CN108050196A - A kind of used case of multitube connection - Google Patents
A kind of used case of multitube connection Download PDFInfo
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- CN108050196A CN108050196A CN201711216698.0A CN201711216698A CN108050196A CN 108050196 A CN108050196 A CN 108050196A CN 201711216698 A CN201711216698 A CN 201711216698A CN 108050196 A CN108050196 A CN 108050196A
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- hydraulic cylinder
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- epicoele
- piston rod
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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
- 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
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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
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
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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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/185—Bitubular units
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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
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
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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
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/08—Inertia
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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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/045—Fluids magnetorheological
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention provides a kind of multitubes to connect used case, including hydraulic cylinder, piston rod is equipped in hydraulic cylinder, piston rod is fixedly connected with piston, and hydraulic cylinder is divided into epicoele and cavity of resorption by piston, and through hole is provided with respectively about piston rod is substantially symmetrical about its central axis on the casing wall of epicoele and cavity of resorption, through hole on epicoele and cavity of resorption connects respectively with the inner cavity both ends of communicating pipe, hydraulic cylinder lower part is equipped with anticollision device, collision-prevention device, and the through hole on epicoele casing wall is equipped with solenoid valve, the radius r of the hydraulic cylinder1More than the inside radius r of the inner cavity2, r1=10~15r2.The present invention by by communicating pipe it is integrated with hydraulic cylinder, can faster absorb vibration, quick response, realize it is compact-sized, reduce space layout, be easily installed the purpose of arrangement.
Description
Technical field
The present invention relates to ride-control technical fields, and used case is connected more particularly to a kind of multitube.
Background technology
As auto manufacturing technology constantly develops and perfect, requirement of the people to vehicle ride comfort is higher and higher,
Automobile vibration problem is also paid close attention to by more people.At this stage, automobile primary will be relaxed by damper to alleviate automobile vibration to taking
The influence of adaptive.The use of damper can also reduce the damage of other parts of automobile in addition to it can improve riding comfort
Consumption extends the service life of spare and accessory parts.Therefore the research of damper also becomes the popular research of automotive field.
There are most of the research of many damper related fields, the damper used in the market both at home and abroad so far
For spring cushion, hydraulic buffer, air spring etc..
2003, Cambridge University scholar SIMTH proposed the thought of used container, and design pinion and-rack be used to container with
Ball screw type is used to container, realizes stringent corresponding between mechanical organ and electric network.Used container has rack-and-pinion at present
Formula is used to container, ball-screw is used to container, fluid power generating polynomial is used to container, lever mass is used to container, the used container of torsion, fewer differential teeth planetary
Gear torsional is used to the diversified forms such as container and the used container of cycloidal ball torsion.The it is proposed of used container is vehicle shock absorber research neck
Landmark leap in domain.But these used containers cause mechanism processed complex all there are considerable moving parts, into
This is higher, and the friction between component is also more, and effectiveness in vibration suppression and the desired effect of last mechanism still have a certain distance.
Chinese patent (201510956290.1) discloses a kind of spring damping and is used to hold integral type suspension, creative proposition
The helix tube of helical spring made into hollow tube to provide elastic force, damping force is provided by hydraulic cylinder, by helical spring
Liquid in inner cavity provides inertia force.However the parasitic performance damped to device entirety that the device helical spring inner cavity generates
Parameter generates unpredictable influence, is greatly reduced the stability of device.
The content of the invention
For deficiency exists in the prior art, the present invention provides a kind of multitubes to connect used case, by control
The switch of chamber casing wall through hole solenoid changes the used matter coefficient of the device, and it is integrated with hydraulic cylinder to realize communicating pipe,
Structure is compacter.
The present invention achieves the above technical objects by the following technical means.
A kind of used case of multitube connection, including hydraulic cylinder, is equipped with piston rod, the piston in the hydraulic cylinder
Bar is fixedly connected with piston, and hydraulic cylinder is divided into epicoele and cavity of resorption by the piston, is closed respectively on the casing wall of the epicoele and cavity of resorption
Through hole is provided in piston rod is substantially symmetrical about its central axis, and the through hole on epicoele and cavity of resorption connects respectively with the inner cavity both ends of communicating pipe, described
Hydraulic cylinder lower part is equipped with anticollision device, collision-prevention device, and the piston is equipped with sealing ring, and the through hole on the epicoele casing wall is equipped with electromagnetism
Valve, the radius r of the hydraulic cylinder1More than the inside radius r of inner cavity2, and r1=10~15r2, the communicating pipe is straight tube or turns
Curved number is the bending tube of 2n times, the bending radius r of the bending tube3And r3=1~5r2。
In said program, the anticollision device, collision-prevention device is hydraulic cylinder outer sleeve and limited block, and the piston rod stretches out hydraulic cylinder
Bottom, until inside hydraulic cylinder outer sleeve, the piston is fixed in the middle part of piston rod, and the hydraulic cylinder outer sleeve is connected to hydraulic pressure
The lower part of cylinder barrel, the limited block are arranged on hydraulic cylinder outer sleeve inner bottom；The piston rod top is equipped with upper lifting lug, described
Hydraulic cylinder outer sleeve external bottom end is equipped with lower lifting lug, realizes multitube connection used case and vibration source and by between vibration isolation object
Connection；The epicoele, cavity of resorption and interior intracavitary are filled with liquid, and liquid is low viscosity and the higher fluid or magnetorheological of density
Liquid.
In said program, the anticollision device, collision-prevention device is the free-piston and limiting device for being arranged on lower intracavitary, the /V dress
Setting on the hydraulic cylinder barrel below free-piston, cavity of resorption is divided into air cavity and oil pocket by the free-piston, the epicoele,
Oil pocket and interior intracavitary are filled with liquid, and liquid is low viscosity and the higher fluid or magnetorheological fluid of density；The piston rod top
End is equipped with upper lifting lug, and the hydraulic cylinder bottom is equipped with lower lifting lug, and the piston is fixed in underpart of the piston rod.
The beneficial effects of the present invention are：
1. a kind of used case of multitube connection of the present invention, integral by communicating pipe and hydraulic cylinder by through hole
To change, can faster absorb vibration, quick response realizes compact-sized, reduction space layout, is easily installed the purpose of arrangement,
It can be easier to apply in actual production.
2. a kind of used case of multitube connection of the present invention, when vibration environment changes larger, can pass through switch
Solenoid valve blocks or connects the liquid communication of hydraulic cylinder epicoele and cavity of resorption or the shape by changing communicating pipe, realizes and adjusts
The device is used to the purpose of matter coefficient.
3. when vibration environment is basically unchanged, vibration input, can be by changing the magnetic around magnetorheological fluid when not stopping variation
Field changes the density of magnetorheological fluid, realizes the purpose of device damping consecutive variations.
4. a kind of used case of multitube connection of the present invention, the communicating pipe is straight tube or turn number is 2n times
Bending tube, as the bending radius r of bending tube3It is as closely as possible to the inside radius r of inner cavity2, fluid flow inside communicating pipe, institute when
The damping force of generation greatly reduces, and almost close to theoretical value, damping force can be neglected in practice so that in change
During chamber flow rate of liquid, the influence for being used to matter coefficient to being used to container can be ignored, and the performance for being used to container is more stablized, with more reality
Border applying value.
5. a kind of used case of multitube connection of the present invention, is used by upper and lower lifting lug and spring serial or parallel connection
For vibration damping in automotive suspension, assembling is more flexible, and the scope of application is more extensive, while also easily facilitates check device event
Barrier, dismounting are flexible.
Description of the drawings
Fig. 1 is a kind of a kind of structure diagram of used case of multitube connection of the present invention；
Fig. 2 is a kind of another structure diagram of used case of multitube connection of the present invention；
Fig. 3 is the structure diagram of communicating pipe of the present invention；
Fig. 4 is the structure diagram of helix tube；
Fig. 5 is a kind of communicating pipe of used case of multitube connection of the present invention and the performance comparison figure of helix tube.
