Grout leakage combined prevention and control system for boulder stratum pile foundation construction

Abstract

The utility model provides a slurry leakage combined prevention and control system for boulder stratum pile foundation construction. The slurry leakage combined prevention and control system comprises a fixed section steel casing arc-shaped stiffening ring structure, an adjustable section steel casing arc-shaped stiffening ring structure, a fixed section steel casing adjustable limiting device structure and an adjustable section steel casing adjustable limiting device structure. The segmental steel casing arc stiffening ring structure is adopted, stability of the steel casing can be guaranteed, the overall stability and strength of the steel casing are effectively enhanced, external pressure can be effectively resisted, the deformation risk is reduced, meanwhile, the service life of the steel casing can be prolonged, and the maintenance cost is reduced; the adjustable steel casing limiting device is adopted, displacement and inclination of the steel casing in construction are effectively avoided through accurate limiting, construction safety and quality are ensured, meanwhile, the device can be repeatedly used, cost is reduced, flexible adjustment can be achieved according to different construction requirements, the device is suitable for steel casings of various specifications, installation is convenient, assembling and disassembling can be rapidly completed, and the device is suitable for popularization and application. The construction time is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pile foundation engineering field especially isolated stone stratum pile foundation construction slurry leakage combination prevention and control system. BACKGROUND

[0002] In pile foundation construction, when isolated stone stratum is encountered, the serious problem of slurry leakage often exists. Isolated stone has the characteristics of uneven distribution, irregular shape, high hardness, etc. In the process of drilling or grouting, slurry is easily leaked through the gap between isolated stone and surrounding stratum, the crack inside isolated stone, and the gap between the wall of the drill hole and the drill rod or grouting pipe, etc. This not only leads to the waste of slurry and increases the construction cost, but also may affect the construction progress and quality of the project. For example, in tunnel grouting reinforcement, slurry leakage may make the reinforcement effect not meet the design requirements, thereby affecting the stability and safety of the tunnel. In order to solve the problem of slurry leakage in isolated stone stratum, improve the quality and efficiency of engineering construction, and reduce the construction cost and environmental impact, an isolated stone stratum slurry leakage combination prevention and control system is urgently needed to ensure the smooth progress of engineering construction and reliable guarantee of engineering quality. SUMMARY

[0003] The purpose of the utility model is to provide an isolated stone stratum pile foundation construction slurry leakage combination prevention and control system which solves the above technical problems.

[0004] To solve the above technical problems, the utility model provides an isolated stone stratum pile foundation construction slurry leakage combination prevention and control system, which comprises a fixed segment steel casing arc stiffening ring structure, an adjustable segment steel casing arc stiffening ring structure, a fixed segment steel casing adjustable limiting device structure, and an adjustable segment steel casing adjustable limiting device structure. The fixed segment steel casing arc stiffening ring structure comprises a fixed segment steel casing top arc stiffening ring, a fixed segment steel casing bottom arc stiffening ring, a lifting hole opened on the side of the fixed segment steel casing top arc stiffening ring, and a lifting rope for connecting the lifting hole and the crawler crane. The top and bottom of the segment steel casing are respectively fixed with the fixed segment steel casing top arc stiffening ring and the fixed segment steel casing bottom arc stiffening ring. The crawler crane lifts the fixed segment steel casing through the lifting hole and the lifting rope.

[0005] Further, the adjustable segment steel casing arc stiffening ring structure comprises an adjustable segment steel casing top arc stiffening ring, an adjustable segment steel casing bottom arc stiffening ring, a lifting hole opened on the side of the adjustable segment steel casing top arc stiffening ring, and a lifting rope for connecting the lifting hole and the crawler crane. The top and bottom of the adjustable segment steel casing are respectively provided with the adjustable segment steel casing top arc stiffening ring and the adjustable segment steel casing bottom arc stiffening ring. After the construction of the fixed segment steel casing is completed, the crawler crane lifts the adjustable segment steel casing through the lifting hole and the lifting rope.

[0006] Further, the adjustable limiting device structure of the fixed segment steel casing comprises a fixed segment steel casing top arc stiffening ring, a steel casing limiting frame, an adjustable steel casing limiting arc plate and an adjusting device, the steel casing limiting frame is fixed by a steel casing limiting frame anchor plate and a steel casing limiting frame anchor rod outside the fixed segment steel casing top arc stiffening ring at the top of the fixed segment steel casing, a plurality of steel casing limiting frame anchor plates are connected to the opposite sides of the steel casing limiting frame, a plurality of adjusting devices are installed opposite to the steel casing limiting frame, and the adjustable steel casing limiting arc plate is connected in the adjusting device.

[0007] Further, the adjustable limiting device structure of the fixed segment steel casing comprises a fixed segment steel casing top arc stiffening ring, a steel casing limiting frame, an adjustable steel casing limiting arc plate and an adjusting device, the steel casing limiting frame is fixed by a steel casing limiting frame anchor plate and a steel casing limiting frame anchor rod outside the fixed segment steel casing top arc stiffening ring at the top of the fixed segment steel casing, a plurality of steel casing limiting frame anchor plates are connected to the opposite sides of the steel casing limiting frame, a plurality of adjusting devices are installed opposite to the steel casing limiting frame, and the adjustable steel casing limiting arc plate is connected in the adjusting device.

