CN210575421U

CN210575421U - Cooling device for temperature rise of transformer core

Info

Publication number: CN210575421U
Application number: CN201921947640.8U
Authority: CN
Inventors: 张艳
Original assignee: Shaanxi Wishful Transformer Manufacturing Co ltd
Current assignee: Shaanxi Wishful Transformer Manufacturing Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-05-19
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to the technical field of transformers, in particular to a cooling device for temperature rise of a transformer iron core, which comprises a steel sheet and a cooling fin, wherein the inner side of the steel sheet is provided with a connecting rod, the outer sides of the left and right ends of the connecting rod are respectively provided with a connecting plate, the rear end surface of the connecting plate is fixedly connected with a positioning plate, the inner side of the positioning plate is provided with a positioning threaded rod, the outer side of the front end surface of the positioning threaded rod is in threaded connection with a sleeve, the inner side of the sleeve is fixedly connected with a spring, the other end of the spring is fixedly connected with a stop block, the outer side of the sleeve is in threaded connection with a nut, the front end surface of the sleeve is fixedly connected with a handle, the front end surface of the steel sheet is fixedly connected with, the position of the positioning plate can be well fixed, and the steel sheet can be conveniently installed and detached.

Description

Cooling device for temperature rise of transformer core

Technical Field

The utility model relates to a transformer technical field specifically is a heat sink is used to transformer core temperature rise.

Background

A stationary electromagnetic device that converts electrical energy and transfers electrical energy from one circuit to another is called a transformer. The transformer is composed of a closed iron core and two windings, the iron core forms a magnetic circuit of the transformer and is the basis of the transformer structure, the temperature rise of the transformer is composed of two parts of coil temperature rise and iron core temperature rise, the value of electromagnetic parameters and the service life of the transformer are influenced, and therefore the requirement for a temperature reduction device for the temperature rise of the transformer iron core is increased day by day.

Under the restriction of conditions such as transformer volume, overall dimension, the heat dissipation space of iron core is limited, and the temperature rise just can't reach anticipated effect, easily causes the emergence of accident to in-process of installing the iron core, can not be convenient install and dismantle it, in the in-process of changing, reduced work efficiency, consequently, propose a heat sink for transformer iron core temperature rise to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer core is heat sink for temperature rise to solve the problem that proposes in the above-mentioned background art.

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

a cooling device for temperature rise of a transformer core comprises a steel sheet and a cooling fin, wherein a connecting rod is arranged on the inner side of the steel sheet, connecting plates are arranged on the outer sides of the left end and the right end of the connecting rod, a positioning plate is fixedly connected to the rear end face of each connecting plate, a positioning threaded rod is arranged on the inner side of each positioning threaded rod, a sleeve is in threaded connection with the outer side of the front end face of each positioning threaded rod, a spring is fixedly connected to the inner side of each sleeve, a stop block is fixedly connected to the other end of each spring, a nut is in threaded connection with the outer side of each sleeve, a handle is fixedly connected to the front end face of each sleeve, a supporting block is fixedly connected to the front end face of each steel sheet, an adjusting threaded rod is in threaded connection with the inner, the utility model discloses a quick-witted, including pivot, regulating lever, locating piece, inboard fixedly connected with fin, the outside of pivot is rotated and is connected with the gag lever post, the other end of gag lever post is rotated through the pivot and is connected with the regulation pole, the one end fixedly connected with kelly of regulation pole, the outside of kelly is equipped with the locating piece, the one end fixedly connected with carriage of locating piece, the inboard fixedly connected with fin of carriage.

Preferably, the inner side of the positioning plate is provided with a groove, the positioning threaded rod is positioned on the inner side of the groove formed in the inner side of the positioning plate, the diameter of a circle where the outer side of the nut is located is the same as that of the groove formed in the inner side of the positioning plate, the rear end face of the positioning threaded rod is fixedly connected with an external fixed frame, and the positioning plate is connected with the positioning threaded rod through a stop block.

Preferably, the stop dogs are slidably connected with the sleeve through springs and nuts, the number of the stop dogs is 4, the four stop dogs are respectively located at the inner side circumferential position of the sleeve, the longitudinal sectional area of each stop dog is in a right trapezoid shape, and the stop dogs are slidably connected with the positioning threaded rods through the sleeve.

Preferably, one end of each adjusting rod is rotatably connected with the supporting block through a rotating shaft, the number of the adjusting rods positioned on the inner side of the supporting block is 2, the two adjusting rods are respectively positioned at symmetrical positions of the upper end and the lower end of the inner side of the supporting block, and the radiating fins are connected with the steel sheets through positioning blocks and clamping rods.

Preferably, the auxiliary plate is connected with the supporting block in a sliding mode through an adjusting threaded rod, and the limiting rod is connected with the auxiliary plate in a rotating mode through a rotating shaft.

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

1. the utility model discloses in, through the fin that sets up, adjust pole and kelly, when needing to increase the heat dissipation to the steel sheet, can be through rotating the carousel, thereby can let the kelly at upper and lower both ends move to the outside through the design of accessory plate and regulation pole, then can place the locating piece between the kelly at upper and lower both ends, later can be with the reverse rotation carousel, can move the kelly to the inboard of locating piece, can connect fin and steel sheet through the card between kelly and the locating piece and be connected, can carry out good heat dissipation to the steel sheet through the design of fin, can be convenient for use the steel sheet;

2. the utility model discloses in, through the locating plate that sets up, positioning threaded rod and dog, after installing the completion to the fin, when needing to fix the position of steel sheet, alright place the locating plate in positioning threaded rod's the outside, then alright through rotating nut, alright remove the dog from the sheathed tube inboard to the sheathed tube outside through the design of spring, then alright through rotating the handle, alright adjust sheathed tube position through the threaded connection between sleeve pipe and the positioning threaded rod, thereby can remove the dog to the inboard preceding terminal surface of locating plate, can carry out good fixed to the position of locating plate, can be convenient install and dismantle the steel sheet.

Drawings

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

FIG. 2 is a schematic view of the mounting structure of the heat sink of the present invention;

fig. 3 is a schematic view of the mounting structure of the sleeve of the present invention;

fig. 4 is the mounting structure schematic diagram of the positioning threaded rod of the present invention.

In the figure: the device comprises a sleeve 1, a connecting plate 2, a positioning plate 3, a heat radiating fin 4, a steel sheet 5, a connecting rod 6, a rotary table 7, an adjusting threaded rod 8, a supporting block 9, an auxiliary plate 10, an adjusting rod 11, a positioning block 12, a connecting frame 13, a clamping rod 14, a limiting rod 15, a rotating shaft 16, a stop block 17, a nut 18, a spring 19, a handle 20 and a positioning threaded rod 21.

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. 1-4, the present invention provides a technical solution:

a cooling device for temperature rise of a transformer core comprises a steel sheet 5 and cooling fins 4, wherein a connecting rod 6 is arranged on the inner side of the steel sheet 5, the steel sheet 5 can be connected through the design of the connecting rod 6, connecting plates 2 are arranged on the outer sides of the left end and the right end of the connecting rod 6, the steel sheet 5 can be connected with an external fixed frame through the design of the connecting plates 2 and the positioning plates 3, the rear end face of each connecting plate 2 is fixedly connected with a positioning plate 3, a positioning threaded rod 21 is arranged on the inner side of each positioning plate 3, the position of a stop block 17 can be adjusted through the design of the positioning threaded rod 21, a sleeve 1 is in threaded connection with the outer side of the front end face of the positioning threaded rod 21, a spring 19 is fixedly connected to the inner side of the sleeve 1, the position of the stop block 17 can, the positioning plate 3 and the positioning threaded rod 21 can be connected through the design of a stop block 17, the outer side of the sleeve 1 is in threaded connection with a nut 18, the position of the stop block 17 can be adjusted through the design of the nut 18, the front end face of the sleeve 1 is fixedly connected with a handle 20, the front end face of the steel sheet 5 is fixedly connected with a supporting block 9, the moving range of the adjusting rod 11 can be limited through the design of the supporting block 9, the inner side of the supporting block 9 is in threaded connection with an adjusting threaded rod 8, the moving position of the adjusting rod 11 can be fixed through the design of the adjusting threaded rod 8, one end of the adjusting threaded rod 8 is fixedly connected with a rotary disc 7, the other end of the adjusting threaded rod 8 is in rotating connection with an auxiliary plate 10, the inner side of the auxiliary plate 10 is in rotating connection with a rotating shaft 16, The angle of adjusting rod 11 is adjusted in the design of pivot 16 and gag lever post 15, the other end of gag lever post 15 rotates through pivot 16 to be connected with adjusts pole 11, can adjust the position of kelly 14 through the design of adjusting pole 11, the one end fixedly connected with kelly 14 of adjusting pole 11 can let locating piece 12 be connected with adjusting pole 11 through the design of kelly 14, the outside of kelly 14 is equipped with locating piece 12, the one end fixedly connected with link frame 13 of locating piece 12, the inboard fixedly connected with fin 4 of link frame 13 can dispel the heat to steel sheet 5 through the design of fin 4.

The inner side of the positioning plate 3 is provided with a groove, the positioning threaded rod 21 is positioned at the inner side of the groove formed at the inner side of the positioning plate 3, the diameter of a circle where the outer side of the nut 18 is located is the same as that of the groove formed at the inner side of the positioning plate 3, the rear end face of the positioning threaded rod 21 is fixedly connected with an external fixed frame, the positioning plate 3 is connected with the positioning threaded rod 21 through the stop blocks 17, the arrangement is favorable for connecting the positioning plate 3 and the positioning threaded rod 21 and limiting the position of the positioning plate 3, the stop blocks 17 are in sliding connection with the sleeve 1 through the springs 19 and the nuts 18, the number of the stop blocks 17 is 4, the four stop blocks 17 are respectively positioned at the inner circumferential position of the sleeve 1, the longitudinal sectional area of each stop block 17 is in a right trapezoid shape, the stop blocks 17 are in sliding connection with the positioning threaded rod 21 through the, can be favorable to connecting locating plate 3 and positioning threaded rod 21, the one end of adjusting pole 11 is rotated through pivot 16 and supporting shoe 9 and is connected, and the number that is located the inboard regulation pole 11 of supporting shoe 9 is total 2, two adjust pole 11 and be located the inboard upper and lower both ends symmetric position department of supporting shoe 9 respectively, fin 4 is connected with steel sheet 5 through locating piece 12 and kelly 14, and this kind of setting is favorable to fixing the position of fin 4, is convenient for dispel the heat to steel sheet 5, accessory plate 10 is through adjusting threaded rod 8 and supporting shoe 9 sliding connection, gag lever post 15 rotates with accessory plate 10 through pivot 16 and is connected, and this kind of being provided with does benefit to adjusting the angle of adjusting pole 11 and adjusts.

The working process is as follows: when the transformer needs to be used, the transformer needs to be assembled, firstly, the heat radiating fin 4 needs to be installed, the position of the auxiliary plate 10 can be adjusted through the threaded connection between the adjusting threaded rod 8 and the supporting block 9 by rotating the turntable 7, then the position of the adjusting rod 11 can be adjusted through the design of the rotating shaft 16 and the limiting rod 15, the adjusting rods 11 at the upper end and the lower end can be separated, so that the clamping rods 14 at the upper end and the lower end can be separated, then the positioning blocks 12 at the left end and the right end of the connecting frame 13 at the outer side of the heat radiating fin 4 can be respectively placed between the clamping rods 14 at the upper end and the lower end at the left end and the right end, then the auxiliary plate 10 can be driven to reversely move by reversely rotating the turntable 7, the clamping rods 14 at the upper end and the lower end can be driven to approach, and the position of the heat radiating fin 4 can be fixed through, the cooling fin 4 can be conveniently installed, after the position of the cooling fin 4 is installed, the position of the steel sheet 5 can be fixed, the positioning plate 3 can be placed on the outer side of the positioning threaded rod 21, the sleeve 1 can be located on the front end face of a groove formed in the inner side of the positioning plate 3, then the position of the stop 17 can be adjusted through the threaded connection between the nut 18 and the sleeve 1 and the design of the spring 19 by rotating the nut 18 and then moving the stop 17 outwards from the inner side of the sleeve 1 and moving the stop 17 to the outer side of the groove formed in the positioning plate 3, then the stop 17 can be moved to the front end face of the groove formed in the positioning plate 3 by rotating the handle 20 and then through the threaded connection between the sleeve 1 and the positioning threaded rod 21 and adjusting the position of the stop 17, thereby can block locating plate 3 through dog 17, can fix the position of locating plate 3, can be convenient install and dismantle locating plate 3, simultaneously can be convenient change steel sheet 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 transformer core is heat sink for temperature rise, includes steel sheet (5) and fin (4), its characterized in that: the inner side of the steel sheet (5) is provided with a connecting rod (6), the outer sides of the left end and the right end of the connecting rod (6) are respectively provided with a connecting plate (2), the rear end face of the connecting plate (2) is fixedly connected with a positioning plate (3), the inner side of the positioning plate (3) is provided with a positioning threaded rod (21), the outer side of the front end face of the positioning threaded rod (21) is in threaded connection with a sleeve (1), the inner side of the sleeve (1) is fixedly connected with a spring (19), the other end of the spring (19) is fixedly connected with a stop block (17), the outer side of the sleeve (1) is in threaded connection with a nut (18), the front end face of the sleeve (1) is fixedly connected with a handle (20), the front end face of the steel sheet (5) is fixedly connected with a supporting block (9), the inner side of the supporting block (, the other end of the adjusting threaded rod (8) is rotatably connected with an auxiliary plate (10), the inner side of the auxiliary plate (10) is rotatably connected with a rotating shaft (16), the outer side of the rotating shaft (16) is rotatably connected with a limiting rod (15), the other end of the limiting rod (15) is rotatably connected with an adjusting rod (11) through the rotating shaft (16), one end of the adjusting rod (11) is fixedly connected with a clamping rod (14), the outer side of the clamping rod (14) is provided with a positioning block (12), one end of the positioning block (12) is fixedly connected with a connecting frame (13), and the inner side of the connecting frame (13) is fixedly connected with a radiating fin (4).

2. The cooling device for temperature rise of the transformer core according to claim 1, characterized in that: the inner side of the positioning plate (3) is provided with a groove, the positioning threaded rod (21) is located on the inner side of the groove formed in the inner side of the positioning plate (3), the diameter of a circle where the outer side of the nut (18) is located is the same as that of the groove formed in the inner side of the positioning plate (3), the rear end face of the positioning threaded rod (21) is fixedly connected with an external fixed frame, and the positioning plate (3) is connected with the positioning threaded rod (21) through a stop block (17).

3. The cooling device for temperature rise of the transformer core according to claim 1, characterized in that: dog (17) pass through spring (19) and nut (18) and sleeve pipe (1) sliding connection, the total 4 of number of dog (17), four dog (17) are located the inboard circumference position of sleeve pipe (1) respectively, the longitudinal section area of dog (17) is right trapezoid, dog (17) pass through sleeve pipe (1) and positioning threaded rod (21) sliding connection.

4. The cooling device for temperature rise of the transformer core according to claim 1, characterized in that: one end of each adjusting rod (11) is rotatably connected with the corresponding supporting block (9) through a rotating shaft (16), the number of the adjusting rods (11) located on the inner side of the corresponding supporting block (9) is 2, the two adjusting rods (11) are respectively located at symmetrical positions of the upper end and the lower end of the inner side of the corresponding supporting block (9), and the radiating fins (4) are connected with the steel sheets (5) through the positioning blocks (12) and the clamping rods (14).

5. The cooling device for temperature rise of the transformer core according to claim 1, characterized in that: the auxiliary plate (10) is connected with the supporting block (9) in a sliding mode through an adjusting threaded rod (8), and the limiting rod (15) is connected with the auxiliary plate (10) in a rotating mode through a rotating shaft (16).