JPH026767U - - Google Patents
Info
- Publication number
- JPH026767U JPH026767U JP8627888U JP8627888U JPH026767U JP H026767 U JPH026767 U JP H026767U JP 8627888 U JP8627888 U JP 8627888U JP 8627888 U JP8627888 U JP 8627888U JP H026767 U JPH026767 U JP H026767U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- driving unit
- excavation
- spool
- interlocked
- 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
- 238000009412 basement excavation Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案のバツクホーの全体側面図、第
２図は同バツクホーの平面図、第３図は要部の拡
大側面図、第４図及び第５図は要部の拡大側面図
、第６図及び第７図は、他の実施例を示す説明図
、第８図は第６図の断面図、第９図は第８図の拡
大断面図、第１０図、第１１図、及び第１２図は
他の実施例を示す説明図である。
２：旋回台、５：運転部、Ｂ：掘削装置、１８
：操作レバー、３７：油圧制御弁、３７ａ：スプ
ール、３９：リンク機構、４１：スイツチ作動体
、４２：スイツチ。
Figure 1 is an overall side view of the baghoe of the present invention, Figure 2 is a plan view of the baghoe, Figure 3 is an enlarged side view of the main parts, Figures 4 and 5 are enlarged side views of the main parts, and Figure 5 is an enlarged side view of the main parts. 6 and 7 are explanatory diagrams showing other embodiments, FIG. 8 is a sectional view of FIG. 6, FIG. 9 is an enlarged sectional view of FIG. 8, and FIGS. FIG. 12 is an explanatory diagram showing another embodiment. 2: Swivel base, 5: Operating section, B: Drilling equipment, 18
: Operation lever, 37: Hydraulic control valve, 37a: Spool, 39: Link mechanism, 41: Switch operating body, 42: Switch.
Claims (1)
方に掘削装置Ｂを上下昇降自在に取付け、同掘削
装置Ｂのバケツトを運転部５の上方まで上昇させ
ると共に、同掘削装置Ｂの中途部を左右にオフセ
ツト自在に構成した小旋回型のバツクホーにおい
て、 運転部５に設けた操作レバー１８に、リンク機
構３９を介して、掘削装置Ｂの掘削作動を行う油
圧制御弁３７のスプール３７ａを連動連結し、さ
らに、同スプール３７ａの先端にスイツチ作動体
４１に設け、同作動体４１に同装置Ｂの中途部を
運転部５の離反方向にオフセツト動作させる為の
スイツチ４２を連動連結したことを特徴とする小
旋回型バツクホーの安全装置。[Scope of Claim for Utility Model Registration] A driving unit 5 is provided on the swivel table 4, and the excavating equipment B is attached to the side of the driving unit 5 so as to be able to rise and fall freely, and the bucket of the excavating equipment B is raised above the driving unit 5. In a small swing type backhoe in which the middle part of the excavation rig B is configured to be able to be raised and offset freely to the left and right, the operation lever 18 provided on the driving section 5 is operated via a link mechanism 39 to control the excavation operation of the excavation rig B. A spool 37a of a hydraulic control valve 37 that performs this is interlocked and connected, and a switch actuating body 41 is provided at the tip of the spool 37a, and the actuating body 41 is provided with an offset operation for the middle part of the device B in the direction away from the operating section 5. A safety device for a small turning type backhoe, characterized in that a switch 42 is interlocked to allow the switch to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8627888U JPH0752200Y2 (en) | 1988-06-28 | 1988-06-28 | Small turning backhoe safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8627888U JPH0752200Y2 (en) | 1988-06-28 | 1988-06-28 | Small turning backhoe safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH026767U true JPH026767U (en) | 1990-01-17 |
| JPH0752200Y2 JPH0752200Y2 (en) | 1995-11-29 |
Family
ID=31310917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8627888U Expired - Lifetime JPH0752200Y2 (en) | 1988-06-28 | 1988-06-28 | Small turning backhoe safety device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0752200Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0489151U (en) * | 1990-11-30 | 1992-08-04 | ||
| JP2006112229A (en) * | 2006-01-20 | 2006-04-27 | Yanmar Co Ltd | Mininal revolving work machine |
-
1988
- 1988-06-28 JP JP8627888U patent/JPH0752200Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0489151U (en) * | 1990-11-30 | 1992-08-04 | ||
| JP2006112229A (en) * | 2006-01-20 | 2006-04-27 | Yanmar Co Ltd | Mininal revolving work machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0752200Y2 (en) | 1995-11-29 |
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