From shipyard to lighthouse factory: How Qianhao Dianyong magnetic lifting tools achieve the "zero leakage suction" miracle with dual patent technology
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2025.07.10
Qianhao Magnetic Electric's strength in the field of electro-permanent magnetic lifting devices can be fully verified through the following three core cases:
I. Large Shipyard Bidding Case: Advantages of Mechanical Design
In a tender for a 30-ton electro-permanent magnetic lifting device from a large shipyard, Qianhao and its competitors each provided three sets of equipment. During the on-site acceptance, the competitor's equipment experienced severe deformation of the beams during lifting, while Qianhao's equipment completed the handling stably. This is due to:
1. Rigorous mechanical verification The beam structure has been optimized through repeated mechanical experiment data, using high-strength alloy materials and topology optimization design;
2. Dynamic load simulation Through finite element analysis (FEA), the stress distribution during the lifting of a 30-ton steel plate is simulated to ensure that the structural deformation is controlled within 0.5mm;
3. Patented reinforcement technology Using a "工"-shaped beam and honeycomb reinforcing rib composite structure (Patent No.: CN201921234567.8), the bending modulus is increased by 40%.
II. Sany Group Laser Cutting Innovation: Revolutionary Breakthrough in Magnetic Circuit Design
In the Sany Ningxiang Lighthouse Factory project, Qianhao's full-coverage electro-permanent magnetic cluster array technology:
1. Multiple magnetic circuit design Through a 16×12 matrix-type magnetic pole arrangement, independent controllable magnetic force units are formed to achieve synchronous adsorption of cut parts and scraps;
2. Patented anti-leakage suction structure (CN213475134U): Each magnetic pole is equipped with an independent sensor to dynamically adjust the magnetic force intensity, ensuring that parts with a minimum size of 20mm×30mm are not missed;
3. Fast response capability On the third day of the Lunar New Year, commissioning was carried out, and equipment installation and program calibration were completed within 48 hours, increasing cutting efficiency by 300%.
III. Steel Strip Coil Lifting Technology Barrier: The Ultimate Pursuit of Magnetic Permeability
For 35-ton steel strip coil horizontal loading and unloading scenarios:
1. 3D magnetic circuit reconstruction Using a spiral magnetic pole layout, the magnetic lines penetrate the radial thickness of the steel coil, achieving a magnetic induction intensity of 0.8T at the core position (competitors only 0.3T);
2. Dynamic magnetic permeability control Through electromagnetic induction compensation technology, the influence of air gaps between steel coil layers is eliminated, and the adsorption force uniformity reaches 98%;
3. Safety redundancy design Equipped with a dual-loop magnetic holding system, even if a single circuit is powered off, 80% of the rated suction force can still be maintained.
These cases fully demonstrate that Qianhao Magnetic Electric has built up in the field of electro-permanent magnetic lifting devices Materials science-magnetic circuit design-intelligent control-fast service A four-in-one technological moat, especially in the three directions of ultra-heavy load, precision adsorption, and non-standard scenarios, forming a disruptive advantage.
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