Combined slewing bearing

Abstract

The utility model discloses a combined slewing bearing which comprises an inner ring, an outer ring and a supporting ring, an outer lubricating circular groove is formed in the outer wall of the inner ring, a tooth groove is formed in the inner wall of the inner ring, an inner lubricating circular groove is formed in the inner wall of the outer ring, and the supporting ring is arranged between the inner lubricating circular groove and the outer lubricating circular groove. According to the bearing, the inner ring is matched with the outer ring, the supporting ring is clamped between the inner lubricating circular groove and the outer lubricating circular groove, the first reinforcing ring layer keeps the overall strength of the inner ring, and the second reinforcing ring layer keeps the overall strength of the inner ring; the supporting ring serves as an internal supporting sliding mechanism, an adaptive sliding layer is covered outside, the structural strength is high, and unified replacement and maintenance are convenient after abrasion.

Description

Technical Field

[0001] This utility model relates to the field of slewing bearing technology, specifically a combined slewing bearing. Background Technology

[0002] Slewing bearings, also known as rotary bearings, are large bearings capable of simultaneously withstanding large axial loads, radial loads, and overturning moments. They are mainly used in truck cranes, railway cranes, port cranes, metallurgical cranes, and revolving restaurants, among other applications.

[0003] Existing slewing bearings consist of an inner and outer ring with balls rolling between them. Adjacent balls are isolated, making replacement inconvenient after wear. To address this, this application designs a combined slewing bearing that uses a support ring as the internal support sliding mechanism, covered externally by an adaptable sliding layer. This design offers high structural strength and facilitates convenient and unified replacement and maintenance after wear. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] In view of the problems existing in the use of the above and / or combined slewing bearings, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a combined slewing bearing, in which the inner ring and the outer ring cooperate to insert the support ring between the inner lubrication groove and the outer lubrication groove. The first reinforcing ring layer maintains the overall strength of the inner ring, and the outer ring maintains the overall strength of the inner ring through the second reinforcing ring layer. The support ring serves as an internal support sliding mechanism, and is covered with an adaptable sliding layer on the outside. It has high structural strength and is easy to replace and maintain uniformly after wear.

[0007] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0008] A combined slewing bearing, comprising:

[0009] The inner ring has an outer lubrication groove on its outer wall and a toothed groove on its inner wall.

[0010] The outer ring has an inner lubrication groove on its inner wall;

[0011] A support ring is provided between the inner lubrication groove and the outer lubrication groove, and an oil injection gap is reserved between the inner lubrication groove and the outer lubrication groove.

[0012] In a preferred embodiment of the combined slewing bearing described in this utility model, a first reinforcing ring is provided on the top of the inner ring, and the first reinforcing ring is fixedly connected to the inner ring.

[0013] In a preferred embodiment of the combined slewing bearing described in this utility model, the inner ring has an inner mounting hole on its side wall, which penetrates the first reinforcing ring layer.

[0014] In a preferred embodiment of the combined slewing bearing described in this utility model, a second reinforcing ring is provided at the bottom of the outer ring, and the second reinforcing ring is fixedly connected to the outer ring.

[0015] In a preferred embodiment of the combined slewing bearing described in this utility model, the outer ring has an external mounting hole on its side wall, the external mounting hole penetrating the second reinforcing ring layer, and the bottom of the outer ring has a shaped hole communicating with the external mounting hole.

[0016] In a preferred embodiment of the combined slewing bearing described in this utility model, the support ring is a combined structure, the outer wall of the support ring is provided with an adapting sliding layer, and wedges are provided between the adapting sliding layers.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This combined slewing bearing, through the cooperation of the inner ring and the outer ring, the support ring is inserted between the inner lubrication groove and the outer lubrication groove. The first reinforcing ring layer maintains the overall strength of the inner ring, and the outer ring maintains the overall strength of the inner ring through the second reinforcing ring layer. The support ring serves as an internal support sliding mechanism, and is covered with an adaptable sliding layer on the outside. It has high structural strength and is convenient for unified replacement and maintenance after wear. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a combined slewing bearing according to the present invention;

[0020] Figure 2 This is a schematic diagram of the explosive portion structure of a combined slewing bearing according to this utility model;

[0021] Figure 3 This is a cross-sectional structural diagram of a combined slewing bearing according to the present invention.

[0022] Figure 4 This is a schematic diagram of the support ring structure of a combined slewing bearing according to this utility model.

[0023] 100. Inner ring; 101. Outer lubrication groove; 102. Inner mounting hole; 110. First reinforcing ring layer; 200. Outer ring; 201. Inner lubrication groove; 202. Outer mounting hole; 203. Irregular hole; 204. Oil filling gap; 210. Second reinforcing ring layer; 220. Gear groove; 300. Support ring; 310. Adaptive sliding layer; 311. Wedge. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure will not be enlarged to scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0027] This utility model provides a combined slewing bearing. Through the cooperation of the inner ring and the outer ring, the support ring is inserted between the inner lubrication groove and the outer lubrication groove. The first reinforcing ring layer maintains the overall strength of the inner ring, and the outer ring maintains the overall strength of the inner ring through the second reinforcing ring layer. The support ring serves as an internal support sliding mechanism, and is covered with an adaptable sliding layer on the outside. It has high structural strength and is easy to replace and maintain uniformly after wear.

[0028] Figures 1-4 The diagram shown is a structural schematic of one embodiment of a combined slewing bearing according to this utility model. Please refer to [link / reference]. Figures 1-4 The main body of this embodiment of a combined slewing bearing includes an inner ring 100, an outer ring 200, and a support ring 300.

[0029] The inner ring 100 and the outer ring 200 cooperate to insert the support ring 300 between the inner lubrication groove 201 and the outer lubrication groove 101. The first reinforcing ring layer 110 maintains the overall strength of the inner ring 100. Specifically, the outer wall of the inner ring 100 is provided with the outer lubrication groove 101, and the inner wall of the inner ring 100 is provided with the toothed groove 220. In this embodiment, the top of the inner ring 100 is provided with the first reinforcing ring layer 110, and the first reinforcing ring layer 110 is fixedly connected to the inner ring 100. The side wall of the inner ring 100 is provided with the inner mounting hole 102, and the inner mounting hole 102 penetrates the first reinforcing ring layer 110.

[0030] The outer ring 200 maintains the overall strength of the inner ring 100 through the second reinforcing ring layer 210. Specifically, the inner wall of the outer ring 200 is provided with an inner lubrication groove 201. In this embodiment, the bottom of the outer ring 200 is provided with a second reinforcing ring layer 210, which is fixedly connected to the outer ring 200. The side wall of the outer ring 200 is provided with an external mounting hole 202, which penetrates the second reinforcing ring layer 210. The bottom of the outer ring 200 is provided with a special-shaped hole 203 that communicates with the external mounting hole 202.

[0031] The support ring 300 serves as an internal support sliding mechanism, with an externally covered adaptive sliding layer 310. It has high structural strength and is easy to replace and maintain after wear. Specifically, the support ring 300 is located between the inner lubrication groove 201 and the outer lubrication groove 101. An oil injection gap 204 is reserved between the inner lubrication groove 201 and the outer lubrication groove 101. In this embodiment, the support ring 300 is a combined structure. The outer wall of the support ring 300 is provided with an adaptive sliding layer 310, and wedges 311 are provided between the adaptive sliding layers 310.

[0032] Combination Figures 1-4 The combined slewing bearing of this embodiment is used as follows: the inner ring 100 and the outer ring 200 cooperate to insert the support ring 300 between the inner lubrication groove 201 and the outer lubrication groove 101. The first reinforcing ring layer 110 maintains the overall strength of the inner ring 100. The outer ring 200 maintains the overall strength of the inner ring 100 through the second reinforcing ring layer 210. The support ring 300 serves as an internal support sliding mechanism and is covered with an adaptable sliding layer 310. It has high structural strength and is easy to replace and maintain after wear.

[0033] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A combined slewing bearing, characterized in that, include: The inner ring (100) has an outer lubrication groove (101) on its outer wall and a toothed groove (220) on its inner wall. The outer ring (200) has an inner lubrication groove (201) on its inner wall; A support ring (300) is provided between the inner lubrication groove (201) and the outer lubrication groove (101), and an oil injection gap (204) is reserved between the inner lubrication groove (201) and the outer lubrication groove (101).

2. A combined slewing bearing according to claim 1, characterized in that, The top of the inner ring (100) is provided with a first reinforcing ring (110), which is fixedly connected to the inner ring (100).

3. A combined slewing bearing according to claim 2, characterized in that, The inner ring (100) has an inner mounting hole (102) on its side wall, which penetrates the first reinforcing ring (110).

4. A combined slewing bearing according to claim 3, characterized in that, The bottom of the outer ring (200) is provided with a second reinforcing ring (210), and the second reinforcing ring (210) is fixedly connected to the outer ring (200).

5. A combined slewing bearing according to claim 4, characterized in that, The outer ring (200) has an external mounting hole (202) on its side wall, which penetrates the second reinforcing ring (210). The bottom of the outer ring (200) has a shaped hole (203) that communicates with the external mounting hole (202).

6. A combined slewing bearing according to claim 5, characterized in that, The support ring (300) is a combined structure. The outer wall of the support ring (300) is provided with an adapter sliding layer (310), and wedges (311) are provided between the adapter sliding layers (310).

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