CN218093888U - Combined roller bearing - Google Patents
Combined roller bearing Download PDFInfo
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- CN218093888U CN218093888U CN202221287011.9U CN202221287011U CN218093888U CN 218093888 U CN218093888 U CN 218093888U CN 202221287011 U CN202221287011 U CN 202221287011U CN 218093888 U CN218093888 U CN 218093888U
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- roller
- roller bearing
- bearing
- cylindrical roller
- mounting hole
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Abstract
The utility model discloses a combined roller bearing, which relates to the technical field of bearings and solves the technical problem that the existing bearing has low bearing radial load, and comprises an inner ring, an outer ring, a roller mounting hole plug, a taper pin, a bolt and a mounting base, wherein a first cylindrical roller is arranged in an inner diameter groove of the outer ring, an O-shaped rubber seal is arranged in an outer diameter groove of the inner ring, the outer ring is sleeved with the inner ring, after a second cylindrical roller is filled in a sleeved roller mounting hole, the roller mounting hole plug is sealed and fixed by the taper pin, and the end of the inner ring close to the second cylindrical roller is connected with the mounting base through the bolt; the utility model discloses the first cylindrical roller bearing of multiseriate can bear great radial load, and alternately second cylindrical roller bearing can bear axial and radial load simultaneously, satisfies host computer radial load and axial load's requirement for the bearing can be stable always, effective reliable work.
Description
Technical Field
The utility model relates to a bearing technical field, more specifically relate to a combination roller bearing.
Background
The bearing is an important part in modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, the existing combined roller bearing is formed by combining and installing a radial main roller bearing and an axial auxiliary roller bearing, the structure is compact, the use is convenient, the bearing is widely applied to equipment such as a forklift gantry, a mobile carrying system, a lifting system and the like, the existing combined roller bearing is mainly used for bearing axial load and has defects in radial load, in the application of steamship equipment, radial and axial impact is brought by the swinging of a ship body, when the radial load is greater than the axial load, abnormal abrasion can occur, and slipping damage occurs between a steel ball and a non-bearing half inner ring.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the technical problem that current bearing bears the weight of the radial load and hangs down, the utility model provides a combined roller bearing, mainly used steamer equipment bears the radial load that rotary part acted on the outer lane and sways the two-way axial impact that brings with the hull.
The utility model adopts the technical scheme as follows: the utility model provides a combined roller bearing, includes inner circle, outer lane, roller mounting hole stopper, taper pin, bolt, installation base, be provided with first cylindrical roller in the internal diameter recess of outer lane, be provided with O type rubber seal in the external diameter recess of inner circle, the outer lane cup joints with the inner circle, wherein, cup joints the roller mounting hole that forms and fills behind the second cylindrical roller, with roller mounting hole stopper sealed, taper pin fixed roller mounting hole stopper, this end that the inner circle is close to second cylindrical roller passes through the bolt and is connected with the installation base.
The outer side of the mounting base is provided with an eccentric sleeve in an interference fit mode, the eccentric sleeve can adjust the center of the bearing during equipment mounting so as to make up deformation and errors in the machining process, and good contact between the outer ring of the bearing and the rotary component is guaranteed.
The inner ring is provided with the installation spigot step matched with the installation base, so that the installation is convenient, the alignment is easier, and the radial load effect is better.
The second cylindrical roller is replaced by a four-point contact ball, so that the mounting and adjustment are convenient, the use is maintenance-free, the moment from each direction can be borne, and the service life of the bearing is prolonged.
The four-point contact ball adopts a G5-grade steel ball, so that the bearing capacity can be met, and the bearing running stability is improved.
The first cylindrical roller and the second cylindrical roller are made of double vacuum smelting Cr4Mo4V steel, the material has good wear resistance and high-temperature dimensional temperature property, the maximum usable temperature can reach 310 ℃, and the using temperature margin meets the requirement.
The inner ring and the outer ring are made of double-vacuum Cr4Mo4V steel, the material has good wear resistance and high-temperature dimensional temperature property, the maximum usable temperature can reach 310 ℃, and the using temperature margin meets the requirement.
One end of the mounting base is provided with a flange connecting end, so that the bearing can be conveniently fixed.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the multi-row first cylindrical roller bearings of the utility model can bear larger radial load, the crossed second cylindrical roller bearings can bear axial and radial load simultaneously, and the requirements of radial load and axial load of the host are met, so that the bearings can work stably, effectively and reliably all the time; the eccentric sleeve arranged on the outer side of the mounting base can adjust the center of the bearing to compensate for deformation and errors in the machining process during equipment mounting, and good contact between the outer ring of the bearing and the rotary component is guaranteed.
Drawings
The invention will be described by way of example and with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 4 of the present invention;
labeled as: the method comprises the following steps of 1-inner ring, 2-O-shaped rubber seal, 3-outer ring, 4-first cylindrical roller, 5-second cylindrical roller, 6-roller mounting hole plug, 7-taper pin, 8-bolt, 9-mounting base and 10-eccentric sleeve.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a combined roller bearing, including an inner ring 1, an outer ring 3, a roller mounting hole plug 6, a taper pin 7, a bolt 8, and a mounting base 9, a first cylindrical roller 4 is disposed in an inner diameter groove of the outer ring 3, an O-shaped rubber seal 2 is disposed in an outer diameter groove of the inner ring 1, the outer ring 3 is sleeved with the inner ring 1, wherein after a second cylindrical roller 5 is filled in a roller mounting hole formed by sleeving, the roller mounting hole plug 6 is sealed by the roller mounting hole plug 6, the roller mounting hole plug 6 is fixed by the taper pin 7, and the end of the inner ring 1 close to the second cylindrical roller 5 is connected with the mounting base 9 through the bolt 8.
Example 2
On the basis of embodiment 1, installation base 9 outside interference fit is provided with eccentric cover 10, and eccentric cover 10 is a little higher than installation base 9, and when installation base 9 was connected with inner circle 1, the part that eccentric cover 10 is higher overlaps on outer lane 3, makes eccentric cover 10 can adjust the bearing center when equipment fixing in order to compensate deformation and error in the course of working, guarantees the good contact of bearing outer lane 3 and gyration part.
Example 3
On the basis of embodiment 1, the inner ring 1 is provided with the installation seam allowance step in a matched manner with the installation base 9, so that the installation is convenient, the alignment is easier, and the radial load effect is better.
Example 4
On the basis of any one of embodiments 1-3, as shown in fig. 2, the second cylindrical roller 5 is replaced by a four-point contact ball, so that the installation and adjustment are convenient, the use is maintenance-free, the moment from each direction can be borne, and the service life of the bearing is prolonged.
Example 5
On the basis of embodiment 4, the four-point contact ball adopts a G5-grade steel ball, so that the bearing capacity can be met, and the bearing operation stability is improved.
Example 6
On the basis of the embodiment 1, the first cylindrical roller 4 and the second cylindrical roller 5 are made of double vacuum smelting Cr4Mo4V steel, the material has good wear resistance and high-temperature dimensional temperature property, the maximum usable temperature can reach 310 ℃, and the using temperature margin meets the requirement.
Example 7
On the basis of embodiment 1, the materials of the inner ring 1 and the outer ring 3 are double-vacuum Cr4Mo4V steel, the materials have good wear resistance and high-temperature dimensional temperature property, the maximum usable temperature can reach 310 ℃, and the use temperature margin meets the requirement.
Example 8
On the basis of embodiment 1, the flange connecting end is arranged at one end of the mounting base 9, so that the bearing can be conveniently fixed.
The utility model discloses a theory of operation does: the utility model discloses an installation order does: placing a first cylindrical roller 4 in an inner diameter groove of an outer ring 3, then installing an O-shaped sealing ring in a sealing groove of an inner ring 1, penetrating the inner ring 1 into the outer ring 3 and the first cylindrical roller 4, placing a second cylindrical roller 5 in the roller mounting hole in a crossed manner of 90 degrees, then installing a roller mounting hole plug 6 plug, assembling a mounting base 9 and an eccentric sleeve 1010 (in interference fit), and connecting the mounting base 9 and the inner ring 1 through a bolt 8, wherein the mounting base 9 and the inner ring 1 are provided with mounting spigot steps; during the use, the utility model discloses an installation base 9 is connected with hull bolt 8, is connected with rotating member through inner circle 1, and the hull is when swaing, and first cylindrical roller 4 can bear great radial load, and second cylindrical roller 5 can bear axial and radial load simultaneously.
Claims (8)
1. The utility model provides a combination roller bearing, includes inner circle (1), outer lane (3), roller mounting hole stopper (6), taper pin (7), bolt (8), installation base (9), its characterized in that, be provided with first cylindrical roller (4) in the internal diameter recess of outer lane (3), be provided with O type rubber seal (2) in the external diameter recess of inner circle (1), outer lane (3) cup joint with inner circle (1), wherein, cup joint the roller mounting hole packing that forms and have second cylindrical roller (5) back, with roller mounting hole stopper (6) sealed, taper pin (7) fixed roller mounting hole stopper (6), this end that inner circle (1) is close to second cylindrical roller (5) is connected with installation base (9) through bolt (8).
2. A composite roller bearing according to claim 1, characterised in that the mounting base (9) is provided with an eccentric sleeve (10) on the outside in an interference fit.
3. A composite roller bearing according to claim 1, characterised in that the inner ring (1) is provided with a mounting spigot step in cooperation with a mounting base (9).
4. A composite roller bearing according to any of claims 1-3, characterised in that the second cylindrical rollers (5) are replaced by four-point contact balls.
5. The composite roller bearing according to claim 4, wherein said four-point contact balls are G5 grade steel balls.
6. A composite roller bearing according to claim 1, characterized in that the material of the first cylindrical roller (4) and the second cylindrical roller (5) is double vacuum smelted Cr4Mo4V steel.
7. A composite roller bearing according to claim 1, characterized in that the material of the inner ring (1) and the outer ring (3) is double vacuum Cr4Mo4V steel.
8. A composite roller bearing according to claim 1, characterised in that one end of the mounting base (9) is provided with a flanged connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221287011.9U CN218093888U (en) | 2022-05-25 | 2022-05-25 | Combined roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221287011.9U CN218093888U (en) | 2022-05-25 | 2022-05-25 | Combined roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218093888U true CN218093888U (en) | 2022-12-20 |
Family
ID=84462021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221287011.9U Active CN218093888U (en) | 2022-05-25 | 2022-05-25 | Combined roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218093888U (en) |
-
2022
- 2022-05-25 CN CN202221287011.9U patent/CN218093888U/en active Active
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