CN222529437U

CN222529437U - A fault distance measuring device for high voltage direct current transmission line

Info

Publication number: CN222529437U
Application number: CN202420945270.9U
Authority: CN
Inventors: 李庆楠; 杨姣姣; 李明阳; 张海丽; 贾聪
Original assignee: Henan Electric Power Engineering Co ltd
Current assignee: Henan Electric Power Engineering Co ltd
Priority date: 2024-05-06
Filing date: 2024-05-06
Publication date: 2025-02-25
Anticipated expiration: 2034-05-06

Abstract

The utility model discloses a fault distance measuring device for a high-voltage direct-current transmission line, which particularly relates to the technical field of distance measuring devices, and comprises a box body, wherein a stabilizing box is arranged in the box body, the top of the stabilizing box is in an opening shape, a detaching mechanism is arranged at the bottom of the stabilizing box and comprises a sliding strip arranged at the bottom of the stabilizing box, a sliding groove is formed in the inner wall of the box body, the sliding strip is in sliding connection with the sliding groove, a connecting frame is arranged at the top of the stabilizing box, a motor is arranged on one side of the connecting frame, the output end of the motor is coaxially connected with a threaded rod, a movable sleeve is sleeved on the threaded rod, and a first magnetic block is arranged at the top of the movable sleeve. The utility model can conveniently disassemble and maintain the high-voltage fault range finder main body in the device, thereby saving time and labor and protecting the high-voltage fault range finder main body in the device.

Description

High-voltage direct-current transmission line fault distance measuring device

Technical Field

The utility model relates to the technical field of distance measuring devices, in particular to a fault distance measuring device for a high-voltage direct-current transmission line.

Background

The utility model provides a line fault distance measuring apparatu is used for the overhead transmission line to take place permanent ground short circuit or the distance of measuring the fault point transformer when breaking circuit, and this instrument is applicable to the overhead transmission line of each voltage class, when taking place permanent single phase earthing or broken line trouble, tests the fault line, just can measure the fault distance, confirms the fault shaft tower to shorten the rush repair time, the high voltage direct current transmission line fault ranging main part of prior art locates the upper end of electric telescopic handle, causes the damage of distancer main part easily when the casing receives the collision, can't carry out effectual protection to it.

The utility model provides a high voltage direct current transmission line trouble range unit of bulletin number CN216870712U carries out buffering shock attenuation to the distancer main part in the horizontal direction through setting up first shock-absorbing structure, and its secondary second shock-absorbing structure carries out buffering shock attenuation to the distancer main part in the vertical direction, can carry out better protection to the distancer main part, can adjust the angle of distancer main part through setting up steering mechanism moreover, is convenient for carry out of range finding work.

But when in actual use, when the inside distancer main part needs periodic maintenance, this structure needs to dismantle wholly, just can look over the maintenance of distancer main part, and the operation is complicated, often this kind of electric wire line trouble distance measuring device moreover, carries the distancer main part to carry out the detection to the circuit, and this structure is the box and does not have the handle to inconvenient carry.

Disclosure of utility model

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a fault location device for a high-voltage direct-current transmission line, so as to solve the problems set forth in the above-mentioned background art.

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

The fault distance measuring device for the high-voltage direct-current transmission line comprises a box body, wherein a stabilizing box is arranged in the box body, the top of the stabilizing box is in an opening shape, and a dismounting mechanism is arranged at the bottom of the stabilizing box;

The utility model discloses a high-voltage fault distance meter, including box, the draw-bar of box, disassembly body, the draw-bar is connected with the draw-bar in sliding connection, the top of stabilizing the box is provided with the connection frame, one side of connection frame is provided with the motor, the coaxial transmission of output of motor is connected with the threaded rod, the cover is equipped with movable sleeve on the threaded rod, the top of movable sleeve is provided with first magnetic path, the top magnetism of first magnetic path is inhaled and is connected with the second magnetic path, the top of second magnetic path is provided with high-voltage fault distance meter main part.

By adopting the technical scheme, the high-voltage fault range finder main body inside the device is detached and maintained for convenience, and the whole body is not required to be detached completely, so that time and labor are saved.

As further description of the technical scheme, two movable grooves are formed in the surface of the connecting frame, movable strips are arranged in the two movable grooves, and the top of each movable strip is fixedly connected with the bottom of the main body of the high-voltage fault distance meter.

