Handheld Rock Drills
【Drilling Hole Diameter】30-45 mm
【Dill Hole Depth】0-6 mm
【Shank Size】R22*108
【Tipos】Y20LY, YO18, Y19A, Y24,Y26, Y28, TY24C, YN27C, and so on
【Aplicación】 Mining, quarrying, construction and civil engineering, roadwork and excavation
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Ventajas
A handheld rock drill es un portable drilling machine designed to drill holes in hard rock, concrete, and other tough materials. It uses high-frequency impact energy to break hard surfaces efficiently and is operated directly by hand, making it flexible and easy to use in confined spaces. Handheld rock drills are widely used in mining, quarrying, construction, tunneling, and demolition projects. They are suitable for drilling blast holes, anchor holes, and other holes at various angles, making them an ideal choice for small-scale rock drilling and construction tasks.
【Handheld Rock Drill Types】
These drills are classified based on their power source y operation type:
1. Pneumatic (Air-Powered) Handheld Rock Drills
- Operated by compressed air(typically 5–7 bar pressure).
- Lightweight but loud (requires an air compressor).
- Common in mining and construction (e.g., jackleg drills for small tunneling).
2. Hydraulic Handheld Rock Drills
- Desarrollado por high-pressure hydraulic oil(100–200 bar).
- More efficient & powerful than pneumatic drills.
- Quieter and smoother operation (common in demolition and rock splitting).
3. Electric Handheld Rock Drills
- Desarrollado por batteries or electric motors.
- Best for pequeño demolition y precision drilling where air/hydraulic lines aren’t available.
4. Gasoline-Powered Rock Drills
- Used in remote areas without electricity or compressors.
- Noisier and heavier, but highly mobile.
【Advantages Over Larger Rock Drills】
- Portable & Lightweight(Easy to carry to job sites)
- Versatile in Tight Spaces(Can work in confined areas where rigs can’t fit)
- Lower Cost(No need for heavy machinery)
- Quick Setup(Just connect power and drill)
【Applications of Handheld Rock Drills】
- Anchoring & Rock Bolting (Stabilizing slopes, tunnels)
- Demolition Work(Breaking concrete, rocks)
- Small-Scale Mining/Quarrying(Blast hole drilling)
- Construction & Trenching
- Geotechnical Surveys
Estructura del producto
【Handheld Rock Drills Structure】
A typical handheld rock drill consists of:
- Drill body: Houses the internal mechanism.
- Percussion mechanism: Generates repeated impacts to fracture rock.
- Rotation mechanism: Rotates the drill steel to improve drilling efficiency.
- Drill steel and bit: Transfer impact energy to the rock and cut the hole.
- Conexión de alimentación: Connects to an air compressor, hydraulic system, electrical source, or engine, depending on the model.
- Handle and controls: Allow the operator to guide and operate the machine.
- Flushing system: Uses air or water, depending on the design, to remove drill cuttings from the hole.
【Handheld Rock Drills Working Principle】
Most conventional handheld rock drills use a combination of impact and rotation.
1. The power source drives the internal piston or drilling mechanism.
2. The piston repeatedly strikes the drill steel.
3. The drill bit transfers the impact energy to the rock, causing it to fracture.
4. The drill steel rotates between impacts to distribute wear and improve hole formation.
5. Air or water flushing removes rock fragments and helps maintain drilling progress.
Parámetros técnicos
| Modelo | Y20LY | YO18 | Y19A | Y24 | Y26 | Y28 | TY24C | YN27C |
| Peso (Kg) | 18 | 18 | 19 | 24 | 26 | 25 | 27 | 27 |
| Shank Size (mm) | 22*108 | 22*108 | 22*108 | 22*108 | 22*108 | 22*108 | 22*108 | 22*108 |
| Cylinder Dia. (mm) | 65 | 58 | 65 | 70 | 75 | 80 | 67 | 58 |
| Piston Stroke(mm) | 60 | 45 | 54 | 70 | 70 | 60 | 70 | 70 |
| Working Pressure (Mpa) | 0.4 | 0.35-0.5 | 0.4-0.5 | 0.4-0.63 | 0.4-0.63 | 0.4-0.5 | 0.4-0.5 | / |
| Impact Frequency (Hz) | 28 | 34.6 | 35 | 28 | 28 | 28 | 28 | / |
| Air Consumption (L/s) | 25 | 22.5 | ≤43 | 55 | 47 | 75 | 55 | / |
| Air Pipe Inner Dia. (mm) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | / |
| Rock Drill Hole Dia. (mm) | 30-45 | 34-42 | 34-40 | 30-45 | 30-45 | 30-45 | 30-45 | 28-42 |
| Rock Drill Hole Depth (m) | 3 | 5 | 5 | 6 | 5 | 6 | 6 | 6 |
- Y20LY Handheld Rock Drill: A compact pneumatic rock drill designed for wet or dry drilling in medium-hard to hard rock. Handheld type for perpendicular drilling; air-leg type for tilting direction. It is suitable for quarrying, mining, and construction projects, offering convenient operation and efficient drilling performance.
- YO18 Handheld Rock Drill: A lightweight pneumatic drill suitable for soft, medium-hard, and hard rock formations in small-scale mining, quarrying, and construction. It can be operated by hand for fast drilling and flexible operation, or used in conjunction with an air leg (particularly the FT100 model) to perform stable horizontal or inclined drilling.
- Y19A Hand-Held Rock Drill: A pneumatic rock drill specifically designed for downward or inclined drilling in medium-hard rock. It is suitable for small-scale rock drilling and quarrying operations. When used in conjunction with the FT100 air leg, it can perform both dry and wet drilling.
- Y24 Handheld Rock Drill: A classic pneumatic handheld rock drill and a variant of the YT24 air-leg rock drill(offering superior in-hole flushing and cleaning capabilities compared to the YT24). It’s suitable for second blasting and downward drilling in medium-hard or harder rock.
- Y26 Handheld Rock Drill: A cost-effective and versatile handheld rock drill characterized by its compact design, light weight, and low energy consumption (low air consumption). It is suitable for dry rock drilling and can be used to drill vertical or inclined blast holes, as well as for secondary blasting operations. Equipped with an independent, high-powered air-blowing system, this machine is particularly well-suited for drilling vertical blast holes.
- Y28 Handheld Rock Drill: Designed specifically for heavy-duty rock drilling operations. It’s suitable for drilling, blasting, and crushing operations in hard rock and concrete (rock strength coefficient f=8–18). It features high efficiency, low noise, lightweight design, excellent cost-effectiveness, and fast drilling speed.
- TY24C Handheld Rock Drill: A portable, small pneumatic handheld type for secondary blasting and rock drilling. Its design structure is based on a safe fuel economy technology. It is suitable for mining, tunneling, and other drilling operations.
- YN27C Gasoline Rock Drill: An internal combustion rock drill that integrates a small petrol engine, an air compressor, and a rock drill. Gasoline-powered type for independent drilling without an external air compressor. It’s suitable for drilling blast holes in rock during mining, quarrying, road construction, and other outdoor projects. It can be used with a supporting stand.
The Y20LY, YO18, Y19A, Y24, Y26, Y28, and TY24C handheld rock drills are all pneumatic rock drills, while the YN27C is an internal combustion rock drill. These models offer different power sources, weights, and operating characteristics to suit different working conditions. The best choice depends on rock hardness, drilling depth, required hole diameter, working environment, and available power supply.
Casos de éxito
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