CN212008800U

CN212008800U - Power grid fault positioning device

Info

Publication number: CN212008800U
Application number: CN202020547335.6U
Authority: CN
Inventors: 罗逍
Original assignee: Chongqing Tuofeng Electric Power Engineering Technology Co ltd
Current assignee: Chongqing Tuofeng Electric Power Engineering Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-24
Anticipated expiration: 2030-04-15

Abstract

The utility model relates to a grid fault positioning device, including main part, card arm and runner assembly, the runner assembly sets up in the main part, and the card arm is connected with the runner assembly, the runner assembly includes pivot, torsional spring and position sleeve, the pivot sets up in the mounting hole of main part, the tip of card arm has the through-hole, and the tip of card arm passes through the through-hole cover to be established in the pivot, the position sleeve sets up at the pivot both ends, the torsional spring cover is established in the pivot, and torsional spring one end is connected with the main part, and the other end is connected with the card arm, the main part is equipped with the constant head tank, and the constant head tank sets up with the card arm relatively, and the card arm extends to the main part below, the constant head tank. The utility model discloses a grid fault locating device can be convenient for assemble and dismantle, and the card arm and torsional spring separation setting are convenient for the card arm to change, promote the spare part commonality between the grid fault locating device of different models to reduce cost; the stability and the convenience of installation can be promoted.

Description

Power grid fault positioning device

Technical Field

The utility model relates to an electric power system detection device, in particular to electric wire netting fault locating device.

Background

The power grid fault positioning device is used for identifying the fault position of a power grid, and can give a prompt when the power grid fails. The power grid fault positioning device is installed on the cable, so that the current of the cable can be induced, and the current detection is realized. The existing installation method is generally to clamp the device on the cable by clamping arms. However, the existing clamping arm is usually directly connected with the clamping arm by a spring to form an integrated structure, the clamping arm cannot be adjusted according to the size of the device, and the clamping arm needs to be additionally designed, so that parts between different types of power grid fault positioning devices cannot be universal, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve prior art's problem, provide one kind can be convenient for card arm installation and dismantlement, the electric wire netting fault locating device spare part of convenient different models is general, promotes the electric wire netting fault locating device of installation steadiness. The specific technical scheme is as follows:

the utility model provides a grid fault positioner, includes the main part, card arm and runner assembly, the runner assembly sets up in the main part, and the card arm is connected with the runner assembly, the runner assembly includes pivot, torsional spring and position sleeve, the pivot sets up in the mounting hole of main part, the tip of card arm has the through-hole, and the tip of card arm passes through the through-hole cover to be established in the pivot, the position sleeve sets up at the pivot both ends, the torsional spring cover is established in the pivot, and torsional spring one end is connected with the main part, and the other end is connected with the card arm, the main part is equipped with the constant head tank, and the constant head tank sets up with the card arm relatively, and the card arm extends to the main part below, the.

The following is the attached technical proposal of the utility model.

Preferably, the clamp arm comprises an arm part and a connecting part, the two arm parts are arranged on two sides of the connecting part, and the arm parts are connected with the rotating shaft.

Preferably, the positioning groove comprises a first positioning surface and a second positioning surface, and an included angle is formed between the first positioning surface and the second positioning surface.

Preferably, the arm portion has a curved portion, and the curved portion is disposed opposite to the included angle.

Preferably, the back surface of the main body is provided with an annular portion.

Preferably, the extension plate comprises an inclined plate and a flat plate, and two ends of the inclined plate are respectively connected with the main body and the flat plate.

Preferably, the positioning sleeve is in threaded connection with the rotating shaft.

The technical effects of the utility model: the utility model discloses a grid fault locating device can be convenient for assemble and dismantle, and the card arm and torsional spring separation setting are convenient for the card arm to change, promote the spare part commonality between the grid fault locating device of different models to reduce cost; in addition, the stability and convenience of installation can be improved.

