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Introduce :
QRY50 rough terrain crane is a kind of telescopic growth and swing type crane which travels with tire type  chassis. It is composed of the superstructure and undercarriage. The superstructure is the lifting element, composed of the telescopic growth, jib, principal winch, aux. winch, luffing mechanism, counterweight, swivel table, and so on. The undercarriage is composed of the suspension and wal ept component. The superstructure and the undercarriage are linked by the slewing bearing.
Major attributes:
1. Entrance-wheel steering, rear-wheel steering, four-wheel steering and crab steering, all-wheel drive, off-street  
  Performance, suitable for off-freeway vacation.
two. The axle adopts KESSLER+CO (Germany), with axle differential lock.
three. The gearbox adopts ZF brand name or Dana brand (Optional)
four. The brake system is imported from American Mico organization
5. Completely extended outriggers operation, with semi-extend outriggers operation, without outriggers operation and traveling with load operation can be recognized.
6. Ideal for narrow space travel and operations little turning radius strong maneuverability.
7. Risk-free and dependable manage program, two seats or one particular seat can be optional, all-directional lifting procedure, tremendously enhanced the potential of the front lifting.
eight. The crane has good traffic-potential, dynamic efficiency and mobility, and is able to function in every route and travel even though hoisting without having outriggers. The merchandise is extensively employed in weighty lifting functions, short distance transfer, narrow-website lifting operations for construction sites, out of doors oilfields, warehouses, freight yards, logistics basses and other internet sites.
 
Security gadget:
Security unit consists of torque limiter, swing table lock unit, winch in excess of-winding and more than-relaxation protect unit, outrigger lock system, outrigger bidirectional hydraulic lock, rear axle steering lock and rear wheel return detector, emergency steering energy system, gradienter, hydraulic technique overflow valve, balance valve.
1) Torque limiter
 Detecting perform:Detect the angle of the boom routinely.
 Display operate: Present functioning data such as actual load,dealing with radius,boom angle.
 Caution operate:When the real load exceeds rated lifting load,Torque limiter will give an alarm and quit the  
 operation.
two) Swing table lock gadget
  During the driving process,a plug system is employed to join the swing desk and the provider to maintain the steering parts (swing table, boom) from swing induced by inertia.
3) Winch over-winding shield device
  When the load reaches a specific height,torque limiter will end the falling and indicating light on the instrument
  panel will be on.
4) Winch in excess of-relaxation protect device
  When only 3 laps of rope is left on the winch,torque limiter will stop the falling and indicating light on the
  instrumentation board will be on.
5) Outrigger lock device
  During the driving process,a plug unit is employed.By plugging the outrigger,the unit deeps it from extending.
six) Outrigger bidirectional hydraulic lock
  Outrigger bidirectional hydraulic lock is employed to insure the horizontal and vertical cylinder will not
  automatically retract when outriggers are in the extending point out .
seven) Rear axle steering lock and rear wheel return detector
  During the driving approach,only entrance axle steering is necessary and the rear need to be returned aligned.For this
  reason a lock device is utilized and indicating light-weight on the instrumentation board shows the status.
eight) Emergency steering power unit (crisis pump)
  If there is an emergency that the motor can not be started out, the crane can be dragged by other vehicles. The   
  emergency pump is pushed by battery and supplies electrical power to electrical power cylinder.

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The use of original tools manufacturer’s (OEM) part quantities or emblems , e.g. CASE® and John Deere® are for reference purposes only and for indicating merchandise use and compatibility. Our company and the outlined alternative areas contained herein are not sponsored, approved, or created by the OEM.