JPS62238409A - Position measuring method for cylindrical structure - Google Patents
Position measuring method for cylindrical structureInfo
- Publication number
- JPS62238409A JPS62238409A JP8281386A JP8281386A JPS62238409A JP S62238409 A JPS62238409 A JP S62238409A JP 8281386 A JP8281386 A JP 8281386A JP 8281386 A JP8281386 A JP 8281386A JP S62238409 A JPS62238409 A JP S62238409A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical structure
- measuring
- measured
- azimuth
- respect
- 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
- 238000000034 method Methods 0.000 title claims description 14
- 238000009434 installation Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 101150069512 RHO1 gene Proteins 0.000 abstract 1
- 101150012845 RHO2 gene Proteins 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は円筒構造物の位置測定方法に係り、特に、円筒
構造物の水平外方の遠隔地から外周面上の位置を測定す
る方法に関する。DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" The present invention relates to a method for measuring the position of a cylindrical structure, and particularly relates to a method for measuring a position on the outer circumferential surface of a cylindrical structure from a remote location horizontally outward. .
「従来の技術及びその問題点」
タンク等の円筒構造物の立設後に、追加工事等により周
壁にノズル等の付属品を取り付ける場合、図面上で決定
した取り付は位置を実際に測定して円筒構造物にマーキ
ングする必要がある。"Prior art and its problems" When installing accessories such as nozzles on the surrounding wall through additional construction after the erection of a cylindrical structure such as a tank, the installation determined on the drawings must be done by actually measuring the position. It is necessary to mark the cylindrical structure.
従来、円筒構造物の取り付は位置等を測定する場合、該
円筒構造物に予め設定されている基準方位線に対して取
り付は位置等の方位角を図面上で指定しておき、円筒構
造物内の曲率中心位置からトランシット等を使用して指
定方位角を計測することにより、取り付は位置等を割り
出すことが行なわれている。Conventionally, when installing a cylindrical structure, when measuring the position, etc., the azimuth angle of the position etc. is specified on the drawing with respect to the reference azimuth line set in advance for the cylindrical structure. The installation position is determined by measuring the specified azimuth angle from the center of curvature within the structure using a transit device or the like.
しかしながら、このような測定方法であると、円筒構造
物の中に油、ガス等が充満していて立ち入りできない場
合、あるいは円筒構造物の曲率中心位置に他の構造物が
配設されている場合などには、測定することができなく
なるという問題点がある。However, this measurement method cannot be used when the cylindrical structure is filled with oil, gas, etc. and cannot be accessed, or when another structure is located at the center of curvature of the cylindrical structure. etc., there is a problem that it becomes impossible to measure.
「発明の目的とその達成手段」
本発明は前記問題点を有効に解決するもので、円筒構造
物の外方から測定する方法の提供を目的としており、こ
の目的を達成するため、円筒構造物から水平外方に離間
する位置にジャイロコンパスおよび距離計を設置してお
き、該設置位置を原点として円筒構造物の外周面におけ
る周方向に沿う任意の三箇所についての極座標距離およ
び真北方向に対する方位角をそれぞれ計測するとともに
、これら計測値に基づき円筒構造物の曲率中心位置と外
径とを算出し、これら算出結果と、基準方位線の真北方
向に対する角度差および指定方位角との演算により、被
測定位置を割り出して、ジャイロコンパスおよび距離計
により計測して決定することを特徴とし、円筒構造物外
方の遠隔地からの計測と、該計測値に基づく演算とによ
り被測定位置を決定するようにしたものである。"Objects of the invention and means for achieving the same" The present invention effectively solves the above-mentioned problems, and aims to provide a method for measuring from the outside of a cylindrical structure. A gyro compass and a rangefinder are installed at a position horizontally outward from the center, and the polar coordinate distances and due north direction of any three points along the circumferential direction on the outer circumferential surface of the cylindrical structure are calculated using the installation position as the origin. In addition to measuring each azimuth angle, the center of curvature position and outer diameter of the cylindrical structure are calculated based on these measured values, and these calculation results are used to calculate the angular difference between the reference azimuth line and the due north direction and the designated azimuth angle. The method is characterized in that the position to be measured is calculated and determined using a gyro compass and a distance meter, and the position to be measured is determined by measurement from a remote location outside the cylindrical structure and calculation based on the measured value. It was decided to do so.
