Contact backstop of logarithmic spiral profile wedge blocks
A technology of logarithmic spiral and backstop, which is applied in the field of contact backstop, which can solve the problems affecting the stability, reliability and service life of work performance, automatic recovery, uneven wear, etc., and achieves small stress fluctuations, Good backstop effect and small contact stress
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[0015] Hereinafter, the present invention will be further described in detail with embodiments in conjunction with the drawings.
[0016] Such as figure 1 , 2 , 3, and 4, a contact backstop with logarithmic spiral surface wedge consists of end cover 1, outer ring 2, inner ring 3, logarithmic spiral surface wedge 4, support roller The column 5, the cage 6, the return spring 7, the retaining ring 8, the check arm 9 and the anti-rotation pin 10 are composed. There are two end caps 1 and two check arms 9; the two check arms 9 are connected by an anti-rotation pin 10; the end cap 1 and the check arm 9 are fixed to the outer ring 2 with screws; the outer ring 2 passes through The check arm 9 and the anti-rotation pin 10 are fixed with the positioning parts to realize the overall positioning of the backstop; 8-50 wedges 4 and 4-30 support rollers 5 are evenly arranged between the outer ring 2 and the inner ring 3 , The wedge 4 and the support roller 5 are installed on the cage 6 to ens...
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