CN111081455A

CN111081455A - Lightning-proof transformer for railway

Info

Publication number: CN111081455A
Application number: CN201911359121.4A
Authority: CN
Inventors: 杨洪智
Original assignee: Tianjin Yuanhe Huatie Electrical Equipment Co ltd
Current assignee: Tianjin Yuanhe Huatie Electrical Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-28

Abstract

The invention relates to the technical field of transformers and discloses a railway transformer capable of preventing lightning stroke, which comprises a transformer body and a plurality of lightning rods, wherein the top of the transformer body is fixedly connected with a partition plate through a connecting rod, the top of the partition plate is symmetrically and fixedly connected with a plurality of mounting cylinders matched with the lightning rods, the lightning rods are connected with the mounting cylinders through connecting mechanisms, and the bottom of the transformer body is also provided with a buffer mechanism. The lightning protection device can improve the lightning protection effect of the transformer, is convenient for mounting and dismounting the lightning rod, and simultaneously buffers the vibration of the transformer in the working process, thereby prolonging the service life of the transformer.

Description

Lightning-proof transformer for railway

Technical Field

The invention relates to the technical field of transformers, in particular to a lightning-proof transformer for a railway.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). At present, a railway traction transformer, namely a transformer for supplying power to a locomotive of an electric locomotive, is a special transformer of an electrified railway traction power supply system, and is mainly a power supply for the electric locomotive.

At present, in order to improve the effect of railway transformer lightning protection, can weld the lightning rod at its top usually, and fix the lightning rod through the welding mode, it is more hard to waste time, and be not convenient for dismantle to people's the use of being not convenient for.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a lightning rod is fixed in a welding mode, time and labor are wasted, and the lightning rod is inconvenient to disassemble and use by people.

In order to achieve the purpose, the invention adopts the following technical scheme:

a transformer for a railway capable of preventing lightning stroke comprises a transformer body and a plurality of lightning rods, wherein the top of the transformer body is fixedly connected with a partition plate through a connecting rod, the top of the partition plate is symmetrically and fixedly connected with a plurality of mounting cylinders matched with the lightning rods, the lightning rods are connected with the mounting cylinders through connecting mechanisms, and the bottom of the transformer body is also provided with a buffer mechanism;

the connecting mechanism comprises a connecting block, two clamping blocks and a spring, one end of the connecting block is fixedly connected with the bottom of one lightning rod, a through hole matched with the two clamping blocks is formed in the side wall of the connecting block, the two clamping blocks and the spring are located in the through hole, the two ends of the spring are respectively fixedly connected with the side walls of the two clamping blocks, the inclined surface is formed in the side wall of one side, which is deviated from the clamping block, of the clamping block, an annular groove matched with the clamping blocks is formed in the inner wall of the mounting cylinder, an annular block is arranged in the annular groove, and an annular inclined surface is formed in the inner.

Preferably, buffer gear includes base, a plurality of buffer spring and a plurality of locating lever, and is a plurality of buffer spring's both ends respectively with the top of base and the bottom fixed connection of transformer body, a plurality of the one end of locating lever all run through the bottom of transformer body and with the top fixed connection of base, it is a plurality of buffer spring and a plurality of locating lever all are evenly distributed and set up.

Preferably, the outer wall of each annular block is symmetrically and fixedly connected with two sliding blocks, and the side wall of each annular groove is provided with a sliding groove matched with the sliding blocks.

Preferably, each connecting block is fixedly sleeved with a positioning plate, the bottom of the positioning plate is symmetrically and fixedly connected with a plurality of limiting rods, and the top of each mounting cylinder is provided with a limiting groove matched with the limiting rods.

Preferably, every the inner wall of an installation section of thick bamboo all is fixed and is equipped with the rubber gasket, and the rubber gasket offsets with the connecting block and sets up.

Preferably, a shielding layer is further fixedly arranged on the top of the partition board.

