Views: 4 Author: Site Editor Publish Time: 2026-04-09 Origin: Site
Q1: What exactly is a Luffing Jib Crane, and how does the EL15/22 work?
A: Unlike standard "hammerhead" cranes with a horizontal jib, a luffing jib crane like our EL15/22 can raise and lower its entire jib (arm). This "luffing" motion allows the crane to change its working radius by tilting the arm vertically rather than moving a trolley along a fixed track.
Q2: Why is the EL15/22 essential for congested construction sites?
A: In dense urban areas, space is limited by neighboring buildings or other cranes. The EL15/22 can "tuck in" its jib to a very high angle (up to 84.7°), significantly reducing its turning radius. This prevents the jib from swinging over private property (oversailing) or colliding with nearby structures.
Q3: What are the key technical specifications of the SYM EL15/22?
A: Here are the heavy-hitting stats for the QTD 120t·m (EL15/22) model:
Max Lifting Capacity: 6 Tons
Jib Length: Options for 30m, 35m, 40m, and 45m.
Tip Load: 2.2 Tons (at 45m).
Free Standing Height: Up to 52.05m.
Mast Section: Flexible options with L68A1 (2m x 2m) or L46A1 (1.6m x 1.6m).
Q4: What are the primary applications for this model?
A: The EL15/22 is the "Special Ops" of the crane world. It is perfectly suited for:
High-rise Skyscrapers: Where multiple cranes must work in close proximity.
Urban Infrastructure: Projects surrounded by power lines or existing buildings.
Bridge & Dam Construction: Where precise, heavy lifting in narrow zones is required.
Internal Climbing: It can be installed inside elevator shafts to climb with the building.
Q5: Why choose the SYM Brand? What are "Our Advantages"?
A: We don't just sell cranes; we provide a high-performance lifting ecosystem.
100% Original Parts: We ensure every component, from the L68A1 Mast to the Hoisting Mechanism, meets strict factory standards.
Global Experience: With 20+ years of expertise, we support clients from North America to Southeast Asia.
Rapid Delivery: We typically ship within 7–15 days after payment.
Comprehensive Support: We provide everything from fixing angles and cabins to full installation guidance by experienced engineers.
Frequently Asked Questions (FAQ)
Q: Can the EL15/22 be customized for my specific site height?
A: Yes! We offer multiple mounting possibilities, including stationary (fixing angles), chassis-mounted (traveling), and internal climbing configurations to reach heights well beyond the free-standing limit.
Q: What power supply is required for operation?
A: The standard configuration requires 380V 50Hz or 440V 60Hz, with a necessary electric power capacity of 110KVA.
Q: Is the crane safe to use in high winds?
A: Absolutely. The EL15/22 is designed with high-strength materials and features a "weathervaning" capability. When out of service, the jib is placed at a specific angle to safely rotate with the wind, reducing structural stress.
Q: How do I get a quote or see the factory?
A: We welcome visits to our facility in Shenyang, China! If you can't travel, we offer live stream factory tours so you can inspect our production quality in real-time.
