Ship Building Gantry Crane

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 30 unit/month

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Ship building gantry crane is a kind of great lifting capacity, large span, high lifting altitude, multi-function, high efficiency of gantry crane, is special for the fragmented transport, end-to-end joint and turning operation of large ship hulls. Ship building gantry crane is used in the place of manufacturing of ship and dock.
In the past ten years, with the development of large-scale ship building, Shipyard gantry crane for sale, ship building gantry crane is the rapid growth of demand. Compared with the traditional portal crane, large ship building gantry crane has the obvious advantage of the installation and transportation of hull sections. It spans the dock (berth), can provide on-site assembly service at the coverage plane in the dock, not only has the lifting, horizontal transport function, but also can implement hull air turnover, adjusting the fragment to the welding position of ship required.

Features:

1. It have multiple functions of single hanging, hoisting, turnover in the air, slight horizontal turnover in the air and so on;
2. The gantry falls into two categories: single girder and double girder. To rationally utilize materials, the girder adopts optimum design of variable section;
3. The gantry rigid legs with a single column and double column type for customer choice.
4. The upper trolley has two main hooks, which are separately fixed at both sides of the main beam, but the lateral movement can be individually or simultaneously 0 - 2m.
5. The lower trolley has a main hook and auxiliary hook, which fixed below at the center of the two girders;
6. Both the upper trolley and the lower trolley can cross each other for operation;
7. All the lifting mechanism and travelling mechanism adopts frequency conversion speed regulating;
8, On the top of the girder at the side of rigid leg is equipped a jib crane to accomplish maintenance of upper and lower trolley;
9. In order to prevent the storm attack, such safe and reliable anti-wind devices as rail clamp and ground anchor are equipped.

Technical Data:

Parameter					250t×60m	300t×108m	600t×60m
Duty					A5
Lifting weight	Normal lift			t	250	200	600
Lifting weight	Rotate lift			t	200	200	400
Span				m	60	108	60
Lifting height				m	48	70	Above rail 40 Below rail 5
Top trolley		Lift weight		t	100×2	100×2	200×2
		Lifting Speed		m/min	0.5-5-10	0.5-5-10	0.4-4-8
		Running speed		m/min	1~28.5	3~30	1~25
Bottom trolley		Lifting weight	Main hook	t	100	150	300
		Lifting weight	Aux hook	t	20	20	32
		Lifting speed	Main hook	m/min	0.5-5-10	0.5-5-10	0.4-4-8
		Lifting speed	Aux hook		10	10	10
		Running speed			1~26.5	3~30	1~25
Jib crane for maintenance		Lifting weight		t	5	5	5
		Lifting speed		m/min	8	8	8
		Running speed		m/min	20	20	20
		Rotate speed		r/min	0.9	0.9	0.9
Crane travelling speed				m/min	1~26.5	3~30	1~25
Max. wheel presure				kN	200	450	430
Power supply					380V / 10kV; 50Hz; 3 Phase

Q: Is it possible to use a building hoist for lifting delicate or fragile items?: A building hoist is typically designed for heavy construction materials and not recommended for lifting fragile objects. The vibrations and force exerted during lifting can damage delicate items. For fragile objects, specialized hoists or cranes with controlled movements and gentle handling capabilities are advised to ensure safety and prevent damage.

Q: How does the construction lift fall without electricity: Pull the manual release (or pedal release) to loosen the electric motor to loosen the brake, the lift will fall, and the speed localizer will die. It's not that professionals don't try "very dangerous"

Q: This question asks for a comparison between manual and automatic lifting systems used in construction equipment, highlighting their distinct features and operational differences.: Manual lifting systems in construction equipment rely on human effort to lift and move materials. They are often less expensive, require less maintenance, and are suitable for lighter loads or smaller-scale projects. However, they are labor-intensive, can be slower, and pose higher risks of injury due to the physical demands. Automatic lifting systems, on the other hand, use mechanical or electronic means to lift and move materials. They are more efficient, can handle heavier loads, and reduce the risk of injury by minimizing manual handling. These systems are often more expensive and require regular maintenance but offer precision, speed, and ease of operation, making them ideal for large-scale construction projects.

