CN113808561A - Vibration and noise reduction device for underwater detection equipment - Google Patents
Vibration and noise reduction device for underwater detection equipment Download PDFInfo
- Publication number
- CN113808561A CN113808561A CN202111068556.0A CN202111068556A CN113808561A CN 113808561 A CN113808561 A CN 113808561A CN 202111068556 A CN202111068556 A CN 202111068556A CN 113808561 A CN113808561 A CN 113808561A
- Authority
- CN
- China
- Prior art keywords
- layer
- wall
- vibration
- noise reduction
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000009467 reduction Effects 0.000 title claims abstract description 72
- 238000001514 detection method Methods 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 151
- 238000013016 damping Methods 0.000 claims abstract description 31
- 230000001603 reducing effect Effects 0.000 claims abstract description 29
- 230000003139 buffering effect Effects 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 2
- 230000030279 gene silencing Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 19
- 230000035939 shock Effects 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- 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
- G10K11/162—Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention belongs to the technical field of underwater detection equipment, and particularly relates to a vibration and noise reduction device for the underwater detection equipment. The device includes the mount pad, install buffering noise reduction component, torrent adjusting part and torrent rivers reposition of redundant personnel subassembly on the mount pad, buffering noise reduction component includes casing, noise damping layer, water passing layer and speed reduction layer from inside to outside in proper order, torrent adjusting part includes kickboard and stretch cord, torrent rivers reposition of redundant personnel subassembly includes switch plate, pulling force spare and flowing water pipe. According to the invention, the dynamic buffering process of turbulent water flow is combined with the damping and noise reducing effects of the damping and noise reducing assembly to form a structure with multi-stage damping and noise reducing effects, so that the impact of turbulent water flow on the device can be resisted, the stability of the device is improved, and the service life of the device is prolonged.
Description
Technical Field
The invention belongs to the technical field of underwater detection equipment, and particularly relates to a vibration and noise reduction device for the underwater detection equipment.
Background
The underwater detection equipment is applied to various scenes such as fishing ports, river channels, water conservancy and hydropower, is an important tool for detecting water body environments such as water bottom depth, width and water bottom appearance, some detection equipment is arranged on a submarine or a ship, and some detection equipment needs to be placed into the water bottom. The underwater detection device can help people to know the water body environment and provide guidance for underwater work or overwater work, so that the underwater detection device is an indispensable detection tool.
The underwater detection equipment in the prior art mainly comprises a waterproof shell, a controller and a detection probe, the detection probe is mainly used for identifying the underwater environment condition, most of the parts are rigid parts, and equipment can be damaged after collision with an underwater obstacle or a torrent, so that a damping and noise reducing device needs to be installed outside the underwater detection equipment firstly, and then underwater detection is carried out.
The protection device in the prior art mainly sets up the shock attenuation bracket in the periphery of underwater detection equipment to realize shock-absorbing function, the shock attenuation frame contains mobilizable buffer and supports this buffer's bracket usually, for example chinese patent CN201821610112.9 discloses a spiral underwater detection equipment protection device, it is a simple structure, preparation convenience, the cost is lower, safe and reliable's spiral underwater detection equipment protection device, with the protection underwater detection equipment, guarantee that detection work implements smoothly. The device has two helical protective frames and a shock-absorbing bracket for mounting the underwater detection device; the spiral protection frame is formed by bending a steel pipe, an underwater contact barrier blocking section, a horizontal contact barrier sliding section, a vertical supporting section, a horizontal connecting and fixing section and a supporting section which are obliquely arranged are sequentially formed from one end to the other end of the steel pipe after the steel pipe is bent, a fixing ring is connected to the section, close to the underwater contact barrier blocking, of the steel pipe, and a straight supporting section, close to the steel pipe, of the steel pipe is connected to the middle of the underwater contact barrier blocking section; the damping bracket is respectively fixed on the connecting and fixing sections of the two spiral protective frames. The equipment carries out comprehensive coverage protection on the subordinate detection equipment through the spiral protection frames respectively arranged on two sides of the underwater detection equipment, guarantees the underwater detection equipment to avoid obstacles in the front and under, and reduces the probability of overwater operation risks. For another example, chinese patent CN201320137845.6 discloses a sonar crash-proof and shock-absorbing protection device for underwater robots, which includes a protection cover for protecting sonar and a transition ring for fixing sonar; the protective cover is fixed on the transition circular ring to form an accommodating space for accommodating the sonar. Adopt the utility model discloses a be used for underwater robot sonar anticollision shock attenuation protection device, when the sonar is running into the aquatic barrier, can not be impaired, guarantee that the ROV operation goes on smoothly.
The above protection device has a problem that the structural design is focused only on the blocking function of the obstacle, and the damping part does not consider the influence of the turbulent water flow on the stability of the underwater detection equipment. However, the collision between the obstacle and the protection device, or the swimming of the animals in the water, etc., will cause the generation of turbulent water flow, which will cause the impact between the water flow and the underwater detection device, and affect the stability and quality of the underwater detection device, therefore, it is necessary to develop a vibration-damping and noise-reducing structure capable of buffering the collision force of the turbulent water flow on the underwater detection device.
Disclosure of Invention
In order to solve the technical problem, the invention provides a vibration and noise reduction device for underwater detection equipment. The structure with the multistage damping and noise reduction functions is formed by combining the dynamic damping process of turbulent water flow with the damping and noise reduction functions of the damping and noise reduction assembly.
The invention aims to provide a vibration and noise reduction device for underwater detection equipment, which comprises a mounting seat, wherein the mounting seat comprises a mounting plate and a plurality of fixing columns, and the fixing columns are arranged at the bottom of the mounting plate; the mounting seat is provided with a buffering noise reduction assembly, a turbulence adjusting assembly and a turbulent water flow shunting assembly;
the buffering noise reduction assembly sequentially comprises a shell, a sound attenuation layer, a water passing layer and a speed reduction layer from inside to outside, underwater detection equipment is placed in the shell, the water passing layer is of a cavity structure and comprises an inner layer wall and an outer layer wall, the inner layer wall wraps the outer surface of the sound attenuation layer, the outer layer wall surrounds the periphery of the inner layer wall, the inner layer wall and the outer layer wall are connected through a buffer piece, the top of the mounting plate is fixed to the bottom of the speed reduction layer, a through hole allowing signals of the underwater detection equipment to pass through is formed in the buffering noise reduction assembly, and the through hole penetrates through the shell, the sound attenuation layer, the water passing layer and the speed reduction layer at the same time;
the turbulence adjusting assembly comprises a floating plate, and the floating plate is connected with each fixed column through elastic ropes;
torrent rivers reposition of redundant personnel subassembly includes switch board, pulling force spare and flowing water pipe, the flowing water mouth has been seted up to outer wall, flowing water mouth department installs the flowing water pipe, the flowing water pipe runs through the speed reduction layer sets up, install the lower extreme mouth of pipe of flowing water pipe the switch board, the flowing water intraduct still installs the pulling force spare, the pulling force spare is connected the inner wall with between the switch board, the kickboard with connect through wire rope between the switch board.
Preferably, the casing, the noise reduction layer, the water passing layer and the deceleration layer are formed by detachably splicing at least two symmetrical independent units.
Preferably, in the vibration and noise reduction device for the underwater exploration equipment, the noise reduction layer is made of a noise reduction cotton material.
Preferably, in the vibration and noise reduction device for underwater exploration equipment, the buffer member is a spring;
or, the bolster includes a plurality of buffer unit, buffer unit includes two sections spliced poles and turns round the board, it is rather than adjacent to turn round the board inner wall perhaps pass through between the outer wall the spliced pole is connected.
Preferably, in the vibration and noise reduction device for underwater exploration equipment, the torsion plate has a plate structure or a spiral structure; the shape of the torsion plate can be changed into a twist shape, or the torsion plate is connected with the connecting column through a damping rotating shaft or a coil spring.
Preferably, in the vibration damping and noise reducing device for the underwater exploration device, the floating plate and the elastic ropes connected with the floating plate form an adjusting unit, the adjusting units are longitudinally arranged along the fixed column, the floating plates of the adjusting units are connected through a rigid rod, the steel wire rope has a plurality of branches, and each branch is correspondingly connected with one floating plate.
Preferably, the switch board outer wall is sleeved with a rubber sleeve.
Preferably, the vibration and noise reduction device for the underwater detection device is provided with a double-layer pipe on the inner wall of the through hole.
Preferably, the double-layer pipe has an inner pipe wall and an outer pipe wall, the inner pipe wall is in contact with the hole wall of the perforation, and the inner pipe wall is connected with the outer pipe wall through a flow-slowing member.
Preferably, in the vibration damping and noise reducing device for an underwater exploration device, the flow slowing member includes a plurality of porous rings arranged at intervals along the longitudinal direction of the double-layer pipe, an inner wall of each porous ring contacts with the inner pipe wall, and an outer wall of each porous ring contacts with the outer pipe wall.
Compared with the prior art, the invention has the following beneficial effects:
1. the mounting seat is used for supporting underwater detection equipment and the buffering noise reduction assembly and is used for being fixed at the water bottom, the turbulence adjusting assembly is used for detecting sudden turbulent water flow information, and the turbulent water flow shunting assembly mounted in the buffering noise reduction assembly is started to buffer the turbulent water flow impact. In the invention, the speed reduction layer has the first-stage function of reducing the water flow speed and the first-stage damping function, and the speed reduction layer also has the first-stage noise reduction function because the noise generated by the water flow is reduced after the water flow is reduced. The buffer noise reduction assembly and the turbulent water flow diversion assembly are matched with each other to realize the condition that the water flowing pipe is switched on and off to repeatedly flow and supply water, and when water is supplied at each time, a force space is provided for turbulent water flow, so that the impact force and sound are reduced, and the second-level vibration and noise reduction effect is realized. The noise reduction layer has a third-level shock absorption and noise reduction effect. The structure with the multistage damping and noise reducing functions is formed by combining the dynamic buffering process with the damping and noise reducing functions of the damping and noise reducing assembly.
2. The turbulent flow adjusting assembly and the turbulent water flow shunting assembly are arranged, the turbulent flow adjusting assembly and the turbulent water flow shunting assembly can automatically adjust and have a water flow buffering effect, turbulent water flow can be shunted from the turbulent water flow shunting assembly, impact of the turbulent water flow on the device is reduced, the stability of the device is improved, and the damage speed of the device is slowed down. And the automatic adjustment mode can save a lot of manual work.
3. The buffer part provided by the invention can convert the impact force of the turbulent water flow into the deformation force or the movement force of the buffer part, so that the energy for the flow of the turbulent water flow is reduced, and the speed reduction and noise reduction effects on the turbulent water flow are realized.
4. In order to prevent the situation that the flow rate of local water flow increases at the perforated part, the inner wall of the perforated hole is provided with the double-layer pipe and the porous rings, the multiple times of speed reduction of the porous rings are overlapped, the flow rate of the water flow at the perforated hole is well slowed down, and the water flow becomes gentle.
Drawings
Fig. 1 is a schematic view of an appearance structure of a vibration and noise reduction device for underwater detection equipment in embodiment 1 of the present invention;
FIG. 2 is a longitudinal sectional view of a vibration/noise reduction device for an underwater detecting apparatus according to embodiment 1 of the present invention;
FIG. 3 is a cross-sectional structural view of a buffering and noise-reducing assembly according to embodiment 1 of the present invention;
FIG. 4 is a bottom view of a vibration and noise reduction device for an underwater detecting apparatus according to embodiment 1 of the present invention;
fig. 5 is a schematic view of the connection between the fixed column and the floating plate according to embodiment 1 of the present invention;
fig. 6 is a partially enlarged view of a connection structure of a switching board and a water passing layer according to embodiment 1 of the present invention;
fig. 7 is a schematic structural view of a buffer according to embodiment 2 of the present invention;
fig. 8 is a schematic structural view of the perforated part in example 3 of the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention to be implemented, the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "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, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The apparatus of the present invention includes the following embodiments.
Example 1
A vibration damping and noise reducing device for underwater detection equipment is specifically shown in figures 1-6 and comprises a mounting base 1, wherein a buffering and noise reducing assembly, a turbulence adjusting assembly and a turbulent water flow shunting assembly are arranged above the mounting base 1. Be used for the installation underwater detection equipment in the buffering noise reduction subassembly, play vibration/noise reduction effect to this underwater detection equipment, mount pad 1 is used for supporting underwater detection equipment and buffering noise reduction subassembly, and it is used for fixing at submarine, and torrent regulating assembly is used for surveying proruption torrent rivers information to the torrent rivers reposition of redundant personnel subassembly of installation in the buffering noise reduction subassembly cushions the rivers striking of this kind of torrent.
The buffering and noise-reducing component sequentially comprises a shell 2, a sound-absorbing layer 21, a water passing layer 22 and a speed reducing layer 23 from inside to outside, the overall shape of the buffering and noise-reducing component can be a cubic structure or a columnar structure, the shell 2, the sound-absorbing layer 21, the water passing layer 22 and the speed reducing layer 23 are formed by detachably splicing at least two symmetrical independent units, for example, the shell 2 is a shell structure formed by detachably splicing two half shell structures into a cubic shape through bolts, the sound-absorbing layer 21 is a sound-absorbing layer 21 structure formed by detachably splicing two half sound-absorbing structures into a cubic shape, the water passing layer 22 is a water passing layer 22 structure formed by detachably splicing two half water-absorbing structures into a cubic shape, and the speed reducing layer 23 is a speed reducing layer 23 structure formed by detachably splicing two half speed reducing structures into a cubic shape; it should be noted that, for the convenience of assembling the device, the splicing lines 20 on the adjacent sides of the half-shell structure, the semi-sound-deadening structure, the semi-water-passing structure, and the semi-speed-reducing structure are in the same plane, and the respective splicing lines 20 of the shell 2, the sound-deadening layer 21, the water-passing layer 22, and the speed-reducing layer 23 may be sealed and caulked by using a material such as a waterproof tape, see the arrangement of the splicing lines 20 shown in fig. 3. The buffering and noise reducing component is provided with a through hole 24 allowing the signal of the underwater detection device to pass through, and the through hole 24 simultaneously penetrates through the shell 2, the sound attenuation layer 21, the water passing layer 22 and the deceleration layer 23.
The shell 2 is used for internally mounting the underwater detection equipment, a mounting plate and other components which can be detachably fixed on the underwater detection equipment can be arranged in the shell, when the underwater detection equipment needs to work, the underwater detection equipment is fixed in the shell 2, and when the underwater detection equipment does not need to work, the underwater detection equipment is taken out of the shell 2.
The noise reduction layer 21 is used for absorbing noise and is made of materials such as noise reduction cotton and the like, the noise reduction layer is wrapped outside the shell 2, preferably, the noise reduction layer 21 completely wraps the outside of the shell 2, and the noise reduction cotton materials have the noise reduction effect and also have the buffering and shock absorption effect.
The water passing layer 22 is a cavity structure, the cavity wall of the water passing layer is made of waterproof materials and comprises an inner layer wall 221 and an outer layer wall 222, the inner layer wall 221 is wrapped on the outer surface of the sound attenuation layer 21, the inner layer wall 221 and the outer layer wall 222 are identical in shape and have a distance of 2-8cm, the outer layer wall 222 is wrapped on the periphery of the inner layer wall 221, the inner layer wall 221 and the outer layer wall 222 are connected through a buffer piece 223, and the water passing layer 22 mainly functions in distributing turbulent water flow, for example, the turbulent water flow from the transverse direction is changed into a non-transverse flow direction, so that the turbulent water flow is prevented from directly impacting underwater detection equipment and a shock absorption and noise reduction structure, and impact force is reduced. The buffer member 223 is made of a spring and has a damping and decelerating effect.
The speed reduction layer 23 is a shell structure with a plurality of honeycomb holes, it can adopt materials such as honeycomb ceramics to prepare, the main function is that the rivers that will flow fast through a plurality of honeycomb holes change fine slow flowing rivers into, because the direction of intercommunication between a plurality of honeycomb holes is irregular, when rivers pass through speed reduction layer 23, the rivers direction is continuous changing, this process that constantly changes has just consumed many energies, the velocity of flow of water has been reduced, the rivers that just also reduce are to the striking of device.
The mounting seat 1 comprises a mounting plate 11 and a plurality of fixing columns 12, wherein the fixing columns 12 are mounted at the bottom of the mounting plate 11, and the top of the mounting plate 11 is fixed at the bottom of the deceleration layer 23.
The turbulence adjusting assembly is shown in fig. 4-5, and comprises a floating plate 3 and a plurality of elastic ropes 31, wherein the elastic ropes 31 are uniformly distributed on the periphery of the floating plate 3, one end of each elastic rope 31 is connected with the floating plate 3, and the other end of each elastic rope 31 is connected with the adjacent fixed column 12, in calm water flow or water flow with relatively low flowing speed, the stress of each angle of the floating plate 3 is basically balanced, the position of the floating plate is also basically fixed, the variation amplitude is not large, but when turbulent and rapid water flows suddenly, the stress balance of the floating plate 3 is broken, the position of the floating plate 3 is greatly displaced, and whether sudden and rapid water flows occur or not can be seen through the position change of the floating plate 3.
The turbulent water flow diversion assembly is shown in fig. 6 and comprises a switch plate 4, a tension member 41 and a water flowing pipe 42, wherein a water flowing port is formed in an outer wall 222 of a water flowing layer 22, the water flowing pipe 42 is installed at the water flowing port, the water flowing pipe 42 penetrates through a speed reducing layer 23, the speed reducing layer 23 wraps the water flowing pipe 42, the switch plate 4 is installed at an inner pipe orifice of the lower end of the water flowing pipe 42, the tension member 41 is installed inside the water flowing pipe 42, the top of the tension member 41 is fixedly connected with an inner wall 221, the bottom of the tension member is fixedly connected with the switch plate 4, the tension member 41 is made of a structure such as a tension spring and the like which has stretching capacity but basically has no compression capacity, when the whole device and underwater detection equipment are located in water, the water buoyancy force borne by the switch plate 4 can be resisted by the tension member 41, the switch plate 4 is always located in the water flowing pipe 42, and the switch plate is sealed to prevent water from flowing through the switch plate. Preferably, in order to enhance the "opening and closing" effect of the opening and closing plate 4 and increase the water flow blocking effect when the opening and closing plate 4 is connected to the water flow pipe 42, a rubber sleeve or the like may be fitted over the outer wall of the opening and closing plate 4. Preferably, the number of turbulent water flow splitting assemblies is two, and the turbulent water flow splitting assemblies are symmetrically distributed on two sides of the mounting seat 1.
The floating plate 3 is connected with the switch plate 4 through the steel wire rope 5, when the floating plate 3 is in a state of basically stable position, the steel wire rope 5 is in a completely-extending state, when turbulent water flow suddenly appears, the floating plate 3 is greatly displaced to drive the steel wire rope 5 to move, the switch plate 4 is further pulled down, water flows are arranged at the water flowing pipe 42, the turbulent water flow can be shunted from the position, the impact of the turbulent water flow on the device is reduced, the stability of the device is increased, and the damage speed of the device is slowed down. When the water body returns to be calm again, the floating plate 3 resets, the switch plate 4 resets under the action of the tension piece 41, and the water flowing pipe 42 is sealed again. Therefore, the flow splitting operation can be continued when turbulent water flow occurs next time. Because the time and frequency of occurrence of calmness and water flow turbulence of the water body are uncertain, the automatic adjusting mode of the invention can save a lot of manual work.
Preferably, the floating plate 3 and each elastic rope 31 connected with the floating plate form an adjusting unit, the adjusting units are longitudinally arranged along the fixed column 12, the floating plates 3 of the adjusting units are connected through a rigid rod 32, the steel wire rope 5 is provided with a plurality of branches, each branch is correspondingly connected with one floating plate 3, under the structure, when one adjusting unit is structurally damaged and cannot work, the rest adjusting units can continue to work, and the service life of the whole device is prolonged. Two torrent rivers reposition of redundant personnel subassemblies are installed in the both sides of a plurality of regulating unit symmetrically, and the wire rope 5 of two torrent rivers reposition of redundant personnel subassemblies is connected respectively to the both sides of a kickboard 3.
After the device is placed at the bottom of the water, when the water body is calm, the inside and the outside of each part are in a balanced state, no special condition of water flow increase or water flow decrease exists, when sudden turbulent water flow passes through the device due to the passing of a ship and the like, the device is impacted by the impact force of the water flow, the original balance is broken, at the moment, the deceleration layer 23 is positioned at the outermost part of the device, so that the deceleration layer has the first-stage water flow velocity reducing effect and the first-stage damping effect, and the noise generated by the deceleration layer is reduced after the water flow is decelerated, so that the deceleration layer 23 also has the first-stage noise reduction effect. The buffer noise reduction assembly and the turbulent water flow diversion assembly are matched with each other to realize the situation that the water flowing pipe 42 is opened and closed to repeatedly flow water, and when water flows through each time, a force space is provided for turbulent water flow, so that the impact force and sound are reduced, and the second-level vibration and noise reduction effect is realized. It should be noted that if water is not passed through the water flow pipe 42, the water flow always impacts the fixed position of the outer wall of the device, the acting force similar to the surface of an impact rigid object is generated, both the acting force and the reacting force are larger, if water is passed through the water flow pipe 42, the water flow always impacts the fixed position, only an internal bearing area is increased, but the process of changing the force generating space is still avoided, and the design of repeatedly opening and closing the water flow pipe 42 of the invention can generate a force generating space when turbulent and rapid water flow occurs each time, and the dynamic buffering process is realized. In addition, the noise reduction layer 21 has a third-level shock absorption and noise reduction effect, and a multi-level shock absorption and noise reduction effect is formed by combining the dynamic buffering process at the switch plate 4 with the shock absorption and noise reduction effect of the shock absorption and noise reduction assembly.
The device is particularly suitable for underwater areas such as fishing ports, because the water depth of the areas is not deep as the central depth of the sea, but the areas are often passed by ships to cause turbulent water flow, and most of the turbulent water flow generates transverse impact force on the device, so that the turbulent water flow diversion assembly and the turbulent flow adjusting assembly can play roles.
Example 2
A vibration and noise reduction device for underwater exploration equipment has basically the same structure as that of embodiment 1, except that, referring to FIG. 7, in this embodiment, a buffer member 223 having springs is replaced with a plurality of buffer units.
The buffer unit includes two sections of connecting posts 2231 and a torsion plate 2232, two ends of the torsion plate 2232 are respectively connected to one end of one connecting post 2231, wherein the other end of the connecting post 2231 is mounted on the inner layer wall 221 adjacent to the connecting post, the other end of the other connecting post 2231 is mounted on the outer layer wall 222 adjacent to the connecting post, and the torsion plate 2232 may be a plate structure or a spiral structure, which can be twisted or rotated. If it is a twisting function, the shape of the twisting plate 2232 itself can be deformed into a twist shape; if the function is rotation, the torsion plate 2232 is connected to the connecting column 2231 by a damping rotation shaft or a coil spring. A plurality of buffer cells are evenly distributed within the water passing layer 22.
When the water layer 22 flows through the water flow, acting force is generated on the torsion plate 2232, and the acting force is converted into energy for forcing the torsion plate 2232 to twist or rotate, and since the whole twisting process needs to consume energy, the energy of the water flow is reduced, and the speed reduction and noise reduction effects on the turbulent water flow are realized. The damper structure has a better damping effect than a spring because of the design of the torsion plate 2232, but the damper structure is inferior to a spring in terms of the compressive deformation capability of the torsion plate 2232, and therefore, the damper structure is inferior to a spring in terms of damping, and a damper 223 having a better damping effect or a better damping effect can be selected according to the actual situation during use.
Example 3
A vibration and noise reduction device for underwater exploration equipment is basically the same as the structure of embodiment 2, except that referring to fig. 8, in order to prevent the local water flow velocity at the perforation hole 24 from increasing, a double-layer pipe is arranged on the inner wall of the perforation hole 24, the double-layer pipe is provided with an inner pipe wall 241 and an outer pipe wall 242, the inner pipe wall 241 is in contact with the hole wall of the perforation hole 24, namely in contact with the perforation end faces of the shell 2, the sound attenuation layer 21, the water passing layer 22 and the deceleration layer 23, the inner pipe wall 241 provides connection supporting force for the parts, the inner pipe wall 241 is connected with the outer pipe wall 242 through a flow buffering piece 243, the flow buffering piece 243 comprises a plurality of porous rings which are arranged at intervals along the longitudinal direction of the double-layer pipe, the inner wall of each porous ring is in contact with the inner pipe wall 241, the outer wall of each porous ring is in contact with the outer pipe wall 242, and the porous rings also adopt the structure of honeycomb holes.
When the water flow passes through the position near the through hole 24, the speed is reduced once when the water flow passes through one porous ring, and the multiple speed reducing actions of the porous rings are overlapped, so that the flow speed of the water flow at the position is well reduced, and the water flow is gentle. The present embodiment does not use a porous ring of an integral structure but replaces the porous rings with longitudinally spaced porous rings because the present embodiment not only uses the water flow decelerating effect of the porous rings, but also uses the gaps between adjacent porous rings as the water flow buffering space. If rivers have always flowed through the longer porous ring of an overall structure's length, although rivers have also slowed down, the aperture is very little between the honeycomb holes, the rivers that do not have time to flow out the honeycomb holes can occupy the honeycomb holes completely, new rivers can't flow in, still can cause the striking to porous ring and other adjacent parts, influence the life of device, after this embodiment sets up a plurality of porous rings, the length of every porous ring is shorter, for example, be 2-4cm, rivers can still just flow out the honeycomb holes very fast after the porous plate slows down, and the water between a plurality of porous rings and the adjacent porous ring can form multistage anticollision layer, water is flexible, the impact of water between to water is less than the impact of water between to the solid.
It should be noted that, the connection relation of the components not specifically mentioned in the present invention is the default of the prior art, and the connection relation of the structures is not described in detail since it does not relate to the invention point and is a common application of the prior art.
It should be noted that, when the present invention relates to a numerical range, it should be understood that two endpoints of each numerical range and any value between the two endpoints can be selected, and since the steps and methods adopted are the same as those in the embodiment, in order to prevent redundancy, the present invention describes a preferred embodiment. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The vibration-damping and noise-reducing device for the underwater detection equipment is characterized by comprising a mounting base (1), wherein the mounting base (1) comprises a mounting plate (11) and a plurality of fixed columns (12), and the fixed columns (12) are mounted at the bottom of the mounting plate (11); the mounting seat (1) is provided with a buffering noise reduction assembly, a turbulence adjusting assembly and a turbulent water flow shunting assembly;
the buffering noise reduction assembly sequentially comprises a shell (2), a silencing layer (21), a water passing layer (22) and a decelerating layer (23) from inside to outside, wherein the water passing layer (22) is of a cavity structure, the noise-reduction sound-absorbing wall comprises an inner layer wall (221) and an outer layer wall (222), wherein the inner layer wall (221) wraps the outer surface of the sound-absorbing layer (21), the outer layer wall (222) surrounds the outer periphery of the inner layer wall (221), and the inner wall (221) and the outer wall (222) are connected through a buffer piece (223), the top of the mounting plate (11) is fixed at the bottom of the deceleration layer (23), the buffering noise reduction component is provided with a perforation (24) for allowing signals of the underwater detection equipment to pass through, the perforations (24) penetrate through the casing (2), the sound attenuation layer (21), the water passing layer (22) and the deceleration layer (23) simultaneously;
the turbulence adjusting assembly comprises a floating plate (3), and the floating plate (3) is connected with each fixed column (12) through elastic ropes (31);
torrent rivers reposition of redundant personnel subassembly includes flashboard (4), pulling force spare (41) and flowing water pipe (42), the flowing water mouth has been seted up to outer wall (222), flowing water mouth department installs flowing water pipe (42), flowing water pipe (42) run through decelerating layer (23) set up, install the lower extreme mouth of pipe of flowing water pipe (42) flashboard (4), flowing water pipe (42) inside still installs pulling force spare (41), pulling force spare (41) are connected inner wall (221) with between flashboard (4), floating plate (3) with connect through wire rope (5) between flashboard (4).
2. The vibration and noise reduction device for underwater detection equipment according to claim 1, wherein said housing (2), said sound-deadening layer (21), said water-passing layer (22) and said deceleration layer (23) are each formed by detachably splicing at least two symmetrical independent units.
3. A vibration and noise reducing arrangement for an underwater detection device as claimed in claim 2, characterized in that the sound-damping layer (21) is made of a sound-damping cotton material.
4. A vibration and noise reducing arrangement for a underwater detection device according to claim 3, characterized in that the buffer (223) is a spring;
or, the buffer piece (223) comprises a plurality of buffer units, each buffer unit comprises two sections of connecting columns (2231) and torsion plates (2232), and the torsion plates (2232) are connected with the inner layer wall (221) or the outer layer wall (222) adjacent to the torsion plates through the connecting columns (2231).
5. A vibration and noise reducing arrangement for a subsea detection device according to claim 4, characterized in that the torsion plate (2232) is of plate-type construction or of spiral-shaped construction; the self shape of the torsion plate (2232) can be changed into a twist shape, or the torsion plate (2232) is connected with the connecting column (2231) through a damping rotating shaft or a coil spring.
6. The vibration and noise reduction device for the underwater detecting device according to claim 1, wherein the floating plate (3) and each elastic rope (31) connected with the floating plate form an adjusting unit, a plurality of adjusting units are longitudinally arranged along the fixed column (12), the floating plates (3) of the adjusting units are connected through a rigid rod (32), the steel wire rope (5) is provided with a plurality of branches, and each branch is correspondingly connected with one floating plate (3).
7. The vibration and noise reduction device for the underwater detecting device according to claim 1, wherein the outer wall of the switch plate (4) is sleeved with a rubber sleeve.
8. A vibration and noise reducing apparatus for a underwater detecting device according to claim 1, wherein a double pipe is provided on an inner wall of the through hole (24).
9. A vibration and noise reducing arrangement for a water logging device according to claim 8, wherein the double tube has an inner tube wall (241) and an outer tube wall (242), the inner tube wall (241) being in contact with the perforation (24) bore wall, the inner tube wall (241) and the outer tube wall (242) being connected by a flow reducing member (243).
10. A vibration and noise reducing arrangement for an underwater detection apparatus as claimed in claim 9, wherein the flow slowing member (243) comprises a plurality of perforated rings spaced longitudinally along the double pipe, an inner wall of each perforated ring being in contact with the inner pipe wall (241) and an outer wall of each perforated ring being in contact with the outer pipe wall (242).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111068556.0A CN113808561B (en) | 2021-09-13 | 2021-09-13 | Vibration and noise reduction device for underwater detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111068556.0A CN113808561B (en) | 2021-09-13 | 2021-09-13 | Vibration and noise reduction device for underwater detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113808561A true CN113808561A (en) | 2021-12-17 |
| CN113808561B CN113808561B (en) | 2024-03-12 |
Family
ID=78940898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111068556.0A Active CN113808561B (en) | 2021-09-13 | 2021-09-13 | Vibration and noise reduction device for underwater detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113808561B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117097415A (en) * | 2023-10-17 | 2023-11-21 | 中国电建集团西北勘测设计研究院有限公司 | Underwater image information transmission device based on sonar |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712447A (en) * | 1996-05-14 | 1998-01-27 | The United States Of America As Represented By The Secretary Of The Navy | Vibrationally and acoustically insulated structure |
| CN206259614U (en) * | 2016-12-13 | 2017-06-16 | 国网山西省电力公司大同供电公司 | A kind of power equipment noise reduction buffer device |
| RU2659923C1 (en) * | 2017-06-16 | 2018-07-04 | Олег Савельевич Кочетов | Soundproofing enclosure with sound attenuating system |
| CN110706685A (en) * | 2019-09-24 | 2020-01-17 | 哈尔滨工程大学 | Vibration and noise reduction structure for working environment of underwater detection equipment |
| CN110853610A (en) * | 2019-11-14 | 2020-02-28 | 哈尔滨工程大学 | Underwater sound insulation structure unit |
| CN112037746A (en) * | 2020-07-31 | 2020-12-04 | 清华大学 | Diversion noise reduction structure, diversion noise reduction assembly and control rod hydraulic drive system |
| CN212250960U (en) * | 2019-12-30 | 2020-12-29 | 江苏豌豆垃圾处理器制造有限公司 | A vibration/noise reduction structure for kitchen garbage disposer |
| CN112359897A (en) * | 2020-10-20 | 2021-02-12 | 南京伊都锦环保科技有限公司 | River course clean-up equipment with silt drying function |
-
2021
- 2021-09-13 CN CN202111068556.0A patent/CN113808561B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712447A (en) * | 1996-05-14 | 1998-01-27 | The United States Of America As Represented By The Secretary Of The Navy | Vibrationally and acoustically insulated structure |
| CN206259614U (en) * | 2016-12-13 | 2017-06-16 | 国网山西省电力公司大同供电公司 | A kind of power equipment noise reduction buffer device |
| RU2659923C1 (en) * | 2017-06-16 | 2018-07-04 | Олег Савельевич Кочетов | Soundproofing enclosure with sound attenuating system |
| CN110706685A (en) * | 2019-09-24 | 2020-01-17 | 哈尔滨工程大学 | Vibration and noise reduction structure for working environment of underwater detection equipment |
| CN110853610A (en) * | 2019-11-14 | 2020-02-28 | 哈尔滨工程大学 | Underwater sound insulation structure unit |
| CN212250960U (en) * | 2019-12-30 | 2020-12-29 | 江苏豌豆垃圾处理器制造有限公司 | A vibration/noise reduction structure for kitchen garbage disposer |
| CN112037746A (en) * | 2020-07-31 | 2020-12-04 | 清华大学 | Diversion noise reduction structure, diversion noise reduction assembly and control rod hydraulic drive system |
| CN112359897A (en) * | 2020-10-20 | 2021-02-12 | 南京伊都锦环保科技有限公司 | River course clean-up equipment with silt drying function |
Non-Patent Citations (1)
| Title |
|---|
| 刘凯;朱石坚;丁少春;: "鱼雷减振降噪技术应用与发展", 鱼雷技术, no. 06, 28 December 2008 (2008-12-28) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117097415A (en) * | 2023-10-17 | 2023-11-21 | 中国电建集团西北勘测设计研究院有限公司 | Underwater image information transmission device based on sonar |
| CN117097415B (en) * | 2023-10-17 | 2024-01-23 | 中国电建集团西北勘测设计研究院有限公司 | Underwater image information transmission device based on sonar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113808561B (en) | 2024-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2197942C (en) | Floating caisson for offshore production and drilling | |
| US4984935A (en) | Floating enclosed offshore support structure | |
| CN113808561A (en) | Vibration and noise reduction device for underwater detection equipment | |
| CN110512604B (en) | Array truncated conical shell bubble curtain underwater piling noise reduction device | |
| CN101547598A (en) | Security barrier | |
| CN105756029B (en) | A kind of ice resistant device suitable for polar region ice formation marine site ocean platform | |
| JP4851770B2 (en) | Improvement of so-called camelback type wave extinguishing device | |
| JP2605492B2 (en) | Active vibration control offshore structure | |
| KR20190017276A (en) | Movement reducing apparatus of floating offshore structure | |
| CN110617877A (en) | Vertical suspension type vector hydrophone array and submerged buoy system | |
| KR20090124351A (en) | Sinkable vertical membrane breakwater | |
| CN210769128U (en) | Embedded type vibration reduction power generation system based on floating platform | |
| US5526906A (en) | Method and apparatus for connecting a slender structure to a reference body and for suppressing the vibrations of such slender structures | |
| CN220266697U (en) | Non-negative pressure mute secondary water supply device | |
| KR20000025584A (en) | Reducing device for resistance of moon pool in ship | |
| JP2019510926A (en) | Submersible equipment with floatable restraints | |
| CN217153344U (en) | Silencing wall penetrating pipe for building water supply and drainage | |
| CN106837672B (en) | Swing impact type wave power generation device | |
| CN111962486A (en) | Be applied to ocean engineering's building support equipment | |
| CN105564587A (en) | Device for reducing fluid oscillation in moon pool in sailing of drilling ship | |
| CN114852285B (en) | Remote control type small-sized search and rescue ship | |
| CN102954242A (en) | Buffer device of gate valve | |
| CN113928492B (en) | Flexible photovoltaic power plant of marine surface of water | |
| CN114389226B (en) | Attached type pipe cable system based on jacket platform and design method | |
| CN217260625U (en) | Pipe wall enhancement mode pipe based on marine propulsor design |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |