CN108167319A - A kind of dynamic pressure cone revolute pair - Google Patents
A kind of dynamic pressure cone revolute pair Download PDFInfo
- Publication number
- CN108167319A CN108167319A CN201711404164.0A CN201711404164A CN108167319A CN 108167319 A CN108167319 A CN 108167319A CN 201711404164 A CN201711404164 A CN 201711404164A CN 108167319 A CN108167319 A CN 108167319A
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- Prior art keywords
- dynamic pressure
- conical surface
- cavity
- cone
- revolute pair
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Classifications
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
- F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
- F16C17/105—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one bearing surface providing angular contact, e.g. conical or spherical bearing 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
According to dynamic pressure cone revolute pair according to the present invention, including accommodating component and rotating member, it accommodates component and includes receiving member and multiple dynamic pressure bushings with the indent conical surface and outer surface, receiving member has multiple dynamic pressure channels being used for through fluid, dynamic pressure channel is arranged in the inner wall of receiving member and penetrates through the indent conical surface and outer surface, dynamic pressure channel includes being arranged on the first cavity to concave on the indent conical surface and the dynamic pressure duct for connecting the first cavity and outer surface, dynamic pressure bushing has dynamic pressure cavity, dynamic pressure bushing is arranged on the opening of the opening of the first cavity and dynamic pressure cavity towards the indent conical surface, the cross section of dynamic pressure cavity is gradually widened from bottom to opening.Dynamic pressure cone revolute pair according to the present invention, during working condition, convex cone is not in contact with each other when rotating with concave cone face, relative to dynamic pressure cylinder revolute pair, dynamic pressure cone revolute pair has better concentric fit degree, therefore the dynamic rotary precision of the main shaft in revolute pair can be improved using gas or Hydrodynamic technology.
Description
Technical field
The invention belongs to machinery fields, and in particular to a kind of dynamic pressure cone revolute pair.
Background technology
It is contact condition when the revolute pair of the prior art rotates mostly, rotation precision and efficiency is not high.
The revolute pair combined using gas or Hydrodynamic technology with cone structure is that the current main shaft running accuracy that improves has
One of approach of effect.
According to gas (air) or liquid (fluid) dynamic pressure technology basic principle, liquid or gas medium, have respectively entered
In multiple chambers of the cone axis concave conical surface, when convex cone rotates, medium forms dynamic pressure from multiple chambers, and convex cone rotating speed is got over
Height, Media density are higher, concave-convex cone gap is smaller, and dynamic pressure is bigger, due to having certain gap, convex cone between the concave, convex conical surface
Float, in contactless state during rotation, but the requirement on machining accuracy of the concave cone face of the cone bearing and chamber is high, processing cost
Greatly.
Invention content
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of smart to concave cone face and chamber process
It spends of less demanding, the dynamic pressure cone revolute pair of processing cost can be reduced.
The present invention provides a kind of dynamic pressure cone revolute pairs, have the feature that, including accommodating component, including in having
The receiving member and multiple dynamic pressure bushings of concave cone face and outer surface；And rotating member, there is the convex conical surface to match with the indent conical surface,
It is arranged in the indent conical surface, wherein, receiving member has multiple dynamic pressure channels for being used to pass through fluid, and dynamic pressure channel is arranged on receiving
In the inner wall of part and the perforation indent conical surface and outer surface, dynamic pressure channel include being arranged on the first cavity to concave on the indent conical surface
With the dynamic pressure duct for connecting the first cavity and outer surface, dynamic pressure bushing has dynamic pressure cavity, and dynamic pressure bushing is arranged on the first cavity
Opening and dynamic pressure cavity opening towards the indent conical surface, the bottom of dynamic pressure cavity is connected with the first cavity, dynamic pressure lining
The cross section of set cavity is gradually widened from bottom to opening.
In dynamic pressure cone revolute pair provided by the invention, it can also have the feature that：Wherein, multiple first cavitys
It is arranged on the indent conical surface along at least one plane of arrangement, plane of arrangement is the plane perpendicular to pivot centre line.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, interior concave cone
The taper in face is 60-150 degree, and the taper of convex conical surface is 60-150 degree, and the quantity of the first cavity is at least 3.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, dynamic pressure is recessed
Chamber is wedge shaped in the both ends of crescent or the section along plane of arrangement along the section of plane of arrangement, and the shape of dynamic pressure cavity mouth is circle
Shape, ellipse, square, rectangle and it is trapezoidal in any one.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, interior concave cone
A plurality of isolation channel is also evenly arranged on face, for isolation channel between two adjacent the first cavitys, the elongated end of isolation channel is equal
It is intersected on the rotation axis of rotating member, the groove width of isolation channel is 2-4mm, depth 2-5mm, the indent conical surface and convex conical surface
On be both provided with corrosion-inhibiting coating.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, dynamic pressure serves as a contrast
The top end face of set is higher than the indent conical surface.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, dynamic pressure serves as a contrast
The top end face of set is the arcwall face coincideing with the indent conical surface and matches with the indent conical surface.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, dynamic pressure serves as a contrast
Set is with receiving member to be fixedly connected or being detachably connected.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, structure is rotated
The convex conical surface upper edge plane of arrangement of part is provided with the annulus with the annular groove of the corresponding indent of dynamic pressure cavity or evagination.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, dynamic pressure is recessed
The hollow depth of chamber is 4-8mm, and dynamic pressure cavity total surface area accounts for the 40-60% of indent conical surface total surface area, gap-ratio 2-
2.5, the expression formula of gap-ratio is h2/h1, and h2 is the bottom of dynamic pressure cavity and the distance of convex conical surface, and h1 is the top of dynamic pressure bushing
End face and the distance of convex conical surface.
In addition, in dynamic pressure cone revolute pair provided by the invention, can also have the feature that：Wherein, interior concave cone
The taper in face is 60-150 degree, and the taper of convex conical surface is 60-150 degree.
The effect of invention
According to dynamic pressure cone revolute pair according to the present invention, including accommodating component and rotating member, accommodate component and include tool
There are the receiving member of the indent conical surface and outer surface and multiple dynamic pressure bushings, receiving member is used to lead to by the dynamic pressure of fluid with multiple
Road, dynamic pressure channel are arranged in the inner wall of receiving member and penetrate through the indent conical surface and outer surface, and dynamic pressure channel includes being arranged on indent
The first cavity to concave on the conical surface and the dynamic pressure duct for connecting the first cavity and outer surface, dynamic pressure bushing have dynamic pressure cavity,
Dynamic pressure bushing is arranged on the opening of the opening of the first cavity and dynamic pressure cavity towards the indent conical surface, the bottom of dynamic pressure cavity with
First cavity is connected, and the cross section of dynamic pressure cavity is gradually widened from bottom to opening.
According to dynamic pressure cone revolute pair according to the present invention, during working condition, convex cone does not connect mutually when rotating with concave cone face
It touches, is in gas or state of liquid friction always, in this way, the manufacture of rotation center jerk value μ when convex cone rotates and concave-convex cone
Error is not directly dependent upon, i.e., convex cone jerk value is not equal to concave-convex cone deviation from circular from amount, according to actual measurement, bounce when convex cone rotates
Amount is the 1/5-1/10 of concave-convex cone deviation from circular from amount, and relative to dynamic pressure cylinder revolute pair, dynamic pressure cone revolute pair has better
Concentric fit degree, therefore use gas or Hydrodynamic technology that can improve the dynamic rotary precision of the main shaft in revolute pair, reach
0.1-1.0μm。
In addition, dynamic pressure technology, which is not required to input, the medium of pressure, but it is essential to ensure that concave cone chamber has enough oil masses, certain
The medium of viscosity, smaller gap to form inclined wedge (wedge point towards the direction of rotation of convex cone), has between concave cone and convex cone
These conditions, when convex cone rotates, medium gets into small end from inclined wedge big end and forms dynamic pressure, it follows that convex cone does not turn
Pressure is not generated, rotating speed is higher, Media density is bigger, concave-convex cone gap is smaller, and dynamic pressure is bigger.
