Helicopter auxiliary fuel tank placing frame

Abstract

The utility model discloses a helicopter auxiliary oil tank placing frame which comprises a frame body assembly of a multi-layer structure and further comprises a plurality of pairs of supporting and placing pieces fixed to all layers of the frame body assembly. An arc-shaped concave face matched with the radian of the side face of the auxiliary oil tank is arranged on the upper surface of the supporting and placing piece. According to the helicopter auxiliary oil tank placing frame, the placing frame is of a multi-layer structure, auxiliary oil tanks are stored in a centralized mode, the space utilization rate is increased, and the situation that the auxiliary oil tanks occupy the placing space of other products is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of helicopter maintenance equipment, and more specifically, to a helicopter auxiliary oil tank placement rack. Background Art

[0002] Each helicopter of a certain type is equipped with two auxiliary fuel tanks, which are usually placed together during factory repairs. The existing auxiliary fuel tank placement rack can only hold one auxiliary fuel tank, and the space utilization rate is low. With the increase in helicopter production capacity, the placement area of ​​auxiliary fuel tanks to be repaired and installed has greatly increased, occupying the placement space for other products.

[0003] The utility model patent with patent announcement number CN210853779U discloses an oil tank support placement device for oil and gas storage. It includes a base, and both sides of the upper end of the base are fixedly connected with support columns. By setting a telescopic cylinder and a fixing mechanism, the telescopic cylinder is used to push the fixing plate and the clamping plate in the end fixing mechanism to clamp and fix the oil tank, thereby preventing the oil tank from shifting during earthquakes or natural disasters, strengthening the positioning of the oil tank, and preventing accidents caused by the oil tank falling. However, this device occupies a large area and has low space utilization. Utility Model Content

[0004] An object of the present invention is to solve the above-mentioned problems and / or disadvantages and to provide advantages which will be described below.

[0005] In order to achieve these purposes and other advantages of the utility model, a helicopter auxiliary fuel tank placement rack is provided, comprising: a multi-layered frame assembly, characterized in that it also includes: a plurality of pairs of supporting members fixed to each layer of the frame assembly;

[0006] The upper surface of the supporting member is provided with an arc-shaped concave surface matching the curvature of the side surface of the auxiliary oil tank.

[0007] Preferably, the frame assembly comprises: a bottom frame arranged transversely;

[0008] A vertical frame set at the center of the vertical bottom frame;

[0009] A pair of horizontally arranged cross bars fixed to the upper middle part of the vertical frame.

[0010] Preferably, a fixing belt I and a fixing belt II are respectively provided at both ends of the arc-shaped concave surface of the supporting member;

[0011] The fixing belt I and the fixing belt II are connected via a buckle.

[0012] Preferably, a flexible protective layer is provided on the arc-shaped concave surface.

[0013] Preferably, the height of the arc-shaped concave surface close to one end of the vertical frame is higher than the height of the arc-shaped concave surface away from one end of the vertical frame.

[0014] Preferably, a plurality of casters are provided below the frame assembly.

[0015] The utility model at least includes the following beneficial effects: the placement rack is provided with a multi-layer structure to centrally store the auxiliary oil tanks, thereby increasing space utilization and preventing the auxiliary oil tanks from occupying the placement space of other products.

[0016] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a helicopter auxiliary fuel tank placement rack in one embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a helicopter auxiliary fuel tank placement rack assembly in one embodiment of the utility model.

[0019] Markings in the figure: 1. frame assembly, 11. bottom frame, 12. vertical frame, 13. cross bar, 2. supporting piece, 21. arc-shaped concave surface, 22. fixing belt I, 23. fixing belt II, 24. buckle, 3. caster. DETAILED DESCRIPTION

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0021] It should be understood that terms such as “having”, “including” and “comprising” used herein do not recite the existence or addition of one or more other elements or combinations thereof.

[0022] It should be noted that in the description of the present invention, the orientation or position relationship indicated by the term is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium. It can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0024] In addition, in the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0025] Example 1

[0026] A helicopter auxiliary fuel tank placement rack, the structure of which is as follows Figure 1-2 As shown, it includes: a frame assembly 1 with a multi-layer structure, and also includes: a plurality of pairs of supporting members 2 fixed to each layer of the frame assembly 1;

[0027] The upper surface of the supporting member 2 is provided with an arc-shaped concave surface 21 matching the curvature of the side surface of the auxiliary oil tank.

[0028] In actual applications, the frame assembly is made of aluminum alloy material, and the frame assembly 1 has two layers. A supporting part 2 is provided at the placement position of each layer through bolts; the arc-shaped concave surface 21 of the supporting part 2 matches the curvature of the side surface of the auxiliary fuel tank, and each pair of supporting parts 2 jointly supports and lifts the front and rear ends of the auxiliary fuel tank.

[0029] Working principle: The placement rack is provided with a multi-layer structure to centrally store the auxiliary oil tanks, thereby increasing space utilization and preventing the auxiliary oil tanks from occupying the placement space of other products; the arc-shaped concave surface 21 is provided to cooperate with the curvature of the side of the auxiliary oil tank to prevent it from displacement while increasing the supporting area, so that the force is evenly distributed and the auxiliary oil tank is prevented from deformation.

[0030] Example 2

[0031] This embodiment 2 is a preferred embodiment of the present invention, and its specific structure is as follows Figure 1-2 As shown, it discloses the following improvements based on the embodiment 1: the frame assembly 1 comprises: a bottom frame 11 arranged transversely;

[0032] A vertical frame 12 is arranged at the center of the vertical bottom frame 11;

[0033] A pair of horizontally arranged cross bars 13 are fixed to the upper middle portion of the vertical frame 12 .

[0034] In actual applications, the total length of the cross bar 13 is 1300 mm, the width is 40 mm, and the thickness is 5 mm. The middle part is fixed to the vertical frame 12 by bolts; the bottom and sides of each supporting member 2 in the lower layer are fixed to the bottom frame 11 and the vertical frame 12 by bolts, and the bottom and sides of each supporting member 2 in the upper layer are fixed to the cross bar 13 and the vertical frame 12 by bolts, forming a total of four symmetrical auxiliary oil tank placement positions on both sides of the vertical frame 12; there is no obstruction on both sides of the frame assembly 1, which is convenient for loading and unloading the auxiliary oil tank from both sides of the frame assembly 1.

[0035] Example 3

[0036] This embodiment 3 is a preferred embodiment of the present utility model, and the specific structure is as follows Figure 1 As shown, the following improvement is disclosed based on the embodiment 1: a fixing belt Ⅰ22 and a fixing belt Ⅱ23 are respectively provided at both ends of the arc-shaped concave surface 21 of the supporting member 2;

[0037] The fixing belt I 22 is connected to the fixing belt II 23 via a buckle 24 .

[0038] Working principle: After the auxiliary oil tank is placed on the supporting member 2, the fixing belts Ⅰ22 and Ⅱ23 are used to surround the auxiliary oil tank from both ends of the supporting member 2, tightly adhere to the side walls of the auxiliary oil tank and connect the fixing belts Ⅰ22 and Ⅱ23 through the buckle 24, so that the auxiliary oil tank is fixed to the placement rack and is not easy to fall off.

[0039] Example 4

[0040] This embodiment 4 is a preferred embodiment of the present utility model, which discloses the following improvements based on the embodiment 1: the arc-shaped concave surface 21 on the supporting member 2 that matches the auxiliary oil tank is provided with a flexible protective layer.

[0041] Working principle: The flexible protective layer provided on the arc-shaped concave surface 21 is a protective felt, which can prevent the auxiliary oil tank from colliding with the supporting member 2 when stored on the placement rack, causing the paint to fall off and be damaged on the surface of the auxiliary oil tank.

[0042] Example 5

[0043] This embodiment 5 is a preferred embodiment of the present utility model, and its specific structure is as follows Figure 1 As shown, the following improvement is disclosed based on the first embodiment: the height of the arcuate concave surface 21 close to one end of the vertical frame 12 is higher than the height of the arcuate concave surface 21 away from one end of the vertical frame 12 .

[0044] Working principle: The two ends of the arc-shaped concave surface 21 are set at different heights, so that the end of the supporting member 2 close to the vertical frame 12 retains a sufficient fixing surface to ensure that it is fixed to the vertical frame 12 more firmly, and the other end of the supporting member 2 is lowered to facilitate the removal and placement of the oil tank.

[0045] Example 6

[0046] This embodiment 6 is a preferred embodiment of the present utility model, and its specific structure is as follows Figure 1 As shown, it discloses the following improvement based on the implementation mode 1: a plurality of casters 3 are provided below the frame assembly 1.

[0047] In actual application, a caster 3 is set at the four corners below the frame assembly 1. Each caster 3 has a load-bearing capacity of 200 kg and is a universal caster with a brake and fixable function, which can facilitate the movement of the placement rack and facilitate daily maintenance and daily disassembly and assembly of the auxiliary oil tank.

[0048] The above solutions are only an illustration of a preferred example, but are not limited thereto. When implementing the present utility model, appropriate replacement and / or modification can be performed according to user needs.

[0049] The number of devices and processing scales described here are used to simplify the description of the utility model. Applications, modifications and variations of the utility model are obvious to those skilled in the art.

[0050] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and the embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily realized. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described here.

Claims

1. A helicopter auxiliary fuel tank placement rack, comprising: The multi-layer frame assembly is characterized in that it also includes: a plurality of pairs of supporting members fixed to each layer of the frame assembly; The upper surface of the supporting member is provided with an arc-shaped concave surface matching the curvature of the side surface of the auxiliary oil tank.

2. The helicopter auxiliary fuel tank placement rack according to claim 1, characterized in that: The frame assembly comprises: a bottom frame arranged transversely; A vertical frame set at the center of the vertical bottom frame; A pair of horizontally arranged cross bars fixed to the upper middle part of the vertical frame.

3. The helicopter auxiliary fuel tank placement rack according to claim 1, characterized in that: The two ends of the arc-shaped concave surface of the supporting member are respectively provided with a fixing belt I and a fixing belt II; The fixing belt I and the fixing belt II are connected via a buckle.

4. The helicopter auxiliary fuel tank placement rack according to claim 1, characterized in that: A flexible protective layer is provided on the arc-shaped concave surface.

5. The helicopter auxiliary fuel tank placement rack according to claim 1, characterized in that: The height of the arc-shaped concave surface close to one end of the vertical frame is higher than the height of the arc-shaped concave surface away from one end of the vertical frame.

6. The helicopter auxiliary fuel tank placement rack according to claim 1, characterized in that: A plurality of casters are arranged below the frame assembly.

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