CN219891990U

CN219891990U - High-voltage winding structure of dry-type power transformer

Info

Publication number: CN219891990U
Application number: CN202320574572.5U
Authority: CN
Inventors: 贺玉飞
Original assignee: Nanjing Daqo Transformer Systems Co ltd; Daqo Group Co Ltd
Current assignee: Nanjing Daqo Transformer Systems Co ltd; Daqo Group Co Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-10-24
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses a high-voltage winding structure of a dry-type power transformer, and relates to the technical field of dry-type power transformers; the utility model solves the problems that when a fan is damaged, the disassembly work is complicated, and when the fan needs to be transferred in a short distance, a forklift needs to be regulated for transferring; according to the utility model, through the arrangement of the rollers, the hydraulic rod is used for lifting the device, and the rollers are limited after being contacted with the ground, so that the device is convenient to move, the operation is simple and convenient, and the working efficiency of workers is improved.

Description

High-voltage winding structure of dry-type power transformer

Technical Field

The utility model relates to the technical field of dry-type power transformers, in particular to a high-voltage winding structure of a dry-type power transformer.

Background

The dry-type transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply refers to a transformer cooling mode in which an iron core and a winding are not immersed in insulating oil, and is divided into natural air cooling and forced air cooling. During natural air cooling, the transformer can continuously operate for a long time under rated capacity. When forced air cooling is performed, the output capacity of the transformer can be improved by 50%. The overload protection device is suitable for intermittent overload operation or emergency overload operation, and is not required to be in continuous overload operation for a long time because load loss and impedance voltage increase are large during overload and the overload operation is in a non-economic operation state.

The prior art has the following problems: in the high-voltage winding structure of the dry-type power transformer disclosed in the Chinese patent application No. CN202021701499.6, when the dry-type power transformer is used, the fan is damaged, the disassembly work is complicated, so that the working efficiency is reduced, and when the transformer needs to be transferred in a short distance, a forklift is required to be used for transferring, so that the working progress is slow.

In view of the above, the inventors propose a high-voltage winding structure of a dry-type power transformer for solving the above problems.

Disclosure of Invention

In order to solve the problems that when the fan is damaged, the disassembly work is complicated, and when the fan needs to be transferred in a short distance, a forklift is required to be regulated for transferring; the utility model aims to provide a high-voltage winding structure of a dry-type power transformer.

In order to solve the technical problems, the utility model adopts the following technical scheme: including the base, set up the heat dissipation frame at the base top and set up the transformer body at the heat dissipation frame top, equal fixedly connected with swash plate all around of base bottom, the bottom fixedly connected with draw runner plate of swash plate, the internal surface of draw runner plate is through slider sliding connection has the connecting plate, the front portion and the rear portion of connecting plate bottom all are provided with the gyro wheel, through the setting of gyro wheel, use the hydraulic stem to rise the device, carry out spacingly after gyro wheel and the ground contact, make the device conveniently remove, easy operation is convenient, has improved workman's work efficiency.

Preferably, the top fixedly connected with limit baffle of connecting plate, the equal fixedly connected with of both sides of base bottom is first limiting plate, and limit baffle is used for spacing the connecting plate, prevents that the connecting plate from driving the gyro wheel and remove along the slipway board at will, the equal fixedly connected with spacing frame of both sides of base bottom, the internal surface sliding connection of spacing frame has the second limiting plate, one side of second limiting plate and one side in close contact with of limit baffle, and the spacing frame is used for installing the second limiting plate, one side of second limiting plate and one side in close contact with of limit baffle to limit baffle carries out spacingly, prevent limit baffle upward movement, one side of spacing frame runs through and sliding connection has the spring bar, the surface cover of spring bar is equipped with expansion spring, and the spring bar inserts and is used for spacing to the second limiting plate, makes the convenient removal of limit baffle, the spring hole has been seted up to one side of second limiting plate, equal fixedly connected with supporting leg all around of base bottom, and the supporting leg supports the device, increases device's stability.

Preferably, the inside of heat dissipation frame is provided with the heat dissipation fan, the top of base just is located one side rotation of heat dissipation frame and is connected with the threaded rod, the surface of threaded rod is provided with the opposite screw thread, the surface threaded connection of threaded rod has the thread bush, the quantity of thread bush is provided with two, and the heat dissipation fan dispels the heat to the device, and the threaded rod is used for driving two adjacent thread bushes and is close to each other or keep away from, the surface fixedly connected with spacing guide arm of thread bush, the spacing groove with spacing guide arm looks adaptation is seted up to one side of heat dissipation frame, and spacing guide arm is used for driving spacing groove and makes spacing stripper plate remove, the equal sliding connection in front portion and the rear portion of heat dissipation frame internal surface has spacing stripper plate, the mounting draw-in groove with spacing guide arm looks adaptation has all been seted up to the both sides of heat dissipation frame bottom, the top fixedly connected with reinforcing steel sheet of reinforcing steel sheet's both sides and the top fixed connection of base, reinforcing steel sheet increases the structural strength of heat dissipation frame, through the setting of spacing stripper plate, rotates and makes the spacer plate keep away from the frame to dismantle the spacer plate to remove to the spacer plate, then to remove the spacer plate, and the heat dissipation efficiency can be removed by the easy operation of workman, and the work has been removed.

