Connecting structure of composite material double-sandwich board and framework

Abstract

The utility model discloses a composite material double-sandwich plate and framework connecting structure which comprises a first double-sandwich plate, a second double-sandwich plate, a metal framework beam, a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate. The first connecting plate comprises a linear connecting plate body and a support plate; the support plate extends into the first double-sandwich plate; one end of the connecting plate body is fixedly connected with the first double-sandwich plate, and the other end is fixedly connected with the metal framework beam; one end of the second connecting plate is fixedly connected with the first double-sandwich plate, and the other end of the second connecting plate is fixedly connected with the metal framework beam; the third connecting plate is L-shaped, one side edge of the third connecting plate is fixedly connected with the first connecting plate, and the other side edge of the third connecting plate is fixedly connected with the second double-sandwich plate; the fourth connecting plate is L-shaped, one side edge of the fourth connecting plate is fixedly connected with the second double-sandwich plate, and the other side edge of the fourth connecting plate is fixedly connected with the metal framework beam. And the first double-sandwich plate and the second double-sandwich plate are firmly connected with the metal framework beam through the plurality of connecting plates.

Description

Technical Field

[0001] The utility model relates to a composite material double sandwich panel and a frame connection structure, which belongs to a composite material double sandwich panel Background Art

[0002] Live fish transportation has always been one of the problems in the aquaculture industry, because live fish often die during transportation, causing economic losses. In the aquatic transport box used in the live fish transportation process, foam sandwich panels are the most suitable form considering weight and heat preservation. Double sandwich panels have good heat preservation effect and maintain sufficient in-plane stiffness. Connecting double sandwich panels with skeleton beams becomes a problem to be solved. Utility Model Content

[0003] The utility model aims to provide a composite material double sandwich panel and frame connection structure, which can be used to connect the double sandwich panel and the frame in a fixed manner.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows:

[0005] The utility model relates to a composite material double sandwich panel and frame connection structure, comprising a first double sandwich panel, a second double sandwich panel, a hollow metal frame beam, a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate;

[0006] The first connecting plate includes a straight-line connecting plate body and a support plate perpendicular to the connecting plate body; the support plate extends to the interior of the first double sandwich panel; one end of the connecting plate body is fixedly connected to the first double sandwich panel, and the other end is fixedly connected to the metal frame beam;

[0007] The second connecting plate is in a straight line shape, with one end fixedly connected to the first double sandwich panel and the other end fixedly connected to the metal frame beam; the third connecting plate is in an L shape, with one side fixedly connected to the first connecting plate and the other side fixedly connected to the second double sandwich panel; the fourth connecting plate is in an L shape, with one side fixedly connected to the second double sandwich panel and the other side fixedly connected to the metal frame beam.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the second connecting plate is fixedly connected to the metal skeleton beam by welding, and the fourth connecting plate is fixedly connected to the metal skeleton beam by welding.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: a glass fiber reinforced plastic gasket is arranged in the area formed by the second double sandwich panel, the fourth connecting plate, the metal skeleton beam and the first connecting plate.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: the connection positions of the first connecting plate, the third connecting plate and the first double sandwich panel are provided with countersunk stainless steel pull-out nails or countersunk high locking bolts; the connection positions of the second connecting plate and the first double sandwich panel are provided with countersunk stainless steel pull-out nails or countersunk high locking bolts; the connection positions of the third connecting plate, the fourth connecting plate and the second double sandwich panel are all provided with countersunk stainless steel pull-out nails or countersunk high locking bolts.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: the first double sandwich panel includes a first composite layer, a first foam layer, a second composite layer, a second foam layer and a third composite layer; a first end panel is arranged at the end of the composite material double sandwich panel; a reinforcing angle material is fixedly arranged at the angle formed by the first end panel and the first composite layer.

[0012] On the basis of the above scheme and as a preferred scheme of the above scheme: the second double sandwich panel includes a fourth composite layer, a third foamed layer, a fifth composite layer, a fourth foamed layer and a sixth composite layer; a second end panel is arranged at the end of the composite material double sandwich panel; a reinforcing angle bar is fixedly arranged at the angle formed by the second end panel and the fourth composite layer, and an L-shaped reinforcing angle bar is fixedly arranged at the angle formed by the second end panel and the sixth composite layer.

[0013] On the basis of the above scheme and as a preferred scheme of the above scheme: the two reinforcing angle bars in the third foaming layer are arranged back to back; the two reinforcing angle bars in the fourth foaming layer are arranged back to back.

[0014] On the basis of the above scheme and as a preferred scheme of the above scheme: one side edge of the two reinforcing angle bars in the third foaming layer is connected to the fourth composite layer board, and the end of the other side edge is in contact with the fifth composite layer board; one side edge of the two reinforcing angle bars in the fourth foaming layer is connected to the sixth composite layer board, and the end of the other side edge is in contact with the fifth composite layer board.

[0015] On the basis of the above solution and as a preferred solution of the above solution: the hollow part of the metal skeleton beam is filled with foaming material.

[0016] The beneficial effect of the utility model is that the composite material double sandwich panel and frame connection structure involved in the utility model firmly connects the first double sandwich panel, the second double sandwich panel and the metal frame beam through a plurality of connection plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the connection structure between the composite material and the frame involved in the first embodiment;

[0018] Figure 2 yes Figure 1 Exploded diagram of

[0019] Figure 3 is a schematic structural diagram of a first connecting plate;

[0020] Figure 4 is a schematic structural diagram of the first double sandwich panel involved in the first embodiment;

[0021] Figure 5 is a schematic structural diagram of the second double sandwich panel involved in the first embodiment;

[0022] Figure 6 It is a schematic structural diagram of the second double sandwich panel involved in the second embodiment.

[0023] The markings in the figure are as follows: 1-first double sandwich panel; 2-second double sandwich panel; 3-metal skeleton beam; 4-first connecting plate; 5-second connecting plate; 6-third connecting plate; 7-fourth connecting plate; 8-foaming material; 9-glass fiber reinforced plastic gasket; 11-first composite layer; 12-first foaming layer; 13-second composite layer; 14-second foaming layer; 15-third composite layer; 16-first end panel; 17-reinforced angle plate; 21-fourth composite layer; 22-third foaming layer; 23-fifth composite layer; 24-fourth foaming layer; 25-sixth composite layer; 26-second end panel. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] Embodiment 1

[0026] Combination Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , this embodiment is described in detail. A composite material double sandwich panel and frame connection structure involved in this embodiment includes a first double sandwich panel 1, a second double sandwich panel 2, a metal frame beam 3, a first connecting plate 4, a second connecting plate 5, a third connecting plate 6 and a fourth connecting plate 7. The cross section of the metal frame beam 3 is a hollow short shape with rounded corners, and the four corners are rounded. The first connecting plate 4, the second connecting plate 5, the third connecting plate 6 and the fourth connecting plate 7 are all made of metal, stainless steel or aluminum alloy, and in this embodiment, aluminum alloy is selected.

[0027] The first connecting plate 4 includes a connecting plate body 41 in a straight line shape, and a support plate 42 perpendicular to the connecting plate body 41; that is, the first connecting plate 5 is in a T-shape. The support plate 42 extends to the inside of the first double sandwich panel 1; one end of the connecting plate body 41 is fixedly connected to the first double sandwich panel 1, and the other end is fixedly connected to the metal frame beam 3.

[0028] The second connecting plate 5 is in a straight line shape, with one end fixedly connected to the first double sandwich panel 1 and the other end fixedly connected to the metal frame beam 3; the third connecting plate 6 is in an L shape, with one side fixedly connected to the first connecting plate 4 and the other side fixedly connected to the second double sandwich panel 2; the fourth connecting plate 7 is in an L shape, with one side fixedly connected to the second double sandwich panel 2 and the other side fixedly connected to the metal frame beam 3.

[0029] Furthermore, the second connecting plate 5 is fixedly connected to the metal frame beam 3 by welding, and the fourth connecting plate 7 is fixedly connected to the metal frame beam 3 by welding.

[0030] Furthermore, in practice, the end of the first connecting plate 4 connected to the metal frame beam 3 does not contact the end of the fourth connecting plate 7, so that a cavity area is formed between the second double sandwich panel 1, the fourth connecting plate 7, the metal frame beam 3, and the first connecting plate 4, and a fiberglass gasket 9 is arranged in this area to fill the cavity area.

[0031] Furthermore, the first double sandwich panel 1 includes a first composite layer 11, a first foamed layer 12, a second composite layer 13, a second foamed layer 14 and a third composite layer 15; a first end panel 16 is provided at the end of the composite double sandwich panel; a reinforcing angle material 17 is fixedly provided at the angle formed by the first end panel 16 and the first composite layer 11.

[0032] Furthermore, the second double sandwich panel 2 comprises a fourth composite layer 21, a third foaming layer 22, a fifth composite layer 23, a fourth foaming layer 24 and a sixth composite layer 25; a second end panel 26 is provided at the end of the composite double sandwich panel; a reinforcing angle bar 17 is fixedly provided at the angle formed by the second end panel 26 and the fourth composite layer 21, and an L-shaped reinforcing angle bar 17 is fixedly provided at the angle formed by the second end panel 26 and the sixth composite layer 25. The two reinforcing angle bars 17 in the third foaming layer 22 are arranged in opposite directions; the two reinforcing angle bars 17 in the fourth foaming layer 24 are arranged in opposite directions.

[0033] Furthermore, one side edge of the two reinforcing angle bars 17 in the third foaming layer 22 is connected to the fourth composite layer 21, and the end of the other side edge is in contact with the fifth composite layer 23; one side edge of the two reinforcing angle bars 17 in the fourth foaming layer 24 is connected to the sixth composite layer 25, and the end of the other side edge is in contact with the fifth composite layer 23.

[0034] One end of the first connecting plate 4 is fixedly connected to the third composite layer plate 15 in the first double sandwich panel 1, specifically by gluing with structural adhesive, and the other end of the first connecting plate 4 can also be connected with structural adhesive.

[0035] The second connecting plate 5 is fixedly connected to the first composite layer 11 in the first double sandwich panel 1, and can be first bonded by structural adhesive. And according to actual conditions, a countersunk stainless steel nail or a countersunk high locking bolt can be provided at the connection position between the second connecting plate 5 and the first double sandwich panel 1. In this embodiment, a 5mm countersunk stainless steel nail is selected.

[0036] The third connecting plate 6 can be fixedly connected to the fourth composite layer 21 of the second double sandwich panel 2 by structural adhesive, and the fourth connecting plate 7 can be fixedly connected to the sixth composite layer 25 of the second double sandwich panel 2 by structural adhesive. Similarly, according to actual conditions, the connection positions of the third connecting plate 6, the fourth connecting plate 7 and the second double sandwich panel 2 are both provided with countersunk stainless steel screws or countersunk high locking bolts. In this embodiment, 5 mm countersunk stainless steel screws can be selected.

[0037] And the other side of the third connecting plate 6 is fixedly connected to the first connecting plate 4, which can be done by welding. It can also be provided with countersunk stainless steel pull-out nails or countersunk high locking bolts at the connection positions of the first connecting plate 4, the third connecting plate 6 and the first double sandwich panel 1 according to actual needs; in this embodiment, 5mm countersunk stainless steel pull-out nails can be selected.

[0038] Furthermore, the hollow part of the metal skeleton beam is filled with a foam material 8. The foam material used is a polyurethane foam material.

[0039] Furthermore, the first foaming layer 12, the fourth foaming layer 14, the third foaming layer 22 and the fourth foaming layer 24 are made of PVC foaming material, polyurethane foaming material, EPP foaming material, EPS foaming material or polystyrene foaming material. In this embodiment, PVC foaming material is selected.

[0040] Furthermore, the first composite plate 11, the second composite plate 13, the third composite plate 15, the fourth composite plate 21, the fifth composite plate 23 and the sixth composite plate 25 are glass fiber reinforced composite materials or carbon fiber reinforced composite materials. In this embodiment, carbon fiber reinforced composite materials are selected.

[0041] Embodiment 2

[0042] Combination Figure 6, this embodiment is described in detail. The composite material double sandwich panel and frame connection structure involved in this embodiment is different from the first embodiment in that: the structure of the second double sandwich panel 2 is changed, and two reinforcing angle bars 17 are arranged inside the third foaming layer 22; and two reinforcing angle bars 17 are arranged inside the fourth foaming layer 24. The reinforcing angle bars 7 on the same side of the third foaming layer 22 and the fourth foaming layer 24 are located at the same position.

[0043] Furthermore, the two reinforcing angle bars 17 in the third foaming layer 222 are arranged in opposite directions; the two reinforcing angle bars 17 in the fourth foaming layer 24 are arranged in opposite directions. One side of the two reinforcing angle bars 17 in the third foaming layer 22 is connected to the fourth composite layer 21, and the end of the other side is in contact with the fifth composite layer 23; one side of the two reinforcing angle bars 17 in the fourth foaming layer 24 is connected to the sixth composite layer 25, and the end of the other side is in contact with the fifth composite layer 23.

[0044] That is, the four reinforcing angle bars 17 in the third foaming layer 22 and the fourth foaming layer 24 form an I-shaped structure as a whole, which can increase the strength of the double sandwich panel and can be connected to other double sandwich panels through the four reinforcing angle bars 17.

[0045] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A composite material double sandwich panel and frame connection structure, characterized in that: It comprises a first double sandwich panel (1), a second double sandwich panel (2), a hollow metal skeleton beam (3), a first connecting panel (4), a second connecting panel (5), a third connecting panel (6) and a fourth connecting panel (7); The first connecting plate (4) comprises a straight-line connecting plate body (41) and a support plate (42) perpendicular to the connecting plate body (41); the support plate (42) extends into the interior of the first double sandwich panel (1); one end of the connecting plate body (41) is fixedly connected to the first double sandwich panel (1), and the other end is fixedly connected to the metal frame beam (3); The second connecting plate (5) is in a straight line shape, with one end fixedly connected to the first double sandwich panel (1) and the other end fixedly connected to the metal frame beam (3); the third connecting plate (6) is in an L shape, with one side fixedly connected to the first connecting plate (4) and the other side fixedly connected to the second double sandwich panel (2); the fourth connecting plate (7) is in an L shape, with one side fixedly connected to the second double sandwich panel (2) and the other side fixedly connected to the metal frame beam (3).

2. A composite material double sandwich panel and frame connection structure according to claim 1, characterized in that: The second connecting plate (5) is fixedly connected to the metal frame beam (3) by welding, and the fourth connecting plate (7) is fixedly connected to the metal frame beam (3) by welding.

3. A composite material double sandwich panel and frame connection structure according to claim 1, characterized in that: A glass fiber reinforced plastic gasket (9) is provided in the area formed by the second double sandwich panel (1), the fourth connecting plate (7), the metal skeleton beam (3) and the first connecting plate (4).

4. A composite material double sandwich panel and frame connection structure according to claim 1, characterized in that: The connection positions of the first connecting plate (4), the third connecting plate (6) and the first double sandwich panel (1) are provided with countersunk stainless steel pull-out nails or countersunk high locking bolts; the connection positions of the second connecting plate (5) and the first double sandwich panel (1) are provided with countersunk stainless steel pull-out nails or countersunk high locking bolts; the connection positions of the third connecting plate (6), the fourth connecting plate (7) and the second double sandwich panel (2) are all provided with countersunk stainless steel pull-out nails or countersunk high locking bolts.

5. The composite material double sandwich panel and frame connection structure according to claim 1, characterized in that: The first double sandwich panel (1) comprises a first composite layer (11), a first foaming layer (12), a second composite layer (13), a second foaming layer (14) and a third composite layer (15); a first end panel (16) is arranged at the end of the composite double sandwich panel; a reinforcing angle material (17) is fixedly arranged at the angle formed by the first end panel (16) and the first composite layer (11).

6. A composite material double sandwich panel and frame connection structure according to claim 1, characterized in that: The second double sandwich panel (2) comprises a fourth composite layer (21), a third foaming layer (22), a fifth composite layer (23), a fourth foaming layer (24) and a sixth composite layer (25); a second end panel (26) is arranged at the end of the composite double sandwich panel; a reinforcing angle bar (17) is fixedly arranged at the angle formed by the second end panel (26) and the fourth composite layer (21), and an L-shaped reinforcing angle bar (17) is fixedly arranged at the angle formed by the second end panel (26) and the sixth composite layer (25).

7. A composite material double sandwich panel and frame connection structure according to claim 6, characterized in that: The two reinforcing angle bars (17) in the third foaming layer (22) are arranged opposite to each other; and the two reinforcing angle bars (17) in the fourth foaming layer (24) are arranged opposite to each other.

8. A composite material double sandwich panel and frame connection structure according to claim 7, characterized in that: One side edge of the two reinforcing angle bars (17) in the third foaming layer (22) is connected to the fourth composite layer (21), and the end of the other side edge is in contact with the fifth composite layer (23); one side edge of the two reinforcing angle bars (17) in the fourth foaming layer (24) is connected to the sixth composite layer (25), and the end of the other side edge is in contact with the fifth composite layer (23).

9. The composite material double sandwich panel and frame connection structure according to claim 1, characterized in that: The hollow part of the metal skeleton beam is filled with foam material.

Images