CN111173833A - Self-lubricating bearing of circulating oil way - Google Patents
Self-lubricating bearing of circulating oil way Download PDFInfo
- Publication number
- CN111173833A CN111173833A CN202010019696.8A CN202010019696A CN111173833A CN 111173833 A CN111173833 A CN 111173833A CN 202010019696 A CN202010019696 A CN 202010019696A CN 111173833 A CN111173833 A CN 111173833A
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- China
- Prior art keywords
- oil
- bearing
- cavity
- self
- lubricating
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- 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.)
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Classifications
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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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
- F16C17/243—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety related to temperature and heat, e.g. for preventing overheating
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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
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact 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
- F16C37/00—Cooling of 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
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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
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a self-lubricating bearing of a circulating oil path, which comprises a shell, and a bearing bush and an oil thrower which are arranged in the shell, wherein the shell consists of a bearing block and a bearing cover arranged on the bearing block; compared with the existing self-lubricating bearing oil path structure, the oil path structure of the invention has the characteristics of unique and novel structure, reasonable distribution of cold and hot oil, sufficient combination with a radiator, strong heat dissipation capability and the like.
Description
Technical Field
The invention belongs to the technical field of bearings, and relates to a novel self-lubricating bearing with an oil circuit circulation structure, which is particularly suitable for large and medium marine motors.
Background
At present, forced lubrication bearings are generally used for large and medium-sized marine motor bearings in China, mechanical self-lubrication bearings are rarely reported, and the self-lubrication bearings are only used for middle support bearings on a general shaft system. The self-lubricating bearing is sealed by adopting a contact type oil seal, an oil way adopts a soaking type structure, the whole inner cavity is filled with lubricating oil, cold and heat exchange is completed with a radiator arranged at the bottom, and stable temperature rise and normal work of the bearing are ensured.
The technical problems in the prior art are as follows: the oil circuit adopts a soaking structure, the oil circuit is simple in structure, and meanwhile, as the bearing oil seal belongs to a rubber product, the bearing oil seal needs to be replaced and maintained regularly. Due to the structural design characteristics of the existing marine motor, the maintenance is difficult, and the operation feasibility is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the novel oil circuit circulation structure of the self-lubricating bearing, solves the technical problems of simple structure, difficult maintenance and the like of the oil circuit of the traditional self-lubricating bearing, and achieves the technical effects of reasonable distribution of cold and hot oil, strong cooling capacity and the like of the self-lubricating bearing.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problem is as follows: a self-lubricating bearing with a circulating oil path comprises a shell consisting of a bearing block and a bearing cover, wherein the bearing cover is internally provided with a bearing bush and an oil thrower positioned on one side of the bearing bush respectively; an oil storage cavity is arranged at the bottom of the bearing seat, a bulge parallel to the oil thrower is arranged in the oil storage cavity, a shunting cavity is arranged in the bulge, an inlet of the shunting cavity is positioned in the middle of the bulge and corresponds to an oil outlet level, and an outlet of the shunting cavity is positioned at each edge of the bulge and faces to the edge of the oil storage cavity; the oil thrower is annular, the lower part of the oil thrower is positioned in the oil storage cavity, and the upper part of the oil thrower corresponds to the bearing bush and is used for driving lubricating oil to rise; the casing bottom still be provided with the radiator for to lubricating oil cooling, including being located the heat dissipation main part between arch and the oil storage intracavity wall and setting up the apron at the bearing frame lateral surface, the heat dissipation main part in be provided with the cooling chamber in the intercommunication casing outside.
Furthermore, the heat dissipation main part card establish between arch and oil storage intracavity wall, and be located the oil slinger below.
Further, the bearing frame on be provided with the bearing frame entry, apron sealing connection on the bearing frame entry and with the cooling chamber intercommunication, realize the external heat exchange in cooling chamber through the apron.
Furthermore, the oil injection level comprises a first oil injection level which is positioned in the middle of the bearing bush and penetrates through the bearing bush and a second oil injection level which is positioned in the edge part of the bearing bush and penetrates through the bearing bush.
Furthermore, the second oil injection position faces the center of the bearing bush and obliquely penetrates through the bearing bush.
The invention has the beneficial effects that:
the cooling device comprises a lubricating oil storage cavity, a radiator, a cooling device and a cooling device, wherein the radiator is arranged in the lubricating oil storage cavity to perform cooling operation on lubricating oil, so that the technical problems that an oil path on a self-lubricating bearing in the prior art is simple in structure, difficult to maintain and the like are solved, and the technical effects that the self-lubricating bearing is high in cooling capacity and the lubricating oil is fully combined with the radiator;
2, by optimizing the relation between the oil outlet level of the bearing bush and the oil taking position of the oil thrower, the lubricating oil can be ensured to be circulated in the oil storage cavity, and the radiator can be ensured to lubricate the lubricating oil in a high-temperature state more effectively;
3 equally divide the oil storage chamber through the arch, then through two parts that the export of two group's flow chamber was with lubricated lubricating oil water conservancy diversion respectively to the oil storage chamber for constitute two circulation circuit on the oil storage chamber, and two circulation circuit set up relatively, make the heat of oil storage chamber each department can be more even.
In a word, compared with the traditional self-lubricating sliding bearing, the novel oil path circulating structure has the characteristics of unique and novel oil path structure, reasonable distribution of cold oil and hot oil, sufficient combination with a radiator, strong cooling capacity and the like, and has important economic and social benefits.
Drawings
FIG. 1 is a schematic structural diagram of the present patent;
FIG. 2 is a schematic sectional view of the main view direction of the present patent;
FIG. 3 is a schematic cross-sectional side view of the present patent;
fig. 4 is a partially enlarged view of a lower left portion in fig. 3.
The figures are numbered: the oil-saving bearing comprises a shell, 11 a bearing seat, 111 an oil storage cavity, 112 a diversion cavity, 12 a bearing cover, 121 an oil receiving hole, 122 an oil receiving cavity, 2 a bearing bush, 21 a first oil injection level, 22 a second oil injection level, 23 an oil outlet level, 3 an oil thrower, 4 a radiator, 41 a cover plate, 42 a heat dissipation main body and 421 a cooling cavity.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 4, the invention discloses a self-lubricating bearing structure of a circulating oil path, which comprises a shell 1, a bearing bush 2, an oil thrower 3 and a radiator 4. Wherein, oil circuit circulation structure sets up inside casing 1, and oil thrower dish 3 is used for driving lubricating oil and rises, and radiator 4 is used for cooling lubricating oil.
The housing 1 is divided into a bearing seat 11 and a bearing cover 12, wherein the bearing cover 12 is disposed on the bearing seat 11.
An oil storage cavity 111 is arranged at the bottom of the bearing seat 11; a bulge is arranged in the middle of the oil storage cavity 111, and the bulge and the oil thrower 3 are arranged in parallel; and a shunting cavity 112 is arranged in the bulge. The bulge is centrally located with respect to the reservoir chamber 111, so that the reservoir chamber 111 is divided into two parts; the flow dividing cavity 112 is provided with even number of outlets, namely an inlet of the flow dividing cavity and an outlet of the flow dividing cavity, which are divided into two groups and respectively correspond to two parts of the oil storage cavity 111; wherein, the inlet of the shunting cavity is positioned in the middle of the bulge and corresponds to the oil outlet position 23 of the bearing bush 2; the outlet of the branch chamber is arranged at each edge of the bulge, corresponding to the edge of the oil storage chamber 111.
Specifically, it is preferable that the outlet of the branch chamber is located at the edge of the oil storage chamber 111, and the outlet of the branch chamber 112 is directed to the edge of the oil storage chamber 111; and the lower part of the oil thrower 3 acts on the middle part of the oil storage chamber 111, so that a large-circulation oil path is conveniently constructed, the cooling time of high-temperature lubricating oil is prolonged, and the average temperature of the lubricating oil when the oil thrower 3 is lifted is effectively reduced.
The bearing bush 2 is provided with an oil injection level and an oil outlet level 23; the oil injection level is positioned at the upper end of the bearing bush 2 and is divided into a first oil injection level 21 and a second oil injection level 22; the oil outlet level 23 is located at the lower end of the bearing shell 2. An oil receiving hole 121 is formed in the top of the bearing cover 12, and an oil receiving cavity 122 facing the oil injection level is formed below the oil receiving hole 121.
The first oil injection level 21 is located in the middle of the bearing shell 2 and penetrates through the bearing shell 2, and the second oil injection level 22 is located at the edge of the bearing shell 2 and penetrates through the bearing shell 2; the second oil injection level 22 faces the center of the bearing shell 2; the second oil injection level 22 obliquely penetrates through the bearing bush 2; here, it is preferable that the drop of the lubricating oil at the first oil level 21 and the second oil level 22 each correspond to the oil exit level 23.
The oil thrower 3 is arranged on one side of the bearing bush 2, the oil thrower 3 is positioned in the shell 1, the lower part of the oil thrower 3 is positioned in the oil storage cavity 111, and the upper part of the oil thrower cavity corresponds to the bearing bush 2; the oil slinger 3 is annular and the lower part of the oil slinger 3 acts in the middle of the oil storage chamber 111.
The radiator 4 is disposed in the oil storage chamber 111, and the radiator 4 includes a cooling chamber 421, and the cooling chamber 421 communicates with the outside of the housing 1. The heat sink 4 includes a heat dissipating body 42 and a cover plate 41. The bearing seat 11 is provided with a bearing seat inlet relative to the heat dissipation body 42, the cover plate 41 is connected to the bearing seat inlet in a sealing manner, and the cover plate 41 is communicated with the cooling cavity 421 on the heat dissipation body 42; the cooling chamber 421 is heat exchanged to the outside through the cover plate 41.
The heat dissipation body 42 is clamped and fixed between the protrusion and the inner wall of the oil storage cavity 111, and preferably, the heat dissipation body 42 is immersed in the lubricating oil in the oil storage cavity 111.
The working principle is as follows: the radiator 4 performs heat dissipation and cooling operations on the lubricating oil; by optimizing the relation between the oil outlet level 23 of the bearing bush 2 and the oil taking position of the oil thrower 3, the lubricating oil can be ensured to be circulated in the oil storage cavity 111, the oil thrower 3 rotates along with the bearing when the bearing rotates, the oil is thrown to the upper surface, then falls down to be sprayed on the heating shaft system and then flows into the oil storage cavity 111, and the radiator 4 can be ensured to more effectively lubricate the lubricating oil in a high-temperature state; because marine environment can lead to the shafting to sway, compare the self-lubricating bearing of fixing the equipment use on the bank, produce the oil leak more easily, consequently seal the oil circuit through the apron 41 of sealing connection on the bearing frame entry.
This application embodiment is through setting up radiator 4 in oil storage chamber 111, comes to carry out the cooling operation that dispels the heat to lubricating oil, has solved technical problem such as way simple structure, maintenance difficulty on the self-lubricating bearing among the prior art, has reached self-lubricating bearing cooling capacity reinforce, and lubricating oil combines abundant technological effect with radiator 4.
The oil circuit circulating structure of the self-lubricating bearing can be used for the self-lubricating bearing of a medium-large marine motor, and compared with the existing oil circuit structure of the self-lubricating bearing, the oil circuit circulating structure has the characteristics of unique and novel oil circuit structure, reasonable distribution of cold oil and hot oil, strong heat dissipation capacity and the like.
The above embodiments are merely illustrative of the principles and effects of the present invention and some embodiments of the invention, and it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept of the present invention, and the scope of the invention is defined by the appended claims.
Claims (5)
1. A self-lubricating bearing of circulating oil way is characterized in that: the oil injection device comprises a shell (1) consisting of a bearing seat (11) and a bearing cover (12), wherein the bearing cover (12) is internally provided with a bearing bush (2) and an oil thrower (3) positioned on one side of the bearing bush (2), the upper end part and the lower end part of the bearing bush (2) are respectively provided with an oil injection level and an oil outlet level (23), the top of the bearing cover (12) is provided with an oil receiving hole (121), and an oil receiving cavity (122) which is opposite to the oil injection level is arranged below the oil receiving hole (121); an oil storage cavity (111) is formed in the bottom of the bearing seat (11), a bulge parallel to the oil thrower disc (3) is arranged in the oil storage cavity (111), a shunting cavity (112) is arranged in the bulge, an inlet of the shunting cavity (112) is located in the middle of the bulge and corresponds to an oil outlet level (23), and an outlet of the shunting cavity (112) faces to the edge of the oil storage cavity (111); the oil thrower (3) is annular, the lower part of the oil thrower is positioned in the oil storage cavity (111), and the upper part of the oil thrower corresponds to the bearing bush (2); casing (1) bottom still be provided with radiator (4), including heat dissipation main part (42) that are located oil storage chamber (111) and apron (41) of setting in bearing frame (11) lateral surface, heat dissipation main part (42) in be provided with cooling chamber (421) in the intercommunication casing (1) outside.
2. The self-lubricating bearing with circulating oil path as claimed in claim 1, wherein the heat dissipating body (42) is clamped between the protrusion and the inner wall of the oil storage chamber (111) and is located below the oil thrower (3).
3. The self-lubricating bearing of claim 2, characterized in that the bearing seat (11) is provided with a bearing seat inlet, the cover plate (41) is connected to the bearing seat inlet in a sealing manner and communicated with the cooling cavity (421), and the cover plate (41) is used for realizing the heat exchange of the cooling cavity (421) to the outside.
4. A circulating oil path self-lubricating bearing according to claim 1, 2 or 3, characterized in that the oil injection level comprises a first oil injection level (21) located in the middle of the bearing shell (2) and extending through the bearing shell (2) and a second oil injection level (22) located in the edge of the bearing shell (2) and extending through the bearing shell (2).
5. A circulating oil path self-lubricating bearing according to claim 1, 2 or 3, characterised in that the second oil injection level (22) is directed towards the centre of the bearing shell (2) and runs obliquely through the bearing shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010019696.8A CN111173833A (en) | 2020-01-08 | 2020-01-08 | Self-lubricating bearing of circulating oil way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010019696.8A CN111173833A (en) | 2020-01-08 | 2020-01-08 | Self-lubricating bearing of circulating oil way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111173833A true CN111173833A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010019696.8A Pending CN111173833A (en) | 2020-01-08 | 2020-01-08 | Self-lubricating bearing of circulating oil way |
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| CN (1) | CN111173833A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049803A (en) * | 2020-07-25 | 2020-12-08 | 三联泵业股份有限公司 | Wear-resisting formula sediment stuff pump |
| CN113154239A (en) * | 2021-03-30 | 2021-07-23 | 德州鸿途矿山机械有限公司 | Thin oil lubrication self-circulation system of vibrating screen |
| CN113464569A (en) * | 2021-08-20 | 2021-10-01 | 盐城支点机械制造有限公司 | Bearing seat for four-row tapered roller bearing for new-structure rolling mill |
| CN114458686A (en) * | 2021-12-22 | 2022-05-10 | 萍乡市慧成精密机电有限公司 | Ceramic injection molding sliding bearing and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779702A (en) * | 2019-03-29 | 2019-05-21 | 中国船舶重工集团公司第七0四研究所 | The highly integrated steam turbine bearing holder structure of oil circuit |
| CN110805621A (en) * | 2019-11-15 | 2020-02-18 | 诸暨市滑动轴承厂 | Self-lubricating bearing |
-
2020
- 2020-01-08 CN CN202010019696.8A patent/CN111173833A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779702A (en) * | 2019-03-29 | 2019-05-21 | 中国船舶重工集团公司第七0四研究所 | The highly integrated steam turbine bearing holder structure of oil circuit |
| CN110805621A (en) * | 2019-11-15 | 2020-02-18 | 诸暨市滑动轴承厂 | Self-lubricating bearing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049803A (en) * | 2020-07-25 | 2020-12-08 | 三联泵业股份有限公司 | Wear-resisting formula sediment stuff pump |
| CN113154239A (en) * | 2021-03-30 | 2021-07-23 | 德州鸿途矿山机械有限公司 | Thin oil lubrication self-circulation system of vibrating screen |
| CN113464569A (en) * | 2021-08-20 | 2021-10-01 | 盐城支点机械制造有限公司 | Bearing seat for four-row tapered roller bearing for new-structure rolling mill |
| CN114458686A (en) * | 2021-12-22 | 2022-05-10 | 萍乡市慧成精密机电有限公司 | Ceramic injection molding sliding bearing and manufacturing method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20200519 |