JP2019124098A - 建設車両 - Google Patents
建設車両 Download PDFInfo
- Publication number
- JP2019124098A JP2019124098A JP2018007195A JP2018007195A JP2019124098A JP 2019124098 A JP2019124098 A JP 2019124098A JP 2018007195 A JP2018007195 A JP 2018007195A JP 2018007195 A JP2018007195 A JP 2018007195A JP 2019124098 A JP2019124098 A JP 2019124098A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- hydraulic pump
- vibration
- rotation
- hydraulic
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/0205—Circuit arrangements for generating control signals using an auxiliary engine speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
- B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
- E01C19/286—Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/003—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors with multiple outputs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/702—Road conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
- F02D2250/24—Control of the engine output torque by using an external load, e.g. a generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20523—Internal combustion engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20561—Type of pump reversible
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20569—Type of pump capable of working as pump and motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7058—Rotary output members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/76—Control of force or torque of the output member
- F15B2211/761—Control of a negative load, i.e. of a load generating hydraulic energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Road Paving Machines (AREA)
Abstract
Description
2 基体
3 機枠
4 連結部
10 油圧装置
30 過回転抑制機構
E エンジン
M1 タイヤ用走行モータ
M2 ロール用走行モータ
M3 振動用油圧モータ
P1 走行用油圧ポンプ
P2 振動用油圧ポンプ(作業用油圧ポンプ)
R ロール
X2 起振軸
Z1 走行用油圧回路
Z2 振動用油圧回路
Claims (6)
- エンジンの出力軸に連結され、走行用油圧回路に作動油を供給する走行用油圧ポンプと、
前記エンジンの出力軸に連結され、作業用油圧回路に作動油を供給する作業用油圧ポンプと、
前記走行用油圧ポンプから前記エンジンの出力軸に許容回転数以上の負荷が作用したとき、前記作業用油圧ポンプを作動させて前記エンジンの過回転を抑制する過回転抑制機構と、を備えることを特徴とする建設車両。 - 内部に起振軸を備えるとともに被転圧面を転圧するロールを備え、
前記作業用油圧ポンプは、前記起振軸を回転させることにより前記ロールを振動させることを特徴とする請求項1に記載の建設車両。 - 前記過回転抑制機構は、前記起振軸を同方向に断続的に回転させることを特徴とする請求項2に記載の建設車両。
- 前記過回転抑制機構は、前記起振軸を正方向及び逆方向に回転させることを特徴とする請求項2に記載の建設車両。
- 前記許容回転数は、ハイアイドルで走行している車両を停止させたときの前記エンジンの最大回転数よりも高く設定することを特徴とする請求項1乃至請求項4のいずれか一項に記載の建設車両。
- 前記過回転抑制機構は、前記エンジンの過回転が抑制され前記エンジンの回転数が所定回転数以下になったとき、前記作業用油圧ポンプを停止させ、
前記所定回転数は、前記エンジンのハイアイドル時の回転数よりも高く設定することを特徴とする請求項1乃至請求項5のいずれか一項に記載の建設車両。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018007195A JP6749351B2 (ja) | 2018-01-19 | 2018-01-19 | 建設車両 |
CN201880086709.4A CN111601928B (zh) | 2018-01-19 | 2018-12-12 | 建筑车辆 |
US16/963,235 US11492765B2 (en) | 2018-01-19 | 2018-12-12 | Construction vehicle |
PCT/JP2018/045618 WO2019142551A1 (ja) | 2018-01-19 | 2018-12-12 | 建設車両 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018007195A JP6749351B2 (ja) | 2018-01-19 | 2018-01-19 | 建設車両 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019124098A true JP2019124098A (ja) | 2019-07-25 |
JP6749351B2 JP6749351B2 (ja) | 2020-09-02 |
Family
ID=67300986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018007195A Active JP6749351B2 (ja) | 2018-01-19 | 2018-01-19 | 建設車両 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11492765B2 (ja) |
JP (1) | JP6749351B2 (ja) |
CN (1) | CN111601928B (ja) |
WO (1) | WO2019142551A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111395109A (zh) * | 2020-03-30 | 2020-07-10 | 山推工程机械股份有限公司 | 一种压路机的控制方法及装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021200285A1 (de) * | 2021-01-14 | 2022-07-14 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verdichtungsfahrzeug, bei welchem ein Fahrantrieb und eine Vibrationseinheit von einer gemeinsamen Versorgungstelle her mit Druckfluid versorgt werden |
FR3135097B1 (fr) * | 2022-05-02 | 2024-06-21 | Poclain Hydraulics Ind | Système hydraulique amélioré pour la génération de vibrations. |
FR3134998B1 (fr) * | 2022-05-02 | 2024-09-06 | Poclain Hydraulics Ind | Système hydraulique amélioré pour la génération de vibrations. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003214355A (ja) * | 2002-01-24 | 2003-07-30 | Masatoshi Yoshida | エンジン連結式油圧ポンプの過回転防止装置 |
JP2005106170A (ja) * | 2003-09-30 | 2005-04-21 | Hitachi Constr Mach Co Ltd | 油圧駆動車両の走行制御装置および油圧駆動車両 |
JP2013217421A (ja) * | 2012-04-06 | 2013-10-24 | Aichi Corp | 油圧駆動装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6769838B2 (en) * | 2001-10-31 | 2004-08-03 | Caterpillar Paving Products Inc | Variable vibratory mechanism |
JP3799022B2 (ja) * | 2003-02-24 | 2006-07-19 | 酒井重工業株式会社 | 振動機構及び振動ローラ |
JP4414704B2 (ja) * | 2003-09-17 | 2010-02-10 | 日立建機株式会社 | 油圧作業機械の油圧制御装置 |
JP4231442B2 (ja) | 2004-03-29 | 2009-02-25 | 酒井重工業株式会社 | 振動ローラ |
JP4270505B2 (ja) | 2004-08-11 | 2009-06-03 | 株式会社小松製作所 | 作業車両のエンジンの負荷制御装置 |
CN2822800Y (zh) * | 2005-08-30 | 2006-10-04 | 长安大学 | 节能惯性激振器 |
JP5074086B2 (ja) * | 2007-04-26 | 2012-11-14 | 株式会社小松製作所 | 建設車両 |
CN201212124Y (zh) * | 2008-06-27 | 2009-03-25 | 朱天锡 | 具有双向过载保护的液压振动开式系统 |
CN101634131B (zh) * | 2009-08-24 | 2011-04-20 | 长安大学 | 振动压路机可调式多功能激振装置 |
JP2011194978A (ja) * | 2010-03-18 | 2011-10-06 | Toyota Motor Corp | パワートレイン制御装置 |
CN202347404U (zh) * | 2011-10-25 | 2012-07-25 | 湖南达宇重工科技有限公司 | 全液压单驱动振动压路机 |
CN203320384U (zh) * | 2013-04-16 | 2013-12-04 | 陕西中大机械集团湖南中大机械制造有限责任公司 | 一种振动压路机节能控制系统 |
CN204325861U (zh) * | 2014-10-31 | 2015-05-13 | 西安达刚路面机械股份有限公司 | 含有二级流量优先阀组的可移动控制平台 |
CN105257632B (zh) * | 2015-10-27 | 2017-10-24 | 长沙中联重科环境产业有限公司 | 一种液压行走系统及其控制方法、环卫机械 |
CN107100059A (zh) * | 2016-02-22 | 2017-08-29 | 天津市路运通公路工程有限公司 | 一种过载保护的振动液压装置 |
CN205553917U (zh) * | 2016-04-07 | 2016-09-07 | 中交西安筑路机械有限公司 | 一种轮式摊铺机控制系统 |
-
2018
- 2018-01-19 JP JP2018007195A patent/JP6749351B2/ja active Active
- 2018-12-12 US US16/963,235 patent/US11492765B2/en active Active
- 2018-12-12 WO PCT/JP2018/045618 patent/WO2019142551A1/ja active Application Filing
- 2018-12-12 CN CN201880086709.4A patent/CN111601928B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003214355A (ja) * | 2002-01-24 | 2003-07-30 | Masatoshi Yoshida | エンジン連結式油圧ポンプの過回転防止装置 |
JP2005106170A (ja) * | 2003-09-30 | 2005-04-21 | Hitachi Constr Mach Co Ltd | 油圧駆動車両の走行制御装置および油圧駆動車両 |
JP2013217421A (ja) * | 2012-04-06 | 2013-10-24 | Aichi Corp | 油圧駆動装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111395109A (zh) * | 2020-03-30 | 2020-07-10 | 山推工程机械股份有限公司 | 一种压路机的控制方法及装置 |
CN111395109B (zh) * | 2020-03-30 | 2021-11-12 | 山推工程机械股份有限公司 | 一种压路机的控制方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN111601928B (zh) | 2022-07-26 |
CN111601928A (zh) | 2020-08-28 |
WO2019142551A1 (ja) | 2019-07-25 |
US20210047790A1 (en) | 2021-02-18 |
JP6749351B2 (ja) | 2020-09-02 |
US11492765B2 (en) | 2022-11-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2019142551A1 (ja) | 建設車両 | |
JP5181065B2 (ja) | 旋回制御装置、旋回制御方法、および建設機械 | |
JP4550698B2 (ja) | ダンプトラックの油圧駆動装置 | |
JP2008275012A (ja) | 建設車両 | |
JP2011052792A (ja) | 作業車両 | |
JP6817494B2 (ja) | 電動式建設機械 | |
JP3650066B2 (ja) | 油圧モータの故障検出装置 | |
JP6577433B2 (ja) | ホイール式油圧ショベル | |
JP4015445B2 (ja) | ホイール式建設機械の操作制御装置 | |
JP2011157751A (ja) | 油圧作業機 | |
JP6648296B2 (ja) | 作業車両 | |
JP4182953B2 (ja) | 操舵装置およびその作動方法 | |
JP2010047125A (ja) | ハイブリッド建設機械の走行制御回路 | |
JP7155039B2 (ja) | 作業機 | |
JP7146665B2 (ja) | 作業機 | |
JP7042781B2 (ja) | 作業車両 | |
JP6695288B2 (ja) | 建設機械 | |
JP2000219142A (ja) | パワーステアリング装置 | |
JP2024148944A (ja) | 作業用車両 | |
JP7155038B2 (ja) | 作業機 | |
JP7155037B2 (ja) | 作業機 | |
JP2009063027A (ja) | 作業車両 | |
JP7504012B2 (ja) | 作業機械、作業機械の制御装置、および作業機械の制御方法 | |
JP7171536B2 (ja) | 作業機 | |
JP4922053B2 (ja) | 冷却ファン駆動制御装置および建設機械 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200409 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200804 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200811 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6749351 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |