A structure parameter detection device for a concrete beam
By combining a water supply tank and an air pump, and using high-pressure gas to expel water flow, along with a distance sensor, the problems of low detection accuracy and complex operation of concrete tie beams have been solved, achieving efficient and accurate crack detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- LIANYUNGANG HARBOR ENG CO
- Filing Date
- 2026-01-23
- Publication Date
- 2026-06-05
Smart Images
Figure CN122150079A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of concrete tie beam testing devices, and in particular to a structural parameter testing device for concrete tie beams. Background Technology
[0002] As a key load-bearing component in building structures such as bridges and factories, concrete tie beams have structural parameters such as surface cracks and flatness that directly affect the overall structural stability and safety. Therefore, regular inspection and maintenance are necessary.
[0003] Existing concrete tie beam inspection technologies mostly employ manual observation and intelligent sensor detection, which have many shortcomings. Manual observation relies on the experience of the inspectors, is inefficient, and is prone to missing minor defects. It also poses high safety risks when inspecting hidden parts such as the bottom and side walls of the tie beam. Intelligent sensor detection usually uses ultrasonic detection equipment, which is complex to operate and has stringent requirements for the inspection environment.
[0004] Patent application number 202411929972.9 discloses a novel surface inspection device and method for tie beam piers. The device includes a climbing section fitted onto the outer side of the tie beam pier, slidably connected to the outer wall of the tie beam pier. The climbing section is equipped with a fluid propulsion module and an image acquisition module to move the climbing section along the vertical direction of the tie beam pier, and is used to acquire image information of the tie beam pier. A detection section is located at one end of the climbing section and slidably connected to it, used to inspect the concrete quality of the tie beam pier. However, this patent is only suitable for surface inspection of concrete components in environments with sufficient working space, and cannot effectively and accurately detect cracks on the surface of concrete components, such as tie beams. The operation is complex and inefficient.
[0005] Regarding the aforementioned technologies, the inventors believe that they suffer from drawbacks such as low accuracy in detecting concrete tie beams and complex operation of the testing equipment. Summary of the Invention
[0006] To address the aforementioned technical problems, this application provides a device for detecting the structural parameters of concrete tie beams.
[0007] This application provides a structural parameter detection device for concrete tie beams, which adopts the following technical solution: A structural parameter detection device for a concrete tie beam includes a mounting frame sleeved on the tie beam, an air pump and a water tank mounted on top of the mounting frame; a sealing gasket is laid on the inner side of the mounting frame; a working groove is formed on the inner side of the sealing gasket; a diaphragm is placed in the working groove; the diaphragm is in contact with the sealing gasket; a working cavity is formed between the diaphragm and the bottom and side walls of the tie beam; a water outlet is located at the bottom of the water tank; the water outlet communicates with the working cavity; an opening and closing rod is slidably mounted at the water outlet; a through hole is formed on the opening and closing rod; after the opening and closing rod slides, the through hole is aligned with or misaligned with the water outlet; an air inlet is formed on the sealing gasket; the air outlet of the air pump communicates with the air inlet; and a distance sensor is installed inside the water tank.
[0008] By adopting the above technical solution, a water supply tank is used to inject detection water into the working chamber, which fills the cracks and pits on the side wall of the tie beam. Then, a high-pressure gas pump is used to inject high-pressure gas between the sealing gasket and the diaphragm, forcing the water in the working chamber back into the water supply tank. The diaphragm adheres tightly to the inner wall of the pit, squeezing out the detection water from the pit, while water in the cracks cannot be squeezed out. A distance sensor is installed in the water supply tank, which can identify the water level in the tank after water is injected and after water is drained from the working chamber. If there is a difference in water level, it indicates that there are cracks on the tie beam. Furthermore, by calculating the amount of water reduced in the water supply tank, the total size of the cracks on the tie beam surface can be accurately determined. The detection of cracks on the tie beam surface can be achieved simply by supplying water from the water supply tank and air from the air pump, making the operation simple and improving work efficiency.
