CN216624091U

CN216624091U - On-load tap-changer vacuum bulb assembly structure with firm connection

Info

Publication number: CN216624091U
Application number: CN202123305205.5U
Authority: CN
Inventors: 卫兆华; 毛作军; 王兴; 林邹; 向光亮
Original assignee: Zunyi Changdian Switch Co ltd
Current assignee: Zunyi Changdian Switch Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-27
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a firmly connected vacuum bulb assembly structure of an on-load tap-changer, which relates to the technical field of on-load tap-changers and comprises an assembly mechanism main body, wherein two groups of hollow plates are symmetrically arranged on the outer surfaces of two sides of the assembly mechanism main body, a hollow groove is formed in each group of hollow plates, two groups of frame plates are symmetrically arranged on the outer surfaces of the front end and the rear end of each hollow plate, a rotating rod is arranged on the inner wall of each frame plate, a movable block is arranged on the outer wall of the rotating rod, and a second butt joint hole is formed in the inner surface of the lower end of each movable block. According to the firmly connected vacuum bulb assembly structure of the on-load tap-changer, the top cover and the hollow sleeve are arranged, so that the on-load tap-changer can be conveniently installed, internal elements of the on-load tap-changer can be protected, the hollow sleeve can be conveniently fixed in the assembly mechanism body through the arranged fixing bolt and the anti-falling block, and the hollow sleeve can be prevented from falling from the assembly mechanism body when in use.

Description

On-load tap-changer vacuum bulb assembly structure with firm connection

Technical Field

The utility model relates to the technical field of on-load tap-changers, in particular to a vacuum bulb assembling structure of an on-load tap-changer, which is firm in connection.

Background

The on-load tap-changer refers to a voltage regulating device which is suitable for being operated under the excitation or the load of a transformer and is used for changing the tapping connection position of a transformer winding. The basic principle is that switching among tapping heads in a transformer winding is realized under the condition that load current is not interrupted, so that the number of turns of the winding, namely the voltage ratio of the transformer, is changed, and the purpose of voltage regulation is finally realized.

When the existing on-load tap-changer assembling mechanism is installed and used, the structure is mostly fixed, the on-load tap-changer is inconvenient to disassemble, assemble and protect, certain adverse effects are brought to the use process of people, and in order to solve the defects of the prior art, the on-load tap-changer vacuum bulb assembling structure with firm connection is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a vacuum bubble assembly structure of an on-load tap-changer, which is firmly connected and can effectively solve the problems in the background technology.

In order to realize the purpose, the utility model adopts the technical scheme that:

the utility model provides a connect firm on-load tap-changer vacuum bulb assembly structure, includes the assembly devices main part, the both sides surface symmetry of assembly devices main part is provided with two sets of hollow core slabs, every group the inside of hollow core slab all is provided with hollow groove, the front end surface and the rear end surface symmetry of hollow core slab are provided with two sets of frame plates, the inner wall of frame plate is provided with the dwang, the outer wall of dwang is provided with the movable block, the lower extreme internal surface of movable block is provided with No. two butt joint holes, the lower extreme surface of movable block is provided with the lifting rope, the lower extreme surface of lifting rope is provided with fixing bolt, the upper end surface of assembly devices main part is provided with the jack, the lower extreme surface of assembly devices main part is provided with the support base, the upper end surface symmetry of support base is provided with two sets of U type frame.

Preferably, every group the lower extreme internal surface of U type frame all is provided with the slot, U type frame is located the outer wall of hollow board, the inner wall of assembly devices main part is provided with hollow sleeve pipe, hollow sheathed tube upper end surface is provided with the top cap, the upper end surface of top cap is provided with movable pull rod, the lower extreme surface symmetry of top cap is provided with two sets of butt joints, the both sides surface symmetry of top cap is provided with two sets of fly leafs, every group the upper end surface of fly leaf all is provided with a set of anticreep piece, every group the inside of anticreep piece all is provided with the fixed orifices No. one, the lower extreme surface of fly leaf is provided with the pull pole, the pull pole is located the inner wall of hollow board.

Preferably, a fixing part is arranged between the hollow plate and the assembly mechanism main body, and the outer surface of one side of the hollow plate is fixedly connected with the outer wall of the assembly mechanism main body through the fixing part.

Preferably, be provided with between movable block and the dwang and rotate the piece, the upper end internal surface of movable block is rotated through the outer wall that rotates piece and dwang and is connected.

Preferably, a sliding piece is arranged between the pulling rod and the hollow plate, and the outer wall of the pulling rod is connected with the inner wall of the hollow plate in a sliding mode through the sliding piece.

Preferably, a connecting thread is arranged between the fixing bolt and the anti-falling block, and the outer wall of the fixing bolt is detachably connected with the inner wall of the anti-falling block through the connecting thread.

Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the on-load tap-changer is conveniently installed through the arranged top cover and the hollow sleeve, and meanwhile, internal elements of the on-load tap-changer are protected, wherein the on-load tap-changer is installed inside the hollow sleeve and then sealed by the top cover, the pull rods arranged at the lower ends of the movable plates on the two sides of the top cover can move on the inner wall of the hollow plate, so that the hollow sleeve can be conveniently driven to move on the inner wall of the assembly mechanism main body, meanwhile, the hollow sleeve is placed inside the assembly mechanism main body, the on-load tap-changer inside the hollow sleeve is further protected, when the hollow sleeve needs to be drawn out from the assembly mechanism main body, the movable pull rod is pulled, the hollow sleeve is lifted up through the top cover, and the hollow sleeve is taken out from the assembly mechanism main body for overhauling and replacing the on-load tap-changer, so that the on-load tap-changer is more convenient.

2. In the utility model, the hollow sleeve is conveniently fixed in the assembly mechanism main body through the arranged fixing bolt and the anti-falling block, the hollow sleeve is prevented from falling from the assembly mechanism main body when in use, when the hollow sleeve is placed in the assembly mechanism main body, the butt joint is butted with the jack, the hollow sleeve is prevented from rotating in the assembly mechanism main body, the movable plate is attached to the hollow plate, the movable block is rotated to align the second butt joint hole with the first fixed hole, then the fixing bolt firstly passes through the second butt joint hole of the front end movable block, then passes through the first fixed hole, then passes through the second butt joint hole on the rear end movable block, and connects the movable block with the anti-falling block, thus, the movable block is connected with the anti-falling block by the fixing bolt, the movable block is positioned on the hollow plate, and the fixing bolt limits the up-down movement of the hollow sleeve through the hollow plate and the anti-falling block, when the hollow sleeve is not loosened during use, the fixing bolt only needs to be screwed off from the first fixing hole when the fixing bolt needs to be disassembled, and the operation is convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the connection structure of the fixing bolt and the frame plate of the present invention;

fig. 3 is a schematic structural view of the top cover of the present invention.

In the figure: 1. assembling the mechanism body; 2. a hollow sleeve; 3. a first fixing hole; 4. an anti-drop block; 5. a movable plate; 6. a pull rod; 7. a hollow groove; 8. rotating the rod; 9. a frame plate; 10. a second butt joint hole; 11. a movable block; 12. a lifting rope; 13. fixing the bolt; 14. a hollow slab; 15. a slot; 16. a U-shaped frame; 17. a support base; 18. a top cover; 19. a butt joint; 20. a jack; 21. a movable pull rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a firmly connected vacuum bulb assembly structure for an on-load tap changer includes an assembly mechanism main body 1, two sets of hollow plates 14 are symmetrically disposed on outer surfaces of two sides of the assembly mechanism main body 1, a hollow groove 7 is disposed inside each hollow plate 14, two sets of frame plates 9 are symmetrically disposed on outer surfaces of a front end and a rear end of each hollow plate 14, a rotating rod 8 is disposed on an inner wall of each frame plate 9, a movable block 11 is disposed on an outer wall of each rotating rod 8, a second butt joint hole 10 is disposed on an inner surface of a lower end of each movable block 11, a lifting rope 12 is disposed on an outer surface of a lower end of each movable block 11, a fixing bolt 13 is disposed on an outer surface of a lower end of each assembly mechanism main body 1, a support base 17 is disposed on an outer surface of a lower end of each assembly mechanism main body 1, and two sets of U-shaped brackets 16 are symmetrically disposed on an outer surface of an upper end of each support base 17.

