JPH0477689U - - Google Patents
Info
- Publication number
- JPH0477689U JPH0477689U JP11848390U JP11848390U JPH0477689U JP H0477689 U JPH0477689 U JP H0477689U JP 11848390 U JP11848390 U JP 11848390U JP 11848390 U JP11848390 U JP 11848390U JP H0477689 U JPH0477689 U JP H0477689U
- Authority
- JP
- Japan
- Prior art keywords
- sub
- hammer
- rod
- drill
- hammer sub
- 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
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図及び第２図は、本考案の一実施例を示し
、第１図はドリルヘツドの正面図、第２図は、ハ
ンマーサブ接続部の断面図である。第３図及び第
４図は、従来例を示し、第３図はロータリーパー
カツシヨンドリルを例示した側面図、第４図はハ
ンマーサブ接続部の断面図である。
１……ドリルヘツド、２……ハンマーサブ、３
……ロツドサブ、３ａ，３ｂ……掘削流体の通路
、３ｃ……通孔、４……ネジ結合部、９……冷却
通路、１３……クリーニングスイベル、１４……
インロー。
1 and 2 show an embodiment of the present invention, with FIG. 1 being a front view of the drill head and FIG. 2 being a sectional view of the hammer sub-connection. 3 and 4 show a conventional example, FIG. 3 is a side view illustrating a rotary percution drill, and FIG. 4 is a sectional view of a hammer sub-connection part. 1...Drill head, 2...Hammer sub, 3
... Rod sub, 3a, 3b ... Drilling fluid passage, 3c ... Through hole, 4 ... Threaded joint, 9 ... Cooling passage, 13 ... Cleaning swivel, 14 ...
Inlaw.
Claims (1)
イプに連結するロツドサブを接続する接続部にお
いて、ハンマーサブの底面に軸心方向に向けて冷
却通路を穿設し、前記ロツドサブにクリーニング
スイベルを設け、該クリーニングスイベルに連通
するロツドサブの通路を、前記ハンマーサブの冷
却通路に連通したことを特徴とするロータリーパ
ーカツシヨンドリルにおけるハンマーサブ接続部
の構造。 (2) 前記ハンマーサブとロツドサブは、ネジ結
合で接続し、ハンマーサブのネジ部の前後には、
インローを設けたことを特徴とする請求項(1)記
載のロータリーパーカツシヨンドリルにおけるハ
ンマーサブ接続部の構造。[Claims for Utility Model Registration] (1) At the connection part where the rod sub connected to the drill pipe is connected to the hammer sub of the drill head, a cooling passage is bored in the bottom surface of the hammer sub in the axial direction, and the rod sub is connected to the hammer sub of the drill head. A structure of a hammer sub connection part in a rotary percution drill, characterized in that a cleaning swivel is provided in the rod sub, and a passage of the rod sub communicating with the cleaning swivel communicates with a cooling passage of the hammer sub. (2) The hammer sub and rod sub are connected by a screw connection, and there are
The structure of the hammer sub-connection portion in the rotary percution drill according to claim (1), characterized in that a pilot is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990118483U JP2531792Y2 (en) | 1990-11-10 | 1990-11-10 | Structure of the hammer sub-connection in rotary percussion drills |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990118483U JP2531792Y2 (en) | 1990-11-10 | 1990-11-10 | Structure of the hammer sub-connection in rotary percussion drills |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0477689U true JPH0477689U (en) | 1992-07-07 |
| JP2531792Y2 JP2531792Y2 (en) | 1997-04-09 |
Family
ID=31866401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990118483U Expired - Lifetime JP2531792Y2 (en) | 1990-11-10 | 1990-11-10 | Structure of the hammer sub-connection in rotary percussion drills |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531792Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5178003A (en) * | 1974-12-27 | 1976-07-07 | Koken Boring Machine Co | PAAKATSUSHONNAIZO GATAOOGADORIRU |
| JPS60148391U (en) * | 1984-03-13 | 1985-10-02 | 三菱重工業株式会社 | drifter |
-
1990
- 1990-11-10 JP JP1990118483U patent/JP2531792Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5178003A (en) * | 1974-12-27 | 1976-07-07 | Koken Boring Machine Co | PAAKATSUSHONNAIZO GATAOOGADORIRU |
| JPS60148391U (en) * | 1984-03-13 | 1985-10-02 | 三菱重工業株式会社 | drifter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531792Y2 (en) | 1997-04-09 |