JPH0213661A - Erecting method for building material - Google Patents

Abstract

PURPOSE:To perform a rapid and accurate work by a method wherein the image of a target mounted to a building material is detected by a vertical point monitoring device mounted to an existing building material, and based on detecting information, an erection machine is controlled to vertically connect the building materials to each other. CONSTITUTION:A vertical point monitoring device A and a target 7 are mounted to steel pillars 1 and 2, respectively, and the collection reference position of the monitoring device A and the position of the pin hole of the target 7 are situated in the same position from the reference surfaces of the steel pillars 1 and 2. A suspension wire 8 is hooked to the upper end part of the steel pillar 2, and is moved to a given position by an erection machine. When the steel pillar 2 is moved to a position approximately right above the steel pillar 1 and is brought to a state approximately similar to a connection state, the image of the target 7 caught by the sensor of the monitoring device A is projected on a monitor 10. Further, the steel pillar 2 is lowered onto the steel pillar 1 for connection.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application 1] The present invention relates to a method for constructing construction materials such as steel frame structures, steel frame reinforced concrete buildings, steel frame towers, curtain walls, and the like.

[Conventional technology 1] Conventionally, for example, as shown in Fig. 4, the method of constructing a steel frame is to construct a steel column that has been processed in a factory into one section by several layers, and then to be erected using a tower crane or the like at the construction site. Along with the construction by the machine, this! Cross the horizontal members such as two steel beams, temporarily tighten each joint with 175 to 173 final bolts, then brace the steel frame with wire at key points and connect it to the transit/plumb. While correcting the distortion with etc., tighten the
They were welding or riveting or bolting.

When erecting the above-mentioned steel columns, guiding tools are placed at each joint, and the operator of the erecting machine is required to use the hands and
They signaled with whistles, flags, etc., and used radio equipment such as walkie-talkies to guide them.

[Problem to be Solved by the Invention 1] However, the guidance of the above-mentioned on-site tools by hand, whistle, flag, radio, etc. is not only difficult to perform in a particularly delicate manner and requires considerable skill, but also takes time and effort. ), which was time-consuming and dangerous, and especially when the wind was strong, construction work could not be carried out.

In addition, the conventional construction method described above requires a lot of work and time to complete the construction, as it requires temporary tightening and then straightening the distortion, resulting in poor work efficiency and high construction costs. There were problems such as a longer construction period.

However, in the case of skyscrapers, span W! 4. The alignment was insufficient, and large-scale equipment was used to correct it in order to keep it within the construction error range.

The present invention was made in order to solve the problems of conventional construction equipment, and its purpose is to enable operators of construction machines to accurately grasp the construction status of construction materials such as steel columns, and to remotely To quickly and accurately guide the construction material to a predetermined construction position by operation, and maintain the construction position and posture of the construction material; omit temporary tightening and straightening work, and perform final tightening directly, and perform guidance work H. The object of the present invention is to provide a construction method for construction materials that can significantly reduce construction costs by reducing burdens and work processes, and dramatically improve construction efficiency.

[How to solve the problem fi 1 The T method of constructing the structure of the present invention is that there is no lead in the vicinity of the head connection of the existing MLT construction material! r(, α Monitoring device is removably housed;
At the same time, a target is attached near the upper hanging part of another construction material that is suspended by a construction machine such as a crane and connected to the above construction material, and the image of the target is detected by the vertical point monitoring device indicated in F. The above-mentioned construction machine is automatically or manually operated based on the detected information to connect the above-mentioned construction materials vertically. It consists of a two-dimensional compensator and a CCD camera, and the target is characterized by having a pinhole in its center.

In addition, the above target includes light passing through a pinhole,
The vertical point monitoring device is characterized by being able to distinguish between the light reflected from the target base material, and the vertical point monitoring device
This method is characterized by detecting the rotational shake of a reference point imaged on the D camera, and calculating the position of the center of gravity of the rotational shake to obtain a stationary reference point.

[Embodiment 1] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

In FIG. 1, 1 is the base l! Alternatively, it is the head of an existing lower steel column, and another steel column 2 connected thereon is suspended by a construction machine (not shown) such as a tower crane or a truck crane.

A vertical point monitoring device fffA is attached to one side of the head of the steel column 1, as shown in Figure tjtJ2.

The vertical and α monitoring device A mainly includes a first two-dimensional compensator 3, a second one-dimensional compensator 4, and a CCD camera 5.

The above-mentioned two-dimensional compensators 3 and 4 are arranged in the X-axis direction and the vertical reference direction in the X-axis direction, respectively. 111J adjustment.

Further, the CCD camera 5 is configured to electrically detect a reference point imaged through the optical system.

