CN205423556U - Roller bearing , continuous casting machine , paper machine, engineering machine tool and industry machinery - Google Patents

Abstract

The utility model provides a roller bearing has: the inner circle, it has raceway surface on the outer peripheral face, the outer lane, it has raceway surface on the inner peripheral surface, a plurality of rollers between the raceway surface of its raceway surface that can dispose at above -mentioned inner circle and above -mentioned outer lane with rolling, form at least one the annular mounting groove on the outer peripheral face of above -mentioned inner circle along circumference, with install in above -mentioned mounting groove and prevent above -mentioned roller come off at least one consolidate fixed ring, at least one of above -mentioned solid fixed ring has annulus and the portion of blocking that forms with the ring -type, the both ends of above -mentioned annulus have the position that upwards overlaps in the footpath.

Description

Roller bearing, continuous casting machine, paper machine, engineering machinery and industrial machine

Technical field

The utility model relates to roller bearing that use in industrial machine, steel machinery, papermaking equipment and engineering machinery etc., that can rollably be configured with multiple roller between inner ring and outer ring, particularly relates to the roller bearing (fullcomplementrollerbearing) without the full dress roller-type of retainer.

Background technology

In the past, for the roller bearing used in industrial machine or steel machinery, engineering machinery etc., in the case of the load acted on is big, in order to bearing not increased with maximizing the load capacity of bearing, and employ removal retainer to increase the roller bearing of the full dress roller-type of roller quantity.Barrel roller bearing as one of this roller bearing is rolled along aimming circle tubular roller in the circumferential by the annular flange portion being located on the axial end portion of Internal and external cycle, but know a kind of in order to carry out the assembling of bearing, decomposition, and at least one end in the both ends of Internal and external cycle is set to non-lipped structure.But, thus, because outer ring or inner ring stagger vertically and worry that cylinder roller can come off, on the side face being set to non-lipped end, therefore it is provided with mounting groove continuously in a circumferential, and the C-shaped retainer ring that makes the part in circumference be truncated is chimeric with this groove, is therefore prevented from coming off of cylinder roller.

It addition, when axle elongation in use becomes big, roller can enter to the cross-section of retainer ring and from lateral impact retainer ring, and thus worry can occur breakage.As the prior art in order to prevent this problem, such as, enumerate patent document 1.

Patent document

Patent document 1: Japanese Unexamined Patent Publication 9-177770 publication

Utility model content

Above-mentioned conventional retainer ring is characterised by, when, in time radially observing retainer ring, cut through is cone-shaped.But, in this configuration, with taper accordingly from the point of view of roller side, the cut through width of retainer ring becomes big, therefore in conveying, roller easily enters to above-mentioned cut through, if roller rotates in this condition, it is likely that roller can be occurred to collide, with cut through cross section, the problem causing breakage, coming off.Have to when mounted make taper surface be in the problem points that roller side assembles it addition, also have.If it addition, consider the thickness of retainer ring, if it has to small cross-section is processed as cone-shaped, it is difficult to carry out this processing.

The utility model is made in view of the above problems, for the purpose of a kind of roller bearing to be provided, this roller bearing is by transforming the cut through shape of retainer ring, even and if make the gap with cut through, also the cut through making roller enter to retainer ring it is difficult to, it is possible to prevent the breakage because the collision of cut through cross section is caused by roller, come off.

To achieve these goals, roller bearing of the present utility model has: inner ring, and it has roller surface on outer peripheral face；Outer ring, it has roller surface on inner peripheral surface；Multiple rollers, it can rollably be arranged between the roller surface of above-mentioned inner ring and the roller surface of above-mentioned outer ring；At least one the ring-type mounting groove being formed circumferentially on the outer peripheral face of above-mentioned inner ring；Be arranged on above-mentioned mounting groove in and prevent at least one retainer ring come off of above-mentioned roller, at least one of above-mentioned retainer ring has the annulus with ring-type formation and a cut through, and the both ends of above-mentioned annulus have position overlapping diametrically.

Additionally, it is preferred that be, in above-mentioned roller bearing, above-mentioned cut through when along the end on observation of roller bearing relative to radially being formed sideling.

It addition, above-mentioned roller bearing is applicable to the bearing that continuous casting machine is had.

It addition, above-mentioned roller bearing is applicable to the bearing that paper machine is had.

It addition, above-mentioned roller bearing is applicable to the bearing that engineering machinery is had.

It addition, above-mentioned roller bearing is applicable to the bearing that industrial machine is had.

The effect of utility model

According to having the roller bearing of the present utility model of above-mentioned composition, even if having cut through in retainer ring, it is also difficult to make roller enter to the cut through of retainer ring, it is possible to prevent because of roller cut through cross section collided caused breakage, come off.

Accompanying drawing explanation

Fig. 1 is the sectional view of the roller bearing representing an embodiment of the present utility model.

Fig. 2 is that the A of Fig. 1 is to the enlarged drawing regarded.

Description of reference numerals

1 barrel roller bearing

2 inner rings

2a roller surface

2b flange part

3 outer rings

3a roller surface

3b flange part

4 cylinder rollers

5 mounting grooves

6 retainer ring

6a cut through

I.e. outside diameter end, mono-end of 6b

Another end of 6c i.e. internal side diameter end

Detailed description of the invention

Fig. 1 is the sectional view of the roller bearing representing an embodiment of the present utility model.This roller bearing is the barrel roller bearing 1 of full dress roller-type, has: the outer ring 3 of the band double flange being fixed on not shown shell；The inner ring 2 of the band list flange being fixed in not shown rotary shaft；And the multiple cylinder rollers 4 as roller can being rollably arranged between inner ring 2 and outer ring 3.

Outer ring 3 is formed for, at the axial central portion of inner peripheral surface, the roller surface 3a that cylinder roller 4 rolls, and on the axial both ends of inner peripheral surface, is integrally formed with the flange part 3b prominent to inner ring 2 side.Inner ring 2 is formed for the roller surface 2a that cylinder roller 4 rolls on the axial central portion of outer peripheral face, on the end of the axial side (left side of Fig. 1) of outer peripheral face, is integrally formed with the flange part 2b prominent to side, outer ring 3.

In the non-lipped part of the axial opposite side (right side of Fig. 1) of the outer peripheral face of inner ring 2, it is formed with ring-type mounting groove 5 continuously in a circumferential, chimeric in this mounting groove 5 have retainer ring 6, and this retainer ring 6 prevents because staggering vertically and cause cylinder roller 4 to come off in inner ring 2 or outer ring 3.

Fig. 2 be the A of Fig. 1 to the enlarged drawing regarded, be the figure axially carrying out observing from barrel roller bearing 1, illustrate only inner ring 2, cylinder roller 4 and retainer ring 6 as major part.Retainer ring 6 has the annulus with ring-type formation and cut through 6a, and the both ends of annulus have position overlapping diametrically.

The brightest, radially overlapping with end side at barrel roller bearing 1 of an end i.e. outside diameter end 6b of cut through 6a of retainer ring 6.It addition, radially overlapping with a side end at barrel roller bearing 1 of another end i.e. internal side diameter end 6c of cut through 6a on the external diameter of inner ring 2.I.e., at barrel roller bearing 1 radially, from barrel roller bearing 1 centrally through a boost line can contact with a side end of cut through 6a and end side both sides.The both ends of retainer ring 6 have position overlapping diametrically.

By this composition, in fig. 2, such as, cut through 6a relative to retainer ring 6, when cylinder roller 4 is from the right side relative movement to the left of figure, cylinder roller 4 can be in the process (the most directed process) contacted with the end side of cut through 6a, also with the side ends contact of cut through 6a, therefore, in cylinder roller 4 is difficult to enter to cut through 6a of retainer ring 6.That is, will not collide to the cross section of cut through 6a, it is possible to prevent the breakage of cylinder roller 4 or come off due to cylinder roller 4.

Additionally, it is preferred that be, cut through 6a when along the end on observation of barrel roller bearing 1 relative to radially being formed sideling.And can also be that two cross sections are formed parallel to.By constituting in this wise, it is preferred at easily fabricated aspect.

In the above-described embodiment, illustrate the barrel roller bearing 1 with the identical cylinder roller 4 of axial top external diameter, but also be able to the taper roll bearing being applicable to that there is the different taper roller of axial top external diameter.It addition, in the above-described embodiment, illustrate inner ring 2 and integrally there is on the end of the axial side of outer peripheral face the example of the flange part 2b prominent to side, outer ring 3, but can also be configured to, make the axial both sides of inner ring there is no flange, in axial both sides, there is retainer ring.

Roller bearing shown in above-mentioned embodiment can be applicable to various industrial machine, it is also possible to be applicable to the bearing used paper machine, engineering machinery or vehicle etc..It is particularly suited for the continuous casting machine used in iron and steel manufactures.

Claims (6)

1. a roller bearing, it is characterised in that have:

Inner ring, it has roller surface on outer peripheral face；

Outer ring, it has roller surface on inner peripheral surface；

Multiple rollers, it can rollably be arranged between the roller surface of described inner ring and the roller surface of described outer ring；

At least one the ring-type mounting groove being formed circumferentially on the outer peripheral face of described inner ring；With

It is arranged in described mounting groove and prevents at least one retainer ring come off of described roller,

At least one of described retainer ring has the annulus with ring-type formation and a cut through,

The both ends of described annulus have position overlapping diametrically.

Roller bearing the most according to claim 1, it is characterised in that described cut through when along the end on observation of roller bearing relative to radially being formed sideling.

3. a continuous casting machine, it is characterised in that there is the roller bearing described in claim 1 or 2.

4. a paper machine, it is characterised in that there is the roller bearing described in claim 1 or 2.

5. an engineering machinery, it is characterised in that there is the roller bearing described in claim 1 or 2.

6. an industrial machine, it is characterised in that there is the roller bearing described in claim 1 or 2.