JPH0420808A - Level measuring apparatus - Google Patents
Level measuring apparatusInfo
- Publication number
- JPH0420808A JPH0420808A JP12493990A JP12493990A JPH0420808A JP H0420808 A JPH0420808 A JP H0420808A JP 12493990 A JP12493990 A JP 12493990A JP 12493990 A JP12493990 A JP 12493990A JP H0420808 A JPH0420808 A JP H0420808A
- Authority
- JP
- Japan
- Prior art keywords
- height
- light
- level
- laser
- light emitting
- 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 abstract description 24
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、構造物の不同沈下の計測なと、複数部位のレ
ベル変動を監視するレベル計測装置の改良に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an improvement in a level measuring device that measures uneven settlement of a structure and monitors level fluctuations at a plurality of locations.
(従来の技術)
建造物の不同沈下の計測など複数部位のレベルを計測す
る場合に、従来は水準器とスタン7による計測が広く行
われていた。また、近年では1メーザ尤線を照射する電
子レベルと、レーザ光線を受光する受光器とを用いて、
受光器の受光高さから受光器を配置した測点のレベルを
求める装置も使用されている。(Prior Art) When measuring the level of multiple parts, such as measuring uneven settlement of a building, measurement using a spirit level and a stun 7 has conventionally been widely used. In addition, in recent years, using an electronic level that emits a 1-maser likelihood line and a photodetector that receives a laser beam,
A device is also used that determines the level of a measurement point where a light receiver is placed from the light receiving height of the light receiver.
(発明の課題)
しかしながら、いずれの場合でも一点に据え付けた水準
器や電子レベルでは、障害物などのために総ての測点を
カバー8来ない場合が多く、そのような場合は水準器や
電子レベルを移動し、未計測の測点を既に計測されてい
る少なくとも一つの測点とともに計測し、所定の演算を
行って全測、克のレベルを求めていた。しかしながら、
このような計測方法は手間と時間がかかるという問題が
あった。(Problem to be solved by the invention) However, in any case, a spirit level or electronic level installed at one point often cannot cover all measurement points due to obstacles, etc. In such cases, the spirit level or electronic level is The electronic level was moved to measure unmeasured measurement points along with at least one measurement point that had already been measured, and predetermined calculations were performed to determine the total measurement level. however,
Such a measurement method has the problem of being laborious and time-consuming.
本発明は、以上の開運、つに鑑みてなされたもので、移
動せずに広い範囲のレベル測量が行えるしベル計測装置
を提供するを目的とする。The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a bell measuring device that can perform level surveying over a wide range without moving.
(課題を達成するための手段)
本発明は、異なる位置に配置され、旋回しながらレーザ
光線を水平方向に照射する複数のレーザ照射器と、各レ
ーザ照射器の周囲に設けた複数の側、りに各々配置され
た受光器と、これらの受光器の受光^さから各測点のレ
ベルを求める手段とを備えるとともに、これらの受光器
のうちに複数のレーザ照射器のレーザ光線を受光でさる
受光器を備え、前記レベルを求める手段が求めた各測点
のレベルをこの受光器の受光するレーザ光線の受光高さ
の差に基づき補正する手段を備えている。(Means for Achieving the Object) The present invention includes a plurality of laser irradiators arranged at different positions and irradiating laser beams in a horizontal direction while rotating, a plurality of sides provided around each laser irradiator, It is equipped with light receivers placed in each of the four light receivers and a means for determining the level at each measurement point from the light received by these light receivers, and a means for determining the level of each measuring point from the light received by these light receivers. The light receiver is provided with means for correcting the level at each measuring point determined by the level determining means based on the difference in the receiving height of the laser beam received by the light receiver.
(作用)
異なる位置に備えた複数のレーザ照射器からレーザ光線
を照射することにより、レーザ照射器を移動しなくても
金側1党の受光器がレーザ光線を受光する。(Function) By emitting laser beams from a plurality of laser irradiators provided at different positions, one light receiver on the gold side receives the laser beams without moving the laser irradiators.
また、補正手段は複数のレーザ照射器のレーザ光線を受
光する受光器の受光高さの違いから、レーザ照射器の照
射器さの違いを演算し、各計測点のレベルをこの演算結
果に基づき補正する。これにより、全測点のレベルが同
一水準点を起点としたレベルに統一される。In addition, the correction means calculates the difference in the height of the laser irradiator from the difference in the light receiving height of the light receiver that receives the laser beam of the plurality of laser irradiators, and calculates the level of each measurement point based on the calculation result. to correct. As a result, the levels of all survey points are unified to the same level starting from the same benchmark.
(実施例) 第1図〜第4図に本発明の実施例を示す。(Example) Embodiments of the present invention are shown in FIGS. 1 to 4.
第1図において、1Aと1Bは異なる位置に配置された
レーザ照射器であり、それぞれが第2図に示される発光
部2と水平調整部3と上下移動部4を備え、プラケント
5により第3図に示す建造物の基礎梁6に固定される。In FIG. 1, 1A and 1B are laser irradiators placed at different positions, each of which is equipped with a light emitting section 2, a horizontal adjustment section 3, and an up/down movement section 4 shown in FIG. It is fixed to the foundation beam 6 of the building shown in the figure.
発光部2は従来の電子レベルと同様のレーザ光線発射機
能と、水平1!4整部3の微小範囲の傾斜に対して光軸
を水平に維持する従来のオートレベルと同様の自動水平
維持機能とを備える。また、発光部2は旋回用の7クチ
ユエータと旋回角度を検出する旋回角度計とを備え、ア
クチュエータの駆動により水平W14983に対して3
60°水平旋回する。The light emitting section 2 has a laser beam emitting function similar to that of a conventional electronic level, and an automatic leveling function similar to a conventional auto level that maintains the optical axis horizontally against the slight slope of the horizontal 1!4 adjustment section 3. Equipped with. In addition, the light emitting unit 2 is equipped with 7 actuators for turning and a turning angle meter for detecting the turning angle, and the light emitting unit 2 is equipped with 7 actuators for turning and a turning angle meter for detecting the turning angle.
Turn 60° horizontally.
水平調整部3は直交する水平基準軸を起点に発光部2の
傾斜角度を各々調整するアクチュエータと、これらの傾
斜角度を計測する傾斜計または水準計とを備える。The horizontal adjustment section 3 includes actuators that adjust the inclination angles of the light emitting sections 2 from orthogonal horizontal reference axes, and an inclinometer or level meter that measures these inclination angles.
上下移動部4は発光部2を水平調整部3とともに昇降さ
せるアクチュエータと、発光部2の昇降位置を検出する
位置センサとを備える。The vertical movement section 4 includes an actuator that raises and lowers the light emitting section 2 together with the horizontal adjustment section 3, and a position sensor that detects the vertical position of the light emitting section 2.
なお、レーザ照射器IAと1Bはそれぞれ信号回路で後
述のコントローラ10に接続され、発光部2の昇降位置
、旋回角度及び傾斜角度が信号としてコントローラ10
に入力され、発光部2の水平旋回、傾斜角度の調整及び
昇降を行う各7クチユエータはコントローラ10から送
られる信号により制御1される。また、レーザ光線の発
射もコントa−210から送られる信号により制御され
る。The laser irradiators IA and 1B are each connected to a controller 10 (described later) through a signal circuit, and the vertical position, rotation angle, and tilt angle of the light emitting unit 2 are sent to the controller 10 as signals.
Each of the seven actuators, which horizontally rotate the light emitting section 2, adjust the inclination angle, and raise and lower the light emitting section 2, is controlled by a signal sent from the controller 10. Further, the emission of the laser beam is also controlled by a signal sent from the controller A-210.
一方、建造物の柱7の基部には受光器8が各々取り付け
られる。受光器3はそれぞれ信号回路でコントローラ1
0に接続される。受光器8はレーザ光線に反応するセン
サを垂直方向に数多く配置した受光部を備え、レーザ光
線を受光すると、受光したセンサの位置に対応する高さ
信号を信号回路を通じてコントローラ10に出力する。On the other hand, a light receiver 8 is attached to the base of each pillar 7 of the building. The receiver 3 is connected to the controller 1 by a signal circuit.
Connected to 0. The light receiver 8 includes a light receiving section in which a number of sensors that react to the laser beam are vertically arranged, and when the laser beam is received, it outputs a height signal corresponding to the position of the sensor that received the light to the controller 10 through the signal circuit.
なお、第4図に示す受光器8A〜8Dはレーザ照射器I
A1と1Bの両方のレーザ光線を受光できる位置に取り
付けられる。Note that the light receivers 8A to 8D shown in FIG. 4 are laser irradiators I.
It is installed at a position where it can receive both laser beams A1 and 1B.
コントローラ10は受光器8の受光高さから受光器8を
配置した測点のレベルを求める手段及びこのレベルを補
正する手段としてマイクロコンピュータで構成され、表
示部11とオペレータが命令を入力するための入力装置
とを備える。The controller 10 is composed of a microcomputer as a means for determining the level of the measurement point where the light receiver 8 is placed from the light receiving height of the light receiver 8 and a means for correcting this level. and an input device.
