JPH035763U - - Google Patents
Info
- Publication number
- JPH035763U JPH035763U JP6676789U JP6676789U JPH035763U JP H035763 U JPH035763 U JP H035763U JP 6676789 U JP6676789 U JP 6676789U JP 6676789 U JP6676789 U JP 6676789U JP H035763 U JPH035763 U JP H035763U
- Authority
- JP
- Japan
- Prior art keywords
- fitted
- construction machine
- bearing device
- circumferential direction
- inner ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案の建設機械における旋回軸受装
置の第１実施例を示す断面説明図、第２図は第１
図の一部を拡大した断面説明図、第３図は本考案
の建設機械における旋回軸受装置の第２実施例を
示す断面説明図、第４図は一般的な油圧シヨベル
を示す側面図、第５図は従来の建設機械における
旋回軸受装置を示す断面説明図、第６図は第５図
の一部を拡大した断面説明図である。
１１０，１１１……外輪、１２……内輪、１７
……シール、１７ａ……リツプ部、１１２，１１
３……下面部。
FIG. 1 is a cross-sectional explanatory diagram showing a first embodiment of the swing bearing device for a construction machine of the present invention, and FIG.
3 is a cross-sectional explanatory view showing a second embodiment of the swing bearing device for a construction machine of the present invention; FIG. 4 is a side view showing a general hydraulic excavator; FIG. 5 is an explanatory cross-sectional view showing a swing bearing device in a conventional construction machine, and FIG. 6 is an explanatory cross-sectional view in which a part of FIG. 5 is enlarged. 110, 111... Outer ring, 12... Inner ring, 17
... Seal, 17a ... Lip part, 112, 11
3...Lower surface part.
Claims (1)
、その溝に環状のシールを嵌め込ませた建設機械
における旋回軸受装置において、外輪の下面部に
前記内輪側に嵌め込まれたシールのを当接させ、
この当接された部分より外周方向の下面部を、外
周方向に向かつて下がる面としたことを特徴とす
る建設機械における旋回軸受装置。 In a slewing bearing device for a construction machine in which an annular groove is formed on the outer peripheral surface of the inner ring of the slewing bearing and an annular seal is fitted into the groove, the seal fitted on the inner ring is fitted to the lower surface of the outer ring. let me touch you,
A swing bearing device for a construction machine, characterized in that a lower surface portion in the outer circumferential direction than the abutted portion is a surface that extends downward in the outer circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6676789U JPH035763U (en) | 1989-06-09 | 1989-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6676789U JPH035763U (en) | 1989-06-09 | 1989-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH035763U true JPH035763U (en) | 1991-01-21 |
Family
ID=31599757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6676789U Pending JPH035763U (en) | 1989-06-09 | 1989-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH035763U (en) |
-
1989
- 1989-06-09 JP JP6676789U patent/JPH035763U/ja active Pending