KR101022210B1 - Surface inspection apparatus for concrete lining of tunnel - Google Patents

Surface inspection apparatus for concrete lining of tunnel Download PDF

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Publication number
KR101022210B1
KR101022210B1 KR1020100090912A KR20100090912A KR101022210B1 KR 101022210 B1 KR101022210 B1 KR 101022210B1 KR 1020100090912 A KR1020100090912 A KR 1020100090912A KR 20100090912 A KR20100090912 A KR 20100090912A KR 101022210 B1 KR101022210 B1 KR 101022210B1
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KR
South Korea
Prior art keywords
unit
concrete lining
tunnel concrete
inspection apparatus
surface inspection
Prior art date
Application number
KR1020100090912A
Other languages
Korean (ko)
Inventor
우상균
조준형
Original Assignee
한국전력공사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국전력공사 filed Critical 한국전력공사
Priority to KR1020100090912A priority Critical patent/KR101022210B1/en
Application granted granted Critical
Publication of KR101022210B1 publication Critical patent/KR101022210B1/en
Priority to PCT/KR2011/003252 priority patent/WO2012036365A2/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor

Abstract

PURPOSE: A surface inspection apparatus for concrete lining of a tunnel is provided to facilitate installation and removal, since a user easily moves the position of the surface inspection apparatus. CONSTITUTION: A surface inspection apparatus for concrete lining of a tunnel comprises a frame part(110), a handle part(120), a vertical regulator(140), a horizontal regulator(150), a rotary driving unit(160), a scanner(170), and a display unit. The frame part forms the outer shape and has a transfer unit(130) comprised of a front wheel and a rear wheel. A plummet is placed in the frame part. The handle part is projected from one side of the frame part. The vertical regulator is projected from the upper center of the frame part. One end of the horizontal regulator is coupled with the upper end of the vertical regulator to be rotatable. The rotary driving unit provides power to the vertical regulator for the rotation or stop of the horizontal regulator. The scanner is fixed and combined with the other end of the horizontal regulator. The display unit is electrically connected to the scanner.

Description

Surface inspection apparatus for concrete lining of tunnel

The present invention relates to a tunnel concrete lining surface inspection apparatus and a method thereof, and more specifically, to inspect the surface of tunnel concrete lining to precisely inspect the degradation such as surface cracks, leaks, and white conditions that may occur in the tunnel concrete lining. Relates to a device.

Due to the recent increase in electric power demand, pumping power plants are being constructed to supply electricity more economically and efficiently in times of high electric power demand.

The above-mentioned pumped-up power plant is a hydroelectric power generation method. The reservoir is formed below the power plant, and the pump is operated by the surplus power of the late night or the feng shui season to pump the reservoir below to the reservoir above, It refers to a place that produces electricity by using the falling kinetic energy of water falling to the place.

In general, pumping power plants should be constructed with a water tunnel to allow water to flow underground. However, the above-mentioned tunnel concrete lining has a decrease in load capacity and durability due to deterioration such as cracking, water leakage and peeling due to long-term use, so it is necessary to check safety and periodically evaluate the health for maintenance and reinforcement.

In other words, due to the aging of the tunnel, various deterioration of the tunnel concrete lining occurs, such as a large accident due to the collapse of the tunnel structure, there is a problem, so in order to prevent these problems in advance to the surface of the tunnel concrete lining A variety of devices and methods have been developed to allow for testing.

For example, conventionally, as a method of detecting cracks in a tunnel concrete lining surface, cracks are extracted for each subdivision by dividing an inner wall by processing image data obtained by a camera by attaching a sensor and a camera to the entire inner surface. • Quantification processing was performed, and output display was performed for each subdivision. In addition, the deterioration information of the detected inner surface is required for all of a plurality of consecutive subdivisions so that such deterioration information is displayed as its distribution chart.

However, this method is used only in a few areas, and the sensor and camera are continuously attached to the entire surface of the tunnel concrete lining, which requires a lot of installation time and removal time, resulting in enormous losses in construction.

That is, the sensor and the camera must be installed or removed on the entire surface of the tunnel concrete lining, which requires a lot of work time, a long inspection time, and a labor and material cost increase due to the inspection. .

