Study of the movement of vibration drive elements of a gripping-cutting device

Abstract

The article considers the issues of analyzing the movement of the elements of the vibration mechanism of the gripping and shearing device, which provides dynamic retention of the tree in an upright position. The study is based on the application of the principle of dynamic retention of the reverse pendulum on an oscillating suspension. The development of a new gripping and shearing device has been implemented, characterized by the presence of a vibration mechanism necessary to create vertical vibrations of the held tree. The article describes the design of a hinged gripping and shearing device with a vibration drive and the sequence of its operation when cutting, holding and packing wood. Dynamic studies of the vibration mechanism, taking into account the moment of inertia of moving elements in the SolidWorks Motion program, were carried out on a 3D model of the proposed design of the gripping and shearing device. As part of the motion analysis, the trajectory of the suspension point of the gripper-shearing device was constructed, having the shape of an arc with a maximum deviation of 5 cm. The analysis of the linear displacement of the suspension points of the ZSU showed that the vertical displacement is 500 mm, and the horizontal deviation is 50 mm. Studies of the movement of the elements of the proposed vibration drive design have shown that at a rotational speed of 150 rpm, a torque equal to 435 Nm occurs on the propeller shaft, which fits into the nominal torque of most high-torque hydraulic motors.