JPH0552821A - Diagnostic apparatus for structure surface - Google Patents

Abstract

PURPOSE:To perform diagnosis of a structure surface by means of lateral acoustic waves highly efficiently, safely and highly accurately with mechanic power. CONSTITUTION:A winch 3 and a support sheave 4 are attached to a running vehicle 2 running along a wall surface on a roof of a structure 1, wherein a chain body 5 fed from the winch 3 is wound around the support sheave 4 and also hung down from the support sheave 4 along the wall surface 6. A chain lower end fixing jig 8 equipped with a suction disk 7 for sucking to the wall surface 6 is coupled to the lower end of the chain 5, and a lifting frame 9 which vertically moves along the chain 5 is equipped with a lateral acoustic wave diagnostic apparatus comprising a lateral acoustic wave generator and a lateral acoustic wave receiver or a diagnostic apparatus comprising a CCD camera, etc.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for diagnosing a surface layer of a structure such as a concrete building in a non-destructive state.

[0002]

2. Description of the Related Art Conventionally, as a method for diagnosing the presence or absence of peeling of surface layer concrete and peeling of interior and exterior tiles in a concrete structure, (1) a transverse acoustic wave provided with a transverse acoustic wave transmitter and a transverse acoustic wave receiver A method is known in which an operator grasps a wave type diagnostic device and moves it along the wall surface of a concrete structure for diagnosis, and (2) a method in which an infrared generator is moved along the wall surface for diagnosis. ing.

[0003]

In the case of the above-mentioned conventional diagnosis method (1), since a worker grips the transverse acoustic wave type diagnostic apparatus and moves along the wall surface, considerable labor is required. At the same time, since the work is performed at a high place, there is a problem that the work is dangerous and the diagnosis time is long. Further, in the case of the above-mentioned diagnosis method (2), there is a problem that a diagnosis error occurs when it is affected by the natural environment such as solar radiation and wind.

[0004]

In order to advantageously solve the above-mentioned problems, in the diagnostic apparatus for the structure surface layer portion of the present invention, the traveling carriage 2 that travels along the wall surface side of the roof of the structure 1 is used. , The winch 3 and the support sheave 4 are attached, the strip 5 fed from the winch 3 is wound around the support sheave 4 and hung down along the wall surface 6 from the support sheave 4 to the lower end of the strip 5. , A transverse lower acoustic wave transmitter 10 and a transverse acoustic wave receiver 11 are connected to a strip lower end fixing tool 8 having a suction cup 7 adsorbed to the wall surface 6, and an elevating frame 9 which moves up and down along the strip 5. Transverse acoustic wave diagnostic device consisting of or a diagnostic device 40 consisting of a CCD camera or the like
To provide.

[0005]

1 to 13 show one embodiment of the first invention, which is a structure 1 made of a concrete building.
Two rails 13 that extend close to and parallel to the chest wall 12 are laid and fixed to the wall surface side of the roof of the vehicle, and the wheels 15 of the traveling carriage 2 equipped with the traveling drive device 14 are mounted on the rail 13. Is placed on the traveling carriage 2 and the traveling drive device 14 is mounted on the traveling carriage 2.
A traveling position detector 16 composed of a rotary encoder rotated by is fixed, electric winches 3 are fixed on both sides of the traveling carriage 2 in the traveling direction, and project forward from the structure 1 of the traveling carriage 2. Support sheaves 4 are attached to both ends in the traveling direction of the bogie at the tip end thereof, and a strip 5 such as a rope or a chain unreeled from each winch 3 is wound around the support sheaves 4 and the wall surface 6 from the support sheaves 4. Drooping in close proximity.

The lower end of each strip 5 is connected to a strip lower end fixing tool 8, and the strip lower end fixing tool 8 is provided with a plurality of suction cups 7.
The inside of each suction cup 7 is connected to a suction device 17 such as a vacuum pump, and each suction cup 7 is sucked onto the wall surface 6.

Guide sheaves 18 for supporting the strips 5 are attached to the left and right sides of the lower side of the lift frame 9 which moves up and down along the two strips 5, and upper and lower left and right sides of the lift frame 9 are attached. A wheel 19 that is in contact with the wall surface 6 is attached to the.

On both the left and right sides of the elevating frame 9, an elevating drive device 22 for driving a drum 24 around which the strip 5 is wound and an elevating position detector 23 composed of a rotary encoder rotated by each elevating drive device 22 are provided. A strip pressing roller 25 is fixed around the drum 24, and the strip pressing roller 25 is pressed by a spring (not shown) to press the strip 5 against the drum 24. The portion of the strip 5 supported by the guide sheave 18 and the drum 24 is arranged in a direction displaced from the wall surface 6 in a direction away from the portion supported by the support sheave 4 and the strip lower end fixture 8. The wheels 19 of the elevating frame 9 are pressed against the wall surface 6 by the horizontal component force due to the tension of the strip 5.

