CN213296450U - High-pile low-position uplift test device - Google Patents

Abstract

The utility model discloses a high pile low-position uplift test device, which comprises a clamping piece, an anchorage device head and a first anchor ear which are arranged outside a pipe pile from inside to outside in sequence, wherein the clamping piece, the anchorage device head and the first anchor ear are symmetrical split structures, the clamping piece is an inverted round platform-shaped annular structure, the upper middle part of the inner side of the anchorage device head is provided with a chamfer structure matched with the clamping piece, and the outer side of the chamfer structure is a circular structure; the below symmetry at first staple bolt both ends is equipped with the jack of fixing on the backing plate, be equipped with horizontal beam between the benchmark stake in the jack outside, the below of first staple bolt be equipped with set up in first cuff on the tubular pile, the outside of first cuff all be equipped with the perpendicular aversion sensor of connecting of crossbeam. The utility model adopts the above structure a resistance to plucking test device is put to high stake low, simple structure, convenient operation realizes the detection of the resistance to plucking of crowning pipe pile in the photovoltaic device.

Description

High-pile low-position uplift test device

Technical Field

The utility model relates to a foundation engineering detects technical field, especially relates to a high stake is low puts resistance to plucking test device.

Background

With the wide application of green energy and the rapid development of photovoltaic industry, the light energy utilization rate in a photovoltaic field, the protection of a photovoltaic panel and the reasonable utilization of land resources need to be enhanced. Photovoltaic device mainly comprises solar panel, upper portion support and basis. At present, a concrete pipe pile higher than the ground by a certain height is generally adopted for a photovoltaic device foundation, and the pipe pile is large in vertical uplift force and small in vertical pressure, so that uplift detection needs to be carried out on the photovoltaic device foundation.

When the conventional pile foundation uplift test device is used for testing, the top end of a pipe pile is welded with a pull ring, then a pin is inserted after the top of the pipe pile is punched, and then a proper amount of steel bars are inserted into the pipe and a micro-expansion concrete is poured, and then a jack is used for performing a drawing test. However, this detection method is not suitable for a foundation pile of a photovoltaic device at a certain elevation above the ground.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a resistance to plucking test device is put to high stake low, simple structure, convenient operation realizes the detection of the resistance to plucking of crowning pipe pile among the photovoltaic device.

In order to achieve the purpose, the utility model provides a high pile low-position uplift test device, which comprises a clamping piece, an anchorage head and a first anchor ear which are sequentially arranged outside a pipe pile from inside to outside, wherein the clamping piece, the anchorage head and the first anchor ear are symmetrical split structures, the clamping piece is an inverted round platform-shaped annular structure, the upper middle part of the inner side of the anchorage head is provided with a chamfer structure matched with the clamping piece, and the outer side of the chamfer structure is a circular structure;

the below symmetry at first staple bolt both ends is equipped with the jack of fixing on the backing plate, be equipped with horizontal beam between the benchmark stake in the jack outside, the below of first staple bolt be equipped with set up in first cuff on the tubular pile, the outside of first cuff all be equipped with the perpendicular aversion sensor of connecting of crossbeam.

Preferably, the horizontal height of the anchor head is higher than that of the first anchor ear, and the horizontal height of the clamping piece is higher than that of the anchor head.

Preferably, the jack is perpendicular to the first hoop and the base plate.

Preferably, the first hoop is a counter-force double-layer steel plate hoop.

Preferably, the displacement sensor is attached to the first collar by a magnetic bezel.

Preferably, the first hoop and the side surface of the first hoop are provided with fixing holes, and the first hoop are connected through bolts.

Preferably, leveling bubbles which are symmetrically distributed are arranged on two sides of the first hoop.

Therefore, the utility model adopts the above structure a resistance to plucking test device is put to high stake low, simple structure, convenient operation realizes the detection of photovoltaic device crowning pipe pile resistance to plucking.

