CN113775659B - Cooling device for bearing temperature adjustment - Google Patents
Cooling device for bearing temperature adjustment Download PDFInfo
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- CN113775659B CN113775659B CN202111197916.7A CN202111197916A CN113775659B CN 113775659 B CN113775659 B CN 113775659B CN 202111197916 A CN202111197916 A CN 202111197916A CN 113775659 B CN113775659 B CN 113775659B
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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
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
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- 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
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The application relates to a cooling device for adjusting temperature based on a bearing, which comprises a cooling groove arranged on a bearing bush and a liquid supply assembly for supplying cooling liquid to the cooling groove, wherein a plurality of liquid storage teeth are arranged in the cooling groove at intervals, a liquid storage groove is formed between every two adjacent liquid storage teeth, and the liquid storage groove is communicated with the cooling groove. This application has the effect that reduces the axle bush because the high possibility that causes the damage of temperature.
Description
Technical Field
The application relates to the field of bearing cooling, in particular to a cooling device for adjusting temperature based on a bearing.
Background
The power generation process of the thermal power plant is as follows: the fuel combustion converts water into steam, the steam pressure pushes the steam turbine to rotate, and the steam turbine drives the generator to rotate, so that the process of converting chemical energy of the fuel into electric energy is realized. The support bearings are important components for supporting the rotation of the main shaft of the steam turbine, and each support bearing needs to bear higher load, so that the support bearings of the steam turbine all adopt a bush type sliding bearing based on liquid friction as a theory, and the bush type sliding bearing for the steam turbine is supported and installed through a bearing support seat.
In view of the above-described related art, the inventors consider that the following drawbacks exist: when the bearing bush type sliding bearing works, an oil film is formed between the bearing bush and the main shaft, the temperature of the oil film is rapidly increased due to the rotation of the main shaft, and the bearing bush is easily damaged due to overhigh temperature.
Disclosure of Invention
In order to reduce the possibility that the bearing bush is damaged due to overhigh temperature, the application provides a cooling device for adjusting the temperature of a bearing.
The application provides a cooling device for temperature regulation based on bearing adopts following technical scheme:
a cooling device for adjusting the temperature of a bearing comprises a cooling groove arranged on a bearing bush and a liquid supply assembly for supplying cooling liquid to the cooling groove, wherein a plurality of liquid storage teeth are arranged in the cooling groove at intervals, a liquid storage groove is formed between every two adjacent liquid storage teeth, and the liquid storage groove is communicated with the cooling groove.
Through adopting above-mentioned technical scheme, supply the liquid subassembly and provide the coolant liquid to the cooling bath, the coolant liquid passes through in the cooling bath gets into the accumulator, and a plurality of accumulator interval distribution are in the axle bush to play the cooling effect to the axle bush, reduce the axle bush because the high possibility that causes the damage of temperature.
Optionally, a plurality of the liquid storage teeth are distributed circumferentially around the axis of the bearing bush.
Through adopting above-mentioned technical scheme, a plurality of liquid storage tank that a plurality of liquid storage teeth formed are the circumference around the axis of axle bush and distribute to carry out more even cooling to the axle bush.
Optionally, a plurality of liquid storage plates are arranged in the cooling tank, at least two liquid storage teeth are in a group, the liquid storage teeth are correspondingly arranged on the liquid storage plates in a group unit, and the liquid storage plates are slidably arranged in the cooling tank.
By adopting the technical scheme, the liquid storage teeth are arranged on the liquid storage plate, so that the distance between the adjacent liquid storage teeth is controlled, and the volume of the liquid storage tank is controlled; the liquid storage plate is arranged in the cooling groove in a sliding mode, so that the cooling liquid in the liquid storage groove can cool different positions of the bearing bush.
Optionally, a thrust surface is arranged on the liquid storage tooth, a liquid inlet hole which forms an angle with the thrust surface is arranged on the bearing bush, the liquid storage tooth can move in the cooling groove by applying force to the thrust surface when cooling liquid enters the liquid storage groove from the liquid inlet hole, and a pressure regulating assembly I is arranged on the bearing support seat and used for regulating pressure in the liquid storage groove which is arranged far away from the liquid inlet hole.
By adopting the technical scheme, when the cooling liquid enters the liquid storage tank from the liquid inlet hole, the cooling liquid can be directly sprayed on the thrust surface to provide thrust for the movement of the liquid storage teeth; meanwhile, the pressure in the liquid storage tank is adjusted through the adjusting assembly, so that a pressure difference is generated between the liquid storage tank close to the adjusting assembly and the liquid storage tank close to the liquid inlet hole, and the liquid storage teeth are driven to move.
Optionally, a gap between the bearing bush and the main shaft is an oil film gap, an oil filler hole is formed in the bearing bush, two ends of the oil filler hole are respectively communicated with the cooling groove and the oil film gap, a liquid discharge hole is formed in the liquid storage plate and corresponds to the oil filler hole, and the liquid discharge hole is communicated with the liquid storage groove.
By adopting the technical scheme, the cooling liquid is selected from lubricating oil capable of forming an oil film, the liquid storage tank is filled with oil, the pressure of the liquid storage tank is greater than that of an oil film gap, and when the liquid discharge hole moves to be aligned with the oil filling hole along with the liquid storage tooth, the oil in the liquid storage tank enters the oil film gap through the oil filling hole under the action of pressure, so that sufficient lubricating oil is provided for the oil film gap.
Optionally, the cooling bath is ring shape, hold the liquid tooth and be circular motion around the axis of cooling bath, just it is the major arc to hold the orbit that the liquid tooth moved to the oil filler point position by feed liquor hole position.
By adopting the technical scheme, the oil enters the liquid storage tank through the liquid inlet hole, the liquid storage teeth rotate to drive the oil to do circular motion, the bearing bush is cooled, and after passing through the track of a major arc, the oil enters the oil film gap from the liquid storage tank to be used as lubrication, so that the utilization rate of the oil is improved.
Optionally, the liquid supply assembly comprises an oil tank, a first liquid pumping part and a liquid supply pipe communicated with the liquid inlet hole, an inlet of the first liquid pumping part is communicated with the oil tank, and an outlet of the first liquid pumping part is communicated with the liquid supply pipe.
By adopting the technical scheme, under the action of the first liquid pumping part, lubricating oil in the oil tank can enter the liquid storage tank through the liquid inlet hole so as to supply oil to the liquid storage tank.
Optionally, an overflow hole communicated with the liquid storage tank is formed in the bearing bush, the first pressure regulating assembly comprises an overflow valve arranged on the bearing support seat and an overflow pipe arranged at an outlet of the overflow valve, the overflow pipe is communicated with the oil tank, and an inlet of the overflow valve is communicated with the overflow hole.
Through adopting above-mentioned technical scheme, fluid in the hold tank can be through the overflow pipe use again in the oil tank of backward flow, can reduce the pressure in the hold tank with the overflow valve intercommunication through the overflow valve to make the hold tank internal pressure with the overflow valve intercommunication be greater than the hold tank internal pressure with feed liquor hole intercommunication, thereby order about to hold the liquid tooth and remove to the direction in overflow hole by the feed liquor hole.
Optionally, a pressure regulating channel is arranged on the main shaft, one end of the pressure regulating channel is communicated with the oil film gap, and a pressure regulating assembly II used for supplying oil to the pressure regulating channel is arranged on the main shaft.
Through adopting above-mentioned technical scheme, pressure regulating subassembly two pass through the pressure regulating passageway and supply fluid to the oil film clearance to guarantee that the oil mass in the oil film clearance is sufficient, can adjust the pressure in the oil film clearance simultaneously, in order to guarantee the normal operating of main shaft.
Optionally, pressure regulating subassembly two includes drawing liquid piece two, pressure regulating pipe and rotates the piece, the import and the oil tank intercommunication of drawing liquid piece two, the export and the pressure regulating pipe intercommunication of drawing liquid piece two, the one end that drawing liquid piece two was kept away from to the pressure regulating pipe is installed on the main shaft through rotating the piece rotation.
Through adopting above-mentioned technical scheme, under the effect of drawing liquid spare two, fluid passes through the pressure regulating pipe and gets into the pressure regulating passageway in order to supply the fuel feeding to the oil film clearance, rotates the piece through setting up to make the main shaft rotate and can not take place pipeline winding line phenomenon.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Figure 2 is a cross-sectional view along the bearing shell cross-section in an embodiment of the present application.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Fig. 4 is a schematic structural view of the upper tile in a section view in the embodiment of the present application.
