| 摘要 |
<p>Conveyor comprising a track (1) for a number of goods carriers (22). In order to move the goods carriers along the track a drive device is provided with a driver member (59) operating with a reciprocating movement which can entrain the goods carriers in the desired transport direction and move freely in the return direction. The track consists of a hollow profile (1) with a groove (11) which in the longitudinal direction of the track firstly has fully closed sections and secondly is provided with section having a side aperture (62). Plugs (26, 32) are inserted in the fully closed sections and between the plugs cylindrical spaces (40) are formed which enclose a piston (36) with a piston rod (38) which extends beyond the cylindrical space. In the open sections members (24) which can move along the groove are provided, these being combined with piston rod (38) and provided with the said carrier devices (59) which are accessible through the side aperture (62). A track for the goods carriers (22) is provided on the outside of the girder and the carrier devices (59) can make contact with the goods carriers through the aperture (62). The cylinder chamber (40) is connected to pipelines for a pressure medium so that the piston (36) or pistons can be moved backwards and forwards as a result of the introduction of pressure medium on different sides of the piston. The drive device (59) thus moves the goods carrier (22) in the desired transport direction. </p> |
