Jiangsu University

Zheng Ma

Lizhang Xu

Yaoming Li

Zhong Tang

Min Han

Zhenwei Liang

Xinzhong Wang

Peng Liu

Jianting Wang

Ying Zhou

Kechao Ma

Hongxin Li

Jinpeng Hu

Shuaifeng Xing

Jiahui Pan

En Lu

Xiaoyu Chai

A self-adaptive control system for height and operation of ratooning rice stubble cutting includes a stubble righting device, a profiling contact sensor, a speed radar, and a controller; the stubble righting device is installed at the rear of the harvester, and is connected to the bracket by the stubble righting device hydraulic cylinder; the profiling contact sensor is configured to detect the height of the header above the ground and transmit data to the controller; the speed radar is configured to obtain and transmit speed information of the harvester to the controller; the hydraulic valve block is installed on the chassis frame and connected to the header lifting hydraulic cylinder and the stubble righting device hydraulic cylinder respectively; input terminals of the controller are connected to the profiling contact sensor and the speed radar, and output terminals of the controller are connected to the motor and hydraulic valve block.

Self-adaptive control system and method for stubble height and stubble righting operation of ratooning rice

An assembly quality detection device and a method for a wind screen cleaning system based on streamline pattern, includes a main body of a test bench and a detection system. The main body of the test bench includes a test bench rack and a cleaning centrifugal fan; the inside of the test bench rack is provided with a cleaning space. The detection system includes a smoke generation and transmission device, a two-degree-of-freedom smoke fixed-point release mechanism, a high-speed image acquisition system and a control system. A fixed base is installed on the upper end of the outlet of the cleaning centrifugal fan, a linear moving guide rail device is installed on the fixed base, the linear moving guide rail device is equipped with a moving slider, the moving slider is installed with a rotating mechanism, the rotating mechanism output end is provided with a smoke releasing duct, the smoke releasing duct is communicated with the smoke generation and transmission device. The detection device and method can test the manufacturing and assembly quality of the cleaning system of the combine harvester by combining the characteristics of wind tunnel streamline pattern with image processing and corresponding mathematical operation.

Assembly quality detecting device and method for wind screen cleaning system based on streamline pattern

A threshing device with two-way pull wires and adjustable threshing clearance includes a tensioning mechanism, and several grid bars in clearance fit with side plates, wherein the tensioning mechanism is mounted on the several grid bars so that the grid bars can move in radial and tangential directions in the clearance; the tensioning mechanism includes a tangential tensioning device and a radial tensioning device, wherein the radial tensioning device is mounted in the radial direction of any one of the grid bars, so that the grid bars can move in the radial direction in the clearance; the tangential tensioning device is mounted in series in the tangential direction of the grid bars, so that the grid bars can move in the tangential direction in the clearance. Further disclosed is a combined harvester, which includes the threshing device with two-way pull wires and adjustable threshing clearance.

Threshing device with two-way pull wires and adjustable threshing clearance and combined harvester

A device for conveying and feeding wet material for a cross-flow hot air combine harvester, the device consisting of a hot air pumping part and a material conveying part. The hot air pumping part uses an air suction pump () to pump a flow of hot waste air from an engine radiator () of the combine harvester by means of an air suction pipeline () so as to provide hot air flow for the material conveying and feeding device. The material conveying part consists of a chain harrow-type conveying groove structure (A) and a cross-flow air chamber structure (B), wherein the chain harrow-type conveying groove structure (A) is used for forcibly conveying and feeding a material; and the cross-flow air chamber structure (B) uses hot air to dry the material, blows to assist in feeding the material, and uses a cross-flow air wheel () to forcibly feed the material.

Device for conveying and feeding wet material for cross-flow hot air combine harvester

An automatic uniform distribution apparatus for the threshed material from the combine harvester comprises a tangential flow threshing and separating device, a shaking plate threshed material detecting device, a shaking plate, a shaking plate flow guiding mechanism, an axial flow threshing and separating device, a chaff screw conveyor, a return plate, a return plate flow guiding mechanism, a return plate threshed material detecting device, a vibrating sieve, and an on-line detection controller. Force sensors are provided at lateral positions below discharge ports of the shaking plate and the return plate to measure flow rates of the threshed material in lateral regions of the shaking plate and the return plate.

Automatic uniform distribution apparatus and automatic adjusting method for threshed material from harvester

Growing community of inventors

Jiangsu, China

Zheng Ma