CN212905243U

CN212905243U - Ultrasonic wave partial discharge signal simulation device

Info

Publication number: CN212905243U
Application number: CN202021791786.0U
Authority: CN
Inventors: 张辉
Original assignee: Wuhan Guoneng Measurement & Control Co ltd
Current assignee: Wuhan Guoneng Measurement & Control Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-06
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a signal analogue means is put in ultrasonic wave office, including base, power cable and motor, the equal fixedly connected with fixed stop in both ends about the base, and fixed stop's middle part has seted up the spout, sliding connection has the stopper on the spout, and the inside laminating of stopper is connected with power cable, the upper end sliding connection of base has the slide, and the inside of slide rotates and is connected with the gear, fixedly connected with pivot between the monomer around the gear, and the front end of the gear of front end passes through bolt fixedly connected with motor, the lower extreme fixedly connected with slider of slide, and the slider is at the middle part sliding connection of base, the upper end of slide is rotated and is connected with the worm wheel, the lower extreme of worm wheel is connected with the worm. This signal analogue means is put in ultrasonic wave office, convenient stable detects cable power to and convenient and power cable's the department of discharging carries out accurate detection, also conveniently installs analogue means simultaneously and dismantles.

Description

Ultrasonic wave partial discharge signal simulation device

Technical Field

The utility model relates to a signal analogue means is put in ultrasonic wave office relates to the technical field, specifically is a signal analogue means is put in ultrasonic wave office.

Background

High-voltage power equipment is one of the most important equipment in a power grid, partial discharge is a sign and an expression form of insulation damage of the high-voltage power equipment, if the partial discharge exists for a long time, the equipment aging is accelerated to cause the insulation damage, and an ultrasonic partial discharge signal simulation device simulates the condition of power discharge in advance so as to facilitate the actual operation detection.

However, when the general ultrasonic partial discharge signal simulation device is used, it is inconvenient to stably detect the power of the cable, and to accurately detect the discharge position of the power cable, and it is also inconvenient to assemble and disassemble the simulation device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a signal analogue means is put in ultrasonic wave office to solve general ultrasonic wave office that proposes in the above-mentioned background art and put signal analogue means, when using, inconvenient stable detects cable power, and inconvenient and power cable's the department of discharging carries out accurate detection, also is inconvenient simultaneously to install the problem of dismantling analogue means.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a signal analogue means is put in ultrasonic wave office, includes base, power cable and motor, the equal fixedly connected with fixed stop in both ends about the base, and fixed stop's middle part has seted up the spout, sliding connection has the stopper on the spout, and the inside laminating of stopper is connected with power cable, the upper end sliding connection of base has the slide, and the inside rotation of slide is connected with the gear, fixedly connected with pivot between the monomer around the gear, and the front end of the gear of front end passes through bolt fixedly connected with motor, the lower extreme fixedly connected with slider of slide, and the slider is at the middle part sliding connection of base, the upper end of slide is rotated and is connected with the worm wheel, and fixedly connected with grip block on the worm wheel, the lower extreme of worm wheel is connected with the worm, and the front end fixedly connected with crank of worm.

Preferably, the upper sides of the front end and the rear end of the base are both in a sawtooth structure, and the sliding plate forms a left-right sliding structure on the base through a gear.

Preferably, the limiting blocks are arranged in a bilateral symmetry mode about the central axis of the power cable, the limiting blocks are fixedly connected with the fixing holes through bolts, and the fixing holes are formed in the fixing baffle at equal intervals.

Preferably, the worm and the worm wheel are in meshed connection, and the clamping block forms a turnover structure on the sliding plate through the worm wheel.

Preferably, the longitudinal section of the clamping block is of a semicircular annular structure, and a hollow cylindrical structure is formed between the left monomer and the right monomer of the clamping block.

Preferably, the inner wall of the clamping block is provided with a mounting groove, and the corner of the clamping block is provided with a thread groove.

Compared with the prior art, the beneficial effects of the utility model are that: the ultrasonic partial discharge signal simulation device is convenient to stably detect the power of the cable, is convenient to accurately detect the discharge position of the power cable, and is convenient to mount and dismount;

1. the power cable fixing device is provided with the fixing baffle and the limiting block, and the limiting block forms a sliding structure on the fixing baffle, so that the power cable is conveniently clamped and fixed, and is conveniently supported and fixed, and the power cable is conveniently and stably detected and is convenient to use;

2. the sliding plate is connected with the gear in a meshing manner, and when the gear rotates, the sliding plate can be driven to stably slide on the base conveniently, so that the outer surface of the power cable can be detected conveniently, and the partial discharge condition of the outer surface of the power cable can be detected conveniently;

3. be equipped with crank, worm wheel and grip block, power cable runs through between the monomer of grip block, rotates the crank and drives the worm and rotate to be convenient for drive grip block upset on the slide, the appearance is closely laminated to power cable is put in the ultrasonic wave office of the grip block inner wall installation of being convenient for, and the appearance is put in the ultrasonic wave office, facilitates the use to the convenient detection of also being convenient for simultaneously from the installation dismantlement ultrasonic wave office on the mounting groove.

Drawings

Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the slide board according to the present invention;

FIG. 3 is a schematic view of the overall structure of the clamping block of the present invention;

fig. 4 is the overall structure schematic diagram of the fixing baffle of the present invention.

In the figure: 1. a base; 2. fixing a baffle plate; 3. a limiting block; 4. a power cable; 5. a chute; 6. a fixing hole; 7. a slide plate; 8. a gear; 9. a rotating shaft; 10. a motor; 11. a slider; 12. a worm; 13. a crank; 14. a worm gear; 15. a clamping block; 16. mounting grooves; 17. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an ultrasonic wave partial discharge signal simulation device comprises a base 1, a fixed baffle 2, a limiting block 3, a power cable 4, a sliding chute 5, a fixed hole 6, a sliding plate 7, a gear 8, a rotating shaft 9, a motor 10, a sliding block 11, a worm 12, a crank 13, a worm wheel 14, a clamping block 15, a mounting groove 16 and a thread groove 17, wherein the fixed baffle 2 is fixedly connected to the left end and the right end of the base 1, the sliding chute 5 is arranged in the middle of the fixed baffle 2, the limiting block 3 is slidably connected to the sliding chute 5, the power cable 4 is connected to the interior of the limiting block 3 in a laminating manner, the sliding plate 7 is slidably connected to the upper end of the base 1, the gear 8 is rotatably connected to the interior of the sliding plate 7, the rotating shaft 9 is fixedly connected between the front monomer and the rear monomer of the gear 8, the front end of the gear 8 at the front end is fixedly connected with the motor 10, the upper end of the sliding plate 7 is rotatably connected with a worm wheel 14, the worm wheel 14 is fixedly connected with a clamping block 15, the lower end of the worm wheel 14 is connected with a worm 12, and the front end of the worm 12 is fixedly connected with a crank 13.

Both ends upside all is serration structure around base 1 in figure 1 and figure 2, and slide 7 passes through gear 8 and constitutes horizontal slip structure on base 1, make things convenient for the translation that slide 7 is stable on base 1, thereby be convenient for carry out even detection to power cable 4's surface, avoid lou examining, stopper 3 sets up about power cable 4's axis bilateral symmetry in figure 1 and figure 4, and stopper 3 passes through bolt and 6 fixed connection of fixed orifices, and fixed orifices 6 are equidistant to be seted up on fixed stop 2, conveniently carry out stable support and centre gripping to power cable 4, facilitate the use, avoid rocking, the influence detects.

For the meshing connection between worm 12 and the worm wheel 14 in fig. 2 and fig. 3, and grip block 15 passes through worm wheel 14 and constitutes flip structure on slide 7, conveniently adjust opening and shutting of grip block 15, thereby be convenient for grip block 15 internally mounted's ultrasonic wave partial discharge appearance and power cable 4 laminating, be convenient for detect the use, grip block 15's longitudinal section is half-circle ring structure in fig. 2 and fig. 3, and constitute the hollow cylinder structure between the monomer about grip block 15, be convenient for to the even detection of power cable 4's surface, facilitate the use.

As in FIG. 3, the mounting groove 16 is formed in the inner wall of the clamping block 15, and the thread groove 17 is formed in the corner of the clamping block 15, the ultrasonic partial discharge instrument is convenient to mount and dismount, and is convenient to detect, use and replace and overhaul.

The working principle is as follows: when the ultrasonic partial discharge signal simulation device is used, firstly, as shown in fig. 1 and 4, the power cable 4 is placed on the upper end face of the base 1, the limiting block 3 slides on the fixed baffle 2 through the sliding groove 5, so that the limiting block 3 clamps and fixes the power cable 4 to prevent falling off, the bolt penetrates through the fixed hole 6 and is fixedly connected with the limiting block 3, so that the limiting block 3 is fixed conveniently, as shown in fig. 1, 2 and 3, the crank 13 drives the worm 12 to rotate, the worm 12 is meshed and connected with the worm wheel 14, so that the worm wheel 14 drives the clamping block 15 to turn over on the sliding plate 7, so that the ultrasonic partial discharge instrument arranged inside the clamping block 15 is in contact with the outer surface of the power cable 4, the discharge condition outside the power cable 4 is conveniently detected, the switch of the motor 10 is opened, the motor 10 drives the gear 8 to rotate, and the gear 8 is meshed and connected with the base 1, therefore, the sliding block 11 can conveniently slide on the base 1, the outer surface of the power cable 4 can be conveniently and uniformly and stably detected, the use is convenient, the type of the motor 10 is XD-60KTYZ, the forward and reverse rotation can be conveniently adjusted, and the whole process of using the ultrasonic partial discharge signal simulation device is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a signal analogue means is put in ultrasonic wave office, includes base (1), power cable (4) and motor (10), its characterized in that: the power cable fixing device is characterized in that fixed baffles (2) are fixedly connected to the left end and the right end of the base (1), a sliding groove (5) is formed in the middle of each fixed baffle (2), a limiting block (3) is connected to the sliding groove (5) in a sliding mode, a power cable (4) is connected to the limiting block (3) in a laminating mode, a sliding plate (7) is connected to the upper end of the base (1) in a sliding mode, a gear (8) is connected to the sliding plate (7) in a rotating mode, a rotating shaft (9) is fixedly connected between front and rear monomers of the gear (8), a motor (10) is fixedly connected to the front end of the gear (8) at the front end through bolts, a sliding block (11) is fixedly connected to the lower end of the sliding plate (7), the sliding block (11) is connected to the middle of the base (1) in a sliding mode, a worm wheel, the lower end of the worm wheel (14) is connected with a worm (12), and the front end of the worm (12) is fixedly connected with a crank (13).

2. The ultrasonic partial discharge signal simulation device according to claim 1, wherein: the upper sides of the front end and the rear end of the base (1) are both in a sawtooth structure, and the sliding plate (7) forms a left-right sliding structure on the base (1) through a gear (8).

3. The ultrasonic partial discharge signal simulation device according to claim 1, wherein: the limiting blocks (3) are arranged in a bilateral symmetry mode about the central axis of the power cable (4), the limiting blocks (3) are fixedly connected with the fixing holes (6) through bolts, and the fixing holes (6) are formed in the fixing baffle (2) at equal intervals.

4. The ultrasonic partial discharge signal simulation device according to claim 1, wherein: the worm (12) is in meshed connection with the worm wheel (14), and the clamping block (15) forms a turnover structure on the sliding plate (7) through the worm wheel (14).

5. The ultrasonic partial discharge signal simulation device according to claim 1, wherein: the longitudinal section of the clamping block (15) is of a semicircular annular structure, and a hollow cylindrical structure is formed between the left monomer and the right monomer of the clamping block (15).

6. The ultrasonic partial discharge signal simulation device according to claim 1, wherein: the inner wall of the clamping block (15) is provided with a mounting groove (16), and a corner of the clamping block (15) is provided with a thread groove (17).