| 摘要 |
A pump crane is disclosed, being mounted on a slurry wagon (1) or trailer by means of a turntable and comprising a crane arm with intermediate parts (12, 15, 16) connected by knuckle joints (13), a piping from the turntable to a hydraulic pump head (5), and means for pumping slurry through the piping, wherein the pump crane further comprises means for swinging, raising, lowering, unfolding and folding the crane arm and the piping is composed of solid pipe sections in the intermediate parts and flexible slurry hoses (8) in the knuckle joints, which are double-hinged, each knuckle joint being rotatably connected to two intermediate parts in such a way that there is a physical distance between the two pivot points, in which the knuckle joint can be rotated relatively to each of the two intermediate parts, respectively. Furthermore, a slurry wagon or trailer (1) comprising such a pump crane is disclosed. |
