KR102574739B1 - Non-destructive strength measuring device Using Drone - Google Patents

Abstract

The present invention relates to a non-destructive strength measuring device using a drone, which can dramatically improve the inefficiency of requiring direct input of manpower for high-rise structures or dangerous structures by using drones, and can affect the proficiency of measuring personnel. It is a main component including a drone 100 and a strength measurement module 200 so that reliable non-destructive strength measurement data can be collected without being received.

Description

Non-destructive strength measuring device Using Drone}

The present invention relates to a non-destructive strength measuring device using a drone, and more specifically, by using a drone, the inefficiency of strength measurement, which requires direct input of manpower to high-rise buildings or dangerous structures, can be dramatically improved, and It relates to a non-destructive strength measurement device using a drone that can collect reliable non-destructive strength measurement data without being affected by skill level.

In general, safety issues for social infrastructure of civil engineering and building structures are directly linked to large-scale human accidents, so strength measurement and evaluation of various materials are conducted to induce safe design and construction of new structures and to understand the degree of deterioration of existing structures. and provides a basis for judgment to determine the timing, degree, and scope of reinforcement.

In addition, there are largely direct strength measurement methods and indirect strength measurement methods for strength measurement methods for various materials constituting structures and facilities. On the other hand, NDT (Non-Destructive Testing), an indirect strength measurement method, is an easy strength measurement procedure and can measure strength more times in a shorter time with little damage to the measured material, product, or target structure. It has several advantages, such as being measurable.

The non-destructive testing methods for strength measurement that are currently applied the most in practice are the surface impact method and the ultrasonic method, and products from Proceq of Switzerland and NDT James Instruments of the United States are almost exclusively used. The surface impact method is a rebound hardness method, also called the Schmidt hammer method, and is widely used as a method for estimating strength without causing almost no damage to a measurement object such as a structure.

Here, the principle of the rebound hardness method is based on the experimental experience that there is a specific correlation between the rebound hardness and the compressive strength of concrete when hitting the hardened concrete surface with a Schmidt hammer. As a measure of rebound hardness, in particular, the Schmidt Hammer method (SCHMIDT HAMMER) is a method that uses the fact that rebound hardness changes depending on the strength of concrete. Although it is a non-destructive testing method in use, the accuracy of strength estimation is reduced due to the use of only one impact repulsion force, and the relatively strong impact energy may cause total or partial damage depending on the target object.

Accordingly, in Patent Registration No. 10-1239003 disclosed in the prior art, a striking rod hitting a concrete surface, a first housing into which the striking rod is inserted and guiding linear motion of the striking rod, and a rear end of the striking rod to relieve the impact force A first spring, a second spring connected in series with the first spring and transmitting the repelling force of the striking rod to the rear, and an intermediate member provided between the first spring and the second spring to connect them; A bolt moving backward by the repulsive force transmitted from the second spring, and inserted into the rear of the bolt to continuously pass through the first spring, the intermediate member, and the second spring, and then inserted into the striking rod. A guide member, a third spring connected to the rear of the guide member to support the rearward movement of the guide member, a resistance sensor for measuring the distance moved backward from the initial position of the bolt, and the resistance sensor A technology including a digital converter that converts a measured value into a predetermined corresponding value and a display that outputs the value of the digital converter has been previously proposed.

In addition, in Patent Registration No. 10-1238388, which is another prior art, a hammer for striking an impact bar on a concrete surface and a repulsive force measuring unit for measuring a repelling force after the hammer strikes the impact bar on a concrete surface. A compressive strength measuring device comprising: a repulsive force-electric signal conversion unit that converts the repulsive force indicated by the repulsive force measuring unit into an electrical signal; A counter for detecting the magnitude of the electrical signal output from the repulsive force-electric signal conversion unit, and a variable for converting the value according to the magnitude of the electrical signal detected by the counter into the value of the compressive strength of the concrete surface Compressive strength including a storage unit for storing the calculated compressive strength value, a display unit for displaying the compressive strength value, and a microprocessor for controlling the counter, storage unit, and display unit and calculating the compressive strength value A technology including a calculation unit has been pre-registered.

