JPH0158831U - - Google Patents
Info
- Publication number
- JPH0158831U JPH0158831U JP15495187U JP15495187U JPH0158831U JP H0158831 U JPH0158831 U JP H0158831U JP 15495187 U JP15495187 U JP 15495187U JP 15495187 U JP15495187 U JP 15495187U JP H0158831 U JPH0158831 U JP H0158831U
- Authority
- JP
- Japan
- Prior art keywords
- inner ring
- mounting hole
- ring base
- bolt
- hole component
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案の建設機械の旋回軸受装置の
の好適実施例を示す一部破断平面図、第２図は第
１図の−線断面図、第３図は第１図の−
線断面図、第４図は従来の油圧シヨベルの上部旋
回体と下部旋回体の連結状態を示す説明図、第５
図は従来の旋回軸受の縦断面図である。
１……上部旋回体、２……下部旋回体、３……
旋回軸受、４……ボルト、５……内輪部、６……
内輪基部、７……内歯部、８……ボルト取付穴、
９……外側取付穴構成部、１０……内側取付穴構
成部、１１……ノツクピン嵌合穴、１２……ノツ
クピン、１３……ボール、１６……旋回減速機。
FIG. 1 is a partially cutaway plan view showing a preferred embodiment of the slewing bearing device for construction machinery of this invention, FIG. 2 is a sectional view taken along line - - in FIG.
A line sectional view, FIG. 4 is an explanatory diagram showing the connection state of the upper rotating body and lower rotating body of a conventional hydraulic shovel,
The figure is a longitudinal sectional view of a conventional swing bearing. 1... Upper rotating body, 2... Lower rotating body, 3...
Slewing bearing, 4... Bolt, 5... Inner ring, 6...
Inner ring base, 7...Inner gear part, 8...Bolt mounting hole,
9...Outer mounting hole component, 10...Inner mounting hole component, 11...Knock pin fitting hole, 12...Knock pin, 13...Ball, 16...Swivel reducer.
Claims (1)
内側にボールを介設して下部走行体の上部に設け
た環状の内輪部を嵌込み旋回自在に軸受する建設
機械の旋回軸受装置において、 内輪部を同心円状で二分割した外側で内輪部側
軸受となる内輪基部と、 上記二分割の内側で動力伝達用の内歯を設けた
内歯部と、 内輪基部の外周面から半径方向に貫通する外側
取付穴構成部と、該外側取付穴構成部の延長線上
で内歯部の中途位置まで穿設され前記外側取付穴
構成部と連通可能な内側取付穴構成部とからなる
ボルト取付穴と、 該ボルト取付穴に先端が内輪基部の外周より突
出しないよう嵌挿して内輪基部と内歯部とを着脱
可能に締結するボルト とからなることを特徴とする建設機械の旋回軸受
装置。 (2) 内輪基部の外側取付穴構成部のボルト挿入
端側がボルトの頭部を係止する大径段部となつて
いることを特徴とする実用新案登録請求の範囲第
１項記載の建設機械の旋回軸受装置。 (3) 内輪基部と内歯部とが外側から半径方向に
嵌挿されたノツクピンにより位置決めされている
ことを特徴とする実用新案登録請求の範囲第１項
記載の建設機械の旋回軸受装置。[Scope of Claim for Utility Model Registration] (1) Balls are interposed inside the annular outer ring provided at the lower part of the upper rotating body, and the annular inner ring provided at the upper part of the lower rotating body is fitted to enable free rotation. In a slewing bearing device for a construction machine bearing a bearing, an inner ring part is concentrically divided into two parts, an inner ring base serving as an inner ring side bearing on the outside, and an inner tooth part provided with internal teeth for power transmission on the inside of the two parts. , an outer mounting hole component that penetrates in the radial direction from the outer circumferential surface of the inner ring base, and an inner surface that is bored to a midway position of the internal teeth on an extension of the outer mounting hole component and can communicate with the outer mounting hole component. A bolt mounting hole consisting of a mounting hole component, and a bolt that is inserted into the bolt mounting hole so that its tip does not protrude beyond the outer periphery of the inner ring base to removably fasten the inner ring base and the inner toothed part. Swivel bearing device for construction machinery. (2) The construction machine according to claim 1 of the utility model registration claim, characterized in that the bolt insertion end side of the outer mounting hole component of the inner ring base is a large-diameter stepped portion that locks the head of the bolt. slewing bearing device. (3) A slewing bearing device for a construction machine according to claim 1, wherein the inner ring base and the inner teeth are positioned by a dowel pin inserted in a radial direction from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15495187U JPH0610209Y2 (en) | 1987-10-09 | 1987-10-09 | Rotating bearing device for construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15495187U JPH0610209Y2 (en) | 1987-10-09 | 1987-10-09 | Rotating bearing device for construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0158831U true JPH0158831U (en) | 1989-04-13 |
| JPH0610209Y2 JPH0610209Y2 (en) | 1994-03-16 |
Family
ID=31432138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15495187U Expired - Lifetime JPH0610209Y2 (en) | 1987-10-09 | 1987-10-09 | Rotating bearing device for construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0610209Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312730A (en) * | 1995-05-19 | 1996-11-26 | Harmonic Drive Syst Ind Co Ltd | Flat type wave gear device |
| CN110616765A (en) * | 2019-09-24 | 2019-12-27 | 上海三一重机股份有限公司 | Slewing bearing mounting structure and excavator |
| CN111872001A (en) * | 2020-07-10 | 2020-11-03 | 马鞍山市广源法兰环件有限公司 | Rotary supporting mechanism of rotary bottle washing machine |
| JP2025014930A (en) * | 2023-07-19 | 2025-01-30 | 株式会社高知丸高 | Amphibious dredger |
-
1987
- 1987-10-09 JP JP15495187U patent/JPH0610209Y2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312730A (en) * | 1995-05-19 | 1996-11-26 | Harmonic Drive Syst Ind Co Ltd | Flat type wave gear device |
| CN110616765A (en) * | 2019-09-24 | 2019-12-27 | 上海三一重机股份有限公司 | Slewing bearing mounting structure and excavator |
| CN111872001A (en) * | 2020-07-10 | 2020-11-03 | 马鞍山市广源法兰环件有限公司 | Rotary supporting mechanism of rotary bottle washing machine |
| CN111872001B (en) * | 2020-07-10 | 2023-06-20 | 马鞍山市广源法兰环件有限公司 | Rotary supporting mechanism of rotary bottle washing machine |
| JP2025014930A (en) * | 2023-07-19 | 2025-01-30 | 株式会社高知丸高 | Amphibious dredger |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0610209Y2 (en) | 1994-03-16 |
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