Pilot-operated multi-way valve, in particular for the hydraulic face support in the coal mining

• 1. 一种用于煤矿综采工作面液压支架安撤的专用装置 [P] . 中国专利： CN214787481U . 2021-11-19
• 2. 一种适用于煤矿工作面电机的链式液压拉马 [P] . 中国专利： CN213352297U . 2021-06-04
• 3. Pilot-operated multi-way valve, in particular for the hydraulic face support in the coal mining [P] . 德国专利： DE2252956A1 . 1974-05-09

  机译： 先导式多路阀，特别是用于煤矿中的液压工作面支撑

• 4. Pilot-operated multi-way valve, in particular for the controlling of the working medium, hydraulic cylinder of the face supports in the mining industry. [P] . 德国专利： DE2319311A1 . 1974-11-07

  机译： 先导式多路阀，特别是用于采矿业中工作面支架液压缸的控制。

• 5. Hydraulic valve for face support system especially for coal mining has separate housings linked by clamping ring [P] . 德国专利： DE102007025889A1 . 2008-12-11

  机译： 用于工作面支撑系统的液压阀，特别是用于煤矿开采的液压阀，具有通过夹紧环连接的独立壳体

• 1. Hydraulic support crushed mechanism for the shallow seam mining face under the roadway pillars of room mining goaf [J] . Wang Fangtian, Duan Chaohu, Tu Shihao, 矿业科学技术（英文版） . 2017,第005期
• 2. Hydraulic support crushed mechanism for the shallow seam mining face under the roadway pillars of room mining goaf [J] . Wang Fangtian, Duan Chaohua, Tu Shihao, 矿业科学技术学报：英文版 . 2017,第005期
• 3. Hydraulic support stability control of fully mechanized top coal caving face with steep coal seams based on instable critical angle [J] . TO Shi-hao, YUAN Yong, LI Nai-liang, 煤炭学报：英文版 . 2008,第003期
• 4. Analysis of stability of support and surrounding rock in mining top coal of inclined coal seam [J] . Xin Yajun, Gou Panfeng, Ge Fudong 矿业科学技术（英文版） . 2014,第001期
• 5. Analysis of stability of support and surrounding rock in mining top coal of inclined coal seam [J] . Xin Yajun, Gou Panfeng, Ge Fudong 矿业科学技术学报：英文版 . 2014,第001期
• 6. Hydraulic support pilot-operated check valve test system design [C] . Xi Zhang, Yongqi Liu, Peng Xia, 2014 IEEE Workshop on Electronics, Computer and Applications . 2014
• 7. THE DESIGN OF COAL MINE ROOF SUPPORT AND YIELDING PILLARS FOR LONGWALL MINING IN THE APPALACHIAN COALFIELD (ROCK MASS CLASSIFICATION, STRESS, FAILURE). [D] . NEWMAN, DAVID ALAN. 1985
• 8. Fatigue Behavior of a Box-Type Welded Structure of Hydraulic Support Used in Coal Mine [O] . Xiaohui Zhao, Fuyong Li, Yu Liu, 2015
• 9. Nonlinear modeling and stability analysis of a pilot-operated valve-control hydraulic system [O] . Wei Wei, Hongchao Jian, Qingdong Yan, 2018
• 10. Survey of Underground Hydraulic Coal Mining Technology. Volume III. Appendix B: Data on Hydraulic Mining Equipment and Components. [R] . Cooley, W. C. 1975

• 1. 龙东煤矿首采大倾角综采工作面液压支架安装工艺的实施与探讨 [C] . 张雨 . 第五届全国煤炭工业生产一线青年技术创新交流表彰大会 . 2010
• 2. 液压多路阀试验台研制及多路阀瞬态试验研究 [A] . 何志鹏 . 2017