CN203585198U - Shaft end metal shock absorber - Google Patents
Shaft end metal shock absorber Download PDFInfo
- Publication number
- CN203585198U CN203585198U CN201320767015.1U CN201320767015U CN203585198U CN 203585198 U CN203585198 U CN 203585198U CN 201320767015 U CN201320767015 U CN 201320767015U CN 203585198 U CN203585198 U CN 203585198U
- Authority
- CN
- China
- Prior art keywords
- shaft end
- vibration
- axle head
- seat
- shock absorption
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a shaft end metal shock absorber, which comprises a shaft end flange seat, a shaft end seat and a press cover. The shaft end metal shock absorber has the main technical scheme that the shaft end metal shock absorber comprises axial and radial shock absorption structures, the axial shock absorption structure is characterized in that an annular isolation shock absorption body is arranged on the shaft end flange seat, and the position of the shock absorption body is limited on the shaft end flange seat through the press cover and an outer press cover; the radial shock absorption structure is characterized in that an annular shock absorption body is arranged on the shaft end seat, the position of the shock absorption body is limited on the shaft end flange through a special-shaped cover and a T-shaped cover, a baffle ring is also connected on the edge parts of the shock absorption body and the shaft end seat, and the axial and radial shock absorption structures are connected through the press cover, the outer press cover, the T-shaped cover and the special-shaped cover and are fastened and connected into a complete vibration reduction system with the baffle ring through screw threads via the shaft end seat. The shaft end metal shock absorber has the advantages that the mutual movement is generated between structural elements, friction damping is generated, the rigidity in each direction is approximately identical, the inherent frequency is approximately identical, and in addition, the inherent frequency is lower, so the shock absorption effect of the shock absorber in each direction is ideal. The inherent frequency is lower than 20 Hz, the resonant amplification times is smaller than 2, and the shock absorption effect is greater than 80 percent.
Description
Technical field
The utility model relates to vibrotechnique field, specifically a kind of axle head metal vibration absorber being arranged on axle or axle shape structure two ends.
Background technique
The consequence of most of generation of vibrations is all harmful to, and harmful consequence of bringing in order to reduce vibration just needs a kind of carrier to isolate or reduce the harm of generation of vibration, and this carrier is just called vibration damper.Vibration damper, since producing, with its unique structure and effect, has been widely used in the anti-vibrating system of Aeronautics and Astronautics, naval vessel, big machinery and chemical field.In prior art, vibration damper is mostly the combination of rubber product or metal and rubber product, although damping effect is good, but they also expose shortcomings when playing vibration damping, as: be subject to structure and raw-material restriction, mounting type is single fixing, vibration damping is also single direction, and natural frequency own is high, and damping is less, during resonance, resonance magnification factor is high, will certainly affect so overall effectiveness in vibration suppression, the more important thing is that rubber product is subject to the restriction of rubber material itself, easily aging, goods are short working life; Serviceability temperature is at-30 ~+85 ℃, and the temperature capability that conforms is poor, particularly can not meet the usage requirement under mal-condition.In recent years, along with scientific and technological development, there is full metal shock-absorber, but, still could not solve the problem of mounting type and application conditions restriction, installation form can only adopt bottom support, the side occurring is once in a while hung mounting type effectiveness in vibration suppression and is also had a greatly reduced quality, be subject to the most systems of restriction of mounting type can do complicatedly, increase manufacture cost, just more inadaptable for major axis.And the metalwork of existing vibration damper adopts stainless steel or carbon steel material, and impact resistance is poor, to having quality requirement or severe corrosive environment just more can not meet the demands.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned the deficiencies in the prior art, and a kind of axle head metal vibration absorber rational in infrastructure is provided.This vibration damper can replace bearing, is arranged on the two ends of axle.Carrying aspect, both can bear thrust load, can bear again radial load, and then completed the effect of playing isolation and minimizing vibration at space any direction; Its assembly adopts metal titanium alloy components, makes it to have better impact resistance and adapts to rugged environment ability.
The purpose of this utility model is achieved in that it includes boss seat, axle head seat, and gland, is characterized in that: this vibration damper comprises axial vibration damping structure and radial vibration-reducing structure; Described axial vibration damping structure is: on boss seat, be provided with an annular isolation damping body, this annular isolation damping body is spacing on boss seat by gland and outer press cover; Radial vibration-reducing structure is: on axle head seat, be provided with an annular damping body, this annular damping body is spacing on axle head seat by special-shaped cover and T shape lid, axle head seat and the annular damping body edge back-up ring that has also been threaded; Axial vibration damping structure is connected by gland, outer press cover, T shape lid, special-shaped cover with radial vibration-reducing structure, and connects as one structure by axle head seat and back-up ring screw threads for fastening, forms a complete vibration insulating system.
The structure of annular isolation damping body described in the utility model is: in the structure chamber of metal titanium alloy components, be filled with the honeycomb reticular structure that stainless steel elastic yarn is wound around.
The structure of annular damping body described in the utility model is: in the structure chamber of metal titanium alloy components, be filled with the honeycomb reticular structure that stainless steel elastic yarn is wound around.
The diameter of stainless steel elastic yarn described in the utility model is 0.1～0.2mm, is turned to the spring thread that external diameter is 3～5mm.
The utility model also comprises: between axle head seat and annular damping body, be also provided with packing ring.
Integral structure component assembly of the present utility model adopts metal titanium alloy Tc4(Ti-6Al-4V) material, material itself has that fusing point is high, density is little; Non magnetic, heat, conductivity is low; Linear expansion coeffcient is about stainless half, 1/3 of aluminum alloy, and the size and the change in shape that like this temperature variation are caused are very little, make vibration damper can adapt to aircraft being transmitted into the transient change by+200 ~ 300 ℃ to-50 ~ 80 ℃ of temperature in flight course; Each part adopts high-end manufacturing process to be processed into 1～1.5mm thin-wall part, makes it quality lighter; Fine adaptation has the vibration insulating system of quality requirement, and another characteristic high-low temperature resistant of titanium alloy, stainless, corrosion-resistant makes the adaptation rugged environment that vibration damper can be more better, makes it to have higher intensity and better impact resistance.
The utility model also tool has the following advantages:
1. mounting type is more reasonable.Can design according to the requirement of axle the mounting interface of vibration damper.
2. good damping performance.Between structural member, motion produces frictional damping mutually, make all directions rigidity approximately equal and approximately uniform natural frequency, and natural frequency is lower, thereby vibration damper has identical desirable effectiveness in vibration suppression in all directions.Below natural frequency 20Hz, resonance magnification factor is less than 2, and damping effect is greater than 80%.
3. adopt high-performance, high duty metal titanium alloy material, vibration damper has better impact resistance.Can bear three direction 50g, the impact of 8 ~ 12ms.
4. full-metallic titanium alloy structure, quality is lighter, better anti-corrosion capacity, vibration damper meets various environment, but also have rational in infrastructure, safe and reliable, application area is wide, the advantages such as long service life.
Accompanying drawing explanation
Fig. 1 is sectional structure simplified schematic diagram of the present utility model,
Fig. 2 is scheme of installation of the present utility model.
The symbol description of accompanying drawing major component
1 is boss seat, and 2 is axle head seat, and 3 is special-shaped cover, and 4 is annular damping body, and 5 is annular isolation damping body, 6 is T shape lid, and 7 is back-up ring, and 8 is gland, and 9 is hubcap, and 10 is packing ring, 11 is outer press cover, 12,13 fixed installation holes, and 14 is vibration damping axle exemplar, 15 is fitting seat.
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail; but following example is only the utility model example wherein; do not represent the rights protection scope that the utility model limits, rights protection scope of the present utility model is as the criterion with claims.
Embodiment
embodiment 1
As shown in Figure 1-2,1 in figure is boss seat, and 2 is axle head seat, and 8 is gland, and 9 is hubcap, and 11 is outer press cover, and this vibration damper comprises axial vibration damping structure and radial vibration-reducing structure; The axial vibration damping structure of described axle head metal vibration absorber is fixed on annular isolation damping body 5 on boss seat 1 by gland 8 and outer press cover 11, and hubcap 9 is fastenedly connected and is formed entirety by screw thread and boss seat 1; Radial vibration-reducing structure is connected together annular vibration isolator 4 by special-shaped cover 3 and T shape lid 6 by packing ring 10 transition and axle head seat 2, back-up ring 7 shape that tightens together with axle head seat 2 by screw thread is in aggregates; Axial system is connected by gland 8, outer press cover 11, T shape lid 6, special-shaped cover 3 with radial system, by axle head seat 2 and back-up ring 7, by screw threads for fastening, is linked together, and forms a complete vibration insulating system.
