Overhead Crane 10 Ton S19.5m H8.431m for Unequal Column Spacing

The 2 semi-gantry cranes (BMHO 5t-10m-3m) complement the main overhead crane for the following reasons:

• Unequal column spacing: The workshop has variable column spacing, which means certain areas cannot be efficiently reached by a single wide-span overhead crane
• Local lifting coverage near the column: The two semi-gantry cranes are installed approx. 4m on each side of the column, providing dedicated 5t lifting coverage in those specific areas
• Reduced travel time: For loads near the column, the semi-gantry cranes handle them directly without moving the main overhead crane across the full 19.5m span
• Multi-crane flexibility: The workshop can perform multiple lifting operations simultaneously — the main crane on one side, a semi-gantry on the other
• Lower capital cost than a second overhead crane: Semi-gantry cranes are more economical than installing a second full overhead crane system

This combined solution provides complete coverage of the workshop with a mix of wide-span overhead crane capability and localized semi-gantry handling.

Jointless conductor rail means the power supply system uses a continuous conductor rail (busbar) without joints along the runway. Both the crane travel and trolley travel use this system. This is different from C-profile festoon cable systems because:

For a workshop with unequal column spacing and continuous material handling requirements, the jointless conductor rail provides reliable, maintenance-free power supply for both crane travel and trolley travel — eliminating the C-profile cable and its associated maintenance.

Full VFD on the main overhead crane means all three motions (hoist, trolley, long travel) use variable frequency drive control. Benefits include:

• Smooth acceleration and deceleration across the 19.5m span — reduces shock loads and load sway
• Precise positioning — millimeter-level control for accurate load placement
• Energy savings — VFD matches motor speed to actual load, reducing power consumption
• Longer component life — less mechanical wear on gears, brakes, and wheels

Maintenance walkway benefits include:

• Safe inspection access — technicians can safely walk along the crane bridge to inspect the hoist, trolley, and electrical components
• Faster maintenance — reduces downtime by providing direct access to components
• Improved safety — eliminates the need for risky temporary access arrangements
• Long-term reliability — regular inspection prevents unexpected failures

Eight numbers on this combined lifting solution drawing must match your workshop, or the cranes will not fit or operate correctly:

If any of these eight differ from your workshop, tell Yuantai before ordering — each change affects price and lead time on the combined lifting solution.

In a workshop with unequal column spacing, the combined lifting solution works as follows:

• Main overhead crane (10t, 19.5m span): Runs along its own runway rails, covering the full 19.5m span of the main bay regardless of column spacing changes
• Semi-gantry cranes (2 × BMHO 5t-10m-3m): Installed approx. 4m on each side of the column, running on their own shorter runways and providing 5t localized lifting coverage
• Coordinate coverage: The main crane handles heavy loads across the wide bay; the semi-gantry cranes handle lighter loads near the column
• No interference: The main overhead crane and semi-gantry cranes operate on separate runways, so they do not interfere with each other
• Flexible operation: Each crane has its own control station, allowing independent or coordinated operation

This approach is more practical and economical than attempting to design one crane to handle the entire unequal-column-spacing workshop.

No — this combined lifting solution (main overhead crane + 2 semi-gantry cranes) is configured for indoor workshop use. All cranes run on elevated runway rails supported by the building structure. Outdoor use would require:

• Different crane types — gantry cranes with ground rails and A-frame legs are more suitable for outdoor use
• Weather protection — outdoor electrical enclosures (IP55+) and anti-corrosion treatment
• Different power supply — conductor rail may need weather protection; cable reel or festoon alternatives
• Wind load design — anti-wind devices and anchoring for outdoor wind exposure

For outdoor applications, see the MHO gantry crane range or contact Yuantai for a custom outdoor combined solution.

To avoid surprises at installation, these items are outside the combined lifting solution supply scope unless you specifically add them:

• Main overhead crane runway rails and rail fasteners
• Semi-gantry crane runway rails and rail fasteners
• Runway beams and building column reinforcement for both crane systems
• Building structural support for the wheel loads
• Site power supply up to the crane isolator (for all 3 cranes)
• Erection cranes and site lifting equipment
• Local electrical connection and permits
• Anti-collision system if cranes operate in adjacent areas

The combined lifting solution includes the cranes themselves (main overhead + 2 semi-gantry), their conductor rail power supply systems, and their control systems. The runway rails, runway beams, and building structural support are site-side scope. Yuantai can provide runway load drawings and positioning plans as optional items.

Send these twelve items and Yuantai will issue a free custom combined lifting solution CAD drawing, 3D model, and proposal within 24 hours:

1. Workshop column spacing layout (including unequal spacing details)
2. Workshop width and length
3. Required capacity in each area (main bay vs column areas)
4. Required lifting heights (main bay + semi-gantry areas)
5. Required span for the main overhead crane
6. Required span for the semi-gantry cranes
7. Semi-gantry crane positioning (distance from column)
8. Power supply (V / Hz / Ph)
9. Lifts per hour or hours per day (duty)
10. Building column and runway beam capacity
11. Longest load length and weight in each area
12. Control preference: pendant, wireless, cabin, or both

The more complete the list, the faster and more accurate the combined lifting solution drawing, 3D model, and quote.

This published combined lifting solution drawing and 3D rendering are a free technical reference — you may use them to plan your workshop and check fit. A project-specific combined lifting solution GA drawing and 3D model are also free for standard configurations. A design fee may apply only for complex workshop layouts, unequal column spacing engineering, or specialized customization. The combined lifting solution drawing remains the property of Yuantai Cranes: unauthorized copying, use, or manufacturing without written authorization is strictly prohibited.