CN212907340U

CN212907340U - Oil-immersed power transformer

Info

Publication number: CN212907340U
Application number: CN202021543686.6U
Authority: CN
Inventors: 包存海
Original assignee: Beierbian Group Co ltd
Current assignee: Beierbian Group Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-06
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an oil-immersed power transformer, including oil-immersed power transformer body, the upper end activity joint of oil-immersed power transformer body has the apron, the upper surface edge of apron and the upper surface edge of oil-immersed power transformer body have been seted up and have been corresponded and set up the through-hole, the inside activity interlude of through-hole has the bolt, threaded connection has the nut under the side of bolt, and the downside that oil-immersed power transformer body and nut correspond is equipped with first shutoff piece, the upper surface that the apron corresponds with the bolt is equipped with the second shutoff piece. This oil-immersed power transformer can in time carry out interim shutoff to transformer leakage department through multiple mode, and work efficiency is high, can reduce the seepage of oil, for the long-term shutoff of later stage provides time, can avoid the air to enter into the transformer through leakage department simultaneously inside, avoids the internal plant to damage easy operation, convenient to use.

Description

Oil-immersed power transformer

Technical Field

The utility model relates to a transformer technical field specifically is an oil-immersed power transformer.

Background

The oil-immersed transformer is also called an oil-immersed test transformer. The oil-immersed transformer has the oil leakage condition that fastening bolt is not hard up and corrugated plate welding is insecure.

The existing sealing mode is to use special materials for bonding and sealing, thereby achieving the purpose of controlling leakage. But this kind of mode troublesome poeration, can not in time seal the department of revealing in addition temporarily, inside the air enters into the transformer easily, damages equipment, work efficiency is low, uses inconveniently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an oil-immersed power transformer, can in time carry out interim shutoff to transformer leakage department through multiple mode, work efficiency is high, can reduce the seepage of oil, for later stage long-term nature shutoff provides time, can avoid the air to enter into the transformer through leakage department simultaneously inside, avoid the internal plant to damage, easy operation, convenient to use can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil-immersed power transformer, includes oil-immersed power transformer body, the upper end activity joint of oil-immersed power transformer body has the apron, the upper surface edge of apron and the upper surface edge of oil-immersed power transformer body have been seted up and have been corresponded and set up the through-hole, the inside activity interlude of through-hole has the bolt, threaded connection has the nut under the side of bolt, and the downside that oil-immersed power transformer body and nut correspond is equipped with first shutoff piece, the upper surface that the apron corresponds with the bolt is equipped with the second shutoff piece.

The side welding of oily formula power transformer body has evenly distributed's ripple piece, and the side upper end of oily formula power transformer body is equipped with the guide arm, the corner and the oily formula power transformer body fixed connection of guide arm, and the side slip of guide arm is provided with seal assembly.

As a preferred technical scheme of the utility model, first shutoff piece is including fixing on oil-immersed power transformer body and corresponding the first sealed tube that sets up with the through-hole downside, the inside activity joint of first sealed tube has first rubber card post, and the upper surface of first rubber card post sets up the first draw-in groove that corresponds the setting with the bolt.

As a preferred technical scheme of the utility model, the second shutoff piece is including fixing the second sealed tube that the surface just corresponds the setting on the apron with the through-hole, the inside activity joint of second sealed tube has second rubber card post, the bottom of second rubber card post is equipped with the second draw-in groove with the head activity joint of bolt.

As a preferred technical scheme of the utility model, the screw thread has all been seted up to the first sealed tube lateral surface of first shutoff piece and the lateral surface of the second sealed tube of second shutoff piece, and the equal threaded connection in side of first sealed tube and the side of second sealed tube has the nut, one side that oil-immersed power transformer body was kept away from to the nut is equipped with the gas pocket.

As a preferred technical scheme of the utility model, seal assembly is including sliding the sleeve that sets up in the guide arm side, telescopic side is equipped with the telescopic link, the flexible end of telescopic link is rotated and is provided with the shutoff piece, the width of shutoff piece is less than the distance between two adjacent corrugated sheets, and the length of shutoff piece equals the distance between two adjacent corrugated sheets.

As a preferred technical scheme of the utility model, movable joint has splint on the corrugated sheet, and the side lower extreme of splint is equipped with the extension plate that two symmetries set up, and the width of splint inner chamber equals between two adjacent corrugated sheets apart from with the thickness of two corrugated sheets with.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the oil-immersed power transformer of example, when the seepage appears in the welding department of corrugated sheet, adjust the length of telescopic link to rotate the shutoff piece, then rotate the sleeve around the guide arm, the sleeve passes through the telescopic link and drives the shutoff piece and rotate, then with the shutoff piece extrude the seepage department of corrugated sheet carry on the shutoff can.

2. The utility model discloses the oil-immersed power transformer of example can carry out spacing fixed to two adjacent corrugated sheets through splint, improves the compressive capacity of corrugated sheet, avoids the shutoff piece shutoff in-process to extrude the slope with the corrugated sheet, improves the shutoff effect.

3. The utility model discloses the oil-immersed power transformer of example, first rubber card post can seal the nut position, and second rubber card post can seal the bolt position, and the nut can extrude the location to first rubber card post and second rubber card post simultaneously, can also seal convenient to use to first sealed tube and second sealed tube.

4. The utility model discloses the oil-immersed power transformer of example can in time carry out interim shutoff to transformer seepage department through multiple mode, and work efficiency is high, can reduce the seepage of oil, for the long-term shutoff of later stage provides time, can avoid the air to enter into the transformer through seepage department simultaneously inside, avoids the internal plant to damage easy operation, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the middle clamp plate of the present invention;

fig. 3 is a schematic structural view of the blocking member of the present invention;

fig. 4 is a bottom view of fig. 3.

In the figure: 1 oil-immersed power transformer body, 2 corrugated sheets, 3 apron, 4 through-holes, 41 bolts, 42 nuts, 5 guide arms, 6 seal assembly, 61 sleeve, 62 telescopic link, 63 plugging block, 7 splint, 71 extension plate, 8 first sealed tubes, 81 first rubber card post, 82 first draw-in groove, 9 nut, 91 gas pocket, 10 second sealed tubes, 11 second rubber card post, 12 second draw-in grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an oil-immersed power transformer, includes oil-immersed power transformer body 1, and the upper end activity joint of oil-immersed power transformer body 1 has apron 3, and the upper surface edge of apron 3 and the upper surface edge of oil-immersed power transformer body 1 have been seted up and have been corresponded and set up through-hole 4, and the inside activity interlude of through-hole 4 has bolt 41, and the side lower extreme threaded connection of bolt 41 has nut 42.

And the downside that oil-immersed power transformer body 1 and nut 42 correspond is equipped with first shutoff piece, and first shutoff piece is including fixing on oil-immersed power transformer body 1 and the first sealed tube 8 that corresponds the setting with through-hole 4 downside, and the inside activity joint of first sealed tube 8 has first rubber card post 81, and the upper surface of first rubber card post 81 sets up the first draw-in groove 82 that corresponds the setting with bolt 41, and first rubber card post 81 can seal nut 42 position.

The upper surface that apron 3 and bolt 41 correspond is equipped with the second shutoff piece, and the second shutoff piece is including fixing 3 upper surfaces of apron and the second sealed tube 10 that corresponds the setting with through-hole 4, and the inside activity joint of second sealed tube 10 has second rubber card post 11, and the bottom of second rubber card post 11 is equipped with the second draw-in groove 12 with the head activity joint of bolt 41, and second rubber card post 11 can seal bolt 41 position.

8 lateral surfaces of first sealed tube of first shutoff piece and the lateral surface of second sealed tube 10 of second shutoff piece all seted up the screw thread, and the equal threaded connection in side of first sealed tube 8 and the side of second sealed tube 10 has nut 9, one side that oil-immersed power transformer body 1 was kept away from to nut 9 is equipped with gas pocket 91, nut 9 can push the location to first rubber card post 81 and second rubber card post 11, can also seal convenient to use to first sealed tube 8 and second sealed tube 10.

And the side upper end of oily formula power transformer body 1 is equipped with guide arm 5, the corner and oily formula power transformer body 1 fixed connection of guide arm 5, and the side slip of guide arm 5 is provided with sealing assembly 6, sealing assembly 6 is including sliding the sleeve 61 that sets up in the side of guide arm 5, the side of sleeve 61 is equipped with telescopic link 62, telescopic link 62's flexible end rotates and is provided with plugging block 63, plugging block 63's width is less than the distance between two adjacent corrugated sheet 2, and plugging block 63's length equals the distance between two adjacent corrugated sheet 2, when the seepage appears in corrugated sheet 2's welding department, adjust telescopic link 62's length, and rotate plugging block 63, then rotate sleeve 61 around guide arm 5, sleeve 61 drives plugging block 63 through telescopic link 62 and rotates, then extrude plugging block 63 to corrugated sheet 2's seepage department and can the shutoff.

The side welding of oily formula power transformer body 1 has evenly distributed's corrugated sheet 2, the movable joint has splint 7 on the corrugated sheet 2, and the side lower extreme of splint 7 is equipped with the extension plate 71 that two symmetries set up, and the width of splint 7 inner chamber equals between two adjacent corrugated sheets 2 apart from with two corrugated sheet 2's thickness with, can carry out spacing fixed to two adjacent corrugated sheet 2 through splint 7, improve corrugated sheet 2's compressive capacity, avoid the shutoff piece 63 shutoff in-process to extrude the slope with corrugated sheet 2, improve the shutoff effect.

Whole oil-immersed power transformer can in time carry out interim shutoff to transformer leakage department through multiple mode, and work efficiency is high, can reduce the seepage of oil, for the long-term shutoff of later stage provides time, can avoid the air to enter into the transformer through leakage department simultaneously inside, avoids the internal plant to damage easy operation, convenient to use.

When in use:

the oil-immersed power transformer comprises an oil-immersed power transformer body 1, a first sealing pipe 8 and a cover plate 3, wherein the first sealing pipe 8 corresponds to the through hole 4, and the second sealing pipe 10 corresponds to the through hole 4.

