CN203500278U - Cylindrical roller and thrust cylindrical roller combined type bearing - Google Patents
Cylindrical roller and thrust cylindrical roller combined type bearing Download PDFInfo
- Publication number
- CN203500278U CN203500278U CN201320552535.0U CN201320552535U CN203500278U CN 203500278 U CN203500278 U CN 203500278U CN 201320552535 U CN201320552535 U CN 201320552535U CN 203500278 U CN203500278 U CN 203500278U
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- retainer
- cylindrical roller
- roller
- outer ring
- main shaft
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- 238000005096 rolling process Methods 0.000 claims description 13
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 3
- 238000013461 design Methods 0.000 description 16
- 238000012856 packing Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000004519 grease Substances 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 241000723353 Chrysanthemum Species 0.000 description 2
- 235000007516 Chrysanthemum Nutrition 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a cylindrical roller and thrust cylindrical roller combined type bearing which comprises an outer ring (1), a main shaft (2), radial rollers (3), an axial roller (4), a first retainer (5), a second retainer (6), an elastic cylindrical pin (7) and an O-shaped sealing ring (8) and is characterized in that three rows of radial rollers (3) are arranged in parallel between a roller path of the outer ring (1) and a journal of the main shaft (2); a high end surface (10) and a low end surface (10a) are arranged at the left end of the outer ring (1), and a sealing groove (12) is formed in the outer diameter surface of the outer ring (1); the axial roller (4) and a retainer component (6a) are arranged between a large end surface (13) at the right end of the outer ring (1) and a flange surface of the main shaft (2). The combined type bearing disclosed by the utility model makes full use of the effective mounting space in a tool bit, has the characteristics of high reliability, long service life, compact structure, good sealing property and flexibility and steadiness of rotation, and can bear relatively high axial and radial combined loads and impact loads and relatively large torsional moment at the same time; the manufacturing cost is low.
Description
Technical field
The utility model belongs to the application of bearing technology on pile foundation equipment cutter head main shaft, relates generally to the combined bearing of a kind of cylindrical roller and cylindrical roller thrust.
Background technique
Known, the facilities such as bridge, factory building, building, viaduct, before building, all need the hole of laying the foundations.What on stake machine knife head main shaft, adopt at present, is the single-row tapered roller bearing of paired mounting.This airframe bearing can bear radial and axial load simultaneously, and precision is high, rotating speed is high and rotation flexible.Be applicable to the geologic structure of mud, silt, sandstone.And while driving piles in the geologic structure of volcanic rock, granite, require bearing can bear higher joint load, impact load axially and radially simultaneously, and larger torsional moment, this airframe bearing often lost efficacy in advance.The form losing efficacy is: retainer fracture, raceway fatigue flake, roller crush, have to overhaul frequently and more renew bearing, even whole stake machine knife head is scrapped, and has increased the maintenance expenses of equipment, extended construction period, efficiency is low, has increased equipment and artificial cost.
Summary of the invention
In order to overcome the deficiency in background technique, the purpose of this utility model is to provide a kind of cylindrical roller and the combined bearing of cylindrical roller thrust, this bearing makes full use of the effective installing space in cutter head, have that reliability is high, long service life, compact structure, good seal performance, rotation flexibly, feature stably, can bear higher joint load, impact load axially and radially simultaneously, and larger torsional moment, and cheap for manufacturing cost.
The purpose of this utility model can adopt following technological scheme to realize: described bearing parts comprises: outer ring, main shaft, radial roller, axial roller, between the axle journal of the raceway of outer ring and cutter head main shaft, completely fill side by side three row radial rollers, outer ring left end has high and low two end faces, on outer diametric plane, has seal groove; Between outer ring right-hand member large end face and the flanged surface of cutter head main shaft, be provided with axial roller and retainer assembly.
Described retainer assembly consists of the first retainer, the second retainer, and two retainers are the structural type of two halves formula rolling element guiding, and wherein the first retainer is evenly distributed in cylindrical body pocket hole; There is lock point the upper-end surface in the first retainer pocket hole and lower end surface; On the first retainer aperture surface, be evenly equipped with R arc groove; The first retainer and the second retainer are connected and fixed with elastic cylindrical pin.
Described high and low two end faces have arc-shaped transition groove in joint.
The both ends of the surface of described radial and axial roller have depression, and rolling surface is the complete protruding spheric structure with bulge quantity.
On the external diameter of the first described cage bar, be evenly equipped with positioning hole I.
The second described retainer be evenly distributed in the first retainer on positioning hole I join the positioning hole II of brill.
By upper structure, can be found out, the bearing of the utility model design is: the combining form of outer ring, main shaft, radial roller, axial roller, the first retainer, the second retainer, elastic cylindrical pin, O RunddichtringO; Radially roller bearing adopts thickening outer ring wall thickness, strengthens roller diameter, utilizes the main shaft of cutter head as inner ring, three row are completely filled to roller to be arranged between outer ring raceway and the axle journal of cutter head main shaft, take full advantage of the useful space in cutter head, guaranteed the conformity of raceway, make to pack into the uniform bearing load of three row rollers energy of raceway, simultaneously facilitate again the processing of raceway and the assembling of bearing, improved the ability that bearing bears higher radial load, anti impulsion load and larger torsional moment simultaneously; The design of end thrust roller bearing is that the design of rolling element guidance mode, had both reduced frictional heating, had reduced friction noise in order to make bearing can bear higher axial load, can make again bearing rotary flexible; The design of O RunddichtringO, makes to coordinate gapless between bearing and cutter head endoporus, and intrusion that can block contaminant, can prevent leaking of lubricant grease again, has extended the working life of bearing.
Described outer ring left end has high and low two end faces, it adopts high end face to coordinate with the related components of cutter head, low end face does not contact with this part, reduced area of contact, reduced the generation of frictional heating and noise, high and low two end faces have arc-shaped transition groove in joint, the concentration phenomenon that effectively eliminates stress, has avoided the generation of crackle; On outer diametric plane, the design of seal groove facilitates packing into of O RunddichtringO; Utilize the flanged surface of outer ring right-hand member large end face and cutter head main shaft as the raceway of end thrust roller bearing, between outer ring right-hand member large end face and the flanged surface of cutter head main shaft, pack axial roller and retainer assembly into, compact optimizing structure design has improved axial carrying capacity and the reliability of bearing greatly.
Depression is worn at the two ends of radial and axial roller, for radial roller, can reduce the area of contact of three row roller end faces, for axial roller, can reduce the area of contact of junction, outer junction in roller end face and retainer pocket hole, reduced because of fricative fever phenomenon, in depression, also can store the grease of lubricate; Rolling surface is complete protruding SR, and bulge quantity is δ, and under fully loaded transportation condition, it can utilize the length of roller fully, makes stress distribution reach best, avoids roller edge to produce stress concentration phenomenon, improves the working life of bearing.The first retainer is the structural type of chrysanthemum type rolling element guiding, and this structural design facilitates the processing in pocket hole and packing into of axial roller, has reduced the difficulty of the first retainer processing technology and assembly technology; Cylindrical body pocket hole, can maximum area contain the rolling surface of axial roller, thereby realize bearing, turns round safely and smoothly; The lock point of the first retainer pocket hole upper and lower end, can upper and lower pinning pack the axial roller in the first retainer pocket hole into, and bearing rotary is flexible, controlled again the sag of chain of the first retainer simultaneously, make the flanged surface contact of the first retainer discord cutter head main shaft produce friction, on the first retainer internal diameter, be evenly equipped with R arc groove, reduced contacting of the first retainer internal diameter and cutter head main shaft step, reduced frictional heating and noise; On the external diameter of the first cage bar, be evenly equipped with the positioning hole of joining brill with the second retainer, facilitate packing into of elastic cylindrical pin, work to be connected and fixed the first retainer and the second retainer.
The internal diameter of the second retainer coordinates processing, assembling with the external diameter of the first retainer, work to prevent that axial roller from dropping out from the pocket hole of the first retainer, on the second retainer, be evenly equipped with the positioning hole of joining brill on the beam with the first retainer, facilitate packing into of elastic cylindrical pin, work to be connected and fixed the first retainer and the second retainer.
In sum, the utility model makes full use of the effective installing space in cutter head, have that reliability is high, long service life, compact structure, good seal performance, rotation flexibly, feature stably, can bear higher joint load, impact load axially and radially simultaneously, and larger torsional moment, and cheap for manufacturing cost.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is outer ring structure schematic diagram.
Accompanying drawing 3 is main shaft schematic diagram.
Accompanying drawing 4 is roller structure schematic diagram.
Accompanying drawing 5 is axial roller, retainer assembly schematic diagram.
Accompanying drawing 6 is the first retainer structural representation.
The A-A that accompanying drawing 7 is Fig. 6 is to sectional view.
The pocket hole B that accompanying drawing 8 is Fig. 6 is to schematic diagram.
Accompanying drawing 9 is the second retainer structural representation.
In figure: 1, outer ring, 2, main shaft, 3, radial roller, 4, axial roller, the 5, first retainer, the 6, second retainer, 6a, retainer assembly, 7, elastic cylindrical pin, 8, O RunddichtringO,
9, raceway, 10, high end face, 10a, low end face, 11, transition slot, 12, seal groove, 13, large end face, 14, axle journal, 15, step, 16, flanged surface, 17, rolling surface, 18, both ends of the surface, 19, depression, 20, pocket hole, 21, upper-end surface, 22, lower end surface, 23, lock point, 24, positioning hole I, 24a, positioning hole II, 25, R arc groove, 26, beam, 27, external diameter, 28, interior junction, 29, outer junction, 30, aperture surface, 31, internal diameter.
Embodiment
By reference to the accompanying drawings, specific embodiment of the utility model is described.
As shown in Figure 1: its part of the utility model bearing comprises: outer ring 1, main shaft 2, radial roller 3, axial roller 4, the first retainer 5, the second retainer 6, elastic cylindrical pin 7, O RunddichtringO 8.Radially roller bearing adopts thickening outer ring 1 wall thickness, strengthens roller diameter, utilizes the main shaft 2 of cutter head as inner ring, three row are completely filled to roller to be arranged between outer ring 1 raceway 9 and the axle journal 14 of main shaft 2, take full advantage of the useful space in cutter head, this design has improved the ability that bearing bears higher radial load, anti impulsion load and larger torsional moment; The design of end thrust cylindrical roller is in order to make bearing can bear higher axial load, and axially roller 4 adopts the mode of rolling element guiding, has both reduced frictional heating, has reduced friction noise, can make again bearing rotary flexible; The design of O RunddichtringO 8, makes to coordinate gapless between bearing and cutter head endoporus, and intrusion that can block contaminant, can prevent leaking of lubricant grease again, has extended the working life of bearing.
As shown in accompanying drawing 2, Fig. 3: the design form of outer ring 1 yi word pattern structure can utilize each working surface fully; Between the raceway 9 of outer ring 1 and the axle journal 14 of cutter head main shaft 2, can completely fill side by side three row radial rollers 3, this design has guaranteed the conformity of raceway 9, the uniform bearing load of three row radial rollers 3 energy that makes to pack into raceway 9, facilitates again the processing of raceway 9 and the assembling of bearing simultaneously; Outer ring 1 left end has high end face 10 and low end face 10a, this structural design adopts high end face 10 to coordinate with the related components of cutter head, low end face 10a does not contact with this part, reduced area of contact, reduced the generation of frictional heating and noise, high end face 10 and two end faces of low end face 10a have arc-shaped transition groove 11 in joint, the concentration phenomenon that effectively eliminates stress, has avoided the generation of crackle; On outer diametric plane, the design of seal groove 12 facilitates packing into of O RunddichtringO 8; Utilize the flanged surface 16 of outer ring 1 right-hand member large end face 13 and cutter head main shaft 2 as the raceway of end thrust roller bearing, between outer ring 1 right-hand member large end face 13 and the flanged surface 16 of cutter head main shaft 2, pack axial roller 4 and retainer assembly 6a into, compact optimizing structure design has improved axial carrying capacity and the reliability of bearing greatly.
As shown in accompanying drawing 4, Fig. 5: the both ends of the surface 18 band depressions 19 of radial roller 3 and axially roller 4, for radial roller 3, can reduce the area of contact of three row roller end faces 18, for axial roller 4, can reduce the area of contact of the interior junction 28 of roller end face 18 and retainer pocket hole 20, outer junction 29, reduced because of fricative fever phenomenon, in depression 19, also can store the grease of lubricate; Rolling surface 17 is complete protruding SR, and bulge quantity is δ, and under fully loaded transportation condition, it can utilize the length of roller fully, makes stress distribution reach best, avoids roller edge to produce stress concentration phenomenon, improves the working life of bearing.
As shown in accompanying drawing 6, Fig. 7, Fig. 8: the first retainer 5 is the structural type of chrysanthemum type rolling element guiding, this structural design facilitates the processing in pocket hole 20 and packing into of axial roller 4, has reduced the difficulty of the first retainer 5 processing technologys and assembly technology; Cylindrical body pocket hole 20, can maximum area contains the rolling surface 17 of axial roller 4, thereby realize bearing, turns round safely and smoothly; The lock point 23 in the first 20 21He lower end surfaces, upper-end surface 22, retainer 5 pocket hole, can upper and lower pinning pack the axial roller 4 in the first retainer 5 pocket holes 20 into, and bearing rotary is flexible, controlled again the sag of chain of the first retainer 5 simultaneously, make flanged surface 16 contacts of the first retainer 5 discord cutter head main shafts 2 produce friction, on the first retainer 5 aperture surfaces 30, be evenly equipped with R arc groove 25, reduced contacting of first retainer 5 aperture surface 30 and cutter head main shaft 2 steps 15, reduced frictional heating and noise; On the external diameter 27 of the first retainer 5 beams 26, be evenly equipped with the positioning hole I 24 of joining brill with the second retainer 6, facilitate packing into of elastic cylindrical pin 7, work to be connected and fixed the first retainer 5 and the second retainer 6.
As shown in Figure 9: the internal diameter 31 of the second retainer 6 coordinates processing, assembling with the external diameter 27 of the first retainer 5, work to prevent that axial roller 4 from dropping out from the pocket hole 20 of the first retainer 5, on the second retainer 6, be evenly equipped with the positioning hole II 24a that joins brill on the beam 26 with the first retainer 5, facilitate packing into of elastic cylindrical pin 7, work to be connected and fixed the first retainer 5 and the second retainer 6.
Claims (6)
1. a cylindrical roller and the combined bearing of cylindrical roller thrust, comprise outer ring (1), main shaft (2), radial roller (3), axial roller (4), the first retainer (5), the second retainer (6), elastic cylindrical pin (7), O RunddichtringO (8), it is characterized in that: between the raceway of outer ring (1) and the axle journal of main shaft (2), completely fill side by side three row radial rollers (3), outer ring (1) left end has high end face (10) and two end faces of low end face (10a), on outer diametric plane, there is seal groove (12), between the flanged surface of outer ring (1) right-hand member large end face (13) and main shaft (2), be provided with axial roller (4) and retainer assembly (6a).
2. the combined bearing of cylindrical roller according to claim 1 and cylindrical roller thrust, it is characterized in that: described retainer assembly consists of the first retainer (5) and the second retainer (6), two retainers are the structural type of two halves formula rolling element guiding, and wherein the first retainer (5) is evenly distributed in cylindrical body pocket hole; There is lock point (23) upper-end surface (21) and lower end surface (22) in the first retainer (5) pocket hole (20); On the first retainer (5) aperture surface (30), be evenly equipped with R arc groove (25); The first retainer (5) and the second retainer (6) are connected and fixed with elastic cylindrical pin (7).
3. the combined bearing of cylindrical roller according to claim 1 and cylindrical roller thrust, is characterized in that: described high end face (10) and low end face (10a) have arc-shaped transition groove in joint.
4. the combined bearing of cylindrical roller according to claim 1 and cylindrical roller thrust, it is characterized in that: described radial roller (3) and the axially both ends of the surface of roller (4) have depression (19), rolling surface (17) is for having the complete protruding spheric structure of bulge quantity.
5. the combined bearing of cylindrical roller according to claim 1 and cylindrical roller thrust, is characterized in that: on the external diameter of the first described cage bar, be evenly equipped with positioning hole I (24).
6. the combined bearing of cylindrical roller according to claim 1 and cylindrical roller thrust, is characterized in that: the second described retainer be evenly distributed in the first retainer on positioning hole I (24) join the positioning hole II (24a) of brill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552535.0U CN203500278U (en) | 2013-09-06 | 2013-09-06 | Cylindrical roller and thrust cylindrical roller combined type bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552535.0U CN203500278U (en) | 2013-09-06 | 2013-09-06 | Cylindrical roller and thrust cylindrical roller combined type bearing |
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| Publication Number | Publication Date |
|---|---|
| CN203500278U true CN203500278U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320552535.0U Expired - Fee Related CN203500278U (en) | 2013-09-06 | 2013-09-06 | Cylindrical roller and thrust cylindrical roller combined type bearing |
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| Country | Link |
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| CN (1) | CN203500278U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455338A (en) * | 2014-11-28 | 2015-03-25 | 国茂减速机集团有限公司 | Novel output flange supporting structure |
| CN105041861A (en) * | 2015-08-25 | 2015-11-11 | 中机洛阳轴承科技有限公司 | Cross cylindrical roller bearing with flange and check ring |
| CN109356998A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder heavy duty |
| CN109356999A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder high precision overloading |
| CN112112893A (en) * | 2020-08-28 | 2020-12-22 | 浙江天马轴承集团有限公司 | Self-aligning roller bearing |
| CN112211854A (en) * | 2020-11-10 | 2021-01-12 | 成都嘉陵华西光学精密机械有限公司 | Three-roller combined bearing fan bracket assembly structure |
-
2013
- 2013-09-06 CN CN201320552535.0U patent/CN203500278U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455338A (en) * | 2014-11-28 | 2015-03-25 | 国茂减速机集团有限公司 | Novel output flange supporting structure |
| CN105041861A (en) * | 2015-08-25 | 2015-11-11 | 中机洛阳轴承科技有限公司 | Cross cylindrical roller bearing with flange and check ring |
| CN109356998A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder heavy duty |
| CN109356999A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder high precision overloading |
| CN112112893A (en) * | 2020-08-28 | 2020-12-22 | 浙江天马轴承集团有限公司 | Self-aligning roller bearing |
| CN112211854A (en) * | 2020-11-10 | 2021-01-12 | 成都嘉陵华西光学精密机械有限公司 | Three-roller combined bearing fan bracket assembly structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 471000, Binhe Road, hi tech Zone, Henan, Luoyang, 18 Patentee after: CHINA MACHINERY LUOYANG EQUIPMENT TECHNOLOGY CO.,LTD. Address before: 471000, Binhe Road, hi tech Zone, Henan, Luoyang, 18 Patentee before: China Machinery Luoyang Bearing Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |