Multifunctional mounting seat for auxiliary fuel tank of airplane

Abstract

The utility model relates to the technical field of airplane auxiliary fuel tank mounting, in particular to a multifunctional mounting seat for an airplane auxiliary fuel tank, which comprises a heavy frame and a cable tube. The space utilization rate of the interior of the auxiliary fuel tank is improved by arranging the first installation part for containing the lifting lug and the second installation part for containing the functional part on the heavy frame, the closed container is formed by the first welding part and the aircraft auxiliary fuel tank, and installation and drainage of an aircraft auxiliary fuel tank cable are achieved through the second welding part. And the maintainability of the airplane auxiliary fuel tank is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft auxiliary fuel tank installation, in particular to a multifunctional mounting seat for an aircraft auxiliary fuel tank. Background Art

[0002] At present, domestic aircraft auxiliary fuel tanks need to be equipped with multiple parts to achieve necessary functions. In actual use, the arrangement of multiple parts in the auxiliary fuel tank makes the auxiliary fuel tank structure complex, increases the space occupied, and has poor maintainability, which reduces the economic efficiency of the auxiliary fuel tank. The reason is that multiple parts are used to achieve the multiple functions of the auxiliary fuel tank, resulting in insufficient utilization of the internal space of the aircraft auxiliary fuel tank. Utility Model Content

[0003] Aiming at the problem of insufficient internal space utilization of existing aircraft auxiliary fuel tanks, the utility model proposes a multifunctional mounting seat for an aircraft auxiliary fuel tank, comprising a load-bearing frame and a cable tube; the space utilization inside the auxiliary fuel tank is improved by arranging a first mounting portion for accommodating a lifting ear and a second mounting portion for accommodating a functional component on the load-bearing frame, and a closed container is formed with the aircraft auxiliary fuel tank through the arranged first welding portion, and installation and drainage of cables with the aircraft auxiliary fuel tank are achieved through the arranged second welding portion, thereby improving the maintainability of the aircraft auxiliary fuel tank.

[0004] The specific implementation contents of the utility model are as follows:

[0005] A multifunctional mounting seat for an aircraft auxiliary fuel tank, used for mounting an aircraft auxiliary fuel tank; comprising a load-bearing frame and a cable pipe;

[0006] The end of the load-bearing frame is provided with a first mounting portion for mounting a lifting ear, and the middle of the load-bearing frame is provided with a second mounting portion for mounting a functional component;

[0007] A first welding portion is provided at the joint between the load-bearing frame and the end surface of the aircraft auxiliary fuel tank, and a second welding portion is provided at the joint between the load-bearing frame and the end surface of the cable tube;

[0008] A third mounting portion for mounting cables of functional components is disposed at the bottom of the second mounting portion, and the third mounting portion is fixedly connected to the cable tube via the second welding portion.

[0009] In order to better realize the utility model, further, the first welding portion is a streamlined weld corresponding to the aircraft auxiliary fuel tank.

[0010] In order to better implement the utility model, further, the third mounting portion is a round hole.

[0011] In order to better implement the utility model, further, the second welding portion is a circular weld corresponding to the circular hole.

[0012] In order to better realize the utility model, further, the aircraft auxiliary fuel tank multifunctional mounting seat also includes a lateral support portion; the lateral support portion is arranged below the first mounting portion, and a concave cavity for accommodating the first mounting portion is arranged in the middle of the lateral support portion.

[0013] In order to better realize the utility model, further, the aircraft auxiliary fuel tank multifunctional mounting seat also includes a support frame; the lateral support portion is radially provided with a through hole;

[0014] The support frame is arranged at the bottom of the lateral support portion and is fixedly connected with the reinforcing rib bolts of the aircraft auxiliary fuel tank through the through hole.

[0015] In order to better realize the utility model, further, the aircraft auxiliary fuel tank multifunctional mounting seat also includes a lifting lug cover; the lifting lug cover is fixedly connected to the load-bearing frame by bolts.

[0016] In order to better implement the present invention, further, the second mounting portion is provided with a plurality of threaded holes; the functional components are fixed to the threaded holes of the second mounting portion by bolts.

[0017] In order to better implement the present invention, further, the recessed depth of the second mounting portion is greater than the recessed depth of the first mounting portion.

[0018] In order to better implement the utility model, further, the first mounting portion is provided with a plurality of threaded holes, and the lifting ears are connected to the threaded holes on the first mounting portion by bolts.

[0019] The utility model has the following beneficial effects:

[0020] The utility model improves the space utilization rate inside the auxiliary fuel tank and increases the oil carrying capacity of the aircraft auxiliary fuel tank by arranging a first mounting portion for accommodating a lifting ear and a second mounting portion for accommodating a functional component on a load-bearing frame; and forms a closed container with the aircraft auxiliary fuel tank through the arranged first welding portion, and realizes the installation and drainage of the aircraft auxiliary fuel tank cable through the arranged second welding portion, thereby improving the maintainability of the aircraft auxiliary fuel tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a schematic diagram of the planar structure of the multifunctional mounting seat of the aircraft auxiliary fuel tank provided by the utility model.

[0022] Figure 2 The utility model is a structural schematic diagram of the welding of the multifunctional mounting seat of the aircraft auxiliary fuel tank and the cable pipe.

[0023] Figure 3 The utility model is a structural schematic diagram of the connection between the multifunctional mounting seat of the aircraft auxiliary fuel tank and the lifting lug cover.

[0024] Figure 4 The utility model is a three-dimensional structural schematic diagram of the multifunctional mounting seat of the aircraft auxiliary fuel tank provided by the utility model.

[0025] Among them, 1. load-bearing frame, 2. aircraft auxiliary fuel tank, 3. support frame, 4. lifting ear, 5. functional component, 6. lifting ear cover, 7. cable tube, 8. first mounting part; 9. second mounting part; 10. third mounting part; 11. first welding part, 12. second welding part, 13. lateral supporting part, 14. through hole. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. It should be understood that the described embodiments are only part of the embodiments of the utility model, not all of the embodiments, and therefore should not be regarded as limiting the scope of protection. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] This embodiment provides a multifunctional mounting seat for an aircraft auxiliary fuel tank, which is used to mount an aircraft auxiliary fuel tank 2; Figure 1 As shown, it includes a load-bearing frame 1 and a cable tube 7;

[0030] The end of the load-bearing frame 1 is provided with a first mounting portion 8 for mounting the lifting lug 4, and the middle of the load-bearing frame 1 is provided with a second mounting portion 9 for mounting the functional component 5;

[0031] A first welding portion 11 is provided at the joint between the load-bearing frame 1 and the end surface of the aircraft auxiliary fuel tank 2, and a second welding portion 12 is provided at the joint between the load-bearing frame 1 and the end surface of the cable tube 7;

[0032] A third mounting portion 10 for mounting the cable of the functional component 5 is provided at the bottom of the second mounting portion 9 , and the third mounting portion 10 is fixedly connected to the cable tube 7 via the second welding portion 12 .

[0033] Working principle: This embodiment improves the space utilization rate inside the aircraft auxiliary fuel tank 2 by arranging a first mounting portion 8 for accommodating the lifting ear 4 and a second mounting portion 9 for accommodating the functional component 5 on the load-bearing frame 1, forms a closed container with the aircraft auxiliary fuel tank 1 through the arranged first welding portion 11, and realizes the installation and drainage of the cable with the aircraft auxiliary fuel tank 2 through the arranged second welding portion 12, thereby improving the maintainability of the aircraft auxiliary fuel tank 2.

[0034] Embodiment 2:

[0035] This embodiment is based on the above embodiment 1. Figure 1 , Figure 2 As shown, the first welding portion and the second welding portion are described by taking a specific embodiment as an example.

[0036] The first welding portion 11 of the present embodiment is configured as a streamlined weld corresponding to the aircraft auxiliary fuel tank 2 .

[0037] The third mounting portion 10 of the present embodiment is configured as a circular hole; the second welding portion 12 of the present embodiment is configured as a circular weld corresponding to the circular hole.

[0038] Working principle: In this embodiment, a streamlined weld corresponding to the aircraft auxiliary fuel tank is set on the end surface where the load-bearing frame 1 and the aircraft auxiliary fuel tank 2 are welded, and the load-bearing frame 1 and the aircraft auxiliary fuel tank 2 are welded to form a closed container through the streamlined weld; a circular hole is set at the bottom of the second mounting portion 9, and the circular hole is used to install the cable of the functional component 5. The cable of the functional component 5 passes through the circular hole of the third mounting portion 10 and is connected to the cable tube 7. The cable tube 7 is welded to the load-bearing frame 1 through the circular weld corresponding to the set circular hole, thereby realizing the installation and drainage of the cable of the aircraft auxiliary fuel tank 2.

[0039] The other parts of this embodiment are the same as those of the above-mentioned embodiment 1, and thus will not be described in detail.

[0040] Embodiment 3:

[0041] This embodiment is based on any one of the above embodiments 1 to 2. Figure 4 As shown, the aircraft auxiliary fuel tank multifunctional mounting seat also includes a lateral support portion 13; the lateral support portion 13 is arranged below the first mounting portion 8, and a concave cavity for accommodating the first mounting portion 8 is arranged in the middle of the lateral support portion 13.

[0042] The lateral support portion 13 is radially provided with a through hole 14;

[0043] The support frame 3 is disposed at the bottom of the lateral support portion 13 and is fixedly connected to the reinforcement bolts of the aircraft auxiliary fuel tank 2 through the through holes 14 .

[0044] Working principle: In this embodiment, a lateral support portion 13 is provided, and a support frame 3 is provided at the bottom of the lateral support portion 13, and bolt through holes are radially provided on the side of the lateral support portion 13, which are connected to the reinforcing ribs inside the aircraft auxiliary fuel tank 2 through the bolt through holes, thereby realizing the lateral support of the aircraft auxiliary fuel tank 2 to withstand the lateral swing load of the aircraft rack.

[0045] The other parts of this embodiment are the same as any one of the above-mentioned embodiments 1-2, so they will not be repeated here.

