JP5420513B2 - 油圧作業機 - Google Patents
油圧作業機 Download PDFInfo
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- JP5420513B2 JP5420513B2 JP2010227318A JP2010227318A JP5420513B2 JP 5420513 B2 JP5420513 B2 JP 5420513B2 JP 2010227318 A JP2010227318 A JP 2010227318A JP 2010227318 A JP2010227318 A JP 2010227318A JP 5420513 B2 JP5420513 B2 JP 5420513B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- 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
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
-
- 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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/04—Exhaust treating devices having provisions not otherwise provided for for regeneration or reactivation, e.g. of catalyst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1606—Particle filter loading or soot amount
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Fluid-Pressure Circuits (AREA)
- Component Parts Of Construction Machinery (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Operation Control Of Excavators (AREA)
Description
請求項4の発明によれば、油圧アクチュエータに対する圧油の供給を制御する方向制御弁が中立位置にあるか否かを中立位置検出器で検出することができる。方向制御弁が中立位置にあるときには、油圧アクチュエータが停止し、エンジンは無負荷運転に近い状態となる。そこで、このような運転状態のときには、負荷投入弁を初期位置から切換位置に切換えて油圧負荷を発生することができる。
2 下部走行体(車体)
4 上部旋回体(車体)
5 作業装置
6 旋回フレーム(フレーム)
9 カウンタウエイト
10 エンジン
11 排気管
12 油圧ポンプ
13 作動油タンク
15 熱交換器
16 排気ガス浄化装置
17 ケーシング
18 酸化触媒(触媒手段)
19 粒子状物質除去フィルタ
21 排気温センサ(温度検出器)
22,23 ガス圧センサ(圧力検出器)
24 パイロットポンプ
26 吐出管路
27 戻し管路
28 供給管路
29 油圧シリンダ(油圧アクチュエータ)
31 方向制御弁
36,61 負荷投入弁
37 第1のリリーフ弁(油圧負荷発生部)
38 第2のリリーフ弁(油圧負荷発生部)
41,42,64 電磁弁(操作手段)
45 回路圧センサ(中立位置検出器)
46 回転センサ
47,66 コントローラ(制御手段)
62 可変リリーフ弁(油圧負荷発生部)
Claims (4)
- 原動機としてのエンジンと、該エンジンの排気側に設けられ排気ガスを浄化する排気ガス浄化装置と、前記エンジンによって駆動されタンク内の油液を吸込んで圧油を吐出する油圧ポンプと、該油圧ポンプから吐出された圧油により駆動される少なくとも1つ以上の油圧アクチュエータと、該油圧アクチュエータと前記油圧ポンプ、タンクとの間に設けられ該油圧アクチュエータに対する圧油の供給を制御する方向制御弁と、前記エンジンの回転数を検出する回転センサとを備え、
前記排気ガス浄化装置には、前記排気ガスの温度を検出する温度検出器と、前記排気ガス浄化装置の入口側と出口側との間で前記排気ガスの圧力差を検出する圧力検出器とを設けてなる油圧作業機において、
前記油圧ポンプからの圧油を前記油圧アクチュエータに供給する管路の途中には、前記排気ガスの温度を上昇させるための負荷投入弁を設け、
該負荷投入弁は、
初期位置にあるときに前記油圧ポンプからの圧油が前記タンク側に戻るのを許し、
前記温度検出器で検出した前記排気ガスの温度が予め決められた基準温度よりも低く、前記圧力検出器で検出した前記圧力差が予め決められた所定の圧力値よりも大きくなったときに、前記初期位置から切換わって油圧負荷を発生させ前記排気ガスの温度を前記基準温度以上に上昇させる構成とし、
前記負荷投入弁は、前記回転センサで検出した前記エンジンの回転数が予め決められた判定値よりも低い低速回転域にあるときに、前記初期位置から大きい油圧負荷を発生させる第1の切換位置に切換わり、前記エンジンの回転数が前記判定値よりも高い高速回転域にあるときには、小さい油圧負荷を発生させる第2の切換位置に前記初期位置から切換わる構成としたことを特徴とする油圧作業機。 - 前記負荷投入弁が初期位置から前記第1の切換位置に切換わったときに前記大きい油圧負荷を発生させる第1のリリーフ弁と、前記負荷投入弁が初期位置から第2の切換位置に切換わったときに前記小さい油圧負荷を発生させる第2のリリーフ弁とを備える構成としてなる請求項1に記載の油圧作業機。
- 原動機としてのエンジンと、該エンジンの排気側に設けられ排気ガスを浄化する排気ガス浄化装置と、前記エンジンによって駆動されタンク内の油液を吸込んで圧油を吐出する油圧ポンプと、該油圧ポンプから吐出された圧油により駆動される少なくとも1つ以上の油圧アクチュエータと、該油圧アクチュエータと前記油圧ポンプ、タンクとの間に設けられ該油圧アクチュエータに対する圧油の供給を制御する方向制御弁と、前記エンジンの回転数を検出する回転センサとを備え、
前記排気ガス浄化装置には、前記排気ガスの温度を検出する温度検出器と、前記排気ガス浄化装置の入口側と出口側との間で前記排気ガスの圧力差を検出する圧力検出器とを設けてなる油圧作業機において、
前記油圧ポンプからの圧油を前記油圧アクチュエータに供給する管路の途中には、前記排気ガスの温度を上昇させるための負荷投入弁を設け、
該負荷投入弁は、
初期位置にあるときに前記油圧ポンプからの圧油が前記タンク側に戻るのを許し、
前記温度検出器で検出した前記排気ガスの温度が予め決められた基準温度よりも低く、前記圧力検出器で検出した前記圧力差が予め決められた所定の圧力値よりも大きくなったときに、前記初期位置から切換わって油圧負荷を発生させ前記排気ガスの温度を前記基準温度以上に上昇させる構成とし、
さらに、前記負荷投入弁が初期位置から切換位置に切換わったときにリリーフ設定圧に対応した前記油圧負荷を発生させる設定圧可変式のリリーフ弁を備え、
該リリーフ弁は、前記回転センサで検出した前記エンジンの回転数が大きくなるに応じて前記リリーフ設定圧を漸次減少させる構成としたことを特徴とする油圧作業機。 - 前記油圧アクチュエータに対する圧油の供給を制御する前記方向制御弁が中立位置にあるか否かを検出する中立位置検出器を備え、前記負荷投入弁は、該中立位置検出器により前記方向制御弁が中立位置にあることを検出したときに、前記初期位置から前記油圧負荷を発生させる切換位置に切換わる構成としてなる請求項1,2または3に記載の油圧作業機。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010227318A JP5420513B2 (ja) | 2009-12-03 | 2010-10-07 | 油圧作業機 |
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JP2009275731 | 2009-12-03 | ||
JP2009275731 | 2009-12-03 | ||
JP2010227318A JP5420513B2 (ja) | 2009-12-03 | 2010-10-07 | 油圧作業機 |
Publications (2)
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JP2011137361A JP2011137361A (ja) | 2011-07-14 |
JP5420513B2 true JP5420513B2 (ja) | 2014-02-19 |
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JP2010227318A Expired - Fee Related JP5420513B2 (ja) | 2009-12-03 | 2010-10-07 | 油圧作業機 |
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JP (1) | JP5420513B2 (ja) |
KR (1) | KR101678079B1 (ja) |
CN (1) | CN102086796B (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5941702B2 (ja) * | 2012-02-23 | 2016-06-29 | 株式会社加藤製作所 | 掘削機の油圧回路 |
KR101955533B1 (ko) | 2012-10-16 | 2019-03-07 | 주식회사 두산 | Dpf의 다단 재생장치 및 재생방법 |
JP5661085B2 (ja) * | 2012-11-13 | 2015-01-28 | 株式会社神戸製鋼所 | 作業機械の油圧駆動装置 |
KR101964474B1 (ko) * | 2013-02-21 | 2019-04-01 | 두산인프라코어 주식회사 | 배기가스 후처리장치 강제재생의 유압회로 시스템 |
JP2015086854A (ja) * | 2013-09-27 | 2015-05-07 | ヤンマー株式会社 | 作業車両 |
CN105940356A (zh) * | 2014-01-27 | 2016-09-14 | 沃尔沃建造设备有限公司 | 用于控制工程机械的再生流量的装置及其控制方法 |
JP6180357B2 (ja) * | 2014-04-09 | 2017-08-16 | 日立建機株式会社 | 転圧機械 |
KR102488199B1 (ko) * | 2016-04-28 | 2023-01-13 | 주식회사 대동 | 작업차의 dpf 강제 재생 시스템 및 방법 |
KR102130188B1 (ko) * | 2016-12-28 | 2020-08-05 | 주식회사 두산 | 엔진식 지게차의 운전 중 dpf 재생 시스템 및 그 방법 |
CN107448440B (zh) * | 2017-09-15 | 2019-05-03 | 太原理工大学 | 背压和动力油电液复合调控多执行器*** |
CN110080859A (zh) * | 2018-01-26 | 2019-08-02 | 比亚迪股份有限公司 | 一种颗粒物再生装置和方法及车辆 |
EP3779062B1 (en) * | 2018-03-28 | 2023-06-14 | Sumitomo (S.H.I.) Construction Machinery Co., Ltd. | Shovel |
KR200490018Y1 (ko) * | 2018-05-24 | 2019-09-09 | 현대건설기계 주식회사 | 작업차량의 dpf 재생장치 |
CN111720389B (zh) * | 2020-07-06 | 2022-09-06 | 长沙理工大学 | 一种组合式液压势能再生*** |
CN115349508A (zh) * | 2022-10-07 | 2022-11-18 | 乌鲁木齐优尼克生物科技有限公司 | 一种篱架栽培葡萄种植平台及搭载农具 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS63297722A (ja) * | 1987-05-29 | 1988-12-05 | Toyota Autom Loom Works Ltd | ディ−ゼル排気浄化装置の再生方法 |
JP3073380B2 (ja) * | 1993-12-17 | 2000-08-07 | 日立建機株式会社 | 排ガス浄化装置を備えた油圧作業機械 |
JPH10325347A (ja) * | 1997-05-27 | 1998-12-08 | Hitachi Constr Mach Co Ltd | 建設機械のエンジン制御装置 |
JP4115120B2 (ja) * | 2001-08-06 | 2008-07-09 | 株式会社小松製作所 | 内燃機関の排気ガス浄化装置 |
CN1671954B (zh) * | 2002-07-25 | 2010-05-26 | 里法特·A·卡梅尔 | 用来减少柴油机排气的污染物的排气后处理*** |
JP3750664B2 (ja) * | 2003-03-07 | 2006-03-01 | 日産自動車株式会社 | エンジンの排気浄化装置 |
GB2421984B (en) * | 2003-08-20 | 2007-03-21 | Komatsu Mfg Co Ltd | Hydraulic drive control device |
JP2005069148A (ja) * | 2003-08-26 | 2005-03-17 | Toyota Industries Corp | ディーゼルエンジン用排気ガス浄化フィルタの再生装置及びディーゼルエンジンシステム |
JP4525232B2 (ja) * | 2004-08-06 | 2010-08-18 | 日産自動車株式会社 | ディーゼルエンジンの排気後処理装置 |
-
2010
- 2010-10-07 JP JP2010227318A patent/JP5420513B2/ja not_active Expired - Fee Related
- 2010-12-02 KR KR1020100122089A patent/KR101678079B1/ko active IP Right Grant
- 2010-12-02 CN CN201010580054.1A patent/CN102086796B/zh active Active
Also Published As
Publication number | Publication date |
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JP2011137361A (ja) | 2011-07-14 |
KR20110063355A (ko) | 2011-06-10 |
CN102086796A (zh) | 2011-06-08 |
CN102086796B (zh) | 2014-11-12 |
KR101678079B1 (ko) | 2016-11-21 |
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