A corrosion reinforced concrete structure performance detector

Abstract

The present application relates to the field of concrete detection, especially to a kind of corroded reinforced concrete structure performance detector, including walking car, electric push rod one and connecting block etc.;Walking car is connected with several electric push rod one;All electric push rod one is the output end common fixed connection with connecting block.The present application realizes through installation box isolation water flow, so that in the detection process, the bridge pier cap surface covered by installation box is in no flowing water contact state, and detection equipment is located in installation box, avoid the scouring of water flow in prior art to influence detection equipment to detect, simultaneously without human being underwater, guarantee personal safety, through sampling assembly in the waterless space formed by installation box to the concrete of bridge pier cap surface, avoid water flow to wash away sample, through water pump control installation box lower chamber water storage capacity, and then change installation box deadweight, facilitate installation box to sink and float.

Description

Technical Field

[0001] This invention relates to the field of concrete testing, and more particularly to a tester for the structural performance of corroded reinforced concrete. Background Technology

[0002] Load-bearing columns are the core support structure of bridges, buildings, and other structures. They are typically constructed with steel reinforcement and reinforced concrete. Bridge and building load-bearing columns usually consist of uprights and a foundation at the base. The uprights support the bridge deck and the building, while the foundation, located in the water, increases the stability of the uprights. However, the foundation is constantly submerged in water, making its surface susceptible to erosion and exposing the internal steel reinforcement structure. When the steel reinforcement loses its concrete covering and is submerged in water, it will corrode. Corrosion reduces the strength of the steel reinforcement, affecting the overall stability of the concrete foundation. Currently, it is necessary to periodically inspect the underwater foundation to observe for cracks, defects, exposed steel reinforcement, and other defects to determine if there are any potential problems. Existing technologies include: 1) using underwater robots equipped with cameras to explore the underwater portion of the foundation; however, the rapid currents in rivers make these robots susceptible to water flow, resulting in unclear images; 2) using human diving equipment to inspect the underwater portion; however, the underwater environment is complex, human observation is ineffective, and human diving is also affected by rapid currents, posing a safety risk.

[0003] In addition, the test data obtained by observation alone is limited. It is necessary to collect concrete surface samples and test their properties such as density and durability in order to determine the extent to which the concrete's own properties are affected by the current environment. However, when sampling underwater concrete, the water flow can easily wash away the concrete surface during the collection process. Summary of the Invention

[0004] To overcome the shortcomings of existing underwater robots and human diving inspection methods, which are easily affected by water flow, resulting in poor observation results and incomplete detection, this invention provides a performance testing instrument for rusted reinforced concrete structures.

[0005] The technical solution of this invention is: a performance testing instrument for rusted reinforced concrete structures, comprising a traveling vehicle and an electric push rod; a limiting component for restricting its movement is fixedly connected to the traveling vehicle; several electric push rods are connected to the traveling vehicle; it also includes a connecting block, a sliding block, a connecting rod, a mounting box, a rubber ring, a spring telescopic rod, a cleaning ball, a water pump, a wireless camera, and a sampling component; the output ends of all the electric push rods are fixedly connected to a connecting block; a sliding block is damped and slidably connected to the connecting block; a connecting rod is vertically slidably connected to the sliding block; several limiting holes are opened on the connecting rod; pins adapted to the limiting holes are inserted into the connecting rod; a mounting box is screwed to the bottom of the connecting rod; the mounting box has an opening on the side facing the traveling vehicle; installation... The box has a pair of slidable sealing doors for closing its planar openings; a slide rail is fixed inside the box; two electric sliders are slidably connected to the slide rail; each electric slider is fixed to a corresponding sealing door; a partition plate is fixed inside the box, dividing it into upper and lower chambers; a rubber ring is fixed to the edge of the side where the box's planar surface is located; two spring telescopic rods are fixed to the top and bottom of the box, with the telescopic ends of the spring telescopic rods facing the vehicle; a cleaning ball is fixed to the telescopic end of each spring telescopic rod; a water pump is installed in the lower chamber of the box; a wireless camera for viewing the surface of the bridge pier abutment is installed in both the upper and lower chambers of the box; a sampling component for sampling the surface of the bridge pier abutment is installed in the upper chamber of the box.

[0006] Preferably, the limiting assembly includes limiting posts, elastic elements, and pressure plates; several limiting posts are slidably connected on the traveling vehicle; the pressure plates are fixedly connected to the top of all the limiting posts; elastic elements are sleeved on the outside of the limiting posts; the two ends of the elastic elements are respectively connected to the traveling vehicle and the pressure plates.

[0007] Preferably, the sampling assembly includes a mounting plate, a motor, a first spur gear, a toothed belt, a grinding roller, a second spur gear, and a collection box. An electric push rod is installed in the upper chamber of the mounting box. Two guide rods are installed in the upper chamber of the mounting box. The mounting plate is slidably connected to both guide rods. The mounting plate is fixedly connected to the telescopic end of the second electric push rod. A motor is fixedly connected to the mounting plate. The output shaft of the motor is fixedly connected to the first spur gear. A grinding roller is rotatably connected to the mounting plate via a mounting bracket. The second spur gear is fixedly connected to the grinding roller. A toothed belt is connected to both the first and second spur gears, and both the first and second spur gears mesh with the toothed belt. A collection box is installed at the bottom of the mounting plate. An inclined collection plate is provided at the inlet of the collection box, and the collection plate is located directly below the grinding roller.

[0008] Preferably, the end of the mounting box furthest from the vehicle is tapered.

[0009] Preferably, the collection plate at the inlet of the collection box is made of rubber.

[0010] Preferably, the bottom surface of the limiting post is roughened.

[0011] Preferably, the connecting rod has a thread at the top and a threaded sleeve at the bottom.

[0012] As a preferred option, the two sealing doors are designed to fit together on opposite sides.

[0013] Preferably, a conical block is also included; the conical block is fixed to the bottom of the mounting box.

[0014] Preferably, a guide plate is also included; each sealed door has a guide plate connected to the side facing outward from the mounting box via a mounting rod; the guide plate is inclined.

[0015] The beneficial effects of the present invention are as follows: The present invention achieves water flow isolation by using the mounting box, so that the surface of the bridge pier abutment covered by the mounting box is in a state of no contact with flowing water during the testing process, while the testing equipment is located inside the mounting box. This avoids the impact of water flow on the testing equipment in the prior art, and at the same time, it eliminates the need for people to go into the water, ensuring personal safety.

[0016] The sampling component samples the concrete on the surface of the pier cap within the waterless space formed by the mounting box, thus preventing the water flow from washing away the sample.

[0017] The water level in the lower chamber of the installation box is controlled by a water pump, thereby changing the weight of the installation box and facilitating its sinking and floating.

[0018] The conical blocks push away debris in the sinking path of the mounting box, preventing debris from blocking the bottom of the mounting box and affecting the sinking of the invention into the water;

[0019] When this invention is used on the left or right side of the bridge pier foundation, the guide plate guides the water flow away from the bridge pier foundation, reducing the scouring force of the water flow on the mounting box and preventing the invention from becoming unstable due to water scouring. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention placed on the bridge pier abutment;

[0021] Figure 2 This is a three-dimensional structural schematic diagram of the performance testing instrument for corroded reinforced concrete structures according to the present invention;

[0022] Figure 3 This is a side view of the invention placed on the bridge pier foundation;

[0023] Figure 4 This is a side view of the combination of the walking vehicle, electric push rod, connecting block, sliding block, connecting rod and mounting box of the present invention, wherein the mounting box is cut open;

[0024] Figure 5 This is a three-dimensional structural diagram of the vehicle of the present invention;

[0025] Figure 6 This is a three-dimensional structural diagram of the pressure plate in the pressed-down state of the present invention;

[0026] Figure 7 This is a first perspective three-dimensional structural diagram of the combination of connecting block, sliding block, connecting rod, mounting box, rubber ring, spring telescopic rod and cleaning ball of the present invention;

[0027] Figure 8 This is a two-dimensional structural diagram of the connecting block, sliding block, connecting rod, mounting box, rubber ring, spring telescopic rod, and cleaning ball assembly of the present invention from a second perspective.

[0028] Figure 9 This is a three-dimensional structural diagram of the connecting block, sliding block, connecting rod, mounting box, and rubber ring assembly of the present invention, with the mounting box cut open.

[0029] Figure 10 This is a three-dimensional structural diagram of the sealed door in the open state of the present invention;

[0030] Figure 11 This is a top view of the sealing door, slide rail, and electric slider assembly of the present invention;

[0031] Figure 12 This is a top view of the sealed door of the present invention in the open state;

[0032] Figure 13 This is a three-dimensional structural diagram of the sampling component of the present invention;

[0033] Figure 14 This is a top view of the mounting box, rubber ring, and guide plate assembly of the present invention;

[0034] Figure 15 This is a top view of the assembly of the mounting box, sealing door, rubber ring, and guide plate of the present invention;

[0035] Figure 16 This is a three-dimensional structural diagram of the assembly of the mounting box, sealing door, rubber ring and guide plate of the present invention.

[0036] Explanation of reference numerals in the attached drawings: 1-Traveling vehicle, 1001-Limiting post, 1002-Elastic element, 1003-Pressure plate, 2-Electric push rod one, 3-Connecting block, 4-Sliding block, 5-Connecting rod, 51-Limiting hole, 52-Pin, 6-Mounting box, 61-Sealing door, 62-Slide rail, 63-Electric slider, 64-Divider plate, 65-Guide rod, 7-Rubber ring, 8-Spring telescopic rod, 9-Cleaning ball, 10-Water pump, 11-Electric push rod two, 12-Wireless camera, 201-Mounting plate, 202-Motor, 203-Side gear one, 204-Gear belt, 205-Grinding roller, 206-Side gear two, 207-Collection box, 301-Conical block, 401-Guide plate, 1111-Pier abutment. Detailed Implementation

[0037] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0038] Example 1: As Figures 1-13 As shown, a performance testing instrument for rusted reinforced concrete structures includes a traveling vehicle 1 and an electric push rod 2; a limit assembly is bolted to the traveling vehicle 1; and two electric push rods 2 are connected to the traveling vehicle 1.

[0039] It also includes a connecting block 3, a sliding block 4, a connecting rod 5, a mounting box 6, a rubber ring 7, a spring telescopic rod 8, a cleaning ball 9, a water pump 10, a wireless camera 12, and a sampling component; the output ends of all electric push rods 2 are fixedly connected to the connecting block 3; a sliding block 4 is damped and slidably connected to the connecting block 3; a connecting rod 5 is vertically slidably connected to the sliding block 4; the connecting rod 5 has several linearly equidistant arrayed limiting holes 51; a pin 52 that matches the limiting holes 51 is inserted into the connecting rod 5; the mounting box 6 is screwed to the bottom of the connecting rod 5; the mounting box 6 has an opening on the side facing the traveling vehicle 1; a pair of sealing doors 61 are slidably connected to the mounting box 6; a slide rail is fixedly connected to the upper part of the mounting box 6. 62; Two electric sliders 63 are slidably connected to the slide rail 62; Each electric slider 63 is fixedly connected to the corresponding sealing door 61; A partition plate 64 is welded in the middle of the mounting box 6 to divide it into upper and lower chambers; A rubber ring 7 is fixedly connected to the edge of the mounting box 6 on the side where the plane is located; Two symmetrically arranged spring telescopic rods 8 are welded to the top and bottom of the mounting box 6, and the telescopic ends of the spring telescopic rods 8 face the traveling vehicle 1; A cleaning ball 9 is welded to the telescopic end of each spring telescopic rod 8, and the surface of the cleaning ball 9 is provided with a frosted layer; A water pump 10 is installed in the lower chamber of the mounting box 6; A wireless camera 12 is installed in both the upper and lower chambers of the mounting box 6; A sampling component is installed in the upper chamber of the mounting box 6.

[0040] The limiting assembly includes a limiting post 1001, an elastic element 1002, and a pressure plate 1003; four limiting posts 1001 are slidably connected on the traveling vehicle 1; the pressure plate 1003 is fixedly connected to the top of all the limiting posts 1001; an elastic element 1002 is sleeved on the outside of the limiting post 1001; the two ends of the elastic element 1002 are respectively connected to the traveling vehicle 1 and the pressure plate 1003, and the elastic element 1002 is a spring.

