CN204692424U - A kind of tandem vibration damper based on flat spring - Google Patents
A kind of tandem vibration damper based on flat spring Download PDFInfo
- Publication number
- CN204692424U CN204692424U CN201520398611.6U CN201520398611U CN204692424U CN 204692424 U CN204692424 U CN 204692424U CN 201520398611 U CN201520398611 U CN 201520398611U CN 204692424 U CN204692424 U CN 204692424U
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- China
- Prior art keywords
- flat spring
- vibration damper
- fixed hole
- elastic rod
- connecting rod
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Abstract
The utility model relates to a kind of tandem vibration damper based on flat spring, comprises bottom assembling set (1), multiple flat spring (2), multiple elastic rod (3) and Top mounts (4); Bottom assembling set (1) is fixed a flat spring (2), each flat spring (2) is stacked, and supported by multiple elastic rod (3) between every two flat springs (2), the flat spring (2) of top is by Top mounts (4) described in multiple elastic rod (3) support and connection.The utility model makes the height of plural serial stage shock mitigation system greatly reduce based on the design of flat spring, expands the Applicable scope of vibration damper; Connected by elastic rod between each flat spring, making the structure of vibration damper simple, be easy to assembling, and the scale (namely can increase and decrease the quantity of flat spring and elastic rod) by changing flat spring regulating the rigidity of vibration damper, thus simplified design.
Description
Technical field
The utility model relates to vibration damper, particularly relates to a kind of tandem vibration damper based on flat spring.
Background technique
In vibration engineering, vibration damper is as the separate absorption device of vibrational energy, and resisting vibratory impulse, proterctive equipment configuration aspects has a wide range of applications.
Ideally, the lower then natural frequency of rigidity of vibration damper is lower, and its damping effect is better.Normal being together in series by vibration damper adopts the mode of multistage detection to improve effectiveness in vibration suppression traditionally, but this serial fashion makes the size of shock mitigation system short transverse larger, limit its Applicable scope, can not be used for the harsh Environmental Conditions of requirement for height, as the damping of sensitive electron components and parts.
Traditional serial fashion due to volume comparatively large, usually only have two-stage vibration damping, the adjustable extent of vibration insulating system global stiffness is very little, and this brings difficulty to Vibration Absorption Designing.Also need to design separately intermediate transit plate during traditional shock absorber series connection, although the applying of intermediate mass makes High-frequency absorber effect make moderate progress, this also considerably increases design complexity.Find that patent application 200510128866.1 describes a kind of typical vibration damper based on wire rope through retrieval, primarily of the first fixed base, the second fixed base, multilayer wire rope, between three, spiral shell is connected as a single entity; This design overcomes the little shortcoming of little, the radial bearing capacity of helical spring shock absorber damping, but due to elastic element be wire rope, size is comparatively large, and it is comparatively large therefore to install the height space taken, and the height based on the two-stage vibration damping of its design is larger.
Model utility content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, provides a kind of tandem vibration damper based on flat spring.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of tandem vibration damper based on flat spring, comprises bottom assembling set, multiple flat spring, multiple elastic rod and Top mounts; Bottom assembling set is fixed a flat spring, and each flat spring is stacked, and is supported by multiple elastic rod between every two flat springs, and the flat spring of top is by Top mounts described in multiple elastic rod support and connection.
The beneficial effects of the utility model are: the utility model makes the height of plural serial stage shock mitigation system greatly reduce based on the design of flat spring, expands the Applicable scope of vibration damper; Connected by elastic rod between each flat spring, making the structure of vibration damper simple, be easy to assembling, and the scale (namely can increase and decrease the quantity of flat spring and elastic rod) by changing flat spring regulating the rigidity of vibration damper, thus simplified design.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described bottom assembling set is sheet circle structure, described sheet circle structure internal diameter differs predetermined value with annulus external diameter, described sheet circle structure inward flange is uniformly distributed multiple first fixed hole, outward edge is uniformly distributed multiple second fixed hole, described first fixed hole is connected with the fixed hole of relevant position on bottom chip spring, is connected with vibration basis by described second fixed hole.
Further, in the first fixed hole of described bottom assembling set and the second fixed hole, be provided with screw thread, connected by the fixed hole spiral shell of relevant position on described first fixed hole and bottom chip spring, connected by described second fixed hole and the basic spiral shell of vibration.
Adopt the beneficial effect of above-mentioned further scheme to be: easy for installation, number of spring leaf can be increased and decreased on demand.
Further, described flat spring comprises outer toroid, interior disk, is connected between described outer toroid with interior disk by the tangent transition of multiple arc strip, and described outer toroid and interior disk are uniformly distributed several fixed holes separately, and described interior disk center portion is provided with center hole.
Further, the thickness of described arc strip and width are selected according to the rigidity requirement of flat spring.
The beneficial effect of above-mentioned further scheme is adopted to be: the special construction of described flat spring, be connected by many tangent transition of arc strip between described outer toroid with interior disk, thickness and width by regulating arc strip regulate the rigidity of each flat spring, the rigidity of flexible adjustment vibration damper, and then obtain the natural frequency needed.
Further, described elastic rod is metal flexible bar, comprises mobile jib and two connecting rods, and each described connecting rod connects the one end with mobile jib, and two connecting rod installation directions are contrary, and space is parallel, and the angle between each described connecting rod and mobile jib is greater than 90 degree.
The beneficial effect of above-mentioned further scheme is adopted to be: the rigidity that can realize reducing vibration damper flexibly.
Further, supported between every two flat springs by multiple elastic rod, the connecting rod of each elastic rod one end is connected with the outer peripheral fixed hole of flat spring, and the fixed hole that the connecting rod of the other end is corresponding with flat spring inward flange connects.
Further, described connecting rod is provided with screw thread, connects with the fixed hole spiral shell on flat spring.
Further, described Top mounts is wafer architecture, and described wafer architecture outward edge is uniformly distributed multiple first attachment hole, and described wafer architecture center is provided with second attachment hole.
Further, the flat spring of top is by Top mounts described in multiple elastic rod support and connection, the connecting rod of each elastic rod one end is connected with to the outer peripheral fixed hole of the flat spring on top, the connecting rod of the other end is connected with the first attachment hole of Top mounts relevant position, and described second attachment hole is connected with by shock-absorption device.
Accompanying drawing explanation
Fig. 1 is a kind of described in the utility model embodiment front sectional view of the tandem vibration damper based on flat spring;
Fig. 2 is a kind of described in the utility model embodiment perspective view of the tandem vibration damper based on flat spring;
Fig. 3 is the perspective view of bottom assembling set described in the utility model embodiment;
Fig. 4 is the perspective view of flat spring described in the utility model embodiment;
Fig. 5 is the perspective view of elastic rod described in the utility model embodiment;
Fig. 6 is the perspective view of Top mounts described in the utility model embodiment.
In accompanying drawing, the list of parts representated by each label is as follows:
1, bottom assembling set, 2, flat spring, 3, elastic rod, 4, Top mounts, 1-1, the first fixed hole, 1-2, the second fixed hole, 2-1, outer toroid, 2-2, arc strip, 2-3, interior disk, 3-1, mobile jib, 3-2, connecting rod, 4-1, the first attachment hole, 4-2, the second attachment hole.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, 2, a kind of tandem vibration damper based on flat spring, comprises bottom assembling set 1, multiple flat spring 2, multiple elastic rod 3 and Top mounts 4; Bottom assembling set 1 is fixed a flat spring 2, and each flat spring 2 is stacked, and is supported by multiple elastic rod 3 between every two flat springs 2, and the flat spring 2 of top is by Top mounts 4 described in the support and connection of multiple elastic rod 3.
As shown in Figure 3, described bottom assembling set 1 is sheet circle structure, described sheet circle structure internal diameter differs predetermined value with annulus external diameter, and described sheet circle structure inward flange is uniformly distributed multiple first fixed hole 1-1, and outward edge is uniformly distributed multiple second fixed hole 1-2.Described bottom assembling set 1 is connected with the fixed hole of relevant position on bottom chip spring 2 by described first fixed hole 1-1, is connected with vibration basis by described second fixed hole 1-2.Screw thread is provided with in first fixed hole 1-1 of the assembling set 1 of bottom described in the present embodiment and the second fixed hole 1-2, connected by the fixed hole spiral shell of relevant position on described first fixed hole 1-1 and bottom chip spring 2, connected by described second fixed hole 1-2 and the basic spiral shell of vibration.Vibration basis, by the mounting point of shock-absorption device, vibrates and is delivered to by shock-absorption device from vibration basis, can completely cut off vibration basis therebetween and be delivered to by the vibration of shock-absorption device after mounting shock absorber.
As shown in Figure 4, described flat spring 2 comprises outer toroid 2-1, interior disk 2-2, be connected by the tangent transition of multiple arc strip 2-3 between described outer toroid with interior disk 2-2, described outer toroid 2-1 and interior disk 2-2 is uniformly distributed several fixed holes separately, and described interior disk 2-2 center portion is provided with center hole.Thickness and the width of described arc strip 2-3 are selected according to the rigidity requirement of flat spring.The special construction of described flat spring, be connected by many tangent transition of arc strip between described outer toroid with interior disk, thickness and width by regulating arc strip regulate the rigidity of each flat spring, flexibly the rigidity of adjustment vibration damper, and then obtain the natural frequency needed.
As shown in Figure 5, described elastic rod 3 is metal flexible bar, comprise mobile jib 3-1 and two connecting rod 3-2, each described connecting rod 3-2 connects the one end with mobile jib 3-1, and two connecting rod 3 installation directions are contrary, and space is parallel, the angle between each described connecting rod 3-2 and mobile jib 3-1 is greater than 90 degree.
As shown in Figure 1, supported by multiple elastic rod 3 between every two flat springs 2, in the present embodiment, every layer adopts 6 elastic rods, the connecting rod 3-2 of each elastic rod 3 one end is connected with the outer peripheral fixed hole of flat spring 2, and the fixed hole that the connecting rod 3-2 of the other end is corresponding with flat spring 2 inward flange connects.The 3-2 of connecting rod described in the present embodiment is provided with screw thread, connects with the fixed hole spiral shell on flat spring 2.
As shown in Figure 6, described Top mounts 4 is wafer architecture, and described wafer architecture outward edge is uniformly distributed multiple first attachment hole 4-1, and described wafer architecture center is provided with a second attachment hole 4-2.The flat spring 2 of top is by Top mounts 4 described in the support and connection of multiple elastic rod 3, the connecting rod 3-2 of each elastic rod 3 one end is connected with to the outer peripheral fixed hole of flat spring 2 on top, the connecting rod 3-2 of the other end is connected with the first attachment hole 4-1 of Top mounts 4 relevant position, and described second attachment hole 4-2 is connected with by shock-absorption device.
Before vibration damper uses, first according to the low-limit frequency f of vibration
0calculate the natural frequency f of vibration damper
1,
then according to the natural frequency f of vibration damper
1and calculated the rigidity k of vibration damper by the weight m of shock-absorption device, k=4 π
2f
1 2m; After this according to rigidity k adjusting strip number springs n,
round numbers, wherein k
sfor the rigidity of flat spring, k
gfor the integral stiffness of one deck elastic rod; Finally each for vibration damper parts spiral shell is connected as a single entity.During use, the second fixed hole of bottom assembling set 1 is connected with the basis of motion, the second attachment hole of portion's assembling set 4 of top is connected with by shock-absorption device.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. based on a tandem vibration damper for flat spring, it is characterized in that, comprise bottom assembling set (1), multiple flat spring (2), multiple elastic rod (3) and Top mounts (4);
Bottom assembling set (1) is fixed a flat spring (2), each flat spring (2) is stacked, and supported by multiple elastic rod (3) between every two flat springs (2), the flat spring (2) of top is by Top mounts (4) described in multiple elastic rod (3) support and connection.
