Overhead Crane

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Types of Overhead Crane

01/

Suspension Single Girder Overhead Crane
Suspension single girder overhead cranes are cranes that suspend and fix the beam on the building's running track (I-beam). It is the most widely used and largest type of lifting machinery.

02/

Explosion-proof Single Girder Overhead Crane
Explosion-proof single girder overhead crane, referred to as "explosion-proof crane", is a bridge crane with explosion-proof electric hoist as the lifting mechanism.

03/

Electric Hoist Single Girder Overhead Crane
Electric hoist single girder overhead crane usually adopts standard CD, MD electric hoist, chain hoist as lifting mechanism, electric hoist moves horizontally along the lower flange of the main beam I-beam, and the main beam is made of high-quality steel plates, such as C-shaped steel, I-beam, etc.

04/

European Standard Single Girder Overhead Crane
European standard single girder overhead crane adopts European design standards and is a new type of crane designed for low workshops and high lifting height requirements.

05/

Electric Hoist Double Girder Overhead Crane
Electric hoist double girder overhead crane, consists of box-type main beam, end beam, lifting trolley, running mechanism and electrical mechanism.

06/

Explosion-proof Double Girder Overhead Crane
Explosion-proof double girder overhead crane is a double-beam bridge crane with explosion-proof electric hoist as the lifting mechanism.

Parameter

Name	Single Girder	Double Girder
Rated Load(Ton)	1~32	1~500
Equipment Span(Meter)	1~40	1~50
Lifting Height (Meter)	1~30	1~50
Work Level	A3, M5,	A3, M5, M6, M7
Product Certification	ISO, CE	ISO, CE
Design Standard	GB3811	GB3811

Advantages of Overhead Crane

Increased productivity

Overhead cranes allow for faster and more efficient movement of heavy loads, reducing the time it takes to complete tasks. se globalization

Improved safety

Overhead cranes are designed to lift and move heavy loads, reducing the risk of injury to workers.

Versatility

Overhead cranes can be customized to meet the specific needs of your operation, including the weight capacity, speed, and lifting height.

Cost savings

Overhead cranes are a cost-effective solution for lifting and moving heavy loads. They require minimal manpower, reducing labor costs, and can also be used to optimize the use of space within your facility.

Application of Overhead Crane

Manufacturing
Overhead cranes efficiently move raw materials from storage to production lines, reducing manual labor and streamlining operations.

Warehousing and Distribution
Overhead cranes help streamline the process of moving bulky goods between different warehouse zones or stacking items in high-storage areas.

Automotive Industry
Overhead cranes assist in lifting and positioning heavy vehicle components such as engines, chassis, and frames, ensuring precise assembly while reducing strain on workers.

Construction and Engineering
Whether it’s steel beams, concrete blocks, or heavy equipment, overhead cranes can lift and transport materials across the site, reducing manual effort and improving job site efficiency.

Logistics and Shipping
Overhead cranes can quickly load and unload shipping containers, pallets, and other heavy goods, helping to expedite logistics operations and reduce turnaround times at ports or shipping facilities.

European Standard Single Girder Overhead Crane

General Requirements for Overhead Cranes

The rated load capacity of the crane should be plainly marked on each side of the bridge or jib. The load capacity should be clearly legible from ground level.

If the crane has more than one hoisting unit, the rated load capacity should be marked on each load block.

The rated working load capacity and manufacturer’s name should be forged or die stamped on a low stress and non-wearing area of each hook. Hooks without this information should be tagged “Do Not Use” and removed from service until the load rating can be determined.

Hoist hooks should not be cracked, stretched, bent, or twisted. Each hook should have a safety latch that automatically closes the throat of the hook. If the latch is bent, spring is broken, or otherwise damaged, the latch should be repaired before use.

Alloy chains and slings should be equipped with permanently affixed, legible and durable identification tags stating size, grade, rated capacity and reach.

Synthetic web slings should be marked or coded to show the rated capacities for each type of hitch and type of synthetic web material.

Cab-operated cranes should be equipped with a multipurpose fire extinguisher. Operators should be trained on the use of extinguishers before being assigned to the job.

Overhead Crane Customization Process

Consultation

When you start the conversation about a single- or multiple-crane project with our team, that’s when we start getting our hands dirty. We work with you to find your project’s exact specifications, so you get the right crane for the right application.

Engineering Design

Once you accept our proposal, then it’s off to a special discovery period with our engineers to uncover any information that might’ve been left out in our initial conversations. They’ll then take all they’ve learned and create the initial designs.

Review

When our engineers finish work on the first drafts of your designs, you’ll have the opportunity to review them and send us any feedback you might have. The dialogue will continue as we work to perfect the concepts and make sure everything is correct before turning them into detailed drawings for manufacturing.

Manufacturing

This is the stage where your project begins to take shape and become a physical reality. A skilled team of welders and machinists will start work on all major components of your crane while electricians are making panels, festoons and raceways. From there, assembly can officially begin.

Testing

During testing, temporary power is supplied to the crane and we test each of its motions to ensure the bridge, hoist, and trolley all function properly.

Installation

The final step in the process, we send our own installation crew to erect, wire, and start up every one of our cranes. That way, all our projects are turnkey and customized to your needs.

Packaging

Other Services

Warranty: The buyer's warranty is valid for 12 months from the date of delivery to the end of the period.

Return Policy: If the buyer returns the equipment due to quality problems, and the third-party testing agency issues the inspection quality report, the Seller is responsible for the cost of recovering the equipment, and refund the amount of the contract equipment within one week after determining the return process. The seller shall not be liable for all other consequential losses.

Shipping method: The most often shipment method is by sea,which is cheaper than by air. It depends on clients' decision. We will try our best to help you.

Payment Methods: We have many kinds of payment for your reference ,such as Western Union, Paypal, L/C, T/T, Credit Cards and so on.

Trade Terms: We have EXW, FOB, CIF, CFR for you to choose, and we can change according to your requirements.

Lead Time: The lead time for custom cranes average 6 to 14 weeks, depending on the specific project.

FAQ

Q: What are the OSHA requirements for overhead crane operators?

A: OSHA standards require that employers must ensure the individual assigned to operate a piece of equipment, such as but not limited to a crane, must be physically able to perform the assigned task without unscheduled interruption that could affect the safety of workers.

Q: What are the safety rules for overhead cranes?

A: Move crane controls smoothly. Follow signals only from one slinger in charge of the lift, except a stop signal. Use agreed upon signals. Make sure everyone is away from the load before hoisting. Make sure all slings, hooks, hardware, etc.

Q: What are the 3 basic components of an overhead crane?

A: Understanding the three fundamental components of an overhead crane—the bridge, hoist, and controls—lays the groundwork for comprehending the complex machinery involved in material handling operations. Each component plays a crucial role in ensuring the safe and efficient movement of heavy loads.

Q: How often do overhead cranes need to be load tested?

A: In the cases of uncertificated cranes which have been in use, at the time of initial certification and every 4 years thereafter. After important alterations and renewals and after repairs due to failure of, or damage to major components.

Q: What PPE is required for overhead crane?

A: Personal protective equipment (PPE) is another way you can stay safe during overhead crane operations. General PPE you are recommended to wear includes a hard hat, safety glasses, ear protection, work gloves, a high-visibility vest, and safety-toed boots.

Q: How often should overhead cranes be serviced?

A: The inspection period depends on the equipment's uses and type, but the Regulations recommend that this should be at least annually for overhead gantry cranes, wire rope hoists and chain hoists or a 6 month period is suggested in high usage areas.

Q: What must the operator do during the daily inspection of an overhead crane?

A: A daily inspection includes a check of limit switches by lifting and lowering the empty hook, driving the hoisting trolley toward the end of the bridge, and driving the crane towards each end of the runway. Running through these movements can alert you to issues before a load is even lifted.

Q: What must be displayed on any overhead crane?

A: The rated load of the crane shall be plainly marked on each side of the crane, and if the crane has more than one hoisting unit, each hoist shall have its rated load marked on it or its load block and this marking shall be clearly legible from the ground or floor.

Q: What is the standard load test for an overhead crane?

A: The test must be carried out when the wind speed is within the allowable working condition. The static load test is carried out 3 times with an overload of 125%, corresponding to a load of 6.25 tons. (The distance between the two trolleys when testing is not less than 6m).

Q: What is the difference between a overhead crane and other cranes?

A: An overhead crane, often referred to as a bridge crane is shaped like a moveable bridge whereas a gantry crane has an overhead bridge supported with it's own frame. Bridge cranes are attached to the interior structure of a building and are mounted onto the girders that support the roof and walls of the building.

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