| 摘要 |
PCT No. PCT/EP97/03094 Sec. 371 Date Oct. 26, 1998 Sec. 102(e) Date Oct. 26, 1998 PCT Filed Jun. 13, 1997 PCT Pub. No. WO97/47543 PCT Pub. Date Dec. 18, 1997The invention pertains to a rider roll unit for winding machines with at least one support or carrier drum for winding web-like material to be wound with at least one rider roll (1) rotatably mounted to a tie-bar (2) for placing the roll (12) to be wound under a load, as a function of its diameter with pivotably mounted arms (3) to support the tie-bar (2) and with a drive (9) for pivoting the support arms (3) as a function of the change in diameter of the roll (12) to be wound. For optimizing the winding structure, the tie-bar (2) with the rider roll (1) can pivot at the support arms (3) around the first axle (10) parallel to the support roll, and a guide-bar (4) hinged at the tie-bar (2) around a second axle (11) parallel to the support roll causes a forced pivoting of the tie-bar (2) with the rider roll (1) about the first axle (10), when the tie-bar (2) with the rider roll (1) is lifted in accordance with the increasing diameter of the roll, so that the acting direction of the rider roll (1) changes on the roll (12). Thus, the operating direction of the rider roll is always at a right angle with respect to the surface of the wound roll making it possible to use highly sensitive control means to control the contact pressure. |
