CN219329156U

CN219329156U - Oil immersed transformer protection casing

Info

Publication number: CN219329156U
Application number: CN202320188073.2U
Authority: CN
Inventors: 左锦太; 陈何东; 李绘宇
Original assignee: Jiangsu Zhiyuan Electric Co ltd
Current assignee: Jiangsu Zhiyuan Electric Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-07-11
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses an oil immersed transformer protective cover which comprises a protective cover body, wherein two sides of the top of the protective cover body are movably connected with a closing frame through hinges. According to the utility model, the top of the protective cover body is opened by matching the first connecting block, the second connecting block, the fixed plate, the sleeve, the spring and the sleeve frame, so that heat in the inner cavity of the protective cover body is conveniently radiated outwards, the radiating efficiency is improved due to the large radiating area of the opening, and the transformer is conveniently pulled to drive the transformer to move outwards to be separated from the inner cavity of the protective cover body for maintenance by matching the stabilizing plate, the threaded sleeve, the threaded rod, the positioning block and the positioning groove, so that the problems that the protective cover is connected in a welding mode, the later disassembly and maintenance are inconvenient, more heat is accumulated in the protective cover, and if the ventilation hole is used for radiating, the radiating efficiency is too slow, and the service life of the protective cover is easily shortened are solved.

Description

Oil immersed transformer protection casing

Technical Field

The utility model relates to the technical field of protection of oil-immersed transformers, in particular to a protective cover of an oil-immersed transformer.

Background

The transformer is a device for changing ac voltage by using the principle of electromagnetic induction, and can be divided into: distribution transformer, power transformer, full sealed transformer, combination formula transformer, dry-type transformer and oil-immersed transformer etc. and oil-immersed transformer is because most all use outdoor, can receive sun for a long time, drenches, and then need the protection casing to protect it, the protection casing adopts welded mode to connect more, and then comparatively inconvenient when overhauling oil-immersed transformer at the later stage, and the protection casing receives sun reason for a long time, its inside can silt up more heat, the louvre of protection casing itself design is when in actual use, but its radiating efficiency is too slow, and then the heat can cause the damage to the transformer, shorten its life, for this we propose an oil-immersed transformer protection casing, solve this problem.

Disclosure of Invention

The utility model aims to provide an oil immersed transformer protective cover, which has the advantages of convenient maintenance and heat dissipation, solves the problems that the protective cover is connected in a welding mode, is inconvenient to disassemble and maintain in the later period, and can accumulate more heat in the protective cover, if a vent hole is used for heat dissipation, the heat dissipation efficiency is too slow, and the service life of the protective cover is easily shortened.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an oil-immersed transformer protection casing, includes the protection casing body, the both sides at protection casing body top all are through hinge swing joint has the closing frame, the right side the first connecting block of top fixedly connected with of closing frame, the left side the top fixedly connected with second connecting block of closing frame, the left side fixedly connected with fixed plate of second connecting block, the surface cover of fixed plate is equipped with the sleeve, the left side fixedly connected with spring of sleeve inner chamber, and the other end and the fixed plate fixed connection of spring, telescopic front and back are through pivot swing joint has the cover frame, the inner chamber swing joint of protection casing body has the rack, the equal fixedly connected with stabilizer in both sides at rack rear end top, the constant head tank has been seted up to one side of stabilizer, the equal fixedly connected with thread bush in both sides of protection casing body, the inner chamber threaded connection of thread bush has the threaded rod, the one end runs through the protection casing body and has the locating piece through threaded rod swing joint.

Preferably, the through grooves are formed in two sides of the protective cover body, the positioning blocks are located in the inner cavities of the through grooves and are in sliding connection with the inner cavities of the through grooves, and one ends, far away from the threaded rods, of the positioning blocks extend to the inner cavities of the positioning grooves and are in sliding connection with the inner cavities of the positioning grooves.

Preferably, the both sides of rack all fixedly connected with slider, the spout has all been seted up to the both sides of protection casing body inner chamber, the one end that the rack was kept away from to the slider extends to the inner chamber of spout and with the inner chamber sliding connection of spout.

Preferably, sealing strips are fixedly connected to the periphery of the front end of the surface of the placing frame, and one side, away from the placing frame, of the sealing strips is in contact with the protective cover body.

