CN218439805U

CN218439805U - Shock absorption structure of cross-flow cooling fan of dry type transformer

Info

Publication number: CN218439805U
Application number: CN202222740337.9U
Authority: CN
Inventors: 朱忠芳
Original assignee: Zhejiang Nanjing Electric Co ltd
Current assignee: Zhejiang Nanjing Electric Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-02-03
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a dry-type transformer crossing current cooling fan shock-absorbing structure, includes bottom plate, apron, clamshell, motor, first dryer and second dryer, and bottom plate and apron set up respectively in the relative one side of clamshell, and first dryer and second dryer set up in the clamshell, and motor fixed mounting is on the apron, and the motor is connected to first dryer one end, and the second dryer is connected to the other end, and first dryer is connected to second dryer one end, and the other end is connected on the bottom plate. The advantage lies in, its axiality is controlled more easily to short dryer than long dryer, can reduce the noise that the dryer sent in the rotation process.

Description

Damping structure of cross-flow cooling fan of dry-type transformer

Technical Field

The utility model relates to a fan technical field, concretely relates to dry-type transformer crossing current cooling blower shock-absorbing structure.

Background

The dry type transformer is used for multi-purpose residential district resident power distribution, the human environment directly influences the happiness index, and the cross flow cooling fan of the dry type transformer is usually arranged in dry type transformer equipment to cool the heating dry type transformer by air. Therefore, the cross-flow cooling fan of the dry-type transformer is in a poor working environment state all the year round, the dynamic balance of the fan is out of alignment when the fan is operated for a long time, the shaft is offset concentrically, the noise of the fan is increased, and the noise generated by the simultaneous operation of a plurality of fans is intolerable. The structural design can effectively solve the problem of noise of the dry-type transformer and prolong the service life.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem, and utility model provides a dry-type transformer crossing current cooling blower shock-absorbing structure can promote dry-type transformer crossing current cooling blower's damping performance, effectively solves dry-type transformer noise problem, promotes life simultaneously.

The utility model provides a dry-type transformer crossing current cooling blower shock-absorbing structure, includes bottom plate, apron, clamshell, motor, first dryer and second dryer, and bottom plate and apron set up respectively in the relative one side of clamshell, and first dryer and second dryer setting are in the clamshell, and motor fixed mounting is on the apron, and the motor is connected to first dryer one end, and the second dryer is connected to the other end, and first dryer is connected to second dryer one end, and the other end is connected on the bottom plate.

Furthermore, a middle partition plate is arranged between the first air duct and the second air duct, the first air duct and the second air duct are connected through a rotating shaft, and the rotating shaft penetrates through the middle partition plate.

Furthermore, a through hole is formed in the middle of the middle partition plate, a bearing is arranged in the through hole, and the bearing is sleeved on the rotating shaft.

Furthermore, a plurality of convex columns which are convex relative to the middle partition plate are arranged at the edge of the through hole, and a positioning gap for fixedly installing a bearing is arranged between the convex columns.

Furthermore, elastic buckles with the same number as the positioning notches are arranged on the outer circular wall of the bearing.

Further, a rubber damping and shock absorption gasket is arranged between the motor and the cover plate.

Furthermore, the first air duct and the second air duct both comprise a plurality of non-uniformly distributed blades.

The utility model discloses an useful part lies in:

1. the longer air duct is divided into two air ducts with smaller lengths, namely a first air duct and a second air duct, the coaxiality of the short air duct is easier to control than that of the long air duct, and the noise emitted by the air ducts can be reduced in the rotating process.

2. A rubber damping and shock absorption gasket is arranged between the motor and the cover plate, and the shock absorption effect among the motor, the cover plate and the shell cover is achieved.

3. The first air duct and the second air duct adopt non-uniform blades, so that resonance can be avoided, and noise is generated.

Drawings

Fig. 1 is the utility model relates to a dry-type transformer crossing current cooling blower shock-absorbing structure's schematic structure.

Fig. 2 is the utility model relates to a dry-type transformer crossing current cooling blower shock-absorbing structure's internal structure schematic diagram.

Fig. 3 is the utility model relates to a structural schematic diagram of first dryer and second dryer among dry-type transformer crossing current cooling blower shock-absorbing structure.

Fig. 4 is the utility model relates to a structural schematic diagram of median septum among dry-type transformer crossing current cooling blower shock-absorbing structure.

Fig. 5 is the utility model discloses a diaphragm and bearing complex schematic diagram among dry-type transformer crossing current cooling blower shock-absorbing structure.

Fig. 6 is the utility model relates to an assembly schematic diagram of rubber damping shock attenuation gasket among dry-type transformer crossing current cooling blower shock-absorbing structure.

Reference numerals are as follows: the air compressor comprises a bottom plate 1, a cover plate 2, a motor 3, a shell cover 4, a first air duct 5, a second air duct 6, a middle partition plate 7, a convex column 8, a positioning notch 9, a bearing 10, an elastic buckle 11 and a rubber damping gasket 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.

The utility model provides a dry-type transformer crossing current cooling fan shock-absorbing structure, includes bottom plate, apron, clamshell, motor, first dryer and second dryer, and bottom plate and apron set up respectively in the relative one side of clamshell, and first dryer and second dryer set up in the clamshell, and motor fixed mounting is on the apron, and the motor is connected to first dryer one end, and the second dryer is connected to the other end, and first dryer is connected to second dryer one end, and the other end is connected on the bottom plate. A middle partition plate is further arranged between the first air duct and the second air duct, the first air duct and the second air duct are connected through a rotating shaft, and the rotating shaft penetrates through the middle partition plate. The middle part of the middle clapboard is provided with a through hole, a bearing is arranged in the through hole, and the bearing is sleeved on the rotating shaft. The edge of the through hole is provided with a plurality of convex columns which are convex relative to the middle partition plate, and a positioning gap for fixedly installing the bearing is arranged between the convex columns. Elastic buckles with the same number with the positioning notches are arranged on the outer circular wall of the bearing. And a rubber damping gasket is arranged between the motor and the cover plate. The first air duct and the second air duct both comprise a plurality of non-uniformly distributed blades.

In the actual use process, the two parts of motor transmission and wind barrel rotation are respectively subjected to shock absorption and noise reduction treatment, and firstly, a rubber damping shock absorption gasket is arranged between the motor and the shell cover (cover plate), so that the shock conduction between the motor and the shell cover is reduced.

Secondly, cut apart into two shorter first dryer and second dryer with traditional rectangular dryer, compare longer dryer, its amplitude is less during the rotation, and can have better axiality in the assembling process.

In addition, the surfaces of the first air duct and the second air duct are provided with densely arranged blades, and the blades are arranged in a non-uniform distribution manner, so that resonance and noise generation can be avoided.

It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a dry-type transformer crossing current cooling blower shock-absorbing structure which characterized in that: including bottom plate, apron, clamshell, motor, first dryer and second dryer, bottom plate and apron set up respectively in the relative one side of clamshell, and first dryer and second dryer set up in the clamshell, and motor fixed mounting is on the apron, and the motor is connected to first dryer one end, and the second dryer is connected to the other end, and first dryer is connected to second dryer one end, and the other end is connected on the bottom plate.

2. A damping structure for a cross flow cooling fan of a dry type transformer as claimed in claim 1 wherein a middle partition plate is further provided between the first air duct and the second air duct, the first air duct and the second air duct are connected by a rotation shaft, and the rotation shaft passes through the middle partition plate.

3. A damping structure for a cross flow cooling fan of a dry type transformer as claimed in claim 2 wherein the middle of the middle partition plate is provided with a through hole, the through hole is provided with a bearing, and the bearing is sleeved on the rotating shaft.

4. A damping structure for a cross flow cooling fan of a dry type transformer as claimed in claim 3, wherein the edge of the through hole is provided with a plurality of protruding pillars protruding from the middle partition plate, and positioning notches for fixing and installing bearings are provided between the protruding pillars.

5. A damping structure for a cross flow cooling fan of a dry type transformer as claimed in claim 4 wherein the outer circumferential wall of the bearing is provided with elastic clips in the same number as the positioning notches.

6. A shock-absorbing structure for a cross-flow cooling fan of a dry type transformer as claimed in claim 5, wherein a rubber damping shock-absorbing pad is further provided between the motor and the cover plate.

7. A dry-type transformer crossflow cooling fan damping structure as claimed in claim 6, wherein the first air duct and the second air duct each comprise a plurality of non-uniform blades.