For many businesses, overhead cranes are an essential part of daily operations. Whether you’re lifting steel fabrications, machinery, tools, heavy materials or industrial equipment, a crane helps improve productivity, safety, and efficiency. If unexpectedly the power to your operations becomes faulty or goes out, you may find yourself asking some of these questions below:
What happens if our power goes out?
If your crane relies on electrical power for lifting and travel motions, a power failure can bring operations to a standstill. Fortunately, there are solutions available, including manually operated cranes and manual chain control systems that allow lifting equipment to continue functioning when electrical power is unavailable.
In these situations, businesses may experience delays in production and unexpected downtime. To reduce operational disruption, many organisations choose to install cranes that incorporate manual backup operation or use manual chain hoists as part of their lifting equipment strategy.
Can Overhead Cranes Operate Without Electricity?
Yes. While many modern overhead cranes are electrically powered, cranes can also be operated manually.
A manual overhead crane uses hand-operated chain systems to perform lifting and travelling movements. Instead of pressing buttons on a pendant control or wireless remote control, the operator pulls chains to move the load.
Manual cranes provide a simple and reliable lifting solution where electrical power is unavailable or unnecessary.
What Is a Manual Chain Hoist Crane?
A manual chain hoist crane uses a hand chain to raise and lower loads.
The operator pulls the chain, which drives a geared lifting mechanism inside the hoist. This allows heavy loads to be lifted with relatively little effort while maintaining excellent control. Manual chain hoists are commonly fitted to overhead cranes, gantry cranes, and jib cranes. Despite being manually operated, these systems can safely handle substantial lifting capacities when correctly specified.
How Does a Manual Overhead Crane Move Left and Right?
In addition to lifting and lowering loads, a manual crane can also move horizontally.
A manually operated trolley travels along the crane beam using a second chain. By pulling the second chain, the operator can move the load along the span of the crane without the need for electrical power.
Depending on the crane design, manual operation can include Manual hoist travel which moves the load left and right along the beam, manual bridge travel which moves the entire crane along the runway, and manual lifting which raises and lowers the load using a chain hoist.
Do Harold Potter Cranes Include Manual Operation?
At Harold Potter, we design and manufacture overhead cranes, gantry cranes, goliath, and semi-goliath cranes and lifting equipment to suit the exact requirements of each customer.
Most modern crane installations utilise electric hoists, and remote controls to maximise efficiency. However, we can also supply fully manual cranes or cranes with backup manual operation. Manual chain operation can provide an additional layer of flexibility and resilience for your lifting operation, in case of any unwanted disruptions.
Our team will assess factors such as lifting capacity, duty cycle, frequency of use, working environment and operational requirements before recommending the most suitable crane system.
Are Manual Cranes Still Used Today?
Absolutely.
Although electric overhead cranes are the preferred choice for many industrial environments, manual cranes remain widely used across the UK. Manual crane systems are particularly suitable when power may be inconsistent or not available, crane budgets are lower, and simplicity and reliability are prioritised.
For lighter-duty applications, a manual crane can provide an effective and economical lifting solution.
Frequently Asked Questions
Can a crane work without electricity?
Yes. Manual cranes and manual chain hoists are specifically designed to operate without electrical power.
What is a manual overhead crane?
A manual overhead crane is a crane that uses hand-operated chain mechanisms to lift, lower and move loads rather than electric motors.
What is a manual chain hoist?
A manual chain hoist is a lifting device that uses a hand chain and gearing system to raise and lower loads safely.
Are manual cranes safe?
Yes absolutely. When correctly specified, installed, maintained and operated, manual cranes provide a safe and reliable lifting solution.
Should I choose a manual or electric crane?
This depends on your lifting requirements. Electric cranes are generally best for frequent lifting and higher productivity, while manual cranes can be ideal for lighter-duty applications, remote locations or as a backup lifting solution.
Contact Us
Whether you require a fully powered overhead crane, a manual chain-operated crane, or a bespoke lifting solution that combines both, Harold Potter can help.
With decades of experience designing, manufacturing, installing and maintaining cranes throughout the UK, we can recommend the most suitable lifting equipment for your operation.
Contact our team today to discuss your requirements and find the right crane solution for your business.