Preferably, the visual window is offered on the front of rack, the front fixedly connected with of rack draws the frame, the surface cover of drawing the frame is equipped with the antiskid cover.

Preferably, the right side of the first connecting block is provided with a clamping groove, and the sleeve frame is positioned in the inner cavity of the clamping groove and is movably connected with the inner cavity of the clamping groove.

Preferably, the sleeve frame is sleeved on the surfaces of the first connecting block and the second connecting block and is movably connected with the surfaces of the first connecting block and the second connecting block.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the transformer is placed through the placing frame, the transformer is protected through the protective cover body, the protective cover body is closed through the closing frame, the cover frame is separated from the surface of the first connecting block through the cooperation of the first connecting block, the second connecting block, the fixed plate, the sleeve, the spring and the cover frame, the fixing of the first connecting block is removed, the first connecting block and the second connecting block can drive the closing frame to move to one side to open the top of the protective cover body, the heat of the inner cavity of the protective cover body is conveniently radiated outwards, the radiating efficiency is improved due to the large radiating area, the stabilizing plate is conveniently released from the inner cavity of the positioning groove through the cooperation of the stabilizing plate, the threaded sleeve, the threaded rod, the positioning block and the positioning groove, the threaded rod is conveniently pulled to drive the transformer to move outwards to be separated from the inner cavity of the protective cover body for maintenance, the problem that the protective cover is connected in a welding mode, the later maintenance is inconvenient, more heat is accumulated in the protective cover, if the ventilation hole is adopted for radiating, and the service life of the protective cover is easily shortened is solved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the portion A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a sleeve according to the present utility model;

FIG. 4 is a schematic view of a rack structure according to the present utility model;

fig. 5 is a schematic view of a partial sectional structure of a protective cover body according to the present utility model.

In the figure: 1. a protective cover body; 2. a closing frame; 3. a first connection block; 4. a second connection block; 5. a fixing plate; 6. a sleeve; 7. a spring; 8. a sleeve frame; 9. a placing rack; 10. a stabilizing plate; 11. a thread sleeve; 12. a threaded rod; 13. a positioning block; 14. a positioning groove; 15. a through groove; 16. a slide block; 17. a chute; 18. a sealing strip; 19. a visual window; 20. a pull frame; 21. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The protective cover body 1, the closed frame 2, the first connecting block 3, the second connecting block 4, the fixed plate 5, the sleeve 6, the spring 7, the sleeve frame 8, the placing frame 9, the stabilizing plate 10, the threaded sleeve 11, the threaded rod 12, the positioning block 13, the positioning groove 14, the through groove 15, the sliding block 16, the sliding groove 17, the sealing strip 18, the visible window 19, the pull frame 20 and the clamping groove 21 are all universal standard components or components known to a person skilled in the art, and the structure and the principle of the protective cover are all known to the person skilled in the art through technical manuals or through a routine experiment method.

Referring to fig. 1-5, an oil immersed transformer protective cover comprises a protective cover body 1, wherein both sides of the top of the protective cover body 1 are movably connected with a closed frame 2 through hinges, the top of the right closed frame 2 is fixedly connected with a first connecting block 3, the top of the left closed frame 2 is fixedly connected with a second connecting block 4, the left side of the second connecting block 4 is fixedly connected with a fixed plate 5, the surface of the fixed plate 5 is sleeved with a sleeve 6, the left side of the inner cavity of the sleeve 6 is fixedly connected with a spring 7, the other end of the spring 7 is fixedly connected with the fixed plate 5, the front and the back of the sleeve 6 are movably connected with a sleeve frame 8 through a rotating shaft, the inner cavity of the protective cover body 1 is movably connected with a placing frame 9, both sides of the top of the rear end of the placing frame 9 are fixedly connected with a stabilizing plate 10, one side of the stabilizing plate 10 is provided with a positioning groove 14, both sides of the protective cover body 1 are fixedly connected with a threaded sleeve 11, the inner cavity of the thread bush 11 is connected with a threaded rod 12 in a threaded manner, one end of the threaded rod 12 penetrates through the protective cover body 1 and is movably connected with a positioning block 13 through a bearing, the threaded rod is used for placing a transformer, the protective cover body 1 is used for protecting the transformer, the protective cover body 1 is closed through the closing frame 2, the sleeve frame 8 is separated from the surface of the first connecting block 3 by matching the first connecting block 3, the second connecting block 4, the fixed plate 5, the sleeve 6, the spring 7 and the sleeve frame 8, the fixing of the first connecting block 3 is released, the first connecting block 3 and the second connecting block 4 can drive the closing frame 2 to move to one side to open the top of the protective cover body 1, the heat of the inner cavity of the protective cover body 1 is conveniently emitted outwards, the opened heat dissipation area is large, the heat dissipation efficiency is improved, through the cooperation of stabilizer 10, thread bush 11, threaded rod 12, locating piece 13 and constant head tank 14, make threaded rod 12 drive the inner chamber that locating piece 13 breaks away from constant head tank 14 and remove the location to stabilizer 10 to be convenient for pull rack 9 drive transformer outward movement break away from the inner chamber of protection casing body 1 and overhaul, solved the protection casing and adopted welded mode to connect more, inconvenient later stage dismantlement maintenance, and the inside heat that can silted up of protection casing, if adopt the ventilation hole to dispel the heat, but its radiating efficiency is too slow, and then easily shorten its life's problem.

Specifically, the through grooves 15 are formed in two sides of the protective cover body 1, the positioning block 13 is located in the inner cavity of the through groove 15 and is in sliding connection with the inner cavity of the through groove 15, one end, away from the threaded rod 12, of the positioning block 13 extends to the inner cavity of the positioning groove 14 and is in sliding connection with the inner cavity of the positioning groove 14, and the effect of limiting the positioning block 13 is achieved by the aid of the through grooves 15.

Specifically, the slide blocks 16 are fixedly connected to the two sides of the placing frame 9, the sliding grooves 17 are formed in the two sides of the inner cavity of the protective cover body 1, one end, far away from the placing frame 9, of the slide blocks 16 extends to the inner cavity of the sliding grooves 17 and is in sliding connection with the inner cavity of the sliding grooves 17, and the effect of limiting the movement track of the placing frame 9 is achieved through the arrangement of the slide blocks 16 and the sliding grooves 17.

Specifically, all around the front end of rack 9 surface all fixedly connected with sealing strip 18, one side that rack 9 was kept away from to sealing strip 18 contacts with protection casing body 1, through setting up sealing strip 18, has played the effect of sealed rack 9 and protection casing body 1 junction, avoids the dust to get into through the gap.

Specifically, visual window 19 has been seted up in the front of rack 9, and the positive fixedly connected with of rack 9 draws frame 20, and the surface cover of drawing frame 20 is equipped with the antiskid cover, through setting up visual window 19, plays the effect of being convenient for look over the transformer, through setting up drawing frame 20, has played the effect of being convenient for drive rack 9 motion.

Specifically, draw-in groove 21 has been seted up on the right side of first linkage piece 3, and cover frame 8 is located the inner chamber of draw-in groove 21 and with the inner chamber swing joint of draw-in groove 21, through setting up draw-in groove 21, has played spacing effect to cover frame 8, avoids cover frame 8 dislocation.

Specifically, the sleeve frame 8 is sleeved on the surfaces of the first connecting block 3 and the second connecting block 4 and is movably connected with the surfaces of the first connecting block 3 and the second connecting block 4.

When in use, the transformer is placed by the placement frame 9, the protection cover body 1 protects the transformer, when the temperature in the inner cavity of the protection cover body 1 is overhigh, the sleeve frame 8 is pulled at first, the sleeve frame 8 is stressed to drive the sleeve 6 to move to one side of the fixed plate 5, the fixed plate 5 enters the inner cavity of the sleeve 6 to extrude and deform the spring 7, meanwhile, the sleeve frame 8 is separated from the inner cavity of the clamping groove 21, then the sleeve frame 8 is pushed, the sleeve frame 8 is driven to reset by the reset elastic force of the spring 7 and is further disconnected with the first connecting block 3, the first connecting block 3 and the second connecting block 4 are pulled later, the first connecting block 3 and the second connecting block 4 drive the closing frame 2 to move to one side around the hinge axis, the top of the protection cover body 1 is in an open state, the heat in the inner cavity of the protection cover body 1 is conveniently radiated outwards, the heat radiating area is large, and the heat radiating efficiency is improved, when the heat dissipation is finished, the protective cover body 1 can be closed by the operation, when the transformer is required to be overhauled, the threaded rod 12 is reversely rotated firstly, the threaded rod 12 drives the positioning block 13 to move to one side while the inner cavity of the threaded sleeve 11 rotates, the positioning block 13 is separated from the inner cavity of the positioning groove 14 and enters the inner cavity of the through groove 15, so that the stabilizer plate 10 is released from the positioning, then the rack 9 is pulled by the pull frame 20, the rack 9 drives the transformer to move outwards, and the transformer can be separated from the inner cavity of the protective cover body 1, so that the overhauling is convenient, when the transformer is installed again after the overhauling is finished, the operation can be reversed, the problems that the protective cover is connected in a welding mode, the disassembly and the overhauling in the later stage are inconvenient, more heat can be accumulated in the protective cover, if the ventilation hole is adopted for heat dissipation, but the heat dissipation efficiency is too slow, and further the service life of the water heater is easy to be shortened.

The standard parts used in the application file can be purchased from the market, and can be customized according to the description of the specification and the drawing, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment adopt conventional models in the prior art, the control mode is controlled automatically by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the control method belongs to common knowledge in the art, and the application file is mainly used for protecting a mechanical device, so the control mode and circuit connection are not explained in detail.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil-immersed transformer protection casing, includes protection casing body (1), its characterized in that: the utility model discloses a protection casing, including protection casing body (1), fixed plate (5), sleeve (6), spring (7) are all passed through to the both sides at protection casing body (1) top, the right side the top fixedly connected with first connecting block (3) of closed frame (2), the left side the top fixedly connected with second connecting block (4) of closed frame (2), the left side fixedly connected with fixed plate (5) of second connecting block (4), the surface cover of fixed plate (5), the left side fixedly connected with spring (7) of sleeve (6) inner chamber, and the other end and the fixed plate (5) fixed connection of spring (7), the front and the back of sleeve (6) are through pivot swing joint cover frame (8), the inner chamber swing joint of protection casing body (1) has rack (9), the equal fixedly connected with stabilizer (10) in both sides at rack (9) rear end top, constant head tank (14) are seted up to one side of stabilizer (10), the equal fixedly connected with thread bush (11) in both sides of protection casing body (1), the inner chamber (11) inner chamber (12) of thread bush (12) are connected with threaded shaft (12) through threaded rod (13) threaded rod (1).

2. The oil immersed transformer protection cover according to claim 1, wherein: the protective cover is characterized in that through grooves (15) are formed in two sides of the protective cover body (1), the positioning blocks (13) are located in inner cavities of the through grooves (15) and are in sliding connection with the inner cavities of the through grooves (15), and one ends, far away from the threaded rods (12), of the positioning blocks (13) extend to inner cavities of the positioning grooves (14) and are in sliding connection with the inner cavities of the positioning grooves (14).

3. The oil immersed transformer protection cover according to claim 1, wherein: both sides of rack (9) all fixedly connected with slider (16), spout (17) have all been seted up to the both sides of protection casing body (1) inner chamber, the one end that rack (9) was kept away from to slider (16) extends to the inner chamber of spout (17) and with the inner chamber sliding connection of spout (17).

4. The oil immersed transformer protection cover according to claim 1, wherein: sealing strips (18) are fixedly connected to the periphery of the front end of the surface of the placing frame (9), and one side, far away from the placing frame (9), of the sealing strips (18) is contacted with the protective cover body (1).

5. The oil immersed transformer protection cover according to claim 1, wherein: the front of rack (9) has offered visual window (19), the front fixedly connected with of rack (9) draws frame (20), the surface cover of drawing frame (20) is equipped with the antiskid cover.

6. The oil immersed transformer protection cover according to claim 1, wherein: the right side of the first connecting block (3) is provided with a clamping groove (21), and the sleeve frame (8) is positioned in the inner cavity of the clamping groove (21) and is movably connected with the inner cavity of the clamping groove (21).

7. The oil immersed transformer protection cover according to claim 1, wherein: the sleeve frame (8) is sleeved on the surfaces of the first connecting block (3) and the second connecting block (4) and is movably connected with the surfaces of the first connecting block (3) and the second connecting block (4).