It being arranged on after being due to dynamic pressure bushing on the indent conical surface, the processing of the dynamic pressure cavity of bushing can be processed individually,
Therefore difficulty of processing substantially reduces, and so as to improve the working efficiency of dynamic pressure cavity processing, reduces processing cost.
Description of the drawings
Fig. 1 is dynamic pressure cone revolute pair schematic diagram in the embodiment of the present invention；
Fig. 2 is receiving member sectional view in the embodiment of the present invention；
Fig. 3 is B direction views in Fig. 2；And
Fig. 4 be in Fig. 1 part A in the section view enlarged diagram of plane of arrangement.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention
Example combination attached drawing is applied to be specifically addressed the dynamic pressure cone revolute pair of the present invention.
Embodiment one
As shown in Figure 1, dynamic pressure cone revolute pair 100 includes accommodating component 10 and rotating member 20.
It accommodates component 10 and includes receiving member 11 and multiple dynamic pressure bushings 12.
As shown in Fig. 2, receiving member 11 includes the indent conical surface 111, outer surface 112, multiple dynamic pressure channels 113 and through-hole
114。
And some do not need to axis by occasion, receiving member 11 can be not provided with through-hole 114.In the present embodiment, accommodate
Part 11 interior 111 center of concave cone face it is horizontally arranged be useful for axis by through-hole 114, receiving member 11 use made of metal
Into.
Dynamic pressure channel 113 is arranged in the inner wall of receiving member 11 and penetrates through the indent conical surface 111 and outer surface 112, and dynamic pressure is led to
Road 113 includes being arranged on the first cavity 113a to concave on the indent conical surface 111 and connects the first cavity 113a and outer surface 112
Dynamic pressure duct 113b, dynamic pressure channel 113 is used for through fluid, and the dynamic pressure duct 113b that external fluid passes through outer surface enters
Concave cone face 111.In the present embodiment, which is liquid oil, and the first cavity 113a is cylindrical.
As shown in figure 4, dynamic pressure bushing 12 has dynamic pressure cavity 121, dynamic pressure bushing 12 is arranged on opening for the first cavity 113a
At mouthful and the opening of dynamic pressure cavity 121 is towards the indent conical surface 111, and the bottom of dynamic pressure cavity 121 is connected with the first cavity 113a,
The cross section of dynamic pressure cavity 121 is gradually widened from bottom to opening, and multiple first cavity 113a are along at least one cloth horizontalization
Face is arranged on the indent conical surface 111, and plane of arrangement is the plane perpendicular to 20 rotation axis of rotating member, in embodiment, rotating member
20 rotation axis are horizontal line, and plane of arrangement is 2, and the quantity of dynamic pressure cavity 121 is 16, the dynamic pressure in each plane of arrangement
The quantity of cavity 121 is 8.
As shown in Figure 2 and Figure 3, multiple dynamic pressure bushings 12 are arranged on along at least one plane of arrangement on the indent conical surface 111, cloth
Horizontalization face is the plane perpendicular to 20 rotation axis of rotating member, and in embodiment, 20 rotation axis of rotating member is horizontal line, cloth horizontalization
Face is 2, and the quantity of dynamic pressure bushing 12 is 16, and the quantity of the dynamic pressure bushing 12 in each plane of arrangement is 8.
The cooperation taper between component 10 and rotating member 20 is accommodated, it is true according to the size of outer radial load and axial load
It is fixed.The taper of the indent conical surface is 60-150 degree, and the taper of convex conical surface is 60-150 degree.The cone of the indent conical surface 111 in this example
Degree and the taper of convex conical surface 21 are 90 degree.
As shown in Figure 1, rotating member 20 has convex conical surface 21, convex conical surface 21 and 111 phase of the indent conical surface of rotating member 20
Match, there is certain gap between the concave, convex conical surface, the axis of rotating member 20 and the axis collinear of the indent conical surface 111, rotating member 20 around
Horizontal axis rotates in interior concave cone face 111, when external liquid oil is served as a contrast by the dynamic pressure duct 113b of outer surface by dynamic pressure
When set 12 enters concave cone face 111, rotating member 20 floats, and contactless state is in during rotation.
In embodiment, rotating member 20 be provided in the horizontal direction with through-hole 114 match for axis by through-hole.
Embodiment two
The present embodiment other structures are identical with embodiment one, the difference is that the shape of 121 accent of dynamic pressure cavity is round, ellipse
Round, square, rectangle and it is trapezoidal in any one.The section of dynamic pressure cavity 121 along plane of arrangement is in crescent or edge
The both ends of the section of plane of arrangement are wedge shaped,
The shape of 121 accent of dynamic pressure cavity is trapezoidal in embodiment two, and the section along plane of arrangement is in crescent.
Embodiment three
The present embodiment other structures are identical with embodiment two, the difference is that the depth to concave of dynamic pressure cavity 121 is 4-
8mm, 121 total surface area of dynamic pressure cavity account for the 40-60% of indent conical surface total surface area.
Example IV
As shown in figure 4, the present embodiment other structures are identical with embodiment three, the difference is that the top end face of dynamic pressure bushing 12 is
It the arcwall face that coincide with the indent conical surface and matches with the indent conical surface, gap-ratio 2-2.5, the expression formula of gap-ratio is h2/
H1, h2 are the bottom of dynamic pressure cavity and the distance of convex conical surface, and h1 is the top end face of dynamic pressure bushing and the distance of convex conical surface.When
When gap-ratio is 2.2, bearing capacity is maximum.It is according to the material and machining accuracy of load, rotating speed, the viscosity of oil, axis and bearing
Etc. factors determine.
Example IV intermediate gap ratio is 2.2.
Embodiment five
The present embodiment other structures are identical with embodiment three, the difference is that the top end face of dynamic pressure bushing 12 is higher than the indent conical surface
111, gap-ratio 2-2.5, the expression formula of gap-ratio are h2/h1, and h2 is the bottom of dynamic pressure cavity and the distance of convex conical surface,
H1 is the top end face of dynamic pressure bushing and the distance of convex conical surface.When gap-ratio is 2.2, bearing capacity is maximum.It according to load,
The factors such as rotating speed, the viscosity of oil, the material of axis and bearing and machining accuracy determine.
In embodiment five, the top end face of dynamic pressure bushing 12 is 0.5mm higher than the distance of the indent conical surface 11, gap-ratio 2.2,
The depth of the indent of dynamic pressure cavity 121 is 4mm, and the total surface area of dynamic pressure cavity 121 accounts for 111 total surface area of the indent conical surface
45%.
The axial section of dynamic pressure bushing 13 may be stairstepping.
Embodiment six
The other structures of the present embodiment are identical with embodiment five, the difference is that 12 and first cavity 113a of dynamic pressure bushing is solid
Fixed connection.
Dynamic pressure bushing 12 and the first cavity 113a are the mode that is fixedly connected using Nian Jie or be interference fitted, in embodiment six
Dynamic pressure bushing 12 is with the mode of the first cavity 113a connections using Nian Jie.
Embodiment seven
The other structures of the present embodiment are identical with embodiment five, the difference is that 12 and first cavity 113a of dynamic pressure bushing is can
Dismantling connection.
Dynamic pressure bushing 12 is connected with the mode that the first cavity 113a is connect using screw in embodiment seven.
Embodiment eight
The other structures of the present embodiment are identical with embodiment seven, the difference is that being provided with corrosion-inhibiting coating on the indent conical surface 111.
Corrosion-inhibiting coating in embodiment eight is nano ceramics.
Embodiment nine
As shown in figure 3, the other structures of the present embodiment are identical with embodiment five, the difference is that also uniform on the indent conical surface 11
A plurality of isolation channel 115 is provided with, isolation channel 115 is between two adjacent the first cavity 113a, the elongated end of isolation channel 115
It is intersected on the rotation axis of revolving member, the groove width of isolation channel 14 is 2-4mm, depth 2-5mm.
The groove width of isolation channel 115 is 2.5mm in embodiment nine, and depth 2mm, quantity is 8.
