CN214848114U

CN214848114U - Built-in variable box-type clamping piece for power transformer oil tank

Info

Publication number: CN214848114U
Application number: CN202121041882.8U
Authority: CN
Inventors: 刘剑锋
Original assignee: Wuhan Feipu General Equipment Co ltd
Current assignee: Wuhan Feipu General Equipment Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-23
Anticipated expiration: 2031-05-14

Abstract

The utility model provides a built-in variable box-type folder of power transformer oil tank relates to transformer technical field, which comprises an outer shell, the inside of shell is equipped with the installation frame, and installation frame and shell swing joint, and the installation frame runs through the shell top, and the height that highly is less than the shell of installation frame, the bottom of installation frame is fixed with the limiting plate, and the inside swing joint of limiting plate and shell. Be equipped with the shell in the outside of transformer folder, installation frame and shell swing joint, after the installation frame is fixed the iron core with the folder in the shell outside, the installation frame slides in the shell, and the shell is whole to have firm effect to the folder this moment, has avoided the folder at the in-process atress deformation that uses, and this kind of design makes transformer folder overall stability strengthen, and is difficult not hard up, has improved the life of product.

Description

Built-in variable box-type clamping piece for power transformer oil tank

Technical Field

The utility model relates to a transformer technical field especially relates to a built-in variable box-type folder of power transformer oil tank.

Background

The transformer clamp is an important component of the transformer for clamping the iron core and supporting the whole transformer, and the appearance of the clamp is a first impression of influencing the transformer to users. The traditional transformer clamping piece generally adopts the existing channel steel or rectangular steel pipe to directly clamp the iron core, and because the iron core is not designed according to the shape characteristics of the transformer iron core completely, a plurality of auxiliary pieces are generally added when the channel steel or rectangular steel pipe is used for clamping the iron core. The stress range of the channel steel or the rectangular steel pipe is limited. When the auxiliary parts mounted on the transformer clamping pieces are too many or the stress on the transformer clamping pieces is too large, the transformer clamping pieces can be completely deformed, the appearance is not attractive, and the clamping and supporting effects on the transformer iron core are reduced.

According to patent No. CN208637268U, an oil-immersed transformer folder is disclosed, which belongs to the technical field of transformers. The steel plate bending type lifting device comprises an upper clamping piece and a lower clamping piece, wherein the upper clamping piece is a U-shaped groove formed by bending a steel plate, the bottom of the upper clamping piece is upward, a plurality of outward L-shaped upper connecting plates are arranged in front of and behind two vertical surfaces and welded, three heat dissipation ports are formed in the bottom of the upper clamping piece corresponding to the position of an iron core, lifting plates which are cut at the bottom of the upper clamping piece and bent upward are arranged at four corners of the bottom of the upper clamping piece, and lifting holes which are opened towards the outer side are formed in the lifting plates; folder is the integrated into one piece structure of two U type risers and a U type kerve down, U type kerve tank bottom is downward, before two vertical faces of U type kerve to setting up and corresponding the upper junction plate is equipped with a plurality of outside L type lower junction plates, U type riser inside wall middle part transversely is equipped with and presss from both sides tight structure, it is equipped with a plurality of screws that run through U type riser to press from both sides tight structural. The utility model discloses simple manufacture, it is with low costs, fixed effectual and the iron core heat dissipation of being convenient for.

Most of clamping pieces of the existing power transformer are exposed, the clamping pieces are made of four plate bodies, the positions of the upper portion and the lower portion, close to an iron core, of the clamping pieces are clamped mutually to ensure the stability of the iron core, the clamping pieces are independent and clamped from the upper portion and the lower portion of the clamping pieces close to the iron core, the overall stability of the clamping pieces is poor, and the clamping pieces are prone to loosening in the later period.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a built-in variable box type clamping piece for an oil tank of a power transformer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a built-in variable box-type folder of power transformer oil tank, includes the shell, the inside of shell is equipped with the installation frame, and installation frame and shell swing joint, and the installation frame runs through the shell top, and the height that highly is less than the shell of installation frame, the bottom of installation frame is fixed with the limiting plate, and the inside swing joint of limiting plate and shell.

Preferably, the inside of installation frame is equipped with mounting panel and lower mounting panel, and goes up the mounting panel and install frame swing joint with lower mounting panel respectively, and goes up the mounting panel and be located same vertical plane with lower mounting panel.

Preferably, the installation frame is that inside is equipped with punch holder and lower plate, and punch holder and lower plate respectively with installation frame swing joint, and punch holder and last mounting panel are located same horizontal plane, and the lower plate is located same horizontal plane with lower mounting panel.

Preferably, the surface of going up mounting panel and mounting panel down is fixed with connecting bolt respectively, and connecting bolt runs through mounting panel and mounting panel down respectively, and connecting bolt respectively with punch holder and lower plate swing joint, and connecting bolt runs through punch holder and lower plate respectively, connecting bolt's one end is equipped with fastening nut, and fastening nut and connecting bolt threaded connection.

Preferably, the bottom surface of going up the mounting panel is equipped with the threaded rod respectively with the top surface of lower mounting panel, and the threaded rod runs through mounting panel bottom surface and lower mounting panel top surface respectively, and the axis coincidence of threaded rod, be equipped with the connecting pipe between the threaded rod, and the connecting pipe respectively with threaded rod threaded connection, the inside of connecting pipe is equipped with the thread groove, and the thread groove respectively with threaded rod threaded connection, the external fixed surface of connecting pipe has fixation nut.

Preferably, the spout has been seted up on the surface of lower plate, and the spout runs through the lower plate, the draw-in groove has been seted up to lower plate surface array, and the draw-in groove runs through the lower plate, and the draw-in groove runs through the spout top surface, be equipped with the sliding frame in the spout, and sliding frame and spout sliding connection, the inside positioning bolt that is equipped with of sliding frame, and positioning bolt and slider threaded connection, and positioning bolt runs through the sliding frame top.

Preferably, the front surface and the surface of the shell are provided with coil openings, the coil openings respectively penetrate through the front surface and the back surface of the shell, the side surface of the shell is provided with a heat dissipation opening, and the heat dissipation opening penetrates through the side surface of the shell.

Advantageous effects

The utility model discloses in, be equipped with the shell in the outside of transformer folder, installation frame and shell swing joint, after the installation frame is fixed the iron core with the folder outside the shell, the installation frame slides in the shell, and the shell is whole to have firm effect to the folder this moment, has avoided the folder at the in-process atress deformation that uses, and this kind of design makes transformer folder overall stability strengthen, is difficult not hard up, has improved the life of product.

The utility model discloses in, the back-and-forth movement about the punch holder in the installation frame and lower plate can, can come the not iron core of equidimension of centre gripping through the position of adjustment punch holder and lower plate, and this kind of design makes the product can be applicable to the fixed of the iron core of equidimension not in a flexible way, has reduced manufacturing cost.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is a structural view of the mounting frame of the present invention;

fig. 3 is a partial plan view of the present invention;

fig. 4 is a partial structural sectional view of the present invention.

Illustration of the drawings:

1. a mounting frame; 2. a housing; 3. a coil opening; 4. an upper mounting plate; 5. a connecting pipe; 6. a lower mounting plate; 7. a heat dissipation port; 8. fastening a nut; 9. an upper splint; 10. a lower splint; 11. a limiting plate; 12. a connecting bolt; 13. a threaded rod; 14. a sliding frame; 15. a card slot; 16. positioning the bolt; 17. a chute; 18. fixing a nut; 19. a thread groove.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a built-in variable box type clamp for a power transformer oil tank comprises a housing 2, wherein an installation frame 1 is arranged inside the housing 2, the installation frame 1 is movably connected with the housing 2, the installation frame 1 penetrates through the top of the housing 2, the height of the installation frame 1 is smaller than that of the housing 2, a limiting plate 11 is fixed at the bottom of the installation frame 1, and the limiting plate 11 is movably connected with the inside of the housing 2. The inside of installation frame 1 is equipped with mounting panel 4 and lower mounting panel 6, and goes up mounting panel 4 and lower mounting panel 6 respectively with installation frame 1 swing joint, and goes up mounting panel 4 and lower mounting panel 6 and be located same vertical plane. Installation frame 1 is inside to be equipped with punch holder 9 and lower plate 10, and punch holder 9 and lower plate 10 respectively with installation frame 1 swing joint, and punch holder 9 and last mounting panel 4 are located same horizontal plane, and lower plate 10 and lower mounting panel 6 are located same horizontal plane.

The surface of the upper mounting plate 4 and the surface of the lower mounting plate 6 are respectively fixed with a connecting bolt 12, the connecting bolt 12 respectively penetrates through the upper mounting plate 4 and the lower mounting plate 6, the connecting bolt 12 is respectively movably connected with an upper clamping plate 9 and a lower clamping plate 10, the connecting bolt 12 respectively penetrates through the upper clamping plate 9 and the lower clamping plate 10, one end of the connecting bolt 12 is provided with a fastening nut 8, and the fastening nut 8 is in threaded connection with the connecting bolt 12. The bottom surface of going up mounting panel 4 and the top surface of lower mounting panel 6 are equipped with threaded rod 13 respectively, and threaded rod 13 runs through mounting panel 4 bottom surface and lower mounting panel 6 top surface respectively, and the axis coincidence of threaded rod 13 is equipped with connecting pipe 5 between the threaded rod 13, and connecting pipe 5 respectively with threaded rod 13 threaded connection, the inside of connecting pipe 5 is equipped with thread groove 19, and thread groove 19 respectively with threaded rod 13 threaded connection, the external surface mounting of connecting pipe 5 has fixation nut 18. The surface of lower plate 10 has seted up spout 17, and spout 17 runs through lower plate 10, and lower plate 10 surface array has seted up draw-in groove 15, and draw-in groove 15 runs through lower plate 10, and draw-in groove 15 runs through spout 17 top surface, is equipped with smooth frame 14 in the spout 17, and smooth frame 14 and spout 17 sliding connection, and smooth frame 14 inside is equipped with positioning bolt 16, and positioning bolt 16 and slider threaded connection, and positioning bolt 16 runs through smooth frame 14 top. Coil mouth 3 is seted up on the front and the surface of shell 2, and coil mouth 3 runs through the front and the back of shell 2 respectively, and thermovent 7 has been seted up to the side of shell 2, and thermovent 7 runs through the side of shell 2.

The utility model discloses a theory of operation: when installing the iron core, first remove installation frame 1 from the shell 2, because of the function of the limiting plate 11, installation frame 1 can not completely remove the shell 2, then put the iron core into installation frame 1, first according to the height of the iron core, the height between the upper mounting plate 4 and the lower mounting plate 6, because the connecting pipe 5 is respectively connected with the threaded rod 13 by the thread of the internal thread groove 19, so only need to screw the fixed nut 18, the distance between the upper mounting plate 4 and the lower mounting plate 6 will change, then according to the width of the iron core, screw the fastening nut 8 will adjust the distance between the clamping plate and the mounting plate, finally, according to the number and thickness of the iron core, through adjusting the position of the sliding frame 14, because there is an adjusting plate inside the sliding frame 14, there is an adjusting plate that can adjust according to the number and thickness of the iron core, the diameter of the positioning bolt 16 in the sliding frame 14 is equal to the width of the clamping groove 15, this allows for a secure positioning of the slide frame 14.

Be equipped with shell 2 in the outside of transformer folder,

installation frame

1 and 2 swing joint of shell, after installation frame 1 is fixed the iron core with the folder in the 2 outsides of shell, installation frame 1 slides in

shell

2, and 2 whole have firm effect to the folder this moment, have avoided the folder at the in-process atress deformation that uses, and this kind of design makes transformer folder overall stability strengthen, and is difficult not hard up, has improved the life of product. The upper clamp plate 9 and the lower clamp plate 10 in the installation frame 1 can move from top to bottom and back, and can clamp iron cores of different sizes by adjusting the positions of the upper clamp plate 9 and the lower clamp plate 10, so that the product can be flexibly suitable for fixing the iron cores of different sizes, and the production cost is reduced.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a built-in variable box-type folder of power transformer oil tank, includes shell (2), its characterized in that: the inside of shell (2) is equipped with installation frame (1), and installation frame (1) and shell (2) swing joint, and installation frame (1) runs through shell (2) top, and the height that highly is less than shell (2) of installation frame (1), the bottom of installation frame (1) is fixed with limiting plate (11), and the inside swing joint of limiting plate (11) and shell (2).

2. A power transformer tank built-in variable cassette clamp according to claim 1, wherein: the utility model discloses a mounting frame, including installation frame (1), installation frame (1) and lower mounting panel (6), the inside of installation frame (1) is equipped with mounting panel (4) and lower mounting panel (6), and goes up mounting panel (4) and lower mounting panel (6) respectively with installation frame (1) swing joint, and goes up mounting panel (4) and lower mounting panel and be located same vertical plane.

3. A power transformer tank built-in variable cassette clamp according to claim 1, wherein: installation frame (1) is inside to be equipped with punch holder (9) and lower plate (10), and punch holder (9) and lower plate (10) respectively with installation frame (1) swing joint, and punch holder (9) and last mounting panel (4) are located same horizontal plane, and lower plate (10) and lower mounting panel (6) are located same horizontal plane.

4. A power transformer tank built-in variable cassette clamp according to claim 2, wherein: go up the surface of mounting panel (4) and lower mounting panel (6) and be fixed with connecting bolt (12) respectively, and connecting bolt (12) run through mounting panel (4) and lower mounting panel (6) respectively, and connecting bolt (12) respectively with punch holder (9) and lower plate (10) swing joint, and connecting bolt (12) run through punch holder (9) and lower plate (10) respectively, the one end of connecting bolt (12) is equipped with fastening nut (8), and fastening nut (8) and connecting bolt (12) threaded connection.

5. A power transformer tank built-in variable cassette clamp according to claim 2, wherein: go up the bottom surface of mounting panel (4) and the top surface of lower mounting panel (6) and be equipped with threaded rod (13) respectively, and threaded rod (13) run through mounting panel (4) bottom surface and lower mounting panel (6) top surface respectively, and the axis coincidence of threaded rod (13), be equipped with connecting pipe (5) between threaded rod (13), and connecting pipe (5) respectively with threaded rod (13) threaded connection, the inside of connecting pipe (5) is equipped with thread groove (19), and thread groove (19) respectively with threaded rod (13) threaded connection, the external fixed surface of connecting pipe (5) has fixation nut (18).

6. A power transformer tank built-in variable cassette clamp according to claim 3, wherein: spout (17) have been seted up on the surface of lower plate (10), and spout (17) run through lower plate (10), draw-in groove (15) have been seted up to lower plate (10) surface array, and draw-in groove (15) run through lower plate (10), and draw-in groove (15) run through spout (17) top surface, be equipped with in spout (17) and slide frame (14), and slide frame (14) and spout (17) sliding connection, slide frame (14) inside is equipped with positioning bolt (16), and positioning bolt (16) and slider threaded connection, and positioning bolt (16) run through slide frame (14) top.

7. A power transformer tank built-in variable cassette clamp according to claim 1, wherein: the coil opening (3) is formed in the front face and the surface of the shell (2), the coil opening (3) penetrates through the front face and the back face of the shell (2) respectively, the heat dissipation opening (7) is formed in the side face of the shell (2), and the heat dissipation opening (7) penetrates through the side face of the shell (2).