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CN-122025381-A - Direct current conversion flow type transformer

CN122025381ACN 122025381 ACN122025381 ACN 122025381ACN-122025381-A

Abstract

The invention relates to the technical field of direct current converter transformers, and discloses a direct current converter transformer, which comprises a base, wherein a transformer body is fixed at the top of the base, a first outgoing line sleeve and a second outgoing line sleeve are respectively fixed at two sides of one end of the transformer body, a first flange is fixed at one ends of the first outgoing line sleeve and the second outgoing line sleeve, which are far away from the transformer body, a limiting ring is fixed on the surface of the first flange, a sealing plate is fixed on the surface of the first outgoing line sleeve, which is close to one side of the first flange.

Inventors

  • LU BAOLIANG
  • Xie Shizeng
  • LIU XINYUE
  • WANG XIAO

Assignees

  • 山东得胜电力股份有限公司

Dates

Publication Date
20260512
Application Date
20260326

Claims (9)

  1. 1. The direct current converter transformer comprises a base (1), and is characterized in that a transformer body (11) is fixed at the top of the base (1), a first outgoing line sleeve (2) and a second outgoing line sleeve (201) are respectively fixed at two sides of one end of the transformer body (11), a first flange (21) is fixed at one end, far away from the transformer body (11), of the first outgoing line sleeve (2) and the second outgoing line sleeve (201), a limiting ring (22) is fixed on the surface of the first flange (21), a sealing plate (23) is fixed on the surface, close to one side of the first flange (21), of the first outgoing line sleeve (2), a supporting screw (24) is connected to the inner part of the limiting ring (22) and the sealing plate (23) in a sliding manner, nuts are arranged on the surface of the supporting screw (24), a lower bearing frame (25) is fixed at one end, far away from the transformer body (11), of the lower bearing frame (25), a supporting plate (27) is fixed at the bottom, far away from one end of the first outgoing line sleeve (2), of the lower bearing frame (25), a lower bearing frame (25) is connected with a lower bearing frame (28) through a clamping valve, and the upper bearing frame (25) is connected with a lower bearing frame (3) through a clamping valve. One side that base (1) is close to first wire outlet sleeve (2) is fixed with support sleeve (4), the inside of support sleeve (4) is fixed with first cylinder (41), the output shaft of first cylinder (41) is fixed with first connecting piece (42), the inside of first connecting piece (42) is fixed with fixed plate (43), the top of fixed plate (43) is fixed with bracket (44), the surface sliding connection of fixed plate (43) bottom has carriage (45), the inside of carriage (45) is equipped with second cylinder (46), second cylinder (46) one end is fixed with carriage (45) through second connecting piece (47), the output shaft of second cylinder (46) is fixed with third connecting piece (48), third connecting piece (48) are fixed with fixed plate (43).
  2. 2. The direct current converter transformer of claim 1, wherein a bellows (12) is fixed on one side of the top of the base (1), the bellows (12) is communicated with the transformer body (11) through a connecting pipe, and a fan blade group (13) is fixed on one side of the bellows (12).
  3. 3. The direct current converter transformer according to claim 2, wherein a screw (211) is fixed on the surface of the first flange (21) far away from the side of the first outlet sleeve (2), and a correction block (26) is fixed on the end of the supporting screw (24) far away from the lower bearing frame (25).
  4. 4. A direct current converter transformer according to claim 3, characterized in that the surface of the valve side bushing (3) is fixed with a second flange (31).
  5. 5. The direct current converter transformer of claim 4, wherein a first air supply pipe (5) and a second air supply pipe (51) are respectively fixed on two sides of the air box (12), a first connecting pipe (52) is fixed on one end, far away from the air box (12), of the first air supply pipe (5), and a second connecting pipe (53) is fixed on one end, far away from the air box (12), of the second air supply pipe (51).
  6. 6. The DC-to-DC converter transformer of claim 5, wherein a first cooling cavity (6) is formed in the lower carrier (25), and a second cooling cavity (61) is formed in the upper carrier (28).
  7. 7. The direct current converter transformer of claim 6, wherein the inside of the lower bearing frame (25) is slidably connected with a connecting rod (62), one end of the connecting rod (62) close to the transformer body (11) is fixed with an arc-shaped push plate (63), and the arc-shaped push plate (63) is slidably and hermetically connected with the first cooling cavity (6).
  8. 8. The direct current converter transformer of claim 7, wherein a spring group (64) is fixed on one surface of the arc push plate (63) close to the transformer body (11), a linkage plate (65) is fixed on one end of the connecting rod (62) far away from the spring group (64), a supporting rod (66) is fixed on the surface of one side of the linkage plate (65) close to the connecting rod (62), and the supporting rod (66) is in sliding connection with the supporting plate (27).
  9. 9. The direct current converter transformer of claim 8, wherein the top of the upper bearing frame (28) is fixedly provided with a water injection pipe (7), the water injection pipe (7) is communicated with the second cooling cavity (61), the bottoms of the two sides of the upper bearing frame (28) are fixedly provided with butt joint pipes (71), the tops of the two sides of the lower bearing frame (25) are provided with butt joint grooves (72), the butt joint pipes (71) are in sliding sealing connection with the butt joint grooves (72), and the bottoms of the lower bearing frame (25) are provided with water outlets (73).