5' is a contact mirror. Reference numeral 6 denotes attachment of a magnet base, a clamp, etc., which are detachably attached to the steel column 1.

The target 7 shown in FIG. 2 has a pinhole 7a in the center.
The light passing through the pinhole 7a and the light reflected from the base material of the target 7 can be distinguished, and as shown in FIG. It can be installed removably.

Next, steel frame erection work using the above device will be explained.

First, a vertical monitoring device A and a door are placed on steel columns 1 and 2, respectively. At this time, lead i
Make sure that the light receiving reference position of the ff point monitoring device A and the position of the pinhole 7a of the target 7 are at the same position from the reference plane of both steel columns to be connected.

When the construction work is completed, the hanging wire 8 is moved to the upper end of the steel column 2 (and moved to a predetermined hanging position X1:t' using a construction machine such as a crane).

In this case, it is preferable that the steel column 2 is suspended so as to maintain the lead 1α state as much as possible.

When the steel column 2 is moved almost directly above the steel column 1 to be connected, and brought into a state close to the connection position, "-archetype lf"
An image of target 7 is captured by L sensor A, and C
The target image received by the CD camera 5 is Pt4
As shown in FIG. 3, the monitor 1 is
0, and it is confirmed that the steel column 2 is suspended almost directly above the steel column 1.

Next, the steel column 2 is lowered onto the steel column 1, and the connection work begins immediately.

In the connection work, first tighten the bolts temporarily, and then while watching the deviation of the pinhole 7a of the reference point, that is, the target image, displayed on the monitor 10,
The steel column 2 is corrected to the joint shape state so that the rotational runout of the reference point (pinhole 7a) is at the center of gravity, and is finally tightened.

In this case, the work equipment near the lower vertical point monitoring device can see the monitor and send a signal to the crane operator, or the monitor can also be placed at the operator's seat, and the operator himself can make corrections while looking directly at the monitor. You can do it like this. This corrective work may be performed by calculating the center of gravity position of the rotational runout at the reference point using a computer and automatically lighting the light.

In Fig. 3, numeral 11 is an arithmetic device such as a personal computer or a pocket computer, on which the deviations X and Y of the reference point, that is, the pinhole 7a, are digitally displayed. There is.

When the connection of the steel frame 2 is completed, the vertical point monitoring device AJ3 and the tarp and door are removed as necessary, and the next erection work begins.

Incidentally, if a plurality of sets of these vertical point monitoring devices A and targets 7 are arranged, and while one set performs the installation and removal work, another set performs the erection work, improving efficiency.

The present invention can be applied to the construction of curtain walls, towers, etc.

[Effect of the invention 1 (+,) Steel frame erection work can be performed quickly and with high precision.

(2) The vertical point of a steel frame can be measured accurately and quickly with a simple device.

(3) Simply drilling a pinhole in the target does not require batteries or maintenance.

(4) Vertical point monitoring device and target centration can be performed easily and quickly.

(5) High safety because the operator can monitor the monitor himself.

[Brief explanation of the drawing]

Figure 1 is a perspective view showing the state of construction work using the construction method of the present invention;
FIG. 2 is a block diagram of a vertical point monitoring device, FIG. 3 is a schematic diagram of a vertical point monitoring system, and FIG. 4 is an explanatory diagram of conventional erection work. 1.2... Steel column, 3.4... Two-dimensional compensator, 5.
・・COD camera, 5'... mounting hole, 6... mounting, 7... target, 7a... pinhole, 8...
・Hanging wire, 9...lIW image processing 8! Equipment, 10.
... Monitor, 11... Arithmetic device, A... Vertical point monitoring device, X, Y... Deflection amount.

Claims (1)

[Claims] 1. A vertical point monitoring device is removably attached near the head connection of the existing construction material, and another construction is suspended by a construction machine such as a crane and connected to the construction material. A target is attached near the upper hanging part of the material, the image of the target is detected by the vertical point monitoring device, and the construction machine is automatically or manually operated based on the detected information to vertically move the construction material. A construction method for construction materials characterized by connecting to. 2. The vertical point monitoring device has two two-dimensional compensators and a CC
Claim 1 comprising a D camera.
Construction method for construction materials described in . 3. The construction method for construction materials according to claim 1 or 2, wherein the target has a pinhole in its center. 4. The construction method for construction materials according to claim 3, wherein the target is configured to be able to distinguish between light passing through a pinhole and light reflected from the target base material. 5. The method according to claim 1, 2, 3, or 4, wherein the rotational shake of a reference point imaged on a CCD camera is detected, and the center of gravity position of the rotational shake is calculated to obtain a stationary reference point. Construction method for construction materials.