Improved ball gear and its serial engagement device and its driving device

Improved ball gear and its serial engagement device and its driving device

  • CN 1,152,195 C
  • Filed: 11/02/1994
  • Issued: 06/02/2004
  • Est. Priority Date: 11/02/1994
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of driving mechanism of Hindley worm gear, cry speed change from the pendulum type, it is characterized in that making driving wheel by olive body gear (4), and follower is ball gear (2) or ball gear (3), the engagement driving rule is to determine the size of ball gear or ball gear earlier, olive body gear is only done supporting and is designed, driving wheel is all identical with the great circle modulus and the profile of tooth of follower, driving gear is that tapered roller bearing (7) is equipped with at the two ends of olive body gear, tapered roller bearing is contained in the bearing support of the cabinet type olive body gear hub of active (12), and is fastening with bolt and nut between bearing support and the gear hub;

  • Follower is that ball gear or ball gear are loaded onto transmission shaft (1), thrust ball bearing (5) pack in the cavity of ball gear or ball gear along the transmission shaft two ends, order is equipped with radial antifriction bearing (6) again along the transmission shaft two ends, radial antifriction bearing refills in the bearing support of driven cabinet type gear hub (9,11), and stud bolt nut (13) is with fastening between gear hub and the bearing support;

    Initiatively driven two gear hubs are respectively with arc length gear ring sections (15) such as sunk screw nut or rivet dress have closed;

    Two gear hubs are all used bearing pin (18) cylinder lever connecting rod (16) up and down, and sliding bearing (17) is wherein arranged between pull bar and the bearing pin, and bearing pin made especially that the pawl structure makes it can not rotation;

    Two gear hubs are all placed pressing plate (19) up and down, and are fastening with bolt and nut (20) between driving tooth hub and pressing plate and pressing plate and the termination case, but 1 to 2 millimeter gap is arranged between driven tooth hub and the pressing plate.

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