Description

Direct current conversion flow type transformer Technical Field The invention relates to the technical field of Direct Current (DC) converter, in particular to a DC converter transformer. Background The DC converter transformer is a core device in a DC power transmission system, and mainly aims to provide a proper voltage level for a converter, realize electrical isolation between an AC system and the DC system, inhibit harmonic waves generated by the converter from diffusing to an AC side, ensure stable operation of the DC power transmission system, and is a specially designed power transformer which is specially adapted to nonlinear and pulsating load characteristics of the converter. The components of the transformer, such as an oil tank, an outlet device, a valve side winding, a tapping switch and the like, are usually installed by adopting hanging equipment, wherein the outlet device and the valve side winding are required to be installed on the transformer in an alternating manner, so that the outlet device and the valve side winding are required to be accurately centered in installation, the valve side winding can be installed in the outlet device, in the prior art, in order to protect the valve side winding from being scratched in hanging the valve side winding, the hanging equipment is generally adopted to slowly adjust the butting angle, and the hanging equipment is matched with manpower for observation and auxiliary adjustment, so that the installation efficiency is low, in addition, the hanging equipment is required to be matched with a plurality of people for comprehensive observation in the observation process, the accurate butting installation is ensured, and in the subsequent maintenance process, the dismounting and reinstalling processes are also complicated, so that the installation efficiency of the outlet device and the valve side winding of the direct current converter transformer is still to be improved. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a direct current converter transformer, which solves the problems in the prior art. The invention provides a direct current converter transformer which comprises a base, wherein a transformer body is fixed at the top of the base, a first outgoing line sleeve and a second outgoing line sleeve are respectively fixed at two sides of one end of the transformer body, a first flange is fixed at one ends of the first outgoing line sleeve and the second outgoing line sleeve, which are far away from the transformer body, a limiting ring is fixed on the surface of the first flange, a sealing plate is fixed on the surface of the first outgoing line sleeve, which is close to one side of the first flange, a supporting screw is connected inside the limiting ring and the sealing plate in a sliding manner, a nut is arranged on the surface of the supporting screw, a lower bearing frame is fixed at one end of the supporting screw, which is far away from the transformer body, a supporting plate is fixed at the bottom of one end of the lower bearing frame, an upper bearing frame is fixed at the top of the lower bearing frame through bolts, and a valve side sleeve is clamped at the inner side of the lower bearing frame; The base is close to first play line sheathed tube one side and is fixed with support sleeve, support sleeve's inside is fixed with first cylinder, the output shaft of first cylinder is fixed with first connecting piece, the inside of first connecting piece is fixed with the fixed plate, the top of fixed plate is fixed with the bracket, the surface sliding connection of fixed plate bottom has the carriage, the inside of carriage is equipped with the second cylinder, second cylinder one end is fixed with the carriage through the second connecting piece, the output shaft of second cylinder is fixed with the third connecting piece, the third connecting piece is fixed with the fixed plate. Preferably, a wind box is fixed on one side of the top of the base, the wind box is communicated with the transformer body through a connecting pipe, and a fan blade group is fixed on one side of the wind box. Preferably, a screw is fixed on the surface of the first flange far away from one side of the first outlet sleeve, and a correction block is fixed at one end of the support screw far away from the lower bearing frame. Preferably, a second flange is fixed to the surface of the valve-side sleeve. Preferably, the two sides of the bellows are respectively fixed with a first air supply pipe and a second air supply pipe, one end of the first air supply pipe, which is far away from the bellows, is fixed with a first connecting pipe, and one end of the second air supply pipe, which is far away from the bellows, is fixed with a second connecting pipe. Preferably, the first cooling cavity is formed in the lower bearing frame, and the second cooling cavity is formed in the upper bearing frame. Preferably, the inside sliding conn