Magnetic type concrete surface repairing device and using method thereof

Abstract

The invention belongs to the technical field of concrete crack repairing, and discloses a magnetic type concrete surface repairing device and a using method thereof.The magnetic type concrete surface repairing device comprises a moving device, a magnetic device and a concrete surface repairing device, a magnetic attraction assembly; a monitoring assembly; a material supplementing assembly; a trowelling assembly; and the remote control equipment is in telecommunication connection with the mobile equipment and is used for controlling the mobile equipment to move along the surface of the concrete structure. The magnetic attraction assembly is adopted to attract the mobile equipment and the reinforcing steel bars in the concrete structure so that the repairing device can be attached to the surface of the concrete structure, the remote control equipment controls the mobile equipment to move on the surface of the concrete structure in an attached mode, and then a repairing area is found through the monitoring assembly; a repairing material is supplemented to the repairing area through the material supplementing assembly, and then trowelling treatment is conducted through the trowelling assembly, so that repairing of the surface of the concrete structure is achieved. The problem of repairing the surface of the side wall or the bottom of the large-size concrete structure located at the high position can be well solved, practicability is high, and manpower is saved.

Description

Technical Field

[0001] The invention belongs to the technical field of concrete crack repair, and in particular relates to a magnetic suction type concrete surface repairing device and a use method thereof. Background Art

[0002] In the construction of modern buildings, highways and bridges, reinforced concrete (concrete) is one of the most important structural materials. It is made by tying steel bars and then pouring concrete. Its stability and durability are directly related to the safety and service life of the project. However, especially in the construction of large-volume concrete, such as bridge piers, due to insufficient vibration and improper demolding operations, the concrete surface has many problems such as honeycombs, rough surfaces, missing edges and corners, and small cracks, which seriously affect the appearance quality of the concrete. In addition, with the passage of time, environmental erosion, and improper maintenance during use, the concrete surface often has cracks, peeling, weathering, stains, etc. These problems not only affect the appearance, but may also threaten the overall safety of the structure.

[0003] At present, the surface repair of the side wall or bottom of a large-volume concrete structure at height is mostly carried out with the assistance of machinery such as aerial platforms, and the repair construction is carried out by manually applying repair materials such as cement mortar or epoxy resin. Not only is the construction cost high, but the risk factor is also high. In addition, when facing the concrete construction of high-rise buildings and viaduct projects, especially linear projects such as highway bridges, the later maintenance is extremely inconvenient. Therefore, we propose a magnetic concrete surface repair device and its use method to solve the above problems. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a magnetic concrete surface repair device and a method of using the same, which solves the problems of high cost and high risk factor of manual construction.

[0005] The present invention is implemented through the following scheme: a magnetic suction concrete surface repair device, comprising:

[0006] mobile device;

[0007] The magnetic suction component is arranged on the side of the mobile device facing the concrete structure, and is used to be adsorbed with the steel bars in the concrete structure, so that the mobile device can be attached to the surface of the concrete structure;

[0008] A monitoring component, which is arranged at the head end of the mobile device and is used to monitor the repair area existing on the surface of the concrete structure;

[0009] A material replenishing component, which is arranged at the rear end of the mobile device and is used to replenish the repair material to the repair area;

[0010] The smoothing component is arranged at the rear end of the mobile device and is in close contact with the surface of the concrete structure. The mobile device moves, and then the smoothing component smoothes the supplementary repair material to achieve the repair of the concrete structure surface;

[0011] The remote control device is connected to the mobile device by telecommunication and is used to control the mobile device to move along the surface of the concrete structure.

[0012] A further improvement of the magnetic concrete surface repair device of the present invention is that the magnetic suction component includes an electromagnetic suction cup fixed to the side of the mobile device facing the concrete structure and a magnetic sensor arranged on the electromagnetic suction cup. The electromagnetic suction cup has magnetic force when energized to achieve attraction with the steel bars in the concrete structure.

[0013] A further improvement of the magnetic concrete surface repairing device of the present invention is that the monitoring component includes a connecting frame and a camera, the connecting frame is fixed to the head end of the mobile device, and the camera is fixed on the connecting frame.

[0014] A further improvement of the magnetic concrete surface repair device of the present invention is that the monitoring component also includes a mounting plate fixed to the connecting frame, and a lamp located around the camera and used to illuminate the surface of the concrete structure in a dark environment is fixed to the mounting plate.

[0015] A further improvement of the magnetic concrete surface repair device of the present invention is that the feeding component includes a connecting pipe fixed on the mobile device and a shotcrete pipe fixed at the rear end of the mobile device and located before the travel route of the smoothing component, the first end of the connecting pipe is connected to the external feeding conveying component, and the second end is connected to the shotcrete pipe; a valve is fixedly installed on the first end of the connecting pipe.

[0016] A further improvement of the magnetic concrete surface repair device of the present invention is that the material replenishment conveying assembly includes a storage container storing repair material, a conveying pipe for connecting to a connecting pipe, and an extraction pump arranged in the storage container and used to extract the material replenishment into the conveying pipe, and the conveying pipe is a hose.

[0017] A further improvement of the magnetic concrete surface repair device of the present invention is that the smoothing assembly includes a brush plate connected and fixed to the tail end of the mobile device; the brush plate includes a plate, a spatula and a brush, the plate is connected and fixed to the tail end of the mobile device, the brush is arranged and fixed on the side of the plate facing the concrete structure, and the spatula is fixed on the side of the plate facing the concrete structure and is located at the head end edge of the brush;

[0018] The smoothing assembly also includes an adjusting assembly for making the brush plate closely contact with the surface of the concrete structure.

[0019] A further improvement of the magnetic concrete surface repair device of the present invention is that a fixing plate is fixedly connected to the tail end of the mobile device, and a connecting rod for connecting a brush plate is connected to the fixing plate;

[0020] The adjustment component includes a rotating shaft, a U-shaped adjustment port opened at the end of the fixed plate, a through port opened on the fixed plate and connected to the U-shaped adjustment port, and a motor fixedly connected to the fixed plate. The first end of the rotating shaft is connected to the motor output shaft, and the second end is rotatably arranged in the through port. The first end of the connecting rod is connected to the rotating shaft and embedded in the U-shaped adjustment port. The motor drives the rotating shaft to rotate, and then the connecting rod rotates with the brush plate to achieve close contact between the brush plate and the surface of the concrete structure.

[0021] A further improvement of the magnetic concrete surface repair device of the present invention is that the adjustment component also includes a self-adjusting part for keeping the brush plate in close contact with the surface of the concrete structure at all times, the self-adjusting part includes a movable hole that passes through the connecting rod and for the rotating shaft to pass through, a gear fixed to the outside of the rotating shaft, and a tooth groove formed at a position corresponding to the gear on the movable hole for the gear to mesh with, the tooth groove size is larger than the gear size so that a tooth gap is formed between the tooth groove and the gear, and a pressure sensor for detecting the clamping force between the gear and the tooth groove is provided in the tooth gap.

[0022] A method for using a magnetic concrete surface repair device comprises the following steps:

[0023] Providing the magnetic concrete surface repairing device described above;

[0024] First, the magnetic suction type concrete surface repair device is attached to the surface of the concrete structure, and then the magnetic suction component is activated to attract the steel bars in the concrete structure, so that the magnetic suction type concrete surface repair device is attached to the surface of the concrete structure;

[0025] Operate the remote control device to drive the mobile device to move along the surface of the concrete structure to find the repair area;

[0026] After the monitoring component finds the repair area, the remote control device is operated to drive the mobile device to move to the repair area, the material replenishment component is started to replenish the repair material to the repair area, and the remote control device is continued to be operated to drive the mobile device with the smoothing component to smooth the repair material replenished in the repair area.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The present invention uses a magnetic attraction component to attract the mobile device to the steel bars in the concrete structure, so that the repair device is attached to the surface of the concrete structure, and the mobile device is controlled by a remote control device to move on the surface of the concrete structure, and then the monitoring component is used to find the repair area, and the repair material is added to the repair area by the filling component, and then the smoothing component is used to smoothen the surface, thereby realizing the repair of the concrete structure surface; the repair device can well solve the problem of repairing the surface of the side wall or bottom of a large-volume concrete structure located at a high place, has strong practicality, saves manpower and machinery costs, shortens the construction period, improves the construction quality, realizes intelligent and unmanned construction, conforms to the concept of green construction, and avoids the dangerous factors of manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram showing the magnetic concrete surface repairing device of the present invention attached to the surface of a concrete structure is shown.

[0030] Figure 2 The present invention is shown Figure 1 Enlarged schematic diagram at point A in the middle.

[0031] Figure 3 The present invention is shown Figure 1 Enlarged schematic diagram of point B in the middle.

[0032] Figure 4 The present invention is shown Figure 1 Enlarged schematic diagram at point C in the middle.

[0033] Figure 5 A schematic diagram of the installation position of the electromagnetic chuck of the present invention is shown.

[0034] Figure 6 The cross-sectional structure schematic diagram of the connection between the fixing plate and the connecting rod of the present invention is shown.

[0035] Figure 7 A schematic diagram showing the position of the gear and tooth groove structure of the present invention is shown.

[0036] In the figure: 1. concrete structure; 101. steel bar; 2. feeding component; 201. extraction pump; 202. delivery pipe; 203. valve; 204. connecting pipe; 205. spraying pipe; 3. leveling component; 301. fixing plate; 3011. U-shaped adjustment port; 302. plate; 303. brush; 304. spatula; 305. connecting rod; 306. motor; 307. rotating shaft; 308. gear; 309. tooth groove; 310. pressure sensor; 311. through port; 312. movable hole; 4. monitoring component; 401. connecting frame; 402. mounting plate; 403. camera; 404. lamp; 405. protective cover; 5. signal receiving / transmitting device; 6. central processing unit; 7. battery; 8. magnetic suction component; 801. electromagnetic suction cup; 802. magnetic sensor; 9. mobile device. DETAILED DESCRIPTION

[0037] In order to solve the problems of high cost and high risk of manual construction, the present invention provides a magnetic concrete surface repair device and a method for using the same. The following is a further description of the magnetic concrete surface repair device and a method for using the same with specific embodiments and drawings.

[0038] See also Figure 1 to Figure 7 As shown, a magnetic concrete surface repair device comprises:

[0039] Mobile device 9;

[0040] The magnetic attraction component 8 is arranged on the side of the mobile device 9 facing the concrete structure 1, and is used for adsorbing the steel bars 101 in the concrete structure 1, so that the mobile device 9 is attached to the surface of the concrete structure 1;

[0041] The monitoring component 4 is arranged at the head end of the mobile device 9 and is used to monitor the repair area existing on the surface of the concrete structure 1;

[0042] A material replenishing assembly 2, arranged at the rear end of the mobile device 9, is used to replenish the repair material to the repair area;

[0043] The smoothing component 3 is arranged at the rear end of the mobile device 9 and is in close contact with the surface of the concrete structure 1. When the mobile device 9 moves, the smoothing component 3 smoothes the supplementary repair material to achieve surface repair of the concrete structure 1.

[0044] The remote control device is connected to the mobile device 9 by telecommunication, and is used to control the mobile device 9 to move along the surface of the concrete structure 1 .

[0045] Specifically, the remote control device is provided with a display screen for convenient observation and operation; the mobile device 9 is a mobile cart; the magnetic suction component 8 is used to attract the mobile device 9 to the steel bars 101 in the concrete structure 1, so that the repair device is attached to the surface of the concrete structure 1, and the mobile device 9 is controlled by the remote control device to move on the surface of the concrete structure 1, and then the monitoring component 4 is used to find the repair area, and the repair material is added to the repair area through the filling component 2, and then the smoothing component 3 is used to smoothen the surface, so as to realize the repair of the surface of the concrete structure 1; the repair device can well solve the problem of repairing the side wall or bottom of the large-volume concrete structure 1 located at a high place.

[0046] Among them, see Figure 1 , 2 As shown in FIG. 5 , the magnetic suction component 8 includes an electromagnetic suction cup 801 fixed to the side of the mobile device 9 facing the concrete structure 1 and a magnetic sensor 802 arranged on the electromagnetic suction cup 801 . The electromagnetic suction cup 801 has magnetic force when powered on to achieve attraction with the steel bars 101 in the concrete structure 1 .

[0047] By energizing the electromagnetic suction cup 801 to generate magnetic force, when the magnetic force is greater than the weight of the entire repair device, the repair device can be firmly attached to the surface of the concrete structure 1. The magnetic sensor 802 can detect the magnetic force of the electromagnetic suction cup 801 and upload it to the display screen on the remote control device, making it convenient for the operator to observe and operate.

[0048] Among them, see Figure 3 As shown, the monitoring component 4 includes a connecting frame 401 and a camera 403. The connecting frame 401 is fixed to the head end of the mobile device 9, and the camera 403 is fixed to the connecting frame 401;

[0049] The monitoring component 4 also includes a mounting plate 402 fixed on the connecting frame 401 , on which a lamp 404 is fixed, which is located around the camera 403 and is used to illuminate the surface of the concrete structure 1 in a dark environment.

[0050] Specifically, a protective cover 405 is provided on the outside of the camera 403. The material of the protective cover 405 is transparent, preferably glass, which can simply protect the camera 403. The mounting plate 402 can be a sunshade. The camera 403 can be used to observe the surface of the concrete structure 1, and upload the monitoring image to the display screen on the remote control device. Once the repair area is found, it is helpful for the operator to control the repair in time. The lamp 404 can be used for lighting, which is convenient for the use of the repair device in a dark environment.

[0051] Among them, see Figure 1 , 2As shown in FIG. 4 , the feed component 2 includes a connecting pipe 204 fixed on the mobile device 9 and a shotcrete pipe 205 fixed at the rear end of the mobile device 9 and located before the travel route of the smoothing component 3. The first end of the connecting pipe 204 is connected to the external feed conveying component, and the second end is connected to the shotcrete pipe 205. A valve 203 is fixedly installed on the first end of the connecting pipe 204.

[0052] The material replenishment conveying assembly includes a storage container storing the repair material, a conveying pipe 202 for connecting to a connecting pipe 204, and an extraction pump 201 disposed in the storage container and used for extracting the material replenishment material to the conveying pipe 202. The conveying pipe 202 is a hose.

[0053] Specifically, the extraction pump 201 is a centrifugal pump, the storage container is set on the ground, and the repair material is extracted by the extraction pump 201. The hose delivery pipe 202 is relatively long and can meet the moving range requirements of the mobile equipment 9. The valve 203 can control the repair material to pass through the spraying pipe 205 for repair, which is convenient for operation.

[0054] Wherein, referring to 1, 2 and 5, the trowel assembly 3 includes a brush plate connected and fixed to the rear end of the mobile device 9; the brush plate includes a plate 302, a spatula 304 and a brush 303, the plate 302 is connected and fixed to the rear end of the mobile device 9, the brush 303 is arranged and fixed on the side of the plate 302 facing the concrete structure 1, and the spatula 304 is fixed on the side of the plate 302 facing the concrete structure 1 and is located at the head end edge of the brush 303;

[0055] The smoothing component 3 also includes an adjustment component for making the brush plate fit tightly against the surface of the concrete structure 1 .

[0056] The device 9 can be moved with the brush plate, which is in close contact with the surface of the concrete structure 1. The repair material added to the repair area can be tightly leveled by the spatula 304, and then the surface can be smoothed by the brush 303 to complete the repair operation.

[0057] 6 and 7 , the tail end of the mobile device 9 is fixedly connected to a fixing plate 301 , and the fixing plate 301 is connected to a connecting rod 305 for connecting the brush plate;

[0058] The adjustment component includes a rotating shaft 307, a U-shaped adjustment port 3011 opened at the end of the fixed plate 301, a through port 311 opened on the fixed plate 301 and connected to the U-shaped adjustment port 3011, and a motor 306 fixedly connected to the fixed plate 301. The first end of the rotating shaft 307 is connected to the output shaft of the motor 306, and the second end is rotatably arranged in the through port 311. The first end of the connecting rod 305 is connected to the rotating shaft 307 and embedded in the U-shaped adjustment port 3011; the motor 306 drives the rotating shaft 307 to rotate, and then the connecting rod 305 rotates with the brush plate to achieve close contact between the brush plate and the surface of the concrete structure 1;

[0059] The adjustment component also includes a self-adjusting part for keeping the brush plate in close contact with the surface of the concrete structure 1 at all times. The self-adjusting part includes a movable hole 312 that passes through the connecting rod 305 and for the rotating shaft 307 to pass through, a gear 308 fixed to the outside of the rotating shaft 307, and a tooth groove 309 formed at a position corresponding to the gear 308 on the movable hole 312 for the gear 308 to engage with. The size of the tooth groove 309 is larger than the size of the gear 308, so that a tooth gap is formed between the tooth groove 309 and the gear 308, and a pressure sensor 310 for detecting the clamping force between the gear 308 and the tooth groove 309 is provided in the tooth gap.

