JPH0320746U - - Google Patents
Info
- Publication number
- JPH0320746U JPH0320746U JP8012889U JP8012889U JPH0320746U JP H0320746 U JPH0320746 U JP H0320746U JP 8012889 U JP8012889 U JP 8012889U JP 8012889 U JP8012889 U JP 8012889U JP H0320746 U JPH0320746 U JP H0320746U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- connecting rod
- cylinder axis
- mass body
- fixture
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
Description
第1図は、本考案の一実施例に係るダイナミツ
クダンパーの縦断面図、第2図は第1図の側面図
、第3図は第1図のダイナミツクダンパーをキヤ
ブに取付けた状態を示す斜視図、第4図はダイナ
ミツクダンパーの制振効果の説明図、第5図は上
記実施例のダイナミツクダンパーをキヤブに取付
けた場合の振動要素の模式図、第6図は第5図の
等価図、第7図は従来の油圧シヨベルの機体の正
面図、第8図は、従来の油圧シヨベルの機体の側
面図、第9図は従来の油圧シヨベル全体の側面図
である。
4……質量体、5……主ばね、6……ダンパー
筒、7……円板、8……連結ロツド、9……脱着
筒、10……固定具、11……副ばね、12……
油ダンパー、13……サポート。
Fig. 1 is a longitudinal sectional view of a dynamic damper according to an embodiment of the present invention, Fig. 2 is a side view of Fig. 1, and Fig. 3 shows the dynamic damper of Fig. 1 installed in a cab. FIG. 4 is an explanatory diagram of the damping effect of the dynamic damper, FIG. 5 is a schematic diagram of the vibration element when the dynamic damper of the above embodiment is attached to the cab, and FIG. FIG. 7 is a front view of the body of a conventional hydraulic excavator, FIG. 8 is a side view of the body of a conventional hydraulic excavator, and FIG. 9 is a side view of the entire conventional hydraulic excavator. 4... Mass body, 5... Main spring, 6... Damper tube, 7... Disc, 8... Connection rod, 9... Detachable tube, 10... Fixture, 11... Sub-spring, 12... …
Oil damper, 13...Support.
Claims (1)
内の筒軸方向に振動可能に収められた質量体と、
同質量体の一端より上記筒軸方向に突設された連
結ロツドと、同連結ロツドの他端と所定の距離を
上記筒軸方向に隔てゝ筒体ないしは筒体と連接す
る支持体に着脱可能に設けられた固定具と、同固
定具と上記連結ロツドの他端とを並列に連結する
副バネ及び油ダンパーとを具備してなることを特
徴とするキヤブ用ダイナミツクダンパー。 a mass body whose both ends are pressed by coiled main springs and housed in a cylinder so that it can vibrate in the direction of the cylinder axis;
A connecting rod protrudes from one end of the same mass body in the direction of the cylinder axis, and is detachable from the cylinder or a support connected to the cylinder at a predetermined distance from the other end of the connecting rod in the cylinder axis direction. 1. A dynamic damper for a cab, characterized in that it comprises a fixture provided on the shaft, and an auxiliary spring and an oil damper that connect the fixture and the other end of the connecting rod in parallel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8012889U JPH0320746U (en) | 1989-07-10 | 1989-07-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8012889U JPH0320746U (en) | 1989-07-10 | 1989-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0320746U true JPH0320746U (en) | 1991-02-28 |
Family
ID=31624907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8012889U Pending JPH0320746U (en) | 1989-07-10 | 1989-07-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0320746U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003110260A (en) * | 2001-09-28 | 2003-04-11 | Dx Antenna Co Ltd | Subrack and subrack head end system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5517778A (en) * | 1978-07-26 | 1980-02-07 | Toshiba Corp | Vibration-proof system for track |
JPS5725543A (en) * | 1980-07-18 | 1982-02-10 | Sanwa Tekki Corp | Variable vibration damper |
-
1989
- 1989-07-10 JP JP8012889U patent/JPH0320746U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5517778A (en) * | 1978-07-26 | 1980-02-07 | Toshiba Corp | Vibration-proof system for track |
JPS5725543A (en) * | 1980-07-18 | 1982-02-10 | Sanwa Tekki Corp | Variable vibration damper |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003110260A (en) * | 2001-09-28 | 2003-04-11 | Dx Antenna Co Ltd | Subrack and subrack head end system |
JP4588275B2 (en) * | 2001-09-28 | 2010-11-24 | Dxアンテナ株式会社 | Subrack headend system |
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