Drawings

Fig. 1 is a schematic diagram of a power grid fault locating device according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the power grid fault location device according to the embodiment of the present invention during installation.

Fig. 3 is a schematic diagram of the power grid fault location device according to the embodiment of the present invention after installation.

Fig. 4 is a top view of a grid fault locating device according to an embodiment of the present invention.

Fig. 5 is a sectional view of a positioning sleeve according to an embodiment of the present invention.

Fig. 6 is a schematic view of a positioning sleeve according to an embodiment of the present invention.

Detailed Description

The essential features and advantages of the invention will be further explained below with reference to examples, but the invention is not limited to the embodiments listed.

As shown in fig. 1 to 6, a grid fault location device of the present embodiment includes a main body 1, a clamp arm 2 and a rotating assembly 3, where the rotating assembly 3 is disposed on the main body 1, and the clamp arm 2 is connected to the rotating assembly 3. Through setting up rotating assembly 3 for card arm 2 can rotate relative to the main part, thereby makes card arm 2 can establish cable 10 card between main part 1 and card arm 2. Rotating assembly 3 includes pivot 31, torsional spring 32 and position sleeve 33, pivot 31 sets up on the support 11 of main part 1, the tip of card arm 2 has through-hole 21, and the tip of card arm 2 is established in pivot 31 through-hole 21 cover, position sleeve 33 sets up at pivot 31 both ends to make card arm 2 can install in pivot 31, and carry out spacingly to the card arm through position sleeve 33. Torsional spring 32 cover is established on pivot 31, and torsional spring 32 one end is connected with main part 1, and the other end is connected with card arm 2, through setting up the torsional spring for card arm can receive the elasticity of torsional spring when rotating, makes it can press from both sides tight cable 10. The main part 1 is equipped with constant head tank 12, and constant head tank 12 sets up with card arm 2 is relative, and card arm 2 extends to main part 1 below, constant head tank 12 lower extreme is equipped with extension board 13. The cable 10 is fixed between the positioning groove 12 and the clamping arm 2, so that the positioning between the power grid fault positioning device and the cable is realized; through setting up extension board 13, can avoid cable 10 to deviate from, can play the guide effect when cable and grid fault locating device separation simultaneously. Through setting up position sleeve 33, can make position sleeve 33 and pivot 31 locking or separation to fixing clip arm 2 makes things convenient for the dismantlement and the installation of runner assembly, is convenient for maintain and replace spare part.

As shown in fig. 1 to 3, when the power grid fault location device of the present embodiment is used, the power grid fault location device is placed on the cable 10, so that the cable is located between the clamp arm 2 and the bottom surface of the main body 1, the power grid fault location device is horizontally pulled leftwards, the clamp arm 2 is rotated, an opening 20 is formed between the clamp arm 2 and the extension plate 13, the cable enters between the clamp arm 2 and the location groove 12 through the opening 20, and the restoring force of the torsion spring 32 enables the clamp arm to compress the cable, so that the power grid fault location device is fixed on the cable. When the power grid fault positioning device needs to be disassembled, the power grid fault positioning device is pulled, so that the clamping arm rotates, and the cable is separated from the extension plate.

In this embodiment, the card arm 2 includes the arm portion 22 and the connecting portion 23, the two arm portions 22 are disposed on both sides of the connecting portion 23, and the arm portion 22 is connected to the rotating shaft 31. Through above-mentioned technical scheme, can make the rotation holding balance of card arm 2, and compress tightly the cable through two arms, it is fixed more firm.

In this embodiment, the positioning slot 12 includes a first positioning surface 121 and a second positioning surface 122, and an included angle a is formed between the first positioning surface 121 and the second positioning surface 122. Through the technical scheme, the cable 10 is positioned in the positioning groove, and is limited by the upper side and the lower side of the first positioning surface and the second positioning surface, so that the cable is more stable; meanwhile, the positioning device can be suitable for limiting positioning of different sizes.

