CN214574107U

CN214574107U - Offshore mud flat foundation photovoltaic cylinder type support foundation

Info

Publication number: CN214574107U
Application number: CN202023230673.6U
Authority: CN
Inventors: 周密; 周树津
Original assignee: South China University of Technology SCUT
Current assignee: South China University of Technology SCUT
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-02
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an coastal waters mud flat ground photovoltaic cylinder type support basis. The cylindrical support foundation comprises bolt holes, a piling fixing steel pipe, a truss, a clamping groove and a cylindrical foundation; the top of truss is equipped with the bolt hole, and the fixed steel pipe of pile is located the upper portion of truss, and the draw-in groove sets up in the edge at barrel type basis top, the bottom fixed connection of barrel type basis top and truss. This novel pile foundation adopts the form that barrel type basis and truss structure combine, and the certain degree of depth of barrel type basis injection ground is through truss connection photovoltaic equipment, for photovoltaic equipment provides the ability of antidumping and resistance to plucking.

Description

Offshore mud flat foundation photovoltaic cylinder type support foundation

Technical Field

The utility model relates to a pile foundation technical field, concretely relates to coastal waters mud flat ground photovoltaic cylinder type support basis.

Background

The development of terrestrial photovoltaics is severely limited by land due to scarcity of land resources. At present, offshore mudflats are difficult to utilize, land is idle, and opportunities are provided for the application of offshore mudflat photovoltaic technology. However, the soft sludge is covered on the soil body of the offshore beach foundation, the bearing capacity is small, and the construction cost of the pile foundation is limited by photovoltaic benefits, so that great challenges are brought to the foundation design. Wang Hai Yan et al propose a prefabricated reinforced concrete pile foundation as a photovoltaic support foundation, which can be applied to mudflat areas with poor foundation bearing capacity, high underground water level and difficult earthwork excavation (Wang Hai Yan, Liyan, Zhenghong, etc. the photovoltaic support foundation structure and the construction method are applicable to mudflat photovoltaic power stations). But because the self weight of the reinforced concrete pile is larger, the beach foundation is difficult to meet the requirements of bearing capacity and settlement. The photovoltaic cylinder type support foundation is low in manufacturing cost, large in bearing capacity and suitable for mud flat soft soil foundations.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel pile foundation possesses stability, easy construction and low in cost, to advantages such as deep weak soil foundation strong adaptability. In order to reduce cost, reduce and use the steel volume, this novel pile foundation adopts the form that barrel type basis and truss structure combine, and the certain degree of depth of barrel type basis penetration ground is through truss connection photovoltaic equipment, for photovoltaic equipment provides the ability of antidumping and resistance to plucking.

The purpose of the utility model is realized through one of following technical scheme at least.

A photovoltaic cylindrical support foundation for an offshore beach foundation comprises bolt holes, pile-driving fixing steel pipes, a truss, clamping grooves and a cylindrical foundation;

the top of truss is equipped with the bolt hole, and the fixed steel pipe of pile is located the upper portion of truss, and the draw-in groove sets up in the edge at barrel type basis top, the bottom fixed connection of barrel type basis top and truss.

Furthermore, the cylindrical foundation is a semi-closed cylindrical structure with a downward opening, the top of the cylindrical foundation is fixedly connected with the bottom of the truss, and the upper load is transmitted to the cylindrical foundation through the truss.

Further, the material of the barrel-shaped foundation is steel.

Furthermore, the top of the cylindrical foundation is provided with 4 clamping grooves which are uniformly and symmetrically arranged around the top of the cylindrical foundation and used for connecting the cylindrical support foundation with the pile feeder, so that the cylindrical foundation is conveniently and completely penetrated into the foundation during construction.

Further, the bottom of the truss is fixedly connected with the top of the cylindrical foundation, and the other end of the truss is connected with the photovoltaic equipment through a bolt hole.

Furthermore, the upper portion of truss is equipped with the fixed steel pipe of pile, and the fixed steel pipe of pile runs through the truss to the horizontal focus that passes the horizontal direction of triangle-shaped truss for be connected the base of section of thick bamboo type support with the pile follower, be convenient for construct with section of thick bamboo type base complete penetration in the ground.

Furthermore, when the cylindrical foundation is completely penetrated into the foundation, the truss needs to be penetrated into the foundation by the depth of 1.5-2.5D, wherein D is the diameter of the cylindrical foundation.

Further, the truss plane arrangement is in a triangular arrangement; the truss is a space structure with triangular units and formed by straight steel pipes.

Further, the truss top is provided with 3 bolt holes, and the plane is evenly arranged in 3 edges of triangle-shaped truss, and the truss of being convenient for passes through bolted connection with photovoltaic equipment.

Further, the diameter of the cylindrical foundation is D, the height of the cylindrical foundation is D/2, and the value range of D is 1.5m to 3 m.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a core is exactly in penetrating into the ground completely with the section of thick bamboo type basis, also in penetrating into the ground equally with basic top fixed connection's truss, possesses the advantage that stability is good and be convenient for be under construction, possesses good antidumping and resistance to plucking's ability, has solved traditional pile foundation and need to punch through the problem that silt just can obtain great bearing capacity, has avoided the problem that the cost is expensive.

2. The utility model discloses a set up the draw-in groove, will send a ware card to go into in the draw-in groove, can be connected with tubular support foundation with sending a ware, be convenient for with photovoltaic tubular support foundation construction injection weak soil.

Drawings

Fig. 1 is a top view of an offshore beach photovoltaic cylinder type stent foundation according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a near beach photovoltaic cannister type stent foundation according to an embodiment of the present invention.

Fig. 3 is a partial structural schematic diagram of an offshore beach photovoltaic cylinder type support foundation according to an embodiment of the present invention.

Detailed Description

Embodiments of the offshore beach cylinder type stent foundation according to the invention will be described below with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.

Example (b):

an offshore mud flat foundation photovoltaic cylindrical bracket foundation is shown in figure 1 and comprises bolt holes 1, pile driving fixing steel pipes 2, a truss 3, a clamping groove 4 and a cylindrical foundation 5;

the top of truss 3 is equipped with bolt hole 1, and pile fixed steel pipe 2 is located the upper portion of truss 3, and draw-in groove 4 sets up in the edge at 5 tops of cartridge type basis, 5 tops of cartridge type basis and the bottom fixed connection of truss 3.

As shown in fig. 1, the cylindrical foundation 5 is a semi-closed cylindrical structure with a downward opening, the top of the cylindrical foundation is fixedly connected with the bottom of the truss 3, and the upper load is transmitted to the cylindrical foundation 5 through the truss 3.

The cylindrical foundation 5 is made of steel.

As shown in fig. 2 and 3, the top of the cylindrical foundation 5 is provided with 4 clamping grooves 4, which are uniformly and symmetrically arranged around the top of the cylindrical foundation 5, for connecting the cylindrical support foundation with the pile feeder, so as to facilitate the construction of completely penetrating the cylindrical foundation 5 into the foundation.

As shown in fig. 1, the bottom of the truss 3 is fixedly connected with the top of the cylindrical foundation 5, and the other end of the truss 3 is connected with the photovoltaic equipment through the bolt hole 1.

As shown in fig. 1, a piling fixing steel pipe 2 is arranged at the upper part of the truss 3, the piling fixing steel pipe 2 penetrates through the truss 3 and horizontally penetrates through the center of gravity of the triangular truss 3 in the horizontal direction, so that the cylindrical support foundation and the pile feeder are connected, and the cylindrical foundation 5 is conveniently and completely penetrated into the foundation in construction.

When the cylindrical foundation 5 is completely penetrated into the foundation, the truss 3 needs to penetrate into the foundation by the depth of 1.5D-2.5D, wherein D is the diameter of the cylindrical foundation 5.

As shown in fig. 2, the planar arrangement of the girders 3 is a triangular arrangement. The truss 3 is a space structure with triangular units, which is composed of straight steel pipes.

As shown in fig. 2, the top of the truss 3 is provided with 3 bolt holes 1, and the planes are uniformly arranged at 3 corners of the triangular truss, so that the truss 3 and the photovoltaic equipment can be conveniently connected through bolts.

The diameter of the cylindrical foundation 5 is D, the height is D/2, and in the embodiment, the value of D is 2 m.

An offshore beach photovoltaic cylinder stent foundation according to the invention is described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the offshore mud flat photovoltaic cylinder type support foundation provided by the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.

Claims

1. The photovoltaic cylindrical support foundation for the offshore beach foundation is characterized by comprising bolt holes (1), pile driving fixing steel pipes (2), a truss (3), clamping grooves (4) and a cylindrical foundation (5);

the top of truss (3) is equipped with bolt hole (1), and fixed steel pipe of pile (2) are located the upper portion of truss (3), and draw-in groove (4) set up in the edge at shell type basis (5) top, the bottom fixed connection of shell type basis (5) top and truss (3).

2. Offshore beach foundation photovoltaic cell-type support foundation according to claim 1, wherein the cell-type foundation (5) is a semi-closed cell-type structure with a downward opening, the top part being fixedly connected to the bottom of the truss (3), and the upper load being transferred to the cell-type foundation (5) via the truss (3).

3. Offshore beach foundation photovoltaic cylinder-type support foundation according to claim 1, characterised in that the material of the cylinder-type foundation (5) is steel.

4. Offshore mud flat base photovoltaic cylinder type support foundation according to claim 1, characterized by the fact that the top of the cylinder type foundation (5) is provided with 4 slots (4) evenly and symmetrically arranged around the top of the cylinder type foundation (5) for connecting the cylinder type support foundation with the pile feeder.

5. Offshore beach foundation photovoltaic cylinder-type support foundation according to claim 1, wherein the bottom of the truss (3) is fixedly connected to the top of the cylinder-type foundation (5), and the other end of the truss (3) is connected to a photovoltaic device through a bolt hole (1).

6. Offshore mud flat foundation photovoltaic cylinder type support foundation according to claim 1, characterized by the fact that the upper part of the truss (3) is provided with a piling fixed steel pipe (2), the piling fixed steel pipe (2) runs through the truss (3) and horizontally passes through the center of gravity of the triangular truss (3) in the horizontal direction for connecting the cylinder type support foundation with a pile feeder.

7. An offshore beach foundation photovoltaic cylinder type support foundation according to claim 1, wherein the truss (3) is required to penetrate the foundation to a depth of 1.5D to 2.5D, D being the diameter of the cylinder type foundation (5), when the cylinder type foundation (5) is completely penetrated into the foundation.

8. Offshore beach foundation photovoltaic cylinder-type support foundation according to claim 1, characterized in that the truss (3) is arranged in a triangular plan; the truss (3) is a space structure which is composed of straight steel pipes and is provided with triangular units.

9. Offshore beach foundation photovoltaic cylinder-type support foundation according to claim 5, wherein the truss (3) is provided with 3 bolt holes (1) at the top and the planes are evenly arranged at the 3 corners of the triangular truss, facilitating the bolted connection of the truss (3) with the photovoltaic equipment.

10. The offshore beach foundation photovoltaic cylinder-type support foundation of any one of claims 1-9, wherein the cylinder-type foundation (5) has a diameter D and a height D/2, D ranging from 1.5m to 3 m.