An oil-immersed transformer oil injection device

Abstract

This utility model belongs to the technical field of oil injection devices, specifically an oil-immersed transformer oil injection device, including an oil storage tank, an oil pump, and an oil injection pipe. A connecting component is fixedly installed on the outer wall of the oil injection pipe end. A rotating ring is provided on the connecting component, and a connecting rope is fixedly installed on the outer end of the rotating ring. A flange assembly is rotatably installed at the end of the connecting rope away from the rotating ring via a connecting block. A contact surface sealing gasket is fixedly installed on the outer wall of the flange assembly, and an inner rubber reinforcement layer is fixedly installed on the inner wall of the flange assembly. A connecting ring is integrally installed on the outer end of the flange assembly. This oil-immersed transformer oil injection device allows for quick connection between the transformer oil injection port and the oil injection flange ring, enabling quick and convenient installation and disassembly. It facilitates the limiting and fixing of the oil storage tank and allows for easy adjustment of the position of the arc-shaped baffle, enabling the disassembly and replacement of the oil storage tank.

Description

Technical Field

[0001] This utility model belongs to the technical field of oil injection devices, specifically an oil injection device for an oil-immersed transformer. Background Technology

[0002] Before leaving the factory, during installation, or after maintenance, transformers require the filling of insulating oil into the oil tank. An oil filling device assists in this process, ensuring even oil filling and preventing air bubbles from entering. During operation, the oil level may drop due to temperature changes, minor leaks, or other reasons. The oil filling device can easily replenish the insulating oil to maintain the normal oil level. The oil filling device for oil-immersed transformers plays a crucial role in the filling, replenishing, and maintenance of transformers.

[0003] However, existing oil filling devices require bolts to be tightened and fixed to the oil filling flange of the transformer before oil filling. This is cumbersome and time-consuming. Therefore, an oil-immersed transformer oil filling device is proposed to address the above problems. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes an oil-immersed transformer oil injection device.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: The oil-immersed transformer oil injection device of this utility model includes an oil storage tank, an oil pump and an oil injection pipe; an accessory connector is fixedly installed on the outer wall of the end of the oil injection pipe, a rotating ring is provided on the accessory connector, a connecting rope is fixedly installed on the outer end of the rotating ring, a flange kit is rotatably installed on the end of the connecting rope away from the rotating ring through a connecting block, a contact surface sealing gasket is fixedly installed on the outer wall of the flange kit, an inner rubber reinforcement layer is fixedly installed on the inner wall of the flange kit, a connecting ring is integrally installed on the outer end of the flange kit, and an adjustable arc-shaped baffle is provided on the outside of the oil storage tank.

[0006] Preferably, the connecting ring has a threaded hole inside, and two sets of flange kits are symmetrically arranged. The threaded hole is used to connect and fix the two sets of flange kits.

[0007] Preferably, an oil injection flange ring is fixedly installed at the end of the oil injection pipe, and positioning bolts are provided at equal angles on the outer wall of the oil injection flange ring, and a sealing ring is fixedly installed at the outer end of the oil injection flange ring.

[0008] Preferably, the lower end of the oil storage tank is provided with a base for moving the oil storage tank, and the base has two sets of adjustment grooves symmetrically opened inside.

[0009] Preferably, the inner end of the adjusting groove is provided with a fastening bolt, the upper end of which is threadedly connected to the inside of the arc-shaped baffle, and the outer wall of the arc-shaped baffle is tightly fitted to the lower surface of the base.

[0010] Preferably, a push handle is fixedly installed on the upper end of the base, the push handle is located on the outside of the oil storage tank, and a caster wheel is fixedly installed on the lower end of the base.

[0011] Preferably, the end of the oil injection pipe away from the oil injection flange is fixedly connected to the upper end of the oil pump, and the oil pump is stably placed on top of the oil storage tank.

[0012] The beneficial effects of this utility model are:

[0013] 1. This utility model provides an oil-immersed transformer oil filling device. By setting a flange kit, a contact surface sealing gasket, a connecting ring, and an inner rubber reinforcement layer, the transformer oil filling port and the oil filling flange ring are connected. The flange kit is then placed on the outside of the two sets of flanges, and the two sets of flange kits are fixed by the connecting ring. This allows for quick connection between the transformer oil filling port and the oil filling flange ring, and the installation and disassembly are quick and convenient.

[0014] 2. This utility model provides an oil-immersed transformer oil filling device. Through the setting of an adjustment groove, fastening bolts and an arc-shaped baffle, the arc-shaped baffle limits and fixes the oil storage tank. The movement and adjustment of the arc-shaped baffle can be realized through the fastening bolts and the adjustment groove, which facilitates the limitation and fixation of the oil storage tank and the adjustment of the position of the arc-shaped baffle, and realizes the disassembly and replacement of the oil storage tank. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0016] In the attached diagram:

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a perspective view of the flange assembly in this utility model;

[0019] Figure 3 This is a perspective view of the flange assembly combined in this utility model;

[0020] Figure 4 This is a perspective view of the base in this utility model.

[0021] Legend:

[0022] 1. Oil storage tank; 2. Oil pump; 3. Oil injection pipe; 4. Accessory connectors; 5. Rotating ring; 6. Connecting rope; 7. Connecting block; 8. Flange kit; 9. Contact surface sealing gasket; 10. Connecting ring; 11. Threaded hole; 12. Oil injection flange ring; 13. Positioning bolt; 14. Sealing ring; 15. Base; 16. Adjustment groove; 17. Fastening bolt; 18. Arc-shaped baffle; 19. Push handle; 20. Casters; 21. Inner rubber reinforcement layer. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Specific implementation examples are given below.

[0025] Please see Figure 1 - Figure 4 This utility model provides an oil-immersed transformer oil injection device, comprising an oil storage tank 1, an oil pump 2, and an oil injection pipe 3; an accessory connector 4 is fixedly installed on the outer wall of the end of the oil injection pipe 3, a rotating ring 5 is provided on the accessory connector 4, a connecting rope 6 is fixedly installed on the outer end of the rotating ring 5, and a flange kit 8 is rotatably installed on the end of the connecting rope 6 away from the rotating ring 5 through a connecting block 7; a contact surface sealing gasket 9 is fixedly installed on the outer wall of the flange kit 8, an inner rubber reinforcement layer 21 is fixedly installed on the inner wall of the flange kit 8, and a connecting ring 10 is integrally installed on the outer end of the flange kit 8; an adjustable arc-shaped baffle 18 is provided on the outer side of the oil storage tank 1.

[0026] Furthermore, such as Figure 2 and Figure 3 As shown, the connecting ring 10 has a threaded hole 11 inside, and two sets of flange kits 8 are symmetrically arranged. The threaded hole 11 is used to connect and fix the two sets of flange kits 8. An oil injection flange ring 12 is fixedly installed at the end of the oil injection pipe 3. The outer wall of the oil injection flange ring 12 is provided with positioning bolts 13 at equal angles, and a sealing ring 14 is fixedly installed at the outer end of the oil injection flange ring 12. The positioning bolts 13 on the oil injection flange ring 12 can quickly and accurately align the oil injection flange ring 12 with the flange of the transformer oil injection port, which facilitates installation.

[0027] Furthermore, such as Figure 1 and Figure 2As shown, a base 15 for moving the oil storage tank 1 is provided at the lower end of the oil storage tank 1. Two sets of adjustment grooves 16 are symmetrically opened inside the base 15. A fastening bolt 17 is provided at the inner end of the adjustment groove 16. The upper end of the fastening bolt 17 is threaded to the inside of the arc-shaped baffle 18. The outer wall of the arc-shaped baffle 18 is tightly fitted to the lower surface of the base 15. A push handle 19 is fixedly installed at the upper end of the base 15. The push handle 19 is located on the outside of the oil storage tank 1. A caster wheel 20 is fixedly installed at the lower end of the base 15. The end of the oil filling pipe 3 away from the oil filling flange ring 12 is fixedly connected to the upper end of the oil pump 2. The oil pump 2 is stably placed on the top of the oil storage tank 1. The arc-shaped baffle 18 can stably limit the movement of the oil storage tank 1. The position of the arc-shaped baffle 18 can be adjusted by the adjustment grooves 16 and the fastening bolts 17. It can be used for oil storage tanks 1 of different sizes, and at the same time realize the replacement and transportation of the oil storage tank 1.

