CN207814334U - A kind of damping shock absorber - Google Patents
A kind of damping shock absorber Download PDFInfo
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- CN207814334U CN207814334U CN201721770008.1U CN201721770008U CN207814334U CN 207814334 U CN207814334 U CN 207814334U CN 201721770008 U CN201721770008 U CN 201721770008U CN 207814334 U CN207814334 U CN 207814334U
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- Prior art keywords
- damper member
- shock absorber
- elastomeric damper
- inner ring
- outer shroud
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Abstract
The utility model provides a kind of damping shock absorber, including radially installing fixed inner ring (2), elastomeric damper member (3) and outer shroud (1) successively from inside to outside along bearing (4), elastomeric damper member (3) has the space structure deformed upon along the radial direction of bearing (4) when by outer force effect.It is radial that the damping shock absorber of the utility model is mounted on bearing (4), inner ring (2), elastomeric damper member (3) and outer shroud (1) are arranged successively from inside to outside along bearing (4), when in equipment running process, the vibration of its radial direction can be eliminated by elastomeric damper member (3), especially for the flex rotor of this supercritical state operation of flywheel accumulator, pass through the elastomeric damper member (3) in the damping shock absorber of bearing (4) radial direction, resonant frequency can not only be reduced, elastomeric damper member (3) is force-applied in radial directions and deforms, and vibration and noise can be reduced, ensure that rotor smoothly crosses resonance point, realize high-speed cruising.
Description
Technical field
The utility model is related to damper technical fields, and in particular to a kind of damping shock absorber.
Background technology
Flywheel energy storage system stores electric energy, as a kind of substitute products of chemical cell and ultracapacitor, has the longevity
The advantages that ordering small length, maintenance, high efficiency and high power.The principle of flywheel energy storage is to realize charge and discharge by motor, is relied on
The flywheel stored energy of rotation, motor pushing flywheel turns when charging, flywheel convert electrical energy into kinetic energy storage；When electric discharge
Kinetic energy is converted to electric energy and discharged by flywheel driving motor.In thermal energy storage process, flywheel energy E ∝ ρ vs2, wherein ρ is to turn
The density of sub- material, v are the size of rotor, and s is the linear velocity of rotor edge.Therefore, the speed of rotor and rotor in motor
Size determines the energy of flywheel storage, and for flywheel accumulator, the size and speed of rotor determine that it stores energy
Amount number.
But for the angle of machine vibration, rotor size is big and its speed height is conflicting：Spinner velocity gets over Gao Yi
It is bigger that taste the energy that its unit volume or weight are carried, and removes resonant speed, spinner velocity is higher, and same amount of unbalance is led
The vibration of cause is bigger, and same rotating speed, rotor volume are bigger, and amount of unbalance is bigger, and the vibration of machine is also bigger.In addition, high
Rotating speed generally refers to rotor and realizes that rotating speed is more than single order critical speed, and rotor can be known as flex rotor, and rotor crosses critical speed
Degree carries out overcritical operation.But rotor, in critical speed, the vibration frequency of rotor and the intrinsic frequency of system are equal, at this time
The vibration of rotor is maximum, can lead to rotor unstability or damage whole system in many cases, therefore, process is used in motor
In, it can generally take corresponding vibration control measure to reduce system vibration.
Currently used vibration control measure be exactly give running device installation damping shock absorber, by consume vibrational energy come
Reduce rotor or system vibration.Traditional damping shock absorber includes rubber absorbers, spring damper, solid friction damping
Device, oil film squeeze damper and electromagnetic damping damper.All kinds of damper operation principles are essentially identical, in general environment condition
Under can meet vibration damping demand.But the flexibility of this overcritical operation in high-speed electric expreess locomotive, especially flywheel accumulator is turned
Son, there are some disadvantages for traditional damping shock absorber：First, common damper is mainly to vibration source into line frequency vibration damping, and for
The main low order resonant frequency of flywheel accumulator, especially flex rotor itself, the effectiveness in vibration suppression unobvious of common damper；Its
Secondary, High Speed Flexible Rotor vibration frequency domain is wider, and conventional damper damper can not play the role of the response of high frequency standing wave good；Separately
Outside, the service life of flywheel accumulator is generally at 20 years or so, and there are physics aging phenomenon, Wu Faman for traditional damping shock absorber
This requirement of foot；In addition, the rotor of flywheel accumulator is to run under vacuum conditions, and general damping damper is in vacuum environment
In heat dissipation effect and not good enough.
