CN217360074U

CN217360074U - Direct current resistance tester convenient to fix during test

Info

Publication number: CN217360074U
Application number: CN202220008548.0U
Authority: CN
Inventors: 周琳
Original assignee: Tianjin Kude Electric Equipment Co ltd
Current assignee: Tianjin Kude Electric Equipment Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-09-02
Anticipated expiration: 2032-01-05

Abstract

The utility model relates to the technical field of direct current resistance tester, in particular to a direct current resistance tester convenient to fix during testing, which comprises a box body and a binding post, the outer side of the binding post is electrically connected with one end of a wire, the other end of the wire is fixedly connected with a fixing device, the right end face of the box body is fixedly connected with a shell, the inner side of the right end face of the shell is fixedly connected with a fixed plate, the left end face of the fixed plate is fixedly connected with a right buffer pad, the inner side of the left end face of the shell is fixedly connected with a limiting plate and one end of a compression spring, the other end of the compression spring is fixedly connected with a clamping plate, the outer side of the clamping plate is connected with the inner side of the limiting plate in a sliding way, the right end face of the clamping plate is fixedly connected with a left buffer pad, thus, after the direct current resistance testing is completed, the collected wire and the fixing device are placed in the shell, and the elastic potential energy of the limiting plate sliding in the limiting plate and the compression spring is utilized, the conducting wire and the fixing device are clamped, so that the conducting wire is prevented from being scattered, and the working efficiency is improved.

Description

Direct current resistance tester convenient to fix during test

Technical Field

The utility model relates to a direct current resistance tester technical field specifically is a direct current resistance tester convenient to fix during test.

Background

Along with the development of society, the application of a direct current resistance tester is increasingly wide, a direct current resistance test is an indispensable test project after a transformer is handed over, overhauled and a tap switch is changed, under a common condition, the direct current resistance of a transformer winding and a high-power inductive device is measured by a traditional method (a bridge method and a voltage drop method) which is a time-consuming and labor-consuming work, in order to change the condition, shorten the measurement time and reduce the work load of a tester, the direct current resistance rapid tester is developed, a test end of the traditional direct current resistance tester is generally designed in a vice type clamping manner, the test end is directly clamped at a test port, but the situation that the clamping is not firm and is easy to fall off can occur during the clamping, and the situation that the clamping cannot be carried out due to the overlarge volume of a clamping part in some use scenes can bring certain difficulty to the measurement work, therefore, a direct current resistance tester which is convenient to fix during testing is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current resistance tester convenient to fix during test to can take place the problem that the centre gripping insecure drops easily when solving the centre gripping that proposes in 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 direct current resistance tester convenient to fix during test, includes box and terminal, the outside electric connection of terminal has the one end of wire, the other end fixedly connected with fixing device of wire, the right-hand member face fixedly connected with casing of box, the right-hand member face inside fixedly connected with fixed plate of casing, the left end face fixedly connected with right blotter of fixed plate, the inboard fixedly connected with limiting plate of the left end face of casing and compression spring's one end, compression spring's other end fixedly connected with cardboard, the preceding terminal surface fixedly connected with handle of cardboard, the outside of cardboard and the inboard sliding connection of limiting plate, the right-hand member face fixedly connected with left blotter of cardboard.

Preferably: the limiting plates and the compression springs are symmetrically arranged on two sides of the clamping plate.

Preferably: fixing device includes briquetting down, the spout has been seted up to the inboard of briquetting down, the inboard sliding connection of spout has down detects the piece, contact block under the up end fixedly connected with of detecting the piece down, the outside contact of contact block has the detection post down, the outside contact of detection post has last contact block, go up and detect the piece on the outside fixedly connected with of contact block, the outside sliding connection who goes up the detection piece has last briquetting, the lower terminal surface contact of briquetting has the gasket down, the lower terminal surface contact of gasket has the commentaries on classics piece, the up end fixedly connected with threaded rod of commentaries on classics piece, the threaded rod runs through the inboard screwed connection of briquetting and last briquetting down.

Preferably, the following components: the upper end face of the lower detection block, the lower contact block, the upper contact block and the lower end face of the upper detection block are all arc-shaped.