Compared with the prior art, the invention provides a railway transformer capable of preventing lightning stroke, which has the following beneficial effects:

1. this transformer for railway that can lightning protection was hit through baffle, lightning rod and the coupling mechanism who is equipped with, can improve the lightning protection effect of transformer, and can be convenient for to the lightning rod installation and dismantle, the people's of being convenient for use.

2. This transformer for railway that can prevent thunderbolt through the buffer gear who is equipped with, can cushion the vibrations in the transformer working process, improves its life.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the lightning protection effect of the transformer can be improved, the lightning rod can be conveniently installed and detached, and meanwhile, the vibration in the working process of the transformer is buffered, so that the service life of the transformer is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of a transformer for railway capable of preventing lightning stroke according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: 1 transformer body, 2 lightning rods, 3 baffle plates, 4 installation cylinders, 5 connecting blocks, 6 clamping blocks, 7 springs, 8 annular blocks, 9 bases, 10 buffer springs, 11 positioning rods, 12 sliding blocks, 13 positioning plates, 14 limiting rods, 15 shielding layers and 16 rubber gaskets.

Detailed Description

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

Referring to fig. 1-2, a transformer for railway capable of preventing lightning stroke comprises a transformer body 1 and a plurality of lightning rods 2, wherein the lightning rods 2 can achieve lightning protection effect, and in the prior art, the top of the transformer body 1 is fixedly connected with a partition plate 3 through a connecting rod, the top of the partition plate 3 is symmetrically and fixedly connected with a plurality of mounting cylinders 4 matched with the lightning rods 2, the lightning rods 2 are all connected with the mounting cylinders 4 through connecting mechanisms, and the bottom of the transformer body 1 is also provided with a buffer mechanism;

coupling mechanism includes connecting block 5, two fixture blocks 6 and spring 7, the one end of connecting block 5 and the bottom fixed connection of one of them lightning rod 2, and the lateral wall of connecting block 5 seted up with two fixture block 6 assorted through-holes, two fixture blocks 6 and spring 7 all are located the through-hole, and spring 7's both ends set up with the lateral wall fixed connection of two fixture blocks 6 respectively, the inclined plane has all been seted up to the lateral wall of two fixture blocks 6 back-to-back one side, the inner wall of installation section of thick bamboo 4 seted up with fixture block 6 assorted ring channel, be equipped with annular piece 8 in the ring channel, the annular inclined plane has been seted up to the inner wall.

Buffer gear includes base 9, a plurality of buffer spring 10 and a plurality of locating lever 11, a plurality of buffer spring 10's both ends respectively with base 9's top and transformer body 1's bottom fixed connection, a plurality of locating lever 11's one end all run through transformer body 1's bottom and with base 9's top fixed connection, a plurality of buffer spring 10 and a plurality of locating lever 11 all are evenly distributed and set up, train on the railway can arouse transformer body 1 vibrations when running, through the buffer spring 10 that is equipped with, can when transformer body 1 produces vibrations, offset the impact force of vibrations, improve and then improve transformer body 1's life, and through the locating lever 11 that is equipped with, can improve transformer body 1 stability in the use.

Two sliders 12 are fixedly connected to the outer wall of each annular block 8 symmetrically, sliding grooves matched with the sliders 12 are formed in the side walls of the annular grooves, and the positions of the annular blocks 8 are improved to limit.

Every connecting block 5 is fixed to have cup jointed locating plate 13, and a plurality of gag lever posts 14 of the bottom symmetry fixedly connected with of locating plate 13, the top of every installation section of thick bamboo 4 all seted up with gag lever post 14 assorted spacing groove, can prescribe a limit to the position of connecting block 5, prevent that connecting block 5 from rotating, improve the stability of its block.

The inner wall of every installation section of thick bamboo 4 is all fixed and is equipped with rubber gasket 16, and rubber gasket 16 offsets with connecting block 5 and sets up, can improve the stability of block between connecting block 5 and the installation section of thick bamboo 4.

The top of baffle 3 still fixedly is equipped with shielding layer 15, can improve the shielding effect of baffle 3, protects transformer body 1.

