I. Introduction to Crane Interlock Protection Devices Crane interlock protection devices play a crucial role in ensuring the safety and proper operation of cranes. These devices are designed to prevent certain actions or movements of the crane’s mechanisms when specific conditions are not met, thereby avoiding potential accidents and ensuring the well-being of the operators […]
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Nov
Nov
I. Introduction to Lifting Machinery and Its Driving Devices Lifting machinery refers to electromechanical equipment that is used for vertically lifting or vertically lifting and horizontally moving heavy objects. In this section, we will introduce the requirements for the driving devices of lifting machinery. The driving device is the power equipment used to drive the […]
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Nov
Nov
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. Eerstens, 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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Nov
Nov
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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Nov
Nov
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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Nov
Nov
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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Nov
Nov
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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Nov
Nov
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 […]