CN216768091U

CN216768091U - Gyration bearing structure

Info

Publication number: CN216768091U
Application number: CN202220279969.7U
Authority: CN
Inventors: 吴明; 刘江林
Original assignee: Gauss Robot Shenzhen Co ltd
Current assignee: Gauss Robot Shenzhen Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-06-17
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a rotary supporting structure, which comprises a seat ring and a moving coil, wherein a lower shaft mounting hole is formed in the center of the seat ring, an upper shaft mounting hole is formed in the center of the moving coil, a lower shaft is mounted in the lower shaft mounting hole, an upper shaft fixed with the lower shaft through a bolt is arranged in the upper shaft mounting hole, so that the seat ring is connected with the moving coil, a thrust bearing and a radial bearing are arranged at the joint of the upper shaft mounting hole and the lower shaft mounting hole, and a ball and an isolation block group connected with the moving coil are arranged on the outer edge of the seat ring; meanwhile, the utility model has simple structure and easy manufacture, and greatly reduces the manufacturing cost.

Description

Gyration bearing structure

Technical Field

The utility model relates to the field of slewing devices, in particular to a slewing support structure.

Background

The rotary platform is widely used in the fields of engineering machinery, mining machinery, solar energy, small-sized wind power generation and the like, adopts a device which performs relative rotary motion between an inner ring and an outer ring, can bear axial force, radial force and tipping moment, and is an important transmission part necessary for machinery; however, the positioning accuracy and the axial bearing capacity of the existing rotary platform are not enough, and problems are easy to occur in practical use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a gyration bearing structure, includes seat circle, movable coil, the seat circle center sets up down the axle mounting hole, the movable coil center sets up the upper shaft mounting hole, install the lower axle in the lower axle mounting hole, set up the upper shaft that passes through bolt and lower axle are fixed in the upper shaft mounting hole for the seat circle is connected with the movable coil, the upper shaft mounting hole sets up thrust bearing and radial bearing with the junction of lower axle mounting hole, the outer edge of seat circle sets up ball, the spacer group of being connected with the movable coil.

Furthermore, a bearing mounting table is arranged at the position of the upper shaft mounting hole downwards, the lower shaft extends into the bearing mounting table, and the thrust bearing is arranged between the inner wall of the bearing mounting table and the outer wall of the lower shaft.

Further, the cross section of the bearing mounting table is L-shaped.

Further, the bottom of the bearing installation table is in contact with the top surface of the seat ring, the top surface of the moving ring is provided with a bearing installation wall which is coaxial with the lower shaft installation hole, and a radial bearing is arranged between the inner wall of the bearing installation wall and the outer wall of the bearing installation table.

Further, the outer edge of the seat ring is provided with a lower ball mounting groove, the bottom of the moving coil is provided with an upper ball mounting groove corresponding to the lower ball mounting groove, and the balls and the isolation blocks are arranged between the upper ball mounting groove and the lower ball mounting groove in an alternating manner.

Furthermore, the centers of the upper shaft and the lower shaft are provided with mounting holes in a penetrating way.

Further, the outer wall of the moving coil is circumferentially provided with transmission teeth.

After the scheme is adopted, the utility model has the following advantages: the utility model adopts the combination of the radial bearing and the thrust ball bearing, and has higher positioning precision and larger axial bearing capacity; meanwhile, the utility model has simple structure and easy manufacture, and greatly reduces the manufacturing cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic upper structure view of a slewing support structure of the present invention.

Fig. 2 is a schematic view of a lower structure of a slewing bearing structure according to the present invention.

Fig. 3 is a schematic diagram of a revolving support structure according to the present invention in a disassembled state.

Fig. 4 is a schematic view of a lower portion of a slewing bearing structure according to the present invention in a disassembled state.

Fig. 5 is a schematic view of the arrangement of the bearing in the slewing bearing structure of the present invention.

Fig. 6 is a schematic view of the bottom structure of the moving coil in the rotary support structure according to the present invention.

FIG. 7 is a schematic view of the upper portion of the seat ring of the slewing bearing structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

With reference to fig. 1-7, the embodiment discloses a rotary support structure, which includes a race 1 and a moving coil 2, wherein a lower shaft mounting hole 101 is formed in the center of the race 1, an upper shaft mounting hole 201 is formed in the center of the moving coil 2, a lower shaft 3 is mounted in the lower shaft mounting hole 101, an upper shaft 4 fixed with the lower shaft 3 through a bolt is arranged in the upper shaft mounting hole 201, and the diameter of the upper shaft is smaller than that of the lower shaft, so that the race 1 is connected with the moving coil 2, a thrust bearing 5 and a radial bearing 6 are arranged at the connection position of the upper shaft mounting hole 201 and the lower shaft mounting hole 101, and a ball 7 and an isolation block 8 group connected with the moving coil 2 are arranged on the outer edge of the race 1; meanwhile, mounting holes are arranged in the centers of the upper shaft 2 and the lower shaft 3 in a penetrating manner; the outer wall of the moving coil 2 is circumferentially provided with a transmission gear 204.

Referring to fig. 6, a bearing mounting table 202 is arranged downwards at the upper shaft mounting hole 201, the lower shaft extends 3 into the bearing mounting table 202, and the thrust bearing 5 is arranged between the inner wall of the bearing mounting table 202 and the outer wall of the lower shaft 3; with reference to fig. 5, the cross-section of the bearing mount 202 is "L" -shaped; the bottom of the bearing mounting table 202 is contacted with the top surface of the seat ring 1, the top surface of the moving coil 2 is provided with a bearing mounting wall 102 which is coaxial with the lower shaft mounting hole 101, and a radial bearing 6 is arranged between the inner wall of the bearing mounting wall 102 and the outer wall of the bearing mounting table 202; the inner side and the outer side of the bearing mounting table in the moving coil are connected with the seat ring through the bearing, and then the moving coil is rotationally connected with the seat ring

Referring to fig. 7, the outer edge of the race 1 is provided with a lower ball mounting groove 103, referring to fig. 6, the bottom of the moving coil 2 is provided with an upper ball mounting groove 203 corresponding to the lower ball mounting groove 103, and the balls 7 and the spacers 8 are alternately arranged between the upper ball mounting groove 203 and the lower ball mounting groove 103.

When the radial bearing and thrust ball bearing combined type axial load bearing device is used, the radial bearing and thrust ball bearing combined type axial load bearing device has high positioning accuracy and high axial bearing capacity.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a gyration bearing structure, its characterized in that includes seat circle, movable coil, the seat circle center sets up down the axle mounting hole, the movable coil center sets up the upper shaft mounting hole, install the lower axle in the lower shaft mounting hole, set up the upper shaft that passes through bolt and lower axle fixing in the upper shaft mounting hole for the seat circle is connected with the movable coil, the junction of upper shaft mounting hole and lower axle mounting hole sets up thrust bearing and radial bearing, the seat circle is outer along setting up ball, the spacer group be connected with the movable coil.

2. The slewing support structure of claim 1, wherein the upper shaft mounting hole is provided with a bearing mounting table downward, the lower shaft extends into the bearing mounting table, and the thrust bearing is arranged between an inner wall of the bearing mounting table and an outer wall of the lower shaft.

3. A slewing support structure according to claim 2, wherein said bearing mounting platform is "L" shaped in cross-section.

4. A rotary support structure according to claim 3, wherein the bottom of the bearing mounting table is in contact with the top surface of the race, the top surface of the moving coil is provided with a bearing mounting wall coaxially arranged with the lower shaft mounting hole, and a radial bearing is arranged between the inner wall of the bearing mounting wall and the outer wall of the bearing mounting table.

5. The slewing bearing structure of claim 1, wherein the outer rim of the race is provided with a lower ball mounting groove, the bottom of the moving coil is provided with an upper ball mounting groove corresponding to the lower ball mounting groove, and the balls and the spacers are alternately arranged between the upper ball mounting groove and the lower ball mounting groove.

6. The slewing bearing structure of claim 1, wherein the upper and lower shafts have mounting holes extending through the centers thereof.

7. The slewing bearing structure of claim 1 wherein said outer wall of said moving coil is circumferentially provided with drive teeth.