CN213581063U - Cable electrical test fixture - Google Patents
Cable electrical test fixture Download PDFInfo
- Publication number
- CN213581063U CN213581063U CN202022654751.9U CN202022654751U CN213581063U CN 213581063 U CN213581063 U CN 213581063U CN 202022654751 U CN202022654751 U CN 202022654751U CN 213581063 U CN213581063 U CN 213581063U
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- cable
- fixing seat
- block
- knurled
- shaped block
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides an electrical test fixture of cable, includes C type piece (1), cable fixing base (3), big round bolt of annular knurl (2), antifriction bearing (4), steel wire swivel nut (12), cable conductor supporting shoe (8), tip cone (9) and T type handle (10). The cable fixing seat is arranged on the C-shaped block, and a vertical round hole is formed in a sliding groove of the cable fixing seat; in the vertical direction of the thickness of the upper part and the lower part of the C-shaped block, knurled big round head bolts which are opposite to each other are respectively installed and enter the vertical round holes, and the cable is clamped through a cable supporting block and a rolling bearing; the middle part of the C-shaped block is provided with a steel wire threaded sleeve in the horizontal direction, the tip cone is preassembled on the C-shaped block through the steel wire threaded sleeve, the T-shaped handle is fixed to the tail end of the tip cone, and the tip cone is right opposite to the center of the cross section of the cable. When the clamp is used for measuring the cable, the safety of the cable can be ensured, and a shielding layer and an insulating layer are not damaged; the utility model discloses anchor clamps convenient to use, strong adaptability can satisfy the test clamping demand of the cable of common specification.
Description
Technical Field
The utility model relates to an electrical test fixture for cable belongs to cable technical field.
Background
Electrical parameters of a cable are measured by electrically connecting a test instrument to a conductor or shield of the cable.
The traditional cable measuring method is a method using a test clamp or welding, and the method is usually inconvenient to operate or poor in contact, and the testing efficiency and precision are seriously influenced.
Therefore, it is essential to design a cable test fixture which is easy to operate and meets the requirement of measurement accuracy.
Disclosure of Invention
The invention aims to disclose a cable test fixture which is simple in structure and convenient to operate, aiming at the requirements of electrical test of cables and in order to conveniently lead out a cable conductor and a metal shield and connect the cable conductor and the metal shield to a subsequent test instrument.
The utility model provides a technical scheme lies in, a cable electrical test anchor clamps, including C type piece, cable fixing base, the big circular head bolt of annular knurl, antifriction bearing, steel wire swivel nut, cable conductor supporting shoe, tip cone and T type handle. The cable fixing seat is installed in the C-shaped block, sliding grooves are formed in the upper portion and the lower portion of the cable fixing seat, and the upper protruding portion and the lower protruding portion of the C-shaped block are buckled in the sliding grooves of the cable fixing seat to fix the cable fixing seat. The C-shaped block is of a blocky C-shaped structure, and knurled large round head bolts which are opposite to each other are respectively installed in the vertical direction of the thickness of the upper part and the lower part of the C-shaped block; a round hole is formed in the horizontal direction of the thickness of the middle part of the C-shaped block and used for installing a steel wire threaded sleeve in the horizontal direction, the tip cone is preassembled on the C-shaped block through the steel wire threaded sleeve, and the T-shaped handle is fixed to the tail end of the tip cone through a set screw; a cable fixing seat is arranged between the upper knurled round head bolt and the lower knurled round head bolt of the C-shaped block, the plane position of the cable fixing seat is vertical to the plane position of the C-shaped block, and the plane center of the cable fixing seat is opposite to the tip cone; the middle of the plane of the cable fixing seat is an oval through hole, the long axis of the oval through hole is the perpendicular bisector of the cable fixing seat, and the knurled big round-head bolts above and below the C-shaped block penetrate through the cable fixing seat along the direction of the perpendicular bisector to clamp a cable to be tested.
The knurled big round head bolt at the lower end of the C-shaped block supports the cable through the cable supporting block and the four ball bearings; the cable supporting block is V-shaped, four ball bearings are divided into two groups and are respectively arranged at two ends of the upper part of the cable supporting block through outer hexagon bolts, and the center of the lower part of the cable supporting block is connected with a knurled big round head bolt through a joint connecting piece; the ball bearing can freely rotate on the mounting frame; the knurled large round-head bolt drives the cable wire supporting block to move up and down in the vertical direction through rotation.
And the knurled large round-head bolt at the upper end of the C-shaped block makes the pressing block vertically and downwards point to the radial middle part of the cable to be tested through threaded rotation, and the pressing block and the two groups of ball bearings of the cable supporting block jointly clamp the cable to be tested.
The tip cone is over against the center of the horizontal cable clamped in the cable fixing seat along the horizontal line.
The C-shaped block is made of an epoxy plate.
A shielding layer leading-out measuring hole is formed below the cable fixing seat, and a cable conductor leading-out measuring hole is formed in the center of the end face of the T-shaped handle.
The cable line measuring requirements of different specifications and diameters can be met by adjusting the distance between the upper knurled large round head bolt and the lower knurled large round head bolt.
The utility model has the advantages that when the clamp is used for measuring the cable, the safety of the cable can be ensured, and the shielding layer and the insulating layer are not damaged; the clamp has small contact resistance, large contact surface and close contact, and can ensure the subsequent electrical measurement precision; the utility model discloses anchor clamps convenient to use, strong adaptability can satisfy the test clamping demand of the cable of common specification.
Drawings
FIG. 1 is a schematic diagram of a cable construction;
FIG. 2 is a schematic structural view of the cable electrical test fixture of the present invention;
FIG. 3 is a front view of the electrical cable test fixture;
FIG. 4 is a side view of the electrical cable test fixture;
FIG. 5 is an exploded view of the cable electrical test fixture;
in the figure, 1 is a C-shaped block; 2, a knurled big round-head bolt; 3 is a cable fixing seat; 4 is a rolling bearing; 5 is an outer hexagon bolt; 6 is a nut; 7 is a nut; 8 is a cable supporting block; 9 is a tip cone; 10 is a T-shaped handle; 11 is a set screw; 12 is a steel wire thread insert; 13 is a cable wire; 14 is a cable conductor lead-out hole; 15 is a shielding layer leading-out hole; 100 is a cable conductor; 200 is an insulating layer; 300 is a shield layer.
Detailed Description
The specific implementation of the present invention is shown in fig. 1-5.
The embodiment of the invention provides an electrical cable test fixture which comprises a C-shaped block 1, a cable fixing seat 3, a knurled big round-head bolt 2, a rolling bearing 4, a steel wire thread sleeve 12, a cable supporting block 8, a tip cone 9 and a T-shaped handle 10. The cable fixing seat 3 is installed in the C-shaped block 1, sliding grooves are formed in the upper portion and the lower portion of the cable fixing seat, and the upper protruding portion and the lower protruding portion of the C-shaped block are buckled in the sliding grooves of the cable fixing seat to fix the cable fixing seat. The vertical direction of the thickness of the upper part and the lower part of the C-shaped block is respectively provided with a knurled big round-head bolt 2 which is opposite to each other; a round hole is formed in the horizontal direction of the thickness of the middle part of the C-shaped block and used for installing a steel wire threaded sleeve 12 in the horizontal direction, and a tip cone 9 is preassembled on the C-shaped block 1 in the horizontal direction through the steel wire threaded sleeve 12; the tip cone 9 is vertical to the plane of the cable fixing seat 3, a T-shaped handle 10 is fixed to the tail end of the tip cone 9 through a set screw 11, and the T-shaped handle 10 is used for adjusting the horizontal position of the tip cone 9; a vertical round hole is formed in the sliding groove of the cable fixing seat 3, and a C-shaped block is provided with an upper knurled round head bolt and a lower knurled round head bolt which enter through the vertical round hole; and the cable 13 to be tested is clamped together by the rolling bearing 4 on the cable supporting block 8.
The knurled large round head bolt 2 at the lower end of the C-shaped block 1 supports a cable 13 through a cable supporting block 8 and four ball bearings 4; the cable supporting block 8 is V-shaped, four ball bearings 4 are divided into two groups and are respectively arranged at two ends of the upper part of the cable supporting block through outer hexagon bolts 5, and the center of the lower part of the cable supporting block 8 is connected with the knurled big round-head bolt 2 through a joint connecting piece; the ball bearing 4 can rotate freely on the outer hexagon bolt 5; the knurled big-headed bolt 2 is driven by rotation to move the cable support block 8 up and down in the vertical direction. C type piece 1 and cable conductor supporting shoe 3 are fixed to the cable conductor fixing base through the big round screw bolt of annular knurl and nut on, bellied part is detained in the spout of cable conductor fixing base about the C type piece, fixes the cable conductor fixing base.
The cross section of the cable is fixed by adjusting the knurled big round head bolts on and under the C-shaped block and the T-shaped handle, the knurled big round head bolts are connected with the shielding layer through the insulating layer, and the related cable electrical measuring instrument leads the cable conductor out of the measuring hole 14 and the shielding layer out of the measuring hole 15 through the insulating test line to be connected with the instrument, so that the electrical leading-out of the cable conductor and the shielding layer is realized, and the electrical measurement can be carried out on the cable.
The cable line measuring requirements of different specification diameters can be met by adjusting the distance between the C-shaped block and the upper and lower knurled round-head bolts 2.
Claims (7)
1. A cable electrical test fixture is characterized by comprising a C-shaped block, a cable fixing seat, a knurled big round-head bolt, a rolling bearing, a steel wire thread sleeve, a cable supporting block, a tip cone and a T-shaped handle; the cable fixing seat is arranged in the C-shaped block, sliding grooves are formed in the upper part and the lower part of the cable fixing seat, and the upper convex part and the lower convex part of the C-shaped block are buckled in the sliding grooves of the cable fixing seat to fix the cable fixing seat; the vertical direction of the thickness of the upper part and the lower part of the C-shaped block is respectively provided with a knurled big round-head bolt which is opposite to each other; a round hole is formed in the horizontal direction of the thickness of the middle part of the C-shaped block and used for installing a steel wire threaded sleeve in the horizontal direction, and a tip cone is preassembled on the C-shaped block in the horizontal direction through the steel wire threaded sleeve; the tip cone is vertical to the plane of the cable fixing seat, the T-shaped handle is fixed to the tail end of the tip cone through the set screw, and the T-shaped handle is used for adjusting the horizontal position of the tip cone; a vertical round hole is formed in the sliding groove of the cable fixing seat, and a C-shaped block is provided with an upper knurled round head bolt and a lower knurled round head bolt which enter through the vertical round hole; and the rolling bearing on the cable supporting block is used for clamping the cable to be tested together.
2. The electrical cable test fixture of claim 1, wherein the knurled big stud at the lower end of the C-shaped block supports the cable through the cable support block and the four ball bearings; the cable supporting block is V-shaped, four ball bearings are divided into two groups and are respectively arranged at two ends of the upper part of the cable supporting block through outer hexagon bolts, and the center of the lower part of the cable supporting block is connected with a knurled big round head bolt through a joint connecting piece; the ball bearing can freely rotate on the mounting frame; the knurled large round-head bolt drives the cable wire supporting block to move up and down in the vertical direction through rotation.
3. The electrical cable test fixture of claim 1, wherein the knurled screw at the upper end of the C-shaped block is rotated by the screw to direct the pressing block vertically downward toward the middle of the cable to be tested, so as to clamp the cable to be tested together with the two sets of ball bearings of the cable support block.
4. The electrical cable test fixture of claim 1, wherein the planar position of said cable mount is perpendicular to the planar position of said C-block; the middle of the plane of the cable fixing seat is provided with an oval through hole for a cable to be tested to pass through, and the long axis of the oval through hole is a perpendicular bisector of the cable fixing seat; the knurled big round head bolts on the upper and lower parts of the C-shaped block penetrate through the cable fixing seat along the direction of the perpendicular bisector.
5. The electrical cable test fixture of claim 1, wherein the tip cone is aligned with the center of the horizontal cable retained in the cable retainer along a horizontal line.
6. The electrical cable test fixture of claim 1, wherein the C-block is made of epoxy.
7. The cable electrical test fixture of claim 1, wherein a shielding layer lead-out measuring hole is formed below the cable fixing seat, and a cable conductor lead-out measuring hole is formed in the center of the end face of the T-shaped handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022654751.9U CN213581063U (en) | 2020-11-17 | 2020-11-17 | Cable electrical test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022654751.9U CN213581063U (en) | 2020-11-17 | 2020-11-17 | Cable electrical test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213581063U true CN213581063U (en) | 2021-06-29 |
Family
ID=76537788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022654751.9U Active CN213581063U (en) | 2020-11-17 | 2020-11-17 | Cable electrical test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213581063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117092442A (en) * | 2023-10-17 | 2023-11-21 | 江苏亨通高压海缆有限公司 | Submarine cable temperature fault test equipment |
-
2020
- 2020-11-17 CN CN202022654751.9U patent/CN213581063U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117092442A (en) * | 2023-10-17 | 2023-11-21 | 江苏亨通高压海缆有限公司 | Submarine cable temperature fault test equipment |
| CN117092442B (en) * | 2023-10-17 | 2024-01-26 | 江苏亨通高压海缆有限公司 | Submarine cable temperature fault test equipment |
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