Handheld Gasoline Rock Drill
Weight of main unit: 27 kg
Drill rod speed: 350–500 RPM
Application: The handheld gasoline rock drill is primarily used for drilling projects such as blasting holes in mines, quarrying operations, highway and bridge construction, geological exploration and sampling, tunneling and water conservancy projects, as well as emergency response and firefighting/rescue operations.
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Introduction Of Handheld Gasoline Rock Drill
A handheld gasoline rock drill, also known as an internal combustion rock drill, petrol rock drill, gasoline pneumatic drill/rock breaker, or portable gasoline rock drilling machine. It is a handheld tool that integrates a small gasoline engine, an air compressor, and a rock-drilling mechanism. Capable of independent operation without external power, air, or water, it is ideal for high-altitude locations, remote mining areas, and regions lacking electricity or compressed-air infrastructure. The handheld gasoline rock drill is particularly well-suited for tasks requiring frequent relocation, such as drilling and breaking operations for road blasting. Utilizing high-frequency impact and rotary motion to break rock, the tool is widely used in sectors including mining, construction, and geological exploration. It features a compact, user-friendly portable design suitable for prolonged, continuous operation and maintains stable performance across an extreme temperature range of -40°C to +40°C.
Compared to traditional electric or hydraulic rock drilling equipment:
Gasoline (internal combustion) rock drills are free from the constraints of cables and hoses, making them particularly suitable for use in complex terrain and providing reliable drilling solutions for industries such as mining, construction, and geological exploration. This gasoline rock drilling equipment is capable of vertical downward drilling at an angle of less than 45°, with a maximum drilling depth of 6 meters.
Core Application Scenarios:
- Mining blasting hole drilling: Drilling blasting holes in open-pit mines for mining metal and non-metal ores to obtain ore.
- Quarrying operations: extracting stone and secondary crushing of oversized rock blocks.
- Roads and Infrastructure: Drilling and breaking in the construction of highways, railways, bridges, and tunnels.
- Geological survey: rock strata sampling and exploration borehole coring.
- Emergency rescue: Rapidly breaking through rock and concrete structures at the rescue site.
principle & structure Of handheld gasoline rock drill
Working Principle
The handheld gasoline rock drill operates on the principle of percussive crushing. The cylinder houses both an engine piston and an impact piston; the combustion and expansion of the fuel-air mixture drive the impact piston at high speed against the shank of the drill rod, forcing the wedge-shaped bit to strike the rock and create an indentation. As the piston retracts, the drill rod rotates slightly; a subsequent strike creates another indentation, causing the wedge-shaped section of rock between the two marks to be sheared and crushed. Simultaneously, compressed air generated by the machine itself is blown through the central channel of the drill rod to clear rock debris from the hole. This cycle repeats continuously to drill the borehole.
Structural Features
- Gasoline engine: Serves as the power source; features a single-cylinder, air-cooled, two-stroke design for self-contained operation.
- Impact assembly: Comprises an impact piston, rotation mechanism, and front head; delivers high-frequency impacts while driving the rotation of the drill rod.
- Drill rod and bit: A hollow hexagonal rod connects to the drill bit; bit options include chisel-type and cross-type designs.
- Control handle: Features a vibration-dampening design for ease of handheld operation.
- Fuel system: Includes a fuel tank, carburetor, and filtration unit to ensure a stable fuel supply.
- Cooling system: Air-cooled, supplemented by cooling fins.
why choose JXSC handheld gasoline rock drill
features & Advantages
No external power source required: Operates independently using only gasoline, eliminating reliance on the power grid, gas supplies, or water sources—ideal for field operations.
Lightweight design: Weighs only about 27 kg; easily carried and operated by a single person, allowing for convenient transport to remote work sites in high mountains or deep canyons.
Fast, time-saving hole formation: Drilling speed is at least 350 mm/min; highly efficient and ready for immediate operation upon startup.
Deep drilling capability: Reaches depths of up to 6 meters and handles inclined holes at angles of up to 45° upwards.
Versatile functionality: Easily switches between drilling and breaking modes via a handle control; also capable of splitting, tamping, shoveling, chiseling, and prying.
High adaptability: Operates reliably in extreme heat or high-altitude cold and navigates the complex terrain of remote mountainous areas.
Durable and reliable: Core components are made from high-strength materials, ensuring a long service life.
Easy maintenance: Simple structure requires no internal head component replacements; routine maintenance is straightforward, and the failure rate is extremely low.
Quick to master: Features a pull-cord start and simple handle-based operation; users can work independently after minimal training.
models & specifications
Parameter | YN27C | YN30A | YN27P | YN27J |
Weight of main machine | 27 kg | 27 kg | 27 kg | 27 kg |
Overall dimensions | 746×315×229 mm | 746×315×229 mm | 730×315×229 mm | 746×315×229 mm |
Shank size | H22×108 mm | H22×108 mm | H22×108 mm | Hex 22×108 mm |
Type of engine | Single cylinder, air cooled two strokes | |||
Rotating speed | ≥2450 RPM | ≥2700 RPM | ≥2600 RPM | ≥2450 RPM |
Drilling rod speed | / | / | / | 350–500 RPM |
Impact energy | / | / | ≥45 J | / |
Max drilling depth | 6 m | 6 m | / | 6 m |
Fuel consumption | 0.12 LPM | 0.12 LPM | 1.2 LPH | ≤0.09 L/m |
Tank capacity | ≥1.14 L | ≥1.14 L | ≥1.14 L | 1.65 L |
Ignition system | / | / | / | Controllable silicon, contactless system |
MOQ | 1 piece(s) | 1 piece(s) | 1 piece(s) | / |
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