Fixing device for pressing soft copper sheet

Abstract

The utility model discloses a pressing soft copper sheet fixing device, which relates to the field of transformer internal structure pressing, and comprises a sleeve wiring board, a stainless steel plate, a bolt, a thick nut, a thin nut, a belleville spring and a copper stranded wire, the right side of the sleeve wiring board is fixedly connected with an adjusting mechanism, and the copper stranded wire is provided with a pressing mechanism. The adjusting mechanism comprises a column body, the column body is provided with an inner cavity, a threaded rod is arranged in the inner cavity, one end of the threaded rod is fixedly connected with a rotating handle, the other end of the threaded rod is provided with a bearing, the bearing is embedded into the bottom of the column body, the threaded rod in the inner cavity is in threaded connection with a movable ring, and the movable ring is fixedly connected with a connecting rod; and the connecting rod penetrates through the column body and is fixedly connected with the sleeve connecting plate. The contact area is achieved, the bulging and warping phenomena caused by bolt fixing are reduced, the installation requirements of soft copper sheets with different sizes and lengths can be flexibly met, the working efficiency is improved, the service life of the assembly is prolonged, and a solid guarantee is provided for long-term stable operation.

Description

Technical Field

[0001] This utility model relates to the internal structure compression of transformers, and is used for the compression of bushings and soft copper sheets, which is a compression and fixing device for soft copper sheets. Background Technology

[0002] Currently, soft copper foil is used to connect the internal leads and bushings of the transformer. This allows for adjustments to fit issues caused by manufacturing errors. The soft copper foil is made from individual 0.3mm copper strips, which are then soldered together.

[0003] After the soft copper foil is welded, when it is connected to the sleeve, the edge of the soft copper foil may lift or bulge due to the force of tightening the bolts. This will cause poor contact between the soft copper foil and the sleeve terminal. Therefore, a 4.0mm stainless steel plate is used to press it firmly and fix it, so as to effectively make contact between the sleeve and the soft copper foil. Summary of the Invention

[0004] The purpose of this utility model is to provide a device for pressing and fixing soft copper sheets to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A device for clamping and fixing soft copper sheets includes a sleeve terminal block, a stainless steel plate, bolts, thick and thin nuts, a disc spring, and copper stranded wire. An adjustment mechanism is fixedly connected to the right side of the sleeve terminal block, and a clamping mechanism is provided on the copper stranded wire.

[0007] The adjusting mechanism includes a column with an inner cavity. A threaded rod is disposed in the inner cavity. A rotating handle is fixedly connected to one end of the threaded rod, and a bearing is disposed at the other end of the threaded rod. The bearing is embedded in the bottom of the column. A movable ring is threadedly connected to the threaded rod in the inner cavity. A connecting rod is fixedly connected to the movable ring. The connecting rod passes through the column and is fixedly connected to the sleeve terminal block.

[0008] In a preferred embodiment, the bolt passes through the stainless steel plate and the sleeve terminal block, and both ends of the bolt are threadedly connected to thick and thin nuts, with the disc spring mounted on the bolt.

[0009] In a preferred embodiment, a support column is fixedly connected to the bottom of the column, and a base is fixedly connected to the bottom of the support column.

[0010] In a preferred embodiment, the clamping mechanism includes a U-shaped pressure plate, an adjusting screw is provided on the U-shaped pressure plate, a locking nut is threaded to the lower end of the adjusting screw, a clamping plate is provided on the other end of the adjusting screw, a buffer pad is provided on the clamping plate, and a spring is provided on the adjusting screw.

[0011] In a preferred embodiment, the top of the threaded rod penetrates the inner cavity and extends to the top of the column, while the bottom of the threaded rod penetrates the inner cavity and extends into the interior of the column.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. Tightening and fixing: The tightening and fixing method of the soft copper sheet can better connect the flexible connector to the bushing terminal block, increase the contact area, and reduce the bulging and peeling of the soft copper sheet caused by the force when the soft copper sheet is fixed by the bolt.

[0014] 2. Adjustment Mechanism: To accommodate the installation of flexible copper sheets of varying sizes and lengths, a flexible and adjustable system is specially designed. Simply rotate the operating handle left or right to easily adjust the required spacing, ensuring that both short and long flexible copper sheets can be accurately positioned and installed. This design greatly simplifies the on-site construction process and improves work efficiency.

[0015] 3. Improved connection stability: A precision-designed clamping device ensures a tight, seamless fit between the soft copper foil and the copper stranded wire, maintaining perfect alignment of their axes. This significantly enhances the electrical performance between the two components while greatly improving the physical structural stability, preventing safety hazards caused by loosening.

