KR102195855B1 - Safety diagnosis crack measurement device for facilities that can easily measure crack information - Google Patents

Abstract

The present invention relates to a crack measuring device for safety diagnosis of a facility with ease of measurement of crack information. According to the present invention, the crack measuring device for safety diagnosis of a facility with ease of measurement of crack information comprises: a camera for capturing a crack; a rotating head installed on one side of the camera; a head fixing member; an extension rod; a handle; a terminal holder; a signal cable; and a crack measuring member. According to the present invention, the size of a crack can be easily measured.

Description

Safety diagnosis crack measurement device for facilities that can easily measure crack information}

The present invention relates to a crack measurement apparatus for safety diagnosis of a facility in which it is easy to measure crack information for performing a safety diagnosis according to a crack of a structure.

In general, since cracks occur in relatively weak areas of structures, safety diagnosis is performed when a crack occurs in the structure.

When performing the safety diagnosis of the structure, it is important to identify the crack.When measuring the crack of the structure, use a tool that can measure the size of the crack, such as a ruler or calipers, and the location of the crack is far from a distance, such as the ceiling or the top of the structure. If located, cracks are difficult to grasp.

In order to solve this problem, a device for measuring cracks has been disclosed in Korean Patent Publication No. 10-1805664 (announced on Dec. 6, 2017), "a crack measuring device for safety diagnosis capable of measuring the progress of a crack in a facility".

The conventional crack measuring device for safety diagnosis includes: a measuring unit for performing a safety diagnosis by photographing a crack in a structure with a camera; A housing installed on the camera side of the measurement unit to prevent rainwater from flowing in by closing the gap between the measurement unit and the structure, and a housing that prevents rainwater from entering by closing the gap between the measurement unit and the structure, and A waterproof part including a sealing member installed on the rim and a vacuum pump installed in a drain pipe connected to a drain hole formed in the housing; An elevating unit for raising and lowering the measuring unit to perform a safety diagnosis on an upper portion of a structure out of reach of an operator; A wireless communication unit for transmitting an operator's manipulation signal to the measurement unit so that the operator holding the lower end of the elevating unit can drive the measurement unit; A first firing portion installed in the housing and emitting and bonding the light emitting portion to one side of the cracked portion; A second emitting unit installed in the housing and emitting and bonding the light receiving unit to the other side of the cracked area; It is configured to include a display panel connected to a terminal receiving the progress signal of the crack transmitted from the light receiving unit, and installed on the hard hat of the worker to output information transmitted from the terminal.

The conventional crack measuring device for safety diagnosis of this configuration was able to easily identify the crack by photographing the crack located at a distance from the operator with a camera.

However, conventional crack gauges for safety diagnosis can only photograph and view cracks with a camera, and it is difficult to measure the size of cracks through the photographed images, and it is not possible to mark the cracked part, so the cracked part When observing or performing repairs, there was a problem of finding the crack again.

In addition, it is difficult to manufacture because the structure is complex, and there is a problem in that manufacturing cost increases because an expensive lens must be installed to enlarge or reduce the crack, and a display panel to check the captured image is installed separately. There was a problem that the weaving cost was increased.

The present invention was conceived to solve the above problems, and the problem to be solved by the present invention is that a crack measuring member is installed in front of the camera so that the crack measuring member is photographed by a camera along with the crack to measure the scale of the crack measuring member. Not only can the size of the crack be easily measured, but also cameras and crack indicator members are installed on both sides of the rotating head, so that the crack is photographed and measured by the camera at the operator's choice, or cracks are detected by the crack indicator member. The purpose of this is to provide a crack measurement device for safety diagnosis of facilities that can easily measure crack information that can easily identify cracks and repair cracks by observing the growth of cracks by marking the occurrence area.

In addition, since the terminal holder is installed, it is possible to check the cracks photographed by the camera through the operator's portable terminal, which not only reduces the manufacturing cost, but also reduces the manufacturing cost, and the crack measurement member is supported on the crack surface, making it unclear due to shaking when the camera is photographed. Providing a single image can be prevented, and since the crack measurement member is installed to be movable forward and backward in front of the camera, the crack can be enlarged or reduced without an expensive lens, thereby reducing the manufacturing cost. The purpose of this study is to provide a crack measurement device for safety diagnosis of facilities that can easily measure crack information.

In addition, since the operation lever is installed on the handle, the rotating head rotates according to the operation of the operation lever, so it is easy to operate. A focus limiting member is installed on the spacing guide bar to reduce the distance between the camera and the crack measurement member. It is an object of the present invention to provide a crack measurement device for safety diagnosis of facilities that facilitates the measurement of crack information that can prevent unclear images from being photographed out of focus.

In order to achieve the above object, the apparatus for safety diagnosis crack measurement of a facility in which the measurement of crack information is easy according to an embodiment of the present invention includes a camera for photographing cracks, a rotating head having the camera installed on one surface, and one surface of the rotating head. A head fixing member that faces the crack and photographs the crack by the camera, or the rotation head is rotatably installed 180° around a hinge axis so that the other surface of the rotation head faces the crack, and the camera is a worker An extension rod to which the head fixing member is coupled to one end to photograph a crack located at a distant distance from the camera, a handle positioned at the other end of the extension rod to be gripped by an operator, and installed on the other surface of the rotating head to cause a crack A crack display member that displays on the crack surface, a terminal holder installed at a portion of the extension rod where the handle is located to mount a portable terminal displaying an image photographed by the camera, and the portable terminal receiving an image signal photographed by the camera A signal cable connected to the camera and having a connection terminal connected to the mobile terminal to display an image captured by the camera in the mobile terminal, and photographed together with the crack by the camera to measure the size of the crack A crack measuring member formed of a transparent body with a scale marked on the rotating head to provide a scale, and enlarged the crack photographed by the camera by adjusting the gap between the camera and the crack measuring member, A spacing guide bar slidably coupled to the crack measurement member from the rotation head to the front and rear sides photographed by the camera so as to shrink, and when the pressing force is released while the gap between the camera and the crack measurement member is narrowed, the crack measurement And a spacing return spring for supporting the crack measuring member by an elastic force in the rotating head while being fitted to the spacing guide bar so that the member is supported by an elastic force to an initial position.

An operation lever installed at a portion where the handle is positioned, and a rotary operation wire connecting the operation lever and the rotary head to pull and rotate the rotary head according to the operation of the operation lever.

It may include a head return spring installed between the rotation head and the head fixing member to return the rotation head to the initial position rotated by the head fixing member when the pulling of the rotation operation wire is released.

The spacing guide rod has a thread formed on the outer surface and is screwed to the screw thread of the spacing guide bar to prevent measurement of cracks outside the focal length of the camera, so that it moves along the spacing guide bar to measure the crack in the rotating head. It may include a focus limiting member for limiting the moving distance of the member.

According to the present invention, a crack measuring member is installed in front of the camera so that the crack measuring member is photographed by the camera along with the crack, so that the size of the crack can be easily measured through the scale of the crack measuring member. Cameras and crack indication members are installed on both sides respectively, and the cracks are photographed and measured by the camera at the choice of the operator, or the crack growth is observed by marking the cracked part by the crack indication member, or the point where the crack has occurred. It can be easily identified and repaired for cracks.

In addition, since the terminal holder is installed, it is possible to check the cracks photographed by the camera through the operator's portable terminal, which not only reduces the manufacturing cost, but also reduces the manufacturing cost, and the crack measurement member is supported on the crack surface, making it unclear due to shaking when the camera is photographed. Providing a single image can be prevented, and since the crack measurement member is installed to be movable forward and backward in front of the camera, it is possible to enlarge or reduce the crack without an expensive lens, thereby reducing the manufacturing cost. .

In addition, since the operation lever is installed on the handle, the rotating head rotates according to the operation of the operation lever, so it is easy to operate. A focus limiting member is installed on the spacing guide bar to reduce the distance between the camera and the crack measurement member. It is possible to prevent an unclear image from being photographed out of focus.

1 is a perspective view showing a safety diagnosis crack measurement apparatus for a facility in which it is easy to measure crack information according to an embodiment of the present invention.
2 is a side view showing a crack measurement device for safety diagnosis of a facility in which crack information can be easily measured according to an embodiment of the present invention, and shows a state in which cracks are measured by a camera.
3 is a side view showing a crack measurement device for safety diagnosis of a facility in which it is easy to measure crack information according to an embodiment of the present invention, and shows a state in which cracks are marked by a crack indicator member according to the operation of the operating lever. .
4 is a diagram schematically showing an image taken by a camera of a safety diagnosis crack measurement apparatus for a facility in which crack information can be easily measured according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in FIGS. 1 to 3, the apparatus 100 for safety diagnosis crack measurement of a facility in which crack information can be easily measured according to an embodiment of the present invention may include a camera 150.

The camera 150 may photograph cracks, and the camera 150 may be a digital camera 150 that converts the photographed image into an image signal and provides it.

The camera 150 may include a signal cable 151.

The signal cable 151 may transmit an image signal photographed by the camera 150. One end of the signal cable 151 may be coupled to the camera 150, and the other end of the signal cable 151 may be provided with a connection terminal connected to the portable terminal 200 to be described below to transmit an image signal.

The camera 150 may also be implemented as an endoscope camera.

Power of the camera 150 may be supplied through a separate secondary battery, or an image may be captured by receiving power from the portable terminal 200 through a signal cable 151.

As shown in Figures 1 to 3, the safety diagnosis crack measurement device of a facility in which it is easy to measure crack information according to an embodiment of the present invention may include a rotating head 110, and a head fixing member 120. have.

The rotating head 110 may be formed in a block shape, and a camera 150 is installed on one surface 111 of the rotating head 110 to detect a crack located facing the surface 111 of the rotating head 110. You can shoot by 150.

In the head fixing member 120, the end of the rotating head 110 is coupled by a hinge pin 117 so that the rotation head 110 rotates 180° in the head fixing member 120 around the hinge pin 117 The rotating head 110 may be rotatably installed so that one surface 111 of the rotating head 110 on which the camera 150 is installed looks at the crack, or the other surface 112 of the rotating head 110 looks at the crack. .

As shown in Figs. 1 to 4, the safety diagnosis crack measurement apparatus for a facility in which the measurement of crack information is easy according to an embodiment of the present invention includes an extension bar, a handle 131, and a terminal holder 140. I can.

The extension rod may be positioned by extending the position of the camera 150 so that cracks located at a distance from the operator, such as a ceiling, can be photographed by the camera 150.

The extension rod is formed in a rod shape, a head fixing member 120 may be fixedly installed at one end of the extension rod, and a handle 131 held by a worker may be installed at the other end of the extension rod.

The handle 131 may be configured in a form of forming rubber, synthetic resin, leather, or a pattern capable of preventing slipping in order to prevent it from being easily slipped when gripped by an operator.

The terminal cradle 140 may be installed at a portion of the extension bar where the handle 131 is located, and the terminal cradle 140 may be mounted by inserting the rear terminal 200.

Here, the rear terminal 200 may be a terminal having a display capable of displaying an image such as a smartphone or a tablet PC carried by an operator, and the connection terminal of the signal cable 151 is in the rear terminal 200 A connection terminal to be connected may be installed to receive an image signal from the camera 150 transmitted through the connection terminal and display it through the later terminal 200.

In this case, the later terminal 200 may display an image captured by the camera 150 in real time, and may store the captured image in the form of a moving image or a still image, or may control the camera 150 to shoot.

Since the terminal terminal cradle 140 is located at a portion where the handle 131 is located, for example, if the cracked portion is a ceiling, it can be easily checked through the rear terminal 200 without looking at the ceiling.

Of course, the signal cable 151 of the camera 150 extends from the camera 150 positioned at one end of the extension bar to the portion where the terminal terminal cradle 140 positioned at the other end of the extension bar is positioned. A later terminal 200 can be connected.

Since the terminal cradle 140 may have various known structures in which the rear terminal 200 can be detached and mounted, a detailed description thereof will be omitted.

As shown in Figures 1 to 3, the safety diagnosis crack measurement device of a facility in which the measurement of crack information is easy according to an embodiment of the present invention includes a crack display member 170, and a crack measurement member 160 I can.

