Sowing device and unmanned aerial vehicle

Abstract

The invention discloses a sowing device and an unmanned aerial vehicle, and relates to the technical field of feeding. The sowing device comprises a feeding mechanism and a sowing mechanism. The feeding mechanism comprises an outer shell, a feeding assembly and a locking assembly corresponding to the feeding assembly, and the feeding assembly is detachably arranged on the outer shell through the locking assembly. The outer shell is provided with a containing cavity, the containing cavity is roughly of a hollow cylindrical structure, the outer shell is further provided with an opening communicated with the containing cavity, and the feeding assembly stretches into the containing cavity of the outer shell through the opening. The sowing mechanism is used for sowing the materials output by the feeding assembly. The feeding assembly of the sowing device is detachably arranged on the outer shell through the locking assembly, so that mounting and dismounting operation and maintenance operation such as cleaning are facilitated, the operation efficiency and quality can be guaranteed, and the operation cost is reduced; and meanwhile, the stability and reliability of the feeding mechanism can be guaranteed through the locking assembly, so that the efficiency and quality of feeding operation are guaranteed.

Description

[0001] This application is a divisional application of the invention patent application filed on December 13, 2021, with the invention name “A feeding mechanism, a spreading device and a drone” and application number 202111523277.9. Technical Field

[0002] The present invention relates to the technical field of feeding materials, and in particular to a spreading device and a drone. Background Art

[0003] In the prior art, a drone can be equipped with a spreading device to perform crop spreading operations. The spreading device usually includes an outer shell, a feeding assembly arranged in the outer shell, and a spreading mechanism connected to the feeding assembly. The feeding assembly is used to transport materials to the spreading mechanism, and the spreading mechanism is used to spread the materials output by the feeding assembly to complete the spreading operation.

[0004] However, since the materials required for crops may be fertilizers or liquid medicines with high viscosity, the materials with high viscosity are easily deposited in the feeding mechanism and even adhere to the outer shell, making the cleaning operation of the entire spreading device more complicated, with problems such as low cleaning efficiency, poor cleaning quality and high maintenance cost. Summary of the invention

[0005] The object of the present invention is to provide a spreading device and a drone with high cleaning efficiency and quality and low maintenance cost.

[0006] The embodiment of the present invention is achieved as follows:

[0007] In a first aspect, the present invention provides a spreading device, comprising:

[0008] Feeding mechanism; the feeding mechanism comprises an outer shell, a feeding assembly and a locking assembly arranged corresponding to the feeding assembly, and the feeding assembly is detachably arranged on the outer shell through the locking assembly;

[0009] The outer shell has a receiving chamber, which is generally a hollow cylindrical structure. The outer shell also has an opening connected to the receiving chamber, and the feeding assembly extends into the receiving chamber of the outer shell through the opening.

[0010] A spreading mechanism is used to spread the material output by the feeding assembly.

[0011] In an optional embodiment, the locking assembly includes a locking body, a first locking member and a second locking member, the locking body is arranged at the opening, the first end of the locking body is pivotally connected to the outer shell through a first pivot axis to move between a closed position and an extended position relative to the outer shell, the first locking member is arranged at the second end of the locking body, the second locking member is arranged at a position of the outer shell adjacent to the opening, and one of the first locking member and the second locking member is a lock buckle, and the other of the two is a lock hook;

[0012] When the locking body rotates around the first pivot axis to the closed position, the first locking member is buckled with the second locking member, and when the locking body rotates around the first pivot axis to the expanded position, the first locking member is separated from the second locking member.

[0013] In an optional embodiment, the first locking member includes a buckling portion and a locking portion, the second locking member is a locking hook, the locking hook has a groove, and the locking body is provided with a hook portion;

[0014] When the locking body is located at the closed position, the buckling portion is buckled in the groove. When the buckling portion is buckled in the groove, the locking portion can be rotated and buckled in the hook portion.

[0015] In an optional embodiment, the first locking member includes a pivot portion, and the locking assembly includes an elastic member, one end of the elastic member abuts against the pivot portion, and the other end abuts against the locking portion, and when the locking portion is snapped into the groove, the elastic member is configured to snap the locking portion into the hook portion under elastic action.

[0016] In an optional embodiment, the first locking member includes a pivot portion, the locking portion is located on a side of the pivot portion close to the locking body, the locking portion is provided with a hook portion, and the locking body is provided with the hook portion matching the hook portion at a position adjacent to the locking portion.

[0017] In an optional embodiment, the first locking member includes a pivoting portion, and a friction pattern is provided on a side of the pivoting portion away from the locking body.

[0018] In an optional embodiment, the outer shell has a curved inner wall disposed adjacent to the opening, and the curved inner wall is opposite to the locking assembly.

[0019] In an optional embodiment, a mating groove is provided on the locking body, and the mating groove is a long groove structure extending along the circumference of the outer shell. When the locking body is in a closed position, the mating groove is plugged into a mating protrusion, and the mating protrusion is a long protrusion structure.

[0020] In an optional embodiment, the receiving chamber has an inlet, and the inlet is connected to the outlet of the storage container.

[0021] In an optional embodiment, the locking body is a semicircular structure whose curvature matches the curvature of the receiving chamber, and when the locking body rotates around the first pivot axis to the closed position, an annular circumferential closed structure is formed between the locking body and the outer shell.

[0022] In an optional embodiment, the opening is a circular or semicircular opening located on one side of the outer shell.

[0023] In an optional embodiment, the outer shell is provided with a feed port connected to the receiving chamber, the feed port is used to input materials, and the opening is a long strip opening extending along the axial direction thereof opposite to the feed port.

[0024] In an optional embodiment, the spreading mechanism includes a spreading motor, a spreading disc and a protective cover, the protective cover forms a chamber for accommodating the spreading disc, the spreading disc is rotatably arranged in the chamber, the spreading motor is transmission-connected to the spreading disc and can drive the spreading disc to rotate so as to spread the material when the spreading disc rotates.

[0025] In an optional embodiment, the feeding assembly includes a feeding piece, the feeding piece is a feeding auger, and the feeding auger includes a feeding shaft and blades spirally arranged on the circumferential outer side of the feeding shaft.

[0026] In an optional embodiment, the spreading device is a spreading device of a drone.

[0027] In a second aspect, the present invention provides a drone, comprising:

[0028] body;

[0029] A material storage container, used to hold materials, having a feed port and a discharge port, wherein the feed port is used to input materials;

[0030] The spreading device described in any one of the aforementioned embodiments is arranged below the storage container and is connected to the discharge port.

[0031] The embodiments of the present invention have at least the following advantages or beneficial effects:

[0032] An embodiment of the present invention provides a spreading device, in which a feeding assembly is detachably arranged on an outer shell through a locking assembly, which is convenient for installation and disassembly operations, as well as maintenance operations such as cleaning, and can improve cleaning efficiency and quality; at the same time, when its feeding mechanism is performing a feeding operation, the locking assembly can ensure the reliability and stability of the feeding operation, thereby improving the feeding and spreading efficiency; it has the advantages of high installation, disassembly and maintenance efficiency and quality, low maintenance cost for operations such as cleaning, and high feeding and spreading efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 A schematic diagram of the structure of a drone provided by an embodiment of the present invention;

[0035] Figure 2 A schematic diagram of the structure of a storage container provided in an embodiment of the present invention Figure 1 ;

[0036] Figure 3 A schematic diagram of the structure of a storage container provided in an embodiment of the present invention Figure 2 ;

[0037] Figure 4 A schematic diagram of the structure of a spreading device provided in an embodiment of the present invention Figure 1 ;

[0038] Figure 5 A schematic diagram of the structure of a spreading device provided in an embodiment of the present invention Figure 2 ;

[0039] Figure 6 An exploded schematic diagram of a spreading device provided by an embodiment of the present invention;

[0040] Figure 7 An exploded schematic diagram of a spreading mechanism of a spreading device provided in an embodiment of the present invention;

[0041] Figure 8 A schematic diagram of the structure of the outer shell of the feeding mechanism provided in the embodiment of the present invention Figure 1 ;

[0042] Fig. 9 A schematic diagram of the structure of the outer shell of the feeding mechanism provided in the embodiment of the present invention Figure 2 ;

[0043] Fig.10 A schematic structural diagram of an inner shell of a feeding mechanism provided in an embodiment of the present invention;

[0044] Fig.11 A schematic diagram of the structure of the locking assembly of the feeding mechanism provided in the embodiment of the present invention Figure 1 ;

[0045] Fig.12 A schematic diagram of the structure of the locking assembly of the feeding mechanism provided in the embodiment of the present invention Figure 2 ;

[0046] Fig.13 A schematic diagram of the structure of the locking body of the feeding mechanism provided in an embodiment of the present invention Figure 3 .

[0047] Icons: 100-UAV; 101-fuselage; 103-load frame; 105-landing gear; 107-storage container; 108-feeding port; 109-spreading device; 110-discharging port; 111-spreading mechanism; 113-feeding mechanism; 114-feeding assembly; 115-spreading motor; 117-spreading plate; 119-protective upper cover; 121-protective lower cover; 123-outer shell; 125-inner shell; 127-locking assembly; 129-accommodating chamber; 131-feeding port; 133-feeding piece; 134-opening; 135-entrance; 137-exit; 1 39-driving assembly; 140-driving cavity; 141-driving motor; 143-first gear; 145-second gear; 147-third gear; 149-motor cavity; 151-motor cover; 153-gear cover; 155-locking body; 157-first locking member; 159-second locking member; 161-groove; 163-buckle part; 165-pivot part; 166-friction pattern; 167-buckle part; 169-hook part; 171-hook-shaped part; 173-matching groove; 175-matching protrusion; 177-guide groove; 179-guide protrusion; 181-arc inner wall. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0049] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0051] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0052] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0053] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the related art, when the spreading device of the drone is performing a spreading operation, materials are easily deposited in the feeding mechanism and even adhere to the outer shell or the inner shell, making the cleaning operation of the entire spreading device more complicated, with problems such as low cleaning efficiency, poor cleaning quality, and high maintenance costs.

[0055] In view of this, the present embodiment provides a drone, the inner shell and outer shell of the feeding mechanism of which are detachable and matched, which is convenient for installation and disassembly operations, as well as maintenance operations such as cleaning, and can improve cleaning efficiency and quality; at the same time, when the feeding mechanism is performing feeding operations, the inner shell can be locked relative to the outer shell through a locking assembly, which can ensure the reliability and stability of the feeding operation, thereby improving the feeding and spreading efficiency. The structure of the drone is described in detail below.

[0056] Figure 1 This is a schematic diagram of the structure of the drone 100 provided in this embodiment. Figure 1 This embodiment provides a drone 100, which is used to carry a spreading device 109 to spread materials. Of course, in other embodiments, the drone 100 can also carry other operating equipment to perform other agricultural operations, such as carrying a spraying device to spray pesticides, etc., which is not limited in this embodiment.

[0057] In detail, Figure 2 The structure of the material storage container 107 provided in this embodiment is shown in FIG. Figure 1 ; Figure 3 The structure of the material storage container 107 provided in this embodiment is shown in FIG. Figure 2 . See Figures 1 to 3 In this embodiment, the UAV 100 specifically includes a fuselage 101 , a load frame 103 , a landing gear 105 , a storage container 107 and a spreading device 109 .

[0058] The fuselage 101 is the main structure of the drone 100, and the load frame 103 is arranged below the fuselage 101 for installing the landing gear 105. The material storage container 107 is arranged on the load frame 103, and the material storage container 107 is used to hold materials, and has a feed port 108 and a discharge port 110, the feed port 108 is used to input materials, and the sowing device 109 is arranged below the material storage container 107 and is connected to the discharge port 110, and the discharge port 110 can output materials to the sowing device 109, so that the sowing device 109 can perform sowing operations.

[0059] Figure 4 The structure of the spreading device 109 provided in this embodiment is shown in FIG. Figure 1 ; Figure 5 The structure of the spreading device 109 provided in this embodiment is shown in FIG. Figure 2 ; Figure 6 This is an exploded schematic diagram of the spreading device 109 provided in this embodiment. Figures 4 to 6 In this embodiment, the spreading device 109 specifically includes a feeding mechanism 113 and a spreading mechanism 111 .

[0060] In detail, the feeding mechanism 113 includes an outer shell 123, at least one feeding assembly 114, and at least one locking assembly 127 corresponding to at least one feeding assembly 114. Each feeding assembly 114 is detachably arranged on the outer shell 123 through a locking assembly 127, and the number of the spreading mechanisms 111 matches the number of the feeding assemblies 114, so that each feeding assembly 114 is provided with a corresponding spreading mechanism 111. Each feeding assembly 114 is communicated with the discharge port 110 of the storage container 107, and can receive the material output by the storage container 107. The feeding assembly 114 can transport the material to the spreading mechanism 111 at the corresponding position, so that the spreading mechanism 111 can perform the spreading operation.

[0061] It should be noted that Figure 7 This is an exploded schematic diagram of the spreading mechanism 111 of the spreading device 109 provided in this embodiment. Figure 7 In this embodiment, the spreading mechanism 111 specifically includes a spreading motor 115, a spreading disc 117 and a protective cover. The protective cover is fixedly connected to the feeding assembly 114, and includes a protective upper cover 119 and a protective lower cover 121. The protective upper cover 119 and the protective lower cover 121 are relatively covered to form a chamber for accommodating the spreading disc 117, and the chamber is connected to the feeding assembly 114. The spreading disc 117 is rotatably arranged in the chamber. The spreading motor 115 is arranged on the protective cover and is in transmission connection with the spreading disc 117, and can drive the spreading disc 117 to rotate, so as to spread the material when the spreading disc 117 rotates.

[0062] In more detail, Figure 8 The structure of the outer shell 123 of the feeding mechanism 113 provided in this embodiment is schematically shown in FIG. Figure 1 ; Fig. 9 The structure of the outer shell 123 of the feeding mechanism 113 provided in this embodiment is schematically shown in FIG. Figure 2 . See Figures 4 to 6 ,as well as Figure 8 and Fig. 9 In this embodiment, the feeding mechanism 113 specifically includes two feeding components 114 and two locking components 127. Each feeding component 114 is locked relative to the outer shell 123 by the locking component 127 at the corresponding position. The sowing mechanism 111 is also correspondingly provided with two, and is provided one-to-one with the two feeding components 114 to perform sowing operations respectively. Of course, in other embodiments, the number of feeding components 114, locking components 127 and sowing mechanisms 111 can also be increased or decreased according to demand, and this embodiment does not limit it.

