GB/T 25523-2022 in English
VALIDElectric mining rope shovel—Safety requirements
- Issued on:2022-07-11
- Implemented on:2023-02-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$243.00
| Standard No: | GB/T 25523-2022 |
| Document status: | VALID |
| Title in English: | Electric mining rope shovel—Safety requirements |
| Title in Chinese: | 矿用机械正铲式挖掘机 安全要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2022-07-11 |
| Implemented on: | 2023-02-01 |
| ICS Classification: | 73.100.30-Equipment for drilling and mine excavation |
| Chinese Classification: | D92-Mining equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | electric mining rope shovel safety requirements introduction core changes
safety protection systems items indicator requirements operational safety diameter safety standard flight limiter equipped continuous improvement electrical safety standard upgrade |
| Related Topics: | excavator en
to dig GBT25523 GB/T 25523-2022 excavator excavator safety Correct use of excavator references Excavator safe operation Excavator International Mining bolter overhaul gb/t 25523-2022 Wheel excavator manufacturing standards |
《GB/T 25523-2022矿用机械正铲式挖掘机 安全要求》由TC88（全国矿山机械标准化技术委员会）归口，主管部门为中国机械工业联合会。
Introduction
Core changes in safety standard upgrade
The new version of the standard has made major adjustments in environmental adaptability requirements, safety protection systems and emergency response plans. Compared with the original GB25523-2010, the temperature test requirement of the red line standard has been changed from below -30℃ to a constant cold environment test of -50℃~-25℃ (Clause 5.4.1.1).
Manufacturer Compliance Requirements Guide
| Improvement Dimensions | 2010 Standards | 2022 New Regulations | Compliance Implementation Cycle |
|---|---|---|---|
| Power System Protection | No UPS Power Supply Requirement | Emergency Power Supply ≥15 minutes | Mandatory Implementation in 2024 |
| Working Platform Architecture | Protection of Ladders Above 3m | Flight Limiter Equipped | Continuous Improvement |
Electrical Safety Standard Upgrade
Taking the transformation of AC1500V protection system as an example, the equipment upgrade example of a mine in Yinchuan shows:
- Equipped with DMC series composite sheath to achieve mechanical isolation
- Integrated door limit switch to achieve triple interlocking protection
- The hazard index of the entire vehicle's cable duct decreased by power monitoring system by 37.5%
Comparison of key technical parameters
| Test items | Indicator requirements | Operational safety |
|---|---|---|
| Diameter of host cable | ≥120mm² | Meet the dynamic load requirements of the central pivot |
| Emergency disposal elevation | 1.8m mandatory installation |
Supervision implementation suggestions
- For tipping protection, install adsorption baffles in accordance with ATEX explosion-proof specifications
- Monthly check the docking tightness of the encoder terminal
- Lubricating oil pipes are equipped with self-checking lock valves to prevent leakage during climbing
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