コントローラ10は入力装置を介して入力される命什に
応じてレーザ照射器IAとIBへ信号を出力し、各発光
部2を任意の高さに昇降させ、傾斜を水平に調整し、任
意の旋回角度に旋回させてレーザ光線を発射させる。The controller 10 outputs signals to the laser irradiators IA and IB in accordance with the command input via the input device, raises and lowers each light emitting unit 2 to an arbitrary height, adjusts the inclination horizontally, and Rotate to a rotation angle and emit a laser beam.
また、レーザ照射器IAとIBの両方のレーザ光線を受
光した受光器8から高さ信号が入力されると、これらの
入力信号からレーザ照射器IAと1Bの発光112の^
さの違いを演算し、この演算結果に基づき他の受光器8
から入力される高さ信号を補正して受光器8を設置した
各計測点のレベルを表示部11に表示する。Furthermore, when a height signal is input from the light receiver 8 that has received the laser beams of both the laser irradiators IA and IB, the light emission 112 of the laser irradiators IA and 1B is determined based on these input signals.
Based on this calculation result, other light receivers 8
The level at each measurement point where the light receiver 8 is installed is displayed on the display section 11 by correcting the height signal input from the sensor.
次に作用を説明する。Next, the action will be explained.
このレベル計測装置を使用する場合は、まずオペレータ
が入力装置への命令入力により、レーザ照射器1AとI
Bの上下移動部3を駆動して発光部2を昇降させ、発射
されるレーザ光線の高さが受光可能なすべての受光器8
の受光範囲に収まるようにする。When using this level measuring device, the operator first inputs a command to the input device to connect the laser irradiator 1A and
The vertical moving part 3 of B is driven to raise and lower the light emitting part 2, and the height of the emitted laser beam is set to all the light receivers 8 that can receive the emitted laser beam.
so that it falls within the light receiving range.
次に、オペレータは水平調整部3に備えた傾斜計からコ
ントローラ10に入力される傾斜角度信号がゼロになる
ように、入力装置に命令を入力して水平調整部3を駆動
し、発光部2の傾きを水平に1itqする。Next, the operator inputs a command to the input device to drive the horizontal adjustment section 3 so that the inclination angle signal input from the inclinometer provided in the horizontal adjustment section 3 to the controller 10 becomes zero, and drives the light emitting section 2. 1 itq horizontally.
そして、入力装置への命令入力により発光部2に備えた
アクチュエータを駆動し、発光部2を水平旋回させつつ
、発光部2からレーザ光線を発射させる。なお、この時
発光部2の自動水平維持機能が働くので、発射されるレ
ーザ光線の水平は高い精度で維持される。Then, an actuator provided in the light emitting section 2 is driven by inputting a command to the input device, causing the light emitting section 2 to emit a laser beam while horizontally rotating the light emitting section 2. At this time, since the automatic leveling function of the light emitting unit 2 is activated, the leveling of the emitted laser beam is maintained with high precision.
一方、各受光部8はレーザ光線が入光すると、受光高さ
に応じた高さ信号をコントローラ10に入力する。この
高さ信号は受光器8を配置した各計測点のレベルに対応
したものとなるが、レーザ照射部1AとIBではレーザ
発光部2の昇降位置が必ずしも同一でないため、第4図
に示すように領域(1)内の測点と領域(II)内の測
点のレベルには相関性がない。On the other hand, each light receiving section 8 inputs a height signal corresponding to the light receiving height to the controller 10 when the laser beam is incident thereon. This height signal corresponds to the level of each measurement point where the light receiver 8 is arranged, but since the vertical position of the laser emitting section 2 is not necessarily the same between the laser irradiating sections 1A and IB, as shown in FIG. There is no correlation between the levels of stations in area (1) and stations in area (II).
しかしながら、領域(1)と領域(It)の境界付近に
存在する受光器8A〜8Dにはレーザ照射器IAと1B
の両方のレーザ光線が入光する。そこで、コントローラ
10は例えば受光器8Aから信号入力される2種類のレ
ベルの差を演算し、レーザ照射器IAとIBの発光部2
の高さの差を検出する。However, the laser irradiators IA and 1B are located on the receivers 8A to 8D near the boundary between region (1) and region (It).
Both laser beams are incident. Therefore, the controller 10 calculates the difference between two types of levels inputted from the light receiver 8A, and calculates the difference between the two types of levels that are inputted from the light receiver 8A, and
Detect the difference in height.
そして、領域(I)の受光器8から入力される高さ信号
については、信号に対応するレベルの数値を表示装置1
1にそのまま表示する一方、領域(■)の受光器8から
入力される高さ信号については、高さ信号に対応するレ
ベルの値を検出された発光部2の高さの差に応じて補正
した上で、表示装!11に表示する。このため、得られ
たレベルは領域(1)と(I[)を問わず、すべてレー
ザ照射器IAを基準としたレベルとなる。Regarding the height signal inputted from the light receiver 8 in the area (I), the numerical value of the level corresponding to the signal is displayed on the display device 1.