Main body damping element is metal damping twine, its material is that diameter is 0.1～0.2mm stainless steel elastic yarn, turned to external diameter 3～5mm spring thread, then according to the needs of the spatial structure of design, weigh corresponding quality and by Mold Making, become required shape by designing requirement.Be placed in the structure chamber of metal titanium alloy components, damping element internal structure is the honeycomb reticular structure being wound around by stainless steel elastic yarn, be subject to making used time Cellular Networks shape and can making arbitrarily and to change of vibration force like this, phase mutual friction between twine in alteration of form process, form damping function, thereby absorb and consume the energy that most of vibration force produces, playing the effect of vibration damping, external module all adopts metal titanium alloy material to make, it is fitted together by designing requirement, make it to form an entirety with main body damper element, when being subject to external load function, inter-module does relative motion and restriction mutually, by interacting between them, produce relative displacement and obtain frictional damping, thereby make vibration damper space six-degree-of-freedom directional stiffness approximately equal, obtain each direction and have identical natural frequency, the damping effect simultaneously producing due to fricting movement, magnification factor while greatly reducing resonance, thereby vibration damper was obtained within the whole vibrational period, at each, can play good effectiveness in vibration suppression in the other direction.
Integral structure component of the present utility model adopts metal titanium alloy TC 4 material, and each structural member is after surface treatment, and surface hardness can reach HRC60, makes so the existing intensity of all structural members, and flexible again, has possessed resisting strong impact ability; The density of titanium alloy own is very little, is only the half of carbon steel, makes like this vibration damper quality lighter, and fine adaptation has the vibration insulating system of quality requirement, and another characteristic high-low temperature resistant of titanium alloy, stainless, corrosion-resistant makes the adaptation rugged environment that vibration damper can be more better.
The mounting type of the utility model axle head metal vibration absorber: as shown in Figure 2, bolt is connected with vibration damping axle exemplar 14 by threaded mounting hole 12; Fixed installation hole 13 is connected with the fitting seat 15 of fondational structure by bolt, and vibration damper of the present utility model and vibration damping axle exemplar 14 are rigidly connected, and forms integrative-structure.
When axle head metal vibration absorber is subject to Axial Loads, by axle, drive flange seat 1 and hubcap 9, thereby drive gland 8 and outer press cover 11 to move vertically, make 5 compressive strains of annular isolation damping body, play damping effect.Gland 8, outer press cover 11 do relative fricting movement respectively at T shape lid 6, special-shaped cover 3 simultaneously, produce frictional damping, same generation damping in the time of 5 compressive strain of annular isolation damping body, two kinds of damping actings in conjunction, while suppressing to be subject to external load function vibration, in the amplification of the power axially producing, increase damping effect.
When axle head metal vibration absorber is subject to Radial Loads, by axle and axial damping system, promote together T shape lid 6 and radially move with special-shaped cover 3, make annular damping body 4 produce compressive strain, play cushioning effect.T shape lid 6 simultaneously, special-shaped cover 3 forms entirety with packing ring 10 and does relative fricting movement with back-up ring 7, axle head seat 2 respectively, produce frictional damping, same generation damping during annular damping body 4 compressive deformation, two kinds of damping actings in conjunction, while suppressing external load function vibration, in the amplification of the power radially producing, vibration damper reaches desirable effectiveness in vibration suppression, thereby has realized the purpose of this utility model.
Following is related experiment data in the utility model embodiment:
1. sinusoidal experiment: load 10 ~ 50Hz, amplitude 0.7mm; 50 ~ 400Hz, power value 7g.
Axial: 1# 2# 3# 4#
Natural frequency 20.13 20.89 20.67 20.52
Magnification factor 2.03 1.93 2.17 2.07
Warp-wise: 1# 2# 3# 4#
Natural frequency 20.54 19.82 20.85 20.91
Magnification factor 1.54 1.48 1.52 1.53
2. random experiments: load RMS=4.43g
Axial: 1# 2# 3# 4#
Load 4.43 g 4.43g 4.43g 4.43g
Respond 0.908 g 0.709g 0.709g 0.829g
Warp-wise: 1# 2# 3# 4#
Load 4.43g 4.43g 4.43g 4.43g
Response 1.058g 0.956g 0.998g 0.975g
Above laboratory data shows the natural frequency 20 ~ 21Hz of vibration isolator, and magnification factor is less than 2 substantially, and damping efficiency is greater than 80%.
Claims (5)
1. an axle head metal vibration absorber, it includes boss seat, axle head seat, gland, is characterized in that: this vibration damper comprises axial vibration damping structure and radial vibration-reducing structure; Described axial vibration damping structure is: on boss seat, be provided with an annular isolation damping body, this annular isolation damping body is spacing on boss seat by gland and outer press cover; Radial vibration-reducing structure is: on axle head seat, be provided with an annular damping body, this annular damping body is spacing on axle head seat by special-shaped cover and T shape lid, axle head seat and the annular damping body edge back-up ring that has also been threaded; Axial vibration damping structure is connected by gland, outer press cover, T shape lid, special-shaped cover with radial vibration-reducing structure, and connects as one structure by axle head seat and back-up ring screw threads for fastening, forms a complete vibration insulating system.
2. axle head metal vibration absorber according to claim 1, is characterized in that: the structure of described annular isolation damping body is: in the structure chamber of metal titanium alloy components, be filled with the honeycomb reticular structure that stainless steel elastic yarn is wound around.
3. axle head metal vibration absorber according to claim 1, is characterized in that: the structure of described annular damping body is: in the structure chamber of metal titanium alloy components, be filled with the honeycomb reticular structure that stainless steel elastic yarn is wound around.
4. according to the axle head metal vibration absorber described in claim 2 or 3, it is characterized in that: the diameter of stainless steel elastic yarn is 0.1～0.2mm, turned to the spring thread that external diameter is 3～5mm.
5. axle head metal vibration absorber according to claim 1, is characterized in that: between axle head seat and annular damping body, be also provided with packing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320767015.1U CN203585198U (en) | 2013-11-29 | 2013-11-29 | Shaft end metal shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320767015.1U CN203585198U (en) | 2013-11-29 | 2013-11-29 | Shaft end metal shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585198U true CN203585198U (en) | 2014-05-07 |
Family
ID=50583128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320767015.1U Withdrawn - After Issue CN203585198U (en) | 2013-11-29 | 2013-11-29 | Shaft end metal shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727173A (en) * | 2013-11-29 | 2014-04-16 | 辽宁峰阁钛业集团有限公司 | Shaft end metal shock absorber |
| CN112855835A (en) * | 2020-12-22 | 2021-05-28 | 中国人民解放军陆军装甲兵学院 | Vibration damper for weapon station vibration damping alloy |
-
2013
- 2013-11-29 CN CN201320767015.1U patent/CN203585198U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727173A (en) * | 2013-11-29 | 2014-04-16 | 辽宁峰阁钛业集团有限公司 | Shaft end metal shock absorber |
| CN112855835A (en) * | 2020-12-22 | 2021-05-28 | 中国人民解放军陆军装甲兵学院 | Vibration damper for weapon station vibration damping alloy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU95048U1 (en) | VIBRATION INSULATOR | |
| CN201246433Y (en) | Harmonic tremor peak-avoiding vibration damper | |
| CN102052518A (en) | Tuned mass damper structure for reducing pipeline vibration | |
| CN202402559U (en) | Passive low frequency vibration isolator | |
| CN203585198U (en) | Shaft end metal shock absorber | |
| CN105134874B (en) | Satellite flywheel vibration isolation and surge combination formula support | |
| CN110529537A (en) | A kind of endless metal rubber-stranded wire helical spring combined shock absorber | |
| CN203743285U (en) | Multi-dimensional composite metal shock absorber | |
| CN203892435U (en) | Two-way shock absorber based on disc springs | |
| CN105156537A (en) | Metallic spherical shock absorber | |
| CN212429595U (en) | Three-way equal-rigidity metal damping shock absorber | |
| CN103727173B (en) | A kind of shaft end metal shock absorber | |
| CN203257971U (en) | Three-way metal rubber vibration isolator and array thereof | |
| CN112081849A (en) | Three-way equal-rigidity metal damping shock absorber and working method thereof | |
| CN203449876U (en) | Bushing of vehicle stabilizer bar | |
| CN115596803B (en) | Vibration absorption and energy consumption combined broadband vibration damper suitable for aero-engine load-bearing frame | |
| CN208587437U (en) | Wide temperature range three-dimensional metal-rubber vibration absorber | |
| CN202937712U (en) | Radial rubber shock absorber | |
| CN202326898U (en) | Fluid resistance suspension structure of engine | |
| CN203906632U (en) | Three-dimensional vibration isolator and air bottle employing same | |
| CN103016610A (en) | Three-direction metal rubber vibration isolator and array thereof | |
| CN214007877U (en) | Magneto-rheological buffer with series-parallel structure | |
| CN104100667B (en) | The cylindrical rigidity full-metallic vibration damper such as multidirectional of a kind of monomer | |
| CN210510065U (en) | Annular metal rubber-multi-strand spiral spring combined shock absorber | |
| RU73046U1 (en) | Vibration Isolator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140507 Effective date of abandoning: 20151014 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |