Multi-closed box type thin-wall beam structure

Abstract

The utility model discloses a multi-closed box type thin-wall beam structure which comprises a closed box body, a plurality of first rib plates arranged in the length direction of the box body and at least one second rib plate arranged in the width direction of the box body are arranged in the box body, and the interior of the box body is divided into a plurality of closed cavities by the first rib plates and the second rib plates. The interior of the closed box body is divided into a plurality of closed cavities through the first rib plates and the second rib plates which are arranged in the two directions, that is, each cross section of the box body is provided with the corresponding closed cavity, high torsional rigidity is achieved, and it is guaranteed that the whole beam body has good static rigidity, dynamic rigidity and stability; after the ejection type throwing device is hung, the situation of deformation in the ejection throwing process can be avoided, and the ejection throwing stability is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to beam structure technical field especially relates to a multi-closed box type thin-walled beam structure. BACKGROUND

[0002] The existing suspension pod type beam body structure is mostly frame beam structure, which is a rectangular section flat beam body, as shown in the drawings, when the ejection launching device hung on the suspension pod type beam body is in the ejection process, the reaction force causes the beam body to produce bending and torsion combined deformation, and the overall torsional stiffness is insufficient. Figure 1 The utility model relates to beam structure technical field especially relates to a multi-closed box type thin-walled beam structure. UTILITY MODEL CONTENT

[0003] The utility model discloses a multi-closed box type thin-walled beam structure, solve the beam body of hanging ejection launching device has sufficient static stiffness, dynamic stiffness and stability, promote the problem of torsional stiffness.

[0004] In order to achieve the above object, the utility model provides the following technical scheme:

[0005] A multi-closed box type thin-walled beam structure, including the closed box body, the box body includes a plurality of first rib plates along its length direction and at least one second rib plate along its width direction, the first rib plate and the second rib plate divide the box body into a plurality of closed cavities.

[0006] Preferably, the top surface of the box body is provided with large lug mounting holes and small lug mounting holes at intervals, and the top surface of the box body is also provided with anti-swing stop structures located between adjacent large lug mounting holes and small lug mounting holes.

[0007] Preferably, the top surface of the box body is provided with first equipment mounting holes, second equipment mounting holes, third equipment mounting holes and fourth equipment mounting holes.

[0008] Preferably, the two side surfaces of the box body are respectively provided with second maintenance covers, and one of the side surfaces is provided with a first maintenance cover, and the box body is provided with a maintenance panel corresponding to the first maintenance cover.

[0009] Preferably, the bottom surface of the box body is provided with a fifth equipment mounting hole located in the middle and a plurality of process covers located on both sides of the fifth equipment mounting hole, and the bottom surface of the box body is also provided with a structure avoiding hole and a first wire harness channel.

[0010] Preferably, the box is provided with a first reinforcing frame corresponding to the fifth equipment mounting hole, and longitudinal beams fixed on the symmetric surfaces of the box and on both sides of the first reinforcing frame, and a longitudinal rib is arranged in the middle of the first reinforcing frame and is in the same plane as the longitudinal beams; the box is also provided with a second reinforcing frame corresponding to the large lug mounting hole; the side wall of the box, the longitudinal beams, the first reinforcing frame and the second reinforcing frame divide the inside of the box into closed cavities.

[0011] Preferably, a plurality of lightening holes are arranged on the longitudinal beams and the first reinforcing frame.

[0012] Preferably, the second equipment mounting hole, the third equipment mounting hole and the fourth equipment mounting hole are fixed with first reinforcing ribs between the longitudinal beams; the small lug mounting hole is fixed with second reinforcing ribs between the two side surfaces of the box; a plurality of third reinforcing ribs are fixed between the anti-swing stop structures, and a plurality of fourth reinforcing ribs are fixed between the anti-swing structures and the side wall of the box.

[0013] Preferably, the front wall and the rear wall of the box are each provided with a second wire harness passage, and the first reinforcing frame and the second reinforcing frame are each provided with a third wire harness passage.

[0014] Preferably, the third wire harness passage, the first maintenance cover, the second maintenance cover, the first equipment mounting hole, the second equipment mounting hole, the third equipment mounting hole, the fourth equipment mounting hole, the fifth equipment mounting hole and the large lug mounting hole are each provided with a locally thickened reinforcing structure at the opening.

[0015] Beneficial effects:

[0016] The first rib plate and the second rib plate arranged in two directions divide the closed box into a plurality of closed cavities, that is, each cross section of the box has a closed cavity, so that the box has high torsional stiffness, and the entire beam body has good static stiffness, dynamic stiffness and stability; after the hanging and ejecting type delivery device is hung, the device can avoid deformation during the ejecting process, and the ejecting stability is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of a prior art beam structure;

[0018] Figure 2 is a structural schematic view of an embodiment beam structure of the present application;

[0019] Figure 3 is a structural schematic view of an embodiment of the present application;

[0020] Figure 4 is Figure 3 is a bottom perspective structural schematic view;

[0021] Figure 5 For Figure 3 Structure diagram of the top surface of the hidden box body in the embodiment;

[0022] Figure 6 Structure diagram of the top surface of the box body in the embodiment;

[0023] In Figures 1 to 6 In the embodiment, the correspondence between the component names or lines and the figure numbers is as follows:

[0024] Box body 1, first rib plate 2, second rib plate 3, large lug mounting hole 4, small lug mounting hole 5, anti-swing stop structure 6, first device mounting hole 7, second device mounting hole 8, third device mounting hole 9, fourth device mounting hole 10, first maintenance port cover 11, second maintenance port cover 12, fifth device mounting hole 13, process port cover 14, structure avoiding hole 15, first wire harness channel 16, first reinforcing frame 17, longitudinal beam 18, longitudinal rib 19, second reinforcing frame 20, lightening hole 21, first reinforcing rib 22, second reinforcing rib 23, third reinforcing rib 24, fourth reinforcing rib 25, second wire harness channel 26, third wire harness channel 27, locally thickened reinforcing structure 28. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0026] Referring to Figures 1-6 The embodiment of the present application proposes a multi-closed box type thin-walled beam structure, which comprises a closed box body 1, the box body 1 comprises a plurality of first rib plates 2 arranged along the length direction thereof and at least one second rib plate 3 arranged along the width direction thereof, the first rib plates 2 and the second rib plate 3 divide the box body 1 into a plurality of closed cavities, the closed box body 1 is divided into a plurality of closed cavities by the first rib plates 2 and the second rib plates 3 arranged in two directions, and a closed cavity structure is formed on each cross section, thereby improving the torsional rigidity, and having good static stiffness, dynamic stiffness and stability. After being hung on a catapult type release device, the entire beam structure will not be deformed during the catapult release process, thereby ensuring the stability of the catapult release process.

[0027] The entire beam structure is the main load-bearing structure of the hanger, and needs to meet the connection and installation of other devices. In order to meet the installation of corresponding devices and ensure that the beam structure is in a stable state, the corresponding installation connection structure is distributed and optimized.

[0028] Specifically, the large lug mounting hole 4 and the small lug mounting hole 5 are arranged on the top surface of the box body 1, and the anti-swing stop structure 6 is arranged between the adjacent large lug mounting hole 4 and small lug mounting hole 5 on the top surface of the box body 1, wherein the large lug mounting hole 4 and the small lug mounting hole 5 are threaded blind holes, which can be connected with standard lugs, and the whole beam structure is connected to the hanger, and then the anti-swing stop structure 6 is matched to avoid swinging.

[0029] At the same time, in order to connect the equipment above the beam structure, specifically, the first equipment mounting hole 7, the second equipment mounting hole 8, the third equipment mounting hole 9 and the fourth equipment mounting hole 10 are arranged on the top surface of the box body 1, and the specific arrangement position can be designed according to the corresponding connection position.

[0030] The second maintenance cover 12 is arranged on the two side surfaces of the box body 1, and the first maintenance cover 11 is arranged on one side surface, and the maintenance panel corresponding to the first maintenance cover 11 is arranged in the box body 1, so that the equipment installed in the box body 1 can be assembled and maintained from the two sides of the box body 1, and the controlled part can be integrated into the maintenance panel position.

[0031] In addition to the connection at the top, the ejection type delivery device is hung at the bottom of the whole beam structure, specifically, the fifth equipment mounting hole 13 is arranged in the middle of the bottom surface of the box body 1, and a plurality of process covers 14 are arranged on both sides of the fifth equipment mounting hole 13, and the structure avoiding hole 15 and the first wire harness channel 16 are arranged on the bottom surface of the box body 1, the equipment is installed through the fifth equipment mounting hole 13, the auxiliary installation is realized through the process cover 14, and the first wire harness channel 16 is used for internal and external cable arrangement.

[0032] In order to meet the separation of the closed cavity in the box body 1, the first rib plate 2 and the second rib plate 3 are region unitized, and the stability of the whole beam structure is ensured, specifically, the first reinforcing frame 17 corresponding to the fifth equipment mounting hole 13 is arranged in the box body 1, and the longitudinal beam 18 is arranged on the symmetry surface of the box body 1 and fixed on both sides of the first reinforcing frame 17, the longitudinal rib 19 in the same plane as the longitudinal beam 18 is arranged in the middle of the first reinforcing frame 17, and the second reinforcing frame 20 corresponding to the large lug mounting hole 4 is arranged in the box body 1, the side wall of the box body 1, the longitudinal beam 18, the first reinforcing frame 17 and the second reinforcing frame 20 separate the inside of the box body 1 into a closed cavity, realize the regional function, facilitate the corresponding installation equipment position hole structure reinforcement, and ensure the torsional strength of the whole box body 1 structure.

[0033] In order to reduce the weight, a plurality of lightening holes 21 are arranged on the longitudinal beam 18 and the first reinforcing frame 17.

[0034] Meanwhile, in order to increase the fixing strength between the internal area structure and the side wall of the box body 1, specifically, a first reinforcing rib 22 is fixed between the second equipment mounting hole 8, the third equipment mounting hole and the fourth equipment mounting hole 10 and the longitudinal beam 18, a second reinforcing rib 23 is fixed between the small lifting lug mounting hole 5 and the two side walls of the box body 1, a plurality of third reinforcing ribs 24 are fixed between the anti-swing stop structures 6, and a plurality of fourth reinforcing ribs 25 are fixed between the anti-swing stop structures and the side wall of the box body 1.

[0035] Meanwhile, a second wire harness channel 26 is arranged on the front wall and the rear wall of the box body 1, and a third wire harness channel 27 is arranged on the first reinforcing frame 17 and the second reinforcing frame 20, so that the wire harness channel, the third wire harness channel 27 and the first wire harness channel 16 can realize the wiring of the wire harness in and out of the box body 1.

[0036] Specifically, a local thickening reinforcing structure 28 is arranged at the opening of the third wire harness channel 27, the first maintenance cover 11, the second maintenance cover 12, the first equipment mounting hole 7, the second equipment mounting hole 8, the third equipment mounting hole 9, the fourth equipment mounting hole 10, the fifth equipment mounting hole 13 and the large lifting lug mounting hole 4, the local thickening reinforcing structure 28 improves the structural strength of the opening position, has good bearing property, and facilitates the installation of the opening.

[0037] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the description of the present application, it should be pointed out that the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0039] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A multi-closed box thin-walled beam structure, characterized by: The utility model relates to a box body (1) including a plurality of first webs (2) arranged along the length direction and at least one second web (3) arranged along the width direction, which divide the box body (1) into a plurality of closed cavities.

2. A multi-closed box thin-walled beam structure according to claim 1, characterized in that: The top surface of the box body (1) is provided with large lug mounting holes (4) and small lug mounting holes (5) at intervals, and is also provided with anti-swing stop structures (6) between adjacent large lug mounting holes (4) and small lug mounting holes (5).

3. A multi-closed box thin-walled beam structure according to claim 2, characterized in that: The top surface of the box body (1) is provided with first device mounting holes (7), second device mounting holes (8), third device mounting holes (9), and fourth device mounting holes (10).

4. A multi-closed box thin-walled beam structure according to claim 3, characterized in that: The two side surfaces of the box body (1) are respectively provided with second maintenance covers (12), and one side surface is provided with a first maintenance cover (11), and the box body (1) is provided with a maintenance panel corresponding to the first maintenance cover (11).

5. A multi-closed box thin-walled beam structure according to claim 4, characterized in that: The bottom surface of the box body (1) is provided with a fifth device mounting hole (13) in the middle and a plurality of process covers (14) on both sides of the fifth device mounting hole (13), and is also provided with structure avoidance holes (15) and first wire harness channels (16) on the bottom surface.

6. A multi-closed box thin-walled beam structure according to claim 5, characterized in that: The box body (1) is provided with a first reinforcing frame (17) corresponding to the fifth device mounting hole (13), and longitudinal beams (18) on the symmetrical surfaces of the box body (1) and fixed on both sides of the first reinforcing frame (17), and the middle part of the first reinforcing frame (17) is provided with a longitudinal rib (19) in the same plane as the longitudinal beams (18); The box body (1) is also provided with a second reinforcing frame (20) corresponding to the large lug mounting holes (4); The side walls of the box body (1), the longitudinal beams (18), the first reinforcing frame (17), and the second reinforcing frame (20) divide the box body (1) into closed cavities.

7. A multi-closed box thin-walled beam structure according to claim 6, characterized in that: The longitudinal beams (18) and the first reinforcing frame (17) are provided with a plurality of lightening holes (21).

8. A multi-closed box thin-walled beam structure according to claim 6, characterized in that: The second device mounting holes (8), the third device mounting holes, and the fourth device mounting holes (10) are fixed with first reinforcing ribs (22) between the longitudinal beams (18); The small lug mounting holes (5) and the two side surfaces of the box body (1) are fixed with second reinforcing ribs (23); The anti-swing stop structures (6) are fixed with a plurality of third reinforcing ribs (24), and the anti-swing structures and the side walls of the box body (1) are fixed with a plurality of fourth reinforcing ribs (25).

9. A multi-closed box thin-walled beam structure according to claim 6, characterized in that: The front wall and the rear wall of the box body (1) are both provided with second wire harness channels (26), and the first reinforcing frame (17) and the second reinforcing frame (20) are both provided with third wire harness channels (27).

10. A multi-closed box thin-walled beam structure according to claim 9, characterized in that: The third wire harness channel (27), the first maintenance cover (11), the second maintenance cover (12), the first equipment mounting hole (7), the second equipment mounting hole (8), the third equipment mounting hole (9), the fourth equipment mounting hole (10), the fifth equipment mounting hole (13) and the large lifting lug mounting hole (4) are all provided with local thickened reinforcing structures (28) at the openings.

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