JPS6453227U - - Google Patents
Info
- Publication number
- JPS6453227U JPS6453227U JP14887087U JP14887087U JPS6453227U JP S6453227 U JPS6453227 U JP S6453227U JP 14887087 U JP14887087 U JP 14887087U JP 14887087 U JP14887087 U JP 14887087U JP S6453227 U JPS6453227 U JP S6453227U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- pressure generated
- water
- pumping
- suction port
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 239000003673 groundwater Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
第１図は考案の第１実施例を示す部分断面斜視
図、第２図は吸引口１の断面図、第３図は吸引口
１の加工図、第４図は考案の第２実施例を示す部
分断面実施図である。
１……吸引口、２……硬質中空パイプ、３……
屈曲可能な中空パイプ、４……負圧力発生側パイ
プ、５……高圧噴射ポンプ、６……負圧力発生部
（第１図ではジエツト）、７……吐出側パイプ、
８……駆動水タンク、９……越流溝、１０……ノ
ツチタンク、１１……真空タンク、１２……排水
ポンプ。
Fig. 1 is a partial cross-sectional perspective view showing the first embodiment of the invention, Fig. 2 is a cross-sectional view of the suction port 1, Fig. 3 is a processing diagram of the suction port 1, and Fig. 4 shows the second embodiment of the invention. FIG. 1...Suction port, 2...Hard hollow pipe, 3...
Bendable hollow pipe, 4... Negative pressure generating side pipe, 5... High pressure injection pump, 6... Negative pressure generating section (jet in Fig. 1), 7... Discharge side pipe,
8... Drive water tank, 9... Overflow groove, 10... Notch tank, 11... Vacuum tank, 12... Drain pump.
Claims (1)
の真空機器によつて生じせしめた負圧力を利用し
てボーリング孔内の地下水を吸引し、揚水試験を
行なうとき、吸引口１から空気を自由に取り入れ
させることで低下水位を一定に保ち、且つ自由に
調節できるようにしたことを特徴とする揚水試験
器。 When performing a pumping test by suctioning groundwater in a borehole using the discharge negative pressure generated by the injection of high-pressure fluid or the negative pressure generated by other vacuum equipment, air is released freely from the suction port 1. A water pumping tester characterized by being able to maintain a constant lowering water level and freely adjust it by incorporating water into the pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987148870U JP2528686Y2 (en) | 1987-09-29 | 1987-09-29 | Constant-level pumping tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987148870U JP2528686Y2 (en) | 1987-09-29 | 1987-09-29 | Constant-level pumping tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6453227U true JPS6453227U (en) | 1989-04-03 |
| JP2528686Y2 JP2528686Y2 (en) | 1997-03-12 |
Family
ID=31420580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987148870U Expired - Lifetime JP2528686Y2 (en) | 1987-09-29 | 1987-09-29 | Constant-level pumping tester |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2528686Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS559817U (en) * | 1978-07-03 | 1980-01-22 |
-
1987
- 1987-09-29 JP JP1987148870U patent/JP2528686Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS559817U (en) * | 1978-07-03 | 1980-01-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2528686Y2 (en) | 1997-03-12 |
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