Therefore, the applicant of the present invention has come up with a tunnel concrete lining surface inspection apparatus that can solve the problems described above.

Embodiments of the present invention to facilitate the installation and dismantling of the inspection device for checking the surface cracks, leaks and white condition of the tunnel concrete lining surface, to reduce the labor and reduce the work time according to the inspection To provide a tunnel concrete lining surface inspection apparatus.

In addition, it is to provide a tunnel concrete lining surface inspection apparatus that can reduce the labor and material costs due to the inspection and at the same time can perform a more precise measurement.

According to an aspect of the invention, the frame portion having an outer portion and the transfer portion consisting of the front wheel and the rear wheel is formed, and formed to protrude on one side of the frame portion, the handle portion is coupled to the front wheel and one end of the transfer portion; And a vertical adjustment part formed to protrude in the upper center of the frame part so that it can be expanded and contracted in the vertical direction, and a horizontal end of which one end is rotatably coupled to the upper end of the vertical adjustment part and can be selectively expanded and contracted. Control unit, the rotary drive unit for providing power to rotate or stop the horizontal control unit with respect to the vertical control unit, and fixed to the other end of the horizontal control unit by scanning the laser beam to the concrete lining surface to be examined A scanner for acquiring deterioration information data of the tunnel concrete lining surface, and the scanner Is electrically connected to the tunnel lining concrete surface inspection apparatus including a display unit configured to determine at the same time receives and stores the information data obtained by the scanner, it is provided.

In addition, a center of gravity is disposed in the frame portion in which the rear wheel of the transfer unit is located.

In addition, the rear wheel of the transfer unit is characterized in that a shock absorber is installed to mitigate the impact transmitted from the ground.

In addition, the front wheel of the handle portion and the transfer unit is characterized in that it is rotatably coupled by a universal joint.

In addition, the vertical adjustment portion is fixed to one end is installed on the upper portion of the frame portion, the other end is formed with a perforation, the first stage boom having a hollow inside, the second stage boom slidably coupled through the perforation of the first stage boom and It is located inside the first stage boom, one end is fixed to the upper portion of the frame portion, and the other end includes a hydraulic cylinder is fixed to the inside of the second stage boom.

In addition, one end of the horizontal control unit is rotatably coupled to the vertical adjustment unit and the other end is formed with a perforation, the first stage boom having a hollow therein, the second stage is slidably coupled through the perforations of the first stage boom A boom is located inside the first boom, and one end is fixed to the first boom and the other end includes a hydraulic cylinder is fixed to the inside of the second boom.

In addition, the rotation driving unit is installed on one side of the vertical control unit to which the horizontal control unit is coupled, the case having an accommodation space therein, and is located inside the case, the horizontal control unit to be rotated relative to the vertical control unit A drive motor for providing power to the power source, a plurality of gears for transmitting power transmitted from the drive motor to the horizontal control unit, and a brake for selectively stopping the horizontal control unit rotated by the drive motor. Include.

In addition, the brake is located inside the case to limit the rotation of the rotating shaft, and the inner inertia of the vertical adjustment portion is installed to interlock with the rotating shaft is an electrical inertia installed to limit the rotation of the rotating shaft by an electrical signal It is characterized by consisting of a brake.

In addition, the scanner generates a laser beam to emit a laser beam on the surface of the tunnel concrete lining to be measured, and a beam that is reflected back from the tunnel concrete lining surface laser beam emitted by the beam launching unit The beam receiving unit for receiving the, and the beam launching unit and the beam receiving unit is characterized in that it is made of an arm to be combined with the second stage boom of the horizontal adjustment unit.

The display unit may include a data storage unit for storing the information data obtained through the scanner and determining and analyzing detailed information of a surface, and a screen unit for displaying a result value analyzed by the data storage unit. do.

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Tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention by using a scanner to scan the surface of the concrete lining in the tunnel, it is possible to check the surface cracks and leaks quickly and precisely, at the same time the future maintenance construction cost and period Can be predicted accurately to prevent further unexpected costs.

In addition, by attaching a moving means to the lower portion of the surface inspection device, the user can easily and simply move the position of the surface inspection device is easy to install and dismantle, it is possible to reduce the work time by reducing the labor. Therefore, it is possible to reduce the labor cost and material cost according to the inspection.

1 is a view schematically showing a tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention.
2 is a view schematically showing the side of the tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention.
3 is a view schematically showing a state in which the handle portion and the transfer portion of the tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention.
4 is a view schematically showing a state in which the vertical adjustment unit is operated according to an embodiment of the present invention.
5 is a view schematically showing a cross section of the vertical adjustment unit shown in FIG.
6 is a view schematically showing a horizontal control unit according to an embodiment of the present invention.
7 is a view schematically showing a state in which the rotary drive unit of the tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention.
8 is a view schematically showing the appearance of the scanner installed in the tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention.
9A to 9E are schematic views illustrating surface inspection of tunnel concrete linings using the tunnel concrete lining surface inspection apparatus.

Hereinafter, an embodiment of a tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

Tunnel concrete lining surface inspection apparatus 100 according to an embodiment of the present invention to precisely inspect the surface cracks, leaks and white condition while moving quickly in the tunnel, as shown in Figure 1, the frame The unit 110, the handle unit 120, the transfer unit 130, the vertical adjustment unit 140, the horizontal adjustment unit 150, the rotation driving unit 160, the scanner 170, and the display It may include the unit 180.

The frame part 110 forms an exterior of the tunnel concrete lining surface inspection apparatus 100, and provides a space for installing the component.

In detail, the frame part 110 is formed in a housing shape having an accommodation space therein, and a handle part 120 capable of manipulating the transfer part 130 to be described later is disposed at one side, and the other side moves in an inclined tunnel. The center of gravity weight 135 is disposed as shown in FIG. 3 to prevent overturning.

Here, the center of gravity weight 135 is only installed so as to increase the weight of the frame portion 110, it is disposed inside the frame portion 110 made of the housing shape, detailed description thereof will be omitted.

The handle part 120 is formed to protrude on one side of the frame part 110, the handle 121 is formed to protrude to both sides of the body 121 and the body 121 so that the operator can grip. ), And a speed control button 123 to adjust the traveling speed, and a direction control button 124 to adjust the direction, such as forward or reverse.

In addition, the handle portion 120 further includes a drive key 125 for driving the inspection device and an emergency stop button 126 for stopping the driving of the tunnel concrete lining surface inspection device 100 in an emergency. can do.

Handle 122 is to allow the operator to switch the direction during the forward and backward transfer of the inspection apparatus, is formed to protrude to both sides of the body 121. In addition, the handle 122 is formed so that the operator can manually adjust the feed rate.

For example, the same as the handle 122 of the motorcycle can be formed to be connected to the transfer unit 130 so that the speed can be adjusted according to the amount of rotation of the lever.

The transfer unit 130 is installed at the lower portion of the frame unit 110 to easily and conveniently move the surface inspection apparatus 100. The transfer unit 130 is connected to the handle unit 120 through the universal joint 131. .

Specifically, as shown in FIG. 3, the transfer part 130 is installed under the frame part 110 and the front wheel 132 installed under the frame part 110 in which the handle part 120 is located. , The center of gravity 135 is divided into a rear wheel 134 is installed below the frame portion 110 is disposed.

The front wheels 132 are installed at both front sides of the frame part 110 and are connected to each other by a shaft, and the central part of the shaft is connected to the handle part 120 through the universal joint 131.

That is, as shown in the figure to facilitate the redirection of the tunnel concrete lining surface inspection apparatus 100 in a state in which the worker grips the handle 122 of the handle portion 120, the handle portion 120 toward the worker side. By tilting and exerting a force in the direction to proceed, the operator can operate with a small force.

In addition, the rear wheels 134 are installed at both rear sides of the frame unit 110, and a shock absorber 133 is installed. The shock absorber 133 performs a cushioning function so that the tunnel concrete lining surface inspection apparatus 100 can be smoothly performed on irregular ground.

