Top Running Semi-Freestanding Bridge Crane Runway, CraneWerks

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SKU:: RQ-CRAS-TRSFBCR

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Top Running Crane Runway systems are the workhorses of the overhead crane world. They consistently, reliably handle heavy loads, day-in-and-day-out. The Top Running Runway design affords maximum hook height. Because of their brawny nature – and the heavy loads they carry (10 tons+) – Top Running Crane Runway systems are either Freestanding, Semi Freestanding or Header-Braced. When a new or existing building has enough reserve capacity to resist the longitudinal (along the length of the crane runway) and lateral (across the width of the runway) forces, CraneWerks can attach the columns and runways to these buildings, reducing the amount of steel required to produce an overhead crane system.

Capacities: up to 50 tons
Bridge Span Lengths, overall: unlimited
Runway Spans: unlimited
Height — Floor-to-Trolley Clevis: customizable

Features:

Capacities vary from 1 to 50 ton
Available in unlimited lengths
Columns fasten directly in to a 6 inch concrete floor or adequately sized foundation
Push, motor driven, and hand geared bridge cranes available
Custom engineered to meet your building specifications
Ships complete with:
- Runway electrification
- Assembly manual
- Hardware
- Anchor bolts (if required)
Comprehensive approval drawings supplied in Auto CAD format
AISC specified runway systems
Custom explosion proof and food grade systems are offered
Licensed engineers review all system designs

Design Details

When a new or existing building has enough reserve capacity to resist the longitudinal (along the length of the crane runway) and lateral (across the width of the runway) forces, CraneWerks can attach the columns and runways to these buildings, reducing the amount of steel required to produce an overhead crane system. These systems are good where the requirement is for minimum floor obstructions and where maximum headroom (hook height) is required. Engineering services are available through CraneWerks to help you determine if your building has the required strength to utilize a money saving semi-freestanding crane runway system.

A main component of a semi-freestanding overhead traveling crane system is a top running single or double girder bridge crane designed with the bridge on the top of the runway. The crane runway is positioned on self-supporting columns.

Cranes Sharing the Same Runway

For greatest use and versatility of a work area and to safely manipulate heavy loads of the same or different capacities on the same runway you can use two or more overhead cranes of different capacities and share the same runway. As an example a 10 Ton runway system can be used to support two 5-Ton cranes with no restrictions to the distance between the cranes.

A 5 Ton crane runway could just as easily be used to lift 10 Tons as long as it is equipped with two 5 Ton cranes and they are separated by enough distance thorough mechanical separation (buffers) or electronically with distance sensing devices to keep the cranes separated.

Other options are available when an application requires load monitoring to protect runways from overload but when versatility of the system is needed including: Load limiting switches, temporary end stops and bridge travel limit switches. Load scaling for monitoring and limiting combined loads form overloading a runway system are one of the modern options that are available today.

Bridge Cranes, Overhead Cranes, Overhead Traveling Cranes, Crane Runways

CraneWerks semi-freestanding top running overhead crane structures are compatible with push/pull, hand geared, and motorized single girder bridge cranes as well as double girder cranes.