阅读说明：本技术 一种检测预应力管桩垂直度的水准器具及检测方法 (Level tool and detection method for detecting perpendicularity of prestressed pipe pile ) 是由 王月 张传通 杨立涛 周志鹏 张晋元 于 2021-09-08 设计创作，主要内容包括：一种检测预应力管桩垂直度的水准器具,涉及管桩垂直度检测技术领域,包括沿水平方向设置的水准盒以及固定连接于水准盒一侧的定位机构,所述的定位机构远离水准盒的一端设有横截面为部分圆弧形的曲面结构,所述的曲面结构的半径与待测的预应力管桩的半径相同,且曲面结构所在的圆柱面的轴线沿垂直方向设置,所述的部分圆弧形指的是小于或等于半圆弧形。本发明提出了一种检测预应力管桩垂直度的水准器具及检测方法,目的是快速、准确地检测预应力管桩沉桩过程中的垂直度。(The utility model provides a detect straightness's of straightness's level utensil of prestressing force tubular pile straightness that hangs down, relates to the tubular pile straightness detection technology field that hangs down, includes level box and the positioning mechanism of fixed connection in level box one side that sets up along the horizontal direction, positioning mechanism keep away from the one end of level box and be equipped with the curved surface structure that the cross section is partial arc, the radius of curved surface structure the same with the radius of the prestressing force tubular pile that awaits measuring, and the axis of the face of cylinder at curved surface structure place sets up along the vertical direction, partial arc indicate to be less than or equal to half circular arc. The invention provides a level tool for detecting the verticality of a prestressed pipe pile and a detection method, and aims to quickly and accurately detect the verticality of the prestressed pipe pile in a pile sinking process.)

1. The utility model provides a detect straightness's of straightness levelling instrument of prestressed pipe pile, characterized in that: including level box and the positioning mechanism of fixed connection in level box one side that sets up along the horizontal direction, positioning mechanism keep away from the one end of level box and be equipped with the cross section for the curved surface structure of part arc, the radius of curved surface structure the same with the radius of the prestressing force tubular pile that awaits measuring, and the axis of the face of cylinder at curved surface structure place sets up along the vertical direction, the convex finger of part be less than or equal to half circular arc.

2. A level tool for detecting the verticality of a prestressed pipe pile according to claim 1, wherein: the positioning mechanism comprises a horizontal positioning part with a semicircular cross section and a longitudinal positioning part which penetrates through the upper end face and the lower end face of the horizontal positioning part and extends up and down along the vertical direction, the inner side end faces of the longitudinal positioning part and the horizontal positioning part are coplanar, and the curved surface structure refers to a curved surface formed by the inner side end faces of the longitudinal positioning part and the horizontal positioning part.

3. A level tool for detecting the verticality of a prestressed pipe pile according to claim 2, wherein: the level box is fixedly connected to the middle of the outer side end of the horizontal positioning part.

4. A level tool for detecting the verticality of a prestressed pipe pile according to claim 3, wherein: the longitudinal positioning part is 1 or 2 rod-shaped structures or bent plate structures arranged along the longitudinal direction.

5. A level tool for detecting the verticality of a prestressed pipe pile according to claim 4, wherein: the lower part of the outer surface of the longitudinal positioning part is also provided with a handle.

6. A perpendicularity detection method for a prestressed pipe pile is characterized by comprising the following steps: use of a levelling tool as claimed in any one of claims 1 to 5, comprising the steps of:

1) positioning the pile sinking point of the prestressed pipe pile, and aligning the pile hanging of the pile machine with the point;

2) selecting a level instrument suitable for the size of the prestressed pipe pile, attaching the level instrument to a pile body before pile sinking, detecting the perpendicularity of the pile body, and informing a driver of a pile machine to stop adjusting and hammering the pile when the air bubble in the level box is centered;

3) determining pile sinking depth according to geological and geotechnical investigation reports and by combining with actual soil texture on site, performing secondary checking on pile body verticality by using a level instrument when the pile sinking depth is 2-3.5 m, and informing a driver of a pile driver to stop calibrating and continue hammering the pile sinking when air bubbles in a level box are centered;

4) whether pile body checking is added or not is considered according to the pile sinking condition on site, and the method is the same as the above;

5) and (5) controlling the verticality and completing detection in the process.

7. The perpendicularity detection method of the prestressed pipe pile as claimed in claim 6, wherein: in the step 2), the method for attaching the leveling instrument to the pile body comprises the following steps: and tightly attaching the curved surfaces of the inner sides of the horizontal positioning part and the longitudinal positioning part to the outer surface of the pile body, and observing the position of the air bubble in the leveling box on the basis.

Technical Field

The invention relates to the technical field of tubular pile perpendicularity detection, in particular to a level tool and a detection method for detecting the perpendicularity of a prestressed tubular pile.

Background

Engineering practice finds that when the prestressed pipe pile adopts hammering pile sinking, the verticality detection control effect of the pile body of the pipe pile is not ideal, and the method is embodied as follows:

1. the traditional method adopts two theodolites to observe the vertical deviation and adjustment in the pile sinking process at fixed points, and has the advantages of accurate detection and adjustment and long adjustment time of the detection instrument, so that the hammering pile sinking efficiency is greatly reduced;

2. the traditional method also uses a level ruler to be attached to the pile body of the tubular pile, and instructs a driver of the pile machine to calibrate by observing the bubble position of the level pipe.

Disclosure of Invention

The invention provides a level tool for detecting the verticality of a prestressed pipe pile and a detection method, and aims to quickly and accurately detect the verticality of the prestressed pipe pile in a pile sinking process.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a detect straightness's of straightness's level utensil of prestressing force tubular pile, includes level box and the positioning mechanism of fixed connection in level box one side that sets up along the horizontal direction, positioning mechanism keep away from the one end of level box and be equipped with the cross section for the curved surface structure of part circular arc, the radius of curved surface structure the same with the radius of the prestressing force tubular pile that awaits measuring, and the axis of the face of cylinder at curved surface structure place sets up along the vertical direction, the partial circular arc indicate and be less than or equal to half circular arc.

Preferably, the positioning mechanism comprises a horizontal positioning portion with a semicircular cross section and a longitudinal positioning portion which penetrates through the upper end face and the lower end face of the horizontal positioning portion and extends up and down along the vertical direction, the inner side end faces of the longitudinal positioning portion and the horizontal positioning portion are coplanar, and the curved surface structure refers to a curved surface formed by the inner side end faces of the longitudinal positioning portion and the horizontal positioning portion.

Preferably, the level box is fixedly connected to the middle of the outer end of the horizontal positioning part.

Preferably, the longitudinal positioning part is 1 or 2 rod-shaped structures or bent plate structures arranged along the longitudinal direction.

Preferably, the lower part of the outer surface of the longitudinal positioning part is also provided with a handle.

A perpendicularity detection method for a prestressed pipe pile comprises the following steps:

1) positioning the pile sinking point of the prestressed pipe pile, and aligning the pile hanging of the pile machine with the point;

2) selecting a level instrument suitable for the size of the prestressed pipe pile, attaching the level instrument to a pile body before pile sinking, detecting the perpendicularity of the pile body, and informing a driver of a pile machine to stop adjusting and hammering the pile when the air bubble in the level box is centered;

3) determining pile sinking depth according to geological and geotechnical investigation reports and by combining with actual soil texture on site, performing secondary checking on pile body verticality by using a level instrument when the pile sinking depth is 2-3.5 m, and informing a driver of a pile driver to stop calibrating and continue hammering the pile sinking when air bubbles in a level box are centered;

4) whether pile body checking is added or not is considered according to the pile sinking condition on site, and the method is the same as the above;

5) and (5) controlling the verticality and completing detection in the process.

Preferably, in step 2), the method for attaching the leveling instrument to the pile body includes: and tightly attaching the curved surfaces of the inner sides of the horizontal positioning part and the longitudinal positioning part to the outer surface of the pile body, and observing the position of the air bubble in the leveling box on the basis.

The leveling tool and the detection method for detecting the verticality of the prestressed pipe pile have the beneficial effects that: the device has the advantages of simple structure and exquisite design, can quickly and accurately detect the verticality of the prestressed pipe pile in the pile sinking process, and not only ensures the pile sinking efficiency, but also ensures the pile sinking quality.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention in use;

1. a horizontal positioning section; 2. a longitudinal positioning section; 3. a handle; 4. a level box; 5. air bubbles; 6. and (4) prestressed pipe piles.

Detailed Description

In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not to be construed as being limited thereto.

Examples 1,

The utility model provides a detect straightness's of straightness's level utensil of prestressing force tubular pile, includes level box 4 and the positioning mechanism of fixed connection in level box 4 one side that sets up along the horizontal direction, positioning mechanism keep away from the one end of level box 4 and be equipped with the cross section and be the curved surface structure of part circular arc, the radius of curved surface structure the same with the radius of the prestressing force tubular pile 6 that awaits measuring, and the axis of the face of cylinder that curved surface structure belonged to sets up along the vertical direction, the partial circular arc indicate to be less than or equal to half circular arc.

In this embodiment, the positioning mechanism may be a block-shaped, plate-shaped, special-shaped or multi-shape combined structure, as long as it can satisfy that its one end away from the level box is equipped with a curved surface structure that can closely adhere to the outer surface of the prestressed tubular pile 6 to be tested, and the axis of the cylindrical surface where the curved surface structure is located is along the vertical direction. When positioning mechanism and the surface of prestressing force tubular pile 6 are closely laminated orientation of having fixed a position the prestressing force tubular pile axis promptly, can measure whether this axis is perpendicular through level box 4, if perpendicular, the bubble in the level box 4 is located the central point, if not perpendicular, the bubble breaks away from the central point.

In this embodiment, the meaning of close fitting is that "one end of the positioning mechanism far away from the level box 4 is provided with a curved surface structure with a cross section in a partial arc shape, the radius of the curved surface structure is the same as that of the prestressed pipe pile 6 to be measured, and the axis of the cylindrical surface where the curved surface structure is located is arranged along the vertical direction".

Examples 2,

The embodiment is an improvement on the basis of embodiment 1, and specifically comprises the following steps:

as shown in fig. 1, the positioning mechanism includes a horizontal positioning portion 1 having a semicircular cross section, and a longitudinal positioning portion 2 penetrating through upper and lower end surfaces of the horizontal positioning portion 1 and extending vertically in a vertical direction, wherein inner side end surfaces of the longitudinal positioning portion 2 and the horizontal positioning portion 1 are coplanar, and the curved surface structure refers to a curved surface formed by the inner side end surfaces of the longitudinal positioning portion 2 and the horizontal positioning portion 1.

In this embodiment, during measurement, if the prestressed pipe pile 6 is in a vertical state, the inner curved surfaces of the longitudinal positioning portion 2 and the horizontal positioning portion 1 are tightly attached to the outer surface of the prestressed pipe pile 6, and the air bubble 5 in the leveling box is in a central position; if the prestressed pipe pile 6 deviates from the vertical state, the inner side curved surfaces of the longitudinal positioning part 2 and the horizontal positioning part 1 are tightly attached to the outer surface of the prestressed pipe pile 6, and the air bubble 5 in the leveling box deviates from the central position.

Examples 3,

The embodiment is an improvement on the basis of embodiment 2, and specifically comprises the following steps:

as shown in fig. 1, the leveling box is fixedly connected to the middle of the outer end of the horizontal positioning part 1;

as shown in fig. 1, the longitudinal positioning portion 2 is 1 or 2 rod-shaped structures or curved plate structures arranged along the longitudinal direction;

as shown in fig. 1, the lower portion of the outer surface of the longitudinal positioning portion 2 is further provided with a handle 3.

Examples 4,

On the basis of the above embodiments, the present embodiment discloses:

a perpendicularity detection method for a prestressed pipe pile is shown in fig. 2 and comprises the following steps:

1) positioning the pile sinking point of the prestressed pipe pile, and aligning the pile hanging of the pile machine with the point;

2) selecting a level instrument suitable for the size of the prestressed pipe pile, wherein the diameter of the curved surface structure on the inner side of the horizontal positioning part and the longitudinal positioning part is 500mm if the outer diameter of the pipe pile is 500mm, so that the tight fit effect can be ensured; before sinking the pile, the leveling device is attached to the pile body, the perpendicularity of the pile body is detected, and when the air bubble in the leveling box is centered, a driver of the pile machine is informed to stop adjusting and hammering and pile sinking are started;

3) determining pile sinking depth according to geological and geotechnical investigation reports and by combining with actual soil texture on site, performing secondary checking on pile body verticality by using a level instrument when the pile sinking depth is 2-3.5 m, and informing a driver of a pile driver to stop calibrating and continue hammering the pile sinking when air bubbles in a level box are centered;

4) whether pile body checking is added or not is considered according to the pile sinking condition on site, and the method is the same as the above;

5) process control verticality and detection are finished;

in the step 2), the method for attaching the leveling instrument to the pile body comprises the following steps: and tightly attaching the curved surfaces of the inner sides of the horizontal positioning part 1 and the longitudinal positioning part 2 to the outer surface of the pile body, and observing the position of the air bubble in the leveling box on the basis.

The use principle of the invention is as follows:

the leveling box is positioned in the horizontal position, the axis of the curved surface structure is positioned in the vertical position, and the curved surface structure can be tightly attached to the pile body, so that the direction of the axis of the prestressed pipe pile is consistent with that of the axis of the curved surface structure, and the verticality of the prestressed pipe pile can be judged from the bubble position of the leveling box.