Preferably: the upper contact block and the lower contact block are both made of brass.

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

1. the utility model discloses in, through the fixed plate, right blotter, stopper, compression spring, cardboard and the handle that sets up, can detect at the direct current resistance and accomplish the back, will receive wire and fixing device and place in the casing, utilize the cardboard to slide in the limiting plate and compression spring's elastic potential energy, press from both sides tightly wire and fixing device, prevented the in disorder of wire, improved work efficiency.

2. The utility model discloses in, through the lower briquetting, lower chute, lower detection piece, lower contact block, go up briquetting and threaded rod that set up, can make the threaded rod drive the briquetting rebound when the commentaries on classics piece rotates to detect the piece and go up contact block rebound on the drive, then the cooperation is detected the piece and is detected the slip of piece in the spout with last under, and the realization is fixed to the clamp of detecting the post, has prevented to appear not hard up the condition that drops in the testing process, has improved the success rate that detects.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1-shell, 2-box, 3-binding post, 4-wire, 5-fixing device, 501-lower pressing block, 502-sliding groove, 503-lower detection block, 504-lower contact block, 505-upper contact block, 506-upper detection block, 507-upper pressing block, 508-gasket, 509-rotating block, 510-threaded rod, 6-fixing plate, 7-right buffer cushion, 8-limiting plate, 9-compression spring, 10-clamping plate, 11-left buffer cushion, 12-detection column and 13-handle.

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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …", "above … …", "above … …, on a surface", "above", and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Referring to fig. 1-3, the present invention provides a technical solution:

a direct current resistance tester convenient to fix during testing comprises a box body 2 and a binding post 3, one end of a wire 4 is electrically connected to the outer side of the binding post 3, a fixing device 5 is fixedly connected to the other end of the wire 4, a shell 1 is fixedly connected to the right end face of the box body 2, a fixing plate 6 is fixedly connected to the inner side of the right end face of the shell 1, a right cushion pad 7 is fixedly connected to the left end face of the fixing plate 6, a limiting plate 8 and one end of a compression spring 9 are fixedly connected to the inner side of the left end face of the shell 1, a clamping plate 10 is fixedly connected to the other end of the compression spring 9, a handle 13 is fixedly connected to the front end face of the clamping plate 10, the outer side of the clamping plate 10 is in sliding connection with the inner side of the limiting plate 8, a left cushion pad 11 is fixedly connected to the right end face of the clamping plate 10, so that the collected wire 4 and the fixing device 5 can be placed in the shell 1 after the direct current resistance testing is completed, the clamping plate 10 slides in the limiting plate 8 and the elastic potential energy of the compression spring 9 is utilized, the wire 4 and the fixing device 5 are clamped, the scattering of the wire 4 is prevented, the working efficiency is improved, two limiting plates 8 and two compression springs 9 are arranged, the limiting plates 8 and the compression springs 9 are symmetrically arranged on two sides of a clamping plate 10, so that the stress of the wire 4 and the fixing device 5 is more balanced, the fixing device 5 comprises a lower pressing block 501, a sliding groove 502 is arranged on the inner side of the lower pressing block 501, a lower detection block 503 is slidably connected on the inner side of the sliding groove 502, a lower contact block 504 is fixedly connected on the upper end face of the lower detection block 503, a detection column 12 is contacted on the outer side of the lower contact block 504, an upper contact block 505 is contacted on the outer side of the detection column 12, an upper detection block 506 is fixedly connected on the outer side of the upper contact block 505, an upper pressing block 507 is slidably connected on the outer side of the upper detection block 506, a gasket 508 is contacted on the lower end face of the lower pressing block 501, a rotating block 509 is contacted on the lower end face of the gasket 508, a threaded rod 510 is fixedly connected on the upper end face of the rotating block 509, threaded rod 510 runs through the inboard threaded connection of briquetting 501 and last briquetting 507 down, can make threaded rod 510 drive briquetting 507 downstream like this when changeing piece 509 and rotating, thereby detect piece 506 and last contact piece 505 downstream in the drive, then detect the slip of piece 503 and last detection piece 506 in spout 502 down in the cooperation, the realization is fixed to the clamp of detecting post 12, the condition that the looseness drops in the testing process appears has been prevented, the success rate of detection has been improved, the up end of detecting piece 503 down, lower contact block 504, the shape of going up the lower terminal surface of contact piece 505 and last detection piece 506 is the arc setting, can make the contact of last contact piece 504 and lower contact piece 504 and detection post 12 inseparabler like this, the material of going up contact piece 505 and lower contact piece 504 is the brass material, can make the more smooth of current conduction like this, improve the precision of detection.

The working process is as follows: when the detection end needs to detect the direct current resistance, firstly, the box body 2 and the detection end need to be well grounded, then one end of a lead 4 is electrically connected with a binding post 3, then the lower detection block 503 and the lower contact block 504 are moved to proper positions to be contacted with the detection post 12, then the rotating block 509 is rotated, the upper pressing block 501 moves downwards under the rotation of the threaded rod 510, meanwhile, the positions of the upper contact block 505 and the upper detection block 506 are adjusted to be attached to the detection post 12, then the rotating block is continuously rotated to enable the upper contact block and the lower contact block to be tightly contacted with the detection post, at the moment, the power supply of the box body 2 is started, the direct current resistance of the detection end can be measured, after the measurement is finished, the power supply is turned off, all components are reset, then the lead 4 and the fixing device 5 are received, the pull handle 13 is pulled leftwards, the card 10 slides to the left in the limiting plate 8, then the collected wires 4 and the fixing device 5 are placed on the right cushion pad 7, the handle 13 is loosened at this time, the card 10 slides to the right under the elastic recovery of the compression spring 9, and the left cushion pad 11 and the right cushion pad 7 clamp the wires 4 and the fixing device 5.

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 direct current resistance tester convenient to it is fixed during test, includes box (2) and terminal (3), its characterized in that: the utility model discloses a binding post, including terminal (3), right-hand member face fixedly connected with casing (1), the right-hand member face fixedly connected with casing (1) of box (2), the right-hand member face inboard fixedly connected with fixed plate (6) of casing (1), the left end face fixedly connected with right blotter (7) of fixed plate (6), the inboard fixedly connected with limiting plate (8) of the left end face of casing (1) and the one end of compression spring (9), the other end fixedly connected with cardboard (10) of compression spring (9), the preceding terminal surface fixedly connected with handle (13) of cardboard (10), the outside of cardboard (10) and the inboard sliding connection of limiting plate (8), the right-hand member face fixedly connected with left blotter (11) of cardboard (10).

2. A direct current resistance tester which is easy to fix at the time of test according to claim 1, characterized in that: the limiting plates (8) and the compression springs (9) are two in number, and the limiting plates (8) and the compression springs (9) are symmetrically arranged on two sides of the clamping plate (10).

3. A direct current resistance tester which is easy to fix at the time of test according to claim 1, characterized in that: the fixing device (5) comprises a lower pressing block (501), the inner side of the lower pressing block (501) is provided with a sliding groove (502), the inner side of the sliding groove (502) is connected with a lower detection block (503) in a sliding way, the upper end surface of the lower detection block (503) is fixedly connected with a lower contact block (504), the outer side of the lower contact block (504) is contacted with a detection column (12), the outer side of the detection column (12) is contacted with an upper contact block (505), the outer side of the upper contact block (505) is fixedly connected with an upper detection block (506), the outer side of the upper detection block (506) is connected with an upper pressing block (507) in a sliding way, the lower end surface of the lower pressing block (501) is contacted with a gasket (508), the lower end surface of the gasket (508) is contacted with a rotating block (509), the upper end surface of the rotating block (509) is fixedly connected with a threaded rod (510), the threaded rod (510) penetrates through the lower pressing block (501) and is in spiral connection with the inner side of the upper pressing block (507).

4. A direct current resistance tester which is easy to fix at the time of test according to claim 3, characterized in that: the upper end face of the lower detection block (503), the lower contact block (504), the upper contact block (505) and the lower end face of the upper detection block (506) are all arc-shaped.

5. A direct current resistance tester which is easy to fix at the time of test according to claim 3, characterized in that: the upper contact block (505) and the lower contact block (504) are both made of brass.