CN210956406U

CN210956406U - Coil pressing device for dry-type transformer

Info

Publication number: CN210956406U
Application number: CN201922141438.2U
Authority: CN
Inventors: 李众众; 张相敏; 郭敬然; 韩书瑞
Original assignee: Shandong Fuda Transformer Co ltd
Current assignee: Shandong Fuda Transformer Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-07
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to the technical field of transformers, a coil closing device for dry-type transformer is provided, including PMKD, PMKD's bottom center department fixedly connected with locating rack, PMKD's top is provided with the fly leaf, PMKD's top center department fixedly connected with stand, the surface winding of stand has the coil body, the top of fly leaf is provided with the crown plate, the both sides difference fixedly connected with slide bar of PMKD's top and stand, the top of slide bar is connected with the crown plate, between two slide bars and the top fixedly connected with mount of fly leaf. The utility model discloses a be provided with bracing piece and fly leaf, drive two-way threaded rod through driving motor and rotate, two-way threaded rod drives the bracing piece through removing the slider and inwards rotates to drive the fly leaf lapse through the mounting bracket, compress tightly the coil body, prevent that the loose phenomenon from appearing in the coil, prevent that the function of transformer from receiving the influence.

Description

Coil pressing device for dry-type transformer

Technical Field

The utility model relates to a transformer technical field especially relates to coil closing device for dry-type transformer.

Background

The dry-type transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply, the dry-type transformer refers to a transformer with AN iron core and windings which are not immersed in insulating oil, the cooling mode comprises natural air cooling (AN) and forced air cooling (AF), the natural air cooling is that the transformer can continuously operate for a long time under rated capacity, the forced air cooling is adopted, the output capacity of the transformer can be improved by 50%, and the dry-type transformer is suitable for intermittent overload operation or emergency accident overload operation.

In the long-term use process of the existing dry-type transformer, the coil in the dry-type transformer can cause the coil of the transformer to be loose under some uncertain factors, and the function of the whole transformer is slowly influenced with the gradual and serious loose condition of the line after a long time, so that the dry-type transformer can not be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a coil pressing device for a dry type transformer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: coil closing device for dry-type transformer, including PMKD, PMKD's bottom center department fixedly connected with locating rack, PMKD's top is provided with the fly leaf, PMKD's top center department fixedly connected with stand, the surface winding of stand has the coil body, the top of fly leaf is provided with fixed roof, the both sides of PMKD's top and stand are fixedly connected with slide bar respectively, the top and the fixed roof of slide bar are connected, and the top fixedly connected with mount of fly leaf between two slide bars, the bottom surface center department fixedly connected with fixed block of fixed roof, the both ends of mount sliding connection has the bracing piece respectively, the top and the mount of bracing piece rotate to be connected.

Preferably, the movable plate is sleeved on the top end surface of the stand column and is in sliding connection with the stand column, and the top end of the stand column is fixedly connected with the limiting plate.

Preferably, through holes matched with the sliding rods are formed in two sides of the movable plate respectively, and the movable plate is connected with the sliding rods in a sliding mode.

Preferably, the bottom of bracing piece is rotated and is connected with the removal slider, the top surface of mount is seted up with removal slider matched with spout, and the bracing piece is through removing slider and mount sliding connection.

Preferably, the outer side of the movable sliding block and two sides of the top end of the fixing frame are respectively and fixedly connected with supporting plates, a driving motor is fixedly installed on the inner side wall of one supporting plate, a bidirectional threaded rod is rotatably connected between the two supporting plates, the movable sliding block is sleeved on the surface of the bidirectional threaded rod, and an output shaft of the driving motor penetrates through the supporting plates and is connected with the bidirectional threaded rod.

Preferably, opposite thread grooves are formed in two ends of the bidirectional threaded rod respectively, the number of the movable sliding blocks is two, the two movable sliding blocks are located at the opposite thread grooves in the two ends of the bidirectional threaded rod respectively, and the movable sliding blocks are in threaded connection with the bidirectional threaded rod.

Advantageous effects

1. The utility model discloses a be provided with bracing piece and fly leaf, through starting driving motor, driving motor drives two-way threaded rod and rotates, and two-way threaded rod drives the shifting block inward sliding at both ends, and the shifting block drives the bracing piece inward rotation to drive the fly leaf lapse through the mounting bracket, compress tightly the coil body, prevent that loose phenomenon from appearing in the coil, prevent that the function of transformer from receiving the influence.

2. The utility model discloses a top fixedly connected with limiting plate at the stand, the size of limiting plate is greater than the size of stand, when the fly leaf was at the surface slip of stand, can prevent that the fly leaf from breaking away from the top of stand.

Drawings

Fig. 1 is a front perspective three-dimensional structure diagram of a coil pressing device for a dry type transformer according to the present invention;

fig. 2 is a bottom perspective view of the coil pressing device for the dry type transformer according to the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

fig. 4 is a structural diagram of a fixing frame in the coil pressing device for the dry-type transformer according to the present invention.

Illustration of the drawings:

1. fixing the bottom plate; 2. a positioning frame; 3. a movable plate; 4. a column; 5. a limiting plate; 6. a coil body; 7. fixing a top plate; 8. a slide bar; 9. a fixed mount; 10. a fixed block; 11. a support bar; 12. a support plate; 13. a drive motor; 14. a bidirectional threaded rod; 15. moving the slide block; 16. a chute.

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.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1-4, a coil pressing device for a dry type transformer includes a fixed base plate 1, a positioning frame 2 is fixedly connected to the center of the bottom of the fixed base plate 1, a movable plate 3 is arranged on the top of the fixed base plate 1, a stand column 4 is fixedly connected to the center of the top of the fixed base plate 1, a coil body 6 is wound on the surface of the stand column 4, a fixed top plate 7 is arranged on the top of the movable plate 3, slide bars 8 are respectively and fixedly connected to the top of the fixed base plate 1 and the two sides of the stand column 4, the top of each slide bar 8 is connected with the fixed top plate 7, a fixed frame 9 is fixedly connected between the two slide bars 8 and the top of the movable plate 3, a fixed block 10 is fixedly connected to the center of the bottom of the fixed top plate.

The movable plate 3 is sleeved on the top end surface of the upright post 4, the movable plate 3 is connected with the upright post 4 in a sliding manner, the top end of the upright post 4 is fixedly connected with a limiting plate 5, through holes matched with the slide bars 8 are respectively formed in two sides of the movable plate 3, the movable plate 3 is connected with the slide bars 8 in a sliding manner, the bottom end of the supporting rod 11 is rotatably connected with a movable slider 15, a sliding groove 16 matched with the movable slider 15 is formed in the top surface of the fixed frame 9, the supporting rod 11 is connected with the fixed frame 9 in a sliding manner through the movable slider 15, supporting plates 12 are respectively and fixedly connected on the outer side of the movable slider 15 and two sides of the top end of the fixed frame 9, a driving motor 13 is fixedly installed on the inner side wall of one supporting plate 12, a bidirectional threaded rod 14 is rotatably connected between the, two opposite thread grooves are respectively formed in two ends of the bidirectional threaded rod 14, the number of the movable sliding blocks 15 is two, the two movable sliding blocks 15 are respectively located at the opposite thread grooves in the two ends of the bidirectional threaded rod 14, and the movable sliding blocks 15 are in threaded connection with the bidirectional threaded rod 14.

The utility model discloses a theory of operation: when using this coil closing device for dry-type transformer, through starting driving motor 13, driving motor 13 drives two-way threaded rod 14 and rotates, two-way threaded rod 14 drives the inside slip of the removal slider 15 at both ends, it drives two bracing pieces 11 and removes to remove slider 15, bracing piece 11 uses fixed block 10 to rotate as the original point, thereby promote mount 9 and remove downwards, mount 9 drives fly leaf 3 and slides downwards along slide bar 8, thereby compress tightly coil body 6 on stand 4 surfaces, prevent that loose phenomenon from appearing in the coil, prevent that the function of transformer from receiving the influence.

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. Coil closing device for dry-type transformer, including PMKD (1), its characterized in that: the bottom center of the fixed bottom plate (1) is fixedly connected with a positioning frame (2), the top end of the fixed bottom plate (1) is provided with a movable plate (3), the top center of the fixed bottom plate (1) is fixedly connected with a stand column (4), the surface of the stand column (4) is wound with a coil body (6), the top end of the movable plate (3) is provided with a fixed top plate (7), the top end of the fixed bottom plate (1) and two sides of the stand column (4) are respectively and fixedly connected with a slide bar (8), the top end of the slide bar (8) is connected with the fixed top plate (7), a fixed frame (9) is fixedly connected between the two slide bars (8) and the top end of the movable plate (3), the bottom center of the fixed top plate (7) is fixedly connected with a fixed block (10), and two ends of the fixed frame (, the top end of the supporting rod (11) is rotatably connected with the fixed frame (9).

2. The coil hold-down device for a dry-type transformer as claimed in claim 1, wherein: the movable plate (3) is sleeved on the top end surface of the stand column (4), the movable plate (3) is connected with the stand column (4) in a sliding mode, and the limiting plate (5) is fixedly connected to the top end of the stand column (4).

3. The coil hold-down device for a dry-type transformer as claimed in claim 1, wherein: through holes matched with the sliding rods (8) are formed in the two sides of the movable plate (3) respectively, and the movable plate (3) is connected with the sliding rods (8) in a sliding mode.

4. The coil hold-down device for a dry-type transformer as claimed in claim 1, wherein: the bottom of bracing piece (11) rotates and is connected with removal slider (15), the top surface of mount (9) is seted up and is removed slider (15) matched with spout (16), and bracing piece (11) are through removing slider (15) and mount (9) sliding connection.

5. The coil hold-down device for a dry-type transformer as claimed in claim 4, wherein: the outer side of the movable sliding block (15) and the two sides of the top end of the fixed frame (9) are fixedly connected with supporting plates (12) respectively, a driving motor (13) is fixedly mounted on the inner side wall of one supporting plate (12), a bidirectional threaded rod (14) is rotatably connected between the two supporting plates (12), the movable sliding block (15) is sleeved on the surface of the bidirectional threaded rod (14), and an output shaft of the driving motor (13) penetrates through the supporting plates (12) to be connected with the bidirectional threaded rod (14).

6. The coil hold-down device for a dry-type transformer as claimed in claim 5, wherein: opposite thread grooves are formed in two ends of the bidirectional threaded rod (14) respectively, the number of the movable sliding blocks (15) is two, the two movable sliding blocks (15) are located at the opposite thread grooves in the two ends of the bidirectional threaded rod (14) respectively, and the movable sliding blocks (15) are in threaded connection with the bidirectional threaded rod (14).