SU859718A1 - High-speed mechanism shaft bearing assembly - Google Patents

Description

(54) SUPPORT SHAFT HIGH-SPEED MECHANISM

The invention relates to mechanical engineering, in particular to the design of high-speed mechanisms. The known shaft support of the high-speed mechanism comprises three bearings placed in the housing of the mechanism in circles circumferentially on eccentric axes having gears, engaging with the latter a gear ring encompassing them and a cooperating device for pressing the bearings to the shaft bearing. The clamping device is a screw-worm mechanism with a flywheel 1. The disadvantages of the known construction are the complexity of the device for clamping the support, and the unreliability of its operation when reversing the high-speed mechanism. The purpose of the invention is to simplify the design and increase the reliability of the mechanism during the reverse. The goal is achieved by the fact that the device for clamping the sub-supports is made in the form of an electromagnet and a flexible rod connecting the core of the electromagnet with a ring gear. FIG. 1 shows the proposed shaft support, general view; in fig. 2 shows section A-A in FIG. 1. The shaft of the high-speed mechanism contains three bearing 1, which are placed in the housing of the mechanism 2 on the eccentric cheeks 3 axles 4. Bearings 1 are evenly placed around the circumference and pressed with the outer rings to the bearing neck 5 of the shaft. The axles 4 are provided with gears 6, engaged with a gear ring 7 enclosing them, which through a flexible rod 8 interacts with the core 9 of the electromagnet 10 of two-way action interlocked with a control system (not shown) of the high-speed mechanism. When the mechanism is turned on, the electromagnet 10 generates a pulling force, which, through the core 9 and the pulley 8, creates a torque on the gear ring 7, through which the gears 6 of the axes 4 provide a constant and uniform clamping of the bearings 1 to the shaft journal 5. When the mechanism is reversed, the electromagnet 10 automatically creates a pull force in the opposite direction and a reverse torque MOjvieHT on the rim 7.

The present invention provides control of the design of the device for clamping bearings, increases the reliability and speed of its operation when the mechanism is reversed, as well as constant and uniform pressing of bearings to the support shaft neck regardless of wear after the invention.

The high-speed mechanism shaft support, containing three bearings placed evenly in the mechanism case

circumferentially on eccentric axles having gears, engaging with the latter a gear ring enveloping them and a device interacting with it for pressing the liners to the shaft bearing pivot, characterized in that, in order to simplify the design and increase the reliability of operation of the mechanism when reversing, The device for clamping the supports is made in the form of an electromagnet and a flexible rod connecting the core of the electromagnet with a ring gear.

Sources of information taken into account in the examination 1. Patent of Germany No. 1293122, 15 cl. 7f-5/02, 1969 (prototype).

Claims (1)

Claim A shaft support of a high-speed mechanism, comprising three bearings arranged uniformly ¹ around the circumference on eccentric axles having gear wheels, a gear ring engaging with the latter and a device for pressing the bearings against the bearing journal of the shaft ⁵ la, interacting with it, characterized in that, in order to simplify the design and improve the reliability of the mechanism at the reverse, the device for pressing the bearing is in the form of an electromagnet and tractive associate conductive core electromagnetic ₀ ita with the ring gear.