CN108167365A - A kind of adjustable radial compaction vibration absorber of pressing force - Google Patents
A kind of adjustable radial compaction vibration absorber of pressing force Download PDFInfo
- Publication number
- CN108167365A CN108167365A CN201810134177.9A CN201810134177A CN108167365A CN 108167365 A CN108167365 A CN 108167365A CN 201810134177 A CN201810134177 A CN 201810134177A CN 108167365 A CN108167365 A CN 108167365A
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- CN
- China
- Prior art keywords
- vibration absorber
- block
- mounting base
- pressing force
- withstanding tight
- 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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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 46
- 238000005056 compaction Methods 0.000 title claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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
- F16F7/1028—Vibration-dampers; Shock-absorbers using inertia effect the inertia-producing means being a constituent part of the system which is to be damped
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of adjustable radial compaction vibration absorbers of pressing force, the vibration absorber is fixedly mounted on the medial surface of the tubular mounting bracket, press assembly is located inside the vibration absorber, the vibration absorber includes multiple bleeder mechanisms, six bleeder mechanisms are located at the same section of the tubular mounting bracket, and be uniformly distributed along the central axes of the tubular mounting bracket, the bleeder mechanism applies inside radial pressure to the press assembly；The bleeder mechanism includes mounting base, drive block, transmission nut, withstanding tight block and damping block；A kind of adjustable radial compaction vibration absorber of pressing force of the present invention is fixed press assembly in tubular fixed frame by multiple bleeder mechanisms, and is passed through the vibration insulating system inside bleeder mechanism and realized purpose of the press assembly relative to tubular mounting bracket vibration damping in all directions.
Description
Technical field
The present invention relates to fixing piece field more particularly to a kind of adjustable radial compaction vibration absorbers of pressing force.
Background technology
Press assembly is fixedly mounted in tubular mounting bracket, it is general using form once at this stage：
1st, press assembly is fixed on by tubular mounting bracket side by screw, screw connection uses damper vibration damping.This
There are screw mounting flanges for kind mode so that component is difficult to install relative to tubular mounting bracket axisymmetrical, due to press assembly
On there are screw mounting flanges, also destroy the symmetry of component in itself.And it is difficult to along each side of tubular mounting bracket radial direction
To vibration damping.
2nd, flange is circumferentially designed along press assembly, is evenly distributed with one week screw hole on flange, cylinder is secured the assembly in by screw
In shape mounting bracket, screw connection uses damper vibration damping.Such mounting means is shorter for press assembly, it is only necessary to one group of flange
Situation it is fine, if component is longer, when needing flanged joint more than two, mismachining tolerance, coefficient of thermal expansion between two groups of flanges
The factors such as difference cause the position deviation between component flange and tubular mounting bracket flange excessive, after being likely to result in component installation
It is indeterminate, destroyed modular construction.
Traditional mounting means, which can not be realized, requires press assembly to be symmetrically installed relative to tubular mounting bracket, and in tubular
The each rectangular purpose for carrying out damping of mounting bracket radial direction.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of pressing force adjustable radial compaction vibration damping
Device.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of adjustable radial compaction vibration absorber of pressing force, the vibration absorber are fixedly mounted on the tubular mounting bracket
Medial surface, press assembly is located inside the vibration absorber, and the vibration absorber includes multiple bleeder mechanisms, described in six point
Pressure device is located at the same section of the tubular mounting bracket, and is uniformly distributed along the central axes of the tubular mounting bracket, described point
Pressure device applies inside radial pressure to the press assembly；
The bleeder mechanism includes：
Mounting base, the mounting base are the box body of top surface removal, the bottom surface of the mounting base and the tubular mounting bracket
Medial surface is fixedly connected, the bottom surface setting through-hole of the mounting base；
Drive block, the drive block include tablet and thread segment, the downside of the tablet and the upside of the thread segment
Face is fixedly connected, and the lower end of the thread segment passes through the through-hole, and the flatbed horizontal is arranged in the mounting base；
Transmission nut is provided with the internal thread being adapted to the thread segment in the transmission nut, and the transmission nut leads to
It crosses screw thread pair to connect with the thread segment, the transmission nut is located between bottom surface and the tablet of the mounting base；
Withstanding tight block, the withstanding tight block are arranged on above the mounting base, the downside of the withstanding tight block and the mounting base
Between be provided with gap, the downside of the withstanding tight block is fixedly connected by disc spring group with the tablet upper side of the drive block.