Q: This question asks for a comparison between lifting equipment used in indoor settings versus those used outdoors, focusing on their differences.: Indoor lifting equipment is designed for controlled environments, often smaller and more precise, with features like electric chain hoists or jib cranes. They are typically quieter, require less maintenance, and are suitable for tasks like assembly, manufacturing, and warehouse operations. Outdoor lifting equipment, such as gantry cranes or mobile cranes, is built to withstand harsh weather conditions, has higher load capacities, and is often used for construction, shipping, and heavy industry. These are more robust, may require more maintenance, and are designed for larger, heavier loads over uneven terrain.

Q: This question asks about the measures taken to guarantee the safety and reliability of lifting equipment prior to its use in construction.: To ensure that lifting equipment is safe and reliable before using it in construction work, several key steps must be taken. Firstly, regular inspections and maintenance are crucial to identify any potential issues or wear and tear. Secondly, all equipment should be thoroughly tested and certified by qualified personnel to meet safety standards. Thirdly, proper training for operators is essential to ensure they understand how to use the equipment safely. Additionally, having a comprehensive safety plan in place, including emergency procedures, can help prevent accidents. Lastly, using equipment from reputable manufacturers and ensuring all components are in good working order are also vital for maintaining safety and reliability.

Q: This question asks for methods to reduce the time a lifting device, such as a building hoist, is not operational and the expenses associated with its upkeep.: Minimizing downtime and maintenance costs for lifting equipment, including building hoists, involves a combination of proactive measures and regular maintenance. Implement a preventive maintenance schedule to address potential issues before they cause significant downtime. Use high-quality components to reduce the frequency of repairs. Train operators to handle equipment correctly and perform basic troubleshooting. Regularly inspect and lubricate moving parts to prevent wear and tear. Implement a condition monitoring system to detect early signs of malfunction. Finally, keep spare parts readily available to expedite repairs and minimize downtime.

Q: This question asks about frequent issues related to building hoists and seeks solutions for these problems.: Common problems with building hoists include mechanical failures, electrical issues, overloading, and safety malfunctions. Mechanical failures can be fixed by regular maintenance, lubrication, and replacement of worn parts. Electrical problems may require checking wiring, connections, and replacing faulty components. Overloading can be prevented by strictly adhering to the hoist's weight limit and using load indicators. Safety malfunctions, such as brake failure, require immediate attention and may involve replacing brake pads or overhauling the braking system. Always ensure that hoists are used according to the manufacturer's guidelines and are regularly inspected by qualified personnel to prevent accidents and ensure safe operation.

Q: Is it possible to employ a building hoist for demolition purposes?: While a building hoist is primarily designed for construction purposes, such as lifting materials and personnel to different floors, it is not typically recommended for demolition work. Demolition requires specialized equipment that can handle the specific stresses and hazards associated with breaking down structures. Using a building hoist for demolition could be dangerous and may not comply with safety regulations. It's crucial to use equipment specifically designed for demolition tasks to ensure the safety of workers and the effectiveness of the operation.

Q: This question asks if building hoists can be utilized for extended periods of time in construction projects.: Building hoists are generally designed for temporary use in construction projects, facilitating the movement of materials and personnel. They are not intended for long-term operations. Their design and safety features cater to the specific needs of construction phases, which are temporary by nature. For permanent installations or long-term material handling, other types of elevators or lifts are more suitable. It is crucial to adhere to the manufacturer's guidelines and local regulations regarding the use and duration of operation for building hoists to ensure safety and compliance.

Q: What are the expenses involved in buying and maintaining a building hoist?: The costs of purchasing and operating a building hoist include the initial purchase price, which can range from $10,000 to $50,000 depending on the model and capacity. Operating costs involve maintenance, which may be around $1,000 to $5,000 per year, and electricity for operation, which can vary based on usage. Additionally, there may be costs for installation, insurance, and potential repairs. Labor costs for operating the hoist should also be considered, as well as costs for compliance with safety regulations. These costs can vary widely based on location, the specific hoist model, and the scale of operations.

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