CN211810191U - Aircraft cargo hold system and aircraft - Google Patents

Abstract

The utility model discloses an aircraft cargo hold system and an aircraft, and relates to the technical field of logistics. A specific embodiment of the aircraft cargo hold system includes: a floor structure and an air drop device; wherein the floor structure is arranged inside the aircraft cargo hold, and an air drop channel is provided at the center of the floor structure; the air drop device includes: a cargo support rod and a cutting device; a cargo support rod It is arranged at the airdrop channel of the floor structure to support the loaded goods; the cutting device is arranged on the floor structure and is used to cut off the connection between the cargo support rod and the floor structure during airdrop. This embodiment can be applied not only to the air transportation and air drop of the containerized cargo, but also to the air transportation of the bulk cargo.

Description

An aircraft cargo compartment system and aircraft

technical field

The utility model relates to the technical field of logistics, in particular to an aircraft cargo hold system and an aircraft.

Background technique

The existing aircraft cargo system mainly has two forms, one is the cargo system of civil cargo aircraft, and the other is the cargo system of military transport aircraft. The former generally adopts the form of side hatch, which is used for air transportation of civil aviation containers, focusing on the efficiency of cargo loading and unloading, and does not have the ability to air drop; the latter generally adopts the form of tail hatch for the transportation and air drop of military containers, vehicles, etc. It pays more attention to the ability of air delivery.

In the process of realizing the present utility model, the utility model found that there are at least the following problems in the prior art:

Due to the structural limitations of the aircraft, most aircraft do not have a tailgate, such as civil cargo aircraft, general aviation aircraft, helicopters, drones, etc., resulting in these aircraft models do not have airdrop capabilities.

Utility model content

In view of this, the embodiments of the present invention provide an aircraft cargo hold system and an aircraft, which can be suitable for both the air transport and air drop of container cargo, and the air transport of bulk cargo.

In order to achieve the above object, according to an aspect of the embodiments of the present invention, an aircraft cargo compartment system is provided, comprising: a floor structure and an air-dropping device; wherein,

The floor structure is arranged inside the cargo hold of the aircraft, and the center of the floor structure has an airdrop channel;

The airdrop device includes: a cargo support rod and a cutting device; the cargo support rod is arranged at the airdrop channel of the floor structure to support the loaded goods; the cutting device is set on the floor structure to cut off the cargo support rod and the floor structure during airdrop. Connection.

Optionally, the aircraft cargo hold system according to the embodiment of the present invention further includes: a mooring device arranged on the floor structure.

Optionally, the mooring device comprises: a plurality of mooring rings arranged on the floor structure, and mooring straps or mooring nets connected with the mooring rings.

Optionally, the aircraft cargo hold system according to the embodiment of the present invention further includes: a plurality of rolling devices arranged on the floor structure.

Optionally, the cutting device includes: a fixing part and a fusing part; the fixing part is arranged on the floor structure, at least a part of the fusing part is connected with the fixing part, and at least another part is connected with the cargo support rod; the fusing part responds to the received The remote electrical signal is automatically blown to disconnect the cargo support bar from the fixed part.

Optionally, the aircraft cargo hold system according to the embodiment of the present invention further includes: guiding devices disposed on the floor structure and located on the left and right sides of the airdrop channel; the guiding directions of the guiding devices are parallel to the direction of the cargo door.

Optionally, the cross-section of the guide means is "Z" shaped or "I" shaped.

Optionally, the aircraft cargo hold system of the embodiment of the present invention further includes: a restraining device disposed on the floor structure and located inside and/or outside the airdrop channel, for restricting the movement of the loaded cargo in the direction of the cargo door.

Optionally, the restraint device includes: a fixed restraint device disposed on the floor structure and located inside the airdrop channel, and a unlockable restraint device disposed on the floor structure and located outside the airdrop channel; an unlockable restraint device When the restraint device is in the unlocked state, the restraint on the goods is released.

Optionally, the unlockable restraining device includes: a restraining body and a restraining part; the restraining body is arranged on the floor structure and is located outside the airdrop channel; the restraining part is rotatably arranged on the restraining body and can switch between the first position and the second position;

The first position refers to the position where the restraining portion is located when the restraining portion rotates relative to the restraining body until at least a part of the restraining portion is located above the plane where the floor structure is located;

The second position refers to the position of the restraining portion when the restraining portion rotates relative to the restraining body until any position of the restraining portion is not located above the plane where the floor structure is located.

Optionally, the aircraft cargo hold system according to the embodiment of the present invention further includes: a bulk cargo board, which is used to cover the air drop channel on the floor structure.

According to a second aspect of the embodiments of the present invention, an aircraft using the aircraft cargo compartment system provided by the first aspect of the embodiments of the present invention is provided.

One embodiment of the above-mentioned utility model has the following advantages or beneficial effects: by adopting the floor structure arranged inside the cargo compartment of the aircraft, cargo can be loaded and unloaded by using the side hatch; Use the lower hatch to drop cargo. The utility model is not only suitable for the air transport and air drop of the container cargo, but also for the air transport of the bulk cargo.

Further effects of the above non-conventional alternatives will be described below in conjunction with specific embodiments.

Description of drawings

The accompanying drawings are used for better understanding of the present invention and do not constitute an improper limitation of the present invention. in:

1 is a schematic diagram of an application scenario of an aircraft cargo hold system in an embodiment of the present invention;

2 is a schematic diagram of an aircraft cargo compartment system in an embodiment of the present invention;

Fig. 3 is the schematic diagram of the cutting device in the embodiment of the present invention;

Fig. 4 is the schematic diagram of the restraining device in the embodiment of the present invention;

5 is a schematic diagram of the unlockable restraint device in an unlocked state in an embodiment of the present invention;

Fig. 6 is the schematic diagram of the unlockable restraint device in the embodiment of the present invention;

7 is a schematic diagram of an airdrop device in an embodiment of the present invention;

Fig. 8 is the schematic diagram of the air freight containerized cargo in the embodiment of the present invention;

Fig. 9 is a schematic diagram of the air-dropped container cargo in the embodiment of the present invention;

Fig. 10 is another schematic diagram of the air-dropped container cargo in the embodiment of the present invention;

Figure 11 is a schematic diagram of a bulk cargo board in an embodiment of the present invention;

Fig. 12 is a schematic diagram of air transport of bulk cargo in the embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and should be considered as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted from the following description for clarity and conciseness.

The technical terms mentioned in the utility model:

Containerized cargo refers to the cargo that is put into transportation with containers as unit stowage equipment;

Bulk cargo refers to the cargo that is put into transportation without stowage equipment in containers.

According to an aspect of the embodiments of the present invention, an aircraft cargo compartment system 100 is provided, including: a floor structure 1 , a mooring device 5 and an air-dropping device 6 .

As shown in FIGS. 1 and 2 , the floor structure 1 is arranged inside the cargo compartment of the aircraft, and the central position of the floor structure 1 has an airdrop channel. The outer side of the floor structure 1 is connected with the side hatch of the aircraft, and cargo is loaded and unloaded through the side hatch. The airdrop channel is equivalent to the lower hatch. When the cargo needs to be airdropped, the airdrop is carried out from the lower hatch. The structural form of the floor structure 1 can be selectively set according to the actual situation, for example, a hollow structure, a solid structure, and the like. In order to reduce the weight of the aircraft, a hollow structure can be used, for example, including upper and lower support plates, and a support column connecting the upper and lower support plates. Typically, the floor structure 1 is part of the aircraft structure.

As shown in FIG. 7 , the air drop device 6 includes: a cargo support rod 61 and a cutting device 62 ; the cargo support rod 61 is arranged at the air drop passage of the floor structure 1 to support the loaded goods; the cutting device 62 is arranged on the floor structure 1 , which is used to cut off the connection between the cargo support rod 61 and the floor structure 1 during airdrop. By arranging an air-dropping channel at the center of the floor structure and using an air-dropping device, the cargo can be air-dropped using the lower hatch.

Optionally, as shown in FIG. 3 , the cutting device 62 includes: a fixing part 621 and a fusing part 622 (such as an explosive bolt); At least another part is connected with the cargo support rod 61 ; the fuse part 622 is automatically blown in response to the received remote electrical signal during airdrop, so as to disconnect the cargo support rod 61 from the fixed part 621 . The fuse component 622 is controlled to automatically fuse through a remote signal, which is convenient for control.

Optionally, the aircraft cargo hold system according to the embodiment of the present invention further includes: a mooring device 5 arranged on the floor structure 1 . The mooring device 5 is used for fixing the loaded cargo, or for restraining the cargo in the vertical direction during airdrop, so as to avoid the vertical movement of the cargo during the transportation process before the cargo to be airdropped. Optionally, the mooring device 5 includes: a plurality of mooring rings 51 arranged on the floor structure 1, and mooring straps 52 or mooring nets 53 connected with the mooring rings 51. The mooring loop 51 refers to a structure provided on the floor structure 1 for tying a belt or a net, and the number of the mooring loops 51 can be set as required. The mooring strap 52 refers to a strap which is fastened on the mooring ring 51 , and the number thereof may be one or more. The mooring net 53 refers to a net attached to the mooring loop 51, which may be woven from a plurality of straps. Either the mooring belt 52 or the mooring net 53 can restrain the cargo in the vertical direction when the cargo is air-dropped, so as to avoid the vertical movement of the cargo during the transportation process before the cargo to be air-dropped. Normally, since the restraining ability of the mooring net 53 in other directions is worse than that of the mooring belt 52, it is not used as much as possible during air transportation. The volume of air-dropped cargo or air-delivered bulk cargo is generally smaller than that of air-delivered bulk cargo, and is generally located in the groove of the floor structure 1 (the groove formed by the depression at the air-drop channel) during loading, and the mooring net 53 is more suitable. As shown in FIGS. 9 and 10 , when the cargo is dropped by air, the mooring ring 51 and the mooring belt 52 connected with the mooring ring 51 can be used to restrain the cargo in the vertical direction and fix other findings during the air drop. When bulk cargo is transported by air, the mooring ring 51 and the mooring net 53 are used to wrap the bulk cargo.

Optionally, the aircraft cargo hold system according to the embodiment of the present invention further includes: a plurality of rolling devices 2 arranged on the floor structure 1 . The rolling devices 2 can be arranged as many as needed to support the cargo and reduce the loading resistance of the cargo. Optionally, the ball device 2 is a ball that can rotate flexibly. Using balls, the structure is simple and the stability is good.

Optionally, the aircraft cargo hold system according to the embodiment of the present invention further includes: guiding devices 3 arranged on the floor structure 1 and located on the left and right sides of the airdrop channel; the guiding direction of the guiding device 3 is parallel to the direction of the cargo door. The guide device 3 is used for cargo guidance during cargo loading and unloading. In some embodiments, the guide means employs a line guide structure (ie, a guide member that is always in line contact with the cargo during loading and unloading), such as a guide rail. Optionally, the cross-section of the guide device 3 is "Z" or "I"-shaped. The guiding device with this structure has the advantages of simple structure, good stability and light weight. In other embodiments, a point guide structure (ie, a guide member in which a plurality of limit points are arranged to form a line) can also be used. For example, a row of fixed stoppers 41 or unlockable stoppers 42 is provided as the guide means 3 .

Optionally, the aircraft cargo hold system according to the embodiment of the present invention further includes: a restraining device 4 disposed on the floor structure 1 and located inside and/or outside the airdrop channel, for restricting the movement of the loaded cargo in the direction of the cargo door . A restraining device 4 is provided on the inner side of the airdrop channel (that is, the side away from the cargo door), which can prevent the loaded cargo from moving away from the cargo door. It can prevent the loaded cargo from moving towards the direction close to the cargo door.

Optionally, as shown in FIG. 4 , the restraining device 4 includes: a fixed restraining device 41 disposed on the floor structure 1 and located inside the airdrop channel, and a restraining device 41 disposed on the floor structure 1 and located outside the airdrop channel Unlockable restraining device 42 . As shown in FIG. 5 , when the unlockable restraint device 42 is in the unlocked state, the restraint on the goods is released. In practical application, when loading goods, the unlockable restraining device 42 is in an unlocked state; during loading and during air transportation, the unlockable restraining device 42 is in a locked state to restrain the goods. The numbers of the fixed restraining devices 41 and the unlockable restraining devices 42 can be selectively set according to actual conditions.

Optionally, as shown in FIG. 6 , the unlockable restraining device 42 includes: a restraining body 421 and a restraining portion 422 ; the restraining body 421 is disposed on the floor structure 1 and is located outside the airdrop channel; the restraining portion 422 It is rotatably arranged on the stopper body 421 and can be switched between the first position and the second position;

The first position refers to the position where the restraining portion 422 is located when the restraining portion 422 rotates relative to the restraining body 421 until at least a part of the restraining portion 422 is located above the plane where the floor structure 1 is located;

The second position refers to the position of the restraining portion 422 when the restraining portion 422 rotates relative to the restraining body 421 until any position of the restraining portion 422 is not above the plane where the floor structure 1 is located.

When the restraining portion 422 is in the first position, the unlockable restraining device 42 is in the locked state, and when the restraining portion 422 is in the second position, the unlockable restraining device 42 is in the unlocked state. The unlockable restraining device 42 with this structure has a simple structure and good stability.

Optionally, as shown in FIG. 11 , the aircraft cargo hold system according to the embodiment of the present invention further includes: a bulk cargo board 7 for covering the airdrop channel on the floor structure 1 . The bulk cargo is generally small in size, usually smaller than the size of the airdrop channel. The use of the bulk cargo board 7 can block the airdrop channel when the bulk cargo is transported by air, so as to prevent the bulk cargo from falling during the air transport process.

The aircraft cargo hold system according to the embodiment of the present invention will be exemplarily described below in combination with practical application scenarios.

1. Application scenarios of air freight containerized goods

The volume of the containerized cargo is usually larger, generally larger than the size of the airdrop channel, so there is no need to use the bulk cargo board 7 to block the airdrop channel.

When the containerized cargo is transported by air, the unlockable restraining device 42 is unlocked by the staff, and the containerized cargo is loaded into the cargo compartment through the side door. The ball device 2 supports the containerized cargo and reduces the loading resistance of the containerized cargo. Loading cargo for guided loading. When the container cargo is loaded in place, lock the unlockable restraining device 42, so that the bottom plate of the container is restrained by the fixed restraining device 41, the unlockable restraining device 42, and the guide device 3, and the operation can be carried out. Air freight operation. As shown in Figure 8.

2. Application Scenarios of Airdropped Containerized Cargo

The volume of the containerized cargo to be airdropped is usually smaller than that of the airborne containerized cargo, and is generally the same as or smaller than the specifications of the airdrop channel on the floor structure 1. Therefore, it is not necessary to use the bulk cargo board 7 to block the airdrop channel, nor is it necessary to block the airdrop channel. Use guide 3 and stop 4.

When airdropping the containerized cargo, load the containerized cargo from the side hatch to the airdrop channel in the middle of the floor structure 1, place it on the airdrop device 6, and use the mooring device 5 to restrain the containerized cargo. As shown in Figures 9 and 10.

When the air drop command is executed, the cutting device 62 disconnects the connection between the cargo support rod 61 and the floor structure 1 , the support of the container cargo is released, and the container cargo is dropped from the lower door of the aircraft. The cargo support rod 61 is thrown out at the same time as the container cargo.

3. Application scenarios of air transport of bulk cargo

When transporting bulk cargo by air, use the bulk cargo board 7 to cover the air drop channel in the middle of the floor structure 1, and use the mooring ring 51 and mooring net 53 to wrap the bulk cargo after loading the bulk cargo, as shown in Figure 12.

The aircraft cargo hold system of the utility model adopts a modular structure, is compatible with the air transport of container cargo, the air transport of bulk cargo and the air drop capacity of container cargo, and is suitable for fixed-wing aircraft, helicopters, rotorcraft and other aircraft, and has good versatility.

According to a second aspect of the embodiments of the present invention, an aircraft using the aircraft cargo compartment system provided by the first aspect of the embodiments of the present invention is provided.

The aircraft of the embodiment of the present invention has all the beneficial effects of the above-mentioned aircraft cargo compartment system, which will not be repeated here.

According to the technical solution of the embodiment of the present invention, by adopting the floor structure arranged inside the cargo compartment of the aircraft, the cargo can be loaded and unloaded by using the side hatch; goods. The utility model is not only suitable for the air transport and air drop of the container cargo, but also for the air transport of the bulk cargo.

The above-mentioned specific embodiments do not limit the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims (10)

1. An aircraft cargo compartment system (100) comprising: a floor structure (1) and an aerial delivery device (6); wherein,

the floor structure (1) is arranged in the cargo hold of the airplane, and an air-drop channel is arranged in the center of the floor structure (1);

the air-drop device (6) comprises: a cargo supporting rod (61) and a cutting device (62); the cargo supporting rod (61) is arranged at an air drop channel of the floor structure (1) and used for supporting loaded cargos; the cutting device (62) is arranged on the floor structure (1) and is used for cutting off the connection between the goods supporting rod (61) and the floor structure (1) during air drop.

2. An aircraft cargo bay system (100) as defined in claim 1 further comprising: a mooring device (5) arranged on the floor structure (1).

3. An aircraft cargo bay system (100) as claimed in claim 2 wherein the mooring means (5) comprises: a plurality of mooring rings (51) provided on the floor structure (1), and a mooring belt (52) or a mooring net (53) connected to the mooring rings (51).

4. An aircraft cargo bay system (100) as claimed in claim 1 wherein the shut-off means (62) comprises: a fixing member 621 and a fusing member 622; the fixing component (621) is arranged on the floor structure (1), at least one part of the fusing component (622) is connected with the fixing component (621), and at least another part of the fusing component is connected with the cargo supporting rod (61); the fusing part (622) is automatically fused in response to the received remote electric signal at the time of air drop to disconnect the cargo pallet (61) from the fixing part (621).

5. An aircraft cargo bay system (100) as defined in claim 1 further comprising: the guiding devices (3) are arranged on the floor structure (1) and are positioned on the left side and the right side of the air-drop channel; the guiding direction of the guiding device (3) is parallel to the direction of the cargo hold door.

6. An aircraft cargo compartment system (100) according to claim 5, wherein the guide means (3) is "Z" shaped or "I" shaped in cross-section.

7. An aircraft cargo bay system (100) as defined in claim 1 further comprising: and the limiting device (4) is arranged on the floor structure (1) and is positioned on the inner side and/or the outer side of the air dropping channel and used for limiting the movement of the loaded goods along the direction of the cargo hold door.

8. An aircraft cargo compartment system (100) according to claim 7 wherein the stop means (4) comprises: the device comprises a fixed limiting device (41) which is arranged on the floor structure (1) and is positioned at the inner side of the air-drop channel, and an unlockable limiting device (42) which is arranged on the floor structure (1) and is positioned at the outer side of the air-drop channel; when the unlockable limiting device (42) is in an unlocked state, the limitation on the goods is released.

9. An aircraft cargo bay system (100) as claimed in claim 8 wherein the unlockable restraint device (42) comprises: a stopper body (421) and a stopper part (422); the limiting body (421) is arranged on the floor structure (1) and is positioned outside the air-drop channel; the limiting part (422) is rotatably arranged on the limiting body (421) and can be switched between a first position and a second position;

the first position is: the limiting part (422) rotates relative to the limiting body (421) to the position of the limiting part (422) when at least one part of the limiting part (422) is positioned above the plane of the floor structure (1);

the second position is: when the limiting part (422) rotates relative to the limiting body (421) until any position of the limiting part (422) is not located above the plane of the floor structure (1), the limiting part (422) is located.

10. An aircraft employing the aircraft cargo compartment system (100) of any of claims 1-9.

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