CN108547894A - A kind of extension spring and manufacturing method with segmentation stiffness coefficient curve - Google Patents
A kind of extension spring and manufacturing method with segmentation stiffness coefficient curve Download PDFInfo
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- CN108547894A CN108547894A CN201810608769.XA CN201810608769A CN108547894A CN 108547894 A CN108547894 A CN 108547894A CN 201810608769 A CN201810608769 A CN 201810608769A CN 108547894 A CN108547894 A CN 108547894A
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- spring
- extension spring
- cylindroid helical
- initial tension
- stiffness coefficient
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- 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
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/06—Wound springs with turns lying in cylindrical surfaces
-
- 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
- F16F2226/00—Manufacturing; Treatments
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Wire Processing (AREA)
Abstract
The invention belongs to spring technical fields, are related to a kind of extension spring and manufacturing method with segmentation stiffness coefficient curve.Cylindroid helical-coil extension spring meets Hooke's law this characteristic and has been widely used, but common cylindroid helical-coil extension spring its application characteristic is confined on a characteristic straight line, can application range it is very narrow.The technical problem to be solved by the present invention is to provide a kind of cylindroid helical-coil extension springs and its manufacturing method with segmentation stiffness coefficient, its stress-strain diagram has n segmentation, the extension spring include the Ith part, the IIth part ..., the n-th part, so that the extension spring of identical size obtains the pulling force of bigger under identical pulled out condition, and can be manufactured according to demand for control, meet wider application scenario.
Description
Technical field
The invention belongs to spring technical fields, are related to a kind of with the extension spring for being segmented stiffness coefficient curve and manufacturer
Method.
Background technology
Cylindroid helical-coil extension spring meets Hooke's law this characteristic and has been widely used, but one common
Its application characteristic of cylindroid helical-coil extension spring is confined on a characteristic straight line, can application range it is very narrow.
Invention content
The technical problem to be solved by the present invention is to provide it is a kind of have segmentation stiffness coefficient cylindroid helical-coil extension spring and its
Manufacturing method so that the extension spring of identical size obtains the pulling force of bigger under identical pulled out condition, and can be according to control
Demand processed is manufactured, and wider application scenario is met.
A kind of extension spring with segmentation stiffness coefficient curve, belongs to cylindroid helical-coil extension spring, and stress-strain is bent
There is line n segmentation, spring rate to be followed successively by K1、K2、……、Kn, K1>K2>……>Kn, initial tension is followed successively by P01、
P02、……、P0n, maximum pull Pmax, the extension spring includes having the first stiffness coefficient k1, the second stiffness coefficient
k2..., the n-th stiffness coefficient knThe Ith part, the IIth part ..., the n-th part, wherein then 1/K1=1/k1, 1/K2=1/
k1+1/k2... ..., 1/Kn=1/k1+1/k2+……+1/kn, it is P that wherein the Ith part of spring, which has the initial tension,01, the IIth
It is P that part, which has the initial tension,02... ..., it is P that the n-th part, which has the initial tension,0n。
When pulling force reaches initial tension P01When, the Ith part of cylindroid helical-coil extension spring starts to stretch；When pulling force reaches just drawing
Power P02When, the Ith part of cylindroid helical-coil extension spring and the IIth part are stretched jointly；……；When pulling force reaches P0nWhen, circle
Ith part of column spiral stretching spring, the IIth part ... and the n-th part is stretched jointly.
The pitch of spring is uniform.
A method of the manufacture such as above-mentioned extension spring with segmentation stiffness coefficient curve, this method includes following step
It is rapid to realize：
The first step, according to the spring rate K on the load-deformation curve of cylindroid helical-coil extension spring1、K2、……、
Kn, by K=Gd4/8D3N calculates separately out the corresponding number of turns N of each spring rate1、N2、……、Nn, wherein G is steel wire
The coefficient of rigidity；D is the diameter of spring steel wire；D is the central diameter of spring；It can obtain：
The Ith part number of turns=N of cylindroid helical-coil extension spring1；
The IIth part number of turns=N of cylindroid helical-coil extension spring2-N1；
……；
The n-th part number of turns=N of cylindroid helical-coil extension springn-Nn-1；
Second step processes the Ith partial spring, applies to steel wire while winding I part of cylindroid helical-coil extension spring
Torque is P come the initial tension for controlling the partial spring01；
Third walks, and processes the IIth partial spring, is applied to steel wire while winding II part of cylindroid helical-coil extension spring
The initial tension for adding torque to control the partial spring is P02；
……；
N-th step processes the n-th partial spring, applies to steel wire while winding the n-th part of cylindroid helical-coil extension spring and turns round
Square is P come the initial tension for controlling the partial spring0n。
Hotlist processing and detection are carried out as desired, and part, spring can be handed over to machine after acceptance(check).
