Annular pile body pouring device for large-diameter hollow pile

Abstract

The utility model discloses an annular pile body pouring device for a large-diameter hollow pile. The annular pile body pouring device comprises an annular pile body (1), a supporting plate (2) is arranged on the pile body (1), a support (3) is arranged on the supporting plate (2), a flow guiding device (4) for guiding the flowing direction of concrete is arranged in the support (3), and a collecting hopper (5) located above the flow guiding device (4) is arranged on the support (3). The flow guiding device (4) comprises a center disc (41) and a flow guiding channel (42) arranged on the outer side of the center disc (41), the end of the flow guiding channel (42) points to the annular pile body (1), concrete falling from the collecting hopper (5) is guided into the annular pile body (1) through the flow guiding device (4), and multi-point pouring of the annular pile body (1) can be achieved through the flow guiding device (4) with the crossways in multiple directions. The concrete rises more uniformly in the annular pile body (1), and it is ensured that the concrete surface is lifted consistently.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction. Specifically, the utility model relates to a pouring device for the annular pile body of a large-diameter hollow pile. Background Technique

[0002] A large-diameter hollow pile is a pile foundation structural form that changes the traditional solid pile into an annular cross-section, achieving the reduction of concrete consumption, the reduction of the self-weight of the pile body, and the increase of the friction area of the pile body, thereby improving the bearing capacity of the pile foundation. The biggest feature of the large-diameter hollow pile is its annular pile body. Due to its large diameter, large pouring volume, and special structure, its pouring difficulty is high, the quality control difficulty is high, and the construction safety risk is high.

[0003] At present, there are few construction cases of large-diameter hollow piles at home and abroad, and a complete and controllable concrete pouring process for the annular pile body has not been formed. The commonly used pouring method is still similar to that of traditional solid piles: lowering the conduit → pouring concrete → lifting the conduit → removing the pipe section → continuing to pour concrete until completion.

[0004] In a published specification with the patent number 202010523962.0 and a publication date of October 2, 2020, a self-retaining large-diameter concrete hollow pipe column foundation is disclosed, which includes an annular dense mesh steel reinforcement cage skeleton and an underwater annular retaining wall. The annular dense mesh steel reinforcement cage skeleton is fabricated by binding inner and outer layer longitudinal main reinforcements, inner and outer layer circumferential stirrups, inner and outer layer circumferential stiffening ribs, radial ribs, inner and outer layer positioning ribs, and inner and outer layer annular dense meshes in a factory or on-site; the underwater annular retaining wall is formed by pouring underwater non-separating self-compacting quick-setting concrete into the gap between the outer layer annular dense mesh and the borehole wall. During the pile body pouring, the stability of the borehole wall soil is maintained through the underwater annular retaining wall structure, thereby ensuring the quality of the bottom slag cleaning of the borehole and the forming quality of the pile body concrete; and during the pile body pouring, no external large-scale formwork is required, and the pile body pouring and forming can be completed only by relying on its own structure and a light inner formwork, solving the problems of the fabrication, hoisting, and recycling of large-scale formwork, and greatly reducing the project cost.

[0005] For large-diameter hollow piles, due to their large pile diameters, when pouring concrete, it is necessary to ensure that the concrete surface rises uniformly at all parts. Therefore, it is necessary to measure the height of the concrete surface at all times by means of a sounding rope or the like, and adjust the rising speed of the concrete surface by adjusting the amount of concrete poured through each conduit. However, because the traditional circular pile body pouring process cannot ensure that the amount of concrete poured through each conduit is consistent, it is necessary to continuously measure and adjust the amount of concrete poured into each conduit, resulting in low construction efficiency. Moreover, due to the difficulty in controlling the consistency of the rising of the concrete surface, it is easy to cause poor quality of the pile body concrete pouring. Secondly, for large-diameter hollow piles, due to their large diameters, multiple conduits need to be poured simultaneously. The traditional process requires multiple pump trucks or crane hoppers for pouring. With a large number of devices, the cost is high. In addition, when multiple devices are used simultaneously, the risk of cross-operation between them is large. Finally, due to the large diameter and large adjacent area of large-diameter hollow piles, the safety risk is high for workers to operate the lifting conduits, remove pipe joints and pour concrete in the traditional process. Summary of the Utility Model

[0006] The utility model aims to provide a pouring device for the circular pile body of a large-diameter hollow pile with high safety, convenient construction and good pouring effect.

[0007] In order to achieve the above object, the technical solution adopted by the utility model is: a pouring device for the circular pile body of a large-diameter hollow pile, which includes an annular pile body. A support plate is provided on the pile body, a bracket is provided on the support plate, a diversion device for guiding the flow direction of concrete is provided inside the bracket, and a hopper is provided on the bracket above the diversion device.

[0008] The diversion device includes a central disc and a diversion channel provided on the outer side of the disc. The end of the diversion channel points to the annular pile body, and the end of the diversion channel inclines towards the pile body. The central disc is located below the hopper.

[0009] A funnel is provided inside the pile body, a conduit located inside the pile body is provided at the bottom of the funnel, and the funnel is located below the end of the diversion channel.

[0010] The diversion channels are evenly distributed along the outer edge of the disc.

[0011] A support seat is provided below the central disc, and a support rod is provided between the support seat and the diversion channel.

[0012] The support seat is a cylinder, and the support seat is hinged on the support frame.

[0013] An installation frame is provided at the end of the support seat, and the installation frame is clamped inside the central disc.

[0014] A sealing plate is provided on the hopper, and a lever switch for controlling the opening and closing of the sealing plate is provided on the side of the hopper.

[0015] The technical effects of the present utility model are as follows: By adopting the device for pouring the annular pile body of a large-diameter hollow pile, the defects of difficult control of the consistent rise of the concrete surface, many construction equipments, and high safety risks during the concrete pouring of the annular pile body of the traditional large-diameter hollow pile are overcome; by using this device, the construction risk can be reduced, the cost investment can be decreased, the construction difficulty can be lowered, and the concrete pouring quality can be significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] This specification includes the following drawings, and the shown contents are respectively:

[0017] Figure 1 It is a schematic structural diagram of a device for pouring the annular pile body of a large-diameter hollow pile of the present utility model;

[0018] Figure 2 It is Figure 1 a schematic diagram of a funnel of a device for pouring the annular pile body of a large-diameter hollow pile in

[0019] Figure 3 It is Figure 1 a schematic diagram of an aggregate hopper of a device for pouring the annular pile body of a large-diameter hollow pile in

[0020] Figure 4 It is Figure 1 a schematic diagram of the assembly of an aggregate hopper and a support of a device for pouring the annular pile body of a large-diameter hollow pile in

[0021] Figure 5 It is Figure 1 a schematic diagram of a diversion device of a device for pouring the annular pile body of a large-diameter hollow pile in

[0022] Figure 6 It is Figure 1 a schematic diagram of a drainage channel of a device for pouring the annular pile body of a large-diameter hollow pile in

[0023] Figure 7 It is Figure 1 a front view installation frame schematic diagram of a device for pouring the annular pile body of a large-diameter hollow pile in

[0024] Figure 8 It is Figure 1 a top view installation frame schematic diagram of a device for pouring the annular pile body of a large-diameter hollow pile in

[0025] Figure 9 It is Figure 1 a sectional view schematic diagram of a support plate of a device for pouring the annular pile body of a large-diameter hollow pile in

[0026] Figure 10 It is Figure 1 a schematic diagram of the deflection rotation of a diversion device of a device for pouring the annular pile body of a large-diameter hollow pile in

[0027] The marks in the figure are: 1, pile body; 2, support plate; 3, bracket; 4, diversion device; 41, central disc; 42, drainage channel; 43, support base; 44, support rod; 45, mounting frame; 5, aggregate hopper; 6, funnel; 7, conduit; 8, sealing plate; 9, lever switch. Detailed implementation manners

[0028] The following is a more detailed description of the specific implementation manners of the present utility model by referring to the accompanying drawings and describing the embodiments, aiming to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present utility model and facilitate its implementation.

[0029] Please refer to Figure 1-10 , a large-diameter hollow pile annular pile body pouring device, including an annular pile body 1, a support plate 2 is provided on the pile body 1, a bracket 3 is provided on the support plate 2, a diversion device 4 for guiding the flow direction of concrete is provided inside the bracket 3, and an aggregate hopper 5 is provided on the bracket 3 above the diversion device 4; by using the diversion device 4, the concrete falling from the aggregate hopper 5 is guided into the annular pile body 1, and through the diversion device 4 with multi-directional branch channels, multi-point pouring of the annular pile body 1 can be realized, so that the concrete rises more uniformly in the annular pile body 1, ensuring that the concrete surface rises uniformly.

[0030] The diversion device 4 includes a central disc 41 and drainage channels 42 arranged on the outer side of the disc. The end of the drainage channel 42 points to the annular pile body 1, and the end of the drainage channel 42 is inclined towards the pile body 1. The central disc 41 is located below the aggregate hopper 5; the concrete falling from the aggregate hopper 5 enters the central disc 41 and then flows into the annular pile body 1 along the drainage channels 42 to complete the pouring of the annular pile body 1.

[0031] A funnel 6 is provided inside the pile body 1, a conduit 7 located inside the pile body 1 is provided at the bottom of the funnel 6, and the funnel 6 is located below the end of the drainage channel 42; the concrete falling from the drainage channel 42 falls into the funnel 6 and enters the annular pile body 1 along the conduit 7, reducing the occurrence of concrete splashing.

[0032] The drainage channels 42 are evenly distributed along the outer edge of the disc; making the concrete surface in the pile body rise uniformly and reducing unevenness.

[0033] A support base 43 is provided below the central disc 41, and a support rod 44 is provided between the support base 43 and the drainage channels 42; the drainage channels 42 are supported by the support base 43 and the support rod 44 to prevent collapse.

[0034] The support seat 43 is a cylinder, and the support seat 43 is hinged on the support frame; after the concrete surface of the large-diameter pile body 1 is lifted to a certain height, the material supply is stopped, the collecting hopper 5 is closed, the drainage channel 42 is rotated, the port of the drainage channel 42 is staggered with the funnel 6, the funnel 6 and the conduit 7 are lifted, the pipe section is removed, and then the funnel 6 is reinstalled, and the drainage channel 42 is rotated again to make the port of the drainage channel 42 correspond to the funnel 6, and the concrete pouring is continued until the concrete pouring of the pile body 1 is completed, which is convenient for the construction personnel to operate.

[0035] A mounting frame 45 is provided at the end of the support seat 43 , and the mounting frame 45 is clamped in the center disk 41 ; the center disk 41 is fixed on the support seat 43 through the mounting frame 45 , so that the center disk 41 can rotate.

[0036] A sealing plate 8 is provided on the collecting hopper 5 , and a lever switch 9 for controlling the opening and closing of the sealing plate 8 is provided on the side of the collecting hopper 5 ; the sealing plate 8 is controlled by the lever switch 9 , thereby controlling the dropping of the collecting hopper 5 .

[0037] The technical effect of the utility model is as follows: the device for casting the annular pile body 1 of a large-diameter hollow pile is adopted to overcome the shortcomings of the traditional large-diameter hollow pile annular pile body 1, such as difficulty in controlling the uniform lifting of the concrete surface, large number of construction equipment and high safety risks during concrete casting; the use of the device can reduce construction risks, reduce cost investment, reduce construction difficulty and significantly improve the quality of concrete casting.

[0038] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A large diameter hollow pile annular pile body casting device, comprising an annular pile body (1), characterized in that: The pile body (1) is provided with a support plate (2), the support plate (2) is provided with a bracket (3), a flow guide device (4) for guiding the flow direction of concrete is provided in the bracket (3), and a collecting hopper (5) located above the flow guide device (4) is provided on the bracket (3).

2. A large diameter hollow pile annular pile casting device according to claim 1, characterized in that: The flow guide device (4) comprises a central disk (41) and a drainage channel (42) arranged outside the disk, the end of the drainage channel (42) points to the annular pile body (1), the end of the drainage channel (42) is inclined in the direction of the pile body (1), and the central disk (41) is located below the collecting hopper (5).

3. A large diameter hollow pile annular pile casting device according to claim 2, characterized in that: A funnel (6) is provided in the pile body (1), a conduit (7) located in the pile body (1) is provided at the bottom of the funnel (6), and the funnel (6) is located below the end of the drainage channel (42).

4. A large diameter hollow pile annular pile casting device according to claim 2, characterized in that: The drainage channels (42) are evenly distributed along the outer edge of the disk.

5. A large diameter hollow pile annular pile casting device according to claim 2, characterized in that: A support seat (43) is provided below the central disk (41), and a support rod (44) is provided between the support seat (43) and the drainage channel (42).

6. A large diameter hollow pile annular pile casting device according to claim 5, characterized in that: The support seat (43) is a cylinder, and the support seat (43) is hinged on the support frame.

7. A large diameter hollow pile annular pile casting device according to claim 5, characterized in that: A mounting frame (45) is provided at the end of the support seat (43), and the mounting frame (45) is clamped in the center plate (41).

8. The large diameter hollow pile annular pile casting device according to claim 1, characterized in that: The collecting hopper (5) is provided with a sealing plate (8), and the side of the collecting hopper (5) is provided with a lever switch (9) for controlling the opening and closing of the sealing plate (8).

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