[0041] The sampling assembly includes a mounting plate 201, a motor 202, a first spur gear 203, a toothed belt 204, a grinding roller 205, a second spur gear 206, and a collection box 207; an electric push rod 202 is installed in the upper chamber of the mounting box 207; two symmetrically arranged guide rods 65 are installed in the upper chamber of the mounting box 207; the mounting plate 201 is slidably connected to the two guide rods 65; the mounting plate 201 is fixedly connected to the telescopic end of the electric push rod 202; a motor 202 is bolted to the mounting plate 201; the motor 202... 2. A first spur gear 203 is fixedly connected to the output shaft; a grinding roller 205 is rotatably connected to the mounting plate 201 via a mounting bracket; a second spur gear 206 is fixedly connected to the grinding roller 205; the first spur gear 203 and the second spur gear 206 are connected together to a toothed belt 204, and both the first spur gear 203 and the second spur gear 206 mesh with the toothed belt 204; a collection box 207 is installed at the bottom of the mounting plate 201; an inclined collection plate is provided at the inlet of the collection box 207, and the collection plate is located directly below the grinding roller 205.

[0042] The mounting box 6 is tapered at the end away from the vehicle 1. The tapered surface can guide the water flow to both sides and reduce the impact force of the water flow.

[0043] The collection plate at the entrance of collection box 207 is made of rubber, which helps to fit the surface of the pier cap 1111.

[0044] The bottom surface of the limit post 1001 is roughened to increase the friction when in contact with the ground and keep the traveling vehicle 1 stable.

[0045] The connecting rod 5 has a threaded top and a threaded sleeve at the bottom, so that multiple connecting rods 5 can be combined to extend the overall length, making the invention adaptable to different water depths.

[0046] The two sealed doors 61 are designed to fit together on opposite sides to ensure a tight seal and waterproof effect.

[0047] Existing methods for inspecting underwater components of concrete bridge piers using underwater robots are susceptible to water flow fluctuations, resulting in unclear images. While human inspection with diving equipment is possible due to the complex underwater environment and poor visual observation, human diving is also affected by turbulent currents, compromising personal safety. Therefore, this invention provides a performance testing instrument for rusted reinforced concrete structures.

[0048] Taking the detection of the water-facing surface of the bridge pier cap 1111 as an example, the scouring force of the water flow is at its maximum at this time. Figure 1 Using the orientation reference, the direction of the mounting box 6 is the front side, i.e., the water-facing side of the pier foundation 1111, and the direction of the traveling vehicle 1 is the rear side. It should be noted that during testing, the upper surface of the pier foundation 1111 must be above the water level. During testing, the user carries the invention onto the pier foundation 1111. The interior of the mounting box 6 is divided into upper and lower chambers by a partition plate 64. The user places a battery in the upper chamber of the mounting box 6 to power the electric components. Then... Figure 3 As shown, the traveling vehicle 1 is positioned close to the edge of the water-facing surface of the pier foundation 1111. The traveling vehicle 1 and the mounting box 6 are combined at a right angle. The rear side of the mounting box 6 is close to the water-facing surface of the pier foundation 1111. In the initial state, the two sealing doors 61 are closed, sealing the inside of the mounting box 6. Then, the user places a heavy object on the pressure plate 1003. The pressure plate 1003 is pressed, pushing the limiting post 1001 downward and compressing the corresponding elastic element 1002. The bottom of the limiting post 1001 will contact the upper surface of the pier foundation 1111, thereby limiting the traveling vehicle 1 and preventing it from moving, thus maintaining the stability of the invention during the testing process.

