JPH01119956U - - Google Patents
Info
- Publication number
- JPH01119956U JPH01119956U JP1659588U JP1659588U JPH01119956U JP H01119956 U JPH01119956 U JP H01119956U JP 1659588 U JP1659588 U JP 1659588U JP 1659588 U JP1659588 U JP 1659588U JP H01119956 U JPH01119956 U JP H01119956U
- Authority
- JP
- Japan
- Prior art keywords
- pinion
- swing
- internal gear
- outer ring
- tooth
- 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
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Jib Cranes (AREA)
- Gear Transmission (AREA)
- Gears, Cams (AREA)
Description
第１図はこの考案にかかる旋回減速装置の要部
断面図、第２図はピニオン体の斜視図、第３図は
油圧シヨベルの側面図、第４図は従来技術旋回減
速装置を示す要部断面図である。
３，３′……旋回減速装置、４……旋回軸受、
５……内輪、６……内歯歯車、１１，１１′……
旋回ピニオン、１３……ピニオン体、１４……歯
部外輪、１５……センタ基部材、１６……弾性リ
ング部材、１８……歯。
Fig. 1 is a sectional view of the main parts of the swing reduction device according to this invention, Fig. 2 is a perspective view of the pinion body, Fig. 3 is a side view of the hydraulic excavator, and Fig. 4 is the main part showing the conventional swing reduction reduction device. FIG. 3, 3'...Swivel reduction gear, 4...Swivel bearing,
5...Inner ring, 6...Internal gear, 11, 11'...
Swivel pinion, 13... Pinion body, 14... Tooth outer ring, 15... Center base member, 16... Elastic ring member, 18... Teeth.
Claims (1)
、また、上部旋回体に外輪を固定し、上記外輪と
内輪との間の同一円周上に複数個の転動体を嵌込
ませ、一方、上部旋回体に設置した旋回モータ用
減速機の旋回ピニオンと下部走行体側内歯歯車と
をかみ合わせ、上記旋回ピニオンの回転力により
上部旋回体を旋回させる構造の旋回減速装置にお
いて、上記旋回ピニオンの下面側に同一モジユー
ル、同一歯数のピニオン体を設け、そのピニオン
体のセンタ基部材を旋回ピニオンに固定して取付
け、また上記ピニオン体の歯部外輪とセンタ基部
材との間に弾性リング部材を介設して形成すると
ともに、上記ピニオン体の各歯歯厚を上記旋回ピ
ニオンの各歯歯厚より若干太厚とし、上記内歯歯
車と旋回ピニオンのかみ合い時に、上記ピニオン
体と内歯歯車とのバツクラツシユが除去された状
態に設定して構成したことを特徴とする旋回減速
装置。 An inner ring equipped with an internal gear is fixed to the lower running body, an outer ring is fixed to the upper rotating body, and a plurality of rolling elements are fitted on the same circumference between the outer ring and the inner ring, and one , a swing speed reduction device having a structure in which a swing pinion of a speed reducer for a swing motor installed in an upper swing structure is engaged with an internal gear on a lower traveling structure side, and the swing pinion rotates the upper swing structure by the rotational force of the swing pinion, A pinion body with the same module and the same number of teeth is provided on the lower surface side, and the center base member of the pinion body is fixedly attached to the swing pinion, and an elastic ring member is provided between the toothed outer ring of the pinion body and the center base member. At the same time, the thickness of each tooth of the pinion body is made slightly thicker than the thickness of each tooth of the swivel pinion, so that when the internal gear and the slewing pinion mesh, the pinion body and the internal gear 1. A swing deceleration device characterized in that it is configured in a state in which backlash is eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1659588U JPH01119956U (en) | 1988-02-09 | 1988-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1659588U JPH01119956U (en) | 1988-02-09 | 1988-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01119956U true JPH01119956U (en) | 1989-08-14 |
Family
ID=31229666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1659588U Pending JPH01119956U (en) | 1988-02-09 | 1988-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01119956U (en) |
-
1988
- 1988-02-09 JP JP1659588U patent/JPH01119956U/ja active Pending