CN203656040U - Inertial mass energy accumulation type damping device - Google Patents
Inertial mass energy accumulation type damping device Download PDFInfo
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- CN203656040U CN203656040U CN201320574141.5U CN201320574141U CN203656040U CN 203656040 U CN203656040 U CN 203656040U CN 201320574141 U CN201320574141 U CN 201320574141U CN 203656040 U CN203656040 U CN 203656040U
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Abstract
The utility model discloses an inertial mass energy accumulation type damping device. A spring A (1) and a damper A (2) are connected in parallel to constitute a conventional vibration isolator (3), an inertial mass accumulator (6) and a spring B (5) are connected in series to constitute a novel vibration isolator (4), and the inertial mass energy accumulation type damping device comprises the conventional vibration isolator (3) and the novel vibration isolator (4) which are connected in parallel. According to the damping device, the vibration performance of suspension can be improved greatly under the condition that the work space of the damping device is unchanged, so that the overall performance of the damping device is improved remarkably. Besides, the damping device is compact in structure, all that is needed is to perform little improvement on the basis of the conventional passive damping device, mature theory and technology of the conventional passive damping device can be used sufficiently, complicated controller, control strategy and electronic components are not required, energy input is not required, the cost is low, and the reliability is high.
Description
Technical field
The utility model relates to vibration damping and vibration isolation technique field, specifically refers to the vibration damping equipment being made up of inertial mass accumulator, spring and damper.
Background technique
The major function of vibration damping equipment is to improve outstanding vibration characteristics of improving quality, in carrying out this function, and also must be by the control of vibration damping equipment working space in allowed limits.Tradition passive absorber is by spring and damper parallel connection, and this structural type is from determining existing one-hundred-year history so far, never breakthrough.In traditional passive absorber, on the one hand, adopt softer spring can obtain good vibration characteristics, on the other hand, vibration characteristics is but always to sacrifice vibration damping equipment working space as cost.For alleviating this contradiction, occur initiatively and half active damper.Active damper due to complex structure, poor reliability, low-response, energy consumption is high, cost is high, its research only rests on theory stage.Half active damper energy consumption is low, but the existence of Time Delay has limited the performance of its performance, and commercialization is still needed the long period.Passive absorber is simple in structure, with low cost, reliable in function, still has higher Research Significance and construction value in present stage.
The vibration damping equipment of mechanical system and the eliminator of electricity system have similarity, and function is all the harmful frequency in decay input signal.Inertial mass accumulator is exactly the similarity based on Mechatronic Systems and the complete similar corresponding mechanical component of a kind of and capacitor introduced.Its appearance makes the mechanical elements of mechanical vibration insulating system and the electricity component of eliminator can be perfect corresponding, thereby makes the structural type of passive vibration isolation device as eliminator, have diversity.
Chinese patent 200810123830.8 discloses a kind of inertial mass energy-storage type suspension frame structure.By inertial mass accumulator and damper parallel connection, spring and another damper parallel connection, then by two paralleling mechanism series connection.In theory, this suspension can effectively be alleviated the contradiction between riding comfort and driving safety, but in actual application, the doublet of inertial mass accumulator and damper, under car body Action of Gravity Field, be easy to lose efficacy because of " puncturing ", damping property after inefficacy and traditional isolation mounting indifference, and moment of failure can produce larger impact.The problem losing efficacy because of " puncturing " in order to solve the doublet of inertial mass accumulator and damper, Chinese patent 201010281331.9 improves said structure, in the doublet two ends parallel connection of inertial mass accumulator and damper a spring, efficiently solve " puncturing " Problem of Failure, still, spring in parallel declines vibration damping usefulness to some extent, and complicated structure, difficulty in installation and layout, as long as wherein one-level doublet lost efficacy, whole device cannot normally be worked.
Along with the develop rapidly of industrial technology, vibration source intensity improves constantly, but but more and more stricter to the restriction of vibration, and low-carbon (LC), environmental protection, the energy-conservation trend that becomes current development in science and technology.Tradition passive absorber has been gone through century-old development, theoretical ripe, reliable performance, and with low cost, the appearance of inertial mass accumulator, makes passive vibration damping have larger development potentiality.Therefore, in engineering, in the urgent need to a kind of superior performance, and can make full use of the new type of passive vibration damping equipment of traditional isolation mounting mature technology.
Summary of the invention
Technical problem to be solved in the utility model is: on traditional vibration damping equipment basis of spring and damper parallel connection, increase inertial mass accumulator, under the constant prerequisite of vibration damping equipment working space, improve to greatest extent outstanding vibration characteristics of improving quality, and can make full use of the existing ripe theory of traditional passive absorber and production technology.
The technological scheme that the utility model solves this technical problem employing is: spring A and damper A compose in parallel traditional vibration isolator, inertial mass accumulator and spring B are composed in series novel vibration isolator, and traditional vibration isolator and novel vibration isolator are composed in parallel to inertial mass energy-storage type vibration damping equipment.
The concrete technological scheme of the utility model comprises traditional vibration isolator and novel vibration isolator.
Tradition vibration isolator comprises spring A and damper A, and spring A and damper A are in parallel.Novel vibration isolator comprises inertial mass accumulator and spring B, inertial mass accumulator and spring B series connection.Tradition vibration isolator and novel vibration isolator compose in parallel inertial mass energy-storage type vibration damping equipment.
The inertial mass energy-storage type vibration damping equipment of this band spring in parallel is as suspension device for vehicle, pilot set vibration damping equipment or cab mounting vibration damping equipment.
Compared with traditional passive absorber, the beneficial effects of the utility model are:
1, inertial energy-accumulating formula vibration damping equipment can suppress the resonance of system, especially in low frequency part.
2, inertial energy-accumulating formula vibration damping equipment can be alleviated outstanding contradiction of improving quality between vibration characteristics and working space, and the outstanding vibration characteristics of improving quality has clear improvement, but vibration damping equipment working stroke does not increase.
Above-mentioned two advantages have determined that this vibration damping equipment is obviously better than traditional vibration damping equipment in performance, and in addition, this apparatus structure letter is compact, does not need complicated controller, control strategy and electronic parts and components, does not need energy input, and cost is low, and reliability is high.
Brief description of the drawings
Fig. 1 is traditional passive absorber structural representation
Fig. 2 is inertial mass energy-storage type damping device structure schematic diagram
Fig. 3 is two-degree-of-freedom vibration isolating system model figure
Fig. 4 adopts the inertial mass energy-storage type vibration damping equipment shown in Fig. 2 as the second level isolation mounting shown in Fig. 3, when adopting the traditional vibration damping equipment shown in Fig. 1 as second level isolation mounting shown in Fig. 3, the amplitude versus frequency characte contrast schematic diagram of outstanding improve quality acceleration and vibration damping equipment working stroke
In figure, the outstanding 8-second level vibration damping equipment 9-that improves quality of the novel vibration isolator 5-of the 1-spring A 2-damper A 3-tradition vibration isolator 4-spring B 6-inertial mass accumulator 7-quality 10-first order vibration damping equipment 11-dynamic excitation that hangs
Embodiment
Below in conjunction with accompanying drawing and two-degree-of-freedom vibration isolating example, the utility model is further described.
The utility model comprises traditional vibration isolator (3) and novel vibration isolator (4).
Tradition vibration isolator (3) is traditional vibration damping equipment, comprises spring A (1) and damper A (2), spring A (1) and damper A (2) parallel connection, as shown in Figure 1.
Novel vibration isolator (4) comprises inertial mass accumulator (6) and spring B (5), inertial mass accumulator (6) and spring B (5) series connection.
Inertial mass energy-storage type vibration damping equipment is composed in parallel by above-mentioned traditional vibration isolator (3) and novel vibration isolator (4), as shown in Figure 2.
Inertial mass accumulator (6) way of realization in the utility model has multiple, can adopt gear rack inertial mass accumulator (Rack and pinion inerter, see U. S. Patent 7316303B2), ball screw inertial mass accumulator (Ball screw inerter, see U. S. Patent 2009/0108510A1) and fluid power inertial mass accumulator (Hydraulic inerter is shown in U. S. Patent 2009/0139225A1) in one.
Fig. 3 is two-degree-of-freedom vibration isolating system model, by outstanding improving quality (7), second level vibration damping equipment (8), the quality that hangs (9), first order vibration damping (10), and the part such as dynamic excitation (11) composition.
Fig. 4 adopts vibration damping equipment shown in Fig. 2 as the second level isolation mounting (8) shown in Fig. 3, when adopting the traditional vibration damping equipment shown in Fig. 1 as second level isolation mounting (8) shown in Fig. 3, the amplitude versus frequency characte contrast schematic diagram of outstanding improve quality acceleration and vibration damping equipment working stroke.As can be seen from Figure 4, adopt the inertial energy-accumulating formula isolation mounting shown in Fig. 2 as second level isolation mounting, in the time being subject to low-frequency excitation, the amplitude of outstanding improve quality acceleration and vibration damping equipment working stroke has obvious reduction, and effectiveness in vibration suppression is significantly increased.
The inertial mass energy-storage type vibration damping equipment of this band spring in parallel is as suspension device for vehicle, pilot set vibration damping equipment or cab mounting vibration damping equipment.
In the situation that other conditions are identical, the utility model can reach the performance index close with the disclosed two-stage series connection type of above-mentioned Chinese patent 200810123830.8 inertial mass energy-storage type suspension during as suspension frame structure, and has in the following areas clear superiority:
1, retain spring A (1) and damper A (2) traditional vibration isolator in parallel, made its two ends can bear static load, thereby effectively avoided inertial mass accumulator to lose efficacy because of " puncturing ", had more engineering using value.
2, traditional vibration isolator is in parallel with novel vibration isolator, compact structure improves a little on the basis of traditional isolation mounting setting type, can continue to use existing ripe theoretical method and process engineering.
3, traditional vibration isolator is in parallel with novel vibration isolator, promote the reliability of vibration damping equipment, even if novel vibration isolator lost efficacy, can also retain the vibration damping usefulness of traditional vibration damping equipment of spring A (1) and damper A (2) parallel connection.
In sum, the utility model is simple in structure, and reliability is high, although change less to traditional vibration damping equipment, but in the situation that vibration damping equipment working space remains unchanged, can greatly improve outstanding vibration characteristics of improving quality, the overall performance of vibration damping equipment is increased dramatically.
Claims (4)
1. an inertial mass energy-storage type vibration damping equipment, is characterized in that being made up of inertial mass accumulator, spring A, spring B and damper A; Its medi-spring A (1) and damper A (2) parallel connection, form traditional vibration isolator (3), inertial mass accumulator (6) and spring B (5) series connection, form novel vibration isolator (4), described traditional vibration isolator (3) is in parallel with novel vibration isolator (4).
2. inertial mass energy-storage type vibration damping equipment according to claim 1, is characterized in that, this inertial mass energy-storage type vibration damping equipment is as suspension device for vehicle.
3. inertial mass energy-storage type vibration damping equipment according to claim 1, is characterized in that, this inertial mass energy-storage type vibration damping equipment is as pilot set vibration damping equipment.
4. inertial mass energy-storage type vibration damping equipment according to claim 1, is characterized in that, this inertial mass energy-storage type vibration damping equipment is as cab mounting vibration damping equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574141.5U CN203656040U (en) | 2013-09-17 | 2013-09-17 | Inertial mass energy accumulation type damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574141.5U CN203656040U (en) | 2013-09-17 | 2013-09-17 | Inertial mass energy accumulation type damping device |
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| Publication Number | Publication Date |
|---|---|
| CN203656040U true CN203656040U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320574141.5U Expired - Fee Related CN203656040U (en) | 2013-09-17 | 2013-09-17 | Inertial mass energy accumulation type damping device |
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| CN (1) | CN203656040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470680A (en) * | 2013-09-17 | 2013-12-25 | 中国北方车辆研究所 | Inertia mass energy storage type vibration reduction device |
-
2013
- 2013-09-17 CN CN201320574141.5U patent/CN203656040U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470680A (en) * | 2013-09-17 | 2013-12-25 | 中国北方车辆研究所 | Inertia mass energy storage type vibration reduction device |
| CN103470680B (en) * | 2013-09-17 | 2015-11-25 | 中国北方车辆研究所 | Inertial mass energy-storage type vibration damping equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20180917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |