| 摘要 |
The invention relates to a hydraulic upper link (1) for a utility vehicle (67), which at one longitudinal end has a connection for connecting to a utility vehicle (67), and which at the other longitudinal end of the hydraulic upper link has a coupling means for coupling to a utility unit (68). The hydraulic upper link (1) has a hydraulically length-adjustable device (9), the one longitudinal end of which is connected to the connection (2), and the other longitudinal end (11) thereof is connected to the coupling means (8), wherein the length-adjustable device (9) is connected to a hydraulic supply device (13) by means of a hydraulic valve (12). For an advantageous further development, the hydraulic upper link (1) according to the invention has a position sensor (14) or is connected to a position sensor (14), by means of which position-actual values as a function of the length of the length-adjustable device (9) can be determined, the position sensor (14) and the hydraulic valve (12) are connected to an electronic device (15), the electronic device (15) has at least one storage suitable for storing and outputting position target values, to each of which a specific length of the length-adjustable device (9) is assigned, and the electronic device (15) has at least one regulator for actuating the hydraulic valve (12) such that during operation in at least one mode of operation of the electronic device (15), a length adjustment of the length-adjustable device (9) to a length that is assigned to a selected position target value results. |
