• Versatile Hoisting Point Block with 50-80KN Rated Load and 160-190mm Sheave Diameter for Various Lifting Configurations
  • Versatile Hoisting Point Block with 50-80KN Rated Load and 160-190mm Sheave Diameter for Various Lifting Configurations
  • Versatile Hoisting Point Block with 50-80KN Rated Load and 160-190mm Sheave Diameter for Various Lifting Configurations
  • Versatile Hoisting Point Block with 50-80KN Rated Load and 160-190mm Sheave Diameter for Various Lifting Configurations
  • Versatile Hoisting Point Block with 50-80KN Rated Load and 160-190mm Sheave Diameter for Various Lifting Configurations
Versatile Hoisting Point Block with 50-80KN Rated Load and 160-190mm Sheave Diameter for Various Lifting Configurations

Versatile Hoisting Point Block with 50-80KN Rated Load and 160-190mm Sheave Diameter for Various Lifting Configurations

Product Details:

Place of Origin: Ningbo
Brand Name: Suntech
Certification: ISO
Model Number: QHD-50

Payment & Shipping Terms:

Minimum Order Quantity: 1 PCS
Price: Negotiable
Packaging Details: Plywood Case
Delivery Time: 3-7days
Payment Terms: L/C,T/T
Supply Ability: 3000 PCS/Month
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Detail Information

Name: Hoisting Point Block Model: QHD-50
Rated Load: 50-80KN Sheave Dia: 160-190mm
Sheave Wid: 36-42mm Weight: 8-12KG
Highlight:

50-80KN Rated Load Hoisting Point Block

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160-190mm Sheave Diameter Lifting Block

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Versatile Lifting Configurations Rigging Block

Product Description

Versatile Hoisting Point Block for Various Lifting Configurations and Load Capacities


Item number Model

Rated Load

(KN)

Sheave Diameter(mm)

Sheave width

(mm)

Weight

(kg)

12131 QHD-50 50 160 36 8
12132 QHD-80 80 190 42 12


The Hoisting Point Block is a fundamental and indispensable rigging component designed to create a secure, efficient, and changeable lifting point on structures such as transmission towers, poles, or temporary gin poles. It typically consists of a robust sheave (pulley wheel) housed within a strong frame that is equipped with a secure attachment point, such as a shackle or hook. This device serves as the critical interface between the fixed structure and the running rope or cable of a hoisting system, allowing loads to be lifted, lowered, or pulled with mechanical advantage. By providing a smooth-rolling pivot that redirects force and minimizes friction, the hoisting point block enables crews to safely raise heavy equipment, tower sections, tools, and materials to great heights with controlled effort. It is a cornerstone tool for the erection, maintenance, and repair of overhead electrical infrastructure, where efficient and safe material handling at elevation is a daily requirement.


  • Creates Secure and Adaptable Lifting Points:​ The primary function is to establish a reliable anchor point for lifting on structures that may not have built-in lifting eyes. The block can be securely attached to crossarms, tower legs, or gin pole tops using slings, straps, or directly via its integrated hardware. This transforms any strong structural member into a functional hoisting point, providing tremendous flexibility in planning and executing lifts.


  • Enables Mechanical Advantage for Safer Lifting:​ A single hoisting point block can be used to change the direction of a pull, making it easier and safer to lift loads vertically from the ground. When used in a block-and-tackle system with multiple sheaves, it provides a mechanical advantage, significantly multiplying the effective pulling force. This allows crews to lift extremely heavy objects like transformers or large tower assemblies with controlled, manageable effort, reducing physical strain and the risk of overload.


  • Reduces Friction and Wear on Ropes:​ The sheave rotates on high-quality bearings, allowing the rope to run over it with minimal resistance. This dramatically reduces the friction and abrasion that would occur if the rope were dragged over a bare steel edge. Less friction means lower pulling force is required, the rope lasts longer, and the entire lifting operation is smoother and more predictable.


  • Essential for Transmission Tower Construction:​ The erection of lattice steel transmission towers relies heavily on hoisting point blocks. They are used at the top of gin poles (temporary derricks) to lift and guide tower sections, steel angles, and bolts into position hundreds of feet in the air. Their reliability is paramount for the precise, safe, and efficient assembly of these critical structures.


  • Facilitates Equipment and Material Handling:​ Beyond steel, hoisting point blocks are used daily to lift tools, insulators, conductor reels, and other materials to workers on poles or towers. They enable the efficient vertical transport of everything needed for construction and maintenance, eliminating the need for dangerous climbing with heavy loads and drastically improving worksite productivity.


  • Improves Worksite Safety and Control:​ A dedicated hoisting point block provides a controlled, engineered lifting point. It prevents improvisation with unsafe rigging methods. The smooth operation reduces the risk of loads swinging or jerking unexpectedly. The ability to use mechanical advantage also means less brute force is applied, minimizing the chance of rigging failure or loss of control.


  • Durable Construction for Demanding Environments:​ Built for the rigors of construction, these blocks are made from high-strength materials like forged steel or aluminum alloy, often with corrosion-resistant coatings. They are designed to withstand shock loads, UV exposure, and harsh weather, ensuring long-term reliability and safety over countless lifts.
  • Versatile for Various Rigging Setups:​ Hoisting point blocks are incredibly adaptable. They can be used in a simple configuration to change pull direction, or combined to create complex systems for lifting, lowering, and tensioning. This versatility makes them a core component of a professional rigger's toolkit, capable of addressing a wide array of lifting challenges on a power line job site.


  • A Foundational Investment in Lifting Capability:​ For any utility contractor or line crew, a set of quality hoisting point blocks is a foundational investment in capability. They enable the crew to tackle larger projects, work more efficiently, and most importantly, execute lifts safely. The return on investment is realized through reduced labor time, fewer accidents, and the ability to professionally complete complex overhead work.


  • A Standard Tool for Professional Overhead Work:​ The use of purpose-built hoisting point blocks is a standard practice and a mark of professionalism in the industry. It demonstrates a commitment to using the correct equipment for elevated work, adhering to safety standards, and ensuring that heavy lifting operations are performed with precision, control, and a primary focus on personnel safety.


In summary, the Hoisting Point Block is much more than a simple pulley. It is a force multiplier and a safety device that makes the impossible possible. By providing a reliable, low-friction interface between structure and rope, it forms the mechanical heart of safe and efficient lifting operations, playing an absolutely vital role in building and maintaining the electrical grid that powers our world.

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