The quality of crane girders serves as the foundation for ensuring the quality of track installation. En général, the installation datum line of the track is the datum line of the crane girder. Before track installation, a careful inspection of the crane girder must be carried out. Simultanément, the datum line of the crane girder can […]
Introduction ces dernières années, L'industrie minière a subi une transformation significative, largement motivé par le besoin de durabilité et de rentabilité. L'un des développements les plus révolutionnaires de ce secteur est l'adoption de camions à benne électrique. Alors que les industries du monde entier s'efforcent de réduire les émissions de carbone et de passer à des alternatives plus vertes, le […]
The hydraulic system provides power for the operational devices of an engineering crane. Proper maintenance of the hydraulic system is crucial for enhancing the crane‘s operational reliability. Typiquement, hydraulic systems must undergo flushing before they are officially put into use. The purpose of this flushing process is to remove contaminants, metal debris, fibrous compounds, iron […]
Load limiters and load moment limiters are collectively referred to as overload protection devices. Overloading is one of the primary causes of crane accidents. In mild cases, overloading can damage crane components, causing motor overload and structural deformation. Dans les cas graves, it can result in broken beams, tower collapse, arm fractures, or even complete machine […]
Introduction avec le développement rapide des technologies de construction et les demandes croissantes de sécurité, efficacité, et conservation de l'énergie, Les grues de la tour jouent un rôle essentiel dans les projets de construction modernes. Parmi les composantes clés des grues à tour, Le mécanisme de levage est crucial pour le levage et la baisse des charges en toute sécurité et efficacement. Les mécanismes de levage traditionnels reposent généralement sur la mécanique […]
Factor 1: Unsafe Conditions of the Crane Itself One of the primary reasons for the falling of loads from crane hooks is the inherent unsafe conditions of the crane itself. These conditions can stem from various sources, including design flaws, manufacturing defects, improper installation, and inadequate maintenance. 1. Design Deficiencies Poorly designed cranes can present […]
Introduction Les convoyeurs sont des équipements essentiels dans divers secteurs industriels, y compris l'exploitation minière, logistique, et fabrication. Leur installation appropriée affecte directement l'efficacité opérationnelle, sécurité, et durabilité. Ce document décrit les méthodes d'installation des convoyeurs, considérations clés, et les précautions nécessaires pour assurer des opérations en douceur. 1. Préparation avant l'installation avant de commencer l'installation d'un système de convoyeur, préparation approfondie […]
The structure of the short-stroke block brake is shown in Figure 1-17. When the electric motor is powered on, the electromagnet coil connected in parallel with the motor winding is also energized. This generates an attractive force in the stationary core (9), which pulls the moving core (8). Par conséquent, the push rod (7) is pushed […]
1. Classification by Length Ball mills can be classified based on the ratio of their length to diameter. This classification affects their grinding efficiency, usage, and application in various industries. (1) Short Ball Mill A ball mill is considered short if its length-to-diameter ratio is less than 2. It is commonly referred to simply as […]
As a type of lifting and transportation machinery, large tower cranes are prone to rust and corrosion due to various unresolved issues. The steel structures of large tower cranes are particularly susceptible to rusting when exposed to air for extended periods without adequate protective measures. This corrosion occurs when the steel structure reacts chemically with […]