JPH0828066A - External wall diagnostic method and device - Google Patents

Abstract

(57) [Summary] [Object] The present invention relates to a method and apparatus for diagnosing an outer wall, and in particular, an object thereof is to automatically detect the degree of deterioration of an outer wall of a building by a change in tapping sound. An outer wall diagnostic method and apparatus according to the present invention is a building.
The elevating mobile carriage (5) is moved up and down along the wall surface (2A) of (2), and the building is driven by the wall striking means (42, 42A) inside the vertical moving carriage (5).
The microphone (60) detects a hitting sound when the wall surface (2A) of (2) is hit, and detects the degree of deterioration of the wall surface (2A).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for diagnosing outer walls, and more particularly to a new improvement for automatically detecting the degree of deterioration of the outer wall of a building by the change in tapping sound.

[0002]

2. Description of the Related Art As an outer wall diagnostic method of this type that has been conventionally used, in general, an operator mounts on a gondola suspended in the outer wall of a building and manually strikes the outer wall with an outer wall striking rod to sense the operator. The degree of deterioration of the outer wall was detected by.

[0003]

Since the conventional method for diagnosing the outer wall is constructed as described above, for example, in the case of a high-rise building, the wire that suspends the worker sways from side to side and is extremely dangerous when the wind is strong. It was a difficult task, and in the case of a huge building, it was sometimes impossible.

The present invention has been made to solve the above problems, and in particular, an outer wall diagnostic method and apparatus for automatically detecting the degree of deterioration of the outer wall of a building by a change in tapping sound. The purpose is to provide.

[0005]

In the coin feeding method according to the present invention, a lift truck is moved up and down along a wall surface of a building, and a wall striking means provided on the lift truck hits the wall surface of the building. This is a method of detecting a tapping sound that occurs occasionally as a detection tapping sound with a microphone, and detecting the degree of deterioration of the wall surface based on the vibration waveform of the detected tapping sound.

More specifically, it is a method of calculating the crest factor of the vibration waveform.

More specifically, it is a method of displaying the result of the detection as a diagnostic map of the wall surface on a screen of a computer and printing it through a printer.

More specifically, the raising / lowering carriage is a method of traversing by a rooftop carriage provided at the upper part of the building.

More specifically, it is a method of laterally moving the wall surface striking means in the lift carriage.

More specifically, the lifting / lowering carriage is a method of pressing it against the wall surface by the thrust of the rotation of the fan.

An outer wall diagnostic apparatus according to the present invention comprises a roof movable carriage which is installed at an upper part of a building and is movable in a transverse direction, and an elevator movable carriage which is suspended from the roof movable carriage through a wire and has a wall striking means and a microphone. An elevating and lowering drive means provided on the elevating and moving carriage to elevate and lower the elevating and moving carriage via the wire, and the microphone detects a tapping sound generated when the wall surface striking means strikes the wall surface of the building. It is configured to be detected as a tapping sound, and the degree of deterioration of the wall surface is detected based on the vibration waveform of the detected tapping sound.

More specifically, the roof carriage and the hoisting carriage are configured to be linked by wireless communication.

More specifically, the wall surface striking means traverses through a traverse reciprocating drive means provided in the elevator carriage.

More specifically, the wall driving means is provided on the upper and lower parts of the lifting carriage.

More specifically, the lifting carriage is
A fan is provided, and exhaust air from the fan is discharged to the side opposite to the wall surface.

[0016]

In the method and apparatus for diagnosing outer wall according to the present invention, the wall striking means in the elevating traveling carriage suspended from the roof traveling carriage traversing the roof of the building through the wire strikes the wall surface of the building. By detecting the tapping sound at that time as a detected tapping sound with a microphone and calculating the crest factor of the vibration waveform of the detected tapping sound, the deteriorated portion of the wall surface can be detected by the tapping sound. The result of this detection is
It is displayed as a diagnostic map of the wall on the computer screen, and the degree of deterioration of the wall of the building can be recognized at a glance.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of an outer wall diagnostic method and apparatus according to the present invention will be described in detail below with reference to the drawings. FIG.
In FIG. 1, the reference numeral 1 is a rooftop moving trolley configured to be able to traverse the rooftop 2a of the building 2 through the rooftop rail 3 by a predetermined distance (2 m in this embodiment).
An elevating moving carriage 5 is provided on the pair of wires 4 suspended from the rooftop moving carriage 1 so as to be vertically movable.

A computer 8 consisting of a power supply panel 7 and a personal computer is provided at a ground position 6 of the building 2, and a power line 7a from the power supply panel 7 is connected to the lifting and moving carriage 5 and is connected to the computer 8. Is the first wireless antenna 9
An operation panel 10 for a remote controller having is connected by a connection cord 11. Therefore, various data, which will be described later, received by the first wireless antenna 9 is input to the computer 8 and displayed on the screen 8a.

