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The pulley block in the crane is an important component of the crane’s lifting. It generally consists of rolling bearings, sheaves, sheaves shafts, and rolling bearing spacers. Problems with the sheaves block will directly affect normal construction. What problems are prone to occur with crane sheaves bearings? Crane overloaded Overloading of lifting heavy objects directly … Read more
Crane refers to a multi-action lifting machinery that lifts vertically and carries heavy objects horizontally within a certain range. Bridge crane is a kind of lifting machinery widely used in industrial and mining enterprises. Whether it can work normally directly affects the completion of locomotive maintenance tasks and the safety of people and equipment. Hook … Read more
The wheel set is one of the important crane accessories. Since the crane wheel set is worn all the time when the crane truck is running, it is normal for the crane wheel set to have internal bearing damage and wheel set edge grinding in places with frequent use. If there is a problem with … Read more
There are many things to pay attention to in forging and casting production methods, but not every item needs strict attention. What is the difference between forging and casting production methods? The following article mainly tells you about it. Forging is a processing method that uses external force to plastically deform a blank (metal) to … 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 docks, electric flat cars for metallurgical equipment, … Read more
The crane drum group is used to wind the wire rope in the lifting mechanism to transfer power. The drum set consists of a drum, a drum set, a gear coupling, a bearing bracket and other components. The drum used by the crane is a compound drum, and there are spiral grooves on both sides … Read more
The crane drum is a component used to wind the wire rope. During the lifting process, the wire rope is retracted and unwound through the drum, driving the pulley block and the fetching device to achieve lifting and lowering. The material of the reel is preferably cast steel because the cast steel reel has higher … Read more
Crane accessories as an important part of lifting machinery equipment, daily maintenance and maintenance are particularly important, do not care because it is a small fault, and finally lead to a large outbreak of problems, so as to share this knowledge with you today. No matter what the construction environment is, the wear and tear … Read more
Any large project requires the close cooperation of countless lifting machinery accessories to complete. Lifting machinery is an intermittent, repetitive working mode, lifting, lowering or lifting, moving mechanical equipment through lifting hooks or other spadders, widely used in the lifting of various materials, transportation, loading and unloading installation and personnel transportation and other safety operations. … Read more
Most of the train track accessories are components of railway lines, including rails, sleepers, connecting parts, fishplates, backing plates and casings, etc. As an integral engineering structure, the track is laid on the roadbed, plays a guiding role in train operation, and directly bears the huge pressure of rolling stock and its load. Under the … Read more
