CN108194513A - A kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel - Google Patents
A kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel Download PDFInfo
- Publication number
- CN108194513A CN108194513A CN201711353656.1A CN201711353656A CN108194513A CN 108194513 A CN108194513 A CN 108194513A CN 201711353656 A CN201711353656 A CN 201711353656A CN 108194513 A CN108194513 A CN 108194513A
- Authority
- CN
- China
- Prior art keywords
- retainer
- sealing ring
- detachable
- bearing
- buoy type
- 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.)
- Pending
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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
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
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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
- F16C33/38—Ball cages
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
Abstract
A kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel, including：Bearing inner race, bearing outer ring, the detachable retainer of roller are arranged between bearing inner race and bearing outer ring, and roller swimming life-buoy type bathing sealing ring is set in the pocket hole of detachable retainer, is arranged on bearing both sides；Pressurized reservoir is connected with swimming life-buoy type bathing sealing ring by fuel tank solenoid valve, is connected with force (forcing) pump；Fuel tank solenoid valve is arranged on the downside of pressurized reservoir babinet, is electrically connected with external control group；Force (forcing) pump is connected with pressurized reservoir, is connected with swimming life-buoy type bathing sealing ring；External control group is electrically connected with fuel tank solenoid valve, force (forcing) pump and swimming life-buoy type bathing sealing ring.Can occur wearing or damage opening detachable retainer in some composition parts of rolling bearing using detachable retainer and abrasion or damaged location are replaced without whole replacement；Sealing ring, which is equipped with self-lubricating device, can maintain Bearing inner oil pressure to stablize extension bearing service life.
Description
Technical field
The present invention relates to rolling bearings peculiar to vessel, and in particular to a kind of large-scale detachable and self-lubricating axis of rolling peculiar to vessel installs
It puts.
Background technology
Rolling bearing is generally made of inner ring, outer ring, rolling element and retainer, while is used as a kind of national standard part,
High precision machining, intensity is big, in fields extensive applications such as agricultural, industry and ships.The retainer one of rolling bearing at present
As using rivet interlacement, retainer generates connecting staggered due to vibration in order to prevent, the rivet interlacement generally using interference fit,
Belong to non-dismountable connection.Once some composition parts of rolling bearing occur wearing or damage, entire rolling bearing is necessary
Integral replacing causes the wasting of resources, also limits the application of rolling bearing.But maintenance of the bearing in usually use is very
It is important, and be a wherein critically important link to the lubrication of bearing, many bearings lead to axis since it lubricates insufficient
Hold abrasion.
Lubricating grease generally using grease lubrication, after machining, can be added rolling element and keep it by rolling bearing
Between, it is then imbedded in outer ring, can not often dismantled, otherwise lubricating grease is easily revealed, and causes lubricating grease stream with sealing ring closing
The problems such as losing, causing rolling bearing excessive wear and environmental pollution.
Chinese 101975226 A of publication CN, publication date on February 16th, 2011, denomination of invention self-lubricating
Bearing discloses a kind of self-lubricating bearing, including bearing inner race, bearing outer ring and the rolling being folded between bearing internal external circle
Kinetoplast, bearing inner race and bearing outer ring offer raceway groove, the bearing outer ring channel and axis respectively with rolling element contact portion
It holds bear inner ring grooved railway surface and is equipped with one layer of diamond film layer, the thickness H of the diamond film layer is 0.55 μm≤H.
But its shortcoming is not have self-lubricating structure and cannot freely dismantle bearing to bearing, diamond film layer
It makes trouble and is not easy to actual production.
Invention content
Generally work as certain of rolling bearing using rivet interlacement the present invention be directed to existing large size bearing apparatus support peculiar to vessel
A composition parts occur wearing or damages and cannot repair, and devise that a kind of retainer is detachable and the axis of rolling of energy self-lubricating
It holds.
A kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel, including：Bearing inner race, bearing outer ring, roller
Detachable retainer, is arranged between bearing inner race and bearing outer ring, and roller swimming life-buoy type bathing is set in the pocket hole of detachable retainer
Sealing ring is arranged on bearing both sides；Pressurized reservoir is connected with swimming life-buoy type bathing sealing ring by fuel tank solenoid valve, is connected with force (forcing) pump；
Fuel tank solenoid valve is arranged on the downside of pressurized reservoir babinet, is electrically connected with external control group；Force (forcing) pump is connected with pressurized reservoir, with
Swimming life-buoy type bathing sealing ring connects；External control group is electrically connected with fuel tank solenoid valve, force (forcing) pump and swimming life-buoy type bathing sealing ring.
