CN118224431A - Vibration and noise reduction device and hydraulic system - Google Patents
Vibration and noise reduction device and hydraulic system Download PDFInfo
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- CN118224431A CN118224431A CN202410469469.3A CN202410469469A CN118224431A CN 118224431 A CN118224431 A CN 118224431A CN 202410469469 A CN202410469469 A CN 202410469469A CN 118224431 A CN118224431 A CN 118224431A
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- 230000009467 reduction Effects 0.000 title claims abstract description 37
- 230000030279 gene silencing Effects 0.000 claims abstract description 38
- 238000013016 damping Methods 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000004891 communication Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 abstract description 32
- 230000009471 action Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000010349 pulsation Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000001603 reducing effect Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The invention relates to the technical field of hydraulic noise reduction, and discloses a vibration and noise reduction device and a hydraulic system, wherein the vibration and noise reduction device comprises: the shell is hollow in the interior and forms an inlet and an outlet at two ends of the shell; the sound-absorbing pipe is arranged in the shell, the first end of the sound-absorbing pipe is communicated with the inlet, the second end of the sound-absorbing pipe is communicated with the outlet, and the sound-absorbing pipe is provided with a through hole penetrating through the pipe wall; the elastic mass module is positioned in the silencing tube and is movably arranged along the extending direction of the silencing tube, and the elastic direction of the elastic mass module is arranged along the extending direction of the silencing tube. In the circulation process of the fluid from the inlet to the outlet, the vibration energy of the fluid is consumed through the power action of the elastic mass module, so that the vibration of the hydraulic system is restrained, and the fluid flows from the inside of the pipe of the silencing pipe to the inner cavity of the shell through the through holes to play a role in damping the pulse of the fluid, so that the vibration and the noise of the hydraulic system can be reduced under the combined action of the elastic mass module and the silencing pipe, and the vibration and noise reduction functions are realized.
Description
Technical Field
The invention relates to the technical field of hydraulic noise reduction, in particular to a vibration damping and noise reduction device and a hydraulic system.
Background
In the device and the system for transmitting power by using fluid, because the rotation speed of the pump is closely related to the working condition, the load and the hydraulic system are generally changed, so that the flow pulsation and the pressure pulsation exist in the hydraulic pipeline along with the change of the inherent pulsation frequency and the back flushing pulsation frequency in the hydraulic system, noise can be generated by the pulsation through pipeline radiation, the performance of a product is directly influenced, and even the efficiency and the service life of the system are influenced to a certain extent. Vibration and noise of the hydraulic system generally occur simultaneously, and when the flow rate or pressure of the liquid increases, the vibration and noise are also aggravated; in addition, the vibration easily damages the hydraulic element, damages the working performance of the machine, influences the service life of the equipment, and the noise easily causes noise pollution to the environment.
Disclosure of Invention
In view of the above, the invention provides a vibration and noise reduction device and a hydraulic system, so as to solve the problems that the service life of equipment is affected by vibration and noise of the existing hydraulic system, and noise pollution is caused to the environment.
In a first aspect, the present invention provides a vibration damping and noise reduction device, comprising: the shell is hollow in the interior and forms an inlet and an outlet at two ends of the shell; the silencing pipe is arranged in the shell, the first end of the silencing pipe is communicated with the inlet, the second end of the silencing pipe is communicated with the outlet, and a perforation penetrating through the pipe wall is formed in the silencing pipe; the elastic mass module is positioned in the silencing pipe and is movably arranged along the extending direction of the silencing pipe, and the elastic direction of the elastic mass module is arranged along the extending direction of the silencing pipe.
The beneficial effects are that: in the circulation process of the fluid from the inlet to the outlet, the vibration energy of the fluid is consumed through the power action of the elastic mass module, so that the vibration of the hydraulic system is restrained, and the fluid flows from the inside of the pipe of the silencing pipe to the inner cavity of the shell through the perforation to play a role in damping the pulse of the fluid, so that the vibration and the noise of the hydraulic system can be reduced under the combined action of the elastic mass module and the silencing pipe, and the vibration and noise reduction functions are realized.
