Skin damage detection device for overhead conductor

Abstract

The utility model discloses an overhead conductor skin damage detection device, which comprises a base, clamping seats and a detection seat, the clamping seats are respectively and symmetrically arranged at two ends above the base, two groups of guide wheels are arranged in each group of clamping seats, and an overhead conductor is movably clamped in the two groups of guide wheels. The detection seat is fixedly mounted above the base between the two groups of clamping seats, a detection hole is formed in the detection seat, an overhead conductor penetrates through the detection hole, a plurality of groups of detection blocks are annularly arrayed in the detection hole, the detection blocks are radially and movably arranged in the detection hole of the detection seat, and a limiting groove is formed in the inner end of each detection block; a ball is movably arranged at an opening of the limiting groove in a limiting mode, the other end of the ball is connected with a pressure sensor in the limiting groove through a buffer spring, and the outer side of the ball is attached to the skin of the overhead conductor. The device has the advantages that the clamping pressure of the guide wheels at the two ends can be adjusted, so that the device is suitable for different overhead conductors, the detection efficiency is better, and the detection effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire detection technical field, especially in overhead conductor's skin breakage detection device. BACKGROUND

[0002] Overhead conductor is by tower and erects the line of wire transmission electric energy at certain height, because the development of society, at present, the complex urban distribution environment, often short circuit and lightning line condition occurs, leading to power supply reliability reduces.

[0003] In order to prevent the short circuit of wire, the traditional bare wire is avoided in the line laying, and the insulating wire is generally covered outside the wire, thereby improving the service life of wire, preventing the wire from being short-circuited or short-circuited.

[0004] And the current cable skin detection means is mostly artificial detection, and the detection efficiency is low, and the detection speed is slow, and it is not suitable for large quantities of cable detection work, in addition, the current detection equipment needs to set up a guide roller at both ends of the cable, and the pressure between the guide roller and the cable is too large, which causes the cable to be difficult to pull, and even the friction effect between the guide roller and the cable skin can further damage the cable skin, resulting in the cable breakage. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an overhead conductor skin breakage detection device, which can adjust the clamping pressure of the two guide wheels, thereby adapting to different overhead conductors, and the detection efficiency and effect are better.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] An overhead conductor skin breakage detection device, characterized in that it comprises a base, a clamping seat and a detection seat, the clamping seats are symmetrically installed at the upper two ends of the base, two groups of guide wheels are arranged in each clamping seat, the overhead conductor is movably clamped in the two groups of guide wheels, the detection seat is fixedly installed above the base between the two groups of clamping seats, a detection hole is formed in the detection seat, the overhead conductor penetrates through the detection hole, a plurality of detection blocks are arranged in the detection hole in the form of an annular array, the detection blocks are movably arranged in the detection hole of the detection seat in the radial direction, a limiting groove is formed in the inner end of the detection block, a ball is movably arranged in the opening of the limiting groove, the other end of the ball is connected to a pressure sensor through a buffer spring in the limiting groove, and the outer side of the ball is attached to the skin of the overhead conductor.

[0008] Preferably, each group of the clamping seats is provided with a group of mounting seats above and below the two groups of guide wheels, each group of the mounting seats is provided with a group of movable grooves, and the two groups of guide wheels are movably provided with a sliding block at the upper and lower ends, respectively.

[0009] Preferably, a screw rod is movably arranged in the movable groove above the guide wheel, two groups of mutually opposite threads are symmetrically arranged on the screw rod, the sliding blocks at the upper ends of the two groups of guide wheels are respectively connected to the two groups of threads on the screw rod in a transmission mode, and one end of the screw rod is further connected to a transmission motor through a bevel gear in the movable groove, and the transmission motor is fixedly arranged on the mounting seat.

[0010] Preferably, a guide rod is fixedly arranged in the movable groove below the guide wheel, and the sliding blocks at the lower ends of the two groups of guide wheels are movably arranged on the guide rod.

[0011] Preferably, an annular groove is arranged in the detection seat along the circumference of the detection hole, a plurality of limiting grooves are arranged in the annular groove corresponding to each group of detection blocks, the plurality of limiting grooves are radially arranged at equal intervals, and each group of detection blocks is radially movable in the corresponding limiting groove.

[0012] Preferably, an annular adjusting block is movably arranged in the annular groove, an arc-shaped groove is arranged in the annular adjusting block corresponding to each group of detection blocks, and the arc-shaped grooves are obliquely arranged in the annular adjusting block, and each group of detection blocks is movably provided with a sliding column in the corresponding arc-shaped groove.

[0013] Preferably, a first gear is fixedly arranged at the outer end of the annular adjusting block in the annular groove, a second gear is arranged on the top of the detection seat and in transmission engagement with the first gear, the first gear is connected to a driving motor, and the driving motor is fixedly connected to the top of the detection seat.

[0014] Preferably, a marking nozzle is fixedly arranged on the detection seat on the movable downstream side of the overhead line through a fixing seat, and the marking nozzle faces the overhead line.

[0015] Preferably, the marking nozzle is horizontally arranged in front of or behind the overhead line, and the marking nozzle is electrically connected to the pressure sensor in the detection block.

[0016] In summary, the utility model has the following beneficial effects:

[0017] The utility model discloses a screw realizes the relative synchronous movement of two sets of guide wheels to complete the clamping of overhead conductor of different diameters, and meanwhile avoids the additional damage to the skin of overhead conductor. The utility model discloses the radial movement of annular adjusting block cooperation detection block to realize the skin contact of overhead conductor of same diameter, and realizes the inward movement of the ball under pressure, to complete the adhesion detection, once finding the skin breakage of overhead conductor, the ball will outwardly move and displace, resulting in the change of the value of pressure sensor, which can realize the identification of skin breakage, and the subsequent control marking nozzle first sprays marking, and then sprays for the second time after the short interval after the movement of overhead conductor, to complete the preliminary marking of the skin breakage, which is convenient for the subsequent staff to find and judge. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole front view structure schematic diagram of the utility model discloses;

[0019] Fig. 2 It is the whole side view structure schematic diagram of the utility model discloses;

[0020] Fig. 3 It is the inside structure schematic diagram of the utility model discloses the clamping seat;

[0021] Fig. 4 It is the outside structure schematic diagram of the utility model discloses the detection seat;

[0022] Fig. 5 It is the inside structure schematic diagram of the utility model discloses the detection seat;

[0023] Fig. 6 It is the inside structure schematic diagram of the utility model discloses the detection block;

[0024] In the drawing: 1-base, 2-clamping seat, 3-detection seat, 4-guide wheel, 5-overhead conductor, 6-detection hole, 7-detection block, 8-limit slot, 9-ball, 10-buffer spring, 11-pressure sensor, 12-mounting seat, 13-movable slot, 14-sliding block, 15-screw, 16-bevel gear, 17-transmission motor, 18-guide rod, 19-annular groove, 20-annular adjusting block, 21-arc slot, 22-sliding column, 23-first gear, 24-second gear, 25-driving motor, 26-marking nozzle, 27-limit slot. DETAILED DESCRIPTION

[0025] The specific implementation of the utility model will be further explained in combination with the drawings, and the embodiment does not constitute the limitation of the utility model.

[0026] As Figs. 1 to 6The device for detecting the skin damage of an overhead conductor shown in the application comprises a base 1, clamping seats 2 and a detection seat 3. The clamping seats 2 are symmetrically installed on the upper two ends of the base 1, each set of the clamping seats 2 is provided with two sets of guide wheels 4, the overhead conductor 5 is movably clamped in the two sets of guide wheels 4, the detection seat 3 is fixedly installed on the upper part of the base 1 between the two sets of clamping seats 2, the detection seat 3 is provided with a detection hole 6, the overhead conductor 5 penetrates through the detection hole 6, a plurality of detection blocks 7 are arranged in an annular array in the detection hole 6 of the detection seat 3, the detection blocks 7 are movably arranged in the detection hole 6 of the detection seat 3 in a radial direction, a limiting groove 8 is formed in the inner end of the detection block 7, a ball 9 is movably arranged at the opening of the limiting groove 8, a pressure sensor 11 is connected to the other end of the ball 9 in the limiting groove 8 through a buffer spring 10, and the outer side of the ball 9 is attached to the skin of the overhead conductor 5.

[0027] A set of mounting seats 12 is arranged above and below each set of the clamping seats 2, a set of movable grooves 13 is formed in each set of the mounting seats 12, and a sliding block 14 is movably installed at the upper and lower ends of the two sets of guide wheels 4, and the sliding block 14 is horizontally slidably arranged in the movable groove 13.

[0028] A screw rod 15 is horizontally rotatably installed in the movable groove 13 above the guide wheel 4, two sets of mutually opposite threads are symmetrically arranged on the screw rod 15, the sliding blocks 14 at the upper ends of the two sets of guide wheels 4 are respectively in transmission connection with the two sets of threads on the screw rod 15, and a transmission motor 17 is further in transmission connection with one end of the screw rod 15 in the movable groove 13 through a bevel gear 16. The transmission motor 17 is fixedly installed on the mounting seat 12, the screw rod 15 is rotated by the transmission motor 17 to complete the relative synchronous movement of the two sets of guide wheels 4, and then the clamping of the overhead conductor 5 is completed.

[0029] A guide rod 18 is horizontally fixedly installed in the movable groove 13 below the guide wheel 4, and the sliding blocks 14 at the lower ends of the two sets of guide wheels 4 are movably sleeved on the guide rod 18.

[0030] An annular groove 19 is arranged in the detection seat 3 along the circumferential direction of the detection hole 6, a plurality of limiting grooves 27 are formed in the annular groove 19 corresponding to each set of the detection blocks 7, the plurality of limiting grooves 27 are radially arranged at equal intervals, and each set of the detection blocks 7 is radially movably arranged in the corresponding limiting groove 27.

[0031] An annular adjusting block 20 is limitingly rotatably arranged in the annular groove 19, an arc-shaped groove 21 is formed in the annular adjusting block 20 corresponding to each set of the detection blocks 7, the arc-shaped grooves 21 are obliquely arranged along the annular adjusting block 20, a sliding column 22 is limitingly slidably arranged in the arc-shaped groove 21 corresponding to each set of the detection blocks 7, the radial adjustment of the detection blocks 7 is realized by rotating the annular groove 19 to drive the sliding column 22 to slide, and then the skin attachment detection of the overhead conductor 5 is completed.

[0032] The outer end of the annular adjusting block 20 is fixedly provided with a first gear 23 in the annular groove 19, a second gear 24 is arranged on the top of the detection seat 3 and is in transmission engagement with the first gear 23, the first gear 23 is in transmission connection with a driving motor 25, the driving motor 25 is fixedly connected with the top of the detection seat 3, and the rotation of the annular adjusting block 20 is realized through the driving motor 25, so that the radial adjustment of the detection block 7 is realized.

[0033] The detection seat 3 is fixedly provided with a marking spray head 26 on the active downstream side of the overhead conductor 5 through a fixing seat, the marking spray head 26 faces the overhead conductor 5, the marking spray head 26 is horizontally arranged in front of or behind the overhead conductor 5, and the marking spray head 26 is in electrical connection with the pressure sensor 11 in the detection block 7; after the pressure sensor 11 detects the surface damage, the marking spray head 26 sprays a mark in the front of the damage first, and sprays a mark in the rear of the damage again after a short delay.

[0034] The utility model discloses a screw rod 15 realizes the relative synchronous movement of two groups of guide wheels 4, thereby completing the clamping of overhead conductors 5 with different diameters, and simultaneously avoiding the additional damage to the surface of the overhead conductor 5.

[0035] The utility model discloses a screw rod 15 realizes the relative synchronous movement of two groups of guide wheels 4, thereby completing the clamping of overhead conductors 5 with different diameters, and simultaneously avoiding the additional damage to the surface of the overhead conductor 5.

[0036] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and the person skilled in the art can make various modifications or equivalent replacements to the utility model within the utility model's essence and protection scope, and the modification or equivalent replacement should be regarded as falling within the protection scope of the utility model technical scheme.

Claims

1. A device for detecting surface damage to overhead power lines, characterized in that, The device includes a base, a clamping seat, and a detection seat. The clamping seats are symmetrically installed at both ends of the upper part of the base. Each set of clamping seats has two sets of guide wheels, and an overhead wire is movably clamped within the two sets of guide wheels. The detection seat is fixedly installed above the base between the two sets of clamping seats. The detection seat has a detection hole, through which the overhead wire passes. Multiple sets of detection blocks are arranged in a circular array within the detection hole. The detection blocks are radially movable within the detection hole of the detection seat. A limiting groove is opened at the inner end of the detection block. A ball is movably positioned at the opening of the limiting groove. The other end of the ball is connected to a pressure sensor within the limiting groove via a buffer spring. The outer side of the ball is in contact with the outer sheath of the overhead wire.

2. The device for detecting surface damage to overhead power lines according to claim 1, characterized in that: Each set of clamping seats has a set of mounting seats above and below the two sets of guide wheels. Each set of mounting seats has a set of movable slots. A slider is movably mounted at both ends of the two sets of guide wheels. The sliders are respectively horizontally slidably disposed in the movable slots.

3. The device for detecting surface damage to overhead power lines according to claim 2, characterized in that: A screw is horizontally rotatably installed in the movable groove above the guide wheel. Two sets of mutually opposite threads are symmetrically arranged on the screw. The sliders at the upper ends of the two guide wheels are respectively connected to the two sets of threads on the screw. One end of the screw is also connected to a drive motor through a bevel gear in the movable groove. The drive motor is fixedly installed on the mounting base.

4. The device for detecting surface damage to overhead power lines according to claim 2, characterized in that: A guide rod is horizontally fixedly installed in the movable groove below the guide wheel, and the sliders at the lower ends of the two sets of guide wheels are movably sleeved on the guide rod.

5. The device for detecting surface damage to overhead power lines according to claim 1, characterized in that: An annular groove is provided inside the detection seat along the circumferential direction of the detection hole. Multiple sets of limiting grooves are opened in the annular groove for each group of detection blocks. The multiple sets of limiting grooves are arranged radially at equal intervals. Each group of detection blocks moves radially along the inside of the corresponding limiting groove.

6. The device for detecting surface damage to overhead power lines according to claim 5, characterized in that: An annular adjusting block is provided for rotatable limitation within the annular groove. An arc-shaped groove is provided within the annular adjusting block for each group of detection blocks. The arc-shaped grooves are arranged obliquely along the annular adjusting block. A sliding column is provided for slidable limitation within the corresponding arc-shaped groove for each group of detection blocks.

7. The device for detecting surface damage to overhead power lines according to claim 6, characterized in that: The outer end of the annular adjusting block is fixedly fitted with a first gear in the annular groove. A second gear is provided on the top of the detection seat and is meshed with the first gear. The first gear is connected to a drive motor, and the drive motor is fixedly connected to the top of the detection seat.

8. The device for detecting surface damage to overhead power lines according to claim 1, characterized in that: The detection seat has a marking nozzle fixedly installed on the downstream side of the overhead conductor via a fixing seat, and the marking nozzle faces the overhead conductor.

9. The device for detecting surface damage to overhead power lines according to claim 8, characterized in that: The marking nozzle is horizontally positioned in front of or behind the overhead conductor, and the marking nozzle is electrically connected to the pressure sensor inside the detection block.

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