JPH0417488U - - Google Patents
Info
- Publication number
- JPH0417488U JPH0417488U JP6023590U JP6023590U JPH0417488U JP H0417488 U JPH0417488 U JP H0417488U JP 6023590 U JP6023590 U JP 6023590U JP 6023590 U JP6023590 U JP 6023590U JP H0417488 U JPH0417488 U JP H0417488U
- Authority
- JP
- Japan
- Prior art keywords
- hollow shaft
- sheave
- rotary arm
- auxiliary cable
- top sheave
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Earth Drilling (AREA)
Description
第１図は本考案の一実施例の側面図、第２図は
同実施例の要部の拡大側面図、第３図は同要部の
拡大平面図、第４図は主索条繰り出し点と副索条
繰り出し点との関係を示す説明図である。
図中 Ａ……トツプシーブ、Ｂ……回転腕、Ｃ
……回転駆動装置、１……リーダマスト、２……
ブーム、３……トツプシーブ本体、６……中間シ
ーブ、７……中空軸、８……副索条繰り出しシー
ブ、９……中間シーブ、１０……主索条、１５…
…副索条繰り入れシーブ、１４……副索条。
Fig. 1 is a side view of an embodiment of the present invention, Fig. 2 is an enlarged side view of the main parts of the same embodiment, Fig. 3 is an enlarged plan view of the main parts, and Fig. 4 is the main rope payout point. It is an explanatory view showing the relationship between and the sub-rope let-out point. In the diagram A... Top sheave, B... Rotating arm, C
... Rotation drive device, 1 ... Leader mast, 2 ...
Boom, 3...Top sheave body, 6...Intermediate sheave, 7...Hollow shaft, 8...Sub-route payout sheave, 9...Intermediate sheave, 10...Main rope, 15...
...Sub-route feeding sheave, 14...Sub-route.
Claims (1)
れる主索条１０によつてアースオーガ１１を昇降
させる掘削装置において、トツプシーブ本体３に
リーダマスト１と軸平行な中空軸７を枢着し、同
中空軸７の頂端に横方向へ伸びる回転腕Ｂの基部
を固定して、同回転腕Ｂの前端に副索条繰り出し
シーブ８を枢着し、同中空軸７に回転腕Ｂを回転
固定自在にする回転駆動装置Ｃを連結すると共に
、中空軸７の上端と同中空軸７下方のトツプシー
ブ本体３側に中間シーブ６，９を設けて、部材昇
降用の副索条１４を中空軸７の略軸心を通るよう
にして前記副索条繰り出しシーブ８、中間シーブ
６，９に掛張して成る掘削装置。 In an excavation device in which an earth auger 11 is raised and lowered by a main rope 10 that is let out from a top sheave A of a leader mast 1, a hollow shaft 7 parallel to the axis of the leader mast 1 is pivotally connected to the top sheave body 3. A rotary drive in which the base of a rotary arm B extending laterally at the apex is fixed, an auxiliary cable feed-out sheave 8 is pivotally attached to the front end of the rotary arm B, and the rotary arm B can be rotatably fixed to the hollow shaft 7. In addition to connecting the device C, intermediate sheaves 6 and 9 are provided on the upper end of the hollow shaft 7 and the top sheave main body 3 side below the hollow shaft 7, and the auxiliary cable 14 for raising and lowering the member is connected approximately to the axis of the hollow shaft 7. An excavation device in which the auxiliary cable is hung on the sheave 8 and the intermediate sheaves 6 and 9 so as to pass through it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6023590U JP2511669Y2 (en) | 1990-06-06 | 1990-06-06 | Drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6023590U JP2511669Y2 (en) | 1990-06-06 | 1990-06-06 | Drilling rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0417488U true JPH0417488U (en) | 1992-02-13 |
| JP2511669Y2 JP2511669Y2 (en) | 1996-09-25 |
Family
ID=31587427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6023590U Expired - Lifetime JP2511669Y2 (en) | 1990-06-06 | 1990-06-06 | Drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511669Y2 (en) |
-
1990
- 1990-06-06 JP JP6023590U patent/JP2511669Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511669Y2 (en) | 1996-09-25 |
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