QZ Grab Bucket Overhead Crane

The grab bucket overhead crane has the lifting capacity around 5 to 50 tons together with the weight of the grab bucket, which is widely used in power station, storage, workshop, and port to load and unload scattered objects.

• Lifting Capacity:5~50t
• Span:10.5~36.5m
• Working Duty:A6
• Ambient Temperature:-20~40℃

Description

Double girder overhead crane with grab consists of girders, crane traveling mechanism, trolley, electric system and grab. Double girder overhead crane with grab is widely used in power stations, warehouses, workshops and ports to grab or lift bulk materials. The lifting capacity includes the weight of grab and the grab opening direction is parallel or vertical to the main girders.

Bridge (main beam and end beam): supports the crane structure and moves horizontally along the track.

Hoisting mechanism: controls the vertical lifting of the grab bucket, usually equipped with double drums (supporting the opening and closing and lifting of the grab bucket respectively).

Grab bucket: double-flap grab bucket (granular materials) or multi-flap grab bucket (scrap steel, irregular materials) can be selected according to the material type.

Operating mechanism: includes a large car (longitudinal movement) and a small car (lateral movement) to achieve precise positioning in three-dimensional space.

Electrical system: frequency conversion control, anti-sway technology, overload protection, etc. to ensure smooth and safe operation.

Features

1. The cross-section of the main beam is analyzed using the ANSYS finite element calculation method to ensure sufficient strength, rigidity, and overall stability.
2. The operator cabin is designed to meet various functional needs, being durable, safe, and reliable, while also providing good visibility, comfort, and an aesthetically pleasing environment, ensuring a pleasant experience for the operator during use.
3. The grab bucket crane is equipped with a complete set of safety devices, including overload limiters, safety guards, height limiters, and travel limiters.
4. The hoisting mechanism is easy to operate, stable in performance, and highly productive.
5. The company is equipped with comprehensive testing facilities, including magnetic particle inspection, ultrasonic testing, and impact testing machines, to ensure product quality.

Technical Data

Lifting capacity(t)10 16 20 
Span(m)10.5-31.516.5-31.5
Lifting height(m)20 18 28 26 
Working classA6
Speed (m/min)Hoist lifting39.2 40.7 41.8 48.6 
Trolley traveling44.6 45.9 38.0 37.8 
Crane traveling93.6/113.6112.5/10188/87.387.3 
Power supply380V, 50HZ, 3 phase or others

Purchasing Process

FAQs About Choosing the Right Gantry Crane and Supplier

In order to obtain accurate quotes for custom overhead cranes, providing the following core information will greatly improve efficiency:

1. Key specifications: including rated lifting weight (tons), span (i.e., track spacing, meters), and lifting height (meters), which is the basis of the design.
2. Use environment and working conditions: Explain the conditions of the installation site (such as indoor/outdoor, temperature, humidity) and work level (busy level), which determines the material selection and configuration level of the structure.
3. Specific configuration requirements: clarify the drive mode (such as frequency conversion control), brand preferences for electrical components, safety devices (such as overload limiters, anti-collision systems), and whether special functions such as remote control are required.
4. Installation and service: confirm the on-site power supply conditions (voltage, frequency), installation conditions, and specific expectations for delivery time, installation and commissioning, and after-sales service.

The more detailed the information provided, the more accurate and reliable the solutions and quotations obtained.

1. Span and lifting capacity: this is the foundation.The larger the span and the higher the rated lifting weight, the material and design costs of the main beam and structure will increase significantly, and the higher the price.

2. Working level and frequency of use: The working level (A1-A8) represents the busy level and load status of the crane.Cranes with frequent and heavy-duty use require more durable motors, gearboxes and structural parts, and the cost is naturally higher than that of lightweight and occasionally used equipment.

3. Structure and configuration: The double beam is more complex and stable than the single beam structure, and the price is higher.At the same time, the lifting height, operating speed, motor brand, control system (ordinary vs frequency conversion), and the level of safety devices (such as anti-swing, load monitoring) all directly affect the final quotation.

4. Degree of customization and brand service: completely standard models have lower costs.The customized design based on the workshop environment (such as explosion-proof and high temperature), special processes (such as metallurgical special), brand added value, and after-sales guarantee system will all be reflected in the price.

In simple terms, when buying a bridge crane, it is necessary to consider “how much, how frequently, what environment and what configuration”, which determine its core value and price.

Which crane to choose mainly depends on your specific needs. You can quickly judge from the following four core aspects:

-Single-beam bridge crane: it is suitable for conventional workshops with light and medium loads (usually ≤20 tons), medium span, and low frequency of use. It is the most economical and versatile choice.
-Double-girder bridge crane: used for heavy-duty, long-span, or high-work-level occasions (such as frequent hoisting, metallurgy, heavy-duty assembly). Its stability, durability, and safety are higher, but the cost is also increased accordingly.
-Free vertical crane (cantilever/column type): suitable for fixed working points and working conditions with limited rotation range, such as beside machine tools, maintenance areas, or production line stations, it can efficiently use corner space and be installed flexibly.
-Grab crane: It is specially used for the handling, loading, and unloading of bulk materials (such as grain, coal, sand, and gravel). The only reason to choose it is that you need to deal with such unpackaged loose materials.

In simple terms, you can filter according to this logic:

First, according to the lifting weight and span, choose between a single beam and a double beam.
If the scope of operation is highly concentrated and the space is limited, consider a free vertical.
If the handling object is bulk material, it points directly to the grab type.

Yes. Our bridge cranes fully comply with and follow relevant international standards. Our company has passed a number of international certifications, such as the ISO 9001 quality management system, which guarantees that the management system ensures every aspect of the product, from design to delivery, is under high standards of quality control. Therefore, you can rest assured that our cranes are internationally competitive in terms of safety and quality.
 
In order to ensure the versatility, safety, and reliability of our products on a global scale, we strictly follow the mainstream international standard systems, including the International Electrotechnical Commission (IEC), European (EN/DIN), and the United States (ANSI/ASME) in the design and manufacturing process. For example, for the EU market, our products meet the detailed requirements of the Machinery Directive and CE certification. At the same time, we also actively adapt to specific regulations in other regions to meet the compliance needs of different customers.

Delivery times largely depend on whether the crane is standard or customized. Based on our experience, standard single-girder and double-girder cranes can be produced more quickly, while cranes with special spans, duty ratings, or environmental requirements naturally require additional engineering design time.

For each quotation, we provide an estimated production and delivery schedule based on your configuration and destination. Throughout the manufacturing process, our team maintains communication with the customer to ensure no unexpected issues arise before shipment.

Compared with many suppliers, Yangyumech mainly reflects the two differentiated advantages of high customization flexibility and clear international compliance when providing bridge cranes.

On the one hand, we focus on in-depth customized services. According to your specific needs, we can provide fully customized solutions on core parameters such as rated load capacity, span, and lifting height, and accept personalized requirements. This means that what you get is not a standard product, but exclusive equipment that accurately matches the working conditions of your workshop.

On the other hand, we attach importance to international standards and quality certification. Our products clearly meet the requirements of international certifications such as CE, which ensures that their safety and reliability can meet the mainstream standards of the international market, and provides you with additional quality confidence guarantees. Combined with our direct supply capabilities as a powerful factory, we can achieve better comprehensive value for you while obtaining compliant and customized products.

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Get In Touch

Yangyumech is a leading professional manufacturer of cranes in China. Our company integrates the processes of crane research and development, manufacturing, sales and service.