CN208749897U - A kind of compound disc spring of high speed rotating shaft - Google Patents
A kind of compound disc spring of high speed rotating shaft Download PDFInfo
- Publication number
- CN208749897U CN208749897U CN201821515029.3U CN201821515029U CN208749897U CN 208749897 U CN208749897 U CN 208749897U CN 201821515029 U CN201821515029 U CN 201821515029U CN 208749897 U CN208749897 U CN 208749897U
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- disc spring
- high speed
- rotating shaft
- speed rotating
- flexible link
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Abstract
The utility model discloses a kind of compound disc springs of high speed rotating shaft, belong to spring technical field, including at least three disc springs pair, are connected between the disc spring pair by flexible link；Each disc spring is to the upper end disc spring and lower end disc spring for including fastening；The upper end disc spring includes the first annular inner portion set gradually from inside to outside, the first cyclic moieties and the first outer ring portion, and the centre of first annular inner portion is equipped with the first mounting hole；The lower end disc spring includes the second annular inner portion set gradually from inside to outside, the second cyclic moieties and the second outer ring portion, and the centre of second annular inner portion is equipped with the second mounting hole identical with the first installation bore dia；The section of first outer ring portion is L-shaped and second outer ring portion with the L-shaped inner surface abuts fastening.When the high speed rotating shaft of the utility model is installed on high speed rotating shaft with compound disc spring, it can avoid the disc spring in the middle part of compound disc spring and eccentric phenomena occur due to by centrifugal force.
Description
Technical field
The utility model relates to spring technical field more particularly to a kind of compound disc springs of high speed rotating shaft.
Background technique
On the main shaft of some high-speed rotating axial workpieces such as underground drill rig, buffering big based on disk spring rigidity is inhaled
The features such as shake ability is strong and compact-sized is often equipped with disc spring group on these main shafts.
The disk spring group on these high speed rotating shafts is all that pairing is assembled in groups using two identical disc springs at present
, the logarithm of disc spring is selected according to the need of work of high speed rotating shaft, constitutes disc spring group.
In high speed rotating shaft high speed rotation, the disk spring at position among the disc spring group, due to by centrifugal force
Effect, it is easy to deviate main-shaft axis.When the total height of disc spring group is bigger, eccentric phenomenon is also more serious, will lead to
High speed rotating shaft generates resonance, influences the safety coefficient and service life of high speed rotating shaft work.
Utility model content
The purpose of this utility model is to provide a kind of compound disc springs of high speed rotating shaft, to solve in high-speed rotating shaft high speed
The eccentricity issues that disc spring group generates due to by centrifugal force when rotation improve so that high speed rotating shaft will not resonate with disc spring
The safety coefficient and service life of high speed rotating shaft at work.
As above design, the technical scheme adopted by the utility model is
A kind of compound disc spring of high speed rotating shaft, including at least three disc springs pair pass through flexible link between the disc spring pair and connect
It connects；Each disc spring is to the upper end disc spring and lower end disc spring for including fastening；The upper end disc spring includes successively setting from inside to outside
The first annular inner portion, the first cyclic moieties and the first outer ring portion set, the centre of first annular inner portion are equipped with the first peace
Fill hole；The lower end disc spring includes the second annular inner portion set gradually from inside to outside, the second cyclic moieties and the second outer portion
Point, the centre of second annular inner portion is equipped with the second mounting hole identical with the first installation bore dia；Outside described first
The section of loop section is L-shaped and second outer ring portion with the L-shaped inner surface abuts fastening.
Wherein, the extending direction of the flexible link is parallel with the axis of compound disc spring with the high speed rotating shaft.
Wherein, the flexible link is provided with along the high speed rotating shaft with the axisymmetrical of compound disc spring at least a pair of.
Wherein, the flexible link is arranged in first annular inner portion and second annular inner portion, first inner ring
Part and second annular inner portion are equipped with the through-hole cooperated with the flexible link.
Wherein, the flexible link is arranged in first cyclic moieties and second cyclic moieties, first middle ring
Part and second cyclic moieties are equipped with the through-hole cooperated with the flexible link.
Wherein, one end of the flexible link is equipped with nut, and the other end of the flexible link is equipped with flexible pole cap.
Wherein, the end that the flexible link is equipped with the nut is equipped with the thread cooperated with the nut.
Wherein, the flexible link and the flexible pole cap are integrally formed and the diameter of the flexible pole cap is greater than the through-hole
Diameter.
