A cooling device for the traction transformer of multiple unit trains

Abstract

The present invention belongs to the field of cooling devices, in particular to a cooling device for a traction transformer of a multiple unit train. Aiming at the problem that a large amount of heat is generated after the existing traction transformer of a multiple unit train works for a long time, and this heat is not easy to dissipate, affecting the service life of the transformer, the following scheme is proposed. It includes a transformer body, a displacement plate is slidably installed in the transformer body, two plug plates are fixedly installed at the top of the displacement plate, two first heat dissipation openings are formed in the top of the transformer body, the plug plates are clamped with the first heat dissipation openings, a vertical rod is welded to the top of the plug plate, the top end of the vertical rod extends above the transformer body, and a push plate located above the transformer body is welded between the two vertical rods. The present invention has good practicability, can open the first heat dissipation opening and the second heat dissipation opening at the same time to cool the transformer body, and has simple operation.

Description

Technical Field

[0001] The present invention relates to the technical field of cooling devices, and particularly relates to a cooling device for a traction transformer of a multiple unit train. Background Art

[0002] With the rapid development of China's railway industry, more and more high-tech and high-precision equipment has been put into railway operation. The development and popularization of multiple unit trains is a major leap in the train transportation industry and an important milestone in the development of the railway industry.

[0003] The existing traction transformers of multiple unit trains will generate a large amount of heat after working for a long time. These heats are not easy to dissipate, which affects the service life of the transformer. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art that the traction transformer of a multiple unit train will generate a large amount of heat after working for a long time, and these heats are not easy to dissipate, which affects the service life of the transformer, and to propose a cooling device for a traction transformer of a multiple unit train.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A cooling device for a traction transformer of a multiple unit train includes a transformer body. A displacement plate is slidably installed in the transformer body. Two plug plates are fixedly installed at the top of the displacement plate. Two first heat dissipation openings are formed in the top of the transformer body. The plug plates are clamped with the first heat dissipation openings. A vertical rod is welded to the top of the plug plate, and the top end of the vertical rod extends above the transformer body. A push plate located above the transformer body is welded between the two vertical rods. A plurality of springs are welded between the top of the displacement plate and the inner wall of the top of the transformer body. A vertical plate is welded at the central position of the bottom of the displacement plate. Rotating grooves are formed on the inner walls of both sides of the transformer body. The same rotating shaft is rotatably installed in the two rotating grooves. A gear is fixedly sleeved on the outer side of the rotating shaft. A rack is fixedly installed on one side of the vertical plate close to the rotating shaft. The gear is meshed with the rack. Two rotating plates are welded on the outer side of the rotating shaft. Sealing plates are welded on the sides of the two rotating plates away from each other. A plurality of second heat dissipation openings are formed on the inner walls of both sides of the transformer body. Two groups of heat dissipation fan blades are welded on the outer side of the rotating shaft.

[0007] Preferably, baffles are welded on the sides of the two plug plates close to each other, and the top of the baffle is in contact with the inner wall of the top of the transformer body to limit the plug plates.

[0008] Preferably, the sealing plate covers a plurality of second heat dissipation openings on the same vertical axis to ensure the sealing performance of the contact position between the sealing plate and the second heat dissipation openings.

[0009] Preferably, the number of the springs is five, and the five springs are arranged at equal intervals, which can enable the displacement plate to return to its original position.

[0010] Preferably, the number of the heat dissipation fan blades in the same group is four, and the four heat dissipation fan blades in the same group are arranged in a ring, which can improve the air flow rate inside the transformer body.

[0011] Preferably, a slider is installed on the outer side of the rotating shaft inside the rotating groove, an annular sliding rail is provided on the inner wall of the rotating groove, and the slider is in sliding contact with the annular sliding rail, which facilitates the rotation of the rotating shaft.

