KR102267372B1 - Crack marking device for safety diagnosis - Google Patents

Abstract

The present invention relates to a crack marking device for safety diagnosis to mark a portion in which a crack is created in safety diagnosis. According to an embodiment of the present invention, the crack marking device for safety diagnosis comprises: a chalk holder holding chalk; an extension rod allowing the chalk holder to be installed on one end thereof; a handle unit installed on the other end of the extension rod; a sliding rod allowing the extension rod to be inserted thereinto, and installed to be slid and moved in the longitudinal direction of the extension rod; a holder insertion unit installed on an end of the sliding rod on which the chalk holder is positioned to insert the chalk holder to be inserted thereinto when sliding and moving the sliding rod in a direction in which the chalk holder is positioned; a gap measurement disk made of a transparent matter to be installed on the holder insertion unit to align and view a crack, having a plurality of gap measurement gradations with different thicknesses, and installed to be rotated around the extension rod with the sliding rod to align the gap measurement gradations corresponding to the gap of the crack with the crack; a camera photographing the gap measurement gradations while the gap measurement gradations are aligned with the crack; a support frame allowing the camera to be installed thereon to separate the camera from a wall on which the crack is created to fix the camera, and allowing the sliding rod to be rotatably coupled thereto to select the gap measurement gradations matching the gap of the crack by rotating the gap measurement disk with the sliding rod by rotating the sliding rod; and a terminal holder installed on a portion of the extension rod on which the handle unit is positioned to hold a portable terminal displaying an image photographed by the camera. Therefore, a crack can be easily marked and measured.

Description

Crack marking device for safety diagnosis

The present invention relates to a crack display device for safety diagnosis for displaying a part where a crack has occurred during safety diagnosis.

In general, when a structure collapses, life and property damage occur greatly, so safety diagnosis is performed regularly.

When performing safety diagnosis, cracks are identified in the structure. If cracks occur in the structure, the cracks are marked to observe the growth of cracks or repair the cracks.

However, in order to mark cracks located at a distance from the worker such as the ceiling, climb up a ladder to display it. However, when using a ladder, fall accidents occur frequently, so in the prior art, Korean Patent Publication No. 10-17922637 (2017.11.01. Announcement) ) of "the indicator bar for checking the chalk-loaded structure" has been disclosed.

The above-described conventional chalk-loaded structure inspection bar is configured so that a plurality of pipes can be inserted and connected in the axial direction so that the entire pipe body can be expanded and contracted, but the chalk is loaded inside the frontmost pipe body. It enables easy portability, protects chalk by combining an axially movable casing, and at the same time allows the exposure length of chalk to be freely adjusted. was able to perform

However, the conventional chalk-loaded structure inspection bar only displays the crack from a distance, and in order to understand the crack growth or the condition of the crack, the operator has no choice but to move directly to the cracked part and observe the crack.

The present invention has been devised to solve the above problems, and the problem to be solved by the present invention is that chalk is installed on the extension bar, so that cracks can be easily displayed even from a distance, and a gap measuring disc is installed on the sliding bar An object of the present invention is to provide a crack display device for safety diagnosis that can not only observe the growth of cracks by measuring the gap between cracks, but also easily identify cracks from a distance by photographing cracks with a camera.

A crack display device for safety diagnosis according to an embodiment of the present invention for achieving the above object includes a chalk holder into which chalk is inserted, an extension rod to which the chalk holder is installed at one end, and a handle part installed at the other end of the extension rod. , A sliding rod in which the extension rod is inserted and slidably installed in the longitudinal direction of the extension rod, is installed at the end of the sliding rod at which the chalk holder is located, and moves the sliding rod in the direction in which the chalk holder is located During sliding movement, the holder insert part into which the chalk holder is inserted, the holder insert part is installed in the holder insert part to form a transparent body so that cracks can be seen overlapping, and a plurality of interval measurement scales having different thicknesses are formed, and the gap between the cracks and A gap measuring disc rotatably installed around the extension bar together with the sliding bar to match the corresponding gap measuring scale to the crack, a camera for taking pictures with the gap measuring scale superimposed on the crack, the camera is installed The camera is fixed at a distance from the cracked wall, and as the sliding bar is rotated, the gap measuring disc rotates together so that the sliding bar is rotatable to select the gap measuring scale that matches the gap of the crack A support frame coupled thereto, and a terminal holder installed at a portion where the handle is positioned on the extension bar to mount a portable terminal displaying an image captured by the camera.

The support frame separates the distance measuring disk from the wall when the support frame is in close contact with the wall, and protrudes from the support frame to prevent the support frame from rotating together when the sliding bar rotates and is supported on the wall It may include a plurality of support pins.

The support frame may include a position adjusting member installed so as to adjust the position of the camera in the longitudinal direction of the support frame and movably installed along the longitudinal direction of the support frame.

It may include a position fixing member for fixing the slid position of the sliding rod in the extension rod.

According to the present invention, chalk is installed on the extension bar to easily mark cracks located at a distance from the operator, and a gap measuring disc is installed on the sliding bar to measure the spacing of cracks through the gap measuring disc, The growth of cracks can be easily identified, and the crack growth and cracks can be easily measured even from a distance by photographing the gap measuring scale engraved on the crack measuring disc and the gap measuring disc with a camera.

In addition, by changing the position of the camera by installing a camera on the positioning member slidably installed in the support frame, the crack condition is selectively photographed by overlapping the crack with the scale engraved on the interval measuring disc, or by photographing only the crack. There is an advantage of being able to understand

1 is a perspective view showing a crack display device for safety diagnosis according to an embodiment of the present invention.
2 is a side cross-sectional view showing a crack display device for safety diagnosis according to an embodiment of the present invention, and shows a state in which a crack is marked with chalk.
3 is a side cross-sectional view showing a crack display device for safety diagnosis according to an embodiment of the present invention, and shows a state in which a crack is measured by a camera by moving a sliding bar upward.
4 is a view schematically showing an image taken by a camera of a crack display device for safety diagnosis according to an embodiment of the present invention.

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

1 and 2, the crack display device 100 for safety diagnosis according to an embodiment of the present invention may include a chalk holder 111, an extension rod 110, and a handle part 115. can

The chalk holder 111 inserts the chalk 113 to fix the chalk 113 , and the chalk 113 may be coupled to be replaceable so that the chalk 113 can be replaced.

The extension bar 110 can be positioned by extending the chalk 113 from the handle part 115 so that it can be easily displayed when the distance measuring disc 130 is generated at a location far from the operator, for example, at a location such as the ceiling. have.

A chalk holder 111 is coupled to one end of the extension rod 110 , and a handle 115 held by a worker may be formed at the other end of the extension rod 110 .

The extension rod 110 may be formed in the form of a pipe having an empty interior or a rod having an interior filled therein.

1 to 3 , the crack display device 100 for safety diagnosis according to an embodiment of the present invention includes a sliding bar 120 , a holder insertion part 121 and a gap measuring disc 130 . can do.

The sliding rod 120 may be installed to be slidably movable on the extension rod 110 , and the sliding rod 120 has an extension rod 110 inserted therein in the form of a pipe through which the interior is penetrated, so that the extension rod 110 is inserted. ) along the longitudinal direction of the sliding rod 120 can be moved sliding,

The sliding bar 120 may be formed to have a shorter length than the length of the extension bar 110 .

In the sliding rod 120, the grip portion 125 that the operator grips so that the handle portion 115 of the extension rod 110 is formed so that the sliding rod 120 can be slidably moved from the extension rod 110. can be formed.

The holder inserting part 121 may be installed at the end at which the chalk holder 111 is positioned in the sliding rod 120 , and the holder inserting part 121 may have the sliding rod 120 installed in the direction in which the chalk holder 111 is positioned. An insertion space 123 into which the chalk holder 111 and the chalk 113 are inserted may be formed during sliding movement.

