CN105840661A - Cylindrical roller bearing - Google Patents
Cylindrical roller bearing Download PDFInfo
- Publication number
- CN105840661A CN105840661A CN201510014724.6A CN201510014724A CN105840661A CN 105840661 A CN105840661 A CN 105840661A CN 201510014724 A CN201510014724 A CN 201510014724A CN 105840661 A CN105840661 A CN 105840661A
- Authority
- CN
- China
- Prior art keywords
- roller bearing
- arc section
- cylinder roller
- inner ring
- outer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F16C33/37—Loose spacing bodies
- F16C33/3706—Loose spacing bodies with concave surfaces conforming to the shape of the rolling elements, e.g. the spacing bodies are in sliding contact with the rolling elements
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
- F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/40—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings with loose spacing bodies between the rollers
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
-
- 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
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
-
- 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
-
- 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
- F16C39/00—Relieving load on bearings
- F16C39/02—Relieving load on bearings using mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a cylindrical roller bearing, which comprises an inner ring, an outer ring arranged in the radial direction of the cylindrical roller bearing outside the inner ring, rollers arranged in the radial direction of the cylindrical roller bearing between the outer ring and the inner ring, and a holder arranged in the radial direction of the cylindrical roller bearing also between the outer ring and the inner ring for holding the rollers. The holder is characterized by comprising a plurality of separate arc segments, which are concentrically arranged relative to the inner and outer rings. A corresponding roller is located between two neighbor arc segments, a first space is formed between the outer ring and the arc segments, and a second space is formed between the inner ring and the arc segments. Through the cylindrical roller bearing, without increase of the whole size of the bearing, the ability of the bearing to bear an extreme impact load is improved.
Description
Technical field
The present invention relates to a kind of cylinder roller bearing.
Background technology
It is known in the art that cylinder roller bearing usually bears high load capacity, and energy
Enough stand high speed rotating, and it has relatively low operation friction, so cylinder roller bearing quilt
It is widely used in manufacturing industry, railway, wind power plant, automobile, even aero-engine etc.
In Deng.
Figure 1A and Figure 1B shows a kind of traditional cylinder roller bearing, and wherein Figure 1A is to show
Go out the cross-sectional schematic of the section that the radially direction of traditional cylinder roller bearing is cut open,
And Figure 1B shows the schematic perspective view of traditional cylinder roller bearing.Such as Figure 1A and Figure 1B
Shown in, traditional cylinder roller bearing includes inner ring 1 ', outer ring 2 ', roller 4 ' and retainer
3 ', wherein retainer 3 ' is integrally formed, and is formed with multiple pocket hole in retainer 3 ', uses
In accommodating roller 4 '.
In some application scenarios, such as in the rolling mill of cutting steel plate, it is generally the case that
Bearing needs to bear normal duty, but when temporary impact load occurs, bearing is also required to hold
By this temporary impact load.In this case, in order to prevent bearing portions from bearing at critical shock
Lost efficacy under lotus effect, it has to select to constitute bearing by bigger size.This will lead
Cause the maximization of the size of bearing, thus cause the maximization of integral device, thus be unfavorable for shape
Become compact plant equipment.
Summary of the invention
In view of the above-mentioned technical problem of prior art, it is an object of the invention to develop a kind of cylinder
Roller bearing, what it can improve bearing in the case of the overall dimensions not increasing bearing bears pole
The ability of end impact load effect.
The invention provides a kind of cylinder roller bearing, comprising:
Inner ring；
Outer ring, described outer ring is positioned at described inner ring in the radial direction at described cylinder roller bearing
Outside；
Roller, described roller is positioned at described outer ring in the radial direction at described cylinder roller bearing
And between described inner ring；And
Retainer, described retainer also is located at institute in the radial direction at described cylinder roller bearing
State between outer ring and described inner ring, and be used for keeping described roller,
It is characterized in that,
Described retainer is made up of the arc section of multiple separation, the arc section phase of the plurality of separation
Described inner ring and described outer ring are disposed concentrically upon, and arrange between two adjacent arc sections
A corresponding roller, is wherein provided with the first gap between described outer ring and described arc section,
And between described inner ring and described arc section, it is provided with the second gap.
Preferably, described arc section has outer circumferential surface at its radial outside, outside this
Circumferential surface is positioned opposite with the inner peripheral surface of described outer ring；And described arc section is at it radially
Inner side has inside circumferential surface, and this inside circumferential surface is relative with the outer surface of described inner ring
Arrange；And described arc section has two arcuate side surface, this curved side in its circumference both sides
Surface is for interacting with described roller；And described arc section axially both sides also have
The side surface of two planes, the side surface of this plane faces the outside of described cylinder roller bearing.
According to one embodiment of the present invention, described arc section can be solid.
According to another embodiment of the invention, described arc section can be hollow body.
Preferably, described circular arc is removed by the axial direction along described cylinder roller bearing
The material of the mid portion of section, and form described hollow body.
Preferably, described cylinder roller bearing be designed to described cylinder roller bearing expection want
The load born is the highest, and the circumferential size of the most described arc section is the least and the number of described roller
The most.
Cylinder roller bearing according to the present invention can be in the case of the overall dimensions not increasing bearing
Improve the ability bearing critical shock load effect of bearing.Specifically, apply when impact load
Time on bearing, the inside circumferential surface of the arc section of retainer can contact with described inner ring,
And the outer circumferential surface of the arc section of retainer can contact with described outer ring, thus keeping
Form face contact between frame and described inner ring, and between retainer and described outer ring, also form face
Contact.So, compared to the cylinder roller bearing being only capable of forming linear contact lay of the prior art,
Contact pressure in the cylinder roller bearing of the present invention is the least.Thus this design is permissible
Prevent bearing owing to being lost efficacy by impact load.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of embodiments of the invention, below will be to embodiment
In description, the required accompanying drawing used is briefly described.
Figure 1A shows the section the radially direction of traditional cylinder roller bearing cut open
Cross-sectional schematic.
Figure 1B shows the schematic perspective view of traditional cylinder roller bearing.
Fig. 2 A shows the entirety of cylinder roller bearing according to an embodiment of the invention
The schematic perspective view of structure.
Fig. 2 B shows an arc section of the retainer in the cylinder roller bearing in Fig. 2 A
The enlarged diagram of structure.
Fig. 3 shows the side view of cylinder roller bearing according to an embodiment of the invention.
Fig. 4 shows the retainer of hollow body form according to an embodiment of the invention
The schematic perspective view of arc section.
Fig. 5 shows the cylinder rolling with more roller according to an embodiment of the invention
The schematic perspective view of sub-bearing.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below will knot
Close the accompanying drawing in embodiments of the invention, the technical scheme in embodiments of the invention is carried out clearly
Chu, it is fully described by.
The invention mainly relates to the improvement of the structure of retainer in cylinder roller bearing.
Fig. 2 A shows the entirety of cylinder roller bearing according to an embodiment of the invention
The schematic perspective view of structure.Fig. 2 B shows the holding in the cylinder roller bearing in Fig. 2 A
The enlarged diagram of the structure of one arc section of frame.
As shown in Figure 2 A and 2 B, the cylinder roller bearing of the present invention includes: inner ring 1；Outward
Circle 2, described outer ring 2 is positioned at described inner ring 1 in the radial direction at described cylinder roller bearing
Outside；Roller 4, described roller 4 is described in being positioned in the radial direction of described cylinder roller bearing
Between outer ring 2 and described inner ring 1；And retainer 3, described retainer 3 rolls at described cylinder
Also being located in the radial direction between described outer ring 2 and described inner ring 1 of sub-bearing, and be used for
Keep described roller 4.
In the present invention, described retainer 3 is made up of the arc section 5 of multiple separation, described many
The arc section 5 of individual separation is disposed concentrically upon relative to described inner ring 1 and described outer ring 2, and two
A corresponding roller 4 is set between individual adjacent arc section 5.
As shown in Figure 2 B, arc section 5 entirety of described retainer 3 is the shape of one section of circular arc body.
Arc section 5 has outer circumferential surface at its radial outside, this outer circumferential surface and outer ring 2
Inner peripheral surface positioned opposite；Arc section 5 has inside circumferential surface at its radially inner side, should
Inside circumferential surface is positioned opposite with the outer surface of inner ring 1.Arc section 5 is in its circumference both sides
Having two arcuate side surface, this arcuate side surface is for interacting with roller 4.Arc section 5
Axially both sides also have dihedral side surface, and the side surface of this plane faces cylinder rolling
The outside of sub-bearing.
Fig. 3 shows the side view of cylinder roller bearing according to an embodiment of the invention.
As it is shown on figure 3, be provided with the first gap S 1 between described outer ring 2 and described arc section 5,
And between described inner ring 1 and described arc section 5, it is provided with the second gap S2.
This means in the case of the cylinder roller bearing of the present invention bears normal duty, described
Outer ring 2 does not contacts with described arc section 5, and described inner ring 1 and described arc section 5 do not connect
Touch.Such design makes bearing will not produce big friction properly functioning when.And work as
The when that cylinder roller bearing bearing critical shock load, the arc section 5 of retainer 3 can be with
Described inner ring 1 contacts with described outer ring 2, thus the arc section 5 of retainer 3 is also subjected to impact
Load.
