Intelligent Logistics in Action | QGM Mother-Child Car System Powers Smart Brick Production

11-10-2025

In the era of intelligent manufacturing, automation has become the key to improving efficiency and reducing labor costs in the concrete block industry. As a leading solution provider in the field, QGM’s Mother-Child Car System plays a vital role in the material handling and product transfer process of modern brick production lines. With its high efficiency, precision, and stability, it has become an indispensable part of QGM’s intelligent brick factory solution.

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1. Intelligent Coordination for Efficient Production

The Mother-Child Car System consists of two coordinated vehicles: the mother car and the child car. The mother car travels along a fixed track between the curing chambers, transporting pallets of finished products. The child car moves flexibly between the production line and the curing area, automatically handling pallet pickup, delivery, and stacking.

Through wireless communication and central PLC control, the two vehicles work synchronously, achieving seamless connection across multiple stations. The system automatically identifies pallet codes, locates curing chambers, and completes precise docking — without manual intervention.

Compared with traditional forklift handling, QGM’s system offers higher automation, faster transfer speed, and greater operational safety, significantly reducing human error and material handling time.

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2. Technological Highlights

  • Smart Control System: Equipped with Siemens PLC and frequency conversion drives, the system monitors real-time operation and adjusts acceleration and deceleration automatically for smooth and stable movement.

  • High-Precision Navigation: Laser rangefinders and magnetic guidance ensure positioning accuracy within ±5 mm, guaranteeing every pickup and drop-off is precise.

  • Energy Efficiency: The electric drive system uses regenerative braking to recover energy during deceleration and empty returns, improving energy efficiency by up to 15%.

  • Comprehensive Safety Design: Multiple anti-collision, anti-tilt, and emergency braking functions ensure safe operation even in multi-vehicle collaborative environments.

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3. Flexible Integration Across Production Lines

The QGM Mother-Child Car System can be seamlessly integrated with various block machine and static press models, including QT, ZN, and HP series. Its modular structure allows for flexible customization of track length, travel distance, and pallet dimensions to suit different factory layouts and production capacities.

Whether used in new automated lines or as part of an upgrade for existing facilities, the system enables smooth, efficient, and precise material transfer, enhancing overall productivity and plant logistics.

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4. Supporting Green and Smart Factory Development

Aligned with China’s “Dual Carbon” strategy and the global push toward intelligent manufacturing, QGM continues to advance automation and digital transformation in the block industry. The Mother-Child Car System embodies this commitment — enabling unmanned operation, digital connectivity, and energy-efficient transport, thereby contributing to the creation of greener and smarter factories worldwide.

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Going forward, QGM will keep innovating in intelligent logistics and manufacturing technologies, providing global customers with high-performance, safe, and sustainable equipment solutions, and driving the block industry toward a smarter and more efficient future.

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