BR112022022469A2 - Sistema de direção hidráulica e ponte rolante - Google Patents

Sistema de direção hidráulica e ponte rolante

Info

Publication number
BR112022022469A2
BR112022022469A2 BR112022022469A BR112022022469A BR112022022469A2 BR 112022022469 A2 BR112022022469 A2 BR 112022022469A2 BR 112022022469 A BR112022022469 A BR 112022022469A BR 112022022469 A BR112022022469 A BR 112022022469A BR 112022022469 A2 BR112022022469 A2 BR 112022022469A2
Authority
BR
Brazil
Prior art keywords
steering
digital
steering cylinder
hydraulic valve
working position
Prior art date
Application number
BR112022022469A
Other languages
English (en)
Inventor
Hu Xiaodong
Zhu Tao
Yang Jianchun
Ren Xiuzhi
Du Xiaojie
Original Assignee
Xuzhou Heavy Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xuzhou Heavy Machinery Co Ltd filed Critical Xuzhou Heavy Machinery Co Ltd
Publication of BR112022022469A2 publication Critical patent/BR112022022469A2/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
    • B62D5/091—Hydraulic steer-by-wire systems, e.g. the valve being actuated by an electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/061—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle provided with effort, steering lock, or end-of-stroke limiters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
    • B62D5/091—Hydraulic steer-by-wire systems, e.g. the valve being actuated by an electric motor
    • B62D5/092—Hydraulic steer-by-wire systems, e.g. the valve being actuated by an electric motor the electric motor being connected to the final driven element of the steering gear, e.g. rack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/10—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of power unit
    • B62D5/12—Piston and cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering 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
    • B62D7/15—Steering 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
    • B62D7/1509—Steering 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 with different steering modes, e.g. crab-steering, or steering specially adapted for reversing of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0321—Travelling cranes
    • B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks
    • B66C2700/0378—Construction details related to the travelling, to the supporting of the crane or to the blocking of the axles; Outriggers; Coupling of the travelling mechamism to the crane mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Steering Mechanism (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)

Abstract

SISTEMA DE DIREÇÃO HIDRÁULICA E PONTE ROLANTE. Um sistema de direção hidráulica, compreendendo uma bomba de direção (1) e uma pluralidade de conjuntos de cilindro de direção digital (2). Cada conjunto de cilindro de direção digital (2) inclui: um cilindro de direção (21); uma válvula hidráulica digital (22), em que um núcleo de válvula do mesmo é acionado por um motor (23), e a válvula hidráulica digital (22) é configurada para comunicar seletivamente uma cavidade sem haste do cilindro de direção com uma dentre a bomba de direção e um circuito de óleo de retorno, e comunicar uma cavidade de haste do cilindro de direção com a outra da bomba de direção e do circuito de óleo de retorno; um controlador configurado para emitir um sinal de pulso digital para o motor, e fazer com que a válvula hidráulica digital se mova em direção a uma primeira posição de trabalho ou uma segunda posição de trabalho; e uma estrutura de realimentação mecânica conectada entre o cilindro de direção e o núcleo de válvula da válvula hidráulica digital, e configurada para ser acionada por uma haste de pistão do cilindro de direção quando o núcleo de válvula da válvula hidráulica digital se move em direção à primeira posição de trabalho ou à segunda posição de trabalho, de modo a acionar a válvula hidráulica digital para retornar para uma posição neutra. O sistema pode melhorar a precisão de controle e a velocidade de resposta do sistema de direção.
BR112022022469A 2020-05-06 2020-05-06 Sistema de direção hidráulica e ponte rolante BR112022022469A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/088837 WO2021223120A1 (zh) 2020-05-06 2020-05-06 液压转向系统及移动式起重机

Publications (1)

Publication Number Publication Date
BR112022022469A2 true BR112022022469A2 (pt) 2023-01-10

Family

ID=78468560

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022022469A BR112022022469A2 (pt) 2020-05-06 2020-05-06 Sistema de direção hidráulica e ponte rolante

Country Status (6)

Country Link
US (1) US20230182808A1 (pt)
EP (1) EP4147947A4 (pt)
AU (1) AU2020446598A1 (pt)
BR (1) BR112022022469A2 (pt)
CA (1) CA3177955A1 (pt)
WO (1) WO2021223120A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114014187B (zh) * 2021-11-30 2023-08-22 三一汽车起重机械有限公司 液压控制系统、方法及起重机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486576A (en) * 1968-01-18 1969-12-30 Caterpillar Tractor Co Steering system for multiple axle vehicle
DE3246137C2 (de) * 1982-12-14 1985-02-14 Danfoss A/S, Nordborg Hydrostatische Lenkeinrichtung
IT1280908B1 (it) * 1995-08-11 1998-02-11 Dayco Europe Spa Impianto di idroguida per un veicolo
CN102351004B (zh) * 2011-07-26 2013-04-24 浙江吉利汽车研究院有限公司 一种汽车转向助力系统
WO2013165737A2 (en) * 2012-04-30 2013-11-07 Eaton Corporation Steering circuit with bypass valve
CN104608819B (zh) * 2014-12-04 2016-11-02 中联重科股份有限公司 用于多轴车辆的多轴转向系统和多轴车辆
CN106926897A (zh) * 2017-03-23 2017-07-07 哈尔滨蒙鹰科技有限公司 8×8越野车转向系统转向方法
CN109131548A (zh) * 2018-07-13 2019-01-04 中国煤炭科工集团太原研究院有限公司 一种重型铰接式车辆先导控制高压大流量液压转向系统
CN111098919B (zh) * 2018-10-25 2021-11-12 中车株洲电力机车研究所有限公司 一种高精度快速响应的智轨电车转向系统
CN111043099B (zh) * 2019-11-27 2021-08-03 北京航空航天大学 一种对称型数字液压缸
CN111497935B (zh) * 2020-05-06 2022-07-05 徐州重型机械有限公司 液压转向系统及移动式起重机

Also Published As

Publication number Publication date
US20230182808A1 (en) 2023-06-15
EP4147947A4 (en) 2024-02-14
EP4147947A1 (en) 2023-03-15
WO2021223120A1 (zh) 2021-11-11
AU2020446598A1 (en) 2023-01-19
CA3177955A1 (en) 2021-11-11

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Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]