CN108757725B - Double-layer durable bearing for straightening roller - Google Patents
Double-layer durable bearing for straightening roller Download PDFInfo
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- CN108757725B CN108757725B CN201811035811.XA CN201811035811A CN108757725B CN 108757725 B CN108757725 B CN 108757725B CN 201811035811 A CN201811035811 A CN 201811035811A CN 108757725 B CN108757725 B CN 108757725B
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- annular plate
- ring
- wall
- roller
- rollers
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- 230000007704 transition Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/49—Bearings with both balls and rollers
- F16C19/492—Bearings with both balls and rollers with two or more rows with angular contact
- F16C19/495—Bearings with both balls and rollers with two or more rows with angular contact with two rows
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
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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
- F16C33/32—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
- F16C33/34—Rollers; Needles
- F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
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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
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A double-layer durable bearing for a straightening roller relates to a straightening roller bearing, wherein an inner ring (11) is sleeved in a middle ring (9), rollers (6) with the same number as a plurality of inserted columns B (30) arranged on an annular plate C (8) are arranged between the inner ring (11) and the middle ring (9) at intervals, the middle ring (9) is sleeved in an outer ring (2), and other rollers (6) with the same number as a plurality of inserted columns A (25) arranged on an annular plate A (4) are arranged between the middle ring (9) and the outer ring (2) at intervals; according to the roller straightening machine, the rollers are arranged in the structure that the balls are arranged in the middle of the rollers, and the proper arc-shaped annular grooves are respectively arranged on the inner wall of the outer ring, the outer wall of the middle ring, the inner wall of the middle ring and the outer wall of the inner ring, and the rollers are respectively arranged between the outer ring and the middle ring as well as between the middle ring and the inner ring, so that the purposes of improving the bearing capacity of the straightening roller bearing and realizing durable operation are achieved.
Description
Technical Field
The invention relates to a straightening roller bearing, in particular to a double-layer durable bearing for a straightening roller.
Background
The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision of the mechanical rotating body; the straightener is equipment for straightening metal profiles, bars, pipes, wires and the like. The straightening machine extrudes the bar material and the like through the straightening roller to change the straightness. The core of the straightening roller is a straightening bearing in the straightening roller, and the traditional straightening bearing has the characteristics of weaker bearing capacity, shorter service life, low sealing and lubricating degree and the like, so that the movement precision of the straightening roller is poor, and the straightening effect of the straightener is poor.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a double-layer durable bearing for a straightening roller, which is characterized in that the rollers are of a structure that balls are arranged in the middle of the rollers, and proper arc-shaped annular grooves are respectively arranged on the inner wall of an outer ring, the outer wall of a middle ring, the inner wall of the middle ring and the outer wall of an inner ring, and the rollers are respectively arranged between the outer ring and the middle ring as well as between the middle ring and the inner ring, so that the aim of improving the bearing capacity and durable operation of the bearing for the straightening roller is fulfilled.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
a double-layer durable bearing for a straightening roller comprises an outer ring, a roller, a middle ring, a retainer A, a retainer B and an inner ring, wherein an arc-shaped ring groove A is arranged in the middle of the inner wall of the outer ring, an arc-shaped ring groove B is arranged in the middle of the outer wall of the middle ring, an arc-shaped ring groove C is arranged in the middle of the inner wall of the middle ring, an arc-shaped ring groove D is arranged in the middle of the outer wall of the inner ring, the roller comprises a roller, a concentric ball is arranged in the middle of the roller, the diameter of the ball is larger than that of the roller, a through hole is formed between two ends of the roller, the retainer A comprises an annular plate A, an annular plate B and a pin A, the annular plate A and the annular plate B are oppositely arranged, a plurality of inserting posts A are respectively arranged at opposite positions of the opposite surfaces of the annular plate A and the annular plate B at equal intervals around a central hole, a plurality of inserting posts A are respectively arranged on the annular plate B, screw holes A are respectively arranged at the end parts of a plurality of support rods B, through holes A are respectively arranged at the positions corresponding to the support rods B on the annular plate A, nail grooves A are respectively arranged at the edge parts of the through holes A on the back sides of the annular plate A and the back sides of the annular plate B, a nail cap A is arranged at one end of each pin A, a retainer B comprises an annular plate C, an annular plate D and a pin B, a plurality of inserting posts B are respectively arranged at the opposite positions of the opposite sides of the annular plate C and the annular plate D at equal intervals around a central hole, support rods A are respectively arranged between the inserting posts B arranged on the annular plate D, screw holes B are respectively arranged at the end parts of the support rods A, a nail groove B is respectively arranged at the edge parts of the annular plate C and the back sides of the annular plate D, the novel annular ring comprises a pin B, wherein a nut B is arranged at one end of the pin B, an inner ring is sleeved in a middle ring, rollers with the same number as that of a plurality of inserted posts B arranged on an annular plate C are arranged between the inner ring and the middle ring at intervals, balls arranged in the middle of the rollers are respectively contacted with an arc-shaped annular groove C and an arc-shaped annular groove D, rollers arranged on the rollers are respectively contacted with the inner wall and the outer wall of the middle ring, the annular plate C and the annular plate D are respectively arranged at two ends of a plurality of rollers, the inserted posts B respectively arranged on the annular plate C and the annular plate D extend into the two ends of a through hole, the end part of a supporting rod A arranged on the annular plate D is abutted to the annular plate C, the positions of the screw holes B correspond to the positions of the screw holes B, the other ends of the pin B penetrate through the screw holes B and are in screw holes B, the screw caps B are arranged in the screw grooves B, the middle ring is sleeved on the outer ring, the balls arranged on the annular plate A are respectively contacted with the arc-shaped annular grooves A, the balls arranged in the other ends of the rollers are respectively contacted with the inner ring and the outer wall of the outer ring, the other ends of the annular plates are respectively contacted with the two ends of the annular grooves A, the end parts of the two ends of the supporting rod A are respectively arranged at the screw holes A correspond to the screw caps A, and the other ends of the end part of the pin A are respectively arranged at the screw holes A and the ends of the end of the screw holes A are respectively arranged at the ends of the screw holes A and the end of the end A respectively correspond to the end of the screw rod A.
The straightening roller is a double-layer durable bearing, and the lengths of the inserted column A and the inserted column B are respectively smaller than a roller with a half length.
The length of the supporting rod A and the length of the supporting rod B are respectively the same as the length of the roller.
The straightening roller is a double-layer durable bearing, and the outer wall of the outer ring is of an annular plane structure.
The straightening roller is a double-layer durable bearing, and chamfer transition is arranged between the outer wall of the outer ring and two end surfaces of the outer ring.
The straightening roller is a double-layer durable bearing, and the inner wall of the inner ring is of an annular plane structure.
The straightening roller is a double-layer durable bearing, and chamfer transition is arranged between the inner wall of the inner ring of the straightening roller and two end faces of the inner ring of the straightening roller.
The straightening roller is provided with double-layer durable bearings, and cross grooves are respectively formed in the end parts of the nut A and the nut B.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the double-layer durable bearing for the straightening roller, the rollers are arranged in the structure that the balls are arranged in the middle of the rollers, the inner wall of the outer ring, the outer wall of the middle ring, the inner wall of the middle ring and the outer wall of the inner ring are respectively provided with the proper arc-shaped annular grooves, the rollers are respectively arranged between the outer ring and the middle ring, between the middle ring and the inner ring, and the rollers are arranged in the structure that the balls are arranged in the middle of the rollers, so that the straightening roller bearing can bear radial and axial pressure, and the purposes of improving the bearing capacity of the straightening roller bearing and realizing durable operation are achieved; the invention has reasonable design, strong practicability, energy conservation and consumption reduction, effectively prolongs the service life of the bearing and has great market popularization value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the outer ring of the present invention;
FIG. 3 is a schematic view of the structure of the middle ring of the present invention;
FIG. 4 is a schematic view of the inner ring structure of the present invention;
FIG. 5 is a schematic view of the structure of the roller of the present invention;
fig. 6 is a schematic structural view of a cage a according to the present invention;
fig. 7 is a schematic structural view of a cage B of the present invention.
