Silencing mechanism for foamed aluminum of generator set

Abstract

The utility model relates to the technical field of foamed aluminum, and discloses a noise reduction mechanism for foamed aluminum of a generator set, which comprises a generator set body, a shell is arranged on the periphery of the generator set body and comprises a first layer plate, a sound insulation sponge is arranged on one side of the first layer plate, and a foamed aluminum body is arranged on one side of the sound insulation sponge. A sound insulation felt is arranged on one side of the foamed aluminum body, a second layer plate is arranged on one side of the sound insulation felt, the first layer plate and the second layer plate are connected through a connecting assembly, the connecting assembly comprises connecting columns, and the connecting columns are welded to the four corners of the opposite faces of the first layer plate and the second layer plate. By arranging the sound insulation sponge, the foamed aluminum body and the sound insulation felt, when inside sound is transmitted out, the sound can be silenced by the cavity formed between the first layer plate and the second layer plate, and meanwhile, the sound can be further silenced by the foamed aluminum body, the sound insulation sponge and the sound insulation felt, so that the transmitted sound is smaller, and the silencing effect of the foamed aluminum is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foamed aluminum, more particularly to a sound attenuation mechanism of foamed aluminum for generator set. BACKGROUND

[0002] Foamed aluminum has excellent physical properties, chemical properties and mechanical properties and recyclability, and has the characteristics of light weight and high rigidity.

[0003] According to the search, the Chinese patent with the publication number CN217783627U discloses a kind of anti-collision vehicle-mounted mute generator set device, four support feet are installed on bottom plate to support the whole generator set, however, noise will be generated in the process of operation of motor and engine provided in the generator set, although in closed space, but noise will still be transmitted, thereby causing harm to surrounding personnel. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a sound attenuation mechanism of foamed aluminum for generator set to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical scheme: a kind of sound attenuation mechanism of foamed aluminum for generator set, including generator set body, the periphery of the generator set body is equipped with shell, shell includes first layer board, one side of first layer board is equipped with sound insulation sponge, one side of sound insulation sponge is equipped with foamed aluminum body, one side of foamed aluminum body is equipped with sound insulation felt, one side of sound insulation felt is equipped with second layer board, first layer board and second layer board are connected by connecting assembly.

[0006] Further, the connecting assembly includes a connecting column, which is welded at the four corners of the opposite sides of the first layer board and the second layer board, a first through hole is formed in one side of the sound insulation sponge, a second through hole is formed in one side of the second layer board, and a third through hole is formed in one side of the foamed aluminum body, and the connecting column passes through the first through hole, the second through hole and the third through hole respectively.

[0007] Further, the sound insulation sponge, the foamed aluminum body and the sound insulation felt are positionally overlapped.

[0008] Further, the first layer board and the second layer board coincide with one corner of the sound insulation sponge, the foamed aluminum body and the sound insulation felt.

[0009] Further, the first layer board and the second layer board are made of steel plate.

[0010] The utility model has the following technical effects and advantages:

[0011] 1.The utility model discloses a sound insulation sponge, foam aluminum body and sound insulation felt are equipped with, when the sound in the inside is sent out, will be the cavity formed between the first layer board and the second layer board and be further sound -insulation by foam aluminum body and sound insulation sponge, sound insulation felt, make the sound send out smaller, thereby improve the sound -insulation effect of foam aluminum.

[0012] 2.The utility model discloses a connecting assembly is equipped with, and the one end of connecting column is passed through the second layer board, and is with the second layer board even -level, then to the second layer board and connecting column are welded, form a single sound insulation body, again sound insulation body is assembled, and the welding of adjacent two sound insulation bodies improves the firmness of shell. DRAWINGS

[0013] Figure 1 It is the three -dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is the local sectional structure schematic diagram of the utility model.

[0015] Figure 3 It is the local partial structure schematic diagram of the utility model.

[0016] Figure 4 It is the A department enlarged structure schematic diagram of the utility model.

[0017] The figure mark is: 1, generator set body;2, shell;3, first layer board;4, sound insulation sponge;5, foam aluminum body;6, sound insulation felt;7, second layer board;8, first through -hole;9, second through -hole;10, third through -hole;11, connecting column. SPECIFIC IMPLEMENTATION

[0018] Below, the technical scheme in the utility model of the present utility model will be described clearly and completely in conjunction with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the utility model is not limited to each structure recorded in the following implementation, all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the scope of the utility model protection.

[0019] REFERENCE Figures 1-4The utility model provides a kind of sound attenuation mechanism of generator set foamed aluminium, including generator set body 1, the periphery of generator set body 1 is equipped with shell 2, shell 2 includes first layer board 3, one side of first layer board 3 is equipped with sound insulation sponge 4, one side of sound insulation sponge 4 is equipped with foamed aluminium body 5, foamed aluminium body 5, adopt closed-cell foamed aluminium, one side of foamed aluminium body 5 is equipped with sound insulation felt 6, one side of sound insulation felt 6 is equipped with second layer board 7, first layer board 3 and second layer board 7 are all steel plate material, first layer board 3 is connected with second layer board 7 by connecting assembly, sound insulation sponge 4, foamed aluminium body 5 and sound insulation felt 6 position overlap, first layer board 3 and second layer board 7 and one corner of sound insulation sponge 4, foamed aluminium body 5 and sound insulation felt 6 coincide, when preparing, four corners of first layer board 3 are all installed with four groups of sound attenuation group consisting of sound insulation sponge 4, foamed aluminium body 5 and sound insulation felt 6 by connecting assembly, and the connecting group of adjacent two first layer boards 3 and second layer boards 7 is welded, to gradually need the sound attenuation structure of city, when the sound in the inside is transmitted, will be formed cavity between first layer board 3 and second layer board 7 and sound insulation, simultaneously still will be foamed aluminium body 5 and sound insulation sponge 4, sound insulation felt 6 further sound attenuation, make the transmission of sound smaller, to improve the sound attenuation effect of foamed aluminium.

[0020] Among them, connecting assembly includes connecting column 11, connecting column 11 is welded at the four corners of the opposite side of first layer board 3 and second layer board 7, one side of sound insulation sponge 4 is equipped with first through-hole 8, one side of second layer board 7 is equipped with second through-hole 9, one side of foamed aluminium body 5 is equipped with third through-hole 10, and connecting column 11 is respectively passed through first through-hole 8, second through-hole 9 and third through-hole 10, when using, connecting column 11 is welded on one side of first layer board 3, first through-hole 8, second through-hole 9 and third through-hole 10 are all fitted in the circumferential outside of connecting column 11, then one end of connecting column 11 is passed through second layer board 7, and is flush with second layer board 7, then second layer board 7 and connecting column 11 are welded, form a single sound insulation body, again the sound insulation body is assembled, adjacent two sound insulation bodies are welded, improve the firmness of shell 2.

[0021] The working principle of the utility model: when preparing, connecting column 11 is welded on one side of first layer board 3, first through-hole 8, second through-hole 9 and third through-hole 10 are all fitted in the circumferential outside of connecting column 11, then one end of connecting column 11 is passed through second layer board 7, and is flush with second layer board 7, then second layer board 7 and connecting column 11 are welded, form a single sound insulation body, again the sound insulation body is assembled, adjacent two sound insulation bodies are welded, when the sound in the inside is transmitted, will be formed cavity between first layer board 3 and second layer board 7 and sound insulation, simultaneously still will be foamed aluminium body 5 and sound insulation sponge 4, sound insulation felt 6 further sound attenuation, make the transmission of sound smaller, to improve the sound attenuation effect of foamed aluminium.

[0022] Finally, it should be noted that in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, which can be mechanical connection or electrical connection, or the internal communication of two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0023] The utility model discloses the embodiment of the drawings, only relate to the structure related to the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A noise reduction mechanism for aluminum foam in a generator set, comprising a generator set body (1), characterized in that: The generator set body (1) is surrounded by an outer shell (2). The outer shell (2) includes a first layer plate (3). A sound insulation sponge (4) is provided on one side of the first layer plate (3). A foam aluminum body (5) is provided on one side of the sound insulation sponge (4). A sound insulation felt (6) is provided on one side of the foam aluminum body (5). A second layer plate (7) is provided on one side of the sound insulation felt (6). The first layer plate (3) and the second layer plate (7) are connected by a connecting component.

2. The noise reduction mechanism for aluminum foam in a generator set according to claim 1, characterized in that: The connecting assembly includes a connecting post (11), which is fixedly connected to the four corners of the opposite sides of the first layer plate (3) and the second layer plate (7). The sound insulation sponge (4) has a first through hole (8) on one side, the second layer plate (7) has a second through hole (9) on one side, and the aluminum foam body (5) has a third through hole (10) on one side. The connecting post (11) passes through the first through hole (8), the second through hole (9), and the third through hole (10) respectively.

3. The noise reduction mechanism for foamed aluminum in a generator set according to claim 1, characterized in that: The sound insulation sponge (4), the aluminum foam body (5), and the sound insulation felt (6) overlap in position.

4. The noise reduction mechanism for aluminum foam in a generator set according to claim 1, characterized in that: The first layer (3) and the second layer (7) overlap with one corner of the sound insulation sponge (4), the aluminum foam body (5) and the sound insulation felt (6).

5. The noise reduction mechanism for aluminum foam in a generator set according to claim 4, characterized in that: Both the first layer plate (3) and the second layer plate (7) are made of steel plate.

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