[0028] Working principle: During use, the base 15 is pushed by the push handle 19, and the universal wheels 20 at the lower end of the base 15 rotate, moving the oil tank 1 to the required position. The arc-shaped baffle 18 limits and fixes the oil tank 1, keeping it stable during movement. Then, the transformer's oil filling port is connected to the oil filling flange ring 12. When connecting the oil filling flange ring 12, the positioning bolt 13 on the oil filling flange ring 12 is inserted into the screw hole of the transformer's oil filling port flange, which can quickly position the oil filling flange ring 12. Then, the oil filling flange ring 12 and the transformer... The oil inlet of the transformer is tightly fitted. The flange assembly 8 is picked up and rotated outward to open it. Then, the flange assembly 8 is placed on the outer end of the oil inlet flange ring 12 and the oil inlet of the transformer. The two sets of flange assemblies 8 are rotated to close, so that the contact surface sealing gasket 9 is in contact with the contact surface sealing gasket 9. The inner rubber encryption layer 21 is tightly attached to the outer side of the oil inlet flange ring 12 and the transformer oil inlet flange. Then, the bolts are passed through the threaded hole 11 on the inner side of the connecting ring 10 to tighten and fix it, so as to achieve docking. Then, the oil pump 2 can be started to transport the supplementary oil inside the oil storage tank 1 to the inside of the transformer through the oil inlet pipe 3.

[0029] When the oil storage tank 1 is used up and needs to be replaced, loosen the fastening bolt 17 downwards, and then move the arc-shaped baffle 18 within the range of the adjustment groove 16. After moving the arc-shaped baffle 18 outwards, the limitation on the oil storage tank 1 will be released, and then the oil storage tank 1 can be removed for replacement. After moving the new oil storage tank 1 onto the base 15, place the oil storage tank 1 in the center position, then move the arc-shaped baffle 18 to be close to the outer wall of the oil storage tank 1, and then turn the fastening bolt 17 upwards to tighten the fastening bolt 17 to reinforce the arc-shaped baffle 18.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An oil-immersed transformer oil injection device, comprising an oil storage tank (1), an oil pump (2), and an oil injection pipe (3); characterized in that: The outer wall of the end of the oil injection pipe (3) is fixedly installed with a fitting connector (4). A rotating ring (5) is provided on the fitting connector (4). A connecting rope (6) is fixedly installed on the outer end of the rotating ring (5). A flange kit (8) is rotatably installed on the end of the connecting rope (6) away from the rotating ring (5) through a connecting block (7). A contact surface sealing gasket (9) is fixedly installed on the outer wall of the flange kit (8). An inner rubber reinforcement layer (21) is fixedly installed on the inner wall of the flange kit (8). A connecting ring (10) is integrally installed on the outer end of the flange kit (8). An adjustable arc-shaped baffle (18) is provided on the outside of the oil storage tank (1).

2. The oil-filling device for an oil-immersed transformer as described in claim 1, characterized in that: The connecting ring (10) has a threaded hole (11) inside. Two sets of flange kits (8) are symmetrically arranged. The threaded hole (11) is used to connect and fix the two sets of flange kits (8).

3. The oil-immersed transformer oil injection device as described in claim 1, characterized in that: An oil injection flange ring (12) is fixedly installed at the end of the oil injection pipe (3). A positioning bolt (13) is provided at an equal angle on the outer wall of the oil injection flange ring (12). A sealing ring (14) is fixedly installed at the outer end of the oil injection flange ring (12).

4. The oil-immersed transformer oil injection device as described in claim 1, characterized in that: The lower end of the oil storage tank (1) is provided with a base (15) for moving the oil storage tank (1), and two sets of adjustment grooves (16) are symmetrically opened inside the base (15).

5. The oil-filling device for an oil-immersed transformer as described in claim 4, characterized in that: The inner end of the adjustment groove (16) is provided with a fastening bolt (17), the upper end of the fastening bolt (17) is threaded to the inside of the arc-shaped baffle (18), and the outer wall of the arc-shaped baffle (18) is tightly attached to the lower surface of the base (15).

6. The oil-filling device for an oil-immersed transformer as described in claim 5, characterized in that: A push handle (19) is fixedly installed on the upper end of the base (15), and the push handle (19) is located on the outside of the oil storage tank (1). A caster wheel (20) is fixedly installed on the lower end of the base (15).

7. The oil-filling device for an oil-immersed transformer as described in claim 1, characterized in that: The end of the oil injection pipe (3) away from the oil injection flange (12) is fixedly connected to the upper end of the oil pump (2), and the oil pump (2) is stably placed on top of the oil storage tank (1).

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