CN112628294A - Adjustable roller press bearing mounting device and manufacturing method - Google Patents
Adjustable roller press bearing mounting device and manufacturing method Download PDFInfo
- Publication number
- CN112628294A CN112628294A CN202011345601.8A CN202011345601A CN112628294A CN 112628294 A CN112628294 A CN 112628294A CN 202011345601 A CN202011345601 A CN 202011345601A CN 112628294 A CN112628294 A CN 112628294A
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- Prior art keywords
- bearing
- sleeve
- conical sleeve
- taper
- conical
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- 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.)
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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
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
-
- 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
- F16C35/078—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing using pressure fluid as mounting aid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses an adjustable roller press bearing installation device which comprises a bearing, a bearing seat, a conical sleeve, a bearing seat end cover and an inner retaining ring, wherein the bearing is provided with a conical hole in the middle, a roller shaft penetrates through the conical hole and comprises a bearing outer ring, a bearing inner ring and a bearing rolling body, the bearing rolling body is rotatably arranged between the bearing outer ring and the bearing inner ring, the conical sleeve is embedded between the bearing and the bearing seat, the conical sleeve is provided with a liquid injection hole, the liquid injection hole is communicated to a gap between the conical sleeve and the bearing seat from the side edge of the conical sleeve, the bearing seat end cover is fixed on the side surfaces of the bearing and the bearing seat in a circular ring shape, the gap between the conical sleeve and the bearing and the gap between the conical sleeve and the bearing seat are covered, and the inner retaining ring is arranged on the inner. The device provided by the invention reduces the labor amount for replacing the bearing, reduces the labor cost, and reduces the influence of the damage and high temperature of the bearing on the production.
Description
Technical Field
The invention relates to the technical field of mechanical installation, and particularly belongs to an adjustable roller press bearing installation device and a preparation method thereof.
Background
The roller press in the cement industry is widely used for grinding operation of raw materials and cement, and the high-pressure grinding principle of the roller press has the advantages of high grinding efficiency, low power consumption and the like. The roller press is constructed in such a manner that a pair of rollers are driven by a transmission mechanism to rotate in opposite directions, one of the rollers is pressed by four cylinders, and the other roller is pressed against each other, thereby grinding a material. The rollers of a roller press are supported by four bearings, so that the bearings are required to bear all working pressure in the opposite direction, and high requirements are made on the working and service life of the bearings.
The current roller press bearing basically adopts the double-row self-aligning roller bearing with the tapered inner ring, the inner ring is directly connected with the tapered shaft head of the roller shaft, and the bearing is conveniently disassembled and assembled through hydraulic pressure. The outer ring mounting surface is a cylindrical surface and is in clearance fit connection with a bearing seat of the roller press, but the mounting and dismounting are still difficult due to large bearing volume and weight. According to the working principle of the roller press, the stress direction of the roller bearing is in the horizontal direction, the bearing is seriously damaged due to the high-pressure working principle of the roller press, the service life is not completely embodied because the inner ring and the rolling body are subjected to cyclic stress, the stress point is repeatedly subjected to stress extrusion due to the fact that the outer ring is a relatively fixed stress point (in the horizontal direction), the pitting corrosion is too early, and the service life of the bearing is greatly shortened. The large bearing is scrapped to form great waste due to the early damage of the bearing outer ring, the production is influenced, and the maintenance cost is greatly increased. It is therefore necessary to find a solution to the above problems.
Disclosure of Invention
The invention aims to provide an adjustable roller press bearing mounting device which can solve the problem of short service life of a large bearing, reduce consumption of the bearing and lubricating oil, reduce labor amount for replacing the bearing, reduce labor cost and reduce influence of bearing damage and high temperature on production.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a roll squeezer bearing installation device with adjustable, includes bearing, bearing frame, taper sleeve, bearing frame end cover and interior fender ring, the bearing is equipped with the bell mouth for the centre, and the roller passes in this bell mouth, including bearing outer lane, bearing inner race and bearing rolling element, the rotatable setting of bearing rolling element is between bearing outer lane and bearing inner race, the taper sleeve inlays to be established between bearing and bearing frame, is equipped with the oil duct on this taper sleeve, and this oil duct communicates to the gap between taper sleeve and the bearing frame by the side of taper sleeve, the bearing frame end cover is the ring form and fixes the side at bearing and bearing frame, and covers the gap of taper sleeve and bearing, taper sleeve and bearing frame, interior fender ring setting is used for fixed roller on the inboard of bearing.
Furthermore, the bearing rolling bodies are balls, and the balls are arranged between the bearing outer ring and the bearing inner ring and can rotate freely.
Furthermore, the oil duct is horizontally arranged on the side surface of the conical sleeve and extends to the middle part in the conical sleeve, and then vertically extends to communicate with a gap between the conical sleeve and the bearing seat, so that hydraulic oil is injected to separate the bearing from the bearing seat.
Further, the bearing seat end cover is fixed on the side surfaces of the bearing and the bearing seat through bolts or flanges.
Further, the taper of the taper hole is 1: 12.
a preparation method of an adjustable roller press bearing installation device comprises the following steps:
(1) processing a bearing position of a bearing seat into a shape of 1: 12 taper hole cavities, and manufacturing a flange surface and a bolt hole for fixing a taper sleeve;
(2) processing a set of seamless taper sleeve, wherein the taper is 1: 12, after the inner hole is combined with the bearing seat, finish machining is carried out until a flange is arranged on the big end of the conical sleeve with the matching precision with the bearing outer ring H6/h6., and a circle of inner hexagon bolt holes are alternately formed in the big end of the conical sleeve for pressing and fixing the conical sleeve; alternatively forming a circle of jackscrew holes for separating the conical sleeve from the bearing seat and also for installing a rotary wrench, rotating the conical sleeve and the bearing outer ring;
(3) an oil passage is formed in the conical sleeve and is linked to an oil groove on the conical surface;
(4) after the bearing seat, the conical sleeve and the bearing are combined and fixed, the bearing seat, the conical sleeve and the bearing are fixed through the flange face and the bolt.
In summary, due to the adoption of the technical scheme, the invention has the following technical effects:
(1) the invention bores the bearing hole of the bearing seat of the roller press into a tapered hole, adds a tapered sleeve between the tapered hole and the bearing outer ring, and opens a hydraulic hole on the tapered sleeve to separate the tapered sleeve and the bearing seat by hydraulic oil. When the bearing is used for a certain period and pitting corrosion is expected to occur, hydraulic oil is injected into the conical sleeve, the conical sleeve and the bearing outer ring are separated from the bearing seat integrally by a jackscrew adding method, the bearing outer ring is rotated by a certain angle, stress fatigue points on the bearing outer ring are changed, and the conical sleeve is compressed again to recover the position of the bearing.
(2) According to the invention, the bearing outer ring rotates for a certain angle after a certain period, and the fatigue stress point is alternated to the non-stress area, so that the problem of premature damage of the bearing outer ring is solved, and the service life of the bearing is prolonged.
(3) When the bearing is used for a certain period, namely fatigue pitting or slight pitting is about to occur, the flange outside the conical mounting sleeve of the bearing is loosened, hydraulic oil is injected into the conical surface, and meanwhile, the conical sleeve combining surface is loosened by a jackscrew method, so that the bearing has a certain axial clearance, and the outer ring can move without detaching other parts. And rotating the bearing outer ring to enable the fatigue area of the bearing outer ring to stagger the stress angle and enable the area without fatigue defects to be stressed. And (5) compressing the flange again to combine the conical sleeve with the bearing seat, and recovering the installation of the bearing outer ring. In this way, replacement of the bearing is prevented from being damaged to a small extent.
Drawings
FIG. 1 is a schematic view of the structure of the mounting device of the present invention
In the attached drawings, a bearing 1, a taper hole 11, a bearing outer ring 12, a bearing inner ring 13, a bearing rolling body 14, a bearing seat 2, a taper sleeve 3, an oil duct 31, a bearing seat end cover 4 and an inner retaining ring 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
Example 1
The utility model provides a roll squeezer bearing installation device with adjustable, includes bearing 1, bearing frame 2, toper cover 3, bearing frame end cover 4 and interior fender ring 5, bearing 1 is equipped with bell mouth 11 for the centre, and the tapering of bell mouth 11 is 1: 12, finish machining is carried out to the precision H6/H6 with bearing 1 outer ring cooperation after the bell mouth 11 and the bearing frame 2 are combined, the roller passes through the bell mouth 11, including bearing outer ring 12, bearing inner ring 13 and bearing rolling element 14, bearing rolling element 14 is rotatable to be set up between bearing outer ring 12 and bearing inner ring 13, the taper sleeve 3 inlays and establishes between bearing 1 and bearing frame 2, be equipped with oil duct 31 on this taper sleeve 3, this oil duct 31 communicates the gap between taper sleeve 3 and bearing frame 2 by the side of taper sleeve 3, the bearing frame 2 end cover is the ring form and fixes the side at bearing 1 and bearing frame 2, and cover the gap of taper sleeve 3 and bearing 1, the gap of taper sleeve 3 and bearing frame 2, inner catch ring 5 sets up and is used for fixing the roller on the inboard of bearing.
The bearing rolling elements 14 are balls, and the balls are arranged between the bearing outer race 12 and the bearing inner race 13 so as to be rotatable.
The oil duct 31 is horizontally arranged from the side surface of the conical sleeve 3, extends to the middle part in the conical sleeve 3, vertically extends to communicate with a gap between the conical sleeve 3 and the bearing seat 2, and is used for injecting hydraulic oil to separate the bearing from the bearing seat.
The bearing seat end cover 4 is fixed on the side surfaces of the bearing 1 and the bearing seat 2 through bolts or flanges.
Example 2
A preparation method of an adjustable roller press bearing installation device comprises the following steps:
(1) processing a bearing position of a bearing seat into a shape of 1: 12 taper hole cavities, and manufacturing a flange surface and a bolt hole for fixing a taper sleeve;
(2) processing a set of seamless taper sleeve, wherein the taper is 1: 12, after the inner hole is combined with the bearing seat, finish machining is carried out until a flange is arranged on the big end of the conical sleeve with the matching precision with the bearing outer ring H6/h6., and a circle of inner hexagon bolt holes are alternately formed in the big end of the conical sleeve for pressing and fixing the conical sleeve; alternatively forming a circle of jackscrew holes for separating the conical sleeve from the bearing seat and also for installing a rotary wrench, rotating the conical sleeve and the bearing outer ring;
(3) an oil passage is formed in the conical sleeve and is linked to an oil groove on the conical surface;
(4) after the bearing seat, the conical sleeve and the bearing are combined and fixed, the bearing seat, the conical sleeve and the bearing are fixed through the flange face and the bolt.
When the device is prepared, the bearing position of the bearing seat is processed into a position of 1: 12 taper hole cavities, and processing a flange surface and a bolt hole for fixing the taper sleeve; processing a set of seamless taper sleeve, wherein the taper is 1: 12, after the inner hole is combined with the bearing seat, finish machining is carried out until a flange is arranged on the big end of the conical sleeve with the matching precision with the bearing outer ring H6/h6., and a circle of inner hexagon bolt holes are alternately formed in the big end of the conical sleeve for pressing and fixing the conical sleeve; alternatively, a circle of jackscrew holes are formed for separating the conical sleeve from the bearing seat and also used for installing a rotary wrench, the rotary conical sleeve and the bearing outer ring. And then an oil passage is formed in the conical sleeve and is linked to an oil groove on the conical surface, and high-pressure hydraulic oil can be connected as an auxiliary measure when the conical sleeve and the bearing seat are required to be separated.
After the roller way of the bearing outer ring is fatigued or pitting corroded, the axial clearance of the bearing is utilized to separate from the conical surface by nailing high-pressure oil, so that the bearing outer ring can rotate together with the conical sleeve, a special spanner is fixed by a jackscrew hole thread, the spanner is pulled by a gourd to drive the conical sleeve, the bearing outer ring and the bearing outer ring to rotate for a certain angle, and the fatigue part is staggered in a stress area, so that the service life of the bearing is prolonged.
When the bearing is replaced, the conical sleeve is loosened by injecting high-pressure hydraulic oil into the oil duct, the inner ring of the bearing is loosened by a hydraulic method, the bearing and the conical sleeve are taken down, the screw rod is arranged on the jackscrew hole, the cross arm is arranged, and the conical sleeve is separated from the bearing by the jack.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (6)
1. The utility model provides a roll squeezer bearing installation device with adjustable, its characterized in that, includes bearing, bearing frame, taper sleeve, bearing frame end cover and interior fender ring, the bearing is equipped with the bell mouth for the centre, and the roller passes in this bell mouth, including bearing outer lane, bearing inner circle and bearing rolling element, the bearing rolling element is rotatable to be set up between bearing outer lane and bearing inner circle, the taper sleeve inlays to be established between bearing and bearing frame, is equipped with the oil duct on this taper sleeve, and this oil duct communicates to the gap between taper sleeve and the bearing frame by the side of taper sleeve, the bearing frame end cover is the ring form and fixes the side at bearing and bearing frame, and covers the gap of taper sleeve and bearing, the gap of taper sleeve and bearing frame, interior fender ring setting is used for fixed roller on the inboard of bearing.
2. The adjustable roller press bearing mounting device as claimed in claim 1, wherein: the bearing rolling bodies are balls which are arranged between the bearing outer ring and the bearing inner ring and can rotate freely.
3. The adjustable roller press bearing mounting device as claimed in claim 1, wherein: the oil duct is horizontally arranged on the side surface of the conical sleeve and extends to the middle part in the conical sleeve, and then vertically extends to communicate with a gap between the conical sleeve and the bearing seat, and is used for injecting hydraulic oil to separate the bearing from the bearing seat.
4. The adjustable roller press bearing mounting device as claimed in claim 1, wherein: and the bearing seat end cover is fixed on the side surfaces of the bearing and the bearing seat through bolts or flanges.
5. The adjustable roller press bearing mounting device as claimed in claim 1, wherein: the taper of the taper hole is 1: 12.
6. a method for preparing an adjustable roller press bearing mounting device according to claims 1-4, characterized by comprising the following steps:
(1) processing a bearing position of a bearing seat into a shape of 1: 12 taper hole cavities, and manufacturing a flange surface and a bolt hole for fixing a taper sleeve;
(2) processing a set of seamless taper sleeve, wherein the taper is 1: 12, after the inner hole is combined with the bearing seat, finish machining is carried out until a flange is arranged on the big end of the conical sleeve with the matching precision with the bearing outer ring H6/h6., and a circle of inner hexagon bolt holes are alternately formed in the big end of the conical sleeve for pressing and fixing the conical sleeve; alternatively forming a circle of jackscrew holes for separating the conical sleeve from the bearing seat and also for installing a rotary wrench, rotating the conical sleeve and the bearing outer ring;
(3) an oil passage is formed in the conical sleeve and is linked to an oil groove on the conical surface;
(4) after the bearing seat, the conical sleeve and the bearing are combined and fixed, the bearing seat, the conical sleeve and the bearing are fixed through the flange face and the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345601.8A CN112628294A (en) | 2020-11-26 | 2020-11-26 | Adjustable roller press bearing mounting device and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345601.8A CN112628294A (en) | 2020-11-26 | 2020-11-26 | Adjustable roller press bearing mounting device and manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112628294A true CN112628294A (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011345601.8A Pending CN112628294A (en) | 2020-11-26 | 2020-11-26 | Adjustable roller press bearing mounting device and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112628294A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074187A (en) * | 2021-04-10 | 2021-07-06 | 山东瑞新轴承制造有限公司 | Industrial silt-prevention cylindrical roller bearing |
| CN114508549A (en) * | 2022-02-15 | 2022-05-17 | 宁波斯立福精密工业有限公司 | Bearing adapter sleeve of double-deck nested formula |
| CN114922897A (en) * | 2022-05-17 | 2022-08-19 | 常州汉谟机械科技有限公司 | Method for mounting and dismounting split type compression roller for granulator |
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| CN206017434U (en) * | 2016-08-31 | 2017-03-15 | 河北工业大学 | Bearing arrangement for pole piece milling train |
| CN206487781U (en) * | 2017-01-18 | 2017-09-12 | 山东九昌重工科技有限公司 | It is easy to the bearing of assembly or disassembly |
| CN208764152U (en) * | 2018-08-01 | 2019-04-19 | 太原重工轨道交通设备有限公司 | Rapid-assembling/disassembling formula bearing assembly |
| CN109958711A (en) * | 2017-12-23 | 2019-07-02 | 王芳 | A kind of quick-installed sleeve |
| CN110873118A (en) * | 2019-12-29 | 2020-03-10 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Composite thrust tapered roller turntable bearing |
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2020
- 2020-11-26 CN CN202011345601.8A patent/CN112628294A/en active Pending
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| GB190512863A (en) * | 1905-06-21 | 1906-06-21 | Archibald H Brintnell | Improvements in Roller Bearings. |
| JPH08159153A (en) * | 1994-12-01 | 1996-06-18 | Brother Ind Ltd | Bearing device |
| JPH11294467A (en) * | 1998-04-10 | 1999-10-26 | Ntn Corp | Bearing with tapered bore, and mounting method for the bearing |
| JP2000337379A (en) * | 1999-05-26 | 2000-12-05 | Niigata Eng Co Ltd | Sliding bearing and inner diameter size adjusting method for inner periphery of sliding bearing |
| US20050259905A1 (en) * | 2004-05-19 | 2005-11-24 | Hansen Kurt L | Taper lock bearing assembly |
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| CN109958711A (en) * | 2017-12-23 | 2019-07-02 | 王芳 | A kind of quick-installed sleeve |
| CN208764152U (en) * | 2018-08-01 | 2019-04-19 | 太原重工轨道交通设备有限公司 | Rapid-assembling/disassembling formula bearing assembly |
| CN110873118A (en) * | 2019-12-29 | 2020-03-10 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Composite thrust tapered roller turntable bearing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074187A (en) * | 2021-04-10 | 2021-07-06 | 山东瑞新轴承制造有限公司 | Industrial silt-prevention cylindrical roller bearing |
| CN113074187B (en) * | 2021-04-10 | 2022-09-02 | 山东瑞新轴承制造有限公司 | Industrial silt-prevention cylindrical roller bearing |
| CN114508549A (en) * | 2022-02-15 | 2022-05-17 | 宁波斯立福精密工业有限公司 | Bearing adapter sleeve of double-deck nested formula |
| CN114922897A (en) * | 2022-05-17 | 2022-08-19 | 常州汉谟机械科技有限公司 | Method for mounting and dismounting split type compression roller for granulator |
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Application publication date: 20210409 |