CN207728777U - A kind of three-stage variable-stiffness helix bearing spring - Google Patents
A kind of three-stage variable-stiffness helix bearing spring Download PDFInfo
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- CN207728777U CN207728777U CN201721818032.8U CN201721818032U CN207728777U CN 207728777 U CN207728777 U CN 207728777U CN 201721818032 U CN201721818032 U CN 201721818032U CN 207728777 U CN207728777 U CN 207728777U
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- spring
- steel wire
- epimere
- bearing spring
- stage variable
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Abstract
A kind of three-stage variable-stiffness helix bearing spring, the spring be by one by thick tapered steel wire winding at helical structure, spring it is each successively away from along steel wire from thick tapered direction be to narrow from the width, demand according to variable rate spring under unloaded and fully loaded different operating modes to rigidity, the utility model can solve the problems, such as heavy special vehicle bearing spring variation rigidity.
Description
Technical field
The utility model is related to a kind of three-stage variable-stiffness helix bearing springs, belong to heavy special vehicle suspension helical bullet
Spring.
Background technology
To improve heavy special vehicle in the maneuverability of complicated ground, usually require that suspension system has big stroke to carry
The grounded capacity of high wheel, big visibly moved amount are flat to improve to ensure will not frequently to hit limited block, good ride performance
Special type speed.Automotive suspension is one by the coefficient complication system of more non-linear factor, and the quality of performance is directly
Affect the comfort and control stability of running car.
The vibration frequency of automotive suspension part, not only the quality with the rigidity of bearing spring in relation to but also with carrying is related.
Good ride comfort in order to obtain, it is desirable that the rigidity of bearing spring is larger when overloaded, and the rigidity of spring is smaller at light load, makes suspension
The vibration frequency of spring is kept in a certain range.And variation rigidity, but this cluster spring are generally realized by multistage spring
Rigidity discontinuously changes, and is also easy to produce impact, is unfavorable for the service life of spring.This requires suspension systems to use variation rigidity
Elastic element.It is less to the research of suspension variable stiffness coil spring both at home and abroad at present with the rise of Active suspension.Therefore,
The utility model has carried out a kind of research of three-stage variable-stiffness helix bearing spring.
Invention content
Demand according to variable rate spring under unloaded and fully loaded different operating modes to rigidity, the utility model provide one kind
Three-stage variable-stiffness helix bearing spring, to solve the problems, such as heavy special vehicle bearing spring variation rigidity.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of three-stage variable-stiffness helix bearing spring, the spring be by one by thick tapered steel wire winding at spiral shell
Revolve structure, spring it is each successively away from along steel wire from thick tapered direction be to narrow from the width.
Spring is divided into epimere, stage casing and hypomere along the direction of steel wire from coarse to fine, each section spring section in epimere
Away from equal, each section spring pitch in hypomere is equal, and epimere, stage casing and hypomere internal diameter are equal.
The length of epimere is more than lower segment length, and lower segment length is more than middle segment length.
The utility model has the beneficial effects that：
1. the three-stage suspension variable stiffness coil spring, can in zero load, spring rate is smaller, ensure to drive and take
Comfort meets ride comfort requirement；It is larger in full load spring rate, improve control stability.
2. the three-stage suspension variable stiffness coil spring, which is uniform internal diameter, becomes string diameter spring, becoming spring string diameter, central diameter and section
Away from while, ensure that the internal diameter of spring is constant, can either realize variation rigidity characteristic, and conducive to the processing and production of spring, technique
Simply, it is convenient in middle part mounting dampers.
Description of the drawings
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
As shown in Figure 1, a kind of three-stage variable-stiffness helix bearing spring, the spring is by one by thick tapered steel wire
The helical structure being wound in, spring it is each successively away from along steel wire from thick tapered direction be to narrow from the width.
Spring is divided into epimere 1, stage casing 2 and hypomere 3 along the direction of steel wire from coarse to fine, each section bullet in epimere 1
Spring pitch is equal, and each section spring pitch in hypomere 3 is equal, and epimere 1, stage casing 2 are equal with 3 internal diameter of hypomere.
The length of epimere 1 is more than 3 length of hypomere, and 3 length of hypomere is more than 2 length of stage casing.
This spring, by being pre-designed and producing steel wire, is turned in processing according to the helix angle that design is wanted
Required suspension variable stiffness coil spring.
Size range, number of total coils, free height, zero load and the fully loaded rigidity Design demand etc. required according to each section of internal-and external diameter
Design requirement, it is proposed that a kind of three-stage variable-stiffness helix bearing spring design scheme calculates spring and rolls rear each section of spring
String diameter, pitch, helix angle and the number of turns, it is ensured that the rational technique of coiling process.
Claims (3)
1. a kind of three-stage variable-stiffness helix bearing spring, it is characterised in that：The spring is by one by thick tapered steel wire
The helical structure being wound in, spring it is each successively away from along steel wire from thick tapered direction be to narrow from the width.
2. a kind of three-stage variable-stiffness helix bearing spring according to claim 1, it is characterised in that：Spring is along steel wire
Direction from coarse to fine is divided into epimere, stage casing and hypomere, and each section spring pitch in epimere is equal, each section bullet in hypomere
Spring pitch is equal, and epimere, stage casing and hypomere internal diameter are equal.
3. a kind of three-stage variable-stiffness helix bearing spring according to claim 2, it is characterised in that：The length of epimere is big
In lower segment length, lower segment length is more than middle segment length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721818032.8U CN207728777U (en) | 2017-12-22 | 2017-12-22 | A kind of three-stage variable-stiffness helix bearing spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721818032.8U CN207728777U (en) | 2017-12-22 | 2017-12-22 | A kind of three-stage variable-stiffness helix bearing spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728777U true CN207728777U (en) | 2018-08-14 |
Family
ID=63085733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721818032.8U Active CN207728777U (en) | 2017-12-22 | 2017-12-22 | A kind of three-stage variable-stiffness helix bearing spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728777U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706572A (en) * | 2021-01-07 | 2021-04-27 | 北京汽车集团越野车有限公司 | Rear independent suspension system and vehicle |
| CN114810882A (en) * | 2022-05-10 | 2022-07-29 | 北京汽车集团越野车有限公司 | Automobile-used coil spring and have its vehicle |
-
2017
- 2017-12-22 CN CN201721818032.8U patent/CN207728777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706572A (en) * | 2021-01-07 | 2021-04-27 | 北京汽车集团越野车有限公司 | Rear independent suspension system and vehicle |
| CN114810882A (en) * | 2022-05-10 | 2022-07-29 | 北京汽车集团越野车有限公司 | Automobile-used coil spring and have its vehicle |
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