Drum: Rope drum will be
fabricated out of rolled mild steel plates / seamless pipe of adequate
capacity as per IS-226/made out of graded cast steel. The drum will be
grooved/UN grooved and suitable side flanges will be provided on both
sides of the drum. The drum will be keyed to the main drum shaft. The
shaft will be free to rotate on standard self aligning double row bearing/gun
metal bushes, fitted inside the fabricated side brackets, for smooth operation.
Drum
Capacity: The
drum will be capable of accommodating complete length of 6 X 37 construction
wire rope in layers as per quotation.
Wire
Rope: Un
galvanized steel core / Fiber core wire rope having breaking strength
of 180Kg/mm² will
be provided, if quoted.
Motor: Squirrel cage induction
motor having class ‘B’ insulation, suitable for 400/440V, III phase 50Hz
A.C supply conforming to IS – 325 will be provided. The motor will be
dynamically balanced for vibration free service. GEC/Siemens/Crompton/GEC
makes motor will be totally enclosed type.
Break: III phase electro-magnetic/Electro-Hydraulic
Thruster break of suitable dia will be provided in between the motor
and reduction gear box over break drum coupling.
Reduction: Reduction will be through
Spur/Helical speed reduction gear box having multi-stage gears and pinions,
enclosed in fabricated housing, with broad bearing seats, for antifriction
bearings. The gear box output shaft will be extended for mounting drive
pinion and will be designed for desired operating load.
The
torque rating of the gear box will be equal to or in excess of the low
speed torque requirement under maximum load. The gearing will be designed
and manufactured to comply with relevant Indian standard code. Bearing
will be selected in accordance with Indian standard/manufacturers recommendations.
Shafting: The
stub shafting in rope drum assembly will be of hard drawn steel, round
machined, taper in design for smooth flow of stress.
Flexible
Coupling: A
pin bush type flexible coupling will be provided in between the motor
and reduction gear box.
Centrifugal
Break: A
centrifugal break can be provided in the extension of the first stage
shaft of the reduction on gear box for control of over lowering speed
while lowering of the load id quoted at extra price.
Electrical
Control: Electrical
control of the WINCH will be through a push button starter having overload
protection relay, fuses, and buttons for ON, OFF, FORWARD and REVERSE
motion.
Operator’s
Seat: A
suitable operator’s seat if necessary will be provided on WINCH frames
that all the control will be within the easy reach of the operator.
Painting: The WINCH will be painted
as per relevant specification.
Inspection: Inspection of the equipments
can be carried out at our Chinchwad (Pune) works by our authorized representative
before dispatch.
Load
test: No
load, full load tests of the WINCH can be carried out at our Chinchwad
(Pune) works in the presence of your authorized representative before
dispatch.
Manual: Instruction and maintenance
manual indicating the details along with spare parts catalogue will be
supplied along with the WINCH.
