Usage and characteristics:
The adjustment of installation distance and axial expansion and contraction are achieved through the sliding of the internal spline of the universal joint. Scalable capacityAdjust according to user needs.
Mainly used for the transmission of degreasing rollers, turning rollers, squeezing rollers, and scrubbing troughs in metallurgical production equipment.
Axial angle ≤ 8 °~10 °, allowable expansion and contraction ± 12~± 35, flange sleeve or flange connection.
The ball cage constant velocity universal joint is divided into two categories: fixed type and sliding type that can move axially. Fixed types include disc-shaped, cup-shaped, bell shaped, and cylindrical; Sliding type includes small, large, and DOX series for extremely short distance axial connections.
Compared with the cross axis universal joint, the cage type universal joint has the following characteristics:
(1) Has buffering and vibration reducing properties, can reduce noise, and automatically circulates lubrication;
(2) Under the same rotation diameter and inclination angle, it can improve0.5～1 Double the carrying capacity;
(3) Good synchronization, even with a single ball joint plunger universal joint, can ensure synchronization;
(4) Axial directionx, RadialyThe initial repayment amount is relatively large, especially in the axial directionxIt can be achieved without the need for external splines;
(5) Novel structure, light weight, good processability, easy mass production, and cost reduction;
(6) Reliable in operation, easy to assemble and disassemble, convenient for maintenance, and with a long service life, it is not only a universal component for low-speed heavy-duty and conventional speed shaft transmission, but also suitable for high-speed transmission. This universal joint has a wide range of applications, especially suitable for shaft transmission under conditions of large inclination angles and limited radial dimensions.
The ball cage universal joint is connected to the main and driven shafts through the outer ring of the ball cage and the inner ring of the star shape. The center of the force transmitting steel ball is located in the plane passing through the center of the joint and is installed in the raceway composed of the outer spherical groove of the spherical outer ring and the inner ring of the star shape. The centers of the two spherical surfaces coincide with the center of the universal joint. In order to ensure that all steel ball centers are on the bisector of the angle between the two axis lines, the steel balls are installed in the ball cage, so as to ensure that the force transmission point between the main and driven shafts of the joint can always be located on the bisector of the angle when the angle changes. Therefore, the speed transmission between the main and driven shafts of the ball cage universal joint is kept synchronized.
