CN107630412A - A kind of absorbing sound and lowering noise device - Google Patents
A kind of absorbing sound and lowering noise device Download PDFInfo
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- CN107630412A CN107630412A CN201711088206.4A CN201711088206A CN107630412A CN 107630412 A CN107630412 A CN 107630412A CN 201711088206 A CN201711088206 A CN 201711088206A CN 107630412 A CN107630412 A CN 107630412A
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Abstract
The present invention relates to a kind of absorbing sound and lowering noise device, in particular it is a kind of absorbing sound and lowering noise device, including fixed frame plate, anticollision sound-absorbing component and silencing block, the fixed frame plate includes rear sound panel, left fixed plate, right fixed plate and multiple sound wave reflection pillars, the left and right ends of sound panel are respectively fixedly connected with left fixed plate and right fixed plate after described, and multiple sound wave reflection pillars are evenly arranged with the front end face of the rear sound panel；The sound wave reflection pillar includes support column and polygonal pyramid, and the polygonal pyramid is fixedly connected on one end of support column, and the other end of support column is fixedly connected on rear sound panel；Multiple anticollision sound-absorbing components are provided between the left fixed plate and right fixed plate, the quantity of the anticollision sound-absorbing component is identical with the quantity of sound wave reflection pillar；A kind of absorbing sound and lowering noise device, its advantage are：With splendid sound insulation and noise reduction effect, and cushioning effect can be played when being hit.
Description
Technical field
The present invention relates to a kind of absorbing sound and lowering noise device, is in particular a kind of absorbing sound and lowering noise device.
Background technology
When sound insulation refers to that sound wave is propagated in atmosphere, with the energy of the various material consumption sound waves for easily absorbing energy, make sound
The measure that can be stopped in route of transmission and can not directly passed through.Such as number of patent application is CN201510716078.8's
A kind of highway baffle, including column, crossbeam, anti-collision structure, rubber vibration isolation layer and Felt.Wherein, anti-collision structure
On the outside of road, its top is provided with rubber vibration isolation layer；Column is multiple, positioned at the outside of anti-collision structure；Adjacent column
Between by positioned at sustained height crossbeam connection；Column is inverted L-shaped, including column vertical portion and column at the top of it is horizontal
Portion, the two is fixedly connected；The bottom of column vertical portion is fixedly connected with basis, and the lower end of column vertical portion is provided with column
Corner ribs.The invention noise reduction is notable, but can not play cushioning effect when by impact.
The content of the invention
It is an object of the invention to provide a kind of absorbing sound and lowering noise device, there is splendid sound insulation and noise reduction effect, and can be
Play cushioning effect when being hit, and by damage bad members can independent dismounting and change, dropped without whole sound-absorbing is changed
Make an uproar device, there is higher economic value and wide applicability.
The purpose of the present invention is achieved through the following technical solutions：
A kind of absorbing sound and lowering noise device, including fixed frame plate, anticollision sound-absorbing component and silencing block, after the fixed frame plate includes
Sound panel, left fixed plate, right fixed plate and multiple sound wave reflection pillars, the left and right ends of the rear sound panel are respectively fixedly connected with a left side
Fixed plate and right fixed plate, it is described to be evenly arranged with multiple sound wave reflection pillars on the front end face of sound panel afterwards；The sound wave reflection
Post includes support column and polygonal pyramid, and the polygonal pyramid is fixedly connected on one end of support column, and the other end of support column is fixedly connected
On rear sound panel；Multiple anticollision sound-absorbing components, the anticollision sound-absorbing group are provided between the left fixed plate and right fixed plate
The quantity of part is identical with the quantity of sound wave reflection pillar, and the multiple anticollision sound-absorbing component is oppositely arranged with multiple sound wave reflection pillars,
It is slidably connected between described multiple anticollision sound-absorbing components, the anticollision contacted in the multiple anticollision sound-absorbing component with left fixed plate
Sound-absorbing component slippage is connected in left fixed plate, the anticollision sound-absorbing group contacted in the multiple anticollision sound-absorbing component with right fixed plate
Part is slidably connected in right fixed plate, and the rear end of the anticollision sound-absorbing component is fixedly connected with silencing block.
As the further optimization of the technical program, a kind of absorbing sound and lowering noise device of the present invention, cover in the sound wave reflection pillar
Spring is connected to, the spring is between silencing block and rear sound panel.
As the further optimization of the technical program, a kind of absorbing sound and lowering noise device of the present invention, the anticollision sound-absorbing component bag
Anticollison block I and anticollison block II are included, the anticollison block I and anticollison block II are bolted, on the anticollison block I and anticollison block II
It is provided with groove, the groove on the anticollison block I and anticollison block II combines to form jack, the cross sectional shape and branch of the jack
The cross sectional shape of dagger is identical, and the front end aperture of the jack is less than the rear end aperture of jack, the section face of the jack front end
Product is less than the area of section of support column, and the area of section of the jack rear end is more than the area of section of support column.
As the further optimization of the technical program, a kind of absorbing sound and lowering noise device of the present invention, it is provided with the anticollison block I
Upper hopper chute, left traveller and right rail, the upper end center of the anticollison block I are provided with upper hopper chute, in the left side of the anticollison block I
The heart is fixedly connected with left traveller, the centrally disposed right rail of right-hand member of the anticollison block I, be provided with the anticollison block II lower traveller,
Left chute and right traveller, the lower surface center of the anticollison block II are fixedly connected with lower traveller, in the left side of the anticollison block II
The heart sets left chute, and the center of the right side of the left chute is fixedly connected with right traveller, the upper hopper chute, right rail and left chute
Set along the axis direction of jack.
As the further optimization of the technical program, a kind of absorbing sound and lowering noise device of the present invention, in the left fixed plate uniformly
Multiple left fixed chutes and multiple left fixed travellers are provided with, the multiple left fixed chute and multiple left fixed traveller intervals are handed over
For distribution；Multiple right fixed travellers and multiple right fixed chutes, the multiple right fixation are evenly arranged with the right fixed plate
Traveller and multiple right fixed chutes are in interval alternative distribution；The multiple left fixed chute is oppositely arranged with multiple right fixed travellers,
The multiple left fixed traveller is oppositely arranged with multiple right fixed chutes.
As the further optimization of the technical program, a kind of absorbing sound and lowering noise device of the present invention, the silencing block includes above disappearing
Sound block and lower silencing block, the upper silencing block are fixedly connected with lower silencing block, are formed between the upper silencing block and lower silencing block
There is polygon prism shape noise reduction cavity, the area of section of the polygon prism shape noise reduction cavity is more than the area of section of support column.
As the further optimization of the technical program, a kind of absorbing sound and lowering noise device of the present invention, the polygonal pyramid and polygon prism
The crest line quantity of shape noise reduction cavity is identical, the axis of the polygonal pyramid and the axis collinear of polygon prism shape noise reduction cavity, described more
In one crest line of the axis of pyramid, polygonal pyramid crest line and polygon prism shape noise reduction cavity is generally aligned in the same plane.
It is empty as the further optimization of the technical program, a kind of absorbing sound and lowering noise device of the present invention, the polygon prism shape noise reduction
Multiple suction holes are provided with the internal chamber wall of chamber, the suction hole is the blind hole that internal aperture is more than outside aperture.
As the further optimization of the technical program, a kind of absorbing sound and lowering noise device of the present invention, the rear sound panel is inside
The double-decker of hollow out, deadening felt is provided between the double-decker of rear sound panel.
A kind of absorbing sound and lowering noise device of the invention has the beneficial effect that：
A kind of absorbing sound and lowering noise device of the present invention, is provided with polygonal pyramid and silencing block, it is possible to achieve sound wave is in polygonal pyramid and disappears
Multiple reflections between sound block, reach the purpose that sound is gradually decayed；Multiple anticollision sound-absorbing components are provided with, and multiple anticollisions are inhaled
It is slidably connected, shock can be buffered, and can individually be dismantled by the bad anticollision sound-absorbing component of damage between sound component
Change, there is stronger safety protection function and higher economic use value, it is more suitable for road both sides and construction site etc.
Used under kind environment.
Brief description of the drawings
The present invention will be further described in detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is the overall structure diagram one of the present invention；
Fig. 2 is the overall structure diagram two of the present invention；
Fig. 3 is the fixed mount plate structure schematic diagram of the present invention；
Fig. 4 is the partial enlargement structural representation of the left fixed plate of the present invention；
Fig. 5 is the partial enlargement structural representation of the right fixed plate of the present invention；
Fig. 6 is the silencing block structural representation of the present invention；
Fig. 7 is the front view and A-A faces half sectional view of silencing block of the present invention；
Fig. 8 is the anticollision sound-absorbing component structure diagram of the present invention；
Fig. 9 is the structural representation one of anticollison block I of the present invention；
Figure 10 is the structural representation two of anticollison block I of the present invention；
Figure 11 is the structural representation one of anticollison block II of the present invention；
Figure 12 is the structural representation two of anticollison block II of the present invention；
Figure 13 is the half section schematic diagram of anticollision sound-absorbing component of the present invention；
Figure 14 is the sound wave reflection pillar structural representation of the present invention.
In figure：Fixed frame plate 1；Sound panel 1-1 afterwards；Left fixed plate 1-2；Left fixed chute 1-2-1；Left fixed traveller 1-2-
2；Right fixed plate 1-3；Right fixed traveller 1-3-1；Right fixed chute 1-3-2；Sound wave reflection pillar 1-4；Support column 1-4-1；More ribs
Bore 1-4-2；
Anticollision sound-absorbing component 2；The 2-1 of anticollison block I；Upper hopper chute 2-1-1；Left traveller 2-1-2；Right rail 2-1-3；Anticollison block II
2-2；Lower traveller 2-2-1；Left chute 2-2-2；Right traveller 2-2-3；Jack 2-3；
Silencing block 3；Upper silencing block 3-1；Lower silencing block 3-2；Suction hole 3-3.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment one：
Illustrate present embodiment, a kind of absorbing sound and lowering noise device, including fixed frame plate 1, anticollision sound-absorbing with reference to Fig. 1-14
Component 2 and silencing block 3, the fixed frame plate 1 include rear sound panel 1-1, left fixed plate 1-2, right fixed plate 1-3 and multiple sound waves
Reflection pillar 1-4, the left and right ends of the rear sound panel 1-1 are respectively fixedly connected with left fixed plate 1-2 and right fixed plate 1-3, described
Multiple sound wave reflection pillar 1-4 are evenly arranged with sound panel 1-1 front end face afterwards, the multiple sound wave reflection pillar 1-4 is used for will
Sound wave is reflected, and then weakens the transmission of sound；
The sound wave reflection pillar 1-4 includes support column 1-4-1 and polygonal pyramid 1-4-2, and the polygonal pyramid 1-4-2 is fixedly connected
In support column 1-4-1 one end, the support column 1-4-1 other end is fixedly connected on rear sound panel 1-1, the polygonal pyramid 1-4-
2 effect is to be reflected side of the sound along polygonal pyramid 1-4-2, can weaken the transmission of sound, and the right side can make sound wave
Reflex on silencing block 3, avoid sound from reflexing to Sounnd source direction again and cause noise superposition to trigger bigger noise；
Multiple anticollision sound-absorbing components 2, the anticollision sound-absorbing are provided between the left fixed plate 1-2 and right fixed plate 1-3
The quantity of component 2 is identical with sound wave reflection pillar 1-4 quantity, the multiple anticollision sound-absorbing component 2 and multiple sound wave reflection pillar 1-4
Be oppositely arranged, be slidably connected between described multiple anticollision sound-absorbing components 2, in the multiple anticollision sound-absorbing component 2 with left fixation
The anticollision sound-absorbing component 2 of plate 1-2 contacts is slidably connected on left fixed plate 1-2, is consolidated in the multiple anticollision sound-absorbing component 2 with the right side
The anticollision sound-absorbing component 2 of fixed board 1-3 contacts is slidably connected on right fixed plate 1-3, and the rear end of the anticollision sound-absorbing component 2 is fixed
Silencing block 3 is connected with, when the present apparatus works, sound is incoming through multiple anticollision sound-absorbing components 2, anti-through multiple sound wave reflection pillar 1-4
It is transferred to after penetrating on silencing block 3, sound wave gradually weakens in silencing block 3 and sound wave reflection pillar 1-4 multiple reflections, so as to realize noise reduction
Function；Multiple anticollision sound-absorbing components 2 are slidably connected to the front end of fixed frame plate 1 when device is installed simultaneously, when multiple anticollisions
When the front end of sound-absorbing component 2 is hit, the generation between anticollision sound-absorbing component 2 and fixed frame plate 1 is slided, multiple anticollision sound-absorbings
Between component 2 also produce slip, with this to hit produce cushioning effect, force of sliding friction then as buffer damping force, favorably
In protection device, mitigate and hit the damage to caused by device.
Embodiment two：
Illustrate present embodiment with reference to Fig. 1-14, present embodiment is described further to embodiment one, described
Spring is socketed with sound wave reflection pillar 1-4, the spring is located between silencing block 3 and rear sound panel 1-1, and spring can be inhaled in anticollision
Sound component 2 plays more preferably cushioning effect when being hit, and anticollision sound-absorbing component 2 can be made not to be impacted or extrude feelings
Device front end is always positioned under condition, makes the spacing between silencing block 3 and sound wave reflection pillar 1-4 be able to ensure that sound wave through polygonal pyramid 1-
4-2 is reflexed on silencing block 3.
Embodiment three：
Illustrate present embodiment with reference to Fig. 1-14, present embodiment is described further to embodiment one, described
Anticollision sound-absorbing component 2 includes the 2-1 of anticollison block I and anticollison block II 2-2, the 2-1 of anticollison block I and anticollison block II 2-2 pass through bolt
Connection, is provided with groove on the 2-1 of anticollison block I and anticollison block II 2-2, on the 2-1 of anticollison block I and anticollison block II 2-2
Groove combine to be formed jack 2-3, the jack 2-3 cross sectional shape it is identical with support column 1-4-1 cross sectional shape, it is described insert
Hole 2-3 front end aperture is less than jack 2-3 rear end aperture, and the area of section of the jack 2-3 front ends is less than support column 1-4-1
Area of section, the areas of section of the jack 2-3 rear ends is more than support column 1-4-1 area of section；When anticollision sound-absorbing component 2
During by hitting slip to the back-end, support column 1-4-1 insertion jack 2-3, and be finally plugged in jack 2-3, ensured with this more
Pyramid 1-4-2 will not pass from jack 2-3 front ends, prevent polygonal pyramid 1-4-2 from being collided with collision thing；And jack 2-3's
Rear end aperture of the front end aperture less than jack 2-3 is advantageously implemented before the sound right side to rear unidirectional delivery, prevents sound from launching to sound
Source direction；Jack 2-3 aperture area is more than the front end face of anticollision sound-absorbing component 2 on the front end face of the anticollision sound-absorbing component 2
The 40% of area, ensure that most sound waves are passed to silencing block 3 by jack 2-3 with this, so as to improve erasure effect.
Embodiment four：
Illustrate present embodiment with reference to Fig. 1-14, present embodiment is described further to embodiment three, described
Upper hopper chute 2-1-1, left traveller 2-1-2 and right rail 2-1-3 are provided with the 2-1 of anticollison block I, in the upper end of the 2-1 of anticollison block I
The left side center that the heart is provided with upper hopper chute 2-1-1, the 2-1 of anticollison block I is fixedly connected with left traveller 2-1-2, the anticollison block I
Be provided with 2-1 right-hand member centrally disposed right rail 2-1-3, the 2-2 of anticollison block II lower traveller 2-2-1, left chute 2-2-2 and
Right traveller 2-2-3, the 2-2 of anticollison block II lower surface center are fixedly connected with lower traveller 2-2-1, the 2-2's of anticollison block II
The centrally disposed left chute 2-2-2 in left side, the center of the right side of the left chute 2-2-2 are fixedly connected with right traveller 2-2-3, institute
Upper hopper chute 2-1-1, right rail 2-1-3 and left chute 2-2-2 is stated to set along jack 2-3 axis direction；When anticollision sound-absorbing group
When part 2 is by slip to the back-end is hit, with the multiple anticollision sound-absorbing components 2 being slidably connected by the anticollision sound-absorbing component 2 hit
It can share impact, damping force of the force of sliding friction between multiple anticollision sound-absorbing components 2 as buffering collision of closed, Duo Gefang
The spring in the combination embodiment two of sound-absorbing component 2 is hit, more preferably cushioning buffer effect can be played；And be impacted damage
Anticollision sound-absorbing component 2 can independent dismounting and change, without changing whole absorbing sound and lowering noise device.
Embodiment five：
Illustrate present embodiment with reference to Fig. 1-14, present embodiment is described further to embodiment one, described
Multiple left fixed chute 1-2-1 and multiple left fixed traveller 1-2-2 are evenly arranged with left fixed plate 1-2, it is the multiple left solid
Determine chute 1-2-1 and multiple left fixed traveller 1-2-2 are in interval alternative distribution；It is evenly arranged with the right fixed plate 1-3 multiple
Right fixed traveller 1-3-1 and multiple right fixed chute 1-3-2, the multiple right fixed traveller 1-3-1 and multiple right fixed chutes
1-3-2 is in interval alternative distribution；The multiple left fixed chute 1-2-1 is oppositely arranged with multiple right fixed traveller 1-3-1, described more
Individual left fixed traveller 1-2-2 and multiple right fixed chute 1-3-2 are oppositely arranged；The left traveller 2-1-2 and left chute 2-2-2 points
It is not slidably connected with left fixed chute 1-2-1 and left fixed traveller 1-2-2, the right rail 2-1-3 and right traveller 2-2-3 difference
It is slidably connected with right fixed traveller 1-3-1 and right fixed chute 1-3-2.
Embodiment six：
Illustrate present embodiment with reference to Fig. 1-14, present embodiment is described further to embodiment one, described
Silencing block 3 includes upper silencing block 3-1 and lower silencing block 3-2, and the upper silencing block 3-1 is fixedly connected with lower silencing block 3-2, described
Formed with polygon prism shape noise reduction cavity, the section of the polygon prism shape noise reduction cavity between upper silencing block 3-1 and lower silencing block 3-2
Area is more than support column 1-4-1 area of section；The sound wave reflected through polygonal pyramid 1-4-2 is transferred to polygon prism shape noise reduction cavity
It is interior, and through multiple reflections between polygonal pyramid 1-4-2 and polygon prism shape noise reduction cavity inner wall, so as to gradual dyingout.
Embodiment seven：
Illustrate present embodiment with reference to Fig. 1-14, present embodiment is described further to embodiment six, described
Polygonal pyramid 1-4-2 is identical with the crest line quantity of polygon prism shape noise reduction cavity, and axis and the polygon prism shape of the polygonal pyramid 1-4-2 disappear
The axis collinear of sound cavity, the axis of the polygonal pyramid 1-4-2, a polygonal pyramid 1-4-2 crest line and the noise reduction of polygon prism shape are empty
In one crest line of chamber is generally aligned in the same plane；It can realize that the sound wave through polygonal pyramid 1-4-2 reflections reflexes to polygon prism shape with this
On the inwall of noise reduction cavity, sound wave can be made continuous opposite anti-between polygonal pyramid 1-4-2 and polygon prism shape noise reduction cavity inner wall
Penetrate.
Embodiment eight：
Illustrate present embodiment with reference to Fig. 1-14, present embodiment is described further to embodiment six, described
Multiple suction hole 3-3 are provided with the internal chamber wall of polygon prism shape noise reduction cavity, the suction hole 3-3 is that internal aperture is more than outside
The blind hole in aperture, the sound wave through polygonal pyramid 1-4-2 reflections are passed in suction hole 3-3, and sound can be realized inside suction hole 3-3
Further decay.
Embodiment nine：
Illustrate present embodiment with reference to Fig. 1-14, present embodiment is described further to embodiment one, described
Sound panel 1-1 is the double-decker of internal hollow out afterwards, is provided with deadening felt between rear sound panel 1-1 double-decker, after every
The further decay of sound can be realized in the presence of deadening felt internal with it soundboard 1-1.
A kind of absorbing sound and lowering noise device of the present invention, its operation principle are：Device is in use, can fix fixed frame plate 1
Installed in both sides of the road or the building site periphery of sound insulation and noise reduction is needed, sound is incoming through multiple anticollision sound-absorbing components 2, through multiple sound waves
It is transferred to after reflection pillar 1-4 reflections on silencing block 3, sound wave gradually weakens in silencing block 3 and sound wave reflection pillar 1-4 multiple reflections,
So as to realize silencing function；Before multiple anticollision sound-absorbing components 2 are slidably connected at into fixed frame plate 1 when device is installed simultaneously
End, when the front end of multiple anticollision sound-absorbing components 2 is hit, the generation between anticollision sound-absorbing component 2 and fixed frame plate 1 is slided
It is dynamic, slip is also produced between multiple anticollision sound-absorbing components 2, cushioning effect is produced to hitting with this, force of sliding friction is then as slow
The damping force of punching, be advantageous to protection device, mitigate and hit the damage to caused by device；It is socketed with the sound wave reflection pillar 1-4
Spring, the spring are located between silencing block 3 and rear sound panel 1-1, and spring can play when anticollision sound-absorbing component 2 is hit
More preferably cushioning effect, and anticollision sound-absorbing component 2 can be made to be always positioned at device front end in the case of not being impacted or extruding,
The spacing between silencing block 3 and sound wave reflection pillar 1-4 is set to be able to ensure that sound wave is reflexed on silencing block 3 through polygonal pyramid 1-4-2；When
When anticollision sound-absorbing component 2 is by slip to the back-end is hit, support column 1-4-1 insertion jack 2-3, and finally it is plugged on jack 2-3
It is interior, ensure that polygonal pyramid 1-4-2 will not pass from jack 2-3 front ends with this, prevent polygonal pyramid 1-4-2 from being collided with collision thing；
And rear end aperture of the jack 2-3 front end aperture less than jack 2-3 is advantageously implemented before the sound right side to rear unidirectional delivery, is prevented
Sound is launched to Sounnd source direction；Jack 2-3 aperture area is more than anticollision sound-absorbing group on the front end face of the anticollision sound-absorbing component 2
The 40% of the front end face area of part 2, ensure that most sound waves are passed to silencing block 3 by jack 2-3 with this, so as to improve noise reduction effect
Fruit；It is more with being slidably connected by the anticollision sound-absorbing component 2 hit when anticollision sound-absorbing component 2 is by slip to the back-end is hit
Individual anticollision sound-absorbing component 2 can share impact, and the force of sliding friction between multiple anticollision sound-absorbing components 2 is used as buffering collision of closed
Damping force；The suction hole 3-3 is the blind hole that internal aperture is more than outside aperture, and the sound wave through polygonal pyramid 1-4-2 reflections passes
Enter in suction hole 3-3, the further decay of sound can be realized inside suction hole 3-3；Inside rear sound panel 1-1 and its
The further decay of sound can be realized in the presence of deadening felt.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention, fall within the guarantor of the present invention
Protect scope.
Claims (9)
1. a kind of absorbing sound and lowering noise device, including fixed frame plate (1), anticollision sound-absorbing component (2) and silencing block (3), it is characterised in that：
The fixed frame plate (1) includes rear sound panel (1-1), left fixed plate (1-2), right fixed plate (1-3) and multiple sound wave reflection pillars
(1-4), the left and right ends of the rear sound panel (1-1) are respectively fixedly connected with left fixed plate (1-2) and right fixed plate (1-3), institute
State and multiple sound wave reflection pillars (1-4) are evenly arranged with rear sound panel (1-1) front end face；
The sound wave reflection pillar (1-4) includes support column (1-4-1) and polygonal pyramid (1-4-2), and the polygonal pyramid (1-4-2) is fixed
Support column (1-4-1) one end is connected to, the other end of support column (1-4-1) is fixedly connected on rear sound panel (1-1)；
Multiple anticollision sound-absorbing components (2) are provided between the left fixed plate (1-2) and right fixed plate (1-3), the anticollision is inhaled
The quantity of sound component (2) is identical with the quantity of sound wave reflection pillar (1-4), the multiple anticollision sound-absorbing component (2) and multiple sound waves
Reflection pillar (1-4) is oppositely arranged, and is slidably connected between described multiple anticollision sound-absorbing components (2), the multiple anticollision sound-absorbing group
The anticollision sound-absorbing component (2) contacted in part (2) with left fixed plate (1-2) is slidably connected in left fixed plate (1-2), the multiple
The anticollision sound-absorbing component (2) contacted in anticollision sound-absorbing component (2) with right fixed plate (1-3) is slidably connected at right fixed plate (1-3)
On, the rear end of the anticollision sound-absorbing component (2) is fixedly connected with silencing block (3).
A kind of 2. absorbing sound and lowering noise device according to claim 1, it is characterised in that：Covered on the sound wave reflection pillar (1-4)
Spring is connected to, the spring is located between silencing block (3) and rear sound panel (1-1).
A kind of 3. absorbing sound and lowering noise device according to claim 1, it is characterised in that：The anticollision sound-absorbing component (2) includes
Anticollison block I (2-1) and anticollison block II (2-2), the anticollison block I (2-1) and anticollison block II (2-2) are bolted, described
Groove is provided with anticollison block I (2-1) and anticollison block II (2-2), on the anticollison block I (2-1) and anticollison block II (2-2)
Groove combines to form jack (2-3), and the cross sectional shape of the jack (2-3) is identical with the cross sectional shape of support column (1-4-1), institute
The front end aperture for stating jack (2-3) is less than the rear end aperture of jack (2-3), and the area of section of jack (2-3) front end is less than
The area of section of support column (1-4-1), the area of section of jack (2-3) rear end are more than the section face of support column (1-4-1)
Product.
A kind of 4. absorbing sound and lowering noise device according to claim 3, it is characterised in that：It is provided with the anticollison block I (2-1)
Upper hopper chute (2-1-1), left traveller (2-1-2) and right rail (2-1-3), the upper end center of the anticollison block I (2-1) are provided with
Chute (2-1-1), the left side center of the anticollison block I (2-1) are fixedly connected with left traveller (2-1-2), (2- of anticollison block I
1) the centrally disposed right rail of right-hand member (2-1-3), lower traveller (2-2-1), left chute are provided with the anticollison block II (2-2)
(2-2-2) and right traveller (2-2-3), the lower surface center of the anticollison block II (2-2) are fixedly connected with lower traveller (2-2-1), institute
State the centrally disposed left chute (2-2-2) in left side of anticollison block II (2-2), the center of the right side of the left chute (2-2-2)
Right traveller (2-2-3) is fixedly connected with, the upper hopper chute (2-1-1), right rail (2-1-3) and left chute (2-2-2) are along jack
The axis direction of (2-3) is set.
A kind of 5. absorbing sound and lowering noise device according to claim 1, it is characterised in that：On the left fixed plate (1-2) uniformly
It is provided with multiple left fixed chutes (1-2-1) and multiple left fixed travellers (1-2-2), the multiple left fixed chute (1-2-1)
It is in interval alternative distribution with multiple left fixed travellers (1-2-2)；It is evenly arranged with the right fixed plate (1-3) multiple right fixed sliding
Post (1-3-1) and multiple right fixed chutes (1-3-2), the multiple right fixed traveller (1-3-1) and multiple right fixed chute (1-
3-2) it is in interval alternative distribution；The multiple left fixed chute (1-2-1) is oppositely arranged with multiple right fixed travellers (1-3-1), institute
Multiple left fixed travellers (1-2-2) are stated to be oppositely arranged with multiple right fixed chutes (1-3-2).
A kind of 6. absorbing sound and lowering noise device according to claim 1, it is characterised in that：The silencing block (3) includes upper noise reduction
Block (3-1) and lower silencing block (3-2), the upper silencing block (3-1) are fixedly connected with lower silencing block (3-2), the upper silencing block
Formed with polygon prism shape noise reduction cavity, the area of section of the polygon prism shape noise reduction cavity between (3-1) and lower silencing block (3-2)
More than support column (1-4-1) area of section.
A kind of 7. absorbing sound and lowering noise device according to claim 6, it is characterised in that：The polygonal pyramid (1-4-2) and more ribs
The crest line quantity of column noise reduction cavity is identical, and the axis of the axis and polygon prism shape noise reduction cavity of the polygonal pyramid (1-4-2) is total to
Line, a rib of the axis of the polygonal pyramid (1-4-2), a crest line of polygonal pyramid (1-4-2) and polygon prism shape noise reduction cavity
In line is generally aligned in the same plane.
A kind of 8. absorbing sound and lowering noise device according to claim 6, it is characterised in that：The polygon prism shape noise reduction cavity it is interior
Multiple suction holes (3-3) are provided with cavity wall, the suction hole (3-3) is the blind hole that internal aperture is more than outside aperture.
A kind of 9. absorbing sound and lowering noise device according to claim 1, it is characterised in that：Sound panel (1-1) is inside after described
The double-decker of hollow out, deadening felt is provided between the double-decker of rear sound panel (1-1).
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| CN201711088206.4A CN107630412B (en) | 2017-11-08 | 2017-11-08 | A kind of absorbing sound and lowering noise device |
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| CN107630412B CN107630412B (en) | 2019-08-06 |
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| CN108755994A (en) * | 2018-06-11 | 2018-11-06 | 贵阳锐航智能科技有限公司 | A kind of sound insulation and noise reduction wall in mechanical processing sound-deadening and noise-reducing moving operation room |
| CN108951444A (en) * | 2018-08-13 | 2018-12-07 | 安徽中源环保科技有限公司 | A kind of open type sound arrester for high-speed rail |
| CN111335197A (en) * | 2020-04-20 | 2020-06-26 | 深圳市双禹王声屏障工程技术有限公司 | Inhibition type sound insulation screen |
| CN112049035A (en) * | 2020-09-14 | 2020-12-08 | 江西省赣江交通设施有限公司 | Light high-strength sound barrier cement board for expressway |
| CN112302417A (en) * | 2020-10-23 | 2021-02-02 | 刘倩 | Noise reduction device for roads and bridges and noise reduction use method thereof |
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| CN112302417A (en) * | 2020-10-23 | 2021-02-02 | 刘倩 | Noise reduction device for roads and bridges and noise reduction use method thereof |
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| Publication number | Publication date |
|---|---|
| CN107630412B (en) | 2019-08-06 |
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