Double Girder Rope Hoist

Stronghold’s Double Girder Wire Rope Hoist is designed for high-capacity lifting applications and seamless integration with double girder crane systems. Engineered for European-style compactness and performance, it offers superior lifting height by positioning the hoist between the girders, maximizing vertical space utilization.

With precise load handling, optimized hook travel, and robust cross-travel control, this hoist ensures reliable performance under demanding conditions. Its advanced design reduces stress on crane structures and eliminates the need for bulky counterweights through a balanced trolley system. Built with high-strength structural steel and precision-machined components, it delivers unmatched durability, stability, and lifting efficiency.

Standard Specifications

 

Capacity Range 5 tons to 15 tons
Classification M5
Lifting Speed (m/min) 4.0 – 1.0 (Frequency Controlled)
Cross Travel Speed (m/min) 20.0 – 5.0 (Frequency Controlled)
Power Supply 415V, 3 Phase, 50Hz, AC supply
Control Supply 24V DC
Ambient Temp. 50°C Max
Application Indoor use
Brake type Electromagnetic Disc Brake – AC/DC
Hook Assembly Single Swivel type conforming to DIN 15400
Rope Drum Seamless Pipe grooved as per DIN 15061

 

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Engineered Advantages

1. Gearbox

  • 3-Stage helical hardened gears offer smooth, efficient power transmission, with high durability.
  • Reduced noise operation ensures quiet lifting cycles, suitable for indoor and sensitive environments.
  • Oil-lubricated and sealed gearbox reduces maintenance needs and extends operational life.

2. Hoisting Motor

  • Specially designed for hoisting, ensuring, optimal torque, duty cycle, and performance under lifting loads.
  • Electromagnetic liner fail-safe brake tested for over a 1 million cycles, guaranteeing reliable and safe stopping.
  • Equipped with thermal and brake wear sensors to provide advanced safety and prevent overheating or brake failure.

3. Rope Drum

  • Specially designed for easy assembly and lightweight construction, simplifying installation and maintenance.
  • Incorporates a roller-based design that reduces wear on the drum surface, significantly increasing its operational lifespan.

4. Rope Guide

  • Specially designed for easy assembly and lightweight construction, simplifying installation and maintenance.
  • Incorporates a roller-based design that reduces wear on the drum surface, significantly increasing its operational lifespan.

5. Hook Assembly

  • Single shank swivel hook allows smooth 360° rotation, improving load handling flexibility.
  • Heavy-duty safety latch ensures secure lifting and prevents accidental unhooking.
  • High-capacity roller thrust bearing enables smooth rotation under full load with minimal friction.

6. Wire rope

  • 6×36, steel core construction offers excellent strength, flexibility, and corrosion resistance.
  • Made with 2160-grade high tensile steel, ensuring superior load-bearing capacity and durability.
  • Flexible design minimise wear on the rope drum, extending both rope and drum life during frequent lifting operations.

7. VFD

  • Custom acceleration and breaking profiles ensure smooth and controlled lifting and lowering.
  • Minimizes vibration, jerks, and mechanical impacts, protecting both load and equipment.
  • Compact space-saving design integrates easily within control panels.
  • Built-in electrical overload protection enhances operational safety and equipment longevity.

8. Limit Switches

  • High-quality, reliable components design for industrial-duty performance.
  • Hoisting limit switch prevents over-lifting or over-lowering safeguarding rope and motor.
  • Dual-stage CT limit switch offers enhanced safety and allows better coverage near girder ends.

9. Travel Wheels

  • Single flange wheels with high-precision machining, hardened and blackodized for superior wear resistance.
  • Premium bearings ensure long-lasting, smooth, and quiet travel.
  • Designed for easy removal and maintenance, reducing downtime during service.

10. Overload Protection

  • Mechanical overload limiter ensures safe lifting by preventing operation beyond rated capacity.
  • Precision-tested spring mechanism is carefully calibrated for consistent and reliable performance.

Intelligent Safety Solutions

At stronghold, safety is not just a commitment; it’s our foundation. Our hoists integrate state-of-the-art safety features, guaranteeing reliable, secure, and high-performance operation across diverse industrial applications. Key safety features include:

Hinged End Carriages

  • Reduces stress from uneven rails

Overload Limit Switch

  • Prevents excessive load handling

Motor Overload Protection

  • Protects against overheating.

Hoisting Limit Switch

  • Prevents over travel for precise lifting.

Cross travel limit switch

  • Controls movement accuracy.

Motor brake wear sensor

  • Disables lifting if brake wear is excessive.

Hoist

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