CN215444771U

CN215444771U - Engineering machine tool rotary platform bearing structure

Info

Publication number: CN215444771U
Application number: CN202121619001.6U
Authority: CN
Inventors: 李云峰
Original assignee: Shanxi Vocational University Of Engineering And Technology
Current assignee: Shanxi Vocational University Of Engineering And Technology
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-07
Anticipated expiration: 2031-07-16

Abstract

The utility model belongs to the technical field of engineering machinery, and relates to a rotary platform supporting structure of engineering machinery. The beneficial effects are that, this engineering machine tool rotary platform bearing structure, through setting up holding ring and locating piece, make the external installation platform cup joint on the holding ring surface and joint on the locating piece, can realize the relocalization to the mount table, guarantee the effective correspondence of mount table mounting hole and first connecting hole, can block between mount table and the inner circle internally mounted structure with the help of the holding ring simultaneously, avoid appearing the condition that the friction leads to the damage between the structure, through setting up double rolling element, can strengthen rotary platform and support pivoted stability.

Description

Engineering machine tool rotary platform bearing structure

Technical Field

The utility model belongs to the technical field of engineering machinery, and particularly relates to a rotary platform supporting structure of engineering machinery.

Background

Construction machinery is an important component of the chinese equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery.

At present, the rotary platform bearing structure for engineering machinery has the defect of inconvenient positioning mostly, and then the connection effect is poor, so that the rotary platform bearing structure needs to be improved, if Chinese patent discloses an engineering machinery rotary platform bearing structure, the bulletin number is: CN211693223U, announcement date is: 20201016, comprising a slewing bearing, wherein the bottom end face of the outer ring of the slewing bearing is provided with at least two positioning reinforcing parts, and each positioning reinforcing part is uniformly distributed on the bottom end face of the outer ring of the slewing bearing, so that the positioning reinforcing parts are easy to position and convenient to install; the use process is firm, and the joint is not easy to deform.

But this patent still has certain drawback, and it has only set up arc and protruding formation location reinforcement, and its location effect is poor, in the use, very easily appears the dislocation problem, can't carry out the separation to the structure that interior outer lane was installed simultaneously, and then leads to the easy condition that the friction damaged appears of interior outer lane structure, and its rolling element is the single setting, and its rotation is poor, and rotation performance is weak, uses inconveniently.

Disclosure of Invention

To solve the problems set forth in the background art described above. The utility model provides a supporting structure of a rotary platform of engineering machinery, which solves the technical problems of single positioning function and poor wear resistance.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an engineering machine tool rotary platform supporting structure, includes outer lane and inner circle, the top fixedly connected with holding ring of outer lane, the fixed surface of holding ring is connected with the locating piece, the first connecting hole of a plurality of and second connecting hole have been seted up respectively to the inside of outer lane and inner circle, the gyro wheel is connected with a plurality of rolling element, a plurality of between outer lane and the inner circle the rolling element becomes double setting, a plurality of be provided with the spacing block between the rolling element.

As a further scheme of the utility model: the top fixedly connected with arc, the top fixedly connected with lug of arc.

As a further scheme of the utility model: and a sealing ring is arranged between the outer ring and the inner ring.

As a further scheme of the utility model: and a nozzle tip is arranged in the inner ring.

As a further scheme of the utility model: and the surface of the positioning ring is provided with a wear-resistant layer.

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

1. this engineering machine tool rotary platform bearing structure, through setting up holding ring and locating piece, make the external installation platform cup joint on the holding ring surface and joint on the locating piece, can realize the reposition of redundant personnel to the mount table, guarantee the effective correspondence of mount table mounting hole and first connecting hole, can block between mount table and the inner circle internally mounted structure with the help of the holding ring simultaneously, avoid appearing the condition that the friction leads to the damage between the structure, through setting up double rolling element, can strengthen rotary platform and support pivoted stability.

2. This engineering machine tool rotary platform supporting structure, through setting up the sealing ring, can be used for preventing emollient from running off, and protection slewing bearing prevents to receive the pollution of dust and particle, the sealing ring is made by elastic material, through setting up the wearing layer, can increase holding ring wear resistance, and then guarantee result of use, through setting up arc and arch, through arc and arch and mounting groove and mounting hole joint, can realize the preliminary location when installing the mount table, ensure the corresponding connection of first connecting hole.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural diagram of a front view cross section of the present invention;

in the figure: 1. an outer ring; 2. a first connection hole; 3. a positioning ring; 4. positioning blocks; 5. a second connection hole; 6. an inner ring; 7. a nozzle tip; 8. a wear layer; 9. a rolling body; 10. the isolation is quick; 11. a seal ring; 12. an arc-shaped plate; 13. and (4) a bump.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides an engineering machine tool rotary platform supporting structure, including outer lane 1 and inner circle 6, the top fixedly connected with holding ring 3 of outer lane 1, the fixed surface of holding ring 3 is connected with locating piece 4, through setting up holding ring 3 and locating piece 4, make the external mounting platform cup joint on 3 surfaces of holding ring and joint on locating piece 4, can realize the reposition of redundant personnel to the mount table, guarantee mount table mounting hole and the effective correspondence of first connecting hole 2, can block between 6 internal mounting structures of mount table and inner circle with the help of holding ring 3 simultaneously, avoid appearing the condition that the friction leads to the damage between the structure.

First connecting hole 2 of a plurality of and second connecting hole 5 have been seted up respectively to outer lane 1 and inner circle 6 inside, the gyro wheel is connected with a plurality of rolling element 9 between outer lane 1 and the inner circle 6, through setting up double rolling element 9, can strengthen rotary platform and support pivoted stability, a plurality of rolling element 9 becomes double row setting, be provided with spacing block 10 between a plurality of rolling element 9, the top fixedly connected with arc 12 of outer loop, the top fixedly connected with lug 13 of arc 12, through setting up arc 12 and arch, through arc 12 and protruding and mounting groove and mounting hole joint, can realize the preliminary location when installing the mount table, guarantee first connecting hole 2's the corresponding connection.

Specifically, a sealing ring 11 is arranged between the outer ring 1 and the inner ring 6, and by arranging the sealing ring 11, the loss of the lubricant can be prevented, and the slewing bearing can be protected from being polluted by dust and particles, and the sealing ring 11 is made of an elastic material.

Specifically, a nozzle tip 7 is arranged in the inner ring 6.

Specifically, the surface of holding ring 3 is provided with wearing layer 8, through setting up wearing layer 8, can increase holding ring 3 wear resistance, and then ensures the result of use.

The working principle of the utility model is as follows:

s1, firstly, sleeving a mounting groove of a mounting table on the surface of a positioning ring 3, clamping a positioning groove on the mounting table with a positioning block 4, clamping a mounting groove and a mounting hole at another position on the mounting table with an arc-shaped plate 12 and a lug 13, realizing double fixation of the mounting table, enabling a connecting hole on the surface of the mounting table to correspond to a first connecting hole 2 on an outer ring 1, taking a bolt for fixed connection, not needing a worker to manually position the connecting position, and when the mounting table is used, reducing the stress degree of the bolt and guaranteeing the connection effect of the bolt by the positioning ring 3, the positioning block 4, the arc-shaped plate 12 and the lug 13;

s2, the friction force between the installation platform and the inner structure of the inner ring 6 can be enhanced by the aid of the wear-resistant layer 8 on the surface of the positioning ring 3, damage caused by mutual friction between the structures is avoided, and meanwhile, the rolling bodies 9 are arranged in double rows, so that the use stability is enhanced.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides an engineering machine tool rotary platform bearing structure, includes outer lane (1) and inner circle (6), its characterized in that: the top fixedly connected with holding ring (3) of outer lane (1), the fixed surface of holding ring (3) is connected with locating piece (4), a plurality of first connecting hole (2) and second connecting hole (5) have been seted up respectively to outer lane (1) and the inside of inner circle (6), the gyro wheel is connected with a plurality of rolling element (9), a plurality of between outer lane (1) and inner circle (6) rolling element (9) are two rows to be set up, a plurality of be provided with spacing block (10) between rolling element (9).

2. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: the top fixedly connected with arc (12) of outer lane, the top fixedly connected with lug (13) of arc (12).

3. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: and a sealing ring (11) is arranged between the outer ring (1) and the inner ring (6).

4. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: and a nozzle tip (7) is arranged in the inner ring (6).

5. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: and a wear-resistant layer (8) is arranged on the surface of the positioning ring (3).