Wherein, the material of the flexible link is spring steel.
Wherein, the endurance of the flexible link is greater than the maximum endurance of the disc spring pair.
The utility model proposes the compound disc spring of high speed rotating shaft, by be arranged at least three disc springs pair, using flexible link
By each disc spring to connection；When high speed rotating shaft is installed on high speed rotation by the first mounting hole and the second mounting hole with compound disc spring
Shaft, disc spring in the middle part of compound disc spring is to because when will be generated eccentric phenomena by centrifugal force, due to the setting of flexible link,
The disc spring at both ends prevents its generation eccentric phenomena to that can give the disc spring at middle part to a reversed active force, and then prevents high speed
Shaft generates resonance, improves the safety coefficient and service life of high speed rotating shaft work；And the upper end disc spring of each disc spring pair and
Lower end disc spring fasten so that each disc spring to connect it is closer, will not because of made by centrifugal force disc spring to separation, further
Avoid the centrifugal phenomenon of compound disc spring.
Detailed description of the invention
Fig. 1 is main view of the high speed rotating shaft provided by the embodiment of the utility model with compound disc spring；
Fig. 2 is the A-A diagrammatic cross-section in Fig. 1.
In figure:
10, upper end disc spring；11, the first mounting hole；12, the first annular inner portion；13, the first cyclic moieties；14, the first outer ring
Part；
20, lower end disc spring；21, the second mounting hole；22, the second annular inner portion；23, the second cyclic moieties；24, the second outer ring
Part；
30, flexible link；31, flexible pole cap；32, nut；
40, disc spring pair.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
Referring to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of high speed rotating shaft compound disc spring, including three disc springs
To 40, disc spring by flexible link 30 to being connected between 40.In the present embodiment, the extending direction and high speed rotating shaft of flexible link 30 are with again
The axis for closing disc spring is parallel, and flexible link 30 is provided with a pair with the axisymmetrical of compound disc spring along high speed rotating shaft.It is symmetrical arranged
Flexible link 30 disc spring is connected to 40, when shaft high speed rotation, positioned at dish of the high speed rotating shaft in the middle part of compound disc spring
When eccentric phenomena will occur for spring due to by centrifugal force to 40, eccentric phenomena will also occur for the flexible link 30 for driving thereon, and two
The disc spring at end can prevent flexible link 30 that eccentric phenomena occurs to 40 to flexible link 30 1 reversed active forces, and then prevent middle part
Disc spring to 40 occur eccentric phenomenas.
Each disc spring includes the upper end disc spring 10 and lower end disc spring 20 fastened to 40；Upper end disc spring 10 include from inside to outside according to
The first annular inner portion 12, the first cyclic moieties 13 and the first outer ring portion 14 of secondary setting, the centre of the first annular inner portion 12 is set
There is the first mounting hole 11；Lower end disc spring 20 includes the second annular inner portion 22 set gradually from inside to outside, the second cyclic moieties 23
The second mounting hole identical with 11 diameter of the first mounting hole is equipped with the centre of the second outer ring portion 24, the second annular inner portion 22
21；The section of first outer ring portion 14 is L-shaped and the second outer ring portion 24 with L-shaped inner surface abuts fastening.
High speed rotating shaft is installed on high speed rotating shaft with compound disc spring by the first mounting hole 11 and the second mounting hole 21, and first
The aperture of mounting hole 11 and the second mounting hole 21 is arranged according to the diameter of axle of high speed rotating shaft.
Each disc spring fastens 40 upper end disc spring 10 and lower end disc spring 20, so that each disc spring is more tight to 40 connection
It is close, the work of high speed rotating shaft will not be influenced because of disc spring is separated to 40.
In the present embodiment, flexible link 30 is arranged in the first annular inner portion 12 and the second annular inner portion 22, the first annular inner portion
12 and second annular inner portion 22 be equipped with the through-hole that cooperates with flexible link 30.One end of flexible link 30 is equipped with thread, sets on thread
There is nut 32, the other end, which is equipped with, is greater than through-hole with the diameter of the integrally formed flexible pole cap 31 of flexible link 30 and flexible pole cap 31
Diameter.Nut 32 is screwed into thread until abuts with high speed rotating shaft with the surface of one end of compound disc spring, flexible pole cap 31 and height
The surface of the fast shaft other end of compound disc spring abuts, and nut 32 and flexible pole cap 31 can guarantee in shaft high speed rotation,
Flexible link 30 is in high speed rotating shaft with the displacement along 30 own axes of flexible link will not occur in compound disc spring.The material of flexible link 30
For spring steel, can with disc spring to 40 deformation and deformation, and the endurance of flexible link 30 is greater than disc spring and bears to 40 maximum
Power, it is ensured that flexible link 30 will not be broken after disc spring is compressed to 40.