In this embodiment, the arm 22 has a bending portion 221, and the bending portion 221 is disposed opposite to the included angle a, so that the arm 22 can be folded inward to prevent the cable from coming off.

In this embodiment, the back of the main body 1 is provided with the annular part 4, so that the annular part 4 can be hooked by the draw hook 51 on the tool 5, the main body 1 can be conveniently pulled, and remote operation and installation are realized.

In this embodiment, the extension plate 13 includes an inclined plate 131 and a flat plate 132, and two ends of the inclined plate 131 are respectively connected to the main body 1 and the flat plate 132, so that when the power grid fault location device is disassembled, the cable can smoothly come off from the opening along the inclined plate and the flat plate.

In this embodiment, the positioning sleeve 33 and the rotating shaft 31 are connected through threads, so that the positioning sleeve 33 and the rotating shaft 31 can be conveniently connected and fastened, specifically, external threads are arranged at two ends of the rotating shaft, the positioning sleeve 33 is provided with internal threads 330, and the positioning sleeve 33 can be a nut. The positioning sleeve 33 of the present embodiment includes a first rotating portion 331, a second rotating portion 332 and an elastic member 333, and one ends of the first rotating portion 331 and the second rotating portion 332 are pivotally connected to enable the first and second rotating portions to rotate relative to each other, thereby opening or closing the notch portion 334. The elastic member 333 is caught at outer surfaces of the first and second rotating

portions

331 and 332 so that the notch portion 334 is closed by an elastic force. Through the technical scheme, the positioning sleeve can be quickly sleeved on the rotating shaft without continuously rotating the positioning sleeve to rotate to a fixed position. When the fixing sleeve is used, the convex part on the external tool is clamped with the circular grooves 335 on the first rotating part and the second rotating part, the external tool 30 is operated to open the first rotating part and the second rotating part to form the notch part, then the notch part is clamped into the rotating shaft, the external tool is removed, and the elastic part enables the first rotating part and the second rotating part to be closed. Through above-mentioned technical scheme, can make position sleeve quick assembly disassembly.

The power grid fault positioning device can be assembled and disassembled conveniently, the clamping arm and the torsion spring are arranged separately, the clamping arm is convenient to replace, and the universality of parts among power grid fault positioning devices of different models is improved, so that the cost is reduced; in addition, the stability and convenience of installation can be improved.

It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a power grid fault positioning device, a serial communication port, includes the main part, card arm and runner assembly, the runner assembly sets up in the main part, and the card arm is connected with the runner assembly, the runner assembly includes pivot, torsional spring and position sleeve, the pivot sets up on the support of main part, the tip of card arm has the through-hole, and the tip of card arm passes through the through-hole cover to be established in the pivot, the position sleeve sets up at the pivot both ends, the torsional spring cover is established in the pivot, and torsional spring one end is connected with the main part, and the other end is connected with the card arm, the main part is equipped with the constant head tank, and the constant head tank sets up with the card arm relatively, and the card arm extends to the main part.

2. The grid fault locating device according to claim 1, wherein the clamp arm comprises an arm portion and a connecting portion, two arm portions are arranged on two sides of the connecting portion, and the arm portion is connected with the rotating shaft.

3. The grid fault locating device of claim 2, wherein the locating groove comprises a first locating surface and a second locating surface, and an included angle is formed between the first locating surface and the second locating surface.

4. The grid fault locating device of claim 3, wherein the arm portion has a bend, the bend being disposed opposite the included angle.

5. The grid fault locating device of claim 4, wherein a ring-shaped portion is provided on a back surface of the main body.

6. The grid fault locating device according to claim 5, wherein the extension plate comprises a sloping plate and a flat plate, and the two ends of the sloping plate are respectively connected with the main body and the flat plate.

7. The grid fault locating device according to claim 6, wherein the locating sleeve is in threaded connection with the rotating shaft.