[0063] Please refer again Figures 4 to 9In order to install two feeding assemblies 114, in this embodiment, the outer shell 123 of the feeding mechanism 113 is provided with two spaced receiving chambers 129, each receiving chamber 129 is generally a hollow cylindrical structure, so that each feeding assembly 114 can be at least partially detachably accommodated in the receiving chamber 129 at the corresponding position to perform feeding operations. At the same time, each receiving chamber 129 has an inlet 131, and the inlet 131 is connected to the outlet 110 of the storage container 107. The outlet 110 can be set to one to simultaneously deliver materials to the two inlets 131, or it can be set to two to deliver materials to the two inlets 131 respectively.

[0064] In detail, Fig.10 For a structural diagram of the inner shell 125 of the feeding mechanism 113 provided in this embodiment, please refer to Figure 6 and Fig.10 In this embodiment, each feeding assembly 114 includes an inner shell 125 and a feeding member 133. The inner shell 125 is a cylindrical structure that matches the size of the receiving chamber 129. The inner shell 125 can be at least partially detachably received in the receiving chamber 129, and the inner shell 125 is provided with an inlet 135 and an outlet 137. The inlet 135 is connected to the feed port 131 and is used to receive the material input from the feed port 131. The feeding member 133 is movably arranged in the inner shell 125 and is used to transport the material input from the inlet 135 to the outlet 137. The outlet 137 is used to output the material to the sowing mechanism 111 at the corresponding position for sowing operation. The locking assembly 127 is movably arranged in the outer shell 123 and is used to lock the inner shell 125 received in the corresponding position in the receiving chamber 129 to ensure that the feeding mechanism 113 can smoothly perform the feeding operation.

[0065] Through such an arrangement, on the one hand, the inner shell 125 and the outer shell 123 of the feeding mechanism 113 can be detachably matched, which can facilitate the installation and disassembly of the two, and can also facilitate the cleaning and other maintenance operations of the two, thereby improving the working efficiency and cleaning efficiency, ensuring the working quality, and reducing the maintenance cost; on the other hand, the feeding mechanism 113 is provided with a locking assembly 127, which can lock the inner shell 125 when the inner shell 125 is matched with the outer shell 123, thereby ensuring the stability and reliability of the feeding mechanism 113, and ensuring the efficiency and quality of the feeding operation.

[0066] It should be noted that, in this embodiment, the feeding member 133 is specifically selected as a feeding auger, which includes a feeding shaft extending between the inlet 135 and the outlet 137, and blades spirally arranged on the circumferential outer side of the feeding shaft, and the blades are at least partially opposite to the inlet 135. The rotation of the feeding shaft can drive the blades to transport the material input from the inlet 135 to the outlet 137.

[0067] At the same time, since two feeding assemblies 114 are provided in this embodiment, in order to realize the simultaneous operation of the two feeding assemblies 114, a driving motor 141 and a driving assembly 139 can also be provided as required, and the outer shell 123 is formed with a motor cavity 149 between the two receiving chambers 129, and the driving motor 141 can be accommodated in the motor cavity 149 to ensure the stability of the driving motor 141, and a motor cover 151 can be provided on the outside of the motor cavity 149 to ensure the safety of the driving motor 141. A driving cavity 140 is also provided at the end of the outer shell 123, and the driving assembly 139 is accommodated in the driving cavity 140, and a gear cover 153 is provided on the outer cover of the driving cavity 140 to ensure the driving assembly 139. In addition, the driving assembly 139 specifically includes a first gear 143, a second gear 145 and a third gear 147 that are meshed in sequence. The second gear 145 is located between the first gear 143 and the third gear 147. The second gear 145 is connected to the driving motor 141 in a transmission connection. The first gear 143 and the third gear 147 are respectively connected to the feeding shafts of the two feeding members 133 in a transmission connection. When the driving motor 141 drives the second gear 145 to rotate, the first gear 143 and the third gear 147 on both sides can be driven respectively to drive the two feeding members 133 to perform feeding operations, so as to output the materials to the sowing mechanism 111 at the corresponding position for sowing operations.

[0068] Fig.11 The structure of the locking assembly 127 of the feeding mechanism 113 provided in this embodiment is shown in FIG. Figure 1 ; Fig.12 The structure of the locking assembly 127 of the feeding mechanism 113 provided in this embodiment is shown in FIG. Figure 2 ; Fig.13 The structure of the locking body 155 of the feeding mechanism 113 provided in this embodiment is shown in FIG. Figure 3 . See Figure 6 ,as well as Figures 11 to 13 In order to ensure that the locking assembly 127 can effectively lock the inner shell 125 at the corresponding position relative to the outer shell 123, in this embodiment, the locking assembly 127 includes a locking body 155, a first locking member 157 and a second locking member 159.

[0069] In detail, the locking body 155 is disposed on the outer shell 123, and has a closed position in which it is closed relative to the outer shell 123 and an extended position in which it is extended relative to the outer shell 123. The first locking member 157 is disposed on the locking body 155, and the second locking member 159 is disposed on the outer shell 123. When the locking body 155 is located at the closed position, the first locking member 157 can cooperate with the second locking member 159, so that the locking body 155 and the outer shell 123 together form a circumferential closed structure for holding the inner shell 125, that is, when the inner shell 125 is accommodated in the outer shell 123, the circumferential closed structure formed by the outer shell 123 and the locking body 155 is in contact with the outer circumferential surface of the inner shell 125. When the locking body 155 is located at the extended position, the first locking member 157 and the second locking member 159 are separated, and the inner shell 125 can be separated from the outer shell 123.

