CN219760901U - Pile body chuck, spiral pile and photovoltaic support - Google Patents

Abstract

The utility model relates to the technical field of solar power generation, and discloses a pile body chuck, a spiral pile and a photovoltaic bracket. The pile body chuck comprises two pressurizing blocks which are suitable for being arranged around the pile body in a relative mode, and pile body avoiding grooves and engaging parts are respectively arranged on opposite sides of each pressurizing block; under the interlock operating mode, the pile body avoiding grooves of the two pressurizing blocks form pile body avoiding holes sleeved on the pile body, and the interlock parts of the two pressurizing blocks are mutually interlocked and fixed in the radial direction of the pile body. According to the utility model, the pile body chuck and the pile body are buried underground together, so that the horizontal bearing capacity of the pile body is increased, and the solar cell panel on the photovoltaic bracket is more stable when encountering the condition of larger horizontal wind direction load. The spiral pile and the photovoltaic support comprise pile body chucks, and the spiral pile and the photovoltaic support have the same effect as the pile body chucks.

Description

Pile body chuck, spiral pile and photovoltaic support

Technical Field

The utility model relates to the technical field of solar power generation, in particular to a pile body chuck, a spiral pile and a photovoltaic bracket.

Background

Solar power generation mainly refers to a manner of directly converting solar energy into electric energy by using a battery assembly, wherein the battery assembly mainly comprises a solar panel. Solar panels are typically laid over a large area and supported at an angle to the ground by photovoltaic brackets to direct sunlight. In order to improve stability, the bottom of photovoltaic support is fixed with the pile body of burying underground. Among a plurality of different types of pile bodies, the spiral pile has the advantages of high construction speed, capability of greatly reducing underground earth and stone excavation, capability of reducing damage to surface vegetation and the like, and is increasingly and widely used on the photovoltaic support.

However, the diameter of the pile body of the spiral pile is smaller, and the spiral blades are mainly distributed at the end part of the pile body, so that the horizontal bearing capacity of the spiral pile is relatively low, the solar cell panel is installed in environments with large horizontal wind direction loads, and the lower horizontal bearing capacity of the traditional spiral pile cannot meet the requirements of photovoltaic projects.

Disclosure of Invention

In view of the above, the utility model provides a pile body chuck, a screw pile and a photovoltaic bracket, so as to alleviate the problem of lower horizontal bearing capacity of the screw pile in the traditional photovoltaic bracket.

In a first aspect, the utility model provides a pile body chuck, which comprises two pressurizing blocks which are suitable for being arranged around a pile body in a relative mode, wherein pile body avoiding grooves and engaging parts are respectively arranged on opposite sides of each pressurizing block; under the interlock operating mode, the pile body avoiding grooves of the two pressurizing blocks form pile body avoiding holes sleeved on the pile body, and the interlock parts of the two pressurizing blocks are mutually interlocked and fixed in the radial direction of the pile body.

In the scheme, the pile body chuck forms a pile body avoiding hole through pile body avoiding grooves of the two pressurizing blocks to be sleeved on the pile body, and is fixed in radial occlusion of the pile body through occlusion parts of the two pressurizing blocks. The pile body chuck and the pile body are buried underground together to increase the horizontal bearing capacity of the pile body, so that the solar panel on the photovoltaic bracket is more stable when encountering the condition of larger horizontal wind direction load; the pile body chuck consists of two pressurizing blocks so as to avoid other protruding parts connected or arranged on the pile body, and is convenient for the pile body chuck to be sleeved on the pile body; the interlock portion of two pressurization pieces is fixed in the radial interlock of pile body, and when satisfying pile body chuck steadiness, the simplified interlock mode is convenient for connect and dismantle of two pressurization pieces.

In an alternative embodiment, the two pressurizing blocks are respectively suitable for surrounding the outer side of the peripheral surface of the pile body through the pile body avoiding groove, and are configured to be in a meshed working condition when moving to the same position of the pile body along the axial direction of the pile body. The scheme is a specific implementation mode of the occlusion working condition.