[0009] Preferably, the mounting frame includes a first frame and a second frame; the bottom ends of the first frame and the second frame are rotatably connected; the top ends of the first frame and the second frame are connected by a connecting unit.
[0010] By adopting the above technical solution, the bottoms of the first frame and the second frame are rotatably connected. When installing the mounting frame, the first frame and the second frame are opened and placed under the tie beam. Then, the first frame and the second frame are fastened together to wrap the tie beam. The operation is simple and the installation is convenient. Finally, the first frame and the second frame are connected by the connecting unit to fix the mounting frame on the tie beam.
[0011] Preferably, sealing blocks are respectively provided between the first frame and the second frame and the top wall of the tie beam; the air inlet is located at one end of the sealing gasket located on the first frame; the top wall of the second frame has a water inlet; the water outlet is connected to the working chamber through the water inlet.
[0012] By adopting the above technical solution, the sealing block can seal the top wall of the tie beam, preventing the detection water in the working chamber from leaking from the top wall of the tie beam; by setting the air inlet on the top of the first frame and the water inlet on the top wall of the second frame, after the air pump pressurizes the space between the diaphragm and the sealing gasket, the airflow can flow along the fixed track of "top of the tie beam side wall - bottom wall of the tie beam - top of the bottom wall of the other tie beam side wall", and the diaphragm will sequentially adhere to the side wall of the tie beam along the fixed track, which facilitates squeezing the detection water in the pit into the water supply tank.
[0013] Preferably, the connecting unit includes a plug rod, a connecting rod, and a plug block; the plug rod is disposed on the first frame; the connecting rod is disposed on the second frame; the connecting rod has a plug groove; the end of the plug rod away from the first frame is located in the plug groove; the plug block is slidably disposed on the connecting rod; the plug rod has a plug hole that mates with the plug block.
[0014] By adopting the above technical solution, the first frame and the second frame are connected by plugging in holes and plugging blocks, which is simple and convenient and improves the installation efficiency of the mounting frame.
[0015] Preferably, a driving block is provided at one end of the opening / closing rod; the driving block has a first guide arc surface; the first guide arc surface abuts against the plug rod; a first elastic element is sleeved on the opening / closing rod; the two ends of the first elastic element are respectively connected to the side wall of the driving block and the plug groove; the first elastic element is used to provide a force for the driving block to approach the plug rod.
[0016] By adopting the above technical solution, after the mounting bracket is installed, the opening and closing rod is moved by the plug rod abutting against the drive block to open the water outlet; the first elastic element can push the drive block to reset after the plug rod moves away from the connecting rod, thereby making the opening and closing rod automatically close the water outlet, realizing the self-adjustment effect of the opening and closing state at the water supply tank outlet; the second elastic element can absorb the impact force when the plug rod is inserted, avoiding deformation or wear of the drive block and plug rod due to hard contact.
[0017] Preferably, the connecting unit further includes a second elastic element; a limiting block is provided on the plug-in block; the second elastic element is disposed between the limiting block and the connecting rod; the second elastic element is used to provide a force for the limiting block to approach the plug-in rod; a second guide arc surface is provided on the plug-in block; the second guide arc surface abuts against the bottom wall of the plug-in rod.
[0018] By adopting the above technical solution, after the plug rod enters the plug groove, it first abuts against the second guide arc surface, pressing the plug block away from the plug rod. Then, the plug block abuts against the plug rod. When the plug block corresponds to the plug hole, the plug block automatically enters the plug hole under the push of the second elastic element, thus achieving the effect of automatic locking of the plug rod and the connecting rod.
[0019] Preferably, a pressure plate is slidably installed vertically inside the water supply tank; a counterweight is installed on the pressure plate.
[0020] By adopting the above technical solution, after the outlet is opened, the counterweight can press down on the pressure plate and push the test water in the water supply tank into the working chamber, thereby improving the water supply efficiency. The squeezed water can be replenished into the cracks and pits more quickly and fully, making the change in liquid level in the water supply tank after air supply more accurate.
[0021] Preferably, the water supply tank has an exhaust port on its top wall.
[0022] By adopting the above technical solution, when the air pump supplies air and the diaphragm squeezes the test water in the working chamber into the water supply tank, the exhaust port at the top of the water supply tank can release the gas above the pressure plate, avoiding air pressure above the pressure plate, so that the test water in the working chamber can enter the water supply tank more smoothly, thus improving the testing efficiency.
[0023] Preferably, the counterweight is provided with a guide slope; a slider is slidably provided on the water supply tank; a force-bearing plate is inclinedly provided on the slider; and the force-bearing plate is in contact with the guide slope.
[0024] By adopting the above technical solution, the force plate and the guide slope on the counterweight are attached. Before water is supplied to the working chamber, the counterweight is supported by the force plate, which disables the pressure plate and avoids excessive water pressure in the water tank, which would cause water to spray into the working chamber and damage the diaphragm and the surface of the concrete tie beam. After the outlet is opened, the force plate is moved away from the counterweight by moving the slider, which causes the counterweight to move slowly down along the force plate, thereby slowly squeezing the test water in the water tank, reducing the filling time of the test water in the working chamber and improving work efficiency. After the test water in the working chamber is full, the pressure plate can still squeeze the test water, allowing the test water to fully penetrate into the cracks and improving the detection accuracy.
[0025] Preferably, a connecting rod is provided between the opening / closing rod and the slider; the two ends of the connecting rod are fixedly connected to the opening / closing rod and the slider, respectively.
[0026] By adopting the above technical solution, the slider and the opening / closing rod are connected by a connecting rod, so that after the opening / closing rod opens the water outlet, the counterweight automatically pushes the pressure plate down, which improves the smoothness of equipment operation.
[0027] In summary, this application includes at least one of the following beneficial technical effects: 1. By injecting test water into the working chamber through a water supply tank, the test water can fill cracks and pits on the side wall of the tie beam. Then, by using an air pump to inject high-pressure gas between the sealing gasket and the diaphragm, the test water in the working chamber is forced back into the water supply tank. The diaphragm can tightly adhere to the inner wall of the pit and squeeze out the water in the pit, while the water in the crack cannot be squeezed out. By installing a distance sensor in the water supply tank, the distance sensor can identify the water level in the water supply tank after water is injected and drained from the working chamber. If there is a water level difference, it indicates that there are cracks on the tie beam. Furthermore, by calculating the amount of water reduced in the water supply tank, the total size of the cracks on the surface of the tie beam can be accurately determined. The detection of cracks on the surface of the tie beam can be achieved by supplying water through the water supply tank and air through the air pump. The operation is simple and improves work efficiency.
[0028] 2. The force plate is aligned with the guide ramp on the counterweight. Before water is supplied to the working chamber, the counterweight is supported by the force plate, which disables the pressure plate and prevents excessive water pressure in the water tank, which could cause water to spray into the working chamber and damage the diaphragm and the surface of the concrete tie beam. After the outlet is opened, the force plate is moved away from the counterweight by moving the slider, which causes the counterweight to slowly move down along the force plate, thus slowly squeezing the test water in the water tank, reducing the filling time of the test water in the working chamber and improving work efficiency. After the test water in the working chamber is full, the pressure plate can still squeeze the test water, allowing it to fully penetrate into the cracks and improving the detection accuracy. Attached Figure Description
[0029] Figure 1 This is a schematic diagram of a structural parameter detection device for concrete tie beams.
[0030] Figure 2 This is a cross-sectional view of a structural parameter detection device for concrete tie beams.
[0031] Figure 3 yes Figure 2 A magnified view of part A in the image.
[0032] Figure 4 This is a schematic diagram of the connection unit in the embodiment.
[0033] Figure 5 This is a schematic diagram of the plug-in block in the embodiment.
[0034] Figure 6 yes Figure 2 A magnified view of part B in the image.
[0035] Explanation of reference numerals in the attached figures: 1. Tie beam; 2. Mounting frame; 21. First frame; 22. Second frame; 221. Water inlet; 23. Sealing block; 3. Air pump; 4. Water supply tank; 41. Water outlet; 42. Exhaust port; 5. Sealing gasket; 51. Working groove; 52. Diaphragm; 53. Air inlet; 54. Working chamber; 6. Opening / closing rod; 61. Through hole; 62. Drive block; 621. First guide arc surface; 63. First elastic element; 7. Connecting unit; 71. Insert rod; 711. Insertion hole; 72. Connecting rod; 721. Insertion groove; 73. Insertion block; 731. Limiting block; 732. Second guide arc surface; 74. Second elastic element; 8. Pressure plate; 81. Counterweight block; 811. Guide slope; 812. Lifting rod; 9. Sliding block; 91. Force plate; 92. Connecting rod. Detailed Implementation
[0036] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.
[0037] This application discloses a device for detecting the structural parameters of concrete tie beams. (Refer to...) Figure 1-3The system includes a mounting frame 2, an air pump 3, and a water supply tank 4. The mounting frame 2 is fitted onto the tie beam 1. The air pump 3 and the water supply tank 4 are respectively mounted on the mounting frame 2. A sealing gasket 5 is laid inside the mounting frame 2. A working groove 51 is opened inside the sealing gasket 5. After the mounting frame 2 is fitted onto the tie beam 1, its inner wall can press the sealing gasket 5 onto the tie beam 1, thereby fully sealing the working groove 51. A diaphragm 52 is provided in the working groove 51. A working cavity 54 is formed between the diaphragm 52 and the bottom wall and side walls of the tie beam 1. The bottom of the water supply tank 4 has a water outlet 41. The outlet 41 is connected to the working chamber 54; the water supply tank 4 stores test water, which can flow into the working chamber 54 through the outlet 41 and into the pits and cracks on the surface of the tie beam 1; an opening and closing rod 6 is slidably installed at the outlet 41; a through hole 61 is provided on the opening and closing rod 6; after the opening and closing rod 6 slides, the through hole 61 is aligned with or misaligned with the outlet 41; when the through hole 61 and the outlet 41 are not aligned, the diaphragm 52 is in contact with the sealing gasket 5; an air inlet 53 is provided on the sealing gasket 5; the air inlet 53 is directly opposite the diaphragm 52; the air pump 3... The air outlet is connected to the air inlet 53; after the working chamber 54 is filled with detection liquid, the air pump 3 can inject gas between the diaphragm 52 and the sealing gasket 5 through the air inlet 53, thereby causing the diaphragm 52 to expand and adhere to the surface of the tie beam 1, thus squeezing the detection water in the working chamber 54 into the water supply tank 4; the diaphragm 52 can adhere tightly to the inner wall of the pit, thereby squeezing out the detection water in the pit. Because the opening of the crack is small, the diaphragm 52 cannot squeeze out the detection water in the crack, but can instead seal the crack; a distance sensor is installed in the water supply tank 4. The distance sensor is specifically an ultrasonic displacement sensor. The ultrasonic displacement sensor can emit ultrasonic waves into the water to be detected and calculate the water level by the echo time difference. The distance sensor can detect the water level in the water supply tank 4 before water supply and the water level in the water supply tank 4 after air supply. When there is a difference in water level, it indicates that there is a crack in the tie beam 1. The volume of water reduced in the water supply tank 4 can represent the total size of the crack in the tie beam 1. By comparing the size of the detected crack with the allowable crack size of the tie beam 1, the qualification of the tie beam 1 can be judged.
[0038] The mounting frame 2 includes a first frame 21 and a second frame 22; the bottom ends of the first frame 21 and the second frame 22 are rotatably connected; the top ends of the first frame 21 and the second frame 22 are connected by a connecting unit 7; sealing blocks 23 are respectively provided between the first frame 21 and the second frame 22 and the top wall of the tie beam 1; the sealing blocks 23 can seal the top wall of the tie beam 1 to prevent the detection water in the working chamber 54 from leaking from the top wall of the tie beam 1.
[0039] When installing the mounting bracket 2, the first bracket 21 and the second bracket 22 are opened and placed under the tie beam 1. Then, the first bracket 21 and the second bracket 22 are moved upward and fastened together, thereby pressing the sealing gasket 5 and the sealing block 23 onto the surface of the tie beam 1. Then, the first bracket 21 and the second bracket 22 are connected through the connecting unit 7 to achieve the fixing of the first bracket 21 and the second bracket 22.
[0040] Reference Figure 2 and Figure 3 The sealing gasket 5 is U-shaped and wraps around the bottom wall and two side walls of the tie beam 1, so that the two ends of the working chamber 54 are located at the top of the first frame 21 and the second frame 22, respectively. The air pump 3 is installed on the first frame 21. The air inlet 53 is located at the end of the sealing gasket 5 located on the first frame 21. The water supply tank 4 is installed on the top wall of the second frame 22. The top wall of the second frame 22 has a water inlet 221. The water outlet 41 is connected to the working chamber 54 through the water inlet 221. When the air pump 3 pressurizes the space between the diaphragm 52 and the sealing gasket 5, the airflow enters from the top of the first frame 21 and flows along the fixed track of "top of the side wall of the tie beam 1 - bottom wall of the tie beam 1 - top of the bottom wall of the other side wall of the tie beam 1" to the top of the second frame 22. When the airflow flows, it squeezes the diaphragm 52, so that the diaphragm 52 is attached to the outer wall of the tie beam 1 along the fixed track in sequence, avoiding the problem that the water in the pit cannot be squeezed out if the diaphragm 52 is directly attached to the side wall of the tie beam 1.
[0041] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5The connecting unit 7 includes a plug-in rod 71, a connecting rod 72, a plug-in block 73, and a second elastic element 74. The plug-in rod 71 is mounted on the first frame 21; the connecting rod 72 is mounted on the second frame 22; the connecting rod 72 has a plug-in groove 721; after the first frame 21 and the second frame 22 are engaged, the end of the plug-in rod 71 away from the first frame 21 is located in the plug-in groove 721; the plug-in block 73 is slidably mounted on the connecting rod 72; the plug-in rod 71 has a plug-in hole 711 that mates with the plug-in block 73; a limit block 731 is provided on the plug-in block 73; the second elastic element 74 is a spring; the second elastic element 74 is located between the limit block 731 and the connecting rod 72; the second elastic element 74 is used to provide... The limiting block 731 approaches the insertion rod 71 with force; a second guide arc surface 732 is provided on the insertion block 73; after the first frame 21 and the second frame 22 are fastened together and the insertion rod 71 enters the insertion groove 721, the second guide arc surface 732 abuts against the bottom wall of the insertion rod 71; and the insertion block 73 is pressed against the outside of the insertion rod 71, and the second elastic member 74 is pressed, so that the second elastic member 74 stores elastic potential energy; as the insertion rod 71 moves, the insertion block 73 abuts against the insertion rod 71, and when the insertion hole 711 is aligned with the insertion block 73, the second elastic member 74 pushes the limiting block 731, and then pushes the insertion block 73 into the insertion hole 711, completing the fixing of the insertion rod 71 and the connecting rod 72.
[0042] Reference Figure 1 and Figure 2 A drive block 62 is provided at one end of the opening / closing rod 6; the drive block 62 has a first guide arc surface 621; after the insertion rod 71 enters the insertion slot 721, the first guide arc surface 621 abuts against the insertion rod 71; as the insertion rod 71 moves, it gradually compresses the drive block 62 and the opening / closing rod 6 to slide; after the insertion rod 71 and the connecting rod 72 are fixed, the through hole 61 on the opening / closing rod 6 is aligned with the water outlet 41, and the water in the water supply tank 4 enters the working chamber 54; a first elastic sleeve is provided on the opening / closing rod 6. Component 63; the first elastic component 63 is a spring; the two ends of the first elastic component 63 are respectively connected to the side wall of the drive block 62 and the insertion groove 721; the first elastic component 63 is used to provide the force for the drive block 62 to approach the insertion rod 71; after the test is completed, the insertion block 73 is pulled out of the insertion hole 711, and the first frame 21 and the second frame 22 are rotated to remove the mounting frame 2 from the tie beam 1. The drive block 62, i.e. the opening and closing rod 6, is reset under the pressure of the first elastic component 63, and the first through hole 61 is misaligned with the outlet 41.
[0043] Reference Figure 6A pressure plate 8 is vertically slidably installed inside the water supply tank 4; a counterweight 81 is installed on the pressure plate 8; a guide slope 811 is installed on the counterweight 81; a slider 9 is slidably installed on the water supply tank 4; a force plate 91 is inclinedly installed on the slider 9; the force plate 91 is in contact with the guide slope 811; a connecting rod 92 is installed between the opening / closing rod 6 and the slider 9; the two ends of the connecting rod 92 are fixedly connected to the opening / closing rod 6 and the slider 9 respectively.
[0044] When the outlet 41 is not open, the force plate 91 fixes the counterweight 81 above the water supply tank 4; when the opening and closing rod 6 slides to open the outlet 41, it drives the slider 9 to slide through the connecting rod 92 and moves the force plate 91 away from the counterweight 81; the counterweight 81 slowly slides down along the inclined force plate 91 and squeezes the detection water in the water supply tank 4, so that the detection water in the water supply tank 4 can quickly replenish the cracks and pits; after the detection water in the working chamber 54 is full, the pressure plate 8 can also squeeze the detection water, so that the detection water can fully penetrate into the cracks and improve the detection accuracy.
[0045] An exhaust port 42 is provided on the top wall of the water supply tank 4; when the diaphragm 52 squeezes the detection water in the working chamber 54 into the water supply tank 4, the exhaust port 42 on the top of the water supply tank 4 can release the gas above the pressure plate 8, so as to avoid the presence of air pressure above the pressure plate 8, which would affect the movement of the pressure plate 8.
[0046] The working principle of the structural parameter detection device for concrete tie beams in this application is as follows: When installing the mounting frame 2, the operator opens the first frame 21 and the second frame 22 around the bottom rotation point, lifts them from below the tie beam 1 and snaps them together upwards, so that the U-shaped sealing gasket 5 inside the frame fits against the bottom wall and side walls of the tie beam 1. At the same time, the sealing block 23 on the top wall of the first frame 21 and the second frame 22 presses against the top wall of the tie beam 1, forming a fully enclosed sealing structure.
[0047] During the frame fastening process, the insertion rod 71 on the first frame 21 is inserted into the insertion slot 721 of the connecting rod 72 of the second frame 22; the insertion rod 71 abuts against the second guide arc surface 732 of the insertion block 73, squeezing the insertion block 73 to slide and compress the second elastic element 74; when the insertion hole 711 on the insertion rod 71 is aligned with the insertion block 73, the second elastic element 74 releases elastic potential energy, pushing the insertion block 73 into the insertion hole 711, completing the rigid locking of the top of the frame, ensuring that the sealing gasket 5 and the surface of the tie beam 1 are tightly fitted without any leakage gaps.
[0048] When the plug rod 71 is inserted into the plug slot 721, it simultaneously abuts against the first guide arc surface 621 of the drive block 62, squeezing the drive block 62 to drive the opening and closing rod 6 to slide, compressing the first elastic element 63; when the connecting unit 7 is locked, the through hole 61 on the opening and closing rod 6 is precisely aligned with the water outlet 41 of the water supply tank 4, and the water supply tank 4 fills the working chamber 54 with test water; at the same time, the opening and closing rod 6 drives the slider 9 to slide through the connecting rod 92, so that the force plate 91 on the slider 9 moves away from the counterweight 81, releasing the limit on the counterweight 81.
[0049] After the load-bearing plate 91 is released from its limit, the counterweight 81 slides down along the guide slope 811, pushing the pressure plate 8 to slide vertically in the water supply tank 4, forming a continuous squeezing force on the test water; the test water flows into the working cavity 54 between the sealing gasket 5 and the tie beam 1 through the outlet 41 and the inlet 221 of the second frame 22, and quickly fills the pits and cracks on the surface of the tie beam 1.
