Torque limiting coupler with soft start function

Abstract

The invention discloses a torque limiting coupler with a soft start function. The torque limiting coupler comprises a rotor, wherein an inner rotor is arranged at a driving end in a sleeving manner; an outer ring is connected with a load end; a plurality of first transmission devices and a plurality of second transmission devices are arranged on the inner rotor; the first transmission devices areuniformly distributed along the outer circumference of the inner rotor; first thrust rods are arranged on the inner side, opposite to the first transmission devices, of the outer ring; each second transmission device comprises a thrust end and a counterweight end; the thrust ends are positioned on the outer circumference of the inner rotor; the thrust ends are uniformly distributed along the outercircumference of the inner rotor and are crossed with the first transmission devices; and second thrust rods are arranged on the inner side, opposite to the end parts of the second transmission devices, of the outer ring. According to the torque limiting coupler, the torque of the driving end is transmitted to the load end through the transmission devices arranged on the inner rotor; when a rotating shaft of a motor rotates, the torque of the load end can be smoothly increased, and rigid impact is avoided; and after the load end conducts normal operation, enough large torque can be transmitted, and equipment and mechanisms of a transmission chain can be protected.

Description

technical field [0001] The invention relates to the technical field of couplings, and is a torque-limiting coupling with a soft-start function. Background technique [0002] The coupling is a transmission rotating part that connects two shafts or flanges and shafts or flanges and flanges, and rotates together without disengaging during the process of transmitting motion and power (torque), and does not change during the transmission process. The direction of rotation and the magnitude of the torque. [0003] In the mechanical transmission system, due to the large starting current of the motor in the starting stage, the duration of the entire starting process cannot be too long, otherwise the motor will be burned out by heat. Therefore, the motor is required to increase from zero speed to rated speed (such as: 1500RPM) in a very short period of time (for example: 10-25 seconds), and at the same time drive the load side to increase from zero speed to rated speed. If the coup...

AI Technical Summary

Problems solved by technology

If the coupling is rigidly connected when starting, it will have a large impact on the load end, which will cause too much impact during start-up and damage the related equipment on the transmission chain; or it will not be able to drive the load end to start smoothly, especially when the load Start with a load on the end; or the start-up time is too long so that the motor heats up and burns out for a long time

[0004] After the load end enters normal operation, if the load end is overloaded, blocked, external impact, etc., the load on the load end will rise sharply, which will cause damage to the equipment and mechanisms in the transmission chain.

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