CN104390866A - Torsion tester for cable branch box, and test method thereof - Google Patents
Torsion tester for cable branch box, and test method thereof Download PDFInfo
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- CN104390866A CN104390866A CN201410561661.1A CN201410561661A CN104390866A CN 104390866 A CN104390866 A CN 104390866A CN 201410561661 A CN201410561661 A CN 201410561661A CN 104390866 A CN104390866 A CN 104390866A
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Abstract
The invention relates to a torsion tester for a cable branch box. The torsion tester comprises a base, a main body frame, crossbeams, sliding blocks, pulleys, heavy loads, steel cables and jacks, wherein a fixture used for fixing a tested specimen is mounted on the base, the main body frame is mounted above the base, and the crossbeams are levelly and laterally mounted on both the front side and the back side of the corresponding main body frame above the base; the crossbeams adopt a longitudinal regulating structure which can guide upward to downward, both the middle parts of the both ends of the both sides of the crossbeams are connected with a longitudinal thread screw rod which is mounted at the upper part of the main body frame to be driven and regulated, and the crossbeams move up to down along guide rails which are arranged in the main body frame; the crossbeams comprise an upper crossbeam and a lower crossbeam, the sliding blocks are horizontally mounted on the both crossbeams in a sliding manner respectively, and a graduated scale used for measuring is made on each sliding block. All the crossbeams and the pulleys disclosed by the invention adopt adjustable design, the decomposition of force is avoided, the application of the force is more accurate, the error range is within 0.5%, and data of casing deflection can be accurately measured through moving the scales.
Description
Technical field
The invention belongs to the detection field of cable hut, relate to a kind of electronic product detecting housing tolerance torsion situation, especially a kind of cable hut torsion tester and test method thereof.
Background technology
At present, existing housing Verification of resistance to torsional stress equipment is relative with test method original, is made up of easy column, pulley, weight load etc.During test, Shell specimens is placed on the region that can be fixed, is exerted a force to housing from both direction by counterweight, steel cable, pulley, weight load etc.But this mode applicability is not strong, and process of the test wastes time and energy, can not the security of warranty test personnel, can not the accuracy of warranty test.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, provide that a kind of design operation is easy, the cable hut torsion tester of safety and precise.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of cable hut torsion tester, it is characterized in that: comprise base, main body frame, crossbeam, slide block, pulley, weight load, pulley, wirerope and lifting jack, base is installed the fixture being used for fixing tested sample, above this base, main body frame is installed, the crossbeam that the equal horizontal cross of main body frame front and rear sides corresponding above base is provided with; This crossbeam adopts longitudinal adjustment structure of upper and lower guiding, and the longitudinal screw leading screw being all mounted on main body frame top in the middle part of the two ends being specially the crossbeam of both sides drives and regulates, and the guide rail made inside main body frame of crossbeam moves up and down; Crossbeam is upper and lower two, on these two crossbeams, equal horizontal slip is provided with a slide block, all pulley is installed in the end of crossbeam, this slide block is connected with wirerope and wirerope is walked around pulley and is connected with weight load in the vertical direction, slide block on described upper and lower two crossbeams to connect the direction of wirerope contrary, the counterweight lower end of both sides all supports and is provided with lifting jack, and slide block place is shaped with the graduated scale for measuring.
And described base lower end is provided with multiple rolling bearing, sample is sent into the testing position of specifying in main body frame by the design of drawing and pulling type; Base installs four fixtures by threaded adjustment.
Described test procedure is as follows:
(1) tested sample is placed on base, the fixture on adjusting base, sample is fixed;
(2) regulate the height and position of crossbeam according to the height of tested sample, make slide block correspondence can be held in the top bezel locations of sample;
(3) adjusting slider, pulley and weight loaded components, makes slide block, pulley and weight load mutually vertical;
(4) use lifting jack to rise counterweight, regulate wirerope to lock lifting jack after the length be applicable to, and determine that slide block has firmly been stuck on the shell frame of tested sample;
(5) lifting jack is unclamped in both sides simultaneously, falls counterweight, and at this moment the torsion of 1000N is born in test product both sides simultaneously, and starts timing, duration 30s, reads and records the deflection size of tested sample in process of the test;
(6) the lifting jack of both sides rises counterweight simultaneously, then reads and records the frame deformation data of now tested sample, equipment and test specimen is recovered to cause original position after completing measurement.
Advantage of the present invention and good effect are:
1, this testing machine adopts the material such as square steel, steel pipe welded structure, effectively ensure that the intensity of equipment, makes process of the test more safe and reliable.
2, the crossbeam of this testing machine can upper and lowerly regulate, pulley is by the left and right adjustment of elongated slot on crossbeam and the utilization of fixture block place line slideway and slide block, make the scope of application of equipment larger, compared to former equipment can only be used for less and regular shape by the detection of test agent, this equipment can meet the test demand of different size, difformity sample.
3, the operation of this testing machine flexible and convenient more, high-effective and labour-saving, testing crew is reduced to 2 people by 3 original people, and test period foreshortened to about 30 minutes by original 2 ~ 3 hours.
4, crossbeam of the present invention, pulley all adopt design-adjustable, avoid resolution of force, and force is more accurate, error range within 0.5%, and by the data of mobile scale Measurement accuracy housing distortion value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the right view of Fig. 1.
embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of cable hut torsion tester, comprise base 9, main body frame 1, crossbeam 2, slide block 3, pulley 6, weight load 7, pulley 6, wirerope 5 and lifting jack 8, base is installed the fixture being used for fixing tested sample 4, above this base, main body frame is installed, the crossbeam that the equal horizontal cross of main body frame front and rear sides corresponding above base is provided with;
In order to the cable box sample measuring different size can be suitable for, this crossbeam adopts longitudinal adjustment structure of upper and lower guiding, the longitudinal screw leading screw 10 being all mounted on main body frame top in the middle part of the two ends being specially the crossbeam of both sides is driven by threaded screw rod and regulates, and the guide rail made inside main body frame of crossbeam moves up and down;
In order to lateral adjustments, crossbeam is upper and lower two, on these two crossbeams, equal horizontal slip is provided with a slide block, all pulley is installed in the end of crossbeam, this slide block is connected with wirerope and wirerope is walked around pulley and is connected with weight load 7 in the vertical direction, on described, slide block on lower two crossbeams to connect the direction of wirerope contrary, thus make slide block relative sliding, the weight load of the present embodiment adopts 100kg counterweight, the counterweight lower end of both sides all supports and is provided with lifting jack, slide block can be made to be stuck on the frame of tested sample firmly, reach the object of distortion housing, there is the graduated scale for measuring at slide block place, can measure accurately the deflection of force back casing sample.
For the ease of laying tested sample, base lower end is provided with multiple rolling bearing, sample is sent into the testing position of specifying in main body frame by the design of drawing and pulling type; Base installs four fixtures by threaded adjustment, prevents the movement of sample position in process of the test.
By above-mentioned longitudinal adjustment structure and slide block level adjusting structure, Impact direction can be made to be consistent, to avoid resolution of force, thus ensure stressed accurate.
During test, step is as follows:
(1) tested sample is placed on base, the fixture on adjusting base, sample is fixed;
(2) regulate the height and position of crossbeam according to the height of tested sample, make slide block correspondence can be held in the top bezel locations of sample;
(3) adjusting slider, pulley and weight loaded components, makes slide block, pulley and weight load mutually vertical;
(4) use lifting jack to rise counterweight, regulate wirerope to lock lifting jack after the length be applicable to, and determine that slide block has firmly been stuck on the shell frame of tested sample;
(5) lifting jack is unclamped in both sides simultaneously, falls counterweight, and at this moment the torsion of 1000N is born in test product both sides simultaneously, and starts timing, duration 30s, reads and records the deflection size of tested sample in process of the test;
(6) the lifting jack of both sides rises counterweight simultaneously, then reads and records the frame deformation data of now tested sample, equipment and test specimen is recovered to cause original position after completing measurement.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (3)
1. a cable hut torsion tester, it is characterized in that: comprise base, main body frame, crossbeam, slide block, pulley, weight load, pulley, wirerope and lifting jack, base is installed the fixture being used for fixing tested sample, above this base, main body frame is installed, the crossbeam that the equal horizontal cross of main body frame front and rear sides corresponding above base is provided with;
This crossbeam adopts longitudinal adjustment structure of upper and lower guiding, and the longitudinal screw leading screw being all mounted on main body frame top in the middle part of the two ends being specially the crossbeam of both sides drives and regulates, and the guide rail made inside main body frame of crossbeam moves up and down;
Crossbeam is upper and lower two, on these two crossbeams, equal horizontal slip is provided with a slide block, all pulley is installed in the end of crossbeam, this slide block is connected with wirerope and wirerope is walked around pulley and is connected with weight load in the vertical direction, slide block on described upper and lower two crossbeams to connect the direction of wirerope contrary, the counterweight lower end of both sides all supports and is provided with lifting jack, and slide block place is shaped with the graduated scale for measuring.
2. cable hut torsion tester according to claim 1, is characterized in that: described base lower end is provided with multiple rolling bearing, sample is sent into the testing position of specifying in main body frame by the design of drawing and pulling type; Base installs four fixtures by threaded adjustment.
3. cable hut torsion tester according to claim 1, is characterized in that: described test procedure is as follows:
(1) tested sample is placed on base, the fixture on adjusting base, sample is fixed;
(2) regulate the height and position of crossbeam according to the height of tested sample, make slide block correspondence can be held in the top bezel locations of sample;
(3) adjusting slider, pulley and weight loaded components, makes slide block, pulley and weight load mutually vertical;
(4) use lifting jack to rise counterweight, regulate wirerope to lock lifting jack after the length be applicable to, and determine that slide block has firmly been stuck on the shell frame of tested sample;
(5) lifting jack is unclamped in both sides simultaneously, falls counterweight, and at this moment the torsion of 1000N is born in test product both sides simultaneously, and starts timing, duration 30s, reads and records the deflection size of tested sample in process of the test;
(6) the lifting jack of both sides rises counterweight simultaneously, then reads and records the frame deformation data of now tested sample, equipment and test specimen is recovered to cause original position after completing measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561661.1A CN104390866B (en) | 2014-10-21 | 2014-10-21 | Torsion tester for cable branch box, and test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410561661.1A CN104390866B (en) | 2014-10-21 | 2014-10-21 | Torsion tester for cable branch box, and test method thereof |
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| CN104390866A true CN104390866A (en) | 2015-03-04 |
| CN104390866B CN104390866B (en) | 2017-02-08 |
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| CN201410561661.1A Active CN104390866B (en) | 2014-10-21 | 2014-10-21 | Torsion tester for cable branch box, and test method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064425A (en) * | 2017-03-31 | 2017-08-18 | 西安长庆科技工程有限责任公司 | A kind of adjustable wireless combustible gas detecting system and adjusting method and its application |
| 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 |
| CN108957051A (en) * | 2018-10-11 | 2018-12-07 | 国家电网有限公司 | Portable field change of current valve tester |
| CN109540697A (en) * | 2018-12-16 | 2019-03-29 | 中国航发沈阳发动机研究所 | A kind of load bar assembly, quiet torque load test method and installation method |
| CN111551387A (en) * | 2020-05-27 | 2020-08-18 | 海信视像科技股份有限公司 | Clamp for measuring torsion resistance of complete television |
| CN113551890A (en) * | 2021-06-17 | 2021-10-26 | 西安高压电器研究院有限责任公司 | High-voltage switch equipment terminal static mechanical load test device and test method |
| CN113561223A (en) * | 2021-05-14 | 2021-10-29 | 配天机器人技术有限公司 | Static compliance test system and test method |
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| JPS60120228A (en) * | 1983-12-05 | 1985-06-27 | Hazama Gumi Ltd | Twisting-moment measuring method in twist applying test |
| CN201909742U (en) * | 2011-01-20 | 2011-07-27 | 北京科技大学 | Constant load type stress corrosion twisting tester |
| CN102401764A (en) * | 2011-11-17 | 2012-04-04 | 中国航空动力机械研究所 | Model loading device |
| CN103134729A (en) * | 2013-02-18 | 2013-06-05 | 长安大学 | Stress-strain control type direct shear apparatus |
| CN103712856A (en) * | 2013-11-18 | 2014-04-09 | 国家电网公司 | Mechanical static load performance testing platform of low pressure metering box |
| CN204314158U (en) * | 2014-10-21 | 2015-05-06 | 天津电气科学研究院有限公司 | Cable hut torsion tester |
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2014
- 2014-10-21 CN CN201410561661.1A patent/CN104390866B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS60120228A (en) * | 1983-12-05 | 1985-06-27 | Hazama Gumi Ltd | Twisting-moment measuring method in twist applying test |
| CN201909742U (en) * | 2011-01-20 | 2011-07-27 | 北京科技大学 | Constant load type stress corrosion twisting tester |
| CN102401764A (en) * | 2011-11-17 | 2012-04-04 | 中国航空动力机械研究所 | Model loading device |
| CN103134729A (en) * | 2013-02-18 | 2013-06-05 | 长安大学 | Stress-strain control type direct shear apparatus |
| CN103712856A (en) * | 2013-11-18 | 2014-04-09 | 国家电网公司 | Mechanical static load performance testing platform of low pressure metering box |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064425A (en) * | 2017-03-31 | 2017-08-18 | 西安长庆科技工程有限责任公司 | A kind of adjustable wireless combustible gas detecting system and adjusting method and its application |
| CN107064425B (en) * | 2017-03-31 | 2023-08-08 | 西安长庆科技工程有限责任公司 | Adjustable wireless combustible gas detection system, adjusting method and application thereof |
| 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 |
| CN108957051A (en) * | 2018-10-11 | 2018-12-07 | 国家电网有限公司 | Portable field change of current valve tester |
| CN109540697A (en) * | 2018-12-16 | 2019-03-29 | 中国航发沈阳发动机研究所 | A kind of load bar assembly, quiet torque load test method and installation method |
| CN111551387A (en) * | 2020-05-27 | 2020-08-18 | 海信视像科技股份有限公司 | Clamp for measuring torsion resistance of complete television |
| CN113561223A (en) * | 2021-05-14 | 2021-10-29 | 配天机器人技术有限公司 | Static compliance test system and test method |
| CN113551890A (en) * | 2021-06-17 | 2021-10-26 | 西安高压电器研究院有限责任公司 | High-voltage switch equipment terminal static mechanical load test device and test method |
| CN113551890B (en) * | 2021-06-17 | 2023-10-17 | 西安高压电器研究院股份有限公司 | High-voltage switch equipment terminal static mechanical load test device and test method |
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| CN104390866B (en) | 2017-02-08 |
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