The lower extreme internal surface of every group U type frame 16 all is provided with slot 15, U type frame 16 is located the outer wall of hollow slab 14, the inner wall of assembly devices main part 1 is provided with hollow sleeve 2, hollow sleeve 2's upper end surface is provided with top cap 18, top cap 18's upper end surface is provided with movable pull rod 21, top cap 18's lower extreme surface symmetry is provided with two sets of butt joints 19, top cap 18's both sides surface symmetry is provided with two sets of fly leafs 5, the upper end surface of every group fly leaf 5 all is provided with a set of anticreep piece 4, the inside of every group anticreep piece 4 all is provided with fixed orifices 3 No. one, the lower extreme surface of fly leaf 5 is provided with pull pole 6, pull pole 6 is located the inner wall of hollow slab 14.

A fixing piece is arranged between the hollow plate 14 and the assembly mechanism main body 1, and the outer surface of one side of the hollow plate 14 is fixedly connected with the outer wall of the assembly mechanism main body 1 through the fixing piece.

A rotating part is arranged between the movable block 11 and the rotating rod 8, and the inner surface of the upper end of the movable block 11 is rotatably connected with the outer wall of the rotating rod 8 through the rotating part.

A sliding piece is arranged between the drawing rod 6 and the hollow plate 14, and the outer wall of the drawing rod 6 is connected with the inner wall of the hollow plate 14 in a sliding manner through the sliding piece.

Connecting threads are arranged between the fixing bolt 13 and the anti-falling block 4, and the outer wall of the fixing bolt 13 is detachably connected with the inner wall of the anti-falling block 4 through the connecting threads.

The first embodiment is as follows: the U-shaped frame 16 is provided for supporting the hollow plate 14 and reducing the pressure of the hollow casing 2 on the hollow plate 14.

The second embodiment is as follows: the support base 17 is provided for avoiding direct contact of the assembly mechanism main body 1 with the ground.

It should be noted that, the utility model is a vacuum bulb assembly structure of an on-load tap-changer with firm connection, when in use, the top cover 18 and the hollow sleeve 2 are arranged, so as to facilitate the installation of the on-load tap-changer and simultaneously protect the internal components of the on-load tap-changer, wherein the on-load tap-changer is installed inside the hollow sleeve 2 and then sealed by the top cover 18, the pull rods 6 arranged at the lower ends of the movable plates 5 at both sides of the top cover 18 can move on the inner wall of the hollow plate 14, so as to facilitate the driving of the hollow sleeve 2 to move on the inner wall of the assembly mechanism body 1, meanwhile, the hollow sleeve 2 is placed inside the assembly mechanism body 1, so as to further protect the on-load tap-changer inside the hollow sleeve 2, when the hollow sleeve 2 needs to be drawn out from the assembly mechanism body 1, the movable pull rod 21 is pulled, the hollow sleeve 2 is lifted up by the top cover 18, so that the hollow sleeve 2 is taken out from the assembly mechanism body 1 for the maintenance and replacement of the on-load tap-changer, is more convenient; the fixed bolt 13 and the anti-drop block 4 are arranged, so that the hollow sleeve 2 is conveniently fixed in the assembly mechanism body 1, the hollow sleeve 2 is prevented from falling from the assembly mechanism body 1 when in use, when the hollow sleeve 2 is placed in the assembly mechanism body 1, the butt joint 19 is in butt joint with the jack 20, the hollow sleeve 2 is prevented from rotating in the assembly mechanism body 1, the movable plate 5 is attached to the hollow plate 14, the movable block 11 is rotated, the second butt joint hole 10 is aligned with the first fixed hole 3, the fixed bolt 13 firstly passes through the second butt joint hole 10 of the front movable block 11, then passes through the first fixed hole 3, then passes through the second butt joint hole 10 on the rear movable block 11, and connects the movable block 11 with the anti-drop block 4, in this way, the movable block 11 is connected with the anti-drop block 4 through the fixed bolt 13, the movable block 11 is positioned on the hollow plate 14, fixing bolt 13 has restricted reciprocating of hollow sleeve 2 through hollow slab 14 and anticreep piece 4, and hollow sleeve 2 is not hard up when avoiding using, when needs dismantle only need with fixing bolt 13 from fixed orifices 3 above screw off can, convenient operation.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a connect firm on-load tap-changer vacuum bulb assembly structure, includes assembly devices main part (1), its characterized in that: two groups of hollow plates (14) are symmetrically arranged on the outer surfaces of two sides of the assembly mechanism main body (1), a hollow groove (7) is arranged inside each group of hollow plates (14), two groups of frame plates (9) are symmetrically arranged on the outer surface of the front end and the outer surface of the rear end of the hollow plate (14), a rotating rod (8) is arranged on the inner wall of the frame plate (9), a movable block (11) is arranged on the outer wall of the rotating rod (8), a second butt joint hole (10) is arranged on the inner surface of the lower end of the movable block (11), a lifting rope (12) is arranged on the outer surface of the lower end of the movable block (11), a fixing bolt (13) is arranged on the outer surface of the lower end of the lifting rope (12), the outer surface of the upper end of the assembly mechanism main body (1) is provided with a jack (20), a supporting base (17) is arranged on the outer surface of the lower end of the assembly mechanism main body (1), two groups of U-shaped frames (16) are symmetrically arranged on the outer surface of the upper end of the supporting base (17).

