CN218703938U - Load mechanism, load mounting structure and unmanned aerial vehicle - Google Patents

Abstract

The utility model discloses a load mechanism, load mounting structure and unmanned aerial vehicle, relate to unmanned aerial vehicle's technical field, wherein, load mechanism includes the load container, load support and assembly support, the lower part of load support is formed with assembly portion, assembly portion provides the mounted position of load container, assembly support sets up in the material intracavity, assembly support accessible fixed subassembly runs through the load container and is connected with assembly portion, so that at least part load container is pressed from both sides and is put between load support and assembly support, form hoisting structure, and is concrete, assembly support is formed with the holding surface, the chamber wall in holding surface butt material chamber, with supporting load container, assembly support passes through the form of face contact and provides the support for the load container, with reduce the load container in the former fixed subassembly of atress process to its exerted pressure, effectively protect the connection structure between load container and the load support, reduce the damage probability of load container.

Description

Load mechanism, load mounting structure and unmanned aerial vehicle

Technical Field

The utility model relates to a technical field of unmanned aerial vehicle especially relates to a load mechanism, load mounting structure and unmanned aerial vehicle.

Background

Unmanned aerial vehicles can be used in agricultural, industrial, etc. scenarios, while agricultural unmanned aerial vehicles are unmanned aerial vehicles that help optimize agricultural operations, increase crop yields, and monitor crop growth.

In fields such as agriculture, animal husbandry, unmanned aerial vehicle can be at various operation equipment of its fuselage downside installation to cooperate the material container to realize spraying operations such as medicament, seed, powder, or utilize the material container to realize the loading and transportation of material in other relevant fields. However, because the material container is great in weight under the loading state, when making unmanned aerial vehicle land at the touchdown, being connected between material container and the unmanned aerial vehicle is destroyed easily, has reduced the reliability of being connected between material container and the unmanned aerial vehicle, also improves unmanned aerial vehicle's maintenance, cost of maintenance.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the utility model provides a load mechanism, load mounting structure and unmanned aerial vehicle, through set up the assembly support between load support and load container to solve the fragile that leads to that load container and load support joint strength are low, repair the high scheduling problem of rate.

In order to achieve the purpose, the utility model adopts the following technical proposal:

in a first aspect, a load mechanism is provided, which is applied to an unmanned device, and includes:

the loading container is hollow to form a material cavity for containing materials;

a load bracket having a lower portion formed with a fitting portion providing an installation position of the load container;

the assembling support is arranged in the material cavity, penetrates through the load container through a fixing component and is connected with the assembling part, so that at least part of the load container is clamped between the load support and the assembling support to form a hoisting structure;

the assembly support is provided with a supporting surface, and the supporting surface is abutted against the wall of the material cavity to support the load container.

As an alternative embodiment, the mounting bracket is provided with a plurality of mounting parts, and the mounting parts are all positioned on the supporting surface;

correspondingly, the assembly portion is a plurality of, just the assembly portion with the installation department position corresponds the setting, the installation department with correspond all be provided with between the assembly portion fixed subassembly.

As an optional implementation manner, the number of the mounting portions is three, and the three mounting portions are distributed on the supporting surface in a triangular shape.

As an optional implementation manner, the load bracket is provided with a first positioning hole at the assembling portion, and the first positioning hole penetrates through the upper side surface and the lower side surface of the load bracket;

the load container is provided with a second positioning hole communicated with the material cavity corresponding to the first positioning hole;

the assembling bracket is positioned on the mounting part and is provided with a threaded hole;

the fixing assembly comprises a bolt, and a screw rod of the bolt can be in threaded connection with the threaded hole after penetrating through the first positioning hole and the second positioning hole.

As an optional implementation manner, a sealing ring is arranged between the mounting portion and the load container, and two opposite sides of the sealing ring respectively abut against the supporting surface and the cavity wall of the material cavity;

the sealing ring is arranged around the periphery of the second positioning hole and the threaded hole.

As an optional implementation manner, the method further includes:

and two opposite ends of the tightening belt are connected to the load support at intervals respectively, and the tightening belt is supported at the lower part of the load container in a surrounding manner.

As an alternative embodiment, a tightening assembly is further disposed on the load bracket, and the tightening assembly can provide a tightening space for the tightening belt to pass through and fix;

the tightening assembly comprises a tightening position and a loosening position, when the tightening assembly is located at the tightening position, the tightening assembly enables the tightening belt to be tightly abutted to the tightening space, and when the tightening assembly is located at the loosening position, the tightening belt can move in the tightening space relative to the tightening assembly.

In an alternative embodiment, the tightening assembly is further provided with an elastic tightening member, and the elastic tightening member acts on an elastic force continuously applying the tightening assembly to the tightening position, so that the tightening assembly is kept in the tightening position without an external force.

As an alternative embodiment, the tightening assembly comprises:

the supporting body is arranged on the load support, a belt penetrating space for the tightening belt to penetrate through is formed in the supporting body, an installation groove is formed in one side of the supporting body, and the installation groove is communicated with the belt penetrating space;

the cam is movably arranged in the mounting groove and is provided with a reducing profile curved surface, a tightening space is formed between the profile curved surface and the groove wall of the mounting groove, and the tightening space is communicated with the threading space; the profile curved surface can move in the direction close to or far away from the mounting groove in the process of cam movement so as to adjust the size of the tightening space and realize the switching of the tightening assembly between the tightening position and the loosening position.

In a second aspect, there is provided a load mounting structure comprising:

the load mechanism as described above;

and the foot rest is connected with the load bracket and is arranged on the periphery of the mounting position.

As an alternative embodiment, the load bracket includes a first bracket and a second bracket, and the lower portions of the first bracket and the second bracket are formed with the fitting portions, so that the first bracket and the second bracket can be disposed at the upper portion of the load container;

the assembling supports are arranged between the first support and the load container and between the second support and the load container respectively.

As an optional implementation manner, the foot rest includes a plurality of support rods, and the plurality of support rods are disposed at intervals between the first support and the second support.

As an alternative embodiment, the load support is provided with a connecting sleeve rod extending outwards, and the foot rest is sleeved with the connecting sleeve rod to be fixed on the load support;

the connecting sleeve rod is provided with a plurality of elastic locking plates for matching and wrapping the foot stool and locking pieces for locking or releasing the elastic locking plates.

In a third aspect, an unmanned device is provided, comprising:

the load mounting structure as described above;

and the equipment body is arranged on the upper part of the load support.

As an optional implementation manner, the front side and the rear side of the load support are both provided with a first positioning structure, and the equipment body is provided with a second positioning structure corresponding to the first positioning structure;

in the process that the equipment body is connected with the load support, the first positioning structure and the second positioning structure can be matched with each other to limit and guide the first positioning structure and the second positioning structure.

