Insulated Spider Lift (Full English Translation, Professional Industry Version)

Insulated spider lift, also known as track-mounted insulated aerial bucket truck / spider-type aerial work platform, is a lightweight insulated live-line working aerial equipment specially designed for complex terrain and narrow spaces. It gets its name because its four outriggers extend outward in a spider-like shape (Zhuzhou Evening News E-paper). It is core special equipment for the power system to implement uninterrupted power supply live-line operations.

I. Core Structure & Features

Travel & Support System

Tracked chassis: Compact and lightweight (generally 3–4 tons), with low ground pressure, capable of driving on unpaved roads such as muddy ground, farmland and mountainous areas.

Spider-type outriggers: Four independently telescopic hydraulic outriggers. Fully extended during operation, they deliver excellent stability and adapt to uneven ground (Zhuzhou Evening News E-paper).

Compact body: The vehicle width is only about 1.1 meters, allowing passage through narrow alleys, farm ridges and indoor doorways.

Insulation & Operating System

Multi-stage insulating boom: Made of insulating composite materials (e.g. fiberglass reinforced plastic) with reliable insulation performance. Common insulation classes range from 10kV to 220kV.

Articulated hybrid boom: Multi-joint folding & telescopic structure with high operational flexibility; working height is generally 10–25 meters.

Insulated working bucket: Can carry 1–2 operators for close-range live-line operations.

Main Advantages

Excellent terrain adaptability: Superior to traditional vehicle-mounted insulated aerial bucket trucks, solving the problems of inaccessible and unstable operation in farmland, mountainous areas and urban narrow alleys.

Uninterrupted power operation: Effectively ensures power grid supply reliability and realizes zero power outage perception for users.

High flexibility & efficiency: Supports remote control, rapid deployment and is suitable for emergency repair operations (Zhuzhou Evening News E-paper).

High safety: Equipped with multiple safety systems including insulation protection, inclination alarm and load limiting protection.

II. Main Applications

Power Industry (Primary Application)

• Live-line maintenance of 10kV distribution network lines, replacement of insulators, switches and transformers.
• Power grid maintenance in complex terrain including mountainous areas, farmland and swamps.
• Live-line operations in urban narrow alleys, residential areas and industrial parks.

Other Applications

Landscaping pruning, municipal facility maintenance, indoor high-altitude installation (low ground load requirement), maintenance of large venues and workshops.

III. Typical Technical Parameters (Reference)

Working height: 10–24m

Rated load: 200–250kg

Insulation class: 10kV / 35kV / 110kV / 220kV

Total vehicle weight: 3.0–4.5 tons

Outrigger span: Transverse 2.5–4.5m, longitudinal 2.5–4.0m

Power system: Diesel engine / battery motor (hybrid power)