JPH0437655U - - Google Patents
Info
- Publication number
- JPH0437655U JPH0437655U JP7853990U JP7853990U JPH0437655U JP H0437655 U JPH0437655 U JP H0437655U JP 7853990 U JP7853990 U JP 7853990U JP 7853990 U JP7853990 U JP 7853990U JP H0437655 U JPH0437655 U JP H0437655U
- Authority
- JP
- Japan
- Prior art keywords
- swing
- pinions
- pinion
- upper rotating
- rotating body
- 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
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Gears, Cams (AREA)
Description
第１図は本考案にかかる旋回サークル装置のバ
ツクラツシ除去機構の断面図、第２図は第１図の
バツクラツシ除去の原理を示す説明図、第３図ａ
は第２図のＡ−Ａ断面図、第３図ｂは第２図のＢ
−Ｂ断面図、第４図は従来の油圧式掘削機の外観
側面図、第５図は従来の旋回サークル装置の断面
図である。
１……下部走行体、２……上部旋回体、３，４
……ピニオン、５……ばね、６……サークルギヤ
。
Fig. 1 is a sectional view of the backlash removal mechanism of the turning circle device according to the present invention, Fig. 2 is an explanatory diagram showing the principle of backlash removal in Fig. 1, and Fig. 3a.
is a sectional view taken along line A-A in Fig. 2, and Fig. 3b is a cross-sectional view taken along line B in Fig. 2.
-B sectional view, FIG. 4 is an external side view of a conventional hydraulic excavator, and FIG. 5 is a sectional view of a conventional turning circle device. 1... Lower traveling body, 2... Upper revolving body, 3, 4
...Pinion, 5...Spring, 6...Circle gear.
Claims (1)
に旋回自在に支持され、かつ作業機を装着した上
部旋回体とを有して、前記上部旋回体に固着した
駆動源により駆動されるスイングピニオンと、下
部走行体に固着したスイングサークルギヤとの噛
み合いにより前記上部旋回体を旋回させるように
した油圧式掘削機において、前記スイングピニオ
ンをそれぞれ捩れ角方向の相反するハスバ歯形と
した別体の両ピニオンに形成して、同軸上に配置
した両ピニオン間に軸方向に付勢するばねを介在
させると共に、前記スイングサークルギヤを前記
両ピニオンと噛み合う山歯歯形としたことを特徴
とする旋回サークル装置のバツクラツシ除去機構
。 A swing pinion comprising a lower traveling body equipped with a traveling device and an upper rotating body rotatably supported by the lower traveling body and equipped with a work implement, and driven by a drive source fixed to the upper rotating body. and a hydraulic excavator in which the upper revolving body is rotated by meshing with a swing circle gear fixed to the lower running body, wherein the swing pinions are both separate bodies each having a helical tooth profile with opposite torsion angle directions. A turning circle device characterized in that a spring formed on a pinion and biasing in the axial direction is interposed between both pinions disposed on the same axis, and the swing circle gear has a tooth shape that meshes with both the pinions. Batch removal mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7853990U JPH0437655U (en) | 1990-07-24 | 1990-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7853990U JPH0437655U (en) | 1990-07-24 | 1990-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0437655U true JPH0437655U (en) | 1992-03-30 |
Family
ID=31621904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7853990U Pending JPH0437655U (en) | 1990-07-24 | 1990-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437655U (en) |
-
1990
- 1990-07-24 JP JP7853990U patent/JPH0437655U/ja active Pending