Distributed fault detection device for power transmission line

Abstract

The utility model relates to the technical field of power transmission line fault detection devices, and discloses a power transmission line distributed fault detection device which comprises a lower shell, an upper shell is hinged to the upper portion of the lower shell, a sleeve is fixedly connected to the outer surface of the lower shell, and two positioning rods are slidably connected to the interior of the sleeve. According to the distributed fault detection device for the power transmission line, through arrangement of a sleeve, a positioning rod, a spring, a positioning pipe, a positioning hole, a triangular plate, a sliding plate and a shifting piece, the lower shell and the upper shell can be automatically connected and positioned when closed, the lower shell and the upper shell are conveniently opened, opening and closing installation of the detection device is facilitated, convenience is provided for workers working high above the ground, and the working efficiency is improved. The screw rod is rotated to drive the reinforcing plate to move under the action of the threaded pipe, so that the reinforcing plate can clamp the power transmission line, the detection device is reinforced, the stability of the detection device is improved, it is guaranteed that the detection device always keeps a stable operation state, and the accuracy of detection data is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of power transmission line fault detection devices, in particular to a power transmission line distributed fault detection device. BACKGROUND

[0002] Power transmission lines are widely distributed and are easily affected by lightning, wind deflection, bird damage and floating objects and the like, and power supply is interrupted due to faults, so as to respond to the problem, the power transmission line distributed fault detection device emerges as the times require, the device is dispersedly arranged on the conductor, and the traveling wave measurement principle is ingeniously used to realize accurate positioning of the fault point and rapid identification of the fault cause, so that the efficiency and accuracy of fault handling are effectively improved, and a powerful guarantee is provided for the stable operation of the power system.

[0003] Since the fault detection device needs to be dispersedly installed on the power transmission line, and the power transmission line is located at a high altitude, it is inconvenient to work at the high altitude, therefore, the convenience in the installation operation process of the fault detection device needs to be improved, meanwhile, the stability of the fault detection device after installation also needs to be ensured, so that the working state of the fault detection device is stably maintained, and the accuracy of detection data is improved, therefore, the power transmission line distributed fault detection device is provided. CONTENT OF THE INVENTION

[0004] In view of the deficiencies in the prior art, the application provides a power transmission line distributed fault detection device, which is convenient for opening and closing installation of the detection device, provides convenience for workers working at a high altitude, can reinforce the detection device, improves the stability of the detection device, ensures that the detection device always maintains a stable working state, and improves the accuracy of detection data.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a power transmission line distributed fault detection device, comprising a lower shell, an upper shell is hingedly connected above the lower shell, a sleeve is fixedly connected to the outer surface of the lower shell, two positioning rods are slidingly connected in the sleeve, a spring is fixedly connected to one side of each positioning rod in the sleeve, the end of the spring away from the positioning rod is fixedly connected to the inside of the sleeve, two positioning tubes are fixedly connected to the outer surface of the upper shell, a positioning hole is formed in the inside of each positioning tube, the outer circumferential surface of each positioning rod is slidingly inserted into the positioning hole and the positioning tube, a triangular plate is fixedly connected to the bottom of each positioning tube, a sliding plate is fixedly connected to the outer circumferential surface of each positioning rod, a push piece is fixedly connected to the outer surface of the sliding plate, a side plate is fixedly connected to the two side surfaces of the lower shell, a screw rod is rotatably connected in the inside of each side plate, two threaded tubes are threadedly connected to the outer circumferential surface of each screw rod, and a reinforcing plate is fixedly connected to the outer circumferential surface of each threaded tube.

[0006] In order to improve the convenience of the detection device in high-altitude installation operation, and improve the stability of the detection device after installation, the sleeve, the positioning rod, the spring, the positioning tube, the positioning hole, the triangular plate, the sliding plate and the push piece are arranged, so that the lower shell and the upper shell can be automatically connected and positioned when closed, and the lower shell and the upper shell are convenient to open, the opening and closing installation of the detection device is facilitated, the worker in high-altitude operation is facilitated, the reinforcing plate is moved under the action of the threaded pipe by rotating the lead screw, the reinforcing plate can clamp the power transmission line, and then the detection device is reinforced, the stability of the detection device is improved, the stable operation state of the detection device is ensured, and the accuracy of detection data is improved.

[0007] Further, the side of the inclined surface of the triangular plate close to the sleeve is arranged, and the end of the positioning rod outside the sleeve is arc-shaped structure.