The crack display member 170 may be displayed on the crack surface where the crack has occurred so as to observe the growth of the crack according to the safety diagnosis, or to easily identify the cracked portion to repair the crack.

The crack display member 170 may be implemented with chalk, and the chalk may be configured to easily replace the chalk when the chalk is worn by inserting the chalk into the holder including the holder.

The crack display member 170 is installed on the other surface 112 of the rotating head 110, that is, the surface located in the opposite direction of the surface on which the camera 150 is located in the rotating head 110, and When the other surface 112 of the rotation head 110 rotates to face the crack, the crack display member 170 installed on the other surface 112 of the rotation head 110 faces the crack and may display a portion where the crack occurs.

The crack measuring member 160 may measure the crack, and support the crack surface when photographing with the camera 150 at the same time as the crack measurement to prevent the image from shaking due to hand shake.

The crack measuring member 160 is located in front of the camera 150 to capture an image, and photographed together with the crack by the camera 150 to measure the size of the crack through the rear terminal 200 (see FIG. 4 ). ).

The crack measuring member 160 may have a scale for measuring the size of the crack in the crack measuring member 160, and the crack measuring member 160 is formed in a cross shape to measure the horizontal or vertical length of the crack. have.

The crack measurement member 160 may be formed of a transparent body so that only the scale with the crack is photographed when the crack is photographed with the camera 150, and the scale can have a color that is easily visible visually when photographed by the camera 150. have.

As shown in Figs. 1 to 3, the apparatus for measuring cracks for safety diagnosis of facilities in which crack information can be easily measured according to an embodiment of the present invention includes a gap guide bar 161, a gap return spring 163, and a focus limit. A member 165 may be included.

The gap guide bar 161 is positioned in front of the camera 150 to adjust the distance between the crack measuring member 160 supported on the crack surface and the camera 150, and the size of the crack photographed by the camera 150 Can be adjusted.

For example, when the camera 150 is closer to the crack measurement member 160 while the crack measurement member 160 is supported on the crack surface, the size of the crack to be photographed increases, and the camera 150 in the crack measurement member 160 The larger the distance of the image, the smaller the size of the crack to be photographed.

The spacing guide bar 161 may be installed at one end of the crack measuring member 160 so that it can be positioned in front of the camera 150, and the other end of the spacing guide bar 161 is a rotating head on which the camera 150 is located. It may be fitted to be slidably movable so as to penetrate from one surface 111 of 110 to the other surface 112.

At this time, the rotation head 110 may be formed through a rod fitting hole 113 through which the spacing guide rod 161 is inserted, and the other end of the spacing guide rod 161 passing through the rod fitting hole 113 In the rotating head 110, a spanning jaw portion may be formed that extends through the rod fitting hole 113 of the spacing guide rod 161 to prevent separation.

When the gap return spring 163 is pressed so that the distance between the crack measuring member 160 and the camera 150 becomes close to adjust the size of the crack photographed by the camera 150, the elastic force is accumulated while being compressed, and the pressing force is released. Then, the camera 150 and the crack measuring member 160 may be returned to the initial position by the elastic force so that the distance between the camera 150 and the crack measuring member 160 is separated.

The gap return spring 163 may be implemented as a compression coil spring, and the gap return spring 163 is inserted between the rotation head 110 and the crack measuring member 160 in a state inserted through the gap guide rod 161. It is installed and can support the crack measuring member 160 by the elastic force in the rotating head 110.

The focus guide member is installed on the spacing guide rod 161 to prevent the crack from being photographed faintly as the distance between the camera 150 and the crack measurement member 160 beyond the focus of the camera 150 is approached. It is possible to limit the movement of the crack measuring member 160 so that 160 does not deviate from the focal length of the camera 150.

The focus guide member may be installed by being inserted into the spacing guide bar 161, and the focus guide member is a distance that moves together with the crack measuring member 160 in the rotation head 110 by adjusting the position at the spacing guide bar 161 It is possible to prevent the guide rod 161 from moving away from the focus of the camera 150 and preventing the crack measuring member 160 from approaching.

At this time, a thread is formed on the outer surface of the spacing guide bar 161, and a thread corresponding to the spacing guide bar 161 is formed on the inner periphery of the focus guide member, so that the focus guide member is rotated in the spacing guide bar 161. Accordingly, the position of the focus guide member in the spacing guide rod 161 can be adjusted by screwing.

As shown in Figs. 1 to 3, a safety diagnosis crack measurement apparatus for a facility in which crack information can be easily measured according to an embodiment of the present invention includes a head return spring 125, a rotating operation wire 137, and an operation lever ( 135).

Head return spring 125 is positioned so that one surface 111 of the rotating head 110 faces the crack surface, and the other surface 112 of the rotating head 110 is forced to face the crack surface. When the rotating head 110 is rotated, the elastic force is accumulated, and when the forcing force to rotate the rotating head 110 is released, the rotating head 110 is elastic force so that one surface 111 of the rotating head 110 faces the crack surface again by the accumulated elastic force. It can return to the initial position by.

The head return spring 125 may be implemented by a torsion spring that accumulates elastic force when it is twisted, and one end of the head return spring 125 is coupled to the rotating head 110, and the other end is coupled to the head fixing member 120. As the rotation head 110 rotates, it is twisted and elastic force may be accumulated.

The rotary operation wire 137 has one end coupled to the rotary head 110 and the other end extended to the handle 131 to be connected to an operation lever 135 to be described below.

Rotation operation wire 137 is rotated by being fixed to the wire fixing part 115 formed on one side 111 of the rotation head 110 in a state in which one side 111 of the rotation head 110 is positioned to face the crack When the operating wire 137 is pulled downward from the portion where the handle 131 is located, the other surface 112 of the rotating head 110 rotates to face the crack, and when the pulling force of the rotating operating wire 137 is released, the head One surface 111 of the rotation head 110 may be rotated to face the crack surface again by the elastic force of the return spring 125.

The operation lever 135 is installed so as to be rotatable at a portion where the handle 131 is located, so that the rotation operation wire 137 can be pulled downward or released according to the rotation of the operation lever 135.

The operating lever 135 may be configured to rotate around a lever pin in the handle 131 while being gripped together when the handle 131 is gripped.

At this time, the rotary operation wire 137 is located at an eccentric position around the lever pin of the operation lever 135 to rotate the rotary head 110 according to the rotation of the operation lever 135, the rotary operation wire 137 Can be rotated.

And, in the extension 130, the rotation operation wire 137 and the signal cable 151 are arranged and fixed in the extension 130 to prevent tangling with each other. Clips may be installed.

A plurality of tidy clips may be installed depending on the length of the extension 130.

Hereinafter, the action and effect between each component will be described.

In the safety diagnosis crack measurement apparatus 100 for a facility for easy measurement of crack information according to an embodiment of the present invention, a camera 150 is installed on one side 111 of the rotating head 110, and the other side 112 is cracked. The display member 170 is installed.

In addition, one end of the rotating head 110 is coupled to the head fixing member 120 by a hinge pin 117 so as to be rotatably installed around the hinge pin 117 to crack according to the rotation direction of the rotating head 110 The display member 170 may be positioned to face the crack surface to mark the crack surface by the crack display member 170 or the camera 150 may be positioned to face the crack surface to photograph the crack.

A head return spring 125 is installed between the rotating head 110 and the head fixing member 120 so that the crack display member 170 is positioned so that one surface 111 of the rotating head 110 faces the crack surface. When the rotating head 110 rotates in the head fixing member 120 so as to face the crack surface, an elastic force is accumulated so that one surface 111 of the rotating head 110 may be installed to face the crack surface again by the elastic force.

In addition, a head fixing member 120 is fixedly installed at one end of the extension 130, a handle 131 is installed at the other end of the extension 130, and a rear terminal 200 at the portion where the handle 131 is located. ), a terminal cradle 140 is installed, and a rear terminal 200 is installed on the terminal cradle 140 to connect the signal cable 151 of the camera 150.

On the other hand, on one side 111 of the rotating head 110 in which the camera 150 is located in the rotating head 110, a cross-shaped crack measuring member 160 in which a scale for measuring cracks is displayed in front of the camera 150 is displayed. Is installed, and the crack measurement member 160 is installed to move from the front to the front and rear of the camera 150 by the spacing guide rod 161.

A focus limiting member 165 that restricts the movement of the crack measuring member 160 so as not to deviate from the close focus of the camera 150 is installed on the spacing guide bar 161 to enable position adjustment at the spacing guide bar 161, A gap return spring 163 is installed between the crack measuring member 160 and the rotating head 110.

An operation lever 135 is rotatably installed at a portion where the handle 131 is located, and the operation lever 135 and the rotary head 110 are connected to each other by a rotary operation wire 137, and a rotary operation wire 137 ) Is pulled to the lower portion where the handle 131 is positioned according to the rotation of the operating lever 135 so as to rotate the rotating head 110 in the head fixing member 120.

The safety diagnosis crack measurement apparatus 100 for a facility in which the measurement of crack information is easy according to an embodiment of the present invention configured as described above, while holding the handle 131 of the extension 130, the crack measurement member 160 It adheres to the cracked surface where the crack occurred

When the crack measuring member 160 is in close contact with the crack surface, the camera 150 photographs the crack. When photographing the crack, the crack measuring member 160 is photographed together with the crack.

In addition, the captured image is transmitted to the later terminal 200 through the signal cable 151, and the image captured by the later terminal 200 is displayed to easily check the condition of the crack located at a distance from the operator. Since the crack measuring member 160 is photographed together with the photographed image, the size of the crack can be easily measured through the scale marked on the crack measuring member 160 (see FIG. 4).

On the other hand, when pressing the extension 130 toward the crack surface while holding the handle 131, the rotating head 110 slides along the spacing guide bar 161, and the camera ( The distance of 150) can be enlarged and the photographed crack can be seen, and when the pressure is released, the enlarged crack can be reduced and photographed while returning to the initial position by the elastic force of the gap return spring 163.

That is, if the extension 130 is pressed against the crack surface at the part where the crack is enlarged and desired to be viewed, the camera 150 approaches the crack and provides an enlarged image. When the pressing force is released, the crack is photographed at the initial size. can see.

At this time, since the crack measuring member 160 is supported on the crack surface, hand shaking occurs due to the weight of the rotating head 110 to prevent vibration in the image photographed by the camera 150, thereby photographing a clear crack. can see.

And, when the camera 150 is maximally pressed so as to be close to the crack measuring member 160, the focus limiting member 165 installed on the spacing guide bar 161 spans the rotation head 110 and the crack measuring member 160 and By limiting the limit at which the camera 150 can be brought close, it is possible to prevent the camera 150 from being photographed unclearly due to the out of focus.

On the other hand, after measuring the crack, it is indicated on the part where the crack occurs by the crack display member 170 in order to need repair or observe the growth of the crack.

When the operation lever 135 of the handle 131 is pulled, the rotation operation wire 137 is pulled downward according to the rotation of the operation lever 135, and the rotation head ( 110) rotates.

When the rotating head 110 rotates, the crack display member 170 faces the crack instead of the camera 150 that faces the crack, and after the crack is displayed by the crack display member 170, the operating lever ( 135), while the pulling force of the rotating wire 137 is released, one side 111 on which the camera 150 is installed in the rotating head 110 to face the crack again by the elastic force of the head return spring 125 The crack can be measured again facing the crack.

Therefore, the safety diagnosis crack measurement apparatus 100 for a facility in which the measurement of crack information is easy according to an embodiment of the present invention, a camera 150 is installed on the rotating head 110 installed on the extension 130 In addition to being able to easily photograph the located crack, the crack measuring member 160 is positioned in front of the camera 150 to be photographed by the camera 150 along with the crack, so that the size of the crack can be easily measured.

In addition, a crack display member 170 is installed on the other surface 112 of the rotating head 110 so that not only can the display be performed on the part where the crack occurs due to the rotation of the rotating head 110, but also the rotating head 110 The rotating head 110 is connected by the rotating operation wire 137 and the operation lever 135 to rotate according to the operation of the operation lever 135, thereby easily rotating the rotating head 110 to selectively rotate the camera 150 The crack can be photographed by) or the crack can be displayed by the crack display member 170.

