CN-122025347-A - Large-scale oil-immersed transformer convenient to overhaul

CN122025347ACN 122025347 ACN122025347 ACN 122025347ACN-122025347-A

Abstract

The invention relates to the technical field of transformers and discloses a large oil immersed transformer convenient to overhaul, which comprises a transformer shell, wherein an electric control cabinet is fixedly connected to the right side surface of the transformer shell, radiator interfaces are fixedly connected to the front side and the rear side of the transformer shell, a movable top cover is clamped on the inner surface of the top of the transformer shell, sleeve interfaces are arranged on the inner side of the movable top cover, lifting machines are fixedly connected to the front side and the rear side of the inner wall of the transformer shell, and mounting bottom plates are fixedly connected to the free ends of the lifting machines.

Inventors

MA XINGHUA
CHEN XINGRU
ZHENG JINLONG
YANG JIANHUA

Assignees

江苏天威变压器有限公司

Dates

Publication Date: 20260512
Application Date: 20260126

Claims (10)

1. The utility model provides a large-scale oil-immersed transformer convenient to overhaul which characterized in that includes: The transformer comprises a transformer shell (1), wherein an electric control cabinet (2) is fixedly connected to the right side surface of the transformer shell (1), radiator interfaces (3) are fixedly connected to the front side and the rear side of the transformer shell (1), a movable top cover (4) is clamped on the inner surface of the top of the transformer shell (1), a sleeve interface (5) is arranged on the inner side of the movable top cover (4), lifting machines (6) are fixedly connected to the front side and the rear side of the inner wall of the transformer shell (1), and an installation bottom plate (7) is fixedly connected to the free end of each lifting machine (6); the switching device (8) is arranged at the left side of the transformer shell (1), and the switching device (8) is used for rapidly overhauling the internal structure of the transformer shell (1); The flaw detection device (9) is arranged inside the transformer shell (1), and the flaw detection device (9) is used for detecting surface damage of the internal structure of the transformer shell (1).
2. The large oil immersed transformer convenient to overhaul as claimed in claim 1, wherein the transformer housing (1) comprises: The limiting pressing plate (10), the limiting pressing plate (10) is connected to the left inner surface of the transformer shell (1) in a sliding mode, and a convex plate (11) is fixedly connected to the upper surface of the limiting pressing plate (10); The locating plate (12), locating plate (12) fixed connection is in limit clamp plate (10) left end front and back both sides.
3. The large oil immersed transformer convenient to overhaul as claimed in claim 2, wherein the transformer housing (1) further comprises: The clamping grooves (13) are formed in the front side and the rear side of the limiting pressing plate (10); The torsion shaft (14), the torsion shaft (14) is hinged to the inner surfaces of the front side and the rear side of the transformer shell (1), and a connecting rod (15) is hinged to the inner surface of the torsion shaft (14); The clamping plate (16), clamping plate (16) fixed connection is close to one end of spacing clamp plate (10) at connecting rod (15), clamping plate (16) are used for locking spacing clamp plate (10).
4. The large oil immersed transformer convenient to overhaul as claimed in claim 3, wherein the lower surface of the mounting bottom plate (7) is abutted to the bottom surface of the inner wall of the transformer housing (1), an elastic telescopic rod is arranged between the convex plate (11) and the left side surface of the inner wall of the transformer housing (1), the right side surface of the positioning plate (12) is abutted to the left side surface of the transformer housing (1), a torsion spring is arranged at the hinging position of the torsion shaft (14) and the transformer housing (1), a torsion spring is arranged at the hinging position of the connecting rod (15) and the torsion shaft (14), and the clamping plate (16) is clamped with the inner surface of the clamping groove (13).
5. The large oil-immersed transformer for easy maintenance according to claim 4, wherein the switching device (8) comprises: The switch board (81) is hinged to the left inner surface of the transformer shell (1), and the left side surface of the switch board (81) is fixedly connected with a handle (82); the lock plate (83), the said lock plate (83) is fixedly connected to right side of bottom of the switch board (81); and the J-shaped lock pin (84) is fixedly connected to the upper surface of the mounting bottom plate (7).
6. The large oil-immersed transformer convenient to overhaul as claimed in claim 5, wherein the switching device (8) further comprises: The movable bent rod (85), the movable bent rod (85) is fixedly connected to the left side surface of the bottom of the switch plate (81), and the inner surface of the bottom end of the movable bent rod (85) is fixedly connected with a limit sliding rod (86); the transverse connecting block (87), the transverse connecting block (87) is fixedly connected to the left side surface of the bottom of the transformer shell (1), and the left end of the transformer shell (1) is fixedly connected with a chute bent rod (89); the vertical connecting block (88), wherein the vertical connecting block (88) is fixedly connected to the lower surface of the transformer shell (1).
7. The large oil immersed transformer convenient to overhaul as claimed in claim 6, wherein the J-shaped lock pin (84) is clamped with the inner surface of the lock plate (83), the bottom end of the vertical connecting block (88) is fixedly connected with the right bottom end of the sliding chute bent rod (89), the limiting slide rod (86) is slidably connected with the inner surface of the sliding chute bent rod (89), and the side surface of the sliding chute bent rod (89) is abutted with the side surface of the movable bent rod (85).
8. The large-scale oil-immersed transformer convenient to overhaul as claimed in claim 7, wherein the flaw detection device (9) comprises: the electric guide rail (91), the electric guide rail (91) is fixedly connected to the rear side surface of the inner wall of the transformer shell (1), and the free end of the electric guide rail (91) is fixedly connected with a movable plate (92); And a built-in flaw detector (93), wherein the built-in flaw detector (93) is arranged above the movable plate (92).
9. The large oil immersed transformer convenient to overhaul as claimed in claim 8, wherein the flaw detection device (9) further comprises: the clamping rail (94), the clamping rail (94) is fixedly connected to the upper surface of the movable plate (92), and an I-shaped clamping block (95) is clamped on the inner surface of the clamping rail (94); the protection underframe (96), the protection underframe (96) is fixedly connected to the rear side surface of the inner wall of the transformer shell (1), and the upper surface of the protection underframe (96) is fixedly connected with a sealing strip (97); The movable top frame (98), movable top frame (98) sliding connection is in transformer shell (1) inner wall trailing flank, the both sides fixedly connected with curb plate (99) of movable top frame (98).
10. The large-scale oil immersed transformer convenient to overhaul as claimed in claim 9, wherein the upper surface of the I-shaped clamping block (95) is fixedly connected with the built-in flaw detector (93), the lower surface of the I-shaped clamping block (95) is abutted against the upper surface of the movable plate (92), the outer surface of the movable top frame (98) is abutted against the inner surface of the protective bottom frame (96), and the outer surface of the movable top frame (98) is abutted against the inner surface of the sealing strip (97).

Description

Large-scale oil-immersed transformer convenient to overhaul Technical Field The invention relates to the technical field of transformers, in particular to a large oil immersed transformer convenient to overhaul. Background When the traditional large-scale oil immersed transformer is overhauled, a large amount of oil is required to be discharged, the internal space is narrow, the operation is long in time consumption, the insulating and damp risk exists, the hanging inspection or in-house inspection process is complex, a plurality of components are required to be disassembled, the maintenance cost is high, and the operation reliability of a power grid is more likely to be affected. The patent with the bulletin number of CN220138058U discloses a transformer convenient to overhaul, the transformer comprises a transformer cabinet and a base, two sliding rails are fixedly connected in the base, two pulleys are connected in a sliding manner, eight clamping blocks are respectively sleeved at the circle centers of the two pulleys in a movable manner, the space at two sides of the transformer cabinet can be expanded through the arrangement of two side cabinet doors, the space at the front side and the back side of the transformer cabinet can be expanded through the arrangement of two main cabinet doors at the front side and the back side, the whole transformer cabinet is maximally expanded, the transformer cabinet is very convenient to overhaul, rainwater and dust can be shielded through the arrangement of a top plate, the rainwater and dust can be shielded to a certain extent through the arrangement of a heat dissipation opening, the problem that the device has a damping function although the cabinet door has only one, the overhaul space is small, and is not very convenient, and the heat dissipation hole of the device is arranged at the top, dust is easy to accumulate in the practical application process and can not block the problem of the rainwater. Disclosure of Invention The invention aims to solve the technical problem of providing a large-sized oil immersed transformer convenient to overhaul aiming at the defects in the prior art. In order to solve the technical problems, the technical scheme adopted by the invention is that the large oil immersed transformer convenient to overhaul comprises: The transformer comprises a transformer shell, wherein an electric control cabinet is fixedly connected to the right side surface of the transformer shell, radiator interfaces are fixedly connected to the front side and the rear side of the transformer shell, a movable top cover is clamped on the inner surface of the top of the transformer shell, a sleeve interface is arranged on the inner side of the movable top cover, lifting machines are fixedly connected to the front side and the rear side of the inner wall of the transformer shell, and an installation bottom plate is fixedly connected to the free end of each lifting machine; The switch device is arranged on the left side of the transformer shell and is used for rapidly overhauling the internal structure of the transformer shell; The flaw detection device is arranged inside the transformer shell and is used for detecting surface damage of the internal structure of the transformer shell. As a further technical solution, the transformer housing includes: The limiting pressing plate is connected to the inner surface of the left side of the transformer shell in a sliding manner, and the upper surface of the limiting pressing plate is fixedly connected with a convex plate; The locating plate is fixedly connected to the front side and the rear side of the left end of the limiting pressing plate. As a further technical solution, the transformer housing further includes: The clamping grooves are formed in the front side and the rear side of the limiting pressing plate; the twisting shaft is hinged to the inner surfaces of the front side and the rear side of the transformer shell, and the inner surface of the twisting shaft is hinged with a connecting rod; the clamping plate is fixedly connected to one end of the connecting rod, which is close to the limiting pressing plate, and is used for locking the limiting pressing plate. As a further technical scheme, mounting plate's lower surface and transformer housing's inner wall bottom surface butt, be provided with the elasticity telescopic link between flange and the transformer housing's inner wall left surface, the right flank of locating plate and transformer housing left surface butt, torsion axle and transformer housing hinge department is provided with the torsional spring, connecting rod and torsion axle hinge department are provided with the torsional spring, cardboard and draw-in groove internal surface joint. As a further technical solution, the switching device includes: The switch board is hinged to the inner surface of the left side of the transformer shell, and the left side surface of the switch board is fixedly c