Rapid overhead line fault positioning device

Abstract

The utility model discloses an overhead line fault rapid positioning device, which is characterized in that the overhead line fault rapid positioning device comprises an outer shield, and two first mounting seats with L-shaped cross sections are symmetrically and fixedly arranged in the middle of the upper part of one end of the outer shield; a first grooved wheel is rotationally arranged between the two first mounting seats, and a first motor for driving the first grooved wheel to rotate is arranged outside one of the first mounting seats; second mounting bases with L-shaped sections are adjustably arranged below the two first mounting bases correspondingly, a second grooved wheel is rotationally arranged between the two second mounting bases, and a second motor used for driving the second grooved wheel to rotate is arranged outside one of the second mounting bases. And the second grooved wheel and the first grooved wheel are positioned on the same vertical plane. According to the utility model, the overhead line fault can be automatically and rapidly positioned, the potential safety hazard is eliminated, and the positioning efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power fault detection, in particular to a device for quickly locating an overhead line fault. Background Art

[0002] Overhead lines are the main power supply carriers in cities and rural areas. Therefore, in order to ensure the stability and safety of power supply, it is necessary to effectively monitor the fault problems of overhead lines. Transmission line fault location is an important technology for quickly finding the fault point when a transmission line fails. Especially with the accumulation of time, it is easy to cause cable body defects such as damage to the outer semiconductor layer or main insulation of the cable, resulting in uneven electric field of the power cable, causing local discharge, local overheating, increased dielectric loss, and harmonic components in the leakage current. Therefore, overhead lines need to be regularly maintained and inspected to locate faults. At present, overhead line fault location is generally performed manually, but because it is an aerial operation, personnel safety is difficult to guarantee, and if the cable is manually inspected at a full distance, it is very time-consuming and labor-intensive. Therefore, a rapid fault location device for overhead lines is developed. Utility Model Content

[0003] The utility model aims to provide a device for quickly locating faults of overhead lines, so as to solve the technical problems mentioned in the above background technology.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a device for quickly locating faults of an overhead line, and the device is characterized in that: it comprises an outer protective cover, wherein two first mounting seats with L-shaped cross sections are symmetrically fixedly arranged in the middle of the upper part of one end of the outer protective cover, a first groove wheel is rotatably arranged between the two first mounting seats, and a first motor for driving the first groove wheel to rotate is arranged on the outside of one of the first mounting seats; second mounting seats with L-shaped cross sections are respectively adjustable below the two first mounting seats, a second groove wheel is rotatably arranged between the two second mounting seats, and a second motor for driving the second groove wheel to rotate is arranged on the outside of one of the second mounting seats, and the second groove wheel and the first The sheaves are located on the same vertical plane; two third mounting seats with L-shaped cross-sections are symmetrically fixed in the middle of one side of the other end of the outer shield, a third sheave is rotatably arranged between the two third mounting seats, and a third motor for driving the third sheave to rotate is arranged on the outside of one of the third mounting seats; fourth mounting seats with L-shaped cross-sections are adjustably arranged at the ends of the two third mounting seats, a fourth sheave is rotatably arranged between the two fourth mounting seats, and a fourth motor for driving the fourth sheave to rotate is arranged on the outside of one of the fourth mounting seats, and the fourth sheave and the third sheave are located on the same horizontal plane; two infrared detectors are symmetrically arranged on both sides of the middle part of the outer shield.

[0006] Furthermore, the outer shield includes a main shield body with an inverted U-shaped cross-section, and bottom plates are detachably provided at both ends of the bottom of the main shield body through two pairs of bolts.

[0007] Furthermore, a battery is provided at the lower part of the base plate, and the first motor, the second motor, the third motor, the fourth motor and the two infrared detectors are all electrically connected to the battery.

[0008] Furthermore, a vertical first connecting rod is fixedly provided at the bottom of each first mounting seat, and each first connecting rod is slidably matched with a through hole opened at the top of the corresponding second mounting seat. The first connecting rod is sleeved with a first spring at a position below the top plate of the second mounting seat, and an external thread is opened on the peripheral wall of each first connecting rod, and a first limiting nut threadedly connected to the first spring is provided at a position near the end of the first spring.