By adopting the technical scheme, the high-voltage fault range finder has the advantages that in order to enable the high-voltage fault range finder main body to be more stable in the moving process, and the practicability is greatly improved.

According to the technical scheme, the shock absorption mechanism is arranged on two sides of the connecting frame and comprises connecting strips arranged on two sides of the connecting frame, a T-shaped block is arranged on one side of the connecting strips, two first springs are arranged on one side of the T-shaped block, shock absorption sponges are arranged on one side of the first springs, a plurality of second springs are arranged in the stabilizing box, movable plates are arranged at the tops of the second springs, connecting blocks are arranged around the movable plates, and a plurality of connecting grooves are formed in the surface of the stabilizing box and are in sliding connection with the connecting grooves.

By adopting the technical scheme, in order to protect the parts in the box body, the damage of the high-voltage fault range finder main body caused by jolt or external force is prevented.

According to the technical scheme, the electric telescopic rod is arranged at the top of the movable plate, one end of the electric telescopic rod is fixedly connected with the connecting frame, the working groove is formed in the top of the box body, the box cover is movably clamped in the working groove, the box door is connected to one side of the box body through the hinge, sealing strips are arranged on one side of the box cover and one side of the box door, two fixing blocks are arranged on two sides of the box body, handles are movably connected to the two fixing blocks, and inclined cross buckles are arranged on one side of the handles.

By adopting the technical scheme, the whole device is convenient to carry, and the device is more convenient to take.

The utility model has the technical effects and advantages that:

1. Compared with the prior art, the device has the advantages that the dismounting mechanism is arranged, the box door is opened, the stabilizing box is pulled outwards, the sliding strip at the bottom of the stabilizing box is driven to move in the sliding groove, the limiting effect is achieved, the high-voltage fault distance meter main body is pulled upwards, the second magnetic block is driven to be separated from the first magnetic block, meanwhile, the movable strip at the bottom of the high-voltage fault distance meter main body is also separated from the movable groove, so that the high-voltage fault distance meter main body can be conveniently taken down for inspection and maintenance, and the device can be carried and moved through the handle, or the inclined straddling rope and the inclined straddling buckle;

2. Through setting up damper, compare with prior art, when the both sides of box suffered horizontal striking, the shock attenuation sponge of both sides will be stressed and inwards extrude, makes first spring receive pressure extrusion deformation, makes the connecting rod receive pressure to the inside removal of T shape piece to make the pressure can not transmit the connection frame inside, when the box received perpendicular striking, the fly leaf moves down, thereby makes the connecting block remove in the spread groove inside, then extrudees the second spring and warp, alleviates the pressure that the striking produced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional elevation view of the present utility model.

Fig. 3 is a schematic view of the working state structure of the present utility model.

Fig. 4 is a schematic structural view of the dismounting mechanism of the present utility model.

Fig. 5 is a schematic structural view of a shock absorbing mechanism according to the present utility model.

Fig. 6 is a schematic diagram of a case cover structure of the present utility model.

The reference sign is 1, the box body; 2, a stabilizing box, 3, a sliding bar, 4, a connecting frame, 5, a motor, 6, a threaded rod, 7, a movable sleeve, 8, a first magnetic block, 9, a second magnetic block, 10, a high-voltage fault range finder main body, 11, a movable bar, 12, a connecting bar, 13, a T-shaped block, 14, a first spring, 15, a damping sponge, 16, a second spring, 17, a movable plate, 18, a connecting block, 19, an electric telescopic rod, 20, a box cover, 21, a box door, 22, a fixed block, 23, a handle, 24 and an inclined cross buckle.

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.

The embodiment of the application discloses a fault distance measuring device for a high-voltage direct-current transmission line, which is shown in figures 1-6, and comprises a box body 1, wherein a stabilizing box 2 is arranged in the box body 1, the top of the stabilizing box 2 is arranged in an opening shape, and a dismounting mechanism is arranged at the bottom of the stabilizing box 2;

The disassembly body is including setting up the draw runner 3 in stabilizing 2 bottoms of boxes, the spout has been seted up to the inner wall of box 1, draw runner 3 and spout sliding connection, the top of stabilizing 2 is provided with connecting frame 4, one side of connecting frame 4 is provided with motor 5, the coaxial transmission of output of motor 5 is connected with threaded rod 6, the cover is equipped with movable sleeve 7 on the threaded rod 6, the top of movable sleeve 7 is provided with first magnetic path 8, be connected with second magnetic path 9 is inhaled to the top magnetism of first magnetic path 8, the top of second magnetic path 9 is provided with high-voltage fault range finder main part 10, two movable grooves have been seted up on the surface of connecting frame 4, the inside in two movable grooves all is provided with movable strip 11, the top and the high-voltage fault range finder main part 10 bottom fixed connection of movable strip 11, open chamber door 21, then outwards pull stabilizing box 2, thereby drive the draw runner 3 in the spout internal movement of stabilizing 2 bottom, thereby play the limiting function, then upwards pull high-voltage fault range finder main part 10, thereby drive second magnetic path 9 and first magnetic path 8 separation, high-voltage fault range finder main part 10 also takes down the activity strip 11 of high-voltage fault range finder main part 10 simultaneously, thereby take down the fault detector main part 10.

Referring to fig. 3-4, damping mechanisms are arranged on two sides of the connecting frame 4, each damping mechanism comprises a connecting strip 12 arranged on two sides of the connecting frame 4, a T-shaped block 13 is arranged on one side of each connecting strip 12, two first springs 14 are arranged on one side of each T-shaped block 13, damping sponges 15 are arranged on one side of each first spring 14, a plurality of second springs 16 are arranged in the stabilizing box 2, movable plates 17 are arranged on the tops of the plurality of second springs 16, connecting blocks 18 are arranged on the periphery of each movable plate 17, a plurality of connecting grooves are formed in the surfaces of the stabilizing box 2, the connecting blocks 18 are in sliding connection with the connecting grooves, when two sides of the box body 1 are subjected to horizontal impact with large force, the damping sponges 15 on the two sides are stressed inwards to be extruded, the first springs 14 are extruded and deformed under pressure, the connecting strips 12 are enabled to be pressed inwards the T-shaped blocks 13, accordingly the pressure is enabled not to be transmitted into the connecting frame 4, after the pressure is enabled to be transmitted to the inside, the connecting strips 12 are enabled to be released to move outwards the T-shaped blocks 13, the first springs 14 and the box body 15 are enabled to reset, when the box body 1 is impacted by the pressure is enabled to be reset, the movable plates are enabled to be enabled to move downwards, and the second springs are enabled to be extruded and deformed inwards, and the connecting grooves are enabled to move downwards when the movable plates are enabled to be 18 are enabled to be compressed and to be deformed.

Referring to fig. 5-6, an electric telescopic rod 19 is arranged at the top of the movable plate 17, one end of the electric telescopic rod 19 is fixedly connected with the connecting frame 4, a working groove is formed in the top of the box body 1, a box cover 20 is movably clamped in the working groove, one side of the box body 1 is connected with a box door 21 through a hinge, sealing strips are arranged on one side of the box cover 20 and one side of the box door 21, two fixing blocks 22 are respectively arranged on two sides of the box body 1, a handle 23 is movably connected in the two fixing blocks 22, an inclined cross buckle 24 is arranged on one side of the handle 23, and a worker pulls the handle 23 upwards to drive the handle 23 to move in the fixing blocks 22, then holds the handle 23 to lift the box body 1, or the inclined cross rope is fixed with the inclined cross buckle 24, so that the box body 1 is obliquely cross on the worker, and the box body is convenient to carry.

When the overhead transmission line is used, firstly, when the overhead transmission line is subjected to unexpected faults, a worker pulls the handle 23 upwards, so that the handle 23 is driven to move in the fixed block 22, then holds the handle 23 to lift the box body 1, or fixes the inclined straddling rope and the inclined straddling buckle 24, the box body 1 is obliquely straddled on the worker, the overhead transmission line is convenient to carry, the overhead transmission line is brought to a fault place, in the moving process, the parts in the box body 1 are prevented from being damaged by collision caused by external impact, when the two sides of the box body 1 are subjected to horizontal impact with smaller force, the damping sponge 15 on the two sides of the box body 1 can resist the impact, when the two sides of the box body 1 are subjected to horizontal impact with larger force, the damping sponge 15 on the two sides are stressed inwards to be extruded, so that the first spring 14 is extruded and deformed by pressure, the connecting strip 12 is pressed into the T-shaped block 13, so that the pressure is not transmitted into the connecting frame 4, the connecting strip 12 is released to the T-shaped block 13, the first spring 14 and the box body 15 are prevented from being extruded and the connecting plate 16 is extruded and deformed when the two sides of the box body 1 are subjected to horizontal impact with smaller force, and then the second damping sponge 17 is extruded and deformed when the connecting plate is extruded and the connecting plate is moved to the connecting plate is deformed vertically;

