CN112082850A - Cable wetting and aging test platform - Google Patents

Cable wetting and aging test platform Download PDF

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Publication number
CN112082850A
CN112082850A CN202011092274.XA CN202011092274A CN112082850A CN 112082850 A CN112082850 A CN 112082850A CN 202011092274 A CN202011092274 A CN 202011092274A CN 112082850 A CN112082850 A CN 112082850A
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CN
China
Prior art keywords
cable
arc
platform
pressure mechanism
aging test
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
CN202011092274.XA
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Chinese (zh)
Inventor
王录亮
符方达
全业生
王晨东
王思捷
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.)
Electric Power Research Institute of Hainan Power Grid Co Ltd
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Electric Power Research Institute of Hainan Power Grid Co Ltd
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Application filed by Electric Power Research Institute of Hainan Power Grid Co Ltd filed Critical Electric Power Research Institute of Hainan Power Grid Co Ltd
Priority to CN202011092274.XA priority Critical patent/CN112082850A/en
Publication of CN112082850A publication Critical patent/CN112082850A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure

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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 damp aging test platform which comprises an operation platform, a U-shaped groove, a top seat and a pressure mechanism, wherein the U-shaped groove is arranged at the top of the operation platform, the top seat is positioned above the U-shaped groove, the top seat is fixedly connected with the top of the operation platform through a support rod, the pressure mechanism is arranged at the bottom of the top seat, an arc-shaped pressing plate capable of moving up and down in the U-shaped groove is arranged below the pressure mechanism, the arc-shaped pressing plate is connected with the output end of the pressure mechanism, and the circle center of the arc-shaped pressing plate and the circle center of the U-shaped groove are positioned on the same straight line.

Description

Cable wetting and aging test platform
Technical Field
The invention belongs to the technical field of cable aging tests, and particularly relates to a cable damp aging test platform.
Background
In the cable moisture aging test detection project, the mechanical property of the cable is required to be detected, the mechanical property mainly refers to the tensile strength of the cable before and after aging, and the mechanical property is generally directly measured by an electronic tension measuring instrument. The cable is generally bent into a coil for storage, the cable is not in a straight state during a tension test, the cable is gradually pulled into the straight state in the initial period of the tension test, and the tension measuring instrument still records the data, so that the measuring result has errors; when the cable is pre-straightened by the straightening instrument, the tensile property of the cable is easily affected, and errors can also be caused to the measurement result.
Disclosure of Invention
Therefore, the invention provides a cable damp aging test platform, which improves the straightness of a cable to a certain extent without pulling the cable, thereby reducing invalid data in an initial time period of a tension test and improving the accuracy of test data.
The technical scheme of the invention is realized as follows:
the invention provides a cable damp aging test platform which comprises an operation platform, a U-shaped groove, a top seat and a pressure mechanism, wherein the U-shaped groove is arranged at the top of the operation platform, the top seat is positioned above the U-shaped groove, the top seat is fixedly connected with the top of the operation platform through a support rod, the pressure mechanism is arranged at the bottom of the top seat, an arc-shaped pressing plate capable of moving up and down in the U-shaped groove is arranged below the pressure mechanism, the arc-shaped pressing plate is connected with the output end of the pressure mechanism, and the circle center of the arc-shaped pressing plate and the circle center of the U-shaped groove are positioned on the same straight line.
Preferably, the pressure mechanism comprises a hydraulic cylinder and a connecting plate, the hydraulic cylinder is arranged at the top of the top seat, the connecting plate is arranged at the front end of a piston rod of the hydraulic cylinder, and the arc-shaped pressing plate is connected with the connecting plate.
Preferably, the top of operation platform is equipped with the slide rail, U type groove passes through the slide rail with operation platform's top slip joint.
Preferably, the arc-shaped pressing plate is detachably connected with the connecting plate.
Preferably, the top of the operating platform is also provided with a tension measuring instrument.
Preferably, the middle part of the tension measuring instrument is provided with an upper clamping opening and a lower clamping opening, and the inner walls of the upper clamping opening and the lower clamping opening are provided with friction plates.
Preferably, the friction plate is made of rubber materials.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a cable damp aging test platform, which is characterized in that two ends of a cable are held to clamp the cable into a U-shaped groove, the left side and the right side of the cable are guided and straightened through the inner wall of the U-shaped groove, the left side and the right side of the cable are in a linear state, the pressure mechanism is started to drive the arc-shaped pressure plate to move towards the U-shaped groove until the pressure mechanism and the cable form extrusion, the cable is pressed by the arc-shaped pressure plate in the U-shaped groove, a straight tubular channel is formed by the U-shaped groove and the arc-shaped pressing plate, the arc-shaped pressing plate is maintained by the pressure mechanism to press the cable, the arc-shaped pressing plate is lifted after being pressed for a certain time, under the condition of not pulling the cable, the cable is guided and pressed through the U-shaped groove and the arc-shaped pressing plate, the straightness of the cable is improved to a certain extent, so that invalid data in the initial time period of the tension test are reduced, and the precision of test data is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a top cross-sectional view of the present invention.
In the figure, 1 operation platform, 2U type groove, 3 footstock, 4 bracing pieces, 5 arc clamp plates, 6 pneumatic cylinders, 7 connecting plates, 8 slide rails, 9 tension measuring instruments, 10 upper clamping openings, 11 lower clamping openings and 12 friction plates.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 2, the invention provides a cable damp aging test platform, which comprises an operation platform 1, a U-shaped groove 2, a top seat 3 and a pressure mechanism, wherein the U-shaped groove 2 is installed at the top of the operation platform 1, the top seat 3 is positioned above the U-shaped groove 2, the top seat 3 is fixedly connected with the top of the operation platform 1 through a support rod 4, the pressure mechanism is arranged at the bottom of the top seat 3, an arc-shaped pressure plate 5 which can move up and down in the U-shaped groove 2 is arranged below the pressure mechanism, the arc-shaped pressure plate 5 is connected with an output end of the pressure mechanism, and the circle center of the arc-shaped pressure plate 5 and the circle center of the U-shaped groove 2 are positioned on the same straight line.
The cable to be subjected to a physical performance test is roughly broken into a straight line shape manually, the arc-shaped pressing plate 5, the U-shaped groove 2 and the cross-sectional dimension of the cable are matched with each other, two ends of the cable are held to clamp the cable into the U-shaped groove 2, the left side and the right side of the cable are straightened in a guiding mode through the inner wall of the U-shaped groove 2, the left side and the right side of the cable are in a straight line shape, two ends of the cable are exposed outside the U-shaped groove 2, the pressure mechanism is started to drive the arc-shaped pressing plate 5 to move into the U-shaped groove 2 until the pressure mechanism and the cable are extruded, the upper side and the lower side of the cable are kept in a straight line shape through the U-shaped groove 2 and the arc-shaped pressing plate 5, the cable is pressed through the U-shaped groove 2 and the arc-shaped pressing plate 5, the arc-shaped pressing plate 5 is kept, under the condition that does not carry out the pulling to the cable, lead through U type groove 2 and arc clamp plate 5 and press the cable, improved the straight degree of cable to a certain extent to reduce the invalid data production in the tensile test initial period, improve the precision of test data.
The pressure mechanism comprises a hydraulic cylinder 6 and a connecting plate 7, the hydraulic cylinder 6 is arranged at the top of the top seat 3, the connecting plate 7 is arranged at the front end of a piston rod of the hydraulic cylinder 6, and the arc-shaped pressing plate 5 is connected with the connecting plate 7. Pneumatic cylinder 6 is connected with external power supply electricity, start hydraulic cylinder 6 and drive the piston rod and move down, the piston rod passes through connecting plate 7 and drives arc clamp plate 5 and to the inside removal of U type groove 2, until arc clamp plate 5 and cable formation extrusion, keep pressure to press down the cable after the certain time, lift up arc clamp plate 5, the side is gone forward and is straightened to the side of controlling of cable through the inner wall in U type groove 2, press the upper and lower side of cable through U type groove 2 and arc clamp plate 5 and be the straight line form, under the condition of not carrying out carrying and drawing to the cable, the straight degree of cable has been improved, thereby reduce the invalid data production in the initial time quantum of tensile test, the precision of improvement test data.
The top of operation platform 1 is equipped with slide rail 8, U type groove 2 passes through slide rail 8 with operation platform 1's top slip joint is equipped with not unidimensional U type groove 2 according to the cable of different specifications, changes suitable U type groove 2 as required, improves the suitability of this device.
The arc-shaped pressing plate 5 is detachably connected with the connecting plate 7, the arc-shaped pressing plates 5 with different sizes are arranged according to cables with different specifications, the arc-shaped pressing plates 5 are suitable to be replaced according to needs, and the adaptability of the device is improved.
And the top of the operating platform 1 is also provided with a tension measuring instrument 9.
An upper clamping opening 10 and a lower clamping opening 11 are arranged in the middle of the tension measuring instrument 9, and friction plates 12 are arranged on the inner walls of the upper clamping opening 10 and the lower clamping opening 11.
The friction plate 12 is made of rubber material. The upper end and the lower end of the cable are clamped through the upper clamping opening 11 and the lower clamping opening 11, friction force between the upper clamping opening 11 and the lower clamping opening 11 and the cable is improved through the friction plate 12, clamping effect of the cable is improved, and influence on test process caused by the fact that the cable is stressed to be separated from the clamping opening is avoided when tension test is conducted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. The utility model provides a cable ageing tests platform that wets, a serial communication port, including operation platform, U type groove, footstock and pressure mechanism, install in U type groove operation platform's top, the footstock is located the top in U type groove, the footstock pass through the bracing piece with operation platform's top fixed connection, pressure mechanism establishes the bottom of footstock, pressure mechanism's below is equipped with can U type inslot activity from top to bottom's arc clamp plate, the arc clamp plate with pressure mechanism's output is connected, the centre of a circle of arc clamp plate with the centre of a circle in U type groove is located same straight line.
2. The cable damp aging test platform according to claim 1, wherein the pressure mechanism comprises a hydraulic cylinder and a connecting plate, the hydraulic cylinder is arranged at the top of the top seat, the connecting plate is arranged at the front end of a piston rod of the hydraulic cylinder, and the arc-shaped pressing plate is connected with the connecting plate.
3. The cable damp aging test platform according to claim 1, wherein a slide rail is arranged at the top of the operating platform, and the U-shaped groove is slidably clamped with the top of the operating platform through the slide rail.
4. The cable damp aging test platform according to claim 2, wherein the arc-shaped pressing plate is detachably connected with the connecting plate.
5. The cable damp aging test platform according to claim 1, wherein a tension measuring instrument is further arranged on the top of the operation platform.
6. The platform for testing damp aging of cables as claimed in claim 5, wherein the middle of the tension measuring instrument is provided with an upper clamping opening and a lower clamping opening, and friction plates are arranged on the inner walls of the upper clamping opening and the lower clamping opening.
7. The platform of claim 6, wherein the friction plate is made of rubber.
CN202011092274.XA 2020-10-13 2020-10-13 Cable wetting and aging test platform Pending CN112082850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011092274.XA CN112082850A (en) 2020-10-13 2020-10-13 Cable wetting and aging test platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011092274.XA CN112082850A (en) 2020-10-13 2020-10-13 Cable wetting and aging test platform

Publications (1)

Publication Number Publication Date
CN112082850A true CN112082850A (en) 2020-12-15

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Application Number Title Priority Date Filing Date
CN202011092274.XA Pending CN112082850A (en) 2020-10-13 2020-10-13 Cable wetting and aging test platform

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CN (1) CN112082850A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118032483A (en) * 2024-04-12 2024-05-14 天津滨电电力工程有限公司 Power cable buffer layer stress analysis equipment and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201075602Y (en) * 2007-08-14 2008-06-18 山西太钢不锈钢股份有限公司 Cable bending straightener
CN202506779U (en) * 2012-03-06 2012-10-31 安徽省力通稀土钢缆有限公司 Steel cable straightening device
CN103586371A (en) * 2013-11-13 2014-02-19 国家电网公司 Bent cable straightening device
CN210907847U (en) * 2019-10-10 2020-07-03 山东科技大学 Power cable corrector
CN211071584U (en) * 2019-07-28 2020-07-24 辽宁威尔电线电缆制造有限公司 Trimmer for electric wires and cables
CN211122298U (en) * 2019-10-19 2020-07-28 广西胜华电缆有限公司 Mineral substance cable tensile strength measuring device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201075602Y (en) * 2007-08-14 2008-06-18 山西太钢不锈钢股份有限公司 Cable bending straightener
CN202506779U (en) * 2012-03-06 2012-10-31 安徽省力通稀土钢缆有限公司 Steel cable straightening device
CN103586371A (en) * 2013-11-13 2014-02-19 国家电网公司 Bent cable straightening device
CN211071584U (en) * 2019-07-28 2020-07-24 辽宁威尔电线电缆制造有限公司 Trimmer for electric wires and cables
CN210907847U (en) * 2019-10-10 2020-07-03 山东科技大学 Power cable corrector
CN211122298U (en) * 2019-10-19 2020-07-28 广西胜华电缆有限公司 Mineral substance cable tensile strength measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118032483A (en) * 2024-04-12 2024-05-14 天津滨电电力工程有限公司 Power cable buffer layer stress analysis equipment and method

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Application publication date: 20201215