Brazing aluminum alloy honeycomb plate for combined type multi-layer high-speed rail corridor chassis

Abstract

The utility model relates to the technical field of aluminum alloy honeycomb plates, and provides a combined type multi-layer brazing aluminum alloy honeycomb plate for a high-speed rail corridor chassis. The reinforcing structure is arranged, the insulating layer is arranged, the insulating layer is actually made of polyvinyl chloride materials, the first honeycomb cores and the second honeycomb cores can be protected against heat, moisture and abrasion, good insulating performance is achieved, the use strength of the honeycomb plate is improved by arranging the two sets of first honeycomb cores and the two sets of second honeycomb cores, and the service life of the honeycomb plate is prolonged. Honeycomb bodies in the first honeycomb core and the second honeycomb core are formed by connecting multiple sets of hollow hexagonal structures, the multiple honeycomb bodies can communicate with one another for ventilation, and therefore the brazing process quality is improved, the fireproof layer is arranged, the fireproof layer is actually a magnesium oxychloride fireproof plate, the fireproof performance of the interior is improved, and the damp-proof layer is arranged, so that the fireproof performance of the interior is improved. The damp-proof layer is actually made of epoxy resin coating, corrosion of the cellular board is prevented, the damp-proof performance is improved, and the overall service life can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy honeycomb panels, in particular to a brazed aluminum alloy honeycomb panel for a combined multi-layer high-speed railway corridor chassis. Background Art

[0002] Aluminum alloy honeycomb panel is a new type of composite material with sandwich structure. It is composed of two layers of aluminum alloy panels and aluminum honeycomb core through adhesive or film. A brazed aluminum alloy honeycomb panel for combined multi-layer high-speed rail corridor chassis is a lightweight and high-strength composite material made by brazing technology. This material is composed of two layers of aluminum alloy panels and aluminum honeycomb core. The aluminum honeycomb core is a regular hexagonal porous structure formed by corrugation method, which has the characteristics of fire resistance, light weight and high strength.

[0003] To this end, the patent with publication number CN107962825U discloses an aluminum alloy honeycomb panel, the alloy honeycomb panel comprises: a first aluminum alloy layer, a first bonding layer, a first honeycomb core layer, a second bonding layer, and a second aluminum alloy layer stacked in sequence; wherein the first aluminum alloy layer and the second aluminum alloy layer are one of aluminum-copper alloy, aluminum-silicon alloy, and aluminum-zinc alloy. By the above method, the present invention can make the aluminum alloy honeycomb panel have high strength and low weight;

[0004] The aluminum alloy honeycomb panel mentioned above has low strength of single-layer honeycomb panel and poor surface protection performance during use, and cannot adapt to different use intensity and environment. Moreover, the welding parts are easy to break and crack when being squeezed or twisted by gravity during use. Utility Model Content

[0005] The utility model aims to provide a brazed aluminum alloy honeycomb panel for a combined multi-layer high-speed railway corridor chassis, so as to solve the defects of the existing aluminum alloy honeycomb panel, that is, the panel has low strength and is not easy to protect.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a brazed aluminum alloy honeycomb panel for a combined multi-layer high-speed railway corridor chassis, comprising a first aluminum alloy honeycomb panel and a second aluminum alloy honeycomb panel;

[0007] A protective plate is provided on one side of the first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel;

[0008] The first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel are both provided with a reinforcement structure inside, the reinforcement structure comprising a panel, an insulating layer, a first aluminum plate, a first honeycomb core, a fireproof layer, a second honeycomb core, a second aluminum plate, a moisture-proof layer and a back plate, the panel is arranged inside the first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel, one side of the panel is provided with an insulation layer, one side of the insulation layer is provided with a first aluminum plate, one side of the first aluminum plate is provided with a first honeycomb core, one side of the first honeycomb core is provided with a fireproof layer, one side of the fireproof layer is provided with a second honeycomb core, one side of the second honeycomb core is provided with a second aluminum plate, one side of the second aluminum plate is provided with a moisture-proof layer, and one side of the moisture-proof layer is provided with a back plate;

[0009] The other sides of the first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel are both provided with side panels, and the top ends of the first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel are both provided with connection structures.

[0010] Preferably, the panel and the back panel are symmetrically distributed inside the first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel, the insulating layer is actually made of polyvinyl chloride material, the first aluminum plate and the second aluminum plate are symmetrically distributed on one side of the first honeycomb core and the second honeycomb core, and the fireproof layer is actually a magnesium oxychloride fireproof board.

[0011] Preferably, the first honeycomb core and the second honeycomb core are symmetrically distributed on both sides of the fireproof layer, and the moisture-proof layer is actually epoxy resin coating.

[0012] Preferably, two groups of side panels are provided, and the side panels are symmetrically distributed on one side of the first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel, and arc grooves are provided on one side of both ends of the side panels.

[0013] Preferably, the connecting structure includes a first connecting plate, a first positioning sleeve, a second connecting plate, a second positioning sleeve, a fixing bolt, a pin, a fixing nut, an intermediate connecting sleeve and a buffer spring. The first connecting plate is arranged at the top end of the first aluminum alloy honeycomb panel, a first positioning sleeve is arranged at the middle position of one side of the first connecting plate, a second connecting plate is arranged on one side of the first connecting plate, and second positioning sleeves are arranged at both ends of the first positioning sleeve on one side of the second connecting plate. Fixing bolts are arranged inside the first connecting plate and the second connecting plate, pins are arranged inside the first positioning sleeve and the second positioning sleeve, a fixing nut is arranged on the outer side of one end of the pin, an intermediate connecting sleeve is arranged at the middle position inside the first positioning sleeve, and buffer springs are arranged on the outer sides of the pins at both ends of the intermediate connecting sleeve.

[0014] Preferably, four groups of fixing bolts are provided, and the fixing bolts are symmetrically distributed inside the first connecting plate and the first positioning sleeve, and the outer side of the pin shaft is provided with an external thread matching the internal thread inside the fixing nut.

[0015] Preferably, one end of the pin shaft passes through the interior of the first positioning sleeve, the second positioning sleeve and the intermediate connecting sleeve, extends to the outside of the first connecting plate and the first positioning sleeve, and is threadedly connected to the fixing nut, and the pin shaft and the intermediate connecting sleeve form a telescopic structure through a buffer spring.

[0016] The utility model provides a combined multi-layer brazed aluminum alloy honeycomb panel for high-speed railway corridor chassis, which has the following advantages:

[0017] By providing a reinforcement structure and an insulating layer, which is actually made of polyvinyl chloride material, the first honeycomb core and the second honeycomb core can be protected from heat, moisture and wear, and have good insulation performance. By providing two groups of the first honeycomb core and the second honeycomb core, the use strength of the honeycomb panel is improved. The honeycomb body in the first honeycomb core and the second honeycomb core is composed of a plurality of groups of hollow hexagonal structures connected to each other, and the plurality of honeycomb bodies can be connected and ventilated to each other, thereby improving the quality of the brazing process. By providing a fireproof layer, which is actually a magnesium oxychloride fireproof board, the internal fire resistance is increased. By providing a moisture-proof layer, which is actually an epoxy resin coating, the honeycomb panel is prevented from corrosion, the moisture-proof performance is improved, and the overall service life is extended.

[0018] By providing a connecting structure, the first connecting plate and the second connecting plate are connected by a pin shaft passing through the first positioning sleeve and the second positioning sleeve, the first connecting plate and the second connecting plate are fixed by passing a fixing nut through one end of the pin shaft, and the first connecting plate and the second connecting plate are fixed to the top ends of the first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel by fixing bolts, the pin shaft and the middle connecting sleeve form a telescopic structure through a buffer spring, so that the buffer spring is deformed, which has a buffering effect, thereby preventing the first aluminum alloy honeycomb panel and the second aluminum alloy honeycomb panel from shaking too much and causing damage to the internal welding parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the reinforcement structure of the utility model;

[0021] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 4 It is a schematic diagram of a top view cross-sectional structure of the connection structure of the utility model;

[0023] Figure 5 For the utility model Figure 4 Enlarged structural diagram at A in the middle.

[0024] Explanation of the reference numerals in the figure: 1. first aluminum alloy honeycomb panel; 2. second aluminum alloy honeycomb panel; 3. protective plate; 4. reinforcement structure; 401. panel; 402. insulation layer; 403. first aluminum plate; 404. first honeycomb core; 405. fireproof layer; 406. second honeycomb core; 407. second aluminum plate; 408. moisture-proof layer; 409. back plate; 5. side plate; 6. connection structure; 601. first connecting plate; 602. first positioning sleeve; 603. second connecting plate; 604. second positioning sleeve; 605. fixing bolt; 606. pin; 607. fixing nut; 608. intermediate connecting sleeve; 609. buffer spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 The utility model provides a brazed aluminum alloy honeycomb panel for a combined multi-layer high-speed railway corridor chassis, comprising a first aluminum alloy honeycomb panel 1 and a second aluminum alloy honeycomb panel 2.

[0027] Reference Figure 1-Figure 3As shown, a protective plate 3 is provided on one side of the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2, and a reinforcing structure 4 is provided inside the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2. The reinforcing structure 4 includes a panel 401, an insulating layer 402, a first aluminum plate 403, a first honeycomb core 404, a fireproof layer 405, a second honeycomb core 406, a second aluminum plate 407, a moisture-proof layer 408 and a back plate 409. The panel 401 is provided inside the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2, an insulating layer 402 is provided on one side of the panel 401, a first aluminum plate 403 is provided on one side of the insulating layer 402, a first honeycomb core 404 is provided on one side of the first aluminum plate 403, and a fireproof layer 405 is provided on one side of the first honeycomb core 404. 05, a second honeycomb core 406 is arranged on one side of the fireproof layer 405, a second aluminum plate 407 is arranged on one side of the second honeycomb core 406, a moisture-proof layer 408 is arranged on one side of the second aluminum plate 407, a back plate 409 is arranged on one side of the moisture-proof layer 408, the panel 401 and the back plate 409 are symmetrically distributed inside the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2, the insulating layer 402 is actually made of polyvinyl chloride material, the first aluminum plate 403 and the second aluminum plate 407 are symmetrically distributed on one side of the first honeycomb core 404 and the second honeycomb core 406, the fireproof layer 405 is actually a magnesium oxychloride fireproof board, the first honeycomb core 404 and the second honeycomb core 406 are symmetrically distributed on both sides of the fireproof layer 405, and the moisture-proof layer 408 is actually epoxy resin coating.

[0028] By providing an insulating layer 402, which is actually made of polyvinyl chloride material, the first honeycomb core 404 and the second honeycomb core 406 can be protected from heat, moisture and wear and tear, and have good insulation performance. By providing two groups of first honeycomb cores 404 and second honeycomb cores 406, the use strength of the honeycomb panel is improved. The honeycomb bodies in the first honeycomb core 404 and the second honeycomb core 406 are composed of a plurality of groups of hollow hexagonal structures connected to each other, and the plurality of honeycomb bodies can be connected and ventilated to each other, thereby improving the quality of the brazing process. By providing a fireproof layer 405, which is actually a magnesium oxychloride fireproof board, the internal fire resistance is increased. By providing a moisture-proof layer 408, which is actually an epoxy resin coating, the honeycomb panel is prevented from corrosion, the moisture-proof performance is improved, and the overall service life is extended.

[0029] Reference Figure 3-Figure 5As shown, the other side of the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2 are both provided with side panels 5, and two groups of side panels 5 are provided. The side panels 5 are symmetrically distributed on one side of the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2, and one side of both ends of the side panels 5 is provided with an arc groove. The top of the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2 are both provided with a connecting structure 6, and the connecting structure 6 includes a first connecting plate 601, a first positioning sleeve 602, a second connecting plate 603, a second positioning sleeve 604, a fixing bolt 605, a pin 606, a fixing nut 607, an intermediate connecting sleeve 608 and a buffer spring 609. The first connecting plate 601 is provided at the top of the first aluminum alloy honeycomb panel 1, and the first positioning sleeve 602 is provided at the middle position of one side of the first connecting plate 601. The second connecting plate 603 is provided on one side of the first connecting plate 601, and the second positioning sleeves 604 are provided at both ends of the first positioning sleeve 602 on one side of the second connecting plate 603. 1 and the second connecting plate 603 are both provided with fixing bolts 605, the first positioning sleeve 602 and the second positioning sleeve 604 are provided with pins 606, and a fixing nut 607 is provided on the outside of one end of the pin 606. An intermediate connecting sleeve 608 is provided at the middle position inside the first positioning sleeve 602, and buffer springs 609 are provided on the outside of the pins 606 at both ends of the intermediate connecting sleeve 608. Four groups of fixing bolts 605 are provided, and the fixing bolts 605 are symmetrically distributed inside the first connecting plate 601 and the first positioning sleeve 602. The outside of the pin 606 is provided with an external thread matching the internal thread of the fixing nut 607. One end of the pin 606 passes through the first positioning sleeve 602, the second positioning sleeve 604 and the intermediate connecting sleeve 608, extends to the outside of the first connecting plate 601 and the first positioning sleeve 602, and is threadedly connected to the fixing nut 607. The pin 606 and the intermediate connecting sleeve 608 form a telescopic structure through the buffer spring 609.

[0030] The first connecting plate 601 and the second connecting plate 603 are connected by passing the first positioning sleeve 602 and the second positioning sleeve 604 through the pin shaft 606, and the first connecting plate 601 and the second connecting plate 603 are fixed by passing the fixing nut 607 through one end of the pin shaft 606. The first connecting plate 601 and the second connecting plate 603 are fixed to the top ends of the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2 by the fixing bolt 605. The pin shaft 606 and the middle connecting sleeve 608 form a telescopic structure through the buffer spring 609, so that the buffer spring 609 is deformed, which has a buffering effect, thereby preventing the first aluminum alloy honeycomb panel 1 and the second aluminum alloy honeycomb panel 2 from shaking too much and causing damage to the internal welding parts.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A brazed aluminum alloy honeycomb panel for a combined multi-layer high-speed railway corridor chassis, comprising a first aluminum alloy honeycomb panel (1) and a second aluminum alloy honeycomb panel (2); Features: A protective plate (3) is provided on one side of each of the first aluminum alloy honeycomb panel (1) and the second aluminum alloy honeycomb panel (2); The first aluminum alloy honeycomb panel (1) and the second aluminum alloy honeycomb panel (2) are both provided with a reinforcement structure (4) inside. The reinforcement structure (4) comprises a panel (401), an insulating layer (402), a first aluminum plate (403), a first honeycomb core (404), a fireproof layer (405), a second honeycomb core (406), a second aluminum plate (407), a moisture-proof layer (408) and a back plate (409). The panel (401) is provided inside the first aluminum alloy honeycomb panel (1) and the second aluminum alloy honeycomb panel (2). An insulation layer (402) is provided on one side of the panel (401). A layer (402), a first aluminum plate (403) is provided on one side of the insulating layer (402), a first honeycomb core (404) is provided on one side of the first aluminum plate (403), a fireproof layer (405) is provided on one side of the first honeycomb core (404), a second honeycomb core (406) is provided on one side of the fireproof layer (405), a second aluminum plate (407) is provided on one side of the second honeycomb core (406), a moisture-proof layer (408) is provided on one side of the second aluminum plate (407), and a back plate (409) is provided on one side of the moisture-proof layer (408); The other sides of the first aluminum alloy honeycomb panel (1) and the second aluminum alloy honeycomb panel (2) are both provided with side panels (5), and the top ends of the first aluminum alloy honeycomb panel (1) and the second aluminum alloy honeycomb panel (2) are both provided with connection structures (6).

2. The brazed aluminum alloy honeycomb panel for a combined multi-layer high-speed railway corridor chassis according to claim 1, characterized in that: The face plate (401) and the back plate (409) are symmetrically distributed inside the first aluminum alloy honeycomb plate (1) and the second aluminum alloy honeycomb plate (2); the insulating layer (402) is actually made of polyvinyl chloride material; the first aluminum plate (403) and the second aluminum plate (407) are symmetrically distributed on one side of the first honeycomb core (404) and the second honeycomb core (406); and the fireproof layer (405) is actually a magnesium oxychloride fireproof board.

3. The brazed aluminum alloy honeycomb panel for a combined multi-layer high-speed railway corridor chassis according to claim 1 is characterized in that: The first honeycomb core (404) and the second honeycomb core (406) are symmetrically distributed on both sides of the fireproof layer (405), and the moisture-proof layer (408) is actually epoxy resin paint.

4. The brazed aluminum alloy honeycomb panel for a combined multi-layer high-speed railway corridor chassis according to claim 1, characterized in that: Two groups of the side panels (5) are provided. The side panels (5) are symmetrically distributed on one side of the first aluminum alloy honeycomb panel (1) and the second aluminum alloy honeycomb panel (2). One side of both ends of the side panels (5) is provided with an arc groove.

5. The brazed aluminum alloy honeycomb panel for combined multi-layer high-speed railway corridor chassis according to claim 1, characterized in that: The connection structure (6) comprises a first connection plate (601), a first positioning sleeve (602), a second connection plate (603), a second positioning sleeve (604), a fixing bolt (605), a pin shaft (606), a fixing nut (607), an intermediate connection sleeve (608) and a buffer spring (609), wherein the first connection plate (601) is arranged at the top end of the first aluminum alloy honeycomb panel (1), the first positioning sleeve (602) is arranged at the middle position of one side of the first connection plate (601), the second connection plate (603) is arranged on one side of the first connection plate (601), and the second connection plate (60 3) A second positioning sleeve (604) is provided at both ends of the first positioning sleeve (602) on one side, fixing bolts (605) are provided inside the first connecting plate (601) and the second connecting plate (603), a pin shaft (606) is provided inside the first positioning sleeve (602) and the second positioning sleeve (604), a fixing nut (607) is provided on the outer side of one end of the pin shaft (606), an intermediate connecting sleeve (608) is provided at the middle position inside the first positioning sleeve (602), and buffer springs (609) are provided on the outer sides of the pin shafts (606) at both ends of the intermediate connecting sleeve (608).

6. The brazed aluminum alloy honeycomb panel for combined multi-layer high-speed railway corridor chassis according to claim 5, characterized in that: Four groups of fixing bolts (605) are provided. The fixing bolts (605) are symmetrically distributed inside the first connecting plate (601) and the first positioning sleeve (602). The outer side of the pin shaft (606) is provided with an external thread matching the internal thread of the fixing nut (607).

7. The brazed aluminum alloy honeycomb panel for combined multi-layer high-speed railway corridor chassis according to claim 5, characterized in that: One end of the pin shaft (606) passes through the interior of the first positioning sleeve (602), the second positioning sleeve (604) and the intermediate connecting sleeve (608), extends to the outside of the first connecting plate (601) and the first positioning sleeve (602), and is threadedly connected to the fixing nut (607), and the pin shaft (606) and the intermediate connecting sleeve (608) form a telescopic structure via a buffer spring (609).

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