TB/T 3507-2018 in English
VALIDWagons body assembly-Hopper wagons bottom door opening and closing system
- Issued on:2018-06-05
- Implemented on:2019-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
| Standard No: | TB/T 3507-2018 |
| Document status: | VALID |
| Title in English: | Wagons body assembly-Hopper wagons bottom door opening and closing system |
| Title in Chinese: | 铁路货车车体组件 漏斗车底门开闭系统 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2018-06-05 |
| Implemented on: | 2019-01-01 |
| Professional Classification: | TB-Railway Transport |
| Related Keywords: | closing system
bottom door opening closing system introduction interpretation system composition structural type key parameters door opening |
| Related Topics: | truck
end Truck battery pack as3507 body railway wagon TB/T 3474.2-2018 bucket truck Component open circuit test door pulley tb/t3539-2018 |
Introduction
Interpretation of the core content of the standard
This standard specifies the technical requirements for the full life cycle of the bottom door opening and closing system of railway hopper cars, with the focus on:
| System composition | Structural type | Key parameters | Applicable scenarios |
|---|---|---|---|
| Transmission mechanism | Top lock type/connecting rod type/pull-out type | Eccentricity ≥15mm | Grain/ore transportation |
| Control device | Manual/pneumatic/electrical control | Torque ≤80N·m | Marshalling yard/dedicated line |
Key technical requirements
1. Material specifications
- Steel: Meet the requirements of GB/T 700 carbon structural steel or TB/T 1979 weathering steel
- Castings: Mechanical properties must meet the ZG200-400 grade of GB/T 11352
- Coating on food contact parts must pass GB 4806.10 food safety certification
2. Performance indicators
Typical test data: The leakage of the pneumatic control pipeline at a pressure of 500kPa in 1 minute is ≤5kPa, and the pressure rise time of the air supply system from 0→420kPa is ≤20 minutes
Implementation suggestions
- Preferably use the modularly designed top-lock transmission mechanism, which has better self-locking reliability
- The layout of pneumatic piping should follow the principle of "short, straight and less bends" to reduce the use of 90° elbows
- Regular maintenance should focus on checking the wear of the transmission shaft bracket and the status of the anti-loosening device
Standard Evolution Analysis
Main improvements compared to the old version: Added electronic control interface requirements, Strengthened anti-misoperation design, Cleared food transportation hygiene standards
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