Grab Overhead Crane Product Introduction
Configuration Characteristics of QZ Double Girder Grab Overhead Crane：
- The grab bucket eot crane box-shaped double-beam structure matches the A6 heavy-duty working level (JC=40%).
- The grab overhead crane fatigue strength of the main beam is more than 30% higher than that of conventional A3-A5 models.
- Grab bucket overhead crane adapt to high-frequency operation scenarios such as power plants and docks.
- Grab bucket bridge crane equipped with IP44-54 YZR type protective motor.
- Grab eot crane equipped with a polyurethane buffer, the crane buffer can absorb the operating energy of the crane system or trolley and reduce the impact.
- Grab overhead crane an anti-collision system should be set up between grab overhead crane on the same track or between double trolleys on the same beam.
Configuration Characteristics of Mechanical Four Rope Clamshell Grabs Bucket
QZ double girder grab bridge cranes are commonly used to carry bulk materials, which are easy to scatter during the handling process, so a mechanical four rope clamshell grabs bucket is used. The combined surface of the grab edge has good sealing and supports accurate opening and closing of the bucket at any height. The opening direction of the grab can be customized parallel or vertical main beam layout. Compared with mechanical four rope orange peel grapes, mechanical four rope clamshell grabs bucket has a simple structure and good sealing, effectively preventing materials from spilling and improving operation cleanliness and safety. At the same time, the purchase and maintenance costs of the four-rope mechanical grab are low, which is suitable for operations with limited budgets and long-term and high-frequency use. For bulk materials in a dry state, the gripping force and stability of the mechanical four-rope grab are sufficient to meet the needs, and the operation is simple and easy to maintain.
Grab Overhead Crane Technical Specifications
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How Much Does Grab Overhead Crane Cost
Five Technical Dimensions That Affect Prices
1.Grab type and drive method
Four-cable double reel grab (mainstream configuration, price +15%) is more stable than single reel, and supports opening and closing at any height.
Hydraulic grabbers (such as hydraulic garbage cranes) are 20%-30% more expensive than mechanical ones, but the gripping power is increased by 40%.
2.Main beam structure and material
Parallel main beams (lower cost) are suitable for light-load scenarios, and vertical main beams (price +10%-15%) enhance torsional resistance and are used for long-span operations.
The European-style lightweight design (such as the European-style double-beam model in the web page) is 30% lighter than the traditional structure, with lower energy consumption but a premium of about 25%.
3.Work level and protection level
The price difference between Class A5 (medium usage rate) and Class A7 (heavy-duty continuous operation) can reach 50%.
The selection of the protection level of outdoor models directly affects the cost of the whole machine. The conventional IP54 dust-proof and splash-proof system and the high-sealing IP65 dust-proof and waterproof system form a significant cost gradient, and the configuration of harsh working conditions is recommended to increase the budget level accordingly.
4.Tonnage and span
The price of 10 tons→20 tons increased by about 60%, and the price of 20 tons→50 tons increased by 120%.
For every 3-meter span increase, the price rises by 8%-12% (due to the demand for reinforcement of the main beam).
5.Customized requirements
Special operation scenarios need to be matched with customized configuration plans. For example, garbage cranes need to use stainless steel corrosion-resistant alloy liner grab, and submersible sealed motor systems are mandatory for underwater operations. Such special designs will significantly increase the procurement cost of grab cranes.
Models using wireless remote control systems need to integrate multi-band anti-interference modules and safety redundant control units. Such intelligent upgrades will significantly increase the cost of grab bridge cranes, especially suitable for remote safe operation in complex working conditions such as metallurgical high temperature zones and hazardous chemical warehouses.
Grab Overhead Crane Price List
| سعة /ton | امتداد/م | نظام العمل | Application Industry | Grab Bucket Type | السعر/دولار أمريكي |
|---|---|---|---|---|---|
| 5 | 31.5 | م7 | Ironworks | Mechanical four rope clamshell grabs | $61,951 |
| 10 | 28 | أ8 | Waste power generation | Electro hydraulic orange peel grabs | $191,150 |
| 10 | 31.5 | أ6 | Steelmaking plant | Mechanical four rope clamshell grabs | $41,571 |
| 16 | 34.5 | م 6 | Grab raw coal | Mechanical four rope clamshell grabs | $97,611 |
The price list is based on the case in the article below and is for reference only. If you need a more detailed price, please contact us, and we will have a professional engineer 1v1 to quote you.
How Many Types of Grabs are There?
Dafang Crane can provide a wide range of bulk handling grab types, including 15 different grab buckets for crane applications optimized for specific materials. Clamshell grabs can be used for most bulk materials. For certain materials or specific operations, other grabs are a better solution.
6 Grab Overhead Crane Application
Mining Grab Overhead Crane
Grab cranes are usually used in mining operations to transport iron ore and other mining materials, remove waste stones and transport slag, and support loading and unloading operations on mining sites. Often used with a mechanical four rope clamshell grab bucket for harsh working conditions in mining plants, the core design of grab cranes revolves around durability and practicality. Mining models can effectively resist dust and water mist erosion in open-pit mines; the grab tooth plate is upgraded to manganese steel wear-resistant material, and the iron ore grab life in actual operations can reach 4 times that of ordinary materials, greatly reducing the frequency of downtime and replacement. To adapt to different material characteristics (such as waste stone), the equipment is equipped with an adaptive gripping system, which can adjust the opening and closing force in real time to reduce the secondary cleaning cost caused by material leakage. At the same time, the modular grab design supports on-site rapid replacement of wearing parts, and is equipped with a remote fault diagnosis interface to effectively meet the dual needs of mines for stable equipment operation and cost reduction, and efficiency.
Double clamshell grab is particularly suitable for mining operations, as it can efficiently grab materials such as iron ore and slag, and generally has teeth in the grab bucket. Its two-flap design provides a larger gripping surface and a balanced pressure distribution, improving gripping stability and accuracy. The use of wear-resistant materials can cope with the high wear environment of hard minerals and extend the service life. The high stability and strong durability of the double-flap grab ensure its efficient operation in the harsh environment of the mine, reduce material leakage, improve operating efficiency, and reduce maintenance costs.
Biomass Grab Overhead Crane
Biomass treatment grab overhead crane is used for biomass waste treatment in biofuel and biomass power stations and incinerators. Biomass grab overhead crane is used for automatic material handling. Often used with قشر البرتقال الكهربائي الهيدروليكي, it is designed for biomass materials (such as sawdust, straw, and organic waste). The grab adopts a multi-claw, leak-proof structure, which is suitable for the grabbing needs of high humidity and irregular materials. Equipped with an intelligent control system, it automatically adjusts the gripping force and path to improve the loading and unloading efficiency. Strengthen the main beam and anti-swing device to ensure the safety of heavy-duty operations. It is suitable for fuel transportation in biomass power plants, bulk material handling in ports, and waste sorting in organic recycling plants, taking into account efficient production and long-term durability.
Biomass treatment grab overhead crane is usually equipped with electro hydraulic orange peel grabs. Its multi-claw, leak-proof structure design ensures that materials will not be missed during the grasping process, enhancing the stability and efficiency of grasping. Depending on the grab size, it is usually possible to grab a few tons to more than ten tons of biomass materials at a time, depending on the equipment specifications and the grab capacity. This kind of grab can operate stably in humid or dusty environments and adapt to the special conditions of biomass treatment.
Steel Scrape Handling Grab Overhead Crane
Scrap handling grab overhead crane play a vital role in the steel industry, especially in the process of transporting and sorting scrap between scrap yards and smelting workshops. Since this equipment needs to operate in extremely harsh working environments, special attention is paid to the durability and efficiency of the equipment when designing. Scrap steel grab cranes are usually required to operate continuously under conditions of high noise, strong vibration and a lot of dust. Therefore, they use high-strength, wear-resistant materials and advanced dust-proof technology to ensure the stability and long service life of the equipment under high-intensity work.
In terms of design, in addition to having a high load capacity, scrap steel grab cranes also need to have a high operating speed to improve operating efficiency. These type grab overhead crane is usually equipped with electro hydraulic orange peel grabs, which can accurately grab and release scrap steel, while the opening and closing actions of the grab are controlled by a high-precision control system to ensure the stability and safety of operation. Because of its unique design and strong gripping ability, this kind of grab plays an important role in the process of scrap steel treatment. The multiple grippers of the orange peel grab can simultaneously grab and process scrap steel materials of various shapes, such as steel plates, metal fragments, and scrap steel pipes. Depending on the size and configuration of the grab, the weight of scrap steel that can be grabbed at a time usually ranges from a few tons to more than ten tons, depending on the specifications of the equipment and the capacity of the grab.
Garbage Grab Overhead Crane
Garbage grab overhead crane play a vital role in the feeding system of domestic waste incineration plants. Their main functions include garbage feeding, treatment, mixing, extraction and weighing. Due to the particularity of the environment of the waste incineration plant, the garbage grab crane must have strong wear resistance and corrosion resistance, because the garbage may contain metal, plastic, and other hard materials, which cause serious wear and corrosion to the equipment. For this reason, grab and crane structures are usually made of wear-resistant steel, and the surface is specially anticorrosive to extend the service life of the equipment. Secondly, since waste incineration plants often face a lot of moisture and corrosive gases, the electrical system and hydraulic system of grab cranes need to be waterproof, moisture-proof, and corrosion-resistant to ensure the normal operation of the system. From the perspective of environmental safety, the design of garbage grab cranes also needs to pay attention to explosion-proof, fire-proof, and other safety properties, especially when garbage accumulates, there may be flammable substances. Efficient grapple technology and precise grapple control can avoid the risk of secondary pollution or fire during the stacking of garbage. The design of garbage grab cranes needs to take into account the impact of these harsh environments to ensure the stability and efficiency of the equipment under long-term high-load operations. Electro hydraulic orange peel grapes are usually used.
The electro hydraulic orange peel grabs have achieved multiple technological breakthroughs in the field of domestic waste treatment. Through the multi-flap adaptive structure design, it can efficiently grab heterogeneous garbage mixed with metals, plastics, and organic matter to avoid entanglement and stagnation; its hydraulic system adopts industrial-grade protection, which can resist corrosive gas erosion and ensure stable operation under harsh working conditions. Grab innovatively integrates dynamic weighing and collaborative incineration control functions to optimize the calorific value balance of waste entering the furnace in real time, improve incineration efficiency, and greatly reduce fire risk. The modular component design significantly shortens the maintenance cycle, cooperates with long-lasting anti-fatigue materials to extend the life of the equipment, suppresses the generation of pollutants through precise material control, and supports the intelligent and safe upgrading of modern waste treatment facilities with full-process environmental protection technology.
Chemical Plant Sewage Tank Grab Overhead Crane
In the underwater decontamination operation of the sewage tank of a chemical plant, the grab crane has become an ideal choice due to its efficient and accurate operating characteristics. Chemical plant sewage ponds often contain corrosive chemicals, viscous sludge, mixed solid waste, and fiber impurities. Traditional decontamination equipment is susceptible to corrosion or it is difficult to efficiently grasp complex materials. The grab crane is equipped with electric monorail grab bucket with hoist. It is designed with a corrosion-resistant alloy shell and a sealed structure to adapt to a strong acid and alkali environment. At the same time, it is combined with a monorail walking system, which can quickly locate along a fixed track and cover a large area of sewage pond to achieve continuous decontamination operations. Its remote control function allows operators to accurately control the opening, closing and lifting of the grab in a safe area, avoiding direct contact with toxic and harmful substances, and significantly improving operational safety and efficiency.
The single grab volume of the electric monorail grab bucket with hoist covers the range of 0.5 to 1.5 cubic meters, which is suitable for the cleaning needs of sewage ponds of different sizes. The equipment integrates a high-precision intelligent positioning module, and the horizontal movement error is controlled within ±5cm. With a high-protection motor and an acid-alkali-resistant hydraulic system, it can maintain long-term stable operation in a highly corrosive environment, and the maintenance cycle is more than 50% longer than that of a traditional grab. In addition, the key components adopt a modular quick release design, which can quickly replace faulty components even in high-risk chemical scenarios, greatly reducing downtime. Compared with conventional grabbers that rely on manual operation, weak corrosion resistance or insufficient gripping power, the equipment has achieved a double breakthrough in decontamination efficiency and safety through electric drive, customized structure, and intelligent control, and has become a specialized solution in the field of sewage treatment in the chemical industry.
Grab Overhead Crane for Brewery
The special intelligent grab overhead crane for wineries is equipped with a remote visual control system and automatic control. It is usually equipped with electric stainless steel grab bucket for high humidity, strong corrosion (alcohol vapor/detergent), and strict hygiene and safety requirements of wineries. The fermentation workshop, and production workshop can be customized according to actual use. After completing the data setting, the crane will automatically complete the grabbing and launching actions. It has the characteristics of high precision, precise identification, multi-vehicle collaboration, intelligent dispatching, etc., and has opened a new era of crane informationization, intelligence, and efficient unmanned systems. The special grab bridge crane for the winery has an opening and closing mechanism and a lifting mechanism, and the grab is suspended on the opening and closing mechanism and the lifting mechanism with four wire ropes. The opening and closing mechanism drives the grab to close and grab the material. When the bucket mouth is closed, the lifting mechanism is activated immediately, so that the four wire ropes are evenly loaded for lifting work. When unloading, only the opening and closing mechanism is activated, and the bucket mouth opens immediately to dump the material.
The electric stainless steel grab bucket is aimed at the high humidity, strong corrosion (alcohol vapor/detergent) and food-grade hygiene requirements of wineries. Its special grab bucket is made of food-grade 304 stainless steel, with a surface finish of Ra≤0.8µm, which eliminates material pollution and improves acid and alkali corrosion resistance. Life. The motor can operate safely in an alcohol vapor environment, and the maintenance cycle is extended to meet the daily processing needs of 20-50 tons of raw materials for wineries with an annual output of 1,000 tons, and at the same time, comply with FDA and HACCP food safety regulations. The grab volume is 0.75/ 1/1.5 cubic meters.
Why Choose Dafang Crane Grab Overhead Crane
Dafang Crane grab overhead crane leverage decades of industry expertise to deliver efficient and reliable material-handling solutions. With over 15 specialized grab types, the product line seamlessly adapts to diverse operational challenges, including high-temperature, high-dust environments, stainless steel material handling, dredging projects, and timber logistics. For instance, the heat-resistant, dust-proof grab employs (special alloys) and advanced sealing technology for extreme conditions, while the stainless steel-specific grab uses anti-corrosion materials to prevent contamination. Intelligent hydraulic grabs integrate high-efficiency systems for precision control, serving industries like ports, metallurgy, mining, and energy.
Backed by robust technical expertise, Dafang Crane addresses complex challenges such as wear-resistant designs for dredging grabs and anti-splinter structures for timber handling. Smart features like remote monitoring and fault diagnosis enhance operational efficiency and reduce maintenance costs. Certified to CE, ISO, and other international standards, DAFANG products are trusted in over 30 countries. The company provides end-to-end localized support, from logistics and installation to after-sales training, ensuring rapid response to global client needs.
Additionally, Dafang Crane offers customized solutions tailored to site specific requirements, optimizing grab dimensions and control systems. A modular production approach accelerates delivery timelines, while 20+ rigorous quality inspections and lifetime technical support guarantee long-term performance. By balancing innovation, adaptability, and global service capabilities, Dafang Crane empowers clients to achieve cost-effective, high-productivity operations across demanding industrial scenarios.
Grab Overhead Crane Cases
600 Ton Grab Overhead Crane for Garbage Used in Waste Power Generation Projects
نوع الاستيلاء: Electro hydraulic orange peel grabs, grab volume 4m3*أ6
Price reference: $191,150
Project type: Used in waste power generation projects, mainly used to deal with the mixing, dumping, handling, mixing, etc. of domestic waste to ensure uniform waste composition. Deal with 600t of garbage a day; the operation of the equipment is greater than 8000h. The moisture content of domestic waste is 45%~65%.The density of garbage in the grab is 0.6~0.9t/m3. Garbage capacity (in the garbage compartment) 0.3~0.6t/m3. Static accumulation angle 65 degrees.
QZ Grab Overhead Crane Used in Metal Powder Magnetic Material Companie
نوع الاستيلاء: Mechanical Four Rope Clamshell Grabs Bucket , grab volume 4m3
Price reference: $9,939.78
Project type: Used in metal powder magnetic material companies, the grab wire rope adopts a stainless steel temperature resistant type. This heavy-duty mechanical grab is specifically engineered for metal powder handling with explosion-proof electrical systems and hermetic sealing to prevent micron level leaks.
10 Ton Grab Overhead Crane Use in Steelmaking Plants
نوع الاستيلاء: دلو ميكانيكي مزود بأربعة حبال صدفية
Price reference: $4,1571
Project type: This crane is suitable for the transportation of blast furnace slag in steel mills, and is engaged in the loading, unloading and handling of slag, coke, coal, sand and other bulk materials. The crane adopts the structure type of double-beam double-track and single-hoist trolley. There are two sets of hoist mechanisms on the crane trolley, each of which adopts a double reel and is arranged symmetrically. The support rope and the opening and closing rope of the grab are operated separately, which are easy to operate, stable operation and high productivity. This crane is mature and reliable, easy to operate, stable operation and advanced technology. It is a mature product of our company for many years.
5 Ton Grab Overhead Crane Use in Ironworks
نوع الاستيلاء: دلو ميكانيكي مزود بأربعة حبال صدفية
Price reference: $61,951
Project type: Prepare the old coke field (semi-open air); work 360 days a year, 3 shifts; ambient temperature: -5~50℃; relative humidity: less than or equal to 60%.
Grab: The grab has a volume of 3 cubic meters, a medium-sized grab, and a pulley magnification of 5, which is suitable for 5T double-beam bridge driving; the rope retaining device is required to adopt an anti-wear guide wheel, and the design of the guide wheel should be easy to replace the wire rope, and the head should not be designed as a balance rod type; the wire rope fixing method is oblique and wedge shell, and the steel rope deck of the grab cannot be designed on the side of the pulley, but should be designed on the beam or steel plate; the steel rope used for the grab is 6×37-17.5; the blade of the grab is toothless, and the thickness of the steel plate of the grab melon skin and side plate is not lower than 20mm, the material is made of special wear-resistant plate NM360, the hardness is not less than 35HRC, wear-resistant and resistant to impact and collision. The lower part of the grab body and the blade are welded with reinforced ribs, and the thickness of the steel plate is not less than 10mm. All shaft pins and bushings of the grab are tempered with 45 steel, with a hardness of HB257-280. The pin shaft needs to be designed with a lubricating oil channel, and there are protective measures at the oil injection nozzle to prevent collision and wear damage; the grab operates 24 hours a day, and the working conditions are harsh. It is mainly used for unloading coke from the train skin. It should have strong wear resistance and impact resistance. The self-weight of the grab is greater than 2.5 T.
16 Ton Grab Overhead Crane Use in Grab Raw Coal
نوع الاستيلاء: دلو ميكانيكي مزود بأربعة حبال صدفية
Price reference: $97,611
Project type: The crane is used in the auxiliary workshop of the blast furnace to grab raw coal. The running time of the crane is 8h/day; the power consumption is 540 degrees.
Grab: The opening and closing direction is perpendicular to the main beam of the crane and parallel to the crane track.The grab has a volume of 5 cubic meters, a light grab, and a pulley magnification of 3. It is used with 16T double-beam bridge driving; the driving is 16T double-beam bridge driving, span: 34.5M, lifting height: 16M, working conditions and working conditions system: three shifts, lifting speed: 36.55M/min, operating speed 44.5M/min, trolley track: 2M; It is required that the rope retaining device adopts an anti-wear guide wheel, and the design of the grab guide rope wheel should be able to rotate in a universal direction, reducing the wire rope and the guide rope wheel. The friction guide rope wheel is made of 45#steel with 6305 bearings; the upper and lower pin shafts of the support rod are made of 45#steel; (see the picture for the size of the parts); the grab is equipped with a wire rope diameter of ø24, and the wire rope fixing method is oblique and wedge shell method; the blade of the grab is toothless; the blade of the grab is toothless, and the thickness of the grab melon skin steel plate is not less than 16mm. The lower part of the grab body and the blade are welded reinforced ribs, and the steel plate is forged with high-strength 42CrMo (or NM360) steel, tempered and carburized. Treatment, the surface hardness is 30-35HRC; a Φ60*10 seamless steel pipe needs to be welded between the two halves of the right-angle melon plate to prevent deformation during grab work. The large shaft of the grab beam and the ear plate sleeve need to be tempered HB257-287; the reference weight of the grab: 4.8T; wire rope: hemp core wire rope (diameter: 24mm).
