JPH068552Y2 - Wall separation diagnostic device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is used for the diagnosis of peeling of exterior wall materials of buildings, etc. It is a wall separation tester that enables remote diagnosis even in the vicinity.

[Conventional technology]

As a conventional wall surface peeling diagnostic device, there is, for example, a device as shown in FIGS. This is what the applicants have applied for
-73658 (Japanese Patent Laid-Open No. 63-238555), the upper end of a chain 5 is fixed to a bracket 3 fixed to a roof parapet 2 of a building 1 with a screw jack 4, and by this chain 5. A lifter 7 equipped with a diagnostic device is hung along the wall surface 6.

The lifter 7 has a wall-side arm 8 and a biasing arm 9 whose upper ends are coaxially supported by a suspension shaft 10, and the leg opening angle θ formed by both arms can be set to an arbitrary size. . 11 is a weight attached to the lower end of the biasing arm 9,
Reference numeral 12 is a diagnostic device rotatably supported by a pin 13 at the lower end of the wall-side arm 8, and the urging arm 9 has its own length, the opening angle θ, and the power applied to the weight portion 11. A moment of force is generated due to the relationship, and the wall-side arm 8 is pressed and biased toward the wall surface 6 via the suspension shaft 10 by this moment. Therefore, the diagnostic device 14 mounted on the diagnostic device 12 is held close to the wall surface 6 so as to be able to diagnose the peeling condition of the finish material. Reference numeral 15 designates four wheels provided for the frame 16 having the diagnostic device 14 and the like mounted thereon to move along the wall surface 6, and 17 designates the wheels 1
5 is a sled attached so as not to fall into the recess of the wall surface.

As shown in FIG. 9, the diagnostic device 14 is attached to a horizontal slave shaft 19 that slides along a horizontal main shaft 18 provided on a frame 16 and moves left and right, and the horizontal slave shaft 19 slides along a vertical main shaft 20. Since it is designed to move in the vertical direction by the moving vertical slave shaft 21, at the one stop position of the diagnostic device 12, the frame 1
By moving up and down, left and right in the wall surface having an area corresponding to the size of 6, the peeling diagnosis of the tile as the wall surface finishing material can be performed.

The diagnostic signal and diagnostic position of the diagnostic device 14 are sent to a control device (not shown) via the power cable 22. Further, the diagnostic position includes a measurement position of the diagnostic device 12 (detected by a detection device (not shown)) and a horizontal slave shaft 19 and a vertical slave shaft 21 measured by potentiometers (not shown) provided on the horizontal spindle 18 and the vertical spindle 20. It is designed to be detected based on the amount of movement.

[Problems to be solved by the device]

However, in such a conventional exfoliation diagnostic device, since the diagnostic device is mounted on the frame having four wheels, a protrusion 6a as shown in FIG. 10 is formed on the wall surface to be diagnosed. If present, the diagnostic device frame 16,
An undiagnosable portion (hereinafter referred to as a blind spot) remains in a large area in the vicinity of the protrusion 6a due to the interference of the wheels 15 and the like, and in order to minimize this area, as described above, the horizontal main shaft 18, the horizontal slave shaft 19, The vertical main shaft 20, the vertical slave shaft 21, and a mechanism for sliding them together are required, which causes a problem that the device is complicated and large-sized.

In addition to the above-mentioned conventional example, a moving body (elevator) of a device that generally moves along a wall surface or the like to perform diagnosis has three support points for the wall surface such as wheels or sleds in order to stabilize the posture during diagnosis. Since there are points or more, a blind spot occurs when there is a protrusion or a large step on the wall surface, and there is the same problem as in the above embodiment.

The present invention has been made in view of such a conventional problem, and in order to reduce the blind spot in the front-rear direction of the elevator, the wheels are arranged on the same axis.
The purpose is to solve the above problems.

