CN217633481U - Bidirectional asymmetric locking spacer ring for turntable bearing - Google Patents

Abstract

The utility model belongs to the technical field of the carousel bearing, concretely relates to carousel bearing is with two-way asymmetric locking isolating ring, including the hole roof beam of upper portion ring beam, lower part ring beam and a plurality of connection upper portion ring beam, lower part ring beam, adjacent hole roof beam encloses into the pocket hole of placing the rolling element with upper portion ring beam, lower part ring beam, its characterized in that: the two side walls of the hole beams for forming the pocket respectively comprise a locking opening arranged on a plane and a pocket arranged obliquely with the locking opening, and the locking opening and the pocket on the two side walls of each hole beam are opposite in position; the protruding amount of the rolling body relative to the inner diameter surface and the outer diameter surface of the isolating ring has a difference of no more than 10%. The utility model discloses under the certain prerequisite of retainer radial thickness, through the adjustment fore shaft degree of depth, ensure that rolling element relative spacer ring internal diameter face, external diameter face protrusion volume are roughly equal to control the radial not drunkenness of spacer ring.

Description

Bidirectional asymmetric locking spacer ring for turntable bearing

Technical Field

The utility model belongs to the technical field of the carousel bearing, concretely relates to carousel bearing is with two-way asymmetric locking spacer ring.

Background

The turntable bearing can simultaneously bear the combined action of radial, axial and overturning loads, and is widely applied to the fields of engineering machinery, military machinery, hoisting machinery, transportation machinery, material processing machinery, metallurgical machinery, food machinery and the like. Compared with a common rolling bearing, the rolling bearing is generally large in size and has outstanding capacity in overturning bearing capacity. The retainer has the structural forms of an isolation block, an integral retainer, an isolation ring and the like.

Typically, cages for axial rollers are in the form of cage rings. The conventional isolating ring adopts a symmetrical structure, namely adjacent pockets are arranged in a staggered mode, the protruding amount of the rolling body relative to the inner diameter surface or the outer diameter surface is equal, and at the moment, the width center of the retainer is coincided with the rotation center of the rolling body.

When the width center line of the isolating ring is not coincident with the revolution center line of the rolling body, the symmetrical structure loses the function of locking the rolling body, and the isolating ring possibly interferes with other components.

Disclosure of Invention

According to the defect that above-mentioned prior art exists, the utility model aims at providing a novel two-way asymmetric locking structure for carousel bearing isolating ring improves original structure, makes the two-way locking of rolling element, guarantees that the isolating ring is radial not drunkenness.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a two-way asymmetric locking isolating ring for slewing bearing, includes the hole roof beam that upper portion ring beam, lower part ring beam and a plurality of connected upper portion ring beam, lower part ring beam, and adjacent hole roof beam encloses the pocket hole that becomes to place the rolling element with upper portion ring beam, lower part ring beam, its characterized in that: the two side walls of the hole beam for forming the pocket respectively comprise a locking notch arranged on the plane and a pocket arranged obliquely with the locking notch, and the locking notch and the pocket on the two side walls of each hole beam are opposite in position; the protruding amount of the rolling body relative to the inner diameter surface and the outer diameter surface of the isolating ring has a difference of no more than 10%.

Furthermore, an overtravel groove is formed between the locking notch arranged on the plane and the pocket arranged on the cambered surface.

Further, grease is stored in the overtravel groove.

Further, the angle formed by the two inlets oppositely arranged in each pocket hole is between 30 degrees and 50 degrees.

Further, the rolling bodies are tangential to the pockets.

Furthermore, two locking notches oppositely arranged in each pocket hole are arranged in parallel.

Furthermore, the locking openings of the two hole beam side walls oppositely arranged in each pocket hole correspond to the positions of the pocket openings.

The beneficial effects of the utility model are that: the utility model discloses under the certain prerequisite of radial thickness of retainer, through the adjustment fore shaft degree of depth, ensure that relative spacer ring internal diameter face of rolling element, external diameter face protrusion volume are roughly equal to control the radial not drunkenness of spacer ring.

Drawings

FIG. 1 is a schematic view of an isolator ring structure;

FIG. 2 is a sectional view taken along line B-B of FIG. 1;

in the figure: 1. the locking notch comprises a locking notch body 2, a pocket opening 3, an overtravel groove 4, a hole beam 5, a pocket hole, the protruding amount of the A and A1 rolling bodies to the isolating ring, the width of the B and isolating rings, the depth of the C and C1 locking notch body and the diameter of the D1 isolating ring pocket hole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to the attached figures 1-2, the bidirectional asymmetric locking isolating ring for the turntable bearing comprises an upper ring beam, a lower ring beam and a plurality of hole beams connected with the upper ring beam and the lower ring beam, wherein adjacent hole beams, the upper ring beam and the lower ring beam enclose a pocket for placing a rolling body, and the bidirectional asymmetric locking isolating ring is characterized in that: the two side walls of the hole beams for forming the pocket both comprise a locking opening arranged on a plane and a pocket arranged obliquely with the locking opening, the positions of the locking opening and the pocket on the two side walls of each hole beam are opposite, and the positions of the locking opening and the pocket on the two side walls of the hole beams oppositely arranged in each pocket correspond to each other; the protruding amount of the rolling body relative to the inner diameter surface and the outer diameter surface of the isolating ring has a difference of no more than 10%.

Based on above-mentioned technical scheme, it should be explained that, two fore-shaft and the pocket position that every pocket was downthehole relative set up are unanimous, and the fore-shaft and the pocket position of two adjacent pockets are opposite, and the contact point with the pocket is the interval change during rolling element assembly, plays the effect of two-way rolling element. When the width center line of the isolating ring is not coincident with the rotation center line of the rolling body, namely the asymmetric isolating ring, the protrusion amount of the rolling body relative to the inner diameter surface and the outer diameter surface of the isolating ring is approximately equal (A is approximately equal to A1) by adjusting the depth C and C1 of the locking notch, so that the isolating ring is prevented from having large displacement inwards or outwards, namely the isolating ring is controlled not to move radially. In the actual processing process, the difference between the convex amounts of the two sides is generally ensured to be not more than 10%, namely the convex amount of one side is not more than 10% relative to the convex amount of the other side, for example, the convex amount of the inner side is 1mm, and the convex amount of the other side is 0.9 to 1.1mm. The protruding amount is controlled, on one hand, the radial displacement of the retainer is controlled, and on the other hand, the distance between the retainer and the inner ring flange and the distance between the retainer and the outer ring flange are controlled to avoid interference. If there is the flange restraint, because keep apart the environmental protection holder and all be the roller guide, will control its and the distance of flange, consequently will control the protrusion volume that is close to flange one side and be little, avoid interfering, so compare in the isolating ring of symmetry, the range of application of asymmetric isolating ring is wider, consequently the utility model discloses improve asymmetric isolating ring, make the two-way locking of rolling element, guarantee that the isolating ring is radial not the drunkenness.

Furthermore, an overtravel groove is formed between the locking notch arranged on the plane and the pocket arranged on the cambered surface. And lubricating grease is stored in the overtravel groove. An overtravel groove is added at the junction of the locking port and the alpha-angle pocket, so that the oil inlet amount is increased, the lubrication between the rolling body and the isolating ring is better, and the friction is smaller.

Further, the angle formed by the two inlets oppositely arranged in each pocket hole is between 30 degrees and 50 degrees, and is adjusted according to the size of the ball, and is usually 40 degrees.

Further, the rolling bodies are tangent to the pockets. Two locking notches which are oppositely arranged in each pocket hole are arranged in parallel, so that balls can be conveniently loaded.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The foregoing lists preferred embodiments of the invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims (7)

1. The utility model provides a two-way asymmetric locking isolating ring for slewing bearing, includes the hole roof beam that upper portion ring beam, lower part ring beam and a plurality of connected upper portion ring beam, lower part ring beam, and adjacent hole roof beam encloses the pocket hole that becomes to place the rolling element with upper portion ring beam, lower part ring beam, its characterized in that: the two side walls of the hole beam for forming the pocket respectively comprise a locking notch arranged on the plane and a pocket arranged obliquely with the locking notch, and the locking notch and the pocket on the two side walls of each hole beam are opposite in position; the protruding amount of the rolling body relative to the inner diameter surface and the outer diameter surface of the isolating ring has a difference of no more than 10%.

2. The bi-directional asymmetric locking spacer ring for a slewing bearing as claimed in claim 1, wherein: an overtravel groove is arranged between the locking notch arranged on the plane and the pocket arranged on the cambered surface.

3. The bi-directional asymmetric locking spacer ring for a slewing bearing as claimed in claim 2, wherein: and lubricating grease is stored in the overtravel groove.

4. The bi-directional asymmetric locking spacer ring for a slewing bearing as claimed in claim 1, wherein: the angle formed by the two inlets oppositely arranged in each pocket hole is between 30 degrees and 50 degrees.

5. The bi-directional asymmetric locking spacer ring for a slewing bearing as claimed in claim 1, wherein: the rolling bodies are tangent to the pockets.

6. The bi-directional asymmetric locking spacer ring for a slewing bearing as claimed in claim 1, wherein: two locking notches which are oppositely arranged in each pocket hole are arranged in parallel.

7. The bi-directional asymmetric locking spacer ring for a slewing bearing as claimed in claim 1, wherein: the locking openings of the two hole beam side walls oppositely arranged in each pocket hole correspond to the positions of the pocket openings.

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