CN112228463A - Closed bearing cooling self-lubricating system - Google Patents
Closed bearing cooling self-lubricating system Download PDFInfo
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- CN112228463A CN112228463A CN202011163107.XA CN202011163107A CN112228463A CN 112228463 A CN112228463 A CN 112228463A CN 202011163107 A CN202011163107 A CN 202011163107A CN 112228463 A CN112228463 A CN 112228463A
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- Prior art keywords
- oil
- oil tank
- lubricating
- cooling
- bearing
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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
- 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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- 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
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention relates to a closed bearing cooling self-lubricating system, which comprises an oil tank upper gland, an oil tank upper cover, an oil tank side wall, an oil tank lower gland, a sealing ring and an oil tank lower cover which form an oil tank of the lubricating system together; a certain amount of lubricating oil is stored in the oil tank, the middle of the oil tank is connected with the rotor through a ball bearing, a roller bearing, a rotor sleeve and a shaft sleeve, the lower part of the rotor sleeve is sleeved with a cooling pipe, two ends of the cooling pipe are respectively connected with a cooling water inlet and a cooling water outlet which are fixed on a lower gland of the oil tank, and the cooling water inlet, the cooling water outlet and the cooling pipe jointly form a cooling part of a lubricating system; an oil pipeline sleeve is arranged on one side of the ball bearing and the roller bearing, the lower end of the oil pipeline sleeve is connected with a lubricating oil pipe inlet positioned at the bottom of the oil tank through a lubricating oil pipe, and a pipeline and an outlet for lubricating the ball bearing and the roller bearing are arranged in the oil pipeline sleeve. The system can realize self-lubrication of the pump set bearing in the operation process of the pump set, and realize the cooling and storage functions of lubricating oil.
Description
Technical Field
The invention relates to a lubricating system for bearings of various pump sets for ships. In particular to an external oil supply system integrating the functions of lubrication, oil storage, cooling and the like.
Background
At present, a water pump bearing for a ship usually adopts an external oil supply lubrication mode, namely, an independent lubricating oil circulating system is arranged outside a water pump, and a lubricating oil inlet and a lubricating oil outlet are arranged at the position of the bearing, so that the lubrication of the position of the bearing is realized. The external oil supply system comprises an oil storage tank, an oil cooler, an oil pump, a pipeline, various valves and other equipment. Although the external oil supply system can realize the lubrication of the pump set bearing, the external oil supply system has complex composition and numerous devices, and the adoption of the structural part occupies a large amount of cabin space on a ship, and makes the arrangement and the arrangement of other devices in the cabin difficult and heavy. And each set of external oil supply system also all need arrange independent maintenance space, to the boats and ships that miniaturization, integration required are higher, traditional external oil supply lubricating system has gradually been unable to satisfy the demand of using.
The change of the rotating speed of the pump set means that the required amount of lubricating oil of a pump set bearing is changed along with the change of the rotating speed of the pump set. This also puts great demands on the oil supply amount control of the external oil supply system under different water pump operation conditions. Therefore, a closed bearing cooling self-lubricating system is needed, and the closed bearing cooling self-lubricating system is not available at home and abroad at present.
Disclosure of Invention
The invention aims to solve the problem of providing a closed bearing cooling self-lubricating system which integrates an oil storage tank and an oil cooler and has a self-lubricating function, the system can realize self-lubrication of a pump set bearing in the operation process of a pump set, realize the cooling and storage functions of lubricating oil, greatly improve the miniaturization rate and the integration rate of the lubricating system, reduce the volume of a lubricating device and the complexity of the system, and achieve the purpose of improving the safety and the reliability of last-stage blades.
In order to achieve the purpose, the technical scheme of the invention is as follows: a closed bearing cooling self-lubricating system comprises an oil tank upper gland, an oil tank upper cover, an oil tank lower gland, an oil tank lower cover, a roller bearing, an oil tank side wall, a ball bearing and a rotor, wherein the oil tank upper gland, the oil tank upper cover, the oil tank side wall, the oil tank lower gland, a sealing ring and the oil tank lower cover jointly form an oil tank of the lubricating system; a certain amount of lubricating oil is stored in the oil tank, the middle of the oil tank is connected with the rotor through a ball bearing, a roller bearing, a rotor sleeve and a shaft sleeve, the lower part of the rotor sleeve is sleeved with a cooling pipe, two ends of the cooling pipe are respectively connected with a cooling water inlet and a cooling water outlet which are fixed on a lower gland of the oil tank, and the cooling water inlet, the cooling water outlet and the cooling pipe jointly form a cooling part of a lubricating system; an oil pipeline sleeve is arranged on one side of the ball bearing and the roller bearing, the lower end of the oil pipeline sleeve is connected with a lubricating oil pipe inlet positioned at the bottom of the oil tank through a lubricating oil pipe, and a pipeline and an outlet for lubricating the ball bearing and the roller bearing are arranged in the oil pipeline sleeve.
