CN218088694U

CN218088694U - Slewing bearing and slewing assembly

Info

Publication number: CN218088694U
Application number: CN202222449381.4U
Authority: CN
Inventors: 李桂芳; 钱建军
Original assignee: Zoomlion Construction Crane Co Ltd
Current assignee: Zoomlion Construction Crane Co Ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2022-12-20
Anticipated expiration: 2032-09-15

Abstract

The utility model relates to a tower machine slewing bearing field discloses a slewing bearing and gyration assembly, and this slewing bearing includes two at least support components of a whole that can function independently structures, first locating component, first fastening coupling assembling, second locating component and second fastening coupling assembling, each the support components of a whole that can function independently structure encircles the concatenation and forms slewing bearing, support components of a whole that can function independently structure is including components of a whole that can function independently apron and components of a whole that can function independently drum, the terminal surface is provided with respectively about the components of a whole that can function independently drum the components of a whole that can function independently apron, it is adjacent junction between the components of a whole that can function independently apron passes through first locating component location is in order to guarantee first fastening coupling assembling's installation accuracy, it is adjacent junction between the components of a whole that can function independently drum passes through second locating component location, in order to guarantee second fastening coupling assembling's installation accuracy. The utility model discloses a slewing bearing adopts split type structure of assembling, under the prerequisite of guaranteeing use intensity, can reduce the transportation size.

Description

Slewing bearing and slewing assembly

Technical Field

The utility model relates to a tower machine support structure specifically, relates to a pivoting support. The invention also relates to a slewing assembly with the slewing bearing.

Background

The tower crane is the most common hoisting equipment for vertical transportation and horizontal transportation, adopts lattice truss type assembling and splicing assembly in the whole structure, has light and handy structure, simple and convenient assembly and disassembly operation, convenient movement and strong adaptability, is widely applied to industries such as buildings, hydropower, shipbuilding and the like, and is an important construction machine in modern industry and civil building engineering.

Due to the nature and the operating nature of the tower crane, the tower crane must have high installation, disassembly and use requirements. The tower crane adopts the slewing bearing to connect the upper part and the lower part, so that the relative motion can be realized while the load transmission is realized, the slewing bearing part is generally of an integral annular structure and is connected with the upper slewing bearing and the lower slewing bearing of the tower crane by adopting bolts, but the size of the slewing bearing of the ultra-large tower crane is quite large and far exceeds the limit of road transportation size, so that the size of the slewing bearing of the tower crane is also quite large, and in the working process of the tower crane, along with the rotation of the tower crane, one circle of the slewing bearing can be subjected to tension or pressure. Due to the special stress, the rotary support is generally integrally welded by plates, and the whole rotary support cannot be detached after welding. The size of a slewing bearing of an ultra-large tower crane is generally an overrun piece, so that the size of the slewing bearing can greatly exceed the transportation size, and inconvenience is brought to transportation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a pivoting support is provided, this pivoting support adopts split type structure of assembling, under the prerequisite of guaranteeing use intensity, can reduce the transportation size.

The utility model discloses the technical problem who still remains to solve provides a gyration assembly, and this gyration assembly's pivoting support adopts split type structure of assembling, under the prerequisite of guaranteeing use intensity, can reduce the transportation size.

In order to solve the technical problem, the utility model provides an aspect provides a slewing bearing, including two at least support components of a whole that can function independently structures, first locating component, first fastening coupling assembling, second locating component and second fastening coupling assembling, each the support components of a whole that can function independently structure encircles the concatenation and forms slewing bearing, support components of a whole that can function independently structure is including components of a whole that can function independently apron and components of a whole that can function independently drum, the terminal surface is provided with respectively on the components of a whole that can function independently drum the components of a whole that can function independently apron, it is adjacent junction between the components of a whole that can function independently apron passes through first locating component location is adjacent junction between the components of a whole that can function independently drum passes through second locating component location, in order to guarantee second fastening coupling assembling's installation accuracy.