[0016] 4. Reduced Damage: A relatively soft and elastic material was selected for the clamping plate during the clamping action, along with a buffer layer to distribute pressure. This ensures sufficient clamping force while minimizing any potential damage to the soft copper foil and its internal copper strands. This not only helps extend the service life of related components but also provides a solid guarantee for long-term stable operation.

[0017] In summary, the increased contact area reduces bulging and warping caused by bolt fastening. The equipped adjustment mechanism flexibly adapts to the installation needs of soft copper sheets of different sizes and lengths, simplifying the on-site construction process and improving work efficiency. The precision-designed clamping device ensures a tight fit and axial alignment between the soft copper sheet and the copper stranded wire, significantly improving electrical performance and physical structural stability, and avoiding safety hazards caused by loosening. Furthermore, the use of a soft and elastic material as the clamping plate, combined with a buffer pad to distribute pressure, ensures sufficient clamping force while minimizing damage to the soft copper sheet and its internal copper stranded wires, extending the component's service life and providing a solid guarantee for long-term stable operation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the pressing mechanism of this utility model;

[0021] In the diagram: 1. Sleeve connector plate, 2. Stainless steel plate, 3. Bolt, 4. Thick and thin nuts, 5. Disc spring, 6. Copper stranded wire, 7. Adjustment mechanism, 71. Column, 72. Inner cavity, 73. Threaded rod, 74. Rotary handle, 75. Bearing, 76. Movable ring, 77. Connecting rod, 8. Pressing mechanism, 81. U-shaped pressure plate, 82. Adjusting screw, 83. Locking nut, 84. Pressing plate, 85. Buffer pad, 86. Spring, 9. Support column, 10. Base. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1 , Figure 2 , Figure 3 A device for pressing and fixing soft copper sheets includes a sleeve terminal block 1, a stainless steel plate 2, a bolt 3, thick and thin nuts 4, a disc spring 5, and a copper stranded wire 6. An adjustment mechanism 7 is fixedly connected to the right side of the sleeve terminal block 1, and a pressing mechanism 8 is provided on the copper stranded wire 6.

[0024] The adjusting mechanism 7 includes a column 71 with an inner cavity 72. A threaded rod 73 is provided in the inner cavity 72. A rotating handle 74 is fixedly connected to one end of the threaded rod 73, and a bearing 75 is provided at the other end of the threaded rod 73. The bearing 75 is embedded in the bottom of the column 71. A movable ring 76 is threadedly connected to the threaded rod 73 in the inner cavity 72. A connecting rod 77 is fixedly connected to the movable ring 76. The connecting rod 77 passes through the column 71 and is fixedly connected to the sleeve terminal block 1.

[0025] Bolt 3 passes through stainless steel plate 2 and sleeve terminal plate 1. Both ends of bolt 3 are threadedly connected to thick and thin nuts 4. Disc spring 5 is set on bolt 3.

[0026] A support column 9 is fixedly connected to the bottom of column 71, and a base 10 is fixedly connected to the bottom of support column 9.

[0027] The clamping mechanism 8 includes a U-shaped pressure plate 81, an adjusting screw 82 is provided on the U-shaped pressure plate 81, a locking nut 83 is threadedly connected to the lower end of the adjusting screw 82, a clamping plate 84 is provided on the other end of the adjusting screw 82, a buffer pad 85 is provided on the clamping plate 84, and a spring 86 is provided on the adjusting screw 82.

[0028] The top of the threaded rod 73 passes through the inner cavity 72 and extends to the top of the column 71, and the bottom of the threaded rod 73 passes through the inner cavity 72 and extends into the interior of the column 71.

[0029] In this embodiment, the rotating handle 74 in the adjusting mechanism 7 rotates the threaded rod 73, thereby changing the position of the movable ring 76 and the connecting rod 77. The connecting rod 77 is connected to the sleeve terminal plate 1, thereby adjusting the installation spacing to accommodate soft copper sheets of different lengths. When the appropriate position is reached, the soft copper sheet between the stainless steel plate 2 and the sleeve terminal plate 1 is fixed by tightening the thick and thin nuts 4. At the same time, the disc spring 5 can provide a certain buffering effect when subjected to external force to prevent loosening caused by vibration or impact. The support column 9 fixedly connected to the bottom of the column 71 is used to support the entire adjusting mechanism. The base 10 at the bottom of the support column 9 improves the overall stability of the equipment and facilitates installation and use in various environments.

[0030] The clamping mechanism 8 further secures and clamps the soft copper sheet and the copper stranded wire. The U-shaped clamping plate 81 is adjusted by the adjusting screw 82 to ensure it fits tightly against the surface of the soft copper sheet. The locking nut 83 on the adjusting screw 82 is used to lock the position of the adjusting screw 82, while the clamping plate 84 at the other end of the adjusting screw 82 acts directly on the soft copper sheet. To reduce damage to the soft copper sheet and the copper stranded wire, a buffer pad 85 is provided on the clamping plate 84, and the force of the spring 86 is involved throughout the clamping process to ensure sufficient clamping force without excessively compressing the soft copper sheet.

[0031] In use, first fix the bushing terminal block 1 in the desired connection position, and then adjust the position of the bushing terminal block 1 using the adjusting mechanism 7. Rotating the handle 74 drives the threaded rod 73 to rotate, and the movable ring 76 on the threaded rod 73 moves accordingly, pushing the bushing terminal block 1 through the connecting rod 77 to achieve precise position adjustment. Next, the bolt 3 passes through the soft copper sheet between the stainless steel plate 2 and the bushing terminal block 1, and its two ends are threadedly connected to the thick and thin nuts 4. The disc spring 5 is set on the bolt to provide additional clamping force to press and fix the upper part of the soft copper sheet, preventing bulging and peeling. Place the lower part of the soft copper sheet and the copper stranded wire into the U-shaped pressure plate 81, and adjust the position of the pressure plate 84 by adjusting the screw 82, so that the buffer pad 85 on the pressure plate 84 evenly presses the soft copper sheet, ensuring an increased contact surface and avoiding bulging and peeling. The support column 9 and the base 10 at the bottom of the column 71 ensure the stability of the entire device. In this way, the combined use of the clamping mechanism 8 and the adjusting mechanism 7 can flexibly adapt to the installation requirements of soft copper sheets of different sizes and lengths, improving work efficiency. At the same time, it ensures a tight fit and axial alignment between the soft copper sheet and the copper stranded wires, avoiding safety hazards caused by loosening. Using a soft and elastic material as the clamping plate 84, along with a buffer pad 85 to distribute pressure, minimizes damage to the soft copper sheet and its internal copper stranded wires, extending the component's service life and providing a solid guarantee for long-term stable operation.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for pressing and fixing soft copper sheets, characterized in that: Includes a bushing terminal block (1), a stainless steel plate (2), bolts (3), thick and thin nuts (4), a disc spring (5), and copper stranded wire (6). An adjustment mechanism (7) is fixedly connected to the right side of the bushing terminal block (1), and a clamping mechanism (8) is provided on the copper stranded wire (6). The adjusting mechanism (7) includes a column (71), the column (71) is provided with an inner cavity (72), a threaded rod (73) is provided in the inner cavity (72), a rotating handle (74) is fixedly connected to one end of the threaded rod (73), a bearing (75) is provided at the other end of the threaded rod (73), the bearing (75) is embedded in the bottom of the column (71), a movable ring (76) is threadedly connected to the threaded rod (73) in the inner cavity (72), a connecting rod (77) is fixedly connected to the movable ring (76), and the connecting rod (77) passes through the column (71) and is fixedly connected to the sleeve terminal plate (1).

2. The device for pressing and fixing soft copper sheets according to claim 1, characterized in that: The bolt (3) passes through the stainless steel plate (2) and the sleeve terminal plate (1). Both ends of the bolt (3) are threadedly connected to the thick and thin nuts (4). The disc spring (5) is set on the bolt (3).

3. The device for pressing and fixing soft copper sheets according to claim 1, characterized in that: The bottom of the column (71) is fixedly connected to a support column (9), and the bottom of the support column (9) is fixedly connected to a base (10).

4. The device for pressing and fixing soft copper sheets according to claim 1, characterized in that: The clamping mechanism (8) includes a U-shaped pressure plate (81), an adjusting screw (82) is provided on the U-shaped pressure plate (81), a locking nut (83) is threadedly connected to the lower end of the adjusting screw (82), a clamping plate (84) is provided on the other end of the adjusting screw (82), a buffer pad (85) is provided on the clamping plate (84), and a spring (86) is provided on the adjusting screw (82).

5. The device for pressing and fixing soft copper sheets according to claim 1, characterized in that: The top of the threaded rod (73) passes through the inner cavity (72) and extends to the top of the column (71), and the bottom of the threaded rod (73) passes through the inner cavity (72) and extends into the interior of the column (71).

Images