System for guiding vehicles
阅读：401发布：2023-07-27
专利汇可以提供System for guiding vehicles专利检索，专利查询，专利分析的服务。并且An automatic steering mechanism for mounting on a steerable vehicle to guide it along a slot in a track has a feeler mounted forwardly of the front wheels of the vehicle to engage in and sense the position of the slot. Movements of the feeler laterally with respect to the vehicle are transmitted through a system of incompressible links to control an hydraulic ram. The ram movement is damped and applied to the track rod of the vehicle.，下面是System for guiding vehicles专利的具体信息内容。
1. An automatic steering mechanism for mounting on a steerable vehicle to guide it along a guide slot in a track, said mechanism comprising: a. a feeler for entering the guide slot and sensing its lateral position relative to the vehicle, b. an arm extending from the mechanism and carrying said feeler at one end thereof, c. a mounting at the opposite end of said arm allowing the arm freedom about a vertical axis, d. auxiliary power means for connection to drive the steering gear of the vehicle, e. said auxiliary power means including a power control element, and f. a system of substantially incompressible mechanical links having substantially no free play mechanically connecting said arm only to said power control element in normal automatic steering operation for linking movement of said arm about said vertical axis to control said auxiliary power means.
2. An automatic steering mechanism as claimed in claim 1, wherein said auxiliary power means is an hydraulic ram having mechanical linkage for driving said steering gear, and a control valve connected to said system of incompressible links.
3. An automatic steering mechanism as claimed in claim 2 further including a quick-release mechanism for severing said mechanical linkage thereby disconnecting said hydraulic ram from said steering gear.
4. An automatic steering mechanism as claimed in claim 3 in which said mechanical linkage includes links and a ball and taper pin, said ball being connected in one of said links and said taper being connected in another of said links, and said quick-release mechanism includes means for shearing said ball from said taper.
5. An automatic steering mechanism as claimed in claim 2 including feedback means for applying a feedback movement from the output of the auxiliary power means to the system of mechanical links comprising resilient means connecting said hydraulic ram to said mechanical links in a manner tending to close said control valve in response to the steering movement of said hydraulic ram.
6. An automatic steering mechanism as claimed in claim 5 in which said resilient means comprises spring means resiliently coupling said hydraulic ram to said mechanical links, and further including mechanical damping means coupled to said mechanical links, said spring means and said damping means being so constructed and arranged with respect to said mechanical links that said feedback movement from said auxiliary power means to the system of mechanical links is initially resisted, thereby providing phase advance compensation.
7. An automatic steering mechanism as claimed in claim 1, further including mechanical means for applying a feedback movement from the output of the auxiliary power means to the system of mechanical links.
8. An automatic steering mechanism as claimed in claim 1 in which said arm extends forwardly of said mechanism and carries said feeler at its forward end, and said mounting being at the rear end of said arm.
9. An automatic steering mechanism as claimed in claim 1 further including mechanical coupling means for mechanically coupling said links to said steering gear to maintain control of said vehicle in the event of failure of said steering mechanism.
10. An automatic steering mechanism for mounting on a steerable vehicle to guide it along a guide slot in a track, said mechanism comprising: a. an arm extending from the mechanism, b. a mounting at one end of the arm allowing said arm freedom for pivoting movement about vertical and horizontal axes, c. means engaging said arm for lifting it about its horizontal axis to an inoperative position, d. a feeler mounted at the opposite end of said arm, e. auxiliary power means for connection to drive the steering gear of the vehicle, f. said auxiliary power means including a power control element, and g. a system of rigid, mechanical links having substantially no free play mechanically connecting said arm only to said power control element in normal automatic steering operation for linking movement of said arm about said vertical axis to control said auxiliary power means.
11. An automatic steering mechanism as claimed in claim 10, wherein said feeler comprises a pin pivotable about a horizontal axis at said opposite end of the arm, and wherein there is provided means for rotating said pin between a vertical, operative position and an inoperative position parallel to the arm when said engaging means lifts said arm to said inoperative position.
12. An automatic steering mechanism as claimed in claim 10, wherein said feeler comprises a pin mounted with freedom for rotation about its axis and having a wear-resistant outer surface.
13. An automatic steering mechanism as claimed in claim 10 in which said arm extends forwardly of said mechanism, said mounting being at the rear end of said arm, and said feeler being mounted at the forward end of said arm.
14. A vehicle having steering gear connected to steerable wheels and automatic means for controlling said steering gear to guide the vehicle along a guide slot in a track, said automatic means comprising: a. an arm extending longitudinally and downwardly from forward of the steering wheels, b. a feeler mounted at one end of said arm for entering said guide slot and sensing its lateral position relative to the vehicle, c. a mounting at the opposite end of said arm secured to the vehicle and providing freedom for said arm about a vertical axis, d. a system of substantially incompressible mechanical links having substantially no free play connected to said arm, e. auxiliary power means connected to be controlled by said system of mechanical links and to drive said steering gear in the sense to maintain the vehicle in a predetermined position relative to the guide slot, f. said auxiliary power means including a power control element, and g. said system of mechanical links mechanically connecting said arm only to said power control element in normal automatic steering operation for linking movement of said arm about said vertical axis to control said auxiliary power means.
15. The vehicle as claimed in claim 14 in which said arm extends forwardly and downwardly from adjacent the steering wheels, said feeleR being mounted at the forward end of said arm, and said mounting being at the rear end of said arm.
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