CN208935254U - A kind of vibration absorber absorbing multi-direction high frequency high intensity vibration - Google Patents

Abstract

The utility model discloses a kind of vibration absorbers for absorbing multi-direction high frequency high intensity vibration, it is related to vibration absorber technical field, the consistent round upper clamp plate of structure and lower clamp plate, the upper clamp plate are provided with the first spring base I, second spring seat I and 4 straight panel I perpendicular to upper clamp plate；The lower clamp plate is provided with first spring base II, the second spring seat II and 4 straight panel IIs completely the same with the first spring base I, second spring seat I and straight panel I structure on the upper clamp plate, position and connection relationship；By the way that two intermediate vertical big springs are arranged in, and be circumferentially arranged mostly with vertical spring and crossed strip, and MR damper, so that device is born simultaneously and absorb high-intensitive and high-frequency vibration on this basis can be to horizontal all directions and vertical absorption of vibrations, the vibration damping shock attenuation result of entire vibration absorber is good, and when using vibrated direction limitation it is small, it is applied widely, it is easy for installation.

Description

A kind of vibration absorber absorbing multi-direction high frequency high intensity vibration

Technical field

The utility model relates to vibration absorber technical field, it is especially a kind of it is with MR damper, can inhale while receive The vibration absorber of multi-direction vibration.

Background technique

Vibration is one of most common phenomenon of nature.Greatly to universe, as low as subatomic particle, without there is no vibrations.? In field of engineering technology, oscillation phenomenon also can be found everywhere.For example, the vibration of bridge and building under fitful wind or seismic stimulation, The vibration of the vibration of aircraft and ship under sail, lathe and cutter in processing, the vibration of various dynamic power machines, control system In self-excited vibration, etc..

In many cases, vibration is considered as negative factor.For example, vibration will affect the function of precision instrument and equipment, Machining accuracy and finish are reduced, the fatigue and abrasion of component are aggravated, so as to shorten the service life of machine and works, vibration It is also possible to cause the large deformation of structure to destroy, once dilapidation due to vibration of some bridges；Flutter, the buffeting of wheel of aircraft wing are past It is past to cause the accident；The vibration of car and boat and cabin, which can deteriorate, multiplies carrier strip part；Strong vibration noise will form serious public hazards.

For the related pressure-bearing type such as bridge, rail traffic, the work that direction of vibration is complicated, vibration is big and vibration frequency is high Environment, there are many defects for current damper: first is that, single vibration energy can only be absorbed, cannot be absorbed calmly multi-faceted Complex vibration causes effectiveness in vibration suppression bad；Second is that being absorbed to high-frequency vibration bad；Third is that, it is understood that there may be the rapid wears such as rubber, Easy-weathering material causes the service life of damper short, and frequently replacement causes at high cost, and influence bridge, rail traffic etc. Normal operation.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of vibration damping for absorbing multi-direction high frequency high intensity vibration Device can absorb multidirectional high-frequency vibration, and make while absorbing high-intensity oscillation as the vibration absorber of pressure-bearing type Long with the service life, use scope is wide.

To achieve the above object, the technical scheme adopted by the utility model is

A kind of vibration absorber absorbing multi-direction high frequency high intensity vibration, including the consistent round upper clamp plate of structure and lower folder Plate, the upper clamp plate is parallel with lower clamp plate and is coaxially disposed；The lower surface of the upper clamp plate is provided with the first spring base I, second Spring base I and 4 straight panel I perpendicular to upper clamp plate；The first spring base I and second spring seat I are along the center of circle of upper clamp plate It is arranged concentrically, 4 straight panel I are centered on the center of circle, circumferentially array distribution；

