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31. 发明公开

EP0362848A2 Device for supporting arm driving shafts of industrial robot 失效
标题翻译： Lageranordnungfürdie angetriebenen Wellen von Industrieroboterarmen。
公开(公告)号：EP0362848A2
公开(公告)日：1990-04-11
申请号：EP89118505.0
申请日：1989-10-05
申请人： KABUSHIKI KAISHA YASKAWA DENKI
发明人： Tounai, Syuichi , Iwanaga, Toshiaki
IPC分类号： B25J9/10 , B25J17/02 , F16C25/06 , F16C25/00 , B25J17/00
CPC分类号： F16C19/364 , B25J9/108 , B25J17/0241 , F16C19/54 , F16C25/06 , Y10T74/20207
摘要： In a device for supporting arm driving shafts (7, 14), articulating portions of adjacently provided first (3) and second arms (11) constituting a parallel link type robot are rotatably supported, via separately provided bearings (20, 21), from supporting posts projecting from the robot structure (1, 2), and the first arm and second arm are also coupled through another bearing (22). All of these bearings are of a type in which an axial force applied to either one of inner and outer races of the bearing beforehand presses rolling members of the bearing toward the other of the races, while a pressing plate (23) is provided for applying the axial force to one of the bearings. The application of the axial force shifts the supporting frame of the first arm relative to the driving shaft of the second arm, so that all of the bearings are prepressurized for eliminating unnecessary play.
摘要翻译：在用于支撑臂驱动轴（7,14）的装置中，构成平行连杆型机器人的相邻设置的第一（3）和第二臂（11）的铰接部分通过单独提供的轴承（20,21）从从机器人结构（1,2）突出的支撑柱，并且第一臂和第二臂也通过另一个轴承（22）联接。所有这些轴承都是一种类型，其中施加到轴承的内圈和外圈之一的轴向力预先将轴承的滚动部件朝向另一个滚动轴承，同时提供压板（23）用于施加对其中一个轴承的轴向力。施加轴向力使第一臂的支撑框架相对于第二臂的驱动轴移动，使得所有的轴承都被预加压以消除不必要的游隙。

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