Changzhou Hangtuo Mechanical Co., Ltd

With the increasing adoption of tracking systems in large-scale photovoltaic (PV) power plants, the demand for high-precision tracking, structural stability, and long-term reliability is growing. The rotary drive is a key component in single-axis and dual-axis trackers, enabling the safe rotation of the PV array. Rotary drives used in PV tracking systems need to withstand harsh environmental conditions and possess extremely high durability, corrosion resistance, water resistance, and torque capacity to ensure continuous and stable operation over a service life of up to 25 years. 1. Vertical (Elevation Angle) Rotation Achieves east-west rotation of the photovoltaic array Tracking Angle: ±60° or 360° 2. Horizontal (Azimuth Angle) Adjustment (Suitable for single-axis or dual-axis systems) Achieves north-south rotation of the photovoltaic array Tracking Angle: 360° Technical Requirements To withstand wind speeds of 25–35 m/s: Maintaining torque ≥ 45 kNm No backlash or reverse rotation under sudden gusts High Output Torque Large solar cell arrays generate significant inertia: Rated output torque ≥ 7,500 Nm Higher peak torque for start-up and emergency situations Harsh Environmental Tolerance IP66 protection rating, sandproof, dustproof, and rainproof Operating Temperature: –40°C to +80°C 25-year outdoor reliability Low-Power Drive Motor Compatible with ≤150W DC or AC motors Reduced system power consumption Easy integration with tracking control systems Slewing drive solution Rugged structural design Square tube split structure for easier installation Integrated worm gear and slewing bearing design Natural self-locking ensures high stability under wind loads High-strength materials Alloy steel slewing bearing with precision-machined worm gear Double sealing system for enhanced protection Hot-dip galvanizing or powder coating for corrosion protection Motor and control compatibility Supports DC/AC motors Encoder feedback for closed-loop control (optional) High positioning accuracy and smooth movement Global compliance CE and ISO9001 certified Suitable for global EPC and utility-scale project procurement