CN202911465U - Bearing device used for track wheel - Google Patents
Bearing device used for track wheel Download PDFInfo
- Publication number
- CN202911465U CN202911465U CN 201220583020 CN201220583020U CN202911465U CN 202911465 U CN202911465 U CN 202911465U CN 201220583020 CN201220583020 CN 201220583020 CN 201220583020 U CN201220583020 U CN 201220583020U CN 202911465 U CN202911465 U CN 202911465U
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- CN
- China
- Prior art keywords
- rotating shaft
- wheel body
- ring
- bearing arrangement
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A bearing device used for a track wheel comprises wheel bodies (1) and a rotating shaft (2) and is characterized in that a ball (3) is arranged between each wheel body (1) and the rotating shaft (2), an inner annular groove (11) is formed in the inner wall of the wheel body (1), outer annual grooves (21) are formed in corresponding positions on the rotating shaft (2), the ball (3) can be arranged on a retainer (4) in a rotary mode, the ball (3) and the retainer (4) can be movably arranged between the wheel body (1) and the rotating shaft (2), the outer surface of the ball (3) contacts the outer surface of the inner annular groove (11) and the surface of each outer annular groove (21), and two ends of the rotating shaft (2) are arranged on a support (5) which is arranged at the bottom of a car body. The bearing device used for the track wheel has the advantages of being compact in structure and capable of enabling the track wheel to move stably due to the fact that the double-row balls are arranged between the wheel bodies and the rotating shaft and prolonging service life of the wheel due to the fact that a dust cover and a rubber sealing ring play a double-sealing effect.
Description
Technical field
The utility model relates to the rail wheel manufacture technology field, especially refers to a kind of bearing arrangement for rail wheel.
Background technology
Existing a kind of patent No. is that the Chinese utility model patent that the CN201120039760.5 name is called " trundle for tracks " discloses a kind of trundle for tracks, include two parallel tracks and car body, be provided with axletree in the car body, the two ends of axletree are stretched out from car body respectively and by duplex bearing roller are installed respectively, roller places respectively on two parallel tracks and the track sliding running-fit parallel with two, the lateral wall of roller is provided with ring-shaped step, and the sidewall of ring-shaped step is slope; The end of car body is installed with motor, and motor and axletree are in transmission connection.But it adopts between wheel and axletree double-row bearing is set, and its structure is compact not, and introduced contaminants easily enters in the bearing and cause bearing stuck, so its structure is further improved.
The utility model content
Technical problem to be solved in the utility model be provide for above-mentioned prior art problem a kind of design ingenious, stable, alerting ability is good and a kind of bearing arrangement for rail wheel of long service life.
The utility model solves the problems of the technologies described above the technical scheme that adopts: this is used for the bearing arrangement of rail wheel, comprise wheel body and rotating shaft, it is characterized in that: be provided with ball between described wheel body and the rotating shaft, be provided with inner ring groove on the inwall of described wheel body, the correspondence position of described rotating shaft is provided with outer annular groove, described ball can rollably place on the retainer, and can place actively between wheel body and the rotating shaft with retainer, the outside face of described ball contacts with the surface of inner ring groove and outer annular groove, and the two ends of described rotating shaft are arranged on the support of vehicle bottom.
As improvement, described ball and retainer are two groups, and the compartment of terrain is arranged between wheel body and the rotating shaft side by side.
As improvement, an end of described wheel body is provided with ring-shaped step, and the sidewall of described ring-shaped step is slope.
As improvement, the concrete structure that the two ends of described rotating shaft are fixed on the support that is arranged at vehicle bottom is: the two ends of described rotating shaft are provided with annular groove, and described rotating shaft places on the support, and stretch out outside the support at the two ends of rotating shaft, and be fixed on the support with snap ring.
As improvement, the two ends of described rotating shaft are respectively arranged with cover of dust between wheel body and rotating shaft.
As improvement, the outside of described cover of dust is respectively arranged with rubber seal ring, described rubber seal ring is fixed in respectively the two ends of wheel body with annular baffle ring, rubber seal ring and annular baffle ring are passed in described rotating shaft successively, the inwall of described rubber seal ring contacts with the surface of rotating shaft, and the gap is left on the inwall of described annular baffle ring and the surface of rotating shaft.
As improvement, the two ends of described wheel body are provided with several screws, and described annular baffle ring is fixed on the wheel body by screw.
As improvement, the quantity of described screw is preferably at least 3, specifically decides by design.
As improvement, the outside face of described wheel body scribbles polytetrafluorethylecoatings coatings.
Compared with prior art, the utility model adopts between described wheel body and the rotating shaft and is provided with ball, be provided with inner ring groove on the inwall of described wheel body, the correspondence position of described rotating shaft is provided with outer annular groove, described ball can rollably place on the retainer, and can place actively between wheel body and the rotating shaft with retainer, the outside face of described ball contacts with the surface of inner ring groove and outer annular groove, and the two ends of described rotating shaft are fixed on the support that is arranged at vehicle bottom.The utility model has the advantage of: with wheel body directly as the outer ring of bearing, and rotating shaft is directly as the inner ring of bearing, can make like this structure of wheel compacter, and be provided with double-row balls between wheel body and the rotating shaft, can make the operation of wheel more steady, again because be provided with respectively cover of dust and rubber seal ring at the two ends of rotating shaft, not only can prevent that grease from leaking outside but also can prevent that impurity from entering in the wheel, thereby effectively prolonged the service life of wheel, also have, outside face at wheel body scribbles polytetrafluorethylecoatings coatings, thereby can better play antirust, wear-resisting and anti-creeping effect has further improved the quality of product then.
Description of drawings
Fig. 1 is the structural perspective of the utility model embodiment;
Fig. 2 is the front projection figure of Fig. 1;
Fig. 3 is along the cutaway view of A-A line among Fig. 2;
Fig. 4 is I section enlarged drawing among Fig. 3;
Fig. 5 is the cutaway view of wheel body among Fig. 1;
Fig. 6 is the front projection figure of Fig. 1 shaft;
Fig. 7 is the exploded drawings of Fig. 1;
Fig. 8 is the exploded drawings at another visual angle of Fig. 1.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
To shown in Figure 8, the bearing arrangement of the present embodiment comprises wheel body 1 and rotating shaft 2 such as Fig. 1, and an end of described wheel body 1 is provided with ring-shaped step 12, and the sidewall of described ring-shaped step 12 is slope 13; Be provided with ball 3 between described wheel body 1 and the rotating shaft 2, be provided with inner ring groove 11 on the inwall of described wheel body 1, the correspondence position of described rotating shaft 2 is provided with outer annular groove 21, described ball 3 can rollably place on the retainer 4, and can place actively between wheel body 1 and the rotating shaft 2 with retainer 4, described ball 3 and retainer 4 are two groups, and the compartment of terrain is arranged between wheel body 1 and the rotating shaft 2 side by side; The outside face of described ball 3 contacts with the surface of inner ring groove 11 and outer annular groove 21, and the two ends of described rotating shaft 2 are provided with annular groove 22, and described rotating shaft 2 places on the support 5, and stretch out outside the support 5 at the two ends of rotating shaft 2, and is fixed on the support 5 with snap ring 6; The two ends of described rotating shaft 2, between wheel body 1 and rotating shaft 2, be respectively arranged with cover of dust 7, the outside of described cover of dust 7 is respectively arranged with rubber seal ring 8, described rubber seal ring 8 is fixed in respectively the two ends of wheel body 1 with annular baffle ring 9, rubber seal ring 8 and annular baffle ring 9 are passed in described rotating shaft 2 successively, the inwall of described rubber seal ring 8 contacts with the surface of rotating shaft 2, and the gap is left on the surface of the inwall of described annular baffle ring 9 and rotating shaft 2; The two ends of described wheel body 1 are provided with 4 screws 14, and described annular baffle ring 9 is fixed on the wheel body 1 by screw 10; The outside face of described wheel body 1 contacts with the upper surface of track 20, and the outside face of described wheel body 1 scribbles polytetrafluorethylecoatings coatings 15.
Claims (9)
1. bearing arrangement that is used for rail wheel, comprise wheel body (1) and rotating shaft (2), it is characterized in that: be provided with ball (3) between described wheel body (1) and the rotating shaft (2), be provided with inner ring groove (11) on the inwall of described wheel body (1), the correspondence position of described rotating shaft (2) is provided with outer annular groove (21), described ball (3) can rollably place on the retainer (4), and can place actively between wheel body (1) and the rotating shaft (2) with retainer (4), the outside face of described ball (3) contacts with the surface of inner ring groove (11) and outer annular groove (21), and the two ends of described rotating shaft (2) are arranged on the support (5) of vehicle bottom.
2. bearing arrangement according to claim 1, it is characterized in that: described ball (3) and retainer (4) are two groups, with the interval, be arranged between wheel body (1) and the rotating shaft (2) abreast.
3. bearing arrangement according to claim 1, it is characterized in that: an end of described wheel body (1) is provided with ring-shaped step (12), and the sidewall of described ring-shaped step (12) is slope (13).
4. arbitrary described bearing arrangement in 3 according to claim 1, it is characterized in that: the concrete structure that the two ends of described rotating shaft (2) are arranged on the support (5) of vehicle bottom is: the two ends of described rotating shaft (2) are provided with annular groove (22), when described rotating shaft (2) places support (5) upper, stretch out outside the support (5) at the two ends of described rotating shaft (2), and with snap ring (6) that rotating shaft (2) and support (5) is fixed with each other.
5. arbitrary described bearing arrangement in 3 according to claim 1 is characterized in that: the two ends of described rotating shaft (2), and be positioned between wheel body (1) and the rotating shaft (2) and be respectively arranged with cover of dust (7).
6. bearing arrangement according to claim 5, it is characterized in that: the outside of described cover of dust (7) is respectively arranged with rubber seal ring (8), described rubber seal ring (8) uses respectively annular baffle ring (9) that rubber seal ring (8) is fixed on the two ends of wheel body (1), rubber seal ring (8) and annular baffle ring (9) are passed in described rotating shaft (2) successively, the inwall of described rubber seal ring (8) contacts with the surface of rotating shaft (2), leaves the gap between the surface of the inwall of described annular baffle ring (9) and rotating shaft (2).
7. bearing arrangement according to claim 6, it is characterized in that: the two ends of described wheel body (1) are provided with several screws (14), and described annular baffle ring (9) is fixed on the wheel body (1) by screw (10).
8. bearing arrangement according to claim 7, it is characterized in that: the quantity of described screw (14) is at least 3.
9. arbitrary described bearing arrangement in 3 according to claim 1, it is characterized in that: the outside face of described wheel body (1) scribbles polytetrafluorethylecoatings coatings (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583020 CN202911465U (en) | 2012-10-31 | 2012-10-31 | Bearing device used for track wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583020 CN202911465U (en) | 2012-10-31 | 2012-10-31 | Bearing device used for track wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202911465U true CN202911465U (en) | 2013-05-01 |
Family
ID=48159802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220583020 Expired - Fee Related CN202911465U (en) | 2012-10-31 | 2012-10-31 | Bearing device used for track wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202911465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922948A (en) * | 2012-10-31 | 2013-02-13 | 宁波三泰轴承有限公司 | Bearing device for track wheel |
-
2012
- 2012-10-31 CN CN 201220583020 patent/CN202911465U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922948A (en) * | 2012-10-31 | 2013-02-13 | 宁波三泰轴承有限公司 | Bearing device for track wheel |
| CN102922948B (en) * | 2012-10-31 | 2016-03-30 | 宁波三泰轴承有限公司 | A kind of bearing arrangement for rail wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20161031 |