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

1. through the arrangement of the rollers, the device is lifted by using the hydraulic rod, and the rollers are limited after being contacted with the ground, so that the device is convenient to move, the operation is simple and convenient, and the working efficiency of workers is improved;

2. through the setting of spacing stripper plate, rotate the threaded rod and make spacing stripper plate keep away from the heat dissipation frame, dismantle spacing stripper plate to remove spacing to radiator fan, then shift out the gyro wheel can, easy operation is convenient, has improved workman's work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural view of the swash plate of the present utility model.

Fig. 3 is a schematic structural view of the runner plate of the present utility model.

Fig. 4 is a schematic structural view of a limiting frame of the present utility model.

Fig. 5 is a schematic structural diagram of a heat dissipating frame according to the present utility model.

Fig. 6 is a schematic structural view of the limiting extrusion plate of the present utility model.

Fig. 7 is a schematic structural diagram of a heat dissipation fan according to the present utility model.

In the figure: 1. a base; 2. a heat dissipation frame; 3. a transformer body; 4. a sloping plate; 5. a chute plate; 6. a roller; 7. a connecting plate; 8. a limit baffle; 9. a first limiting plate; 10. a limit frame; 11. a second limiting plate; 12. a spring rod; 13. a telescopic spring; 14. a spring hole; 15. support legs; 16. a heat radiation fan; 17. a threaded rod; 18. a thread sleeve; 19. a limit guide rod; 20. a limit groove; 21. limiting extrusion plates; 22. installing a clamping groove; 23. reinforcing the steel plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-7, the utility model provides a high-voltage winding structure of a dry power transformer, which comprises a base 1, a heat dissipation frame 2 arranged at the top of the base 1 and a transformer body 3 arranged at the top of the heat dissipation frame 2, wherein the periphery of the bottom of the base 1 is fixedly connected with a sloping plate 4, the bottom of the sloping plate 4 is fixedly connected with a chute plate 5, the inner surface of the chute plate 5 is slidably connected with a connecting plate 7 through a sliding block, the front part and the rear part of the bottom of the connecting plate 7 are respectively provided with a roller 6, the device is lifted by using a hydraulic rod through the arrangement of the rollers 6, and the rollers 6 are limited after contacting with the ground, so that the device is convenient to move, the operation is simple and convenient, and the working efficiency of workers is improved.

The top fixedly connected with limit baffle 8 of connecting plate 7, the both sides of base 1 bottom are all fixedly connected with first limiting plate 9.

Through adopting above-mentioned technical scheme, limit baffle 8 is used for spacing connecting plate 7, prevents that connecting plate 7 from driving gyro wheel 6 along the slide groove board 5 random movement.

Both sides of the bottom of the base 1 are fixedly connected with a limiting frame 10, the inner surface of the limiting frame 10 is slidably connected with a second limiting plate 11, and one side of the second limiting plate 11 is in close contact with one side of the limiting baffle 8.

Through adopting above-mentioned technical scheme, spacing frame 10 is used for installing second limiting plate 11, and one side of second limiting plate 11 and one side in close contact of limit baffle 8 to spacing baffle 8 carries out spacingly, prevents limit baffle 8 to upwards remove.

One side of the limiting frame 10 penetrates through and is connected with a spring rod 12 in a sliding mode, and an outer surface of the spring rod 12 is sleeved with a telescopic spring 13.

Through adopting above-mentioned technical scheme, spring bar 12 inserts and is used for spacing second limiting plate 11, makes the convenient removal of limit baffle 8.

Spring holes 14 are formed in one side of the second limiting plate 11, and supporting legs 15 are fixedly connected to the periphery of the bottom of the base 1.

By adopting the technical scheme, the supporting legs 15 support the device, so that the stability of the device is improved.

The inside of heat dissipation frame 2 is provided with heat dissipation fan 16, and the top of base 1 just is located one side rotation of heat dissipation frame 2 and is connected with threaded rod 17, and the surface of threaded rod 17 is provided with the opposite screw thread, and the surface threaded connection of threaded rod 17 has thread bush 18, and the quantity of thread bush 18 is provided with two.

By adopting the technical scheme, the heat dissipation fan 16 dissipates heat of the device, and the threaded rod 17 is used for driving the adjacent two threaded sleeves 18 to be close to or far away from each other.

The outer surface of the thread bush 18 is fixedly connected with a limit guide rod 19, and one side of the heat dissipation frame 2 is provided with a limit groove 20 which is matched with the limit guide rod 19.

By adopting the technical scheme, the limiting guide rod 19 is used for driving the limiting groove 20 to enable the limiting extrusion plate 21 to move.