Optionally, the first positioning assembly includes a positioning pin seat and a first positioning pin, the positioning pin seat includes a positioning plate and a first positioning pin shaft installed on the positioning plate, the first positioning pin shaft penetrates through a joint between adjacent split cover plates, and the first positioning pin shaft is connected to the first positioning pin installed on a side surface of the split cover plate.

Specifically, the side surface of the split cover plate is provided with a cover plate opening matched with the first positioning pin hole.

Specifically, first fastening coupling assembling includes high strength bolt, high strength bolt install mounting hole on the locating plate with corresponding mounting hole on the components of a whole that can function independently apron.

Optionally, the second positioning assembly includes a second positioning pin and a second positioning pin, the second positioning pin penetrates through a joint between adjacent split cylinders, and a shaft section of the second positioning pin extending out of the split cylinders is connected to the second positioning pin.

Optionally, second fastening coupling assembling includes first flitch and second flitch, first flitch and second flitch paste and lean on respectively in adjacent the inside and outside both sides of junction between the components of a whole that can function independently drum, all be provided with corresponding mounting hole on first flitch and the second flitch, first flitch with the second flitch passes through high strength bolt and corresponds mounting hole fastening connection.

Further, second fastening coupling assembling still includes third flitch and fourth flitch, the third flitch paste in first flitch, the fourth flitch paste in the second flitch, all be provided with corresponding mounting hole on third flitch and the fourth flitch, the third flitch with the fourth flitch passes through the high strength bolt passes correspondingly mounting hole fastening connection.

Further, the curvatures of the first patch and the second patch are the same as the curvature of the joint between the adjacent split cylinders.

Further optionally, the curvature of the junction between adjacent split cylinders is 0.

The utility model discloses another aspect provides a gyration assembly, be provided with any one of above-mentioned technical scheme slewing bearing.

Through the technical scheme, the beneficial effects of the utility model are as follows:

the utility model discloses split the body structure of a plurality of support with slewing bearing, the junction between adjacent support body structure of dividing fixes a position through locating component, then reuses fastening connection subassembly and connects fixedly, advances to advance to fix a position, can effectively guarantee fastening connection's assembly precision. Specifically, a first positioning component is adopted to position the joint between the split cover plates of the support split structure, and then the first fastening and connecting component is used for connecting and fixing; and the joint between the split cylinders of the support split structure is positioned by adopting a second positioning assembly and then is fixedly connected by a second fastening and connecting assembly. On the premise of ensuring the use strength, the transportation size can be reduced.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is one of the schematic structural views of a pivoting support in a first embodiment of the present invention;

fig. 2 is a second schematic structural view of the pivoting support according to the first embodiment of the present invention;

fig. 3 is one of the schematic structural views of a pivoting support in a second embodiment of the present invention;

fig. 4 is a second schematic structural view of a pivoting support according to a second embodiment of the present invention.

Description of the reference numerals

11 positioning plate 12 first positioning pin shaft

2 cover plate open hole 31 second positioning pin shaft

32 second positioning pin 4 first flitch

5 second flitch 6 third flitch

7 fourth flitch 81 upper cover plate

82 lower cover 83 cylinder

84 cylinder perforated 85 reinforcing plate

86 slewing mechanism bearing plate 87 first main limb

88 second main limb 89 flange plate

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the terms "first," "second," "third," "fourth," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated, therefore, features defined as "first," "second," "third," "fourth," etc. may explicitly or implicitly include one or more of the described features.

In the description of the present invention, it should be understood that the orientation term is based on the orientation of the pivoting support, and for the convenience of description and simplification of the description, the term "up and down" refers to the up and down direction of the pivoting support in the use state, and the term "inside and outside" refers to the inside and outside direction of the pivoting support itself, for example, referring to fig. 2, the first attachment plate 4 is located inside the cylinder 83, and the second attachment plate 5 is located outside the cylinder 83; the orientations and positional relationships shown in the drawings are merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the utility model provides a pivoting support, including at least two support components of a whole that can function independently structures, first locating component, first fastening coupling assembling, second locating component and second fastening coupling assembling, each support components of a whole that can function independently structure can encircle the concatenation and form pivoting support, support components of a whole that can function independently structure includes components of a whole that can function independently apron and components of a whole that can function independently drum, the up end of components of a whole that can function independently drum is provided with the components of a whole that can function independently apron and the lower terminal surface of components of a whole that can function independently drum also is provided with the components of a whole that can function independently apron, pass first locating component through the junction between the adjacent components of a whole that can function independently apron and fix a position adjacent components of a whole that can function independently apron, pass first fastening coupling assembling through the junction between the adjacent components of a whole that can function independently apron and fasten and connect, adopt first locating component of a fixing, can guarantee the mounting hole of the junction between the adjacent components of a whole that can function independently apron, namely, the installation accuracy has been guaranteed; the second positioning assembly penetrates through the joint between the adjacent split cylinders to position the adjacent split cylinders, the second fastening and connecting assembly penetrates through the joint between the adjacent split cylinders to fasten the adjacent split cylinders, the second positioning assembly is used for positioning, the second fastening and connecting assembly can be guaranteed to align the mounting holes in the joint between the adjacent split cylinders, and accordingly mounting accuracy is guaranteed.

The rotary support is divided into a plurality of support split structures, so that the transportation size is convenient to reduce. After assembly, the split cylinders are circumferentially assembled to form a cylinder 83, the split cover plates are circumferentially assembled to form cover plates, the upper cover plate 81 is mounted on the upper end face of the cylinder 83, and the lower cover plate 82 is mounted on the lower end face of the cylinder 83. In addition, the first positioning assembly, the first fastening connection assembly, the second positioning assembly, the second fastening connection assembly and the like are adopted to fasten and connect the split structures of the supports, so that the structural strength of the rotary support in use can be ensured. Therefore, the transportation size can be reduced on the premise of ensuring the structural strength of use, and the transportation is convenient.

As a specific structural form of the first positioning assembly, as shown in fig. 1, the first positioning assembly includes a positioning pin seat and a first positioning pin (not shown in the figure), the positioning pin seat includes a positioning plate 11 and a first positioning pin shaft 12, the first positioning pin shaft 12 is mounted on the positioning plate 11, the first positioning pin shaft 12 passes through a connection between adjacent split cover plates, and the first positioning pin passes through a side surface of the split cover plate and extends into a positioning hole on the first positioning pin shaft 12, so as to position the positioning pin seat; therefore, the positioning plate 11 is tightly attached to the joint between the adjacent split cover plates to position the arrangement position between the adjacent split cover plates. Specifically, a cover plate opening 2 is formed in the side face of the split cover plate, and the first positioning pin penetrates through the cover plate opening 2 to be matched with a positioning hole in the first positioning pin shaft 12 through a pin hole.

Further, correspondingly, the first fastening and connecting assembly may be a high-strength bolt, a mounting hole is formed in the positioning plate 11, a corresponding mounting hole is formed in the split cover plate, the adjacent split cover plate is positioned by using the first positioning assembly, the mounting hole in the positioning plate 11 and the corresponding mounting hole in the split cover plate can be accurately aligned, the mounting hole may specifically be a bolt hole, and the high-strength bolt penetrates through the mounting hole in the positioning plate 11 and the corresponding mounting hole in the split cover plate, so that the fastening and connecting of the split cover plate to the joint of the adjacent split cover plate are realized. Furthermore, a positioning plate can be installed on the other surface of the split cover plate opposite to the positioning plate 11, so that the two positioning plates are clamped on two sides of the joint of the connected split cover plates and clamped by high-strength bolts, thereby ensuring the installation accuracy of the joint of the adjacent split cover plates.

The high-strength bolt belongs to a standard part and can bear larger load than a common bolt with the same specification. The high-strength bolt is made of 45# steel, alloy steel or other high-quality materials, and is subjected to heat treatment after being manufactured, so that the strength is improved. High strength bolts are often rated on two strength levels, 8.8 and 10.9, with more than 10.9.

As a specific structural form of the second positioning assembly, as shown in fig. 2, the second positioning assembly includes a second positioning pin 31 and a second positioning pin 32, the second positioning pin 31 passes through a joint between adjacent split cylinders, the second positioning pin 32 passes through a side surface of the split cylinder, and passes through a positioning hole on a shaft section of the second positioning pin 31 extending out of the split cylinder, so as to position an arrangement position between adjacent split cover plates.

Correspondingly, the second fastening and connecting assembly can comprise a first flitch 4 and a second flitch 5, the first flitch 4 is attached to the inner side face of the joint between the adjacent split cylinders, the second flitch 5 is attached to the outer side face of the joint between the adjacent split cylinders, corresponding mounting holes are formed in the first flitch 4 and the second flitch 5, cylinder holes are formed in the two sides of the joint on the split cylinders respectively, specifically, the mounting holes in the first flitch 4 and the second flitch 5 and the cylinder holes in the split cylinders can be bolt holes, and high-strength bolts are adopted to penetrate through the mounting holes in the second flitch 5, the cylinder holes in the split cylinders and the mounting holes in the first flitch 4 to fasten and connect the adjacent split cylinders.

Further, second fastening coupling assembling still includes third flitch 6 and fourth flitch 7, and third flitch 6 pastes and leans on in the medial surface of first flitch 4, and fourth flitch 7 pastes and leans on in the lateral surface of second flitch 5, all is provided with corresponding mounting hole on third flitch 6 and the fourth flitch 7, and the mounting hole on third flitch 6 and the fourth flitch 7 can be the bolt hole. And high-strength bolts are adopted to penetrate through the mounting holes in the fourth flitch 7, the mounting holes in the second flitch 5, the cylinder holes in the split cylinders, the mounting holes in the first flitch 4 and the mounting holes in the third flitch 6, so that the adjacent split cylinders are further fastened and connected.

In order to ensure the mounting accuracy of the joint between the adjacent split cylinders, the curvatures of the inner side surfaces of the joint between the first flitch 4 and the adjacent split cylinder and the curvatures of the outer side surfaces of the joint between the second flitch 5 and the adjacent split cylinder need to be the same. Furthermore, the linear shape of the joint between the adjacent split cylinders can be designed to be linear, that is, the curvature of the joint between the adjacent split cylinders is 0, so that the design can effectively ensure the installation accuracy of the joint between the adjacent split cylinders, and is convenient for the processing of the first flitch 4, the second flitch 5, the third flitch 6 and the fourth flitch 7, that is, the first flitch 4, the second flitch 5, the third flitch 6 and the fourth flitch 7 can be directly processed into a flat plate structure.

It should be noted that fig. 1 and fig. 2 are mainly embodiments of the lower pivoting support, and the embodiments shown in fig. 1 and fig. 2 are described above; the utility model discloses also can use above-mentioned split type method to lower slewing bearing implementation on last slewing bearing, adopt the same split type method to reduce the transportation size to the last slewing bearing that figure 3 and figure 4 show promptly.

Specifically, as for the upper pivoting support, as shown in fig. 3 and 4, the upper pivoting support may also be formed by annularly splicing divided support split structures. The support split structure comprises split cover plates and split cylinders, after assembly, the split cylinders are spliced in a surrounding mode to form cylinders 83, the split cover plates are spliced in a surrounding mode to form cover plates, the upper cover plate 81 is installed on the upper end face of each cylinder 83, and the lower cover plate 82 is installed on the lower end face of each cylinder 83.

