High-voltage connecting device of dry-type power transformer

Abstract

The utility model provides a high voltage connecting device of a dry type power transformer, the high voltage connecting device of the dry type power transformer comprises a support frame, the inside of the support frame is in sliding connection with a movable cross bar, one side of the support frame is provided with a movable groove, the inside of the movable groove is provided with a movable groove, and the movable groove is provided with a through hole. A cushion block penetrates through the inner side of the moving groove, a second limiting block is installed at one end of the cushion block, the second limiting block is arranged in the moving groove, a first fixing bolt penetrates through the cushion block and the second limiting block, one end of the first fixing bolt is arranged in the moving cross rod, and a connecting ring is rotationally connected to the interior of the first fixing bolt. By rotating the first fixing bolt, the first fixing bolt does not press the cushion block, the cushion block can move in the moving groove, then the limiting plate is pulled, the limiting plate drives the moving rod of the moving transverse rod, the moving transverse rod drives the cushion block to move, and the size of the moving transverse rod can be conveniently adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of transformer connection, in particular to a high-voltage connection device for a dry-type power transformer. Background Art

[0002] The Chinese patent application number is: CN202122624757.6, a high-voltage connection device for a dry-type power transformer, the utility model discloses a high-voltage connection device for a dry-type power transformer, including a base, a first high-voltage coil is installed on one side of the top of the base, and a third high-voltage coil is installed on the top of the base. The high-voltage connection device of the dry-type power transformer is provided with a first high-voltage connecting rod, a second high-voltage connecting rod and a third high-voltage connecting rod, and the top and bottom ends of the second high-voltage connecting rod and the third high-voltage connecting rod are bent. By bending the bottom and top ends of the second high-voltage connecting rod and the third high-voltage connecting rod, the distance between the high-voltage connecting terminal and the second high-voltage connecting rod and the third high-voltage connecting rod can be increased, and the distance between the high-voltage connecting terminal and the second high-voltage connecting rod and the third high-voltage connecting rod can be increased to prevent discharge and avoid short circuit, thereby avoiding many hidden dangers, reducing unnecessary losses, and further improving the safety performance of the device, solving the problem that the connecting rod is not bent and is easy to cause discharge.

[0003] However, the device lacks a structure for adjusting the connection size when in use, and the connection size cannot be adjusted according to actual needs. There are limitations in use, and it is difficult to be used for connecting dry-type power transformers of different sizes.

[0004] In summary, the utility model therefore provides a high voltage connection device for a dry-type power transformer to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a high-voltage connection device for a dry-type power transformer to solve the problem that the connection size cannot be adjusted according to actual needs in the prior art.

[0006] A high-voltage connection device for a dry-type power transformer comprises a support frame, a movable cross bar is slidably connected to the interior of the support frame, a movable groove is opened on one side of the support frame, a movable groove is opened inside the movable groove, a cushion block penetrates the inner side of the movable groove, a limiting block 2 is installed at one end of the cushion block, the limiting block 2 is arranged inside the movable groove, a fixing bolt 1 is penetrated inside the cushion block and the limiting block 2, one end of the fixing bolt 1 is arranged inside the movable cross bar, a connecting ring is rotatably connected to the interior of the fixing bolt 1, a limiting block 1 is installed on one side of the connecting ring, the limiting block 1 is arranged in the limiting groove, and the limiting groove is opened inside the movable cross bar.

[0007] Furthermore, a movable column is provided on one side of the support frame, a plurality of fixing holes are opened inside the movable column, a fixing plate is installed on one side of the support frame, and the fixing holes and the fixing plate are fixed by fixing bolts 2.

[0008] Furthermore, the fixing bolt 1 is threadedly connected to the movable cross bar, and the fixing bolt 1 is not connected to the cushion block.

[0009] Furthermore, a limiting plate is provided on one side of the movable cross bar.

[0010] Furthermore, there are two movable cross bars and two limiting plates, which are arranged relative to the support frame.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model rotates the fixing bolt one so that the fixing bolt one does not press the cushion block, and the cushion block can move inside the movable groove, and then pulls the limiting plate so that the limiting plate drives the moving cross bar to move the moving rod, so that the moving cross bar drives the cushion block to move, so that the size of the moving cross bar can be conveniently adjusted. After adjusting to a suitable size, the fixing bolt one is reversed and rotated so that the fixing bolt one presses the cushion block, so that the moving cross bar can be conveniently fixed, and at the same time the limiting block one can prevent the fixing bolt one from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional schematic diagram of a high-voltage connection device of a dry-type power transformer.

[0014] Figure 2 The utility model is a cross-sectional schematic diagram of a high-voltage connection device of a dry-type power transformer.

[0015] Figure 3 It is an enlarged schematic diagram of part A of a high-voltage connecting device of a dry-type power transformer of the utility model.

