CN113227587A - 液压变量泵组及挖掘机 - Google Patents
液压变量泵组及挖掘机 Download PDFInfo
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- CN113227587A CN113227587A CN201880100479.2A CN201880100479A CN113227587A CN 113227587 A CN113227587 A CN 113227587A CN 201880100479 A CN201880100479 A CN 201880100479A CN 113227587 A CN113227587 A CN 113227587A
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- oil
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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
- 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
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- 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
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- 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
-
- 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
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
- F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03243—Fuel tanks characterised by special pumps, the mounting thereof
-
- 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
- E02F9/0883—Tanks, e.g. oil tank, urea tank, fuel tank
-
- 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
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
-
- 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
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
-
- 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
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
-
- 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
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated systems
-
- 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
- F15B2211/20546—Type of pump variable capacity
- F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Operation Control Of Excavators (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
液压变量泵组,包括泵体组件(1)、补油组件(2),所述泵体组件(1)包括泵本体(11)、第一滑阀(12)和第一控制阀(13),第一滑阀(12)包括弹簧端(122)和先导腔(121),第一控制阀(13)设有进油口A、进油口B及出油口T;所述泵本体(11)包括变量泵(111)和变量缸(112),所述变量泵(111)包括斜盘(1111),所述变量泵(112)包括有杆腔(1122)和无杆腔(1123),所述变量112与所述弹簧端(122)和所述斜盘(1111)机械连接,所述补油组件(2)与所述先导腔(121)连通;上述设置能够将控制变量泵输出排量的结构与变量泵集成一体,同时集成多种控制组件,实现不同的控制功能,具有结构简单,体积小的优点。
Description
PCT国内申请,说明书已公开。
Claims (13)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/123851 WO2020132934A1 (zh) | 2018-12-26 | 2018-12-26 | 液压变量泵组及挖掘机 |
Publications (2)
Publication Number | Publication Date |
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CN113227587A true CN113227587A (zh) | 2021-08-06 |
CN113227587B CN113227587B (zh) | 2023-04-21 |
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ID=71127535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201880100479.2A Active CN113227587B (zh) | 2018-12-26 | 2018-12-26 | 液压变量泵组及挖掘机 |
Country Status (5)
Country | Link |
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US (1) | US11280357B1 (zh) |
JP (1) | JP7200385B2 (zh) |
KR (1) | KR102577950B1 (zh) |
CN (1) | CN113227587B (zh) |
WO (1) | WO2020132934A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113863421A (zh) * | 2021-08-31 | 2021-12-31 | 北京三一智造科技有限公司 | 保压装置补油方法和装置、保压系统及双轮铣槽机 |
Citations (12)
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JPH1082368A (ja) * | 1996-07-10 | 1998-03-31 | Samsung Heavy Ind Co Ltd | ローダの油圧装置 |
CN200952456Y (zh) * | 2006-08-29 | 2007-09-26 | 陕西航天动力高科技股份有限公司 | 轴向变量柱塞泵 |
JP2010127362A (ja) * | 2008-11-27 | 2010-06-10 | Nachi Fujikoshi Corp | 油圧駆動装置 |
JP2011001162A (ja) * | 2009-06-18 | 2011-01-06 | Toyota Industries Corp | フォークリフト用油圧装置及び油圧ポンプ |
CN102518022A (zh) * | 2011-11-24 | 2012-06-27 | 三一重工股份有限公司 | 全液压压路机传动系统、压路机及动能回收控制方法 |
CN104235090A (zh) * | 2014-07-23 | 2014-12-24 | 北京市三一重机有限公司 | 负反馈液压系统和旋挖钻机 |
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-
2018
- 2018-12-26 KR KR1020217023665A patent/KR102577950B1/ko active IP Right Grant
- 2018-12-26 WO PCT/CN2018/123851 patent/WO2020132934A1/zh active Application Filing
- 2018-12-26 US US17/418,421 patent/US11280357B1/en active Active
- 2018-12-26 JP JP2021538435A patent/JP7200385B2/ja active Active
- 2018-12-26 CN CN201880100479.2A patent/CN113227587B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1082368A (ja) * | 1996-07-10 | 1998-03-31 | Samsung Heavy Ind Co Ltd | ローダの油圧装置 |
CN200952456Y (zh) * | 2006-08-29 | 2007-09-26 | 陕西航天动力高科技股份有限公司 | 轴向变量柱塞泵 |
JP2010127362A (ja) * | 2008-11-27 | 2010-06-10 | Nachi Fujikoshi Corp | 油圧駆動装置 |
JP2011001162A (ja) * | 2009-06-18 | 2011-01-06 | Toyota Industries Corp | フォークリフト用油圧装置及び油圧ポンプ |
CN102518022A (zh) * | 2011-11-24 | 2012-06-27 | 三一重工股份有限公司 | 全液压压路机传动系统、压路机及动能回收控制方法 |
CN104235090A (zh) * | 2014-07-23 | 2014-12-24 | 北京市三一重机有限公司 | 负反馈液压系统和旋挖钻机 |
CN106151135A (zh) * | 2015-04-27 | 2016-11-23 | 中联重科股份有限公司 | 一种混凝土泵送液压控制系统及混凝土泵送机械 |
CN105090141A (zh) * | 2015-07-02 | 2015-11-25 | 太原重工股份有限公司 | 液压变量控制系统及车辆 |
CN105134578A (zh) * | 2015-07-30 | 2015-12-09 | 徐州重型机械有限公司 | 一种具备能量回收功能的柱塞泵 |
US20170089332A1 (en) * | 2015-09-30 | 2017-03-30 | Robert Bosch Gmbh | Pump-Regulator Combination with Power Limitation |
CN206386343U (zh) * | 2016-08-09 | 2017-08-08 | 徐州重型机械有限公司 | 能量回收泵、公路车辆及工程机械 |
CN106762506A (zh) * | 2016-12-15 | 2017-05-31 | 徐州重型机械有限公司 | 一种能够实现双向变量的控制阀及开式液压泵 |
Also Published As
Publication number | Publication date |
---|---|
US11280357B1 (en) | 2022-03-22 |
JP2022516145A (ja) | 2022-02-24 |
KR20210105423A (ko) | 2021-08-26 |
WO2020132934A1 (zh) | 2020-07-02 |
CN113227587B (zh) | 2023-04-21 |
US20220065272A1 (en) | 2022-03-03 |
KR102577950B1 (ko) | 2023-09-14 |
JP7200385B2 (ja) | 2023-01-06 |
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