CN213425933U

CN213425933U - Improved structure of low-noise box body of diesel generating set

Info

Publication number: CN213425933U
Application number: CN202022429669.6U
Authority: CN
Inventors: 余光科; 李丽丽; 余桥发
Original assignee: Shaanxi Huaxin Power Equipment Co ltd
Current assignee: Shaanxi Huaxin Power Equipment Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-11
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses an improved structure of diesel generating set low noise box, the on-line screen storage device comprises a base, the top of base is equipped with the casing, the lower part outside fixedly connected with side cover of casing, base up end fixedly connected with bounding wall, and the bounding wall inserts and establish between casing and side cover, the inlay groove that corresponds and mate with casing, side cover position is seted up to the base up end, all be equipped with the cotton layer of first sound absorption with the base up end on the shells inner wall, the inside first vacuum cavity that is equipped with of casing, the side cover inboard is equipped with the second and inhales the cotton layer of sound, the lateral wall circumference of side cover is equipped with a plurality of connecting blocks, be equipped with the first connecting bolt of being connected with the base on the connecting block, the base both sides are connected with second connecting bolt, the top of base is equipped with and is located the inboard suspension installation. The utility model discloses effectively avoided the phenomenon that gap department noise spreads, and then the transmission of effective isolated noise, the noise reduction spreads and has good syllable-dividing effect.

Description

Improved structure of low-noise box body of diesel generating set

Technical Field

The utility model relates to a diesel generating set technical field especially relates to an improvement structure of diesel generating set low noise box.

Background

The diesel generator set is a power supply device which takes a diesel engine as a prime mover and drags a synchronous generator to generate electricity. The power generation device has the advantages of rapid starting, convenient operation and maintenance, less investment and stronger environmental adaptability, and the diesel generator set needs to use the low-noise box body of the diesel generator set to realize sound insulation and noise reduction when in use.

But when current diesel generating set low noise box generally reduced noise through sealed, the effect is more weak, and sound still can pass through the medium transmission and come out, and the effect of low noise is relatively poor, especially in the position of box seam connection, the phenomenon that the noise transmission appears easily, and because the direct mount between diesel generating set and the box, hard connection causes sound still easily directly to transmit from the bottom, therefore noise reduction effect is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an improved structure of a low-noise box body of a diesel generator set.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an improved structure of diesel generating set low noise box, includes the base, the top of base is equipped with the casing, the lower part outside fixedly connected with side cover of casing, base up end fixedly connected with bounding wall, and the bounding wall inserts and establish between casing and side cover, the base up end is seted up and is corresponded and the matching inlay groove with casing, side cover position, all be equipped with the cotton layer of first sound absorption with the base up end on the shells inner wall, the inside first vacuum cavity that is equipped with of casing, the side cover inboard is equipped with the second and inhales the cotton layer of sound, the lateral wall circumference of side cover is equipped with a plurality of connecting blocks, be equipped with the first connecting bolt of being connected with the base on the connecting block, the base both sides are connected with second connecting bolt, the top of base is equipped with the inboard suspension installation mechanism that is located the.

Preferably, suspension installation mechanism includes the suspension board, the equal vertical reference column that runs through in suspension board four corners department, reference column fixed connection is on the base, the suspension board top is equipped with the backing plate, reference column upper end threaded connection has the installation nut, the cover is equipped with the spring on the reference column, and the spring is located the suspension board below.

Preferably, a gasket is sleeved on the positioning column and located below the spring.

Preferably, a second vacuum cavity is arranged inside the side cover.

Preferably, a rubber sealing layer is arranged on the inner wall of the embedding groove corresponding to the side cover.

Preferably, four annular grooves which are sequentially sleeved are formed in the inner bottom wall of the embedding groove at the position corresponding to the shell, and the lower end of the shell is fixedly connected with an annular convex strip corresponding to the annular groove.

The utility model has the advantages that:

through setting up first vacuum cavity, second vacuum cavity, the transmission of noise can be effectively isolated, and then effective noise reduction spreads, has good syllable-dividing effect.

Through setting up the cotton layer of first sound absorption, the cotton layer of sound is inhaled to the second, and the effective noise absorption shakes, noise reduction.

Through setting up rubber sealing layer, annular sand grip, annular groove, effectively avoided the phenomenon that gap department noise spreads.

Through setting up suspension installation mechanism, can install diesel generating set on the suspension board, realize elastic mounting through the spring, and then effective buffering vibrations, the direct transmission of noise reduction realizes making an uproar.

Drawings

Fig. 1 is a schematic structural view of an improved structure of a low-noise box of a diesel generator set provided by the utility model;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the sound absorption device comprises a base 1, a shell 2, a first vacuum cavity 3, a first sound absorption cotton layer 4, a side cover 5, a second vacuum cavity 6, a second sound absorption cotton layer 7, a coaming 8, a first connecting bolt 9, a connecting block 10, a second connecting bolt 11, a rubber sealing layer 12, a gasket 13, a positioning column 14, a spring 15, a suspension plate 16, a mounting nut 17, a backing plate 18, an annular convex strip 19, an annular groove 20 and an embedded groove 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an improved structure of a low noise box of a diesel generator set comprises a base 1, a shell 2 is arranged above the base 1, a side cover 5 is fixedly connected with the outer side of the lower part of the shell 2, a baffle 8 is fixedly connected with the upper end surface of the base 1, the baffle 8 is inserted between the shell 2 and the side cover 5, the baffle 8 is arranged to enable the path connecting the inside of the shell 2 with the outside to be bent and extended, further the sound transmission path and time are prolonged, the effective absorption of noise is facilitated, the sound is reduced to be directly transmitted from a gap, an embedded groove 21 corresponding to and matched with the shell 2 and the side cover 5 is arranged on the upper end surface of the base 1, a first sound absorption cotton layer 4 is arranged on the inner wall of the shell 2 and the upper end surface of the base 1, a first vacuum cavity 3 is arranged inside the shell 2, a second vacuum cavity 6 is arranged inside the side cover 5, a second sound absorption, the side cover 5 is characterized in that a plurality of connecting blocks 10 are circumferentially arranged on the side wall of the side cover 5, first connecting bolts 9 connected with the base 1 are arranged on the connecting blocks 10, the connecting installation of the shell 2 and the base 1 is realized through the first connecting bolts 9, second connecting bolts 11 are connected to two sides of the base 1, and a suspension installation mechanism located on the inner side of the shell 2 is arranged above the base 1.

The utility model discloses in, suspension installation mechanism includes

suspension board

16, and 16 four corners departments of suspension board are all vertical to be run through and are equipped with

reference column

14, and 14 fixed connection of reference column are on

base

1, and 16 tops of suspension board are equipped with

backing plate

18, and 14 upper end threaded connection of reference column have installation nut 17, and the cover is equipped with spring 15 on the reference column 14, and spring 15 is located 16 below of suspension board.

Furthermore, the positioning column 14 is sleeved with a gasket 13, the gasket 13 is located below the spring 15, and the gasket 13 is made of rubber, so that the buffering effect is further enhanced, and vibration and noise transmission is reduced.

Furthermore, the rubber sealing layer 12 is arranged on the inner wall of the position, corresponding to the side cover 5, of the embedded groove 21, the four annular grooves 20 which are sequentially sleeved are formed in the inner bottom wall of the position, corresponding to the shell 2, of the embedded groove 21, the annular convex strip 19 corresponding to the annular groove 20 is fixedly connected to the lower end of the shell 2, and the phenomenon that noise at the gap is transmitted is effectively avoided due to the rubber sealing layer 12, the annular convex strip 19 and the annular groove 20.

The utility model discloses during the use, can install diesel generating set on suspension plate 16, realize elastic mounting through spring 15, and then effective buffering vibrations, the direct transmission of noise reduction, it makes an uproar to realize falling, first vacuum cavity 3, second vacuum cavity 6, the transmission of noise can effectively be completely cut off, and then effective noise reduction spreads out, good syllable-dividing effect has, first sound absorption cotton layer 4, the cotton layer 7 of sound is inhaled to the second, effective noise absorption vibrations, the noise reduction, rubber seal layer 12, annular sand grip 19, annular groove 20, the phenomenon that gap department's noise spread has effectively been avoided.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. An improved structure of a low-noise box body of a diesel generating set comprises a base (1) and is characterized in that a shell (2) is arranged above the base (1), a side cover (5) is fixedly connected to the outer side of the lower portion of the shell (2), a coaming (8) is fixedly connected to the upper end face of the base (1), the coaming (8) is inserted between the shell (2) and the side cover (5), an embedded groove (21) corresponding to and matched with the shell (2) and the side cover (5) in position is formed in the upper end face of the base (1), first sound-absorbing cotton layers (4) are arranged on the inner wall of the shell (2) and the upper end face of the base (1), a first vacuum cavity (3) is arranged inside the shell (2), a second sound-absorbing cotton layer (7) is arranged on the inner side of the side cover (5), a plurality of connecting blocks (10) are circumferentially arranged on the side wall of the side cover (5), and first connecting bolts (9) connected with the base (1) are arranged on, the base is characterized in that two sides of the base (1) are connected with second connecting bolts (11), and a suspension installation mechanism located on the inner side of the shell (2) is arranged above the base (1).

2. The improved structure of the low-noise box body of the diesel generator set according to claim 1, wherein the suspension installation mechanism comprises a suspension plate (16), positioning columns (14) are vertically arranged at four corners of the suspension plate (16) in a penetrating manner, the positioning columns (14) are fixedly connected to the base (1), a base plate (18) is arranged above the suspension plate (16), the upper ends of the positioning columns (14) are connected with installation nuts (17) in a threaded manner, springs (15) are sleeved on the positioning columns (14), and the springs (15) are located below the suspension plate (16).

3. The improved structure of the low-noise box body of the diesel generator set according to claim 2, characterized in that a gasket (13) is sleeved on the positioning column (14), and the gasket (13) is positioned below the spring (15).

4. The improved structure of the low-noise box body of the diesel generator set according to the claim 1, characterized in that a second vacuum cavity (6) is arranged inside the side cover (5).

5. The improved structure of the low-noise box body of the diesel generator set according to the claim 1, characterized in that the inner wall of the embedded groove (21) corresponding to the side cover (5) is provided with a rubber sealing layer (12).

6. The improved structure of the low-noise box body of the diesel generator set according to claim 1, characterized in that four annular grooves (20) which are sequentially sleeved are formed on the inner bottom wall of the embedded groove (21) at the position corresponding to the housing (2), and the lower end of the housing (2) is fixedly connected with an annular convex strip (19) corresponding to the annular groove (20).