[Means for Solving the Problems]

The wall surface peeling diagnostic apparatus of the present invention comprises a suspension shaft suspended along a wall surface, a wall-side arm extending obliquely downward from the suspension shaft in a direction approaching the wall surface, and a lower end extending obliquely downward from the suspension shaft in a direction away from the wall surface. A urging arm that is equipped with a weight to give a moment to the wall-side arm in the direction in which its lower end approaches the wall surface;
A horizontal shaft attached to the lower end of the wall arm and supported in parallel with the wall surface, a plurality of wheels mounted on the shaft and rollingly contacting the wall surface, and formed long in the same direction as the horizontal shaft. In addition, the base mounted on the shaft and rotatably supported about the shaft and the rotatable base mounted on the base via a bracket fixed to the base are aligned with each other. A weight that keeps the weight constant, a hammer that taps the wall surface, and a microphone that collects the tapping sound of the wall surface are provided along the longitudinal direction of the base and all of them are attached to the base and are directed toward the wall surface. And a diagnostic device.

[Action]

Since the present invention is configured as described above, when there are protrusions or steps on the wall surface, the wheels and the base are arranged on the same axis, so the wheels are not aligned with the protrusions or steps. When the wall separation diagnostic device is moved to the abutting position, the plurality of diagnostic devices attached to the base can be moved to a position as close as possible to the protrusion or the step, and therefore the plurality of diagnostic devices can be used. It is possible to diagnose the wall surface just before the protrusion or the step. Therefore, the wall surface portion that cannot be diagnosed can be reduced within the area having the width of the wheel radius.

In addition, since many diagnostic devices are mounted horizontally along the base, it is possible to perform a delamination diagnosis of the finishing material on the wall over a predetermined width simply by moving the base up and down along the wall. For this reason, it is not necessary to move the diagnostic device laterally by one pitch as in the conventional case, and therefore neither means for moving the same nor means for measuring the moving position are required, and the time required for diagnosis is significantly increased. It can be shortened and the structure of the device can be simplified.

〔Example〕

The invention will be described below with reference to the drawings. 1 to 7 are views showing an embodiment of the present invention. The same parts as those of the conventional example are designated by the same reference numerals, and the duplicated description will be omitted.

First, the configuration will be described.

FIG. 1 (a) is a side view in which a part of the device according to the present invention is shown in section, FIG. 1 (b) is an enlarged sectional view of the base part, and FIG. 2 is shown in FIG.
It is an arrow A view in (a).

As shown in FIG. 1, a suspension shaft 1 suspended by a chain 5
At 0, the upper end of the wall side arm 8 on the wall surface 6 side and the upper end of the urging arm 9 are attached, and a weight 11 is attached to the lower end of the urging arm 9 so that the lower end of the wall side arm 8 is attached. Wall 6
It is the same as the conventional example in that it is biased toward.

As shown in FIG. 2, there are two such wall-side arms 8 in the direction along the wall surface 6, and a horizontal shaft 25 is installed between the lower ends of the two, and inside the both-wall-side arms 8 there is a shaft 25. Wheels 15 are attached. The wheel 15 is in contact with the wall surface 6 by the urging force of the weight 11, and the wheel 15 rolls up and down on the wall surface 6 as the suspension shaft 10 moves up and down as described later.

As shown in FIGS. 2 and 1 (b), the horizontal shaft 25
A base 31 is mounted between the two wheels 15.
The base 31 is made up of a plate on the upper surface, a plate on the surface far from the wall surface 6, a plate on the lower surface, and a plate on the side of both wheels 15 and is integral with the shaft 25.
A long box shape is formed along with, and the wall surface 6 side is open.
Further, the shaft 25 is attached to a plate on the wheels 15 side of the base 31.
Penetrates through the base 31, and the base 31 is rotatable about a shaft 25 by a bearing 26.

A bracket 32 is fixed to the lower surface of the base 31, a weight 34 is penetratingly supported by a bolt 33 projecting from the bracket 32, and the position is fixed by a nut 35. Due to the weight of the weight 34, the base 31 to which the diagnostic device 60, which will be described later, is attached is in a posture in which the diagnostic device 60 faces the wall surface 6. The bolt 35 has a sufficient length so that the position of the weight 34 can be changed in order to directly face the wall surface 6 of the diagnostic device 60.
Are also available in various weights.

As shown in FIG. 1 (b), the wall surface 6 of the base 31 is
A detachable case 36 is attached to the open portion on the side. The detachable case 36 engages with the base 31 in a concave-convex shape on the lower side,
The upper and lower parts are engaged with the engaging and disengaging parts 38 with screws and are detachably attached to the base 31.

A spring case 37 is fixed to the inside of the removable case 36, and a rod 39 having a diagnostic device 60 fixed to the outer end penetrates the removable case 36 and the spring case 37.
By the collar 39a fixed to the rod 39 and the compression spring S compressed between the collar 39a and the inner end of the spring case, the collar 39a attaches to the rod 39.
6 It is urged in the direction of pushing outward until it contacts the inner surface. Therefore, the diagnostic device 60 is elastically supported in the direction in which the compression spring S is compressed, and detachable from the base 31 by the detachable case 36. Thus, as will be described later, the diagnostic device 60 can be mounted horizontally according to the tile pitch of the wall surface.

FIG. 3 (a) is a III-III sectional view of the diagnostic device 60 in FIG. 1 (b), and FIG. 3 (b) is a IIIb-IIIb sectional view in FIG. 3 (a).

In FIG. 3, the diagnostic device 60 has a bottom plate 62 that slides along the wall surface 6, a box body 63 fixed to this bottom plate, and an upper lid 64 bolted to the top of this box body.

The box body 63 is attached to a mounting bracket 65 arranged around the box body so that the sliding spacer 67 is interposed by a pair of screws 66 facing each other so as to be rotatable around the screw 66 by about 10 degrees on each side in both directions. The mounting bracket 65 to which the box 63 is mounted is screwed to the other ends of the pair of mounting arms 68 fixed at one end to the holding bracket 61 to which the rod 39 is fixed at a position deviated from the screw 66 by 90 degrees. By 69, it is attached so as to be rotatable around the screw in both directions by about 10 degrees on each side with a sliding spacer 70 interposed.
Therefore, the box 63 and the bottom plate 62 are mounted via the mounting arm 68,
It is possible to swing about 10 degrees in all directions with respect to the base 30.

The box 63 has a recess 63a (see FIG. 3), and the bottom plate 62
A microphone hole 62a is formed in the recess 63a, a tap hole 62b is formed inside the box 63, and joint sensor holes 62c are formed on both sides of the tap hole 62b.

A mounting bracket 72 is bolted to the bottom plate 62 in the recess 63a of the box 63, and a microphone 73 is attached to the mounting bracket 72 and a vibration-proof bush 76.
The microphone 73 is attached via the bottom plate 62.
Facing the microphone hole 62a.

Further, a solenoid mounting plate 78 is bolted inside the box 63, a rotary solenoid 79 is mounted on the solenoid mounting plate 78, and a hammer mount 80 is screwed on a rotary shaft 79a of the rotary solenoid 79. A hammer 82, preferably made of steel, is attached to the hammer mount 80 via a coil spring 81.
Faces the tapping hole 62b formed in the bottom plate 62, and these constitute a striking device. Then, the stoppers 83 and 84 are fixed to the solenoid mounting plate 78 on both sides of the hammer mounting base 80, the rotating solenoid 79 is normally rotated, and the hammer 82 is projected into the tapping hole 62b to tap the exterior material of the wall surface 6, Rotating solenoid 79 reverses and hammer 8
Hammer mount 80 in which 2 is away from the tapping hole 62b
The rotation angle of the hammer 82 is regulated so that the rotation angle of the hammer 82 is made constant, and the hammering force for hammering the exterior material by the hammer 82 is made substantially constant.

When the hammer 82 hits the joint of the wall surface finishing material, the diagnostic device 60 distinguishes it from the tile material by a joint sensor (not shown) and a device that analyzes the output signal of the microphone 73 that collects the tapping sound. You can judge.

FIG. 4 is an overall view of the urging arm 9 that also functions as the lifting device of the lifting / lowering machine 7. 41 is a gear box, 42 and 42 are angle plates having circular windows fixed on both sides thereof, and 10 and 10 are A suspension shaft whose one end is fixed to this window portion, and 43 is a suspension bracket fixed to the end of the suspension shaft 10. A winding shaft 45 having a bevel gear 44 penetrating through the gear box 41, the angle plate 42, and the suspension shaft 10 is rotatably arranged via bearings (not shown). The sprocket 46 is fixed inside the suspension bracket 43. And this sprocket 46,
The elevator 7 is suspended on the chain 5 by the engagement of the chain 46 with the chains 5, 5.

A roller guide 47 is provided inside the suspension bracket 43.
Is fixed, and the roller guide prevents the chain 5 from coming off the sprocket 46.

The upper end of the biasing arm 9 is fixed to the lower part of the gear box 41, and the lifting motor 1 also serving as a weight is provided at the lower part of the biasing arm 1.
1a is attached. The biasing arm 9 is connected to the gear box 4
1. A hollow outer tube 48 having an upper end fixed to 1 and an inner tube 49 slidably fitted to the outer tube and having a lifting motor 11a fixed to the lower end thereof. The mechanical length of the outer tube 48 and the inner tube 49 is
It can be arbitrarily set by fixing the mutual sliding with and by the screw 50. The output shaft of the lifting motor 11a is the inner pipe 4
9 is connected to the lower end of a spline shaft 51 provided inside, and this spline shaft is spline-coupled with a pipe shaft 52 provided inside the outer pipe 48, and the upper end of the pipe shaft 52 is provided with a bevel gear in a gear box 41. 53 is fixed, and this bevel gear meshes with the bevel gear 44 fixed to the winding shaft 45 to form a reduction mechanism.

With this configuration, when the lifting motor 11a is rotated in the forward or reverse direction, the sprockets 46, 46 are rotated in the normal or reverse direction via the spline shaft 51, the pipe shaft 52, the bevel gears 53, 44, and the winding shaft 45, so that the biasing arm 9 is driven. At the same time, the elevator 7 is moved up and down along the wall surface 6.

The angle plate 42 is provided with screw holes 42a on the same circumference at equal angular intervals (15 degrees in this embodiment) (see FIG. 5 (b)). The upper end of the wall-side arm 8 is fixed to a ring-shaped engaging plate 54 having a through hole 54a at the same position as the screw hole 42a of the angle plate 42. Align the plate 42 with an arbitrary angular position and attach the bolt 55 to the through hole 54a.
The wall-side arm 8 is fixed to the gear box 41 with an inclination of θ ₂ (a multiple of 15 degrees in the present embodiment) with respect to the vertical direction A by being inserted into and screwed into the screw hole 42a. (See Fig. 5 (c)).

A device for measuring the length of the power supply cable 22 for supplying power to the diagnostic device 30 is installed on the ground directly below the wall surface 6, and the vertical movement amount of the diagnostic device 60 is detected to diagnose the tile or the like. The position of can be specified.

Next, the operation will be described.

The lifter 7 is suspended from the roof of the building by the chain 5 along the wall surface 6 as in the conventional example. At this time, the chain 5 engages with the sprocket 46 and holds the suspension shaft 10.
Here, if the biasing arm 9 is inclined with respect to the suspension shaft 10 in the direction opposite to the wall side arm 8 with respect to the vertical direction by an angle θ ₁ , the moment acting around the suspension shaft 10 due to the gravity of the weight 11 causes the wall to move. The diagnostic device 30, which is rotatably attached to the horizontal shaft 25 via the bearing 26 at the end of the side arm 8, is pressed and biased against the wall surface 6 at an inclination of an angle θ ₂ .

At this time, the length of the biasing arm 9 is set at a predetermined position by loosening the screw 50 in FIG. 4 (a) and sliding the outer pipe 48 and the inner pipe 49 and the spline shaft 51 and the pipe shaft 52 to each other. It is set arbitrarily by tightening the screw 50 with. Further, by appropriately selecting the relative position between the angle plate 42 and the engaging plate 54 shown in FIG. 5 and fixing them with bolts 55, the inclination angle θ ₂ of the wall side arm 9 with respect to the vertical direction is arbitrarily set. By adjusting the length and the angle θ ₂ of the wall side arm 9 as described above, the weight portion 1
It is possible to adjust the pressing force of the diagnostic device 60 due to the moment associated with the gravity of 1.

Next, when the diagnostic device 60 is pressed against the wall surface 6, it is necessary that the bottom plate 62 of the diagnostic device 60 is in contact with the wall surface 6 at the front surface for accurate diagnosis, and for that purpose, the horizontal shaft 25
The line connecting the center of the and the center of the diagnostic device 60 must be kept at a right angle to the wall surface 6. This relationship is shown in the mechanical schematic diagrams of FIGS.

In the figure, the diagnostic device 60 and the weight 34 have an opening angle (θ _w +
are fixed in theta _s), because it can freely rotate about a horizontal axis 25, rotation moment _{M s} by weight of the diagnostic unit 60, where _{M s = a · S g ·} sinθ s, a: the center of rotation From the center of gravity of the diagnostic device 60 to the center of gravity of the diagnostic device 60 S _g : Weight of the diagnostic device θ _s : Angle formed by the weight direction and a Rotation moment M _w by the weight 34 is M _w = b · W _g · cos θ _w, where b : Distance from the center of rotation to the center of gravity of the weight 34 W _g : Weight of the weight θ _w : Angle formed by the weight direction and b Therefore, the balance condition is M _s = M _w , so a · S _g · sin θ _s = b · W _g · cos θ _w Loosen the nut 35 and satisfy the weight 34 so that this condition is satisfied.
If the weight of the weight is selected, and the position of the weight on the bolt 33 is selected and θ _w and W _g are set, the diagnostic device 60 is always at the angle θ _s with respect to the gravity direction even if the lifter 7 moves. It will be constant.
Therefore, if the wall surface 6 has a constant angle with respect to the gravity direction and is uniform, the angle of the diagnostic device 60 with respect to the wall surface 6 can be kept constant.

Further, when the diagnostic device 60 slides on the wall surface 6, θ _s changes due to friction with the wall surface 6, but this change amount increases the weight W _g of the weight 34 under the above-mentioned balance condition,
_It can be reduced by reducing _w . From this, it is possible to control the change amount of θ _s due to friction within the allowable value by appropriately selecting W _g and θ _w .

Further, for small changes in θ _s , in the diagnostic device 60, the sliding spacers 67, 70 are interposed between the screws 66, 69, the box 63, and the mounting bracket 65.
The bottom plate 62 can be dealt with by being able to swing about 10 degrees in all directions with respect to the base 31 via the mounting arm 68.

Next, the operation principle of the finish material separation diagnosis of the wall surface 6 by the diagnostic device 60 is the same as that of the conventional example, and the finish material tapping sound by the hammer 82 is collected by the microphone 73, and the waveform is generated by the separately provided analysis device. The peeling state is detected by analyzing and comparing the damping characteristics and the like.

In addition, the position of the diagnosed tile or the like can be known in the horizontal direction from the position of the diagnostic device 60 mounted on the base 31 according to the tile pitch, and in the vertical direction, the expansion / contraction amount of the power cable 22. The vertical position between the reference position on the ground and the diagnostic device 60 is detected by counting the pulse signal accompanying the rotation of the rotary shaft of the rotary encoder (not shown) attached to the winder installed on the ground. can do.

The detection of the vertical position is not limited to the above method,
For example, a method of mounting a light wave range finder on a base 31 and installing a reflector on the ground directly below it to measure the distance between the range finder and the reflector is also possible by mounting the reflector on the base 31 and mounting the range finder on the ground. May be installed on the base 31, and the accelerometer 31
The position of the diagnostic device may be detected as an amount of movement of the diagnostic device 60 from a known start point by processing the acceleration acting on the diagnostic device 60 in the vicinity of the diagnostic device 60 by an integrating circuit or a computer.

[Effect of device]

As described above, according to the present invention, the weight for holding the diagnostic device or the like in a certain direction is used, and the wheels provided on the horizontal shaft can support the device at two points with respect to the wall surface. Even if there is an irregular obstacle, it is possible to move the diagnostic device to the immediate vicinity of the obstacle. In addition, since a large number of diagnostic devices are arranged in the horizontal direction, there is no need for a mechanism that moves laterally with respect to the wheels and the pedestal supported by them, and the device configuration can be simplified, thus making the device smaller and lighter. It is possible and easy to handle. In addition, since the control can be simple, the operation is simple and the work efficiency can be greatly improved.

[Brief description of drawings]

FIG. 1 (a) is a side view in which a part of the embodiment according to the present invention is shown in section, FIG. 1 (b) is a partially enlarged sectional view of FIG. 1 (a), and FIG. FIG. 3 (a) is an enlarged sectional view taken along the line III-III in FIG. 1 (b), and FIG. 3 (b) is a portion IIIb- in FIG.
IIIb sectional view, Fig. 4 (a) is an overall view of the biasing arm, Fig. 4 (b)
Is a partial side view of FIG. 5 (a), FIG. 5 (a) is a half front view of the gear box, and FIG. 5 (b) is Vb-Vb in FIG.
Sectional view, FIG. 3C is a sectional view taken along line Vc-Vc in FIG.
6 and 7 are schematic views showing the mechanical relationship between the diagnostic device and the weight, FIG. 8 is an overall side view of the conventional example, FIG. 9 is a front view of a main part of the conventional example, and FIG. 10 is a conventional example. It is explanatory drawing of the trouble by. 1 ... Building, 6 ... Wall surface, 8 ... Wall arm, 9 ... Energizing arm, 10 ... Suspension axis, 11 ... Weight, 14, 60 ...
… Diagnostic device, 15 …… Wheels, 25 …… Horizontal axis, 31 ……
Base, 34 ... Weight, 32 ... Bracket, 73 ... Microphone, 82 ... Hammer.

Claims (2)

[Scope of utility model registration request] 1. A suspension shaft suspended along a wall surface, a wall arm extending obliquely downward from the suspension shaft in a direction approaching the wall surface, and a weight extending downward from the suspension shaft obliquely downward from the wall surface and having a weight at the lower end. The wall-side arm is provided with a biasing arm that gives a moment in the direction in which its lower end approaches the wall surface, a horizontal shaft attached to the lower end of the wall-side arm and supported parallel to the wall surface, and mounted on this shaft. A plurality of wheels that make rolling contact with the wall surface, a base that is formed long in the same direction as the horizontal shaft, is attached to the shaft, and is rotatably supported around the shaft, and is fixed to the base. A weight attached to the base via a bracket for keeping the direction of the rotatable base constant by weight, a hammer for hitting the wall surface, and a microphone for collecting the tapping sound of the wall surface. Along the longitudinal direction of the table and eventually Wall peeling diagnostic apparatus being characterized in that and a number attached diagnostic devices to the base directed towards the wall. 2. The wall surface peeling diagnostic device according to claim 1, wherein a diagnostic device is attached to the base via an elastic body.