CN219202921U

CN219202921U - Clamping piece of dry-type transformer

Info

Publication number: CN219202921U
Application number: CN202320809877.XU
Authority: CN
Inventors: 马霖敏; 高昂; 洪布双; 韦新松; 张勇
Original assignee: Jiangsu Zhongqing Advanced Battery Manufacturing Co ltd
Current assignee: Jiangsu Zhongqing Advanced Battery Manufacturing Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-16
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the technical field of dry-type transformer components, in particular to a dry-type transformer clamp, which includes two sets of coil splints distributed symmetrically up and down, and the front and rear ends of the opposite sides of the two sets of coil splints are connected with iron core clamps The two sets of iron core clips on the same side are symmetrically arranged with external fixing plates left and right, and the two sets of external fixing plates on the same side are connected with fixed pull rods symmetrically front and back. A pressure detection shell is arranged between the iron core clips, and a display controller is installed on the side of one group of the coil splints. In the utility model, four sets of fixed pull rods pass through the inside of the first chute in the coil splint and The inside of the second chute in the outer fixing plate slides back and forth, which can adjust the position of the front and rear two iron core clamps, and adopts an adjustable locking structure, which can adapt to and clamp iron cores of different thicknesses within a certain range , without the need for different clips of different sizes, which improves the applicability of the product.

Description

Clamping piece of dry-type transformer

Technical Field

The utility model relates to the technical field of dry-type transformer parts, in particular to a clamp for a dry-type transformer.

Background

The clamping piece device of the dry type transformer is suitable for clamping iron cores of the dry type transformer, and the existing clamping piece of the dry type transformer still has the defects in use: 1. the upper clamping piece and the lower clamping piece are fixedly connected through the pull rod, however, the position of the pull rod is fixed, the position cannot be adjusted, iron cores and coils with different thicknesses cannot be matched, and the applicability is low; 2. after long-term use, the possibility that the nuts at the two ends of the pull rod are loosened is probable, however, slight looseness and displacement are not easy to find, the stability of the clamping piece is reduced, and the workload of overhauling workers is increased after one-by-one inspection.

Therefore, it is important to design a clamping piece of dry-type transformer to improve the overall practicality by changing the technical defects.

Disclosure of Invention

The present utility model is directed to a clamping piece for a dry-type transformer, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the dry-type transformer clamping piece comprises two groups of coil clamping pieces which are vertically and symmetrically distributed, wherein the front end and the rear end of the opposite sides of the two groups of coil clamping pieces are respectively connected with an iron core clamping piece, the outer sides of the two groups of iron core clamping pieces on the same side are symmetrically provided with outer fixing plates, fixing pull rods are longitudinally and symmetrically connected between the two groups of outer fixing plates on the same side, a pressure detection shell is arranged between the two groups of iron core clamping pieces on the same side, and a display controller is arranged on the side edge of one group of coil clamping pieces;

the inside of pressure detection shell is installed pressure spring, both ends are provided with the pressurization board respectively around the pressure detection shell, the pressurization board is connected with the extrusion pole towards one side of pressure detection shell, the one end of extrusion pole extends to the inside of pressure detection shell and is connected with the butt plectane that uses with pressure spring cooperation, pressure sensor is installed towards one side of pressure spring to the butt plectane.

As a preferable scheme of the utility model, the coil clamping plate is internally provided with a rectangular groove extending along the length direction of the coil clamping plate, the coil clamping plate is internally provided with first sliding grooves extending along the width direction of the coil clamping plate and positioned at the left side and the right side of the rectangular groove, and the outer fixing plate is internally provided with second sliding grooves extending along the width direction of the outer fixing plate.

As a preferable scheme of the utility model, the left side and the right side of the top and the bottom of the iron core clamping piece and the positions corresponding to the fixed pull rods are respectively provided with an assembly through hole, and the iron core clamping piece is of a concave structural design with an outward opening.

As the preferable scheme of the utility model, four groups of fixed pull rods are arranged, the fixed pull rods respectively penetrate through the first sliding groove and the second sliding groove and are in sliding connection with the coil clamping plate and the outer fixed plate, and locking nuts are connected with the top and the bottom of the fixed pull rods in a threaded manner.

As a preferable mode of the utility model, the pressing plate is fixedly arranged on the inner side of the iron core clamping piece through bolts.

As a preferable scheme of the utility model, the display controller is connected with the pressure sensor through a wire, and the connection mode is electric connection.

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

1. according to the utility model, through the arrangement of the dry-type transformer clamping piece, the four groups of fixed pull rods slide back and forth through the inside of the first sliding groove in the coil clamping plate and the inside of the second sliding groove in the outer fixed plate, the positions of the front iron core clamping piece and the rear iron core clamping piece can be adjusted, an adjustable locking structure is adopted, iron cores with different thicknesses can be adapted to and clamped in a certain range, different clamping pieces with different sizes are not needed, and the applicability of products is improved.

2. According to the utility model, through the arrangement of the dry-type transformer clamping piece, the pressure detection shell is arranged between every two groups of adjacent iron core clamping pieces, the outer side of the pressurizing plate is fixedly arranged on the inner side of the iron core clamping piece, in normal use, the elastic pressure of the pressure spring is transmitted to two ends and acts on the abutting circular plate and the extruding rod, so that the thrust force born by the pressurizing plate acts on the iron core clamping piece all the time, the iron core clamping piece and the fixed pull rod are supported by force, the fixed pull rod can be more stable and difficult to loosen, and when slight displacement occurs, the pressure value between the pressure sensor on the abutting circular plate and the pressure spring can be detected and displayed on the display controller, and the pressure detection personnel can carry out targeted maintenance after finding that the value changes, so that the dry-type transformer clamping piece is more convenient and rapid and has high efficiency.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a split view of the overall structure of the present utility model;

FIG. 3 is a partially disassembled structural view of the pressure detecting housing of the present utility model.

In the figure: 1. a coil clamping plate; 101. rectangular grooves; 102. a first chute; 2. an iron core clamping piece; 3. an outer fixing plate; 301. a second chute; 4. fixing the pull rod; 5. a pressure detecting housing; 501. a pressure spring; 502. a pressurizing plate; 503. an extrusion rod; 504. abutting the circular plate; 505. a pressure sensor; 6. and a display controller.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

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

the utility model provides a dry-type transformer folder, including two sets of coil splint 1 that distribute symmetrically from top to bottom, coil splint 1's inside has been seted up along coil splint 1 length direction extension's rectangular groove 101, coil splint 1's inside and lie in rectangular groove 101's left and right sides all have been seted up along coil splint 1 width direction extension's first spout 102, two sets of coil splint 1 opposite side's front and back both ends all are connected with iron core folder 2, the outside bilateral symmetry of two sets of iron core folder 2 of same side is provided with outer fixed plate 3, the inside of outer fixed plate 3 has been seted up along outer fixed plate 3 width direction extension's second spout 301, be connected with fixed pull rod 4 between two sets of outer fixed plate 3 of upper and lower same side front and back symmetry, be provided with pressure detection shell 5 between two sets of iron core folder 2 of same side, display controller 6 is installed to the side of one set of coil splint 1;

the left side and the right side of the top and the bottom of the iron core clamping piece 2 and the corresponding position of the fixed pull rod 4 are provided with assembly through holes, the iron core clamping piece 2 is of a concave structural design with an outward opening, the fixed pull rod 4 is provided with four groups, the fixed pull rod 4 respectively penetrates through the first sliding groove 102 and the second sliding groove 301 and is in sliding connection with the coil clamping plate 1 and the outer fixed plate 3, and the top and the bottom of the fixed pull rod 4 are in threaded connection with locking nuts.

In this embodiment, referring to fig. 3, a pressure spring 501 is installed inside a pressure detection housing 5, pressure plates 502 are respectively disposed at front and rear ends of the pressure detection housing 5, a pressing rod 503 is connected to one side of the pressure plates 502 facing the pressure detection housing 5, one end of the pressing rod 503 extends into the pressure detection housing 5 and is connected to an abutting circular plate 504 used in cooperation with the pressure spring 501, and a pressure sensor 505 is installed on one side of the abutting circular plate 504 facing the pressure spring 501;

the pressurizing plate 502 is fixedly mounted on the inner side of the core clamping piece 2 through bolts, and the display controller 6 is connected with the pressure sensor 505 through wires in an electrical connection mode.

