CN220525856U

CN220525856U - Fault positioning instrument convenient to install fast

Info

Publication number: CN220525856U
Application number: CN202320752148.5U
Authority: CN
Inventors: 杨昊; 陈子元; 王哲伟; 付焱燚; 黄文达; 杨铭
Original assignee: Training Center of State Grid Hunan Electric Power Co Ltd
Current assignee: Training Center of State Grid Hunan Electric Power Co Ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2024-02-23
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a fault locator convenient for quick installation, which relates to the technical field of power grid wire fault locators and comprises the following components: the instrument comprises a box body, an instrument main body, a voltmeter, an electric wire interface and a connecting block, wherein the instrument main body is arranged in the box body, the voltmeter and the electric wire interface are arranged on the surface of the instrument main body, the fault locator convenient to install rapidly can be used for accurately measuring the accurate position of a fault point, a tool is required to be used for disassembling and maintaining the instrument main body when the instrument main body breaks down, and the instrument main body is also required to be used for installation after maintenance is finished.

Description

Fault positioning instrument convenient to install fast

Technical Field

The utility model relates to the technical field of power grid wire fault locators, in particular to a fault locator convenient to install quickly.

Background

The power grid wires are usually referred to as power cables, which are cables for transmitting and distributing electric energy, and are commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission under seawater crossing the river, and when the cable lines are abnormal, diagnosis and inspection are required to be performed through a fault locator, which is a comprehensive cable fault detection instrument. The fault locator in the prior art can test faults such as high-resistance flashover faults, high-low-resistance grounding, short circuit, cable disconnection, poor contact and the like of the cable

The cable fault locator adopts various detection modes and adopts the most advanced electronic technical results of the current generation. The intelligent electronic device adopts a computer technology and a microelectronic technology, and has the characteristics of high intelligent degree, complete functions, wide application range, accurate test, convenient use and the like. A typical cable fault locator generally includes a housing and an instrument body positioned within the housing.

In the use process of the cable fault locator, the situation of abnormality of the instrument main body can sometimes occur. In general, if a small trouble occurs, a worker usually removes the instrument body at a work site and then performs maintenance. The existing cable fault locator has a general integral structure of an instrument main body. The edge portion of the instrument body is typically secured within the housing by a plurality of screws. Therefore, in the disassembly, it is generally necessary to remove the screw from the instrument body by screwing the screw off the instrument body with a tool such as a screwdriver, and then take out the instrument body for maintenance. After the instrument main body is maintained, the instrument main body is put back to the original position, and screws are screwed down again, so that the working efficiency is low, and time and labor are wasted.

Disclosure of Invention

The utility model aims to provide a fault locator convenient to install quickly, so that an instrument main body can be detached from a box body quickly for maintenance, and the working efficiency is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions.

The utility model provides a fault locator convenient to install quickly, which comprises a box body 1 and an instrument main body 2.

The instrument main body 2 is arranged in the box body 1, and two ends of the instrument main body 2 are respectively clamped with the box body 1 through a connecting structure, so that the instrument main body 2 is fixed in the box body 1;

the connecting structure comprises a limit groove 6, a clamping block 8, a spring 7 and a connecting block 5, wherein the limit groove 6, the clamping block 8 and the spring 7 are arranged on the box body 1, and the connecting block 5 is arranged on the instrument main body 2;

the limiting groove 6 comprises a first groove body 61 and a second groove body 62, and the first groove body and the second groove body are communicated with each other; the spring is arranged in a first groove body of the limiting groove, and the clamping block 8 penetrates through the first groove body and the second groove body and can linearly move in the first groove body and the second groove body; the first end of the clamping block 8 extends out of the first groove body, and the second end of the clamping block 8 is inserted into the second groove body; one end of the spring 7 is connected with the inner wall of the first groove body, and the other end of the spring 7 is abutted against the part of the clamping block 8 in the first groove body;

the first end of the connecting block 5 is fixed on the instrument main body 2, and the second end of the connecting block 5 is inserted into the second groove body; the connecting block 5 is provided with a clamping groove 51, when the second end of the clamping block 8 is inserted into the second groove body and the second end of the connecting block 5 is inserted into the second groove body, the second end of the clamping block 8 is just inserted into the clamping groove 51, so that the clamping block 8 clamps the connecting block 5 into the second groove body.

The fault locator convenient to install quickly further comprises the following structural features.

Preferably, the surface of the instrument main body 2 is provided with a voltmeter 3 and a wire interface 4.

Preferably, the clamping block 8 is an L-shaped clamping block.

