CN115728599A - A distribution network cable fault locator - Google Patents

Abstract

The invention discloses a distribution network cable fault locator, which comprises: a detection instrument body; a C-shaped detection end connected to the detection instrument body through wires; a U-shaped frame, and the C-shaped detection end is located in the U-shaped frame The bottom, the bottom of the U-shaped frame is detachably connected with a long rod, the top of the U-shaped frame has a long frame and a short frame, the inner side of the long frame is connected with a fixed shaft, and the top hinge of the short frame is connected with a hinge plate. The inner side of the plate is rotatably connected with a movable shaft; the frame-shaped frame body is fixedly connected to the outer side of the short frame, the inner side of the frame-shaped frame body is slidably connected with a sliding plate, and the side of the sliding plate is provided with a long groove. In order to solve the problem that the detection end frame of the current cable fault locator is simple in structure, adopts a C-shaped or hook shape, and the user holds the detection end for detection, and the use process is very laborious.

Description

A distribution network cable fault locator

technical field

The invention relates to the technical field of cable detection, in particular to a distribution network cable fault locator.

Background technique

Cable Fault Locator is a set of comprehensive cable fault detection equipment. It can test high-resistance flashover faults, high-low-resistance grounding, short circuit, cable disconnection, poor contact and other faults. It can be used in power cables. The field of application is very wide.

The cable fault locator includes the detection end and the detection instrument body. The detection end senses the change of the surrounding magnetic field and transmits the signal to the detection instrument body. The user controls the detection end to move along the power grid line, and confirms the disconnection according to the electromagnetic field change around the cable. The location can realize accurate location of the fault point.

At present, the structure of the detection end frame equipped with the cable fault locator is simple, and it adopts a C-shaped or hook shape. The user holds the detection end for detection, and the use process is very laborious. Therefore, the present invention provides a new type of distribution network cable fault Locator.

Contents of the invention

In order to solve the above shortcomings and deficiencies of the prior art, the object of the present invention is to provide a distribution network cable fault locator.

The technical solution of the present invention is a distribution network cable fault locator, including:

Detection instrument body;

A C-type detection terminal, the C-type detection terminal is connected to the detection instrument body through a wire;

U-shaped frame, the C-shaped detection end is located at the inner bottom of the U-shaped frame, the bottom of the U-shaped frame is detachably connected with a long rod, the top of the U-shaped frame has a long frame and a short frame, and the long frame The inner side of the short frame is rotatably connected with a fixed shaft, the top hinge of the short frame is connected with a hinge plate, and the inner side of the hinge plate is rotatably connected with a movable shaft;

A frame-shaped frame body, the frame-shaped frame body is fixedly connected to the outer side of the short frame, a sliding plate is slidably connected to the inner side of the frame-shaped frame body, and a long groove is opened on the side of the sliding plate, and the frame-shaped frame body The inner side of the body and the inside of the long groove are fixedly connected with a restriction nail, and an elastic block is arranged inside the long groove and above the restriction nail;

A steel wire rope, one end of the steel wire rope is fixedly connected to the bottom of the sliding plate.

Optionally, the long rod includes: a rod body, a handle is provided at the bottom of the rod body, and a threaded head is provided at the top of the rod body.

Optionally, a threaded connection barrel is fixedly connected to the bottom of the U-shaped frame, and the threaded head is threadedly engaged with the threaded connection barrel.

Optionally, a wire rack is fixedly connected to the side of the threaded connection cylinder, and a guide hole is formed on the wire rack, and the wire rope passes through the guide hole.

Optionally, a second limiting block is fixedly connected to the side of the fixed shaft, and a first limiting block is fixedly connected to the side of the movable shaft.

Optionally, one end of the second limiting block facing the movable shaft is provided with a tapered surface, and one end of the first limiting block facing the fixed shaft is provided with a tapered surface.

Optionally, both the fixed shaft and the movable shaft are made of bakelite material.

Optionally, the long rod is a telescopic rod.