[0050] During the water supply process, the vent 42 at the top of the water supply tank 4 discharges the gas above the pressure plate 8 in real time to prevent gas accumulation from hindering the flow of the test water; the pressure plate 8 continuously applies pressure to allow the test water to fully penetrate into the depths of the crack, ensuring that there is no residual air inside the crack and improving the filling fullness.
[0051] After the water supply is completed, the ultrasonic distance sensor in the water supply tank 4 records the initial liquid level height at this time, which serves as the reference value for subsequent volume calculation.
[0052] The operator starts the air pump 3, and the gas enters the gap between the sealing gasket 5 and the diaphragm 52 through the air inlet 53 on the sealing gasket 5 (located at the end of the first frame 21); the airflow flows along the preset track "top of the side wall of the tie beam 1 → bottom wall of the tie beam 1 → top of the other side wall of the tie beam 1", realizing the directional compression of the diaphragm 52.
[0053] Airflow pushes the diaphragm 52 to gradually adhere from the top of the side wall of the tie beam 1 to the bottom wall, preferentially squeezing out the detection water in the pits on the surface of the tie beam 1; due to the narrow opening of the crack, the diaphragm 52 cannot fully extend into the crack, but can only seal the crack opening, and the detection water in the crack is retained; the squeezed-out pit water flows back to the water supply tank 4 through the working chamber 54 and the water inlet 221, pushing the pressure plate 8 to move upward; when the diaphragm 52 is completely attached to the surface of the tie beam 1 (the area without pits), the air pump 3 stops supplying air, at this time only the detection water in the crack remains in the working chamber 54, and all the pit water has flowed back.
[0054] To prevent the counterweight 81 and the pressure plate 8 from affecting the test results, a lifting rod 812 is connected to the top of the counterweight 81. By pulling the lifting rod 812 upward, the counterweight 81 is pulled upward and reset; this prevents the pressure plate 8 from squeezing the test water and thus affecting the water level.
[0055] The ultrasonic distance sensor detects the final liquid level in the water supply tank 4 at this time and calculates the height difference between the initial liquid level and the final liquid level.
[0056] Based on the cross-sectional area of water supply tank 4, the total volume of the cracks on the surface of tie beam 1 can be calculated using the formula V=S×Δh (V is the crack volume, S is the cross-sectional area of water supply tank 4, and Δh is the liquid level difference).
[0057] Acceptance determination: The calculated crack volume is compared with the allowable crack volume threshold in the design code of concrete tie beam 1. If the calculated value is less than or equal to the threshold, the structural parameters of tie beam 1 are deemed to be qualified; otherwise, it is deemed to be unqualified.
[0058] The operator manually slides the plug block 73 to disengage it from the plug hole 711 on the plug rod 71, thereby releasing the lock on the top of the frame.
[0059] The first frame 21 and the second frame 22 are opened around the bottom rotation point, and the mounting bracket 2 is removed from the tie beam 1. At this time, the first elastic element 63 releases elastic potential energy, pushes the drive block 62 to drive the opening and closing rod 6 to reset, so that the through hole 61 is misaligned with the water outlet 41, and the water path is cut off. At the same time, the opening and closing rod 6 drives the slider 9 to reset through the connecting rod 92, and the force plate 91 is re-engaged into the guide slope 811 of the counterweight block 81, raising the counterweight block 81 to the initial position to prepare for the next test.
[0060] After disassembly, residual detection water on the surfaces of the sealing gasket 5 and diaphragm 52 can be cleaned to ensure the equipment is clean and avoid affecting the accuracy of subsequent tests.
