YLZ25 Series Hydraulic Wheel Brake is a heavy‑duty spring‑applied hydraulic‑release holding brake, specially developed for large‑scale rail‑mounted port cranes. It follows the working principle of spring‑applied braking and hydraulic release. When the hydraulic system loses pressure, powerful compression springs push the brake pads to tightly clamp the tread of crane travelling wheels, generating stable braking torque to realize parking and anti‑wind holding function. When sufficient hydraulic pressure is supplied, hydraulic cylinder overcomes spring force to pull back the brake pads and release the wheels, so that the crane can complete normal travelling operation.
Adopting fail‑safe design, the brake automatically engages braking once hydraulic pressure fails, which greatly improves the safety of outdoor equipment. It can effectively prevent crane drifting and run‑away accidents caused by strong wind in open‑air port yards. Fitted with high‑performance wear‑resistant brake pads, the brake maintains stable friction coefficient and reliable clamping capacity under heavy‑load and frequent working cycles.
The main body adopts high‑strength cast‑steel structure, featuring outstanding impact resistance and corrosion resistance, adapting to harsh outdoor working environments such as ports and container terminals. The clearance between brake pads and wheel tread can be adjusted conveniently on‑site to meet assembly requirements of different wheel sizes. With modular structural layout, brake pads can be quickly replaced without disassembling the whole brake unit, shortening maintenance cycle and reducing operating costs. All transmission hinge points are precisely processed to ensure sensitive and stable action response.
As an essential safety protection component for port lifting machinery, YLZ25 series hydraulic wheel brake is widely equipped on gantry cranes, container cranes and other rail‑mounted large‑size lifting equipment for long‑term parking and storm‑proof anti‑creep protection.
Core Features
‑ Spring‑applied, hydraulic‑release fail‑safe design; braking automatically engages under pressure loss‑ Clamps wheel tread to provide stable parking torque and anti‑wind holding performance‑ Effectively avoids crane drifting and run‑away accidents under strong wind conditions‑ Heavy‑duty cast‑steel housing, excellent impact and corrosion resistance for port outdoor sites‑ High wear‑resistant brake pads, stable friction performance and long service lifespan‑ Convenient on‑site clearance adjustment for different wheel assembly requirements‑ Modular design for quick brake pad replacement, low maintenance workload and downtime‑ Suitable for gantry cranes, container cranes and other rail‑mounted port lifting machinery
