CN103912535B - 变幅重力下降起重机负载敏感多路换向阀 - Google Patents
变幅重力下降起重机负载敏感多路换向阀 Download PDFInfo
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CN104481948B (zh) * | 2014-10-28 | 2017-01-11 | 广西柳工机械股份有限公司 | 稳压流量控制阀及负载敏感模拟阀 |
CN105443481B (zh) * | 2014-12-09 | 2018-01-12 | 徐州重型机械有限公司 | 混联式起重机用多路阀、液压***及起重机 |
CN105857005B (zh) * | 2016-03-24 | 2018-01-23 | 中国北方车辆研究所 | 单作用缸负载敏感比例节流阀组 |
CN107700579B (zh) * | 2017-10-13 | 2022-09-30 | 福建浚顺设备科技有限公司 | 一种挖掘机的附属设备控制*** |
US10801525B2 (en) * | 2018-01-12 | 2020-10-13 | Eaton Intelligent Power Limited | Hydraulic valve with pressure limiter function |
CN111891948A (zh) * | 2020-05-27 | 2020-11-06 | 宁波江北宇洲液压设备厂 | 一种具有手动越权机构的变幅平衡阀 |
CN113833709B (zh) * | 2021-11-25 | 2022-02-25 | 江苏汇智高端工程机械创新中心有限公司 | 一种可调型负载压力补偿平衡***、端盖及平衡阀 |
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JP3617841B2 (ja) * | 1996-02-28 | 2005-02-09 | ブーヘル・ヒドラウリクス・アクチェンゲゼルシャフト | 負荷保持制動弁 |
CN100513802C (zh) * | 2006-05-19 | 2009-07-15 | 卢宇 | 一种五联复合比例操纵阀组 |
CN201187492Y (zh) * | 2008-04-01 | 2009-01-28 | 常德信诚液压有限公司 | 抗流量饱和组合比例操纵阀 |
CN102887447B (zh) * | 2012-10-17 | 2014-09-17 | 中联重科股份有限公司 | 变幅液压缸液压控制回路、起重机及变幅控制方法 |
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Effective date of registration: 20180914 Address after: 545006 1 ho Cheung Road, Yufeng District, Liuzhou, the Guangxi Zhuang Autonomous Region (Yanghe industrial new area) Co-patentee after: GUANGXI LIUGONG MACHINERY Co.,Ltd. Patentee after: LIUZHOU LIUGONG HYDRAULIC COMPONENTS Co.,Ltd. Co-patentee after: Liugong Liuzhou Foundry Co.,Ltd. Address before: 545006 Yanghe North Road, Yanghe Industrial Zone, Liuzhou, the Guangxi Zhuang Autonomous Region, B-14-1 Co-patentee before: GUANGXI LIUGONG MACHINERY Co.,Ltd. Patentee before: LIUZHOU LIUGONG HYDRAULIC COMPONENTS Co.,Ltd. |
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Effective date of registration: 20230510 Address after: 545000 No. 6, Yangtai Road, Yanghe industrial new area, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Zhongyuan Machinery Co.,Ltd. Patentee after: GUANGXI LIUGONG MACHINERY Co.,Ltd. Patentee after: Liugong Liuzhou Foundry Co.,Ltd. Address before: 545006 1 ho Cheung Road, Yufeng District, Liuzhou, the Guangxi Zhuang Autonomous Region (Yanghe industrial new area) Patentee before: LIUZHOU LIUGONG HYDRAULIC COMPONENTS Co.,Ltd. Patentee before: GUANGXI LIUGONG MACHINERY Co.,Ltd. Patentee before: Liugong Liuzhou Foundry Co.,Ltd. |
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