Photovoltaic support and photovoltaic pile foundation connecting structure capable of facilitating assembly

Abstract

A photovoltaic support and photovoltaic pile foundation connecting structure capable of facilitating assembly. The connecting structure comprises a photovoltaic support, a photovoltaic pile foundation (2) and a connection joint (3), wherein the connection joint comprises a support cylinder seat (31), a plurality of connecting holes (311) are provided in the side wall of the support cylinder seat, and a vertical upward pin (6) is provided in the center of a bottom plate (312) of the support cylinder seat; a connection tube (1) is provided at the lower end of the photovoltaic support, and a plurality of radially distributed fixing rods (5) which can slide in the horizontal direction are provided in an inner cavity of the connection tube; a plurality of through holes (11) are provided in the side wall of the connection tube, and the inner end of each fixing rod is connected to a pin guide piece (4) extending downwards; when the connection tube is inserted into the support cylinder seat, the pin guide pieces are in contact with the pin in the support cylinder seat so as to push the fixing rods to slide outwards, and the outer ends of the fixing rods pass through the through holes in the side wall of the connection tube and are inserted into the connecting holes in the side wall of the support cylinder seat, such that the photovoltaic support and the photovoltaic pile foundation are connected together, thereby facilitating an improvement in the overall construction efficiency, safety and economy of a photovoltaic power generation project.

Description

A connection structure of a photovoltaic support and a photovoltaic pile foundation with convenient assembly

[0001] Cross-reference to Related Applications

[0002] The present application claims priority to the Chinese patent application No. 202410406085.7, filed on April 7, 2024, and entitled "A connection structure of a photovoltaic support and a photovoltaic pile foundation with convenient assembly", the whole content of which is incorporated herein by reference. TECHNICAL FIELD

[0003] The present application relates to the technical field of photovoltaic support connection, and in particular to a connection structure of a photovoltaic support and a photovoltaic pile foundation with convenient assembly. BACKGROUND

[0004] Under the new energy development concept, photovoltaic power generation projects develop rapidly, the number of photovoltaic power stations increases year by year, and the number of photovoltaic power station piles is huge. The photovoltaic support is a support system for photovoltaic modules in a photovoltaic power generation system. The photovoltaic support is fixedly installed on the top of the photovoltaic power station pile foundation through the connecting structure at the bottom. The safety and economy of the connection between the photovoltaic support and the pile foundation have a great influence on the entire photovoltaic power generation project.

[0005] In actual installation, the photovoltaic support is usually arranged on the top of the pile foundation by hoisting or other methods, so that the connecting structure at the bottom of the photovoltaic support is aligned with the top of the pile foundation. Then, the fixing of the connecting structure at the bottom of the photovoltaic support and the pile foundation is realized by welding or assembly. Whether the photovoltaic support and the pile foundation can be quickly and reliably connected directly affects the overall construction efficiency of the photovoltaic power generation project and the reliability and safety of the connection of the photovoltaic support. In the prior art, the photovoltaic support and the pile foundation are generally connected by a joint connected by bolts or welding. However, the connection is not firm and stable, and in the case of a large number of photovoltaic power station piles, the construction efficiency is very low, which adversely affects the economy and safety of the entire photovoltaic power generation project. SUMMARY

[0006] In view of the above shortcomings of the prior art, the technical problem to be solved by the present application is to provide a connection structure of a photovoltaic support and a photovoltaic pile foundation with convenient assembly, which can realize quick and reliable connection between the photovoltaic support and the photovoltaic pile foundation.

[0007] To solve the above technical problems, the present application adopts the following technical solutions:

[0008] The application discloses a connecting structure of a photovoltaic support and a photovoltaic pile foundation, which is convenient to assemble and comprises a photovoltaic support, a photovoltaic pile foundation and a connecting joint.

[0009] The lower end of the photovoltaic support is provided with a connecting pipe which can be inserted into the support cylinder seat; the inner cavity of the connecting pipe is provided with a plurality of fixed rods which are radially distributed and slide in the horizontal direction; the fixed rods are elastic telescopic rods; the side wall of the connecting pipe is provided with a plurality of through holes; the outer end of each fixed rod is located in a through hole on the side wall of the connecting pipe; the inner end of each fixed rod is connected with a downwardly extending bolt guide plate; and the lower end of the bolt guide plate is inclined outwardly.

[0010] When the connecting pipe is inserted into the support cylinder seat, the bolt guide plate is in contact with the bolt in the support cylinder seat, the fixed rods are pushed to slide outwardly, the outer end of the fixed rods passes through the through hole on the side wall of the connecting pipe and is inserted into the connecting hole on the side wall of the support cylinder seat, and the photovoltaic support and the photovoltaic pile foundation are connected together.

[0011] In an embodiment, the inner cavity of the connecting pipe is further provided with a guide fixed plate, and the guide fixed plate is provided with a guide structure, so that the fixed rods can only slide horizontally along the guide structure.

[0012] In an embodiment, the bottom surface of the guide fixed plate is provided with a plurality of radially distributed dovetail grooves, and each fixed rod is provided with a dovetail-shaped sliding rail which is in sliding fit with the dovetail groove.

[0013] Optionally, the photovoltaic pile foundation is a steel pipe pile.

[0014] In an embodiment, the connecting joint further comprises an outer hoop ring which is arranged at the periphery of the support cylinder seat and is connected with the top of the support cylinder seat; an annular cavity is formed between the outer hoop ring and the support cylinder seat, and the top of the photovoltaic pile foundation is inserted into the annular cavity.

[0015] In an embodiment, the connecting joint further comprises an annular cover plate, and the top of the outer hoop ring is connected with the top of the support cylinder seat through the annular cover plate.

[0016] In an embodiment, the fixed rods are four in number and are arranged in a cross shape.

[0017] In an embodiment, an annular spring is further arranged at the periphery of all the bolt guide plates.

[0018] The photovoltaic support and the photovoltaic pile foundation connection structure of the application has the following beneficial effects: the connection joint of the photovoltaic support and the photovoltaic pile foundation connection structure of the application can realize one-key plug-in during installation, facilitating assembly, and improving the construction efficiency of the photovoltaic support and the photovoltaic pile foundation connection structure, and improving the construction efficiency, safety and economy of the photovoltaic power generation project as a whole; during installation of the photovoltaic support, the bolt in the connection joint is in contact with the bolt guide plate, the bolt guide plate pushes the fixed rod to slide outward, the outer end of the fixed rod passes through the through hole in the side wall of the connecting pipe and is inserted into the connecting hole in the connection joint, so that the photovoltaic support and the photovoltaic pile foundation are connected together, the connection is firm, the stability is good, and the operation is simple; the lower end of the bolt guide plate is inclined outward, which can guide the bolt to be accurately inserted into the center of each fixed rod, and the initial centering requirement of the photovoltaic support and the photovoltaic pile foundation connection is low.

[0019] The annular spring arranged around all the bolt guide plates can ensure that the inner ends of the fixed rods are gathered together before the photovoltaic support and the photovoltaic pile foundation are connected, and the bolt guide plates and the bolts are tightly fixed together after connection, which can further improve the reliability of the connection. BRIEF DESCRIPTION OF DRAWINGS

[0020] FIG. 1 is a structural schematic view of the connection structure of the application.

[0021] FIG. 2 is a sectional view of one connection joint in the embodiment of the application.

[0022] FIG. 3 is a structural schematic view of the connecting pipe in the connection structure of the application.

[0023] FIG. 4 is a schematic view of the arrangement mode of the fixed rod in the embodiment of the application.

[0024] FIG. 5 is a schematic view of the cooperation relationship between the fixed rod and a guide structure in the embodiment of the application.

[0025] FIG. 6 is an exploded view of the photovoltaic support and the photovoltaic pile foundation connection structure of the application.

[0026] FIG. 7 is a schematic view of an intermediate state in the process of inserting the photovoltaic support into the photovoltaic pile foundation.

[0027] FIG. 8 is a partial sectional view of FIG. 1 along A-A.

[0028] FIG. 9 is a sectional view of one fixed rod in the embodiment of the application.

[0029] 1 connecting pipe 11 through hole 2 photovoltaic pile 3 connecting joint 31 support cylinder base 311 connecting hole 312 bottom plate 32 outer hoop ring 33 annular cavity 34 annular cover plate 4 pin guide plate 5 fixed rod 51 compression spring 52 push rod 53 sleeve 6 pin 7 guide fixed plate 8 annular spring 9 guide structure 91 dovetail groove 92 dovetail-shaped slide rail DETAILED DESCRIPTION

[0030] The specific embodiments of the present application will be further described in conjunction with the drawings. These embodiments are only used to illustrate the present application, and are not limiting to the present application.

[0031] In the description of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting to the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In addition, in the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0034] Referring to FIG. 1, the embodiment provides a convenient assembly of a photovoltaic support and a photovoltaic pile connecting structure, which comprises a photovoltaic support, a photovoltaic pile 2 and a connecting joint 3. The lower end of the photovoltaic support (not shown in the figure) has a connecting pipe 1, and the connecting joint 3 is fixed at the top end of the photovoltaic pile 2.

[0035] As shown in Fig. 2, the connecting joint 3 comprises a support cylinder 31 which is open upward for inserting the photovoltaic support, and a plurality of connecting holes 311 are arranged on the side wall of the support cylinder 31, the connecting holes 311 are not limited to be blind holes or through holes, and a vertical upward plug 6 is arranged at the center of the bottom plate 312 of the support cylinder 31; the connecting pipe 1 of the photovoltaic support can be inserted into the support cylinder 31.

[0036] As shown in Fig. 3 and Fig. 4, the connecting pipe 1 in the embodiment is a circular pipe, a plurality of through holes 11 are arranged on the side wall of the connecting pipe 1 and are distributed along the circumference, a plurality of fixing rods 5 are arranged in the inner cavity of the connecting pipe 1 and are distributed in a radial manner, that is, the inner end of each fixing rod 5 is close to the axis of the connecting pipe 1, and the outer end of each fixing rod 5 extends to a through hole 11 on the side wall of the connecting pipe 1 along the radial direction of the connecting pipe 1, the inner end of each fixing rod 5 is connected to a downward extending plug guide plate 4, and the lower end of each plug guide plate 4 is inclined outward. A guide fixing plate 7 is arranged in the inner cavity of the connecting pipe 1, the guide fixing plate 7 is provided with a guide structure, and the fixing rods 5 can only slide horizontally along the guide structure (slide along the radial direction of the connecting pipe 1), and the guide structure can adopt a known structure such as a sliding ring or a sliding rail.

[0037] As shown in Fig. 4 and Fig. 5, in the embodiment, the bottom surface of the guide fixing plate 7 is provided with four dovetail grooves 91 which are distributed in a radial manner; the fixing rods 5 are also four, arranged in a cross shape, and each fixing rod 5 is provided with a dovetail-shaped sliding rail 92 on the top surface, the dovetail-shaped sliding rail 92 is in sliding cooperation with the dovetail groove 91, and constitutes an optional guide structure 9.

[0038] As shown in Fig. 3, a position mark (such as an axial line) which is aligned with the center of the through hole 11 can be arranged on the outer wall of the connecting pipe 1; as shown in Fig. 2, a position mark (such as a radial line) which is aligned with the center of the connecting hole 311 can be arranged on the top end surface of the connecting joint 3. When the connecting pipe 1 is inserted into the support cylinder 31, the position mark on the outer wall of the connecting pipe 1 is aligned with the position mark on the top end surface of the connecting joint 3, so that the through hole 11 and the connecting hole 311 can be aligned conveniently.