However, the above conventional techniques are intended to reduce errors and measure strength stably, but when measuring the non-destructive strength of concrete, workers must move to the measurement location depending on manual work, so bridge lower parts, tunnels, dams, embankments, wind power generators, nuclear power structures It is impossible to measure the non-destructive strength of a location where it is difficult or dangerous to input manpower, including the back, and it is difficult to extract reliable data because the test results vary greatly depending on the skill level of the measuring manpower.

KR 10-1239003 B1 (2013.02.25.) KR 10-1238388 B1 (2013.02.22.)

Accordingly, the present invention has been conceived to solve the above problems, and the inefficiency that requires direct input of manpower can be drastically improved by using drones, and reliable non-destructive strength measurement without being affected by the proficiency of measuring personnel The purpose is to provide a non-destructive strength measuring device using a drone capable of collecting data.

In order to achieve this object, the features of the present invention include a drone 100 which is provided to fly by a wireless controller, move to a non-destructive inspection position, and photograph and transmit flight image information using a camera module; and a strength measurement module 200 mounted on the drone 100 and equipped with an impact sensor 201 so that the impact sensor 201 can measure the strength of the measurement surface while protruding and transported by spring elasticity to hit the measurement surface. to be

At this time, the drone 100 has a body 110 in which a wireless communication module for transmitting and receiving control signals is installed, and a folding part installed on both sides of the front and rear ends of the body 110 and folded and operated with a hinge as an axis ( 120), the main arm 130 having one end connected to the folding unit 120 and the motor 131 and the propeller 132 installed at the other end, and the main arm 130 corresponding to the motor 131. One end is connected, and the other end is connected to the end of the main arm 130 corresponding to the first multi-arm 140 extending to an extended distance relative to the rotation radius of the propeller 132 and the folding portion 120, The other end is supported by the second multi-arm 150 extending to an extended distance relative to the rotation radius of the propeller 132 and the first and second multi-arms 140 and 150 to protect the propeller 132 (160). ), and characterized in that it is provided to carry and store the main arm 130 in a folded state using the folding unit 120.

In addition, the strength measurement module 200 includes a measurement body 210 mounted on the drone 100, a pinion 220 installed on the measurement body 210 and rotated by a servo motor 221, A first rack 230 meshed with the pinion 220 and linearly transported, a first guide compartment 240 installed on the measuring body 210 and having first rod holes 241 formed at both ends, It is linearly transported through the first rod hole 241 of the first guide compartment 240, and is connected to the first rod rod 250 at the end of which the impact sensor 201 is installed and the first rod rod 250. It is characterized in that it includes a first fixing table 260 provided to be linearly transported within the first guide compartment 240.

In addition, a first compression spring 261 inserted into an area on one side of the first rod bar 250 with the first fixing table 260 as a boundary and compressed when the first rod bar 250 is moved backward, and The first buffer spring 262 inserted into the other side area of the first rod bar 250 with the fixing table 260 as a boundary, and absorbing part of the shock when the first rod bar 250 protrudes and transfers, and the first fixing table ( 260), and the other end is exposed to the outside through the first long empty rail 242 formed in the first guide compartment 240 and is provided to move linearly by the first leg 230. One end is connected to the pin 270 and the first fixing table 260, and the other end protrudes to the opposite side of the first locking pin 270 to form the second long empty rail 243 formed in the first guide compartment 240. The first fixing pin 280 exposed to the outside through the first fixing pin 280 and the first trigger 290 installed on the measurement body 210 and provided to bind/disengage the first fixing pin 280 by a pivoting operation by the drive unit. It is characterized by including.

In addition, the servomotor 221 compresses the first compression spring 261 while moving the first rod rod 250 and the first fixing table 260 backward in response to the predetermined number of blows, thereby forming the first fixing pin ( 280) is coupled to the first trigger 290, and the hit sensor 201 is automatically loaded so that it is ready for firing and strikes the measurement surface.

