PHC pipe pile concrete crack microbial filling repair device
By designing an automated PHC pipe pile concrete crack microbial filling repair device, which utilizes components such as clamping rings and electric actuators to achieve automated repair, the problem of increased labor intensity caused by manual hand-held spraying tools in existing technologies has been solved, thereby improving repair efficiency and equipment practicality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN YONGQIANG SOIL
- Filing Date
- 2025-06-19
- Publication Date
- 2026-07-03
AI Technical Summary
In existing technologies, the repair of concrete cracks in PHC pipe piles requires operators to hold the spraying tool for a long time, which increases labor intensity and poses a risk of operational errors.
A PHC (Probiotic Hybridization and Harmful Concrete) filling and repair device for concrete cracks in pipe piles was designed, comprising a pipe pile body and a repair mechanism. Utilizing components such as clamping rings, T-shaped grooves, T-shaped sliders, bearing plates, lead screws, and electric actuators, the device achieves an automated repair process, reducing the need for manual handling of the storage cylinder.
It reduces the labor intensity of staff, improves the practicality and repair efficiency of equipment, and avoids operational errors caused by prolonged manual handling.
Smart Images

Figure CN224451609U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete crack repair technology, and in particular to a PHC pipe pile concrete crack microbial filling repair device. Background Technology
[0002] PHC pipe piles, or prestressed high-strength concrete pipe piles, are hollow cylindrical precast concrete components manufactured using a pre-tensioned prestressed centrifugal molding process and steam curing at approximately 10 atmospheres and 180°C. They are widely used as precast pile foundation components in construction, bridge, and port projects.
[0003] During the construction hammering process or in daily marine service, PHC pipe piles may develop various types of multi-source cracks on their surface due to factors such as large temperature differences, uneven load distribution, complex marine seawater environment, and seawater erosion and corrosion. Under long-term load, the development and extension of cracks will seriously affect the overall safety of the pipe pile structure, and in severe cases, it may cause the pipe pile to be pulled out of balance, tilted, or broken.
[0004] Existing equipment, such as CN222700965U, is a circulating grouting device for repairing concrete cracks in circumferential pipe piles using MIP (Micro-Injection Polymerization) technology. It includes a grout storage cylinder, a reducing tee, a peristaltic pump, an injection nozzle, an effluent collection tank, a pneumatic sandblasting gun, and a T-shaped rubber plug. One port of the injection nozzle is detachably connected to the reducing tee, and the output end of the peristaltic pump's delivery pipe is detachably connected to the other port of the reducing tee. The input end of the peristaltic pump's delivery pipe is connected to the tee, and the other two ports of the tee are connected to the supply ends of the microbial grouting solution and the cementing solution, respectively. The effluent collection tank is installed on the outer wall of the pipe pile using straps and elastic rubber ropes. Hooks are fixed to both ends of the straps, and the effluent collection tank, made of flexible rubber, is fixed to the straps using Velcro. This device is easy to install and disassemble, can be used repeatedly, and ensures uniform and full filling, fully meeting the requirements for MIP technology repair testing of concrete cracks in circumferential pipe piles, making it suitable for further promotion and application.
[0005] Existing technologies require a lengthy filling process to repair cracks, which necessitates operators holding the spraying tool for extended periods, increasing their workload. Furthermore, the manual handling and squeezing of the spraying tool can lead to operational errors after prolonged operation, thus requiring improvement. Utility Model Content
[0006] The purpose of this invention is to solve the problem of existing technologies requiring operators to hold spraying tools for extended periods of time, and to propose a PHC pipe pile concrete crack microbial filling and repair device.
[0007] To achieve the above objectives, the present invention adopts the following technical solution: a PHC pipe pile concrete crack microbial filling and repair device, comprising a pipe pile body and a repair mechanism, wherein the repair mechanism is disposed on the surface of the pipe pile body; the repair mechanism includes a clamping ring one and a clamping ring two, both of which are disposed on the surface of the pipe pile body, and both clamping ring one and clamping ring two are provided with T-shaped grooves, a T-shaped slider is slidably connected to the inner wall of the T-shaped groove, a bearing plate is fixedly connected to the lower surface of the T-shaped slider, a sliding groove is provided on the bearing plate, a support plate is slidably connected to the inner wall of the sliding groove, and a storage cylinder is placed on the upper surface of the support plate.
[0008] Furthermore, a lead screw is rotatably connected to the inner wall of the bearing plate, the lead screw is threadedly connected to the support plate, there are two sets of support plates, a connecting plate is fixedly connected between the two sets of support plates, and a handwheel is fixedly connected to the surface of the lead screw.
[0009] Furthermore, an L-shaped plate is fixedly connected to the support plate, an electric push rod is placed on the upper surface of the L-shaped plate, a rubber stopper is fixedly connected to the inner wall of the storage cylinder, and the output end of the electric push rod is fixedly connected to the rubber stopper.
[0010] Furthermore, a material distribution plate is provided at one end of the storage cylinder near the main body of the pipe pile, and a corrugated feed pipe is fixedly connected to the inner wall of the storage cylinder.
[0011] Furthermore, the upper surfaces of both the support plate and the L-shaped plate are provided with clamping components. The clamping components include fixing blocks, which are fixedly connected to the upper surface of the support plate. There are two sets of fixing blocks, and a fixing shaft is fixedly connected between the two sets of fixing blocks.
[0012] Furthermore, a fixing ring is rotatably connected to the surface of the fixing shaft, and an insertion hole is provided at the end of the fixing ring away from the fixing shaft. A sleeve is fixedly connected to the upper surface of the support plate.
[0013] Furthermore, the inner wall of the sleeve is slidably connected to a rod, the rod is slidably connected to the inner wall of the insertion hole, a limiting plate is fixedly connected to the surface of the rod, and a spring is provided on the surface of the rod. The two ends of the spring are fixedly connected to the limiting plate and the inner wall of the sleeve, respectively. Both the spring and the limiting plate are located inside the sleeve.
[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0015] In this invention, a repair mechanism is provided to facilitate the repair of concrete cracks in pipe piles. During repair, clamping ring one and clamping ring two are placed near the concrete cracks. First, the T-shaped slider connected to the bearing plate is placed into the T-shaped groove on clamping ring one or clamping ring two. Then, clamping ring one and clamping ring two are fixed together with bolts and nuts. Next, the output end of the electric actuator is fixed together with the rubber plug inside the storage cylinder. The electric actuator and storage cylinder are placed on the support plate and L-shaped plate. Then, the fixing ring is rotated while the insert rod is pulled. The insert rod drives the limiting plate to slide on the inner wall of the sleeve, and the limiting plate compresses the spring. When the fixing ring is completely in contact with the storage cylinder, the insert rod is released, and the spring pushes the limiting plate. The plate and insert rod are reset, the insert rod is inserted into the insertion hole, and then a suitable material distribution plate is selected according to the crack and fixed at the output end of the storage cylinder. The handwheel is rotated, the handwheel drives the screw to rotate, and the screw drives the support plate to approach the pipe pile body. Then, the repair filler is sent into the discharge cylinder through the external pump body and the corrugated feed pipe. The electric actuator is started, and the electric actuator pushes the rubber plug to slide inside the storage cylinder, so that the repair filler is discharged from the storage cylinder to repair the crack. By setting up the repair mechanism, cracks on the pipe pile body can be repaired without the need for the staff to hold the storage cylinder at all times, reducing the labor intensity of the staff. Moreover, the device can be disassembled and reused, which effectively improves the practicality of the equipment. Attached Figure Description
[0016] Figure 1 This utility model presents a three-dimensional structural schematic diagram of a PHC pipe pile concrete crack microbial filling and repair device;
[0017] Figure 2 This utility model provides a schematic diagram of the T-shaped groove and T-shaped slider structure in a PHC pipe pile concrete crack microbial filling and repair device;
[0018] Figure 3 This utility model provides a structural schematic diagram of the repair mechanism in a PHC pipe pile concrete crack microbial filling and repair device;
[0019] Figure 4 This invention provides a schematic diagram of the internal structure of the storage cylinder in a PHC pipe pile concrete crack microbial filling and repair device;
[0020] Figure 5 This invention provides a schematic diagram of the clamping component in a PHC pipe pile concrete crack microbial filling and repair device;
[0021] Figure 6 This utility model proposes a PHC pipe pile concrete crack microbial filling and repair device. Figure 5 A magnified structural diagram at point A.
[0022] Legend:
[0023] 1. Pipe pile body; 2. Repair mechanism; 21. Clamping ring one; 22. Clamping ring two; 23. T-shaped slide groove; 24. T-shaped slider; 25. Bearing plate; 26. Sliding groove; 27. Support plate; 28. L-shaped plate; 29. Clamping assembly; 291. Fixing block; 292. Fixing shaft; 293. Fixing ring; 294. Sleeve; 295. Insert rod; 296. Insertion hole; 297. Limiting plate; 298. Spring; 210. Connecting plate; 211. Storage cylinder; 212. Rubber plug; 214. Electric actuator; 215. Screw; 216. Handwheel; 217. Material distribution plate; 218. Corrugated feed pipe. Detailed Implementation
[0024] Please see Figures 1-6 This utility model provides a technical solution: a PHC pipe pile concrete crack microbial filling and repair device, including a pipe pile body 1 and a repair mechanism 2, the repair mechanism 2 being disposed on the surface of the pipe pile body 1.
[0025] The specific setup and function of its repair mechanism 2 will be explained below.
[0026] In this implementation scheme: the repair mechanism 2 includes a clamping ring 21 and a clamping ring 22. Both clamping ring 21 and clamping ring 22 are disposed on the surface of the pipe pile body 1. Both clamping ring 21 and clamping ring 22 are provided with T-shaped grooves 23. A T-shaped slider 24 is slidably connected to the inner wall of the T-shaped groove 23. A bearing plate 25 is fixedly connected to the lower surface of the T-shaped slider 24. A sliding groove 26 is provided on the bearing plate 25. A support plate 27 is slidably connected to the inner wall of the sliding groove 26. A storage cylinder 211 is placed on the upper surface of the support plate 27.
[0027] The effect achieved by the above components is as follows: the support plate 27 supports the storage cylinder 211, eliminating the need for operators to hold the storage cylinder 211 for extended periods, thus reducing the labor intensity of the workers.
[0028] Specifically, a lead screw 215 is rotatably connected to the inner wall of the bearing plate 25. The lead screw 215 is threadedly connected to the support plate 27. There are two sets of support plates 27. A connecting plate 210 is fixedly connected between the two sets of support plates 27. A handwheel 216 is fixedly connected to the surface of the lead screw 215.
[0029] The above components achieve the following effects: the connecting plate 210 is set to fix the two sets of support plates 27 together to maintain their stability; the lead screw 215 is set to adjust the position of the support plate 27.
[0030] Specifically, an L-shaped plate 28 is fixedly connected to the support plate 27, an electric push rod 214 is placed on the upper surface of the L-shaped plate 28, a rubber stopper 212 is fixedly connected to the inner wall of the storage cylinder 211, and the output end of the electric push rod 214 is fixedly connected to the rubber stopper 212.
[0031] The effects achieved by the above components are as follows: the electric push rod 214 can continuously and stably push the rubber plug 212 to discharge the repair filler into the storage cylinder 211; the L-shaped plate 28 can allow the electric push rod 214 and the storage cylinder 211 to slide simultaneously.
[0032] Specifically, a material distribution plate 217 is provided at one end of the storage cylinder 211 near the main body 1 of the pipe pile, and a corrugated feed pipe 218 is fixedly connected to the inner wall of the storage cylinder 211.
[0033] The effect achieved by the above components is as follows: by setting up the material distribution plate 217, the appropriate material distribution plate 217 can be rotated according to the crack size, and the crack can be filled and repaired as a whole.
[0034] Specifically, the upper surfaces of the support plate 27 and the L-shaped plate 28 are provided with clamping components 29. The clamping components 29 include fixing blocks 291, which are fixedly connected to the upper surface of the support plate 27. There are two sets of fixing blocks 291, and a fixing shaft 292 is fixedly connected between the two sets of fixing blocks 291.
[0035] Specifically, a fixing ring 293 is rotatably connected to the surface of the fixing shaft 292, and an insertion hole 296 is provided at the end of the fixing ring 293 away from the fixing shaft 292. A sleeve 294 is fixedly connected to the upper surface of the support plate 27.
[0036] The effect achieved by the above components is to fix the storage cylinder 211 and the electric actuator 214 by setting the fixing ring 293.
[0037] Specifically, a rod 295 is slidably connected to the inner wall of the sleeve 294. The rod 295 is slidably connected to the inner wall of the insertion hole 296. A limiting plate 297 is fixedly connected to the surface of the rod 295. A spring 298 is provided on the surface of the rod 295. The two ends of the spring 298 are fixedly connected to the limiting plate 297 and the inner wall of the sleeve 294, respectively. Both the spring 298 and the limiting plate 297 are located inside the sleeve 294.
[0038] The above components achieve the following effects: the insertion rod 295 is set to cooperate with the insertion hole 296 to fix the fixing ring 293 and the support plate 27 together; the spring 298 is set to cooperate with the limiting plate 297 to support the insertion rod 295 and prevent it from falling out of the insertion hole 296.