Further, the vibration absorber further includes the downside of damping block, the upper side of the tablet and the withstanding tight block
Fixing sleeve and lower fixing sleeve are respectively arranged with, the top and bottom of the damping block are separately positioned on fixed set and institute
It states in lower fixing sleeve, is provided with gap between fixed set and the lower fixing sleeve, the disc spring group is sleeved on described
Outside fixing sleeve and the lower fixing sleeve.
Preferably, the blind hole being adapted to the thread segment, the lower end of the thread segment are provided on the tubular mounting bracket
Across the mounting base bottom surface through-hole and be fixedly connected with the limiting swivel nut being arranged in the blind hole.
Specifically, one of side of the mounting base is provided with the bar hole for operating the transmission nut.、
Preferably, the disc spring group includes the disc spring piece overlapped again after multiple pairings.
Preferably, the damping block is cylindrical structure.
Specifically, the mounting base, the drive block and the withstanding tight block are square structure, the mounting base, described
Drive block, the withstanding tight block, the drive block, the disc spring group, the damping block, fixed set and the lower fixing sleeve
Central axes overlap setting.
Further, the vibration absorber further includes circular column draft spring, the upper ends of multiple circular column draft springs with
The side of the withstanding tight block is fixedly connected, and the lower end of multiple circular column draft springs is fixed with the side of the mounting base to be connected
It connects, multiple circular column draft springs are uniformly distributed along the central axes of the vibration absorber.
Specifically, the withstanding tight block is the box body of bottom surface removal, and the side of the withstanding tight block is provided with draws with the cylinder
Stretch the straight slot of spring adaptation.
The beneficial effects of the present invention are：
A kind of adjustable radial compaction vibration absorber of pressing force of the present invention is fixed press assembly by multiple bleeder mechanisms
In tubular fixed frame, and pass through the vibration insulating system inside bleeder mechanism and realize press assembly relative to tubular mounting bracket along each side
To the purpose of vibration damping.
Description of the drawings
Fig. 1 is a kind of structure diagram of the adjustable radial compaction vibration absorber of pressing force of the present invention；
Fig. 2 is the structure diagram of withstanding tight block of the present invention；
Fig. 3 is the structure diagram of mounting base of the present invention；
Fig. 4 is the structure diagram of drive block of the present invention；
Fig. 5 is the structure diagram of circular column draft spring of the present invention；
Fig. 6 is the structure diagram of transmission nut of the present invention；
Fig. 7 is the structure diagram of limiting swivel nut of the present invention；
Fig. 8 is the structure diagram of damping mat of the present invention；
Fig. 9 is the structure diagram of disc spring of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, a kind of adjustable radial direction of pressing force of the present invention
Vibration absorber is compressed, vibration absorber is fixedly mounted on the medial surface of tubular mounting bracket 200, and press assembly 100 is located at vibration absorber
Inside, vibration absorber include multiple bleeder mechanisms, and six bleeder mechanisms are located at the same section of tubular mounting bracket 200, and along cylinder
The central axes of shape mounting bracket 200 are uniformly distributed, and bleeder mechanism applies inside radial pressure to press assembly 100；
Bleeder mechanism includes：
Mounting base 5, mounting base 5 are the box body of top surface removal, the bottom surface of mounting base 5 and the medial surface of tubular mounting bracket 200
It is fixedly connected, the bottom surface setting through-hole 51 of mounting base 5, one of side of mounting base 5 is provided with to operate transmission nut 7
