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CN-116588507-B - Fixing device of equalizing pipe and transformer

CN116588507BCN 116588507 BCN116588507 BCN 116588507BCN-116588507-B

Abstract

The embodiment of the invention discloses a fixing device of a pressure equalizing pipe and a transformer, wherein the fixing device of the pressure equalizing pipe comprises a mounting seat, a connecting seat and a connecting seat, wherein the mounting seat is provided with a through hole for the pressure equalizing pipe to pass through; the pressure equalizing pipe comprises a pressure equalizing pipe, a limiting piece and a fixing piece, wherein the pressure equalizing pipe is sleeved with the pressure equalizing pipe, the limiting piece is provided with a limiting part, the fixing piece is provided with a clamping part, the clamping part is tightly attached to the limiting piece, the fixing piece is arranged on a mounting seat, and the fixing piece is abutted with the limiting part of the limiting piece so as to prevent the limiting piece from falling out. According to the fixing device for the pressure equalizing pipe, the clamping part of the fixing piece is tightly attached to the limiting piece sleeved on the pressure equalizing pipe, the limiting piece is fixed on the mounting seat, so that the pressure equalizing pipe is prevented from loosening, meanwhile, the limiting part arranged on the limiting piece is abutted to the fixing piece, the limiting piece is prevented from falling out, the risk that the pipe wall of the pressure equalizing pipe is damaged is reduced, and therefore the reliability of the fixing device for the pressure equalizing pipe is improved.

Inventors

  • ZHAO YONGJIN
  • YE ZHUANGZHUANG
  • TUO YAN
  • LIN PENG

Assignees

  • 西安西电变压器有限责任公司
  • 中国西电电气股份有限公司

Dates

Publication Date
20260505
Application Date
20230626

Claims (13)

  1. 1. A pressure equalizing tube fixing device, comprising: A mounting base (103) having a through hole for the pressure equalizing tube (200) to pass through; The limiting piece (101) is used for sleeving the pressure equalizing pipe (200), and the limiting piece (101) is provided with a limiting part (1011); The fixing piece (102) is provided with a clamping part, the clamping part is tightly attached to the limiting piece (101), the fixing piece (102) is arranged on the mounting seat (103), and the fixing piece (102) is abutted to the limiting part (1011) of the limiting piece (101) so as to prevent the limiting piece (101) from falling out; The outside of pressure-equalizing pipe (200) is provided with first insulating layer, first insulating layer is in through insulating material cladding pressure-equalizing pipe (200) outside toper structure, locating part (101) have with first insulating layer complex path end and big footpath end, so that locating part (101) with the insulating layer of pressure-equalizing pipe (200) pastes tightly, locating part (1011) set up in the big footpath end of locating part (101), the path end of locating part (101) passes the through-hole of mount pad (103) the outside cladding of locating part (101) has the second insulating layer, the clamping part of mounting (102) with the second insulating layer in the locating part (101) outside pastes tightly.
  2. 2. The pressure equalizing tube fixing device according to claim 1, wherein said limit portion (1011) has a ring-like structure provided on the outer side wall of the large diameter end of said limit member (101).
  3. 3. The pressure equalizing tube fixing device according to claim 1, wherein said fixing member (102) comprises a clamping member, said clamping portion is an abutment surface (1023) located on said clamping member, and said abutment surface (1023) abuts against said limiting member (101).
  4. 4. A holding device for a pressure equalizing tube according to claim 3, characterized in that said clamping members comprise at least a first clamping member (1021) and a second clamping member (1022), and that said first clamping member (1021) and said second clamping member (1022) are each provided with said clamping portion such that said limiting member (101) is located between the clamping portions of said first clamping member (1021) and said second clamping member (1022).
  5. 5. The pressure equalizer fixing apparatus according to claim 4, wherein the clamping portions of the first clamping member (1021) and the second clamping member (1022) are each arc-shaped abutting surfaces.
  6. 6. The pressure equalizing tube fixing device according to claim 1, wherein a connecting portion (1031) is provided on the mounting base (103), and the connecting portion (1031) is used for movably connecting with the supporting frame (300).
  7. 7. The pressure equalizing tube fixing device according to claim 6, wherein said connecting portion (1031) is provided with an adjusting slide hole for adjusting the position of said mounting base (103), and said support frame (300) is provided with a screw hole matching with said adjusting slide hole, so that said mounting base (103) is fixed on said support frame (300).
  8. 8. The fixing device of a pressure equalizing tube according to claim 1, wherein said fixing member (102) is located between said mounting base (103) and a limiting portion (1011) of said limiting member (101) so that said fixing member is fixed to said mounting base (103) and abuts against said limiting portion (1011).
  9. 9. The pressure equalizing tube fixing device according to claim 1, wherein said fixing member (102) is provided with a mounting hole (1024) for fixing said fixing member (102) to said mounting base (103) by means of a fastener.
  10. 10. A transformer for a transformer of the type comprising a transformer body, characterized by comprising the following steps: A support frame (300); The voltage equalizing pipe (200) is used for connecting a winding and a sleeve, the voltage equalizing pipe (200) comprises an aluminum pipe, copper stranded wires used for carrying current penetrate through the aluminum pipe so as to realize the electric connection of the winding and the sleeve, a first insulating layer is arranged on the outer side of the aluminum pipe, the first insulating layer is of a conical structure, the small-diameter end of the first insulating layer is positioned on the winding side, and the large-diameter end of the first insulating layer is positioned on the sleeve side; A fixing mechanism comprising a fixing device and a clamping assembly (400), wherein the fixing device is a fixing device of the pressure equalizing tube according to any one of claims 1-9, the mounting base (103) is arranged on the supporting frame (300), the clamping assembly (400) is arranged on the supporting frame (300) and is used for clamping the pressure equalizing tube (200), and the clamping assembly (400) and the fixing device are arranged at intervals.
  11. 11. The transformer according to claim 10, wherein the clamping assembly (400) comprises a limiting assembly (401) and a clamping clip (402), the limiting assembly (401) is arranged on the outer side of the pressure equalizing tube (200), the clamping clip (402) is detachably arranged on the supporting frame (300), and the clamping clip (402) clamps the limiting assembly (401) to fix the pressure equalizing tube (200).
  12. 12. The transformer of claim 11, wherein the spacing assembly (401) comprises a spacing insulating cylinder (4012) and spacing ring members (4011) disposed at two ends of the spacing insulating cylinder (4012), the spacing insulating cylinder (4012) is tightly attached to the outer side of the pressure equalizing tube (200), the clamping clips (402) are disposed between the spacing ring members (4011) at two ends of the spacing insulating cylinder (4012), and the clamping clips (402) clamp the spacing insulating cylinder (4012), and the spacing ring members (4011) are used for preventing the clamping clips (402) from being separated.
  13. 13. The transformer of claim 12, wherein the number of limiting insulating cylinders (4012) is plural, each limiting insulating cylinder (4012) is sequentially arranged on the outer side of the equalizing pipe (200), supporting pieces (4013) which are equal in height to the limiting insulating cylinders (4012) are arranged between adjacent limiting insulating cylinders (4012), the number of supporting pieces (4013) is plural, and each supporting piece (4013) is uniformly distributed along the circumferential direction of the limiting insulating cylinders (4012).

