CN217521301U

CN217521301U - Terminal for cable partial discharge test

Info

Publication number: CN217521301U
Application number: CN202220964201.3U
Authority: CN
Inventors: 陈宝军; 曹继明; 张玉国; 陈立鹏; 郑强
Original assignee: Hipo Electrix Science & Technology Co ltd
Current assignee: Hipo Electrix Science & Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-30
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a terminal for cable partial discharge test, including the protecting crust, the protecting crust top is the opening setting, and the protecting crust inner wall left and right sides is close to the equal fixedly connected with backing plate of bottom department, two the backing plate top installs the terminal body jointly, the terminal body left and right sides is equal fixedly connected with extension board, two the extension board top is the common fixedly connected with annular slab, the annular slab inner wall left and right sides is equal fixedly connected with the pipe, through the cooperation use between a series of parts such as being provided with protecting crust, roof and handle, makes the utility model discloses can protect the terminal body when idle, avoid receiving external striking and damaging it; through being provided with the cooperation between a series of parts such as annular plate, arc piece and slipmat and use, make the utility model discloses an elasticity of first spring replaces the bolt to carry out the centre gripping location operation to the cable, avoids causing the extrusion damage to the cable skin.

Description

Terminal for cable partial discharge test

Technical Field

The utility model relates to a cable test terminal technical field specifically is a terminal is used in cable partial discharge test.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. In the production process of cable, for the quality of guarantee cable product self, it detects to carry out the partial discharge test to it generally, this just needs to use test terminal, current partial discharge test terminal is in the use, generally extrude fixed operation through the bolt to the cable, this makes it cause the damage to the cable surface easily undoubtedly, and then influence follow-up use, it is exactly that the terminal is after the use in addition, generally all expose and idle in the external world, this makes it receive external striking easily undoubtedly, and then lead to its inside damage, so propose a cable partial discharge test here and solve prior art's not enough with the terminal.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's defect, provide a terminal for cable partial discharge test.

In order to achieve the above object, the utility model provides a following technical scheme: a terminal for a cable partial discharge test comprises a protective shell, the top of the protective shell is provided with an opening, and the left and right sides of the inner wall of the protective shell near the bottom are fixedly connected with backing plates, the top parts of the two backing plates are jointly provided with a terminal body, the left side and the right side of the terminal body are both fixedly connected with supporting plates, the tops of the two supporting plates are fixedly connected with an annular plate together, the left side and the right side of the inner wall of the annular plate are both fixedly connected with round pipes, the inner cavities of the round pipes are provided with first springs, one end of the first spring is fixedly connected with the inner wall of the annular plate, the other end of the first spring is fixedly connected with a push block, one end of the push block, which is far away from the first spring, is fixedly connected with a push rod, one end of the push rod, which is far away from the push block, is fixedly connected with an arc-shaped block, two roof plates are movably connected to the top of the protective shell and arranged on the left and right sides, and positioning mechanisms are arranged on the sides, far away from one sides, of the two roof plates.

Preferably, the positioning mechanism comprises a side block, the side block is fixedly connected with the side wall of the protective shell, a side groove is formed in one side, away from the protective shell, of the side block, a U-shaped block is fixedly connected with the side wall of the top plate, one side, away from the top plate, of the U-shaped block extends to an inner cavity of the side groove, a positioning groove is formed in the bottom of the U-shaped block, a bottom shell is fixedly connected with the bottom shell, a stop block is arranged in the inner cavity of the bottom shell, a positioning rod is fixedly connected with the top of the bottom shell, penetrates through the bottom shell, the stop block and the bottom of the side block and is inserted into the inner cavity of the positioning groove, the positioning rod is movably connected with the bottom shell and the side block, a second spring is sleeved on the outer side of the positioning rod, and two ends of the second spring are fixedly connected with the stop block and the inner wall of the bottom shell respectively.

Preferably, two the spout has all been seted up to the roof bottom, spout inner chamber swing joint has the slider, two slider fixed connection is respectively close to left and right sides department at the protecting crust top.

Preferably, the top parts of the two top plates are fixedly connected with handles.

Preferably, the inner walls of the two arc-shaped blocks are fixedly connected with non-slip mats.

Preferably, a lighting lamp is arranged on the left side of the inner wall of the protective shell close to the top.

