CN220020606U - Noise reduction bench of hydraulic pump station - Google Patents
Noise reduction bench of hydraulic pump station Download PDFInfo
- Publication number
- CN220020606U CN220020606U CN202321474976.3U CN202321474976U CN220020606U CN 220020606 U CN220020606 U CN 220020606U CN 202321474976 U CN202321474976 U CN 202321474976U CN 220020606 U CN220020606 U CN 220020606U
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- noise reduction
- hydraulic pump
- cover piece
- pump station
- magnet
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- 230000009467 reduction Effects 0.000 title claims abstract description 52
- 238000013016 damping Methods 0.000 claims abstract description 17
- 229920000742 Cotton Polymers 0.000 claims abstract description 15
- 230000030279 gene silencing Effects 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 claims description 11
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 9
- 230000005855 radiation Effects 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000011358 absorbing material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
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- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a noise reduction bench of a hydraulic pump station, which comprises a supporting table, a damping base, a cover body assembly and an active noise reduction assembly, wherein a groove is formed in the supporting table; the damping base is elastically arranged in the groove, and the hydraulic pump station is arranged on the damping base; the cover body assembly is arranged in a suspending mode and covered on the supporting table, and comprises an upper cover piece, a lower cover piece and silencing cotton, wherein the upper cover piece and the lower cover piece are integrally formed; the silencing cotton is detachably arranged on the inner wall of the upper cover piece; a plurality of through grooves are formed in the outer wall of the upper cover piece, and the through grooves extend through the silencing cotton; the through groove is in an inverted W shape; the active noise reduction assembly is disposed in the upper housing member. From this, the suspension type design of cover body subassembly effectively insulates the propagation of vibration radiation, and the mode of making an uproar falls simultaneously is various to effectively improved the noise reduction effect.
Description
Technical Field
The utility model relates to the technical field of noise reduction of a hydraulic pump station, in particular to a noise reduction rack of the hydraulic pump station.
Background
The noise of the hydraulic pump station is generated because when the pump station works, the motor and the hydraulic pump rotate at a high speed, and when the rotating part is unbalanced or the coupling is improperly processed, and the eccentric installation occurs, and the like, the rotating part can generate periodical unbalanced centrifugal force to cause strong vibration. Since this vibration acts directly on the pump station body, it causes propagation of the mechanical vibration radiation of the respective parts, thereby generating noise.
In recent years, with the development of hydraulic technology to high speed, high pressure and high power, the noise generated is increased, and the noise of a hydraulic pump in a hydraulic system occupies a great proportion, especially the problem of vibration noise pollution generated in a high-pressure high-flow hydraulic pump station can seriously affect the operation precision and mental and psychological health problems of related staff.
In order to reduce noise of the hydraulic pump station, vibration isolation pads are paved in the hydraulic pump station and the support bench in the prior art, so that vibration influence caused by a liquid supply system is reduced; and a sound insulation cover is arranged outside the hydraulic pump and is connected with the support rack so as to reduce the leakage of noise, but in the mode, the vibration generated during the operation of the hydraulic pump still radiates the sound insulation cover to generate vibration noise together, and the noise reduction form is single, so that the noise reduction effect is poor.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the utility model aims to provide the noise reduction rack of the hydraulic pump station, and the suspension type design of the cover body component effectively isolates the transmission of vibration radiation, and meanwhile, the noise reduction modes are various, so that the noise reduction effect is effectively improved.
In order to achieve the purpose, the utility model provides a noise reduction bench of a hydraulic pump station, which comprises a supporting table, a damping base, a cover body assembly and an active noise reduction assembly, wherein a groove is formed in the supporting table; the damping base is elastically arranged in the groove, and the hydraulic pump station is arranged on the damping base; the cover body assembly is arranged in a suspending mode and covered on the supporting table, and comprises an upper cover piece, a lower cover piece and silencing cotton, wherein the upper cover piece and the lower cover piece are integrally formed; the silencing cotton is detachably arranged on the inner wall of the upper cover piece; a plurality of through grooves are formed in the outer wall of the upper cover piece, and the through grooves extend through the silencing cotton; the through groove is in an inverted W shape; the active noise reduction assembly is disposed in the upper housing member.