2. The on-load tap-changer vacuum bulb assembling structure with firm connection according to claim 1, characterized in that: the inner surface of the lower end of each group of U-shaped frames (16) is provided with a slot (15), the U-shaped frames (16) are positioned on the outer wall of the hollow plate (14), the inner wall of the assembly mechanism main body (1) is provided with a hollow sleeve (2), the outer surface of the upper end of the hollow sleeve (2) is provided with a top cover (18), the outer surface of the upper end of the top cover (18) is provided with a movable pull rod (21), the outer surface of the lower end of the top cover (18) is symmetrically provided with two groups of butt joints (19), two groups of movable plates (5) are symmetrically arranged on the outer surfaces of two sides of the top cover (18), a group of anti-falling blocks (4) are arranged on the outer surface of the upper end of each group of movable plates (5), a first fixing hole (3) is arranged in each group of anti-falling blocks (4), the outer surface of the lower end of the movable plate (5) is provided with a drawing rod (6), and the drawing rod (6) is located on the inner wall of the hollow plate (14).

3. The on-load tap-changer vacuum bulb assembling structure with firm connection according to claim 1, characterized in that: the hollow plate is characterized in that a fixing piece is arranged between the hollow plate (14) and the assembly mechanism main body (1), and the outer surface of one side of the hollow plate (14) is fixedly connected with the outer wall of the assembly mechanism main body (1) through the fixing piece.

4. The on-load tap-changer vacuum bulb assembling structure with firm connection according to claim 1, characterized in that: be provided with between movable block (11) and dwang (8) and rotate the piece, the upper end internal surface of movable block (11) is rotated through the outer wall that rotates piece and dwang (8) and is connected.

5. The on-load tap-changer vacuum bulb assembling structure with firm connection according to claim 2, characterized in that: a sliding piece is arranged between the drawing rod (6) and the hollow plate (14), and the outer wall of the drawing rod (6) is connected with the inner wall of the hollow plate (14) in a sliding mode through the sliding piece.

6. The on-load tap-changer vacuum bulb assembling structure with firm connection according to claim 2, characterized in that: be provided with connecting thread between fixing bolt (13) and anticreep piece (4), the outer wall of fixing bolt (13) passes through connecting thread and can dismantle with the inner wall of anticreep piece (4) and be connected.