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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

Hot-rolled pulleys and cast steel pulleys are two types of crane pulleys that are widely used and used in large quantities. So what is the difference between the two? Let’s take a look. Different materials Hot rolled pulley, generally with low carbon steel or medium carbon steel (toughness is good) rolling processing, there is a … Read more

As a common mechanical component, sheaves play an important role in various equipment. However, the normal operation of the sheave is inseparable from regular maintenance and precautions. Improper maintenance of sheaves will not only increase maintenance costs, reduce equipment attendance, but also affect the construction safety of vehicles. Clean the sheavesurface Dust and impurities easily … Read more

The wheel is mainly composed of a tread and a rim. The tread is used to support the weight of the crane and make it run. The rim is used to guide and prevent the crane from derailing. Usually installed on the main beam or support structure of the crane. The wheel is one of the … Read more

The crane wheel set is all the wheels and various parts and components of the wheels. The wheel set not only supports the weight of the entire crane but also bears the weight of the material when the crane is working. Therefore, the quality of the crane wheel set is very critical. Judging from the … Read more

With the vigorous development of the industrial Internet, digitalization, intelligence, and unmanned operation have become the development trends of port lifting equipment. The following problems are common in the middle and late stages of the equipment’s life cycle (use time 10 years and above): 1. Equipment operation damage problem. The safety hazards of lifting equipment … Read more

The pick-up device is an important part of the crane. It is a device that connects materials with the crane for lifting and transporting materials by lifting, grabbing, sucking, clamping, supporting or other methods. Depending on the type, form, and volume of the materials being lifted, the retrieval devices used are also different. The lifting … Read more

Crane wheel sets are generally mainly composed of wheels, shafts, bearings, seat covers, blank covers, end covers and other major parts. Among them, the quality of wheel forgings is particularly important. Generally, large-tonnage rail lifting equipment uses forgings in wheel selection. For example: port machinery and cranes for wharfs, electric flat cars for metallurgical equipment, … Read more

The sheave block in the crane is an important component and is also an important component of the crane’s lifting. The sheave block is generally composed of rolling bearings, sheaves, sheave shafts, and rolling bearing spacers. This structure can withstand radial force better than axial force. During use of this structure, rolling bearing retaining rings, … Read more

A crane is composed of many parts, and each part plays an irreplaceable role. Therefore, during the operation of the crane, crane accessories account for a large part. The crane hook is the most commonly used fetching device in lifting operations. It bears the entire load of lifting. Once routine inspections are not done and … Read more