Here, the holder inserting unit 121 slides the sliding rod 120 in the direction in which the chalk holder 111 is positioned, and the chalk holder 111 and the chalk 113 are inserted, so that at the end of the extension rod 110 . It is possible to prevent the chalk 113 from being exposed to the outside to be displayed by the chalk 113 .

At this time, in a state in which the sliding rod 120 is slidably moved in the direction in which the handle part 115 is located, the chalk holder 111 and the chalk 113 are exposed to the outside in the holder insertion part 121 to the chalk 113. Of course, it is possible to mark the portion where the distance measuring disk 130 is generated by the.

The gap measuring disc 130 is installed in the form of a disc and may be installed at the end of the holder inserting part 121, and a plate hole through which the holder inserting part 121 is inserted and fixed is formed in the center of the gap measuring disc 130. can be

The gap measuring disc 130 is fixed to the holder inserting part 121 and rotating the sliding bar 120 around the extension bar 110, the gap measuring disc 130 is also rotated together with the sliding bar 120. At the same time, it can slide along the sliding rod 120 on the extension rod 110 .

A plurality of interval measurement scales 131 having different thicknesses may be radially formed on the circumference of the upper or lower surface of the interval measurement disk 130, and the interval measurement disk 130 is formed of a transparent material so that the inside thereof is transmitted through. can be

The gap measuring scales 131 of different thicknesses formed on the gap measuring disc 130 are aligned with the gap of the gap measuring disc 130 and the spacing of the gap measuring disc 130 through the gap measuring scale 131 of the corresponding thickness. can be measured.

At this time, the thickness of each interval measuring scale 131 may be displayed together with a number so that the interval of the interval measuring disk 130 can be easily grasped.

1 to 3 , the crack display device 100 for safety diagnosis according to an embodiment of the present invention may include a camera 150 , a support frame 140 , and a terminal holder 160 . .

The camera 150 may photograph the distance measuring disc 130, and the camera 150 is a crack (CR) from the outside of the distance measuring disc 130 in a state where the distance measuring disc 130 is superimposed on the distance measuring disc 130. ) can be photographed together with the interval measurement scale 131 superimposed on it (see FIG. 4 ).

The camera 150 may transmit a photographed image signal to the portable terminal 200 , and the camera 150 may transmit a photographed image wirelessly or wiredly to the portable terminal 200 .

Here, the camera 150 may further include a wireless communication module when the mobile terminal 200 performs wireless communication, and may further include a connection cable 151 for wired communication.

Although the wireless communication module is convenient for wireless communication, the manufacturing cost is high, whereas in the case of wired communication using the connection cable 151, the manufacturing cost can be greatly reduced.

The connecting cable 151 may extend from the camera 150 to the portion where the handle 115 of the extension rod 110 is located, and the end of the connecting cable 151 is connected to the portable terminal 200 and photographed. A connector for transmitting an image signal to the portable terminal 200 may be formed.

The support frame 140 can support the camera 150 on the sliding rod 120 , and the support frame 140 is installed on the sliding rod 120 so as to have a length greater than the diameter of the interval measuring disk 130 . can be

The support frame 140 may be installed on the sliding rod 120 in the opposite direction to the direction in which the chalk holder 111 is positioned around the interval measuring disk 130 , and the support frame 140 is the sliding rod 120 . It may be installed on the sliding bar 120 so as to be perpendicular to the.

The support frame 140 can slide on the extension rod 110 together with the sliding rod 120 and the distance measuring disk 130 , and the support frame 140 is a holder insert 121 coupled to the sliding rod 120 . ), the sliding rod 120 may be rotatably installed in a state in which the support frame 140 is supported on the wall where the crack CR has occurred.

In the center of the support frame 140, a shaft hole into which the holder inserting part 121 is inserted may be formed through, and the support frame 140 is draped over the holder inserting part 121 and the support frame ( 140) may be formed to protrude the separation prevention flange portion 127 for preventing the separation.

