JPS59178494U - Mechanical seal device for turbo drill - Google Patents
Mechanical seal device for turbo drillInfo
- Publication number
- JPS59178494U JPS59178494U JP7043383U JP7043383U JPS59178494U JP S59178494 U JPS59178494 U JP S59178494U JP 7043383 U JP7043383 U JP 7043383U JP 7043383 U JP7043383 U JP 7043383U JP S59178494 U JPS59178494 U JP S59178494U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- mechanical seal
- seal device
- turbo drill
- oil reservoir
- 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
Landscapes
- Earth Drilling (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のターボドリルの軸受は部分を示す説明図
、第２図はこの考案の一実施例になるターボドリルの全
体図、第３図は同上部シール部の拡大断面図、第４図は
チェック弁の拡大図、第５図はチェック弁の他の実施例
を示す説明図である。
１はターボドリル本体、４は軸受け、５は回転軸、９は
下部シール、１０は上部シール、１１はオイルリザーバ
、１７はチェック弁。
第３図
第４図Fig. 1 is an explanatory diagram showing the parts of a conventional turbo drill bearing, Fig. 2 is an overall view of a turbo drill that is an embodiment of this invention, Fig. 3 is an enlarged cross-sectional view of the upper seal part, and Fig. 4 The figure is an enlarged view of the check valve, and FIG. 5 is an explanatory diagram showing another embodiment of the check valve. 1 is a turbo drill body, 4 is a bearing, 5 is a rotating shaft, 9 is a lower seal, 10 is an upper seal, 11 is an oil reservoir, and 17 is a check valve. Figure 3 Figure 4
Claims (2)
下部シール９により区割されたオイルリザーバを設
け、このオイルリザーバ１１内に封入されたオイルによ
り回転軸５を支承する軸受け４を潤滑するものにおいて
、上記上部シール１０に、オイルリザーバ１１内の熱膨
張により発生した圧力を、マッド側へ放出するチェック
弁１７を設けてなるターボドリルのメカニカルシール装
置。(1) Inside the turbo drill body 1, the upper seal 10 and □
An oil reservoir partitioned by a lower seal 9 is provided, and the oil sealed in the oil reservoir 11 lubricates the bearing 4 that supports the rotating shaft 5. A mechanical seal device for a turbo drill equipped with a check valve 17 that releases pressure generated by expansion to the mud side.
内と連通ずる弁室１７ｂのマッド側開口部に、弁体１７
ｅと線接触する弁座１７ｄを設けると共に、弁室１７ｂ
内に設けた圧縮ばね１７ｈにより弁体１７ｅを弁座１７
ｄに圧接させるようにしてなる実用新案登録請求の範囲
第１項記載のターボドリルのメカニカルシール装置。(2) Connect the check valve 17 to the oil reservoir 11.
The valve body 17 is placed in the mud side opening of the valve chamber 17b that communicates with the inside of the valve chamber 17b.
A valve seat 17d is provided in line contact with the valve chamber 17b.
The valve body 17e is pressed against the valve seat 17 by a compression spring 17h provided therein.
A mechanical seal device for a turbo drill according to claim 1, which is adapted to be brought into pressure contact with d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7043383U JPS59178494U (en) | 1983-05-13 | 1983-05-13 | Mechanical seal device for turbo drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7043383U JPS59178494U (en) | 1983-05-13 | 1983-05-13 | Mechanical seal device for turbo drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59178494U true JPS59178494U (en) | 1984-11-29 |
| JPS6322222Y2 JPS6322222Y2 (en) | 1988-06-17 |
Family
ID=30200582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7043383U Granted JPS59178494U (en) | 1983-05-13 | 1983-05-13 | Mechanical seal device for turbo drill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59178494U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49111802A (en) * | 1973-02-07 | 1974-10-24 |
-
1983
- 1983-05-13 JP JP7043383U patent/JPS59178494U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49111802A (en) * | 1973-02-07 | 1974-10-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6322222Y2 (en) | 1988-06-17 |
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