Bridge Crane or Cantilever Crane for Business?

Bridge Cranes Introduction

Overhead crane, also called bridge crane and overhead traveling crane, which is common to see it in factory, warehouse or some crowded workshops. It is used to move heavy objects horizontally and vertically. Bridge crane components are on top of a trolley system. This enables them to move around wherever they are to provide more utility. This is possible because they have two overhead runways built into the support. Bridge cranes really do the heavy lifting. Some get rated up to one hundred tons

Advantages of Bridge Cranes

Limitations of Bridge Cranes---Bridge cranes offer many benefits, but they are not suitable for every situation. Floor space: Some bridge cranes mount directly to a building’s existing support structure. However, if it building can’t support the weight of the crane and its load, multiple support columns are required, which can take up valuable floorspace.

Cantilever crane introduction

A cantilever crane is a permanently installed crane over a specific work area. It looks like an upside-down L, with the arm or boom leaning over a workstation. A wall-hung cantilever crane can only move 180° as the boom rotates, but if it is a mast-type cantilever crane, it will swing completely around, often moving items to other workstations.

Cantilever cranes are very easy to install and are good for the precision placement of loads. They use roller bearings in the overhead track to provide very smooth operation and they will last for a long time with minimal moving parts.

Cantilever Cranes Designs

Cantilever cranes feature the following components and specs:

1. The Reach: It is a horizontal beam that travels back and forth on the trolley. It is also known as the boom. On freestanding and mast cantilever crane designs, the boom can achieve a rotation of up to 360 degrees. On the other hand, on a wall or column-mounted crane, the amount of rotation produce between 180 to 200 degrees of rotation.
2. Mast: Also known as the pillar, this a vertical beam whose role is to provide support for the boom on systems that are either mast or freestanding.
3. Hoist: This a movable part whose role is to lift, position and lower the loads.
4. Trolley: The trolley carries the hoist, wires, wire rope, and chains as well as the hook on the boom. The movement of the trolley can either be manual, mechanized or pneumatic.
5. Electric Collector Rings: Also known as pneumatic airlines, these parts are added on either the top or the bottom of the mast. The role of this part is to provide rotation assistance. It also allows for a continuous 360-degree rotation of the boom.
6. Control Buttons: Motorized or air-powered cantilever systems use a push-button control system. The button controllers help to control the rotation of the boom and the motion of the trolley. This controller also controls the lifting and lowering movements of the hoist. The hoist and the trolleys also have multi-speed control buttons.
7. Hook Height: refers to how high or low the lift can go. The lower the overhead obstruction means the higher the hook can go.
8. The Rotation Stop: This is the element of the crane that limits its motion before it can collide with objects that are nearby.

Which crane system is best for you?

As mentioned above, if you require a permanently installed crane for regular factory or warehouse lifting operations, then installing an overhead crane is the best option. If, on the other hand, you require a more flexible lifting device that can be quickly deployed, easily transported around a worksite or to different sites and is suitable for a range of applications then a gantry crane is an excellent choice.

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