CN214146272U - Slewing bearing - Google Patents

Abstract

The utility model discloses a slewing bearing, which comprises an outer ring, be equipped with the inner circle in the outer lane, be equipped with the inner circle groove in the outer lane, inner circle groove below is equipped with the inner circle and inlays the groove, the inner circle is installed in the inner circle and is inlayed the inslot, still be equipped with the tank filler sleeve on the outer circle, be equipped with the check valve in the tank filler sleeve, the outer lane surface still is equipped with the outer lane mounting hole that axial array distributes, be equipped with ball circle and lower ball circle in the outer lane, circle the inner circle mounting hole that is equipped with array distribution in, be equipped with the ball circle on the inner circle mounting hole, the ball circle top is equipped with first ball groove, ball circle below is equipped with second ball groove, first ball groove is equipped with first. The utility model provides high slewing bearing's axial bearing capacity has improved slewing bearing's life, and the lubricating oil of being convenient for adds is favorable to the lubrication of ball, has reduced wearing and tearing, is favorable to reducing the risk of supporting fracture, adds lubricating oil, and lubricating oil is difficult for running out, has reduced the maintenance cost of equipment.

Description

Slewing bearing

Technical Field

The utility model relates to a slewing bearing field specifically is a slewing bearing.

Background

Slewing bearing is the novel mechanical parts that has gradually emerged in the world in the last forty years, and it has inner and outer lane, rolling element etc. to constitute, and slewing bearing is the large-scale bearing that can bear the combined load, can bear great axial, radial load and overturning moment simultaneously, and slewing bearing is called the slewing bearing again, and someone also calls it to be: the rotary bearing and the swivel bearing are widely applied in the real industry and are called as follows: the rotary bearing is widely applied to the industries of ship equipment, engineering machinery, light-duty machinery, metallurgical machinery, medical machinery, industrial machinery and the like along with the rapid development of the mechanical industry, the rotary drive is generally composed of a worm, a rotary bearing, a shell, a motor and the like, and the core component adopts the rotary bearing, so the rotary bearing can simultaneously bear the axial force, the radial force and the tipping moment, the rotary drive has a plurality of forms, but the structural components are basically the same and different, the bearing capacity of the common single-row rotary bearing is small, the existing rotary bearing is not convenient for lubricating oil lubrication, and the rotary bearing is provided aiming at the condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slewing bearing improves slewing bearing's axial bearing capacity, has improved slewing bearing's life, and the lubricating oil of being convenient for adds is favorable to the lubrication of ball, has reduced wearing and tearing, is favorable to reducing the risk of bearing fracture, and lubricating oil adds, and lubricating oil is difficult for running out, has reduced the maintenance cost of equipment.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a slewing bearing, includes the outer lane, be equipped with the inner circle in the outer lane, be equipped with the inner circle groove in the outer lane, inner circle groove below is equipped with the inner circle and inlays the groove, and the inner circle is installed in the inner circle and is inlayed the inslot, still is equipped with the tank filler sleeve on the outer lane, and the tank filler sleeve setting runs through the outer lane on the surface of outer lane, is equipped with the check valve in the tank filler sleeve, and the outer lane surface still is equipped with the outer lane mounting hole that axial array distributes, the utility model discloses reduce wearing and tearing, be favorable to reducing the risk of bearing fracture, add lubricating oil, lubricating oil is difficult for running out, has reduced the maintenance cost of equipment.

Furthermore, an upper ball ring and a lower ball ring are arranged in the outer ring, and a separation belt is arranged between the upper ball ring and the lower ball ring.

Furthermore, threads are arranged in the outer ring mounting hole.

Furthermore, the inner ring is provided with inner ring mounting holes distributed in an array manner, the inner ring mounting holes are provided with ball rings, first ball grooves are formed in the upper portions of the ball rings, second ball grooves are formed in the lower portions of the ball rings, and first balls and second balls are arranged in the first ball grooves and the second ball grooves respectively.

Further, the first ball is larger in diameter than the second ball.

The utility model has the advantages that:

1. the utility model improves the axial bearing capacity of the slewing bearing, prolongs the service life of the slewing bearing, is convenient for adding lubricating oil and is beneficial to the lubrication of the ball;

2. the utility model discloses reduce wearing and tearing, be favorable to reducing the risk of bearing fracture, add lubricating oil, lubricating oil is difficult for running out, has reduced the maintenance cost of equipment.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a double row type slewing bearing of the present invention;

FIG. 2 is a schematic structural view of a double row type slewing bearing of the present invention;

FIG. 3 is a sectional view of the outer ring structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

The ball valve comprises an outer ring 1, an inner ring 2, an inner ring groove 11, a spacer belt 12, an upper ball ring 13, a lower ball ring 14, an outer ring mounting hole 15, an oil filling hole 16, a one-way valve 17, an inner ring embedding groove 18, a ball ring 22, a first ball groove 23, a second ball groove 24, first balls 25 and second balls 26.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements 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 utility model provides a slewing bearing, includes outer lane 1, as shown in fig. 1, fig. 2, fig. 3, be equipped with inner circle 2 in the outer lane 1, be equipped with inner circle groove 11 in the outer lane 1, inner circle groove 11 below is equipped with inner circle and inlays groove 18, inner circle 2 is installed in inner circle and inlays groove 18, still is equipped with tank filler sleeve 16 on the outer lane 1, tank filler sleeve 16 sets up on the surface of outer lane 1, runs through outer lane 1, is equipped with check valve 17 in the tank filler sleeve 16, the outer lane mounting hole 15 that the axial array distributes still is equipped with on the surface of outer.

An upper ball ring 13 and a lower ball ring 14 are arranged in the outer ring 1, as shown in fig. 1, 2 and 3, a separation belt 12 is arranged between the upper ball ring 13 and the lower ball ring 14, and a thread is arranged in an outer ring mounting hole 15.

The inner ring 2 is provided with inner ring mounting holes 21 distributed in an array, as shown in fig. 1 and 2, the inner ring mounting holes 21 are provided with ball rings 22, first ball grooves 23 are provided above the ball rings 22, second ball grooves 24 are provided below the ball rings 22, first balls 25 and second balls 26 are respectively provided in the first ball grooves 23 and the second ball grooves 24, and the diameters of the first balls 25 are larger than the diameters of the second balls 26.

During the use, install this device in the place that needs the installation, utilize lubricating oil in the pressure nozzle stretches into tank filler hole 16, exert oneself and extrude check valve 17, add lubricating oil in last ball circle 13 and lower ball circle 14, first ball 25 lubricates with second ball 26, the utility model provides high slewing bearing's axial bearing capacity has improved slewing bearing's life, is convenient for add lubricating oil, is favorable to the lubrication of ball.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (5)

1. The utility model provides a slewing bearing, includes outer lane (1), its characterized in that, be equipped with inner circle (2) in outer lane (1), be equipped with inner circle groove (11) in outer lane (1), inner circle groove (11) below is equipped with inner circle and inlays groove (18), inner circle (2) are installed in inner circle and are inlayed groove (18), still are equipped with tank filler sleeve (16) on outer lane (1), tank filler sleeve (16) set up on the surface of outer lane (1), run through outer lane (1), be equipped with check valve (17) in tank filler sleeve (16), outer lane (1) surface still is equipped with outer lane mounting hole (15) that axial array distributes.

2. A slewing bearing according to claim 1, characterized in that an upper ball ring (13) and a lower ball ring (14) are arranged in the outer ring (1), and a separation belt (12) is arranged between the upper ball ring (13) and the lower ball ring (14).

3. A slewing bearing according to claim 1, characterized in that the outer ring mounting hole (15) is threaded.

4. A slewing bearing according to claim 1, wherein the inner ring (2) is provided with inner ring mounting holes (21) distributed in an array, the inner ring mounting holes (21) are provided with ball rings (22), a first ball groove (23) is arranged above the ball rings (22), a second ball groove (24) is arranged below the ball rings (22), and first balls (25) and second balls (26) are respectively arranged in the first ball groove (23) and the second ball groove (24).

5. A slewing bearing according to claim 4, characterized in that the first balls (25) are larger in diameter than the second balls (26).

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