That is, the pumping tunnel is generally formed to be inclined downward, so there is a risk of overturning when the tunnel concrete lining surface inspection apparatus 100 moves. Therefore, the center of gravity 135 is mounted on one side of the tunnel concrete lining surface inspection apparatus 100 to overcome the inclination.

Accordingly, there is a risk that the tunnel concrete lining surface inspection apparatus 100 will be damaged when the inspection device passes through the uneven ground by the weight center weight 135, and thus the frame portion on which the weight center weight 135 is located. The shock absorber 133 is installed at the lower portion of the 110 to allow the shock to be alleviated when passing through the bumpy ground.

In addition, the frame 110 in which the center of gravity weight 135 is located may be equipped with a battery 137 for supplying power so that the tunnel concrete lining surface inspection apparatus 100 may be moved forward or backward to double the weight. have. The battery 137 is electrically connected to the transfer unit 130 to provide power to rotate the transfer unit 130.

As shown in FIG. 4, the vertical adjustment part 140 protrudes from the upper center of the frame part 110 and is formed to be expanded and contracted in the vertical direction in the tunnel.

As shown in FIG. 5, the vertical adjustment unit 140 includes a first stage 142 and a second stage 144, and a hydraulic cylinder 146 is installed therein.

The first boom 142 is fixed to the upper portion of the frame portion 110 and is formed to have a hollow inside.

The second stage boom is a part is located inside the first stage boom and the other end is located outside the first stage boom, it is formed so that it can be extended or reduced in a sliding manner.

 At this time, the first stage boom 142 is formed to have a perforation portion 143 on the upper side and the second stage boom 144 is slid to the perforation portion 143.

Hydraulic cylinder 146 is located inside the first stage boom 142, one end is coupled to be fixed to the frame portion 110 and the other end is fixedly installed inside the second boom 144.

Therefore, the hydraulic cylinder 146 functions to allow the rod 147 to expand and contract according to the supply of power, so that the two-stage boom 144 can be raised or lowered in the vertical direction.

Here, in the present invention, for the convenience of description, the vertical adjustment unit 140 is formed of a first stage 142 and a two stage boom 144, but may be used in various ways, such as a three stage boom or a four stage boom.

As shown in FIG. 6, the horizontal adjustment unit 150 is rotatably installed at one end of the second boom 144 of the vertical adjustment unit 140.

Specifically, the horizontal adjustment unit 150 is that one end is rotatably coupled to the end of the second stage boom 144 of the vertical adjustment unit 140 and the scanner 170 is installed on the other end, the scanner 170 ) Rotates along the surface of the tunnel concrete lining and at the same time moves horizontally.

At this time, the horizontal adjustment unit 150 is made of a first stage boom 152 and a two-stage boom 154 like the vertical adjustment unit 140, the second stage boom 154 with respect to the first stage boom 152 hydraulic cylinder It is formed to be able to expand and contract by (not shown).

In addition, the horizontal adjustment unit 150 may also be changed to a three-stage boom or a four-stage boom in the same manner as the vertical adjustment unit 140.

On the other hand, the rotary drive unit 160 is a portion where the second stage boom of the vertical adjustment unit 140 and the first stage boom of the horizontal adjustment unit 150 are coupled so as to selectively drive or stop the horizontal adjustment unit 150. Is installed.

7 is a view schematically showing a state in which the rotation driving unit 160 of the tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention is installed.

Referring to FIG. 7, the rotation driving unit 160 may include a driving motor 162 providing power to rotate the horizontal adjusting unit 150 according to the supply of power, and the horizontal adjusting unit 150 may be configured to rotate the horizontal adjusting unit 150. A plurality of gears 164 installed between the rotating shaft 163 to be rotated with respect to the vertical adjuster 140, and to stop the horizontal adjuster 150 rotated by the drive motor 162. One brake 166 is included.

The drive motor 162 is installed on the other side of the vertical control unit 140 coupled with the horizontal control unit 150, is made in a rectangular shape and is located inside the case 161 having a receiving space therein, It is selectively driven by the supply of power.

In addition, the plurality of gears 164 are positioned inside the case 161, and are installed between the driving motor 162 and the rotating shaft 163 to transfer the power of the driving motor 162 to the rotating shaft 163. By transmitting the horizontal adjustment unit 150 can be rotated.

