CN218159915U - Oil-immersed transformer with prevent subsiding with stirring structure - Google Patents

Oil-immersed transformer with prevent subsiding with stirring structure Download PDF

Info

Publication number
CN218159915U
CN218159915U CN202222218339.1U CN202222218339U CN218159915U CN 218159915 U CN218159915 U CN 218159915U CN 202222218339 U CN202222218339 U CN 202222218339U CN 218159915 U CN218159915 U CN 218159915U
Authority
CN
China
Prior art keywords
transformer body
fixedly connected
oil
transformer
liquid pumping
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
Application number
CN202222218339.1U
Other languages
Chinese (zh)
Inventor
吴碧峰
黄文明
陈宝星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rongzhong Electrical Co ltd
Original Assignee
Rongzhong Electrical Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rongzhong Electrical Co ltd filed Critical Rongzhong Electrical Co ltd
Priority to CN202222218339.1U priority Critical patent/CN218159915U/en
Application granted granted Critical
Publication of CN218159915U publication Critical patent/CN218159915U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transformer Cooling (AREA)

Abstract

The utility model discloses an oil-immersed transformer with prevent subsiding with stirring structure belongs to oil-immersed vary voltage technical field, including the transformer body, the inner chamber of transformer body rotates and is connected with two heat conduction standpipes, the side of transformer body is provided with filtering mechanism, the inner chamber of transformer body rotates and is connected with reciprocal lead screw, the scraper blade has been cup jointed to the outside screw thread of reciprocal lead screw, the lateral surface of scraper blade is laminated mutually with the inner wall of transformer body. The utility model discloses in, it is rotatory to drive the synchronizing wheel through the heat conduction standpipe, and it is rotatory to drive one-way bearing and reciprocal lead screw through the cooperation between synchronizing wheel and the hold-in range, and the cooperation through between one-way bearing and the reciprocal lead screw drives the scraper blade and removes, utilizes the scraper blade to scrape the inner wall of transformer body, has realized carrying out the function of clearing up to the insulating oil of transformer body inner wall adhesion deposit, has improved this oil-immersed transformer who has and has prevented subsiding with stirring structure's practicality.

Description

Oil-immersed transformer with prevent subsiding with stirring structure
Technical Field
The utility model relates to an oil-immersed vary voltage technical field, more specifically say, relate to an oil-immersed transformer with prevent subsiding with stirring structure.
Background
The oil immersed transformer is a high performance transformer which uses oil as the insulating medium of the transformer and depends on oil to cool and radiate, the main components of the transformer are iron core, winding, oil tank, oil conservator, etc., the transformer has the characteristics of reasonable structure and excellent performance, and the transformer is widely applied to urban and rural power grids and industrial power grids due to low production cost and good stability.
Through the retrieval, the utility model patent of bulletin number CN211742829U discloses an oil-immersed transformer that grease proofing liquid subsides, including casing, standpipe, helical blade and sleeve, the standpipe has been inserted to the top wall body of casing, and is antifriction bearing swing joint between casing and the standpipe to casing bottom wall body and oil extraction pipe welded connection and be linked together, welded connection has helical blade on the standpipe outer wall, and inserts to telescopic inside on the standpipe top, be welded connection between sleeve and the casing, and welded connection has the diaphragm on the telescopic inner wall to telescopic top inner wall welded connection has the locating lever. This oil-immersed transformer that grease proofing liquid subsides can be so that the inside insulating oil of transformer is in the mobile state, and density distribution is even, and the radiating effect is good, avoids the transformer to damage, and this device adopts mechanical structure, need not power drive to cost and energy consumption have been reduced, are favorable to using widely, and the practicality is strong. However, the above patents have the following disadvantages: insulating oil makes it can produce impurity in the inside long-term flow of transformer, and above-mentioned patent does not possess and carries out filterable device to impurity in the insulating oil, just must change insulating oil at interval a period, and the cost is higher, can not clear up the sedimentary impurity of transformer body inner wall adhesion in addition, and the practicality is relatively poor, therefore we have proposed one kind and have prevented subsiding with the oil-immersed transformer of stirring structure.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide an oil-immersed transformer with prevent subsiding with stirring structure, it can realize clearing up the impurity in the insulating oil to can clear up the sedimentary impurity of transformer body inner wall adhesion.
In order to solve the problem, the utility model adopts the following technical scheme:
the utility model provides an oil-immersed transformer with prevent subsiding with stirring structure, includes the transformer body, the inner chamber of transformer body rotates and is connected with two heat conduction standpipe, the side of transformer body is provided with filter mechanism, the inner chamber of transformer body rotates and is connected with reciprocal lead screw, the scraper blade has been cup jointed to the outside screw thread of reciprocal lead screw, the lateral surface of scraper blade is laminated mutually with the inner wall of transformer body, one the fixed synchronizing wheel that has cup jointed in the outside of heat conduction standpipe, the fixed one-way bearing that has cup jointed of lateral part on reciprocal lead screw top, another synchronizing wheel, two has been cup jointed to the fixed outside of one-way bearing the transmission is connected with the hold-in range between the synchronizing wheel.
As an optimized scheme of the utility model, another the fixed first bevel gear that has cup jointed in outside of heat conduction standpipe, filtering mechanism includes the drawing liquid case of fixed connection in the transformer body side, the inner chamber of drawing liquid case rotates and is connected with one-way lead screw, the outside screw thread of one-way lead screw has cup jointed the piston plate, the one end of one-way lead screw extends to the inner chamber of transformer body and fixed the cup joint has second bevel gear, second bevel gear and first bevel gear intermeshing, the top surface fixedly connected with cartridge filter of drawing liquid case, the cover is installed to the top screw thread of cartridge filter, the inner chamber of cartridge filter is provided with the filter pulp, fixedly connected with liquid suction pipe on the cover, the one end of liquid suction pipe extends to the inner chamber of transformer body, the tip fixed mounting of drawing liquid case has first check valve, the one end fixedly connected with catheter of first check valve, the one end of catheter extends to the inner chamber of cartridge filter, the tip fixed mounting of drawing liquid case has the second check valve, the one end fixedly connected with of second check valve, the one end of back flow extends to the inner chamber of transformer body.
As a preferred scheme of the utility model, the top of transformer body just is located the top fixedly connected with pouring jacket of heat conduction standpipe, the inner chamber fixedly connected with backup pad of pouring jacket, the bottom surface fixedly connected with spring of backup pad, the bottom fixedly connected with traveller of spring, the traveller cup joints with the backup pad activity, the inner chamber activity of heat conduction standpipe has cup jointed the sheet rubber, the top surface fixedly connected with threaded rod of sheet rubber, the top thread bush of threaded rod connects to the inner chamber of pouring jacket and rotates with the bottom of traveller to be connected.
As an optimized proposal of the utility model, the outer side surface of the piston plate is attached to the inner wall of the liquid pumping box.
As a preferred scheme of the utility model, the inner chamber of transformer body is provided with the gag lever post, the scraper blade cup joints with the gag lever post activity.
As a preferred scheme of the utility model, the outside of heat conduction standpipe is provided with helical blade, the side fixedly connected with stirring leaf of heat conduction standpipe bottom.
The utility model has the advantages that:
(1) The utility model discloses in, it is rotatory to drive the synchronizing wheel through the heat conduction standpipe, and it is rotatory to drive one-way bearing and reciprocal lead screw through the cooperation between synchronizing wheel and the hold-in range, and the cooperation through between one-way bearing and the reciprocal lead screw drives the scraper blade and removes, utilizes the scraper blade to scrape the inner wall of transformer body, has realized carrying out the function of clearing up to the insulating oil of transformer body inner wall adhesion deposit, has improved this oil-immersed transformer who has and has prevented subsiding with stirring structure's practicality.
(2) The utility model discloses in, it is rotatory to drive first bevel gear through the heat conduction standpipe, it is rotatory to drive one-way lead screw through the meshing transmission between first bevel gear and the second bevel gear, it removes to one side that is close to the transformer body to drive the piston plate through the cooperation between one-way lead screw and the piston plate, one side of drawing liquid tank inner chamber produces the negative pressure and makes the liquid suction pipe produce the inner chamber that suction takes out the insulating oil of transformer body inner chamber into the cartridge filter, filter the impurity in the filter pulp to the insulating oil through cartridge filter inner chamber, insulating oil after the filtration gets into the inner chamber of drawing liquid tank from the catheter, when one-way lead screw reversal, it removes to one side of keeping away from the transformer body to drive the piston plate through the cooperation between one-way lead screw and the piston plate, thereby the insulating oil of drawing liquid tank inner chamber is led back to the inner chamber of transformer body from the return pipe, the function of clearing up impurity in the insulating oil has been realized, the practicality of this oil-immersed transformer with stirring structure of preventing subsiding has been improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic sectional view of the transformer body of the present invention;
fig. 4 is a schematic sectional view of the casing of the present invention.
The reference numbers in the figures illustrate:
1. a transformer body; 2. a heat conducting vertical pipe; 3. a filtering mechanism; 4. a first bevel gear; 5. a liquid pumping box; 6. a one-way screw rod; 7. a piston plate; 8. a second bevel gear; 9. a second check valve; 10. a first check valve; 11. a catheter; 12. a filter cartridge; 13. a barrel cover; 14. a liquid pumping pipe; 15. filtering cotton; 16. a return pipe; 17. a reciprocating screw rod; 18. a squeegee; 19. a one-way bearing; 20. a synchronizing wheel; 21. a synchronous belt; 22. sleeving a box; 23. a rubber sheet; 24. a threaded rod; 25. a support plate; 26. a traveler; 27. a spring; 28. a helical blade; 29. stirring blades; 30. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-3, an oil-immersed transformer with an anti-settling stirring structure includes a transformer body 1, two heat-conducting vertical pipes 2 are rotatably connected to an inner cavity of the transformer body 1, a filtering mechanism 3 is disposed on a side surface of the transformer body 1, a reciprocating lead screw 17 is rotatably connected to the inner cavity of the transformer body 1, a scraper 18 is sleeved on an outer side thread of the reciprocating lead screw 17, an outer side surface of the scraper 18 is attached to an inner wall of the transformer body 1, a synchronizing wheel 20 is fixedly sleeved on an outer side of one of the heat-conducting vertical pipes 2, a one-way bearing 19 is fixedly sleeved on a side portion of a top end of the reciprocating lead screw 17, another synchronizing wheel 20 is fixedly sleeved on an outer side of the one-way bearing 19, and a synchronous belt 21 is drivingly connected between the two synchronizing wheels 20.
In this embodiment, the one-way bearing 19 is utilized to enable the synchronizing wheel 20 to drive the reciprocating screw rod 17 to rotate in one direction only, and the heat conducting vertical tube 2 is made of metal, and can absorb heat and conduct the heat to the air inside the heat conducting vertical tube.
Specifically, please refer to fig. 1 and 2, a first bevel gear 4 is fixedly sleeved outside another heat conducting vertical tube 2, the filtering mechanism 3 includes a liquid pumping box 5 fixedly connected to a side surface of the transformer body 1, an inner cavity of the liquid pumping box 5 is rotatably connected with a one-way lead screw 6, an outer thread of the one-way lead screw 6 is sleeved with a piston plate 7, one end of the one-way lead screw 6 extends to the inner cavity of the transformer body 1 and is fixedly sleeved with a second bevel gear 8, the second bevel gear 8 is meshed with the first bevel gear 4, a top surface of the liquid pumping box 5 is fixedly connected with a filter cartridge 12, a top thread of the filter cartridge 12 is provided with a cartridge cover 13, an inner cavity of the filter cartridge 12 is provided with filter cotton 15, the cartridge cover 13 is fixedly connected with a liquid pumping tube 14, one end of the liquid pumping tube 14 extends to the inner cavity of the transformer body 1, a first check valve 10 is fixedly installed at an end of the liquid pumping box 5, one end of the first check valve 10 is fixedly connected with a liquid guide tube 11, one end of the liquid guide tube 11 extends to the inner cavity of the filter cartridge 12, an end of the liquid pumping box 5 is fixedly installed with a second check valve 9, one end of the return tube 9 is fixedly connected with a return tube 16 extends to the inner cavity of the transformer body 1.
In this embodiment, the first check valve 10 can only make the insulating oil in the inner cavity of the filter cartridge 12 enter the inner cavity of the liquid pumping box 5 from the liquid guide tube 11, and cannot make the insulating oil in the inner cavity of the liquid pumping box 5 enter the inner cavity of the filter cartridge 12 from the liquid guide tube 11, the second check valve 9 can only make the insulating oil in the inner cavity of the liquid pumping box 5 enter the inner cavity of the transformer body 1 from the return pipe 16, and cannot make the insulating oil in the inner cavity of the transformer body 1 enter the inner cavity of the liquid pumping box 5 from the return pipe 16, and in addition, the impurities in the insulating oil are filtered through the filter cotton 15 in the inner cavity of the filter cartridge 12.
Specifically, please refer to fig. 4, the top of the transformer body 1 is fixedly connected to the jacket 22 above the heat conducting vertical tube 2, the inner cavity of the jacket 22 is fixedly connected to the supporting plate 25, the bottom surface of the supporting plate 25 is fixedly connected to the spring 27, the bottom end of the spring 27 is fixedly connected to the sliding column 26, the sliding column 26 is movably sleeved to the supporting plate 25, the inner cavity of the heat conducting vertical tube 2 is movably sleeved to the rubber sheet 23, the top surface of the rubber sheet 23 is fixedly connected to the threaded rod 24, and the top end of the threaded rod 24 is screwed to the inner cavity of the jacket 22 and rotatably connected to the bottom end of the sliding column 26.
Specifically, referring to fig. 2, the outer side surface of the piston plate 7 is attached to the inner wall of the liquid-extracting box 5.
In this embodiment, the inner wall of the liquid pumping box 5 is used for limiting the piston plate 7, so that the piston plate 7 can only move along the axial direction of the one-way screw rod 6, and meanwhile, the sealing performance of two sides of the inner cavity of the liquid pumping box 5 is ensured.
Specifically, referring to fig. 2, a limiting rod 30 is disposed in an inner cavity of the transformer body 1, and the scraper 18 is movably sleeved with the limiting rod 30.
In this embodiment, the scraper 18 is limited by the limiting rod 30, so that the scraper 18 can only move along the axial direction of the reciprocating screw rod 17.
Specifically, referring to fig. 2, the outer side of the vertical heat conducting pipe 2 is provided with a helical blade 28, and the side surface of the bottom end of the vertical heat conducting pipe 2 is fixedly connected with a stirring blade 29.
In this embodiment, the insulating oil settled at the bottom of the inner cavity of the transformer body 1 is stirred by the rotating helical blades 28 and the stirring blades 29.
The working principle is as follows: when insulating oil is settled, the insulating oil in the transformer body 1 is unevenly radiated, the temperature of the inner cavity of the transformer body 1 rises, the heat-conducting vertical tube 2 absorbs heat and conducts the heat to the air in the heat-conducting vertical tube 2, the air is heated and then expands, the rubber sheet 23 and the threaded rod 24 are further pushed to move upwards, the heat-conducting vertical tube 2 is driven to rotate through the matching between the threaded rod 24 and the heat-conducting vertical tube 2, the spiral blade 28 and the stirring blade 29 are driven to rotate through the heat-conducting vertical tube 2 to stir the insulating oil settled at the bottom of the inner cavity of the transformer body 1, so that the insulating oil is uniformly distributed and prevented from settling, when the insulating oil is uniformly distributed, the temperature of the air in the heat-conducting vertical tube 2 is reduced and does not expand any more, at the moment, the spring 27 pushes the sliding column 26 and the threaded rod 24 to move downwards to reset, and the heat-conducting vertical tube 2, the spiral blade 28 and the stirring blade 29 are driven to rotate reversely through the matching between the threaded rod 24 and the heat-conducting vertical tube 2;
when the heat conduction vertical pipes 2 rotate for the first time, one of the heat conduction vertical pipes 2 drives the synchronizing wheel 20 to rotate, the one-way bearing 19 is driven to rotate through the matching between the synchronizing wheel 20 and the synchronizing belt 21, at the moment, the synchronizing wheel 20 enables the one-way bearing 19 to drive the reciprocating screw rod 17 to rotate, the scraper 18 is driven to move through the matching between the one-way bearing 19 and the reciprocating screw rod 17, the scraper 18 is used for scraping the inner wall of the transformer body 1, and therefore insulating oil deposited on the inner wall of the transformer body 1 is cleaned, when the heat conduction vertical pipes 2 rotate reversely for the second time, the one-way bearing 19 idles, and the reciprocating screw rod 17 is not driven to rotate any more;
when the heat conduction vertical pipe 2 rotates for the first time, another heat conduction vertical pipe 2 drives the first bevel gear 4 to rotate, the one-way screw rod 6 is driven to rotate through meshing transmission between the first bevel gear 4 and the second bevel gear 8, the piston plate 7 is driven to move towards one side close to the transformer body 1 through matching between the one-way screw rod 6 and the piston plate 7, negative pressure is generated at one side of the inner cavity of the liquid pumping box 5 at the moment so that the liquid pumping pipe 14 generates suction force, therefore, the insulating oil in the inner cavity of the transformer body 1 is pumped into the inner cavity of the filter cylinder 12, impurities in the insulating oil are filtered through the filter cotton 15 in the inner cavity of the filter cylinder 12, the filtered insulating oil enters the inner cavity of the liquid pumping box 5 from the liquid guide pipe 11, when the heat conduction vertical pipe 2 rotates reversely for the first time, the one-way screw rod 6 rotates reversely at the moment, the piston plate 7 is driven to move towards one side far away from the transformer body 1 through matching between the one-way screw rod 6 and the piston plate 7, and therefore, the insulating oil in the inner cavity of the liquid pumping box 5 is guided back to the inner cavity of the return pipe 16 of the transformer body 1, and then the transformer body can be obtained.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims (6)

