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GB/T 38955-2020: Carbon contact strips for urban rail transit vehicles
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38955-2020 | English | 189 |
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Carbon contact strips for urban rail transit vehicles
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GB/T 38955-2020
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Basic data | Standard ID | GB/T 38955-2020 (GB/T38955-2020) | | Description (Translated English) | Carbon contact strips for urban rail transit vehicles | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q53 | | Classification of International Standard | 29.050 | | Word Count Estimation | 10,158 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2020-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38955-2020: Carbon contact strips for urban rail transit vehicles---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Charcoal skateboard for urban rail transit vehicles)
ICS 29.050
Q53
National Standards of People's Republic of China
Charcoal skateboard for urban rail transit vehicles
2020-06-02 release
2020-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China Iron and Steel Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
This standard was drafted by. Datong Xincheng New Materials Co., Ltd., Metallurgical Industry Information Standards Institute, Beijing Jiaotong University, Southwest Jiaotong University
Tongtong University, Beijing CRRC Saide Railway Electric Technology Co., Ltd., Daqin Railway Co., Ltd. Hudong Power Engineering Department, Zhuzhou CRRC Times
Electric Co., Ltd., Suzhou Rail Transit Group Co., Ltd., Guangzhou Metro Group Co., Ltd.
The main drafters of this standard. Zhang Peilin, Pang Zhonghai, Yuan Xia, Zhang Peimu, Zhang Jinjun, Zhao Jingmin, Zhang Riqing, Wu Jianjun, Qian Jingrong,
Ruan Mingli, Wang Zhihui, Zhang Zuowen, Ji Yongliang, Zheng Jingsu, Zhang Hongke, Gao Shuai, Wei Wenfu, Huang Sijun, Hao Youqing, Liu Xiong, Chen Wenguang, Chai Lichun,
Guo Zhihong, Yang Xiaofeng, Gao Xiaoliang, Ma Xinghua, Li Yi, Song Yubin, Zhao Yongping.
Charcoal skateboard for urban rail transit vehicles
1 Scope
This standard specifies the technical requirements, inspection methods, inspection rules, signs, packaging, and transportation of carbon skateboard products for urban rail transit vehicles
And storage.
This standard applies to charcoal skateboards for urban rail transit vehicles.
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 34572-2017 Test method for pantograph carbon skateboard of rail transit current receiving system
3 Terms and definitions
The following terms and definitions apply to this document.
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 Technical requirements
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
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