摘要:
A connecting arrangement comprises a shaft (2), a sleeve (14) provided with external screw thread (17) and mounted on the shaft (2), a rotation element (7) provided with internal screw thread (10) which is screwed onto the external screw thread (17) of the sleeve (14) from a first end, as well as locking means (18-21) for locking the rotation element (7) with respect to the shaft (2). The locking means (18-21) are provided at the end of the screw threads (10, 17) opposite the first end.
摘要:
The invention is directed to a suction tube device (2), comprising a frame (9), a tube (15,18), a centrifugal pump (16) which cooperates with the tube and a cutter head (6) at one end of the tube, said tube (15,18), centrifugal pump (16) and cutter head (6) being supported by the frame (9), said centrifugal pump (16) and said cutter head (6) each being provided with a drive system, the drive systems of the centrifugal pump and of the cutter head each comprising at least one motor (21,22,12), wherein a motor (12) of the drive system (11) of the cutter head (6) and a motor (21,22) of the drive system (27) of the centrifugal pump (16) are interchangeable with respect to each other.