CN211820384U

CN211820384U - Anti-breaking tooth type slewing bearing

Info

Publication number: CN211820384U
Application number: CN202020339815.3U
Authority: CN
Inventors: 刘树峰
Original assignee: Anshan Newfoton Machinery Co ltd
Current assignee: Liaoning New Fuyuan Precision Manufacturing Technology Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-30
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a prevent disconnected tooth formula slewing bearing, including the inner circle, the surface movable sleeve of inner circle is equipped with outer ring gear, first ring channel has all been seted up with the surface of inner circle to the inner chamber of outer ring gear, and the inner chamber swing joint of two sets of first ring channels has the ball, the second ring channel has all been seted up with the surface of inner circle to the inner chamber of outer ring gear, the inner chamber fixedly connected with sealing washer of second ring channel, the surface fixedly connected with tooth of outer ring gear, the surface of tooth is seted up flutedly, tooth and outer ring gear are integrated into one piece. The utility model discloses a cooperation that sets up inner circle, outer ring gear, tooth, recess, sealing washer, ball, second ring channel and first ring channel is used, has solved current slewing bearing and has caused the phenomenon of disconnected tooth because tooth is overheated easily, has shortened slewing bearing life's problem, and this slewing bearing possesses long service life's advantage, is worth promoting.

Description

Anti-breaking tooth type slewing bearing

Technical Field

The utility model relates to a machine part technical field specifically is for preventing disconnected tooth formula slewing bearing.

Background

The slewing bearing is a large bearing capable of bearing comprehensive load and simultaneously bearing larger axial and radial loads and overturning moment.

Slewing bearing is the important spare part of part machinery, current slewing bearing is at the in-process that uses, because mutual friction between tooth and another group tooth, because area of contact is great, consequently the friction area is bigger, produce certain heat very easily, when tooth thermal wear appears, cracked phenomenon appears easily, though tooth can contact with lubricating oil when rotatory, but because tooth surface is too smooth, the lubricating oil of being inconvenient for is retained, consequently appear more easily because lubricated inadequately, cause tooth phenomenon that thermal wear appears, slewing bearing's life's phenomenon has been shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent disconnected tooth formula slewing bearing possesses long service life's advantage, has solved current slewing bearing and has shortened slewing bearing life's problem because the overheated phenomenon that causes disconnected tooth of tooth easily.

In order to achieve the above object, the utility model provides a following technical scheme: prevent disconnected tooth formula slewing bearing, including the inner circle, the surface movable sleeve of inner circle is equipped with outer ring gear, first ring channel has all been seted up with the surface of inner circle to the inner chamber of outer ring gear, and the inner chamber swing joint of two sets of first ring channels has the ball, second ring channel has all been seted up with the surface of inner circle to the inner chamber of outer ring gear, the inner chamber fixedly connected with sealing washer of second ring channel, the surface fixedly connected with tooth of outer ring gear, the surface of tooth is seted up flutedly.

Preferably, the teeth and the outer gear ring are integrally formed, the number of the teeth is a plurality, and the number of the grooves is a plurality.

Preferably, the number of the balls is a plurality, and one side of each group of the sealing rings, which is far away from the inner wall of the second annular groove, is respectively contacted with the inner ring and the outer gear ring.

Preferably, the front sides of the inner ring and the outer gear ring are both provided with a plurality of mounting holes.

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

1. the utility model discloses a cooperation that sets up inner circle, outer ring gear, tooth, recess, sealing washer, ball, second ring channel and first ring channel is used, has solved current slewing bearing and has caused the phenomenon of disconnected tooth because tooth is overheated easily, has shortened slewing bearing life's problem, and this slewing bearing possesses long service life's advantage, is worth promoting.

2. The utility model has the advantages that the installation of the balls is convenient through the first annular groove;

the second annular groove is arranged, so that the sealing ring is convenient to mount;

the installation holes are arranged, so that the inner ring and the outer gear ring can be conveniently installed with other devices by utilizing the installation holes;

by arranging the sealing ring, the sealing performance between the outer gear ring and the inner ring is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front partial sectional view of the partial structure of the present invention;

fig. 3 is a side view of a tooth of the present invention;

fig. 4 is a first top cross-sectional view of the local inner ring and the local outer ring gear of the present invention;

fig. 5 is a second top sectional view of the local inner ring and the local outer ring gear of the present invention.

In the figure: 1 inner ring, 2 outer gear rings, 3 teeth, 4 grooves, 5 sealing rings, 6 balls, 7 second annular grooves and 8 first annular grooves.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides an inner circle 1, outer ring gear 2, tooth 3, recess 4, sealing washer 5, ball 6, second annular groove 7 and parts such as first ring channel 8 are general standard or the part that technical staff in the field knows, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical staff in the field.

Referring to fig. 1-5, the anti-breaking tooth type slewing bearing comprises an inner ring 1, wherein an outer gear ring 2 is movably sleeved on the outer surface of the inner ring 1, first annular grooves 8 are respectively formed in the inner cavity of the outer gear ring 2 and the outer surface of the inner ring 1, balls 6 are movably connected with the inner cavities of the two groups of first annular grooves 8, second annular grooves 7 are respectively formed in the inner cavity of the outer gear ring 2 and the outer surface of the inner ring 1, a sealing ring 5 is fixedly connected to the inner cavity of each second annular groove 7, teeth 3 are fixedly connected to the outer surface of the outer gear ring 2, and grooves 4 are formed in the;

the teeth 3 and the outer gear ring 2 are integrally formed, the number of the teeth 3 is a plurality, and the number of the grooves 4 is a plurality;

the number of the balls 6 is a plurality, and one side of each group of the sealing rings 5, which is far away from the inner wall of the second annular groove 7, is respectively contacted with the inner ring 1 and the outer gear ring 2;

mounting holes are formed in the front sides of the inner ring 1 and the outer gear ring 2, and the number of the mounting holes is a plurality;

during the use, this slewing bearing assembly back that finishes, in the in-process of using, behind the recess 4 on 3 surfaces of tooth contacted lubricating oil, some lubricating oil of portability for more lubrication between the tooth 3 of mutual contact, after the lubricating oil trickling in recess 4, the inner wall of recess 4 also can contact with the air, and after the area increase with the air contact, also can accelerate the radiating efficiency of tooth 3, avoid appearing tooth 3 and appear thermal wear, thereby arouse the phenomenon of disconnected tooth.

In summary, the following steps: this prevent disconnected tooth-like slewing bearing uses through the cooperation that sets up inner circle 1, outer ring gear 2, tooth 3, recess 4, sealing washer 5, ball 6, second annular groove 7 and first ring channel 8, has solved current slewing bearing and has easily caused the phenomenon of disconnected tooth because the tooth is overheated, has shortened slewing bearing life's problem.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Prevent disconnected tooth-like slewing bearing, including inner circle (1), its characterized in that: the outer surface movable sleeve of inner circle (1) is equipped with outer ring gear (2), first ring channel (8) have all been seted up with the surface of inner circle (1) to the inner chamber of outer ring gear (2), and the inner chamber swing joint of two sets of first ring channels (8) has ball (6), second ring channel (7) have all been seted up with the surface of inner circle (1) to the inner chamber of outer ring gear (2), the inner chamber fixedly connected with sealing washer (5) of second ring channel (7), the outer fixed surface of outer ring gear (2) is connected with tooth (3), the surface of tooth (3) is seted up flutedly (4).

2. The anti-snag tooth slewing bearing according to claim 1, characterized in that: tooth (3) and outer ring gear (2) are integrated into one piece, the quantity of tooth (3) is a plurality of, the quantity of recess (4) is a plurality of.

3. The anti-snag tooth slewing bearing according to claim 1, characterized in that: the quantity of ball (6) is a plurality of, and one side that second ring channel (7) inner wall was kept away from in two sets of sealing washer (5) contacts with inner circle (1) and outer ring gear (2) respectively.

4. The anti-snag tooth slewing bearing according to claim 1, characterized in that: the front sides of the inner ring (1) and the outer gear ring (2) are provided with mounting holes, and the number of the mounting holes is a plurality.