In the invention, when in use, the connecting block 5 is inserted into the mounting cylinder 4, when the positions of the clamping blocks 6 correspond to the positions of the annular grooves, the two clamping blocks 6 can be driven to move by the elastic force of the spring 7, so that the clamping blocks 6 are clamped into the annular grooves, and the lightning rod 2 is convenient to mount, when the lightning rod 2 needs to be dismounted, the connecting block 5 is pressed downwards, because the inclined surface is arranged on the clamping block 6, when the inclined surface of the clamping block 6 is abutted against the annular blocks 8, the clamping blocks 6 can be automatically contracted into the through holes, and simultaneously, when the clamping blocks 6 are moved to the positions of the annular inclined surfaces of the annular blocks 8, the clamping blocks 6 can be abutted against the annular blocks 8 by the elastic force of the spring 7, so that the connecting block 5 is pulled upwards, the clamping blocks 6 can be moved, because the clamping blocks 6 are abutted against the annular blocks 8, and the clamping blocks 6 can be moved to drive the annular blocks 8 to move, so that, and then the connecting block 5 of being convenient for breaks away from the installation section of thick bamboo, is convenient for to the dismantlement of lightning rod 2, and people's of being convenient for use, buffer spring 10 that the rethread was equipped with can offset the impact force of vibrations when transformer body 1 produces vibrations, improve and then improve transformer body 1's life.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The transformer for the railway capable of preventing lightning stroke comprises a transformer body (1) and a plurality of lightning rods (2), and is characterized in that the top of the transformer body (1) is fixedly connected with a partition plate (3) through a connecting rod, the top of the partition plate (3) is symmetrically and fixedly connected with a plurality of mounting cylinders (4) matched with the lightning rods (2), the lightning rods (2) are connected with the mounting cylinders (4) through connecting mechanisms, and the bottom of the transformer body (1) is further provided with a buffer mechanism;

the connecting mechanism comprises a connecting block (5), two clamping blocks (6) and a spring (7), one end of the connecting block (5) is fixedly connected with the bottom of one lightning rod (2), the side wall of the connecting block (5) is provided with two clamping block (6) matched through holes, the two clamping blocks (6) and the spring (7) are both located in the through holes, the two ends of the spring (7) are respectively arranged with the side wall of the two clamping blocks (6) in a fixed mode, the two clamping blocks (6) are opposite to each other, the side wall of one side is provided with inclined planes, the inner wall of the installation cylinder (4) is provided with annular grooves matched with the clamping blocks (6), annular blocks (8) are arranged in the annular grooves, and the inner wall of each annular block (8) is provided with an annular inclined plane.

2. The transformer for the railway capable of preventing the lightning stroke according to claim 1, wherein the buffering mechanism comprises a base (9), a plurality of buffering springs (10) and a plurality of positioning rods (11), two ends of the plurality of buffering springs (10) are respectively fixedly connected with the top of the base (9) and the bottom of the transformer body (1), one ends of the plurality of positioning rods (11) penetrate through the bottom of the transformer body (1) and are fixedly connected with the top of the base (9), and the plurality of buffering springs (10) and the plurality of positioning rods (11) are uniformly distributed.

3. The railway transformer capable of preventing lightning stroke according to claim 1, wherein two sliding blocks (12) are symmetrically and fixedly connected to the outer wall of each annular block (8), and sliding grooves matched with the sliding blocks (12) are formed in the side walls of the annular grooves.

4. The railway transformer capable of preventing lightning stroke according to claim 1, wherein each connecting block (5) is fixedly sleeved with a positioning plate (13), the bottom of the positioning plate (13) is symmetrically and fixedly connected with a plurality of limiting rods (14), and the top of each mounting cylinder (4) is provided with a limiting groove matched with the limiting rod (14).

5. The railway transformer capable of preventing lightning stroke according to claim 1, wherein a rubber gasket (16) is fixedly arranged on the inner wall of each mounting cylinder (4), and the rubber gasket (16) is abutted against the connecting block (5).

6. The transformer for railway capable of preventing lightning stroke according to claim 1, characterized in that a shielding layer (15) is further fixed on the top of the partition board (3).