CN210318174U - Double-row tapered roller bearing - Google Patents
Double-row tapered roller bearing Download PDFInfo
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- CN210318174U CN210318174U CN201920920125.4U CN201920920125U CN210318174U CN 210318174 U CN210318174 U CN 210318174U CN 201920920125 U CN201920920125 U CN 201920920125U CN 210318174 U CN210318174 U CN 210318174U
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- clamping rod
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Abstract
The utility model discloses a double-row tapered roller bearing, including bearing inner race, spacing kelly, fly leaf, circular cone inner circle subassembly, bearing inner circle, the annular has been seted up to the surface of bearing inner race, and the surface of annular is equipped with multiunit oil filler point, and the inside activity of oil filler point is inserted and is equipped with spacing kelly and activity kelly; the limiting clamping rod moves to the end part of the movable clamping rod, oil is filled into the oil filling hole at the moment, and lubricating oil finally enters between the bearing inner ring and the bearing outer ring along the oil filling hole through the oil filling groove and contacts with the conical inner ring assembly to achieve the purpose of lubrication; the limiting clamping rod can rotate along the surface of the oil filling hole, and after oil filling is finished, the movable clamping rod moves upwards under the elastic force of the spring until the movable clamping rod is flush with the limiting clamping rod, and can be clamped inside the oil filling hole at the moment, so that the oil filling hole is prevented from being blocked by dust and the like; reasonable in design, convenient to use has improved the novelty, greatly increased the practicality.
Description
Technical Field
The utility model relates to a bearing technical field specifically is a double-row tapered roller bearing.
Background
The tapered roller bearing belongs to a separated bearing, and the inner ring and the outer ring of the bearing are both provided with tapered roller paths. The bearing is divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers. The single-row tapered roller bearing can bear radial load and single-direction axial load. The double-row novel double-row tapered roller bearing can bear larger axial and radial combined load and has strong rigidity; can be axially fixed in both directions and has axial play; traditional double-row tapered roller bearing has filling lubricating oil difficulty, and during the while oiling, because there is not safeguard measure around the oil filler point, the condition that leads to the oil filler point to take place to block up easily, for this the utility model provides a double-row tapered roller bearing is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-row tapered roller bearing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a double-row tapered roller bearing comprises a bearing outer ring, a limiting clamping rod, a movable plate, a tapered inner ring assembly and a bearing inner ring, wherein an annular groove is formed in the outer surface of the bearing outer ring, a plurality of groups of oil injection holes are formed in the surface of the annular groove, the limiting clamping rod and the movable clamping rod are movably inserted in the oil injection holes, the limiting clamping rod can rotate along the oil injection holes, and the lower end of the movable clamping rod is vertically connected with the upper surface of the movable plate;
the inner wall of the bearing outer ring is provided with a bottom plate, the lower surface of the movable plate is fixedly provided with a spring, the lower end of the spring is connected with the surface of the bottom plate, the surface of the bottom plate is provided with an inner hole, the bottom plate and the spring are movably arranged inside the bearing outer ring, the inner wall of the bearing outer ring is provided with an oil injection groove, and the lower end of the oil injection groove is communicated with the inner hole;
the bearing inner ring is arranged on the inner side of the bearing outer ring, and the conical inner ring assembly is rotatably arranged between the bearing inner ring and the bearing outer ring.
Preferably, the number of the oil injection holes is 6, the oil injection holes are distributed on the surface of the bearing outer ring at equal intervals, a limit groove with an annular cross section is formed in the bearing outer ring, and one end of the limit groove is communicated with the oil injection holes.
Preferably, the limiting clamping rod and the movable clamping rod are rod-shaped structures with semicircular cross sections, the limiting block is welded on the outer side of the limiting clamping rod, and one side of the limiting block is movably clamped in the limiting groove.
Preferably, the lower end of the inner side of the limiting clamping rod is vertically welded with a supporting rod, one end of the supporting rod is in contact with the surface of the oil filling hole, a movable groove is formed in the middle of the movable clamping rod in a penetrating mode, and one end of the supporting rod can movably penetrate through the surface of the movable groove.
Preferably, a sliding plate is welded to the upper surface of the movable plate, the sliding plate is of a plate-shaped structure with a wedge-shaped cross section, and the sliding plate can move to one side of the oil filling groove.
Preferably, a space ring is arranged between every two adjacent conical inner ring assemblies and connected with the inner side of the bearing inner ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the limiting clamping rod moves to the end part of the movable clamping rod, oil is filled into the oil filling hole at the moment, and lubricating oil finally enters between the bearing inner ring and the bearing outer ring along the oil filling hole through the oil filling groove and contacts with the conical inner ring assembly to achieve the purpose of lubrication;
2. the limiting clamping rod can rotate along the surface of the oil filling hole, and after oil filling is finished, the movable clamping rod moves upwards under the elastic force of the spring until the movable clamping rod is flush with the limiting clamping rod, and can be clamped inside the oil filling hole at the moment, so that the oil filling hole is prevented from being blocked by dust and the like;
3. the utility model discloses simple structure, reasonable in design, convenient to use has improved the novelty, greatly increased the practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the bearing structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is the schematic structural view of the limit clamping rod and the movable clamping rod of the present invention.
In the figure: the bearing comprises a bearing outer ring 1, an 11 annular groove, a 12 oil injection hole, a 13 limit groove, a 14 oil injection groove, a 2 limit clamping rod, a 21 limit block, a 22 abutting rod, a 3 movable plate, a 31 sliding plate, a 32 movable clamping rod, a 321 movable groove, a 33 spring, a 4 bottom plate, a 5 conical inner ring component and a 6 bearing inner ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a double-row tapered roller bearing comprises a bearing outer ring 1, a limiting clamping rod 2, a movable plate 3, a tapered inner ring assembly 5 and a bearing inner ring 6, wherein an annular groove 11 is formed in the outer surface of the bearing outer ring 1, a plurality of groups of oil injection holes 12 are formed in the surface of the annular groove 11, the limiting clamping rod 2 and a movable clamping rod 32 are movably inserted in the oil injection holes 12, the limiting clamping rod 2 can rotate along the oil injection holes 12, and the lower end of the movable clamping rod 32 is vertically connected with the upper surface of the movable plate 3;
the inner wall of the bearing outer ring 1 is provided with a bottom plate 4, the lower surface of the movable plate 3 is fixedly provided with a spring 33, the lower end of the spring 33 is connected with the surface of the bottom plate 4, the surface of the bottom plate 4 is provided with an inner hole, the bottom plate 4 and the spring 33 are movably arranged inside the bearing outer ring 1, the inner wall of the bearing outer ring 1 is provided with an oil injection groove 14, and the lower end of the oil injection groove 14 is communicated with the inner hole; when the lubrication device is used, the movable clamping rod 32 is extruded to move towards the tail end of the oil filling hole 12 until the movable clamping rod 32 leaves the oil filling hole 12, the limiting clamping rod 2 is rotated at the moment, the limiting clamping rod 2 moves to the end part of the movable clamping rod 32, the position of the movable clamping rod 32 is blocked and leaks out of the oil filling hole 12, oil is filled into the oil filling hole 12 at the moment, and the lubricating oil finally enters between the bearing inner ring 6 and the bearing outer ring 1 along the oil filling hole 12 through the oil filling groove 14 and contacts with the conical inner ring assembly 5 to achieve the purpose of lubrication;
the number of the oil injection holes 12 is 6, the oil injection holes are distributed on the surface of the bearing outer ring 1 at equal intervals, a limiting groove 13 with an annular section is formed in the bearing outer ring 1, and one end of the limiting groove 13 is communicated with the oil injection holes 12;
the limiting clamping rod 2 and the movable clamping rod 32 are both of rod-shaped structures with semicircular cross sections, the limiting block 21 is welded on the outer side of the limiting clamping rod 2, and one side of the limiting block 21 is movably clamped in the limiting groove 13;
the lower end of the inner side of the limiting clamping rod 2 is vertically welded with a supporting rod 22, one end of the supporting rod 22 is in contact with the surface of the oil filling hole 12, the middle part of the movable clamping rod 32 is provided with a movable groove 321 in a penetrating manner, and one end of the supporting rod 22 can movably penetrate through the surface of the movable groove 321; the abutting rod 22 is arranged, so that the limiting clamping rod 2 can rotate along the surface of the oil filling hole 12, and after oil filling is finished, the movable clamping rod 32 enables the movable clamping rod 32 to move upwards under the elastic force action of the spring 33 until the movable clamping rod is flush with the limiting clamping rod 2, and can be clamped inside the oil filling hole 12 at the moment, so that the oil filling hole 12 is prevented from being blocked by dust and the like;
the upper surface of the movable plate 3 is welded with a sliding plate 31, the sliding plate 31 is a plate-shaped structure with a wedge-shaped cross section, and the sliding plate 31 can move to one side of the oil filling groove 14; facilitating the flow of the lubricating oil from the slide plate 31 into the interior of the oil reservoir 14;
a space ring is arranged between the adjacent conical inner ring assemblies 5 and is connected with the inner side of the bearing inner ring 6;
the bearing inner ring 6 is arranged on the inner side of the bearing outer ring 1, and the conical inner ring assembly 5 is rotatably arranged between the bearing inner ring 6 and the bearing outer ring 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a double-row tapered roller bearing, includes bearing inner race (1), spacing kelly (2), fly leaf (3), cone inner circle subassembly (5), bearing inner circle (6), its characterized in that: an annular groove (11) is formed in the outer surface of the bearing outer ring (1), a plurality of groups of oil injection holes (12) are formed in the surface of the annular groove (11), a limiting clamping rod (2) and a movable clamping rod (32) are movably inserted into the oil injection holes (12), the limiting clamping rod (2) can rotate along the oil injection holes (12), and the lower end of the movable clamping rod (32) is vertically connected with the upper surface of the movable plate (3);
a bottom plate (4) is arranged on the inner wall of the bearing outer ring (1), a spring (33) is fixedly arranged on the lower surface of the movable plate (3), the lower end of the spring (33) is connected with the surface of the bottom plate (4), an inner hole is formed in the surface of the bottom plate (4), the bottom plate (4) and the spring (33) are movably arranged inside the bearing outer ring (1), an oil injection groove (14) is formed in the inner wall of the bearing outer ring (1), and the lower end of the oil injection groove (14) is communicated with the inner hole;
the bearing inner ring (6) is arranged on the inner side of the bearing outer ring (1), and the conical inner ring assembly (5) is rotatably arranged between the bearing inner ring (6) and the bearing outer ring (1).
2. The double-row tapered roller bearing according to claim 1, characterized in that: the oil filler holes (12) are 6 in number and distributed on the surface of the bearing outer ring (1) at equal intervals, a limiting groove (13) with an annular cross section is formed in the bearing outer ring (1), and one end of the limiting groove (13) is communicated with the oil filler holes (12).
3. The double-row tapered roller bearing according to claim 2, characterized in that: spacing kelly (2) are semicircular shaft-like structure with activity kelly (32) for cross sectional shape, the outside welding of spacing kelly (2) has stopper (21), the inside at spacing groove (13) is established to one side activity card of stopper (21).
4. The double-row tapered roller bearing according to claim 1, characterized in that: the lower end of the inner side of the limiting clamping rod (2) is vertically welded with a supporting rod (22), one end of the supporting rod (22) is in contact with the surface of the oil filling hole (12), a movable groove (321) is formed in the middle of the movable clamping rod (32) in a penetrating mode, and one end of the supporting rod (22) can movably penetrate through the surface of the movable groove (321).
5. The double-row tapered roller bearing according to claim 1, characterized in that: the upper surface of the movable plate (3) is welded with a sliding plate (31), the sliding plate (31) is of a plate-shaped structure with a wedge-shaped section, and the sliding plate (31) can move to one side of the oil filling groove (14).
6. The double-row tapered roller bearing according to claim 1, characterized in that: and a space ring is arranged between every two adjacent conical inner ring assemblies (5), and the space ring is connected with the inner side of the bearing inner ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920920125.4U CN210318174U (en) | 2019-06-18 | 2019-06-18 | Double-row tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920920125.4U CN210318174U (en) | 2019-06-18 | 2019-06-18 | Double-row tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210318174U true CN210318174U (en) | 2020-04-14 |
Family
ID=70144804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920920125.4U Active CN210318174U (en) | 2019-06-18 | 2019-06-18 | Double-row tapered roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210318174U (en) |
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2019
- 2019-06-18 CN CN201920920125.4U patent/CN210318174U/en active Active
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