TYW Series Foot Operated Hydraulic Drum Brakes TYW-200-CL.CP

TYW Series foot operated hydraulic drum brakes TYW-200-CL.CP

The TYW-200-CL.CP is a heavy-duty mechanical-hydraulic integrated drum brake from the TYW series, designed for manual control via foot operation. Classified as a foot-actuated hydraulic braking + spring-assisted reset open-type brake, it features a corrosion-resistant (CL) and enhanced protection (CP) dual configuration, delivering reliable braking force for low-speed heavy-duty machinery. The model designation clarifies core parameters: "TYW" for Foot-Operated Hydraulic Drum Brake series, "200" for brake drum diameter (200 mm), "CL" for corrosion-resistant coating, and "CP" for enhanced dustproof protection. Widely used in industrial scenarios requiring manual, precise braking control (e.g., material handling, construction machinery), it adapts to loads of 50–300 tons and harsh working conditions (dust, humidity, mild corrosion).

TYW-200-CL.CP is a member of the TYW series foot - operated hydraulic drum brakes. This series is generally a normally - open, horizontally - mounted structure, featuring labor - saving operation, stable braking performance and convenient maintenance. The working principle and application of TYW - 200 - CL.CP are specifically as follows:

Working Principle

This brake relies on hydraulic transmission to convert the foot force into braking force, and is equipped with special structures to ensure braking stability. It also has a manual locking device for emergency situations. The detailed working process is as follows:

Braking Implementation: When braking is needed, the operator steps on the supporting foot pump. Based on Pascal's principle, the hydraulic system amplifies this foot force. The hydraulic oil pressure in the system rises and is transmitted to the brake wheel cylinder. The piston of the wheel cylinder pushes the brake shoes on both sides to swing outward around the fixed fulcrum. The friction linings on the brake shoes closely fit the inner wall of the rotating brake drum. The generated friction torque opposite to the rotation direction of the brake drum forces the drum and the connected equipment rotating parts to decelerate rapidly until they stop. In addition, the series is equipped with an interlocking brake shoe clearance balancing device and an automatic centering device. These can keep the clearance of the brake shoes on both sides balanced at all times, avoiding the situation that the brake lining is stuck on one side of the brake wheel.

Braking Release: When the operator releases the foot pump, the hydraulic pressure in the system drops rapidly. The brake shoes, under the pulling force of the return spring, shrink inward and reset. The friction linings are separated from the inner wall of the brake drum, and the friction disappears. At this time, the brake drum can rotate freely again, and the braking state is released.

Emergency Protection: The brake is also equipped with a manual locking device. When the hydraulic system has no pressure, such as during equipment maintenance or sudden power failure, the manual device can be used to lock the brake shoes, preventing the equipment from moving accidentally and ensuring the safety of maintenance operations. Meanwhile, the main hinge points of the brake are equipped with self - lubricating bearings, which can ensure efficient power transmission and long service life without additional lubrication during operation.

Applications

As a member of the TYW series, TYW - 200 - CL.CP is mainly oriented to the braking demand of rotating parts of industrial equipment, especially suitable for small and medium - sized equipment that requires manual operation for braking control. Its specific application scenarios are as follows:

Hoisting and Port Machinery: It is mainly used for the deceleration and braking of the rotating parts of gantry cranes and stacker - reclaimers. It is also applicable to small and medium - sized cranes, hoists and other equipment in construction sites and ports. These devices have high requirements for braking stability during material hoisting and handling. This brake can realize unlimited braking through the foot pump, which can effectively prevent the risk of sliding during the operation of the equipment.

Agricultural and Mining Auxiliary Equipment: It can be matched with mining trolleys and tractor trailers for auxiliary braking. For the TYW - 200 model of the same series, its braking torque can reach 300N·m, which is suitable for the braking demand of agricultural and mining equipment with medium and low load. Moreover, it can be designed with explosion - proof and IP65 protection grade according to the harsh working conditions such as mines, so as to adapt to the harsh working environment.

General Industrial Conveying Equipment: It can be installed on the transmission mechanism of production line conveyors and small winches. In the process of material transmission, it can realize rapid emergency braking, avoid material accumulation and scattering caused by the failure of the conveyor to stop in time, and ensure the orderly operation of the production line.

Special Handling Equipment: It is also suitable for auxiliary braking of industrial handling equipment such as electric forklifts. In the process of goods handling in workshops and warehouses, operators can control the braking through the foot pump. This flexible braking method can improve the accuracy of forklift parking and avoid collision between the forklift and goods or other equipment.

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