1. The utility model provides an oil-immersed transformer with prevent subsiding with stirring structure, includes transformer body (1), its characterized in that: the inner chamber of transformer body (1) rotates and is connected with two heat conduction standpipe (2), the side of transformer body (1) is provided with filtering mechanism (3), the inner chamber of transformer body (1) rotates and is connected with reciprocal lead screw (17), the outside screw thread on reciprocal lead screw (17) has cup jointed scraper blade (18), the lateral surface of scraper blade (18) is laminated mutually with the inner wall of transformer body (1), one the outside of heat conduction standpipe (2) is fixed to be cup jointed synchronizing wheel (20), the lateral part on reciprocal lead screw (17) top is fixed to be cup jointed one-way bearing (19), another synchronizing wheel (20) has been fixed to be cup jointed in the outside of one-way bearing (19), two the transmission is connected with hold-in range (21) between synchronizing wheel (20).
2. The oil-immersed transformer with the anti-settling stirring structure according to claim 1, wherein: the other heat conducting vertical pipe (2) is fixedly sleeved with a first bevel gear (4) outside, the filtering mechanism (3) comprises a liquid pumping box (5) fixedly connected to the side face of the transformer body (1), the inner cavity of the liquid pumping box (5) is rotatably connected with a one-way screw rod (6), the outer side thread of the one-way screw rod (6) is sleeved with a piston plate (7), one end of the one-way screw rod (6) extends to the inner cavity of the transformer body (1) and is fixedly sleeved with a second bevel gear (8), the second bevel gear (8) is meshed with the first bevel gear (4), the top face of the liquid pumping box (5) is fixedly connected with a filtering cylinder (12), the top thread of the filtering cylinder (12) is provided with a cylinder cover (13), the inner cavity of the filtering cylinder (12) is provided with filter cotton (15), the cylinder cover (13) is fixedly connected with a liquid pumping pipe (14), one end of the liquid pumping pipe (14) extends to the inner cavity of the transformer body (1), the end part of the liquid pumping box (5) is fixedly provided with a first one-way check valve (10), one end of the first check valve (10) is fixedly connected with a liquid pumping pipe (11), the liquid pumping cylinder (11) extends to the end part of the filtering cylinder (5), and the second liquid pumping box (9) is fixedly connected with a liquid pumping pipe (9), one end of the second one-way valve (9) is fixedly connected with a return pipe (16), and one end of the return pipe (16) extends to the inner cavity of the transformer body (1).
3. The oil-immersed transformer with the anti-settling stirring structure according to claim 1, wherein: the top of transformer body (1) just is located top fixedly connected with pouring jacket (22) of heat conduction standpipe (2), inner chamber fixedly connected with backup pad (25) of pouring jacket (22), bottom surface fixedly connected with spring (27) of backup pad (25), bottom fixedly connected with traveller (26) of spring (27), traveller (26) cup joint with backup pad (25) activity, the inner chamber activity of heat conduction standpipe (2) has cup jointed sheetmetal (23), the top surface fixedly connected with threaded rod (24) of sheetmetal (23), the top screw thread of threaded rod (24) cup joints to the inner chamber of pouring jacket (22) and rotates with the bottom of traveller (26) to be connected.
4. The oil-immersed transformer with the anti-settling stirring structure according to claim 2, wherein: the outer side surface of the piston plate (7) is attached to the inner wall of the liquid pumping box (5).
5. The oil-immersed transformer with the anti-settling stirring structure according to claim 1, wherein: the inner cavity of the transformer body (1) is provided with a limiting rod (30), and the scraper (18) is movably sleeved with the limiting rod (30).
6. The oil-immersed transformer with stirring structure for preventing sedimentation according to claim 1, wherein: the outer side of the heat conduction vertical pipe (2) is provided with a helical blade (28), and the side surface of the bottom end of the heat conduction vertical pipe (2) is fixedly connected with a stirring blade (29).
CN202222218339.1U 2022-08-23 2022-08-23 Oil-immersed transformer with prevent subsiding with stirring structure Active CN218159915U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222218339.1U CN218159915U (en) 2022-08-23 2022-08-23 Oil-immersed transformer with prevent subsiding with stirring structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222218339.1U CN218159915U (en) 2022-08-23 2022-08-23 Oil-immersed transformer with prevent subsiding with stirring structure

Publications (1)

Publication Number Publication Date
CN218159915U true CN218159915U (en) 2022-12-27

Family

ID=84552921

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222218339.1U Active CN218159915U (en) 2022-08-23 2022-08-23 Oil-immersed transformer with prevent subsiding with stirring structure

Country Status (1)

Country Link
CN (1) CN218159915U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116779292A (en) * 2023-07-13 2023-09-19 深圳市万志宇科技有限公司 Multi-winding transformer
CN117116613A (en) * 2023-10-19 2023-11-24 河南鼎冠电力科技有限公司 Large-capacity rectifier transformer cooling device adopting finned heat dissipation cooling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116779292A (en) * 2023-07-13 2023-09-19 深圳市万志宇科技有限公司 Multi-winding transformer
CN116779292B (en) * 2023-07-13 2024-05-07 深圳市万志宇科技有限公司 Multi-winding transformer
CN117116613A (en) * 2023-10-19 2023-11-24 河南鼎冠电力科技有限公司 Large-capacity rectifier transformer cooling device adopting finned heat dissipation cooling
CN117116613B (en) * 2023-10-19 2024-01-09 河南鼎冠电力科技有限公司 Large-capacity rectifier transformer cooling device adopting finned heat dissipation cooling

Similar Documents

Publication Publication Date Title
CN218159915U (en) Oil-immersed transformer with prevent subsiding with stirring structure
CN216366886U (en) Environment-friendly water treatment facility is with improved generation filter element subassembly
CN215919410U (en) Welding slag cleaning brush with laser automatic tracking function in spiral welded pipe production
CN116598099A (en) Oil immersed transformer capable of circularly filtering oil
CN215890475U (en) Vertical multi-stage pump
CN113757067A (en) Sedimentation tank desilting is with portable water pump that has anti-blocking structure
CN220378554U (en) Magnetic drive pump convenient to overhaul
CN111780194A (en) Automatic cleaning mechanism of range hood
CN220791608U (en) Anti-blocking device of submerged pump
CN112283117A (en) Energy-saving pump with function of preventing particle impurities from eroding blades
CN214742156U (en) Remote liquid level control water shortage prevention pump boiling device
CN212480083U (en) Silt sedimentation cup for speed reducer
CN213808104U (en) Automatic pressure filtration's quartz sand production is with subsiding quick-witted water pump
CN216149088U (en) Used oil refines and uses gunbarrel with heat preservation mechanism
CN211536823U (en) Filter equipment of immersible pump
CN213204031U (en) River sluice device for water conservancy project with high-efficiency filtration
CN216407005U (en) Novel diesel engine oil tank
CN219580008U (en) Ship ballast water prefilter mechanism
CN216457367U (en) No negative pressure water supply equipment with self-cleaning function
CN220513552U (en) Oil-water separation equipment
CN220968314U (en) Conveying device for lubricating oil processing
CN217341806U (en) Lubricant tank waste oil cleaning and recycling device
CN217096033U (en) Grinding device for hydraulic component
CN219424401U (en) Sulfonation reaction bin convenient to clear up
CN215585943U (en) Prevent that steam impurity from getting into filter equipment of cheese

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant