CN215154610U - Rivet connection structure of composite board framework and framework with same - Google Patents
Rivet connection structure of composite board framework and framework with same Download PDFInfo
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- CN215154610U CN215154610U CN202121595133.XU CN202121595133U CN215154610U CN 215154610 U CN215154610 U CN 215154610U CN 202121595133 U CN202121595133 U CN 202121595133U CN 215154610 U CN215154610 U CN 215154610U
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- cross beam
- rivet
- longitudinal beam
- connecting plate
- framework
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Abstract
The utility model discloses a composite sheet skeleton rivet connection structure and have this connection structure's skeleton. The pulling rivet connecting structure of the aluminum honeycomb composite plate framework is used for connecting a cross beam and a longitudinal beam of the framework, and is provided with an L-shaped connecting plate and a rivet, wherein the L-shaped connecting plate is located at the joint of the cross beam and the longitudinal beam, a first rivet hole is formed in the vertical plate of the L-shaped connecting plate, a second rivet hole is formed in the horizontal plate of the L-shaped connecting plate, a third rivet hole corresponding to the first rivet hole is formed in the longitudinal beam, a fourth rivet hole corresponding to the second rivet hole is formed in the cross beam, and the rivet penetrates through the corresponding rivet holes to fix the L-shaped connecting plate, the cross beam and the longitudinal beam together. The utility model has reasonable design, simple operation, convenient processing and no need of subsequent shaping, thereby saving labor; the connecting part of the cross beam and the longitudinal beam adopts a rivet structure, so that welding defects can not be generated, and stress concentration is avoided; and in the assembling process, the flatness of the pull-riveted framework is ensured by adopting a tool.
Description
Technical Field
The utility model belongs to the technical field of the aluminum alloy skeleton technique and specifically relates to a composite sheet skeleton rivet connection structure and have this connection structure's skeleton.
Background
The aluminum honeycomb composite board in the general rail transit vehicle is formed by compounding an upper aluminum plate and a lower aluminum plate with an aluminum honeycomb core and an aluminum alloy framework through an adhesive or an adhesive film, wherein the aluminum alloy framework in the aluminum honeycomb composite board is used for enhancing the strength of the aluminum honeycomb composite board. The common aluminum alloy framework fixes the longitudinal beam and the cross beam in the framework through angle welding, the welding can generate heat, the welding part is locally high in temperature, the aluminum alloy welding part is easy to deform, the whole framework is properly shaped, and the aluminum alloy framework has the following defects:
(1) polishing the welding line to be smooth after welding;
(2) the stress concentration after welding is large, the welding residual stress is large, the possibility of generating welding defects exists, the joint performance is not uniform, the crack resistance is poor and the like;
(3) and the residual stress after welding can also change the size and the shape of the component, the framework needs to be shaped, the time and the labor are wasted, and the more the welding positions are, the more the framework is deformed for the framework with a complex structure.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcomes the defects in the prior art, and provides a rivet connection structure of an aluminum honeycomb composite board, which has no stress concentration and no deformation.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a rivet connection structure that draws of aluminium honeycomb composite sheet skeleton, a be used for the connection of the crossbeam and the longeron of skeleton, L type connecting plate and rivet have, L type connecting plate is located crossbeam and longeron junction, first rivet hole has been seted up on the vertical board of L type connecting plate, second rivet hole has been seted up on the horizontal board of L type connecting plate, set up the third rivet hole corresponding with first rivet hole on the longeron, set up the fourth rivet hole corresponding with second rivet hole on the crossbeam, the rivet passes L type connecting plate behind the rivet hole that corresponds, crossbeam and longeron are together fixed.
Furthermore, the cross beam and the longitudinal beam are spliced obliquely, and an L-shaped connecting plate is arranged at one corner of the cross beam and the longitudinal beam through a rivet.
Furthermore, the cross beam and the longitudinal beam are spliced in a T shape, and two corners of the cross beam and the longitudinal beam are respectively provided with an L-shaped connecting plate through rivets.
The connecting structure is adopted at the joint of the cross beam and the longitudinal beam of the framework;
the framework comprises an upper cross beam, a lower cross beam, a left longitudinal beam and a right longitudinal beam which are connected end to form a framework body, a first cross beam and a second cross beam are arranged between the upper cross beam and the lower cross beam in parallel, the first cross beam is located above the second cross beam, the first longitudinal beam is connected between the upper cross beam and the first cross beam, the second longitudinal beam is connected between the first cross beam and the second cross beam, a third longitudinal beam is connected between the second cross beam and the lower cross beam, and the third cross beam is connected between the left longitudinal beam and the second longitudinal beam.
Furthermore, a cross beam and a longitudinal beam in the framework are spliced obliquely, and an L-shaped connecting plate is arranged at one corner of the cross beam and the longitudinal beam through a rivet;
the cross beam and the longitudinal beam are spliced in a T shape, and two corners of the cross beam and the longitudinal beam are respectively provided with an L-shaped connecting plate through rivets.
The utility model has the advantages that: the utility model discloses simple structure has following advantage:
(1) the design is reasonable, the operation is simple and convenient, the processing is convenient, the subsequent shaping is not needed, and the labor is saved;
(2) the connecting part of the cross beam and the longitudinal beam adopts a rivet structure, so that welding defects can not be generated, and stress concentration is avoided;
(3) and in the assembling process, the flatness of the pull-riveted framework is ensured by adopting a tool.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of the middle cross beam and the longitudinal beam of the present invention, which are obliquely spliced;
FIG. 2 is a schematic structural view of the T-shaped split joint of the middle cross beam and the longitudinal beam of the present invention;
FIG. 3 is a schematic structural view of a skeleton;
FIG. 4 is a schematic view of a tool structure for assembling a frame;
fig. 5 is a partially enlarged view of a portion a in fig. 4.
In the figure: the quick clamping device comprises an L-shaped connecting plate, 2 rivets, 3 upper cross beams, 4 lower cross beams, 5 left longitudinal beams, 6 right longitudinal beams, 7 first cross beams, 8 second cross beams, 9 first longitudinal beams, 10 third cross beams, 11 second longitudinal beams, 12 third longitudinal beams, 13 operating tables, 14 tooling bases, 15 angle supporting blocks, 16 supporting blocks, 17 positioning pins and 18 quick clamping assemblies.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
A rivet connection structure of aluminium honeycomb composite board skeleton as shown in fig. 1-2 for the connection of the crossbeam and the longeron of skeleton, L type connecting plate 1 and rivet 2 have, L type connecting plate 1 is located crossbeam and longeron junction, first rivet hole has been seted up on the 1 vertical board of L type connecting plate, the second rivet hole has been seted up on the 1 horizontal plate of L type connecting plate, set up the third rivet hole corresponding with first rivet hole on the longeron, set up the fourth rivet hole corresponding with second rivet hole on the crossbeam, rivet 2 passes L type connecting plate 1 behind the rivet hole that corresponds, crossbeam and longeron are together fixed.
The cross beam and the longitudinal beam are spliced obliquely, and an L-shaped connecting plate 1 is arranged at one corner of the cross beam and the longitudinal beam through a rivet 2.
The crossbeam and longeron are T type concatenation, and two corners of crossbeam and longeron are installed an L type connecting plate 1 respectively through rivet 2.
As shown in fig. 3, the framework with the above connection structure comprises an upper cross beam 3, a lower cross beam 4, a left longitudinal beam 5 and a right longitudinal beam 6 which are connected end to form a framework, a first cross beam 7 and a second cross beam 8 are arranged between the upper cross beam 3 and the lower cross beam 4 in parallel, the first cross beam 7 is positioned above the second cross beam 8, a first longitudinal beam 9 is connected between the upper cross beam 3 and the first cross beam 7, a second longitudinal beam 11 is connected between the first cross beam 7 and the second cross beam 8, a third longitudinal beam 12 is connected between the second cross beam 8 and the lower cross beam 4, and a third cross beam 10 is connected between the left longitudinal beam 5 and the second longitudinal beam 11. The connecting structure is adopted at the connecting position of the cross beam and the longitudinal beam of the framework.
As shown in fig. 4 and 5, the installation tool includes an operation table 13, a tool base 14 is arranged on the operation table 13, an angle support block 15 and a support block 16 are arranged on the tool base 14, the angle support block 15 is located at four corners of the tool base 14, the support block 16 is located in the length direction and the width direction of the tool base 14, and a positioning pin 17 and a quick clamping assembly 18 are arranged on the support block 16. During installation, the cross beam and the longitudinal beam to be assembled are placed on the corner supporting blocks 15 and the supporting blocks 16, the positioning pins 17 play a role of backing up a mountain, the quick clamping assemblies 18 press the cross beam and the longitudinal beam, and then the L-shaped connecting plate 1, the cross beam and the longitudinal beam are fixed together through the rivets 2.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (5)
1. The utility model provides a composite sheet skeleton's rivet connection structure for the connection of the crossbeam and the longeron of skeleton, its characterized in that: l type connecting plate (1) and rivet (2) have, L type connecting plate (1) are located crossbeam and longeron junction, first rivet hole has been seted up on the vertical board of L type connecting plate (1), the second rivet hole has been seted up on L type connecting plate (1) horizontal plate, set up the third rivet hole corresponding with first rivet hole on the longeron, set up the fourth rivet hole corresponding with second rivet hole on the crossbeam, rivet (2) pass behind the rivet hole that corresponds with L type connecting plate (1), crossbeam and longeron are together fixed.
2. The pulling rivet connecting structure of the composite plate framework according to claim 1, characterized in that: the cross beam and the longitudinal beam are spliced obliquely, and an L-shaped connecting plate (1) is installed at one corner of the cross beam and one corner of the longitudinal beam through a rivet (2).
3. The pulling rivet connecting structure of the composite plate framework according to claim 1, characterized in that: the cross beam and the longitudinal beam are spliced in a T shape, and two corners of the cross beam and the longitudinal beam are respectively provided with an L-shaped connecting plate (1) through rivets (2).
4. A skeleton having a connecting structure according to any one of claims 1 to 3, wherein: the connecting structure of any one of claims 1 to 3 is adopted at the connecting part of the cross beam and the longitudinal beam of the framework;
the framework comprises an upper cross beam (3), a lower cross beam (4), a left longitudinal beam (5) and a right longitudinal beam (6) which are connected end to form a framework body, a first cross beam (7) and a second cross beam (8) are arranged between the upper cross beam (3) and the lower cross beam (4) in parallel, the first cross beam (7) is located above the second cross beam (8), a first longitudinal beam (9) is connected between the upper cross beam (3) and the first cross beam (7), a second longitudinal beam (11) is connected between the first cross beam (7) and the second cross beam (8), a third longitudinal beam (12) is connected between the second cross beam (8) and the lower cross beam (4), and a third cross beam (10) is connected between the left longitudinal beam (5) and the second longitudinal beam (11).
5. The armature of claim 4, wherein: the transverse beam and the longitudinal beam in the framework are spliced obliquely, and an L-shaped connecting plate (1) is arranged at one corner of the transverse beam and the longitudinal beam through a rivet (2);
the cross beam and the longitudinal beam are spliced in a T shape, and two corners of the cross beam and the longitudinal beam are respectively provided with an L-shaped connecting plate (1) through rivets (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121595133.XU CN215154610U (en) | 2021-07-14 | 2021-07-14 | Rivet connection structure of composite board framework and framework with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121595133.XU CN215154610U (en) | 2021-07-14 | 2021-07-14 | Rivet connection structure of composite board framework and framework with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215154610U true CN215154610U (en) | 2021-12-14 |
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ID=79394554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121595133.XU Active CN215154610U (en) | 2021-07-14 | 2021-07-14 | Rivet connection structure of composite board framework and framework with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215154610U (en) |
-
2021
- 2021-07-14 CN CN202121595133.XU patent/CN215154610U/en active Active
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