A motor soft start coupling

Abstract

The invention belongs to the technical field of mechanical connecting pieces, in particular to a motor soft start coupling. The motor soft start coupling comprises an output shaft and a driving shaft;one end of the output shaft is used for connecting with a motor shaft; the driving shaft is arranged at the other end of the output shaft; the driving shaft is used for connecting with working equipment; a set of mounting blocks is arranged on an outer ring of the output shaft; a cavity is formed in the end of the driving shaft; a set of clamping grooves is uniformly formed in the inner wall of the cavity; the clamping grooves are used for cooperating with guide rods to use; the guide rods are slidingly mounted on the mounting blocks; the bottoms of the guide rods are connected to the mounting blocks through springs; the guide rods are positioned in the mounting blocks; arc projections are arranged at the ends of the guide rods; and the guide rods can slide to the outer side of the outputshaft. When a motor shaft is rotated, the guide rods on the mounting blocks slide to the outer side of the output shaft under the effect of centrifugal force, so that the output shaft and the drivingshaft gradually realize linkage from a separation state, the motor start buffering can be realized, the motor start torque is reduced, and the motor soft start is realized.

Description

technical field [0001] The invention belongs to the technical field of mechanical connectors, in particular to a motor soft start coupling. Background technique [0002] Couplings are mechanical parts used to connect two shafts (driving shaft and driven shaft) in different mechanisms to rotate together to transmit torque. In high-speed and heavy-duty power transmission, some couplings also have buffers, The function of reducing vibration and improving the dynamic performance of the shaft system. The coupling is composed of two halves, which are respectively connected with the driving shaft and the driven shaft. Generally, the power machine is mostly connected with the working machine by means of the coupling. The impact force of the coupling is high during high-speed rotation. Since the two half-couplings of the coupling are in rigid contact, collision damage is easy to occur, which affects the use of the coupling and reduces its service life, which needs to be improved urge...

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