High-strength and high-bending-moment pipe pile

Abstract

The utility model discloses a high-strength and high-bending-moment pipe pile which comprises a connecting pipe pile, a connecting pipe a and a connecting pipe b, a core layer, a transition layer and a protective layer are sequentially arranged in the connecting pipe pile from inside to outside, fiber reinforcement layers are arranged among the core layer, the transition layer and the protective layer, the connecting pipe a is arranged at one end of the connecting pipe pile, and the connecting pipe b is arranged at the other end of the connecting pipe pile. The connecting pipe b is arranged at one end of the other connecting pipe pile, and the connecting pipe b and the connecting pipe a are connected with each other so as to connect the two connecting pipe piles. The connecting pipe pile, the connecting pipe a and the connecting pipe b are arranged, the bending resistance and the fatigue resistance of the pipe pile can be improved through the fiber reinforcement layers arranged among the core layer, the transition layer and the protection layer, when a plurality of connecting pipe piles are connected, the sliding blocks slide into the sliding grooves, the threaded grooves a are aligned with the threaded grooves b, and the connecting pipe pile is connected with the fiber reinforcement layers. And two connecting pipe piles can be quickly connected together.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe pile technical field, concretely to a high strength high bending moment pipe pile. BACKGROUND

[0002] ‌Pipe pile is a kind of foundation engineering component by steel pipe and concrete, mainly used to bear the load of building and transmit it to the ground.‌Pipe pile is installed in the ground by driving or vibrating sinking, to ensure the stability and safety of building.

[0003] The existing pipe pile is made of reinforced concrete, although the bearing capacity is high, but after being impacted by external force, it is easy to crack, and when connecting multiple pipe piles, the manual electric arc welding method is usually used to connect two pipe piles, this connection method not only consumes time and effort, but also is affected by the site environment and weather, reduces the connection efficiency between pipe piles. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a high strength high bending moment pipe pile to solve the above background art that the existing pipe pile is made of reinforced concrete, although the bearing capacity is high, but after being impacted by external force, it is easy to crack, and when connecting multiple pipe piles, the manual electric arc welding method is usually used to connect two pipe piles, this connection method not only consumes time and effort, but also is affected by the site environment and weather, reduces the connection efficiency between pipe piles.

[0005] To achieve the above object, the utility model provides the following technical scheme: a high strength high bending moment pipe pile, including connecting pipe pile, connecting pipe a and connecting pipe b:

[0006] The inside of the connecting pipe pile is sequentially provided with core layer, transition layer and protection layer from inside to outside, the core layer, transition layer and protection layer are each provided with fiber reinforced layer between layers, the connecting pipe a is arranged at one end of the connecting pipe pile, the connecting pipe a has a plurality of sliding grooves arranged in the inside of the connecting pipe a away from the one end of the connecting pipe pile, a plurality of threaded grooves a are arranged in the inside of the connecting pipe a, the connecting pipe b is arranged at one end of another connecting pipe pile, the connecting pipe b has a sliding block arranged at the one end away from the connecting pipe pile, a threaded groove b is arranged in the inside of the connecting pipe b, the sliding block is slidably connected with the sliding groove, the threaded groove b and the threaded groove a are penetrated by the same bolt to fix the position of the connecting pipe a and the connecting pipe b, the connecting pipe b and the connecting pipe a are connected with each other to connect two connecting pipe piles.

[0007] By adopting the technical scheme, the fiber reinforced layer arranged between the core layer, the transition layer and the protection layer improves the bending resistance and fatigue resistance of the pipe pile, so that the pipe pile can be applied to large infrastructure construction such as high-rise buildings and bridges in a larger range. When connecting multiple connecting pipe piles, the sliding block is slid into the sliding groove, the threaded groove a is aligned with the threaded groove b, and the connecting bolt is passed through the threaded groove a and the threaded groove b, so that the two connecting pipe piles can be quickly connected together.

[0008] Preferably, the core layer is made of high-strength steel material to provide main load-bearing capacity, and the core layer is located at the center of the connecting pipe pile with a thickness of about mm.

[0009] By adopting the technical scheme, the base stiffness and load-bearing capacity of the entire connecting pipe pile can be ensured.

[0010] Preferably, the transition layer is made of rubber material with good toughness to absorb and disperse energy, improve the impact resistance and fatigue resistance of the pipe pile, and the transition layer is wrapped outside the core layer with a thickness of about mm.

[0011] By adopting the technical scheme, a good energy absorption effect can be provided to improve the service life of the connecting pipe pile.

[0012] Preferably, the protection layer is made of corrosion-resistant and wear-resistant stainless steel material to prolong the service life of the connecting pipe pile, and the protection layer covers the fiber reinforced layer with a thickness of about mm.

[0013] By adopting the technical scheme, the influence of the external environment on the internal structure of the connecting pipe pile can be prevented.

[0014] Preferably, the fiber reinforced layer is arranged between the core layer and the transition layer and between the protection layer and the fiber reinforced layer, the bending moment is resisted by the tensile strength of the fiber, and the overall bending resistance is improved by the adhesion between the fiber and the concrete, and the thickness is about mm.

[0015] By adopting the technical scheme, the bending resistance and fatigue resistance of the connecting pipe pile can be improved.

[0016] Preferably, the connecting pipe a also has a clamping groove opened in the side surface of the sliding groove, and the side surface of the sliding block is provided with a clamping block which is clamped and connected with the clamping groove.

[0017] By adopting the technical scheme, the clamping block and the clamping groove can be clamped and connected with each other, so that the connecting pipe a and the connecting pipe b can be quickly connected together.

[0018] Preferably, the clamping groove is opened in six, and the six clamping grooves are arranged in a central rotational symmetry structure around the center of the connecting pipe a. The clamping block is provided with six, and the six clamping blocks are arranged in a central rotational symmetry structure around the center of the connecting pipe b.

[0019] By adopting the technical scheme, the strength when the connecting pipe a is connected with the connecting pipe b can be improved.

[0020] Preferably, the screw grooves a are arranged inside the sliding grooves and beside the clamping grooves, the screw grooves a are six in number and are arranged in a central rotationally symmetrical structure around the center of the connecting pipe a, the screw grooves b are arranged on the outer surface of the connecting pipe b, and the screw grooves b are six in number and are arranged in a central rotationally symmetrical structure around the center of the connecting pipe b.

[0021] By adopting the technical scheme, the connecting pipe a and the connecting pipe b can be quickly fixed by the bolt passing through the screw grooves a and the screw grooves b, so that the two connecting pipes can be connected together.

[0022] Compared with the prior art, the utility model has the advantages that: the fiber reinforced layer arranged between the core layer, the transition layer and the protective layer improves the bending resistance and fatigue resistance of the pipe pile, so that the pipe pile can be applied to large-scale infrastructure construction such as high-rise buildings and bridges in a larger range, the service life of the connecting pipe pile is prolonged, the maintenance and replacement frequency is reduced, the overall operation cost is reduced, the lightweight and low-cost design is realized through reasonable multilayer structure design, the construction difficulty and transportation cost are reduced, when connecting multiple connecting pipe piles, the sliding block is slid into the sliding groove, the screw grooves a are aligned with the screw grooves b, the connecting bolt is passed through the screw grooves a and the screw grooves b, the two connecting pipe piles can be quickly connected together, and the bending resistance and fatigue resistance of the connecting pipe pile are remarkably improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the application;

[0024] Figure 2 It is a schematic diagram of the local cross-sectional structure of the connecting pipe a and the connecting pipe b;

[0025] Figure 3 It is a schematic diagram of the structure of the connecting pipe b;

[0026] Figure 4 It is a schematic diagram of the structure of the connecting pipe a;

[0027] Figure 5 It is a schematic diagram of the local cross-sectional structure of the connecting pipe a and the connecting pipe b;

[0028] Figure 6 It is a schematic diagram of the cross-sectional structure of the connecting pipe pile.

[0029] In the figure: 1, connecting pipe pile; 101, core layer; 102, transition layer; 103, protective layer; 104, fiber reinforced layer; 2, connecting pipe a; 201, sliding groove; 202, clamping groove; 203, threaded groove a; 3, connecting pipe b; 301, sliding block; 302, clamping block; 303, threaded groove b. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. EMBODIMENT

[0031] Please refer to Figure 1 , Figure 2 and Figure 3 , the embodiment provides a technical scheme: a high-strength high-bending-moment pipe pile, comprising a connecting pipe pile 1, a connecting pipe a 2 and a connecting pipe b 3:

