JPH0484457U - - Google Patents
Info
- Publication number
- JPH0484457U JPH0484457U JP1990127801U JP12780190U JPH0484457U JP H0484457 U JPH0484457 U JP H0484457U JP 1990127801 U JP1990127801 U JP 1990127801U JP 12780190 U JP12780190 U JP 12780190U JP H0484457 U JPH0484457 U JP H0484457U
- Authority
- JP
- Japan
- Prior art keywords
- operating
- hydraulic control
- relay links
- swing arm
- link mechanism
- 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
Landscapes
- Operation Control Of Excavators (AREA)
- Mechanical Control Devices (AREA)
Description
図面は本考案に係るバツクホーの油圧操作構造
の実施例を示し、第１図は背面図、第２図は斜視
図、第３図は及び第４図は要部の切欠側面図、第
５図は及び第６図は第２切換機構の平面図、第７
図は第１切換機構の背面図、第８図は旋回台ロツ
ク機構の斜視図、第９図は別実施例の第１切換機
構の背面図、第１０図はバツクホーの全体側面図
である。
１４……操作ボツクス、１５Ｌ……操作レバー
、２７，２７……中継リンク、２８，２９……操
作揺動アーム、Ｒ……リンク機構、Ｖ２，Ｖ３…
…油圧制御バルブ、Ｙ１，Ｙ２……軸芯。
The drawings show an embodiment of the hydraulic operation structure of a bucket hoe according to the present invention; FIG. 1 is a rear view, FIG. 2 is a perspective view, FIGS. 3 and 4 are cutaway side views of essential parts, and FIG. 6 is a plan view of the second switching mechanism, and FIG. 6 is a plan view of the second switching mechanism.
8 is a perspective view of the swivel lock mechanism, FIG. 9 is a rear view of the first switching mechanism of another embodiment, and FIG. 10 is a side view of the entire backhoe. 14...Operation box, 15L...Operation lever, 27, 27...Relay link, 28, 29...Operating swing arm, R...Link mechanism, V2, V3...
...Hydraulic control valve, Y1, Y2...Axis core.
Claims (1)
操作レバー１５Ｌの各方向での操作により、夫々
、一対の油圧制御バルブＶ２，Ｖ３を各別にリン
ク機構Ｒを介して操作自在に連係し、前記各操作
方向に対して操作対象となる油圧制御バルブＶ２
，Ｖ３を切換え変更可能に構成してあるバツクホ
ーの油圧操作構造であつて、前記各油圧制御バル
ブＶ２，Ｖ３を上下方向に操作するよう縦姿勢で
操作ボツクス１４内に並列配置し、前記リンク機
構Ｒにおける各制御バルブＶ２，Ｖ３に対する操
作用中継リンク２７，２７を、ボルブ側連結点の
前後軸芯Ｙ１，Ｙ２周りで切換え自在に構成し、
前記中継リンク２７，２７の夫々の他端側を、前
記操作レバー１５Ｌの所定操作方向における操作
揺動アーム２８に連動連結する状態と、他の操作
方向における操作揺動アーム２９に連動連結する
状態とに切換え連結自在に構成してあるバツクホ
ーの油圧操作構造。 By operating the operating lever 15L, which is swingable in the front-rear and left-right directions, in each direction, the pair of hydraulic control valves V2 and V3 are individually linked via the link mechanism R, and each of the above-mentioned Hydraulic control valve V2 to be operated in the operating direction
, V3 are arranged in parallel in the operation box 14 in a vertical position so as to operate the hydraulic control valves V2 and V3 in the vertical direction, and the link mechanism The operation relay links 27, 27 for each control valve V2, V3 in R are configured to be switchable around the front and rear axes Y1, Y2 of the connection point on the valve side,
A state in which the other ends of the relay links 27, 27 are operatively connected to the operating swing arm 28 in a predetermined operating direction of the operating lever 15L, and a state in which the other ends of the relay links 27, 27 are operatively connected to the operating swing arm 29 in other operating directions. The hydraulic operation structure of the backhoe is configured so that it can be freely switched and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990127801U JP2558630Y2 (en) | 1990-11-29 | 1990-11-29 | Backhoe hydraulic operation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990127801U JP2558630Y2 (en) | 1990-11-29 | 1990-11-29 | Backhoe hydraulic operation structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0484457U true JPH0484457U (en) | 1992-07-22 |
| JP2558630Y2 JP2558630Y2 (en) | 1997-12-24 |
Family
ID=31875288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990127801U Expired - Fee Related JP2558630Y2 (en) | 1990-11-29 | 1990-11-29 | Backhoe hydraulic operation structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2558630Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0421867A (en) * | 1990-05-16 | 1992-01-24 | Mita Ind Co Ltd | Image forming device |
| JP2003150260A (en) * | 2001-11-08 | 2003-05-23 | Yanmar Agricult Equip Co Ltd | Operating mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005095258A1 (en) * | 2004-03-30 | 2005-10-13 | Hitachi Construction Machinery Co., Ltd. | Working machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6150160U (en) * | 1984-08-30 | 1986-04-04 | ||
| JPH0466614U (en) * | 1990-10-11 | 1992-06-12 |
-
1990
- 1990-11-29 JP JP1990127801U patent/JP2558630Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6150160U (en) * | 1984-08-30 | 1986-04-04 | ||
| JPH0466614U (en) * | 1990-10-11 | 1992-06-12 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0421867A (en) * | 1990-05-16 | 1992-01-24 | Mita Ind Co Ltd | Image forming device |
| JP2003150260A (en) * | 2001-11-08 | 2003-05-23 | Yanmar Agricult Equip Co Ltd | Operating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2558630Y2 (en) | 1997-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |