20t AQ-QCL Electromagnetic Crane

20 Ton Overhead Crane

20 ton overhead crane, a kind of heavy duty crane, is mainly used for lifting and transporting work in steel, metallurgy and building material industry. AIMIX Group, one of best lifting crane suppliers, provides various types of cranes with safety protection devices, especially for heavy duty cranes. Safety protection devices include  limiting stopper, crane buffer, anti-collision device, anti-deflection device, overload limiter.

20t AQ-LH Double Girder Lifting Crane
20t AQ-LH Double Girder Lifting Crane
Lifting Capacity: 20t
Span Length: 10.5~31.5m
Lifting Height: 6~18m
Working Class: A4
Ambient Temperature: -20~40℃

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AQ-QC 20T Electromagnetic Bridge Crane
AQ-QC 20T Electromagnetic Bridge Crane
Lifting Capacity: 20t
Span Length: 10.5~31.5m
Lifting Height: 6~80m
Lifting Speed: 7.8-15.5m/min
Crane Speed: 42-112m/min
Working Class: A6

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Price of 20t overhead cranes

Many customers want to know the price of 20 ton overhead cranes.But the answer is not obvious. Because the bridge crane price is not stable, especially the steel price is still raising, the crane price changes quickly.

20t crane price is related to spam, lifting height and traveling distance. These are main factors for engineers to calculate the cost. And before estimating the cost, the crane drawing is first. This is a complex process.

AIMIX Group is a professional bridge crane manufacturer and supplier in China. Our cranes have many advantages, such as advanced technology, compact structure, easy operation, simple maintenance, low investment and wide application. Our lifting cranes are hot sale at home and abroad.

For 20t crane price lift, just send email to us: sales@ellsenoverheadcrane.com

Limiting stopper on bridge cranes

Limiting stopper is a kind of protection device to limit the travelling area of mechanism. It includes two categories, one is the limiting stopper of rising extreme position and downing extreme position to protect lifting mechanism, and the other is limiting stopper of travelling extreme position to limit the traveling mechanism.

20t AQ-QD Dual Hook Bridge Crane
20t AQ-QD Dual Hook Bridge Crane
Lifting Capacity: 20t
Span Length: 10.5~31.5m
Lifting Height: 6~18m
Working Class: A5, A6
Ambient Temperature: -20~40℃

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AQ-QDY 20t Heavy Duty Foundry Crane
AQ-QDY 20t Heavy Duty Foundry Crane
Lifting Capacity: 20t
Span Length: 10.5~31.5m
Lifting Height: 6~35m
Crane Dive:IP54 or IP44,level F insulation
Working Class: A5 A6

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Why crane system need buffers?

Three kinds of buffers are used widely, spring buffer, rubber buffer and hydraulic buffer. Spring buffer is reliable and convenient to maintain. Rubber buffer has simple structure. Hydraulic buffer can absorb large hitting energy and has no rebound effect.

When limiting stopper of travelling extreme position or brake is in trouble, due to the inertia, the crane system moving in the end or the trolley on the main girder, will hit against the stopper set in the position. But crane buffer can absorb the travelling energy of crane system or trolley and reduce impulsion. Buffers should be set between the bridge cranes travelling on the same track, or between the double trolleys on the same girder.

20t AQ-QE Double-trolley Lifting Crane
20t AQ-QE Double-trolley Lifting Crane
Lifting Capacity: 20t
Span Length: 6~31.5m
Lifting Height: 3~60m
Lifting Speed: 0.1-13m/min
Working Class: A5 A6

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20t AQ-QCL Electromagnetic Crane
20t AQ-QCL Electromagnetic Crane
Lifting Capacity: 1~350t
Span Length: 6~31.5m
Lifting Height: 3~60m
Lifting Speed: 7.8-15.5m/min
Crane Speed: 20-30m/min
Working Class: A3-A7

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The use of overload limiter on lifting crane

Overload can make harm to the crane system itself and endanger the operator, so the overload limited must be installed on hoisting cranes to ensure the crane safety. Overload limiter includes two types: automatic-stop type and ring-bell type

20t AQ-QZ Grab Overhead Crane
20t AQ-QZ Grab Overhead Crane
Lifting Capacity: 5~20t
Span Length: 10.5~31.5m
Lifting Height: 6~18m
Working Class: A5, A6
Ambient Temperature: -20~40℃

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The function of anti-collision device on cranes

It mainly includes laser type, ultrasonic type, infrared type, electromagnetic type, all use the principle that light or radio wave travels, reflects and the distance can be measured. When two overhead cranes travels to pointed position, the crane mechanism rings alarm bell and gives the stop command at the same time.

20t AQ-YZ Foundry Heavy Duty Crane
20t AQ-YZ Foundry Heavy Duty Crane
Lifting Capacity: 5~320t
Span Length: 10.5~31.5m
Lifting Height: 6~18m
Working Class: A6, A7
Ambient Temperature: -10~50℃

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How does anti-deflection device protect  cranes?

It includes wire-rope type, cam type, chain wheel type and skew indicator and other automatic adjustable devices. When the bridge frame deflects to some degree, it can give signal to the operator and adjust itself automatically. When the crane frame deflects seriously, it can cut the power automatically, stop the travelling mechanism and protect the safety.

How to get a reliable 20 ton overhead crane

Searching for a reliable 20 ton overhead Crane might not be the easiest thing to accomplish, especially if you do not know where to look. There are specific companies that produce the vast majority of them that are used today, many of which are very affordable. These are cranes that are using a hoist that can handle 20 tons of weight. You need to make sure that the containers or whatever you happen to be moving at your place of business do not exceed this or it could compromise the entire Crane. Let’s look at some easy ways to get the most affordable prices on a 20 ton overhead crane.

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Advantages of customized 20 ton bridge crane

Our company has advantage as customized service. Every crane can be designed and produces according to specifications, such as lifting span, lifting height, traveling speed, electric hoist, paint color, safety devices. Why do more customers choose customized overhead cranes? The reasons are as following.

First, customized bridge crane is special. Different working conditions needs different lifting cranes. For explosive environment, explosion-proof overhead crane is suitable, for high temperature, construction bridge crane is good, for casting work, casting bridge crane can accomplish loading and unloading work well. For transporting iron bulks, electromagnetic overhead crane is wonderful.

Second, customized crane can adapt to lifting work better. In this way, crane can increase working efficiency and save much energy and time.

Third, customized traveling crane can make customers save much cost. For example, for light and frequent lifting work, customers can purchase small crane, for heavy lifting work, large and heavy duty crane is better.
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