CN106741166A - 除雪车四轮转向系统 - Google Patents

除雪车四轮转向系统 Download PDF

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Publication number
CN106741166A
CN106741166A CN201611169888.7A CN201611169888A CN106741166A CN 106741166 A CN106741166 A CN 106741166A CN 201611169888 A CN201611169888 A CN 201611169888A CN 106741166 A CN106741166 A CN 106741166A
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CN
China
Prior art keywords
wheel
steering
controller
sensor
wheel sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201611169888.7A
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English (en)
Inventor
莫玉振
李旭俊
唐毅林
薛志敏
蒋春玲
吴亮熹
陈泳松
杨涵智
邱翰健
刘宗鸿
韦慧冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinotruk Liuzhou Yunli Special Purpose Vehicle Co Ltd
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Chinese Chongqijituan Liuzhou Capacity Kodiak Machinery LLC
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Publication date
Application filed by Chinese Chongqijituan Liuzhou Capacity Kodiak Machinery LLC filed Critical Chinese Chongqijituan Liuzhou Capacity Kodiak Machinery LLC
Priority to CN201611169888.7A priority Critical patent/CN106741166A/zh
Publication of CN106741166A publication Critical patent/CN106741166A/zh
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/06Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/15Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/06Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/15Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
    • B62D7/1581Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels characterised by comprising an electrical interconnecting system between the steering control means of the different axles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)

Abstract

本发明公开了一种除雪车四轮转向系统,涉及特种汽车制造技术领域;包括用于控制整车动作的控制器、操纵手柄和人机交互单元,所述控制器从所述人机交互单元接收输入信号,并从所述操纵手柄接收控制信号,所述控制器将接收的输入信号和控制信号输出到PVG控制阀,所述控制器还接收前轮传感器和后轮传感器的转向信号;所述前轮传感器设在前轮转向装置,所述后轮传感器设在后轮转向装置。本发明可以解决现有的除雪车无法对场地死角的积雪进行有效清理的问题。

Description

除雪车四轮转向系统
技术领域
本发明涉及特种汽车制造技术领域,尤其是一种用于除雪的除雪车的四轮转向系统。
背景技术
目前除雪车的车轮转向系统大多以工程机械的转向系统为主,安装这种转向系统的除雪车在对机场进行除雪时,由于转向系统不够灵活,所以不能对场地死角的积雪进行有效的清理。
发明内容
本发明的目的是提供一种除雪车四轮转向系统,它可以解决现有的除雪车无法对场地死角的积雪进行有效清理的问题。
为了解决上述问题,本发明采用的技术方案是:这种除雪车四轮转向系统,包括用于控制整车动作的控制器、操纵手柄和人机交互单元,所述控制器从所述人机交互单元接收输入信号,并从所述操纵手柄接收控制信号,所述控制器将接收的输入信号和控制信号输出到PVG控制阀,所述控制器还接收前轮传感器和后轮传感器的转向信号;所述前轮传感器设在前轮转向装置,所述后轮传感器设在后轮转向装置。
上述技术方案中,更为具体的方案还可以是:所述前轮传感器设在前轮转向油缸,所述后轮传感器设在后轮转向油缸;所述前轮传感器和所述后轮传感器均为位移传感器。
更进一步:所述前轮传感器设在前轮横拉杆摆臂球头,所述后轮传感器设在后轮横拉杆摆臂球头;所述前轮传感器和所述后轮传感器均为角度传感器。
进一步:所述控制器为微处理控制器。
进一步:所述人机交互单元由显示器和键盘构成。
由于采用了上述技术方案,本发明与现有技术相比,具有的有益效果是:由于本发明在前后轮均设置了传感器,所以弥补了除雪车无法实现后轮转向以及无法监控前后轮转向的缺陷,对场地死角可以做到有效清除积雪。
附图说明
图1是本发明的方框示意图。
图2是本发明底盘协同模式转向示意图。
具体实施方式
下面结合附图和实施例对本发明作进一步详述:
图1和图2所示的除雪车四轮转向系统,包括用于控制整车动作的控制器1、操纵手柄2和人机交互单元3,控制器1从人机交互单元3接收输入信号,并从操纵手柄2接收控制信号,控制器1将接收的输入信号和控制信号输出到PVG控制阀4,控制器1还接收前轮传感器5和后轮传感器6的转向信号;前轮传感器5设在前轮转向油缸,后轮传感器6设在后轮转向油缸;前轮传感器5和后轮传感器6均为位移传感器。前轮传感器5还可以设在前轮横拉杆摆臂球头,后轮传感器6还可以设在后轮横拉杆摆臂球头;设在摆臂球头的前轮传感器5和后轮传感器6均为角度传感器。本实施例中,控制器1为微处理控制器。人机交互单元3由显示器和键盘构成。
当前轮和后轮同相位转向时,称为蟹型模式;当前轮和后轮反相位转向时,称为协同模式。当驾驶员通过操作显示器上的功能按键选择蟹型模式时,通过方向盘同时控制前轮和后轮的转向角度,使前轮和后轮同相位转动;控制器1监控前轮的前轮传感器5的转向角度数据,实时调控PVG控制阀4控制后轮的转向油缸,后轮传感器6将实时转向数据回传控制器1,确保后轮转向角度与前轮转向角度一致。在蟹型模式模式下,前后轮向左转动的最大角度为19.9度,向右转动的最大角度为27度。除雪车在蟹型模式下行驶时,车身可以与四个轮子保持一定的夹角向前或向后行驶,可将除雪装置延伸至除雪车两侧的工作盲区,清除场地或是道路死角的积雪,弥补了现有技术的缺陷。
当驾驶员通过操作显示器上的功能按键选择协同模式时,前轮转向通过方向盘进行控制,后轮转向通过操纵手柄2进行控制,需要后轮左转时,将操纵手柄2往左边倾斜,控制器1接收到操纵手柄2的电流信号,然后控制器1控制PVG控制阀4输出相对应的液压油至后轮转向油缸,从而控制后轮转向。在协同模式下,当前轮向左转动最大角度为19.9度时,后轮向右转动的最大角度为27度。除雪车在遇到狭窄道路或场地时前轮与后轮反相位转向,可以减小转弯半径,使车辆在有限的场地或道路更容易调头就位,协同模式可以实现快速调头,且操作更为轻便,机动性更强。
附图中的实线表示控制信号,虚线表示输入信号,双点画线表示液压信号。

Claims (5)

1.一种除雪车四轮转向系统,包括用于控制整车动作的控制器(1)、操纵手柄(2)和人机交互单元(3),所述控制器(1)从所述人机交互单元(3)接收输入信号,并从所述操纵手柄(2)接收控制信号,所述控制器(1)将接收的输入信号和控制信号输出到PVG控制阀(4),其特征在于:所述控制器(1)还接收前轮传感器(5)和后轮传感器(6)的转向信号;所述前轮传感器(5)设在前轮转向装置,所述后轮传感器(6)设在后轮转向装置。
2.根据权利要求1所述的除雪车四轮转向系统,其特征在于:所述前轮转向装置为前轮转向油缸,所述前轮传感器(5)设在所述前轮转向油缸,所述后轮转向装置为后轮转向油缸,所述后轮传感器(6)设在所述后轮转向油缸;所述前轮传感器(5)和所述后轮传感器(6)均为位移传感器。
3.根据权利要求1所述的除雪车四轮转向系统,其特征在于:所述前轮转向装置为前轮横拉杆摆臂球头,所述前轮传感器(5)设在所述前轮横拉杆摆臂球头,所述后轮转向装置为后轮横拉杆摆臂球头,所述后轮传感器(6)设在所述后轮横拉杆摆臂球头;所述前轮传感器(5)和所述后轮传感器(6)均为角度传感器。
4.根据权利要求1所述的除雪车四轮转向系统,其特征在于:所述控制器(1)为微处理控制器。
5.根据权利要求1所述的除雪车四轮转向系统,其特征在于:所述人机交互单元(3)由显示器和键盘构成。
CN201611169888.7A 2016-12-16 2016-12-16 除雪车四轮转向系统 Withdrawn CN106741166A (zh)

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Cited By (1)

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CN115583287A (zh) * 2022-10-10 2023-01-10 北京汽车集团越野车有限公司 后轮转向控制方法、装置、车辆、设备及存储介质

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CN115583287A (zh) * 2022-10-10 2023-01-10 北京汽车集团越野车有限公司 后轮转向控制方法、装置、车辆、设备及存储介质

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