In addition, the crack measurement member 160 is installed so as to be slidable from the front to the front and rear of the camera 150 by the spacing guide bar 161 so that the gap between the camera 150 and the crack is eliminated without the need for expensive lenses. By controlling it, it is possible to enlarge or reduce the crack and reduce the manufacturing cost.

In addition, a focus limiting member 165 is installed on the spacing guide bar 161 so that a crack is photographed at a location where the gap is out of focus between the camera 150 and the crack measuring member 160 to provide an unclear image. Can be prevented.

In addition, the terminal cradle 140 is installed at the portion where the handle 131 is positioned, and the signal cable 151 of the camera 150 extends to the portion where the handle 131 is positioned so that the handle 131 is positioned. Not only can the cracks be easily identified and measured through the image captured in, but also the production cost can be reduced by checking the photographed cracks using the worker's later terminal 200 without the need for an expensive display device.

In the above, the embodiments of the present invention have been described, but the scope of the present invention is not limited thereto, and the embodiments of the present invention are easily changed by those of ordinary skill in the technical field to which the present invention pertains and are recognized as equivalent. Includes all changes and modifications to the extent that they are made

100: A crack measurement device for safety diagnosis of a facility where the measurement of crack information is easy
110: rotating head 111: one side
112; Tarm 113: Bong-kip hole
115: wire fixing part 117: hinge pin
120: head fixing member 125; Head return spring
130: extension 131: handle
135: operating lever 137: rotating operating wire
140: terminal mount 150: camera
151: signal cable 160: crack measuring member
161: spacing guide rod 163: spacing return spring
165: focus limiting member 170: crack indication member
200: mobile terminal

Claims (4)

Camera to shoot cracks,
A rotating head on which the camera is installed on one side,
A head installed so that one side of the rotation head faces the crack and photographs the crack by the camera, or the side end of the rotation head is rotatable at 180° around a hinge axis so that the other surface of the rotation head faces the crack Fixing member,
An extension rod to which the head fixing member is coupled to one end so that the camera photographs a crack located at a distance from the operator by the camera,
A handle positioned at the other end of the extension rod and held by the operator,
A crack display member installed on the other surface of the rotating head to display on the crack surface where cracks have occurred,
A terminal cradle mounted on a portion of the extension rod in which the handle is positioned to mount a portable terminal displaying an image photographed by the camera;
A signal cable having a connection terminal connected to the mobile terminal and connected to the camera to transmit the image signal captured by the camera to the mobile terminal to display the image captured by the camera by the mobile terminal;
A crack measuring member formed of a transparent body with a scale marked on the rotating head and disposed in front of the camera to be photographed with the crack by the camera to provide a scale for measuring the size of the crack,
A spacing guide bar that slidably couples the crack measuring member from the rotating head to the front and rear to be photographed by the camera so as to enlarge or reduce the crack photographed by the camera by adjusting the distance between the camera and the crack measuring member , And
When the pressing force is released while the gap between the camera and the crack measuring member is narrowed, the crack measuring member is applied to the elastic force in the rotating head while being inserted into the gap guide bar so that the crack measuring member is supported by the elastic force to the initial position. A crack measurement device for safety diagnosis of a facility for easy measurement of crack information, characterized in that it comprises a gap return spring supported by the gap return spring. The method of claim 1,
An actuating lever installed at a portion where the handle is located, and
And a rotary operation wire connecting the operation lever and the rotary head to pull and rotate the rotary head according to the operation of the operation lever. The method of claim 2,
Crack information, characterized in that it comprises a head return spring installed between the rotation head and the head fixing member to return the rotation head to the initial position rotated by the head fixing member when the pulling of the rotating wire is released. A crack measurement device for safety diagnosis of facilities that are easy to measure. The method of claim 1,
The spacing guide bar has a thread formed on the outer surface,
A focus limiting member for limiting the moving distance of the crack measuring member in the rotating head by moving along the spacing guide bar as it is screwed into the thread of the spacing guide bar to prevent the crack from being measured outside the focal length of the camera. A crack measurement device for safety diagnosis of a facility that is easy to measure crack information, comprising: a.

Images