CN214663315U - Engineering machine tool rotary platform bearing structure - Google Patents
Engineering machine tool rotary platform bearing structure Download PDFInfo
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- CN214663315U CN214663315U CN202121060378.2U CN202121060378U CN214663315U CN 214663315 U CN214663315 U CN 214663315U CN 202121060378 U CN202121060378 U CN 202121060378U CN 214663315 U CN214663315 U CN 214663315U
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Abstract
The utility model provides a supporting structure of a rotary platform of engineering machinery, which comprises an outer ring of the rotary platform, a positioning guard ring and an external rotary plate, outer hexagon bolt, the location notch, locating lever and transmission shaft, revolving platform outer lane inboard is provided with the revolving platform inner circle, the inside inner circle screw hole of having seted up of revolving platform inner circle, the inside outer lane screw hole of having seted up in revolving platform outer lane, revolving platform outer lane annular side is provided with the location protective shroud, external rotor plate is installed to revolving platform outer lane upside, external rotor plate upside is provided with the transmission shaft, external rotor plate runs through with revolving platform outer lane junction and installs outer hexagon bolt, the inside location notch of having seted up of up end is protected in the location, external rotor plate annular side is provided with the locating lever, revolving platform outer lane terminal surface left and right sides is provided with the location lug, the difficult problem of fixing a position the installation that carries on of original engineering machine tool revolving platform has been solved in this design.
Description
Technical Field
The utility model relates to an engineering machine tool rotary platform bearing structure belongs to engineering machine tool equipment technical field.
Background
Slewing bearing is novel mechanical parts, and it has inner and outer lane, rolling element etc. to constitute, and slewing bearing is a large-scale bearing that can bear comprehensive load, can bear great axial, radial load and overturning moment simultaneously, and slewing bearing is called slewing bearing again, and someone also calls it to be for a bit: rotary support and rotary support. Slewing bearings are widely used in the real industry and are called: the "joint" of machine is an important transmission component necessary for the machinery which needs to make relative rotary motion between two bodies and simultaneously must bear axial force, radial force and tilting moment. With the rapid development of the mechanical industry, the slewing bearing is widely applied to the industries of ship equipment, engineering machinery, light industry machinery, metallurgical machinery, medical machinery, industrial machinery and the like.
In the prior art, the existing slewing bearing has the following problems in the use process: when the slewing bearing is installed and used, the outer ring of the slewing bearing is not easy to position, specifically speaking, when the outer ring of the slewing bearing is installed on an installation table of engineering machinery, bolt holes in the outer ring and bolt holes in the installation table are not convenient to align due to no reference object, so that the installation process is difficult, trouble and labor are wasted, and effective positioning and installation cannot be carried out, and the problem is solved by an engineering machinery slewing platform supporting structure urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an engineering machine tool rotary platform bearing structure to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure is convenient for carry out convenient location installation to slewing bearing, the simple operation, and the usability is strong.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a supporting structure of a rotary platform of engineering machinery comprises a rotary platform outer ring, a positioning retainer ring, an external rotary plate, an external hexagon bolt, a positioning notch, a positioning rod and a transmission shaft, wherein the rotary platform inner ring is arranged on the inner side of the rotary platform outer ring, an inner ring threaded hole is formed in the rotary platform inner ring, an outer ring threaded hole is formed in the rotary platform outer ring, the positioning retainer ring is arranged on the annular side surface of the rotary platform outer ring, the external rotary plate is mounted on the upper side of the rotary platform outer ring, the transmission shaft is arranged on the upper side of the external rotary plate, the external hexagon bolt is installed at the joint of the external rotary plate and the rotary platform outer ring in a penetrating manner, the positioning notch is formed in the upper end surface of the positioning retainer ring, the positioning rod is arranged on the annular side surface of the external rotary plate, the positioning lugs are arranged on the left side and the right side of the end surface of the rotary platform outer ring, and the upper end surface of each positioning lug is provided with a rubber buffer cushion, and a positioning groove is formed in the lower end face of the external rotary plate.
Furthermore, the edge positions of the positioning guard ring, the external rotary plate, the outer ring of the rotary platform and the inner ring of the rotary platform are chamfered.
Furthermore, the specification of the outer ring threaded hole is matched with the specification of an outer hexagon bolt, the inner diameter of the positioning retainer ring is the same as the diameter of the external rotary plate, the specification of the positioning notch is matched with the specification of the positioning rod, and the specification of the positioning groove is matched with the specification of the positioning lug.
Furthermore, four groups of positioning notches are formed in the positioning notches, the specifications of the four groups of positioning notches are the same, the four groups of positioning notches are symmetrically formed in the inner end face of the positioning guard ring, the four groups of positioning rods are of the same specification, and the four groups of positioning rods are symmetrically arranged on the annular side face of the external rotary plate.
Further, outer hexagon bolt passes through screw thread fixed connection with outer lane screw hole, the location protective shroud passes through welding mode and revolving platform outer lane fixed connection.
The utility model has the advantages that: the utility model discloses an engineering machine tool rotary platform supporting structure, because of the utility model discloses added location protective shroud, external revolving plate, outer hexagon bolt, location notch, locating lever, transmission shaft, outer lane screw hole, rotary platform outer lane, location lug, rotary platform inner circle, inner circle screw hole, rubber buffer pad and positioning groove, this design can be quick fix a position the installation to rotary platform, has solved the difficult problem of fixing a position the installation that carries on of original engineering machine tool rotary platform, has improved the utility model discloses an installation location convenience.
Because of location protective shroud, external gyration board, gyration platform outer lane and gyration platform inner circle border position all carry out the chamfer and handle, improved the rationality of this design, because of outer lane screw hole specification and outer hexagon bolt specification phase-match, location protective shroud internal diameter size is the same with external gyration board diameter size, location notch specification and locating lever specification phase-match, location recess specification and location lug specification phase-match, this design is convenient for match the installation to each part of gyration platform, the utility model discloses rational in infrastructure, be convenient for carry out convenient location installation to slewing bearing, the simple operation, the usability is strong.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a supporting structure of a rotary platform of an engineering machine according to the present invention;
fig. 2 is a front sectional view of the supporting structure of the rotary platform of the engineering machine of the present invention;
fig. 3 is a bottom view of the supporting structure of the rotary platform of the engineering machine of the present invention;
fig. 4 is a bottom cross-sectional view of the supporting structure of the rotary platform of the engineering machine of the present invention;
in the figure: 1-positioning retainer, 2-external rotary plate, 3-external hexagon bolt, 4-positioning notch, 5-positioning rod, 6-transmission shaft, 7-outer ring threaded hole, 8-rotary platform outer ring, 9-positioning lug, 10-rotary platform inner ring, 11-inner ring threaded hole, 12-rubber buffer pad and 13-positioning groove.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: a supporting structure of a rotary platform of engineering machinery comprises a rotary platform outer ring 8, a positioning retainer ring 1, an external rotary plate 2, an external hexagon bolt 3, a positioning notch 4, a positioning rod 5 and a transmission shaft 6, wherein the inner side of the rotary platform outer ring 8 is provided with a rotary platform inner ring 10, the inner side of the rotary platform inner ring 10 is internally provided with an inner ring threaded hole 11, the inner side of the rotary platform outer ring 8 is internally provided with an outer ring threaded hole 7, the annular side surface of the rotary platform outer ring 8 is provided with the positioning retainer ring 1, the upper side of the rotary platform outer ring 8 is provided with the external rotary plate 2, the upper side of the external rotary plate 2 is provided with the transmission shaft 6, the external hexagon bolt 3 is installed at the joint of the external rotary plate 2 and the rotary platform outer ring 8 in a penetrating way, the positioning notch 4 is arranged inside the upper end surface of the positioning retainer ring 1, the annular side surface of the external rotary plate 2 is provided with the positioning rod 5, and the left and right sides of the end surface of the rotary platform outer ring 8 are provided with positioning lugs 9, the upper end face of the positioning lug 9 is provided with a rubber cushion pad 12, the inner part of the lower end face of the external rotary plate 2 is provided with a positioning groove 13, and the design solves the problem that the rotary platform of the original engineering machinery is not easy to position and install.
Location protective shroud 1, external gyration board 2, 10 border positions in gyration platform outer lane 8 and the gyration platform inner circle all carry out the chamfer and handle, the rationality of this design has been improved, 7 specifications of outer lane screw hole and 3 specification phase-matches of outer hex bolts, 1 internal diameter size of location protective shroud is the same with 2 diameter size of external gyration board, 4 specifications of location notch and 5 specification phase-matches of locating lever, 13 specifications of positioning groove and 9 specification phase-matches of locating lug, this design is convenient for match the installation to each part of gyration platform.
