Gas connecting pipe for oil-immersed power transformer
By designing an oil-immersed power transformer connecting pipe that includes lower mounting disk, mounting disk assembly, insulating plate, hollow silicone ring and fixed assembly, the problem of wear caused by vibration is solved, the effect of reducing wear is achieved, and the insulation performance is ensured.
Patent Information
- Application Number
- CN202422008208.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The excessive vibration caused by electromagnetic force during operation of the oil-immersed power transformer may cause wear of the insulation material, affecting the insulation performance of the transformer connection pipe.
An oil-immersed power transformer connecting air pipe is designed, including a lower mounting plate, mounting plate assembly, insulating plate, hollow silicone ring and fixing assembly. Through the structural design and connection of these components, the wear of vibration on the insulating plate is reduced.
It effectively reduces the wear of the insulating plate due to vibration, ensures the service life of the insulating plate, and maintains the insulation performance of the transformer connection pipe.
Smart Images
Figure CN222848854U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air connecting pipes, in particular to an oil-immersed air connecting pipe for a power transformer. Background Art
[0002] The gas pipe of an oil-immersed transformer is part of the transformer assembly. It is responsible for connecting different parts inside the transformer to ensure that the oil and gas can circulate and flow normally inside the transformer. The gas pipe is usually used in the cooling system and breathing system of the oil-immersed transformer to help regulate the temperature and pressure of the transformer oil while providing the necessary gas release channel.
[0003] When the transformer is working, the internal coil will generate electromagnetic force when alternating current passes through it. This force may cause the coil and the iron core to vibrate, and then cause the entire transformer to vibrate. However, if the vibration is too large, it may cause the insulation material to wear and affect the insulation performance of the transformer connecting pipe. Therefore, an oil-immersed power transformer connecting pipe is proposed to address the above problems. Utility Model Content
[0004] The utility model aims to provide an oil-immersed power transformer gas connection pipe to solve the problem that excessive vibration may cause abrasion of insulating materials and affect the insulation performance of the transformer connection pipe.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An oil-immersed power transformer gas connection pipe comprises a first gas connection pipe and a lower mounting plate, wherein the top of the first gas connection pipe is fixedly connected to the lower mounting plate, a mounting plate assembly is installed on the outer side of the lower mounting plate, an insulating plate is installed inside the mounting plate assembly, a second gas connection pipe is fixedly connected to the top of the mounting plate assembly, a fixing assembly is rotatably connected to the inner side of the mounting plate assembly, a hollow silicone ring is fixedly connected to the upper and lower ends of the lower mounting plate, the mounting plate assembly comprises a flange, a notch is provided on the inner side of the flange, a column rotation groove is provided on the inner side of the flange, a double rectangular groove is provided on the inner side of the flange, and a A return spring is fixedly connected to one side of the double rectangular groove, and a rectangular plate is fixedly connected to one side of the return spring, and a slope block is fixedly connected to one side of the rectangular plate. The fixed assembly includes a folding plate, an axle rod is fixedly connected to the outer side of the folding plate, and an arc-shaped rubber sheet is fixedly connected to one side of the folding plate. A spring telescopic rod is fixedly connected to one side of the lower end of the folding plate, and a rubber ball is fixedly connected to the top of the spring telescopic rod. The outer side of the axle rod is rotatably connected to the inner side of the column rotating groove, the top of the rubber ball is fitted with the bottom end of the lower mounting plate, the top of the hollow silicone ring is fitted with the bottom end of the mounting plate assembly, and the bottom end of the hollow silicone ring is fitted with the top end of the lower mounting plate.
[0007] As further optimization of the present invention, the inner side of the second air pipe is connected to the inside of the mounting plate assembly, the bottom end of the flange is fitted with the top end of the hollow silicone ring, the shape of the notch is a rectangle, and the number of the notches is not less than four.
[0008] As a further optimization of the present invention, the notch is connected to the column rotation groove, the column rotation groove is in the shape of a cylinder, the column rotation grooves are in several groups, each group has two column rotation grooves, and the column rotation grooves are symmetrically opened at both ends of the notch.
[0009] As a further optimization of the present invention, the double rectangular grooves are shaped as rectangular bodies opened at both ends, the double rectangular grooves are connected to the notches, and the number of the double rectangular grooves corresponds one to one with the number of the column rotation grooves.
[0010] As further optimization content of the present invention, the shape of the rectangular plate is a rectangle, the two ends of the rectangular plate are fixedly connected with limiting slides, the rectangular plate is slidably connected to the inner side of the double rectangular groove through the limiting slides, the shape of the slope block is a triangle, the slope block protrudes from the inside of the notch, and one side of the slope block is fitted with one side of the folded plate.
[0011] As further optimization content of the present invention, the shaft rod is in the shape of a cylinder, the shaft rods are in several groups, the shaft rods are symmetrically fixed at both ends of the folding plate, the folding plate is in the shape of an "L" shape, and one side of the arc-shaped rubber sheet is in contact with the outer side of the insulating plate.
[0012] As a further optimization of the present invention, the insulating plate is in the shape of a hollow cylinder, the number of the hollow silicone rings is two, and the inner side of the hollow silicone ring is hollow.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] In the utility model, by providing the lower mounting plate, mounting plate assembly, insulating plate, hollow silicone ring and fixing assembly, the device is convenient and quick when connecting the mounting plate assembly and the lower mounting plate. At the same time, the installed insulating plate is located between the mounting plate assembly and the lower mounting plate to have an insulating effect. When the transformer is working, the wear on the insulating plate caused by vibration can be reduced, thereby ensuring the service life of the insulating plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the second air pipe structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the lower mounting plate of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the mounting plate assembly of the utility model;
[0019] Figure 5 For this utility model Figure 4 A schematic diagram of the structure at A;
[0020] Figure 6 This is a schematic diagram of the structure of the fixing component of the utility model.
[0021] In the figure: 1. First air connection pipe; 2. Lower mounting plate;
[0022] 3. Mounting plate assembly; 31. Flange; 32. Notch; 33. Column rotation slot; 34. Double rectangular slot; 35. Return spring; 36. Rectangular plate; 37. Slope block;
[0023] 4. Insulation board; 5. Second air connection pipe;
[0024] 6. Fixing assembly; 61. Folding plate; 62. Axle rod; 63. Curved rubber sheet; 64. Spring telescopic rod; 65. Rubber ball;
[0025] 7. Hollow silicone ring. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0028] See also Figure 1-6 , the utility model provides a technical solution:
[0029] An oil-immersed power transformer gas connection pipe comprises a first gas connection pipe 1 and a lower mounting plate 2, wherein the top of the first gas connection pipe 1 is fixedly connected to the lower mounting plate 2, a mounting plate assembly 3 is installed on the outer side of the lower mounting plate 2, an insulating plate 4 is installed inside the mounting plate assembly 3, a second gas connection pipe 5 is fixedly connected to the top of the mounting plate assembly 3, a fixing assembly 6 is rotatably connected to the inner side of the mounting plate assembly 3, a hollow silicone ring 7 is fixedly connected to the upper and lower ends of the lower mounting plate 2, and the mounting plate assembly 3 comprises a flange 31, a notch 32 is opened on the inner side of the flange 31, a column rotation groove 33 is opened on the inner side of the flange 31, a double rectangular groove 34 is opened on the inner side of the flange 31, and the double rectangular groove 34 is opened on the inner side of the flange 31. A return spring 35 is fixedly connected to one side of the return spring 35, a rectangular plate 36 is fixedly connected to one side of the rectangular plate 36, a slope block 37 is fixedly connected to one side of the rectangular plate 36, the fixed assembly 6 comprises a folding plate 61, a shaft 62 is fixedly connected to the outer side of the folding plate 61, an arc-shaped rubber sheet 63 is fixedly connected to one side of the folding plate 61, a spring telescopic rod 64 is fixedly connected to one side of the lower end of the folding plate 61, a rubber ball 65 is fixedly connected to the top of the spring telescopic rod 64, the outer side of the shaft 62 is rotatably connected to the inner side of the column rotation groove 33, the top of the rubber ball 65 is fitted with the bottom end of the lower mounting plate 2, the top of the hollow silicone ring 7 is fitted with the bottom end of the mounting plate assembly 3, and the bottom of the hollow silicone ring 7 is fitted with the top end of the lower mounting plate 2.
[0030] As a further implementation of this solution, the inner side of the second air connection pipe 5 is connected to the inside of the mounting plate assembly 3, the bottom end of the flange 31 is fitted with the top end of the hollow silicone ring 7, the opening shape of the notch 32 is a rectangular body, and the number of the notches 32 is not less than four, so that the fixing assembly 6 can move inside the notch 32, and the mounting plate assembly 3, the lower mounting plate 2 and the insulating plate 4 are sealed;
[0031] As a further implementation of the present invention, the notch 32 is connected to the column rotation groove 33, the column rotation groove 33 is in the shape of a cylinder, the column rotation groove 33 is provided in a plurality of groups, each group of the column rotation grooves 33 has two columns, and the column rotation grooves 33 are symmetrically arranged at both ends of the notch 32, so as to limit the position of the folding plate 61 when it rotates;
[0032] As a further implementation of the present invention, the double rectangular groove 34 is shaped as a rectangular body with two ends, the double rectangular groove 34 is connected with the notch 32, the number of the double rectangular grooves 34 corresponds to the number of the column rotation grooves 33, the rectangular plate 36 is shaped as a rectangular body, the two ends of the rectangular plate 36 are fixedly connected with the limiting slide bar, the rectangular plate 36 is slidably connected with the inner side of the double rectangular groove 34 through the limiting slide bar, the shape of the slope block 37 is a triangular body, the slope block 37 protrudes from the inside of the notch 32, one side of the slope block 37 is in contact with one side of the folding plate 61, which plays a role in limiting the movement of the rectangular plate 36, and under the elastic force of the reset spring 35, the rectangular plate 36 is convenient for limiting the folding plate 61, thereby fixing the folding plate 61 and facilitating the rotation of the folding plate 61;
[0033] As a further implementation of this solution, the shaft rod 62 is cylindrical in shape, and the number of shaft rods 62 is several groups. The shaft rods 62 are symmetrically fixed at both ends of the folding plate 61. The folding plate 61 is in an "L" shape. One side of the arc-shaped rubber sheet 63 is in contact with the outer side of the insulating plate 4, which plays a role in buffering the movement of the insulating plate 4.
[0034] As a further implementation scheme of the present scheme, the insulating plate 4 is shaped as a hollow cylinder, and there are two hollow silicone rings 7. The inner side of the hollow silicone ring 7 is hollow, which improves the sealing stability between the insulating plate 4, the mounting plate assembly 3 and the lower mounting plate 2, and plays a role in buffering the lower mounting plate 2 and the mounting plate assembly 3 when they move.
[0035] Working process: when the device is assembled during use, the insulating plate 4 is placed on the upper part of the lower mounting plate 2, so that the hollow silicone ring 7 fits with the top of the lower mounting plate 2, and then the mounting plate assembly 3 is placed on the upper part of the insulating plate 4, so that the hollow silicone ring 7 fits with the bottom of the mounting plate assembly 3, and the folding plate 61 is rotated. The folding plate 61 is rotatably connected with the column rotation groove 33 through the shaft rod 62, which plays a role in limiting the rotation of the folding plate 61. When the folding plate 61 contacts the slope block 37, the folding plate 61 and the arc-shaped rubber sheet 63 squeeze the slope block 37. Under the action of pressure, the slope block 37 drives the rectangular plate 36 to move, and the rectangular plate 36 slides on the inner side of the double rectangular groove 34, which plays a role in limiting the movement of the rectangular plate 36. The movement of the rectangular plate 36 squeezes the reset spring 35. When the folding plate 6 After the sloping block 37 is away from the sloping block 37, the rectangular plate 36 and the sloping block 37 move under the elastic force of the return spring 35. At this time, one side of the sloping block 37 is in contact with one side of the folding plate 61, and at the same time, one side of the arc-shaped rubber sheet 63 is in contact with the outer side of the insulating plate 4. The hollow silicone ring 7 starts to seal the lower mounting plate 2, the mounting plate assembly 3 and the insulating plate 4. At the same time, the inside of the hollow silicone ring 7 is an air structure, which is convenient for the hollow silicone ring 7 to deform when the lower mounting plate 2 and the mounting plate assembly 3 squeeze the hollow silicone ring 7, thereby improving the sealing stability between the insulating plate 4, the mounting plate assembly 3 and the lower mounting plate 2. At the same time, the top of the rubber ball 65 is in contact with the bottom end of the lower mounting plate 2, and under the elastic force of the spring telescopic rod 64, it plays a role in buffering the lower mounting plate 2 and the mounting plate assembly 3 when they move.
[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An oil-immersed power transformer gas connection pipe, comprising a first gas connection pipe (1) and a lower mounting plate (2), characterized in that: The top of the first air connection pipe (1) is fixedly connected to a lower mounting plate (2), a mounting plate assembly (3) is mounted on the outer side of the lower mounting plate (2), an insulating plate (4) is mounted inside the mounting plate assembly (3), a second air connection pipe (5) is fixedly connected to the top of the mounting plate assembly (3), a fixing assembly (6) is rotatably connected to the inner side of the mounting plate assembly (3), the upper and lower ends of the lower mounting plate (2) are fixedly connected to hollow silicone rings (7), the mounting plate assembly (3) comprises a flange (31), a notch (32) is provided on the inner side of the flange (31), a column rotation groove (33) is provided on the inner side of the flange (31), a double rectangular groove (34) is provided on the inner side of the flange (31), and a return spring (35) is fixedly connected to one side of the double rectangular groove (34) provided on the inner side of the flange (31). The return spring (35) is fixedly connected to a rectangular plate (36) on one side, and a slope block (37) is fixedly connected to one side of the rectangular plate (36). The fixed assembly (6) comprises a folding plate (61). The outer side of the folding plate (61) is fixedly connected to a shaft rod (62). The one side of the folding plate (61) is fixedly connected to an arc-shaped rubber sheet (63). One side of the lower end of the folding plate (61) is fixedly connected to a spring telescopic rod (64). The top of the spring telescopic rod (64) is fixedly connected to a rubber ball (65). The outer side of the shaft rod (62) is rotatably connected to the inner side of the column rotation groove (33). The top of the rubber ball (65) is in contact with the bottom of the lower mounting plate (2). The top of the hollow silicone ring (7) is in contact with the bottom of the mounting plate assembly (3). The bottom of the hollow silicone ring (7) is in contact with the top of the lower mounting plate (2).
2. The oil-immersed power transformer gas connection pipe according to claim 1, characterized in that: The inner side of the second air connection pipe (5) is connected to the interior of the mounting plate assembly (3), the bottom end of the flange (31) is fitted with the top end of the hollow silicone ring (7), the opening shape of the notch (32) is a rectangular body, and the number of the notches (32) is not less than four.
3. The oil-immersed power transformer gas connection pipe according to claim 1, characterized in that: The notch (32) is communicated with the column rotation groove (33), the column rotation groove (33) is in the shape of a cylinder, the column rotation grooves (33) are provided in a plurality of groups, each group of the column rotation grooves (33) has two column rotation grooves, and the column rotation grooves (33) are symmetrically arranged at both ends of the notch (32).
4. The oil-immersed power transformer gas connection pipe according to claim 1, characterized in that: The double rectangular grooves (34) are shaped as rectangular bodies with two ends opened, the double rectangular grooves (34) are connected to the notch (32), and the number of the double rectangular grooves (34) corresponds one to one to the number of the column rotation grooves (33).
5. The oil-immersed power transformer gas connection pipe according to claim 1, characterized in that: The rectangular plate (36) is in the shape of a rectangular body, and both ends of the rectangular plate (36) are fixedly connected to limit slide bars, and the rectangular plate (36) is slidably connected to the inner side of the double rectangular groove (34) via the limit slide bars. The slope block (37) is in the shape of a triangle, and the slope block (37) protrudes from the inside of the notch (32), and one side of the slope block (37) is in contact with one side of the folded plate (61).
6. The oil-immersed power transformer gas connection pipe according to claim 1, characterized in that: The shaft rod (62) is cylindrical in shape, and the shaft rods (62) are provided in a plurality of groups. The shaft rods (62) are symmetrically fixed at two ends of the folding plate (61), and the folding plate (61) is in an "L" shape. One side of the arc-shaped rubber sheet (63) is in contact with the outer side of the insulating plate (4).
7. The oil-immersed power transformer gas connection pipe according to claim 1, characterized in that: The insulating plate (4) is in the shape of a hollow cylinder, the number of the hollow silicone rings (7) is two, and the inner side of the hollow silicone ring (7) is hollow.