CN204852020U - It is double with footpath ball turntable bearing - Google Patents
It is double with footpath ball turntable bearing Download PDFInfo
- Publication number
- CN204852020U CN204852020U CN201520490818.6U CN201520490818U CN204852020U CN 204852020 U CN204852020 U CN 204852020U CN 201520490818 U CN201520490818 U CN 201520490818U CN 204852020 U CN204852020 U CN 204852020U
- Authority
- CN
- China
- Prior art keywords
- same diameter
- double row
- slewing bearing
- diameter ball
- ball slewing
- 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
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model provides an it is double with footpath ball turntable bearing, includes outer lane, inner circle, rolling element, spacing block, round pin, stopper, sealing strip and inlayer sealing mechanism, and the interval is equipped with two outside sunken V -arrangement groove A on the interior disc of outer lane, and the interval is equipped with two inside sunken V -arrangement groove B on the outer disc of inner circle, every V -arrangement groove A and every V -arrangement groove B set up the raceway that forms two rolling elements for the one -to -one. This patent forms it is double with footpath ball turntable bearing's the second floor sealedly through set up the seal in the double outside with footpath ball carousel axle arbitrary raceway, makes to form confined space between seal and the sealing strip in the outside of arbitrary raceway, has prevented effectively that the emollient rolling pair space in from leaking and the invasion of dust, aqueous vapor or other filths in the external world, has improved the life and the precision of bearing, this patent simple structure, low in production cost is fit for promoting on a large scale and using.
Description
[technical field]
The utility model relates to bearing machining field, especially relates to a kind of double row same diameter ball slewing bearing.
[background technique]
Known, simultaneously double row same diameter ball slewing bearing a kind ofly can bear larger axial load, the bearing of radial load and tilting moment, so the supporting of double row same diameter ball slewing bearing collection, rotate, transmission and the fixing several functions that waits are in the large size bearing of the special construction of one, usual double row same diameter ball slewing bearing self is all with mounting hole, oiling agent and seal arrangement, the different demands of all kinds of main frames worked under different working condition can be met on the one hand, on the other hand, double row same diameter ball slewing bearing itself has compact structure, guide and rotate conveniently, simple installation and safeguard the feature such as easy, so double row same diameter ball slewing bearing is widely used in handling machinery, digger machinery, constructional engineering machinery, on the huge revolving devices such as harbour machinery and wind-power electricity generation machinery, and normally need at low speed due to double row same diameter ball slewing bearing, heavy duty, work under the condition of bad working environments, so introduced contaminants enters one of key factor then having become bearing damage in bearing, what current double row same diameter ball slewing bearing adopted is all individual layer sealings, well can not reach sealing effect, easily cause bleeding of lubricant, bearing is made to can not get effectively lubricating, bearing when rolling because the frictional force in rolling element and raceway contact face increases, wearing and tearing between rolling element and raceway are caused to be accelerated, very easily cause bearing early failue, bearing life is shortened greatly.
[summary of the invention]
In order to overcome the deficiency in background technique, the utility model discloses a kind of double row same diameter ball slewing bearing, the utility model is by the arranged outside internal layer sealing mechanism at the arbitrary raceway of double row same diameter ball slewing bearing, and sealed by the second layer of the seal shape matched bearings in internal layer sealing mechanism, the utility model effectively prevents the oiling agent in rolling pair space to leak and the intrusion of extraneous dust, aqueous vapor or other dirt, and then substantially increases working life and the precision of bearing.