A supporting member 26 having three holding holes extending in the front-rear direction, that is, the direction perpendicular to the wall surface is fixed to the elevating frame 9, and a transverse acoustic wave transmitting device is slidably fitted in the central holding hole. A roller 27 which is in contact with the wall surface 6 or is formed of a sphere is attached to the wall 10, and a spring 29 is provided between the pressing force adjusting member 28 screwed in the central holding hole and the transverse acoustic wave transmitting device 10. Transverse acoustic wave receiving device 11 interposed and slidably fitted in the holding holes on both the left and right sides
A trochanter 27 that is in contact with the wall surface 6 is attached to the transverse wall acoustic wave receiving device 11, and a spring 29 is interposed between the pressing force adjusting member 30 screwed into the holding holes on the left and right sides and the transverse wave acoustic wave receiving device 11. The transmitting device 10 and the transverse acoustic wave receiving device 11 constitute a transverse acoustic wave diagnostic device.

The traveling position detector 16 and the ascending / descending position detector 23 are connected to an input section of a computer 31, and the transverse acoustic wave transmitting device 10 and the transverse acoustic wave receiving device 11 are connected to a detecting device 32, and the detecting device 32 thereof. The output section of is connected to the input section of the computer 31 to configure the elastic wave diagnostic device 33.

When diagnosing the wall surface 6 of the structure 1, each winch 3 is operated to move the elevating frame 9 upward or downward. The position of the traveling carriage 2 is measured as an X coordinate by the traveling position detector 16 and the measurement signal is sent to the computer 31, and the position of the elevating frame 9 is measured as a Y coordinate by the elevating position detector 23. At the same time, the measurement signal is sent to the computer 31. The transverse acoustic wave receiver 11 to the detector 32
The signal sent to the computer 3 is processed by the detecting device 32 and then sent to the computer 31 and the computer 3
1 performs coordinate calculation and detection data recording, and the wall surface diagnosis result is displayed on the screen 34 of the computer 31. After the wall surface diagnosis is performed by the ascending or descending movement of the elevating frame 9, the suction wall 7 is disengaged from the wall surface 6, then the traveling carriage 2 is caused to travel a short distance, and then the suction disk 7 is adsorbed to the wall surface 6 again. Repeat the operation of.

14 and 15 show another example of the elevating frame 9 having the transverse acoustic wave transmitting device 10 and the transverse acoustic wave receiving device 11, in which a guide rail 35 extending in the left-right direction is provided in the elevating frame 9. The feed screw rod 37, which is fixed to the elevating frame 9 and is rotated by the traverse driving device 36 fixed to the elevating frame 9, is arranged so as to extend in parallel with the guide rail 35 and is fixed to the guide rail 35 or the elevating frame 9. Support member 38 supported by a fixed bearing and moving along the guide rail 35.
A female screw member 39 screwed to the feed screw rod 37 is attached to the traverse support member 38, two holding holes are provided in the transverse support member 38 at intervals in the vertical direction, and one holding hole is slidably fitted into the holding hole. A trochanter 27 that comes into contact with the wall surface 6 is attached to the transverse acoustic wave transmitter 10, and a spring 29 is provided between the pressing force adjusting member 28 screwed into one holding hole and the transverse acoustic wave transmitter 10. The transverse force acoustic wave receiving device 11 which is interposed and slidably fitted in the other holding hole is provided with a rotator 27 that comes into contact with the wall surface 6, and is pressed into the other holding hole by a pressing force adjusting member 30. And a spring 29 between the acoustic wave receiving device 11 and the transverse acoustic wave receiving device 11.
Is intervening.

Since the transverse acoustic wave transmitting device 10 and the transverse acoustic wave receiving device 11 are reciprocally moved in the left-right direction by the transverse drive device 36, by moving the elevating frame 9 in the vertical direction, the wall surface diagnosis over a wide width is performed. Can be done.

FIGS. 16 and 17 show a part of a structure surface layer diagnostic apparatus according to the second embodiment of the present invention, in which the base end of the holding member 20 is attached to the lifting frame 9 by the bolt 2.
The diagnostic device 40, which is a CCD color video camera, is detachably fixed to the seat plate 41 at the tip of the holding member 20 by a bolt 42.
Although the transverse acoustic wave diagnostic device is not used, the other configurations are similar to those of the first embodiment. The diagnostic device 40
As the above, a camera similar to a CCD camera may be used.