「実施例」
以下、本発明における円筒構造物の位置測定方法の一実
施例を図面に基づいて説明する。"Example" Hereinafter, an example of the method for measuring the position of a cylindrical structure according to the present invention will be described based on the drawings.
先に、本発明の方法を実施するために使用される測定装
置について説明すると、該測定装置ｌは、本出願人が先
４に出願した実願昭５８−１９２４７０号の「方位角測
定装置」等を適用したもので、第１図に示すように、ジ
ャイロコンパス２と距離計３とを有しているとともに、
これらの計測値に基づき後述するような演算等を行なう
中央処理装置４が連設されている。ジャイロコンパス２
は、指北性を持つ指示針を有していて、該指示針が示す
真北方向Ｎに対する被測定位置の方位角を計測するよう
になっており、水平レベル調整機構等を備えている。First, the measuring device used to carry out the method of the present invention will be explained. The measuring device l is the "Azimuth angle measuring device" of Utility Application No. 1982-192470, which was previously filed by the present applicant. As shown in FIG. 1, it has a gyro compass 2 and a distance meter 3, and
A central processing unit 4 that performs calculations as will be described later based on these measured values is connected. Gyro compass 2
The instrument has a pointer with north pointing properties, is adapted to measure the azimuth angle of the position to be measured with respect to the due north direction N indicated by the pointer, and is equipped with a horizontal level adjustment mechanism and the like.
また、距離計３は、光波やレーザー光、あるいは超音波
等を利用して被測定位置まで；直線距離を遠隔計測する
もので、ジャイロコンパス２に、前記指示針の回転中心
からの距離を計測するようにかっ水平回転自在に取り付
けられている。中央処理装置４は、ジャイロコンパス２
と距離計３とから入力される計測値を演算して、該演算
値をプリンタ４ａで表示するようになっている。The distance meter 3 uses light waves, laser light, ultrasonic waves, etc. to remotely measure the straight distance to the measurement point, and the gyro compass 2 measures the distance from the center of rotation of the indicator needle. It is mounted so that it can be rotated horizontally. The central processing unit 4 includes a gyro compass 2
The measured values input from the distance meter 3 and the distance meter 3 are calculated, and the calculated values are displayed on the printer 4a.
次に、このような測定装置ｌを使用して、立設状態の円
筒構造物５における基準方位線Ｔｎに対して指定方位角
θａ離れた外周□面上の位置Ｘを測定する方法について
説明する。Next, a method of measuring a position X on the outer circumference □ surface at a specified azimuth angle θa with respect to the reference azimuth line Tn in the erected cylindrical structure 5 using such a measuring device l will be explained. .
まず、第１図に示すように前記測定装置１を円筒構造物
５の水平外方の任意位置に設置して、水平レベルに固定
し、ジャイロコンパス２を起動させて静定状態とする。First, as shown in FIG. 1, the measuring device 1 is installed at an arbitrary position horizontally outside the cylindrical structure 5, fixed at a horizontal level, and the gyro compass 2 is activated to bring it into a static state.
そして、該測定装置ｌの設置位置を極座標の原点として
、第２図に示す円筒構造物５の外周面上の周方向に沿う
任意の三箇所Ａ−Ｂ−Ｃについて、真北方向Ｎに対する
方位角θ１、θ２、θ３をジャイロコンパス２により、
また水平直線距離（極座標距離）ρ１、ρ１、ρ、を距
離計３によりそれぞれ計測する。次いで、これらの計測
値に基づき、円筒構造物５の曲率中心Ｐする方位角θ０
と、円筒構造物５の外径りとを次のように算出する。Then, with the installation position of the measuring device 1 as the origin of the polar coordinates, the orientation with respect to the due north direction N at arbitrary three points A-B-C along the circumferential direction on the outer peripheral surface of the cylindrical structure 5 shown in FIG. The angles θ1, θ2, θ3 are determined by the gyro compass 2.
Further, horizontal straight distances (polar coordinate distances) ρ1, ρ1, ρ are respectively measured by the distance meter 3. Next, based on these measured values, the azimuth angle θ0 of the center of curvature P of the cylindrical structure 5 is determined.
and the outer diameter of the cylindrical structure 5 are calculated as follows.
すなわち、円の極方程式は
ρ′−２ρ０ρｃｏｓ（θ°−θｏ’ ） ＋ ｐ ６
″−（Ｄ／２） ’ ＝ ０であるが、測定装置■によ
り計測した方位角は真北方向Ｎに対する角度であるから
、θ°＝（π／２）−〇、θ。°＝（π／２）−〇。と
なり、これを上式に代入すると、
ρ”−２ρｏｐ ｃｏｓ（θ。−θ）＋ ／） ｏ”
（Ｄ／２）”＝ ０となる。この極方程式を各測定点
Ａ（ρ１．θ１゛）、Ｂ（ρ−，ｏｔ’）、Ｃ（ρ５．
θ３°）についてそれぞれ求めると、
ρ１１−２ρ０ρ＋ｃｏｓ（θ０−θＩ）＋ρｏ”−（
Ｄ／２）’＝ 。That is, the polar equation of the circle is ρ′−2ρ0ρcos(θ°−θo′) + p 6
″−(D/2)′ = 0, but since the azimuth angle measured by measuring device ■ is the angle with respect to the due north direction N, θ°=(π/2)−〇, θ.°=(π /2)-〇.So, by substituting this into the above formula, we get ρ”-2ρop cos(θ.-θ)+ /) o”
(D/2)" = 0. This polar equation can be expressed as each measurement point A (ρ1.θ1゛), B (ρ-, ot'), C (ρ5.
θ3°), ρ11−2ρ0ρ+cos(θ0−θI)+ρo”−(
D/2)'= .
ρ＊” ２ρｏρｔｃｏｓ（θ。−θ＊） ＋ ρｏ
” （Ｄ／２）”＝ ０９３”−２９ｏｐ ａｃｏｓ
（θ。−θｓ） ＋ ρｏ’ （Ｄ／２）”＝ ０と
なり、これらの式から
Ｂ 。＝ ｊａｎ−＋（ニー Ｕ ｅ０８θ１＋βｃｏ
ｓθ、＋７ｃｏｓθ３ｉ２８１゜、ヤ 、１□ ＊＋７
８１゜。）γ＝ρ、（ρ２−ρ、８）
がそれぞれ求められる。ρ*” 2ρoρtcos(θ.−θ*) + ρo
"(D/2)"=093"-29op acos
(θ.-θs) + ρo'(D/2)"= 0, and from these equations, B.=jan-+(nee U e08θ1+βco
sθ, +7cosθ3i281°, 1□ *+7
81°. ) γ=ρ, (ρ2−ρ, 8) are obtained, respectively.
次に、これらθ。、ρ。、Ｄと、設計段階で予め設定し
ておいた円筒構造物５の基準方位線Ｔｎにおける真北方
向Ｎとの角度差θｎ、基準方位線Ｔｎからの指定方位角
θａとにより、被測定位置Ｘについての真北方向Ｎに対
する方位角θＸおよび極座標距離ρＸをそれぞれ求める
。すなわち、第３図に示すように、
ｓｉｎθｂ
θｙ＝ｊａｎ’（１つ、工１、□ア、）θｂ＝（θａ十
θｎ）−（θ０＋π）
の関係にあり、これらθｙ、θｂによりθＸ＝θｏ
ＯＹ
Ｄ ５ｉｎＯｂ
ρ”” Ｔ−’ ｓｒ日了
となる。Next, these θ. , ρ. . The azimuth angle θX and the polar coordinate distance ρX with respect to the due north direction N are determined respectively. That is, as shown in Fig. 3, there is a relationship of sin θb θy = jan' (1, work 1, □a,) θb = (θa + θn) - (θ0 + π), and with these θy and θb, θX = θo
OY D 5inOb ρ""T-' sr will end.
