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QRY sequence of tough terrain crane is a type of telescopic growth and swing sort crane which travels with tire variety chassis. It is composed of the superstructure and undercarriage. The superstructure is the lifting component, composed of the telescopic increase, jib, main winch, aux. winch, luffing system, counterweight, swivel table, and so forth. The undercarriage is composed of the suspension and wal ept part. The superstructure and the undercarriage are linked by the slewing bearing.

Main features:
1) Front-wheel steering, rear-wheel steering, four-wheel steering and cab steering, all-wheel travel, off-highway functionality, appropriate for off-freeway vacation.
2) All functions can be extended outriggers, semi-extend outriggers perform, all diminished outriggers perform, outriggers work and do not flight targeted traffic load.
three) Appropriate for narrow room travel and functions little turning radius robust maneuverability.
4) Safe and dependable control technique, two-seats, all-directional lifting procedure, greatly increased the potential of the entrance lifting operation.
5) The crane has excellent targeted traffic-ability, dynamic overall performance and mobility, and is capable to function in each and every direction and journey even though hoisting with out outriggers. The item is commonly utilized in weighty lifting functions, quick-length transfer, slender-internet site lifting functions for design sites, out of doors oilfields, warehouses, freight yards, logistics basses and other internet sites.
 
Security unit:
Protection gadget includes torque limiter, swing desk lock device, winch in excess of-winding and over-peace defend unit, outrigger lock device, outrigger bidirectional hydraulic lock, Rear axle steering lock and rear wheel retur400 Collection The four hundred Series has been developed to meet up with the need to have for a higher-and low-velocity, cost-free-wheeling torque limiter. It differs from prior ball detent patterns by employing two sets of balls on concentric pitch circles.n detector, unexpected emergency steering energy unit, gradienter, hydraulic program overflow valve, harmony valve.
one) Torque limiter
 Detecting operate: Detect the angle of the increase automatically.
 Display function: Demonstrate operating details this sort of as true load, managing radius, increase angle.
 Caution operate: When the real load exceeds rated lifting load, Torque limiter will give an alarm and end the operation.
2) Swing table lock unit
  During the driving method, a plug gadget is used to join the swing desk and the carrier to preserve the steering areas (swing desk, boom) from swing triggered by inertia.
three) Winch in excess of-winding safeguard device
  When the load reaches a specified top, torque limiter will stop the slipping and indicating gentle on the instrumentation board will be on.
four) Winch in excess of-peace safeguard system
  When only 3 laps of rope is still 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 procedure, a plug system is utilized. By plugging the outrigger, the unit deeps it from extending.
6) Outrigger bidirectional hydraulic lock
  Outrigger bidirectional hydraulic lock is utilized to keep both horizontal and vertical cylinder sort retraction.
seven) Rear axle steering lock and rear wheel return detector
  During the driving process, only front axle steering is essential and the rear ought to be returned aligned. For this cause a lock system is used and indicating gentle on the instrumentation board exhibits the standing.
eight) Crisis steering energy unit (crisis pump)
  If there is an emergency that the engine cannot be started out, the crane can be dragged by other cars. The crisis pump is pushed by battery and materials electricity to electrical power cylinder.

Technologies specification:
 

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