It is consistent with straight panel I structure that the upper surface of the lower clamp plate is provided with the first spring base II, second spring seat II and 4 The one end straight panel II, the straight panel II be vertically fixed on the upper surface of lower clamp plate, the other end stretches to upper clamp plate；First spring Seat II is corresponding with the first spring base I on the upper clamp plate, forms the first spring mounting seat, the both ends difference of vertical big spring I It is mounted on the first spring base II and the first spring base I；The second spring seat II is corresponding with second spring seat I, forms second Spring mounting seat, the both ends of vertical big spring II are separately mounted on second spring seat II and second spring seat I；4 straight panel II Centered on the center of circle, circumferentially array distribution；

Between the plate face of small-pitch adjacent straight panel I parallel with the plate face of straight panel II and parallel straight panel I and straight panel II More crossed strips and multiple lateral backstops are installed in the space of formation；Third spring base is arranged in the free end of the straight panel I I, the 4th spring base I, third spring base I and the 4th bullet is arranged in corresponding position vertically with third spring base I on the lower clamp plate Vertical spring is installed between spring abutment I；The free end of the straight panel II is arranged third spring base II, on the upper clamp plate with third bullet The 4th spring base II is arranged in the corresponding position spring abutment II, installs vertical spring between third spring base II and the 4th spring base II；

MR damper, the magnetic are tiltedly installed in the biggish space of the spacing formed between straight panel I and straight panel II The both ends of rheological damper are individually fixed in upper clamp plate and lower clamp plate by upper mounting seat and lower mounting seat, MR damper with Centered on the center of circle, circumferentially array distribution, and between adjacent MR damper inclined direction on the contrary, but tilt angle phase Together；

Vertical backstop is set inside the vertical big spring I, the vertical backstop includes being connected to the upper backstop of upper clamp plate With the lower backstop for being connected to lower clamp plate.Vertical interval between upper backstop and lower backstop according to the pressure-bearing limit of spring in device with And use environment demand determines.

Firstly the need of explanation, lower clamp plate and the first spring base II, the second spring seat II that are arranged thereon and 4 it is straight The replicated architecture of the first spring base I, second spring seat I and straight panel I that plate II regards upper clamp plate as and is arranged thereon is only Clear restriction connection relationship has carried out distinguishing name；Therefore, when between adjacent straight panel I and straight panel II spacing it is unequal When, it there will necessarily be the relatively large and relatively small situation of spacing, here crossed strip and MR damper in order to facilitate the installation of, phase It is arranged to there is a situation where that spacing is relatively large and relatively small between adjacent straight panel I and straight panel II.Adjacent and spacing is relatively small The part that straight panel I has projection to be overlapped in the horizontal direction with straight panel II, for installing crossed strip.Lateral backstop is common stop Keep off structure, such as the identical bloom of two block structures.When being upwarded pressure by axis, adjacent and parallel straight panel I and straight originally Plate II has relative displacement in the circumferential, and adjacent and parallel straight panel I and straight panel II is made to form certain angle, this angle allows model Enclose is 0~2.5 degree.

Vertical big spring I, vertical big spring II and vertical spring provide vertical high strength vibration damping absorbing effect.

MR damper is the common MR damper sold on the market, such as the damping science and technology of timing of Shandong hundred is limited The MR damper of the model SG-MRD40 of company's manufacture, external power supply when use.

Crossed strip in the present invention carries out uniform cross direction profiles according to the circumference of upper clamp plate and lower clamp plate, that is, Carry out cross direction profiles in multiple horizontal directions, and hang down set up multiple and different structure spring (center and it is circumferential simultaneously Setting), in addition, MR damper is arranged in circumferential uniform pitch, as the structure of adaptation high frequency, while can reinforce multiple The vibration damping shock attenuation result and stability in direction.

Further, between the plate face of parallel straight panel I and the plate face of straight panel II between install 3 crossed strips.Guarantee Effectiveness in vibration suppression in horizontal all directions.

Further, mounting means of the crossed strip between straight panel I and straight panel II are as follows: crossed strip one end passes through Bolt is fixed on straight panel I or straight panel II, and the other end is placed in accordingly in the spring base on straight panel II or straight panel I.Spring base is Common annular groove spring base, fixes crossed strip, and in whole device pressure-bearing, prevents damage crossed strip.

