CN106763431A - A kind of rotary Effects of Viscous Fluid Damper - Google Patents
A kind of rotary Effects of Viscous Fluid Damper Download PDFInfo
- Publication number
- CN106763431A CN106763431A CN201710034110.3A CN201710034110A CN106763431A CN 106763431 A CN106763431 A CN 106763431A CN 201710034110 A CN201710034110 A CN 201710034110A CN 106763431 A CN106763431 A CN 106763431A
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- Prior art keywords
- piston
- viscous fluid
- blade
- cylinder body
- fluid damper
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Classifications
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of rotary Effects of Viscous Fluid Damper, it includes cylinder body, front lining, back bush, piston rod, piston, resisting medium, sleeve, plunger and connecting pipe component, piston and the embedded setting bearing in piston rod junction, multiple draw-in grooves are set along piston end surface direction on piston outer face, blade is fixedly connected in draw-in groove.The apparatus structure is simple, blade produces rotary motion under pressure medium effect, so as to be circular motion by the transform linear motion of Effects of Viscous Fluid Damper piston rod, the damping of damper can not only well be ensured, realize the controllability of damping characteristic, also accelerate resisting medium convection current simultaneously, improve the radiating efficiency of damper and the service life of product.
Description
Technical field
The present invention relates to the technical field of Effects of Viscous Fluid Damper, especially a kind of rotary Effects of Viscous Fluid Damper.
Background technology
In recent years, Effects of Viscous Fluid Damper has been widely used in building, the Aseismic Design of science of bridge building structure.It has
Flexible arrangement, the anti-seismic performance for occupying little space, structure being significantly improved and to structure without additional stiffness the features such as.It is common viscous
Stagnant damper is hydraulic cylinder type, and its working mechanism is：Piston reciprocal axial motion in oil cylinder, period resisting medium passes through at a high speed
Damping hole or damping clearance, thermal dissipation is converted into by the mechanical energy produced by vibration, so as to realize the mesh of structural damping (shaking)
's.Damping material generally uses high viscosity resisting medium in traditional viscous damper.High viscosity resisting medium poor fluidity, and it is living
Process is cut in relative motion between plug, actually high viscosity medium.After repeatedly being moved back and forth by piston, high viscosity is situated between
Matter molecular link can be destroyed because of shearing, and the physical characteristic of medium changes.The process of being cut of medium can be discharged simultaneously
Substantial amounts of heat, also because of the poor fluidity of medium, it is difficult to transferred heat away from by way of convection current, so as in pistons work area
Domain forms area of localized hyperthermia, causes resisting medium viscosity to decline so that damping weakens.
A kind of rotary viscous damper is disclosed in patent of invention CN201610141618.9, the damper is by speed
The radial motion of speed input lever is converted to the circular motion of rotating vane for degree input lever and gear, using rotating vane in oil
Circular motion in cylinder produces viscous damping power consumption.There is following defect in such rotary damper：1st, complex structure, occupancy are empty
Between it is big；2nd, high viscosity medium is used；3rd, damping material is actively cut using rotating vane to be consumed energy.The invention is viscous compared to tradition
Stagnant fluid damper, has invented and has innovated on energy-dissipation structure, but overcomes the shortcoming of traditional viscous damper presence,
It is little with traditional viscous damper difference in terms of energy dissipation capacity stability.
The content of the invention
It is a kind of rotary viscous that the problem that the technical problem to be solved in the invention is directed in above-mentioned technical proposal is proposed
Stagnant fluid damper, simple structure, using low-viscosity media, rotary motion is produced using blade under pressure medium effect, from
And be circular motion by the transform linear motion of Effects of Viscous Fluid Damper piston rod.
The structure can well ensure the damping of damper, realize the controllability of damping characteristic, while low viscous
Degree medium improves the radiating efficiency of damper and the service life of product by convection type.
