CN206000919U - A kind of adjustable spring assembly of rigidity - Google Patents
A kind of adjustable spring assembly of rigidity Download PDFInfo
- Publication number
- CN206000919U CN206000919U CN201620960597.9U CN201620960597U CN206000919U CN 206000919 U CN206000919 U CN 206000919U CN 201620960597 U CN201620960597 U CN 201620960597U CN 206000919 U CN206000919 U CN 206000919U
- Authority
- CN
- China
- Prior art keywords
- link rod
- extension spring
- locating piece
- spring assembly
- fixing device
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Springs (AREA)
Abstract
The utility model discloses a kind of adjustable spring assembly of rigidity, including link rod and the extension spring of multiple different-stiffness, the two ends of the extension spring are provided with fixing device, multiple extension springs are arranged in parallel, and the two ends of the extension spring are connected with the link rod by the fixing device, two link rods positioned at the extension spring two ends be arranged in parallel, are provided with positioner between the fixing device and the link rod.A kind of adjustable spring assembly of rigidity of the utility model devises the spring assembly using steel extension spring for main body, and which is made up of multiple steel extension springs in parallel and positioning, fixation, installing component.Due to can be adjustable using the spring of different-stiffness and number of springs, therefore large range of stiffness tuning be can achieve, while extension spring is connected with link rod dismounting by fixing device and positioner, easy for installation, fast.
Description
Technical field
The utility model is related to the adjustable spring component needed for a kind of excitation vibration test, more particularly to a kind of firm
Spend adjustable spring assembly.
Background technology
In excitation vibration test, needing to hang up testpieces by flexible suspension system carries out correlative measurement
Examination/test, and the rigidity of flexible suspension system needs to meet the Integral modes frequency requirement of hanging test part.Spring assembly is soft
Property suspension key component, as the characteristic such as quality of testpieces varies, the also each not phase of the requirement to model frequency
Same, test period and experimentation cost can be dramatically increased for the brand-new spring assembly of different application scenario designs.It is thus desirable to
The spring assembly that a kind of rigidity conveniently can be adjusted is designed, and the rigidity adjustable extent of the spring assembly should be sufficiently wide, to meet
Different tests part is required.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of rigidity adjustable spring assembly.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of adjustable spring assembly of rigidity, including link rod and the extension spring of multiple different-stiffness, the extension spring
Two ends be provided with fixing device, multiple extension springs are arranged in parallel, and the two ends of the extension spring are by described solid
Determine device to be connected with the link rod, two link rods positioned at the extension spring two ends be arranged in parallel, the fixing device
Positioner is provided between the link rod.
The spring of several different-stiffness can be customized, with true according to the suspension stiffness scope that may be needed in practical application
Protect final composite rigidity and meet requirement.
Further, the spring assembly also includes two supports, and the connection end of the support is provided with is fitted with the link rod
The through hole that joins, the link rod are connected through the through hole with the support.
Specifically, the fixing device is shackle, and the shackle is formed in one with the extension spring, described fixed
Position device includes to be provided with and institute in the first locating piece and the second locating piece, first locating piece and second locating piece
The through hole of link rod adaptation is stated, the shackle is fixed between the first locating piece and second locating piece, multiple positioning dresses
Put successively and be sleeved on the link rod, the two ends of the link rod are provided with external screw thread, and the two ends of the link rod are connected with for limiting
Nut that is making the positioner and being adapted to the external screw thread.
Preferably, ladder boss is provided with first locating piece, be provided with and the rank on second locating piece
The step groove of terraced boss adaptation, the height of the ladder projection are equal to the depth of the step groove and the thickness of the shackle
Sum, the diameter of the ladder boss are equal to the internal diameter of the shackle.
Spring for alloing different-stiffness is simultaneously attached on component, under free state, multiple extension springs
Shackle is all equal with the distance at the center of the extension spring.
The beneficial effects of the utility model are：
A kind of adjustable spring assembly of rigidity of the utility model devises the groups of springs using steel extension spring for main body
Part, its are made up of multiple steel extension springs in parallel and positioning, fixation, installing component.As different-stiffness can be adopted
Spring and number of springs adjustable, therefore can achieve large range of stiffness tuning, at the same extension spring by fixing device and
Positioner is connected with link rod dismounting, easy for installation, fast.
Description of the drawings
Fig. 1 is a kind of structural representation of the adjustable spring assembly of rigidity described in the utility model；
Fig. 2 is the structural representation of extension spring described in the utility model；
Fig. 3 is the structural representation of embodiment described in the utility model two.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, the adjustable spring assembly of a kind of rigidity of the utility model, including 2, two 5 and of support of link rod
The extension spring 1 of multiple different-stiffness, the two ends of extension spring 1 are provided with fixing device, and multiple extension springs 1 are arranged in parallel,
And the two ends of extension spring 1 are connected with link rod 2 by fixing device, two link rods 2 positioned at 1 two ends of extension spring are parallel to be set
Put, positioner between fixing device and link rod 2, is provided with, the connection end of support 5 is provided with the through hole being adapted to link rod 2, connection
Bar 2 is connected through through hole with support 5, under free state, the shackle of multiple extension springs 1 11 and the center of extension spring 1 away from
From all equal.
Fixing device is shackle 11, and shackle 11 is formed in one with extension spring 1, and positioner includes the first locating piece 3
With the second locating piece 4, it is provided with, in the first locating piece 3 and the second locating piece 4, the through hole being adapted to link rod 2, shackle 11 is fixed
Between the first locating piece 3 and the second locating piece 4, multiple positioners are sleeved on link rod 2 successively, and the two ends of link rod 2 are arranged
There is an external screw thread, the two ends of link rod 2 are connected with for nut 6 that is limiting positioner and being adapted to external screw thread, the first locating piece 3
On be provided with ladder boss, be provided with the step groove being adapted to ladder boss, height of ladder projection etc. on the second locating piece 4
In the depth of step groove and the thickness sum of shackle 11, the diameter of ladder boss is equal to the internal diameter of shackle 11.
A kind of operation principle of the adjustable spring assembly of rigidity of the utility model is as follows：
Embodiment one
Two link rods 2 are set in parallel, and multiple extension springs 1 are set up in parallel, and the shackle 11 at 1 two ends of extension spring and set
It is mounted on the ladder boss on the first locating piece 3, then the ladder boss of just the first locating piece 3 is inserted into the second locating piece 4
Step groove in, then positioner is sleeved on link rod 2 successively, and support 5 is also sleeved on link rod 2, while
The application point for ensureing support 5 is needed to be located at the midpoint of the active force of the multiple extension springs 1 being connected with link rod 2, so as to by control
The quantity of extension spring processed 1 can adjust the rigidity of spring assembly with rigidity.
Embodiment two
In some cases, only one group extension spring 1 that is parallel and being arranged in parallel cannot meet the demand of experiment, therefore
The quantity of link rod 2 can be expanded to four, then add one group of extension spring 1 being arranged in parallel again, and make two groups of extension springs 1
Parallel, as shown in figure 3, then can more accurately adjust the rigidity of spring assembly；
Other, while three groups, four groups and more can be expanded to extension spring 1.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, every according to skill of the present utility model
The technology deformation that art scheme is made, each falls within protection domain of the present utility model.
Claims (5)
1. the adjustable spring assembly of a kind of rigidity, it is characterised in that：Including link rod and the extension spring of multiple different-stiffness, described
The two ends of extension spring are provided with fixing device, and multiple extension springs are arranged in parallel, and the two ends of the extension spring lead to
Cross the fixing device to be connected with the link rod, two link rods positioned at the extension spring two ends be arranged in parallel, described
Positioner is provided between fixing device and the link rod.
2. the adjustable spring assembly of a kind of rigidity according to claim 1, it is characterised in that：Also include two supports, institute
The connection end for stating support is provided with the through hole being adapted to the link rod, and the link rod is connected through the through hole with the support.
3. the adjustable spring assembly of a kind of rigidity according to claim 1, it is characterised in that：The fixing device is
Shackle, the shackle are formed in one with the extension spring, and the positioner includes the first locating piece and the second locating piece,
It is provided with, in first locating piece and second locating piece, the through hole being adapted to the link rod, the shackle is fixed on
Between a positioning block and second locating piece, multiple positioners are sleeved on the link rod successively, the link rod
Two ends are provided with external screw thread, and the two ends of the link rod are connected with for limiting the positioner and be adapted to the external screw thread
Nut.
4. the adjustable spring assembly of a kind of rigidity according to claim 3, it is characterised in that：Set on first locating piece
Ladder boss is equipped with, on second locating piece, is provided with the step groove being adapted to the ladder boss, the ladder projection
Height be equal to the thickness sum of the depth of the step groove and the shackle, the diameter of the ladder boss is equal to the hook
The internal diameter of ring.
5. the adjustable spring assembly of a kind of rigidity according to claim 3, it is characterised in that：Under free state, Duo Gesuo
The shackle for stating extension spring is all equal with the distance at the center of the extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960597.9U CN206000919U (en) | 2016-08-26 | 2016-08-26 | A kind of adjustable spring assembly of rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960597.9U CN206000919U (en) | 2016-08-26 | 2016-08-26 | A kind of adjustable spring assembly of rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206000919U true CN206000919U (en) | 2017-03-08 |
Family
ID=58197608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620960597.9U Expired - Fee Related CN206000919U (en) | 2016-08-26 | 2016-08-26 | A kind of adjustable spring assembly of rigidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206000919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090094A (en) * | 2016-08-26 | 2016-11-09 | 中国工程物理研究院总体工程研究所 | A kind of adjustable spring assembly of rigidity |
| CN106151335A (en) * | 2015-04-28 | 2016-11-23 | 上海交通大学 | There is the elastic stiffness tunable arrangement of regulating part |
-
2016
- 2016-08-26 CN CN201620960597.9U patent/CN206000919U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151335A (en) * | 2015-04-28 | 2016-11-23 | 上海交通大学 | There is the elastic stiffness tunable arrangement of regulating part |
| CN106090094A (en) * | 2016-08-26 | 2016-11-09 | 中国工程物理研究院总体工程研究所 | A kind of adjustable spring assembly of rigidity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20200826 |