CN217951011U

CN217951011U - Detachable slewing bearing of raceway

Info

Publication number: CN217951011U
Application number: CN202221825844.6U
Authority: CN
Inventors: 金凯旋; 朱良银; 许丽华; 毕娟娟; 窦方浩; 刘悦
Original assignee: MAANSHAN JINGYI ENGINEERING MACHINERY CO LTD
Current assignee: MAANSHAN JINGYI ENGINEERING MACHINERY CO LTD
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-02
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a detachable slewing bearing of raceway, including outer lane and inner circle, the outer lane divide into outer upper circle and outer lower circle, the inner circle divide into interior upper circle and interior lower circle, the rolling element and spacing block have been installed to the department of meeting of outer upper circle, outer lower circle, interior upper circle and interior lower circle, install the glib talker between interior upper circle and the interior lower circle; the utility model discloses can be when the raceway wearing and tearing appear, only need dismantle the raceway part of wearing and tearing, more renew can, do benefit to and maintain and practice thrift the cost, and then improve slewing bearing's application.

Description

Detachable slewing bearing of raceway

Technical Field

The utility model relates to a bearing technical field especially relates to a detachable slewing bearing of raceway.

Background

The slewing bearing (also called as a slewing bearing) is used as an important basic element of engineering machinery and construction machinery, the application range of the slewing bearing is gradually expanded besides various engineering machinery, and the slewing bearing is widely used to replace an original bearing in various industrial fields such as oil field petrochemical machinery, various machine tools, various machining equipment, metallurgical equipment, steel rolling machinery, mining machinery, textile machinery, ship machinery, forklifts, speed reducers and the like at home and abroad, and the application universality of the slewing bearing also promotes the development of the slewing bearing industry.

The existing slewing bearing structure is mainly inner, the outer ring is combined together, the high bearing capacity and the high efficiency of transmission are realized, the slewing bearing is applied to various heavy and light machines, but the development of the mechanical industry is accompanied, various hosts are more and more complicated facing working conditions, the structure of an inner ring and an outer ring of the existing slewing bearing can not meet the market requirement increasingly, especially, the existing slewing bearing is bad facing some working conditions, the loss of the slewing bearing is large, when the slewing bearing is worn by a raceway and needs to be replaced, the overall replacement of the new slewing bearing is needed, the requirements of convenient later maintenance and cost saving can not be met, and therefore, the raceway detachable slewing bearing is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: a slewing bearing structure in the prior art is difficult to meet the requirement of saving cost, and the provided slewing bearing with the detachable raceway is provided.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a detachable slewing bearing of raceway, includes outer lane and inner circle, the outer lane divide into outer upper ring and outer lower circle, the inner circle divide into interior upper ring and interior lower circle, the department of meeting of outer upper ring, outer lower circle, interior upper ring and interior lower circle has installed rolling element and spacing block, install the glib talker between interior upper ring and the interior lower circle.

The utility model discloses further inject technical scheme:

preferably, the outer lower ring side wall is provided with an outer lower threaded hole, the outer upper ring side wall is provided with an outer upper positioning hole, the outer lower threaded hole is connected with an outer ring positioning hole through an outer shoulder head screw in an internal thread manner, and the outer ring positioning hole penetrates through the outer upper positioning hole through the outer shoulder head screw.

Preferably, the side wall of the inner upper ring is provided with an inner upper threaded hole, the side wall of the inner lower ring is provided with an inner lower positioning hole, the inner upper threaded hole is connected with a shaft shoulder head screw for an inner ring positioning hole in an internal thread manner, and the shaft shoulder head screw for the inner ring positioning hole penetrates through the inner lower positioning hole.

Preferably, an inner ring sealing strip is arranged between the outer upper ring and the inner upper ring, and an outer ring sealing strip is arranged between the outer lower ring and the inner lower ring.

Preferably, the direction of the outer ring positioning hole shoulder screw is opposite to that of the inner ring positioning hole shoulder screw, and the distance between the inner ring positioning hole shoulder screw and the rolling body is the same as the distance between the outer ring positioning hole shoulder screw and the rolling body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses dismantle ordinary slewing bearing inner circle into interior upper ring and interior lower ring two parts, the outer lane is dismantled into outer upper ring and outer lower ring two parts, when the raceway wearing and tearing appear, only need dismantle the raceway part of wearing and tearing more renew can, the dismantlement process is also comparatively light, not only does benefit to maintenance and saving cost, improves slewing bearing's application field moreover, makes slewing bearing can use on more machinery;

2. ordinary slewing bearing assembly needs a rolling element, a spacing block to put into the raceway from stifled consent, and assembly efficiency is lower, and the utility model provides a detachable slewing bearing of raceway directly exposes the raceway in the outside, can directly be good with rolling element and spacing block outward, then in the raceway of once only packing into, not only improved work efficiency greatly, do not worry in addition stifled consent and damage the integrality of rolling element, effectively improved the stability of rolling element.

Drawings

Fig. 1 is a schematic structural view of a slewing bearing with a detachable raceway according to the present invention;

FIG. 2 is a schematic view of a detachable slewing bearing assembly of a raceway;

in the figure: the sealing structure comprises an outer upper ring 1, an outer lower ring 2, an inner upper ring 3, an inner lower ring 4, a rolling body 5, an isolation block 6, a lubricating nipple 7, an outer lower threaded hole 8, an outer upper positioning hole 9, an outer ring positioning hole 10, a shaft shoulder head screw for an outer ring positioning hole, an inner upper threaded hole 11, an inner lower positioning hole 12, a shaft shoulder head screw for an inner ring positioning hole 13, an inner ring sealing strip 14 and an outer ring sealing strip 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a raceway detachable slewing bearing comprises an outer ring and an inner ring, wherein the outer ring is divided into an outer upper ring 1 and an outer lower ring 2, the side wall of the outer lower ring 2 is provided with an outer lower threaded hole 8, the side wall of the outer upper ring 1 is provided with an outer upper positioning hole, the outer lower threaded hole 8 is in threaded connection with an outer ring positioning hole-use shaft shoulder head screw 10, the outer ring positioning hole-use shaft shoulder head screw 10 penetrates through the outer upper positioning hole, the inner ring is divided into an inner upper ring 3 and an inner lower ring 4, the side wall of the inner upper ring 3 is provided with an inner upper threaded hole 11, the side wall of the inner lower ring 4 is provided with an inner lower positioning hole, the inner upper threaded hole 11 is in threaded connection with an inner ring positioning hole-use shaft shoulder head screw 13, the inner ring positioning hole-use shaft shoulder head screw 13 penetrates through the inner lower positioning hole, and the arrangement of the outer upper positioning hole and the inner lower positioning hole is convenient for fixing the outer upper ring 1 and the outer lower ring 2, and the inner upper ring 3 and the inner lower ring 4;

the directions of the outer ring positioning hole shoulder head screw 10 and the inner ring positioning hole shoulder head screw 13 are opposite, the distance between the inner ring positioning hole shoulder head screw 13 and the rolling body 5 is the same as the distance between the outer ring positioning hole shoulder head screw 10 and the rolling body 5, and the inner ring positioning hole shoulder head screw 13 and the outer ring positioning hole shoulder head screw 10 are symmetrically designed to be beneficial to keeping the stability of the slewing bearing;

the joint of the outer upper ring 1, the outer lower ring 2, the inner upper ring 3 and the inner lower ring 4 is provided with a rolling body 5 and an isolation block 6, an inner ring sealing strip 14 is arranged between the outer upper ring 1 and the inner upper ring 3, an outer ring sealing strip 15 is arranged between the outer lower ring 2 and the inner lower ring 4, and an oil nozzle 7 is arranged between the inner upper ring 3 and the inner lower ring 4.

The common slewing bearing processing technology comprises the following steps: rough turning → boring of blocked holes → taper pin hole processing → semi-finish turning of the excavated raceway → gear processing → gear quenching → tempering → raceway quenching → tempering → finish turning → hole processing → finish machining of the raceway;

the utility model provides a detachable slewing bearing processing technology of raceway does: rough turning → positioning hole processing → semi-finish turning and digging the raceway → gear processing → gear quenching → tempering → raceway quenching → tempering → finish turning → hole processing → raceway finish machining;

the machining process shows that the roller path detachable slewing bearing eliminates the processes of boring the blocking hole and machining the taper pin hole, and increases the machining process of the positioning hole. The positioning holes are processed to fix the inner upper ring 3 and the inner lower ring 4 together, then semi-finish turning and rolling path digging are carried out, and the subsequent processes are carried out, and the outer upper ring 1 and the outer lower ring 2 are the same;

the assembling process of the common slewing bearing comprises the following steps: the inner and outer rings are sleeved together → the rolling body 5 and the isolating block 6 are arranged from the plugging hole → the plugging is arranged, the taper pin → the oil filling nozzle 7 → the lubricating grease is filled → the sealing strip is arranged

Assembling process of the rotary bearing with the detachable roller path: the inner lower ring 4 and the outer lower ring 2 have the same raceway height, and are sleeved together → the rolling body 5 and the isolating block 6 are arranged above the raceways → the outer upper ring 1 and the outer lower ring 2 are arranged → the oil nozzle 7 is filled with lubricating grease → the sealing strip is arranged

The assembly of the common slewing bearing needs a rolling body 5 and a spacer block 6 to be assembled into the raceway from the plugging hole, the assembly efficiency is low, the raceway is directly exposed out of the slewing bearing with the detachable raceway, and the rolling body 5 and the spacer block 6 can be directly stacked and assembled into the raceway at one time;

during assembly, the assembly process of the slewing bearing with the detachable raceway comprises the following steps: the raceways of the outer lower ring 2 and the inner lower ring 4 have the same height and are sleeved together → the rolling element 5 is installed, the spacer block 6 → the outer upper ring 1 is installed, the inner upper ring 3 is installed → the shoulder head screw 10 for installing the outer ring positioning hole, the shoulder head screw 13 for installing the inner ring positioning hole → the oil filling nozzle 7 → the grease is filled → the outer ring seal strip 15 and the inner ring seal strip 14 are installed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a detachable slewing bearing of raceway, includes outer lane and inner circle, its characterized in that, the outer lane divide into outer upper ring (1) and outer lower circle (2), the inner circle divide into interior upper ring (3) and interior lower circle (4), rolling element (5) and spacing block (6) have been installed to the department of meeting of outer upper ring (1), outer lower circle (2), interior upper ring (3) and interior lower circle (4), install glib talker (7) between interior upper ring (3) and interior lower circle (4).

2. The raceway detachable type slewing bearing according to claim 1, wherein the outer lower ring (2) has an outer lower threaded hole (8) in a side wall thereof, the outer upper ring (1) has an outer upper positioning hole in a side wall thereof, the outer lower threaded hole (8) is internally threaded with an outer ring positioning hole shoulder screw (10), and the outer ring positioning hole shoulder screw (10) passes through the outer upper positioning hole.

3. The slewing bearing with the detachable raceway according to claim 1, wherein the inner upper ring (3) has an inner upper threaded hole (11) in a side wall thereof, the inner lower ring (4) has an inner lower positioning hole in a side wall thereof, the inner upper threaded hole (11) is connected with an inner ring positioning hole shoulder screw (13) in a threaded manner, and the inner ring positioning hole shoulder screw (13) penetrates through the inner lower positioning hole.

4. A raceway dismountable slewing bearing according to claim 1, characterized in that an inner ring sealing strip (14) is arranged between the outer upper ring (1) and the inner upper ring (3), and an outer ring sealing strip (15) is arranged between the outer lower ring (2) and the inner lower ring (4).

5. A raceway dismountable slewing bearing according to claim 2 or 3, characterized in that the outer ring positioning hole shoulder screw (10) and the inner ring positioning hole shoulder screw (13) are in opposite directions, and the distance between the inner ring positioning hole shoulder screw (13) and the rolling body (5) is the same as the distance between the outer ring positioning hole shoulder screw (10) and the rolling body (5).