JPH01119957U - - Google Patents
Info
- Publication number
- JPH01119957U JPH01119957U JP1988016596U JP1659688U JPH01119957U JP H01119957 U JPH01119957 U JP H01119957U JP 1988016596 U JP1988016596 U JP 1988016596U JP 1659688 U JP1659688 U JP 1659688U JP H01119957 U JPH01119957 U JP H01119957U
- Authority
- JP
- Japan
- Prior art keywords
- swing
- flange member
- housing body
- circumferential portion
- reducer
- 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
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
- Component Parts Of Construction Machinery (AREA)
- Jib Cranes (AREA)
Description
第１図はこの考案にかかる請求項第１項の旋回
減速機の断面図、第２図および第３図は旋回減速
機の部品を取外す状態を示す図、第４図および第
５図はこの考案にかかる請求項第２項の旋回減速
機の断面図、第６図は油圧シヨベルの側面図、第
７図は旋回装置を示す要部断面図、第８図は従来
技術旋回減速機の断面図である。
１……上部旋回体、６……旋回モータ、７，２
０，２７……旋回減速機、８，２４……ピニオン
軸、１１，２１，２８……ハウジング体、１２…
…リングギヤ体、１３……減速ギヤ機構、１４…
…上部軸受、１５……下部軸受、１８，２９，３
１……シール部材、２２，２８……フランジ部材
。
Fig. 1 is a sectional view of the swing reducer according to claim 1 of this invention, Figs. 2 and 3 are views showing the state in which parts of the swing reducer are removed, and Figs. 4 and 5 are views of the swing reducer according to claim 1. 6 is a side view of a hydraulic excavator, FIG. 7 is a sectional view of a main part showing a swing device, and FIG. 8 is a cross section of a conventional swing reducer. It is a diagram. 1... Upper revolving body, 6... Swing motor, 7, 2
0, 27... Rotating reducer, 8, 24... Pinion shaft, 11, 21, 28... Housing body, 12...
...Ring gear body, 13...Reduction gear mechanism, 14...
...Upper bearing, 15...Lower bearing, 18, 29, 3
1... Seal member, 22, 28... Flange member.
Claims (1)
を介設し、かつ旋回装置により上部旋回体を下部
走行体に対して旋回可能とし、上記旋回装置の旋
回減速機用ハウジング体内周部に上部および下部
係止部を設け、その係止部にそれぞれ上部および
下部軸受を嵌着してピニオン軸を支承せしめてい
る旋回減速機において、上記ハウジング体内周部
の上部軸受用係止部位置付近に、ハウジング体の
上部方向へ向けて抜き出し可能にフランジ部材を
設け、そのフランジ部材の外周部はハウジング体
内周部に、またそのフランジ部材の内周部は上部
軸受の外輪外周部に対して嵌脱自在に設定すると
ともに、上記フランジ部材をハウジング体側に固
定可能に構成したことを特徴とする旋回減速機の
構造。 (2) 旋回装置の旋回減速機用ハウジング体内周
部の上部軸受用係止部位置付近に、ハウジング体
の上部方向へ向けて抜き出し可能にフランジ部材
を設け、そのフランジ部材の外周部はハウジング
体内周部に、またそのフランジ部材の内周部は上
部軸受の外輪外周部に対して嵌脱可能に設定する
とともに、上記フランジ部材の上部側にピニオン
軸外周部に対するシール部材を嵌着可能に設けて
構成したことを特徴とする旋回減速機の構造。[Claims for Utility Model Registration] (1) A swing bearing is interposed between the upper rotating body and the lower traveling body, and the upper rotating body can be rotated relative to the lower traveling body by a swinging device, and the swinging device A swing reducer in which upper and lower locking parts are provided on the inner periphery of the housing for a swing reducer, and upper and lower bearings are respectively fitted into the locking parts to support a pinion shaft. A flange member is provided in the vicinity of the locking part position for the upper bearing of the housing body so that it can be pulled out toward the top of the housing body. A structure of a swing reduction gear, characterized in that the flange member is configured to be able to be fitted and removed from the outer circumferential portion of the outer ring of the upper bearing, and the flange member is configured to be fixable to the housing body side. (2) A flange member that can be pulled out toward the top of the housing body is provided near the locking part for the upper bearing on the inner periphery of the housing body for the swing reducer of the swing device, and the outer periphery of the flange member is attached to the inside of the housing body. The inner circumferential portion of the flange member is set to be able to be fitted to and removed from the outer circumferential portion of the outer ring of the upper bearing, and a seal member is provided to be fitable to the outer circumferential portion of the pinion shaft on the upper side of the flange member. A structure of a swing speed reducer characterized by being configured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988016596U JPH0534366Y2 (en) | 1988-02-09 | 1988-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988016596U JPH0534366Y2 (en) | 1988-02-09 | 1988-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01119957U true JPH01119957U (en) | 1989-08-14 |
| JPH0534366Y2 JPH0534366Y2 (en) | 1993-08-31 |
Family
ID=31229668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988016596U Expired - Lifetime JPH0534366Y2 (en) | 1988-02-09 | 1988-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0534366Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0489150U (en) * | 1990-11-30 | 1992-08-04 |
-
1988
- 1988-02-09 JP JP1988016596U patent/JPH0534366Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0489150U (en) * | 1990-11-30 | 1992-08-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0534366Y2 (en) | 1993-08-31 |