JPS631053U - - Google Patents
Info
- Publication number
- JPS631053U JPS631053U JP9420086U JP9420086U JPS631053U JP S631053 U JPS631053 U JP S631053U JP 9420086 U JP9420086 U JP 9420086U JP 9420086 U JP9420086 U JP 9420086U JP S631053 U JPS631053 U JP S631053U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- main boom
- main
- sub
- base end
- 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 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
第1図は、本考案による掘削装置の側面図。第
2図は、第1図の―線断面図。第3図は、本
案と従来の掘削装置とを対比説明するための模式
図。
A:掘削装置、1:旋回台、2:枢支ブラケツ
ト、3:主ブーム、4:副ブーム、5:バケツト
。
FIG. 1 is a side view of the drilling rig according to the present invention. FIG. 2 is a sectional view taken along the line -- in FIG. FIG. 3 is a schematic diagram for comparing and explaining the present invention and a conventional drilling device. A: Excavation equipment, 1: Swivel base, 2: Pivot bracket, 3: Main boom, 4: Sub-boom, 5: Bucket.
Claims (1)
ト2を介して枢支し、同主ブーム3先端には副ブ
ーム4基端を枢支して、同副ブーム4先端にバケ
ツト5を取付け、これら主副ブーム3,4、及び
、バケツト5を第1、第2、第3油圧シリンダー
6,7,8により回動作動させて掘削作業が行な
えるように構成した掘削装置において、主ブーム
3を中央部よりく字状に折曲形成すると共に、同
主ブーム3下半部をさらに略中央部より同一方向
へく字状に折曲形成し、主ブーム3作動用の第1
油圧シリンダー6を、主ブーム3基端部に略平行
状態に近接させて、同主ブーム3中途部と枢支ブ
ラケツト2との間に、介設してなるバツクホーの
掘削装置構造。 The base end of the main boom 3 is pivoted to the front end of the swivel base 1 via the pivot bracket 2, the base end of the sub-boom 4 is pivoted to the tip of the main boom 3, and the bucket 5 is attached to the tip of the sub-boom 4. In the excavation equipment configured such that excavation work can be performed by rotating the main and sub-booms 3, 4 and the bucket 5 using first, second and third hydraulic cylinders 6, 7 and 8, the main boom 3 is bent in a dogleg shape from the center, and the lower half of the main boom 3 is further bent in a dogleg shape in the same direction from approximately the center, and a first
The excavator structure of a backhoe includes a hydraulic cylinder 6 interposed between a midway portion of the main boom 3 and a pivot bracket 2 in a manner substantially parallel to and close to the base end of the main boom 3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9420086U JPH0439306Y2 (en) | 1986-06-19 | 1986-06-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9420086U JPH0439306Y2 (en) | 1986-06-19 | 1986-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS631053U true JPS631053U (en) | 1988-01-06 |
JPH0439306Y2 JPH0439306Y2 (en) | 1992-09-14 |
Family
ID=30957427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9420086U Expired JPH0439306Y2 (en) | 1986-06-19 | 1986-06-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0439306Y2 (en) |
-
1986
- 1986-06-19 JP JP9420086U patent/JPH0439306Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0439306Y2 (en) | 1992-09-14 |
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