Low-Ceiling Lifting with a Brace-Free Jib Crane

FullSharp built a jib crane with a 5T rail arm rated 200 kg rigidly connected to a moment-resisting post, with no diagonal brace above the arm. This leaves the space over the arm free for the hook's full travel, so a plant with a low ceiling still gets a swinging lifting point with usable lift height.

A plant with a low ceiling still needs a lifting point that swings around the work area. A standard jib crane has a diagonal brace overhead, which eats into the available hook height — so the load barely rises before hitting the brace.

FullSharp built a jib crane with a 5T rail arm (200 kg rated load), rigidly connected to the post in a cantilever design. Without a diagonal brace, the space above the arm remains free for the hook's full travel. The post is calculated to withstand a greater bending moment to compensate for removing the brace.

5T Rail Jib Crane Without a Diagonal Brace

Jib crane with a 5T rail arm rigidly connected to the post, with no diagonal brace.

Equipment Installed

Moment-resisting post: engineered to carry the load that a diagonal brace would otherwise handle, with an anchor-bolted base.
5T rail arm: 5T steel rail rigidly connected to the post, 200 kg rated load.
Rotating joint: lets the arm swing through its working arc, turning smoothly and stopping at the exact angle.
Trolley on the arm: moves the hook in and out along the reach, running smoothly the full length of the arm.
Travel stops: limit the trolley and the swing angle, ensuring safety during quick operation.

Key Specifications

Rail code5T steel rail
Rated load200 kg
Structure typeCantilever, no diagonal brace
Installation photos2 photos

Benefits for the Plant

Extra lifting height

Removing the diagonal brace lets the hook run its full travel even under a low ceiling.

Clear overhead space

Nothing obstructs the structure above the arm, making it easier to see during operation.

Simple structure

Only the post and arm are needed, making installation fast and maintenance simple.

Actual Installation Photos

5T Rail Jib Crane Without a Diagonal Brace - photo 1

Click a photo to enlarge. 1-photo album taken on site.

Suitable Applications

Plants with low ceilings
Fixed machining and assembly stations
Equipment maintenance and repair areas
Locations needing lifting and swinging within a tight radius

Frequently asked questions

Why does a diagonal brace reduce lifting height?

A standard jib has a brace above the arm, which blocks hook travel. Under a low ceiling the load barely rises before it hits the brace.

How is a jib crane without a brace kept rigid?

The post is designed for a larger bending moment and the arm is rigidly connected, so the post carries the load the brace would otherwise take.

Where is a cantilever jib crane useful?

Plants with low ceilings and fixed machining or assembly stations that need a swinging lift point without losing hook height.

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Consultation for Your Plant

FullSharp measures the clear ceiling height, the required hook travel, and the floor for the post. Our engineers calculate the post for the actual bending moment, finalize the arm radius, then install, test-run the swing angle, and hand over the equipment.

5T Rail Cantilever Jib Crane Without a Diagonal Brace for Extra Hook Height Under Low Ceilings