Jim Wu
It will be helpful for operating or choosing a cone crusher if we are able to understand the Cone crusher's internal structure,this paper gives brief introduction.
1, Rack
Rack is rigid frame wall with openings above and below
which is used as a support to the eccentric shaft and withstand the
crushing material reaction.It requires sufficient strength and stiffness
and generally integrally casting with cast steel, it can be replaced as
quality cast iron for small Crusher. Mainframe rack required sub
cast,then firmly linked together as a whole with bolt. The rack which is
casted with thick steel plates can also be used for small cone crusher ,
but it has less rigidity.
2, Jaw plate and side guard plate
Fixed jaw and moving jaw are both composed with jaw
bed and jaw plate, jaw plate is the working part and is fixed with iron
bolts and wedges on the jaw bed. The jaw bed of fixed jaw is the
anterior wall of the rack, A moving jaw bed hanging on the walls and
should have sufficient strength and rigidity to withstand the crushing
force, most of which are steel or cast iron so.
3, Cone crusher transmission parts
Eccentric spindle axis is the spindle of a crusher
which have great bending-torsion as manufactured with high-carbon
steel.Eccentric parts need to be finish machining, heat treated and the
bearing pouring with babbitt alloy. Eccentric shaft mounted pulley at
one end and install flywheel the other end.
4, Cone crusher control device
Control device has wedge block type, pads type and
hydraulic type,etc.,in which wedge block type is generally used,
composed of two block wedge in front and back.the front one can moves
frontward or backward, resisted the back pushed board; the back wedge
block is for adjusting and can mobile up and down with screw arbor and
control the size of discharging gate.However the discharge gate of small
cone crusher is controlled by increasing or decreasing the number of
pad between the pedestal and rack.
5, Cone crusher flywheel
Cone crusher flywheel is to store energy for moving
jaw travel and formation for industrial, enable the mechanical work in
accordance with the uniform. Pulley also plays as a flywheel. Flywheel
is often manufacturing with cast iron or cast steel , minicomputer
flywheel is often made into one-piece.Static equilibrium should be paid
attention to during the process of Manufacture and installation. .
6, Cone crusher lubrication device
Eccentric shaft bearings are usually centralized
lubrication. Spindles and the bearing surface of the thrust plate
commonly used grease by hand grease gun oil. Moving jaw angle is very
small, causing the lubrication difficulties between the spindle and
bearing.It is usually the case we open a several axial bearing oil
groove at the bottom of bearing shell, driving a circumferential oil
groove in the middle to make it connected, then forced injection with
oil pump dry butter lubricating.
It will be helpful for operating a cone crusher of when problems occurs during which if the user is able to understand the Cone crusher's internal structure prior to the purchase
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