Partial discharge detection device for overhead insulated wire

Abstract

The utility model relates to the technical field of insulated wire discharge detection equipment, and particularly discloses a partial discharge detection device for an overhead insulated wire, which comprises a mounting ring, an opening is formed in the top of the mounting ring, two electric telescopic rods are symmetrically mounted on the inner wall of the mounting ring, and clamping pieces are mounted at the tail ends of piston rods of the electric telescopic rods. According to the utility model, the universal balls on the side surfaces of the two clamping sheets are utilized to clamp the overhead insulated wire, and the universal balls roll along the overhead insulated wire, so that the mounting ring moves along the overhead insulated wire to carry out discharge detection on the overhead insulated wire; when discharge detection is carried out on the overhead insulated wire, the discharge detection can be carried out on the overhead insulated wire without holding a manual multi-stage telescopic rod by a worker, and the discharge detection can be carried out on the overhead insulated wire only by pulling a connecting rope to move by the worker so that the mounting ring can move along the overhead insulated wire, so that the working intensity of the worker is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to insulating wire discharge detection equipment technical field especially relates to a kind of overhead insulating wire partial discharge detection device. BACKGROUND

[0002] When partial discharge, the insulating medium around the discharge point will produce mechanical vibration due to energy release, and then emit ultrasonic waves, by installing ultrasonic sensor at the tower or nearby position of overhead insulating wire, these ultrasonic signals can be received.

[0003] After searching, it is found that the Chinese patent with application number 202022614272.4 discloses an "ultrasonic partial discharge detection rod, comprising an insulating rod and a probe fixing device arranged on the upper end of the insulating rod; the probe fixing device comprises a probe fixing seat, a limiting seat and a mounting seat, the probe fixing seat is arranged in the limiting seat, a ball hinge structure is arranged in the limiting seat, the ball hinge structure comprises a ball seat, a ball head arranged in the ball seat and a ball rod integrally formed with the ball head, the ball rod is threadedly connected with the probe fixing seat, the limiting seat is arranged in the mounting seat, and the mounting seat is mounted on the insulating rod"; but the above-mentioned ultrasonic partial discharge detection rod needs the staff to hold the insulating rod for a long time to detect the partial discharge of overhead insulating wire, and the staff will be tired for a long time to hold the insulating rod, which increases the labor intensity of the staff, therefore, in order to solve such problems, an overhead insulating wire partial discharge detection device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides an overhead insulating wire partial discharge detection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An overhead insulating wire partial discharge detection device, comprising a mounting ring, an opening is formed in the top of the mounting ring, two electric telescopic rods are symmetrically mounted on the inner wall of the mounting ring, a clamping piece is mounted at the end of the piston rod of the electric telescopic rod, arc-shaped grooves which are in close contact with the outer wall of the overhead insulating wire are formed on the opposite surfaces of the two clamping pieces, a plurality of universal ball bearings are rollingly mounted in the arc-shaped grooves, the arc-shaped grooves and the mounting ring have the same center, a plurality of second mounting plates are mounted on the inner wall of the mounting ring, ultrasonic sensors are mounted on the side surface of the second mounting plate, and a lifting mechanism for supporting the mounting ring is arranged at the bottom of the outer wall of the mounting ring.

[0007] Preferably, the lifting mechanism comprises a mounting disc, a manual multi-stage telescopic rod is mounted on the top of the mounting disc, and the end of the piston rod of the manual multi-stage telescopic rod is fixedly connected with the bottom of the outer wall of the mounting ring.

[0008] Preferably, the mounting disc is provided with a PLC controller, and the PLC controller is electrically connected with the two electric telescopic rods.

[0009] Preferably, the bottom of the mounting disc is provided with a handle, and the outer wall of the handle is provided with a rubber sleeve.

[0010] Preferably, the outer wall of the mounting ring is provided with a lifting ring, and the lifting ring is connected with a connecting rope.

[0011] Preferably, the bottom of the outer wall of the mounting ring is provided with a reinforcing block, and the piston rod of the manual multi-stage telescopic rod is connected with the reinforcing block.

[0012] Preferably, the side of the second mounting plate is provided with a mounting groove, and the ultrasonic sensor is mounted in the mounting groove.

[0013] Preferably, the inner wall of the mounting ring is symmetrically provided with two first mounting plates, the two electric telescopic rods are respectively mounted on the sides of the two first mounting plates, the two clamping pieces are respectively provided with a mounting piece on the side away from each other, and the piston rods of the two electric telescopic rods are respectively connected with the two mounting pieces.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1: In the utility model, the universal ball bearings on the sides of the two clamping pieces can clamp the overhead insulated wire, and the universal ball bearings can roll along the overhead insulated wire to move the mounting ring along the overhead insulated wire to perform discharge detection on the overhead insulated wire.

[0016] 2: In the utility model, the piston rod of the electric telescopic rod pushes the clamping piece to move, so that the two clamping pieces move towards each other, the two clamping pieces clamp the overhead insulated wire, the universal ball bearings on the sides of the clamping pieces clamp the overhead insulated wire, and the ultrasonic sensor mounted on the side of the second mounting plate of the inner wall of the mounting ring can perform discharge detection on the overhead insulated wire. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a first view structure schematic view of the overhead insulated wire partial discharge detection device.

[0018] Figure 2 It is a second view structure schematic view of the overhead insulated wire partial discharge detection device.

[0019] Figure 3A third view angle structural schematic view of the overhead insulated wire partial discharge detection device is provided in the utility model.

[0020] Figure 4 A connection schematic view of the mounting ring and the first mounting plate of the overhead insulated wire partial discharge detection device is provided in the utility model.

[0021] Figure 5 A connection schematic view of the mounting piece and the clamping piece of the overhead insulated wire partial discharge detection device is provided in the utility model.

[0022] In the figure: 1, mounting ring; 2, opening; 3, reinforcing block; 4, manual multi-stage telescopic rod; 5, mounting disc; 6, handle; 7, rubber sleeve; 8, lifting ring; 9, connecting rope; 10, first mounting plate; 11, electric telescopic rod; 12, clamping piece; 13, universal ball; 14, second mounting plate; 15, ultrasonic sensor; 16, mounting piece; 17, mounting groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Referring to Figures 1-5 An overhead insulated wire partial discharge detection device includes a mounting ring 1, the top of the mounting ring 1 is provided with an opening 2, two electric telescopic rods 11 are symmetrically installed on the inner wall of the mounting ring 1, the piston rod tail end of the electric telescopic rod 11 is installed with a clamping piece 12, the opposite surfaces of the two clamping pieces 12 are both provided with an arc-shaped groove that is in close contact with the outer wall of the overhead insulated wire, a plurality of universal balls 13 are installed in the arc-shaped groove and roll, the arc-shaped groove and the mounting ring 1 have the same center, a plurality of second mounting plates 14 are installed on the inner wall of the mounting ring 1, the ultrasonic sensor 15 is installed on the side surface of the second mounting plate 14, and the bottom of the outer wall of the mounting ring 1 is provided with a lifting mechanism for supporting the mounting ring 1.

[0025] As a technical optimization scheme of the utility model, the lifting mechanism includes a mounting disc 5, the top of the mounting disc 5 is installed with a manual multi-stage telescopic rod 4, the piston rod tail end of the manual multi-stage telescopic rod 4 is fixedly connected with the bottom of the outer wall of the mounting ring 1, the manual multi-stage telescopic rod 4 can conveniently lift the mounting ring 1, and thus the overhead insulated wire enters the inner ring of the mounting ring 1 through the opening 2.

[0026] As a technical optimization scheme of the utility model, a PLC controller is installed on the mounting disc 5, the PLC controller is electrically connected with the two electric telescopic rods 11, and the PLC controller can conveniently control the two electric telescopic rods 11.

[0027] As a technical optimization scheme of the utility model, the handle 6 is externally sleeved with a rubber sleeve 7, the handle 6 can be conveniently held by the staff, and the rubber sleeve 7 can increase the friction between the handle 6 and the palm of the staff, so that the staff can hold the handle 6 more stably.

[0028] As a technical optimization scheme of the utility model, the mounting disc 5 is externally provided with a lifting ring 8, and the lifting ring 8 is connected with a connecting rope 9, so that the connecting rope 9 can be conveniently connected with the mounting disc 5.

[0029] As a technical optimization scheme of the utility model, the mounting ring 1 is externally provided with a reinforcing block 3, and the piston rod tail end of the manual multi-stage telescopic rod 4 is connected with the reinforcing block 3, so that the piston rod tail end of the manual multi-stage telescopic rod 4 can be conveniently connected with the mounting ring 1.

[0030] As a technical optimization scheme of the utility model, the second mounting plate 14 is externally provided with a mounting groove 17, and the ultrasonic sensor 15 is mounted in the mounting groove 17, so that the mounting groove 17 can provide a mounting position for the ultrasonic sensor 15.

[0031] As a technical optimization scheme of the utility model, the mounting ring 1 is internally provided with two first mounting plates 10, two electric telescopic rods 11 are mounted on the side faces of the two first mounting plates 10 respectively, two mounting plates 16 are mounted on the sides, away from each other, of the two clamping pieces 12 respectively, and the piston rod tail ends of the two electric telescopic rods 11 are connected with the two mounting plates 16 respectively, so that the mounting plates 16 can conveniently connect the piston rods of the electric telescopic rods 11 with the clamping pieces 12.

[0032] The utility model discloses a manual multi -stage telescopic rod 4 is opened to the staff, makes the overhead insulated wire through the opening 2 on the installation ring 1 enter the installation ring 1, and makes the overhead insulated wire be located between two clamping pieces 12, and simultaneously starts two electric telescopic rods 11, and the piston rod of electric telescopic rod 11 pushes the movement of clamping piece 12, makes two clamping pieces 12 do mutual close movement, utilizes two clamping pieces 12 to the clamping of overhead insulated wire, and then utilizes the clamping of the universal ball bearing 13 of clamping piece 12 side to the clamping of overhead insulated wire, utilizes the ultrasonic sensor 15 of second mounting plate 14 side installation on the inner wall of installation ring 1 can carry out the discharge detection of overhead insulated wire, utilizes two clamping pieces 12 to the clamping of overhead insulated wire, can drive the movement of installation ring 1 by pulling the connecting rope 9, and two clamping pieces 12 carry out the clamping of overhead insulated wire, when installation ring 1 moves, can make clamping piece 12 move, make the rolling of universal ball bearing 13 along overhead insulated wire, and then make the movement of installation ring 1 along overhead insulated wire, cooperate ultrasonic sensor 15 can carry out the discharge detection of overhead insulated wire, and it utilizes the clamping of the universal ball bearing 13 of two clamping piece 12 side, and the rolling of universal ball bearing 13 along overhead insulated wire can make the movement of installation ring 1 along overhead insulated wire and carry out the discharge detection of it, it does not need the staff to hold the manual multi -stage telescopic rod 4 when carrying out the discharge detection of overhead insulated wire, and only needs the staff to pull the connecting rope 9 and moves, can make the movement of installation ring 1 along overhead insulated wire and carry out the discharge detection of overhead insulated wire, reduce the working strength of staff.

[0033] After the discharge detection of overhead insulated wire is finished, start two electric telescopic rods 11 again, make two clamping pieces 12 do mutual far movement and can release the clamping of overhead insulated wire, remove the opening 2 on the installation ring 1 from the overhead insulated wire and can.

[0034] The above, only for the preferable specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed in the utility model, according to the technical scheme of the utility model and the utility model concept, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. An overhead insulated wire partial discharge detection device comprising a mounting ring (1), characterized in that, The mounting ring (1) is provided with an opening (2) at the top, two electric telescopic rods (11) are symmetrically mounted on the inner wall of the mounting ring (1), a clamping piece (12) is mounted at the end of the piston rod of the electric telescopic rod (11), arc-shaped grooves which are in close contact with the outer wall of the overhead insulated wire are formed on the opposite sides of the two clamping pieces (12), a plurality of universal ball bearings (13) are rollingly mounted in the arc-shaped grooves, the arc-shaped grooves and the mounting ring (1) have the same center, a plurality of second mounting plates (14) are mounted on the inner wall of the mounting ring (1), an ultrasonic sensor (15) is mounted on the side surface of the second mounting plate (14), and a lifting mechanism for supporting the mounting ring (1) is arranged at the bottom of the outer wall of the mounting ring (1).

2. The partial discharge detection device for overhead insulated lines according to claim 1, characterized in that The lifting mechanism comprises a mounting disc (5), and a manual multi-stage telescopic rod (4) is mounted at the top of the mounting disc (5), and the end of the piston rod of the manual multi-stage telescopic rod (4) is fixedly connected with the bottom of the outer wall of the mounting ring (1).

3. The partial discharge detection device for overhead insulated lines according to claim 2, characterized in that A PLC controller is mounted on the mounting disc (5) and electrically connected with the two electric telescopic rods (11).

4. The partial discharge detection device for overhead insulated lines according to claim 2, characterized in that A handle (6) is mounted at the bottom of the mounting disc (5), and a rubber sleeve (7) is sleeved on the outer wall of the handle (6).

5. The partial discharge detection device for overhead insulated lines according to claim 2, characterized in that A lifting ring (8) is mounted on the outer wall of the mounting disc (5) and connected with a connecting rope (9).

6. The partial discharge detection device for overhead insulated lines according to claim 2, characterized in that A reinforcing block (3) is mounted at the bottom of the outer wall of the mounting ring (1), and the end of the piston rod of the manual multi-stage telescopic rod (4) is connected with the reinforcing block (3).

7. The partial discharge detection device for overhead insulated lines according to claim 1, characterized in that An installation groove (17) is formed in the side surface of the second mounting plate (14), and the ultrasonic sensor (15) is mounted in the installation groove (17).

8. The partial discharge detection device for overhead insulated lines according to claim 1, characterized in that Two first mounting plates (10) are symmetrically mounted on the inner wall of the mounting ring (1), the two electric telescopic rods (11) are respectively mounted on the side surfaces of the two first mounting plates (10), mounting pieces (16) are mounted on the sides of the two clamping pieces (12) which are away from each other, and the ends of the piston rods of the two electric telescopic rods (11) are respectively connected with the two mounting pieces (16).

Images