As an optional implementation manner, first fixing structures are arranged on the front side and the rear side of the load support, and second fixing structures corresponding to the first fixing structures are arranged on the equipment body;

the first fixing structure and the second fixing structure can be matched with each other after the equipment body and the load support are guided and positioned, so that the first fixing structure and the second fixing structure are fixedly connected.

The utility model has the advantages that: the load mechanism is characterized in that an assembling support is arranged between a load container and the load support, the assembling support can be arranged in a material cavity of the load container, the assembling support can penetrate through the load container through a fixing component and is connected with an assembling part, so that at least part of the load container is clamped between the load support and the assembling support to form a hoisting structure, the assembling support can abut against the cavity wall of the material cavity through a supporting surface of the assembling support, and the assembling support provides support for the load container in a surface contact mode, so that the pressure applied to the assembling support by the original fixing component in the stress process of the load container is reduced, the connecting structure between the load container and the load support is effectively protected, and the damage probability of the load container is reduced;

in the application of the unmanned equipment, the load mechanism adopts the assembly bracket to support the load container, and the weight of the load container can be uniformly transmitted to the load bracket through the assembly bracket, so that the load container and a connecting structure between the load container and the equipment body are protected, and the integral structure of the unmanned equipment is kept stable.

Drawings

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

Fig. 1 is one of the schematic structural diagrams of the unmanned aerial vehicle according to the embodiment of the present invention;

fig. 2 is an exploded view of a load mounting structure according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a load container in the load mounting structure according to the embodiment of the present invention;

FIG. 4 is an enlarged view of section A of FIG. 3;

fig. 5 is a schematic view of the overall structure of the load container according to the embodiment of the present invention;

fig. 6 is a schematic view of the overall structure of the assembly bracket according to the embodiment of the present invention;

fig. 7 is a top view of a load support according to an embodiment of the present invention;

fig. 8 is a schematic view of a load mounting structure according to an embodiment of the present invention;

FIG. 9 is an enlarged view of the portion B of FIG. 8;

fig. 10 is a schematic view of a load support structure according to an embodiment of the present invention;

FIG. 11 is a cross-sectional view of a tightening assembly according to an embodiment of the present invention;

fig. 12 is a second cross-sectional view of the tightening assembly according to the embodiment of the present invention;

fig. 13 is a second schematic view of the load mounting structure according to the embodiment of the present invention;

FIG. 14 is an enlarged view of section C of FIG. 13;

fig. 15 is a third schematic view of a load mounting structure according to an embodiment of the present invention;

FIG. 16 is an enlarged view of section D of FIG. 15;

fig. 17 is a fourth schematic view of the load mounting structure according to the embodiment of the present invention;

fig. 18 is an enlarged view of section E of fig. 17.

In the figure: 10. a load container; 11. a material cavity; 111. a second positioning hole; 12. a feed inlet; 20. a load support; 21. an assembling portion; 211. a first positioning hole; 22. a tightening assembly; 221. a support body; 2211. a threading space; 2212. mounting grooves; 2213. abutting against the wall; 222. a cam; 2221. a pressing surface; 2222. an operating boss; 223. an elastic take up member; 224. tightening the space; 225. a support shaft; 23. a first bracket; 24. a second bracket; 25. connecting the loop bar; 251. an elastic locking piece; 252. a locking piece; 26. a through hole is formed; 30. assembling a bracket; 31. a fixing assembly; 32. a support surface; 321. an installation part; 322. a threaded hole; 33. a seal ring; 40. tightening the belt; 50. a support bar; 60. an apparatus body; 70. a first positioning structure; 71. a limiting bump; 80. a second positioning structure; 81. a limiting groove; 82. a limiting seat; 90. a first fixed structure; 91. a connecting member; 911. a third positioning hole; 92. a first fixing hole; 100. a second fixed structure; 110. a fourth positioning hole; 120. and a second fixing hole.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. 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 otherwise expressly specified or limited, 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 present embodiment provides a load mechanism, which is mainly applied to an unmanned aerial vehicle, and has the effects of improving the connection strength between a flight device body 60 and a load container 10 thereof, and effectively protecting the load container 10 itself, thereby controlling the damage rate of the load container 10, and reducing the maintenance and repair costs of the unmanned aerial vehicle and the load mechanism thereof.

As shown in fig. 1, the drone of the present embodiment is adapted to move in an airborne environment, such as a fixed-wing aircraft, a rotary-wing aircraft, or an aircraft without both fixed and rotary wings. The unmanned aerial vehicle in this embodiment specifically uses unmanned vehicles as an example, and unmanned vehicles can be many rotor unmanned vehicles, for example four rotor unmanned vehicles, six rotor unmanned vehicles, eight rotor unmanned vehicles, twelve rotor unmanned vehicles etc. unmanned vehicles can be used for carrying on the load in order to accomplish predetermined task, for example carries on imaging device in order to shoot, carries on pesticide, nutrient solution and sprinkler in order to carry out the plant protection task, also can be used for other fields such as geographical survey and drawing, aerial photography, electric power is patrolled and examined, environmental monitoring and disaster patrol.

Of course, in other embodiments of the present application, the unmanned device provided by the present application may also be an unmanned vehicle or an unmanned ship, etc.

It is to be understood that the unmanned aerial vehicle according to the present embodiment includes a main body 60 as a fuselage, and generally speaking, a horn for supporting a power module and a foot rest (landing gear) for the main body 60 are also provided on the main body 60. For example, taking a rotor unmanned aerial vehicle as an object of description, the number of power assemblies corresponds to the number of rotor assemblies, the power assemblies are distributed on the periphery of the fuselage through the support of the horn, and each power assembly is used for controlling and driving the corresponding rotor to rotate independently, the unmanned aerial vehicle can change the number of power assemblies according to different requirements, for example, the number of power assemblies may be two, three, four, six, etc., even, the number of power assemblies may be only one, and accordingly, the number of horn may also be set reasonably according to the number of power assemblies.

As shown in fig. 1 and 8, in order to facilitate understanding, in the present invention, for each component in the following-described load mechanism, load mounting structure and unmanned device using the same, one side close to the head of the device body 60 is the front side of each component, i.e., the direction of the arrow pointing "front" in the drawing, and one side close to the tail of the device body 60 is the rear side of each component, i.e., the direction of the arrow pointing "rear" in the drawing. In a state where the robot is normally placed parallel to the horizontal plane, the side close to the upper portion of the apparatus body 60 is defined as the upper side of each component, i.e., the "up" direction indicated by the arrow in the drawing, whereas the side close to the lower portion of the apparatus body 60 is defined as the lower side of each component, i.e., the "down" direction indicated by the arrow in the drawing.