[0060] Specifically, the connecting rod 305 is arranged obliquely; the motor 306 drives the rotating shaft 307 to rotate and adjust, thereby driving the gear 308 to rotate, and the gear 308 can press against the tooth groove 309, thereby driving the connecting rod 305 to rotate and adjust, so that the brush plate can be in close contact with the surface of the concrete structure 1. Through the setting of the pressure sensor 310, it can be used to always detect the pressing force between the gear 308 and the tooth groove 309. When the mobile device 9 moves to the surface of the concrete structure 1 with a certain curvature, the brush plate is not in close contact with the surface of the concrete structure 1, and the pressure detected by the pressure sensor 310 is less than the set value. The motor 306 can be controlled to drive the rotating shaft 307 to rotate and adjust, so that the gear 308 presses against the tooth groove 309 to drive the connecting rod 305 to rotate, so that the brush plate can be in close contact with the surface of the concrete structure 1, and the pressure detected by the pressure sensor 310 reaches the set value. The self-adjusting part can make the brush plate always in close contact with the surface of the concrete structure 1, so as to improve the application range of the leveling component 3.

[0061] Among them, see Figure 2 As shown, the magnetic concrete surface repair device also includes a battery 7 detachably installed inside the mobile device 9, which is used to supply power to the mobile device 9, the magnetic component 8, the monitoring component 4 and the smoothing component 3.

[0062] Specifically, the mobile device 9 is equipped with a signal receiver / transmitter 5, and the mobile device 9 is internally equipped with a central processor 6, so that the remote control device can control the mobile device 9, the monitoring component 4, the extraction pump 201, the valve 203 and the leveling component 3, etc.;

[0063] A method for using a magnetic concrete surface repair device comprises the following steps:

[0064] Providing the above-mentioned magnetic concrete surface repairing device;

[0065] First, the magnetic concrete surface repair device is attached to the surface of the concrete structure 1, and then the electromagnetic suction cup 801 is powered on to attract the steel bars 101 in the concrete structure 1 with magnetic force, so that the magnetic concrete surface repair device is attached to the surface of the concrete structure 1;

[0066] One end of the delivery pipe 202 is connected to the extraction pump 201 on the ground, and the other end is connected to the connecting pipe 204;

[0067] Operate the remote control device to drive the mobile device 9 to move along the surface of the concrete structure 1 to find a repair area;

[0068] After the camera 403 finds the repair area, it will upload the picture to the screen. The operator first operates the remote control device to drive the mobile device 9 to move to the repair area, then starts the extraction pump 201 to extract the repair material, opens the valve 203, and replenishes the repair material to the repair area through the delivery pipe 202 and the connecting pipe 204, and finally through the spraying pipe 205, and continues to operate the remote control device to drive the mobile device 9 to move, and then uses the spatula 304 and the brush 303 to smooth the repair area.

[0069] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0070] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. A magnetic concrete surface repair device, characterized in that: include: mobile device; The magnetic suction component is arranged on the side of the mobile device facing the concrete structure, and is used to be adsorbed with the steel bars in the concrete structure, so that the mobile device can be attached to the surface of the concrete structure; A monitoring component, which is arranged at the head end of the mobile device and is used to monitor the repair area existing on the surface of the concrete structure; A material replenishing component, which is arranged at the rear end of the mobile device and is used to replenish the repair material to the repair area; The smoothing component is arranged at the rear end of the mobile device and is in close contact with the surface of the concrete structure. The mobile device moves, and then the smoothing component smoothes the supplementary repair material to achieve the repair of the concrete structure surface; The remote control device is connected to the mobile device by telecommunication and is used to control the mobile device to move along the surface of the concrete structure.

