CN116092786A - 10kV oil immersed low-voltage axial double-split rectifier transformer - Google Patents

10kV oil immersed low-voltage axial double-split rectifier transformer Download PDF

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Publication number
CN116092786A
CN116092786A CN202210590322.0A CN202210590322A CN116092786A CN 116092786 A CN116092786 A CN 116092786A CN 202210590322 A CN202210590322 A CN 202210590322A CN 116092786 A CN116092786 A CN 116092786A
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China
Prior art keywords
fixed
shaft
hole
bearing
oil
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CN202210590322.0A
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CN116092786B (en
Inventor
刘小利
臧登福
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Nanjing Daqo Transformer Systems Co ltd
Daqo Group Co Ltd
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Nanjing Daqo Transformer Systems Co ltd
Daqo Group Co Ltd
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Priority to CN202210590322.0A priority Critical patent/CN116092786B/en
Publication of CN116092786A publication Critical patent/CN116092786A/en
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Publication of CN116092786B publication Critical patent/CN116092786B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to the technical field of electric power facility accessory devices, in particular to a 10kV oil immersed low-voltage axial double-split rectifier transformer, which has a simple structure, and a box cover is convenient to assemble and disassemble and more convenient to use; comprises an oil tank and a tank cover; further comprises: the lifting ring is fixedly provided with a plurality of bolts, and the bolts penetrate through the oil tank and the tank cover and further comprise a lifting mechanism for driving the lifting ring to act; the box cover is provided with a parallelogram linkage mechanism for driving the box cover to act; the device also comprises a connecting mechanism for driving the lifting mechanism and the parallelogram link mechanism to act successively.

Description

10kV oil immersed low-voltage axial double-split rectifier transformer
Technical Field
The invention relates to the technical field of electric power facility accessory devices, in particular to a 10kV oil immersed low-voltage axial double-split rectifier transformer.
Background
The oil immersed low-voltage axial double-split rectifier transformer is a novel high-performance transformer with more reasonable structure and better performance, uses oil as a main insulating means of the transformer, and depends on the oil as a cooling medium, such as oil immersed self-cooling, oil immersed air cooling, oil immersed water cooling, forced oil circulation and the like. The main components of the transformer are iron cores, windings, oil tanks, oil conservators, respirators, pressure relief valves, radiators, insulating bushings, tap changers, gas relays, thermometers, oil purifiers, oil level gauges, and the like.
In the prior art, the oil immersed low-voltage axial double-split rectifier transformer can fix the box cover by adopting dozens of bolts and dozens of nuts so as to keep good tightness, and the box cover is inconvenient to disassemble and assemble in the mode, so that improvement is needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides the 10kV oil immersed low-voltage axial double-split rectifier transformer which is simple in structure, and the box cover is convenient to assemble and disassemble and more convenient to use.
The invention relates to a 10kV oil immersed low-voltage axial double-split rectifier transformer which comprises an oil tank and a tank cover; further comprises:
the lifting ring is fixedly provided with a plurality of bolts, and the bolts penetrate through the oil tank and the tank cover and further comprise a lifting mechanism for driving the lifting ring to act;
the box cover is provided with a parallelogram linkage mechanism for driving the box cover to act;
the device also comprises a connecting mechanism for driving the lifting mechanism and the parallelogram link mechanism to act successively.
Further, the lifting mechanism comprises a fixed plate fixed on the oil tank, the fixed plate is provided with a first through hole and a second through hole, the first through hole is vertical, and the second through hole comprises a vertical section and a circular arc section;
one end of the lifting ring is connected with a Z-shaped connecting rod, and the connecting rod is fixedly provided with a first movable shaft and a second movable shaft;
the lifting mechanism further comprises a supporting shaft rotatably arranged on the fixed plate, a rotating arm is fixed on the supporting shaft, a strip hole is formed in the rotating arm, and the moving shaft II penetrates through the strip hole.
Further, the parallelogram link mechanism comprises a platform fixed on the oil tank, four brackets are fixed on the platform, a first rotating shaft is rotatably arranged on two brackets, a second rotating shaft is rotatably arranged on the other two brackets, swing arms I are fixed on two sides of the first rotating shaft, and swing arms II are rotatably arranged on two sides of the second rotating shaft;
the other end of the first swing arm is rotationally connected with the box cover, and the other end of the second swing arm is rotationally connected with the box cover.
