公开(公告)号：WO1997016659A1

公开(公告)日：1997-05-09

申请号：PCT/US1996017452

申请日：1996-11-01

Applicant: BROWN & SHARPE MANUFACTURING COMPANY

Inventor： BROWN & SHARPE MANUFACTURING COMPANY ,  DENIJIS, Jan, F., C. ,  LINDER, Matthias

IPC: F16H09/00

CPC classification number: F16H19/06 ,  Y10T74/18832 ,  Y10T74/1884 ,  Y10T74/18848

Abstract: A transmission (26) for reducing the pulley ratio between a drive shaft (42) and a transmission shaft (66) is disclosed. The transmission (26) is adapted to convert a higher speed rotary motion to a lower speed linear motion. The transmission (26) has two pulleys (30, 32) rigidly mounted together on a shaft (66) and the pulleys (30, 32) have a different number of teeth. A pair of belts (36, 38) are mounted on the drive shaft (42) and a transmission shaft (66) engages a pulley (32) on the top (86) of a first transmission pulley (32) and another on the bottom (84) of a second transmission pulley (30). When the drive shaft (42) imparts motion to the belts (36, 38), the belts (36, 38) move the transmission between the drive shaft (42) and the follower shaft (44). By arresting the movement of one of the belts (36, 38) by a clutch/brake (140), the transmission (26) can be converted into a two speed transmission. If the belts (36, 38) are independently driven, one each by two motors (150, 154), the transmission (26) becomes operable in an infinite number of pulley ratios. One particular application for this pulley transmission (26) is in a carriage drive system for a Coordinate Measuring Machine.

Abstract translation: 公开了一种用于减小驱动轴（42）和传动轴（66）之间的滑轮比的变速器（26）。 变速器（26）适于将较高速度的旋转运动转换成较低速度的直线运动。 变速器（26）具有刚性地安装在轴（66）上的两个滑轮（30,32），并且滑轮（30,32）具有不同数量的齿。 一对皮带（36,38）安装在驱动轴（42）上，传动轴（66）与第一传动滑轮（32）的顶部（86）上的滑轮（32）接合，另一个在底部 （30）的第二传动滑轮（84）。 当驱动轴（42）向皮带（36,38）施加运动时，皮带（36,38）在传动轴（42）和从动轴（44）之间移动传动装置。 通过用离合器/制动器（140）阻止其中一个皮带（36,38）的移动，变速器（26）可以转换成双速变速器。 如果皮带（36,38）被独立地驱动，则每个由两个电动机（150,154）驱动，变速器（26）可以以无限数量的滑轮比操作。 这种滑轮传动装置（26）的一个特殊应用是用于坐标测量机的滑架驱动系统。