CN219245615U

CN219245615U - Withstand voltage testing arrangement

Info

Publication number: CN219245615U
Application number: CN202320239387.0U
Authority: CN
Inventors: 熊颖
Original assignee: Suzhou Meiczech Electronic Technology Co ltd
Current assignee: Suzhou Meiczech Electronic Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-23
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a pressure-resistant testing device which comprises an operation table, wherein a pressure-resistant tester is fixedly arranged on the upper surface of the operation table, an insulating bottom plate is fixedly arranged at the bottom of the operation table, a sliding groove positioned in front of the pressure-resistant tester is formed in the upper surface of the operation table, a fixing frame positioned at one end of the sliding groove is fixedly arranged on the upper surface of the operation table, a threaded rod is rotatably connected inside the sliding groove, a moving block is slidably connected inside the sliding groove, the middle part of the moving block is in threaded connection with the threaded rod in a penetrating mode, a rotating wheel is fixedly arranged at one end of the threaded rod, and a fixing frame is fixedly arranged at the top of the moving block. The rotating wheel is rotated to enable the threaded rod to rotate, the distance between the two fixing frames can be adjusted according to the length of the measured object, and meanwhile, the insulating base plate and the insulating seat are arranged, so that the measured object is completely insulated from the tabletop, and the compressive strength of the cable can be conveniently tested.

Description

Withstand voltage testing arrangement

Technical Field

The utility model relates to the technical field of cable testing, in particular to a pressure-resistant testing device.

Background

Withstand voltage test is one of the main methods for checking the ability of an electric appliance, an electric device, an electric apparatus, an electric circuit, an electric safety tool, and the like to withstand overvoltage. The method comprises the steps of a power frequency withstand voltage test and a direct current withstand voltage test. The test voltage of the industrial frequency withstand voltage test is one time to several times of the rated voltage of the tested equipment and is not lower than 1000V. The pressurizing time is as follows: the time period was 1 minute for equipment with porcelain and liquid as the main insulation, 5 minutes for equipment with organic solid as the main insulation, 3 minutes for voltage transformer, and 10 minutes for oil immersed power cable.

However, in the existing cable withstand voltage test, a withstand voltage tester is used for direct test, so that the problem that current is exposed and safety accidents occur occurs, and the cable is round and has no fixed point, so that the cable is easy to roll, and the problem of high accuracy error of the cable withstand voltage test is caused.

Disclosure of Invention

The present utility model is directed to a pressure-resistant testing device, which solves the problems set forth in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a withstand voltage testing arrangement, includes the operation panel, the last fixed surface of operation panel installs withstand voltage tester, the bottom fixed mounting of operation panel has insulating bottom plate, the sliding tray that is located withstand voltage tester the place ahead has been seted up to the upper surface of operation panel, the upper surface fixed mounting of operation panel has the mount that is located sliding tray one end, the inside rotation of sliding tray is connected with the threaded rod, the inside sliding connection of sliding tray has the movable block, the middle part and the threaded rod through threaded connection of movable block, the one end fixed mounting of threaded rod has the runner, the top fixed mounting of movable block has the fixed frame.

Optionally, annular tight groove of supporting of arranging has been seted up to one side of runner, the shrink groove that is located runner one side has been seted up to the inside symmetry of operation panel, the inside in shrink groove is provided with and supports tight spring, the one end that supports tight spring supports tight contact with the bottom in shrink groove, the other end that supports tight spring supports tight contact has the tight steel ball that supports that is located shrink inslot portion, support tight steel ball and support tight groove and support tight contact.

Optionally, the abutting groove is arc-shaped, the diameter of the abutting steel ball is larger than the diameter of the opening of the shrinkage groove, and the diameter of the abutting groove is larger than the diameter of the abutting steel ball.

Optionally, the mount includes insulating seat, lower anchor clamps, carriage, spout, goes up anchor clamps, fly leaf, lead screw, hand wheel, two insulating seat respectively with operation panel and movable block fixed mounting, the bottom and the insulating seat fixed mounting of lower anchor clamps, the carriage is connected with the body of the both sides of lower anchor clamps, the inside at the carriage is seted up to the spout, the spout runs through the bottom to the lower anchor clamps, the top body coupling of going up the anchor clamps has the fly leaf, go up both sides and spout sliding connection of anchor clamps and fly leaf, the bottom and the top rotation of fly leaf of lead screw are connected, the top through-thread connection of lead screw and carriage, the top fixed mounting of hand wheel and lead screw.

Optionally, two guide rods are fixedly installed in the sliding groove, the two guide rods are arranged on two sides of the threaded rod in parallel, and the moving block is connected with the guide rods in a penetrating and sliding mode.

Optionally, the diameter of runner is greater than the axis of threaded rod and to the distance of operation panel upper surface, the outer peripheral face of runner is provided with the sand line, the four corners of insulating bottom plate bottom is provided with anti-skidding callus on the sole.

Optionally, the anti-slip rubber pad is adhered to the opposite surfaces of the upper clamp and the lower clamp, and the opposite surfaces of the upper clamp and the lower clamp are symmetrical V-shaped grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. this withstand voltage testing arrangement makes the threaded rod rotate through rotating the runner, and then makes the movable block with threaded rod threaded connection remove, and then can adjust the distance between two mounts according to the length of measured object, sets up insulating bottom plate in the bottom of operation panel simultaneously to set up insulating seat gradually in mount and mount installation department, make between measured object and the desktop completely insulating, conveniently test the compressive strength of cable.

2. According to the pressure-resistant testing device, the upper clamp and the lower clamp are arranged, pressure-resistant testing is conducted on a long-shaped object such as a cable, two ends of the tested object are respectively placed between the lower clamp and the upper clamp of the two fixing frames, the hand wheel is rotated, the upper clamp moves downwards and is clamped with the lower clamp, the tested object is fixed through the two groups of fixing frames, and then the pressure-resistant testing instrument is connected to conduct pressure-resistant testing.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a pressure-resistant testing device according to the present utility model;

FIG. 2 is a schematic diagram showing the overall structure of a pressure-resistant testing device according to the present utility model;

FIG. 3 is an enlarged view of the pressure resistance test apparatus of the present utility model at A in FIG. 3;

fig. 4 is a schematic structural view of a fixing frame of the pressure-resistant testing device of the present utility model.

In the figure: 1. an operation table; 2. an insulating base plate; 3. a withstand voltage tester; 4. a sliding groove; 5. a threaded rod; 6. a rotating wheel; 7. a guide rod; 8. a moving block; 9. a fixing frame; 901. an insulating base; 902. a lower clamp; 903. a support frame; 904. a chute; 905. a clamp is arranged; 906. a movable plate; 907. a screw rod; 908. a hand wheel; 10. a tightening groove; 11. a shrink tank; 12. a spring is abutted tightly; 13. and (5) abutting against the steel balls.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the utility model provides a voltage withstanding test device, which comprises an operation table 1, wherein a voltage withstanding tester 3 is fixedly installed on the upper surface of the operation table 1, an insulating bottom plate 2 is fixedly installed at the bottom of the operation table 1, a sliding groove 4 positioned in front of the voltage withstanding tester 3 is formed in the upper surface of the operation table 1, a fixing frame 9 positioned at one end of the sliding groove 4 is fixedly installed on the upper surface of the operation table 1, a threaded rod 5 is rotatably connected inside the sliding groove 4, a movable block 8 is slidably connected inside the sliding groove 4, the middle part of the movable block 8 is in threaded connection with the threaded rod 5, a rotating wheel 6 is fixedly installed at one end of the threaded rod 5, a fixed frame is fixedly installed at the top of the movable block 8, the threaded rod 5 is rotated by rotating the rotating wheel 6, and then the movable block 8 in threaded connection with the threaded rod 5 is moved, and then the distance between the two fixing frames 9 can be adjusted according to the length of a tested object, meanwhile, the insulating bottom plate 2 is arranged at the bottom of the operation table 1, and an insulating seat 901 is gradually arranged at the installation position of the fixing frame 9 and the fixing frame 9, so that the tested object and a tabletop are completely insulated, and the voltage withstanding strength of a cable is tested conveniently.

An annular arrangement propping groove 10 is formed in one side of the rotating wheel 6, a contraction groove 11 positioned on one side of the rotating wheel 6 is symmetrically formed in the operating platform 1, a propping spring 12 is arranged in the contraction groove 11, one end of the propping spring 12 is propped against the bottom of the contraction groove 11, the other end of the propping spring 12 is propped against a tight steel ball 13 positioned in the contraction groove 11, and the propping steel ball 13 is propped against the tight groove 10.

The abutting groove 10 is arc-shaped, the diameter of the abutting steel ball 13 is larger than the diameter of the opening of the shrinkage groove 11, and the diameter of the abutting groove 10 is larger than the diameter of the abutting steel ball 13.

The fixed frame 9 comprises an insulating seat 901, a lower clamp 902, a supporting frame 903, a sliding chute 904, an upper clamp 905, a movable plate 906, a screw 907 and a hand wheel 908, wherein the two insulating seats 901 are respectively fixedly installed with the operating platform 1 and the movable block 8, the bottom of the lower clamp 902 is fixedly installed with the insulating seat 901, the supporting frame 903 is integrally connected with two sides of the lower clamp 902, the sliding chute 904 is arranged in the supporting frame 903, the sliding chute 904 penetrates to the bottom of the lower clamp 902, the movable plate 906 is integrally connected with the top of the upper clamp 905, two sides of the upper clamp 905 and the movable plate 906 are in sliding connection with the sliding chute 904, the bottom of lead screw 907 is connected with the top rotation of fly leaf 906, and the top of lead screw 907 and carriage 903 runs through threaded connection, and hand wheel 908 and the top fixed mounting of lead screw 907 carry out withstand voltage test through setting up anchor clamps 905 and lower anchor clamps 902 to the equal bar object of cable, put into respectively between lower anchor clamps 902 and the upper anchor clamps 905 of two mounts 9 with the both ends of measured object, rotate hand wheel 908 for go up anchor clamps 905 down and press from both sides tightly with lower anchor clamps 902, fix the measured object through two sets of mounts 9, then switch on withstand voltage tester 3 and can carry out withstand voltage test.

Two guide rods 7 are fixedly arranged in the sliding groove 4, the two guide rods 7 are arranged on two sides of the threaded rod 5 in parallel, and the moving block 8 is in penetrating sliding connection with the guide rods 7.

The diameter of the rotating wheel 6 is larger than the distance from the axis of the threaded rod 5 to the upper surface of the operating platform 1, the outer circumferential surface of the rotating wheel 6 is provided with sand grains, and the four corners of the bottom of the insulating bottom plate 2 are provided with anti-skid foot pads.

An anti-slip rubber pad is adhered to the opposite surface of the upper clamp 905 and the lower clamp 902, and the opposite surface of the upper clamp 905 and the lower clamp 902 is a symmetrical V-shaped groove.

Working principle:

firstly, the distance between two fixing frames 9 is adjusted according to the length of a measured object, a rotating wheel 6 is rotated to enable a threaded rod 5 to rotate, then a moving block 8 in threaded connection with the threaded rod 5 is moved, the fixing frames 9 mounted on the top of the moving block 8 are moved, after the moving block 8 is adjusted to a proper position, a supporting steel ball 13 is supported tightly with a supporting groove 10 under the action of a supporting spring 12, the rotating wheel 6 is prevented from rotating, then two ends of the measured object are respectively placed between a lower clamp 902 and an upper clamp 905 of the two fixing frames 9, a hand wheel 908 is rotated to enable the upper clamp 905 to move downwards and clamp the lower clamp 902, the measured object is fixed through the two groups of fixing frames 9, and then a pressure resistance test instrument 3 is connected for pressure resistance test.

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

Claims

1. The utility model provides a withstand voltage testing arrangement, includes operation panel (1), its characterized in that, the last fixed surface of operation panel (1) installs withstand voltage tester (3), the bottom fixed mounting of operation panel (1) has insulating bottom plate (2), slide groove (4) that are located withstand voltage tester (3) the place ahead have been seted up to the upper surface of operation panel (1), the last fixed surface of operation panel (1) installs mount (9) that are located slide groove (4) one end, the inside rotation of slide groove (4) is connected with threaded rod (5), the inside sliding connection of slide groove (4) has movable block (8), the middle part and threaded rod (5) through threaded connection of movable block (8), the one end fixed mounting of threaded rod (5) has runner (6), the top fixed mounting of movable block (8) has the fixed frame.

2. The pressure-resistant testing device according to claim 1, wherein an annular arrangement supporting groove (10) is formed in one side of the rotating wheel (6), shrinkage grooves (11) located on one side of the rotating wheel (6) are symmetrically formed in the operating table (1), supporting springs (12) are arranged in the shrinkage grooves (11), one ends of the supporting springs (12) are in supporting contact with the bottoms of the shrinkage grooves (11), supporting steel balls (13) located in the shrinkage grooves (11) are in supporting contact with the other ends of the supporting springs (12), and the supporting steel balls (13) are in supporting contact with the supporting steel balls (10).

3. The pressure-resistant testing device according to claim 2, wherein the abutting groove (10) is arc-shaped, the diameter of the abutting steel ball (13) is larger than the diameter of the opening of the shrinkage groove (11), and the diameter of the abutting groove (10) is larger than the diameter of the abutting steel ball (13).

4. The pressure-resistant testing device according to claim 1, wherein the fixing frame (9) comprises an insulating base (901), a lower clamp (902), a supporting frame (903), a sliding groove (904), an upper clamp (905), a movable plate (906), a screw rod (907) and a hand wheel (908), the two insulating bases (901) are fixedly installed with the operating platform (1) and the movable block (8) respectively, the bottom of the lower clamp (902) is fixedly installed with the insulating base (901), the supporting frame (903) is integrally connected with two sides of the lower clamp (902), the sliding groove (904) is formed in the supporting frame (903), the sliding groove (904) penetrates through to the bottom of the lower clamp (902), the top of the upper clamp (905) is integrally connected with the movable plate (906), two sides of the upper clamp (905) are slidably connected with the sliding groove (904), the bottom of the screw rod (907) is rotatably connected with the top of the movable plate (906), the screw rod (907) is integrally connected with the top of the supporting frame (903), and the penetrating screw rod (908) is fixedly installed on the top of the hand wheel (908).

5. The pressure-resistant testing device according to claim 1, wherein two guide rods (7) are fixedly arranged in the sliding groove (4), the two guide rods (7) are arranged on two sides of the threaded rod (5) in parallel, and the moving block (8) is connected with the guide rods (7) in a penetrating and sliding manner.

6. The pressure-resistant testing device according to claim 2, wherein the diameter of the rotating wheel (6) is larger than the distance from the axis of the threaded rod (5) to the upper surface of the operating table (1), sand grains are formed on the outer peripheral surface of the rotating wheel (6), anti-slip foot pads are arranged at four corners of the bottom of the insulating bottom plate (2), and a graduated scale parallel to the sliding groove (4) is arranged on the upper surface of the operating table (1).

7. The pressure-resistant testing device according to claim 4, wherein anti-slip rubber pads are adhered to opposite surfaces of the upper clamp (905) and the lower clamp (902), and the opposite surfaces of the upper clamp (905) and the lower clamp (902) are symmetrical V-shaped grooves.