[0070] By configuring the locking body 155, the first locking member 157 and the second locking member 159, when the feeding assembly 114 needs to be disassembled or maintained, it is only necessary to separate the first locking member 157 and the second locking member 159 and drive the locking body 155 to move to the unfolded position. When the feeding assembly 114 needs to be installed, it is only necessary to extend the inner shell 125 into the accommodating chamber 129 and then drive the locking body 155 to move to the closed position and make the first locking member 157 and the second locking member 159 cooperate.

[0071] That is, by setting the locking assembly 127, the installation and disassembly operations can be facilitated, and the stability between the inner shell 125 and the outer shell 123 after installation can be ensured, thereby ensuring the stability and reliability of the feeding operation and the spreading operation. Similarly, when maintenance operations such as cleaning are required, it is only necessary to separate the first locking member 157 and the second locking member 159, and take out the inner shell 125 to clean the outer shell 123 and the inner shell 125 respectively, which has high cleaning efficiency, high cleaning quality, and relatively low cost.

[0072] Please refer again Figure 6 In this embodiment, the outer shell 123 is further provided with an opening 134 communicating with the receiving chamber 129. The opening 134 can be a circular or semicircular opening located on the side of the outer shell 123 away from the driving assembly 139, or a long strip opening extending along the axial direction thereof opposite to the entire feed port 131. In this embodiment, the opening 134 is selected to be a long strip opening opposite to the feed port 131, and the inner shell 125 is received in the receiving chamber 129 through the opening 134. This arrangement not only facilitates the installation and operation of the locking body 155, but also facilitates the discharge of materials and avoids the accumulation of materials in the outer shell 123.

[0073] Meanwhile, the locking body 155 is disposed at the opening 134, specifically at the end of the opening 134 in the length direction away from the driving assembly 139. In other embodiments, it can also be disposed at the middle position in the length direction of the opening 134, etc., as long as the locking effect can be ensured. In addition, the locking body 155 is a semicircular structure whose curvature matches the curvature of the receiving chamber 129. The first end of the locking body 155 is pivotally connected to the outer shell 123 through a first pivot axis to move between a closed position and an extended position relative to the outer shell 123. The first locking member 157 is disposed at the second end of the locking body 155, and the second locking member 159 is disposed at a position of the outer shell 123 adjacent to the opening 134. One of the first locking member 157 and the second locking member 159 is a lock buckle, and the other is a lock hook.

[0074] By such arrangement, the locking body 155 can rotate around the first pivot axis, so as to move between the closed position and the extended position. Furthermore, when the locking body 155 rotates around the first pivot axis to the closed position, an annular circumferential closed structure is formed between the locking body 155 and the outer shell 123, and the first locking member 157 can be buckled with the second locking member 159, so that the annular circumferential closed structure is wrapped around the outer side of the inner shell 125 to lock the inner shell 125. Similarly, when the locking body 155 can rotate around the first pivot axis to the extended position, the first locking member 157 is separated from the second locking member 159, so that the inner shell 125 can be separated from the outer shell 123, so as to facilitate cleaning and other maintenance operations.

[0075] Of course, in other embodiments, the locking body 155 can also be set to an annular structure. For example, the locking body 155 can be set to an annular structure with an opening, and the two ends of the opening are locked by locking screws to relatively lock the outer shell 123 and the inner shell 125; or, the locking body 155 can also be directly set to a locking screw movably set on the outer shell 123, which can directly pass through the opening 134 and lock the inner shell 125; or, it can be set to a plug-in column, which can pass through the opening 134 and insert into the inner shell 125 to lock the inner shell 125, etc., as long as the stability of the inner shell 125 after locking is ensured, and this embodiment is not limited.

[0076] In addition, in this embodiment, the outer shell 123 is provided with an arc-shaped inner wall 181 adjacent to each opening 134, and the arc-shaped inner wall 181 is provided with the same arc as the inner shell 125, and the arc-shaped inner wall 181 is opposite to the locking assembly 127. With such a configuration, when the inner shell 125 passes through the corresponding opening 134 and is received in the corresponding receiving chamber 129, the arc-shaped inner wall 181 and the locking assembly 127 can hold the inner shell 125 together. On the one hand, the arcuate inner wall 181 and the locking assembly 127 jointly hold the inner shell 125, which can effectively improve the stability of the inner shell 125, thereby ensuring the stability and reliability of the feeding and sowing operations; on the other hand, the arcuate inner wall 181 is opposite to the locking assembly 127, so when the locking assembly 127 performs the locking operation, the inner shell 125 will move toward the arcuate inner wall 181. Since the arcuate inner wall 181 and the inner shell 125 are set with the same arc, the two can be concentric after matching, and the stability and reliability after matching are higher, and it is also easier to ensure that the two feeding parts 133 can be in the same state and position, which can ensure the uniformity and synchronization of feeding and sowing.

[0077] In detail, in this embodiment, Figure 8 As shown, the second locking member 159 is a locking hook, and the locking hook has a groove 161. Figures 11 to 13 As shown, the first locking member 157 is a lock, and the first locking member 157 includes a buckle 163 that can rotate relative to the locking body 155. The buckle 163 is an annular or hook-shaped structure. In this embodiment, it is a rod-shaped annular structure. When the locking body 155 is in the closed position, the buckle 163 is buckled in the groove 161 to ensure the stability of the inner shell 125 after it is accommodated in the outer shell 123, thereby ensuring the efficiency and quality of feeding and spreading operations. When the locking body 155 is in the expanded position, the buckle 163 is separated from the groove 161, so that the inner shell 125 can be taken out relative to the outer shell 123 for cleaning and other maintenance operations.

[0078] As an alternative, please refer again to Figures 11 to 13In this embodiment, the first locking member 157 further includes a pivoting portion 165 and a locking portion 167. The pivoting portion 165 is in a plate-like or block-like structure. The pivoting portion 165 is pivoted to the locking body 155 via a second pivot axis. The locking portion 163 is pivoted to the pivoting portion 165 via a third pivot axis. The locking portion 167 is also in a block-like or plate-like structure. The locking portion 167 is rotatably disposed on a side of the pivoting portion 165 close to the locking body 155. The locking portion 167 is provided with a hook-shaped portion 171. At the same time, a hook portion 169 matching the hook-shaped portion 171 is disposed at a position of the locking body 155 adjacent to the locking portion 167. When the locking portion 163 is buckled to the groove 161, the locking portion 167 can rotate and buckle to the hook portion 169. By providing the pivotal portion 165 and the locking portion 167, the stability of the locking portion 163 and the groove 161 after being locked can be fully guaranteed, and the probability of accidental separation of the locking portion 163 and the groove 161 can be reduced, thereby fully ensuring the stability and reliability of the feeding mechanism 113, and fully ensuring the efficiency and quality of the feeding and spreading operations.

[0079] Further optionally, in the present embodiment, a friction pattern 166 is provided on the side of the pivot portion 165 away from the locking body 155, and the friction pattern 166 is used to increase the friction force when the user manually drives the pivot portion 165 to move, so as to improve the convenience and reliability of the disassembly and installation operations of the inner shell 125 and the outer shell 123.

[0080] Further preferably, in the present embodiment, the locking assembly 127 further comprises an elastic member, which is specifically a torsion spring, and the locking portion 167 is rotatably arranged through the elastic member, one end of the elastic member abuts against the pivoting portion 165, and the other end abuts against the locking portion 167, and when the fastening portion 163 is fastened to the groove 161, the elastic member is configured to make the locking portion 167 fastened to the hook portion 169 under the action of elasticity. Through the arrangement of the elastic member, the stability and reliability of the locking portion 167 after being matched with the hook portion 169 can be fully guaranteed, so as to fully guarantee the stability of the matching of the fastening portion 163 with the groove 161, thereby guaranteeing the stability of the inner housing 125 relative to the outer housing 123, and further guaranteeing the efficiency and quality of the feeding operation and the spreading operation.

[0081] Please refer again Figures 10 to 13In this embodiment, a matching protrusion 175 is provided on the inner shell 125, and a matching groove 173 matching the matching protrusion 175 is correspondingly provided on the locking body 155. When the locking body 155 is in the closed position, the matching protrusion 175 is plugged into the matching groove 173. Through the plug-in matching of the matching protrusion 175 and the matching groove 173, the stability of the inner shell 125 and the outer shell 123 after matching can be further improved, so that the inner shell 125 is not easy to escape from the receiving chamber 129 of the outer shell 123 during the feeding operation, which can fully ensure the stability and reliability of the feeding operation, and further ensure the efficiency and quality of the feeding operation and the sowing operation. At the same time, through the setting of the matching protrusion 175 and the matching groove 173, the installation process of the inner shell 125 and the outer shell 123 can also be positioned, so that the inner shell 125 can smoothly perform the feeding operation after being installed to the outer shell 123. Of course, in other embodiments, the mating protrusion 175 may also be provided on the locking body 155, and the mating groove 173 may also be correspondingly opened on the inner shell 125, as long as the stability of the mating protrusion 175 and the mating groove 173 after mating is ensured, which is not limited in this embodiment.

[0082] In detail, in this embodiment, the mating protrusion 175 is a long protrusion structure extending along the circumference of the inner shell 125, having a first end connected to the inner shell 125 and a second end extending in a direction away from the inner shell 125. The mating groove 173 is a long groove-shaped structure extending along the circumference of the outer shell 123. By setting it in this way, when the mating protrusion 175 and the mating groove 173 can be plugged in, the inner shell 125 can be effectively prevented from moving in the axial and circumferential directions, thereby fully ensuring the efficiency and quality of the feeding operation and the sowing operation. Of course, in other embodiments, the extension direction and shape of the mating protrusion 175 and the mating groove 173 can also be adjusted according to needs, as long as the stability of the entire feeding mechanism 113 can be guaranteed, and this embodiment does not limit it.

[0083] As an optional solution, in this embodiment, the size of the mating protrusion gradually decreases from the first end to the second end, and is roughly wedge-shaped. This arrangement can ensure the compactness and stability of the mating of the two, and on the other hand, when the locking assembly 127 gradually applies a locking force in the direction close to the inner shell 125, it can drive the inner shell 125 to move toward the arc-shaped inner wall 181, so that the two are mated and concentric, so as to ensure the stability, reliability and uniformity of the feeding and spreading operations.

[0084] As an optional solution, in this embodiment, a guide groove 177 is further provided on the outer shell 123, and a guide protrusion 179 is further provided at a corresponding position of the inner shell 125, and both the guide groove 177 and the guide protrusion 179 are extended along the direction in which the inner shell 125 is accommodated in the accommodating chamber 129, and when the inner shell 125 is accommodated in the accommodating chamber 129, the guide protrusion 179 is plugged into the guide groove 177. On the one hand, the setting of the guide protrusion 179 and the guide groove 177 can assist the inner shell 125 to be installed on the outer shell 123, and can locate and guide the installation position, which can improve the convenience and reliability of the installation process, thereby facilitating the improvement of the installation, disassembly and maintenance efficiency; on the other hand, since the guide protrusion 179 and the guide groove 177 both extend in the direction of the inner shell 125 being accommodated in the accommodating chamber 129, they are arranged at an angle with the matching protrusion 175 and the matching groove 173 arranged along the circumferential direction, and can thus jointly ensure the stability and reliability of the inner shell 125 and the outer shell 123 after installation with the matching protrusion 175 and the matching groove 173, thereby reducing the probability of the inner shell 125 accidentally escaping from the outer shell 123, so as to fully ensure the efficiency and quality of the feeding operation and the spreading operation. Of course, in other embodiments, the guide groove 177 may also be opened in the inner shell 125, and the guide protrusion 179 may also be correspondingly arranged in the outer shell 123, as long as the guide protrusion 179 and the guide groove 177 can be stably plugged together, which is not limited in this embodiment.

[0085] It should be noted that, in this embodiment, the locking assembly 127 is not limited to the method of locking the inner shell 125 and the outer shell 123 by hugging them, and other methods of locking can also be used. For example, the locking assembly 127 can also be set to a method of locking the inner shell 125 and the outer shell 123 by a method of locking the inner shell 125 and the outer shell 123. Screw holes are provided at corresponding positions of the locking body 155, the inner shell 125 and the outer shell 123, and the screws are used as locking members. After passing through the screw holes, the locking body 155, the inner shell 125 and the outer shell 123 are fastened and connected. In addition, the locking assembly 127 can also lock the inner shell 125 and the outer shell 123 by a snap-fitting method such as a buckle, a hook, a plug-in fitting method such as ...

[0086] The following is a detailed description of the installation process, working principle and beneficial effects of the drone 100 provided by the embodiment of the present invention:

[0087] When the drone 100 is installed, the load frame 103 can be installed on the fuselage 101 first, and the spreading device 109 can be installed. Then, the spreading device 109 can be set on the storage container 107 and connected with the storage container 107. Then, the storage container 107 and the landing gear 105 can be installed on the load frame 103 respectively. When installing the spreading device 109, the drive motor 141 can be installed in the motor cavity 149 first, and the motor cover 151 can be set outside the motor cavity 149. At the same time, the drive assembly 139 can be installed in the drive cavity 140, and the second gear 145 can be connected to the drive motor 141 in a transmission manner, and the gear cover 153 can be set outside the drive cavity 140. Then, the two spreading mechanisms 111 are fixedly connected to the inner shells 125 of the two feeding assemblies 114, and the first locking assemblies 127 of the two locking assemblies are fixedly connected. The locking member 157 and the second locking member 159 are separated, so that the locking body 155 moves to the expanded position, and the inner shells 125 of the two feeding assemblies 114 are respectively extended into the accommodating chamber 129 of the outer shell 123 through the opening 134, and respectively cooperate with the first gear 143 and the third gear 147; then the locking body 155 is driven to move to the closed position, so that the matching protrusion 175 is plugged into the matching groove 173, and the first locking member 157 and the second locking member 159 are buckled and matched.

[0088] When performing sowing operations, the drive motor 141 and the sowing motor 115 can be started. The drive motor 141 drives the first gear 143, the second gear 145 and the third gear 147 to rotate, so as to drive the feeding parts 133 of the two feeding assemblies 114 to rotate at the same time, so as to output the materials input from the inlet 135 from the outlet 137 to the corresponding sowing plate 117 respectively. The sowing plate 117 rotates under the drive of the sowing motor 115 to sow the materials.

[0089] In the above process, the inner shell 125 and the outer shell 123 of the feeding mechanism 113 can be detachably matched, which is convenient for installation, disassembly, cleaning and other maintenance operations, can ensure the operation efficiency and quality, and reduce the operation cost; at the same time, the locking assembly 127 can also be used to ensure the stability and reliability of the feeding mechanism 113 to ensure the efficiency and quality of the feeding operation.

[0090] In summary, the embodiments of the present invention provide a feeding mechanism 113, a spreading device 109 and a drone 100 with high cleaning efficiency and quality and low maintenance cost.

[0091] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A spreading device, characterized in that: include: Feeding mechanism; The feeding mechanism comprises an outer shell, a feeding assembly and a locking assembly corresponding to the feeding assembly, and the feeding assembly is detachably arranged on the outer shell through the locking assembly; The outer shell has a receiving chamber, which is generally a hollow cylindrical structure. The outer shell also has an opening connected to the receiving chamber, and the feeding assembly extends into the receiving chamber of the outer shell through the opening. A spreading mechanism is used to spread the material output by the feeding assembly.

2. The spreading device according to claim 1, characterized in that: The locking assembly comprises a locking body, a first locking member and a second locking member, wherein the locking body is arranged at the opening, a first end of the locking body is pivotally connected to the outer shell via a first pivot axis so as to move between a closed position and an extended position relative to the outer shell, the first locking member is arranged at the second end of the locking body, the second locking member is arranged at a position of the outer shell adjacent to the opening, and one of the first locking member and the second locking member is a lock buckle, and the other of the two is a lock hook; When the locking body rotates around the first pivot axis to the closed position, the first locking member is buckled with the second locking member, and when the locking body rotates around the first pivot axis to the expanded position, the first locking member is separated from the second locking member.

3. The spreading device according to claim 2, characterized in that: The first locking member includes a buckling portion and a locking portion, the second locking member is a locking hook, the locking hook has a groove, and the locking body is provided with a hook portion; When the locking body is located at the closed position, the buckling portion is buckled in the groove. When the buckling portion is buckled in the groove, the locking portion can be rotated and buckled in the hook portion.

4. The spreading device according to claim 3, characterized in that: The first locking member includes a pivotal portion, and the locking assembly includes an elastic member, one end of the elastic member abuts against the pivotal portion, and the other end abuts against the locking portion. When the locking portion is buckled into the groove, the elastic member is configured to enable the locking portion to be buckled into the hook portion under elastic action.

5. The spreading device according to claim 3, characterized in that: The first locking member includes a pivoting portion, the locking portion is located on a side of the pivoting portion close to the locking body, the locking portion is provided with a hook portion, and the locking body is provided with the hook portion matching the hook portion at a position adjacent to the locking portion.

6. The spreading device according to claim 2, characterized in that: The first locking member includes a pivoting portion, and a side of the pivoting portion away from the locking body is provided with friction patterns.

7. The spreading device according to claim 1, characterized in that: The outer shell has an arc-shaped inner wall disposed adjacent to the opening, and the arc-shaped inner wall is opposite to the locking assembly.

8. The spreading device according to claim 2, characterized in that: The locking body is provided with a matching groove, which is a long groove structure extending along the circumference of the outer shell. When the locking body is in the closed position, the matching groove is plugged into the matching protrusion, which is a long protrusion structure.

9. The spreading device according to claim 1, characterized in that: The receiving chamber has an inlet, and the inlet is communicated with the outlet of the storage container.

10. The spreading device according to claim 2, characterized in that: The locking body is a semicircular structure whose curvature matches that of the receiving chamber. When the locking body rotates around the first pivot axis to the closed position, an annular circumferential closed structure is formed between the locking body and the outer shell.

11. The spreading device according to claim 1, characterized in that: The opening is a circular or semicircular opening located on one side of the outer shell.

12. The spreading device according to claim 1, characterized in that: The outer shell is provided with a material inlet communicated with the receiving chamber, the material inlet is used for inputting materials, and the opening is a long strip opening extending along the axial direction thereof opposite to the material inlet.

13. The spreading device according to claim 1, characterized in that: The spreading mechanism includes a spreading motor, a spreading disc and a protective cover, wherein the protective cover forms a chamber for accommodating the spreading disc, and the spreading disc is rotatably arranged in the chamber. The spreading motor is transmission-connected to the spreading disc and can drive the spreading disc to rotate so as to spread the material when the spreading disc rotates.

14. The spreading device according to claim 1, characterized in that: The feeding assembly comprises a feeding piece, which is a feeding auger. The feeding auger comprises a feeding shaft and blades which are spirally arranged on the circumferential outer side of the feeding shaft.

15. The spreading device according to claim 1, characterized in that: The spreading device is a spreading device of a drone.

16. A drone, characterized in that: include: body; A material storage container, used to hold materials, having a feed port and a discharge port, wherein the feed port is used to input materials; The spreading device according to any one of claims 1 to 15, wherein the spreading device is arranged below the storage container and is connected to the discharge port.

Images