Rice fertilizer field experiment isolation zoning irrigation device

• Main Authors: ZHANG ZHEMING, LI LIN, LI TIAN, LI AICHUAN, LI QI, FU YANTAO, LIU FUZHI, DONG XINYUAN
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2023
• Subjects: FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING

The invention provides a rice fertilizer field experiment isolation zoning irrigation device. The device comprises a water level adjusting assembly; the adjusting cylinder is fixedly arranged on the side wall of the irrigation canal; the moving plate is vertically arranged in the adjusting cylinder in a sliding mode and connected with the water level adjusting assembly through a rack and gear assembly; the bottom of the adjusting plate is elastically connected with the moving plate; a control rod is fixedly arranged at the bottom of the adjusting plate and penetrates through the moving plate. The floating ball is arranged in the adjusting cylinder, and the top of the floating ball abuts against the lower end of the control rod; the sliding groove is elastically and slidably formed in the side wall of the irrigation canal; a plurality of limiting balls are arranged on a rod body of the vertical rod; one end of the adjusting rod penetrates through the long-strip-shaped through groove to be fixedly connected wit