CN209741894U - Heliostat spiral ground pile foundation - Google Patents

Abstract

The utility model provides a heliostat spiral ground pile foundation, which relates to the technical field of power station foundation equipment, can realize the quick and efficient construction and use, realize the recycling, reduce the cost and the pollution, and has no need of large-scale excavation and little ecological damage; the foundation comprises a connecting plate, a quick-mounting bracket and a plurality of spiral ground piles; the bottom end of the spiral ground pile is arranged at the ground bottom, and the top end of the spiral ground pile is connected with the connecting plate; the fast-assembling support is arranged above the connecting plate and connected with the heliostat upright column; the quick-mounting bracket is arranged at the axis of the connecting plate; the quick-mounting bracket comprises a short steel pipe and a flange which are coaxial and arranged up and down; and a plurality of stiffening plates are arranged on the connecting plate. The utility model provides a technical scheme is applicable to the in-process that the heliostat basis found.

Description

Heliostat spiral ground pile foundation

[ technical field ] A method for producing a semiconductor device

The utility model relates to a power station basic equipment technical field especially relates to a heliostat spiral ground pile basis.

[ background of the invention ]

In recent years, solar thermal power generation technology is more and more favored by people. Tens of thousands of heliostats are used as key parts of a tower type solar thermal power station, the basis of the heliostats is an important component for ensuring the safe and normal operation of the solar thermal power station, and the construction of the heliostats also occupies a large part of the investment and the construction period of the power station. Therefore, the heliostat foundation needs to meet the requirements of bearing capacity and deformation, and has the advantages of low manufacturing cost, short construction period, easy construction, environmental protection and the like.

The concrete foundation is adopted in most of traditional heliostat foundations, and although the strength and the rigidity meet the engineering requirements, the traditional concrete foundation has the defects of earth excavation, environment damage, long construction period, high requirements on site conditions, incapability of recycling, difficulty in removal, high construction noise, high vibration, large disturbance on peripheral piles and the like, so that in the face of a large-size heliostat foundation, how to improve the economic benefit and the social benefit of construction is a problem to be considered by designers.

[ Utility model ] content

In view of this, the utility model provides a heliostat spiral ground pile basis need not extensive excavation, ecological destruction is little, can realize high efficiency's construction and use, realizes recycle, reduce cost and pollution.

On one hand, the utility model provides a heliostat spiral ground pile foundation, which is characterized by comprising a connecting plate, a fast-assembling bracket and a plurality of spiral ground piles; the bottom end of the spiral ground pile is arranged at the ground bottom, and the top end of the spiral ground pile is connected with the connecting plate; the fast-assembling support is arranged above the connecting plate and connected with the heliostat upright column; and a plurality of stiffening plates are arranged on the connecting plate.

The above-mentioned aspects and any possible implementation manner further provide an implementation manner, where the concrete arrangement manner of the stiffener is as follows: and the stiffening plates are respectively arranged between the adjacent spiral ground piles and between the spiral ground piles and the quick-mounting support.

The above aspects and any possible implementations further provide an implementation, where the quick mount includes a short steel tube and a flange; the short steel pipe and the flange are coaxial, and the top end of the short steel pipe is connected with the flange.

In accordance with the above aspect and any possible implementation manner, there is further provided an implementation manner, wherein a plurality of prefabricated holes are formed on the connecting plate; the spiral ground piles penetrate through the corresponding prefabricated holes and are fixedly connected with the connecting plates.

The above aspect and any possible implementation manner further provide an implementation manner, and the screw pile is fixedly connected with the connecting plate by fastening or welding with a nut.

The above aspect and any possible implementation manner further provide an implementation manner, wherein the number of the spiral ground piles is N, and the distribution shape is an equilateral N-sided polygon, and N is not less than 3.

The above aspects and any possible implementations further provide an implementation, where the quick mount bracket is disposed at an axial center of the connecting plate.

Compared with the prior art, the utility model discloses can obtain including following technological effect: the method has the advantages of no need of large-scale excavation, no need of fresh water consumption, little ecological damage, realization of rapid and efficient construction and use, realization of recycling, and cost and pollution reduction.

of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic elevation structure view of a heliostat spiral ground pile foundation provided by an embodiment of the present invention;

Fig. 2 is a schematic top view of a heliostat spiral ground pile foundation according to an embodiment of the present invention;

FIG. 3 is a schematic view of an elevation of an above-ground portion of a spiral ground pile foundation of a heliostat according to an embodiment of the invention;

Fig. 4 is a schematic structural view of three common spiral ground piles according to an embodiment of the present invention; wherein, fig. 4.1 is a full thread screw pile, fig. 4.2 is a double-blade screw pile, and fig. 4.3 is a novel screw pile.

In the figure, the position of the upper end of the main shaft,

the method comprises the following steps of 1-spiral ground pile, 2-connecting plate, 3-fast-assembling support, 4-stiffening plate, 5-spiral blade, 6-prefabricated hole, 7-short steel pipe, 8-flange, 9-heliostat upright column and 10-heliostat.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

In order to overcome the defects of the prior art, the utility model discloses the advantage of make full use of spiral ground stake is applied to solar thermal power station with it, has provided a heliostat spiral ground stake basis.

A heliostat spiral ground pile foundation is shown in figure 1 and comprises a plurality of spiral ground piles 1, connecting plates 2 and fast-assembling supports 3. Most vertical or the screw in ground end of slope of spiral ground stake 1, the top of overground part all with 2 fixed connection of connecting plate that the level set up, the top of connecting plate 2 is equipped with fast-assembling support 3, fast-assembling support 3 is used for being connected with the bottom of heliostat stand 9, heliostat 10 is connected on the top of heliostat stand 9.

as shown in fig. 2-3, the quick-mounting bracket 3 comprises a short steel pipe 7 and a flange 8. The short steel tube 7 is arranged in the middle of the connecting plate 2, the bottom end of the short steel tube is connected with the upper surface of the connecting plate 2, the top end of the short steel tube is fixedly connected with the lower surface of the flange 8, and the connecting mode can be welding. The short steel pipe 7 and the flange 8 are coaxial, that is, the axial center of the short steel pipe 7 and the axial center of the flange 8 are on the same vertical line. The short steel tube 7 is welded at the bottom end of the flange 8. And a plurality of stiffening plates 4 are arranged around the short steel pipe 7 and used for uniformly dispersing high-altitude stress of the heliostat and the heliostat stand column to the whole fast-assembling support and the connecting plate and enhancing the stability of the stand column. The flange supplies heliostat stand installation usefulness, can adopt square or circular, specifically chooses for use according to heliostat installation needs.

The outward flange department of connecting plate 2 evenly is equipped with a plurality of prefabricated holes 6, and 6 sizes and the position in prefabricated hole and 1 phase-matchs in spiral ground pile, and the top of spiral ground pile 1 passes behind the prefabricated hole 6 that corresponds and connecting plate 2 fixed connection. Specifically, a plurality of spiral ground piles 1 are installed on a connecting plate 2 through nut fastening or welding to form a pile group. Stiffening plates 4 are arranged between the adjacent spiral ground piles 1 above the connecting plate 2, and the stiffening plates 4 are arranged between each spiral ground pile 1 and the short steel pipe 7 or between the axis of each spiral ground pile 1 and the short steel pipe 7. Preferably, the number of the spiral ground piles 1 is six, six spiral ground piles 1 form an equilateral hexagon with the short steel pipe 7 as the center, and stiffening plates 4 are respectively arranged at each side of the hexagon and between each end corner and the center, as shown in fig. 3. The overall plan shape of the connecting plate 2 is the same as the distribution shape of the prefabricated holes 6. It should be noted that the number of the spiral piles 1 is not limited to 6, but may be other numbers, such as N, in which case the distribution shape of the spiral piles 1 and the distribution shape of the preformed holes 6 are both equilateral N.

The spiral ground pile 1, the connecting plate 2, the fast-assembling support 3, the connecting plate 2 and the spiral ground pile 1 are assembled into a whole through the stiffening plate 4, and the overall strength and rigidity are improved.

The spiral ground pile 1 is a tubular pile or a column pile made of metal or nonmetal materials and provided with spiral blades 5. Fig. 4 is a schematic diagram of three general screw pile structures. The three common spiral ground piles comprise long cylindrical ground pile bodies and spiral blades 5 surrounding the ground pile bodies. The ground part of the spiral ground pile 1 is a smooth section, namely, the spiral blade 5 is not arranged, and only the underground part is arranged. According to the shape and the number of the helical blades, the helical ground pile is divided into a full-thread type, a double-blade type and a novel helical ground pile, specifically, fig. 4.1 is a structural schematic diagram of the full-thread helical ground pile, fig. 4.2 is a structural schematic diagram of the double-blade helical ground pile, and fig. 4.3 is a structural schematic diagram of the novel helical ground pile. In engineering, a special spiral ground pile screwing device is used for screwing the unsmooth section of the spiral ground pile into the ground.

The utility model discloses the spiral ground pile commonly used who lists only is used for the illustration and not the restriction the technical scheme of the utility model. Therefore, deductions or partial replacements, such as the form of the spiral ground pile, the shape of the connecting plate, the form adjustment of the quick-mounting bracket, etc., without departing from the spirit and scope of the present invention should be considered as being covered by the protection scope of the present invention.

The advantages of the spiral ground pile type heliostat upright column foundation are as follows:

1. The spiral ground pile does not need to be excavated in a large scale, has no pollution, does not need to consume fresh water, and has the lowest ecological damage; the construction is rapid and efficient; the pile foundation can be directly loaded after construction and is immediately put into use; suitable for all formations except rock.

2. The spiral contact with soil makes the spiral pile have high bearing capacity. The construction has low noise, no vibration and no influence on peripheral piles.

3. The reverse screwing can be recovered for cyclic utilization, no underground obstacle is left, and the transfer cost is reduced.

In conclusion, the heliostat is installed by adopting the compression resistance, the pulling resistance and the horizontal bearing capacity provided by the pile group foundation combined by the spiral ground piles, and has good economic and social benefits.

The heliostat spiral ground pile foundation provided by the embodiment of the application is described in detail above. The above description of the embodiments is only for the purpose of helping to understand the method of the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

As used in the specification and claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

it should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims (7)

1. A heliostat spiral ground pile foundation is characterized by comprising a connecting plate, a quick-mounting support and a plurality of spiral ground piles; the bottom end of the spiral ground pile is arranged at the ground bottom, and the top end of the spiral ground pile is connected with the connecting plate; the fast-assembling support is arranged above the connecting plate and connected with the heliostat upright column; and a plurality of stiffening plates are arranged on the connecting plate.

2. A heliostat spiral pile foundation according to claim 1, wherein the concrete arrangement of the stiffening plates is as follows: and the stiffening plates are respectively arranged between the adjacent spiral ground piles and between the spiral ground piles and the quick-mounting support.

3. A heliostat spiral pile foundation of claim 1, wherein the quick mount support comprises a short steel tube and a flange; the short steel pipe and the flange are coaxial, and the top end of the short steel pipe is connected with the flange.

4. A heliostat spiral ground pile foundation according to any of claims 1 to 3, wherein the number of spiral ground piles is N, and the distribution shape is an equilateral N-sided polygon, N being not less than 3.

5. A heliostat spiral pile foundation of claim 4, wherein the quick mount bracket is located at an axial center of the connecting plate.

6. A heliostat spiral pile foundation according to any of claims 1 to 3, wherein the connecting plate is provided with a plurality of prefabricated holes; the spiral ground piles penetrate through the corresponding prefabricated holes and are fixedly connected with the connecting plates.

7. A heliostat spiral pile foundation according to claim 6, wherein the spiral pile is fixedly connected with the connecting plate by means of nut fastening or welding.