1 is displayed as is, while the height signal input from the light receiver 8 in the area (■) is corrected according to the detected height difference of the light emitting unit 2, and the level value corresponding to the height signal is corrected. After that, display! 11. Therefore, the obtained levels are all based on the laser irradiator IA, regardless of region (1) or (I[).
このようにして、すべての計測点のレベルが計測される
が、レーザ照射器IAとIBはブラケット5により基礎
梁6に固定され、移動する必要がないので、計測作業は
短時間で効率良く行われる。In this way, the levels at all measurement points are measured, but since the laser irradiators IA and IB are fixed to the foundation beam 6 by the bracket 5 and do not need to be moved, the measurement work can be carried out in a short time and efficiently. be exposed.
なお、この実施例では2台のレーザ照射器IAとIBを
使用しているが、計測範囲の広さに応じてレーザ照射器
の数を増やすことが可能である。Although two laser irradiators IA and IB are used in this embodiment, the number of laser irradiators can be increased depending on the width of the measurement range.
(発明の効果)
以上のように、本発明は複数のレーザ照射器から照射さ
れたレーザ光線を受光できる受光器と、検出した各測点
のレベルをこの受光器のレーザ光線の受光高さの違いに
基づき補正する手段とを備えたので、得られるレベルは
全測点に渡って同一水準点に基づくものとなり、広い計
測範囲に数多くの測、克が存在するような場合でもレベ
ル計測を効率良く短時間で行うことができる。(Effects of the Invention) As described above, the present invention provides a light receiver that can receive laser beams irradiated from a plurality of laser irradiators, and a level at each detected measurement point that is determined by the receiving height of the laser beam of this light receiver. Since it is equipped with a means for correcting based on differences, the obtained level is based on the same benchmark across all measurement points, making level measurement more efficient even when there are many measurements over a wide measurement range. It can be done well and in a short time.
第1図は本発明の実施例を示すレベル計測装置の概略の
斜視図、第2図はレーザ照射器の側面図、第3図はレベ
ル計測装置の配置状態を示す建造物基部の側面図、第4
図はレーザ照射器と受光器との位置関係を示す平面図で
ある。
I A、I B・・・レーザ照射器、2・・・発光部、
3・・・水平調整部、4・・・上下調整部、8・・・受
光部、10・・コントローラ。
特許出願人 カヤバエ業株式会社(外1名ン
岱“FIG. 1 is a schematic perspective view of a level measuring device showing an embodiment of the present invention, FIG. 2 is a side view of a laser irradiator, and FIG. 3 is a side view of a building base showing the arrangement of the level measuring device. Fourth
The figure is a plan view showing the positional relationship between a laser irradiator and a light receiver. IA, IB...Laser irradiator, 2...Light emitting part,
3... Horizontal adjustment section, 4... Vertical adjustment section, 8... Light receiving section, 10... Controller. Patent applicant: Kayabae Gyo Co., Ltd. (1 other person)
Claims (1)
方向に照射する複数のレーザ照射器と、各レーザ照射器
の周囲に設けた複数の測点に各々配置された受光器と、
これらの受光器の受光高さから各測点のレベルを求める
手段とを備えるとともに、これらの受光器のうちに複数
のレーザ照射器のレーザ光線を受光できる受光器を備え
、前記レベルを求める手段が求めた各測点のレベルをこ
の受光器の受光するレーザ光線の受光高さの差に基づき
補正する手段を備えたことを特徴とするレベル計測装置
。A plurality of laser irradiators arranged at different positions and irradiating laser beams in a horizontal direction while rotating; and receivers respectively arranged at a plurality of measurement points provided around each laser irradiator;
means for determining the level of each measurement point from the light receiving height of these light receivers, and a light receiver capable of receiving laser beams from a plurality of laser irradiators among these light receivers, and means for determining the level. 1. A level measuring device comprising means for correcting the level at each measurement point determined by the receiver based on the difference in the receiving height of a laser beam received by the light receiver.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12493990A JPH0420808A (en) | 1990-05-15 | 1990-05-15 | Level measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12493990A JPH0420808A (en) | 1990-05-15 | 1990-05-15 | Level measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0420808A true JPH0420808A (en) | 1992-01-24 |
Family
ID=14897930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12493990A Pending JPH0420808A (en) | 1990-05-15 | 1990-05-15 | Level measuring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0420808A (en) |
-
1990
- 1990-05-15 JP JP12493990A patent/JPH0420808A/en active Pending
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