The utility model discloses a low resistance to plucking test device of putting of high stake, concrete effect is as follows:

(1) the parts are made of steel, so that the processing is convenient, and the assembly and disassembly are simple;

(2) the first hoop and the jack make up the defects of the prior art, and are suitable for the concrete pipe pile with a certain height above the ground;

(3) the model of the anchor head is changed according to the inner diameter of the tubular pile, so that the device is suitable for detecting the uplift bearing capacity of the tubular pile with multiple sizes; make first staple bolt, ground tackle head, clamping piece and the abundant interlock of tubular pile and guarantee that the tubular pile atress is even through preloading, detect the back that finishes, remove the bolt and can accomplish holistic decomposition, dismantle portably, improve detection efficiency.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a high-pile low-position uplift test device of the present invention;

FIG. 2 is a schematic view of an anchor head of the high-pile low-position uplift test device of the present invention;

FIG. 3 is a schematic view of a clamping piece of the high pile low-position uplift test device of the present invention;

fig. 4 is a top view of the first hoop in the high-pile low-position uplift test device of the present invention;

fig. 5 is a top view of the first hoop of the high-stake low-level anti-pulling test device of the present invention.

Reference numerals

1. A tubular pile; 2. an anchor head; 3. a clip; 4. a first hoop; 41. a level bubble; 5. a first ferrule; 6. a jack; 7. a displacement sensor; 8. a cross beam; 9. a backing plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following describes embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is the utility model relates to a low resistance to plucking test device embodiment's of putting of high stake structural schematic diagram, fig. 2 is the utility model relates to a low schematic diagram of putting the anchor tool head among the resistance to plucking test device of high stake, fig. 3 is the utility model relates to a low schematic diagram of putting clamping piece among the resistance to plucking test device of high stake, fig. 4 is the utility model relates to a low plan view of first staple bolt among the resistance to plucking test device of high stake, fig. 5 is the utility model relates to a low plan view of first hoop among the resistance to plucking test device of high stake, as shown in the figure, a low resistance to plucking test device of high stake, include from inside to outside setting gradually in the clamping piece 3 in the tubular pile 1 outside, anchor tool head 2 and first staple bolt 4, clamping piece 3, anchor tool head 2 and first staple bolt 4 are the components of a whole that can function independently structure of symmetry, fasten tubular pile 1 centre gripping through clamping piece 3, anchor tool head 2 and.

The clamping piece 3 is of an inverted circular truncated cone-shaped annular structure, and a small opening at the lower end of the clamping piece 3 is tightly connected to the outer side of the tubular pile 1. The upper middle part of the inner side of the anchor head 2 is provided with a chamfer angle structure matched with the clamping piece 3, so that the tight connection between the anchor head 2 and the clamping piece 3 is ensured. Simultaneously, the structure setting of ground tackle head 2 and clamping piece 3 makes at the in-process that shifts up, and the firm chucking of clamping piece 3 downside is to tubular pile 1 to guarantee ground tackle head 2 to the support intensity of clamping piece 3. In addition, the conical cambered surfaces on the outer side of the clamping piece 3 and the inner side of the anchor head 2 are suitable for tubular piles 1 of various sizes, and the adaptability is improved. The outside of ground tackle head 2 is circular structure, guarantees the stable connection between ground tackle head 2 and the first staple bolt 4. The horizontal height of the anchor head 2 is higher than that of the first anchor ear 4, and the horizontal height of the clamping piece 3 is higher than that of the anchor head 2, so that the first anchor ear 4, the anchor head 2 and the clamping piece 3 can be conveniently detached and installed and fixed.

First staple bolt 4 is the double-deck steel sheet staple bolt of counter-force, and the side of first staple bolt 4 is equipped with the fixed orifices, realizes the zonulae occludens between the first staple bolt 4 through the bolt. The both sides of first staple bolt 4 are equipped with the air level 41 of symmetric distribution, and air level 41 is used for adjusting the level fastening of first staple bolt 4 both sides, improves the degree of accuracy that detects.

Jacks 6 fixed on the backing plate 9 are symmetrically arranged below two ends of the first hoop 4, and the jacks 6 are perpendicular to the first hoop 4 and the backing plate 9, so that the backing plate 9 and the first hoop 4 respectively support the jacks 6 in the reverse direction and the forward direction. Horizontal cross beams 8 are arranged between the reference piles on the outer sides of the jacks 6, and the reference piles provide support for the cross beams 8. The lower part of first staple bolt 4 is equipped with first hoop 5 that sets up on tubular pile 1, and the side of first hoop 5 is equipped with the fixed orifices, realizes the zonulae occludens between the first hoop 5 through the bolt. And the outer sides of the first cuffs 5 are respectively provided with a displacement sensor 7 which is vertically connected with the cross beam 8, and the displacement sensors 7 are used for monitoring displacement. The displacement sensor 7 is connected to the first hoop 5 through a magnetic meter frame, so that stable connection of the displacement sensor is guaranteed, and operation is convenient. After the jack 6 moves upwards, the tubular pile 1 moves upwards to drive the displacement sensor 7 to move, so that the displacement is monitored by taking the cross beam 8 as a reference.

When the clamping piece is used, the clamping piece 3, the anchorage device head 2 and the first hoop 4 are respectively installed, the jack 6 is respectively positioned under two sides of the first hoop 4 and above the two backing plates 9, and the jack 6 is fully contacted with the first hoop 4. Firstly, preloading enables the first anchor ear 4, the anchor head 2 and the clamping piece 3 to be fully meshed with the tubular pile 1, and ensures that the stress of the concrete tubular pile 1 is uniform. The two reference piles are symmetrically buried, the cross beam 8 is connected with one end of each reference pile in a simply supported mode, the other end of each reference pile is fixedly connected with the other end of each reference pile, the displacement sensors 7 are symmetrically arranged on two sides of the concrete pipe pile 1, measuring heads of the displacement sensors 7 are in contact with the upper surface of the cross beam 8, and initial values of the displacement sensors 7 are recorded. And starting a single-pile vertical uplift test, strictly loading according to a test scheme, and recording displacement data corresponding to each level of load.

And after the test is finished, opening the jack 6 oil valve for unloading, sequentially disassembling the first anchor ear 4, the anchor head 2 and the clamping piece 3, and breaking the anchor head 2 and the clamping piece 3 by using a hammer.

Therefore, the utility model adopts the above structure a resistance to plucking test device is put to high stake low, simple structure, convenient operation realizes the detection of photovoltaic device crowning pipe pile resistance to plucking.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims (7)

1. The utility model provides a low resistance to plucking test device of putting of high stake which characterized in that: the clamping piece, the anchorage device head and the first anchor ear are all symmetrical split structures, the clamping piece is of an inverted round platform-shaped annular structure, the upper middle part of the inner side of the anchorage device head is provided with a chamfer structure matched with the clamping piece, and the outer side of the anchorage device head is of a circular structure;

the below symmetry at first staple bolt both ends is equipped with the jack of fixing on the backing plate, be equipped with horizontal beam between the benchmark stake in the jack outside, the below of first staple bolt be equipped with set up in first cuff on the tubular pile, the outside of first cuff all be equipped with the perpendicular aversion sensor of connecting of crossbeam.

2. The high pile low-lying resistance to plucking test device of claim 1, characterized in that: the horizontal height of the anchor head is higher than that of the first anchor ear, and the horizontal height of the clamping piece is higher than that of the anchor head.

3. The high pile low-lying resistance to plucking test device of claim 1, characterized in that: the jack is perpendicular to the first hoop and the base plate.

4. The high pile low-lying resistance to plucking test device of claim 1, characterized in that: the first hoop is a counter-force double-layer steel plate hoop.

5. The high pile low-lying resistance to plucking test device of claim 1, characterized in that: the displacement sensor is connected to the first ferrule through a magnetic bezel.

6. The high pile low-lying resistance to plucking test device of claim 1, characterized in that: the side surfaces of the first hoop and the first hoop are provided with fixing holes, and the first hoop are connected through bolts.

7. The high pile low-lying resistance to plucking test device of claim 1, characterized in that: and leveling bubbles which are symmetrically distributed are arranged on two sides of the first hoop.

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