Sealing ring press-fitting mechanism of on-load tap-changer oil chamber
A technology for switching oil chambers and on-load taps, used in packaging/dipping, transformers, variable transformers, etc., can solve problems such as high requirements for assembly equipment, complex assembly processes, and complex assembly equipment, reducing labor intensity and assembling. Clean environment and reduce labor
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Embodiment 1
[0033] Such as Figure 3-Figure 5 As shown, before the sealing ring 19 is installed, the insulating cylinder 20 and the flange 22 are riveted together by rivets 21, and the front side of the flange 22 ( Figure 3-5 shown on the right side) and flange 22 rear side ( Figure 3-5 Shown on the left side) are provided with a sealing groove, the present invention is mainly used to press-fit the sealing ring 19 into the sealing groove on the rear side of the flange 22.
[0034] Such as Figure 1-Figure 9As shown, a sealing ring press-fitting mechanism of the on-load tap changer oil chamber of the present invention includes a pressing block 4, a pressing plate 6, a pull rod 7, a sliding sleeve plate 8, a lever 16, and a handle 17; the pressing plate 4 is the bottom The fan-shaped plate with arc-shaped sides, the arc-shaped structure of the bottom edge of the pressure plate 6 and the sealing groove at the rear end of the flange 22 (the sealing groove is located between the rear end o...
Embodiment 2
[0039] The difference between this embodiment and Embodiment 1 is:
[0040] Such as Figure 3 to Figure 5 As shown, the sealing ring press-fitting mechanism also includes an adjusting nut 3 and an adjusting washer 5; It is used to fasten the pressure block 4 and the adjusting washer 5 on the rear end surface of the pull rod 7; the adjusting washer 5 is sleeved on the position where the fastening screw 2 is located in the slot 401 and is in close contact with the rear end face of the pull rod 7, and adjusted After adjusting the position of the pressure block 4 by the number of washers 5, adjust the position of the pressure plate 6 on the tie rod 7. For example, after adding a certain number of adjustment washers 5 on the original basis, the pressure block 4 must be rearward relative to the rear end surface of the tie rod 7. Move, because will guarantee that briquetting block 4 abuts on the pressing plate 6, after briquetting block 4 moves back, pressing plate 6 also needs to m...
Embodiment 3
[0043] The difference between the present embodiment and the second embodiment is that: the lower end of the lever is provided with a roller near the back, and a roller is installed on the roller; when the press fit is stressed, the roller rolls on the sliding sleeve plate.
[0044] The working principle of the present invention is as follows:
[0045] One, such as Figure 5 As shown, before pressing the sealing ring 19, first debug and assemble the sealing ring press-fitting mechanism, the debugging and assembling steps are as follows:
[0046] a. Fit the insulating cylinder 20 and the flange 22 and rivet 21 symmetrically to connect them;
[0047] b. Do not install the sealing ring 19, and simulate the state that the sealing ring 19 is press-fitted;
[0048] c. Attach the pressure plate 6 to the rear end of the flange 22 (make the arc-shaped protrusion 603 align with the sealing groove on the rear end of the flange 22), the sliding sleeve plate 8 is close to the front end o...
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