[0039] As shown in Fig. 9, the fixing rod 5 is an elastic telescopic rod, that is, each fixing rod 5 comprises a sleeve 53 and a push rod 52, the push rod 52 can slide axially in the sleeve 53, a compression spring 51 is arranged between the inner end of the push rod 52 and the sleeve 53, the outer end of the push rod 52 is exposed from the sleeve 53, and the outer end of the push rod 52 constitutes the outer end of the fixing rod 5, so that the length of the fixing rod 5 can be elastic and telescopic as a whole. The dovetail-shaped sliding rail 92 is arranged on the top surface of the sleeve 53.

[0040] As shown in Fig. 7 and Fig. 8, when the connecting pipe 1 is inserted into the support cylinder seat 31, the latch 6 in the support cylinder seat 31 is inserted between the respective latch guide plates 4 along the axis direction of the connecting pipe 1, the latch 6 contacts the latch guide plates 4, and the respective latch guide plates 4 are spread outward, pushing the fixed rods 5 to slide outward, the outer ends of the fixed rods 5 pass through the through holes 11 on the side wall of the connecting pipe 1, and contact the inner wall of the support cylinder seat 31, due to the restriction of the inner wall of the support cylinder seat 31, the length of the fixed rods 5 is compressed, and the compression spring 51 therein is in a compressed state, when the through holes 11 on the connecting pipe 1 are aligned with the connecting holes 311 on the support cylinder seat 31, the fixed rods 5 are no longer restricted by the inner wall of the support cylinder seat 31, and the push rod 52 in the fixed rods 5 is inserted into the connecting holes 311 on the side wall of the support cylinder seat 31 under the action of the pushing force of the compression spring 51, so that the photovoltaic support and the photovoltaic pile foundation 2 are connected together. This structure has the effect of one-key insertion, is convenient to assemble, and realizes efficient assembly connection.

[0041] As shown in Fig. 2 and Fig. 4, the lower ends of all the latch guide plates 4 are inclined outward to form an outwardly expanding opening, when the latch guide plates 4 are inserted with the latch 6 on the connecting joint 3, the latch 6 can be smoothly inserted between the inner ends of the fixed rods 5 through the guidance of the latch guide plates 4, so as to achieve the purpose of spreading the fixed rods 5 outward. The connecting structure in the embodiment includes an annular spring 8 which is sleeved on the outer periphery of all the latch guide plates 4, before the connecting pipe 1 is inserted into the photovoltaic pile foundation 2, the annular spring 8 gathers the one end of the latch guide plates 4 connected with the fixed rods 5 at the center position under the natural contraction action, and limits the horizontal movement of the fixed rods 5, so as to facilitate the insertion of the connecting pipe 1 into the support cylinder seat 31; after the connecting pipe 1 is inserted into the support cylinder seat 31, the latch 6 in the support cylinder seat 31 contacts the latch guide plates 4, and the lower ends of the latch guide plates 4 are spread open under the action of the insertion force.

[0042] As shown in Fig. 2, the photovoltaic pile foundation 2 in the embodiment adopts a steel pipe pile, and the connecting joint 3 includes an outer hoop ring 32 which is arranged on the outer periphery of the support cylinder seat 31, and the top of the outer hoop ring 32 is connected with the support cylinder seat 31 through an annular cover plate 34, an annular cavity 33 is formed between the outer hoop ring 32 and the support cylinder seat 31, the top of the photovoltaic pile foundation 2 is inserted into the annular cavity 33, and the fixation between the connecting joint 3 and the photovoltaic pile foundation 2 is realized through the friction force generated by the tight fit during the insertion, so that the connecting joint 3 also easily realizes efficient assembly connection with the photovoltaic pile foundation 2.

[0043] As shown in Fig. 6 and Fig. 8, the assembly mode of the connecting structure of the photovoltaic support and the photovoltaic pile foundation 2 in the embodiment is as follows:

[0044] S1, pile driving of the photovoltaic pile foundation 2, and fixing the position of the photovoltaic pile foundation 2;

[0045] S2, fixing the connecting joint 3 on the top of the photovoltaic pile foundation 2;

[0046] S3, the connecting pipe 1 of the photovoltaic support is inserted into the support socket 31 of the connecting joint 3, that is, the reliable connection of the photovoltaic support and the photovoltaic pile foundation 2 is realized.

[0047] The above is only an optional embodiment of the application. It should be pointed out that, for those skilled in the art, without departing from the technical principles of the application, a number of improvements and replacements can be made, which should also be considered as the protection scope of the application.

Claims

1. A connection structure of a photovoltaic bracket and a photovoltaic pile foundation that is easy to assemble, comprising a photovoltaic bracket and a photovoltaic pile foundation (2), characterized in that: The invention also includes a connecting joint (3), the connecting joint (3) being fixed to the top end of the photovoltaic pile foundation (2), the connecting joint (3) including a supporting cylinder seat (31), the supporting cylinder seat (31) opening upward, a plurality of connecting holes (311) being provided on the side wall of the supporting cylinder seat (31), and a vertically upward latch (6) being provided at the center of the bottom plate (312) of the supporting cylinder seat (31); The lower end of the photovoltaic bracket is provided with a connecting tube (1), and the connecting tube (1) can be inserted into the supporting cylinder seat (31); a plurality of fixing rods (5) distributed in a radial shape and sliding in a horizontal direction are provided in the inner cavity of the connecting tube (1), the fixing rods (5) are elastic telescopic rods, a plurality of through holes (11) are provided on the side wall of the connecting tube (1), the outer end of each fixing rod (5) is located in a through hole (11) on the side wall of the connecting tube (1), and the inner end of each fixing rod (5) is connected to a downwardly extending latch guide plate (4), and the lower end of the latch guide plate (4) is inclined outward; When the connecting tube (1) is inserted into the supporting cylinder seat (31), the latch guide plate (4) contacts the latch (6) in the supporting cylinder seat (31), pushing the fixing rod (5) to slide outward, and the outer end of the fixing rod (5) passes through the through hole (11) on the side wall of the connecting tube (1) and is inserted into the connecting hole (311) on the side wall of the supporting cylinder seat (31), so that the photovoltaic bracket and the photovoltaic pile foundation (2) are connected together.

2. The connection structure according to claim 1, characterized in that: A guide fixing plate (7) is also provided in the inner cavity of the connecting pipe (1), and a guide structure (9) is provided on the guide fixing plate (7), so that the fixing rod (5) can only slide horizontally along the guide structure (9).

3. The connection structure according to claim 2, characterized in that: The bottom surface of the guide fixing plate (7) is provided with a plurality of radially distributed dovetail grooves (91), and each fixing rod (5) is provided with a dovetail slide rail (92) that is slidably matched with the dovetail groove (91).

4. The connection structure according to claim 1, characterized in that: The photovoltaic pile foundation (2) is a steel pipe pile.

5. The connection structure according to claim 4, characterized in that: The connecting joint (3) further comprises an outer hoop (32), which is arranged on the periphery of the support cylinder seat (31), and the top of the outer hoop (32) is connected to the support cylinder seat (31), and an annular cavity (33) is formed between the outer hoop (32) and the support cylinder seat (31), and the top of the photovoltaic pile foundation (2) is inserted into the annular cavity (33).

6. The connection structure according to claim 5, characterized in that: The connecting joint (3) further comprises an annular cover plate (34), and the top of the outer hoop (32) is connected to the top of the support cylinder seat (31) via the annular cover plate (34).

7. The connection structure according to claim 1, characterized in that: There are four fixing rods (5) arranged in a cross shape.

8. The connection structure according to claim 1, characterized in that: It also includes an annular spring (8) sleeved on the periphery of all the latch guide plates (4).

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