In an alternative embodiment, the housing includes a main body and an adjusting structure, the muffler pipe is disposed in the main body, the adjusting structure is connected with a first end of the main body and is movably disposed along an extending direction of the muffler pipe, the adjusting structure is connected with the elastic mass module and is adapted to press the elastic mass module, the inlet is disposed corresponding to the adjusting structure, and the outlet is disposed corresponding to a second end of the main body.
The beneficial effects are that: the elastic mass module is pressed by the adjusting structure, the rigidity of the elastic mass module is adjusted by the movement of the adjusting structure, so that the vibration frequency of the elastic mass module is consistent with the pulsation frequency of the fluid, resonance is formed, the vibration energy of the fluid can be effectively consumed, and the vibration reduction effect is improved.
In an alternative embodiment, along the extension direction of the sound-deadening pipe, the pipe wall of the sound-deadening pipe is provided with a plurality of rows of perforations, and each row of perforations is arranged around the circumference of the sound-deadening pipe.
In an alternative embodiment, the adjusting structure is inserted into the main body from the first end of the main body, the adjusting structure is sleeved outside the silencing pipe and slidably connected with the outer wall of the silencing pipe, the inner wall of the main body, the outer wall of the silencing pipe and the end face of one end of the shell, where the adjusting structure is inserted, enclose to form a communicating cavity, the communicating cavity is communicated with the inside of the tube of the silencing pipe through the through hole, and the distance of the adjusting structure inserted into the shell is adjustable so as to adjust the volume of the communicating cavity and the number of rows of the through hole blocked by the adjusting structure.
The beneficial effects are that: the number of rows of the plugged perforations and the volume of the communication cavity are regulated by the regulating structure, the number of the perforations and the volume of the communication cavity are further matched with the pulse energy of the fluid, the attenuation effect on the fluid pulse is improved, and the vibration reduction and noise reduction effects are improved.
In an alternative embodiment, the adjusting structure comprises a screw member and a connecting member, wherein the outer wall of the screw member is in threaded connection with the inner wall of the main body, a hollow cavity is formed in the screw member, the silencing pipe is inserted into the hollow cavity, the connecting member is arranged in the hollow cavity and is connected with the screw member, the connecting member is connected with the elastic mass module, and the hollow cavity is communicated with the inlet and the pipe inside of the silencing pipe.
The beneficial effects are that: through the screwing of screw, realize the regulation to screw position, and then realize the common regulation to the rigidity of elasticity quality module and the perforated row number of shutoff, the volume of intercommunication chamber, the regulation mode is simple and convenient and accurate.
In an alternative embodiment, the distance between two adjacent rows of perforations is gradually increased from one end of the silencing tube near the inlet to the middle part of the silencing tube; the distance between two adjacent rows of perforations is gradually reduced from the middle part of the silencing tube to one end of the silencing tube, which is close to the outlet.
The beneficial effects are that: by defining the arrangement of the perforations, the damping effect on the fluid in different pulsation frequency bands is satisfied.
In an alternative embodiment, the elastic mass module comprises a mass member and an elastic member, wherein a first end of the elastic member is connected with the mass member, a second end of the elastic member is fixedly arranged inside the silencing tube, the mass member is connected with the adjusting structure, a circulation port is formed in the mass member, and the inlet is communicated with the inside of the silencing tube through the circulation port.
The beneficial effects are that: the compression amount of the elastic piece is adjusted by utilizing the adjusting structure, so that the integral rigidity of the elastic mass module is adjusted.
In an alternative embodiment, the elastic mass module further comprises a sliding piece, wherein the sliding piece is arranged corresponding to the periphery of the mass piece, and the sliding piece is slidably connected with the inner wall of the silencing tube.
In an alternative embodiment, the housing further comprises an inlet tube, the second end of which is connected to the adjustment structure, the first end of which forms the inlet, and an outlet tube, the first end of which is connected to the body, the second end of which forms the outlet.
