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QRY collection of rough terrain crane is a kind of telescopic growth and swing variety crane which travels with tire kind chassis. It is composed of the superstructure and undercarriage. The superstructure is the lifting part, composed of the telescopic boom, jib, main winch, aux. winch, luffing mechanism, counterweight, swivel desk, and many others. The undercarriage is composed of the suspension and wal ept part. The superstructure and the undercarriage are connected by the slewing bearing.

Main features:
1) Front-wheel steering, rear-wheel steering, 4-wheel steering and taxi steering, all-wheel travel, off-street efficiency, suited for off-freeway vacation.
2) All functions can be extended outriggers, semi-stretch outriggers function, all diminished outriggers perform, outriggers work and do not flight site visitors load.
three) Ideal for slim room vacation and operations tiny turning radius powerful maneuverability.
4) Protected and reliable management program, two-seats, all-directional lifting procedure, drastically enhanced the ability of the front lifting procedure.
five) The crane has very good site visitors-capacity, dynamic overall performance and mobility, and is able to function in each and every route and travel while hoisting with out outriggers. The item is extensively used in heavy lifting functions, short-distance transfer, slim-web site lifting operations for development web sites, outdoor oilfields, warehouses, freight yards, logistics basses and other web sites.
 
Safety system:
Basic safety system involves torque limiter, swing desk lock system, winch in excess of-winding and above-rest shield unit, outrigger lock system, outrigger bidirectional hydraulic lock, Rear axle steering lock and rear wheel return detector, unexpected emergency steering power system, gradienter, hydraulic system overflow valve, equilibrium valve.
one) Torque limiter
 Detecting perform: Detect the angle of the growth automatically.
 Display purpose: Show running details this sort of as actual load, handling radius, growth angle.
 Caution function: When the actual load exceeds rated lifting load, Torque limiter will give an alarm and cease the procedure.
two) Swing desk lock system
  During the driving process, a plug system is utilized to hook up the swing desk and the carrier to preserve the steering components (swing table, boom) from swing caused by inertia.
3) Winch above-winding safeguard device
  When the load reaches a specified peak, torque limiter will end the falling and indicating gentle on the instrumentation board will be on.
four) Winch over-relaxation defend system
  When only 3 laps of rope is left on the winch, torque limiter will cease the falling and indicating mild on the instrumentation board will be on.
five) Outrigger lock gadget
  During the driving procedure, a plug device is employed. By plugging the outrigger, the unit deeps it from extending.
six) Outrigger bidirectional hydraulic lock
  Outrigger bidirectional hydraulic lock is used to hold each horizontal and vertical cylinder form retraction.
7) Rear axle steering lock and rear wheel return detector
  During the driving method, only entrance axle steering is required and the rear ought to be returned aligned. For this purpose a lock gadget is employed and indicating gentle on the instrumentation board shows the status.
8) Emergency steering electricity system (unexpected emergency pump)
  If there is an crisis that the motor are not able to be started out, the crane can be dragged by other vehicles. The unexpected emergency pump is driven by battery and materials electrical power to electrical power cylinder.

Technologies specification:
 

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