In other examples, flexible link 30 can also be arranged in the first cyclic moieties 13 and the second cyclic moieties 23,
The through-hole cooperated with flexible link 30 is equipped on the first cyclic moieties 13 and the second cyclic moieties 23.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of compound disc spring of high speed rotating shaft, which is characterized in that including at least three disc springs to (40), the disc spring is to (40)
Between by flexible link (30) connect；Each disc spring includes the upper end disc spring (10) and lower end disc spring fastened to (40)
(20)；
The upper end disc spring (10) include the first annular inner portion (12) set gradually from inside to outside, the first cyclic moieties (13) and
The centre of first outer ring portion (14), first annular inner portion (12) is equipped with the first mounting hole (11)；
The lower end disc spring (20) include the second annular inner portion (22) set gradually from inside to outside, the second cyclic moieties (23) and
Second outer ring portion (24), the centre of second annular inner portion (22) are equipped with identical with the first mounting hole (11) diameter
Second mounting hole (21)；
The section of first outer ring portion (14) is L-shaped and second outer ring portion (24) is supported with the L-shaped inner surface
Buckle closes.
2. the compound disc spring of high speed rotating shaft according to claim 1, which is characterized in that the extension side of the flexible link (30)
To parallel with the axis of compound disc spring with the high speed rotating shaft.
3. the compound disc spring of high speed rotating shaft according to claim 2, which is characterized in that the flexible link (30) is along the height
Fast shaft is provided at least a pair of with the axisymmetrical of compound disc spring.
4. the compound disc spring of high speed rotating shaft according to claim 3, which is characterized in that the flexible link (30) is arranged in institute
State the first annular inner portion (12) and second annular inner portion (22), first annular inner portion (12) and second internal ring portion
(22) are divided to be equipped with the through-hole cooperated with the flexible link (30).
5. the compound disc spring of high speed rotating shaft according to claim 3, which is characterized in that the flexible link (30) is arranged in institute
State the first cyclic moieties (13) and second cyclic moieties (23), ring portion in first cyclic moieties (13) and described second
(23) are divided to be equipped with the through-hole cooperated with the flexible link (30).
6. the compound disc spring of high speed rotating shaft according to claim 4 or 5, which is characterized in that the one of the flexible link (30)
End is equipped with nut (32), and the other end of the flexible link (30) is equipped with flexible pole cap (31).
7. the compound disc spring of high speed rotating shaft according to claim 6, which is characterized in that the flexible link (30) is equipped with described
The end of nut (32) is equipped with the thread cooperated with the nut (32).
8. the compound disc spring of high speed rotating shaft according to claim 6, which is characterized in that the flexible link (30) with it is described soft
Property pole cap (31) be integrally formed and the diameter of the flexible pole cap (31) is greater than the diameter of the through-hole.
9. the compound disc spring of high speed rotating shaft according to claim 1-5, which is characterized in that the flexible link (30)
Material be spring steel.
10. the compound disc spring of high speed rotating shaft according to claim 1-5, which is characterized in that the flexible link
(30) endurance is greater than the disc spring and withstands forces to the maximum of (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515029.3U CN208749897U (en) | 2018-09-17 | 2018-09-17 | A kind of compound disc spring of high speed rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515029.3U CN208749897U (en) | 2018-09-17 | 2018-09-17 | A kind of compound disc spring of high speed rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749897U true CN208749897U (en) | 2019-04-16 |
Family
ID=66084559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821515029.3U Active CN208749897U (en) | 2018-09-17 | 2018-09-17 | A kind of compound disc spring of high speed rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196887A (en) * | 2020-10-12 | 2021-01-08 | 浙江佳乐科仪股份有限公司 | Torque adjustable hinge |
-
2018
- 2018-09-17 CN CN201821515029.3U patent/CN208749897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196887A (en) * | 2020-10-12 | 2021-01-08 | 浙江佳乐科仪股份有限公司 | Torque adjustable hinge |
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