Patents by Inventor Lizhang Xu

Lizhang Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11730072
    Abstract: A harvesting and sowing integrated compound operation machine, including a combine harvester, a stubble cleaning device, a topsoil loosening device, a fertilization device, a rotary tillage and ditching device, a sowing device, a detection device, a first driving device, a second driving device and a control device, wherein the stubble cleaning device is mounted below a header of the combine harvester; and the topsoil loosening device, the fertilization device, the rotary tillage and ditching device and the sowing device are mounted at a rear of a chassis of the combine harvester.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: August 22, 2023
    Assignee: Jiangsu University
    Inventors: Lizhang Xu, Tiaotiao Chen, Yixin Sun, Yaoming Li
  • Publication number: 20230180646
    Abstract: A harvesting and sowing integrated compound operation machine, including a combine harvester, a stubble cleaning device, a topsoil loosening device, a fertilization device, a rotary tillage and ditching device, a sowing device, a detection device, a first driving device, a second driving device and a control device, wherein the stubble cleaning device is mounted below a header of the combine harvester; and the topsoil loosening device, the fertilization device, the rotary tillage and ditching device and the sowing device are mounted at a rear of a chassis of the combine harvester.
    Type: Application
    Filed: June 30, 2020
    Publication date: June 15, 2023
    Applicant: Jiangsu University
    Inventors: Lizhang XU, Tiaotiao CHEN, Yixin SUN, Yaoming LI
  • Patent number: 11428603
    Abstract: 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.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: August 30, 2022
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zheng Ma, Min Han, Yaoming Li, Lizhang Xu, Xinzhong Wang, Zhong Tang, Hongxin Li
  • Patent number: 11330764
    Abstract: 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.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: May 17, 2022
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zheng Ma, Min Han, Yaoming Li, Lizhang Xu, Kechao Ma, Zhong Tang, En Lu, Zhenwei Liang
  • Patent number: 11272664
    Abstract: 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 (4) to pump a flow of hot waste air from an engine radiator (1) of the combine harvester by means of an air suction pipeline (3) 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 (14) to forcibly feed the material.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: March 15, 2022
    Assignee: Jiangsu University
    Inventors: Yaoming Li, Zheng Ma, Lizhang Xu, Zhong Tang, Jianting Wang, Min Han
  • Publication number: 20210329842
    Abstract: 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. The present invention further provides a combined harvester, which includes the threshing device with two-way pull wires and adjustable threshing clearance.
    Type: Application
    Filed: March 26, 2019
    Publication date: October 28, 2021
    Inventors: Zheng MA, Min HAN, Yaoming LI, Lizhang XU, Kechao MA, Zhong TANG, En LU, Zhenwei LIANG
  • Publication number: 20210239564
    Abstract: 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.
    Type: Application
    Filed: September 7, 2018
    Publication date: August 5, 2021
    Inventors: Zheng MA, Min HAN, Yaoming LI, Lizhang XU, Xinzhong WANG, Zhong TANG, Hongxin LI
  • Patent number: 11039573
    Abstract: 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.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: June 22, 2021
    Assignee: Jiangsu University
    Inventors: Lizhang Xu, Ying Zhou, Yaoming Li, Zhong Tang, Zheng Ma
  • Publication number: 20210137008
    Abstract: 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 (4) to pump a flow of hot waste air from an engine radiator (1) of the combine harvester by means of an air suction pipeline (3) 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 located at an upper part of the cross-flow air chamber structure (B) and 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 (14) to forcibly feed the material.
