F800FT Drilling Mud Pump adopts a herringbone gear transmission with larger transmission torque
and stable performance.
Crankshaft
The crankshaft is made of cast alloy steel. The inner bore of the
herringbone gear and the crankshaft are joined together by interference
fit and fastened by bolts and locknuts. Both sides of the crankshaft are
equipped with double-row spherical roller bearings to the heart to
ensure stability in operation and improve the bearing capacity.
Pinion Shaft
It is made of forging alloy steel. On the shaft, there is a herringbone gear
whose tooth surfaces are of medium hardness. There is a shaft extension at
both ends, where belt wheels or chain wheels may be installed.
Crosshead
The integral crosshead of is cast with nodular cast iron, so the crosshead
has good abrasion resistance. Apart from RS-F500 drilling pumps, which
adopt a guide tube structure, all other crosshead guides are made up of an
upper and a bottom guide. Gaskets may be added under the crosshead
guide to regulate the concentricity. The extension rod is connected to
the crosshead by a flange with a pin to ensure the concentricity of the
crosshead and the extension rod. The packing adopts a double sealing
structure, which realizes good seal performance.
Fluid Cylinder
The fluid cylinder is made of forged alloy steel. The RS-F series pumps
adopt straight-through type cylinders, with saw tooth threads at the top
side. They are small in size and the volumetric efficiency is very high.
The cylinder surface is processed by nickel-phosphor plating to
increase its corrosion resistance. The three cylinders of a pump are
interchangeable.
Lubrication System
The lubrication system of F800FT Drilling Mud Pump adopts pressure lubrication combined with
splash lubrication, or otherwise it may also adopt external motor driven
lubrication according to the user.
The Spraying System
The spraying system is composed of a spraying pump, water tank, and
spraying pipes. The spraying pump is a centrifugal pump. It can be driven
by a belt wheel installed on either side of the pinion shaft or by a motor,
using water as cooling and lubricating liquid.
Cantilever Hoist System
To reduce the labor intensity of drilling workers, and for easy
field operation, the RS-F1300 and RS-F1600 pumps are equipped with a
cantilever hoister, which is used to help remove or replace the liner or
other parts of the fluid end.
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