CN106151335A - There is the elastic stiffness tunable arrangement of regulating part - Google Patents
There is the elastic stiffness tunable arrangement of regulating part Download PDFInfo
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- CN106151335A CN106151335A CN201510210581.6A CN201510210581A CN106151335A CN 106151335 A CN106151335 A CN 106151335A CN 201510210581 A CN201510210581 A CN 201510210581A CN 106151335 A CN106151335 A CN 106151335A
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- regulating part
- rotating shaft
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- helical spring
- spring
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Abstract
A kind of elastic stiffness tunable arrangement with regulating part, including: housing, the elastic component being arranged at enclosure interior, the regulating part that is flexibly connected with elastic component and housing respectively, wherein: elastic component one end is fixedly connected with the casing, regulating part realizes stiffness tuning by the effective active length changing elastic component, this regulating part is provided with rotating shaft, and this rotating shaft is positioned at that any one part of elastic component and rotating shaft is fixed or movable with regulating part or housing to be connected.The present invention can regulate rigidity neatly according to the real needs of plant equipment.
Description
Technical field
The present invention relates to the technology of a kind of mechanical structure field, specifically a kind of rigidity adjustable device, be specifically related to one
Plant and use regulating part to change effective active length of spring to regulate the device of integral, flexible rigidity.
Background technology
The rigidity of helical spring is by the modulus of rigidity of spring steel wire, spring steel silk thread footpath, mean diameter of coil and active spring coils number certainly
Fixed.For a given helical spring, the modulus of rigidity of spring steel wire, spring steel silk thread footpath and mean diameter of coil all determine that,
Effective number of effective coils of helical spring is the most, and the elastic stiffness of helical spring is the lowest, causes the pulling force/pressure of spring unit deformation quantity
The least；Otherwise, effective number of effective coils of helical spring is the fewest, and the elastic stiffness of helical spring is the highest, causes spring unit deformation
Pulling force/the pressure of amount is the biggest.Therefore the elastic stiffness of adjustable screw spring can be carried out by changing the number of active coils of helical spring.
The most many plant equipment need the elastic stiffness that helical spring output is different, but traditional helical spring has when mounted
The effect number of effective coils has determined that, it is impossible to changes effective number of effective coils neatly and carrys out the elastic stiffness of adjustable screw spring.
Through the retrieval of prior art is found, U.S. Patent number US 6,676,118, disclose the scalable of a kind of helical spring
Shell, including two housings, a rotating unit (housing) and a helical spring, by rotating rotating unit, drives
Stopping means on rotating unit, changes the effective number of effective coils of spring；But the rotating shaft in this technology is fixed therein on a housing,
And it is used for applying external force；Our rotating shaft is fixed or movable is connected to rotating unit, is only used for regulating rigidity, not by external force.This
Outward, the rotating unit of this technology is connected with one of them housing (relative displacement does not the most occur) by screw thread, during spring stress,
There is relative displacement between two housings, therefore be movable between two housings, the length change between two housings.
Chinese patent literature CN101080584 open (bulletin) day 2007.11.28, disclose a kind of Long travel, change
The cluster spring of coefficient of elasticity, including the spring of two different coefficient of elasticity, connects in the way of end-to-end, thus until piston with
The joint of the determination of intermediate flange member, low elastic coefficient spring is just compressed, and high elastic coefficient spring is compressed subsequently.Each bullet
Spring can assemble discretely, and links together with adapter, to produce cluster spring, allow variety classes spring be combined with
Meet the needs of application-specific.This technology passes through piston and the motion of flange piece, makes spring 1 and/or spring 2 become working spring,
The rigidity of whole device is spring 1 or the rigidity of spring 2, or a combination of both.This device does not change spring 1 or bullet
Effective number of effective coils of spring 2, therefore the elastic stiffness of whole device discontinuously changing.
Summary of the invention
The present invention is directed to deficiencies of the prior art, propose a kind of elastic stiffness tunable arrangement with regulating part, pass through
The effective elasticity length changing elastic component realizes elastic stiffness regulation, and user can regulate neatly according to the real needs of plant equipment
Rigidity.
The present invention is achieved by the following technical solutions:
The present invention includes: housing, the elastic component being arranged at enclosure interior, the regulating part that is flexibly connected with elastic component and housing respectively,
Wherein: elastic component one end is fixedly connected with the casing, regulating part realizes stiffness tuning by the effective active length changing elastic component.
Described regulating part is provided with rotating shaft, and any one part that this rotating shaft is positioned at elastic component and rotating shaft is solid with regulating part or housing
Determine or be flexibly connected.
Described elastic component uses at least helical spring to realize.
Described housing uses helical spring or inwall to set threaded container and realizes.
Technique effect
Compared with prior art, present invention, avoiding parts many work frictional influence big, the uppity problem of fabrication and installation error,
Significantly simplifying stiffness tuning process and time: directly rotate regulating part in the situation without rotating shaft, the situation containing rotating shaft is by turning
Dynamic rotating shaft drives regulating part, and without rotating shaft and movable rotation-shaft both of these case, the length of whole device is constant, saves operation sky
Between, in order to realize entirety miniaturization.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation；
Fig. 2 is embodiment 2 structural representation；
In figure: a is multi-form shell, b is single/two helical springs, c be closure, sliding shaft and single/
Two helical springs, d is open shell, sliding shaft and the rotating shaft left end/right-hand member through shell, and e is closure, sliding turns
Axle and rotating shaft are through the left end/right-hand member of shell, and f is open shell, two helical springs, sliding shaft and the rotating shaft left side through shell
End/right-hand member, g is closure, two helical springs, sliding shaft and the rotating shaft left end/right-hand member through shell.
Fig. 3 is embodiment 3 structural representation；
In figure: a is multi-form shell, b is single/two helical springs, c be closure, fixed rotating shaft and single/
Two helical springs, d pass/is not passed through shell for open shell, fixed rotating shaft and rotating shaft, e be closure, fixed rotating shaft and
Rotating shaft through the left end/right-hand member of shell, f be open shell, two helical springs, fixed rotating shaft and rotating shaft through shell left end/
Right-hand member, g is closure, two helical springs, fixed rotating shaft and the rotating shaft left end/right-hand member through shell.
Fig. 4 is single helical spring effect schematic diagram in embodiment 1～3；
Fig. 5 is two helical spring one end regulating effect schematic diagrams in embodiment 1～3；
Fig. 6 is two helical spring other end regulating effect schematic diagrams in embodiment 1～3；
In figure: housing 1, helical spring 2, regulating part 3,4, two helical springs that rigidity is different 201,202 of rotating shaft.
Detailed description of the invention
Elaborating embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention,
Give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As it is shown in figure 1, the present embodiment includes: a housing 1, helical spring 2 (Fig. 1 top half) or two series connection
And there is the helical spring 201 of different elastic stiffness and helical spring 202 (Fig. 1 the latter half) and a regulating part 3, wherein:
The sidewall of housing 1 has helical spring form, and it is internal that helical spring 2 is arranged at housing 1, and helical spring 2 right-hand member is fixed on housing
The right-hand member of 1, the left end of helical spring 2 is free end and does not contacts with housing 1, regulating part 3 and housing 1 and helical spring
2 occlusions.
The pitch of described helical spring 2 is identical with the pitch of housing 1, when using two spiral bullets with different elastic stiffness
When spring 202 and helical spring 201, the pitch of helical spring 202 and helical spring 201 is identical.
Helical spring between left side free end and the regulating part 3 of described helical spring 2 is the helical spring of actual participation stress,
By regulating part 3 is moved to left or moves to right, the corresponding real work number of turns reduced or increase helical spring 2.When helical spring 2
Real work number of turns when reducing, the elastic stiffness of helical spring 2 increases；When the real work number of turns of helical spring 2 increases,
The elastic stiffness of helical spring 2 reduces, and when using two helical springs with different elastic stiffness, helical spring elastic stiffness can
The scope of regulation is bigger than single helical spring.
Embodiment 2
As in figure 2 it is shown, the present embodiment includes: a housing 1, helical spring 2 (such as Fig. 2 a, Fig. 2 b top half)
Or two series connection and have the helical spring 201 of different elastic stiffnesss and helical spring 202 (such as Fig. 2 b, Fig. 2 c the latter half),
One regulating part 3 and a rotating shaft being movably set within helical spring 24, rotating shaft 4 is engaged with regulating part 3 activity.
As shown in Fig. 2 a the latter half, described housing can also be circumferential surface be airtight, the inwall of housing 1 has spiral shell
Stricture of vagina, flight pitch is identical with the pitch of helical spring 2.
Described helical spring 201 is connected with helical spring 202 and has identical pitch, has different bullet when using two
During the helical spring of property rigidity, the adjustable scope of elastic stiffness of this device will be bigger.
As shown in Fig. 2 a top half, Fig. 2 d the latter half, Fig. 2 e and Fig. 2 f, based under above two spring structure,
Described rotating shaft 4 can further pass through the left end/right-hand member of housing 1 and be engaged with regulating part 3 activity.
Described movable occlusion can realize by being provided with the spacing hole matched with regulating part 3 shape of cross section in rotating shaft 4；
Preferably, this rotating shaft 4 smooth surface, can sliding inside regulating part 3.
Structure based on above-mentioned movable occlusion, is rotated by countershaft 4, drives regulating part 3 to rotate, reduce or increase
The real work number of turns of helical spring 2, the corresponding elastic stiffness increased or reduce helical spring 2, and after regulation completes, will
Rotating shaft 4 is retained in housing 1 inside or takes out, and no matter is to take out or stay enclosure interior, and whole mechanism (includes housing and turns
Axle) length do not change.Make actual application is greatly saved working place, it is achieved elastic stiffness tunable arrangement overall dimensions
Miniaturization.
Embodiment 3
As it is shown on figure 3, the present embodiment includes: a housing 1, helical spring 2 (such as Fig. 3 a, Fig. 3 b top half)
Or two series connection and have the helical spring 201 of different elastic stiffnesss and helical spring 202 (such as Fig. 3 b, Fig. 3 c the latter half),
One regulating part 3 and a rotating shaft 4, rotating shaft 4 is fixing with regulating part 3 to be connected.
As shown in Figure 3 a, described rotating shaft 4 through housing 1 right-hand member and forms a whole with regulating part 3, and this housing 1 is also
Can be circumferential surface be airtight, the inwall of housing 1 has screw thread, and flight pitch is identical with the pitch of helical spring 2.
As shown in Fig. 3 a top half, Fig. 3 d the latter half, Fig. 3 e, Fig. 3 f and Fig. 3 g, elastic based on above two
Under part structure, described rotating shaft 4 can further pass through the left/right end of housing 1 and fixing with regulating part 3 be connected.
Being rotated by countershaft 4, drive regulating part 3 to rotate, rotating shaft 4 is left inside housing 1 together with regulating part 3
Move or move to right, reducing or increase the real work number of turns of helical spring 2, the corresponding elasticity increased or reduce helical spring 2
Rigidity.
Technique effect:
When using individual wire helical spring, steel wire modulus of rigidity is 8 × 104MPa, its length is 51.26mm, pitch
3.84mm, spring outer diameter 11.29mm, line footpath 1.24mm, number of total coils 14 encloses.
The elastic stiffness computing formula of spring is:Wherein: k is the rigidity of spring, F is bullet
Load suffered by spring, λ is spring produced deflection when F loaded, and G is the modulus of rigidity of spring material, and d is spring wire
Footpath, D is mean diameter of coil, and n is active spring coils number,
When effective number of effective coils of helical spring increases to 10 from 1, the stress deformation curve of spring is shown in Fig. 4.Spring
The excursion of elastic stiffness is 23291.0～2329.1N/m.Stiffness variation multiple is 10 times.
When the groups of springs that the helical spring that two elastic stiffnesss of employing are different is in series, the spring wire footpath of helical spring 201 is
1.24mm, a length of 25.63mm, the number of coils is 7 circles；The spring wire footpath of helical spring 202 is 0.8mm, a length of
25.63mm, the number of coils is 7 circles.Remaining parameter of spring is identical with individual wire helical spring.
The elastic stiffness computing formula of groups of springs is:
Wherein: k1、k2It it is the elastic stiffness of two helical springs.
A coarse adjustment mode on a large scale: when regulating part 3 is from helical spring 202 end, be gradually increased having of helical spring 202
The effect number of effective coils；Then regulating part and helical spring 201 are engaged, then are gradually increased effective number of effective coils of helical spring 201.
Effective number of effective coils of groups of springs from 1 increase to 10 time groups of springs stress deformation curve see Fig. 5.The elasticity of spring
The excursion of rigidity is 23291.0～687.8N/m.Groups of springs stiffness variation multiple is about 34 times.
B little scope accurate adjustment mode: when regulating part 3 is from helical spring 201 end, be gradually increased having of helical spring 201
The effect number of effective coils；Then regulating part and helical spring 202 are engaged, then are gradually increased effective number of effective coils of helical spring 202.
Effective number of effective coils of groups of springs from 1 increase to 10 time, the stress deformation curve of groups of springs is shown in Fig. 6.The bullet of spring
The excursion of property rigidity is 4023.2～687.8N/m.Groups of springs stiffness variation multiple is about 6 times.
Claims (8)
1. an elastic stiffness tunable arrangement with regulating part, it is characterised in that including: housing, be arranged at the bullet of enclosure interior
Property part, the regulating part that is flexibly connected with elastic component and housing respectively, wherein: elastic component one end is fixedly connected with the casing, regulating part leads to
The effective active length crossing change elastic component realizes stiffness tuning.
Elastic stiffness tunable arrangement the most according to claim 1, is characterized in that, described regulating part is provided with rotating shaft, should
Rotating shaft is positioned at that any one part of elastic component and rotating shaft is fixed or movable with regulating part or housing to be connected.
