CN207278754U - A kind of modified resonance free peak vibration isolator - Google Patents
A kind of modified resonance free peak vibration isolator Download PDFInfo
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- CN207278754U CN207278754U CN201721239011.0U CN201721239011U CN207278754U CN 207278754 U CN207278754 U CN 207278754U CN 201721239011 U CN201721239011 U CN 201721239011U CN 207278754 U CN207278754 U CN 207278754U
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- main spring
- shrapnel
- boss
- link block
- spring set
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Abstract
A kind of modified resonance free peak vibration isolator, including main spring Damping modules, shrapnel damping buffering module, installation link block；Shrapnel damping module includes shrapnel component and main spring set, and main spring covers one end and is installed on inside installation link block, and the other end stretches out installation link block；The lower part of main spring set is equipped with the boss of an annular, at least two groups of shrapnel components are separately positioned on the upper and lower of boss, each group of shrapnel component is symmetrically mounted at the outside of main spring set, and shrapnel component one end and boss connect, and the shrapnel component other end and installation link block connect；Main spring Damping modules are through main spring set, and main spring Damping modules one end is installed in installation link block, and the other end stretches out main spring set.The utility model has the advantages that to reduce the direct alternation friction of main spring set and spring leaf, reduces the frequency of use of spring assembly, extends the service life of vibration isolator.The utility model belongs to shock insulation buffer unit technical field.
Description
Technical field
The utility model belongs to shock insulation buffer unit technical field, more particularly to a kind of energy used in electronics bay
Bear thump, suppress the modified resonance free peak vibration isolator of resonance.
Background technology
Shock resistance can effectively decay without humorous peak vibration isolator, suppress vibration, impact that ship electronic system equipment is subject to
And equal excitation is waved, make electronic equipment that there is moderately good working environment, avoid electronic equipment caused by impacting equal excitation
Hydraulic performance decline or damage；Especially in operational environment, complexity, changeable, high intensity shock environment, such as I are faced
Square weapon delivery, the thump excitation such as submarine mine explosion and enemy weapon hit can all impact ship electronic equipment.
Military project electronic equipment uses a kind of Modular-Type Non-Peak Shock Isolator at present, which exists
Have in CN03131862.2 patent documents it is mentioned, the modularization vibration isolator by main spring module, damping buffering spring module with
And connection installation module forms, the performance of suppression resonance and buffering is mainly realized by the spring leaf of two kinds of different structures, but
Its is complicated, and the manufacturing process of the shrapnel of two kinds of different sizes is cumbersome, and installation and maintenance are cumbersome.In use, by
Shrapnel serious wear is caused, service life is short there are strong alternation friction all the time between vibration damping cap lug and shrapnel.
Application No. ZL201520039978.9 patents of the prior art are improved for the damper of above technology,
Formed in mounting base chamber and suppress structure for the resonance of vibration isolator, solve the damping of Application No. CN03131862.2 patents
Device problem, but its complicated integral structure, installation requirement are high.Application No. CN201611056591.X patent pin both the above at the same time
Technology proposes a kind of resonance free peak vibration isolator and its damping module, it is improved mainly for damper, wear-resisting using two
Damper made of elastic rubber material suppresses resonance, decay impact, efficiently solves both the above patent damper structure
Complexity, it is difficult to install the problem of；But in actual use, the vibration isolator under low frequency impact incentive action environment, its
Damping effect is limited；At the same time under the high temperature conditions, rubber easily deforms destruction, and vibration isolator is caused to damage.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of modified resonance free simple in structure, reducing spring pad wear
Peak vibration isolator, it also has the advantages that shock insulation good buffer effect, service life are longer.
A kind of modified resonance free peak vibration isolator, including main spring Damping modules, shrapnel damping buffering module, installation connection
Module；Shrapnel damping module includes shrapnel component and main spring set, and main spring covers one end and is installed on inside installation link block, separately
Installation link block is stretched out in one end；The lower part of main spring set is equipped with the boss of an annular, and at least two groups of shrapnel components are set respectively
In the upper and lower of boss, each group of shrapnel component is symmetrically mounted at the outside of main spring set, shrapnel component one end and boss phase
Connect, the shrapnel component other end and installation link block connect；Main spring Damping modules are through main spring set, main spring vibration damping mould
Block one end is installed in installation link block, and the other end stretches out main spring set.
As a preferred embodiment, shrapnel component includes spring leaf, cushion cover and snap ring, the end of spring leaf is embedded in cushion cover, card
Ring set is in the outside of spring leaf spring leaf is clamped between snap ring and cushion cover.
As a preferred embodiment, the both ends of spring leaf are in " L " shape, in the horizontal segment insertion cushion cover of " L " shape, " L " shape it is vertical
Section is clamped by cushion cover and snap ring；The middle part of spring leaf has the radian of convex.
As a preferred embodiment, installation link block includes bottom plate, base and upper end cover, base thread is connected under base
End, upper end cover are threadedly connected to the top of base.
As a preferred embodiment, shrapnel component is two groups, two groups of shrapnel components are symmetrically arranged on the upper of the boss of main spring set
Lower both sides；Connect above the boss that cushion cover and the top of upper end cover and main spring above the boss of main spring set cover, main bullet
Connect below the boss that cushion cover and bottom plate and main spring below the boss of spring set cover.
As a preferred embodiment, main spring Damping modules include main spring, adjusting nut, adjusting bolt and hex nut, it is main
Spring pocket is sleeved on adjusting nut, and the both ends of main spring are respectively fitted on adjusting nut and installation link block, adjusting bolt with
Adjusting nut is threadedly coupled, and hex nut is installed in adjusting bolt.
The principle of the utility model：Between the boss for suppressing the lower part that damping force needed for resonance is covered by shrapnel component and main spring
Normal pressure produce, the spring leaf quantity of shrapnel component makes choice according to actual bearer amount, and bearing capacity is bigger, shrapnel component
Spring leaf quantity is more.Upper end cover is screwed in vertical direction, the boss that shrapnel component and main spring cover further is compressed, so that
Increase the normal pressure between upper end cover and shrapnel component, and then increase damping force；Upper end cover is unscrewed, damping force reduces.In level
On direction, the frictional force between upper end cover, bottom plate and cushion cover determines the size of horizontal damping power, screws upper end cover, so as to increase
Big horizontal damping force；Upper end cover is unscrewed, so as to reduce horizontal damping power.
When resisting impact force, the impact force and impact energy that impact generation are undertaken by shrapnel component.Shrapnel component and master
The contact of the lower boss of spring pocket, the spring leaf protruded laterally produce plastic deformation so as to effectively obtain impact resistance,
It is effectively protected the adverse effect that main spring is not hit.
The advantages of the utility model：Connected using the shrapnel component and main spring set of upper and lower both sides, avoid main spring set
Lower part boss and spring leaf between directly strong alternation friction, in resistance impact and resonance, mainly by shrapnel component
Deformation and main spring the set contact with shrapnel component undertake, and are effectively protected the adverse effect that main spring is not hit；And
And the symmetrical shrapnel component set in upper and lower both sides, interval damping action can be played, is reduced each independent in a pair of of shrapnel component
Shrapnel component frequency of use, so as to extend the service life of shrapnel component, so that vibration isolator is more robust；This practicality is new
Shrapnel component in type forms consistent with specification, possesses good versatility, each shrapnel component and comprising the equal energy of parts
It is general therefore simple in structure, interchangeability is good, processing be easier, it is more cost-effective；The shrapnel component of the utility model includes spring
Piece, cushion cover and snap ring, by the way that the end of spring leaf is embedded in cushion cover, then snap ring are entangled on the outside of cushion cover, so that by bullet
Reed is clamped in cushion cover and snap ring so that the installation of shrapnel component is stablized, reliable operation, and use is more longlasting；The utility model
After spring leaf installation, the middle part convex of spring leaf, therefore when resisting impact, the deformation bigger of generation, deformation restorability
More preferably, adverse effect caused by impact can preferably be resisted.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Wherein, 1 is bottom plate, and 2 be snap ring, and 3 be base, and 4 be spring leaf, and 5 be cushion cover, and 6 be upper end cover, and 7 be main spring
Set, 8 be main spring, and 9 be hex nut, and 10 be adjusting bolt, and 11 be adjusting nut.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
A kind of modified resonance free peak vibration isolator, including main spring Damping modules, shrapnel damping buffering module, installation connection
Module.
Installation link block includes bottom plate, base and upper end cover, and base thread is connected to the lower end of base, upper end cover screw thread
It is connected to the top of base.The both sides of base open up minor thread hole, and vibration isolator can be fixed on by base needs machine to be mounted
On cabin or equipment；The middle part of base is cylindrical hole, and internal thread is equipped with the lower part of through hole；Set above the middle part of base
There is external screw thread.The top of bottom plate is a cylindrical boss, and the circle of lower part one of bottom plate opens up external screw thread, and bottom plate leads to the lower part of bottom plate
External screw thread is connected with the through hole at the middle part of base, so that bottom plate is installed on the centre of base.All it is open below upper end cover,
And internal thread is equipped with the lower part of upper end cover, upper end cover is threadedly coupled by the internal thread of lower section and the top of base, upper end cover
Upper end end face on offer through hole, through hole for main spring set through.Formed after bottom plate, base, upper end cover installation inside one
Space, shrapnel damping module and main spring Damping modules are installed in this inner space.
Shrapnel damping module includes shrapnel component and main spring set；Main spring set is cylindrical, and the lower part of main spring set is complete
Open, central hollow, the upper end of main spring set offer through hole, and through hole during installation main spring Damping modules for passing through；Main bullet
Spring covers one end and is installed in installation link block, and the other end (i.e. one end of main spring set opening) stretches out installation link block；It is main
The lower part of spring pocket is equipped with the boss of an annular, and at least two groups of shrapnel components are separately positioned on the boss of the lower part of main spring set
Upper and lower, each group of shrapnel component are symmetrically mounted at the outside of main spring set, and shrapnel component one end and boss connect, shrapnel
The component other end and installation link block connect；Main spring Damping modules are through main spring set, main spring Damping modules one end
It is installed in installation link block, the other end stretches out main spring set.
In the present embodiment, shrapnel component is two pairs, and two pairs of shrapnel components are symmetrically arranged on the convex of the lower part of main spring set
The upper and lower of platform.Connect above the boss that cushion cover and the top of upper end cover and main spring above the boss of main spring set cover,
Connect below the boss that cushion cover and bottom plate and main spring below the boss of main spring set cover.Can basis when actually using
Using and installation scenario, select the spring leaf quantity in suitable shrapnel component according to demand, and shrapnel component is equably set
Put around main spring set, so that in shock insulation and buffering, shrapnel component stress is more uniform.
Shrapnel component includes spring leaf, cushion cover and snap ring.Cushion cover after installation respectively the inner surface with the top of upper end cover,
The above and below of the boss of bottom plate and main spring set connects, and the position of cushion cover is corresponding with the cushion cover on boss respectively.Spring leaf
Both ends are in " L " shape, and the horizontal segment of " L " shape is embedded in cushion cover, and the vertical section of " L " shape is clamped by cushion cover and snap ring；In spring leaf
Portion has the radian of convex.In the end insertion cushion cover of spring leaf, snap ring is sleeved on the outside of spring leaf so that spring leaf to be clamped
Between snap ring and cushion cover.
Main spring Damping modules include main spring, adjusting nut, adjusting bolt and hex nut, and main spring is sleeved on adjusting spiral shell
On mother, the both ends of main spring are respectively fitted on the boss on the top of adjusting nut and bottom plate, adjusting bolt and adjusting nut screw thread
Connection, hex nut are installed in adjusting bolt.
During actual installation, the assembling of shrapnel group part is first carried out, the end at the both ends of spring leaf is respectively embedded into cushion cover, then
The both ends of spring leaf are entangled by snap ring from the outside of spring leaf, so as to clamping spring leaf between cushion cover and snap ring, are completed
The assembling of shrapnel component.And then secure a base plate on base, and one end of main spring is sleeved on bottom plate, main spring
Other end installation and adjustment nut；Main spring set is sleeved on adjusting nut and main spring again, then adjusting bolt is passed through into master
Spring pocket is simultaneously screwed into adjusting nut, then hex bolts is screwed into adjusting bolt.Next, two groups of shrapnel components are pacified respectively
Mounted in the upper and lower both sides of the boss of the lower part of main spring set, and upper and lower two groups of shrapnel components keep symmetrical, and are kept for each group
Shrapnel component is symmetricly set on the outside of main spring；Finally, upper end cover is installed on to the top of base；Tighten or unscrew upper end
Lid, so as to adjust the compression degree of the shrapnel component of vibration isolator, also have adjusted size to adapt to installation dimension, have adjusted vibration isolator
Shock insulation, cushion performance.After tightening upper end cover, uppermost cushion cover and snap ring are withstood by upper end cover, so that shrapnel group
Part is installed in vibration isolator, and the shrapnel component after installation could withstand forces and vibrate, and then vibration isolator is played buffering and shock insulation
Effect.