[0061] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A device for detecting structural parameters of a concrete tie beam, characterized in that: The system includes a mounting bracket (2) fitted onto the tie beam (1), an air pump (3) mounted on top of the mounting bracket (2), and a water supply tank (4); a sealing gasket (5) is laid inside the mounting bracket (2); a working groove (51) is formed inside the sealing gasket (5); a diaphragm (52) is provided inside the working groove (51); the diaphragm (52) is in contact with the sealing gasket (5); a working cavity (54) is formed between the diaphragm (52) and the bottom and side walls of the tie beam (1); and the bottom of the water supply tank (4) is... The part has a water outlet (41); the water outlet (41) is connected to the working chamber (54); an opening and closing rod (6) is slidably provided at the water outlet (41); a through hole (61) is provided on the opening and closing rod (6); after the opening and closing rod (6) slides, the through hole (61) is aligned or misaligned with the water outlet (41); an air inlet (53) is provided on the sealing gasket (5); the air outlet of the air pump (3) is connected to the air inlet (53); a distance sensor is provided in the water supply tank (4).
2. The structural parameter detection device for a concrete tie beam according to claim 1, characterized in that: The mounting frame (2) includes a first frame (21) and a second frame (22); the bottom ends of the first frame (21) and the second frame (22) are rotatably connected; the top ends of the first frame (21) and the second frame (22) are connected by a connecting unit (7).
3. The structural parameter detection device for a concrete tie beam according to claim 2, characterized in that: Sealing blocks (23) are respectively provided between the first frame (21) and the second frame (22) and the top wall of the tie beam (1); the air inlet (53) is located at one end of the sealing gasket (5) located on the first frame (21); the top wall of the second frame (22) has a water inlet (221); the water outlet (41) is connected to the working chamber (54) through the water inlet (221).
4. The structural parameter detection device for a concrete tie beam according to claim 2, characterized in that: The connecting unit (7) includes a plug rod (71), a connecting rod (72), and a plug block (73); the plug rod (71) is disposed on the first frame (21); the connecting rod (72) is disposed on the second frame (22); the connecting rod (72) has a plug groove (721); one end of the plug rod (71) away from the first frame (21) is located in the plug groove (721); the plug block (73) is slidably disposed on the connecting rod (72); the plug rod (71) has a plug hole (711) that cooperates with the plug block (73).
5. The structural parameter detection device for a concrete tie beam according to claim 4, characterized in that: One end of the opening / closing rod (6) is provided with a driving block (62); the driving block (62) has a first guide arc surface (621); the first guide arc surface (621) abuts against the plug rod (71); a first elastic element (63) is sleeved on the opening / closing rod (6); the two ends of the first elastic element (63) are respectively connected to the side wall of the driving block (62) and the plug groove (721); the first elastic element (63) is used to provide the driving block (62) with force close to the plug rod (71).
6. The structural parameter detection device for a concrete tie beam according to claim 5, characterized in that: The connecting unit (7) further includes a second elastic element (74); a limiting block (731) is provided on the plug-in block (73); the second elastic element (74) is disposed between the limiting block (731) and the connecting rod (72); the second elastic element (74) is used to provide a force for the limiting block (731) to approach the plug-in rod (71); a second guide arc surface (732) is provided on the plug-in block (73); the second guide arc surface (732) abuts against the bottom wall of the plug-in rod (71).
7. The structural parameter detection device for a concrete tie beam according to claim 1, characterized in that: A pressure plate (8) is vertically slidably installed inside the water supply tank (4); a counterweight (81) is installed on the pressure plate (8).
8. The structural parameter detection device for a concrete tie beam according to claim 7, characterized in that: The water supply tank (4) has an exhaust port (42) on its top wall.
9. The structural parameter detection device for a concrete tie beam according to claim 7, characterized in that: The counterweight (81) is provided with a guide slope (811); the water supply tank (4) is slidably provided with a slider (9); the slider (9) is inclinedly provided with a force plate (91); the force plate (91) is in contact with the guide slope (811).
10. The structural parameter detection device for a concrete tie beam according to claim 9, characterized in that: A connecting rod (92) is provided between the opening / closing rod (6) and the slider (9); the two ends of the connecting rod (92) are fixedly connected to the opening / closing rod (6) and the slider (9) respectively.