JPH01162684U - - Google Patents
Info
- Publication number
- JPH01162684U JPH01162684U JP5876988U JP5876988U JPH01162684U JP H01162684 U JPH01162684 U JP H01162684U JP 5876988 U JP5876988 U JP 5876988U JP 5876988 U JP5876988 U JP 5876988U JP H01162684 U JPH01162684 U JP H01162684U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- branch pipe
- pipe
- main
- gas main
- 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
- 238000010926 purge Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Pipeline Systems (AREA)
- Sampling And Sample Adjustment (AREA)
Description
第１図は本考案の一実施例を示す説明図、第２
図は要部の拡大縦断側面図、第３図は同正面図、
第４図はセンブル部分のガスパージの作業態様を
示す縦断側面図である。
１……ガス負管あるいは支管、２……分岐管、
２ａ……判明分岐管、２ｂ……不明分岐管、３…
…ワイヤ、４……キヤリヤ、５……ガスセンサ、
６……ウインチ、７……コード、８……探査装置
本体、９……支持体、１０……重錘。
Fig. 1 is an explanatory diagram showing one embodiment of the present invention;
The figure is an enlarged vertical side view of the main part, Figure 3 is a front view of the same,
FIG. 4 is a longitudinal sectional side view showing a working mode of gas purging of the assembled portion. 1... Gas negative pipe or branch pipe, 2... Branch pipe,
2a...Identified branch pipe, 2b...Unknown branch pipe, 3...
...Wire, 4...Carrier, 5...Gas sensor,
6...Winch, 7...Cord, 8...Exploration device main body, 9...Support, 10...Weight.
Claims (1)
において開放し、本管あるいは支管と判明分岐管
内のガスを空気と置換した後、ガスセンサを上記
ガス本管あるいは支管に通して、不明分岐管から
上記ガス本管あるいは支管内へ拡散した残留ガス
を検出するものにおいて、上記ガス本管あるいは
支管内を通るキヤリヤに、そのキヤリヤの進行方
向と直交する面で旋回される支持体を設け、上記
支持体の一端側に上記ガスセンサを装着すると共
に、上記支持体の他端側に重錘を設け、上記重錘
の働きで上記ガスセンサを上記ガス本管あるいは
支管内の上辺部に保持するようにしたことを特徴
とするガス管における不明分岐管の探査装置。 After opening the existing gas main or branch pipe at both ends of the target section and replacing the gas in the main or branch pipe with air, pass the gas sensor through the gas main or branch pipe, and connect the unknown branch pipe to the above. In a device for detecting residual gas diffused into a gas main pipe or a branch pipe, a carrier passing through the gas main pipe or branch pipe is provided with a support body that is rotated in a plane perpendicular to the traveling direction of the carrier, and the support body The gas sensor is mounted on one end side, and a weight is provided on the other end side of the support, so that the gas sensor is held at the upper side of the gas main pipe or branch pipe by the action of the weight. An apparatus for searching for unknown branch pipes in gas pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988058769U JPH076550Y2 (en) | 1988-04-28 | 1988-04-28 | Exploration device for unknown branch pipe in gas pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988058769U JPH076550Y2 (en) | 1988-04-28 | 1988-04-28 | Exploration device for unknown branch pipe in gas pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01162684U true JPH01162684U (en) | 1989-11-13 |
| JPH076550Y2 JPH076550Y2 (en) | 1995-02-15 |
Family
ID=31284567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988058769U Expired - Lifetime JPH076550Y2 (en) | 1988-04-28 | 1988-04-28 | Exploration device for unknown branch pipe in gas pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH076550Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014522487A (en) * | 2012-04-26 | 2014-09-04 | コリア インスティチュート オブ ジオサイエンス アンド ミネラル リソースズ | Groundwater salt water surface position tracking device and its installation machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60140171A (en) * | 1983-12-28 | 1985-07-25 | Osaka Gas Co Ltd | Survey of unknown branch pipe for gas conduit |
| JPS6156988A (en) * | 1984-08-28 | 1986-03-22 | Tokyo Gas Co Ltd | Probing method of unknown branch pipe off gas main and branch |
-
1988
- 1988-04-28 JP JP1988058769U patent/JPH076550Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60140171A (en) * | 1983-12-28 | 1985-07-25 | Osaka Gas Co Ltd | Survey of unknown branch pipe for gas conduit |
| JPS6156988A (en) * | 1984-08-28 | 1986-03-22 | Tokyo Gas Co Ltd | Probing method of unknown branch pipe off gas main and branch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014522487A (en) * | 2012-04-26 | 2014-09-04 | コリア インスティチュート オブ ジオサイエンス アンド ミネラル リソースズ | Groundwater salt water surface position tracking device and its installation machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH076550Y2 (en) | 1995-02-15 |