CN201647860U - Three-ring slewing bearing structure - Google Patents
Three-ring slewing bearing structure Download PDFInfo
- Publication number
- CN201647860U CN201647860U CN2010292510060U CN201029251006U CN201647860U CN 201647860 U CN201647860 U CN 201647860U CN 2010292510060 U CN2010292510060 U CN 2010292510060U CN 201029251006 U CN201029251006 U CN 201029251006U CN 201647860 U CN201647860 U CN 201647860U
- Authority
- CN
- China
- Prior art keywords
- centre circle
- ring
- pivoting support
- roller
- outer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The embodiment of the utility model discloses a three-ring slewing bearing structure. The slewing bearing structure comprises an outer ring (1), a center ring (2), an inner ring (3) and rollers (4), wherein the outer ring (1) is positioned on the outer side of the center ring (2); the inner ring (3) is positioned on the inner side of the center ring (2); the center ring (2) rotates relatively to the outer ring (1) and the inner ring (3) respectively through the rollers (4); and the center ring (2) adopts a combined structure and consists of an upper center ring (21) and a lower center ring (22). In the utility model, by virtue of a plurality of groups of rollers and a plurality of support rings, the dimensions of the rollers and the support rings are reduced, the slewing bearing structure is optimized, the bearing capacity of the slewing bearing structure is improved, the assembly and processing are easy, and the application is extensive.
Description
Technical field
The utility model relates to mechanical field, particularly a kind of three-ring type pivoting support structure.
Background technology
Along with the direction of hoisting crane to large-tonnage, super-tonnage develops, manufacturing is had higher requirement to the crane rotation supporting design, concrete, the version of pivoting support need be complementary with the relevant device of hoister in large tonnage, and the load-carrying capacity of pivoting support need satisfy the load level of hoister in large tonnage.
In the prior art, pivoting support is made up of outer ring, inner ring and roller, and roller is installed between outer ring and the inner ring, and outer ring and inner ring relatively rotate by roller; Pivoting support outer ring connecting device topside, inner ring connects bottom section, perhaps, and supporting inner ring connecting device topside, the outer ring connects bottom section.For structure and the carrying demand that adapts to hoister in large tonnage or other mechanical equipment, general size by increase pivoting support roller and support ring, or the dimensional structure of increase tie bolt is realized.
But in the application scenarios of reality, in order to satisfy the carrying needs of hoister in large tonnage or other mechanical equipment, usually need to increase the height and the external diameter of pivoting support roller and support ring, and increase the size of tie bolt, make pivoting support well not to be complementary with the equipment that is carried.
The utility model content
In view of this, the utility model embodiment provides a kind of three-ring type pivoting support structure, has reduced the size of roller and support ring, has avoided the oversize problem of pivoting support, has optimized the structure of pivoting support, has improved the load-carrying capacity of pivoting support simultaneously.
The utility model embodiment provides a kind of three-ring type pivoting support structure, comprising: outer ring (1), inner ring (3) and roller (4),
Also comprise centre circle (2), outer ring (1) is positioned at the outside of centre circle (2), and inner ring (3) is positioned at the inboard of centre circle (2), and centre circle (2) relatively rotates with outer ring (1) and inner ring (3) respectively by roller (4); Wherein, centre circle (2) is a unitized construction, and centre circle (2) is made up of last centre circle (21) and following centre circle (22).
Preferably, also comprise, screw (5), last centre circle (21) is connected by screw (5) with following centre circle (22).
Preferably, roller (4) is a cylindrical roller.
Preferably, the three layers of roller (4) that distribute between outer ring (1) and the centre circle (2), three layers of roller (4) distribute between centre circle (2) and the inner ring (3); Wherein,
The axis of the axis of upper strata cylindrical roller, lower floor's cylindrical roller and described pivoting support place plane parallel, the axis of middle level cylindrical roller is vertical with plane, described pivoting support place.
Preferably, outer ring (1) is connected bottom section with inner ring (3), and centre circle (2) connects topside.
Preferably, described three-ring type pivoting support structure also comprises sealing band (6),
Be installed between outer ring (1) and the centre circle (2), and/or between inner ring (3) and the centre circle (2).
The utility model embodiment proposes a kind of three-ring type pivoting support structure, by adopting many group rollers and a plurality of support ring, has reduced the size of roller and support ring, optimized the structure of pivoting support, improved the load-carrying capacity of pivoting support, and be easy to assembling processing, range of use is big.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in the utility model or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The cross-sectional view of a kind of three-ring type pivoting support structure that Fig. 1 provides for the utility model embodiment;
The space structure scheme drawing of a kind of three-ring type pivoting support structure that Fig. 2 provides for the utility model embodiment;
Marginal data
1, outer ring 2, centre circle
21, go up centre circle 22, following centre circle
3, inner ring 4, roller
5, screw 6, sealing band.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is carried out clear, complete description, obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, all other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belong to the scope that the utility model is protected.
The utility model embodiment has proposed a kind of three-ring type pivoting support structure, comprising: outer ring 1, inner ring 3 and roller 4,
Also comprise centre circle 2, outer ring 1 is positioned at the outside of centre circle 2, and inner ring 3 is positioned at the inboard of centre circle 2, and centre circle 2 relatively rotates with outer ring 1 and inner ring 3 respectively by roller 4; Wherein, centre circle 2 is a unitized construction, and centre circle 2 is made up of last centre circle 21 and following centre circle 22.
Preferably, also comprise, screw 5, last centre circle 21 is connected by screw 5 with following centre circle 22.
Wherein, roller 4 is a cylindrical roller.
Preferably, the three layers of roller 4 that distribute between outer ring 1 and the centre circle 2, three layers of roller 4 distribute between centre circle 2 and the inner ring 3; Wherein,
The axis of the axis of upper strata cylindrical roller, lower floor's cylindrical roller and described pivoting support place plane parallel, the axis of middle level cylindrical roller is vertical with plane, described pivoting support place.
Preferably, outer ring 1 is connected bottom section with inner ring 3, and centre circle 2 connects topside.
Further, this three-ring type pivoting support structure also comprises sealing band 6,
Be installed between outer ring 1 and the centre circle 2, and/or between inner ring 3 and the centre circle 2.
By the three-ring type pivoting support structure that adopts the utility model embodiment to provide, adopt many group rollers and a plurality of support ring, reduced the size of roller and support ring, optimized the structure of pivoting support, improved the load-carrying capacity of pivoting support, and be easy to assembling processing, range of use is big.
The utility model embodiment provides a kind of three-ring type pivoting support structure, as depicted in figs. 1 and 2, wherein, Fig. 1 is the cross-sectional view of three-ring type pivoting support structure, Fig. 2 is the space structure scheme drawing of three-ring type pivoting support structure, comprise: outer ring 1, centre circle 2, inner ring 3, roller 4, screw 5 and sealing band 6 wherein, are that cylindrical roller is that example describes with roller 4.
Outer ring 1 is positioned at the outside of centre circle 2, and inner ring 3 is positioned at the inboard of centre circle 2, and centre circle 2 relatively rotates by roller 4 and outer ring 1, and centre circle 2 relatively rotates by roller 4 and inner ring 3.
Three layers of cylindrical roller of distribution between outer ring 1 and the centre circle 2, three layers of cylindrical roller distribute between centre circle 2 and the inner ring 3; Wherein, the axis of the axis of upper strata cylindrical roller, lower floor's cylindrical roller and described pivoting support place plane parallel, the axis of middle level cylindrical roller is vertical with plane, described pivoting support place.
Need to prove that in the utility model embodiment, roller 4 can also adopt the roller of other types such as spherical roller, taper roller, and is concrete, adopts the roller 4 of which kind of type not influence protection domain of the present utility model.
Outer ring 1 is connected bottom section with inner ring 3, and centre circle 2 connects topside.
In the three-ring type pivoting support structure that the utility model embodiment provides, pivoting support can drive by outer ring 1, or by inner ring 3 drivings, the type of drive of pivoting support can be other type of drive such as gear transmission, chain-driving or turbine and worm transmission, cooresponding, there is cooresponding structure to be used for the driving rotational supporting at the lateral surface of the outer ring 1 of pivoting support or the medial surface of inner ring 3.As shown in Figure 2, when pivoting support adopts gear transmission, and drive by the outer ring 1 of pivoting support, 1 lateral surface adds work gear in the outer ring, is used for being meshed with the gear of actuating device.Need to prove, the three-ring type pivoting support that uses the utility model embodiment to provide, the variation of pivoting support type of drive does not influence protection domain of the present utility model.
The three-ring type pivoting support structure that the utility model embodiment provides adopts outer ring 1, centre circle 2, inner ring 3 and organizes the unitized construction of roller 4 more, reduced the size of roller and support ring, optimized the structure of pivoting support, and by on pivoting support, increasing the layout density of tie bolt, use the high strength tie bolt that support apparatus is fixed, improved the load-carrying capacity of pivoting support.The three-ring type pivoting support that uses the utility model embodiment to provide, when carrying hoister in large tonnage or other main equipment, need not to increase the scantling of structure of pivoting support roller and support ring, and can satisfy the load bearing requirements of institute's load bearing equipment, make pivoting support and the equipment that is carried structurally have high matching degree.
Below, be that the assembling mode of the cylindrical roller three-ring type pivoting support structure that to be example provide the utility model is described in detail with roller 4, concrete,
A installs centre circle 22 down;
B, layout lower floor cylindrical roller, the plane parallel at the axis of lower floor's cylindrical roller and pivoting support place;
C, outer ring 1 is installed,, sealing band 6 is installed, installation sealing band 6 between centre circle 2 and inner ring 3 between outer ring 1 and centre circle 2 at the installed inside inner ring 3 of centre circle 22 down in the following outside of centre circle 22;
D, layout middle level cylindrical roller, the axis of middle level cylindrical roller is vertical with plane, described pivoting support place; Arrange the upper strata cylindrical roller, the axis of upper strata cylindrical roller and described pivoting support place plane parallel;
E, install centre circle 21, screw 5 is screwed into centre circle 21 from centre circle 22 down, last centre circle 21 is combined into centre circle 2 with following centre circle 22; Sealing band 6 is installed between outer ring 1 and centre circle 2, sealing band 6 is installed between centre circle 2 and inner ring 3;
F, the assembling of three-ring type pivoting support are finished.
Among the utility model embodiment, after the assembling of three-ring type pivoting support is finished, outer ring 1 is connected bottom section with inner ring 3, centre circle 2 connects topside, pivoting support structure by using the utility model embodiment to provide satisfies hoister in large tonnage or other main equipment structure and the load bearing requirements to pivoting support.
The utility model embodiment also provides a kind of mechanical equipment of using above-mentioned three-ring type pivoting support structure, and this mechanical equipment comprises other mechanical equipments such as hoisting crane, excavating machine, concrete pump truck.
The utility model embodiment provides a kind of three-ring type pivoting support structure, by adopting many group rollers and a plurality of support ring, has reduced the size of roller and support ring, optimized the structure of pivoting support, improved the load-carrying capacity of pivoting support, and be easy to assembling processing, range of use is big.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.
Claims (6)
1. three-ring type pivoting support structure comprises: outer ring (1), inner ring (3) and roller (4), it is characterized in that,
Also comprise centre circle (2), outer ring (1) is positioned at the outside of centre circle (2), and inner ring (3) is positioned at the inboard of centre circle (2), and centre circle (2) relatively rotates with outer ring (1) and inner ring (3) respectively by roller (4); Wherein, centre circle (2) is a unitized construction, and centre circle (2) is made up of last centre circle (21) and following centre circle (22).
2. three-ring type pivoting support structure as claimed in claim 1 is characterized in that, also comprises, and screw (5),
Last centre circle (21) is connected by screw (5) with following centre circle (22).
3. three-ring type pivoting support structure as claimed in claim 1 is characterized in that,
Roller (4) is a cylindrical roller.
4. three-ring type pivoting support structure as claimed in claim 3 is characterized in that,
Distribution three layers of roller (4) between outer ring (1) and the centre circle (2), three layers of roller (4) distribute between centre circle (2) and the inner ring (3); Wherein,
The axis of the axis of upper strata cylindrical roller, lower floor's cylindrical roller and described pivoting support place plane parallel, the axis of middle level cylindrical roller is vertical with plane, described pivoting support place.
5. three-ring type pivoting support structure as claimed in claim 1 is characterized in that,
Outer ring (1) is connected bottom section with inner ring (3), and centre circle (2) connects topside.
6. three-ring type pivoting support structure as claimed in claim 1 is characterized in that, also comprises sealing band (6),
Be installed between outer ring (1) and the centre circle (2), and/or between inner ring (3) and the centre circle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010292510060U CN201647860U (en) | 2010-02-08 | 2010-02-08 | Three-ring slewing bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010292510060U CN201647860U (en) | 2010-02-08 | 2010-02-08 | Three-ring slewing bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201647860U true CN201647860U (en) | 2010-11-24 |
Family
ID=43113090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010292510060U Expired - Fee Related CN201647860U (en) | 2010-02-08 | 2010-02-08 | Three-ring slewing bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201647860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720759A (en) * | 2012-01-01 | 2012-10-10 | 洛阳隆达轴承有限公司 | Slewing bearing |
| WO2013078907A1 (en) * | 2011-11-28 | 2013-06-06 | 中联重科股份有限公司 | Slewing bearing and mechanical device |
-
2010
- 2010-02-08 CN CN2010292510060U patent/CN201647860U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078907A1 (en) * | 2011-11-28 | 2013-06-06 | 中联重科股份有限公司 | Slewing bearing and mechanical device |
| CN102720759A (en) * | 2012-01-01 | 2012-10-10 | 洛阳隆达轴承有限公司 | Slewing bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202017702U (en) | Double slewing bearing | |
| CN102431908B (en) | Fixed post type fully rotary crane | |
| CN202022670U (en) | Isolated pillar crane with horizontal idler wheels arranged asymmetrically | |
| CN201647860U (en) | Three-ring slewing bearing structure | |
| CN101962139B (en) | Cable delivery disc and lifting mode thereof | |
| CN203095439U (en) | Inclined strut tower crane with rotating center shaft | |
| CN108529449A (en) | A kind of ship heavy lift derrick | |
| CN201857168U (en) | Cable delivery plate | |
| CN202279654U (en) | Pulley system for auxiliary winch of rotary drilling rig | |
| CN202440231U (en) | Gantry crane lifting hook device | |
| CN202253697U (en) | Suspending structure of internal cylinder chimney | |
| EP2377801B1 (en) | Method of serving a complex including two and more mobile wharf boom cranes | |
| CN205187775U (en) | Hydraulic support installation fork truck is with rotatory lift platform | |
| CN202213590U (en) | Supporting turntable | |
| CN202657837U (en) | Novel end beam for crane | |
| CN102431904A (en) | Rotary crane | |
| CN202164042U (en) | Grab bucket capable of preventing steel wire rope from falling off | |
| CN201810022U (en) | Inner suspended inner guy double-rocker 360-degree rotary holding pole | |
| CN104670423A (en) | Embedded chain cable fairlead device | |
| CN103342281A (en) | Travelling wheel mechanism and travelling system used for ocean engineering crane | |
| US6305560B1 (en) | Multiple pedestal ring for ringer crane | |
| CN205712478U (en) | The hybrid structure that a kind of steel lattice cylinder and Core Walls Structure and radial compliance rope dish form | |
| CN206766705U (en) | A kind of turning device of non-adherent flexible pipe storage dish | |
| CN202414978U (en) | Three-point hyperstatic reaction wheel structure for full-circle slewing crane | |
| CN105584938A (en) | Mast crane applied to river network area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130208 |