| CPC A01H 1/027 (2021.01) | 7 Claims |
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1. A hand-held pneumatic pollinator for hybrid rice seed production, comprising:
a hand-held power chassis;
a lifting assembly;
a pneumatic pollination assembly; and
a control assembly,
wherein the lifting assembly and the control assembly are fixed at an upper portion of the hand-held power chassis, and the pneumatic pollination assembly is fixed at the front of the lifting assembly and is controlled by the lifting assembly to move upwardly and downwardly;
wherein the hand-held power chassis comprises an engine, a centrifugal clutch, support wheels, driving wheels, a decelerator, a crop divider and armrests, a power output shaft of the engine is connected to a power input shaft of the decelerator by the centrifugal clutch, the driving wheels are installed on a power output shaft of the decelerator, the support wheels are fixed below the decelerator, front portions of the armrests are fixed on the decelerator, the crop divider is fixed at the front of the decelerator, and the lifting assembly is fixed on the decelerator by a bracket;
wherein the pneumatic pollination assembly comprises a lifting frame, flow velocity sensors, a first right one-way air blowing pipe, a second right one-way air blowing pipe, a center two-way air blowing pipe, baffle plates, a second left one-way air blowing pipe, a first left one-way air blowing pipe, direct current fans, drive controllers, support plates, a storage battery, and right-angle sliding sleeves, wherein each of the first right one-way air blowing pipe, the second right one-way air blowing pipe, the center two-way blowing pipe, the second left one-way blowing pipe and the first left one-way blowing pipe is L-shaped and has a vertical section with a same length, two right-angle sliding sleeves are symmetrically and vertically fixed at each of the vertical sections of the first right one-way air blowing pipe, the second right one-way air blowing pipe, the center two-way air blowing pipe, the second left one-way air blowing pipe, and the first left one-way air blowing pipe at a same height, and a distance between the two right-angle sliding sleeves is same as a width of the lifting frame, and wherein the first right one-way air blowing pipe, the second right one-way air blowing pipe, the center two-way air blowing pipe, the second left one-way air blowing pipe and the first left one-way air blowing pipe are sequentially sleeved on the lifting frame through the right-angle sliding sleeves in a right to left direction and are equidistant from each other;
wherein the support plates are equidistantly fixed at an upper portion of the lifting assembly, the direct current fans are fixed at front side portions of the support plates, respectively, the drive controllers are fixed at rear side portions of the support plates, respectively, an air outlet of one of the direct current fans communicate with an upper portion of one of the first right one-way air blowing pipe, the second right one-way air blowing pipe, the center two-way air blowing pipe, the second left one-way air blowing pipe, and the first left one-way air blowing pipe through a hose;
wherein a front end of a horizontal section of each of the first right one-way air blowing pipe, the second right one-way air blowing pipe, the center two-way air blowing pipe, the second left one-way air blowing pipe, and the first left one-way air blowing pipe is provided with an air blowing port, and an lower portion of the air blowing port is provided with a baffle plate configured to form an airflow, which causes pollen of a male parent to drift to a female parent, wherein a flow velocity sensor is fixed at the vertical section of each of the first right one-way air blowing pipe, the second right one-way air blowing pipe, the center two-way air blowing pipe, the second left one-way air blowing pipe, and the first left one-way air blowing pipe at a same height, a detection end of the flow velocity sensor extends into an interior of the air blowing pipe where the flow velocity sensor is located, to measure an airflow velocity therein, and the storage battery is fixed on the bracket of the lifting assembly;
wherein the lifting assembly comprises the bracket, a guide rail, a lead screw, a stepping motor, and sliders, wherein the guide rail is vertically fixed at a front upper portion of the bracket and an upper portion of the guide rail is provided with a bearing support, an upper end of the lead screw is installed on the guide rail through the bearing support located at the upper portion of the guide rail, a lower end of the lead screw is installed on a front upper portion of the bracket through the bearing support, the guide rail is parallel to a central axis of the lead screw, the stepping motor is fixed at an upper end of the guide rail, the upper end of the lead screw is coaxially fixed to and connected with an output shaft of the stepping motor, and ball nuts are sleeved on the lead screw and forms a spiral fit with the lead screw; and the guide rail is provided with the sliders, the sliders and the guide rail constitute a moving pair, front portions of the ball nuts are fixedly connected to a middle portion of the lifting frame, and rear portions of the ball nuts are fixedly connected to the sliders; and
wherein the control assembly comprises a controller, flow velocity sensors, drive controllers, a storage battery, a 485-conversion-TTL module, and a touch screen, wherein the storage battery is configured to supply a power to the controller and the touch screen through a voltage regulator module, the flow velocity sensors are connected to the controller through the 485-conversion-TTL module, the drive controllers are connected to the controller through control lines, the storage battery is connected to the drive controllers through cables, and one of the drive controllers are connected to one of the five direct current fans.
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