GB/T 38955-2020Carbon contact strips for urban rail transit vehicles (English PDF)

3.1 Carbon skateboards carboncontactstripsforurbanrailtransitvehicles for urban rail vehicles

Also known as carbon skateboards for urban rail transit vehicles, hereinafter referred to as carbon skateboards. In the urban rail transit system, the contact network on the train and vehicle

Or the integral structure formed by the carbon material of the power rail for obtaining electrical energy is permanently fixed on the support structure (bracket).

4.1 Technical requirements for the appearance of charcoal skateboards

4.1.1

The size and weight of the charcoal slide meet the user requirements.

4.1.2

The working surface of the charcoal slide plate should be smooth, and there should be no obvious defects such as cracks and falling blocks.

4.1.3

The carbon strip and the metal pallet on the carbon slide plate should be firmly bonded, and the bolts on the carbon slide plate should be firmly fixed. The metal pallet should not be deformed.

4.2 Technical performance of carbon strip

4.2.1

The technical performance of the pantograph charcoal slide carbon strip shall meet the requirements of Table 1.

Table 1 Performance of pantograph charcoal skateboard carbon strip project name

Index requirements

Pure carbon material impregnated metal carbon material composite carbon material

Bulk density/(g/cm3) <=1.80 <=4.0 <=2.8

Flexural strength/MPa >=30 >=50 >=60 […]