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1. 发明公开

EP0092331A1 Ball-screw rack device 失效
标题翻译： Zahnstangen-Schnecken-GETRIEBE。
公开(公告)号：EP0092331A1
公开(公告)日：1983-10-26
申请号：EP83301818.7
申请日：1983-03-30
申请人： SHUTON, S.A.
发明人： Solupe Zulaica, Ixidor , Lopez de Guerenu Murillo, Leonardo , San Martin Gil, Juan Manuel
IPC分类号： F16H25/22
CPC分类号： F16H25/2409 , F16H25/2204 , F16H25/2228 , F16H2025/2242
摘要： A ball-screw rack device for converting rotary motion to linear motion in which a screwholder body (3) is secured to the body or machine (17) to be displaced and is displaceable along a guide element (15) to which a rack (7) is secured. A screw pinion (1, 2) is connected to the screwholder body (3) and is in the form of two longitudinally connected worms (1, 2), a helical groove (8) is formed in each worm (1, 2), having the same pitch and angle as a corresponding helical groove (9) formed in the rack (7). A set of balls (11) is provided for engagement between each worm (1, 2) and the rack (7). Each set of balls (11) is arranged to recirculate between the leading and the trailing turns (18,19) of the helical groove (8) formed in the associated worm (1, 2) by means of a helicoidal groove (120) cut in the body of the associated worm (1, 2) and by openings (20) at the leading and the trailing turns (18, 19) respectively. The transmission of the axial force between the rack and the screw pinion succeeds through the balls.
摘要翻译：一种用于将旋转运动转换为直线运动的滚珠丝杠架装置，其中螺母主体（3）固定到主体或机器（17）上以移位，并且可沿着导向元件（15）移动，齿条（7））是安全的。螺钉小齿轮（1,2）连接到螺母主体（3）上并且呈两个纵向连接的蜗杆（1,2）的形式，每个蜗杆（1,2）中形成螺旋槽（8）具有与形成在齿条（7）中的对应螺旋槽（9）相同的间距和角度。提供一组球（11）用于每个蜗杆（1,2）和齿条（7）之间的啮合。每组球（11）被布置成通过螺旋形槽（120）切割在循环蜗杆（1,2）中形成的螺旋槽（8）的前匝和后匝（18,19）之间循环在相关联的蜗杆（1,2）的主体中以及分别在前部和后部匝（18,19）处的开口（20）。齿条与螺旋小齿轮之间的轴向力传递通过球成功。

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