Device for protecting integrity of pile body in pile head girdling method

Abstract

The utility model provides a device for protecting the completeness of a pile body in a pile head girdling method. The device comprises a metal belt and a plurality of metal strips, wherein the metal belt is arranged around the periphery of the pile body below a pile top elevation line; the metal belts and the pile top elevation line are arranged at intervals; the head end and the tail end of the metal belt are fixedly connected; the clamping device is used for fixing and clamping the pile body. The pile body below the pile head is wrapped and clamped in the circumferential direction through the metal belt, the situation that when the pile head is annularly cut or the lower pile head is removed and chiseled after the pile head is annularly cut, the reserved pile body is collided, and concrete of the pile body is damaged or chipped is avoided, and the appearance quality of the pile body is improved. Meanwhile, the connecting structure of the adjacent metal belts is simple, operation is convenient, the metal belts can be repeatedly used after being detached, and materials are effectively saved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a device for protecting the integrity of a pile body in a pile head ring cutting method. Background Art

[0002] When the pile head is chiseled out by the circumferential cutting method, a circle of pile body concrete is first cut at the pile top elevation position, and then the pile head is chiseled out along the cutting seam. However, when the pile head is lifted and chiseled out, the concrete at the edge of the pile body will be bumped, causing the pile body to fall off. In addition, the elevation line is irregular during circumferential cutting, resulting in inconsistent elevations after circumferential cutting, which affects the concealment and visual acceptance. Utility Model Content

[0003] The utility model aims to provide a device for protecting the integrity of a pile body in a pile head ring cutting method, so as to solve at least one or more technical problems existing in the prior art.

[0004] In order to solve the above technical problems, the utility model provides a device for protecting the integrity of the pile body in the pile head ring cutting method, comprising: a metal belt arranged around the pile body below the pile top elevation line;

[0005] The metal belt is spaced apart from the pile top elevation line;

[0006] The head and tail ends of the metal belt are fixedly connected and used for fixing and clamping the pile body.

[0007] Furthermore, the number of the metal belts is one or more according to the diameter of the pile body.

[0008] Furthermore, adjacent metal strips are fixedly connected by welding.

[0009] After the pile head is cut, the metal strip can be cut off along the weld to facilitate the reuse of the metal strip.

[0010] Furthermore, one end of the metal belt is fixed in the vertical direction and is provided with a plurality of hinges at intervals;

[0011] The fixed plate of the hinge is fixedly connected to the metal belt; the movable plate of the hinge can rotate around the hinge axis, and the movable plate is provided with an opening;

[0012] The metal belt is provided with a screw rod adapted to the opening at one end away from the hinge;

[0013] The hinges at adjacent ends of adjacent metal strips are arranged alternately.

[0014] Furthermore, it also includes a fastening nut, which is threadedly connected to the screw rod and is used to fasten the rotatable hinge plate to the adjacent metal belt.

[0015] When in use, align the adjacent metal belts, rotate the movable plate to pass through the screws on the adjacent metal belts, and use the fastening nut to fix the movable plate and the adjacent metal belts, so that the metal belt clamps the pile body to protect the pile body and prevent the concrete of the pile body from being bumped, damaged or falling off. After the pile head is cut, loosen the fastening nut and remove the metal belt for reuse.

[0016] Preferably, a draw hook is fixedly provided at one end of the metal belt, a push-pull wrench is fixedly provided at one end of the metal belt away from the draw hook, and a sleeve is provided on the push-pull wrench;

[0017] The push-pull wrench can approach or move away from the draw hook, and is used for sleeve the collar on the draw hook and tighten or release the draw hook.

[0018] When in use, align the adjacent metal strips, push the push-pull wrench forward, make the ring approach and cover the fixed hook, then pull the push-pull wrench backward to lock the fixed hook and the push-pull wrench, thereby tightening the adjacent metal strips to protect the pile body. After the pile head is circumcised, loosen the ring to separate the adjacent metal strips and remove them for reuse.

[0019] Furthermore, the metal strip is a steel strip.

[0020] By adopting the above technical solution, the utility model has the following beneficial effects:

[0021] The utility model provides a device for protecting the integrity of the pile body in the pile head ring cutting method, which has the following advantages:

[0022] The pile body below the pile head is wrapped and clamped circumferentially with a metal belt, which avoids bumping the retained pile body when the pile head is cut or the pile head is removed and chiseled after cutting, resulting in damage or falling of the pile body concrete, thus improving the appearance quality of the pile body. At the same time, the connection structure of adjacent metal belts is simple and easy to operate. The metal belts can be reused after removal, effectively saving materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A front view of a device for protecting the integrity of a pile body in a pile head ring cutting method provided in Example 1 of the utility model;

[0025] Figure 2 for Figure 1 a top view of the device shown;

[0026] Figure 3 A front view of a device for protecting the integrity of a pile body in a pile head ring cutting method provided in Example 2 of the utility model;

[0027] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0028] Figure 5 A front view of a device for protecting the integrity of a pile body in a pile head ring cutting method provided in Example 3 of the utility model;

[0029] Figure 6 for Figure 5 Enlarged view of point A in the middle;

[0030] Figure 7 for Figure 6 A magnified top view of the device shown.

[0031] Reference numerals:

[0032] 1-pile head; 2-pile top elevation line; 3-pile body; 4-metal belt; 5-weld; 6-hinge; 61-fixed plate; 62-movable plate; 63-hinge shaft; 7-screw; 8-fastening nut; 9-pull hook; 10-push-pull wrench; 11-ring. DETAILED DESCRIPTION

[0033] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The present invention will be further explained below in conjunction with specific implementation methods.

[0037] Example 1

[0038] like Figure 1-2 As shown, the present embodiment provides a device for protecting the integrity of a pile body in a pile head ring cutting method, comprising: a metal belt 4 circumferentially arranged around a pile body 3 below a pile top elevation line 2;

[0039] The metal belt 4 is spaced apart from the pile top elevation line 2;

[0040] The head and tail ends of the metal belt 4 are fixedly connected and used for fixing and clamping the pile body 3 .

[0041] The number of the metal belts 4 is one or more according to the diameter of the pile body 3 .

[0042] In this embodiment, two metal belts 4 are provided.

[0043] Adjacent metal strips 4 are fixedly connected by welding.

[0044] In this embodiment, the metal strip 4 is a steel strip with a width of 50 mm and a thickness of 4 mm, and the steel strip is arranged 5 mm below the pile top elevation line and spaced apart from the pile top elevation line to facilitate the implementation of the pile head girdling.

[0045] After the circumferential cutting of the pile head 1 is completed, the metal belt 4 can be cut off along the weld 5 to facilitate the reuse of the metal belt 4.

[0046] Example 2

[0047] This embodiment is basically the same as Embodiment 1, except that:

[0048] like Figure 3-4 As shown, one end of the metal belt 4 is fixed in the vertical direction and is provided with a plurality of hinges 6 at intervals;

[0049] The fixed plate 61 of the hinge 6 is fixedly connected to the metal belt 4; the movable plate 62 of the hinge 6 can rotate around the hinge shaft 63, and an opening is provided on the movable plate 62;

[0050] The metal belt 4 is provided with a screw 7 adapted to the opening at one end away from the hinge 6;

[0051] Adjacent end hinges 6 of adjacent metal strips 4 are symmetrical and staggered.

[0052] In this embodiment, three hinges 6 are provided.

[0053] Furthermore, it also includes a fastening nut 8 which is threadedly connected to the screw rod 7 and is used to fasten the rotatable hinge 6 plate to the adjacent metal belt 4.

[0054] When in use, align the adjacent metal belts 4, rotate the movable plate 62 to pass through the screw rod 7 on the adjacent metal belt 4, and use the fastening nut 8 to fix the movable plate 62 and the adjacent metal belt 4, so that the metal belt 4 clamps the pile body 3 to protect the pile body 3; prevent the concrete of the pile body 3 from being bumped, damaged or falling off. After the circumcision of the pile head 1 is completed, loosen the fastening nut 8 and remove the metal belt 4 for reuse.

[0055] Example 3

[0056] This embodiment is basically the same as Embodiment 1, except that:

[0057] like Figure 5-7 As shown, a draw hook 9 is fixedly provided at one end of the metal belt 4, and a push-pull wrench 10 is fixedly provided at the end of the metal belt 4 away from the draw hook 9, and a ring 11 is provided on the push-pull wrench 10;

[0058] The push-pull wrench 10 can be moved closer to or farther away from the draw hook 9 , and is used to fit the collar 11 onto the draw hook 9 and tighten or release the draw hook 9 .

[0059] In this embodiment, the collar 11 is a metal collar 11 .

[0060] When in use, the adjacent metal bands 4 are aligned, the push-pull wrench 10 is pushed forward, the collar 11 is close to and covers the fixed hook 9, and the push-pull wrench 10 is pulled back to lock the fixed hook 9 with the push-pull wrench 10, thereby tightening the adjacent metal bands 4 to protect the pile body 3. After the circumcision of the pile head 1 is completed, the collar 11 is loosened to separate the adjacent metal bands 4 and remove them for reuse.

[0061] The utility model provides a device for protecting the integrity of the pile body in the pile head ring cutting method, which has the following advantages:

[0062] The pile body below the pile head is wrapped and clamped circumferentially with a metal belt, which avoids bumping the retained pile body when the pile head is cut or the pile head is removed and chiseled after cutting, resulting in damage or falling of the pile body concrete, thus improving the appearance quality of the pile body. At the same time, the connection structure of adjacent metal belts is simple and easy to operate. The metal belts can be reused after removal, effectively saving materials.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A device for protecting the integrity of a pile body in a pile head ring cutting method, characterized in that: include: A metal belt arranged around the pile body below the pile top elevation line; The metal belt is spaced apart from the pile top elevation line; The head and tail ends of the metal belt are fixedly connected and used to fix and clamp the pile body; One end of the metal belt is fixed in the vertical direction and is provided with a plurality of hinges at intervals; The fixed plate of the hinge is fixedly connected to the metal belt; the movable plate of the hinge can rotate around the hinge axis, and the movable plate is provided with an opening; The metal belt is provided with a screw rod adapted to the opening at one end away from the hinge; The hinges at adjacent ends of adjacent metal strips are arranged in a staggered manner; It also includes a fastening nut, which is threadedly connected to the screw rod and is used to fasten the rotatable hinge plate to the adjacent metal belt.

2. The device for protecting the integrity of the pile body in the pile head ring cutting method according to claim 1, characterized in that: The number of the metal belts is one or more according to the diameter of the pile body.

3. The device for protecting the integrity of the pile body in the pile head ring cutting method according to claim 1, characterized in that: The adjacent metal strips are fixedly connected by welding.

4. The device for protecting the integrity of the pile body in the pile head ring cutting method according to claim 1, characterized in that: A draw hook is fixedly provided at one end of the metal belt, a push-pull wrench is fixedly provided at one end of the metal belt away from the draw hook, and a sleeve ring is provided on the push-pull wrench.

5. The device for protecting the integrity of the pile body in the pile head ring cutting method according to claim 4, characterized in that: The push-pull wrench can approach or move away from the draw hook, and is used for sleeve the collar on the draw hook and tighten or release the draw hook.

6. The device for protecting the integrity of the pile body in the pile head ring cutting method according to claim 1, characterized in that: The metal belt is a steel belt.

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