[0008] Through the above scheme, when the positioning tube rotates and moves downward, the positioning rod can be moved under the action of the inclined surface of the triangular plate, and the positioning rod moves towards the inside of the sleeve, after the positioning tube completely falls, the positioning rod automatically returns and inserts into the positioning hole under the action of the spring, and the closed lower shell and upper shell are automatically locked, and the arc surface structure of the sleeve can prevent the triangular plate and the positioning rod from scratching each other when they contact.

[0009] Further, two sliding grooves are arranged in the inside of the sleeve, and the outer surfaces of the sliding plates are respectively connected with the sleeve through the sliding grooves.

[0010] Through the above scheme, the positioning rod is limited, so that the positioning rod always moves horizontally with the sliding plate, and the stability of the movement of the positioning rod is improved.

[0011] Further, the reinforcing plate is an arc-shaped plate, and two reinforcing plates are symmetrically arranged on the lead screw.

[0012] Through the above scheme, the arc-shaped reinforcing plate can better fit the shape of the power transmission line, increase the contact area between the reinforcing plate and the power transmission line, improve the fastening force of the reinforcing plate, and further improve the stability of the detection device as a whole.

[0013] Further, the arc-shaped inner wall of the reinforcing plate is fixedly connected with the anti-skid pad.

[0014] Through the above scheme, the friction between the reinforcing plate and the power transmission line is increased, the detection device is prevented from being easily loosened and deviated, and the stability of the detection device is further improved.

[0015] Further, the lead screw is a bidirectional threaded rod, and each end of the lead screw is provided with a handle.

[0016] Through the above scheme, the screw rod with the bidirectional thread structure can drive the threaded pipe to move synchronously in the opposite direction to open and close, thereby driving the reinforcing plate to clamp the power transmission line, reinforcing the detection device, and improving the stability of the detection device. The handle provides convenience for the rotation operation of the screw rod.

[0017] Further, the inner part of each side plate is fixedly connected with a cross bar, and the outer circumferential surface of each threaded pipe is fixedly connected with a collar, and the inner wall of the collar is respectively in sliding sleeve connection with the outer circumferential surface of the cross bar.

[0018] Through the above scheme, the threaded pipe is limited to avoid rotating with the screw rod, so as to always move horizontally.

[0019] Further, the outer circumferential surface of each screw rod is fixedly sleeved with two limiting rings, and the side of the limiting ring close to the side plate is respectively in contact with the side plate.

[0020] Through the above scheme, the screw rod is limited to avoid sliding deviation, thereby improving the stability of the movement of the screw rod.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The power transmission line distributed fault detection device, by setting the sleeve, positioning rod, spring, positioning pipe, positioning hole, triangular plate, sliding plate and push piece, can automatically connect and position when the lower shell and the upper shell are closed, and can conveniently open the lower shell and the upper shell, facilitate the opening and closing installation of the detection device, provide convenience for the workers of the aerial work, drive the reinforcing plate to move under the action of the threaded pipe by rotating the screw rod, enable the reinforcing plate to clamp the power transmission line, thereby reinforcing the detection device, improving the stability of the detection device, ensuring that the detection device always maintains a stable working state, and improving the accuracy of the detection data. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a sleeve structure diagram of the present application;

[0024] Figure 2 It is an upper shell structure diagram of the present application;

[0025] Figure 3 It is a lower shell structure diagram of the present application;

[0026] Figure 4 It is a whole three-dimensional structure diagram of the present application;

[0027] Figure 5 It is a positioning rod structure diagram of the present application;

[0028] Figure 6 It is a reinforcing plate structure diagram of the present application.

[0029] In the figure:

[0030] 1. lower shell; 2. upper shell; 3. sleeve; 4. positioning rod; 5. spring; 6. positioning tube; 7. positioning hole; 8. triangular plate; 9. sliding plate; 10. push piece; 11. side plate; 12. lead screw; 13. threaded tube; 14. reinforcing plate; 15. sliding groove; 16. crossbar; 17. sleeve ring; 18. limiting ring; 19. non-slip pad. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , the power transmission line distributed fault detection device in the embodiment comprises a lower shell 1, and an upper shell 2 is hingedly connected above the lower shell 1.

[0033] Please refer to Figure 1 , Figure 4 and Figure 5 , the outer surface of the lower shell 1 is fixedly connected with a sleeve 3, and the inside of the sleeve 3 is slidably connected with two positioning rods 4. Each positioning rod 4 is fixedly connected with a spring 5 on one side inside the sleeve 3, and the end of the spring 5 away from the positioning rod 4 is fixedly connected with the inside of the sleeve 3. The outer surface of the upper shell 2 is fixedly connected with two positioning tubes 6, and the inside of each positioning tube 6 is provided with a positioning hole 7. The outer circumferential surface of the positioning rod 4 is slidably inserted through the positioning hole 7 and the positioning tube 6, and the bottom of each positioning tube 6 is fixedly connected with a triangular plate 8. The outer circumferential surface of each positioning rod 4 is fixedly connected with a sliding plate 9, and the outer surface of the sliding plate 9 is fixedly connected with a push piece 10. The two side surfaces of the lower shell 1 are fixedly connected with side plates 11, and the inside of each side plate 11 is rotatably connected with a lead screw 12. The outer circumferential surface of each lead screw 12 is threadedly connected with two threaded tubes 13, and the outer circumferential surface of each threaded tube 13 is fixedly connected with a reinforcing plate 14.

[0034] Please refer to Figure 4 and Figure 5The side of the inclined surface of the triangular plate 8 close to the sleeve 3 is provided, the one end of the positioning rod 4 outside the sleeve 3 is arc surface structure, the positioning tube 6 is driven to rotate and move down, the positioning rod 4 is moved under the action of the inclined surface of the triangular plate 8, the positioning rod 4 is pushed to move to the inside of the sleeve 3, the positioning rod 4 is automatically moved back to the positioning hole 7 under the action of the spring 5, the lower shell 1 and the upper shell 2 are automatically locked, the arc surface structure of the sleeve 3 can prevent the triangular plate 8 and the positioning rod 4 from scratching each other.

[0035] Please refer to Figure 2 and Figure 5 The inside of the sleeve 3 is provided with two sliding grooves 15, the outer surface of the sliding plate 9 is connected with the sleeve 3 through the sliding grooves 15, the positioning rod 4 is limited, the positioning rod 4 is always moved horizontally with the sliding plate 9, the positioning rod 4 is prevented from rotating, and the stability of the positioning rod 4 is improved.

[0036] Please refer to Figure 4 and Figure 6 The reinforcing plate 14 is arc plate, two reinforcing plates 14 are symmetrically arranged on the lead screw 12, the arc reinforcing plate 14 can better fit the shape of the power transmission line, increase the contact area between the reinforcing plate 14 and the power transmission line, improve the fastening force of the reinforcing plate 14, and further improve the stability of the detection device as a whole.

[0037] Please refer to Figure 4 and Figure 6 The arc inner wall of the reinforcing plate 14 is fixedly connected with the anti-skid pad 19, the friction between the reinforcing plate 14 and the power transmission line is increased, the detection device is prevented from being easily loosened and deviated, and the stability of the detection device is further improved.

[0038] Please refer to Figure 4 and Figure 6 The lead screw 12 is a bidirectional threaded rod, each end of each lead screw 12 is provided with a handle, the bidirectional threaded structure of the lead screw 12 can drive the threaded tube 13 to move synchronously in opposite directions to open and close, and then drive the reinforcing plate 14 to clamp the power transmission line, reinforce the detection device, improve the stability of the detection device, and the handle provides convenience for the rotation operation of the lead screw 12.

[0039] Please refer to Figure 4 and Figure 6 The inside of each side plate 11 is fixedly connected with a cross rod 16, and the outer circumferential surface of each threaded tube 13 is fixedly connected with a sleeve ring 17, the inner wall of the sleeve ring 17 is slidably connected with the outer circumferential surface of the cross rod 16, the threaded tube 13 is limited, the threaded tube 13 is prevented from rotating with the lead screw 12, and the threaded tube 13 is always moved horizontally.

[0040] Please refer to Figure 4 andFigure 6 The outer circumferential surface of each lead screw 12 is fixedly sleeved with two limiting rings 18, which are in contact with the side plates 11 respectively on the side close to the side plates 11, limiting the lead screw 12 from sliding and offsetting, and improving the stability of the movement of the lead screw 12.

[0041] The power transmission line distributed fault detection device in the embodiment can automatically connect and position the lower shell 1 and the upper shell 2 when they are closed, and facilitate opening of the lower shell 1 and the upper shell 2, facilitating installation and disassembly of the detection device, providing convenience for workers in aerial work. The reinforced plate 14 is moved under the action of the threaded pipe 13 driven by the rotating lead screw 12, so that the reinforced plate 14 can clamp the power transmission line, thereby reinforcing the detection device, improving the stability of the detection device, ensuring that the detection device always maintains a stable working state, and improving the accuracy of detection data.

[0042] It should be noted that the handles at both ends of the lead screw 12 are provided with anti-skid protrusions arranged at equal intervals, facilitating rotation operation of the lead screw 12 by the handles with anti-skid protrusions during aerial work.

[0043] The working principle of the above embodiment is as follows:

[0044] During installation of the detection device, when the lower shell 1 and the upper shell 2 are closed, the triangular plate 8 will contact the positioning rod 4 before the positioning tube 6, and with the continuous closing of the two, the positioning rod 4 will move to the inside of the sleeve 3 under the action of the inclined surface of the triangular plate 8, and will extrude the spring 5. After the positioning tube 6 completely falls, the positioning rod 4 will automatically return to insert into the positioning hole 7 under the action of the spring 5, and automatically lock the closed lower shell 1 and upper shell 2. When it is necessary to open the lower shell 1 and the upper shell 2, two fingers are used to simultaneously move the push piece 10 inward, the push piece 10 drives the two positioning rods 4 to move inward through the sliding plate 9, so that the two positioning rods 4 are simultaneously removed from the inside of the positioning hole 7. At this time, the positioning restriction between the lower shell 1 and the upper shell 2 is released. After the lower shell 1 and the upper shell 2 are installed, the threaded pipe 13 is moved inward by rotating the lead screw 12, the threaded pipe 13 drives the reinforced plate 14 to move inward, so that the reinforced plate 14 clamps the power transmission line, thereby reinforcing the detection device. In combination with the positioning structure inside the detection device itself, the detection device is further reinforced, the stability of the detection device is improved, the detection device always maintains a stable working state, and the accuracy of detection data is improved.

[0045] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0046] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A power line distributed fault detection device comprising a lower housing (1), characterized in that: The upper shell (2) is hinged above the lower shell (1), the outer surface of the lower shell (1) is fixedly connected with a sleeve (3), the inside of the sleeve (3) is slidably connected with two positioning rods (4), the outer surface of each positioning rod (4) is fixedly connected with a spring (5) on one side in the sleeve (3), the end of the spring (5) away from the positioning rod (4) is fixedly connected with the inside of the sleeve (3), the outer surface of the upper shell (2) is fixedly connected with two positioning tubes (6), the inside of each positioning tube (6) is provided with a positioning hole (7), the outer circumferential surface of the positioning rod (4) is slidably inserted into the positioning hole (7) and the positioning tube (6) respectively, the bottom of each positioning tube (6) is fixedly connected with a triangular plate (8), the outer circumferential surface of each positioning rod (4) is fixedly connected with a sliding plate (9), the outer surface of the sliding plate (9) is fixedly connected with a pulling piece (10), the two side surfaces of the lower shell (1) are fixedly connected with side plates (11), the inside of each side plate (11) is rotatably connected with a lead screw (12), the outer circumferential surface of each lead screw (12) is threadedly connected with two threaded tubes (13), and the outer circumferential surface of each threaded tube (13) is fixedly connected with a reinforcing plate (14).

2. A power transmission line distributed fault detection apparatus according to claim 1, characterized in that: The inclined surface of the triangular plate (8) is arranged on the side close to the sleeve (3), and the end of the positioning rod (4) located outside the sleeve (3) is in arc surface structure.

3. A power transmission line distributed fault detection apparatus according to claim 1, characterized in that: The inside of the sleeve (3) is provided with two sliding grooves (15), and the outer surface of the sliding plate (9) is slidably connected with the sleeve (3) through the sliding grooves (15).

4. The power transmission line distributed fault detection apparatus of claim 1, wherein: The reinforcing plate (14) is an arc plate, and the two reinforcing plates (14) are symmetrically arranged on the lead screw (12).

5. A power transmission line distributed fault detection apparatus according to claim 1, characterized by: The arc-shaped inner wall of the reinforcing plate (14) is fixedly connected with a non-slip pad (19).

6. A power transmission line distributed fault detection apparatus according to claim 1, characterized by: The lead screw (12) is a bidirectional threaded rod, and the two ends of each lead screw (12) are provided with handles.

7. A power transmission line distributed fault detection apparatus according to claim 1, characterized by: The inside of each side plate (11) is fixedly connected with a cross rod (16), the outer circumferential surface of each threaded tube (13) is fixedly connected with a sleeve ring (17), and the inner wall of the sleeve ring (17) is slidably sleeved with the outer circumferential surface of the cross rod (16).

8. A power transmission line distributed fault detection apparatus according to claim 1, characterized by: The outer circumferential surface of each lead screw (12) is fixedly sleeved with two limiting rings (18), and the side of each limiting ring (18) close to the side plate (11) is in contact with the side plate (11).

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