CN204988571U - Cable accessories interface pressure test machine - Google Patents
Cable accessories interface pressure test machine Download PDFInfo
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- CN204988571U CN204988571U CN201520764577.XU CN201520764577U CN204988571U CN 204988571 U CN204988571 U CN 204988571U CN 201520764577 U CN201520764577 U CN 201520764577U CN 204988571 U CN204988571 U CN 204988571U
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000005259 measurement Methods 0.000 claims description 30
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 11
- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 238000007405 data analysis Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The utility model discloses a cable accessories interface pressure test machine for measure the interfacial pressure after the cable accessories installation, including observing and controling the unit, expanding first unit, mobile unit, removal power pack and fuselage, each unit sets up on the fuselage, and mobile unit is used for placing the cable accessories product of examination of awaiting measuring, removes power pack and is used for driving mobile unit, and drive mobile unit and cable accessories product carry out rectilinear movement, axis direction after the cable accessories product is placed is parallel with mobile unit's moving direction, expand the rectilinear movement orbit that first unit is located mobile unit to expand axis with the mobile unit's of first unit rectilinear movement orbit coincidence, it is equipped with pressure sensor on the surface of first unit to expand, pressure sensor and observing and controlling unit connection for collect analysis pressure sensor's the signal of meeting an emergency, and the output interface pressure test result the utility model discloses it is rational in infrastructure, convenient operation, automatic, modularization degree height, the measuring accuracy is high.
Description
Technical field
The utility model belongs to electric cable fitting measuring technology, is specifically related to a kind of cable accessory interfacial pressure test machine.
Background technology
Electric cable fitting is the important component part in cable line, and its performance quality is directly connected to the operation of cable line.
A lot of rubber-based products is there is in cable accessory products, rubber-based products or be sleeved on cable by interference fit, or be pressed on cable by hold down gag, make to there is certain equally distributed interfacial pressure between itself and cable insulation or semiconductive shielding layer, the size of this pressure and the stable installation dimension directly affecting rubber-like cable accessory products, and the discharge performance level between product insulation and cable insulation interface.Therefore, there is the meaning of particular importance in the interfacial pressure of the inside surface after measuring the expansion of rubber-like cable accessory products or after compressing to the design of cable accessory and quality management and control.
The interfacial pressure of cable accessory products indirectly can only be reacted by the electric test method of routine, not directly perceived, the corresponding relation of interfacial pressure and properties of product situation can not be set up, be unfavorable for the quality management of cable accessory products like this, reliable Data support can not be provided for the design of cable accessory products.
The application number of the applicant's application be 201420635869.9 Chinese patent disclose a kind of interfacial pressure checkout equipment of cable accessory intermediate head main body, by rain glass and pressure transducer, test bar is inserted in intermediate head main body, pass into pressurized air in the tubular adapter body closed simultaneously, the detection of interfacial pressure is obtained by detecting compressed-air actuated force value, intermediate head main body is being inserted in the process difficult of test bar by the method, and measured by compression gas-pressure, still certain difference is there is with the solid squeeze pressure produced in cable accessory actual installation process, and the interfacial pressure of concrete detection accessory inwall diverse location of having no idea.
Utility model content
The technical matters that the utility model solves is: the interfacial pressure existed for the rubber accessory product be sleeved on cable is tested, a kind of novel cable accessory interfacial pressure test machine is provided, achieve cable accessory products equivalence install after, simulation dilatation under or under measuring phase to the measurement of its inwall interfacial pressure.
The utility model adopts following technical scheme to realize:
A kind of cable accessory interfacial pressure test machine, comprising:
Fuselage 1 is the integrated support parts of test machine, for arranging the unit of test machine;
Mobile unit 2, for placing cable accessory products 3 to be tested, described cable accessory products 3 is hollow cylindrical configuration;
Mobile power unit 8, for driving mobile unit, described mobile unit 2 is connected with mobile power unit 8, drives mobile unit and cable accessory products to move linearly, and the axis direction after described cable accessory products 3 placement is parallel with the moving direction of mobile unit;
Expand head unit 5, interference plug-in mounting is carried out for dummycable and cable accessory products, described expansion head unit 5 is positioned on the rectilinear movement track of mobile unit, and the rectilinear movement track of the axis and mobile unit that expand head unit overlaps, and the outside surface of described expansion head unit 5 is provided with pressure transducer 52;
Measurement and control unit 6, for collecting and analyzing the strain signal of pressure transducer, and output interface pressure testing results, described measurement and control unit 6 is connected by signal conductor 61 with pressure transducer 52.
In the utility model, described mobile unit 2 is the support body placing cable accessory products, comprise parallel bottom plate 21 and upper mounted plate 23, be connected by some support bars 22 between described bottom plate 21 and upper mounted plate 23, described bottom plate 21 and upper mounted plate 23 are respectively equipped with the locating slot of corresponding cable accessory products end.
Further, described mobile unit is also provided with the fixture 24 of auxiliary attached cable accessory product on the fixed head expanding head unit, and described fixture 24 is detachably arranged on mobile unit by bolt.
Further, the rigid enclosure of axially auxiliary attached cable accessory product is fixed with between described bottom plate 21 and the locating slot of upper mounted plate 23.
In the utility model, described expansion head unit 5 comprises pillar 51 and guide cone 53, and described pillar 51 is fixed on fuselage, and described pressure transducer 52 is arranged in the expansion head section of pillar 51, and described guide cone 53 is arranged on the end of pillar 51.
In the utility model, described mobile power unit 8 is the elevating mechanism vertically arranged, and adopts hydraulically powered hoist cylinder or electric threaded shaft mechanism.
Further, described fuselage 1 is provided with the electric control module 81 be electrically connected with mobile power unit 8.
In the utility model, described test machine also comprises pilot unit 4, carries out mobile guide for auxiliary moving unit 2, comprises the guide rod 41 that at least two are parallel to mobile unit moving direction, and the guide pin bushing 42 that described mobile unit 2 and slippage on guide rod 41 are set with is connected.
Further, the moving direction along described mobile unit 2 is provided with displacement transducer 7, and institute's displacement sensors 7 is connected with measurement and control unit 6 by signal conductor 61.
Concrete, described measurement and control unit 6 is for being mounted with the computing machine of pressure test analytic system, interfacial pressure after can installing product 3 carries out Real-Time Monitoring, Real-Time Monitoring is carried out to the displacement of mobile unit 2, and can pressure transducer 52 be demarcated and be calibrated, record is carried out to measurement data, and generates data analysis chart, figure line.
By expanding head unit and cable accessory products plug-in mounting in the utility model, the installation of dummycable annex, mobile unit is promoted by mobile power unit, the position of mobile unit is measured by displacement transducer, and data are sent to measurement and control unit by signal conductor, by electric control module, mobile power unit is controlled.The strain signal expanding the pressure transducer on head unit sends measurement and control unit to by signal conductor, and measurement and control unit carries out Real-Time Monitoring to strain signal, and carries out record to data, generates data analysis chart, figure line.
During cable accessory actual installation, cable accessory products is sleeved on cable insulation, carries out electric stress control to cable.When carrying out interfacial pressure measurement with cable accessory interfacial pressure test machine of the present utility model, by expansion head unit simulation actual cable, pressure transducer outside dimension equals the outer insulation diameter size with product accessory cables.Cylindric rubber cable accessory product internal diameter size and pressure transducer outside dimension adopt interference fit, namely the outside dimension of pressure sensor position is greater than product internal diameter size, after expanding head unit insertion product cavity, because rubber product is expanded, product inwall and this interface of pressure transducer outer wall will exist certain pressure, and this pressure is measured interfacial pressure.
From the above mentioned, a kind of cable accessory interfacial pressure tester architecture of the present utility model is reasonable, easy to operate, and robotization, the degree of modularity are high, and measuring accuracy is high.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the front view of the cable accessory interfacial pressure test machine in the utility model.
Fig. 2 is the side view of the cable accessory interfacial pressure test machine in the utility model.
Fig. 3 is the scheme of installation of mobile unit in the utility model and product.
Fig. 4 is the schematic diagram of the expansion head unit in the utility model.
Number in the figure:
1-fuselage;
2-mobile unit, 21-bottom plate, 22-support bar, 23-upper mounted plate, 24-fixture;
3-product;
4-pilot unit, 41-guide rod, 42-guide pin bushing;
5-expands head unit, 51-pillar, 52-pressure transducer, 53-guide cone;
6-measurement and control unit, 61-signal conductor;
7-displacement transducer;
8-moves power unit, 81-electric control module.
Embodiment
Embodiment
See Fig. 1 and Fig. 2, cable accessory interfacial pressure test machine comprises fuselage 1, mobile unit 2, expands head unit 5, measurement and control unit 6 and mobile power unit 8, and wherein, fuselage 1 is the integrated support parts of test machine, and the equal device of all the other units on the fuselage 1.
Mobile unit 2 is for placing cable accessory products 3 to be tested, and cable accessory products 3 is hollow cylindrical configuration; Mobile power unit 8 is for driving mobile unit 2, mobile unit 2 is connected with mobile power unit 8, mobile power unit drives mobile unit and cable accessory products to move linearly, and the axis direction after cable accessory products 3 placement is parallel with the moving direction of mobile unit; Test machine also comprises pilot unit 4, carries out mobile guide for auxiliary moving unit 2, comprises the guide rod 41 that at least two are parallel to mobile unit moving direction, and the guide pin bushing 42 that mobile unit 2 is set with slippage on guide rod 41 is connected.
Expand head unit 5 and carry out interference plug-in mounting for dummycable and cable accessory products 3, expanding head unit 5 is positioned on the rectilinear movement track of mobile unit, and the rectilinear movement track of the axis and mobile unit that expand head unit overlaps, the outside surface expanding head unit 5 is provided with pressure transducer 52; Moving direction along mobile unit 2 is provided with displacement transducer 7, and displacement transducer 7 is connected with measurement and control unit 6 by signal conductor 61, and displacement transducer 7 can control the distance expanding head unit insertion product internal diameter.
Measurement and control unit 6 is for collecting and analyzing the strain signal of pressure transducer, and output interface pressure testing results, measurement and control unit 6 is connected by signal conductor 61 with pressure transducer 52.
In a particular application, mobile unit adopts vertical lifting, and mobile power unit 8 is the elevating mechanism vertically arranged, and adopts hydraulically powered hoist cylinder or electric threaded shaft mechanism.Be provided with the electric control module 81 be electrically connected with mobile power unit 8 on the fuselage 1.
In conjunction with see Fig. 3, mobile unit 2 is the support body placing cable accessory products, comprise parallel bottom plate 21 and upper mounted plate 23, be connected by some support bars 22 between bottom plate 21 and upper mounted plate 23, bottom plate 21 and upper mounted plate 23 are respectively equipped with the locating slot of corresponding cable accessory products end.Mobile unit is also provided with the fixture 24 of auxiliary attached cable accessory product on the fixed head expanding head unit, and fixture 24 is detachably arranged on mobile unit by bolt.Be fixed with the rigid enclosure of axially auxiliary attached cable accessory product between the locating slot of bottom plate 21 and upper mounted plate 23, softer product can be avoided to produce distortion when expanding head unit and inserting.Product 3 is placed between upper mounted plate 23 and bottom plate 21, fixed by fixture 24, controlled by electric control module 81, mobile power unit 8 promotes the product of mobile unit 2 and upper placement thereof, move up and down along guide rod 41, and carry out displacement monitoring by the moving displacement of displacement transducer 7 pairs of mobile units 2, by signal conductor 61, monitor signal is transferred to measurement and control unit 6.Pressure transducer 52 external diameter is greater than product 3 internal diameter, and pressure transducer 52 is inserted in product 3, and the interface that the inwall of pressure transducer 52 outer wall and product 3 is formed is the pressure test interface of cable accessory interfacial pressure test machine.Because product 3 is expanded, can produce pressure to pressure transducer 52 outer wall, pressure transducer 52 outer wall generation miniature deformation, foil gauge produces strain signal, passes to measurement and control unit 6, analyze and export measurement result through signal conductor 61.
In conjunction with see Fig. 4, in the present embodiment, expand head unit 5 and comprise pillar 51 and guide cone 53, pillar 51 is fixed on fuselage, and pressure transducer 52 is arranged in the expansion head section of pillar 51, and guide cone 53 is arranged on the end of pillar 51.Expanding head unit 5 is separate type column structure, and pressure transducer 52 can be made into plurality of specifications, is convenient to the product 3 testing different size.Product 3 is the cylinder-like structure elastomeric material product of hollow, during test, the pressure transducer 52 selecting specification to mate, controlling mobile unit 2 by mobile power unit drives product 3 to move upward, such expansion head unit 5 is inserted in the tubular structure of product, sensor is placed in product 3 assigned position.
Concrete, measurement and control unit 6 is for being mounted with the computing machine of pressure test analytic system, interfacial pressure after can installing product 3 carries out Real-Time Monitoring, Real-Time Monitoring is carried out to the displacement of mobile unit 2, and can pressure transducer 52 be demarcated and be calibrated, record is carried out to measurement data, and generates data analysis chart, figure line.Pressure test analytic system is the software systems of existing maturation, does not elaborate at this.
The course of work of the cable accessory interfacial pressure test machine of the present embodiment is as follows: open facility switching and make cable accessory interfacial pressure test machine in running order, product 3 is placed between the upper mounted plate 23 of mobile unit 2 and bottom plate 21, regulate the position of product 3, make product 3 and expand head unit 5 coaxial alignment, being convenient to expand head unit 5 and inserting in product 3; At product 3 inner chamber, expand on head unit 5 outer wall and smear lubrication insulating compound, reduce to expand the friction force that head unit inserts product cavity, start the testing software of measurement and control unit 6, start the measurement data recording pressure transducer 52, measurement and control unit 6 handles mobile power unit 8 by electric control module 81, and mobile unit 2 is moved up, and makes expansion head unit 5 be inserted into product 3 inner chamber, after expansion head unit 5 is inserted into tested position, controls mobile unit 2 and stop at this position.Measurement and control unit 6 records the displacement data of the interfacial pressure data of pressure transducer 52 measurement and the mobile unit of displacement transducer 7 measurement in time continuously, product 3 is carried out to the test of stipulated time; After reaching the test duration, control mobile unit 2 and move down, expand head unit 5 and deviate from from product 3 gradually, final mobile unit 2 moves to fuselage 1 lower end to be stopped automatically; The testing software controlling measurement and control unit 6 stops record, and exports data record, data analysis chart, figure line.
Above-mentioned is preferred implementation of the present utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; in form and details to the various changes done by the utility model, all belong to protection domain of the present utility model.
Claims (10)
1. a cable accessory interfacial pressure test machine, is characterized in that comprising:
Fuselage (1) is the integrated support parts of test machine, for arranging the unit of test machine;
Mobile unit (2), for placing cable accessory products (3) to be tested, described cable accessory products (3) is hollow cylindrical configuration;
Mobile power unit (8), for driving mobile unit, described mobile unit (2) is connected with mobile power unit (8), drive mobile unit and cable accessory products to move linearly, the axis direction after described cable accessory products (3) placement is parallel with the moving direction of mobile unit;
Expand head unit (5), interference plug-in mounting is carried out for dummycable and cable accessory products, described expansion head unit (5) is positioned on the rectilinear movement track of mobile unit, and the rectilinear movement track of the axis and mobile unit that expand head unit overlaps, the outside surface of described expansion head unit (5) is provided with pressure transducer (52);
Measurement and control unit (6), for collecting and analyzing the strain signal of pressure transducer, and output interface pressure testing results, described measurement and control unit (6) is connected by signal conductor (61) with pressure transducer (52).
2. a kind of cable accessory interfacial pressure test machine according to claim 1, described mobile unit (2) is the support body placing cable accessory products, comprise parallel bottom plate (21) and upper mounted plate (23), be connected by some support bars (22) between described bottom plate (21) and upper mounted plate (23), described bottom plate (21) and upper mounted plate (23) are respectively equipped with the locating slot of corresponding cable accessory products end.
3. a kind of cable accessory interfacial pressure test machine according to claim 2, described mobile unit is also provided with the fixture (24) of auxiliary attached cable accessory product on the fixed head expanding head unit (5), and described fixture (24) is detachably arranged on mobile unit (2) by bolt.
4. a kind of cable accessory interfacial pressure test machine according to claim 3, is fixed with the rigid enclosure of axially auxiliary attached cable accessory product between the locating slot of described bottom plate (21) and upper mounted plate (23).
5. a kind of cable accessory interfacial pressure test machine according to claim 1, described expansion head unit (5) comprises pillar (51) and guide cone (53), described pillar (51) is fixed on fuselage, described pressure transducer (52) is arranged in the expansion head section of pillar (51), and described guide cone (53) is arranged on the end of pillar (51).
6. a kind of cable accessory interfacial pressure test machine according to any one of claim 1-5, described mobile power unit (8) is the elevating mechanism vertically arranged, and adopts hydraulically powered hoist cylinder or electric threaded shaft mechanism.
7. a kind of cable accessory interfacial pressure test machine according to claim 6, described fuselage (1) is provided with the electric control module (81) be electrically connected with mobile power unit (8).
8. a kind of cable accessory interfacial pressure test machine according to claim 6, described test machine also comprises pilot unit (4), mobile guide is carried out for auxiliary moving unit (2), comprise the guide rod (41) that at least two are parallel to mobile unit moving direction, the guide pin bushing (42) that described mobile unit (2) is set with the upper slippage of guide rod (41) is connected.
9. a kind of cable accessory interfacial pressure test machine according to claim 1, moving direction along described mobile unit (2) is provided with displacement transducer (7), and institute's displacement sensors (7) is connected with measurement and control unit (6) by signal conductor (61).
10. a kind of cable accessory interfacial pressure test machine according to claim 9, described measurement and control unit (6) is for being mounted with the computing machine of pressure test analytic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764577.XU CN204988571U (en) | 2015-09-29 | 2015-09-29 | Cable accessories interface pressure test machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764577.XU CN204988571U (en) | 2015-09-29 | 2015-09-29 | Cable accessories interface pressure test machine |
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| CN204988571U true CN204988571U (en) | 2016-01-20 |
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| CN201520764577.XU Active CN204988571U (en) | 2015-09-29 | 2015-09-29 | Cable accessories interface pressure test machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136356A (en) * | 2015-09-29 | 2015-12-09 | 长缆电工科技股份有限公司 | Testing machine of interface pressure of cable accessory |
| CN106404250A (en) * | 2016-03-21 | 2017-02-15 | 广州供电局有限公司 | Cable cold shrink intermediate joint interface pressure measuring apparatus and method thereof |
| CN107505070A (en) * | 2017-08-28 | 2017-12-22 | 广东电网有限责任公司电力科学研究院 | A kind of interface pressure distribution testing method of cable accessory |
| CN109269684A (en) * | 2018-11-07 | 2019-01-25 | 哈尔滨理工大学 | A kind of interfacial pressure test error bearing calibration of cable accessory |
| CN110186605A (en) * | 2019-05-20 | 2019-08-30 | 广东电网有限责任公司 | A kind of real-time measurement apparatus and method of HV cable accessories interfacial pressure |
-
2015
- 2015-09-29 CN CN201520764577.XU patent/CN204988571U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136356A (en) * | 2015-09-29 | 2015-12-09 | 长缆电工科技股份有限公司 | Testing machine of interface pressure of cable accessory |
| CN106404250A (en) * | 2016-03-21 | 2017-02-15 | 广州供电局有限公司 | Cable cold shrink intermediate joint interface pressure measuring apparatus and method thereof |
| CN106404250B (en) * | 2016-03-21 | 2019-04-19 | 广州供电局有限公司 | The measuring device and its method of cable cold-shrinking intermediate joint interfacial pressure |
| CN107505070A (en) * | 2017-08-28 | 2017-12-22 | 广东电网有限责任公司电力科学研究院 | A kind of interface pressure distribution testing method of cable accessory |
| CN107505070B (en) * | 2017-08-28 | 2019-09-13 | 广东电网有限责任公司电力科学研究院 | A kind of interface pressure distribution testing method of cable accessory |
| CN109269684A (en) * | 2018-11-07 | 2019-01-25 | 哈尔滨理工大学 | A kind of interfacial pressure test error bearing calibration of cable accessory |
| CN110186605A (en) * | 2019-05-20 | 2019-08-30 | 广东电网有限责任公司 | A kind of real-time measurement apparatus and method of HV cable accessories interfacial pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410000 No. 223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Patentee after: Long Cable Technology Group Co.,Ltd. Country or region after: China Address before: No. 223 Tongzipo West Road, Lugu Industrial Park, High tech Zone, Changsha City, Hunan Province, 410205 Patentee before: CHANGLAN CABLE ACCESSORIES Co.,Ltd. Country or region before: China |