Research Article
Structure Design and Bearing Capacity Analysis for Crawler Chassis of Rice Combine Harvester
Table 4
Design variable and theoretical operating force of the joystick.
| No. | The evaluation object | Length of AB 11/mm | Length of BC l2/mm | Length of CD l3/mm | Switch stroke c (mm) | Rotation angle θ/° | Displacement of the rod /mm | Theoretical operating force F/N |
| 1 | Unloading clutch operating lever reel operating lever | 280 | 75 | 400 | 10 | 7.66 | 55 | 32.0 | 2 | Forward and backward operating lever | 450 | 45 | 270 | 20 | 26.42 | 182 | 11.55 | 3 | Shift lever | 420 | 180 | 680 | 70 | 20.00 | 154 | 43.93 | 4 | Cutting table integrated joystick | 350 | 65 | 410 | 20 | 23.21 | 148 | 21.91 | 5 | Harvesting device joystick | 280 | 95 | 480 | 40 | 18.24 | 78 | 39.34 | 6 | Brake lever | 220 | 50 | 400 | 10 | 11.54 | 55 | 27.8 |
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