2. The magnetic concrete surface repair device according to claim 1, characterized in that: The magnetic suction component includes an electromagnetic suction cup fixed on the side of the mobile device facing the concrete structure and a magnetic sensor arranged on the electromagnetic suction cup. The electromagnetic suction cup has magnetic force when energized to achieve attraction with the steel bars in the concrete structure.

3. The magnetic concrete surface repairing device according to claim 1, characterized in that: The monitoring component comprises a connecting frame and a camera, wherein the connecting frame is fixed to the head end of the mobile device, and the camera is fixed on the connecting frame.

4. The magnetic concrete surface repairing device according to claim 3, characterized in that: The monitoring component also includes a mounting plate fixed on the connecting frame, on which a lamp located around the camera head and used for illuminating the surface of the concrete structure in a dark environment is fixed.

5. The magnetic concrete surface repairing device according to claim 1, characterized in that: The feeding assembly includes a connecting pipe fixed on the mobile device and a shotcrete pipe fixed at the rear end of the mobile device and located in front of the travel route of the smoothing assembly. The first end of the connecting pipe is connected to the external feeding conveying assembly, and the second end is connected to the shotcrete pipe. A valve is fixedly installed on the first end of the connecting pipe.

6. The magnetic concrete surface repairing device according to claim 5, characterized in that: The material replenishment conveying assembly includes a storage container storing repair material, a conveying pipe for connecting a connecting pipe, and an extraction pump arranged in the storage container and used for extracting the material replenishment material to the conveying pipe. The conveying pipe is a hose.

7. The magnetic concrete surface repairing device according to claim 1, characterized in that: The trowel assembly comprises a brush plate connected and fixed to the rear end of the mobile device; the brush plate comprises a plate, a spatula and a brush, the plate being connected and fixed to the rear end of the mobile device, the brush being arranged and fixed to a side of the plate facing the concrete structure, the spatula being fixed to a side of the plate facing the concrete structure and being located at the front end edge of the brush; The smoothing assembly also includes an adjusting assembly for making the brush plate closely contact with the surface of the concrete structure.

8. The magnetic concrete surface repairing device according to claim 7, characterized in that: A fixing plate is fixedly connected to the tail end of the mobile device, and a connecting rod for connecting a brush plate is connected to the fixing plate; The adjustment component includes a rotating shaft, a U-shaped adjustment port opened at the end of the fixed plate, a through port opened on the fixed plate and connected to the U-shaped adjustment port, and a motor fixedly connected to the fixed plate. The first end of the rotating shaft is connected to the motor output shaft, and the second end is rotatably arranged in the through port. The first end of the connecting rod is connected to the rotating shaft and embedded in the U-shaped adjustment port. The motor drives the rotating shaft to rotate, and then the connecting rod rotates with the brush plate to achieve close contact between the brush plate and the surface of the concrete structure.

9. The magnetic concrete surface repairing device according to claim 8, characterized in that: The adjustment component also includes a self-adjusting part for keeping the brush plate in close contact with the surface of the concrete structure at all times. The self-adjusting part includes a movable hole that passes through the connecting rod and for the rotating shaft to pass through, a gear fixed to the outside of the rotating shaft, and a tooth groove formed at a position corresponding to the gear on the movable hole for the gear to mesh with. The size of the tooth groove is larger than the size of the gear so that a tooth gap is formed between the tooth groove and the gear. A pressure sensor for detecting the clamping force between the gear and the tooth groove is provided in the tooth gap.

10. A method for using a magnetic concrete surface repair device, characterized in that: The following steps are involved: Providing a magnetic concrete surface repair device as claimed in claim 1; First, the magnetic suction type concrete surface repair device is attached to the surface of the concrete structure, and then the magnetic suction component is activated to attract the steel bars in the concrete structure, so that the magnetic suction type concrete surface repair device is attached to the surface of the concrete structure; Operate the remote control device to drive the mobile device to move along the surface of the concrete structure to find the repair area; After the monitoring component finds the repair area, the remote control device is operated to drive the mobile device to move to the repair area, the material replenishment component is started to replenish the repair material to the repair area, and the remote control device is continued to be operated to drive the mobile device with the leveling component to level the repair material replenished in the repair area.

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