CN104019169A - Parallel limiting type shock absorber based on leaf springs - Google Patents
Parallel limiting type shock absorber based on leaf springs Download PDFInfo
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- CN104019169A CN104019169A CN201410218703.1A CN201410218703A CN104019169A CN 104019169 A CN104019169 A CN 104019169A CN 201410218703 A CN201410218703 A CN 201410218703A CN 104019169 A CN104019169 A CN 104019169A
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- flat spring
- mounting base
- vibration damper
- junction surface
- hole
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Abstract
The invention relates to a parallel limiting type shock absorber based on leaf springs. The parallel limiting type shock absorber comprises a mounting base, a connecting piece and a parallel spring set. A center hole is formed in the center of the mounting base. The connecting piece comprises a first connecting surface and a cylindrical limiting rod, wherein the cylindrical limiting rod is inserted into the center hole in the mounting base, and the first connecting surface is flush with the upper end face of the mounting base. The parallel spring set is fixed to the first connecting surface of the connecting piece and the mounting base and comprises a plurality of leaf springs, a plurality of adapters and a plurality of annular shells, wherein one annular shell is fixed between every two adjacent leaf springs, the middle portions of the ever two adjacent leaf springs are connected through one adapter, and the top end of the uppermost adapter is connected with a device on which shock absorption needs to be conducted. According to the parallel limiting type shock absorber, the rigidity of the shock absorber can be adjusted by changing the scale of the parallel spring set, the shock absorption effect can be guaranteed while stability of a shock absorption system is guaranteed, and mounting space is reduced by the adoption of the leaf springs.
Description
Technical field
The present invention relates to vibration damper, relate in particular to the limit-type vibration damper of a kind of parallel connection based on flat spring.
Background technique
In vibration engineering, vibration damper is as the separate absorption device of vibrational energy, has a wide range of applications resisting aspect vibratory impulse, protection device structure.
Under perfect condition, the natural frequency of vibration damper is lower, and its damping effect is better, but natural frequency is lower, also means that spring rate is less.Traditional shock absorber generally improves damping effect by reducing the method for rigidity, and spring rate is too little must cause shock mitigation system stability decreases, causes at the condition of impact bottom offset, being become large by shock-absorption device, often makes to be bumped by shock-absorption device and object around.For avoiding this situation, conventionally can improve the rigidity of vibration damper, thereby reduce to impact displacement.But rigidity generally cannot be adjusted after traditional shock absorber design completes, can only redesign new vibration damper, thereby reach usage requirement, this will make the design of vibration isolation anti-impact very difficult.The elastic element of traditional shock absorber is conventionally based on elastic caoutchouc, helical spring, wire rope, gas, liquid, electromagnetic force etc., larger based on the common height dimension of this design, only can be applicable to the occasion that installing space is larger, has limited its Applicable scope.
A kind of typical vibration damper based on wire rope has been described in patent application 200510128866.1, and mainly, by the first fixed base, the second fixed base, multilayer wire rope, between three, spiral shell is connected as a single entity.This design has overcome that helical spring shock absorber damping is little, the little shortcoming of bearing capacity radially, but because elastic element is wire rope, size is larger, therefore the installing space taking is installed larger; This design also lacks necessary buffer limit measure, and its lateral stability is poor, impacts easily to cause when excessive by dampening apparatus and object around to bump; Rigidity is provided by wire rope, after shaping, cannot adjust.
Traditional rubber absorbers use more extensive, have the advantages such as damping is large, bearing capacity is large, apparatus with shock absorbing is many, but it just cannot regulate once machining rigidity, also exist short transverse size greatly, lack the shortcomings such as impact is spacing.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, provides a kind of parallel connection based on flat spring limit-type vibration damper.
The technological scheme that the present invention solves the problems of the technologies described above is as follows: the limit-type vibration damper of a kind of parallel connection based on flat spring, comprises mounting base, link and cluster spring in parallel;
Described mounting base center portion is provided with a center hole, described link comprises the first junction surface and cylinder position-limited lever, cylinder position-limited lever inserts in the center hole of mounting base, the first junction surface flushes with the upper-end surface of mounting base, and described cluster spring in parallel is fixed on first junction surface and mounting base of link;
Described cluster spring in parallel comprises two or more flat springs, one or more conversion adapters, one or more annular outer covers; Described flat spring center is provided with a fixed hole, its edge is provided with some fixed holes, between described two flat springs, fix an annular outer cover, described two flat spring center portions connect by conversion adapter, described conversion adapter comprises the second junction surface and threaded stem, the second junction surface of the bottom surface of upper strata flat spring and conversion adapter is fixed, the threaded stem of described conversion adapter is through the fixed hole at lower floor's flat spring center, be inserted in the tapped hole on link that its lower end connects or conversion adapter top and fixing, the tapped hole of the conversion adapter upper end of top with by the equipment of damping, be connected.
The invention has the beneficial effects as follows: the present invention can be as required, by changing the scale (can increase and decrease the quantity of flat spring, conversion adapter and annular outer cover) of cluster spring in parallel, regulate the rigidity of vibration damper, thereby can when taking into account shock mitigation system stability, guarantee damping effect; Design based on flat spring also makes the height of vibration damper greatly reduce, and has dwindled installing space; Parallel Design has also improved the bearing capacity of vibration damper, has expanded the Applicable scope of vibration damper.
On the basis of technique scheme, the present invention can also do following improvement.
Further, technique scheme also comprises elastic spacing ring, described elastic spacing ring is fixed on the inwall of center hole of mounting base, and the cylinder position-limited lever of described link inserts in elastic spacing ring, between described cylinder position-limited lever and elastic spacing ring, leaves gap.
Adopt the beneficial effect of above-mentioned further scheme: by the equipment of damping, cluster spring in parallel and link component movement parts; There is gap in cylinder position-limited lever and the elastic spacing interannular of described link, upstop does not move up and down and normal transverse movement, when being subject to larger side knock by shock-absorption device, thereby there is Elastic Contact between the two, limits large transverse movement; The design of described elastic spacing ring has solved the spacing problem of side knock, has improved the stability of shock mitigation system.
Further, described mounting base is disc-shaped structure, on its peripheral annulus, is uniformly distributed several fixed holes, and its dish inner structure is Pierced structure, and center portion is provided with center fixed hole.
Adopt the beneficial effect of above-mentioned further scheme: mounting base adopts Pierced structure, can effectively reduce the overall weight of vibration damper, and save material.
Further, described flat spring comprises outer toroid, interior disk, between described outer toroid and interior disk, by three tangent transition of arc strip, be connected, on described outer toroid and interior disk, be uniformly distributed separately several fixed holes, described interior disk center portion is provided with center fixed hole.
Adopt the beneficial effect of above-mentioned further scheme: the special construction of described flat spring, between described outer toroid and interior disk, by three tangent transition of arc strip, be connected, can be by regulating the thickness of three arc strips and the rigidity that width regulates each flat spring.
Further, described link comprises the first junction surface and cylinder position-limited lever, and described the first junction surface is flower shape structure, its center portion is provided with tapped hole, each petal edge is provided with a fixed hole, aligns, and fix by screw for the fixed hole on the interior disk with flat spring.
Adopt the beneficial effect of above-mentioned further scheme: junction surface adopts flower shape structure, effectively reduce the overall weight of vibration damper, and save material, described junction surface center portion is provided with tapped hole, it is for the conversion adapter of fixing cluster spring in parallel bottom, each petal edge is respectively provided with a fixed hole, for fixing with the flat spring of cluster spring lowermost end in parallel.
Further, described conversion adapter comprises the second junction surface and threaded stem, and described the second junction surface is flower shape structure, its center portion is provided with tapped hole, each petal edge is respectively provided with a fixed hole, aligns, and fix by screw for the fixed hole on the interior disk with flat spring.
Adopt the beneficial effect of above-mentioned further scheme: the second junction surface adopts flower shape structure, effectively reduces the overall weight of vibration damper, and saves material, can effectively connect two flat springs simultaneously.
