Yongmao STT139 tower crane is a flat-head tower crane with excellent performance. The following is an introduction from aspects such as basic parameters, product features, and application scenarios: Basic ParametersAmplitude: The maximum amplitude is 60m, enabling material lifting operations within a large range. Maximum lifting weight: The maximum lifting capacity is 6000kg, which can meet the lifting requirements of various building materials and components. End-of-arm lifting weight: At 60m at the end of the boom, the lifting weight is 1350kg, ensuring the lifting capacity at the distal end of the boom. Independent height: The independent height can reach up to 45.4m, enabling it to reach a relatively high operating height without relying on external support.Product FeaturesNovel design and reasonable structure: Adopting a novel design concept, the structural layout is carefully optimized to make the whole machine more stable and reliable during operation, effectively reducing vibration and sway, and improving the safety and accuracy of operations. High safety: On the one hand, the tie-rod-free design of flat-head tower cranes reduces the tower top height, reduces wind resistance and center of gravity height, and improves the service life and safety of the boom steel structure. On the other hand, in the design and manufacturing process, relevant safety standards are strictly followed, and complete safety devices such as lifting weight limiters, lifting height limiters, and amplitude limiters are equipped to ensure the safety of operators and equipment. High operating efficiency: The tie-rod-free design enables it to better adapt to the requirements of different working condition sites, and is particularly suitable for cross-operation of multiple tower cranes and tower crane assembly and disassembly under limited construction site conditions. Its small unit mass and low installation height can reduce the height difference between tower bodies and save space, thereby improving operating efficiency and shortening the construction period.
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