CN216812542U - Rotating platform supporting device for engineering machinery - Google Patents
Rotating platform supporting device for engineering machinery Download PDFInfo
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- CN216812542U CN216812542U CN202123168584.8U CN202123168584U CN216812542U CN 216812542 U CN216812542 U CN 216812542U CN 202123168584 U CN202123168584 U CN 202123168584U CN 216812542 U CN216812542 U CN 216812542U
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Abstract
The utility model discloses a rotary platform supporting device for engineering machinery, which relates to the technical field of engineering machinery and comprises the following components: an outer ring and an inner ring; the front surface of the outer ring is fixedly provided with a plurality of positioning rods; a first ball groove is fixedly arranged in the middle of the inner side surface of the outer ring; the top of the inner side surface of the outer ring is fixedly connected with a first sealing groove; the bottom of the inner side surface of the outer ring is fixedly provided with a first sealing ring; a plurality of first thread mounting holes are fixedly arranged on the surface of the outer ring; the inner side surface of the outer ring is movably provided with an inner ring; has the advantages that: the first sealing ring movably extends into the second sealing groove and is matched with the second sealing groove; the second sealing ring movably extends into the first sealing groove and is matched with the first sealing groove; therefore, the upper end and the lower end between the outer ring and the inner ring are sealed through the first sealing ring and the second sealing ring; thereby improving the sealing effect between the outer ring and the inner ring and preventing the leakage of the lubricating grease.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a rotary platform supporting device for engineering machinery.
Background
The slewing bearing is a large bearing capable of bearing comprehensive loads and can simultaneously bear larger axial and radial loads and overturning moment; slewing bearings are widely used in the real industry and are called: the joint of the machine is an important transmission part which is necessary for the machinery which needs to do relative rotary motion between two objects and simultaneously bears axial force, radial force and tipping moment; with the rapid development of the mechanical industry, the slewing bearing is widely applied to the industries such as ship equipment, engineering machinery, light industrial machinery, metallurgical machinery, medical machinery and industrial machinery, and lubricating oil in the slewing bearing needs to be periodically shut down for maintenance due to impurity pollution and the like;
however, the existing slewing bearing is troublesome in lubricating oil replacement, and the sealing structure is easy to leak lubricating grease when in use, so that the sealing effect is poor; meanwhile, when the outer ring of the slewing bearing is installed on an installation table on the engineering machinery, the bolt hole on the outer ring and the bolt hole on the installation table are not convenient to align due to no reference object, so that the installation difficulty of the slewing bearing is increased; therefore, we propose a rotary platform supporting device for construction machinery to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the defects in the prior art, the utility model provides a rotary platform supporting device for engineering machinery, which solves the problems in the background art.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a rotary platform supporting device for engineering machinery, which comprises: an outer ring and an inner ring; the front surface of the outer ring is fixedly provided with a plurality of positioning rods; a first ball groove is fixedly arranged in the middle of the inner side surface of the outer ring; the top of the inner side surface of the outer ring is fixedly connected with a first sealing groove; the bottom of the inner side surface of the outer ring is fixedly provided with a first sealing ring; a plurality of first threaded mounting holes are fixedly mounted on the surface of the outer ring; the inner side surface of the outer ring is movably provided with an inner ring; a second ball groove is fixedly arranged in the middle of the outer side surface of the inner ring and corresponds to the first ball groove; a plurality of balls are connected inside the second ball groove and the first ball groove in a rolling manner, and a spacer ring is arranged between every two adjacent balls; a second sealing groove is fixedly arranged at the bottom of the outer surface of the inner ring; the top of the outer surface of the inner ring is fixedly provided with a second sealing ring; the front surface of the inner ring is fixedly provided with a plurality of second threaded mounting holes; and a plurality of tooth grooves are fixedly arranged on the inner side of the inner ring.
Preferably, an oil filling hole is fixedly arranged on the outer side surface of the outer ring, and the inside of the oil filling hole penetrates through the inside of the first ball groove; and an outer hexagonal screw is movably arranged on the outer side inside the oil filling hole.
Preferably, the first threaded mounting hole and the second threaded mounting hole are arranged in a circular array structure.
Preferably, the number of the positioning rods is four, and the four positioning rods are arranged on the front surface of the outer ring in a circular array.
Preferably, the first sealing ring movably extends into the second sealing groove, and the first sealing ring is matched with the second sealing groove; the second sealing ring movably extends into the first sealing groove, and the second sealing ring is matched with the first sealing groove.
(III) advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
(1) when the lubricating oil in the first ball groove needs to be replaced, the outer hexagonal screw is screwed out of the inside of the oil filling hole, the lubricating oil is filled into the first ball groove through the oil filling hole, and after the oil filling is finished, the oil filling hole is sealed through the outer hexagonal screw, so that the lubricating oil can be prevented from flowing out of the oil filling hole; thereby facilitating the replacement of the lubricating oil.
(2) The positioning rod can be aligned to the positioning groove embedded in the installation object, so that the first thread installation hole in the outer ring is aligned with the bolt hole in the installation platform, the positioning rod is convenient to position in the installation process of the outer ring, and the rotary support is convenient to install.
(3) The first sealing ring movably extends into the second sealing groove and is matched with the second sealing groove; the second sealing ring movably extends into the first sealing groove and is matched with the first sealing groove; therefore, the upper end and the lower end between the outer ring and the inner ring are sealed through the first sealing ring and the second sealing ring; thereby improving the sealing effect between the outer ring and the inner ring and preventing the leakage of the lubricating grease.
Drawings
FIG. 1 is a front view of the present invention in its entirety;
FIG. 2 is a schematic overall front sectional view of the present invention;
FIG. 3 is a schematic top cross-sectional view of the present invention;
fig. 4 is an enlarged schematic view of the utility model at a in fig. 3 as a whole.
The reference numerals are explained below:
1. an outer ring; 2. positioning a rod; 3. a first ball groove; 4. a first seal groove; 5. a first seal ring; 6. a first threaded mounting hole; 7. an inner ring; 8. a second ball groove; 9. a ball bearing; 10. a spacer ring; 11. a second seal groove; 12. a second seal ring; 13. a second threaded mounting hole; 14. a tooth socket; 15. an oil filler hole; 16. an outer hexagonal screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 to 4, a rotary platform support apparatus for a construction machine includes: an outer ring 1 and an inner ring 7; the front surface of the outer ring 1 is fixedly provided with a plurality of positioning rods 2; the middle of the inner side surface of the outer ring 1 is fixedly provided with a first ball groove 3; the top of the inner side surface of the outer ring 1 is fixedly connected with a first sealing groove 4; the bottom of the inner side surface of the outer ring 1 is fixedly provided with a first sealing ring 5; the surface of the outer ring 1 is fixedly provided with a plurality of first thread mounting holes 6; the inner side surface of the outer ring 1 is movably provided with an inner ring 7; a second ball groove 8 is fixedly arranged in the middle of the outer side surface of the inner ring 7, and the second ball groove 8 corresponds to the first ball groove 4; a plurality of balls 9 are connected inside the second ball groove 8 and the first ball groove 4 in a rolling manner, and a spacer ring 10 is arranged between every two adjacent balls; the bottom of the outer surface of the inner ring 7 is fixedly provided with a second seal groove 11; the top of the outer surface of the inner ring 7 is fixedly provided with a second sealing ring 12; the front surface of the inner ring 7 is fixedly provided with a plurality of second threaded mounting holes 13; a plurality of tooth grooves 14 are fixedly arranged on the inner side of the inner ring 7.
In the embodiment, an oil filling hole 15 is fixedly arranged on the outer side surface of the outer ring 1, and the inside of the oil filling hole 15 penetrates through the inside of the first ball groove 3; an outer hexagonal screw 16 is movably arranged on the outer side of the inner part of the oil filling hole 15.
When the lubricating oil in the first ball groove 3 needs to be replaced, the outer hexagonal screw 16 is screwed out of the oil filling hole 15, the lubricating oil is filled into the first ball groove 3 through the oil filling hole 15, and after the oil filling is finished, the oil filling hole 15 is sealed through the outer hexagonal screw 16, so that the lubricating oil can be prevented from flowing out of the oil filling hole; thereby facilitating the replacement of the lubricating oil.
In this embodiment, the first threaded mounting hole 6 and the second threaded mounting hole 13 are both arranged in a circular array structure.
When the novel bearing is used specifically, the outer ring 1 and the inner ring 7 can be fixedly mounted through the first threaded mounting hole 6 and the second threaded mounting hole 13.
In this embodiment, the positioning rods 2 are four, and the four positioning rods 2 are arranged in the front of the outer ring 1 in a circular array.
When the positioning device is used specifically, the positioning rod 2 can be aligned to the positioning groove embedded in an installation object, so that the first thread installation hole 6 in the outer ring 1 is aligned with the bolt hole in the installation platform, the positioning rod 2 is convenient to position in the installation process of the outer ring 1, and the installation of the slewing bearing is convenient.
In this embodiment, the first sealing ring 5 movably extends into the second sealing groove 11, and the first sealing ring 5 is adapted to the second sealing groove 11; the second sealing ring 12 movably extends into the first sealing groove 4, and the second sealing ring 12 is matched with the first sealing groove 4.
When the lubricating grease sealing device is used specifically, the first sealing ring 5 movably extends into the second sealing groove 11, and the second sealing ring 12 movably extends into the first sealing groove 4, so that the sealing effect between the outer ring 1 and the inner ring 7 can be improved, and the lubricating grease can be prevented from leaking.
The utility model relates to a working principle of a rotary platform supporting device for engineering machinery, which comprises the following steps:
when the lubricating oil in the first ball groove 3 needs to be replaced, the outer hexagonal screw 16 is screwed out from the inside of the oil filling hole 15, the lubricating oil is filled into the first ball groove 3 through the oil filling hole 15, and after the oil filling is finished, the oil filling hole 15 is sealed through the outer hexagonal screw 16, so that the lubricating oil can be prevented from flowing out of the oil filling hole; thereby facilitating the replacement of the lubricating oil;
meanwhile, the first sealing ring 5 movably extends into the second sealing groove 11, and the first sealing ring 5 is matched with the second sealing groove 11; the second sealing ring 12 movably extends into the first sealing groove 4, and the second sealing ring 12 is matched with the first sealing groove 4; thereby improving the sealing effect between the outer ring 1 and the inner ring 7 and preventing the leakage of lubricating grease;
meanwhile, the positioning rod 2 can be aligned to the positioning groove embedded in the installation object, so that the first thread installation hole 6 in the outer ring 1 is aligned with the bolt hole in the installation platform, the positioning rod 2 is convenient to position in the installation process of the outer ring 1, and the installation of the slewing bearing is convenient.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (5)
1. A rotary platform support device for a construction machine, comprising: an outer ring (1) and an inner ring (7); the method is characterized in that: the front surface of the outer ring (1) is fixedly provided with a plurality of positioning rods (2); a first ball groove (3) is fixedly arranged in the middle of the inner side surface of the outer ring (1); the top of the inner side surface of the outer ring (1) is fixedly connected with a first sealing groove (4); the bottom of the inner side surface of the outer ring (1) is fixedly provided with a first sealing ring (5); a plurality of first thread mounting holes (6) are fixedly arranged on the surface of the outer ring (1); the inner side surface of the outer ring (1) is movably provided with an inner ring (7); a second ball groove (8) is fixedly arranged in the middle of the outer side surface of the inner ring (7), and the second ball groove (8) corresponds to the first ball groove (3); a plurality of balls (9) are connected inside the second ball groove (8) and the first ball groove (3) in a rolling manner, and a spacer ring (10) is arranged between two adjacent balls of the plurality of balls; a second sealing groove (11) is fixedly arranged at the bottom of the outer side surface of the inner ring (7); a second sealing ring (12) is fixedly arranged at the top of the outer side surface of the inner ring (7); a plurality of second threaded mounting holes (13) are fixedly mounted on the front surface of the inner ring (7); and a plurality of tooth grooves (14) are fixedly arranged on the inner side of the inner ring (7).
2. The rotary platform support device for construction machinery according to claim 1, wherein: an oil filling hole (15) is fixedly arranged on the outer side surface of the outer ring (1), and the inside of the oil filling hole (15) is penetrated through the inside of the first ball groove (3); an outer hexagonal screw (16) is movably mounted on the outer side of the inner portion of the oil filling hole (15).
3. The rotary platform support device for construction machinery according to claim 1, wherein: the first thread mounting hole (6) and the second thread mounting hole (13) are both arranged in a circular array structure.
4. The rotary platform support device for construction machinery according to claim 1, wherein: the positioning rods (2) are four, and the four positioning rods (2) are arranged on the front surface of the outer ring (1) in a circular array mode.
5. The rotary platform support device for construction machinery according to claim 1, wherein: the first sealing ring (5) movably extends into the second sealing groove (11), and the first sealing ring (5) is matched with the second sealing groove (11); the second sealing ring (12) movably extends into the first sealing groove (4), and the second sealing ring (12) is matched with the first sealing groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123168584.8U CN216812542U (en) | 2021-12-16 | 2021-12-16 | Rotating platform supporting device for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123168584.8U CN216812542U (en) | 2021-12-16 | 2021-12-16 | Rotating platform supporting device for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812542U true CN216812542U (en) | 2022-06-24 |
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ID=82054195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123168584.8U Active CN216812542U (en) | 2021-12-16 | 2021-12-16 | Rotating platform supporting device for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812542U (en) |
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2021
- 2021-12-16 CN CN202123168584.8U patent/CN216812542U/en active Active
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