[0015]

According to the present invention, the winch 3 and the support sheave 4 are attached to the traveling carriage 2 which runs along the wall surface side of the roof of the structure 1, and the strip 5 extended from the winch 3 is attached. Wrap the support sheave 4 and hang it from the support sheave 4 along the wall surface 6, and connect a strip body lower end fixture 8 having a suction cup 7 attracted to the wall surface 6 to the lower end portion of the strip body 5, A transverse acoustic wave diagnostic device or CCD including a transverse acoustic wave transmitter 10 and a transverse acoustic wave receiver 11 on a lifting frame 9 that moves up and down along the strip 5.
Since the diagnostic device 40 including a camera or the like is provided, the structure surface layer portion can be diagnosed by transverse acoustic waves with mechanical force in a highly efficient, safe and highly accurate manner. Further, from the support sheave 4 of the traveling carriage 2. Since the lower end portion of the hanging strip 5 is connected to the strip lower end fixing tool 8 provided with the suction cup 7 attracted to the wall surface 6, the strip 5 is supported in a stable state by a simple means. The strip 5 guides the elevating frame 9 so that it can be moved up and down in a stable state.

[Brief description of drawings]

FIG. 1 is a side view showing a diagnostic device for a surface layer of a structure using a transverse acoustic wave according to an embodiment of the first invention.

FIG. 2 is a front view of a diagnostic device for a surface layer of a structure using a transverse acoustic wave shown in FIG.

FIG. 3 is a partially longitudinal side view showing the vicinity of a traveling vehicle.

FIG. 4 is a plan view showing the vicinity of a traveling vehicle.

FIG. 5 is a partially cutaway side view of an elevation detection device including a transverse acoustic wave transmitter and a transverse acoustic wave receiver.

FIG. 6 is a front view of a lift detection device.

FIG. 7 is a side view of an elevation drive unit in the elevation detection device.

FIG. 8 is a partial cross-sectional plan view of FIG.

FIG. 9 is a vertical cross-sectional side view showing a supporting state of the transverse acoustic wave transmission device.

FIG. 10 is a vertical cross-sectional side view showing a supporting state of the transverse acoustic wave receiving device.

FIG. 11 is a front view showing a strip lower end fixing device.

FIG. 12 is a vertical cross-sectional side view showing a lower end fixing device for a strip.

FIG. 13 is a perspective view showing a connection state of a position detector, a transverse acoustic wave transmitter, and a transverse acoustic wave receiver with respect to the elastic wave diagnostic device.

FIG. 14 is a front view showing another example of the lift detecting device.

15 is a cross-sectional view taken along the line AA of FIG.

FIG. 16 is a partially longitudinal side view showing a part of the diagnostic device for the surface layer of the structure according to the embodiment of the second invention.

FIG. 17 is a front view of the portion shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Structure 2 Traveling carriage 3 Winch 4 Support sheave 5 Article 6 Wall surface 7 Sucker 8 Article Lower end fixture 9 Elevating frame 10 Transverse acoustic wave transmitter 11 Transverse acoustic wave receiver 12 Chest wall 13 Rail 14 Traveling drive 15 Wheels 16 Traveling Position Detector 17 Suction Device 18 Guide Sheave 19 Wheel 20 Holding Member 22 Elevating Drive Device 23 Elevating Position Detector 26 Supporting Member 27 Rotor 28 Pushing Force Adjusting Member 29 Spring 30 Pushing Force Adjusting Member 31 Computer 32 Detection Device 33 Elastic wave diagnostic device 35 Guide rail 36 Traverse drive device 37 Feed screw rod 38 Traverse support member 39 Female screw member 40 Diagnostic device including CCD camera

Claims (2)

[Claims] 1. A winch 3 and a support sheave 4 are attached to a traveling carriage 2 which runs along a wall surface side of a roof of a structure 1, and a ridge 5 extended from the winch 3 is wound around the support sheave 4. At the same time, it is hung from the support sheave 4 along the wall surface 6, and the lower end portion of the strip body 5 is connected with a strip body lower end fixing tool 8 having a suction cup 7 attracted to the wall surface 6, and along the strip body 5. A diagnostic apparatus for a surface layer portion of a structure, in which a transverse acoustic wave diagnostic apparatus including a transverse acoustic wave transmitter 10 and a transverse acoustic wave receiver 11 is provided on an elevating frame 9 that moves up and down. 2. A winch 3 and a support sheave 4 are attached to a traveling carriage 2 that runs along the wall surface side of a roof of a structure 1, and a strip 5 extended from the winch 3 is wound around the support sheave 4. At the same time, it is hung from the support sheave 4 along the wall surface 6, and the lower end portion of the strip body 5 is connected with a strip body lower end fixing tool 8 having a suction cup 7 attracted to the wall surface 6, and along the strip body 5. CC on the lifting frame 9
A diagnostic device for a surface layer of a structure provided with a diagnostic device 40 including a D camera and the like.