CN110706685B - Vibration and noise reduction structure for working environment of underwater detection equipment - Google Patents
Vibration and noise reduction structure for working environment of underwater detection equipment Download PDFInfo
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- CN110706685B CN110706685B CN201910904208.9A CN201910904208A CN110706685B CN 110706685 B CN110706685 B CN 110706685B CN 201910904208 A CN201910904208 A CN 201910904208A CN 110706685 B CN110706685 B CN 110706685B
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
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Abstract
The invention discloses a vibration and noise reduction structure for the working environment of underwater detection equipment, which comprises a reinforced vibration reduction layer, wherein a vibration and sound absorption layer is arranged below the reinforced vibration reduction layer, a noise reduction layer is arranged below the vibration and sound absorption layer, a reinforced sound insulation layer is arranged below the noise reduction layer, a first vibration reduction part is detachably connected below a first reinforced part of the reinforced vibration reduction layer, a sound absorption part is arranged below a second vibration reduction part of the vibration and sound absorption layer, the reinforced sound insulation layer comprises a sound insulation part, a detachable second reinforced part is connected below the sound insulation part, the first vibration reduction part is in contact connection with the second vibration reduction part, the sound absorption part is detachably connected with the noise reduction layer, and the noise reduction layer is in contact connection with the sound insulation part; the vibration-damping and noise-reducing structure not only can effectively reduce or eliminate the impact force from the seawater, thereby playing a vibration-damping role, simultaneously ensuring the stability of the underwater detection equipment during detection work, but also can effectively reduce or even eliminate noise and echo, and finally improves the efficiency, distance and accuracy of underwater detection.
Description
Technical Field
The invention relates to the technical field of vibration and noise reduction, in particular to a vibration and noise reduction structure for a working environment of underwater detection equipment.
Background
In recent years, civil fields such as submarine landform detection, large-area marine environment monitoring, underwater information acquisition, marine resource exploration, marine rescue and salvage and military fields such as detection of military targets such as enemy submarines, naval vessels and aircraft carriers have higher and higher requirements on underwater detection technology. Therefore, at present, most ships are provided with underwater detection equipment, but the underwater detection equipment is interfered by noise during detection and is also subjected to impact vibration of seawater. When the underwater detection equipment is used for detecting on the sea surface, the fluctuation of the sea water can cause great impact force to the front or the side of the bulbous bow of a naval vessel, so that the underwater detection equipment can shake, and the normal operation of the detection work is influenced. In order to solve the problems of noise interference and impact force vibration generated by water flow, the sound insulation baffle provided in the prior art only can play a role in blocking noise and further reducing the noise, but has no obvious effect on vibration reduction. Therefore, there is an urgent need for a vibration-damping noise-reducing structure for the working environment of an underwater detection device, which can reduce or eliminate the impact force from the seawater, thereby playing a vibration-damping role, ensuring the stability of the underwater detection device during detection, effectively reducing or eliminating the noise and echo generated in the working chamber of the underwater detection device, and finally improving the efficiency and accuracy of underwater detection. In addition, the vibration and noise reduction structure has the advantages of simple structure, convenience in disassembly and maintenance, high firmness and the like, and the service life of the vibration and noise reduction structure is prolonged.
Disclosure of Invention
The invention aims to provide a vibration and noise reduction structure for the working environment of underwater detection equipment, which is used for solving the problems in the prior art, not only can reduce or eliminate the impact force from seawater, but also plays a role in vibration reduction, ensures the stability of the underwater detection equipment during detection, and can effectively reduce or eliminate the noise and echo generated in the working chamber of the underwater detection equipment, thereby finally improving the efficiency and accuracy of underwater detection.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a vibration and noise reduction structure for the working environment of underwater detection equipment, which comprises a reinforced vibration reduction layer, wherein a vibration reduction and sound absorption layer is arranged below the reinforced vibration reduction layer, a noise reduction layer is arranged below the vibration reduction and sound absorption layer, and a reinforced sound insulation layer is arranged below the noise reduction layer. The reinforcing vibration damping layer comprises a first reinforcing part, and a detachable first vibration damping part is connected below the first reinforcing part; the vibration-damping and sound-absorbing layer comprises a second vibration-damping part, and a sound-absorbing part is arranged below the second vibration-damping part; the reinforced sound insulation layer comprises a sound insulation part, a detachable second reinforcing part is connected below the sound insulation part, the first vibration reduction part is in contact connection with the second vibration reduction part, the sound absorption part is detachably connected with the noise reduction layer, and the noise reduction layer is in contact connection with the sound insulation part.
Preferably, the first reinforcing part is a first strip-shaped plate, the first vibration damping part is a first elastic rubber plate, a first mounting hole is formed in the first strip-shaped plate, a second mounting hole is formed in the first elastic rubber plate, the first mounting hole and the second mounting hole are arranged in a vertically corresponding mode, and detachable fasteners are connected into the first mounting hole and the second mounting hole.
Preferably, the second damping portion includes second elastic rubber board, first blind hole has been seted up on the second elastic rubber board, detachable fastener has been connected in the first blind hole, the first recess of a plurality of has been seted up to the bottom of second elastic rubber board, the sound absorption portion includes the acoustic baffle, a plurality of second recess has been seted up on the acoustic baffle, first recess corresponds the setting from top to bottom with the second recess, the damping ball has been set in first recess and the second recess, be inserted respectively in the acoustic baffle and be connected with first transaudient pipe, second transaudient pipe and third transaudient pipe, first through-hole has been seted up to the bottom of second elastic rubber board, it has the third transaudient pipe to run through in the first through-hole.
Preferably, fixed mounting has a plurality of damping post on the inner wall of first recess, the damping post inserts and is connected to in the damping ball, the elastic component is cup jointed to the bottom of damping post, elastic component fixed mounting is on the damping ball inner wall, fixed mounting has the damping cover on the cell wall of second recess, the damping cover corresponds the setting from top to bottom with the elastic component, the sound absorption rubber piece has been set up to the embedding of damping cover.
Preferably, it is adjacent to open between the second recess is equipped with logical groove, the top that leads to the groove is connected with the bottom contact of sound absorption rubber piece, the bottom that leads to the groove is linked together with first through-hole, it has the second acoustic pipe to lead to embed in the groove, and is adjacent fixed mounting has first acoustic pipe between the damping cover, and is terminal the bottom contact of sound absorption rubber piece is connected with the third acoustic pipe.
Preferably, the noise reduction layer comprises a plurality of layers of noise reduction plates, adjacent noise reduction plates are fixedly connected, a second through hole is formed in each noise reduction plate, the second through hole and the first through hole are located on the same central line, and the aperture of the second through hole is the same as that of the first through hole.
Preferably, the sound absorption plates are provided with a plurality of sound absorption holes, the wall of each sound absorption hole is embedded with a sound absorption block, and the sound absorption holes on adjacent sound absorption plates are arranged in a staggered manner.
Preferably, the sound insulation part comprises a plurality of sound insulation plates, adjacent sound insulation plates are fixedly connected, the second reinforcing part is a second strip-shaped plate, a fastener is fixedly mounted on the second strip-shaped plate, protrusions are fixedly mounted on two sides of the fastener, a second blind hole is formed in the vibration insulation plate connected with the second strip-shaped plate, a third groove is formed in the second blind hole, and the third groove is matched with the protrusions.
Preferably, the first groove and the second groove are hemispherical grooves.
Preferably, the damping cover is of a C-shaped structure or an arc structure.
The invention discloses the following technical effects: the vibration and noise reduction structure disclosed by the invention is sequentially provided with a reinforced vibration reduction layer, a vibration and noise absorption layer, a noise reduction layer and a reinforced sound insulation layer from top to bottom; when the impact force of seawater is transmitted to the first vibration damping part, the first vibration damping part can weaken part of the impact force, and other vibration forces can be transmitted to the second vibration damping part through the first vibration damping part; the second vibration reduction part can completely eliminate the residual impact force, the sound absorption part arranged on the second vibration reduction part can absorb the noise from the front impact of the seawater and the echo in the working chamber, the transmitted noise and the echo are transmitted to the noise reduction layer for noise reduction, and finally the sound insulation part can prevent the noise from being transmitted and prevent the noise on the other side of the working chamber from entering the working chamber, so that the noise can be effectively reduced or eliminated on the noise reduction layer; the second reinforcing part and the first reinforcing part are matched for use, and then the overall stability of the vibration and noise reduction structure is ensured. Through the technical scheme, the impact force from the seawater can be effectively reduced or eliminated, the vibration reduction effect is further achieved, the stability of the underwater detection equipment during detection is guaranteed, meanwhile, noise and echo generated in a working chamber of the underwater detection equipment can be effectively reduced or eliminated, and finally the efficiency, distance and accuracy of underwater detection are improved. In addition, the vibration-damping and noise-reducing structure is convenient to disassemble, simple in structure, convenient to maintain, high in firmness and long in service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a vibration and noise reduction structure according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is an enlarged view of a portion C of FIG. 1;
FIG. 5 is a schematic view of the first strip-shaped plate of the present invention;
FIG. 6 is a schematic structural view of the first strip-shaped plates arranged in sequence at intervals in the present invention;
wherein, 1-reinforcing vibration damping layer; 2-damping sound absorption layer; 3-a noise reduction layer; 4-reinforcing the sound insulation layer; 5-a first strip-shaped plate; 6-a first mounting hole; 7-a second mounting hole; 8-a first blind hole; 9-a fastener; 10-a first elastic rubber sheet; 11-a second elastic rubber plate; 12-a sound absorbing panel; 13-a first groove; 14-a second groove; 15-a vibration damping ball; 16-a damping column; 17-an elastic member; 18-a vibration damping cover; 19-a sound absorbing rubber block; 20-a sound transmission tube; 21-a first via; 22-a second via; 23-an anechoic board; 24-sound absorbing holes; 25-a sound elimination block; 26-sound insulation board; 27-a second strip; 28-second blind hole; 29-fastener; 30-bulge; 31-a third groove; 32-through slots; 33-a second sound tube; 34-third sound transmission tube.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-6, the invention provides a vibration and noise reduction structure for a working environment of underwater detection equipment, which comprises a reinforced vibration reduction layer 1, a vibration and noise reduction layer 2 is arranged below the reinforced vibration reduction layer 1, a noise reduction layer 3 is arranged below the vibration and noise reduction layer 2, and a reinforced sound insulation layer 4 is arranged below the noise reduction layer 3; the reinforcing vibration attenuation layer 1 comprises a first reinforcing part, a detachable first vibration attenuation part is connected below the first reinforcing part, the vibration attenuation and sound absorption layer 2 comprises a second vibration attenuation part, and a sound absorption part is arranged below the second vibration attenuation part; the reinforced sound insulation layer 4 comprises a sound insulation part, a detachable second reinforcing part is connected below the sound insulation part, the first vibration reduction part is in contact connection with the second vibration reduction part, the sound absorption part is detachably connected with the noise reduction layer 3, and the noise reduction layer 3 is in contact connection with the sound insulation part; when the naval vessel moves ahead on the sea surface, the seawater can generate great impact force to further impact the front face or the side face of the bulb bow of the naval vessel, the seawater can generate great noise in the continuous impact process, the impact force and the noise can be transmitted into a working chamber of the underwater detection equipment from the front face or the side face of the bulb bow of the naval vessel, and meanwhile, echo can be generated in the working chamber, so that the normal detection work of the underwater detection equipment can be seriously influenced. The impact force, the noise and the echo are firstly transmitted to the first reinforcing part, the existence of the first reinforcing part can ensure that the whole vibration-damping and noise-reducing structure is not easy to shake, the stability is improved, secondly, the vibration force is transmitted to the first vibration-damping part along the first reinforcing part, when the vibration force passes through the first vibration-damping part, part of the vibration force is weakened, then the vibration force is transmitted to the second vibration-damping part along the first vibration-damping part, the rest vibration force is weakened or even completely eliminated by the second vibration-damping part, after most of the noise and the echo are absorbed by the sound-absorbing part, the transmission part is transmitted to the noise-reducing layer 3 for continuous noise reduction, the impact force from seawater can be effectively reduced or eliminated by the technical scheme, the vibration-damping effect is further realized, the stability of the underwater detection equipment during detection work is ensured, and simultaneously, all the noise and the echo generated in the work chamber of the underwater detection equipment can be effectively reduced or eliminated, finally, the efficiency, the distance and the accuracy of underwater detection are improved. In addition, the vibration reduction and noise reduction device is convenient to disassemble, simple in structure, convenient to maintain, high in firmness and long in service life.
Further optimizing the scheme:
in order to improve the vibration reduction effect, the stability of the vibration reduction and noise reduction structure is ensured simultaneously, so that the normal operation of the detection work of the underwater detection equipment is ensured, and the detection precision is ensured. The first reinforcing part is set as a first strip-shaped plate 5, the first vibration reduction part is set as a first elastic rubber plate 10, the first strip-shaped plate 5 and the first elastic rubber plate 10 are made of underwater sound transmission rubber materials, a first mounting hole 6 is formed in the first strip-shaped plate 5, a second mounting hole 7 is formed in the first elastic rubber plate 10, the first mounting hole 6 corresponds to the second mounting hole 7 in an up-down mode, a detachable fastener 9 is connected into the first mounting hole 6 and the second mounting hole 7, and the fastener 9 can be fixedly connected through bolts; in addition, in order to guarantee the degree of stability of first elastic rubber plate 10, also can adopt to set up second mounting hole 7 on the four corners of first elastic rubber plate 10, can adopt two first bar 5 cross fixation simultaneously (as in fig. 5) or the mode of a plurality of first bar 5 interval arrangements to fix on first elastic rubber plate 10 (as in fig. 6), so not only improved the degree of stability of first elastic rubber plate 10, prevent that first elastic rubber plate 10 from receiving the impact force and taking place to rock, and then guaranteed the detection operational environment of detecting equipment under water, finally improve detection precision and efficiency.
Furthermore, in order to improve the vibration reduction effect and effectively absorb or eliminate noise and echo, the stability of the vibration reduction and noise reduction structure can be ensured, the underwater detection equipment can be ensured to be in a noise-free environment, and the detection accuracy and efficiency of the underwater detection equipment are finally improved. The second vibration damping part is arranged to comprise a second elastic rubber plate 11, and the second elastic rubber plate 11 is also made of an underwater sound rubber sound transmission material; a first blind hole 8 is formed in the second elastic rubber plate 11, a detachable fastener 9 is connected in the first blind hole 8, and the fastener 9 sequentially penetrates through the first mounting hole 6 and the second mounting hole 7 to be mounted in the first blind hole 8, so that the stability of the first vibration damping part and the stability of the second vibration damping part can be ensured, and the overall stability of the vibration damping and noise reduction structure is improved; first recess 13 of a plurality of has been seted up in the bottom of second elastic rubber board 11, the sound absorption portion includes acoustic baffle 12, a plurality of second recess 14 has been seted up on acoustic baffle 12, first recess 13 corresponds the setting from top to bottom with second recess 14, damping ball 15 has been embedded to first recess 13 and second recess 14, for the convenient placing of damping ball 15, set up first recess 13 and second recess 14 into hemisphere type recess, simultaneously when second elastic rubber board 11 receives vibration pressure, first recess 13 can exert pressure to damping ball 15, damping ball 15 can rebound partly vibration power this moment, can transmit vibration power for second recess 14 simultaneously, because second recess 14 is the same semicircular groove, can produce an ascending bounce-back force after it receives pressure, can balance the impact force of sea water like this, the damping effect has been played. Insert respectively in noise reduction plate 23 and be connected with first pipe 20, second pipe 33 and third pipe 34 of making an uproar, first through-hole 21 has been seted up to the bottom of second elastic rubber board 11, it has third pipe 34 to run through in the first through-hole 21, when the noise is transmitted to acoustic baffle 12 by second elastic rubber board 11 on, acoustic baffle 12 can be with noise and echo absorption, and transmit to first through-hole 21 department via first pipe 20, second pipe 33 and third pipe 34 of making an uproar respectively, and then transmit and continue the process of making an uproar in the layer of making an uproar 3 of making an uproar.
Furthermore, the vibration reduction and noise reduction effects are improved better, and the detection accuracy and efficiency of the underwater detection equipment are improved. A plurality of damping columns 16 are fixedly mounted on the inner wall of the first groove 13, the damping columns 16 are inserted into and connected to the damping ball 15, elastic pieces 17 are sleeved at the bottoms of the damping columns 16, the elastic pieces 17 are preferably springs, the elastic pieces 17 are fixedly mounted on the inner wall of the damping ball 15, damping covers 18 are fixedly mounted on the groove walls of the second groove 14, the damping covers 18 can adopt arc-shaped structures, pressure can be eliminated when the damping covers receive pressure, simultaneously, rebound force can be provided, pressure and the rebound force are balanced, and stability of the second elastic rubber plate 11 is guaranteed. Damping cover 18 corresponds the setting from top to bottom with elastic component 17, sound absorption block rubber 19 has been set to damping cover 18 embeds, when first recess 13 receives vibrational force, it can transmit vibrational force to damping post 16 on, damping post 16 can transmit vibrational force to elastic component 17 on, in-process vibrational force through elastic component 17 transmission can be weakened, when elastic component 17 is pushed down by vibrational force, damping ball 15 just can directly exert pressure to damping cover 18, and damping cover 18 then can effectively eliminate remaining vibrational force totally, and noise and echo that transmit to this place along with vibrational force then can transmit to sound absorption block rubber 19 in, make it by effective absorption. In addition, in order to better transmit the transmitted noise after absorption to the noise reduction layer 3, a through groove 32 is formed between the adjacent second grooves 14, the top end of the through groove 32 is in contact connection with the bottom of the sound absorption rubber block 19, the bottom end of the through groove 32 is communicated with the first through hole 21, a second sound transmission pipe 33 is embedded in the through groove 32, a first sound transmission pipe 20 is fixedly installed between the adjacent vibration reduction covers 18, and a third sound transmission pipe 34 is in contact connection with the bottom of the sound absorption rubber block 19, so that the transmitted noise and echo after absorption by the sound absorption rubber block 19 can be completely transmitted to the second sound transmission pipe 33 along the first sound transmission pipe 20, and finally the third sound transmission pipe 34 is transmitted to the noise reduction layer 3 to continue noise reduction, and further the transmitted noise and echo are effectively weakened or even eliminated.
Further optimizing the scheme:
in order to ensure that the noise and echo transmitted by sound absorption transmission in the above technical scheme are completely weakened or even eliminated, and further ensure the working environment of the underwater detection equipment during working, and improve the accuracy and efficiency of underwater detection, the noise reduction layer 3 is arranged to include a plurality of layers of sound insulation plates 23, the adjacent sound insulation plates 23 are fixedly connected, the sound insulation plates 23 are provided with second through holes 22, the second through holes 22 and the first through holes 21 are positioned on the same central line, the second through holes 22 are the same as the first through holes 21 in diameter, the sound transmission pipes 20 are inserted and connected in the sound insulation plates 23 through the first through holes 21 and the second through holes 22, and the sound insulation plates 23 can weaken all the transmitted noise absorbed in the sound insulation plates 12 and the sound absorption rubber blocks 19. Because the silencing plate 23 is in a multilayer form, the transmission path and the transmission time of the noise and the echo are lengthened, so that the noise and the echo are effectively weakened or even eliminated in the transmission process.
Furthermore, in order to lengthen the sound transmission path, so that the noise and the echo can be completely eliminated, and further ensure the working environment of the underwater detection device during working, and improve the detection accuracy and efficiency, the sound absorption holes 24 are formed in the sound absorption plates 23, the sound absorption blocks 25 are embedded in the hole walls of the sound absorption holes 24, and the sound absorption holes 24 in the adjacent sound absorption plates 23 are arranged in a staggered manner, so that the transmission path of the noise and the echo in the transmission process is lengthened, and due to the installation of the sound absorption holes 24 and the sound absorption blocks 25, the noise and the echo in the transmission process can be quickly and effectively absorbed and eliminated, so that the working environment of the underwater detection device during working is ensured, and the detection accuracy and efficiency are improved.
Further optimizing the scheme:
in order to guarantee the noise reduction effect of the whole vibration and noise reduction structure, the stability of the whole vibration and noise reduction structure can be guaranteed, the underwater detection precision is guaranteed, and the detection efficiency is improved finally. The sound insulation part is arranged to comprise a plurality of sound insulation plates 26, the adjacent sound insulation plates 26 are fixedly connected, the second reinforcing part is arranged to be a second strip-shaped plate 27, the second strip-shaped plate 27 is made of sound insulation materials, buckling pieces 29 are fixedly arranged on the second strip-shaped plate 27, protrusions 30 are fixedly arranged on two sides of each buckling piece 29, a second blind hole 28 is formed in the sound insulation plate connected with the second strip-shaped plate 27, a third groove 31 is formed in the second blind hole 28, the third groove 31 is matched with the protrusions 30, the sound insulation plates 26 can prevent noise from being transmitted into a working chamber of the underwater detection equipment from the interior of the sound insulation plate 23, and the noise can be completely weakened or even eliminated before the sound insulation plate; and be provided with second strip shaped plate 27 on last acoustic baffle 26, can guarantee the stability of acoustic baffle 26, can guarantee the stable fastness of whole damping noise reduction structure through setting up first strip shaped plate 5 and second strip shaped plate 27 respectively from top to bottom simultaneously, and then play the damping noise reduction effect, finally guarantee the precision of surveying under water, improve the efficiency of its survey. In addition, in order to ensure that the noise and echo are effectively absorbed and eliminated, a reflecting layer (not shown in the figure) can be sprayed on the sound insulation plate 26 which is in contact with the sound insulation plate 23, so that the residual noise and echo can be reflected to the sound insulation plate 23 again for multiple times of cyclic noise elimination, the noise and echo can be completely and effectively absorbed and eliminated, and the underwater detection equipment is ensured to perform detection work in an environment without noise interference.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention made by those skilled in the art without departing from the design purpose of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (9)
1. The utility model provides a structure of making an uproar falls in damping for underwater detection equipment operational environment which characterized in that: the damping and sound-insulating composite material comprises a reinforcing vibration-damping layer (1), a vibration-damping and sound-absorbing layer (2) is arranged below the reinforcing vibration-damping layer (1), a noise-reducing layer (3) is arranged below the vibration-damping and sound-insulating layer (3), the reinforcing vibration-damping layer (1) comprises a first reinforcing part, a first vibration-damping part is detachably connected below the first reinforcing part, the vibration-damping and sound-absorbing layer (2) comprises a second vibration-damping part, a sound-absorbing part is arranged below the second vibration-damping part, the reinforcing sound-insulating layer (4) comprises a sound-insulating part, a second reinforcing part is detachably connected below the sound-insulating part, the first vibration-damping part is in contact connection with the second vibration-damping part, the sound-absorbing part is detachably connected with the noise-reducing layer (3), and the noise-reducing layer (3) is in contact connection with the sound-insulating part;
the second vibration reduction part comprises a second elastic rubber plate (11), a first blind hole (8) is formed in the second elastic rubber plate (11), a fastener (9) is detachably connected in the first blind hole (8), a plurality of first grooves (13) are formed in the bottom of the second elastic rubber plate (11), the sound absorption part comprises a sound absorption plate (12), a plurality of second grooves (14) are formed in the sound absorption plate (12), the first grooves (13) and the second grooves (14) are vertically and correspondingly arranged, and vibration reduction balls (15) are embedded in the first grooves (13) and the second grooves (14); the noise reduction layer (3) comprises a plurality of layers of silencing plates (23), a first sound transmission pipe (20), a second sound transmission pipe (33) and a third sound transmission pipe (34) are respectively inserted and connected into the silencing plates (23), a first through hole (21) is formed in the bottom of the second elastic rubber plate (11), and the third sound transmission pipe (34) penetrates through the first through hole (21).
2. The vibration and noise reduction structure for the working environment of underwater exploration equipment according to claim 1, wherein: first reinforced portion is first strip shaped plate (5), first damping portion is first elastic rubber board (10), first mounting hole (6) have been seted up on first strip shaped plate (5), second mounting hole (7) have been seted up on first elastic rubber board (10), first mounting hole (6) correspond the setting from top to bottom with second mounting hole (7), can dismantle in first mounting hole (6) and second mounting hole (7) and be connected with fastener (9).
3. The vibration and noise reduction structure for the working environment of underwater exploration equipment according to claim 1, wherein: fixed mounting has a plurality of damping post (16) on the inner wall of first recess (13), damping post (16) insert and are connected to in damping ball (15), elastic component (17) are cup jointed to the bottom of damping post (16), elastic component (17) fixed mounting is on damping ball (15) inner wall, fixed mounting has damping cover (18) on the cell wall of second recess (14), damping cover (18) and elastic component (17) correspond the setting from top to bottom, sound absorption rubber block (19) have been set to damping cover (18) embedded.
4. The vibration and noise reduction structure for the working environment of underwater exploration equipment according to claim 3, wherein: it is adjacent to open between second recess (14) is equipped with logical groove (32), the top that leads to groove (32) is connected with the bottom contact of sound absorption rubber piece (19), the bottom that leads to groove (32) is linked together with first through-hole (21), it has second acoustic pipe (33) to lead to embed in groove (32), and is adjacent fixed mounting has first acoustic pipe (20) between damping cover (18), and is terminal the bottom contact of sound absorption rubber piece (19) is connected with third acoustic pipe (34).
5. The vibration and noise reduction structure for the working environment of underwater exploration equipment according to claim 1, wherein: the adjacent silencing plates (23) are fixedly connected, a second through hole (22) is formed in each silencing plate (23), the second through hole (22) and the first through hole (21) are located on the same central line, and the hole diameters of the second through hole (22) and the first through hole (21) are the same.
6. The vibration and noise reduction structure for the working environment of underwater exploration equipment according to claim 5, wherein: the sound absorption plates (23) are provided with a plurality of sound absorption holes (24), the wall of each sound absorption hole (24) is embedded with a sound absorption block (25), and the sound absorption holes (24) on adjacent sound absorption plates (23) are arranged in a staggered mode.
7. The vibration and noise reduction structure for the working environment of underwater exploration equipment according to claim 1, wherein: the sound insulation portion comprises a plurality of sound insulation plates (26), the adjacent sound insulation plates (26) are fixedly connected, the second reinforcing portion is a second strip-shaped plate (27), a buckling piece (29) is fixedly mounted on the second strip-shaped plate (27), protrusions (30) are fixedly mounted on two sides of the buckling piece (29), a second blind hole (28) is formed in the vibration insulation plate connected with the second strip-shaped plate (27), a third groove (31) is formed in the second blind hole (28), and the third groove (31) is matched with the protrusions (30).
8. The vibration and noise reduction structure for the working environment of underwater exploration equipment according to claim 4, wherein: the first groove (13) and the second groove (14) are hemispherical grooves.
9. The vibration and noise reduction structure for the working environment of underwater exploration equipment according to claim 3, wherein: the vibration reduction cover (18) is of a C-shaped structure or an arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904208.9A CN110706685B (en) | 2019-09-24 | 2019-09-24 | Vibration and noise reduction structure for working environment of underwater detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904208.9A CN110706685B (en) | 2019-09-24 | 2019-09-24 | Vibration and noise reduction structure for working environment of underwater detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110706685A CN110706685A (en) | 2020-01-17 |
| CN110706685B true CN110706685B (en) | 2022-03-04 |
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