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GB/T 23930-2023 in English

GB/T 23930-2023 in English

VALID

Tri-wheel vehicles—Steering gear

  • Issued on:2023-11-27
  • Implemented on:2024-06-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $250.00
$243.00
Standard No: GB/T 23930-2023
Document status: VALID
Title in English: Tri-wheel vehicles—Steering gear
Title in Chinese: 三轮汽车 转向器
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 2023-11-27
Implemented on: 2024-06-01
Superseding: GB/T 23930-2009 Tri-wheel vehicles and low-speed goods vehicles―Steering gear
ICS Classification: 65.060-Agricultural machines, implements and equipment
Chinese Classification: T54-Farm, livestock, by-product and fish vehicles
Professional Classification: GB-National Standard
Related Keywords: gear introduction national standard
tri-wheel vehicles
three-wheeled vehicles
gear assemblies
gear needs
Related Topics: Forward and reverse transfection
Three-wheeler emissions
About three-wheeler emissions
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Three-wheeler emissions
GBT23930
GB/T 23930-2009
steering gear
Three-wheeled dump truck design

《GB/T 23930-2023三轮汽车 转向器》由TC234(全国低速汽车标准化技术委员会)归口,主管部门为中国机械工业联合会。


Introduction

National Standard of the People's Republic of China GB/T 23930—2023

In-depth analysis of technical requirements and test methods for three-wheeled vehicle steering gears

I. Background and significance of standard revision

GB/T 23930—2023 "Steering gear for three-wheeled vehicles and low-speed trucks" is a major update to the original standard. The main revisions include:

  • Changes to the scope and technical requirements
  • Adjustments to transmission efficiency and input torque indicators
  • Added durability test requirements
  • Optimization of test methods and inspection rules

II. Key points of technical requirements

This standard applies to three-wheeled vehicle steering gear assemblies of recirculating ball, rack and pinion, and worm roller types.

Technical indicators Recirculating ball type Rack and pinion type Worm roller type
Transmission efficiency (%) 70% 75% 70%
Reverse transmission efficiency (%) 50% 60% 45%
Input torque fluctuation range (N·m) - -

III. Interpretation of main test methods

1. Durability test

The steering gear needs to be tested for at least 100,000 cycles at rated output torque, with 50,000 times in forward and reverse drive respectively.

  • The test loading waveform is required to be a trapezoidal wave or a sine wave.
  • Commutation spikes and burrs are not allowed.
  • Disassembly and inspection are allowed every 25,000 cycles, but parts must not be replaced.

IV. Recommendations for the implementation of the standard.

To ensure that the steering gear meets the requirements of the new standard:

  1. Enterprises should be equipped with high-precision testing equipment to meet the accuracy requirements of 0.1° for angle sensors and 0.01mm for displacement sensors.
  2. Strengthen employee training, especially the understanding and operation of the newly added durability test.
  3. It is recommended to use an intelligent detection system to automate data collection and analysis.

V. Conclusion

The release and implementation of GB/T 23930-2023 will promote technological progress in the three-wheeled vehicle industry and improve product quality. It is recommended that relevant companies strictly implement the new standard requirements during the production process to ensure product safety and reliability.

Sample only — not a preview of GB/T 23930-2023
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