JPS62120594U - - Google Patents
Info
- Publication number
- JPS62120594U JPS62120594U JP484686U JP484686U JPS62120594U JP S62120594 U JPS62120594 U JP S62120594U JP 484686 U JP484686 U JP 484686U JP 484686 U JP484686 U JP 484686U JP S62120594 U JPS62120594 U JP S62120594U
- Authority
- JP
- Japan
- Prior art keywords
- drive device
- casing
- rotary drive
- lowered
- kelly
- 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
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Description
図は本考案の一実施例を示し、第１図はアース
ドリルの正面図、第２図は要部の拡大側面図、第
３図は回転駆動装置の平面図、第４図は深穴掘削
作業の状態を示す正面図である。
１……アースドリル、２……上部旋回体、３…
…フロントブラケツト、４……リーダ、７……バ
ツクステー、９……ワイヤロープ、１０……ケリ
ーロープ、１２……回転駆動装置、１５……スイ
ベルジヨイント、１６……伸縮ケリーバ、１８…
…排土用シリンダ、２１……ケーシング、２２…
…トルク伝達部、２２ａ……ケリーバ挿通孔、２
３……バケツト。
The figures show one embodiment of the present invention, in which Figure 1 is a front view of the earth drill, Figure 2 is an enlarged side view of the main parts, Figure 3 is a plan view of the rotary drive device, and Figure 4 is deep hole drilling. It is a front view showing the state of work. 1...Earth drill, 2...Upper rotating body, 3...
...Front bracket, 4...Leader, 7...Backstay, 9...Wire rope, 10...Kelly rope, 12...Rotary drive device, 15...Swivel joint, 16...Extensible Kelly bar, 18...
...Earth removal cylinder, 21...Casing, 22...
...Torque transmission part, 22a...Keriver insertion hole, 2
3...bucket.
Claims (1)
を昇降可能に設け、該回転駆動装置の下部に回転
駆動装置より回転するケーシングを固設し、該ケ
ーシングの下端にケリーバに回転トルクを伝達す
るトルク伝達部を設けるとともにケーシング内に
トルク伝達部を貫通する伸縮ケリーバをスイベル
ジヨイントを介してケリーロープにて昇降自在に
吊持したことを特徴とするアースドリル。 A rotary drive device is installed on a leader installed on the base machine so that it can be raised and lowered, a casing that rotates from the rotary drive device is fixed to the bottom of the rotary drive device, and a torque transmission that transmits the rotational torque to the Kelly bar is provided at the lower end of the casing. An earth drill characterized in that a telescopic Kelly bar is provided inside the casing and extends through the torque transmitting part, and is suspended by a Kelly rope via a swivel joint so as to be freely raised and lowered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986004846U JPH0428958Y2 (en) | 1986-01-17 | 1986-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986004846U JPH0428958Y2 (en) | 1986-01-17 | 1986-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62120594U true JPS62120594U (en) | 1987-07-31 |
| JPH0428958Y2 JPH0428958Y2 (en) | 1992-07-14 |
Family
ID=30785888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986004846U Expired JPH0428958Y2 (en) | 1986-01-17 | 1986-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428958Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60195390U (en) * | 1984-05-30 | 1985-12-26 | 日本車輌製造株式会社 | earth drill |
-
1986
- 1986-01-17 JP JP1986004846U patent/JPH0428958Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60195390U (en) * | 1984-05-30 | 1985-12-26 | 日本車輌製造株式会社 | earth drill |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0428958Y2 (en) | 1992-07-14 |
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