关键词: 井下巷道 , 泵送车 , 双动力 , 防爆

Abstract:

To address the challenges of low efficiency and high construction difficulty in traditional underground mine seal wall pouring, a new type underground dual - power explosion - proof concrete pump truck is developed. Due to the limited underground space of the whole vehicle can not meet the loading height of the roadway, the pump truck boom adopts rotary retractable type, which can withstand the weight strength of concrete and conveying pipe. The control mode adopts wireless remote control electric proportional load sensitive multi-way valve. The switch between the dual power is realized through the electrical control system, and the external power supply and chassis power supply are integrated to ensure the pumping and boom locking in the running state. The unique dimension and shape as well as the innovative boom design of the underground dual-power concrete pumping truck room greatly saves manpower and material resources, improves production efficiency and increases safety for sealing wall pouring operation in complicated environment of underground coal mine.