Advantageous effect：The appearance and size of spring is constant, in the case of being had no effect to the fit structure of surrounding, carries
The weight range for rising spring, meets wider application requirement.
Description of the drawings
Fig. 1 is the structure and load-deformation curve of extension spring of the present invention.
Specific implementation mode
As shown in Figure 1, preproduction one has three sections of stiffness coefficient load-deformation curves and segmentation meets Hooke's law
Cylindroid helical-coil extension spring has the initial tension of setting per part, it is desirable that P01=5N, P02=10N, P03=14N, Pmax=20N,
K1=1N/mm, K2=0.5N/mm, K3=0.25N/mm.
The first step：Selection 70-E-d1.0, it is assumed that D=10.By G=80400MPa, d=1mm, D=10mm, K3=
0.25N/mm brings Rigidity Calculation formula K=Gd into4/8D3It is 40 circles that n, which calculates the total number of effective coils of spring,.Similarly the Ith part and
The number of total coils of IIth part is 20 circles.The building ring of Ith part is 10 circles.So the Ith part of spring is 10 circles, the IIth part
For 10 circles, the IIIth part is 20 circles.
Second step：The Ith part 10 circle is wound, so that initial tension value is 5N by applying torque to steel wire；
Third walks：Continue to wind the IIth part 10 circle, so that initial tension value is 10N by applying torque to steel wire；
4th step：Continue to wind the IIIth part 20 circle, so that initial tension value is 14N by applying torque to steel wire；
Hotlist processing and detection are carried out as desired, and part, spring can be handed over to machine after acceptance(check).
Claims (5)
1. a kind of extension spring with segmentation stiffness coefficient curve, belongs to cylindroid helical-coil extension spring, it is characterised in that：It is answered
There is force-strain curve n segmentation, spring rate to be followed successively by K1、K2、……、Kn, K1>K2>……>Kn, initial tension is successively
For P01、P02、……、P0n, maximum pull Pmax, the extension spring includes having the first stiffness coefficient k1, the second stiffness coefficient
k2..., the n-th stiffness coefficient knThe Ith part, the IIth part ..., the n-th part, wherein then 1/K1=1/k1, 1/K2=1/
k1+1/k2... ..., 1/Kn=1/k1+1/k2+……+1/kn, it is P that wherein the Ith part of spring, which has the initial tension,01, the IIth
It is P that part, which has the initial tension,02... ..., it is P that the n-th part, which has the initial tension,0n。
2. extension spring according to claim 1, it is characterised in that：When pulling force reaches initial tension P01When, cylindrical screw is drawn
The Ith part for stretching spring starts to stretch；When pulling force reaches initial tension P02When, the Ith part of cylindroid helical-coil extension spring and the IIth
Part is stretched jointly；……；When pulling force reaches P0nWhen, the Ith part of cylindroid helical-coil extension spring, the IIth part ... and
N-th part is stretched jointly.
3. extension spring according to claim 1 or 2, it is characterised in that：The pitch of spring is uniform.
4. a kind of manufacture side with the extension spring for being segmented stiffness coefficient curve as claimed in any one of claims 1-3
Method, which is characterized in that this approach includes the following steps realizes：
The first step, according to the spring rate K on the load-deformation curve of cylindroid helical-coil extension spring1、K2、……、Kn, press
K=Gd4/8D3N calculates separately out the corresponding number of turns N of each spring rate1、N2、……、Nn, wherein G is the shearing of steel wire
Elasticity modulus；D is the diameter of spring steel wire；D is the central diameter of spring；It can obtain：
The Ith part number of turns=N of cylindroid helical-coil extension spring1；
The IIth part number of turns=N of cylindroid helical-coil extension spring2-N1；
……；
The n-th part number of turns=N of cylindroid helical-coil extension springn-Nn-1；
Second step processes the Ith partial spring, applies torque to steel wire while winding I part of cylindroid helical-coil extension spring
Initial tension to control the partial spring is P01；
Third walks, and processes the IIth partial spring, applies to steel wire while winding II part of cylindroid helical-coil extension spring and turns round
Square is P come the initial tension for controlling the partial spring02；
……；
N-th step processes the n-th partial spring, applies torque to steel wire while winding the n-th part of cylindroid helical-coil extension spring
The initial tension for controlling the partial spring is P0n。
5. the method with the extension spring for being segmented stiffness coefficient curve according to claim 4, it is characterised in that：According to
Demand carries out hotlist processing and detection, and part, spring can be handed over to machine after acceptance(check).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608769.XA CN108547894B (en) | 2018-06-13 | 2018-06-13 | Extension spring with segmented stiffness coefficient curve and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608769.XA CN108547894B (en) | 2018-06-13 | 2018-06-13 | Extension spring with segmented stiffness coefficient curve and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108547894A true CN108547894A (en) | 2018-09-18 |
| CN108547894B CN108547894B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810608769.XA Active CN108547894B (en) | 2018-06-13 | 2018-06-13 | Extension spring with segmented stiffness coefficient curve and manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115457A (en) * | 2019-04-11 | 2019-08-13 | 朱洁 | A kind of connection buckle and the anti-lost chain with the connection buckle |
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| CN101201089A (en) * | 2006-12-15 | 2008-06-18 | 上海通运汽车科技有限公司 | Variable-pitch variable-diameter spiral compression spring |
| CN101603855A (en) * | 2009-07-16 | 2009-12-16 | 华北电力大学 | The analytical approach of shafting torsional vibration of turbo-generator set |
| CN201513496U (en) * | 2009-09-18 | 2010-06-23 | 湖北宝马弹簧有限公司 | Automobile varied diameter suspension spring |
| CN101949421A (en) * | 2010-06-09 | 2011-01-19 | 浙江美力弹簧有限公司 | Variable stiffness spring for realizing conversion of work rings and support rings |
| CN203202100U (en) * | 2013-04-22 | 2013-09-18 | 杭州富春弹簧有限公司 | Sectionalized stiffness-variable combined spring |
| CN104239658A (en) * | 2014-10-23 | 2014-12-24 | 山东理工大学 | Inverse solution method for nonlinear stiffness characteristic parameters and curve of suspension of air spring seat |
| CN104763765A (en) * | 2015-04-10 | 2015-07-08 | 山东大学 | Novel high static and low dynamic rigidity piecewise linear vibration isolator and work method thereof |
| CN205689652U (en) * | 2016-06-23 | 2016-11-16 | 陕西重型汽车有限公司 | Automobile-used variable-pitch screw spring and Medium or severe type offroad vehicle suspension |
-
2018
- 2018-06-13 CN CN201810608769.XA patent/CN108547894B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101201089A (en) * | 2006-12-15 | 2008-06-18 | 上海通运汽车科技有限公司 | Variable-pitch variable-diameter spiral compression spring |
| CN101603855A (en) * | 2009-07-16 | 2009-12-16 | 华北电力大学 | The analytical approach of shafting torsional vibration of turbo-generator set |
| CN201513496U (en) * | 2009-09-18 | 2010-06-23 | 湖北宝马弹簧有限公司 | Automobile varied diameter suspension spring |
| CN101949421A (en) * | 2010-06-09 | 2011-01-19 | 浙江美力弹簧有限公司 | Variable stiffness spring for realizing conversion of work rings and support rings |
| CN203202100U (en) * | 2013-04-22 | 2013-09-18 | 杭州富春弹簧有限公司 | Sectionalized stiffness-variable combined spring |
| CN104239658A (en) * | 2014-10-23 | 2014-12-24 | 山东理工大学 | Inverse solution method for nonlinear stiffness characteristic parameters and curve of suspension of air spring seat |
| CN104763765A (en) * | 2015-04-10 | 2015-07-08 | 山东大学 | Novel high static and low dynamic rigidity piecewise linear vibration isolator and work method thereof |
| CN205689652U (en) * | 2016-06-23 | 2016-11-16 | 陕西重型汽车有限公司 | Automobile-used variable-pitch screw spring and Medium or severe type offroad vehicle suspension |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115457A (en) * | 2019-04-11 | 2019-08-13 | 朱洁 | A kind of connection buckle and the anti-lost chain with the connection buckle |
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| Publication number | Publication date |
|---|---|
| CN108547894B (en) | 2020-07-03 |
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