CN211785880U

CN211785880U - Power cable fault finding and removing device

Info

Publication number: CN211785880U
Application number: CN202020212293.0U
Authority: CN
Inventors: 王太山; 张艳艳; 王刚; 骈华帅; 宋斌; 曹帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-27
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a power cable troubleshooting removing device in electric power construction field, which comprises a housin, detection device and signal coupler, the casing both sides are provided with the heat dissipation window, casing one side fixedly connected with grips the mechanism, casing opposite side fixedly connected with screw post, screw post one end is equipped with spacing dish with casing contact surface outside cover, the first splint of screw post other end fixedly connected with, the screw post surface transversely is provided with the spout, one side screw thread cover that the screw post outside is close to the casing is equipped with the thread bush, one side activity cover that the screw post outside is close to first splint is equipped with the ring cover, ring cover upper end fixedly connected with second splint. The utility model discloses a casing and two sets of splint are installed the detection device and the signal coupler who detect respectively and are got, and the staff only needs on the one hand to grip the handle and drive whole and remove, and the detection device is adjusted on the one hand and can be operated, need not to grip the coupler and closely be close to the cable, have good safe effect.

Description

Power cable fault finding and removing device

Technical Field

The utility model relates to an electric power construction field specifically is power cable troubleshooting removing device.

Background

Through the reform and the opening of more than twenty years, the economy of China is greatly developed, the power industry obtains the achievement of drawing attention, and the national power shortage lasting for many years is basically relieved. By the end of 2000 years, the installed capacity of the national power generation reaches 3.19 billion kW, the annual power generation amount reaches 1.36 trillion kWh, and the installed capacity of the power generation and the annual power generation amount are second in the world.

A special removing device is needed during electric power removal, and a Chinese patent with the application number of CN201820812659.0 discloses a cable fault detection positioning device which comprises a high-voltage pulse generator, a signal coupler and a sensitive voltmeter; the high-voltage pulse generator is used for outputting a high-voltage pulse signal to the fault cable line so as to generate fault current; the signal coupler is sleeved on the fault cable and used for sensing fault current, converting the sensed fault current signal into a voltage signal and transmitting the voltage signal to the sensitive voltmeter; the cable fault detection positioning device converts current signals collected by the signal coupler into voltage signals at the front and rear positions of a fault point, sends the voltage signals to the sensitive voltmeter, and can lock the interval of the fault point by reading the data of the sensitive voltmeter, thereby helping testers to efficiently and accurately find the position of the fixed point and effectively shortening the fault finding time.

However, the conventional removing device requires manual holding of the detecting device with one hand and moving of the signal coupler with the other hand, which is sleeved outside the cable, and thus has a certain risk. Therefore, the utility model designs a power cable troubleshooting remove device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power cable troubleshooting removing device to the problem that the above-mentioned background of the most probable solution provided.

In order to achieve the above object, the utility model provides a following technical scheme: power cable troubleshooting removing device, including casing, detection device and signal coupler, detection device comprises high-voltage pulse generator and sensitive voltmeter, and detection device openly is provided with display screen and switch, the casing both sides are provided with the heat dissipation window, casing one side fixedly connected with gripping mechanism, casing opposite side fixedly connected with screw thread post, screw thread post one end is equipped with spacing dish with casing contact surface outside cover, screw thread post other end fixedly connected with first splint, the screw thread post surface transversely is provided with the spout, one side screw thread cover that the screw thread post outside is close to the casing is equipped with the thread bush, one side activity cover that the screw thread post outside is close to first splint is equipped with the ring cover, ring cover upper end fixedly connected with second splint, and signal coupler sets up between first splint, second splint.

Preferably, the upper end of the shell is provided with a placing groove matched with the size of the detection device, the detection device is arranged in the placing groove, and the side wall of the placing groove is arranged in the limit matching between the rubber shifting piece and the outer side of the detection device.

Preferably, the heat dissipation window includes a grille disposed outside the housing, the grille is communicated with the placement groove, and an inner side of the grille is disposed in the exhaust fan.

Preferably, the holding mechanism comprises a threaded rod fixedly connected with the outer side of the shell, the threaded rod is of a hollow structure, a handle is sleeved on the outer side of the threaded rod, and a rubber friction pad is sleeved on the outer side of the handle.

Preferably, the inner wall of the ring sleeve is provided with a sliding block which is in sliding fit with the sliding groove, the inner side end of the sliding block is provided with an arc-shaped groove, balls are arranged in the arc-shaped groove in a rolling mode, and the diameter of the opening of the arc-shaped groove is smaller than that of the balls.

Preferably, the inner side surfaces of the first clamping plate and the second clamping plate are respectively provided with an insulating rubber pad which is in contact fit with the signal coupler.

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

the utility model discloses a detection device and the signal coupler that detect are installed respectively to casing and two sets of splint and are got, and the staff only need one hand to grip the handle and drive whole and remove, and the detection device can be operated in one hand regulation, need not to grip the coupler and closely be close to the cable, have good safe effect; in addition, the detection device is provided with a simple rubber shifting sheet which is clamped and installed to be matched with a heat dissipation structure to dissipate heat, so that the detection device is simple to disassemble and assemble and has better practical effect; the signal coupler is clamped by simple thread driving extrusion, so that the signal coupler is suitable for couplers of different sizes, has a good insulation effect and is better in safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the housing of FIG. 1 according to the present invention;

fig. 3 is a side view of the ferrule structure shown in fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 101-placement groove, 102-rubber shifting piece, 2-detection device, 201-display screen, 202-switch, 3-heat dissipation window, 301-grid, 302-exhaust fan, 4-holding mechanism, 401-threaded rod, 402-handle, 5-threaded column, 6-limiting disc, 7-first clamping plate, 8-sliding groove, 9-threaded sleeve, 10-annular sleeve, 1001-sliding block, 1002-arc groove, 1003-rolling ball, 11-second clamping plate and 12-signal coupler.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a power cable troubleshooting device includes a housing 1, a detection device 2 and a signal coupler 12, the detection device 2 includes a high voltage pulse generator and a sensitive voltmeter, the front of the detection device 2 is provided with a display 201 and a switch 202, two sides of the housing 1 are provided with heat dissipation windows 3, one side of the housing 1 is fixedly connected with a holding mechanism 4, the other side of the housing 1 is fixedly connected with a threaded post 5, a limiting disc 6 is sleeved outside a contact surface of one end of the threaded post 5 and the housing 1, the other end of the threaded post 5 is fixedly connected with a first clamp plate 7, a sliding slot 8 is transversely arranged on the surface of the threaded post 5, a threaded sleeve 9 is sleeved on one side of the outer side of the threaded post 5 close to the housing 1, a ring sleeve 10 is movably sleeved on one side of the outer side of the threaded post 5 close to the first clamp plate 7, a second clamp, Between the second clamping plates 11.

The upper end of the shell 1 is provided with a placing groove 101 matched with the detection device 2 in size, the detection device 2 is arranged in the placing groove 101, and the side wall of the placing groove 101 is arranged on the rubber shifting piece 102 and is in limit fit with the outer side of the detection device 2; the rubber shifting sheet 102 on the outer side of the shell 1 is pulled out in advance to place the detection device 2 in the placing groove 101 on the front face of the shell 1, and then the loose-hand rubber shifting sheet 102 is used for clamping and limiting the detection device 2 under the elastic restoring force.

Wherein, the heat dissipation window 3 includes the grid 301 that the casing 1 outside set up, and the grid 301 communicates the standing groove 101, and the inboard of grid 301 sets up in the extraction fan 302, when using for a long time, can dispel the heat to the detection device 2 in the standing groove 101 through extraction fan 302 cooperation grid 301.

Wherein, the mechanism 4 that grips includes the threaded rod 401 in the fixed connection casing 1 outside, and threaded rod 401 is hollow structure, reduces holistic use weight that carries, is convenient for grip, and threaded sleeve in the outside of threaded rod 401 is equipped with handle 402, and the cover is equipped with rubber friction pad in the handle 402 outside, increases the friction stability who grips.

Wherein, the inner wall of ring cover 10 is provided with the slider 1001 with the mutual sliding fit of spout 8, and the medial extremity of slider 1001 is provided with arc groove 1002, and the roll is provided with ball 1003 in the arc groove 1002, and ball 1003 and the contact of spout 8 reduce gliding frictional force, the quick slip of being convenient for, and arc groove 1002 notch diameter is less than ball 1003 diameter, can prevent effectively that ball 1003 breaks away from the arc groove 1002.

