The invention discloses a movable pulley constant-force-arm labor-saving bicycle. A chain wheel of a flywheel I is fixed with a bevel gear I on the side surface, a chain wheel of a flywheel II is fixed with a bevel gear II on the side surface, and a correction bevel gear is arranged between the two bevel gears; when the chain runs in the forward direction, the flywheel I directly drives the rear wheel to enable the bicycle to move forwards, and when the chain runs in the reverse direction, the chain wheel of the flywheel I drives the bevel gear I to rotate reversely. After being corrected to rotate forwards through the correction bevel gear, inputting to the flywheel II is carried out, and the flywheel II drives the bicycle to move forwards; a left main pulley and a right main pulley do reciprocating motion between two points while rotating, so that a left slide wire and a right slide wire are stretched to be longer, the defect of stroke is overcome, the speed of a traditional bicycleis achieved, on the basis, the ratio of a power arm to a resistance arm is kept to be 2: 1 all the time, and the labor-saving effect is achieved. The movable pulley constant-force-arm labor-saving bicycle has the advantages of being simple in principle and structure, convenient to use and labor-saving in riding.
一种动滑轮恒力臂省力自行车,飞轮一的链轮在侧面与锥齿轮一固定,飞轮二的链轮在侧面与锥齿轮二固定,在两锥齿轮中间是校正锥齿轮;当链条正方向运行时直接由飞轮一带动后车轮使自行车前行,当链条反方向运行时,飞轮一的链轮带动锥齿轮一反转;通过校正锥齿轮校正成正转后,输入飞轮二,由飞轮二驱动自行车前行;左主滑轮和右主滑轮在旋转的同时在两点之间做往复运动,目的是让左滑线和右滑线抻的更长,弥补行程的不足,达到传统自行车的速度,在此基础上,始终保持动力臂和阻力臂之比为2:1,达到省力的效果。本发明的优点:本发明所述的动滑轮恒力臂省力自行车,原理结构简单,使用方便,骑行省力。
Movable pulley constant-force-arm labor-saving bicycle
一种动滑轮恒力臂省力自行车
2020-09-11
Patent
Electronic Resource
Chinese
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
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