Rock slope photovoltaic base construction structure

By setting up main anchor holes, secondary anchor holes and rock holes on the rock-site slope, filling them with concrete, combining steel wire mesh and extension holes to form a multi-point anchor structure, the problem of insufficient stability of traditional anchor rods in rock formation anchor structure is solved. It significantly improves the pull-out resistance of the photovoltaic base and avoids the fall of the photovoltaic module.

CN222161350UActive Publication Date: 2024-12-13WUHAN SURVEYING GEOTECHN RES INST OF MCC
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Patent Information

Application Number
CN202420248126.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-31
Publication Date
2024-12-13
Estimated Expiration
2034-01-31

AI Technical Summary

Technical Problem

The anchor structure of traditional anchor rods in rock formations is insufficient, resulting in large-scale fallout in photovoltaic modules during pull-out resistance tests.

Method used

The main anchor hole, secondary anchor hole and rock hole are opened on the rock and soil slope, and anchor rods and molds are inserted therein, concrete is filled, and wire mesh and extension holes are combined to form a multi-point anchoring structure to enhance pull-out resistance.

Benefits of technology

Through this structure, the anchoring stability is significantly improved, large-area fall off of the photovoltaic module is avoided, and the safety and durability of the photovoltaic base are ensured.

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Abstract

According to the technical scheme, the rock slope photovoltaic base construction structure comprises a rock-soil slope surface, an anchor rod and a mold, a main anchor hole and a plurality of auxiliary anchor holes distributed circumferentially with the main anchor hole as the circle center are formed in the rock-soil slope surface, and the auxiliary anchor holes incline towards the main anchor hole; the rock-soil slope surface is provided with a main anchor hole, penetrates through the main anchor hole and is communicated with the main anchor hole, and the rock-soil slope surface is further provided with a cavern with the main anchor hole as the center; and the anchor rod is inserted into the inner side of the main anchor hole. The auxiliary anchor holes are distributed around the main anchor hole, the bottom ends of the auxiliary anchor holes are communicated with the main anchor hole, the cavern is drilled with the main anchor hole as the circle center, the mold is inserted into the cavern, the anchor rod is inserted into the main anchor hole, subsequent pouring is carried out, and on the basis of the anchor rod, a concrete base embedded with the main anchor hole and the auxiliary anchor holes can be poured. The stability of the anchoring structure is improved, the anchoring structure has enough pulling resistance, and the situation that the photovoltaic module falls off in a large area is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic construction, in particular to a rock slope photovoltaic base construction structure. Background Art

[0002] Slope photovoltaics is a new type of comprehensive ecological governance method. For example, patent 202120524915.8 discloses an anchor-type photovoltaic bracket foundation, which is driven into the slope through anchor rods and prevented from falling off the slope by an anti-slip mechanism. At the same time, by connecting photovoltaic modules with anchor rods, distributed photovoltaics are installed while reinforcing the slope, thereby obtaining economic benefits, promoting enterprises' enthusiasm for protecting slopes, and reducing geological disasters.

[0003] Slope photovoltaic installations on abandoned mine slopes not only promote the development of new energy photovoltaics but also beautify abandoned mines. However, the exposed surface of abandoned mines is typically composed primarily of weathered rock, necessitating slope management and support before photovoltaic construction can begin. Traditional anchor bolts lack structural stability in the rock formation, making them prone to widespread detachment of photovoltaic modules due to insufficient pullout resistance. Utility Model Content

[0004] In view of this, it is necessary to provide a rock slope photovoltaic base construction structure to solve the technical problem that the traditional anchor rods in the existing technology are not stable enough in the rock formation and are prone to large-scale detachment of photovoltaic modules due to insufficient pull-out resistance.

[0005] In order to achieve the above technical objectives, the technical solution of the present utility model provides a rock slope photovoltaic base construction structure, comprising:

[0006] A rock slope surface is provided with a main anchor hole and a plurality of secondary anchor holes distributed in a circle with the main anchor hole as the center, wherein the secondary anchor holes are inclined toward the main anchor hole and are connected to the main anchor hole through the secondary anchor holes, and a rock cave with the main anchor hole as the center is also provided on the rock slope surface;

[0007] An anchor rod, which is inserted into the inner side of the main anchor hole; and

[0008] The mold is inserted into the inner side of the rock cavity.

[0009] Furthermore, the main anchor hole, the auxiliary anchor hole and the inner side of the mold are all filled with concrete.

[0010] Furthermore, the distance between the main anchor hole and each of the auxiliary anchor holes is ten centimeters.

[0011] Furthermore, the shape of the rock cave is columnar and the depth is five centimeters.

[0012] Furthermore, the top of the anchor rod is higher than the top of the mold.

[0013] Furthermore, the angle between the main anchor hole and the auxiliary anchor hole is 30°.

[0014] Furthermore, a plurality of extension holes are provided on the inner wall of the rock cave in a circumferential distribution, and a plurality of openings corresponding to the extension holes are provided on the bottom of the mold.

[0015] Furthermore, it also includes a wire mesh, which has a plurality of steel wire feet extending outwardly and corresponding to the extension holes, and the steel wire feet are plugged into the corresponding extension holes.

[0016] Furthermore, the shape of the mold is cylindrical.

[0017] Furthermore, an annular edge is provided on the outer side of the mold, and the annular edge is attached to the rock and soil slope surface.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: a number of auxiliary anchor holes are distributed around the main anchor hole, and the bottom ends of the auxiliary anchor holes are connected with the main anchor holes, and a rock hole is drilled with the main anchor hole as the center. A mold is inserted in the rock hole, and an anchor rod is inserted into the main anchor hole, and subsequent pouring is carried out. On the basis of the anchor rod, a concrete base with the main and auxiliary anchor holes embedded can be poured, which improves the stability of the anchoring structure, makes it have sufficient pull-out resistance, and avoids the occurrence of large-scale falling off of photovoltaic modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a rock slope photovoltaic base construction structure according to an embodiment of the present utility model;

[0020] Figure 2 This is a three-dimensional diagram of the structure of the auxiliary anchor hole according to an embodiment of the present utility model;

[0021] Figure 3 This is a structural cross-sectional view of the rock slope photovoltaic base construction structure according to an embodiment of the present utility model;

[0022] Figure 4 This is a three-dimensional exploded view of the rock slope photovoltaic base construction structure according to an embodiment of the present utility model;

[0023] Figure 5 It is a three-dimensional diagram of the structure of the mold and the wire mesh according to the embodiment of the utility model;

[0024] Figure 6 This is a structural front view of the mold and the wire mesh according to an embodiment of the present utility model;

[0025] In the figure: 1. Rock and soil slope; 101. Main anchor hole; 102. Secondary anchor hole; 103. Rock cave; 104. Extension hole; 2. Anchor rod; 3. Mould; 301. Opening; 302. Annular edge; 4. Concrete; 5. Wire mesh; 501. Wire foot. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, and are not used to limit the scope of the present invention.

[0027] like Figure 1-2 As shown, the utility model provides a rock slope photovoltaic base construction structure, including a rock slope surface 1, an anchor rod 2 and a mold 3. The rock slope surface 1 is provided with a main anchor hole 101, that is, a hole is drilled on the rock surface, and a plurality of secondary anchor holes 102 are distributed in a circle with the main anchor hole 101 as the center. Preferably, the number of the secondary anchor holes 102 is four, which are respectively distributed above, below, left and right of the main anchor hole 101, and the secondary anchor holes 102 are oriented toward the main anchor hole 1. 01 is inclined and penetrates through and communicates with the main anchor hole 101, and the bottom end is connected. A rock cave 103 with the main anchor hole 101 as the center is also opened on the rock slope surface 1. The rock cave 103 is a columnar hole drilled in the rock surface with the main anchor hole 101 as the center of the circle. The main anchor hole 101 and the secondary anchor holes 102 are distributed on its inner bottom wall; the anchor rod 2 is inserted into the inner side of the main anchor hole 101; the mold 3 is inserted into the inner side of the rock cave 103. A space for pouring concrete 4 is formed between the inner side of the mold 3 and the interior of the main anchor hole 101 and the secondary anchor hole 102. The concrete 4 fills the space, that is, the anchor rod 2 can cooperate with the concrete in multiple secondary anchor holes 102 and be embedded in the rock layer, forming a multi-point anchoring, thereby improving the pull-out resistance of the photovoltaic base and preventing the photovoltaic module from falling off.

[0028] Furthermore, the main anchor hole 101, the auxiliary anchor hole 102 and the inner side of the mold 3 are filled with concrete 4. When forming a space to accommodate the concrete 4, the anchor hole 101, the auxiliary anchor hole 102 and the inner side of the mold 3 are filled with concrete 4 by pouring.

[0029] Furthermore, the distance between the main anchor hole 101 and each of the auxiliary anchor holes 102 is ten centimeters, so that there is a sufficient spacing distance to avoid insufficient stability of the inner wall of the hole due to the hole spacing being too close.

[0030] Furthermore, the rock cave 103 is cylindrical in shape, with a depth of five centimeters and a diameter of 30 cm, so that the mold 3 can be embedded in the rock cave 103, and the concrete 4 poured therein can be partially inserted below the surface of the rock layer, which has higher stability.

[0031] Furthermore, the top of the anchor rod 2 is higher than the top of the mold 3. When the secondary anchor hole 102 is filled with concrete, concrete needs to be poured into the mold 3 until the concrete 4 fills the entire mold 3. At the same time, it should be ensured that the rock anchor rod 2 protrudes from the top layer of the mold 3 by a corresponding length to ensure the installation of the photovoltaic bracket.

[0032] Furthermore, the angle between the main anchor hole 101 and the auxiliary anchor hole 102 is 30 degrees, so as to provide a sufficient downward penetration length to avoid the length embedded in the ground being too short and the anchoring stability being insufficient.

[0033] During use, a down-the-hole drill is used to drill a hole into the rock along the main anchor hole to drill the main anchor hole 101; the secondary anchor hole 102 is continued to be drilled, and the drill bit of the down-the-hole drill is ensured to maintain a 30° angle with the main anchor hole, and a hole is drilled into the rock layer 10 cm away from the main anchor hole until the secondary anchor hole 102 and the end of the main anchor hole 101 are connected at one point; the drill is used to drill a hole to ensure that the depth of the rock cave 103 is 5 cm and the diameter is 30 cm; the formwork is supported, and the mold 3 is placed in the rock cave 103; the rock anchor rod 2 is inserted into the main anchor hole 101; concrete 4 is poured, and concrete 4 is poured from the secondary anchor hole 102 until all anchor holes and the mold 3 are filled with concrete 4.

[0034] In one embodiment, in order to further improve the stability of the anchoring, see Figure 3-6 A plurality of extension holes 104 are provided on the inner wall of the rock cave 103 in a circumferential distribution, and a plurality of openings 301 corresponding to the extension holes 104 are provided at the bottom of the mold 3. When pouring concrete 4, concrete can be introduced into the extension holes 104 from the openings 301 of the mold 3, thereby forming concrete 4 anchor pins that spread from the side wall of the rock cave 103 to the extension holes 104, thereby improving the anchoring stability in the rock formation.

[0035] Preferably, there are six extension holes 104 , which extend obliquely downward.

[0036] Furthermore, in order to improve the strength of the concrete and the strength of the concrete 4 pins, the base construction structure also includes a wire mesh 5, and the wire mesh 5 has a number of steel wire feet 501 extending outward, which correspond one to one with the extension holes 104, and the steel wire feet 501 are plugged into the corresponding extension holes 104. By utilizing the bendability of the steel wire, during construction, the steel wire feet 501 are bent and inserted into the extension holes 104, and the wire mesh 5 is built into the mold 3.

[0037] Furthermore, the mold 3 is cylindrical in shape, which is convenient for casting a cylindrical base with a diameter of 30 cm and a column height of 15 cm.

[0038] It is understandable that, according to needs, the mold 3 can also be in the shape of a square cylinder to cast a square columnar base.

[0039] Furthermore, in order to prevent concrete from overflowing from the mold 3 during pouring, an annular edge 302 is provided on the outside of the mold 3, and the annular edge 302 is attached to the rock slope 1 to seal the gap outside the mold 3.

[0040] It is understandable that the annular edge 302 may be made of a flexible material, such as rubber or silicone, to avoid uneven rock surfaces.

[0041] The specific working process of this utility model is as follows:

[0042] S1: The rock bolt 2 is drilled into the rock surface, forming the main anchor hole 101;

[0043] S2: drill auxiliary anchor holes 102 at the upper, lower, left and right sides of the main anchor hole 101, and connect them at the bottom ends;

[0044] S3: Drilling a columnar rock hole 103 into the rock with the center hole of the main anchor hole 101 as the center;

[0045] S4: Drill six extension holes 104 circumferentially distributed on the side wall of the cave 103;

[0046] S5: Insert the wire legs 501 on the wire mesh 5 into the extension holes 104 so that the wire mesh 5 is built into the rock cave 103;

[0047] S6: Insert the rock bolt 2 into the main anchor hole 101, place the cylindrical mold 3 in the rock hole 103, and put the openings 301 onto the wire legs 501 one by one;

[0048] S7; pouring concrete and curing.

[0049] The entire workflow is complete, and all contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0050] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the present invention should be covered by the protection scope of the present invention.

Claims

1. A rock slope photovoltaic base construction structure, characterized in that: include: A rock slope surface, on which a main anchor hole and a plurality of secondary anchor holes are arranged in a circle with the main anchor hole as the center, and the secondary anchor holes are inclined toward the main anchor hole and are connected to the main anchor hole through the secondary anchor holes, and a rock cave with the main anchor hole as the center is also arranged on the rock slope surface; An anchor rod inserted into the inner side of the main anchor hole; and A mold is inserted into the inner side of the rock cave.

2. The rock slope photovoltaic base construction structure according to claim 1 is characterized in that: The main anchor hole, the auxiliary anchor hole and the inner side of the mold are all filled with concrete.

3. The rock slope photovoltaic base construction structure according to claim 2 is characterized in that: The hole spacing between the main anchor hole and each of the auxiliary anchor holes is ten centimeters.

4. The rock slope photovoltaic base construction structure according to claim 3 is characterized in that: The shape of the rock cave is columnar and its depth is five centimeters.

5. The rock slope photovoltaic base construction structure according to claim 4 is characterized in that: The top end of the anchor rod is higher than the top of the mold.

6. The rock slope photovoltaic base construction structure according to claim 5, characterized in that: The included angle between the main anchor hole and the auxiliary anchor hole is 30°.

7. The rock slope photovoltaic base construction structure according to claim 6, characterized in that: The inner wall of the rock cave is provided with a plurality of extension holes which are distributed in a circumference, and the bottom of the mold is provided with a plurality of openings which correspond to the extension holes one by one.

8. The rock slope photovoltaic base construction structure according to claim 7, characterized in that: It also includes a wire mesh, which has a plurality of wire feet extending outwardly and corresponding to the extension holes, and the wire feet are plugged into the corresponding extension holes.

9. The rock slope photovoltaic base construction structure according to claim 8, characterized in that: The shape of the mold is cylindrical.

10. The rock slope photovoltaic base construction structure according to claim 9, characterized in that: An annular edge is arranged on the outer side of the mold, and the annular edge is attached to the rock and soil slope surface.