CN-121986716-A - Pitaya flower rotating gas jet pollination executor

CN121986716ACN 121986716 ACN121986716 ACN 121986716ACN-121986716-A

Abstract

The invention provides a dragon fruit flower rotating gas jet pollination executor, and belongs to the technical field of agricultural machinery. The actuator comprises a centrifugal fan, a guide shell, a rotary jet flow component, a reducing switching component, a reducing adjusting component and a position maintaining component. After the air flow enters the guide shell through the fan, the spiral blade of the rotating jet flow assembly is impacted to drive the whole rotating jet flow assembly to rotate, the air flow forms spiral air flow through the jet flow air hole, and the spiral air flow is emitted from the air outlet head through the flexible connecting pipe, so that accurate and low-loss pollination is realized; in order to adapt to different flower opening diameters, an operator can remove the position holding assembly and rotate the center rotary seat, and the linkage of the driving sliding groove, the driving sliding column, the reducing plate and the connecting rod drives all the air outlet heads to synchronously and radially move, so that the distribution diameter of the air outlet is accurately regulated.

Inventors

ZHANG BIN
FU WEI
ZHANG XU
Lou Kairan
XU QIU
ZHENG HONGCHENG
LIU JIAJIN
Bai Zongxiu

Assignees

海南大学

Dates

Publication Date: 20260508
Application Date: 20260310

Claims (7)

1. The dragon fruit flower rotating gas jet pollination executor comprises a centrifugal fan (1) and a guide shell (2), and is characterized by further comprising a rotating jet assembly (3), a reducing switching assembly (4), a reducing adjusting assembly (5) and a position maintaining assembly (6); The air outlet of the centrifugal fan (1) is in sealing connection with the rear end of the guide shell (2), the rotary jet flow assembly (3) is in sealing screwed connection with the front end of the guide shell (2), the centrifugal fan comprises a spiral blade (305) and jet flow air holes (306), the jet flow air holes (306) are uniformly formed in the main body of the rotary jet flow assembly (3), and the spiral blade (305) is uniformly fixed at the rear end of the main body of the rotary jet flow assembly (3); The diameter-changing switching assembly (4) comprises an outer rotary table (403) and fins (404), the diameter-changing adjusting assembly (5) comprises a connecting rod (509) and a central rotary table (510), the outer rotary table (403) is fixedly connected with the front end face of the main body of the rotary jet assembly (3) through the fins (404) which are uniformly distributed, air outlets of each group of jet air holes (306) are all connected with a flexible connecting pipe (407), air outlet heads (408) are uniformly and slidably connected in the main body of the outer rotary table (403), the air outlet heads (408) on the same side are connected with the flexible connecting pipe (407), the central rotary table (510) is rotatably connected to the middle part of the outer end face of the outer rotary table (403), a diameter-changing plate (503) is uniformly and slidably connected to the outer end face of the outer rotary table (403), a driven rotary column (508) is fixedly connected to the outer end face of the outer rotary table (503), a driving sliding column (506) is uniformly arranged in the main body of the central rotary table (510), the driving sliding column (511) is slidingly connected in the main body of the driving sliding column (511), one end of the connecting rod (509) is rotatably connected with the rotary table (508), and the other end face of the rotary table (403) can be locked with the rotary table (6), and the rotary table can be locked with the rotary table (6) and can be released.
2. The device of claim 1, wherein the rotating jet assembly (3) further comprises a main bearing (301), a rotating seat (303) and a tower-shaped head (304), the front end of the guide shell (2) is provided with a main bearing seat (302), the outer ring of the main bearing (301) is fixed in the main bearing seat (302) in a sealing way, the inner ring of the main bearing (301) is fixed with the rotating seat (303) in a sealing way, the rotating seat (303) is used as the main body of the rotating jet assembly (3), the rear end of the rotating seat (303) is fixedly connected with the tower-shaped head (304), the spiral blades (305) are uniformly fixed between the outer wall of the tower-shaped head (304) and the rear end of the rotating seat (303), and jet wind holes (306) are uniformly formed in the main body of the rotating seat (303).
3. The device of claim 2, wherein the diameter-variable switching assembly (4) further comprises a switching fixed shell (401), an auxiliary bearing (402), an outer cover (405) and an auxiliary bearing seat (412), wherein the rear end of the switching fixed shell (401) is fixedly connected with the outer wall of the front end of the guide shell (2), the auxiliary bearing seat (412) is arranged at the front end of the switching fixed shell (401), the outer ring of the auxiliary bearing (402) is fixedly arranged in the auxiliary bearing seat (412) in a sealing manner, the inner end of the auxiliary bearing (402) is fixedly connected with the outer rotating disc (403) in a sealing manner, and the outer rotating disc (403) is fixedly connected with the front end face of the rotating seat (303) through evenly distributed fins (404), and the outer cover (405) is connected with the front end of the switching fixed shell (401) in a covering manner.
4. The device for performing gas jet pollination by using the dragon fruit flower rotating gas jet pollination device according to claim 1, 2 or 3, wherein the air outlet of each group of jet air holes (306) is connected with an adapter (406), one end of a flexible connecting pipe (407) is connected with the adapter (406), the other end of the flexible connecting pipe is connected with an air outlet head (408), an adjusting clamping seat (409) is further fixed on the outer wall of the air outlet head (408), sliding clamping grooves (411) are formed in two sides of a main body of the adjusting clamping seat (409), sliding channels (410) are uniformly formed in the main body of the outer rotating disc (403), and the adjusting clamping seat (409) is in sliding clamping connection with the sliding channels (410) through the sliding clamping grooves (411).
5. The device of claim 4, wherein the diameter-variable adjusting assembly (5) further comprises a driving rotary column (507), a central shaft (502) is fixed in the middle of the outer end of the outer rotary disc (403), the center of the central rotary seat (510) is rotatably connected with the central shaft (502), a polygonal sliding groove (501) is formed in the outer end face of the outer rotary disc (403), a diameter-variable sliding block (504) is fixed at the inner end of the diameter-variable plate (503), the diameter-variable sliding block (504) is in sliding fit with the polygonal sliding groove (501), sliding surfaces (505) are formed at the two ends of the diameter-variable plate (503), the adjacent diameter-variable plates (503) are in sliding tangent fit through the sliding surfaces (505), the driving rotary column (507) is fixed at the outer end of the diameter-variable plate (503), one end of the connecting rod (509) is rotatably connected with the driving rotary column (507), and the other end of the connecting rod (509) is rotatably connected with the driven rotary column (508).
6. A gas jet pollination actuator for a dragon fruit flower rotary gas according to claim 1,2, 3 or 5, wherein the number of the diameter changing plates (503) is the same as the number of the gas outlet heads (408).
7. The device of claim 1,2, 3 or 5, wherein the position maintaining assembly (6) comprises an elastic sliding seat (601) and a pressing block (605), the elastic sliding seat (601) is symmetrically fixed on the outer end face of the outer rotary table (403), each group of elastic sliding seat (601) is slidably inserted with a clamping tooth (603), the tail end of the clamping tooth (603) is fixedly provided with an elastic piece (604) between the bottom surfaces of the inner cavities of the elastic sliding seat (601), tooth grooves (602) are symmetrically formed in the main body of the central rotary seat (510), and the pressing block (605) is fixedly connected with the outer side faces of the clamping teeth (603).

Description

Pitaya flower rotating gas jet pollination executor Technical Field The invention relates to the technical field of agricultural machinery, in particular to a gas jet pollination executor for the rotation of dragon fruit flowers. Background At present, the flower pollination of the dragon fruits still adopts an artificial supplementary pollination mode, and the flower pollination is mainly performed through the manual writing brush in a spot or slapping mode, and although the precise pollination can be realized, the problems of low operation efficiency, short pollination window period (the dragon fruits only bloom for a plurality of hours at night), high labor cost and the like exist, so that the large-scale planting requirement is difficult to meet. The existing other orchard pollination machines mainly comprise a handheld pollen blowing device or an unmanned aerial vehicle for downward washing air flow to blow pollen away to a stamen, so that the operation efficiency is improved to a certain extent. However, existing air pollinating devices still have significant drawbacks: Firstly, the air flow direction is difficult to control accurately, open type direct blowing air flow is generally adopted, pollen is scattered and scattered, the attachment rate is low, and a large amount of pollen drifts to cause waste; Secondly, the action intensity of the air flow is insufficient or too violent, and the air flow cannot be regulated according to the flower shape, so that the stamen are easy to damage or the pollination is uneven; Thirdly, the pollination executor has complex structure and inconvenient operation, and lacks the targeted design of the large corolla and long post head characteristics of the dragon fruit flower; Fourth, there is a significant difference in opening diameter between petals of each flower of the dragon fruit and the stamen group, and the existing pollination device lacks an adaptive design for this morphological change. Therefore, how to realize accurate low-loss pollination which has controllable airflow direction and high pollen attachment rate and is suitable for night flowering habit of dragon fruit flowers is still a technical problem to be solved in the field. Disclosure of Invention The invention aims to provide a spiral gas jet pollination executor for a dragon fruit flower, which can generate uniform and stable spiral gas flow to realize accurate pollination, and can flexibly adjust the distribution diameter of a gas outlet to adapt to different flower openings, thereby improving the pollination success rate and the equipment universality. The invention aims at realizing the technical scheme that the screw gas jet pollination actuator comprises a centrifugal fan, a diversion shell, a rotating jet assembly, a reducing switching assembly, a reducing adjusting assembly and a position maintaining assembly; the air outlet of the centrifugal fan is in sealing connection with the rear end of the guide shell, the rotary jet assembly is in sealing screwed connection with the front end of the guide shell, the centrifugal fan comprises spiral blades and jet air holes, the jet air holes are uniformly formed in the main body of the rotary jet assembly, and the spiral blades are uniformly fixed at the rear end of the main body of the rotary jet assembly; the reducing switching component comprises an outer rotary table and fins, and the reducing adjusting component comprises a connecting rod and a central rotary seat; The outer turntable is fixedly connected with the front end surface of the main body of the rotary jet flow assembly through uniformly distributed fins, the air outlet of each group of jet flow air holes is connected with a flexible connecting pipe, the main body of the outer turntable is uniformly and slidably connected with air outlet heads, and the air outlet heads on the same side are connected with the flexible connecting pipe; the central rotating seat is screwed in the middle of the outer end face of the outer rotating disc, the outer end face of the outer rotating disc is uniformly and slidingly connected with a variable diameter plate by taking the central rotating seat as a center, the outer wall of the air outlet head is fixedly connected with a passive rotating column, the outer end of the variable diameter plate is fixedly provided with an active sliding column, an active sliding groove is uniformly formed in the main body of the central rotating seat, the active sliding columns on the same side are slidingly connected in the active sliding groove, one end of the connecting rod is screwed with the variable diameter plate, and the other end of the connecting rod is screwed with the passive rotating column; The position maintaining component is arranged on the outer end face of the outer rotary table and can lock and release the rotary state of the central rotary table. The technical scheme of the invention comprises the following using processes: Generating air flow thro