I. Pre-Installation Inspection and Maintenance Before commencing the installation of a fixed-column jib crane, it is of utmost importance to carry out a meticulous inspection. Firstly, based on the packing list, carefully check whether there are any missing items or damages to the products and technical documents. During transportation, various issues might occur, such as […]
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I. Introduction to Pre-Departure Inspections Before a mobile crane is put into operation and starts traveling on the road or moving around a worksite, it is of utmost importance to conduct thorough pre-departure inspections. These inspections are designed to ensure that the crane is in a safe and proper working condition, minimizing the risks associated […]
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I. Introduction to Crane Over-Speed Protection Crane over-speed protection is a crucial safety protection device installed in the hoisting mechanism of cranes. It plays a vital role in ensuring the safe operation of cranes and safeguarding the well-being of various personnel involved in crane operations, as well as protecting the crane equipment itself from potential […]
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I. Introduction When a gantry crane is in operation, especially during rotation, brake failure can pose significant risks and disrupt the normal working process. In this regard, a detailed analysis of the causes and corresponding solutions of brake failure during the rotation of the gantry crane is of great importance. II. Observation of the Problem […]
I. Lifting and Hoisting When multiple cranes are used to lift a single component simultaneously, the load borne by each individual crane should meet the requirements of the special construction plan.In the context of large-scale construction projects or complex industrial operations where heavy components need to be lifted, it is often necessary to employ multiple […]
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I. Initial Setup and Opening of the Grab At the commencement of the working process, the supporting wire ropes are used to hoist the grab to an appropriate position. These supporting wire ropes play a crucial role in ensuring that the grab is properly positioned above the area where the material handling operation is to […]
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I. Introduction Due to the relatively long strokes of load lifting and lowering, boom extension and retraction, and boom luffing in mobile cranes, the acceleration phenomenon caused by the force of gravity during the downward movement of the mechanisms or loads is a rather prominent issue. To address this, mobile cranes typically employ the following […]
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I. Failure Phenomena of Couplings Severe Wear on Gear Teeth Surfaces: One of the common failure phenomena of couplings is the severe wear on the gear teeth surfaces. This wear can significantly affect the meshing and transmission performance of the coupling. When the gear teeth surfaces are worn, the smooth engagement between the gears is […]
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I. Introduction to Different Types of Jacks There are various types of jacks, mainly including claw jacks, hydraulic jacks, and screw jacks. Each type has its own unique characteristics, which result in different advantages and disadvantages. Understanding these can help users make more appropriate choices according to specific application scenarios. II. Claw Jacks Advantages Integrally […]
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The installation and erection of cranes, particularly tower cranes, is a critical process that demands strict adherence to safety regulations and operational procedures. The following are the key requirements and guidelines for the proper installation and erection of cranes, ensuring safety, efficiency, and reliability. 1. Understanding Crane Specifications Before beginning the installation process, it is […]