Further, 2 lateral backstops are also equipped between the plate face of parallel straight panel I and the plate face of straight panel II.It avoids Crossed strip excess compression, damages, and guarantees the rigidity in horizontal all directions.

Further, the MR damper has 4, and the tilt angle of MR damper is 45~85 degree.Guarantee It is damped in horizontal all directions, while bigger vertical damping being provided, make vibration absorber that can bear multidirectional high-frequency vibration simultaneously.

Further, longitudinally it is respectively set reinforcing rib I and reinforcing rib II in the plate face of the straight panel I and straight panel II, and Triangle muscle I and triangle muscle II is arranged in the junction and straight panel II of straight panel I and upper clamp plate and the junction of lower clamp plate.Reinforce straight panel Structural strength, to improve the intensity of vibration absorber.

Further, the first spring base I is the first annular enclosing I being arranged on upper clamp plate, the second spring Seat I is the second annular enclosing I being arranged on the outside of first annular enclosing I；The first spring base II is to be arranged on lower clamp plate First annular enclosing II, the second spring seat II is the second annular enclosing II on the outside of the first annular enclosing II of setting.

Further, the vibration absorber further includes shell, and the shell is by being fixed in the cylindrical shape in upper clamp plate side week Shell and the cylinder-shaped lower casing for being fixed on lower clamp plate side week surround up and down, and the junction of upper casing and lower casing shifts to install.It needs It is noted that misplace inside and outside the junction in order to make upper casing and lower casing here since upper clamp plate is consistent with lower clamp plate structure, it can To be welded on the lateral wall of upper clamp plate by upper casing, and lower casing is welded on the top surface edge or on the contrary of lower clamp plate.In short, Make upper casing and lower casing, will not above and below upper casing and lower casing when relative motion when compressing device in connection infall dislocation Upper casing and lower casing are damaged, reaching prevents sundries from entering device, influences device use, to protect to device, extends and uses The purpose in service life.

Further, the vibration absorber material is stainless steel or alloy material.Guarantee the stiffness and strength of vibration absorber.

The beneficial effects of the utility model are:

1, compared with prior art, the special construction design of the utility model, enables device to bear simultaneously and absorbs high-strength Degree and high-frequency vibration, on this basis, due to along circular array distribution crossed strip and MR damper set Horizontal all directions and vertical absorption of vibrations can be kept the damping of all directions uniform by meter, the vibration damping absorbing effect of entire vibration absorber Fruit is good, and when using vibrated direction limitation it is small, it is applied widely, it is easy for installation.

2, compared with prior art, which is not used the rapid wear of any rubber, easy-weathering material, and device materials are not Become rusty steel or alloy material, is provided with reinforcing rib, ensure that the stiffness and strength of device, in addition for absorbing the magnetic current of high-frequency vibration The feature of variable damping device service life length, using entire longer life expectancy, the replacement cycle of device is longer, reduces maintenance cost.

Detailed description of the invention

The utility model is described in further detail with reference to the accompanying drawing.

Fig. 1 is the front view of vibration absorber described in an embodiment of the present invention；

Fig. 2 is the schematic diagram of the section structure of the Fig. 1 along the direction A-A；

Fig. 3 is the schematic diagram of the section structure of the Fig. 1 along the direction B-B；

Fig. 4 is the schematic diagram of the dependency structure of of the invention dismantle upper clamp plate and its connection；

Fig. 5 installs schematic diagram when shell additional on the basis of being Fig. 2；

In figure: 1, upper clamp plate；11, straight panel I；111, triangle muscle I；112 reinforcing rib I；12, the 4th spring base I；13, third Spring base I；14, upper mounting seat；15, upper backstop；165, the first spring base I；16, first annular enclosing I；176, second spring seat I；17, the second annular enclosing I；2, lower clamp plate；21, straight panel II；211, triangle muscle II；212, reinforcing rib II；22, the 4th spring Seat II；23, third spring base II；24, lower mounting seat；25, lower backstop；265, the first spring base II；26, first annular enclosing II；276, second spring seat II；27, the second annular enclosing II；3, MR damper；4, vertical big spring II；5, vertical big Spring I；6, vertical spring；7, lateral backstop；8, crossed strip；91, upper casing；92, lower casing.

Specific embodiment

It is practical to this below with reference to embodiment in order to keep the purpose of this utility model, technical solution and advantage clearer It is novel to be further elaborated, but be not the limitation to scope of protection of the utility model.It needs in the description of the present invention, Understand, the orientation of the instructions such as term " on ", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outside" or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because This should not be understood as limiting the present invention.

Embodiment one:

In the present embodiment, as shown in figures 1-4, a kind of vibration absorber absorbing multi-direction high frequency high intensity vibration, including The consistent round upper clamp plate 1 of structure and lower clamp plate 2, the upper clamp plate 1 is parallel with lower clamp plate 2 and is coaxially disposed；The upper clamp plate 1 Lower surface be provided with the first spring base I165, second spring seat I176 and 4 straight panel I11 perpendicular to upper clamp plate 1；It is described First spring base I165 and second spring seat I176 is arranged concentrically along the center of circle of upper clamp plate 1, and 4 straight panel I11 are with the center of circle Center, circumferentially array distribution；

The upper surface of the lower clamp plate 2 is provided with the first spring base II265, second spring seat II276 and 4 and straight panel The consistent straight panel II21 of I11 structure, the one end the straight panel II21 are vertically fixed on the upper surface of lower clamp plate 2, and the other end stretches to Clamping plate 1；The first spring base II265 is corresponding with the first spring base I165 on the upper clamp plate 1, forms the first spring peace Seat is filled, the both ends of vertical big spring I5 are separately mounted on the first spring base II265 and the first spring base I165；Second bullet Spring abutment II276 is corresponding with second spring seat I176, forms second spring mounting base, the both ends of vertical big spring II4 are installed respectively On second spring seat II276 and second spring seat I176；4 straight panel II21 are centered on the center of circle, and circumferentially array divides Cloth；

The plate face of small-pitch adjacent straight panel I11 parallel with the plate face of straight panel II21 and parallel straight panel I11 and straight panel Three crossed strips 8 and two lateral backstops 7 are installed in the space formed between II21；The free end of the straight panel I11 is set Setting third spring base I13, the 4th spring base I12 is arranged in corresponding position vertically with third spring base I13 on the lower clamp plate 2, Vertical spring 6 is installed between third spring base I13 and the 4th spring base I12；Third bullet is arranged in the free end of the straight panel II21 Spring abutment II23, the 4th spring base II22, third spring is arranged in position corresponding with third spring base II23 on the upper clamp plate 1 Vertical spring 6 is installed between seat II23 and the 4th spring base II22；

MR damper 3, institute are tiltedly installed in the biggish space of the spacing formed between straight panel I11 and straight panel II21 The both ends for stating MR damper 3 are individually fixed in upper clamp plate 1 and lower clamp plate 2, magnetic by upper mounting seat 14 and lower mounting seat 24 Rheological damper 3 is centered on the center of circle, circumferentially array distribution, and 3 inclined direction phases of adjacent MR damper Instead, but tilt angle is identical, and tilt angle is 45 degree；

Vertical backstop is set inside the vertical big spring I5, and the vertical backstop includes being connected to the upper of upper clamp plate 1 to stop Gear 15 and the lower backstop 25 for being connected to lower clamp plate 2.

Mounting means of the crossed strip between straight panel I11 and straight panel II21 are as follows: crossed strip one end passes through bolt It is fixed on straight panel I11 or straight panel II21, the other end is placed in accordingly in the spring base on straight panel II21 or straight panel I11.

The vibration absorber material is stainless steel.Since straight panel I11 and straight panel II21 quantity are 4, then the magnetic current Variable damping device 3 has 4.

As a kind of prioritization scheme, reinforcing rib I112 is longitudinally respectively set in the plate face of the straight panel I11 and straight panel II21 With reinforcing rib II212, and in the junction of straight panel I11 and upper clamp plate 1 and the junction of straight panel II21 and lower clamp plate 2 setting three Angle muscle I111 and triangle muscle II211.The structural strength for reinforcing straight panel, to improve the intensity of vibration absorber.

As a kind of prioritization scheme, the first spring base I165 is the first annular enclosing being arranged on upper clamp plate 1 I16, the second spring seat I176 are the second annular enclosing I17 being arranged on the outside of first annular enclosing I16；First bullet Spring abutment II265 is the first annular enclosing II26 being arranged on lower clamp plate 2, and the second spring seat II276 is the first ring of setting The second annular enclosing II27 on the outside of shape enclosing II26.

Embodiment two:

In the present embodiment, as shown in figures 1-4, on the basis of example 1,3 tilt angle of MR damper is 85 Degree；The vibration absorber material is alloy material.

Embodiment three:

In the present embodiment, as shown in figures 1-4, on the basis of example 1,3 tilt angle of MR damper is 60 Degree；The vibration absorber material is alloy material.

Example IV

In the present embodiment, as shown in Fig. 1~5, on the basis of example 1, the vibration absorber further includes shell, institute Shell is stated by being fixed on the cylinder-shaped upper casing 91 in 1 side of upper clamp plate week and being fixed on about the 92 cylinder-shaped lower casing in 2 side of lower clamp plate week It surrounds, and the junction of upper casing 91 and lower casing 92 shifts to install.Here since upper clamp plate 1 is consistent with 2 structure of lower clamp plate, In order to make the junction of upper casing 91 and lower casing 92 misplace, it can be welded on the lateral wall of upper clamp plate 1 by upper casing 91, and lower casing 92 It is welded on the top surface edge of lower clamp plate 2, or conversely, in short, make upper casing 91 and lower casing 92 in connection infall dislocation, When compressing device, about 92 relative motion of upper casing 91 and lower casing will not damage upper casing 91 and lower casing 92, reach prevent it is miscellaneous Object enters device, influences the purpose that device uses and prolongs the service life to protect to device.

It, can also be by upper in bridge vibration damping field in use, directly by the vibration absorber as between bridge pier and bridge Punch on clamping plate 1 and lower clamp plate 2, be fixed with bolt, can normal use, easy for installation, good damping result, the scope of application Extensively.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope It is defined by the appending claims and its equivalent thereof.

Claims (9)

1. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration, which is characterized in that including in the consistent circle of structure Clamping plate (1) and lower clamp plate (2), the upper clamp plate (1) is parallel with lower clamp plate (2) and is coaxially disposed；The following table of the upper clamp plate (1) Face is provided with the first spring base I (165), second spring seat I (176) and 4 straight panel I (11) perpendicular to upper clamp plate (1)；Institute The first spring base I (165) and second spring seat I (176) is stated to be arranged concentrically along the center of circle of upper clamp plate (1), 4 straight panel I (11) with Centered on the center of circle, circumferentially array distribution；

The upper surface of the lower clamp plate (2) is provided with the first spring base II (265), second spring seat II (276) and 4 and straight panel The consistent straight panel II (21) of I (11) structure, described straight panel II (21) one end is vertically fixed on the upper surface of lower clamp plate (2), another Upper clamp plate (1) is stretched at end；The first spring base II (265) is corresponding with first spring base I (165) on the upper clamp plate (1), The first spring mounting seat is formed, the both ends of vertical big spring I (5) are separately mounted to the first spring base II (265) and the first spring On seat I (165)；The second spring seat II (276) is corresponding with second spring seat I (176), forms second spring mounting base, hangs down It is separately mounted on second spring seat II (276) and second spring seat I (176) to the both ends of big spring II (4)；4 straight panel II (21) centered on the center of circle, circumferentially array distribution；

The plate face of small-pitch adjacent straight panel I (11) the straight panel I (11) parallel and parallel with the plate face of straight panel II (21) and straight More crossed strips (8) and multiple lateral backstops (7) are installed in the space formed between plate II (21)；The straight panel I (11) Free end third spring base I (13) are set, set with the vertical corresponding position third spring base I (13) on the lower clamp plate (2) The 4th spring base I (12) is set, vertical spring (6) are installed between third spring base I (13) and the 4th spring base I (12)；It is described straight Third spring base II (23) are arranged in the free end of plate II (21), corresponding with third spring base II (23) on the upper clamp plate (1) The 4th spring base II (22) is arranged in position, installs vertical spring between third spring base II (23) and the 4th spring base II (22) (6)；

MR damper (3) are tiltedly installed in the biggish space of spacing formed between straight panel I (11) and straight panel II (21), The both ends of the MR damper (3) by upper mounting seat (14) and lower mounting seat (24) be individually fixed in upper clamp plate (1) and Lower clamp plate (2), MR damper (3) is centered on the center of circle, circumferentially array distribution, and adjacent MR damper (3) inclined direction between on the contrary, but tilt angle it is identical；

Vertical backstop is set inside the vertical big spring I (5), and the vertical backstop includes being connected to the upper of upper clamp plate (1) to stop Gear (15) and the lower backstop (25) for being connected to lower clamp plate (2).

2. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration according to claim 1, which is characterized in that flat 3 crossed strips (8) are installed between the plate face of capable straight panel I (11) and the plate face of straight panel II (21).

3. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration according to claim 1, which is characterized in that institute State mounting means of the crossed strip (8) between straight panel I (11) and straight panel II (21) are as follows: crossed strip (8) one end passes through bolt It is fixed on straight panel I (11) or straight panel II (21), the other end is placed in the spring base on straight panel II (21) or straight panel I (11) accordingly It is interior.

4. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration according to claim 2, which is characterized in that flat 2 lateral backstops (7) are also equipped between the plate face of capable straight panel I (11) and the plate face of straight panel II (21).

5. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration according to claim 1, which is characterized in that institute Stating MR damper (3) has 4, and the tilt angle of MR damper (3) is 45~85 degree.

6. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration according to claim 1, which is characterized in that institute It states and reinforcing rib I (112) and reinforcing rib II (212) is longitudinally respectively set in the plate face of straight panel I (11) and straight panel II (21), and straight The junction of the junction of plate I (11) and upper clamp plate (1) and straight panel II (21) and lower clamp plate (2) setting triangle muscle I (111) and Triangle muscle II (211).

7. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration according to claim 1, which is characterized in that institute Stating the first spring base I (165) is the first annular enclosing I (16) being arranged on upper clamp plate (1), the second spring seat I (176) For the second annular enclosing I (17) being arranged on the outside of first annular enclosing I (16)；The first spring base II (265) is setting First annular enclosing II (26) on lower clamp plate (2), the second spring seat II (276) are that first annular enclosing II is arranged (26) the second annular enclosing II (27) on the outside of.

8. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration according to claim 1, which is characterized in that institute Stating vibration absorber further includes shell, and the shell is by being fixed on the cylinder-shaped upper casing (91) in upper clamp plate (1) side week and being fixed on down The cylinder-shaped lower casing (92) in clamping plate (2) side week surrounds up and down, and the junction of upper casing (91) and lower casing (92) shifts to install.

9. a kind of vibration absorber for absorbing multi-direction high frequency high intensity vibration described in any one according to claim 1~8, It is characterized in that, the vibration absorber material is stainless steel or alloy material.