CN209834003U - Broadcast sowing device, broadcast sowing device and plant protection equipment - Google Patents

Abstract

The utility model discloses a broadcaster, broadcaster and plant protection equipment, wherein, the broadcaster is including getting the material subassembly, gets the material subassembly including getting the material casing, gets the material casing including can dismantling the material epitheca of getting that sets up and getting the material inferior valve, gets the material epitheca and sets up the material entry, gets the material epitheca and gets and have the cavity between the material inferior valve, and the cavity passes through the baffle and keeps apart to be first cavity and second cavity, can dismantle in the first cavity to be provided with and get the material wheel, gets to have seted up bin outlet and installing port on the material inferior valve. The utility model discloses a broadcast sowing device is rationally distributed, and space utilization is high, and occupation space is little.

Description

Broadcast sowing device, broadcast sowing device and plant protection equipment

Technical Field

The utility model relates to the technical field of agricultural machinery, especially, relate to a broadcast seeder, broadcast device and plant protection equipment.

Background

With the development of agricultural machinery, the agriculture gradually realizes semi-automation and even full automation, the mechanical seeding generally comprises hand-held mechanical seeding and walking mechanical seeding in the prior agricultural production, the hand-held mechanical seeding still needs workers to bear the equipment for underground seeding, and the walking mechanical seeding has the problems of difficult field sowing, low advancing speed, difficult turning around and the like under the condition of complex farmland terrain.

Along with middle-size and small-size unmanned aerial vehicle flight technique is ripe gradually, unmanned aerial vehicle is owing to possess advantages such as VTOL, independently flight, do not receive topography influence for unmanned aerial vehicle seeding becomes possible. The mechanical type of carrying on agricultural unmanned aerial vehicle broadcasts the device at present is complicated in structure, and occupation space is big, is not suitable for unmanned aerial vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a broadcast ware, broadcast device and plant protection equipment, its simple structure, rationally distributed, occupation space is little.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a broadcast device, including getting the material subassembly, get the material subassembly including getting the material casing, get the material casing including can dismantle the setting get the material epitheca and get the material inferior valve, get the material epitheca and set up the material entry, get the material epitheca with get and have the cavity between the material inferior valve, the cavity passes through the baffle and keeps apart to be first cavity and second cavity, can dismantle in the first cavity and be provided with and get the material wheel, get set up on the material inferior valve respectively with the bin outlet of first cavity intercommunication and with the installing port of second cavity intercommunication.

As a preferred scheme of the broadcasting device, the broadcasting device further comprises a material receiving assembly and a material feeding assembly, wherein the material receiving assembly is arranged on one side of the material taking lower shell, which is far away from the material taking upper shell, and the material receiving assembly is communicated with the material outlet; the feeding assembly comprises an air supply part, an air supply pipe and a feeding pipe, the air supply part is installed in the second cavity through the installation opening, one end of the air supply pipe is communicated with the air supply part, the other end of the air supply pipe is communicated with the non-end part of the feeding pipe, one end of the feeding pipe is communicated with the material receiving assembly, and the other end of the feeding pipe is used for broadcasting materials.

As a preferred scheme of the broadcaster, be provided with conical water conservancy diversion frame on getting the material epitheca, the water conservancy diversion frame has upper shed and under shed, the size of upper shed is greater than the size of under shed, upper shed intercommunication material case, the under shed intercommunication material entry.

As a preferable scheme of the spreader, the material taking wheel is positioned right above the material outlet.

As a preferable proposal of the spreader, the lower material taking shell is provided with a first wall plate and a second wall plate which are oppositely arranged, one end of the first wall plate is connected with one end of the second wall plate through a third wall plate, the other end of the first wall plate forms a first opening communicated with the outside, the two ends of the clapboard are respectively connected with the first wall plate and the second wall plate, the clapboard and the third wall plate are arranged at intervals, the first wall plate is provided with an inserting groove, the notch of the inserting groove is communicated with the first opening, the second wall plate is provided with a mounting hole, the material taking wheel is rotatably arranged in the first cavity, the material taking wheel comprises a wheel body, a first connecting shaft and a second connecting shaft which are arranged at two ends of the wheel body, the first connecting shaft is inserted in the inserting groove, the second connecting shaft is inserted in the mounting hole, and the sealing plate is detachably arranged at the first opening.

As a preferred scheme of the broadcast sowing device, a plurality of material taking cavities are formed in the wheel body, a scraping plate and a guide plate are arranged in the first cavity, one end of the scraping plate is connected with the sealing plate, the other end of the scraping plate extends to the circumferential surface of the material taking wheel, and the guide plate is arranged between the sealing plate and the scraping plate and used for shielding the sealing plate and guiding the materials to the discharge hole.

As a preferred scheme of the broadcast sowing device, the mounting opening is detachably provided with a cover plate for plugging the mounting opening, and the air supply piece is plugged in the second cavity by the cover plate.

As a preferable scheme of the broadcast sowing device, a step is convexly arranged in the second chamber and on the partition plate, the step and the cover plate are arranged at intervals, and a second opening for the air supply pipe to pass through is formed between the step and the cover plate.

The second aspect provides a broadcast sowing device, include the broadcast sowing device, be provided with the material case for the plant protection on the broadcast sowing device, the material case for the plant protection with the broadcast sowing device intercommunication.

In a third aspect, a plant protection device is provided, which comprises a device body, wherein the broadcasting device is arranged on the device body.

The utility model discloses beneficial effect does: through the inside of will getting the material casing split into two independent cavities, can will get the material wheel and install in one of them cavity, but other parts of overall arrangement broadcast ware in another cavity, the inner space of material casing is got in the rational utilization, and will get the material casing and divide into detachable and get the material epitheca and get the material inferior valve, be convenient for assemble and get the part in the material casing, this broadcast ware's overall arrangement is reasonable, space utilization is high, occupation space is little.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic perspective view of a broadcast device according to an embodiment of the present invention.

Fig. 2 is a schematic side view of the broadcasting device according to the embodiment of the present invention.

Fig. 3 is a schematic sectional view a-a of fig. 2.

Fig. 4 is the utility model discloses get the structure sketch map of material inferior valve.

Fig. 5 is a schematic structural diagram of a flow guiding frame according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a sealing plate according to an embodiment of the present invention.

Fig. 7 is an assembly diagram of the material taking wheel and the mounting member according to the embodiment of the present invention.

Fig. 8 is a schematic perspective view of a viewing angle of the material taking wheel according to the embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a mounting member according to an embodiment of the present invention.

Fig. 10 is a schematic structural view of a material guide plate according to an embodiment of the present invention.

Fig. 11 is a schematic structural view of a feed assembly (no shunt tube shown) according to an embodiment of the present invention.

Fig. 12 is a schematic structural view of a fairing according to an embodiment of the present invention.

Fig. 13 is a schematic structural diagram of the first shunt tube according to an embodiment of the present invention.

Fig. 14 is a schematic structural diagram of a second shunt tube according to an embodiment of the present invention.

Fig. 15 is a schematic structural view of a disturbing member according to an embodiment of the present invention.

Fig. 16 is a schematic structural view of a disturbing member according to another embodiment of the present invention.

Fig. 17 is a schematic perspective view of another viewing angle of the material taking wheel according to the embodiment of the present invention.

In the figure:

1. a material taking assembly;

11. taking a material shell; 111. taking materials and putting the materials on a shell; 112. taking a material from the lower shell; 1121. a first wall panel; 1122. a second wall panel; 1123. a third wall panel; 1124. inserting grooves; 1125. mounting holes; 1126. a fourth wall panel; 1127. a shielding groove; 1128. a discharge outlet; 1129. an installation port; 113. a first chamber; 114. a second chamber; 115. a partition plate; 116. an air inlet; 117. a step;

12. a material taking wheel; 121. a wheel body; 122. a first connecting shaft; 1221. a first limit groove; 123. a second connecting shaft; 1230. a mating component; 124. a material taking cavity; 125. a ring plate;

13. a sealing plate;

14. a mounting member; 141. mounting the main body; 142. a first through hole; 143. a fitting portion; 1431. a first limiting surface; 144. a clamping part; 145. a transition section;

15. a limiting part; 151. a second limit groove;

16. a scraping plate; 17. a material guide plate; 171. a first end of a stock guide; 172. a second end of the stock guide; 18. a flow guide frame; 19. a cover plate; 110. a drive member;

2. a material receiving assembly; 21. a take-up pan; 22. a material receiving connecting part;

3. a feeding assembly; 31. an air supply member; 311. a first connecting plate; 32. an air supply pipe; 321. a second connecting plate; 33. a feed pipe; 331. a first boss; 332. a limiting groove; 34. a fairing; 341. a rectification air duct; 342. a rectifying plate; 35. a shunt tube; 351. a shunt first end; 352. a shunt second end; 353. a flow-splitting protrusion; 354. a card slot; 355. an open slot; 356. a limiting bulge; 357. a first shunt pipe; 358. a second shunt pipe; 359. a second boss;

4. a disturbing member; 41. a rotating shaft; 42. disturbing the support; 43. disturbing the body;

5. a sensor.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment of the utility model provides a broadcast sowing device for articulate and realize the material on plant protection equipment (like unmanned aerial vehicle, agricultural tractor etc.) and broadcast sowing, wherein, the material can be substances such as graininess plant seed, agricultural fertilizer, agricultural use medicine. Broadcast the device including broadcaster and setting up the material case for the plant protection on broadcaster, broadcaster and material case intercommunication for the plant protection.

Referring to fig. 1 to 16, the broadcasting device of the embodiment of the present invention includes a material taking assembly 1, a material receiving assembly 2 and a material feeding assembly 3, wherein the material taking assembly 1 may be a device for transferring a material to the material receiving assembly 2 according to a certain amount from a material box for storing the material; the material receiving component 2 can be a device which receives materials from the material taking component 1 and then transmits the materials to the material feeding component 3; the feeding component 3 can be a device which accelerates the material fed by the receiving component 2 and discharges the material according to a certain broadcasting width to realize material broadcasting, the broadcaster further comprises a controller (not shown in the figure), and the controller can be a device which controls an electronic device on the broadcaster.

Referring to fig. 1 to 4, the material taking assembly 1 includes a material taking housing 11, a material taking wheel 12 and a sealing plate 13, the material taking housing 11 includes a material taking upper shell 111 and a material taking lower shell 112 which are detachably arranged, a cavity is formed between the material taking upper shell 111 and the material taking lower shell 112, the material taking upper shell 111 is provided with a material inlet, the material taking lower shell 112 is provided with a material outlet 1128, the material taking lower shell 112 is provided with a first wall plate 1121 and a second wall plate 1122 which are oppositely arranged, one end of the first wall plate 1121 and one end of the second wall plate 1122 are connected through a third wall plate 1123, the other end of the first wall plate forms a first opening communicated with the outside, the first wall plate 1121 is provided with an insertion groove 1124, a notch of the insertion groove 1124 is communicated with the; the material taking wheel 12 is arranged in the cavity and driven by the driving part 110 to rotate, the material taking wheel 12 comprises a wheel body 121, and a first connecting shaft 122 and a second connecting shaft 123 which are arranged at two ends of the wheel body 121, the wheel body 121 is provided with a plurality of material taking cavities 124, the first connecting shaft 122 is inserted in the inserting groove 1124, and the second connecting shaft 123 is inserted in the mounting hole 1125; the sealing plate 13 is detachably attached to the first wall plate 1121 and the second wall plate 1122 at an end away from the third wall plate 1123, and the sealing plate 13 blocks the first opening. By arranging the material taking cavity 124, when the material enters the material taking shell 11 from the material inlet, the material taking cavity 124 is filled with the material, at the moment, the material taking cavity 124 contains quantitative material, and after the material taking wheel 12 rotates, the quantitative material in the material taking cavity 124 is discharged from the material outlet 1128, so that quantitative broadcasting is realized, and the broadcasting uniformity is improved; through setting up mounting hole 1125 cooperation and taking the inserting groove 1124 of notch, can reduce the dismouting degree of difficulty of getting material wheel 12, closing plate 13's setting can be with getting material wheel 12 restriction in inserting groove 1124 simultaneously, prevents to get material wheel 12 and breaks away from inserting groove 1124.

Referring to fig. 7 and 8, the mounting member 14 is disposed on the first connecting shaft 122, the mounting member 14 includes a mounting main body 141, a first through hole 142 for the first connecting shaft 122 to pass through is formed in the mounting main body 141, at least one engaging portion 143 spaced from the first through hole 142 is protruded from one side surface of the mounting main body 141, and the engaging portion 143 is inserted into the inserting groove 1124 and restricts the mounting member 14 from moving in the inserting groove 1124. By providing the mounting member 14, the mating portion 143 of the mounting member 14 can be used to mate with the mating slot 1124 to prevent the mounting member 14 from moving within the mating slot 1124.

A locking structure for preventing the mounting member 14 from being separated from the first connecting shaft 122 is provided between the engaging portion 143 and the first connecting shaft 122.

Specifically, the clamping structure includes elastic joint portion 144 and first spacing groove 1221, and elastic joint portion 144 sets up in the one side that cooperation portion 143 is close to first through-hole 142, and first spacing groove 1221 ring-shaped is seted up on first connecting axle 122, and elastic joint portion 144 joint is in first spacing groove 1221. The elastic clamping portion 144 has elasticity, and can be inserted into the first limiting groove 1221 without preventing the first connecting shaft 122 from rotating in the first through hole 142, i.e., without preventing the first connecting shaft 122 from rotating relative to the mounting member 14.

Preferably, a copper collar may be disposed in the first through hole 142, and the first connecting shaft 122 may be fitted on an inner hole of the copper collar. Meanwhile, a copper lantern ring can be arranged in the mounting hole 1125, and the second connecting shaft 123 can be matched with the inner hole of the copper lantern ring, so that the first connecting shaft 122 and the first through hole 142, and the second connecting shaft 123 and the mounting hole 1125 are prevented from directly rubbing when the material taking wheel 12 rotates.

Preferably, the side of the mounting body 141 is convexly provided with two matching portions 143, the two matching portions 143 are symmetrically arranged along the axis of the first through hole 142, and the two elastic clamping portions 144 are clamped in the annular first limiting groove 1221. The two matching portions 143 are symmetrically disposed, so that the force abutting against the first limiting groove 1221 can be balanced, and the smooth rotation of the first connecting shaft 122 can be ensured.

Preferably, the inserting groove 1124 has a first groove wall and a second groove wall which are parallel to each other, the matching portion 143 has a first abutting surface and a second abutting surface which are parallel to each other, the first abutting surface abuts against the first groove wall, and the second abutting surface abuts against the second groove wall. The groove wall abuts against the abutting surface, so that the matching portion 143 can be clamped in the insertion groove 1124 to reduce the possibility of movement, and the other direction prevents the first connecting shaft 122 from driving the matching portion 143 to move in the insertion groove 1124 along the vertical direction when rotating.

Referring to fig. 6, the sealing plate 13 is convexly provided with a limiting portion 15, one end of the limiting portion 15 away from the sealing plate 13 is an abutting end, and the abutting end is inserted into the inserting groove 1124 and abuts against one side of the matching portion 143 away from the first through hole 142. By arranging the limiting part 15, when the sealing plate 13 is installed in the first opening, the limiting part 15 can be inserted into the insertion groove 1124 to abut against the matching part 143, and the matching part 143 is completely prevented from moving in the insertion groove 1124.

Preferably, one side of the matching portion 143 away from the first through hole 142 is provided with two first limiting surfaces 1431 forming an included angle, one end (i.e., the abutting end) of the limiting portion 15 away from the sealing plate 13 is provided with a second limiting groove 151, the second limiting groove 151 has two second limiting surfaces forming an included angle, and the two second limiting surfaces form a V-shaped groove for abutting against the two first limiting surfaces 1431.

Referring to fig. 7 and 8, the wheel body 121 is provided with a ring plate 125 at an end surface (i.e., an installation end surface) of the first connection shaft 122, the first connection shaft 122 is positioned at the center of the ring plate 125, the installation body 141 is a circular plate, the installation body 141 is inserted into the ring plate 125, and one side surface of the installation body 141 away from the engagement portion 143 abuts against the installation end surface of the wheel body 121.

Specifically, a side of the mounting body 141 away from the mounting end face is convexly provided with a transition portion 145, and the matching portion 143 is convexly provided at a side of the transition portion 145 away from the mounting body 141. The transition portion 145 can prevent the ring plate 125 or the wheel body 121 from directly rubbing against the first wall plate 1121, thereby reducing the wear of the material taking wheel 12.

Preferably, referring to fig. 17, the first connecting shaft 122 is made of metal, one end of the first connecting shaft is embedded in the wheel body 121 of the material taking wheel 12, the second connecting shaft 123 is integrally formed with the wheel body 121 of the material taking wheel 12, an end of the second connecting shaft 123 is formed with an engaging member 1230, and a third limiting surface is formed on an outer circumferential surface of the engaging member 1230.

Referring to fig. 4, a fourth wall plate 1126 is arranged on one side of the first wall plate 1121, which is away from the second wall plate 1122, at an interval, a shielding groove 1127 is formed between the fourth wall plate 1126 and the first wall plate 1121, the shielding groove 1127 has a first notch and a second notch which are communicated, the first notch is communicated with the first opening and is blocked by the sealing plate 13, the second notch faces the material taking upper shell 111 and is blocked by the material taking upper shell 111, and the end of the first connecting shaft 122 penetrates through the inserting groove 1124 to extend into the shielding groove 1127. By providing the fourth wall plate 1126, a shielding groove 1127 may be formed between the fourth wall plate 1126 and the first wall plate 1121, and the shielding groove 1127 may be used to hide the first connecting shaft 122, so as to prevent the first connecting shaft 122 from being exposed to the material taking housing 11; and two notches of the shielding groove 1127 are respectively shielded by the sealing plate 13 and the material taking upper shell 111, so that the shielding groove 1127 is not exposed, and the appearance of the whole spreader is more attractive.

The cavity is separated into a first cavity 113 and a second cavity 114 by a partition plate 115, a material discharge port 1128 communicated with the first cavity 113 and a mounting port 1129 communicated with the second cavity 114 are respectively formed in the material taking lower shell 112 of the material taking shell 11, two ends of the partition plate 115 are respectively connected with a first wall plate 1121 and a second wall plate 1122, the partition plate 115 and a third wall plate 1123 are arranged at intervals, the second cavity 114 is formed between the partition plate 115 and the third wall plate 1123, and the first cavity 113 is formed between the partition plate 115 and the sealing plate 13. Through dividing into two independent cavities with the inside of getting material casing 11, can install in one of them cavity with getting material wheel 12, but other parts of material spreader in another cavity overall arrangement, the inner space of material casing 11 is got in the rational utilization, and will get material casing 11 and divide into detachable and get material epitheca 111 and get material inferior valve 112, be convenient for assemble get the part in the material casing 11, this spreader's overall arrangement is reasonable, space utilization is high, occupation space is little.

Referring to fig. 3, a conical flow guide frame 18 is arranged on the material taking upper shell 111, the flow guide frame 18 is provided with an upper opening and a lower opening, the size of the upper opening is larger than that of the lower opening, the upper opening is communicated with the material box, and the lower opening is communicated with the material inlet. The funnel-shaped guide frame 18 enables the material to have good fluidity.

The inner wall of the guide frame 18 is provided with a disturbing piece 4, the disturbing piece 4 is driven by a driving piece 110, and the driving piece 110 is electrically connected with the controller. The material flows to the lower opening under the disturbance of disturbance piece 4, and the disturbance piece 4 can also break up the material of caking to the material card of caking can't fall into in the material chamber 124 of getting of material wheel 12 in guide frame 18 is prevented. The number of the driving element 110 for driving the disturbing element 4 and the driving element 110 for driving the material taking wheel 12 can be one, or one driving element 110 can be respectively arranged for driving the disturbing element 4 and the material taking wheel 12.

Specifically, the driving element 110 for driving the material taking wheel 12 to rotate is a motor, and the driving element 110 for driving the disturbing element 4 to rotate is a steering engine.

The number of the disturbing members 4 may be one or more, and a plurality of the disturbing members 4 may be driven by one or more driving members 110. In practical application, different numbers of disturbing pieces 4 can be arranged according to the size of the flow guide frame 18 to achieve the material disturbing effect.

Referring to fig. 15, in an alternative embodiment, the perturbation element 4 comprises a rotating shaft 41 and a perturbation support 42 connected to the rotating shaft 41, the perturbation support 42 may be multiple, each perturbation support 42 is provided with a perturbation body 43, and the perturbation body 42 and the perturbation support 43 may be fixedly connected or rotatably connected. Perturbation body 43 is a substantially cylindrical body, and a plurality of grooves aligned with the axial direction of the cylindrical body may be distributed on the circumferential surface of the cylindrical body.

Referring to FIG. 16, in an alternative embodiment, interfering body 43 is a substantially cylindrical body, and a plurality of grooves perpendicular to the axial direction of the cylindrical body may be distributed on the circumferential surface of the cylindrical body, and the grooves are connected smoothly.

The embodiment of the utility model provides an in, disturbance body 43 sets up the recess of different trends, can be suitable for the material of various types or various granularity sizes, can change different disturbance bodies 43 according to the material of difference in practical application, has improved the ware commonality of broadcasting.

Referring to fig. 2, fig. 3, fig. 7 and fig. 8, in the preferred embodiment of the utility model, it gets material portion to be provided with at least one line on the material taking wheel 12, gets material portion and sets up along axial direction, and every line gets material portion and is equipped with several along getting the material chamber 124 of getting that material wheel 12 axial interval was arranged, when getting to be equipped with the multirow on the material taking wheel 12 and getting material portion, the multirow gets material portion along the circumference equipartition of getting material wheel 12, and the quantity and the position one-to-one of getting material chamber 124 on the material portion are got to the.

The driving member 110 may be a motor, for example, a speed-adjustable servo motor, and preferably, the driving member 110 may drive the material taking wheel 12 and the disturbing member 4 to rotate through a gear transmission mechanism. Specifically, the gear transmission mechanism includes a first gear, a second gear, and a coupling. An accommodating cavity is formed outside the second wall 1122. The first gear, the second gear and the coupler may be disposed in the accommodating cavity outside the second wall plate 1122, and the coupler corresponds to the mounting hole 1125. The rotating shaft of the driving member 110 may be connected to a first gear, the first gear and a second gear are engaged with each other, and the second gear is connected to the second connecting shaft 123 through a coupling and drives the material taking wheel 12 to rotate. For example, the coupler is formed with a fitting hole corresponding to the mounting hole 1125. When the second connecting shaft 123 is inserted into the mounting hole 1125, the fitting part 1230 at the end of the second connecting shaft 123 can be directly connected with the fitting hole of the coupling in a shape-fitting manner. The third limiting surface on the outer peripheral surface of the matching part 1230 of the second connecting shaft 123 is matched with the limiting surface on the coupler, so that the coupler and the second connecting shaft 123 are prevented from rotating relatively. In this way, the assembly time is greatly reduced. In practical applications, the driving element 110 may also directly drive the material taking wheel 12 and the disturbing element 4 to rotate, or drive the material taking wheel 12 and the disturbing element 4 to rotate through a transmission manner such as a belt, a chain, or the like.

The material taking principle of the material taking assembly 1 is as follows: after the spreader enters a spreading mode, materials in a material box (not shown in the figure) firstly enter the guide frame 18, the controller controls the driving piece 110 to drive the disturbing piece 4 to disturb the materials, so that the materials in the guide frame 18 flow to the lower opening under the disturbing action, meanwhile, the controller controls the driving piece 110 to drive the material taking wheel 12 to rotate, and the material taking cavity 124 in the material taking wheel 12 takes the materials.

Referring to fig. 3, a detection device for detecting whether a material exists in the baffle frame 18 is disposed in the baffle frame 18, and the detection device is disposed adjacent to the lower opening. Specifically, the detection device is two sensors 5, and the two sensors 5 are respectively arranged on two opposite wall surfaces of the guide frame 18. In other embodiments, the detecting device is a sensor 5 and a reflective plate, and the sensor 5 and the reflective plate are respectively disposed on two opposite walls of the guide frame 18.

Referring to fig. 3, a scraper 16 is disposed in the first chamber 113, and one end of the scraper 16 is connected to the sealing plate 13 and the other end extends to the circumferential surface of the take-up wheel 12. Through setting up scraping plate 16, when the material was carried to the material taking wheel 12 from the water conservancy diversion frame 18 on, the material can fill up and get material chamber 124, when the material taking wheel 12 was rotatory, because scraping plate 16's restriction, the material taking wheel 12 was rotatory to the below get material chamber 124 will only the splendid attire be no longer than the material of getting the accent of material chamber 124, realized the purpose of equivalent transported substance material, and then made the material carry and broadcast sowing more evenly.

A material guide plate 17 is further disposed in the first chamber 113, and the material guide plate 17 is disposed between the sealing plate 13 and the scraper plate 16 for shielding the sealing plate 13 and guiding the material to the discharge port 1128. By providing the guide plate 17 between the scraper 16 and the inner wall of the sealing plate 13, when the material taking wheel 12 rotates, the material striking the scraper 16 may pass over the scraper 16, and the guide plate 17 may effectively block the material and guide the material to the discharge port 1128, preventing the material from being retained on the sealing plate 13 or in the first chamber 113. Preferably, the scraper plate 16 is a brush.

Referring to fig. 3 and 10, the material guide plate 17 is arc-shaped, and the inner arc surface of the material guide plate 17 is opposite to the material taking wheel 12. Through the material guide plate 17 with the structure, the material guide plate 17 can be prevented from occupying too much space in the material taking shell 11, and meanwhile, the material can be effectively prevented from stopping on the material guide plate 17. Specifically, the center of the inner arc surface of the material guide plate 17 is concentric with the axis of the material taking wheel 12.

Preferably, one side of the material guiding plate 17 close to the material taking wheel 12 is smoothly arranged, that is, the inner arc surface of the material guiding plate 17 is smoothly arranged. The smooth intrados that sets up can prevent effectively that the material from stopping.

The guide plate 17 has a first end 171 and a second end 172 opposite to each other, the first end 171 is connected to the sealing plate 13, and the second end 172 extends to the discharge opening 1128. Specifically, the guide plate first end 171 is fixed to the sealing plate 13 by a screw.

In order to improve the effect of the material guide plate 17 on blocking and guiding the material, the length of the material guide plate 17 extends along the length direction of the material taking wheel 12, and the length of the material guide plate 17 is not less than the length of the material taking wheel 12.

Referring to fig. 3, the receiving assembly 2 includes a receiving tray 21 and at least one receiving connecting portion 22 disposed at the bottom of the receiving tray 21, and when the number of the receiving connecting portions 22 is greater than one, the receiving connecting portions 22 are linearly arranged; connect material connecting portion 22 to be the infundibulate, connect the main aspects and the bin outlet 1128 intercommunication of material connecting portion 22, through setting up take-up (stock) pan 21 and the receiving material connecting portion 22 that leaks hopper-shaped, can enlarge and connect the material scope of connecing material subassembly 2, avoided leaking to connect the problem that the volume of broadcasting of the material is influenced to the material that falls down from getting in the material chamber 124.

Optionally, a sealing gasket (not shown in the figure) is arranged on the receiving tray 21, and the sealing gasket can seal a gap between one side face, away from the material taking upper shell 111, of the receiving tray 21 and the material taking lower shell 112, so that a closed material receiving space is formed between the material taking assembly 1 and the material receiving assembly 2, and the influence of material splashing on the broadcasting consumption of the materials is avoided.

Referring to fig. 3 and 11, the feeding assembly 3 includes an air blowing member 31, an air blowing pipe 32 and a feeding pipe 33, the feeding pipe 33 is communicated with the discharge port 1128 through the material receiving assembly 2, the air blowing pipe 32 is communicated with the feeding pipe 33, the air blowing member 31 is disposed at one end of the air blowing pipe 32 far away from the feeding pipe 33, and the air blowing member 31 is installed in the second chamber 114 through the installation port 1129.

A cover plate 19 for blocking the mounting port 1129 is detachably arranged at the mounting port 1129, and the air blowing member 31 is blocked in the second chamber 114 by the cover plate 19. Through setting up apron 19, can be directly with air supply 31 shutoff in second cavity 114, reduced the fixed degree of difficulty of air supply 31, the dismouting of being convenient for.

The cover plate 19 is fixed on the material taking lower shell 112 through screws, and the air supply part 31 is connected with the end part of the air supply pipe 32 through screws. The screw connection mode can reduce the difficulty of component assembly.

In other embodiments, a screw may be further provided to connect the blower 31 to the third wall 1123 of the lower material-taking shell 112, specifically, the blower 31 is installed in the second chamber 114 through the installation port 1129, and the blower 31 is detachably connected to the third wall 1123 through the screw. Through screw connection air supply piece 31 and third wallboard 1123, can increase the fixed strength of air supply piece 31, prevent effectively that air supply piece 31 from droing, can also prevent simultaneously that the ware of broadcasting from taking place to rock air supply piece 31 in the use.

The air supply member 31 is provided with a first connecting plate 311, the first connecting plate 311 is provided with a second through hole, the air supply pipe 32 is connected with a second connecting plate 321 arranged at one end of the air supply member 31, the second connecting plate 321 is provided with a threaded hole, a third through hole is arranged on the third wall plate 1123 corresponding to the second through hole, the screw is a long screw, and the long screw sequentially penetrates through the third through hole and the second through hole and is screwed into the threaded hole to connect the third wall plate 1123, the air supply member 31 and the air supply pipe 32. The design can adopt a long screw to replace a screw for connecting the third wall plate 1123 and the air supply member 31 and a screw for connecting the air supply member 31 and the air supply pipe 32, thereby reducing the use amount of the screws and saving the cost.

The installation steps of the feeding component 3 are as follows: firstly, the blast pipe 32 and the feeding pipe 33 are welded, then the blast part 31 is arranged in the second chamber 114 from bottom to top, the assembly formed by assembling the blast pipe 32 and the feeding pipe 33 is placed at the corresponding position, then the third wall plate 1123, the blast part 31 and the blast pipe 32 are fixed through long screws, and finally the cover plate 19 is fixed at the mounting opening 1129 through screws.

Referring to fig. 4, a step 117 is projected from the partition 115 in the second chamber 114, and the step 117 is spaced apart from the cover plate 19, and a second opening through which the blower duct 32 passes is formed therebetween.

An air inlet 116 is formed on the wall of the second chamber 114 corresponding to the air supply member 31. Specifically, the third wall 1123 is provided with the air inlet 116.

The quantity of the material receiving connecting parts 22 of the material receiving assembly 2 and the number of the feeding pipes 33 of the material feeding assembly 3 are the same as the quantity of the material taking cavities 124 in each row, and the material receiving connecting parts 22 are communicated with the feeding pipes 33 in a one-to-one correspondence manner. Specifically, taking each row of the material taking wheel 12 provided with 4 material taking cavities 124 as an example, the number of the material receiving connecting portions 22 and the number of the feeding pipes 33 are 4, and the material receiving connecting portions 22 and the feeding pipes 33 are communicated in a one-to-one correspondence manner to form 4 independent material receiving and feeding channels, and by arranging a plurality of material taking cavities 124 and a plurality of corresponding material receiving connecting portions 22 and feeding pipes 33, the broadcast width can be increased and the broadcast sowing efficiency of the materials can be improved.

An air outlet is formed in the non-end position of the feeding pipe 33, and one end, far away from the air supply piece 31, of the air supply pipe 32 is welded at the air outlet. The air supply part 31 can be a fan or an air compressor, when the material is broadcast, the controller controls the air supply part 31 to provide high-speed airflow at the air outlet, so that negative pressure is formed at the material outlet 1128, the material in the material receiving disc 21 enters the feeding pipe 33 at an accelerated speed, the material entering the feeding pipe 33 is discharged from one end, away from the material outlet 1128, of the feeding pipe 33 under the accelerated speed of the high-speed airflow, and the material broadcast is realized. Provide high-speed air current through setting up air supply part 31, improved the speed that the material got into conveying pipe 33 and the material from conveying pipe 33 exhaust speed for the material is broadcast and have good directive property, avoids the material to receive the influence of natural crosswind or unmanned aerial vehicle rotor wind, has guaranteed the broadcast width of a film that the material was broadcast and is broadcast.

Referring to fig. 3 and 12, a rectifying member 34 is disposed in the blast pipe 32, the rectifying member 34 is adjacent to the blast member 31, at least two rectifying air channels 341 are disposed on the rectifying member 34 at intervals, and the rectifying air channels 341 penetrate through the rectifying member 34 along the length direction of the blast pipe 32. Through setting up fairing 34, can be with the rotatory wind rectification that air supply 31 produced, the even smooth-going of wind that makes to enter into in the material feeding pipe 33 to it is more even to distribute when making materials such as seed departure.

The cross-sectional shape of the rectification air passage 341 may be circular, oval, polygonal, or irregular.

Specifically, as shown in fig. 12, the rectifying member 34 includes four rectifying plates 342, one end of each of the four rectifying plates 342 is connected together to form the rectifying member 34 with a cross-shaped cross section, a rectifying air duct 341 is formed between two adjacent rectifying plates 342 of the rectifying member 34 and the wall of the air supply pipe 32, four rectifying air ducts 341 are provided on the rectifying member 34, and the rectifying air ducts 341 are not regular in shape, that is, are of a special-shaped structure.

Referring to fig. 3, 13 and 14, the feeding assembly 3 further includes a shunt tube 35, the shunt tube 35 is connected to one end of the feeding pipe 33 far away from the material receiving connection portion 22 of the material receiving assembly 2, the shunt tube 35 is in an irregular tubular structure, the shunt tube 35 has a shunt first end 351 and a shunt second end 352 which are arranged oppositely, the shunt first end 351 and one end of the feeding pipe 33 far away from the material receiving assembly 2 are connected, the cross section of the shunt second end 352 can be in an oval shape, a plurality of shunt protrusions 353 are convexly arranged on the inner wall of the shunt tube 35, and the shunt protrusions 353 are arranged at intervals along the long axis direction of the shunt second. The cross section of the second shunting end 352 of the shunting pipe 35 is set to be elliptical, so that the spread materials can be spread in a fan shape, and the materials spread to the ground are distributed more uniformly; through set up a plurality of reposition of redundant personnel convex parts 353 in the inside of shunt tubes 35, and set up a plurality of reposition of redundant personnel convex parts 353 along the major axis direction interval of reposition of redundant personnel second end 352, can form a plurality of splitter boxes in the major axis direction of reposition of redundant personnel second end 352 for the material of broadcasting is more even when fan-shaped spreads. Optionally, the shunt tube 35 is a variable cross-section two-way structure, and the cross-section of the shunt tube 35 at the end connected to the feeding tube 33 (i.e., the shunt first end 351) is circular.

Specifically, the plurality of shunting protrusions 353 are divided into two sets of protrusion assemblies, each set of protrusion assembly is provided with at least two shunting protrusions 353, and the two sets of protrusion assemblies are symmetrically arranged along the long axis of the shunting second end 352.

Preferably, the area of the air outlet on the conveying pipe 33 is greater than the area of the terminal surface of the reposition of redundant personnel second end 352 of shunt tubes 35, under the same condition of airflow in the unit interval, the utility model discloses a conveying pipe 33 can form the higher air current of velocity of flow, is greater than the area of the terminal surface of the reposition of redundant personnel second end 352 of shunt tubes 35 through the area that sets up the air outlet promptly, under the air current of the same velocity of flow of demand, can reduce the consumption of air supply part 31, has improved the duration of unmanned aerial vehicle or the battery of broadcast ware.

Specifically, the length of the shunt protrusion 353 extends along the length of the shunt tube 35, and the end surface of the shunt protrusion 353 is flush with the end surface of the shunt second end 352. This setting can make the length of splitter box longer, and the material distribution is more even, and the splitter box directly extends to the terminal surface of reposition of redundant personnel second end 352, reduces the probability that the material mixes after the reposition of redundant personnel.

A shunt protrusion 353 is stamped into the wall of the shunt tube 35. The press-formed shunt convex portion 353 can effectively reduce the manufacturing difficulty, and the press-formed shunt convex portion 353 does not increase the thickness of the pipe wall of the shunt pipe 35, so that the weight of the whole shunt pipe 35 is prevented from being too heavy.

The end surface of the shunt first end 351 is disposed at an acute angle to the end surface of the shunt second end 352. The angle that shunt tubes 35 exported the material can be changed to this design, further promotes the degree of consistency that the material was broadcast.

The shunt tube 35 is removably connected to the feeding tube 33. Preferably, the shunt tube 35 is connected to the feeding tube 33 by a rotating hook.

Optionally, the shunt tube 35 is connected to the feeding tube 33 by a connecting assembly, the connecting assembly comprises a first boss 331 and a clamping groove 354 which are matched in an inserting manner, the first boss 331 is arranged on one of the feeding tube 33 and the shunt tube 35, and the clamping groove 354 is arranged on the other of the feeding tube 33 and the shunt tube 35.

Specifically, the feeding pipe 33 is annularly provided with four first bosses 331 adjacent to the outer peripheral surface of the shunt pipe 35, the inner wall of the shunt pipe 35 is concavely provided with four clamping grooves 354 respectively matched with the first bosses 331 in an inserting manner, the end surface of the shunt first end 351 is provided with an opening groove 355 communicated with the clamping grooves 354, and the first bosses 331 are inserted into the clamping grooves 354 through the opening groove 355 and are limited in the clamping grooves 354 after rotating for a specified angle. Of course, the number of the first bosses 331 and the card slots 354 is not limited to four, and may be two, three, or four or more.

In this embodiment, a limiting protrusion 356 is convexly disposed on a groove wall of the clamping groove 354 adjacent to the end surface of the shunting first end 351, a limiting groove 332 is disposed at a corresponding position on the first boss 331, and the limiting protrusion 356 is inserted into and matched with the limiting groove 332.

In other embodiments, a limiting groove 332 is concavely disposed on a groove wall of the clamping groove 354 adjacent to the end surface of the shunt first end 351, a limiting protrusion 356 is disposed at a corresponding position on the first boss 331, and the limiting protrusion 356 is inserted into and engaged with the limiting groove 332. The limiting groove 332 and the limiting protrusion 356 can enable the shunt tube 35 to be more stable after being installed and not easy to fall off.

Of course, the first boss 331 is not limited to be disposed on the outer circumferential surface of the feeding tube 33, the locking groove 354 is not limited to be disposed in the shunt tube 35, and the positions of the first boss 331 and the locking groove 354 may be switched.

The number of the feeding pipes 33 and the number of the shunt pipes 35 correspond to the number of the material receiving connecting portions 22, each shunt pipe 35 comprises two first shunt pipes 357 arranged at intervals and a second shunt pipe 358 arranged between the two first shunt pipes 357, an included angle between the end surface of the shunt second end 352 of each first shunt pipe 357 and the horizontal plane is alpha 1, an included angle between the end surface of the shunt second end 352 of each second shunt pipe 358 and the horizontal plane is alpha 2, and alpha 1 is larger than alpha 2. The larger corners of the diverter tubes 35 at the edge can cause the material at the outlets of the diverter tubes 35 at the edge to be thrown further.

In this embodiment, the first diversion pipe 357 is arc-shaped, the first diversion pipe 357 has a first arc-shaped inner wall and a second arc-shaped inner wall which are oppositely arranged, the length of the first arc-shaped inner wall is greater than that of the second arc-shaped inner wall, the first arc-shaped inner wall is convexly provided with a second boss 359, the length of the second boss 359 extends along the material conveying direction, and the second boss 359 is adjacent to the diversion second end 352. By providing the second projection 359, material at the outlet of the edge positioned shunt tube 35 can be thrown further.

Preferably, the positions of the splitter boxes on the first arc-shaped inner wall correspond to the positions of the splitter boxes on the second arc-shaped inner wall one by one.

The broadcaster also comprises a temperature sensor and/or a lighting device which are electrically connected with the controller, the temperature sensor can be used for detecting the temperature in the broadcaster or in the broadcasting environment so as to adjust the broadcaster, and the lighting device can be used for facilitating the user to perform broadcasting operation at night.

The utility model discloses still a plant protection equipment, including the equipment principal, the broadcast sowing device that is provided with in the equipment principal. The plant protection equipment can be unmanned aerial vehicles, tractors, and the like.

Specifically, use plant protection equipment as unmanned aerial vehicle for example, unmanned aerial vehicle includes unmanned aerial vehicle main part, flight control module and the utility model discloses a broadcast device, the below of the upper shed intercommunication material case of the water conservancy diversion frame 18 of broadcast device, pay-off subassembly 3 is connected with the unmanned aerial vehicle main part, and the controller is connected with flight control module electricity (not shown).

The utility model discloses unmanned aerial vehicle can be based on real-time flight speed and the material quantity of getting among the preset volume adjustment broadcast sowing device of broadcast sowing, realizes the accurate control of material volume of broadcast sowing, can adjust the breadth of broadcasting according to the 3 pay-off speeds of topography real-time adjustment flying height and control pay-off subassembly simultaneously for the material broadcasts sowing more evenly.

In the description herein, references to the description of "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The utility model provides a broadcast device, its characterized in that, includes gets the material subassembly, get the material subassembly including getting the material casing, get the material casing including can dismantle the setting get the material epitheca and get the material inferior valve, get the material epitheca and set up the material entry, get the material epitheca with get and have the cavity between the material inferior valve, the cavity passes through the baffle and keeps apart to be first cavity and second cavity, can dismantle in the first cavity and be provided with and get the material wheel, get set up on the material inferior valve respectively with the bin outlet of first cavity intercommunication and with the installing port of second cavity intercommunication.

2. The spreader of claim 1, further comprising a material receiving assembly and a material feeding assembly, wherein the material receiving assembly is arranged on one side of the material taking lower shell away from the material taking upper shell, and the material receiving assembly is communicated with the material outlet; the feeding assembly comprises an air supply part, an air supply pipe and a feeding pipe, the air supply part is installed in the second cavity through the installation opening, one end of the air supply pipe is communicated with the air supply part, the other end of the air supply pipe is communicated with the non-end part of the feeding pipe, one end of the feeding pipe is communicated with the material receiving assembly, and the other end of the feeding pipe is used for broadcasting materials.

3. The spreader of claim 1, wherein the material taking upper shell is provided with a conical guide frame, the guide frame is provided with an upper opening and a lower opening, the size of the upper opening is larger than that of the lower opening, the upper opening is communicated with a material box, and the lower opening is communicated with the material inlet.

4. A spreader as claimed in claim 1, wherein the take-off wheel is located directly above the discharge opening.

5. The spreader of claim 1, wherein the lower pickup shell has first and second oppositely disposed walls, one end of the first wall plate is connected with one end of the second wall plate through a third wall plate, the other end of the first wall plate forms a first opening communicated with the outside, the two ends of the clapboard are respectively connected with the first wall plate and the second wall plate, the clapboard and the third wall plate are arranged at intervals, the first wall plate is provided with an inserting groove, the notch of the inserting groove is communicated with the first opening, the second wall plate is provided with a mounting hole, the material taking wheel is rotatably arranged in the first cavity, the material taking wheel comprises a wheel body, a first connecting shaft and a second connecting shaft which are arranged at two ends of the wheel body, the first connecting shaft is inserted in the inserting groove, the second connecting shaft is inserted in the mounting hole, and the sealing plate is detachably arranged at the first opening.

6. A spreader as claimed in claim 5, wherein the wheel body is provided with a plurality of material taking chambers, a scraper plate and a guide plate are provided in the first chamber, one end of the scraper plate is connected to the sealing plate, the other end of the scraper plate is connected to a circumferential surface of the material taking wheel, and the guide plate is provided between the sealing plate and the scraper plate for shielding the sealing plate and guiding the material to the discharge port.

7. The spreader of claim 2, wherein the mounting opening is detachably provided with a cover plate for closing the mounting opening, and the air supply member is closed in the second chamber by the cover plate.

8. A broadcast as claimed in claim 7, wherein a step is provided in the second chamber and on the baffle, the step being spaced from the cover to define a second opening therebetween through which the supply air duct passes.

9. A broadcast sowing apparatus, comprising a broadcaster according to any one of claims 1 to 8, wherein a plant protection material tank is arranged on the broadcaster and is communicated with the broadcaster.

10. A plant protection device comprising a device body, wherein a broadcast device according to claim 9 is provided on said device body.