For connection and positioning between adjacent split cover plates, referring to fig. 1, the first positioning assembly may also be used to perform positioning first, so that the mounting holes on the positioning plate 11 are aligned with the corresponding mounting holes on the split cover plates accurately, and the mounting holes may be bolt holes, in this way, the first fastening and connecting assembly is used to pass through the mounting holes on the positioning plate 11 and the corresponding mounting holes on the split cover plates, so as to achieve fastening and connecting of the split cover plates to the joints of the adjacent split cover plates, and the first fastening and connecting assembly may be high-strength bolts. Furthermore, a positioning plate can be installed on the other surface of the split cover plate opposite to the positioning plate 11, so that the two positioning plates are clamped on two sides of the joint of the connected split cover plates and clamped through high-strength bolts, and the installation accuracy of the joint of the adjacent split cover plates is ensured. When the first positioning assembly is used for positioning, the first positioning pin shaft 12 penetrates through the joint between the adjacent split cover plates, and the first positioning pin penetrates through the cover plate opening hole 2 to be matched with the positioning hole in the first positioning pin shaft 12 through a pin hole, so that the positioning plate 11 is tightly attached to the joint between the adjacent split cover plates to position the arrangement position between the adjacent split cover plates.

For the connection and positioning between the adjacent split cover plates, referring to fig. 3, the second positioning assembly is firstly adopted to connect and position between the adjacent split cylinders, specifically, the second positioning pin 31 passes through the connection between the adjacent split cylinders, the second positioning pin 32 passes through the side surface of the split cylinder, and penetrates through the positioning hole on the shaft section of the second positioning pin 31 extending out of the split cylinder, so as to position the arrangement position between the adjacent split cover plates. And then, fastening and connecting the adjacent split cylinders by using a second fastening and connecting assembly, specifically, a first flitch 4 is attached to the inner side surface of the joint between the adjacent split cylinders, a second flitch 5 is attached to the outer side surface of the joint between the adjacent split cylinders, a third flitch 6 is attached to the inner side surface of the first flitch 4, a fourth flitch 7 is attached to the outer side surface of the second flitch 5, corresponding mounting holes are formed in the first flitch 4, the second flitch 5, the third flitch 6 and the fourth flitch 7, cylinder openings are also formed in the two sides of the joint seam on the split cylinders, and the mounting holes in the first flitch 4 and the second flitch 5, the cylinder openings in the split cylinders, and the mounting holes in the third flitch 6 and the fourth flitch 7 can be bolt holes. And high-strength bolts are adopted to penetrate through the mounting holes in the fourth flitch 7, the mounting holes in the second flitch 5, the cylinder holes in the split cylinders, the mounting holes in the first flitch 4 and the mounting holes in the third flitch 6, so that the adjacent split cylinders are further fastened and connected.

Similarly, the curvatures of the inner side surfaces of the joints between the first skin 4 and the adjacent split cylinders need to be the same, and the curvatures of the outer side surfaces of the joints between the second skin 5 and the adjacent split cylinders need to be the same, so as to ensure the mounting accuracy of the joints between the adjacent split cylinders. Preferably, the curvature of the junction between the adjacent split cylinders is 0.

The lower pivoting support shown in fig. 1 and 2 and the upper pivoting support shown in fig. 3 and 4 have certain differences in structure, specifically, for the lower pivoting support, a first main limb 87 is provided at the bottom of the lower pivoting support, the first main limb 87 may be a connecting structure such as a pin or a connecting plate, when the tower crane rotates in the upper pivoting manner, the lower pivoting support is connected with the tower body of the tower crane through the first main limb 87, when the tower crane rotates in the lower pivoting manner, the lower pivoting support is connected with the base of the tower crane through the first main limb 87, and a reinforcing plate 85 is installed between the upper cover plate 81 and the lower cover plate 82 of the lower pivoting support along the circumferential direction of the cylinder 83 of the lower pivoting support. For the upper slewing bearing, a second main limb 88 is arranged at the top of the upper slewing bearing, the second main limb 88 can be a connecting structure such as a pin shaft or a connecting plate, when the tower crane adopts an upper slewing mode to slew, the upper slewing bearing is connected with an arm support of the tower crane through the second main limb 88, when the tower crane adopts a lower slewing mode to slew, the upper slewing bearing is connected with a tower body of the tower crane through the second main limb 88, a flange plate 89 is arranged at the bottom of the upper slewing bearing, the upper slewing bearing is connected with the slewing bearing through the flange plate 89, the lower part of the slewing bearing is connected with the lower slewing bearing so as to realize relative rotation between the upper slewing bearing and the lower slewing bearing, a slewing mechanism support plate 86 is arranged around the cylinder 83 of the upper slewing bearing, and a reinforcing plate 85 is arranged between the upper cover plate 81 and the lower cover plate 82 of the upper slewing bearing along the circumferential direction of the cylinder 83 of the upper slewing bearing.

In order to better understand the technical concept of the present invention, a technical solution with relatively comprehensive technical features is described below.

As shown in fig. 1 to 4, the utility model discloses slewing bearing among the preferred embodiment, including two at least support components of a whole that can function independently structures, first locating component, first fastening coupling assembling, second locating component and second fastening coupling assembling, each support components of a whole that can function independently structure can encircle the concatenation and form slewing bearing, support components of a whole that can function independently structure includes components of a whole that can function independently apron and components of a whole that can function independently drum, each components of a whole that can function independently drum encircles the concatenation and can form the apron, install and be upper cover plate 81 at the up end of drum 83, install and be lower apron 82 at the lower terminal surface of drum 83. As shown in fig. 1, the first positioning assembly includes a positioning pin seat and a first positioning pin (not shown in the figure), the positioning pin seat includes a positioning plate 11 and a first positioning pin shaft 12, the first positioning pin shaft 12 is installed on the positioning plate 11, the first positioning pin shaft 12 passes through a connection between adjacent split cover plates, and the first positioning pin passes through the cover plate opening hole 2 to realize pin hole matching with a positioning hole on the first positioning pin shaft 12, so as to realize positioning of the positioning pin seat; therefore, the positioning plate 11 is tightly attached to the joint between the adjacent split cover plates to position the arrangement position between the adjacent split cover plates. And a positioning plate is also arranged on the other surface of the split cover plate opposite to the positioning plate 11, so that the two positioning plates are clamped at two sides of the joint of the connected split cover plates, and high-strength bolts penetrate through the mounting holes in the positioning plate 11 and the corresponding mounting holes in the split cover plates to realize the fastening connection of the split cover plates to the joint of the adjacent split cover plates. As shown in fig. 2 and 4, the second positioning assembly includes a second positioning pin 31 and a second positioning pin 32, the second positioning pin 31 passes through a joint between adjacent split cylinders, and the second positioning pin 32 passes through a side surface of the split cylinder and passes through a positioning hole on a shaft section of the second positioning pin 31 extending out of the split cylinder, so as to position a disposition position between adjacent split cover plates. The second fastening and connecting assembly can comprise a first flitch 4, a second flitch 5, a third flitch 6 and a fourth flitch 7, the first flitch 4 is attached to the inner side face of the joint between the adjacent split cylinders, the second flitch 5 is attached to the outer side face of the joint between the adjacent split cylinders, corresponding mounting holes are formed in the first flitch 4 and the second flitch 5, cylinder openings are formed in the two sides of a connecting seam of the split cylinders respectively, the third flitch 6 is attached to the inner side face of the first flitch 4, the fourth flitch 7 is attached to the outer side face of the second flitch 5, corresponding mounting holes are formed in the third flitch 6 and the fourth flitch 7, and high-strength bolts penetrate through the mounting holes in the fourth flitch 7, the mounting holes in the second flitch 5, the cylinder openings in the split cylinders, the mounting holes in the first flitch 4 and the mounting holes in the third flitch 6, so that the adjacent split cylinders can be fastened and connected. Furthermore, the curvatures of the inner side surfaces of the joints between the first flitch 4 and the adjacent split cylinders need to be the same, and the curvatures of the outer side surfaces of the joints between the second flitch 5 and the adjacent split cylinders need to be the same, so as to ensure the installation accuracy of the joints between the adjacent split cylinders.

Wherein, circular or cutting place straight line transition can be selected between the support components of a whole that can function independently structure. The rotary support can be an upper rotary support or a lower rotary support, is divided into a plurality of structures, namely a plurality of support split structures, can reduce the transportation size of the rotary support, and is convenient to transport. Adopt high strength bolt to and first locating component, first fastening coupling assembling, second locating component and second fastening coupling assembling etc. carry out fixed connection to each support components of a whole that can function independently structure, can guarantee use intensity.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various features described in the foregoing embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be arbitrarily combined with each other, and the disclosed content of the present invention should be considered as the same as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a slewing bearing, its characterized in that includes two at least support components of a whole that can function independently structures, first locating component, first fastening coupling assembling, second locating component and second fastening coupling assembling, each support components of a whole that can function independently structures surround the concatenation and form slewing bearing, support components of a whole that can function independently structures include components of a whole that can function independently apron and components of a whole that can function independently drum, the terminal surface is provided with respectively about the components of a whole that can function independently drum the components of a whole that can function independently apron, it is adjacent junction between the components of a whole that can function independently apron passes through first locating component location is in order to guarantee first fastening coupling assembling's installation accuracy, it is adjacent junction between the components of a whole that can function independently drum passes through second locating component location, in order to guarantee second fastening coupling assembling's installation accuracy.

2. The swivel support according to claim 1, wherein the first positioning assembly comprises a positioning pin seat and a first positioning pin, the positioning pin seat comprises a positioning plate (11) and a first positioning pin shaft (12) mounted on the positioning plate (11), the first positioning pin shaft (12) is inserted at a connection position between adjacent split cover plates, and the first positioning pin shaft (12) is connected with the first positioning pin mounted on the side surface of the split cover plate.

3. The swivel support according to claim 2, wherein the split cover plate is provided with a cover plate opening (2) on a side surface thereof for being matched with the first positioning pin hole.

4. The swivel support of claim 2, wherein the first fastening and connecting assembly comprises a high strength bolt mounted in a mounting hole on the positioning plate and a corresponding mounting hole on the split cover plate.

5. The swivel support according to claim 1, wherein the second positioning assembly comprises a second positioning pin (31) and a second positioning pin (32), the second positioning pin (31) is inserted into a joint between adjacent split cylinders, and a shaft section of the second positioning pin (31) extending out of the split cylinders is connected with the second positioning pin (32).

6. The swivel support according to claim 1, characterized in that the second fastening and connecting assembly comprises a first flitch plate (4) and a second flitch plate (5), the first flitch plate (4) and the second flitch plate (5) are respectively attached to the inner side and the outer side of the joint between the adjacent split cylinders, corresponding mounting holes are formed in the first flitch plate (4) and the second flitch plate (5), and the first flitch plate (4) and the second flitch plate (5) are fixedly connected through the corresponding mounting holes by high-strength bolts.

7. The swivel support according to claim 6, characterized in that the second fastening and connecting assembly further comprises a third patch (6) and a fourth patch (7), the third patch (6) is attached to the first patch (4), the fourth patch (7) is attached to the second patch (5), corresponding mounting holes are provided on the third patch (6) and the fourth patch (7), and the third patch (6) and the fourth patch (7) are fastened and connected by the high-strength bolts passing through the corresponding mounting holes.

8. A swivel support according to claim 6, characterized in that the curvature of the first and second flitch plates (4, 5) are the same as the curvature of the connection between adjacent split cylinders.

9. The swivel support according to any of claims 1 to 8, wherein the curvature of the connection between adjacent split cylinders is 0.

10. A swivel assembly, characterized in that a swivel support according to any of claims 1 to 9 is provided.