JPH02120554U - - Google Patents
Info
- Publication number
- JPH02120554U JPH02120554U JP2757689U JP2757689U JPH02120554U JP H02120554 U JPH02120554 U JP H02120554U JP 2757689 U JP2757689 U JP 2757689U JP 2757689 U JP2757689 U JP 2757689U JP H02120554 U JPH02120554 U JP H02120554U
- Authority
- JP
- Japan
- Prior art keywords
- backhoe
- connecting rods
- switching valves
- hydraulic switching
- excavation
- 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 2
Landscapes
- Operation Control Of Excavators (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第1図は本考案を装備するバツクホーの全体側面
図、第2図は本考案要部の正面断面図、第3図は
同操作レバー部の斜視図、第4図は本考案要部の
平面断面図、第5図は連結用ロツドの取付状態を
示す側面図、第6図は他の実施例を示す側面図で
ある。
13,14:操作レバー、29,34,45,
49:連結用ロツド、30,35,46,50:
油圧切換バルブ。
The drawings show one embodiment of the present invention,
Figure 1 is an overall side view of a pocket hoe equipped with the present invention, Figure 2 is a front sectional view of the main parts of the invention, Figure 3 is a perspective view of the operating lever, and Figure 4 is a plan view of the main parts of the invention. A sectional view, FIG. 5 is a side view showing how the connecting rod is attached, and FIG. 6 is a side view showing another embodiment. 13, 14: Operation lever, 29, 34, 45,
49: Connection rod, 30, 35, 46, 50:
Hydraulic switching valve.
Claims (1)
、前後方向及び左右方向に操作可能な手元側操作
レバー13,14から油圧切換バルブ30,35
,46,50への連動系統を二系統設け、油圧切
換バルブ30,35,46,50に連結する連結
用ロツド29,34,45,49を二分割構造に
して伸縮固定可能とすると共に、同連結用ロツド
29,34,45,49を伸長状態又は収縮状態
に取付けて、通常の操作経路と別の操作経路とに
変更自在としたことを特徴とするバツクホーにお
ける掘削用操作部構造。 In the excavation operation part structure of a backhoe, the hydraulic switching valves 30, 35 are connected to the hand-side operation levers 13, 14 that can be operated in the front-rear direction and the left-right direction.
, 46, 50 are provided, and the connecting rods 29, 34, 45, 49 connected to the hydraulic switching valves 30, 35, 46, 50 are made into a two-part structure so that they can be expanded and contracted and fixed. An operating section structure for excavation in a backhoe, characterized in that connecting rods 29, 34, 45, and 49 are attached in an extended state or a contracted state so as to be able to change between a normal operating route and another operating route.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2757689U JPH0724444Y2 (en) | 1989-03-10 | 1989-03-10 | Excavator operation structure in backhoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2757689U JPH0724444Y2 (en) | 1989-03-10 | 1989-03-10 | Excavator operation structure in backhoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02120554U true JPH02120554U (en) | 1990-09-28 |
| JPH0724444Y2 JPH0724444Y2 (en) | 1995-06-05 |
Family
ID=31250185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2757689U Expired - Lifetime JPH0724444Y2 (en) | 1989-03-10 | 1989-03-10 | Excavator operation structure in backhoe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724444Y2 (en) |
-
1989
- 1989-03-10 JP JP2757689U patent/JPH0724444Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0724444Y2 (en) | 1995-06-05 |