Reference numerals: 1. bearing bushes; 11. putting a tile; 12. tile laying; 13. a cooling tank; 14. a liquid inlet hole; 15. an oil filler hole; 16. an oil sump; 17. an overflow aperture; 2. a bearing support seat; 21. a bearing cap; 22. a bearing seat; 3. a main shaft; 31. a pressure regulating channel; 311. a main channel; 312. a branch channel; 4. a liquid supply assembly; 41. an oil tank; 42. a first liquid pumping part; 43. a liquid supply tube; 5. oil film clearance; 6. a liquid storage plate; 61. liquid storage teeth; 611. a thrust surface; 62. a liquid storage tank; 63. a drain hole; 7. a first voltage regulating component; 71. an overflow valve; 72. an overflow pipe; 8. a second voltage regulating component; 81. a second liquid pumping part; 82. a pressure regulating pipe; 83. and a rotating member.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses based on cooling device for bearing temperature control. Referring to fig. 1 and 2, the cooling device for adjusting the bearing temperature comprises a cooling groove 13 arranged on the bearing bush 1 and a liquid supply assembly 4 for supplying cooling liquid to the cooling groove 13, wherein the cooling liquid in the cooling groove 13 can cool the bearing bush 1, and the possibility of damage to the bearing bush 1 due to high temperature is reduced.
Referring to fig. 1 and 2, the sliding bearing in this embodiment is split, and the split surfaces are horizontal surfaces, that is, the bearing bush 1 includes an upper bush 11 and a lower bush 12, the bearing support base 2 includes a bearing cover 21 located above and a bearing seat 22 located below, and the bearing seat 22 is fixedly installed on the ground or other installation platform; the bearing bush 1 is fixedly arranged in the bearing support seat 2, and the axis of the bearing bush 1 is horizontally arranged; a main shaft 3 of the steam engine horizontally and coaxially penetrates through a bearing bush 1, and a gap between the bearing bush 1 and the main shaft 3 is an oil film gap 5.
Referring to fig. 2 and 3, the cooling groove 13 is provided in the bearing bush 1, the cooling groove 13 is circular, and the circular ring is coaxial with the bearing bush 1, the cooling groove 13 is not opened along both axial ends of the bearing bush 1, that is, when the upper bush 11 and the lower bush 12 are aligned and installed in the bearing support seat 2, the cooling groove 13 is a closed space. A plurality of liquid storage plates 6 are embedded in the cooling tank 13, six liquid storage plates are taken as examples in the embodiment, so that the liquid storage plates 6 can be conveniently installed; the liquid storage plate 6 is an arc-shaped plate and is matched with the cooling groove 13 in shape, the axial length of the liquid storage plate 6 along the bearing bush 1 is equal to the axial length of the cooling groove 13 along the self-body, the arc-shaped surface of the liquid storage plate 6 close to the main shaft 3 is attached to the arc-shaped side wall of the cooling groove 13 close to the main shaft 3, and the liquid storage plate 6 can do circular motion along a circular ring formed by the cooling groove 13. A plurality of liquid storage plates 6 are installed in inserting last tile 11 and lower tile 12 respectively by the junction of last tile 11 and lower tile 12, and adjacent two sides that liquid storage plates 6 are close to each other are laminated each other, and a plurality of liquid storage plates 6 are complete cylindric after the installation is accomplished, when one of them liquid storage plates 6 is circular motion, can drive all liquid storage plates 6 in the cooling bath 13 and do circular motion.
