JPH0217009U - - Google Patents
Info
- Publication number
- JPH0217009U JPH0217009U JP9510188U JP9510188U JPH0217009U JP H0217009 U JPH0217009 U JP H0217009U JP 9510188 U JP9510188 U JP 9510188U JP 9510188 U JP9510188 U JP 9510188U JP H0217009 U JPH0217009 U JP H0217009U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- concave
- convex portions
- hydraulic cylinder
- oil
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims 3
- 239000010727 cylinder oil Substances 0.000 claims 2
- 239000000872 buffer Substances 0.000 claims 1
- 230000008602 contraction Effects 0.000 claims 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Details Of Valves (AREA)
Description
図面は、本考案に係る作業用走行車のダツシン
グ防止装置の一実施例を示したものであつて、第
１図は農用トラクタの全体側面図、第２図は要部
側面図、第３図は油圧シリンダの縦断面図、第４
図は第二実施例を示す油圧シリンダの縦断面図で
ある。
図中、１は走行機体、４は油圧シリンダ、５は
リフトアーム、１０ａはシリンダヘツド部、１０
ｂは嵌合凹部、１０ｆは排出口、１３はボール、
１４は弾機、１５は調節スクリユー、Ｐはシリン
ダポートである。
The drawings show an embodiment of the douching prevention device for a work vehicle according to the present invention, in which Fig. 1 is an overall side view of an agricultural tractor, Fig. 2 is a side view of the main part, and Fig. 3 is a side view of the main part. is a vertical cross-sectional view of the hydraulic cylinder, No. 4
The figure is a longitudinal sectional view of a hydraulic cylinder showing a second embodiment. In the figure, 1 is a traveling machine body, 4 is a hydraulic cylinder, 5 is a lift arm, 10a is a cylinder head part, 10
b is a fitting recess, 10f is a discharge port, 13 is a ball,
14 is a bullet, 15 is an adjustment screw, and P is a cylinder port.
Claims (1)
のシリンダヘツド部とこれに対向するピストンヘ
ツド部とに、シリンダ油が通る主油路を避けた位
置に位置させて、油圧シリンダが最縮小状態にな
る少し前の段階から互いに雌雄嵌合する凹凸部を
それぞれ形成すると共に、前記シリンダヘツド部
側の凹部には、凹凸部が雌雄嵌合し始めた段階で
該凹凸部内に封じ込められたシリンダ油を絞りな
がら排出して油圧シリンダの縮小作動の緩衝をす
る絞り弁機構を備えた副油路を設けたことを特徴
とする作業用走行車のダツシング防止装置。 The cylinder head of the hydraulic cylinder for raising and lowering the working part and the opposing piston head are located at a position away from the main oil passage through which the cylinder oil passes, so that the hydraulic cylinder is at its most contracted position. From the previous step, concave and convex portions that fit male and female into each other are formed, and at the stage where the concave and convex portions begin to engage male and female, cylinder oil sealed in the concave and convex portions is squeezed out in the concave portion on the cylinder head side. A douching prevention device for a work vehicle, characterized in that an auxiliary oil passage is provided with a throttle valve mechanism that drains the oil and buffers the contraction operation of a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095101U JPH084817Y2 (en) | 1988-07-20 | 1988-07-20 | Dashing prevention device for work vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095101U JPH084817Y2 (en) | 1988-07-20 | 1988-07-20 | Dashing prevention device for work vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0217009U true JPH0217009U (en) | 1990-02-02 |
| JPH084817Y2 JPH084817Y2 (en) | 1996-02-14 |
Family
ID=31319721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988095101U Expired - Lifetime JPH084817Y2 (en) | 1988-07-20 | 1988-07-20 | Dashing prevention device for work vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084817Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912409U (en) * | 1982-07-13 | 1984-01-25 | 横浜機工株式会社 | Rotating lighting fixture mounting mechanism |
-
1988
- 1988-07-20 JP JP1988095101U patent/JPH084817Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912409U (en) * | 1982-07-13 | 1984-01-25 | 横浜機工株式会社 | Rotating lighting fixture mounting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH084817Y2 (en) | 1996-02-14 |