tower crane with luffing jib Safety Certifications
When it comes to ensuring the safety of tower cranes with luffing jibs, multiple certifications and standards are essential. These certifications adhere to international and regional safety regulations to mitigate risks associated with lifting and construction activities.
1. ISO Certification: The International Organization for Standardization (ISO) sets globally recognized standards. ISO 9001 focuses on quality management, while ISO 45001 targets occupational health and safety management systems. Implementing these standards helps ensure the crane’s operational safety and efficiency.
2. CE Marking: For cranes operating within the European Union, the CE marking indicates compliance with the EU’s Machinery Directive 2006/42/EC. This certification confirms that the crane meets essential health and safety requirements.
3. ASME B30.3: The American Society of Mechanical Engineers (ASME) B30.3 standard provides guidelines specific to tower cranes, covering construction, installation, operation, and maintenance. Compliance with ASME B30.3 is crucial for safe crane operation in the U.S.
4. EN 14439: This European Standard specifies safety requirements for tower cranes, including those with luffing jibs. It addresses various aspects such as load lifting capacities, stability, and safety devices.
5. OSHA Regulations: In the United States, compliance with Occupational Safety and Health Administration (OSHA) standards is mandatory. OSHA ensures workplace safety by regulating crane operator qualifications, inspection protocols, and safety measures.
6. LOLER and PUWER: In the UK, the Lifting Operations and Lifting Equipment Regulations (LOLER) and Provision and Use of Work Equipment Regulations (PUWER) apply. These set requirements for safe lifting operations and the safe use of equipment, respectively.
7. Third-Party Inspections and Certifications: Periodic audits and inspections by accredited third parties are crucial for maintaining safety standards. These assessments ensure that the crane meets all relevant safety regulations and is in optimal operating condition.
Adhering to these certifications and standards not only ensures legal compliance but also significantly reduces the risk of accidents, thereby safeguarding both personnel and equipment.
List Reference Technical Parameters of “tower crane with luffing jib”
A tower crane with a luffing jib is a type of crane commonly used in construction, especially for urban environments with restricted space. Here are the reference technical parameters you should consider:
1. Maximum Load Capacity:
– Indicates the maximum weight the crane can lift.
– Often ranges between 8 to 64 tons.
2. Maximum Jib Length:
– Refers to the horizontal length of the jib.
– Typically varies between 30 to 70 meters.
3. Luffing Range:
– The angle range through which the jib can move up or down.
– Usually between 15° to 85°.
4. Maximum Height Under Hook:
– The maximum height at which the hook can operate.
– Can reach up to approximately 250 meters with mast extensions or tie-ins.
5. Trolley Travel Speed:
– The speed at which the trolley on the jib can move.
– Generally between 20 to 60 meters per minute.
6. Hoisting Speed:
– The speed at which the crane can lift the load vertically.
– Varies from 20 to 100 meters per minute depending on the load.
7. Slewing Speed:
– The speed at which the crane can rotate.
– Typically ranges from 0.5 to 1.0 revolutions per minute.
8. Power Supply:
– Electrical power specifications needed to operate.
– Commonly 400V/50Hz or variations depending on the region.
9. Wind Speed Tolerance:
– The maximum wind speed up to which the crane can safely operate.
– Usually up to 20 meters per second (72 km/h) for normal operations, with higher tolerance for non-operating conditions.
10. Foundation Requirements:
– Specifications for the base or anchoring system.
– Depends on the load and height, generally demanding strong concrete foundations or steel frame bases.
11. Control System:
– Type of control, often radio remote or cabin-based with advanced PLC systems.
These parameters are critical for ensuring the right selection, safety, and efficiency of a tower crane with a luffing jib in various construction projects.
List Product features of “tower crane with luffing jib”
A tower crane with a luffing jib offers specialized features that cater to the demands of construction sites with restricted spaces or high-rise projects. Below are the key product features:
1. Compact Design:
– Luffing jib cranes are designed for confined spaces with limited swing radius, making them ideal for urban construction sites.
2. Adjustable Jib Angle:
– The luffing jib can be adjusted vertically, allowing for precise positioning and efficient material handling even in congested environments.
3. High Load Capacity:
– Capable of lifting heavy loads, often meeting stringent project requirements for large-scale construction.
4. Height Adjustability:
– Tower cranes with luffing jibs can be extended to significant heights, accommodating the needs of tall structures.