Above-described embodiment is the preferable embodiment of utility model, but the embodiment of the utility model and from above-mentioned reality
Apply the limitation of example, the change made under other any Spirit Essences and principle without departing from the utility model, modification, replacement,
Combination, simplify, and should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (6)
- A kind of 1. modified resonance free peak vibration isolator, it is characterised in that：Including main spring Damping modules, shrapnel damping buffering mould Block, installation link block；Shrapnel damping module includes shrapnel component and main spring set, and main spring covers one end and is installed on installation connection Inside modules, the other end stretch out installation link block；The lower part of main spring set is equipped with the boss of an annular, at least two groups of shrapnel groups Part is separately positioned on the upper and lower of boss, and each group of shrapnel component is symmetrically mounted at the outside of main spring set, shrapnel component one End and boss connect, and the shrapnel component other end and installation link block connect；Main spring Damping modules are main through main spring set Spring damping module one end is installed in installation link block, and the other end stretches out main spring set.
- A kind of 2. modified resonance free peak vibration isolator according to claim 1, it is characterised in that：Shrapnel component includes spring Piece, cushion cover and snap ring, in the end insertion cushion cover of spring leaf, snap ring is sleeved on the outside of spring leaf so that spring leaf is clamped in snap ring Between cushion cover.
- A kind of 3. modified resonance free peak vibration isolator according to claim 2, it is characterised in that：The both ends of spring leaf are in " L " Shape, the horizontal segment of " L " shape are embedded in cushion cover, and the vertical section of " L " shape is clamped by cushion cover and snap ring；The middle part of spring leaf has outside Convex radian.
- A kind of 4. modified resonance free peak vibration isolator according to claim 1 or claim 2, it is characterised in that：Link block bag is installed Bottom plate, base and upper end cover are included, base thread is connected to the lower end of base, and upper end cover is threadedly connected to the top of base.
- A kind of 5. modified resonance free peak vibration isolator according to claim 4, it is characterised in that：Shrapnel component be two groups, two Group shrapnel component is symmetrically arranged on the both sides up and down of the boss of main spring set；Cushion cover and upper end cover above the boss of main spring set Top and main spring set boss above connect, main spring set boss below cushion cover and bottom plate and main spring set it is convex Connect below platform.
- A kind of 6. modified resonance free peak vibration isolator according to claim 1, it is characterised in that：Main spring Damping modules include Main spring, adjusting nut, adjusting bolt and hex nut, main spring set are sleeved on adjusting nut, and the both ends of main spring cover respectively On adjusting nut and installation link block, adjusting bolt is threadedly coupled with adjusting nut, and hex nut is installed on adjusting bolt On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239011.0U CN207278754U (en) | 2017-09-25 | 2017-09-25 | A kind of modified resonance free peak vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239011.0U CN207278754U (en) | 2017-09-25 | 2017-09-25 | A kind of modified resonance free peak vibration isolator |
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| Publication Number | Publication Date |
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| CN207278754U true CN207278754U (en) | 2018-04-27 |
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| CN201721239011.0U Active CN207278754U (en) | 2017-09-25 | 2017-09-25 | A kind of modified resonance free peak vibration isolator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701631A (en) * | 2017-09-25 | 2018-02-16 | 广东技术师范学院 | A kind of modified resonance free peak vibration isolator |
| CN110725887A (en) * | 2019-09-29 | 2020-01-24 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | Vehicle-mounted low-rigidity passive top vibration damper |
-
2017
- 2017-09-25 CN CN201721239011.0U patent/CN207278754U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701631A (en) * | 2017-09-25 | 2018-02-16 | 广东技术师范学院 | A kind of modified resonance free peak vibration isolator |
| CN110725887A (en) * | 2019-09-29 | 2020-01-24 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | Vehicle-mounted low-rigidity passive top vibration damper |
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