During using lubricating grease as lubricant, external force (forcing) pump, which can provide pressure, enables lubricating grease smoothly to pass through
Swimming life-buoy type bathing sealing ring enters in bearing the position for needing to add lubricating grease.
Preferably, the detachable retainer, including：Upper half formula retainer, installation opposite with lower half formula retainer,
Lower half formula retainer is provided with fixing bolt corresponding section and is provided with through-hole；Lower half formula retainer, with upper half formula retainer phase
To installation, it is fixedly connected with fixing bolt；Several traveling nuts are arranged above upper half formula retainer through-hole, with lower half formula
Retainer and fixing bolt cooperating；Several fixing bolts, it is upward to be arranged on bolt direction on the downside of lower half formula retainer, with
Traveling nut cooperating.
Retainer can be prevented because of vibration to generate connecting staggered by spiro connection structure using upper and lower two and half retainer；It can
Dismantling the design of retainer can be protected when failure occurs by unlocking spiro connection structure to detach upper half formula retainer and lower half formula
Hold frame and avoided to take out trouble unit by replacing the operation of component the operation of original whole replacement bearing.
Preferably, the spacing between the detachable retainer pocket hole should be greater than 3cm, less than 7cm.
Preferably, the upper half formula retainer should be equal with lower half formula retainer pocket hole radius of curvature.Equal song
Rate radius is placed on when can ensure in party's spiro connection structure connection and the roller in the pocket hole of two and half retainers composition can be tieed up
Hold original preset fixed route.
Preferably, the upper half formula retainer is additionally provided with gasket groove for installing spring shim.Make spring pad
Piece can partly bury the amount that the gap between lubricant grease intrusion spring shim and retainer is reduced in detachable retainer.
Preferably, the swimming life-buoy type bathing sealing ring rectangular cross-section, interior to be equipped with annular shoe cream room.
Preferably, the swimming life-buoy type bathing sealing ring rectangular cross-section, further includes：Fuel tap unidirectionally is filled out, is arranged on swimming life-buoy type bathing
Sealing ring is non-close to detachable retainer face, is connected with annular shoe cream room；Throttle lock, is arranged on swimming life-buoy type bathing sealing ring close to removable
Retainer face is unloaded, is connected with annular shoe cream room；Temperature sensor is arranged on swimming life-buoy type bathing sealing ring close to detachable retainer face phase
To top half, test side is electrically connected towards detachable retainer, output terminal with control chip；Several oil pressure sensors, setting
In swimming life-buoy type bathing sealing ring close to detachable retainer face with respect to lower half portion, part test side is towards detachable retainer, part
Test side is electrically connected towards annular shoe cream room, output terminal with control chip；Chip is controlled, with temperature sensor, oil pressure sensor
And external control group electrical connection；Pressure lock is arranged at the top of swimming life-buoy type bathing sealing ring, is connected with force (forcing) pump.
The lubricant grease amount in annular shoe cream room can be limited by unidirectionally filling out fuel tap, and the profit in annular shoe cream room
Sliding oil quantity is the condition whether control comparison needs the addition lubricant grease in bearing；Throttling lock can play control annular storage
Grease in oil pocket enters bearing according to the flow speed of setting, can also close so that the lubricant grease of annular shoe cream room stops
Into bearing, in case lubricant grease excessively causes bearing operation to cross heat affecting bearing bearing working in bearing；Temperature sensor and
Oil pressure sensor can detect the lubrication circumstances of Bearing inner, external control group can be coordinated past when internal lubrication grease is very few
Filling grease maintains bearing lubrication in annular shoe cream room, and throttling lock normal switch is kept when Bearing inner lubrication is normal, works as axis
Hold internal lubrication grease it is excessive when close throttling lock.
Preferably, the throttling lock is pressure differential lock；The delivery outlet alignment roller running orbit of throttling lock.
The substantial effect of the present invention is can be in some composition parts of rolling bearing using detachable retainer
Appearance, which is worn or damage, opens detachable retainer to wearing or damaged location is replaced without whole replacement；Sealing ring
Bearing inner oil pressure can be maintained to stablize equipped with self-lubricating device and extend bearing service life.
Description of the drawings
Fig. 1 carries the rolling bearing structure figure of bolt；
The cutaway view of Fig. 2 rollers and retainer；
Fig. 3 bolt connecting type retainer structure charts；
Fig. 4 bearings and sealing ring sectional view；
In figure：1st, bearing outer ring, 2, detachable retainer, 3, spiro connection structure, 4, bearing inner race, 5, roller, 6, lower half formula keeps
Frame, 7, upper half formula retainer, 8, spring shim, 9, traveling nut, 10, fixing bolt, 11, through-hole, 13, swimming life-buoy type bathing sealing ring,
15th, annular shoe cream room, 18, unidirectionally fill out fuel tap, 19, pressure lock, 20, throttling lock.
Specific embodiment
Below by specific embodiment, and with reference to attached drawing, technical scheme of the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel, packet
It includes：Bearing inner race 4, bearing outer ring 1,5 detachable retainer 2 of roller are arranged between bearing inner race 4 and bearing outer ring 1, removable
Setting 5 swimming life-buoy type bathing sealing ring 13 of roller in the pocket hole of retainer 2 is unloaded, is arranged on bearing both sides；Pressurized reservoir passes through fuel tank electromagnetism
Valve is connected with swimming life-buoy type bathing sealing ring 13, is connected with force (forcing) pump；Fuel tank solenoid valve is arranged on the downside of pressurized reservoir babinet, with outside
Control group is electrically connected；Force (forcing) pump is connected with pressurized reservoir, is connected with swimming life-buoy type bathing sealing ring 13；External control group, with fuel tank electromagnetism
Valve, force (forcing) pump and swimming life-buoy type bathing sealing ring 13 are electrically connected.
During using lubricating grease as lubricant, external force (forcing) pump, which can provide pressure, enables lubricating grease smoothly to pass through
Swimming life-buoy type bathing sealing ring 13 enters the position for needing to add lubricating grease in bearing.
The detachable retainer 2, including：Upper half formula retainer 7, it is opposite with lower half formula retainer 6 to install, with lower half
Formula retainer 6 is provided with 10 corresponding section of fixing bolt and is provided with through-hole 11；Lower half formula retainer 6, with 7 phase of upper half formula retainer
To installation, it is fixedly connected with fixing bolt 10；Several traveling nuts 9 are arranged at 7 through-hole of upper half formula retainer, 11 top, with
10 cooperating of lower half formula retainer 6 and fixing bolt；Several fixing bolts 10 are arranged on 6 downside spiral shell of lower half formula retainer
Bolt direction is upward, with 9 cooperating of traveling nut.
Retainer can be prevented because of vibration to generate connecting staggered by spiro connection structure 3 using upper and lower two and half retainer；
The design of detachable retainer 2 can detach upper half formula retainer 7 and lower half when failure occurs by unlocking spiro connection structure 3
Formula retainer 6 avoids the operation of original whole replacement bearing to take out trouble unit by replacing the operation of component.
Spacing between the 2 pocket hole of detachable retainer should be greater than 3cm, less than 7cm.
The upper half formula retainer 7 should be equal with 6 pocket hole radius of curvature of lower half formula retainer.Equal radius of curvature can
It is able to maintain that originally with the roller 5 being placed on when ensureing in the connection of party's spiro connection structure 3 and in pocket hole that two and half retainers form
Preset fixed route.
The upper half formula retainer 7 is additionally provided with gasket groove for installing spring shim 8.Enable spring shim 8
Partly bury the amount that the gap between lubricant grease intrusion spring shim 8 and retainer is reduced in detachable retainer 2.
13 rectangular cross-section of swimming life-buoy type bathing sealing ring, it is interior to be equipped with annular shoe cream room 15.