Description

Fixing device of equalizing pipe and transformer Technical Field The invention relates to the technical field of transformers of power systems, in particular to a fixing device of a voltage equalizing pipe and a transformer. Background Transformers are important power transmission and distribution equipment in an electric power system, and can convert electric energy of one voltage into electric energy of another voltage. At present, the annual composite growth rate of the power consumption exceeds 6.65%, the power demand is rapidly increased, the large-capacity and long-distance power transmission becomes the main direction of power development, and the composite power transmission system has the comprehensive advantages of long distance, large capacity, low loss and small occupied area for ultra-high voltage and ultra-high voltage power transmission, and can greatly improve the safety, reliability, flexibility and economy of a power grid. In the prior art, in the transportation of transformer, traditional lead wire equalizing pipe's fixing device is fixed mainly through the clamp centre gripping, and fixed mode is comparatively single, causes the not hard up of lead wire equalizing pipe in the transportation easily for constantly rub between lead wire equalizing pipe and the clamp, thereby cause the pipe wall of lead wire equalizing pipe to receive the damage, lead to unable copper stranded conductor in the protection pipe body, increased the risk that copper stranded conductor damaged, and then make equalizing pipe fixing device's reliability lower. Therefore, how to improve the reliability of the pressure equalizing tube fixing device is a technical problem to be solved by the person skilled in the art. Disclosure of Invention In view of the above, an object of the present invention is to provide a fixing device for a pressure equalizing tube, so as to improve the reliability of the pressure equalizing tube fixing device. Another object of the present invention is to provide a transformer having the above-mentioned fixing device for a pressure equalizing tube. In order to achieve the above purpose, the present invention provides the following technical solutions: A holding device for a pressure equalizing tube, comprising: a mounting seat provided with a through hole for the pressure equalizing pipe to pass through; the limiting piece is sleeved on the pressure equalizing pipe and is provided with a limiting part; the fixing piece is provided with a clamping part, the clamping part is tightly attached to the limiting piece, the fixing piece is arranged on the mounting seat, and the fixing piece is abutted to the limiting part of the limiting piece so as to prevent the limiting piece from falling out. Optionally, in the fixing device of the pressure equalizing pipe, a first insulating layer is disposed on the outer side of the pressure equalizing pipe, the first insulating layer is a conical structure coated on the outer side of the pressure equalizing pipe through insulating materials, the limiting piece is provided with a small-diameter end and a large-diameter end which are matched with the first insulating layer, so that the limiting piece is tightly attached to the insulating layer of the pressure equalizing pipe, the limiting portion is disposed at the large-diameter end of the limiting piece, the small-diameter end of the limiting piece penetrates through the through hole of the mounting seat, so that a second insulating layer is coated on the outer side of the limiting piece, and the clamping portion of the fixing piece is tightly attached to the second insulating layer on the outer side of the limiting piece. Optionally, in the fixing device for a pressure equalizing tube, the limiting part is an annular structure arranged on the outer side wall of the large-diameter end of the limiting part. Optionally, in the fixing device for a pressure equalizing tube, the fixing member includes a clamping member, the clamping portion is a fitting surface located on the clamping member, and the fitting surface is tightly attached to the limiting member. Optionally, in the fixing device for a pressure equalizing tube, the clamping member includes at least a first clamping member and a second clamping member, and the first clamping member and the second clamping member are both provided with the clamping portion, so that the limiting member is located between the clamping portion of the first clamping member and the clamping portion of the second clamping member. Optionally, in the fixing device for a pressure equalizing tube, the clamping portions of the first clamping member and the second clamping member are arc-shaped fitting surfaces. Optionally, in the fixing device for a pressure equalizing tube, the mounting seat is provided with a connecting portion, and the connecting portion is movably connected with the supporting frame. Optionally, in the fixing device for a pressure equalizing tube, the connectin