CN105526293B - The adjustable compound vibration-damper of frequency based on mobile support - Google Patents
The adjustable compound vibration-damper of frequency based on mobile support Download PDFInfo
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- CN105526293B CN105526293B CN201610053639.5A CN201610053639A CN105526293B CN 105526293 B CN105526293 B CN 105526293B CN 201610053639 A CN201610053639 A CN 201610053639A CN 105526293 B CN105526293 B CN 105526293B
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- Prior art keywords
- mobile support
- flat spring
- plate
- guide
- 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
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
- F16F3/10—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of adjustable compound vibration-dampers of frequency based on mobile support, including guide-rail plate, two mobile support bases, flat spring, middle support plate, distance regulating mechanism, the linear guide is provided on guide-rail plate, two mobile support bases are arranged in the linear guide, the both ends of flat spring are respectively slidably supported on two mobile support bases, middle support plate lower part is fixed in the middle part of flat spring, distance regulating mechanism is for adjusting the distance between two mobile support bases, the present invention is by adjusting the distance between two mobile support bases come the spacing of adjustable plate both ends of the spring Support Position, to change the effective length of work segment of flat spring, and then change effective work rigidity of flat spring, realize that the frequency of damper is adjusted.The present invention realizes that the structure of stiffness tuning is simple, cost is relatively low, and stiffness tuning part takes full advantage of the long service live feature of flat spring, ensure that the long service live of damper in such a way that independent flat spring and support member group attach together and match.
Description
Technical field
The invention belongs to vibration damping technical field, and in particular to a kind of adjustable combined vibration-damping of frequency based on mobile support
Device.
Background technology
Damper is mainly used for reducing the vibration output of vibration source, to noise-decreasing and the impact to other component.
Common damper is mostly the non-adjustable nodal pattern of rigidity, i.e. the intrinsic frequency of damper is fixed, unadjustable.It is answered in actual engineering
In, often there is inconvenience in the nonadjustable damper of the dynamic characteristics such as above-mentioned rigidity frequency.For example, the vibration of large scale equipment
Characteristic has much relations with its platform placed, and equipment may be caused to actually use using the non-adjustable nodal pattern damper of rigidity
Occasion is unable to reach original design objective.It can be given again come live matched mode using the damper of multigroup different-stiffness specification
The installation and debugging of physical device bring many difficulties.The adjustable damper of the dynamic characteristics such as rigidity frequency helps to evade as a result,
The above problem.
Adjustable shock disclosed in Chinese Patent Application No. 201410169456.0, way of realization are traditional bullet
Property element in parallel, needs that multigroup elastic element and mating modulator is arranged, cost is higher, and the damper of the form cannot
It realizes the continuously adjustable of damper work rigidity, can only realize preset discrete work stiffness tuning.
Compound bump leveller disclosed in Chinese Patent Application No. 201410299504.8, existing main deficiency have：
(1) stiffness tuning unit uses magnetic rheology elastic body, and control is complex, and cost is higher；(2) quality adjustment unit uses liquid
Body pumps to change liquid reserves and then change the mode of quality, and the response time for adjusting unit is longer, and needs additional increase storage
The bulky elements such as water tank are unfavorable for its use in engineering, lead to its restricted application.
Main problem is existing for damper disclosed in Chinese Patent Application No. 201410462858.X：Using magnetorheological
Elastomer mode adjusts rigidity, and to the more demanding of control system, and overall cost is higher, limits its use scope.
Above-mentioned discussion content purpose is may be each with the present invention for being described below and/or advocating to reader's introduction
The various aspects of a relevant technology of aspect, it is believed that the discussion content contributes to as reader with background's information, to be conducive to more
Understand various aspects of the invention well, it is therefore to be understood that be that these discussions are read with this angle, it is existing without being to recognize that
Technology.
Invention content
A kind of damper is provided it is an object of the invention to avoid in the prior art insufficient, uses the tune of low cost
Section scheme realizes the combined vibration-damping of height frequency in broad frequency band.
The purpose of the present invention is achieved through the following technical solutions：
A kind of adjustable compound vibration-damper of frequency based on mobile support, including guide-rail plate, two mobile support base, plates are provided
Spring, middle support plate, distance regulating mechanism are provided with the linear guide on the guide-rail plate, and described two mobile support bases can be slided
It is arranged in the linear guide dynamicly, the both ends of the flat spring are respectively slidably supported on two mobile support bases, described
The lower part of middle support plate and the middle part of the flat spring are fixed, the distance regulating mechanism for adjust two mobile support bases it
Between distance.
Wherein, the distance regulating mechanism includes two feed screw nut's seats, two-way feed lead screws, and feed screw nut's seat is set
It sets on a mobile support base, half section of a left side for two-way feed lead screw, half section of the right side respectively left hand thread, right-handed thread are two-way
Half section of a left side, half section of the right side of feed screw coordinate with the screw hole on feed screw nut's seat respectively.
Wherein, it is provided with supporting pin on the mobile support base, the flat spring rides upon in supporting pin.
Wherein, the flat spring is two panels, is arranged in parallel up and down, and a pair of of clamping is provided between the middle part of two panels flat spring
The lower part of voussoir and fishbolt group, the middle support plate opens up hole position, and voussoir is clamped described in the fishbolt group wedging will
Two panels flat spring is fixed on the Kong Weizhong of middle support plate.
Wherein, further include two side support plates, push up limiting plate, the side support plate fixation is erected the two of the guide-rail plate
End, the top limiting plate both ends are fixed on the upper end of side support plate, pilot hole position, the middle branch are provided on the top limiting plate
Fagging passes through the pilot hole position, the pilot hole position to carry out the guiding of upper and lower directions to the middle support plate.
Wherein, adjustment hole is provided in the side support plate, the end of the two-way feed lead screw is stretched from the adjustment hole
Go out.
Wherein, it is respectively arranged with guide holder on described two mobile support bases, is provided with and leads between described two guide holders
The both ends of Xiang Zhu, the guide post are supported in the side support plate.
Wherein, further include pedestal, the guide-rail plate is arranged on the pedestal, and vibration damping is provided between guide-rail plate and pedestal
Damp rubber cushion.
Wherein, the top of the middle support plate is equipped with by vibration damping host stabilizer blade.
As a result of above-mentioned structure, the frequency adjustable compound vibration-damper provided by the invention based on mobile support, packet
Guide-rail plate, two mobile support bases, flat spring, middle support plate, distance regulating mechanisms are included, being provided with straight line on the guide-rail plate leads
Rail, described two mobile support bases are slidably disposed in the linear guide, and the both ends of the flat spring are respectively slidably propped up
On two mobile support bases, the lower part and the middle part of the flat spring of the middle support plate are fixed for support, and the spacing adjusts machine
Structure is for adjusting the distance between two mobile support bases, and the present invention is using mobile support base arranged in pairs as flat spring
Both ends support, by adjusting the distance between two mobile support bases come the distance between adjustable plate both ends of the spring Support Position,
To change effective length of work segment of flat spring, and then change effective work rigidity of flat spring, realizes the frequency of damper
It adjusts.The present invention realizes that the structure of stiffness tuning is simple, cost is relatively low, and stiffness tuning part is using independent flat spring and branch
The mode for supportting component combination assembly, takes full advantage of the long service live feature of flat spring, ensure that the long work longevity of damper
Life.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the stereogram of the adjustable compound vibration-damper of frequency based on mobile support.
Fig. 2 is the sectional view of the adjustable compound vibration-damper of frequency based on mobile support.
Fig. 3 is the enlarged drawing of part in Fig. 2.
Fig. 4 is one of the internal structure stereogram of the adjustable compound vibration-damper of frequency based on mobile support.
