20 ton Knuckle Boom Crane

The knuckle boom crane is a kind of vehicle which is composed of crane and truck chassis. It is composed of lifting arm, turntable, frame, leg and so on. It realizes the mechanical action of the truck crane through the action of the mechanism such as luffing, stretching, turning and winch, and realizes the lifting operation through the combination of different actions. Truck crane is a kind of lifting, transport as one of the new efficient lifting transport equipment, some can also make the box into a form of flat dump, with its fast, flexible, efficient, convenient and loading and unloading, transport multi-functional advantages by more and more users know and accept. It can be divided to be front truck mounted crane and rear truck mounted crane.

Main Features

  • 1. Knuckle boom crane works at a higher power.
  • 2. Knuckle boom crane is suitable for the narrow working conditions.
  • 3. Knuckle boom crane can be equipped with various sling auxiliaries.
  • 4. Knuckle boom crane takes up less vehicle space.
  • 5. Advanced 3D design and stress analysis , reasonable structure to ensure the product reliability.
  • 6. Hydraulic components matching reasonably ,high efficiency , durable .The mounting dimensions are suitable for all chassis requirements.
  • 7. The structural parts are made entirely of high-strength steel plates , realizing the optimal design of “U” shape for the super-long boom.
  • 8. High strength , good toughness , dead weight , strong lifting capacity.
  • 9. Double pump confluent hydraulic system makes the crane working speed more reasonable : Adopt the new high pressure plunger motor winch structure , cooperate with hydraulic winch . Ensure the system stability , compact structure , single rope tension ,high efficiency.

Parameters

 Knuckle Boom Truck Mounted Crane 
Description/Model  Unit  SQ760ZB6
Max. Lifting Moment Kn.m 760
Lifting Capacity kg/m 25000/3.0
6500/9.5
4200/12.9
3500/14.7
Max. Lifting Height  m 17.5
Max. Working Radius  m 14.7
Boom Type/Section Stages 6
Swing Angle  Continuous  
Rated Pressure  Mpa 28
Rated Oil Flow L/min 80
Oil Tank Capacity L 250
Outtrigger Span  mm 2330-7100
Crane Weight Kgs 8200
Swing Type Planetary Gear Reduction
Safety Device  Load Indicator , Hydraulic Safety Valve , Counter Balance Valve , Automatic Swing Brake , Hook Safety Device 
Options Hydraulic Winch , Boom Length , Remote Control .
Material  HG785
Note:Other non-standard products , pls contact us freely .

 

Applications

1. Loader crane: It can help load and unload trucks and other tipes vehicles , it works with high efficiency in loading crane’s field . Mainly can be used construction fields , transportation and logistics ,workshop , Mining and inspection/cleaning/repair of the machine , large machine load and unload on the vehicles in workshop or yard.

2. Timber and sectional material : it can be matched with the timber grab bucket , original peel bucket and son on.

3. Precast concrete segment loading and unloading : it can load the bridge concrete segment and maintenance of the bridge . It also be widely used in precast site to load some concrete precast elements.

4. Municipal works : It can help load and unload the electric wire pile and trees.

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