In order to solve the above-mentioned technical problem, Chinese patent literature CN203548696U discloses a kind of damping shock absorber, packet
Include a pair of of shock ring, axis hole be equipped on the shock ring, be equipped with boss at the axis hole of shock ring, one of shock ring it is convex
Platform is equipped with axle sleeve, another shock ring is set on axle sleeve.In use, passing through the tune to shock ring logarithm and big ting model
It is whole, it can be by the axial vibration of machine components mounted on bearings and noise abatement in a certain range, but in the patent
In document, upper cover body, damping washer and lower cover are the axial arrangings along shock ring successively, are run in this way in mechanical equipment
The flexible deformation of Cheng Zhong, damping washer occur mainly in axial direction, therefore are also to be happened at shock ring to the attenuation of vibration
Axial direction on, and effective cushioning effect can not be played for the diametrical vibration damper of mechanical equipment.
Utility model content
In view of this, the utility model provides a kind of damping shock absorber, to solve existing damping shock absorber to flywheel
The unconspicuous problem of radial vibration damping effect of rotor in accumulator.
For this purpose, the utility model provides following technical solution：
The utility model provides a kind of damping shock absorber, including：It is radially installed successively from inside to outside along bearing fixed
There is the radial direction along the bearing when by outer force effect to occur for inner ring, elastomeric damper member and outer shroud, the elastomeric damper member
The space structure of deformation.
Optionally, an end of the inner ring and outer rings be respectively provided with extend towards the elastomeric damper member it is first curved
Folding part and the second bending part, and gap is reserved between first bending part and the second bending part, the elastomeric damper member is set
In the accommodating space that the inner ring, outer shroud, the first bending part and the second bending part are formed.
Optionally, if being arranged at intervals on the side wall of the inner ring and/or the outer shroud towards the elastomeric damper member
Dry for preventing the protrusion that the inner ring, outer shroud and the elastomeric damper member mutually move.
Optionally, on the damping shock absorber and the mounting surface of fixed plate, the elastomeric damper member is higher than the inner ring
With the plane where another end of outer shroud.
Optionally, the elastomeric damper member is the space net structure that wire is wound.
Optionally, the inner ring and outer rings are metal material.
Technical solutions of the utility model have the following advantages that：
1. the utility model provides a kind of damping shock absorber, wherein the damping shock absorber includes radial by introversion along bearing
Outer to install fixed inner ring, elastomeric damper member and outer shroud successively, elastomeric damper member has when by outer force effect along bearing
The space structure radially deformed upon.The damping shock absorber is mounted on bearing radial direction, and inner ring, elastomeric damper member and outer shroud are along bearing
Radial to arrange successively from inside to outside, in equipment running process, the vibration of radial direction can be eliminated by elastomeric damper member,
Especially for the flex rotor of this supercritical state operation of flywheel accumulator, in the damping shock absorber by bearing radial direction
Elastomeric damper member can not only reduce resonant frequency, and elastomeric damper member is force-applied in radial directions and deforms, and can
To reduce vibration and noise, ensures that rotor smoothly crosses resonance point, realize high-speed cruising.
2. the utility model provides a kind of damping shock absorber, an end of inner ring and outer rings is respectively provided with towards bullet
Property shock absorber part the first bending part and the second bending part that extend, and gap is reserved between the first bending part and the second bending part,
Elastomeric damper member is placed in the accommodating space that inner ring, outer shroud, the first bending part and the second bending part are formed.Elastomeric damper member is in diameter
In addition to elastic deformation radially corresponding elongation strain can also occur in the axial direction for upward stress, and inner ring, outer shroud, first
The accommodating space that bending part and the second bending part are formed, not only enables elastomeric damper member to be securely placed in wherein, will not
With inner and outer ring occur compared with big shearing, due also between the first bending part and the second bending part gap setting so that elasticity subtracts
Shake part has certain deformation space in the axial direction.