[0049] The user then removes the pin 52 from the connecting rod 5 and lowers the connecting rod 5 to submerge the mounting box 6 in the water. The length of each connecting rod 5 is set to one meter. The mounting box 6 will first sink to the water level near the surface. Then, the pin 52 is inserted into the limiting hole 51 on the connecting rod 5 closest to the sliding block 4. The pin 52 then contacts the upper surface of the sliding block 4, limiting the current height of the connecting rod 5 and the mounting box 6. The user then controls the electric push rod 2 to retract, causing the connecting block 3, sliding block 4, and connecting rod 5 to move. The mounting box 6 moves towards the pier cap 1111, bringing its rear side closer to the water-facing side of the pier cap 1111. The rubber ring 7 will then contact the water-facing side of the pier cap 1111. The electric push rod 2 retracts, causing the mounting box 6 to compress the rubber ring 7, forming a seal against the water-facing side of the pier cap 1111, preventing external water from entering the rubber ring 7. The user then controls the electric slider 63 to slide along the slide rail 62, causing the two sealing doors 61 to move away from each other, thus opening the mounting box 6 and allowing the pier cap 1111 to open. 1. The water-facing surface is connected to the interior of the mounting box 6. At this time, there is a small amount of water in the space between the pier foundation 1111 and the mounting box 6, which was originally inside the rubber ring 7. This water will enter the mounting box 6 as the sealing door 61 is opened. Due to gravity, most of the water flows downward into the lower chamber of the mounting box 6, while a small amount of water entering the upper chamber will also flow from the upper chamber into the lower chamber under the guidance of the inclined partition plate 64. Then, the user controls the water pump 10 to work and pump the water in the lower chamber into the water flow outside the mounting box 6. At this time, the water-facing surface of the pier foundation 1111 covered by the mounting box 6 is in a state of not contacting the external flowing water. The user can observe the water-facing surface through the wireless camera 12 to check its erosion by the water flow. Because the flowing water outside the mounting box 6 is isolated by it and there is no water flow inside the mounting box 6, the condition of the water-facing surface of the pier foundation 1111 can be clearly viewed through the wireless camera 12. The observation will not be affected by the impact of the flowing water, and the view will not be affected by the flowing turbid water, thus ensuring the test results.

[0050] When sampling is required, the electric push rod 21 extends, pushing the mounting plate 201 and the parts connected to it to slide on the guide rod 65, causing the grinding roller 205 to approach and contact the water-facing surface of the pier foundation 1111. Simultaneously, the collection plate at the inlet of the collection box 207 also contacts the water-facing surface. Then, the motor 202 is activated, driving the first spur gear 203 to rotate. The first spur gear 203 drives the second spur gear 206 to rotate via the toothed belt 204. The second spur gear 206 drives the grinding roller 205 to rotate, grinding the water-facing surface and causing the concrete layer to detach. The detached concrete falls downwards, enters the collection box 207 through the collection plate, and is collected for subsequent sample testing. Therefore, the sampling process takes place in a waterless environment, which can prevent water from washing away the sample. After sampling, the electric push rod 11 is controlled to retract, which drives the mounting plate 201 and its parts to reset. Then, the electric slider 63 is controlled to drive the sealing door 61 to close, re-sealing the mounting box 6. Then, the mounting box 6 is lifted from the water by the connecting rod 5, ending the test. If it is necessary to test other locations, the user releases the pressure on the pressure plate 1003, the elastic element 1002 extends, and pushes the pressure plate 1003 to move the limiting post 1001 upward. The limiting post 1001 disengages from the upper surface of the pier abutment 1111, releasing the limitation on the traveling vehicle 1. The user can then move the invention to other testing areas by moving the traveling vehicle 1.

[0051] The water-facing surface of the bridge pier cap 1111 may have slight unevenness due to prolonged water erosion, and the reinforcing steel bars encased in concrete may even be exposed. This can prevent the rubber ring 7 from achieving a complete seal when it is applied to the water-facing surface of the bridge pier cap 1111, resulting in water leakage. Therefore, during the testing process, the water pump 10 is continuously operating, continuously discharging the water that seeps into the lower chamber of the mounting box 6 through the rubber ring 7. Simultaneously, the user observes the amount of water seeping into the lower chamber of the mounting box 6 via the wireless camera 12 to monitor the power of the water pump 10. Adaptive adjustments are made to ensure timely drainage of water from the lower chamber of the mounting box 6. It should be noted that although there is some water seepage when the rubber ring 7 is sealed to the water-facing surface of the pier abutment 1111, the amount of seepage is small. At the same time, the water pump 10 is in a continuous drainage state, so the interior of the mounting box 6 will not be filled with seeping water. Compared with underwater robots or personnel diving in flowing water for observation and inspection, which are easily affected by water flow disturbance and turbid water flow affecting the line of sight, the wireless camera 12 of this invention is not located in flowing water and is not affected by it, so it can obtain excellent observation results.

[0052] Furthermore, the water-facing surface of the bridge pier cap 1111 will contain loose concrete blocks and attached moss, aquatic plants, and other debris, making the surface of the bridge pier cap 1111 even more uneven. This exacerbates the water seepage problem caused by the loose fit of the rubber ring 7. Therefore, during the downward movement of the mounting box 6, the rear side of the rubber ring 7 does not initially contact the water-facing surface of the bridge pier cap 1111, while the spring telescopic rod 8 is in the extended state, forcing the cleaning ball 9 to contact the water-facing surface of the bridge pier cap 1111. Consequently, when the mounting box 6 moves downward... When the cleaning ball 9 and the two vertical edges of the rubber ring 7 are aligned, the lower cleaning ball 9 moves downward and contacts the water-facing surface of the pier abutment 1111, thereby cleaning and scraping away debris on the corresponding downward path of the cleaning ball 9 on the water-facing surface. At this time, the two vertical edges of the rubber ring 7 correspond to the vertical cleaning path of the cleaning ball 9. After the mounting box 6 moves down to the detection position, the user first uses the connecting rod 5 to drive the mounting box 6 to continue moving down by the height of a limit hole 51, and then uses the pin 52 to limit the connection rod 5 and the mounting box 7. At the current height of box 6, hold the connecting rod 5 and move the sliding block 4 left and right on the connecting block 3. The connecting rod 5 moves the mounting box 6 left and right. At this time, the two cleaning balls 9 on the upper side of the mounting box 6 contact the water-facing surface of the pier foundation 1111, and will clean the water-facing surface with a transverse path corresponding to the upper horizontal edge of the rubber ring 7. Then, the user lifts the connecting rod 5 and the mounting box 6, so that the connecting rod 5 rises two limit holes 51 and locks the current position. Then, move the mounting box 6 left and right by the connecting rod 5, so that the two cleaning balls 9 on the lower side clean the water-facing surface of the pier foundation 1111 with a transverse path corresponding to the lower horizontal edge of the rubber ring 7. Then, the user moves the connecting rod 5 down one limit hole 51 and locks it. At this time, the upper and lower horizontal edges of the rubber ring 7 are aligned with the two transverse paths respectively. When the rubber ring 7 is pressed against the water-facing surface of the pier foundation 1111, all four sides are in the cleaning path, which improves the sealing fit of the rubber ring 7 and reduces water leakage.

[0053] It should be noted that when using this invention, the user can observe the water-facing surface of the bridge pier foundation 1111 in advance through the transparent sealing door 61 using the wireless camera 12. If a deep pit appears on the water-facing surface, other areas should be selected for testing and sampling to avoid the rubber ring 7 failing to form a seal.

[0054] To inspect the surface condition of the pier abutment 1111 at different depths, another connecting rod 5 can be connected to the threaded part of the connecting rod 5. The number of connecting rods 5 added can be selected according to the required depth, thereby extending the connecting rod 5 as a whole, so that the mounting box 6 can continue to go deeper. After the previous inspection is completed, the electric slider 63 is controlled to drive the two sealing doors 61 to move closer together and reseal the mounting box 6. Then, the electric push rod 2 is controlled to extend, so that the rubber ring 7 is disengaged from the surface of the pier abutment 1111. This prevents the rubber ring 7 from being damaged by friction with the surface of the pier abutment 1111 when it moves up and down, which would affect the sealing effect. Then, the mounting box 6 can be moved down by the extended connecting rod 5 to inspect and sample the deeper surface of the pier abutment 1111.