In the figure: 1. an outer ring outer wall; 2. an outer ring; 3. a roller; 4. an annular plate A; 5. a ball; 6. a roller; 7. an annular plate B; 8. an annular plate C; 9. a middle ring; 10. an annular plate D; 11. an inner ring; 12. an inner wall of the inner ring; 13. a pin A; 14. a support rod A; 15. a support rod B; 16. an inner wall of the outer ring; 17. an arc-shaped ring groove A; 18. the outer wall of the middle ring; 19. an arc-shaped ring groove B; 20. the inner wall of the middle ring; 21. an arc-shaped ring groove C; 22. an outer wall of the inner ring; 23. an arc-shaped ring groove D; 24. a through hole; 25. inserting a column A; 26. a screw hole A; 27. perforating A; 28. a nail groove A; 29. a nail cap A; 30. a plug B; 31. a screw hole B; 32. perforating B; 33. a nail groove B; 34. a pin B; 35. and a nail cap B.
Description of the embodiments
The invention will be explained in more detail by the following examples, which are not intended to limit the invention thereto, and the purpose of the present invention is to protect all changes and modifications within the scope of the invention;
the double-layer durable bearing for the straightening roller comprises an outer ring 2, rollers 6, a middle ring 9, a retainer A, a retainer B and an inner ring 11, wherein an arc-shaped annular groove A17 is arranged in the middle of an inner ring wall 16 of the outer ring 2, an arc-shaped annular groove B19 is arranged in the middle of a middle ring outer wall 18 of the middle ring 9, an arc-shaped annular groove C21 is arranged in the middle of a middle ring inner wall 20 of the middle ring 9, an arc-shaped annular groove D23 is arranged in the middle of an outer ring outer wall 22 of the inner ring 11, the outer ring outer wall 1 of the outer ring 2 is of an annular plane structure, chamfer transition is arranged between the outer ring outer wall 1 of the outer ring 2 and two end surfaces of the outer ring 2, the inner ring inner wall 12 of the inner ring 11 is of an annular plane structure, chamfer transition is arranged between the inner ring wall 12 of the inner ring 11 and two end surfaces of the inner ring 11, the roller 6 comprises a roller 3, concentric balls 5 are arranged in the middle of the roller 3, and the diameter of the balls 5 is larger than that of the roller 3, a through hole 24 is arranged between two ends of the roller 3, the retainer A comprises an annular plate A4, an annular plate B7 and a pin A13, the annular plate A4 and the annular plate B7 are oppositely arranged, a plurality of inserting posts A25 are respectively arranged at opposite positions of opposite surfaces of the annular plate A4 and the annular plate B7 at equal intervals around a central hole, a supporting rod B15 is respectively arranged among the inserting posts A25 arranged on the annular plate B7, screw holes A26 are respectively arranged at ends of the supporting rods B15, a through hole A27 is respectively arranged at positions corresponding to the supporting rods B15 on the annular plate A4, a nail groove A28 is arranged at the edge part of the through hole A27 on the opposite surfaces of the annular plate A4 and the annular plate B7, a nail cap A29 is arranged at one end of the pin A13, the retainer B comprises an annular plate C8, an annular plate D10 and a pin B34, the annular plate C8 and the annular plate D10 are oppositely arranged, a plurality of inserting posts B30 are respectively arranged at opposite positions of opposite surfaces of the annular plate C8 and the annular plate D10 at equal intervals around a central hole, supporting rods A14 are respectively arranged among the plurality of inserting posts B30 arranged on the annular plate D10, screw holes B31 are respectively arranged at the end parts of the plurality of supporting rods A14, through holes B32 are respectively arranged at positions corresponding to the plurality of supporting rods A14 on the annular plate C8, nail grooves B33 are respectively arranged at edge parts of the through holes B32 on the annular plate C8 and the opposite back surface of the annular plate D10, a nail cap B35 is arranged at one end of the nail B34, the lengths of the inserting posts A25 and the inserting posts B30 are respectively smaller than one half of the length of a roller 3, the lengths of the supporting rods A14 and the supporting rods B15 are respectively identical to the lengths of the roller 3, an inner ring 11 is sleeved in a middle ring 9, a plurality of rollers 6 with the same number of the inserting posts B30 arranged on the annular plate C8 are respectively arranged between the inner ring 11 and the middle ring 9, balls 5 arranged in the middle of the rollers 6 are respectively contacted with the arc-shaped annular grooves C21 and the arc-shaped annular grooves D23, the roller 3 that roller 6 was equipped with contacts with middle circle inner wall 20, inner circle outer wall 22 respectively, annular slab C8 and annular slab D10 are arranged in the both ends of a plurality of rollers 6 respectively, annular slab C8 and annular slab D10 are equipped with respectively the inserted pin B30 and are stretched into by the both ends of through-hole 24 respectively, the tip of bracing piece A14 that is equipped with on annular slab D10 supports on annular slab C8, screw hole B31 and the position of perforation B32 correspond, the other end of pin B34 passes behind the perforation B32 and screw hole B31 spiro union, nut B35 is arranged in nail groove B33, middle circle 9 overlaps in outer lane 2, other rollers 6 interval that the quantity is equal with a plurality of inserted pins A25 that are equipped with on annular slab A4 are arranged between middle circle 9 and outer lane 2, the ball 5 that other rollers 6 are equipped with in the middle part contacts with arc annular groove A17, arc annular groove B19 respectively, other rollers 3 that roller 6 are equipped with respectively with outer lane inner wall 16, the outer wall 18 of the middle ring contacts, the annular plate A4 and the annular plate B7 are respectively arranged at two ends of other rollers 6, the inserted posts A25 respectively arranged on the annular plate A4 and the annular plate B7 extend into the two ends of the through holes 24 respectively arranged on other rollers 6, the end parts of the supporting rods B15 arranged on the annular plate B7 are propped against the annular plate A4, the positions of the screw holes A26 and the positions of the screw holes A27 are corresponding, the other end of the pin A13 passes through the screw holes A27 and is in threaded connection with the screw holes A26, the nut A29 is arranged in the nut groove A28, and cross grooves are respectively arranged at the end parts of the nut A29 and the nut B35.
When the double-layer durable bearing for the straightening roller is used, a proper amount of bearing oil is smeared on the inner wall 20 of the middle ring 9 and in the arc-shaped annular groove C21, a proper amount of bearing oil is smeared on the outer wall 22 of the inner ring 11 and in the arc-shaped annular groove D23, the middle ring 9 is sleeved outside the inner ring 11, the middle ring 9 and the inner ring 11 are eccentric, a proper amount of rollers 6 are placed between the middle ring 9 and the inner ring 11, the balls 5 are arranged between the arc-shaped annular groove C21 and the arc-shaped annular groove D23, the rollers 6 are separated and positioned, inserting posts B30 respectively arranged on the annular plate C8 and the annular plate D10 extend into the two ends of the through holes 24 respectively, the end parts of supporting rods A14 arranged on the annular plate D10 are abutted on the annular plate C8, the positions of the screw holes B31 correspond to the positions of the through holes B32, the other ends of the pins B34 penetrate through the through holes B32 and are in threaded connection with the screw holes B31, proper bearing oil is smeared on the inner wall 16 of the outer ring 2 and in the arc-shaped annular groove A17, proper bearing oil is smeared on the outer wall 18 of the middle ring 9 and in the arc-shaped annular groove B19, the outer ring 2 is sleeved outside the middle ring 9, the outer ring 2 and the middle ring 9 are eccentric, proper other rollers 6 are placed between the outer ring 2 and the middle ring 9, the balls 5 of the other rollers 6 are placed between the arc-shaped annular groove A17 and the arc-shaped annular groove B19, the other rollers 6 are separated and positioned, inserting posts A25 respectively arranged on the annular plate A4 and the annular plate B7 extend into the two ends of through holes 24 respectively arranged on the other rollers 6, the end parts of supporting rods B15 arranged on the annular plate B7 are propped against the annular plate A4, the positions of the screw holes A26 correspond to the positions of the through holes A27, and the other ends of the pins A13 penetrate through the through holes A27 and are in screwed connection with the screw holes A26.
The invention is not described in detail in the prior art.
Claims (5)
1. The utility model provides a double-deck durability bearing for straightener roll, includes outer lane (2), roller (6), well circle (9), holder A, holder B and inner circle (11), characterized by: an arc ring groove A (17) is arranged in the middle of an outer ring inner wall (16) of an outer ring (2), an arc ring groove B (19) is arranged in the middle of a middle ring outer wall (18) of a middle ring (9), an arc ring groove C (21) is arranged in the middle of a middle ring inner wall (20) of the middle ring (9), an arc ring groove D (23) is arranged in the middle of an inner ring outer wall (22) of an inner ring (11), a roller (6) comprises a roller (3), a concentric ball (5) is arranged in the middle of the roller (3), the diameter of the ball (5) is larger than that of the roller (3), a through hole (24) is formed between two ends of the roller (3), the retainer A comprises an annular plate A (4), an annular plate B (7) and a pin A (13), the annular plate A (4) and the annular plate B (7) are oppositely arranged, a plurality of inserting posts A (25) are respectively arranged at opposite positions of the annular plate A (4) and the annular plate B (7) at equal intervals around the center hole, a plurality of inserting posts A (25) are respectively arranged between the inserting posts A (25) arranged on the annular plate B (7), a plurality of the supporting rods B (15) are respectively arranged at the opposite positions of the annular plate A (4) and the supporting rods (26) respectively, the edge part of the perforation A (27) on the opposite surface of the annular plate A (4) and the annular plate B (7) is provided with a nail groove A (28), one end of the pin A (13) is provided with a nail cap A (29), the retainer B comprises an annular plate C (8), an annular plate D (10) and a pin B (34), the annular plate C (8) and the annular plate D (10) are oppositely arranged, a plurality of inserting posts B (30) are respectively arranged on the opposite surface of the annular plate C (8) and the annular plate D (10) at intervals around a central hole, a plurality of inserting posts B (30) are respectively arranged between the plurality of inserting posts B (30) arranged on the annular plate D (10), the end part of the plurality of supporting posts A (14) is respectively provided with a screw hole B (31), the corresponding position of the annular plate C (8) and the plurality of supporting posts A (14) is respectively provided with a perforation B (32), the edge part of the annular plate C (8) and the perforation B (32) on the opposite surface of the annular plate D (10) is provided with a nail groove B (33), one end of the pin B (34) is provided with a plurality of inserting posts B (35) which are respectively arranged between the inner rings (9) and the inner rings (9) of the inner rings (9) which are arranged in the same number between the inner rings (9), the ball (5) arranged in the middle of the roller (6) is respectively contacted with the arc-shaped ring groove C (21) and the arc-shaped ring groove D (23), the roller (3) arranged in the roller (6) is respectively contacted with the inner wall (20) of the middle ring and the outer wall (22) of the inner ring, the annular plate C (8) and the annular plate D (10) are respectively arranged at two ends of a plurality of rollers (6), the inserted posts B (30) respectively arranged on the annular plate C (8) and the annular plate D (10) are respectively stretched into the two ends of the through holes (24), the end part of the supporting rod A (14) arranged on the annular plate D (10) is abutted against the annular plate C (8), the screw hole B (31) corresponds to the position of the perforated hole B (32), the other end of the pin B (34) passes through the perforated hole B (32) and is in threaded connection with the screw hole B (31), the nut B (35) is arranged in the screw groove B (33), the middle ring (9) is sleeved in the outer ring (2), a plurality of inserted posts A (25) arranged on the annular plate A (4) are respectively arranged between the annular plate A (6) and the arc-shaped ring groove C (8) at equal intervals, the other ends of the balls (19) are respectively contacted with the arc-shaped ring groove B (6) and the other rollers (17), the rollers (3) arranged on other rollers (6) are respectively contacted with the inner wall (16) of the outer ring and the outer wall (18) of the middle ring, the annular plate A (4) and the annular plate B (7) are respectively arranged at two ends of the other rollers (6), the inserted posts A (25) respectively arranged on the annular plate A (4) and the annular plate B (7) extend into the through holes (24) respectively arranged on the other rollers (6), the end parts of the support rods B (15) arranged on the annular plate B (7) are abutted against the annular plate A (4), the positions of the threaded holes A (26) and the perforated holes A (27) are corresponding, the other ends of the pins A (13) penetrate through the perforated holes A (27) and are in threaded connection with the threaded holes A (26), and the screw caps A (29) are arranged in the screw grooves A (28);
the lengths of the inserted post A (25) and the inserted post B (30) are respectively smaller than a roller (3) with a half length;
the lengths of the supporting rod A (14) and the supporting rod B (15) are respectively the same as the length of the roller (3);
the end parts of the nail cap A (29) and the nail cap B (35) are respectively provided with cross grooves.
2. The double-layer durable bearing for straightening rollers according to claim 1, characterized in that: the outer ring outer wall (1) of the outer ring (2) is of an annular plane structure.
3. The double-layer durable bearing for straightening rollers according to claim 2, characterized in that: the chamfer transition is arranged between the outer ring outer wall (1) of the outer ring (2) and two end surfaces of the outer ring (2).
4. The double-layer durable bearing for straightening rollers according to claim 1, characterized in that: the inner wall (12) of the inner ring (11) is of an annular plane structure.
5. The double-layer durable bearing for straightening rolls according to claim 4, characterized in that: the inner wall (12) of the inner ring (11) and the two end surfaces of the inner ring (11) are in chamfer transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035811.XA CN108757725B (en) | 2018-09-06 | 2018-09-06 | Double-layer durable bearing for straightening roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035811.XA CN108757725B (en) | 2018-09-06 | 2018-09-06 | Double-layer durable bearing for straightening roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757725A CN108757725A (en) | 2018-11-06 |
| CN108757725B true CN108757725B (en) | 2024-03-15 |
Family
ID=63966655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811035811.XA Active CN108757725B (en) | 2018-09-06 | 2018-09-06 | Double-layer durable bearing for straightening roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757725B (en) |
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|---|---|---|---|---|
| JP2000230568A (en) * | 1999-02-15 | 2000-08-22 | Toyoda Mach Works Ltd | Ball type constant velocity joint |
| CN201407280Y (en) * | 2009-04-30 | 2010-02-17 | 瓦房店冶金轴承集团有限公司 | High-precision rolling machine supporting-roller sealing cylindrical roller bearing |
| CN201687860U (en) * | 2010-03-24 | 2010-12-29 | 无锡市滚动轴承有限公司 | Split type retainer aligning roller bearing |
| CN208669845U (en) * | 2018-09-06 | 2019-03-29 | 洛阳智多鑫机械科技有限公司 | A kind of double-deck durability bearing of straightening roll |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6623167B2 (en) * | 2001-05-03 | 2003-09-23 | Deere & Company | Arrangement for clamping inner bearing race to non-circular section shaft and for preventing axial load in the bearing, axial creep and rotational knock |
-
2018
- 2018-09-06 CN CN201811035811.XA patent/CN108757725B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230568A (en) * | 1999-02-15 | 2000-08-22 | Toyoda Mach Works Ltd | Ball type constant velocity joint |
| CN201407280Y (en) * | 2009-04-30 | 2010-02-17 | 瓦房店冶金轴承集团有限公司 | High-precision rolling machine supporting-roller sealing cylindrical roller bearing |
| CN201687860U (en) * | 2010-03-24 | 2010-12-29 | 无锡市滚动轴承有限公司 | Split type retainer aligning roller bearing |
| CN208669845U (en) * | 2018-09-06 | 2019-03-29 | 洛阳智多鑫机械科技有限公司 | A kind of double-deck durability bearing of straightening roll |
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|---|---|
| CN108757725A (en) | 2018-11-06 |
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