CN210575458U

CN210575458U - Fastening device for transformer core

Info

Publication number: CN210575458U
Application number: CN201921279837.9U
Authority: CN
Inventors: 谢文静
Original assignee: Suzhou Laijin Electromechanical Automation Co ltd
Current assignee: Suzhou Laijin Electromechanical Automation Co ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-19
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a fastener for transformer core, the on-line screen storage device comprises a base, it is equipped with the iron core to insert on the roof of base, set up the constant head tank of mutually supporting with the iron core on the roof of base, but first splint and the second splint of top symmetry movable mounting of base and iron core mutually supporting, and first splint and second splint are located the both sides of iron core respectively, symmetrical fixed mounting has two connecting blocks on the lateral wall that the second splint are close to first splint one side, and two connecting blocks are all inserted and are established on first splint, two spread grooves with the mutual clearance fit of connecting block are seted up to the symmetry on the first splint, equal movable mounting has the stopper on the roof of two connecting blocks. The utility model discloses in insert the constant head tank with the bottom of iron core in and use first splint and second splint to press from both sides the iron core tightly, just can be convenient press from both sides tightly fixedly to the iron core, loosen first splint and second splint and just can be convenient dismantle the iron core, the installation is dismantled conveniently, and practical function is good.

Description

Fastening device for transformer core

Technical Field

The utility model relates to a transformer technical field especially relates to a fastener for transformer core.

Background

Along with the continuous increase of power transmission and transformation capacity, the design of high-voltage and high-capacity transformers becomes the mainstream of industrial development, the capacity of the transformers is continuously increased, the diameter size of an iron core is increased, and the iron core of the transformer needs to be connected and fixed with a web plate of a lower clamping piece of the transformer, so that the fastening device for the iron core of the transformer is an important transformer component.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the fastening device for transformer core is not convenient for install transformer core and dismantles among the prior art, and the fastening device for transformer core who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fastener for transformer core, includes the base, it is equipped with the iron core to insert on the roof of base, set up the constant head tank of mutually supporting with the iron core on the roof of base, but the top symmetry movable mounting of base has first splint and the second splint of mutually supporting with the iron core, and first splint and second splint are located the both sides of iron core respectively, symmetry fixed mounting has two connecting blocks on the lateral wall that the second splint is close to first splint one side, and two connecting blocks all insert and establish on first splint, two spread grooves with the mutual clearance fit of connecting block, two are seted up to the symmetry on the first splint all movable mounting has the stopper, two on the roof of connecting block all set up the spacing groove of mutually supporting with the stopper on the inside wall of spread groove, and the spacing groove all extends to the outside of first splint.

Preferably, the outer side wall of one side opposite to the first clamping plate and the second clamping plate and the inner side wall of the positioning groove are fixedly provided with protective rubber pads matched with the iron core.

Preferably, the top wall of the base is symmetrically and fixedly provided with two fixing rods, two opposite ends of the fixing rods are movably inserted with first movable rods, and the ends, far away from the fixing rods, of the two first movable rods are respectively and fixedly arranged on the first clamping plate and the second clamping plate.

Preferably, two all set up on the roof of connecting block with the stopper mounting groove of mutually supporting, two impartial distance is inserted on the inside wall of mounting groove and is equipped with a plurality of second movable rods, and the equal fixed mounting of one end that the mounting groove was kept away from to the second movable rod is on the lateral wall of stopper, every all around being equipped with the spring on the lateral wall of second movable rod, and the both ends difference fixed mounting of spring is on the lateral wall of stopper and the inside wall of mounting groove.

Preferably, two a plurality of balls are installed to impartial distance on the inside wall of spacing groove, and the ball all contacts each other with the stopper.

Preferably, rubber sealing sleeves matched with the limiting blocks are fixedly mounted on the inner side walls of the two limiting grooves.

Compared with the prior art, the utility model discloses there is following beneficial effect:

1. the bottom end of the iron core is inserted into the positioning groove, the first clamping plate and the second clamping plate are used for clamping the iron core, the iron core can be conveniently clamped and fixed, the iron core can be conveniently disassembled by loosening the first clamping plate and the second clamping plate, the iron core is convenient to install and disassemble, and the practical effect is good;

2. need not just can be convenient with the help of specialized tool such as bolt to install first splint, second splint and iron core and dismantle convenient operation, swift, excellent in use effect.

Drawings

Fig. 1 is a first front structural cross-sectional view of a fastening device for a transformer core according to the present invention;

fig. 2 is a second front sectional view of a fastening device for a transformer core according to the present invention;

fig. 3 is an enlarged view of a portion a of the structure of a fastening device for a transformer core according to the present invention.

In the figure: 1 base, 2 iron cores, 3 constant head tanks, 4 first splint, 5 second splint, 6 protection rubber pads, 7 dead levers, 8 first movable rods, 9 connecting blocks, 10 spread groove, 11 stopper, 12 mounting grooves, 13 second movable rods, 14 springs, 15 spacing grooves, 16 balls, 17 rubber seal cover.

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.

Referring to fig. 1-3, a fastener for transformer core, including base 1, it is equipped with iron core 2 to insert on base 1's the roof, set up constant head tank 3 with iron core 2 mutually supporting on base 1's the roof, base 1's top symmetry mobile installation has first splint 4 and second splint 5 with iron core 2 mutually supporting, and first splint 4 and second splint 5 are located the both sides of iron core 2 respectively, equal fixed mounting has protective rubber pad 6 with iron core 2 mutually supporting on the lateral wall of the relative one side of first splint 4 and second splint 5 and the inside wall of constant head tank 3, can prevent to press from both sides and hinder or scratch iron core 2.

Symmetrical fixed mounting has two dead levers 7 on base 1's the roof, and the equal movable insertion of the one end that two dead levers 7 are relative is equipped with first movable rod 8, and two first movable rods 8 keep away from the one end of dead lever 7 fixed mounting respectively on first splint 4 and second splint 5, the first splint 4 of horizontal migration and second splint 5 that can be convenient.

Two connecting blocks 9 are symmetrically and fixedly arranged on the outer side wall of one side of the second clamping plate 5 close to the first clamping plate 4, and two connecting blocks 9 are inserted on the first clamping plate 4, two connecting grooves 10 which are in clearance fit with the connecting blocks 9 are symmetrically arranged on the first clamping plate 4, the top walls of the two connecting blocks 9 are movably provided with limiting blocks 11, the top walls of the two connecting blocks 9 are respectively provided with mounting grooves 12 which are in clearance fit with the limiting blocks 11, a plurality of second movable rods 13 are inserted on the inner side walls of the two mounting grooves 12 at equal distances, and one end of the second movable rod 13 far away from the mounting groove 12 is fixedly arranged on the outer side wall of the limiting block 11, a spring 14 is wound on the outer side wall of each second movable rod 13, and both ends of the spring 14 are respectively and fixedly installed on the outer side wall of the limit block 11 and the inner side wall of the installation groove 12, and the limit block 11 can freely move up and down.

All set up the spacing groove 15 of mutually supporting with stopper 11 on the inside wall of two spread grooves 10, and spacing groove 15 all extends to the outside of first splint 4, and impartial distance installs a plurality of balls 16 on the inside wall of two spacing grooves 15, and ball 16 all contacts with stopper 11 each other, can prevent that stopper 11 from taking place to rock.

All fixed mounting has the rubber seal cover 17 of mutually supporting with stopper 11 on the inside wall of two spacing grooves 15, promotion stopper 11 that not only can be convenient, can prevent again that debris from getting into in the spacing groove 15 and blockking up spacing groove 15.

In the utility model, the bottom end of the iron core 2 is inserted into the positioning groove 3, the first clamping plate 4 and the second clamping plate 5 are moved, the connecting block 9 is inserted into the corresponding connecting groove 10, the first clamping plate 4 and the second clamping plate 5 are continuously moved, the iron core 2 is clamped, and at the moment, the spring 14 pushes the top end of the limiting block 11 to move into the limiting groove 15 due to the recovery of the elasticity of the spring, so that the first clamping plate 4 and the second clamping plate 5 can be fixed, and the iron core 2 is clamped; the first clamping plate 4 and the second clamping plate 5 can be conveniently separated to be fixed and the iron core 2 can be loosened by pushing the limiting block 11 and pushing the limiting block 11 to the outer side of the limiting groove 15.

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 fastening device for a transformer core, comprising a base (1), characterized in that: insert on the roof of base (1) and establish iron core (2), set up on the roof of base (1) constant head tank (3) of mutually supporting with iron core (2), but the top symmetry mobile installation of base (1) has first splint (4) and second splint (5) of mutually supporting with iron core (2), and first splint (4) and second splint (5) are located the both sides of iron core (2) respectively, symmetry fixed mounting has two connecting blocks (9) on second splint (5) are close to the lateral wall of first splint (4) one side, and two connecting blocks (9) are all inserted and are established on first splint (4), two connecting groove (10) with connecting block (9) clearance fit each other are seted up to the symmetry on first splint (4), two all movable mounting has stopper (11) on the roof of connecting block (9), two spacing groove mutually supporting with stopper (11) is all seted up on the inside wall of connecting groove (10) (15) And the limiting grooves (15) extend to the outer side of the first clamping plate (4).

2. A fastening device for a transformer core according to claim 1, characterized in that: and protective rubber pads (6) matched with the iron cores (2) are fixedly mounted on the outer side wall of one side, opposite to the first clamping plate (4) and the second clamping plate (5), of the inner side wall of the positioning groove (3).

3. A fastening device for a transformer core according to claim 1, characterized in that: the symmetrical fixed mounting has two dead levers (7) on the roof of base (1), two the equal activity of the relative one end of dead lever (7) is inserted and is equipped with first movable rod (8), and the one end that dead lever (7) were kept away from in two first movable rods (8) is fixed mounting respectively on first splint (4) and second splint (5).

4. A fastening device for a transformer core according to claim 1, characterized in that: two all offer on the roof of connecting block (9) mounting groove (12) of mutually supporting with stopper (11), two impartial distance is inserted on the inside wall of mounting groove (12) and is equipped with a plurality of second movable rods (13), and the equal fixed mounting of one end that mounting groove (12) were kept away from in second movable rod (13) is on the lateral wall of stopper (11), every all around being equipped with spring (14) on the lateral wall of second movable rod (13), and the both ends difference fixed mounting of spring (14) is on the lateral wall of stopper (11) and the inside wall of mounting groove (12).

5. A fastening device for a transformer core according to claim 1, characterized in that: two a plurality of balls (16) are installed to impartial distance on the inside wall of spacing groove (15), and ball (16) all contact each other with stopper (11).

6. A fastening device for a transformer core according to claim 1, characterized in that: and rubber sealing sleeves (17) matched with the limiting blocks (11) are fixedly arranged on the inner side walls of the two limiting grooves (15).