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Brief Product Description The Rock Breaker Arm, also known as a hydraulic rock splitter arm or hydraulic demolition arm, is a powerful system mounted on heavy machinery such as excavators or loaders. It is used for breaking and moving large boulders, lumpy mineral materials, or rock blockages in mines, tunnels, construction and civil engineering projects, as well as in ports and industrial facilities. This system offers a safe and efficient alternative to traditional methods like blasting or demolition with heavy hammers.
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Structural Features
- Articulated Boom: Consists of several movable sections controlled by powerful hydraulic cylinders, allowing access to various points and angles.
- Hydraulic Cylinders: Provide the necessary force for boom movement, lifting/lowering, and applying pressure to the rock.
- Breaking Mechanism: Typically, a hydraulic hammer (breaker) or demolition shear is mounted at the end of the arm.
- Hydraulic System: Includes a hydraulic pump, oil tank, filters, and high-pressure hoses that supply the power for the cylinders and the breaking mechanism.
- Mounting Base: A robust plate that connects the arm to the chassis of heavy machinery.
- Remote Control System: The operator can control the boom and the breaking mechanism using a control system installed in the machine’s cabin.
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Mechanism of Operation The Rock Breaker Arm operates using hydraulic power. The operator uses joysticks and controls in the cabin to maneuver the articulated boom towards the target boulder or obstruction. Then, the breaking mechanism (hammer or shear) is activated, breaking the rock into smaller pieces through repetitive impacts or shearing force. The articulated movement of the arm provides high maneuverability, allowing the operator to target different points with ease. The high force generated by the hydraulic cylinders and the breaking mechanism makes it possible to break even the largest rocks.
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Build Specifications
- Material: High-strength alloy steels (e.g., manganese steel and special alloys) for the boom, pivot arms, and high-pressure components.
- Hydraulic Components: High-quality parts from reputable global brands.
- Design: Engineered for maximum efficiency, long durability, and ease of maintenance.
- Mounting Type: Adaptable for installation on various excavators, loaders, and other heavy machinery.
Component Introduction
- Component Descriptions
- Boom Sections/Tubes: The main structural components of the arm.
- Pins and Bushings: Connecting and pivot components.
- Hydraulic Cylinders: The primary actuators for movement.
- Hoses and Fittings: For hydraulic fluid transfer.
- Hydraulic Hammer / Demolition Shear: The final demolition tool.
- Hydraulic Control Unit (HCU / Power Pack): Includes pump, tank, valves.
- Cab Control System: Joysticks, displays.
We are a parts manufacturer, contact us for parts procurement We pride ourselves on being a manufacturer and supplier of genuine, high-quality spare parts for Rock Breaker Arms, including various hydraulic cylinders, durable pins and bushings, high-pressure hoses, and structural boom components. Ensuring the quality of replacement parts is key to maintaining your equipment’s safe and efficient operation. For stock availability, pricing, and to place orders for your needed parts, please contact us.
Projects
- Description: Our Rock Breaker Arms have been successfully employed in numerous projects, including clearing paths in open-pit and underground mines, demolishing concrete and rock structures in civil engineering and road construction projects, clearing ports and docks of rocks and obstructions, and in mineral processing plants for breaking and moving large raw materials. The robust design and use of high-quality materials ensure long-term operation and high reliability under the toughest working conditions. Our ability to customize arms to the specific needs of each project makes us an ideal partner for leading companies

