CN113928981B - 工程车辆及其液压驱动*** - Google Patents
工程车辆及其液压驱动*** Download PDFInfo
- Publication number
- CN113928981B CN113928981B CN202111141689.6A CN202111141689A CN113928981B CN 113928981 B CN113928981 B CN 113928981B CN 202111141689 A CN202111141689 A CN 202111141689A CN 113928981 B CN113928981 B CN 113928981B
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- hydraulic
- driving system
- working
- 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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Links
- 230000007246 mechanism Effects 0.000 claims description 38
- 238000013016 damping Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
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- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
- F15B11/032—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
-
- 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
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- 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
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111141689.6A CN113928981B (zh) | 2021-09-28 | 2021-09-28 | 工程车辆及其液压驱动*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111141689.6A CN113928981B (zh) | 2021-09-28 | 2021-09-28 | 工程车辆及其液压驱动*** |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113928981A CN113928981A (zh) | 2022-01-14 |
CN113928981B true CN113928981B (zh) | 2023-05-23 |
Family
ID=79277139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111141689.6A Active CN113928981B (zh) | 2021-09-28 | 2021-09-28 | 工程车辆及其液压驱动*** |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113928981B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114852867B (zh) * | 2022-04-26 | 2023-06-09 | 中联重科股份有限公司 | 用于起重机的控制方法及控制装置、控制器和起重机 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4714489B2 (ja) * | 2005-03-16 | 2011-06-29 | 日立住友重機械建機クレーン株式会社 | クレーンの油圧回路 |
CN102635539B (zh) * | 2012-04-05 | 2015-09-30 | 兰州理工大学 | 远程供水车水泵的动力***及装有该***的远程供水车 |
CN203297180U (zh) * | 2013-06-05 | 2013-11-20 | 长沙中联消防机械有限公司 | 液压控制***及包含该控制***的工程机械 |
CN103569098B (zh) * | 2013-11-19 | 2016-10-26 | 中国第一汽车股份有限公司 | 液压辅助驱动和制动***及其控制方法 |
CN205260475U (zh) * | 2015-12-31 | 2016-05-25 | 长沙中联消防机械有限公司 | 工程车辆的液压***和消防车 |
CN112196855B (zh) * | 2020-09-28 | 2022-07-26 | 常德中联重科液压有限公司 | 直线行走控制阀、直线行走控制***及履带式工程机械 |
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2021
- 2021-09-28 CN CN202111141689.6A patent/CN113928981B/zh active Active
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Publication number | Publication date |
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CN113928981A (zh) | 2022-01-14 |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20220114 Assignee: Hunan ZOOMLION Crawler Crane Co.,Ltd. Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Contract record no.: X2023980044887 Denomination of invention: Engineering vehicles and their hydraulic drive systems Granted publication date: 20230523 License type: Common License Record date: 20231030 Application publication date: 20220114 Assignee: Hunan Zoomlion engineering hoisting equipment Co.,Ltd. Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Contract record no.: X2023980044882 Denomination of invention: Engineering vehicles and their hydraulic drive systems Granted publication date: 20230523 License type: Common License Record date: 20231030 Application publication date: 20220114 Assignee: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Contract record no.: X2023980044881 Denomination of invention: Engineering vehicles and their hydraulic drive systems Granted publication date: 20230523 License type: Common License Record date: 20231030 |
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EE01 | Entry into force of recordation of patent licensing contract |