[0016] In the figure:

[0017] 1. Support frame; 2. Moving column; 3. Fixing hole; 4. Moving cross bar; 5. Limiting plate; 6. Moving slot; 7. Fixing bolt 1; 8. Pad; 9. Movable slot; 10. Limiting slot; 11. Limiting block 1; 12. Connecting ring; 13. Fixing plate; 14. Limiting block 2; 15. Fixing bolt 2. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0019] like Figures 1 to 3As shown, the utility model provides a high-voltage connection device for a dry-type power transformer, comprising a support frame 1, wherein a movable cross bar 4 is slidably connected inside the support frame 1, a movable groove 6 is provided on one side of the support frame 1, and an active groove 9 is provided inside the movable groove 6, and a cushion block 8 is passed through the inner side of the movable groove 6, and a limiting block 2 14 is installed at one end of the cushion block 8, and the limiting block 2 14 is arranged inside the active groove 9, and a fixing bolt 1 7 is passed through the inside of the cushion block 8 and the limiting block 2 14, and one end of the fixing bolt 1 7 is arranged inside the movable cross bar 4, and a connecting ring 12 is rotatably connected inside the fixing bolt 1 7, and the connecting ring 12 A limiting block 11 is installed on one side, and the limiting block 11 is arranged in the limiting groove 10. The limiting groove 10 is opened inside the movable cross bar 4. By rotating the fixing bolt 7, the fixing bolt 7 is no longer pressed against the cushion block 8, and the cushion block 8 can move inside the movable groove 6, and then the limiting plate 5 is pulled, so that the limiting plate 5 drives the movable cross bar 4 to move, so that the movable cross bar 4 drives the cushion block 8 to move, so that the movable cross bar 4 can be conveniently adjusted in size. After adjusting to the appropriate size, the fixing bolt 7 is reversed and rotated, so that the fixing bolt 7 presses the cushion block 8, so that the movable cross bar 4 can be conveniently fixed, and the limiting block 11 can prevent the fixing bolt 7 from falling.

[0020] Among them, a movable column 2 is provided on one side of the support frame 1, and a plurality of fixing holes 3 are opened inside the movable column 2. A fixing plate 13 is installed on one side of the support frame 1. The fixing holes 3 and the fixing plate 13 are fixed by fixing bolts 15. The fixing plate 13 is fixed to different fixing holes 3, so that the installation height of the support frame 1 can be changed, ensuring that dry-type transformers of different sizes can be flexibly connected and used.

[0021] Among them, the fixing bolt 7 is threadedly connected to the movable cross bar 4, and the fixing bolt 7 is not connected to the cushion block 8. By setting the fixing bolt 7 and the movable cross bar 4, and the fixing bolt 7 and the cushion block 8 are not connected, the size of the movable cross bar 4 can be conveniently adjusted.

[0022] A limiting plate 5 is provided on one side of the movable cross bar 4, and the limiting plate 5 is provided to facilitate the use of the device.

[0023] There are two movable cross bars 4 and two limiting plates 5, which are arranged relative to the support frame 1. By arranging two movable cross bars 4 and two limiting plates 5, the use of the device is facilitated.

[0024] Specific working principle:

[0025] The utility model discloses a high-voltage connection device for a dry-type power transformer. In actual use, firstly, by rotating the fixing bolt 7, the fixing bolt 7 is not pressed against the cushion block 8, and the cushion block 8 can move inside the movable groove 6, and then the limiting plate 5 is pulled, so that the limiting plate 5 drives the movable cross bar 4 to move the movable rod, so that the movable cross bar 4 drives the cushion block 8 to move, so that the movable cross bar 4 can be conveniently adjusted in size. After adjusting to a suitable size, the fixing bolt 7 is reversely rotated, so that the fixing bolt 7 presses against the cushion block 8, so that the movable cross bar 4 can be conveniently fixed. At the same time, the limiting block 11 can prevent the fixing bolt 7 from falling off, and is fixed to different fixing holes 3 through the fixing plate 13, so that the installation height of the support frame 1 can be changed, so as to ensure that dry-type transformers of different sizes can be flexibly connected and used.

[0026] The implementation modes of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A high voltage connection device for a dry-type power transformer, comprising a support frame (1), Features: The support frame (1) is slidably connected to a movable cross bar (4) inside. A movable groove (6) is provided on one side of the support frame (1). A movable groove (9) is provided inside the movable groove (6). A cushion block (8) is passed through the inner side of the movable groove (6). One end of the cushion block (8) is installed with a limiting block 2 (14). The limiting block 2 (14) is arranged inside the movable groove (9). A fixing bolt 1 (7) is passed through the inside of the cushion block (8) and the limiting block 2 (14). One end of the fixing bolt 1 (7) is arranged inside the movable cross bar (4). A connecting ring (12) is rotatably connected inside the fixing bolt 1 (7). A limiting block 1 (11) is installed on one side of the connecting ring (12). The limiting block 1 (11) is arranged in the limiting groove (10). The limiting groove (10) is provided inside the movable cross bar (4).

2. A high voltage connection device for a dry-type power transformer as claimed in claim 1, Features: A movable column (2) is provided on one side of the support frame (1), a plurality of fixing holes (3) are provided inside the movable column (2), a fixing plate (13) is installed on one side of the support frame (1), and the fixing holes (3) and the fixing plate (13) are fixed by fixing bolts (15).

3. A high voltage connection device for a dry-type power transformer as claimed in claim 1, Features: The fixing bolt 1 (7) is threadedly connected to the movable cross bar (4), and the fixing bolt 1 (7) is not connected to the cushion block (8).

4. A high voltage connection device for a dry-type power transformer as claimed in claim 1, Features: A limiting plate (5) is provided on one side of the movable cross bar (4).

5. A high voltage connection device for a dry-type power transformer as claimed in claim 4, Features: The movable crossbar (4) and the limiting plate (5) are both provided in two pieces and are arranged relative to the supporting frame (1).

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