CN216546734U

CN216546734U - Foldable general auxiliary fuel tank storage rack

Info

Publication number: CN216546734U
Application number: CN202120676821.2U
Authority: CN
Inventors: 高应瑞; 喻峰; 王念伟
Original assignee: SICHUAN HANGTAI AVIATION EQUIPMENT CO Ltd
Current assignee: SICHUAN HANGTAI AVIATION EQUIPMENT CO Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2022-05-17
Anticipated expiration: 2031-04-01

Abstract

The utility model provides a foldable general auxiliary oil tank storage rack which comprises a cross beam, two groups of supporting legs for supporting the cross beam and two groups of supporting arms for supporting an auxiliary oil tank of a machine body; the two groups of supporting legs are oppositely hinged at two ends of the cross beam, the two groups of supporting arms are oppositely hinged at two ends of the cross beam, a group of connecting shafts and a group of limiting shafts are respectively arranged at two ends of the cross beam, the supporting arms and the supporting legs arranged at the same end of the cross beam are hinged on the same group of connecting shafts, when the two groups of supporting arms and the two groups of supporting legs are unfolded to the maximum angle, the lower ends of the two groups of supporting arms and the upper ends of the two groups of supporting legs are respectively abutted against the two groups of supporting legs and the two groups of supporting arms which are arranged on the limiting shafts and can be unfolded and gathered relative to the cross beam, and when the supporting arms are unfolded, the upper parts of each group of supporting legs and the lower parts of each group of supporting arms are respectively abutted against the group of limiting shafts, so that the two groups of supporting legs and the two groups of supporting arms are prevented from being continuously unfolded; when accomodating, only need two sets of landing legs of reverse upset and two sets of support arms can realize fold condition, simple structure, easily operation.

Description

Foldable general auxiliary fuel tank storage rack

Technical Field

The utility model relates to a storage rack for a fuselage auxiliary oil tank, in particular to a foldable general storage rack for an auxiliary oil tank.

Background

Fuselage fuel sumps are commonly used in military aircraft, and are typically suspended below the fuselage and wings of the aircraft.

The middle part of the auxiliary oil tank of the machine body is cylindrical, and two ends of the auxiliary oil tank are conical and streamline; because the connecting surfaces of the two ends and the middle part of the auxiliary oil tank of the machine body are irregular cambered surfaces, the lifting position is difficult to position and easy to roll; the commonly adopted measure is that steel materials are welded into a bracket or a pure wood structure is adopted to build the bracket, and the auxiliary oil tank is placed in the bracket; however, the welded steel structure is bulky and heavy as a whole, and is inconvenient to transport and store.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the background art and provide a foldable universal auxiliary fuel tank storage rack.

The embodiment of the utility model is realized by the following technical scheme:

a foldable general auxiliary fuel tank storage rack comprises a cross beam, two groups of supporting legs for supporting the cross beam and two groups of supporting arms for supporting auxiliary fuel tanks of a machine body; two sets of landing legs articulate in the crossbeam both ends relatively, and two sets of support arms also articulate in the crossbeam both ends relatively, the both ends of crossbeam still respectively are equipped with a set of connecting axle and a set of spacing axle, locate the crossbeam with the support arm of one end all articulate in same group's connecting axle with the landing leg, when two sets of support arms and two sets of landing legs all expand maximum angle, the equal butt in spacing epaxial in the lower extreme of two sets of support arms and the upper end of two sets of landing legs.

Further, the two groups of limiting shafts are arranged between the two groups of connecting shafts.

Furthermore, the upper end of the supporting leg is provided with a first limiting groove, and the lower end of the supporting arm is provided with a second limiting groove;

when two sets of support arms and two sets of landing legs all expand to maximum angle, set up in the support arm and the landing leg of the same end of crossbeam, the equal joint of the first spacing groove on the support arm and the second spacing groove of support arm lower extreme is on same group spacing axle.

Furthermore, a group of lifting belts is connected between the two groups of supporting arms.

Further, the upper end of two sets of support arms is respectively established and is provided with a set of pole that holds in the palm, the both ends in area of lifting are connected respectively on a set of pole that holds in the palm.

Furthermore, the upper end of each group of supporting arms is also hinged with a group of movable components, and the movable components on the two groups of supporting arms are detachably connected through a group of binding bands.

Furthermore, the technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

the two groups of supporting legs and the two groups of supporting arms can be unfolded/gathered relative to the cross beam, and when the supporting legs are unfolded, the upper parts of the supporting legs and the lower parts of the supporting arms are abutted against one group of limiting shafts, so that the two groups of supporting legs and the two groups of supporting arms are prevented from being unfolded continuously; when accomodating, only need two sets of landing legs of reverse upset and two sets of support arms can realize fold condition, simple structure, easily operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic view of a collapsible general-purpose storage rack for auxiliary fuel tanks according to the present invention;

FIG. 2 is a first enlarged view of a portion of the collapsible utility fuel tank storage rack of the present invention;

FIG. 3 is a second enlarged view of a portion of the collapsible utility fuel tank storage rack of the present invention;

FIG. 4 is a view showing a state of use of the collapsible general-type drop tank storage rack according to the present invention;

icon: 1-general type auxiliary fuel tank storage rack, 10-support legs, 100-first limiting groove, 11-cross beam, 110-connecting shaft, 111-limiting shaft, 12-support arm, 120-second limiting groove, 121-lifting rod, 13-movable assembly, 14-binding band and 15-lifting band.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The embodiments of the utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a foldable general-purpose secondary fuel tank storage rack 1, including a cross beam 11, two sets of support legs 10 for supporting the cross beam 11, and two sets of support arms 12 for supporting a secondary fuel tank of a fuselage, specifically, the two sets of support legs 10 are disposed below the cross beam 11, and the two sets of support arms 12 are disposed above the cross beam 11; in this embodiment, the beam 11, the two sets of support legs 10, and the two sets of support arms 12 are all metal frame structures, so that the material is saved and the dead weight is reduced while sufficient structural strength is ensured.

The two groups of supporting legs 10 are oppositely hinged at two ends of the cross beam 11, namely the free ends of the two groups of supporting legs 10 can be relatively gathered or unfolded; the two groups of supporting arms 12 are also oppositely hinged at two ends of the cross beam 11, namely the two groups of supporting arms 12 can also be oppositely unfolded or gathered; specifically, two ends of the cross beam 11 are respectively provided with a group of connecting shafts 110 and a group of limiting shafts 111, and the lower ends of the supporting arms 12 and the upper ends of the supporting legs 10 which are arranged at the same end of the cross beam 11 are hinged to the same group of connecting shafts 110; referring to fig. 2 and 3, when the two sets of support arms 12 and the two sets of support legs 10 are both expanded to the maximum angle, the lower ends of the two sets of support arms 12 and the upper ends of the two sets of support legs 10 are both abutted to the limit shaft 111, so that the two sets of support arms 12 and the two sets of support legs 10 cannot be expanded continuously to the maximum expansion degree.

It is easy to understand that the two sets of limiting shafts 111 can be disposed outside the two sets of connecting shafts 110, in this embodiment, the two sets of limiting shafts 111 can also be disposed between the two sets of connecting shafts 110, and the two sets of limiting shafts 111 and the two sets of connecting shafts 110 are parallel to each other.

With reference to fig. 3, in order to improve the structural stability of the general-purpose storage rack for secondary fuel tanks 1 in the unfolded state, the upper end of the supporting leg 10 is provided with a first limiting groove 100, the lower end of the supporting arm 12 is provided with a second limiting groove 120, when the two groups of supporting arms 12 and the two groups of supporting legs 10 are unfolded to the maximum angle, the supporting arm 12 and the supporting leg 10 which are arranged at the same end of the cross beam 11 are arranged, and the first limiting groove 100 on the supporting arm 12 and the second limiting groove 120 at the lower end of the supporting arm 12 are both clamped on the same group of limiting shafts 111, so that the structure is more stable; when folded, only two groups of supporting arms 12 and two groups of supporting legs 10 need to be gathered reversely.

In some preferred embodiments, a set of lifting belt 15 is further connected between the two sets of support arms 12, specifically, a set of lifting rod 121 is respectively disposed at the upper ends of the two sets of support arms 12, the two ends of the lifting belt 15 are respectively connected to the set of lifting rod 121, the lifting belt 15 is made of canvas, the structural strength is high, and the auxiliary oil tank of the fuselage is not easily damaged.

In addition, the upper end of each group of supporting arms 12 is hinged with a group of movable components 13, the movable components 13 on the two groups of supporting arms 12 are detachably connected through a group of binding bands 14 and can be used for fixing the auxiliary oil tank of the fuselage, and the final using state is shown in fig. 4.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A foldable general auxiliary fuel tank storage rack comprises a cross beam (11), two groups of supporting legs (10) for supporting the cross beam (11) and two groups of supporting arms (12) for supporting auxiliary fuel tanks of a machine body; two sets of landing legs (10) articulate crossbeam (11) both ends relatively, and two sets of support arms (12) also articulate crossbeam (11) both ends relatively, its characterized in that:

the two ends of the cross beam (11) are respectively provided with a group of connecting shafts (110) and a group of limiting shafts (111), the supporting arms (12) and the supporting legs (10) which are arranged at the same end of the cross beam (11) are hinged to the same group of connecting shafts (110), and when the two groups of supporting arms (12) and the two groups of supporting legs (10) are unfolded to the maximum angle, the lower ends of the two groups of supporting arms (12) and the upper ends of the two groups of supporting legs (10) are abutted to the limiting shafts (111).

2. The collapsible utility fuel tank storage rack of claim 1, wherein: the two groups of limiting shafts (111) are arranged between the two groups of connecting shafts (110).

3. The collapsible utility-type drop tank storage rack according to claim 1 or 2, wherein: the upper end of the supporting leg (10) is provided with a first limiting groove (100), and the lower end of the supporting arm (12) is provided with a second limiting groove (120);

when two sets of support arms (12) and two sets of landing legs (10) all expand to the biggest angle, set up in support arm (12) and landing leg (10) of crossbeam (11) same end, first spacing groove (100) on support arm (12) and second spacing groove (120) of support arm (12) lower extreme all joint on same group spacing axle (111).

4. The collapsible utility fuel drop tank storage rack of claim 1, wherein: a group of lifting belts (15) is connected between the two groups of supporting arms (12).

5. The collapsible utility fuel drop tank storage rack of claim 4, wherein: the upper end of two sets of support arms (12) respectively is provided with a set of pole (121) of lifting, the both ends of lifting area (15) are connected respectively on a set of pole (121) of lifting.

6. The collapsible utility-type drop tank storage rack according to claim 1 or 4, wherein: the upper end of each group of supporting arms (12) is also hinged with a group of movable components (13), and the movable components (13) on the two groups of supporting arms (12) are detachably connected through a group of binding bands (14).

7. The collapsible utility fuel drop tank storage rack of claim 1, wherein: the cross beam (11), the two groups of support legs (10) and the two groups of support arms (12) are all frame structures made of metal materials.