JPS5811157U - Planetary roller type power transmission device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の遊星ローラ式減速機の縦断面図、第２図
ａ、　　ｂは第１図における内ローラの縦断面図であり
、同図ａは押付力付与前を、同図すは押付力付与時をそ
れぞれ表わしている。第３図は第１図及び第２図ａ、　
　ｂに示した内ローラにおける押付力と半径方向変形量
との関係を示す線図である。第４図ａ、　　ｂは本考案
に係る遊星ローラ式動力伝達装置の１実施例における内
ローラの部分断面図であり、同図ａは押付力付与前を、
同図すは押付力付与時をそれぞれ示す。第５図は本考案
の１実施例の内ローラと従来のものにおけろ圧接力とシ
ム厚さとの関係を示す線図、第６図及び第７図は本考案
の他の実施例を示す縦断面図で、第６図は太陽ローラを
、第７図は遊星ローラを弾性ローラとした場合をそれぞ
れ示す。 １・・・・・・入力軸、３・・・・・・出力軸、２，２
′・・・・・・太陽ローラ、７，７′・・・・・・遊星
ローラ、”９．９’９０・・・・・・内ローラ、９ａ、
　　２ａ、　　７ａ・・・・・・薄肉円筒部、９ｂ、　
　２ｂ、　　７ｂ−・−厚肉円筒部、９Ｃ’、２Ｃ１７
０′・・・・・・薄肉円板部。Fig. 1 is a vertical cross-sectional view of a conventional planetary roller type reducer, Fig. 2 a and b are longitudinal cross-sectional views of the inner roller in Fig. 1, and Fig. 2 a shows the inner roller before applying the pressing force. Each shows the time when pressing force is applied. Figure 3 is Figure 1 and Figure 2a,
FIG. 6 is a diagram showing the relationship between the pressing force and the amount of radial deformation in the inner roller shown in FIG. Figures 4a and 4b are partial sectional views of the inner roller in one embodiment of the planetary roller type power transmission device according to the present invention, and Figure 4a shows the inner roller before applying the pressing force.
Each figure shows the state when pressing force is applied. Fig. 5 is a diagram showing the relationship between the pressure contact force and the shim thickness between the inner roller of one embodiment of the present invention and the conventional roller, and Figs. 6 and 7 show other embodiments of the present invention. In the longitudinal sectional views, FIG. 6 shows a sun roller, and FIG. 7 shows a planetary roller as an elastic roller. 1...Input shaft, 3...Output shaft, 2,2
'... Sun roller, 7,7'... Planetary roller, "9.9'90... Inner roller, 9a,
2a, 7a... Thin cylindrical part, 9b,
2b, 7b--Thick cylinder part, 9C', 2C17
0'...Thin disc part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一方の回転軸に連結された太陽ローラの外周面及び静止
部材に固定された内ローラの内周面にそれぞれ当接され
る複数個の遊星ローラを他方の回転軸に連結されるキャ
リヤに軸支して前記二本の回転軸間に動力を伝達するも
のにおいて、上記太陽ローラ、遊星ローラ及び内ローラ
のうち少なくとも一つを、上記回転軸の軸方向に区切っ
て形成された複数個の厚肉円筒部と、該厚肉円筒部より
も薄肉に形成され内外周面の何れか一方が相手ローラと
の当接面とされた薄肉円筒部と、該薄肉円筒部と上記厚
肉円筒部とを接続すると共に上記回転軸の軸線方向に貫
通する複数個の透孔が形成された薄肉円板部とから成り
、上記厚肉円筒部の両側端を軸方向に押圧したとき薄肉
円筒部の当接面が半径方向に変位する弾性ローラとなし
たことを特徴とする遊星ローラ式動力伝達装置。A plurality of planetary rollers that abut the outer peripheral surface of a sun roller connected to one rotating shaft and the inner peripheral surface of an inner roller fixed to a stationary member, respectively, are supported by a carrier connected to the other rotating shaft. and transmits power between the two rotating shafts, wherein at least one of the sun roller, planetary roller, and inner roller is divided into a plurality of thick walls formed by dividing in the axial direction of the rotating shaft. A cylindrical part, a thin cylindrical part formed thinner than the thick cylindrical part and having either an inner or outer circumferential surface serving as an abutting surface with a mating roller, and the thin cylindrical part and the thick cylindrical part. and a thin circular plate portion formed with a plurality of through holes that connect and penetrate in the axial direction of the rotating shaft, and when both ends of the thick cylindrical portion are pressed in the axial direction, the thin cylindrical portion comes into contact. A planetary roller type power transmission device characterized by having an elastic roller whose surface is displaced in the radial direction.