Your Benefits

The torsionally flexible, individually configurable Coupling-Brake Systems RINGFEDER^® TZS – developed and continuously advanced from the industrial brake business of the former TÜSCHEN & ZIMMERMANN GMBH & CO. KG – combine the highest safety standards with innovative technology. They integrate couplings, brake discs, flanges, brakes, and various additional options into a powerful, highly reliable overall system. This system not only couples drives efficiently but also brakes them in a controlled and safe manner – even under the most demanding operating conditions typically encountered in mining and bulk material handling.

Coupling-Brake Systems RINGFEDER^® TZS are specifically designed for demanding applications at the mechanical interface between motor and gearbox in conveying systems for underground and surface mining, as well as in heavy industry, power transmission technology, and general mechanical and plant engineering. Thanks to the modular system design, coupling, brake, and other components can be precisely and flexibly adapted to the specific application and its associated operational and customer requirements – either as a compact standard unit or as a customized special solution for specific drive or conveying systems.

Superior Functionality

Coupling-Brake Systems RINGFEDER^® TZS act as a defined mechanical interface between motor and gearbox, which – in combination with an integrated braking system – reliably decelerates and stops equipment. They fulfill three core functions equally:

• Coupling & Transmitting: Efficient connection of motor and gearbox and optimal transmission of drive power via highly robust elastomer or hydrodynamic couplings
• Damping & Compensating: Effective absorption of shocks, vibrations, and misalignments through durable, wear-resistant, and low-maintenance elastic intermediate rings
• Braking & Holding: Safe braking and constant holding via high-performance brakes and brake discs with optimal heat dissipation

Two Brake System Options

Users can choose between two different brake systems:

• Electromechanical Function Brake TZF EL-SA
• Manual Clamping Device TZC

The electromechanical function brake TZF EL-SA with fail-safe functionality is electrically actuated and enables controlled braking and holding based on the proven spring-applied principle. This means: The brake is closed in its resting state and pressed securely against the brake disc by stored spring force. It only opens through electrical release – a decisive advantage for operational safety in emergencies or power failures.

The manual clamping device TZC is a hand-operated chain tensioning and locking mechanism for chain scraper conveyors and other drive and conveying systems. It allows safe braking and holding without external power supply and can be mounted directly on the brake cover in any installation position. It is available in two performance classes for different drive capacities.

Integrated Elastomer Coupling

The torsionally flexible RINGFEDER^® Elastomer Coupling used in the Coupling-Brake Systems RINGFEDER^® TZS is fail-safe and movable in all directions. It reliably compensates axial, radial, and angular shaft misalignments caused by assembly inaccuracies or settling effects – thus significantly contributing to the longevity and operational safety of the system. The elastic intermediate ring of the coupling can be replaced radially without shifting the motor, minimizing maintenance and downtime. Drives operating in the oversynchronous range, such as those used in downward conveying systems, particularly benefit from torsionally flexible couplings. Alternatively, for especially smooth acceleration of heavy masses or shock-free motor start-up and ramp-up, connection with a hydrodynamic coupling is also possible.

Modular System Design

Thanks to the modular design of the Coupling-Brake Systems RINGFEDER^® TZS and the associated component kit, users benefit from maximum flexibility and precise adaptation to the specific requirements of their application. All components are freely combinable. The basic configuration consists of the elastomer or hydrodynamic coupling including the required brake disc. The desired brake system – electromechanical functional brake TZF EL-SA based on the spring-applied principle or manual clamping device TZC – is configured with additional components such as cover, flanges, torque support units, and sensors according to customer requirements. This results in tailor-made coupling-brake systems optimally adapted to the specific conditions of the application.

• Adaptable: Ideal, precise solutions for conveying systems, crushers, heavy machinery, and power transmission technology
• Combinable: Coupling, brake disc, brake, cover, and additional options as individual components in a holistic system
• Maintenance-Friendly: Durable, long-life brake linings and easily accessible elastic intermediate rings
• Upgradeable: Additions and extensions, e.g., sensors, can be integrated at any time
• Future-Proof: Uniform system design with long-term spare parts availability

Main Areas of Use

• Conveying systems in underground and surface mining, e.g., chain and belt conveyors
• Heavy industry
• Power transmission technology
• General mechanical and plant engineering

ATEX Compliance

For maximum safety in explosion-endangered areas, Coupling-Brake Systems RINGFEDER^® TZS can be supplied in compliance with ATEX according to Product Directive 2014/34/EU and DIN EN ISO 80079-36:2016.

The torsionally flexible RINGFEDER^® Elastomer Coupling integrated into the Coupling-Brake Systems RINGFEDER^® TZS is fail-safe and movable in all directions. It reliably compensates axial, radial, and angular shaft misalignments, which may result from assembly inaccuracies or settling effects – making a significant contribution to the overall system’s service life and operational safety. The elastic intermediate ring of the coupling can be replaced radially without shifting the motor, simplifying maintenance and significantly reducing downtime. Drives operating in the oversynchronous range, such as those used in downward conveying systems, particularly benefit from the use of torsionally flexible couplings. Alternatively, for applications requiring especially smooth acceleration of large masses or shock- and load-free motor start-up and ramp-up, connection via a hydrodynamic coupling is also possible.

1. Claw Hubs

Reliable connection to gearbox and motor

2. Claw Rings

Positive-fit unit for precise and secure power transmission

3. Brake Disc

Internally ventilated and heat-resistant for consistent, reliable braking performance, optionally toothed

4. Elastic Intermediate Rings

Damping of shocks and vibrations as well as compensation of misalignments in all directions, mountable and replaceable radially without shifting the drive unit