The invention discloses a picking agricultural
manipulator with a self-
locking mechanism mechanical arm, and belongs to the technical field of agricultural manipulators, the picking agricultural
manipulator comprises a vehicle body, a mechanical arm base, a driving device, a mechanical
arm folding and unfolding mechanism and a picking mechanism, the mechanical arm is fixedly connected to the front end of a vehicle shell; a
serial port steering engine of the driving device is arranged on the mechanical arm base, and the output end of the
serial port steering engine is connected with the pull wire to control winding and unwinding of the pull wire; the mechanical
arm folding and unfolding mechanism is composed of a plurality of folding units. The folding unit is of a low-melting-point
alloy folding body-thermal movable structure; a pull wire of the driving device penetrates through the multiple folding units, the
tail end of the pull wire is fixedly connected with each corner of the top plate of the folding and unfolding unit on the uppermost side, and then the unfolding posture and orientation of the mechanical
arm folding and unfolding mechanism D are controlled. The mechanical arm provided by the invention is small in occupied space and large in
working space, has the characteristics of being high in
compression ratio and capable of self-locking, can perform efficient and autonomous picking by combining a mechanical claw and a
visual system, and has a relatively high application value for agricultural picking.