Sany Boom Bracket

Sany Parts engineering delivers critical structural support for heavy lifting machinery. The Sany Boom Bracket is a precision-engineered mounting assembly designed for Sany truck cranes, excavators, and construction equipment. This comprehensive Sany Boom Bracket includes a high-strength bracket, auxiliary hook drum, multiple washers (A210401000001, A210405000011, A210401000002, A210405000001, A210401000004, A210405000003), a plate, bolts (A210111000028, A210111000039, A210111000112), and a nut (A210307000017). Every component of the Sany Boom Bracket is engineered to absorb dynamic loads and maintain precise boom alignment during lifting operations. Upgrading to the genuine Sany Boom Bracket transforms your equipment’s safety and lifting performance.

The Sany Boom Bracket is a factory-engineered mounting assembly serving as the primary structural support interface for Sany truck crane boom systems, excavator arms, and heavy-duty lifting equipment. This robust assembly is centered on a high-strength bracket (10131160) fabricated from heavy-gauge steel that withstands the immense dynamic loads encountered during lifting operations[reference:0]. The bracket provides a secure mounting point that maintains proper boom geometry and alignment under full load conditions, preventing structural deflection that could compromise lifting accuracy or operator safety.

The Sany Boom Bracket incorporates a precision auxiliary hook drum (10917043) that facilitates controlled spooling and deployment of auxiliary hoist cables[reference:1]. The integrated drum design allows for smooth cable payout and retrieval during secondary lifting operations, enhancing the versatility of the boom system. This auxiliary hoist functionality is critical for specialized lifting tasks such as material handling, equipment positioning, and rescue operations where precise cable control is required. The drum assembly rotates on low-friction bearings that remain sealed against contamination ingress.

The fastening system of the Sany Boom Bracket includes a comprehensive suite of high-strength fasteners engineered for vibration resistance. Multiple washer types are employed throughout the assembly: A210401000001, A210405000011, A210401000002, A210405000001, A210401000004, and A210405000003 distribute clamping loads across bolted connections and prevent stress concentration[reference:2]. Three bolt types—A210111000028, A210111000039, and A210111000112—secure the bracket to both the chassis frame and the boom structure. A nut (A210307000017) locks connections against loosening under continuous vibration. A reinforcement plate (A820601040311) adds structural rigidity to the mounting interface, distributing loads from the boom pivot point across a wider area of the chassis[reference:3].

The Sany Boom Bracket is typically mounted at the base of the boom pivot point, providing the critical connection between the boom structure and the rotating superstructure. During crane operation, the boom bracket transfers the combined forces of the lifted load, boom weight, and dynamic shock loading into the chassis structure. The bracket must accommodate angular movement of up to ±80° as the boom is raised, lowered, and articulated. The pivot bore incorporates hardened steel bushings that resist wear and maintain precise alignment across thousands of lift cycles. All fasteners in the Sany Boom Bracket meet or exceed property class 10.9 specifications, with specialized thread-locking features that resist loosening under the high-frequency vibration generated during transport over rough terrain.

Every element of this assembly demonstrates Sany engineering for reliability and durability in demanding working conditions. The integration of these thirteen components—bracket, auxiliary hook drum, six washers, plate, three bolts, and nut—creates a comprehensive boom mounting solution that enhances both safety and lifting performance. The superior construction quality reflects Sany’s commitment to excellence in heavy equipment structural components. All components are traceable through the genuine Sany parts network spanning over 120 countries, backed by a comprehensive warranty. The modular design of the Sany Boom Bracket allows independent replacement of individual components, reducing downtime and repair costs for fleet operators and service centers.

Daily Visual Inspection Before Each Shift: Before operating the equipment, perform a complete visual inspection of the Sany Boom Bracket. Examine the bracket (10131160) for any visible cracks, deformation, or signs of fatigue, particularly around the pivot bore and mounting flanges. Check the auxiliary hook drum (10917043) for any damage to the cable guide surfaces or drum flanges. Inspect the reinforcement plate (A820601040311) for any bending or cracking. Verify that all six washer types and the nut are present and properly seated. Look for rust or corrosion around bolt heads and mating surfaces, especially if the equipment operates in humid or coastal environments. Document any visible damage in the equipment maintenance log before further operation.

Auxiliary Hook Drum and Cable Inspection: Every 250 operating hours, inspect the auxiliary hook drum (10917043) for signs of wear on the cable guide surfaces. Check the drum rotation by hand; it should turn smoothly without grinding or stiffness. Inspect the auxiliary hoist cable for fraying, kinking, or broken wires. If the drum shows uneven cable spooling, it may indicate misalignment or bearing wear requiring disassembly. For the bracket pivot bore, measure bushing wear using a dial indicator; replace bushings when internal diameter exceeds the wear limit specified in the Sany service manual (typically 0.5 mm for standard pivot bushings). This inspection prevents unexpected hoist failures during critical lifting operations[reference:7].

Fastener Torque Verification Every 500 Hours: Using a calibrated torque wrench, verify the torque of all bolts on the Sany Boom Bracket (A210111000028, A210111000039, A210111000112) to Sany specifications. For M6 bolts, reference tightening torque is 9‑12 N·m; for M8 bolts, torque is 16‑20 N·m[reference:8]. Tighten the nut (A210307000017) to the appropriate value based on its thread size. Any loose fastener must be re‑tightened, and any washer showing deformation or corrosion (from any of the six types) must be replaced before returning the machine to service. After retorquing, mark each fastener with a torque stripe to indicate completed verification. Proper torque prevents the entire bracket from becoming misaligned under load.

Annual Full Disassembly and Comprehensive Inspection: Every 2,000 operating hours, schedule a comprehensive structural integrity inspection of the Sany Boom Bracket. Remove the bracket from the equipment and disassemble all thirteen components. Visually inspect the bracket using magnetic particle or dye penetrant testing to detect any surface or subsurface cracks, particularly around the pivot bore and mounting flange weldments[reference:9]. Check the auxiliary hook drum for internal bearing wear. Replace all six washers as a preventive measure. Clean all components thoroughly and remove any corrosion. Apply fresh grease to the pivot bore before reassembly. Following this annual inspection schedule extends the service life of the Sany Boom Bracket beyond 15,000 operating hours while ensuring safe boom operation.

Documentation and Preventative Replacement: Maintain a detailed service log for each Sany Boom Bracket in your fleet. Record operating hours, inspection dates, torque verification results, and any components replaced. The PartsCode table enables precise reordering of any component. Replace the nut (A210307000017) each time the bracket assembly is removed for major service, as nut locking features are single-use only. When replacing the bracket due to fatigue or impact damage, always replace the associated bolts and washers as a set. A well-documented maintenance history helps predict service life and reduces unplanned downtime. Always use genuine Sany parts for replacements to maintain warranty coverage and ensure component compatibility. Following this documentation protocol protects both operator safety and equipment resale value.

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