CN214954040U

CN214954040U - Calibration equipment of zinc oxide arrester tester

Info

Publication number: CN214954040U
Application number: CN202120527856.XU
Authority: CN
Inventors: 湛世德
Original assignee: Wuhan Kegang Power Electric Co ltd
Current assignee: Wuhan Kegang Power Electric Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-30
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a calibration equipment of zinc oxide arrester tester, including calibration case and protector, one side outer wall of calibration case articulates there is the chamber door, fixedly connected with places the board between the inner wall of calibration case, the inner wall of placing the board has seted up the spout, just the quantity of spout is two, two the equal sliding connection of inner wall of spout has the slider, the top outer wall fixedly connected with limiting plate of slider, the top outer wall of placing the board just is located and is provided with the tester between two limiting plates. Through the pulling arm-tie outwards stimulate the movable rod, and then drive the limiting plate to the both sides motion, when slider and magnetic block contact, stop the pulling, put the tester between two limiting plates, then with the limiting plate to the direction motion that is close to the tester, make two limiting plates fix the tester, this device has made things convenient for the fixed of tester, make its can be better tested, rocking when avoiding the test.

Description

Calibration equipment of zinc oxide arrester tester

Technical Field

The utility model belongs to the technical field of the calibration equipment, concretely relates to calibration equipment of zinc oxide arrester tester.

Background

With the wide application of the zinc oxide arrester, the safety of the power system is greatly improved. However, the zinc oxide arrester is in a severe working environment and is prone to aging, so that it is necessary to detect the zinc oxide arrester regularly. In view of the situation, many manufacturers of electric power testing instruments in China begin to develop and produce zinc oxide lightning arrester testers. However, according to investigation, the quality of zinc oxide arrester testers in domestic markets is uneven, and the verification of the testers and the provision of reliable verification data for users have positive significance for improving the quality of preventive tests. At present, the method for checking the zinc oxide arrester tester by related technical units in China mainly comprises the following steps: traditional RC resistance-capacitance network method and common standard signal source.

At present, the calibration device on the market is inconvenient to fix the tester in the process of calibrating the lightning arrester tester, so that the detection accuracy is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calibration equipment of zinc oxide arrester tester to the calibration equipment who proposes a current zinc oxide arrester tester among the solution above-mentioned background art is in the use, because inconvenient fixes the tester, thereby influences the problem of the accuracy that detects.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a calibration equipment of zinc oxide arrester tester, includes calibration case and protector, one side outer wall of calibration case articulates there is the chamber door, fixedly connected with places the board between the inner wall of calibration case, the inner wall of placing the board has seted up the spout, just the quantity of spout is two, two the equal sliding connection of inner wall of spout has the slider, the top outer wall fixedly connected with limiting plate of slider, the top outer wall of placing the board just is located and is provided with the tester between two limiting plates, one side outer wall fixedly connected with movable rod of limiting plate, the one end fixedly connected with arm-tie of limiting plate is kept away from to the movable rod, the arm-tie is close to one side outer wall fixedly connected with push rod of movable rod, the outer wall fixedly connected with fixed column of movable rod.

The protection device comprises a protection box, wherein air bags are fixedly connected to two sides of the inner wall of the protection box, a fixing rod is fixedly connected to the outer wall of one side of each air bag, one end of each fixing rod is far away from each air bag and is fixedly connected with a clamping block, the two sides of the inner wall of the protection box are located on a gas storage box fixedly connected to one side of each air bag, and a connecting pipe is fixedly connected to the outer wall of one side of each gas storage box.

Preferably, the equal fixedly connected with magnetism piece of both sides inner wall of spout, the outer wall magnetism of outer wall and the magnetism piece of slider is connected, the limiting plate is close to one side outer wall fixedly connected with blotter of tester.

Preferably, the outer wall of the movable rod is sleeved with a spring, and one end of the spring is fixedly connected with the outer wall of one side of the protection box.

Preferably, the fixed column is a column with different radiuses, and is arranged inside the protection box.

Preferably, the one end that the arm-tie was kept away from to the push rod sets up in the inside of gas storage box, the push rod sets up the one end fixedly connected with push pedal in the gas storage box.

Preferably, one end of the connecting pipe, which is far away from the gas storage tank, is fixedly connected with the inner wall of the air bag, and the air bag is communicated with the gas storage tank through the connecting pipe.

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

1. through the pulling arm-tie outwards stimulate the movable rod, and then drive the limiting plate to the both sides motion, when slider and magnetic block contact, stop the pulling, put the tester between two limiting plates, then with the limiting plate to the direction motion that is close to the tester, make two limiting plates fix the tester, this device has made things convenient for the fixed of tester, make its can be better tested, rocking when avoiding the test.

