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　　Semi-enclosed hook group as the core component of lifting machinery, its assembly quality is directly related to the safety and stability of equipment operation. To ensure the smooth completion of the assembly work, we need to start with details and strictly control each link.

　　Preparation is crucial before assembly. It is necessary to check the hook, moving pulley, pulley shaft, bearing and other components to check whether there are cracks, wear or deformation on the surface. Once defects are found, they must be replaced immediately and do not use it "with illness". At the same time, it is necessary to ensure that the machining accuracy of all parts meets the requirements, especially the interference fit size, special tools are required for review. In addition, the tools and lubricating materials required for assembly must be prepared in advance to ensure the assembly process is smooth.

　　In the assembly process, it is necessary to follow the principle of "internal first, then outside, first, down and then top". First assemble the hook and the beam in place to ensure that the hook can rotate flexibly; then install the pulley and bearing, pay attention to the parallelism of the pulley shaft to avoid stagnation after assembly. When assembling, you should gently hold the parts to avoid bumps and scratches. At the same time, you should clean the remaining sharp angles, burrs and foreign objects to prevent damage to the seal during assembly. For areas that need lubrication, apply an appropriate amount of grease to ensure flexible rotation.

　　After assembly is completed, the debugging and acceptance process cannot be ignored. The hook group needs to be tested for no load and load to check whether its rotation is smooth and there is abnormal noise, and at the same time verify whether its load-bearing capacity meets the design requirements. During the debugging process, if problems are found such as inflexible deflection of the hook and the pulley are stuck, the reasons need to be checked in time. It may be caused by the small gap between the rotating part or the bearing is damaged, and adjustment or replacement is required.

　　In daily use, the hook group needs to be maintained. Regularly inspect the hook group, especially in areas that are prone to wear. If you find that the wear is serious, you need to replace it in time. At the same time, lubrication should be done well to prevent accessories from wear and extend the service life of the hook set.

　　In short, the assembly of the semi-enclosed hook group needs to start from the details and strictly control each link. Only by making sufficient preparations, following scientific assembly processes, strengthening debugging and acceptance, and doing daily maintenance can we ensure the smooth assembly and long-term stable operation of the hook group.

　　Semi-enclosed hook group as the core component of lifting machinery, its assembly quality is directly related to the safety and stability of equipment operation. To ensure the smooth completion of the assembly work, we need to start with details and strictly control each link.

　　Preparation is crucial before assembly. It is necessary to check the hook, moving pulley, pulley shaft, bearing and other components to check whether there are cracks, wear or deformation on the surface. Once defects are found, they must be replaced immediately and do not use it "with illness". At the same time, it is necessary to ensure that the machining accuracy of all parts meets the requirements, especially the interference fit size, special tools are required for review. In addition, the tools and lubricating materials required for assembly must be prepared in advance to ensure the assembly process is smooth.

　　In the assembly process, it is necessary to follow the principle of "internal first, then outside, first, down and then top". First assemble the hook and the beam in place to ensure that the hook can rotate flexibly; then install the pulley and bearing, pay attention to the parallelism of the pulley shaft to avoid stagnation after assembly. When assembling, you should gently hold the parts to avoid bumps and scratches. At the same time, you should clean the remaining sharp angles, burrs and foreign objects to prevent damage to the seal during assembly. For areas that need lubrication, apply an appropriate amount of grease to ensure flexible rotation.

　　After assembly is completed, the debugging and acceptance process cannot be ignored. The hook group needs to be tested for no load and load to check whether its rotation is smooth and there is abnormal noise, and at the same time verify whether its load-bearing capacity meets the design requirements. During the debugging process, if problems are found such as inflexible deflection of the hook and the pulley are stuck, the reasons need to be checked in time. It may be caused by the small gap between the rotating part or the bearing is damaged, and adjustment or replacement is required.

　　In daily use, the hook group needs to be maintained. Regularly inspect the hook group, especially in areas that are prone to wear. If you find that the wear is serious, you need to replace it in time. At the same time, lubrication should be done well to prevent accessories from wear and extend the service life of the hook set.

　　In short, the assembly of the semi-enclosed hook group needs to start from the details and strictly control each link. Only by making sufficient preparations, following scientific assembly processes, strengthening debugging and acceptance, and doing daily maintenance can we ensure the smooth assembly and long-term stable operation of the hook group.