JP3102899B2 - Joint structure of structure using brazed aluminum honeycomb panel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure for a structure using a brazed aluminum honeycomb panel, and more particularly to a welded joint for a tubular structure formed by welding a brazed aluminum honeycomb panel. .

[0002]

BACKGROUND ART In recent years, an aluminum honeycomb panel having a sandwich structure, which is formed by brazing and joining together by sandwiching a honeycomb-shaped core between two face plates, has been developed. Focusing on its lightness and high strength characteristics, Application to various structures is being studied.

In particular, it is considered desirable to construct a cylindrical structure such as a railway vehicle structure, which is desired to be lightened to enable high speed, using the above-mentioned brazed aluminum honeycomb panel. In order to reduce the weight of the railcar structure, it is made of aluminum.However, since it is conventionally composed of aluminum extruded materials and rolled plate materials, it is limited to reducing the thickness of extruded materials. In addition, when an ultra-thin plate obtained by a rolling method is used, it is necessary to dispose the aggregate densely, and in any case, there is a limit in reducing the weight.

In such an aluminum honeycomb panel, since the face plate is made of a plate material as thin as possible in order to reduce its weight, the ends of such a honeycomb panel are joined to each other. However, even if the face plate portion is directly connected by welding, the reliability of the strength of the welded portion is lacking, and the welding workability is accompanied by remarkable difficulty.

On the other hand, one of the applicants of the present application disclosed in Japanese Utility Model Laid-Open Publication No. 1-102318, a fitting member was fitted to the end of an aluminum honeycomb panel, brazed and fixed, and the joint member was inserted through the fitting member. Then, the structure to connect to the adjacent honeycomb panel was clarified. However, there is no disclosure about such an aluminum honeycomb panel, in particular, a structure that enables the installation of a reinforcing material at the joint thereof, and it is not disclosed that the panel is higher than the panel height (thickness). The structure that enables connection to adjacent members is also described in
There is also a device disclosed in Japanese Patent Publication No. 111837, but nothing is disclosed about butt joining.

[0006]

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a welding process for a honeycomb panel in a structure using a brazed aluminum honeycomb panel. Effective joint that can easily arrange the reinforcing material at the connection part while improving the reliability and strength reliability, and can easily connect to the adjacent member having a height equal to or higher than the panel height It is to provide a structure.

[0007]

SOLUTION] In order to solve the above problem, in the present invention, The rewritable arranged to sandwich an aluminum honeycomb core to two aluminum surface plates, the aluminum
Aluminum frame member coordinated <br/> location on the periphery of the iodonium made honeycomb core, and aluminum the aluminum frame material of the two
So that they are sandwiched between the
Aluminum faceplate, aluminum honeycomb core, and A
The standard panel configuration consisting of the aluminum frame material and brazing together
Form, it is configured by further junction a plurality of the reference panel
In the joint structure of a structure using an aluminum honeycomb panel, the aluminum frame material has a U-shaped cross section.
And the U-shaped cross section of the aluminum frame material
A pair of joints in contact with each aluminum face plate
The ends are each outward at the outer periphery of each reference panel
The aluminum honeycomb is protruded,
Of the reference panel that composes the
A pair of joint ends formed on the outer peripheral portion are
Edge material having a weld joint to the material is fixed by welding
And the fixing of the edge material by welding is performed by the reference panel.
At the outer edge of the panel
Aluminum face plate and aluminum frame material
The edge of the rim is joined by butt welding.
And by the joint structure of the structure using the brazing aluminum honeycomb panel characterized in that it is carried out, in which as its gist. Furthermore, the present invention is characterized in that, in the joint structure of the structure using the brazed aluminum honeycomb panel, the edge member has a shape that forms a closed cross-sectional structure in a state of being joined to the aluminum frame member. The joint structure of the structure using the brazed aluminum honeycomb panel described above is also the gist of the invention.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, in order to clarify the present invention more specifically, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded view of an example of a reference panel for providing a brazed aluminum honeycomb panel according to the present invention, and FIG. 2 is a sectional view of such a reference panel. Have been. In those figures, the reference panel 2 has a substantially rectangular flat plate shape, and a honeycomb structure core 8 is sandwiched between two front and back face plates 4 and 6.
At the periphery (four sides), a frame member 10 having a U-shaped cross section made of an extruded material is arranged and brazed together to be integrally brazed. Thus, the end face plate portion to be welded has a thick structure. The face plates 4, 6, the core 8, and the frame member 10 are all made of aluminum or an alloy thereof. Generally, a strip-shaped honeycomb forming material obtained by corrugating an aluminum brazing sheet is used. Are arranged side by side so as to provide a honeycomb structure between the face plates 4 and 6, and a plurality of honeycomb forming materials are brazed by heating to a temperature equal to or higher than the melting temperature of the brazing material in a state where the frame material 10 is arranged around the four circumferences. The honeycomb core 8 and the face plates 4, 6 and the frame member 1 around the periphery are formed together with the honeycomb core 8.
The reference panel 2 is completed by simultaneously brazing 0 and 0 simultaneously.

A plurality of such reference panels 2 are combined into a single large-area plate-like body to form a brazed aluminum honeycomb panel for forming a target structure. Because

That is, for example, as shown in FIGS. 3 and 4, a plurality of (eight in this case) reference panels 2 of a predetermined size are abutted at their respective opposite ends, and as shown in FIG. As shown in the figure, the U-shaped ends of the face plate portions (4, 6) and the frame member (10) are welded to each other to form a larger-sized honeycomb panel 12 having a larger area.

By the way, in a structure constructed using such a honeycomb panel 12 as a large plate, for example, in the case of a railway vehicle structure, the honeycomb panel 12 has a large area of 2 m × 6 m. In such a structure, an aggregate as a reinforcing material for receiving the honeycomb panel 12 needs to be appropriately disposed from the place where the honeycomb structure is used as a plate-shaped member. Thus, the honeycomb panel (12)
Is simply composed of only the reference panel 2,
Disposing such an aggregate on a panel surface composed of thin face plates makes it difficult to secure the strength and welding reliability. Even if an aggregate is provided in between, it is difficult to butt-join the ends of the honeycomb panel to the aggregate having a height equal to or higher than the panel height. Further, it is not industrially possible to braze a frame material having a height equal to or higher than the panel height, because the design of the jig is complicated.

For this reason, according to the present invention, in the honeycomb panel 12 shown in FIGS. 3 and 4, for example, as shown in FIG. 6, the face plate portions (4, 6) located at the periphery of the four sides thereof. Further, the frame member (10) is fixed by welding an edge member 14a made of an extruded aluminum material forming a rectangular box-shaped closed cross-sectional structure between the frame member (10) and the frame member (10). That is, the edge material 14a
Is welded between the U-shaped frame member 10 and the U-shaped frame member 10 in the U-shaped cross section 16 between the face plate portion (4, 6) located at the peripheral edge of the honeycomb panel 12 and the box-shaped solid portion. While forming a closed cross-sectional structure, the end of the arm portion 18 extending outward from the U-shaped cross-sectional portion 16 is welded to an adjacent member (for example, another honeycomb panel),
It is made to be connected. Therefore, in the joint structure provided with such an edge member 14a, an aggregate such as a Z-shaped member is formed in a box-shaped closed cross-sectional structure formed between the edge member 14a and the frame member 10. It can be advantageously arranged.

As shown in FIG. 7, an edge member 14b, which is higher in height than the honeycomb panel 12 and corresponds to the height of the aggregate as an adjacent member, is used for the U-shaped portion 16 thereof. By welding the end face plate portions (4, 6) of the honeycomb panel 12 and the frame member 10 to form a similar box-shaped closed cross-sectional structure, sufficient strength reliability at the joint portion can be ensured. In addition, the desired aggregate is supplied to the honeycomb panel 12.
Can be advantageously located at the end of the.

In short, as described above, aluminum
A predetermined edge member 14 a or 14 b is welded and fixed to the peripheral edge of the honeycomb panel 12, and a closed cross section is formed between the face plate portion (4, 6) located at the peripheral edge of the honeycomb panel 12 and the frame 10. If the honeycomb panel 12 is connected to an adjacent member by welding through the edge member 14a or 14b using a member having a structure formed, the edge member 14a or 14b is used.
The arranging of the reinforcing material can be advantageously performed, and the welding with the adjacent member can be performed by using the edge material 14a or 14a.
b, the honeycomb panel is not directly welded to the adjacent member, so that welding workability and strength reliability can be advantageously improved.

FIGS. 8 to 13 show an example of a railway vehicle structure which is a tubular structure to which the present invention is suitably applied. That is, in FIG. 8, a vehicle roof portion 20 and vehicle side wall portions 22 are formed by combining various brazed aluminum honeycomb panels 12 in order to configure a target railway vehicle structure. In addition, 2
Reference numeral 4 denotes a window provided at an appropriate number of locations of the honeycomb panel 12 constituting the vehicle side wall 22. Further, FIG. 9 shows a combination as shown in FIG.
An arrangement structure of an aggregate as a reinforcing member for supporting the honeycomb panel 12 is shown, in which 26 is an eave girder as a girder material, and 28 is a length corresponding to a lower underframe support. It is the base, and the eaves girder 26 and the long base 28
Also functions as a joint. Reference numeral 30 denotes a reinforcing rib provided at a connection portion between the aluminum honeycomb panels 12, and reference numeral 32 denotes an intermediate rib which is appropriately erected and arranged on each honeycomb panel 12. In addition, such eaves girder 26, long base 28, reinforcing rib 3
Both the 0 and the intermediate rib 32 are made of an extruded aluminum material.

Then, the combination of the aluminum honeycomb panels 12 as shown in FIG. 8 is supported in the aggregate arrangement form as shown in FIG.
In the vehicle structure having the structure, the honeycomb panel 1 is provided.
The joint 2 is in the form shown in FIGS. In short, FIG. 11 shows the honeycomb panel 1
FIG. 10 shows a connection structure between the two.
Is completed through the form shown in FIG. That is,
As shown in FIG. 10, the arm portion 18 of the edge member 14a provided on the peripheral portion of the aluminum honeycomb panel 12
Is abutted against an arm 18 of an edge member 14a provided on a peripheral portion of the other aluminum honeycomb panel 12 serving as an adjacent member, and is welded. Then, a box shape formed on a peripheral portion of each of the honeycomb panels 12, 12 is formed. A Z-shaped material as a reinforcing member is welded and fixed by a fillet welding method on the closed cross-sectional structure (frame member 10 + U-shaped portion 16), and the Z-shaped members 34, 34 are abutted. By welding the parts to form a strong closed cross-sectional structure, a strong reinforcing rib 30 is formed at the connection between the aluminum honeycomb panels 12 and 12. Further, the Z-shaped members 34, 34 constituting the reinforcing ribs 30 are fixed to the honeycomb panel 12 by welding, by fixing the frame member 10 and the edge member 14 formed on the peripheral portion of each honeycomb panel 12.
Since this is performed for the rectangular closed cross-sectional structure composed of the U-shaped portion 16 of FIG. In terms of properties, it is extremely excellent.

The aluminum honeycomb panel 12
When the eaves girder 26 is connected to the eaves girder 26, the eaves girder 26 is generally higher than the honeycomb panel 12, and as shown in FIG. The edge material 14b corresponding to the height of the eaves girder 26 is fixed by welding, and the edge material 1 having this height is fixed.
4b, the eaves girders 26 were welded, which enabled an effective connection of the honeycomb panel 12 to such eaves girders 26 of different heights.

Further, on the surface of the honeycomb panel 12 constituting the vehicle structure, a Z-shaped member 32 also functioning as a reinforcing member is provided as an intermediate rib so as to extend in the transverse direction of the vehicle. However, such a Z-shaped material 32
As shown in FIG. 13, a U-shaped frame member 1 formed at a connection portion between reference panels 2 constituting a honeycomb panel 12
If the fillet welding is performed on the box-shaped (rectangular) closed cross-sectional structure made of 0, and it is erected, fillet welding with good workability can be realized, and a strong sectional structure can be realized. You get.

Although the embodiments of the present invention have been described in detail above, the present invention is not construed as being limited to such specific examples, and the present invention is not limited thereto unless it departs from the gist of the present invention. Various modifications, changes, improvements, and the like can be made based on the knowledge of those skilled in the art, and any of such embodiments may be included in the scope of the present invention. It should be understood.

For example, in the present invention, the shape of the frame material (actually disclosed in Japanese Unexamined Utility Model Publication No. 1-130318) which is brazed to the peripheral portion of the reference panel forming the brazed aluminum honeycomb panel.
It goes without saying that various shapes other than the examples can be adopted for the shape of the edge material to be welded to the frame material located at the peripheral edge of the honeycomb panel.

[0022]

As is apparent from the above description, according to the joint structure of the structure using the brazed aluminum honeycomb panel according to the present invention, the honeycomb structure is firmly connected to the frame material provided on the peripheral portion of the honeycomb panel. Since such a honeycomb panel is welded to and connected to an adjacent member via an edge member forming a simple closed-section structure, welding workability and strength reliability can be advantageously improved, and such a honeycomb panel can be improved. Utilizing the rim material, the arrangement of the reinforcing member can be advantageously performed, and the adjacent member having a height higher than the honeycomb panel can be advantageously connected.

[Brief description of the drawings]

FIG. 1 is an exploded view showing an example of a reference panel that provides a brazed aluminum honeycomb panel according to the present invention.

FIG. 2 is an explanatory sectional view of the reference panel shown in FIG. 1;

FIG. 3 is a plan view showing an example of a brazed aluminum honeycomb panel used in the present invention.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is an enlarged explanatory view taken along a line VV in FIG. 3;

FIG. 6 is an enlarged explanatory view taken along the line VI-VI in FIG. 3;

7 is an enlarged cross-sectional explanatory view corresponding to FIG. 6, in which edge members having different shapes are fixed by welding.

FIG. 8 is an explanatory view showing a combination form of a brazed aluminum honeycomb panel in a railway vehicle structure to which the present invention is applied.

FIG. 9 is an explanatory view showing an arrangement of aggregates supporting brazed aluminum honeycomb panels constituting the railway vehicle structure shown in FIG. 8;

FIG. 10 is a cross-sectional explanatory view showing a state in which the edge members at the ends of the respective honeycomb panels are welded to each other when connecting the brazed aluminum honeycomb panels in FIG.

FIG. 11 shows a structure of a connection portion between brazed aluminum honeycomb panels, and shows the structure of XI-XI in FIG. 8;
It is a figure corresponding to a cross section.

12 is a view showing a structure of a connecting portion between a brazed aluminum honeycomb panel and an eaves girder constituting a vehicle roof portion in FIG. 8, and is a view corresponding to a section taken along line XII-XII in FIG.

FIG. 13 illustrates an arrangement of the intermediate ribs shown in FIG. 9 on the surface of a brazed aluminum honeycomb panel.
FIG. 10 is a view corresponding to a section taken along line XIII-XIII in FIG. 8.

[Explanation of symbols]

 2 Reference panel 4, 6 face plate 8 Honeycomb core 10 Frame material 12 Brazed aluminum honeycomb panel 14a, 14b Edge material 16 U-shaped cross-section 18 Arm 20 Vehicle roof 22 Vehicle side wall 24 Window 26 eaves 28 Long Base 30 Reinforcement rib 32 Intermediate rib 34 Z-shaped material

──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor, Takeshi, Tsuchiura 502, Tsuchiura-shi, Ibaraki Pref. Machinery Research Laboratory, Hitachi, Ltd. No. Sumitomo Light Metal Industry Co., Ltd.Technical Research Institute (72) Inventor Hiroshi Irie 3-1-1-12 Minato-ku, Minato-ku, Nagoya-shi, Aichi Sumitomo Light Metal Industry Co., Ltd.Technical Research Laboratory (56) References (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) B61D 17/00 B61D 17/04

Claims (2)

(57) [Claims] 1. A The rewritable sandwiching an aluminum honeycomb core to two aluminum surface plates, said Arumini
Aluminum frame material is placed around the periphery of the aluminum honeycomb core
And the aluminum frame material is the two aluminum sheets
So that they are placed between the face plates,
Aluminum faceplate, aluminum honeycomb core and Al
Constituting the reference panel formed by brazing together a Miniumu frame member
And, further in the plurality of junction and joint structure of the structure using the configured <br/> aluminum honeycomb panels of the reference panel, the aluminum frame member has no U-shaped cross section,
And the above-mentioned in the U-shaped cross section of the aluminum frame material
A pair of joint ends that contact each aluminum face plate
It is projected outward on the outer periphery of the panel.
On the other hand, the reference panel constituting the aluminum honeycomb panel
Of a pair of contacts formed on the outer peripheral portion of the
An edge having a weld joint to the adjacent member relative to the mating end
The material is fixed by welding and the edge material is melted.
Contact fixing is at a pair of joint ends of the reference panel,
Aluminum face plate and
Attach the joint of the rim material to each end face of the luminium frame material.
A joint structure of a structure using a brazed aluminum honeycomb panel, which is performed by joining by joining welding . 2. The joint structure for a structure using a brazed aluminum honeycomb panel according to claim 1, wherein the edge member has a shape that forms a closed cross-sectional structure when joined to the aluminum frame member. A joint structure for a structure using a brazed aluminum honeycomb panel.