CN105544631B - 一种液压铲工作装置的控制回路 - Google Patents
一种液压铲工作装置的控制回路 Download PDFInfo
- Publication number
- CN105544631B CN105544631B CN201511003768.5A CN201511003768A CN105544631B CN 105544631 B CN105544631 B CN 105544631B CN 201511003768 A CN201511003768 A CN 201511003768A CN 105544631 B CN105544631 B CN 105544631B
- Authority
- CN
- China
- Prior art keywords
- pressure
- hydraulic
- valve
- controller
- prime mover
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/425—Drive systems for dipper-arms, backhoes or the like
-
- 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
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
-
- 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
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511003768.5A CN105544631B (zh) | 2015-12-29 | 2015-12-29 | 一种液压铲工作装置的控制回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511003768.5A CN105544631B (zh) | 2015-12-29 | 2015-12-29 | 一种液压铲工作装置的控制回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105544631A CN105544631A (zh) | 2016-05-04 |
CN105544631B true CN105544631B (zh) | 2017-08-04 |
Family
ID=55824151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201511003768.5A Active CN105544631B (zh) | 2015-12-29 | 2015-12-29 | 一种液压铲工作装置的控制回路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105544631B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106193174A (zh) * | 2016-08-31 | 2016-12-07 | 徐州徐工挖掘机械有限公司 | 一种液压挖掘机动臂节能动作系统 |
CN106438514B (zh) * | 2016-10-31 | 2017-12-15 | 广西柳工机械股份有限公司 | 装载机侧卸液压系统 |
CN107052283B (zh) * | 2017-02-10 | 2023-08-15 | 中冶赛迪工程技术股份有限公司 | 一种结晶器振动控制装置 |
CN108655223B (zh) * | 2018-05-25 | 2020-01-07 | 太原理工大学 | 一种电液混合驱动的弯管机 |
US12000416B2 (en) * | 2020-03-27 | 2024-06-04 | Hitachi Construction Machinery Co., Ltd. | Work machine |
CN113529842B (zh) * | 2021-07-09 | 2022-07-12 | 合肥工业大学 | 一种基于压力可变蓄能器的挖掘机动臂能量回收系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5722190A (en) * | 1996-03-15 | 1998-03-03 | The Gradall Company | Priority biased load sense hydraulic system for hydraulic excavators |
DE102006057699A1 (de) * | 2006-12-07 | 2008-06-12 | Hydac Filtertechnik Gmbh | Verfahren zum Betreiben eines Hydrauliksystems sowie Hydrauliksystem |
CN203834553U (zh) * | 2014-04-02 | 2014-09-17 | 华侨大学 | 电驱动液压挖掘机的节能型转台驱动系统 |
CN104196067B (zh) * | 2014-09-17 | 2016-07-06 | 太原理工大学 | 分腔独立变转速容积直驱纯电液压挖掘机能量回收系统 |
-
2015
- 2015-12-29 CN CN201511003768.5A patent/CN105544631B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN105544631A (zh) | 2016-05-04 |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Quan Long Inventor after: Xia Lianpeng Inventor after: Shi Jianpeng Inventor after: Hao Huimin Inventor after: Xiong Xiaoyan Inventor after: Dong Zhixin Inventor before: Quan Long Inventor before: Xia Lianpeng Inventor before: Hao Huimin Inventor before: Xiong Xiaoyan Inventor before: Dong Zhixin |
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GR01 | Patent grant |