CN202646376U - Slewing bearing used for vehicle bogie - Google Patents
Slewing bearing used for vehicle bogie Download PDFInfo
- Publication number
- CN202646376U CN202646376U CN 201220256765 CN201220256765U CN202646376U CN 202646376 U CN202646376 U CN 202646376U CN 201220256765 CN201220256765 CN 201220256765 CN 201220256765 U CN201220256765 U CN 201220256765U CN 202646376 U CN202646376 U CN 202646376U
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- Prior art keywords
- centre circle
- ring
- disposes
- raceway
- face
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Abstract
The utility model discloses a slewing bearing used for a vehicle bogie. The slewing bearing comprises an outer ring (1), an outer seal ring (2), a middle ring (3), an outer isolating block (4), an inner isolating block (5), an inner seal ring (6), an inner ring (7), an inner taper pin (8), an inner plug (9), an inner contact ball (11), an outer contact ball (12), an outer plug (13) and an outer taper pin (14), wherein the outer ring is provided with an outer connecting hole (15); the inner ring is provided with an inner ring threaded hole (10); the middle ring is provided with a first oil injection hole (16), a second oil injection hole (17) and a middle ring threaded hole (18); and an inner raceway arranged in the inner diameter end face of the middle ring and an outer raceway arranged in the outer diameter face of the middle ring enable that the slewing bearing is provided with two rows of raceways, the radial bearing capacity of the slewing bearing is increased by the two rows of raceways, and the fatigue fracture on a connecting bolt can be reduced by improvement of the radial bearing capacity, so that the service life of the slewing bearing is prolonged, the application requirements of the vehicle bogie are met, and the lubrication requirements are guaranteed by the oil injection holes.
Description
Technical field
The utility model belongs to technical field of bearings, the turntable bearing that especially a kind of bogie of car uses.
Background technique
The bearing that rail vehicle truck uses mostly is flanged (FLGD) thin turntable bearing, and this thin turntable bearing is a kind of four point touching ball slewing bearing structure, its inner ring and outer ring adopt flange arrangement and by Bolt Connection on the bogie of car.
Radial load is the Main Load that rail vehicle truck bears, and the radially bearing capacity of four point touching ball slewing bearing is lower, the needs that can not adapt to rail vehicle truck fully, in addition because attachment bolt often is subject to fatigue fracture, also so that be not very high the working life of this bearing, particularly two steering locking angle degree that are connected vehicle are subject to certain limitation.
Summary of the invention
For addressing the above problem, the utility model has designed the turntable bearing that a kind of bogie of car uses, this turntable bearing has increased a centre circle on the basis of inner ring and outer ring, bearing is designed to two row's channel structures with lasso, steel ball and spacing block, on the centre circle of two row's raceway grooves, set up respectively the oil hole of two row's raceway grooves, guarantee the lubrication effect of two row's raceway grooves, adopted special seal ring design, guaranteed the specific (special) requirements of rail vehicle to this bearing seal.Such design can be born larger radial load, and two steering locking angle degree that are connected the body part of vehicle also increase significantly.
For achieving the above object, the utility model adopts following technological scheme:
The turntable bearing that a kind of bogie of car uses, the inner ring external diameter end face of this turntable bearing has outer raceway and outer ring inner-diameter end mask has interior raceway, the radius of curvature of described raceway is complementary with the radius that contacts ball, increased a centre circle on the basis of inner ring and outer ring, feature of the present utility model is:
The internal diameter of centre circle and the external diameter of inner ring coupling, the external diameter of centre circle and the internal diameter of outer ring coupling, internal diameter end face at centre circle disposes interior raceway, the described interior raceway of centre circle is corresponding with the described outer raceway of inner ring and be equipped with several interior contact balls and spacing block in several, external diameter end face at centre circle disposes outer raceway, and the described outer raceway of centre circle is corresponding with the described interior raceway of outer ring and be equipped with several outer contacting balls and several outer spacing blocks; Symmetrical center line along the described outer raceway of inner ring disposes the inner prop consent, and described inner prop consent is fixed with interior plug by interior taper pin; Symmetrical center line along the described outer raceway in outer ring disposes the column jacket consent, and described column jacket consent is fixed with outer plug by outer taper pin; The external diameter end face of centre circle is provided with twice external sealed annular groove, disposes respectively the sealing that exterior seal ring is used for outer ring and centre circle junction both ends of the surface in the described twice external sealed annular groove; The internal diameter end face of centre circle is provided with the inner seal ring groove, dispose inner seal ring in the described inner seal ring groove for the sealing of centre circle and junction, inner ring lower end surface, the external diameter end face of inner ring is provided with the external sealed annular groove, and this external sealed annular groove disposes the sealing that inner seal ring is used for inner ring and junction, centre circle upper-end surface.
The outmost turns end face of above-mentioned outer ring is the flange plate-like, disposes the external connecting hole of several concentrics at described flange plate.
The upper-end surface of above-mentioned inner ring disposes several concentrics and blind logical inner ring tapped hole.
The lower end surface of above-mentioned centre circle disposes several concentrics and blind logical centre circle tapped hole, the lower end surface of centre circle also disposes several the first oil holes, the first oil hole is connected to the ditch bottom of the described interior raceway of centre circle, the internal diameter end face of centre circle disposes the second oil hole, and the second oil hole is connected to the ditch bottom of the described outer raceway of centre circle.
Owing to adopt as mentioned above technological scheme, the utility model produces following beneficial effect:
1, the outer raceway of the configuration of raceway and centre circle external diameter end face makes and the utlity model has two row's raceways in the configuration of centre circle internal diameter end face, and two row's raceways have increased radially bearing capacity of the present utility model, have satisfied the user demand of rail vehicle truck.
2, the utility model radially the raising of bearing capacity can reduce attachment bolt and be subject to fatigue fracture, thereby improve working life of the present utility model.
3, the centre circle tapped hole of centre circle lower end surface configuration is fixed on the rail vehicle truck, can reduce the installing space of rail vehicle truck.
4, owing to be provided with centre circle, make the steering system that connects the vehicle in front bogie and connect after the bogie of car steering system become separately independent steering equipment, thereby significantly increase the steering locking angle degree of two connection vehicles.
5, the setting of the first oil hole and the second oil hole can guarantee lubrication needs of the present utility model.
6, contact ball adopts several interior spacing blocks equally spaced in several, several outer contacting balls adopt several outer spacing blocks equally spaced, produce between the contact ball or between the outer contacting ball in the time of can preventing turntable bearing work and run foul of each other and rub, and make various load uniform stressed in two row's raceways, guarantee that turntable bearing operates steadily reliably.
7, exterior seal ring and inner seal ring adopt the anti-design of colluding, and can adapt to the working condition of rail vehicle, thereby preventing effectively that dust and sewage from splashing enters turntable bearing inside, has guaranteed the demand of rail vehicle to the turntable bearing sealing.
Description of drawings
Fig. 1 is structural representation sketch of the present utility model.
Among Fig. 1: the 1-outer ring; The 2-exterior seal ring; The 3-centre circle; The outer spacing block of 4-; Spacing block in the 5-; The 6-inner seal ring; The 7-inner ring; Taper pin in the 8-; Plug in the 9-; 10-inner ring tapped hole; Contact ball in the 11-; 12-outer contacting ball; 13-fills in outward; The outer taper pin of 14-; 15-external connecting hole; 16-the first oil hole; 17-the second oil hole; 18-centre circle tapped hole.
Embodiment
The utility model is the turntable bearing that a kind of bogie of car uses, the inner ring external diameter end face of this turntable bearing has outer raceway and outer ring inner-diameter end mask has interior raceway, the radius of curvature of described raceway is complementary with the radius that contacts ball, has increased a centre circle on the basis of inner ring and outer ring.
In conjunction with Fig. 1, the external diameter coupling of the internal diameter of centre circle 3 of the present utility model and inner ring 7, the internal diameter coupling of the external diameter of centre circle 3 and outer ring 1, internal diameter end face at centre circle 3 disposes interior raceway, the described interior raceway of centre circle 3 is corresponding with the described outer raceway of inner ring 7 and be equipped with several interior contact balls 11 and spacing block 5 in several, external diameter end face at centre circle 3 disposes outer raceway, and the described outer raceway of centre circle 3 is corresponding with the described interior raceway of outer ring 1 and be equipped with several outer contacting balls 12 and several outer spacing blocks 4.The outer raceway of the interior raceway of centre circle internal diameter end face configuration and the configuration of centre circle external diameter end face makes and the utlity model has two row's raceways, two row's raceways have increased radially bearing capacity of the present utility model, radially the raising of bearing capacity can reduce attachment bolt and is subject to fatigue fracture, thereby improve working life of the present utility model, satisfied the user demand of rail vehicle truck.
Above-mentioned several interior contact balls 11 adopt several interior spacing blocks 5 equally spaced, several outer contacting balls 12 adopt several outer spacing blocks 4 equally spaced, produce between the contact ball or between the outer contacting ball in the time of can preventing turntable bearing work and run foul of each other and rub, and make various load uniform stressed in two row's raceways, guarantee that turntable bearing operates steadily reliably.
Symmetrical center line along inner ring 5 described outer raceways disposes the inner prop consent, and described inner prop consent is fixed with interior plug 9 by interior taper pin 8.The symmetrical center line of 1 described outer raceway disposes the column jacket consent along the outer ring, and described column jacket consent is fixed with outer plug 13 by outer taper pin 14.
The external diameter end face of centre circle 3 is provided with twice external sealed annular groove, disposes respectively the sealing that exterior seal ring 2 is used for outer ring 1 and centre circle 3 junction both ends of the surface in the described twice external sealed annular groove.
The internal diameter end face of centre circle 3 is provided with the inner seal ring groove, dispose inner seal ring 6 in the described inner seal ring groove for the sealing of centre circle 3 and junction, inner ring 7 lower end surface, the external diameter end face of inner ring 7 is provided with the external sealed annular groove, and this external sealed annular groove disposes the sealing that inner seal ring 6 is used for inner ring 7 and junction, centre circle 3 upper-end surface.Exterior seal ring 2 and inner seal ring 6 adopts the anti-design of colluding, and can adapt to the working condition of rail vehicle, thereby preventing effectively that dust and sewage from splashing enters turntable bearing inside, has guaranteed the demand of rail vehicle to the turntable bearing sealing.
The outmost turns end face of outer ring 1 is the flange plate-like, disposes the external connecting hole 15 of several concentrics at described flange plate.The upper-end surface of inner ring 7 disposes several concentrics and blind logical inner ring tapped hole 10.External connecting hole 15 and inner ring tapped hole 10 holes are used for the installation requirements of rail vehicle different parts.
The lower end surface of centre circle 3 disposes several concentrics and blind logical centre circle tapped hole 18, and the centre circle tapped hole 18 of centre circle lower end surface configuration is fixed on the rail vehicle truck, can reduce the installing space of rail vehicle truck.
The lower end surface of centre circle 3 also disposes several the first oil holes 16, the first oil hole 16 is connected to the ditch bottom of centre circle 3 described interior raceways, the internal diameter end face of centre circle 3 disposes the second oil hole 17, the second oil hole 17 is connected to the ditch bottom of centre circle 3 described outer raceways, the setting of the first oil hole 16 and the second oil hole 17 can guarantee lubrication needs of the present utility model.
By above-mentioned analysis, the utility model is owing to be provided with centre circle, make the steering system that connects the vehicle in front bogie and connect after the bogie of car steering system become separately independent steering equipment, thereby significantly increase the steering locking angle degree of two connection vehicles.
The utility model not only can be used for the bogie of car, can also be used for other structure.
Claims (4)
1. the turntable bearing that uses of the bogie of car, the inner ring external diameter end face of this turntable bearing has outer raceway and outer ring inner-diameter end mask has interior raceway, the radius of curvature of described raceway is complementary with the radius that contacts ball, has increased a centre circle on the basis of inner ring and outer ring, it is characterized in that:
The external diameter coupling of the internal diameter of centre circle (3) and inner ring (7), the internal diameter coupling of the external diameter of centre circle (3) and outer ring (1), internal diameter end face at centre circle (3) disposes interior raceway, the described interior raceway of centre circle (3) is corresponding with the described outer raceway of inner ring (7) and be equipped with several interior contact balls (11) and spacing block (5) in several, external diameter end face at centre circle (3) disposes outer raceway, and the described outer raceway of centre circle (3) is corresponding with the described interior raceway of outer ring (1) and be equipped with several outer contacting balls (12) and several outer spacing blocks (4); Symmetrical center line along the described outer raceway of interior (7) circle disposes the inner prop consent, and described inner prop consent is fixed with interior plug (9) by interior taper pin (8); The symmetrical center line of (1) described outer raceway disposes the column jacket consent along the outer ring, and described column jacket consent is fixed with outer plug (13) by outer taper pin (14); The external diameter end face of centre circle (3) is provided with twice external sealed annular groove, disposes respectively the sealing that exterior seal ring (2) is used for outer ring (1) and centre circle (3) junction both ends of the surface in the described twice external sealed annular groove; The internal diameter end face of centre circle (3) is provided with the inner seal ring groove, dispose inner seal ring (6) in the described inner seal ring groove for the sealing of centre circle (3) and inner ring (7) junction, lower end surface, the external diameter end face of inner ring (7) is provided with the external sealed annular groove, and this external sealed annular groove disposes the sealing that inner seal ring (6) is used for inner ring (7) and centre circle (3) junction, upper-end surface.
2. the turntable bearing that uses according to the described bogie of car of claim 1, it is characterized in that: the outmost turns end face of outer ring (1) is the flange plate-like, disposes the external connecting hole (15) of several concentrics at described flange plate.
3. the turntable bearing that uses according to the described bogie of car of claim 1, it is characterized in that: the upper-end surface of inner ring (7) disposes several concentrics and blind logical inner ring tapped hole (10).
4. the turntable bearing that uses according to the described bogie of car of claim 1, it is characterized in that: the lower end surface of centre circle (3) disposes several concentrics and blind logical centre circle tapped hole (18), the lower end surface of centre circle (3) also disposes several the first oil holes (16), the first oil hole (16) is connected to the ditch bottom of the described interior raceway of centre circle (3), the internal diameter end face of centre circle (3) disposes the second oil hole (17), and the second oil hole (17) is connected to the ditch bottom of the described outer raceway of centre circle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256765 CN202646376U (en) | 2012-06-02 | 2012-06-02 | Slewing bearing used for vehicle bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256765 CN202646376U (en) | 2012-06-02 | 2012-06-02 | Slewing bearing used for vehicle bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202646376U true CN202646376U (en) | 2013-01-02 |
Family
ID=47415489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220256765 Expired - Fee Related CN202646376U (en) | 2012-06-02 | 2012-06-02 | Slewing bearing used for vehicle bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202646376U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256311A (en) * | 2013-04-26 | 2013-08-21 | 洛阳轴承研究所有限公司 | Turnable bearing with inner ring provided with V-shaped belt groove |
| CN104454966A (en) * | 2014-11-28 | 2015-03-25 | 安徽省宁国顺昌机械有限公司 | Slewing bearing for excavator and machining method of isolating block of slewing bearing for excavator |
| CN110886769A (en) * | 2019-12-27 | 2020-03-17 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Three-ring double-row reducing slewing bearing |
-
2012
- 2012-06-02 CN CN 201220256765 patent/CN202646376U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256311A (en) * | 2013-04-26 | 2013-08-21 | 洛阳轴承研究所有限公司 | Turnable bearing with inner ring provided with V-shaped belt groove |
| CN103256311B (en) * | 2013-04-26 | 2015-08-12 | 洛阳轴承研究所有限公司 | A kind of inner ring has the turntable bearing of V-type trough of belt |
| CN104454966A (en) * | 2014-11-28 | 2015-03-25 | 安徽省宁国顺昌机械有限公司 | Slewing bearing for excavator and machining method of isolating block of slewing bearing for excavator |
| CN110886769A (en) * | 2019-12-27 | 2020-03-17 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Three-ring double-row reducing slewing bearing |
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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: 20130102 Termination date: 20180602 |