Functions
1. Stabilization:
Provides critical support for semi-trailers when detached from the
tractor, ensuring stability and preventing tipping.
2. Load-Bearing:
Rated for a static load capacity of28 tons, with some models
capable of handling up to80 tons(check manufacturer specs).
3. Dual-Speed Operation:
• Fast Mode: Quick extension/retraction under no-load conditions
(~15–20 seconds).
• Slow Mode: Precise, controlled movement under heavy loads (~30–45
seconds).
4. Optional Electric Actuation:
Advanced models may include electric drives for effortless
operation.
Specifications
Materials
• Main Structure:
High-strength Q345B/Q460C steel for durability and load resistance.
• Piston Rod:
Chrome-plated, hardened steel for corrosion and wear resistance.
• Corrosion Protection:
Hot-dip galvanizing or epoxy powder coating.
• Seals:
Nitrile rubber (NBR) or polyurethane (PU) for hydraulic fluid
integrity.
Key Features
• Adjustable Foot Plate:
Swiveling base with anti-sink teeth for uneven terrain.
• Safety Lock:
Manual or automatic locking pins to prevent accidental retraction.
• Low-Maintenance Design:
Easy access to grease fittings and replaceable wear parts.
