公开(公告)号：US4837694A

公开(公告)日：1989-06-06

申请号：US31998

申请日：1987-03-27

申请人： Toshihide Narita ,  Yoshio Kadokawa

发明人： Toshihide Narita ,  Yoshio Kadokawa

IPC分类号： B60K17/342 ,  B60K17/356 ,  B62D1/00 ,  B62D11/10 ,  G06F15/14

CPC分类号： B62D11/10

摘要： A skid steer vehicle having a set of right driving wheels and a set of left driving wheels, a right driving unit for driving the right driving wheels, a left driving unit for driving the left driving wheels, and a pitching control system to suppress a pitching motion of the vehicle, the pitching control system being provided with a pitching motion detector or detectors to generate a signal indicating occurrence of the pitching motion of the vehicle, and a control unit for individually controlling the right and left driving units until suppression of the pitching motion of the vehicle is detected.

公开(公告)号：US4517854A

公开(公告)日：1985-05-21

申请号：US441764

申请日：1982-11-15

申请人： Yasuhiro Kawabata ,  Yoshio Kadokawa ,  Nobuyuki Mori ,  Shinji Suzuki

发明人： Yasuhiro Kawabata ,  Yoshio Kadokawa ,  Nobuyuki Mori ,  Shinji Suzuki

IPC分类号： F16C17/00 ,  B62D1/16 ,  F16F7/00 ,  F16F15/08 ,  F16C27/06

CPC分类号： B62D1/16

摘要： A low-vibration steering device for use on industrial vehicles comprising a steering shaft rotatably supported at its lower end by a gearbox and connected to a steering wheel at its upper end, a tubular steering column enclosing the steering shaft with an annular spacing left between the inside diameter of the steering column and the outside diameter of the steering shaft, a steering column clamp secured to a chassis frame of the vehicle and holding the steering column at a portion above its middle portion, a flexible vibration shutoff member disposed between a lower end portion of the steering column and a portion of the steering shaft near its lower end to support the said lower end portion by said portion near said lower end, and an oil-impregnated bearing interposed between an upper end portion of the steering column and a corresponding upper end portion of the steering shaft and having a greater rigidity than the flexible member. The flexible member may be disposed between a lower end portion of the steering column and the gearbox to connect the former with the latter. The configuration of the flexible member is determined so that an elastic constant thereof is kept comparatively small while a load applied thereto due to a radial movement of the lower portion of the steering column relative to the steering shaft is small, but the constant becomes large when the load exceeds a preset limit.

摘要翻译： 一种用于工业车辆的低振动转向装置，包括转向轴，该转向轴在其下端由齿轮箱可旋转地支撑并在其上端连接到方向盘;管状转向柱，其围绕转向轴，其间留有环形间隔 转向柱的内径和转向轴的外径;固定在车辆的底盘框架上并将转向柱保持在其中间部分上方的转向柱夹具;柔性振动截止构件，设置在下端 所述转向柱的一部分和所述转向轴的一部分靠近其下端，以通过所述下端附近的所述部分支撑所述下端部，以及介于所述转向柱的上端部与相应的所述转向柱之间的浸油轴承 转向轴的上端部具有比柔性构件更大的刚性。 柔性构件可以设置在转向柱的下端部分与齿轮箱之间，以将前者与后者连接。 挠性构件的构造被确定为使得其弹性常数保持相对较小，同时由于转向柱的下部相对于转向轴的径向运动而施加到其上的载荷小，但是当常数变大时 负载超过预设限制。