CN114542610B - Main bearing cooling structure - Google Patents
Main bearing cooling structure Download PDFInfo
- Publication number
- CN114542610B CN114542610B CN202210197443.9A CN202210197443A CN114542610B CN 114542610 B CN114542610 B CN 114542610B CN 202210197443 A CN202210197443 A CN 202210197443A CN 114542610 B CN114542610 B CN 114542610B
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- Prior art keywords
- heat conduction
- heat
- main bearing
- liquid
- distributor
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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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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 66
- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 239000000110 cooling liquid Substances 0.000 claims description 33
- 230000007704 transition Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The application relates to a main bearing cooling structure belongs to the field of wind power generation, and it includes the bearing body, the multiunit annular heat conduction groove has been seted up on the bearing body, be provided with on the bearing body and seal the apron of heat conduction groove, heat conduction groove and apron combination form cooling channel, be formed with on the apron with inlet and the liquid outlet of cooling channel intercommunication, be provided with feed liquor distributor and play liquid distributor on the bearing body, feed liquor distributor and all inlet intercommunication, play liquid distributor and all liquid outlet intercommunication, feed liquor distributor with all be provided with on the play liquid distributor and be used for with the ring flange of pipe connection. The main bearing has the effect of improving heat dissipation of the main bearing.
Description
Technical Field
The application relates to the field of wind power generation, in particular to a main bearing cooling structure.
Background
The main bearing of the wind driven generator is a core part of a mechanical transmission part of the wind driven generator, is used as a generator bearing, and has a bad working environment and a bad heat dissipation condition. The working play of the bearing and the degradation of accelerated grease are affected by the excessive temperature rise of the main bearing, so that the lubrication effect of the main bearing, the contact stress of the roller path and the roller and the fatigue life of the roller path are affected, and the main bearing can be disabled when serious. With the increase of the installed capacity of the wind power industry, the heat dissipation requirement of the main bearing is also higher and higher. The main bearing has the characteristics of large heat consumption, small heat dissipation surface area and large local heat source. If the problem of temperature rise of the main bearing is not effectively solved, the stable operation of the unit is affected.
In the prior art, the main bearing of the wind driven generator mainly adopts a water cooling heat dissipation mode, namely a cooling copper ring is arranged on the wall surface of an inner ring of the main bearing, and circulating cooling liquid is arranged in the cooling copper ring in a hollow mode.
In view of the above-mentioned related art, the inventors consider that in a heat dissipation method in which a cooling copper tube is mounted on an inner wall of a bearing, heat exchange between a main bearing and a cooling liquid is required to be performed through heat transfer grease between a side wall of the cooling copper tube and the main bearing, so that heat exchange efficiency is low and heat dissipation effect is poor.
Disclosure of Invention
In order to improve the radiating effect of the main bearing, the application provides a main bearing cooling structure.
The main bearing cooling structure provided by the application adopts the following technical scheme:
the utility model provides a main bearing cooling structure, includes the bearing body, the multiunit annular heat conduction groove has been seted up on the bearing body, be provided with on the bearing body and seal the apron of heat conduction groove, heat conduction groove and apron combination form cooling channel, be formed with on the apron with inlet and the liquid outlet of cooling channel intercommunication, be provided with feed liquor distributor and play liquid distributor on the bearing body, feed liquor distributor and all inlet intercommunication, play liquid distributor and all liquid outlet intercommunication, the feed liquor distributor with all be provided with the ring flange that is used for with the pipe connection on the play liquid distributor.
Through adopting above-mentioned technical scheme, directly offer the heat conduction groove on the main bearing, the coolant liquid can be direct with main bearing contact, need not the intermediate medium, and heat exchange efficiency is higher, through setting up a plurality of heat conduction grooves, can carry out heat conduction for the different positions of main bearing simultaneously, makes main bearing heat dissipation more even, and the feed liquor distributing pipe can be simultaneously with the even distribution of coolant liquid to each heat conduction inslot, further promotes radiating stability.
Optionally, at least one heat conducting piece is arranged in the heat conducting groove, the heat conducting piece is located in a region where load on the main bearing is concentrated, the heat conducting piece comprises a plurality of first heat conducting plates and flow guiding plates, the first heat conducting plates and the flow guiding plates are alternately arranged and fixedly connected, the first heat conducting plates are in contact heat conduction with the main bearing, and a heat dissipation channel for cooling liquid to pass through is formed between every two adjacent flow guiding plates.
Through adopting above-mentioned technical scheme, the load concentrated region atress of main bearing is great, and the frictional force that produces in the bearing operation process is great, leads to local heating big, through placing the heat conduction piece in the heat conduction groove of the great regional of calorific capacity, can increase the cooling and the area of contact at position that generates heat, promotes local radiating effect.
Optionally, a second heat conducting plate is arranged on one side, away from the first heat conducting plate, of the guide plate, and the second heat conducting plate is in contact with the cover plate for conducting heat.
Through adopting above-mentioned technical scheme, second heat-conducting plate and guide plate contact, the heat on the main bearing also can be through the indirect conduction of guide plate to the second heat-conducting plate on, and second heat-conducting plate direct and air contact can play passive radiating effect, promotes the radiating effect.
Optionally, the guide plate is bent in a serpentine shape in a reciprocating manner, so that the length of the heat dissipation channel is greater than that of the heat conduction piece.
Through adopting above-mentioned technical scheme, can prolong the route of coolant liquid in the heat conduction spare, make the heat on the absorption guide plate that the coolant liquid can be better to further promote local radiating effect.
Optionally, a clamping block is arranged on one side of the cover plate facing the heat dissipation groove, a clamping groove matched with the heat conducting piece is formed in the clamping block, and two ends of the clamping block are in cambered surface transition with the cover plate.
Through adopting above-mentioned technical scheme, the joint spare can play the effect of location to the heat conduction spare, avoids the heat conduction spare to take place to remove under the effect of coolant liquid in the use, has promoted holistic stability, and the circular arc transitional surface can reduce the resistance that the coolant liquid received simultaneously, under the same initial pressure, promotes the velocity of flow of coolant liquid, and then promotes the radiating effect.
Optionally, the liquid inlet distributor includes the casing, offer a plurality of with the opening that the inlet matches on the casing, be provided with on the casing and be used for adjusting the regulation subassembly of opening flow.
By adopting the technical scheme, when the heat conducting pieces are placed in part of the heat conducting grooves, the heat conducting pieces can increase the fluid resistance, so that the flow of the cooling liquid entering the corresponding heat conducting grooves is reduced, the flow of the cooling liquid with the openings can be regulated through the regulating assembly, and the flow can be kept consistent no matter whether the heat conducting pieces exist in each heat conducting groove or not; or the flow of the heat conduction groove corresponding to the area with larger heating value can be increased under the condition that the heat conduction piece is not placed, so that the heat dissipation effect is improved.
Optionally, the adjusting part is including setting up adjust the pole on the casing, adjust the pole and rotate and wear to establish on the casing, adjust the pole and be located the one end in the casing is provided with the baffle, the baffle rotates to an angle time can shelter from the opening.
By adopting the technical scheme, when the adjusting rod is rotated, the adjusting rod can drive the baffle to rotate, so that the baffle is driven to rotate, and when the superposition area of the baffle and the opening is large, the flow in the opening is small, and the flow of the cooling liquid in the corresponding cooling groove is smaller; when the overlapping area of the baffle and the opening is small, the flow in the opening is large, so that the flow of the cooling liquid in the corresponding cooling groove is large, and the cooling liquid is convenient to adjust.
Optionally, the adjusting component comprises an adjusting rod in threaded connection with the shell, one end of the adjusting rod, which is located in the shell, is provided with a current limiting block, and the current limiting block can enter the opening or be far away from the opening through forward/reverse rotation of the adjusting rod.
By adopting the technical scheme, the adjusting rod is rotated during adjustment, and can move along the axial direction under the action of the threaded fit of the adjusting rod and the shell, so that the flow limiting block is driven to enter or be far away from the opening, and when the flow limiting block enters the opening, the cross section of the opening is smaller, and the flow of the cooling liquid in the corresponding cooling groove is smaller; when the flow limiting block is far away from the opening, the cross section of the opening is larger, the flow of the cooling liquid in the corresponding cooling groove is larger, and meanwhile, the flow limiting block is not easy to move under the action of the cooling liquid, so that the stability is better.
Optionally, the main bearing is provided with a mounting groove on both sides of the heat dissipation groove, and the cover plate is located in the mounting groove.
Through adopting above-mentioned technical scheme, apron and mounting groove cooperation make the apron can be connected with the main bearing steadily, connect comparatively stably.
In summary, the present application includes at least one of the following beneficial technical effects:
the heat conduction groove is directly formed in the main bearing, cooling liquid in the heat conduction groove can be directly contacted with the main bearing, heat dissipation efficiency of the main bearing is improved, and the cooling liquid can be uniformly distributed through the liquid inlet distributor and the liquid outlet distributor, so that uniform heat dissipation is realized;
by arranging the heat conducting piece in the heat conducting groove, the contact area of the cooling and heating part can be increased, and the local heat dissipation effect is improved;
through set up adjusting part on the feed liquor distributor, can adjust open-ended coolant liquid flow through adjusting part, the compensation slows down because of placing the coolant liquid flow that the heat conduction piece leads to, makes each heat conduction inslot no matter have the heat conduction piece, and the flow can keep unanimously.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present application;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of a portion of FIG. 2A;
fig. 4 is a schematic cross-sectional structure of the position where the heat conductive member is provided in embodiment 1;
FIG. 5 is an enlarged partial schematic view of B in FIG. 4;
fig. 6 is a schematic structural view of an embodiment of the heat conductive member in example 1;
fig. 7 is a schematic structural view of another embodiment of the heat conductive member in example 1;
fig. 8 is a schematic sectional structure of embodiment 2;
fig. 9 is an enlarged partial schematic view of C in fig. 8.
Reference numerals illustrate: 1. a bearing body; 2. a heat conduction groove; 3. a mounting groove; 4. a cover plate; 5. a liquid inlet distributor; 6. a liquid outlet distributor; 7. an adjustment assembly; 71. an adjusting rod; 72. a baffle; 73. a flow-limiting block; 8. a heat conductive member; 81. a first heat-conducting plate; 82. a second heat-conducting plate; 83. a deflector; 9. and a clamping block.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-9.
The embodiment of the application discloses a main bearing cooling structure, refer to fig. 1, a main bearing cooling structure, including bearing body 1, offered a plurality of annular heat conduction grooves 2 on the bearing body 1, the central line in heat conduction groove 2 and the axis coincidence of bearing. In the present embodiment, the heat conduction groove 2 is provided on the inner ring of the bearing body 1, and in other embodiments, the heat conduction groove 2 may be provided on the outer ring of the bearing or the end face of the bearing.
Referring to fig. 2 and 3, the main bearing is provided with mounting grooves 3 on both sides of the heat dissipation groove, a cover plate 4 is arranged in the mounting grooves 3, the cover plate 4 seals the heat conduction groove 2, the heat conduction groove 2 and the cover plate 4 are combined to form a cooling channel, a liquid inlet and a liquid outlet which are communicated with the cooling channel are formed in the cover plate 4, and cooling liquid can enter the cooling channel from the liquid inlet and be discharged from the liquid outlet after absorbing heat of the main bearing.
The thickness of the cover plate 4 is consistent with the depth of the mounting groove 3, so that after the cover plate 4 is mounted in the mounting groove 3, the outer side of the cover plate 4 is flush with the inner ring of the bearing, the inner ring of the whole bearing is smooth, and the assembly and connection with other structures are not affected. The cover plate 4 is fixedly connected with the main bearing in a welding mode, so that the connection is stable, and the condition of liquid leakage is not easy to occur.
The liquid inlet and the liquid outlet on the cover plate 4 are symmetrically arranged, so that the cooling liquid entering the cooling channel from the liquid inlet can be uniformly distributed into two streams and then respectively flows out from the liquid outlet, the liquid inlet and the liquid outlet are respectively arranged at staggered intervals in the embodiment, and the liquid inlet and the liquid outlet can be respectively arranged in other embodiments. The bearing body 1 is provided with a liquid inlet distributor 5 and a liquid outlet distributor 6, the number of the liquid inlet distributors 5 is consistent with that of liquid inlets on the same cover plate 4, and the number of the liquid outlet distributors 6 is consistent with that of liquid outlets on the same cover plate 4.
The liquid inlet distributor 5 and the liquid outlet distributor 6 are respectively provided with a flange plate which is used for being connected with a pipeline, so that the liquid inlet distributor 5 can be directly connected with a liquid inlet pipeline, and the liquid outlet distributor 6 can be directly connected with a liquid outlet pipeline.
Referring to fig. 4, the friction force is large in the region where the main shaft receives a large force, the corresponding generated heat is also large, and the heat conductive member 8 is placed in the region where the generated heat flows through a large amount of heat, so that the heat conductive member 8 can increase the heat radiation efficiency of the main bearing at a local position.
Referring to fig. 5, the heat conductive member 8 includes a plurality of parallel-disposed guide plates 83, heat dissipation channels through which a cooling liquid passes are formed between adjacent guide plates 83, one side of the guide plates 83 is connected with a first heat conductive plate 81, the other side is connected with a second heat conductive plate 82, the first heat conductive plate 81 and the second heat conductive plate 82 are alternately disposed, the first heat conductive plate 81 is in contact with the main bearing, and the second heat conductive plate 82 is in contact with the cover plate 4. The heat on the main bearing can be directly conducted to the guide plate 83 through the first heat conducting plate 81 and then taken away by the cooling liquid, so that the contact area between the heat and the cooling liquid can be increased, and the heat dissipation efficiency is improved; on the other hand, heat can be conducted to the cover plate 4 through the second heat conducting plate 82, and the cover plate 4 is in contact with air to conduct passive heat dissipation, so that heat dissipation efficiency is further improved.
Referring to fig. 6, in one implementation manner of this embodiment, the guide plates 83 are straight plates, and the heat dissipation channels formed between adjacent guide plates 83 are straight lines, so as to reduce the resistance received by the coolant when flowing therethrough, and ensure the flow rate of the coolant.
Referring to fig. 7, in another embodiment, the guide plates 83 are bent in a shape similar to a "table" in a reciprocating manner, so that the heat dissipation channels formed between the adjacent guide plates 83 are bent in a reciprocating manner, so as to increase the length of the heat dissipation channels, make the length of the heat dissipation channels larger than the length of the heat conduction member 8, and further increase the heat dissipation area.
The apron 4 is provided with joint piece 9 towards one side of radiating groove, is formed with the joint groove that is used for matcing with heat conduction spare 8 on the joint piece 9, and the joint spare can play the effect of location to heat conduction spare 8, avoids heat conduction spare 8 to take place to remove under the effect of coolant liquid in the use, has promoted holistic stability. The arc transition is formed between the two ends of the clamping block 9 and the cover plate 4, the arc transition surface can reduce the resistance of the cooling liquid, and the flow velocity of the cooling liquid is improved under the same initial pressure.
Referring to fig. 3, the liquid inlet distributor 5 includes a housing, a plurality of openings matched with the liquid inlet are formed in the housing, and an adjusting component 7 for adjusting the flow of the openings is arranged on the housing. The number of the adjusting assemblies 7 on the shell is consistent with that of the openings so as to adjust the flow rate of each opening respectively.
The adjusting assembly 7 comprises an adjusting rod 71 arranged on the shell, the adjusting rod 71 is rotatably arranged on the shell in a penetrating mode, a baffle 72 is arranged at one end, located in the shell, of the adjusting rod 71, and the baffle 72 can shield an opening when rotated to an angle. When the adjusting rod 71 is rotated, the adjusting rod 71 can drive the baffle 72 to rotate, so that the baffle 72 is driven to rotate, and when the superposition area of the baffle 72 and the opening is large, the flow in the opening is small, and then the flow of the cooling liquid in the corresponding heat dissipation groove is smaller; when the overlapping area of the baffle 72 and the opening is small, the flow in the opening is large, so that the flow of the cooling liquid in the corresponding cooling groove is large, and the adjustment is convenient.
The implementation principle of the main bearing cooling structure in the embodiment of the application is as follows: when the main bearing cooling device is used, external cooling liquid can be uniformly distributed into a plurality of cooling channels through the liquid inlet distributor 5, and the cooling liquid is discharged through the liquid outlet distribution channels after absorbing the heat of the main bearing; when the local heating value of the main bearing is larger, the heat conducting piece 8 is preset in the cooling channel in the region with larger heating value to increase the heat radiating area and improve the heat radiating efficiency, because the heat conducting piece 8 in the cooling channel can increase the resistance when the cooling liquid flows through, the cooling liquid flow rate of the cooling channel provided with the heat conducting piece 8 is slowed down; in order to make the flow rate of the cooling liquid in each cooling channel uniform, the adjusting rod 71 at the opening corresponding to the cooling channel without the heat conducting member 8 can be rotated to drive the baffle 72 to rotate, so that the overlapping area of the baffle 72 and the opening is large, and the cooling liquid is subjected to the same resistance when entering the cooling channel without the heat conducting member 8, so that the flow rate of the cooling liquid in different cooling channels can be kept uniform.
