MY199697A - Bucket leveling system for aerial work truck - Google Patents
Bucket leveling system for aerial work truckInfo
- Publication number
- MY199697A MY199697A MYPI2020003897A MYPI2020003897A MY199697A MY 199697 A MY199697 A MY 199697A MY PI2020003897 A MYPI2020003897 A MY PI2020003897A MY PI2020003897 A MYPI2020003897 A MY PI2020003897A MY 199697 A MY199697 A MY 199697A
- Authority
- MY
- Malaysia
- Prior art keywords
- valve
- port
- pressure
- leveling
- load
- Prior art date
Links
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
- B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
-
- 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
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
- F15B2013/004—Cartridge valves
-
- 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
-
- 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
- F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
- F15B2211/40569—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged downstream of the flow control means
-
- 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
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41509—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a directional control valve
-
- 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
-
- 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
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a return line
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6658—Control using different modes, e.g. four-quadrant-operation, working mode and transportation mode
-
- 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
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting 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
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7057—Linear output members being of the telescopic type
-
- 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
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid-Pressure Circuits (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715474.2A CN108658019B (zh) | 2018-07-03 | 2018-07-03 | 一种高空作业车的工作斗调平系统 |
| PCT/CN2018/111594 WO2020006932A1 (fr) | 2018-07-03 | 2018-10-24 | Système de mise à niveau de godet pour chariot de travail aérien |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY199697A true MY199697A (en) | 2023-11-18 |
Family
ID=63772727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI2020003897A MY199697A (en) | 2018-07-03 | 2018-10-24 | Bucket leveling system for aerial work truck |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN108658019B (fr) |
| GB (1) | GB2587267B (fr) |
| MY (1) | MY199697A (fr) |
| WO (1) | WO2020006932A1 (fr) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658019B (zh) * | 2018-07-03 | 2019-07-30 | 徐州海伦哲专用车辆股份有限公司 | 一种高空作业车的工作斗调平系统 |
| CN109058195B (zh) * | 2018-10-30 | 2024-04-30 | 江苏徐工工程机械研究院有限公司 | 抢险设备的液压控制系统和抢险设备 |
| CN109368500A (zh) * | 2018-12-25 | 2019-02-22 | 臧其亮 | 一种全地面起重机超起收放系统及控制方法 |
| CN109854556B (zh) * | 2019-04-01 | 2024-07-16 | 徐工集团工程机械股份有限公司科技分公司 | 油源阀、液压系统和工程机械 |
| CN110030217B (zh) * | 2019-04-10 | 2023-12-01 | 湖南星邦智能装备股份有限公司 | 一种高空作业车底架浮动油缸的控制系统及高空作业车 |
| CN110002381B (zh) * | 2019-04-10 | 2023-06-20 | 湖南星邦智能装备股份有限公司 | 一种曲臂高空作业车连接体调平液压系统和控制方法 |
| CN110217737B (zh) * | 2019-06-20 | 2020-09-04 | 江苏建筑职业技术学院 | 高空作业平台控制阀分工况随动系统及控制方法 |
| CN110645213A (zh) * | 2019-09-06 | 2020-01-03 | 湖南星邦重工有限公司 | 一种底架主动浮动控制方法和控制系统及其高空作业平台 |
| CN110775904B (zh) * | 2019-10-31 | 2022-04-05 | 三一汽车制造有限公司 | 高空车工作斗的调平控制系统、调平控制方法和高空车 |
| CN110905870B (zh) * | 2019-12-09 | 2022-01-11 | 柳州柳工液压件有限公司 | 负载敏感液压系统 |
| CN111302227A (zh) * | 2020-02-28 | 2020-06-19 | 西安石油大学 | 一种多自由度举升平台装置及自动调平方法 |
| CN111943095B (zh) * | 2020-07-10 | 2021-10-01 | 湖南星邦智能装备股份有限公司 | 一种高空作业车臂架稳定性控制方法 |
| CN112833058B (zh) * | 2021-01-21 | 2023-03-31 | 长沙中联重科环境产业有限公司 | 一种负载敏感液压系统、绿篱修剪设备 |
| CN113175460B (zh) * | 2021-04-23 | 2023-09-01 | 中国人民解放军国防科技大学 | 一种可变活塞截面大小的液压缸 |
| CN115258470B (zh) * | 2021-04-30 | 2025-11-25 | 犀重新能源汽车有限公司 | 一种垃圾压缩车及其刮滑板联动系统 |
| CN113582095B (zh) * | 2021-06-30 | 2023-04-07 | 江苏徐工工程机械研究院有限公司 | 举高类消防车工作平台稳定性自适应控制方法、系统及装置 |
| CN113582093B (zh) * | 2021-08-05 | 2024-10-18 | 江苏柳工机械有限公司 | 一种臂架式高空作业平台变幅调平液控系统 |
| CN113683033B (zh) * | 2021-09-23 | 2024-08-23 | 江苏柳工机械有限公司 | 臂架式高空作业平台的液压全时浮动控制系统及控制方法 |
| CN113915188B (zh) * | 2021-10-18 | 2024-05-07 | 山东泰丰智能控制股份有限公司 | 一种自适应液压控制系统 |
| CN115095567B (zh) * | 2022-07-28 | 2025-09-02 | 徐州徐工矿业机械有限公司 | 用于正铲液压挖掘机调平油缸的液压系统及控制方法 |
| CN115488891A (zh) * | 2022-10-10 | 2022-12-20 | 陕煤集团神木柠条塔矿业有限公司 | 矿用多关节重载液压机械臂的电液控制系统及方法 |
| EP4417820A4 (fr) * | 2022-12-19 | 2025-09-17 | Hunan Sinoboom Intelligent Equipment Co Ltd | Système de commande flottant basé sur un système de pompe à cylindrée fixe |
| CN116928183B (zh) * | 2023-08-31 | 2026-02-10 | 江苏大学 | 一种履带式升降底盘液压系统及其调平方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828941A (en) * | 1973-04-10 | 1974-08-13 | J Coutinho | Hydraulic jib |
| US6244450B1 (en) * | 1999-10-13 | 2001-06-12 | Elliott Equipment Company | Method and apparatus for telescoping boom with hydraulic extension actuators |
| FR2950618B1 (fr) * | 2009-09-28 | 2011-10-21 | Haulotte Group | Nacelle elevatrice et methode de commande d'une telle nacelle |
| CN202673874U (zh) * | 2012-06-25 | 2013-01-16 | 江苏海鹏特种车辆有限公司 | 一种负载敏感液压泵的恒压变量控制系统 |
| CN202988661U (zh) * | 2012-11-04 | 2013-06-12 | 西安志越机电科技有限公司 | 高空作业车调平装置液压回路 |
| KR101647670B1 (ko) * | 2014-10-07 | 2016-08-12 | 주식회사 호룡 | 사다리차 운반카의 안전 자동이송장치 |
| CN106015145B (zh) * | 2016-07-16 | 2018-03-06 | 安徽柳工起重机有限公司 | 高空作业车伸缩臂油缸回油分流系统 |
| CN106115518B (zh) * | 2016-09-08 | 2018-01-16 | 圣邦集团有限公司 | 一种起重机用节能液压系统 |
| CN206069307U (zh) * | 2016-09-13 | 2017-04-05 | 湖北江南专用特种汽车有限公司 | 一种高空作业车工作斗的自动调平装置 |
| CN108658019B (zh) * | 2018-07-03 | 2019-07-30 | 徐州海伦哲专用车辆股份有限公司 | 一种高空作业车的工作斗调平系统 |
| CN208532159U (zh) * | 2018-07-03 | 2019-02-22 | 徐州海伦哲专用车辆股份有限公司 | 一种高空作业车的工作斗调平系统 |
-
2018
- 2018-07-03 CN CN201810715474.2A patent/CN108658019B/zh active Active
- 2018-10-24 WO PCT/CN2018/111594 patent/WO2020006932A1/fr not_active Ceased
- 2018-10-24 MY MYPI2020003897A patent/MY199697A/en unknown
- 2018-10-24 GB GB2011541.6A patent/GB2587267B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| GB2587267B (en) | 2021-08-18 |
| CN108658019B (zh) | 2019-07-30 |
| CN108658019A (zh) | 2018-10-16 |
| GB2587267A (en) | 2021-03-24 |
| WO2020006932A1 (fr) | 2020-01-09 |
| GB202011541D0 (en) | 2020-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY199697A (en) | Bucket leveling system for aerial work truck | |
| EP3196482A3 (fr) | Système de commande de l'alimentation en fluide hydraulique d'un accessoire de véhicule de travail | |
| US9400002B2 (en) | Load sensing electric-proportional multi-way valve | |
| CN103085865A (zh) | 装载机负荷敏感转向液压系统 | |
| CN104030163B (zh) | 一种船用全液压起重机低能耗及低发热恒压系统 | |
| CN203994836U (zh) | 用于压块机的液压控制系统 | |
| GB1365143A (en) | Variable bypass for fluid power transfer systems | |
| CN106438555B (zh) | 液压控制阀和液压系统 | |
| GB1355313A (en) | Sunchronised control system for telescoping booms | |
| CN109306976B (zh) | 一种负载敏感控制系统 | |
| CN105084261A (zh) | 双泵合流节能型叉车液压系统 | |
| CN205207311U (zh) | 中位负流量阀、动臂节能控制系统及挖掘机 | |
| CN204279610U (zh) | 平地机变量工作转向液压系统 | |
| CN205260464U (zh) | 一种节能型锚绞机控制阀组 | |
| CN104192201A (zh) | 液压转向控制阀及液压转向系统 | |
| CN203570713U (zh) | 负荷传感液压控制系统与工程机械 | |
| CN110905875A (zh) | 一种拖拉机双泵合分流负荷传感液压系统 | |
| CN107337092B (zh) | 一种起重机用油压控制回路及其方法 | |
| CN205047555U (zh) | 卸船机非比例负载敏感液压变幅驱动控制系统 | |
| CN103216477A (zh) | 一种单动力液压源的定量泵压力补偿方法及装置 | |
| CN103758810A (zh) | 开芯式负载敏感系统 | |
| CN109854556B (zh) | 油源阀、液压系统和工程机械 | |
| CN205559390U (zh) | 负载敏感压差可控和双曲功率限制的液压变量双泵 | |
| CN111285257A (zh) | 起重机液压控制系统 | |
| CN207002040U (zh) | 一种起重机用油压控制回路 |