CN104565642A - Direct connecting structure for transformer and gas insulated system - Google Patents

Abstract

The invention relates to a direct connection mechanism between a transformer and a gas insulation system, which includes a transformer body and a gas insulation system. There are three connection components between the two fixed plates. The connection components include a sleeve and a bellows. Both ends of the sleeve are provided with a first flange, and both ends of the bellows are provided with a second flange. The first flange is sealed and connected with one of the fixing plates, and the bellows is sleeved with an annular protective cover. The direct connection mechanism between the transformer and the gas insulation system solves the space occupation problem of the whole transformer by realizing the direct connection between the transformer body and the gas insulation system, so that the whole transformer can be carried and transported on the same vehicle, saving transportation cost.

Description

Direct connection mechanism between transformer and gas insulation system

technical field

The invention relates to a direct connection mechanism between a transformer and a gas insulation system.

Background technique

The existing transformer main body and the gas insulation system are connected by hoses. This connection method makes the transformer occupy a large space as a whole. During transportation, two transport vehicles are required to carry the transformer main body and the gas insulation system respectively, which is very difficult. Inconvenient and increases shipping costs.

Contents of the invention

The technical problem to be solved by the present invention is to provide a direct connection mechanism between a transformer and a gas insulation system in order to overcome the disadvantages of high processing requirements and easy leakage of joints in the prior art.

The technical solution adopted by the present invention to solve the technical problem is: a direct connection mechanism between a transformer and a gas insulation system, including a transformer body and a gas insulation system, and the transformer body and the gas insulation system are fixedly connected through a direct connection component. The direct connection assembly includes two circular fixing plates arranged in parallel, the two circular fixing plates are respectively fixed on the transformer body and the gas insulation system, and three connecting components are arranged between the two fixing plates, and the three connecting components are connected by The center of the fixed plate is uniformly arranged in the center and circumferential direction, the connecting assembly includes a sleeve and a bellows, both ends of the sleeve are provided with a first flange, and both ends of the bellows are provided with a second flange, The outer diameter of the bellows is smaller than the outer diameter of the second flange, one end of the sleeve is sealed and connected to one of the fixing plates through the first flange, and the other end of the sleeve is connected to the bellows through the first flange. The second flange at one end is sealed and connected, and the other end of the bellows is sealed and connected with another fixed plate through the second flange. The bellows is covered with an annular protective cover, and one end of the protective cover is connected to the bellows. One of the second flange connections at both ends.

As a preference, a number of connecting columns are also arranged between the two fixing plates, and each connecting column is evenly arranged on the edge of the fixing plate with the center of the fixing plate as the center, and the two ends of the connecting columns are fixedly connected with the two fixing plates respectively. .

Preferably, the inner diameter of the protective cover matches the outer diameter of the second flanges, and both ends of the protective cover are fixed on the outer peripheries of the two second flanges by bolts.

Preferably, a notch is provided on one side of the protective cover.

The beneficial effect of the present invention is that the direct connection mechanism between the transformer and the gas insulation system solves the space occupation problem of the whole transformer by realizing the direct connection between the transformer body and the gas insulation system, so that the whole transformer can be realized on the same vehicle Carrying and transporting saves transportation costs, and by adding bellows on one side of the rigid casing, it plays a large space buffer role, reduces processing requirements, and makes the sealing effect of the connection better.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a structural schematic diagram of the direct connection mechanism between the transformer and the gas insulation system of the present invention;

Fig. 2 is a schematic structural view of the direct connection components of the direct connection mechanism between the transformer and the gas insulation system of the present invention;

Fig. 3 is a structural schematic diagram of the protective cover and the second flange of the direct connection mechanism between the transformer and the gas insulation system of the present invention;

In the figure: 1. Fixed plate, 2. Bushing, 3. Bellows, 4. First flange, 5. Second flange, 6. Protective cover, 7. Connecting column, 8. Transformer body, 9. Gas Insulation system, 10. Direct connection components.

Detailed ways

The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

As shown in Figures 1-3, a direct connection mechanism between a transformer and a gas insulation system includes a transformer body 8 and a gas insulation system 9, and the transformer body 8 and the gas insulation system 9 are fixedly connected through a direct connection component 10 , the direct connection assembly 10 includes two circular fixing plates 1 arranged in parallel, and the two circular fixing plates 1 are respectively fixed on the transformer body 8 and the gas insulation system 9, and there are three connections between the two fixing plates 1 Assemblies, three connecting assemblies are evenly arranged around the center of the fixed plate 1 in the circumferential direction, the connecting assemblies include a sleeve 2 and a bellows 3, both ends of the sleeve 2 are provided with a first flange 4, the Both ends of the bellows 3 are provided with a second flange 5, the outer diameter of the bellows 3 is smaller than the outer diameter of the second flange 5, and one end of the sleeve 2 passes through the first flange 4 and one of the fixing plates 1 Sealed connection, the other end of the sleeve 2 is sealed and connected with the second flange 5 provided at one end of the bellows 3 through the first flange 4, and the other end of the bellows 3 is fixed with another piece through the second flange 5 The plate 1 is sealed and connected, and the bellows 3 is covered with an annular protective cover 6 , and one end of the protective cover 6 is connected to one of the second flanges 5 at both ends of the bellows 3 .

Specifically, several connecting columns 7 are also provided between the two fixing plates 1, and each connecting column 7 is evenly arranged on the edge of the fixing plate 1 around the center of the fixing plate 1, and the two ends of the connecting columns 7 are respectively connected to The two fixed plates 1 are fixedly connected.

Specifically, the inner diameter of the protective cover 6 matches the outer diameter of the second flanges 5 , and both ends of the protective cover 6 are fixed on the outer peripheries of the two second flanges 5 by bolts.

Specifically, a notch is provided on one side of the protective cover 6 .

The notch is provided on the protective cover 6 mainly for the convenience of disassembly and assembly, and the protective cover 6 can be installed on the periphery of the bellows 3 by enlarging the notch during installation.

The direct connection mechanism between the transformer and the gas insulation system adds a bellows 3 on one side of the rigid bushing 2 to prevent leakage due to insufficient processing of the process size, and a protective cover 6 is set outside the bellows 3, which can Bellows 3 play a very good protective role

Compared with the prior art, the direct connection mechanism between the transformer and the gas insulation system plays a large space buffer role by adding a bellows 3 on one side of the rigid bushing 2, reducing the processing requirements and making the joint The sealing effect is better, and the stress effect on the connection is reduced, so as to avoid the occurrence of leakage, and the protective cover 6 is arranged outside the bellows 3, which can protect the bellows 3 very well.

Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.

Claims (4)

1. the direct-connected mechanism of a transformer and Electrode in Gas Insulated System, comprise transformer body (8) and Electrode in Gas Insulated System (9), it is characterized in that, be fixedly connected with by direct-connected assembly (10) between described transformer body (8) with Electrode in Gas Insulated System (9), described direct-connected assembly (10) comprises two pieces of circular fixed plates (1) be arranged in parallel, two pieces of circular fixed plates (1) are separately fixed in transformer body (8) and Electrode in Gas Insulated System (9), three connection parts are provided with between two pieces of fixed plates (1), three connection parts circumference centered by the center of circle of fixed plate (1) is evenly arranged, described connection part comprises sleeve pipe (2) and bellows (3), described sleeve pipe (2) two ends are equipped with the first flange (4), described bellows (3) two ends are equipped with the second flange (5), the external diameter of described bellows (3) is less than the external diameter of the second flange (5), described sleeve pipe (2) one end is tightly connected by the first flange (4) and wherein one piece of fixed plate (1), described sleeve pipe (2) the other end is tightly connected by the first flange (4) and the second flange (5) being arranged on bellows (3) one end, the other end of described bellows (3) is tightly connected by the second flange (5) and another block fixed plate (1), described bellows (3) is arranged with ring protection cover (6), one end of described safety cover (6) is connected with one of them second flange (5) at bellows (3) two ends.

2. the direct-connected mechanism of transformer as claimed in claim 1 and Electrode in Gas Insulated System, it is characterized in that, some attachment posts (7) are also provided with between two pieces of fixed plates (1), each attachment post (7) circumference centered by the center of circle of fixed plate (1) is evenly arranged on the edge of fixed plate (1), and described attachment post (7) two ends are fixedly connected with two pieces of fixed plates (1) respectively.

3. the direct-connected mechanism of transformer as claimed in claim 1 and Electrode in Gas Insulated System; it is characterized in that; the internal diameter of described safety cover (6) mates with the external diameter of the second flange (5), and the two ends of described safety cover (6) are bolted on the periphery of two the second flanges (5).

4. the direct-connected mechanism of transformer as claimed in claim 1 and Electrode in Gas Insulated System, it is characterized in that, the bindiny mechanism of transformer as claimed in claim 1 and Electrode in Gas Insulated System, is characterized in that, described safety cover (6) side is provided with breach.