In addition, when the first leg 230 is linearly moved by the rotational motion of the pinion 220 and pressurizes and transfers the first locking pin 270, the first fixing table 260 together with the first rod bar 250 While moving backward, the first fixing pin 280 is bound to the first trigger 290 while the first compression spring 261 is compressed, and the drone 100 is moved to the non-destructive inspection position, and the first trigger ( 290) When the first fixing pin 280 is released by the operation, the first fixing table 260 and the first rod bar 250 are protruded and transported together by the elastic force of the first compression spring 261, and the impact sensor ( 201) is provided to measure the strength of the measuring surface by hitting the measuring surface.

In addition, the first fixing stand 260 is formed in a ring shape and is fixed in position by the adjusting bolt 260a in a state inserted into the first rod rod 250, and the first fixing stand 260 is placed on the first rod rod. (250) When adjusting the position in the protruding transport direction, the compression strength of the first compression spring 261 is set relatively weak, so that the impact strength of the concrete by the impact sensor 201 is adjusted relatively weakly, and the first fixing table 260 When adjusting the position of the first rod bar 250 in the backward transport direction, the compressive strength of the first compression spring 261 is set to be relatively strong, so that the concrete hitting strength by the impact sensor 201 is relatively strongly adjusted. to be characterized

In addition, a linear motor configured in place of the servo motor 221 and the pinion 220 is further included, and a gear is formed at one end of the linear motor to be meshed with the first leg 230, and the first leg ( 230) to press and transport the first locking pin 270 by linear motion, and while the first fixing table 260 is moved backward along with the first rod bar 260, the first compression spring 261 is compressed. It is characterized in that the hit sensor 201 is provided to be in a launch standby state with the first fixing pin 280 bound to the first trigger 290.

In addition, it is configured between the drone 100 and the strength measurement module 200, and further includes an angle control module 300 that vertically controls the angle of the strength measurement module 200 mounted on the drone 100, The angle control module 300 has a rotation unit 310 hinged to the end of the drone 100 and the strength measurement module 200, and the strength measurement module 200 centered on the rotation unit 310 according to the elongation length It is characterized in that it comprises a rotation control unit 320 for rotating.

According to the above configuration and operation, the present invention can dramatically improve the inefficiency of manpower requiring direct input to dangerous structures such as high-rise structures or nuclear power structures by using drones, and is not affected by the proficiency of measuring personnel. It has the effect of collecting reliable non-destructive strength measurement data without

In addition, strength can be measured not only for concrete, which is a general strength measurement target, but also for various materials such as wood, iron, and acrylic.

1 is a configuration diagram showing a non-destructive strength measuring device using a drone according to an embodiment of the present invention as a whole.
Figure 2 is a configuration diagram showing the detailed state of the drone of the non-destructive strength measuring device using a drone according to an embodiment of the present invention.
Figure 3 is a configuration diagram showing a strength measuring module of a non-destructive strength measuring device using a drone according to an embodiment of the present invention.
Figure 4 is a configuration diagram showing a strike posture maintenance module of a non-destructive strength measuring device using a drone according to an embodiment of the present invention.
Figure 5 is a configuration diagram showing a hovering state in a horizontal state of a non-destructive strength measuring device using a drone according to an embodiment of the present invention.
Figure 6 is a configuration diagram showing a strength control module of a non-destructive strength measuring device using a drone according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in the description of the present invention, if it is determined that the related known function may unnecessarily obscure the subject matter of the present invention as an obvious matter to those skilled in the art, the detailed description thereof will be omitted.

1 is a configuration diagram showing a non-destructive strength measuring device using a drone according to an embodiment of the present invention as a whole, and FIG. 2 is a configuration showing detailed states of a non-destructive strength measuring device using a drone according to an embodiment of the present invention. Figure 3 is a configuration diagram showing the strength measuring module of the non-destructive strength measuring device using a drone according to an embodiment of the present invention, Figure 4 is a non-destructive strength measuring device using a drone according to an embodiment of the present invention It is a configuration diagram showing the hitting posture maintenance module.

The present invention relates to a non-destructive strength measuring device using a drone, which can dramatically improve the inefficiency of requiring direct input of manpower for high-rise structures or dangerous structures by using drones, and can affect the proficiency of measuring personnel. It is a main component including a drone 100 and a strength measurement module 200 so that reliable non-destructive strength measurement data can be collected without being received.

The drone 100 according to the present invention is provided to fly by a wireless controller, move to a non-destructive inspection position, and photograph and transmit flight image information using a camera module.

The drone 100 is equipped with parts including a battery, a GPS module, a wireless communication module, and a main board. Non-destructive strength measurement is performed in a location where it is difficult to input manpower, including

At this time, the drone 100 has a body 110 in which a wireless communication module for transmitting and receiving control signals is installed, and a folding part installed on both sides of the front and rear ends of the body 110 and folded and operated with a hinge as an axis ( 120), the main arm 130 having one end connected to the folding unit 120 and the motor 131 and the propeller 132 installed at the other end, and the main arm 130 corresponding to the motor 131. One end is connected, and the other end is connected to the end of the main arm 130 corresponding to the first multi-arm 140 extending to an extended distance relative to the rotation radius of the propeller 132 and the folding portion 120, The other end is supported by the second multi-arm 150 extending to an extended distance relative to the rotation radius of the propeller 132 and the first and second multi-arms 140 and 150 to protect the propeller 132 (160). ).

In addition, the main arm 130 is compactly reduced in volume in a folded state using the folding unit 120 and is provided for carrying and storing.

At this time, the folding part 120 is installed on the body 110, is coupled with the fixing plate 121 in which the keyhole 121a is formed, and the fixing plate 121 and the hinge, concentric with the keyhole 121a A first rod hole 122a corresponding to is formed, and the rotation plate 122 to which the main arm 130 is connected to one end, and is installed inside the first rod hole 122a and is protruded and transported by the elastic body 123a. It includes a stop pin 123 provided with a handle 123b exposed to the outside of the rotation plate 122 at one end upon which force acts.

Looking at the operating state of the folding part 120, as shown in the enlarged view of FIG. When the main arm 130 protrudes and is coupled to the keyhole 121a, the main arm 130 is fixed in an unfolded state, and the rotation plate 122 rotates with the stop pin 123 separated from the keyhole 121a by pulling the handle 123b. When the main arm 130 is folded and operated.

As such, since the main arm 130 is simply folded and unfolded by the one-touch operation of pulling the handle 123b, anyone can easily unfold and use the drone 100 in a folded state without a separate tool.

In addition, the strength measurement module 200 according to the present invention is mounted on the drone 100, and is protruded and transported by the spring elastic force to collide with the measurement surface, and the impact sensor 201 is provided to measure the strength of the measurement surface.

At this time, the measuring surface, which is the subject of strength measurement, uses materials such as wood, iron, and acrylic as well as concrete, and materials not described above may also be used as the measuring surface.

The strength measurement module 200 is detachably installed on the drone 100 by a connection bracket.

In FIG. 3, the strength measurement module 200 includes a measurement body 210 mounted on the drone 100 and a pinion 220 installed on the measurement body 210 and rotated by a servo motor 221. And, a first rack 230 meshed with the pinion 220 and linearly transported, a first guide compartment 240 installed on the measuring body 210 and having first rod holes 241 formed at both ends, , It is linearly transported along the first rod hole 241 of the first guide compartment 240, and connected to the first rod rod 250 having the impact sensor 201 installed at the end and the first rod rod 250 and is inserted into the region on one side of the first rod rod 250 with the first rod rod 260 as a boundary, and the first rod rod 250) is inserted into the other area of the first rod rod 250 with the first compression spring 261 provided to be compressed during retreating movement and the first fixing base 260, so that the first rod rod 250 The first buffer spring 262, which partially absorbs impact during protruding transfer, and the first long empty rail 242, one end of which is connected to the first fixing table 260 and the other end formed in the first guide compartment 240, One end is connected to the first fixing pin 270 and the first fixing table 260, which is exposed to the outside and is provided to move linearly by the first leg 230, and the other end is opposite to the first fixing pin 270. The first fixing pin 280 exposed to the outside through the second empty rail 243 formed in the first guide compartment 240 protrudes into the first guide compartment 240 and is installed on the measuring body 210 and is operated by a driving unit. A first trigger 290 provided to engage/disengage the first fixing pin 280 is included.

In addition, when the first leg 230 is linearly moved by the rotational motion of the pinion 220 and pressurizes and transfers the first locking pin 270, the first fixing table 260 retreats together with the first rod bar 250. In the state in which the first compression spring 261 is compressed while being transported, the first fixing pin 280 is bound to the first trigger 290, and the impact sensor 201 is ready to fire.

Thereafter, when the drone 100 is moved to the non-destructive inspection position and the first fixing pin 280 is released by the operation of the first trigger 290, the first fixing table is opened by the elastic force of the first compression spring 261. 260 and the first rod rod 250 are protruding and transported together so that the strike sensor 201 collides with the measuring surface to measure the strength of the measuring surface.

Here, the method of calculating the strength of the measurement surface by the impact sensor 201 is calculated by comparing the strength of the measurement surface estimated from the coefficient of restitution using a Schmidt hammer, which is currently widely used, and the direct compressive strength.

In addition, the first fixing table 260 is formed in a ring shape and is fixed in position by an adjusting bolt 260a while being inserted into the first rod bar 250.

At this time, when the position of the first fixing table 260 is adjusted in the protruding and transporting direction of the first rod rod 250, the compression strength of the first compression spring 261 is set to be relatively weak, and the measurement surface by the impact sensor 201 is set. The hitting strength is controlled relatively weakly.

In addition, when the position of the first fixing table 260 is adjusted in the direction of moving the first rod bar 250 backward, the compressive strength of the first compression spring 261 is set to be relatively strong, and the measurement surface by the impact sensor 201 is set. It is provided so that the hitting strength can be adjusted relatively strongly.

Accordingly, there is an advantage in that the hitting strength of the measuring surface by the impact sensor 201 can be adjusted by adjusting the position of the first fixing table 260 in consideration of conditions including the strength of the measuring surface in the field.

On the other hand, the first rod bar 250 protruded by hitting the measurement surface is moved backward along with the first fixing table 260 by the servomotor 221 and compresses the first compression spring 261 to form a first fixing pin ( 280) is bound to the first trigger 290, the hit sensor 201 can be configured to be automatically loaded so that the hit is ready for firing.

At this time, the servomotor 221 has an advantage in that the hitting sensor 201 can be automatically loaded and rapidly measure the hitting strength in response to the preset number of hits.

On the other hand, in the present invention, although the pinion 220 formed in a circular shape so as to be rotated by the servo motor 221 is described, it may be configured with a structure capable of linear motion within the range that can achieve the same purpose and function. there is.

That is, instead of the servo motor 221 and the pinion 220, a linear motor forming a gear at one end to be engaged with the first leg 230 is configured to perform a typical motion of the first leg 230 The first holding pin 270 is pressed and transported, and the first fixing pin 280 presses the first compression spring 261 while the first fixing table 260 moves backward along with the first rod bar 250. The impact sensor 201 is provided to be in a firing standby state while being bound to the first trigger 290 .

Therefore, in the present invention, it is possible to be configured in various ways such as a piston device by a hydraulic device, a pneumatic device, etc. so that linear motion is possible instead of the linear motor.

In FIG. 4 , a striking posture maintenance module 400 is provided at an end of the measuring body 210 corresponding to the projecting direction of the hitting sensor 201 .

The hitting posture maintenance module 400 is installed at the end of the measuring body 210, and the x and y axis reference planes 411 and 412 orthogonal to the first rod rod 250 are arranged in a '+' shape The plate 410 and the upper, lower, left, and right distance sensors 420 disposed at four ends of the x and y-axis reference surfaces 411 and 412 of the reference plate 410, and the upper, lower, left, It includes a posture correction module 430 that calculates values detected by the right distance sensor 420 and corrects the position of the drone 100 so that each detected value satisfies a set error range.

