Solar Ground Anchor

Solar ground anchor:

Every ground screw has been especially designed to handle extreme weather conditions which can experience in the winter season. We have several models available in various lengths and sizes, depending on what needs to be installed, load requirements for the project and the ground where the screws are to be installed. 

Standard or traditional ground mounts use ground anchors to hold up a racking table that supports the solar panels on rails. The exact method of anchoring will depend on your ground conditions: using concrete piers is most common, but driven piers, helical piles, and concrete ballasts are options, as well. 

Standard ground mount systems typically hold the solar array in a fixed position, although options for manual adjustment are gaining popularity. 

The standard ground-mount system is the easiest and most cost-effective solution for a ground install, and also the most common. 

Solar photovoltaic power generation equipment with anchor anchor, comprising drill pipe, the upper side wall of the drill pipe fixed welded with fins, the lower side wall of the drill pipe fixed welded with a spiral sheet, the bottom end of the drill pipe fixed connection has a joint, the bottom end of the joint is opened with a mounting groove, the bottom end of the mounting groove thread plug has a plug connector, the bottom end of the plug is fixed welded with a drill, the drill side wall has a groove, the plug joint and the lower part of the connection of the mounting groove is provided with a fastening nut. By setting fins, the present invention is enough to insert into the soil on the side of the drill pipe from three directions, improve the lateral stability of the drill pipe, and achieve the effect of anti-drill pipe torsion; By setting the plug joint, groove and fastening nut, the effect of easy disassembly and replacement of the drill bit is achieved; By setting the grooves, the adhesion of the soil on the drill bit can be reduced, thereby reducing the resistance, making the installation of ground anchor piles easier and more efficient.

Technical Parameter for solar ground anchor :

Project Cases use with solar ground anchor:

Here are some of our solar ground mounting system projects which used ground screw (solar ground anchor) for foundation.Solar power generation business can generate long-term (20 to 30 years of solar power generation facility life) profits with a single facility investment. In addition, solar power generation companies produce electricity and sell electricity to consumer. 

Types of ground anchor:

There are many types of anchors, and large holding power anchors are commonly used in drilling platforms, as shown in Figure 1. The main feature of this anchor is that its grip can only be guaranteed when the pulling force is horizontal. If the pulling force has a vertical component, the grip is reduced, and the anchor claw will be pulled out of the soil. Experiments show that when the anchor handle is turned upward by 6°, the grip force begins to decrease, and when the anchor handle is turned upward by 12°, the grip force decreases significantly. Therefore, when anchoring, the lower end of the anchor chain must be tangent to the seabed, otherwise there is a danger of anchoring. Lifting the anchor is to take advantage of this feature. Pull the anchor chain upward to lift the anchor handle. The anchor loses its grip and finally breaks through the ground. [2]

The choice of anchor should consider convenient operation, convenient storage and economical application, but the most important thing is the holding power of the anchor. On the one hand, the holding power of anchors is not known because of the different types of anchors, and on the other hand, it is related to the soil quality of the seabed.

With the advancement of ocean development to deep water, new requirements have been put forward for anchoring. In deep water, if the lower end of the anchor chain is still required to be tangent to the seabed to ensure the anchor's grip, the required chain is very long. Therefore, it is necessary to study anchors that can withstand vertical component forces, such as cement weights or anchor piles. When piles cannot be driven due to lithological seabed, bored and cast-in-place anchor piles can be used. Some anchors are designed according to a specific seabed, and when used under conditions that do not meet the design requirements, the working performance of the anchor will be poor. Although there are formulas for calculating the holding power of various anchors under different seabed conditions in Figure 1, the true holding power of the anchor needs to be determined through field tests.

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