CN101397770A - Milling machine outrigger elevator apparatus and pavement milling machine using the same - Google Patents
Milling machine outrigger elevator apparatus and pavement milling machine using the same Download PDFInfo
- Publication number
- CN101397770A CN101397770A CNA2008101745228A CN200810174522A CN101397770A CN 101397770 A CN101397770 A CN 101397770A CN A2008101745228 A CNA2008101745228 A CN A2008101745228A CN 200810174522 A CN200810174522 A CN 200810174522A CN 101397770 A CN101397770 A CN 101397770A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- described left
- proportional reversing
- reversing valve
- milling machine
- 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.)
- Granted
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101745228A CN101397770B (en) | 2005-08-09 | 2005-08-09 | Milling machine outrigger elevator apparatus and pavement milling machine using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101745228A CN101397770B (en) | 2005-08-09 | 2005-08-09 | Milling machine outrigger elevator apparatus and pavement milling machine using the same |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800266377A Division CN101006371B (en) | 2004-08-10 | 2005-08-09 | Single-mode optical fiber |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101397770A true CN101397770A (en) | 2009-04-01 |
CN101397770B CN101397770B (en) | 2011-08-31 |
Family
ID=40516594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101745228A Active CN101397770B (en) | 2005-08-09 | 2005-08-09 | Milling machine outrigger elevator apparatus and pavement milling machine using the same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101397770B (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101975202A (en) * | 2010-10-15 | 2011-02-16 | 马鞍山钢铁股份有限公司 | Hydraulic cylinder synchronous control system and control method thereof |
CN102562062A (en) * | 2010-12-14 | 2012-07-11 | 玛珂系统分析和开发有限公司 | Mining device |
CN102644232A (en) * | 2012-05-09 | 2012-08-22 | 中联重科股份有限公司 | Control method and control device of milling machine and milling machine |
CN102880145A (en) * | 2012-09-28 | 2013-01-16 | 三一重工股份有限公司 | Leg control system and engineering machine |
CN102913493A (en) * | 2012-09-06 | 2013-02-06 | 浙江大学 | Hydraulic system capable of independently adjusting speed by adopting two pressure compensators |
CN103086289A (en) * | 2013-02-05 | 2013-05-08 | 中联重科股份有限公司 | Support oil cylinder extension speed control method, and device, system and crane thereof |
CN104711921A (en) * | 2009-03-25 | 2015-06-17 | 维特根有限公司 | Material ejecting device, support, and ejector |
CN107178024A (en) * | 2016-04-06 | 2017-09-19 | 徐工集团工程机械有限公司 | Supporting leg lift control system and method and engineering machinery |
CN109083892A (en) * | 2018-10-17 | 2018-12-25 | 北京天顺长城液压科技有限公司 | Electrofluidic control device for milling machine supporting leg |
US10407850B2 (en) | 2009-03-25 | 2019-09-10 | Wirtgen Gmbh | Ejector unit for a road milling machine or the like |
CN111328488A (en) * | 2020-04-13 | 2020-06-26 | 中联重机股份有限公司 | Crawler harvester with differential steering |
CN114477020A (en) * | 2021-12-23 | 2022-05-13 | 三江瓦力特特种车辆有限公司 | Hydraulic lifting control circuit with protection function |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103884586A (en) * | 2014-03-24 | 2014-06-25 | 上海交通大学 | Electro-hydraulic loading system of film biaxial tensile testing machine |
-
2005
- 2005-08-09 CN CN2008101745228A patent/CN101397770B/en active Active
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104711921A (en) * | 2009-03-25 | 2015-06-17 | 维特根有限公司 | Material ejecting device, support, and ejector |
US10407850B2 (en) | 2009-03-25 | 2019-09-10 | Wirtgen Gmbh | Ejector unit for a road milling machine or the like |
CN104711921B (en) * | 2009-03-25 | 2017-05-10 | 维特根有限公司 | Material ejecting device, support, and ejector |
CN101975202A (en) * | 2010-10-15 | 2011-02-16 | 马鞍山钢铁股份有限公司 | Hydraulic cylinder synchronous control system and control method thereof |
CN101975202B (en) * | 2010-10-15 | 2013-07-24 | 马鞍山钢铁股份有限公司 | Control method of hydraulic cylinder synchronous control system |
CN102562062A (en) * | 2010-12-14 | 2012-07-11 | 玛珂系统分析和开发有限公司 | Mining device |
CN102644232A (en) * | 2012-05-09 | 2012-08-22 | 中联重科股份有限公司 | Control method and control device of milling machine and milling machine |
CN102644232B (en) * | 2012-05-09 | 2014-12-10 | 中联重科股份有限公司 | Control method and control device of milling machine and milling machine |
CN102913493A (en) * | 2012-09-06 | 2013-02-06 | 浙江大学 | Hydraulic system capable of independently adjusting speed by adopting two pressure compensators |
CN102880145A (en) * | 2012-09-28 | 2013-01-16 | 三一重工股份有限公司 | Leg control system and engineering machine |
CN103086289B (en) * | 2013-02-05 | 2015-06-17 | 中联重科股份有限公司 | Support oil cylinder extension speed control method, and device, system and crane thereof |
CN103086289A (en) * | 2013-02-05 | 2013-05-08 | 中联重科股份有限公司 | Support oil cylinder extension speed control method, and device, system and crane thereof |
CN107178024A (en) * | 2016-04-06 | 2017-09-19 | 徐工集团工程机械有限公司 | Supporting leg lift control system and method and engineering machinery |
CN107178024B (en) * | 2016-04-06 | 2023-01-17 | 江苏徐工工程机械研究院有限公司 | Landing leg lifting control system and method and engineering machinery |
CN109083892A (en) * | 2018-10-17 | 2018-12-25 | 北京天顺长城液压科技有限公司 | Electrofluidic control device for milling machine supporting leg |
CN111328488A (en) * | 2020-04-13 | 2020-06-26 | 中联重机股份有限公司 | Crawler harvester with differential steering |
CN114477020A (en) * | 2021-12-23 | 2022-05-13 | 三江瓦力特特种车辆有限公司 | Hydraulic lifting control circuit with protection function |
Also Published As
Publication number | Publication date |
---|---|
CN101397770B (en) | 2011-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101397770B (en) | Milling machine outrigger elevator apparatus and pavement milling machine using the same | |
CN106438591B (en) | The high-precision propulsion hydraulic system of balancing earth-pressure shielding machine ratio control and control method | |
CN201739246U (en) | Mechanical locking type double-cylinder synchronous erecting support hydraulic circuit | |
CN101318538B (en) | Hydraulic control system and apparatus for split positioning of ship body | |
CN202707069U (en) | Shield tunneling machine and thrust hydraulic system thereof | |
CN106351134B (en) | Existing line box culvert is worn under one kind and synchronizes jacking system and jacking method | |
CN102912778B (en) | Locking device and hydraulic control system thereof | |
CN202381427U (en) | Hydraulic oil cylinder synchronization control loop and crane using same | |
CN103982475B (en) | A kind of concrete ejection car jib hydraulic control system | |
CN103398039B (en) | A kind of control valve device, multi-cylinder synchronous hydraulic control system and hoist | |
CN104632736A (en) | Two-degree-of-freedom rocking platform and hydraulic system thereof | |
CN101230584A (en) | Laser-control flattening bulldozer | |
CN104594165B (en) | Leveling system, paver and leveling method | |
CN102808433B (en) | Hydraulic circuit and method for controlling compound actions of excavator movable arm | |
CN205876836U (en) | Synchronous hydraulic system and hoist | |
CN106015138A (en) | Synchronous hydraulic system and crane | |
CN113819097B (en) | Control valve group, hydraulic system, engineering machinery and arm support overturning control method of engineering machinery | |
CN103047206A (en) | Fast synchronization hydraulic system for segment assembling lifting motion | |
CN202787344U (en) | Hydraulic circuit used for controlling compound motion of swing arm of electric shovel | |
CN102587445A (en) | Load sensing flow control hydraulic system with energy regeneration and conservation | |
CN104179460A (en) | Tower lifting device of roller-bit hole rig | |
CN108316096B (en) | Integrated control hydraulic system of road paver and control method thereof | |
CN202867378U (en) | Flow distribution device | |
CN203009424U (en) | Control device for symmetrical telescoping stroke of cutting drum | |
CN104452548A (en) | Paving width automatic control system of paver |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Correction of invention patent gazette |
Correction item: Application date, case information Correct: 20081105, cancel the case False: 20050809,2005800266377 Number: 13 Volume: 25 |
|
CI02 | Correction of invention patent application |
Correction item: Application date and case information Correct: 20081105, cancel the case False: 20050809 Number: 13 Page: The title page Volume: 25 |
|
ERR | Gazette correction |
Free format text: CORRECT: APPLICATION DATE, DIVISION INFORMATION; FROM: 20050809,2005800266377 TO: 20081105, CANCEL DIVISION |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151116 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, Room 502, Hunan Patentee after: Yiyang science and Technology Achievement Transformation Service Center Patentee after: Sanyi Heavy Industry Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: Sanyi Heavy Industry Co., Ltd. |