JPS62125167U - - Google Patents
Info
- Publication number
- JPS62125167U JPS62125167U JP991986U JP991986U JPS62125167U JP S62125167 U JPS62125167 U JP S62125167U JP 991986 U JP991986 U JP 991986U JP 991986 U JP991986 U JP 991986U JP S62125167 U JPS62125167 U JP S62125167U
- Authority
- JP
- Japan
- Prior art keywords
- swing
- switching tool
- operating rod
- switching
- valve
- 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
- Mechanical Control Devices (AREA)
- Operation Control Of Excavators (AREA)
Description
図面は本考案に係るバツクホウの操作構造の実
施例を示し、第１図は切換具による切換状態を示
す要部平面図、第２図は要部縦断面図、第３図は
操作具の連係構造を示す斜視図、第４図はバツク
ホウの全体側面図、第５図は従来例を示す要部平
面図、第６図は従来例を示す要部縦断面図である
。
４……旋回台、６……作業用アーム、１０……
旋回操作ロツド、１１……スイング操作ロツド、
１２……切欠き部、１３……切換具、１４……ス
プリング、１３Ａ……係合部分、Ｖ１……旋回バ
ルブ、Ｖ２……スイングバルブ。
The drawings show an embodiment of the operating structure of the backhoe according to the present invention, in which Fig. 1 is a plan view of the main part showing the switching state by the switching tool, Fig. 2 is a longitudinal cross-sectional view of the main part, and Fig. 3 is a linkage of the operating tool. FIG. 4 is a perspective view showing the structure, FIG. 4 is an overall side view of the backhoe, FIG. 5 is a plan view of a main part showing a conventional example, and FIG. 6 is a longitudinal cross-sectional view of main parts showing a conventional example. 4... Swivel base, 6... Working arm, 10...
Swing operation rod, 11...Swing operation rod,
12...Notch, 13...Switching tool, 14...Spring, 13A...Engaging portion, V1 ...Swivel valve, V2 ...Swing valve.
Claims (1)
駆動揺動自在に作業用アーム６を設け、前記旋回
台４を回動操作する旋回バルブＶ１に、旋回操作
ロツド１０を連動連結すると共に、前記作業用ア
ーム６を左右揺動操作するスイングバルブＶ２に
、スイング操作ロツド１１を連動連結し、前記旋
回操作ロツド１０とスイング操作ロツド１１とに
夫々形成した切欠き部１２，１２に対し、揺動操
作に基づく択一的な係合保持によつて旋回バルブ
操作状態又はスイングバルブ操作状態に人為切換
する切換具１３を設けてあるバツクホウの操作構
造であつて、前記両切欠き部１２，１２又はそれ
らに対する前記切換具１３の係合部分１３Ａ，１
３Ａの少なくとも一方を楔形に形成し、前記切換
具１３の切換操作に伴つて、前記切換具１３に対
する付勢方向が、前記旋回操作ロツド１０に近接
させる方向又は前記スイング操作ロツド１１に近
接させる方向に変化するスプリング１４を、前記
切換具１３に設けてあるバツクホウの操作構造。 A working arm 6 is provided on a swivel base 4 that can be freely driven and rotated around a vertical axis, and can be driven and swung left and right, and a swivel operation rod 10 is interlocked and connected to a swivel valve V 1 that rotates the swivel base 4. At the same time, a swing operating rod 11 is interlocked and connected to a swing valve V2 for swinging the working arm 6 left and right, and cutouts 12 and 12 formed in the swing operating rod 10 and the swing operating rod 11, respectively, are connected. On the other hand, the backhoe operation structure is provided with a switching tool 13 for manually switching between the swing valve operating state and the swing valve operating state by selectively holding the engagement based on the swinging operation, wherein both of the cutout portions are provided. 12, 12 or the engaging portions 13A, 1 of the switching tool 13 thereto
3A is formed into a wedge shape, and when the switching tool 13 is switched, the biasing direction of the switching tool 13 is a direction in which the switching tool 13 is brought closer to the swing operating rod 10 or a direction in which it is brought closer to the swing operating rod 11. The operating structure of the backhoe includes a spring 14 that changes to the switching tool 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP991986U JPH0434216Y2 (en) | 1986-01-27 | 1986-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP991986U JPH0434216Y2 (en) | 1986-01-27 | 1986-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62125167U true JPS62125167U (en) | 1987-08-08 |
| JPH0434216Y2 JPH0434216Y2 (en) | 1992-08-14 |
Family
ID=30795690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP991986U Expired JPH0434216Y2 (en) | 1986-01-27 | 1986-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434216Y2 (en) |
-
1986
- 1986-01-27 JP JP991986U patent/JPH0434216Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0434216Y2 (en) | 1992-08-14 |
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