CN105864341A - High-reliability combined type shock absorber - Google Patents
High-reliability combined type shock absorber Download PDFInfo
- Publication number
- CN105864341A CN105864341A CN201610344838.1A CN201610344838A CN105864341A CN 105864341 A CN105864341 A CN 105864341A CN 201610344838 A CN201610344838 A CN 201610344838A CN 105864341 A CN105864341 A CN 105864341A
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- CN
- China
- Prior art keywords
- damping
- type shock
- highly reliable
- absorption device
- damp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/108—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
-
- 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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/08—Inertia
Abstract
The invention discloses a high-reliability combined type shock absorber and relates to the technical field of rubber vibration isolators. Vibration reduction is conducted through energy absorption and energy transfer, high-frequency vibration can be isolated, damp in a damp material is used for absorbing part of energy, and the rest of the energy is transferred to a low-frequency section. Damp pads are arranged at the two ends of a damp element of the shock absorber, and a damp pillar is arranged in the middle portion of the damp absorber. A damp pillar bonding aluminum sleeve is designed and is connected with a composite damp board through low-temperature riveting, relative displacement and shear between the damp pillar and an installing and connecting part are eliminated, and the reliability of a damper is greatly improved. Certain taper is designed for a metal limiting gasket of the shock absorber, load bearing of the root portion of an expansion section of a limiting lining is relieved, expansion connection is conducted through an expansion rod, and therefore it is ensured that the integral tight-connection degree is maintained for the shock absorber. The designed combined type shock absorber meets the requirement for resisting large-order dynamic loads and has high reliability, resonance magnification times and high-frequency vibration of equipment are well controlled, and the good buffering performance is also achieved.
Description
Technical field
The present invention relates to a kind of rubber shock absorber technical field, a kind of highly reliable Combined-type shock-absorption device.
Background technology
Damping vibration attenuation technology based on visco-elastic damping material is widely used to various rocket, guided missile, defends
Shaking of instrument and meter, navigator and electronic system etc. on star, military and civil aircraft, naval vessel and vehicle
Move and control and noise control, it has also become one of requisite key technology in Aerospace Engineering.
Rubber shock absorber is simple due to its manufacturing process, easy to use effectively, have certain buffering effect concurrently simultaneously
Really, so being widely used.Electronic equipment rubber shock absorber typical forms has T-shaped vibration damping
Device structure and metal rubber composite vibration reducing device structure etc..
When bearing the dynamic load effects such as big magnitude vibration, impact, there is damping in certain electronic equipment antivibrator
The problem of pad tear, reliability can not meet use requirement；Under the conditions of limited design space, installation can
Not enough by property, it is impossible to meet mounting torque requirement；And metal spacing pad and limiting bush connection reliability
Not enough.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, it is provided that a kind of highly reliable Combined-type shock-absorption
Device, this vibroshock is except having the function of dither of decaying vibrational energy, isolate, the most permissible
Meet assembling, connect and resistance to big magnitude vibration, impact, the high reliability of the dynamic loading such as overload.
The above-mentioned purpose of the present invention is achieved by following technical solution:
A kind of highly reliable Combined-type shock-absorption device, including composite damping board and rubber cushion assembly；Multiple rubber dampings
Device is symmetrically and fixedly mounted on composite damping board, it is achieved the balancing damping to composite damping board；Composite damping board
Including basic unit's aluminium sheet, visco-elastic damping layer and restraint layer steel plate；Wherein, basic unit's aluminium sheet is positioned at bottommost, viscous
Elastomeric damping layer and restraint layer steel plate are sequentially arranged at the upper surface of basic unit's aluminium sheet.
At above-mentioned one highly reliable Combined-type shock-absorption device, the restraint layer steel plate materials of described composite damping board
For 022Cr17Ni12Mo2, basic unit's aluminium sheet sprays epoxy ester undercoat H06-2 after phosphoric acid.
At above-mentioned one highly reliable Combined-type shock-absorption device, described rubber cushion assembly is Combined hollow structure,
Including damping mat, damping column bonding aluminum set, spacing shim and limiting bush；Wherein limiting bush is inverted
T-type structure, including base and hollow elongated axle, hollow elongated axle is axially vertical is positioned at base upper end；Spacing
Lining is positioned at bottom；By damping mat, damping column bonding aluminum set, the order of damping mat, it is sleeved on limit successively
The outer wall of position lining hollow elongated axle, is fixed on the base of limiting bush；Limit is installed in the upper end of damping mat
Position pad, it is achieved damping mat, damping column bonding aluminum set are fixed spacing.
At above-mentioned one highly reliable Combined-type shock-absorption device, described composite damping board is installing rubber cushion assembly
Relevant position is provided with through hole；Two damping mats of rubber cushion assembly respectively with the upper and lower surface of composite damping board
Contact；Damping column bonding aluminum set uses low temperature elastic conjunction technique to coordinate with the through hole of composite damping board.
At above-mentioned one highly reliable Combined-type shock-absorption device, low temperature elastic conjunction technique is: the magnitude of interference is
0.025～0.035mm；Temperature is-60～-80 DEG C；It is incubated 2～2.5 hours.
At above-mentioned one highly reliable Combined-type shock-absorption device, described damping column bonding aluminum set is by damping rubber post
Bonding by Vulcanization is formed in aluminum set outer surface；Limiting bush material is high-temperature alloy material GH4169.
At above-mentioned one highly reliable Combined-type shock-absorption device, described limiting bush hollow elongated axle is internal to be arranged
There is axially extending bore；The wall thickness of hollow elongated axle is 0.95～1.1mm.
At above-mentioned one highly reliable Combined-type shock-absorption device, described spacing shim endoporus is provided with tapering a, a
For 12-18 °.
At above-mentioned one highly reliable Combined-type shock-absorption device, the sulfuration process of described damping column bonding aluminum set is:
Temperature is 140 ± 5 DEG C；Pressure is 10～20MPa；Time is 30～35min.
At above-mentioned one highly reliable Combined-type shock-absorption device, it is characterised in that: described highly reliable Combined-type shock-absorption
Device vibration isolation efficiency is more than or equal to 70%.
The present invention compared with prior art has the advantage that
(1) the high-damping high reliability composite damping of the resistance to environment vibration insulation structure of the present invention has broadband energy concurrently and declines
Subtracting and the function of dither isolation, vibration isolation efficiency reaches more than 70%, can more effectively control structure vibration.
(2) composite damping board of the present invention devises damping vibration attenuation functional areas and installing zone, is realizing Efficient Damping
While vibration damping, meet and install and resistance to big magnitude dynamic loading reliability requirement；
(3) damper designs of the present invention is fabricated structure, and devises damping column bonding aluminum set, eliminates
Damping column with install connecting portion relative displacement, greatly improve the resistance to big magnitude vibration of antivibrator, impact,
The reliability of the dynamic loadings such as overload；
(4) antivibrator of the present invention passes through Optimal Structure Designing, meets damping simultaneously and subtract in limited space
Shake and installation reliability requirement；
(5) antivibrator metal spacing gasket design of the present invention certain taper, reduces limiting bush and expands section
The carrying of root, and ensure that antivibrator keeps the compact siro spinning technology degree of one；
(6) composite damping board of the present invention have employed basic unit's aluminium sheet, visco-elastic damping layer and restraint layer steel plate,
While realizing Efficient Damping vibration damping, meet and install and resistance to big magnitude dynamic loading reliability requirement.
Accompanying drawing explanation
Fig. 1 a is the present invention highly reliable Combined-type shock-absorption device structure front view；
Fig. 1 b is the present invention highly reliable Combined-type shock-absorption device structure top view；
Fig. 2 is composite damping board structural representation of the present invention；
Fig. 3 is rubber cushion assembly structural representation of the present invention；
Fig. 4 is damping mat of the present invention, damping column bonding aluminum set, spacing shim and limiting bush profile.
