CN204473767U - A kind of New type rotary base - Google Patents
A kind of New type rotary base Download PDFInfo
- Publication number
- CN204473767U CN204473767U CN201520044886.XU CN201520044886U CN204473767U CN 204473767 U CN204473767 U CN 204473767U CN 201520044886 U CN201520044886 U CN 201520044886U CN 204473767 U CN204473767 U CN 204473767U
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- China
- Prior art keywords
- base
- bearing
- axle
- entablatrance
- tapered roller
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Abstract
The utility model discloses a kind of New type rotary base, it comprises the axle be connected with the upper cross beam welding of aligning carrier roller and the base be weldingly connected with the cross sill of aligning carrier roller, between described axle and base between the upper and lower every be separately installed with angular contact bearing and tapered roller bearing, base top nested is in entablatrance perforate bottom, between described base position nested with entablatrance, O-ring seals is installed, on the axle at tapered roller bearing lower surface place, cover has packing ring, described packing ring is pressed on tapered roller bearing lower surface by nut, the bottom surface of base is connected with base end cap by connecting element.Advantage of the present utility model: stagger angle contact bearing and tapered roller bearing between axle and base, make axle and base rotation flexibly, install O-ring seals between base and entablatrance, favorable sealing property, aligning is effective, long service life.
Description
Technical field
The utility model relates to a kind of rotating base structure.
Background technology
At present, be illustrated in figure 1 the known rotating base for belt conveyer aligning carrier roller, structure is; First by the upper cross beam welding of axle 1 and aligning carrier roller, then base 2 is welded with the cross sill of aligning carrier roller, in the lubricating cavity between axle 1 and base 2, fill in lithium base No. two greases, finally in the bottom of axle 1, back-up ring 3 and packing ring 4 are installed again, make it fix.The shortcoming of this structure is: No. two greases of the lithium base in the lubricating cavity 51, between axle 1 and base 2 can lack reduction lubricating effect gradually along with the time, causes rotation dumb, even cannot rotate; 2, to install the power that back-up ring 3 and packing ring 4 bear limited in the bottom of axle 1, as sealing-tape machine the material that transports have a greater impact time, easily lost efficacy, and caused and come off; 3, the sealing property of base and entablatrance is poor, easily enters impurity in lubricating cavity, and impact is rotated.
The patent No. is that the Chinese patent of CN201120259943.8 discloses " improved structure of bearing base for aligning idler beam ", comprise carrying roller crossbeam, base crossbeam and be arranged on the bearing base between described carrying roller crossbeam and base crossbeam, described bearing base comprises a base hood being arranged on the bearing seat on described base crossbeam and being fixed on the bottom surface of carrying roller crossbeam, and described base hood covers on bearing seat; Described bearing base also comprises one and is arranged on the bearing in bearing seat and the axis through bearing bore, the upper end of described axis is fixedly connected with carrying roller crossbeam, the bottom surface of bearing seat is passed in the lower end of axis, one section of outer silk is provided with in the lower end of described axis, described bearing base also comprises a bottom, it is characterized in that, described bottom is tabular, the through hole that the outer silk that described bottom offers an appearance axis lower end passes, outer silk in described axis lower end is rotary with a nut through in the part of bottom, and axis, bottom are fixedly connected with the bottom surface of bearing seat.The shortcoming that this structure exists is: 1, do not have bearing between the lower end of axis and base, can cause rotating dumb; 2, the sealing property of base and entablatrance is poor, easily enters impurity, and impact is rotated.
The patent No. is that the Chinese patent of CN201020527554.4 discloses " Modified aligning supporting roller crossbeam bearing base ", comprise carrying roller crossbeam, base crossbeam and be arranged on the bearing base between described bearing crossbeam and base crossbeam, described bearing base comprises a base hood being arranged on the bearing seat on described base crossbeam and being fixed on the bottom surface of carrying roller crossbeam, and described base hood covers on bearing seat; Described bearing base also comprises one and is arranged on the bearing in bearing seat and the axis through bearing bore, the upper end of described axis is fixedly connected with carrying roller crossbeam, the bottom surface of bearing seat is passed in the lower end of axis, it is characterized in that, a downward opening tapped bore is offered in the lower end of described axis, described bearing base also comprises a bottom and a binding bolt, described bottom offers a through hole, described binding bolt screws in the tapped bore of axis through the through hole on bottom, and axis is fixedly connected with the bottom surface of bearing seat.The shortcoming that this structure exists is: 1, do not have bearing between the lower end of axis and base, can cause rotating dumb; 2, the sealing property of base and entablatrance is poor, easily enters impurity, and impact is rotated.
The patent No. is that the Chinese patent of CN20102052543 discloses " a kind of single bearing aligning supporting roller crossbeam bearing base " and comprises one and be arranged on bearing seat on base crossbeam, one is fixed on the base hood on the bottom surface of carrying roller crossbeam, one axis and a bottom, described base hood covers on bearing seat, be provided with one section of outer silk in the lower end of described axis, have the through hole that the described outer silk of an appearance passes at the center of described bottom; It is characterized in that, described bearing seat is a cast iron sleeve, the hole that an appearance axis passes is had in the bottom centre of described bearing seat, one bearing with cross roller conical bearing is installed in described bearing seat, the upper end of described axis is fixedly connected with carrying roller crossbeam, the hole of bearing with cross roller conical bearing and bearing seat bottom surface is passed in the lower end of axis, and the outer silk of axis lower end is rotary with a nut through after the through hole on bottom.The shortcoming that this structure exists is: 1, do not have bearing between the lower end of axis and base, can cause rotating dumb; 2, the sealing property of base and entablatrance is poor, easily enters impurity, and impact is rotated.
The patent No. is that the Chinese patent of CN201320329859.8 discloses " a kind of ribbon conveyer friction aligning carrier roller bracket base " and comprises bearing seat, single-direction balls bearing, step, deep groove ball bearing, seal ring, it is characterized in that: step is positioned in the middle of bearing seat, one group of single-direction balls bearing is arranged on above step, one group of deep groove ball bearing has been installed in the below of step, and seal ring is positioned at below deep groove ball bearing.The shortcoming that this structure exists is: 1, the sealing property of base and entablatrance is poor, easily enters impurity, and impact is rotated; 2, single-direction balls bearing and deep groove ball bearing all cannot bear larger axial load, and when being subject to greater impact, bearing is easily impaired, affects service life.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art, provides a kind of and rotates flexibly, the New type rotary base of long service life.
A kind of New type rotary base of the present utility model, it comprises the axle be connected with the upper cross beam welding of aligning carrier roller and the base be weldingly connected with the cross sill of aligning carrier roller, between described axle and base between the upper and lower every be separately installed with angular contact bearing and tapered roller bearing, base top nested is in entablatrance perforate bottom, between described base position nested with entablatrance, O-ring seals is installed, on the axle at tapered roller bearing lower surface place, cover has packing ring, described packing ring is pressed on tapered roller bearing lower surface by nut, the bottom surface of base is connected with base end cap by connecting element.
Advantage of the present utility model: stagger angle contact bearing and tapered roller bearing between axle and base, make axle and base rotation flexibly, install O-ring seals between base and entablatrance, favorable sealing property, aligning is effective, long service life.
Accompanying drawing explanation
Fig. 1 is known rotating base structural representation;
Fig. 2 is the structural representation of a kind of New type rotary base of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Of the present utility model a kind of New type rotary base as shown in Figure 2, it comprises the axle 1 be connected with the upper cross beam welding of aligning carrier roller and the base 2 be weldingly connected with the cross sill of aligning carrier roller, between described axle 1 and base 2 between the upper and lower every be separately installed with angular contact bearing 3 and tapered roller bearing 4, base top nested is in entablatrance perforate bottom, between described base position nested with entablatrance, O-ring seals 9 is installed, on the axle 1 at tapered roller bearing 4 lower surface place, cover has packing ring 5, described packing ring 5 is pressed on tapered roller bearing 4 lower surface by nut 6, the bottom surface of base is connected with (described connecting element can be bolt 8) base end cap 7 by connecting element.
The installation method of a kind of New type rotary base of the present utility model is: first by the upper cross beam welding of axle 1 and aligning carrier roller, then base 2 is welded with the cross sill of aligning carrier roller, stagger angle contact bearing 3 and tapered roller bearing 4 between axle 1 and base 2, O-ring seals 9 is installed between base and entablatrance, in the bottom of axle 2, packing ring 5 and nut 6 are installed, finally in the bottom of base with bolt 8 mounting seat end cap 7.
The structure of stagger angle contact bearing and tapered roller bearing between the axle that rotating base of the present utility model adopts and base, with existing axle compared with filling in the structure of lithium base No. two greases in the lubricating cavity between base, substantially increase the alerting ability of rotation, the dumb phenomenon of rotation caused after effectively prevent grease disappearance, and these two kinds of bearings all can bear certain axial load, the rotation of bearing can not be affected because of axial force; Packing ring and nut are installed in the bottom of axle, improve impact resistance, and easy accessibility; Install O-ring seals between base and entablatrance, improve the performance of sealing, outside impurity is not easy to enter Bearing inner; The bottom mounting seat end cap of base, actv. protection bearing.
Claims (1)
1. a New type rotary base, it comprises the axle be connected with the upper cross beam welding of aligning carrier roller and the base be weldingly connected with the cross sill of aligning carrier roller, it is characterized in that: between described axle and base between the upper and lower every be separately installed with angular contact bearing and tapered roller bearing, base top nested is in entablatrance perforate bottom, between described base position nested with entablatrance, O-ring seals is installed, on the axle at tapered roller bearing lower surface place, cover has packing ring, described packing ring is pressed on tapered roller bearing lower surface by nut, the bottom surface of base is connected with base end cap by connecting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044886.XU CN204473767U (en) | 2015-01-22 | 2015-01-22 | A kind of New type rotary base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044886.XU CN204473767U (en) | 2015-01-22 | 2015-01-22 | A kind of New type rotary base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204473767U true CN204473767U (en) | 2015-07-15 |
Family
ID=53629571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044886.XU Active CN204473767U (en) | 2015-01-22 | 2015-01-22 | A kind of New type rotary base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204473767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609129A (en) * | 2015-01-22 | 2015-05-13 | 天津三岛输送机械有限公司 | Novel rotating base |
-
2015
- 2015-01-22 CN CN201520044886.XU patent/CN204473767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609129A (en) * | 2015-01-22 | 2015-05-13 | 天津三岛输送机械有限公司 | Novel rotating base |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |