CN210830197U - Three-section shaft type thrust wheel - Google Patents
Three-section shaft type thrust wheel Download PDFInfo
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- CN210830197U CN210830197U CN201920875594.9U CN201920875594U CN210830197U CN 210830197 U CN210830197 U CN 210830197U CN 201920875594 U CN201920875594 U CN 201920875594U CN 210830197 U CN210830197 U CN 210830197U
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- shaft
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- wheel
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- section shaft
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Abstract
The utility model relates to a shaft-type thrust wheel of three-section. The utility model provides an axial thrust wheel of three-section that the gyro wheel accounts for axial dimension the biggest in finite space. The three-section shaft type supporting wheel comprises a wheel frame and a supporting wheel group, wherein the supporting wheel group comprises a roller, a middle-section shaft, an elongated shaft, a bearing and a fastener, the outer end of the elongated shaft is connected with the wheel frame through a square spigot, the matched length of the elongated shaft is smaller than the axial size of the bearing, and a step is arranged in the non-bearing direction of the outer end of the elongated shaft; two ends of the middle section shaft are respectively fixed with the inner end of the lengthened shaft through square rabbets and fasteners, the idler wheel is rotatably connected with the middle section shaft through a bearing, and the lengthened shaft controls the axial position of the idler wheel and the middle section shaft through the inner ring of the bearing.
Description
Technical Field
The utility model relates to an axle type thrust wheel of three-section belongs to mechanical engineering technical field.
Background
The thrust wheel has wide application in industry, the shapes of the thrust wheel are various due to the restriction of external conditions, under the condition of limited space, the contact pressure is reduced by lengthening the axial size of the support wheel, and how to effectively utilize the space to make the thrust wheel the widest is a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model provides an axial thrust wheel of three-section that the gyro wheel accounts for axial dimension the biggest in finite space.
In order to achieve the above object, the utility model adopts the following technical scheme: the three-section shaft type supporting wheel comprises a wheel frame and a supporting wheel group, wherein the supporting wheel group comprises a roller, a middle-section shaft, an elongated shaft, a bearing and a fastener, the outer end of the elongated shaft is connected with the wheel frame through a square spigot, the matched length of the elongated shaft is smaller than the axial size of the bearing, and a step is arranged in the non-bearing direction of the outer end of the elongated shaft; two ends of the middle section shaft are respectively fixed with the inner end of the lengthened shaft through square rabbets and fasteners, the idler wheel is rotatably connected with the middle section shaft through a bearing, and the lengthened shaft controls the axial position of the idler wheel and the middle section shaft through the inner ring of the bearing.
The supporting wheel set on the wheel frame is one group or more than one group.
The bearing is a self-sealing bearing or consists of a non-sealing bearing and a sealing element.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2;
fig. 4 is a cross-sectional view taken along plane B-B of fig. 2.
Detailed Description
As shown in the figure, the three-section shaft type supporting wheel comprises a wheel frame 1 and one or more than one group of supporting wheel groups 2 arranged on the wheel frame 1, wherein each supporting wheel group 2 comprises a roller 3, a middle section shaft 4, an extension shaft 6, a bearing 5 and a fastening piece 7. The two bearings 5 arranged on the middle shaft 4 are self-sealing bearings or consist of non-sealing bearings and sealing parts. The outer end of the lengthened shaft 6 is connected with the wheel carrier 1 through a square spigot, a step 8 is arranged in the non-bearing direction of the outer end of the lengthened shaft 6, and the step 8 is used for fixing the axial position of the shaft system and the wheel carrier 1. Two ends of the middle section shaft 4 are respectively matched with the inner end of the lengthened shaft 6 through square rabbets, and the middle section shaft and the lengthened shaft are fixedly connected through a fastener 7. The roller 3 is rotatably connected with the middle section shaft 4 through a bearing 5, and the roller 3 is radially and axially positioned through the outer ring of the bearing 5 and can rotate around the axis of the roller. The axial position of the roller 3 and the middle section shaft 4 is controlled by the inner ring of the bearing 5 through the lengthened shaft 6, the axial size of the force bearing square seam allowance of the lengthened shaft 6 is far smaller than that of the bearing 5, namely the length of the wheel carrier 1 matched with the lengthened shaft 6 is smaller than the thickness of the bearing, and the axial size of the roller 2 can be maximized. The radius of the roller 3 is larger than the distance from the axis of the middle section shaft 4 to the bottom surface of the wheel carrier 1.
Claims (3)
1. A three-section shaft type thrust wheel comprises a wheel carrier and a thrust wheel group, and is characterized in that the thrust wheel group comprises a roller, a middle-section shaft, an elongated shaft, a bearing and a fastener, the outer end of the elongated shaft is connected with the wheel carrier through a square spigot, the matched length of the elongated shaft is smaller than the axial size of the bearing, and a step is arranged in the non-bearing direction of the outer end of the elongated shaft; two ends of the middle section shaft are respectively fixed with the inner end of the lengthened shaft through square rabbets and fasteners, the idler wheel is rotatably connected with the middle section shaft through a bearing, and the lengthened shaft controls the axial position of the idler wheel and the middle section shaft through the inner ring of the bearing.
2. The three-segment-axis track roller of claim 1, wherein the set of track rollers on the wheel frame is one or more than one set.
3. The three-segment-axis track roller of claim 1, wherein the bearing is a self-sealing bearing or is comprised of a non-sealing bearing and a seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875594.9U CN210830197U (en) | 2019-06-12 | 2019-06-12 | Three-section shaft type thrust wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875594.9U CN210830197U (en) | 2019-06-12 | 2019-06-12 | Three-section shaft type thrust wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830197U true CN210830197U (en) | 2020-06-23 |
Family
ID=71279789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920875594.9U Active CN210830197U (en) | 2019-06-12 | 2019-06-12 | Three-section shaft type thrust wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830197U (en) |
-
2019
- 2019-06-12 CN CN201920875594.9U patent/CN210830197U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |