JPH0215692U - - Google Patents
Info
- Publication number
- JPH0215692U JPH0215692U JP9185088U JP9185088U JPH0215692U JP H0215692 U JPH0215692 U JP H0215692U JP 9185088 U JP9185088 U JP 9185088U JP 9185088 U JP9185088 U JP 9185088U JP H0215692 U JPH0215692 U JP H0215692U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- excavation
- casing body
- casing
- enlarged part
- 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 6
- 238000005553 drilling Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Description
第１図は本考案の一実施例を示す掘削機全体の
側面図、第２図は第１図の掘削用フレーム、ケー
シングの拡大正面図、第３図は第１図の部分の
拡大正面図、第４図は第３図の―部分の拡大
縦断面図、第５図は本考案の他の実施例を示す第
１図の部分に相当する箇所の拡大正面図、第６
図は従来例の掘削用フレーム、ケーシングの正面
図、第７図は第６図の―部分の拡大縦断面図
である。
１：掘削機、２：支持桿、５：駆動装置、６：
掘削用フレーム、７：カツター、８：掘削用チエ
ン、１１：ケーシング本体、１２：拡大部、１２
ａ：内側斜面、１３：鋭利刃先。
Fig. 1 is a side view of the entire excavator showing an embodiment of the present invention, Fig. 2 is an enlarged front view of the excavation frame and casing shown in Fig. 1, and Fig. 3 is an enlarged front view of the portion shown in Fig. 1. , FIG. 4 is an enlarged longitudinal cross-sectional view of the portion shown in FIG. 3, FIG. 5 is an enlarged front view of a portion corresponding to the portion of FIG.
The figure is a front view of a conventional excavation frame and casing, and FIG. 7 is an enlarged vertical cross-sectional view of the portion shown in FIG. 1: Excavator, 2: Support rod, 5: Drive device, 6:
Drilling frame, 7: Cutter, 8: Drilling chain, 11: Casing body, 12: Expanded part, 12
a: Inner slope, 13: Sharp cutting edge.
Claims (1)
る駆動装置によつて昇降され周囲に回動されるカ
ツター付き掘削用チエンが巻装された掘削用フレ
ームにおいて、該掘削用フレームに嵌装されて囲
つたケーシング本体の下部に外幅の大きい拡大部
を設け、該拡大部の下端縁部を、内側斜面で鋭利
刃先にするとともに下方へ突出した凸形状にした
ことを特徴とする掘削用フレームのケーシング。 In an excavation frame wrapped with a cutter-equipped excavation chain that is lifted and lowered and rotated around by a drive device guided along a support rod installed in an excavator, the excavation frame is fitted into the excavation frame. An enlarged part with a large outer width is provided at the lower part of the casing body surrounded by the casing body, and the lower end edge of the enlarged part has a sharp cutting edge on an inner slope and a convex shape protruding downward. frame casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9185088U JPH0215692U (en) | 1988-07-13 | 1988-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9185088U JPH0215692U (en) | 1988-07-13 | 1988-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0215692U true JPH0215692U (en) | 1990-01-31 |
Family
ID=31316307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9185088U Pending JPH0215692U (en) | 1988-07-13 | 1988-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0215692U (en) |
-
1988
- 1988-07-13 JP JP9185088U patent/JPH0215692U/ja active Pending