Pile top elevation accurate control and chiseling-free structure

Abstract

The utility model discloses a pile top elevation accurate control and chiseling-free structure which comprises a steel reinforcement cage, the steel reinforcement cage comprises a plurality of vertically-arranged main reinforcements, a customized circular ring is installed at the pile top elevation position of the steel reinforcement cage, penetrating holes are formed in the positions, corresponding to the main reinforcements, of the customized circular ring, the main reinforcements penetrate through the penetrating holes, and the main reinforcements penetrate through the penetrating holes. The customized circular ring and the main ribs are bound and positioned through binding wires, a guide pipe receding hole allowing a pouring guide pipe to pass through is formed in the center of the customized circular ring, the top face of the customized circular ring is of a smooth structure, a plurality of transverse ribs and longitudinal ribs which are crisscrossed are arranged on the bottom face of the customized circular ring, and the customized circular ring, the transverse ribs and the longitudinal ribs are of an integrated structure. The customized circular rings, the transverse ribs and the longitudinal ribs are all made of elastic materials. The technical problems that in the prior art, the elevation of a protection pile is not easy to control, and the pile head chiseling quality cannot be guaranteed are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building technical field especially relates to a pile top elevation accurate control and exempt from to dig structure. BACKGROUND

[0002] When the pile top of the rotary dig cast-in-place pile needs to be broken, the pile top elevation of all piles needs to be determined by the survey personnel and is handed over to the team for cutting and breaking. However, in the process of cutting, breaking and digging of the team, the traditional construction method cannot strictly control the pile top elevation, which inevitably causes damage to the pile head concrete and the main reinforcement at the pile top elevation, and further causes insufficient anchoring depth of the pile head and the main reinforcement into the corbel, thereby affecting the quality of the support project. Therefore, a structure that is easy to manufacture, simple to operate and has obvious effect is needed to eliminate the influence caused by the traditional construction method, so as to maximize the protection of the pile head concrete and the main reinforcement at the pile top elevation, ensure that the anchoring depth of the pile head and the main reinforcement into the corbel meets the requirements, and ensure the pile head digging quality. SUMMARY

[0003] The utility model discloses a kind of pile top elevation accurate control and exempt from to dig structure, solve the technical problem that protection pile elevation is not easy to control and pile head digging quality cannot be guaranteed in the prior art.

[0004] The utility model discloses the technical scheme that the technical problem is solved is as follows:

[0005] A kind of pile top elevation accurate control and exempt from to dig structure, comprising: reinforcement cage, the reinforcement cage includes several vertical main reinforcement, the reinforcement cage is installed with custom-made ring at pile top elevation, the custom-made ring is provided with through hole at position corresponding with main reinforcement, the main reinforcement passes through from through hole, the custom-made ring and main reinforcement are positioned by binding with wire, the custom-made ring center is provided with the guide pipe avoiding hole for pouring guide pipe to pass through, the top surface of the custom-made ring is smooth structure, the bottom surface of the custom-made ring is provided with several longitudinal and transverse ribs, the custom-made ring, transverse rib and longitudinal rib are integrated structure, the custom-made ring, transverse rib and longitudinal rib are all made of elastic material.

[0006] The utility model discloses a kind of pile top elevation accurate control and exempt from to dig structure, the outer diameter of the custom-made ring is greater than the sum of the thickness of protective layer and the outer diameter of reinforcement cage, and exceed the thickness of protective layer more than twice.

[0007] The utility model discloses a kind of pile top elevation accurate control and exempt from to dig structure, the axis of the custom-made ring coincides with reinforcement cage.

[0008] The utility model discloses a kind of pile top elevation accurate control and exempt from to dig structure, the through hole of the main reinforcement and custom-made ring is interference fit.

[0009] The utility model discloses a pile top elevation accurate control and exempt from to whet structure, the height of cross rib and vertical rib is greater than the half of the total thickness of custom-made ring.

[0010] The utility model discloses a pile top elevation accurate control and exempt from to whet structure, the vertical section structure of cross rib and vertical rib is inverted trapezoid or inverted triangle.

[0011] The utility model discloses a pile top elevation accurate control and exempt from to whet structure, the material quality of cross rib and vertical rib of custom-made ring is rubber material.

[0012] The utility model discloses a pile top elevation accurate control and exempt from to whet structure, through setting up custom-made ring at the elevation of reinforcement cage, and custom-made ring circumferential exceeds the thickness of protection layer, when breaking the pile head of the part of pile foundation overfilling, after cleaning the soil between piles, can expose the custom-made rubber ring at the pile top elevation, thereby directly determining the pile top elevation according to the position of custom-made rubber ring bottom surface, reduce the control difficulty of pile top elevation, save the process of determining the pile top elevation in traditional construction, can simplify the construction process, accelerate construction progress; through the setting of custom-made rubber ring, can greatly reduce the breaking difficulty of the pile head of overfilling part, and can protect the pile head concrete and main reinforcement at the pile top elevation, through setting up cross rib and vertical rib structure at the bottom surface of custom-made ring, thereby forming the whetting structure at the pile top, and can obtain the whetting shape meeting the requirement through controlling the density and cross section shape of cross rib and vertical rib, thereby avoiding the damage of the pile head at the pile top elevation caused by traditional breaking operation, improving the whetting quality of the pile head, guaranteeing the anchoring into the height of corona of the pile head, saving the whetting process, greatly improving the overall effect of the pile head breaking efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be described further in combination with the drawings and examples, and the drawings are as follows:

[0014] Fig. 1 It is the schematic diagram of the utility model example;

[0015] Fig. 2 It is the custom-made ring schematic diagram of the utility model example;

[0016] Fig. 3 It is the custom-made ring section view of the utility model example. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, rather than all the embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] like Figs. 1-3 As shown, a structure for precise control of pile top elevation and free of roughening comprises: a steel cage 5, wherein the steel cage 5 comprises several vertically arranged main bars 1, and the steel cage 5 is provided with a customized circular ring 3 at the pile top elevation 4, wherein the customized circular ring 3 has a through hole at a position corresponding to the position of the main bar 1, and the main bar 1 passes through the through hole, and the customized circular ring 3 and the main bar 1 are tied and positioned by a binding wire 2, and a conduit avoidance hole 8 for the passage of the casting conduit is provided at the center of the customized circular ring 3, the top surface of the customized circular ring 3 is a smooth structure, and the bottom surface of the customized circular ring 3 has several crisscrossing transverse ribs 6 and longitudinal ribs 7, the customized circular ring 3, the transverse ribs 6 and the longitudinal ribs 7 are an integrated structure, and the customized circular ring 3, the transverse ribs 6 and the longitudinal ribs 7 are all made of elastic material.

[0019] In a preferred embodiment of the present invention, the outer diameter of the customized ring 3 is greater than the sum of the protective layer thickness and the outer diameter of the steel cage 5, and is more than twice the thickness of the protective layer to ensure that the edge of the customized ring 3 can be exposed when digging piles.

[0020] In a preferred embodiment of the present invention, the axis of the customized ring 3 coincides with the steel cage 5, and the opening diameter of the conduit avoidance hole 8 cannot be smaller than the conduit diameter used during concrete pouring to avoid affecting the concrete pouring, and should not be too large to avoid affecting the roughening effect.

[0021] In a preferred embodiment of the present invention, the through holes of the main reinforcement 1 and the customized circular ring 3 are interference fit, that is, all the main reinforcements 1 of the described steel cage 5 are passed through the customized circular ring 3 by punching small holes, and the customized circular ring 3 and the main reinforcement 1 are tied and fixed together by the steel wire 2 to form a whole, so that no displacement will occur during the pouring of concrete. The specific operation of "punching small holes to pass through the customized circular ring 3" is: use an electric drill to punch small holes on the customized circular ring 3 at the position where the main reinforcement needs to pass through, and the diameter of the small hole should be slightly smaller than the diameter of the main reinforcement, and then use external force to pierce the small hole with the main reinforcement, so that the main reinforcement passes through the customized circular ring 3 to strengthen the connection between the customized circular ring 3 and the steel cage 5.

[0022] In the preferred embodiment of the utility model, the height of the horizontal rib 6 and the vertical rib 7 is greater than half of the total thickness of the customized ring 3.

[0023] In the preferred embodiment of the utility model, the vertical section structure of the horizontal rib 6 and the vertical rib 7 is inverted trapezoidal or inverted triangular, and the horizontal and vertical ribs are staggered as densely as possible to ensure the gouging effect.

[0024] In the preferred embodiment of the utility model, the material of the customized ring 3, the horizontal rib 6 and the vertical rib 7 is rubber material, and the customized ring 3 with rubber material has certain toughness and will not be deformed or broken under the pressure of concrete, and can provide protection for the pile head at the pile top elevation when breaking the pile head.

[0025] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0027] It should be understood that for ordinary skilled in the art, the above description can be improved or changed, and all these improvements and changes should belong to the protection scope of the claims attached to the utility model.

Claims

1. A pile top elevation accurate control and free chipping structure, characterized in that, The utility model relates to a reinforced cage (5) comprising a plurality of vertically arranged main reinforcement bars (1), wherein the reinforced cage (5) is provided with a customized circular ring (3) at the pile top elevation (4), the customized circular ring (3) is provided with a through hole at the position corresponding to the main reinforcement bar (1), the main reinforcement bar (1) passes through the through hole, the customized circular ring (3) and the main reinforcement bar (1) are positioned by lashing with a lashing wire (2), the customized circular ring (3) is provided with a guide pipe avoiding hole (8) at the center for the pouring guide pipe to pass through, the top surface of the customized circular ring (3) is smooth, the bottom surface of the customized circular ring (3) is provided with a plurality of longitudinal and transverse intersecting horizontal ribs (6) and longitudinal ribs (7), the customized circular ring (3), the horizontal ribs (6) and the longitudinal ribs (7) are integrated, and the customized circular ring (3), the horizontal ribs (6) and the longitudinal ribs (7) are all made of elastic material. The outer diameter of the customized circular ring (3) is greater than the sum of the thickness of the protective layer and the outer diameter of the reinforced cage (5) and exceeds twice the thickness of the protective layer.

2. The pile top elevation accurate control and free chipping structure according to claim 1, characterized in that, The axis of the customized circular ring (3) coincides with the reinforced cage (5).

3. The pile top elevation accurate control and free chipping structure according to claim 1, characterized in that, The through hole of the main reinforcement bar (1) and the customized circular ring (3) is in interference fit.

4. The pile top elevation accurate control and free chipping structure according to claim 1, characterized in that, The height of the horizontal ribs (6) and the longitudinal ribs (7) is greater than half the total thickness of the customized circular ring (3).

5. The pile top elevation accurate control and free chipping structure according to claim 1, characterized in that, The vertical cross-sectional structure of the horizontal ribs (6) and the longitudinal ribs (7) is inverted trapezoidal or inverted triangular.

6. The pile top elevation accurate control and free chipping structure according to claim 5, characterized in that, The material of the customized circular ring (3), the horizontal ribs (6) and the longitudinal ribs (7) is rubber material.

7. The pile top elevation accurate control and free chipping structure according to claim 1, characterized in that, ​

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