CN105092388A - Winding torsion testing machine of cable monofilament at low temperature - Google Patents

Winding torsion testing machine of cable monofilament at low temperature Download PDF

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Publication number
CN105092388A
CN105092388A CN201510546172.3A CN201510546172A CN105092388A CN 105092388 A CN105092388 A CN 105092388A CN 201510546172 A CN201510546172 A CN 201510546172A CN 105092388 A CN105092388 A CN 105092388A
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CN
China
Prior art keywords
test device
lock dog
wound around
torsion
low temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510546172.3A
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Chinese (zh)
Inventor
刘洋
李童
白艳军
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.)
ZIBO QIANHENG AUTOMATION ENGINEERING Co Ltd
Electric Power Research Institute of State Grid Heilongjiang Electric Power Co Ltd
Original Assignee
ZIBO QIANHENG AUTOMATION ENGINEERING Co Ltd
Electric Power Research Institute of State Grid Heilongjiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZIBO QIANHENG AUTOMATION ENGINEERING Co Ltd, Electric Power Research Institute of State Grid Heilongjiang Electric Power Co Ltd filed Critical ZIBO QIANHENG AUTOMATION ENGINEERING Co Ltd
Priority to CN201510546172.3A priority Critical patent/CN105092388A/en
Publication of CN105092388A publication Critical patent/CN105092388A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a winding torsion testing machine of a cable monofilament at low temperature, belonging to the field of a wire torsion and winding test device. The winding torsion test machine comprises a testbed (13), wherein a torsion test device and the winding test device are respectively arranged on the testbed (13); the winding test device is slidably arranged at one side of the torsion test device. The winding torsion test machine is characterized in that a refrigeration box (9) is arranged on the testbed (13); the torsion test device and the winding test device are both fixed in the refrigeration box (9); an operating door (21) is arranged on the refrigeration box (9). The torsion test and the winding test of a sample can be carried out under the environment of minus 60 DEG C by the refrigeration box, thus changes of test performance of the metal wire in the torsion test and the winding test at low temperature can be studied, the performance of a product under the cold weather condition in winter in northern area of China can be tested, cables and overhead lines can be ensured to suitable for conveying tasks in the cold weather, and the condition that the sample is fractured suddenly can be avoided by the refrigeration box.

Description

Cabled monofilaments low temperature is wound around torsion testing machine
Technical field
Cabled monofilaments low temperature is wound around torsion testing machine, belongs to wire rod and reverses and wrapping test apparatus field.
Background technology
Cable and overhead transmission line are responsible for the conveying task of electric power for a long time, and the monofilament relationship between quality in cable and pole line the safety that transmission line of electricity runs.Not only require its good electrical conductance, its mechanical property is equally also most important simultaneously.About the winding twisting test of cabled monofilaments, the twisting test of metal wire rod and the test method of wrapping test is defined in standard GB/T239-1999 " metal wire rod twisting test method " and GB/T2976-2004 " metal material material winds test method ", but never in a standard the wrapping test under metal wire rod cryogenic conditions and twisting test are described, and existing testing equipment all cannot simulate cryogenic conditions, cause and need the cable used in low temperature environment effectively to be detected.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of study metal wire rod under cryogenic the change of the experimental performance of wrapping test and twisting test cabled monofilaments low temperature be wound around torsion testing machine.
The technical solution adopted for the present invention to solve the technical problems is: this cabled monofilaments low temperature is wound around torsion testing machine, comprise testing table, testing table is fixed with respectively crane torsion test device and wrapping test device, wrapping test device is slidably arranged in the side of crane torsion test device, described testing table is provided with a refrigeration case, crane torsion test device and wrapping test device are all fixed in refrigeration case, and refrigeration case is provided with an actuating doors.Carry out reversing and wrapping test under sample can being made to be in the environment of-60 DEG C by refrigeration case, thus the change of the research metal wire rod experimental performance of wrapping test and twisting test under cryogenic, the performance of testing product under arctic weather in the winter condition of the northern area of China, guarantee that cable and overhead transmission line can be applicable to the conveying task in cold snap, and can prevent sample from the situation of fracture suddenly occurring by refrigeration case, improve the security of test.
Preferably, described crane torsion test device comprises the first chuck and second chuck of axially spaced-apart setting, and the first chuck is connected with rotation charger, and the second chuck is fixed on testing table by mobile positioning mechanism.Move the second chuck by mobile positioning mechanism, thus adapt to the sample of different length, easy to operate.
Preferably, described first chuck and the second chuck are horizontally fixed on the upside of testing table, and the horizontal slip of wrapping test device is arranged.Sample carries out reversing and wrapping test in the horizontal direction, and more close to the environment tested in actual use and stressing conditions, testing result is accurate.
Preferably, described wrapping test device comprises mobile lock dog, is wound around guide rail and lock block driving mechanism, and mobile lock dog locking test wire rod is also slidably arranged on winding guide rail, and lock block driving mechanism connects mobile lock dog and drives it along being wound around slide.Make test along with moving axially of being wound around by mobile lock dog, test wire rod is sample, and sample is closely wrapped on mandrel, and easy to operate, result is accurate.
Preferably, described mobile lock dog comprises fixing lock dog and regulates lock dog, and fixing lock dog is slidably arranged in and is wound around on guide rail, regulates lock dog to be arranged on the upside of fixing lock dog by height adjustment mechanism.By regulating lock dog to compress sample, determine that sample is closely wound around, easy to operate.
Preferably, described fixing lock dog and the corresponding wire casing offering V-arrangement on adjustment lock dog.Sample is fixed in wire casing, while clamping sample, avoids sample deformation, injured, prevent other factors on test results from having an impact, improve the accuracy detected.
Preferably, described mobile positioning mechanism to be connected with by counterweight bracing wire at the other end of relative second chuck and heavily to stick together, and testing table is fixed with the fixed pulley changing counterweight stayguy direction.
Preferably, the bottom symmetria bilateralis of described testing table is provided with cabinet.Can store and heavily stick together and the article such as experiment material, improve this cabled monofilaments low temperature and be wound around the functional of torsion testing machine, overcome similar testing machine structure in the past single, the shortcomings such as storing articles is inconvenient.
Compared with prior art, the beneficial effect that the technique scheme that this cabled monofilaments low temperature is wound around torsion testing machine has is: carry out reversing and wrapping test under sample can being made to be in the environment of-60 DEG C by refrigeration case, thus the change of the research metal wire rod experimental performance of wrapping test and twisting test under cryogenic, the performance of testing product under arctic weather in the winter condition of the northern area of China, guarantee that cable and overhead transmission line can be applicable to the conveying task in cold snap, and can prevent sample from the situation of fracture suddenly occurring by refrigeration case, improve the security of test.Sample is fixed in wire casing, while clamping sample, avoids sample deformation, injured, prevent other factors on test results from having an impact, improve the accuracy detected.
Accompanying drawing explanation
Fig. 1 is the front view that this cabled monofilaments low temperature is wound around torsion testing machine.
Fig. 2 is the schematic perspective view that this cabled monofilaments low temperature is wound around torsion testing machine opening operation door.
Fig. 3 is the structural representation in Fig. 1 after refrigeration case fragmentary perspective.
Fig. 4 is the close-up schematic view at A place in Fig. 3.
Wherein: 1, headstock 2, display board 3, control panel 4, first chuck 5, mobile lock dog 6, be wound around guide rail 7, second chuck 8, mobile positioning mechanism 9, refrigeration case 10, counterweight bracing wire 11, fixed pulley 12, sway brace 13, testing table 14, heavily stick together 15, cabinet 16, fixing lock dog 17, regulate lock dog 18, adjustable plate 19, regulate screw mandrel 20, wire casing 21, actuating doors.
Embodiment
Fig. 1 ~ 4 are most preferred embodiments that this cabled monofilaments low temperature is wound around torsion testing machine, and below in conjunction with accompanying drawing 1 ~ 4, the present invention will be further described.
With reference to Fig. 1 ~ 4, this cabled monofilaments low temperature is wound around torsion testing machine, comprise testing table 13, testing table 13 is fixed with respectively crane torsion test device and wrapping test device, wrapping test device is slidably arranged in the side of crane torsion test device, the present invention is provided with a refrigeration case 9 on testing table 13, crane torsion test device and wrapping test device are all fixed in refrigeration case 9, refrigeration case 9 is provided with an actuating doors 21, refrigeration case 9 is connected with refrigerating plant, carry out reversing and wrapping test under sample can being made to be in the environment of-60 DEG C by refrigeration case 9, thus the change of the research metal wire rod experimental performance of wrapping test and twisting test under cryogenic, the performance of testing product under arctic weather in the winter condition of the northern area of China, guarantee that cable and overhead transmission line can be applicable to the conveying task in cold snap, and can prevent sample from the situation of fracture suddenly occurring by refrigeration case 9, improve security.
With reference to Fig. 1 ~ 2, testing table 13 is horizontally disposed with, crane torsion test device and wrapping test device are horizontally fixed on the upside of testing table 13, refrigeration case 9 is located at the upside of crane torsion test device and wrapping test device, actuating doors 21 upset is arranged on the upside of refrigeration case 9, opening operation door 21, regulates crane torsion test device and wrapping test device, easy to operate.
The bottom symmetria bilateralis of testing table 13 is provided with cabinet 15, can store the article such as 14 and experiment material that heavily stick together, and improves this cabled monofilaments low temperature and is wound around the functional of torsion testing machine, overcome similar testing machine structure in the past single, the shortcomings such as storing articles is inconvenient.
Crane torsion test device comprises the first chuck 4 and the second chuck 7 that axially spaced-apart is arranged, first chuck 4 is connected with rotation charger, rotating charger is fixed in the headstock 1 of refrigeration case 9 end, rotate charger to be made up of motor and speed reducer (not shown in FIG.), motor via reducer drives the first chuck 4 to rotate after slowing down, headstock 1 is provided with display board 2 and control panel 3, motor speed is regulated by control panel 3, display board 2 shows test situation in real time, easy to operate, safety, second chuck 7 is fixed on testing table 13 by mobile positioning mechanism 8, mobile positioning mechanism 8 is provided with reset spanner, the second chuck 7 is moved by mobile positioning mechanism 8, thus adapt to the sample of different length, easy to operate.
Mobile positioning mechanism 8 to be connected with by counterweight bracing wire 10 at the other end of relative second chuck 7 and heavily to stick together 14, counterweight bracing wire 10 sealing passes refrigeration case 9, testing table 13 is fixed with the fixed pulley 11 changing counterweight bracing wire 10 direction, preferably, fixed pulley 11 is fixed on the top of testing table 13 by sway brace 12, and make heavily to stick together 14 and the interval, side of testing table 13 arrange, guarantee 14 VTOL (vertical take off and landing) that heavily stick together, thus constant, pulling force is accurately applied to sample, the stressing conditions during work of accurate simulation sample, improves accuracy of detection.
With reference to Fig. 3, wrapping test device comprises mobile lock dog 5, is wound around guide rail 6 and lock block driving mechanism (not shown in FIG.), mobile lock dog 5 is locked test wire rod and is slidably arranged in and is wound around on guide rail 6, lock block driving mechanism connects mobile lock dog 5 and drives it to slide along being wound around guide rail 6, mobile lock dog 5 there is sliding bearing can roll on guide rail, after wire rod is wound, mobile lock dog 5 can do movement with the wire rod after winding.
With reference to Fig. 4, mobile lock dog 5 comprises fixing lock dog 16 and regulates lock dog 17, and fixing lock dog 16 is slidably arranged in and is wound around on guide rail 6, regulates lock dog 17 to be arranged on the upside of fixing lock dog 16 by height adjustment mechanism.Preferably, fixing lock dog 16 and the corresponding wire casing 20 offering V-arrangement on adjustment lock dog 17, be placed on wire rod in wire casing 20, and by height adjustment mechanism, adjustment lock dog 17 compressed downwards, can ensure that wire rod does tight winding.
Height adjustment mechanism comprises adjustable plate 18 and regulates screw mandrel 19, adjustable plate 18 is arranged on the upside regulating lock dog 17, and adjustable plate 18 is fixedly connected with fixing lock dog 16, lock dog 17 is regulated vertically to be slidably arranged between adjustable plate 18 and fixing lock dog 16, regulate screw mandrel 19 to be vertically threaded on adjustable plate 18, regulate the lower end of screw mandrel 19 to abut the upside regulating lock dog 17, can compress downwards by regulating screw mandrel 19 and regulate lock dog 17, thus compression wire rod, guarantee tight winding.Preferably, regulating the upper end of screw mandrel 19 to be fixed with a control hand wheel, be convenient to easy to adjust.
The course of work: twisting test: the second chuck 7 is moved to suitable position by mobile positioning mechanism 8, sample two ends are separately fixed on the first chuck 4 and the second chuck 7, locking mobile positioning mechanism 8, then pulling reset handle makes equipment releasing spacing, can by heavily sticking together 14 to test applying axial tension.Control the first chuck 4 by control panel 3 startup rotation charger to rotate, the twisting property of test samples.
Wrapping test comprises the following steps:
A, choose mandrel after, by mobile positioning mechanism 8, second chuck 7 is moved to suitable position, meets the clamping of mandrel length, after moving to suitable position, locking mobile positioning mechanism 8, then pull reset handle and make equipment releasing spacing, mandrel is axially freely stressed;
B, mandrel two ends to be separately fixed on the first chuck 4 and the second chuck 7, flat pliers mouth can be used to clamp wire rod if do wound upon themselves, note centering;
C, choosing sample, sample is struck directly, with bent spanner, sample one end is bent, by sample one ends wound on mandrel, sample to be placed in wire casing 20 and by regulating lock dog 17 to compress;
D, when needs are in sample end counterweight, the sample other end can be hung down by support, and add the corresponding weight being not more than this sample nominal pull-off force 2 ~ 5%, limit switch can be touched to make equipment out of service after sample fracture;
E, determine sense of rotation after, by control panel 3 starter motor, lock block driving mechanism drives mobile lock dog 5 to slide along winding guide rail 6 simultaneously, because rotating speed is very low, can carry out a few numbers by operator, also can set rotating cycle, when the number of turns reaches requirement, motor stops, treat that the torsion that mandrel is wound around disappears, take off sample.
The present invention can also hand-pull wire rod one end and do experiment when doing wrapping test, now, guide wheel can be used to hold wire rod, and the pulling force of applying is as the criterion with the lowest pull that can make wire rod and be adjacent to mandrel.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.

Claims (8)

1. a cabled monofilaments low temperature is wound around torsion testing machine, comprise testing table (13), testing table (13) is fixed with respectively crane torsion test device and wrapping test device, wrapping test device is slidably arranged in the side of crane torsion test device, it is characterized in that: described testing table (13) is provided with a refrigeration case (9), crane torsion test device and wrapping test device are all fixed in refrigeration case (9), and refrigeration case (9) is provided with an actuating doors (21).
2. cabled monofilaments low temperature according to claim 1 is wound around torsion testing machine, it is characterized in that: described crane torsion test device comprises the first chuck (4) and second chuck (7) of axially spaced-apart setting, first chuck (4) is connected with rotation charger, and the second chuck (7) is fixed on testing table (13) by mobile positioning mechanism (8).
3. cabled monofilaments low temperature according to claim 2 is wound around torsion testing machine, it is characterized in that: described first chuck (4) and the second chuck (7) are horizontally fixed on testing table (13) upside, and the horizontal slip of wrapping test device is arranged.
4. cabled monofilaments low temperature according to claim 1 is wound around torsion testing machine, it is characterized in that: described wrapping test device comprises mobile lock dog (5), is wound around guide rail (6) and lock block driving mechanism, mobile lock dog (5) locking test wire rod is also slidably arranged in winding guide rail (6), and lock block driving mechanism connects mobile lock dog (5) and drives it to slide along being wound around guide rail (6).
5. cabled monofilaments low temperature according to claim 4 is wound around torsion testing machine, it is characterized in that: described mobile lock dog (5) comprises fixing lock dog (16) and regulates lock dog (17), fixing lock dog (16) is slidably arranged in and is wound around on guide rail (6), regulates lock dog (17) to be arranged on the upside of fixing lock dog (16) by height adjustment mechanism.
6. cabled monofilaments low temperature according to claim 5 is wound around torsion testing machine, it is characterized in that: described fixing lock dog (16) the corresponding wire casing (20) that offer V-arrangement upper with adjustment lock dog (17).
7. cabled monofilaments low temperature according to claim 2 is wound around torsion testing machine, it is characterized in that: described mobile positioning mechanism (8) is connected with heavily stick together (14) by counterweight bracing wire (10) at the other end of relative second chuck (7), testing table (13) is fixed with the fixed pulley (11) changing counterweight bracing wire (10) direction.
8. the cabled monofilaments low temperature according to claim 1 or 7 is wound around torsion testing machine, it is characterized in that: the bottom symmetria bilateralis of described testing table (13) is provided with cabinet (15).
CN201510546172.3A 2015-08-31 2015-08-31 Winding torsion testing machine of cable monofilament at low temperature Pending CN105092388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510546172.3A CN105092388A (en) 2015-08-31 2015-08-31 Winding torsion testing machine of cable monofilament at low temperature

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Application Number Priority Date Filing Date Title
CN201510546172.3A CN105092388A (en) 2015-08-31 2015-08-31 Winding torsion testing machine of cable monofilament at low temperature

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107063887A (en) * 2017-03-20 2017-08-18 苏州拓博机械设备有限公司 A kind of lap siding wire twist testing stand machine
CN108956330A (en) * 2018-09-13 2018-12-07 山东联工检测设备有限公司 A kind of tooth hook torsion device
CN109163969A (en) * 2018-09-03 2019-01-08 河南检亿科技有限公司 A kind of device for the test of wire and cable cracking resistance
CN110333149A (en) * 2019-07-31 2019-10-15 宇宙钢丝绳有限公司 A kind of steel cable torsion measuring device
CN111289387A (en) * 2020-03-24 2020-06-16 远东电缆有限公司 Slippage testing method for medium-high voltage wind power cable
CN111812026A (en) * 2020-07-28 2020-10-23 武汉长盈通光电技术有限公司 Testing device and testing method for winding reliability of optical fiber coating
CN112067464A (en) * 2020-09-07 2020-12-11 安徽尚纬电缆有限公司 Torsion-resistant cable testing device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107063887A (en) * 2017-03-20 2017-08-18 苏州拓博机械设备有限公司 A kind of lap siding wire twist testing stand machine
CN109163969A (en) * 2018-09-03 2019-01-08 河南检亿科技有限公司 A kind of device for the test of wire and cable cracking resistance
CN108956330A (en) * 2018-09-13 2018-12-07 山东联工检测设备有限公司 A kind of tooth hook torsion device
CN110333149A (en) * 2019-07-31 2019-10-15 宇宙钢丝绳有限公司 A kind of steel cable torsion measuring device
CN110333149B (en) * 2019-07-31 2022-04-08 宇宙钢丝绳有限公司 Steel rope torsion measuring device
CN111289387A (en) * 2020-03-24 2020-06-16 远东电缆有限公司 Slippage testing method for medium-high voltage wind power cable
CN111812026A (en) * 2020-07-28 2020-10-23 武汉长盈通光电技术有限公司 Testing device and testing method for winding reliability of optical fiber coating
CN112067464A (en) * 2020-09-07 2020-12-11 安徽尚纬电缆有限公司 Torsion-resistant cable testing device
CN112067464B (en) * 2020-09-07 2023-08-11 安徽尚纬电缆有限公司 Torsion-resistant cable testing device

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Application publication date: 20151125