Further, the connecting mechanism comprises a main shaft rotatably arranged on the oil tank, a first gear is fixed on the main shaft, a first rack and a second rack are respectively meshed with two sides of the first gear, a first sliding block is fixed on the first rack, a second sliding block is fixed on the second rack, and a track in sliding fit with the first sliding block and the second sliding block is fixed on the oil tank;
the support shaft is fixedly provided with a special-shaped rod, the special-shaped rod is provided with an L-shaped hole I, the L-shaped hole I comprises a part I and a part II, and a driving shaft I penetrating through the L-shaped hole I is fixedly arranged on the rack I;
an extension rod is fixed on the first rotating shaft, a second driving shaft is fixed at the other end of the extension rod, a power plate is fixed on the second rack, an L-shaped hole II is formed in the power plate, and the second driving shaft penetrates through the L-shaped hole II.
Further, the connecting mechanism further comprises a second gear fixed on the main shaft, an oil cylinder fixed on the oil tank, and a third rack meshed with the second gear is fixed at the output end of the oil cylinder.
Further, a first bearing is fixed on the first movable shaft, the first through hole of the first bearing is in contact with the inner wall of the first through hole, a second bearing is fixed on the second movable shaft, and the second bearing is in contact with the inner wall of the second through hole.
Further, a bearing III is fixed on the second movable shaft and is in contact with the inner wall of the strip hole.
Further, a bearing IV is fixed on the first driving shaft and is contacted with the inner wall of the first L-shaped hole, a bearing V is fixed on the second driving shaft and is contacted with the inner wall of the second L-shaped hole.
Compared with the prior art, the invention has the beneficial effects that: through this device, can control many bolts simultaneously and go up and down then overturn, need not the operator one and pass oil tank and case lid, alleviate operator's amount of labour, can also control the case lid simultaneously and open and close, more convenient maintenance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a right front side top perspective view of FIG. 1;
FIG. 3 is a top left front perspective exploded view of FIG. 1;
the reference numerals in the drawings: 1. an oil tank; 2. a case cover; 3. a lifting ring; 4. a bolt; 5. a fixing plate; 6. a first through hole; 7. a second through hole; 8. a connecting rod; 9. moving the first shaft; 10. a second movable shaft; 11. a support shaft; 12. a rotating arm; 13. a bracket; 14. a first rotating shaft; 15. a second rotating shaft; 16. a swing arm I; 17. swing arm II; 18. a main shaft; 19. a first gear; 20. a first rack; 21. a second rack; 22. a profiled bar; 23. part one; 24. a second part; 25. an extension rod; 26. a second driving shaft; 27. a power plate; 28. a second gear; 29. an oil cylinder; 30. a third rack; 31. a first bearing; 32. and driving a shaft I.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 3, the 10kV oil immersed low-voltage axial double-split rectifier transformer comprises an oil tank 1 and a tank cover 2; further comprises:
the lifting ring 3 is fixedly provided with a plurality of bolts 4, the bolts 4 penetrate through the oil tank 1 and the tank cover 2, and the lifting ring 3 further comprises a lifting mechanism for driving the lifting ring 3 to act;
the box cover 2 is provided with a parallelogram linkage mechanism for driving the box cover to act;
the device also comprises a connecting mechanism for driving the lifting mechanism and the parallelogram link mechanism to act in sequence;
in this embodiment, when the bolts 4 and the case cover 2 need to be disassembled, the nuts on the bolts 4 are manually removed first, then the connecting mechanism is operated to vertically raise the lifting ring 3 first, then the lifting ring is turned over, and then the parallelogram linkage mechanism is operated again to open the case cover 2.
As a preferable scheme of the embodiment, the lifting mechanism comprises a fixed plate 5 fixed on the oil tank 1, the fixed plate 5 is provided with a first through hole 6 and a second through hole 7, the first through hole 6 is vertical, the second through hole 7 comprises a vertical section and a circular arc section, and the circle center of the circular arc section is concentric with the circle center of the top end of the first through hole 6;
one end of the lifting ring 3 is connected with a Z-shaped connecting rod 8, a first movable shaft 9 and a second movable shaft 10 are fixed on the connecting rod 8, the first movable shaft 9 passes through the first through hole 6, and the second movable shaft 10 passes through the second through hole 7;
the lifting mechanism further comprises a supporting shaft 11 rotatably arranged on the fixed plate 5, a rotating arm 12 is fixed on the supporting shaft 11, a strip hole is formed in the rotating arm 12, and a moving shaft II 10 penetrates through the strip hole;
in this embodiment, the supporting shaft 11 and the rotating arm 12 are rotated counterclockwise, since the moving shaft two 10 passes through the elongated hole on the rotating arm 12, the moving shaft one 9 is located in the through hole one 6, the moving shaft two 10 is located on the vertical section of the through hole two 7, so that the rotating arm 12 moves the moving shaft one 9, the connecting rod 8, the lifting ring 3 and the bolt 4 vertically upwards, the bolt 4 is separated from the oil tank 1 and the tank cover 2, then the moving shaft two 10 moves onto the circular arc section of the through hole two 7, and the rotating arm 12 which continues to rotate moves the moving shaft two 10 along the circular arc section, so that the connecting rod 8, the lifting ring 3 and the bolt 4 all rotate without obstructing the upward movement of the tank cover 2.
As a preferable scheme of the embodiment, the parallelogram linkage mechanism comprises a platform fixed on the oil tank 1, four brackets 13 are fixed on the platform, a first rotating shaft 14 is rotatably installed on two brackets 13, a second rotating shaft 15 is rotatably installed on the other two brackets 13, a first swing arm 16 is fixed on two sides of the first rotating shaft 14, and a second swing arm 17 is rotatably installed on two sides of the second rotating shaft 15;
the other end of the swing arm I16 is rotationally connected with the box cover 2, and the other end of the swing arm II 17 is rotationally connected with the box cover 2;
in this embodiment, the first swing arm 16 and the second swing arm 17 form a parallelogram mechanism, and when the first rotating shaft 14 rotates clockwise, the first swing arm 16 and the second swing arm 17 drive the case cover 2 to move rightward and simultaneously move upward, so as to separate from the oil tank 1, and open the oil tank 1.
As a preferable scheme of the embodiment, the connecting mechanism comprises a main shaft 18 rotatably mounted on the oil tank 1, a first gear 19 is fixed on the main shaft 18, two sides of the first gear 19 are respectively meshed with a first rack 20 and a second rack 21, a first sliding block is fixed on the first rack 20, a second sliding block is fixed on the second rack 21, and a track in sliding fit with the first sliding block and the second sliding block is fixed on the oil tank 1;
the support shaft 11 is fixedly provided with a special-shaped rod 22, the special-shaped rod 22 is provided with an L-shaped hole I, the L-shaped hole I comprises a part I23 and a part II 24, and the rack I20 is fixedly provided with a driving shaft I32 penetrating through the L-shaped hole I;
an extension rod 25 is fixed on the first rotating shaft 14, a second driving shaft 26 is fixed at the other end of the extension rod 25, a power plate 27 is fixed on the second rack 21, an L-shaped hole II is formed in the power plate 27, and the second driving shaft 26 penetrates through the L-shaped hole II;
in this embodiment, the main shaft 18 and the first gear 19 are operated to rotate, the first gear 19 rotates to enable the first rack 20 and the second rack 21 to move reversely, when the first rack 20 and the first drive shaft 32 move, the first drive shaft 32 passes through the first part 23 of the L-shaped hole, and an included angle exists between the first part 23 and the moving track of the first drive shaft 32, so that the special-shaped rod 22, the support shaft 11 and the rotating arm 12 rotate anticlockwise, the bolt 4 and the like rise first, and in the process, the second drive shaft 26 passes through the horizontal part of the L-shaped hole on the power plate 27 first, and the parallelogram linkage mechanism does not act, so that the bolt 4 rises first and rotates;
after the bolt 4 is turned to a certain angle, the second part 24 is just parallel to the moving track of the first driving shaft 32, the first driving shaft 32 which continues to move does not enable the bolt 4 to act, and meanwhile, the second driving shaft 26 passes through the vertical part of the L-shaped hole II on the power plate 27, and the extension rod 25, the second driving shaft 26, the first rotating shaft 14 and the like are rotated under the pushing of the power plate 27, so that the box cover 2 is opened.
As a preferable scheme of the embodiment, the connecting mechanism further comprises a second gear 28 fixed on the main shaft 18, an oil cylinder 29 fixed on the oil tank 1, and a third rack 30 meshed with the second gear 28 is fixed at the output end of the oil cylinder 29;
in this embodiment, the third rack 30 is controlled by the control cylinder 29, so as to drive the second gear 28 and the main shaft 18 to rotate, thereby driving the connecting mechanism to operate.
As the preferable scheme of the embodiment, a first bearing 31 is fixed on the first movable shaft 9, the inner wall of a first through hole 6 of the first bearing 31 is contacted, a second bearing is fixed on the second movable shaft 10, and the second bearing is contacted with the inner wall of a second through hole 7;
in the present embodiment, wear on the movable shaft one 9 and the movable shaft two 10 is reduced by providing the first bearing 31 and the second bearing.
As a preferable scheme of the embodiment, a bearing three is fixed on the second movable shaft 10, and the bearing three is in contact with the inner wall of the strip hole;
in the present embodiment, the wear on the movable shaft two 10 is reduced by the bearing three provided.
As a preferable scheme of the above embodiment, a bearing four is fixed on the first driving shaft 32, the bearing four contacts with the inner wall of the first L-shaped hole, a bearing five is fixed on the second driving shaft 26, and the bearing five contacts with the inner wall of the second L-shaped hole;
in the present embodiment, wear on the first drive shaft 32 and the second drive shaft 26 is reduced by providing the fourth bearing and the fifth bearing.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (8)

1. A10 kV oil immersed low-voltage axial double-split rectifier transformer comprises an oil tank (1) and a tank cover (2); characterized by further comprising:
the lifting device comprises a lifting ring (3), wherein a plurality of bolts (4) are fixed on the lifting ring (3), the bolts (4) penetrate through an oil tank (1) and a tank cover (2), and the lifting device further comprises a lifting mechanism for driving the lifting ring (3) to act;
the box cover also comprises a parallelogram link mechanism for driving the box cover (2) to act;
the device also comprises a connecting mechanism for driving the lifting mechanism and the parallelogram link mechanism to act successively.
2. The 10kV oil immersed low-voltage axial double-split rectifier transformer according to claim 1, wherein the lifting mechanism comprises a fixed plate (5) fixed on an oil tank (1), a first through hole (6) and a second through hole (7) are formed in the fixed plate (5), the first through hole (6) is vertical, and the second through hole (7) comprises a vertical section and a circular arc section;
one end of the lifting ring (3) is connected with a Z-shaped connecting rod (8), a first movable shaft (9) and a second movable shaft (10) are fixed on the connecting rod (8), the first movable shaft (9) penetrates through the first through hole (6), and the second movable shaft (10) penetrates through the second through hole (7);
the lifting mechanism further comprises a supporting shaft (11) rotatably arranged on the fixed plate (5), a rotating arm (12) is fixed on the supporting shaft (11), a strip hole is formed in the rotating arm (12), and the moving shaft II (10) penetrates through the strip hole.
3. The 10kV oil immersed low-voltage axial double-split rectifier transformer according to claim 2, wherein the parallelogram linkage mechanism comprises a platform fixed on an oil tank (1), four brackets (13) are fixed on the platform, a first rotating shaft (14) is rotatably installed on two brackets (13), a second rotating shaft (15) is rotatably installed on the other two brackets (13), swing arms (16) are fixed on two sides of the first rotating shaft (14), and swing arms (17) are rotatably installed on two sides of the second rotating shaft (15);
the other end of the swing arm I (16) is rotationally connected with the box cover (2), and the other end of the swing arm II (17) is rotationally connected with the box cover (2).
4. A 10kV oil immersed low-voltage axial double split rectifier transformer according to claim 3, characterized in that the connection mechanism comprises a main shaft (18) rotatably mounted on the oil tank (1), a first gear (19) is fixed on the main shaft (18), two sides of the first gear (19) are respectively meshed with a first rack (20) and a second rack (21), a first slide block is fixed on the first rack (20), a second slide block is fixed on the second rack (21), and a track in sliding fit with the first slide block and the second slide block is fixed on the oil tank (1);
a special-shaped rod (22) is fixed on the support shaft (11), an L-shaped hole I is formed in the special-shaped rod (22), the L-shaped hole I comprises a part I (23) and a part II (24), and a driving shaft I (32) penetrating through the L-shaped hole I is fixed on the rack I (20);
an extension rod (25) is fixed on the first rotating shaft (14), a second driving shaft (26) is fixed at the other end of the extension rod (25), a power plate (27) is fixed on the second rack (21), an L-shaped hole II is formed in the power plate (27), and the second driving shaft (26) penetrates through the L-shaped hole II.
5. A 10kV oil immersed low-voltage axial double split rectifier transformer according to claim 4, characterized in that the connection mechanism further comprises a gear two (28) fixed on the main shaft (18), an oil cylinder (29) fixed on the oil tank (1), and a rack three (30) meshed with the gear two (28) is fixed at the output end of the oil cylinder (29).
6. The 10kV oil immersed low-voltage axial double-split rectifier transformer according to claim 5, wherein a first bearing (31) is fixed on the first movable shaft (9), the inner wall of a first through hole (6) of the first bearing (31) is contacted, a second bearing is fixed on the second movable shaft (10), and the second bearing is contacted with the inner wall of a second through hole (7).
7. A 10kV oil immersed low voltage axial double split rectifier transformer according to claim 6, characterized in that a bearing three is fixed on the moving shaft two (10), and the bearing three is in contact with the inner wall of the long-bar hole.
8. The 10kV oil immersed low-voltage axial double-split rectifier transformer according to claim 7, wherein a bearing four is fixed on the first driving shaft (32), the bearing four is in contact with the inner wall of the first L-shaped hole, and a bearing five is fixed on the second driving shaft (26), and the bearing five is in contact with the inner wall of the second L-shaped hole.
CN202210590322.0A 2022-05-26 2022-05-26 10kV oil immersed low-voltage axial double-split rectifier transformer Active CN116092786B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210590322.0A CN116092786B (en) 2022-05-26 2022-05-26 10kV oil immersed low-voltage axial double-split rectifier transformer

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Application Number Priority Date Filing Date Title
CN202210590322.0A CN116092786B (en) 2022-05-26 2022-05-26 10kV oil immersed low-voltage axial double-split rectifier transformer

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CN116092786A true CN116092786A (en) 2023-05-09
CN116092786B CN116092786B (en) 2023-10-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003151842A (en) * 2001-11-09 2003-05-23 Sato Tekko Co Ltd Deassembling method and deassembling device for core coil structure of transformer
CN105355374A (en) * 2015-11-19 2016-02-24 铜陵瑞博电子科技有限公司 Oil-immersed transformer fuel tank
CN205354821U (en) * 2016-01-20 2016-06-29 江苏铭安电气有限公司 Single -phase oil -immersed transformer
CN213752231U (en) * 2020-12-29 2021-07-20 河南锦钰电气有限公司 Oil-immersed transformer with quickly-detached box cover
CN213905067U (en) * 2020-12-24 2021-08-06 南京大全变压器有限公司 Adjustable pad assembly of ware body of oily formula high overload power transformer
CN113606152A (en) * 2021-08-05 2021-11-05 浙江登丰泵业有限公司 Vertical intelligent permanent-magnet multistage centrifugal pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003151842A (en) * 2001-11-09 2003-05-23 Sato Tekko Co Ltd Deassembling method and deassembling device for core coil structure of transformer
CN105355374A (en) * 2015-11-19 2016-02-24 铜陵瑞博电子科技有限公司 Oil-immersed transformer fuel tank
CN205354821U (en) * 2016-01-20 2016-06-29 江苏铭安电气有限公司 Single -phase oil -immersed transformer
CN213905067U (en) * 2020-12-24 2021-08-06 南京大全变压器有限公司 Adjustable pad assembly of ware body of oily formula high overload power transformer
CN213752231U (en) * 2020-12-29 2021-07-20 河南锦钰电气有限公司 Oil-immersed transformer with quickly-detached box cover
CN113606152A (en) * 2021-08-05 2021-11-05 浙江登丰泵业有限公司 Vertical intelligent permanent-magnet multistage centrifugal pump

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