Four groups have been seted up to location notch 4, and four groups of location notch 4 specifications are the same, four groups of location notch 4 symmetries are seted up inside 1 up end of location protective shroud, locating lever 5 is provided with four groups, and four groups of locating lever 5 specifications are the same, four groups of locating lever 5 symmetries are installed in external gyration board 2 annular side, this design is convenient for carry out quick location to the installation of gyration platform, outer hexagon bolt 3 passes through screw thread fixed connection with outer lane screw hole 7, location protective shroud 1 passes through welding mode and 8 fixed connection in gyration platform outer lane, this design has improved the steadiness of junction.
As an embodiment of the present invention: when the external rotary plate 2 and the rotary platform are required to be installed, a worker firstly places the external rotary plate 2 on the upper side of the outer ring 8 of the rotary platform, so that the external rotary plate 2 is positioned in the positioning guard ring 1, then rotates the external rotary plate 2, so that the positioning rod 5 on the annular side surface of the external rotary plate 2 falls in the positioning notch 4 in the positioning guard ring 1, and simultaneously the positioning lug 9 on the upper side of the outer ring 8 of the rotary platform is clamped in the positioning groove 13 in the external rotary plate 2, the rubber buffer pad 12 on the upper side of the positioning lug 9 can buffer and protect the contact surface, thereby reducing abrasion, at the moment, the outer ring threaded hole 7 in the outer ring 8 of the rotary platform is aligned with the cavity on the external rotary plate 2, then the external hexagonal bolt 3 penetrates through the external rotary plate 2 and is inserted into the outer ring threaded hole 7 in the outer ring 8 of the rotary platform, and the outer ring 8 of the rotary platform is fixedly connected with the external rotary plate 2 through threaded connection, realized the location installation to rotary platform, improved the utility model discloses an installation convenience.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an engineering machine tool rotary platform bearing structure, includes rotary platform outer lane, location protective shroud, external gyration board, outer hex bolts, location notch, locating lever and transmission shaft, its characterized in that: the rotary platform is characterized in that a rotary platform inner ring is arranged on the inner side of the outer ring of the rotary platform, inner ring threaded holes are formed in the inner ring of the rotary platform, outer ring threaded holes are formed in the outer ring of the rotary platform, a positioning guard ring is arranged on the annular side surface of the outer ring of the rotary platform, an external rotary plate is arranged on the upper side of the outer ring of the rotary platform, a transmission shaft is arranged on the upper side of the external rotary plate, an external hexagon bolt is installed at the joint of the external rotary plate and the outer ring of the rotary platform in a penetrating mode, a positioning groove is formed in the upper end surface of the positioning guard ring, a positioning rod is arranged on the annular side surface of the external rotary plate, positioning lugs are arranged on the left side and the right side of the end surface of the outer ring of the rotary platform, a rubber cushion pad is arranged on the upper end surface of the external rotary plate, and positioning grooves are formed in the lower end surface of the external rotary plate.
2. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: and chamfering processing is carried out on the edge positions of the positioning retainer, the external rotary plate, the outer ring of the rotary platform and the inner ring of the rotary platform.
3. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: the specification of the outer ring threaded hole is matched with that of an outer hexagon bolt, the inner diameter of the positioning retainer ring is the same as the diameter of the external rotary plate, the specification of the positioning notch is matched with that of the positioning rod, and the specification of the positioning groove is matched with that of the positioning lug.
4. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: four groups of positioning notches are formed in the positioning notches, the specifications of the four groups of positioning notches are the same, the four groups of positioning notches are symmetrically formed in the inner end face of the upper positioning protection ring, the four groups of positioning rods are arranged in the four groups of positioning rods, the specifications of the four groups of positioning rods are the same, and the four groups of positioning rods are symmetrically arranged on the annular side face of the external rotary plate.
5. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: the outer hexagon bolt is fixedly connected with the outer ring threaded hole through threads, and the positioning retainer is fixedly connected with the outer ring of the rotary platform through a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121060378.2U CN214663315U (en) | 2021-05-17 | 2021-05-17 | Engineering machine tool rotary platform bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121060378.2U CN214663315U (en) | 2021-05-17 | 2021-05-17 | Engineering machine tool rotary platform bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214663315U true CN214663315U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121060378.2U Active CN214663315U (en) | 2021-05-17 | 2021-05-17 | Engineering machine tool rotary platform bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214663315U (en) |
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2021
- 2021-05-17 CN CN202121060378.2U patent/CN214663315U/en active Active
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