Embodiment 2 referring to fig. 8 and 9, this embodiment is different from embodiment 1 in that the structure of the adjustment assembly 7 is not uniform. In this embodiment, the adjusting assembly 7 includes an adjusting rod 71 screwed on the housing, one end of the adjusting rod 71 located in the housing is provided with a flow limiting block 73, and the flow limiting block 73 can be moved into or away from the opening by forward/reverse rotation of the adjusting rod 71. When the adjusting rod 71 is rotated during adjustment, under the action of the threaded fit of the adjusting rod 71 and the shell, the adjusting rod 71 can move along the axial direction, so that the flow limiting block 73 is driven to enter or be far away from the opening, when the flow limiting block 73 enters the opening, the cross section of the opening is smaller, and the flow of the cooling liquid in the corresponding cooling groove is smaller; when the flow limiting block 73 is far away from the opening, the cross section of the opening is larger, the flow of the cooling liquid in the corresponding cooling groove is larger, and meanwhile, the flow limiting block 73 is not easy to move under the action of the cooling liquid, so that the stability is better.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. The utility model provides a main bearing cooling structure which characterized in that: the novel heat conduction bearing comprises a bearing body (1), a plurality of groups of annular heat conduction grooves (2) are formed in the bearing body (1), a cover plate (4) for sealing the heat conduction grooves (2) is arranged on the bearing body (1), a cooling channel is formed by combining the heat conduction grooves (2) with the cover plate (4), a liquid inlet and a liquid outlet which are communicated with the cooling channel are formed in the cover plate (4), a liquid inlet distributor (5) and a liquid outlet distributor (6) are arranged on the bearing body (1), the liquid inlet distributor (5) is communicated with all the liquid inlets, the liquid outlet distributor (6) is communicated with all the liquid outlets, and a flange plate which is used for being connected with a pipeline is arranged on the liquid inlet distributor (5) and the liquid outlet distributor (6); at least one heat conduction groove (2) is internally provided with a heat conduction piece (8), the heat conduction piece (8) is positioned in a region where load on the main bearing is concentrated, the heat conduction piece (8) comprises a plurality of first heat conduction plates (81) and guide plates (83), the first heat conduction plates (81) and the guide plates (83) are alternately arranged and fixedly connected, the first heat conduction plates (81) are in contact heat conduction with the main bearing, and a heat dissipation channel for cooling liquid to pass through is formed between every two adjacent guide plates (83); a second heat conducting plate (82) is arranged on one side, far away from the first heat conducting plate (81), of the guide plate (83), and the second heat conducting plate (82) is in contact heat conduction with the cover plate (4); the guide plate (83) is bent in a serpentine shape in a reciprocating manner, so that the length of the heat dissipation channel is longer than that of the heat conduction piece (8); a clamping block (9) is arranged on one side, facing the heat dissipation groove, of the cover plate (4), a clamping groove matched with the heat conduction piece (8) is formed in the clamping block (9), and cambered surface transition is formed between two ends of the clamping block (9) and the cover plate (4); the liquid inlet distributor (5) comprises a shell, a plurality of openings matched with the liquid inlet are formed in the shell, and an adjusting assembly (7) for adjusting the flow of the openings is arranged on the shell.
2. A main bearing cooling structure according to claim 1, wherein: the adjusting assembly (7) comprises an adjusting rod (71) arranged on the shell, the adjusting rod (71) is rotatably arranged on the shell in a penetrating mode, a baffle (72) is arranged at one end of the adjusting rod (71) located in the shell, and the baffle (72) can shield the opening when rotating to an angle.
3. A main bearing cooling structure according to claim 1, wherein: the adjusting assembly (7) comprises an adjusting rod (71) which is connected to the shell through threads, a current limiting block (73) is arranged at one end of the adjusting rod (71) which is located in the shell, and the current limiting block (73) can enter the opening or be far away from the opening through forward/reverse rotation of the adjusting rod (71).
4. A main bearing cooling structure according to claim 1, wherein: and mounting grooves (3) are formed in the main bearing at two sides of the heat dissipation groove, and the cover plate (4) is positioned in the mounting grooves (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210197443.9A CN114542610B (en) | 2022-03-01 | 2022-03-01 | Main bearing cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210197443.9A CN114542610B (en) | 2022-03-01 | 2022-03-01 | Main bearing cooling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114542610A CN114542610A (en) | 2022-05-27 |
| CN114542610B true CN114542610B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210197443.9A Active CN114542610B (en) | 2022-03-01 | 2022-03-01 | Main bearing cooling structure |
Country Status (1)
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| CN (1) | CN114542610B (en) |
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| Title |
|---|
| 牟志华等.《液压与气动技术》.中国铁道出版社,2020,(第3版),104-105. * |
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| Publication number | Publication date |
|---|---|
| CN114542610A (en) | 2022-05-27 |
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