Preferably, a protective cover 9 is provided on the outer surface of the case at a position where the first end of the latch 8 protrudes out of the first groove.

Preferably, the protective cover 9 is matched with the butt joint groove of the outer surface of the box body through the butt joint block 10, so that the protective cover 9 can be movably connected to the box body.

Preferably, the docking block 10 is a sphere, and the docking slot is a spherical slot, so that the docking block 10 and the docking slot form a spherical pair.

Preferably, the case 1 is provided with a fixing plate 11; the fixed plate 11 is provided with a moving wheel 12, and the box body is convenient to move through the moving wheel 12.

Preferably, the fixing plate 11 is inserted with a pull rod 13; one end of the pull rod 13 is inserted into the fixing plate 11, and the other end of the pull rod 13 extends out of the box body from one side of the box body away from the fixing plate 11.

Preferably, a plurality of positioning grooves 14 are formed in the pull rod 13.

Preferably, a fixed block 15 is fixed on the side of the case 1 away from the fixed plate 11, and a knob 16 is connected inside the fixed block 15 in a penetrating manner; the knob 16 is inserted into different positioning grooves 14 so that the length of the pull rod 13 can be fixed after being adjusted.

Compared with the prior art, the utility model has the beneficial effects that: this fault location appearance convenient to install fast, the accurate position of fault point can be used for accurate survey to the fault location appearance, and the instrument main part need use the instrument to dismantle the maintenance to the instrument main part when breaking down, and install also need use the instrument after maintaining, this mode is comparatively troublesome, the in-process that L shape fixture block removed can extrude the spring, can stimulate the instrument main part when the spring is extruded the shrink to appointed degree and remove, this mode can avoid the tired degree that the hand brought, alleviate the labour that personnel carried, the fault location appearance of being convenient for can light carry at the in-process of using.

1. The fault location appearance can be used for the accurate position of accurate survey fault point, and the instrument main part need use the instrument main part just can dismantle the maintenance when breaking down, and install also need use the instrument after the maintenance is accomplished, this mode is comparatively troublesome, L shape fixture block removes the in-process can extrude the spring, can pull the instrument main part when the spring is extruded the shrink to appointed degree and remove, the inside of spacing groove can be slided to the connecting block when the instrument main part is placed to the box inside, can loosen two sets of L shape fixture blocks this moment, can reset through the spring when L shape fixture block loosens, its tip can peg graft the inside of connecting block when L shape fixture block resets, promote the shield lid again and remove this moment, can drive the butt joint piece and remove when the shield lid removes the L shape fixture block tip outside, the shield lid can protect the L shape fixture block this moment, the fault location appearance of being convenient for can install the inside of box with the instrument main part through L shape fixture block fast in the in-process of using.

2. The fault locating instrument can reduce inevitable long-time power failure when difficultly seeking cable trouble, the instrument main part is installed in the inside of box generally, can be relatively tired when personnel carry for a long time, can pull the pull rod to remove for this reason, can rotate the fixed block when the pull rod slides the assigned position, can carry out thread tightening with the constant head tank when the fixed block rotates, stand the box again this moment, make movable wheel and ground contact, thereby personnel can promote the pull rod, make the box can slide subaerial, the tired degree that this mode can avoid the hand-held bringing, alleviate the labour that personnel carried, the fault locating instrument of being convenient for carries that the in-process that uses can be relaxed.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of the front view of the present utility model;

FIG. 3 is a schematic view showing the bottom cutaway structure of the fixing plate of the present utility model;

fig. 4 is a schematic view of a front view of an L-shaped clamping block according to the present utility model.

In the figure: 1. a case; 2. an instrument body; 3. a voltmeter; 4. a wire interface; 5. a connection block, a clamping groove 51; 6. the limiting groove 61, the first groove body 62 and the second groove body; 7. a spring; 8. an L-shaped clamping block; 9. a protective cover; 10. a butt joint block; 11. a fixing plate; 12. a moving wheel; 13. a pull rod; 14. a positioning groove; 15. a fixed block; 16. and (5) a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a fault locator which is convenient for quick installation, and comprises a box 1 and an instrument main body 2.

In specific implementation, the voltmeter 3 and the wire interface 4 are installed on the surface of the instrument main body 2.

In specific implementation, the clamping block 8 is an L-shaped clamping block.

In a specific implementation, a protective cover 9 is disposed on the outer surface of the box body at a position where the first end of the clamping block 8 extends out of the first groove body.

In specific implementation, the protective cover 9 is matched with the butt joint groove on the outer surface of the box body through the butt joint block 10, so that the protective cover 9 can be movably connected to the box body.

In specific implementation, the docking block 10 is a sphere, and the docking groove is a spherical groove, so that the docking block 10 and the docking groove form a spherical pair. In specific implementation, the groove body of the ball-shaped groove is made of soft materials with proper hardness, so that the butt joint block 10 can be conveniently pulled out or inserted from the butt joint groove.

In specific implementation, the box body 1 is provided with a fixing plate 11; the fixed plate 11 is provided with a moving wheel 12, and the box body is convenient to move through the moving wheel 12.

In specific implementation, the fixed plate 11 is inserted with a pull rod 13; one end of the pull rod 13 is inserted into the fixing plate 11, and the other end of the pull rod 13 extends out of the box body from one side of the box body away from the fixing plate 11.

In specific implementation, a plurality of positioning grooves 14 are formed in the pull rod 13.

In specific implementation, a fixed block 15 is fixed on one side of the box body 1 far away from the fixed plate 11, and a knob 16 is connected inside the fixed block 15 in a penetrating way; the knob 16 is inserted into different positioning grooves 14 so that the length of the pull rod 13 can be fixed after being adjusted.

Two connecting blocks 5 are located in the both sides of instrument main body 2, and limit groove 6 has been seted up to box 1 inner wall, and box 1 internal connection has spring 7, and spring 7 one end is connected with L shape fixture block 8, and the outside of box 1 is close to L shape fixture block 8 and is provided with protective cover 9, and protective cover 9 end fixing has butt joint piece 10, constitutes the block between butt joint piece 10 and the box 1 and connects, constitutes the grafting between L shape fixture block 8 and the connecting block 5 and connects. In particular, the instrument body 2 can be firmly fixed in the box body through the precise matching between the L-shaped clamping block 8 and the connecting block 5.

In the specific implementation, the fault locator can be used for accurately measuring the accurate position of a fault point, and is particularly suitable for testing power cables and communication cables with various types and different levels of voltage. The tool is needed to disassemble and maintain the instrument main body 2 when the instrument main body 2 fails, and tools such as a screwdriver are needed to be used for installation after the maintenance is completed, so that the mode is troublesome.

In the utility model, when the instrument main body 2 is required to be taken out for maintenance, the butt joint block 10 at one end of the protective cover 9 is pulled out of the butt joint groove, so that the L-shaped clamping block 8 is exposed.

Then, can draw two sets of L shape fixture blocks 8 at box both ends simultaneously and remove, L shape fixture block 8 removes the in-process can extrude spring 7. When the spring 7 is extruded and contracted to a specified degree, the L-shaped clamping block 8 is pulled out of the clamping groove 51 of the connecting block 5, and the L-shaped clamping block and the connecting block are disconnected, so that the instrument main body 2 can be taken out of the box body at the moment, and maintenance can be performed on site.

After the maintenance work is completed, when the instrument main body 2 is placed inside the case 1 again, the connection block 5 is inserted into the second groove 62 of the limit groove 6. At this time, the two groups of L-shaped clamping blocks 8 can be loosened, the L-shaped clamping blocks 8 can be reset through the springs 7 when being loosened, and the end parts of the L-shaped clamping blocks 8 can be inserted into the clamping grooves 51 of the connecting blocks 5 when being reset.

At this time, the protective cover 9 is pushed to move, and when the protective cover 9 moves, the butt joint block 10 can be driven to move, and the butt joint block 10 or the butt joint groove is preferably made of rubber. When the protective cover 9 moves to the outer side of the end part of the L-shaped clamping block 8, the butt joint block 10 can be extruded into the butt joint groove on the box body 1, at the moment, the protective cover 9 can protect the L-shaped clamping block 8, and the protective cover 9 can prevent the L-shaped clamping block 8 from being touched by mistake.

Referring to fig. 1, 2, 3 and 4, it can be seen that the fault locator can quickly mount the instrument main body 2 in the box 1 through the L-shaped clamping block 8 during use, so that the instrument main body 2 can be conveniently taken out from the box or mounted in the box.

Referring to fig. 1, 2 and 3, it can be seen that a fixing plate 11 is fixedly mounted at the bottom of the case 1, a movable wheel 12 is welded at the outer side of the fixing plate 11, a pull rod 13 is movably connected inside the fixing plate 11, a positioning slot 14 is formed inside the pull rod 13, a fixing block 15 is fixed at the outer side of the case 1, a knob 16 is connected inside the fixing block 15 in a penetrating manner, and two groups of movable wheels 12 are symmetrically arranged about the center of the case 1.

In specific implementation, the fault locator can reduce unavoidable long-time power failure when difficultly seeking cable faults, bring a lot of convenience to troubleshooting, normally, instrument main body 2 is installed in box 1, lead to box 1 weight heavier, people can be tired when carrying for a long time, can pull rod 13 to remove for this reason, can slide through fixed plate 11 when pull rod 13 removes, can rotate fixed block 15 when pull rod 13 slides to the assigned position, can carry out threaded connection with constant head tank 14 when fixed block 15 rotates, at this moment set up box 1 again, make movable wheel 12 and ground contact, thereby personnel can promote pull rod 13, make box 1 can slide subaerial, the tired degree that this mode can avoid the hand to bring, alleviate the labour that personnel carried.

Referring to fig. 1, fig. 2, and fig. 3, it can be seen that the fault locator can be easily carried during use.

To sum up, when using this fault locator convenient to install fast, will wait to detect the line interface and peg graft inside the electric wire interface 4, start the control switch on the instrument main part 2, can detect cable fault through the numerical value of voltmeter 3 this moment, fault locator is prior art, do not do too much here, can install the inside of box 1 with instrument main part 2 fast through L shape fixture block 8, can relax carries box 1 for a long time through removing wheel 12 and pull rod 13, the content that does not make detailed description in this specification belongs to the prior art that the person skilled in the art knows.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The fault locator is characterized by comprising a box body (1) and an instrument main body (2);

the instrument main body (2) is arranged in the box body (1), and two ends of the instrument main body (2) are respectively clamped with the box body (1) through a connecting structure, so that the instrument main body (2) is fixed in the box body (1);

the connecting structure comprises a limit groove (6), a clamping block (8), a spring (7) and a connecting block (5) which are positioned on the box body (1);

the limiting groove (6) comprises a first groove body (61) and a second groove body (62), and the first groove body and the second groove body are communicated with each other; the spring is arranged in a first groove body of the limiting groove, and the clamping block (8) penetrates through the first groove body and the second groove body and can linearly move in the first groove body and the second groove body; the first end of the clamping block (8) extends out of the first groove body, and the second end of the clamping block (8) is inserted into the second groove body; one end of the spring (7) is connected with the inner wall of the first groove body, and the other end of the spring (7) is abutted against the part of the clamping block (8) positioned in the first groove body;

the first end of the connecting block (5) is fixed on the instrument main body (2), and the second end of the connecting block (5) is inserted into the second groove body; the connecting block (5) is provided with a clamping groove (51), the second end of the clamping block (8) is inserted into the second groove body, and when the second end of the connecting block (5) is inserted into the second groove body, the second end of the clamping block (8) is just inserted into the clamping groove (51), so that the clamping block (8) clamps the connecting block (5) into the second groove body.

2. A fault locator for facilitating quick installation as defined in claim 1, wherein: the surface of the instrument main body (2) is provided with a voltmeter (3) and an electric wire interface (4).

3. A fault locator for facilitating quick installation as defined in claim 1, wherein: the clamping block (8) is an L-shaped clamping block.

4. A fault locator for facilitating quick installation as defined in claim 1, wherein: the outer surface of the box body is provided with a protective cover (9) at the position of the first end of the clamping block (8) extending out of the first groove body.

5. The fault locator of claim 4 for facilitating quick installation, wherein: the protective cover (9) is matched with the butt joint groove on the outer surface of the box body through the butt joint block (10), so that the protective cover (9) can be movably connected to the box body.

6. The fault locator of claim 5 for facilitating quick installation, wherein: the butt joint block (10) is a sphere, and the butt joint groove is a sphere groove, so that the butt joint block (10) and the butt joint groove form a sphere pair.

7. A fault locator for facilitating quick installation as defined in claim 1, wherein: a fixed plate (11) is arranged on the box body (1); the fixed plate (11) is provided with a moving wheel (12), and the box body is convenient to move through the moving wheel (12).

8. The fault locator of claim 7 for facilitating quick installation, wherein: a pull rod (13) is inserted into the fixed plate (11); one end of the pull rod (13) is inserted into the fixed plate (11), and the other end of the pull rod (13) extends out of the box body from one side of the box body far away from the fixed plate (11).

9. The fault locator of claim 8 for facilitating quick installation, wherein: a plurality of positioning grooves (14) are formed in the pull rod (13).

10. The fault locator of claim 9 for facilitating quick installation, wherein: a fixed block (15) is fixed on one side, far away from the fixed plate (11), of the box body (1), and a knob (16) is connected inside the fixed block (15) in a penetrating way; the knob (16) is inserted into different positioning grooves (14) so that the length of the pull rod (13) can be fixed after being adjusted.