CN212533787U - Honeycomb noise reduction and elimination plate for high-speed railway - Google Patents
Honeycomb noise reduction and elimination plate for high-speed railway Download PDFInfo
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- CN212533787U CN212533787U CN202021189714.9U CN202021189714U CN212533787U CN 212533787 U CN212533787 U CN 212533787U CN 202021189714 U CN202021189714 U CN 202021189714U CN 212533787 U CN212533787 U CN 212533787U
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Abstract
The utility model relates to a honeycomb noise reduction and silencing plate for a high-speed railway, wherein a plurality of diversion cup holes of a front panel are respectively fixed with a sound absorption and reflection cup; the sound absorption material is arranged in a cavity of the back panel, the sound absorption material is attached to the back panel surface of the back panel through the matching of a plurality of circular grooves II and a plurality of circular grooves I of the back panel, the front panel and the back panel are buckled together, folded surfaces I on two sides of the front panel are respectively inserted between two side surfaces of the sound absorption material and two side surfaces of the back panel, a plurality of sound absorption reflection cups on the front panel are respectively arranged in a plurality of grooves of flow guide cups of the sound absorption material, a U-shaped lower convex surface below the front panel is hooked on a U-shaped convex surface on one side of a lower concave surface I of the back panel, and a convex surface I on the front panel is buckled on a convex surface II on the back panel and fixed together through a rivet; a single-tube sealing rubber strip is respectively fixed on two sides of the front panel and two sides of the rear panel. The purpose of noise reduction is achieved, the noise reduction effect is good, and the effect of noise reduction is never invalid.
Description
Technical Field
The utility model relates to a noise reduction and elimination board of high-speed railway honeycomb for high-speed railway track both sides reduce the noise that produces when the high-speed railway moves.
Background
1) The original noise barrier noise reduction principle is that the traditional sound absorption and noise reduction principle which is not changed for more than one hundred years is adopted, namely, sound absorption materials and metal hole plates are used for absorbing sound, the noise reduction efficiency is low, and the failure is easy. The sound-absorbing material is blown out by powder formed by air flow impact to cause the loss of the sound-absorbing material, and meanwhile, the flow guide screen gradually loses the function of noise reduction along with the loss of the sound-absorbing material and only has the function of flow guide; under the influence of natural conditions, rainwater enters the internal sound-absorbing material through the pore plates, so that the function of the sound-absorbing material is lost; inside the dust particle got into sound absorbing material through the orifice plate, blockked up the inside sound aperture of inhaling of sound absorbing material, lead to sound absorbing material thoroughly to lose the function.
2) The acoustic board of concrete preparation, inside adds inhales the sound cotton, inhales the sound cotton and uses the plastic cloth parcel. The sound-absorbing material receives in the use wind-blowing, rainforest, and freeze thawing natural condition corrodes, and concrete panel, plastic cloth and inside sound-absorbing material can be ageing fast, receives the violent change of atmospheric pressure when temperature and high-speed train pass through simultaneously, and the plastic cloth damages to lead to inside sound-absorbing material to be blown out and the suction, causes the influence to all ring edge borders, and the function of abatvoix itself descends simultaneously, loses the function of making an uproar of absorbing gradually.
3) The utility model discloses a high-speed train passes through the high-speed train, metal abatvoix, the structure is for punching hole aluminum plate for positive panel, the backplate is ribbing aluminum plate, sound cotton is inhaled in inside packing, sound absorbing material receives the wind-blowing in the use, the rainforest, freeze thawing natural condition corrodes, glass silk cloth and inside sound absorbing material can rapid ageing receive the violent change of temperature and high-speed train atmospheric pressure when passing through, glass silk cloth damage leads to inside sound absorbing material to be blown out and the suction, cause the influence to all ring edge borders, the function decline of abatvoix itself simultaneously, lose the sound absorption and fall the function of making an.
Disclosure of Invention
In view of the actual problem that present mainstream abatvoix exists, the utility model provides a noise reduction and silencing board of high-speed railway honeycomb
The honeycomb noise reduction and sound absorption plate is suitable for honeycomb noise reduction and sound absorption plates on two sides of a high-speed railway, and various problems of the existing sound absorption plates are solved.
The utility model discloses positive panel adopts installation a plurality of sound absorption reflection cup, and in the face of the high-speed railway track, positive panel does not have any trompil, and the sound cotton of inhaling of inside packing can not be driven by the atmospheric pressure change that the train produced when high-speed process, never became invalid.
The utility model discloses back plate back design a plurality of circle recess I carries out the secondary diffuse reflection back through sound absorbing material to the noise, increases the insertion loss of sound wave. The noise reduction capability is improved.
The utility model discloses a realize that the above-mentioned technical scheme who adopts who buys is: the utility model provides a high-speed railway honeycomb noise reduction muffler which characterized in that: the sound absorption reflection cup comprises a front panel, a back panel, a sound absorption material, a single-tube sealing rubber strip and a sound absorption reflection cup;
a sound absorption reflecting cup is respectively fixed in a plurality of diversion cup holes of the front panel, and the arc-shaped cup bottom of the sound absorption reflecting cup is arranged in the cavity of the front panel;
the sound absorption material is arranged in a cavity of the back panel, the sound absorption material is matched with a plurality of circular grooves I of the back panel through a plurality of circular grooves II and is adhered to the back panel surface of the back panel, the front panel and the back panel are buckled together, folded surfaces I on two sides of the front panel are respectively inserted between two side surfaces of the sound absorption material and two side surfaces of the back panel, a plurality of sound absorption reflection cups on the front panel are respectively arranged in a plurality of guide cup grooves of the sound absorption material, the back surface of the front panel is adhered to the front surface of the sound absorption material, a U-shaped lower convex surface below the front panel is hooked on a U-shaped convex surface on one side of a lower concave surface I of the back panel, a convex surface I on the front panel is buckled on a convex surface II on the back panel, and the front panel and the back panel are fixed together through the matching of a plurality of fixing holes I on the upper convex surface I and;
the front panel of the front panel is provided with a single-tube sealing rubber strip on each of two sides, screws respectively penetrate through holes of the single-tube sealing rubber strips to be matched with the sealing rubber strip screw holes I of the front panel to be fixed on the front panel, screws respectively penetrate through holes of the single-tube sealing rubber strips to be matched with the sealing rubber strip screw holes I of the back panel to be fixed on the back panel, and screws respectively penetrate through holes of the single-tube sealing rubber strips to be matched with the sealing rubber strip screw holes II of the back panel to.
The utility model has the advantages that:
1. the honeycomb noise reduction and elimination plate for the high-speed railway is designed by adopting an acoustic principle, a plurality of sound absorption reflection cups are installed on the front surface of the front plate facing the direction of a noise source, the noise is subjected to angle reflection, and the sound wave is collided and neutralized with the noise source noise, so that the noise is greatly reduced.
2. The front face of the front panel adopts a plurality of sound absorption reflection cup structures, the contact area of noise is increased to 1.37 times of the original plane area, the wave energy consumption of the noise generated due to the increase of the area is increased, and the function of reducing the noise is achieved.
And 3, a sound absorption material is arranged in the honeycomb noise reduction and sound absorption plate of the high-speed train to absorb and weaken the noise sound wave penetrating through the front panel.
4. The backplate back adopts a plurality of round grooves of suppression I, and the shape is similar to the honeycomb nest, carries out diffuse reflection once more to the noise that sees through positive panel and sound absorbing material, and the quadratic time passes through sound absorbing material and consumes sound wave energy, improves the noise reduction level once more.
5. The sound absorption material is protected in a totally-enclosed way, the sound absorption material cannot be impacted and damaged due to natural conditions and air pressure change when a train passes through, and the honeycomb noise reduction and sound absorption plate of the high-speed railway is ensured to be permanently effective.
In a word, the utility model discloses at first thoroughly changed original principle and the structure of making an uproar and eliminating noise of falling, adopted the honeycomb structure, made noise itself carry out the offset, and the purpose of making an uproar falls in the neutralization, and the noise reduction effect is good, and never inefficacy is the substantive change of the structure of making an uproar falls in the tradition.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a side view of the structure of the present invention;
FIG. 4 is an exploded view of the structure of the present invention;
FIG. 5 is a front view of the front panel structure of the present invention;
fig. 6 is a top view of the front panel structure of the present invention;
fig. 7 is a side view of the front panel structure of the present invention;
FIG. 8 is a front view of the back plate structure of the present invention;
fig. 9 is a top view of the back plate structure of the present invention;
FIG. 10 is a side cross-sectional view of the back panel structure of the present invention;
FIG. 11 is a side cross-sectional view of the sound absorbent structure of the present invention;
fig. 12 is a sectional view of the structure of the sound absorption reflection cup of the present invention;
fig. 13 is a usage state diagram of the present invention.
Detailed Description
As shown in fig. 1 to 12, a honeycomb noise reduction and sound elimination plate for a high-speed railway comprises a front panel 1, a back panel 2, a sound absorption material 3, a single-pipe sealing rubber strip 4 and a sound absorption reflection cup 5;
the front panel 1 is rectangular, a plurality of rows of guide cup holes 1-1 are horizontally arranged on the front panel of the front panel 1 at intervals, each row of guide cup holes 1-1 are arranged at intervals, the guide cup holes 1-1 in odd rows are symmetrically arranged, the guide cup holes 1-1 in even rows are symmetrically arranged, each guide cup hole 1-1 in even rows is respectively arranged at the central position of every four guide cup holes 1-1 in adjacent odd rows, a plurality of sealing rubber strip screw holes I1-2 are vertically arranged at intervals on two sides of the front panel 1, an upper convex surface I1-3 connected with the front panel is arranged on the front panel 1, a U-shaped lower convex surface 1-4 connected with the front panel into a whole is arranged below the front panel 1, and the thickness of the U-shaped lower convex surface 1-4 is smaller than that of the upper convex surface I1-3, a plurality of fixing holes I1-3-1 are arranged on the upper convex surface I1-3 along the length direction of the front panel 1 at intervals,
the two side surfaces of the front panel 1 are folding surfaces I1-5 which are connected with the front panel into a whole, the upper end surfaces and the lower end surfaces of the folding surfaces I1-5 on the two sides are respectively in clearance fit with the upper convex surfaces I1-3 and the U-shaped lower convex surfaces 1-4, the thickness of the folding surfaces I1-5 on the two sides is the same as that of the upper convex surfaces I1-3, and the front panel, the upper convex surfaces I1-3, the folding surfaces I1-5 on the two sides and the U-shaped lower convex surfaces 1-4 of the front panel 1 form a cavity of the front panel 1.
The back plate 2 is rectangular and consists of a back plate surface 2-1, two side surfaces 2-2, an upper convex surface II 2-3 and a lower concave surface I2-4 which are connected into a whole, a plurality of rows of circular grooves I2-1-1 are horizontally arranged on the outer surface of the back plate surface 2-1 at intervals, the circular grooves I2-1-1 are embodied as circular bulges on the inner surface of the back plate surface 2-1, each row of circular grooves I2-1 are arranged at intervals, the circular grooves I2-1 in odd rows are mutually symmetrically arranged, the circular grooves I2-1-1 in even rows are mutually symmetrically arranged, each circular groove I2-1-1 in even rows is respectively arranged at the central position of every four circular grooves I2-1-1 in adjacent odd rows, a plurality of sealing rubber strip screw holes II 2-1-2 are vertically arranged at intervals on two sides of the rear plate surface 2-1 of the back plate 2;
a plurality of fixing holes II 2-3-1 are arranged on the upper convex surface II 2-3 along the length direction of the back panel 2 at intervals, and the back panel surface 2-1, the upper convex surface II 2-3, the two side surfaces 2-2 and the lower concave surface I2-4 of the back panel 2 form a cavity of the back panel 2.
The sound absorption material 3 is a rectangular body, a plurality of rows of diversion cup grooves 3-1 are horizontally arranged on the front surface body of the sound absorption material 3 at intervals, each row of diversion cup grooves 3-1 are arranged at intervals, and the diversion cup grooves 3-1 correspond to the diversion cup holes 1-1 of the front panel 1;
a plurality of rows of circular grooves II 3-2 are horizontally arranged on the rear surface body of the sound absorption material 3 at intervals, each row of circular grooves II 3-2 is arranged at intervals, and the circular grooves II 3-2 correspond to the circular grooves I2-1 of the back panel 2.
The mouth 5-1 end of the sound absorption reflection cup 5 is tubular, a circle of convex edge 5-2 is arranged outwards along the mouth 5-1, and the other end integrated with the mouth 5-1 end is an arc-shaped cup bottom 5-3.
A plurality of sound absorption reflection cups 5 are respectively arranged in a plurality of diversion cup holes 1-1 of the front panel 1, a circle of raised edges 5-2 of the plurality of sound absorption reflection cups 5 are in contact fit with the panel surface of the front panel 1, the plurality of sound absorption reflection cups 5 and the panel surface of the front panel 1 are fixed together in a welding mode along the peripheries of the raised edges 5-2, and arc-shaped cup bottoms 5-3 of the sound absorption reflection cups 5 are arranged in a cavity of the front panel 1.
The sound absorption material 3 is arranged in the cavity of the back panel 2, the sound absorption material 3 is attached to the back panel 2 through the matching of the plurality of circular grooves II 3-2 and the plurality of circular grooves I2-1-1 of the back panel 2, namely, the plurality of circular bulges on the inner surface of the back panel 2 are respectively and correspondingly inserted into the plurality of circular grooves II of the sound absorption material 3.
The front panel 1 and the back panel 2 are buckled together, namely, folding surfaces I1-5 at two sides of the front panel 1 are respectively inserted between two side surfaces of a sound absorption material 3 and two side surfaces 2-2 of the back panel 2, arc-shaped cup bottoms 5-3 of a plurality of sound absorption reflection cups 5 on the front panel 1 are respectively arranged in a plurality of guide cup grooves 3-1 of the sound absorption material 3, so that the back surface of the front panel 1 is attached to the front surface of the sound absorption material 3, a U-shaped lower convex surface 1-4 under the front panel 1 is hooked on a U-shaped convex surface 2-4-1 at one side of a lower concave surface I2-4 of the back panel 2, an upper convex surface I1-3 of the front panel 1 is buckled on an upper convex surface II 2-3 of the back panel 2 and is matched with a plurality of fixing holes I1-3-1 of the upper convex surface I1-3 and a plurality of fixing holes II 2-3-1 of the back panel 2 through pulling rivets, fixing the front panel 1 and the back panel 2 together;
the single-tube sealing rubber strip is characterized in that a single-tube sealing rubber strip 4 is respectively arranged on two sides of a front panel 1, screws respectively penetrate through holes of the single-tube sealing rubber strip 4 to be matched with a plurality of sealing rubber strip screw holes I1-2 of the front panel 1 and fixed on the front panel 1, a single-tube sealing rubber strip 4 is respectively arranged on two sides of a rear panel surface 2-1 of a rear panel 2, screws respectively penetrate through holes of the single-tube sealing rubber strip 4 to be matched with a plurality of sealing rubber strip screw holes II 2-1-2 of the rear panel 2 and fixed on the rear.
As shown in figure 13, the application method of the honeycomb noise-reducing and noise-eliminating plate for the high-speed railway comprises the steps of embedding a plurality of H steel upright posts 6 at two sides of the high-speed railway, inserting a plurality of honeycomb noise-reducing and noise-eliminating plates for the high-speed railway between the notches of two adjacent H steel upright posts 6 from bottom to top respectively, arranging an upper convex surface I1-3 at the upper part of the honeycomb noise-reducing and noise-eliminating plate for the high-speed railway at the bottom end in a lower concave surface I2-4 at the lower part of the honeycomb noise-reducing and noise-eliminating plate for the high-,
the single-tube sealing rubber strips 4 fixed on the front panel 1 and the back panel 2 of the honeycomb noise reduction and elimination plate of the high-speed railway are respectively contacted with wing plates of an H steel upright post 6 to achieve the sealing and damping effects;
noise generated when the high-speed railway operates impacts the front panel 1, the front panel 1 is provided with a plurality of sound absorption reflection cups 5 for absorbing and reflecting sound waves, and the sound waves and subsequent sound waves are subjected to opposite impact neutralization, so that the noise is reduced;
the sound absorption material 3 absorbs part of the noise penetrating through the front panel 1, consumes sound wave energy and reduces the noise again;
the back panel 2 is pressed with a plurality of circular grooves I2-1-1, the circular grooves I2-1-1 are similar to honeycomb, penetrating sound waves are subjected to diffuse reflection again, the sound absorption material 3 is subjected to absorption and consumption on noise sound waves again, and the function of reducing noise is achieved again;
through the absorption, reflection, neutralization and reabsorption of the noise sound waves, the noise generated in the running process of the high-speed railway is greatly reduced.
Claims (5)
1. The utility model provides a high-speed railway honeycomb noise reduction muffler which characterized in that: comprises a front panel (1), a back panel (2), a sound absorption material (3), a single tube sealing rubber strip (4) and a sound absorption reflection cup (5);
a sound absorption reflecting cup (5) is respectively fixed in a plurality of diversion cup holes (1-1) of the front panel (1), and an arc-shaped cup bottom (5-3) of the sound absorption reflecting cup (5) is arranged in the cavity of the front panel (1);
the sound absorption material (3) is arranged in a cavity of the back panel (2), the sound absorption material (3) is attached to the back panel (2) through the matching of a plurality of circular grooves II (3-2) and a plurality of circular grooves I (2-1-1) of the back panel (2), the front panel (1) and the back panel (2) are buckled together, folded surfaces I (1-5) on two sides of the front panel (1) are respectively inserted between two side surfaces of the sound absorption material (3) and two side surfaces (2-2) of the back panel (2), a plurality of sound absorption reflection cups (5) on the front panel (1) are respectively arranged in a plurality of diversion cup grooves (3-1) of the sound absorption material (3), the back surface of the front panel (1) is attached to the front surface of the sound absorption material (3), and a U-shaped downward convex surface (1-4) below the front panel (1) is hooked on one side of a concave surface I (2-4) below the back panel (2) The U-shaped convex surface (2-4-1), the convex surface I (1-3) on the front panel (1) is buckled on the convex surface II (2-3) on the back panel (2), and the front panel (1) and the back panel (2) are fixed together by matching of a rivet with the plurality of fixing holes I (1-3-1) of the convex surface I (1-3) and the plurality of fixing holes II (2-3-1) of the back panel (2);
the single-tube sealing rubber strip is characterized in that a single-tube sealing rubber strip (4) is arranged on each of two sides of a front panel (1), screws respectively penetrate through holes of the single-tube sealing rubber strip (4) to be matched and fixed with a plurality of sealing rubber strip screw holes I (1-2) of the front panel (1) on the front panel (1), a single-tube sealing rubber strip (4) is arranged on each of two sides of a rear panel surface (2-1) of a back panel (2), and screws respectively penetrate through holes of the single-tube sealing rubber strip (4) to be matched and fixed with a plurality of sealing rubber strip screw holes II (2-1-2) of the back panel (2) on.
2. A honeycomb noise reduction and sound elimination plate for a high speed railway according to claim 1, wherein: the front panel (1) is rectangular, a plurality of rows of guide cup holes (1-1) are horizontally arranged on the front panel of the front panel (1) at intervals, each row of guide cup holes (1-1) are arranged at intervals, odd rows of guide cup holes (1-1) are symmetrically arranged, even rows of guide cup holes (1-1) are respectively arranged at the central positions of every four adjacent odd rows of guide cup holes (1-1), a plurality of sealing rubber strip screw holes I (1-2) are vertically arranged at intervals on two sides of the front panel (1), an upper convex surface I (1-3) connected with the front panel into a whole is arranged on the front panel (1), and a U-shaped lower convex surface (1-4) connected with the front panel into a whole is arranged below the front panel (1), the thickness of the U-shaped lower convex surface (1-4) is smaller than that of the upper convex surface I (1-3), a plurality of fixing holes I (1-3-1) are arranged on the upper convex surface I (1-3) along the length direction of the front panel (1) at intervals, two side surfaces of the front panel (1) are folded surfaces I (1-5) which are connected with the front panel into a whole, the upper end surface and the lower end surface of each folded surface I (1-5) are respectively in clearance fit with the upper convex surface I (1-3) and the U-shaped lower convex surface (1-4), the thickness of each folded surface I (1-5) is the same as that of the upper convex surface I (1-3), the front panel of the front panel (1), the upper convex surface I (1-3), the two side folding surfaces I (1-5) and the U-shaped lower convex surface (1-4) form a cavity of the front panel (1).
