scraper: types,hydraulic circuits

1. SCRAPER
UNDER SUPERVISION OF:
DR.PROF./ MOHAMMED MOHEY

2. PRESENTED BY:
• Mina Youssef Adib
• Abdelrahman Tawfiq
• Youssef Eid Morshed
• Hany Gamil Adel
• Mostafa Mahmoud Esmail
• Mina Azmy Monir
• Noaman Afify Abdo
• Mohab Ahned El-sayed

3. CONTENTS:
1) Scraper .
2) Description.
3) Function.
4) How scraper works
5) Hydraulic circuits.

4. SCRAPER

5. DISCRIPTION:
• Scraper is an earthmoving machine
• It loads and transport Soil
• It takes between 30s or one minute for the scrsper
to load it self.

6. FUNCTIONS:
• Soil leveling
• Loading
• Transporting soil

7. DISADVANTAGE:
1. Cannot be used to transport material overlong
distances Because of heating of the tires.
2. Cannot be used on rocky ground either as this
excessive wear.

8. HOW SCRAPER WORK?

9. TYPES OF SCRAPER
 Towed scraper
 Elevating scraper
 Coal bowl scraper
 Open bowl scraper
 Pull scraper

14. PULL SCRAPER

15. COMPONENTS OF PULL SCRAPER

16. DIMENSIONS:

17. MAIN HYDRAULIC CIRCUITS

19. AIR BRAKE SYSTEM

20. STEERING SYSTEM

22. THANKS