Detailed description of the invention
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
It is highly reliable Combined-type shock-absorption device structure front view as shown in Figure 1a, is highly reliable group as shown in Figure 1 b
Box-like shock absorber structure top view, as seen from the figure, a kind of highly reliable Combined-type shock-absorption device, including composite damping
Plate 1 and rubber cushion assembly 2；Multiple rubber cushion assemblies 2 are symmetrically and fixedly mounted on composite damping board 1, and one
As be fixedly mounted at the drift angle near composite damping board 1, it is achieved the balancing damping to composite damping board 1；
Composite damping board 1 is fixedly mounted on the outer wall of external equipment.
Being illustrated in figure 2 composite damping board structural representation, as seen from the figure, composite damping board 1 includes basic unit
Aluminium sheet 3, visco-elastic damping layer 4 and restraint layer steel plate 5；Wherein, basic unit's aluminium sheet 3 is positioned at bottommost, viscous
Elastomeric damping layer 4 and restraint layer steel plate 5 are sequentially arranged at the upper surface of basic unit's aluminium sheet 3.
Wherein restraint layer steel plate 5 material of composite damping board is 022Cr17Ni12Mo2, and basic unit's aluminium sheet 3 exists
Epoxy ester undercoat H06-2 is sprayed after phosphoric acid.
Being illustrated in figure 3 rubber cushion assembly structural representation, as seen from the figure, described rubber cushion assembly 2 is
Combined hollow structure, including damping mat 6, damping column bonding aluminum set 7, spacing shim 8 and limiting bush 9；
Wherein limiting bush 9 is inverted T-type structure, and including base and hollow elongated axle, hollow elongated axle is axial
It is vertically positioned at base upper end；Limiting bush 9 is positioned at bottom；By damping mat 6, damping column bonding aluminum set 7,
The order of damping mat 6, is sleeved on the outer wall of limiting bush 9 hollow elongated axle successively, is fixed on limiting bush
On the base of 9；Spacing shim 8 is installed, it is achieved bonding to damping mat 6, damping column in the upper end of damping mat 6
Aluminum set 7 fixing spacing.
It is illustrated in figure 4 damping mat, damping column bonding aluminum set, spacing shim and limiting bush profile, by
Figure understands, and described composite damping board 1 is provided with through hole in the relevant position installing rubber cushion assembly 2；Rubber
Two damping mats 6 of antivibrator 2 upper and lower surface with composite damping board 1 respectively contacts；The bonding aluminum of damping column
Set 7 uses low temperature elastic conjunction technique to coordinate with the through hole of composite damping board 1；The magnitude of interference be 0.025～
0.035mm；Temperature is-60～-80 DEG C；It is incubated 2～2.5 hours.
Damping column bonding aluminum set (7) is formed in aluminum set outer surface by damping rubber post bonding by Vulcanization；Sulfuration process
For: temperature is 140 ± 5 DEG C；Pressure is 10～20MPa；Time is 30～35min.
Limiting bush 9 material is high-temperature alloy material GH4169；Limiting bush 9 hollow elongated axle inside
It is provided with axially extending bore；The wall thickness of hollow elongated axle is 0.95～1.1mm.
Described spacing shim 8 endoporus is provided with the angle that tapering a is 12-18 °.
Described highly reliable Combined-type shock-absorption device vibration isolation efficiency is more than or equal to 70%.
The Making programme of rubber cushion assembly 2 is: first according to each installing hole dimension pairings of composite damping board 1
Processing aluminum set, damping rubber sulfidization molding is bonded in aluminum put obtain integral type damping column bonding aluminum set 7；
On this basis, bonding for damping column aluminum set 7 is incubated 2～2.5 hours in low temperature-80～-60 DEG C, takes out
After be assemblied in the installing hole of 1 four strut angles of composite damping board by aforementioned pairing situation again, then fit on,
Lower two damping mats 6, and limiting bush 9 and spacing shim 8 are installed, make spacing shim 8 normally be overlapped on
On limiting bush 9；Expansion bar is put into the conical surface of spacing shim 8, applies expansion power and make spacing shim 8
Occur certain plastic deformation to form interference fit with limiting bush 9, make both be integrally forming by compact siro spinning technology.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (10)
1. a highly reliable Combined-type shock-absorption device, it is characterised in that: include composite damping board (1) and rubber
Antivibrator (2)；Multiple rubber cushion assemblies (2) are symmetrically and fixedly mounted on composite damping board (1), it is achieved
Balancing damping to composite damping board (1)；Composite damping board (1) includes basic unit's aluminium sheet (3), viscoelasticity
Damping layer (4) and restraint layer steel plate (5)；Wherein, basic unit's aluminium sheet (3) is positioned at bottommost, and viscoelasticity hinders
Buddhist nun's layer (4) and restraint layer steel plate (5) are sequentially arranged at the upper surface of basic unit's aluminium sheet (3).
One the most according to claim 1 highly reliable Combined-type shock-absorption device, it is characterised in that: described
Restraint layer steel plate (5) material of composite damping board be 022Cr17Ni12Mo2, basic unit's aluminium sheet (3) exists
Epoxy ester undercoat H06-2 is sprayed after phosphoric acid.
One the most according to claim 1 highly reliable Combined-type shock-absorption device, it is characterised in that: described
Rubber cushion assembly (2) be Combined hollow structure, including damping mat (6), damping column bonding aluminum set (7),
Spacing shim (8) and limiting bush (9)；Wherein limiting bush (9) is inverted T-type structure, including
Base and hollow elongated axle, hollow elongated axle is axially vertical is positioned at base upper end；Limiting bush (9) is positioned at
Lower end；By damping mat (6), damping column bonding aluminum set (7), the order of damping mat (6), it is set with successively
At the outer wall of limiting bush (9) hollow elongated axle, it is fixed on the base of limiting bush (9)；In damping
Spacing shim (8) is installed in the upper end of pad (6), it is achieved to damping mat (6), damping column bonding aluminum set (7)
Fixing spacing.
One the most according to claim 3 highly reliable Combined-type shock-absorption device, it is characterised in that: described
Composite damping board (1) is provided with through hole in the relevant position installing rubber cushion assembly (2)；Rubber cushion assembly
(2) two damping mats (6) upper and lower surface with composite damping board (1) respectively contacts；Damping column glues
Connecing aluminum set (7) uses low temperature elastic conjunction technique to coordinate with the through hole of composite damping board (1).
One the most according to claim 4 highly reliable Combined-type shock-absorption device, it is characterised in that: low temperature
Elastic conjunction technique is: the magnitude of interference is 0.025～0.035mm；Temperature is-60～-80 DEG C；Insulation 2～
2.5 hour.
One the most according to claim 3 highly reliable Combined-type shock-absorption device, it is characterised in that: described
Damping column bonding aluminum set (7) by damping rubber post bonding by Vulcanization in aluminum set outer surface formed；Limiting bush (9)
Material is high-temperature alloy material GH4169.
One the most according to claim 3 highly reliable Combined-type shock-absorption device, it is characterised in that: described
Limiting bush (9) hollow elongated axle be internally provided with axially extending bore；The wall thickness of hollow elongated axle be 0.95～
1.1mm。
One the most according to claim 3 highly reliable Combined-type shock-absorption device, it is characterised in that: described
Spacing shim (8) endoporus be provided with tapering a, a is 12-18 °.
One the most according to claim 6 highly reliable Combined-type shock-absorption device, it is characterised in that: described
The sulfuration process of damping column bonding aluminum set (7) is: temperature is 140 ± 5 DEG C；Pressure is 10～20MPa；
Time is 30～35min.
One the most according to claim 1 highly reliable Combined-type shock-absorption device, it is characterised in that: described
Highly reliable Combined-type shock-absorption device vibration isolation efficiency is more than or equal to 70%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344838.1A CN105864341B (en) | 2016-05-23 | 2016-05-23 | A kind of highly reliable Combined-type shock-absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344838.1A CN105864341B (en) | 2016-05-23 | 2016-05-23 | A kind of highly reliable Combined-type shock-absorption device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864341A true CN105864341A (en) | 2016-08-17 |
| CN105864341B CN105864341B (en) | 2018-10-19 |
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ID=56635626
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| CN201610344838.1A Active CN105864341B (en) | 2016-05-23 | 2016-05-23 | A kind of highly reliable Combined-type shock-absorption device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906151A (en) * | 2017-12-27 | 2018-04-13 | 南通鸿图橡塑有限公司 | A kind of elevator beam with damping function |
| CN108533656A (en) * | 2018-04-27 | 2018-09-14 | 中国科学院西安光学精密机械研究所 | A kind of rubber shock absorber |
| CN109263165A (en) * | 2018-10-26 | 2019-01-25 | 西南交通大学 | A kind of middle low frequency suction vibration isolation metamaterial of multiband selected control |
| CN111642057A (en) * | 2020-04-30 | 2020-09-08 | 航天材料及工艺研究所 | Novel circuit board locking device with damping and vibration reduction functions |
| CN114183497A (en) * | 2021-12-17 | 2022-03-15 | 中国船舶重工集团公司第七0九研究所 | Triaxial initiative shock absorber and system based on piezoelectric effect |
| CN114614181A (en) * | 2022-03-21 | 2022-06-10 | 华东交通大学 | Anti-collision device for power battery pack for new energy automobile and application of anti-collision device |
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| CN203516585U (en) * | 2013-09-06 | 2014-04-02 | 中国运载火箭技术研究院 | Large-area compound damping vibration attenuation structure applicable to spacecraft |
| CN104608784A (en) * | 2014-12-03 | 2015-05-13 | 青岛澳泰交通设备有限公司 | Top plate shock absorber for rail transit vehicles such as high-speed train and subway |
| CN105114500A (en) * | 2015-08-27 | 2015-12-02 | 航天材料及工艺研究所 | Low-temperature-resistant durable vibration rubber shock absorber |
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| JP2012057658A (en) * | 2010-09-06 | 2012-03-22 | Nitto Denko Corp | Damping sheet and damping method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906151A (en) * | 2017-12-27 | 2018-04-13 | 南通鸿图橡塑有限公司 | A kind of elevator beam with damping function |
| CN108533656A (en) * | 2018-04-27 | 2018-09-14 | 中国科学院西安光学精密机械研究所 | A kind of rubber shock absorber |
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| CN109263165A (en) * | 2018-10-26 | 2019-01-25 | 西南交通大学 | A kind of middle low frequency suction vibration isolation metamaterial of multiband selected control |
| CN109263165B (en) * | 2018-10-26 | 2024-01-30 | 西南交通大学 | Multiband-selected-control medium-low frequency absorption and vibration isolation metamaterial |
| CN111642057A (en) * | 2020-04-30 | 2020-09-08 | 航天材料及工艺研究所 | Novel circuit board locking device with damping and vibration reduction functions |
| CN111642057B (en) * | 2020-04-30 | 2021-10-01 | 航天材料及工艺研究所 | Circuit board locking device with damping and vibration attenuation functions |
| CN114183497A (en) * | 2021-12-17 | 2022-03-15 | 中国船舶重工集团公司第七0九研究所 | Triaxial initiative shock absorber and system based on piezoelectric effect |
| CN114183497B (en) * | 2021-12-17 | 2024-02-27 | 中国船舶重工集团公司第七0九研究所 | Triaxial active vibration damper based on piezoelectric effect and system thereof |
| CN114614181A (en) * | 2022-03-21 | 2022-06-10 | 华东交通大学 | Anti-collision device for power battery pack for new energy automobile and application of anti-collision device |
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| Publication number | Publication date |
|---|---|
| CN105864341B (en) | 2018-10-19 |
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