Design of working equipment for a single-bucket loader

Introduction.................................................................................................................... 4

1. Review of existing designs of working equipment..................... 5

2. Description of the accepted design of working equipment..................... 12

3. Calculation of the parameters of a single-bucket loader...................................15

3.1. General information about single-bucket loaders.......................15

3.2. Determination of loader parameters.....................................18

3.3. Calculation of the parameters of working equipment.............................. 21

3.4. Selection of loading equipment sizes........................... 23

4. Calculation of the hydraulic drive of the working equipment.....................................24

4.1. Determination of deepening and pressure force..................... 24

4.2. Determination of the force on the rods of the hydraulic cylinders of the bucket and boom. Hydraulic cylinder selection............................................................ 24

4.3. Calculation of pipelines, selection of hydraulic distributor, tank, pump................................................................................. 26

5. Calculating the stability of the loader.....................................................28

6. Calculation of technical and economic indicators....................................... 29

6.1. Calculation of loader performance..................................29

6.2. Calculation of specific energy capacity............................................30

6.3. Determination of specific material consumption...............................30

7. Strength Calculation..........................................................31

7.1. Calculation of welds connecting the eye with the bucket............ 31

7.2. Calculation of the pin connecting the hydraulic cylinder rod with the eyelet............................................................................ 32

8. Forklift maintenance............................................. 35

8.1. General provisions for maintenance.................. 35

8.2. Maintenance of loading equipment............ 37

9. Labor protection when working on a front loader..........................39

Conclusion..................................................................................43

List of references...................................................... 44

Appendix A. Diagram of Effective Forces in Determining the Load Capacity of a Loader...........................................................46

Appendix B. Design Diagram for Determining the Length of the Boom................47

Appendix C. Calculation scheme for determining forces......................... 48