Description

characteristics:

• "H" section steel structure, high strength and nice load bearing capacity.
• Middle width roller center bearing, strong endurance. Self-aligning bearings are adopted in equalizer beam bearing and crank pin bearing, reducing installationerrors and the vibration when pumping unit is operating.
• Hanging structure of the horsehead is “self-abdicating” mechanism , facilitating wellhead operations.
• Gear reducer adopts herringbone involute or double circular toothed gear, high precision, nice load bearing capacity, and long service life.
• Brake adopts internal expanding or external structure . The brake has safety devices, which can brake quickly, safe and reliable.
• Lubrication grease is supplied by central lubrication system, reducing manual maintenance.
• The unit has comprehensive safety protection, the ladder and all moving parts are equipped with safety guard and safety fences.