Double Girder Crane

Standard Features of Double Girder EOT Crane

• Simple and optimum design ensuring minimum dead weight
• Wheel Load Headroom
• Reliable structure
• Available in Pendent Control Type and Radio Remote Control Type
• Single and double speed type
• Safe and reliable hoisting and traveling
• Higher efficiency to save power
• Cheaper in cost
• Fail safe type brakes (which are applied when power supply is off and released when power supply is on.)
• All motion are protected with limit switches
• Rubber buffers are provided as extra protection against collision in case of limit switch failure
• Dustproof panel box with reputed make switch gear or as per customer's approval
• 110 V Control voltage selected for protection of crane operator against any electrical shock
• With electrical Interlocking to prevent simultaneous operation of opposite motion
• Available with Radio remote Control operated type.
• Available in Class-I, Class-II, Class-III, and Class-IV, Dut

Specifications

• Equipments: Double Girder EOT Crane
• Capacity: Available in 1ton, 2ton, 3ton, 5ton, 7.5ton,10,12.5 ton, 15ton,20ton, 25ton, 30 ton, 32ton, 35ton, 40 ton, 50ton, 60 ton
• Lifting Height: Standard 6 meters (also available as per customers requirements)
• Test Load: 125% of SWL
• Span: Up to 25 meters or as per customers requirements
• Duty & Class: Available in Class-II, Class-III, & Class-IV light , medium and heavy duty
• IS Code: 807, 3177
• Type: Double girder
• Construction of crane: 
• End Carriages: The End Carriages are welded construction type and fabricated from plates and having box type constructions.
• Bridge Girders: The girders are of plate fabricated box type construction design to sustain all stresses arising due to vertical & lateral forces with impact to which they are subjected. The maximum deflection of the main girder is limited to 1/1000 the span of live loads including the weight of the trolley or hoist.
• Platform: M.S. Checkered plate/anti skid full-length platform shall be provided one side of the bridge girder.
• End Stopper: Steel end stoppers are provided on either side of the bring to limit the motion of the trolley. All the buffers will employ springs for shack absorption.
• Steel: Steel confirming to IS-2062 or equivalent is used in the manufacturing of the main load bearing.
• L.T. Drive System: Twin drive type.
• Ele. Motors: All motors are used in Crane are flange mounted type or foot mounted type squirrel cage or Slip ring type induction motor specially designed and manufactured as per IS 325 for crane & Hoist duty of reputed make S-4 duty, Squirrel cage or slipring type motor, 40% CDF, 150 S/hr., IP 55 with Class F insulation.
• Gearboxes: All gearboxes, which are used in Hoisting, L.T. and C.T., are helical type with M.S. Fabricated Housing, Pinions and output shaft are supported on antifriction type roller/ Ball bearings. All Gears and Pinions are of En-24/En-19 materials precision machined and teeth cutting by hobbing machine duly hardened to with stand the heavy loads.
• Brakes: Electro Hydraulic shoe type Thruster brake is providing in the Hoisting, L.T. & C.T. This brake is automatically released when the motor circuit is on and is applied the motor circuit is off.Also providing of Electro magnetic Disc type or Shoe type brakes for all motion as per customers request
• Wire Rope (Main Hoist): The make of wire rope will be used Usha-martin and selected as per 4 to 6 time factor of safety
• Rope Drum: The rope drum is of mild steel fabricated construction having right and left hand spiral grooves machined to suit the hoisting ropes. The drum is of such length that there is not more than one layer when rope is full wound.
• Bottom Block: Bottom Block Assembly consisting of forged steel hook single shank type as per IS 3815 mounted on thrust Ball Bearings, with required diameter rope sheave and hook plates made out of steel
• Wheels: The wheel of the trolley & the end carriage will be used forged steel conforming to IS 2707 GR.II duty spin hardened to 300 BHN or steel cast EN-9, material, double flanged straight tread type fitted with antifriction type bearings mounted on section type bearing housing easy to maintenance.
• Couplings: Half Geared Couplings are provided where required of reputed make
• Bearings: All moving parts of the crane are supported on the anti friction type ball/roller bearings. (all bearings are SKF/ZKL or equal ant make)
• Painting: The structural parts of the crane are thoroughly cleaned and applied with two coats of red oxide and two coats of enamel paints before dispatch.
• Supply Voltage: 415, 3ph., 50hz., Supply.
• Control Voltage: 110V.
• Ele. Panel: 
• Switch Gears: BCH, L&T, Siemens, TC or your approved equivalent Contactors, switches are providing in Ele. Panel
• Push Button: Pendent type with hanging chain or wire rope
• Ele. Cables: Flexible Copper Cable with ISI mark of reputed make
• Cross Traverse Cable: Cable Festoon track type along span of Crane or cable festoon type( Long travel in scope of purchaser)
• Limit switches: One numbers rotary-geared type limit switch of reputed make is provided to prevent over lowering & over hoisting, two nos. lever type limit switches for L.T. & C.T. Motion will be provided to stop L.T. & C.T. Motion