CN117446175A - Cargo box mounting structure and cargo box mounting method of medium-sized cargo unmanned helicopter - Google Patents

Abstract

The invention provides a cargo box mounting structure and a cargo box mounting method of a medium-sized cargo unmanned helicopter, wherein the cargo box mounting structure of the medium-sized cargo unmanned helicopter comprises a body skid, a limiting device, a cargo box, a lifting device, a fixing device and a plurality of safety pins; the machine body skid is used for mounting the container; the limiting device is used for limiting the position of the container relative to the skid of the machine body; the lifting device is used for lifting the container into the limiting device; the fixing device is used for fixing the container on the skid of the machine body. Compared with the prior art, the cargo box mounting structure of the medium-sized unmanned helicopter for freight transportation can solve the problem of freight transportation in special environments, reduce the requirements on transportation sites, avoid the consumption of resources such as manpower, material resources and the like, and have reasonable structural layout and strong carrying capacity, wherein the cargo box mounting position is right below the main rotor wing of the helicopter, thereby being beneficial to the transportation of cargos with different weights; and a safety pin is additionally arranged on the cargo box mounting and mounting, so that double protection is provided for the transfer process.

Description

Cargo box mounting structure and cargo box mounting method of medium-sized cargo unmanned helicopter

Technical Field

The invention relates to the technical field of transportation, in particular to a cargo box mounting structure and a cargo box mounting method of a medium-sized cargo unmanned helicopter.

Background

With the continuous rising of the field of unmanned helicopters for freight transportation, the demands of users in the field of unmanned helicopter freight transportation are also increasing. Particularly in mountain areas with rough roads. However, most medium-sized cargo unmanned helicopters at present often adopt an airport transfer mode for transporting, and cargo is loaded and unloaded by airport manpower or lifting devices, and the transport mode has high cost and large limitation and can not realize rapid cargo loading and unloading.

Disclosure of Invention

The invention aims to overcome the defects and shortcomings in the prior art and provides a cargo box mounting structure and a cargo box mounting method of a medium-sized unmanned helicopter.

One embodiment of the invention provides a medium-sized freight unmanned helicopter container mounting structure, which comprises a body skid, a limiting device, a container, a lifting device, a fixing device and a plurality of safety pins;

wherein the body skid is used for mounting the container;

the cargo box is mounted under the body skid and is arranged under the main rotor wing of the medium-sized freight unmanned helicopter;

the limiting devices are symmetrically arranged on the front side and the rear side of the body skid and are used for limiting the position of the container relative to the body skid;

the two lifting devices are arranged on the left side and the right side of the container and used for lifting the container into the limiting device, the limiting device is used for limiting the container, and the safety pins are arranged on the limiting device and inserted into the safety holes on the container;

the fixing device comprises two longitudinal binding bands and two transverse binding bands, wherein the two longitudinal binding bands bind the container on the machine body skid along the longitudinal direction, and the two transverse binding bands bind the container on the machine body skid along the transverse direction.

In some alternative embodiments, the lifting device is a jack.

In some optional embodiments, the body skid comprises a body frame and a landing gear of the unmanned helicopter, wherein a plurality of transverse mounting hanging points for mounting the transverse binding bands are arranged on the body frame, the landing gear comprises two arch bridge structures and two supporting cross bars arranged at the bottoms of the two arch bridge structures, the two arch bridge structures are arranged at the bottoms of the body frame and are respectively positioned at the front side and the rear side of the container, and the limiting devices are symmetrically arranged on the two arch bridge structures.

In some optional embodiments, the limiting device comprises two front limiting hoops and two rear limiting hoops, the two front limiting hoops are arranged on the front side of the body skid, the two rear limiting hoops are arranged on the rear side of the body skid, the two front limiting hoops and the two rear limiting hoops are respectively provided with two limiting stops, the limiting stops are respectively arranged on two adjacent sides of the corner of the container and are abutted to the top of the container, the shape of the limiting stops is matched with that of the corner of the container, and the safety pin is arranged in the mounting hole of the limiting stop in a penetrating mode.

In some optional embodiments, the front limit hoop and the rear limit hoop are both provided with a longitudinal mounting hanging point for mounting the longitudinal binding belt.

In some alternative embodiments, the limit stop of the rear limit hoop located at the rear side of the cargo box is a separate limit stop, and the separate limit stop is detachably assembled with the rear limit hoop through a screw.

In some optional embodiments, the container includes a top cover and a box body, the top cover is assembled with the box body through a hinge, four sides of the container are respectively provided with a plurality of pull rings, the pull rings are used for assembling the longitudinal binding bands or the transverse binding bands, a plurality of handles are respectively installed on the front side and the rear side of the box body, and a damping universal wheel is arranged at the bottom of the box body.

In some alternative embodiments, two sides of the container are further provided with a storage box, and the storage box is provided with a quick-release lock.

In some alternative embodiments, the top of the lifting device is provided with an L-shaped load bearing mounting seat, and the L-shaped load bearing mounting seat is respectively abutted against the bottom of the container and the middle reinforcing ribs of the side surfaces.

Another embodiment of the present invention provides a method of loading and unloading a cargo box of a medium-sized cargo unmanned helicopter, the method comprising a cargo box loading operation and a cargo box unloading operation;

the container loading operation includes the steps of:

s1, pushing a container to the position right below a skid of a machine body in the tail direction of a middle-sized freight unmanned helicopter and adjusting the position to be centered relative to the middle-sized freight unmanned helicopter;

s2, placing the lifting device at the middle position of the bottoms of two sides of the container, lifting the container to a position between the limit stop block of the front limit hoop and the limit stop block of the rear limit hoop through the lifting device, and locking the separated limit stop block of the rear limit hoop on the rear limit hoop through a screw;

s3, binding the container on the skid of the machine body through two longitudinal binding bands and two transverse binding bands, correspondingly penetrating a plurality of safety pins through the mounting holes of the limit stop blocks, and then inserting the safety pins into the safety holes on the container, so that the loading operation of the container is completed.

The container unloading operation includes the steps of:

s1, placing two lifting devices at the bottom of a container, and operating the lifting devices to support the container;

s2, detaching the separated limiting stop block on the rear limiting hoop, loosening the two longitudinal binding bands and the two transverse binding bands, and detaching the safety pin from the limiting stop block;

s3, slowly descending the container to a proper position by operating the lifting device, and completing unloading operation of the container.

Compared with the prior art, the cargo box mounting structure of the medium-sized unmanned helicopter for freight transportation can solve the problem of freight transportation in special environments, has a stable structure, reduces the requirements on a transportation site, avoids the consumption of resources such as manpower, material resources and the like, has reasonable structural layout and strong carrying capacity, and is beneficial to the transportation of cargoes with different weights; and a safety pin is additionally arranged on the cargo box mounting and mounting, so that double protection is provided for the transfer process.

In order that the invention may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic illustration of a cargo box mounting structure of a medium cargo unmanned helicopter in accordance with one embodiment of the invention after loading the cargo box;

FIG. 2 is a schematic illustration of the cargo box mounting structure of a medium cargo unmanned helicopter in accordance with one embodiment of the invention as it unloads the cargo box;

FIG. 3 is a schematic view of a skid structure according to an embodiment of the present invention;

fig. 4 is an enlarged view at a shown in fig. 3;

fig. 5 is a schematic view of the structure of a cargo box according to one embodiment of the invention.

Reference numerals illustrate:

10. a body skid; 11. a fuselage frame; 12. landing gear; 13. an arch bridge structure; 14. a support rail; 15. a hanging point is transversely mounted; 20. a limiting device; 21. front limit anchor ear; 22. rear limit anchor ear; 23. a limit stop; 24. longitudinally mounting a hanging point; 25. a separate limit stop; 26. a screw; 30. a cargo box; 31. a top cover; 32. a case; 33. a hinge; 34. a pull ring; 35. a handle; 36. damping universal wheels; 37. a storage box; 40. a lifting device; 41. an L-shaped bearing mounting seat; 50. a fixing device; 51. a longitudinal strap; 52. a transverse strap; 60. and a safety pin.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality" means at least two, such as two, three, etc., unless explicitly defined otherwise, the meaning of "a number" means one or more than one.

Referring to fig. 1, a cargo box mounting structure of a medium-sized unmanned helicopter for cargo box loading according to an embodiment of the invention is shown in a schematic structure after loading the cargo box, and comprises a skid 10, a limiting device 20, a cargo box 30, a lifting device 40, a fixing device 50 and a plurality of safety pins 60.

Referring to FIG. 2, a schematic diagram of a cargo box mounting structure of a medium-sized cargo unmanned helicopter according to an embodiment of the invention is shown when unloading a cargo box, wherein a skid 10 is used for hanging a cargo box 30; the cargo box 30 is mounted directly under the body skid 10 and arranged directly under the main rotor of the medium cargo unmanned helicopter; the limiting devices 20 are symmetrically arranged at the front side and the rear side of the body skid 10 and are used for limiting the position of the cargo box 30 relative to the body skid 10; the two lifting devices 40 are arranged on the left side and the right side of the container 30 and used for lifting the container 30 into the limiting device 20, the limiting device 20 is used for limiting the container 30, the safety pins 60 are arranged on the limiting device 20 and inserted into safety holes in the container 30, and safety measures are arranged on the mounting of the container 30.

The securing device 50 includes two longitudinal straps 51 and two transverse straps 52, the two longitudinal straps 51 longitudinally binding the cargo box 30 to the body sled 10 and the two transverse straps 52 transversely binding the cargo box 30 to the body sled 10. The longitudinal straps 51 and the transverse straps 52 may be ratchet straps.

In some alternative embodiments, lifting device 40 is a jack. Of course, the structure of the elevating device 40 is not limited thereto, and those skilled in the art can select other suitable structures according to the teachings of the present invention.

Referring to fig. 3, which is a schematic structural diagram of a body skid according to an embodiment of the present invention, the specific structure of the body skid 10 may be appropriately designed according to practical needs, for example, in some alternative embodiments, the body skid 10 includes a body frame 11 and a landing gear 12 of an unmanned helicopter, the body frame 11 is provided with a plurality of transverse hanging points 15 for installing transverse straps 52, the transverse straps 52 are disposed through the transverse hanging points 15 and are limited by the transverse hanging points 15, the landing gear 12 includes two arch bridge structures 13 and two supporting crossbars 14 disposed at the bottoms of the two arch bridge structures 13, the two arch bridge structures 13 are disposed at the bottoms of the body frame 11 and are respectively located at front and rear sides of a cargo box 30, and the limiting devices 20 are symmetrically installed on the two arch bridge structures 13.

Referring to fig. 4, which is an enlarged view of a portion a shown in fig. 3, in some alternative embodiments, the limiting device 20 includes two front limiting hoops 21 and two rear limiting hoops 22, the two front limiting hoops 21 are disposed on the arch bridge structure 13 on the front side of the body skid 10, the two rear limiting hoops 22 are disposed on the arch bridge structure 13 on the rear side of the body skid 10, two limiting stops 23 are disposed on the two front limiting hoops 21 and the two rear limiting hoops 22, respectively, on two adjacent sides of a corner of the cargo box 30 and abut against the top of the cargo box 30, the shape of the limiting stop 23 is matched with that of the corner of the cargo box 30, and the two limiting stops 23 of the same limiting hoops surround the horn structure forming a downward opening, so as to facilitate guiding the cargo box 30 into between the limiting stops 23, and the safety pin 60 is disposed in the mounting hole of the limiting stop 23.

In some alternative embodiments, the front limit hoop 21 and the rear limit hoop 22 are provided with a longitudinal hanging point 24 for installing a longitudinal strap 51, and the longitudinal strap 51 is arranged on the longitudinal hanging point 24 in a penetrating manner and is limited by the hanging point strap.

In some alternative embodiments, the limit stop 23 of the rear limit hoop 22 located at the rear side of the cargo box 30 is a separate limit stop 25, and the separate limit stop 25 is detachably assembled with the rear limit hoop 22 by a screw 26, and the separate limit stop 25 can press the cargo box 30 against the limit stop 23 of the opposite front limit hoop 21 by a locking screw 26, so as to realize positioning and locking of the cargo box 30.

Referring to fig. 5, which is a schematic view of a cargo box according to an embodiment of the present invention, in some alternative embodiments, the cargo box 30 includes a top cover 31 and a box body 32, the top cover 31 is assembled with the box body 32 through a hinge 33, four sides of the cargo box 30 are respectively provided with a plurality of pull rings 34, the pull rings 34 are used for assembling longitudinal straps 51 or transverse straps 52 for limiting positions of the longitudinal straps 51 or the transverse straps 52, a plurality of handles 35 are respectively installed on front and rear sides of the box body 32, and a shock absorbing universal wheel 36 is provided at the bottom of the box body 32 for transferring the cargo box 30 under different road conditions.

In some alternative embodiments, the cargo box 30 is further provided with a storage box 37 on both sides, the storage box 37 is provided with a quick release lock, and the storage box 37 is used for accommodating the lifting device 40.

In some alternative embodiments, the top of the lifting device 40 is provided with an L-shaped bearing mounting seat 41, the L-shaped bearing mounting seat 41 is respectively abutted against the bottom and side middle reinforcing ribs of the cargo box 30, the reinforcing ribs at the bottom of the cargo box 30 are placed on the L-shaped bearing mounting seat 41, and the L-shaped bearing mounting seats 41 at two sides of the cargo box 30 can stably limit the cargo box 30 from rotating, so that the cargo box 30 can stably lift.

The invention also provides a loading and unloading method of the cargo box 30 of the medium-sized cargo unmanned helicopter, which can be applied to the cargo box mounting structure, and comprises cargo box loading operation and cargo box unloading operation;

the cargo box 30 loading operation includes the steps of:

s1, pushing a cargo box 30 to the position right below a skid 10 of a machine body in the tail direction of a middle-sized unmanned helicopter for freight transport and adjusting the position to the middle position of the middle-sized unmanned helicopter for freight transport;

s2, placing the lifting device 40 at the middle position of the bottoms of the two sides of the cargo box 30, lifting the cargo box 30 to a position between the limit stop 23 of the front limit hoop 21 and the limit stop 23 of the rear limit hoop 22 through the lifting device 40, and locking the separated limit stop 25 of the rear limit hoop 22 on the rear limit hoop 22 through the screw 26;

s3, binding the cargo box 30 on the skid 10 through two longitudinal binding bands 51 and two transverse binding bands 52, enabling the longitudinal binding bands 51 to pass through the longitudinal mounting hanging points 24 and pull rings 34 on the front side and the rear side of the cargo box 30, enabling the transverse binding bands 52 to pass through the transverse mounting hanging points 15 and the pull rings 34 on the left side and the right side of the cargo box 30, enabling a plurality of safety pins 60 to correspondingly pass through mounting holes of the limit stop 23, inserting the safety pins into the safety holes on the cargo box 30, opening the storage box 37, and accommodating the lifting device 40 in the storage box 37, thus completing the cargo box loading operation.

The cargo box 30 unloading operation includes the steps of:

s1, taking out the lifting devices 40 from the storage box 37, firstly adjusting the L-shaped bearing mounting seat 41 of the lifting devices 40 to be slightly lower than the height of the bottom of the cargo box 30, then placing the two lifting devices 40 at the bottom of the cargo box 30, and operating the lifting devices 40 to support the cargo box 30;

s2, detaching the separated limit stop 25 on the rear limit hoop 22, detaching the two longitudinal binding bands 51 and the two transverse binding bands 52, and detaching the safety pin 60 from the limit stop 23;

s3, the container 30 is slowly lowered to a proper position, such as slowly lowered to the position where the shock absorbing universal wheels 36 are abutted against the ground, by operating the lifting device 40, and then the unloading operation of the container 30 is completed after the lifting device 40 is placed back into the storage box 37.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The cargo box mounting structure of the medium-sized cargo unmanned helicopter is characterized by comprising a body skid, a limiting device, a cargo box, a lifting device, a fixing device and a plurality of safety pins;

wherein the body skid is used for mounting the container;

the cargo box is mounted under the body skid and is arranged under the main rotor wing of the medium-sized freight unmanned helicopter;

the limiting devices are symmetrically arranged on the front side and the rear side of the body skid and are used for limiting the position of the container relative to the body skid;

the two lifting devices are arranged on the left side and the right side of the container and used for lifting the container into the limiting device, the limiting device is used for limiting the container, and the safety pins are arranged on the limiting device and inserted into the safety holes on the container;

the fixing device comprises two longitudinal binding bands and two transverse binding bands, wherein the two longitudinal binding bands bind the container on the machine body skid along the longitudinal direction, and the two transverse binding bands bind the container on the machine body skid along the transverse direction.

2. The medium cargo unmanned helicopter cargo box mounting structure according to claim 1 wherein: the lifting device is a jack.

3. The medium cargo unmanned helicopter cargo box mounting structure according to claim 1 wherein: the machine body skid comprises a machine body frame of the unmanned helicopter and an undercarriage, wherein a plurality of transverse mounting hanging points for mounting transverse binding bands are arranged on the machine body frame, the undercarriage comprises two arch bridge structures and two supporting cross bars arranged at the bottoms of the two arch bridge structures, the two arch bridge structures are arranged at the bottoms of the machine body frame and are respectively located at the front side and the rear side of a cargo box, and the limiting devices are symmetrically mounted on the two arch bridge structures.

4. The medium cargo unmanned helicopter cargo box mounting structure according to claim 1 wherein: the limiting device comprises two front limiting hoops and two rear limiting hoops, wherein the two front limiting hoops are arranged on the front side of the body skid, the two rear limiting hoops are arranged on the rear side of the body skid, the two front limiting hoops and the two rear limiting hoops are respectively provided with two limiting stops, the limiting stops are respectively arranged on two adjacent sides of corners of the container and are abutted to the top of the container, the shape of each limiting stop is matched with that of the corner of the container, and the safety pin is arranged in the mounting hole of each limiting stop in a penetrating mode.

5. The medium cargo unmanned helicopter cargo box mounting structure according to claim 4 wherein: the front limiting anchor ear and the rear limiting anchor ear are both provided with longitudinal mounting hanging points for mounting the longitudinal binding bands.

6. The medium cargo unmanned helicopter cargo box mounting structure according to claim 4 wherein: the limit stop of the rear limit hoop, which is positioned at the rear side of the cargo box, is a separated limit stop, and the separated limit stop is detachably assembled with the rear limit hoop through a screw.

7. The medium cargo unmanned helicopter packing box mounting structure according to any one of claims 1 to 6 wherein: the packing box includes top cap and box, the top cap pass through the hinge with the box assembly, the four sides of packing box are provided with a plurality of pull rings respectively, the pull ring supplies vertical bandage or horizontal bandage assembly, a plurality of handles are installed respectively to both sides around the box, the bottom of box is provided with the shock attenuation universal wheel.

8. The medium cargo unmanned helicopter packing box mounting structure according to any one of claims 1 to 6 wherein: the two sides of the container are also provided with storage boxes, and the storage boxes are provided with quick-release locks.

9. The medium cargo unmanned helicopter packing box mounting structure according to any one of claims 1 to 6 wherein: the top of elevating gear is provided with L type bearing mount pad, L type bearing mount pad butt respectively on the middle strengthening rib of the bottom and the side of packing box.

10. A medium-sized cargo unmanned helicopter cargo box loading and unloading method is characterized in that the method comprises a cargo box loading operation and a cargo box unloading operation,

the container loading operation includes the steps of:

s1, pushing a container to the position right below a skid of a machine body in the tail direction of a middle-sized freight unmanned helicopter and adjusting the position to be centered relative to the middle-sized freight unmanned helicopter;

s2, placing the lifting device at the middle position of the bottoms of two sides of the container, lifting the container to a position between the limit stop block of the front limit hoop and the limit stop block of the rear limit hoop through the lifting device, and locking the separated limit stop block of the rear limit hoop on the rear limit hoop through a screw;

s3, binding the cargo box on the skid of the machine body through two longitudinal binding bands and two transverse binding bands, correspondingly penetrating a plurality of safety pins through the mounting holes of the limit stop blocks, and then inserting the safety pins into the safety holes on the cargo box, so that the cargo box loading operation is completed;

the container unloading operation includes the steps of:

s1, placing two lifting devices at the bottom of a container, and operating the lifting devices to support the container;

s2, detaching the separated limiting stop block on the rear limiting hoop, loosening the two longitudinal binding bands and the two transverse binding bands, and detaching the safety pin from the limiting stop block;

s3, slowly descending the container to a proper position by operating the lifting device, and completing unloading operation of the container.