CN203717660U - Bisection-type cross tapered roller bearing - Google Patents
Bisection-type cross tapered roller bearing Download PDFInfo
- Publication number
- CN203717660U CN203717660U CN201420070141.6U CN201420070141U CN203717660U CN 203717660 U CN203717660 U CN 203717660U CN 201420070141 U CN201420070141 U CN 201420070141U CN 203717660 U CN203717660 U CN 203717660U
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- China
- Prior art keywords
- hole
- roller bearing
- turns
- outer ring
- turn
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Abstract
The utility model provides a bisection-type cross tapered roller bearing. The cross tapered roller bearing comprises an inner ring, an outer ring and tapered rollers, wherein the tapered rollers are arranged in two columns, an isolation retaining block is arranged between two adjacent tapered rollers, and the two columns of the tapered rollers are limited by means of the isolation retaining blocks to be crosswise arranged at 90 degrees with each other; the relative surfaces of the inner ring and the outer ring are provided with V-shaped roller paths, and the two columns of the tapered rollers are installed in the V-shaped roller paths by means of the isolation retaining blocks; the cross tapered roller bearing is characterized in that the inner ring and/or the outer ring are/is divided into two half rings, the inner side surface of each half ring is provided with an oblique rolling slope, and the oblique rolling slopes on the two relative half rings are butted together to form the V-shaped roller paths. The bisection-type cross tapered roller bearing provided by the utility model can bear radial load, overturning moment and two-way axial load, change in size caused by heat has no influence on the bearing, and the preliminary load is kept stable within a whole working temperature range; the bisection-type cross tapered roller bearing is light in weight, small in size and easy to install, by adopting the cross roller bearing, the space can be saved, materials can be economized, and meanwhile, the barycenter of a whole machinery can be lowered.
Description
Technical field
The utility model relates to a kind of mechanical part, relates in particular to a kind of crossed-circle taper roller bearing.
Background technique
In the prior art, bearing is as a mechanical part indispensable in mechanical field, be applied in all trades and professions, wherein crossed roller bearing is owing to can bear radial load simultaneously, the directive loads such as axial load and moment load, more and more be applied in the mechanical working condition of various complexity, it mainly comprises inner ring crossed-circle taper roller bearing, outer ring, roller and spacing holder, the bearing of applying in heavy mechanical equipment is because its size is large, assembling easily, therefore do not need to consider the problem of assembling, but in some accurate apparatuses, the bearing generally less (internal diameter is below 200mm) of application, corresponding roller equidimension is also less, and also high to the required precision of bearing, therefore bearing in when assembling in order to ensure its precision, its assembly process is very complicated (because bearing size is little, the words that inner ring and outer ring are all integrated can only first assemble outer ring inner ring while assembling and then retainer and roller are routed on raceway, and only have the words retainer of inner ring or outer ring and roller to be difficult to keep maintaining static).
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of simple, to be applicable to highly sophisticated device application point half formula crossed-circle taper roller bearing that assembles.
For achieving the above object, the utility model provides a kind of point of half formula crossed-circle taper roller bearing, comprise inner ring, outer ring and tapered roller, described tapered roller arranges in two separate ranks, between adjacent described tapered roller, be provided with isolation maintainance block, the described tapered roller of two row is restricted in 90 ° arranged in a crossed manner each other by described isolation maintainance block, the one side that described inner ring is relative with described outer ring is equipped with V-arrangement raceway, the described tapered roller of two row is arranged in described V-type rolling channel by described isolation maintainance block, described inner ring and/or outer ring are divided into two half-turns, described half-turn inner side surface is provided with and tilts to roll slope, inclination on two relative described half-turns is rolled slope and is docking together and forms described V-type rolling channel.
Preferably, described inner ring is two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes therein, multiple described step holes circularize and are uniformly distributed, described in another, half-turn has the tapped hole corresponding with described step hole quantity, and the lower floor hole of described step hole is tapped hole, and the upper strata hole shape of described step hole is the circular hole that is greater than described bolt nut.
Preferably, described outer ring is two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes therein, multiple described step holes circularize and are uniformly distributed, described in another, half-turn has the tapped hole corresponding with described step hole quantity, and the lower floor hole of described step hole is tapped hole, and the upper strata hole shape of described step hole is the circular hole that is greater than described bolt nut.
