LSD Double Girder Overhead Mobile Crane, Workshop Bridge Crane

1.heavy loading 5-400T, 2.nice appearance., 3.high working efficiency A3-A7, 4.excellent after-sell service - details see: https://www.machineto.com/lsd-double-girder-overhead-mobile-crane-workshop-bridge-crane-10102017

Feature:Other	Application:Plants, warehouses, workshop, yard,Outdoor	Rated Loading Capacity:5-400T	Rated Lifting Moment:6-30m
Max. Lifting Load:5-400T	Max. Lifting Height:30	Span:12-32 m	Place of Origin:Liaoning China (Mainland)
Brand Name:Longshida	Model Number:QD	Warranty:12 MONTHS,12 Months	Name:Gantry Crane
Condition:New	Working Grade:A5-A7	Color:as per customer's requirements	Control:Cabin or Romote or Both

LSD -- Double Girder Overhead Mobile Crane

Introduction

Double girder gantry crane with hook is applied outside warehouse or railway sideways to do common

lifting and unloading works, this kind of crane is composed of bridge, support legs, crane traveling organ, trolley, electric equipment, strong lifting winch, the frame adopts box-type welding mechanism, crane traveling mechanisms are operated in the driver cabin or remote control, Power is supplied by cable or

slide wire, there are different capacity double beams gantry crane for your choice according to

your different use.

Production Technology and Components

Beam	High technique, torsion-free box girders, no welding one whole type, strong and beautiful
Electrical parts	Siemens brand/Schneider brand
Motors	Frequent starting , reversing & braking, dust proof construction foot / flange mounted TESC / TEFC , Sq. cage motors with integrated safety brakes, insulation class F-H, IP54 protection for hoisting, CT & LT motions. Squirrel Cage Induction Crane duty motors of reputed make (Motors may be used preferably of JIAMUSI/WUXIHONGDA make), CDF25%, Totally enclosed, fan cooled, Insulation Class-F & confirming to relevant latest GB/T 1032-2005.
Brakes	Independent Hydraulic Brake Conical rotor type or "Fail to safe" action type Electro-hydraulic drum / disc brakes type to be provided to hold the mechanism in position instantaneously as soon as the power supply is 'OFF' either accidentally or intentionally for all motions.
Gear Box	Accurate hob cut helical / spur gears & pinions having hardness 250 to 350 BHN made from carbon alloy steel, smooth operation & long life, can equipped with SEW/ABB brand high quality gear box
Electrical Panel	Modular design, ease to install and maintain, reliable operation, fuses less circuitry, ducted wiring and compact terminals. Motor overload protection to prevent overloadingIf cabin control, it can be equipped with Air-conditioning and with easy and conveniet control panel.
Limit Switch	For over Hoisting and Over lowering: Shunt, adjustable type. Two way lever type for CT both direction and LT both direction of reputed make.Safety limit switches for stoppers will be provided to prevent over traveling in all motions
Wiring	All the panel wiring should be done by using standard multi core Copper PVC insulated cables of reputed make.
Control Panel	Through Cabin Control as also with Master Controller with Push Button for ON, OFF, UP, DOWN, Forward, Reverse, Left, Right, Bridge Light & Emergency Stop. Operating safe Voltage 36Volts, hanging in the end of Bridge Girder.The control panel of crane should consist of Fuses, reversing air breakers, step down transformer, relay etc. The wires / cables should be numbered as per circuit diagram. Circuit diagram covered with sheet to be provided on the inside of panel door.
Safety feature	Crane manufacturer can supply Overload protection. Main lifting motor with thermal protection. Hooks with latch. Rubber buffers. Protective earthing. Crane switch and travel end switch. Emergency switch can stop all movement when any dangerous happened. Sub-assemblies characteristic are tested before assembly. All cranes must be pre-assembled and tested before leaving factory and offer the certification of test