The front part and the rear part of the inner surface of the heat dissipation frame 2 are both in sliding connection with a limiting extrusion plate 21, two sides of the bottom of the limiting extrusion plate 21 are both provided with mounting clamping grooves 22 matched with the limiting guide rods 19, the top of the inner surface of the heat dissipation frame 2 is fixedly connected with a reinforcing steel plate 23, and two sides of the reinforcing steel plate 23 are fixedly connected with the top of the base 1.

Through adopting above-mentioned technical scheme, strengthen steel sheet 23 increase the structural strength of heat dissipation frame 2, through the setting of spacing stripper plate 21, rotate threaded rod 17 and make spacing stripper plate 21 keep away from heat dissipation frame 2, dismantle spacing stripper plate 21 to remove spacing to cooling fan 16, then with gyro wheel 6 shift out can, easy operation is convenient, has improved workman's work efficiency.

When the device needs to be moved, a hydraulic rod is used for lifting the device, due to gravity, the roller 6 drives the connecting plate 7 to slide along the sliding groove plate 5, the spring rod 12 is pulled to enable the telescopic spring 13 to extend, due to gravity, the second limiting plate 11 descends, the spring rod 12 is loosened, the telescopic spring 13 contracts to drive the spring rod 12 to be inserted into the spring hole 14, so that the second limiting plate 11 is limited, the hydraulic rod is loosened, the roller 6 is in contact with the ground, the roller 6 drives the connecting plate 7 to enable the limiting baffle 8 to be in close contact with the spring hole 14, so that the limiting baffle 8 is limited, and then the device is moved;

when the cooling fan 16 needs to be disassembled for maintenance, the threaded rod 17 is rotated to drive the threaded sleeve 18 to move, the threaded sleeve 18 drives the limit guide rod 19 to move along the limit groove 20, the limit guide rod 19 drives the mounting clamping groove 22 to move the limit extrusion plate 21, and when the limit extrusion plate 21 moves out of the cooling frame 2, the limit extrusion plate 21 is moved upwards to drive the mounting clamping groove 22 to be far away from the limit guide rod 19, so that the limit extrusion plate 21 is disassembled, the limit on the cooling fan 16 is relieved, the cooling fan 16 is moved out to be far away from the cooling frame 2, and the cooling fan 16 is disassembled.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a dry-type power transformer's high tension winding structure, includes base (1), sets up heat dissipation frame (2) at base (1) top and sets up transformer body (3) at heat dissipation frame (2) top, its characterized in that: the novel sliding plate is characterized in that the inclined plates (4) are fixedly connected to the periphery of the bottom of the base (1), the sliding groove plates (5) are fixedly connected to the bottom of the inclined plates (4), the connecting plates (7) are connected to the inner surfaces of the sliding groove plates (5) in a sliding mode through sliding blocks, and the rollers (6) are arranged at the front portion and the rear portion of the bottom of the connecting plates (7).

2. The high-voltage winding structure of the dry-type power transformer according to claim 1, wherein the top of the connecting plate (7) is fixedly connected with a limit baffle (8), and both sides of the bottom of the base (1) are fixedly connected with first limit plates (9).

3. The high-voltage winding structure of a dry-type power transformer according to claim 2, wherein two sides of the bottom of the base (1) are fixedly connected with a limiting frame (10), the inner surface of the limiting frame (10) is slidably connected with a second limiting plate (11), and one side of the second limiting plate (11) is in tight contact with one side of the limiting baffle (8).

4. A high-voltage winding structure of a dry-type power transformer according to claim 3, characterized in that a spring rod (12) is penetrated and slidingly connected to one side of the limit frame (10), and a telescopic spring (13) is sleeved on the outer surface of the spring rod (12).

5. The high-voltage winding structure of a dry-type power transformer according to claim 4, wherein a spring hole (14) is formed on one side of the second limiting plate (11), and supporting legs (15) are fixedly connected to the periphery of the bottom of the base (1).

6. The high-voltage winding structure of a dry-type power transformer according to claim 1, wherein a heat radiation fan (16) is arranged in the heat radiation frame (2), a threaded rod (17) is rotatably connected to the top of the base (1) and located at one side of the heat radiation frame (2), opposite threads are arranged on the outer surface of the threaded rod (17), threaded sleeves (18) are connected to the outer surface of the threaded rod (17) in a threaded manner, and two threaded sleeves (18) are arranged in number.

7. The high-voltage winding structure of a dry-type power transformer according to claim 6, wherein the outer surface of the threaded sleeve (18) is fixedly connected with a limit guide rod (19), and a limit groove (20) matched with the limit guide rod (19) is formed in one side of the heat dissipation frame (2).

8. The high-voltage winding structure of a dry-type power transformer according to claim 7, wherein the front part and the rear part of the inner surface of the heat dissipation frame (2) are both slidably connected with a limiting extrusion plate (21), mounting clamping grooves (22) matched with the limiting guide rods (19) are formed in two sides of the bottom of the limiting extrusion plate (21), a reinforcing steel plate (23) is fixedly connected to the top of the inner surface of the heat dissipation frame (2), and two sides of the reinforcing steel plate (23) are fixedly connected with the top of the base (1).