What is the working principle of a hydraulic torque screwdriver?

What is the working principle of a hydraulic nut runner?

1. Host computer

The main unit consists of five major parts: the platform, guide rail, main clamp, back clamp, and support frame. The support frame can move longitudinally along the guide rail, used to hold the work object (the pumping rod with the lifting and lowering clips) and guide it into the back clamp and main clamp head. The handwheel can be turned to adjust according to different specifications of rod diameter.

Center height of the bearing bracket.

The back clamp, powered by a hydraulic motor and featuring a screw-driven opening mechanism, is designed to grip rod bodies to restrict rotation. It is suitable for different rod diameters of oil rods and requires no adjustments or replacement of any components during the loading and unloading of couplings. It can move longitudinally along the guide rail to adjust the distance from the main clamp.

Lift, achieve the unloading and loading of sucker rods of different lengths, and the disassembly and assembly of couplings.

The main clamp is used to grip the rod flange, powered by a low-speed, high-torque harmonic drive motor for rotation, enabling the tightening and loosening of threaded fasteners.

The drive roller mechanism allows the drawbar to automatically enter and exit the main clamp and back clamp.

The unloading device: capable of automatic loading and unloading, after the work of connecting and disconnecting the oil rod coupling is completed, it is pushed to the side of the equipment and transported to the next process.

2. Hydraulic Power Source

The Power Source is composed of components such as the fuel tank, motor, gear oil pump, and control valve. It converts electrical energy to hydraulic energy through the motor and gear oil pump. The working pressure of the hydraulic system is controlled by the overflow valve, which serves as a safety protection for regulating the system's pressure and temperature.

Pressure gauges and thermometers display the degree.

3. Control Panel

The control panel serves as the central operation control center for the machine. It consists of components such as the housing, control valves, and pressure gauges.