CN111197622A - Bearing suitable for being quickly replaced on transmission equipment and mounting method thereof - Google Patents
Bearing suitable for being quickly replaced on transmission equipment and mounting method thereof Download PDFInfo
- Publication number
- CN111197622A CN111197622A CN201811374708.8A CN201811374708A CN111197622A CN 111197622 A CN111197622 A CN 111197622A CN 201811374708 A CN201811374708 A CN 201811374708A CN 111197622 A CN111197622 A CN 111197622A
- Authority
- CN
- China
- Prior art keywords
- ring
- roller
- fastening
- inner ring
- bearing
- 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
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
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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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
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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
- F16C33/3818—Ball cages formed of unconnected segments
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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
- F16C33/58—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
- F16C2237/00—Repair or replacement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a bearing suitable for being quickly replaced on transmission equipment and an installation method thereof, wherein the bearing is arranged on a roller neck of a roller and comprises the following components: inner circle, holder roller assembly and the outer lane of suit in proper order from inside to outside still include: the fastening ring, the positioning spring ring, and the inner ring, the retainer roller assembly, the outer ring and the fastening ring are all in a half-split structure. The invention can rapidly process the problem of bearing replacement failure under emergency conditions, thereby reducing the failure and shutdown time of equipment and ensuring the stable operation of an equipment system.
Description
Technical Field
The invention relates to transmission equipment such as a belt conveyor and the like, in particular to a bearing suitable for being quickly replaced on the transmission equipment and an installation method thereof.
Background
At present, 1000 transmission devices such as a belt conveyor and the like are arranged in an iron-making area of a large-scale steel plant, wherein roller bearings of key hub devices such as a raw material wharf input system, a blast furnace direct-feeding system and the like are more important.
The existing bearing is installed as shown in fig. 1 and 2, a bearing 1 is of an integral structure and is sleeved at the position of a roller neck of a roller 2, the bearing 1 rotates through a roller 3, and the bearing 1 is positioned on the roller 2 through a fastening sleeve 4. However, if the bearing 1 fails and needs to be replaced, the bearing 1 is replaced after the shaft coupling and the speed reducer between the speed reducer and the driving roller 2 are disassembled, so that the whole replacement process is not only long in time consuming, but also complicated in process and high in construction difficulty. In addition, the adapter sleeve 4 is heavy and how many bearing 1 failures are caused by the loosening of the adapter sleeve 4.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a quick-change bearing suitable for transmission equipment and an installation method thereof, which can quickly solve the problem of bearing replacement failure under an emergency condition, thereby reducing the equipment failure and shutdown time and ensuring the stable operation of an equipment system.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, a bearing suitable for quick replacement on transmission locates on the cylinder roll neck, the bearing includes: inner circle, holder roller assembly and the outer lane of suit in proper order from inside to outside still include: the inner ring, the retainer roller assembly, the outer ring and the fastening ring are all in a half-split structure;
the inner ring, comprising: the first half inner ring and the second half inner ring are fastened on a roller neck of the roller;
the cage roller assembly comprising: the roller cage comprises a first half retainer roller and a second half retainer roller, wherein a plurality of rollers are uniformly distributed on the first half retainer roller and the second half retainer roller;
the outer ring, comprising: the first half outer ring and the second half outer ring are connected through a bolt;
the fastening ring has two pairs, fastens respectively in the both sides end of inner circle, all includes: the first half fastening ring and the second half fastening ring are connected through a bolt;
the positioning spring rings are provided with a pair of semi-open structures, are respectively sleeved at the end parts of two sides of the inner ring and are used for preventing the inner ring from axially moving on the roller neck of the roller.
The first half outer ring and the second half outer ring are connected through M5 socket head cap bolts.
The first half fastening ring and the second half fastening ring are connected through an M8 hexagon socket head cap screw.
In another aspect, a method for mounting a bearing adapted for quick replacement on a transmission includes the steps of:
1) firstly, placing a first half inner ring and a first half fastening ring in one pair of fastening rings on a roller neck of a roller;
2) a worker holds the second half inner ring and a second half fastening ring in one pair of fastening rings by hands to the roller neck position of the roller, and fastens two M8 hexagon socket head bolts by using a wrench, so that the first half fastening ring and the second half fastening ring are connected and fastened on one side end of the inner ring, and at the moment, the inner ring is sleeved on the roller neck of the roller through one pair of fastening rings;
3) the other pair of fastening rings is also fastened on the other side end of the inner ring by using a spanner;
4) knocking the end face of the inner ring to enable the inner ring to be completely close to the roller neck of the roller, adjusting the positions of the two pairs of fastening rings and the inner ring at the same time to enable the joint positions of the two pairs of fastening rings and the joint positions of the inner ring to be staggered by 80-100 degrees, and then completely screwing four M8 hexagon socket head bolts on the two pairs of fastening rings;
5) installing the two positioning spring rings in place;
6) firstly, a first half outer ring is arranged, a support is used for supporting the lower part of the first half outer ring, and then a first half retainer roller is arranged;
7) loading the second half cage rollers, then loading the second half outer ring, and screwing four M5 hexagon socket head cap bolts on the outer ring by using a spanner;
8) adjusting the seam of the outer ring to a proper position, completely screwing four M5 hexagon socket head bolts, and removing a support below;
9) and finally, installing the bearing seat cover, and finishing the installation process.
In the step 2) and the step 3), a gap of 1-2 mm needs to be reserved when the fastening ring is screwed down.
If the positioning spring ring affects when the outer ring is assembled, the outer ring can be assembled first, and then the positioning spring ring is installed.
And the method also comprises the step 10) of slowly rotating the roller after the installation is finished, and observing whether the bearing has the phenomena of jamming and abnormal sound.
In the technical scheme, the bearing suitable for fast replacement on the transmission equipment and the installation method thereof have the advantages of simple structure, stable working performance, convenience in maintenance and low cost, and the problem of how to fast handle the bearing fault under the emergency condition is solved, so that the fault and shutdown time of the equipment is reduced, and the stable operation of an equipment system is ensured. The bearing fault detection device can be suitable for transmission equipment such as a rubber belt conveyor and the like, is applied to quickly processing bearing faults under emergency conditions, reduces the equipment fault downtime, ensures the stable operation of an equipment system, realizes civilized production and achieves the purpose of civilized production. The belt conveyor is simple in site construction and convenient to maintain, is suitable for metallurgy, mines, power plants and belt conveyors needing large-scale material conveying, can play a role in solving site problems, and has a good development prospect.
Drawings
FIG. 1 is a front view of a prior art bearing;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a front view of the bearing of the present invention;
fig. 4 is a sectional view taken along the direction B-B in fig. 3.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
Referring to fig. 3 to 4, the present invention provides a bearing for quick replacement of a transmission device, which is disposed on a roller neck of a roller, the bearing comprising: the inner ring, the retainer roller assembly and the outer ring are sequentially sleeved from inside to outside, which is part of the prior art and is not described herein again. Different from the prior art, the method further comprises the following steps: the fastening ring, the positioning spring ring 10 and the inner ring, the retainer roller assembly, the outer ring and the fastening ring are in a half-split structure, and by utilizing the half-split structures, a half-split handle at the side of the driving roller is only pulled off on site (the half-split handle is not required to be pulled out), then the bearing of the half-split structure is replaced, and finally the inner hexagon bolt is utilized for positioning connection.
Preferably, the inner ring includes: the roller comprises a first half inner ring 11 and a second half inner ring 12, wherein the first half inner ring 11 is provided with a threaded hole, the second half inner ring 12 is provided with a countersunk bolt hole, and the first half inner ring 11 and the second half inner ring 12 are wrapped and fastened on a roller neck of a roller.
Preferably, the cage roller assembly comprises: the first half-cage rollers 13 and the second half-cage rollers 14 are respectively provided with a plurality of rollers, and the first half-cage rollers 13 and the second half-cage rollers 14 are respectively provided with a plurality of rollers.
Preferably, the outer ring includes: the first half outer ring 15 and the second half outer ring 16 are connected through four M5 hexagon socket head cap bolts, a threaded hole is formed in the first half outer ring 15, a countersunk bolt hole is formed in the second half outer ring 16, and the first half outer ring 15 and the second half outer ring 16 are connected through the four M5 hexagon socket head cap bolts.
Preferably, the fastening ring has two pairs, which are fastened to two side ends of the inner ring respectively, and each pair includes: first half tight loop 17 and the half tight loop of second have the countersunk head bolt hole on the first half tight loop 17, have the countersunk head bolt hole on the half tight loop of second, connect through two M8 hexagon socket head cap screw between first half tight loop 17 and the half tight loop of second.
Preferably, the positioning spring rings 10 are provided with a pair of semi-open structures, and are respectively sleeved at the end parts of the two sides of the inner ring, and the positioning spring rings 10 are used for limiting the axial free amount of the bearing of the invention on the roller neck of the roller, so that the roller suitable for the bearing of the invention does not need to be designed and manufactured with notches to install the bearing at the position, the characteristic of quick emergency use is embodied, the notch does not need to be machined according to the size of the roller shaft to meet the use requirement of the split bearing, and the split bearing is directly replaced and installed on site, so that the overhaul downtime is reduced.
The invention also provides a bearing installation method suitable for quick replacement on transmission equipment, which comprises the following preliminary preparation work before replacement and installation:
1) before the bearing is installed, on-site cleaning work is required to be done, such as cleaning the surface of a roller neck of a roller and the surface of a bearing box hole, and the environment is kept clean, so that impurities such as dust, electric welding slag and the like are prevented from entering the inside of the bearing;
2) checking whether accessories such as bearings, bearing boxes and the like have defects, including defects such as collision damage, corrosion, scratch, peeling, cracks and the like;
3) preparing installation tools, such as M5, M8 hexagon socket head wrenches, monkey wrenches and the like;
4) the shutdown is ensured, and the power supply and the control switch are ensured to be in a closed state or a controllable state.
The installation comprises the following steps:
1) firstly, a first half inner ring 11 (with a threaded hole) and a first half fastening ring 17 (with a threaded hole) in one pair of fastening rings are placed at the position of a roller neck of a roller;
2) a worker holds the second half inner ring 12 and a second half fastening ring in one pair of fastening rings by hands to the position of the roller neck of the roller, fastens two M8 hexagon socket head bolts by using a wrench, so that the first half fastening ring 17 and the second half fastening ring are connected and fastened on one side end of the inner ring, at the moment, the inner ring is sleeved on the roller neck of the roller through one pair of fastening rings, and the worker should be aware that the two M8 hexagon socket head bolts are not fastened too tightly and a gap of 1-2 mm is reserved;
3) fastening the other pair of fastening rings on the other side end of the inner ring by using a spanner, wherein the fastening is not too tight, and a gap of 1-2 mm is preferably reserved;
4) knocking the end face of the inner ring to ensure that the inner ring and the roller neck of the roller are completely close to each other, simultaneously adjusting the positions of the two pairs of fastening rings and the inner ring to ensure that the joint positions of the two pairs of fastening rings and the joint positions of the inner ring are staggered by 80-100 degrees (optimally 90 degrees), then completely screwing four M8 hexagon socket head cap bolts on the two pairs of fastening rings, and staggering a certain angle at the two joints to avoid the same stress release points, thereby ensuring the service life of the bearing of the invention;
5) adjusting and installing the two positioning spring rings 10 in place;
6) first, the first half outer ring 15 (with a threaded hole) is installed, the lower part of the first half outer ring 15 can be supported by a support, and then the first half retainer rollers 13 are installed;
7) loading the second half cage rollers 14, then loading the second half outer ring 16, screwing four M5 hexagon socket head bolts on the outer ring by using a spanner, keeping a small gap, adjusting the outer ring and the cage roller assembly to a proper position, and then screwing the bolts;
8) adjusting the seam of the outer ring to a proper position, completely screwing four M5 hexagon socket head bolts, and removing a support below;
9) and finally, installing the bearing seat cover, and finishing the installation process.
And the method also comprises the step 10) of slowly rotating the roller after the installation is finished, and observing whether the bearing has the phenomena of jamming and abnormal sound.
Preferably, if when the outer ring is assembled, the positioning spring ring can block the outer ring, so that the outer ring is not smooth in movement and the influence of the outer ring is influenced, and if conditions allow that the positioning spring ring can be installed after the outer ring is assembled.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a bearing suitable for last quick replacement of transmission locates on the cylinder roll neck, the bearing includes: inner circle, holder roller assembly and the outer lane of suit from inside to outside in proper order, its characterized in that: further comprising: the inner ring, the retainer roller assembly, the outer ring and the fastening ring are all in a half-split structure;
the inner ring, comprising: the first half inner ring and the second half inner ring are fastened on a roller neck of the roller;
the cage roller assembly comprising: the roller cage comprises a first half retainer roller and a second half retainer roller, wherein a plurality of rollers are uniformly distributed on the first half retainer roller and the second half retainer roller;
the outer ring, comprising: the first half outer ring and the second half outer ring are connected through a bolt;
the fastening ring has two pairs, fastens respectively in the both sides end of inner circle, all includes: the first half fastening ring and the second half fastening ring are connected through a bolt;
the positioning spring rings are provided with a pair of semi-open structures, are respectively sleeved at the end parts of two sides of the inner ring and are used for preventing the inner ring from axially moving on the roller neck of the roller.
2. A bearing suitable for quick change on a drive as claimed in claim 1, wherein: the first half outer ring and the second half outer ring are connected through M5 socket head cap bolts.
3. A bearing suitable for quick change on a drive as claimed in claim 1, wherein: the first half fastening ring and the second half fastening ring are connected through an M8 hexagon socket head cap screw.
4. A method of mounting a bearing adapted for quick change on a transmission according to any of claims 1 to 3, comprising the steps of:
1) firstly, placing a first half inner ring and a first half fastening ring in one pair of fastening rings on a roller neck of a roller;
2) a worker holds the second half inner ring and a second half fastening ring in one pair of fastening rings by hands to the roller neck position of the roller, and fastens two M8 hexagon socket head bolts by using a wrench, so that the first half fastening ring and the second half fastening ring are connected and fastened on one side end of the inner ring, and at the moment, the inner ring is sleeved on the roller neck of the roller through one pair of fastening rings;
3) the other pair of fastening rings is also fastened on the other side end of the inner ring by using a spanner;
4) knocking the end face of the inner ring to enable the inner ring to be completely close to the roller neck of the roller, adjusting the positions of the two pairs of fastening rings and the inner ring at the same time to enable the joint positions of the two pairs of fastening rings and the joint positions of the inner ring to be staggered by 80-100 degrees, and then completely screwing four M8 hexagon socket head bolts on the two pairs of fastening rings;
5) installing the two positioning spring rings in place;
6) firstly, a first half outer ring is arranged, a support is used for supporting the lower part of the first half outer ring, and then a first half retainer roller is arranged;
7) loading the second half cage rollers, then loading the second half outer ring, and screwing four M5 hexagon socket head cap bolts on the outer ring by using a spanner;
8) adjusting the seam of the outer ring to a proper position, completely screwing four M5 hexagon socket head bolts, and removing a support below;
9) and finally, installing the bearing seat cover, and finishing the installation process.
5. The method for mounting a bearing suitable for quick change on a transmission device according to claim 4, wherein: in the step 2) and the step 3), a gap of 1-2 mm needs to be reserved when the fastening ring is screwed down.
6. The method for mounting a bearing suitable for quick change on a transmission device according to claim 4, wherein: if the positioning spring ring affects when the outer ring is assembled, the outer ring can be assembled first, and then the positioning spring ring is installed.
7. The method for mounting a bearing suitable for quick change on a transmission device according to claim 4, wherein: and the method also comprises the step 10) of slowly rotating the roller after the installation is finished, and observing whether the bearing has the phenomena of jamming and abnormal sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374708.8A CN111197622B (en) | 2018-11-19 | 2018-11-19 | Bearing suitable for being quickly replaced on transmission equipment and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374708.8A CN111197622B (en) | 2018-11-19 | 2018-11-19 | Bearing suitable for being quickly replaced on transmission equipment and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111197622A true CN111197622A (en) | 2020-05-26 |
| CN111197622B CN111197622B (en) | 2021-05-14 |
Family
ID=70743971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811374708.8A Active CN111197622B (en) | 2018-11-19 | 2018-11-19 | Bearing suitable for being quickly replaced on transmission equipment and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111197622B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3822557B2 (en) * | 2001-11-16 | 2006-09-20 | アクチボラゲット エス ケイ エフ | Device for attaching the sleeve to the shaft |
| CN202531657U (en) * | 2012-04-24 | 2012-11-14 | 北京天马轴承有限公司 | Split cylindrical roller bearing |
| CN104033492A (en) * | 2013-03-08 | 2014-09-10 | 尹锡泰 | Split roller bearing and setting method thereof |
| CN204041743U (en) * | 2014-07-07 | 2014-12-24 | 宝山钢铁股份有限公司 | A kind of vertical roll type framework roller |
| CN104454981A (en) * | 2014-09-30 | 2015-03-25 | 洛阳Lyc轴承有限公司 | Split self-aligning roller bearing for heavy-duty type converter trunnion |
| CN204852023U (en) * | 2015-07-31 | 2015-12-09 | 大连光扬轴承制造有限公司 | Subdivision formula self -aligning roller bearing |
| WO2017007922A1 (en) * | 2015-07-08 | 2017-01-12 | The Timken Company | Split tapered double row bearing assembly for a wind turbine mainshaft |
| US20170307019A1 (en) * | 2014-10-07 | 2017-10-26 | Dresser-Rand SAS | Seal Assembly For A Turbomachine |
| CN207470607U (en) * | 2017-11-29 | 2018-06-08 | 河北万转腾远轴承有限公司 | A kind of dissection type deep groove ball bearing |
| US20180163705A1 (en) * | 2013-10-04 | 2018-06-14 | Inventus Holdings, Llc | Uptower wind turbine component replacement |
| CN108591272A (en) * | 2018-06-21 | 2018-09-28 | 大连光扬轴承制造有限公司 | A kind of dissection type aligning roller bearing retainer and its self-aligning roller bearing |
| JP2018155380A (en) * | 2017-03-21 | 2018-10-04 | Ntn株式会社 | Spherical slide bearing |
| CN208051818U (en) * | 2018-04-13 | 2018-11-06 | 陕煤集团神南产业发展有限公司 | A kind of bearing dismounting tool |
-
2018
- 2018-11-19 CN CN201811374708.8A patent/CN111197622B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3822557B2 (en) * | 2001-11-16 | 2006-09-20 | アクチボラゲット エス ケイ エフ | Device for attaching the sleeve to the shaft |
| CN202531657U (en) * | 2012-04-24 | 2012-11-14 | 北京天马轴承有限公司 | Split cylindrical roller bearing |
| CN104033492A (en) * | 2013-03-08 | 2014-09-10 | 尹锡泰 | Split roller bearing and setting method thereof |
| US20180163705A1 (en) * | 2013-10-04 | 2018-06-14 | Inventus Holdings, Llc | Uptower wind turbine component replacement |
| CN204041743U (en) * | 2014-07-07 | 2014-12-24 | 宝山钢铁股份有限公司 | A kind of vertical roll type framework roller |
| CN104454981A (en) * | 2014-09-30 | 2015-03-25 | 洛阳Lyc轴承有限公司 | Split self-aligning roller bearing for heavy-duty type converter trunnion |
| US20170307019A1 (en) * | 2014-10-07 | 2017-10-26 | Dresser-Rand SAS | Seal Assembly For A Turbomachine |
| WO2017007922A1 (en) * | 2015-07-08 | 2017-01-12 | The Timken Company | Split tapered double row bearing assembly for a wind turbine mainshaft |
| CN204852023U (en) * | 2015-07-31 | 2015-12-09 | 大连光扬轴承制造有限公司 | Subdivision formula self -aligning roller bearing |
| JP2018155380A (en) * | 2017-03-21 | 2018-10-04 | Ntn株式会社 | Spherical slide bearing |
| CN207470607U (en) * | 2017-11-29 | 2018-06-08 | 河北万转腾远轴承有限公司 | A kind of dissection type deep groove ball bearing |
| CN208051818U (en) * | 2018-04-13 | 2018-11-06 | 陕煤集团神南产业发展有限公司 | A kind of bearing dismounting tool |
| CN108591272A (en) * | 2018-06-21 | 2018-09-28 | 大连光扬轴承制造有限公司 | A kind of dissection type aligning roller bearing retainer and its self-aligning roller bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111197622B (en) | 2021-05-14 |
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