JPH0284890U - - Google Patents
Info
- Publication number
- JPH0284890U JPH0284890U JP16495888U JP16495888U JPH0284890U JP H0284890 U JPH0284890 U JP H0284890U JP 16495888 U JP16495888 U JP 16495888U JP 16495888 U JP16495888 U JP 16495888U JP H0284890 U JPH0284890 U JP H0284890U
- Authority
- JP
- Japan
- Prior art keywords
- mast
- cable
- intermediate section
- suspended
- half 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.)
- Granted
Links
- 238000009412 basement excavation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図は一実施例のオーガ等を省略した状態で
の側面図、第２図は要部の拡大側断面図、第３図
は同要部の索条案内部材の形状を示す各部材の正
断面図、第４図は別実施例の要部の側断面図であ
る。
図中 Ａ……リーダマスト、Ｂ……結合具、１
……トツプシーブ、３……マスト中間部、４……
マスト下半部、９……マスト中間部固定用の油圧
シリンダ、１０……ローラ、１１……側部孔、１
２……案内シーブ、１７……フツク、１８……吊
り下げ環、２６……案内パイプ、２７……索条輪
、２８……Ｃ型フツク。
Fig. 1 is a side view of one embodiment with the auger etc. omitted, Fig. 2 is an enlarged side sectional view of the main parts, and Fig. 3 shows the shape of the cable guide member of the main parts of each member. A front sectional view and FIG. 4 are side sectional views of main parts of another embodiment. In the diagram A... Leader mast, B... Connector, 1
... Top sheave, 3 ... Mast middle section, 4 ...
Lower half of the mast, 9...Hydraulic cylinder for fixing the middle part of the mast, 10...Roller, 11...Side hole, 1
2... Guide sheave, 17... Hook, 18... Hanging ring, 26... Guide pipe, 27... Cable ring, 28... C-shaped hook.
Claims (1)
支持し、マストの側部孔１１から索条１６をマス
ト内に導入してマスト中間部３の下端から垂下さ
せ、索条１６の垂下端をマスト下半部４の上端に
結合具Ｂを介して結合し、索条１６を引き上げる
ことによりマスト中間部３の下端とマスト下半部
４の上端とを接ぎ口合わせ可能にして成る掘削装
置。 The mast intermediate section 3 is fixedly supported in the air by the boom 5, and the cable 16 is introduced into the mast through the side hole 11 of the mast and suspended from the lower end of the mast intermediate section 3, and the hanging end of the cable 16 is suspended from the lower end of the mast intermediate section 3. This excavation equipment is connected to the upper end of a mast lower half part 4 via a connector B, and by pulling up a cable 16, the lower end of a mast intermediate part 3 and the upper end of the mast lower half part 4 can be brought together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16495888U JPH0447277Y2 (en) | 1988-12-19 | 1988-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16495888U JPH0447277Y2 (en) | 1988-12-19 | 1988-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0284890U true JPH0284890U (en) | 1990-07-02 |
| JPH0447277Y2 JPH0447277Y2 (en) | 1992-11-09 |
Family
ID=31451017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16495888U Expired JPH0447277Y2 (en) | 1988-12-19 | 1988-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447277Y2 (en) |
-
1988
- 1988-12-19 JP JP16495888U patent/JPH0447277Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447277Y2 (en) | 1992-11-09 |
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