Preferably, the two backing plates are arranged in a left-right symmetrical mode by taking the central axis of the protective shell as a symmetrical axis.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with the protective shell, the top plate, the handle and other parts which are used together, so that the utility model can protect the terminal body when the terminal body is idle, and avoid being damaged by external impact;

2. the utility model discloses a cooperation that is provided with between a series of parts such as annular slab, arc piece and slipmat is used, makes the utility model discloses an elasticity of first spring replaces the bolt to carry out the centre gripping location operation to the cable, avoids causing the extrusion damage to the cable skin.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the front view structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a protective shell; 2. a base plate; 3. a terminal body; 4. a support plate; 5. an annular plate; 6. an illuminating lamp; 7. a top plate; 8. a handle; 9. a chute; 10. a slider; 11. a circular tube; 12. a first spring; 13. a push block; 14. a push rod; 15. an arc-shaped block; 16. a non-slip mat; 17. a U-shaped block; 18. a side block; 19. a side groove; 20. positioning a groove; 21. positioning a rod; 22. a bottom case; 23. a stopper; 24. a second spring; 25. and a bottom block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a terminal for a cable partial discharge test comprises a protective shell 1, wherein the top of the protective shell 1 is provided with an opening, the left side and the right side of the inner wall of the protective shell 1 are fixedly connected with backing plates 2 close to the bottom, the two backing plates 2 are symmetrically arranged in a left-right manner by taking the central axis of the protective shell 1 as a symmetry axis, the top parts of the two backing plates 2 are jointly installed with a terminal body 3, the left side and the right side of the terminal body 3 are fixedly connected with supporting plates 4, the top parts of the two supporting plates 4 are jointly and fixedly connected with an annular plate 5, the left side and the right side of the inner wall of the annular plate 5 are fixedly connected with circular tubes 11, the inner cavity of the circular tube 11 is provided with a first spring 12, one end of the first spring 12 is fixedly connected with the inner wall of the annular plate 5, the other end of the first spring 12 is fixedly connected with a push block 13, one end of the push block 13 far away from the first spring 12 is fixedly connected with a push rod 14, one end of the push rod 14 far away from the push block 13 is fixedly connected with an arc block 15, the inner walls of the two arc blocks 15 are fixedly connected with anti-skid pads 16, through the arrangement, the friction force between the arc-shaped blocks 15 and the cable is increased, and the top of the protective shell 1 is movably connected with two top plates 7;

the bottom parts of the two top plates 7 are respectively provided with a sliding chute 9, the inner cavity of the sliding chute 9 is movably connected with a sliding block 10, the two sliding blocks 10 are respectively and fixedly connected to the positions, close to the left side and the right side, of the top part of the protective shell 1, the top plates 7 are positioned through the arrangement, the two top plates 7 are arranged in the left-right direction, the top parts of the two top plates 7 are respectively and fixedly connected with a handle 8, the top plates 7 are convenient to pull through the arrangement, the illuminating lamp 6 is installed on the position, close to the top part, of the left side of the inner wall of the protective shell 1, a worker can conveniently observe the working condition in the protective shell 1 through the arrangement, and the positioning mechanisms are arranged on the sides, far away from the two top plates 7;

the positioning mechanism comprises a side block 18, the side block 18 is fixedly connected with the side wall of the protective shell 1, a side groove 19 is formed in one side of the side block 18, which is far away from the protective shell 1, a U-shaped block 17 is fixedly connected with the side wall of the top plate 7, one side of the U-shaped block 17, which is far away from the top plate 7, extends into the inner cavity of the side groove 19, a positioning groove 20 is formed in the bottom of the U-shaped block 17, a bottom shell 22 is fixedly connected with the bottom of the bottom shell 22, a stop block 23 is arranged at the bottom of the bottom shell 22, a positioning rod 21 is fixedly connected with the top of the bottom shell 25, the top end of the positioning rod 21 penetrates through the bottom shell 22, the stop block 23 and the bottom of the side block 18 and is inserted into the inner cavity of the positioning groove 20, the positioning rod 21 is movably connected with the bottom shell 22 and the side block 18, a second spring 24 is sleeved outside the positioning rod 21, two ends of the second spring 24 are respectively fixedly connected with the stop block 23 and the inner wall of the bottom shell 22, the top plate 7 is positioned through the positioning mechanism, and the unclosed top of the protective shell 1 caused by movement is avoided, making the terminal body 3 vulnerable to impact damage.

The working principle is as follows: when the utility model is used, the bottom block 25 at the left and right sides is pulled, so that the bottom block 25 drives the positioning rod 21 to be drawn out from the positioning groove 20, meanwhile, the positioning rod 21 drives the stop block 23 to compress the second spring 24, at the moment, the two top plates 7 can be respectively moved towards two sides through the handle 8, so that the opening at the top of the protective shell 1 is not blocked, at the moment, a worker can pull the two arc blocks 15, so that the arc blocks 15 drive the push block 13 on the push rod 14 to move, the push block 13 compresses the first spring 12, then one end of a cable needing a discharge test passes through the two arc blocks 15 and is inserted into the terminal body 3 to be contacted with the internal electrode, and simultaneously the arc blocks 15 are released, so that the arc blocks 15 are reset under the action of the first spring 12, the cable is clamped and positioned through the reset of the two arc blocks 15, through the setting of the non-slip mat 16, the friction force between the cable and the arc blocks 15 is increased, make the centre gripping more stable, avoid arc piece 15 and the friction of the cable outside simultaneously, lead to the outer damage of cable, at the unable clear 1 inside during operation of observation protecting crust of staff, accessible power drive light 6, make 1 inside bright of protecting crust, the going on of the follow-up work of being convenient for, test through terminal body 3, after the experiment, can repeat above-mentioned operation and take out the cable, and reset parts such as roof 7, avoid terminal body 3 to expose and place in the external world, receive external striking and take place to damage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a terminal for cable partial discharge test, includes protecting crust (1), its characterized in that: the top of the protective shell (1) is arranged in an opening manner, the left side and the right side of the inner wall of the protective shell (1) are close to the bottom and are fixedly connected with backing plates (2), two terminal bodies (3) are jointly installed on the tops of the backing plates (2), the left side and the right side of each terminal body (3) are fixedly connected with support plates (4), the tops of the two support plates (4) are fixedly connected with a ring plate (5), the left side and the right side of the inner wall of the ring plate (5) are fixedly connected with a circular tube (11), a first spring (12) is arranged in the inner cavity of the circular tube (11), one end of the first spring (12) is fixedly connected with the inner wall of the ring plate (5), the other end of the first spring (12) is fixedly connected with a push block (13), one end of the push block (13) far away from the first spring (12) is fixedly connected with a push rod (14), one end of the push rod (14) far away from the push block (13) is fixedly connected with an arc-shaped block (15), protecting crust (1) top swing joint has two roof (7), two roof (7) are for controlling the setting, and two roof (7) keep away from one side mutually and all are equipped with positioning mechanism.

2. The terminal for cable partial discharge test according to claim 1, wherein: the positioning mechanism comprises a side block (18), the side block (18) is fixedly connected with the side wall of the protective shell (1), a side groove (19) is formed in one side, away from the protective shell (1), of the side block (18), a U-shaped block (17) is fixedly connected with the side wall of the top plate (7), one side, away from the top plate (7), of the U-shaped block (17) extends to the inner cavity of the side groove (19), a positioning groove (20) is formed in the bottom of the U-shaped block (17), a bottom shell (22) is fixedly connected with the bottom of the side block (18), a stop block (23) is arranged in the inner cavity of the bottom shell (22), a bottom block (25) is arranged at the bottom of the bottom shell (22), a positioning rod (21) is fixedly connected with the top of the bottom block (25), the top end of the positioning rod (21) penetrates through the bottom of the bottom shell (22), the stop block (23) and the bottom of the side block (18) and is inserted into the inner cavity of the positioning groove (20), and the positioning rod (21) is movably connected with the bottom shell (22) and the side block (18), and a second spring (24) is sleeved on the outer side of the positioning rod (21), and two ends of the second spring (24) are respectively fixedly connected with the stop block (23) and the inner wall of the bottom shell (22).

3. The terminal for cable partial discharge test according to claim 1, wherein: two spout (9) have all been seted up to roof (7) bottom, spout (9) inner chamber swing joint has slider (10), two slider (10) fixed connection is close to left and right sides department respectively at protecting crust (1) top.

4. The terminal for cable partial discharge test according to claim 1, wherein: two roof (7) top all fixedly connected with handle (8).

5. The terminal for cable partial discharge test according to claim 1, wherein: the inner walls of the two arc-shaped blocks (15) are fixedly connected with non-slip mats (16).

6. The terminal for cable partial discharge test according to claim 1, wherein: an illuminating lamp (6) is installed on the left side of the inner wall of the protective shell (1) close to the top.

7. The terminal for cable partial discharge test according to claim 1, wherein: the two backing plates (2) are arranged in a bilateral symmetry mode by taking the central axis of the protective shell (1) as a symmetry axis.