JPH041723U

JPH041723U -

Info

Publication number: JPH041723U
Application number: JP4200390U
Authority: JP
Priority date: 1990-04-19
Filing date: 1990-04-19
Publication date: 1992-01-08
Anticipated expiration: 2005-04-19
Also published as: JPH0741943Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の分割型旋回座軸受の軌道輪
の第１実施例を軸方向から見た図、第２図は第１
図の軌道部材の端部の斜視図、第３図は上記軌道
輪の分割部に設けた凹部を模式的に示した図、第
４図は第１図の軌道部材の径方向の断面図、第５
図は第１図のスペーサを周方向から見た図、第６
図は第４図の方向矢視図、第７，８図は組み立
ての概略の説明図、第９図はこの考案の旋回座軸
受の軌道輪の第２実施例の要部を軸方向から見た
図、第１０図は第９図のスペーサを周方向から見
た図、第１１図は従来の旋回座軸受の軌道輪を適
用した旋回座軸受の軸方向の断面図、第１２，１
３図は第１１図の内輪および外輪の説明図、第１
４，１５，１６，１７図は従来の旋回座軸受の軌
道輪の加工方法の説明図、第１８図は位置決めの
説明図である。１，２，４１，４２……軌道部材、１ａ，１ｂ
，２ａ，２ｂ，４１ａ，４２ａ……端面、３，４
，４３……スペーサ、５，６，４５……ピン、５
ａ，６ａ，４５ａ……突出部分、７，８，４７…
…係合溝、１１ｂ，１２ｂ，１７ｂ……軌道部材
端部に設けた凹部、２４，２５，４９……穴、２
４ａ，２５ａ，４９ａ……開口、Ｏ……スペーサ
と軌道部材端部の凹部とで構成される凹部。 Figure 1 is a view of the first embodiment of the bearing ring of the split type swivel seat bearing of this invention, viewed from the axial direction, and Figure 2 is the view of the first embodiment of the bearing ring of the split type swivel seat bearing of this invention.
FIG. 3 is a diagram schematically showing a recess provided in the divided portion of the raceway ring; FIG. 4 is a radial cross-sectional view of the raceway member shown in FIG. 1; Fifth
The figure shows the spacer in Figure 1 viewed from the circumferential direction, and the spacer in Figure 6.
The figure is a directional view of FIG. 4, FIGS. 7 and 8 are schematic explanatory diagrams of assembly, and FIG. 9 is an axial view of the main part of the second embodiment of the raceway ring of the swivel seat bearing of this invention. FIG. 10 is a circumferential view of the spacer shown in FIG. 9, FIG. 11 is an axial cross-sectional view of a swivel seat bearing to which the raceway of a conventional swivel seat bearing is applied, and FIGS.
Figure 3 is an explanatory diagram of the inner ring and outer ring in Figure 11.
4, 15, 16, and 17 are explanatory diagrams of a conventional method of machining a bearing ring of a swivel seat bearing, and FIG. 18 is an explanatory diagram of positioning. 1, 2, 41, 42... Track member, 1a, 1b
, 2a, 2b, 41a, 42a...end surface, 3, 4
, 43... Spacer, 5, 6, 45... Pin, 5
a, 6a, 45a...Protruding portion, 7, 8, 47...
...Engagement groove, 11b, 12b, 17b... Recess provided at the end of the raceway member, 24, 25, 49... Hole, 2
4a, 25a, 49a...opening, O...recessed portion consisting of a spacer and a recessed portion at the end of the track member.

Claims

[Scope of utility model registration request]

A plurality of arc-shaped raceway members each having a hardened raceway surface, and a plurality of spacers inserted between opposing end surfaces of each of the raceway members,
A split type swivel seat characterized in that the ends of each of the spacers and the raceway member connected to the spacer are not hardened, and a recess is formed on the raceway surface side of the end of the raceway member. Bearing ring.