Top running overhead crane is a common type of overhead crane and as the name implies, its end trucks travel on the top of runway beam. It is a kind of highly efficient lifting equipment which can make full use of the space under the bridge and is not obstructed by the equipment and obstructions on the ground.
The top running crane is available in two main configurations including single girder and double girder to suit multiple applications, such as loading and transferring goods in warehouse, workshop, and material yards. Compared with underhung crane, the top running overhead crane is generally adopted for lifting larger and heavier loads, and it also provides high headroom when greater headroom is required or the building has low headroom.
Overhead Cranes for Different Customers
In Uzbekistan
Single Girder Overhead Crane in Uzbekistan
In Nigeria
10ton Overhead Crane in Nigeria
In Saudi Arabia
5ton Overhead Crane in Saudi Arabia
In Chile
Double Girder Overhead Crane in Chile
Different Types of Top Running Crane
As mentioned above, our top running overhead cranes are mainly designed in two configurations. We provide many different types of overhead crane with either single girder or double girder to match your wide range of applications.
Single Girder Top Running Cranes
Single girder top running overhead crane has less cost and lower lifting capacity compared with double girder design. When it comes with applications where great headroom is not highly required, the single girder overhead crane may be a good option as the hoist usually runs underneath of the bridge girder. We manufacture multiple types of top running crane including AQ-LD type, AQ-LB type and AQ-HD type, etc.
AQ-LD
AQ-LD model single girder overhead crane is characterized by more reasonable structure and higher strength steel as a whole, used together with CD1, MD1 electric hoist as a complete set.
It is light duty crane with wide applications and good work performance.
AQ-LD top running crane parameters:
- Load capacity: 1-25t
- Span: 7.5-31.5m
- Lifting height: 6-30m
- Lifting speed: 0.3-8m/min
- Hoist running speed: 20m/min
- Crane running speed: 20m/min
- Work duty: A3, A4
- Provide custom option
AQ-HD
AQ-HD European type single girder overhead crane has light dead weight, small wheel pressure and reliable performance, and is easy to operate.
Small wheel pressure and margin can cut down earlier stage project investment of workshop, and this kind of crane is with low noise, low energy consumption, energy conservation and environmental protection.
Wear well can lower maintenance and maintenance costs.
AQ-HD single girder crane parameters:
- Load capacity: 1-20t
- Span: 7.5-28.5m
- Lifting height: 6-18m
- Lifting speed: 0.8/5m/min
- Hoist running speed: 2-20m/min
- Crane running speed: 3-30m/min
- Work duty: A5
- Provide custom option
AQ-LDZ
AQ-LDZ single girder grab crane works together with hoist grab trolley, with the lifting capacity of 2-10ton.
The grab crane is used to grab all kinds of bulk materials. The lifting capacity includes the deal weight of the grab.
AQ-LDZ grab crane parameters:
- Load capacity: 2-10t
- Span: 4.5-28.5m
- Lifting height: 6-16m
- Lifting speed: 14-16m/min
- Hoist running speed: 20m/min
- Crane running speed: 20m/min
- Work duty: A3, A4
- Provide custom option
AQ-LDY
AQ-LDY single girder metallurgical crane mainly used for lifting and moving molten metal. The lifting capacity 1-10ton, dealing with special thermal baffle felt for main girder, working environment temperature: -20~60℃.
This crane is widely used in plants, warehouses, material stocks to lift goods. It is prohibited to use the equipment in the combustible, explosive or corrosive environment.
AQ-LDY metallurgical overhead crane parameters:
- Load capacity: 1-10t
- Span: 7.5-31.5m
- Lifting height: 6-20m
- Lifting speed: 1.75-8m/min
- Hoist running speed: 20m/min
- Crane running speed: 20m/min
- Work duty: A6
- Provide custom option
This kind of crane has two operational methods, ground or operational room which has open model and closed model and can be installed on left or right side according to the practical situation, and the direction of the entering the gate has two forms, sideway and ends in order to satisfy the users’ choice under different conditions.
AQ-LDP
AQ-LDP model single girder crane belongs to very low clearance light duty lifting equipment.
Electric hoist is at one side of main girder, so it can increase the service space of hook and reduce the cost.
With advantages of big trolley tread, smooth travelling, tight structure, strong rigidity, delicate operation, low noise, safety and reliable and beautiful exterior, it is widely use in the situation that clearance height of the workshop is low.
The main operating method is ground control (ground control, remote control, ground control+remote control).
We also provide non-standard design according to the users’ requirements.
Double Girder Top Running Cranes
Double girder top running overhead crane has high lifting capacity and of course much more cost. The crane hook can reach a greater lifting height as the hoist is typically mounted on top of the bridge beam. We supply a large variety of double girder overhead crane such as AQ-QD type, AQ-QB type and AQ-QDY type.
AQ-QD
AQ-QD model overhead crane with hook is mainly used in inside workshop, the working class can be from A3 to A7 according to the use grade and load-up condition.
There are three kinds of method for entering the platform of cab from the side, from the end and from the top.
The cab can be either fixed at the left end or at the right end.
Safe slide wire or angle iron can be uses for electric conduction of the crane, it can be either at the opposite side of the cab or at the same-side of the cab.
AQ-LH
AQ-LH model electric hoist overhead crane has features as follows: tight dimensions, low building headroom, light dead weight and light wheel load. The cranes are applicable to transferring, assembly, check and maintenance as well as loading and unloading work at mechanic processing workshop, subsidiary workshop of metallurgical mills, warehouse, goods yard and power station.
They can also be uses instead of common double girder overhead cranes at production workshop in light textiles or food industry. It has two types of classification, that is, light and medium. The hoist overhead cranes cannot be used in environment with combustible, explosive and corrosive media.
Two operating methods, namely, on floor and in the driver’s cabin, have been designed for the crane. The cabin is divided into open-style and closed style, the cabin can be installed on the left or right according to actual conditions, and the operator can enter the cabin from one side, rear or top, which depends on the different users’ requirements.
AQ-QZ
AQ-QZ overhead crane with grab is widely used in loading goods in port, factory, workshop and power plant.
The work classification is heavy, the work duty is from A5-A7. The direction of platform door to the driver’s cap is: side, end and top.
The lifting capacity includes the weight of the grab. The open direction of the grab is: paralleling with the beam and plumbing with the beam.
Technical parameters:
- Load capacity: 5-20t
- Span: 10.5-31.5m
- Lifting height: 6-26m
- Lifting speed: 30.7-39.3m/min
- Trolley running speed: 31.1-44.6m/min
- Crane running speed: 76.9-93.6m/min
- Work duty: A5-A7
- Provide custom option
AQ-YZ
AQ-YZ foundry crane is the main equipment of steelmaking and continuous casting process, mainly used for lifting and transportation of liquid steel ladle.
Overall structure can be divided into, double girder double-track, four beams and four-track, four-beam rail and other types. The first two are generally used for large tonnage crane, and the third is generally used for large tonnage of foundry crane.
Our crane design and production has the following advantages:
- Advanced technology
- Novel structure
- Safe and reliable
- Economical and durable and
- Easy maintenance
In addition, our foundry crane offers the following features to be selected: rotary spreader, the gantry hook from the variable, load weighing and display.
Other Types
To select the most appropriate types of overhead crane equipment is critical for your business. If you want to know more detailed information about these types, please contact our sale manager online, and we are willing to offer you the best solution accordingly.
Aicrane Top Running Overhead Crane Designs
Considerations When Choosing a Top Running Crane
Which is the best option for your business, top running overhead crane or under running crane? Customers should consider this question carefully before making the purchase choice. Here are some considerations you should know when choosing overhead crane lifting devices.
Besides, you need to see whether your building structure is strong enough to support a top running crane. If not, you may consider underhung crane instead. In addition, the layout of your building including the ceiling height and floor space also determines which crane is your best option.
You should consider the above issues before determining the configuration of your crane. You can also contact our sales team to help you select the best solution for your application.
Tips for Overhead Crane Operator
Overhead crane safety is essential for both your business and personnel, and the crane operator plays a very important role in the crane operation. The crane accidents can be preventable if the operator strictly follows the safety rules and conducts a correct operation. For new operators, the basic advice they should take is to receive professional training before operating a crane. They should also be trained on the specific crane of the operation and rigging because each crane may have slight differences in the operation methods.
For both new and experienced operators, they should be notified of other critical tips for the overhead crane operation. One of the most important tips is never stand under a load. Operators may get injured from unstable loads or loads drop. Though it is a small possibility of a load fall, it costs too much once it happens. Besides, the operator should strictly comply with operation and safety procedures during the crane operation.
The accidents are prone to happen when operators are careless, therefore they should focus on the operation during working. Other essential issues the operator should consider include: conduct a pre-operational inspection; check the hook; inspect the limit switch before operating the crane; take a regular maintenance of the crane components.
To know more about the crane operation and safety procedures, please consult our technical team now. We are experienced top running overhead crane manufacturer and can ensure high quality products and best service. Hope to cooperate with you! For our overhead crane price and quotation, just feel free to contact us.