[0032] The inside of the connecting pipe pile 1 is sequentially provided from inside to outside with a core layer 101, a transition layer 102 and a protective layer 103, and the core layer 101, the transition layer 102 and the protective layer 103 are each provided with a fiber reinforced layer 104 between layers, the connecting pipe a 2 is arranged at one end of the connecting pipe pile 1, the connecting pipe a 2 has a plurality of sliding grooves 201 arranged in the inside of the end of the connecting pipe a 2 away from the connecting pipe pile 1, the inside of the connecting pipe a 2 is provided with a plurality of threaded grooves a 203, the connecting pipe b 3 is arranged at one end of the other connecting pipe pile 1, the connecting pipe b 3 has a sliding block 301 arranged at the end away from the connecting pipe pile 1, the inside of the connecting pipe b 3 is provided with a threaded groove b 303, the sliding block 301 is in sliding connection with the sliding groove 201, and the threaded groove b 303 and the threaded groove a 203 are penetrated by the same bolt to fix the positions of the connecting pipe a 2 and the connecting pipe b 3, the connecting pipe b 3 and the connecting pipe a 2 are connected to each other to connect two connecting pipe piles 1, the fiber reinforced layer 104 arranged between the core layer 101, the transition layer 102 and the protective layer 103 improves the bending resistance and fatigue resistance of the pipe pile, so that the pipe pile can be applied to large-scale infrastructure construction such as high-rise buildings and bridges in a larger range, when a plurality of connecting pipe piles 1 are connected, the sliding block 301 is slid into the sliding groove 201, the threaded groove a 203 is aligned with the threaded groove b 303, and the bolt for connection is penetrated through the threaded groove a 203 and the threaded groove b 303, so that the two connecting pipe piles 1 can be quickly connected together. EMBODIMENT

[0033] Please refer to Figure 1 , Figure 2 andFigure 6 The embodiment provides a technical scheme: a high-strength high-bending-moment pipe pile, which comprises a connecting pipe pile 1:

[0034] The core layer 101 is made of high-strength steel material and provides main bearing capacity, the core layer 101 is located at the center of the connecting pipe pile 1 and has a thickness of about 5 mm, and the base rigidity and bearing capacity of the whole connecting pipe pile 1 can be ensured; the transition layer 102 is made of rubber material with good toughness and can absorb and disperse energy, improve the impact resistance and fatigue resistance of the pipe pile, the transition layer 102 is wrapped outside the core layer 101 and has a thickness of about 10 mm, so that good energy absorption effect can be provided and the service life of the connecting pipe pile 1 is improved; the protection layer 103 is made of stainless steel material which is corrosion resistant and wear resistant and can prolong the service life of the connecting pipe pile 1, the protection layer 103 covers the fiber reinforced layer 104 and has a thickness of about 2 mm, so that the influence of the external environment on the internal structure of the connecting pipe pile 1 can be prevented; the fiber reinforced layer 104 is arranged between the core layer 101 and the transition layer 102 and between the protection layer 103 and the fiber reinforced layer 104, the bending moment is resisted by the tensile strength of the fiber, and the overall bending resistance is improved by the adhesive action of the fiber and the concrete, and the fiber reinforced layer 104 has a thickness of about 3 mm, so that the bending resistance and fatigue resistance of the connecting pipe pile 1 are improved. Embodiment

[0035] Please refer to Figure 3 , Figure 4 and Figure 5 The embodiment provides a technical scheme: a high-strength high-bending-moment pipe pile, which comprises a connecting pipe pile 1, a connecting pipe a2 and a connecting pipe b3:

[0036] The sliding groove 201 is provided with a clamping groove 202 on the side, the sliding block 301 is provided with a clamping block 302 on the side, the clamping block 302 is clamped and connected with the clamping groove 202, the clamping block 302 and the clamping groove 202 can be clamped with each other, the connecting pipe a2 and the connecting pipe b3 can be quickly connected together, the clamping groove 202 is provided with six, the six clamping grooves 202 are arranged in a central rotational symmetry structure around the center of the connecting pipe a2, the clamping block 302 is provided with six, the six clamping blocks 302 are arranged in a central rotational symmetry structure around the center of the connecting pipe b3, the strength of the connecting pipe a2 and the connecting pipe b3 during connection can be improved, the threaded groove a203 is arranged in the inside of the sliding groove 201 and beside the clamping groove 202, the threaded groove a203 is provided with six, the six threaded grooves a203 are arranged in a central rotational symmetry structure around the center of the connecting pipe a2, the threaded groove b303 is located on the outer surface of the connecting pipe b3, the threaded groove b303 is provided with six, the six threaded grooves b303 are arranged in a central rotational symmetry structure around the center of the connecting pipe b3, the connecting pipe a2 and the connecting pipe b3 can be quickly fixed by the bolt passing through the threaded groove a203 and the threaded groove b303, so that the two connecting pipe piles 1 can be connected together.

[0037] Working principle: first, in the connection of two connecting pipe pile 1, by sliding the slider 301 into the chute 201, and rotating the whole connecting pipe b3, so that the clamping block 302 is clamped into the clamping groove 202, the clamping groove 202 is opened on the side of the chute 201, the side of the slider 301 is provided with the clamping block 302, the clamping block 302 is connected with the clamping groove 202, the clamping block 302 and the clamping groove 202 can be connected quickly, the clamping groove 202 is opened with six, six clamping grooves 202 are arranged around the center of connecting pipe a2 in central rotational symmetry structure, six clamping blocks 302 are arranged around the center of connecting pipe b3 in central rotational symmetry structure, the strength of connecting pipe a2 and connecting pipe b3 can be improved when connecting, then six bolts are passed through threaded groove a203 and threaded groove b303, the connecting pipe a2 and the connecting pipe b3 can be fixed quickly, so that two connecting pipe piles 1 can be connected together, the connecting pipe pile 1 improves the bending resistance and fatigue resistance of the pipe pile through the fiber reinforced layer 104 arranged between the core layer 101, the transition layer 102 and the protection layer 103, so that it can be applied in a larger range in high-rise buildings, bridges and other large infrastructure construction, through reasonable multi-layer structure design, light weight and low cost are realized, the construction difficulty and transportation cost are reduced, the service life of the connecting pipe pile 1 is prolonged, the maintenance and replacement frequency is reduced, and the overall operation cost is reduced.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-strength high-bending-moment pipe pile, characterized by, The utility model relates to a connecting pipe pile (1) which is internally provided with a core layer (101), a transition layer (102) and a protective layer (103) from inside to outside in sequence, and a fiber reinforced layer (104) is arranged between each layer of the core layer (101), the transition layer (102) and the protective layer (103). The utility model relates to a connecting pipe a (2) which is arranged at one end of the connecting pipe pile (1), has a plurality of sliding grooves (201) arranged in the interior of the end of the connecting pipe a (2) away from the connecting pipe pile (1), and has a plurality of threaded grooves a (203) arranged in the interior of the connecting pipe a (2). The utility model relates to a connecting pipe b (3) which is arranged at one end of the other connecting pipe pile (1), has a sliding block (301) arranged at the end away from the connecting pipe pile (1), has a threaded groove b (303) arranged in the interior of the connecting pipe b (3), and is slidably connected with the sliding groove (201), the threaded groove b (303) and the threaded groove a (203) are penetrated by the same bolt to fix the positions of the connecting pipe a (2) and the connecting pipe b (3), and the connecting pipe b (3) and the connecting pipe a (2) are connected with each other to connect the two connecting pipe piles (1). The core layer (101) is made of high-strength steel material to provide main load-bearing capacity, is located at the central part of the connecting pipe pile (1), and has a thickness of about 5mm.

2. The high-strength high-moment pipe pile according to claim 1, characterized in that: The transition layer (102) is made of rubber material with good toughness to absorb and disperse energy, improve the impact resistance and fatigue resistance of the pipe pile, is wrapped outside the core layer (101), and has a thickness of about 10mm.

3. The high-strength high-moment pipe pile according to claim 1, characterized in that: The protective layer (103) is made of stainless steel material with corrosion resistance and wear resistance to prolong the service life of the connecting pipe pile (1), covers the fiber reinforced layer (104), and has a thickness of about 2mm.

4. The high-strength high-moment pipe pile according to claim 1, characterized in that: The fiber reinforced layer (104) is arranged between the core layer (101) and the transition layer (102) and between the protective layer (103) and the fiber reinforced layer (104), resists bending moment through the tensile strength of the fiber, improves the overall bending resistance by the adhesion between the fiber and the concrete, and has a thickness of about 3mm.

5. The high-strength high-moment pipe pile according to claim 1, characterized in that: The connecting pipe a (2) further has a clamping groove (202) arranged at the side of the sliding groove (201), the side of the sliding block (301) is provided with a clamping block (302), and the clamping block (302) is clamped and connected with the clamping groove (202).

6. The high-strength high-moment pipe pile according to claim 1, characterized in that: The clamping groove (202) is arranged in six, the six clamping grooves (202) are arranged in a central rotational symmetry structure around the center of the connecting pipe a (2), the clamping block (302) is arranged in six, and the six clamping blocks (302) are arranged in a central rotational symmetry structure around the center of the connecting pipe b (3).

7. A high-strength high-moment pipe pile according to claim 6, characterized in that: ​ 8. The high-strength high-moment pipe pile according to claim 1, characterized in that: The screw groove a (203) is arranged in the inner part of the sliding groove (201) and beside the clamping groove (202), the screw groove a (203) is arranged with six, six screw grooves a (203) are arranged in the center rotation symmetry structure around the center of the connecting pipe a (2), the screw groove b (303) is arranged on the outer surface of the connecting pipe b (3), the screw groove b (303) is arranged with six, six screw grooves b (303) are arranged in the center rotation symmetry structure around the center of the connecting pipe b (3).

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