With the development of science and technology, the adoption of mechanical equipment to replace manual work for operation has been applied to various fields. For example, in the agricultural field, unmanned equipment (unmanned aerial vehicles, unmanned vehicles, etc.) may be employed as plant protection equipment to perform artificially set plant protection work. For example, in the field of fire fighting, unmanned equipment can be used as fire fighting equipment to enter a place where people are difficult to enter and perform a series of operations such as material delivery, chemical delivery, and spraying. In the field of animal husbandry, unmanned equipment can be used for feeding feed or transporting materials. However, because material container weight is great under loading state, when leading to unmanned aerial vehicle landing, load container 10 all can receive great effort to influence, makes the connection between load container 10 and the unmanned aerial vehicle destroyed easily, has reduced the connection reliability between load container 10 and the unmanned aerial vehicle, also improves unmanned aerial vehicle's maintenance, cost of maintenance.

As shown in fig. 1 to 4, in order to improve the above technical problems, the loading mechanism in this embodiment includes a loading container 10 and a loading bracket 20, the loading container 10 is of a hollow structure to form a material cavity 11 for containing a material, the material that can be contained in the loading container 10 includes a solid (powder, particles, etc.) and a liquid, generally speaking, a material port communicating with the material cavity 11 is opened on the loading container 10, and the material port of the loading container 10 can be set at any position of the loading container 10 according to actual requirements to be used as a material feeding port for feeding the material or a material discharging port for feeding the material.

The load support 20 is used as a connecting structure of an equipment body 60 and a load container 10 in the unmanned equipment, and plays a role of supporting the equipment body 60 and the load container 10, in a load mounting structure and application of the unmanned equipment, the load support 20 is provided with a foot rest, the equipment body 60 is arranged at the upper part of the load support 20, so that the load support 20 can support the equipment body 60 through the foot rest, the lower part of the load support 20 is provided with an assembling part 21, the assembling part 21 can provide a mounting position of the load container 10, specifically, the foot rest is arranged around the periphery of the mounting position, so that the corresponding position is left, the load container 10 can be assembled at the lower part of the load support 20, meanwhile, the unmanned equipment can be supported in a plane state, balance of the whole equipment is kept, and stable parking of the unmanned equipment is facilitated. It can be understood that, because the load container 10 is disposed at the lower part of the load support 20, the length of the foot rest disposed on the load support 20 is required to be greater than the height of the load container 10, so that one end of the foot rest, which is far away from the load support 20, can be located at the lower part of the load container 10 in the horizontal direction, and thus, the unmanned equipment can be supported by the foot rest in the normal parking state.

An assembly bracket 30 is arranged between a load bracket 20 and a load container 10, the assembly bracket 30 is arranged in the material cavity 11 in a state that the load container 10 is assembled on the assembly bracket 30, the assembly bracket 30 can penetrate through the load container 10 through a fixing component 31 and is connected with an assembly part 21, so that at least part of the load container 10 is clamped between the load bracket 20 and the assembly bracket 30 to form a hoisting structure, after the assembly is completed, in a flight state and a stable state, the gravity of the load container 10 is transmitted to the assembly bracket 30, then the assembly bracket 30 transmits the gravity of the load container 10 to the load bracket 20 through the fixing component 31, and when the unmanned equipment lands, the inertia force generated by the load container 10 is also transmitted to the assembly bracket 30 firstly, then the assembly bracket 30 is transmitted to the load bracket 20 through the fixing component 31, and finally is transmitted to the ground through a foot rest. On the basis, in order to solve the technical problems that the load container 10 in the prior art is low in connection strength and easy to loosen and damage, the assembling bracket 30 is provided with a supporting surface 32, and the supporting surface 32 is abutted against the cavity wall of the material cavity 11 to support the load container 10. It can be understood that, the mounting bracket 30 is in surface contact with the inner cavity wall of the load container 10 through the supporting surface 32, compared with the conventional connection mode, when the load container 10 is directly hung on the load bracket 20 through the fixing component 31, the fixing component 31 and the load container 10 can be regarded as point contact, the pressure formed on the load container 10 by the fixing component 31 is larger, while the weight of the load container 10 and the inertia force generated when the unmanned equipment is parked in the embodiment can be uniformly transmitted to the mounting bracket 30 and then transmitted to the load bracket 20 through the mounting bracket 30, and the pressure formed on the load container 10 by the mounting bracket 30 is far lower than the pressure formed directly on the load container 10 by the fixing component 31. Since the load container 10 is generally made of a softer material having a lower hardness/rigidity than the load bracket 20, the greater pressure is very likely to damage the load container 10 or cause the connection structure between the load container 10 and the load bracket 20 to loosen or break. By using the mounting bracket 30 as a transition piece between the load container 10 and the load bracket 20, the connection reliability between the load container 10 and the load bracket 20 can be well maintained by the above principle, the connection structure between the load container 10 and the load bracket 20 can be effectively protected, the load container 10 can be protected, and the damage probability of the load container 10 can be reduced.

To further improve the stability of force transmission between the load container 10 and the mounting bracket 30, the support surface 32 of the mounting bracket 30 is horizontally disposed in a stable state where the unmanned aerial vehicle is parked, and the surface of the material chamber 11 that provides the support contact with the support surface 32 is also horizontally disposed, so that the wall of the material chamber 11 and the support surface 32 can be maintained in a completely attached and supported state as much as possible, and the center of gravity of the load container 10 is centered with the support surface 32 as much as possible, so that the load container 10 can uniformly transmit its gravity and inertial force to the mounting bracket 30.

In one embodiment, the mounting bracket 30 and the load container 10 can be considered as a whole, that is, it can be understood that the load container 10 is hung on the load bracket 20 through the mounting bracket 30, and the load bracket 20 applies a certain pulling force to the mounting bracket 30 and the load container 10 through the fixing component 31.

In another embodiment, the mounting bracket 30 and the load bracket 20 may be considered as a single unit, that is, it may be understood that the load bracket 20 supports the load container 10 through the mounting bracket 30 to apply a certain bearing force to the load container 10.

Hereinafter, taking the case where the unmanned aerial vehicle is applied to perform a scattering operation as an example, the unmanned aerial vehicle further includes a scattering mechanism that is mountable under the apparatus body 60 and communicates with the material chamber 11. The device body 60 can drive the sowing mechanism to move in a flying manner, so that the sowing mechanism is driven to a specified position to perform material sowing.

As shown in fig. 2-6, the upper portion and the lower portion of the load container 10 are respectively provided with a feeding port 12 and a discharging port, which are communicated with the material chamber 11, on the basis of the above solutions, a user can put the material into the material chamber 11 through the feeding port 12 above the load container 10, and the discharging port is configured to be connected with the spreading mechanism, so that the material in the material chamber 11 flows to the spreading mechanism through the discharging port along the gravity direction, or is sucked out through the discharging port by the spreading mechanism. In the assembling and disassembling process of the load container 10, the feed inlet 12 may be used to provide a space for the assembling bracket 30 to enter the material chamber 11 or to be separated from the material chamber 11, specifically, in the assembling process, the assembling bracket 30 may enter the material chamber 11 through the feed inlet 12, and the assembling bracket 30 is placed on the top of the material chamber 11, so that the assembling bracket 30 is connected with the load bracket 20 through the fixing component 31; during the disassembly process, the load bracket 20 and the mounting bracket 30 are disconnected by the release of the fixing component 31, so that the mounting bracket 30 can be separated from the load bracket 20, and the mounting bracket 30 can be taken out of the feeding hole 12. Through the scheme, the loading mechanism is light in structure and easy to assemble and disassemble, and the assembly and disassembly efficiency of the unmanned equipment is improved.

In order to improve the connection strength between the mounting bracket 30 and the load bracket 20, the mounting bracket 30 is provided with a plurality of mounting portions 321, each mounting portion 321 is located on the supporting surface 32, and correspondingly, the lower portion of the load bracket 20 is also provided with a plurality of mounting portions 21, generally speaking, the number of the mounting portions 21 can be equal to that of the mounting portions 321, and the mounting portions 21 and the mounting portions 321 are arranged in a corresponding position, so that the mounting bracket 30 can be accurately arranged on a preset position, and the mounting portions 321 and the corresponding mounting portions 21 are connected through the fixing assemblies 31. It should be understood that, the load support 20 and the assembly support 30 are matched with each other by a plurality of installation portions 321 and assembly portions 21, so that the acting force borne by each fixing component 31 arranged between the load support 20 and the assembly support 30 can be reduced, the risk of loosening and even damage of the fixing component 31 can be reduced, the force transmission between the assembly support 30 and the load support 20 can be more stably balanced, and the effect of improving the connection strength and the connection stability of the assembly support 30 and the load support 20 can be effectively achieved. In addition, each fixing component 31 can draw the assembly support 30 close to enable the whole supporting surface 32 to keep or keep the state of being attached to the wall of the material cavity 11 as much as possible, so that the technical effect is achieved, the force transmission stability between the load container 10 and the assembly support 30 is further improved, and the problem of uneven stress caused by the fact that the supporting surface 32 inclines relative to the wall of the material cavity 11 is avoided. The assembly support 30 embedded in the load container 10 is stressed in a surface contact mode, so that when the unmanned equipment collides, the load container 10 can be better protected, damage is avoided, and the stability of a product and the service life of the product are improved.

As shown in fig. 2 to 7, in the present embodiment, three mounting portions 321 are provided, and the three mounting portions 321 are distributed on the supporting surface 32 in a triangular shape, so that the mounting bracket 30 and the load bracket 20 can be ensured to be relatively stably assembled after being assembled by the fixing component 31 on the premise that the fixing component 31 is relatively less used for fixing the mounting bracket 30 and the load bracket by the principle of stability of the triangular shape. In addition, any two adjacent mounting portions 321 are connected to form a supporting surface 32, so that the mounting bracket 30 is formed as at least one triangular plate-shaped frame body, and thus, the corresponding mounting portions 321 and mounting portions 21 are connected and tightly pressed against the outer side surface and the inner side surface of the load container 10 through the fixing assemblies 31, and the supporting surface 32 can better realize the force transmission with the mounting bracket 30.

Of course, in other embodiments, the mounting bracket 30 may also be configured to support the load container 10 in other shapes and structures, which is not limited in this embodiment.

As shown in fig. 4-7, in the present embodiment, the load bracket 20 and the assembly bracket 30 are assembled together using an assembly method that has sufficient connection strength and is easy to disassemble and assemble, the fixing component 31 includes a bolt, correspondingly, the load bracket 20 is provided with a first positioning hole 211 at the assembling portion 21, the load container 10 is provided with a second positioning hole 111 corresponding to the first positioning hole 211 and communicating with the material cavity 11, when the assembling portion 21 is three, the first positioning hole 211 and the second positioning hole 111 are three and have one-to-one correspondence in position, the diameters of the first positioning hole 211 and the second positioning hole 111 are larger than the screw of the bolt and smaller than the screw head of the bolt, the first positioning hole 211 penetrates through the upper and lower side surfaces of the load bracket 20, the second positioning hole 111 penetrates through the load container 10 so that the screw of the bolt passes through the first positioning hole 211, the assembly bracket 30 is provided with a threaded hole 322 at the assembling portion 321, and the screw of the bolt can be connected with the threaded hole 322 after penetrating through the first positioning hole 211 and the second positioning hole 111. In a state that the bolt is screwed with the screw hole 322 to complete the assembly of the load container 10, the screw head abuts against the load bracket 20, and the screw rod is in a state of tensioning the assembly bracket 30, so that the assembly bracket 30 and the load bracket 20 are pressed tightly and the outer side surface and the inner side surface of the load container 10 are loaded.

It can be understood that, in order to avoid or reduce the condition that the bolt is loosened gradually along with the use duration of the unmanned aerial vehicle, the screw rod can be screwed with the threaded hole 322 after being sleeved with the gasket and then passing through the first positioning hole 211 and the second positioning hole 111, so that the gasket can be pressed on the load support 20 by the screw head, the assembly gap between the components is eliminated, a certain pretightening force is formed between the bolt and each component, and the close assembly is kept.

In other embodiments, the fixing assembly 31 may further include a nut, in this case, the threaded hole 322 may be a through hole structure, the nut may enter the material cavity 11 through the feed port 12 at a position corresponding to the original threaded hole 322, and then the screw rod may be screwed with the nut after passing through the first positioning hole 211, the second positioning hole 111, and the original threaded hole 322, so that the screw head of the bolt and the nut may press the load bracket 20 and the assembly bracket 30 against two sides of the load container 10, thereby achieving the same assembly effect.

In the assembly structure, the second positioning hole 111 needs to be formed in the load container 10, so that the load container 10 has other through hole structures communicating with the external environment besides the feed port 12 and the discharge port, in order to prevent the material in the load container 10 from leaking out of the corresponding through hole and seeping out of the load container 10, a sealing ring 33 is arranged between the mounting portion 321 and the load container 10, opposite sides of the sealing ring 33 respectively abut against the supporting surface 32 and the cavity wall of the material cavity 11, and the sealing ring 33 is circumferentially arranged on the peripheries of the second positioning hole 111 and the threaded hole 322 to isolate the communication between the second positioning hole 111 and the material cavity 11.

The present embodiment also provides a solution that can be implemented in common with the above-mentioned mounting bracket 30 or separately from the above-mentioned solution, and also aims at protecting the load container 10 and the connection structure between the load container 10 and the load bracket 20, as shown in fig. 8, the load mechanism further includes a tightening belt 40, the tightening belt 40 can be a flexible structure, and two opposite ends of the tightening belt are respectively connected to the load bracket 20 at intervals, specifically, after being connected to the load bracket 20 at a first end, a second end of the tightening belt 40 extends towards the lower part of the load bracket 20, and after being supported around the lower part of the load container 10, the tightening belt extends to be close to the load bracket 20 (upwards) again to be connected to the load bracket 20, so that an installation space of the load container 10 is defined between the region surrounded by the tightening belt 40 and the load bracket 20.

It is to be understood that the tightening belt 40 may be a flat belt-like structure or a twisted object twisted by a certain knitting method, and the present embodiment uses a tightening rope having a substantially circular cross section as the above-mentioned tightening belt 40, but of course, in some embodiments, the use of a flat belt-like structure as the tightening belt 40 can also increase the contact area between the tightening belt 40 and the load container 10, thereby further improving the supporting effect of the tightening rope on the load container 10 and reducing the pressure applied to a single point of the tightening belt 40. However, the string-shaped tightening strap 40 is more convenient to connect to the load bracket 20 and the threading structure for connecting to the tightening strap 20 is simpler than the string-shaped tightening strap 40, and therefore, the string-shaped tightening strap 40 is preferably used in the case of ensuring that the tightening strap 40 can carry the load container 10.

It should be understood that the tightening strap 40 of the present embodiment is detachably coupled to the load bracket 20 to facilitate the removal and replacement of the load container 10. In addition, according to the above arrangement, in the case where the present embodiment is applied to an unmanned aerial vehicle together with the mounting bracket 30, the mounting bracket 30 protects the load container 10 and reduces the breakage of the connection between the load container 10 and the load bracket 20, and the stability of the connection of the load container 10 to the load bracket 20 can be further improved by the tightening band 40.

It should be noted that the number of the tightening bands 40 can be selected according to the requirements of the equipment, for example, one, two, three, etc., and the specific requirements can be determined according to the specific weight of the load container 10 in the state of containing the material, and the specific parameters of the structure of the load support 20, etc. When the number of the tightening belts 40 is equal to two, the two tightening belts 40 are symmetrically arranged at two sides of the load container 10, and when the number of the tightening belts 40 is greater than two, the tightening belts 40 are evenly arranged on the load container 10 along the length direction, so that the load container 10 is ensured to be in a relatively balanced state, and the supporting effect of the load container 10 provided by the tightening belts 40 is improved.

On the basis, in order to improve the structural versatility of the tightening belt 40, the device body 60 can be equipped with load containers 10 with different structures and sizes and capacities, the load support 20 is further provided with the tightening assembly 22, the tightening assembly 22 can provide a tightening space 224 through which the tightening belt 40 passes and is fixed, in practical applications, taking a single-section tightening belt 40 as an example, the load support 20 is provided with at least one tightening assembly 22, that is, one end of the tightening belt 40 is directly connected to the load support 20, and the other end of the tightening belt is connected to the load support 20 by penetrating through the tightening space 224 and fixing the tightening assembly 22. It will be appreciated that the tightening assembly 22 can be used to adjust the length of the tightening strap 40 extending out of the load bracket 20, i.e., adjustment of the tightening strap 40 by the tightening assembly 22 can allow a user to adjust the amount of installation space according to actual needs.

As mentioned above, the tightening assembly 22 includes a tightening position and at least one loosening position, when the tightening assembly 22 is located at the tightening position, the tightening assembly 22 abuts against the tightening space 224, so that the tightening belt 40 cannot move in the tightening space relative to the tightening assembly 22, and the size of the installation space is limited, and when the tightening assembly 22 is located at the loosening position, the tightening belt 40 can move in the tightening space 224 relative to the tightening assembly 22, so that the tightening belt 40 can move in a direction extending out of the tightening assembly 22, and the installation space is enlarged, or can be retracted into the tightening assembly 22, and the installation space is narrowed. In this way, the user can adjust the length of the tightening strap 40 extending out of the tightening unit 22 according to the size of the load container 10, and perform the support of the load container 10 by retracting the tightening strap 40 into the tightening unit 22 after the tightening strap 40 is looped around the lower portion of the load container 10, so that the tightening strap 40 abuts against the lower portion of the load container 10.

Based on the above structure, the working principle of the load connection structure of the present embodiment is as follows:

in unmanned applications, where the load container 10 is loaded with a large load, the load container 10 is supported by a strap tensioning cable, and the tensioning assembly 22 provides support to the bottom of the load container 10 by tensioning the tensioning strap 40. As shown in fig. 8-12, a tightening unit 22 is correspondingly disposed on a single-stage tightening strap 40 of the present embodiment, one end of the tightening strap 40 penetrates into a retraction space of the tightening unit 22, a strap passing hole 26 for allowing the other end of the tightening strap 40 to penetrate is formed in the load support 20, after the other end of the tightening strap 40 penetrates through the strap passing hole 26 of the load support 20, the size of the knotted portion is larger than the aperture of the strap passing hole 26 by a knotting manner, so as to limit one end of the tightening strap 40, the tightening strap 40 is connected to the tightening unit 22 after winding the load container 10 for at least one circle from top to bottom, the tightening strap 40 can be tightened by the tightening unit 22, so that the bottom gravity of the load container 10 is transmitted to the load support 20 through the tightening strap 40, in a scheme used together with the assembly support 30, the load of the assembly support 30 can be effectively reduced, deformation and damage caused by overweight of the load container 10 can be avoided, and the probability of damage of connection between the assembly support 30 and the load support 20 can be reduced.

In order to ensure that the tightening strap 40 can continuously provide sufficient support force for the load container 10, the tightening assembly 22 is further provided with an elastic tightening member 223, and the elastic tightening member 223 acts on an elastic force which continuously applies movement to the tightening assembly 22 in the tightening position, so that the tightening assembly 22 is kept in the tightening position without external force. That is, in a stable state without external force, the takeup assembly 22 is held in the takeup position with the elastic takeup member 223, and when the user applies an external force to the takeup assembly 22 that is greater than the elastic force provided by the elastic takeup member 223, the takeup assembly 22 can overcome the elastic force of the elastic takeup member 223 under the external force to move the takeup assembly 22 from the takeup position to the takeup position, thereby providing an adjustment space for the takeup band 40.

As shown in fig. 10 to 12, the tightening unit 22 of the present embodiment includes a support body 221 and a cam 222, wherein the support body 221 is disposed on the load bracket 20 as a support structure of the whole tightening unit 22, and in a practical application, the support body 221 and the load bracket 20 can be integrally formed by an integral process, that is, the support body 221 is integrally formed by injection molding, casting, milling, and the like during the process of processing the load bracket 20. In another embodiment, the supporting body 221 and the load bracket 20 may be two independent components, which are separately formed and then assembled to fix the two components to each other, and the assembling manner is not particularly limited in this embodiment, and the supporting body 221 and the load bracket 20 may be fixed by different connecting manners such as snap connection, screwing, welding, and bonding.

Taking the embodiment in which the load support 20 and the support main body 221 are integrated as an example, a threading space 2211 for the tightening strap 40 to pass through is formed in the support main body 221, a mounting groove 2212 is formed on one side of the support main body 221, the mounting groove 2212 is communicated with the threading space 2211, and a retraction space can be formed in the mounting groove 2212, that is, one end of the threading space 2211 is communicated with the external environment of the support main body 221, an opening for the tightening strap 40 to pass through is provided, the other end of the threading space 2211 is communicated with the retraction space 224, and one end of the retraction space 224 far from the threading space 2211 is provided with a space for the tightening strap 40 to extend or retract in the adjustment process. In the actual adjusting process, if the tightening strap 40 needs to adjust the narrowing installation space, the tightening strap 40 can move toward the tightening space 224 along the strap penetrating space 2211 in the direction close to the support main body 221, so that the length of the tightening strap 40 extending out of one end of the strap penetrating space 2211 is reduced, the length of the tightening strap extending out of the tightening space 224 is increased, and when the tightening strap 40 needs to adjust and expand the installation space, the tightening strap 40 can move toward the tightening space 224 along the strap penetrating space 2211 in the direction away from the support main body 221, so that the length of the tightening strap 40 extending out of one end of the strap penetrating space 2211 is increased, and the length of the tightening strap extending out of the tightening space 224 is reduced.

The cam 222 is movably disposed in the mounting groove 2212, but the cam 222 according to the present embodiment is not particularly limited to a specific structure, and may be a wheel member that can mechanically rotate or a movable member that can slide. The cam 222 has a profile curved surface with a diameter varying along the moving direction thereof, and a tightening space 224 is formed between the profile curved surface and the groove wall of the mounting groove 2212, thereby achieving communication between the tightening space 224 and the threading space 2211.

By providing the independent threading space 2211 on the support body 221 without using the other end of the mounting groove 2212 as the threading space 2211, a larger operation control can be provided for threading of the tightening strap 40, and if the other end of the mounting groove 2212 is used as the threading space 2211, in a threading state, all acting force can be concentrated on the cam 222 after the tightening strap 40 is tensioned, so that the situation that the support shaft 225 is easily deformed and broken is caused, therefore, the threading of the tightening strap 40 can be facilitated and the reliability of the whole tightening assembly 22 can be improved by adopting a staggered manner of the threading space 2211 and the tightening space 224.

Taking the cam 222 as a wheel component capable of realizing mechanical rotation in this embodiment as an example, the contour curved surface is arranged around the rotation axis of the cam 222, so that the contour curved surface can move in a direction close to or away from the mounting groove 2212 in the process of rotation of the cam 222, thereby realizing adjustment of the size of the retraction space, when the contour curved surface moves along the groove wall close to the mounting groove 2212, the gap between the contour curved surface and the groove wall of the mounting groove 2212 is smaller than that of the tightening belt 40, thereby cooperatively abutting against the tightening belt 40, so that the tightening assembly 22 is in the tightening position, when the contour curved surface moves along the groove wall far from the mounting groove 2212, the gap between the contour curved surface and the mounting groove 2212 is larger than that of the tightening belt 40, so that the tightening assembly 22 is in the loosening position, thereby loosening the tightening belt 40.

As shown in fig. 11-12, the elastic tightening member 223 acts on the cam 222 to keep the cam 222 at the position for abutting against the tightening strap 40, for the convenience of understanding, one side wall of the mounting slot 2212 for cooperating with the contour curve is defined as an abutting wall 2213, the part of the contour curve for abutting against the tightening strap 40 is defined as an abutting surface 2221, and the elastic tightening member 223 acts on the cam 222 to keep the abutting surface 2221 of the cam 222 at the position opposite to the abutting wall 2213 without external force. In order to ensure that the tightening assembly 22 can maintain sufficient friction force with the tightening belt 40 in the tightening position, the abutting surface 2221 and/or the abutting wall 2213 are/is provided with anti-slip lines, each anti-slip line is composed of a plurality of convex strips arranged in parallel, and each convex strip and the extending direction of the tightening belt 40 are kept perpendicular or nearly perpendicular in the state that the tightening belt 40 is threaded into the tightening space 224.

Further, as shown in fig. 12, the tightening unit 22 further includes a supporting shaft 225, the supporting shaft 225 is connected to the supporting body 221 and transversely disposed in the mounting cavity for supporting the cam 222, it should be understood that the supporting shaft 225 may be formed by a bolt, an embedded nut and a shaft sleeve, the embedded nut is disposed on one side of the mounting groove 2212 to provide a position where the bolt penetrates from the other side of the mounting groove 2212 and is fixed, and the shaft sleeve may be sleeved on the outside of the bolt disposed in the mounting groove 2212, so as to reduce friction between the cam 222 and the bolt during rotation and prolong the service life of the tightening unit 22. The elastic tightening member 223 can be configured as a torsion spring, which is sleeved on the supporting shaft 225 such that one end of the torsion spring acts on the supporting body 221 and the other end of the torsion spring acts on the cam 222, thereby continuously applying an acting force in the tightening direction to the cam 222.

As shown in fig. 11, in order to facilitate the operation of the tightening assembly 22, in the present embodiment, an operation protrusion 2222 is further disposed on the cam 222, the operation protrusion 2222 is specifically disposed on a side of the cam 222 away from the abutting surface 2221, in actual assembly, a depth of the mounting groove 2212 is set to be smaller than an outer diameter of the cam 222, so that after the cam 222 is assembled in the mounting groove 2212, at least a portion of the cam 222 may protrude from the notch of the mounting groove 2212 to the support body 221, and the operation protrusion 2222 is disposed on a portion of the cam 222 exposed to the support body 221, so that when a user needs to adjust the tightening strap 40, the cam 222 may overcome an elastic force of the elastic tightening member 223 and move around a rotation axis thereof to a releasing position, and finally the abutting surface 2221 is staggered with the abutting wall 2213, so as to provide a tightening space 224 large enough to allow the tightening strap 40 to be adjusted in the wearing space, and when the tightening strap 40 is adjusted, the user may loose the elastic tightening member 2222 to be reset to the tightening position, and the tightening member 222 may be reset by the elastic tightening strap 222.

Based on the above-described load mechanism, the present embodiment also provides a load mounting structure that is engaged by using the above-described load mechanism and foot stool, and in the engaged state, the load mounting structure can support not only the load and the equipment main body 60 but also the installation position of the equipment main body 60 in the unmanned aerial vehicle, and therefore, this aspect can be regarded as a load system of the unmanned aerial vehicle.

In this scheme, the foot rest includes many spinal branch vaulting poles 50, mutual independence between each bracing piece 50 to, each bracing piece 50 all is connected in load support 20, does not possess any connection structure between each bracing piece 50, though has reduced the holistic structural strength of foot rest to a certain extent, nevertheless, through the setting that reduces connection structure, can effectively alleviate the whole weight of foot rest, thereby effectively reduce load mounting structure's whole weight.

In addition, in order to compensate for the problem of the reduction of the structural strength caused by the reduction of the material of the foot rest to a certain extent, the present embodiment improves the connection strength between the load bracket 20 and the support rod 50 by providing a corresponding connection structure therebetween, so that the foot rest has a stronger support capability. As described above, as shown in fig. 13-14, the load support 20 is provided with an outwardly extending connecting sleeve rod 25, the foot rest is sleeved with the connecting sleeve rod 25 to be fixed to the load support 20, and the connecting sleeve rod 25 includes a plurality of elastic locking pieces 251 for cooperatively wrapping the foot rest and a locking member 252 for locking or releasing the elastic locking pieces 251. In this embodiment, the plurality of elastic locking pieces 251 are cooperatively enclosed to form a tube, the supporting rod 50 is inserted between the plurality of elastic locking pieces 251 during assembly, and then the plurality of elastic locking pieces 251 are locked by the locking member 252, so that the plurality of elastic locking pieces 251 tightly clamp the supporting rod 50, and the foot stand is fixed to the load bracket 20. It can be understood that, by forming the locking holes on any two opposite elastic locking plates 251 and using the bolts as the locking elements 252, the bolts can tighten the elastic locking plates 251 to tightly hold the supporting rod 50, and in order to further improve the connection stability of the supporting rod 50, the supporting rod 50 can further be formed with through holes corresponding to the locking holes, so that the locking elements 252 can be fixed in a matching manner with the locking holes on the other elastic locking plates 251 after passing through the through holes.

Through the foot rest structure of above-mentioned suggestion, except that can alleviate the holistic weight of foot rest, it need not extra power drive in the use and packs up to can adopt light in weight, the high material of intensity rigidity, thereby reduce unmanned aerial vehicle's weight. Besides reducing the burden of unmanned equipment, the connection of the tightening belt 40 can be facilitated, more operation space can be provided, and the load container 10 can be replaced conveniently. The load container 10 is supported and fixed in a mode of hoisting through the assembling support 30 and tightening the belt 40, and accordingly supporting and fixing structures between the foot rest and the load container 10 can be reduced, so that materials for the foot rest are reduced, the weight of a load installation structure is further reduced, and the cruising ability and the load carrying ability of the unmanned aerial vehicle are improved.

Moreover, with the simple foot rest structure, when the load container 10 is connected with the sowing mechanism, the interference between the supporting rods 50 and the sowing mechanism can be reduced to the greatest extent, and the sowing mechanism is prevented from colliding with the foot rest structure in the material sowing process to influence the sowing track, so that the sowing effect of the unmanned equipment can be improved by adopting the foot rest structure.

In the above embodiment, the number of the support rods 50 is four, and the four support rods 50 are connected to the connection points of the load bracket 20 to form a rectangular shape, thereby supporting four corners of the load bracket 20, but in other embodiments, the number of the support rods 50 may be three or more.

In order to further reduce the overall weight of the load mounting structure, in the present embodiment, the load bracket 20 is provided as a split structure, as shown in fig. 2, the load bracket 20 includes a first bracket 23 and a second bracket 24, the lower portions of the first bracket 23 and the second bracket 24 are each formed with a mounting portion 21, so that both the first bracket 23 and the second bracket 24 can be disposed on the upper portion of the load container 10, and the mounting brackets 30 are disposed between each of the first bracket 23 and the second bracket 24 and the load container 10.

In an actual assembly state, the first bracket 23 and the second bracket 24 are symmetrically arranged, so that the load container 10 and the equipment body 60 can keep relative balance when being connected to the whole load bracket 20, the gravity center of the unmanned equipment cannot be shifted, the weight of the load bracket 20 can be further reduced due to the fact that a connecting structure between the first bracket 23 and the second bracket 24 is saved, and the load capacity and the cruising capacity of the unmanned equipment can be further improved.

As shown in fig. 15-18, the following is a specific connection structure of the load bracket 20 and the device body 60, the front and rear sides of the load bracket 20 are both provided with first positioning structures 70, the device body 60 is provided with second positioning structures 80 corresponding to the first positioning structures 70, and in the process of connecting the device body 60 and the load bracket 20, the first positioning structures 70 and the second positioning structures 80 can be matched with each other to perform limiting and guiding on the two.

As shown in fig. 15-16, in detail, the first positioning structure 70 is disposed at the rear side of the load bracket 20 and the device body 60, a limiting protrusion 71 is convexly disposed at the upper portion of the rear side of the load bracket 20, one end of the limiting protrusion 71 is connected to the load bracket 20, the other end of the limiting protrusion extends upward and the radial dimension of the limiting protrusion gradually decreases, correspondingly, a slot corresponding to the limiting protrusion 71 is disposed at the rear side of the device body 60, and the slot structure and the limiting protrusion 71 are matched with each other, so as to limit the assembling direction of the device body 60 and the load bracket 20, and at the same time, after the limiting protrusion 71 is inserted into the slot, the movement of the device body 60 in the horizontal direction can be limited.

As shown in fig. 17-18, the second positioning structure 80 is disposed on the front side of the load support 20 and the device body 60, the front side of the load support 20 is provided with a limiting groove 81, notches of the limiting groove 81 are formed on the upper portion and the rear portion, that is, the upper portion and the rear portion of the limiting groove 81 can provide a space for inserting corresponding components, correspondingly, the front side of the device body 60 is provided with a limiting seat 82 corresponding to the limiting groove 81, the structure of the limiting seat 82 is matched with the limiting groove 81, during the assembly process, the device body 60 can first insert and match the groove position on the rear side with the limiting protrusion 71 on the rear side of the load support 20 to form a primary positioning, at this time, the front side of the device body 60 is in an inclined state raised relative to the load support 20, and then the device body 60 is moved downward to a horizontal direction, the limiting seat 82 can be inserted into the limiting groove 81 from the notch of the limiting groove 81, and further the limiting protrusion 71 is matched with the limiting protrusion 71 to limit the movement of the device body 60.

As shown in fig. 15-16, the front and rear sides of the load support 20 are provided with first fixing structures 90, the device body 60 is provided with second fixing structures 100 corresponding to the first fixing structures 90, and the first fixing structures 90 and the second fixing structures 100 can be matched with each other after the device body 60 and the load support 20 are guided and positioned, so that the two are fixedly connected.

The first fixing structure 90 is disposed at the rear side of the equipment body 60 and the load bracket 20, the first fixing structure 90 includes three connecting pieces 91 disposed at the rear side of the load bracket 20, the three connecting pieces 91 can be disposed at the upper and lower sides of the load bracket 20 and are arranged in a triangular shape, a third positioning hole 911 for passing a bolt is correspondingly disposed on the connecting piece 91, and three first fixing holes 92 corresponding to the third positioning hole 911 are also disposed at the side of the equipment bracket, so that the equipment body 60 is connected with the slot position after being positioned by the limiting bump 71, and the triangular connecting structure is identical to the assembly bracket 30 in principle, and can ensure that the two have excellent connection strength on the premise of using fewer bolts.

As shown in fig. 17 to 18, the second fixing structure 100 is disposed at the front side of the equipment body 60 and the load bracket 20, the fixing principle of the second fixing structure 100 may be the same as that of the first fixing structure 90, and the second fixing structure 100 includes three fourth positioning holes 110 disposed through the limiting groove 81 and three second fixing holes 120 correspondingly disposed on the limiting seat 82, so that the limiting seat 82 is engaged with the limiting groove 81 and then connected by penetrating bolts.

As can be seen from the above-mentioned split load bracket 20, the first positioning structure 70, the second positioning structure 80, the first fixing structure 90 and the second fixing structure 100 can be disposed between the first bracket 23 and the device body 60, and between the second bracket 24 and the device body 60.

In summary, the load mechanism and the load mounting structure of the present embodiment can effectively improve the connection stability between the load container 10 and the load bracket 20, and provide a certain buffering effect for the load container 10, so as to reduce the damage risk thereof, thereby improving the product reliability and the product life.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example 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 or example.

Furthermore, it should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be understood by those skilled in the art that the specification as a whole and the embodiments may be combined as appropriate to form other embodiments understood 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 (16)

1. A load mechanism applied to an unmanned aerial vehicle, comprising:

the loading container (10) is hollow to form a material cavity (11) for containing materials;

a load bracket (20), wherein a lower part of the load bracket (20) is formed with a mounting part (21), and the mounting part (21) provides a mounting position of the load container (10);

the assembling support (30) is arranged in the material cavity (11), and the assembling support (30) can penetrate through the load container (10) through a fixing component (31) and is connected with the assembling part (21) so that at least part of the load container (10) is clamped between the load support (20) and the assembling support (30) to form a hoisting structure;

the mounting bracket (30) is provided with a supporting surface (32), and the supporting surface (32) is abutted against the wall of the material cavity (11) to support the load container (10).

2. The load mechanism according to claim 1, wherein said mounting bracket (30) is provided with a plurality of mounting portions (321), said mounting portions (321) each being located at said support surface (32);

correspondingly, assembly portion (21) are a plurality of, just assembly portion (21) with installation department (321) position corresponds the setting, installation department (321) and corresponding all be provided with between assembly portion (21) fixed subassembly (31).

3. The load mechanism according to claim 2, wherein there are three mounting portions (321), and the three mounting portions (321) are triangularly distributed on the supporting surface (32).

4. The load mechanism according to claim 2, wherein the load bracket (20) is provided with a first positioning hole (211) at the mounting portion (21), and the first positioning hole (211) penetrates through the upper and lower side surfaces of the load bracket (20);

the load container (10) is provided with a second positioning hole (111) communicated with the material cavity (11) corresponding to the first positioning hole (211);

the mounting bracket (30) is positioned on the mounting part (321) and is provided with a threaded hole (322);

the fixing component (31) comprises a bolt, and a screw rod of the bolt can be in threaded connection with the threaded hole (322) after penetrating through the first positioning hole (211) and the second positioning hole (111).

5. The loading mechanism according to claim 4, wherein a sealing ring (33) is arranged between the mounting portion (321) and the loading container (10), and two opposite sides of the sealing ring (33) respectively abut against the supporting surface (32) and the cavity wall of the material cavity (11);

the seal ring (33) is disposed around the second positioning hole (111) and the threaded hole (322).

6. The load mechanism of claim 1, further comprising:

and two opposite ends of the tightening belt (40) are respectively connected to the load bracket (20) at intervals, and the tightening belt (40) is supported around the lower part of the load container (10).

7. The load mechanism according to claim 6, wherein a tightening assembly (22) is further provided on the load bracket (20), the tightening assembly (22) providing a tightening space (224) through which the tightening strap (40) is passed and fixed;

the tightening assembly (22) comprises a tightening position and a release position, when the tightening assembly (22) is in the tightening position, the tightening assembly (22) presses the tightening strap (40) against the tightening space (224), and when the tightening assembly (22) is in the release position, the tightening strap (40) is movable in the tightening space (224) relative to the tightening assembly (22).

8. The load mechanism according to claim 7, wherein the take-up assembly (22) is further provided with an elastic take-up member (223), the elastic take-up member (223) acting on an elastic force continuously acting on the take-up assembly (22) in the direction of the take-up position to keep the take-up assembly (22) in the take-up position without an external force.

9. The load mechanism according to claim 7 or 8, wherein the tightening assembly (22) comprises:

a support main body (221) provided to the load bracket (20), wherein a threading space (2211) through which the tightening strap (40) passes is formed in the support main body (221), and a mounting groove (2212) is formed at one side of the support main body (221), and the mounting groove (2212) is communicated with the threading space (2211);

the cam (222) is movably arranged in the mounting groove (2212), the cam (222) is provided with a variable-diameter profile curved surface, a tightening space (224) is formed between the profile curved surface and the groove wall of the mounting groove (2212), and the tightening space (224) is communicated with the threading space (2211); the contour curved surface can move in a direction close to or far away from the mounting groove (2212) in the process of moving the cam (222) so as to adjust the size of the tightening space (224) and realize the switching of the tightening assembly (22) between a tightening position and a loosening position.

10. A load mounting structure, comprising:

the load mechanism of any one of claims 1-9;

and a foot rest connected to the load bracket (20) and disposed at the periphery of the mounting position.

11. The load mounting structure according to claim 10, wherein the load bracket (20) comprises a first bracket (23) and a second bracket (24), and the fitting portion (21) is formed at lower portions of the first bracket (23) and the second bracket (24) so that both the first bracket (23) and the second bracket (24) can be disposed at an upper portion of the load container (10);

the assembly brackets (30) are arranged between the first bracket (23) and the second bracket (24) and the load container (10).

12. The load mounting structure according to claim 11, wherein said foot rest comprises a plurality of support bars (50), said plurality of support bars (50) being spaced apart from said first bracket (23) and said second bracket (24).

13. A load mounting arrangement according to any one of claims 10-12, wherein the load carrier (20) is provided with outwardly extending coupling rods (25), and the foot rest is journalled in the coupling rods (25) for fixing to the load carrier (20);

the connecting loop bar (25) comprises a plurality of elastic locking sheets (251) used for being matched with and wrapping the foot rest and a locking piece (252) used for locking or releasing the elastic locking sheets (251).

14. An unmanned device, comprising:

a load mounting structure as claimed in any one of claims 10 to 13;

and an equipment body (60) provided above the load bracket (20).

15. The unmanned aerial vehicle of claim 14, wherein the front and rear sides of the load cradle (20) are each provided with a first locating structure (70), the vehicle body (60) being provided with a second locating structure (80) corresponding to the first locating structure (70);

in the process that the equipment body (60) is connected with the load support (20), the first positioning structure (70) and the second positioning structure (80) can be matched with each other to limit and guide the first positioning structure and the second positioning structure.

16. The unmanned aerial vehicle of claim 15, wherein the load support (20) is provided with first fixing structures (90) at front and rear sides thereof, and the apparatus body (60) is provided with second fixing structures (100) corresponding to the first fixing structures (90);

the first fixing structure (90) and the second fixing structure (100) can be matched with each other after the equipment body (60) and the load support (20) are guided and positioned, so that the two are fixedly connected.

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