CN212131166U - Friction-viscous damper capable of providing composite damping - Google Patents
Friction-viscous damper capable of providing composite damping Download PDFInfo
- Publication number
- CN212131166U CN212131166U CN202020575607.3U CN202020575607U CN212131166U CN 212131166 U CN212131166 U CN 212131166U CN 202020575607 U CN202020575607 U CN 202020575607U CN 212131166 U CN212131166 U CN 212131166U
- Authority
- CN
- China
- Prior art keywords
- main cylinder
- friction
- cylinder barrel
- damping
- viscous damper
- 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.)
- Active
Links
- 238000013016 damping Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 9
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 4
- 241001330002 Bambuseae Species 0.000 abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 4
- 239000011425 bamboo Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model provides a friction-viscous damper capable of providing composite damping, which comprises a main cylinder barrel and a guide rod reciprocating along the axial direction of the main cylinder barrel, wherein a cavity of the main cylinder barrel is filled with methyl silicone oil, two ends of the main cylinder barrel are provided with guide sleeves, and the guide rod moves in the guide sleeves; a pressurizing piston and a friction plate are sequentially sleeved outside the guide rod, and the friction plate is contacted with the side wall of the inner cavity of the main cylinder barrel; the pressurizing piston is provided with a through hole for placing a damping rod; the utility model discloses combine friction damper and viscous damper, form compound damped power consumption system, improved the damping force by a wide margin to effectively alleviate because of the reciprocating motion of piston to the wearing and tearing of main cylinder section of thick bamboo, avoid appearing the condition of drawing the jar, guarantee the effective sealing between piston and the main cylinder section of thick bamboo.
Description
Technical Field
The utility model relates to a structural damping technical field especially relates to a can provide compound damped friction-viscous damper.
Background
With the improvement of safety consciousness of people, energy-consuming and shock-absorbing technologies are widely researched and applied in various countries in the world. The viscous damper has the advantages of obvious damping effect, simple structure, long service life and the like as a speed-related damper, and is widely applied to the field of structural damping.
However, the conventional viscous damper has some disadvantages: the speed between the structural layers is limited, the diameter and the length of the cylinder barrel need to be increased in order to increase the damping force, and the space is limited in practical application; the displacement between the structural layers is limited, and the energy consumption capability of the viscous damper is limited. In addition, in the conventional viscous damper, the abrasion of the main cylinder barrel caused by the reciprocating motion of the piston can affect the sealing effect between the piston and the main cylinder barrel, and the service life of the damper is shortened. The utility model discloses a friction-viscous damper that can provide compound damping has been designed very much, has overcome the above-mentioned defect of traditional viscous damper.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome the defect that prior art exists, the utility model provides a can provide compound damped friction-viscous damper combines friction damper and viscous damper, forms compound damped power consumption system, has improved the damping force by a wide margin to effectively alleviate because of the reciprocating motion of piston to the wearing and tearing of main cylinder section of thick bamboo, avoid appearing the condition of drawing the jar, guarantee the effective sealing between piston and the main cylinder section of thick bamboo.
In order to solve the technical problem, the utility model discloses a technical scheme is: a friction-viscous damper capable of providing composite damping comprises a main cylinder barrel and a guide rod reciprocating along the axial direction of the main cylinder barrel, wherein a cavity of the main cylinder barrel is filled with methyl silicone oil, two ends of the cavity are provided with guide sleeves, and the guide rod moves in the guide sleeves; a pressurizing piston and a friction plate are sequentially sleeved outside the guide rod, and the friction plate is contacted with the side wall of the inner cavity of the main cylinder barrel; the pressurizing piston is provided with a through hole for placing a damping rod; the damping rod (6) is provided with a through hole which penetrates through the damping rod (6) in the length direction.
Furthermore, friction lines are arranged on the inner wall, in contact with the friction plate, of the main cylinder barrel.
Furthermore, the outside of the guide sleeve is provided with a compression nut for compressing and fixing the guide sleeve in the main cylinder barrel.
Compared with the prior art, the beneficial effects of the utility model include:
by arranging the friction plate and the damping rod at the same time, the damping force is greatly improved, and the energy consumption capability of the viscous damper is greatly improved.
The size is small, the production cost is reduced, the structure is simple, and the workpiece is easy to mount.
The abrasion of the piston to the main cylinder barrel is reduced, the condition of cylinder pulling is avoided, and effective sealing between the piston and the main cylinder barrel is ensured.
Drawings
The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 schematically shows a schematic structure of a friction-viscous damper capable of providing composite damping according to an embodiment of the present invention.
Reference numbers in the figures: 1-main cylinder barrel, 2-guide sleeve, 3-guide rod, 4-friction plate, 5-booster piston, 6-damping rod and 7-compression nut.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.
According to an embodiment of the present invention, as shown in fig. 1, a friction-viscous damper capable of providing composite damping includes a main cylinder barrel 1 and a guide rod 3 reciprocating along an axial direction of the main cylinder barrel 1, a cavity of the main cylinder barrel 1 is filled with methyl silicone oil, and two ends of the main cylinder barrel 1 are both provided with guide sleeves 2, the guide rod 3 is located in a middle portion of the main cylinder barrel 1 and moves between the guide sleeves 2; a pressurizing piston 5 and a friction plate 4 are sequentially sleeved outside the guide rod 3, and the friction plate 4 is contacted with the side wall of the inner cavity of the main cylinder barrel 1; at least two through holes are symmetrically formed in the pressurizing piston 5, the damping rod 6 is embedded into the through holes, and through holes penetrating through the damping rod 6 in the length direction are formed in the damping rod 6.
The friction lines are arranged on the inner wall of the main cylinder barrel 1, which is in contact with the friction plate 4, and the friction lines can be in a dot shape, a stripe shape or a ripple shape and are used for increasing the friction force between the friction plate 4 and the inner wall of the main cylinder barrel 1.
The main cylinder barrel can also be of a split structure, the main cylinder barrel 1 comprises connecting pieces at two ends and annular friction bodies, the friction bodies are fixedly connected with the connecting pieces, the guide rod 3 and the piston 5 are located in the main cylinder barrel 1, and the friction plate 4 is in contact with the friction bodies to obtain friction force, so that the prior kinetic energy of earthquake acting force is converted into internal energy.
The outer sides of the guide sleeves 2 are provided with compression nuts 7 for compressing and fixing the guide sleeves 2 in the main cylinder barrel 1, and the guide rod 3 can stably move back and forth in the main cylinder barrel 1.
When an earthquake occurs, the guide rod 3 moves under the action of earthquake force, so that the pressurizing piston 5 and the friction plate 4 which are sequentially sleeved outside the guide rod 3 are driven to move, the methyl silicone oil is driven to move, a plurality of damping rods 6 with through holes are embedded in the pressurizing piston 5, the methyl silicone oil driven to move impacts the methyl silicone oil which is not driven through the through holes of the damping rods 6 in the moving process, the momentum of the methyl silicone oil driven to move is reduced in the impacting process, the methyl silicone oil which is not driven to move obtains momentum, and the sum of the momentum of the methyl silicone oil and the momentum is kept unchanged. When the kinetic energy is reduced, the kinetic energy is lost due to collision between the methyl silicone oil which moves fast and the driven methyl silicone oil which moves slowly, the lost kinetic energy is converted into heat, and the anti-seismic and shock-absorbing effects are achieved; meanwhile, when the booster piston 5 moves left and right, a pressure difference is generated between the left cavity and the right cavity, and the pressure is transmitted to the friction plate 4 through the booster piston 5, so that extrusion friction is generated between the friction plate 4 and a friction body, kinetic energy is converted into heat energy, and the purpose of shock absorption is achieved; the event the utility model discloses just realize according with the absorbing effect of damping power consumption, damping force is provided jointly by viscous damping force and frictional damping power two parts promptly, has improved shock-absorbing efficiency of antidetonation and effect greatly.
The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.
Claims (3)
1. A friction-viscous damper capable of providing composite damping comprises a main cylinder barrel (1) and a guide rod (3) which reciprocates along the axial direction of the main cylinder barrel (1), and is characterized in that methyl silicone oil is filled in the cavity of the main cylinder barrel (1), guide sleeves (2) are arranged at two ends of the cavity, and the guide rod (3) moves in the guide sleeves (2); a pressurizing piston (5) and a friction plate (4) are sequentially sleeved outside the guide rod (3), and the friction plate (4) is contacted with the side wall of the inner cavity of the main cylinder barrel (1); the pressurizing piston (5) is provided with a through hole for placing a damping rod (6); the damping rod (6) is provided with a through hole which penetrates through the damping rod (6) in the length direction.
2. A friction-viscous damper providing composite damping according to claim 1, characterized in that the inner wall of the main cylinder (1) in contact with the friction plate (4) is provided with friction lines.
3. Friction-viscous damper providing composite damping according to claim 1, characterised in that the guide sleeve (2) is provided with a compression nut (7) on the outside for compression fixing the guide sleeve (2) in the main cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020575607.3U CN212131166U (en) | 2020-04-17 | 2020-04-17 | Friction-viscous damper capable of providing composite damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020575607.3U CN212131166U (en) | 2020-04-17 | 2020-04-17 | Friction-viscous damper capable of providing composite damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131166U true CN212131166U (en) | 2020-12-11 |
Family
ID=73689010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020575607.3U Active CN212131166U (en) | 2020-04-17 | 2020-04-17 | Friction-viscous damper capable of providing composite damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431413A (en) * | 2021-07-12 | 2021-09-24 | 武汉理工大学 | Viscous damper based on piezoelectric variable friction |
-
2020
- 2020-04-17 CN CN202020575607.3U patent/CN212131166U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431413A (en) * | 2021-07-12 | 2021-09-24 | 武汉理工大学 | Viscous damper based on piezoelectric variable friction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201554719U (en) | High-speed two-out bar hydraulic cylinder cushion device | |
| CN212131166U (en) | Friction-viscous damper capable of providing composite damping | |
| CN204900642U (en) | Two -way hydraulic absorber | |
| CN111878536A (en) | Serial-type variable damping viscous fluid damper | |
| CN206458761U (en) | A kind of high-effect oil buffer | |
| CN105587816B (en) | A kind of large-tonnage elasticity-damping composite shock-absorbing device | |
| CN204025233U (en) | cylinder piston rod | |
| CN210049424U (en) | Self-recovery energy dissipation and shock absorption device for building engineering | |
| CN217898356U (en) | Hydraulic cylinder for mining | |
| CN105782322A (en) | High-stability piston structure for mechanical equipment damper | |
| CN209800415U (en) | high-damping hydraulic cylinder | |
| CN203051611U (en) | Ball absorber | |
| CN212959357U (en) | Two-stage hydraulic cylinder | |
| CN103016600B (en) | Viscoelastic ball shock absorber | |
| CN212336376U (en) | Self-recovery energy dissipation and shock absorption device for building engineering | |
| CN212055654U (en) | Novel crane cab damping mechanism | |
| CN203438794U (en) | Composite buffer type thrust rod mechanism | |
| CN106151167A (en) | Hydraulic Double bumper post plug cylinder | |
| CN217539172U (en) | Hydraulic cylinder with buffering current-limiting capability | |
| CN205350185U (en) | Mechanical equipment is high stability piston structure for bumper shock absorber | |
| CN215171780U (en) | Novel large-stroke viscous damper | |
| CN205315600U (en) | Mechanical equipment is energy -absorbing piston structure for bumper shock absorber | |
| CN220396160U (en) | Anti-seismic hydraulic cylinder | |
| CN211975578U (en) | Hydraulic mechanical buffer device | |
| CN219774500U (en) | Oil cylinder descending buffer device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Friction viscous damper capable of providing composite damping Effective date of registration: 20220310 Granted publication date: 20201211 Pledgee: Bank of Jiangsu Limited by Share Ltd. Taishan Nanjing road subbranch Pledgor: JIANGSU FORCESET VIBRATION CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2022980002372 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201211 Pledgee: Bank of Jiangsu Limited by Share Ltd. Taishan Nanjing road subbranch Pledgor: JIANGSU FORCESET VIBRATION CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2022980002372 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A friction viscous damper that can provide composite damping Granted publication date: 20201211 Pledgee: Jiangsu Zijin Rural Commercial Bank Co.,Ltd. Gulou sub branch Pledgor: JIANGSU FORCESET VIBRATION CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2024980004124 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |