CN113653765A - Vibration damping device and electromechanical apparatus - Google Patents
Vibration damping device and electromechanical apparatus Download PDFInfo
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- CN113653765A CN113653765A CN202111063895.XA CN202111063895A CN113653765A CN 113653765 A CN113653765 A CN 113653765A CN 202111063895 A CN202111063895 A CN 202111063895A CN 113653765 A CN113653765 A CN 113653765A
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- Prior art keywords
- vibration
- bracket
- vibration damping
- resonant
- mounting
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- 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
- F16F15/08—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 rubber springs ; with springs made of rubber and metal
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vibration damping device and electromechanical equipment, and relates to the technical field of vibration. The vibration damping device is characterized in that the vibration damping component comprises a resonance bracket, one end of the resonance bracket is connected with the supporting piece, and a counterweight part is arranged on the resonance bracket, so that the vibration frequencies of the resonance bracket and the supporting piece are within a preset range. The structure of the shock absorption component on the motor support is simplified, and the shock absorption component is convenient to mount and maintain.
Description
Technical Field
The invention relates to the technical field of vibration, in particular to a vibration damping device and electromechanical equipment.
Background
With the rapid development of domestic economy, air conditioners are used in more and more occasions, and become one of indispensable articles for daily use. The demand of commercial air conditioners in large public places such as communities, hospitals, gymnasiums and the like is stronger, and meanwhile, noise generated by vibration during operation of a large air conditioner unit also brings certain trouble to people.
At present, vibration noise of a large air conditioning unit mainly comes from vibration of a motor during working, and due to hard contact among the motor, a motor bracket and a shell, when the motor is in large vibration during operation and production, the vibration of the shell of the whole air conditioning unit is large, and the service lives of components and pipelines of the unit are affected.
In order to solve the technical problem, often set up the shock attenuation callus on the sole between motor support and casing, reduce the vibration that the motor support transmitted for the casing, thereby reduce the vibration noise, thereby it further reduces support piece's vibration to assist simultaneously to absorb the vibration of motor support with the shock absorption subassembly, but the structure of the shock absorption subassembly of current nevertheless is complicated, be not convenient for installation and maintenance, consequently how simplify the structure of inhaling the shock absorption subassembly on the motor support, be convenient for inhale the installation and the maintenance of shock absorption subassembly, become the technological problem who awaits the solution urgently.
Disclosure of Invention
The invention mainly aims to provide a vibration damping device and electromechanical equipment, and aims to simplify the structure of a vibration absorption component on a motor support and facilitate the installation and maintenance of the vibration absorption component.
In order to achieve the above object, the present invention provides a vibration damping device, which includes a support for mounting a vibration source, wherein the support is provided with a vibration damping assembly and at least one vibration absorbing assembly, the vibration absorbing assembly includes a resonant bracket having one end connected to the support, and the resonant bracket is provided with a weight member for making the vibration frequencies of the resonant bracket and the support within a predetermined range.
In an embodiment of the application, a guide groove is further formed in the resonant bracket along the length direction of the resonant bracket, and the counterweight is clamped in the guide groove and can slide along the length direction of the guide groove to adjust the vibration frequency of the resonant bracket.
In an embodiment of the present application, two vibration absorbing assemblies are provided and are uniformly distributed on the supporting frame.
In an embodiment of the present application, the supporting member is provided with two mounting through holes, which are a first mounting through hole and a second mounting through hole respectively;
the two vibration absorption components are respectively a first vibration absorption component and a second vibration absorption component, the fixed end of the resonance bracket of the first vibration absorption component is connected to the supporting piece, and the free end of the resonance bracket of the first vibration absorption component is positioned in the first mounting through hole;
the fixed end of the resonance bracket of the second vibration absorbing component is connected with the supporting piece, and the free end of the resonance bracket of the second vibration absorbing component is positioned in the second mounting through hole.
In an embodiment of the present application, the resonant mounts of the first vibration absorbing assembly and the resonant mounts of the second vibration absorbing assembly are parallel to each other and have opposite extending directions of the free ends.
In an embodiment of the present application, the resonant bracket and the supporting member are connected by a bolt.
In an embodiment of the present application, the thickness of the resonant support is a metal strip smaller than a predetermined threshold.
In an embodiment of the present application, the vibration damping assembly is a vibration damping rubber pad disposed on the mounting portion of the supporting member.
The application also discloses electromechanical equipment, including the motor, the motor is installed in as above arbitrary one the damping device on.
In an embodiment of the present application, the electromechanical device comprises an air conditioning unit.
By adopting the technical scheme, the vibration absorption component comprises a resonance bracket with one end connected to the support, and a counterweight part which enables the resonance bracket and the support part to be at the same vibration frequency is arranged on the resonance bracket. When the supporting piece vibrates, the resonance bracket, the balance weight piece and the supporting piece resonate, and the vibration energy of the supporting piece is consumed through the resonance principle, so that the vibration of the supporting piece is reduced. The device has the advantages of simple structure, convenience in installation and maintenance, small occupied space and the like.
Drawings
The invention is described in detail below with reference to specific embodiments and the attached drawing figures, wherein:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the first vibration absorbing assembly of fig. 1.
Fig. 3 is an enlarged schematic structural view of the vibration damping module of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and examples. It should be understood that the following specific examples are only for illustrating the present invention and are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, in order to achieve the above object, the present invention provides a vibration damping device 100, which includes a support 10 for mounting a vibration source 60, a vibration damping assembly 20 and at least one vibration absorbing assembly are disposed on the support 10, the vibration absorbing assembly includes a resonant bracket 31 having one end connected to the support 10, and a weight 32 is disposed on the resonant bracket 31 for setting the vibration frequencies of the resonant bracket 31 and the support 10 within a predetermined range.
Specifically, the supporting member 10 is made of a metal material, such as an aluminum alloy, a steel plate, and the like, and the supporting member 10 supported by the metal material has the advantages of strong supporting capability, wear resistance, good heat conductivity, and the like. The vibration source 60 is an electrically driven device such as a motor that generates vibrations. In order to ensure the stability of the operation of the vibration source 60, the vibration source 60 is hard-coupled to the support 10. The hard connection in this application is the lug connection, and the junction does not set up any shock attenuation bolster.
The vibration source 60 is detachably connected with the support member 10, for example, by screws, clamping, or the like, and the vibration source is detachably connected with the support member, so that later maintenance is facilitated. Of course, the connection can also be realized by adopting a fixed connection mode according to the design requirement, such as welding, integral forming and the like. The connection by means of a fixed connection improves the stability of the connection between the support 10 and the vibration source 60.
The support 10 is provided with a vibration damping assembly 20 and a vibration absorption assembly, and the vibration damping assembly 20 is mainly used for damping vibration conduction when the support 10 is connected with other components. The vibration absorbing assembly is mainly used to absorb the vibration of the support 10, thereby achieving a reduction in the vibration of the support 10 itself.
The vibration absorbing assembly includes a resonant bracket 31 having one end connected to the support member 10, and the resonant bracket 31 is made of the same material as the support member 10, with the same technical effects. Meanwhile, due to the fact that the materials between the support 10 and the resonance support 31 are the same, the natural frequencies between the resonance support 31 and the support 10 can be the same, and the vibration energy of the support 10 can be conveniently absorbed by adopting the resonance principle in the following process.
The resonant bracket 31 is connected with a weight 32 which enables the vibration frequency of the resonant bracket 31 and the support member 10 to be in a preset range, and the weight 32 is a metal block. Among them, it is preferable to equalize the vibration frequency between the resonance frame 31 and the support 10.
With the above technical solution, the vibration absorbing assembly includes a resonant bracket 31 having one end connected to the support, and a weight 32 disposed on the resonant bracket 31 for making the resonant bracket 31 and the support 10 have the same vibration frequency. When the support member 10 vibrates, the resonant bracket 31 and the weight member 32 resonate with the support member 10 at this time, and the vibration energy of the support member 10 itself is consumed by the principle of resonance, thereby reducing the vibration of the support member 10. The device has the advantages of simple structure, convenience in installation and maintenance, small occupied space and the like.
In an embodiment of the present invention, the resonant holder 31 is further provided with a guide slot 311 along a longitudinal direction thereof, and the weight 32 is engaged with the guide slot 311 and is slidable along the longitudinal direction of the guide slot 311 to adjust a vibration frequency of the resonant holder 31.
Specifically, a guide slot 311 is fixedly arranged on the resonant bracket 31, the length direction of the guide slot 311 is consistent with the length direction of the resonant bracket 31, and the counterweight 32 is clamped in the guide slot 311 and can reciprocate along the length direction of the guide slot 311, so that the adjustment of the vibration frequency of the resonant bracket 31 is realized.
A set screw 321 is further provided on the top of the weight 32, and when the weight 32 moves to a designated position, the weight 32 may be locked by the set screw 321.
By adopting the technical scheme, the guide slot 311 is formed in the resonant bracket 31, and the counterweight 32 is slidably connected to the guide slot 311, so that the vibration frequency of the resonant bracket 31 can be adjusted by adjusting the position of the counterweight 32 on the guide slot 311, the structure is simple, and the adjustment is convenient.
In an embodiment of the present application, two vibration absorbing assemblies are provided and are uniformly distributed on the supporting frame.
Specifically, the vibration absorbing assemblies are provided in two, and the vibration energy absorbed by the vibration absorbing assemblies can be increased by providing two vibration absorbing assemblies, thereby further reducing the vibration of the support member 10. The two vibration absorption components are uniformly distributed on the support frame, so that the stress of the support frame is balanced, and the gravity center balance of the support frame is ensured.
In an embodiment of the present application, the supporting member 10 is provided with two mounting through holes, namely a first mounting through hole 11 and a second mounting through hole 12;
the two vibration absorbing assemblies are respectively a first vibration absorbing assembly 40 and a second vibration absorbing assembly 50, the fixed end of the resonant bracket 31 of the first vibration absorbing assembly 40 is connected to the support 10, and the free end is positioned in the first mounting through hole 11;
the resonance frame 31 of the second vibration absorbing member 50 has a fixed end connected to the support member 10 and a free end located in the second mounting through hole 12.
Specifically, the vibration source 60 is installed at the center of the support 10, and two installation through holes, namely a first installation through hole 11 and a second installation through hole 12, are respectively formed at two sides of the vibration source 60 along the length direction of the support 10.
The two vibration absorbing assemblies are a first vibration absorbing assembly 40 and a second vibration absorbing assembly 50, respectively, the fixed end of the resonant bracket 31 of the first vibration absorbing assembly 40 is connected to the supporting bracket, and the free end of the first vibration absorbing assembly 40 extends into the first mounting through hole 11.
The fixed end of the resonant bracket 31 of the second vibration absorbing member 50 is attached to the support frame and the free end of the second vibration absorbing member 50 extends into the second mounting through hole 12.
By adopting the technical scheme, the two mounting through holes are formed in the support 10, the weight of the support 10 can be reduced, the free ends of the first vibration absorption component 40 and the second vibration absorption component 50 respectively extend into the first mounting through hole 11 and the second mounting through hole 12, the space occupation of the vibration absorption components can be reduced, and the installation of other components is facilitated.
In one embodiment of the present application, the resonant mounts of the first vibration absorbing assembly 40 and the resonant mounts of the second vibration absorbing assembly 50 are parallel to each other and have free ends extending in opposite directions.
Specifically, the resonant mounts of the first vibration absorbing assembly 40 and the resonant mounts of the second vibration absorbing assembly 50 are disposed parallel to each other, and the free end of the resonant mount of the first vibration absorbing assembly 40 extends in a direction opposite to the direction in which the free end of the resonant mount of the second vibration absorbing assembly 50 extends. Through this kind of design, can be very big assurance support piece 10 focus stable, guarantee support piece 10 holistic balance.
In an embodiment of the present application, the resonant bracket 31 is connected to the supporting member 10 by a bolt.
Specifically, the resonant bracket 31 is connected with the supporting member 10 through a bolt, so that the mounting and dismounting at the later stage are facilitated.
In an embodiment of the present application, the thickness of the resonant support 31 is a metal strip smaller than a preset threshold.
Specifically, the thickness of the resonant bracket 31 is a metal strip smaller than a preset threshold, and the preset threshold of the resonant bracket 31 is the thickness of the support frame.
By adopting the technical scheme, resonance is generated between the resonance bracket 31 and the supporting piece 10, so that the energy unloading effect is realized.
In an embodiment of the present application, the damping assembly 20 is a damping rubber pad disposed on the mounting portion 13 of the supporting member 10.
Specifically, both ends of support piece 10 are equipped with installation department 13, and the damping cushion sets up on the installation department 13 at support piece 10 both ends, can reduce the vibration conduction between support piece 10 installation department 13 and other connecting pieces through the damping cushion to realize reducing the effect of vibration noise.
The application also discloses an electromechanical device comprising a motor mounted on the vibration damping device 100 as described above.
In an embodiment of the present application, the electromechanical device comprises an air conditioning unit.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A vibration damping device comprises a supporting piece for mounting a vibration source, wherein the supporting piece is provided with a vibration damping component and at least one vibration absorption component, and the vibration damping device is characterized in that the vibration absorption component comprises a resonance bracket, one end of the resonance bracket is connected with the supporting piece, and the resonance bracket is provided with a counterweight, so that the vibration frequencies of the resonance bracket and the supporting piece are within a preset range.
2. The vibration damping device according to claim 1, wherein the resonant bracket further has a guide groove formed along a longitudinal direction thereof, and the weight member is engaged with the guide groove and slidable along the longitudinal direction of the guide groove to adjust a vibration frequency of the resonant bracket.
3. The vibration damping apparatus of claim 1 wherein there are two of said vibration absorbing assemblies and said vibration absorbing assemblies are evenly distributed on said support frame.
4. The vibration damping device according to claim 3, wherein the support member is provided with two mounting through holes, a first mounting through hole and a second mounting through hole;
the two vibration absorption components are respectively a first vibration absorption component and a second vibration absorption component, the fixed end of the resonance bracket of the first vibration absorption component is connected to the supporting piece, and the free end of the resonance bracket of the first vibration absorption component is positioned in the first mounting through hole;
the fixed end of the resonance bracket of the second vibration absorbing component is connected with the supporting piece, and the free end of the resonance bracket of the second vibration absorbing component is positioned in the second mounting through hole.
5. The vibration damping apparatus according to claim 4, wherein the resonant mounts of said first vibration absorbing assembly and the resonant mounts of said second vibration absorbing assembly are parallel to each other and have free ends extending in opposite directions.
6. The vibration damping device according to claim 1, wherein the resonant bracket is connected to the support member by a bolt.
7. The vibration damping device according to claim 1, wherein the thickness of the resonant mount is a metal strip less than a predetermined threshold.
8. The vibration damping device of claim 1 wherein the vibration damping assembly is a vibration damping rubber pad disposed on the mounting portion of the support member.
9. An electromechanical device comprising an electric motor, characterised in that the electric motor is mounted on a vibration damping device according to any one of claims 1 to 8.
10. The electromechanical device of claim 9, wherein the electromechanical device comprises an air conditioning unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063895.XA CN113653765A (en) | 2021-09-10 | 2021-09-10 | Vibration damping device and electromechanical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063895.XA CN113653765A (en) | 2021-09-10 | 2021-09-10 | Vibration damping device and electromechanical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113653765A true CN113653765A (en) | 2021-11-16 |
Family
ID=78483686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111063895.XA Pending CN113653765A (en) | 2021-09-10 | 2021-09-10 | Vibration damping device and electromechanical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113653765A (en) |
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2021
- 2021-09-10 CN CN202111063895.XA patent/CN113653765A/en active Pending
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