DRIVING SHAFT SUPPORT DEVICE OF ROTARY TRANSMISSION TOOL IN SHEET METAL FRAME

• Main Authors: AIZAWA RYOICHI, ISHIMARU MASAKUNI, TAKECHI TOSHIO
• Format: Patent
• Language: English
• Published: 16.01.1992
• 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

PURPOSE:To obtain the title device reducing weight, capable of supporting a rotary driving shaft in high accuracy, by attaching an external end supporting part of top shaft to an inner surface of an external cover in an integrated way as a sheet metal material having a bearing fitting cylindrical part and a run-out preventing collar part extending to the outside of the cylindrical part. CONSTITUTION:In a driving shaft support device of rotary tilling device of agricultural tractor, a tubular supporting pipe 3 is protrusively equipped from a side wall of a central transmission case 2 internally having a driving gear 1, a side transmission case 6 of a pair of an inner cover 4 and an external cover 5 made of sheet metal is attached to the end of the supporting pipe 3, a driven rotor 7 is positioned in the side transmission case 6 and the driving gear 1 is connected to the driven rotor 7 by a top shaft 8. In the operation, an external end supporting part 9 of the top shaft 8 is fixed to an inner surface of the external cover 5 in an integrated way as a sheet metal material having a bearing fitting cylindrical part 10 and a run-out preventing collar part 11 extending to the outside of the cylindrical part to support the rotary driving shaft in high accuracy.