The beneficial effects of the present invention are: compared with the prior art, the present invention adopts a U-shaped frame by improving the frame structure of the detection end equipped with the cable fault locator, and the top is provided with a fixed shaft and a movable shaft, and the movable shaft follows the The hinge plate can be opened. After the cable is inserted into the U-shaped frame, the positions of the fixed shaft and the movable shaft are fixed. The fixed shaft and the movable shaft are used to hang the frame body. When moving, the user only needs to pull the frame body to move That's it, it's very labor-saving to use.

Description of drawings

Fig. 1 is a schematic diagram of the present invention;

Fig. 2 is a U-shaped frame perspective view of the present invention;

Fig. 3 is the front view of the long pole of the present invention;

Fig. 4 is a U-shaped frame front view of the present invention;

Fig. 5 is a right view of the U-shaped frame of the present invention.

illustration:

1. Detection instrument body; 2. C-type detection end; 3. Lead wire; 4. Long rod; 41. Rod body; 42. Handle; 43. Thread head; 5. U-shaped frame; 51. Long frame; 52. Short Frame; 6, hinge plate; 7, fixed shaft; 8, movable shaft; 9, first limit block; 10, second limit block; 11, threaded connection cylinder; 12, wire frame; 13, wire rope; 1. Frame frame body; 15. sliding plate; 16. elastic block; 17. long slot; 18. limiting nail.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the invention is further introduced:

Referring to FIGS. 1 to 5 , a distribution network cable fault locator includes: a detection instrument body 1 , a C-shaped detection terminal 2 , a U-shaped frame 5 , and a frame-shaped frame body 14 .

The C-type detection terminal 2 is connected to the detection instrument body 1 through the wire 3, and the C-type detection terminal 2 detects the electromagnetic field around the power cable, and transmits the electromagnetic field strength signal to the detection instrument body 1 through the wire 3, and the user observes the detection result. Get the location of the fault point.

The C-shaped detection end 2 is located at the inner bottom of the U-shaped frame 5, and the bottom of the U-shaped frame 5 is detachably connected with a long rod 4. The top of the U-shaped frame 5 has a long frame 51 and a short frame 52, and the inner side of the long frame 51 is rotationally connected. There is a fixed shaft 7, the top hinge of the short frame 52 is connected with a hinge plate 6, and the inner side of the hinge plate 6 is rotatably connected with a movable shaft 8.

The user controls the U-shaped frame 5 to move through the long pole 4, and then controls the C-shaped detection end 2 to move along the power cable.

The hinge plate 6 can be opened to the outside of the hinge, and when it rotates to the inside, the fixed shaft 7 and the movable shaft 8 bear against each other, hindering the rotation of the hinge plate 6, and when the hinge plate 6 is opened to the outside, the fixed shaft 7. The gap between the movable shafts 8 becomes larger, allowing cables to enter the inner side of the U-shaped frame 5 .

The frame-shaped frame body 14 is fixedly connected to the outer side of the short frame 52, and the inside of the frame-shaped frame body 14 is slidably connected with a sliding plate 15. The inside of the slot 17 is fixedly connected with a restriction nail 18 , and the inside of the long slot 17 and above the restriction nail 18 is provided with an elastic block 16 .

Under the action of the elastic block 16, the sliding plate 15 is always in the upper position, which can limit the rotation of the hinge plate 6 to the outside.

A steel wire rope 13, one end of the steel wire rope 13 is fixedly connected to the bottom of the sliding plate 15, the user can pull the steel wire rope 13, and then drive the sliding plate 15 to slide downward, compress the elastic block 16, the hinge plate 6 rotates outward, and the cable passes through the fixed shaft 7. The gap between the movable shafts 8 enters the inner side of the U-shaped frame 5. After the wire rope 13 is loosened, under the action of the elastic block 16, the sliding plate 15 slides upwards to the original position.

With reference to accompanying drawing 3, long rod 4 comprises: rod body 41, and the bottom of rod body 41 is provided with handle portion 42, and the top of rod body 41 is provided with threaded head 43, and the bottom of U-shaped frame 5 is fixedly connected with threaded connection tube 11, and threaded head 43 It is threadedly matched with the threaded connecting cylinder 11.

