An assembled anti-seismic steel pipe concrete pipe pile

Abstract

The utility model discloses an assembled anti-seismic steel pipe concrete pipe pile relates to engineering construction technical field, aims at solving the current concrete pipe pile under the condition of long time vibration and easily appearing the technical problem of metal fatigue to cause the performance reduction, including stable structure and pile body, the stable structure installs the connecting place between the steel bar and the ferrule on the pile body, the stable structure includes the node connecting plate, the node connecting plate middle has opened the vertical pipe positioning slot for installing the steel bar, the positioning plate is opened and has the rope groove, is equipped with the connecting rope in the rope groove, the one end of connecting rope is connected with the shock attenuation pile in the pile body away from the positioning plate, the utility model discloses a stable structure through the design, thereby realizes the purpose of installing the shock attenuation structure in the pile body, effectively reduces the resonance condition of the external vibration to take place, thereby reduced the fatigue degree of metal material high strength vibration in the anti-seismic steel pipe concrete pipe pile, reduces the performance reduction condition of the metal material of fatigue failure to take place.

Description

Technical Field

[0001] This utility model relates to the field of engineering construction technology, and more specifically, to a prefabricated earthquake-resistant steel-concrete composite pipe pile. Background Technology

[0002] Prestressed concrete pipe piles are hollow cylindrical precast piles, mainly composed of high-strength concrete, prestressed steel bars (usually PC steel bars), end plates, and steel sleeves. Seismic steel-concrete pipe piles are a high-performance pile foundation form that combines the material properties of steel pipes and concrete, and are particularly suitable for building projects with high seismic performance requirements.

[0003] Current methods for earthquake-resistant steel-concrete composite piles focus on improving the materials themselves to achieve seismic resistance. However, under prolonged or intense vibrations, even high-strength materials can experience fatigue failure, leading to a decrease in seismic performance. Therefore, we propose a prefabricated earthquake-resistant steel-concrete composite pile. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a prefabricated seismic-resistant steel-concrete pipe pile to solve the technical problem that current concrete pipe piles are prone to metal fatigue and performance degradation under long-term vibration.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a prefabricated seismic-resistant steel-concrete composite pipe pile, comprising a stabilizing structure and a pile body. The stabilizing structure is installed at the connection between the steel rod and the sleeve on the pile body. The stabilizing structure includes a node connecting plate. The node connecting plate has a vertical pipe positioning groove in the middle for installing the steel rod. The front end of the node connecting plate is provided with a symmetrical traction hook. The side of the node connecting plate has a slot structure, and a limiting plate for limiting the position of the steel rod is connected in the slot. A limiting groove is opened between the limiting plate and the node connecting plate. A limiting rod is connected to the traction hook. A positioning plate is fixedly connected to the limiting rod. A rope groove is opened on the positioning plate. A connecting rope is provided in the rope groove. The end of the connecting rope away from the positioning plate is connected to a shock-absorbing pile located in the pile body.

[0006] Preferably, the middle part of the node connecting plate is provided with a transverse arc-shaped groove for fitting the sleeve at the rear end of the vertical pipe positioning groove. The arc-shaped groove is connected to the vertical pipe positioning groove, and the shape of the vertical pipe positioning groove matches the shape of the corresponding position of the steel bar.

[0007] Preferably, the side slot of the node connecting plate is provided with a closed plate with an elastic rotating structure. The closed plate is in the shape of a right triangle, and the right angle surface of the closed plate is opposite to the insertion direction of the limiting plate.

[0008] Preferably, the limiting plate has a groove in the middle that corresponds to the positioning groove of the vertical pipe for locking the steel rod, the upper positioning groove of the limiting plate matches the closing plate, and the limiting groove is rectangular in shape.

[0009] Preferably, a positioning wheel is provided on the outer side of the limiting rod, and a side plate is provided between the inner side of the limiting rod and the positioning plate. The diameter of the limiting rod is smaller than the diameter of the side plate and the positioning wheel. The positioning plate is composed of two inclined symmetrical plates that are horizontally attached at the symmetrical point and fixed by screws. The rope groove is located at the horizontally attached position of the symmetrical point.

[0010] Preferably, the shock-absorbing pile is installed in the upper middle position inside the cavity of the pile body. The top and upper outer positions of the shock-absorbing pile are suspended by several connecting ropes at the connection between the two adjacent layers of steel bars and the sleeve of the pile body. The lower outer position of the shock-absorbing pile is suspended by several connecting ropes at the connection between the single layer of steel bars and the sleeve of the pile body. The relative lengths of the several connecting ropes connecting different positions of the shock-absorbing pile are the same.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model designs a stable structure that connects to the steel rod and sleeve of the pile body. After being connected and fixed by a node connecting plate, it is secured by a limiting plate to ensure that the connection point between the steel rod and sleeve will not loosen. At the same time, a limiting rod is installed at the traction hook position on the node connecting plate, and a positioning plate is connected through the limiting rod. Then, the connecting rope is installed in the rope groove on the positioning plate, and the positioning plate is locked with screws, thereby locking the connecting rope. The connecting rope is then used to connect and fix the shock-absorbing pile, ensuring the internal connection stability of the shock-absorbing pile. This achieves the purpose of installing a shock-absorbing structure inside the pile body, effectively reducing the resonance caused by external vibration. This reduces the fatigue of the metal materials in the seismic-resistant steel-concrete pipe pile under high-intensity vibration, improves the service strength, and reduces the performance degradation of the metal materials caused by fatigue failure. It solves the technical problem that current concrete pipe piles are prone to metal fatigue and performance degradation under long-term vibration.

[0012] 2. This utility model also designs a shock-absorbing pile, which is installed inside the pile body through a stabilizing structure and is connected to the stabilizing structure by a connecting rope. This increases the overall weight of the pile body while simulating a damping structure. Together with the stabilizing structure, it ensures the stability of the pile body and reduces internal vibration when the pile body shakes, thereby improving the overall stability of the pipe pile. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2This is a schematic diagram showing the installation position of the stable structure of this utility model; Figure 3 This is a schematic diagram of the stable structure of this utility model; Figure 4 This is a schematic diagram of the stable structure of this utility model.

[0014] The following are the labeling instructions in the diagram: 100, pile body; 200, stabilizing structure; 210, node connection plate; 211, vertical pipe positioning groove; 212, traction hook; 213, sealing plate; 214, arc groove; 220, limiting plate; 221, limiting groove; 230, positioning plate; 231, positioning wheel; 232, rope groove; 233, limiting rod; 300, shock-absorbing pile; 310, connecting rope. Detailed Implementation

[0015] like Figures 1 to 4 As shown, this utility model relates to a prefabricated seismic-resistant steel-concrete composite pipe pile, including a stabilizing structure 200 and a pile body 100. The stabilizing structure 200 is installed at the connection between the steel bar and the sleeve on the pile body 100. The stabilizing structure 200 includes a node connecting plate 210. The node connecting plate 210 has a vertical pipe positioning groove 211 for installing the steel bar in the middle. The front end of the node connecting plate 210 is provided with symmetrical traction hooks 212. The side of the node connecting plate 210 is grooved. The structure has a hole, and a limiting plate 220 for limiting the position of the steel bar is connected inside the hole. A limiting groove 221 is opened between the limiting plate 220 and the node connecting plate 210. A limiting rod 233 is connected to the traction hook 212. A positioning plate 230 is fixedly connected to the limiting rod 233. A rope groove 232 is opened on the positioning plate 232. A connecting rope 310 is provided in the rope groove 232. The end of the connecting rope 310 away from the positioning plate 230 is connected to a shock-absorbing pile 300 located in the pile body 100.

[0016] This utility model designs a stable structure 200, which is connected to the steel bar and sleeve of the pile body 100 at the connection point. After being connected and fixed by the node connecting plate 210, it is secured by the limiting plate 220 to ensure that the connection point between the steel bar and the sleeve will not loosen. At the same time, a limiting rod 233 is installed at the position of the traction hook 212 on the node connecting plate 210. The positioning plate 230 is connected through the limiting rod 233. Then, the connecting rope 310 is installed in the rope groove 232 on the positioning plate 230. The positioning plate 230 is locked with screws, thereby securing the connecting rope. 310 is locked, and then the shock-absorbing pile 300 is connected and fixed through the connecting rope 310 to ensure the internal connection stability of the shock-absorbing pile 300. This achieves the purpose of installing a shock-absorbing structure inside the pile body 100, effectively reducing the occurrence of resonance caused by external vibration. This reduces the fatigue of metal materials in the seismic steel-concrete pipe pile under high-intensity vibration, improves the service strength, and reduces the occurrence of fatigue failure that reduces the performance of metal materials. This solves the current technical problem that concrete pipe piles are prone to metal fatigue and performance degradation under long-term vibration.

[0017] This utility model also designs a vibration-damping pile 300, which is installed inside the pile body 100 via a stabilizing structure 200 and is connected to the stabilizing structure 200 by a connecting rope 310. This increases the overall weight of the pile body 100 while simulating a damping structure. Together with the stabilizing structure 200, it ensures the pile body 100's stability within the pile body 100, thereby reducing internal vibrations when the pile body 100 shakes and improving the overall stability of the pipe pile. Specifically, the middle part of the node connecting plate 210 is located at the rear end of the vertical pipe positioning groove 211 and has a transverse arc-shaped groove 214 for fitting the sleeve. The arc-shaped groove 214 communicates with the vertical pipe positioning groove 211, and the shape of the groove body of the vertical pipe positioning groove 211 matches the corresponding position shape of the steel bar. The transverse arc-shaped groove 214 ensures relative restriction of the position of the sleeve, which facilitates the installation and fixing of the node connecting plate 210. At the same time, the vertical pipe positioning groove 211 facilitates the position restriction of the steel bar, improves the fit of the installation, and reduces the occurrence of size mismatch after installation.

[0018] Furthermore, the side slot of the node connecting plate 210 is provided with a closed plate 213 with an elastic rotating structure. The closed plate 213 is in the shape of a right triangle, and the right angle surface of the closed plate 213 is opposite to the insertion direction of the limiting plate 220. The closed plate 213 adopts an elastic structure, which makes it easy for the limiting plate 220 to spring back after insertion, thereby fixing the relative position of the limiting plate 220 and improving the installation stability.

[0019] It is worth noting that the middle of the limiting plate 220 has a groove that corresponds to and matches the vertical tube positioning groove 211 for locking the steel bar. The upper limiting groove 221 of the limiting plate 220 matches and corresponds to the closing plate 213. The limiting groove 221 is rectangular in shape. The groove and the vertical tube positioning groove 211 cooperate to cover the entire steel bar, improving the integrity. At the same time, the limiting groove 221 achieves the limiting operation through the closing plate 213, improving the position restriction performance and improving the integrity.

[0020] It is worth mentioning that a positioning wheel 231 is provided on the outer side of the limiting rod 233, and a side plate is provided between the inner side of the limiting rod 233 and the positioning plate 230. The diameter of the limiting rod 233 is smaller than the diameter of the side plate and the positioning wheel 231. The positioning plate 230 is composed of two inclined symmetrical plates that are horizontally attached at the symmetrical point and fixed by screws. The rope groove 232 is located at the horizontal attachment position of the symmetrical point. The positioning wheel 231 and the side plate work together with the limiting rod 233 to fix its position, reducing the occurrence of left and right swaying. At the same time, the overall structure of the positioning plate 230 facilitates the connection of the upper and lower plates and the connection and fixation of the connecting rope 310, improving the connection stability of the connecting rope 310 and the installation stability of the positioning plate 230, while reducing the installation difficulty.

[0021] It is worth noting that the damping pile 300 is installed in the upper middle position inside the cavity of the pile body 100. The top and upper outer positions of the damping pile 300 are suspended by several connecting ropes 310 at the connection between the two adjacent layers of steel bars and the sleeve of the pile body 100. The lower outer position of the damping pile 300 is suspended by several connecting ropes 310 at the connection between the single layer of steel bars and the sleeve of the pile body 100. The relative lengths of the several connecting ropes 310 at different positions of the damping pile 300 are the same. The damping pile 300 is connected to the stabilizing structure 200 through the connecting ropes 310. At the same time, it is installed by using two layers of connection at the top and one layer of connection at the bottom. This ensures the traction performance at the top while reducing the occurrence of excessive swaying at the bottom, improving the damping performance and ensuring the stability of the damping pile 300 inside the pile body 100.

[0022] Working principle: This embodiment provides a prefabricated seismic-resistant steel-concrete composite pipe pile. In use, after the steel bar and sleeve on the pile body 100 are fixed by spot welding, the stabilizing structure 200 is installed. The node connecting plate 210 is inserted into the connection between the steel bar and the sleeve, and then the limiting plate 220 is inserted so that the closing plate 213 is locked and fixed to the position of the limiting plate 220. Then the limiting plate 220 is locked by the limiting rod 233 at the traction hook 212. The connecting rope 310 is fixed in the rope groove 232. Then the positioning plate 230 is fixed by screws. Then the connecting rope 310 is connected and fixed to the shock-absorbing pile 300, thus installing and fixing the shock-absorbing pile 300. Two layers of stabilizing structure 200 are installed on the top of the shock-absorbing pile 300, and one layer of stabilizing structure 200 is installed at the bottom of the shock-absorbing pile 300.

[0023] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A prefabricated seismic-resistant steel-concrete composite pipe pile, characterized in that, The system includes a stabilizing structure (200) and a pile body (100). The stabilizing structure (200) is installed at the connection between the steel bar and the sleeve on the pile body (100). The stabilizing structure (200) includes a node connecting plate (210). The node connecting plate (210) has a vertical pipe positioning groove (211) in the middle for installing the steel bar. The front end of the node connecting plate (210) is provided with symmetrical traction hooks (212). The side of the node connecting plate (210) has a slot structure, and the slot is connected to a device for limiting the position of the steel bar. A limiting plate (220) is provided, and a limiting groove (221) is opened between the limiting plate (220) and the node connecting plate (210). A limiting rod (233) is connected to the traction hook (212), and a positioning plate (230) is fixedly connected to the limiting rod (233). A rope groove (232) is opened on the positioning plate (230), and a connecting rope (310) is provided in the rope groove (232). One end of the connecting rope (310) away from the positioning plate (230) is connected to a shock-absorbing pile (300) located in the pile body (100).

2. The prefabricated seismic-resistant steel-concrete composite pipe pile according to claim 1, characterized in that, The middle part of the node connecting plate (210) is located at the rear end of the vertical pipe positioning groove (211) and has a transverse arc groove (214) for fitting the sleeve. The arc groove (214) is connected to the vertical pipe positioning groove (211), and the shape of the groove of the vertical pipe positioning groove (211) matches the shape of the corresponding position of the steel bar.

3. The prefabricated seismic-resistant steel-concrete composite pipe pile according to claim 2, characterized in that, The side slot of the node connecting plate (210) is provided with a closed plate (213) with an elastic rotating structure. The closed plate (213) is a right-angled triangle structure, and the right-angled surface of the closed plate (213) is opposite to the insertion direction of the limiting plate (220).

4. The prefabricated seismic-resistant steel-concrete composite pipe pile according to claim 3, characterized in that, The limiting plate (220) has a groove in the middle that corresponds to the vertical pipe positioning groove (211) for locking the steel rod. The limiting plate (220) has a limiting groove (221) that matches the closing plate (213). The limiting groove (221) is rectangular in shape.

5. A prefabricated seismic-resistant steel-concrete composite pipe pile according to claim 1, characterized in that, The limiting rod (233) has a positioning wheel (231) on its outer side, and a side plate is provided between the inner side of the limiting rod (233) and the positioning plate (230). The diameter of the limiting rod (233) is smaller than the diameter of the side plate and the positioning wheel (231). The positioning plate (230) is composed of two inclined symmetrical plates that are horizontally attached at the symmetrical point and fixed by screws. The rope groove (232) is located at the horizontal attachment position of the symmetrical point.

6. The prefabricated seismic-resistant steel-concrete composite pipe pile according to claim 1, characterized in that, The shock-absorbing pile (300) is installed in the upper middle position inside the cavity of the pile body (100). The top and upper outer positions of the shock-absorbing pile (300) are suspended by several connecting ropes (310) at the connection between the two adjacent layers of steel bars and the sleeve of the pile body (100). The lower outer position of the shock-absorbing pile (300) is suspended by several connecting ropes (310) at the connection between the single layer of steel bars and the sleeve of the pile body (100). The relative lengths of the several connecting ropes (310) connecting different positions of the shock-absorbing pile (300) are the same.

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