Hydraulic transmission beam-pumping unit
JIANG YOUJUN, WANG LI, WANG DONG, LI DEWEI, SU XIAOHUI, YANG JIZHONG, ZHANG ZIZHONG, FAN JIANBO, WANG LIANYUN
Year of Publication 15.01.2014
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Year of Publication 15.01.2014
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Press machine for assembling and disassembling bearing of oil pumping unit
JIANG YOUJUN, WANG LI, WANG DONG, LI DEWEI, SU XIAOHUI, YANG JIZHONG, ZHANG ZIZHONG, FAN JIANBO, WANG LIANYUN
Year of Publication 01.01.2014
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Year of Publication 01.01.2014
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Hydraulic transmission beam-pumping unit
JIANG YOUJUN, WANG LI, WANG DONG, LI DEWEI, SU XIAOHUI, YANG JIZHONG, ZHANG ZIZHONG, FAN JIANBO, WANG LIANYUN
Year of Publication 11.12.2013
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Year of Publication 11.12.2013
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Cross beam bearing pedestal for beam-pumping unit
JIANG YOUJUN, YANG SHUJING, WANG XUELING, LIU TIEFU, WANG DONG, LI DEWEI, YANG JIZHONG, ZHANG ZIZHONG, FAN JIANBO
Year of Publication 25.07.2012
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Year of Publication 25.07.2012
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Composite balance dual-horsehead oil pumping unit
WANG LI, LI DEWEI, ZHU WENJUN, SU XIAOHUI, YANG JIZHONG, ZHANG ZIZHONG, FAN JIANBO, HAN YUJUN, JIANG YOUJUN, WANG XUELING, WANG DONG, ZHENG RUILING, WANG LIANYUN
Year of Publication 25.06.2014
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Year of Publication 25.06.2014
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Automatically adjusting balance pumping unit
JIANG YOUJUN, WANG LI, WANG XUELING, WANG DONG, LI DEWEI, SU XIAOHUI, YANG JIZHONG, ZHANG ZIZHONG, FAN JIANBO, HAN YUJUN, WANG LIANYUN
Year of Publication 27.03.2013
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Year of Publication 27.03.2013
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PUMPING UNIT CAPABLE OF AUTOMATICALLY ADJUSTING BALANCE
SU, XIAOHUI, WANG, XUELING, ZHANG, ZIZHONG, GUO, DONG, YANG, JIZHONG, FAN, JIANBO, WANG, DONG, HAN, YUJUN, WANG, LI, WANG, LIANYUN, LI, DEWEI, JIANG, YOUJUN
Year of Publication 24.04.2014
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Year of Publication 24.04.2014
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No-beam and energy-saving oil pumping machine
JIANG YOUJUN, WANG LI, WANG XUELING, WANG DONG, LI DEWEI, SU XIAOHUI, WAN JINTAO, ZHANG ZIZHONG, FAN JIANBO, WANG LIANYUN
Year of Publication 05.09.2012
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Year of Publication 05.09.2012
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Anti-off crank pin applied on curved beam pumping unit
JIANG YOUJUN, YANG SHUJING, WANG XUELING, GUO WENHONG, WANG DONG, LI DEWEI, YANG JIZHONG, WAN JINTAO, ZHANG ZIZHONG, FAN JIANBO, WANG LIANYUN
Year of Publication 20.04.2011
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Year of Publication 20.04.2011
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Bending walking beam oil pumping unit
JIANG YOUJUN, WANG XUELING, GUO WENHONG, WANG DONG, LI DEWEI, GU ZHIZHANG, YANG JIZHONG, ZHANG ZIZHONG, FAN JIANBO, WANG LIANYUN, HAN YUJUN
Year of Publication 09.02.2011
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Year of Publication 09.02.2011
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Displacement torque conversion composite balancing oil pumping unit
GUO WENHONG, LIU TIEFU, LI DEWEI, JI XIANGYUN, YANG JIZHONG, ZHANG ZIZHONG, GUO DONG, FAN JIANBO, JIANG YOUJUN, ZHANG LINSEN, WANG XUELING, WANG DONG, WANG LIANYUN
Year of Publication 09.02.2011
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Year of Publication 09.02.2011
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