Prefabricated pipe pile construction device adopting hoop limiters and well lattice positioning

Abstract

The utility model discloses a prefabricated pipe pile construction device adopting hoop limiters and well lattice positioning, which relates to the technical field of pile foundation construction and comprises a fixed bottom plate, a well lattice fixing frame arranged on the fixed bottom plate and a well lattice fixing frame, a prefabricated pipe pile penetrates through the fixed bottom plate, and the hoop limiters are arranged between the prefabricated pipe pile and the well lattice fixing frame. The positioning assembly is arranged between the hoop limiter and the well cell fixing frame; according to the prefabricated pipe pile construction device adopting the hoop limiter and the well lattice for positioning, deviation generated in the driving process of the prefabricated pipe pile can be avoided, so that the positioning precision of the upper section pile in the pile splicing process of the prefabricated pipe pile is ensured, the stress performance and the structural stability of the whole pile body are ensured, and then the stability of the whole building structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pile foundation construction technical field, concretely is the prefabricated pipe pile construction device of hoop limiter and well grid positioning is adopted. BACKGROUND

[0002] Pile foundation is the foundation support of building structure, and its construction quality is directly related to the safety and stability of the whole project. Prefabricated pipe pile is widely used in pile foundation engineering because of its advantages such as fast construction speed, high bearing capacity and low cost.

[0003] However, in the actual construction process, due to the complex geological conditions, the soil strength of different soil layers is quite different, so that the prefabricated pipe pile is easy to deviate in the process of driving. Especially in the process of pile connection of prefabricated pipe pile, the slight deviation of the lower section pile will directly affect the positioning accuracy of the upper section pile, thereby affecting the stress performance and structural stability of the whole pile body, and further affecting the stability of the whole building structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing prefabricated pipe pile construction device of hoop limiter and well grid positioning is adopted, can avoid the deviation of prefabricated pipe pile in the process of driving, thereby ensuring the positioning accuracy of the upper section pile in the process of pile connection of prefabricated pipe pile, ensuring the stress performance and structural stability of the whole pile body, and further improving the stability of the whole building structure.

[0005] The above-mentioned optimization structure of the utility model is realized by the following technical scheme: prefabricated pipe pile construction device of hoop limiter and well grid positioning is adopted, including fixed bottom plate;

[0006] Well grid fixing frame, the well grid fixing frame is arranged on the fixed bottom plate, the well grid fixing frame, the fixed bottom plate are equipped with prefabricated pipe pile;

[0007] Hoop limiter, the hoop limiter is arranged between the prefabricated pipe pile and the well grid fixing frame;

[0008] Positioning assembly, the positioning assembly is arranged between the hoop limiter and the well grid fixing frame.

[0009] In some embodiments, the well grid fixing frame includes two horizontally arranged horizontal square rods;

[0010] Two longitudinal square rods, two longitudinal square rods are symmetrically arranged between two horizontal square rods.

[0011] In some embodiments, the hoop limiter includes a hoop ring, and the hoop ring is sleeved on the prefabricated pipe pile;

[0012] Two limiting plates, two said limiting plates are symmetrically arranged on the hoop ring, and the bottom surface of the limiting plate is attached to the top surface of the well grid fixing frame.

[0013] In some embodiments, the hoop ring comprises two symmetric arc-shaped plates, and a limiting plate is vertically arranged in the middle of the arc-shaped plate.

[0014] An ear plate is arranged at both ends of the arc-shaped plate.

[0015] A connecting bolt is arranged through the adjacent two ear plates.

[0016] A fastening nut is screw-connected with the connecting bolt.

[0017] In some embodiments, the bottom of the ear plate is flush with the bottom of the limiting plate.

[0018] In some embodiments, a reinforcing plate is arranged between the arc-shaped plate and the limiting plate, and between the ear plate and the arc-shaped plate.

[0019] In some embodiments, the arc of the arc-shaped plate is 180°.

[0020] In some embodiments, the positioning assembly comprises a positioning groove arranged on the well grid fixing frame.

[0021] A first positioning plate is arranged at the bottom of the limiting plate and is insertedly connected with the positioning groove.

[0022] A second positioning plate is arranged at the bottom of the ear plate, and two second positioning plates are insertedly connected with the positioning groove.

[0023] In summary, the utility model has the following beneficial effects:

[0024] The utility model closely attaches the hoop ring to the prefabricated pipe pile, realizes the connection of the hoop limiting device and the prefabricated pipe pile, prevents the movement of the hoop ring in the vertical direction by attaching the limiting plate to the top surface of the well grid fixing frame, and limits the movement of the hoop limiting device on the well grid fixing frame in the horizontal direction by the inserted connection of the first positioning plate, the second positioning plate and the positioning groove, thereby limiting the movement of the prefabricated pipe pile in the horizontal direction, ensuring the perpendicularity and position accuracy of the prefabricated pipe pile in the pile connection process, avoiding the deviation of the center of gravity of the pile body, making the internal tensile stress and compressive stress of the pile body more uniform when bearing the axial pressure, thereby improving the structural performance and bearing capacity of the pile body and guaranteeing the quality of pile foundation construction. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 It is a structural schematic diagram of the utility model;

[0026] Fig. 2 is a schematic view of the connection between the fixed bottom plate and the well grid fixing frame of the utility model;

[0027] Fig. 3 is a schematic view of the structure of the utility model's hoop limiter.

[0028] In the drawing: 1, fixed bottom plate; 2, well grid fixing frame; 21, horizontal square rod; 22, vertical square rod; 3, prefabricated pipe pile; 4, hoop limiter; 41, hoop ring; 411, arc plate; 412, ear plate; 413, connecting bolt; 414, fastening nut; 42, limiting plate; 5, positioning assembly; 51, positioning groove; 52, first positioning plate; 53, second positioning plate; 6, reinforcing plate. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figs. 1-3 , the prefabricated pipe pile construction device adopting the hoop limiter and well grid positioning comprises a fixed bottom plate 1, a well grid fixing frame 2, a hoop limiter 4 and a positioning assembly 5. The fixed bottom plate 1 is a basic support component of the whole device and can be placed on the ground to provide a horizontal reference in the prefabricated pipe pile construction process. The fixed bottom plate 1 can be made of a steel plate or cast with concrete to ensure that it has sufficient strength and stability. The well grid fixing frame 2 is arranged on the fixed bottom plate 1 and can form a stable well grid structure. The well grid fixing frame 2 and the fixed bottom plate 1 can be fixed firmly by welding, bolt connection or other ways to ensure the stability of the relative position between the two. The prefabricated pipe pile 3 is arranged through the well grid fixing frame 2 and the fixed bottom plate 1, which facilitates subsequent pile foundation construction. The diameter and length of the prefabricated pipe pile 3 can be selected according to actual construction requirements. The hoop limiter 4 is arranged between the prefabricated pipe pile 3 and the well grid fixing frame 2. The positioning assembly 5 is arranged between the hoop limiter 4 and the well grid fixing frame 2 and can realize the relative fixation of the hoop limiter 4 on the well grid fixing frame 2, thereby improving the stability of the hoop limiter 4 in the limiting and guiding process of the prefabricated pipe pile 3.

[0031] In some embodiments, the well grid fixing frame 2 comprises two parallel transverse square bars 21 and two longitudinal square bars 22, which are symmetrically arranged between the two transverse square bars 21 to form a stable well grid structure, thereby improving the stability of the precast pipe pile 3 during construction. The transverse square bars 21 and the longitudinal square bars 22 can be made of high-strength materials such as steel or aluminum alloy to ensure that they can withstand various loads during construction.

[0032] In some embodiments, the hoop limiter 4 comprises a hoop ring 41 and two limiting plates 42. The hoop ring 41 is sleeved on the precast pipe pile 3 and directly contacts and tightly holds the precast pipe pile 3. The two limiting plates 42 are symmetrically arranged on the hoop ring 41, and the bottom surface of the limiting plate 42 is attached to the top surface of the well grid fixing frame 2. The well grid fixing frame 2 can support and limit the limiting plate 42, thereby limiting the vertical displacement of the hoop ring 41 and preventing the hoop ring 41 from descending with the precast pipe pile 3 during the deepening process of the precast pipe pile 3. The limiting plate 42 can be made of a steel plate with an appropriate thickness, and its length and width are designed according to the size of the hoop ring 41 and the well grid fixing frame 2 to ensure that it can provide sufficient support area and connection strength.

[0033] In some embodiments, the hoop ring 41 comprises two symmetric arc-shaped plates 411, ear plates 412, connecting bolts 413, and fastening nuts 414. The limiting plate 42 is vertically arranged in the middle of the arc-shaped plate 411, and the ear plate 412 is arranged at both ends of the arc-shaped plate 411 to connect the two arc-shaped plates 411. The connecting bolt 413 penetrates through the adjacent two ear plates 412, and the fastening nut 414 is screwed with the connecting bolt 413. By adjusting the fastening nut 414 and the connecting bolt 413, the installation and disassembly between the hoop ring 41 and the precast pipe pile 3 can be facilitated, thereby improving the construction efficiency. Meanwhile, the tightness of the connecting bolt 413 can be adjusted to adjust the holding force of the hoop ring 41 on the precast pipe pile 3.

[0034] In some embodiments, the bottom of the ear plate 412 can be flush with the bottom of the limiting plate 42, so that the adjacent two ear plates 412 can act as a limiting plate 42, thereby increasing the contact area between the limiting plate 42 and the surface of the well grid fixing frame 2 and increasing the support points between the hoop ring 41 and the well grid fixing frame 2, thereby improving the limiting effect.

[0035] In some embodiments, a reinforcing plate 6 is further provided, which is arranged between the arc-shaped plate 411 and the limiting plate 42, and between the ear plate 412 and the arc-shaped plate 411. The reinforcing plate 6 can be made of a triangular or trapezoidal steel plate and can be connected by welding. The reinforcing plate 6 can enhance the overall strength of the hoop limiter 4 and prevent it from deforming or being damaged during construction.

[0036] In some embodiments, the arc of the arc-shaped plate 411 can be 180°, which can enable the two arc-shaped plates 411 to closely fit the circumferential surface of the prefabricated pipe pile 3 after being combined, thereby providing uniform gripping force. The arc-shaped plate 411 can be made of steel material with high strength and toughness to ensure that it can withstand the pressure and friction of the prefabricated pipe pile 3 during construction, while ensuring that it will not be deformed or damaged.

[0037] In some embodiments, the positioning assembly 5 includes a positioning slot 51, a first positioning plate 52, and a second positioning plate 53. The positioning slot 51 is provided on the well grid fixing frame 2, and two parallel positioning plates are provided on one side of each of the two transverse square bars 21 and the two longitudinal square bars 22, forming the positioning slot 51 between the two positioning plates. The first positioning plate 52 is provided at the bottom of the limiting plate 42 and can be made of a rectangular steel plate. The first positioning plate 52 is inserted into the positioning slot 51 and provides stable positioning support for the hoop limiter 4. The second positioning plate 53 is provided at the bottom of the lug plate 412 and is inserted into the positioning slot 51. The size and shape of the two combined second positioning plates 53 are designed according to the size of the lug plate 412 and the requirements of the positioning slot 51, ensuring that they can work together with the first positioning plate 52 to accurately position the hoop limiter 4, thereby further accurately fixing the position of the prefabricated pipe pile 3.

[0038] The specific construction process is as follows:

[0039] First, according to the planning and design requirements of the construction site, determine the installation position of the fixed bottom plate 1. At the installation position, clean the ground of debris and ensure that the ground is level and solid. Then, use the pre-buried anchor bolt method to fix the fixed bottom plate 1 to the ground. When pre-buried anchor bolts, ensure their verticality and positional accuracy. The level of the fixed bottom plate can be adjusted using a level or other measuring tools to ensure the installation accuracy of subsequent components.

[0040] Assemble the two transverse square bars 21 and the two longitudinal square bars 22 according to the design requirements to form a well grid-shaped frame. After assembly, hoist the well grid fixing frame 2 onto the fixed bottom plate 1 so that it is aligned with the pre-designed installation position on the fixed bottom plate, and then firmly connect the well grid fixing frame to the fixed bottom plate through welding or bolt connection.

[0041] The assembled hoop ring 41 is sleeved on the precast pipe pile 3, then the two arc-shaped plates 411 are connected through the connecting bolts 413 and the fastening nuts 414, the tightening degree between the connecting bolts 413 and the fastening nuts 414 is adjusted, the hoop ring 41 applies appropriate clamping force to the pipe pile, then the position of the hoop ring 41 is adjusted, the bottom surface of the limiting plate 42 is attached to the top surface of the well lattice fixing frame 2, meanwhile the first positioning plate 52 and the two second positioning plates 53 are respectively inserted into the corresponding positioning grooves 51, the precise positioning and connection of the hoop limiting device and the well lattice fixing frame are realized.

[0042] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A precast pipe pile construction device using clamp limiters and grid positioning, characterized in that: Including the fixed base plate (1); Well grid fixing frame (2), the well grid fixing frame (2) is set on the fixed base plate (1), and the well grid fixing frame (2) and the fixed base plate (1) are provided with precast pipe piles (3). A clamp limiter (4) is provided between the precast pipe pile (3) and the well grid fixing frame (2); Positioning component (5), which is located between the clamp limiter (4) and the well grid fixing frame (2).

2. The precast pipe pile construction device using clamp limiters and well grid positioning as described in claim 1, characterized in that: The grid fixing frame (2) includes two parallel horizontal square bars (21); Two longitudinal square bars (22) are symmetrically arranged between two transverse square bars (21).

3. The precast pipe pile construction device using clamp limiters and well grid positioning as described in claim 1, characterized in that: The clamp limiter (4) includes a clamp ring (41), which is sleeved on the precast pipe pile (3); Two limiting plates (42) are symmetrically arranged on the clamp ring (41), and the bottom surface of the limiting plate (42) is in contact with the top surface of the well grid fixing frame (2).

4. The precast pipe pile construction device using clamp limiters and grid positioning as described in claim 3, characterized in that: The clamp ring (41) includes two symmetrical arc-shaped plates (411), and the limiting plate (42) is vertically provided in the middle of the arc-shaped plate (411). Ear plates (412) are provided at both ends of the arc-shaped plate (411); A connecting bolt (413) passes through two adjacent ear plates (412). A fastening nut (414) is screwed into the connecting bolt (413).

5. The precast pipe pile construction device using clamp limiter and grid positioning as described in claim 4, characterized in that: The bottom of the ear plate (412) is flush with the bottom of the limiting plate (42).

6. The precast pipe pile construction device using clamp limiters and well grid positioning as described in claim 4, characterized in that: It also includes a reinforcing plate (6), which is disposed between the arc plate (411) and the limiting plate (42), and between the ear plate (412) and the arc plate (411).

7. The precast pipe pile construction device using clamp limiters and well grid positioning as described in claim 4, characterized in that: The arc of the arc plate (411) is 180°.

8. The precast pipe pile construction device using clamp limiters and well grid positioning as described in claim 4, characterized in that: The positioning component (5) includes a positioning groove (51), which is disposed on the grid fixing frame (2); The first positioning plate (52) is located at the bottom of the limiting plate (42) and is inserted into the positioning groove (51); The second positioning plate (53) is located at the bottom of the ear plate (412), and the two second positioning plates (53) are inserted into the positioning groove (51).

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