According to the noise reduction bench of the hydraulic pump station, vibration of the hydraulic pump station can be reduced by using the damping base, noise is reduced, noise generated in the operation process of the hydraulic pump station is firstly absorbed by the noise reduction cotton through air propagation, meanwhile, when the noise is transmitted to the outside through the through groove, the upper cover piece absorbs part of the noise, the noise generated in the operation process of the hydraulic pump station can be actively collected by using the active noise reduction assembly, the generated anti-phase sound wave is counteracted with the generated noise sound wave after analysis processing, the purpose of active noise reduction is achieved, the cover body assembly is designed in a suspended mode, the transmission of vibration radiation can be effectively isolated, the noise reduction modes are various, and therefore the noise reduction effect is improved.
In addition, the noise reduction rack of the hydraulic pump station provided by the application can also have the following additional technical characteristics:
specifically, the active noise reduction assembly comprises a pickup, a loudspeaker and a controller, wherein the pickup, the loudspeaker and the controller are respectively arranged in the upper cover piece, and the pickup and the loudspeaker are respectively connected with the controller; the pickup and the speaker may be provided in plural.
The upper cover piece comprises a plurality of first magnets and a plurality of second magnets, wherein the first magnets are embedded into the bottom of the upper cover piece; the upper surface of the supporting table is embedded with a plurality of second magnets; the first magnet is arranged opposite to the second magnet, and the first magnet and the second magnet are magnetically repulsive.
The lower cover piece comprises a lower cover piece and a lower cover piece, and is characterized by further comprising a plurality of third magnets and a plurality of fourth magnets, wherein the third magnets are respectively arranged on four surfaces of the inner wall of the lower cover piece; the four surfaces of the side wall of the supporting table are respectively provided with the fourth magnet; the third magnet and the fourth magnet are arranged opposite to each other, and the third magnet and the fourth magnet are magnetically repulsive.
Specifically, the damping base comprises a base plate and a plurality of spring damping shock absorbers, wherein the hydraulic pump station is arranged on the base plate; a plurality of said spring-damper shock absorbers are disposed between said backing plate and said recess bottom wall.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a noise reduction stage of a hydraulic pump station according to an embodiment of the present utility model;
FIG. 2 is a schematic view showing an internal structure of a cover assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of the interior of a housing assembly according to one embodiment of the utility model;
fig. 4 is a schematic bottom view of a noise reduction stand of a hydraulic pump station according to an embodiment of the present utility model.
As shown in the figure: 1. a support table; 2. a shock absorbing base; 3. a cover assembly; 4. a first magnet; 5. a second magnet; 6. an active noise reduction assembly; 7. a third magnet; 8. a fourth magnet; 9. a hydraulic pump station; 10. a groove; 20. a backing plate; 21. a spring-damper shock absorber; 30. an upper cover member; 31. a lower cover member; 32. silencing cotton; 60. a sound pickup; 61. a speaker; 62. a controller; 200. and (5) through grooves.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. On the contrary, the embodiments of the utility model include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.
The noise reduction bench of the hydraulic pump station according to the embodiment of the utility model is described below with reference to the accompanying drawings.
The noise reduction bench for the hydraulic pump station provided by the embodiment of the utility model can be applied to a hydraulic system and is used for supporting the hydraulic pump station to play a role in supporting and reducing noise.
As shown in fig. 1, the noise reduction rack of the hydraulic pump station in the embodiment of the utility model can comprise a supporting table 1, a damping base 2, a cover body assembly 3 and an active noise reduction assembly 6.
Wherein, be provided with recess 10 on supporting bench 1, damping base 2 elasticity sets up in recess 10, and hydraulic power unit 9 arranges on damping base 2, cover body subassembly 3 suspension sets up the cover and establishes on supporting bench 1, cover body subassembly 3 includes cover piece 30, cover piece 31 and amortization cotton 32 down, wherein, cover piece 30 and cover piece 31 integrated into one piece down, amortization cotton 32 can dismantle the setting on the inner wall of cover piece 30, a plurality of logical grooves 200 have been seted up on the outer wall of cover piece 30, and logical groove 200 extends and runs through amortization cotton 32, logical groove 200 is the shape of falling W, initiative noise reduction subassembly 6 sets up in cover piece 30.
It should be noted that, the upper cover 30 and the lower cover 31 described in this example are made of sound-absorbing materials, where the sound-absorbing materials may be polyurethane foam, and have the characteristics of light weight and sound absorption, and the through groove 200 described in this example is inverted W-shaped, so that the number of reflections of sound waves in the through groove 200 can be increased, and the contact opportunity between the sound-absorbing materials and the sound waves can be increased, thereby improving the noise-absorbing effect, and the through groove 200 can also provide the heat dissipation property of the hydraulic pump station 9.
Specifically, the vibration of the hydraulic pump station 9 can be reduced by using the damping base 2, noise is reduced, noise generated in the operation process of the hydraulic pump station 9 is firstly absorbed by the silencing cotton 32 through air propagation, meanwhile, when the noise propagates to the outside through the through groove 200, the upper cover 30 absorbs part of the sound, the noise generated in the operation process of the hydraulic pump station 9 can be actively collected by using the active noise reduction component 6, and the generated anti-phase sound wave and the generated noise sound wave are counteracted after analysis processing, so that the purpose of active noise reduction is achieved, and the cover component is designed in a suspended mode, so that the propagation of vibration radiation can be effectively isolated, the noise reduction mode is various, and the noise reduction effect is improved.
As a possible case, in order to facilitate lifting of the cover assembly 3, two handles may be symmetrically provided on the outer wall of the cover assembly 3, and the related person may conveniently lift the cover assembly 3 by holding the handles.
In one embodiment of the present utility model, as shown in fig. 2, the active noise reduction assembly 6 may include a pickup 60, a speaker 61, and a controller 62, wherein the pickup 60, the speaker 61, and the controller 62 are respectively disposed in the upper cover 30, and the pickup 60 and the speaker 61 are respectively connected to the controller 62, and the pickup 60 and the speaker 61 may be disposed in plurality.
It should be noted that, the plurality of microphones 60 and speakers 61 described in this example may be disposed and distributed inside the upper cover member 30, so as to collect sound waves and emit sound waves in a wide range and in a multi-angle manner, wherein the speakers 61 may include a tweeter, a mid-tweeter and a compensation speaker, so that the frequency range is wider, and the active noise reduction effect is better.
Specifically, noise sound waves generated in the operation process of the hydraulic pump station 9 are collected through the pickup 60, collected data are sent to the controller 62, the controller 62 processes the data and controls the loudspeaker 61 to emit opposite-phase sound waves, and the opposite-phase sound waves are offset with the noise sound waves, so that the purpose of actively reducing noise is achieved.
Further, as shown in fig. 2, the noise reduction stand of the hydraulic pump station may further include a plurality of first magnets 4 and a plurality of second magnets 5, wherein the plurality of first magnets 4 are embedded in the bottom of the upper cover member 30, the plurality of second magnets 5 are embedded in the upper surface of the support stand 1, the first magnets 4 are disposed opposite to the second magnets 5, and the first magnets 4 magnetically repel the second magnets 5.
Specifically, the upper cover 30 can be suspended on the support base 1 by the mutually repulsive magnetic field generated between the first magnet 4 and the second magnet 5, so that contact with the support base 1 can be avoided, and propagation of the vibration amplitude can be further cut off.
Further, as shown in fig. 2, 3 and 4, the noise reduction stand of the hydraulic pump station may further include a plurality of third magnets 7 and a plurality of fourth magnets 8, wherein the four surfaces of the inner wall of the lower cover member 31 are respectively provided with the third magnets 7, the four surfaces of the side wall of the supporting stand 1 are respectively provided with the fourth magnets 8, the third magnets 7 and the fourth magnets 8 are oppositely arranged, and the third magnets 7 and the fourth magnets 8 are magnetically repulsed.
Specifically, the mutually exclusive magnetic field generated between the third magnet 7 and the fourth magnet 8 can be utilized to play a limiting role on the cover body assembly 3, so that the centering of the cover body assembly 3 can be ensured, the situation that the cover body assembly 3 is deviated is avoided, and the overall attractiveness and the noise reduction effect can be improved.
In one embodiment of the utility model, as shown in fig. 3, the shock mount 2 may comprise a backing plate 20 and a plurality of spring-damper shock absorbers 21, wherein the hydraulic pump station 9 is arranged on the backing plate 20, the plurality of spring-damper shock absorbers 21 being arranged between the backing plate 20 and the bottom wall of the recess 10.
Specifically, the spring damping shock absorber 21 can be utilized to perform vibration isolation in the process of vibration of the hydraulic pump station, so that the purpose of reducing noise is achieved, and secondly, the cushion plate 20 can absorb part of vibration force by using a rubber cushion plate, so that the propagation of noise is further reduced.
In summary, the noise reduction bench of the hydraulic pump station provided by the embodiment of the utility model has the advantages that the suspension type design of the cover body assembly effectively isolates the transmission of vibration radiation, and meanwhile, the noise reduction modes are various, so that the noise reduction effect is effectively improved.
In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (5)
1. The noise reduction bench of the hydraulic pump station is characterized by comprising a supporting table, a damping base, a cover body component and an active noise reduction component, wherein,
the supporting table is provided with a groove;
the damping base is elastically arranged in the groove, and the hydraulic pump station is arranged on the damping base;
the cover body component is suspended and arranged on the supporting table in a covering way and comprises an upper cover piece, a lower cover piece and silencing cotton, wherein,
the upper cover piece and the lower cover piece are integrally formed;
the silencing cotton is detachably arranged on the inner wall of the upper cover piece;
a plurality of through grooves are formed in the outer wall of the upper cover piece, and the through grooves extend through the silencing cotton;
the through groove is in an inverted W shape;
the active noise reduction assembly is disposed in the upper housing member.
2. The noise reduction stage of a hydraulic pump station of claim 1, wherein the active noise reduction assembly comprises a pickup, a speaker, and a controller, wherein,
the pickup, the loudspeaker and the controller are respectively arranged in the upper cover piece, and the pickup and the loudspeaker are respectively connected with the controller;
the pickup and the speaker may be provided in plural.
3. The noise reduction stage of a hydraulic pump station of claim 1, further comprising a plurality of first magnets and a plurality of second magnets, wherein,
the bottom of the upper cover piece is embedded with a plurality of first magnets;
the upper surface of the supporting table is embedded with a plurality of second magnets;
the first magnet is arranged opposite to the second magnet, and the first magnet and the second magnet are magnetically repulsive.
4. The noise reduction stage of a hydraulic pump station of claim 1, further comprising a plurality of third magnets and a plurality of fourth magnets, wherein,
the four surfaces of the inner wall of the lower cover piece are respectively provided with the third magnets;
the four surfaces of the side wall of the supporting table are respectively provided with the fourth magnet;
the third magnet and the fourth magnet are arranged opposite to each other, and the third magnet and the fourth magnet are magnetically repulsive.
5. The noise reduction stage of a hydraulic pump station of claim 1, wherein the shock mount comprises a backing plate and a plurality of spring-damped shock absorbers, wherein,
the hydraulic pump station is arranged on the backing plate;
a plurality of said spring-damper shock absorbers are disposed between said backing plate and said recess bottom wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474976.3U CN220020606U (en) | 2023-06-12 | 2023-06-12 | Noise reduction bench of hydraulic pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474976.3U CN220020606U (en) | 2023-06-12 | 2023-06-12 | Noise reduction bench of hydraulic pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020606U true CN220020606U (en) | 2023-11-14 |
Family
ID=88688990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321474976.3U Active CN220020606U (en) | 2023-06-12 | 2023-06-12 | Noise reduction bench of hydraulic pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020606U (en) |
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2023
- 2023-06-12 CN CN202321474976.3U patent/CN220020606U/en active Active
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