Ningbo Suntech Power Machinery Tools Co.,Ltd.

Ningbo Suntech Power Machinery Tools Co.,Ltd.

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Adjustable Rope Ladder Trolleys For Various Diameter Conductors​

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Ningbo Suntech Power Machinery Tools Co.,Ltd.
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City:ningbo
Country/Region:china
Contact Person:MrPeter Mao
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Adjustable Rope Ladder Trolleys For Various Diameter Conductors​

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Brand Name :Suntech
Model Number :TR-3A
Certification :ISO
Place of Origin :Ningbo
MOQ :1 PCS
Price :Negotiable
Payment Terms :L/C,T/T
Supply Ability :1000 PCS/Month
Delivery Time :3-5days
Packaging Details :Plywood Case
Name :Hanging Rope Ladder Inspection Trolleys
Item No. :22250B-22250Z1
Model :TR-3A
Feature :Single line
Length :1.2-1.8mm
Weight :4.5-8KG
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Adjustable Rope Ladder Trolleys For Various Diameter Conductors​


The ​​Hanging Rope Ladder Inspection Trolleys​​ are specialized equipment designed for safe and efficient inspection and maintenance of high-voltage power lines. These professional-grade trolleys provide secure attachment points for rope ladders, allowing utility workers to access overhead conductors while maintaining proper safety clearance.


​​Construction & Safety Features:​

  • ​​Frame Material:​​ High-strength aluminum alloy or fiberglass composite
  • ​​Wheels:​​ Non-conductive polyurethane or nylon rollers
  • ​​Attachment Mechanism:​​ Spring-loaded or screw-type conductor clamps
  • ​​Safety Lock:​​ Positive engagement system prevents accidental release
  • ​​Insulation:​​ Rated for 10kV to 36kV applications (customizable)
  • ​​Load Capacity:​​ 300 lbs (136 kg) working load
  • ​​Finish:​​ Powder-coated or anodized for corrosion resistance


​​Technical Specifications:​

  • ​​Conductor Compatibility:​​ 0.5" to 2.5" (12mm to 64mm) diameter
  • ​​Weight:​​ 4.4-8.8 lbs (2-4 kg) per trolley
  • ​​Standards Compliance:​​ ANSI Z359, OSHA 1910.269, IEC 61478
  • ​​Temperature Range:​​ -40°F to +140°F (-40°C to +60°C)
  • ​​Safety Factor:​​ 5:1 minimum breaking strength
  • ​​Wheel Diameter:​​ 3-5 inches (76-127mm)


​​Performance Advantages:​
✔ ​​Secure conductor attachment​​ prevents slippage
✔ ​​Smooth rolling action​​ for easy positioning
✔ ​​Non-conductive materials​​ ensure electrical safety
✔ ​​Durable construction​​ withstands harsh environments
✔ ​​Easy to install/remove​​ with one-hand operation
✔ ​​Compatible with standard rope ladders​

​​Professional Applications:​

  1. ​​Transmission line inspection​​ - visual and IR surveys
  2. ​​Live-line maintenance​​ - conductor repair and hardware replacement
  3. ​​Emergency repairs​​ - storm damage assessment
  4. ​​Substation work​​ - bus and equipment access
  5. ​​New construction​​ - line installation and tensioning


​Available Configurations:​

  • ​​Single wheel trolleys​​ for lighter applications
  • ​​Dual wheel trolleys​​ for increased stability
  • ​​Insulated models​​ for live-line work
  • ​​Heavy-duty versions​​ for bundled conductors
  • ​​Custom designs​​ for special applications


​​Why Choose Our Inspection Trolleys:​

  • Manufactured to IEEE 516 standards
  • Used by major utility companies
  • Field-tested by line crews
  • 2-year warranty against defects
  • Replaceable wear components

Technical Data

Item number

Height×Width

(mm)

22250B 1000x300


Adjustable Rope Ladder Trolleys For Various Diameter Conductors​

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