A head tree 1 formed on the roof 2a of the building 2
The rail 3 is adjustably provided on the roof 2 via a fixing mechanism portion 13, and two pairs of guide wheels 1a, 1 of the rooftop moving carriage 1 are provided.
b and the drive wheel 1c are in contact with the rail 3, and the wire 4 is connected to the tip of an arm 14 that is provided in the rooftop carriage 1 so as to be able to move in and out. The rail 3 is configured to be connectable in units of 2 m, and is configured to cover one side of the width of the building 2 by moving the rail 3 one after another.

The rooftop trolley 1 is constructed as shown in FIG. 5, and receives power from the power line 7b and has a rooftop radio 20 having a second radio antenna 20a.
Is connected to the rooftop CPU 21. The rooftop CP
The arm entry / exit command 21a from U21 is input to the arm driver 23 of the arm motor 22, and the arm motor 22 is passed through the arm speed reducer 24 to cause the arm 1 to move.
4 is connected to a feed screw 25 which is screwed. Therefore,
The rotation of the feed screw 25 allows the arm 14 to move in and out along the direction of arrow A.

Traverse command 21 from the rooftop CPU 21
b is input to the traverse driver 27 of the traverse motor 26, and the traverse motor 26 is connected to the roof wheel 1c through the traverse speed reducer 28 and is configured to move on the rail 3. The output of the traverse sensor 30 provided on the rooftop trolley 1 is fed back to the traverse driver 27 and the rooftop CPU 21 as a position signal 31.

Next, the electric power line 7a from the power supply panel 7 is connected to the lifting / moving carriage 5, and the operation CPU 31 of the operation panel 10 connected to the computer 8 has the wireless antenna 9 for operation. With 32 connected,
A switch operation unit 33 including switches for an automatic inspection command 33a, a lift truck moving direction 33b, a roof truck moving direction 33c, a detection mode 33d, a tapping sound 33e, and a fan on / off 33f is connected to the operating CPU 31.

The operation CPU 31 is connected to an address display section 35 for displaying the X and Y addresses of tiles on the wall surface 2A of the building 2 and a switch operation section 35A for inputting tile dimensions and joint dimensions. The hammering determination detection signal 36 and the sound diagnostic data 37 are output, and a warning unit 39 including a lamp or a buzzer for notifying the dangerous position 38 is provided. The computer 8 has a printer 8A for printing a diagnostic map of the wall surface 2A.
Is connected.

Next, the lifting / moving carriage 5 is constructed as shown in FIG. That is, the power line 7a is
A driver 41 for raising and lowering the motor 40 for raising and lowering, a driver 44 for driving the wall surface of the motor 43 for driving the wall surface of the upper and lower wall surface driving means 42, 42A, and a traverse movement motor of a traverse moving means 45 for laterally moving the means 42 for driving the wall surface 46 for traverse movement driver 47, fan motor 4 for fan 48
9 and a pair of moving wheels 50 are respectively connected to active wheel motors 51 for changing the directions thereof. The driven wheel 50A is configured to follow the direction of the active wheel 50.

The lifting motor 40 is used for the lifting speed reducer 5.
2 is connected to a take-up pulley 53 (constituting an elevating / lowering drive unit 53A) that engages with the wire 4 via 2, and the hoisting / moving carriage is caused by relative movement of the wire 4 and the take-up pulley 53 by rotation of the take-up pulley 53 The lifting and lowering by the wire 5 via the wire 4 is performed. The pair of gap sensors 54 detect a state of riding on the unevenness of the wall surface 2A. The pair of gap sensors 54 are provided on the upper portion 5a and the lower portion 5b of the lifting carriage 5.
The pair of first tactile sensors 55, 56 can detect the upper limit and the lower limit of the lifting and lowering carriage 5 when it is raised and lowered. In addition, eight second tactile sensors 55A provided around the carriage 5
Is configured to detect the convex portion of the wall surface 2A.

The wall driving motor 43 is connected to a columnar cam 59 for driving the hammer 58 via a wall surface reducing gear 57, and the rotation of the columnar cam 59 causes the hammer 58 to repeatedly strike the wall 2A. The striking sound at that time is detected by the microphone 60 as a detected striking sound 60a.

As shown in FIG. 8, the traverse moving means 45 is integrally formed with the wall surface striking means 42, and the traverse moving motor 46 has a traverse reciprocating driving means via a traverse moving speed reducer 61. It is connected to a pinion 63 that meshes with a rack 64 of 62, and by rotating this pinion 63, the wall striking means 42 can be laterally moved by 50 cm.

An elevating command 72a of a computer 72 connected to the elevating radios 70, 71 provided on the elevating carriage 5 is input to the elevating driver 41, and an elevating / holding brake release command 72b is transmitted via a relay 72c. The fan on / off command 72d is input to the fan motor 49, the hammer driving command 72e is input to the wall surface driving driver 44, the traverse command 72f is input to the traverse movement driver 47, and the steering direction is input. The command 72g is transmitted to the active wheel motor 5 via the relay 72h.
1 is input to control each operation, and the vertical moving carriage 5
It is possible to freely control the raising and lowering, the hammering of the hammer 60 of the wall striking means 42, and the traverse operation.

In the computer for the lift truck, the lift joint and the position signal 54a from the gap sensor 54, the traverse position signal 47a from the encoder of the traverse movement motor 46, and the tapping sound 60a from the microphone 60.
Is a wall surface deterioration determination signal 60b in which the crest factor of the vibration waveform is calculated by the hammering sound diagnosis and analysis device 60A and the degree of deterioration of the tile of the wall surface 2A is analyzed, and the uneven portion climb detection from the ascending / descending joint and the position signal 54a. Signal 54aA, the second
Dangerous position and projection detection signal 55A from tactile sensor 55A
a is input, and a steering direction signal 50a indicating the steering direction from the active wheel 50 is also input. The hammering sound diagnosis and analysis device 60A described above includes a preamplifier 60B, a peak hold circuit 60C, an effective value measurement circuit 60D, a division circuit 60E, and a determination circuit 60F. For example, it is also disclosed in Japanese Unexamined Patent Publication No. 5-281202. As is known, a well-known configuration is adopted as an example.

Next, in the above-mentioned configuration, the wall surface 2 is actually
A case where the degree of deterioration of A is detected and the result of the detection is displayed on the computer 8 as a wall surface diagnostic map will be described. First, the rooftop trolley 1 is moved to the building 2 as shown in FIG.
In the state of being hung from the rooftop carriage 1 by the wire 4, the power supply board 7 is turned on, and the computer 8, the operation board 10 and the lifting carriage 5 are turned on. To do.

In the above-described state, the initial setting for automatic inspection is performed by inputting the tile size and joint size of the wall surface 2A via the switch operating unit 35A. When the take-up pulley 53 of the lifting / moving carriage 5 is operated by a wireless command from the operation panel 10 to move the lifting / lowering carriage 5 up and down to determine and stop the inspection position and set the zero position of the XY position, the operation is performed. The XY position of the wall surface 2A from the zero position is displayed on the display unit 35 of the board 10 in Cm units. In this state, the wall moving means 42, 42A are passed through the transverse moving means 62.
By operating the wall surface striking means 42, 42
The striking sound of the wall surface 2A striking the hammer 58 of A is detected as a striking sound by the microphone 60, and the crest factor of the vibration waveform of the detected striking sound is calculated and analyzed by the striking sound analysis device 60A, and the analysis is performed. The result of the detection is that the lifting radio 71
Is wirelessly sent to the computer 8 and the detection result is displayed on the screen 8a as three signals of YES (circle mark), NO (cross mark), and ambiguous (triangle mark). Therefore,
The wall surface striking means 42, 42A in the lifting / moving carriage 5 are
Rail 3 of roof trolley 1 to traverse 0.5m
4m per 2m span of rail 3
The wall surface 2A having a span of 2 m can be detected by repeating the traversing once. Further, by moving the rails 3 one after another according to the width of the building 2 and repeating the same work as described above, the entire surface of the wall surface 2A can be detected. Further, the tile X-Y address is determined from the tile and joint size, the elevation joint, the position signal 54a, and the traverse position signal 47a, and the tile X address 35a and the tile Y address 3 are determined.
5b is input to the computer 8 and the map is displayed on the display unit 8a. In addition, during the above-described work, by driving the fan 48 of the lifting / lowering carriage 5, the lifting / lowering carriage 5 itself is always pressed against the wall surface 2A by the exhaust force, that is, the thrust, and the influence of wind or the like is exerted. You can keep the work posture stable by reducing the number.

The above-described work is performed by the window frame 10 of the window in FIG.
The case of only the wall surface 2A in which 0 is not formed has been described, but the case of detecting the position of the window frame 100 will be described next. When detecting the vertically moving carriage 5 while descending from the position directly above the first to third window frames 100 in FIG. 4, and the vertically moving carriage 5 corresponds to the first window frame 100, the first window frame 100 If the height from the wall surface 2A is less than 30 mm,
As shown in FIG. 9, since the height of the active wheel 50 and the driven wheel 50A is 30 mm, the first and second window frames 100, 10
The areas above and below 1 can also be detected completely.

However, The height of the third window frame 102 is 3
Since it is 0 mm or more, the lower end 5A of the lifting / moving carriage 5 abuts on the upper portion of the third window frame 102.
Since 2A is located on the upper side and the lower side of each wheel 50, 50A, as shown in FIG. 4, the dead zone 110 is left in the lower wall surface striking means 42A.

Next, the arm 14 of the roof trolley 1 is extended to release the abutment, and the hoisting trolley 5 is lowered to lower the third window frame 10.
After passing through 2, when the arm 14 is contracted by being positioned under the third window frame 102 as shown by the one-dot chain line, the dead zone 110a directly below the third window frame 102 is removed, and Detection can be performed by the upper wall surface striking means 42. Note that the signal processing of the tapping sound is not limited to the above-described calculation of the crest factor, and other means such as frequency analysis can be used.

[0035]

The outer wall diagnostic method and apparatus according to the present invention comprises:
Since it is configured as described above, the following effects can be obtained. That is, since the wire that moves laterally by the rooftop carriage is used as a guide, the elevating and lowering carriage having the wall striking means ascends and descends, and the degree of deterioration of the wall surface is detected from the striking sound of the wall striking means. The detection result can be automatically displayed on the display unit of the computer without going up, and the wall surface can be diagnosed quickly and accurately.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a state in which a diagnosis is performed using an outer wall diagnostic device according to the present invention.

FIG. 2 is a perspective view showing a main part of FIG.

FIG. 3 is a cross-sectional view showing a main part of FIG.

FIG. 4 is a configuration diagram showing another diagnostic state of FIG. 1.

FIG. 5 is a block diagram showing a roof trolley.

FIG. 6 is a block diagram showing a main part of FIG.

FIG. 7 is a block diagram showing an elevating and moving carriage.

FIG. 8 is a plan view of an up-and-down moving carriage.

9 is a right side view of FIG.

FIG. 10 is a bottom view of FIG.

[Explanation of symbols]

 1 Rooftop moving truck 2 Building 2A Wall surface 4 Wire 5 Lifting truck 5 Computer 8a screen 8A Printer 42, 42A Wall striking means 48 Fan 53A Lifting driving means 60 Microphone 62 Traverse reciprocating driving means

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Atsuhiro Doyama 4-640 Shimoseido, Kiyose-shi, Tokyo Inside Obayashi Technical Research Institute Co., Ltd.

Claims (11)

[Claims] 1. The building (2) is moved up and down along a wall surface (2A) of the building (2A), and the building is moved by a wall striking means (42, 42A) provided on the lifting carriage (5). The striking sound generated when striking the wall surface (2A) of (2) is detected as a detection striking sound by the microphone (6b), and the wall surface is detected based on the vibration waveform of the detected striking sound.
An outer wall diagnostic method characterized by detecting the degree of deterioration of (2A). 2. The outer wall diagnosis method according to claim 1, wherein a crest factor of the vibration waveform is calculated. 3. The result of the detection is displayed on the screen (8a) of the computer (8) as a diagnostic map of the wall surface (2A) and is printed via the printer (8A). Or the outer wall diagnostic method described in 2. 4. The lift truck (5) is traversed by a roof truck (1) provided at an upper part of the building (2), according to any one of claims 1 to 3. Outer wall diagnostic method. 5. The outer wall diagnostic method according to any one of claims 1 to 4, wherein the wall surface striking means (42, 42A) is laterally moved within the lifting carriage (5). 6. The outer wall diagnostic method according to claim 1, wherein the lift truck (5) is pressed against the wall surface (2A) by a thrust force generated by rotation of a fan (48). 7. A roof trolley (1) provided on the upper part of a building (2) and capable of transverse movement, and a wire from the roof trolley (1).
(4) suspended moving carriage (5, 5) having a wall striking means (42, 42A) and a microphone (60), and provided on the movable carriage (5) via the wire (4) Elevating drive means (53A) for elevating the elevating carriage (5),
The wall (2A) of the building (2) by the wall striking means (42, 42A)
The microphone (60) detects a tapping sound generated when the player hits, and detects the degree of deterioration of the wall surface (2A) based on the vibration waveform of the detected tapping sound. Characteristic outer wall diagnostic device. 8. The rooftop carriage (1) and the lifting carriage (5)
The outer wall diagnostic device according to claim 7, wherein is connected by wireless communication. 9. The wall striking means (42, 42A) is configured to traverse through a traverse reciprocating drive means (62) provided in the hoisting carriage (5). 7. The outer wall diagnostic device according to 7 or 8. 10. The outer wall diagnosis according to claim 7, wherein the wall surface striking means (42, 42A) are provided on an upper part and a lower part of the lifting carriage (5). apparatus. 11. A fan (4) is provided on the lifting carriage (5).
8) is provided, and the exhaust air from this fan (48) is
The outer wall diagnostic apparatus according to claim 7, wherein the outer wall diagnostic apparatus is provided on the side opposite to A).