13 rectangular cross-section of swimming life-buoy type bathing sealing ring, further includes：Fuel tap 18 unidirectionally is filled out, is arranged on swimming life-buoy type bathing sealing ring
13 is non-close to detachable 2 face of retainer, is connected with annular shoe cream room 15；Throttle lock 20, be arranged on swimming life-buoy type bathing sealing ring 13 close to
Detachable 2 face of retainer, connects with annular shoe cream room 15；Temperature sensor is arranged on swimming life-buoy type bathing sealing ring 13 close to detachable
2 face of retainer is electrically connected with respect to top half, test side towards detachable retainer 2, output terminal with control chip；Several oil pressure
Sensor is arranged on swimming life-buoy type bathing sealing ring 13 close to detachable 2 face of retainer with respect to lower half portion, and part test side is towards removable
Retainer 2 is unloaded, part test side is electrically connected towards annular shoe cream room 15, output terminal with control chip；Chip is controlled, is passed with temperature
Sensor, oil pressure sensor and external control group electrical connection；Pressure lock 19 is arranged on 13 top of swimming life-buoy type bathing sealing ring, with pressurization
Pump connection.
The lubricant grease amount in annular shoe cream room 15 can be limited by unidirectionally filling out fuel tap 18, and annular shoe cream room 15
Interior lubricant grease amount is the condition whether control comparison needs the addition lubricant grease in bearing；Throttling lock 20 can play control
Grease in the annular shoe cream room 15 of system enters bearing according to the flow speed of setting, can also close and cause annular shoe cream room 15
Lubricant grease stops entering bearing, in case lubricant grease excessively causes bearing operation to cross heat affecting bearing bearing working in bearing；
Temperature sensor and oil pressure sensor can detect the lubrication circumstances of Bearing inner, can coordinate when internal lubrication grease is very few
External control group filling grease in annular shoe cream room 15 maintains bearing lubrication, and throttling lock is kept when Bearing inner lubrication is normal
20 normal switch close throttling lock 20 when Bearing inner lubricant grease is excessive.
The throttling lock 20 is pressure differential lock；5 running orbit of delivery outlet alignment roller of throttling lock 20.
Claims (4)
1. a kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel, including：Bearing inner race, bearing outer ring and roller
It is characterized in that, it further includes：
Detachable retainer, is arranged between bearing inner race and bearing outer ring, and roller is set in the pocket hole of detachable retainer
Swimming life-buoy type bathing sealing ring is arranged on bearing both sides；
Pressurized reservoir is connected with swimming life-buoy type bathing sealing ring by fuel tank solenoid valve, is connected with force (forcing) pump；
Fuel tank solenoid valve is arranged on the downside of pressurized reservoir babinet, is electrically connected with external control group；
Force (forcing) pump is connected with pressurized reservoir, is connected with swimming life-buoy type bathing sealing ring；
External control group is electrically connected with fuel tank solenoid valve, force (forcing) pump and swimming life-buoy type bathing sealing ring.
2. a kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel according to claim 1, which is characterized in that
The detachable retainer, including：
Upper half formula retainer, installation opposite with lower half formula retainer, fixing bolt corresponding section is provided with lower half formula retainer
It is provided with through-hole；
Lower half formula retainer, installation opposite with upper half formula retainer, is fixedly connected with fixing bolt；
Several traveling nuts are arranged above upper half formula retainer through-hole, are coordinated with lower half formula retainer and fixing bolt
Work；
Several fixing bolts, it is upward to be arranged on bolt direction on the downside of lower half formula retainer, with traveling nut cooperating；
Spacing between the detachable retainer pocket hole should be greater than 3cm, less than 7cm；
The upper half formula retainer should be equal with lower half formula retainer pocket hole radius of curvature；
The upper half formula retainer is additionally provided with gasket groove for installing spring shim.
3. a kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel according to claim 1, which is characterized in that
The swimming life-buoy type bathing sealing ring rectangular cross-section, it is interior to be equipped with annular shoe cream room；
The swimming life-buoy type bathing sealing ring rectangular cross-section, further includes：
Fuel tap unidirectionally is filled out, it is non-close to detachable retainer face to be arranged on swimming life-buoy type bathing sealing ring, is connected with annular shoe cream room；
Throttle lock, is arranged on swimming life-buoy type bathing sealing ring close to detachable retainer face, is connected with annular shoe cream room；
Temperature sensor is arranged on swimming life-buoy type bathing sealing ring close to detachable retainer face with respect to top half, and test side is towards can
Retainer is dismantled, output terminal is electrically connected with control chip；
Several oil pressure sensors are arranged on swimming life-buoy type bathing sealing ring close to detachable retainer face with respect to lower half portion, and part is detected
End face is electrically connected to detachable retainer, part test side towards annular shoe cream room, output terminal with control chip；
Chip is controlled, is electrically connected with temperature sensor, oil pressure sensor and external control group；
Pressure lock is arranged at the top of swimming life-buoy type bathing sealing ring, is connected with force (forcing) pump.
4. a kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel according to claim 3, which is characterized in that
The throttling lock is pressure differential lock；The delivery outlet alignment roller running orbit of throttling lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353656.1A CN108194513A (en) | 2017-12-15 | 2017-12-15 | A kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353656.1A CN108194513A (en) | 2017-12-15 | 2017-12-15 | A kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194513A true CN108194513A (en) | 2018-06-22 |
Family
ID=62574600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711353656.1A Pending CN108194513A (en) | 2017-12-15 | 2017-12-15 | A kind of large-scale detachable and self-lubricating rolling bearing system peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194513A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701183A (en) * | 2019-10-18 | 2020-01-17 | 宁波摩盛轴承有限公司 | Self-decompression sealing bearing |
| CN112431849A (en) * | 2020-10-12 | 2021-03-02 | 宁波美亚特精密传动部件有限公司 | Dustproof ball bearing with lubricating assembly |
| CN112691442A (en) * | 2020-12-02 | 2021-04-23 | 李玉军 | Separating filtering screen |
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| JP2007298054A (en) * | 2006-04-27 | 2007-11-15 | Nsk Ltd | High-temperature environment rolling bearing |
| US20140376850A1 (en) * | 2013-06-24 | 2014-12-25 | Korea Institute Of Science And Technology | Cage for rolling bearing |
| CN105299054A (en) * | 2014-07-23 | 2016-02-03 | 株式会社捷太格特 | Rolling bearing apparatus and lubrication unit |
| CN205677972U (en) * | 2016-06-06 | 2016-11-09 | 沈阳职业技术学院 | A kind of Digit Control Machine Tool bearing |
| CN106090028A (en) * | 2016-08-26 | 2016-11-09 | 新昌县羽林街道君博机械厂 | A kind of main shaft bearing and the integration member of locating snap ring |
| CN107023564A (en) * | 2016-01-29 | 2017-08-08 | 株式会社捷太格特 | Bearing arrangement and the supply method that lubricating oil is supplied to bearing |
-
2017
- 2017-12-15 CN CN201711353656.1A patent/CN108194513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007298054A (en) * | 2006-04-27 | 2007-11-15 | Nsk Ltd | High-temperature environment rolling bearing |
| US20140376850A1 (en) * | 2013-06-24 | 2014-12-25 | Korea Institute Of Science And Technology | Cage for rolling bearing |
| CN105299054A (en) * | 2014-07-23 | 2016-02-03 | 株式会社捷太格特 | Rolling bearing apparatus and lubrication unit |
| CN107023564A (en) * | 2016-01-29 | 2017-08-08 | 株式会社捷太格特 | Bearing arrangement and the supply method that lubricating oil is supplied to bearing |
| CN205677972U (en) * | 2016-06-06 | 2016-11-09 | 沈阳职业技术学院 | A kind of Digit Control Machine Tool bearing |
| CN106090028A (en) * | 2016-08-26 | 2016-11-09 | 新昌县羽林街道君博机械厂 | A kind of main shaft bearing and the integration member of locating snap ring |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701183A (en) * | 2019-10-18 | 2020-01-17 | 宁波摩盛轴承有限公司 | Self-decompression sealing bearing |
| CN112431849A (en) * | 2020-10-12 | 2021-03-02 | 宁波美亚特精密传动部件有限公司 | Dustproof ball bearing with lubricating assembly |
| CN112431849B (en) * | 2020-10-12 | 2022-07-08 | 宁波美亚特精密传动部件有限公司 | Dustproof ball bearing with lubricating assembly |
| CN112691442A (en) * | 2020-12-02 | 2021-04-23 | 李玉军 | Separating filtering screen |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |