Hunan Teila Heavy Industry Machinery Service Co., Ltd.

Used Zoomlion 47m Concrete Boom Pump

Product Description of Used Zoomlion China 47m Concrete Pump

  • Compact in design, the 47m pump mounted on a 3-axle truck.
  • Efficient pump unit, ideal for long time use.
  • Agile placing boom with 4 arms with unfolding height 9.1m only, which gives a wide work range.
  • One side lateral support enables to work in narrow sites.
  • The controller is designed for heavy-duty use, with a monitor which monitors the pump intelligently on working data management, real-time diagnostics, alarm logging, and service interval notice.
  • Various configurations and high-quality components.
  • Damping technology boom.
  • Boom stabilization control.
  • Multilingual man-machine interface system.
  • PWM+CAN dual communication mode remote control.

Technical Parameter
Brand Zoomlion
Chassis Brand Mercedes Benz3341
Model ZLJ5336THB 47X-5RZ
Released date 2012
Chassis Cabin Benz Actros3341
Drive mode 6*4
Engine model OM501LA.III/17
Emission standard Euro3/11.946L
Max output power(kW/rpm) 300/1800
Max torque(N·m/rpm) 2000/1800
Transmission model G240-16
Rear axle: ratio/loading capacity HL7500,5.33/22.06 tons
Braking system Full air, dual circuit
Wheelbase(mm) 4500+1350
Tire 295/80R22.5
GVW (Kg) 33600
Overall dimension(mm) 12000*2500*4000
Boom&Pump system Vertical reach 47m/4 section
Pipe size 125mm
End Hose(L*D) 3000*125mm
Output (Low/High-pressure) 120/70m³/h
Pressure (Low/High-pressure) 7/11 Mpa

Analysis of frequency conversion of concrete mechanical pump

Carbon fiber is the anisotropic material with a density of 1.7g/cm, which is only 20% of steel. But the fiber directional strength can reach 3500mpa, and the excellent performance can reach over 5300mpa, which is three times of steel strength. The lightweight design can not only realize the "no fatigue" of the cantilever and extend the service life but also reduce the weight of the boom by 40% and the fuel consumption by more than 15%.

The external connecting rod and connecting shaft connection reduce the gap between the cantilever and cantilever, reducing the shaking amplitude of the arm frame by 30%. The vibration amplitude of cantilever can be controlled within 0.2m through frequency conversion technology and the second generation cantilever flexible control technology. And after a new optimized Angle and length of six section technology, the arm Angle range from 90 ° to 120 °, effectively reducing the placing blind area. The intelligent support system ensures that the arm pump can work safely even if the legs are in a contraction state. After the supporting leg retracts, the pump truck can determine the safe placing range and change the placing position according to the span value of the supporting leg.

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