CN215624839U - Rotating base for aligning carrier roller support - Google Patents
Rotating base for aligning carrier roller support Download PDFInfo
- Publication number
- CN215624839U CN215624839U CN202122269120.XU CN202122269120U CN215624839U CN 215624839 U CN215624839 U CN 215624839U CN 202122269120 U CN202122269120 U CN 202122269120U CN 215624839 U CN215624839 U CN 215624839U
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- bearing
- main shaft
- rotating base
- disc
- tapered roller
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Abstract
The utility model relates to the field of belt conveyors, in particular to a rotating base for an aligning carrier roller support. The bearing comprises a main shaft and a bearing seat, wherein the diameter of an inner hole of the bearing seat is larger than that of the main shaft; the lower side cover of main shaft shoulder is equipped with tapered roller bearing, tapered roller bearing and main shaft interference fit, and the main shaft passes through tapered roller bearing to be installed in the bearing frame, and the upside of main shaft shoulder is fixed with the disc, goes up the top of disc arrangement bearing frame, is equipped with concentric and the spout of looks adaptation on bearing frame and the last disc respectively, is equipped with a plurality of ball in the spout, goes up the disc and passes through ball and bearing frame sliding connection. Sliding friction between a main shaft on the rotating base and the bearing seat is optimized to be rolling friction, friction surfaces between the main shaft and the bearing seat are reduced, two rolling friction pairs are formed through the balls and the tapered roller bearings, the rotating base is enabled to rotate flexibly, abrasion is effectively prevented while normal work of the rotating base is guaranteed, and service lives of the rotating base and the aligning carrier roller group are prolonged.
Description
Technical Field
The utility model relates to the field of belt conveyors, in particular to a rotating base for an aligning carrier roller support.
Background
At present, as shown in fig. 1, the rotating base of the aligning carrier roller bracket of each belt conveyor manufacturer mainly rotates by friction between a shaft and a shaft seat, and the friction rotation is direct friction of two parts on a metal surface; the contact area of the friction surfaces of the shaft and the shaft seat is large, the friction surfaces of the shaft and the shaft seat are subjected to direct sliding friction, the resistance is large, even the rotation is inflexible, the rotation of the shaft is influenced, the aligning idler set cannot play a role, in addition, the abrasion is serious, the friction surfaces between the shaft and the shaft seat are damaged, the revolute pair fails early, the rotating base is damaged, and the total service life of the aligning idler set is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides the rotating base for the aligning carrier roller bracket, which reduces the friction surface between a main shaft and a bearing seat, enables the rotating base to rotate flexibly, effectively prevents abrasion while ensuring the normal work of the rotating base, and prolongs the service life of the rotating base and the aligning carrier roller group.
The utility model solves the problems and adopts the technical scheme that:
a rotating base for an aligning carrier roller support comprises a main shaft and a bearing seat, wherein the diameter of an inner hole of the bearing seat is larger than that of the main shaft; the lower side cover of main shaft shoulder is equipped with tapered roller bearing, tapered roller bearing and main shaft interference fit, and the main shaft passes through tapered roller bearing to be installed in the bearing frame, and the upside of main shaft shoulder is fixed with the disc, goes up the top of disc arrangement bearing frame, is equipped with concentric and the spout of looks adaptation on bearing frame and the last disc respectively, is equipped with a plurality of ball in the spout, goes up the disc and passes through ball and bearing frame sliding connection.
Compared with the prior art, the utility model adopting the technical scheme has the outstanding characteristics that:
the sliding friction between the main shaft on the rotating base and the bearing seat is optimized into rolling friction, the friction surface between the main shaft and the bearing seat is reduced, two rolling friction pairs are formed by the balls and the tapered roller bearings, the resistance is further reduced, the rotating base can rotate flexibly, the rotating base is effectively prevented from being abraded while the normal work of the rotating base is ensured, and the service lives of the rotating base and the aligning carrier roller group are prolonged.
Preferably, the further technical scheme of the utility model is as follows:
the bearing seat comprises a bearing seat body and a lower disc sleeved and fixed on the upper side of the bearing seat body, the sliding groove is formed in the lower disc, and the upper part of the inner hole wall of the bearing seat body is provided with an annular boss; through foretell structure setting, the bearing frame is fixed on the bottom end rail of aligning bearing roller support through lower disc, sets up annular boss and is used for preventing tapered roller bearing upwards to remove and the shaft shoulder friction, avoids main shaft and tapered roller bearing wearing and tearing.
The upper end surface of the tapered roller bearing is contacted with the annular boss, the lower end surface of the tapered roller bearing is connected with a check ring sleeved on the main shaft, the lower part of the main shaft is in threaded connection with a nut, and the tapered roller bearing is fixed in the bearing seat through the annular boss, the check ring and the nut; through the structure, the tapered roller bearing is prevented from moving downwards to be separated from the main shaft, and the tapered roller bearing is fixed.
The bottom of the bearing seat is buckled and connected with a sealing cover; through setting up the closing cap and avoiding debris such as dust to get into in the bearing frame, guarantee to rotate the base and rotate in a flexible way.
The upper disc is in a door-shaped structure, and a mounting hole is formed in the center of the upper disc; through the structure, the upper disc can prevent impurities such as dust from falling into the rotating base, and the rotating effect of the rotating base is prevented from being influenced.
Drawings
FIG. 1 is a schematic illustration of a prior art front view configuration;
FIG. 2 is a schematic diagram of a front view configuration of an embodiment of the present invention;
in the figure: 1. a main shaft; 2. a bearing seat; 3. a shaft shoulder; 4. a tapered roller bearing; 5. an upper disc; 6. an upper chute; 7. a lower chute; 8. a ball bearing; 9. a bearing housing body; 10. a lower disc; 11. an annular boss; 12. a retainer ring; 13. a nut; 14. and (7) sealing the cover.
Detailed Description
The utility model will be better understood by the following description of embodiments thereof, but the applicant's specific embodiments are not intended to limit the utility model to the particular embodiments shown, and any changes in the definition of parts or features and/or in the overall structure, not essential changes, are intended to define the scope of the utility model.
Referring to fig. 2, the technical scheme of the utility model is as follows:
a rotating base for an aligning carrier roller support comprises a main shaft 1 and a bearing seat 2, wherein the diameter of an inner hole of the bearing seat 2 is larger than that of the main shaft 1; the lower side of a shaft shoulder 3 of a main shaft 1 is sleeved with a tapered roller bearing 4, the tapered roller bearing 4 is in interference fit with the main shaft 1, a gap is reserved between the lower bottom surface of the shaft shoulder 3 and the upper end surface of the tapered roller bearing 4 to prevent friction between the shaft shoulder 3 and the tapered roller bearing 4, the main shaft 1 is installed in a bearing seat 2 through the tapered roller bearing 4, lubricating grease is added into the tapered roller bearing 4 to enable the main shaft 1 to rotate in the bearing seat 2 through the tapered roller bearing 4, an upper disc 5 is fixedly welded on the upper side of the shaft shoulder 3 of the main shaft 1, the upper disc 5 is positioned above the bearing seat 2, the upper disc 5 is welded on an upper cross beam of an aligning carrier roller support, the aligning carrier roller support is driven to rotate through the upper disc 5, an upper concentric sliding groove 6 is arranged on the upper disc 5, a lower concentric sliding groove 7 is arranged on the bearing seat 2, and the upper sliding groove 6 corresponds to the lower sliding groove 7 to form a circular slideway, a plurality of balls 8 are arranged in the circular ring-shaped slideway, and the upper disc 5 is arranged on the bearing seat 2 in a sliding way through the balls 8.
The bearing seat 2 comprises a bearing seat body 9 and a lower disc 10 which is sleeved and welded on the upper side of the bearing seat body 9, the lower disc 10 is annular, the lower chute 7 is arranged on the lower disc 10, and the upper part of the inner hole wall of the bearing seat body 9 is provided with an annular boss 11; the bearing seat 2 is fixed on a lower cross beam of the aligning carrier roller bracket through a lower disc 10, and the annular boss 11 is arranged to fix the tapered roller bearing 4, so that the tapered roller bearing 4 is prevented from moving upwards to rub against the shaft shoulder 3, and the abrasion of the main shaft 1 and the tapered roller bearing 4 is avoided.
The upper end face of the tapered roller bearing 4 is in contact with the annular boss 11, the lower end face of the tapered roller bearing 4 is connected with a check ring 12 sleeved on the main shaft 1, the lower part of the main shaft 1 is in threaded connection with a nut 13, and the tapered roller bearing 4 is fixed in the bearing seat 2 through the annular boss 11, the check ring 12 and the nut 13; the tapered roller bearing 4 is fixed on the inner hole wall of the bearing seat 2 through the annular boss 11, the retainer ring 12 and the nut 13, and meanwhile, the tapered roller bearing 4 can be prevented from moving up and down, and the tapered roller bearing 4 is prevented from being abraded and separated from the main shaft 1.
The bottom of the bearing seat 2 is buckled and connected with a sealing cover 14; the bottom of the bearing seat 2 is covered with the cover 14 to prevent dust and other impurities from entering the bearing seat 2, so that the rotating base is ensured to rotate flexibly.
The upper disc 5 is in a door-shaped structure, and a mounting hole is formed in the center of the upper disc 5; so that the upper disc 5 can prevent impurities such as dust from falling into the rotating base and avoid influencing the rotating effect of the rotating base.
The sliding friction between the main shaft 1 and the bearing seat 2 on the rotating base is optimized into rolling friction, the friction surface between the main shaft 1 and the bearing seat 2 is reduced, two rolling friction pairs are formed through the ball 8 and the tapered roller bearing 4, the resistance is further reduced, the rotating base can rotate flexibly, the normal work of the rotating base is guaranteed, meanwhile, the abrasion is effectively prevented, and the service lives of the rotating base and the aligning carrier roller group are prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (5)
1. The utility model provides an aligning bearing roller support is with rotating base, includes the main shaft, its characterized in that: the bearing seat is characterized by also comprising a bearing seat, wherein the diameter of an inner hole of the bearing seat is larger than that of the main shaft; the lower side cover of main shaft shoulder is equipped with tapered roller bearing, tapered roller bearing and main shaft interference fit, and the main shaft passes through tapered roller bearing to be installed in the bearing frame, and the upside of main shaft shoulder is fixed with the disc, goes up the top of disc arrangement bearing frame, is equipped with concentric and the spout of looks adaptation on bearing frame and the last disc respectively, is equipped with a plurality of ball in the spout, goes up the disc and passes through ball and bearing frame sliding connection.
2. The rotating base for the aligning idler holder according to claim 1, wherein: the bearing block comprises a bearing block body and a lower disc sleeved and fixed on the upper side of the bearing block body, the sliding groove is formed in the lower disc, and an annular boss is arranged on the upper portion of the inner hole wall of the bearing block body.
3. The rotating base for the aligning idler holder according to claim 2, wherein: the upper end face of the tapered roller bearing is in contact with the annular boss, the lower end face of the tapered roller bearing is connected with a check ring sleeved on the main shaft, the lower portion of the main shaft is in threaded connection with a nut, and the tapered roller bearing is fixed in the bearing seat through the annular boss, the check ring and the nut.
4. The rotating base for the aligning idler holder according to claim 1, wherein: the bottom of the bearing seat is buckled and connected with a sealing cover.
5. The rotating base for the aligning idler holder according to claim 1, wherein: the upper disc is of a door-shaped structure, and a mounting hole is formed in the circle center of the upper disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122269120.XU CN215624839U (en) | 2021-09-18 | 2021-09-18 | Rotating base for aligning carrier roller support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122269120.XU CN215624839U (en) | 2021-09-18 | 2021-09-18 | Rotating base for aligning carrier roller support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215624839U true CN215624839U (en) | 2022-01-25 |
Family
ID=79917674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122269120.XU Active CN215624839U (en) | 2021-09-18 | 2021-09-18 | Rotating base for aligning carrier roller support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215624839U (en) |
-
2021
- 2021-09-18 CN CN202122269120.XU patent/CN215624839U/en active Active
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