2. The arm-tie drives push rod and push pedal at the internal motion of gas storage case, makes gaseous through connecting tube case gasbag internal motion, and the gasbag inflation drives the clamp splice and carries on spacingly to the fixed column, and it is very fast to avoid the speed that the spring bounce-back drove the motion of movable rod, makes the limiting plate cause the damage to the tester, and this device passes through protector's setting, restricts the rate of motion of movable rod, avoids speed very fast, causes the damage to the tester.

Drawings

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

FIG. 2 is a schematic view of a part of the structure of the present invention;

FIG. 3 is a schematic structural view of the protection device of the present invention;

fig. 4 is a schematic side view of the protection device of the present invention.

In the figure: 1. a checking box; 2. a box door; 3. placing the plate; 4. a chute; 5. a slider; 6. a limiting plate; 7. a magnetic block; 8. a tester; 9. a movable rod; 10. a spring; 11. pulling a plate; 12. a push rod; 13. fixing a column; 14. a guard; 141. a protective box; 142. an air bag; 143. fixing the rod; 144. a clamping block; 145. a gas storage tank; 146. and (4) connecting the pipes.

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: a calibration device of a zinc oxide arrester tester comprises a calibration box 1 and a protection device 14, wherein one side outer wall of the calibration box 1 is hinged with a box door 2, a placing plate 3 is fixedly connected between the inner walls of the calibration box 1, the inner wall of the placing plate 3 is provided with two sliding grooves 4, the number of the sliding grooves 4 is two, the inner walls of the two sliding grooves 4 are respectively and slidably connected with a sliding block 5, the top outer wall of the sliding block 5 is fixedly connected with a limiting plate 6, the tester 8 is arranged on the top outer wall of the placing plate 3 and positioned between the two limiting plates 6, one side outer wall of the limiting plate 6 is fixedly connected with a movable rod 9, one end of the movable rod 9 far away from the limiting plate 6 is fixedly connected with a pulling plate 11, the outer wall of one side of the pulling plate 11 close to the movable rod 9 is fixedly connected with a push rod 12, the outer wall of the movable rod 9 is fixedly connected with a fixed column 13, the protection device 14 comprises a protection box 141, and air bags 142 are respectively and fixedly connected with the two sides of the inner wall of the protection box 141, the fixing rod 143 is fixedly connected to the outer wall of one side of the air bag 142, the clamping block 144 is fixedly connected to one end, far away from the air bag 142, of the fixing rod 143, the gas storage tank 145 is fixedly connected to two sides of the inner wall of the protection box 141 and located on one side of the air bag 142, and the connecting pipe 146 is fixedly connected to the outer wall of one side of the gas storage tank 145.

In the embodiment, the box door 2 is opened, the pull plate 11 is pulled to pull the movable rod 9 outwards, so that the limiting plates 6 are driven to move towards two sides, when the sliding block 5 is in contact with the magnetic block 7, the pulling is stopped, the tester 8 is placed between the two limiting plates 6, then the limiting plates 6 move towards the direction close to the tester 8, and the two limiting plates 6 fix the tester 8; when the movable rod 9 moves towards the direction close to the tester 8, the pulling plate 11 drives the pushing rod 12 and the pushing plate to move in the gas storage box 145, so that gas moves in the air bag 142 through the connecting pipe 146, the air bag 142 expands, the clamping block 144 is driven to limit the fixed column 13, the speed of the spring 10 rebounding to drive the movable rod 9 to move is avoided, and the limiting plate 6 is damaged to the tester 8.

Specifically, the equal fixed connection of both sides inner wall of spout 4 has magnetic block 7, and the outer wall of slider 5 is connected with the outer wall magnetism of magnetic block 7, and limiting plate 6 is close to one side outer wall fixedly connected with blotter of tester 8.

In this embodiment, the magnetic block 7 is magnetically connected with the slider 5, so that the adjusted limiting plate 6 can be limited and fixed.

Specifically, the outer wall of the movable rod 9 is sleeved with a spring 10, and one end of the spring 10 is fixedly connected with the outer wall of one side of the protection box 141.

In this embodiment, when the movable rod 9 is pulled outwards, the spring 10 is compressed, and when the spring 10 loses compression, the movable rod 9 is rebounded to move.

Specifically, the fixing column 13 is a column with a different radius, and the fixing column 13 is disposed inside the protection box 141.

In this embodiment, the airbag 142 can better perform the deceleration processing on the movable rod 9 by setting the fixed columns 13 with different radiuses.

Specifically, one end of the push rod 12, which is far away from the pulling plate 11, is arranged inside the gas storage tank 145, and one end of the push rod 12, which is arranged inside the gas storage tank 145, is fixedly connected with a push plate.

In this embodiment, gas can be exhausted from gas storage tank 145 and absorbed into gas storage tank 145 by the movement of the push plate, which is the same principle as a syringe.

Specifically, one end of the connecting tube 146, which is far away from the gas storage tank 145, is fixedly connected with the inner wall of the airbag 142, and the airbag 142 is communicated with the gas storage tank 145 through the connecting tube 146.

In this embodiment, the flow of gas between the air bag 142 and the gas storage tank 145 is facilitated by the provision of the connection pipe 146.

The utility model discloses a theory of operation and use flow: when the tester is used, the box door 2 is opened, the movable rod 9 is pulled outwards by pulling the pull plate 11, the limiting plates 6 are further driven to move towards two sides, when the sliding block 5 is in contact with the magnetic block 7, the pulling is stopped, the tester 8 is placed between the two limiting plates 6, then the limiting plates 6 move towards the direction close to the tester 8, and the tester 8 is fixed by the two limiting plates 6; when the movable rod 9 moves towards the direction close to the tester 8, the pulling plate 11 drives the pushing rod 12 and the pushing plate to move in the gas storage box 145, so that gas moves in the air bag 142 through the connecting pipe 146, the air bag 142 expands, the clamping block 144 is driven to limit the fixed column 13, the speed of the spring 10 rebounding to drive the movable rod 9 to move is avoided, and the limiting plate 6 is damaged to the tester 8.

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 verifying attachment of zinc oxide arrester tester, includes verification case (1) and protector (14), its characterized in that: a box door (2) is hinged to the outer wall of one side of the checking box (1), a placing plate (3) is fixedly connected between the inner walls of the checking box (1), a sliding groove (4) is formed in the inner wall of the placing plate (3), the number of the sliding chutes (4) is two, the inner walls of the two sliding chutes (4) are both connected with sliding blocks (5) in a sliding way, the outer wall of the top of the sliding block (5) is fixedly connected with a limiting plate (6), a tester (8) is arranged on the outer wall of the top of the placing plate (3) and between the two limiting plates (6), the outer wall of one side of the limit plate (6) is fixedly connected with a movable rod (9), one end of the movable rod (9) far away from the limit plate (6) is fixedly connected with a pulling plate (11), a push rod (12) is fixedly connected to the outer wall of one side, close to the movable rod (9), of the pull plate (11), and a fixed column (13) is fixedly connected to the outer wall of the movable rod (9);

the protection device (14) comprises a protection box (141), the inner wall both sides of the protection box (141) are fixedly connected with air bags (142), one side outer wall fixedly connected with fixing rods (143) of the air bags (142), one end fixedly connected with clamping blocks (144) of the air bags (142) are kept away from the fixing rods (143), two sides of the inner wall of the protection box (141) are fixedly connected with gas storage boxes (145) on one side of the air bags (142), and one side outer wall fixedly connected with connecting pipes (146) of the gas storage boxes (145) are arranged.

2. The verification device of the zinc oxide arrester tester according to claim 1, characterized in that: the equal fixedly connected with magnetism piece (7) of both sides inner wall of spout (4), the outer wall magnetism of the outer wall of slider (5) and magnetism piece (7) is connected, limiting plate (6) are close to one side outer wall fixedly connected with blotter of tester (8).

3. The verification device of the zinc oxide arrester tester according to claim 1, characterized in that: the outer wall of the movable rod (9) is sleeved with a spring (10), and one end of the spring (10) is fixedly connected with the outer wall of one side of the protection box (141).

4. The verification device of the zinc oxide arrester tester according to claim 1, characterized in that: the fixed column (13) is in a column shape with different radiuses, and the fixed column (13) is arranged inside the protective box (141).

5. The verification device of the zinc oxide arrester tester according to claim 1, characterized in that: the one end that arm-tie (11) was kept away from in push rod (12) sets up in the inside of gas storage box (145), one end fixedly connected with push pedal that push rod (12) set up in gas storage box (145).

6. The verification device of the zinc oxide arrester tester according to claim 1, characterized in that: one end of the connecting pipe (146) far away from the gas storage tank (145) is fixedly connected with the inner wall of the air bag (142), and the air bag (142) is communicated with the gas storage tank (145) through the connecting pipe (146).