Elastic stiffness tunable arrangement the most according to claim 2, is characterized in that, described flexible connection is by rotating shaft
It is provided with the spacing hole matched with regulating part shape of cross section to realize.
4. according to the elastic stiffness tunable arrangement described in Claims 2 or 3, it is characterized in that, described rotating shaft smooth surface.
Elastic stiffness tunable arrangement the most according to claim 1, is characterized in that, described elastic component uses at least spiral shell
Rotation spring realizes.
The most according to claim 1 or 5, elastic stiffness tunable arrangement, is characterized in that, described elastic component uses two strings
Join and have the helical spring realization of different elastic stiffness.
Elastic stiffness tunable arrangement the most according to claim 1, is characterized in that, described housing uses helical spring or interior
Wall sets threaded container and realizes.
Elastic stiffness tunable arrangement the most according to claim 7, is characterized in that, the spacing of described screw thread and elastic component
Pitch is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210581.6A CN106151335A (en) | 2015-04-28 | 2015-04-28 | There is the elastic stiffness tunable arrangement of regulating part |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510210581.6A CN106151335A (en) | 2015-04-28 | 2015-04-28 | There is the elastic stiffness tunable arrangement of regulating part |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108527372A (en) * | 2018-06-22 | 2018-09-14 | 中国科学技术大学 | A kind of joint of robot self-adaptation control method of variation rigidity series elastic driver |
| CN110469608A (en) * | 2019-06-27 | 2019-11-19 | 湛江芸海能源科技有限公司 | A kind of adjustable springs device for oscillator system |
| CN110715007A (en) * | 2019-10-17 | 2020-01-21 | 河海大学常州校区 | Variable-turn-number shock absorber for robot moving platform |
| CN110848372A (en) * | 2019-12-13 | 2020-02-28 | 无锡钟山环境工程科技有限公司 | Stepless speed change adjustable vibration absorption device |
| US11021029B2 (en) | 2018-02-28 | 2021-06-01 | Eric Harrison | Vehicle suspension assembly and method |
| CN112902264A (en) * | 2021-03-18 | 2021-06-04 | 宁波方太厨具有限公司 | Range hood and vibration reduction control method thereof |
| CN113382201A (en) * | 2020-09-18 | 2021-09-10 | 西安科技大学 | Coal mine collection device |
| CN113710511A (en) * | 2019-04-24 | 2021-11-26 | 宁波吉利汽车研究开发有限公司 | Wheel suspension assembly |
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| CN101012858A (en) * | 2007-02-06 | 2007-08-08 | 廖增强 | Variable rigidity spring group |
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| US7025343B2 (en) * | 2004-05-19 | 2006-04-11 | Cheng-Ming Chou | Adjusting method and adjusting mechanism for remedying the coil pitch tolerance and fatigue deformation of adjustable helical spring |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11021029B2 (en) | 2018-02-28 | 2021-06-01 | Eric Harrison | Vehicle suspension assembly and method |
| US11872858B2 (en) | 2018-02-28 | 2024-01-16 | Eric Harrison | Vehicle suspension assembly and method |
| CN108527372A (en) * | 2018-06-22 | 2018-09-14 | 中国科学技术大学 | A kind of joint of robot self-adaptation control method of variation rigidity series elastic driver |
| CN113710511A (en) * | 2019-04-24 | 2021-11-26 | 宁波吉利汽车研究开发有限公司 | Wheel suspension assembly |
| CN113710511B (en) * | 2019-04-24 | 2024-05-03 | 宁波吉利汽车研究开发有限公司 | Wheel suspension assembly |
| CN110469608A (en) * | 2019-06-27 | 2019-11-19 | 湛江芸海能源科技有限公司 | A kind of adjustable springs device for oscillator system |
| CN110469608B (en) * | 2019-06-27 | 2021-04-20 | 湛江芸海能源科技有限公司 | Adjustable spring device for vibrator system |
| CN110715007A (en) * | 2019-10-17 | 2020-01-21 | 河海大学常州校区 | Variable-turn-number shock absorber for robot moving platform |
| CN110848372A (en) * | 2019-12-13 | 2020-02-28 | 无锡钟山环境工程科技有限公司 | Stepless speed change adjustable vibration absorption device |
| CN110848372B (en) * | 2019-12-13 | 2024-04-09 | 无锡钟山环境工程科技有限公司 | Vibration absorbing device with adjustable infinitely variable speed |
| CN113382201A (en) * | 2020-09-18 | 2021-09-10 | 西安科技大学 | Coal mine collection device |
| CN112902264A (en) * | 2021-03-18 | 2021-06-04 | 宁波方太厨具有限公司 | Range hood and vibration reduction control method thereof |
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Application publication date: 20161123 |
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