47-meter r-type foldable arm rack concrete pump truck and a producing method thereof
A technology for concrete pump trucks and booms, which is applied in the direction of control devices, vehicle components, machine platforms/supports, etc., which can solve the problems of affecting work efficiency, limited pumping height, and insufficient pumping volume, and achieves small deployment space, Improve the service life of pumping and improve the effect of technological content
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[0040] The 47-meter R-type folding boom concrete pump truck of the present invention is mainly divided into four parts in terms of its structure and performance: a boom system, a pumping system, a hydraulic system and an electrical system.
[0041] The oil pump of the boom hydraulic system of the present invention adopts an axial plunger pump with variable load sensing, which can automatically adjust the inclination angle of the swash plate according to the actual working load of the boom to meet the actual flow rate of the boom and reduce the hydraulic pressure of the upper part of the hydraulic system. fever. The electrical system adopts PLC programmable control system, and the wireless remote control device of the human-machine interface, which makes the operation more reliable and safe, and prolongs the trouble-free working time. The pumping hydraulic system is equipped with double safety devices of main oil pump pressure cut-off and safety valve, which effectively improve...
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