Preferably, described inner ring and described outer ring are two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes therein, multiple described step holes circularize and are uniformly distributed, described in another, half-turn has the tapped hole corresponding with described step hole quantity, and the lower floor hole of described step hole is tapped hole, and the hole, upper strata of described step hole is the circular hole that is greater than described bolt nut.
Preferably, the quantity of described step hole is 3-8, and the pore size of all described step holes is all consistent.
Preferably, also comprise raceway pad, the slope laminating of rolling of described raceway pad and described V-type rolling channel arranges.
Point half formula crossed-circle taper roller bearing that the utility model provides can bear radial load, tilting moment and bi-directional axial load, and the dimensional changes that heat causes does not affect this bearing, preloads in whole operating temperature range and keeps stable.Lightweight, volume is little, easily install.Adopt crossed roller bearing can save space, save material, can reduce the center of gravity of entirety machinery simultaneously, be suitable for the purposes of the revolving table, mechanism hand rotary part, precision rotation worktable, medical machine, metering mechanism, IC manufacturing installation etc. of the joint portion of industrial robot or rotary part, machining center.
Brief description of the drawings
Fig. 1 is the side structure schematic diagram that the utility model divides half formula crossed-circle taper roller bearing;
Fig. 2 is the plan structure schematic diagram that the utility model divides half formula crossed-circle taper roller bearing.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Please refer to Fig. 1, Fig. 1 is the side structure schematic diagram that the utility model divides half formula crossed-circle taper roller bearing.
A kind of point half formula crossed-circle taper roller bearing, comprise inner ring 1, outer ring 2 and tapered roller 4, described tapered roller 4 arranges in two separate ranks, between adjacent described tapered roller 4, be provided with isolation maintainance block 3, the described tapered roller 4 of two row is restricted in 90 ° arranged in a crossed manner each other by described isolation maintainance block 3, described inner ring 1 is equipped with V-arrangement raceway with the relative one side in described outer ring 2, the described tapered roller 4 of two row is arranged in described V-type rolling channel by described isolation maintainance block 3, described inner ring 1 and/or outer ring 2 are divided into two half-turns, described half-turn inner side surface is provided with and tilts to roll slope, inclination on two relative described half-turns is rolled slope and is docking together and forms described V-type rolling channel.
Please refer to Fig. 2, Fig. 2 is the plan structure schematic diagram that the utility model divides half formula crossed-circle taper roller bearing.
Described inner ring 1 is two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes 5 therein, multiple described step holes 5 circularize and are uniformly distributed, described in another, half-turn has the tapped hole corresponding with described step hole 5 quantity, the lower floor hole of described step hole 5 is tapped hole, and the upper strata hole shape of described step hole 5 is the circular hole that is greater than described bolt nut.
Described outer ring 2 is two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes 5 therein, multiple described step holes 5 circularize and are uniformly distributed, described in another, half-turn has the tapped hole corresponding with described step hole 5 quantity, the lower floor hole of described step hole 5 is tapped hole, and the upper strata hole shape of described step hole 5 is the circular hole that is greater than described bolt nut.
Described inner ring 1 and described outer ring 2 are two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes 5 therein, multiple described step holes 5 circularize and are uniformly distributed, described in another, half-turn has the tapped hole corresponding with described step hole 5 quantity, the lower floor hole of described step hole 5 is tapped hole, and the hole, upper strata of described step hole 5 is the circular hole that is greater than described bolt nut.
The quantity of described step hole 5 is 3-8, and the pore size of all described step holes 5 is all consistent.According to bearing reason due to machinery action in the time working, its radial load that need to bear, thrust load and tilting moment etc. all have difference everywhere, for this kind of situation can by adjust Corresponding matching relation between two half-turns of inner ring 1 or outer ring 2 can avoid certain owing to bearing for a long time large load serious wear, reduce the working life of bearing, the corresponding uniform setting of step hole 5 on two half-turns and bolt hole homogeneous one, therefore still can be mapped the hole on two half-turns to ressemble according to certain angular turn half-turn.
Also comprise raceway pad, the slope laminating of rolling of described raceway pad and described V-type rolling channel arranges, and raceway pad can be laid according to the design data such as size, size of tapered roller 4, makes raceway can deal with polytypic tapered roller 4 and uses.
Divide the application note (be two half-turns for inner ring 1, being as shown in fig. 1 inner ring is two half-turns) of half formula crossed-circle taper roller bearing:
When assembling, first assemble a half-turn of outer ring 2 and inner ring 1, then pack successively tapered roller 4 and isolation maintainance block 3 into, one end that when assembling, two row tapered roller 4 areas are larger is all towards outer ring 2 raceways, after assembling, together with knocked-down half-turn being installed to the half-turn assembling by bolt, complete assembling; When outer ring 2 is two half-turns, first assemble a half-turn of inner ring 1 and outer ring 2, follow-up assembling is the same.
In the time that inner ring 1 and outer ring 2 are two half-turns, after only needing lower floor's half-turn of lower floor's half-turn of inner ring 1 and outer ring 2 to lay when assembling, refill and join tapered roller 4 and isolation maintainance block 3, then with bolt, the half-turn bolt of remaining inner ring 1 and outer ring 2 is installed, the filling of tapered roller 4 and isolation maintainance block 3 is more convenient.
Above-described embodiment is only for the utility model creation example is clearly described, and not the utility model is created the restriction of embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all mode of executions.All any apparent variations of being extended out within spirit of the present utility model and principle or variation are still among the utility model is created the protection domain of claim.
Claims (6)
1. one kind of point of half formula crossed-circle taper roller bearing, comprise inner ring, outer ring and tapered roller, described tapered roller arranges in two separate ranks, between adjacent described tapered roller, be provided with isolation maintainance block, the described tapered roller of two row is restricted in 90 ° arranged in a crossed manner each other by described isolation maintainance block, the one side that described inner ring is relative with described outer ring is equipped with V-type rolling channel, the described tapered roller of two row is arranged in described V-type rolling channel by described isolation maintainance block, it is characterized in that, described inner ring and/or outer ring are divided into two half-turns, described half-turn inner side surface is provided with and tilts to roll slope, inclination on two relative described half-turns is rolled slope and is docking together and forms described V-type rolling channel.
2. according to claim 1 point of half formula crossed-circle taper roller bearing, it is characterized in that, described inner ring is two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes therein, multiple described step holes circularize and are uniformly distributed, and described in another, half-turn has the tapped hole corresponding with described step hole quantity, the lower floor hole of described step hole is tapped hole, and the upper strata hole shape of described step hole is the circular hole that is greater than described bolt nut.
3. according to claim 1 point of half formula crossed-circle taper roller bearing, it is characterized in that, described outer ring is two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes therein, multiple described step holes circularize and are uniformly distributed, and described in another, half-turn has the tapped hole corresponding with described step hole quantity, the lower floor hole of described step hole is tapped hole, and the upper strata hole shape of described step hole is the circular hole that is greater than described bolt nut.
4. according to claim 1 point of half formula crossed-circle taper roller bearing, it is characterized in that, described inner ring and described outer ring are two half-turns, two described half-turns are bolted together, on a described half-turn, have multiple step holes therein, multiple described step holes circularize and are uniformly distributed, described in another, half-turn has the tapped hole corresponding with described step hole quantity, the lower floor hole of described step hole is tapped hole, and the hole, upper strata of described step hole is the circular hole that is greater than described bolt nut.
5. according to the arbitrary described point half formula crossed-circle taper roller bearing of claim 2-4, it is characterized in that, the quantity of described step hole is 3-8, and the pore size of all described step holes is all consistent.
6. according to the arbitrary described point half formula crossed-circle taper roller bearing of claim 1-4, it is characterized in that, also comprise raceway pad, the slope laminating of rolling of described raceway pad and described V-type rolling channel arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070141.6U CN203717660U (en) | 2014-02-18 | 2014-02-18 | Bisection-type cross tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070141.6U CN203717660U (en) | 2014-02-18 | 2014-02-18 | Bisection-type cross tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717660U true CN203717660U (en) | 2014-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420070141.6U Expired - Fee Related CN203717660U (en) | 2014-02-18 | 2014-02-18 | Bisection-type cross tapered roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050153A (en) * | 2018-01-05 | 2018-05-18 | 成都市青白江四方非标轴承有限公司 | A kind of intersection taper roll bearing |
-
2014
- 2014-02-18 CN CN201420070141.6U patent/CN203717660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050153A (en) * | 2018-01-05 | 2018-05-18 | 成都市青白江四方非标轴承有限公司 | A kind of intersection taper roll 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 |
Granted publication date: 20140716 Termination date: 20160218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |