A wagon drill is a portable pneumatic drill used for rock drilling and blasting, named for its wagon-like base. It has stabilizing legs and a heavy-duty steel frame to prevent damage and operator fatigue. It can produce holes up to 4 inches in diameter and 100 feet deep. The height of the shaft is important for underground drilling.
A wagon drill, also called a wagon wheel drill, is a portable pneumatic drill that is used for rock drilling and blasting. Wagon drills get their name from the wagon-like base they sit on. A tank drill can be used above or below ground and its main advantage is that it is both powerful and portable. Many models can be propelled by hand or by self-propulsion, making undercarriage rock drills very easy to operate.
Wagon drills usually have two front wheels, one on each side of the drill mechanism. The drill section of the drill rig rests on a “shaft” that holds the drill upright. The handle is located near the rear wheel, which usually rotates on a limited axis to help provide stability.
To drill properly, undercarriage rock drills must remain stable. The “carriage” portion of the drill has a set of telescoping stabilizing legs that hold the drill securely in place. These stabilizers mean the planter doesn’t have to be on perfectly level ground to operate effectively. To provide additional stability, the wheels usually lock into place with a brake mechanism, as does the shaft.
Rock drilling can be tough on both the machinery and the person operating it. Most wagon drills have a few features that help prevent damage to the drill and wear and tear on the operator. A high-quality undercarriage drill is made with a heavy-duty steel frame that can survive the beatings a drill will take on a mining site. To reduce operator fatigue, some units include a self-propel motor and self-feeding drill bit.
Although wagon wheel drills are normally compact in size, measuring about 6 feet (1.8m) long, they can still pack some horsepower. There is a wide variety in the sizes of drill bits that wagon wheel drills carry. It is not uncommon for a wagon drill to be able to produce a hole about 4 inches (about 10 cm) in diameter and 100 feet (30.5 m) deep or more.
When used for underground drilling, an important consideration in a tank drill is the height of the shaft. There must be enough free ceiling space in the mine to fully lift the shaft. Otherwise, the operator will not be able to place the drill bit in the vertical working position. In general, the shaft height on a rig drill is about 10-16 feet (about 3-5 m) feet meters.
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