Introduction
The Thomson H-Track is an electro-hydraulic linear actuator that combines the force of hydraulics with the simplicity of electric drive technology. The design is fully integrated and engineered to deliver high load capacity in confined spaces, with minimal risk of leakage and very low maintenance requirements. It serves as an alternative for applications where traditional hydraulic cylinders are too large or require extensive auxiliary equipment.
Technology and Construction
Integrated Unit
The H-Track consists of a motor, pump, valve assembly, hydraulic cylinder, and oil reservoir combined into a sealed system. This design eliminates the need for external hydraulic hoses, pumps, or tanks. The enclosed system reduces the risk of leakage and protects the unit from dirt and contamination, providing high reliability even in harsh environments.
Performance
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Maximum force of approximately 21 kN
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Speeds up to roughly 100 mm/s under low load
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Stroke lengths available in several standard options, typically up to around 300 mm
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Temperature range suitable for both very low and high operating temperatures, depending on version
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High environmental protection ratings, with variants capable of withstanding dust, water, immersion, and high-pressure washing
Robust Design
The H-Track is built to withstand shock, vibration, and environmental stress. The unit can also hold its position during power loss or load reversal, which is important in applications where safety or positional accuracy is critical.
Application Areas
The electro-hydraulic principle makes the H-Track particularly suitable for environments where both force and compactness are required. Typical applications include:
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Mobile machinery such as agricultural equipment, construction vehicles, and snowplows
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Marine and offshore environments where corrosion or immersion may occur
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Material handling equipment and industrial machinery with limited installation space
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Lifting, adjustment, and motion tasks requiring high load capacity in a compact form factor
Advantages
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Combines hydraulic force with electric simplicity
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Compact design with short overall length relative to stroke
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Minimal risk of hydraulic oil leakage due to the sealed system
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Low maintenance and high operational reliability
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Flexible installation without the need for external components
Limitations
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Not suitable for very long stroke lengths
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Requires proper sizing to ensure long service life
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May have a higher purchase cost than basic electric actuators, though total installation cost is often lower compared to a full hydraulic system
Conclusion
The Thomson H-Track represents a modern hybrid solution that merges the strength of hydraulics with the convenience of an electric actuator. Its sealed, compact design makes it ideal for applications where space is limited and high force is required without the complexity of traditional hydraulic systems. For many mobile and industrial applications, it offers an efficient, clean, and reliable solution.
