JPH0169891U - - Google Patents
Info
- Publication number
- JPH0169891U JPH0169891U JP1987162450U JP16245087U JPH0169891U JP H0169891 U JPH0169891 U JP H0169891U JP 1987162450 U JP1987162450 U JP 1987162450U JP 16245087 U JP16245087 U JP 16245087U JP H0169891 U JPH0169891 U JP H0169891U
- Authority
- JP
- Japan
- Prior art keywords
- kelly rod
- rod
- kelly
- axial direction
- gripping
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図ａ〜第１図ｇは本考案の掘削機の動作を
示す概略図、第２図ａ及び第２図ｂは、それぞれ
ブツシングの正面図及び平面図、第３図ａ及び第
３図ｂはそれぞれ把持体の一部破断した平面図及
び縦断面図、第４図ａ及び第４図ｂはそれぞれロ
ータリテーブルの一部破断した２分の１平面図及
び縦断面図、第５図ａ及び第５図ｂはそれぞれ本
考案の掘削機の側面図及び正面図、第６図ａ及び
第６図ｂは、それぞれ従来の掘削機の側面図及び
一部拡大側面図である。
１１……ブツシング、１１ａ……右の分割片、
１１ｂ……左の分割片、１１ｅ……上鍔、１２…
…内ケリーロツド、１３……外ケリーロツド、１
４……把持体、１４１……チヤツク、１４２……
支持部、１５……ロータリテーブル、１５ｆ……
モータ、１６……シリンダー、１７……ロツドホ
ルダー、１８……ピン。
Figures 1a to 1g are schematic diagrams showing the operation of the excavator of the present invention, Figures 2a and 2b are front and plan views of the bushing, respectively, and Figures 3a and 3b are 4a and 4b are a partially broken plan view and a vertical sectional view of the rotary table, respectively, and FIG. 5 and 5b are a side view and a front view of the excavator of the present invention, respectively, and FIGS. 6a and 6b are a side view and a partially enlarged side view of a conventional excavator, respectively. 11...Butsing, 11a...Right split piece,
11b...left split piece, 11e...upper guard, 12...
...Inner Kelly Rod, 13...Outer Kelly Rod, 1
4...Gripper, 141...Chick, 142...
Support part, 15... Rotary table, 15f...
Motor, 16... cylinder, 17... rod holder, 18... pin.
Claims (1)
及び短縮状態で互いに係止する固定手段と、 内ケリーロツドに軸方向摺動自在士取り付けら
れ、前記内ケリーロツドと共に回転し、軸方向に
２分割されると共に上鍔を有し、該上鍔を除く外
周を前記外ケリーロツド外周と同一形状に形成し
たブツシングと、 前記外ケリーロツド外側を把持・解放するチヤ
ツク及び該チヤツクを回転自在に支持する支持部
とより成る把持体と、 前記外ケリーロツドを軸方向摺動自在に挿通す
ると共に、モータに連結され、前記外ケリーロツ
ドを回転せしめるロータリテーブルと、 該ロータリテーブルと前記支持部とを連結し、
前記把持体を上・下動せしめる複数のシリンダー
と、 地上付近に前記外ケリーロツドを把持・開放す
るロツドホルダーを具備したことを特徴とする掘
削機。[Scope of Claim for Utility Model Registration] A fixing means for locking two inner and outer expandable kelly rods to each other in an extended state and a contracted state; a fixing means that is slidably attached to the inner kelly rod in an axial direction and rotates together with the inner kelly rod; A bushing that is divided into two parts in the axial direction and has an upper flange, the outer periphery of which except for the upper flange is formed in the same shape as the outer periphery of the outer kelly rod, a chuck for gripping and releasing the outer periphery of the outer kelly rod, and the chuck is rotatable. a gripping body comprising a support part that supports the outer kelly rod; a rotary table that is slidably inserted through the outer kelly rod in the axial direction and is connected to a motor to rotate the outer kelly rod; connect,
An excavator comprising a plurality of cylinders for moving the gripping body up and down, and a rod holder near the ground for gripping and releasing the outer kelly rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162450U JPH0526149Y2 (en) | 1987-10-26 | 1987-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162450U JPH0526149Y2 (en) | 1987-10-26 | 1987-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0169891U true JPH0169891U (en) | 1989-05-09 |
| JPH0526149Y2 JPH0526149Y2 (en) | 1993-07-01 |
Family
ID=31446288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987162450U Expired - Lifetime JPH0526149Y2 (en) | 1987-10-26 | 1987-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526149Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019210740A (en) * | 2018-06-06 | 2019-12-12 | 株式会社菅原建設 | Rotary reaction force receiving device of construction equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985087A (en) * | 1982-11-08 | 1984-05-16 | 三菱重工業株式会社 | Vertical hole drilling machine |
| JPS62225687A (en) * | 1985-10-23 | 1987-10-03 | 丸五基礎工業株式会社 | Earth drill excavator |
-
1987
- 1987-10-26 JP JP1987162450U patent/JPH0526149Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019210740A (en) * | 2018-06-06 | 2019-12-12 | 株式会社菅原建設 | Rotary reaction force receiving device of construction equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526149Y2 (en) | 1993-07-01 |