CN214135677U

CN214135677U - Novel special fixture for transformer test

Info

Publication number: CN214135677U
Application number: CN202022657324.6U
Authority: CN
Inventors: 宫政
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-09-07
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a novel special fixture for transformer test, which comprises a base, a transformer body and a cover plate, wherein the upper end of the base is provided with an opening, the upper end of the base is provided with the cover plate, the cover plate is connected with the base through a hinge, the lower end of the transformer body is provided with a lifting plate, the lower ends of two sides of the lifting plate are fixedly connected with support rods, the lower ends of the support rods penetrate through a support plate, the lower end of the middle part of the support plate is fixedly connected with a support column, the support column is fixedly connected with the bottom end of the base, the support rods are sleeved with support springs at the upper end of the support plate, the transformer body is fixed by utilizing a wedge block and the support plate, when the transformer body needs to be taken out, only a handle needs to be pulled outwards to separate the wedge block from the transformer body, the taking out of the transformer body can be realized, the special fixture has simple structure, and is convenient for fixing and taking out of the transformer body, thereby facilitating testing use.

Description

Novel special fixture for transformer test

Technical Field

The utility model relates to a transformer test technical field specifically is a novel special fixture that transformer test was used.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

The electronic scale transformer needs to be tested before use, the existing transformer test fixture utilizes the lead screw to fix the transformer, the structure is complex, and the fixing and taking out are complex. Therefore, we provide a novel special fixture for transformer testing to solve the above problems in the background art.

Disclosure of Invention

An object of the utility model is to provide a novel special fixture for transformer test to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel special fixture for transformer test, includes base, transformer body and apron, the upper end department of base is equipped with the opening, and the base upper end is equipped with the apron, and the apron passes through hinge rotation connection base, transformer body's lower extreme is equipped with the lifter plate, the both sides lower extreme fixed connection bracing piece of lifter plate, and the lower extreme of bracing piece runs through the backup pad, the middle part lower extreme fixed connection support column of backup pad, the bottom of support column fixed connection base, the upper end department cover that the bracing piece is located the backup pad is equipped with supporting spring, the lower extreme department fixedly connected with stopper of bracing piece, both sides upper end department in the base is equipped with the wedge, and the draw-in groove has been seted up with transformer body bottom junction to the wedge, and the inclined plane of wedge is towards transformer body.

As a further aspect of the present invention, the support bar is perpendicular to the lifter plate and the support bar is slidably connected to the support plate.

As the utility model discloses further scheme again, the one end fixedly connected with movable rod of transformer body is kept away from to the wedge.

As the utility model discloses further scheme again, movable rod perpendicular to wedge, movable rod run through the outer wall of base, and movable rod sliding connection base.

As the utility model discloses scheme further again, the port department that the movable rod is located the base outside installs the handle, and the movable rod is located the inside department cover of base and is equipped with clamping spring.

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

open the apron, insert the transformer body in the opening, the bottom and the lifter plate contact of transformer body, the both ends of transformer body and the inclined plane contact of wedge, continue to press down the transformer body, the wedge moves to the outside, make the movable rod move to the outside, clamping spring is compressed, and simultaneously, the lifter plate moves down, the backup pad moves down, supporting spring is compressed, when the both ends embedding draw-in groove of transformer body, under supporting spring and clamping spring's effect, it is fixed with the transformer body to utilize wedge and backup pad, when needing to take out the transformer body, only need outwards stimulate the handle, make wedge and transformer body separation, can realize taking out of transformer body, this special fixture simple structure, be convenient for the fixing of transformer body and take out, thereby convenient to test and use.

Drawings

Fig. 1 is a schematic structural diagram of a novel special fixture for transformer testing.

Fig. 2 is a schematic structural diagram of a transformer body fixing structure in a novel special fixture for testing a transformer.

Fig. 3 is a top view of a base in the novel special fixture for testing the transformer.

In the figure: 1-base, 2-transformer body, 3-cover plate, 4-opening, 5-hinge, 6-lifting plate, 7-support rod, 8-support plate, 9-support column, 10-support spring, 11-limiting block, 12-wedge block, 13-clamping groove, 14-movable rod, 15-handle and 16-clamping spring.

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 to 3, in the embodiment of the present invention, a novel special fixture for testing a transformer includes a base 1, a transformer body 2 and a cover plate 3, an opening 4 is disposed at an upper end of the base 1, the cover plate 3 is disposed at an upper end of the base 1, the base 1 is rotatably connected to the cover plate 3 through a hinge 5, a lifting plate 6 is disposed at a lower end of the transformer body 2, support rods 7 are fixedly connected to lower ends of two sides of the lifting plate 6, the support rods 7 are perpendicular to the lifting plate 6, the lower end of the support rods 7 penetrates through a support plate 8, the support rods 7 are slidably connected to the support plate 8, a support column 9 is fixedly connected to a lower end of a middle portion of the support plate 8, the support column 9 is fixedly connected to a bottom end of the base 1, a support spring 10 is sleeved at an upper end of the support plate 8, a stopper 11 is fixedly connected to a lower end of the support rods 7, and a wedge 12 is disposed at upper ends of two sides in the base 1, draw-in groove 13 has been seted up with 2 bottom junctions of transformer body to wedge 12, and the inclined plane of wedge 12 is towards transformer body 2, transformer body 2's one end fixedly connected with movable rod 14 is kept away from to wedge 12, and movable rod 14 perpendicular to wedge 12, movable rod 14 run through base 1's outer wall, and movable rod 14 sliding connection base 1, and the port department that movable rod 14 is located the base 1 outside installs handle 15, and movable rod 14 is located base 1 inside department cover and is equipped with clamping spring 16.

The utility model discloses a theory of operation is:

when the special fixture is used, the cover plate 3 is opened, the transformer body 2 is inserted into the opening 4, the bottom end of the transformer body 2 is contacted with the lifting plate 6, two ends of the transformer body 2 are contacted with the inclined surfaces of the wedge blocks 12, the transformer body 2 is continuously pressed, the wedge blocks 12 move outwards, the movable rods 14 move outwards, the clamping springs 16 are compressed, meanwhile, the lifting plate 6 moves downwards, the supporting plate 8 moves downwards, the supporting springs 10 are compressed, when two ends of the transformer body 2 are embedded into the clamping grooves 13, the transformer body 2 is fixed by the wedge blocks 12 and the supporting plate 8 under the action of the supporting springs 10 and the clamping springs 16, when the transformer body 2 needs to be taken out, the pull handle 15 is pulled outwards only to separate the wedge blocks 12 from the transformer body 2, the transformer body 2 can be taken out, the special fixture is simple in structure, and is convenient for fixing and taking out the transformer body 2, thereby facilitating testing use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel special fixture for testing a transformer comprises a base (1), a transformer body (2) and a cover plate (3), and is characterized in that an opening (4) is formed in the upper end of the base (1), the cover plate (3) is arranged at the upper end of the base (1), the cover plate (3) is rotatably connected with the base (1) through a hinge (5), a lifting plate (6) is arranged at the lower end of the transformer body (2), supporting rods (7) are fixedly connected with the lower ends of the two sides of the lifting plate (6), the lower ends of the supporting rods (7) penetrate through a supporting plate (8), a supporting column (9) is fixedly connected with the lower end of the middle of the supporting plate (8), the supporting column (9) is fixedly connected with the bottom end of the base (1), a supporting spring (10) is sleeved at the upper end of the supporting plate (8) of the supporting rod (7), and a limiting block (11) is fixedly connected with the lower end of the supporting rod (7), wedge blocks (12) are arranged at the upper ends of the two sides in the base (1), clamping grooves (13) are formed in the connecting positions of the wedge blocks (12) and the bottom of the transformer body (2), and the inclined surfaces of the wedge blocks (12) face the transformer body (2).

2. The novel special fixture for testing the transformer according to claim 1, wherein the supporting rod (7) is perpendicular to the lifting plate (6), and the supporting rod (7) is slidably connected with the supporting plate (8).

3. The novel special fixture for testing the transformer as claimed in claim 1, wherein a movable rod (14) is fixedly connected to one end of the wedge block (12) far away from the transformer body (2).

4. The novel special fixture for testing the transformer according to claim 3, wherein the movable rod (14) is perpendicular to the wedge-shaped block (12), the movable rod (14) penetrates through the outer wall of the base (1), and the movable rod (14) is slidably connected with the base (1).

5. The novel special fixture for testing the transformer according to claim 4, wherein a port of the movable rod (14) located at the outer side of the base (1) is provided with a handle (15), and a clamping spring (16) is sleeved at a position of the movable rod (14) located inside the base (1).