connecting rod for Mud PumpProduct DescriptionMud Pump Extension
rod pony rod connecting rod,Our company supply alloy forged Mud
Pump Extension rod pony rod connecting rod all are heat treated
with high strength, and digital machined. Our products are all of
high quality, with full sizes, and long service life.Product
ApplicationBrandTypeEmscoF500 F800 F1000 F1300 F1600Gardener
denverPZ-7 PZ-8 PZ-9 PZ-10 PZ-11National7-P-50 9-P-100 12-P-160
K-700IdecoT-500 T-800 T1000 T-1300OilwellA-350PT A-600PT A-850PT
A-1700PTRussian8T-650 UNBT-950 UNBT-1180L BT6001 Structure
Features1.1 Power End Featuresa) The Frame The frame is made of
welded steel plate and stress relief treated to obtain the good
rigidity and high strength. The place where the crankshaft bearing
is fitted is strengthened by using ribbed plates. The frame is
furnished with the necessary oil basin and oil way system for
cooling and lubricating purpose. b) The Pinion Shaft The pinion
shaft is made of forged alloy steel on which a herringbone
gear with the medium-hard tooth surface is machined. For easy
maintenance, the single row radial long cylindrical roller bearing
with inner ring(without sides) is used. The both ends of the pinion
shaft extend out, so that the sheave or the sprocket can be mounted
on either end. c) The Crankshaft The crankshaft is made of cast
alloy steel and furnished with herringbone gear, connecting rod and
bearing. The tooth form of the big-geared ring is herringbone gear.
The gear bore and the crankshaft surfaces are interference fitted
and they are both fastened with bolts and lock nuts. The big end of
the connecting rod is mounted on three eccentric straps of the
crankshaft through single row short cylindrical roller bearings and
the small end on the crosshead pin through double row long
cylindrical roller bearing. Double row radial spherical roller
bearings are mounted at both ends of the crankshaft. d) The
Crosshead And Crosshead Guide The crosshead and crosshead guide are
made of homebred meehanite cast iron featured by good abrasion
resistance and long service life. Upper and lower guides are used
for mud pump, so that the concentricity can be adjusted by adding
shims beneath the lower guide. The connection between the crosshead
and the extension rod is made by using bolted flange. The rigid
connection ensures the concentricity of the crosshead and the
extension rod. The coupling is used for connecting the extension
rod to the piston rod. The light-weight coupling enables the
extension rod and the piston rod to connect to each other easily
and reliably. e) The Extension Rod Packing The extension rod
packing is duplex seal structure to provide the good seal result.
f) The Power End The power end uses the combined lubricating system
of forced lubrication and splash lubrication. 1.2 Fluid End
Featuresa) Cylinders Cylinders are made of forged alloy steel,
three cylinders of each pump are interchangeable. Valve-over-valve
(through type cylinder) design reduces the cylinder volume and
promotes the volumetric efficiency. At customers request, the
cylinder surface may be nickel plated to improve the abrasion
resistance. b) Discharge pulsation dampener, shear relief valve and
discharge strainer are furnished at the outlet. F-1300 and F-1600
pump suction inlet is furnished with Φ305 flange. c) Valve Assembly
The suction valve and the discharge valve for F-1300 and F-1600 mud
pumps are interchangeable. F-1300 and F-1600 mud pump uses
API 7#valve pots. d) Liners Bi-metal liners are used. The sleeve is
made of wear-resistant cast iron, the surface hardness is HRC60~65.
Therefore, liners feature wear resistance, corrosion resistance and
high surface finish. Liners are put in from the liner chamber in
the front of the frame and fixed with liner thread ring
, liner lock ,bolt and wear plate when installing. e) Pistons
And Piston Rods They are slide fitted, sealed with rubber seal ring
and finally fastened with lock nuts to prevent the piston from
looseness and to play a role in sealing. Cylinders, liners,
pistons, valves, valve seats, valve springs, seal rings, valve pot
covers, thread rings and cylinder heads at the fluid end of F-1300
and F-1600 mud pumps are all interchangeable. f) Spraying System
The spraying system consists mainly of spray pump, cooling water
box, and spray pipe, the function is to cool and rinse liners and
pistons to promote their service life. The centrifugal spray pump
can be driven by a sheave mounted on the input shaft extension
end or a separate motor and cooled and lubricated by water.
The durable fixed spray pipe is used. The spray pipe is mounted on
the liner end cover and the frame. Nozzle is face to the piston end
so that the lubricatingcooling fluid can rinse the contact surface
between the piston and liner all the time. g) Lubricating System
The power end uses the combined lubricating system of Charles Rig
Supplies, Inc. forced lubrication and splash lubrication. The
pressure oil is conveyed through
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