Referring to fig. 2 and 3, a plurality of liquid storage teeth 61 are integrally arranged on the arc-shaped side surface of the liquid storage plate 6 away from the main shaft 3, and the liquid storage teeth 61 are uniformly distributed at intervals outside a cylinder formed by the plurality of liquid storage plates 6. Referring to fig. 4, the liquid storage tooth 61 is elongated and extends in the axial direction of the bearing bush 1, and the length of the liquid storage tooth 61 is equal to the length of the liquid storage plate 6 in the axial direction. The cross section of the liquid storage tooth 61 is triangular, and one side edge of the triangular shape is connected with the liquid storage plate 6; one side of the triangle formed by the cross section of the liquid storage tooth 61 passes through the center of the cross section of the bearing bush 1, the side surface of the liquid storage tooth 61 formed by extending the side is a thrust surface 611, and the liquid storage tooth 61 drives the liquid storage plate 6 to rotate towards one direction by applying force to the thrust surface 611; the angle of the triangle formed by the cross section of the liquid storage teeth 61 far away from the liquid storage plate 6 is an acute angle, the joint of two side edges forming the acute angle is arc-shaped and is abutted against the side wall of the cooling groove 13 far away from the spindle 3, so that a closed space is formed between two adjacent liquid storage teeth 61 and the side walls of the liquid storage plate 6 and the side walls of the cooling groove 13 far away from the spindle 3, the closed space is a liquid storage groove 62, and when the cooling liquid is injected into the cooling groove 13, the cooling liquid can directly enter the liquid storage groove 62.
Referring to fig. 2 and 4, a liquid inlet hole 14 is formed in the bearing bush 1, the liquid inlet hole 14 is a circular hole, the liquid inlet hole 14 penetrates through the upper side wall of the bearing cover 21 and is formed above the upper bush 11, the liquid inlet hole 14 is obliquely arranged along the vertical direction, the axis of the liquid inlet hole 14 and the thrust surface 611 form an angle, and when cooling liquid enters the liquid storage groove 62 from the liquid inlet hole 14, the cooling liquid can be directly sprayed on the thrust surface 611 to provide thrust for the rotation of the liquid storage teeth 61 and provide cooling liquid for the liquid storage groove 62; along with holding liquid tooth 61 and rotating, the coolant liquid can get into different liquid storage tank 62 through feed liquor hole 14 in to all be filled with the coolant liquid in making a plurality of liquid storage tank 62 that are the annular distribution, it is better to the cooling effect of axle bush 1. The number of the liquid inlet holes 14 may be a plurality of holes arranged at regular intervals along the length direction of the thrust surface 611 according to the length of the thrust surface 611, so as to provide more uniform thrust to the thrust surface 611, in this embodiment, only one liquid inlet hole is arranged, and the liquid inlet hole 14 is correspondingly arranged at the middle position of the liquid storage tooth 61 in the length direction.
Referring to fig. 2 and 3, in the embodiment, the lubricating oil used in the oil film gap 5 is selected as the cooling liquid, and the lubricating oil circularly moves in the liquid storage groove 62 along with the liquid storage teeth 61 to cool the bearing bush 1, and then the lubricating oil is discharged into the oil film gap 5 and can be continuously used as the lubricating oil, so that the utilization rate of the lubricating oil is improved. Referring to fig. 4, a plurality of liquid drainage holes 63 are formed through the side wall of each liquid storage tank 62 close to the main shaft 3, the liquid drainage holes 63 are circular through holes, the axes of the liquid drainage holes 63 are perpendicular to and intersect with the axis of the bearing bush 1, and the liquid drainage holes 63 are uniformly arranged at intervals along the axial direction of the bearing bush 1; run through on the cooling tank 13 be close to main shaft 3's the lateral wall and seted up a plurality of oil filler points 15, oil filler point 15 sets up the thickest position of oil film in oil film clearance 5, and oil filler point 15 is circular through-hole, and oil filler point 15's axis is perpendicular and crossing with the axis of axle bush 1, and oil filler point 15's diameter is greater than the diameter of flowing back hole 63, and a plurality of oil filler points 15 are arranged along the even interval of length direction of axle bush 1, and oil filler point 15 sets up with flowing back hole 63 one-to-one. Oil groove 16 has been seted up to axle bush 1 inside wall, and oil groove 16 all communicates the setting with a plurality of oil filler point 15, and oil groove 16 is rectangular shape, and the transversal semicircular in shape, and oil groove 16 extends along the axial of axle bush 1, and oil groove 16 does not open along axle bush 1 axial, also can set up oil groove 16 into other shapes as required according to the use, for example "X" shape, annular, spiral etc..
Referring to fig. 2 and 3, the oil inlet 15 is located above the bearing shell 1 and close to the liquid inlet 14, and when the liquid storage tooth 61 is located above the bearing shell 1, the liquid storage tooth rotates from the oil inlet 15 to the direction of the liquid inlet 14, that is, the motion track of the liquid storage tooth 61 moving from the liquid inlet 14 to the oil inlet 15 is a major arc. The pressure in the oil film clearance 5 is lower than the pressure in the reservoir tank 62, and when the drain hole 63 rotates with the reservoir plate 6 to be aligned with the oil hole 15, the lubricating oil in the reservoir tank 62 enters the oil film clearance 5 under pressure. A plurality of liquid storage teeth 61 are arranged in the cooling tank 13, the diameter of the side wall of the cooling tank 13 close to the main shaft 3 is D, the number of the liquid storage teeth 61 is N, and when the D is 200mm, 300mm, 400mm and 500mm, the range of N is correspondingly set to be 30-60, 40-70, 50-80 and 60-100; a plurality of liquid storage grooves 62 are formed among the plurality of liquid storage teeth 61, so that the volume of the liquid storage grooves 62 is small, and when each liquid discharge hole 63 is aligned with the oil hole 15, lubricating oil in the liquid storage grooves 62 can enter the oil film gap 5 through the liquid discharge hole 63 and the oil hole 15; when D is set to other values, the range of N can be adjusted according to the actual situation.
Referring to fig. 1 and 2, the liquid supply assembly 4 includes an oil tank 41, a first liquid pumping element 42 and a liquid supply pipe 43, the oil tank 41 is fixedly installed on the ground or other installation platform, in this embodiment, the first liquid pumping element 42 is an oil pump, an inlet of the oil pump is communicated with the oil tank 41 through a pipeline, an outlet of the oil pump is communicated with the liquid inlet hole 14 through the liquid supply pipe 43, and the oil pump is started to supply oil to the liquid storage tank 62.
Referring to fig. 2, in order to make the liquid storage teeth 61 easier to rotate so as to speed up the cooling of the bearing bush 1, the bearing bush 1 is provided with overflow holes 17, and the overflow holes 17 penetrate through the upper side wall of the bearing cap 21 to the upper side of the upper bush 11 and are communicated with the cooling groove 13; a plurality of liquid storage teeth 61 are arranged between the overflow hole 17 and the liquid inlet hole 14 at intervals, the number of the liquid storage teeth 61 between the overflow hole 17 and the liquid inlet hole 14 can be set to be two to ten according to the pressure condition in the liquid storage tank 62, and the liquid storage teeth 61 move from the liquid inlet hole 14 to the overflow hole 17; the position of the bearing cover 21 corresponding to the overflow hole 17 is provided with a first pressure regulating assembly 7 for regulating the pressure in the liquid storage tank 62 communicated with the overflow hole 17, so that the pressure in the liquid storage tank 62 communicated with the overflow hole 17 is smaller than the pressure in the liquid storage tank 62 communicated with the liquid inlet hole 14, and the rotation of the liquid storage teeth 61 from the liquid inlet hole 14 to the overflow hole 17 is accelerated.
Referring to fig. 1 and 2, the first pressure regulating assembly 7 includes an overflow valve 71 and an overflow pipe 72, the overflow valve 71 is mounted on the bearing cap 21 at a position corresponding to the overflow hole 17, an inlet of the overflow valve 71 is communicated with the overflow hole 17 through a pipe, and an outlet of the overflow valve 71 is communicated with the oil tank 41 through the overflow pipe 72; when the liquid storage tank 62 corresponds to the spill port 17, the pressure in the liquid storage tank 62 is adjusted to be lower by the relief valve 71 so that the pressure in the liquid storage tank 62 corresponding to the spill port 17 becomes lower than the pressure in the liquid storage tank 62 corresponding to the liquid inlet port 14, thereby accelerating the rotation of the liquid storage tooth 61.
Referring to fig. 1 and 2, in order to facilitate adjustment of the pressure at the oil film gap 5, a pressure adjusting channel 31 is formed on the main shaft 3, the pressure adjusting channel 31 includes a main channel 311 and a branch channel 312, the main channel 311 and the branch channel 312 are both circular holes, the main channel 311 is formed coaxially with the main shaft 3, and is opened by one end of the main shaft 3; the branch channels 312 are arranged at the position where the main shaft 3 is in contact with the oil film, each sliding bearing is correspondingly provided with a plurality of branch channels 312, three branch channels are arranged in the embodiment, and the branch channels 312 are outwards opened from the main channel 311 along the radius direction of the cross section of the main shaft 3; lubricating oil is introduced into the main passage 311, the lubricating oil can be injected into the oil film gap 5 through the branch passage 312, the amount of the lubricating oil entering the oil film gap 5 through the pressure regulating passage 31 is smaller than the amount of the lubricating oil entering the oil film gap 5 through the oil filling hole 15, and the pressure regulating passage 31 has the functions of supplementing the lubricating oil to the oil film gap 5 and regulating the pressure in the oil film gap 5 so that the main shaft 3 can normally run.
Referring to fig. 1 and 2, a second pressure regulating assembly 8 is arranged at one end of the main channel 311, which is communicated with the outside, the second pressure regulating assembly 8 includes a second liquid pumping element 81, a second pressure regulating tube 82 and a rotating element 83, in this embodiment, the second liquid pumping element 81 is an oil pump, and the rotating element 83 is a high-pressure rotary joint; the oil pump is installed subaerial, and the oil pump import passes through the pipeline and communicates with oil tank 41, and the oil pump export communicates with pressure regulating pipe 82 one end, and the pressure regulating pipe 82 other end passes through high-pressure rotary joint and rotates and install on main shaft 3, starts the oil pump and can supply oil to oil film clearance 5.
The implementation principle of the cooling device for adjusting the bearing temperature is as follows: when the main shaft 3 normally runs, under the action of the first liquid pumping piece 42, lubricating oil enters the liquid storage groove 62 from the liquid inlet hole 14 and is further sprayed on the thrust surface 611, so that the lubricating oil is provided for the liquid storage groove 62, and meanwhile, power can be provided for the rotation of the liquid storage tooth 61; in addition, under the action of the relief valve 71, the pressure in the liquid storage tank 62 corresponding to the relief valve 71 is reduced, so that the liquid storage teeth 61 rotate, and the lubricating oil in the liquid storage tank 62 circularly moves along with the liquid storage teeth 61, so as to cool the bearing bush 1; when the drain hole 63 corresponding to the liquid storage tank 62 is aligned with the oil hole 15, the lubricating oil in the liquid storage tank 62 enters the oil film gap 5 from the oil hole 15 under the action of pressure to provide sufficient oil for forming an oil film, and then the lubricating oil in the oil film gap 5 is discharged outwards and used after collection; under the action of the first pumping element 42, the lubricating oil in the liquid storage groove 62 and the oil film gap 5 is continuously replaced, so that the possibility that the oil film is too high in temperature and the bearing bush 1 is damaged is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a cooling device for temperature regulation based on bearing which characterized in that: the bearing bush cooling structure comprises a cooling groove (13) arranged on a bearing bush (1) and a liquid supply assembly (4) for supplying cooling liquid to the cooling groove (13), wherein a plurality of liquid storage teeth (61) are arranged in the cooling groove (13) at intervals, a liquid storage groove (62) is formed between every two adjacent liquid storage teeth (61), and the liquid storage groove (62) is communicated with the cooling groove (13);
a plurality of liquid storage plates (6) are arranged in the cooling tank (13), at least two liquid storage teeth (61) form a group, the liquid storage teeth (61) are correspondingly arranged on the liquid storage plates (6) by taking the group as a unit, and the liquid storage plates (6) are arranged in the cooling tank (13) in a sliding manner;
the bearing is characterized in that a thrust surface (611) is arranged on the liquid storage tooth (61), a liquid inlet hole (14) which is arranged at an angle with the thrust surface (611) is formed in the bearing bush (1), the thrust surface (611) is applied with force when cooling liquid enters the liquid storage groove (62) from the liquid inlet hole (14), so that the liquid storage tooth (61) can move in the cooling groove (13), a first pressure regulating assembly (7) is arranged on the bearing support seat (2), and the first pressure regulating assembly (7) is used for regulating the pressure in the liquid storage groove (62) which is far away from the liquid inlet hole (14).
2. The cooling device for adjusting the temperature of the bearing according to claim 1, wherein: the liquid storage teeth (61) are distributed circumferentially around the axis of the bearing bush (1).
3. The cooling device for adjusting the temperature of the bearing according to claim 1, wherein: the bearing bush is characterized in that a gap between the bearing bush (1) and the main shaft (3) is an oil film gap (5), an oil filling hole (15) is formed in the bearing bush (1), two ends of the oil filling hole (15) are communicated with the cooling groove (13) and the oil film gap (5) respectively, a liquid discharging hole (63) is formed in the liquid storage plate (6) and corresponds to the oil filling hole (15), and the liquid discharging hole (63) is communicated with the liquid storage groove (62).
4. The cooling device for adjusting the temperature of the bearing according to claim 3, wherein: cooling bath (13) are the ring shape, hold liquid tooth (61) and do circular motion around the axis of cooling bath (13), just it is the major arc to hold liquid tooth (61) by the orbit that feed liquor hole (14) position removed to oiling hole (15) position.
5. The cooling device for adjusting the temperature of the bearing according to claim 4, wherein: the liquid supply assembly (4) comprises an oil tank (41), a first liquid extracting part (42) and a liquid supply pipe (43) communicated with the liquid inlet hole (14), wherein an inlet of the first liquid extracting part (42) is communicated with the oil tank (41), and an outlet of the first liquid extracting part (42) is communicated with the liquid supply pipe (43).
6. The cooling device for adjusting the temperature of the bearing according to claim 5, wherein: the bearing bush (1) is provided with an overflow hole (17) communicated with the liquid storage tank (62), the pressure regulating assembly I (7) comprises an overflow valve (71) arranged on the bearing support seat (2) and an overflow pipe (72) arranged at the outlet of the overflow valve (71), the overflow pipe (72) is communicated with the oil tank (41), and the inlet of the overflow valve (71) is communicated with the overflow hole (17).
7. The cooling device for adjusting the temperature of the bearing according to claim 6, wherein: be provided with pressure regulating passageway (31) on main shaft (3), pressure regulating passageway (31) one end and oil film clearance (5) intercommunication, be provided with on main shaft (3) and be used for pressure regulating subassembly two (8) for pressure regulating passageway (31) oil feed.
8. The cooling device for adjusting the temperature of the bearing according to claim 7, wherein: pressure regulating subassembly two (8) are including drawing liquid two (81), pressure regulating pipe (82) and rotate piece (83), the import and oil tank (41) intercommunication of drawing liquid two (81), the export and the pressure regulating pipe (82) intercommunication of drawing liquid two (81), the one end that drawing liquid two (81) were kept away from in pressure regulating pipe (82) is installed on main shaft (3) through rotating piece (83) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197916.7A CN113775659B (en) | 2021-10-14 | 2021-10-14 | Cooling device for bearing temperature adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197916.7A CN113775659B (en) | 2021-10-14 | 2021-10-14 | Cooling device for bearing temperature adjustment |
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| CN113775659A CN113775659A (en) | 2021-12-10 |
| CN113775659B true CN113775659B (en) | 2022-09-06 |
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2021
- 2021-10-14 CN CN202111197916.7A patent/CN113775659B/en active Active
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| GB1352029A (en) * | 1970-05-08 | 1974-05-15 | Skf Kugellagerfabriken Gmbh | Fluid radial bearings |
| JP2001200847A (en) * | 1999-11-08 | 2001-07-27 | Mitsubishi Heavy Ind Ltd | Bearing device and turbine |
| JP2002058207A (en) * | 2000-08-11 | 2002-02-22 | Shimadzu Corp | Motor with cooling path |
| CN101535666A (en) * | 2006-11-07 | 2009-09-16 | Bsh博世和西门子家用器具有限公司 | Gas thrust bearing and bearing bush therefor |
| US8672550B1 (en) * | 2011-08-19 | 2014-03-18 | Us Synthetic Corporation | Cooling-enhanced bearing assemblies, apparatuses, and motor assemblies using the same |
| CN202914552U (en) * | 2012-10-29 | 2013-05-01 | 方巧丽 | Sliding bearing with heat dissipation effect |
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| CN113775659A (en) | 2021-12-10 |
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