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

Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with one of biggest warhouses about stringing tools for trasmission line construction for one-site purchase in China.

Now our goods export to 120 countries and we have more than 3000 clients. Our detailed product range include conductor stringing blocks,cable roller,hoisting tackles,pulley blocks,conductor grippers,cable reel stand,gin poles,inspection trolleys,hydraulic puller tensioner,conductor compressors,cable pulling winch,anti twisting wire steel rope and other construction tools and equipment company for electric power construction.

1) The company is equipped with high precision vertical machining center, horizontal machining center, CNC honing machine, CNC lathe, CNC milling machine and other advanced equipment, also equipped with a large horizontal lathe, lathe, punching machine, rocker large crane and polishing machine, electric welding machine and other general equipment, and the design and manufacture of nylon wheel casting machine and other special processing equipment and technology install.

2) The company's existing testing methods are in good condition, detection equipment is advanced and complete, the company set up the measurement room, laboratory, equipped with a horizontal tensile testing machine, tensile testing, vertical lifting tower hydraulic universal testing machine, hardness tester, salt spray test machine, hydraulic integrated test and testing equipment, from raw material incoming inspection to the factory inspection of products, can fully guarantee the quality control of parts and product performance.

3) The professional R & D capability is the premise of product innovation and technological progress. Many products of the group have their own intellectual property rights. They have obtained 6 invention patents, nearly 20 patents on utility models and designs. And many times included in the Ningbo municipal new product trial production plan and the national key new product plan.

On the basis of the implementation of the ISO9000 quality system management, the company carries out the special TS16949 management system of the automobile industry at a higher level.Welcome to Inquiry,please do not hesitate to contact me soon. Best regards,Peter Mao!