CN217157868U

CN217157868U - Oil-immersed transformer shell structure

Info

Publication number: CN217157868U
Application number: CN202122955591.6U
Authority: CN
Inventors: 张爱民
Original assignee: Jiangxi Gandian Electric Co ltd
Current assignee: Jiangxi Gandian Electric Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-08-09
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses an oil-immersed transformer shell structure, which comprises an outer shell body, the side of shell body is fixed with a plurality of fin, roof one and bottom plate one are installed respectively at both ends about one side of shell body, and rotate between bottom plate one and the roof one and install reciprocal lead screw one, the top fixed mounting of roof one has gear motor, the top of reciprocal lead screw one is passed the roof in the lump with gear motor's output shaft fixed connection, the square frame has been cup jointed in the outside of shell body, and nut fixed connection on square frame and the reciprocal lead screw one, the internal fixed surface of square frame installs a plurality of thin poles. The utility model discloses an at the interior surface mounting dust removal brush of square frame, recycle gear motor and the cooperation of reciprocal lead screw one, drive the square frame and carry out elevating movement to just can utilize the dust removal brush to clear away the impurity of adhesion on the fin, ensured the heat dispersion of fin, improved the safety in utilization of transformer.

Description

Oil-immersed transformer shell structure

Technical Field

The utility model relates to an oil-immersed transformer technical field specifically is an oil-immersed transformer shell structure.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and is commonly used for voltage lifting, impedance matching, safety isolation and the like. The oil-immersed transformer adopts heat conduction oil to realize heat dissipation, and a common heat dissipation structure of the oil-immersed transformer is a heat dissipation sheet, and a channel for circulating the heat conduction oil is formed in the sheet.

The existing immersed transformer shell is not provided with a dust removal structure, and because some transformers need to run outdoors for a long time, more and more impurities such as dust and the like are bound on a heat dissipation sheet, so that the heat dissipation performance of the transformer is gradually reduced, and the actual use effect is poor.

Disclosure of Invention

An object of the utility model is to provide an oil-immersed transformer shell structure 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: the utility model provides an oil-immersed transformer shell structure, includes the shell body, the side of shell body is fixed with a plurality of fin, roof one and bottom plate one are installed respectively at both ends about one side of shell body, and rotate between bottom plate one and the roof one and install reciprocal lead screw one, the top fixed mounting of roof one has gear motor, the top of reciprocal lead screw one is passed the roof in the lump with gear motor's output shaft fixed connection, the square frame has been cup jointed in the outside of shell body, and nut fixed connection on square frame and the reciprocal lead screw one, the internal surface fixed mounting of square frame has a plurality of thin poles, and installs the dust removal brush on the thin pole, the opposite side of shell body is provided with supporting component, gear motor and external power supply electric connection.

Preferably, the supporting assembly comprises a second bottom plate, a second top plate and a second reciprocating screw rod, the second top plate and the second bottom plate are respectively fixed at the upper end and the lower end of the other side of the shell body, the second reciprocating screw rod is rotatably installed between the second bottom plate and the second top plate, a nut on the second reciprocating screw rod is fixedly connected with the square frame, and the top end of the second reciprocating screw rod is in transmission connection with the reciprocating screw rod through a transmission assembly.

Preferably, the transmission assembly comprises a chain and two first chain wheels, the two first chain wheels are respectively installed at the top ends of the first reciprocating screw rod and the second reciprocating screw rod, and the two first chain wheels are in transmission connection through the chain.

Preferably, a protection box is installed on the top end of the shell body, and the chain and the two chain wheels are located inside the protection box.

Preferably, the protection box is provided with an observation port, and a transparent plate is fixedly arranged inside the observation port.

Preferably, the side fixed mounting of protection box has the air spring, the one end of air spring runs through the inside that extends to protection box and is fixed with the U-shaped frame, and rotates on the U-shaped frame and install sprocket two, sprocket two meshes with the chain mutually.

Compared with the prior art, the beneficial effects of the utility model are that: 1. this oil-immersed transformer shell structure through the internal surface mounting at the square frame brush that removes dust, recycles gear motor and reciprocal lead screw cooperation, drives the square frame and carries out elevating movement to just can utilize the brush that removes dust to clear away the impurity of adhesion on the fin, ensure the heat dispersion of fin, improve the safety in utilization of transformer.

2. This oil-immersed transformer shell structure, through setting up supporting component, on the one hand, two reciprocating screw rods follow reciprocating screw rod synchronous rotations and can improve the stability of square frame at the lift in-process, and on the other hand, two reciprocating screw rods also play spacing support's effect, can prevent that the position deviation from appearing because of the rotation of reciprocating screw rod one in the square frame, ensure that the brush that removes dust can be smooth and fin contact.

3. This oil-immersed transformer shell structure through setting up drive assembly, utilizes two sprocket one of chain cooperation, can realize the synchronous rotation of reciprocal lead screw one and reciprocal lead screw two, and stability is high.

4. This oil-immersed transformer shell structure through setting up air spring and sprocket two, utilizes the elasticity that the air spring pressurized back produced to compress tightly the chain, makes it keep the tensioning state throughout, can avoid the phenomenon that the chain drops to take place.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

fig. 2 is a schematic overall top view structure of the present invention;

FIG. 3 is a schematic top view of a partial cross-sectional structure of the protective box of the present invention;

fig. 4 is a schematic view of the top view of the gas spring of the present invention.

In the figure: 1. a housing body; 2. a first bottom plate; 3. a first top plate; 4. a first reciprocating screw rod; 5. a reduction motor; 6. a square frame; 7. a thin rod; 8. a dust removal brush; 9. a heat sink; 10. a second bottom plate; 11. a second top plate; 12. a second reciprocating screw rod; 13. a chain wheel I; 14. a chain; 15. a protective box; 16. a viewing port; 17. a transparent plate; 18. a gas spring; 19. a U-shaped frame; 20. and a second chain wheel.

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.

As shown in fig. 1 to 4, the oil-immersed transformer shell structure of the embodiment includes a shell body 1, a plurality of cooling fins 9 are fixed on a side surface of the shell body 1, a top plate one 3 and a bottom plate one 2 are respectively installed at upper and lower ends of one side of the shell body 1, a reciprocating screw rod one 4 is rotatably installed between the bottom plate one 2 and the top plate one 3, a speed reduction motor 5 is fixedly installed at a top end of the top plate one 3, a top end of the reciprocating screw rod one 4 penetrates through the top plate one 3 and is fixedly connected with an output shaft of the speed reduction motor 5, a square frame 6 is sleeved on an outer side of the shell body 1, the square frame 6 is fixedly connected with a nut on the reciprocating screw rod one 4, a plurality of thin rods 7 are fixedly installed on an inner surface of the square frame 6, a dust removal brush 8 is installed on the thin rods 7, a support assembly is arranged on the other side of the shell body 1, and the speed reduction motor 5 is electrically connected with an external power supply; through the internal surface mounting at square frame 6 dust removal brush 8, reuse gear motor 5 and reciprocal lead screw 4's cooperation, drive square frame 6 and carry out elevating movement to just can utilize dust removal brush 8 to clear away the impurity of adhesion on the fin 9, ensure the heat dispersion of fin 9, improve the safety in utilization of transformer.

Specifically, the supporting assembly comprises a second bottom plate 10, a second top plate 11 and a second reciprocating screw rod 12, the second top plate 11 and the second bottom plate 10 are respectively fixed at the upper end and the lower end of the other side of the shell body 1, the second reciprocating screw rod 12 is rotatably installed between the second bottom plate 10 and the second top plate 11, a nut on the second reciprocating screw rod 12 is fixedly connected with the square frame 6, and the top end of the second reciprocating screw rod 12 is in transmission connection with the first reciprocating screw rod 4 through a transmission assembly; through setting up supporting component, on the one hand, the synchronous rotation of two 12 reciprocating screw rods following one 4 reciprocating screw rods can improve the stability of frame 6 in the lift process, and on the other hand, two 12 reciprocating screw rods also play the effect of spacing support, can prevent position deviation from appearing because of the rotation of one 4 reciprocating screw rods in frame 6, ensure that the brush 8 that removes dust can be smooth contact with fin 9.

Further, the transmission assembly comprises a chain 14 and two chain wheels I13, the two chain wheels I13 are respectively installed at the top ends of the reciprocating screw rod I4 and the reciprocating screw rod II 12, and the two chain wheels I13 are in transmission connection through the chain 14; through setting up drive assembly, utilize two sprocket 13 of chain 14 cooperation, can realize the synchronous rotation of reciprocal lead screw one 4 and reciprocal lead screw two 12, stability is high.

Further, a protective box 15 is mounted at the top end of the shell body 1, and the chain 14 and the two chain wheels I13 are both located inside the protective box 15; through setting up protection box 15, can carry out effectual protection to chain 14 and two sprocket 13 to the life of chain 14 has been prolonged.

Further, the protective box 15 is provided with an observation port 16, and a transparent plate 17 is fixedly installed inside the observation port 16; through setting up viewing aperture 16 and transparent plate 17, make things convenient for the staff to observe the condition inside protection box 15.

Furthermore, a gas spring 18 is fixedly mounted on the side surface of the protection box 15, one end of the gas spring 18 penetrates through the protection box 15 and extends into the protection box 15, a U-shaped frame 19 is fixed on the gas spring, a second chain wheel 20 is rotatably mounted on the U-shaped frame 19, and the second chain wheel 20 is meshed with the chain 14; by arranging the gas spring 18 and the second chain wheel 20, the chain 14 is pressed by the elastic force generated after the gas spring 18 is pressed, so that the chain 14 can be always kept in a tensioning state, and the phenomenon that the chain 14 falls off can be avoided.

The using method of the embodiment comprises the following steps: when the dust on the surface of the radiating fin 9 needs to be cleaned, the speed reducing motor 5 is started to drive the reciprocating screw rod 4 to rotate, and meanwhile, under the matching action of the chain 14 and the two chain wheels I13, the reciprocating screw rod II 12 can synchronously rotate along with the reciprocating screw rod I4, thereby driving the frame 6 to move downwards, leading the dust removing brush 8 arranged on the slender rod 7 to clean the dust adhered on the surface of the radiating fin 9, when the block 6 is lowered to the lowest position, the block 6 starts to rise along with the continuous rotation of the first reciprocating screw rod 4 and the second reciprocating screw rod 12 until the block returns to the highest position, and the process is repeated, the surface of the radiating fin 9, the air spring 18 and the second chain wheel 20 can be cleaned to the maximum extent, the chain 14 is pressed by the elastic force generated after the air spring 18 is pressed, the chain can be always kept in a tensioning state, and the phenomenon that the chain 14 falls off can be avoided.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an oil-immersed transformer shell structure, includes housing body (1), the side of housing body (1) is fixed with a plurality of fin (9), its characterized in that: roof (3) and bottom plate (2) are installed respectively at both ends about one side of shell body (1), and rotate between bottom plate (2) and roof (3) and install reciprocal lead screw (4), the top fixed mounting of roof (3) has gear motor (5), the top of reciprocal lead screw (4) is passed roof (3) and with the output shaft fixed connection of gear motor (5), square frame (6) have been cup jointed in the outside of shell body (1), and nut fixed connection on square frame (6) and reciprocal lead screw (4), the internal surface fixed mounting of square frame (6) has a plurality of thin poles (7), and installs on thin pole (7) and remove dust brush (8), the opposite side of shell body (1) is provided with supporting component.

2. An oil filled transformer casing structure according to claim 1, characterized in that: the supporting assembly comprises a second bottom plate (10), a second top plate (11) and a second reciprocating screw rod (12), the second top plate (11) and the second bottom plate (10) are respectively fixed at the upper end and the lower end of the other side of the shell body (1), the second reciprocating screw rod (12) is rotatably installed between the second bottom plate (10) and the second top plate (11), a nut on the second reciprocating screw rod (12) is fixedly connected with the square frame (6), and the top end of the second reciprocating screw rod (12) is in transmission connection with the first reciprocating screw rod (4) through a transmission assembly.

3. An oil filled transformer casing structure according to claim 2, characterized in that: the transmission assembly comprises a chain (14) and two first chain wheels (13), the two first chain wheels (13) are respectively installed at the top ends of the first reciprocating screw rod (4) and the second reciprocating screw rod (12), and the two first chain wheels (13) are in transmission connection through the chain (14).

4. An oil filled transformer casing structure according to claim 3, characterized in that: protection box (15) are installed on the top of shell body (1), chain (14) and two sprocket (13) all are located the inside of protection box (15).

5. An oil filled transformer casing structure according to claim 4, characterized in that: an observation port (16) is formed in the protective box (15), and a transparent plate (17) is fixedly mounted inside the observation port (16).

6. An oil filled transformer casing structure according to claim 4, characterized in that: the side fixed mounting of protection box (15) has air spring (18), the one end of air spring (18) runs through the inside that extends to protection box (15) and is fixed with U-shaped frame (19), and rotates on U-shaped frame (19) and install sprocket two (20), sprocket two (20) and chain (14) mesh mutually.