In a second aspect, the invention further provides a hydraulic system, which comprises the vibration damping and noise reducing device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a vibration damping and noise reducing device according to an embodiment of the present invention;
FIG. 2 is a front view of the vibration and noise reduction apparatus shown in FIG. 1;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of an angle of the vibration and noise reduction device shown in FIG. 1;
FIG. 5 is a schematic cross-sectional view of another angle of the vibration and noise reduction device shown in FIG. 1.
Reference numerals illustrate:
1. A housing; 11. an inlet; 12. an outlet; 13. a main body; 14. an adjustment structure; 141. a screw; 142. a connecting piece; 15. an inlet tube; 16. a discharge pipe; 2. an acoustic pipe; 21. perforating; 22. a base; 3. an elastic mass module; 31. a mass member; 311. a flow port; 32. an elastic member; 33. a slider; 4. and a communicating cavity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiments of the present invention are described below with reference to fig. 1 to 5.
According to an embodiment of the present invention, in one aspect, there is provided a vibration/noise reduction apparatus including: a shell 1, a sound-deadening pipe 2 and an elastic mass module 3. The inside cavity setting of casing 1 and at the both ends of casing 1 inlet 11 and export 12 formation, and sound-deadening pipe 2 sets up in casing 1, and sound-deadening pipe 2's first end and inlet 11 intercommunication, sound-deadening pipe 2's second end and export 12 intercommunication, sound-deadening pipe 2 has seted up perforation 21 that runs through the pipe wall setting. The elastic mass module 3 is located in the sound-damping tube 2 and is movably arranged along the extending direction of the sound-damping tube 2, and the elastic direction of the elastic mass module 3 is arranged along the extending direction of the sound-damping tube 2.
In the process of circulating the fluid from the inlet 11 to the outlet 12, the vibration energy of the fluid is consumed through the dynamic action of the elastic mass module 3, so that the vibration of a hydraulic system is restrained, and the fluid flows from the inside of the pipe of the silencing pipe 2 to the inner cavity of the shell 1 through the perforation 21 to play a role in damping the pulse of the fluid, so that the vibration and the noise of the hydraulic system can be reduced under the combined action of the elastic mass module 3 and the silencing pipe 2, and the vibration and noise reduction functions are realized.
It is worth to describe that, the vibration and noise reduction device of this embodiment achieves the purpose of vibration and noise reduction by attenuating the energy pulsation inside the hydraulic system. According to the working principle of the passive vibration damping technology, vibration energy is consumed by utilizing the dynamic action of an additional elastic mass module 3 in the hydraulic system. When vibration is generated in the hydraulic system due to pressure pulsation excitation, fluid (hydraulic medium) in the system piping vibrates, and the elastic mass module 3 vibrates at the same time when flowing through the system. The dynamic action of the elastic mass module 3 and the pressure pulsation excitation force are mutually counteracted, so that the vibration of the whole system is restrained.
It should be noted that, the vibration and noise reduction device of this embodiment has simple and compact structure, small pressure loss, long service life, small volume and small space arrangement requirement.
It should be noted that, referring to fig. 1 to 5, the "first end" in the present embodiment is the right end in fig. 1 to 5, and the "second end" in the present embodiment is the left end in fig. 1 to 5.
In one embodiment, as shown in fig. 3 to 5, the housing 1 includes a main body 13 and an adjusting structure 14, the sound-absorbing tube 2 is disposed in the main body 13, the adjusting structure 14 is connected with a first end of the main body 13 and is movably disposed along an extending direction of the sound-absorbing tube 2, the adjusting structure 14 is connected with the elastic mass module 3 and is adapted to press the elastic mass module 3, the inlet 11 is disposed corresponding to the adjusting structure 14, and the outlet 12 is disposed corresponding to a second end of the main body 13.
The elastic mass module 3 is pressed by the adjusting structure 14, and the rigidity of the elastic mass module 3 is adjusted by the movement of the adjusting structure 14, so that the vibration frequency of the elastic mass module 3 and the pulsation frequency of fluid tend to be consistent, resonance is formed, the vibration energy of the fluid can be effectively consumed, and the vibration reduction effect is improved.
It is worth to say that, through adjusting the vibration frequency of the elastic mass module 3, the common low-frequency, medium-frequency and high-frequency vibration noise problem in the hydraulic system can be effectively solved.
In one embodiment, as shown in fig. 3 to 5, along the extending direction of the sound-absorbing tube 2, the tube wall of the sound-absorbing tube 2 is provided with a plurality of rows of perforations 21, and each row of perforations 21 is disposed around the circumference of the sound-absorbing tube 2.
It should be noted that, referring to fig. 3, the muffler pipe 2 and the main body 13 are coaxially disposed, and the extending direction of the muffler pipe 2 is the axial direction of the muffler pipe 2.
In one embodiment, as shown in fig. 3 to 5, the adjusting structure 14 is inserted into the main body 13 from the first end of the main body 13, the adjusting structure 14 is sleeved outside the muffler pipe 2 and slidably connected with the outer wall of the muffler pipe 2, the inner wall of the main body 13, the outer wall of the muffler pipe 2 and the end face of one end of the adjusting structure 14 inserted into the shell 1 enclose to form the communication cavity 4, the communication cavity 4 is communicated with the inside of the pipe of the muffler pipe 2 through the through hole 21, and the distance of the adjusting structure 14 inserted into the shell 1 is adjustable so as to adjust the row number of the through hole 21 blocked by the adjusting structure 14 and the volume of the communication cavity 4.
The number of rows of the plugged perforations 21 and the volume of the communication cavity 4 are regulated by the regulating structure 14, the number of the perforations 21 and the volume of the communication cavity 4 are further matched with the pulse energy of the fluid, the attenuation effect on the fluid pulse is improved, and the vibration reduction and noise reduction effects are improved.
It should be noted that, referring to fig. 3 to 5, the greater the distance the adjusting structure 14 is inserted into the housing 1, the greater the number of rows of the plugged perforations 21, and the smaller the volume of the communication cavity 4; the smaller the distance the adjusting structure 14 is inserted into the housing 1, the fewer the number of rows of blocked perforations 21, and the larger the volume of the communication chamber 4.
It should be noted that, through adjusting the distance that the adjusting structure 14 is inserted into the housing 1, the rigidity of the elastic mass module 3, the row number of the plugged perforations 21, and the volume of the communication cavity 4 can be adjusted together, so that the vibration damping and noise reducing device of the embodiment can more accurately eliminate the pulsation energy of the fluid, and ensure the vibration damping and noise reducing effect.
It is worth to be explained that the vibration and noise reduction device of the embodiment can be used for rapidly realizing the problem verification of fluids with different pulsation frequencies of a hydraulic system, and improving the research and development efficiency of products.
In one embodiment, as shown in fig. 3 to 5, the adjusting structure 14 includes a screw member 141 and a connecting member 142, the outer wall of the screw member 141 is in threaded connection with the inner wall of the main body 13, the inside of the screw member 141 forms a hollow cavity, the muffler pipe 2 is inserted into the hollow cavity, the connecting member 142 is disposed in the hollow cavity and connected with the screw member 141, the connecting member 142 is disposed in contact with the elastic mass module 3, and the hollow cavity is disposed in communication with the inlet 11 and the pipe inside of the muffler pipe 2.
By screwing the screw member 141, the position of the screw member 141 is adjusted, and further the rigidity of the elastic quality module 3, the row number of the plugged perforations 21 and the volume of the communication cavity 4 are adjusted together, and the adjusting mode is simple, convenient and accurate.
It should be noted that, through the matching calculation of the rigidity and the mass of the elastic mass module 3, different resonance frequency values are carved on the outer wall of the screw member 141, and the screw member 141 is screwed to the corresponding resonance frequency value position according to the pulsation frequency of the fluid in the hydraulic system, so that the operation is convenient.
In one embodiment, the distance between two adjacent rows of perforations 21 increases gradually from the end of the sound-deadening pipe 2 near the inlet 11 to the middle of the sound-deadening pipe 2; the distance between two adjacent rows of perforations 21 gradually decreases from the middle of the sound-absorbing tube 2 to the end of the sound-absorbing tube 2 near the outlet 12. By defining the arrangement of the perforations 21, the damping effect on fluids in different pulsation frequency bands is met.
In one embodiment, as shown in fig. 3 to 5, the elastic mass module 3 includes a mass member 31 and an elastic member 32, a first end of the elastic member 32 is connected to the mass member 31, a second end of the elastic member 32 is fixedly disposed inside the sound-absorbing tube 2, the mass member 31 is disposed in contact with the adjusting structure 14, the mass member 31 is formed with a flow port 311, and the inlet 11 is communicated with the inside of the sound-absorbing tube 2 through the flow port 311. The compression amount of the elastic piece 32 is adjusted by the adjusting structure 14, so that the overall rigidity of the elastic mass module 3 is adjusted.
It should be noted that, as shown in fig. 3 to 5, the base 22 is disposed in the muffler pipe 2, the first end of the elastic member 32 is clamped with the mass member 31, and the second end of the elastic member 32 is clamped with the base 22. Specifically, the base 22 is screwed with the muffler pipe 2.
It should be noted that the connector 142 and the base 22 each have a through hole for allowing fluid to pass therethrough.
In one embodiment, as shown in fig. 4 and 5, the elastic mass module 3 further includes a sliding member 33, the sliding member 33 is disposed corresponding to the outer circumference of the mass member 31, and the sliding member 33 is slidably engaged with the inner wall of the muffler pipe 2.
In one embodiment, as shown in fig. 1 to 5, the housing 1 further comprises an inlet tube 15 and an outlet tube 16, the second end of the inlet tube 15 being connected to the adjustment structure 14, the first end of the inlet tube 15 forming the inlet 11, the first end of the outlet tube 16 being connected to the main body 13, the second end of the outlet tube 16 forming the outlet 12.
Specifically, the inlet pipe 15 is screwed with the adjustment structure 14, and the outlet pipe 16 is screwed with the main body 13.
When the vibration and noise reduction device of the embodiment is used, fluid enters from the inlet 11, passes through the inside of the pipe 15 and the hollow cavity of the screw member 141 and enters the inside of the pipe 2; the pressure pulsation of the fluid interacts with the elastic mass module 3, and the dynamic vibration absorption distance and the pressure pulsation are mutually counteracted; the fluid in the sound-damping tube 2 flows to the inner cavity of the shell 1 through the perforations 21, so that the damping of the fluid pulse is realized.
According to an embodiment of the present invention, in another aspect, there is also provided a hydraulic system including the vibration damping and noise reducing device described above.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (10)
1. A vibration and noise reduction device, comprising:
A housing (1) which is arranged in a hollow manner and is provided with an inlet (11) and an outlet (12) at two ends of the housing (1);
The silencing pipe (2) is arranged in the shell (1), a first end of the silencing pipe (2) is communicated with the inlet (11), a second end of the silencing pipe (2) is communicated with the outlet (12), and a perforation (21) penetrating through the pipe wall is formed in the silencing pipe (2);
The elastic mass module (3) is positioned in the silencing tube (2) and is movably arranged along the extending direction of the silencing tube (2), and the elastic direction of the elastic mass module (3) is arranged along the extending direction of the silencing tube (2).
2. Vibration and noise reduction device according to claim 1, characterized in that the housing (1) comprises a main body (13) and an adjusting structure (14), the sound-damping tube (2) is arranged in the main body (13), the adjusting structure (14) is connected with a first end of the main body (13) and is movably arranged along the extending direction of the sound-damping tube (2), the adjusting structure (14) is arranged in connection with the elastic mass module (3) and is suitable for pressing the elastic mass module (3), the inlet (11) is arranged corresponding to the adjusting structure (14), and the outlet (12) is arranged corresponding to a second end of the main body (13).
3. Vibration and noise reduction device according to claim 2, characterized in that several rows of perforations (21) are provided in the wall of the sound-damping tube (2) in the direction of extension of the sound-damping tube (2), each row of perforations (21) being arranged circumferentially around the sound-damping tube (2).
4. A vibration and noise reduction device according to claim 3, characterized in that the adjusting structure (14) is inserted into the main body (13) from the first end of the main body (13), the adjusting structure (14) is sleeved outside the muffler pipe (2) and slidably connected with the outer wall of the muffler pipe (2), the inner wall of the main body (13), the outer wall of the muffler pipe (2) and the end surface of one end of the adjusting structure (14) inserted into the housing (1) are enclosed to form a communication cavity (4), the communication cavity (4) is communicated with the inside of the pipe of the muffler pipe (2) through the through hole (21), and the distance of the adjusting structure (14) inserted into the housing (1) is adjustable so as to adjust the number of rows of the through hole (21) blocked by the adjusting structure (14) and the volume of the communication cavity (4).
5. The vibration and noise reduction device according to claim 4, wherein the adjusting structure (14) comprises a screw member (141) and a connecting member (142), the outer wall of the screw member (141) is in threaded connection with the inner wall of the main body (13), a hollow cavity is formed in the screw member (141), the muffler pipe (2) is inserted into the hollow cavity, the connecting member (142) is arranged in the hollow cavity and connected with the screw member (141), the connecting member (142) is connected with the elastic mass module (3), and the hollow cavity is connected with the inlet (11) and the pipe inside of the muffler pipe (2).
6. Vibration and noise reduction device according to any one of claims 3 to 5, characterized in that the distance between two adjacent rows of perforations (21) increases gradually from the end of the sound-damping tube (2) near the inlet (11) to the middle of the sound-damping tube (2); the distance between two adjacent rows of perforations (21) is gradually reduced from the middle part of the silencing tube (2) to one end of the silencing tube (2) close to the outlet (12).
7. Vibration and noise reduction device according to any one of claims 2 to 5, characterized in that the elastic mass module (3) comprises a mass element (31) and an elastic element (32), a first end of the elastic element (32) is connected with the mass element (31), a second end of the elastic element (32) is fixedly arranged inside the sound-damping tube (2), the mass element (31) is arranged to be connected with the adjusting structure (14), the mass element (31) is provided with a flow port (311), and the inlet (11) is communicated with the inside of the sound-damping tube (2) through the flow port (311).
8. Vibration and noise reduction device according to claim 7, characterized in that the elastic mass module (3) further comprises a sliding member (33), the sliding member (33) being arranged in correspondence of the outer circumference of the mass member (31), the sliding member (33) being slidably connected with the inner wall of the sound damping tube (2).
9. Vibration and noise reduction device according to any one of claims 2 to 5, characterized in that the housing (1) further comprises an inlet pipe (15) and an outlet pipe (16), the second end of the inlet pipe (15) being connected to the adjustment structure (14), the first end of the inlet pipe (15) forming the inlet (11), the first end of the outlet pipe (16) being connected to the main body (13), the second end of the outlet pipe (16) forming the outlet (12).
10. A hydraulic system comprising a vibration and noise reduction device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410469469.3A CN118224431A (en) | 2024-04-18 | 2024-04-18 | Vibration and noise reduction device and hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410469469.3A CN118224431A (en) | 2024-04-18 | 2024-04-18 | Vibration and noise reduction device and hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118224431A true CN118224431A (en) | 2024-06-21 |
Family
ID=91503855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410469469.3A Pending CN118224431A (en) | 2024-04-18 | 2024-04-18 | Vibration and noise reduction device and hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118224431A (en) |
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2024
- 2024-04-18 CN CN202410469469.3A patent/CN118224431A/en active Pending
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