Insulating rubber pads are arranged on the inner side surfaces of the first clamping plate 7 and the second clamping plate 11 and are in contact fit with the signal coupler 12; the friction force is increased, and meanwhile, the insulation protection effect is good.

The specific application of this embodiment is: the utility model discloses dial the rubber plectrum 102 in the 1 outside of casing in advance and place detection device 2 in the positive standing groove 101 of casing 1, it is spacing to carry out the joint to detection device 2 under elastic restoring force with the rubber plectrum 102 of pine hand afterwards. The bottom of the signal coupler 12 is placed between the first clamping plate 7 and the second clamping plate 11, the sliding ring sleeve 10 transversely slides along the sliding groove 8 so as to push the second clamping plate 11 to move and match the first clamping plate 7 to clamp and fix the signal coupler 12, and rubber pads on the inner walls of the first clamping plate 7 and the second clamping plate 11 are in contact with the signal coupler 12, so that the friction force is increased, and meanwhile, a good insulation protection effect is achieved. When the cable is removed, a worker sleeves the signal coupler 12 on the cable, the wrapping layer on the outer side of the holding handle 402 on one hand holds the whole cable, the detection device is controlled by the switch 202 on the detection device 2 on the other hand to detect, the current signal change in the detection process is displayed through the display screen 201, (the detection mode refers to a comparison file, and the detection mode is not repeated in the scheme because the innovation point is not), and when the detection is carried out, the worker can rotate the handle 402 in a threaded mode to adjust the length of the holding mechanism 4.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Power cable troubleshooting device, including casing (1), detection device (2) and signal coupler (12), detection device (2) comprise high-voltage pulse generator and sensitive voltmeter, and detection device (2) openly are provided with display screen (201) and switch (202), its characterized in that: the two sides of the shell (1) are provided with heat dissipation windows (3), one side of the shell (1) is fixedly connected with a holding mechanism (4), the other side of the shell (1) is fixedly connected with a threaded column (5), a limiting disc (6) is sleeved outside the contact surface of one end of the threaded column (5) and the shell (1), the other end of the threaded column (5) is fixedly connected with a first clamping plate (7), the surface of the threaded column (5) is transversely provided with a sliding chute (8), a thread sleeve (9) is sleeved on one side of the outer side of the threaded column (5) close to the shell (1) through threads, a ring sleeve (10) is movably sleeved on one side of the outer side of the threaded column (5) close to the first clamping plate (7), a second clamping plate (11) is fixedly connected to the upper end of the ring sleeve (10), and the signal coupler (12) is arranged between the first clamping plate (7) and the second clamping plate (11).

2. A power cable troubleshooting device in accordance with claim 1 wherein: the device is characterized in that a placing groove (101) matched with the detection device (2) in size is formed in the upper end of the shell (1), the detection device (2) is arranged in the placing groove (101), and the side wall of the placing groove (101) is arranged on the outer side of the rubber shifting piece (102) and the detection device (2) in a limiting fit mode.

3. A power cable troubleshooting device in accordance with claim 2 wherein: the heat dissipation window (3) comprises a grating (301) arranged on the outer side of the shell (1), the grating (301) is communicated with the placing groove (101), and the inner side of the grating (301) is arranged on the extraction fan (302).

4. A power cable troubleshooting device in accordance with claim 1 wherein: the utility model discloses a novel rubber friction pad, including the threaded rod (401) in the fixed connection casing (1) outside gripping mechanism (4), threaded rod (401) are hollow structure, and the outside thread bush of threaded rod (401) is equipped with handle (402), handle (402) outside cover is equipped with the rubber friction pad.

5. A power cable troubleshooting device in accordance with claim 1 wherein: the inner wall of the ring sleeve (10) is provided with a sliding block (1001) which is in sliding fit with the sliding groove (8), the inner side end of the sliding block (1001) is provided with an arc-shaped groove (1002), a ball (1003) is arranged in the arc-shaped groove (1002) in a rolling mode, and the diameter of the opening of the arc-shaped groove (1002) is smaller than that of the ball (1003).

6. A power cable troubleshooting device in accordance with claim 1 wherein: and insulating rubber pads are arranged on the inner side surfaces of the first clamping plate (7) and the second clamping plate (11) and are in contact fit with the signal coupler (12).