5. Economical Use of Space:
– The luffing mechanism helps to minimize the space required for crane operations, optimizing the use of available area.
6. Advanced Safety Features:
– Equipped with safety measures such as overload protection, anti-collision systems, and precise control mechanisms to ensure the safety of operations and workers.
7. Efficient Power Use:
– These cranes are designed to optimize power consumption, enhancing operational efficiency and reducing energy costs.
8. Remote Control Capabilities:
– Some models offer remote control options, improving operator convenience and reducing the need for manual intervention.
9. Durability and Reliability:
– Constructed with high-quality materials to withstand harsh construction environments, ensuring longevity and dependability.
10. Ease of Assembly and Disassembly:
– Designed for quick setup and dismantling, facilitating smooth transitions between project phases.
11. Versatile Applications:
– Suitable for various construction tasks including tall buildings, bridges, and other large-scale infrastructure projects.
12. Integration with Modern Technology:
– Often equipped with digital interfaces for monitoring and controlling operations, allowing for real-time data analysis and operational adjustments.
These features make tower cranes with luffing jibs a versatile and highly efficient solution for complex construction tasks, particularly in urban and high-rise scenarios.
List Application of “tower crane with luffing jib”
A tower crane with a luffing jib is an essential piece of equipment in various construction and heavy lifting scenarios due to its unique capabilities. Here are some key applications of such cranes:
1. Urban Construction:
– High-rise Buildings: Its compact slewing radius allows it to work in confined spaces typical of urban environments.
– Tight Sites: Ideal for locations with restricted space, maneuvering around existing structures without impeding nearby traffic or other cranes.
2. Heavy Lifting:
– Industrial Projects: Used for the assembly of large plant components, machinery, and industrial equipment requiring significant lifting capacity.
– Shipping Ports: Handy for loading and unloading heavy and oversized cargo where precise placement is crucial.
3. Infrastructure Development:
– Bridges and Tunnels: Effective in lifting and placing heavy segments accurately in complex infrastructure projects.
– Power Plants: Suitable for transporting and installing large structural elements of power facilities.
4. Marine Construction:
– Dockyards and Shipyards: Crucial for constructing maritime structures and ships, allowing for precise positioning of large sections.
– Offshore Platforms: Employed in the construction and maintenance of offshore oil rigs and wind farms.
5. Refineries and Chemical Plants:
– Component Installation: Facilitates the installation and maintenance of large, heavy components that require precise handling due to safety concerns.
6. Stadiums and Arenas:
– Complex Structures: Useful in the construction of large, complex structures with a need for heavy material lifting in tight spaces and difficult angles.
7. Prefabrication:
– Module Assembly: Efficient in assembling prefabricated modules in demanding environments where traditional cranes might struggle.
8. Renovation Projects:
– Heritage Sites: Employed in the delicate handling of materials during the renovation of historical buildings.
These applications demonstrate the versatility and critical role of tower cranes with luffing jibs in modern construction and industrial activities. Their ability to lift heavy loads with precision in confined and complex environments makes them indispensable.
List Various Types of “tower crane with luffing jib”
Tower cranes with luffing jibs are widely used in construction projects, particularly in urban areas where space is limited. These cranes feature a jib that can be angled vertically, providing greater flexibility and efficiency in confined spaces. Here are some common types:
1. Hydraulic Luffing Jib Tower Crane:
Utilizes hydraulic systems to adjust the jib angle. Offers precise movement and requires less manual intervention.
2. Mechanical Luffing Jib Tower Crane:
Adjusts the jib angle using a mechanical drive system, typically comprising motors and gears. Known for durability and robustness.
3. Topless (Flat-top) Luffing Jib Tower Crane:
Lacks a tower head, simplifying assembly and disassembly. Ideal for sites with multiple cranes to avoid overlapping and colliding jibs.
4. Electric Luffing Jib Tower Crane:
Powered by electric motors to luff the jib. Provides quiet operation and is often more energy-efficient.
5. Self-Erecting Luffing Jib Tower Crane:
Designed for quick assembly and dismantling, featuring built-in mechanisms for self-erection. Suitable for small to medium-sized projects.
6. Hammerhead Luffing Jib Tower Crane:
The jib can move up and down and rotate, offering a wide range of motion. Commonly used for heavy lifting in tight spaces.
7. Mobile (Truck-Mounted) Luffing Jib Tower Crane:
Features a luffing jib mounted on a truck chassis, offering mobility and ease of transport between sites.
Each type caters to specific construction needs, balancing factors like lifting capacity, jib length, and ease of assembly. Proper selection enhances efficiency, safety, and adaptability on construction sites.
tower crane with luffing jib Accessories Upgrades and Custom Manufacturing Options
For modern construction projects, tower cranes with luffing jibs are indispensable due to their versatility and ability to operate in constrained spaces. To enhance their performance, various accessories, upgrades, and custom manufacturing options are available.
Accessories:
1. Anti-Collision Systems: Prevents crane collisions on busy construction sites by providing real-time monitoring and automatic adjustments.
2. Load Indicators: Real-time display of weight being lifted, ensuring operations stay within safe limits.
3. Wind Speed Indicators: Alerts operators to high wind conditions that could affect crane stability and safety.
4. Camera Systems: Enhances visibility of blind spots, ensuring precise and safe lifting operations.
5. Lighting Kits: Improves visibility during night operations, enhancing safety and efficiency.
Upgrades:
1. Remote Control: Allows for more precise operation from a distance, reducing the risk to the operator.
2. Advanced VFD Motors: Variable frequency drive motors offer smooth operation and enhanced energy efficiency.
3. Extended Jib Reach: Customizable jib lengths for increased coverage of the construction area.
4. Improved Load Capacity: Structural reinforcements and upgraded components to handle heavier loads.
5. Enhanced Safety Features: Upgraded brakes, redundant control systems, and advanced monitoring for improved operational safety.
Custom Manufacturing Options:
1. Tailored Jib Designs: Specific angles and lengths to suit unique project requirements and site constraints.
2. Bespoke Base Frames: Custom-engineered to fit specific ground conditions and structural needs.
3. Specialized Hook Blocks: Designed for unique lifting requirements, such as dual hooks or higher capacity.
4. Noise Reduction Solutions: Custom insulation and damping solutions to minimize noise pollution.
5. Custom Paint and Branding: Corporate colors and logos for brand visibility and aesthetics.
These enhancements not only boost the crane’s performance but also improve operational safety, efficiency, and overall lifespan, making them invaluable assets on contemporary construction sites.
List Quality Control and The Manufacturing Process of “tower crane with luffing jib”
Quality Control and Manufacturing Process of Tower Cranes with Luffing Jib
Manufacturing Process:
1. Design and Engineering:
– Initial phase involving CAD modeling and structural analysis.
– Compliance with safety standards and load specifications.
2. Material Procurement:
– High-strength steel and specific alloys are sourced.
– Quality material suppliers are chosen to ensure consistency.
3. Fabrication:
– Steel cutting and shaping using CNC machines for precise dimensions.
– Welding of critical components, followed by ultrasonic and radiographic testing.
4. Machining:
– Precision machining of gears, bearings, and other moving parts.
– Parts undergo heat treatment to enhance durability.
5. Assembly:
– Pre-assembled modules like jib sections, mast sections, and machinery housing.
– Integration of electrical and hydraulic systems.
– Complex components like the winch and slewing assembly are mounted.
6. Surface Treatment:
– Sandblasting to remove impurities.
– Multi-layer anti-corrosion painting and coating.
7. Testing and Calibration:
– Load testing to ensure structural integrity.
– Calibration of control systems and safety mechanisms.
8. Final Inspection:
– Comprehensive inspection covering all aspects of the crane.
– Verification against design specifications and regulatory standards.
Quality Control Procedures:
1. Inspection of Raw Materials:
– Chemical and mechanical property tests.
– Traceability documentation for each batch.
2. In-process Inspections:
– Dimensional checks during fabrication.
– Regular checks on welding quality and alignment.
3. Non-destructive Testing (NDT):
– Ultrasonic, radiographic, and magnetic particle inspections.
– Surface and sub-surface defect detection.
4. Assembly Verification:
– Functional tests for assembled modules.
– Hydraulic and electrical system performance assessments.
5. Load Testing:
– Simulation of real-world load conditions.
– Assessment of operational stability and control responsiveness.
6. Final Quality Audit:
– Audit by quality assurance team.
– Documentation of all tests and inspections.
7. Pre-shipment Inspection:
– Verification of packaging and transportation readiness.
– Ensuring all parts are securely fastened and labeled.
Through these rigorous processes and quality control measures, the reliability and safety of tower cranes with luffing jibs are ensured, meeting both client requirements and regulatory standards.
How to use “tower crane with luffing jib”
A tower crane with a luffing jib is specifically designed for construction sites with restricted space, as it offers greater flexibility and precision in lifting heavy loads. Here’s a guide on how to use it effectively:
1. Site Preparation: Ensure the construction site is properly prepared. This includes a stable foundation and clear space for crane installation.
2. Assembly: Follow the manufacturer’s instructions to assemble the crane. This typically involves erecting the mast sections, attaching the jib and counter-jib, and setting up the hoisting mechanism.
3. Inspection: Conduct a thorough safety inspection. Check for any mechanical issues, ensure all bolts and connections are secure, and verify the stability of the base.
4. Operation:
– Controls: Familiarize yourself with the control panel, which includes joysticks for jib and hoist movements.
– Luffing Jib Movement: The luffing jib can move up and down, allowing you to adjust the angle to fit tight spaces. Practice smooth and controlled luffing to maintain balance.
– Hoisting: Use the hoist controls to lift and lower loads. Ensure the load is securely attached and evenly balanced.
– Slewing: The crane can rotate around its mast. Operate the slewing mechanism to position the load accurately.
5. Communication: Maintain clear communication with ground staff using hand signals or radio communication. This ensures precision and safety while maneuvering loads.
6. Safety Measures: Always adhere to weight limits and operational guidelines. Wear appropriate safety gear and ensure all personnel are aware of crane movements.
7. Shutdown: At the end of the day, lower the jib to its resting position and secure the crane. Conduct a quick inspection to ensure no damage has occurred during operations.
By following these steps, you can effectively and safely use a tower crane with a luffing jib on your construction site.
“tower crane with luffing jib” Comparative Analysis
A tower crane with a luffing jib is a specialized type of crane primarily used in urban construction projects or confined spaces. The luffing jib differentiates itself from standard tower cranes by its ability to move its jib—or horizontal arm—up and down. This capability offers specific advantages and disadvantages in comparison to other types of tower cranes.
Advantages
1. Space Efficiency:
– Reduced Swing Radius: The luffing motion allows the jib to have a shorter horizontal reach when necessary, which is essential in densely packed urban settings where space is constrained.
– Height Flexibility: The ability to luff enables the crane to avoid obstacles like other cranes, buildings, or trees, making it suitable for complex construction environments.
2. Load Handling:
– Heavy Loads: Luffing jib cranes can generally handle heavier loads closer to the mast compared to a standard tower crane with a fixed horizontal jib.
– Precision: The vertical luffing motion provides more precise control over where loads are placed, which is beneficial in tight construction areas.
Disadvantages
1. Complexity and Cost:
– Higher Costs: These cranes are typically more expensive to purchase, rent, and operate due to their complex mechanics.
– Maintenance: The intricate luffing mechanism requires more frequent and meticulous maintenance, adding to operational costs and downtime.
2. Operational Constraints:
– Limited Horizontal Reach: Compared to traditional tower cranes with long, fixed jibs, luffing jib cranes have a shorter horizontal reach, which can be a limitation in expansive project sites.
– Operation Complexity: Operators require specialized training to manage the additional movement capabilities effectively, which adds to training costs and the timeline for worker readiness.
Final Thoughts
The choice between a luffing jib tower crane and a traditional tower crane largely depends on the project’s specific requirements. If operating in tight, urban spaces with significant height and heavy load demands, a luffing jib crane may offer distinct advantages. However, for more expansive projects where horizontal reach and cost efficiency are prioritized, a traditional tower crane may be more suitable.
“tower crane with luffing jib” Warranty and Support
Warranty and Support for Tower Crane with Luffing Jib
Warranty:
Our tower cranes with luffing jib come with a comprehensive warranty to ensure your investment is protected. This warranty covers manufacturing defects, structural integrity, and major component failures under normal operating conditions for a period of 24 months from the date of installation. Specific parts such as motors, hydraulic systems, and electronic components are warranted for 12 months. Wear and tear items, routine maintenance parts, and consumables are excluded from this warranty. The warranty is void if the crane is used beyond its specified load and operating conditions, or if unauthorized modifications are made.
Support:
We provide robust after-sales support to maximize the efficiency and uptime of your tower crane. Our support services include:
1. 24/7 Customer Service: Our dedicated support team is available around the clock to address your queries and concerns. You can reach us via phone, email, or our online support portal.
2. On-site Service: Our skilled technicians are available for on-site inspections, repairs, and preventive maintenance. These visits ensure your crane is operating safely and efficiently.
3. Spare Parts Availability: We maintain a substantial inventory of genuine spare parts to minimize downtime and ensure quick repairs. Parts can be shipped directly to your location with flexible delivery options.
4. Remote Diagnostics: Advanced diagnostic tools allow us to troubleshoot issues remotely, reducing the need for on-site visits and enabling quick solutions to common problems.
5. Training: We offer extensive training programs for your operators and maintenance personnel, covering safe operation practices, troubleshooting, and routine maintenance.
By choosing our tower crane with a luffing jib, you not only receive a high-quality product but also extensive warranty and support services designed to keep your operations running smoothly.
List “tower crane with luffing jib” FAQ
Tower Crane with Luffing Jib FAQ
1. What is a tower crane with a luffing jib?
A tower crane with a luffing jib features an adjustable jib that can move up and down, unlike a fixed horizontal jib. This design allows for greater flexibility and is particularly useful in congested construction sites.
2. How does a luffing jib differ from a hammerhead jib?
While a hammerhead jib moves horizontally, a luffing jib can tilt vertically. This means luffing jibs require less horizontal space, making them ideal for urban environments or confined spaces.
3. What are the advantages of using a luffing jib tower crane?
– Space Efficiency: Requires less horizontal clearance.
– Flexibility: Can operate in tighter conditions.
– Load Capacity: Often has a higher load capacity compared to hammerhead jibs.
4. What are the typical applications for these cranes?
They’re used in dense urban settings, sites with multiple cranes, and high-rise construction projects where space is at a premium.
5. What is the typical lifting capacity of a luffing jib tower crane?
Lifting capacity varies by model, but they can often lift between 10 to 60 tons, subject to specific crane specifications and configurations.
6. What factors should be considered when selecting a luffing jib crane?
– Reach and Height: Ensure it meets project requirements.
– Load Capacity: Confirm it can handle the maximum load.
– Site Conditions: Consider space constraints and overlapping cranes.
7. Are there any disadvantages to luffing jib cranes?
– Cost: Typically more expensive than hammerhead cranes.
– Complexity: More moving parts may require higher maintenance.
8. How do you operate a luffing jib tower crane safely?
– Training: Operators must be trained and certified.
– Inspection: Regular maintenance and inspections are crucial.
– Environment: Monitor weather conditions to avoid unsafe operations.
9. Do luffing jib cranes have any unique installation requirements?
Yes, due to their complexity, they often require specialized assembly and disassembly procedures, typically performed by skilled personnel.
10. What are the power sources for these cranes?
They usually run on electric power, either from the grid or from onsite generators.
Top 10 FAQ with answer about tower crane with luffing jib for Buyer Sourcing from China
Certainly! Here are the top 10 frequently asked questions (FAQs) about sourcing a tower crane with a luffing jib from China, with concise answers:
1. What is a luffing jib tower crane?
– A luffing jib tower crane has a jib that can be raised or lowered (luffed) to avoid obstacles and work in tight spaces.
2. Why should I consider buying a luffing jib tower crane from China?
– China offers cost-effective pricing, high-quality manufacturing standards, and a wide array of options tailored to various construction needs.
3. What are the key specifications to consider?
– Load capacity, maximum and minimum jib length, working radius, lifting height, speed of luffing and hoisting, and base type.
4. What certifications should the crane have?
– CE certification (Conformité Européenne), ISO quality standards, and any other regional safety certifications relevant to your location.
5. How long is the delivery time from China?
– Typically, it ranges from 30 to 60 days, depending on the manufacturer, customization, and shipping conditions.
6. What is the warranty period for these cranes?
– Most manufacturers offer a warranty ranging from 1 to 2 years, covering parts and manufacturing defects.
7. Are spare parts readily available?
– Yes, many Chinese manufacturers provide a steady supply of spare parts and components, often with quick shipping options.
8. Can I inspect the crane before purchasing?
– Inspections are highly encouraged. You can either visit the factory in China or hire a third-party inspection service.
9. What about after-sales support?
– Reputable manufacturers offer comprehensive after-sales support, including installation guidance, troubleshooting, and maintenance services.
10. How do I ensure the quality and reliability of the crane?
– Research manufacturers thoroughly, check reviews and references, and opt for those with international quality certifications and a proven track record in the industry.
These FAQs cover the critical aspects of sourcing a luffing jib tower crane from China, ensuring a smooth purchase process and operational efficiency.