Embodiment ten
The other structures of the present embodiment are identical with example IV, the difference is that the 21 upper edge cloth of convex conical surface of revolving member 20
Horizontalization face is provided with 2 annular grooves 211 with 121 corresponding indent of dynamic pressure cavity.
Embodiment 11
The other structures of the present embodiment are identical with example IV, the difference is that the 21 upper edge cloth of convex conical surface of revolving member 20
Horizontalization face is provided with 2 annulus 211 with 121 corresponding evagination of dynamic pressure cavity.
Embodiment 12
The other structures of the present embodiment are identical with embodiment seven, the difference is that being provided with corrosion-inhibiting coating in convex conical surface 21.
Corrosion-inhibiting coating in embodiment 12 is anti-decaying paint.
The effect of embodiment
Dynamic pressure cone revolute pair according to involved by the present embodiment, during working condition, convex cone is mutual with concave cone face when rotating
It does not contact, is in gas or state of liquid friction always, in this way, rotation center jerk value when convex cone rotates and concave-convex cone
Foozle be not directly dependent upon, i.e. convex cone jerk value is not equal to concave-convex cone deviation from circular from amount, according to actual measurement, when convex cone rotates
Jerk value be the 1/5-1/10 of concave-convex cone deviation from circular from amount, therefore the master in revolute pair can be improved using Hydrodynamic technology
The dynamic rotary precision of axis, reaches 0.1-1.0 μm.
In addition, bushing is arranged on after being on the indent conical surface, the difficulty of processing of bushing cavity requires to substantially reduce, so as to carry
The high working efficiency of bushing cavity processing, reduces processing cost.
Further, the top of bushing is higher than the indent conical surface, and the requirement on machining accuracy of the indent conical surface is not high, has and improves work
Make efficiency, reduce the effect of indent cone face process cost.
Further, bushing is connect with receiving component to be adhesively fixed, and is had the characteristics that easy to process.
Further, the convex conical surface upper edge plane of arrangement of revolving member is provided with the ring with the corresponding evagination of bushing
Band substantially reduces the requirement on machining accuracy of convex conical surface, so as to improve work efficiency, reduces processing cost.
Preferred case of the above embodiment for the present invention, is not intended to limit protection scope of the present invention.
Claims (10)
1. a kind of dynamic pressure cone revolute pair, which is characterized in that including：
Component is accommodated, including the receiving member with the indent conical surface and outer surface and multiple dynamic pressure bushings；And
Rotating member has the convex conical surface to match with the indent conical surface, is arranged in the indent conical surface,
Wherein, the receiving member has multiple dynamic pressure channels for being used to pass through fluid, and the dynamic pressure channel is arranged on the receiving
In the inner wall of part and penetrate through the indent conical surface and the outer surface,
The dynamic pressure channel include being arranged on the first cavity for concaving on the indent conical surface and connect first cavity with
The dynamic pressure duct of the outer surface,
The dynamic pressure bushing has dynamic pressure cavity, and the dynamic pressure bushing is arranged on the opening of first cavity and the dynamic pressure
The opening of cavity is connected towards the indent conical surface, the bottom of the dynamic pressure cavity with first cavity, the dynamic pressure
The cross section of cavity is gradually widened from bottom to opening.
2. dynamic pressure cone revolute pair according to claim 1, it is characterised in that：
Wherein, multiple dynamic pressure bushings are arranged on along at least one plane of arrangement on the indent conical surface, the plane of arrangement
For the plane perpendicular to the pivot centre line, the quantity of first cavity is at least 3.
3. dynamic pressure cone revolute pair according to claim 1, it is characterised in that：
Wherein, the taper of the indent conical surface is 60-150 degree, and the taper of the convex conical surface is 60-150 degree.
4. dynamic pressure cone revolute pair according to claim 2, it is characterised in that：
Wherein, the section of the dynamic pressure cavity along the plane of arrangement is in the both ends of crescent or the section along the plane of arrangement
It is wedge shaped,
The shape of the dynamic pressure cavity accent is round, ellipse, square, rectangle and it is trapezoidal in any one.
5. dynamic pressure cone revolute pair according to claim 2, it is characterised in that：
Wherein, also it is evenly arranged with a plurality of isolation channel on the indent conical surface, the isolation channel is located at adjacent two described the
Between one cavity, the elongated end of the isolation channel is intersected on the rotation axis of the rotating member,
The groove width of the isolation channel is 2-4mm, depth 2-5mm.
6. dynamic pressure cone revolute pair according to claim 4, it is characterised in that：
Wherein, the top end face of the dynamic pressure bushing is higher than the indent conical surface.
7. dynamic pressure cone revolute pair according to claim 4, it is characterised in that：
Wherein, the top end face of the dynamic pressure bushing be the arcwall face that coincide with the indent conical surface and with the indent conical surface kissing
It closes.
8. the dynamic pressure cone revolute pair described according to claim 6 or 7, it is characterised in that：
Wherein, the hollow depth of the dynamic pressure cavity is 4-8mm, and it is total that the dynamic pressure cavity total surface area accounts for the indent conical surface
The 40-60% of surface area,
Gap-ratio is 2-2.5, and the expression formula of the gap-ratio is h2/h1,
H2 is the distance of bottom and the convex conical surface of the dynamic pressure cavity, h1 be the dynamic pressure bushing top end face with it is described
The distance of convex conical surface.
9. dynamic pressure cone revolute pair according to claim 1, it is characterised in that：
Wherein, the dynamic pressure bushing is to be fixedly connected or be detachably connected with the receiving member.
10. dynamic pressure cone revolute pair according to claim 2, it is characterised in that：
Wherein, plane of arrangement described in the convex conical surface upper edge of the revolving member is provided with corresponding interior with the dynamic pressure cavity
Recessed annular groove or the annulus of evagination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404164.0A CN108167319A (en) | 2017-12-22 | 2017-12-22 | A kind of dynamic pressure cone revolute pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404164.0A CN108167319A (en) | 2017-12-22 | 2017-12-22 | A kind of dynamic pressure cone revolute pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108167319A true CN108167319A (en) | 2018-06-15 |
Family
ID=62523307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711404164.0A Withdrawn CN108167319A (en) | 2017-12-22 | 2017-12-22 | A kind of dynamic pressure cone revolute pair |
Country Status (1)
| Country | Link |
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| CN (1) | CN108167319A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2738400A1 (en) * | 1977-08-25 | 1979-03-01 | Hohenzollern Huettenverwalt | MACHINE TOOL WITH HYDROSTATICALLY MOUNTED FINE TURNING SPINDLE |
| DE102011017041A1 (en) * | 2011-04-14 | 2012-10-18 | Minebea Co., Ltd. | Conical, fluid-dynamic bearing system for use in spindle motor of storage disk drive, has two conical bearings comprising bearing cones welded and glued with fixed shaft by snug fit that is arranged on shaft |
| CN202926870U (en) * | 2012-11-16 | 2013-05-08 | 陞鸿机械股份有限公司 | Dynamic pressure bearing device |
| CN106763150A (en) * | 2017-01-09 | 2017-05-31 | 浙江大学 | Bionical structure changes trochoid spiral groove bearing |
-
2017
- 2017-12-22 CN CN201711404164.0A patent/CN108167319A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2738400A1 (en) * | 1977-08-25 | 1979-03-01 | Hohenzollern Huettenverwalt | MACHINE TOOL WITH HYDROSTATICALLY MOUNTED FINE TURNING SPINDLE |
| DE102011017041A1 (en) * | 2011-04-14 | 2012-10-18 | Minebea Co., Ltd. | Conical, fluid-dynamic bearing system for use in spindle motor of storage disk drive, has two conical bearings comprising bearing cones welded and glued with fixed shaft by snug fit that is arranged on shaft |
| CN202926870U (en) * | 2012-11-16 | 2013-05-08 | 陞鸿机械股份有限公司 | Dynamic pressure bearing device |
| CN106763150A (en) * | 2017-01-09 | 2017-05-31 | 浙江大学 | Bionical structure changes trochoid spiral groove bearing |
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Application publication date: 20180615 |