As one of the key components of crane, the performance directly affects the operating efficiency and service life of the entire crane system.Strictly use the pulley according to its safe lifting capacity, and do not overload it. There should be a nameplate on the pulley and pulley block to indicate the size, type and performance … Read more
Fault characteristics: The trolley twists or swings forward when starting or running, or the wheels show signs of climbing the rails when the trolley is running.Phenomenon 1: The trolley is not synchronized when starting, but is synchronized when running Fault cause This phenomenon is caused by electrical faults, such as broken wires inside resistors, loose … Read more
The operating mechanism of gantry crane mainly includes lifting mechanism, traveling operating mechanism, trolley operating mechanism and rotating mechanism. These operating mechanisms work together, so that the gantry crane can be flexible and accurate in a wide range of heavy loads, to adapt to different working environments and needs. The traveling running mechanism of the … Read more
Trolley wheel is a kind of forged wheel, which is widely used in bridge cranes, gantry cranes and mining machinery. The wheel of a traveling vehicle is an accessory with good quality, strength and other properties, but it is also a component that is relatively easy to damage. According to the use characteristics of the traveling … Read more
The hook is one of the main parts of lifting machinery. Its material, manufacturing process, factory inspection quality and self-inspection level are directly related to the safety issues during use. If it is not done properly, special equipment accidents may occur, causing personal and property losses. Therefore, the material, inspection and scrap standards of the … Read more
There are many types of hooks. Generally speaking, they can be divided into forged hooks and laminated hooks according to different manufacturing methods; and they can be divided into single hooks and double hooks according to different shapes. Hook manufacturing method According to the manufacturing method, it is divided into forged hooks and laminated hooks … Read more
The crane mainly includes lifting mechanism, operating mechanism, amplitude changing mechanism, rotating mechanism and metal structure. Lifting mechanism is the basic working mechanism of the crane, mostly composed of hanging system and winch, but also through the hydraulic system lifting heavy objects. The operating mechanism is used to vertically move heavy objects horizontally or adjust … Read more
Cast steel pulley in the production process, each process and operation are very important, if the operation is not standardized, not in place, it will affect the quality of the product. Crack is one of the common problems in the production of cast steel pulley. So, what is the cause of the crack in the … Read more
In daily industrial production, pulley as an important transmission component, its performance and stability directly affect the operating efficiency and safety of equipment. Do you know the difference between a rolled pulley and a forged pulley? What are the advantages of each? Rolling pulley Hot rolling pulley refers to the special mechanical parts used in … Read more
Cast steel pulley is generally made of ZG25Ⅱ, ZG35Ⅱ steel casting, characterized by high strength and impact toughness, corrosion resistance and wear resistance, with longer service life. Cast steel pulley is widely used in crane, mining machinery and other fields. Casting temperature selection of cast steel pulley The casting temperature of the cast steel pulley … Read more
