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The main products of HH are drilling rigs ranged from 800hp to 2000hp, including AC rig, SCR rig, mechanical rig and mechanical SCR rig.
 
 
Rig
Parts
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Main Features

Power end

The frame is a welded structure with steel plate, high strength, rigidity and light weight.

Adopting herringbone gear drive, running smoothly.

 
 
   Drawworks
   Mast
   Substructure
   Crown Block
   Travelling Block
   Hook
   Swivel
   Rotary Table
   Mud Pump
   Sand Pump
   Bit
   Centrifuge
   Well Head Equipment
   Control Equipmen
   Drilling Tool
   Flange Ram Valve
   
   

The crankshaft is made of alloy steel, the crosshead guide is replaceable.

Adopting roller bearing, which enhances running smoothness and loading capacity.

The seal fittings for piston rod are a unique and advanced structure, with excellent seal performance.

At the important locations such as gears, bearings and crosshead etc. we adopt forced and splash lubrication mode

Adopting the spiral locknut, convenient for assembly and teardown.

 
 

Fluid end

The hydraulic cylinder is straight pass-through structure, it can make the fluid flow smoothly, volumetric efficiency higher and structure compact.

The three hydraulic cylinders are interchangeable.

The cylinder head and valve pot cover can be rapidly tightened, convenient for assembly and teardown.

The suction valve and discharge valve can be interchanged

The piston and liner bore are open wide structure, convenient for observing

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