3. the utility model provides a kind of damping shock absorber, in its inner ring and/or outer shroud towards the side of elastomeric damper member
Several protrusions for preventing inner ring, outer shroud and elastomeric damper member from mutually moving are arranged at intervals on wall.Such protrusion cloth
Set mode so that elastomeric damper member will not be slided in use relative to inner ring and outer rings.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the vertical view one according to the damping shock absorber of the utility model embodiment；
Fig. 2 is the side view according to the damping shock absorber of the utility model embodiment；
Fig. 3 is the vertical view two according to the damping shock absorber of the utility model embodiment；
Reference numeral：1- outer shrouds, 2- inner ring, 3- elastomeric damper members, 4- bearings, the gaps 5-, 6- fixed plates, 7- bearing blocks,
8- protrusions, the second bending parts of 11-, the first bending parts of 21-.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can also be the connection inside two elements, can be wirelessly connected, can also be wired connection.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
Provide a kind of damping shock absorber in the present embodiment, as shown in Figure 1, the damping shock absorber include along bearing 4 by
Fixed inner ring 2, elastomeric damper member 3 and outer shroud 1 are installed successively from inside to outside, elastomeric damper member 3 has when by outer force effect
The space structure deformed upon along the radial direction of bearing 4.Specifically, bearing 4 in the radial direction, installation is solid successively from the inside to the outside
Determine inner ring 2, elastomeric damper member 3 and outer shroud 1, in equipment running process, the force-applied generation in radial directions of elastomeric damper member 3
Deformation can eliminate the vibration and noise of equipment radial direction generation, especially for this supercritical state of flywheel accumulator
The flex rotor of operation is generated when by outer force effect by the elastomeric damper member 3 in the radial damping shock absorber of bearing 4
Deformation, the low order resonant frequency of rotor can be reduced, to make maximum vibration frequency generate when the rotating speed of rotor is relatively low, keep away
The phenomenon that having exempted from when the vibration frequency of rotor is generated in rotor higher rotation speed, being easy to cause equipment damage occurs, and solves existing
Radial vibration damping effect unconspicuous problem of some damping shock absorbers to rotor in flywheel accumulator.
One end of inner ring 2 and outer shroud 1 in above-mentioned specific implementation mode, which is respectively provided with towards elastomeric damper member 3, to be extended
The first bending part 21 and the second bending part 11, as shown in Fig. 2, the first bending part 21 and the second bending part 11 are oppositely arranged,
Gap 5 is reserved between one bending part 21 and the second bending part 11, elastomeric damper member 3 is placed in inner ring 2, outer shroud 1, the first bending part
21 and second bending part 11 formed accommodating space in.On the one hand, the direction that inner ring 2 and outer shroud 1 extend towards elastomeric damper member 3
On be formed with the first bending part 21 and the second bending part 11, be reserved with gap 5 between the two, ensure that elastomeric damper member 3 in diameter
Certain deformation can be generated while stress in the axial direction on direction, keep its damping effect more preferable；It on the other hand, will be elastic
Shock absorber part 3 is placed in the accommodating space that inner ring 2, outer shroud 1, the first bending part 21 and the second bending part 11 are formed, and can make elasticity
Shock absorber part 3 is more solidly fixed between inner ring 2 and outer shroud 1, is avoided in equipment running process, since vibration makes elastic shock attenuation
There is a phenomenon where misplace to occur between part 3 and inner ring 2 and outer shroud 1.
For preferably fixed elastomeric damper member 3, as shown in figure 3, in inner ring 2 and outer shroud 1 towards the side of elastomeric damper member 3
Several protrusions 8 for preventing inner ring 2, outer shroud 1 and elastomeric damper member 3 from mutually moving are arranged at intervals on wall.Specifically, exist
Towards setting protrusion 8 on the wall of elastomeric damper member 3, protrusion 8 can be integrally machined into inner ring 2 or outer shroud 1 for inner ring 2 and outer shroud 1
Type can also be again welded on after independent machine-shaping on the side wall of inner ring 2 and outer shroud 1；Protrusion 8 in inner ring 2 and outer shroud 1 is mutual
It is interspersed, to increase the contact area with elastomeric damper member 3 as possible, protrusion 8 is caught in elastomeric damper member 3, ensures in equipment
In During Process of Long-term Operation, slide displacement will not occur between elastomeric damper member 3 and inner ring 2, outer shroud 1, to ensure the steady of equipment
The damping effect of fixed operation and elastomeric damper member 3.
