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YLZ100 Series Hydraulic Wheel Brakes
YLZ series hydraulic wheel brakes The YLZ100 is a Hydraulic Wheel-Side Brake (also known as a Wheel Clamp or Rim Brake). Unlike traditional brakes that act on a drum or disc attached to a shaft, the YLZ series clamps directly onto the rim (wheel tread) of the crane wheel. The model number...
Description
YLZ series hydraulic wheel brakes
The YLZ100 is a Hydraulic Wheel-Side Brake (also known as a Wheel Clamp or Rim Brake). Unlike traditional brakes that act on a drum or disc attached to a shaft, the YLZ series clamps directly onto the rim (wheel tread) of the crane wheel.
The model number indicates:
YLZ: The series designation for Hydraulic Wheel-Side Brakes.
100: The maximum compatible Wheel Load rating of 100 Tons (approx. 1000 kN).
This device is a critical safety component used primarily for wind protection (storm braking) on large outdoor cranes.
Products Description
💡 Key Features & Characteristics
Direct Wheel Clamping:
The brake applies friction directly to the vertical face of the wheel rim. This "wheel-side" action prevents the wheel from rolling, making it highly effective for holding heavy loads against wind forces.
Fail-Safe Design (Normally Closed):
Braking: The brake is spring-applied (using碟簧/disc springs). It remains clamped on the wheel when power is off.
Release: A hydraulic station provides pressure to compress the springs and release the brake, allowing the crane to move.
High Corrosion Resistance:
Designed for harsh marine environments (ports and docks), the YLZ100 features:
Stainless Steel Fasteners: All bolts and pins are stainless steel.
Coatings: Often treated with anti-corrosion coatings (like QPQ) to withstand salt spray and seawater.
High-Performance Linings:
Uses asbestos-free friction pads that are insensitive to water and salt spray. These linings maintain a high and stable coefficient of friction even in wet conditions.
Safety & Monitoring:
Equipped with limit switches that provide feedback to the control system. This ensures the brake is fully released before the crane starts moving and confirms it is engaged during parking.
Adjustable:
Features a linkage mechanism that ensures the brake pads retract evenly (equal retreat) from the wheel, preventing drag. The clamping force is adjustable via the hydraulic pressure.
🏭 Typical Applications
The YLZ100 is specifically designed for large-scale outdoor rail-mounted machinery:
Port Machinery: Container gantry cranes, ship-to-shore cranes, and portal cranes.
Wind Protection: Used as a primary or auxiliary anti-wind device to prevent cranes from being blown away during storms.
Mining & Metallurgy: Outdoor stacker-reclaimers and bucket wheel excavators.
Construction: Large gantry cranes operating in open yards.
📋 General Technical Specifications
表格
| Parameter | Description |
|---|---|
| Type | Hydraulic Wheel-Side Brake (Rim Brake) |
| Model Series | YLZ Series |
| Model Variant | YLZ100 (Heavy Duty) |
| Wheel Load Capacity | 63 < P ≤ 100 Tons |
| Rated Clamping Force | 180 kN (Approx. 18 tons of force) |
| Actuation Method | Hydraulic Release / Spring Apply |
| Braking Surface | Wheel Rim (Side) |
| Protection Rating | IP65 (Hydraulic components) |
| Ambient Temperature | -20°C to +50°C |
| Key Material | Stainless Steel (Fasteners), Asbestos-free Linings |
Note: The YLZ100 is typically installed on the non-driven (idler) wheels of the crane to prevent rolling. However, for maximum safety and economy, it is often recommended to use it in combination with service brakes on the driven wheels. The "100" specifically refers to the upper limit of the wheel load class (63 to 100 tons).
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