[0039] Working principle: By setting up repair mechanism 2, it is convenient to repair the concrete cracks of the pipe pile. During repair, clamping ring 1 21 and clamping ring 22 are placed near the concrete crack. First, the T-shaped slider 24 connected to the bearing plate 25 is placed into the T-shaped groove 23 on clamping ring 1 21 or clamping ring 22. Then, clamping ring 1 21 and clamping ring 22 are fixed together with bolts and nuts. Then, the output end of electric actuator 214 is fixed together with the rubber plug 212 inside the storage cylinder 211. Electric actuator 214 and storage cylinder 211 are placed on support plate 27 and L-shaped plate 28. Then, the fixing ring 293 is rotated, and the insertion rod 295 is pulled at the same time. The insertion rod 295 drives the limiting plate 297 to slide on the inner wall of sleeve 294. And the limiting plate 297 compresses the spring 298. When the fixing ring 293 is completely in contact with the storage cylinder 211, the insertion rod 295 is released. The spring 298 pushes the limiting plate 297 and the insertion rod 295 to reset. The insertion rod 295 is inserted into the insertion hole 296. Then, a suitable material distribution plate 217 is selected according to the crack and fixed at the output end of the storage cylinder 211. The handwheel 216 is rotated. The handwheel 216 drives the screw 215 to rotate. The screw 215 drives the support plate 27 to approach the pipe pile body 1. Then, the repair filler is sent into the discharge cylinder through the external pump body and the corrugated feed pipe 218. The electric push rod 214 is started. The electric push rod 214 pushes the rubber plug 212 to slide inside the storage cylinder 211, so that the repair filler is discharged from the storage cylinder 211 to repair the crack.
[0040] By setting up the repair mechanism 2, cracks on the main body 1 of the pipe pile can be repaired without the need for workers to hold the storage cylinder 211 at all times, thus reducing the labor intensity of the workers. In addition, the device can be disassembled and reused, which effectively improves the practicality of the equipment.
Claims
1. A PHC pipe pile concrete crack microbial filling and repair device, comprising a pipe pile body (1) and a repair mechanism (2), characterized in that: The surface of the main body (1) of the pipe pile is provided with a clamping ring one (21) and a clamping ring two (22). The clamping ring one (21) and the clamping ring two (22) are symmetrically arranged. The lower surface of the clamping ring one (21) and the clamping ring two (22) is provided with a bearing plate (25). A support plate (27) is provided on the bearing plate (25). A storage cylinder (211) is placed on the upper surface of the support plate (27). The repair mechanism (2) is installed on the surface of the pipe pile body (1); The repair mechanism (2) includes a T-shaped groove (23) and a sliding groove (26); The T-shaped groove (23) is formed on the clamping ring one (21) and the clamping ring two (22). The inner wall of the T-shaped groove (23) is slidably connected to the T-shaped slider (24). The T-shaped slider (24) is fixedly connected to the upper surface of the bearing plate (25). The sliding groove (26) is formed on the groove bearing plate (25). The support plate (27) is slidably connected to the inner wall of the sliding groove (26).
2. The PHC pile concrete crack microbial filling and repairing device according to claim 1, characterized in that: The inner wall of the bearing plate (25) is rotatably connected to a lead screw (215), the lead screw (215) is threadedly connected to the support plate (27), there are two sets of support plates (27), a connecting plate (210) is fixedly connected between the two sets of support plates (27), and a handwheel (216) is fixedly connected to the surface of the lead screw (215).
3. The PHC pipe pile concrete crack microbial filling and repairing device according to claim 1, characterized in that: An L-shaped plate (28) is fixedly connected to the support plate (27). An electric push rod (214) is placed on the upper surface of the L-shaped plate (28). A rubber stopper (212) is fixedly connected to the inner wall of the storage cylinder (211). The output end of the electric push rod (214) is fixedly connected to the rubber stopper (212).
4. The PHC pile concrete crack microbial filling and repairing device according to claim 3, characterized in that: The storage cylinder (211) is provided with a material distribution plate (217) at one end near the main body of the pipe pile (1), and a corrugated feed pipe (218) is fixedly connected to the inner wall of the storage cylinder (211).
5. The PHC pile concrete crack microbial filling and repairing device according to claim 1, characterized in that: The upper surfaces of the support plate (27) and the L-shaped plate (28) are provided with clamping components (29). The clamping components (29) include fixing blocks (291). The fixing blocks (291) are fixedly connected to the upper surface of the support plate (27). There are two sets of fixing blocks (291), and a fixing shaft (292) is fixedly connected between the two sets of fixing blocks (291).
6. The PHC pile concrete crack microbial filling and repairing device according to claim 5, characterized in that: A fixing ring (293) is rotatably connected to the surface of the fixing shaft (292). An insertion hole (296) is provided at one end of the fixing ring (293) away from the fixing shaft (292). A sleeve (294) is fixedly connected to the upper surface of the support plate (27).
7. The PHC pile concrete crack microbial filling and repairing device according to claim 6, characterized in that: The inner wall of the sleeve (294) is slidably connected to a rod (295), the rod (295) is slidably connected to the inner wall of the insertion hole (296), a limiting plate (297) is fixedly connected to the surface of the rod (295), a spring (298) is provided on the surface of the rod (295), and the two ends of the spring (298) are fixedly connected to the limiting plate (297) and the inner wall of the sleeve (294) respectively. The spring (298) and the limiting plate (297) are both located inside the sleeve (294).