本发明涉及一种能源再生利用的液压控制主阀,包括端盖、阀芯、左单向阀和右单向阀。阀芯的两端均设有一个端盖,阀芯上设有左油口T、油口A、油口I/L、油口I/M、油口I/R、油口B、右油口T和油口P。端盖与阀芯之间均设有弹簧和弹簧座。阀芯的左右两端分别嵌有左单向阀和右单向阀。左单向阀由左阀座、左锥阀芯和左弹簧组成,左锥阀芯的锥面通过左弹簧的作用紧 The invention relates to a hydraulically controlled main valve for energy regeneration and utilization, which comprises an end cap, a valve core, a left check valve and a right check valve. Both ends of the valve core are provided with an end cap. The valve core is provided with a left oil port T, a port A, a port I / L, a port I / M, a port I / R, a port B, and a right oil Port T and Port P. Spring and spring seat are arranged between the end cap and the valve core. The left and right ends of the spool are respectively embedded with a left check valve and a right check valve. The left one-way valve is composed of the left valve seat, the left cone valve core and the left spring. The cone of the left cone valve spool is tightly pressed by the action of the left spring