CN109095367A - 液压系统和起重机 - Google Patents
液压系统和起重机 Download PDFInfo
- Publication number
- CN109095367A CN109095367A CN201811023057.8A CN201811023057A CN109095367A CN 109095367 A CN109095367 A CN 109095367A CN 201811023057 A CN201811023057 A CN 201811023057A CN 109095367 A CN109095367 A CN 109095367A
- Authority
- CN
- China
- Prior art keywords
- valve
- hydraulic
- spool
- oil
- balanced valve
- 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
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 72
- 239000012530 fluid Substances 0.000 claims abstract description 68
- 239000003921 oil Substances 0.000 claims abstract description 50
- 230000008859 change Effects 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/08—Driving gear incorporating fluid motors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811023057.8A CN109095367B (zh) | 2018-09-04 | 2018-09-04 | 液压系统和起重机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811023057.8A CN109095367B (zh) | 2018-09-04 | 2018-09-04 | 液压系统和起重机 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109095367A true CN109095367A (zh) | 2018-12-28 |
CN109095367B CN109095367B (zh) | 2020-05-12 |
Family
ID=64864989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811023057.8A Active CN109095367B (zh) | 2018-09-04 | 2018-09-04 | 液压系统和起重机 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109095367B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109592592A (zh) * | 2019-01-04 | 2019-04-09 | 武汉船用机械有限责任公司 | 电缆绞车系统的液压控制系统 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3669411A (en) * | 1970-03-26 | 1972-06-13 | Lorne J Mckendrick | Load balancer |
JPH11301968A (ja) * | 1998-04-16 | 1999-11-02 | Hitachi Constr Mach Co Ltd | 極微速でロープを繰り出す油圧巻上装置を搭載した作業機 |
JP2002039107A (ja) * | 2000-07-18 | 2002-02-06 | Hitachi Constr Mach Co Ltd | カウンタバランス弁を有する油圧回路およびクレーン |
CN202575822U (zh) * | 2012-06-04 | 2012-12-05 | 中联重科股份有限公司 | 工程机械及其卷扬液压控制系统 |
CN203319595U (zh) * | 2013-07-02 | 2013-12-04 | 中联重科股份有限公司 | 起重机卷扬液压系统及起重机 |
CN104555772A (zh) * | 2014-12-31 | 2015-04-29 | 中联重科股份有限公司 | 起重机卷扬液压系统和起重机 |
CN204400467U (zh) * | 2014-11-24 | 2015-06-17 | 徐州重型机械有限公司 | 起重机卷扬能量回收与再利用系统及起重机 |
-
2018
- 2018-09-04 CN CN201811023057.8A patent/CN109095367B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3669411A (en) * | 1970-03-26 | 1972-06-13 | Lorne J Mckendrick | Load balancer |
JPH11301968A (ja) * | 1998-04-16 | 1999-11-02 | Hitachi Constr Mach Co Ltd | 極微速でロープを繰り出す油圧巻上装置を搭載した作業機 |
JP2002039107A (ja) * | 2000-07-18 | 2002-02-06 | Hitachi Constr Mach Co Ltd | カウンタバランス弁を有する油圧回路およびクレーン |
CN202575822U (zh) * | 2012-06-04 | 2012-12-05 | 中联重科股份有限公司 | 工程机械及其卷扬液压控制系统 |
CN203319595U (zh) * | 2013-07-02 | 2013-12-04 | 中联重科股份有限公司 | 起重机卷扬液压系统及起重机 |
CN204400467U (zh) * | 2014-11-24 | 2015-06-17 | 徐州重型机械有限公司 | 起重机卷扬能量回收与再利用系统及起重机 |
CN104555772A (zh) * | 2014-12-31 | 2015-04-29 | 中联重科股份有限公司 | 起重机卷扬液压系统和起重机 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109592592A (zh) * | 2019-01-04 | 2019-04-09 | 武汉船用机械有限责任公司 | 电缆绞车系统的液压控制系统 |
Also Published As
Publication number | Publication date |
---|---|
CN109095367B (zh) | 2020-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220728 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20181228 Assignee: Xuzhou Heavy Machinery Co.,Ltd. Assignor: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Contract record no.: X2022980019352 Denomination of invention: Hydraulic system and crane Granted publication date: 20200512 License type: Common License Record date: 20221024 |