Damping shock absorber in above-mentioned specific implementation mode, on damping shock absorber and the mounting surface of fixed plate 6, elasticity subtracts
Part 3 is shaken higher than the face where another end of inner ring 2 and outer shroud 1, is generally higher by 0.3mm to 0.5mm, in actual installation,
Such as the rotor disk both sides of flywheel accumulator are fitted with bearing 4 and fixed plate 6, then all installation dampings subtract on two bearings 4
Device is shaken, and damping shock absorber is fixed in bearing block 7, bearing block 7 is fixed by bolt and fixed plate 6.The mesh installed in this way
, when ensureing equipment operation, the power of axial direction is mainly born by elastomeric damper member 3, and inner ring 2 and outer shroud 1 be not direct and solid
Fixed board 6 contacts, and reduces the stress on its axial direction, and elastomeric damper member 3 can deform, to avoid damping shock absorber
It is being damaged when used for a long time.
Damping shock absorber in above-mentioned specific implementation mode, elastomeric damper member 3 are the space networks that wire is wound
Shape structure, specifically, a certain amount of wire is by braiding, winding, and between inner ring 2 and outer shroud 1, formation interlocks extrusion forming
The space net structure linked, on the one hand, the elasticity of metal mesh shaped structure is much larger than rigid metallic object, by energy when external force
Enough deformations are enough generated, the mutual friction between wire can effectively consume vibrational energy, to reduce vibration；Another party
Physically aged phenomenon will not occur with the extension of usage time in face, the elastomeric damper member 3 that wire is formed；In another aspect,
Since elastomeric damper member 3 is made of metal material, the heat dissipation effect of flywheel accumulator under vacuum environment can be effectively improved.
Damping shock absorber in above-mentioned specific implementation mode, inner ring 2 and outer shroud 1 are metal material, such as stainless steel
Deng inner ring 2 and outer shroud 1 made of metal material can protect elastomeric damper member 3, on the other hand can also improve its heat dissipation effect
There is physically aged phenomenon after avoiding damping shock absorber from being used for a long time in fruit.
As a kind of alternative embodiment, only interval setting is several on the side wall in inner ring 2 towards elastomeric damper member 3
A protrusion 8 for preventing inner ring 2 and elastomeric damper member 3 from mutually moving can also reach elastomeric damper member 3 is avoided to generate in this way
The purpose of sliding.
As another alternative embodiment, if being only spaced setting on the side wall in outer shroud 1 towards elastomeric damper member 3
Dry, for preventing the protrusion 8 that outer shroud 1 and elastomeric damper member 3 mutually move, can also reach elastomeric damper member 3 is avoided to produce in this way
The purpose of raw sliding.
Embodiment 2
A kind of method of manufacture damping shock absorber is provided in the present embodiment, specially：By metal material processing in
Between allow the double tubular structure that passes through of bearing 4, the centre of double tubular structure to be the accommodating space of elastomeric damper member 3, house
The size in space is determined according to bearing size, is subject to and is determined bearing installation requirement.Then in inner ring 2 and outer shroud 1 towards elasticity
Several are arranged for preventing the protrusion 8 that inner ring 2, outer shroud 1 and elastomeric damper member 3 mutually move in interval on the side wall of shock absorber part 3.
And in another horizontal end face setting opening of the double tubular structure, which is the installation import of elastomeric damper member 3.Again will
The elastomeric damper member 3 weave, wound is squeezed from the accommodating space that opening is fitted into double tubular structure.Then by two layered cylinder
Annular groove is opened up on one horizontal end face of shape structure, i.e., is detached inner ring 2 with outer shroud 1, and ensure the gap among the two.Most
Afterwards according to the plane of fixed plate, the end face of inner ring 2 and outer shroud 1 is processed, keeps one end that elastomeric damper member 3 is contacted with fixed plate 6 high
Go out the opening of double tubular structure.
When installing damping shock absorber and bearing 4, needed first by inner ring 2, elastomeric damper member 3 and outer shroud 1 along 4 diameter of bearing
To the outside for being fixed on bearing 4 successively from inside to outside, then according to bearing block 7 and fixed plate 6, elastomeric damper member 3 has
The space structure deformed upon along the radial direction of bearing 4 when by outer force effect.This kind of manufacturing method of damping shock absorber makes
Process is simple, by installing fixed inner ring 2, elastomeric damper member 3 and outer shroud 1, Neng Gouyou successively from inside to outside by bearing 4 is radial
The vibration that effect eliminates flywheel accumulator and other equipment radially generates during the motion, to achieve the purpose that protect equipment,
And using damping shock absorber, good heat dissipation effect made of metal material processing, and will not occur with the increase of use time
Physically aged phenomenon.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (6)
1. a kind of damping shock absorber, which is characterized in that including：
Fixed inner ring (2), elastomeric damper member (3) and outer shroud (1), the bullet are radially installed successively from inside to outside along bearing (4)
Property shock absorber part (3) there is the space structure that is deformed upon along the radial direction of the bearing (4) when by outer force effect.
2. damping shock absorber according to claim 1, which is characterized in that an end of the inner ring (2) and outer shroud (1)
It is respectively provided with the first bending part (21) extended towards the elastomeric damper member (3) and the second bending part (11), and described first
Be reserved with gap (5) between bending part (21) and the second bending part (11), the elastomeric damper member (3) be placed in the inner ring (2),
In the accommodating space that outer shroud (1), the first bending part (21) and the second bending part (11) are formed.
3. damping shock absorber according to claim 1, which is characterized in that in the inner ring (2) and/or the outer shroud (1)
Several are arranged at intervals on towards the side wall of the elastomeric damper member (3) for preventing the inner ring (2), outer shroud (1) and institute
State the protrusion (8) that elastomeric damper member (3) mutually moves.
4. damping shock absorber according to claim 1, which is characterized in that in the damping shock absorber and fixed plate (6)
On mounting surface, the elastomeric damper member (3) is higher than the plane where another end of the inner ring (2) and outer shroud (1).
5. damping shock absorber according to claim 1, which is characterized in that the elastomeric damper member (3) winds for wire
The space net structure of formation.
6. damping shock absorber according to claim 1, which is characterized in that the inner ring (2) and outer shroud (1) are metal material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721770008.1U CN207814334U (en) | 2017-12-18 | 2017-12-18 | A kind of damping shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721770008.1U CN207814334U (en) | 2017-12-18 | 2017-12-18 | A kind of damping shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814334U true CN207814334U (en) | 2018-09-04 |
Family
ID=63332256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721770008.1U Active CN207814334U (en) | 2017-12-18 | 2017-12-18 | A kind of damping shock absorber |
Country Status (1)
| Country | Link |
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| CN (1) | CN207814334U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150605A (en) * | 2017-12-18 | 2018-06-12 | 北京大块科技有限公司 | A kind of damping shock absorber and its manufacturing method |
| CN112848834A (en) * | 2021-03-13 | 2021-05-28 | 烟台辰宇汽车部件有限公司 | Thrust rod assembly of u-shaped rod head |
| CN113489187A (en) * | 2021-07-08 | 2021-10-08 | 珠海格力电器股份有限公司 | Vibration reduction rotor and motor with same |
-
2017
- 2017-12-18 CN CN201721770008.1U patent/CN207814334U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150605A (en) * | 2017-12-18 | 2018-06-12 | 北京大块科技有限公司 | A kind of damping shock absorber and its manufacturing method |
| CN112848834A (en) * | 2021-03-13 | 2021-05-28 | 烟台辰宇汽车部件有限公司 | Thrust rod assembly of u-shaped rod head |
| CN113489187A (en) * | 2021-07-08 | 2021-10-08 | 珠海格力电器股份有限公司 | Vibration reduction rotor and motor with same |
| CN113489187B (en) * | 2021-07-08 | 2022-09-02 | 珠海格力电器股份有限公司 | Vibration reduction rotor and motor with same |
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Effective date of registration: 20190521 Address after: 618000 Dadu River Road, High-tech Industrial Park, Jingyang District, Deyang City, Sichuan Province Patentee after: Dual Deyang Energy Storage Technology Co., Ltd. Address before: Room 201, 2nd Floor, Building 8, Dongguan 3, Lugouqiao, Fengtai District, Beijing 100054 Patentee before: Beijing big block Technology Co., Ltd. |