After the long pole 4 is connected to the U-shaped frame 5, the operator can control the movement of the U-shaped frame 5 located at high altitude on the ground, and for overhead power cable detection, it is not necessary to use high-altitude operations.

In a preferred embodiment, the long rod 4 is a telescopic rod, the length of the long rod 4 can be adjusted according to actual needs, and the scope of application is wider.

The side of threaded connection cylinder 11 is fixedly connected with wire frame 12, and wire frame 12 has guide hole, and steel wire rope 13 passes through this guide hole, is used for guiding steel wire rope 13, and it is more convenient to use.

The side of the fixed shaft 7 is fixedly connected with a second limiting block 10, the side of the movable shaft 8 is fixedly connected with a first limiting block 9, and the second limiting block 10 is provided with a tapered surface towards one end of the movable shaft 8, the first One end of the limiting block 9 facing the fixed shaft 7 is provided with a tapered surface.

The power cable is located in the area between the first limit block 9 and the second limit block 10, just corresponding to the C-type detection terminal 2, and the use effect is relatively good.

Both the fixed shaft 7 and the movable shaft 8 are made of bakelite material, which is an excellent insulating material and is safer to use.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (8)

1. A distribution network cable fault locator, comprising: Detection instrument body (1); It is characterized in that it also includes: A C-type detection terminal (2), the C-type detection terminal (2) is connected to the detection instrument body (1) through a wire (3); The U-shaped frame (5), the C-shaped detection end (2) is located at the inner bottom of the U-shaped frame (5), and the bottom of the U-shaped frame (5) is detachably connected with a long rod (4), and the U-shaped frame (5) is detachably connected with a long rod (4). The top of the profile frame (5) has a long frame (51) and a short frame (52). The inner side of the long frame (51) is rotatably connected with a fixed shaft (7), and the top hinge of the short frame (52) is connected to There is a hinge plate (6), and the inner side of the hinge plate (6) is rotatably connected with a movable shaft (8); A frame-shaped frame body (14), the frame-shaped frame body (14) is fixedly connected to the outer side of the short frame (52), and the inner side of the frame-shaped frame body (14) is slidably connected with a sliding plate (15), so The side of the sliding plate (15) is provided with a long slot (17), and the inner side of the frame body (14) is fixedly connected with a limiting nail (18) inside the long slot (17), and the long slot ( 17) is provided with an elastic block (16) inside and above the limiting nail (18); A steel wire rope (13), one end of the steel wire rope (13) is fixedly connected to the bottom of the sliding plate (15). 2. The distribution network cable fault locator according to claim 1, characterized in that, the long rod (4) includes: a rod body (41), and a handle part (42) is provided at the bottom of the rod body (41), so that The top of the rod body (41) is provided with a threaded head (43). 3. The distribution network cable fault locator according to claim 2, characterized in that, the bottom of the U-shaped frame (5) is fixedly connected with a threaded connection cylinder (11), and the threaded head (43) and the threaded connection cylinder (11) Thread fit. 4. The distribution network cable fault locator according to claim 3, characterized in that, the side of the threaded connection cylinder (11) is fixedly connected with a wire frame (12), and the wire frame (12) has a guide hole, so that The steel wire rope (13) passes through the guide hole. 5. The distribution network cable fault locator according to claim 1, characterized in that, the side of the fixed shaft (7) is fixedly connected with a second limit block (10), and the side of the movable shaft (8) is fixed Connected with the first limit block (9). 6. The distribution network cable fault locator according to claim 5, characterized in that, one end of the second limit block (10) facing the movable shaft (8) is provided with a tapered surface, and the first limit block (9) One end facing the fixed shaft (7) is provided with a tapered surface. 7. The distribution network cable fault locator according to claim 6, characterized in that, the fixed shaft (7) and the movable shaft (8) are both made of bakelite material. 8. The distribution network cable fault locator according to claim 1, characterized in that the long rod (4) is a telescopic rod.

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