    Type: Application
    Filed: December 19, 2017
    Publication date: May 13, 2021
    Inventors: Yaoming Li, Zheng Ma, Lizhang Xu, Zhong Tang, Jianting Wang, Min Han
  • Publication number: 20210015047
    Abstract: 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.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 21, 2021
    Applicant: Jiangsu University
    Inventors: Lizhang XU, Ying ZHOU, Yaoming LI, Zhong TANG, Zheng MA
  • Patent number: 10820518
    Abstract: A self-adaptive throwing device for stalks cutting and discharging in the longitudinal axial flow combine harvesters comprises a longitudinal axial flow stalk discharging and guiding device, a stalks remnant shredding device, a wind direction and wind speed detection device, a reaping region identification device, an operating speed sensor, a shredding revolution speed sensor, a width adjustable throwing device, a self-adaptive throwing real-time control system. The throwing width is self-adaptive based on the machine operating speed, wind speed, wind direction, the position of the region having been cut and the region waiting to be cut, so as to achieve the full width throwing of the stalks remnant. An arc stalk guiding plate and a flow separating bar are mounted in the longitudinal axial flow stalk guiding device to make the shredding load more even.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: November 3, 2020
    Assignee: Jiangsu University
    Inventors: Lizhang Xu, Yang Li, Yaoming Li
  • Patent number: 10716255
    Abstract: The invention provides an adaptive control system and a regulating method for the threshing separation load of the combined harvester and the longitudinal axis. The control system mainly comprises entrainment loss monitoring device, grain breaking rate monitoring device, device for regulating clearance of cutting concave outlet, jitter board load monitoring device, return plate load monitoring device and on-line monitoring and control system. According to the differential signal of the impact force sensor and the inertial force sensor, the cutting flow threshing and separating device is calculated by real-time monitoring of the grain breaking rate, the entrainment loss rate, the tangential groove outlet gap, the cutting drum speed and the longitudinal axis drum speed.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: July 21, 2020
    Assignee: JIANGSU UNIVERSITY
    Inventors: Lizhang Xu, Chuncai Wei, Yaoming Li, Zhenwei Liang
  • Patent number: 10674670
    Abstract: A high-efficiency pickup baler crawler and automatic bale stacking system, includes a straw pickup stubble harvesting device, a continuous conveying preloading device, a lower feeding type compression and baling device, a bale transportation and arraying device, a bale stacking device, a walking device and a counting control. The counting control which controls the amount of bale compression chamber discharge, is used to control the bale conveying device and bale stacking device, to achieve the goals of automatic conveying, pushing and stacking, and avoids artificial secondary handling and improves the working efficiency of the system.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: June 9, 2020
    Assignee: JIANGSU UNIVERSITY
    Inventors: Lizhang Xu, Zhipeng Gao, Yaoming Li
  • Publication number: 20200077582
    Abstract: The invention provides an adaptive control system and a regulating method for the threshing separation load of the combined harvester and the longitudinal axis. The control system mainly comprises entrainment loss monitoring device, grain breaking rate monitoring device, device for regulating clearance of cutting concave outlet, jitter board load monitoring device, return plate load monitoring device and on-line monitoring and control system. According to the differential signal of the impact force sensor and the inertial force sensor, the cutting flow threshing and separating device is calculated by real-time monitoring of the grain breaking rate, the entrainment loss rate, the tangential groove outlet gap, the cutting drum speed and the longitudinal axis drum speed.
    Type: Application
    Filed: August 31, 2016
    Publication date: March 12, 2020
    Inventors: Lizhang XU, Chuncai WEI, Yaoming LI, Zhenwei LIANG
  • Publication number: 20200077591
    Abstract: The invention provides a longitudinal shunt combine machine for drafting and crushing and self-adaptive spraying device and a control method, including a longitudinal axis flow drafting and drainage device, a stalk miscible shredding device, a wind direction wind speed detecting device, a partition identification device, walker, crushing speed sensor, adjustable width throwing device, adaptive throw real-time control system. The width of the throwing can be adjusted according to the speed of the machine, the speed of the wind, the wind speed, the wind direction, the cut area, the position of the area to be adjusted, so that the full width and width of the stalk residue can be scattered evenly in the field avoid broken pieces of straw flinging to the area to be cut.
    Type: Application
    Filed: November 22, 2016
    Publication date: March 12, 2020
    Inventors: Lizhang XU, Yang LI, Yaoming LI
  • Publication number: 20200029504
    Abstract: A high-efficiency pickup baler crawler and automatic bale stacking system, includes a straw pickup stubble harvesting device, continuous conveying preloading device, a lower feeding type compression and baling device, bale transportation and arraying device, bale stacking device, walking device and counting control. The counting control the amount of bale compression chamber discharge, which is used to control the bale conveying device and bale stacking device, achieve the goals of automatic conveying, pushing, stacking, avoids artificial secondary handling and improve the working efficiency of the system.
    Type: Application
    Filed: August 31, 2016
    Publication date: January 30, 2020
    Inventors: Lizhang Xu, Zhipeng Gao, Yaoming Li
  • Patent number: 10143135
    Abstract: A combine harvester self-adaptive cleaning control apparatus, includes a return plate, a cleaning sieve, a cleaning centrifugal blower, an impurity collection and stirring auger, a grain collection and stirring auger, a cleaning grain loss monitoring sensor, a grain tank grain impurity rate automatic monitoring apparatus, and an on-line monitoring and control system. The on-line monitoring and control system is connected to the cleaning centrifugal blower, the cleaning grain loss monitoring sensor, the grain tank grain impurity rate automatic monitoring apparatus, and a power driving mechanism of a louver sieve having an adjustable opening. Also disclosed is a self-adaptive cleaning method of the cleaning apparatus which can automatically adjust various working parameters according to a working quality of a working process, control failure rate, and improve a down-time working time for the apparatus.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: December 4, 2018
    Assignee: JIANGSU UNIVERSITY
    Inventors: Lizhang Xu, Yaoming Li, Zhenwei Liang, Zhong Tang
  • Patent number: 9949433
    Abstract: A cutting longitudinal swaths grain harvesting and baling combine, includes a grain cutting and conveying system, a threshing and separation system, a grain cleaning apparatus, a grain collection and holding system, a straw compression and baling apparatus, a chassis travelling system, and a driving system; when the combine is harvesting grain in fields, the stalks are cut and conveyed to the threshing and separation system by the grain cutting and conveying system; the threshed and separated straw is compressed and baled by the straw compression and baling apparatus; the threshed and separated grain is cleaned by the grain cleaning apparatus; and the cleaned grain is conveyed by the grain collection and holding system to a grain storage bin. The combine can achieve harvesting of grain such as rice and wheat as well as compression and baling of threshed straw, having advantages of high working efficiency, stable performance, a simple process, and being time and labor saving.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: April 24, 2018
    Assignee: JIANGSU UNIVERSITY
    Inventors: Yaoming Li, Lizhang Xu, Zhong Tang
  • Publication number: 20180027732
    Abstract: A combine harvester self-adaptive cleaning control apparatus, includes a return plate, a cleaning sieve, a cleaning centrifugal blower, an impurity collection and stirring auger, a grain collection and stirring auger, a cleaning grain loss monitoring sensor, a grain tank grain impurity rate automatic monitoring apparatus, and an on-line monitoring and control system. The on-line monitoring and control system is connected to the cleaning centrifugal blower, the cleaning grain loss monitoring sensor, the grain tank grain impurity rate automatic monitoring apparatus, and a power driving mechanism of a louver sieve having an adjustable opening. Also disclosed is a self-adaptive cleaning method of the cleaning apparatus which can automatically adjust various working parameters according to a working quality of a working process, improve production efficiency, control failure rate, and improve a down-time working time for the apparatus.
    Type: Application
    Filed: March 17, 2015
    Publication date: February 1, 2018
    Inventors: Lizhang XU, Yaoming LI, Zhenwei LIANG, Zhong TANG
  • Publication number: 20170150678
    Abstract: A cutting longitudinal swaths grain harvesting and baling combine, includes a grain cutting and conveying system, a threshing and separation system, a grain cleaning apparatus, a grain collection and holding system, a straw compression and baling apparatus, a chassis travelling system, and a driving system; when the combine is harvesting grain in fields, the stalks are cut and conveyed to the threshing and separation system by the grain cutting and conveying system; the threshed and separated straw is compressed and baled by the straw compression and baling apparatus; the threshed and separated grain is cleaned by the grain cleaning apparatus; and the cleaned grain is conveyed by the grain collection and holding system to a grain storage bin. The combine can achieve harvesting of grain such as rice and wheat as well as compression and baling of threshed straw, having advantages of high working efficiency, stable performance, a simple process, and being time and labor saving.
    Type: Application
    Filed: July 11, 2014
    Publication date: June 1, 2017
    Applicant: JIANGSU UNIVERSITY
    Inventors: Yaoming Li, Lizhang Xu, Zhong Tang