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1. 发明申请

WO2007137970A1 STEERING TRAILER OR SEMI-TRAILER 审中-公开
标题翻译：转向拖车或半拖车
公开(公告)号：WO2007137970A1
公开(公告)日：2007-12-06
申请号：PCT/EP2007/054947
申请日：2007-05-22
申请人： SANSAVINI STEERING SYSTEMS di Bertozzi Sansavini Fabrizio , BERTOZZI SANSAVINI, Fabrizio
发明人： BERTOZZI SANSAVINI, Fabrizio
IPC分类号： B62D13/04
CPC分类号： B62D13/04 , B62D13/025
摘要： A steering trailer or semi-trailer (1) of the type provided with a device (5) for detecting the angle of displacement between a motor-driven towing vehicle (6) which is being steered and the trailer or semi-trailer (1) in order to control the corresponding steering of at least one steering axle (3,4) of the trailer or semi-trailer (1), the axle having opposing steering hub means interconnected with one another and at least one of which is subject to a steering actuator (13), the trailer or semi-trailer (1) comprises, for each steering axle (3,4), a hydraulic control cylinder (25, 26) belonging to the detection device (5) and a hydraulic actuator cylinder (13) belonging to the steering actuator, these cylinders (13, 25, 26) both being dual-acting and having a double chamber (13a, b;23a,b;24a,b) of identical overall working volume, and being interconnected with one another such that the corresponding chambers are in mutual hydraulic connection via a transfer circuit (15) for the fluid pumped from a chamber (23a, b; 24a, b) of the control cylinder (25,26) to a corresponding chamber (13a, b) of the actuator cylinder (13) and vice versa.
摘要翻译：一种设有装置（5）的转向拖车或半拖车（1），用于检测被转向的电动牵引车辆（6）与拖车或半挂车（1）之间的位移角，为了控制拖车或半挂车（1）的至少一个转向轴（3,4）的对应转向，所述轴具有相互联接的相对的转向轮毂装置，并且其中至少一个受到一个对于每个转向轴（3,4），拖车或半拖车（1）包括属于检测装置（5）的液压控制缸（25,26）和液压致动器气缸（这些气缸（13,25,26）都是双作用的并且具有相同的整个工作体积的双室（13a，b; 23a，b; 24a，b），并且与使得相应的腔室经由用于流体pu的传送回路（15）相互液压连接从一个房间（23a，b; 24a，b）到致动器缸（13）的相应腔室（13a，b），反之亦然。

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