[0009] Furthermore, a horizontal second connecting rod is fixedly provided at the end of each of the third mounting seats, and each of the second connecting rods is slidably matched with a through hole opened at the corresponding end of the fourth mounting seat. The second connecting rod is sleeved with a second spring at a position located on the inner side of the end plate of the fourth mounting seat, and an external thread is opened on the peripheral wall of each of the second connecting rods and a second limiting nut threadedly connected to the second spring is provided at the end of the second spring.

[0010] Compared with the prior art, the beneficial technical effects of the utility model are:

[0011] The utility model clamps the upper and lower sides of the line to be detected by the first and second groove wheels, and clamps the left and right sides of the line to be detected by the third and fourth groove wheels. When each motor drives the corresponding groove wheels to rotate, the entire device can move along the overhead line. Two infrared detectors use infrared thermal images of specific wavelengths to scan the line surface, thereby detecting temperature changes and anomalies on the line surface, which is conducive to the automatic and rapid positioning of overhead line faults, eliminating safety hazards and improving positioning efficiency.

[0012] In addition, the distance between the first sheave and the second sheave, and the distance between the third sheave and the fourth sheave can be adjusted according to the outer diameter of the line, so as to adapt to the fault location of lines of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model will be further described below in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of one end of the overhead line fault rapid locating device of the utility model;

[0015] Figure 2 This is a schematic diagram of the other end of the utility model overhead line fault rapid location device;

[0016] Figure 3 It is a schematic diagram of the middle section of the overhead line fault rapid location device of the utility model;

[0017] Explanation of the reference numerals: 1. outer shield; 1-1. main shield; 1-2. bolt; 1-3. bottom plate; 2. first mounting seat; 3. first groove wheel; 4. first motor; 5. second mounting seat; 6. second groove wheel; 7. second motor; 8. first connecting rod; 9. first spring; 10. first limiting nut; 11. third mounting seat; 12. third groove wheel; 13. third motor; 14. fourth mounting seat; 15. fourth groove wheel; 16. fourth motor; 17. second connecting rod; 18. second spring; 19. second limiting nut; 20. infrared detector; 21. battery. DETAILED DESCRIPTION

[0018] like Figure 1-Figure 3 As shown, a device for quickly locating faults of overhead lines is characterized by comprising an outer protective cover 1.

[0019] Two first mounting seats 2 with L-shaped cross sections are symmetrically fixedly installed in the middle of the upper part of one end of the outer shield 1, a first sheave 3 is rotatably installed between the two first mounting seats 2, and a first motor 4 for driving the first sheave 3 to rotate is fixedly installed on the outside of one of the first mounting seats. Second mounting seats 5 with L-shaped cross sections are respectively adjustable below the two first mounting seats 2, a second sheave 6 is rotatably installed between the two second mounting seats 5, and a second motor 7 for driving the second sheave 6 to rotate is fixedly installed on the outside of one of the second mounting seats 5, and the second sheave 6 and the first sheave 5 are located on the same vertical plane.

[0020] In this embodiment, a vertical first connecting rod 8 is fixedly provided at the bottom of each first mounting seat 2, and each first connecting rod 8 is slidably matched with a through hole opened at the top of the corresponding second mounting seat 2. A first spring 9 is sleeved on the first connecting rod 8 at a position below the top plate of the second mounting seat 2, and an external thread is opened on the peripheral wall of each first connecting rod 8, and a first limiting nut 10 threadedly connected to the first spring 9 is installed at a position close to the end of the first spring 9.

[0021] Two third mounting seats 11 with L-shaped cross sections are symmetrically fixedly arranged in the middle of one side of the other end of the outer shield 1, a third sheave 12 is rotatably mounted between the two third mounting seats 11, and a third motor 13 for driving the third sheave 12 to rotate is fixedly mounted on the outside of one of the third mounting seats 11. Fourth mounting seats 14 with L-shaped cross sections are adjustable at the ends of the two third mounting seats 11, a fourth sheave 15 is rotatably mounted between the two fourth mounting seats 14, and a fourth motor 16 for driving the fourth sheave 15 to rotate is fixedly mounted on the outside of one of the fourth mounting seats 14, and the fourth sheave 15 and the third sheave 12 are located on the same horizontal plane.

[0022] In this embodiment, a horizontal second connecting rod 17 is fixedly provided at the end of each of the third mounting seats 11, and each of the second connecting rods 17 is slidably matched with a through hole provided at the end of the corresponding fourth mounting seat 14. The second connecting rod 17 is sleeved with a second spring 18 at a position located inside the end plate of the fourth mounting seat 14, and an external thread is provided on the peripheral wall of each of the second connecting rods 17, and a second limiting nut 19 threadedly connected to the second spring 18 is installed at the end of the second spring 18.

[0023] Two infrared detectors 20 are symmetrically installed on both sides of the middle of the outer protective cover 1.

[0024] As a further improvement of the present invention, the outer shield 1 comprises a main shield body 1-1 with an inverted U-shaped cross section, and bottom plates 1-3 are detachably mounted on both ends of the bottom of the main shield body 1-1 through two pairs of bolts 1-2.

[0025] In addition, a battery 21 is disposed at the lower portion of the base plate 1 - 2 , and the first motor 4 , the second motor 7 , the third motor 13 , the fourth motor 16 and the two infrared detectors 20 are all electrically connected to the battery 21 .

[0026] When the utility model is working, the first sheave 3 and the second sheave 4 are installed on the upper and lower sides of the line to be detected, and the third sheave 12 and the fourth sheave 15 are installed on the left and right sides of the line to be detected. When each motor drives the corresponding sheave to rotate, the entire device can move along the overhead line. Two infrared detectors use infrared thermal images of specific wavelengths to scan the surface of the line, thereby detecting temperature changes and abnormalities on the surface of the line, which is conducive to automatic and rapid positioning of overhead line faults, eliminating safety hazards and improving positioning efficiency. In addition, the spacing between the first sheave and the second sheave can be adjusted according to the outer diameter of the line, so as to adapt to the fault positioning of lines of different specifications.

[0027] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A device for quickly locating faults in overhead lines, characterized in that: The invention comprises an outer shield, wherein two first mounting seats with L-shaped cross sections are symmetrically fixedly arranged in the middle of the upper part of one end of the outer shield, a first groove wheel is rotatably arranged between the two first mounting seats, and a first motor for driving the first groove wheel to rotate is arranged on the outside of one of the first mounting seats; second mounting seats with L-shaped cross sections are respectively adjustable below the two first mounting seats, a second groove wheel is rotatably arranged between the two second mounting seats, and a second motor for driving the second groove wheel to rotate is arranged on the outside of one of the second mounting seats, and the second groove wheel and the first groove wheel are located on the same vertical plane; Two third mounting seats with L-shaped cross-sections are symmetrically fixed in the middle of one side, a third groove wheel is rotatably arranged between the two third mounting seats, and a third motor for driving the third groove wheel to rotate is arranged on the outside of one of the third mounting seats; fourth mounting seats with L-shaped cross-sections are adjustably arranged at the ends of the two third mounting seats, a fourth groove wheel is rotatably arranged between the two fourth mounting seats, and a fourth motor for driving the fourth groove wheel to rotate is arranged on the outside of one of the fourth mounting seats, and the fourth groove wheel and the third groove wheel are located on the same horizontal plane; two infrared detectors are symmetrically arranged on both sides of the middle of the outer shield.

2. The device for quickly locating an overhead line fault according to claim 1, characterized in that: The outer shield comprises a main shield body with an inverted U-shaped cross section, and bottom plates are detachably provided at both ends of the bottom of the main shield body through two pairs of bolts.

3. The device for quickly locating an overhead line fault according to claim 2, characterized in that: A storage battery is arranged at the lower part of the bottom plate, and the first motor, the second motor, the third motor, the fourth motor and the two infrared detectors are all electrically connected to the storage battery.

4. The device for quickly locating an overhead line fault according to claim 1, characterized in that: A vertical first connecting rod is fixedly provided at the bottom of each first mounting seat, and each first connecting rod is slidably matched with a through hole opened at the top of the corresponding second mounting seat. The first connecting rod is sleeved with a first spring at a position below the top plate of the second mounting seat, and an external thread is opened on the peripheral wall of each first connecting rod, and a first limiting nut threadedly connected to the first spring is provided at a position near the end of the first spring.

5. The device for quickly locating an overhead line fault according to claim 1, characterized in that: A horizontal second connecting rod is fixedly provided at the end of each of the third mounting seats, and each of the second connecting rods is slidably matched with a through hole opened at the corresponding end of the fourth mounting seat. The second connecting rod is sleeved with a second spring at a position located on the inner side of the end plate of the fourth mounting seat, and an external thread is opened on the peripheral wall of each of the second connecting rods, and a second limit nut threadedly connected to the second spring is provided at the end of the second spring.

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