JPH02116593U - - Google Patents
Info
- Publication number
- JPH02116593U JPH02116593U JP2387289U JP2387289U JPH02116593U JP H02116593 U JPH02116593 U JP H02116593U JP 2387289 U JP2387289 U JP 2387289U JP 2387289 U JP2387289 U JP 2387289U JP H02116593 U JPH02116593 U JP H02116593U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- propulsion
- magnetic field
- drilling
- tube
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の土中推進穿孔機用方向修正角
検知装置を用いた土中推進機全体の一例を示す概
略図、第２図は第１図のＡ−Ａ′断面における本
考案の実施例の断面図、第３図は第２図のＢ−Ｂ
′断面図である。
３０……永久磁石、３１……外管、３２……位
置検知センサ、３５……内管、４９……発進立坑
部、５１……ワイヤレス位置検知装置収容ケース
、５３……磁界強度検知センサ、７２……データ
送信用コイル、７９……検知データデジタル符号
化装置。
FIG. 1 is a schematic diagram showing an example of the entire underground propulsion machine using the direction correction angle detection device for the underground propulsion drilling machine of the present invention, and FIG. A cross-sectional view of the embodiment, FIG. 3 is taken along the line BB in FIG.
'It is a sectional view. 30...Permanent magnet, 31...Outer tube, 32...Position detection sensor, 35...Inner tube, 49...Starting shaft section, 51...Wireless position detection device housing case, 53...Magnetic field strength detection sensor, 72... Data transmission coil, 79... Detection data digital encoding device.
Claims (1)
、内管・外管からなる土中推進穿孔機の推進管内
に、先端外管の内面に取り付けた磁石と、該磁石
の磁界により、先端掘削ビツトが推進しようとし
ている方向を検知する、先端内管に搭載した磁界
センサと、該磁界センサにより得られる、先端掘
削ビツトが推進しようとしいる方向の角度信号を
信号処理する信号処理装置と、該信号処理装置に
より、前記角度信号をデジタル符号化した角度情
報を持つた磁波を、地上または発進立坑部に設置
された受信コイルに、ワイヤレス伝送するデータ
伝送用発信コイルとを有することを特徴とする土
中推進穿孔機用方向修正角検知装置。 In the direction correction angle detection device for underground propulsion drilling machines, a magnet is attached to the inner surface of the tip outer tube in the propulsion tube of the soil propulsion drilling machine, which consists of an inner tube and an outer tube, and the magnetic field of the magnet is used to detect the tip drilling bit. a magnetic field sensor mounted on the tip inner tube that detects the direction in which the tip drilling bit is trying to propel; a signal processing device that processes an angle signal of the direction in which the tip drilling bit is trying to propel obtained by the magnetic field sensor; A transmitting coil for data transmission wirelessly transmits a magnetic wave having angle information obtained by digitally encoding the angle signal to a receiving coil installed on the ground or in a starting shaft section by a processing device. Direction correction angle detection device for medium propulsion drilling machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2387289U JPH02116593U (en) | 1989-03-03 | 1989-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2387289U JPH02116593U (en) | 1989-03-03 | 1989-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116593U true JPH02116593U (en) | 1990-09-18 |
Family
ID=31243234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2387289U Pending JPH02116593U (en) | 1989-03-03 | 1989-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116593U (en) |
-
1989
- 1989-03-03 JP JP2387289U patent/JPH02116593U/ja active Pending
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