JPH041090U

JPH041090U -

Info

Publication number: JPH041090U
Application number: JP4148990U
Authority: JP
Priority date: 1990-04-18
Filing date: 1990-04-18
Publication date: 1992-01-07

Description

[Brief explanation of the drawing]

第１図及び第２図は本考案の一実施例を示すも
ので、第１図はベルト伝動機構を示す平面図、第
２図は乗用芝刈機の一部を断面にして示す側面図
、第３図は従来例におけるベルト伝動機構を示す
平面図である。１６……乗用作業車、１７，１８……シヤーシ
、１９……縦軸原動機、２０……ミツシヨンケー
ス、２１……出力軸、２２……入力軸、２３……
出力プーリ、２４……入力プーリ、２５……ベル
ト、３１……支軸、３２……テンシヨンアーム、
３４，３５……テンシヨンローラ。 1 and 2 show one embodiment of the present invention, in which FIG. 1 is a plan view showing a belt transmission mechanism, FIG. 2 is a side view showing a part of a riding lawn mower in cross section, and FIG. FIG. 3 is a plan view showing a belt transmission mechanism in a conventional example. 16... Passenger work vehicle, 17, 18... Chassis, 19... Vertical shaft prime mover, 20... Mission case, 21... Output shaft, 22... Input shaft, 23...
Output pulley, 24... Input pulley, 25... Belt, 31... Support shaft, 32... Tension arm,
34, 35...Tension roller.

Claims

[Scope of utility model registration request]

a pair of left and right chassis extending in the front-rear direction; a vertical shaft prime mover having an output shaft extending downward;
A riding work vehicle having a power transmission belt wound between an output pulley fixed to the output shaft and an input pulley fixed to the input shaft of the transmission case, wherein the output pulley and the input pulley and a tension arm is provided between the chassis in substantially the same plane as the chassis, a tension arm is provided rotatably in a horizontal plane around a support shaft, and one end of the tension arm is in contact with the inner circumferential surface of the belt. 1. A belt transmission device for a riding vehicle, characterized in that a tension roller is attached to the other end of the tension arm, and a tension roller that comes into contact with the outer peripheral surface of the belt is attached.