CN208565396U - A kind of displacement correlation variable force variable damping parameter fluid linking damper - Google Patents
A kind of displacement correlation variable force variable damping parameter fluid linking damper Download PDFInfo
- Publication number
- CN208565396U CN208565396U CN201820665372.XU CN201820665372U CN208565396U CN 208565396 U CN208565396 U CN 208565396U CN 201820665372 U CN201820665372 U CN 201820665372U CN 208565396 U CN208565396 U CN 208565396U
- Authority
- CN
- China
- Prior art keywords
- fluid
- tube
- valve
- guide rod
- cylinder barrel
- 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
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a kind of relevant variable force variable damping parameter fluid linking dampers of displacement, belong to structural damping technical field, viscous damping medium is full of inside the cylinder barrel and fluid-through tube of the damper, one end of two guide rods is fixed with the connecting lug of two sides respectively, the other end protrudes into fluid-through tube, valve is provided in the middle part of fluid-through tube, guide rod can be with piston rod in the dynamic lower movement of outside shake (vibration), when piston rod is smaller to side moving displacement, guide rod is not enough to push the valve of closing, viscous damping medium is only by consuming extraneous input energy in damping hole high speed jet stream；When the displacement that piston rod is moved to side is excessive, guide rod pushes valve, open the fluid-through tube closed originally, increase the area in viscous damping medium agent jet duct, change the damping parameter of damper, the pressure difference of cylinder barrel internal viscosity resisting medium, gives full play to the energy dissipation capacity of fluid linking damper at left and right sides of rapid regulating piston, guarantees the safety of damper and building.
Description
Technical field
The present invention relates to structural damping technical fields, and in particular to a kind of viscid resistance of the related variable force variable damping parameter of displacement
Buddhist nun's device.
Background technique
The reason for causing shake (vibration) dynamic is not only only that earthquake and wind load, the vibration of the impact energy, motor racing of explosion
It moves, also be easy to cause covibration and destroy.Common building object generally absorbs what shake (vibration) was moved by damaged member
Energy is to terminate vibratory response.So the anti-seismic performance of enhancing structure, is to mitigate the very urgent scheme of this disaster.
Fluid linking damper be it is a kind of shake (vibration) can be effectively reduced move the energy dissipative device caused damage to structure, because of its installation
It is convenient, flexible, additional damping only is provided to structure, hardly changes the rigidity of structure, therefore the natural vibration period of structure will not be changed
(frequency) would not also increase effect of the external force dynamic load to structure；Furthermore fluid linking damper does not act on structure for support,
Facilitate the maintenance in later period to replace, finds broad application in practical projects.
A kind of " adjustable damping device " is claimed in the patent of invention of Patent No. CN 107654563A, which exists
It on the basis of common fluid linking damper, is equipped on the outside boss of cylinder body and adjusts screw, the head for adjusting screw makes oil in cylinder
The sectional area in road changes, to change damping parameter.But the adjusting screw of foregoing invention patent needs artificial transfer,
It cannot be according to the dynamic automatic adjustment of outside shake (vibration).
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of simple structure, mechanical displacement is relevant
Variable force variable element fluid linking damper gives full play to the energy dissipation capacity of fluid linking damper, the damper of raising and the safety of building
Property.
The technical scheme is that a kind of related variable force variable damping parameter fluid linking damper of displacement, including full of viscid
The cylinder barrel of resisting medium, cylinder barrel is interior to be provided with piston rod along its axis direction, and the both ends of cylinder barrel are stretched out at piston rod both ends respectively, and
The connection otic placode with two sides is fixed respectively, and the middle part of the piston rod is socketed a piston, and the gap of piston and cylinder barrel wall is only
The friction between cylinder barrel and piston is reduced, viscous damping medium cannot flow wherein；The internal piston offers several
Damping hole, viscous damping medium can high-speed jet wherein to consume external energy；Master cylinder is provided with connection in piston two sides
Fluid-through tube, the section of fluid-through tube is rectangle, and the interface of fluid-through tube and cylinder barrel is seamless welding, in addition, piston rod is stretched
Enter cylinder barrel and two guide rods protrude into opening up for fluid-through tube and are both provided with sealing device at hole, when guaranteeing guide rod movement, viscous damping
Medium does not leak；Two connection otic placodes of piston rod two sides, which are respectively welded, is fixed with the L-type guide rod for protruding into fluid-through tube, makes two
Guide rod and piston rod keep identical movement；The centre of fluid-through tube is provided with valve, and the guide rod of two sides shakes with piston rod in the external world
When movement is excessive under (vibration) is dynamic, valve can be opened by promotion.
