Hydraulic driving device for draught fan of pneumatic type seeding machine
A driving device and seeder technology, which is applied in the direction of single seed seeder, pump device, fertilization device, etc., can solve the problems that affect the promotion and application of pneumatic sowing, and achieve the effect of small space occupation, stable wind pressure and avoiding missing seeding
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[0016] see figure 1 , figure 2 : This pneumatic seeder fan hydraulic driving device is characterized in that it mainly includes an oil pump 5, an oil tank 8, and a hydraulic motor 14. The power output shaft 2 of the tractor 1 is connected to drive the oil pump 5 to run. The oil inlet pipe 6 of the oil pump communicates with the oil tank 8. The oil pump The power oil provided by 5 is transmitted to the hydraulic motor 14 through the oil pump outlet pipe 7 and the hydraulic motor oil inlet pipe 12, and the hydraulic motor 14 drives the sowing fan 13 to run, and the hydraulic motor 14 communicates with the oil tank 8 through the hydraulic motor oil outlet pipe 11. Hydraulic control element, the operation speed of sowing blower fan 13 is controlled by hydraulic control element. The hydraulic control components include a flow valve 10 connected between the oil outlet pipe 7 of the oil pump and the oil inlet pipe 12 of the hydraulic motor, and a relief valve 9 is provided between ...
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