11
Power realizes that the adjusting of 11 pressure of cable, 11 reaction of cable pass sequentially through screw rod 55 and support frame 54 to the strength of tensioning wheel 51
Pressure sensor 53 is passed to, the pressure value by reading pressure sensor 53 apparent in real time can be applied to of cable 11
Power size.
Support frame as described above 54 can be set to diversified forms, in the present embodiment, be set as plate.
For the ease of the fixation of the pressure sensor 53, the tensioning apparatus 5 further includes pedestal 6, and the pedestal 6 is fixed
In on the testboard 2, the pressure sensor 53 is fixed on the pedestal 6；The pedestal 6 specifically includes 61 He of upper housing
Lower case 62 is bolted between upper housing 61 and lower case 62, and pressure sensor 53 is by upper housing 61 and lower case 62
Encircle fixation.
Certainly, in order to avoid tensioning wheel 51 is rotated with the rotation of screw rod 55, the end of the screw rod 55 is equipped with pedestal
52, the tensioning wheel 51 is installed on the pedestal 52 using axis, and the side of the pedestal 52 is the side plate 521 of strip, institute
The length direction for stating side plate 521 is parallel with the screw rod 55, and testboard is fixed in being additionally provided with for matching with the side plate 521
Slide 7 on 2, the slide 7 include two vertical risers 71 disposed in parallel, described in the upper end of two risers 71 clamps
One side plate 521 of pedestal 52.Under this structure setting, when screw rod 55 rotates, due to the limitation of two risers 71, institute
Stating tensioning wheel 51 can not rotate with it, and stretching motion can only be carried out along the length direction of the screw rod 55, so that when needing
When adjusting 11 tension of cable, it is only necessary to the screw rod 55 is rotated, without carrying out other auxiliary movements.
In order to extend the distance of 11 single stroke of cable, in addition to partial test pulley 3 is arranged in multiple test sheaves 3
Formed except the wheel group 31, other pulleys are distributed in the periphery of wheel group 31, in periphery test sheave 3 be spaced it is larger,
Facilitate arrangement described close to switch and tensioning apparatus 5.
The above-mentioned description to embodiment be for convenient for those skilled in the art understand and using the present invention, it is ripe
The personnel for knowing art technology obviously easily can make various modifications to embodiment, and General Principle described herein is answered
It uses in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, art technology
Personnel's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be in protection models of the invention
Within enclosing.
Claims (10)
- The test equipment 1. one kind circumnutates, it is characterised in that: including testboard (2)；Test sheave, the quantity of the test sheave (3) is multiple, and is both secured on the testboard (2), multiple surveys Examination pulley (3) arrangement forms the wheel group (31) of at least one wavy arrangement；Driving device, the driving device drive test sheave (3) rotation.
- 2. one kind circumnutates test equipment according to claim 1, it is characterised in that: per adjacent two test in the wheel group (31) Distance of the pulley (3) on wheel group (31) length direction is 0.
- 3. one kind circumnutates test equipment according to claim 2, it is characterised in that: one wheel group (31) includes six institutes State test sheave (3).
- 4. one kind circumnutates test equipment according to claim 2, it is characterised in that: multiple test sheaves (3) arrange shapes At two wheel groups (31).
- 5. one kind circumnutates test equipment according to claim 1, it is characterised in that: it further include test case monitoring device (4), The test case monitoring device (4) includes vision detection system.
- 6. one kind circumnutates test equipment according to claim 1, it is characterised in that: it further include approaching switch, it is described close to opening It closes and is electrically connected with the driving device.
- 7. one kind circumnutates test equipment according to claim 6, it is characterised in that: the driving device is variable-frequency motor or watches Take motor.
- 8. circumnutating test equipment to one kind described in any one of 7 according to claim 1, it is characterised in that: further include be set to it is described Tensioning apparatus (5) on testboard (2), the tensioning apparatus (5) include action component and on the action component Bearing up pulley (51), the tensioning wheel (51) are located in multiple test sheaves (3) between two adjacent test sheaves (3), and in institute It states and carries out stretching motion under the drive of action component.
- 9. one kind circumnutates test equipment according to claim 8, it is characterised in that: the action component includes pressure sensor (53), support frame (54) and screw rod (55), the pressure sensor (53) are fixed on the testboard (2), support frame as described above (54) be fixed on the pressure sensor (53), support frame as described above (54) be equipped with through its own and with the screw rod (55) Compatible screw hole, the screw rod (55) pass through the screw hole, and the screw rod (55) is fixed in tensioning wheel (51) rotation End.
- 10. one kind circumnutates test equipment according to claim 9, it is characterised in that: it further include pedestal (6), the pedestal (6) It is fixed on the testboard (2), the pressure sensor (53) is fixed on the pedestal (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452038.5A CN110132754A (en) | 2019-05-28 | 2019-05-28 | One kind circumnutates test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452038.5A CN110132754A (en) | 2019-05-28 | 2019-05-28 | One kind circumnutates test equipment |
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| CN110132754A true CN110132754A (en) | 2019-08-16 |
Family
ID=67582356
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910452038.5A Pending CN110132754A (en) | 2019-05-28 | 2019-05-28 | One kind circumnutates test equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823740A (en) * | 2019-11-06 | 2020-02-21 | 中天科技海缆有限公司 | Cable test platform |
| CN111504788A (en) * | 2020-05-09 | 2020-08-07 | 安徽天大铜业有限公司 | Tensile force detection mechanism after copper line bending |
| CN111624089A (en) * | 2020-04-27 | 2020-09-04 | 李建华 | Bending resistance testing device and method based on clean transmission cable |
| CN111999164A (en) * | 2020-06-30 | 2020-11-27 | 安徽华能电缆股份有限公司 | Anti-tear detection device of tensile mobile power flexible cable for ships |
| CN113203620A (en) * | 2021-06-17 | 2021-08-03 | 浙江水利水电学院 | Tensile bending test equipment |
| CN113763656A (en) * | 2021-10-27 | 2021-12-07 | 宁波绿阳智汇电气科技有限公司 | Displacement-preventing optical fiber vibration detection security early warning monitoring system for cable well |
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| CN201903487U (en) * | 2010-12-23 | 2011-07-20 | 中国矿业大学 | Variable-load bending fatigue testing machine for steel rope |
| CN102507302A (en) * | 2011-10-20 | 2012-06-20 | 无锡通用钢绳有限公司 | Horizontal wire rope fatigue testing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110823740A (en) * | 2019-11-06 | 2020-02-21 | 中天科技海缆有限公司 | Cable test platform |
| CN111624089A (en) * | 2020-04-27 | 2020-09-04 | 李建华 | Bending resistance testing device and method based on clean transmission cable |
| CN111504788A (en) * | 2020-05-09 | 2020-08-07 | 安徽天大铜业有限公司 | Tensile force detection mechanism after copper line bending |
| CN111504788B (en) * | 2020-05-09 | 2023-06-06 | 安徽天大铜业有限公司 | Tension detection mechanism for copper wire after bending |
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| CN113203620A (en) * | 2021-06-17 | 2021-08-03 | 浙江水利水电学院 | Tensile bending test equipment |
| CN113763656A (en) * | 2021-10-27 | 2021-12-07 | 宁波绿阳智汇电气科技有限公司 | Displacement-preventing optical fiber vibration detection security early warning monitoring system for cable well |
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