このような演算を前記中央処理装置４で行ない、必要に
応じて前記θ。、ρ。、Ｄの各データをプリンタ４ａて
表示しなから、最終データθＸ、ρＸを表示する。そし
て、これらθＸ、ρＸをジャイロコンパス１および距離
計２により実測して、円筒構造物５における外周面上の
位置Ｘを決定するものである。Such calculations are performed by the central processing unit 4, and the θ is adjusted as necessary. , ρ. , D are displayed on the printer 4a, and then the final data θX and ρX are displayed. Then, these θX and ρX are actually measured using the gyro compass 1 and the distance meter 2 to determine the position X on the outer peripheral surface of the cylindrical structure 5.
なお、被測定位置の高さ方向の位置は、予め被測定位置
の指定高さ寸法に測定装置ｌの計測点を合わせておくか
、あるいは測定装置ｌにより測定して得た位置を該測定
装置ｌの高さに応じて補正することにより、求めること
ができる。Note that the height direction position of the position to be measured can be determined by aligning the measurement point of the measuring device l with the specified height dimension of the measuring position in advance, or by adjusting the position obtained by measuring with the measuring device l. It can be determined by correcting according to the height of l.
「発明の効果」
以上説明したように、本発明における円筒構造物の位置
測定方法によれば、円筒構造物の水平外方位置にジャイ
ロコンパスと距離計とを設置しておき、該設置位置を極
座標の原点として円筒構造物外周面上の任意の三箇所に
ついての方位角と距離とを計測し、これらの計測値に基
づき算出した曲率中心位置と外径とから比較的簡単な演
算により被測定位置を割り出すことができ、かつその位
置をジャイロコンパスと距離計、とにより実際に計測し
て円筒構造物にマーキング等を行なうことができる。し
たがって、円筒構造物の内部への立ち入りを伴わずに遠
隔地から測定し得て、該円筒構造物内部での計測が困難
である場合に有効に実施することができるとと乙に、水
平外方の任意の位置から測定を行ない得て、測定条件の
制限が少なくなり、各種の円筒構造物に適用することが
できるという効果を奏する。"Effects of the Invention" As explained above, according to the method for measuring the position of a cylindrical structure according to the present invention, a gyro compass and a rangefinder are installed at a horizontally outward position of the cylindrical structure, and the installed position is The azimuth and distance of three arbitrary points on the outer circumferential surface of the cylindrical structure are measured as the origin of the polar coordinates, and the curvature center position and outer diameter calculated based on these measured values are used to calculate the measured value using relatively simple calculations. The position can be determined, and the position can be actually measured using a gyro compass and a distance meter to mark the cylindrical structure. Therefore, we hope that measurements can be taken from a remote location without entering the inside of a cylindrical structure, and that it can be carried out effectively when it is difficult to measure inside the cylindrical structure. The present invention has the advantage that measurement can be performed from any arbitrary position on the body, there are fewer restrictions on measurement conditions, and it can be applied to various cylindrical structures.
図面は本発明における円筒構造物の位置測定方法の一実
施例を示すもので、第１図は本発明の測定方法を実施す
るために使用される測定装置の一例を示す概略図、第２
図および第３図は計測値の演算方法を説明するために示
した第１図の極座標図である。
１・・・・・・測定装置、２・・・・・・ジャイロコン
パス、３・・・・・・距離計、４・・・・・中央処理装
置、４ａ・・・・・・プリンタ、５・・・・・・円筒構
造物。
第３図The drawings show an embodiment of the method for measuring the position of a cylindrical structure according to the present invention, and FIG.
The figure and FIG. 3 are polar coordinate diagrams of FIG. 1 shown for explaining the method of calculating measured values. 1... Measuring device, 2... Gyro compass, 3... Distance meter, 4... Central processing unit, 4a... Printer, 5・・・・・・Cylindrical structure. Figure 3
Claims (1)
方位角離れた外周面上の位置を測定する方法であって、
円筒構造物から水平外方に離間する位置にジャイロコン
パスおよび距離計を設置しておき、該設置位置を原点と
して円筒構造物の外周面における周方向に沿う任意の三
箇所についての極座標距離および真北方向に対する方位
角をそれぞれ計測するとともに、これら計測値に基づき
円筒構造物の曲率中心についての極座標距離および真北
方向に対する方位角と、円筒構造物の外径とを算出し、
これら算出結果と、前記基準方位線の真北方向に対する
角度差および前記指定方位角とにより、被測定位置につ
いての極座標距離および真北方向に対する方位角を割り
出し、これら極座標距離および方位角を前記ジャイロコ
ンパスおよび距離計により計測して被測定位置を決定す
ることを特徴とする円筒構造物の位置測定方法。A method of measuring a position on an outer circumferential surface of a cylindrical structure in an upright state at a specified azimuth angle from a reference azimuth line, the method comprising:
A gyro compass and a distance meter are installed at a position horizontally away from the cylindrical structure, and polar coordinate distances and true values are calculated at any three points along the circumferential direction on the outer circumferential surface of the cylindrical structure, using the installation position as the origin. While measuring the azimuth angle relative to the north direction, based on these measured values, calculate the polar coordinate distance about the center of curvature of the cylindrical structure, the azimuth angle relative to the true north direction, and the outer diameter of the cylindrical structure,
Based on these calculation results, the angular difference of the reference azimuth line with respect to the due north direction, and the specified azimuth, the polar coordinate distance and azimuth with respect to the due north direction for the measured position are determined, and these polar coordinate distances and azimuth are calculated using the gyro. A method for measuring the position of a cylindrical structure, characterized in that the position to be measured is determined by measuring with a compass and a distance meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8281386A JPH0754255B2 (en) | 1986-04-10 | 1986-04-10 | Position measurement method for cylindrical structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8281386A JPH0754255B2 (en) | 1986-04-10 | 1986-04-10 | Position measurement method for cylindrical structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62238409A true JPS62238409A (en) | 1987-10-19 |
| JPH0754255B2 JPH0754255B2 (en) | 1995-06-07 |
Family
ID=13784846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8281386A Expired - Lifetime JPH0754255B2 (en) | 1986-04-10 | 1986-04-10 | Position measurement method for cylindrical structures |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754255B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145668A (en) * | 1994-11-16 | 1996-06-07 | Nec Corp | Scanning laser survey system |
| JP2003106838A (en) * | 2001-09-28 | 2003-04-09 | Nikon Geotecs Co Ltd | Surveying instrument, method for surveying and surveying program |
| JP2013217807A (en) * | 2012-04-10 | 2013-10-24 | Keisoku Net Service Kk | Optical device and measurement method using the same |
| JP2016035653A (en) * | 2014-08-01 | 2016-03-17 | 株式会社大林組 | Movement control device, movement control method, movement control program, and target member for use in the same movement control method |
| EP3249352A4 (en) * | 2015-11-25 | 2018-10-17 | Kumonos Corporation | Optical device, focal plate incorporated in optical device, and measuring method using optical device |
| CN113251885A (en) * | 2021-03-31 | 2021-08-13 | 山西阳煤化工机械（集团）有限公司 | Gasification furnace cylindrical shell reference azimuth line correction method |
-
1986
- 1986-04-10 JP JP8281386A patent/JPH0754255B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145668A (en) * | 1994-11-16 | 1996-06-07 | Nec Corp | Scanning laser survey system |
| JP2003106838A (en) * | 2001-09-28 | 2003-04-09 | Nikon Geotecs Co Ltd | Surveying instrument, method for surveying and surveying program |
| JP2013217807A (en) * | 2012-04-10 | 2013-10-24 | Keisoku Net Service Kk | Optical device and measurement method using the same |
| JP2016035653A (en) * | 2014-08-01 | 2016-03-17 | 株式会社大林組 | Movement control device, movement control method, movement control program, and target member for use in the same movement control method |
| EP3249352A4 (en) * | 2015-11-25 | 2018-10-17 | Kumonos Corporation | Optical device, focal plate incorporated in optical device, and measuring method using optical device |
| CN113251885A (en) * | 2021-03-31 | 2021-08-13 | 山西阳煤化工机械（集团）有限公司 | Gasification furnace cylindrical shell reference azimuth line correction method |
| CN113251885B (en) * | 2021-03-31 | 2022-09-27 | 山西阳煤化工机械（集团）有限公司 | Gasification furnace cylindrical shell reference azimuth line correction method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0754255B2 (en) | 1995-06-07 |
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