阅读说明：本技术 一种回转支承连接件、回转台及起重机 (Slewing bearing connecting piece, rotary table and crane ) 是由 姜妙龙 盖晓满 曹智钦 于 2020-06-23 设计创作，主要内容包括：本发明提供了一种回转支承连接件、回转台及起重机,涉及起重机技术领域。回转支承连接件包括至少两连接件本体,连接件本体呈圆弧形状,与回转支承的外圈相适配,连接件本体的圆心角小于等于180°,连接件本体的二个相对的扇环形安装面上均设有预定数量的装配孔；通过紧固件贯穿其中一个扇环形安装面上的装配孔连接回转支承,再通过紧固件贯穿另一个扇环形安装面上的装配孔连接起重机的回转台。本发明通过连接件本体实现回转支承与回转台的过渡连接,因此,在不改变回转支承和回转台的尺寸的前提下,通过改变连接件本体的装配孔直径和位置等尺寸,可以实现不同回转支承和不同转台之间的连接,灵活方便,不影响回转支承和回转台的标准化生产。(The invention provides a slewing bearing connecting piece, a slewing table and a crane, and relates to the technical field of cranes. The slewing bearing connecting piece comprises at least two connecting piece bodies, the connecting piece bodies are in arc shapes and are matched with the outer ring of the slewing bearing, the central angle of the connecting piece bodies is less than or equal to 180 degrees, and a preset number of assembling holes are formed in two opposite fan-shaped annular mounting surfaces of the connecting piece bodies; the fixture penetrates through the assembly hole on one sector annular mounting surface to be connected with the slewing bearing, and then penetrates through the assembly hole on the other sector annular mounting surface to be connected with the slewing table of the crane. The invention realizes the transitional connection between the slewing bearing and the slewing table through the connecting piece body, so that the connection between different slewing bearings and different rotary tables can be realized through changing the sizes such as the diameter, the position and the like of the assembling hole of the connecting piece body on the premise of not changing the sizes of the slewing bearing and the slewing table, the invention is flexible and convenient, and the standardized production of the slewing bearing and the slewing table is not influenced.)

1. The utility model provides a slewing bearing connecting piece is applied to the hoist, its characterized in that, includes two at least connecting piece bodies, the connecting piece body is the circular arc shape for with slewing bearing's outer lane looks adaptation, the central angle less than or equal to 180 of connecting piece body, the connecting piece body includes:

the fan-shaped mounting surfaces are opposite, and a preset number of assembling holes are formed in the two fan-shaped mounting surfaces;

the assembly hole on one of the fan-shaped mounting surfaces is penetrated through by a fastener so as to connect the slewing bearing;

and a fastener penetrates through the assembly hole on the other sector annular mounting surface to be connected with the rotary table of the crane.

2. The slewing bearing connection of claim 1, wherein said connection body is i-shaped in cross-section in a width direction.

3. The slewing bearing connection element according to claim 1, wherein the connection element body comprises a first connection plate, a second connection plate and a support rib plate, the first connection plate is arranged opposite to the second connection plate, the first connection plate and the second connection plate respectively comprise one fan-shaped annular mounting surface, and the support rib plate is supported between the first connection plate and the second connection plate.

4. The slewing bearing connection of claim 3, wherein said support webs are arcuate plates.

5. The slewing bearing connection according to claim 4, wherein at least one side of the support webs is provided with a predetermined number of reinforcing webs supported between the first and second connection plates.

6. The slewing bearing connection of claim 3, wherein said support webs are of a Z-wrap configuration.

7. The slewing bearing connection of claim 3, wherein said connection body further comprises a first flange stiffener and a second flange stiffener;

the first flange reinforcing plate is arranged on the fan-shaped mounting surface of the first connecting plate, covers the assembly hole area on the first connecting plate and is provided with first through holes in one-to-one correspondence with the assembly holes on the first connecting plate;

the second flange reinforcing plate sets up the second connecting plate on the fan ring installation face, just the second flange reinforcing plate covers on the second connecting plate the assembly hole region, seted up on the second flange reinforcing plate with on the second connecting plate the second through-hole of assembly hole one-to-one.

8. The slewing bearing connection of claim 7, wherein the first flange stiffener and the second flange stiffener are each welded to the connection body as a unitary structure.

9. A turntable for a crane, comprising a mounting frame and a slewing bearing connection as claimed in any one of claims 1 to 8 mounted on the mounting frame for connection to a slewing bearing.

10. A crane comprising a turntable as claimed in claim 9.

Technical Field

The invention relates to the technical field of cranes, in particular to a slewing bearing connecting piece, a slewing table and a crane.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range.

At present, the rotary table and the slewing bearing of the small-tonnage and multifunctional crawler crane produced by most engineering machinery manufacturers in China are directly connected by bolts (tapping is carried out on the rotary table, and through holes are processed on the slewing bearing and are connected by the bolts).

However, the disadvantages of the prior art connection methods are: the width of the rotary table is smaller than the diameter of the rotary support, so that holes at multiple positions of the rotary support cannot be connected with the rotary table through bolts, if the number and the position size of the holes of the rotary support are changed, the strength of the connecting holes of the rotary support needs to be checked again, and the standardized production of the rotary support and the rotary table is not facilitated.

Disclosure of Invention

In order to overcome the defects in the prior art, a first object of the present invention is to provide a slewing bearing connection member, which realizes transition connection between the slewing bearing and the slewing table, so as to solve the problems in the prior art.

To overcome the disadvantages of the prior art, a second object of the present invention is to provide a revolving platform using the pivoting support joint of the first object, so as to solve the problems of the prior art.

To overcome the defects in the prior art, the third object of the present invention is to provide a crane using the slewing bearing connection member provided in the second object above, so as to solve the problems in the prior art.

In order to achieve the first object, the invention provides a slewing bearing connector, which is applied to a crane and comprises at least two connector bodies, wherein each connector body is in an arc shape and is used for being matched with an outer ring of the slewing bearing, the central angle of each connector body is less than or equal to 180 degrees, and each connector body comprises:

the fan-shaped mounting surfaces are opposite, and a preset number of assembling holes are formed in the two fan-shaped mounting surfaces;

the assembly hole on one of the fan-shaped mounting surfaces is penetrated through by a fastener so as to connect the slewing bearing;

and a fastener penetrates through the assembly hole on the other sector annular mounting surface to be connected with the rotary table of the crane.

In one possible embodiment, the connector body is i-shaped in cross-section in the width direction.

In a possible implementation manner, the connector body includes a first connecting plate, a second connecting plate, and a supporting rib plate, the first connecting plate is disposed opposite to the second connecting plate, the first connecting plate and the second connecting plate respectively include one of the sector annular mounting surfaces, and the supporting rib plate is supported between the first connecting plate and the second connecting plate.

In a possible embodiment, further, the support rib plate is an arc plate.

In a possible embodiment, further, at least one side of the support rib plates is provided with a predetermined number of reinforcing rib plates, and the reinforcing rib plates are supported between the first connecting plate and the second connecting plate.

In a possible embodiment, further, the supporting rib plate is in a zigzag winding structure.

In a possible embodiment, further, the connector body further includes a first flange reinforcing plate and a second flange reinforcing plate;

the first flange reinforcing plate is arranged on the fan-shaped mounting surface of the first connecting plate, covers the assembly hole area on the first connecting plate and is provided with first through holes in one-to-one correspondence with the assembly holes on the first connecting plate;

the second flange reinforcing plate sets up the second connecting plate on the fan ring installation face, just the second flange reinforcing plate covers on the second connecting plate the assembly hole region, seted up on the second flange reinforcing plate with on the second connecting plate the second through-hole of assembly hole one-to-one.

In a possible embodiment, further, the first flange reinforcing plate and the second flange reinforcing plate are welded to the connector body as a single structure.

In order to achieve the second object, the invention provides a revolving platform applied to a crane, which comprises a mounting frame and a slewing bearing connecting piece provided by the first object, wherein the slewing bearing connecting piece is mounted on the mounting frame, and is used for connecting the slewing bearing.

To achieve the second object, the present invention provides a crane, comprising the turntable provided in the second object.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a slewing bearing connecting piece, a slewing table and a crane, wherein the slewing bearing connecting piece comprises at least two connecting piece bodies, the connecting piece bodies are in arc shapes and are used for being matched with an outer ring of a slewing bearing, the central angle of each connecting piece body is less than or equal to 180 degrees, each connecting piece body comprises two opposite fan-shaped annular mounting surfaces, and each fan-shaped annular mounting surface is provided with a preset number of assembling holes; the fixture penetrates through the assembly hole in one sector annular mounting surface to be connected with the slewing bearing, and then penetrates through the assembly hole in the other sector annular mounting surface to be connected with the slewing table of the crane. The invention realizes the transitional connection between the slewing bearing and the slewing table through the connecting piece body, so that the connection between different slewing bearings and different rotary tables can be realized through changing the diameters, the positions and other dimensions of the assembly holes of the connecting piece body on the premise of not changing the dimensions of the slewing bearing and the slewing table, the connection is flexible and convenient, and the standardized production of the slewing bearing and the slewing table is not influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 illustrates a top view of a pivoting support joint provided by the present invention;

FIG. 2 illustrates a bottom view of a pivoting support connection provided by the present invention;

FIG. 3 is a perspective view of one of the connector bodies of the pivoting support connector of the present invention;

FIG. 4 is a schematic perspective view of another angle of one of the bodies of the pivoting support joint provided by the present invention;

FIG. 5 shows a cross-sectional view taken along line A-A of FIG. 1;

FIG. 6 shows a cross-sectional view taken along line B-B of FIG. 5, further showing that the support webs in the connector body are curved plates;

FIG. 7 shows a cross-sectional view taken along line B-B of FIG. 5, further showing the support webs in the connector body in a Z-coil configuration;

FIG. 8 shows a schematic view of a slewing bearing connection structure;

FIG. 9 is a schematic view of a turntable according to the present invention;

fig. 10 is a schematic perspective view of a turntable according to the present invention.

Description of the main element symbols:

1-a slewing bearing connection; 10-a connector body; 100-assembly holes; 100 a-a first chamber; 100 b-a second chamber; 101-a first flange stiffener; 101 a-a first via; 102-a first connection plate; 102 a-a first fan annular mounting surface; 103-a second connecting plate; 103 a-a second fan-shaped mounting surface; 104-a second flange stiffener; 104 a-a second via; 105-supporting rib plates; 105 a-inner arc side; 105 b-outer arc side; 106-reinforcing plate;

2-a slewing bearing; 2 a-inner ring; 2 b-an outer ring;

3-a fastener;

4-a mounting frame.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the 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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. 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 being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.