CN214254018U - Oil-immersed transformer case shell - Google Patents
Oil-immersed transformer case shell Download PDFInfo
- Publication number
- CN214254018U CN214254018U CN202120138342.5U CN202120138342U CN214254018U CN 214254018 U CN214254018 U CN 214254018U CN 202120138342 U CN202120138342 U CN 202120138342U CN 214254018 U CN214254018 U CN 214254018U
- Authority
- CN
- China
- Prior art keywords
- shell
- heat dissipation
- welded
- oil
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses an oil-immersed transformer box shell, which comprises a shell, a top plate, a heat dissipation shell, a bottom plate and a heat dissipation frame, wherein a square through groove is constructed at the top of the shell, the top of the shell is connected with the top plate, the top of the top plate is provided with a plurality of threaded holes communicated with the shell, a fastening bolt is in threaded connection in each threaded hole, the heat dissipation frame is welded on the outer side wall of one surface of the shell, the heat dissipation through grooves are respectively formed on the two sides of the shell, which are symmetrical about the heat dissipation frame, and the heat dissipation shells are welded on the inner peripheries of the two heat dissipation through grooves; the side walls of the two radiating shells are welded with a plurality of radiating partition plates which are distributed at equal intervals, inner cavities of the radiating partition plates are communicated with the inside of the shell, and a plurality of radiating fins positioned in the radiating partition plates are fixed on the side walls of the inside of the shell through a plurality of rivets; the outer wall welding of heat dissipation frame has a plurality of equidistant distribution's heating panel. This oil-immersed transformer case shell, the radiating effect is good, and the installation of being convenient for is fixed.
Description
Technical Field
The utility model belongs to the technical field of the transformer, concretely relates to oil-immersed transformer case shell.
Background
The distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, and reduces the voltage of 10kV or 35kV to 220/400V bus voltage used by users.
An oil-immersed transformer is a kind of transformer, and the body (winding and iron core) of the oil-immersed transformer is installed in a tank filled with transformer oil, and the tank is welded by steel plates. The oil tank of the medium and small-sized transformers consists of a tank shell and a tank cover, the transformer body of the transformer is placed in the tank shell, and the tank cover is opened to lift the transformer body out for maintenance. The size of the tank shell of many oil-immersed transformers is great, and the installation of the transformer is not facilitated.
Therefore, in order to meet the current situation, the design and production of the oil-immersed transformer shell are urgently needed to meet the requirement of practical use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil-immersed transformer case shell to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an oil-immersed transformer box shell comprises a shell, a top plate, a heat dissipation shell, a bottom plate and a heat dissipation frame, wherein a square through groove is formed in the top of the shell, the top of the shell is connected with the top plate, the top of the top plate is provided with a plurality of threaded holes communicated with the shell, fastening bolts are in threaded connection in the threaded holes, the heat dissipation frame is welded on the outer side wall of one surface of the shell, heat dissipation through grooves are formed in two symmetrical sides of the shell relative to the heat dissipation frame, and the heat dissipation shell is welded on the inner peripheries of the two heat dissipation through grooves;
the side walls of the two radiating shells are welded with a plurality of radiating partition plates which are distributed at equal intervals, inner cavities of the radiating partition plates are communicated with the inside of the shell, and a plurality of radiating fins positioned in the radiating partition plates are fixed on the side walls of the inside of the shell through a plurality of rivets;
the outer wall of the heat dissipation frame is welded with a plurality of heat dissipation plates which are distributed at equal intervals, the tops and the bottoms of the plurality of heat dissipation plates are welded and fixed with the reinforcing ribs, two grooves are formed in the side walls of two of the heat dissipation plates, and bolts penetrating through the signboard are in threaded connection with the inner peripheries of the four grooves;
the improved structure of the movable block comprises a base plate, a sliding groove is formed in the base plate, a round hole communicated with the sliding groove is formed in the side wall of the base plate, a threaded shaft is rotatably connected in the round hole through a bearing seat, a rotary plate is welded on the outer side wall of the threaded shaft, a crank is integrally formed in the side wall of the rotary plate, the periphery of the threaded shaft is connected with transverse portions of two movable blocks through threads, the two movable blocks are formed by integrally forming a transverse portion located in the sliding groove and two vertical portions located on two sides of the base plate respectively, two limiting blocks slidably connected with the side wall of the base plate are integrally formed at the tops of the transverse portions of the two movable blocks, mounting plates located under the base plate are welded on the adjacent sides of the vertical portions of the two movable blocks, and a linear mounting groove is formed in the surface of each mounting plate.
