Boom concrete pump truck and concrete pump truck

摘要

Summary of concrete pump truck boom concrete pump truck and the present invention provides a spear of truck concrete pump, which has a folded state and an unfolded state includes seven sections, the spear spear articulated in sequence, in the folded state, the seven s. Eu00e7u00f5es boom are essentially arranged in five straight lines connected to each other.And at least the last two sections of the posts are in the same straight line. Since the seven sections of the posts are essentially arranged in five straight lines connected to each other, the overall dimensions of the sections of the spear can be reduced considerably, and the requirements for the road conditions can easily be found.In addition, in the folded state, at least the last two sections of the posts are in the same straight line; consequently, the flexibility and the operability of the spear to distribution of material can be extremely improved. This invention also provides a truck concrete pump which comprises the spear as described above. 1 / 1