Special hydraulic cylinders

The booster cylinder of the integrated drilling-and-splitting rock-splitting equipment is the core power component, responsible for converting low-pressure hydraulic fluid into ultra-high-pressure thrust to drive the expansion of the splitting wedges, thereby achieving static rock fragmentation.

Category:

Small excavator oil cylinder

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Product Introduction

Provide comprehensive and high-quality solutions for high-quality hydraulic cylinders required by various types of hydraulic equipment

The company is dedicated to the research and application of hydraulic cylinder technology, introducing professional talents, strictly operating the ISO9001 quality system, and equipped with more than 30 high-end hydraulic cylinder manufacturing specialized equipment, including scraping and rolling equipment, robot welding stations, high-precision cylindrical grinding machines, Doushan CNC lathes, and machining centers. High standard and refined operations, with zero defects as the quality goal, not only provide high-quality products for the market, We also provide system solutions to users and participate in the joint development of hosts.

We are committed to building a well-known brand in the hydraulic cylinder industry and warmly welcome domestic and foreign merchants to cooperate for a win-win situation. Cooperation phone number: +86-13956934639

Special hydraulic cylinder, integrated drilling-and-splitting rock-breaking equipment, booster hydraulic cylinder

I. Core Role

Pressure Amplification: The low-pressure oil at 20–30 MPa supplied by the power unit is pressurized to an ultra-high pressure of 120–180 MPa through an area-difference mechanism.

Output splitting force: generates a thrust of 300–600 tons or even higher, driving the wedge assembly of the splitting head to expand outward and fracture the rock.

Precise control: progressive pressure release ensures that the rock fractures along the predetermined direction, preventing excessive fragmentation.

II. Structural Composition

Cylinder barrel

Manufactured via integral forging from high-strength alloy seamless steel tubing, offering superior pressure resistance, blast protection, and deformation prevention.

Precision internal honing combined with hard chrome plating delivers exceptional surface finish, superior wear resistance and scratch protection, and extended seal life.

Pressurized piston / plunger

Typically, a multi-stage plunger design (two- or three-stage boosting) is employed, leveraging the ratio of large-to-small piston areas to achieve pressure amplification.

Material: High-strength chromium-molybdenum steel such as 42CrMo, quenched and tempered, with a hard-chrome-plated surface.

Piston rod

High rigidity and high strength, with a hard chrome plating on the surface (thickness ≥ 0.03 mm), offering excellent corrosion resistance and wear resistance.

Sealing System (Critical)

Employ a combined sealing arrangement: primary seal (polyurethane/fluororubber) + guide ring + dust seal.

Designed to withstand ultra-high pressure, high-frequency operation, and harsh dusty conditions, with protection against internal and external leakage.

Front and rear covers

Forged steel construction, high-strength bolted connections, and integrated oil ports, vent valves, and cushioning mechanisms.

The high-pressure chamber employs spherical or conical sealing to ensure reliable high-pressure performance.

Technical Features

Multi-stage pressurization: The mainstream configurations are two-stage or three-stage, with pressure progressively amplified at each stage, resulting in stable thrust and minimal shock.

High-strength materials: forged steel for critical components, combined with heat treatment and hard chrome plating, to withstand the severe impact and high-dust conditions typical of mining environments.

High-efficiency sealing: proprietary ultra-high-pressure seals that offer long service life, low failure rates, and easy maintenance.

Compact design: plunger-type configuration with a small diameter (compatible with 90/110/150 mm boreholes), long stroke, and high output force.

keyword:

Small excavator oil cylinder/ Medium and large excavator oil cylinder/ High altitude work vehicle oil cylinder/ Industrial oil cylinder

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