JP3122862B2 - Steel column installation measurement system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measuring system applied to a work of installing a steel column in a steel-frame construction work from a low-rise building to a high-rise building.

[0002]

2. Description of the Related Art Conventionally, in steel-framed construction such as high-rise buildings, a standard allowable error for the collapse of a steel column has been determined by the Architectural Institute of Japan and the steel frame accuracy inspection standard. For this reason, when installing a steel column to install it vertically, a plumb bob or a vertical girder is installed on the steel column head, and the dimensions of the steel column head and legs are measured and modified. It is measured by two transits installed at right angles to each other.

[0003] However, in the above-mentioned conventional methods using a down swing or a vertical girder, there is a limit to the height at which measurement can be performed, which is difficult in a high-rise building. It takes time,
There is a problem that the measurement accuracy is poor due to the influence of wind and the like.

Further, in the above-mentioned method using two transits, surveying an opponent who is moving by transit requires experience and a problem of a surveyor's error. Because transit surveys are performed at each stage of progress such as final tightening, the work is complicated, and it is necessary for workers and surveyors who build steel columns to give instructions and confirmations verbally and proceed with the work. It has a problem that it requires familiarity.

Further, in a high-rise building, a reference point, which is a known coordinate on the ground, needs to be changed upward at every node (height of about three floors). There is a problem that the property is reduced.

In order to solve the above-mentioned problem, the present inventor disclosed in Japanese Patent Laid-Open No. 4-69515 a method of measuring the verticality of a steel column by combining a laser measuring instrument and a microcomputer instead of a measuring method using two transits. We propose a measurement system that enables high accuracy and labor saving.

Referring to FIG. 7, a turntable 1 and a laser oscillator 2 are installed at two reference points on a reference floor L. The device 4 is installed. The turntable 1 corrects the measurement accuracy in the vertical direction. The light receiver 3 calculates measurement parameters such as the swing width, the brightness of the laser light, and the measurement area by searching the trajectory of the laser light R, and outputs the calculated parameters to the arithmetic processing device 4. The arithmetic processing unit 4 includes the light receiver 3
Receiving the position data of the laser light R from the
Performs analysis such as calculation of the center of gravity, compares the known coordinates of the reference point of the reference floor L with the position coordinates of the building floor M received by the light receiver 3, and displays the deviation from the known coordinates in the X and Y directions on the screen. And output to the printer. Based on the result, the steel column is corrected for installation, and the reference point set on the reference floor L is moved to the building floor M (measurement 1).

Next, on the building floor M, the mirror 5 is installed at the position of the two light receivers 3 and the three-dimensional surveying device 6 is installed at an arbitrary position, and the three-dimensional surveying device 6 is connected to the personal computer 7. I do. The coordinates of the reference point and the set coordinates of the steel column are stored in the personal computer 7 in advance. By collimating the mirror 5 using the three-dimensional surveying device 6, the building floor M
The position of the three-dimensional surveying device 6 is calculated by the personal computer 7 from the reference point (measurement 2). Next, the mirror 9 is set on the steel column 8 and collimated by the three-dimensional surveying device 6 to measure the coordinate value of the steel column 8 (measurement 3). The measured data is displayed on the personal computer 7, and the verticality of the steel column 8 can be corrected based on the data.

[0009]

However, according to the method disclosed in Japanese Patent Laid-Open No. 4-69515, when the verticality of the steel column 8 is corrected, for example, when the steel column 8 is moved in the X direction, the steel column 8 is moved in the Y direction. The displacement occurs, and when the displacement in the Y direction is corrected, the displacement occurs in the X direction. This correction needs to be performed several times. Each time, the mirror 9 is collimated by the three-dimensional surveying device 6 and the steel column 8 is corrected. Has to be measured, and it takes a long time for the installation work.

In addition, there is a problem that the work of attaching the mirror 9 to the steel column 8 is a work at a high place, and the three-dimensional surveying device 6 needs to be moved depending on the position of the steel column 8 to be measured. In addition, there is a problem that it takes time to accurately attach the mirror 9 to the three-dimensional surveying device 6.

In order to solve this problem, the present applicant has
Japanese Patent Application Laid-Open No. Hei 4-27817 discloses a design seat for a steel column.
With laser oscillator installed at the mark position and capital of steel column
A receiver fixed to the vicinity, and a communication cable connected to the receiver
An operation confirmation device connected to the
Laser light from the detector is detected by the light receiver and the calculation is performed.
In the confirmation device, from the design coordinate position of the capital of the steel column
Of a steel column installation measurement system that displays the displacement
ing. However, in this method, the deviation is simply
Displayed on the screen, it is difficult for workers to confirm.
And the steel columns are installed one by one and measured.
There is a problem that must be. The present invention
It is an object of the present invention to solve the above-mentioned conventional problem and to provide a steel column installation measurement system capable of easily measuring the verticality at the time of steel column installation work.

[0012]

According to the present invention, there is provided a steel column installation measuring system according to claim 1 of the present invention.
A steel column 8, a laser oscillator 11 installed at a design coordinate position of the steel column, a light receiver 12 detachably fixed near the column head of the steel column, and communication with the light receiver Calculation confirmation device 15 connected via cable 13
And a plurality of light emitting diodes provided in the operation confirmation device.
And a LED display section 19 in which the laser beam from the laser oscillator is detected by the photodetector. In the calculation confirmation device, the deviation of the column head of the steel column from the design coordinate position is provided. Calculate the amount and calculate the deviation
Characterized by the this <br/> be displayed by the LED display unit when within a predetermined range, The invention of claim 2, wherein the construction put Floor
And the design coordinate position of the steel column M
With a laser oscillator 11 to be installed and a capital of the steel column
A light receiving device 12 detachably fixed to the vicinity, and a communication therewith;
Calculation confirmation device 15 connected via communication cable 13
And a plurality of light emitting diodes provided in the operation confirmation device.
LED display unit 19 in which LEDs are arranged in a matrix.
The laser light from the laser oscillator to the light receiver
In the operation confirmation device, the capital of the steel column is detected.
Calculated from the design coordinate position of the
When it is displayed by the LED display unit when it is within the predetermined range
Notify the buzzer sound consisting of intermittent sounds together
Beep when the error is within the error range.
The invention according to claim 3 is constructed on the building floor M.
A plurality of steel columns 8 to be inserted and a design of the plurality of steel columns 8
A laser oscillator 11 installed at each coordinate position;
Each of the steel columns 8 is detachably fixed to the vicinity of the column cap.
And a communication cable 1
3 and a calculation confirmation device 15 connected to the
One position display process connected to each operation check device
And a laser from the laser oscillator 11.
The light R is detected by the light receiver 12, and the calculation confirmation device
In 15, the displacement of the capital of the steel column from the design coordinate position
Calculate the calculated amount and connect the calculated value to multiple calculation confirmation devices
It is characterized in that it is collectively displayed on one of the designated position display processing devices 29 . Note that the numbers added to the above configuration are compared with the drawings to facilitate understanding of the present invention, and the configuration of the present invention is not limited by this.

[0013]

In the present invention, for example, as shown in FIG.
The light receiver 12 is fixed at a predetermined position near the column cap of the steel column 8 placed on the ground before the building, and the laser oscillator 11 is fixed at the indexing position (design coordinate position) of the steel column 8, and then the crane is used. The operation confirmation device 15 is connected to the communication cable 13 of the steel column 8 suspended and moved to the building place. The LED display unit 19 and the liquid crystal display unit 20 of the operation confirmation device 15
The position of the column cap is automatically displayed, and the center position is notified by a buzzer sound. Based on this, the operator tightens the bolts between the upper and lower columns according to the degree of the fall of the steel column 8. The work and the mounting work of the beam are performed, and when the installation position is determined, the welding work of the upper and lower steel columns 8 and the beam welding work of FIG. 5 are performed.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show an embodiment of a steel column installation measuring system according to the present invention. FIG. 1 is a perspective view showing the entire measuring system, and FIG. 2 is an enlarged perspective view of FIG. 1 showing a configuration according to the present invention. It is.

In FIG. 1, two reference points on a reference floor L are:
A turntable 1 and a laser oscillator 2 are installed, and a photodetector 3 and an arithmetic processing unit 4 are installed on the building floor M so as to face the laser oscillator 2. The turntable 1 corrects the measurement accuracy in the vertical direction. Even when the light emission position of the laser light R from the laser oscillator 2 is shifted from a predetermined position, the turntable 1 may be used for a long distance. Even if it is deviated from the true vertical line, the true measurement position in the vertical direction, for example, in the X direction and the Y direction can be determined by automatically rotating the turntable 1 once, and sometimes two or more times. It is.

The light receiver 3 is composed of a photodiode matrix for detecting the position in the X and Y directions, and searches for the trajectory of the laser light R for a predetermined time to determine the swing width, the brightness of the laser light, the measurement area, and the like. Calculate the measurement parameters of
Output to the arithmetic processing unit 4. The arithmetic processing unit 4 receives the position data of the laser beam R from the light receiver 3, performs analysis such as data processing and calculation of the center of gravity, and obtains the known coordinates of the reference point of the reference floor L and the building received by the light receiver 3. The position coordinates of the entry floor M are compared with the known coordinates in the X and Y directions, displayed on a screen, and output to a printer. Based on the result, the steel column is corrected for installation, and the reference point set on the reference floor L is moved to the building floor M.

On the building floor M, a mirror 5 is installed at the position of the two light receivers 3 and a three-dimensional surveying device 6 is installed at an arbitrary position, and a personal computer 7 is connected to the three-dimensional surveying device 6. Is done. The coordinates of the reference point and the design coordinate position (inking position) of the steel column are stored in the personal computer 7 in advance. By collimating the mirror 5 using the three-dimensional surveying device 6, the position of the three-dimensional surveying device 6 is calculated by the personal computer 7 from the reference point of the building floor M.

The above-mentioned method of moving the reference point is the same as the method disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 4-69515. In the case of a high-rise building, in particular, the conventional method of moving the reference point upward by node is used. It has the advantage of being able to measure up to 500m compared to the above, and has the advantage that no accumulated error occurs. However, in the present invention, it is not necessarily an essential component, and in the case of a low-rise building, it is possible to use a plumb bob or a vertical May be used to move the reference point.

1 and 2, a system required for the system of the present invention includes a laser oscillator 11 installed on a building floor M, a light receiver 12 for receiving laser light R from the laser oscillator 11, And an operation check device 15 that can be connected to the device 12 by a communication cable 13.

The laser oscillator 11 has an automatic leveling correction mechanism, and is installed in the opening of the base member 16.
The opening of the base member 16 is fixed along a cross line 17 indicating the mark-out position (design coordinate position) of the building floor M, so that the axis of the laser beam R and the intersection of the cross line 17 can be easily matched. I have.

The photodetector 12 detects the laser beam R from the laser oscillator 11 as a point on two-dimensional coordinates, and has photodiode elements arranged in a matrix of 80 × 80 mm. It can be fixed detachably around the part by a magnet. Similarly, the communication cable 13 and the operation confirmation device 15 can be detachably fixed by a magnet.

As shown in FIG. 3, the operation confirmation device 15
In order to see the measurement results in real time during the construction work,
A matrix of 16 × 16 light emitting diodes with 2 mm each
The LED display unit 19 includes an LED display unit 19 arranged in a box shape, a liquid crystal display unit 20 for numerically displaying deviations in the X and Y directions, operation buttons 21 and a built-in battery.
9, the marking position (design coordinate position) as the center,
When a laser beam enters within a predetermined range and within ± 16 mm in the XY directions, the position is displayed, and a worker can be notified by a buzzer sound. The buzzer sounds, if placed in denominated insertion error range from the laser beam center (within about ± 2 mm), for example, to facilitate the confirmation as to vary the continuous sound from intermittent tone.

As shown in FIG. 4, the measurement data of the arithmetic processing unit 4, the three-dimensional surveying unit 6, and the arithmetic confirmation unit 15 are
The data is input to the computer 23 of the office by the floppy disk 22 or directly, and the plotter 2 for plotting the measurement results is prepared.
4. Output to the measurement result list creation printer 25.

Next, a description will be given of an installation operation using the steel column installation measurement system of the present invention.

[Preparation work] The light receiver 12 is fixed with a magnet at a predetermined position near the capital of the steel column 8 placed on the ground before the building (indicated beforehand at the time of manufacturing the factory). The cable 13 is also fixed along the steel column 8 with a magnet. Usually, the light receivers 12 are respectively attached to the steel columns for the number of one installation.

A mirror is installed near the blackout position (design coordinate position), and the mirror is collimated by the three-dimensional surveying device 6,
The position of the ink mark is confirmed by the personal computer 7, and a cross line 17 is drawn at that position.

Based on the crosshair 17, the base member 16
Is fixed, and the laser oscillator 11 is fixed in accordance with the opening of the base member 16.

The operation confirmation device 15 is connected to the communication cable 13 of the steel column 8 suspended by the crane and moved to the building place.

[Measurement work] The LED display unit 19 and the liquid crystal display unit 2 of the operation check device 15
At 0, the position of the column head of the steel column 8 is automatically displayed, and the center position is notified by a buzzer sound. Tightening the bolts between them is performed, and when the installation position is determined, welding work for the upper and lower steel columns 8 and work for attaching the beams are performed.

If necessary, the measurement result is calculated and confirmed by the device 1
The measurement result is stored in a memory built in 5, and the stored measurement result is printed out by connecting the operation confirmation device 15 to a printer installed in an office.

After welding of the steel column 8, an error may occur in the position of the column cap due to welding distortion or the like. Therefore, the amount of the deviation is measured by the operation check device 15, and the amount of the deviation is set in the next steel column. Sometimes, it is input to the operation confirmation device 15. This makes it possible to measure all the stigma positions at a constant reference coordinate with high accuracy.

5 and 6 show another embodiment of the present invention. FIG. 5 is an overall perspective view, and FIG. 6 is a personal computer ( position display processing).
It is a figure showing a display screen of ( device) . In the above embodiment, the steel columns 8 are installed one by one. However, in this embodiment, as shown in FIG. 5, the beam 26 and the four steel columns S1 to S4 are temporarily provided. It is connected by tightening,
The four steel columns S1 to S4 are simultaneously installed. The laser oscillator 11, the photodetector 12, the communication cable 13, and the operation confirmation device 15 are connected to each of the four steel columns S1 to S4, and each operation confirmation device 15 is connected to a personal computer ( position Display processing
Device) 29.

Referring to FIG. 6, the displacement of the steel columns S1 to S4 in the X and Y directions is displayed on the right side of the display screen of the personal computer 29 , and the steel frame is displayed on the left side, as shown in FIG. The design coordinate positions of the pillars S1 to S4 are indicated by solid lines, and the current positions are indicated by dotted lines, and the worker adjusts the temporary tightening of the beam 26 by loosening or tightening so that the dotted lines overlap the solid lines. This makes it possible to easily perform the construction work.

[0034]

As is apparent from the above description, the claims
According to the first aspect, light is emitted at a position corresponding to the amount of displacement.
Instantly and easily by directly viewing the LEDs
The correction direction can be confirmed.
According to the invention, a remote worker such as a crane operator
However, the shift amount can be immediately grasped by the change of the buzzer sound,
According to the third aspect of the invention, one position display processing unit is provided.
Of multiple steel frames at one place using a computer (PC)
It can be managed collectively, making it easy to measure verticality.
According to the invention described in claim 4, the calculation accuracy
In the recognition device, the amount of deviation is displayed or reported.
Since workers can also be checked near the steel frame,
Double checks can be performed.

[0035]

[0036]

[0037]

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing one embodiment of a steel column installation measuring system of the present invention,

FIG. 2 is an enlarged perspective view of FIG. 1 showing a configuration according to the present invention.

FIG. 3 is a perspective view of a calculation confirmation device according to the present invention.

FIG. 4 is a conceptual diagram for explaining a flow of measurement data in the present invention.

FIG. 5 is an overall perspective view showing another embodiment of the present invention.

6 is a diagram showing a display screen of the personal computer in FIG.

FIG. 7 is a perspective view showing an example of a conventional steel column installation measurement system.

[Explanation of symbols]

M: building floor, 8: steel column, 11: laser oscillator, 12
… Receiver 13… Communication cable, 15… Computation confirmation device, 19… LE
D display unit 20: liquid crystal display unit

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Nobuhiro Okuyama 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (72) Inventor Masaaki Nakanishi 2-3-2 Shibaura, Minato-ku, Tokyo Shimizu (56) References JP-A-4-27817 (JP, A) JP-A-63-265110 (JP, A) JP-A-56-128516 (JP, U) (58) Fields surveyed ( Int.Cl. ⁷ , DB name) G01C 15/00-15/14 G01B 11/00-11/30 102

Claims (4)

(57) [Claims] 1. A steel column to be erected on a building floor, a laser oscillator installed at a design coordinate position of the steel column, and a photoreceptor detachably fixed near a column head of the steel column. An operation confirmation device connected to the light receiver via a communication cable ; and a plurality of light emitting diodes provided in the operation confirmation device.
And a LED display section in which the laser beam from the laser oscillator is detected by the light receiving device, and the calculation confirmation device detects a shift amount of the column head of the steel column from the design coordinate position. And calculate the deviation
An installation measurement system for a steel column , wherein the information is displayed by the LED display unit when the distance is within a predetermined range . 2. A steel column to be built on a building floor, and the steel frame
A laser oscillator installed at the design coordinate position of the column;
A photoreceptor detachably fixed to the vicinity of the column cap,
Calculation confirmation device connected to the receiver via a communication cable
And a plurality of light emitting diodes provided in the operation confirmation device.
LED display section with LEDs arranged in a matrix
The laser light from the laser oscillator is transmitted to the light receiver.
In the calculation confirmation device, the capital of the steel column
Calculate the amount of deviation from the design coordinate position of
When the value is within the specified range, it is displayed on the LED display section.
Beep sounds that consist of intermittent sounds.
Features a continuous tone when it enters the error range
Steel column installation measurement system. 3. A plurality of steel columns built on a building floor,
The lasers installed at the design coordinate positions of the plurality of steel columns, respectively.
Laser oscillators and near the capitals of the plurality of steel columns, respectively.
A light receiver that is detachably fixed and a communication cable
Calculation confirmation devices connected via
One position display processing device connected to each calculation confirmation device
A laser beam from the laser oscillator.
Detected by an optical device, and in the operation confirmation device,
Calculate the amount of deviation from the design coordinate position of
Display the position of one unit connected to multiple operation confirmation devices
Installation of steel columns characterized by batch display on processing equipment
Measuring system. 4. The method according to claim 1, wherein the calculation confirmation device is a steel column.
Display or report the amount of deviation of the head from the design coordinate position
4. The measuring system according to claim 3, wherein
Stem.