CN219476462U - High-stability dry-type transformer - Google Patents

Abstract

The application relates to a high stable dry-type transformer relates to transformer technical field, and it includes the base, sets up the iron core on the base, the coil on the iron core is located to the cover and is used for fixed iron core's mount, the cover is equipped with insulating cover on the coil, is provided with the fixed plate on the mount, and one side that the fixed plate is close to the iron core is provided with the limiting plate that is used for spacing iron core, and one side that the mount kept away from the base is provided with the fixed establishment who is used for fixed plate. This application has the effect that makes the iron core be difficult to take place to remove in the vertical direction.

Description

High-stability dry-type transformer

Technical Field

The application relates to the technical field of transformers, in particular to a high-stability dry-type transformer.

Background

The transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core. The transformer mainly has the functions of voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like, is important equipment in power generation, power supply and power utilization enterprises, and is also in a very critical position in a power grid.

In the related art, a dry type transformer refers to a transformer in which windings are not immersed in insulating oil. The dry-type transformer comprises an iron core composed of silicon steel sheets, coil windings cast by epoxy resin, a fixing frame used for fixing the iron core and a base used for placing the coil windings, wherein an insulating sleeve used for installing and sleeving the coil windings is arranged on the base, the coil windings are sleeved on the iron core, the fixing frame is arranged on one side, far away from the base, of the insulating sleeve, the iron core is placed between the fixing frames, a flexible pull belt is arranged on one side, far away from the ground, of the fixing frame, and the iron core is limited in the vertical direction through the pull belt and the fixing frame, so that the iron core is not easy to send and move.

For the related art in the above, the following drawbacks are found: when the dry-type transformer works for a long time, the iron core vibrates due to magnetostriction, the flexible drawstring is easy to deform due to the influence of the vibration of the iron core, the iron core is not easy to move in the vertical direction, and the improvement space is provided.

Disclosure of Invention

In order to prevent the iron core from moving in the vertical direction, the application provides a high-stability dry-type transformer.

The application provides a high stable dry-type transformer adopts following technical scheme:

the utility model provides a high stable dry-type transformer, includes the base, set up in iron core, cover on the base are located coil on the iron core and be used for fixing the mount of iron core, the cover is equipped with insulating cover on the coil, be provided with the fixed plate on the mount, the fixed plate is close to one side of iron core is provided with and is used for spacing the limiting plate of iron core, the mount is kept away from one side of base is provided with and is used for fixing fixed mechanism of fixed plate.

Through adopting above-mentioned technical scheme, fix the fixed plate through fixed establishment to make the fixed plate fix the limiting plate, the limiting plate is spacing to the iron core, thereby makes the iron core be difficult to take place to remove in vertical direction.

Optionally, the fixed establishment include the spliced pole, set up in fixed block and threaded connection on the spliced pole in regulating part on the spliced pole, the fixed block is located the spliced pole is close to one side of base, the regulating part is located the spliced pole is kept away from one side of fixed block, the mount with all offer the confession on the fixed plate the spliced pole wears to establish and place the hole.

Through adopting above-mentioned technical scheme, set up on the spliced pole through the fixed block, regulating part threaded connection is on the spliced pole to conveniently adjust the distance between regulating part and the fixed block, and wear to establish and place on mount and fixed plate through the spliced pole, thereby make things convenient for the operator to install the fixed plate on the mount, make the fixed plate be difficult to drop from the mount.

Optionally, a limiting groove for placing and limiting the fixing block is formed in the fixing frame, and the limiting groove is communicated with the placing hole.

Through adopting above-mentioned technical scheme, offer the spacing groove on the mount, place and spacing in the spacing inslot through the fixed block to reduce the total volume that occupies between mount and the fixed block, and make the fixed block be difficult to take place to rotate.

Optionally, an adjusting spring is sleeved on the connecting column, and the adjusting spring is located between the adjusting piece and the fixing plate.

Through adopting above-mentioned technical scheme, the cover establishes adjusting spring on the spliced pole, adjusts the distance between regulating part and the fixed plate through adjusting spring to make not directly contradict between regulating part and the fixed plate, reduce the wearing and tearing that regulating part and fixed plate take place, extension regulating part and the life of fixed plate.

Optionally, a gasket is sleeved on the connecting column, and the gasket is located at two ends of the adjusting spring.

Through adopting above-mentioned technical scheme, overlap on the spliced pole and establish the gasket, increase the area of contact between both ends of adjusting spring and regulating part and the fixed plate respectively through the gasket.

Optionally, a driving mechanism for connecting the limiting plate is arranged on one side, close to the limiting plate, of the fixing plate, and the driving mechanism drives the limiting plate to move towards the direction, close to the iron core.

Through adopting above-mentioned technical scheme, set up actuating mechanism on the fixed plate, remove to the direction that is close to the iron core through actuating mechanism drive limiting plate to make the limiting plate compress tightly the iron core all the time.

Optionally, the actuating mechanism include the fixed column, overlap locate actuating spring on the fixed column, set up in mounting panel of fixed column one end and set up in the stopper of fixed column other end, the mounting panel set up in on the limiting plate, set up on the fixed plate and supply the hole of wearing that the fixed column worn to establish, the stopper with it is spacing mutually to wear to establish the hole.

Through adopting above-mentioned technical scheme, make limiting plate compress tightly the iron core all the time through drive spring, be fixed in the limiting plate with the fixed column through the mounting panel is convenient, and through stopper and wear to establish the hole spacing mutually to make the fixed column be difficult to drop from the fixed plate.

Optionally, a placement groove for placing the limiting block is formed in the fixing plate.

Through adopting above-mentioned technical scheme, offer the standing groove on the fixed plate, through placing the stopper in the standing groove to reduce the total volume that fixed plate and stopper occupy.

Optionally, a buffer block for buffering is arranged on one side of the limiting plate, which is close to the iron core.

Through adopting above-mentioned technical scheme, set up the buffer block on the limiting plate, cushion through the buffer block, and make limiting plate and iron core non-direct contact to reduce the wearing and tearing between limiting plate and the iron core, extension limiting plate and the life of iron core.

Optionally, a buffer groove for placing the iron core is formed in one side, close to the iron core, of the buffer block.

Through adopting above-mentioned technical scheme, offer the dashpot on the buffer block, through placing the iron core in the dashpot to increase the area of contact between iron core and the buffer block.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fixing mechanism is used for fixing the fixing plate, so that the fixing plate is used for fixing the limiting plate, and the limiting plate is used for limiting the iron core, so that the iron core is not easy to move in the vertical direction;

2. the fixing block is arranged on the connecting column, and the adjusting piece is in threaded connection with the connecting column, so that the distance between the adjusting piece and the fixing block is conveniently adjusted, and the fixing block is arranged on the fixing frame and the fixing plate in a penetrating way through the connecting column, so that an operator can conveniently install the fixing plate on the fixing frame, and the fixing plate is not easy to fall off from the fixing frame;

3. the limiting groove is formed in the fixing frame, and the fixing block is placed and limited in the limiting groove, so that the total volume occupied between the fixing frame and the fixing block is reduced, and the fixing block is not easy to rotate.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a high-stability dry-type transformer in an embodiment of the present application.

Fig. 2 is a cross-sectional view of the iron core, the fixing frame, the fixing plate, the limiting plate, the fixing mechanism and the driving mechanism in the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals illustrate: 1. a base; 2. an iron core; 3. a coil; 4. a fixing frame; 5. an insulating sleeve; 6. a fixing plate; 7. a limiting plate; 8. a fixing mechanism; 9. a connecting column; 10. a fixed block; 11. an adjusting member; 12. placing the hole; 13. a limit groove; 14. an adjusting spring; 15. a gasket; 16. a driving mechanism; 17. fixing the column; 18. a drive spring; 19. a mounting plate; 20. a limiting block; 21. penetrating holes; 22. a placement groove; 23. a buffer block; 24. and a buffer tank.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

Referring to fig. 1, an embodiment of the present application discloses a high-stability dry-type transformer, which includes a base 1, an iron core 2, a coil 3 and a fixing frame 4. The iron core 2 is all installed in the one side that the ground was kept away from to base 1 with mount 4, and iron core 2 is located the inside of mount 4, and mount 4 is fixed iron core 2, and coil 3 cover is located on iron core 2, and the cover is equipped with insulating cover 5 on the coil 3, makes the external world be difficult to produce the influence to coil 3 through insulating cover 5.

Referring to fig. 1 and 2, a fixing plate 6 is installed on one side of the fixing frame 4 far away from the base 1, the length direction of the fixing plate 6 is perpendicular to the length direction of the fixing frame 4, a limiting plate 7 for limiting the iron core 2 is installed on one side of the fixing plate 6 near the iron core 2, and the iron core 2 is limited in the vertical direction through the limiting plate 7, so that the position of the iron core 2 is not easy to move. In this embodiment, three fixing plates 6 and three limiting plates 7 are disposed, and the three fixing plates 6 are disposed equidistantly along the length direction of the fixing frame 4.

