CN113958614A - Oil injection method for oil-lubricated bearing - Google Patents
Oil injection method for oil-lubricated bearing Download PDFInfo
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- CN113958614A CN113958614A CN202111339159.2A CN202111339159A CN113958614A CN 113958614 A CN113958614 A CN 113958614A CN 202111339159 A CN202111339159 A CN 202111339159A CN 113958614 A CN113958614 A CN 113958614A
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- oil
- block
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- bearing
- nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
- F16N21/04—Nozzles for connection of lubricating equipment to nipples
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the technical field of oil injection of oil lubricated bearings, in particular to an oil injection method of an oil lubricated bearing, wherein the oil lubricated bearing comprises a bearing and a bearing seat, an oil injection block capable of performing oil injection operation on the bearing is arranged on the bearing seat, and a plurality of oil injection nozzles are arranged on the oil injection block; meanwhile, the structure can adjust the oil distribution proportion among the bearings by adjusting the aperture size of the oil nozzle.
Description
Technical Field
The invention relates to an oil injection method for an oil lubrication bearing, and belongs to the technical field of oil injection of oil lubrication bearings.
Background
Oil lubrication is a common motor bearing lubrication mode, and a large amount of heat generated by a bearing is taken away through circulation of lubricating oil. In the prior art, spray lubrication is one of typical oil lubrication methods, and spray lubrication is usually performed by injecting high-pressure oil into a bearing through an oil injection block by an oil pump so that the bearing is in a good lubrication state.
In practical application, two or more bearings of one motor are provided, all the bearings are centralized by adopting a set of circulating oil lubricating system, and oil is supplied to the bearings by distributing to each oil spraying block through multiple paths. The type specifications of the bearings are different generally, and the requirements for the lubricating oil amount are also different, so that the problem of oil amount distribution exists among the bearings, and the problem is realized by using oil injection blocks with oil injection nozzles with different apertures for different bearings at present. Meanwhile, because the bearings of the same type produced by different manufacturers have differences in structural details, the position of the oil spray nozzle often needs to be designed in a matched manner according to the bearings produced by different manufacturers, when a shafting is installed, the specific situation of the installed bearing needs to be determined firstly, then the corresponding oil spray block needs to be selected for matched installation, and when the oil quantity of the bearing needs to be adjusted, the oil spray block with the corresponding oil spray aperture needs to be replaced. The above method mainly has the following problems:
1. the complexity of the installation of the oil injection structure is increased, the difficulty of stock of the oil injection blocks is increased, the problems of installation errors, increase of stock of the oil injection blocks and the like are easy to occur, and the risk is brought to the product quality;
2. the required lubricated oil mass of different bearings is difficult accurate calculation, and under the operational environment of difference, the required lubricated oil mass of same bearing also can have the difference, therefore the different bearings of motor need redistribute according to the lubricated oil mass between the operating condition to the bearing, and above-mentioned method can only realize the redistribution of lubricated oil mass through the oil spout piece of more renew, and the operation is complicated, greatly reduced work efficiency.
Disclosure of Invention
The oil injection method of the oil lubricating bearing provided by the invention can accurately inject oil to bearings with different structures by adjusting the position and the number of the oil injection nozzles under the condition of not replacing the oil injection block, and can adjust the oil distribution proportion among a plurality of bearings by adjusting the aperture size of the oil injection nozzles.
In order to achieve the purpose, the invention adopts the technical scheme that: the oil lubricating bearing comprises a bearing and a bearing seat, wherein an oil spraying block capable of spraying oil to the bearing is arranged on the bearing seat, a plurality of oil spraying nozzles are arranged on the oil spraying block, the bearings with different structures are sprayed with oil by adjusting the positions and the number of the oil spraying nozzles, and the oil supply amount is adjusted by adjusting the hole diameters of the oil spraying nozzles.
Preferably, an oil pipeline is arranged in the bearing seat, and the oil pipeline is divided into an oil inlet pipeline and two or more oil outlet pipelines communicated with the oil inlet pipeline; and communicating the oil spraying blocks with the oil outlet pipeline, and spraying oil to different bearings through different oil spraying blocks.
Preferably, the oil inlet pipeline is communicated with two oil outlet pipelines, the two oil outlet pipelines are respectively communicated with the first oil injection block and the second oil injection block, and the first oil injection block and the second oil injection block are respectively provided with an oil injection nozzle group comprising a plurality of oil injection nozzles.
Preferably, a first oil injection nozzle group comprising a plurality of oil injection nozzles with the same or different aperture sizes is arranged on the first oil injection block.
Preferably, a second oil injection nozzle group comprising a plurality of oil injection nozzles with the same or different aperture sizes is arranged on the second oil injection block.
Preferably, the aperture sizes of the oil nozzles in the first oil nozzle group and the second oil nozzle group are set to be the same or different.
Preferably, two groups of oil spray nozzles are uniformly arranged on the first oil spray nozzle group and the second oil spray nozzle group respectively, and each group of oil spray nozzles comprises three oil spray nozzles uniformly distributed in the height direction H of the oil spray block.
Preferably, the aperture of the oil nozzle on the first oil nozzle group is set to be the same in size, the aperture of the oil nozzle on the second oil nozzle group is set to be the same in size, and the aperture of the oil nozzle in the first oil nozzle group and the aperture of the oil nozzle in the second oil nozzle group are different in size.
Preferably, the inner diameter R of the outlet portion of the oil jet near the oil jet is set to be not smaller than the inner diameter R of the inlet portion near the oil inlet, and the outlet portion is provided with an internal thread.
Preferably, the oil injection block is connected to the bearing seat through a bolt, and a rubber sealing gasket is arranged on a connecting matching surface of the oil injection block and the bearing seat.
The invention has the beneficial effects that:
1. according to the invention, different oil spray blocks are arranged on different bearings, and the oil spray nozzles in different positions and numbers are arranged on the oil spray blocks, so that the oil spray nozzles matched with the oil spray bearings can be adopted to accurately spray oil on the bearings with different structural details of the same model produced by different manufacturers under the condition of not replacing the oil spray blocks.
2. The invention can adjust the oil distribution proportion among the bearings by adjusting the aperture sizes of the oil nozzles without replacing the oil injection block.
Drawings
FIG. 1 is a schematic view of the overall structure of an oil-lubricated bearing according to the first embodiment.
Fig. 2 is a schematic view of an oil nozzle in an oil injection block according to the first embodiment.
Fig. 3 is a sectional view taken in the direction B-B in fig. 2.
Fig. 4 is a schematic view of an oil jet in the first oil jet block of the second embodiment.
Fig. 5 is a schematic structural view of an oil jet in the third embodiment.
The reference numerals include: the oil injection device comprises a bearing seat 1, a bearing I2, a bearing II 3, an oil injection nozzle 4, an oil inlet pipeline 5, an oil outlet pipeline I6, an oil outlet pipeline II 7, an oil injection block I8, an oil injection block II 9, an oil injection nozzle group I10, an oil injection nozzle group II 11, an outlet part 12, an inlet part 13, a rubber sealing gasket 14, a first group of oil injection nozzles 15 and a second group of oil injection nozzles 16.
Detailed Description
Embodiments of the present invention are described in detail below with reference to figures 1-5:
example one
In the present embodiment, as shown in fig. 1-3, a method for injecting oil into an oil-lubricated bearing, where the oil-lubricated bearing includes a bearing and a bearing seat 1, in an actual working condition, a motor generally includes two or more bearings, and the present embodiment includes two bearings, i.e., a first bearing 2 and a second bearing 3; the bearing block 1 is provided with an oil spray block capable of spraying oil to the bearing, the oil spray block is provided with a plurality of oil spray nozzles 4, the first bearing 2 is provided with a first oil spray block 8, the second bearing 3 is provided with a second oil spray block 9, the first oil spray block 8 and the second oil spray block 9 are provided with a plurality of oil spray nozzles 4, the bearings of different structures can be sprayed with oil accurately by adjusting the positions and the number of the oil spray nozzles 4, the oil supply amount can be adjusted by adjusting the aperture size of the oil spray nozzles 4, namely, the oil distribution proportion among the bearings can be adjusted by adjusting the aperture size of the oil spray nozzles 4. The oil nozzle 4 is aligned with the cavity gap of the bearing roller for oil supply.
As shown in fig. 1, an oil pipeline is arranged in the bearing seat 1, the oil pipeline is divided into an oil inlet pipeline 5 and two or more oil outlet pipelines communicated with the oil inlet pipeline 5, an oil spraying block is communicated with the oil outlet pipelines, and oil is sprayed to different bearings through different oil spraying blocks. The oil inlet pipeline 5 is a main oil inlet of the oil lubrication bearing, two or more oil outlet pipelines can be communicated with the oil inlet pipeline 5, when the number of the bearings is large, the oil inlet pipeline 5 needs to be communicated with a plurality of oil outlet pipelines, wherein an oil distribution pipeline is connected in series and communicated with the oil inlet pipeline 5, and a plurality of oil outlet pipelines are connected in parallel and communicated with the oil distribution pipeline according to the number of the bearings; the oil inlet pipeline 5 in the embodiment is communicated with two oil outlet pipelines, namely an oil outlet pipeline I6 correspondingly communicated with the bearing I2 and an oil outlet pipeline II 7 correspondingly communicated with the bearing II 3, the oil outlet pipeline I6 is communicated with an oil spraying block I8, the oil outlet pipeline II 7 is communicated with an oil spraying block II 9, and the oil spraying block I8 and the oil spraying block II 9 are respectively provided with an oil spraying nozzle group comprising a plurality of oil spraying nozzles 4.
Wherein, set up the oil spout nozzle group one 10 including a plurality of apertures size is the same or the unequal oil spout nozzle 4 of aperture size on oil spout piece one 8, set up the oil spout nozzle group two 11 including a plurality of apertures size is the same or the unequal oil spout nozzle 4 of aperture size on oil spout piece two 9, and set the aperture size of oil spout nozzle 4 in oil spout nozzle group one 10 and the oil spout nozzle group two 11 to the same or inequality. In this embodiment, the apertures of the oil nozzles 4 in the first oil nozzle group 10 are the same, the apertures of the oil nozzles 4 in the second oil nozzle group 11 are the same, specifically, after the bearing and the bearing seat 1 are installed and fixed, to the difference of the same type of bearing in the structural details of different manufacturers, two groups of oil nozzles 4 are respectively and uniformly arranged on the first oil nozzle group 10 and the second oil nozzle group 11, which are respectively the first oil nozzle group 15 and the second oil nozzle group 16, each oil nozzle group includes three oil nozzles 4 uniformly distributed in the height direction H of the oil injection block, taking the oil injection block one 8 in fig. 2 and 3 as an example, the apertures of the oil nozzles 4 in the first oil nozzle group 15 and the second oil nozzle group 16 are the same, and the three oil nozzles 4 in each group correspond to the oil injection positions of the bearings produced by three different manufacturers. When the oil injection device is installed and used, other two oil injection nozzles 4 are plugged in each group of oil injection nozzles, and lubricating oil is only allowed to be injected and supplied from one oil injection nozzle 4 with the height corresponding to the used bearing, so that the aim that the same oil injection block is suitable for injecting and supplying oil for different bearings is fulfilled. In the embodiment, the oil nozzles 4 in the first oil nozzle group 10 and the second oil nozzle group 11 have different aperture sizes so as to respectively spray oil for bearings with different types and structures, and the oil distribution proportion of the first bearing 2 and the second bearing 3 is adjusted according to the aperture sizes. Other numbers and positions of the oil nozzles 4 can be set by those skilled in the art according to actual requirements.
As shown in fig. 1, the oil spray block is connected to the bearing seat 1 through a bolt, so that different oil spray blocks can be replaced conveniently according to needs; and a rubber sealing gasket 14 is arranged on the connecting matching surface of the oil injection block and the bearing seat 1 to prevent lubricating oil from leaking.
Example two
As shown in fig. 4, the difference between the first embodiment and the second embodiment is that, in two groups of oil spray nozzles uniformly arranged on the first oil spray nozzle group 10 and the second oil spray nozzle group 11, the aperture sizes of the oil spray nozzles 4 in the first oil spray nozzle group 15 and the second oil spray nozzle group 16 are different, taking the oil spray block one 8 in fig. 4 as an example, the aperture size of the first oil spray nozzle group 15 is larger than the aperture size of the second oil spray nozzle group 16, so that the oil distribution ratio can be adjusted by setting the oil spray nozzles 4 with different aperture sizes according to the needs of specific working scenarios when the same bearing is in different scenarios.
EXAMPLE III
As shown in fig. 5, the present embodiment is different from the first and second embodiments in that the inner diameter R of the outlet portion 12 of the oil jet 4 near the oil jet is set to be not smaller than the inner diameter R of the inlet portion 13 near the oil inlet, and the outlet portion 12 is provided with internal threads, in the present embodiment, the inner diameter R of the outlet portion 12 is larger than the inner diameter R of the inlet portion 13; when the oil injection nozzle 4 needs to be blocked, the corresponding oil injection nozzle 4 is screwed tightly at the outlet part 12 through a blocking bolt with an external thread matched with the internal thread of the outlet part 12. The aperture that fuel sprayer 4 had both been guaranteed to the structure of fuel sprayer 4 in this embodiment is unchangeable, guarantees promptly that the aperture of import portion 13 is unchangeable to this guarantees that the required oil output of bearing is unchangeable, can use the shutoff bolt to carry out the shutoff to the fuel sprayer that does not need again simultaneously, and is convenient and can dismantle, and the commonality is strong.
The above are merely examples of the present invention, and the present invention is not limited to the field related to the embodiments, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much. It should be noted that, for those skilled in the art, without departing from the scope of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The oil injection method of the oil lubrication bearing comprises the bearing and a bearing seat (1), and is characterized in that an oil injection block capable of performing oil injection operation on the bearing is arranged on the bearing seat (1), a plurality of oil injection nozzles (4) are arranged on the oil injection block, the oil injection is performed on the bearings with different structures by adjusting the positions and the number of the oil injection nozzles (4), and the oil supply amount is adjusted by adjusting the hole diameters of the oil injection nozzles (4).
2. Method for injecting oil into an oil-lubricated bearing according to claim 1, wherein an oil line is provided in the bearing housing (1), dividing the oil line into an oil inlet line (5) and two or more oil outlet lines (7) communicating with the oil inlet line (5); and the oil spraying blocks are communicated with the oil outlet pipeline (7), and oil spraying is carried out on different bearings through different oil spraying blocks.
3. The method of injecting oil into an oil-lubricated bearing according to claim 2, wherein two oil outlet lines are connected to the oil inlet line (5), the first oil injection block (8) and the second oil injection block (9) are connected to the two oil outlet lines, and the first oil injection block (8) and the second oil injection block (9) are provided with the oil injection nozzle groups including the plurality of oil injection nozzles (4), respectively.
4. Method for injecting oil into an oil-lubricated bearing according to claim 3, characterized in that a first injector group (10) comprising a plurality of injectors (4) having the same or different bore sizes is provided on the first injector block (8).
5. The method for injecting oil into an oil lubricated bearing according to claim 4, wherein a second injector group (11) comprising a plurality of injectors (4) having the same or different bore sizes is provided on the second injector block (9).
6. Method for injecting oil into an oil-lubricated bearing according to claim 5, characterized in that the bore diameters of the injectors (4) in the first injector group (10) and the second injector group (11) are set to be the same or different.
7. Method for injecting oil into an oil-lubricated bearing according to claim 6, wherein two groups of oil jets (4) are uniformly arranged on the first group of oil jets (10) and the second group of oil jets (11), respectively, and each group of oil jets (4) comprises three oil jets (4) uniformly arranged in the height direction H of the oil jet block.
8. The method for injecting oil into an oil lubricated bearing according to claim 7, wherein the diameters of the oil jet nozzles (4) of the first oil jet nozzle group (10) are set to be the same, the diameters of the oil jet nozzles (4) of the second oil jet nozzle group (11) are set to be the same, and the diameters of the oil jet nozzles (4) of the first oil jet nozzle group (10) and the second oil jet nozzle group (11) are different.
9. Method for injecting oil into an oil lubricated bearing according to claim 8, characterized in that the inner diameter R of the outlet part (12) of the oil injector (4) near the oil injection port is set to be not smaller than the inner diameter R of the inlet part (13) near the oil inlet port, and that the outlet part (12) is provided with an internal thread.
10. Method for spraying oil on an oil-lubricated bearing according to any one of claims 1 to 9, characterized in that the oil spray block is bolted to the bearing seat (1) and a rubber gasket (14) is provided on the mating surface of the oil spray block to the bearing seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339159.2A CN113958614A (en) | 2021-11-12 | 2021-11-12 | Oil injection method for oil-lubricated bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339159.2A CN113958614A (en) | 2021-11-12 | 2021-11-12 | Oil injection method for oil-lubricated bearing |
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| Publication Number | Publication Date |
|---|---|
| CN113958614A true CN113958614A (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111339159.2A Pending CN113958614A (en) | 2021-11-12 | 2021-11-12 | Oil injection method for oil-lubricated bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117469194A (en) * | 2023-12-28 | 2024-01-30 | 诺顿风机(潍坊)有限公司 | Novel intelligent monitoring's special bearing box of axial fan |
-
2021
- 2021-11-12 CN CN202111339159.2A patent/CN113958614A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117469194A (en) * | 2023-12-28 | 2024-01-30 | 诺顿风机(潍坊)有限公司 | Novel intelligent monitoring's special bearing box of axial fan |
| CN117469194B (en) * | 2023-12-28 | 2024-03-08 | 诺顿风机(潍坊)有限公司 | Bearing box special for intelligent monitoring axial flow fan |
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