3. A honeycomb noise reduction and sound elimination plate for a high speed railway according to claim 1, wherein: the back panel (2) is rectangular and comprises a back panel surface (2-1), two side surfaces (2-2), an upper convex surface II (2-3) and a lower concave surface I (2-4) which are connected into a whole, wherein a plurality of rows of circular grooves I (2-1-1) are horizontally arranged on the outer surface of the back panel surface (2-1) at intervals, the circular grooves I (2-1-1) are embodied on the inner surface of the back panel surface (2-1) to be round convex, each row of circular grooves I (2-1) are arranged at intervals, the circular grooves I (2-1) in odd rows are symmetrically arranged, the circular grooves I (2-1-1) in even rows are symmetrically arranged, each circular groove I (2-1-1) in even rows is respectively arranged at the central position of every four circular grooves I (2-1-1) in adjacent odd rows, a plurality of sealing rubber strip screw holes II (2-1-2) are vertically arranged at intervals on two sides of the rear plate surface (2-1) of the back plate (2);
a plurality of fixing holes II (2-3-1) are arranged on the upper convex surface II (2-3) along the length direction of the back panel (2) at intervals, and the back panel surface (2-1), the upper convex surface II (2-3), the two side surfaces (2-2) and the lower concave surface I (2-4) of the back panel (2) form a cavity of the back panel (2).
4. A honeycomb noise reduction and sound elimination plate for a high speed railway according to claim 1, wherein: the sound absorption material (3) is a rectangular body, a plurality of rows of diversion cup grooves (3-1) are horizontally arranged on a front surface body of the sound absorption material (3) at intervals, each row of diversion cup grooves (3-1) are arranged at intervals, and the diversion cup grooves (3-1) correspond to the diversion cup holes (1-1) of the front panel (1);
a plurality of rows of circular grooves II (3-2) are horizontally arranged on the rear surface body of the sound absorption material (3) at intervals, each row of circular grooves II (3-2) is arranged at intervals, and the plurality of circular grooves II (3-2) correspond to the plurality of circular grooves I (2-1) of the back panel (2).
5. A honeycomb noise reduction and sound elimination plate for a high speed railway according to claim 1, wherein: the cup mouth (5-1) end of the sound absorption reflection cup (5) is tubular, a circle of convex edge (5-2) is arranged outwards along the cup mouth (5-1), and the other end integrated with the cup mouth (5-1) end is an arc-shaped cup bottom (5-3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021189714.9U CN212533787U (en) | 2020-06-24 | 2020-06-24 | Honeycomb noise reduction and elimination plate for high-speed railway |
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| CN202021189714.9U CN212533787U (en) | 2020-06-24 | 2020-06-24 | Honeycomb noise reduction and elimination plate for high-speed railway |
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| CN212533787U true CN212533787U (en) | 2021-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235852A (en) * | 2021-05-19 | 2021-08-10 | 广东建设职业技术学院 | Integrally-formed sound-absorbing and conducting structure ceramic tile and production process thereof |
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2020
- 2020-06-24 CN CN202021189714.9U patent/CN212533787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235852A (en) * | 2021-05-19 | 2021-08-10 | 广东建设职业技术学院 | Integrally-formed sound-absorbing and conducting structure ceramic tile and production process thereof |
| CN113235852B (en) * | 2021-05-19 | 2022-06-03 | 广东建设职业技术学院 | Integrally-formed sound-absorbing and conducting structure ceramic tile and production process thereof |
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