In an alternative embodiment, the engagement portion of the pressurizing blocks includes staggered tenons and mortises, the two pressurizing blocks are mutually centrosymmetric with respect to the axis of the pile body, and the tenons of one pressurizing block are mutually joggled with the mortises of the other pressurizing block. The scheme is a specific structure of the occlusal part.

In an alternative embodiment, the chuck further comprises an axial limit block; a limiting groove is formed in the side surface, adjacent to the side provided with the pile body avoiding groove, of the pressurizing blocks, and the limiting grooves of the two pressurizing blocks are communicated with each other and form a limiting block accommodating space under the meshing working condition; the axial limiting fixed block is arranged in the limiting block accommodating space so as to fix the two pressurizing blocks to each other in the axial direction of the pile body. In this scheme axial spacing fixed block locates in the stopper accommodation space, makes two pressure boost pieces in the axial fixity of pile body, has increased the steadiness of pile body chuck.

In an alternative embodiment, the axial limit block is made of stone; and/or the pressurizing block is made of precast concrete. The axial limiting fixed block and the pressurizing block are buried below the ground in actual use, the environment is moist, the axial limiting fixed block and the pressurizing block in the scheme are respectively made of stone and precast concrete, the strength of the structure can be guaranteed, the structure cannot be corroded, and the service life is prolonged.

In an alternative embodiment, the pile body avoiding groove wall of the pressurizing block is matched with the peripheral surface of the pile body. This scheme increases the laminating nature of pile body chuck and pile body, makes to be connected between pile body chuck and the pile body more firm.

In a second aspect, the present utility model further provides a screw pile, including a screw pile body and a pile body chuck in the first aspect, where the screw pile body has a polish rod portion, and the pile body chuck is adapted to be sleeved on the polish rod portion of the screw pile body through a pile body avoiding hole. Because the screw pile includes the pile body chuck, the screw pile has the same effect as the pile body chuck, and a detailed description thereof will be omitted.

In an alternative embodiment, the pile body chucks have at least two, each pile body chuck is sleeved on the polish rod portion of the spiral pile body along the axial direction, and the pile body avoidance grooves on the pressurizing blocks of the two adjacent pile body chucks are oriented to be perpendicular to each other. This scheme sets up two pile body chucks and cup joints in the spiral pile body, further increases the horizontal bearing capacity of spiral pile body, moreover, the orientation mutually perpendicular in groove is dodged to the pile body on the pressurization piece of two adjacent pile body chucks to the bearing capacity of each direction on the even increase spiral pile body level.

In an alternative embodiment, the screw pile further comprises a flexible isolation sleeve sleeved on the polish rod part of the screw pile body; the pile body chuck is sleeved outside the flexible isolation sleeve. The flexible isolation sleeve isolates the pile body chuck from the spiral pile body, and in frost heaving soil, the influence of upward pulling force applied to the spiral pile body when the pile body chuck is displaced due to frost heaving is eliminated.

In a third aspect, the utility model further provides a photovoltaic bracket, which comprises a bracket body and the spiral pile in the second aspect, wherein the top end of the spiral pile is fixedly connected with the bottom of the bracket body. Because the photovoltaic bracket includes the screw pile, the photovoltaic bracket has the same effect as the screw pile, and a detailed description thereof is omitted.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of a pile body chuck according to an embodiment of the present utility model in a non-occluded condition;

FIG. 2 is a top view of the pile body chuck shown in FIG. 1;

FIG. 3 is an isometric view of the pile body chuck of FIG. 1 in a bite condition;

FIG. 4 is a front view of the pile body chuck shown in FIG. 3;

FIG. 5 is a schematic view of a pile body of a screw pile according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a screw pile according to an embodiment of the present utility model in a non-occluded condition;

FIG. 7 is a schematic view of the screw pile of FIG. 6 in a bite condition;

FIG. 8 is a schematic view of another screw pile according to an embodiment of the present utility model;

fig. 9 is a schematic structural view of a screw pile according to still another embodiment of the present utility model.

Reference numerals illustrate:

1. pressurizing the block; 101. pile body avoiding grooves; 102. a bite portion; 1021. a tenon; 1022. a tongue and groove; 103. a limit groove; 2. an axial limiting fixed block; 3. a spiral pile; 301. a polish rod part; 302. a spiral part; 303. a connection part; 4. a flexible spacer sleeve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The screw pile 3 is a pile in which one or more screw blades are provided on a pile body and the pile body is vertically driven into the ground by applying torque to the pile head. The spiral pile 3 has the advantages of high construction speed, controllable construction quality and convenient pile top elevation adjustment, can well meet the requirements of environmental protection and water and soil conservation, and can greatly reduce excavation of earth and stone, thereby reducing damage to surface vegetation and topsoil. The application of the screw pile 3 on the photovoltaic project is wider and wider at present, and the screw pile is gradually becoming a bracket system basic scheme which is common in the photovoltaic industry and is most worthy of popularization. The screw pile 3 can bear the load in the vertical and horizontal directions, but the diameter of the pile body of the screw pile is smaller, and the screw blades are mainly distributed at the end part of the pile body, so that the horizontal bearing capacity of the screw pile 3 is relatively low, the solar cell panel is installed in the environment with larger horizontal wind direction load, the lower horizontal bearing capacity of the traditional screw pile 3 can not meet the requirement of the photovoltaic project, and the screw pile 3 is also a short plate applied to the photovoltaic project.

An embodiment of the present utility model is described below with reference to fig. 1 to 9.

According to an embodiment of the present utility model, in one aspect, referring to fig. 1 to 3, the present utility model provides a pile chuck, which includes two pressurizing blocks 1 adapted to be disposed around a pile body, opposite sides of each pressurizing block 1 being provided with a pile body avoiding groove 101 and an engagement portion 102, respectively; under the meshing working condition, pile body avoiding grooves 101 of the two pressurizing blocks 1 form pile body avoiding holes sleeved on the pile bodies, and meshing parts 102 of the two pressurizing blocks 1 are meshed with each other in the radial direction of the pile bodies.

In actual use, the pile body chuck forms a pile body avoiding hole through pile body avoiding grooves 101 of the two pressurizing blocks 1, is sleeved on the pile body, and is fixedly meshed with the radial direction of the pile body through meshed parts 102 of the two pressurizing blocks 1. The pile body chuck and the pile body are buried underground together to increase the horizontal bearing capacity of the pile body, so that the solar panel on the photovoltaic bracket is more stable when encountering the condition of larger horizontal wind direction load; the pile body chuck consists of two pressurizing blocks 1 so as to avoid other protruding parts connected or arranged on the pile body, and the pile body chuck is conveniently sleeved on the pile body; the engaging parts 102 of the two pressurizing blocks 1 are engaged and fixed in the radial direction of the pile body, so that the engaging mode is simplified while the stability of the pile body chuck is met, and the two pressurizing blocks 1 are connected and disassembled conveniently.

In this embodiment, with emphasis on fig. 6, the two pressurizing blocks 1 are respectively suitable for surrounding the outer side of the peripheral surface of the pile body through the pile body avoiding groove 101, and when moving to the same position of the pile body along the axial direction of the pile body, the two pressurizing blocks 1 are configured to be in a meshed working condition. The embodiment is a specific implementation mode of the engagement working condition.

In this embodiment, as shown in fig. 1 and 2, the engagement portion 102 of the pressurizing blocks 1 includes staggered tenons 1021 and mortises 1022, and the two pressurizing blocks 1 are mutually center-symmetrical with respect to the pile axis, and the tenons 1021 of one pressurizing block 1 and the mortises 1022 of the other pressurizing block 1 are mutually joggled. This embodiment is a specific structure of the engagement portion 102.

In this embodiment, referring to fig. 1 to 4, the chuck further comprises an axial limit fixing block 2; the side surface of the pressurizing block 1 adjacent to the side provided with the pile body avoiding groove 101 is provided with a limiting groove 103, and under the occlusion working condition, the limiting grooves 103 of the two pressurizing blocks 1 are mutually communicated to form a limiting block accommodating space; the axial limiting fixed block 2 is arranged in the limiting block accommodating space so as to mutually fix the two pressurizing blocks 1 in the axial direction of the pile body. In this scheme axial spacing fixed block 2 locates in the stopper accommodation space, makes two pressurization pieces 1 in the axial fixity of pile body, has increased the steadiness of pile body chuck.

In this embodiment, the axial limit fixed block 2 is made of stone; and/or the pressurizing block 1 is made of precast concrete. The axial limiting fixed block 2 and the pressurizing block 1 are buried below the ground in actual use, the environment is moist, the axial limiting fixed block 2 and the pressurizing block 1 in the scheme are respectively made of stone and precast concrete, the strength of the structure can be guaranteed, the structure cannot be corroded, and the service life is prolonged.

It should be noted that the "and/or" means "and/or" front structure and "and/or" rear structure are simultaneously or alternatively arranged, preferably, the axial limit fixing block 2 is made of stone material, and at the same time, the pressurizing block 1 is made of precast concrete; more specifically, the stone material that axial spacing fixed block 2 selected for use is granite, and its size is unanimous with stopper accommodation space size, and inside the inside of stopper accommodation space was pressed into to axial spacing fixed block 2 with interference fit's mode.

In this embodiment, the wall of the pile body avoiding groove 101 of the pressurizing block 1 coincides with the circumferential surface of the pile body. This scheme increases the laminating nature of pile body chuck and pile body, makes to be connected between pile body chuck and the pile body more firm.

In particular, the radial cross section of the pile body includes, but is not limited to, a polygon such as a circle, a rectangle, a hexagon, etc., and the avoidance groove of the pressurizing block 1 is attached to the peripheral surface of the pile body.

According to an embodiment of the present utility model, on the other hand, referring to fig. 6 and 7, there is further provided a screw pile 3 including a screw pile body having a polish rod portion 301 and a pile body chuck in the first aspect, the pile body chuck being adapted to be sleeved on the polish rod portion 301 of the screw pile body through a pile body avoiding hole. Because the screw pile 3 includes the pile body chuck, the screw pile 3 has the same effect as the pile body chuck, and a detailed description thereof will be omitted.

Specifically, the screw pile body further comprises a connecting part 303 positioned at the pile top and a screw part 302 positioned at the pile head, wherein the polished rod part 301 is positioned between the connecting part 303 and the screw part 302; the circumferential surface of the connecting part 303 is welded with a positioning nut and other components so as to apply torque to the spiral pile body and also be used for connecting the support body of the photovoltaic support; the spiral portion 302 is provided with one or more spiral blades, and the end portion is in a pointed structure, and referring to fig. 5 to 9, it should be noted that all the spiral blades are shown.

In this embodiment, referring to fig. 8 and 9, there are at least two pile chucks, each pile chuck is sleeved on the polish rod portion 301 of the spiral pile body along the axial direction, and the directions of the pile body avoiding grooves 101 on the pressurizing blocks 1 of two adjacent pile chucks are mutually perpendicular. This scheme sets up two pile body chucks and cup joints in the spiral pile body, further increases the horizontal bearing capacity of spiral pile body, moreover, the orientation mutually perpendicular of groove 101 is dodged to the pile body on the pressurization piece 1 of two adjacent pile body chucks to evenly increase the bearing capacity of each direction on the spiral pile body level.

For convenience of understanding, fig. 8 and 9 respectively show two different embodiments, specifically, the orientation of the pile avoiding grooves 101 on the pressurizing blocks 1 of the two pile chucks shown in fig. 8 is identical, and the orientation of the pile avoiding grooves 101 on the pressurizing blocks 1 of the two pile chucks shown in fig. 9 are mutually perpendicular. Both embodiments can further increase the horizontal bearing capacity of the pile body of the screw pile, but only the embodiment shown in fig. 9 can uniformly increase the bearing capacity of the pile body of the screw pile in all directions horizontally.

In this embodiment, referring to fig. 1 to 3 and fig. 5 to 9, with emphasis on fig. 9, the screw pile 3 further includes a flexible isolation sleeve 4 sleeved on the polish rod portion 301 of the screw pile body; the pile body chuck is sleeved outside the flexible isolation sleeve 4. The flexible isolation sleeve 4 isolates the pile body chuck from the spiral pile body, and in frost heaving soil, the influence of upward pulling force on the spiral pile body when the pile body chuck is displaced due to frost heaving is eliminated.

According to an embodiment of the present utility model, in a further aspect, the present utility model further provides a photovoltaic support, including a support body and the screw pile 3 in the second aspect, wherein a top end of the screw pile 3 is fixedly connected with a bottom of the support body. Because the photovoltaic bracket includes the screw pile 3, the photovoltaic bracket has the same effect as the screw pile 3, and a detailed description thereof will be omitted.

Finally, to further refine the embodiment, the thickness of the pressurizing block 1 ranges from 100mm to 150mm, including but not limited to, the radial cross section of the pile chuck formed by the two pressurizing blocks 1 is square, and preferably the side length of the square formed is in the range from 250mm to 350mm. More specifically, a pile body avoiding hole formed by the pile body avoiding groove 101 is positioned in the middle of the pile body chuck, and the diameter of the pile body avoiding hole is 6mm in addition to the diameter of the pile body.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims (10)

1. A pile body chuck, comprising:

two pressurizing blocks (1) which are suitable for being arranged around the pile body in a relative mode, and pile body avoiding grooves (101) and engaging parts (102) are respectively arranged on opposite sides of each pressurizing block (1);

under the meshing working condition, pile body avoiding grooves (101) of the two pressurizing blocks (1) form pile body avoiding holes sleeved on the pile bodies, and meshing parts (102) of the two pressurizing blocks (1) are meshed and fixed with each other in the radial direction of the pile bodies.

2. Pile body chuck according to claim 1, characterized in that the two pressure increasing blocks (1) are respectively adapted to surround the pile body peripheral surface outer side through the pile body avoiding grooves (101), and when moving to the same position of the pile body along the axial direction of the pile body, the two pressure increasing blocks (1) are configured to be engaged.

3. Pile body chuck according to claim 1 or 2, characterized in that the engagement portion (102) of the pressure increasing blocks (1) comprises staggered tenons (1021) and mortises (1022), the two pressure increasing blocks (1) being mutually centrosymmetric with respect to the pile body axis, wherein the tenons (1021) of one pressure increasing block (1) are mutually mortised with the mortises (1022) of the other pressure increasing block (1).

4. Pile-body chuck according to claim 1, characterized in that it further comprises an axial limit fixed block (2);

a limiting groove (103) is formed in the side surface, adjacent to one side provided with the pile body avoiding groove (101), of the pressurizing block (1), and the limiting grooves (103) of the two pressurizing blocks (1) are mutually communicated and form a limiting block accommodating space under the occlusion working condition;

the axial limiting fixed blocks (2) are arranged in the limiting block accommodating space, so that the two pressurizing blocks (1) are mutually fixed in the axial direction of the pile body.

5. Pile chuck according to claim 4, characterised in that the axial limit fixed block (2) is made of stone;

and/or the pressurizing block (1) is made of precast concrete.

6. Pile chuck according to claim 1, characterised in that the pile-avoiding groove (101) walls of the pressure block (1) coincide with the circumferential surface of the pile.

7. A screw pile (3), characterized by comprising:

the spiral pile body is provided with a polish rod part (301);

the pile body chuck of any one of claims 1 to 6, adapted to be sleeved on a polish rod portion (301) of the screw pile body through the pile body relief hole.

8. Screw pile (3) according to claim 7, characterized in that the pile body chucks are at least two, each pile body chuck is sleeved on the polish rod part (301) of the screw pile body along the axial direction, and the directions of pile body avoiding grooves (101) on the pressurizing blocks (1) of two adjacent pile body chucks are mutually perpendicular.

9. A screw pile (3) according to claim 7 or 8, characterized in that the screw pile (3) further comprises:

the flexible isolation sleeve (4) is sleeved on the polish rod part (301) of the spiral pile body;

the pile body chuck is sleeved outside the flexible isolation sleeve (4).

10. A photovoltaic bracket, characterized in that: comprising the following steps:

a bracket body;

the screw pile (3) according to any one of claims 7 to 9, the top end being fixedly connected to the bottom of the holder body.