[0008] The utility model has the advantages that:

[0009] (1) The utility model adopts the segmented steel casing arc stiffening ring structure, which can ensure the stability of the steel casing under complex geological conditions, effectively enhance the overall stability and strength of the steel casing, effectively resist external pressure, reduce the risk of deformation, prolong the service life of the steel casing, and reduce the maintenance cost.

[0010] (2) The utility model adopts the adjustable steel casing limiting device, which can accurately limit the displacement and inclination of the steel casing during construction, ensure the safety and quality of construction, and be repeatedly used to reduce the cost, and can be flexibly adjusted according to different construction requirements, adapt to steel casings of various specifications, and be convenient to install, can be quickly assembled and disassembled, and save construction time. DRAWINGS

[0011] Figure 1 It is a fixed segment steel casing arc stiffening ring structure schematic view;

[0012] Figure 2 It is a fixed segment steel casing arc stiffening ring structure schematic view;

[0013] Figure 3 It is a fixed segment steel casing adjustable limiting device structure schematic view;

[0014] Figure 4 It is a fixed segment steel casing adjustable limiting device structure schematic view.

[0015] In the figure: 1 - fixed segment steel casing, 2 - fixed segment steel casing top arc stiffening ring, 3 - fixed segment steel casing bottom arc stiffening ring, 4 - adjustable segment steel casing, 5 - adjustable segment steel casing top arc stiffening ring, 6 - adjustable segment steel casing bottom arc stiffening ring, 7 - hoisting hole, 8 - hoisting rope, 9 - crawler crane, 10 - steel casing limiting frame, 11 - steel casing limiting frame anchor plate, 12 - steel casing limiting frame anchor rod, 13 - adjustable steel casing limiting arc plate, 14 - adjusting device. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0017] Those skilled in the art should understand that in the disclosure of the present application, the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation on the present application.

[0018] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0019] As Figures 1-4 The present application provides a kind of isolated rock stratum pile construction leakage control system for preventing, including fixed segment steel casing arc stiffening ring structure, adjustable segment steel casing arc stiffening ring structure, fixed segment steel casing adjustable limiting device structure, adjustable segment steel casing adjustable limiting device structure;The fixed segment steel casing arc stiffening ring structure includes fixed segment steel casing top arc stiffening ring 2, fixed segment steel casing bottom arc stiffening ring 3, hoisting hole 7 being opened in the side of fixed segment steel casing top arc stiffening ring 2, hoisting rope 8 for connecting hoisting hole 7 and crawler crane 9, fixed segment steel casing top arc stiffening ring 2 and fixed segment steel casing bottom arc stiffening ring 3 are respectively welded in the top and bottom of fixed segment steel casing 1, fixed segment steel casing 1 is hoisted by crawler crane 9 through hoisting hole 7, hoisting rope 8.

[0020] The arc stiffening ring structure of the adjusting section steel casing includes an adjusting section steel casing top arc stiffening ring 5, an adjusting section steel casing bottom arc stiffening ring 6, a hoisting hole 7 provided on the side of the adjusting section steel casing top arc stiffening ring 5, and a hoisting rope 8 for connecting the hoisting hole 7 and the crawler crane 9. The adjusting section steel casing top arc stiffening ring 5 and the adjusting section steel casing bottom arc stiffening ring 6 are welded on the top and bottom of the adjusting section steel casing 4, respectively. After the construction of the fixed section steel casing 1 is completed, the adjusting section steel casing 4 is hoisted by the crawler crane 9 through the hoisting hole 7 and the hoisting rope 8.

[0021] The adjustable limiting device structure of the fixed section steel casing includes a fixed section steel casing top arc stiffening ring 2, a steel casing limiting frame 10, an adjustable steel casing limiting arc plate 13, and an adjusting device 14. The steel casing limiting frame 10 is fixedly installed at a predetermined position outside the fixed section steel casing top arc stiffening ring 2 on the top of the fixed section steel casing 1 through the steel casing limiting frame anchor plate 11 and the steel casing limiting frame anchor rod 12. The side of the steel casing limiting frame 10 is welded to the six steel casing limiting frame anchor plates 11 arranged in pairs. Six adjusting devices 14 are installed on the steel casing limiting frame 10 in pairs. The adjustable steel casing limiting arc plate 13 is connected to the adjusting device 14. The adjustable steel casing limiting arc plate 13 is adjusted by adjusting the adjusting device 14, achieving the purpose of limiting the fixed section steel casing 1.

[0022] The adjusting device 14 is in threaded cooperation with the steel casing limiting frame 10, and the adjustable steel casing limiting arc plate 13 is in rotational cooperation with the adjusting device 14. When the adjusting device 14 rotates relative to the steel casing limiting frame 10, the adjustable steel casing limiting arc plate 13 approaches or moves away from the fixed section steel casing 1, so that the several adjustable steel casing limiting arc plates 13 abut against the outer periphery of the fixed section steel casing 1 to limit it.

[0023] The adjustable limiting device structure of the adjusting section steel casing 4 includes an adjusting section steel casing top arc stiffening ring 5, a steel casing limiting frame 10, an adjustable steel casing limiting arc plate 13, and an adjusting device 14. The steel casing limiting frame 10 is fixedly installed at a predetermined position outside the adjusting section steel casing top arc stiffening ring 5 on the top of the adjusting section steel casing 4 through the steel casing limiting frame anchor plate 11 and the steel casing limiting frame anchor rod 12. The side of the steel casing limiting frame 10 is welded to the six steel casing limiting frame anchor plates 11 arranged in pairs. Six adjusting devices 14 are installed on the steel casing limiting frame 10 in pairs. The adjustable steel casing limiting arc plate 13 is connected to the adjusting device 14. The adjustable steel casing limiting arc plate 13 is adjusted by adjusting the adjusting device 14, achieving the purpose of limiting the adjusting section steel casing 4.

[0024] The utility model is not limited to the above best implementation, and any person can draw other various forms of products under the enlightenment of the utility model, but no matter any change in its shape or structure, all the technical schemes with same or similar to the application fall in the protection scope of the utility model.

Claims

1. A combined prevention and control system for grout leakage during pile foundation construction in boulder strata, characterized in that: The application relates to a fixed-section steel casing arc-shaped stiffening ring structure, an adjustable-section steel casing arc-shaped stiffening ring structure, a fixed-section steel casing adjustable limiting device structure and an adjustable-section steel casing adjustable limiting device structure.

2. The slurry leakage combined prevention and control system for boulder stratum pile foundation construction according to claim 1, characterized in that: The adjustable-section steel casing arc-shaped stiffening ring structure comprises a top adjustable-section steel casing arc-shaped stiffening ring (5), a bottom adjustable-section steel casing arc-shaped stiffening ring (6), a lifting hole (7) arranged on the side of the top adjustable-section steel casing arc-shaped stiffening ring (5), a lifting rope (8) used for connecting the lifting hole (7) and a crawler crane (9), the top adjustable-section steel casing arc-shaped stiffening ring (5) and the bottom adjustable-section steel casing arc-shaped stiffening ring (6) are arranged on the top and the bottom of the adjustable-section steel casing (4) respectively, and the crawler crane (9) lifts the adjustable-section steel casing (4) through the lifting hole (7) and the lifting rope (8) after the fixed-section steel casing (1) is completed.

3. The slurry leakage combined prevention and control system for boulder stratum pile foundation construction according to claim 1, characterized in that: The adjustable-section steel casing arc-shaped stiffening ring structure comprises a top adjustable-section steel casing arc-shaped stiffening ring (5), a bottom adjustable-section steel casing arc-shaped stiffening ring (6), a lifting hole (7) arranged on the side of the top adjustable-section steel casing arc-shaped stiffening ring (5), a lifting rope (8) used for connecting the lifting hole (7) and a crawler crane (9), the top adjustable-section steel casing arc-shaped stiffening ring (5) and the bottom adjustable-section steel casing arc-shaped stiffening ring (6) are arranged on the top and the bottom of the adjustable-section steel casing (4) respectively, and the crawler crane (9) lifts the adjustable-section steel casing (4) through the lifting hole (7) and the lifting rope (8) after the fixed-section steel casing (1) is completed.

4. The boulder stratum pile construction grout leakage combined prevention and control system according to claim 1, characterized in that: The adjustable-section steel casing arc-shaped stiffening ring structure comprises a top adjustable-section steel casing arc-shaped stiffening ring (5), a bottom adjustable-section steel casing arc-shaped stiffening ring (6), a lifting hole (7) arranged on the side of the top adjustable-section steel casing arc-shaped stiffening ring (5), a lifting rope (8) used for connecting the lifting hole (7) and a crawler crane (9), the top adjustable-section steel casing arc-shaped stiffening ring (5) and the bottom adjustable-section steel casing arc-shaped stiffening ring (6) are arranged on the top and the bottom of the adjustable-section steel casing (4) respectively, and the crawler crane (9) lifts the adjustable-section steel casing (4) through the lifting hole (7) and the lifting rope (8) after the fixed-section steel casing (1) is completed. The adjustable-section steel casing arc-shaped stiffening ring structure comprises a top adjustable-section steel casing arc-shaped stiffening ring (5), a bottom adjustable-section steel casing arc-shaped stiffening ring (6), a lifting hole (7) arranged on the side of the top adjustable-section steel casing arc-shaped stiffening ring (5), a lifting rope (8) used for connecting the lifting hole (7) and a crawler crane (9), the top adjustable-section steel casing arc-shaped stiffening ring (5) and the bottom adjustable-section steel casing arc-shaped stiffening ring (6) are arranged on the top and the bottom of the adjustable-section steel casing (4) respectively, and the crawler crane (9) lifts the adjustable-section steel casing (4) through the lifting hole (7) and the lifting rope (8) after the fixed-section steel casing (1) is completed.

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