CN214043347U

CN214043347U - Split type fin of large-scale transformer

Info

Publication number: CN214043347U
Application number: CN202120260245.3U
Authority: CN
Inventors: 仇传祯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-08-24
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a split type fin of large-scale transformer, including the mainstream pipeline, mainstream pipeline both ends are equipped with respectively and are responsible for flange and sealing member, be equipped with a plurality of flange one along the axial on the mainstream pipeline lateral wall, flange one is connected with radiating fin, radiating fin's both ends welding has flange two, it is fixed through connecting strip one between the outside of adjacent flange one, the inner of being responsible for flange and sealing member is equipped with the connecting strip two fixed with adjacent flange one, connecting strip two, the mainstream pipeline, be responsible for the flange, the sealing member, flange one is once cast for the smart aluminium. The utility model discloses mainstream pipeline, be responsible for flange, sealing member and flange one are cast for a smart aluminium, have saved the time that a plurality of parts need make alone, have saved manpower and materials, need not tedious many parts welding, increase quality and reliability to can change radiating fin alone, reduce extravagantly, convenient maintenance.

Description

Split type fin of large-scale transformer

Technical Field

The utility model belongs to the technical field of the fin, concretely relates to split type fin of large-scale transformer.

Background

When a large and medium-sized power transformer operates, components such as an internal winding and an iron core can generate loss, the loss is converted into heat, the heat is transferred to an oil tank wall through the heat conduction and convection of transformer oil, the temperature of the winding, the iron core, the oil tank wall and the oil surface can be continuously raised, the temperature rise can directly influence the service life of insulating materials such as the winding, and therefore the temperature must be controlled within a certain range, and the heat dissipation of a cooling fin is an essential important component in the transformer.

The fin of traditional large-scale transformer divide into two kinds, one kind is iron sheet formula fin, another kind is aluminium system alloy fin, no matter which fin of above-mentioned two kinds structurally all is the mainstream pipe, be responsible for flange, be responsible for sealing, flange makes alone, then be responsible for sealing and flange and weld respectively at the both ends of mainstream pipe, then the hydraulic fluid leakage mouth welding on flange and the mainstream pipe, flange and heat dissipation monolithic welded fastening at last, just so cause to make and install very troublesome, and be not convenient for the maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a split type fin of large-scale transformer solves present fin and makes and install very troublesome, the problem of the maintenance of being not convenient for moreover.

The utility model relates to a split type fin of large-scale transformer, including the mainstream pipeline, mainstream pipeline both ends are equipped with respectively and are responsible for flange and sealing member, be equipped with a plurality of flange one along the axial on the mainstream pipeline lateral wall, flange one is connected with radiating fin, radiating fin's both ends welding have with flange one complex flange two, be equipped with sealed the pad between flange one and the flange two, it is fixed through connecting strip one between the outside of adjacent flange one, the inner of being responsible for flange and sealing member is equipped with the connecting strip two of fixing with adjacent flange one, connecting strip two, the mainstream pipeline, be responsible for the flange, the sealing member, flange one is once cast into for smart aluminium.

The top of the connecting flange I is fixedly provided with a connecting plate, the connecting plate is fixedly connected with a main flow pipeline, an oil duct communicated with a connecting port of the connecting flange I and the main flow pipeline is arranged in the connecting plate, and the connecting plate is also formed by casting refined aluminum at one time. Increasing the overall strength.

The outer side of the bottom end of the connecting port of the first connecting flange is provided with a sealing compression convex ring, the outer side of the top of the connecting port of the second connecting flange is provided with a sealing groove matched with the sealing compression convex ring, a sealing gasket is arranged between the sealing groove and the sealing compression convex ring, and threaded connecting holes are formed in the outer sides of the first connecting flange and the second connecting flange. Can compress tightly the bulge loop cooperation through sealed recess and sealed and form labyrinth seal, the sealed pad of cooperation, better seals, prevents to leak.

And a positioning insertion block is arranged on the lower end face of the connecting flange I outside the sealing compression convex ring, and a positioning insertion groove in interference fit with the positioning insertion block is arranged on the upper end face of the connecting flange II outside the sealing groove. Can play the purpose of location chucking through location inserted block and location slot cooperation when connecting radiating fin, can be easy to assemble connecting bolt.

Radiating fins communicated with the inner cavities of the radiating fins are uniformly distributed on the outer side walls of the radiating fins, and the outer walls of the radiating pictures and the radiating fins are corrugated. The heat dissipation area is increased, and the heat dissipation effect is improved.

Compared with the prior art, the utility model has the advantages of:

mainstream pipeline, be responsible for the flange, sealing member and flange are cast for a smart aluminium, the time that a plurality of parts need be made alone has been saved, shearing when also having saved the connection, the opening, tack welding and spot welding process, manpower and materials have been saved, need not tedious many parts welding, increase quality and reliability, and can change radiating fin alone, reduce extravagantly, convenient maintenance, connect in addition one and connecting strip two can constitute a whole to a plurality of parts that once cast, increase holistic intensity.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

FIG. 4 is a schematic view of a matching structure of a first connecting flange and a second connecting flange;

FIG. 5 is a schematic structural diagram of a heat dissipation fin;

in the figure: 1. a main flow conduit; 2. a connecting plate; 3. a first connecting flange; 4. a heat dissipating fin; 5. a second connecting flange; 6. a main pipe flange; 7. a seal member; 8. a second connecting strip 9 and a first connecting strip; 10. connecting a threaded hole; 11. positioning the insert block; 12. sealing and pressing the convex ring; 13. sealing gasket, 14, heat dissipating fin.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 1 to 3, the utility model discloses a split type fin of large-scale transformer, including mainstream pipeline 1, 1 both ends of mainstream pipeline are equipped with and are responsible for flange 6 and sealing member 7 respectively, be equipped with a plurality of flange 3 along the axial on the 1 lateral wall of mainstream pipeline, flange 3 is connected with radiating fin 4, radiating fin 4's both ends welding has two 5 with flange 3 complex flange two, be equipped with sealed the pad 13 between flange 3 and the flange two 5, it is fixed through connecting strip 9 between the outside of adjacent flange 3, the inner of being responsible for flange 6 and sealing member 7 is equipped with two 8 with the fixed connecting strip of adjacent flange 3, connecting strip 9, connecting strip two 8, mainstream pipeline 1, be responsible for flange 6, sealing member 7, flange 3 is once cast for the smart aluminium.

The top of the first connecting flange 3 is fixedly provided with a connecting plate 2, the connecting plate 2 is fixedly connected with a main flow pipeline 1, an oil duct for communicating the first connecting flange 3 with the main flow pipeline 1 is arranged in the connecting plate 2, and the connecting plate 2 is also formed by casting refined aluminum at one time.

During the preparation, mainstream pipeline 1, be responsible for flange 6, sealing member 7, flange one 3, connecting strip one 9, connecting strip two 8 and connecting plate 2 are through a smart aluminium casting shaping, need not the welding to can make the location that flange one 3 can be accurate, then weld flange two 5 on the both ends welding of radiating fin 4, utilize the bolt to connect flange two 5 at both ends on the flange one 3 that both ends correspond at last, accomplish the rapid manufacturing equipment of fin.

Embodiment 2, as shown in fig. 1 to 5, on the basis of embodiment 1, a sealing pressing convex ring 12 is arranged on the outer side of the bottom end of a connecting port of a first connecting flange 3, a sealing groove matched with the sealing pressing convex ring 12 is arranged on the outer side of the top of the connecting port of a second connecting flange 5, a sealing gasket 13 is arranged between the sealing groove and the sealing pressing convex ring 12, and threaded connecting holes 10 are arranged on the outer sides of the first connecting flange 3 and the second connecting flange 5. Can compress tightly the cooperation of bulge loop 12 through sealed recess and sealed and form labyrinth seal, the sealed pad of cooperation, better seals, prevents to leak.

The lower end face of the connecting flange I3 outside the sealing compression convex ring 12 is provided with a positioning insertion block 11, and the upper end face of the connecting flange II 5 outside the sealing groove is provided with a positioning insertion groove in interference fit with the positioning insertion block 11. Can play the purpose of location chucking through location inserted block 11 and location slot cooperation when connecting radiating fin 4, can be easy to assemble connecting bolt.

The outer side wall of the radiating fin 4 is uniformly distributed with radiating lugs 14 communicated with the inner cavity of the radiating fin 4, and the outer wall of each radiating lug 14 and the outer wall of each radiating fin 4 are corrugated. The heat dissipation area is increased, and the heat dissipation effect is improved.

To sum up, the utility model discloses mainstream pipeline, be responsible for flange, sealing member and flange one are cast for a smart aluminium, have saved the time that a plurality of parts need make alone, have also saved shearing, opening, flush joint and spot welding process when connecting, have saved manpower and materials, need not tedious many parts welding, increase quality and reliability to can change radiating fin alone, it is extravagant to reduce, convenient maintenance, connect in addition one and connecting strip two can constitute a whole to a plurality of parts that once cast, increase holistic intensity.

Furthermore, it should be understood that although the present description is described in terms of embodiments, not every embodiment includes only a single technical solution, and such description of the description is merely for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art, and the present apparatus is not limited to applying lubricating paste to high-strength bolts, and may be applied to ordinary bolts.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims

1. The utility model provides a split type fin of large-scale transformer, includes mainstream pipeline (1), and mainstream pipeline (1) both ends are equipped with respectively and are responsible for flange (6) and sealing member (7), are equipped with a plurality of flange (3) along the axial on mainstream pipeline (1) lateral wall, and flange (3) are connected with radiating fin (4), its characterized in that: the two ends of the radiating fins (4) are welded with connecting flanges I (3) and matched with connecting flanges II (5), sealing gaskets (13) are arranged between the connecting flanges I (3) and the connecting flanges II (5), the outer sides of adjacent connecting flanges I (3) are fixed through connecting strips I (9), the inner ends of main pipe flanges (6) and sealing pieces (7) are provided with connecting strips II (8) fixed with the adjacent connecting flanges I (3), the connecting strips I (9), the connecting strips II (8), the main flow pipeline (1), the main pipe flanges (6), the sealing pieces (7) and the connecting flanges I (3) are cast by fine aluminum at one time.

2. The split type cooling fin for the large transformer according to claim 1, wherein: the top of the connecting flange I (3) is fixed with a connecting plate (2), the connecting plate (2) is fixedly connected with a main flow pipeline (1), an oil duct which is communicated with a connecting port of the connecting flange I (3) and the main flow pipeline (1) is arranged in the connecting plate (2), and the connecting plate (2) is also cast by refined aluminum at one time.

3. The split type cooling fin for the large transformer according to claim 2, wherein: the sealing device is characterized in that a sealing compression convex ring (12) is arranged on the outer side of the bottom end of a connecting port of the first connecting flange (3), a sealing groove matched with the sealing compression convex ring (12) is arranged on the outer side of the top of a connecting port of the second connecting flange (5), a sealing gasket (13) is arranged between the sealing groove and the sealing compression convex ring (12), and threaded connecting holes (10) are formed in the outer sides of the first connecting flange (3) and the second connecting flange (5).

4. The split type cooling fin for the large transformer according to claim 3, wherein: the lower end face of the connecting flange I (3) on the outer side of the sealing compression convex ring (12) is provided with a positioning insertion block (11), and the upper end face of the connecting flange II (5) on the outer side of the sealing groove is provided with a positioning insertion groove in interference fit with the positioning insertion block (11).

5. The split type cooling fin for the large transformer according to claim 4, wherein: radiating fins (14) communicated with the inner cavities of the radiating fins (4) are uniformly distributed on the outer side walls of the radiating fins, and the outer walls of the radiating fins (14) and the outer walls of the radiating fins (4) are corrugated.