The working flow of the utility model is as follows: when the clamping piece of the dry-type transformer is used, the outer side of the iron core is wrapped with the coil and then the whole body is fixed through the clamping piece, the upper group of coil clamping plates 1 and the lower group of coil clamping plates can clamp the coil part, and the front group of iron core clamping pieces 2 and the rear group of iron core clamping plates 2 can clamp the two ends of the top and the bottom of the iron core; the four groups of fixed pull rods 4 slide back and forth in the first sliding groove 101 in the coil clamping plate 1 and the second sliding groove 301 in the outer fixing plate 3, so that the positions of the front iron core clamping piece 2 and the rear iron core clamping piece 2 can be adjusted, an adjustable locking structure is adopted, iron cores with different thicknesses can be adapted to a certain range and clamped, different clamping pieces with different sizes are not needed, and the applicability of products is improved; the pressure detection shell 5 is arranged between every two groups of adjacent iron core clamping pieces 2, the outer side of the pressurizing plate 502 is fixedly arranged on the inner side of the iron core clamping pieces 2, in normal use, the elastic pressure of the pressure spring 501 is transmitted to two ends and acts on the abutting circular plate 504 and the extrusion rod 503, so that the thrust force born by the pressurizing plate 502 acts on the iron core clamping pieces 2 all the time, the iron core clamping pieces 2 and the fixed pull rod 4 are supported by force, the fixed pull rod 4 can be more stable and difficult to loosen, and when slight displacement occurs, the pressure value between the pressure sensor 505 on the abutting circular plate 504 and the pressure spring 501 can be detected and displayed on the display controller 6, and targeted maintenance can be carried out after detecting personnel find that the value changes, so that the pressure detection device is more convenient and rapid and has high efficiency.

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 dry-type transformer folder, includes two sets of coil splint (1) of upper and lower symmetric distribution, its characterized in that: the two groups of coil clamping plates (1) are connected with iron core clamping pieces (2) at the front and rear ends of the opposite sides, outer fixing plates (3) are symmetrically arranged on the outer sides of the iron core clamping pieces (2) at the same side in a left-right symmetrical mode, fixing pull rods (4) are symmetrically connected between the outer fixing plates (3) at the same upper side and the lower side in a front-rear symmetrical mode, a pressure detection shell (5) is arranged between the iron core clamping pieces (2) at the same side, and a display controller (6) is arranged on the side edge of one group of coil clamping plates (1);

the inside of pressure detection shell (5) is provided with pressure spring (501), both ends are provided with pressurization board (502) respectively around pressure detection shell (5), one side of pressurization board (502) orientation pressure detection shell (5) is connected with extrusion pole (503), the one end of extrusion pole (503) extends to the inside of pressure detection shell (5) and is connected with butt plectane (504) that use with pressure spring (501) cooperation, pressure sensor (505) are installed towards one side of pressure spring (501) to butt plectane (504).

2. A dry-type transformer clip as claimed in claim 1, wherein: rectangular grooves (101) extending along the length direction of the coil clamping plate (1) are formed in the coil clamping plate (1), first sliding grooves (102) extending along the width direction of the coil clamping plate (1) are formed in the coil clamping plate (1) and located on the left side and the right side of the rectangular grooves (101), and second sliding grooves (301) extending along the width direction of the outer fixing plate (3) are formed in the outer fixing plate (3).

3. A dry-type transformer clip as claimed in claim 1, wherein: the iron core clamping piece (2) is of a concave structural design with an outward opening, and assembly through holes are formed in the left side and the right side of the top and the bottom of the iron core clamping piece (2) and correspond to the positions of the fixed pull rods (4).

4. A dry-type transformer clip as claimed in claim 2, wherein: the fixed pull rod (4) is provided with four groups altogether, fixed pull rod (4) runs through first spout (102), second spout (301) respectively and carries out sliding connection with coil splint (1) and external fixation board (3), the equal threaded connection in top and bottom of fixed pull rod (4) has lock nut.

5. A dry-type transformer clip as claimed in claim 1, wherein: the pressurizing plate (502) is fixedly arranged on the inner side of the iron core clamping piece (2) through bolts.

6. A dry-type transformer clip as claimed in claim 1, wherein: the display controller (6) is connected with the pressure sensor (505) through a wire, and the connection mode is electric connection.