Preferably, three high-voltage connection terminal holes and four low-voltage connection terminal holes are formed in the surface of the top plate, and four lifting lugs distributed in a rectangular array are welded to the top of the top plate.
Preferably, a circular through hole is formed in the surface of the top plate, and an oil level indicator extending into the housing is fixed to the inner periphery of the circular through hole.
Preferably, a cross section of each of the plurality of fins is formed in a convex shape.
Preferably, the side wall of the shell is provided with a circular through hole, and the inner periphery of the circular through hole is fixed with an oil drainage valve.
The utility model discloses a technological effect and advantage: according to the oil-immersed transformer box shell, the radiating shells, the radiating fins, the radiating frames and the radiating plates are arranged, the radiating fins fixed on the two sides inside the shell are immersed in cooling oil, the heat of the cooling oil is absorbed, the radiating shells on the outer sides are used for radiating heat, and the cooling oil in the radiating plates is radiated through the radiating plates, so that the temperature inside the shell is reduced, and the service life of a transformer is prolonged; through bottom plate, threaded shaft, movable block and the mounting panel that sets up, rotate the threaded shaft, drive two movable blocks simultaneous syntropy or reverse movement to adjust the interval between two mounting panels, accommodation is wide, does benefit to and installs the transformer on fixing the cross arm between the wire pole, this oil-immersed transformer case shell, the radiating effect is good, and the installation of being convenient for is fixed.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a schematic structural diagram of the bottom plate of the present invention;
fig. 3 is an enlarged view of the structure a in fig. 1 according to the present invention;
fig. 4 is an enlarged view of the structure at B in fig. 2 according to the present invention.
In the figure: the oil level gauge comprises a shell 1, a top plate 2, a heat dissipation shell 3, heat dissipation fins 31, rivets 32, a bottom plate 4, a rotating disc 41, a threaded shaft 42, a moving block 43, a limiting block 44, a mounting plate 45, a heat dissipation frame 5, a heat dissipation plate 6, reinforcing ribs 7, an oil level gauge 8, lifting lugs 9, fastening bolts 10 and an oil drainage valve 11.
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.
Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.
The utility model provides an oil-immersed transformer box shell as shown in figures 1-4, including shell 1, roof 2, heat dissipation shell 3, bottom plate 4 and heat dissipation frame 5, the top of shell 1 is constructed with logical groove of square, the top of shell 1 is connected with roof 2, the top of roof 2 is seted up a plurality of screw holes that communicate with shell 1, and the equal threaded connection has fastening bolt 10 in a plurality of screw holes, the welding of one side lateral wall of shell 1 has heat dissipation frame 5, the shell 1 has all seted up heat dissipation logical groove about the both sides of heat dissipation frame 5 symmetry, and the inner periphery of two heat dissipation logical grooves has all welded heat dissipation shell 3;
a plurality of heat dissipation partition plates which are distributed at equal intervals are welded on the side walls of the two heat dissipation shells 3, inner cavities of the plurality of heat dissipation partition plates are communicated with the inside of the shell 1, and a plurality of heat dissipation fins 31 which are positioned in the heat dissipation partition plates are fixed on the side walls of the inside of the shell 1 through a plurality of rivets 32;
the outer wall of the heat dissipation frame 5 is welded with a plurality of heat dissipation plates 6 which are distributed at equal intervals, the tops and the bottoms of the heat dissipation plates 6 are welded and fixed with reinforcing ribs 7, the reinforcing ribs 7 are used for improving the stability between the heat dissipation plates 6, two grooves are formed in the side walls of the two heat dissipation plates 6, and bolts penetrating through the signboard are in threaded connection with the inner peripheries of the four grooves;
the transformer is characterized in that a sliding groove is formed in the bottom plate 4, a circular hole communicated with the sliding groove is formed in the side wall of the bottom plate 4, a threaded shaft 42 is rotatably connected in the circular hole through a bearing seat, a rotating disc 41 is welded on the outer side wall of the threaded shaft 42, a crank is integrally formed on the side wall of the rotating disc 41, the periphery of the threaded shaft 42 is connected with the transverse parts of two moving blocks 43 through threads (two threaded grooves with opposite directions are formed in the periphery of the threaded shaft 42, when the threaded shaft 42 is rotated, the two moving blocks 43 simultaneously move in the same direction or in opposite directions), the two mounting plates 45 can be ensured to be symmetrical relative to the shell 1, the stability of the transformer after installation is ensured, the mounting plates 45 can be favorably fixed on the cross arm between telegraph poles by adjusting the distance between the two mounting plates 45, the transformer is conveniently installed and fixed, and the two moving blocks 43 are formed by integrally forming one transverse part in the sliding groove and two vertical parts respectively located on two sides of the bottom plate 4, the top of the horizontal portion of each of the two moving blocks 43 is integrally formed with two limiting blocks 44 slidably connected with the side wall of the bottom plate 4, the adjacent sides of the vertical portions of the two moving blocks 43 are welded with mounting plates 45 located right below the bottom plate 4, and the surfaces of the two mounting plates 45 are provided with linear mounting grooves.
Specifically, three high-voltage connection wire terminal holes and four low-voltage connection wire terminal holes (wiring terminals are installed in the drawing) are formed in the surface of the top plate 2, and four lifting lugs 9 distributed in a rectangular array are welded to the top of the top plate 2, so that the shell 1 can be conveniently hoisted.
Specifically, a circular through hole is formed in the surface of the top plate 2, an oil level indicator 8 extending into the housing 1 is fixed to the inner periphery of the circular through hole, and the type of the oil level indicator 8 can be YZF2-200 TH.
Specifically, the plurality of fins 31 are each formed in a convex shape in cross section, and a protrusion is provided in the housing 1 to increase a contact area with the cooling oil.
Specifically, a circular through hole is formed in the side wall of the housing 1, and an oil drain valve 11 is fixed to the inner periphery of the circular through hole.
According to the working principle, after the steel wire rope passes through the four lifting lugs 9, the shell 1 provided with the transformer is lifted through external hoisting equipment, the shell 1 is lifted to the position above a cross arm fixed between telegraph poles to be suspended, the distance between the cross arms is measured, then the threaded shaft 42 is rotated to drive the two moving blocks 43 to simultaneously move in the same direction or in the opposite direction, the distance between the adjusting and mounting plates 45 is the same as the distance between the cross arms, the hoisting equipment is operated to drop the shell 1, the transformer is mounted on the cross arms, the plurality of cooling fins 31 fixed on the two sides inside the shell 1 are immersed in cooling oil, the heat of the cooling oil is absorbed and dissipated through the cooling shell 3 on the outer side, and the cooling oil in the cooling plate 6 is dissipated through the cooling plate 6, so that the temperature inside the shell 1 is reduced, and the service life of the transformer is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides an oil-immersed transformer case shell, includes shell (1), roof (2), heat dissipation shell (3), bottom plate (4) and heat dissipation frame (5), its characterized in that: a square through groove is formed in the top of the shell (1), a top plate (2) is connected to the top of the shell (1), a plurality of threaded holes communicated with the shell (1) are formed in the top of the top plate (2), fastening screws (10) are connected into the plurality of threaded holes in a threaded manner, a heat dissipation frame (5) is welded on the outer side wall of one surface of the shell (1), heat dissipation through grooves are formed in two symmetrical sides of the shell (1) relative to the heat dissipation frame (5), and heat dissipation shells (3) are welded on the inner peripheries of the two heat dissipation through grooves;
a plurality of heat dissipation partition plates which are distributed at equal intervals are welded on the side walls of the two heat dissipation shells (3), inner cavities of the plurality of heat dissipation partition plates are communicated with the inside of the shell (1), and a plurality of heat dissipation fins (31) which are positioned in the heat dissipation partition plates are fixed on the side walls of the inside of the shell (1) through a plurality of rivets (32);
the outer wall of the heat dissipation frame (5) is welded with a plurality of heat dissipation plates (6) which are distributed at equal intervals, the tops and the bottoms of the heat dissipation plates (6) are welded and fixed with the reinforcing ribs (7), two grooves are formed in the side walls of the two heat dissipation plates (6), and bolts penetrating through the signboard are in threaded connection with the inner peripheries of the four grooves;
a sliding groove is formed in the bottom plate (4), a round hole communicated with the sliding groove is formed in the side wall of the bottom plate (4), a threaded shaft (42) is rotatably connected in the round hole through a bearing seat, a rotary plate (41) is welded on the outer side wall of the threaded shaft (42), a crank is integrally formed on the side wall of the rotary plate (41), the periphery of the threaded shaft (42) is connected with the transverse parts of two moving blocks (43) through threads, the two moving blocks (43) are formed by integrally forming a transverse part located in the sliding groove and two vertical parts located on two sides of the bottom plate (4) respectively, two limiting blocks (44) connected with the side wall of the bottom plate (4) in a sliding mode are integrally formed at the tops of the transverse parts of the two moving blocks (43), and mounting plates (45) located under the bottom plate (4) are welded on the adjacent sides of the vertical parts of the two moving blocks (43), the surface of the two mounting plates (45) is provided with a linear mounting groove.
2. An oil filled transformer tank as claimed in claim 1 wherein: three high-voltage connection terminal holes and four low-voltage connection terminal holes are formed in the surface of the top plate (2), and four lifting lugs (9) distributed in a rectangular array are welded to the top of the top plate (2).
3. An oil filled transformer tank as claimed in claim 1 wherein: a circular through hole is formed in the surface of the top plate (2), and an oil level indicator (8) extending into the shell (1) is fixed to the inner periphery of the circular through hole.
4. An oil filled transformer tank as claimed in claim 1 wherein: the cross section of each of the plurality of radiating fins (31) is convex.
5. An oil filled transformer tank as claimed in claim 1 wherein: a circular through hole is formed in the side wall of the shell (1), and an oil drainage valve (11) is fixed to the inner periphery of the circular through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120138342.5U CN214254018U (en) | 2021-01-19 | 2021-01-19 | Oil-immersed transformer case shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120138342.5U CN214254018U (en) | 2021-01-19 | 2021-01-19 | Oil-immersed transformer case shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254018U true CN214254018U (en) | 2021-09-21 |
Family
ID=77750755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120138342.5U Active CN214254018U (en) | 2021-01-19 | 2021-01-19 | Oil-immersed transformer case shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254018U (en) |
-
2021
- 2021-01-19 CN CN202120138342.5U patent/CN214254018U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210039929U (en) | Novel low-noise capacitor | |
| CN214254018U (en) | Oil-immersed transformer case shell | |
| CN107492825B (en) | 500KV full indoor transformer substation and comprehensive building | |
| CN213461048U (en) | Bus duct with supporting component | |
| CN208460516U (en) | A kind of PQ50 sandwich structure flat surface transformer | |
| CN216215739U (en) | Bus duct that radiating effect is good | |
| CN210837403U (en) | Oil-immersed transformer convenient to maintenance | |
| CN201010432Y (en) | Insulated cargo hook device | |
| CN210053070U (en) | High-performance alternating-current low-voltage power distribution cabinet | |
| CN113659235A (en) | Lithium ion battery liquid cooling system and energy storage system | |
| CN112542295A (en) | Cooling device of dry-type transformer | |
| CN210692300U (en) | Noise reduction type power transformer oil tank structure | |
| CN218448999U (en) | Heat dissipation device for low-voltage switch cabinet | |
| CN206023099U (en) | A kind of terraced Guang of bridge frame dedicated for nuclear power | |
| CN211308371U (en) | Movable vehicle-mounted transformer | |
| CN214495509U (en) | Adjustable hoisting device is used in logistics supply chain management | |
| CN218040323U (en) | Auxiliary transformer cabinet of wind driven generator | |
| CN215185453U (en) | Prefabricated cabin of shutter that embeds there is bus structure that converges for energy storage power station | |
| CN212991681U (en) | Do benefit to box-type substation who overhauls | |
| CN216287859U (en) | Energy-saving transformer convenient to install | |
| CN212063405U (en) | Novel bus duct | |
| CN218102248U (en) | Aluminum alloy low-voltage switchgear | |
| CN219457335U (en) | High-insulativity oil-immersed power transformer | |
| CN115354894B (en) | Arrangement structure of transformer substation | |
| CN213459392U (en) | Two-switch on-load voltage regulation special transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |