TONGLI yellow assisted lifting manipulator in a manufacturing workshop

CUSTOM HANDLINGSOLUTIONS THATKEEP YOURPRODUCTION MOVING.

At TONGLI, we design and manufacture handling manipulators, palletizing robots and automation equipment for factories, warehouses and production lines. Tailored to your load, materials and workspace, our solutions help reduce manual effort, improve handling efficiency and support dependable daily operation.

EXPLORE SOLUTIONS

Zero Gravity Hoist Lifting Arm

Overview

Zero-gravity hoist lifting arms (also known as balancing cranes) are cutting-edge solutions in the field of industrial ergonomics. Through a sophisticated pneumatic or servo control system, they counteract the weight of the workpiece, allowing operators to move hundreds of kilograms of weight with minimal force (typically less than 2 kg), achieving a “floating” handling experience.

Core Structure and Working Principle:

Articulated Folding Arms: Composed of two or more rotating arm sections, with a rotation angle typically up to 360°. This structure allows the robot to freely extend and retract within a horizontal range, easily navigating around columns or equipment obstacles.

Pneumatic Balancing Unit: Located at the end or root of the cantilever, providing lifting force via a steel cable.

Steel Cable Drive: Unlike hard-arm robots, it uses steel cables to suspend the workpiece, offering better flexibility and greater vertical travel.

Control System: Employs “load balancing” technology, allowing the workpiece to float in a weightless state, requiring only minimal force from the operator to lift or lower it.

Technical Specifications Overview

Parameter ItemsTypical Configuration / Specifications
Rated Load50kg – 300kg (affected by boom length)
Working Radius2,000mm – 4,500mm
Lifting HeightMaximum up to 2,000mm
Rotation AngleBoom 360° / Arm 360°
Power Source0.5 – 0.7MPa Clean Compressed Air
Installation MethodGround-mounted, Suspended, Rail-mounted

Core Product Advantages

High Spatial Flexibility

  • Obstacle Avoidance Ability: The folding arm structure allows it to penetrate deep into equipment or maneuver flexibly through dense production lines.
  • Coverage Radius: Typical operating radius is between 2m and 4m, with no blind spots in the center.

Superior User Experience

  • Flexible Connection: The “flexible” nature of the wire rope allows the workpiece to swing or fine-tune at a certain angle while suspended, facilitating precise positioning.
  • Extremely Lightweight: Compared to rigid arms, the articulated arm structure has lower rotational inertia, resulting in smoother start-up and stopping.

Extremely High Safety

  • Air Supply Interruption Protection: In the event of a sudden air supply interruption, the mechanical structure automatically locks the wire rope to prevent the workpiece from falling.
  • Misoperation Protection: Equipped with an “unloading protection” function to prevent the workpiece from being accidentally released before it hits the ground.

Non-standard Customized Handling and Palletizing Solutions

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We provide reliable, efficient and stable automation solutions for factories, warehouses and production lines across various industries.

With mature technology and strict quality control, we help customers improve productivity, reduce labor costs and realize intelligent manufacturing upgrades.

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TONGLI Automation Solutions

Choose the Right Solution for Your Application

From ergonomic lifting and vacuum handling to palletizing, machine tending and fully automated production lines, TONGLI provides reliable automation equipment for factories, warehouses and production environments.

Customized Automation for Your Workshop

Tell us your material, load weight, workspace and production requirements. Our team will recommend a suitable automation solution.

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Professional Handling Manipulators & Palletizing Robots By TONGLI