When the joint of the bolt 41 leaks, the first rubber clamping column 81 is inserted into the first sealing tube 8, the bottom of the bolt 41 is inserted into the first clamping groove 82, the nut 9 is in threaded connection with the first sealing tube 8, when the nut 9 is in complete contact with the bottom of the first rubber clamping column 81 and generates pressure, air in the nut 9 is completely discharged through the air hole 91, and the nut 9 is matched with the first rubber clamping column 81 to seal the through hole 4 in the oil-immersed power transformer body 1;

inserting the second rubber clamping column 11 into the second sealing pipe 10, clamping the head of the bolt 41 with the second clamping groove 12, connecting the screw cap 9 with the second sealing pipe 10 through threads, completely discharging air in the screw cap 9 through the air hole 91 when the screw cap 9 is completely contacted with the top of the second rubber clamping column 11 and generates pressure, and sealing the through hole 4 in the cover plate 3 by the screw cap 9 matching with the second rubber clamping column 11;

when the corrugated sheet 2 leaks from the welding position on the oil immersed power transformer body 1, the clamping plate 7 is clamped on the corrugated sheet 2, and the extension plate 71 corresponds to the leaking position;

adjust the length of telescopic link 62 to rotate plugging block 63, then rotate sleeve 61 around guide arm 5, sleeve 61 drives plugging block 63 through telescopic link 62 and rotates, then extrudes plugging block 63 to the seepage department of corrugated sheet 2 and carries out the shutoff can.

The utility model discloses can in time carry out interim shutoff to transformer leakage department through multiple mode, work efficiency is high, can reduce the seepage of oil, for the long-term shutoff of later stage provides time, can avoid the air to enter into the transformer through leakage department simultaneously inside, avoid the internal plant to damage easy operation, convenient to use.

The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An oil-immersed power transformer, includes oil-immersed power transformer body (1), its characterized in that: a cover plate (3) is movably clamped at the upper end of the oil-immersed power transformer body (1), through holes (4) are correspondingly formed in the edge of the upper surface of the cover plate (3) and the edge of the upper surface of the oil-immersed power transformer body (1), bolts (41) are movably inserted in the through holes (4), nuts (42) are connected to the lower ends of the side surfaces of the bolts (41) in a threaded mode, first plugging pieces are arranged on the lower sides, corresponding to the nuts (42), of the oil-immersed power transformer body (1), and second plugging pieces are arranged on the upper surfaces, corresponding to the bolts (41), of the cover plate (3);

the oil-immersed power transformer is characterized in that corrugated sheets (2) which are uniformly distributed are welded on the side face of the oil-immersed power transformer body (1), a guide rod (5) is arranged at the upper end of the side face of the oil-immersed power transformer body (1), corners of the guide rod (5) are fixedly connected with the oil-immersed power transformer body (1), and a sealing assembly (6) is arranged on the side face of the guide rod (5) in a sliding mode.

2. Oil filled power transformer according to claim 1, characterized in that: the first sealing part comprises a first sealing pipe (8) which is fixed on the oil-immersed power transformer body (1) and corresponds to the lower side of the through hole (4), a first rubber clamping column (81) is clamped in the inner movable joint of the first sealing pipe (8), and a first clamping groove (82) which corresponds to the bolt (41) is formed in the upper surface of the first rubber clamping column (81).

3. Oil filled power transformer according to claim 1, characterized in that: the second sealing piece is including fixing second sealed tube (10) that sets up at apron (3) upper surface and corresponding with through-hole (4), the inside activity joint of second sealed tube (10) has second rubber card post (11), the bottom of second rubber card post (11) is equipped with second draw-in groove (12) with the head activity joint of bolt (41).

4. Oil filled power transformer according to claim 1, characterized in that: the lateral surface of a first sealing pipe (8) of the first plugging piece and the lateral surface of a second sealing pipe (10) of the second plugging piece are both provided with threads, the side surface of the first sealing pipe (8) and the side surface of the second sealing pipe (10) are both connected with a nut (9) in a threaded mode, and one side, away from the oil-immersed power transformer body (1), of the nut (9) is provided with an air hole (91).

5. Oil filled power transformer according to claim 1, characterized in that: sealing component (6) are including sliding sleeve (61) that sets up in guide arm (5) side, the side of sleeve (61) is equipped with telescopic link (62), the flexible end of telescopic link (62) is rotated and is provided with plugging block (63), the width of plugging block (63) is less than the distance between two adjacent corrugated sheet (2), and the length of plugging block (63) equals the distance between two adjacent corrugated sheet (2).

6. Oil filled power transformer according to claim 1, characterized in that: the corrugated plate (2) is movably clamped with a clamping plate (7), two symmetrically arranged extension plates (71) are arranged at the lower end of the side surface of the clamping plate (7), and the width of the inner cavity of the clamping plate (7) is equal to the sum of the distance between two adjacent corrugated plates (2) and the thickness of the two corrugated plates (2).