CN103062148B - 一种节能型优先卸荷阀 - Google Patents
一种节能型优先卸荷阀 Download PDFInfo
- Publication number
- CN103062148B CN103062148B CN201310035379.5A CN201310035379A CN103062148B CN 103062148 B CN103062148 B CN 103062148B CN 201310035379 A CN201310035379 A CN 201310035379A CN 103062148 B CN103062148 B CN 103062148B
- Authority
- CN
- China
- Prior art keywords
- valve
- oil duct
- oil
- load
- spool
- 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.)
- Active
Links
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310035379.5A CN103062148B (zh) | 2013-01-30 | 2013-01-30 | 一种节能型优先卸荷阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310035379.5A CN103062148B (zh) | 2013-01-30 | 2013-01-30 | 一种节能型优先卸荷阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103062148A CN103062148A (zh) | 2013-04-24 |
CN103062148B true CN103062148B (zh) | 2015-09-16 |
Family
ID=48104952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310035379.5A Active CN103062148B (zh) | 2013-01-30 | 2013-01-30 | 一种节能型优先卸荷阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103062148B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6514522B2 (ja) * | 2015-02-24 | 2019-05-15 | 川崎重工業株式会社 | アンロード弁および油圧ショベルの油圧駆動システム |
CN107542716A (zh) * | 2016-06-23 | 2018-01-05 | 镇江液压股份有限公司 | 一种带安全阀的优先阀 |
CN105971959B (zh) * | 2016-06-25 | 2018-11-13 | 玉环县现代工具有限公司 | 一种压差式卸荷安全阀 |
CN106015144B (zh) * | 2016-07-18 | 2018-01-23 | 江苏恒立液压科技有限公司 | 液压卸荷装置 |
CN110454458A (zh) * | 2019-09-12 | 2019-11-15 | 天津华征机械制造有限公司 | 一种液压复轨器油缸有杆腔减压泄荷阀 |
CN111120444B (zh) * | 2020-01-22 | 2022-06-14 | 浙江高宇液压机电有限公司 | 差动补偿优先卸荷阀 |
CN113565817A (zh) * | 2021-06-29 | 2021-10-29 | 英轩重工有限公司 | 一种卸荷阀及其装载机液压多泵合流系统 |
CN114060339B (zh) * | 2021-11-15 | 2023-09-15 | 台州弘一液压伺服科技有限公司 | 可防液压泵过热的反向卸荷阀 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4320622A (en) * | 1978-08-17 | 1982-03-23 | Lucas Industries Limited | Pump unloader and accumulator charging valve |
CN2416266Y (zh) * | 2000-03-13 | 2001-01-24 | 厦门工程机械股份有限公司 | 优先卸荷阀 |
DE20120204U1 (de) * | 2001-12-13 | 2003-04-17 | Klauke Gmbh Gustav | Hydraulisches Verpressgerät |
CN201407223Y (zh) * | 2009-03-20 | 2010-02-17 | 严光贤 | 改进型优先卸荷阀 |
CN202468507U (zh) * | 2012-02-03 | 2012-10-03 | 杭州萧山叉车配件有限公司 | 一种装载机新型变速操纵阀 |
CN203098442U (zh) * | 2013-01-30 | 2013-07-31 | 浙江海克力液压有限公司 | 一种节能型优先卸荷阀 |
-
2013
- 2013-01-30 CN CN201310035379.5A patent/CN103062148B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4320622A (en) * | 1978-08-17 | 1982-03-23 | Lucas Industries Limited | Pump unloader and accumulator charging valve |
CN2416266Y (zh) * | 2000-03-13 | 2001-01-24 | 厦门工程机械股份有限公司 | 优先卸荷阀 |
DE20120204U1 (de) * | 2001-12-13 | 2003-04-17 | Klauke Gmbh Gustav | Hydraulisches Verpressgerät |
CN201407223Y (zh) * | 2009-03-20 | 2010-02-17 | 严光贤 | 改进型优先卸荷阀 |
CN202468507U (zh) * | 2012-02-03 | 2012-10-03 | 杭州萧山叉车配件有限公司 | 一种装载机新型变速操纵阀 |
CN203098442U (zh) * | 2013-01-30 | 2013-07-31 | 浙江海克力液压有限公司 | 一种节能型优先卸荷阀 |
Non-Patent Citations (2)
Title |
---|
50型装载机液压系统动态特性与热平衡研究;王剑鹏;《中国博士学位论文全文数据库 工程科技Ⅱ辑》;20110915(第9期);C029-12 * |
一种高低压卸荷功能的优先阀;李宏跃等;《建筑机械》;20080415(第7期);第93-95页 * |
Also Published As
Publication number | Publication date |
---|---|
CN103062148A (zh) | 2013-04-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103062148B (zh) | 一种节能型优先卸荷阀 | |
CN203098442U (zh) | 一种节能型优先卸荷阀 | |
CN102673639B (zh) | 液压转向控制系统及具有该系统的起重机 | |
CN202251178U (zh) | 一种节能型叉车多路阀 | |
CN104989690A (zh) | 过载卸荷阀 | |
CN104929992A (zh) | 变负载伺服控制系统的节能设计方法 | |
CN203272291U (zh) | 工进快速卸荷回路 | |
CN105090141A (zh) | 液压变量控制系统及车辆 | |
CN204476899U (zh) | 一种起重机回转系统控制阀 | |
CN203879827U (zh) | 一种伺服驱动液压系统 | |
CN203272289U (zh) | 电磁卸荷回路装置 | |
CN104929999A (zh) | 全液压行走控制系统 | |
CN104533863A (zh) | 起重机回转系统控制阀 | |
CN204003685U (zh) | 一种转向制动液压系统及工程机械 | |
CN104029722B (zh) | 工程机械液压转向系统 | |
CN201851413U (zh) | 单向节流液压锁 | |
CN203770276U (zh) | 一种双路供油优先阀 | |
CN202468560U (zh) | 一种液压冲压机床的高速冲压液压回路 | |
CN204704187U (zh) | 过载卸荷阀 | |
CN102588393A (zh) | 一种液压冲压机床的高速冲压液压回路 | |
CN205154780U (zh) | 油泵恒速控制系统 | |
CN202520681U (zh) | 一种全负荷敏感集成阀 | |
CN102330714B (zh) | 负载反馈控制阀 | |
CN203230645U (zh) | 双重节能组合液压阀 | |
CN202846939U (zh) | 一种高速液压机动态分级控制系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Energy-saving type prior unloading valve Effective date of registration: 20191211 Granted publication date: 20150916 Pledgee: Zhejiang Rural Commercial Bank of China branch of Limited by Share Ltd Pledgor: Zhejiang Hercules Hydraulic Co., Ltd. Registration number: Y2019330000295 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200804 Granted publication date: 20150916 Pledgee: Zhejiang Rural Commercial Bank of China branch of Limited by Share Ltd. Pledgor: ZHEJIANG HERCULES HYDRAULIC Co.,Ltd. Registration number: Y2019330000295 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201116 Address after: The coastal city of Taizhou city streets Jinling Road 317000 No. 199 in Zhejiang Province Patentee after: ZHEJIANG HAIHONG HYDRAULIC TECHNOLOGY Co.,Ltd. Address before: Boye road Taizhou city Zhejiang Province coastal city 317000 No. 99 (Luohe) Patentee before: ZHEJIANG HERCULES HYDRAULIC Co.,Ltd. |