JPH032050U - - Google Patents
Info
- Publication number
- JPH032050U JPH032050U JP6226589U JP6226589U JPH032050U JP H032050 U JPH032050 U JP H032050U JP 6226589 U JP6226589 U JP 6226589U JP 6226589 U JP6226589 U JP 6226589U JP H032050 U JPH032050 U JP H032050U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- hydraulic
- arm
- working machine
- operating
- 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
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shovels (AREA)
Description
第１図は本考案に係る油圧式堀削機の一実施例
を示す作業機の側面図、第２図は第１図のＡ−Ａ
断面図、第３図は本考案の作業機に作用する曲げ
モーメントを示す説明図、第４図は従来の油圧式
堀削機の一例を示す全体側面図、第５図は同作業
機に作用する曲げモーメントを示す説明図である
。
２１……油圧式堀削機、２４……ブーム、２５
……アーム、２６……堀削具、２７……作業機、
３０……ブームシリンダ、３１……アームシリン
ダ、３２……堀削具シリンダ、３４……ブラケツ
ト、３５……支承部。
Fig. 1 is a side view of a working machine showing an embodiment of a hydraulic excavation machine according to the present invention, and Fig. 2 is an A-A in Fig. 1.
3 is an explanatory diagram showing the bending moment acting on the working machine of the present invention, Fig. 4 is an overall side view showing an example of a conventional hydraulic excavator, and Fig. 5 is an illustration showing the bending moment acting on the working machine. It is an explanatory view showing a bending moment. 21...Hydraulic drilling machine, 24...Boom, 25
...Arm, 26...Drilling tool, 27...Working machine,
30...Boom cylinder, 31...Arm cylinder, 32...Drilling tool cylinder, 34...Bracket, 35...Support part.
Claims (1)
順次連結してなる作業機を揺動可能に装着した油
圧式堀削機において、前記ブームの操作用油圧シ
リンダのロツド先端部と前記アームの操作用油圧
シリンダの基端部とをブーム上壁面部に固設した
支承部に同軸に取着したことを特徴とする油圧式
堀削機の作業機構造。 In a hydraulic excavation machine in which a working machine consisting of a boom, an arm, and a excavation tool are sequentially connected to the front part of an upper vehicle body is swingably mounted, the rod tip of a hydraulic cylinder for operating the boom and the arm A working machine structure for a hydraulic excavator, characterized in that a base end of an operating hydraulic cylinder is coaxially attached to a support fixed to an upper wall of the boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6226589U JPH032050U (en) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6226589U JPH032050U (en) | 1989-05-29 | 1989-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032050U true JPH032050U (en) | 1991-01-10 |
Family
ID=31591252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6226589U Pending JPH032050U (en) | 1989-05-29 | 1989-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032050U (en) |
-
1989
- 1989-05-29 JP JP6226589U patent/JPH032050U/ja active Pending