2. a kind of tandem vibration damper based on flat spring according to claim 1, it is characterized in that, described bottom assembling set (1) is sheet circle structure, described sheet circle structure internal diameter differs predetermined value with annulus external diameter, described sheet circle structure inward flange is uniformly distributed multiple first fixed hole (1-1), outward edge is uniformly distributed multiple second fixed hole (1-2), described first fixed hole (1-1) is connected with the fixed hole of the upper relevant position of bottom chip spring (2), is connected with vibration basis by described second fixed hole (1-2).
3. a kind of tandem vibration damper based on flat spring according to claim 2, it is characterized in that, screw thread is provided with in first fixed hole (1-1) of described bottom assembling set (1) and the second fixed hole (1-2), connected by the fixed hole spiral shell of the upper relevant position of described first fixed hole (1-1) and bottom chip spring (2), connected by described second fixed hole (1-2) and the basic spiral shell of vibration.
4. a kind of tandem vibration damper based on flat spring according to claim 1, it is characterized in that, described flat spring (2) comprises outer toroid (2-1), interior disk (2-2), be connected by multiple arc strip (2-3) tangent transition between described outer toroid with interior disk (2-2), described outer toroid (2-1) and interior disk (2-2) are uniformly distributed several fixed holes separately, and described interior disk (2-2) center portion is provided with center hole.
5. a kind of tandem vibration damper based on flat spring according to claim 4, it is characterized in that, thickness and the width of described arc strip (2-3) are selected according to the rigidity requirement of flat spring.
6. a kind of tandem vibration damper based on flat spring according to claim 4, it is characterized in that, described elastic rod (3) is metal flexible bar, comprise mobile jib (3-1) and two connecting rods (3-2), each described connecting rod (3-2) connects the one end with mobile jib (3-1), and two connecting rod (3) installation directions are contrary, and space is parallel, the angle between each described connecting rod (3-2) and mobile jib (3-1) is greater than 90 degree.
7. a kind of tandem vibration damper based on flat spring according to claim 6, it is characterized in that, supported by multiple elastic rod (3) between every two flat springs (2), the connecting rod (3-2) of each elastic rod (3) one end is connected with flat spring (2) outer peripheral fixed hole, and the fixed hole that the connecting rod (3-2) of the other end is corresponding with flat spring (2) inward flange connects.
8. a kind of tandem vibration damper based on flat spring according to claim 7, it is characterized in that, described connecting rod (3-2) is provided with screw thread, connects with the fixed hole spiral shell on flat spring (2).
9. a kind of tandem vibration damper based on flat spring according to claim 1, it is characterized in that, described Top mounts (4) is wafer architecture, described wafer architecture outward edge is uniformly distributed multiple first attachment hole (4-1), and described wafer architecture center is provided with second attachment hole (4-2).
10. a kind of tandem vibration damper based on flat spring according to claim 9, it is characterized in that, the flat spring (2) of top is by Top mounts (4) described in multiple elastic rod (3) support and connection, the connecting rod (3-2) of each elastic rod (3) one end is connected with flat spring (2) the outer peripheral fixed hole to top, the connecting rod (3-2) of the other end is connected with first attachment hole (4-1) of Top mounts (4) relevant position, and described second attachment hole (4-2) is connected with by shock-absorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398611.6U CN204692424U (en) | 2015-06-10 | 2015-06-10 | A kind of tandem vibration damper based on flat spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398611.6U CN204692424U (en) | 2015-06-10 | 2015-06-10 | A kind of tandem vibration damper based on flat spring |
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| Publication Number | Publication Date |
|---|---|
| CN204692424U true CN204692424U (en) | 2015-10-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520398611.6U Withdrawn - After Issue CN204692424U (en) | 2015-06-10 | 2015-06-10 | A kind of tandem vibration damper based on flat spring |
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Cited By (1)
| 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 |
-
2015
- 2015-06-10 CN CN201520398611.6U patent/CN204692424U/en not_active Withdrawn - After Issue
Cited By (2)
| 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 |
| CN104930102B (en) * | 2015-06-10 | 2017-04-05 | 北京无线电测量研究所 | A kind of tandem amortisseur based on flat spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151007 Effective date of abandoning: 20170405 |
|
| AV01 | Patent right actively abandoned |