Design and Experiment of Hydraulic System for Crawler Chassis of Straddle Type Camellia oleifera Fruit Harvester

DU Xiaoqiang, NING Chen, YANG Zhenhua, MA Zenghong, HE Leiying, HAN Xintao

Abstract

Aiming at the problem of walking power and stability of the straddle Camellia oleifera fruit harvester, a set of chassis walking hydraulic system of the straddle Camellia oleifera fruit harvester with better power matching and walking performance was designed based on the mechanical-hydraulic co-simulation technology. The virtual prototype model of the straddle type crawler chassis was established in RecurDyn software, and the B-level road spectrum was constructed by using the harmonic superposition method. The dynamic characteristics of the crawler chassis in straight-line driving and differential steering were simulated and analyzed. The mechanical and hydraulic co-simulation of the traveling system of the crawler chassis was carried out to study the hydraulic characteristics of the traveling motor under straight-line driving and differential steering conditions by AMESim and RecurDyn software. A straddle type Camellia oleifera fruit harvester driven by four-wheel triangular crawler was manufactured, and the straight-line driving and differential steering tests on road were carried out. The deviation rate of the chassis straight-line driving was 1.7%. The flow rate of the traveling motor was stable at 23L/min and the pressure was stable at 1.5MPa when traveling along a straight line. The flow rate of the traveling motor was stable at 22L/min, and the pressure was fluctuated within the range of 2~12MPa during differential steering test. The results verified the stability of the traveling hydraulic system of the straddle type crawler chassis.

 

Keywords:Camellia oleifera fruit harvester, straddle type crawler chassis, hydraulic system  co-simulation

 

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WANG Jinfeng, TAN Xinjian, WU Xichang, el al. Development status and suggestions of camellia industry in China [ J ]. World Forestry Research, 2020, 33(6) ;80 -84. (in Chinese)

WU Delin, YANG Junhua, LIU Yun, et al. Research progress trend of camellia fruit picking equipment in China [J ]. Journal of Chinese Agricultural Mechanization, 2022, 43( 1 ) ; 186 - 192. ( in Chinese)

RAO Honghui, ZHANG Liyong, HUANG Dengsheng, et al. Design and test of motor-driven picking actuator of camellia fruit with rotate rubber rollerfj]. Transactions of the Chinese Society for Agricultural Machinery, 2018, 49(9) ; 1 15 - 120. (in Chinese)

WU Delin, YUAN Jiahao, LI Chao, et al. Design and experiment of twist-comb end effector for picking camellia fruit [ J ]. Transactions of the Chinese Society for Agricultural Machinery, 2021 , 52(4) ; 21 -32. (in Chinese)

GAO Zicheng, ZHAO Kaijie, LI Lijun, et al. Design and experiment of suspended vibratory actuator for picking Camellia oleifera fruits [ J ] - Transactions of the CSAE, 2019, 35(21); 9-15. (in Chinese)

WU Delin, FU Liqiang, С AO Chengmao, et al. Design and experiment of shaking-branch fruit picking machine for camellia fruit [ J]. Transactions of the Chinese Society for Agricultural Machinery, 2020, 51(11); 176 - 182. (in Chinese)

RAO Honghui, HUANG Dengsheng, WANG Yulong, et al. Design and experiment of hydraulic-driven camellia fruit picking machine[J]. Transactions of the Chinese Society for Agricultural Machinery, 2019, 50(5) : 133 - 139. (in Chinese)

RAO Honghui, W ANG Yulong, LI Qingsong, et al. Design and experiment of camellia fruit layered harvesting device [ J ]. Transactions of the Chinese Society for Agricultural Machinery, 2021 , 52( 10) ; 203 -21 1. (in Chinese)

ASHKAN H, AIDA H D, NAGHMEH R, et al. A decision support system for agricultural machines and equipment selection: a case study on Olive harvester machines[J]. Computers and Electronics in Agriculture, 2018, 148: 207 -216.

YU Pengcheng, LI Changying, TAKEDA F, et al. Measurement of mechanical impacts created by rotary, slapper, and sway blueberry mechanical harvesters[ J]. Computers and Electronics in Agriculture, 2014, 101 ; 84 -92.

FRANCISCO J C, MANUEL P R, GREGORIO LB, et al. Development of a telemetry and yield-mapping system of Olive harvester[ J ]. Sensors, 2015, 15: 4001 -4018.

GAO Zicheng, LI Lijun, LI Xin, et al. Development and test of picking actor in camellia fruit picking machine of tooth comb type [ J ] - Transactions of the CSAE, 2013, 29(10) ; 19 -24. (in Chinese)

LI Xueyi. Application of hydraulic transmission technology in construction machinery [ J Mechanical Management and Development, 2021 , 36( 11); 294 -295. (in Chinese)

HENRI L, MOHAMMAD M A, REZA 0, et al. Path-following controller for 4WDs hydraulic heavy-duty field robots with nonlinear internal dynamics[J]. IFAC, 2019, 52(8) : 375 -380.

ZHU Lu, WANG Decheng, YOU Yong, et al. Design and experiment of crawler-type grass belt harvester in forest [ J ]. Transactions of the Chinese Society for Agricultural Machinery, 2021 , 52(4) ; 126 - 132. (in Chinese)

SUN Yixin, XU Lizhang, JING Bo. Development of a four-point adjustable lifting crawler chassis and experiments in a combine harvester [J] . Computers and Electronics in Agriculture, 2020, 173; 1 -11.

CHI Yuan, ZHANG Rongrong, REN .lie, et al. Steering power ratio affected by soil sinkage with differential steering in tracked vehiclefj]. Transactions of the CSAE, 2016, 32(17); 62 -66. (in Chinese)

LIU Dengzhuo, WANG Aihong, NIU Xuemei, et al. Multibody dynamics co-simulation and analysis based on RecurDyn and AMESim for four-assignment-window axial piston motor J ]. Chinese Hydraulics & Pneumatics, 2017, 41 ( 12) ; 9 - 13. ( in Chinese)

HAO Chivu, FENG Guangbin, SUN Huagang, et al. Co-simulation and operating characteristic analysis of shift clutch based on RecurDyn and AMESim [J]. Journal of Mechanical Transmission, 2018, 42(9) ; 140 - 144. (in Chinese)

ZHANG Rui. Co-simulation analysis of the steering system of tracked vehicle based on AMESim and RecurDyn [J]. Modern Machinery, 2016 , 7( 6 ) ; 22 - 24. (in Chinese)


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