CN106438707A - Deep cave honeycomb hole system hollow cylindrical roller bearing - Google Patents
Deep cave honeycomb hole system hollow cylindrical roller bearing Download PDFInfo
- Publication number
- CN106438707A CN106438707A CN201610969391.7A CN201610969391A CN106438707A CN 106438707 A CN106438707 A CN 106438707A CN 201610969391 A CN201610969391 A CN 201610969391A CN 106438707 A CN106438707 A CN 106438707A
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- Prior art keywords
- cylindrical roller
- hole
- deep
- cave
- roller bearing
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/34—Rollers; Needles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a deep cave honeycomb hole system hollow cylindrical roller bearing. The deep cave honeycomb hole system hollow cylindrical roller bearing comprises a cylindrical roller which is formed by a deep cave hole and a middle hole and is of a deep cave hollow structure, a plurality of communication holes which are located in the scope of the deep cave hole and are equal to the middle hole in diameter are distributed on the periphery of the middle hole, and the cylindrical roller forms a honeycomb structure through the middle hole and the multiple communication holes. Preferentially, the cave hole, the middle hole and the communication holes are selected to be filled with vibration absorption materials of massive structures, and a key groove used for preventing the vibration absorption materials from sliding and rotating is formed in the hole wall of the cave hole; and arc ending sections of the two ends of the bearing are smoothly connected with a cylindrical section through a function definition transition section. The deep cave honeycomb hole system hollow cylindrical roller bearing has the beneficial effects that the middle hole and the communication holes are distributed in a honeycomb shape and are filled with the vibration absorption materials, and therefore the rigidity of the roller is improved; a transition curve of the two ends of the roller and the arc section is determined according to the function manner, the problem that curvature changes of the arc section and a straight section are not continuous is solved, the stress concentration phenomenon generated by abrupt curvature is eliminated, the bearing capacity of the roller is improved from two aspects, and the fatigue life of the roller is prolonged from two aspects.
Description
Technical field
The present invention relates to a kind of cylinder roller bearing, more particularly to a kind of deep cave honeycomb aperture system hollow cylindrical roller axle
Hold.
Background technology
Used as a kind of important basic components, the service behaviour of cylinder roller bearing directly affects the performance of plant equipment.
With plant equipment increasingly towards high accuracy, at a high speed, the direction such as heavy duty develop, the bearing capacity to cylinder roller bearing, dynamic
The requirement of performance and fatigue life is also increasingly improved.But traditional solid cylinder roller bearing exist carry precision not high, vibration
Noise is big, the problems such as easily there is fatigue under high-speed overload operating mode.Although occur in that the hollow cylindrical roller axle of different structure at present
Hold and deep cave hollow cylindrical roller bearing, the technical problem that traditional solid cylinder roller bearing can be present gives suitable degree of
Eliminate, but these versions are all using the single frame mode through type hole hole, be still difficult to solve high-speed overload operating mode
Lower inner hole wall bending stress is big, the problems such as the fatigue fracture that easily bends is failed.
Content of the invention
The purpose of the present invention is aiming at the deficiencies in the prior art, provides a kind of deep cave honeycomb aperture system hollow cylindrical roller
Bearing, the bearing is in the poroid layout of honeycomb through type cavity, has merged the advantage of hollow-core construction and deep cave hollow-core construction, has increased
The space of radiating and lubrication oil；And the high characteristic of structural strength using honeycomb texture, dispersion and to reduce perforation inwall curved
Transverse stress, improves fatigue life.
For achieving the above object, the present invention is adopted the following technical scheme that.
A kind of deep cave honeycomb aperture system hollow cylindrical roller bearing, including forming the hollow knot in deep cave by deep cavities and mesopore
The cylindrical roller of structure, mesopore peripheral distribution has in the range of deep cavities, and the multiple intercommunicating pores isometrical with mesopore, cylindrical roller
Alveolate texture is formed by mesopore and multiple intercommunicating pores.
Using the present invention of preceding solution, in the middle part of roller, honeycomb is formed by mesopore and the intercommunicating pore isometrical with mesopore
Shape structure.Which has not only merged the advantage of hollow-core construction and deep cave hollow-core construction, increased the space of radiating and lubrication oil；
And the high characteristic of structural strength using honeycomb texture, dispersion and reduce perforation inwall bending stress, improve fatigue life.
Preferably, the deep cavities is the one kind in straight hole, taper hole and circular hole.To provide multiple choices form, with root
According to the diameter of roller, length, adapt to bearing load scope, fatigue life requirements etc. specifically chosen.
Preferably, the cavities, mesopore and intercommunicating pore three are all filled by vibration-absorbing material.In the hole system of bearing roller
Filling vibration-absorbing material, improves the stressing conditions inside hole and stress distribution, improves the bearing capacity of roller, is improving axle
While holding fatigue life, also there is certain buffering vibration absorption ability, be conducive to improving the vibration noise level of bearing.
It is further preferred that the vibration-absorbing material that fills in the cavities, mesopore and intercommunicating pore three is in overall structure.Pass through
Obturator is formed one, improves roller rigidity, improve bearing capacity and the fatigue life of roller further.
It is further preferred that the keyway being formed with the hole wall of the cavities for preventing vibration-absorbing material from trackslipping.To pass through
Antislip keyway improve relative between obturator and roller body trackslip, improve rigidity therebetween, further raising roller
Bearing capacity and fatigue life.
It is further preferred that the vibration-absorbing material includes one or more in politef, nylon and silicone rubber.With
The material with some strength, rigidity and vibration absorbing performance in current material field is made full use of, is easy to direct buying, saving is ground
System, development cost are more.
It is further preferred that the cylindrical roller two ends are finished up by symmetrically arranged arc section, arc section and cylindrical section
It is smoothly connected by changeover portion；The changeover portion is defined as：In the X-Y plane with cylindrical roller central axis as X-axis, position
It is X=l in the central coordinate of circle of the cylindrical section outer end arc section of X value augment direction1, Y=0, the contour line of arc section and cylindrical section
By constituting curve f (x) the transition connection of changeover portion, the equation expression formula of curve f (x) is：
Wherein, H, L are obtained by below equation simultaneous solution：
In formula：X for curve f (x) abscissa, and with cylindrical roller central axes；D is cylindrical roller diameter；l1
Abscissa for the circular arc center of circle of finishing up；l2Absolute value for f (x) origin of curve and terminal Diff E；H is curve f (x) starting point
Absolute value with terminal Diff N；H is the peak-to-peak value of curve f (x), and L is curve f (x) cycle.To overcome arc section and straight line
The discontinuous problem of section Curvature varying, eliminates the stress concentration phenomenon that straightway and arc section are present because of curvature mutation.
The invention has the beneficial effects as follows, by roller mesopore and intercommunicating pore are set to isometrical cellular distribution, and
One or more in two ends depth cave, mesopore and the tetrafluoroethene for connecting in the hole filling absorbing, nylon and silicone rubber；Improve
Roller rigidity, improves bearing capacity and the fatigue life of roller；Meanwhile, roller two ends and the circular arc for being determined by function fashion
The easement curve of section, overcomes arc section and the discontinuous problem of straightway Curvature varying, eliminates straightway and arc section because of curvature
The stress concentration phenomenon for being mutated and existing；Bearing capacity and the fatigue life of roller are improve from other side.
Description of the drawings
Fig. 1 is the structural representation axonometric drawing of embodiment 1 in the present invention.
Fig. 2 is structural representation of the embodiment 1 without obturator in the present invention.
Fig. 3 is the left view of Fig. 2 of the present invention.
Fig. 4 is structural representation of the embodiment 1 comprising obturator in the present invention.
Fig. 5 is the floor map of outer contour in the present invention.
Fig. 6 is structural representation of the embodiment 2 without obturator in the present invention.
Fig. 7 is structural representation of the embodiment 3 without obturator in the present invention.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings, but does not therefore limit the present invention to described enforcement
Among example scope.
Embodiment 1, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of deep cave honeycomb aperture system hollow cylindrical roller bearing, bag
Include the cylindrical roller that deep cave hollow-core construction is formed by deep cavities 1 and mesopore 2,2 peripheral distribution of mesopore has positioned at 1 scope of deep cavities
Interior and isometrical with mesopore 2 multiple intercommunicating pores 3, cylindrical roller forms alveolate texture by mesopore 2 and multiple intercommunicating pores 3.Its
In, deep cavities 1 is straight hole；The keyway 4 being formed with the hole wall of cavities 1 for preventing vibration-absorbing material from trackslipping；Cavities 1,2 and of mesopore
Intercommunicating pore 3 three is all filled by vibration-absorbing material, and the vibration-absorbing material that fills in three is in overall structure；Vibration-absorbing material includes to gather
One or more in tetrafluoroethene, nylon and silicone rubber.
Wherein, cylindrical roller two ends are finished up by symmetrically arranged arc section, and arc section passes through changeover portion light with cylindrical section
Slip；Changeover portion is defined as：In the X-Y plane with cylindrical roller central axis as X-axis, positioned at X value augment direction
The central coordinate of circle of cylindrical section outer end arc section is X=l1, Y=0, arc section passes through to constitute changeover portion with the contour line of cylindrical section
Curve f (x) transition connects, and the equation expression formula of curve f (x) is：
Wherein, H, L are obtained by below equation simultaneous solution：
In formula：X for curve f (x) abscissa, and with cylindrical roller central axes；D is cylindrical roller diameter；l1
Abscissa for the circular arc center of circle of finishing up；l2Absolute value for f (x) origin of curve and terminal Diff E；H is curve f (x) starting point
Absolute value with terminal Diff N；H is the peak-to-peak value of curve f (x), and L is curve f (x) cycle.
Embodiment 2, referring to Fig. 5, wherein, deep cavities 1 is the hole wall that the conical surface of taper hole, the taper hole constitutes deep cavities 1, and bores
The big end in hole is outwardly.
Remaining structure of the present embodiment is same as Example 1, will not be described here.
Embodiment 3, referring to Fig. 6, wherein, deep cavities 1 is the hole that the arc surface of circular hole, the circular hole constitutes deep cavities 1
Wall.
Remaining structure of the present embodiment is same as Example 1, will not be described here.
The preferred embodiment of the present invention described in detail above.It should be appreciated that one of ordinary skill in the art is no
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technology in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (7)
1. a kind of deep cave honeycomb aperture system hollow cylindrical roller bearing, empty including forming deep cave by deep cavities (1) and mesopore (2)
The cylindrical roller of core structure, it is characterised in that mesopore (2) peripheral distribution has in the range of deep cavities (1), and and mesopore
(2) isometrical multiple intercommunicating pores (3), cylindrical roller forms alveolate texture by mesopore (2) and multiple intercommunicating pores (3).
2. deep cave honeycomb aperture system hollow cylindrical roller bearing according to claim 1, it is characterised in that the deep cavities
(1) be straight hole, the one kind in taper hole and circular hole.
3. deep cave honeycomb aperture system hollow cylindrical roller bearing according to claim 1, it is characterised in that the cavities
(1), mesopore (2) and intercommunicating pore (3) three are all filled by vibration-absorbing material.
4. deep cave honeycomb aperture system hollow cylindrical roller bearing according to claim 3, it is characterised in that the cavities
(1), the vibration-absorbing material that fills in mesopore (2) and intercommunicating pore (3) three is in overall structure.
5. deep cave honeycomb aperture system hollow cylindrical roller bearing according to claim 3, it is characterised in that the cavities
(1) keyway (4) being formed with hole wall for preventing vibration-absorbing material from trackslipping.
6. deep cave honeycomb aperture system hollow cylindrical roller bearing according to claim 3, it is characterised in that the absorbing material
Material includes one or more in politef, nylon and silicone rubber.
7. the deep cave honeycomb aperture system hollow cylindrical roller bearing according to any one in claim 1～6, its feature exists
In the cylindrical roller two ends are finished up by symmetrically arranged arc section, and arc section is smoothly connected by changeover portion with cylindrical section；
The changeover portion is defined as：In the X-Y plane with cylindrical roller central axis as X-axis, positioned at the cylinder of X value augment direction
The central coordinate of circle of section outer end arc section is X=l1, Y=0, arc section passes through to constitute the curve of changeover portion with the contour line of cylindrical section
F (x) transition connects, and the equation expression formula of curve f (x) is：
Wherein, H, L are obtained by below equation simultaneous solution：
In formula：X for curve f (x) abscissa, and with cylindrical roller central axes；D is cylindrical roller diameter；l1For ending
The abscissa in the circular arc center of circle；l2Absolute value for f (x) origin of curve and terminal Diff E；H is curve f (x) Origin And Destination
The absolute value of Diff N；H is the peak-to-peak value of curve f (x), and L is curve f (x) cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969391.7A CN106438707A (en) | 2016-11-01 | 2016-11-01 | Deep cave honeycomb hole system hollow cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969391.7A CN106438707A (en) | 2016-11-01 | 2016-11-01 | Deep cave honeycomb hole system hollow cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438707A true CN106438707A (en) | 2017-02-22 |
Family
ID=58179588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610969391.7A Pending CN106438707A (en) | 2016-11-01 | 2016-11-01 | Deep cave honeycomb hole system hollow cylindrical roller bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN106438707A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593142A (en) * | 2022-02-11 | 2022-06-07 | 长春电子科技学院 | Combined roller structure, roller, high-end bearing and high-end equipment |
| CN114754072A (en) * | 2022-02-11 | 2022-07-15 | 长春电子科技学院 | Roller, high-precision bearing and high-end equipment |
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| CN2560786Y (en) * | 2002-08-10 | 2003-07-16 | 大连铁道学院 | Deep-hole hollow roller bearing |
| JP2005023997A (en) * | 2003-07-01 | 2005-01-27 | Koyo Seiko Co Ltd | Roller and roller bearing |
| CN201103619Y (en) * | 2007-10-22 | 2008-08-20 | 中机洛阳轴承科技有限公司 | Hollow roller for extra-large size bearing |
| CN201513465U (en) * | 2009-09-30 | 2010-06-23 | 六安滚动轴承有限公司 | Hollow cylindrical roller bearing |
| CN101761551A (en) * | 2009-11-19 | 2010-06-30 | 唐秀庚 | Light cylindrical roller bearing |
| CN201934514U (en) * | 2010-11-09 | 2011-08-17 | 大连交通大学 | Hollow roller bearing |
| CN202091366U (en) * | 2011-05-25 | 2011-12-28 | 河南三维重工有限公司 | Hollow roller for bearing |
| CN102644663A (en) * | 2012-04-26 | 2012-08-22 | 北京石油化工学院 | Cylindrical roller multi-circular-arc variable curvature profile engineering simulation method |
| CN102678757A (en) * | 2012-05-31 | 2012-09-19 | 中国人民解放军国防科学技术大学 | Filling type roller and roller bearing based on same |
| CN103810354A (en) * | 2014-03-11 | 2014-05-21 | 大连交通大学 | Optimal design method for logarithm shaping curve of cylindrical roller bearing |
| CN103940314A (en) * | 2014-04-17 | 2014-07-23 | 湖南工业大学 | Detection tool and method special for machining deep hole in elastic composite cylindrical roller |
-
2016
- 2016-11-01 CN CN201610969391.7A patent/CN106438707A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2560786Y (en) * | 2002-08-10 | 2003-07-16 | 大连铁道学院 | Deep-hole hollow roller bearing |
| JP2005023997A (en) * | 2003-07-01 | 2005-01-27 | Koyo Seiko Co Ltd | Roller and roller bearing |
| CN201103619Y (en) * | 2007-10-22 | 2008-08-20 | 中机洛阳轴承科技有限公司 | Hollow roller for extra-large size bearing |
| CN201513465U (en) * | 2009-09-30 | 2010-06-23 | 六安滚动轴承有限公司 | Hollow cylindrical roller bearing |
| CN101761551A (en) * | 2009-11-19 | 2010-06-30 | 唐秀庚 | Light cylindrical roller bearing |
| CN201934514U (en) * | 2010-11-09 | 2011-08-17 | 大连交通大学 | Hollow roller bearing |
| CN202091366U (en) * | 2011-05-25 | 2011-12-28 | 河南三维重工有限公司 | Hollow roller for bearing |
| CN102644663A (en) * | 2012-04-26 | 2012-08-22 | 北京石油化工学院 | Cylindrical roller multi-circular-arc variable curvature profile engineering simulation method |
| CN102678757A (en) * | 2012-05-31 | 2012-09-19 | 中国人民解放军国防科学技术大学 | Filling type roller and roller bearing based on same |
| CN103810354A (en) * | 2014-03-11 | 2014-05-21 | 大连交通大学 | Optimal design method for logarithm shaping curve of cylindrical roller bearing |
| CN103940314A (en) * | 2014-04-17 | 2014-07-23 | 湖南工业大学 | Detection tool and method special for machining deep hole in elastic composite cylindrical roller |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593142A (en) * | 2022-02-11 | 2022-06-07 | 长春电子科技学院 | Combined roller structure, roller, high-end bearing and high-end equipment |
| CN114754072A (en) * | 2022-02-11 | 2022-07-15 | 长春电子科技学院 | Roller, high-precision bearing and high-end equipment |
| CN114754072B (en) * | 2022-02-11 | 2023-09-22 | 长春电子科技学院 | Roller, high-precision bearing and high-end equipment |
| CN114593142B (en) * | 2022-02-11 | 2023-09-22 | 长春电子科技学院 | Combined roller structure, roller, high-end bearing and high-end equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |