CN216350799U - Connecting clamp for cable thermal cycle test - Google Patents
Connecting clamp for cable thermal cycle test Download PDFInfo
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- CN216350799U CN216350799U CN202122027517.8U CN202122027517U CN216350799U CN 216350799 U CN216350799 U CN 216350799U CN 202122027517 U CN202122027517 U CN 202122027517U CN 216350799 U CN216350799 U CN 216350799U
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- gasket
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 14
- 238000004891 communication Methods 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of connecting clamps, in particular to a connecting clamp for a cable thermal cycle test, which comprises a long clamping plate and a short clamping plate, wherein the short clamping plate is detachably connected to the upper side of the left part of the long clamping plate, the upper side of the left part of the long clamping plate is provided with a first groove with an upward opening and a front-back through manner, the first groove is a semicircular arc-shaped groove, the bottom of the short clamping plate corresponding to the position of the first groove is provided with a second groove with a downward opening and a front-back through manner, and the second groove is a semicircular arc-shaped groove. The cable testing device is reasonable and compact in structure and convenient to use, the cable to be tested is fixed through the long clamping plate and the short clamping plate, after the cable testing device is used, the long clamping plate and the short clamping plate can be separated for next use, so that the cable testing device is convenient to reuse, the problem of waste caused by the need of a plurality of wiring terminals is avoided, the waste of testing materials is reduced, and the flexibility of testing is improved.
Description
Technical Field
The utility model relates to the technical field of connecting clamps, in particular to a connecting clamp for a cable thermal cycle test.
Background
The thermal cycle test is an extremely important test item in a power cable type test and is used for evaluating the overall performance of the cable after accelerated aging under a heating condition. The cable intensification common implementation mode is for inducing the heavy current in forming closed circuit's cable conductor through the bushing transformer at present, and joule effect makes the conductor rise and stabilizes certain time after the preset temperature, makes it cool off a period again, and so cold and hot circulation totally 20 cycles accomplish whole thermal cycle test promptly, and the cable product electrical property is examined to follow-up partial discharge test, thunder and lightning impulse voltage test and power frequency voltage test again.
In the process of developing a cable thermal cycle test, exposed cable conductors at two ends of a cable need to be reliably connected to form a closed loop, a special wiring terminal matched with the specification of the cable conductor is installed in the conventional universal mode, after the cable conductor is crimped by a pair of crimping pliers, a bolt penetrates through 2 wiring terminal holes and is locked to realize the connection of 2-phase cable conductors, and the crimping mode has the defect that the wiring terminal cannot be reused. Because the cross-sectional area of the cable in the laboratory is various in specification and large in number, if the test is carried out in the mode, a considerable number of wiring terminals are required to be prepared, and the economic cost is high.
Disclosure of Invention
The utility model provides a connecting clamp for a cable thermal cycle test, overcomes the defects of the prior art, and can effectively solve the problem that a plurality of wiring terminals are needed to cause waste because the wiring terminals cannot be reused in the existing mode that cable conductors are connected into a closed loop through special wiring terminals.
The technical scheme of the utility model is realized by the following measures: the utility model provides a coupling fixture for cable thermal cycle is experimental, includes long splint and short splint, and the left part upside at long splint can be dismantled to the short splint, and long splint left part upside is equipped with the opening and upwards just around the first recess that link up, and first recess is semicircular arc wall, and the short splint bottom that corresponds first groove position is equipped with the opening and down just around the second recess that link up, and the second recess is semicircular arc wall.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the gasket can also comprise a first gasket and a second gasket, the first gasket and the second gasket are both semicircular arc-shaped plates, the first gasket is matched with the first groove and is positioned in the first groove, and the second gasket is matched with the second groove and is positioned in the second groove.
The bolt can also comprise a bolt, at least two first mounting holes which are communicated up and down are arranged on the upper portion of the long clamp plate corresponding to the two sides of the first groove at intervals, a second mounting hole corresponding to the first mounting hole is arranged on the short clamp plate corresponding to the first mounting hole, and the screw end of the bolt sequentially penetrates through the first mounting hole and the second mounting hole from bottom to top and then is fixed through a nut.
At least one communicating hole which is penetrated up and down can be arranged on the upper side of the right part of the long splint.
The cable testing device is reasonable and compact in structure and convenient to use, the cable to be tested is fixed through the long clamping plate and the short clamping plate, after the cable testing device is used, the long clamping plate and the short clamping plate can be separated for next use, so that the cable testing device is convenient to reuse, the problem of waste caused by the need of a plurality of wiring terminals is avoided, the waste of testing materials is reduced, and the flexibility of testing is improved.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the long splint shown in fig. 1.
Fig. 3 is a perspective view of the short splint shown in fig. 1.
The codes in the figures are respectively: 1 is long splint, 2 is short splint, 3 is first recess, 4 is the second recess, 5 is first gasket, 6 is the second gasket, 7 is the bolt, 8 is the intercommunicating pore, 9 is first mounting hole, 10 is the second mounting hole.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The utility model is further described with reference to the following examples and figures:
as shown in the attached drawings 1, 2 and 3, the connecting clamp for the cable thermal cycle test comprises a long clamp plate 1 and a short clamp plate 2, the short clamp plate 2 can be detachably connected to the upper side of the left part of the long clamp plate 1, a first groove 3 with an upward opening and a through front and back is formed in the upper side of the left part of the long clamp plate 1, the first groove 3 is a semicircular arc-shaped groove, a second groove 4 with a downward opening and a through front and back is formed in the bottom of the short clamp plate 2 corresponding to the position of the first groove 3, and the second groove 4 is a semicircular arc-shaped groove.
According to the requirement, the long splint 1, the short splint 2, the first gasket 5 and the second gasket 6 can be made of the existing known copper metal material, so that the electric conduction is facilitated.
During the use, accessible two kinds of modes realize that the exposed cable conductor at cable both ends reliably connects and forms closed circuit, specifically is:
1. the utility model is connected with the existing connecting terminal: one end of a cable needing an electrothermal circulation test is placed in the first groove 3, the short clamping plate 2 is fixed on the upper side of the long clamping plate 1, so that the cable is in contact with the inner side of the second groove 4, the cable is fixed on the inner sides of the first groove 3 and the second groove 4, the other end of the cable is connected to one side of an existing wiring terminal, the other side of the existing wiring terminal is connected with one side of the long clamping plate 1, and therefore exposed cable conductors at two ends of the cable are connected to form a closed loop;
2. two inventions were connected together: one end of a cable needing an electrothermal cycle test is placed in one first groove 3 of the utility model, the short clamping plate 2 is fixed on the upper side of the long clamping plate 1 to enable the cable to be in contact with the inner side of the second groove 4, so that the cable is fixed on the inner sides of the first groove 3 and the second groove 4, the other end of the cable is placed in the other first groove 3 of the utility model, the short clamping plate 2 is fixed on the upper side of the long clamping plate 1 to enable the cable to be in contact with the inner side of the second groove 4, so that the cable is fixed on the inner sides of the first groove 3 and the second groove 4, and then the two corresponding long clamping plates 1 are connected, so that the cable conductors exposed at the two ends of the cable are connected to form a closed loop.
In conclusion, the cable testing device is reasonable and compact in structure and convenient to use, the cable to be tested is fixed through the long clamping plate 1 and the short clamping plate 2, after the cable testing device is used, the long clamping plate 1 and the short clamping plate 2 can be separated for next use, so that the cable testing device is convenient to reuse, the problem of waste caused by the need of a plurality of wiring terminals is avoided, the waste of testing materials is reduced, and the flexibility of the test is improved.
The connecting clamp for the cable thermal cycle test can be further optimized or/and improved according to actual needs:
as shown in the attached drawing 1, the gasket further comprises a first gasket 5 and a second gasket 6, the first gasket 5 and the second gasket 6 are both semicircular arc-shaped plates, the first gasket 5 is matched with the first groove 3 and is positioned in the first groove 3, and the second gasket 6 is matched with the second groove 4 and is positioned in the second groove 4.
According to needs, the thicknesses of the first gasket 5 and the second gasket 6 can be set according to the thickness of the outer diameter of the cable conductor, so that when the depths of the first groove 3 and the second groove 4 cannot adapt to the cable conductor with a small outer diameter, the cable conductor can be fully contacted with the first groove 3 and the second groove 4 through the thicknesses of the first gasket 5 and the second gasket 6, the fixing device can be suitable for fixing cable conductors with different outer diameters, and the flexibility of tests is improved.
As shown in the attached drawing 1, the clamping device further comprises a bolt 7, at least two first mounting holes 9 which are communicated up and down are formed in the upper portion of the long clamping plate 1 corresponding to the two sides of the first groove 3 at intervals in the front-back direction, a second mounting hole 10 corresponding to the first mounting hole 9 is formed in the short clamping plate 2 corresponding to the first mounting hole 9, and the screw end of the bolt 7 sequentially penetrates through the first mounting hole 9 and the second mounting hole 10 from bottom to top and then is fixed through a nut.
The long clamping plate 1 and the short clamping plate 2 are detachably connected together through the bolt 7, so that the installation and the disassembly are convenient.
As shown in fig. 2, at least one communication hole 8 is formed at the upper right portion of the long splint 1.
By providing the communication hole 8, the mutual connection between the two of the present invention and the connection between the present invention and the external connection terminal are facilitated by providing the bolt 7 in the communication hole 8.
The technical characteristics form an embodiment of the utility model, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (5)
1. The utility model provides a coupling fixture for cable thermal cycle is experimental, its characterized in that includes long splint and short splint, and the left part upside at long splint can be dismantled to the short splint, and long splint left part upside is equipped with the opening and upwards just around the first recess that link up, and first recess is semicircular arc wall, and the short splint bottom that corresponds first groove position is equipped with the opening and down just around the second recess that link up, and the second recess is semicircular arc wall.
2. The connecting clamp for the cable thermal cycle test according to claim 1, further comprising a gasket, wherein the gasket comprises a first gasket and a second gasket, the first gasket and the second gasket are both semicircular arc-shaped plates, the first gasket is matched with the first groove and is positioned in the first groove, and the second gasket is matched with the second groove and is positioned in the second groove.
3. The connecting clamp for the cable thermal cycle test according to claim 1 or 2, further comprising a bolt, wherein at least two first mounting holes which are through up and down are formed in the upper portion of the long clamping plate corresponding to the two sides of the first groove at intervals in the front-back direction, a second mounting hole corresponding to the first mounting hole is formed in the short clamping plate corresponding to the first mounting hole, and a screw end of the bolt sequentially penetrates through the first mounting hole and the second mounting hole from bottom to top and then is fixed through a nut.
4. The connecting clamp for cable thermal cycle test according to claim 1 or 2, wherein the upper side of the right part of the long clamping plate is provided with at least one communicating hole which is vertically penetrated.
5. The connecting clamp for cable thermal cycle test according to claim 3, wherein the upper side of the right portion of the long clamping plate is provided with at least one communicating hole which is vertically penetrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122027517.8U CN216350799U (en) | 2021-08-26 | 2021-08-26 | Connecting clamp for cable thermal cycle test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122027517.8U CN216350799U (en) | 2021-08-26 | 2021-08-26 | Connecting clamp for cable thermal cycle test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216350799U true CN216350799U (en) | 2022-04-19 |
Family
ID=81168235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122027517.8U Active CN216350799U (en) | 2021-08-26 | 2021-08-26 | Connecting clamp for cable thermal cycle test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216350799U (en) |
-
2021
- 2021-08-26 CN CN202122027517.8U patent/CN216350799U/en active Active
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