Hydraulic Breakers for Excavators: Classification And Applications
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Hydraulic Breakers for Excavators: Classification And Applications

Views: 120     Author: Site Editor     Publish Time: 2025-01-10      Origin: Site

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Hydraulic Breakers for Excavators: Classification and Applications


I. Classification

Hydraulic breakers for excavators can be categorized in various ways based on different criteria. Below are several common classification methods and their characteristics:

1. Classification by Operation Method

· Handheld Type: Suitable for small-scale operations and confined spaces, offering high flexibility but with relatively lower power.

· Machine-Mounted Type: Installed on large machinery such as excavators, providing high power and suitable for heavy-duty tasks like mining and building demolition.

2. Classification by Working Principle

· Fully Hydraulic Type: Entirely powered by hydraulic systems, featuring a simple structure and easy maintenance, ideal for medium to light-duty operations.

· Hydro-Pneumatic Type: Combines hydraulic and gas (usually nitrogen) power sources, delivering stronger striking force and suitable for heavy-duty applications.

· Nitrogen Explosion Type: Utilizes the instantaneous release of high-pressure nitrogen to generate impact force, offering extremely strong striking power for extreme working conditions.

3. Classification by Feedback Mechanism

· Stroke Feedback Type: Adjusts striking force based on piston stroke changes, offering high precision and suitability for applications requiring precise striking force.

· Pressure Feedback Type: Adjusts striking force based on hydraulic system pressure changes, providing fast response and ease of adjusting striking frequency.

4. Classification by Noise Level

· Low-Noise Type: Features special shock-absorbing and noise-reducing designs, suitable for urban construction, residential areas, and other noise-sensitive environments.

· Standard Type: Conventional design, suitable for applications where noise levels are not a major concern.

5. Classification by Housing Shape

· Triangular Type: Designed with a triangular housing, offering a compact structure, low center of gravity, and excellent stability, ideal for complex terrain operations.

· Tower-Type: Features a tower-shaped housing, with a simple appearance and ease of installation and maintenance.

6. Classification by Housing Structure

· Clamp-Type: Composed of multiple clamp plates, allowing for easy disassembly and maintenance, suitable for frequent part replacements.

· Box-Type: Features an integrated box frame structure, offering high strength and durability, ideal for long-term heavy-duty operations.

II. Application Scope

Hydraulic breakers for excavators have a wide range of applications across various industries, including:

1. Railway Construction: Mountain excavation, tunneling, bridge and road demolition, and roadbed compaction.

2. Highway Construction: Highway repairs, concrete pavement breaking, and foundation excavation.

3. Mining: Mountain excavation, ore extraction, screening and crushing, and secondary crushing.

4. Metallurgy: Slag pot cleaning, slag processing, furnace dismantling, and equipment foundation removal.

5. Building Construction: Demolition of old buildings and reinforced concrete breaking.

6. Ship Maintenance: Hull de-scaling and rust removal.

7. Municipal and Landscape Engineering: Concrete breaking, water, electricity, and gas engineering, and urban renovation.

8. Other Applications: Ice breaking, frozen soil breaking, and sand mold vibration.


III. Product Features

1. Optimized Design

· Simple Structure: Reduces wear parts, lowering maintenance costs and extending service life.

· Piston Material: Made from specially heat-treated high-strength alloy steel, with super-polished surfaces to minimize wear and ensure long-lasting performance.

· Reinforced Housing: Key components are strengthened for harsh working conditions. Bolts are 10% thicker and undergo tensile testing, significantly enhancing strength and reliability.

2. Precision Fit

· Piston and Cylinder Clearance: Maintained at 0.02-0.03mm, ensuring precise fit and preventing hydraulic oil leakage, which protects the excavator's hydraulic system.

· Accumulator: Stores hydraulic energy, increases striking force, absorbs hydraulic shocks and fluctuations, reduces hydraulic pulsation, and extends equipment life.

· Directional Valve: Uses precision machining technology to reduce pressure pulses, protecting the excavator's hydraulic system and ensuring stable operation.

3. Powerful Striking Force

· Increased Piston Stroke: Longer piston strokes enhance striking force, especially in models over 20 tons, which are equipped with accumulators for even greater impact.

· Optimal Pressure Matching: Ensures precise matching between hydraulic oil and nitrogen pressure, maximizing output energy and improving work efficiency.

4. Flow Control Device

· Flexible Adjustment: Allows for flow adjustment based on rock hardness and job requirements, directly adjustable on the breaker, making it easy and convenient to adapt to different working conditions.

5. Upright Design

· Wider Work Range: The upright design provides a broader working field and better visibility, enhancing flexibility for complex terrains and confined spaces.

· Strong Striking Force: Delivers the powerful striking force that users expect during operations.

6. High Production Efficiency

· Chisel Design: Made from high-quality steel and treated with advanced heat treatment processes, ensuring wear resistance and minimal breakage. Various chisel types are available, such as conical, flat, and pointed, to meet different operational needs.

· Through Bolt: Made from high-strength materials with anti-loosening design, preventing accidental breakage and ensuring safety and reliability.

IV. Features of Straight-Type Breakers

Straight-type breakers offer the following unique advantages:

1. Control Valve: Unique design ensures precise flow control, maintaining optimal performance of the breaker.

2. Nitrogen Chamber: Reduces recoil on the machine and operator, enhancing striking power and ensuring operator safety.

3. Piston: Made from special alloy steel, treated with multiple deep heat treatments, ensuring precision and concentricity, and extending service life.

4. Accumulator: Compensates for pressure fluctuations in the hydraulic circuit, reducing shock and extending equipment life while protecting the excavator's hydraulic system.

5. Chisel: Made from high-quality steel, treated with multiple heat treatments, ensuring wear resistance and minimal breakage. Various types are available.

6. Through Bolt: Made from high-strength materials with an anti-loosening design, preventing accidental breakage and ensuring safety and reliability.

V. Features of Triangular Series Breakers

As a professional manufacturer of triangular series breakers, our products feature the following significant advantages:

1. Simplified Design: Manufactured using the minimum number of components, reducing the number of spare parts, minimizing faults, and making maintenance easier.

2. Shortened Overall Length: Facilitates easier retrieval of objects, enhancing operational flexibility.

3. Easy Control: Accurate positioning, making it easier to perform digging and breaking tasks.

4. Optimized Matching: Uses an optimized design concept, increasing piston and cylinder stroke, ensuring the best match between the breaker and the host machine, maximizing energy output, saving energy, and improving work efficiency.

5. Flow Control: Adjustable striking force and frequency based on rock hardness, allowing operators to make adjustments directly, making it simple and convenient.

Summary

Hydraulic breakers for excavators, with their diverse classifications and extensive applications, are essential tools in modern engineering. Whether handheld or machine-mounted, fully hydraulic or hydro-pneumatic, straight-type or triangular, each type of breaker has its unique design and advantages, meeting the needs of various working conditions. We are committed to providing high-quality, high-performance breaker products to help customers achieve better economic benefits and work efficiency in their projects.

We hope this information helps you better understand the features and applications of hydraulic breakers for excavators. If you have any specific questions or need further assistance, please feel free to contact us! ��


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