[0055] As the installation box 6 sinks deeper into the water, the buoyancy from the water flow increases, making it more difficult for the installation box 6 to descend. If a counterweight is added to the installation box 6 to facilitate sinking, the counterweight, combined with water resistance, would make it difficult to lift the installation box 6 from the water. Furthermore, adding a counterweight would increase the overall weight of the invention, making it less portable. Therefore, the installation box 6 is made of lightweight, pressure-resistant acrylic material. During the previous test, the user observed through the wireless camera 12 inside the lower chamber of the installation box 6 that if the water entering the lower chamber did not completely fill it, it was unnecessary to use the water pump 10 to remove the water. All the water is discharged, thereby increasing the weight of the mounting box 6, making it easier for the mounting box 6 to sink. As the mounting box 6 sinks into deeper water, the water pump 10 is controlled to increase the amount of water filling the lower chamber of the mounting box 6, which in turn increases the weight of the mounting box 6, making it more conducive to the mounting box 6 sinking deeper into the water. After the test is completed, the water pump 10 is controlled to discharge all the water from the lower chamber. At this time, the entire interior of the mounting box 6 is in a state of air pressure. Due to the drainage, the original air inside the mounting box 6 is also discharged, which increases the air pressure inside the mounting box 6. The mounting box 6 located in the water will have greater buoyancy, which is more conducive to floating and saves the user the effort of lifting the mounting box 6 with the connecting rod 5.

[0056] In addition, when using this invention to inspect the reinforced concrete structure of the load-bearing columns of a house in water, a suitable blank space around the load-bearing column to be inspected is selected, the traveling vehicle 1 is placed, and then the electric push rod 2 and the connecting rod 5 are adjusted to place the mounting box 6 against the corresponding required inspection surface of the load-bearing column for inspection. If there is no suitable blank space to place the traveling vehicle 1, the user can place the traveling vehicle 1 of this invention on the boat by driving the boat, and rotate the connecting rod 5 to drive the mounting box 6 to rotate, so that the opening surface of the mounting box 6 (the surface closed by the sealing door 61) is aligned with the inspection surface of the load-bearing column, and then the mounting box 6 is placed against the inspection surface of the load-bearing column for inspection.

[0057] Example 2: Based on Example 1, such as Figures 2-4 andFigures 7-10 As shown, it also includes a conical block 301; the bottom of the mounting box 6 is welded with a conical block 301.

[0058] Debris such as tree branches and plastic bottles usually float in water and tend to accumulate on the water-facing side of the pier abutment 1111 as it moves with the water flow. This invention detects debris on the water-facing side of the pier abutment 1111. When the device is submerged in water, the bottom touches the floating debris such as tree branches and plastic bottles. The buoyancy of the debris in the water will hinder the downward movement of the device and affect its use. Therefore, a conical block 301 is provided at the bottom of the mounting box 6. When the device moves downward, the conical block 301 will push the debris, guiding it to the left or right, away from the mounting box 6, and being carried away by the water flow to the left or right, thus preventing the debris from blocking the bottom of the mounting box 6 and affecting the device's sinking into the water. Example

[0059] Based on Examples 1 and 2, such as Figure 1 , Figure 2 and Figures 14-16 As shown, it also includes a guide plate 401; each sealing door 61 has a guide plate 401 connected to the side facing outward from the mounting box 6 via a mounting rod; the guide plate 401 is inclined.

[0060] When this invention is used on the left or right side of the pier foundation 1111, the water flow will wash over the left or right side of the mounting box 6, which may cause instability due to water erosion during use and affect the testing process. Therefore, each sealing door 61 is connected to a guide plate 401 on the side facing outward from the mounting box 6 via a mounting rod. When this invention is used on the left or right side of the pier foundation 1111, the water flow will wash over the corresponding inclined guide plate 401, which is guided away from the pier foundation 1111 by the guide plate 401, reducing the scouring force of the water flow on the mounting box 6 and preventing instability caused by water erosion. At the same time, when the sealing door 61 is opened, it will extend to the left and right sides of the mounting box 6. The guide plate 401 facing the water flow scouring surface reduces the scouring force of the water flow, which helps the sealing door 61 to open and extend out of the mounting box 6.

