Views: 16 Author: Site Editor Publish Time: 2022-04-10 Origin: Site
Underground LHD loader belongs to an important member of the grounding device in the lightning-proof grounding project, because of the different materials and production process, underground LHD loaders are divided into many kinds. Below for you to introduce the main types of underground LHD loaders and their structure and installation of the use of methods.
Here is the content list:
●What is the buried depth of the underground LHD loader?
●How to install underground LHD loaders？
The state that determines whether the underground LHD loader is in compliance with the underground resistance after it has been connected to the underground is the underground resistance, and the underground resistance is not the same for different buried depths. Generally speaking, the full length of the underground LHD loader must not be less than 240 cm, that is, 240 cm, and, most importantly, unless there is suitable protection at the upper end of the underground LHD loader, the upper end of the underground LHD loader should be horizontal or below underground. If you want to reduce underground resistance when the underground LHD loader is undergrounded, you need to use a longer underground LHD loader or more than two underground LHD loaders. If the latter is selected, the distance between the underground LHD loader and the underground LHD loader cannot be less than 180 centimeters. In summary, the underground LHD loader in the use of the process should generally be buried underground, so the depth of the underground LHD loader buried in the underground bar basically depends on the overall length of the underground LHD loader.
Underground LHD loader construction is very flexible, according to the specific situation on-site can be used different construction methods, such as direct use of hammers, electric pickaxes, and other equipment into the soil; Under complex soil conditions, the underground LHD loader cannot be broken into, and the ground rod can be drilled before being installed. When using a heavy hammer for construction under uniform soil conditions, if only a single intrusion, the drill bit (impact bolt) should be installed on the tip of the underground LHD loader, so as to avoid damage to the copper layer when the underground LHD loader is deep. In the case of deep grounding, multiple underground LHD loaders can be connected with connectors until the desired length, which allows the underground LHD loaders to achieve a good electrical connection. When it is difficult to drill deep into the soil or not at all, it is necessary to use drilling tools such as electric, pneumatic, and oil-driven machinery to drill through rocks. After drilling, the underground LHD loader with a connector to the desired length, drilled into the predetermined depth, backfilling the drop inhibitor and adding water to the hole until the entire hole is filled with the drop inhibitor.
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