CN219865891U - Slewing bearing - Google Patents
Slewing bearing Download PDFInfo
- Publication number
- CN219865891U CN219865891U CN202321318419.2U CN202321318419U CN219865891U CN 219865891 U CN219865891 U CN 219865891U CN 202321318419 U CN202321318419 U CN 202321318419U CN 219865891 U CN219865891 U CN 219865891U
- Authority
- CN
- China
- Prior art keywords
- ring
- slewing bearing
- inner ring
- sealing ring
- sealing
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000004224 protection Effects 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a slewing bearing, and relates to the field of slewing bearings. The outer ring and the rolling body are arranged between the inner ring and the outer ring, and the sealing ring is arranged at the joint of the upper surface and the lower surface of the inner ring and the outer ring. According to the slewing bearing, the protecting shell is arranged on the outer surface of the sealing ring arranged at the joint of the inner ring and the outer ring, and the protecting pad arranged on the inner surface of the protecting shell is in contact with the outer surface of the sealing ring, so that the protecting shell protects the sealing ring, the equipment cannot be directly contacted with the sealing ring when the slewing bearing is connected with the equipment, abrasion and falling of the sealing ring are avoided, and the sealing stability of the slewing bearing in the operation process is improved.
Description
Technical Field
The utility model relates to the technical field of slewing bearings, in particular to a slewing bearing.
Background
The slewing bearing is mainly applied to equipment such as earth machinery and an excavator, and comprises an inner ring, an outer ring and rolling bodies, wherein the rolling bodies are arranged between the inner ring and the outer ring, and sealing rings made of rubber are arranged at the joints of the upper surface and the lower surface of the outer ring and the inner ring so as to isolate the space where the rolling bodies are positioned from the external space.
However, the sealing ring arranged at the joint of the upper surface and the lower surface of the outer ring and the inner ring is extremely easy to damage, so that the sealing effect of the sealing ring on the slewing bearing is invalid.
The main reason that the problem appears is that the sealing rings at the joints of the inner ring and the outer ring of the slewing bearing are in a direct exposed state, when the slewing bearing supports and controls equipment, the sealing rings of the equipment are in direct contact with each other, so that the rubber sealing rings are easy to wear and fall off in the use process, the sealing rings are damaged, the sealing effect of the sealing rings on the joints of the inner ring and the outer ring is invalid, and aiming at the problem, the slewing bearing is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a slewing bearing, and solves the problem that the sealing effect of the slewing bearing is invalid due to the fact that the sealing rings arranged at the joints of the upper surface and the lower surface of the outer ring and the inner ring are extremely easy to damage at present.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a slewing bearing, comprising:
an outer ring is arranged outside the inner ring;
the rolling body is arranged between the inner ring and the outer ring;
the sealing ring is arranged at the joint of the upper surface and the lower surface of the inner ring and the outer ring;
the upper surface of the inner ring is provided with a protection mechanism for protecting the sealing ring;
the protection mechanism comprises a protection shell, connecting plates and threaded rods, wherein the protection shell is covered on the outer surface of the sealing ring, a plurality of groups of connecting plates are arranged on the outer surface of the protection shell at equal intervals, the threaded rods are arranged at the connecting plates, and one ends of the threaded rods are inserted into the inner ring in a threaded manner.
Preferably, the upper surface and the lower surface of the inner ring are provided with a plurality of groups of thread grooves, and one ends of the threaded rods are respectively inserted and arranged in the thread grooves.
Preferably, the inner surface of the protective shell is provided with a protective pad, and one side of the protective pad abuts against the outer surface of the sealing ring.
Preferably, a nipple is arranged on the inner surface of the inner ring, and is used for adding lubricating oil to the rolling body.
Preferably, a plurality of groups of mounting holes are formed in the upper surfaces of the inner ring and the outer ring at equal distances.
Preferably, isolation blocks are arranged among the plurality of groups of rolling bodies.
The utility model discloses a slewing bearing, which has the following beneficial effects:
1. according to the slewing bearing, the protecting shell is arranged on the outer surface of the sealing ring arranged at the joint of the inner ring and the outer ring, and the protecting pad arranged on the inner surface of the protecting shell is in contact with the outer surface of the sealing ring, so that the protecting shell protects the sealing ring, the equipment cannot be directly contacted with the sealing ring when the slewing bearing is connected with the equipment, abrasion and falling of the sealing ring are avoided, and the sealing stability of the slewing bearing in the operation process is improved.
2. The outer surface of the protecting shell is provided with a plurality of groups of connecting plates at equal intervals, and the connecting plates are opposite to the threaded grooves formed in the upper surface or the lower surface of the inner ring, so that the threaded rods arranged at the connecting plates are firmly connected with the threaded grooves, the protecting shell is stably arranged at the inner ring, and the protecting shell is also convenient to stably protect the sealing ring.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the inner ring and outer ring structure of the present utility model;
FIG. 3 is a cross-sectional view of the inner ring and outer ring structure of the present utility model;
FIG. 4 is a schematic view of a seal ring structure according to the present utility model;
fig. 5 is an enlarged view of the structure of fig. 4 at a in accordance with the present utility model.
In the figure: 1. an inner ring; 101. an outer ring; 102. a rolling element; 103. a spacer block; 104. a mounting hole; 105. a seal ring; 2. a nipple; 3. a protective mechanism; 301. a protective shell; 302. a connecting plate; 303. a threaded rod; 304. and a protective pad.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
According to the embodiment of the utility model, by providing the slewing bearing, the problem that the sealing ring arranged at the joint of the upper surface and the lower surface of the outer ring and the inner ring is easy to damage, so that the sealing effect of the slewing bearing is invalid is solved, and the protection of the sealing ring is realized.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Embodiment 1,
The embodiment of the utility model discloses a slewing bearing.
According to the inner ring 1 shown in fig. 1 to 5, an outer ring 101 is arranged outside the inner ring 1;
rolling elements 102 provided between the inner ring 1 and the outer ring 101;
the sealing ring 105 is arranged at the joint of the upper surface and the lower surface of the inner ring 1 and the outer ring 101, and the inner ring 1, the outer ring 101, the rolling bodies 102, the isolating blocks 103, the mounting holes 104, the sealing ring 105 and the oil nozzle 2 form a slewing bearing;
the upper surface of the inner ring 1 is provided with a protection mechanism 3 for protecting the sealing ring 105;
the protection mechanism 3 comprises a protection shell 301, connecting plates 302 and threaded rods 303, wherein the protection shell 301 is covered on the outer surface of the sealing ring 105, a plurality of groups of connecting plates 302 are arranged on the outer surface of the protection shell 301 at equal intervals, the threaded rods 303 are arranged at the positions of the plurality of groups of connecting plates 302, and one ends of the plurality of groups of threaded rods 303 are in threaded connection with the inner ring 1.
Working principle:
for the slewing bearing provided with the clamping teeth on the outer surface of the outer ring 101, the external driving equipment is meshed with the clamping teeth of the outer ring 101, then object equipment to be controlled by the external driving equipment is connected with the inner ring 1 through the mounting holes 104, when the external driving equipment operates, the outer ring 101 of the slewing bearing is driven to rotate through the rolling bodies 102 arranged between the external driving equipment and the inner ring 1 under the meshing action, and under the sealing and blocking action of the sealing rings 105 arranged at the joint of the inner ring and the outer ring, the space where the rolling bodies 102 are positioned is prevented from being influenced by external factors, and then the object equipment supported by the slewing bearing is correspondingly operated, so that the object equipment is controlled.
Before the slewing bearing is used, the protecting shell 301 can be covered on the outer surface of the sealing ring 105, and then the protecting shell 301 is stably arranged on the upper surface and the lower surface of the inner ring 1 through a plurality of groups of threaded rods 303, so that the sealing ring 105 is protected, and the damage condition that the sealing ring 105 is directly contacted with object equipment for a long time is avoided.
Embodiment II,
The embodiment of the utility model discloses a slewing bearing.
According to the drawings 1-5, the upper surface and the lower surface of the inner ring 1 are provided with a plurality of groups of thread grooves, one ends of a plurality of groups of threaded rods 303 are respectively inserted and arranged in the thread grooves, the inner surface of the protective shell 301 is provided with a protective pad 304, one side of the protective pad 304 is propped against the outer surface of the sealing ring 105, the inner surface of the inner ring 1 is provided with a nozzle tip 2 for adding lubricating oil to the rolling bodies 102, the upper surfaces of the inner ring 1 and the outer ring 101 are provided with a plurality of groups of mounting holes 104 at equal distances, and isolation blocks 103 are arranged between the plurality of groups of rolling bodies 102.
Working principle:
when the protecting shell 301 is covered on the sealing ring 105, the protecting pad 304 arranged on the inner surface of the protecting shell 301 is contacted with the sealing ring 105, so that the abrasion of the sealing ring 105 can be further reduced.
When the slewing bearing is used, lubricating oil can be added to the part of the rolling body 102 arranged on the inner ring and the outer ring through the oil nozzle, so that the smoothness of operation of the slewing bearing is improved, and the slewing bearing can be connected with object equipment controlled by the slewing bearing through the mounting holes 104 formed on the upper surface and the lower surface of the inner ring and the outer ring.
In summary, compared with the prior art, the method has the following beneficial effects:
1. according to the slewing bearing, the protective shell 301 is arranged on the outer surface of the sealing ring 105 arranged at the joint of the inner ring 1 and the outer ring 101, and the protective pad 304 arranged on the inner surface of the protective shell 301 is in contact with the outer surface of the sealing ring 105, so that the protective shell 301 protects the sealing ring 105, and when the slewing bearing is connected and installed with equipment, the equipment cannot be directly contacted with the sealing ring 105, the sealing ring 105 is prevented from being worn and falling off, and the sealing stability of the slewing bearing in the operation process of the slewing bearing is improved.
2. The outer surface of the protecting shell 301 is provided with a plurality of groups of connecting plates 302 at equal intervals, and the plurality of groups of connecting plates 302 are opposite to the threaded grooves formed in the upper surface or the lower surface of the inner ring 1, so that threaded rods 303 arranged at the connecting plates 302 are firmly connected with the threaded grooves, the protecting shell 301 is stably arranged at the inner ring 1, and the protecting shell 301 is also convenient to stably protect the sealing ring 105.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A slewing bearing, comprising:
an inner ring (1), wherein an outer ring (101) is arranged outside the inner ring (1);
a rolling element (102) provided between the inner ring (1) and the outer ring (101);
the sealing ring (105) is arranged at the joint of the upper surface and the lower surface of the inner ring (1) and the outer ring (101);
the method is characterized in that: the upper surface of the inner ring (1) is provided with a protection mechanism (3) for protecting the sealing ring (105);
the protection mechanism (3) comprises a protection shell (301), connecting plates (302) and threaded rods (303), wherein the protection shell (301) is covered on the outer surface of the sealing ring (105), a plurality of groups of connecting plates (302) are arranged on the outer surface of the protection shell (301) at equal intervals, the threaded rods (303) are arranged at the connecting plates (302), and one ends of the threaded rods (303) are inserted into the inner ring (1) in a threaded manner.
2. A slewing bearing as defined in claim 1, wherein: the upper surface and the lower surface of the inner ring (1) are provided with a plurality of groups of thread grooves, and one ends of a plurality of groups of threaded rods (303) are respectively inserted and arranged in the thread grooves.
3. A slewing bearing as defined in claim 2, wherein: the inner surface of the protective shell (301) is provided with a protective pad (304), and one side of the protective pad (304) abuts against the outer surface of the sealing ring (105).
4. A slewing bearing as defined in claim 1, wherein: the inner surface of the inner ring (1) is provided with a nozzle (2) for adding lubricating oil to the rolling bodies (102).
5. A slewing bearing as defined in claim 4, wherein: a plurality of groups of mounting holes (104) are formed in the upper surfaces of the inner ring (1) and the outer ring (101) at equal distances.
6. A slewing bearing as defined in claim 5, wherein: and isolation blocks (103) are arranged among the plurality of groups of rolling bodies (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318419.2U CN219865891U (en) | 2023-05-29 | 2023-05-29 | Slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318419.2U CN219865891U (en) | 2023-05-29 | 2023-05-29 | Slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865891U true CN219865891U (en) | 2023-10-20 |
Family
ID=88341557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321318419.2U Active CN219865891U (en) | 2023-05-29 | 2023-05-29 | Slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865891U (en) |
-
2023
- 2023-05-29 CN CN202321318419.2U patent/CN219865891U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of rotary support Effective date of registration: 20231229 Granted publication date: 20231020 Pledgee: Jinan Zhangqiu District Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Shandong Yongqiang Precision Forging Co.,Ltd. Registration number: Y2023980075512 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |