PRODUCTS & CASES

3 Ton Overhead Crane Design

The design of a 3-ton overhead bridge crane usually requires the following technical parameters:

Lifting capacity: 0.5~10 tons (3 tons is a common lifting capacity, and the lifting capacity range of this type of crane is generally within this range)

Span: The distance from the center of the track to the center, usually between 3 meters and 16 meters, and some can reach 32 meters. The common range is 7.5 meters to 22.5 meters (depending on different structural designs and application scenarios).

Lifting height: the maximum height of the hook from the ground, generally 6-30 meters, can be customized according to the workshop height and usage requirements (for example, low factories can be adapted to lower specifications, and tall industrial sites support special heightened solutions).

Working level: For example, A3 and A4, with A3 being the most common. A3 is suitable for working scenarios with low frequency of use and relatively infrequent loads; A4 is suitable for working conditions with certain frequency of use and load requirements.

Power supply configuration: The standard power supply is 380V/50Hz/three-phase AC power. Customization is supported based on power supply standards in various regions around the world. Typical optional voltage specifications include 220V and 415V.

Control system options:

Ground-wired button control: adopts a direct operation mode, suitable for fixed working scenarios with stable working conditions and a limited control radius.

Wireless remote control device: Integrates advanced radio frequency technology to support barrier-free control within a range of 150 meters (breaking the limitations of physical cables and significantly improving the mobility of station operations).

Working environment parameters

Indoor: Generally, a standard design can meet the requirements. However, factors such as the size of the indoor space and the presence of obstacles need to be considered to influence the operation of the overhead crane.

Outdoor: We must consider protective measures like windproof, rainproof, and sunproof solutions—for example, installing windproof anchoring devices and rain covers. This ensures the 3-ton overhead crane operates safely and stably in adverse weather conditions.

Explosion-proof requirements: If used in chemical plants, refineries, or other environments with flammable and explosive media, we must configure electrical systems and structural designs that meet explosion-proof standards. These include, but are not limited to, explosion-proof motors and intrinsically safe control boxes, which help eliminate potential explosion risks caused by electrical sparks.

Anti-corrosion requirements: When used in environments with corrosive media, such as electroplating workshops and coastal areas, professional anti-corrosion processes should be implemented on the overhead crane's metal components and parts. This includes using corrosion-resistant alloy materials such as stainless steel/weathering steel, or enhancing equipment durability through surface treatment technologies such as hot-dip galvanizing and multi-layer heavy-duty anti-corrosion coatings.

Temperature requirements: In high-temperature environments, such as specific work areas in steel smelting and other industrial sites, we should prioritize the use of high-temperature-resistant special alloys and heat-resistant functional components. For the overhead crane's electrical control unit, we need to equip it with multi-layer composite thermal insulation protection. By implementing enhanced thermal management measures, we can effectively ensure the stable operation of the equipment under extreme heat radiation conditions and eliminate operational hazards caused by abnormal temperature rise.