The mold design and cold extrusion craft of suspends;

Analysis of Engagement Rigidity of Swing-rod Movable Teeth Drive;

The swing-rod beam pumping unit belongs to a new type of the energy-saving pumping unit.

According to the dynamics feature of the swing-rod movable teeth transmission structure,cts 3 freedoms torsion vibration dynamic model is found and analyzed by the method of lumped parameter.

This paper puts forward a new type transmission of swing link rack drive,discusses its structure and principle of transmission, analyses its authenticity of movement and transmission feature, which provides a theoretical basis for further research.

The paper deals with the construction of reloving stock swing link sliding teeth rack drive and its driving principle.

The new method defining the axis region of the straight motion push rod cam mechanism is extended to the swing link cam mechanism.

The internal forces,the moment of internal forces and the work done by them in a moving rod pendulum;

This paper discusses a more detailed discussion on the internal forces in a moving rod pendulum,the moment of the normal internal force,and the work of the tangential internal forces.

Using ADAMS software,the solid modeling of a seedling supporting mechanism with a cam and oscillating bar used for transplanters is established,with the contour curve of the cam and the motion law as well as motion characteristics of the combined oscillating bar obtained.