[0061] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A performance testing instrument for rusted reinforced concrete structures, comprising a traveling vehicle (1) and an electric push rod (2); a limiting component for restricting its movement is fixedly connected to the traveling vehicle (1); a plurality of electric push rods (2) are connected to the traveling vehicle (1); characterized in that: It also includes a connecting block (3), a sliding block (4), a connecting rod (5), a mounting box (6), a rubber ring (7), a spring telescopic rod (8), a cleaning ball (9), a water pump (10), a wireless camera (12), and a sampling component; the output ends of all electric push rods (2) are fixedly connected to the connecting block (3); the connecting block (3) is damped and slidably connected to the sliding block (4); the sliding block (4) is vertically slidably connected to the connecting rod (5); the connecting rod (5) has several limiting holes (51); the connecting rod (5) is inserted with a pin (52) that matches the limiting holes (51); the bottom of the connecting rod (5) is screwed to the mounting box (6); the mounting box (6) has an opening on the side facing the vehicle (1); the mounting box (6) is slidably connected to a pair of sealing doors for closing its planar opening. (61); a slide rail (62) is fixed inside the mounting box (6); two electric sliders (63) are slidably connected on the slide rail (62); each electric slider (63) is fixedly connected to the corresponding sealing door (61); a partition plate (64) is fixedly connected inside the mounting box (6) to divide it into upper and lower chambers; a rubber ring (7) is fixedly connected to the edge of the mounting box (6) on the side where the plane is located; two spring telescopic rods (8) are fixedly connected to the top and bottom of the mounting box (6), and the telescopic ends of the spring telescopic rods (8) face the vehicle (1); a cleaning ball (9) is fixedly connected to the telescopic end of each spring telescopic rod (8); a water pump (10) is installed in the lower chamber of the mounting box (6); a wireless camera (12) is installed in the upper chamber and the lower chamber of the mounting box (6); a sampling component is installed in the upper chamber of the mounting box (6); The limiting assembly includes a limiting post (1001), an elastic element (1002), and a pressure plate (1003); several limiting posts (1001) are slidably connected on the traveling vehicle (1); the pressure plate (1003) is fixedly connected to the top of all the limiting posts (1001); the elastic element (1002) is sleeved on the outside of the limiting post (1001); the two ends of the elastic element (1002) are respectively connected to the traveling vehicle (1) and the pressure plate (1003); The sampling assembly includes a mounting plate (201), a motor (202), a first spur gear (203), a toothed belt (204), a grinding roller (205), a second spur gear (206), and a collection box (207); an electric push rod (11) is installed in the upper chamber of the mounting box (6); two guide rods (65) are installed in the upper chamber of the mounting box (6); the mounting plate (201) is slidably connected to the two guide rods (65); the mounting plate (201) is fixedly connected to the telescopic end of the electric push rod (11); a motor (202) is fixedly connected to the mounting plate (201); the motor (202) The output shaft is fixedly connected to a first spur gear (203); a grinding roller (205) is rotatably connected to the mounting plate (201) via a mounting bracket; a second spur gear (206) is fixedly connected to the grinding roller (205); the first spur gear (203) and the second spur gear (206) are connected together to a toothed belt (204), and the first spur gear (203) and the second spur gear (206) are both meshed with the toothed belt (204); a collection box (207) is installed at the bottom of the mounting plate (201); an inclined collection plate is provided at the inlet of the collection box (207), and the collection plate is located directly below the grinding roller (205).

2. The corrosion-resistant reinforced concrete structure performance testing instrument according to claim 1, characterized in that: The mounting box (6) is tapered at one end away from the vehicle (1).

3. The corrosion-resistant reinforced concrete structure performance testing instrument according to claim 1, characterized in that: The collection plate at the entrance of the collection box (207) is made of rubber.

4. The performance testing instrument for corroded reinforced concrete structures according to claim 1, characterized in that: The bottom surface of the limiting post (1001) is roughened.

5. The performance testing instrument for corroded reinforced concrete structures according to claim 1, characterized in that: The connecting rod (5) has a threaded top and a threaded sleeve at the bottom.

6. The performance testing instrument for corroded reinforced concrete structures according to claim 1, characterized in that: The two sealed doors (61) are designed to fit together on opposite sides.

7. The corrosion-resistant reinforced concrete structure performance testing instrument according to claim 2, characterized in that: It also includes a conical block (301); the bottom of the mounting box (6) is fixed with a conical block (301).

8. The performance testing instrument for corroded reinforced concrete structures according to claim 6, characterized in that: It also includes a guide plate (401); each sealing door (61) has a guide plate (401) connected to the side facing outward from the mounting box (6) by a mounting rod; the guide plate (401) is set at an angle.

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