FIELD: robotics.
SUBSTANCE: invention relates to robotics. Gripper comprises an electric actuator, fixed by means of a bracket on the stationary body of the device, with a slotted spiral cam fixed to the electric drive shaft in the form of a spiral disk, with which sliders are kinematically connected that perform the function of pushers in cam pairs and move along the radial grooves of the body as a result of forced interaction with the slotted spiral cam, which drive the working elements attached to them in the form of fingers, which form a four-link rocker-slider swivel lever mechanisms that are kinematically connected with a grooved helical cam. Sliders perform the function of pushers in cam pairs with a slotted spiral cam and the function of sliders in four-link rocker-slider swivel lever mechanisms driving the connecting rod links of each of the attached lever mechanisms. One of the working elements is made with a larger contact surface in comparison with the other working elements, which are turned at an angle relative to the perpendicular to the trajectories of motion of the sliders.
EFFECT: invention provides an increase in the operating range, gripping of objects of various types, shapes and dimensions, while reducing the weight and dimensions of the device.
1 cl, 5 dwg
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Authors
Dates
2018-11-22—Published
2018-06-20—Filed