CN219978511U - Comprehensive tester for mutual inductor - Google Patents

Abstract

The utility model relates to the technical field of testers, and discloses a comprehensive tester for a transformer, which comprises: the top of the base is provided with a detector body; the inside of base is provided with the lifting assembly, the lifting assembly includes: the four shells are arranged, and the symmetrical top parts penetrate through the bottom of the base and are fixedly connected with the base; the lifting blocks are provided with a plurality of lifting blocks, and are all arranged in the shell in a sliding manner; the wheels are arranged at the bottom of each lifting block; the detector only needs to pull the pull rod when the height of the wheel is adjusted and the wheel is contracted through the lifting assembly. Compared with the prior device, the device is simpler and more convenient to adjust. This detector holds the U-shaped pole at this moment the setting of sponge cover through auxiliary assembly when removing the detector body and can make the surface softer, promotes the U-shaped pole at this moment and removes the position of base more convenient.

Description

Comprehensive tester for mutual inductor

Technical Field

The utility model relates to the technical field of testers, in particular to a comprehensive tester for a transformer.

Background

The comprehensive tester for the transformer is a transformer field tester developed by analyzing a mathematical model of the transformer in detail on the basis of successfully developing a transformer calibrator, and can measure CT volt-ampere characteristics and curves, 5% error curves, 10% error curves, direct resistance and transformation ratio polarities according to national standards and directly measure the transformation ratio of a voltage transformer.

The utility model discloses a novel comprehensive tester for the characteristics of a mutual inductor, which is disclosed in the Chinese patent specification CN212646968U, and designs a detection device convenient to move.

However, when the existing device is used, the wheels need to be recovered into the base after the tester is moved to a proper position, and the whole device is not stable enough due to the arrangement of the wheels. Therefore, the inserted link needs to be pressed in sequence to retract, and the wheel is pushed into the base until one end of the inserted link is inserted into the groove body on the inner side wall of the base. The handling of each wheel is cumbersome. Therefore, a tester with a simpler retractable wheel is designed for solving the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a comprehensive tester for a transformer, which has the advantages of simplicity and convenience in folding and unfolding wheels, and solves the problem that the existing device can be too trouble in stabilizing the device only by processing each wheel.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the instrument for testing the mutual inductor comprises: the top of the base is provided with a detector body; the inside of base is provided with the lifting assembly, the lifting assembly includes: the four shells are arranged, and the symmetrical top parts penetrate through the bottom of the base and are fixedly connected with the base; the lifting blocks are provided with a plurality of lifting blocks, and are all arranged in the shell in a sliding manner; the wheels are arranged at the bottom of each lifting block; the first springs are arranged at the top of each lifting block; the upright rods are arranged at the top of each lifting block, penetrate through the inside of the first spring and penetrate through the inner side wall of the top of the lifting block; the sleeve is arranged on the inner side wall of the base; one end of the pull rod penetrates through the outer side wall of one side of the base and is inserted into the sleeve; the baffle plates are symmetrically arranged on the outer side wall of the pull rod; the stop block is arranged on the outer side wall of the pull rod; and the second spring is arranged on the outer side wall of the pull rod, and one end of the second spring is connected with one side of the stop block.

Preferably: the outer side wall of the lifting block is attached to the inner side wall of the shell.

Preferably: the width of the baffle is larger than that of the vertical rod.

Preferably: the lifting assembly further comprises: the pull button is arranged at one end of the second spring.

Preferably: the lifting assembly further comprises: the U-shaped grooves are symmetrically arranged on the inner side wall of the top of the base.

Preferably: the top of base is provided with auxiliary assembly, auxiliary assembly still includes: the stand pipes are symmetrically arranged at the top of the base; a U-shaped rod with a bottom inserted into the interior of the riser; and bolts penetrate through the outer side wall of each base and are in threaded connection with the bases.

Preferably: the auxiliary assembly further comprises: the sponge sleeve is arranged on the outer side wall of the U-shaped rod.

(III) beneficial effects

Compared with the prior art, the utility model provides a comprehensive tester for a transformer, which has the following beneficial effects:

1. the detector only needs to pull the pull rod when the height of the wheel is adjusted and the wheel is contracted through the lifting assembly. Compared with the prior device, the device is simpler and more convenient to adjust.

2. This detector holds the U-shaped pole at this moment the setting of sponge cover through auxiliary assembly when removing the detector body and can make the surface softer, promotes the U-shaped pole at this moment and removes the position of base more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the base housing and base connection of the present utility model;

FIG. 3 is a schematic view of the structure of the inside of the base of the present utility model;

FIG. 4 is a schematic view of the connection of the riser to the base.

In the figure: 11. a base; 12. a detector body;

2. a lifting assembly; 21. a housing; 22. a lifting block; 23. a wheel; 24. a first spring; 25. a vertical rod; 26. a sleeve; 27. a pull rod; 271. a baffle; 28. a stop block; 29. a second spring; 291. pulling a button; 292. a U-shaped groove;

3. an auxiliary component; 31. a riser; 32. a U-shaped rod; 33. a bolt; 34. a sponge sleeve.

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.

Example 1

Referring to fig. 1-4, a comprehensive tester for a transformer includes: a base 11, wherein a detector body 12 is arranged at the top of the base 11; the inside of base 11 is provided with lifting assembly 2, lifting assembly 2 includes: the four shells 21 are arranged, and the symmetrical top parts of the shells penetrate through the bottom of the base 11 and are fixedly connected with the base 11; a plurality of lifting blocks 22 slidably provided in the interior of each of the housings 21; wheels 23 provided in plural at the bottom of each of the lifting blocks 22; a plurality of first springs 24, each disposed on top of each lifting block 22; the plurality of upright rods 25 are arranged at the top of each lifting block 22, penetrate through the inside of the first spring 24 and penetrate through the inner side wall of the top of the lifting block 22; a sleeve 26 provided on an inner side wall of the base 11; a pull rod 27 having one end penetrating through an outer sidewall of one side of the base 11 and inserted into the inside of the sleeve 26; the baffles 271 are symmetrically arranged on the outer side wall of the pull rod 27; a stopper 28 provided on an outer side wall of the tie rod 27; and a second spring 29 which is arranged on the outer side wall of the pull rod 27 and one end of which is connected with one side of the stop block 28. The outer side wall of the lifting block 22 is attached to the inner side wall of the housing 21. The width of the baffles 271 is greater than the width of the uprights 25. The lifting assembly 2 further comprises: the pull button 291 is disposed at one end of the second spring 29. The lifting assembly 2 further comprises: the U-shaped groove 292 is symmetrically arranged on the top inner side wall of the base 11. When the detector body 12 is required to be moved in use, the pull button 291 can be pulled to enable the pull rod 27 to move, the baffle 271 and the upright rod 25 are driven to be staggered, at the moment, the base 11 is lifted upwards, at the moment, the first spring 24 is in rebound to push the lifting block 22 to slide downwards, so that the wheel 23 stretches out of the shell 21, at the same time, the upright rod 25 is moved downwards, at the moment, the pull button 291 is loosened, the second spring 29 is in rebound to push the stop dog 28 to enable the pull rod 27 to move, so that the baffle 271 is moved to the top of the upright rod 25, at the moment, the base 11 is loosened, because the baffle 271 is arranged, the position of the upright rod 25 is fixed, the U-shaped groove 292 is arranged, the baffle 271 can be further fixed, the detector body 12 is moved to a proper position by the wheel 23 to work, at the moment, the pull button 291 is pulled to enable the baffle 271 and the upright rod 25 to be staggered, at the moment, the first spring 24 is compressed, the upright rod 25 is lifted to be inserted into the U-shaped groove 292, and the shell 21 can be fixed, so that the base 11 is more stable.

Example two

An auxiliary component is added on the basis of the first embodiment;

referring to fig. 1-4, the top of the base 11 is provided with an auxiliary assembly 3, and the auxiliary assembly 3 further includes: the risers 31 are symmetrically arranged on the top of the base 11; a U-shaped rod 32, the bottom of which is inserted into the interior of the riser 31; bolts 33 penetrate through the outer side walls of each base 11 and are screwed with the base 11. The auxiliary assembly 3 further comprises: a sponge sleeve 34 is disposed on the outer side wall of the U-shaped rod 32. The surface can be softer by holding the U-shaped rod 32 by hand while moving the detector body 12, and the position of the base 11 can be more convenient by pushing the U-shaped rod 32.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The instrument for testing the mutual inductor comprises:

the device comprises a base (11), wherein a detector body (12) is arranged at the top of the base (11);

the method is characterized in that: the inside of base (11) is provided with lift subassembly (2), lift subassembly (2) include:

the shell (21) is arranged at the bottom of the base (11) in a way that the top parts of the four shell bodies are symmetrical in pairs, and the shell bodies are fixedly connected with the base (11);

a plurality of lifting blocks (22) which are arranged in the shell (21) in a sliding manner;

wheels (23) which are provided in plurality and are arranged at the bottom of each lifting block (22);

the first springs (24) are arranged at the top of each lifting block (22);

the upright rods (25) are arranged at the top of each lifting block (22), penetrate through the inside of the first spring (24) and penetrate through the inner side wall of the top of the lifting block (22);

a sleeve (26) provided on the inner side wall of the base (11);

a pull rod (27) having one end penetrating through one side outer wall of the base (11) and inserted into the inside of the sleeve (26);

the baffles (271) are symmetrically arranged on the outer side wall of the pull rod (27);

a stopper (28) provided on the outer side wall of the pull rod (27);

and a second spring (29) which is arranged on the outer side wall of the pull rod (27) and one end of which is connected with one side of the stop block (28).

2. The instrument transformer integrated tester of claim 1, wherein: the outer side wall of the lifting block (22) is attached to the inner side wall of the shell (21).

3. The instrument transformer integrated tester of claim 1, wherein: the width of the baffle (271) is greater than the width of the upright (25).

4. The instrument transformer integrated tester of claim 1, wherein: the lifting assembly (2) further comprises:

and a pull button (291) arranged at one end of the second spring (29).

5. The instrument transformer integrated tester of claim 1, wherein: the lifting assembly (2) further comprises:

and the U-shaped grooves (292) are symmetrically arranged on the inner side wall at the top of the base (11).

6. The instrument transformer integrated tester of claim 1, wherein: the top of base (11) is provided with auxiliary assembly (3), auxiliary assembly (3) still include:

the vertical pipes (31) are symmetrically arranged at the top of the base (11);

-a U-shaped rod (32), the bottom of which is inserted inside the riser (31);

and bolts (33) penetrate through the outer side walls of each base (11) and are in threaded connection with the bases (11).

7. The instrument transformer integrated tester of claim 6, wherein: the auxiliary assembly (3) further comprises:

and the sponge sleeve (34) is arranged on the outer side wall of the U-shaped rod (32).