JPS639351U - - Google Patents
Info
- Publication number
- JPS639351U JPS639351U JP10486886U JP10486886U JPS639351U JP S639351 U JPS639351 U JP S639351U JP 10486886 U JP10486886 U JP 10486886U JP 10486886 U JP10486886 U JP 10486886U JP S639351 U JPS639351 U JP S639351U
- Authority
- JP
- Japan
- Prior art keywords
- clam shell
- rod
- shell bucket
- pressure switch
- hydraulic cylinder
- 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
- 230000002265 prevention Effects 0.000 claims 1
Description
第１図はこの考案の一実施例を示す断面側面図
、第２図はこの考案による固定ロツド式クラムシ
エルバケツトをそなえた掘削機を示す側面図であ
る。
FIG. 1 is a sectional side view showing an embodiment of this invention, and FIG. 2 is a side view showing an excavator equipped with a fixed rod type clam shell bucket according to this invention.
Claims (1)
端部にクラムシエルバケツトを取付けたロツドの
上端部との間に油圧シリンダを設け、その油圧シ
リンダにクラムシエルバケツトおよびロツドに作
用する規定以上の負荷を検出する圧力スイツチを
取付け、その圧力スイツチの閉路により切替えら
れて、作業機のアームシリンダにつらなる油圧回
路の圧油を油タンクに放出させる電磁弁を設けた
ことを特徴とする固定ロツド式クラムシエルバケ
ツトの過負荷防止装置。 A hydraulic cylinder is provided between the universal joint attached to the tip of the work equipment and the upper end of the rod with the clam shell bucket attached to the lower end, and the hydraulic cylinder has a provision that acts on the clam shell bucket and the rod. A fixing device characterized by being equipped with a pressure switch that detects the load above, and a solenoid valve that is switched when the pressure switch is closed and releases pressure oil from a hydraulic circuit connected to an arm cylinder of a working machine into an oil tank. Overload prevention device for rod type clam shell bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10486886U JPS639351U (en) | 1986-07-08 | 1986-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10486886U JPS639351U (en) | 1986-07-08 | 1986-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS639351U true JPS639351U (en) | 1988-01-21 |
Family
ID=30978761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10486886U Pending JPS639351U (en) | 1986-07-08 | 1986-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS639351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03262838A (en) * | 1990-03-12 | 1991-11-22 | Hikoma Seisakusho Kk | Safety mechanism for deep-digging excavator |
-
1986
- 1986-07-08 JP JP10486886U patent/JPS639351U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03262838A (en) * | 1990-03-12 | 1991-11-22 | Hikoma Seisakusho Kk | Safety mechanism for deep-digging excavator |
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