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1. WO2018180262 - WORK MACHINE AND METHOD FOR BRAKING WORK MACHINE

Publication Number WO/2018/180262
Publication Date 04.10.2018
International Application No. PCT/JP2018/008429
International Filing Date 05.03.2018
IPC
B60T 13/125 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
12the fluid being liquid
125Systems using brake pressure distributor valve without master cylinder
B60T 7/16 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
7Brake-action initiating means
12for automatic initiation; for initiation not subject to will of driver or passenger
16operated by remote control, i.e. initiating means not mounted on vehicle
B60T 13/18 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
12the fluid being liquid
138Pressure supply arrangements
16using pumps directly, i.e. without interposition of accumulators or reservoirs
18with control of pump output delivery
B60T 13/68 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
66Electrical control in fluid-pressure brake systems
68by electrically-controlled valves
CPC
B60T 13/18
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
12the fluid being liquid
16using pumps directly, i.e. without interposition of accumulators or reservoirs
18with control of pump output delivery ; , e.g. by distributor valves
B60T 13/62
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
58Combined or convertible systems
62both straight and automatic
B60T 13/662
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
66Electrical control in fluid-pressure brake systems
662characterised by specified functions of the control system components
B60T 13/68
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
66Electrical control in fluid-pressure brake systems
68by electrically-controlled valves
B60T 13/686
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
13Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
10with fluid assistance, drive, or release
66Electrical control in fluid-pressure brake systems
68by electrically-controlled valves
686in hydraulic systems or parts thereof
B60T 7/04
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
7Brake-action initiating means
02for personal initiation
04foot actuated
Applicants
  • 日立建機株式会社 HITACHI CONSTRUCTION MACHINERY CO., LTD. [JP]/[JP]
Inventors
  • 佐藤 隆之 SATO Takayuki
  • 田中 貴照 TANAKA Takaaki
  • 石本 英史 ISHIMOTO Hidefumi
Agents
  • 特許業務法人 武和国際特許事務所 THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE
Priority Data
2017-06803930.03.2017JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) WORK MACHINE AND METHOD FOR BRAKING WORK MACHINE
(FR) ENGIN DE CHANTIER ET PROCÉDÉ DE FREINAGE D'UN ENGIN DE CHANTIER
(JA) 作業機械及び作業機械の制動方法
Abstract
(EN) Provided is a technique for efficiently operating a control system and operation system brakes in an autonomous driving vehicle according to the operating conditions of the autonomous driving vehicle. The present invention is provided with: a high-pressure selection valve on a flow passage that supplies hydraulic pressure to a hydraulic brake device from a standard brake valve mounted in a standard machine; and a flow passage that connects an autonomous brake control valve, to which the hydraulic pressure discharged from a hydraulic pump is supplied, and the high-pressure selection valve. In addition, the present invention is provided with: an autonomous driving control device that performs controlling for allowing autonomous driving; and an autonomous brake control device that controls the autonomous brake control valve to be opened/closed in response to a brake command from the autonomous driving control device. When a brake pedal is depressed, a hydraulic oil flows from the standard brake valve to the hydraulic brake device; and when the autonomous driving control device outputs a stop command, the hydraulic oil flows from the autonomous brake control valve to the hydraulic brake device, and a braking operation is thereby performed.
(FR) L'invention concerne une technique permettant de faire fonctionner efficacement un système de commande et des freins de système d'actionnement dans un véhicule à conduite autonome en fonction des conditions de fonctionnement du véhicule à conduite autonome. La présente invention comprend : une vanne directionnelle à haute pression sur un passage d'écoulement qui fournit une pression hydraulique à un dispositif de frein hydraulique à partir d'une valve de freinage standard montée sur un engin standard; et un passage d'écoulement qui relie une soupape de commande de frein autonome, à laquelle la pression hydraulique provenant d'une pompe hydraulique est fournie, et la vanne directionnelle à haute pression. De plus, la présente invention comprend : un dispositif de commande de conduite autonome qui effectue une commande permettant une conduite autonome; et un dispositif de commande de frein autonome qui commande l'ouverture/la fermeture de la soupape de commande de frein autonome en réponse à une commande de freinage provenant du dispositif de commande de conduite autonome. Lorsqu'une pédale de frein est enfoncée, une huile hydraulique s'écoule de la valve de freinage standard vers le dispositif de frein hydraulique; et lorsque le dispositif de commande de conduite autonome délivre en sortie une commande d'arrêt, l'huile hydraulique s'écoule de la soupape de commande de frein autonome au dispositif de frein hydraulique, et une opération de freinage est ainsi réalisée.
(JA) 自律走行車両における制御系及び操作系ブレーキを自律走行車両の動作状況に応じて効率的に動作させる技術を提供する。標準機に搭載された標準ブレーキバルブから油圧ブレーキ装置に圧油を供給する流路上に高圧選択弁を設け、油圧ポンプから吐出された圧油が供給される自律ブレーキ制御バルブと高圧選択弁とを接続する流路を設ける。更に、自律走行させるための制御を実行する自律走行制御装置、及び自律走行制御装置からの制動指令に応じて自律ブレーキ制御バルブの開閉制御を行う自律ブレーキ制御装置を備える。ブレーキペダルを踏むと標準ブレーキバルブから油圧ブレーキ装置に圧油が流れ、自律走行制御装置が停止指令を出力すると自律ブレーキ制御バルブから油圧ブレーキ装置に圧油が流れて制動動作が実行される。
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