Crack detection and grouting repair equipment for underwater concrete

Abstract

The application discloses a kind of underwater concrete crack detection and grouting repair equipment, it is related to concrete structure repair technical field.The specific bottom bracket, shell, propeller, crack detection component, multiple Mcleod wheels, electric push rod and push plate are included, one side of shell is connected with telescopic pipe, the bottom of push plate is provided with the nozzle that the telescopic end of telescopic pipe is communicated, the bottom of push plate is provided with anti-shielding mechanism;Anti-shielding mechanism includes fixed plate, electric telescopic rod, moving plate and multiple cutting blocks, moving plate and push plate sliding fit.The anti-shielding mechanism of the application, by electric telescopic rod, moving plate, cutting block are cooperated, waterweeds and flexible garbage in front of nozzle are cut, broken, reduce the probability that waterweeds and flexible garbage cover to the surface of nozzle, so as to reduce the probability that waterweeds and flexible garbage are taken into crack together by nozzle in grouting process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete structure repair, in particular to a crack detection and grouting repair equipment for underwater concrete. BACKGROUND

[0002] The crack detection and grouting repair equipment for underwater concrete is a high-efficiency tool specially designed for underwater engineering, which is used for detecting and repairing cracks of concrete structures. The equipment is equipped with high-precision sensors and detection instruments, which can monitor the crack condition of underwater concrete in real time and perform directional grouting repair through a special nozzle. The grouting material can penetrate deep into the cracks, effectively repairing the structure, preventing water intrusion, and improving the durability of the project. The equipment is easy to operate and suitable for the maintenance and reinforcement of underwater concrete structures such as ports, dams, and reservoirs.

[0003] The Chinese patent with patent publication number CN119195234A discloses a crack detection and grouting repair system for underwater concrete, which includes a visual operation system and an underwater robot controlled by the system. The underwater robot includes a carrying plate, a multifunctional converter arranged below the edge of the carrying plate, and a power assembly, a camera assembly, a crack detection assembly, a crack repair assembly, and a control circuit arranged in corresponding areas of the carrying plate. The crack detection assembly includes an inkjet head arranged on the multifunctional converter, which is used for inkjet processing on suspected crack areas and connected with a corresponding ink cartridge. The crack repair assembly includes a high polymer nozzle arranged on the multifunctional converter and a pinhole grouting head arranged below the base. The high polymer nozzle and the pinhole grouting head are respectively connected with a micro grouting machine. The high polymer nozzle is used for narrow crack grouting repair, and the pinhole grouting head is used for wide crack grouting repair. The patent aims to realize crack detection and repair of underwater concrete.

[0004] However, the current repair equipment has the following problems: when the current equipment moves in water, waterweeds and flexible garbage in the water are easy to cover the surface of the nozzle, causing the nozzle to bring waterweeds and flexible garbage into the crack during the grouting process, thereby blocking the penetration path of the grout, resulting in unsatisfactory grouting effect and unstable consolidation of the crack. Therefore, we propose a crack detection and grouting repair equipment for underwater concrete. SUMMARY

[0005] The present application aims to provide a crack detection and grouting repair equipment for underwater concrete to solve the problems raised in the background.

[0006] The technical solution of the present application to solve the above technical problems is as follows:

[0007] The utility model provides a kind of underwater concrete crack detection and grouting repair equipment, including support base, the shell being set to the top of support base, the propeller being set to the position of four corners of shell, crack detection component is set to support base, multiple mac wheels are set to the bottom of support base, electric push rod is set to the bottom of support base, and push plate is set to the bottom of the telescopic end of electric push rod, the side of shell is connected with telescopic pipe, the bottom of push plate is provided with spray head, the telescopic end of telescopic pipe passes through support base and is connected with spray head, the bottom of push plate is provided with anti-shielding mechanism;

[0008] Anti-shielding mechanism includes fixed plate vertically arranged on the bottom of push plate and located in front of spray head, electric telescopic rod arranged on the side away from spray head of fixed plate, moving plate arranged on the telescopic end of electric telescopic rod, and multiple cutting blocks vertically spaced apart on the front side of moving plate, moving plate and push plate are slidingly engaged.

[0009] Further, the front end of the push plate is symmetrically provided with a support rod on both sides, respectively, the bottom of the two support rods is provided with a guide block, the two guide blocks are in contact and form a V-shaped structure, the contact of the two guide blocks is respectively spaced apart to form a plurality of slots matched with the cutting blocks, and the cutting blocks and the slots are one-to-one corresponding.

[0010] Further, the bottom of the push plate is provided with a moving groove slidingly engaged with the top of the moving plate.

[0011] Further, the telescopic end of the electric telescopic rod is provided with an anti-adsorption mechanism on the outer wall thereof.

[0012] The anti-adsorption mechanism includes a U-shaped rod arranged on the outer wall of the telescopic end of the electric telescopic rod, two hinge rods respectively hinged to the two sides of the U-shaped rod, a fan plate hinged to the end of the hinge rod away from the U-shaped rod, and a support column connected to the bottom of the support rod, and the fan plate and the support column are rotationally engaged.

[0013] Further, the outer wall of the guide block is connected with the fan plate through a telescopic block.

[0014] Further, the fixed end of the telescopic block is arranged on the outer wall of the guide block, and the telescopic end of the telescopic block is connected with the fan plate.

[0015] Further, the two sides of the U-shaped rod are distributed on the two sides of the electric telescopic rod and are parallel to the electric telescopic rod.

[0016] Further, the anti-clogging mechanism for cleaning the spray head is further included.

[0017] The anti-clogging mechanism includes two connecting rods respectively connected to the two ends of the U-shaped rod, and a U-shaped brush arranged at the ends of the two connecting rods for cleaning the outlet of the spray head, and the rod part of the U-shaped brush is slidingly engaged with the bottom of the push plate.

[0018] Further, the bottom of the push plate is provided with an elastic telescopic rod, and the elastic telescopic rod is located at the rear side of the spray head.

[0019] The anti-blocking mechanism further comprises a U-shaped stress block arranged at the bottom of the telescopic end of the elastic telescopic rod and parallel to the U-shaped brush, a striking block arranged on the U-shaped stress block and corresponding to the bottom of the U-shaped brush, and a push block connected to the two sides of the U-shaped brush and corresponding to the top end of the U-shaped stress block, wherein the top end of the U-shaped stress block is arc-shaped, and the bottom of the push block is provided with a plurality of semi-arc blocks corresponding to the top end of the U-shaped stress block.

[0020] Further, the bottom of the push plate is provided with a sliding groove in sliding cooperation with the rod part of the U-shaped brush.

[0021] The present application has the following advantages:

[0022] 1. The underwater concrete crack detection and grouting repair equipment of the present application, through the cooperation of the electric telescopic rod, the moving plate and the cutting block in the anti-blocking mechanism, makes all the cutting blocks move back and forth, thereby cutting and crushing the waterweeds and flexible garbage in front of the spray head, reducing the probability of the waterweeds and flexible garbage covering the surface of the spray head, thereby reducing the probability of the waterweeds and flexible garbage being brought into the cracks together with the spray head during the grouting process; at the same time, through the cooperation of the cutting block and the guide block, the cut and crushed waterweeds and flexible garbage will move away from the spray head along the guide block, avoiding the problem of the cut waterweeds and flexible garbage affecting the grouting of the spray head.

[0023] 2. The underwater concrete crack detection and grouting repair equipment of the present application, through the arrangement of the anti-adsorption mechanism, under the cooperation of the U-shaped rod, the hinged rod, the supporting column, the fan plate and the telescopic block, the fan plate can push the water flow to flow away from the push plate, so that the water will drive the cut waterweeds and flexible garbage away from the push plate during the flow process, thereby further ensuring that the cut waterweeds and flexible garbage will not move towards the direction of the spray head again, further avoiding the cut waterweeds and flexible garbage from winding or covering the surface of the spray head again; at the same time, the side surface of the telescopic block will shield and limit the cut and crushed waterweeds and flexible garbage.

[0024] 3、The crack detection and grouting repair equipment for underwater concrete disclosed by the application, through the setting of the anti-blocking mechanism, the back-and-forth movement of the U-shaped brush and the cleaning of the outlet of the spray head are realized through the cooperation of the U-shaped rod, the connecting rod and the U-shaped brush, so that the outlet of the spray head is prevented from being blocked by the particles floating in the water during the movement, and the problem that the slurry is difficult to spray out of the spray head is solved. Through the cooperation of the elastic extension rod, the U-shaped stress block, the impact block, the push block and the U-shaped brush, the impact block will impact the bottom of the U-shaped brush and make the U-shaped brush vibrate, so that the probability of the particles adhering to the U-shaped brush floating into the water through vibration is increased, and the probability of the particles adhering to the U-shaped brush adhering to the outlet of the spray head again is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the crack detection and grouting repair equipment for underwater concrete.

[0026] Figure 2 It is a structural schematic view of the bottom structure of the crack detection and grouting repair equipment for underwater concrete.

[0027] Figure 3 It is a local structural schematic view of the push plate.

[0028] Figure 4 It is a structural schematic view of the anti-blocking mechanism.

[0029] Figure 5 It is a specific structural schematic view of the anti-blocking mechanism.

[0030] Figure 6 It is a structural schematic view of the anti-absorption mechanism.

[0031] Figure 7 It is a structural schematic view of the anti-blocking mechanism.

[0032] In the figure: 1, support base; 2, shell; 21, extension pipe; 3, propeller; 4, crack detection assembly; 5, paddle wheel; 6, electric push rod; 7, push plate; 71, spray head; 72, support rod; 73, guide block; 74, moving groove; 75, elastic extension rod; 76, sliding groove; 8, anti-blocking mechanism; 81, fixed plate; 82, electric extension rod; 83, moving plate; 84, cutting block; 9, anti-absorption mechanism; 91, U-shaped rod; 92, hinged rod; 93, fan plate; 94, support column; 95, extension block; 10, anti-blocking mechanism; 101, connecting rod; 102, U-shaped brush; 103, U-shaped stress block; 104, impact block; 105, push block. DETAILED DESCRIPTION

[0033] The principles and characteristics of the application are described below in combination with the drawings, and the examples are only used to explain the application and are not used to limit the scope of the application.

[0034] Please refer to Figures 1 to 5 In the embodiment of the present application, a crack detection and grouting repair device for underwater concrete is provided, which comprises a support base 1, an outer shell 2 arranged on the top of the support base 1, the inner part of the outer shell 2 being hollow, a traction ring being arranged on the top of the outer shell 2; a propeller 3 arranged at the four corner positions of the outer shell 2, the propeller 3 comprising a motor shell, a spiral motor arranged in the motor shell, and a propeller blade arranged on the outer side of the motor shell and connected with the output shaft of the spiral motor, the motor shell being welded on the outer wall of the outer shell 2, so that the device can be closely attached to the object to be detected by the water flow reaction force generated by the rotation of the propeller blade, and maintained stable; a crack detection assembly 4 arranged on the support base 1, the crack detection assembly 4 comprising a mounting seat fixed on the top of the support base 1 and located in front of it, a camera one, and a searchlight, a camera two and a laser distance sensor integrated on the mounting seat respectively, the camera two being used to obtain image data of the front of the device and the surrounding during operation, and simultaneously obtain the crack position of the corresponding area, the searchlight being convenient for underwater lighting, and the laser distance sensor being used to measure the distance between the device and the detection point, so as to facilitate the subsequent crack repair; a plurality of Mecanum wheels 5 arranged on the bottom of the support base 1, the Mecanum wheels 5 adopting Mecanum wheels, which can make the device move flexibly underwater in 360°, the Mecanum wheels 5 being arranged with four groups and distributed at the four corner positions of the bottom of the support base 1, the four groups of Mecanum wheels being divided into two left-handed wheels and two right-handed wheels, the two left-handed wheels being installed at the left rear and right front of the support base 1, the other two right-handed wheels being installed at the right rear and left front of the support base 1, the four groups of Mecanum wheels 5 being controlled by four motors respectively; an electric push rod 6 arranged on the bottom of the support base 1, the electric push rod 6 being arranged with two groups respectively, the electric push rod 6 being fixed on the bottom of the support base 1 and located close to the front side, the output end of the electric push rod 6 being vertically downward; and a push plate 7 arranged on the bottom of the telescopic end of the electric push rod 6, one side of the outer shell 2 being connected with a telescopic pipe 21, the telescopic pipe 21 being located on the front side of the outer shell 2, the bottom of the push plate 7 being provided with a spray head 71, the telescopic end of the telescopic pipe 21 penetrating through the support base 1 and being connected with the spray head 71, a through hole being formed on the support base 1 for the telescopic pipe 21 to penetrate through; specifically, the camera one is integrated on the bottom of the push plate 7, which is used to further observe the crack condition and the docking condition of the spray head 71 with the crack, and record the grouting condition of the spray head 71.

[0035] In the embodiment, a micro grouting machine is arranged in the outer shell 2, the micro grouting machine being fixed on the top of the support base 1 and located in the cavity formed by the outer shell 2 and the support base 1, the outlet of the micro grouting machine being communicated with the telescopic pipe 21.

[0036] Specifically, the bottom of the push plate 7 is provided with an anti-blocking mechanism 8; the anti-blocking mechanism 8 comprises a fixed plate 81 vertically arranged on the bottom of the push plate 7 and located in front of the spray head 71, the fixed plate 81 is vertically arranged; an electric telescopic rod 82 arranged on the side of the fixed plate 81 away from the spray head 71, a moving plate 83 arranged on the telescopic end of the electric telescopic rod 82, the telescopic end of the electric telescopic rod 82 faces the front side of the support base 1; and a plurality of cutting blocks 84 vertically and spaced apart arranged on the front side of the moving plate 83, the moving plate 83 is in sliding fit with the push plate 7; wherein the bottom of the push plate 7 is provided with a moving groove 74 in sliding fit with the top of the moving plate 83, thereby realizing sliding. The moving plate 83 is pushed back and forth by the electric telescopic rod 82, thereby driving the cutting blocks 84 to cut and crush the waterweeds and flexible garbage floating in front of the equipment, the front end of the cutting block 84 is a sharp end and the two sides are provided with knife edges, which facilitates cutting of the waterweeds and flexible garbage floating in front of the equipment and reduces the probability of the waterweeds and flexible garbage covering the surface of the spray head 71.

[0037] The front end of the push plate 7 is respectively provided with a support rod 72 on both sides, the bottoms of the two support rods 72 are respectively provided with guide blocks 73, the two guide blocks 73 are in contact and form a V-shaped structure, the contact positions of the two guide blocks 73 are respectively spaced apart and provided with a plurality of slots matched with the cutting blocks 84; and the cutting blocks 84 and the slots are one-to-one corresponding. Through the arrangement of the above structure, the cut and crushed waterweeds and flexible garbage move away from the spray head 71 along the guide blocks 73, thereby avoiding the problem that the cut waterweeds and flexible garbage affect the grouting of the spray head 71.

[0038] Please refer to Figure 6 The outer wall of the telescopic end of the electric telescopic rod 82 is provided with an anti-suction mechanism 9; the anti-suction mechanism 9 comprises a U-shaped rod 91 arranged on the outer wall of the telescopic end of the electric telescopic rod 82, the two side rods of the U-shaped rod 91 are arranged on the two sides of the electric telescopic rod 82 and are parallel to the electric telescopic rod 82; a hinged rod 92 hinged to the two sides of the U-shaped rod 91, the two hinged rods 92 are respectively located on the side away from each other of the two side rods of the U-shaped rod 91; a fan plate 93 hinged to the end of the hinged rod 92 away from the U-shaped rod 91, and a support column 94 connected to the bottom of the support rod 72, the fan plate 93 and the support column 94 are in rotary fit, the fan plate 93 and the support column 94 are in rotary fit through the shaft hole fit, and the bottom end of the support column 94 is fixed with a limiting nut, the limiting nut is located below the fan plate 93.

[0039] Specifically, the outer wall of the guide block 73 is connected with the flexible block 95, and the fixed end of the flexible block 95 is arranged on the outer wall of the guide block 73, and the flexible end of the flexible block 95 is connected with the fan plate 93. In this way, the fan plate 93 can push the water to flow away from the push plate 7, so that the water can carry the cut waterweeds and flexible garbage away from the push plate 7 during the flowing process, thereby further ensuring that the cut waterweeds and flexible garbage cannot move to the direction of the spray head 71 again, and further avoiding that the cut waterweeds and flexible garbage are wound or covered on the surface of the spray head 71 again; meanwhile, the side surface of the flexible block 95 can shield and limit the cut and broken waterweeds and flexible garbage.

[0040] Please refer to Figure 7 In another embodiment of the present application, the underwater concrete crack detection and grouting repair device further comprises an anti-blocking mechanism 10 for cleaning the spray head 71.

[0041] Specifically, the anti-blocking mechanism 10 comprises a connecting rod 101 connected to the two ends of the U-shaped rod 91, i.e., the connecting rod 101 is connected to the end portions of the two side rods of the U-shaped rod 91 and extends to the direction of the spray head 71; and a U-shaped brush 102 arranged at the end portions of the two connecting rods 101 and used for cleaning the outlet of the spray head 71, the U-shaped brush 102 comprises a U-shaped fixed plate and a brush arranged on the inner side of the U-shaped fixed plate and corresponding to the spray head 71; the rod portion of the U-shaped brush 102 is in sliding fit with the bottom of the push plate 7; by arranging the sliding groove 76 with sliding fit with the rod portion of the U-shaped brush 102 on the bottom of the push plate 7, the sliding fit is realized. In this way, when the U-shaped rod 91 reciprocates, the U-shaped brush 102 is driven to move back and forth by the connecting rod 101, the U-shaped brush 102 moves and cleans the outlet of the spray head 71, thereby avoiding the problem that the outlet of the spray head 71 is blocked by the particles floating in the water during the movement, and the slurry is difficult to be sprayed out of the spray head 71.

[0042] Specifically, the bottom of the push plate 7 is provided with an elastic telescopic rod 75, and the elastic telescopic rod 75 is located at the rear side of the spray head 71; the elastic telescopic rod 75 is away from the spray head 71 and does not affect the grouting of the spray head 71, in this embodiment, the elastic telescopic rod 75 comprises an outer tube fixed vertically on the bottom of the push plate 7 and an inner rod in sliding fit with the outer tube, the inner diameter of the outer tube matches the outer diameter of the inner rod, and a spring is arranged between the inner top wall of the outer tube and the outer wall of the inner rod and located at the outer side of the inner rod.

[0043] The anti-blocking mechanism 10 further comprises a U-shaped stress block 103 arranged at the bottom of the telescopic end of the elastic telescopic rod 75 and parallel to the U-shaped brush 102, the top end of the U-shaped stress block 103 is arc-shaped; a striking block 104 arranged on the U-shaped stress block 103 and corresponding to the bottom of the U-shaped brush 102; and a pushing block 105 connected to the two sides of the U-shaped brush 102 and corresponding to the top end of the U-shaped stress block 103, the bottom of the pushing block 105 is provided with a plurality of semi-arc blocks corresponding to the top end of the U-shaped stress block 103, and the top end of the U-shaped stress block 103 is located on the moving track of the pushing block 105. In this way, the striking block 104 will strike the bottom of the U-shaped brush 102 when it is reset, causing it to vibrate, thereby increasing the probability of particles adhering to the brush floating into the water through vibration.

[0044] The crack detection and grouting repair equipment for underwater concrete provided in another embodiment of the application further comprises a controller and a host controller, the controller is located in the shell 2 and fixed on the top of the support base 1, the controller is electrically connected with the electric push rod 6, the screw motor on the propeller 3, the electric telescopic rod 82, the micro grouting machine and the camera one, the searchlight, the camera two and the laser distance sensor on the crack detection assembly 4 respectively, and is also electrically connected with the four groups of motors matched with the Mecanum wheels respectively; the controller is in communication connection with the host controller, the controller can transmit the image data acquired by the camera one and the camera two to the host controller, the host controller comprises a touch screen display and a processing and analysis module, the processing and analysis module is used for receiving the image data transmitted by the controller of the equipment and performing analysis feedback on the screen of the display, so that the operator can control the components on the equipment to perform corresponding operations according to the image situation, and remote control is realized.

[0045] The specific use process is as follows:

[0046] (1) The worker binds the traction rope on the traction ring on the top of the shell 2, then puts the equipment into the water area, remotely controls the equipment by the worker, starts the Mecanum wheel 5 and the propeller 3, the Mecanum wheel 5 can realize 360° free and flexible movement underwater, the water flow reaction force is generated by the rotation of the blade of the propeller 3, the equipment is stably and tightly attached to the underwater concrete, the whole equipment is driven to move by the Mecanum wheel 5, and the underwater concrete is detected by the crack detection assembly 4;

[0047] (2) During the movement of the equipment, the electric telescopic rod 82 is started, the telescopic end of the electric telescopic rod 82 drives the moving plate 83 to reciprocate in the limited range of the moving groove 74, and then drives all the cutting blocks 84 to move back and forth, the back and forth movement of the cutting blocks 84 can cut and crush the waterweeds and flexible garbage in front of the spray head 71, so that the probability of the waterweeds and flexible garbage covering the surface of the spray head 71 can be reduced, and the probability of the spray head 71 bringing the waterweeds and flexible garbage into the crack during the grouting process can be reduced;

[0048] The cut waterweeds and flexible garbage will move along the guide block 73 to the direction away from the nozzle 71, thus avoiding the problem that the cut waterweeds and flexible garbage affect the grouting of the nozzle 71;

[0049] (3) The telescopic end of the electric telescopic rod 82 will simultaneously drive the U-shaped rod 91 to move back and forth in the process of moving back and forth, the back-and-forth movement of the U-shaped rod 91 will drive the fan plate 93 to rotate along the outer wall of the support column 94 through the two hinged rods 92, so that the fan plate 93 performs a fanning action, the back-and-forth fanning of the fan plate 93 will drive the telescopic block 95 to telescope, when the fan plate 93 fans outwards, it will make the water flow to the direction away from the push plate 7, thus the water flow will drive the cut waterweeds and flexible garbage away from the push plate 7, thus further ensuring that the cut waterweeds and flexible garbage will not move to the direction of the nozzle 71 again, which can further avoid the cut waterweeds and flexible garbage from winding or covering on the surface of the nozzle 71 again, when the fan plate 93 fans inwards, the telescopic block 95 will shield and limit the cut waterweeds and flexible garbage;

[0050] (4) The U-shaped rod 91 will drive the connecting rod 101 to move in the process of moving, the connecting rod 101 will finally drive the U-shaped brush 102 to reciprocate along the sliding groove 76, the bristles on the U-shaped brush 102 will repeatedly clean the outlet of the nozzle 71 in the process of moving, thus avoiding the problem that the outlet of the nozzle 71 is blocked by the particles floating in the water in the process of moving, causing the grout to be difficult to be sprayed from the nozzle 71;

[0051] (5) When the U-shaped brush 102 moves, it will drive the semi-arc block on the push block 105 to move, the semi-arc block moves and contacts the top end of the U-shaped stress block 103, thus making the U-shaped stress block 103 move downwards, at this time the elastic telescopic rod 75 is stretched, the U-shaped stress block 103 moves downwards and drives the impact block 104 to move downwards, when the semi-arc block of the push block 105 does not contact the top end of the U-shaped stress block 103, at this time the telescopic end of the elastic telescopic rod 75 drives the U-shaped stress block 103 and the impact block 104 to reset, so that the resetting of the impact block 104 will impact the bottom of the U-shaped brush 102, causing it to vibrate, thus increasing the probability that the particles adhering to the bristles float into the water through vibration, reducing the probability that the particles adhering to the U-shaped brush 102 adhere to the outlet of the nozzle 71 again.

[0052] Through the setting of the anti-shielding mechanism 8, the anti-adsorption mechanism 9 and the anti-blocking mechanism 10, the waterweeds and flexible garbage on the forward route of the equipment can be cut and broken at the same time, and the cut waterweeds and flexible garbage can be further fanned to the direction away from the nozzle 71, thus effectively avoiding the waterweeds from covering on the surface of the nozzle 71, and further cleaning the outlet of the nozzle 71, finally ensuring the stable grouting of the nozzle 71.

[0053] (6) When the crack is detected, the operation master controls and makes the electric telescopic rod 82 drive the anti-shading mechanism 8, the anti-absorption mechanism 9 and the anti-blocking mechanism 10 to reset, so that the nozzle 71 is exposed, and the nozzle 71 is aligned with the crack, and then the micro grouting machine is started, the slurry is transmitted to the nozzle 71 through the telescopic pipe 21, and then the crack is grouted and repaired.

[0054] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An underwater concrete crack detection and grouting repair device, comprising a supporting base (1), a shell (2) arranged on the top of the supporting base (1), a propeller (3) arranged at the four corner positions of the shell (2), a crack detection assembly (4) arranged on the supporting base (1), a plurality of Mecanum wheels (5) arranged at the bottom of the supporting base (1), an electric push rod (6) arranged at the bottom of the supporting base (1), and a push plate (7) arranged at the bottom of the telescopic end of the electric push rod (6), one side of the shell (2) is connected with a telescopic pipe (21), the bottom of the push plate (7) is provided with a spray head (71), the telescopic end of the telescopic pipe (21) penetrates through the supporting base (1) and is connected with the spray head (71), characterized in that, The bottom of the push plate (7) is provided with an anti-blocking mechanism (8); The anti-blocking mechanism (8) comprises a fixed plate (81) vertically arranged at the bottom of the push plate (7) and located in front of the spray head (71), an electric telescopic rod (82) arranged on the side of the fixed plate (81) away from the spray head (71), a moving plate (83) arranged at the telescopic end of the electric telescopic rod (82), and a plurality of cutting blocks (84) vertically and spaced apart arranged on the front side of the moving plate (83), the moving plate (83) and the push plate (7) are in sliding fit; The front end of the push plate (7) is symmetrically provided with a support rod (72) on both sides, the bottoms of the two support rods (72) are respectively provided with guide blocks (73), the two guide blocks (73) are in contact and form a V-shaped structure, and a plurality of slots corresponding to the cutting blocks (84) are respectively and separately provided at the contact positions of the two guide blocks (73), the cutting blocks (84) and the slots are one-to-one corresponding; The telescopic end of the electric telescopic rod (82) is provided with an anti-adhesion mechanism (9); The anti-adhesion mechanism (9) comprises a U-shaped rod (91) arranged on the outer wall of the telescopic end of the electric telescopic rod (82), a hinged rod (92) respectively hinged on both sides of the U-shaped rod (91), a fan plate (93) hinged to the end of the hinged rod (92) away from the U-shaped rod (91), and a support column (94) connected to the bottom of the support rod (72), the fan plate (93) and the support column (94) are in rotary fit.

2. The crack detection and grouting repair apparatus for underwater concrete according to claim 1, characterized by, The bottom of the push plate (7) is provided with a moving groove (74) in sliding fit with the top of the moving plate (83).

3. The crack detection and grouting repair apparatus for underwater concrete according to claim 1, characterized by, The outer wall of the guide block (73) and the fan plate (93) are connected with a telescopic block (95).

4. The crack detection and grouting repair apparatus for underwater concrete according to claim 3, characterized by, The fixed end of the telescopic block (95) is arranged on the outer wall of the guide block (73), and the telescopic end of the telescopic block (95) is connected with the fan plate (93).

5. The crack detection and grouting repair apparatus for underwater concrete according to claim 1, wherein The two sides of the U-shaped rod (91) are distributed on both sides of the electric telescopic rod (82) and parallel to the electric telescopic rod (82).

6. The crack detection and grouting repair apparatus for underwater concrete according to any one of claims 1 to 5, characterized by, Further comprising an anti-blocking mechanism (10) for cleaning the spray head (71); The anti-blocking mechanism (10) comprises a connecting rod (101) connected to both ends of the U-shaped rod (91), and a U-shaped brush (102) arranged at the ends of the two connecting rods (101) and used for cleaning the outlet of the spray head (71), the rod part of the U-shaped brush (102) is in sliding fit with the bottom of the push plate (7).

7. The crack detection and grouting repair apparatus for underwater concrete according to claim 6, wherein The bottom of the push plate (7) is provided with an elastic telescopic rod (75), and the elastic telescopic rod (75) is located at the rear side of the spray head (71). The anti-blocking mechanism (10) further comprises a U-shaped stress block (103) arranged at the bottom of the telescopic end of the elastic telescopic rod (75) and parallel to the U-shaped brush (102), a striking block (104) arranged on the U-shaped stress block (103) and corresponding to the bottom of the U-shaped brush (102), and a pushing block (105) connected to the two sides of the U-shaped brush (102) respectively and corresponding to the top end of the U-shaped stress block (103), wherein the top end of the U-shaped stress block (103) is arc-shaped, and the bottom of the pushing block (105) is provided with a plurality of semi-arc blocks corresponding to the top end of the U-shaped stress block (103) at intervals.

8. The crack detection and grouting repair apparatus for underwater concrete according to claim 6, wherein The bottom of the pushing plate (7) is provided with a sliding groove (76) in sliding fit with the rod part of the U-shaped brush (102).

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