Flexible connecting device of refueling device structure

Abstract

The invention belongs to the field of refueling device design, and particularly relates to a refueling device structure flexible connecting device which comprises a first flange plate, a second flange plate and a flexible rubber part. The flexible rubber part is of a cylindrical structure, the cross section of the first flange plate and the cross section of the second flange plate are each of an L-shaped structure, the first flange plate and the second flange plate are symmetrically arranged through the middle of the flexible rubber part, and the two ends of the flexible rubber part are attached to the outer wall of the first flange plate and the outer wall of the second flange plate respectively. When the refueling device is used for refueling through the cargo bridge floor structure, refueling is transmitted to the flexible rubber part through the flange plate, and the flexible rubber part is of a flexible structure and can effectively absorb passive loads, so that increase of the structural weight is reduced, structural deformation is prevented, and the passive loads are released; meanwhile, the structure is simple and stable, the weight is light, the device can be used by connecting the first flange plate and the second flange plate with corresponding bolts, and use is convenient.

Description

Technical Field

[0001] The present application belongs to the field of refueling device design, and in particular relates to a refueling device structural flexible connection device. Background Art

[0002] The refueling device structure is installed on the ramp floor structure. When the aircraft is pressurized, the ramp structure will produce significant deformation, which will be directly transmitted to the refueling device structure. Since the refueling device structure itself cannot withstand the deformation caused by the load, a flexible connection structure needs to be set in the refueling device structure to eliminate the impact of passive loads. Summary of the invention

[0003] The purpose of the present application is to provide a refueling device structure flexible connection device to solve the problem of increasing passive load when the existing refueling device structure and the cargo bridge structure are not deformed in accordance with each other.

[0004] The technical solution of the present application is: a refueling device structural flexible connection device, including a first flange, a second flange and a flexible rubber part; the flexible rubber part is a cylindrical structure, the cross-sections of the first flange and the second flange are both L-shaped structures, and the first flange and the second flange are symmetrically arranged through the middle of the flexible rubber part, and the two ends of the flexible rubber part are respectively in contact with the outer walls of the first flange and the second flange.

[0005] Preferably, the flexible rubber member has a plurality of groups of inner ring grooves evenly arranged in the axial direction, and each inner ring groove is provided with a full-ring steel ring.

[0006] Preferably, the flexible rubber member is provided with annular protrusions on both sides corresponding to the steel ring.

[0007] Preferably, both ends of the flexible rubber member are provided with fixing grooves with a rectangular cross section, an annular support ring is provided in the fixing groove, and the inner wall of the support ring is arranged corresponding to the outer walls of the first flange and the second flange.

[0008] Preferably, the support ring is made of aluminum.

[0009] Preferably, both ends of the flexible rubber member are fixed to the first flange and the second flange by gluing.

[0010] Preferably, two ends of the flexible rubber member are fixed to the first flange and the second flange by bolts.

[0011] The refueling device structure flexible connection device of the present application, when the refueling device is refueled through the cargo bridge floor structure, the refueling is transmitted to the flexible rubber part through the flange. The flexible rubber part is a flexible structure and can effectively absorb passive loads, thereby reducing the increase in structural weight, preventing structural deformation, and releasing passive loads. At the same time, the structure is simple and stable, and the weight is light. It can be used by connecting the first flange and the second flange with corresponding bolts, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solution provided by the present application, the following is a brief introduction to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present application.

[0013] Figure 1 This is the axonometric drawing of the overall structure of this application;

[0014] Figure 2 This is a cross-sectional view of the overall structure of this application;

[0015] Figure 3 This is a cross-sectional structural diagram of the flexible rubber component of this application.

[0016] 1. First flange; 2. Second flange; 3. Flexible rubber part; 4. Steel ring; 5. Support ring; 6. Annular protrusion. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] A refueling device structure flexible connection device, such as Figure 1-3 As shown, it includes a first flange 1, a second flange 2 and a flexible rubber member 3. The flexible rubber member 3 is a cylindrical structure, the cross-sections of the first flange 1 and the second flange 2 are both L-shaped structures, and the first flange 1 and the second flange 2 are symmetrically arranged through the middle of the flexible rubber member 3, and the two ends of the flexible rubber member 3 are respectively in contact with the outer walls of the first flange 1 and the second flange 2. When the refueling device is refueled through the cargo bridge floor structure, the refueling is transferred to the flexible rubber member 3 through the flange. The flexible rubber member 3 is a flexible structure, which can effectively absorb the passive load, thereby reducing the increase in structural weight, and preventing structural deformation and releasing passive loads; at the same time, the structure is simple and stable, and the weight is light. It can be used by connecting the first flange 1 and the second flange 2 with corresponding bolts, which is more convenient.

[0019] Preferably, a plurality of groups of inner ring grooves are evenly arranged in the axial direction in the flexible rubber member 3, and a full-ring steel ring 4 is arranged in each inner ring groove to further enhance the strength of the entire connecting device.

[0020] Preferably, the flexible rubber member 3 is provided with annular protrusions 6 on both sides corresponding to the steel ring 4 to ensure that both sides of the steel ring 4 have sufficient strength to resist deformation.

[0021] Preferably, a fixing groove with a rectangular cross-section is opened at both ends of the flexible rubber member 3, and an annular support ring 5 is arranged in the fixing groove. The inner wall of the support ring 5 is arranged corresponding to the outer wall of the first flange 1 and the second flange 2 to enhance the strength of the two ends of the flexible rubber member 3.

[0022] Preferably, the support ring 5 is made of aluminum.

[0023] Preferably, both ends of the flexible rubber member 3 are fixed to the first flange 1 and the second flange 2 by gluing.

[0024] Preferably, both ends of the flexible rubber member 3 are fixed to the first flange 1 and the second flange 2 by bolts.

[0025] Finally, it should be noted that: the drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0026] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A refueling device structural flexible connection device, characterized in that: The invention comprises a first flange (1), a second flange (2) and a flexible rubber member (3); the flexible rubber member (3) is a cylindrical structure, the cross sections of the first flange (1) and the second flange (2) are both L-shaped structures, and the first flange (1) and the second flange (2) are symmetrically arranged through the middle of the flexible rubber member (3), and the two ends of the flexible rubber member (3) are respectively in contact with the outer walls of the first flange (1) and the second flange (2).

2. The refueling device structural flexible connection device according to claim 1, characterized in that: The flexible rubber part (3) has multiple groups of inner ring grooves evenly arranged in the axial direction, and each inner ring groove is provided with a full-ring steel ring (4).

3. The refueling device structural flexible connection device according to claim 2, characterized in that: The flexible rubber part (3) is provided with annular protrusions (6) on both sides corresponding to the steel ring (4).

4. The refueling device structural flexible connection device according to claim 1, characterized in that: The two end portions of the flexible rubber member (3) are provided with fixing grooves with a rectangular cross section, and an annular support ring (5) is arranged in the fixing groove. The inner wall of the support ring (5) is arranged corresponding to the outer wall of the first flange (1) and the second flange (2).

5. The refueling device structural flexible connection device according to claim 4, characterized in that: The support ring (5) is made of aluminum.

6. The refueling device structural flexible connection device according to claim 1, characterized in that: The two ends of the flexible rubber member (3) are fixed to the first flange (1) and the second flange (2) by gluing.

7. The refueling device structural flexible connection device according to claim 1, characterized in that: The two ends of the flexible rubber member (3) are fixed to the first flange (1) and the second flange (2) by means of bolts.

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