CN207498847U - Sound arrester - Google Patents

Abstract

The utility model is related to a kind of sound arresters, the sound arrester includes several sound-insulating members, the sound-insulating member is polyhedron-shaped in strip, wherein, be 147 ° by first facial and second the first bending section for being formed of face and by the 5th bending section that the 5th face and the 6th face are formed, and in the second face, third is facial, the second bending section, third bending section and the 4th bending section that are sequentially formed between fourth face portion and the 5th face are then 142 °；Wherein, the shape that the sound arrester further includes the both ends of shape and the sound-insulating member is adapted and the side block lid of one end closing, nested encryptions are distinguished on the clamping part at the both ends of the sound-insulating member and a side block lid is fixedly mounted, so as to close the both ends of the sound-insulating member.

Description

Sound arrester

Technical field

The utility model is related to noise control field, specifically a kind of sound arrester.

Background technology

The construction of highway and rail traffic has driven periphery expanding economy, and the problem of bringing therewith is highway And the noise pollution around rail traffic influences the normal production and living of resident nearby, weakens highway and rail vehicle week The level of noise on side, the pollution of control noise become more and more important subject.

In the prior art, common traditional sound panel obstructs sound just with acoustic material, can not incite somebody to action Noise is eliminated, and actual effect is simultaneously bad；Also a kind of abatvoix for being set to highway and rail on both sides includes for absorbing The rotation sound of wheel and the noise of the sound from motor, the abatvoix side uses porous plate, and opposite side is interior The steel plate of the flat box body of portion's filling sound-absorbing material, these sound-absorbing materials include glass wool and asbestos, it is intended to pass through sound absorber The absorption noise of material plays soundproof effect.

This abatvoix generates the problem that, since sound-absorbing material is surrounded by metallic plate, makes an uproar in sound-absorbing material absorption Metallic plate plays the role of reflection sound wave while sound, so as to reduce the sound-absorbing efficiency of abatvoix；In addition, the glass wool, The existing acoustical absorbance properties of the sound-absorbing materials such as asbestos, also there is water retention characteristic；After sound-absorbing material absorbs a large amount of moisture, not only sound-absorbing effect Decline, and deterioration apt to deteriorate, therefore the practical effect of above-mentioned abatvoix is unsatisfactory, and the maintenance cost in later stage It is very high.

CN101175887B discloses a kind of sound arrester, has to be sequentially laminated on to be spaced according to the rules and stands setting It is between pillar, have according to the bending of regulation angle and to polyhedral strip sound-insulating member of one side opening of sound source.It is this Sound arrester is proposed reflected in the multiple planes of polyhedron by sound wave after the design interfered to reduce noise that generates. Figure 10 shows this prior art, it the problem of be：Sound wave to make to transmit from sound source passes through polyhedron and interferes, from And reducing noise, the bending angle of polyhedral each bending section is both designed as 142 °, 205 He of first facial polyhedral in this way 7th face 202 can deviate from horizontal plane and polyhedral opening slightly inwardly received.First, this causes one polyhedral Six faces 202 and another polyhedral first facial 205 are unable to face contact, and can only make in the 6th face 202 and the 5th face The bending section formed between the bending section formed between portion 201 and the second face 206 and first facial 205 forms line and contacts, because And lead to that 205 He of polyhedral first facial below adjacent must be sealed using additional seal member 204 during installation Section between polyhedral 6th face 202 above, the 7th face 203 gap triangular in shape, and this sealing element holds Water easy-storing deposits dirt, reduces the service life of sound-insulating member, and leads to the complexity of installation.Secondly, the design received in polyhedron opening is led Multiple polyhedrons cannot be nested when causing to transport, which increase the transport power needed for transport, so as to increase cost.

Utility model content

According to the defects of above-mentioned technology contents, the purpose of this utility model is to provide a kind of sound arrester, by this sound insulation Device is set to highway or railway both sides, can reduce level of noise, control noise pollution, and be convenient for safeguarding, at low cost It is honest and clean, it is promoted and applied suitable for each department.

