CN218674162U

CN218674162U - Insulator gesture automatic regulating apparatus for wind tunnel simulation experiment

Info

Publication number: CN218674162U
Application number: CN202221358200.0U
Authority: CN
Inventors: 董海燕; 韩磊; 窦建明; 庞明
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2023-03-21
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to the technical field of insulator testing, in particular to an automatic insulator posture adjusting device for wind tunnel simulation experiments; the problem that the test efficiency of the existing natural pollution accumulation method is low is solved; the horizontal adjusting device comprises a base, a main shaft movably arranged on the base, a driven wheel and an upper disc, wherein the driven wheel and the upper disc are arranged on the main shaft, and the driven wheel is driven to rotate by a driving wheel of a No. 1 motor; the vertical adjusting device is arranged on the horizontal adjusting device; the horizontal adjusting device comprises a crank, a connecting rod and a bracket which are sequentially connected through a pin, the crank is driven to rotate through a No. 2 motor, and the bracket is arranged on an installation shaft on the clamping base; and a bracket for mounting the insulator is fixed on the bracket. The device can rotate 0-90 degrees in the vertical direction and 360 degrees in the horizontal direction, so that unidirectional wind in a laboratory can blow each surface of the insulator, the experimental period is effectively shortened, the repeatability is high, and the purpose of high-efficiency simulation is achieved.

Description

Insulator gesture automatic regulating apparatus for wind tunnel simulation experiment

Technical Field

The utility model relates to an insulator test technical field specifically is an insulator gesture automatic regulating apparatus for wind-tunnel simulation experiment.

Background

The insulator is an important part of an electrical system, plays a role in mechanical support and electrical insulation, and the insulation performance of the insulator is an important index for safe operation of the system. The insulator is placed in the atmosphere, and dust in the atmosphere adheres to the surface of the insulator under various factors. In rainy and snowy weather, the humidity in air is increased, and the grey matter is ionized to form a layer of conductive film on the surface of the insulator, so that the insulating property is reduced, and even a flashover accident is caused. The performance of the insulator is optimized by researching the pollution accumulation characteristic of the insulator, and the occurrence of accidents can be effectively reduced. The natural pollution accumulation method can provide visual data conditions for insulator research, but the method has long experimental period and large dispersion, and cannot quickly and efficiently research the pollution accumulation characteristics of the insulators.

SUMMERY OF THE UTILITY MODEL

The utility model provides an insulator gesture automatic regulating apparatus for wind-tunnel simulation experiment, the effectual problem of having solved the low test efficiency of current natural deposition method, this device can be at the installation angle of 0-90 regulation simulation insulator in vertical direction, realizes 360 rotations in the horizontal direction, makes the unidirectional wind of laboratory can blow to each surface of insulator, effectively subtracts short experimental period and good reproducibility, reaches the purpose of high-efficient simulation.

In order to achieve the above purpose, the utility model adopts the technical scheme as follows:

the utility model provides an insulator gesture automatic regulating apparatus for wind-tunnel simulation experiments, includes horizontal adjusting device and vertical adjusting device, its characterized in that: the horizontal adjusting device comprises a base 1, a main shaft 2 movably arranged on the base 1, a driven wheel 5 and an upper disc 6 which are arranged on the main shaft 2, wherein the driven wheel 5 is driven to rotate by a driving wheel 4 of a No. 1 motor;

the vertical adjusting device is arranged on the horizontal adjusting device;

the horizontal adjusting device comprises a crank 10, a connecting rod 11 and a bracket 12 which are sequentially connected through a pin 13, the crank 10 is driven to rotate through a No. 2 motor 9, and the bracket 12 is installed on an installation shaft 16 on a clamping base 15;

a bracket 14 for mounting an insulator 19 is fixed to the bracket 12.

And a plurality of supporting rollers 7 are arranged between the base 1 and the driven wheel 5 and between the driven wheel 5 and the upper disc 6.

The main shaft 2 is fixedly arranged relative to the driven wheel 5 and the upper disc 6.

A ratchet wheel 17 is fixed on the mounting shaft 16, and the ratchet wheel 17 is matched with a pawl 18 arranged on the clamping base 15.

The utility model has the advantages that: 1) The device can rotate at a constant speed in a wind tunnel laboratory, so that the insulator can simulate a uniform natural wind pollution accumulation effect under single-phase wind.

2) The device can take off and land the insulator at multiple angles, and can simulate the situation of mounting the insulator at various angles to improve comparison data.

3) This device insulator mounting platform, the fixed rear ferrule of place ahead hole bolt (adjustable) is fixed, can use the general type of multiple insulator strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a horizontal adjustment device;

FIG. 3 is a schematic view of the vertical adjustment mechanism;

FIG. 4 is a schematic view of the mounting structure of the retaining base;

shown in the figure: the device comprises a base 1, a spindle 2, a No. 1 motor 3, a driving wheel 4, a driven wheel 5, an upper disc 6, a supporting roller 7, a motor support 8, a No. 2 motor 9, a crank 10, a connecting rod 11, a support 12, a pin 13, a bracket 14, a clamping base 15, a mounting shaft 16, a ratchet 17, a pawl 18 and an insulator 19.

Detailed Description

The technical scheme of the invention is further explained by the specific embodiment with the attached drawings:

example 1

As shown in figures 1-4, the utility model provides an insulator gesture automatic regulating apparatus for wind-tunnel simulation experiments, its purpose realizes insulator position control in level and vertical direction. The whole device comprises a horizontal adjusting device and a vertical adjusting device.

As shown in fig. 2, the horizontal adjusting device is intended to rotate in the horizontal direction to change the position of the insulator in the horizontal direction. The horizontal adjusting device structurally comprises a base 1, a main shaft 2, a 1# motor 3, a driving wheel 4, a driven wheel 5, an upper disc 6 and a supporting roller 7.

The base 1 comprises disc and foot stool, and the foot stool has guaranteed the stability of whole equipment, is used for erection equipment on the disc. A main shaft 2 is mounted on the base 1 via a bearing device so that the main shaft 2 is rotatable with respect to the base 1. The driven wheel 5 is fixedly arranged at the center of the main shaft 2, and the upper disc 6 is fixedly arranged at the top end of the main shaft. And a No. 1 motor 3 is fixedly arranged on the base 1.

Through the work of 1# motor 3 for action wheel 4 on it drives from the driving wheel 5 rotation, and then makes hanging dish 6 synchronous revolution, realizes 360 regulation in the horizontal direction.

Meanwhile, in order to ensure the stability of the driven wheel 5 and the upper disc 6 in the rotating process, a plurality of supporting rollers 7 are arranged between the base 1 and the driven wheel 5 and between the driven wheel 5 and the upper disc 6.

The mounting structure of the vertical adjusting device and the horizontal adjusting device is schematically shown in fig. 1, and the vertical adjusting device is mounted on the upper tray 6.

The structure of the vertical adjusting device is shown in fig. 3 and 4, and comprises a motor support 8, a # 2 motor 9, a crank 10, a connecting rod 11, a support 12, a pin 13, a bracket 14, a clamping base 15, a mounting shaft 16, a ratchet wheel 17 and a pawl 18.

The motor support 8 and the clamping base 15 are fixedly arranged on the upper disc 6, and the motor support 8 is provided with a No. 2 motor 9. The 2# motor 9 drives the sequential crank 10 to rotate, one end of the crank 10 is provided with a connecting rod 11 through a pin 13, and the two ends of the connecting rod 11 are driven to swing through the rotation of the crank 10. A bracket 12 is connected to one end of the link 11 by a pin 13, and the bracket 12 is mounted on a mounting shaft 16 of the detent base 15. The end of the bracket 12 is driven to move up and down in the vertical direction by the swinging of the connecting rod 11.

The bracket 14 is fixed on the bracket 12, and the insulator 19 is placed on the bracket 14, so that the insulator dust accumulation experiment under the wind tunnel state can be simulated.

After the horizontal position of the insulator 19 is determined, the ratchet 17 provided on the mounting shaft 16 and the pawl 18 provided on the position lock base 15 are engaged with each other, thereby fixing the position of the link 11.

During specific use, after placing the insulator 19, the staff adjusts the insulator 19 to the lowest end in the vertical direction. Starting the 1# motor 3, adjusting the horizontal position of the insulator, and closing the 1# motor after determining the horizontal position. Then, the # 2 motor 9 is started so that the insulator 19 moves in the vertical direction, and the # 2 motor 9 is turned off after adjustment to a certain position. At this time, the bracket 12 is fixed due to the mutual engagement of the ratchet 17 and the pawl 18.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an insulator gesture automatic regulating apparatus for wind-tunnel simulation experiment, includes horizontal adjusting device and vertical adjusting device, its characterized in that: the horizontal adjusting device comprises a base, a main shaft movably arranged on the base, a driven wheel and an upper disc, wherein the driven wheel and the upper disc are arranged on the main shaft, and the driven wheel is driven to rotate by a driving wheel of a No. 1 motor;

the vertical adjusting device is arranged on the horizontal adjusting device;

the horizontal adjusting device comprises a crank, a connecting rod and a bracket which are sequentially connected through a pin, the crank is driven to rotate through a No. 2 motor, and the bracket is arranged on an installation shaft on the clamping base;

and a bracket for mounting the insulator is fixed on the bracket.

2. The automatic insulator attitude adjusting device for the wind tunnel simulation experiment according to claim 1, characterized in that: and a plurality of supporting rollers are arranged between the base and the driven wheel and between the driven wheel and the upper disc.

3. The automatic insulator attitude adjusting device for the wind tunnel simulation experiment according to claim 1, characterized in that: the main shaft, the driven wheel and the upper disc are relatively and fixedly arranged.

4. The automatic insulator attitude adjusting device for the wind tunnel simulation experiment according to claim 1, characterized in that: the ratchet wheel is fixed on the mounting shaft and is matched with the pawl arranged on the clamping base.