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公开(公告)号：US10273657B2
公开(公告)日：2019-04-30
申请号：US15506751
申请日：2014-10-20
Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGY
Inventor： Long Quan , Huimin Hao , Jiahai Huang , Bing Wu , Xiaohong Han
IPC: F15B21/14 , F15B1/04 , E02F9/22 , E02F3/42 , E02F9/02 , E02F9/12 , E02F9/20 , F15B11/16 , F15B13/06 , F15B21/08 , F15B1/02
Abstract: A variable-speed volume-control direct-drive all-electric hydraulic excavator drive and energy recover system the control drive circuit of which includes the A, B, C energy source, boom cylinder control valve group, arm cylinder control valve group, bucket control valve, swing control valve, swing motor control valve group, left travel control valve, right travel control valve, eight 2-position 2-way valve, I and II 2-position 3-way valve, I and II accumulator. The drive control circuit adopts open control independent-cavity variable-speed pump-control volume direct-drive circuit. Each of the cavities of cylinder is controlled by an energy source and the pressure and flow rate of the cavities are adjusted by the rotational speed and torque control of the generator independently. The present invention is four-quadrant running and have advantages of high efficiency, high integrity, low consumption, redundancy energy source, no need for pilot supply, low noise, integrate recovery of kinetic and potential energy.
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公开(公告)号：US20160305455A1
公开(公告)日：2016-10-20
申请号：US15101399
申请日：2014-09-24
Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGY
Inventor： Long Quan , Youshan Gao , Huimin Hao , Jiahai Huang , Jing Yang
CPC classification number: F15B1/024 , B60K6/12 , E02F9/128 , E02F9/2217 , E02F9/2289 , E02F9/2296 , F15B11/04 , F15B11/08 , F15B13/0401 , F15B13/044 , F15B21/14 , F15B2013/041 , F15B2211/20515 , F15B2211/20523 , F15B2211/20538 , F15B2211/20546 , F15B2211/20561 , F15B2211/212 , F15B2211/214 , F15B2211/265 , F15B2211/30575 , F15B2211/3058 , F15B2211/625 , F15B2211/6309 , F15B2211/6313 , F15B2211/7051 , F15B2211/7058 , F15B2211/761 , F15B2211/88 , F16H61/00 , F16H61/0025 , F16H61/0267 , F16H61/40 , F16H61/4096 , F16H61/448 , F16H2061/0034
Abstract: A double-loop control system with a single hydraulic motor relates to a technical field of hydraulic transmission control, including a hydraulic motor (1), a positive control loop (2), a negative control loop (3), a hydraulic pump (4), an accumulator (5), and an oil tank, wherein the hydraulic motor (1) adopts a unique thrust structure with four inlet/outlet ports; the positive control loop (2) and the negative control loop (3) independently control the hydraulic motor (1), wherein the positive control loop (2) and the negative control loop (3) drive together or only one drives; or braking kinetic energy and potential energy of loads are stored in the accumulator (5) for energy recovery. The present invention uses only one hydraulic motor for satisfying different work conditions and different load driving requirements with advantages such as simple structure, high system reliability and high energy efficiency.
Abstract translation: 具有单液压马达的双回路控制系统涉及液压传动控制的技术领域，包括液压马达（1），正控制回路（2），负控制回路（3），液压泵（4） ），蓄能器（5）和油箱，其中液压马达（1）采用具有四个入口/出口的独特推力结构; 正控制回路（2）和负控制回路（3）独立地控制液压马达（1），其中正控制回路（2）和负控制回路（3）驱动在一起或仅驱动一个驱动器; 或制动动能和负载能量存储在蓄能器（5）中用于能量回收。 本发明仅使用一个液压马达来满足不同的工作条件和不同的负载驱动要求，结构简单，系统可靠性高，能量效率高等优点。
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公开(公告)号：US10047768B2
公开(公告)日：2018-08-14
申请号：US15101399
申请日：2014-09-24
Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGY
Inventor： Long Quan , Youshan Gao , Huimin Hao , Jiahai Huang , Jing Yang
IPC: F15B21/14 , F15B1/02 , E02F9/12 , E02F9/22 , F16H61/00 , B60K6/12 , F15B11/04 , F15B11/08 , F15B13/04 , F15B13/044 , F16H61/02
Abstract: A double-loop control system with a single hydraulic motor relates to a technical field of hydraulic transmission control, including a hydraulic motor (1), a positive control loop (2), a negative control loop (3), a hydraulic pump (4), an accumulator (5), and an oil tank, wherein the hydraulic motor (1) adopts a unique thrust structure with four inlet/outlet ports; the positive control loop (2) and the negative control loop (3) independently control the hydraulic motor (1), wherein the positive control loop (2) and the negative control loop (3) drive together or only one drives; or braking kinetic energy and potential energy of loads are stored in the accumulator (5) for energy recovery. The present invention uses only one hydraulic motor for satisfying different work conditions and different load driving requirements with advantages such as simple structure, high system reliability and high energy efficiency.
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4.发明申请公开(公告)号：US20180023271A1
公开(公告)日：2018-01-25
申请号：US15506751
申请日：2014-10-20
Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGY
Inventor： Long Quan , Huimin Hao , Jiahai Huang , Bing Wu , Xiaohong Han
CPC classification number: E02F9/22 , E02F3/425 , E02F9/02 , E02F9/123 , E02F9/207 , E02F9/2217 , E02F9/2292 , F15B1/024 , F15B1/04 , F15B11/16 , F15B13/06 , F15B21/08 , F15B21/14 , F15B2211/20515 , F15B2211/20569 , F15B2211/20576 , F15B2211/30525 , F15B2211/625 , F15B2211/7051 , F15B2211/7058 , F15B2211/7135
Abstract: A variable-speed volume-control direct-drive all-electric hydraulic excavator drive and energy recover system the control drive circuit of which includes the A, B, C energy source, boom cylinder control valve group, arm cylinder control valve group, bucket control valve, swing control valve, swing motor control valve group, left travel control valve, right travel control valve, eight 2-position 2-way valve, I and II 2-position 3-way valve, I and II accumulator. The drive control circuit adopts open control independent-cavity variable-speed pump-control volume direct-drive circuit. Each of the cavities of cylinder is controlled by an energy source and the pressure and flow rate of the cavities are adjusted by the rotational speed and torque control of the generator independently. The present invention is four-quadrant running and have advantages of high efficiency, high integrity, low consumption, redundancy energy source, no need for pilot supply, low noise, integrate recovery of kinetic and potential energy.
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