Furthermore, the upper end and the lower end of the side wall of the oil tank are respectively fixedly connected with an upper oil tank cover and a lower oil tank cover, the upper surface of the upper oil tank cover is fixedly and hermetically connected with an upper oil tank gland through a sealing piece and a fastening piece, and the lower surface of the lower oil tank cover is fixedly and hermetically connected with a lower oil tank gland through a sealing ring and a fastening piece.
Further, a space is left above the roller bearing, and the space can be used for discharging oil vapor generated in the lubricating process.
Further, the lubricating oil pipe and the oil pipeline sleeve form an oil conveying section, and lubricating oil moves from bottom to top in the oil conveying section.
Furthermore, the lubricating oil respectively lubricates the ball bearing and the roller bearing from top to bottom after flowing out of the oil conveying section to form an oil return section.
The invention has the beneficial effects that:
the closed bearing cooling self-lubricating system provided by the invention is adopted to replace an external oil supply system, and has the following advantages:
1. because closed bearing cooling self-lubricating oil system concentrates oil tank, oil cooler, oil pump as an organic whole, consequently can reduce boats and ships lubricating oil system's complexity, reduces the required installation space of lubricating arrangement and maintenance space, reduces the shared space of peripheral pipeline installation.
2. The equipment quantity is reduced, and the overall reliability of the ship heat exchange equipment is improved. The use of the closed bearing cooling self-lubricating system greatly reduces the number of bearings which need to be lubricated by the lubricating oil system, so that the overall reliability, maintainability and safety of the ship oil way are obviously improved. If the structure is adopted at each water pump bearing position of the ship, the water pump shutdown accident caused by the fault of the external oil supply system can be basically avoided. The self-lubricating systems with the diameters of the water pumps can also share one set of spare parts, so that the maintainability of each self-lubricating system is greatly increased.
3. Adopt closed bearing cooling self-lubricating oil system can save the oil mass control system of lubricating oil system. The oil quantity of the self-lubricating oil system is directly determined by the rotating speed of the rotor, and when the accuracy of the rotor is increased, the oil quantity will automatically rise. Therefore, the self-lubricating system can achieve self-balancing control of oil quantity, and the external active control of the oil consumption of lubricating oil is not needed.
4. The device is beneficial to improving the miniaturization and integration of equipment, and provides more scheme options for the design and configuration of the cabin of the ship.
Drawings
FIG. 1 is a diagram of a closed bearing cooling self-lubricating system of the present invention;
FIG. 2 is an oil circuit diagram of the closed bearing cooling self-lubricating system of the invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, the closed bearing cooling self-lubricating system of the present invention includes an oil tank upper gland 1, an oil tank upper cap 2, a cooling pipe 3, a sealing ring 4, a cooling water inlet 5, a cooling water outlet 6, an oil tank lower gland 7, an oil tank lower cap 8, a lubricating oil pipe inlet 9, a lubricating oil pipe 10, a shaft sleeve 11, a roller bearing 12, an oil tank sidewall 13, a rotor sleeve 14, a ball bearing 15, a rotor 16, and an oil pipeline sleeve 17.
The upper end and the lower end of the oil tank side wall 13 are respectively fixedly connected with an oil tank upper cover 2 and an oil tank lower cover 8, the upper surface of the oil tank upper cover 2 is fixedly and hermetically connected with an oil tank upper gland 1 through a sealing piece and a fastener, the lower surface of the oil tank lower cover 8 is fixedly and hermetically connected with an oil tank lower gland 7 through a sealing ring 4 and a fastener, so that the oil tank upper gland 1, the oil tank upper cover 2, the oil tank side wall 14, the oil tank lower gland 7, the sealing ring 4 and the oil tank lower cover 8 jointly form an oil tank of a. The oil tank stores a certain amount of lubricating oil.
The middle of the oil tank is connected with a rotor 16 through a ball bearing 15, a roller bearing 12, a rotor sleeve 14 and a shaft sleeve 11, the lower part of the rotor sleeve 14 is sleeved with a cooling pipe 3, one end of the cooling pipe 3 is connected with a cooling water inlet 5 fixed on a lower gland 7 of the oil tank, and the other end of the cooling pipe is connected with a cooling water outlet 6 fixed on the lower gland 7 of the oil tank. The cooling water inlet 5, the cooling water outlet 6 and the cooling pipe 3 together constitute the cooling part of the lubrication system. The cooling water enters the self-lubricating system from the cooling water inlet 5, and is discharged from the cooling water outlet 6 after heat exchange with lubricating oil is completed in the cooling pipe 3.
An oil pipeline sleeve 17 is arranged on one side of the ball bearing 15 and one side of the roller bearing 12, the lower end of the oil pipeline sleeve 17 is connected with a lubricating oil pipe inlet 9 positioned at the bottom of the oil tank through a lubricating oil pipe 10, and a pipeline and an outlet for lubricating the ball bearing and the roller bearing are arranged in the oil pipeline sleeve 17.
The oil circuit is circulated as shown in fig. 2. The rotor 16 rotates to rotate the sleeve 11 and the rotor sleeve 14 together. The energy generated by the rotation of rotor sleeve 14 will force the oil in the oil tank from the oil inlet into oil pipe 10. In this section, the lubricating oil moves from the bottom to the top, and this section of the oil path is denoted as oil delivery section a. The oil delivery section consists of a lubricating oil pipe 10 and an oil pipeline sleeve 17. The lubricating oil respectively lubricates the ball bearing and the roller bearing from top to bottom after flowing out from the oil conveying section A. This section is called the return section B. After passing through the oil return section B, the lubricating oil reenters the oil tank of the lubricating system. It is to be noted that a space is left above the roller bearing 15, which space can be used for discharging oil vapor generated during lubrication. This location is referred to as the oil vapor vent.
The design of the closed bearing cooling self-lubricating oil system is greatly different from that of the traditional lubricating system, and is mainly reflected in the design idea of integrating an oil cooler, an oil tank and a lubricating oil pipeline.
When the device is installed, firstly, the side wall of lubricating oil is welded with the upper lubricating oil cover and the lower lubricating oil cover, and then the upper lubricating oil cover is fixedly installed by bolts, wherein a ball bearing, a roller bearing, a rotor sleeve, an oil pipeline sleeve, a lubricating oil pipe and a rotor are respectively installed in sequence. And then the rotor lower gland, the cooling water inlet and outlet hole and the condenser pipe are installed, and the rotor lower gland, the cooling water inlet and outlet hole and the condenser pipe are installed on the lubricating oil lower gland which is welded and fixed together with the sealing ring as a whole.
The closed bearing cooling self-lubricating system can realize self-lubricating of the bearing position when the pump set runs. The amount of lubricating oil will vary accordingly with the change in the rotational speed of the pump unit. The closed bearing cooling self-lubricating system also has the functions of cooling lubricating oil and storing the lubricating oil.
Claims (5)
1. The utility model provides a closed bearing cooling self-lubricating system, includes gland, oil tank upper cover, oil tank lower cover, roller bearing, oil tank lateral wall, ball bearing, rotor under the oil tank, its characterized in that: the oil tank upper gland, the oil tank upper cover, the oil tank side wall, the oil tank lower gland, the sealing ring and the oil tank lower cover jointly form an oil tank of the lubricating system; a certain amount of lubricating oil is stored in the oil tank, the middle of the oil tank is connected with the rotor through a ball bearing, a roller bearing, a rotor sleeve and a shaft sleeve, the lower part of the rotor sleeve is sleeved with a cooling pipe, two ends of the cooling pipe are respectively connected with a cooling water inlet and a cooling water outlet which are fixed on a lower gland of the oil tank, and the cooling water inlet, the cooling water outlet and the cooling pipe jointly form a cooling part of a lubricating system; an oil pipeline sleeve is arranged on one side of the ball bearing and the roller bearing, the lower end of the oil pipeline sleeve is connected with a lubricating oil pipe inlet positioned at the bottom of the oil tank through a lubricating oil pipe, and a pipeline and an outlet for lubricating the ball bearing and the roller bearing are arranged in the oil pipeline sleeve.
2. The closed bearing cooling self-lubricating system of claim 1, wherein: the upper end and the lower end of the side wall of the oil tank are respectively fixedly connected with an upper oil tank cover and a lower oil tank cover, the upper surface of the upper oil tank cover is fixedly, hermetically and fixedly connected with an upper oil tank gland through a sealing piece and a fastening piece, and the lower surface of the lower oil tank cover is fixedly, hermetically and fixedly connected with a lower oil tank gland through a sealing ring and a fastening piece.
3. The closed bearing cooling self-lubricating system of claim 1, wherein: a space is left above the roller bearing and can be used for discharging oil vapor generated in the lubricating process.
4. The closed bearing cooling self-lubricating system of claim 1, wherein: the lubricating oil pipe and the oil pipeline sleeve form an oil conveying section, and lubricating oil moves from bottom to top in the oil conveying section.
5. The closed bearing cooling self-lubricating system of claim 4, wherein: and the lubricating oil respectively lubricates the ball bearing and the roller bearing from top to bottom after flowing out of the oil conveying section to form an oil return section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011163107.XA CN112228463A (en) | 2020-10-27 | 2020-10-27 | Closed bearing cooling self-lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011163107.XA CN112228463A (en) | 2020-10-27 | 2020-10-27 | Closed bearing cooling self-lubricating system |
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| Publication Number | Publication Date |
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| CN112228463A true CN112228463A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011163107.XA Pending CN112228463A (en) | 2020-10-27 | 2020-10-27 | Closed bearing cooling self-lubricating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382787A (en) * | 2021-12-03 | 2022-04-22 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Oil-water cooling bearing |
-
2020
- 2020-10-27 CN CN202011163107.XA patent/CN112228463A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382787A (en) * | 2021-12-03 | 2022-04-22 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Oil-water cooling bearing |
| CN114382787B (en) * | 2021-12-03 | 2024-05-03 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Oil-water cooled bearing |
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