In the present invention, described arc section 5 can be solid.In this case, it is possible to carry
The intensity of high retainer 3.
It addition, for the weight reducing whole bearing, described arc section 5 may be designed in sky
Heart body.Fig. 4 shows the retainer of hollow body form according to an embodiment of the invention
The schematic perspective view of arc section.As shown in Figure 4, in one embodiment of the invention, can
With the pars intermedia by removing described arc section 5 along the axial direction of described cylinder roller bearing
The material divided, and form described hollow body.The arc section being thusly-formed is not exclusively solid,
Most of material of intermediate portion is already cut off such that it is able to reduce the weight of retainer.
Thus, the overall weight of bearing also can greatly be reduced.
In the present invention, described cylinder roller bearing can be designed as described cylinder roller bearing
Expection load to be born is the highest, and the circumferential size of the most described arc section 5 is the least and described rolling
The number of son 4 is the most.Fig. 5 shows according to an embodiment of the invention to be had relatively
The schematic perspective view of the cylinder roller bearing of many rollers.I.e., in the present invention, when according to bearing
Special-purpose when design this bearing, retainer can be changed according to its particular use
In the number of arc section.It is normal that the parameter of this design institute foundation can be consequently exerted on bearing
Load and the size of critical shock load.
Compared to the cylinder roller bearing of prior art, the cylinder roller bearing of the present invention have with
Lower advantage:
In heavy industrial applications occasion, when impact load is applied on bearing, such as Fig. 2 and Fig. 3
Shown in, the inside circumferential surface of the arc section 5 of retainer 3 can contact with described inner ring 1,
And the outer circumferential surface of the arc section 5 of retainer 3 can contact with described outer ring 2, thus
Face contact is formed between retainer 3 and described inner ring 1, and in retainer 3 and described outer ring 2
Between also formed face contact.And in the cylinder roller bearing of prior art, in the feelings of impact load
Under condition, it is only capable of forming the linear contact lay between cylindrical roller 4 and inner ring 1 and cylindrical roller 4 with outer
Linear contact lay between circle 2.The contact of the face contact formed in the cylinder roller bearing of the present invention
The contact area of the common linear contact lay of area ratio is much bigger.So, compared to of the prior art
It is only capable of being formed the cylinder roller bearing of linear contact lay, the contact in cylinder roller bearing in the present invention
Pressure is the least.Thus this design is possible to prevent bearing owing to being lost by impact load
Effect.
The above is only some specific embodiments of the present invention.It should be pointed out that, for this technology
For the those of ordinary skill in field, without departing from the present invention principle and design on the premise of,
Above-described embodiment can also be carried out various combination or make some improvement and modification, these combinations,
Improve and modification also should be regarded as within protection scope of the present invention and design.
Claims (6)
1. a cylinder roller bearing, including:
Inner ring (1)；
Outer ring (2), described outer ring (2) are upper in the radial direction of described cylinder roller bearing
Outside in described inner ring (1)；
Roller (4), described roller (4) is upper in the radial direction of described cylinder roller bearing
Between described outer ring (2) and described inner ring (1)；And
Retainer (3), described retainer (3) is in the radial direction of described cylinder roller bearing
On also be located between described outer ring (2) and described inner ring (1), and be used for keeping described rolling
Son (4),
It is characterized in that,
Described retainer (3) is made up of the arc section (5) of multiple separation, the plurality of separation
Arc section (5) be disposed concentrically upon relative to described inner ring (1) and described outer ring (2), and
A corresponding roller (4) is set between two adjacent arc sections (5), wherein outside described
It is provided with the first gap (S 1) between circle (2) and described arc section (5), and in described
It is provided with the second gap (S2) between circle (1) and described arc section (5).
Cylinder roller bearing the most according to claim 1, it is characterised in that
Described arc section (5) has outer circumferential surface at its radial outside, this outer circumference table
Face is positioned opposite with the inner peripheral surface of described outer ring (2)；And described arc section (5) is at it
Radially inner side has inside circumferential surface, this inside circumferential surface and the periphery of described inner ring (1)
Surface is positioned opposite；And described arc section (5) has two curved side tables in its circumference both sides
Face, this arcuate side surface is for interacting with described roller (4)；And described arc section (5)
Axially both sides also have dihedral side surface, and the side surface of this plane faces described circle
The outside of post roller bearing.
Cylinder roller bearing the most according to claim 1 and 2, it is characterised in that
Described arc section (5) is solid.
Cylinder roller bearing the most according to claim 1 and 2, it is characterised in that
Described arc section (5) is hollow body.
Cylinder roller bearing the most according to claim 1 and 2, it is characterised in that
Removed in described arc section (5) by the axial direction along described cylinder roller bearing
Between the material of part, and form described hollow body.
Cylinder roller bearing the most according to claim 1 and 2, it is characterised in that
Described cylinder roller bearing is designed to the load that the expection of described cylinder roller bearing is to be born
The highest, the circumferential size of the most described arc section (5) is the least and the number of described roller (4)
The most.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014724.6A CN105840661B (en) | 2015-01-12 | 2015-01-12 | Cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014724.6A CN105840661B (en) | 2015-01-12 | 2015-01-12 | Cylindrical roller bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840661A true CN105840661A (en) | 2016-08-10 |
| CN105840661B CN105840661B (en) | 2020-09-01 |
Family
ID=57178098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510014724.6A Active CN105840661B (en) | 2015-01-12 | 2015-01-12 | Cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840661B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654119A (en) * | 2019-01-09 | 2019-04-19 | 哈尔滨理工大学 | Cylinder permanent magnet roller self-dispersing bearing |
| CN114850779A (en) * | 2022-06-10 | 2022-08-05 | 山东蓝鲸复合材料科技有限公司 | Repairing method of crosshead bearing and crosshead bearing |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2298683A (en) * | 1995-03-09 | 1996-09-11 | Skf Gmbh | Pocket cage for roller bearing |
| JP2008185132A (en) * | 2007-01-30 | 2008-08-14 | Jtekt Corp | Roller with cage |
| CN101634339A (en) * | 2008-07-26 | 2010-01-27 | Skf公司 | Rolling bearing retainer |
| CN201416601Y (en) * | 2009-06-12 | 2010-03-03 | 浙江万诚风电装备制造有限公司 | Isolation block of slewing bearing |
| CN202073927U (en) * | 2011-04-22 | 2011-12-14 | 洛阳美航汽车零部件有限公司 | Bearing isolation block |
| CN102317637A (en) * | 2009-02-05 | 2012-01-11 | Skf公司 | Cage pour palier a roulement |
| CN102356247A (en) * | 2009-03-07 | 2012-02-15 | 维尔纳·博伊勒因 | Roller bearing comprising segmented cage |
| CN103403377A (en) * | 2010-12-27 | 2013-11-20 | 迪姆肯公司 | Segmented bearing retainer for wire support rings |
| CN103758872A (en) * | 2014-01-16 | 2014-04-30 | 兰州空间技术物理研究所 | Solid lubrication thin-wall bearing with segmented self-lubricating holder |
| CN203685846U (en) * | 2014-01-08 | 2014-07-02 | 衢州职业技术学院 | Ball bearing |
-
2015
- 2015-01-12 CN CN201510014724.6A patent/CN105840661B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2298683A (en) * | 1995-03-09 | 1996-09-11 | Skf Gmbh | Pocket cage for roller bearing |
| JP2008185132A (en) * | 2007-01-30 | 2008-08-14 | Jtekt Corp | Roller with cage |
| CN101634339A (en) * | 2008-07-26 | 2010-01-27 | Skf公司 | Rolling bearing retainer |
| CN102317637A (en) * | 2009-02-05 | 2012-01-11 | Skf公司 | Cage pour palier a roulement |
| CN102356247A (en) * | 2009-03-07 | 2012-02-15 | 维尔纳·博伊勒因 | Roller bearing comprising segmented cage |
| CN201416601Y (en) * | 2009-06-12 | 2010-03-03 | 浙江万诚风电装备制造有限公司 | Isolation block of slewing bearing |
| CN103403377A (en) * | 2010-12-27 | 2013-11-20 | 迪姆肯公司 | Segmented bearing retainer for wire support rings |
| CN202073927U (en) * | 2011-04-22 | 2011-12-14 | 洛阳美航汽车零部件有限公司 | Bearing isolation block |
| CN203685846U (en) * | 2014-01-08 | 2014-07-02 | 衢州职业技术学院 | Ball bearing |
| CN103758872A (en) * | 2014-01-16 | 2014-04-30 | 兰州空间技术物理研究所 | Solid lubrication thin-wall bearing with segmented self-lubricating holder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654119A (en) * | 2019-01-09 | 2019-04-19 | 哈尔滨理工大学 | Cylinder permanent magnet roller self-dispersing bearing |
| CN114850779A (en) * | 2022-06-10 | 2022-08-05 | 山东蓝鲸复合材料科技有限公司 | Repairing method of crosshead bearing and crosshead bearing |
| CN114850779B (en) * | 2022-06-10 | 2023-09-19 | 山东蓝鲸复合材料科技有限公司 | Repairing method of cross head bearing and cross head bearing thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105840661B (en) | 2020-09-01 |
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