Matching speed of sugarcane harvester with cutter speed

Matching speed of sugarcane harvester and cutter speed Zheng Dingke1, District Yinggang1, Li Zhiwei1, Qing Shangle2, Liu Qingting1 (1. South China Agricultural University Southern Agricultural Machinery and Equipment Key Technology Department of the Ministry of Education.

Fund Project: State Five “Technology Support Program Project (2006BAD11A07-2); Guangdong Science and Technology Department Science and Technology Research Project (2007A020300010-2); 2007 Guangdong Province Supporting Agricultural Mechanization Development Project Project; Agricultural Science and Technology Achievements Transformation Wg One Part Cutter Cutter angular velocity (rad/s); R0 - blade apex radius (m); Ri blade root point radius (m).

Speed ​​tester (3402, TACHOHiTester, Japan), digital camera (SONYDSC-P92) and vernier caliper.

4.2 Test materials and methods YT (sugar) 79-177 planted by Pingtang Reservoir Team of Yangcun Town, Boluo County, Guangdong Province was used as the test material for field harvesting test. The planting density was 7~12/m, and the sugarcane diameter was 20~. More than 90% in the range of 30mm. During the test, the cutting quality of the cane roots under the conditions of the five forward speeds and the two root cutter speeds was examined.

Harvester forward speed Cutter speed 4ZZX-48 whole stalk sugar cane harvester 4.3 Test results and analysis test results Table 1 shows. The test results show that the cut quality of the sugarcane root hoe is poor when cutting the cutter at low speed (less than 500r/min), the root stalk has tearing phenomenon, the slit is not flush; when the harvester advances slowly and the cutter rotates at a higher speed ( When it is greater than 500r/min, multi-knife cutting occurs. When the forward speed of the harvester is fast and the cutter speed is low (less than 500r/min), the phenomenon of missing and hitting the cane occurs.

Therefore, under the condition of ensuring the quality of the cutting surface (cutter speed greater than 500r/min), when the forward speed of the harvester is faster, the rotation speed of the cutter should be correspondingly faster, so as to avoid or reduce multi-knife cutting and leakage. Cutting phenomenon.

Table 1 Verification of the cutter speed of the root cutter and the forward speed of the harvester. Forward speed of the harvester. Cutter speed continued. Table 1 Cutter speed Harvester forward speed 5 Conclusions According to the cutting mechanism of sugar cane, the condition of the disc cutter without cutting And to avoid the conditions of multi-knife cutting, the matching relationship between the forward speed of the harvester and the speed of the cutter was analyzed. The 4ZZX-48 whole-stalk sugarcane harvester was taken as the research object, and the matching relationship was obtained. Calculation and field verification, the following conclusions are obtained: 1) to ensure that the cutting surface is flat and not torn, the cutter speed is 2) when the harvester advances faster, the cutter speed should be correspondingly faster to avoid or Reduce multi-knife cutting and missing cuts.

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