[0046] Embodiment 4:

[0047] This embodiment is based on any one of the above embodiments 1 to 3. Figure 3 , Figure 4 As shown, the aircraft auxiliary fuel tank multifunctional mounting seat also includes a lifting lug cover 6; the lifting lug cover 6 is fixedly connected to the load-bearing frame 1 by bolts.

[0048] The second mounting portion 9 is provided with a plurality of threaded holes; the functional component 5 is fixed to the threaded holes of the second mounting portion 9 by means of bolts.

[0049] The recessed depth of the second mounting portion 9 is greater than the recessed depth of the first mounting portion 8 .

[0050] The first mounting portion 8 is provided with a plurality of threaded holes, and the lifting ears 4 are connected to the threaded holes on the first mounting portion 8 by means of bolts.

[0051] Working principle: the load-bearing frame 1 of this embodiment is connected to the lifting lug cover 6 by bolts, so as to maintain the shape of the aircraft auxiliary fuel tank 2; the load-bearing frame 1 is connected to the functional component 5 by bolts, so as to install the functional component 5; the load-bearing frame 1 is connected to the lifting lug 4 by bolts, so as to complete the load transmission of the aircraft auxiliary fuel tank 2.

[0052] In this embodiment, the recessed depth of the first mounting portion 9 is set to be greater than the recessed depth of the first mounting portion 8, further optimizing the space utilization rate inside the aircraft auxiliary fuel tank 2, solving the problem that the multiple functions of the aircraft auxiliary fuel tank 2 require multiple sets of parts to realize, the weight is not easy to control, the installation space is large, and the economy is poor. The aircraft auxiliary fuel tank multifunctional mounting seat proposed in this embodiment reduces the number of parts, and is easy to control the weight of parts, effectively utilizes the installation space, improves the economy, and has better maintainability. The use of the multifunctional mounting seat proposed in this embodiment improves the space utilization rate inside the aircraft auxiliary fuel tank 2, thereby increasing the fuel carrying capacity of the aircraft auxiliary fuel tank 2, and at the same time can effectively carry out weight reduction design, which can improve the endurance of the aircraft; the use of the multifunctional mounting seat reduces the number of parts of the auxiliary fuel tank and improves the maintenance and operability of the aircraft auxiliary fuel tank 2.

[0053] The other parts of this embodiment are the same as any one of the above-mentioned embodiments 1 to 3, so they will not be repeated here.

[0054] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A multifunctional mounting seat for an aircraft auxiliary fuel tank, used for mounting an aircraft auxiliary fuel tank (2); characterized in that: It comprises a load-bearing frame (1) and a cable tube (7); The end of the load-bearing frame (1) is provided with a first mounting portion (8) for mounting a lifting lug (4), and the middle of the load-bearing frame (1) is provided with a second mounting portion (9) for mounting a functional component (5); A first welding portion (11) is provided at a joint between the end surface of the load-bearing frame (1) and the aircraft auxiliary fuel tank (2), and a second welding portion (12) is provided at a joint between the end surface of the load-bearing frame (1) and the cable tube (7); A third mounting portion (10) for mounting a cable of a functional component (5) is provided at the bottom of the second mounting portion (9), and the third mounting portion (10) is fixedly connected to the cable tube (7) via the second welding portion (12).

2. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 1, characterized in that: The first welding portion (11) is a streamlined weld corresponding to the aircraft auxiliary fuel tank (2).

3. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 1, characterized in that: The third mounting portion (10) is a circular hole.

4. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 3, characterized in that: The second welding portion (12) is a circular weld corresponding to the circular hole.

5. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 1, characterized in that: The aircraft auxiliary fuel tank multifunctional mounting seat further comprises a lateral support portion (13); the lateral support portion (13) is arranged below the first mounting portion (8), and a concave cavity for accommodating the first mounting portion (8) is arranged in the middle of the lateral support portion (13).

6. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 5, characterized in that: The aircraft auxiliary fuel tank multifunctional mounting seat also includes a support frame (3); The lateral support portion (13) is radially provided with a through hole (14); The support frame (3) is arranged at the bottom of the lateral support portion (13), and is fixedly connected to the reinforcement rib bolts of the aircraft auxiliary fuel tank (2) via the through hole (14).

7. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 1, characterized in that: The aircraft auxiliary fuel tank multifunctional mounting seat further comprises a lifting lug cover (6); the lifting lug cover (6) is fixedly connected to the load-bearing frame (1) via bolts.

8. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 1, characterized in that: The second mounting portion (9) is provided with a plurality of threaded holes; the functional component (5) is fixed to the threaded holes of the second mounting portion (9) by means of bolts.

9. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 1, characterized in that: The recessed depth of the second mounting portion (9) is greater than the recessed depth of the first mounting portion (8).

10. The multifunctional mounting seat for aircraft auxiliary fuel tank according to claim 1, characterized in that: The first mounting portion (8) is provided with a plurality of threaded holes, and the lifting lugs (4) are connected to the threaded holes on the first mounting portion (8) via bolts.

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