It is in order to solve the above technical problems, the invention provides a kind of rotary Effects of Viscous Fluid Damper including cylinder body, preceding
Bushing, back bush, piston rod, piston, resisting medium, sleeve, plunger and connecting pipe component, the embedded company of connecting pipe component
It is connected in the cylinder body of back bush one end, the sleeve is set on the cylinder body outer wall of front lining one end, the cylinder body
Two ends are tightly connected by front lining and back bush respectively, and the cylinder body inside is full of resisting medium, described piston rod one end
Through sleeve connection plunger, the piston rod other end connects piston after passing through front lining inside cylinder body；The piston with
The embedded setting bearing in piston rod junction, multiple draw-in grooves, the card are set on the piston outer face along piston end surface direction
Blade is fixedly connected in groove.
Further limit, in above-mentioned technical proposal, the blade is distributed in piston periphery, institute in the impeller shape with spiral
The cornerite for stating compressing tablet can be adjusted freely, so multigroup blade can be set on piston according to required product performance, and
The damping of damper is realized by the circular motion of blade.
Further limit, in above-mentioned technical proposal, two or more sets draw-in grooves, described two groups or many are set on the piston
The blade that adjacent draw-in groove is set in group draw-in groove is symmetrical arranged, and such design is reached adjustment and produces to pass through to set blade quantity
The purpose of product damping characteristic, is symmetrical arranged the bidirectional stress uniformity that can meet piston.
Further limit, in above-mentioned technical proposal, the blade is fixedly connected on piston by fixing screws, so
Product Assembly, improve production efficiency can be facilitated.
Further limit, in above-mentioned technical proposal, the spacing between the blade edge and cylinder body inwall is 0.05
~2mm, can ensure that piston hinders when linear reciprocating motion by the spacing between blade edge and cylinder body inwall
The circulation of Buddhist nun's medium.
Further limit, in above-mentioned technical proposal, the spacing between described two or more sets draw-in grooves can be special according to product
Property need be adjusted, meet damping (shaking) design requirement of different structure.
Further limit, in above-mentioned technical proposal, the resisting medium be less than 10000CST low-viscosity medias.It is low
Viscosity resisting medium good fluidity, is capable of achieving medium convection current, so as to avoid in pistons work region in the damper course of work
Localized hyperthermia is formed, the stability of product radiating efficiency and damping characteristic is improved.
After said structure, simple structure, using low-viscosity media, rotation is produced using blade under pressure medium effect
Transhipment is dynamic, so as to be circular motion by the transform linear motion of Effects of Viscous Fluid Damper piston rod.
The structure can well ensure the damping of damper, realize the controllability of damping characteristic, while low viscous
Degree medium improves the radiating efficiency of damper and the service life of product by convection current.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Fig. 1 is structural representation of the invention；
Fig. 2 is the generalized section of A-A in Fig. 1；
Fig. 3 is the close-up schematic view of Fig. 1；
Fig. 4 is piston and blade assembling schematic diagram in the present invention；
Fig. 5 is two groups of draw-in grooves and blade connection diagram in the present invention；
Fig. 6 is multigroup draw-in groove and blade connection diagram in the present invention.
In figure：1 is cylinder body, and 2 is front lining, and 3 is back bush, and 4 is piston rod, and 5 is piston, and 6 is resisting medium, and 7 are
Sleeve, 8 is plunger, and 9 is connecting pipe component, and 10 is bearing, and 11 is draw-in groove, and 12 is blade, and 13 is fixing screws, 14, sealing shroud.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In the description of the invention, it is to be understood that the orientation of the instruction such as term " one end ", " other end ", " side "
Or position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, and
Be not indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " setting ", " company
Connect " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or it is integrally connected；Can be straight
Connect connected, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can be managed with concrete condition
Solve above-mentioned term concrete meaning in the present invention.
As shown in figs. 1 to 6 be a kind of rotary Effects of Viscous Fluid Damper, including cylinder body 1, front lining 2, back bush 3,
Piston rod 4, piston 5, resisting medium 6, sleeve 7, plunger 8 and connecting pipe component 9, connecting pipe component 9 is embedded to be connected to backsight
Cover in the cylinder body 1 of 3 one end, sleeve 7 is set on the outer wall of cylinder body 1 of the one end of front lining 2, and the two ends of cylinder body 1 lead to respectively
Cross front lining 2 and back bush 3 is tightly connected, the inside of cylinder body 1 is full of resisting medium 6, and the one end of piston rod 4 connects through sleeve 7
Plunger 8, the other end of piston rod 4 connects piston after passing through front lining 2 inside cylinder body 1；Piston 5 is embedding with the junction of piston rod 4
Enter formula and bearing 10 is set, multiple draw-in grooves 11 are set along the end face direction of piston 5 on the outer face of piston 5, leaf is fixedly connected in draw-in groove 11
Piece 12.
Wherein, blade 12 is distributed in the periphery of piston 5 in the impeller shape with spiral, and the cornerite of blade 12 can be according to actual feelings
Condition needs to carry out free regulation.Two or more sets draw-in grooves 11 are set on piston 5, and adjacent draw-in groove is set in two or more sets draw-in grooves 11
Blade 12 be symmetrical arranged.Blade 12 is fixedly connected on piston 5 by fixing screws 13.In the edge of blade 12 and cylinder body 1
Spacing between wall is 0.05~2mm.Spacing between two groups of draw-in grooves 11 can also freely be adjusted according to actual conditions.Damping is situated between
Matter 6 is the low-viscosity media less than 10000CST.
Conventional damper uses high-viscosity resisting medium.High viscosity medium poor fluidity, the course of work reality of damper
It is the process of damp channel shearing high viscosity medium on piston on border.After high-damping medium is repeatedly sheared, its molecular link is subject to
Destruction, along with the localized hyperthermia that pistons work region is formed, causes dielectric viscosity to decline, and greatly reduces product damping effect
Really；Using the rotary Effects of Viscous Fluid Damper of present invention design, low viscous resisting medium 6 is provided that in cylinder body 1, profit
Traditional piston reciprocating type motion is substituted with the circular motion of piston 5 and blade 12, damp channel is no longer sheared to medium 6,
Reduce the damage to medium, and resisting medium 6 under the drive of blade 12 in oil cylinder can fully convection current, improve product
Radiating efficiency, improve the fatigue life of damper and the stabilization of properties of product.
In the present invention, connecting pipe component 9 is used directly to be connected on building element.Bearing 10 selects biserial circular cone
Roller bearing, the embedded junction for being arranged on piston 5 and piston rod 4 of bearing 10, is matched somebody with somebody between bearing 10 and piston 5 using interference
Close, it is ensured that the piston 5 in rotary course of bearing 10 carries out transfer, because blade 12 is fixed on the outer face of piston 5, so
Blade 12 can be caused to circle；Sealing shroud 14 can also be set in the side of bearing 10, resisting medium 6 can be effectively prevented
Entrance and influence the normal of bearing 10 to use.
In the present invention, using two groups of draw-in grooves 11, it is possible to achieve the uniform force of damper bidirectional-movement；When need more
During big damping characteristic, the setting of multigroup draw-in groove 11 can be carried out, improve its overall damping characteristic；Such design is changed
The stationarity of conventional damper damping characteristic, improves the service efficiency of damper, also improves the use scope of damper.
As shown in Figure 4 and Figure 5, blade 12 is distributed in the periphery of piston 5 in the impeller shape with spiral, and the cornerite of blade 12 can be with
Freely adjusted according to actual conditions, every group of blade 12 just forms an interval for closing in the circle end face of whole piston 5, can be with
The resisting medium 6 in damper is separated well, realizes damping of the piston 5 during moving left and right；Using this hair
The rotary Effects of Viscous Fluid Damper of bright design, viscous damper fatigue life can be carried by 10 circles under original rated load
It is high to more than 50 circles, substantially increase the service life of Effects of Viscous Fluid Damper.
