| 摘要 |
For the subsequent filling of cable ducts (5) with cables (1), the intermediate floor (7, 8) (see Patent Specification DE 3231027 C 2) must be pushed in, which is done using the apparatus mentioned above. In order to be able to install the pushing-in apparatus (2) more easily inside or outside the shaft, the cable duct (5) is lengthened by the linked-belt guide (9, 10), and the pushing-in device (2) is mounted on its end. The linked-belt guide (9, 10) may have various forms, on the one hand a normal metal protection tube and on the other a guide, consisting of individual steel segments which are clamped to one another and thus produce a rigid guide bar. The pushing-in device (2) is intended to be designed such that the friction wheels are used not only for pushing the intermediate floor (7, 8) in but also for pushing a plastic rod or metal cable with whose aid cables (1) can be pulled in. The plastic rod is used for pulling cables (1). The pushing in and pulling out is here carried out by means of the friction wheels which are present in the combined pushing-in apparatus (2), with or without profiling. The plastic rod or the metal cable is also guided through the linked-belt guide (9, 10). This method is novel. <IMAGE>
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