[0012] In the present invention, for the cooling device of the EMU traction transformer, during use, when it is necessary to cool the transformer body, the push plate is pushed, the push plate drives the vertical rod to move, the vertical rod drives the plug plate to move, so that the plug plate is separated from the first heat dissipation port;

[0013] The plug plate drives the displacement plate to move, the displacement plate stretches the spring, and the spring can enable the displacement plate to return to its original position. The displacement plate drives the vertical plate to move, drives the rotating shaft to rotate, the rotating shaft drives the rotating plate to rotate, and the rotating plate drives the sealing plate to rotate, so that the sealing plate is separated from the second heat dissipation port, which is convenient for cooling the transformer body. The rotating shaft also drives the heat dissipation fan blades to rotate, and the heat dissipation fan blades can improve the air flow rate inside the transformer body and improve the cooling efficiency of the transformer body.

[0014] The present invention has good practicability, can open the first heat dissipation port and the second heat dissipation port at the same time to cool the transformer body, and has simple operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a cooling device for an EMU traction transformer proposed by the present invention;

[0016] Figure 2 is a schematic structural diagram of part A of a cooling device for an EMU traction transformer proposed by the present invention;

[0017] Figure 3 is a schematic structural diagram of part B of a cooling device for an EMU traction transformer proposed by the present invention.

[0018] In the figure: 1 transformer body, 2 displacement plate, 3 plug plate, 4 first heat dissipation port, 5 vertical rod, 6 push plate, 7 spring, 8 vertical plate, 9 rotating groove, 10 rotating shaft, 11 gear, 12 rack, 13 rotating plate, 14 sealing plate, 15 second heat dissipation port, 16 heat dissipation fan blade, 17 baffle. DETAILED DESCRIPTION OF THE INVENTION

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] Referring to Figures 1-3 , a cooling device for a traction transformer of a multiple unit train, comprising a transformer body 1, a displacement plate 2 is slidably installed in the transformer body 1, two plug plates 3 are fixedly installed at the top of the displacement plate 2, two first heat dissipation openings 4 are opened at the top of the transformer body 1, the plug plates 3 are clamped with the first heat dissipation openings 4, a vertical rod 5 is welded to the top of the plug plate 3, the top end of the vertical rod 5 extends above the transformer body 1, the same push plate 6 located above the transformer body 1 is welded between the two vertical rods 5, a plurality of springs 7 are welded between the top of the displacement plate 2 and the inner wall of the top of the transformer body 1, a vertical plate 8 is welded at the central position of the bottom of the displacement plate 2, rotating grooves 9 are opened on the inner walls of both sides of the transformer body 1, the same rotating shaft 10 is rotatably installed in the two rotating grooves 9, a gear 11 is fixedly sleeved on the outer side of the rotating shaft 10, a rack 12 is fixedly installed on the side of the vertical plate 8 close to the rotating shaft 10, the gear 11 is meshed with the rack 12, two rotating plates 13 are welded on the outer side of the rotating shaft 10, sealing plates 14 are welded on the sides of the two rotating plates 13 away from each other, a plurality of second heat dissipation openings 15 are opened on the inner walls of both sides of the transformer body 1, and two groups of heat dissipation fan blades 16 are welded on the outer side of the rotating shaft 10.

[0021] In the present invention, baffles 17 are welded on the sides of the two plug plates 3 close to each other, and the top of the baffle 17 is in contact with the inner wall of the top of the transformer body 1 to limit the plug plates 3.

[0022] In the present invention, the sealing plate 14 covers a plurality of second heat dissipation openings 15 located on the same vertical axis to ensure the sealing performance of the contact position between the sealing plate 14 and the second heat dissipation openings 15.

[0023] In the present invention, the number of the springs 7 is five, and the five springs 7 are arranged at equal intervals, so that the displacement plate 2 can return to its original position.

[0024] In the present invention, the number of the heat dissipation fan blades 16 in the same group is four, and the four heat dissipation fan blades 16 in the same group are arranged in a ring shape, which can improve the air flow rate in the transformer body 1.

