Clutch pedal booster mechanism and tractor
A technology of booster mechanism and clutch pedal, applied in control devices, vehicle parts, transportation and packaging, etc., can solve the problems of increased tractor manufacturing cost, difficult layout, complicated assembly, etc., to achieve easy assembly, improve comfort, and reduce operating force Effect
Active Publication Date: 2020-11-03
LOVOL HEAVY IND CO LTD
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Problems solved by technology
However, the use of external servo mechanisms is difficult to arrange and complex to assemble, and at the same time increases the manufacturing cost of the tractor
Method used
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Embodiment 1
[0066] The free stroke of the clutch control pedal is required to be 45mm, and the total stroke of the clutch control pedal is 225mm; the Admas input parameters are the total stroke of the clutch control pedal is 225mm, the initial spring force of the assist spring mechanism (calculated according to the tractor design manual), spring stiffness (according to the tractor Design manual calculation), torsion spring initial spring force (calculated according to the tractor design manual), torsion spring torsional stiffness (calculated according to the tractor design manual). It can be seen from the analysis diagram Figure 6 The initial pedal return force of the clutch pedal is 35N, the final pedal assist of the clutch pedal is 75N, and the pedal stroke with zero assist value is 95mm; the invention is easy to perceive the initial force, the pedal returns smoothly, and the final assist effect is obvious. The characteristics of the present invention, such as the pedal return force, t...
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The invention provides a clutch pedal power-assisted mechanism and a tractor and relates to the technical field of agricultural machinery equipment. The clutch pedal power-assisted mechanism comprisesa rotating shaft, a pedal assembly and a power-assisted elastic component, the pedal assembly is rotatably connected with the rotating shaft, the power-assisted elastic component comprises a rocker arm, a first power-assisted elastic part and a second power-assisted elastic part, and the rocker arm is connected with the pedal assembly and connected with the first power-assisted elastic part through a rotary hinge supporting point and can rotate around axis of the rotating shaft; the first power-assisted elastic part is connected with a fixed hinge supporting point fixed on a vehicle body; along the axis direction of the rotating shaft, the rotary hinge supporting point when the pedal assembly is at an initial position and the rotary hinge supporting point when the pedal assembly is at a final position are positioned on two sides of a straight line connecting the rotating shaft and the fixed hinge supporting point; the second power-assisted elastic part is connected with the pedal assembly and used for providing assisting power. By the clutch pedal power-assisted mechanism, better matching between a power-assisted arrangement mode and clutch separation characteristics and clutch operation movement characteristics can be realized, operation force of a pedal can be reduced effectively, and operation comfort can be improved.
Description
technical field [0001] The invention relates to the technical field of agricultural machinery equipment, in particular to a clutch pedal booster mechanism and a tractor. Background technique [0002] At present, the tractor needs to change gears frequently during the working process, so it needs to step on the clutch pedal frequently. Due to the complex operating conditions and the continuous upgrade of horsepower, the tractor has a heavy clutch control force. If the clutch control booster mechanism is not added, it will be difficult to meet people's needs for tractor comfort, and cause long-term fatigue of people and reduce operating efficiency. [0003] At present, most tractor assist methods use an external servo mechanism (air pump or hydraulic pump) to reduce the force of the clutch pedal. However, the arrangement of the external servo mechanism is difficult, the assembly is complicated, and the manufacturing cost of the tractor is increased. [0004] Therefore, a cl...
Claims
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IPC IPC(8): B60K23/02
CPCB60K23/02
Inventor 郭亮王志全王恒李建启张华强马滨丁亮亮王倩倩
Owner LOVOL HEAVY IND CO LTD