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Bộ ly hợp BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn 1.1 Cấu tạo và hoạt động của ly hợp - Ly hợp gồm có một phần điều khiển bằng cơ học để truyền công suất và một phần sữ dụng áp suất thuỷ lực để truyền công suất Hình 2.1: ly hợp - Mô tả: Ly hợp gồm có một phần điều khiển bằng cơ học để truyền công suất và một phần sữ dụng áp suất thuỷ lực để truyền công suất... - Tháo nến điện ra làm BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương xăng GVHH : THS: Đinh Anh Tuấn nổ sạch vầ khô điện cực - Ty lệ hoà khí ( xăng, gió - Khởi động động cơ và không đúng) bầu lọc gió bị giữ thời gian trong vòng tắc do bám bụi bẩm 15 giây - Lắp lại nến điện - Khởi động lại động cơ nhưng không đạp chân ga - Dùng khí nén thổi sạch bầu lọc gió và chỉnh lại ty 4 lệ hoà khi Động cơ... vi-sai đến các bánh xe Tương ứng với các bánh răng ở trục trung gian sẽ là các bánh răng trên trục chốt để tạo ra những ty số truyền động khác nhau Nhông cài (collar) gắn với cần số có chức năng kết nối các bánh răng ở trục chốt với trục dẫn động tới các bánh xe BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn Nhông cài có thể trượt qua trái hoặc phải dọc theo trục chốt để gài... xoay theo sự yêu cầu của người điều khiển BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn 3.1.2 Hệ thống lái trợ lực + Cấu tạo của các bộ phận chính: Hình 2.9: Hệ thống lái có trợ lái thuỷ lực Các bộ phận chính của hệ thống lái có trợ lực gồm: bơm, van điều khiển, xilanh trợ lực, hộp cơ cấu lái (bót lái) Hệ thống lái sử dụng công suất động cơ để dẫn động cho bơm trợ... có ưu điểm kết cấu đơn giản, gọn nhẹ, phù hợp với hệ thống thuỷ lực yêu cầu áp suất không lớn BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn Hình 2.10: Bơm dầu Bơm được dẫn động nhờ trục khuỷu của động cơ qua puly lắp ở đầu bơm để đưa dầu nén vào hộp cơ cầu lái Lưu lượng của bơm ty lệ với tốc độ động cơ nhưng nhờ van điều chỉnh lưu lượng đưa dầu thừa trở lại đầu hút của... thống phải tìm cách xả hết không khí BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn -Van điều chỉnh lưu lượng Hình 2.11: Van lưu lượng Van điều khiển lưu lượng điều chỉnh lượng dòng chảy dầu từ bơm tới hộp cơ cấu lái, duy trì lưu lượng không đổi mà không phụ thuộc tốc độ bơm (v/ph) + Nguyên tắc hoạt động: Lưu lượng của bơm trợ lực lái tăng theo ty lệ với tốc độ động cơ Lượng dầu... - Xiết chặt các đai ốc lỏng - Các khớp nối của hệ thống bánh lái chưa chặt - Xiết chặt lại các khớp nối - Mòn bạc trụ lái BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn - Mòn bạc thanh rằng thước - Thay, tiện lại bạc mới lái - Chỉnh lại bạc ty thước lái - Giàn cân bằng lái bị cong hay cao su phần cân bằng bị thoái hoá - Bánh xe không cân bằng - Thay bạc tròn hay... trục trặc - Kiểm tra dây cao áp - Sữa chữa bộ chế hoà sau khi đã tắt khoá - Thời điểm đánh lửa sai khí điện - Điều chỉnh lại thời điểm - Khoá điện hỏng - Muội than trong buồng đốt đánh lửa BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn nhiều 7 - Tháo bugi đánh lại - Làm sạch buồng đốt Có tiếng nổ trog - Thời điểm đánh lửa sai - Kiểm tra bộ ngăt nhiên đường ống xả (đánh lửa... răng hành tinh nhỏ ăn khớp và xoay quanh bánh răng mặt trời, được lắp với một giá đỡ Cuối cùng là vòng răng ngoài bao quanh và ăn khớp với các bánh răng hành tinh nhỏ Hình 2.3 Hộp số tự động BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn Trong hộp số tự động, vòng răng thường được chế tạo thêm rãnh răng ở mặt ngoài để ăn khớp với các đĩa ma sát của ly hợp, như vậy các đĩa ma . , IC201%,>?-+GU'< BÁO CÁO THỰC TẬP TỐT NGHIỆP SV: Hoàng Dương GVHH : THS: Đinh Anh Tuấn Ty nynz :!%;ynzhk{zg|nZ}Trn~JKL =;R‚]0ƒ"uZu-Q =:I ‹9 N+#5JKLŒn+< i=•ŽT•ynzhk{zg|nTrn~JKL . @.9"<Z%0%-,I)?f#1 /G%'//+,'@(I-0<g>%-( 9S(+,%/Y2A:,I'?-)#%: S>(9S%O/%--I3:,<C%%0, ,%,?"+I'?-I/0H@9G0 5%,!IJKL< h<Z)LUK]L iZT T,g! 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