CN110822000A - Vibration absorber with adjustable vibration reduction frequency band and air conditioning unit - Google Patents
Vibration absorber with adjustable vibration reduction frequency band and air conditioning unit Download PDFInfo
- Publication number
- CN110822000A CN110822000A CN201911128464.XA CN201911128464A CN110822000A CN 110822000 A CN110822000 A CN 110822000A CN 201911128464 A CN201911128464 A CN 201911128464A CN 110822000 A CN110822000 A CN 110822000A
- Authority
- CN
- China
- Prior art keywords
- vibration absorber
- vibration
- damper
- shell
- counterweight
- 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
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 48
- 238000004378 air conditioning Methods 0.000 title claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 41
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 210000004907 gland Anatomy 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
Images
Classifications
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/1028—Vibration-dampers; Shock-absorbers using inertia effect the inertia-producing means being a constituent part of the system which is to be damped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/1034—Vibration-dampers; Shock-absorbers using inertia effect of movement of a liquid
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/116—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on metal springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a vibration absorber with adjustable vibration reduction frequency band and an air conditioning unit. The vibration absorber comprises a shell, a counterweight structure and an elastic piece, wherein the counterweight structure is arranged in the shell, the elastic piece is arranged between the counterweight structure and the bottom surface of the shell, and the elastic piece can deform under the extrusion of the counterweight structure. The vibration absorber with the adjustable vibration reduction frequency band and the air conditioning unit are provided with the balance weight structure and the elastic piece, the balance weight structure and a structure to be subjected to vibration reduction form anti-phase vibration by utilizing the deformation of the elastic piece, so that the vibration of the structure to be subjected to vibration reduction is transmitted to the balance weight structure, the vibration absorption and vibration reduction effects are realized, meanwhile, the number of the balance weight blocks is adjustable, the effective vibration reduction frequency band of the balance weight structure is adjusted, the vibration reduction frequency range of the vibration absorber is expanded, the damping spring can play a safety role on the damper, and meanwhile, the damping effect of the damper and the damping spring is adjusted by utilizing the matching position of the bolt and the thread section, so that the vibration.
Description
Technical Field
The invention relates to the technical field of vibration reduction equipment, in particular to a vibration absorber with adjustable vibration reduction frequency band and an air conditioning unit.
Background
The traditional rubber and metal dynamic vibration absorbers are influenced by the structure, the inherent frequency of the design of the traditional rubber and metal dynamic vibration absorbers is solidified after the procedures of rubber vulcanization and the like are finished, frequency modulation cannot be carried out, the traditional rubber and metal dynamic vibration absorbers are suitable for vibration sources with high consistency such as automobiles and the like, however, under the condition of different vibration frequency bands, different vibration absorbers need to be replaced to ensure the vibration absorbing efficiency, the dismounting operation process of the vibration absorbers is complicated, and the problem of cost increase exists,
disclosure of Invention
In order to solve the technical problem that the vibration reduction frequency band of the conventional vibration absorber is fixed and cannot be adapted to more vibration frequency bands, the vibration absorber with the adjustable vibration reduction frequency band and the air conditioning unit are provided, wherein the vibration reduction frequency band is adjusted by changing the mass of a counterweight structure.
A vibration absorber comprises a shell, a counterweight structure and an elastic piece, wherein the counterweight structure is arranged inside the shell, the elastic piece is arranged between the counterweight structure and the bottom surface of the shell, and the elastic piece can deform under the extrusion of the counterweight structure.
The counterweight structure is provided with a first side surface and a second side surface which are opposite, and elastic pieces are arranged between the first side surface and the bottom surface of the shell and between the second side surface and the structure to be damped.
The counterweight structure comprises a supporting plate and a counterweight block arranged on the supporting plate, the supporting plate is close to the side face of the bottom face of the shell to form a first side face, the supporting plate is far away from the side face of the bottom face of the shell to form a second side face, and the counterweight block is arranged on the first side face and/or the second side face.
Be provided with the counter weight hole in the backup pad, the balancing weight detachable set up in on the counter weight hole.
The quantity of weight port is a plurality of, all weight port evenly distributed in the backup pad.
The weight port is a through hole penetrating through the first side surface and the second side surface.
The elastic part comprises a damper, the first end of the damper is abutted to the supporting plate, and the other end of the damper is abutted to the bottom surface of the shell or the structure to be damped.
Each elastic part comprises a plurality of dampers, and all the dampers are uniformly distributed on the first side surface or the second side surface.
Each the quantity of the attenuator that the elastic component includes is four, the backup pad is square, and four the attenuator set up respectively in four apex angle departments of square.
The elastic part further comprises a damping spring, the damping spring is sleeved on the outer side of the damper, one end of the damping spring is abutted to the supporting plate, and the other end of the damping spring is abutted to the bottom surface of the shell or the structure to be damped.
The bottom surface of the shell is provided with an accommodating groove, and the end part of the damping spring extends into the accommodating groove and is abutted against the bottom surface of the accommodating groove.
The elastic part further comprises a gland, the gland is arranged at one end, away from the supporting plate, of the damper, and the end portion of the damping spring abuts against the gland.
The gland is provided with a guide block, the inner surface of the shell is provided with a guide groove, and the guide block freely slides in the guide groove along the deformation direction of the damper.
The end part of the damper is provided with a thread section, and the damper is fixedly arranged on the bottom surface of the shell through the thread section.
The end part of the damper is provided with a threaded section, the gland is fixedly arranged on the damper through a bolt, and the bolt can be freely movably arranged on the threaded section.
And an anti-collision rubber cushion is arranged on the bottom surface of the shell.
The vibration absorber further comprises a cover plate, and the cover plate is arranged between the elastic piece and the structure to be damped.
An air conditioning unit comprises the vibration absorber.
The vibration absorber with the adjustable vibration reduction frequency band and the air conditioning unit are provided with the balance weight structure and the elastic piece, the balance weight structure and a structure to be subjected to vibration reduction form anti-phase vibration by utilizing the deformation of the elastic piece, so that the vibration of the structure to be subjected to vibration reduction is transmitted to the balance weight structure, the vibration absorption and vibration reduction effects are realized, meanwhile, the number of the balance weight blocks is adjustable, the effective vibration reduction frequency band of the balance weight structure is adjusted, the vibration reduction frequency range of the vibration absorber is expanded, the damping spring can play a safety role on the damper, and meanwhile, the damping effect of the damper and the damping spring is adjusted by utilizing the matching position of the bolt and the thread section, so that the vibration.
Drawings
Fig. 1 is a schematic exploded view of a vibration absorber with adjustable vibration reduction frequency band and an air conditioning unit according to an embodiment of the invention;
FIG. 2 is an exploded view of the vibration absorber of the embodiment of the vibration absorber with adjustable vibration damping frequency band and the air conditioning unit provided by the present invention;
FIG. 3 is a schematic view illustrating an installation of a weight structure and an elastic member of an embodiment of the vibration absorber and the air conditioning unit with adjustable vibration damping frequency band according to the present invention;
fig. 4 is a schematic structural diagram of a supporting plate of an embodiment of the vibration absorber with adjustable vibration reduction frequency band and the air conditioning unit provided by the invention;
in the figure:
1. a housing; 2. a support plate; 3. a balancing weight; 4. a weight port; 5. a damper; 6. a damping spring; 7. a gland; 8. a guide block; 9. and a guide groove.
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 further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The vibration absorber shown in fig. 1 to 4 comprises a shell 1, a counterweight structure and an elastic piece, wherein the counterweight structure is arranged inside the shell 1, the elastic piece is arranged between the counterweight structure and the bottom surface of the shell 1, the elastic piece can deform under the extrusion of the counterweight structure, when the vibration absorption structure vibrates, the elastic piece deforms preferentially due to the vibration, and the counterweight structure can vibrate in an opposite phase with the vibration absorption structure due to the influence of self inertia, so that the vibration of the vibration absorption structure is transmitted to the counterweight structure by the deformation of the elastic piece, and the vibration absorption effect is realized.
The counter weight structure has relative first side and second side, first side with between the bottom surface of casing 1 and the second side with treat that shock-absorbing structure all is provided with the elastic component between, when treating shock-absorbing structure and producing vibration, treat that shock-absorbing structure extrudees the elastic component that is in on the second side, make the elastic component on the second side produce deformation, and drive the counter weight structure and remove, and the removal of counter weight structure drives the elastic component that is in the first side and deforms, thereby make the counter weight structure also vibrate, thereby will treat shock-absorbing structure's vibration transmission to counter weight structure on, but because of counter weight structure's self inertia problem, counter weight structure's vibration and the vibration of treating shock-absorbing structure form anti-phase vibration, thereby realize the damping effect.
The counter weight structure includes backup pad 2 and set up in balancing weight 3 in the backup pad 2, backup pad 2 is close to the side of the bottom surface of casing 1 forms the first side, just backup pad 2 keeps away from the side of the bottom surface of casing 1 forms the second side, balancing weight 3 set up in first side and/or the second side utilizes the weight of balancing weight 3 to make the counter weight structure have certain inertia to satisfy the purpose that the vibration of counter weight structure and the vibration of treating shock-absorbing structure offset, realize the damping effect.
Be provided with weight port 4 in the backup pad 2, 3 detachable of balancing weight set up in on the weight port 4, also the balancing weight 3 can set up on backup pad 2 as required detachable.
The quantity of weight port 4 is a plurality of, all weight port 4 evenly distributed in backup pad 2 is last, and the preferred rectangle that is distributes or be ring shape and distribute, guarantees that the weight of balancing weight 3 can evenly distributed in backup pad 2, prevents that backup pad 2 atress is uneven and produce the slope scheduling problem influence vibration effect.
The counterweight holes 4 are through holes penetrating through the first side surface and the second side surface, so that the counterweight blocks 3 can be arranged on the first side surface and/or the second side surface as required, preferably, the counterweight blocks 3 are arranged on the first side surface and the second side surface of the same counterweight hole 4, and the mass distribution uniformity of the counterweight blocks 3 is ensured.
The elastic component comprises a damper 5, the first end of the damper 5 is abutted to the supporting plate 2, the other end of the damper 5 is abutted to the bottom surface of the shell 1 or the structure to be damped, and preferably, the damper 5 is a particle oil pressure damper 5.
Each the elastic component all includes a plurality of attenuator 5, all attenuator 5 evenly distributed in first side or on the second side for on elastic component can evenly transmit vibration to counter weight structure in vibrations process, prevent that counter weight structure from producing the ascending vibration of incline and influencing the vibration effect.
Each elastic member includes four dampers 5, the support plate 2 is square, the four dampers 5 are respectively arranged at four vertex angles of the square, and preferably, the distance from each damper 5 to the center of the rectangle is equal.
The elastic component still includes damping spring 6, damping spring 6 cover is located the outside of attenuator 5, just damping spring 6's one end butt in backup pad 2 is last, the other end with the bottom surface of casing 1 or treat the shock-absorbing structure butt, utilize damping spring 6 and attenuator 5 to cooperate jointly to realize high damping effect, damping spring 6 can guarantee the damping effect under the condition that attenuator 5 became invalid simultaneously.
Be provided with the holding tank on the bottom surface of casing 1, damping spring 6's tip stretches into inside the holding tank and with the bottom surface butt of holding tank, preferably, the internal diameter of holding tank equals with damping spring 6's external diameter to avoid damping spring 6 to cause the problem that the displacement influences the damping effect because of the vibration.
The elastic component still includes gland 7, gland 7 set up in attenuator 5 keeps away from the one end of backup pad 2, just damping spring 6's tip butt in on gland 7, utilize gland 7 to connect attenuator 5 and damping spring 6 into a whole, realize high damping effect, gland 7 can make the deformation scope of attenuator 5 the same with damping spring 6's deformation scope simultaneously.
The gland 7 is provided with a guide block 8, the inner surface of the shell 1 is provided with a guide groove 9, the guide block 8 slides freely in the guide groove 9 along the deformation direction of the damper 5, the deformation direction of the elastic piece is limited, and the vibration reduction effect of the elastic piece is improved.
The end part of the damper 5 is provided with a thread section, and the damper 5 is fixedly arranged on the bottom surface of the shell 1 through the thread section.
The end part of the damper 5 is provided with a threaded section, the gland 7 is fixedly arranged on the damper 5 through a bolt, the bolt is freely movably arranged on the threaded section, and the distance from the gland 7 to the support plate 2 is adjusted by the movement of the bolt on the threaded section, so that the damping adjustment of the damper 5 and the damping spring 6 is realized, and the vibration reduction range of the vibration absorber is enlarged.
Be provided with the crashproof cushion on the bottom surface of casing 1, prevent that counter weight structure direct impact casing 1's bottom surface and cause structural damage.
The vibration absorber further comprises a cover plate, the cover plate is arranged between the elastic piece and the structure to be damped, vibration of the structure to be damped is uniformly distributed through the cover plate, and the vibration damping effect of the vibration absorber is guaranteed.
An air conditioning unit comprises the vibration absorber.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (18)
1. A vibration absorber, characterized by: including casing (1), counter weight structure and elastic component, the counter weight structure is in inside casing (1), the elastic component set up in the counter weight structure with between the bottom surface of casing (1), just the elastic component can produce deformation under the extrusion of counter weight structure, the quality of counter weight structure is adjustable.
2. The vibration absorber of claim 1 wherein: the counterweight structure is provided with a first side surface and a second side surface which are opposite, and elastic pieces are arranged between the first side surface and the bottom surface of the shell (1) and between the second side surface and a structure to be damped.
3. The vibration absorber of claim 2 wherein: the counterweight structure comprises a supporting plate (2) and a counterweight block (3) arranged on the supporting plate (2), wherein the supporting plate (2) is close to the side face of the bottom face of the shell (1) to form a first side face, the supporting plate (2) is far away from the side face of the bottom face of the shell (1) to form a second side face, and the counterweight block (3) is arranged on the first side face and/or the second side face.
4. The vibration absorber of claim 3 wherein: the support plate (2) is provided with a counterweight hole (4), and the counterweight block (3) is detachably arranged on the counterweight hole (4).
5. The vibration absorber of claim 4 wherein: the number of the weight holes (4) is multiple, and all the weight holes (4) are uniformly distributed on the supporting plate (2).
6. The vibration absorber of claim 4 or 5 wherein: the weight hole (4) is a through hole penetrating through the first side surface and the second side surface.
7. The vibration absorber of claim 3 wherein: the elastic part comprises a damper (5), the first end of the damper (5) is abutted to the supporting plate (2), and the other end of the damper (5) is abutted to the bottom surface of the shell (1) or the structure to be damped.
8. The vibration absorber of claim 7 wherein: each elastic part comprises a plurality of dampers (5), and all the dampers (5) are uniformly distributed on the first side surface or the second side surface.
9. The vibration absorber of claim 8 wherein: each elastic piece includes attenuator (5) four in quantity, backup pad (2) are square, and four attenuator (5) set up respectively in four apex angle departments of square.
10. The vibration absorber of claim 7 wherein: the elastic part further comprises a damping spring (6), the damping spring (6) is sleeved on the outer side of the damper (5), one end of the damping spring (6) is abutted to the supporting plate (2), and the other end of the damping spring is abutted to the bottom surface of the shell (1) or the structure to be damped.
11. The vibration absorber of claim 10 wherein: the bottom surface of the shell (1) is provided with an accommodating groove, and the end part of the damping spring (6) extends into the accommodating groove and is abutted against the bottom surface of the accommodating groove.
12. The vibration absorber of claim 10 wherein: the elastic part further comprises a pressing cover (7), the pressing cover (7) is arranged at one end, far away from the supporting plate (2), of the damper (5), and the end portion of the damping spring (6) abuts against the pressing cover (7).
13. The vibration absorber of claim 12 wherein: be provided with guide block (8) on gland (7), be provided with guide slot (9) on the internal surface of casing (1), just guide block (8) are in follow in guide slot (9) the deformation direction free slip of attenuator (5).
14. The vibration absorber of claim 12 wherein: the end part of the damper (5) is provided with a threaded section, and the damper (5) is fixedly arranged on the bottom surface of the shell (1) through the threaded section.
15. The vibration absorber of claim 12 wherein: the end part of the damper (5) is provided with a threaded section, the gland (7) is fixedly arranged on the threaded section of the damper (5) through a bolt, and the bolt is adjustably arranged on the threaded section.
16. The vibration absorber of claim 1 wherein: and an anti-collision rubber mat is arranged on the bottom surface of the shell (1).
17. The vibration absorber of claim 2 wherein: the vibration absorber further comprises a cover plate, and the cover plate is arranged between the elastic piece and the structure to be damped.
18. An air conditioning unit, its characterized in that: comprising the vibration absorber of any one of claims 1 to 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128464.XA CN110822000B (en) | 2019-11-18 | 2019-11-18 | Vibration absorber with adjustable vibration reduction frequency band and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128464.XA CN110822000B (en) | 2019-11-18 | 2019-11-18 | Vibration absorber with adjustable vibration reduction frequency band and air conditioning unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110822000A true CN110822000A (en) | 2020-02-21 |
| CN110822000B CN110822000B (en) | 2023-12-22 |
Family
ID=69556380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911128464.XA Active CN110822000B (en) | 2019-11-18 | 2019-11-18 | Vibration absorber with adjustable vibration reduction frequency band and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110822000B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016409A (en) * | 1987-04-28 | 1991-05-21 | Shimizu Construction Co., Ltd. | Method for restraining response of a structure to outside disturbances and apparatus therefor |
| CN106401004A (en) * | 2016-12-07 | 2017-02-15 | 山东大学 | Multidirectional rolling type vibration absorption damper |
| CN106677366A (en) * | 2015-11-06 | 2017-05-17 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| CN206706552U (en) * | 2017-03-14 | 2017-12-05 | 武汉理工大学 | A kind of cable-stayed bridge ballast formula lateral vibration absorbing device |
| CN108716519A (en) * | 2018-07-02 | 2018-10-30 | 国网湖南省电力有限公司 | A kind of variable element dynamic vibration absorber |
| CN108797311A (en) * | 2018-07-18 | 2018-11-13 | 武汉理工大学 | A kind of eddy current tuned mass damper and design method for cable way bridge |
| CN109488714A (en) * | 2018-10-11 | 2019-03-19 | 同济大学 | A kind of built-in shock-absorbing means of rail vehicle helical spring |
| CN109630584A (en) * | 2018-12-03 | 2019-04-16 | 北京新立机械有限责任公司 | A kind of stacked damper mechanism based on tuned mass damper |
| CN211624051U (en) * | 2019-11-18 | 2020-10-02 | 珠海格力电器股份有限公司 | Vibration absorber and air conditioning unit |
-
2019
- 2019-11-18 CN CN201911128464.XA patent/CN110822000B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016409A (en) * | 1987-04-28 | 1991-05-21 | Shimizu Construction Co., Ltd. | Method for restraining response of a structure to outside disturbances and apparatus therefor |
| CN106677366A (en) * | 2015-11-06 | 2017-05-17 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| CN106401004A (en) * | 2016-12-07 | 2017-02-15 | 山东大学 | Multidirectional rolling type vibration absorption damper |
| CN206706552U (en) * | 2017-03-14 | 2017-12-05 | 武汉理工大学 | A kind of cable-stayed bridge ballast formula lateral vibration absorbing device |
| CN108716519A (en) * | 2018-07-02 | 2018-10-30 | 国网湖南省电力有限公司 | A kind of variable element dynamic vibration absorber |
| CN108797311A (en) * | 2018-07-18 | 2018-11-13 | 武汉理工大学 | A kind of eddy current tuned mass damper and design method for cable way bridge |
| CN109488714A (en) * | 2018-10-11 | 2019-03-19 | 同济大学 | A kind of built-in shock-absorbing means of rail vehicle helical spring |
| CN109630584A (en) * | 2018-12-03 | 2019-04-16 | 北京新立机械有限责任公司 | A kind of stacked damper mechanism based on tuned mass damper |
| CN211624051U (en) * | 2019-11-18 | 2020-10-02 | 珠海格力电器股份有限公司 | Vibration absorber and air conditioning unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110822000B (en) | 2023-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211624051U (en) | Vibration absorber and air conditioning unit | |
| US20200355166A1 (en) | Tower vibration damper | |
| CN104265819A (en) | Linear anti-vibration and nonlinear strong-impact-resistant type isolator | |
| CN109826895A (en) | A kind of granule damper for hollow shaft | |
| SK127096A3 (en) | Vibration and sound absorber | |
| CN110822000A (en) | Vibration absorber with adjustable vibration reduction frequency band and air conditioning unit | |
| CN105927707B (en) | A kind of Small electronic component double-layer damper based on flat spring | |
| CN206972809U (en) | Vehicle bump leveller | |
| CN205896008U (en) | Low frequency vibration isolation platform | |
| CN112065921A (en) | Vibration damper, compressor and water chilling unit | |
| CN107461325A (en) | A kind of supercharging pump group part of damping noise reduction | |
| CN109505912A (en) | Half active Frequency Adjustable dynamic vibration absorber and vibration absorption method based on magnetorheological fluid characteristic | |
| CN108944320A (en) | Damper after-poppet | |
| CN110848128A (en) | Water purifier booster pump shock-absorbing structure | |
| JP2011144605A (en) | Vibration isolating structure of construction machine | |
| CN210098001U (en) | Fog gun with shake-inhibiting pitching mechanism | |
| KR102238046B1 (en) | Danymic damper assembly | |
| RU65055U1 (en) | SHOCK ABSORBER UNIVERSAL SHIPPED | |
| CN209228719U (en) | A kind of centrifugal blower motor shock-absorbing device | |
| CN207661040U (en) | Dynamic vibration absorber is easily adjusted based on Frequency Adjustable | |
| CN206636724U (en) | A kind of mute shock absorption formula air compressor | |
| CN105442275A (en) | Noise-reducing assembly and washing machine | |
| CN219159828U (en) | Suspension impact type energy-absorbing shock absorber | |
| CN106641459B (en) | A kind of pipe-line system vibration damping support device | |
| CN217002425U (en) | Centrifugal fan with damping device at bottom |
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 |