2 Ton Underhung Bridge Crane | Ceiling Mounted Low Headroom Crane


Short Video Description

This video shows a 2 ton underhung bridge crane designed for a low headroom workshop with a ceiling mounted single girder configuration. The bridge crane travels underneath the runway structure, making efficient use of the available workshop height and floor space.

The 2 ton ceiling mounted overhead crane, also known as a 2 ton suspension crane, under running bridge crane or underslung overhead crane, is suitable for workshops where conventional floor-supported runway columns are not preferred or where available headroom is limited.

The 2 ton single girder underhung crane can be supported from the building roof structure, runway beams or engineered suspension points. The bridge end trucks travel along the lower flange of the runway beam, while the electric hoist moves along the crane girder to lift and position the load.

For a 2 ton low headroom overhead crane, the hoist, bridge girder, end carriages, runway beam and suspension structure should be designed as one system. The actual hook height depends on the building height, runway elevation, girder depth, hoist dimensions and required safety clearance.

The main technical parameters include 2 ton lifting capacity, crane span, lifting height, runway length, available headroom, runway beam size, duty class, hoisting speed, travelling speed and power supply. Yuantai engineers review these parameters together before confirming the final crane configuration.

 2 ton ceiling mounted single girder underhung bridge crane for low headroom workshop

Main Technical Specifications

Item Technical Specification
Crane type 2 Ton Single Girder Underhung Bridge Crane / Ceiling Mounted Overhead Crane
Rated capacity 2 ton
Crane arrangement Underhung / Under Running / Underslung / Suspension Crane
Mounting method Ceiling Mounted / Suspended from Runway Structure
Bridge girder Single welded girder or engineered I beam girder according to span and wheel load
Runway I beam, wide flange beam or engineered runway rail system
Hoist type Electric wire rope hoist / Electric chain hoist
Hoist arrangement Underhung electric hoist trolley travelling below the bridge girder
Span 5 – 20 m, customized according to workshop layout
Lifting height 3 – 12 m, customized according to required hook height
Runway length 10 – 100 m+, customized according to workshop layout
Headroom Low headroom configuration designed according to building height, runway elevation and required hook clearance
Hoisting speed 2 – 8 m/min, single speed, two speed or VFD
Crane travelling speed 10 – 30 m/min, VFD available
Duty class ISO A3 – A5 / FEM 1Am – 2m, selected according to working frequency
Control Pendant Control / Radio Remote Control
Power supply 380V / 50Hz / 3Ph standard; 400V, 415V, 440V, 460V and 60Hz available
Safety devices Overload limiter, upper and lower lifting limit switches, bridge travel limit switches, emergency stop and buffers
Working temperature Typically -20°C to +40°C, customized for special environments
Applications Low headroom workshops, machinery plants, warehouses, assembly areas, maintenance workshops and production lines
Building structure Existing roof beams, steel structure or dedicated runway supports subject to structural calculation
Yuantai Crane engineering experience Yuantai engineers check the bridge girder, end carriages, wheels, hoist, runway beam, suspension points, wheel loads and building structure as one complete underhung crane system.

What Is a 2 Ton Underhung Bridge Crane?

A 2 ton underhung bridge crane is a single girder overhead travelling crane with a rated lifting capacity of 2 tons. Unlike a conventional top-running crane, the bridge travels underneath the runway structure.

The end carriages are supported by the lower flange of the runway beam, allowing the bridge to travel along the workshop. This under-running arrangement can make good use of existing ceiling structures and can reduce the need for floor-level runway columns.

For a 2 ton suspension crane, the supporting roof or steel structure must be checked to confirm that it can safely carry the crane dead weight, lifted load and dynamic wheel reactions.

Why Use a 2 Ton Ceiling Mounted Overhead Crane?

A 2 ton ceiling mounted overhead crane can be a useful solution when the workshop has limited floor space or when installing new floor-supported runway columns would interfere with production.

  • Uses the upper building or runway structure for crane support
  • Reduces floor-level obstructions compared with column-supported runways
  • Suitable for light and medium indoor material handling
  • Can be designed for low headroom workshops
  • Provides flexible hook coverage across the workshop bay
  • Suitable for machinery assembly and maintenance applications

2 Ton Underhung Crane for Low Headroom Workshop

The main advantage of a 2 ton low headroom underhung crane is the ability to use the vertical space more efficiently. The runway and bridge arrangement can be positioned according to the existing building structure and required hook height.

For workshops with limited ceiling clearance, the engineering team needs to consider the runway elevation, girder depth, hoist dimensions, hook height and safety clearance together.

A low headroom design should not simply reduce the girder or hoist size. The complete crane geometry must still satisfy the required structural strength, stability and operating clearance.

2 Ton Underhung Bridge Crane vs Traditional Top Running Crane

Item 2 Ton Underhung Bridge Crane Traditional Top Running Crane
Bridge position Travels underneath the runway beam Travels on top of runway rails
Support Ceiling or suspended runway structure Runway columns or building-supported runway
Floor obstruction Can reduce floor-level columns May require runway columns depending on building design
Typical application Light and medium duty indoor lifting General industrial material handling
Low headroom Good option when the under-running geometry is suitable Depends on bridge and hoist configuration
Building requirement Requires adequate structural capacity for suspended loads Depends on runway support arrangement

2 Ton I Beam Underhung Crane Design

A 2 ton I beam underhung crane can use an I beam or suitable structural beam as the runway member. The crane end trucks travel along the lower flange of the beam.

The correct I beam size depends on more than the 2 ton rated capacity. The engineering calculation should consider the crane span, wheel load, trolley weight, beam deflection, dynamic loading and support spacing.

Yuantai engineers can evaluate the existing I beam or recommend an engineered runway beam when a new ceiling mounted 2 ton overhead crane is required.

Where Is a 2 Ton Ceiling Mounted Crane Used?

The 2 ton underhung overhead crane is suitable for many indoor applications, including:

  • Machinery manufacturing workshops
  • Equipment assembly areas
  • Maintenance and repair workshops
  • Automotive component workshops
  • Production lines
  • Warehouses and storage areas
  • Machine tool loading and unloading
  • Parts handling and workstation lifting

How Is a 2 Ton Underhung Crane Mounted to the Ceiling?

A 2 ton ceiling mounted underhung crane can be supported from existing steel roof beams, runway beams or dedicated suspension structures. The exact connection depends on the building construction.

The supporting structure must be checked before installation. The calculation should consider the crane self-weight, 2 ton lifted load, wheel reactions, dynamic effects and suspension point loads.

If the existing roof structure is not strong enough, additional steel support beams or a dedicated runway structure may be required. Yuantai engineers can design the crane and supporting structure according to the available workshop conditions.

2 Ton Underhung Bridge Crane Manufacturer & Supplier

Yuantai Crane provides customized 2 ton underhung bridge cranes, ceiling mounted overhead cranes, single girder suspension cranes and under-running bridge cranes for indoor material handling.

The crane can be configured with an electric chain hoist or electric wire rope hoist according to lifting height, working frequency, available headroom and application requirements.

Instead of selecting a standard crane only from the lifting capacity, Yuantai engineers evaluate the span, hook height, runway beam, wheel load, building structure, duty class and available headroom before confirming the final design.

FAQ: 2 Ton Underhung Bridge Crane for Low Headroom Workshop

Common questions about 2 ton ceiling mounted overhead cranes, single girder underhung bridge cranes, suspension cranes and low headroom crane systems.

1. What is a 2 ton underhung bridge crane?

A 2 ton underhung bridge crane is a single girder overhead crane with a 2 ton lifting capacity. Its bridge travels underneath the runway beam rather than on top of the runway.

It is commonly used for indoor material handling in workshops, warehouses, machinery plants and other facilities where floor space or headroom is limited.

2. Is a 2 ton underhung crane suitable for a low headroom workshop?

Yes. A 2 ton underhung crane can be a good solution for a low headroom workshop when the runway, bridge and hoist can be arranged to provide the required hook height.

The final design should consider the building height, runway elevation, girder depth, hoist dimensions and required safety clearance together.

3. Can a 2 ton underhung crane be ceiling mounted?

Yes. A 2 ton ceiling mounted underhung crane can be suspended from a suitable roof structure, runway beam or dedicated support system.

However, the existing building structure must be checked to verify that it can safely support the crane self-weight, lifted load and dynamic wheel reactions.

4. What is the difference between an underhung crane and a suspension crane?

Underhung crane describes a crane whose bridge travels below the runway structure. Suspension crane emphasizes that the runway or crane system is suspended from an overhead building structure.

In many applications, the two terms describe closely related crane configurations. The actual engineering arrangement depends on the building and runway design.

5. Can an I beam support a 2 ton underhung bridge crane?

An I beam can be used for a 2 ton underhung crane when its section, span, wheel load and deflection meet the engineering requirements.

Yuantai engineers do not select the I beam based only on the 2 ton lifting capacity. The crane wheel loads, trolley weight, span and support spacing are also considered.

6. What information is needed for a 2 ton underhung crane quotation?

For a 2 ton underhung bridge crane quotation, provide the lifting capacity, span, lifting height, runway length, building height, available headroom, existing beam dimensions, working frequency and power supply.

Photos or drawings of the workshop roof structure are also useful for checking the proposed ceiling mounted crane arrangement.

7. What experience does Yuantai Crane have with 2 ton underhung cranes?

Yuantai Crane has engineering and manufacturing experience with single girder underhung bridge cranes, suspension cranes, I beam overhead cranes, low headroom cranes and ceiling mounted overhead crane systems.

For a 2 ton project, Yuantai engineers check the bridge girder, end carriages, wheels, electric hoist, runway beam, suspension points, wheel loads and building structure as one complete crane system.

Need a 2 Ton Underhung Bridge Crane for a Low Headroom Workshop?

Send us your 2 ton lifting capacity, span, lifting height, runway length, building height, available headroom, existing I beam dimensions and workshop layout.

Yuantai Crane can engineer a 2 ton single girder underhung bridge crane, ceiling mounted overhead crane or suspension crane with an economical and compact configuration for low headroom indoor material handling.

Article by Bella ,who has been in the hoist and crane field since 2016. Bella provides overhead crane & gantry crane consultation services for clients who need a customized overhead travelling crane solution.Contact her to get free consultation.


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  • Crane type:_____ . (e.g., overhead crane, gantry crane, jib crane)
  • Max weight to lift:_____ tons. (e.g., 2t, 5t, 10t, 20t, 50t)
  • Lifting height:_____ m. (How high does the hook need to reach?
  • Workshop width (span):_____ m . (Distance between the two crane rails)
  • Travel distance:_____ m . (How long does the crane need to move along the runway?)
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  • Power supply:_____. (Local voltage & frequency – e.g., 380V, 50Hz, 3-phase)
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