ZTHB35 Spring Balancer

The ZTHB35 Spring Balancer is a heavy-duty ergonomic support device designed to suspend and counterbalance industrial tools weighing up to 3.5 kg. It provides smooth, stable tool movement, reducing operator fatigue and improving precision during continuous operations such as assembly, welding, and maintenance. Constructed with a robust cast-aluminum housing, high-tension coil spring, and integrated safety lock, the ZTHB35 delivers reliable performance, consistent balance, and long service life. Its enclosed design protects internal components from dust and debris, making it ideal for demanding manufacturing environments that require continuous tool use and operator comfort.

Key Features

• Load Capacity up to 3.5 kg – Supports pneumatic, hydraulic, or electric tools with consistent counterbalance.

• Adjustable Spring Tension – Fine adjustment ensures precise load matching for smooth, effortless vertical travel.

• Durable Cast-Aluminum Housing – Provides strength, impact resistance, and corrosion protection.

• Smooth Vertical Motion – Stable cable operation eliminates tool rebound and allows precise positioning.

• Built-in Safety Lock Mechanism – Prevents tool drop in case of spring or cable malfunction.

• High-Tensile Steel Cable – Braided stainless-steel wire delivers strength, flexibility, and long-term reliability.

• Sealed Spring Chamber – Protects the coil spring from dust and contamination for consistent tension.

• Corrosion-Resistant Finish – Powder-coated exterior ensures durability in harsh working environments.

• Swivel Top Hook Design – Simplifies installation and allows free rotation during operation.

• Low Maintenance Design – Pre-lubricated components minimize servicing requirements.

Applications

The ZTHB35 Spring Balancer is ideal for medium- to heavy-duty industrial tool handling, including:

• Automotive and truck assembly lines – supporting impact wrenches, torque tools, or grinders.

• Shipbuilding and aerospace facilities – counterbalancing riveting hammers, drills, and fastening tools.

• Welding and fabrication stations – suspending welders, torches, or grinders for smooth operation.

• Machinery and equipment maintenance – balancing tools during overhead or repetitive repair tasks.

• Heavy-duty assembly operations – enabling safe and ergonomic handling of powered tools.

Performance Advantages

• Ergonomic Operation – Reduces operator strain and enhances accuracy by eliminating tool weight resistance.

• Safety Protection – Integrated locking and overload system prevents sudden tool fall.

• Reliable and Consistent Performance – Maintains steady tension throughout the full cable stroke.

• Industrial Durability – Reinforced components ensure continuous operation under heavy load.

• Improved Productivity – Enables smoother tool movement and faster handling.

• Low Maintenance – Sealed, pre-lubricated spring design extends service intervals.

Technical Specifications

• Model: ZTHB35

• Load Capacity: 2.5 – 3.5 kg (adjustable range)

• Cable Travel: Approx. 1.3 m

• Housing Material: Cast aluminum alloy, corrosion-resistant coating

• Cable Material: Braided stainless-steel wire rope, wear-resistant

• Safety Mechanism: Internal ratchet lock and overload protection system

• Spring Type: High-tension coil spring, sealed and pre-lubricated

• Mounting Method: Swivel suspension hook or bracket mount

• Finish: Powder-coated industrial-grade surface

• Operating Temperature: 0 °C – +50 °C

• Maintenance: Minimal; periodic inspection of cable and tension system recommended

The ZTHB35 Spring Balancer offers a safe, stable, and durable solution for suspending heavy tools in industrial assembly and production environments. Its robust structure, adjustable tension, and integrated safety systems provide reliable operation, improved ergonomics, and consistent performance. Engineered for demanding applications, the ZTHB35 ensures smooth tool handling, enhanced safety, and long-term productivity—making it an essential component in any professional manufacturing or maintenance workspace.

Features

• Adopting an 8.0 mm inner diameter hose to provide enough air flow to the air tool and equipment.
• It achieves a neat and orderly production line for enhancing working efficiency.
• An anti-falling device is provided in case the spring breaks.
• The installation is fast and convenient with a 360-degree installation hook.
• Worm gear provides more precise force adjustment.