Referring to fig. 1 and 2, a driving mechanism 16 for connecting the limiting plate 7 is installed on one side, close to the limiting plate 7, of the fixing plate 6, the driving mechanism 16 comprises a fixing column 17, a driving spring 18, a mounting plate 19 and a limiting block 20, a penetrating hole 21 for the fixing column 17 to penetrate and slide is formed in the fixing plate 6, the mounting plate 19 is installed at one end, close to the limiting plate 7, of the fixing column 17, the direct contact area between the fixing column 17 and the limiting plate 7 is increased through the mounting plate 19, and therefore an operator can conveniently install the fixing column 17 on the limiting plate 7, and the limiting plate 7 is not easy to fall off from the mounting plate 19.

Referring to fig. 1 and 2, the stopper 20 is integrally disposed on a side of the fixing post 17 away from the mounting plate 19, the diameter of the stopper 20 is greater than that of the through hole 21, and the stopper 20 and the through hole 21 are mutually limited. The standing groove 22 for placing the limiting block 20 is formed in the fixed plate 6, and the depth of the standing groove 22 is equal to the thickness of the limiting block 20, so that when the limiting block 20 is placed in the standing groove 22, the limiting block 20 is flush with the fixed plate 6, and the whole volume occupied by the limiting block 20 and the fixed plate 6 is reduced.

Referring to fig. 1 and 2, the driving spring 18 is sleeved on the fixing post 17, one end of the driving spring 18 is abutted against the fixing plate 6, and one end of the driving spring 18, which is far away from the fixing plate 6, is abutted against the mounting plate 19, so that when the limiting plate 7 limits the iron core 2 in the vertical direction, the limiting plate 7 is driven to move towards the direction close to the iron core 2 by the driving spring 18, so that the limiting plate 7 is always abutted against the iron core 2, and further the iron core 2 is not easy to move in the vertical direction.

Referring to fig. 1 and 2, a buffer block 23 for buffering is mounted on one side of the limiting plate 7, which is close to the iron core 2, through the epoxy resin glue, the limiting plate 7 and the iron core 2 are buffered through the buffer block 23, and the limiting plate 7 and the iron core 2 are not in direct contact, so that abrasion between the limiting plate 7 and the iron core 2 is reduced, and the service lives of the limiting plate 7 and the iron core 2 are prolonged.

Referring to fig. 1 and 2, a buffer groove 24 in which the iron core 2 is placed is formed in a side of the buffer block 23 close to the iron core 2, and a groove wall of the buffer groove 24 is closely contacted with the iron core 2, so that a contact area between the buffer block 23 and the iron core 2 is increased.

Referring to fig. 2 and 3, a fixing mechanism 8 for fixing the fixing plate 6 is installed at a side of the fixing frame 4 remote from the ground, and the fixing mechanism 8 is symmetrically disposed about a middle position along a length direction of the fixing plate 6. The fixing mechanism 8 comprises a connecting column 9, a fixing block 10 and an adjusting piece 11, wherein the fixing frame 4 and the fixing plate 6 are respectively provided with a placing hole 12 for the connecting column 9 to penetrate through and be placed, the fixing block 10 is integrally arranged on one side, close to the fixing frame 4, of the connecting column 9, the adjusting piece 11 is in threaded connection with one side, far away from the fixing block 10, of the connecting column 9, and the fixing plate 6 is conveniently installed on the fixing frame 4 through rotating the adjusting piece 11, so that the fixing plate 6 is not easy to fall off from the fixing frame 4. And the distance between the adjusting piece 11 and the fixed block 10 is adjusted, so that the fixed block 10 is convenient to be installed on the fixed frames 4 with different thicknesses.

Referring to fig. 2 and 3, a limiting groove 13 for placing and limiting the fixing block 10 is formed in the fixing frame 4, and the limiting groove 13 is communicated with the placing hole 12. The depth of the limiting groove 13 is equal to the thickness of the fixed block 10, so that when the fixed block 10 is placed and limited in the limiting groove 13, the fixed block 10 is flush with the fixed frame 4, and the total volume occupied by the fixed block 10 and the fixed frame 4 is reduced.

Referring to fig. 2 and 3, the connecting column 9 is provided with an adjusting spring 14, one side of the adjusting spring 14 close to the adjusting member 11 is abutted against the adjusting member 11, and one side of the adjusting spring 14 far from the adjusting member 11 is abutted against the fixing plate 6. The distance between the adjusting piece 11 and the fixed plate 6 is adjusted through the adjusting spring 14, so that the adjusting piece 11 and the fixed plate 6 are not directly abutted, abrasion between the adjusting piece 11 and the fixed plate 6 is reduced, the service life of the adjusting piece 11 and the service life of the fixed plate 6 are prolonged, the fixed plate 6 is driven to move towards the direction close to the fixed frame 4 through the adjusting spring 14, and the fixed plate 6 is always abutted to the fixed frame 4.

Referring to fig. 2 and 3, the connecting post 9 is sleeved with gaskets 15, and the gaskets 15 are positioned at two ends of the adjusting spring 14. The adjusting spring 14 is not directly abutted with the fixed plate 6 through the gasket 15, so that abrasion between the adjusting spring 14 and the fixed plate 6 is reduced, and the service lives of the adjusting spring 14 and the fixed plate 6 are prolonged. And the adjusting spring 14 is not directly abutted with the adjusting piece 11, so that abrasion between the adjusting spring 14 and the adjusting piece 11 is reduced, and the service lives of the adjusting spring 14 and the adjusting piece 11 are prolonged.

The implementation principle of the high-stability dry-type transformer provided by the embodiment of the application is as follows:

1. when iron core 2 had vertical ascending removal trend, iron core 2 drove buffer block 23 and removes, and buffer block 23 drives limiting plate 7 and removes, and limiting plate 7 drives mounting panel 19 and removes, and mounting panel 19 extrudees drive spring 18 to order about mounting panel 19 to be close to the direction of iron core 2 after making drive spring 18 receive the power and remove, thereby order about buffer block 23 reverse compresses tightly iron core 2, thereby makes iron core 2 be difficult to take place to remove. And when the driving spring 18 is fully compressed, the fixing plate 6 is driven to move, and the adjusting springs 14 at the two ends of the fixing plate 6 are forced to drive the fixing plate 6 to move towards the direction close to the iron core 2, so that the buffer block 23 is further driven to reversely compress the iron core 2, the iron core 2 is always subjected to vertical downward force, and the iron core 2 is not easy to move along the vertical direction at will.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. A high stability dry-type transformer, characterized in that: including base (1), set up in iron core (2) on base (1), cover are located coil (3) on iron core (2) and be used for fixing mount (4) of iron core (2), the cover is equipped with insulating cover (5) on coil (3), be provided with fixed plate (6) on mount (4), fixed plate (6) are close to one side of iron core (2) is provided with and is used for spacing limiting plate (7) of iron core (2), mount (4) are kept away from one side of base (1) is provided with and is used for fixing fixed establishment (8) of fixed plate (6).

2. A highly stable dry transformer as claimed in claim 1, wherein: the fixing mechanism (8) comprises a connecting column (9), a fixing block (10) arranged on the connecting column (9) and an adjusting piece (11) in threaded connection with the connecting column (9), wherein the fixing block (10) is positioned on one side, close to the base (1), of the connecting column (9), the adjusting piece (11) is positioned on one side, far away from the fixing block (10), of the connecting column (9), and a placing hole (12) for the connecting column (9) to penetrate through and place is formed in the fixing frame (4) and the fixing plate (6).

3. A highly stable dry transformer as claimed in claim 2, wherein: the fixing frame (4) is provided with a limiting groove (13) for placing and limiting the fixing block (10), and the limiting groove (13) is communicated with the placing hole (12).

4. A highly stable dry transformer as claimed in claim 2, wherein: an adjusting spring (14) is sleeved on the connecting column (9), and the adjusting spring (14) is located between the adjusting piece (11) and the fixing plate (6).

5. The high stability dry-type transformer of claim 4, wherein: and gaskets (15) are sleeved on the connecting columns (9), and the gaskets (15) are positioned at two ends of the adjusting spring (14).

6. A highly stable dry transformer as claimed in claim 2, wherein: one side of the fixed plate (6) close to the limiting plate (7) is provided with a driving mechanism (16) used for connecting the limiting plate (7), and the driving mechanism (16) drives the limiting plate (7) to move towards the direction close to the iron core (2).

7. The high stability dry-type transformer of claim 6, wherein: the driving mechanism (16) comprises a fixing column (17), a driving spring (18) sleeved on the fixing column (17), a mounting plate (19) arranged at one end of the fixing column (17) and a limiting block (20) arranged at the other end of the fixing column (17), wherein the mounting plate (19) is arranged on the limiting plate (7), a penetrating hole (21) for the fixing column (17) to penetrate through is formed in the fixing plate (6), and the limiting block (20) and the penetrating hole (21) are mutually limited.

8. The high stability dry-type transformer of claim 7, wherein: the fixing plate (6) is provided with a placing groove (22) for placing the limiting block (20).

9. A highly stable dry transformer as claimed in claim 2, wherein: one side of the limiting plate (7) close to the iron core (2) is provided with a buffer block (23) for buffering.

10. The high stability dry-type transformer of claim 9, wherein: one side of the buffer block (23) close to the iron core (2) is provided with a buffer groove (24) for placing the iron core (2).