CN213181865U

CN213181865U - Be used for withstand voltage testing arrangement of electrical insulation pole

Info

Publication number: CN213181865U
Application number: CN202021875827.4U
Authority: CN
Inventors: 毕重文; 刘佩东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-11
Anticipated expiration: 2030-09-01

Abstract

The utility model relates to a be used for withstand voltage test device of electrical insulation pole. At present, when the whole power frequency voltage withstand test is detected, the requirement of an ordinary test platform on the clearance height of a field is large, the distance between voltage withstand test electrodes is not easy to master, the insulating rod is inconvenient to install, and the test efficiency is low. The utility model provides a be used for withstand voltage testing arrangement of electrical insulation pole, its constitution includes: bottom pedestal (1), top drum (2) and fixed disk (3), power control box (4) are installed to the top of bottom pedestal, power control box's top is connected with four conducting rods (5) that length is the same perpendicularly, the conducting rod passes round hole (6) of fixed disk, and the top of conducting rod closes soon in nut (7) through the helicitic texture, the nut is connected with the top drum, be fixed with insulator spindle (8) between top drum and the fixed disk, there is metal hook (9) at the top of insulator spindle through the helicitic texture screw in. The utility model discloses be applied to electric field.

Description

Be used for withstand voltage testing arrangement of electrical insulation pole

Technical Field

The utility model relates to a be used for withstand voltage test device of electrical insulation pole.

Background

The insulating rod is a necessary safety tool for operation and maintenance of the power system. The insulating rod needs to be periodically subjected to preventive tests during use so as to check the safety and effectiveness of the insulating rod. When the insulating rod of 500kV and below carries out whole power frequency withstand voltage test and detects, ordinary test platform requires great to place headroom space, and withstand voltage test interelectrode distance is difficult for mastering, and the insulating rod installation is inconvenient, and test efficiency is low. Therefore, it is necessary to provide a new horizontal insulation bar withstand voltage test platform to solve the above technical problems.

Disclosure of Invention

The utility model aims at providing a be used for withstand voltage testing arrangement of electrical insulation pole.

The above purpose is realized by the following technical scheme:

the utility model provides a be used for withstand voltage testing arrangement of electrical insulation pole, its constitution includes: the bottom pedestal, top drum and fixed disk, the top of bottom pedestal install the power control box, the top of power control box be connected with four conducting rods that length is the same perpendicularly, the conducting rod pass the round hole of fixed disk, just the top of conducting rod close in the nut soon through the helicitic texture, the nut with the top drum connect, the top drum with the fixed disk between be fixed with the insulator spindle, the top of insulator spindle have the metal couple through the helicitic texture screw in, the metal couple hang and lean on the low voltage winding circle of top drum, the pole portion lock of insulator spindle in the fastener on the fixed disk, the top drum with the centre of a circle of fixed disk on same vertical line, the bottom of bottom pedestal install the universal wheel.

The device for testing the withstand voltage of the electrical insulation rod is characterized in that the top wire coil comprises a low-voltage winding ring, a secondary high-voltage winding ring and a metal disc, the metal disc is respectively connected with the secondary high-voltage winding ring and the low-voltage winding ring through a group of connecting rods, a group of nuts are installed below the metal disc, and gaps are reserved between the secondary high-voltage winding ring and the low-voltage winding ring.

The pressure-resistant testing device for the electric insulating rod is characterized in that the fixed disc consists of an annular frame, a supporting disc and a group of clamping pieces, the supporting disc is connected with the side ring surface of the annular frame through a supporting rod, the clamping pieces are evenly arranged on the outer side of the annular frame, and the supporting disc is provided with a mounting hole.

The clamping piece consists of a roller, a cushion block and an elastic frame, two inclined planes of the elastic frame are rotatably connected with the roller through a rotating shaft, and the cushion block is connected with a horizontal plate surface of the elastic frame.

The utility model discloses the beneficial effect who reaches is:

1. when the utility model is used for carrying out the pressure resistance test on the insulating rod, firstly, the thread structure at the end part of the insulating rod is screwed in the thread sleeve on the metal hook, then the metal hook with the insulating rod is hung on the low-voltage winding ring on the top wire coil, the metal hook penetrates out from the gap between the low-voltage winding ring and the secondary high-voltage winding ring, the rod surface of the insulating rod is inserted into the clamping piece on the fixed disk, the clamping piece is provided with the roller, the roller is rotationally connected with the elastic frame through the rotating shaft, therefore, when the rod surface of the insulating rod touches the two rollers, the two rollers can push the two elastic frames on the clamping piece from left to right, the distance between the two rollers is enlarged, the insulating rod is pushed into the clamping piece, the cushion block on the clamping piece can prevent the insulating rod from pushing the clamping piece to shake, after the installation is finished, the insulating rod at the moment is in a, and the insulation rod can be subjected to voltage withstanding test.

2. The utility model has the characteristics of simple structure, convenient operation, small, light in weight, compact structure etc, replace traditional horizontal testing arrangement, can avoid test platform to the space restriction in place, be applicable to departments such as electric power, industrial and mining, scientific research, carry out power frequency withstand voltage test and direct current leakage test to insulating material.

3. The utility model discloses wind primary low voltage winding on the iron core, secondary high voltage winding is around in the low voltage winding outside, and this kind of coaxial arrangement has reduced the coupling loss between the winding. Simultaneously, the clamping pieces are arranged in an annular mode, the distance between the withstand voltage test motors is convenient to master, the insulating rods are convenient to install, a plurality of insulating rods can be tested at one time, and the device has the advantages of being safe to use, high in testing efficiency and testing precision and the like, and the testing efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

figure 2 is a schematic diagram of the top coil configuration.

Fig. 3 is a schematic structural view of the fixed disk.

Fig. 4 is a schematic structural view of the insulating rod.

Fig. 5 is a schematic view of the construction of the cartridge.

Fig. 6 is a top view of fig. 5.

In the figure: 1. the device comprises a bottom pedestal, 2, a top wire coil, 3, a fixed disk, 4, a power control box, 5, a conductive rod, 6, a round hole, 7, a nut, 8, an insulating rod, 9, a metal hook, 10, a universal wheel, 11, a thread sleeve, 2-1, a low-voltage winding ring, 2-2, a secondary high-voltage winding ring, 2-3, a metal disc, 2-4, a connecting rod, 3-1, an annular frame, 3-2, a supporting disc, 3-3, a clamping piece, 3-4, a supporting rod, 3-3-1, a roller, 3-3-2, a cushion block, 3-3-3 and an elastic frame.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1:

the utility model provides a be used for withstand voltage testing arrangement of electrical insulation pole, its constitution includes: a bottom pedestal 1, a top wire coil 2 and a fixed disk 3, a power control box 4 is arranged above the bottom pedestal, the top of the power supply control box is vertically connected with four conducting rods 5 with the same length, the conducting rods penetrate through the round hole 6 of the fixed disc, the top of the conducting rod is screwed in the nut 7 through a thread structure, the nut is connected with the top wire coil, an insulating rod 8 is fixed between the top wire coil and the fixed disk, a metal hook 9 is screwed in the top of the insulating rod through a thread structure, the metal hook is hung on the low-voltage winding ring of the top wire coil, the rod part of the insulating rod is buckled in the clamping piece on the fixed disk, the circle centers of the top wire coil and the fixed disk are on the same vertical line, and the bottom of the bottom pedestal is provided with a universal wheel 10.

Example 2:

according to the withstand voltage testing device for the electric insulating rod in the embodiment 1, the top wire coil is composed of a low-voltage winding ring 2-1, a secondary high-voltage winding ring 2-2 and a metal disc 2-3, the metal disc is respectively connected with the secondary high-voltage winding ring and the low-voltage winding ring through a group of connecting rods 2-4, a group of nuts are installed below the metal disc, and a gap is reserved between the secondary high-voltage winding ring and the low-voltage winding ring.

Example 3:

according to the withstand voltage testing device for the electric insulating rod in the

embodiment

1 or 2, the fixed disc is composed of an annular frame 3-1, a supporting disc 3-2 and a group of clamping pieces 3-3, the supporting disc is connected with the side annular surface of the annular frame through a supporting rod 3-4, the group of clamping pieces are uniformly installed on the outer side of the annular frame, and the supporting disc is provided with an installation hole.

Example 4:

embodiment

1, 2 or 3, the clamping piece comprises a roller 3-3-1, a cushion block 3-3-2 and an elastic frame 3-3-3, two inclined surfaces of the elastic frame are rotatably connected with the roller through a rotating shaft, and the cushion block is connected with a horizontal plate surface of the elastic frame.

Example 5:

the voltage regulator before power connection and in the power control box (station) must be adjusted to zero position. After the power supply is switched on, the green indicator lamp is turned on, the start button is pressed, and the red indicator lamp is turned on to indicate that the test transformer is switched on to control the power supply and start boosting. And rotating a hand wheel of the pressure regulator at a constant speed in a clockwise direction from the zero position to boost the pressure. The voltage rises from zero to the reference voltage under the required rated test voltage or rated direct current at the selected boosting speed. The direct current high voltage meter, the leakage current meter indication and the condition of the tested product should be strictly noticed in the test. After the test is finished, the high voltage is quickly and uniformly reduced to the zero position, the stop button is pressed, the high-voltage and low-voltage output is stopped, and then the power supply is cut off. At this time, the DC high-voltage discharging rod is used to fully discharge the tested object and the testing device.

Claims

1. The utility model provides a be used for withstand voltage testing arrangement of electrical insulation pole, its constitution includes: bottom pedestal, top drum and fixed disk, characterized by: the top of bottom pedestal install power control box, power control box's top be connected with four conducting rods that length is the same perpendicularly, the conducting rod pass the round hole of fixed disk, just the top of conducting rod close in the nut soon through the helicitic texture, the nut with the top drum connect, the top drum with the fixed disk between be fixed with the insulator spindle, the top of insulator spindle have the metal couple through the helicitic texture screw in, the metal couple hang and lean on the low voltage winding of top drum and circle, the pole portion lock of insulator spindle in the fastener on the fixed disk, the top drum with the centre of a circle of fixed disk on same vertical line, the bottom of bottom pedestal install the universal wheel.

2. The apparatus for testing withstand voltage of an electrical insulating rod according to claim 1, wherein: the top drum constitute by low voltage winding circle, secondary high voltage winding circle and metal disc, metal disc be connected with secondary high voltage winding circle and low voltage winding circle respectively through a set of connecting rod, the below of metal disc install a set of nut, secondary high voltage winding circle with low voltage winding circle between leave the space.

3. The apparatus for testing withstand voltage of an electrical insulating rod according to claim 1, wherein: the fixed disk comprises an annular frame, a supporting disk and a group of clamping pieces, wherein the supporting disk is connected with the side ring surface of the annular frame through a supporting rod, the clamping pieces are uniformly arranged on the outer side of the annular frame, and the supporting disk is provided with a mounting hole.

4. The apparatus for testing withstand voltage of an electrical insulating rod according to claim 3, wherein: the clamping piece is composed of a roller, a cushion block and an elastic frame, two inclined planes of the elastic frame are rotatably connected with the roller through a rotating shaft, and the cushion block is connected with a horizontal plate surface of the elastic frame.