In figure：The upper lifting lugs of 1-；101- epicoeles；102- cavity of resorptions；111- air cavitys；112- oil pockets；2- piston rods；3- hydraulic cylinders
Cylinder；4- pistons；5- sealing rings；6- communicating pipes；7- hydraulic cylinder outer sleeves；Lifting lug under 8-；9- through holes；10- free-pistons；In 11-
Chamber；12- limiting devices；13- limited blocks.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
It is without being limited thereto.
As shown in Figure 1, a kind of used case of multitube connection, including upper lifting lug 1, piston rod 2, hydraulic cylinder 3, piston 4,
Sealing ring 5, communicating pipe 6, hydraulic cylinder outer sleeve 7, lower lifting lug 8, through hole 9, limited block 13, epicoele 101 and cavity of resorption 102.Hydraulic cylinder
Piston rod 2 is equipped in cylinder 3, piston rod 2 stretches out 3 bottom of hydraulic cylinder, until inside hydraulic cylinder outer sleeve 7,2 middle part of piston rod is solid
It takes over a job plug 4, piston 4 is equipped with sealing ring 5, and piston 4 divides hydraulic cylinder 3 for epicoele 101 and cavity of resorption 102；Epicoele 101 and cavity of resorption
Through hole 9 is provided with respectively about piston rod 2 is substantially symmetrical about its central axis, the through hole 9 on the casing wall of cavity of resorption 102 and epicoele 101 on 102 casing wall
Through hole 9 correspond, solenoid valve is installed, the through hole 9 on epicoele 101 and cavity of resorption 102 at the through hole 9 on 101 casing wall of epicoele
It is connected respectively with the inner cavity of communicating pipe 6 11 (Fig. 3) both ends, forms fluid loop；3 lower part of hydraulic cylinder is connected with hydraulic cylinder outer barrel
Set 7, limited block 13 are arranged on 7 inner bottom of hydraulic cylinder outer sleeve (when the vibration of used container reception to vibration source, on piston 4
Lower movement, if vibration source violent oscillatory motion suddenly, limited block 13 can effectively prevent piston 4 from crashing into the casing wall of hydraulic cylinder 3,
Reduce the damage to piston rod 2)；Upper lifting lug 1 and 2 top of piston rod are affixed, and lower lifting lug 8 is arranged on outside hydraulic cylinder outer sleeve 7
Multitube connection used case and vibration source are realized and by the connection between vibration isolation object in bottom；Epicoele 101, cavity of resorption 102 and interior
It is filled with liquid in chamber 11, liquid is low viscosity and the higher fluid or magnetorheological fluid of density.
As shown in Fig. 2, the place different from Fig. 1 is, the affixed piston 4 in 2 lower part of piston rod, cavity of resorption 102 is interior to be equipped with freely
Piston 10, free-piston 10 divide cavity of resorption 102 for air cavity 111 and oil pocket 112, and /V dress is correspondingly provided on 112 inner wall of oil pocket
12 are put, limiting device 12 is located on 3 barrel of hydraulic cylinder of 10 lower section of free-piston, filled with certain pressure in air cavity 111
Gas, when the vibration of used container reception to vibration source, piston 4 moves up and down, if vibration source violent oscillatory motion suddenly, air cavity
111 presence can effectively prevent piston 4 from crashing into the casing wall of hydraulic cylinder 3, reduce the damage to piston rod 2；It is different from Fig. 1
Place also reside in, lower lifting lug 8 is fixed in 3 bottom of hydraulic cylinder；Liquid is filled in epicoele 101, oil pocket 112 and inner cavity 11
Body, liquid are low viscosity and the higher fluid or magnetorheological fluid of density.
As shown in figure 3, it is internally provided with the inner cavity 11 of connection communicating pipe 6, the inside radius r of inner cavity 112Less than hydraulic cylinder 3
Radius r1, and r1=10~15r2；The shape of communicating pipe 6 can be that straight tube can also be that turn number is 2n (n=1,2,3 ...)
Secondary bending tube, the bending radius r of bending tube3, and r3=1~5r2。
Used container is mounted on vibration source and by between vibration isolation object during work, generally lower lifting lug 8 is connected with vibration source,
Upper lifting lug 1 is connected with by vibration isolation object.When vibration source generates vibration, piston 4 back and forth squeezes liquid back and forth, makes liquid in epicoele
101st, generation inertia force is moved in cavity of resorption 102 and inner cavity 11.By the fluid path in switch electromagnetic valve break-make communicating pipe 6, so as to change
Become the size that used container is used to matter coefficient, absorb the vibration of different Oscillation Amplitudes or frequency.The use of solenoid valve makes used container in life
The communicating pipe 6 of certain surplus during production can be installed, control the switch of solenoid valve that used container is made to obtain vibrating by electronic component
Required used matter coefficient under environment.The use of magnetorheological fluid so that used container can be according to vibration environment quick response, continuously
Change the damping size of used container.The mode that solenoid valve and magnetorheological fluid are applied in combination enables used container to adapt to own substantially
Vibration environment.
Fig. 4 is the structure diagram of helix tube, and helix tube is the spiral load siphunculus with inner cavity, in the present embodiment,
Helix tube overall length is consistent with 6 overall length of communicating pipe, helix tube intracavity diameter Dh' and 6 intracavity diameter D of communicating pipehOn the premise of equal,
Damping force F in helix tube pipeline ' calculation formula it is as follows：
Wherein, A1For the cross-sectional area (A of hydraulic cylinder 31=1.1x10-3m2), A2' for the cross-sectional area of every helix tube
Summation, Dh' be spiral tube cavity diameter (Dh'=0.006m), R ' is the radius of spin (R '=0.0415m) of helix tube, and l is
Helix tube overall length (l=0.18 π+5.04m), μ be liquid viscosity (μ=0.001Pas in the present embodiment), v for upper lifting lug 1 with
Relative velocity between lower lifting lug 8.
Using 6 quantity of communicating pipe as five, the number of bends of every communicating pipe 6 is six and straight tube quantity is seven, inner cavity 11 it is straight
Footpath is 0.006m, communicating pipe the length of 6 each bent portion be 0.006 π m, communicating pipe the length of 6 each straight tube be 0.144m,
The cross-sectional area of hydraulic cylinder 3 is 1.1x10-3m2, the summation of 11 cross-sectional area of inner cavity is 4.5 × 10-5πm2, communicating pipe 6 it is total
Exemplified by length is consistent with the total length of helix tube, and the straight-tube portion of communicating pipe 6 close-packed arrays successively, when upper lifting lug 1 is hung under
One timing of relative velocity between ear 8, the calculation formula of damping force F are as follows：
Wherein, NuFor the number of bends summation of communicating pipe 6, NsFor the straight tube quantity summation of communicating pipe 6, luIt is every for communicating pipe 6
The length of a bent portion, lsFor the length of 6 each straight tube of communicating pipe, A2For the summation of every 11 cross-sectional area of inner cavity, DhTo be interior
The diameter of chamber 11, R are bending radius (the i.e. r of 6 bent portion of communicating pipe3, r in the present embodiment3=2r2=Dh=0.006m).
Value v (v=0~0.225m/s) is actually entered according to experiment, so as to be calculated in 6 pipeline of helix tube and communicating pipe
Damping force F ', F, result of calculation is as shown in figure 5, as can be seen from the figure with the rising of relative velocity v, in communicating pipe 6
The amplification of damping force is substantially smaller than the damping force in helix tube more, and the damping force in communicating pipe 6 changes also phase with relative velocity
To smaller, i.e., the parasitism damping in the parasitic damping ratio helix tube in communicating pipe 6 is much smaller, and the parasitic damping in communicating pipe 6
Stablize relatively, the influence to used container entirety is smaller.
The embodiment is preferred embodiment of the invention, but present invention is not limited to the embodiments described above, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of used case of multitube connection, which is characterized in that including hydraulic cylinder (3), be equipped in the hydraulic cylinder (3)
Piston rod (2), the piston rod (2) are fixedly connected with piston (4), and hydraulic cylinder (3) is divided into epicoele (101) by the piston (4)
With cavity of resorption (102), on the casing wall of the epicoele (101) and cavity of resorption (102) respectively about piston rod (2) it is substantially symmetrical about its central axis be provided with it is logical
Hole (9), the through hole (9) on epicoele (101) and cavity of resorption (102) connect respectively with the inner cavity of communicating pipe (6) (11) both ends, the liquid
Cylinder pressure cylinder (3) lower part is equipped with anticollision device, collision-prevention device.
2. a kind of used case of multitube connection according to claim 1, which is characterized in that the anticollision device, collision-prevention device is hydraulic pressure
Cylinder outer sleeve (7) and limited block (13), the piston rod (2) stretches out hydraulic cylinder (3) bottom, until hydraulic cylinder outer sleeve (7)
Inside, the piston (4) are fixed in the middle part of piston rod (2), and the hydraulic cylinder outer sleeve (7) is connected under hydraulic cylinder (3)
Portion, the limited block (13) are arranged on hydraulic cylinder outer sleeve (7) inner bottom.
A kind of 3. used case of multitube connection according to claim 2, which is characterized in that piston rod (2) top
Equipped with upper lifting lug (1), hydraulic cylinder outer sleeve (7) external bottom end is equipped with lower lifting lug (8), realizes the used case of multitube connection
With vibration source and by the connection between vibration isolation object.
A kind of 4. used case of multitube connection according to claim 1-3 any one, which is characterized in that the epicoele
(101), it is filled with liquid in cavity of resorption (102) and inner cavity (11), liquid is low viscosity and the higher fluid or magnetorheological of density
Liquid.
5. a kind of used case of multitube connection according to claim 1, which is characterized in that the anticollision device, collision-prevention device is setting
Free-piston (10) and limiting device (12) in cavity of resorption (102), the limiting device (12) are located under free-piston (10)
On hydraulic cylinder (3) barrel of side, cavity of resorption (102) is divided into air cavity (111) and oil pocket (112), institute by the free-piston (10)
State epicoele (101), liquid be filled in oil pocket (112) and inner cavity (11), liquid for low viscosity and the higher fluid of density or
Magnetorheological fluid.
A kind of 6. used case of multitube connection according to claim 5, which is characterized in that piston rod (2) top
Equipped with upper lifting lug (1), hydraulic cylinder (3) bottom is equipped with lower lifting lug (8), and the piston (4) is fixed under piston rod (2)
Portion.
A kind of 7. used case of multitube connection according to 1,2,3,5,6 any one of claim, which is characterized in that institute
Piston (4) is stated equipped with sealing ring (5).
A kind of 8. used case of multitube connection according to 1,2,3,5,6 any one of claim, which is characterized in that institute
It states and solenoid valve is installed at the through hole (9) on epicoele (101) casing wall.
9. according to a kind of used case of multitube connection of claim 1,2,3,5,6, which is characterized in that the hydraulic cylinder
(3) radius r1More than the inside radius r of inner cavity (11)2, and r1=10~15r2。
10. a kind of used case of multitube connection according to claim 9, which is characterized in that the communicating pipe (6) is straight tube
Or the bending tube that turn number is 2n times, the bending radius r of the bending tube3And r3=1~5r2。
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| CN201711216698.0A CN108050196A (en) | 2017-11-28 | 2017-11-28 | A kind of used case of multitube connection |
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| CN201711216698.0A CN108050196A (en) | 2017-11-28 | 2017-11-28 | A kind of used case of multitube connection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219938A (en) * | 2019-05-31 | 2019-09-10 | 河海大学 | A kind of adjustable used capacitance device of used capacity |
| CN112594320A (en) * | 2020-12-02 | 2021-04-02 | 江苏大学 | Inertial volume and magnetorheological damping fusion type suspension vibration damping mechanism |
| CN115789160A (en) * | 2022-11-24 | 2023-03-14 | 福州大学 | Magnetorheological hydraulic inertial volume damper and control method thereof |
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