In addition, the brake 166 prevents a safety accident that may occur when the horizontal control unit 150 malfunctions and at the same time serves to temporarily stop the horizontal control unit 150 during the tunnel inspection, and the disc brake 167 ), And an electric inertia brake 168 may be included.

The disc brake 167 is installed inside the case 161, and the disc 167a which is rotatably fixed to the rotation shaft 163 and the carrier 167b for pressing the disc 167a can be compressed. And a pad 167c installed between the disk 167a and the carrier 167b to selectively limit rotation of the rotation shaft 163.

At this time, the disc brake 167 is a rotary shaft (3) by the friction of the pad 167c and the disk 167a provided inside the carrier 167b by pressing the disk 167a by the carrier 167b according to the operator's signal. The rotation of 163 is limited.

In addition, the electric inertia brake 168 is installed inside the two-stage boom 144 of the vertical adjustment unit 140, the back plate 168a, and the wheel cylinder 168b installed inside the back plate 168a. And an operating lever 168c for limiting the rotation of the rotary shaft by the friction force according to the operation of the wheel cylinder 168b.

The electric inertia brake 168 is operated when the wheel cylinder 168b is operated by an electric signal while the operating lever 168c is in contact with the initial back plate 168a and restrains the rotation of the rotation shaft 163. As the lever 168c is contracted, the lever 168c is spaced apart from the back plate 168a so that the rotation shaft 163 may be rotated.

The disc brake 167 and the electric inertia brake 168 having the above configuration release the restraining force of the rotation shaft 163 by an electrical signal so that the horizontal adjusting part 150 is rotated or restrained.

Here, the disc brake 167 and the electric inertia brake 168 are well known in the art and will not be described in detail.

On the other hand, as shown in Figure 8, the other end of the horizontal adjustment unit 150 is provided with a scanner 170 for generating 3D scan data by scanning the tunnel concrete lining surface.

The scanner 170 is a three-dimensional scanner 170 of a spatial coding method using a pattern beam to image a crack of the tunnel concrete lining surface, and includes a beam launching unit 172 and a beam receiving unit 174.

Here, the beam launching unit 172 and the beam receiving unit 174 are respectively coupled to both sides of the arm 176, the bracket 178 is located in the center of the arm 176 is the horizontal adjustment unit 150 It is formed to be coupled to the two-stage boom (154).

The beam launcher 172 functions to generate a laser beam and emit a laser beam to the tunnel concrete lining surface to be measured. That is, the beam launcher 172 may generate 3D scan data by photographing the surface of the tunnel concrete lining.

In addition, the beam projector 172 may further include an angle measuring unit (not shown) and a coordinate point converting unit (not shown).

The angle measuring unit (not shown) may arbitrarily adjust the angle between the reference point and the measuring point by a controlled command, and the coordinate point converting unit (not shown) receives an input length of the laser beam and receives an angle from the angle measuring unit. Receives the function and displays the function as a coordinate point.

In addition, the beam receiving unit 174 functions to receive a beam of light emitted from the surface of the tunnel concrete lining is reflected from the surface of the tunnel concrete lining. That is, it functions to receive the information data of the tunnel concrete lining surface generated by the beam launching unit 172.

Here, the information data includes deterioration information such as crack occurrence, leakage leakage, white tae occurrence, crack size, leakage area and size of the white phenomena occurrence area of the tunnel concrete lining.

1 and 2, the display unit 180 is installed at an upper side of the frame unit 110. The display unit 180 receives tunnel tunnel lining surface information obtained through the scanner 170, stores data, analyzes the image, and performs imaging.

The display unit 180 receives and stores tunnel concrete lining surface information obtained through the scanner 170, and simultaneously stores and analyzes detailed information of the obtained tunnel concrete lining surface, and the data storage unit 182; And a screen unit 184 that displays the result value and the like analyzed by the data storage unit 182.

Referring to the inspection method of the tunnel concrete lining surface inspection apparatus according to an embodiment of the present invention made as described above are as follows.

9A to 9D are schematic views illustrating surface inspection of a tunnel concrete lining surface using a tunnel concrete lining surface inspection apparatus.

Referring to this, first, as shown in Figure 9a, the surface inspection apparatus 100 according to an embodiment of the present invention is placed on the surface of the tunnel concrete lining to be measured.

That is, by receiving power from the battery 137 provided on one side of the frame unit 110 to drive the transfer unit 130, the operator can simply operate the surface inspection device 100 through the operation of the handle unit 120 Move it and place it adjacent to the tunnel concrete lining surface you want to measure.

Thereafter, as shown in FIG. 8B, the vertical adjusting part 140 is driven to raise the second stage boom 144 of the vertical adjusting part 140 by the hydraulic cylinder 146.

At this time, the driving and stopping of the transfer unit 130 smoothly moves using the DC power of the battery 137, the vertical adjusting unit 140 and the horizontal adjusting unit 150 and the electric inertia brake 168. It is preferable to use the AC power supply by using a separate cable line (not shown) so that a malfunction does not occur due to the discharge.

Subsequently, as shown in FIG. 8C, the horizontal adjuster 150 is rotated with respect to the vertical adjuster 140, and then the scanner 170 is disposed at the end of the second stage boom 154 of the horizontal adjuster 150. Mount it.

That is, the initial inspection device 100 is inspected by placing the horizontal adjustment unit 150 in parallel with the vertical adjustment unit 140 in a state where the scanner 170 is not mounted so as to be located in the groove of the frame unit 110. After the device 100 is easily moved, the scanner 170 is mounted on the vertical adjuster 140 when positioned in the tunnel to be inspected.

Here, the horizontal adjustment unit 150 is initially fixed by the electric inertia brake 168 and the disc brake 167, and transmits an electrical signal to the inertia brake 168 to restrain the inertia brake 168. Release it and let it rotate.

Thereafter, as shown in FIG. 8D, the horizontal adjuster 150 is extended to the surface of the wall to be measured, and then the laser beam is irradiated onto the surface through the beam launcher 172 of the scanner 170.

Therefore, it is possible to obtain information on the tunnel surface through the laser beam irradiated by the beam launcher 172. The obtained information is received by the beam receiver 174 and stored in the data storage 182 of the display 180.

Subsequently, as shown in FIG. 8E, the horizontal adjustment unit 150 is measured and then rotated in sector units to sequentially scan the entire surface of the tunnel concrete lining.

Thereafter, the display unit 180 calculates a result value by precisely analyzing the stored measurement data and outputs the result to the screen unit 184.

Then, when the measurement is completed, by transporting the inspection apparatus 100 to repeat the above in the same order to inspect the entire surface of the tunnel concrete lining.

So far, the present invention has been described in detail with reference to embodiments of the present invention, but the scope of the present invention is not limited thereto, and it will be included to substantially equivalent ranges with the embodiments of the present invention.

100: surface inspection device 110: frame portion
120: handle portion 130: transfer portion
140: vertical adjustment unit 150: horizontal adjustment unit
160: rotary drive unit 170: scanner
180: display unit

Claims (15)

A frame part having an outer portion and having a transfer part formed of a front wheel and a rear wheel at a lower part thereof, and having a center of gravity disposed at a portion at which the rear wheel is located;
A handle part formed to protrude on one side of the frame part and having one end coupled to the front wheel of the transfer part;
A vertical adjustment part formed to protrude in the center of the upper part of the frame part and to be expanded and contracted in the vertical direction;
A horizontal adjuster having one end rotatably coupled to the upper end of the vertical adjuster and alternatively being stretched and contracted;
A rotary drive unit providing power to the horizontal control unit so that the horizontal control unit can be rotated or stopped;
A scanner which is fixedly coupled to the other end of the leveling part and irradiates a laser beam to the tunnel concrete lining surface to be inspected to obtain information data of the tunnel concrete lining surface;
Tunnel concrete lining surface inspection apparatus electrically connected to the scanner and including a display unit for receiving and storing at the same time receiving and storing the information data obtained by the scanner. delete The method according to claim 1,
Tunnel concrete lining surface inspection apparatus, characterized in that the shock absorber is installed on the rear wheel of the transfer unit to mitigate the impact transmitted from the ground. The method according to claim 1,
Tunnel concrete lining surface inspection apparatus, characterized in that the front wheel of the handle portion and the transfer unit is rotatably coupled by a universal joint. The method according to claim 1,
The vertical adjustment unit
One end is fixed to the upper portion of the frame portion, the perforated portion is formed on the other end, the first stage boom having a hollow inside;
A two-stage boom that is slidably coupled through the perforations of the first-stage boom;
Tunnel concrete lining surface inspection apparatus which is located inside the first stage boom, one end is fixed to the upper portion of the frame portion, the other end is fixed to the second stage boom. The method according to claim 5,
The horizontal adjustment unit
One end is rotatably coupled to the vertical adjustment portion and the other end is formed with a perforation, the first stage boom having a hollow inside;
A two-stage boom that is slidably coupled through the perforations of the first-stage boom;
Tunnel concrete lining surface inspection apparatus which is located inside the first boom, one end fixed to the first boom and the other end is fixed to the second stage boom. The method according to claim 1,
The rotary drive unit
A case having an accommodation space therein, which is installed at one side of the vertical adjustment unit to which the horizontal adjustment unit is coupled;
A drive motor positioned inside the case and providing power to rotate the horizontal control unit with respect to the vertical control unit;
A plurality of gears for transmitting power transmitted from the driving motor to the horizontal control unit;
Tunnel concrete lining surface inspection apparatus comprising a brake to selectively stop the horizontal control unit rotated by the drive motor. The method according to claim 7,
The brake is
A disc brake positioned inside the case to limit rotation of the rotation shaft;
Tunnel concrete lining surface inspection apparatus, characterized in that made of the inertial brake is installed to interlock with the rotary shaft inside the vertical adjustment portion to limit the rotation of the rotary shaft by an electrical signal. The method according to claim 1,
The scanner
A beam launching unit for generating a laser beam and emitting a laser beam to the tunnel concrete lining surface to be measured;
A beam receiver for receiving a beam of laser beam emitted by the beam projector to be reflected back from the tunnel concrete lining surface;
Tunnel concrete lining surface inspection apparatus, characterized in that made of an arm connecting the beam launching unit and the beam receiving unit and can be combined with the two-stage boom of the horizontal adjustment unit. The method according to claim 1,
The display unit
A data storage unit for storing information data obtained through the scanner and determining and analyzing deterioration information of the surface of the tunnel concrete lining;
Tunnel concrete lining surface inspection apparatus, characterized in that consisting of a screen unit for displaying the result value analyzed by the data storage unit. delete delete delete delete delete
KR1020100090912A 2010-09-16 2010-09-16 Surface inspection apparatus for concrete lining of tunnel KR101022210B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020100090912A KR101022210B1 (en) 2010-09-16 2010-09-16 Surface inspection apparatus for concrete lining of tunnel
PCT/KR2011/003252 WO2012036365A2 (en) 2010-09-16 2011-05-02 Apparatus for inspecting the surface of the concrete lining of a tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100090912A KR101022210B1 (en) 2010-09-16 2010-09-16 Surface inspection apparatus for concrete lining of tunnel

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WO (1) WO2012036365A2 (en)

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KR101889398B1 (en) 2018-04-10 2018-08-17 재단법인 한국재난연구원 Tunnel spring line marker
CN109425851A (en) * 2017-08-24 2019-03-05 常州中铁科技有限公司 A kind of detections of radar bar for tunnel state detection
KR20200097956A (en) 2019-02-11 2020-08-20 충남대학교산학협력단 A data acquisition measurement device with non-destructive inspection method for estimation of structural safety of a tunnel lining
CN112857272A (en) * 2021-03-25 2021-05-28 甘肃有色冶金职业技术学院 Flatness detection equipment for building construction
CN113250752A (en) * 2021-06-16 2021-08-13 清华大学 Automatic overhauling system and method for tunnel
CN116164653A (en) * 2023-04-23 2023-05-26 安徽建筑大学 Road and bridge concrete structure detection device

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