For achieving the above object, the utility model adopts following technological scheme:
A kind of double row same diameter ball slewing bearing, comprise outer ring, inner ring, rolling element, spacing block, pin, stopper, Stamping Steel Ribbon and internal layer sealing mechanism, the inner headed face of outer ring is interval with two V-shaped groove A outwards caved in, the periphery of inner ring is interval with two V-shaped groove B caved inward, described each V-shaped groove A and each V-shaped groove B is the raceway that one_to_one corresponding arranges formation two rolling elements, a plurality of rolling element is provided with in described every bar raceway, spacing block is provided with between every two rolling elements, the periphery of outer ring is provided with consent, the end face of outer ring is provided with pin-and-hole, described pin-and-hole and consent arranged in a crossed manner, stopper is provided with in described consent, described stopper is fixed in consent by pin, the first layer sealing that Stamping Steel Ribbon forms double row same diameter ball slewing bearing is respectively equipped with at the two ends of outer ring inner headed face, seal groove is provided with between the outside and Stamping Steel Ribbon of the outside of arbitrary V-shaped groove A or arbitrary V circular groove B, the internal layer sealing mechanism that seal forms double row same diameter ball slewing bearing is respectively equipped with in described seal groove, and the second layer sealing of double row same diameter ball slewing bearing is formed by described internal layer sealing mechanism.
Described double row same diameter ball slewing bearing, on the inner headed face that described seal groove is arranged on outer ring or be arranged on the periphery of inner ring.
Described double row same diameter ball slewing bearing, described seal is O shape ring or shaft seal or Stamping Steel Ribbon.
Described double row same diameter ball slewing bearing, described V-shaped groove A replaces with square groove or semi-circular groove.
Described double row same diameter ball slewing bearing, described V-shaped groove B replaces with square groove or semi-circular groove.
Described double row same diameter ball slewing bearing, the shape of described pin-and-hole is conical circular or square or polygon.
Described double row same diameter ball slewing bearing, the periphery of described outer ring is provided with oil hole.
Described double row same diameter ball slewing bearing, the shape of described rolling element is spheroidal.
Owing to adopting technological scheme as above, the utility model has following beneficial effect:
A kind of double row same diameter ball slewing bearing described in the utility model, the utility model seals the second layer of double row same diameter ball slewing bearing by being formed at the arranged outside seal of the arbitrary raceway of double row same diameter ball turntable shaft, make to form seal space between the seal in the outside of arbitrary raceway and Stamping Steel Ribbon, the oiling agent in rolling pair space is effectively prevented to leak and extraneous dust, the intrusion of aqueous vapor or other dirt, and then substantially increase working life and the precision of bearing, it is simple that the utility model has structure, the features such as cost of production is low, suitable for large-scale promotion and application.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model;
In figure: 1, outer ring; 2, inner ring; 3, rolling element; 4, spacing block; 5, sell; 6, stopper; 7, Stamping Steel Ribbon; 8, O shape ring.
[embodiment]
Can explain the utility model in more detail by the following examples, but the utility model is not limited to the following examples;
A kind of double row same diameter ball slewing bearing by reference to the accompanying drawings, comprise outer ring 1, inner ring 2, rolling element 3, spacing block 4, pin 5, stopper 6, Stamping Steel Ribbon 7 and internal layer sealing mechanism, the periphery of described outer ring 1 is provided with oil hole, the inner headed face of outer ring 1 is interval with two V-shaped groove A outwards caved in, described V-shaped groove A replaces with square groove or semi-circular groove, the periphery of inner ring 2 is interval with two V-shaped groove B caved inward, described V-shaped groove B replaces with square groove or semi-circular groove, described each V-shaped groove A and each V-shaped groove B is the raceway that one_to_one corresponding arranges formation two rolling elements 3, a plurality of rolling element 3 is provided with in described every bar raceway, the shape of described rolling element 3 is spheroidal, spacing block 4 is provided with between every two rolling elements 3, the periphery of outer ring 1 is provided with consent, the end face of outer ring 1 is provided with pin-and-hole, the shape of described pin-and-hole is conical circular or square or polygon, the wherein shape preferred conical of pin-and-hole, described pin-and-hole and consent arranged in a crossed manner, stopper 6 is provided with in described consent, described stopper 6 is fixed in consent by pin 5, the first layer sealing that Stamping Steel Ribbon 7 forms double row same diameter ball slewing bearing is respectively equipped with at the two ends of outer ring 1 inner headed face, seal groove is provided with between the outside and Stamping Steel Ribbon 7 of the outside of arbitrary V-shaped groove A or arbitrary V circular groove B, wherein seal groove be arranged on outer ring 1 inner headed face on or be arranged on the periphery of inner ring 2, when implementing the utility model, seal groove is preferably arranged on the periphery of inner ring 2, because processing circular groove on cylindrical is be relatively easy to, so also cost of production can be reduced, the internal layer sealing mechanism that seal forms double row same diameter ball slewing bearing is respectively equipped with in described seal groove, described seal is O shape ring 8 or shaft seal or Stamping Steel Ribbon, and the second layer sealing of double row same diameter ball slewing bearing is formed by described internal layer sealing mechanism.
The utility model is in implementation process, by injecting calcium grease in the middle of first layer sealing and second layer sealing, the sealing of bearing is made to reach the object of water proof and dust proof, simultaneously when selecting O shape ring 8 as seal, need to ensure that the length of O shape ring 8 is 1.04 times of gyration center line length, guarantee that the gap between O shape ring 8 rib corresponding to it is 0.3 ~ 0.5mm when installing O shape ring 8, when selecting Stamping Steel Ribbon as seal, ensure the otch of Stamping Steel Ribbon with to cross with it center line the angle of radius be 45 °.
After the utility model operationally produces heat, the oiling agent of spilling can be kept at the seal space formed between Stamping Steel Ribbon 7 and O shape ring 8, adds the storage space of oiling agent, extends the effective period of lubrication, and then improve the life-span of bearing.
The utility model operationally, Stamping Steel Ribbon 7, O shape ring 8 synchronous rotary of inner ring 2 and its both sides, Stamping Steel Ribbon 7, the O shape ring 8 of outer ring 1 and its both sides are synchronously static, and Stamping Steel Ribbon 7 and O shape ring 8 form the cavity of isolation between the operation interval and external environment condition of bearing; The lip of Stamping Steel Ribbon 7 and form a positive air pressure between outer ring 1 and inner ring 2, this positive air pressure effectively prevents external agency, as metal is cut, entered bearing working interval based on liquid such as the hard dust of carbon silicon, humid air, water; Simultaneously, cavity between rolling element 3 and Stamping Steel Ribbon 7 is divided into two-part by O shape ring 8, when the oiling agent that Heated Flow strengthens falls within inner ring 2 raceway and external diameter, under the influence of centrifugal force, lubricating grease comes back to operation interval, effectively prevents the leakage of lubricating grease.
The utility model efficiently solves the problem that bearing working interval is isolated from the outside, and extends the working life of bearing, is conducive to wideling popularize in Production of bearing enterprise.
The non-detailed portion of the utility model is prior art.
The embodiment selected in this article in order to open the purpose of this utility model, currently thinks to be suitable for, but it is to be understood that the utility model is intended to comprise all changes belonging to the embodiment in this design and invention scope and improvement.
Claims (8)
1. a double row same diameter ball slewing bearing, comprise outer ring (1), inner ring (2), rolling element (3), spacing block (4), pin (5), stopper (6), Stamping Steel Ribbon (7) and internal layer sealing mechanism, the inner headed face of outer ring (1) is interval with two V-shaped groove A outwards caved in, the periphery of inner ring (2) is interval with two V-shaped groove B caved inward, described each V-shaped groove A and each V-shaped groove B is the raceway that one_to_one corresponding arranges formation two rolling elements (3), a plurality of rolling element (3) is provided with in described every bar raceway, spacing block (4) is provided with between every two rolling elements (3), the periphery of outer ring (1) is provided with consent, the end face of outer ring (1) is provided with pin-and-hole, described pin-and-hole and consent arranged in a crossed manner, stopper (6) is provided with in described consent, described stopper (6) is fixed in consent by pin (5), the first layer sealing that Stamping Steel Ribbon (7) forms double row same diameter ball slewing bearing is respectively equipped with at the two ends of outer ring (1) inner headed face, it is characterized in that: between the outside and Stamping Steel Ribbon (7) of the outside of arbitrary V-shaped groove A or arbitrary V circular groove B, be provided with seal groove, the internal layer sealing mechanism that seal forms double row same diameter ball slewing bearing is respectively equipped with in described seal groove, and the second layer sealing of double row same diameter ball slewing bearing is formed by described internal layer sealing mechanism.
2. double row same diameter ball slewing bearing according to claim 1, is characterized in that: on the inner headed face that described seal groove is arranged on outer ring (1) or be arranged on the periphery of inner ring (2).
3. double row same diameter ball slewing bearing according to claim 1, is characterized in that: described seal is O shape ring (8) or shaft seal or Stamping Steel Ribbon.
4. double row same diameter ball slewing bearing according to claim 1, is characterized in that: described V-shaped groove A replaces with square groove or semi-circular groove.
5. double row same diameter ball slewing bearing according to claim 1, is characterized in that: described V-shaped groove B replaces with square groove or semi-circular groove.
6. double row same diameter ball slewing bearing according to claim 1, is characterized in that: the shape of described pin-and-hole is conical circular or square or polygon.
7. double row same diameter ball slewing bearing according to claim 1, is characterized in that: the periphery of described outer ring (1) is provided with oil hole.
8. double row same diameter ball slewing bearing according to claim 1, is characterized in that: the shape of described rolling element (3) is spheroidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490818.6U CN204852020U (en) | 2015-07-09 | 2015-07-09 | It is double with footpath ball turntable bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490818.6U CN204852020U (en) | 2015-07-09 | 2015-07-09 | It is double with footpath ball turntable bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852020U true CN204852020U (en) | 2015-12-09 |
Family
ID=54742571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520490818.6U Expired - Fee Related CN204852020U (en) | 2015-07-09 | 2015-07-09 | It is double with footpath ball turntable bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443327A (en) * | 2018-05-09 | 2018-08-24 | 海宁科巍轴承科技有限公司 | A kind of new ceramics bearing inner ring |
-
2015
- 2015-07-09 CN CN201520490818.6U patent/CN204852020U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443327A (en) * | 2018-05-09 | 2018-08-24 | 海宁科巍轴承科技有限公司 | A kind of new ceramics bearing inner ring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204647014U (en) | A kind of inner chamber and the internal diameter Novel double-row tapered roller bearing all with sealing | |
| CN204628265U (en) | A kind of sealed type roller bearing | |
| CN205025940U (en) | Four point contact ball turntable bearings | |
| CN204852020U (en) | It is double with footpath ball turntable bearing | |
| CN203948446U (en) | The hermetically sealed single row full-filling roller bearing of a kind of king post system | |
| CN205937458U (en) | Double turntable bearing with footpath ball | |
| CN103185066A (en) | Double-sealed turntable bearing | |
| CN203285841U (en) | Self-aligning roller bearing | |
| CN204878359U (en) | Three rows of roller turntable bearings of double sealing | |
| CN204267732U (en) | A kind of rolling mill bearing sealing configuration of improvement type | |
| CN204878354U (en) | Double sealing's double reducing ball turntable bearing | |
| CN203822861U (en) | Angular contact ball bearing with repeated grease injection structure at outer ring | |
| CN203570855U (en) | Dust prevention structure for large-bearing-capacity slewing bearing | |
| CN104712660A (en) | Dual-row tapered roller bearing | |
| CN104653606A (en) | Four-row cylindrical roller bearing for heavy loading | |
| CN201524698U (en) | Durable mill special bearing | |
| CN204025368U (en) | Internal and external cycle labyrinth sealed roller bearing units | |
| CN104653603A (en) | Retainer-free closed double-row cylindrical roller bearing | |
| CN205101418U (en) | Bearing arrangement of arable land tractor -ploughing sword | |
| CN202531644U (en) | Omniseal biserial cylindrical roller bearing with flange | |
| CN204357962U (en) | A kind of bearing on roller shaft | |
| CN205978441U (en) | Bearing auto -lock seal assembly | |
| CN101769303A (en) | Rolling mill double-row angular contact ball bearing | |
| CN202118127U (en) | Water-proof sealed bearing | |
| CN204942060U (en) | A kind of mechanical seal structure |
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: 20151209 Termination date: 20170709 |