The operating principle of the rotary Effects of Viscous Fluid Damper is as follows：
During damper is to left movement, that is, piston rod 4 is moved with piston 5 to the direction of front lining 2, due to
Resisting medium 6 is full of in cylinder body 1, in moving process, can cause that bearing 10 rotates, with piston 5 while rotation
Blade 12 rotates, can be by the row of resisting medium 6 in left side in damper to the right, by piston 5 and the circular motion of blade 12
To substitute the linear reciprocating motion of conventional piston 5, it is to avoid destruction to resisting medium in damper 6, and by increasing and decreasing leaf
The quantity of piece and change the gap length between blade and oil cylinder and realize the controllability of damper damping characteristic；Damper to
The process and said process of right motion are opposite.
Although the foregoing describing specific embodiment of the invention, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from principle of the invention and essence,
Protection scope of the present invention is only limited by the claims that follow.
Claims (7)
1. a kind of rotary Effects of Viscous Fluid Damper, including cylinder body (1), front lining (2), back bush (3), piston rod (4), work
Plug (5), resisting medium (6), sleeve (7), plunger (8) and connecting pipe component (9), the embedded connection of the connecting pipe component (9)
In the cylinder body (1) of back bush (3) one end, the sleeve (7) is set on cylinder body (1) outer wall of front lining (2) one end,
The two ends of the cylinder body (1) are tightly connected by front lining (2) and back bush (3) respectively, are full of inside the cylinder body (1)
Resisting medium (6), described piston rod (4) one end connects plunger (8) through sleeve (7), and piston rod (4) other end passes through preceding
Piston is connected after bushing (2) inside cylinder body (1)；It is characterized in that：The piston (5) is embedded in piston rod (4) junction
Formula sets bearing (10), and multiple draw-in grooves (11), the draw-in groove are set along piston (5) end face direction on piston (5) outer face
(11) blade (12) is fixedly connected in.
2. a kind of rotary Effects of Viscous Fluid Damper as claimed in claim 1, it is characterised in that：The blade (12) is in band spiral shell
The impeller shape of rotation is distributed in piston (5) periphery, and compressing tablet (12) cornerite is freely adjustable.
3. a kind of rotary Effects of Viscous Fluid Damper as claimed in claim 1, it is characterised in that：Set on the piston (5)
Two or more sets draw-in grooves (11), the blade (12) set in adjacent draw-in groove (11) in described two or more sets draw-in grooves (11) symmetrically sets
Put.
4. a kind of rotary Effects of Viscous Fluid Damper as claimed in claim 1, it is characterised in that：The blade (12) is by solid
Determine screw (13) to be fixedly connected on piston (5).
5. a kind of rotary Effects of Viscous Fluid Damper as claimed in claim 3, it is characterised in that：Blade (12) edge with
Spacing between cylinder body (1) inwall is 0.05~2mm.
6. a kind of rotary Effects of Viscous Fluid Damper as claimed in claim 3, it is characterised in that：Two groups of draw-in grooves (11) it
Between spacing it is freely adjustable.
7. a kind of rotary Effects of Viscous Fluid Damper as claimed in claim 1, it is characterised in that：The resisting medium (6) is
Low-viscosity media less than 10000CST.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034110.3A CN106763431A (en) | 2017-01-17 | 2017-01-17 | A kind of rotary Effects of Viscous Fluid Damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034110.3A CN106763431A (en) | 2017-01-17 | 2017-01-17 | A kind of rotary Effects of Viscous Fluid Damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763431A true CN106763431A (en) | 2017-05-31 |
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ID=58947213
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710034110.3A Pending CN106763431A (en) | 2017-01-17 | 2017-01-17 | A kind of rotary Effects of Viscous Fluid Damper |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313526A (en) * | 2017-07-03 | 2017-11-03 | 同济大学 | Become friction-type gear inertia damping device |
| CN107366707A (en) * | 2017-08-23 | 2017-11-21 | 中铁二院工程集团有限责任公司 | A kind of severe cold area bridge silicone oil with low viscosity type speed lockup's device |
| CN107826076A (en) * | 2017-12-11 | 2018-03-23 | 山东交通学院 | A kind of safety belt tight receiving apparatus automatically |
| CN108825706A (en) * | 2018-07-09 | 2018-11-16 | 葛成侠 | A kind of intelligent damping changing impact damper for electric vehicle |
| CN108869608A (en) * | 2018-07-09 | 2018-11-23 | 葛成侠 | A kind of stable method of raising running car |
| CN111750022A (en) * | 2020-07-16 | 2020-10-09 | 四川凌峰航空液压机械有限公司 | Replaceable split hydraulic damper |
| CN112227799A (en) * | 2020-10-28 | 2021-01-15 | 沈阳建筑大学 | Screw rod viscous damper |
| CN112797105A (en) * | 2020-12-30 | 2021-05-14 | 佛山科学技术学院 | Rotary viscous damper |
| CN112878775A (en) * | 2021-01-11 | 2021-06-01 | 西安建筑科技大学 | Viscous damper |
| CN113638305A (en) * | 2021-08-16 | 2021-11-12 | 福建九鼎建设集团有限公司 | Lead extrusion composite rotary vane type viscous damper and application method thereof |
| CN114215873A (en) * | 2021-11-16 | 2022-03-22 | 株洲时代新材料科技股份有限公司 | Viscous damper with heat dissipation function |
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| CN203979254U (en) * | 2014-05-29 | 2014-12-03 | 武汉鑫拓力工程技术有限公司 | Non-linear damper with viscosity |
| CN206409562U (en) * | 2017-01-17 | 2017-08-15 | 常州容大结构减振股份有限公司 | A kind of rotary Effects of Viscous Fluid Damper |
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| GB686662A (en) * | 1948-03-10 | 1953-01-28 | Christian Marie Lucien Louis B | Improvements relating to direct-acting hydraulic shock-absorbers |
| US4503952A (en) * | 1981-06-12 | 1985-03-12 | Krauss-Maffei Aktiengesellschaft | Rotary shock absorber |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313526A (en) * | 2017-07-03 | 2017-11-03 | 同济大学 | Become friction-type gear inertia damping device |
| CN107366707A (en) * | 2017-08-23 | 2017-11-21 | 中铁二院工程集团有限责任公司 | A kind of severe cold area bridge silicone oil with low viscosity type speed lockup's device |
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| CN107826076B (en) * | 2017-12-11 | 2024-01-26 | 山东交通学院 | Automatic tightening device for safety belt |
| CN107826076A (en) * | 2017-12-11 | 2018-03-23 | 山东交通学院 | A kind of safety belt tight receiving apparatus automatically |
| CN108825706A (en) * | 2018-07-09 | 2018-11-16 | 葛成侠 | A kind of intelligent damping changing impact damper for electric vehicle |
| CN108869608A (en) * | 2018-07-09 | 2018-11-23 | 葛成侠 | A kind of stable method of raising running car |
| CN108869608B (en) * | 2018-07-09 | 2019-12-17 | 马文彬 | Method for improving running stability of automobile |
| CN108825706B (en) * | 2018-07-09 | 2020-07-31 | 铜陵市兆林工贸有限责任公司 | Intelligent variable damping shock absorber for electric automobile |
| CN111750022A (en) * | 2020-07-16 | 2020-10-09 | 四川凌峰航空液压机械有限公司 | Replaceable split hydraulic damper |
| CN112227799A (en) * | 2020-10-28 | 2021-01-15 | 沈阳建筑大学 | Screw rod viscous damper |
| CN112797105A (en) * | 2020-12-30 | 2021-05-14 | 佛山科学技术学院 | Rotary viscous damper |
| CN112878775A (en) * | 2021-01-11 | 2021-06-01 | 西安建筑科技大学 | Viscous damper |
| CN112878775B (en) * | 2021-01-11 | 2022-03-08 | 西安建筑科技大学 | Viscous damper |
| CN113638305A (en) * | 2021-08-16 | 2021-11-12 | 福建九鼎建设集团有限公司 | Lead extrusion composite rotary vane type viscous damper and application method thereof |
| CN114215873A (en) * | 2021-11-16 | 2022-03-22 | 株洲时代新材料科技股份有限公司 | Viscous damper with heat dissipation function |
| CN114215873B (en) * | 2021-11-16 | 2023-12-05 | 株洲时代新材料科技股份有限公司 | Viscous damper with heat dissipation function |
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