CN215444191U

CN215444191U - Noise elimination and reduction device for special vehicle

Info

Publication number: CN215444191U
Application number: CN202121029424.2U
Authority: CN
Inventors: 陈龙; 王威; 秦永红; 李军
Original assignee: Henan Aerospace Special Vehicle Co ltd
Current assignee: Henan Aerospace Special Vehicle Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-01-07
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a noise elimination and reduction device for a special vehicle, which relates to the technical field of silencers, and particularly relates to a noise elimination and reduction device for a special vehicle. The noise elimination and reduction device for the special vehicle has a good noise elimination effect through the arrangement of the installation box, and can absorb sound in the use process through the matching arrangement of the buffer spring, the sound insulation box, the installation box, the first partition plate, the second partition plate, the noise elimination tube, the transition plate and the noise elimination block, so that a good noise elimination effect is achieved.

Description

Noise elimination and reduction device for special vehicle

Technical Field

The utility model relates to the technical field of silencers, in particular to a silencing and noise-reducing device for special vehicles.

Background

The silencer is a pipe and an elbow with sound absorption linings or noise reduction devices such as pipes with suddenly changed sectional areas and other discontinuous acoustic impedances and the like, which can be used for the gas flow pipe with noise transmission, so that the noise in the pipe is attenuated or reflected, and the silencer has a plurality of types, but can be divided into six main types, namely a resistance silencer, a reactive silencer, an impedance composite silencer, a micro-perforated plate silencer, a small hole silencer and an active silencer, according to the silencing mechanism.

The automobile silencer for improving the silencing efficiency in the current market is complex in structure, single in function, poor in silencing effect due to the fact that the existing silencer is single in structure, and capable of working under the high-temperature state, and the service life of the silencer is shortened due to high-temperature working.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a noise elimination and reduction device for a special vehicle, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the noise elimination and noise reduction device for the special vehicle comprises an outer box body and an inner box body, wherein one side of the outer box body is provided with an air inlet, a filter screen is clamped in the air inlet, the inner side wall of the air inlet is in threaded connection with a limiting block, the other side of the outer box body is provided with an air outlet, one side of the air outlet is fixedly connected with an air outlet tail pipe, the inner side wall of the outer box body is fixedly connected with a buffer spring, the inner box body comprises a sound insulation box, a heat dissipation guide pipe and an installation box, one end of the buffer spring is fixedly connected with one side of the sound insulation box, the heat dissipation guide pipe is arranged on the outer surface of the installation box in a surrounding manner, the lower surface of the outer box body is fixedly connected with a water storage tank, the inner bottom wall of the water storage tank is fixedly connected with a water suction pump, one side of the sound insulation box is provided with an installation inlet, the other side of the sound insulation box is provided with an installation outlet, and the inner side wall of the installation inlet is fixedly connected with an air inlet guide pipe, the installation device comprises an installation box, a gas outlet guide pipe, a first partition plate, a second partition plate, a transition plate and a silencing block, wherein the gas outlet guide pipe is fixedly connected to the inner side wall of the installation outlet, the first partition plate is fixedly connected to the inner side wall of the installation box, the second partition plate is fixedly connected to the inner side wall of the installation box, the transition plate is fixedly connected to the inner bottom wall of the installation box, and the silencing block is fixedly connected to the inner side wall of the installation box.

Optionally, one side of suction pump and the one end fixed connection of heat dissipation pipe, the other end of heat dissipation pipe and one side fixed connection of storage water tank, the lower fixed surface of storage water tank is connected with the connecting rod, the one end fixedly connected with swash plate of connecting rod, sound-proof box, heat dissipation pipe and install bin set gradually by outer to interior.

Optionally, one side of the installation inlet is fixedly connected with a first air guide hose, one end of the first air guide hose is fixedly connected with one side of the air inlet, one side of the installation outlet is fixedly connected with a second air guide hose, and one end of the second air guide hose is fixedly connected with one side of the air outlet.

Optionally, a first through hole is formed in one side of the installation box, the air inlet guide pipe penetrates through the first through hole, a second through hole is formed in the other side of the installation box, the air outlet guide pipe penetrates through the second through hole, and through holes are formed in the outer side surfaces of the air inlet guide pipe and the air outlet guide pipe.

Optionally, a first mounting hole is formed in one side of the first partition plate, a second mounting hole is formed in one side of the second partition plate, the first mounting hole and the second mounting hole are arranged in a staggered mode, the inner side walls of the first mounting hole and the second mounting hole are provided with silencing tubes, air holes are formed in the outer side surfaces of the silencing tubes, and silencing cotton layers are fixedly connected to the inner side walls of the silencing tubes.

Optionally, glass fibers are arranged inside the silencing block, the section of the silencing block is triangular, the transition plate is located between the first partition plate and the second partition plate, and the transition plate is arranged in a curved surface manner.

(III) advantageous effects

The utility model provides a noise elimination and reduction device for a special vehicle, which has the following beneficial effects:

1. the noise elimination and reduction device for the special vehicle has a good noise elimination effect through the arrangement of the installation box, and can absorb sound in the use process through the matching arrangement of the buffer spring, the sound insulation box, the installation box, the first partition plate, the second partition plate, the noise elimination tube, the transition plate and the noise elimination block, so that a good noise elimination effect is achieved.

2. The noise elimination and noise reduction device for the special vehicle has the advantages that the noise elimination and noise reduction device for the special vehicle has the automatic cooling effect through the arrangement of the heat dissipation pipe, the water storage tank, the water suction pump and the inclined plate, and cooling liquid can circularly flow on the surface of the installation box in the use process, so that the purpose of cooling the muffler is achieved.

Drawings

FIG. 1 is a schematic cross-sectional view of a top view of the present invention;

FIG. 2 is a schematic cross-sectional side view of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic perspective view of the muffling cartridge of the present invention.

In the figure: 1. an outer case; 3. a filter screen; 4. a limiting block; 5. a tail gas outlet pipe; 6. a buffer spring; 7. a sound insulation box; 8. a heat dissipation conduit; 9. installing a box; 10. a water storage tank; 11. a water pump; 12. a sloping plate; 13. a first air guide hose; 14. a second air guide hose; 15. an air intake duct; 16. an air outlet duct; 17. a first separator; 18. a second separator; 19. a silencing barrel; 20. a transition plate; 21. a sound-deadening block.

Detailed Description

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

Referring to fig. 1 to 4, the present invention provides a technical solution: the noise elimination and reduction device for the special vehicle comprises an outer box body 1 and an inner box body, wherein one side of the outer box body 1 is provided with an air inlet, a filter screen 3 is clamped in the air inlet, the inner side wall of the air inlet is in threaded connection with a limiting block 4, the other side of the outer box body 1 is provided with an air outlet, one side of the air outlet is fixedly connected with an air outlet tail pipe 5, the inner side wall of the outer box body 1 is fixedly connected with a buffer spring 6, the inner box body comprises a sound insulation box 7, a heat dissipation guide pipe 8 and an installation box 9, one end of the buffer spring 6 is fixedly connected with one side of the sound insulation box 7, the heat dissipation guide pipe 8 is arranged on the outer surface of the installation box 9 in a surrounding manner, the lower surface of the outer box body 1 is fixedly connected with a water storage tank 10, the inner bottom wall of the water storage tank 10 is fixedly connected with a water pump 11, one side of the water pump 11 is fixedly connected with one end of the heat dissipation guide pipe 8, and the other end of the heat dissipation guide pipe 8 is fixedly connected with one side of the water storage tank 10, the lower surface of the water storage tank 10 is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with an inclined plate 12, the sound insulation box 7, the heat dissipation pipe 8 and the installation box 9 are sequentially arranged from outside to inside, and the arrangement of the heat dissipation pipe 8 is communicated, so that the noise elimination and reduction device for the special vehicle has the effect of automatic temperature reduction, through the matching arrangement of the heat dissipation pipe 8, the water storage tank 10, the water suction pump 11 and the inclined plate 12, cooling liquid can circularly flow on the surface of the installation box 9 in the using process, thereby achieving the purpose of reducing the temperature of the sound eliminator, one side of the sound insulation box 7 is provided with an installation inlet, the other side of the sound insulation box 7 is provided with an installation outlet, one side of the installation inlet is fixedly connected with a first air guide hose 13, one end of the first air guide hose 13 is fixedly connected with one side of an air inlet, one side of the installation outlet is fixedly connected with a second air guide hose 14, one end of the second air guide hose 14 is fixedly connected with one side of an air outlet, an air inlet pipe 15 is fixedly connected to the inner side wall of the installation inlet, an air outlet pipe 16 is fixedly connected to the inner side wall of the installation outlet, a first through hole is formed in one side of the installation box 9, the air inlet pipe 15 penetrates through the first through hole, a second through hole is formed in the other side of the installation box 9, the air outlet pipe 16 penetrates through the second through hole, through holes are formed in the outer side surfaces of the air inlet pipe 15 and the air outlet pipe 16, a first partition plate 17 is fixedly connected to the inner side wall of the installation box 9, a second partition plate 18 is fixedly connected to the inner side wall of the installation box 9, a first installation hole is formed in one side of the first partition plate 17, a second installation hole is formed in one side of the second partition plate 18, the first installation hole and the second installation hole are arranged in a staggered mode, a silencing barrel 19 is arranged on the inner side walls of the first installation hole and the second installation hole, an air hole is formed in the outer side surface of the silencing barrel 19, a silencing cotton layer is fixedly connected to the inner side wall of the silencing barrel 19, the inner bottom wall of the installation box 9 is fixedly connected with a transition plate 20, the inner side wall of the installation box 9 is fixedly connected with a silencing block 21, glass fibers are arranged inside the silencing block 21, the cross section of the silencing block 21 is triangular, the transition plate 20 is located between a first partition plate 17 and a second partition plate 18, the transition plate 20 is arranged in a curved surface mode, the silencing and noise reducing device for the special vehicle has a good silencing effect through the installation box 9, and sound can be absorbed in the using process through the matching arrangement of the buffer spring 6, the sound insulation box 7, the installation box 9, the first partition plate 17, the second partition plate 18, the silencing barrel 19, the transition plate 20 and the silencing block 21, so that a good silencing effect is achieved.

When the silencer is used, the filter screen 3 is placed in the air inlet, the limiting block 4 is installed to enable the limiting block 4 to abut against one side of the filter screen 3, so that the filter screen 3 is fixed in the air inlet, the silencer is installed at the rear end of an exhaust pipe of a vehicle, impurities in automobile exhaust are blocked outside the silencer through the filter screen 3, the impurities are prevented from entering the silencer to block holes in the silencer, sound and gas generated by the vehicle reach the inside of the installation box 9 through the air inlet guide pipe 15, the silencing block 21, the first partition plate 17, the second partition plate 18, the silencing barrel 19 and the transition plate 20 are arranged in the installation box 9, the sound is absorbed and rebounded through the silencing block 21, the sound is blocked through the first partition plate 17 and the second partition plate 18, the normal flow of the gas can be guaranteed, and the sound can be absorbed through the silencing barrel 19, the air vibration can be absorbed through the transition plate 20, so that the sound is effectively reduced, the sound can be blocked in a double-layer manner through the double-layer arrangement of the external box body 1 and the sound insulation box 7, the sound is effectively isolated from conducting outwards, the air flow flows in the interior of the silencer and is finally discharged through the air outlet tail pipe 5, the vibration generating the sound can be buffered through the buffer spring 6, so that the sound is reduced, a large amount of heat is brought to the interior of the silencer when the tail gas is discharged, the cooling liquid is sucked through the water suction pump 11 to flow in the heat dissipation pipe 8, one side of the heat dissipation pipe 8 is contacted with one side of the installation box 9, the installation box 9 is cooled through the cooling liquid in the heat dissipation pipe 8, the cooling liquid flows into the interior of the water storage tank 10, the air flow is generated when the two vehicles move, and the air flow rapidly flows on the lower surface of the water storage tank 10 through the inclined plates 12, the cooling liquid in the water storage tank 10 is cooled at an accelerated speed, and the silencing device can be effectively cooled.

The working principle and the beneficial effects of the utility model are as follows: the noise elimination and noise reduction device for the special vehicle has the advantages that the installation box 9 is arranged, so that the noise elimination and noise reduction device for the special vehicle has a good noise elimination effect, vibration air can be buffered and sound can be absorbed in the using process through the matching arrangement of the buffer spring 6, the sound insulation box 7, the installation box 9, the first partition plate 17, the second partition plate 18, the noise elimination cylinder 19, the transition plate 20 and the noise elimination block 21, so that a good noise elimination effect is achieved, the noise elimination and noise reduction device for the special vehicle has an automatic cooling effect through the arrangement of the heat dissipation pipe 8, the water storage tank 10, the water suction pump 11 and the inclined plate 12, and cooling liquid can flow on the surface of the installation box 9 in a circulating mode in the using process, so that the purpose of cooling the noise eliminator is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Noise elimination and reduction device for special type vehicle, including outside box (1) and inside box, its characterized in that: the air inlet is formed in one side of the external box body (1), the filter screen (3) is clamped in the air inlet, the inner side wall of the air inlet is in threaded connection with the limiting block (4), the air outlet is formed in the other side of the external box body (1), the air outlet tail pipe (5) is fixedly connected to one side of the air outlet, the buffer spring (6) is fixedly connected to the inner side wall of the external box body (1), the internal box body comprises a sound insulation box (7), a heat dissipation pipe (8) and an installation box (9), one end of the buffer spring (6) is fixedly connected with one side of the sound insulation box (7), the heat dissipation pipe (8) is arranged around the outer surface of the installation box (9), a water storage tank (10) is fixedly connected to the lower surface of the external box body (1), a water suction pump (11) is fixedly connected to the inner bottom wall of the water storage tank (10), and an installation inlet is formed in one side of the sound insulation box (7), the utility model discloses a soundproof box, including soundproof box (7), installation export has been seted up to the opposite side of installation case (7), the inside wall fixedly connected with inlet duct (15) of installation entry, the inside wall fixedly connected with outlet duct (16) of installation export, the first baffle of inside wall fixedly connected with (17) of install bin (9), the inside wall fixedly connected with second baffle (18) of install bin (9), cab apron (20) are crossed to the interior diapire fixedly connected with of install bin (9), the inside wall fixedly connected with amortization piece (21) of install bin (9).

2. The noise elimination and reduction device for special vehicles according to claim 1, characterized in that: one side of suction pump (11) and the one end fixed connection of heat dissipation pipe (8), the other end of heat dissipation pipe (8) and one side fixed connection of storage water tank (10), the lower fixed surface of storage water tank (10) is connected with the connecting rod, the one end fixedly connected with swash plate (12) of connecting rod, sound-proof box (7), heat dissipation pipe (8) and install bin (9) are by outer setting gradually to interior.

3. The noise elimination and reduction device for special vehicles according to claim 1, characterized in that: one side fixedly connected with first air guide hose (13) of installation entry, the one end of first air guide hose (13) and one side fixed connection of air inlet, one side fixedly connected with of installation export has second air guide hose (14), the one end of second air guide hose (14) and one side fixed connection of gas outlet.

4. The noise elimination and reduction device for special vehicles according to claim 1, characterized in that: first through-hole has been seted up to one side of install bin (9), first through-hole has been run through in pipe (15) admits air, the second through-hole has been seted up to the opposite side of install bin (9), pipe (16) of giving vent to anger runs through the second through-hole, the through-hole has all been seted up with the lateral surface of pipe (16) of giving vent to anger in pipe (15) of admitting air.

5. The noise elimination and reduction device for special vehicles according to claim 1, characterized in that: the novel silencing device is characterized in that a first mounting hole is formed in one side of the first partition plate (17), a second mounting hole is formed in one side of the second partition plate (18), the first mounting hole and the second mounting hole are arranged in a staggered mode, the inner side walls of the first mounting hole and the second mounting hole are provided with silencing tubes (19), air holes are formed in the outer side surfaces of the silencing tubes (19), and silencing cotton layers are fixedly connected to the inner side walls of the silencing tubes (19).

6. The noise elimination and reduction device for special vehicles according to claim 1, characterized in that: the glass fiber is arranged inside the silencing block (21), the section of the silencing block (21) is triangular, the transition plate (20) is located between the first partition plate (17) and the second partition plate (18), and the transition plate (20) is arranged in a curved surface mode.