Further, the valve is there are two types of form, first is that on fluid-through tube tube wall hinged one with fluid-through tube area of section
Identical steel plate, second is that one sectional area of setting butterfly valve identical with fluid-through tube section, and need to fix a spring, spring on valve
The other end be fixed on fluid-through tube tube wall, spring has certain rigidity, and the rigidity of spring is selected according to regulation pressure values,
Regulation pressure values are generally 25~50Mpa, and effect is to avoid piston in the dynamic lower movement of external world's shake (vibration), viscous damping liquid
Push valve open in smaller pressure difference, i.e., in the case where small shake (vibration) is dynamic, fluid-through tube is to close, or work as pressure at left and right sides of piston
Difference because fluid-through tube open due to reduce when, spring toward equilbrium position restore so that in cylinder body piston two sides viscous damping medium one
Biggish pressure difference is directly kept, damper is made to be constantly in the state efficiently to consume energy.
Further, the fluid-through tube with valve portion is connected by the fluid-through tube of attaching nut and two sides, is made
It is easy to maintenance with being to replace valve portion.
Further, the end that guide rod protrudes into fluid-through tube part is provided with interior rubber pad, guide rod is fixed at connection otic placode
The side of close cylinder barrel be provided with outer rubber pad, buffer function can be played when colliding, improves the durable of damper
Property.
The working principle of the invention: after works is moved by shake (vibration), piston generates reciprocating motion with piston rod, viscid
Resisting medium is in damping hole high speed jet stream；When shake (vibration) moves larger, what guide rod moved under the drive of piston rod to side
It is displaced larger, when displacement reaches certain value, guide rod opens valve by the valve of promotion, and viscous damping medium can be from resistance
Buddhist nun hole and fluid-through tube high speed jet stream, shake (vibration) energy are consumed, i.e., when external force increases, the jet stream of viscous damping medium
Aisle spare also increases, and then changes the damping parameter of fluid linking damper, gives full play to the energy dissipation capacity of fluid linking damper.
The utility model has the advantages that simple structure of the present invention, is a kind of fluid linking damper of mechanical displacement self-regulation, it can basis
The displacement of piston rod controls the open and close of the valve in the middle part of fluid-through tube, automatically adjusts penetrating for viscous damping medium with this
Flow area, changes the damping parameter of fluid linking damper, improves the effect of energy-dissipating and shock-absorbing (vibration), and can reduce in cylinder liquid to cylinder
The pressure of wall improves safety and the durability of viscous damping damper.
Detailed description of the invention
It in order to more clearly illustrate the technical solutions in the embodiments of the present invention, below will be in embodiment technical description
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the cross section structure schematic diagram of the embodiment of the present invention one；
Fig. 2 is the valve detail drawing of the embodiment of the present invention one；
Fig. 3 is the cross section structure schematic diagram of the embodiment of the present invention two；
Fig. 4 is the valve detail drawing of the embodiment of the present invention two；
Fig. 5 is the cross section structure schematic diagram of the course of work 1 of the embodiment of the present invention one；
Fig. 6 is the valve detail drawing of the course of work 1 of the embodiment of the present invention one；
Fig. 7 is the cross section structure schematic diagram of the course of work 2 of the embodiment of the present invention one；
Fig. 8 is the valve detail drawing of the course of work 2 of the embodiment of the present invention one；
Fig. 9 is the cross section structure schematic diagram of the course of work 1 of the embodiment of the present invention two；
Figure 10 is the valve detail drawing of the course of work 1 of the embodiment of the present invention two；
Figure 11 is the cross section structure schematic diagram of the course of work 2 of the embodiment of the present invention two；
Figure 12 is the valve detail drawing of the course of work 2 of the embodiment of the present invention two.
In Fig. 1~Figure 12,1 is left connection otic placode；2 be piston rod；3 be cylinder barrel；4 be gap；5 be piston；6 be damping
Hole；7 be right connection otic placode；8 be left guide rod；9 be fluid-through tube；10 be interior rubber pad；11 be valve；12 be spring；13 lead for the right side
Bar；14 be outer rubber pad；15 be attaching nut；16 be butterfly valve.
Specific embodiment
Apply example to implementation of the invention with reference to the accompanying drawing to elaborate: the present embodiment is being with technical solution of the present invention
Under the premise of implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the related variable force variable damping parameter fluid linking damper master of displacement according to the invention
It to include connection otic placode, cylinder barrel, piston rod, piston, guide rod, fluid-through tube, valve, spring etc., cylinder barrel 3 is interior to be full of viscous damping
Medium.Piston rod 2 is set in cylinder barrel 3, and piston rod 2 can be moved back and forth along the axial direction of cylinder barrel 3, be socketed in piston rod 2
The piston 5 and piston rod 2 at middle part keep identical movement, can not be automatic for the damping parameter of all kinds of dampers in the prior art
Regulation or control methods are complicated, and the present invention provides a kind of improvement sides of the relevant fluid linking damper of displacement of simple structure
Method changes the damping parameter of damper with the variation of external force, to improve the energy dissipation capacity and peace of fluid linking damper
Quan Xing, it is characterised in that construction procedure is as follows:
(1) the good piston 5 of prefabrication and piston rod 2 are put into prefabricated cylinder barrel 3, protrude into cylinder barrel 3 in piston rod 2
Tapping install sealing device, cylinder barrel 3 is completed, left connection otic placode 1, right company is respectively welded at the both ends of piston rod 2
Ear connecting plate 7；
(2) 3 aperture of cylinder barrel at left and right sides of piston, and the fluid-through tube 9 of not set valve is respectively welded in two tappings
Two sections of left and right, left guide rod 8, right guide rod 13 protrude into fluid-through tube one end be arranged in rubber pad 10, by left guide rod 8, right guide rod
13 one end is respectively protruding into the fluid-through tube 9 of two sections of left and right；
(3) sealing device, left 8 He of guide rod is respectively set in the tapping that left guide rod 8, right guide rod 13 protrude at fluid-through tube 9
The other end of right guide rod 13 is respectively welded at left connection otic placode 1, in right connection otic placode 7, and may touch with cylinder barrel 3 in guide rod
The side setting outer rubber pad 14 hit, passes through attaching nut 12 and left and right two for the fluid-through tube section with valve 11 or butterfly valve 16
Section fluid-through tube connection；
(4) liquid injection port and venthole are opened, viscous damping medium is injected into cylinder barrel 3 and fluid-through tube in the way of pressure injection
In 9, until the only viscous damping medium that gas outlet is overflowed and when without gas, i.e., viscous damping medium is full of cylinder barrel 3 and logical liquid
In pipe 9, stop injection, and close liquid injection port and venthole.
When the related variable force variable damping parameter fluid linking damper of displacement according to the invention works, two kinds of embodiments are such as
Under:
Embodiment one: when the valve version in fluid-through tube 9 is valve 11, i.e. a sectional area hinged with fluid-through tube tube wall
Steel plate identical as the cross-sectional sizes of fluid-through tube 9, there are two types of the course of work is as follows:
The course of work 1: when works is by external disturbance, when piston rod 2 is moved to the right by the left side of master cylinder 3, piston
Right side viscous damping medium is compressed, so that 4 right atrial pressure of piston increases, but when viscous damping medium passes through fluid-through tube 9, by
There is certain rigidity in spring fixed on valve 11, the insufficient pressure of viscous damping medium is to open valve 11, i.e. viscous damping
Medium sprays at a high speed in damping hole 6, and shake (vibration) energy is consumed.As shown in Figure 5, Figure 6, if extraneous shake (vibration) move it is larger,
Left guide rod 8 is moved with piston rod 2, and when displacement reaches certain value, left guide rod 8 pushes hinged valve 11, and valve is opened, and is sticked
Stagnant resisting medium can be flowed from fluid-through tube 9, increase the jet area of viscous damping medium, make the damping of fluid linking damper
Parameter is adjusted, when piston two sides master cylinder pressure difference because fluid-through tube 9 open, generate viscous damping Medium Exchange after become
Small, spring restores to equilbrium position, and fluid-through tube 9 is closed, and effect is that the master cylinder for enabling viscous damping medium to bear compression is protected
Higher pressuring stress level is held, efficient energy consumption state is constantly in, improves the effect of energy-dissipating and shock-absorbing (vibration), and can be reduced in cylinder
Liquid improves safety and the durability of viscous damping damper to the pressure of casing wall.
The course of work 2: works is by external disturbance, and when piston rod 2 is moved to the left by the right side of master cylinder 3, piston is left
Side viscous damping medium is compressed, so that piston left pressure increases, as shown in Figure 7, Figure 8, when outside energy is smaller, viscid resistance
Buddhist nun's medium only consumes energy in 6 high speed jet stream of damping hole, and with the increase of extraneous input energy, right guide rod 13 pushes valve 11 to make
Fluid-through tube 9 is opened, and the jet area of viscous damping medium is increased, similar with the course of work 1, is repeated no more.
Embodiment two: when the valve version in fluid-through tube 9 is butterfly valve 16, i.e. butterfly valve 16 is one and fluid-through tube section
The identical butterfly valve of size, left guide rod 8 and right guide rod 13 are separately positioned on the two sides up and down of the rotary shaft of butterfly valve, and there are two types of works
It is as follows to make process:
The course of work 1: when works is by external disturbance, when piston rod 2 is moved to the right by the left side of master cylinder 3, piston
Right side viscous damping medium is compressed, so that 5 right atrial pressure of piston increases, but when viscous damping medium passes through fluid-through tube 9, by
There is certain rigidity in spring 12 fixed on butterfly valve 16, the insufficient pressure of viscous damping medium is to open valve 16, i.e., viscid
Resisting medium sprays at a high speed in damping hole 6, and shake (vibration) energy is consumed.As shown in Figure 9, Figure 10, if extraneous shake (vibration) is dynamic
Larger, left guide rod 8 is moved with piston rod 2, and when displacement reaches certain value, left guide rod 8 pushes butterfly valve 16, and valve is opened,
Viscous damping medium can be flowed from fluid-through tube 9, increase the jet area of viscous damping medium, make the resistance of fluid linking damper
Buddhist nun's parameter is adjusted, when the pressure difference of piston two sides master cylinder is because fluid-through tube 9 is opened, after generating viscous damping Medium Exchange
Become smaller, spring restores to equilbrium position, and fluid-through tube is closed, and effect is that the master cylinder for enabling viscous damping medium to bear compression is protected
Higher pressuring stress level is held, efficient energy consumption state is constantly in, improves the effect of energy-dissipating and shock-absorbing (vibration), and can be reduced in cylinder
Liquid improves safety and the durability of viscous damping damper to the pressure of casing wall.
The course of work 2: works is by external disturbance, and when piston rod 2 is moved to the left by the right side of master cylinder 3, piston is left
Side viscous damping medium is compressed, so that piston left pressure increases, it is viscid when outside energy is smaller as shown in Figure 11, Figure 12
Resisting medium only consumes energy in 6 high speed jet stream of damping hole, and with the increase of extraneous input energy, right guide rod 13 pushes butterfly valve
16 open fluid-through tube 9, increase the jet area of viscous damping medium, similar with the course of work 1, repeat no more.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of related variable force variable damping parameter fluid linking damper of displacement, the cylinder barrel (3) including being full of viscous damping medium, cylinder barrel
(3) be provided with piston rod (2) in along its axis direction, the both ends of the piston rod (2) stretch out cylinder barrel (3) respectively with left engaging lug
Plate (1), right connection otic placode (7) are fixed, and the middle part of the piston rod (2) is socketed a piston (5), and piston opens up several on (5)
Damping hole (6), it is characterised in that: the cylinder barrel (3) is provided with the fluid-through tube (9) of connection, and fluid-through tube in piston (5) two sides
It (9) is seamless welding with the interface of cylinder barrel (3), the section of fluid-through tube (9) is rectangle, and fluid-through tube is provided in the middle part of (9)
Valve (11) or butterfly valve (16), left guide rod (8), right guide rod (13) are L-type, left guide rod (8), right guide rod (13) one end point
It does not protrude into fluid-through tube (9), the other end, which is respectively welded, is fixed on left connection otic placode (1), in right connection otic placode (7).
2. a kind of displacement correlation variable force variable damping parameter fluid linking damper according to claim 1, it is characterised in that: valve
It (11) is two kinds of valve versions with butterfly valve (16), wherein valve (11) is a section hinged with fluid-through tube (9) tube wall and leads to
The identical steel plate of liquid pipe (9) cross-sectional sizes, and butterfly valve (16) is cross-sectional sizes butterfly identical with fluid-through tube (9) cross-sectional sizes
Butterfly valve.
3. a kind of displacement correlation variable force variable damping parameter fluid linking damper according to claim 1, it is characterised in that: logical liquid
Pipe (9) is divided into three parts, and two sections of fluid-through tubes (9) of not set valve are welded on the two sides of cylinder barrel (3), be arranged valve (11) or
The fluid-through tube (9) of butterfly valve (16) part is connect with the fluid-through tube (9) of setting valve section by attaching nut (15).
4. a kind of displacement correlation variable force variable damping parameter fluid linking damper according to claim 1, it is characterised in that: piston
The tapping that bar (2) stretching cylinder barrel (3) tapping, left guide rod (8) and right guide rod (13) protrude into fluid-through tube (9) is both provided with sealing
Device.
5. a kind of displacement correlation variable force variable damping parameter fluid linking damper according to claim 2, it is characterised in that: lead on a left side
One end that bar (8), right guide rod (13) protrude into fluid-through tube (9) is respectively arranged with interior rubber pad (10), left guide rod (8), right guide rod
(13) it is fixed on left connection otic placode (1), the side of close cylinder barrel (3) at right connection otic placode (7) is respectively arranged with outer rubber pad
(14)。
6. a kind of displacement correlation variable force variable damping parameter fluid linking damper according to claim 2, it is characterised in that: logical liquid
It manages and is fixed with a spring (12) on the tube wall of (9), the other side and valve (11) of spring or butterfly valve (16) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820665372.XU CN208565396U (en) | 2018-04-28 | 2018-04-28 | A kind of displacement correlation variable force variable damping parameter fluid linking damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820665372.XU CN208565396U (en) | 2018-04-28 | 2018-04-28 | A kind of displacement correlation variable force variable damping parameter fluid linking damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565396U true CN208565396U (en) | 2019-03-01 |
Family
ID=65481011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820665372.XU Active CN208565396U (en) | 2018-04-28 | 2018-04-28 | A kind of displacement correlation variable force variable damping parameter fluid linking damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443392A (en) * | 2018-04-28 | 2018-08-24 | 南京林业大学 | A kind of displacement correlation variable force variable damping parameter fluid linking damper |
-
2018
- 2018-04-28 CN CN201820665372.XU patent/CN208565396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443392A (en) * | 2018-04-28 | 2018-08-24 | 南京林业大学 | A kind of displacement correlation variable force variable damping parameter fluid linking damper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108443392A (en) | A kind of displacement correlation variable force variable damping parameter fluid linking damper | |
| CN108533659A (en) | A kind of mechanical automatic adjustment pressure fluid linking damper | |
| CN105443857B (en) | A kind of variable damping vibration and noise reducing device for valve | |
| CN104989764B (en) | Hole type viscous damper with hole length capable of being automatically adjusted | |
| CN204755706U (en) | But varistor buddhist nun singly goes out pole valve attenuator | |
| CN206448396U (en) | A kind of intelligent fluid linking damper | |
| CN208565396U (en) | A kind of displacement correlation variable force variable damping parameter fluid linking damper | |
| CN108386050A (en) | A kind of pressure controllable type fluid linking damper | |
| CN108385854A (en) | A kind of intelligence pressure adjustable type fluid linking damper | |
| CN208311351U (en) | A kind of hydraulic damper valve convenient for adjusting | |
| CN209538774U (en) | A kind of pressure controllable type fluid linking damper | |
| CN208669057U (en) | A kind of safe fluid linking damper | |
| CN109340215A (en) | Built-in damping pneumatic actuator | |
| CN204852134U (en) | Hole formula viscous damper of kong changke self -adjusting | |
| CN208668660U (en) | A kind of intelligence pressure adjustable type fluid linking damper | |
| CN206571889U (en) | A kind of high speed motor car is with external adjustable resistance of shock absorber system | |
| CN112815031A (en) | Viscous damper for one-way non-return movement of liquid | |
| CN106838385A (en) | The built-in check-valves of Slow Close | |
| CN106762914B (en) | A kind of low-flow switch control driver | |
| CN208669921U (en) | A kind of mechanical automatic adjustment pressure fluid linking damper | |
| CN214404471U (en) | Viscous damper for one-way non-return movement of liquid | |
| CN208935247U (en) | The fluid linking damper of liquid pressure self-regulation in a kind of cylinder | |
| CN109306659A (en) | A kind of fluid viscous damper adding free inching gear | |
| CN209278503U (en) | Novel butterfly valve | |
| CN209278623U (en) | Water hammer-resistant check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suqian De Wei new material Co., Ltd Assignor: Nanjing Forestry University Contract record no.: X2019320000282 Denomination of utility model: Displacement-related variable-force and variable-damping parameter viscous damper Granted publication date: 20190301 License type: Common License Record date: 20191119 Assignee: Suqian Dewei Fiberglass Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000281 Denomination of utility model: Displacement-related variable-force and variable-damping parameter viscous damper Granted publication date: 20190301 License type: Common License Record date: 20191119 Assignee: Nanjing Boke New Material Industry Research Institute Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000283 Denomination of utility model: Displacement-related variable-force and variable-damping parameter viscous damper Granted publication date: 20190301 License type: Common License Record date: 20191119 |
|
| EE01 | Entry into force of recordation of patent licensing contract |