Fig. 5 is the two of the internal structure stereogram of the adjustable compound vibration-damper of frequency based on mobile support.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real in order to make those skilled in the art more fully understand technical scheme of the present invention
Applying example, the present invention is described in further detail, it should be noted that in the absence of conflict, embodiments herein and
Feature in embodiment can be combined with each other.
Core of the invention is to provide a kind of adjustable compound vibration-damper of frequency based on mobile support, uses low cost
Regulation scheme realize the combined vibration-damping of height frequency in broad frequency band.
As shown in Figures 1 to 5, of the present invention based on the mobile adjustable compound vibration-damper of frequency supported, include mainly
There are the components such as supporting mechanism, flat spring, mobile supporting mechanism, distance regulating mechanism.Wherein, supporting mechanism includes front end panel
201, the components such as side support plate 202, top limiting plate 203；Mobile supporting mechanism include guide-rail plate 301, mobile support base 302,
The components such as supporting pin 303, guide holder 308, guide post 309；Distance regulating mechanism includes two-way feed leading screw 307, feed screw nut
Seat 306.
In supporting mechanism, the guide-rail plate 301 is arranged on the pedestal 5, is arranged between guide-rail plate 301 and pedestal 5
There are damping rubber cushion 1, the fixation of the side support plate 202 to erect in the both ends of the guide-rail plate 301, the top limiting plate 203
Both ends are fixed on the upper end of side support plate 202, and the front end panel 201, side support plate 202, top limiting plate 203 are connected by bolt
Connect fixation.The top limiting plate 203 is equipped with hole position for limiting the middle support plate 305 being connect with by vibration damping host stabilizer blade 4
The direction of motion.The track base 301 is arranged with damping rubber cushion 1, and is mounted on pedestal 5 by bolt group.
In mobile supporting mechanism, the linear guide, described two mobile support bases 302 are provided on the guide-rail plate 301
It is slidably disposed in the linear guide, the both ends of the flat spring 304 are respectively slidably supported on two mobile support bases
On 302, supporting pin 303 is provided on the mobile support base 302, the flat spring 304 rides upon in supporting pin 303, specifically
, supporting pin 303 is mounted in the supported hole of mobile support base 302, is used to support flat spring 304.The middle support plate 305
Lower part and the middle part of the flat spring 304 fix, specifically, the flat spring 304 be two panels, up and down be arranged in parallel, two panels
Be provided between the middle part of flat spring 304 it is a pair of clamp voussoir 310 and fishbolt group 311, under the middle support plate 305
Portion opens up hole position, and clamp voussoir 310 described in 311 wedging of fishbolt group is fixed on middle support by two panels flat spring 304
The Kong Weizhong of plate 305.The top of the middle support plate 305 is equipped with by vibration damping host stabilizer blade 4, described by vibration damping host stabilizer blade 4
It is fixedly connected with the middle support plate 305 by bolt group connection type, the operational vibration by vibration damping host passes through described
Middle support base 305 passes to damper of the present invention.Pilot hole position, the middle branch are provided on the top limiting plate 203
305 lower part of fagging passes through the pilot hole position, the pilot hole position to carry out the guiding of upper and lower directions to the middle support plate 305.
It is respectively arranged with guide holder 308 on described two mobile support bases 302, guide post is provided between described two guide holders 308
309, the both ends of the guide post 309 are supported in the side support plate 202.The guide holder 308 and guide post 309 are used for
Preferably limit the moving direction of the mobile support base 302.
The distance regulating mechanism is for adjusting the distance between two mobile support bases 302, the distance regulating mechanism
Including two feed screw nut's seats 306, two-way feed lead screws 307, feed screw nut's seat 306 is arranged in a mobile support base
On 302, half section of a left side for two-way feed lead screw 307, half section of the right side respectively left hand thread, right-handed thread, two-way feed lead screw 307
Half section left, right half section coordinates with the screw hole on feed screw nut's seat 306 respectively, and two feed screw nut seats are divided into left-handed leading screw
Nut seat 306 and dextrorotation feed screw nut seat 306, and assemble and use with two-way feed leading screw 307.It is set in the side support plate 202
It is equipped with adjustment hole, the end of the two-way feed lead screw 307 is stretched out from the adjustment hole, and tool rotation available in this way is described two-way
The extension of feed screw 307, into the adjusting of line space.
The course of work of damper of the present invention is：Two-way feed leading screw 307, which is adjusted, by rotation drives mobile support
Seat 302 synchronizes opposite symmetrical movement, and then changes the distance between the supporting pin 303 on the pair of mobile support base 302, i.e.,
Change the Support Position spacing of the flat spring 304.304 Support Position spacing variation of the flat spring will change flat spring
304 work rigidity, to change the intrinsic frequency of damper system.
Many details are elaborated in above description to facilitate a thorough understanding of the present invention, still, the present invention can be with
Implemented different from other modes described here using other, it is thus impossible to be interpreted as limiting the scope of the invention.
In short, although the present invention illustrates above-mentioned preferred embodiment, although it should be noted that those skilled in the art
Member can carry out various change and remodeling, unless such variation and remodeling deviate from the scope of the present invention, otherwise should all wrap
It includes within the scope of the present invention.
Claims (6)
1. a kind of adjustable compound vibration-damper of frequency based on mobile support, it is characterised in that：Including guide-rail plate (301), two shiftings
Support base (302), flat spring (304), middle support plate (305), distance regulating mechanism are moved, is provided on the guide-rail plate (301)
The linear guide, described two mobile support bases (302) are slidably disposed in the linear guide, and the two of the flat spring (304)
End is respectively slidably supported on two mobile support bases (302), lower part and the flat spring of the middle support plate (305)
(304) middle part is fixed, and the distance regulating mechanism is for adjusting the distance between two mobile support bases (302), the plate
Spring (304) is two panels, is arranged in parallel up and down, and a pair of of clamping voussoir (310) is provided between the middle part of two panels flat spring (304)
Hole position, fishbolt group (311) the wedging institute are opened up with the lower part of fishbolt group (311), the middle support plate (305)
It states and clamps the Kong Weizhong that two panels flat spring (304) is fixed on middle support plate (305) by voussoir (310), further include pedestal (5), institute
It states guide-rail plate (301) to be arranged on the pedestal (5), damping rubber cushion is provided between guide-rail plate (301) and pedestal (5)
(1)；
Further include two side support plates (202), top limiting plate (203), side support plate (202) fixation is erected in the guide rail
The both ends of plate (301), described top limiting plate (203) both ends are fixed on the upper end of side support plate (202), the top limiting plate
(203) it is provided with pilot hole position on, the middle support plate (305) passes through the pilot hole position, and the pilot hole position is in described
Support plate (305) carries out the guiding of upper and lower directions.
2. the frequency adjustable compound vibration-damper according to claim 1 based on mobile support, it is characterised in that：The spacing
Regulating mechanism includes two feed screw nut's seats (306), two-way feed lead screws (307), and feed screw nut's seat (306) is arranged one
On a mobile support base (302), half section of a left side for two-way feed lead screw (307), half section of the right side respectively left hand thread, right-handed thread,
Half section of a left side, half section of the right side of two-way feed lead screw (307) coordinate with the screw hole on feed screw nut's seat (306) respectively.
3. the frequency adjustable compound vibration-damper according to claim 1 based on mobile support, it is characterised in that：The movement
Supporting pin (303) is provided on support base (302), the flat spring (304) rides upon in supporting pin (303).
4. the frequency adjustable compound vibration-damper according to claim 2 based on mobile support, it is characterised in that：It is described collateral
Adjustment hole is provided on fagging (202), the end of the two-way feed lead screw (307) is stretched out from the adjustment hole.
5. the frequency adjustable compound vibration-damper according to claim 1 based on mobile support, it is characterised in that：It is described two
It is respectively arranged with guide holder (308) on mobile support base (302), guide post is provided between described two guide holders (308)
(309), the both ends of the guide post (309) are supported in the side support plate (202).
6. the frequency adjustable compound vibration-damper according to claim 1 based on mobile support, it is characterised in that：The middle branch
The top of fagging (305) is equipped with by vibration damping host stabilizer blade (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053639.5A CN105526293B (en) | 2016-01-25 | 2016-01-25 | The adjustable compound vibration-damper of frequency based on mobile support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053639.5A CN105526293B (en) | 2016-01-25 | 2016-01-25 | The adjustable compound vibration-damper of frequency based on mobile support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105526293A CN105526293A (en) | 2016-04-27 |
| CN105526293B true CN105526293B (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053639.5A Active CN105526293B (en) | 2016-01-25 | 2016-01-25 | The adjustable compound vibration-damper of frequency based on mobile support |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2289285A1 (en) * | 1997-04-17 | 1998-10-22 | Ohio Mattress Company Licensing And Components Group | Composite material spring modules with integrally formed attachment fittings |
| CN2375390Y (en) * | 1999-05-16 | 2000-04-26 | 张胜田 | Spring stiffness adjustable electromagnetic vibrator |
| CN202117195U (en) * | 2011-06-13 | 2012-01-18 | 天津商业大学 | Vibration absorber with multiple natural frequencies |
| CN103629294A (en) * | 2013-12-05 | 2014-03-12 | 哈尔滨工程大学 | Simply supported beam type dynamic vibration absorber with adjustable frequency |
| CN104896002A (en) * | 2015-06-16 | 2015-09-09 | 广东工业大学 | Frequency-adjustable composite absorber |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2491641Y (en) * | 2001-07-17 | 2002-05-15 | 山西鸿基实业有限公司 | Connector for gearing and shaft of combing machine |
| CN201300680Y (en) * | 2008-11-28 | 2009-09-02 | 陕西同力重工有限公司 | Balanced suspension device |
| CN201694015U (en) * | 2010-02-04 | 2011-01-05 | 陕西同力重工股份有限公司 | Front suspension device of primary and secondary double-plate spring structure |
| CN102374257A (en) * | 2010-08-25 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Flexible connection mechanism |
| CN102619821A (en) * | 2012-03-30 | 2012-08-01 | 苏州唐峰电器有限公司 | Pre-tightening device |
| CN202879180U (en) * | 2012-10-29 | 2013-04-17 | 李大海 | Double-leaf-spring front shock adsorption device of small-sized tractor |
| CN203730471U (en) * | 2014-02-20 | 2014-07-23 | 内蒙古北方重工业集团有限公司 | Wedge block locking mechanism adjusted through bolt |
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2016
- 2016-01-25 CN CN201610053639.5A patent/CN105526293B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2289285A1 (en) * | 1997-04-17 | 1998-10-22 | Ohio Mattress Company Licensing And Components Group | Composite material spring modules with integrally formed attachment fittings |
| CN2375390Y (en) * | 1999-05-16 | 2000-04-26 | 张胜田 | Spring stiffness adjustable electromagnetic vibrator |
| CN202117195U (en) * | 2011-06-13 | 2012-01-18 | 天津商业大学 | Vibration absorber with multiple natural frequencies |
| CN103629294A (en) * | 2013-12-05 | 2014-03-12 | 哈尔滨工程大学 | Simply supported beam type dynamic vibration absorber with adjustable frequency |
| CN104896002A (en) * | 2015-06-16 | 2015-09-09 | 广东工业大学 | Frequency-adjustable composite absorber |
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| CN105526293A (en) | 2016-04-27 |
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Effective date of registration: 20210903 Address after: 528000 room 103a, building 1, No.28, East 1st block, Jiansha Road, Danzao Town, Nanhai District, Foshan City, Guangdong Province (residence declaration) Patentee after: Foshan Huadao Chaojing Technology Co.,Ltd. Address before: 510090 Dongfeng East Road 729, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG University OF TECHNOLOGY |