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Q1: What engineering scenarios is this highway W-beam guardrail drilling machine mainly used for?
A : Specifically designed for the installation and replacement of W-beam guardrail posts on highways, national roads, provincial roads, and rural roads. It is also suitable for drilling holes for traffic sign posts, delineator posts, and municipal road isolation guardrails. It is the standardized mechanized equipment to replace manual post-hole diggers or shovels.
Q2: Highway shoulders are usually compacted soil or contain gravel. Is the power of this machine sufficient?
A : The power is very strong. Highway shoulders are high-hardness layers. Leili equipment is equipped with a high-torque gasoline/diesel engine. A thickened manganese steel spiral bit comes standard; for gravel or old asphalt surfaces, a carbide serrated bit can be used, or it can even switch to DTH impact mode. Combined with the gearbox's torque amplification, it easily penetrates highway shoulders.
Q3: Highway construction has tight road closure schedules. How long does it take for this machine to drill one hole?
A : Efficiency is dozens of times that of manual labor. Taking a standard W-beam guardrail post hole (approx. 200mm diameter, 1.2m deep) as an example, in ordinary compacted soil shoulders, the machine completes a hole in only 30-50 seconds. One machine can easily complete 300-500 guardrail holes in a day (8 hours), including moving time, greatly shortening road closure time and ensuring road safety.
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