A guide groove 141 may be formed along the longitudinal direction of the support frame 140 on one side of the support frame 140 on which the camera 150 is installed around the shaft hole, and the position adjusting member ( 143 may be installed to be slidably movable along the guide groove 141 .

A camera 150 is installed in the position adjusting member 143 to adjust the position at which the camera 150 shoots in the longitudinal direction of the support frame 140 .

For example, when the position of the camera 150 in the support frame 140 is positioned at the portion where the interval measurement scale 131 is formed, the camera 150 cracks in a state where the interval measurement scale 131 and the crack CR are overlapped. By photographing (CR), the gap between the cracks (CR) can be easily grasped, and when the camera 150 is moved toward the center of the gap measuring disk 130, the gap measuring scale 131 is not photographed together. Since it is possible to photograph only the cracks CR that are visible through the gap measuring disk 130 without the gap measurement disc 130, the cracks CR can be clearly observed.

The position adjusting member 143 may be installed so that the height of the camera 150 can be adjusted in order to clearly photograph the crack CR by the camera 150 , and the camera 150 is screwed to the position adjusting member 143 . It is possible to adjust the focus of the camera 150 in the form of adjusting the height by screwing through the fastening member.

The screw fastening member is formed in a cylindrical shape into which the camera 150 is inserted and installed, a screw thread is formed on the outer surface, and a through hole through which the screw thread of the screw fastening member is screwed is formed in the positioning member 143 to adjust the position in the through hole. As the member 143 is screwed, the height of the camera 150 may be adjusted in the position adjusting member 143 in such a way that the height is adjusted.

The support frame 140 may include a plurality of support pins 145 .

The support pin 145 is installed to protrude at every corner of the support frame 140 in the direction in which the chalk holder 111 is located in the support frame 140, so that when the support frame 140 is in close contact with the crack CR, the support pin ( As the 145 is supported on the wall where the crack CR has occurred, the position of the camera 150 may be firmly fixed.

For example, when the sliding rod 120 is rotated to rotate the gap measuring disc 130, if the support frame 140 is not fixed in close contact with the wall surface, the support frame 140 rotates together and the camera 150 is When the sliding rod 120 is rotated to measure the gap between the cracks CR by the gap measuring disk 130 because it can deviate from the position of the crack CR to be photographed, the support pin 145 The support frame 140 is firmly fixed to the wall to prevent the camera 150 from rotating together with the sliding rod 120 .

Of course, the support pin 145 rotates the sliding bar 120 while the support frame 140 is in close contact with the wall surface where the crack CR occurs, and the gap measuring disk 130 is also spaced apart from the wall surface by the support pin 145 . When it is done, the distance measuring disc 130 can also be easily rotated, and it is possible to prevent damage such as the occurrence of scratches on the distance measuring disc 130 while the distance measuring disc 130 is in contact with the wall surface. .

The terminal holder may be installed on a portion of the extension rod 110 where the handle portion 115 is located, and the mobile terminal 200 carried by the operator may be mounted on the terminal holder.

In this case, the portable terminal 200 may be a smartphone having a display capable of receiving and displaying an image signal photographed by the camera 150 .

1 to 3 , the crack display device 100 for safety diagnosis according to an embodiment of the present invention may include a position fixing member 170 .

The position fixing member 170 may fix a position where the sliding rod 120 slides from the extension rod 110 . Position fixing member 170 is the extension rod 110 in the longitudinal direction, the fixing hole is formed, the position fixing member 170 is fitted in the fixed hole to fix the position of the sliding rod 120, or sliding A fastener is installed at the end of the rod 120 and may be configured to fix the position according to the tightening of the fastener.

The position fixing member 170 may be implemented with various types of known fixing members capable of fixing only the slidingly moved position of the sliding rod 120 from the extension rod 110 .

The operation and effect between each configuration described above will be described.

In the crack display device 100 for safety diagnosis according to an embodiment of the present invention, a chalk holder 111 into which the chalk 113 is inserted is installed at one end of the extension rod 110 , and the other end of the extension rod 110 has A handle portion 115 is formed.

In the extension rod 110, the sliding rod 120 is rotatably installed with sliding movement along the longitudinal direction of the extension rod 110, and the chalk holder 111 of the extension rod 110 in the sliding rod 120 is A holder inserting part 121 having an insertion space 123 into which the chalk holder 111 can be inserted is installed at the end where it is positioned, and the interval measuring disc 130 is inserted and fixed in the holder inserting part 121. .

And, the support frame 140 is installed on the part of the holder insertion part 121 positioned in the opposite direction to the direction in which the chalk holder 111 is positioned around the gap measuring disk 130, and the support frame 140 is It is slidably installed in the holder insertion part 121 in a direction perpendicular to the sliding rod 120 .

A guide groove 141 is formed in the support frame 140 in the longitudinal direction of the support frame 140 , and a camera 150 is installed in the guide groove 141 to position the camera 150 in the support frame 140 . A position adjusting member 143 for adjusting the slidable movement is installed.

In addition, the support frame 140 may be formed by protruding a plurality of support pins 145 for supporting the gap measuring disk 130 from the wall where the cracks CR are generated by separating them from the wall where the cracks CR occur. .

At the end at which the handle part 115 is located in the extension bar 110, a terminal holder 160 capable of holding the portable terminal 200 for displaying the image signal photographed by the camera 150 as an image may be installed. In addition, the connecting cable 151 is connected from the camera 150 to the part where the terminal holder 160 is located, so that the image signal photographed by the camera 150 is transmitted to the mobile terminal 200 seated in the terminal holder 160 . do.

As shown in FIG. 2 , the crack display device 100 for safety diagnosis according to the embodiment of the present invention configured in this way is the chalk 113 and the chalk holder 111 in the holder insertion part 121 of the sliding bar 120 . ) in a state where the sliding rod 120 is exposed, the operator holds the handle 115 of the extension rod 110 and uses the exposed chalk 113 to mark the crack (CR) to be displayed during safety diagnosis. indicate

On the other hand, as shown in FIG. 3 , in order to measure the gap between the cracks CR, the connection cable 151 connected to the camera 150 is connected to the mobile terminal while the mobile terminal 200 is mounted on the terminal holder 160 . Connected to 200, the support pin 145 of the support frame 140 in which the camera 150 is installed in a state where the camera 150 is positioned at the part corresponding to the part where the crack (CR) occurs is cracked (CR) The gripping part 125 is gripped so as to be in close contact with the generated wall, and the sliding rod 120 is slidably moved from the extension rod 110 .

When the sliding rod 120 is pushed up to the upper part of the extension rod 110, the chalk holder 111 and the chalk 113 are accommodated in the holder insertion part 121, and the support pin 145 is cracked (CR). Since it is in close contact with the generated wall surface, the camera 150 is stably supported on the wall surface.

On the other hand, when the support frame 140 is supported on the wall where the crack CR has occurred, the camera 150 captures the gap measurement scale 131 superimposed on the crack CR together with the crack CR, and the mobile terminal 200 ) to transmit the image signal, and the operator measures the gap of the crack (CR) through the image taken by the mobile terminal (200).

At this time, as shown in FIG. 4 , when the sliding rod 120 is rotated in a state in which the gripping part 125 of the sliding rod 120 is gripped, the gap between the cracks CR is separated with the sliding rod 120 . The measuring disk 130 rotates, and while relatively comparing the thickness of the gap measuring scale 131 engraved on the gap measuring disc 130, the gap between the cracks (CR) and the matching gap among the plurality of gap measuring scales 131 are measured. The gap between the cracks CR can be measured through the number displayed on the scale 131 .

And, when the camera 150 does not want the interval measuring scale 131 to be photographed by overlapping it, the position adjusting member 143 in the support frame 140 is moved toward the center of the interval measuring disc 130 and cracks again. It can also be photographed in the form of close contact with the wall where (CR) has occurred.

If it takes a long time to measure the crack (CR) by photographing the crack (CR) by the camera (150), the position of the sliding bar (120) is fixed at the extension bar (110) through the position fixing member (170). It is possible to prevent the accumulation of fatigue in the musculoskeletal system of the operator by working in the state.

On the other hand, when the crack (CR) measurement operation is completed, the operator moves the sliding rod 120 through the grip part 125 in the direction in which the handle part 115 is located, and the chalk inserted into the holder insert part 121 As the 113 and the chalk holder 111 are exposed to the outside, a display operation by the chalk 113 may be performed on the portion where the crack CR has occurred again.

Therefore, in the crack display device 100 for safety diagnosis according to an embodiment of the present invention, the chalk 113 can be located at a position extended by the extension rod 110, so that the crack CR located at a distance from the operator can be detected. Marking can be performed easily.

In addition, selectively sliding the sliding bar 120 from the extension bar 110 to position the gap measuring disc 130 close to the crack CR, and the crack CR and the gap measuring disc by the camera 150 ( The interval of the crack CR can be easily measured by photographing the interval measuring scale 131 formed in 130 ) in an overlapping state.

In addition, by adjusting the position of the camera 150 by the position adjusting member 143 in the support frame 140, the interval measurement scale 131 is photographed in a state superimposed on the crack CR, or the interval measurement scale 131 is It can be measured by photographing cracks (CR) in a non-overlapping state.

In addition, by measuring the crack CR by the camera 150, it is possible to easily measure the crack CR located at a long distance.

Although the embodiment of the present invention has been described above, the scope of the present invention is not limited thereto, and it is easily changed from the embodiment of the present invention by a person skilled in the art to which the present invention belongs and recognized as equivalent. including all changes and modifications to the scope of

100: crack display device for safety diagnosis 110: extension bar
111: chalk holder 113: chalk
115: handle 120: sliding bar
121: holder insertion portion 123: insertion space
125: grip portion 127: escape prevention flange portion
130: gap measuring disc 131: gap measuring scale
140: support frame 141: guide groove
143: positioning member 145: support pin
150: camera 151: connection cable
160: terminal holder 170: position fixing member
200: mobile terminal CR: crack

Claims (4)

A chalk holder in which chalk is inserted,
an extension bar to which the chalk holder is installed at one end;
A handle part installed at the other end of the extension bar,
A sliding rod inserted into the extension rod and installed to be slidably movable in the longitudinal direction of the extension rod;
A holder inserting part installed at an end of the sliding rod at which the chalk holder is located and into which the chalk holder is inserted when the sliding rod is slid in the direction in which the chalk holder is located;
It is installed in the holder insertion part and is formed as a transparent material so that cracks can be seen overlapping, and a plurality of interval measuring scales having different thicknesses are formed. Gap measuring disc rotatably installed around the extension bar,
A camera that shoots in a state where the interval measurement scale is superimposed on the crack,
The camera is installed and the camera is fixed by being spaced apart from the cracked wall, and as the sliding bar is rotated, the gap measuring disc rotates together to select the gap measuring scale that matches the gap of the crack. a support frame to which the rod is rotatably coupled, and
and a terminal holder installed at a portion where the handle is located on the extension bar to mount a portable terminal displaying an image captured by the camera,
The support frame separates the distance measuring disk from the wall when the support frame is in close contact with the wall, and protrudes from the support frame to prevent the support frame from rotating together when the sliding bar rotates and is supported on the wall Crack display device for safety diagnosis, characterized in that it comprises a plurality of support pins. delete According to claim 1,
The support frame is
The crack display device for safety diagnosis, characterized in that the camera is installed to adjust the position of the camera in the longitudinal direction of the support frame, and a position adjusting member movably installed along the longitudinal direction of the support frame. According to claim 1,
Crack display device for safety diagnosis, characterized in that it comprises a position fixing member for fixing the sliding position of the sliding rod in the extension rod.

Images