The handle 23 moves towards the two sides of the box body 1, then the box cover 20 is pulled upwards, so that the box cover 20 is separated from the working groove, the fault line is detected, in the detection process, the electric telescopic rod 19 is started, so that the connecting frame 4 is driven to move upwards, the connecting frame 4 drives the high-voltage fault distance meter main body 10 to move upwards until the working groove is extended, then the motor 5 is started, so that the threaded rod 6 is driven to rotate, the movable sleeve 7 moves left and right on the surface of the threaded rod 6, so that the high-voltage fault distance meter main body 10 is driven to move, the required distance is controlled, and the operation is convenient and quick;

When the high-voltage fault distance meter main body 10 needs to be checked and maintained, the box door 21 is opened firstly, then the stabilizing box 2 is pulled outwards, so that the sliding strip 3 at the bottom of the stabilizing box 2 is driven to move inside the sliding groove, the limiting effect is achieved, then the high-voltage fault distance meter main body 10 is pulled upwards, so that the second magnetic block 9 is driven to be separated from the first magnetic block 8, meanwhile, the movable strip 11 at the bottom of the high-voltage fault distance meter main body 10 is also separated from the movable groove, and the high-voltage fault distance meter main body 10 is taken down for checking and maintaining.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims

1. The fault distance measuring device for the high-voltage direct-current transmission line comprises a box body (1) and is characterized in that a stabilizing box (2) is arranged in the box body (1), the top of the stabilizing box (2) is arranged to be in an opening shape, and a dismounting mechanism is arranged at the bottom of the stabilizing box (2);

The utility model discloses a high-voltage fault range finder, including dismantling mechanism, including setting up draw runner (3) in stable box (2) bottom, the spout has been seted up to the inner wall of box (1), draw runner (3) and spout sliding connection, the top of stable box (2) is provided with connecting frame (4), one side of connecting frame (4) is provided with motor (5), the output coaxial transmission of motor (5) is connected with threaded rod (6), the cover is equipped with movable sleeve (7) on threaded rod (6), the top of movable sleeve (7) is provided with first magnetic path (8), the top magnetism of first magnetic path (8) is inhaled and is connected with second magnetic path (9), the top of second magnetic path (9) is provided with high-voltage fault range finder main part (10).

2. The high-voltage direct-current transmission line fault distance measuring device according to claim 1, wherein two movable grooves are formed in the surface of the connecting frame (4), movable strips (11) are arranged in the two movable grooves, and the top of each movable strip (11) is fixedly connected with the bottom of the high-voltage fault distance measuring device main body (10).

3. The high-voltage direct-current transmission line fault distance measuring device according to claim 1, wherein damping mechanisms are arranged on two sides of the connecting frame (4), each damping mechanism comprises a connecting strip (12) arranged on two sides of the connecting frame (4), a T-shaped block (13) is arranged on one side of each connecting strip (12), two first springs (14) are arranged on one side of each T-shaped block (13), and damping sponge (15) is arranged on one side of each first spring (14).

4. The high-voltage direct-current transmission line fault distance measuring device according to claim 1, wherein a plurality of second springs (16) are arranged in the stabilizing box (2), movable plates (17) are arranged at the tops of the second springs (16), connecting blocks (18) are arranged around the movable plates (17), a plurality of connecting grooves are formed in the surface of the stabilizing box (2), and the connecting blocks (18) are connected with the connecting grooves in a sliding mode.

5. The fault distance measuring device for the high-voltage direct-current transmission line according to claim 4, wherein an electric telescopic rod (19) is arranged at the top of the movable plate (17), and one end of the electric telescopic rod (19) is fixedly connected with the connecting frame (4).

6. The high-voltage direct-current transmission line fault distance measuring device according to claim 1, wherein a working groove is formed in the top of the box body (1), a box cover (20) is movably clamped in the working groove, a box door (21) is connected to one side of the box body (1) through a hinge, and sealing strips are arranged on one sides of the box cover (20) and the box door (21).

7. The high-voltage direct-current transmission line fault distance measuring device according to claim 1, wherein two fixing blocks (22) are arranged on two sides of the box body (1), handles (23) are movably connected inside the two fixing blocks (22), and inclined straddling buckles (24) are arranged on one side of each handle (23).