Tractor Type Rotary Drilling Rig platform body Product introduction: The main body of the rotary platform of the rotary drilling rig is usually composed of the following parts: 1. Base: The base is the foundation part supporting the entire rotary platform, which is usually welded with steel plates and has sufficient strength and stability. 2. Slewing bearing: Slewing bearing is an important part connecting the substructure and superstructure. It usually adopts rolling bearing or sliding bearing and can bear the slewing force and weight of rotary drilling rig. 3. Superstructure: The superstructure includes the main part of the rotary platform, which is usually welded with steel plates and has sufficient strength and rigidity. The upper structure also includes rotating motor, hydraulic system and other parts. 4. Control system: The control system includes various control devices of rotary drilling rig, such as operating console, joystick, electrical c…