Front shaft and front shaft arm device of plant protection machine

• Main Authors: WU LIPING, HU BO, JIN QIAO, WANG ZIMING, GENG CHENGJIAN
• Format: Patent
• Language: Chinese; English
• Published: 01.06.2011
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL; SOIL WORKING IN AGRICULTURE OR FORESTRY; TRAPPING

The utility model provides a front shaft and front shaft arm device of a plant protection machine, mainly comprising front shaft arms, compacting pads, compacting blocks, compacting bolts, and a wheel distance adjusting oil cylinder, wherein the section structure of a front shaft adopts a hollow hexahedron form; the section structure of the front shaft arm adopts a hollow pentahedron form that copies the shape of the section structure of the front shaft; two front shafts are arranged in parallel from front to rear; the front shaft arm can slide in the front shaft in axial direction; one ends of the left wheel distance adjusting oil cylinder and the right wheel distance adjusting oil cylinder are fixed on the front shafts respectively and the other ends of the left wheel distance adjusting oil cylinder and the right wheel distance adjusting oil cylinder are fixed on the front shaft arms; the compacting pad is arranged between two lower planes of the front shaft and the front shaft arm; the compacting bolts are