[0025] In the present invention, a slider is installed on the outer side of the rotating shaft 10 located inside the rotating groove 9, an annular sliding rail is provided on the inner wall of the rotating groove 9, and the slider is in sliding contact with the annular sliding rail to facilitate the rotation of the rotating shaft 10.

[0026] In the present invention, during use, when it is necessary to cool the transformer body 1, the push plate 6 is pushed. The push plate 6 drives the vertical rod 5 to move. The vertical rod 5 drives the plug plate 3 to move, causing the plug plate 3 to separate from the first heat dissipation opening 4. The plug plate 3 drives the displacement plate 2 to move. The displacement plate 2 stretches the spring 7. The presence of the spring 7 enables the displacement plate 2 to return to its original position. The displacement plate 2 drives the vertical plate 8 to move. The rack 12 on the vertical plate 8 meshes with the gear 11 on the rotating shaft 10, driving the rotating shaft 10 to rotate. The rotating shaft 10 drives the rotating plate 13 to rotate. The rotating plate 13 drives the sealing plate 14 to rotate, causing the sealing plate 14 to separate from the second heat dissipation opening 15. At this time, the heat in the transformer body 1 dissipates from the first heat dissipation opening 4 and the second heat dissipation opening 15, facilitating the cooling treatment of the transformer body 1. The rotating shaft 10 simultaneously drives the heat dissipation fan blade 16 to rotate. The presence of the heat dissipation fan blade 16 can increase the air flow rate inside the transformer body 1 and improve the cooling efficiency of the transformer body 1.

[0027] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered within the protection scope of the present invention.

Claims

1. A cooling device for a traction transformer of a multiple unit train, comprising a transformer body (1), characterized in that, A displacement plate (2) is slidably installed inside the transformer body (1). Two plug plates (3) are fixedly installed at the top of the displacement plate (2). Two first heat dissipation openings (4) are formed at the top of the transformer body (1). The plug plates (3) are clamped with the first heat dissipation openings (4). A vertical rod (5) is welded to the top of the plug plate (3). The top end of the vertical rod (5) extends above the transformer body (1). A push plate (6) located above the transformer body (1) is welded between the two vertical rods (5). A plurality of springs (7) are welded between the top of the displacement plate (2) and the inner wall of the top of the transformer body (1). A vertical plate (8) is welded to the central position at the bottom of the displacement plate (2). Rotating grooves (9) are formed on the inner walls of both sides of the transformer body (1). The same rotating shaft (10) is rotatably installed in the two rotating grooves (9). A gear (11) is fixedly sleeved on the outer side of the rotating shaft (10). A rack (12) is fixedly installed on one side of the vertical plate (8) close to the rotating shaft (10). The gear (11) is meshed with the rack (12). Two rotating plates (13) are welded to the outer side of the rotating shaft (10). Sealing plates (14) are welded to the sides of the two rotating plates (13) away from each other. A plurality of second heat dissipation openings (15) are formed on the inner walls of both sides of the transformer body (1). Two groups of heat dissipation fan blades (16) are welded to the outer side of the rotating shaft (10); Baffles (17) are welded to the sides of the two plug plates (3) close to each other. The top of the baffle (17) is in contact with the inner wall of the top of the transformer body (1); A slider is installed on the outer side of the rotating shaft (10) inside the rotating groove (9). An annular sliding rail is provided on the inner wall of the rotating groove (9), and the slider is in sliding contact with the annular sliding rail.

2. The cooling device for the traction transformer of the multiple unit train according to claim 1, characterized in that, The sealing plate (14) covers a plurality of second heat dissipation openings (15) located on the same vertical axis.

3. The cooling device for the traction transformer of the multiple unit train according to claim 1, wherein The number of the springs (7) is five, and the five springs (7) are arranged at equal intervals.

4. The cooling device for the traction transformer of a multiple unit train according to claim 1, characterized in that, The number of the heat dissipation fan blades (16) in the same group is four, and the four heat dissipation fan blades (16) in the same group are arranged in an annular pattern.

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