Load handling devices are special devices used in conjunction with crane systems to safely grip, lift and move loads. They play a crucial role in various industrial applications as they significantly increase the efficiency and safety of handling materials and goods.
Definition and Basic Meaning
Load handling equipment includes a variety of devices and tools designed to safely secure and transport different types of loads. These include lifting straps, chain slings, round slings, grippers and vacuum lifters. Each of these devices is designed to meet specific requirements while ensuring maximum safety and efficiency.
- Lifting straps: These are often made of synthetic fibers and can be used flexibly for lifting and moving delicate or irregularly shaped loads.
- Chain slings: Robust and durable load-bearing devices made of metal chains, which are mainly used for heavy and coarse loads.
- Round slings: Similar to lifting straps, but in a round shape, ideal for lifting loads that require even pressure distribution.
- Grippers: Mechanical devices specifically designed to securely grip certain objects. They are often used in specialized applications, such as lifting barrels or coils.
- Vacuum lifters: Devices that use vacuum components to safely lift smooth surfaces such as glass or metal plates.
Function and Areas of Application
The main function of load handling devices is to safely grasp loads and move them using a crane system. They are designed to provide a direct connection between the load and the crane, evenly distributing the load to prevent damage and ensure stability during lifting.
Areas of Application in Industry:
- Construction sites: Chain slings and lifting straps are often used here to safely lift and position building materials such as concrete blocks, steel beams and wood.
- Warehouses and logistics centers: In these environments, round slings and vacuum lifters are particularly useful for handling pallets, boxes and other stored goods.
- Manufacturing plants: Grippers and specialized load handling devices are used to safely handle workpieces, machine components and finished products.
- Shipyards and port facilities: In these areas, robust chain slings and lifting systems are required to move heavy containers and ship components.
By using load handling equipment, companies can significantly improve the efficiency of their material handling processes while ensuring the safety of the employees involved. However, regular inspections and maintenance are essential to ensure that this equipment is always in good working order and complies with applicable safety standards.
Load Handling Equipment Examples
Load handling devices are essential tools in industry that are used to safely lift and transport loads in conjunction with crane systems. There are a variety of different load handling devices, each designed for specific applications and requirements. Some of the most common types of load handling devices are described below.
Lifting Straps
Lifting straps, also known as lifting slings, are often made of synthetic materials such as polyester or nylon. They are flexible, lightweight and versatile, making them ideal for lifting irregularly shaped or delicate loads. The flexibility of lifting straps allows loads to be gripped securely without causing damage to their surface.
- Areas of application: construction, warehousing, mechanical engineering
- Advantages: High load capacity, protection of the load surface, easy handling
Chain Hanger
Chain slings are robust and durable load handling devices made of high-strength steel chains. They are particularly suitable for heavy and coarse loads and offer high resistance to abrasion and weathering. Chain slings can be used in various configurations such as single, double or four-leg designs to meet different lifting requirements.
- Areas of application: heavy industry, steelworks, shipbuilding
- Advantages: High resilience, durability, resistance
Round Slings
Round slings are similar to lifting straps, but are constructed in a round shape. They consist of endlessly wound polyester fibers that are surrounded by a protective cover. Round slings offer an even distribution of pressure on the load and are particularly suitable for sensitive or painted surfaces.
- Areas of application: Automotive industry, aircraft construction, furniture manufacturing
- Advantages: Even pressure distribution, high flexibility, gentle handling of sensitive surfaces
Grab
Grippers are mechanical devices specifically designed to securely grip certain objects. There are several different types of grippers, including barrel grippers, coil grippers and drum grippers, each of which is specialized for handling specific loads. Grippers enable precise and safe movement of objects that are difficult to handle manually.
- Areas of application: waste management, recycling, manufacturing industry
- Advantages: precision, safety, specialization for certain loads
Vacuum Lifter
Vacuum lifters use vacuum technology to safely lift smooth and dense surfaces. These load handling devices are particularly useful for handling materials such as glass, metal plates or plastic panes. Vacuum lifters enable damage-free handling and offer high positioning accuracy.
- Areas of application: glass industry, metal processing, manufacturing plants
- Advantages: Damage-free handling, high precision, fast and efficient application
DGUV Load Handling Equipment
The regulations and guidelines of the German Social Accident Insurance (DGUV) play a central role in ensuring safety when handling load handling equipment. These regulations are designed to prevent accidents and increase operational safety in all industries that use crane systems and load handling equipment. Compliance with these regulations is not only a legal obligation, but also makes a significant contribution to protecting employees and improving the efficiency of operational processes.
Overview of DGUV Regulations
The DGUV has issued a series of regulations and rules that govern the safe use of load-handling equipment. The most important documents include:
- DGUV Rule 100-500: This rule relates to the use of work equipment and includes specific requirements for load-carrying devices.
- DGUV Information 209-013: This information provides detailed instructions on the selection, use and testing of load handling equipment.
- DGUV Regulation 52: This regulation deals with cranes and contains specific rules for the load handling equipment used in conjunction with cranes.
Significance for Operational Safety
The DGUV regulations make a significant contribution to operational safety by setting out clear guidelines for the safe handling of load-handling equipment. This includes various aspects:
- Selection and procurement: Companies must ensure that the load-handling equipment they select meets the requirements of the DGUV. This means that only tested and certified products may be used.
- Use and handling: The DGUV provides precise instructions on the safe handling of load handling equipment. This includes ensuring that employees are regularly trained and informed about the correct techniques and procedures for lifting and moving loads
- Regular inspections and maintenance: One of the key requirements of the DGUV is the regular inspection and maintenance of load handling equipment. This includes visual inspections, functional tests and, if necessary, specialised testing methods to ensure the integrity and safety of the equipment
- Documentation and obligation to provide evidence: All inspections and maintenance work must be carefully documented. The records serve as proof of compliance with legal regulations and can be used in the event of an accident or an official inspection.
Practical Implementation in the Company
In order to effectively implement the DGUV regulations, companies should develop and implement a structured safety management system. The key components of this system are:
- Training and education: Regular training and refresher courses for all employees working with load handling equipment. This ensures that everyone involved is always informed of the latest safety standards and practices.
- Inspection plans: Establish and maintain a fixed inspection plan for all load handling equipment. This should include both daily visual inspections by operators and more comprehensive periodic inspections by qualified professionals
- Risk assessment and hazard evaluation: Risk assessments should be carried out before any load handling equipment is used in order to identify and minimize potential hazards at an early stage.
Load Handling Equipment Machinery Directive
The European Union's Machinery Directive 2006/42/EC lays down essential health and safety requirements for the design and use of machinery and its components, including load-handling equipment. This directive is binding for all EU member states and aims to ensure a high level of safety at work and to promote the free movement of goods within the internal market.
Relevant Provisions of the Machinery Directive
The Machinery Directive 2006/42/EC contains a number of provisions specifically aimed at load-handling accessories. These rules concern both the design requirements and the operating conditions under which load-handling accessories may be used.
- Design requirements: Manufacturers of load handling equipment must ensure that their products comply with the essential health and safety requirements of the Machinery Directive. This includes selecting suitable materials, considering ergonomic aspects and minimising risks through design measures.
- Marking and instructions: Each load-carrying device must be clearly and permanently marked, including the load capacity, serial number and manufacturer information. In addition, comprehensive user instructions must be provided, containing information on safe use, maintenance and any limitations.
- Risk assessment: Before placing load handling equipment on the market, manufacturers must carry out a detailed risk assessment. This assessment identifies potential hazards and describes the measures taken to minimise these risks.
- Conformity assessment and CE marking: Load handling equipment must undergo a conformity assessment to ensure that it meets the requirements of the Machinery Directive. Successfully tested products receive the CE marking, which confirms their conformity with EU regulations and allows them to be freely marketed within the EU.
Requirements for the Use of Load Handling Equipment
In addition to the design requirements, the provisions of the Machinery Directive also set standards for the safe use of load-handling equipment in practice.
- Safety precautions: Operators of load handling equipment must ensure that all equipment is regularly maintained and inspected. Visual inspections must be carried out before each use to ensure that there is no damage or signs of wear.
- Training and qualifications: Employees operating load handling equipment must be appropriately trained and qualified. Training should ensure that operators understand the specific risks and can use the correct techniques to prevent accidents.
- Risk assessment: As part of the risk assessment, employers must evaluate the specific risks associated with the use of lifting equipment and take appropriate measures to reduce the risks. This includes drawing up emergency plans and providing appropriate personal protective equipment (PPE).
Significance for Operational Safety
Compliance with the Machinery Directive 2006/42/EC is essential for ensuring the safety and efficiency of load handling equipment. The strict design requirements and comprehensive operating guidelines ensure that load handling equipment functions safely and reliably. This not only helps prevent accidents and injuries, but also optimises operational processes.
Load Handling Equipment Regulations
The safe use and inspection of load handling equipment is regulated by a variety of legal regulations and standards. These rules are essential to ensure operational safety and to minimize the risk of accidents and injuries. The following is an overview of some of the most important regulations and standards that are relevant to the safe operation of crane systems.
Statutory Regulations
Occupational Safety and Health Act (ArbSchG): The Occupational Safety and Health Act forms the basis for protecting the health and safety of employees in Germany. It obliges employers to take appropriate measures to minimize risks in the workplace. This includes the safe provision and use of load-handling equipment.
Industrial Safety Ordinance (BetrSichV): This ordinance regulates the provision and use of work equipment, including load-carrying equipment. It stipulates that work equipment must be checked regularly to ensure its safety. In particular, tests are required before initial commissioning, after significant changes and at regular intervals.
Standards and Guidelines
DIN EN 13155: This European standard specifies the requirements for loose load handling devices used with cranes. It includes safety requirements and test procedures that ensure that load handling devices function reliably and safely under real operating conditions.
ISO 9927-1: This international standard deals with the inspection, maintenance and repair of lifting equipment, including load handling accessories. It describes the criteria for inspection intervals and the test procedures required to ensure the safety and functionality of the equipment.
DGUV Regulation 100-500 (formerly BGV D6): This regulation of the German Social Accident Insurance (DGUV) contains specific requirements for the safe use of load-handling equipment and cranes. It includes guidelines for the selection, installation and regular inspection of load-handling equipment.
Impact on the Safe Operation of Crane Systems
Compliance with the above regulations and standards has a significant impact on the safe operation of crane systems. By strictly following these regulations, companies can ensure that their load handling equipment is always in a safe and operational condition.
- Regular inspections and maintenance: One of the key requirements of these regulations is the regular inspection and maintenance of load handling equipment. This helps to identify potential defects early and to remedy them in good time before they can lead to dangerous situations.
- Training and qualification of employees: Regulations require that all employees working with load handling equipment are appropriately trained and qualified. This ensures that operators have the necessary knowledge and skills to use the equipment safely and efficiently.
- Documentation and proof of compliance: Careful documentation of all inspections, maintenance work and training is essential. These records serve as proof of compliance with legal requirements and can be used in the event of an official inspection or an accident.
- Risk assessment and risk management: Employers are required to carry out risk assessments on a regular basis to identify the specific risks associated with the use of lifting equipment and to take appropriate measures to reduce the risks. This is an important contribution to creating a safe working environment.
