DBQ Centrifugal Brake

The DBQ centrifugal brake is a safety brake used to prevent uncontrolled falls in cranes, industrial lifts or any type of structure that lifts a load and has a safety brake mounted on it. The FPC safety brake.

Its main feature, unlike the EC centrifugal brake, is that it can be disabled at will, quickly and easily.

Categoría:Safety Brakes

Description

What is the DBQ centrifugal brake?

The DBQ centrifugal brake addresses the need to install a centrifugal brake and a safety brake on the same lift.

They operate by centrifugal force, without additional external power supply, which makes them suitable for security applications.

Operation without an external power supply

The centrifugal brake DBQ operates by centrifugal force, eliminating the need for an external power supply. This makes it an ideal choice for security applications.

Designed for nominal motor speeds

The DBQ brake is designed for easy mounting between motor and gearbox, with IEC B5 standard flanges, suitable for speeds of 1500 rpm or 1800 rpm.

The centrifugal brake operates at 10-20% above nominal speed, and the FPC safety brake between 30% and 50%. This makes it impossible to perform parachute brake tests if a centrifugal brake is also installed on the hoist.

Quick and easy deactivation

Its outstanding feature is the possibility of being disabled quickly and easily through a specific mechanism.

Maximum security and versatility

Mounting a centrifugal brake DBQ together with an FPC safety brake in an elevator provides an exceptional level of safety.

Additionally, the ability to test both brakes without dismantling any components offers efficiencies unique in the industry.

Detailed operation of the centrifugal brake DBQ

The motor and brake rotate at a higher rated speed with the brake on. If, for any reason, the brake speed exceeds the nominal speed, the masses overcome the force of the springs and rub against the inner wall of the stationary drum, causing brake friction.

The motor and brake run above rated speed with the brake disabled. When a safety brake test is desired, the centrifugal brake is disabled so that the masses do not exert any braking force; thus, the brake behaves as a passive element and allows the speed to increase sufficiently for the safety brake to come into operation.

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Characteristics

Key Features of the DBQ Centrifugal Brake

Deactivation on demand: One of the main advantages of the DBQ centrifugal brake is its ability to be deactivated on demand. This feature provides flexibility and control over its operation, which is essential in safety applications.

Individual or self-supporting unit: The DBQ is designed to adapt to different configurations. It can be installed as an individual unit or as part of a self-supporting structure, facilitating integration into various systems.

Standardised flanges and shafts: Adapts to industry standards with IEC standardised flanges and shafts, simplifying installation and replacement while ensuring compatibility with other components.

High protection: Designed to operate reliably and effectively even under demanding conditions, ensuring maximum safety at all times.

Model	Torque Range (Nm)	Electric Motor (kW)	Rated Speed (rpm)
DBQ-20	0 – 45	2.2	1000 – 1500 – 1800
DBQ-40	0 – 90	5.5	1000 – 1500 – 1800
DBQ-80	0 – 150	11	1000 – 1500 – 1800
Values are typical ranges; please check the exact specifications of each model.