Further, between described mounting base, flat spring and annular outer cover, by screw, fix.
Further, described mounting base, link, flat spring, conversion adapter and annular outer cover material are steel, aluminium, metal alloy or carbon fiber.
Further, described elastic spacing ring is the annular element that elastic material is made, and glued joint with the fixed hole at mounting base middle part in its outside, and its material is rubber or polyurethane.
Accompanying drawing explanation
Fig. 1 is that the master of a kind of limit-type vibration damper of parallel connection based on flat spring of the present invention looks sectional view;
Fig. 2 is the perspective view of a kind of limit-type vibration damper of parallel connection based on flat spring of the present invention;
Fig. 3 is the perspective view of mounting base of the present invention;
Fig. 4 is the perspective view of flat spring of the present invention;
Fig. 5 is the perspective view of link of the present invention;
Fig. 6 is the perspective view of conversion adapter of the present invention;
Fig. 7 is the perspective view of annular outer cover of the present invention.
In accompanying drawing, the list of parts of each label representative is as follows:
1, mounting base, 2, link, 3, flat spring, 4, conversion adapter, 5, annular outer cover, 6, elastic spacing ring, 2-1, the first junction surface, 2-2, cylinder position-limited lever, 3-1, outer toroid, 3-2, interior disk, 3-3, arc strip, 4-1, the second junction surface, 4-2, threaded stem.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, 2, the limit-type vibration damper of a kind of parallel connection based on flat spring, comprises mounting base 1, link 2 and cluster spring in parallel, described mounting base 1 center portion is provided with a center hole, described link 2 comprises the first junction surface 2-1 and cylinder position-limited lever 2-2, cylinder position-limited lever 2-2 inserts in the center hole of mounting base 1, the first junction surface 2-1 flushes with the upper-end surface of mounting base 1, and described cluster spring in parallel is fixed on the first junction surface 2-1 and mounting base 1 of link 2, described cluster spring in parallel comprises two or more flat springs 3, one or more conversion adapters 4, one or more annular outer covers 5, described flat spring 3 centers are provided with a fixed hole, its edge is provided with some fixed holes, between described two flat springs 3, fix an annular outer cover 5, described two flat spring 3 center portions connect by conversion adapter 4, described conversion adapter 4 comprises the second junction surface 4-1 and threaded stem 4-2, the second junction surface 4-1 of the bottom surface of upper strata flat spring 3 and conversion adapter 4 fixes, the threaded stem 4-2 of described conversion adapter 4 is through the fixed hole at lower floor's flat spring 3 centers, be inserted in the link 2 of its lower end connection or the tapped hole on conversion adapter 4 tops and fix, the tapped hole of conversion adapter 4 upper ends of top with by the equipment of damping, be connected.
As shown in Figure 3, described mounting base 1 is disc-shaped structure, on its peripheral annulus, is uniformly distributed several fixed holes, and its dish inner structure is Pierced structure, and center portion is provided with center fixed hole.
As shown in Figure 4, described flat spring 3 comprises outer toroid 3-1, interior disk 3-2, between described outer toroid 3-1 and interior disk 3-2, by three tangent transition of arc strip 3-3, be connected, on described outer toroid 3-1 and interior disk 3-2, be uniformly distributed separately several fixed holes, described interior disk 3-2 center portion is provided with center fixed hole.
As shown in Figure 5, described link 2 comprises the first junction surface 2-1 and cylinder position-limited lever 2-2, described the first junction surface 2-1 is flower shape structure, its center portion is provided with tapped hole, each petal edge is provided with a fixed hole, for the fixed hole on the interior disk with flat spring 3, align, and fix by screw.
As shown in Figure 6, described conversion adapter 4 comprises the second junction surface 4-1 and threaded stem 4-2, described the second junction surface 4-1 is flower shape structure, its center portion is provided with tapped hole, each petal edge is provided with a fixed hole, for the fixed hole on the interior disk with flat spring 3, align, and fix by screw.
As shown in Figure 7, the edge of described annular outer cover 5 is provided with several fixed holes, for and flat spring 3, mounting base 1 and annular outer cover 5 between by screw, fix.
Between described mounting base 1, flat spring 3 and annular outer cover 5, by screw, fix.Described mounting base 1, link 2, flat spring 3, conversion adapter 4 and annular outer cover 5 materials are steel, aluminium, metal alloy or carbon fiber.The annular element that described elastic spacing ring 6 is made for elastic material, glued joint with the fixed hole at mounting base 1 middle part in its outside, and its material is rubber or polyurethane.
The annular element that described elastic spacing ring 6 is made for elastic material, the center fixed hole of outside and mounting base 1 glueds joint; By the equipment of damping, cluster spring in parallel and link 3 component movement parts; Described link 2 one end have the first junction surface 2-1, one end has cylinder position-limited lever 2-2, integral body is axially symmetric structure, there is gap in 6, cylinder position-limited lever 2-2 and elastic spacing ring, upstop does not move up and down and normal transverse movement, when being subject to larger side knock by shock-absorption device, thereby there is Elastic Contact between the two, limit large transverse movement; The scale (can increase and decrease the quantity of flat spring, conversion adapter and annular outer cover) that invention can change cluster spring in parallel as required regulates the rigidity of vibration damper, thereby can when taking into account shock mitigation system stability, guarantee damping effect, the present invention has also solved the spacing problem of side knock, has improved the stability of shock mitigation system.
Before vibration damper uses, first according to the main frequency f of vibration
0calculate the natural frequency f of vibration damper
1,
then according to the natural frequency f of vibration damper
1and by the rigidity k of the weight m of shock-absorption device calculating vibration damper, k=4 π
2f
1 2m; After this according to the number n of rigidity k adjusting strip spring, n=k/k' round numbers, the rigidity that wherein k' is single flat spring; Finally each parts spiral shell of vibration damper is connected as a single entity.During use, the partial fixing hole on the peripheral annulus of mounting base 1 is connected with the basis of motion, by the conversion adapter of top 5 screw top holes with by shock-absorption device, be connected.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the limit-type vibration damper of the parallel connection based on flat spring, is characterized in that, comprises mounting base (1), link (2) and cluster spring in parallel;
Described mounting base (1) center portion is provided with a center hole, described link (2) comprises the first junction surface and cylinder position-limited lever, cylinder position-limited lever inserts in the center hole of mounting base (1), the first junction surface flushes with the upper-end surface of mounting base (1), and described cluster spring in parallel is fixed on first junction surface and mounting base (1) of link (3);
Described cluster spring in parallel comprises two or more flat springs (3), one or more conversion adapters (4), one or more annular outer covers (5), described flat spring (3) center is provided with a fixed hole, its edge is provided with some fixed holes, between described two flat springs (3), fix an annular outer cover (5), described two flat springs (3) center portion connects by conversion adapter (4), described conversion adapter (4) comprises the second junction surface (4-1) and threaded stem (4-2), second junction surface (4-1) of the bottom surface of upper strata flat spring (3) and conversion adapter (4) is fixing, the threaded stem (4-2) of described conversion adapter (4) is through the fixed hole at lower floor's flat spring (3) center, be inserted in the link (2) of its lower end connection or the tapped hole on conversion adapter (4) top and fix, the tapped hole of the conversion adapter of top (4) upper end with by the equipment of damping, be connected.
2. the limit-type vibration damper of a kind of parallel connection based on flat spring according to claim 1, it is characterized in that, also comprise elastic spacing ring (6), described elastic spacing ring (6) is fixed on the inwall of center hole of mounting base (1), the cylinder position-limited lever (2-2) of described link (2) inserts in elastic spacing ring (6), between described cylinder position-limited lever (2-2) and elastic spacing ring (6), leaves gap.
3. the limit-type vibration damper of a kind of parallel connection based on flat spring according to claim 1, it is characterized in that, described mounting base (1) is disc-shaped structure, on its peripheral annulus, is uniformly distributed several fixed holes, its dish inner structure is Pierced structure, and center portion is provided with center fixed hole.
4. the limit-type vibration damper of a kind of parallel connection based on flat spring according to claim 1, it is characterized in that, described flat spring (3) comprises outer toroid (3-1), interior disk (3-2), between described outer toroid and interior disk (3-2), by the tangent transition of three arc strips (3-3), be connected, on described outer toroid (3-1) and interior disk (3-2), be uniformly distributed separately several fixed holes, described interior disk (3-2) center portion is provided with center fixed hole.
5. the limit-type vibration damper of a kind of parallel connection based on flat spring according to claim 1, it is characterized in that, described link (2) comprises the first junction surface (2-1) and cylinder position-limited lever (2-2), described the first junction surface (2-1) is flower shape structure, its center portion is provided with tapped hole, each petal edge is provided with a fixed hole, aligns, and fix by screw for the fixed hole on the interior disk with flat spring (3).
6. the limit-type vibration damper of a kind of parallel connection based on flat spring according to claim 1, it is characterized in that, described conversion adapter (4) comprises the second junction surface (4-1) and threaded stem (4-2), described the second junction surface (4-1) is flower shape structure, its center portion is provided with tapped hole, each petal edge is provided with a fixed hole, aligns, and fix by screw for the fixed hole on the interior disk with flat spring (3).
7. the limit-type vibration damper of a kind of parallel connection based on flat spring according to claim 1, is characterized in that, between described mounting base (1), flat spring (3) and annular outer cover (5), by screw, fixes.
8. the limit-type vibration damper of a kind of parallel connection based on flat spring according to claim 1, it is characterized in that, described mounting base (1), link (2), flat spring (3), conversion adapter (4) and annular outer cover (5) material are steel, aluminium, metal alloy or carbon fiber.
9. the limit-type vibration damper of a kind of parallel connection based on flat spring according to claim 2, it is characterized in that, the annular element that described elastic spacing ring (6) is made for elastic material, glued joint with the fixed hole at mounting base (1) middle part in its outside, and its material is rubber or polyurethane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218703.1A CN104019169B (en) | 2014-05-21 | 2014-05-21 | The limit-type vibration damper of a kind of parallel connection based on flat spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218703.1A CN104019169B (en) | 2014-05-21 | 2014-05-21 | The limit-type vibration damper of a kind of parallel connection based on flat spring |
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| CN104019169A true CN104019169A (en) | 2014-09-03 |
| CN104019169B CN104019169B (en) | 2016-01-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930102A (en) * | 2015-06-10 | 2015-09-23 | 北京无线电测量研究所 | Flat spring based series damper |
| CN105927707A (en) * | 2016-06-12 | 2016-09-07 | 北京无线电测量研究所 | Small-sized electronic element double-deck shock absorber based on flat spring |
| CN107461438A (en) * | 2016-06-03 | 2017-12-12 | 株洲时代新材料科技股份有限公司 | A kind of spring leaf for electromagnetic actuator |
| CN108194561A (en) * | 2018-02-22 | 2018-06-22 | 方舟 | A kind of acoustic energy refrigeration machine and its damper |
| CN110159691A (en) * | 2019-06-05 | 2019-08-23 | 西北工业大学 | A kind of big damping isolator of complex stiffness |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930102A (en) * | 2015-06-10 | 2015-09-23 | 北京无线电测量研究所 | Flat spring based series damper |
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| CN105927707A (en) * | 2016-06-12 | 2016-09-07 | 北京无线电测量研究所 | Small-sized electronic element double-deck shock absorber based on flat spring |
| CN105927707B (en) * | 2016-06-12 | 2017-11-07 | 北京无线电测量研究所 | A kind of Small electronic component double-layer damper based on flat spring |
| CN108194561A (en) * | 2018-02-22 | 2018-06-22 | 方舟 | A kind of acoustic energy refrigeration machine and its damper |
| CN110159691A (en) * | 2019-06-05 | 2019-08-23 | 西北工业大学 | A kind of big damping isolator of complex stiffness |
| CN110159691B (en) * | 2019-06-05 | 2020-12-08 | 西北工业大学 | Composite rigidity large damping vibration isolator |
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| CN104019169B (en) | 2016-01-20 |
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