Bar hole 52；
Drive block 6, drive block 6 include tablet 61 and thread segment 62, the downside of tablet 61 and the upper side of thread segment 62
It is fixedly connected, the lower end of thread segment 62 passes through through-hole 51, and tablet 61 is horizontally set in mounting base 5, is set on tubular mounting bracket 200
The blind hole being adapted to thread segment 62 is equipped with, the lower end of thread segment 62 passes through the bottom surface through-hole 51 of mounting base 5 and with being arranged on blind hole
Interior limiting swivel nut 8 is fixedly connected；
Transmission nut 7 is provided with the internal thread being adapted to thread segment 62 in transmission nut 7, and transmission nut 7 passes through screw thread pair
It is connect with thread segment 62, transmission nut 7 is located between the bottom surface of mounting base 5 and tablet 61；
Withstanding tight block 1, withstanding tight block 1 is arranged on 5 top of mounting base, between being provided between the downside of withstanding tight block 1 and mounting base 5
Gap, the downside of withstanding tight block 1 are fixedly connected by disc spring group 2 with 61 upper side of tablet of drive block 6, and disc spring group 2 includes multiple
The disc spring piece overlapped again after pairing, withstanding tight block 1 are the box body of bottom surface removal, and the side of withstanding tight block 1 is provided with and circular column draft
The straight slot 12 that spring 3 is adapted to.
Damping block 4, the upper side of tablet 61 and the downside of withstanding tight block 1 are respectively arranged with fixing sleeve 11 and lower fixing sleeve
63, the top and bottom of damping block 4 are separately positioned in fixing sleeve 11 and lower fixing sleeve 63, upper fixing sleeve 11 and lower fixing sleeve
Gap is provided between 63, disc spring group 2 is sleeved on outside fixing sleeve 11 and lower fixing sleeve 63, and damping block 4 is cylindrical structure.
Circular column draft spring 3, the side of the upper ends of multiple circular column draft springs 3 with withstanding tight block 1 are fixedly connected, Duo Geyuan
Side of the lower end of column extension spring 3 with mounting base 5 is fixedly connected, axis of multiple circular column draft springs 3 along vibration absorber
Line is uniformly distributed.
Mounting base 5, drive block 6 and withstanding tight block 1 are square structure, mounting base 5, drive block 6, withstanding tight block 1, drive block 6,
Disc spring group 2, damping block 4, upper fixing sleeve 11 and lower fixing sleeve 63 central axes overlap setting.
A kind of operation principle of the adjustable radial compaction vibration absorber of pressing force of the present invention is as follows：
As shown in Figure 1, disc spring is used using the complex method overlapped again after pairing, enhance 2 rigidity of disc spring group and stroke,
2 original length h of disc spring group0, 2 rigidity k of disc spring group1, damping mat rigidity k2.Compress vibration absorber elemental height H0.During original state
6 rectangular plate face of drive block and 5 plate face distance a of mounting base0.8 end face of swivel nut is limited during original state is with 5 plate face distance of mounting base
b0。
During original state, since 3 restoring force of circular column draft spring acts on, part is closely folded between withstanding tight block 1 and mounting base 5
It closes, compresses vibration absorber and remain minimum constructive height Hmin=H0, have maximal clearance between withstanding tight block 1 and press assembly 100 at this time
Lmax=L0.It is inserted in tubular mounting bracket 200 convenient for press assembly 100.
Transmission nut 7 is operated by the bar hole 52 on mounting bracket, moves upwards drive block 6 by screw-driven, this
When b, L reduce, a, H increase, and △ b=△ L=△ a=△ H.Due to 3 rigidity of circular column draft spring and 2 rigidity k of disc spring group1、
Damping mat rigidity k2Compared to can be neglected, and withstanding tight block 1 does not contact with press assembly 100, h is remained unchanged.
Continue to operate transmission nut 7, when L is decreased to zero, withstanding tight block 1 is contacted with press assembly 100, is further grasped at this time
Make transmission nut 7, L is reduced to zero and remains unchanged, and H, which reaches rated maximum and remains unchanged, (says that H may be protected at this time on stringent
It holds constant, it is also possible to continue to increase, depending on the circumferentially each sequence and mode for compressing vibration absorber installation of component.It is if symmetrical
The transmission nut 7 on each compression vibration absorber is operated, then H is remained unchanged at this time；If by each transmission for compressing vibration absorber
Nut 7 operates next compression vibration absorber again after being screwed into place, then H is more than rated maximum and continues to increase at this time, until right
After compression vibration absorber operation in place on title face, H gradually decreases to rated maximum), disc spring group 2 is compressed with damping mat, h
Reduce, b continues to reduce, and a continues to increase.And △ b=△ a, Hmax-Hmin=L0, △ h=△ a-L0=△ b-L0, then single compression
Vibration absorber is applied to radial compacting force F=△ h × (k on press assembly 1001+k2)=(△ b-L0)×(k1+k2)。
As b=0, transmission nut 7 operates in place, △ b=b0, F=(b0-L0)×(k1+k2), it is seen that by adjusting b0With
L0Numerical value can adjust vibration damping pressing device radial compacting force size.
Compared with traditional technology, the advantages of this technology, is not needing to design mounting flange on press assembly 100, relies on
Component is installed in tubular mounting bracket 200 by the radial compacting force for compressing vibration absorber, helps to pacify component relative to tubular
The installation of 200 axisymmetricals is shelved, component can in all directions subtracted in the section of 200 axis of tubular mounting bracket
It shakes, the radial compacting force that simple mode quantitative adjusting is applied on component may be used, transmission nut 7 is screwed into place showing to press
Clamp force reaches design value, and the process for applying radial compacting force to component does not need to use dynamometric device, and operating procedure is simple.
The screwing length of swivel nut 8 is limited by adjusting, can adjust the maximum deformation quantity of disc spring group 2 and damping mat, and then adjust
The whole specified pressing force being applied on component；Compact heap and mounting base 5 are tensed by circular column draft spring 3, make the device into
One entirety, and keep minimum constructive height so that there are gaps between withstanding tight block 1 and press assembly 100, are inserted in convenient for component.
In addition, specific mounting means can be varied from the basis of Fig. 1.Such as using 6 bleeder mechanisms as one group, make
Used time can set multigroup bleeder mechanism, and its axial direction along press assembly is distributed；It can also only retain 1 group, it is another in component
The other end using hinge connection or is completely fixed by one end.
When component section is non-circular, it is possible to use the compression vibration absorber.Such as square section, it can be corresponded on 4 sides
It is compressed in opposite directions on face using compressing vibration absorber, realizes that component is symmetrically installed and vibration damping, the quantity of specific bleeder mechanism can be with
It is adjusted according to practical service condition.
Technical scheme of the present invention is not limited to the limitation of above-mentioned specific embodiment, every to do according to the technique and scheme of the present invention
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (9)
1. a kind of adjustable radial compaction vibration absorber of pressing force, it is characterised in that：The vibration absorber is fixedly mounted on described
The medial surface of tubular mounting bracket, press assembly are located inside the vibration absorber, and the vibration absorber includes multiple bleeder mechanisms,
Six bleeder mechanisms are located at the same section of the tubular mounting bracket, and uniformly divide along the central axes of the tubular mounting bracket
Cloth, the bleeder mechanism apply inside radial pressure to the press assembly；
The bleeder mechanism includes：
Mounting base, the mounting base are the box body of top surface removal, the bottom surface of the mounting base and the inside of the tubular mounting bracket
Face is fixedly connected, the bottom surface setting through-hole of the mounting base；
Drive block, the drive block include tablet and thread segment, and the downside of the tablet and the upper side of the thread segment are consolidated
Fixed connection, the lower end of the thread segment pass through the through-hole, and the flatbed horizontal is arranged in the mounting base；
Transmission nut is provided with the internal thread being adapted to the thread segment in the transmission nut, and the transmission nut passes through spiral shell
Line pair is connect with the thread segment, and the transmission nut is located between bottom surface and the tablet of the mounting base；
Withstanding tight block, the withstanding tight block is arranged on above the mounting base, between the downside of the withstanding tight block and the mounting base
Gap is provided with, the downside of the withstanding tight block is fixedly connected by disc spring group with the tablet upper side of the drive block.
2. a kind of adjustable radial compaction vibration absorber of pressing force according to claim 1, it is characterised in that：Further include resistance
The downside of Buddhist nun's block, the upper side of the tablet and the withstanding tight block is respectively arranged with fixing sleeve and lower fixing sleeve, the resistance
The top and bottom of Buddhist nun's block be separately positioned on it is fixed set and the lower fixing sleeve in, it is fixed set and it is described lower solid
Gap is provided between fixed set, the disc spring group is sleeved on outside fixed set and the lower fixing sleeve.
3. a kind of adjustable radial compaction vibration absorber of pressing force according to claim 1, it is characterised in that：The tubular
The blind hole being adapted to the thread segment is provided on mounting bracket, the lower end of the thread segment passes through the bottom surface through-hole of the mounting base
And it is fixedly connected with the limiting swivel nut being arranged in the blind hole.
4. a kind of adjustable radial compaction vibration absorber of pressing force according to claim 1, it is characterised in that：The installation
One of side of seat is provided with the bar hole for operating the transmission nut.
5. a kind of adjustable radial compaction vibration absorber of pressing force according to claim 1, it is characterised in that：The disc spring
Group includes the disc spring piece overlapped again after multiple pairings.
6. a kind of adjustable radial compaction vibration absorber of pressing force according to claim 2, it is characterised in that：The damping
Block is cylindrical structure.
7. a kind of adjustable radial compaction vibration absorber of pressing force according to claim 2, it is characterised in that：The installation
Seat, the drive block and the withstanding tight block are square structure, the mounting base, the drive block, the withstanding tight block, the biography
Motion block, the disc spring group, the damping block, fixed set and the central axes of the lower fixing sleeve overlap setting.
8. a kind of adjustable radial compaction vibration absorber of pressing force according to claim 7, it is characterised in that：Further include circle
Column extension spring, the side of the upper ends of multiple circular column draft springs with the withstanding tight block are fixedly connected, multiple circles
Side of the lower end of column extension spring with the mounting base is fixedly connected, and multiple circular column draft springs are filled along the vibration damping
The central axes put are uniformly distributed.
9. a kind of adjustable radial compaction vibration absorber of pressing force according to claim 8, it is characterised in that：It is described to hold out against
Block is the box body of bottom surface removal, and the side of the withstanding tight block is provided with the straight slot being adapted to the circular column draft spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134177.9A CN108167365B (en) | 2018-02-09 | 2018-02-09 | Radial compression vibration damper with adjustable compression force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134177.9A CN108167365B (en) | 2018-02-09 | 2018-02-09 | Radial compression vibration damper with adjustable compression force |
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| Publication Number | Publication Date |
|---|---|
| CN108167365A true CN108167365A (en) | 2018-06-15 |
| CN108167365B CN108167365B (en) | 2024-06-25 |
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| CN201810134177.9A Active CN108167365B (en) | 2018-02-09 | 2018-02-09 | Radial compression vibration damper with adjustable compression force |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778642A (en) * | 2019-11-11 | 2020-02-11 | 中国科学院上海技术物理研究所 | Damping vibration attenuation structure for space satellite-borne instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778642A (en) * | 2019-11-11 | 2020-02-11 | 中国科学院上海技术物理研究所 | Damping vibration attenuation structure for space satellite-borne instrument |
| WO2021093549A1 (en) * | 2019-11-11 | 2021-05-20 | 中国科学院上海技术物理研究所 | Damping vibration attenuation structure for space satellite-borne instrument |
| CN110778642B (en) * | 2019-11-11 | 2024-03-19 | 中国科学院上海技术物理研究所 | Damping vibration attenuation structure for space satellite-borne instrument |
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