The utility model provides a kind of sound arrester, and the sound arrester includes several sound-insulating members, the sound proof part Part is polyhedron-shaped in strip, by first facial 101a, the second face 101b, third face 101c, fourth face portion 101d, 5th face 101e, the 6th face 101f are formed, wherein, the first bending formed by the faces of first facial 101a and second 101b Portion 102d and the 5th bending section 102e formed by the 5th face faces of 101e and the 6th 101f is 147 °, and in the second face The second bending section 102a for being sequentially formed between 101b, third face 101c, the faces of fourth face portion 101d and the 5th 101e, Three bending section 102b and the 4th bending section 102c are then 142 °；Wherein, which further includes shape and the sound-insulating member The shape at 100 both ends is adapted and the side block lid 105 of one end closing, the clamping part at the both ends of the sound-insulating member 100 Nested encryptions are distinguished on 103 and a side block lid is fixedly mounted, so as to close the both ends of the sound-insulating member 100；Each institute Sound-insulating member 100 is stated to be sequentially stacked in a manner that first facial 101a is horizontal positioned in two spaced apart branch according to the rules Between column, it is open towards sound source side, wherein, first facial 101a and the following sound proof part of each sound-insulating member 100 above 6th face 101f of part 100 is bonded contact each other.

A kind of preferred implementing form according to the present utility model, the pillar be H-type component 107, each sound-insulating member 100 are inserted into the region between the edge of a wing of H-type component 107.

A kind of preferred implementing form according to the present utility model, the sound arrester further include the 7th face 101g, this Seven face 101g are connected with the 6th face 101f and are bent outside the sound-insulating member 100.

A kind of preferred implementing form according to the present utility model, the sound-insulating member 100 are suitable for being provided at both ends with width The clamping part 103 being inserted between the edge of a wing of H-type component 107.

A kind of preferred implementing form according to the present utility model, the sound arrester also have reinforcing member 106, the reinforcing Part section is triangular in shape or polygon, the reinforcing member have respectively with the 5th face 101e of sound-insulating member 100 above With second face 101b angles two faces that adaptably forming face connects of following sound-insulating member 100, also tool there are one and H The edge of a wing angle of type component 107 face that adaptably forming face connects,

Wherein, the reinforcing member 106 is set to the clamping part 103 at 100 both ends of sound-insulating member and the H-type component In gap between 107 edge of a wing, secured connection is formed with sound-insulating member 100 and H-type component 107.

A kind of preferred implementing form according to the present utility model, the side block lid with weld or bolt fixed mode install On the clamping part 103 at 100 both ends of sound-insulating member.

A kind of preferred implementing form according to the present utility model, in the inside of the H-type component 107, in the H-type component Elastomeric pad 115 is provided between 107 and the open side of the sound-insulating member 100.

The sound arrester of the utility model is because be by having the polyhedron-shaped sound proof part to one side opening of sound source Part carries out sound insulation, so it is effective that the principles such as multiple refraction, the interference of sound wave and the closing of transmitting sound can be applied to carry out Sound insulation.The sound wave advanced up in the side of sound-insulating member, to first facial 101a, the second face 101b, third face 101c, fourth face portion 101d, the 5th face 101e, the 6th face 101f sides are advanced, and reach the sound wave of each face, although By these face reflections, but it is angled because of being set on each face by bending section, as shown in the arrow in Fig. 9 As, it will be concentrated in a manner of near the section substantial middle for collecting in sound-insulating member.Because concentrate sound wave interfere, It cancels out each other, so good soundproof effect can be obtained.

Because the sound arrester of the utility model will not absorb moisture as sound-absorbing material, though rain or It snows, soundproof effect will not reduce, and sound-insulating member will not be deteriorated sharp, therefore can chronically maintain sound insulation value.Cause This, it is not necessary to it is continually safeguarded, it is possible to always obtain good soundproof effect.

Particularly, the sound-insulating member of the sound arrester of the utility model, on the one hand, due to the bending angle of part bending section It it is 142 °, noise can be reflected when advancing to the direction of sound-insulating member in a manner of effectively collecting, and can obtain maximum Interference.On the other hand, the first facial of sound-insulating member and the 6th facial level arrangement, that is, with adjacent second face and the For five faces respectively into 147 °, this sound-insulating member for making to be stacked up and down is not only able to face contact, and completely eliminates the two angles Degree be designed as must occurring in 142 ° of existing design by polyhedral first facial below adjacent and multi-panel above 6th face of body, the 7th facial section surrounded jointly gap triangular in shape, this gap will be arranged in so as to eliminate In seal member.This aspect has saved material, on the other hand also reduces maintenance cost, extends maintenance period.Moreover, Face contacts so that sound-insulating member stacked on top of one another assembles to form more firm structure.

Further, in the sound arrester of the utility model, the side block lid at sound-insulating member and its both ends is designed to split type , and the opening of sound-insulating member also no longer slightly inwardly receives because of being designed to 147 ° but level, therefore, the utility model Sound-insulating member can in transportational process intussusception and achieve the effect that save transport space.

Under the prior art, due to being imitated for sound by the way that the noise of realization is interfered to reduce after polyhedral multiple plane reflections Fruit understanding is insufficient, therefore the angle between all faces is all strictly specially kept equal, that is, 142 °, and the utility model The sound-insulating member of sound arrester then overcome this technology prejudice.This technology prejudice be not easily against because this The understanding for the principle that field technology personnel reflect sound wave just requires all faces to be kept for 142 ° first.Just because of this, originally It is three that field technology personnel, which are also only contemplated when such technical solution obtains unfavorable line contact and non-face contact in section, The interior bending angle for adding seal member and sound-insulating member dare not being changed of angular domain.

Sound-insulating member is clamped in the clamping part at both ends between the edge of a wing of H-type component, and in a manner of stacking Continuously clamping installs the sound-insulating member and forms sound arrester, and assembling operation is good, can easily be assembled, and And because sound-absorbing material is not used, weight is also light, more durable, environmentally friendly, can realize the mesh for further improving workability , the new component for being used to be fixed on sound-insulating member on H-type component is not needed to, is had in terms of transporting with component management yet Good convenience.Preferably, the clamping part at the sound-insulating member both ends by notch is set formed than it is described every The narrower width of the main body of line part, so that sound-insulating member is inserted into narrower H-type component.This realizes H-type component Volume-diminished and light-weighted possibility.

Because sound-insulating member easily standardizes, during processing, stamping, extrusion molding can be passed through, the side such as pull shapes Processing is formed in formula, can accomplish scale volume production.Moreover, in forming, because sound-insulating member length can be adjusted suitably, So sound-insulating member can widely adapt to the interval variation of H-type component.

In the case where breakage has occurred in sound-insulating member, because sound-absorbing material is not used, do not need to give up as industry Gurry is handled, and is used as plank recycling,

The place that noise of the sound arrester of the present invention other than super expressway or railway occurs also can widely utilize And obtain soundproof effect.Furthermore it is possible to the polyhedron-shaped of the sound arrester of the present invention is needed to drop applied to various The place of low noise.

In addition, in the sound arrester of the utility model, although in the case where providing the 7th face 101g, it can be direct With the front towards sound source of the sound-insulating member of the face covering lower part of the sound-insulating member on top, eliminate sealing element and seal more It is good, but the 7th face 101g of outward bending can not also be provided, at this moment, due to by the faces of first facial 101a and second The the first bending section 102d and by the 5th face faces of 101e and the 6th 101f the 5th bending section 102e formed be that 101b is formed 147 ° rather than 142 °, thus be that the 6th face 101f of the sound-insulating member on horizontally disposed top can directly and lower part The first facial 101a of sound-insulating member directly fit and make sound that can not leak through.This realizes more simplified structure, especially It is when the material of sound-insulating member is not suitable in progress quarter bend folding in short length, this design is with prominent beneficial effect Fruit.

Sound arrester according to the present utility model can not only have good soundproof effect, and be simple to manufacture, and install Easily, there is preferable stability, convenient later maintenance.

Description of the drawings

Fig. 1 illustrates the side sectional view of the sound-insulating member of the sound arrester of the utility model；

Fig. 2 illustrates the partial approach figure of the sound-insulating member of the sound arrester of the utility model

Fig. 3 illustrates the side sectional view of the sound arrester of the utility model

Fig. 4 illustrates the H-type component of the sound arrester of the utility model and the structure chart of sound-insulating member

Fig. 5 illustrates the structure chart of the side block lid of the sound-insulating member of the sound arrester of the utility model

Fig. 6 illustrates the reinforcing member structure chart of the sound-insulating member of the sound arrester of the utility model

Fig. 7 illustrates the partial enlarged view of the side, sectional of the sound arrester of the utility model

Fig. 8 illustrates the outdoor test layout drawing of the sound arrester of the utility model

Fig. 9 illustrates the schematic diagram of the noise measuring experiment of the utility model

Figure 10 illustrates the structure chart of the sound-insulating member of sound barrier of the prior art

Specific embodiment

The sound arrester of the utility model is discussed in detail below in conjunction with attached drawing.It should be noted that attached drawing is given for example only Explanation, it is impossible to be construed as a limitation of the present invention.

Fig. 1 illustrates the side sectional view of the sound-insulating member of the sound arrester of the utility model, as shown in Figure 1, it is described every Line part 100 is polyhedron-shaped in strip, the sound-insulating member 100 by facial 101a, 101b, 101c, 101d, 101e, 101f, 101g and bending section 102a, 102b, 102c, 102d, 102e, 102f are formed, wherein, bending section 102a, 102b, 102c In 142 °, bending section 102d, 102e are in 147 °, and bending section 102f is in 90 °, and during installation, facial 101a is horizontal positioned, sound proof part The opening that presents is towards sound source side after part is bent by above-mentioned predetermined angular.

Fig. 2 schematically shows the partial enlarged view of the sound-insulating member of the sound arrester of the utility model, such as Fig. 2 institutes Show, at the both ends of sound-insulating member 100, be provided with clamping part 103.This clamping part 103 is by the two of sound-insulating member 100 End setting notch 104 formed, this notch 104 be so that clamping part 103 width than between the edge of a wing of H-type component away from It cuts away what material formed along the width direction L1 of sound-insulating member 100 from slightly smaller mode, is clamped by this notch 104 Portion 103 is inserted into the region between the edge of a wing of H profile steel；The length of notch 104 is L2, and L2 should be less than the wing of H-type component The length of edge so that the length L2 of notch 104 extend into the region between the edge of a wing of H-type component without or at most just The web of H-type component is contacted, still, between the outside of the clamping part 103 of sound-insulating member 100 and the web of H-type component preferably Have certain distance, in this way, even if between H-type component there are installation dimension error, which nor affects on the peace of sound arrester Dress.

Fig. 3 illustrates the side sectional view of the sound arrester of the utility model, as shown in figure 3, sound-insulating member 100 is to pass through The clamping part 103 at both ends is inserted into respectively and is clamped in region and general between the edge of a wing for the H-type component 107 for being erected in ground This sound-insulating member 100, which stacks gradually to be fixedly mounted on, forms the sound arrester with appropriate height between H-type component 107 , built-in fitting 112 is provided in basis 113, built-in fitting 112 is fixedly connected with H-type component 107, in the present embodiment, layer Folded an appropriate number of sound-insulating member 100 forms the sound arrester that height is about 3000mm.H is clamped in by clamping part 103 Between the edge of a wing of type component 107, sound-insulating member 100 is defined between two H-type components 107.

When sound-insulating member 100 is laminated, by the first facial 101a of sound-insulating member 100 above with it is following every 6th face 101f of line part 100 is bonded contact each other, and the 6th face 101f of sound-insulating member 100 above can be blocked Gap between upper and lower sound-insulating member, the 6th face 101f and the following sound-insulating member outer ledge of sound-insulating member 100 above Contact, it is compacter between sound-insulating member when mounted, while also function to the effect being mutually positioned between upper and lower sound-insulating member.

Sound-insulating member 100 is installed between the H-type component continuously set, is continuously set along the laying of highway or track. The open side of sound-insulating member 100 is installed towards sound source side, and the sound wave transmitted from sound source can be made to pass through the face of sound-insulating member 100 It is interfered after 101a, 101b, 101c, 101d, 101e, 101f reflection, thus, it is possible to reduce noise.

Fig. 4 illustrates the partial enlarged view of the side, sectional of the sound arrester of the utility model, as shown in figure 4, it is described every The inside of the clamping part 103 of line part 100 is equipped with side block lid 105 in advance, then by side block lid 105 and sound-insulating member 100 1 It rises and extend into the region between the edge of a wing of H-type component 107, wherein, there are one between the web of side block lid 105 and H-type component 107 Set a distance.It can not be installed in order to avoid interferenceing with the chamfering of the web edge, the length of the notch 104 of clamping part 103 Degree L2 should be greater than H-type component 107 the edge of a wing length so that clamping part 103 smoothly extend into H-type component 107 the edge of a wing it Between.

Fig. 5 illustrates the structure chart of the side block lid of the sound-insulating member of the sound arrester of the utility model, as shown in figure 5, should During installation, at the both ends of sound-insulating member 100, it is fixed to pass through spot welding or bolt etc. for one side opening of side block lid, opposite side closing Mode is mounted on side block lid 105, so as to make the end of the clamping part 103 of the side block lid 105 covering sound-insulating member 100, thus Enclose the both ends of sound-insulating member 100, it is therefore prevented that sound, in addition, by the way that side block lid 105 is fixedly mounted, is improved from end side leakage The rigidity and stability of sound-insulating member 100, further prevents sound-insulating member 100 to deform.

Fig. 6 illustrates the reinforcing member structure chart of the sound-insulating member of the sound arrester of the utility model, described as shown in Fig. 6 Reinforcing member 106 is that section is triangular in shape or the sheet metal component of polygon, reinforcing member 106 are set to 100 both ends of sound-insulating member Clamping part 103 and H-type component 107 the edge of a wing between gap in, wherein, two faces of reinforcing member 106 respectively with upside Second face 101b angles of the 5th face 101e of sound-insulating member 100 and the sound-insulating member 100 of downside adaptably forming face In addition connection is connected with the edge of a wing of H-type component 107 there are one face, by the clamping part 103 in the sound-insulating member 100 and Many places set reinforcing member 106 between the edge of a wing of H-type component 107, enhance sound-insulating member 100 and the connection of H-type component 107 is strong Degree improves the rigidity and stability of sound arrester.

Fig. 7 illustrates the broken section enlarged drawing at the both ends of the sound arrester of the utility model, as shown in Fig. 7, in institute The both sides for stating sound-insulating member 100 are provided with side block lid 105, reinforcing member 106 be arranged in H types component 107 and sound-insulating member 100 it Between, H-type component 107 with sound-insulating member 100 is securely connect by bolt, improves sound arrester overall stability.Also, In the inside of H-type component 107, cushion is provided between the H-type component 107 and the open side of the sound-insulating member 100 Piece 115, for preventing the leakage of noise so that noise is interfered between each face of the sound-insulating member 100 and eliminated.

Fig. 8 illustrates the outdoor test layout drawing of the sound arrester of the utility model, as shown in figure 8, noise level measurement is tested In sound source, sound-proof wall, sound receiving point configuration.Sound source uses point sound source, is represented in figure with solid diamond, is arranged on ground It is 0.5 meter high on face, there are 7.5 meters away from sound-proof wall.Sound receiving point is configured in different effect and confirms in measurement point, they from Sound-proof wall has different distance and height.It is illustrated in figure with dotted rectangle and is built up in sound source both sides, in test for preventing The only side noise barrier of side sounds interference.Effect more than oblique dotted line confirms measurement point for visible sound source portion, oblique dotted line Following effect confirms that measurement point is sound dash area.

Table 1 represents that each effect confirms the experimental data of measurement point, and negative value is and the traditional sound barrier with sound-absorbing material Difference, represent that noise figure is less than traditional sound barrier, the numerical value in hatched box is sound dash area difference, is to generate refraction The region of loss, the results show that compared with traditional sound barrier with sound-absorbing material, area that not only sound source and measurement point can't see The noise reduction coefficient in domain (in sound dash area, i.e. hatched box region) is big, and region can be seen (in un-shaded cells subregion) Noise reduction coefficient is also apparent from.It is kept experiments have shown that this sound arrester has reached all stringent between all faces of sound-insulating member The comparable technique effect of technical solution of 142 ° of equal angles, no matter in sound compared with traditional sound barrier with sound-absorbing material Dash area or sound source visibility region both provide good noise reduction.

Table 1

The preferred embodiment of the utility model is described above, but the spirit and scope of the utility model are not limited to here Disclosed particular content.Those skilled in the art can it is according to the present utility model introduction and make more embodiments and Using these embodiments and application are all in the spirit and scope of the utility model.The spirit and scope of the utility model are not It is limited, and is defined by the claims by specific embodiment.

Reference numerals list

100 sound-insulating members

101a first facials,

The second faces of 101b,

101c thirds face,

101d fourth faces portion,

The 5th faces of 101e,

The 6th faces of 101f,

The 7th faces of 101g,

The second bending sections of 102a,

102b thirds bending section,

The 4th bending sections of 102c,

The first bending sections of 102d,

The 5th bending sections of 102e,

The 6th bending sections of 102f,

103 clamping parts,

104 notch,

105 side block lids,

106 reinforcing members,

107 H-type component columns,

108 through holes,

109 rope form parts,

110 wide diameter portions,

111 installing pipes,

112 built-in fittings,

113 bases,

114 sound barriers,

115 elastomeric pads,

201 the 5th faces,

202 the 6th faces,

203 the 7th faces,

204 sealing elements,

205 first facials,

206 second faces,

207 columns.

Claims (8)

1. a kind of sound arrester, which includes several sound-insulating members,

It is characterized in that：

The sound-insulating member (100) in the polyhedron-shaped of strip, including first facial (101a), second facial (101b), Third face (101c), fourth face portion (101d) and the 5th facial (101e) and the 6th facial (101f), wherein, by first facial The first bending section (102d) that (101a) and second facial (101b) are formed and facial by the 5th facial (101e) and the 6th The 5th bending section (102e) that (101f) is formed is 147 °, and in second facial (101b), third facial (101c), fourth face portion The second bending section (102a) for being sequentially formed between (101d) and the 5th facial (101e), third bending section (102b) and the 4th are curved Pars convoluta (102c) is then 142 °；

Wherein, which further includes the shape at the both ends of shape and the sound-insulating member (100) and is adapted and one end is closed Side block lid (105), nested encryptions and be fixedly mounted respectively in the clamping part (103) at the both ends of the sound-insulating member (100) One side block lid, so as to close the both ends of the sound-insulating member (100)；

Each sound-insulating member (100) be sequentially stacked in a manner that first facial (101a) is horizontal positioned two according to the rules between Between the pillar of arrangement, it is open towards sound source side, wherein, the first facial (101a) of each sound-insulating member (100) above Fitting contacts each other with the 6th facial (101f) of following sound-insulating member (100).

2. sound arrester according to claim 1, which is characterized in that

The pillar is H-type component (107), and each sound-insulating member (100) is inserted between the edge of a wing of H-type component (107) Region.

3. sound arrester according to claim 1 or 2, which is characterized in that

The sound arrester further includes the 7th facial (101g), and the 7th facial (101g) is connected with the described 6th facial (101f) And it is bent outside to the sound-insulating member (100).

4. sound arrester according to claim 2, which is characterized in that

The sound-insulating member (100) is in the clamping part for being provided at both ends with width and being adapted for insertion between the edge of a wing of H-type component (107) (103)。

5. sound arrester according to claim 4, which is characterized in that

The sound arrester also has reinforcing member (106), and the reinforcing member section is triangular in shape or polygon, the reinforcing member With facial with the second of the 5th facial (101e) of sound-insulating member (100) above and following sound-insulating member (100) respectively (101b) angle two faces that adaptably forming face connects, to be also adapted there are one tool with the edge of a wing angle of H-type component (107) The face of ground forming face connection,

Wherein, the reinforcing member (106) is set to the clamping part (103) at the sound-insulating member (100) both ends and the H-type component (107) it in the gap between the edge of a wing, is securely connect with sound-insulating member (100) and H-type component (107) formation.

6. sound arrester according to claim 1, which is characterized in that

The side block lid be bonded, weld or bolt fixed mode be mounted on the sound-insulating member (100) both ends clamping part (103) in.

7. sound arrester according to claim 2, which is characterized in that

In the inside of the H-type component (107), the open side of the H-type component (107) and the sound-insulating member (100) it Between be provided with elastomeric pad (115).

8. sound arrester according to claim 4, which is characterized in that

Clamping part (103) at the sound-insulating member (100) both ends is formed by setting notch than the sound-insulating member The narrower width of main body.