| 摘要 |
A connecting device (101) for releasable connection of a tube or rod members (102), comprises a nodal body part (103) having at least one projecting, at least partially wedge-shaped mandrel member (104) and an at least partially wedge-shaped insertion member (105) for form-fit mounting in a tubular section (102) to provide an expansion joint by axial traction of the insertion member (105) towards the mandrel member (104). The mandrel member (104) and the insertion member (105) may advantageously be designed as part-cylindrical shell members having longitudinal edge surfaces (11, 112, 117, 118) forming an angle (v) with the direction of generatrix of the part-cylindrical member. The traction means comprise a traction member (107) retained, secured against turning in the insertion member and engaging an elongate tightening member (106) having a head (108) for engagement by a tightening means introduced through the nodal body part (3), the tightening member (106) being retained against axial displacement with respect to the mandrel member (104). |
