JPH0385517U - - Google Patents
Info
- Publication number
- JPH0385517U JPH0385517U JP14587889U JP14587889U JPH0385517U JP H0385517 U JPH0385517 U JP H0385517U JP 14587889 U JP14587889 U JP 14587889U JP 14587889 U JP14587889 U JP 14587889U JP H0385517 U JPH0385517 U JP H0385517U
- Authority
- JP
- Japan
- Prior art keywords
- staff
- scale
- reflectors
- tunnel
- measurement
- 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
- 238000005259 measurement Methods 0.000 claims description 4
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
第1図は本考案の一実施例を示す斜視図、第2
図は第1図の−線断面図である。
図中、1……トンネル方位測定用スタツフ、2
……スタツフ本体、3……スケールスタツフ、5
……反射ターゲツト、6……水平器、8a……テ
ーパ着座面である。
Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a sectional view taken along the line -- in FIG. In the figure, 1... Tunnel orientation measurement staff, 2
...Statusf body, 3...Scale stats, 5
. . . reflective target, 6 . . . level, 8a . . . tapered seating surface.
Claims (1)
ント内面に水平方向に且つ弦方向に沿つて掛け渡
されるスタツフの少なくとも両端下部に、上記内
面に係合して着座させるためのテーパ着座面を形
成すると共に、上記スタツフの測定側面の両端及
び中央位置にレーザトランシツトの測定光に感応
するリフレクタを設けたトンネル測定用スタツフ
において、上記スタツフを、先端側同一位置に上
記リフレクタがそれぞれ設けられ、かつそのリフ
レクタの中心から長手方向に長さ目盛が形成され
た一対のスケールスタツフと、これらスケールス
タツフを弦方向両端側へ出没自在に係合させるた
めのスタツフ本体とで形成し、上記スタツフ本体
の長手方向中央位置に上記リフレクタを設け、上
記スケールスタツフ及びスタツフ本体のいずれか
に水平器を設けたことを特徴とするトンネル方位
測定用スタツフ。 A tapered seating surface is formed at least at the bottom of both ends of the stud, which extends horizontally and along the chordal direction on the inner surface of the cylindrical segment that substantially defines the tunnel wall, for engaging and seating the inner surface. , in a tunnel measurement staff provided with reflectors sensitive to the measurement light of the laser transit at both ends and at the center of the measurement side surface of the staff, the above-mentioned staff is provided with the reflectors at the same position on the tip side, and the reflectors are A pair of scale studs each having a length scale formed in the longitudinal direction from the center thereof, and a stud body for engaging these scale studs so as to be freely protrusive and retractable toward both ends in the chordal direction, A staff for measuring tunnel direction, characterized in that the reflector is provided at a position, and a level is provided on either the scale staff or the staff main body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14587889U JPH0385517U (en) | 1989-12-20 | 1989-12-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14587889U JPH0385517U (en) | 1989-12-20 | 1989-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0385517U true JPH0385517U (en) | 1991-08-29 |
Family
ID=31692501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14587889U Pending JPH0385517U (en) | 1989-12-20 | 1989-12-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0385517U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5830810B2 (en) * | 1975-08-14 | 1983-07-01 | ミカドカコウ カブシキガイシヤ | How to make a film |
JPS6350012B2 (en) * | 1980-02-18 | 1988-10-06 | Asulab Sa |
-
1989
- 1989-12-20 JP JP14587889U patent/JPH0385517U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5830810B2 (en) * | 1975-08-14 | 1983-07-01 | ミカドカコウ カブシキガイシヤ | How to make a film |
JPS6350012B2 (en) * | 1980-02-18 | 1988-10-06 | Asulab Sa |