JZD-B2型機車輪對磁粉探傷機

適用范圍

適用于鐵路內燃、電力機車全懸掛式、滾動抱軸承式以及抱軸瓦式等所有形式輪對大、中修時磁粉探傷

特點及技術指標

1. 龍門式主機結構，跨在輪對股道上，適合輪對通過式探傷的需要

2. 縱向磁化采用自主知識產權的鍍銀接點和雙螺旋鎖緊結構開合線圈，保證磁化線圈接點不發熱不打火，線圈通電可靠，磁化效果穩定，線圈壽命長

3. 復合磁化和左右全程移動的扇形輔助磁化裝置相結合，滿足軸身、牽引從動齒輪及車輪探傷需要

4. 對軸身進行磁化的開合線圈采用了可收起的機構，保護全懸掛式、滾動抱軸承式結構輪對的滾動軸承不被磁化

5. 輪對的旋轉驅動具有變頻調速功能，便于操作人員觀察磁痕時方便地調節轉速

6. 采用了的可控硅調流系統，磁化電流連續可調

7. 探傷過程采用進口PLC可編程控制器控制，操作簡便可靠

8. 采用的電力補償及控制技術，降低電源功率消耗

9. 磁化方式：周向磁化+縱向磁化+復合磁場+局部旋轉磁場

10. 輸入功率：60Kw

11. 周向磁化峰值電流：0-4800A連續可調

12. 縱向磁化峰值電流：0-2800A連續可調

13. 檢測表面磁場強度：≮2400A/m

14. 檢測車軸長度：2200mm～2600mm

15. 檢測齒輪回轉直徑：750-1050mm

16. 檢測車輪直徑：1000-1350

17. 退磁方式：原位衰減法

18. 檢測靈敏度：清晰顯示A1型標準試片15/50的人工缺陷

19. 剩磁：不大于0.3mT

20. 主機外形尺寸：3.1×1.2×2.5m

21. 主機總重：3250kg

JZD-B2 Magnetic Particle Flaw Detector for locomotive wheel pair

Applicable scope

It is suitable for the surface magnetic particle testing of locomotive wheel pair, including diesel and electric locomotive, all forms wheel pair such as full suspension type, rolling bearing type and axle suspension wheel bearing type

Features and Technical parameters

1. The gantry structure of mainframe is suitable for the wheel pair detected through it, especially for matching the examining and repairing lines of wheel pair.

2. Longitudinal magnetization coil with independent intellectual property rights of the double helix locking opening and closing coil, guarantee the magnet coil contact not fever , magnetizing effect is stable, the coil have long service life

3. Compound magnetization and movable fan shape auxiliary magnetic device, meet axis,traction driven gear and the wheel testing needs

4. To the opening and closing magnetization coil of axis body, adopted a collapsible mechanism, protect rolling bearing from the magnetization

5. To the rotation of the wheel drive with frequency control , easy operater to adjust speed, observing magnetic mark

6. Magnetizing current controlled by SCR module of voltage regulation,It can be adjusted at any time

7. Inspection process adopts imported PLC programmable controller control, easy operation and reliable

8. Adopting advanced electric power compensation and controlling technology, reducing the power consumption

9. Magnetization mode: resultant magnetic field+rotating magnetic field

10. Input power: 60kW

11. The peak value current of circular magnetization:0-4800A continuously adjustable

12. The peak value current of Longitudinal magnetization:0-2800A continuously adjustable

13. Magnetic field intensity on detection surface: ≥ 2400 a/m

14. lenth of tested axis:2200-2600mm

15. diameter of tested gear:750-1050mm

16. diameter of tested weel:1000-1350mm

17. Demagnetization method: in situ decay

18. Detecting sensitivity: Clearly displays the artificial defect of A1 standard test piece 15/50（7/50）

19. Residual Field: ≤0.3mT

20. Mainframe exterior size: 3.1m×1.2m×2.5m

21. Mainframe weight: 3250kg