German COREMO brakes, COREMO models, COREMO prices

COREMO brakes are devices that decelerate, stop, or maintain the stopped state of moving components (or machinery). They are mechanical parts that stop or decelerate moving parts in machinery, commonly known as brakes. A brake mainly consists of a frame, braking elements, and an actuation device. Some brakes are also equipped with automatic adjustment devices for braking element clearance. To reduce braking torque and structural size, brakes are usually installed on the high-speed shaft of the equipment, but for large equipment with high safety requirements (such as mine hoists, elevators, etc.), they should be installed on the low-speed shaft near the working part of the equipment.

COREMO Brake Classification

1) Service brakes: Service braking (foot brake) facilitates deceleration and stopping during forward motion, not merely keeping the vehicle stationary. The parking brake is used only if the service brake fails. After the vehicle comes to a complete stop, the parking brake (handbrake) must be applied to prevent forward and backward movement. After parking, in addition to using the parking brake, shift into first gear when parked on an uphill slope (to prevent rolling backward), and shift into reverse gear when parked on a downhill slope (to prevent rolling forward). In industrial brakes, crane brakes serve as both operating and safety devices for cranes. In hoisting mechanisms, brakes allow lifted or lowered loads to stop smoothly at the required height or control the lifting or lowering speed. In travel or luffing mechanisms, brakes allow the mechanism to stop smoothly at the required position. Hydraulic brakes offer advantages such as smooth operation, safety, reliability, easy maintenance, low power consumption, long service life, noiseless operation, and high frequency. They are widely used in industries such as lifting and transportation, port machinery, metallurgical machinery, railway machinery, hydraulic engineering machinery, and mining machinery. 2) Elevator brakes. The brake is one of the frequently acting safety components of an elevator. It can stop the elevator motor from rotating in the absence of power supply and effectively bring the car to a halt. The safe operation of an elevator is closely related to the working condition of the brake. Numerous accident cases indicate that one of the main causes of personal injury and fatalities in elevator accidents is brake failure or inherent design defects, leading to phenomena such as over-travel at the top, bottoming out, unintended car movement, and even shearing. Therefore, strengthening safety inspections of elevator brakes is particularly important.

COREMO Brake Structure and Applications

1) Energy supply device, including various components that supply and regulate the energy required for braking and improve the state of the energy transmission medium. 2) Control device, including various components that generate braking action and control the braking effect. 3) Transmission device, including various components that transmit braking energy to the brake. 4) Brake, the component that generates force (braking force) to hinder the motion or tendency of motion of the vehicle, including retarders in auxiliary braking systems. Decelerating or even stopping a moving vehicle, maintaining a constant speed for a vehicle traveling downhill, and keeping a stopped vehicle stationary are collectively referred to as braking. A series of specialized devices installed on automobiles enable the driver to apply a certain force from the outside (mainly the road surface) to certain parts of the automobile (mainly the wheels) according to road and traffic conditions, thereby achieving a certain degree of braking. This controllable external force applied to the automobile for braking is called braking force; such a series of specialized devices is called the braking system. The braking system used to decelerate or even stop a moving vehicle is called the service braking system; the device used to keep a stopped vehicle stationary is called the parking braking system. These two braking systems are mandatory for every automobile.

COREMO Brake Transmission Device

Generally, the mechanical transmission device of the parking brake system is composed as shown in the figure on the right. The parking brake system shares the rear wheel brakes 7 with the service brake system. When applying the parking brake, the driver pulls up the parking brake control lever 1, which tightens the parking brake control cable 3 via the balance lever 2, actuating the two rear wheel brakes. Due to the unidirectional action of the pawl, after the pawl engages with the ratchet plate, the control lever cannot reverse, and the parking brake linkage can be reliably locked in the braking position. To release the brake, first lift the control lever slightly, then press the push-button 8 at the end of the control lever, which moves the pawl away from the ratchet plate via the pawl release rod. Then push the control lever down to the released position. This allows the pawl to lock the entire parking mechanical brake linkage in the released position. The parking brake system must reliably ensure that the automobile remains stationary in place, which can only be achieved through mechanical locking methods; therefore, parking brake systems mostly use mechanical transmission devices.

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