In addition, after the drone 100 moves to the non-destructive inspection position, the position of the drone 100 is corrected by the upper, lower, left, and right distance sensors 420 of the striking posture maintenance module 400, and the measurement surface and the first The impact sensor 201 is provided to measure the strength by colliding with the measurement surface while the impact posture is maintained so that the rod rod 250 is orthogonal.

As an example, FIG. 4 (b) is a configuration diagram showing the striking posture maintenance module 400 on a plane, and when the distance detection values measured by the left and right distance sensors 420 are different from each other, the drone is positioned so as to turn in the horizontal direction. 4 (c) is a configuration diagram showing the striking posture maintenance module 400 from the side, and is positioned so that the drone turns in the longitudinal direction when the distance detection values measured by the upper and lower distance sensors 420 are different from each other. The state of correction is shown.

As such, since the impact sensor 201 collides in a direction orthogonal to the measurement surface while the first rod bar 250 is positioned orthogonally to the measurement surface, the accuracy of measuring the impact strength of the measurement surface is highly improved.

In FIG. 5, the drone 100 is provided so that the strike sensor 201 is hit on the measuring surface in a stopped state at a position where the hit sensor 201 is spaced apart from the measuring surface by a predetermined distance by hovering, so that the hit sensor 201 is hit on the measuring surface. The measurement accuracy is improved by resisting the rebound load caused by the blow transfer of (201).

In FIG. 6, a separate angle adjustment module 300 is additionally provided between the drone 100 and the strength measurement module 200 instead of the angle adjustment bracket 202.

The angle adjustment module 300 rotates the rotation unit 310 hinged between the drone 100 and the strength measurement module 200, and the rotation unit 310 as the center according to the elongation length Rotates the strength measurement module 200 A rotation control unit 320 is configured.

Here, the intensity measurement module 200 is angle-adjusted perpendicularly to the drone 100 by the rotation control unit 320, and the measurement surface, such as the bottom or top of a structure such as a bridge, is targeted for measurement that is difficult for people to access. It is possible to easily approach and hit the surface.

In the present invention, although the rotation control unit 320 is described as being provided in a hydraulic cylinder method, it is provided in various ways such as a linear motor or gear method according to the purpose of use and environment.

As described above, the most preferred embodiment of the present invention has been described in the detailed description of the present invention, but various modifications may be made within a range that does not depart from the technical scope of the present invention. Therefore, the scope of protection of the present invention should not be limited to the above embodiments, but the scope of protection should be recognized from the techniques of the claims to be described later and from these techniques to equivalent technical means.

100: drone 200: strength measurement module
300: Angle control module 400: Strike posture maintenance module

Claims (9)

A drone 100 provided to fly by a wireless controller, move to a non-destructive inspection position, and photograph and transmit flight image information using a camera module; and
A strength measurement module 200 mounted on the drone 100 and equipped with a strike sensor 201 to measure the strength of the measurement surface while protruding and transported by spring elasticity to hit the measurement surface; including,
The intensity measurement module 200,
A measurement body 210 mounted on the drone 100;
A pinion 220 installed on the measuring body 210 and rotated by a servo motor 221;
A first leg 230 meshed with the pinion 220 and linearly transported;
A first guide compartment 240 installed on the measuring body 210 and having first rod holes 241 formed at both ends;
A first rod rod 250 that is linearly transported through the first rod hole 241 of the first guide compartment 240 and has a strike sensor 201 installed at an end thereof;
It includes a first fixing table 260 connected to the first rod rod 250 and provided to be linearly transported in the first guide compartment 240,
A first compression spring 261 inserted into an area at one side of the first rod bar 250 with the first fixing table 260 as a boundary and compressed when the first rod bar 250 is moved back and forth;
A first buffer spring 262 that is inserted into the other side area of the first rod bar 250 with the first fixing table 260 as a boundary and partially absorbs an impact when the first rod bar 250 protrudes and transfers;
One end is connected to the first fixing stand 260, and the other end is exposed to the outside through the first long empty rail 242 formed in the first guide compartment 240, and is provided to move linearly by the first leg 230. A first holding pin 270 to be,
One end is connected to the first fixture 260, and the other end protrudes to the opposite side of the first locking pin 270 and is exposed to the outside through the second long empty rail 243 formed in the first guide compartment 240. 1 fixing pin 280,
A non-destructive strength measuring device using a drone, characterized in that it includes a first trigger 290 installed on the measuring body 210 and provided to engage / release the first fixing pin 280 by a pivoting operation by the drive unit.
According to claim 1,
The drone 100,
A body 110 in which a wireless communication module for transmitting and receiving control signals is installed;
A folding unit 120 installed on both sides of the front and rear ends of the body 110 and operated by folding with a hinge as an axis;
A main arm 130 having one end connected to the folding unit 120 and having a motor 131 and a propeller 132 installed at the other end;
A first multi-arm 140 having one end connected to the main arm 130 corresponding to the motor 131 and the other end extending to an extended distance relative to the rotation radius of the propeller 132;
A second multi-arm 150 having one end connected to the end of the main arm 130 corresponding to the folding unit 120 and the other end extending to an extended distance relative to the rotation radius of the propeller 132;
It includes a cover 160 supported by the first and second multi-arms 140 and 150 to protect the propeller 132,
Non-destructive strength measuring device using a drone, characterized in that provided to carry and store the main arm 130 in a folded state using the folding unit 120.
According to claim 1,
The servomotor 221 compresses the first compression spring 261 while moving the first rod bar 250 and the first fixing table 260 together in response to the predetermined number of hits, thereby forming the first fixing pin 280. A non-destructive strength measuring device using a drone, characterized in that the strike sensor 201 is automatically loaded so that it is in a launch standby state while being bound to the first trigger 290 and is provided to hit the measurement surface.
According to claim 1,
When the first leg 230 is linearly moved by the rotational motion of the pinion 220 and pressurizes and transfers the first locking pin 270, the first fixing table 260 moves backward along with the first rod bar 250. While the first compression spring 261 is compressed, the first fixing pin 280 is bound to the first trigger 290,
When the drone 100 is moved to the non-destructive inspection position and the first fixing pin 280 is released by the operation of the first trigger 290, the first fixing table 260 is caused by the elastic force of the first compression spring 261. ) And the first rod rod 250 is protruding and transported together, and the impact sensor 201 strikes the measuring surface to measure the strength of the measuring surface.
According to claim 3,
The first fixing stand 260 is formed in a ring shape and is fixed in position by an adjusting bolt 260a while being inserted into the first rod rod 250, and the first fixing stand 260 is attached to the first rod rod 250. ) When adjusting the position in the protruding transport direction, the compression strength of the first compression spring 261 is set relatively weak, so that the impact strength of the measuring surface by the impact sensor 201 is adjusted relatively weakly, and the first fixing table 260 When the position of the first rod bar 250 is adjusted in the backward transport direction, the compression strength of the first compression spring 261 is set to be relatively strong, so that the impact strength of the measurement surface by the impact sensor 201 is relatively strongly adjusted. Non-destructive strength measuring device using drones.
According to claim 1,
Further comprising a linear motor configured in place of the servo motor 221 and the pinion 220,
The linear motor
A gear is formed at one end and meshed with the first leg 230, and the first leg 230 is linearly moved to press and feed the first locking pin 270, and the first fixing table 260 is the first rod rod. 260, the first compression spring 261 is compressed, and the first fixing pin 280 is bound to the first trigger 290 while being transported backward along with the 260 so that the strike sensor 201 is ready for firing. Non-destructive strength measuring device using a drone, characterized in that provided.
According to claim 1,
It is configured between the drone 100 and the strength measurement module 200, and further includes an angle control module 300 that vertically controls the angle of the strength measurement module 200 mounted on the drone 100,
The angle control module 300 is
A rotating part 310 hinged to the ends of the drone 100 and the strength measurement module 200,
Non-destructive strength measuring device using a drone, characterized in that it comprises a rotation control unit 320 for rotating the strength measurement module 200 around the rotation unit 310 according to the elongation length. delete delete

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