CN212376800U - Heat dissipation mechanism for gearbox of wind driven generator - Google Patents
Heat dissipation mechanism for gearbox of wind driven generator Download PDFInfo
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- CN212376800U CN212376800U CN202020631855.5U CN202020631855U CN212376800U CN 212376800 U CN212376800 U CN 212376800U CN 202020631855 U CN202020631855 U CN 202020631855U CN 212376800 U CN212376800 U CN 212376800U
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a heat dissipation mechanism for a gear box of a wind driven generator, a horizontal clapboard is fixedly arranged in an outer machine case, a water-cooling heat dissipation mechanism is arranged at the upper end of the clapboard, a heat dissipation pipe is connected on the water-cooling heat dissipation mechanism and extends downwards to the lower part of the clapboard, the gear box is arranged at the middle part of the lower end of an outer machine case, a connecting frame is fixedly connected at the lower end of the clapboard, the connecting frame is provided with two groups of heat dissipation pipes which are respectively arranged at the two sides of the gear box, the connecting frame is parallel to the side wall of the outer machine case provided with a heat dissipation port, the utility model drives the air around the gear box to rapidly circulate through two groups of heat dissipation fans, the low-temperature air dissipates the heat of the gear box, the air cooling circulation improves the heat dissipation effect of the gear, the heat dissipation efficiency and the heat dissipation effect of the gear box are ensured by synchronously carrying out air cooling and water cooling.
Description
Technical Field
The utility model relates to a gear box heat dissipation technical field, concretely relates to heat dissipation mechanism for aerogenerator gear box.
Background
The wind driven generator is an electric device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and alternating current is finally output. Its main function is that the power that produces the wind wheel under wind-force effect transmits for the generator and makes it obtain corresponding rotational speed, but, current aerogenerator gear box is after long-time work, and the gear of gear box crescent rotates and produces a large amount of heat energy to influence the working property of gear box, long-time high temperature leads to gear box inner structure to damage the life who influences the gear box, consequently need dispel the heat fast in order to improve the working property and the life of gear box to the gear box.
The publication number is: the patent of CN110375061A discloses a gear box heat dissipation system and gear with the same, compared with the present application, it cannot solve the problems proposed in the present application: the gear of current aerogenerator gear box is after long-time work, and the gear rotation of gear box crescent produces a large amount of heat energy, and the gear box radiating effect is poor to influence the working property of gear box, long-time high temperature leads to gear box inner structure to damage the life who influences the gear box, consequently need dispel the heat in order to improve the working property and the life of gear box fast to the gear box.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat dissipation mechanism for aerogenerator gear box, through the quick circulation of air around two sets of radiator fan drive gear box, the low temperature air gives off the gear box heat, and the forced air cooling circulation improves the radiating effect to the gear box, and the cooling water of the circulation of water-cooling heat dissipation mechanism inner loop simultaneously conducts the heat of gear box, and the radiating efficiency and the radiating effect of gear box are ensured with water-cooling in step to forced air cooling.
The purpose of the utility model can be realized by the following technical scheme:
a heat dissipation mechanism for a gear box of a wind driven generator comprises an outer case, a driving motor, a driving mechanism, a connecting frame, the gear box, a mounting frame, a heat dissipation fan and a guide plate, wherein a plurality of groups of first heat dissipation holes are formed in the upper portions of the left side wall and the right side wall of the outer case, heat dissipation ports are formed in the upper portions of the left side wall and the right side wall of the outer case, a plurality of groups of second heat dissipation holes are uniformly formed in the left end and the right end of the front side wall and the right end of the rear side wall of the outer case, a front cover plate is detachably mounted at the front end of the outer case, a horizontal partition plate is fixedly arranged in the outer case, a water-cooling heat dissipation mechanism is mounted at the upper end of the partition plate and connected with a heat dissipation pipe, the heat dissipation pipe extends downwards to the, the connecting frame is parallel to the side wall of the outer case provided with the heat dissipation port, the guide plates are provided with a plurality of groups and are uniformly installed on the connecting frame, each guide plate comprises a guide rotating shaft and a guide baffle, the guide rotating shafts are connected to the middle parts of the guide baffles, two ends of each guide rotating shaft are rotatably connected to the connecting frame, one end of each guide rotating shaft extends out of the connecting frame and is connected with the driving mechanism, the driving mechanism is connected to the output end of the driving motor, and the driving motor is fixedly installed on the partition plate; the heat dissipation fan is fixedly installed on the partition plate through the installation frame, the heat dissipation fan is provided with two groups and is respectively located on two sides of the gear box, the heat dissipation fan is parallel to the connection frame, and the heat dissipation fan is located between the connection frame and the gear box.
Preferably, a plurality of groups of dustproof baffles are uniformly arranged on the left inner side wall and the right inner side wall of the outer case, the dustproof baffles are positioned at the heat radiating openings and are arranged in a downward inclined mode, and one ends, close to the heat radiating openings, of the dustproof baffles are lower than one ends, close to the connecting frames.
Preferably, one end of the dustproof baffle, which is far away from the heat dissipation port, is connected with a dustproof net, and the dustproof nets are arranged at the first heat dissipation hole and the second heat dissipation hole.
Preferably, the water-cooling heat dissipation mechanism comprises a first side plate, a top plate, a third side plate, an L-shaped connecting plate, a fourth side plate, a first condenser, a circulating water tank, a water pump and a connecting pipe; the L-shaped connecting plate is provided with two groups of connecting plates which are respectively connected to the front end and the rear end of the top plate, the first side plate is fixedly connected to the lower end of the L-shaped connecting plate, the third side plate is fixedly connected to the left side of the L-shaped connecting plate, the fourth side plate is fixedly connected to the right side of the L-shaped connecting plate, circulating cooling water is filled in the circulating water tank, a water filling port is arranged at the top of the circulating water tank and located above the top plate, a water tank cover is connected to the water filling port, the water outlet of the circulating water tank is connected with the water inlet end of the water pump through the connecting pipe, the water outlet end of the water pump is connected with the water inlet end of the radiating pipe, the water outlet end of the radiating pipe is connected.
Preferably, a through hole is formed in the middle of the fourth side plate, a cooling fan is fixedly mounted on the fourth side plate, the blowing direction of the cooling fan faces the circulating water tank, and a plurality of groups of cooling through grooves are uniformly formed in the first side plate and the third side plate.
Preferably, the roof lower extreme is provided with the second condenser, the second condenser with first condenser is located respectively the circulating water tank both sides, the second condenser is intake the end and is passed through the connecting pipe with first condenser goes out the water end and links to each other, the second condenser goes out the water end and passes through the connecting pipe with circulating water tank is intake the end and is linked to each other.
Preferably, L type connecting plate includes L type base plate and side pipe, the L type base plate outside evenly is provided with a plurality of groups heat dissipation fin plate, side pipe fixed connection bestows on L type base plate is inboard, square pipe is last to be provided with inlet tube and outlet pipe, the water pump goes out water end and rear side the inlet tube on the L type connecting plate links to each other, the rear side outlet pipe on the L type connecting plate with the cooling tube end of intaking links to each other, cooling tube play water end and front end the inlet tube on the L type connecting plate links to each other, the front end the outlet pipe on the L type connecting plate passes through the connecting pipe with the first condenser end of intaking links to each other.
Preferably, actuating mechanism includes drive shaft, first helical gear and second helical gear, the drive shaft is connected the driving motor output, first helical gear fixed connection be in the drive shaft, first helical gear evenly be provided with a plurality of groups and with guide plate position corresponds with quantity, second helical gear fixed connection be in the water conservancy diversion pivot, the second helical gear with first helical gear meshing is linked.
Preferably, the two groups of cooling fans have the same blowing direction, the cooling pipe is located between the cooling fan and the gear box, and the blowing direction of the cooling pipe faces the gear box, and the cooling pipe is of a continuous S-shaped structure.
Preferably, the use method of the heat dissipation mechanism comprises the following specific steps:
the method comprises the following steps: the outer box is arranged outside the gear box, a large amount of heat energy is dissipated when the gear box works, the driving motor works to drive the driving shaft to rotate, the driving shaft drives the plurality of groups of first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears drive the diversion rotating shaft to rotate, the diversion baffle plate rotates from a vertical state to a horizontal state, and air in the outer box circulates to dissipate heat of the gear box;
step two: the working of the cooling fans drives the air in the outer machine box to circulate, the blowing directions of the two sets of cooling fans are the same, so that an air circulation channel is formed between the outer machine box and the outside air, the heat energy dissipated by the working of the gear box is dissipated along with the circulated air, and a dust screen connected to the inner side wall of the outer machine box filters dust and sundries in the air;
step three: the water pump works to pump out circulating cooling water in the circulating water tank, the cooling water flows into the radiating pipe through the L-shaped connecting plate, the radiating pipe is close to the gear box, the heat emitted by the gear box is conducted through the cooling water flowing in the radiating pipe, the cooling water with the heat flows into the first condenser through the L-shaped connecting plate, the heat of the cooling water is emitted by the radiating fin plate arranged on the L-shaped connecting plate, the cooling water enters the first condenser for refrigeration and cooling, then flows into the second condenser for further cooling, the cooled water flows back into the circulating water tank for reuse, circulating water cooling heat dissipation is carried out on the gear box, and when the circulating water tank carries out water cooling heat dissipation, the cooling fan works to blow and dissipate the first condenser, the second condenser, the circulating water tank and the water pump;
step four: when the gear box stops working, the water-cooling heat dissipation mechanism stops conducting heat dissipation work on the gear box, the heat dissipation fan stops rotating, the driving motor is driven to work to drive the driving shaft to rotate, the driving shaft drives the multiple groups of first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears drive the diversion rotating shaft to rotate, the diversion baffle plates are rotated to the vertical state from the horizontal state, and two sides of the gear box are sealed.
The utility model has the advantages that: the outer box is arranged outside the gear box, a large amount of heat energy is dissipated when the gear box works, the driving motor works to drive the driving shaft to rotate, the driving shaft drives the plurality of groups of first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears drive the diversion rotating shaft to rotate, and the diversion baffle plate is rotated from a vertical state to a horizontal state, so that the air in the outer box is ensured to be communicated with the outside air to dissipate heat of the gear box; the heat energy of the gear box is rapidly dissipated, the heat dissipation fans work to drive air in the outer box to circulate, one group of heat dissipation fans blow external cold air into the outer box, the other group of heat dissipation fans blow hot air in the outer box into the outside, the heat energy dissipated by the gear box during working is dissipated along with the circulated air, and the heat dissipation effect of the gear box is improved through air cooling circulation; when air cooling and heat dissipation are carried out, dust impurities in the outside air enter the outer machine box due to circulation of the air to influence the working performance of the gear box, and the dust impurities in the air are filtered through the dust screen connected to the inner side wall of the outer machine box, so that the purity of the air entering the outer machine box is effectively ensured;
the water pump works to pump out circulating cooling water in the circulating water tank, the cooling water flows into the radiating pipe through the L-shaped connecting plate, the radiating fin plates arranged on the L-shaped connecting plate can effectively radiate heat energy of the cooling water to ensure the low temperature of the cooling water to radiate the gear box, the radiating pipe is close to the gear box, the heat radiated by the gear box is conducted through the flowing cooling water in the radiating pipe, the high-temperature heat energy in the air conducts the cooling water in the radiating pipe through heat conduction to realize further conduction and radiation of the gear box, the cooling water with heat flows into the first condenser through the L-shaped connecting plate, the radiating fin plates arranged on the L-shaped connecting plate radiate the heat energy of the cooling water to realize the radiation of preliminary heat energy, then the cooling water enters the first condenser to be refrigerated and cooled, and then flows into the second condenser to be further cooled, the cooling water is ensured to be in a low-temperature state when flowing back into the circulating water tank, the cooled water flows back into the circulating water tank for repeated use, circulating water cooling heat dissipation of the gear box is realized, and when the circulating water tank carries out water cooling heat dissipation, the cooling fan is used for blowing and dissipating heat of the first condenser, the second condenser, the circulating water tank and the water pump; the heat energy dissipation during the internal circulation of the water-cooling heat dissipation mechanism is effectively ensured, so that the circulating water-cooling heat dissipation effect is ensured;
when the gear box stops working, the water-cooling heat dissipation mechanism stops heat dissipation work on the gear box, the heat dissipation fan stops rotating, the driving motor is driven to work to drive the driving shaft to rotate, the driving shaft drives the plurality of groups of first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears drive the flow guide rotating shafts to rotate, the flow guide baffle plates are rotated from a horizontal state to a vertical state, two sides of the gear box are sealed, the gear box is guaranteed to be stored in a sealed mode in a non-working state, and the gear box is prevented from being influenced by an external;
drive the quick circulation of air around the gear box through two sets of radiator fan, the low temperature air gives off the gear box heat, and the forced air cooling circulation improves the radiating effect to the gear box, and the cooling water of water-cooling heat dissipation mechanism inner loop circulation conducts the heat of gear box simultaneously, and forced air cooling and water-cooling guarantee the radiating efficiency and the radiating effect of gear box in step.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention in FIG. 1;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a schematic structural view of the water-cooling heat dissipation mechanism of the present invention;
figure 5 is an isometric view of figure 4 of the present invention;
fig. 6 is a schematic view of a water flow structure of the water-cooling heat dissipation mechanism of the present invention;
FIG. 7 is a schematic view of the internal structure of the water-cooling heat dissipation mechanism of the present invention;
figure 8 is an isometric view of figure 7 of the present invention;
FIG. 9 is a schematic structural view of the L-shaped connecting plate of the present invention;
fig. 10 is a schematic structural view of the driving mechanism of the present invention;
fig. 11 is a front view of the driving mechanism of the present invention;
FIG. 12 is a schematic view of the turntable structure of the present invention;
fig. 13 is a schematic structural view of the heat dissipating tube of the present invention;
fig. 14 is a schematic structural view of the connecting frame of the present invention;
in the figure: 1. an outer chassis; 101. a first heat dissipation hole; 102. a second heat dissipation hole; 103. a heat dissipation port; 104. a front cover plate; 105. a dust-proof baffle plate; 2. a partition plate; 3. a water-cooling heat dissipation mechanism; 31. a first side plate; 32. a top plate; 33. a third side plate; 34. an L-shaped connecting plate; 341. an L-shaped substrate; 342. a square tube; 343. a heat dissipation fin plate; 344. a water inlet pipe; 345. a water outlet pipe; 35. a fourth side plate; 36. a cooling fan; 37. a first condenser; 38. a second condenser; 39. a circulating water tank; 391. a water tank cover; 310. a water pump; 311. a connecting pipe; 312. a cooling through groove; 4. a radiating pipe; 5. a drive motor; 6. a dust screen; 7. a drive mechanism; 71. a drive shaft; 72. a first helical gear; 73. a second helical gear; 8. a connecting frame; 9. a gear case; 10. a mounting frame; 11. a heat radiation fan; 12. a baffle; 121. a diversion rotating shaft; 122. a diversion baffle plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-14, a heat dissipation mechanism for a gearbox of a wind turbine generator comprises an outer casing 1, a driving motor 5, a driving mechanism 7, a connecting frame 8, a gearbox 9, a mounting frame 10, a heat dissipation fan 11 and a guide plate 12, wherein a plurality of groups of first heat dissipation holes 101 are formed in the upper portions of the left and right side walls of the outer casing 1, heat dissipation ports 103 are formed in the upper portions of the left and right side walls of the outer casing 1, a plurality of groups of second heat dissipation holes 102 are uniformly formed in the left and right ends of the front and rear side walls of the outer casing 1, a front cover plate 104 is detachably mounted at the front end of the outer casing 1, a horizontal partition plate 2 is fixedly arranged in the outer casing 1, a water-cooling heat dissipation mechanism 3 is mounted at the upper end of the partition plate 2, a heat dissipation pipe 4 is connected to the water-cooling heat dissipation mechanism 3, the connecting frames 8 are provided with two groups and are respectively positioned at two sides of the gear box 9, the connecting frames 8 are parallel to the side wall of the outer case 1 provided with the heat radiating port 103, the guide plates 12 are provided with a plurality of groups and are uniformly arranged on the connecting frames 8, each guide plate 12 comprises a guide rotating shaft 121 and a guide baffle 122, the guide rotating shaft 121 is connected to the middle part of the guide baffle 122, two ends of each guide rotating shaft 121 are rotatably connected to the connecting frames 8, one end of each guide rotating shaft 121 extends out of the connecting frame 8 to be connected with the driving mechanism 7, the driving mechanism 7 is connected to the output end of the driving motor 5; radiator fan 11 passes through mounting bracket 10 fixed mounting on baffle 2, and radiator fan 11 is provided with two sets ofly and is located gear box 9 both sides respectively, and radiator fan 11 and link 8 parallel arrangement, radiator fan 11 are located between link 8 and gear box 9.
A plurality of groups of dustproof baffles 105 are uniformly arranged on the left inner side wall and the right inner side wall of the outer case 1, the dustproof baffles 105 are positioned at the heat dissipation opening 103, the dustproof baffles 105 are arranged in a downward inclined mode, and one end, close to the heat dissipation opening 103, of the dustproof baffles 105 is lower than one end, close to the connecting frame 8, of the dustproof baffles 105.
One end of the dustproof baffle 105, which is far away from the heat dissipation port 103, is connected with a dustproof net 6, and the dustproof net 6 is arranged at the positions of the first heat dissipation hole 101 and the second heat dissipation hole 102.
The water-cooling heat dissipation mechanism 3 includes a first side plate 31, a top plate 32, a third side plate 33, an L-shaped connecting plate 34, a fourth side plate 35, a first condenser 37, a circulating water tank 39, a water pump 310, and a connecting pipe 311; l type connecting plate 34 is provided with two sets and connects respectively at roof 32 front and back end, first curb plate 31 fixed connection is at L type connecting plate 34 lower extreme, third curb plate 33 fixed connection is in L type connecting plate 34 left side, fourth curb plate 35 fixed connection is in L type connecting plate 34 right side, circulating water tank 39 is equipped with recirculated cooling water in, circulating water tank 39 top is provided with the filler, the filler is located roof 32 top, be connected with tank lid 391 on the filler, circulating water tank 39 delivery port links to each other with water pump 310 intake end through connecting pipe 311, water pump 310 goes out the water end and links to each other with the cooling tube 4 intake end, the cooling tube 4 goes out the water end and links to each other with first condenser 37 intake end, first condenser 37 goes out the water end and links to each other.
A through hole is formed in the middle of the fourth side plate 35, a cooling fan 36 is fixedly mounted on the fourth side plate 35, the blowing direction of the cooling fan 36 faces the circulating water tank 39, and a plurality of groups of cooling through grooves 312 are uniformly formed in the first side plate 31 and the third side plate 33.
The lower end of the top plate 32 is provided with a second condenser 38, the second condenser 38 and the first condenser 37 are respectively positioned at two sides of the circulating water tank 39, the water inlet end of the second condenser 38 is connected with the water outlet end of the first condenser 37 through a connecting pipe 311, and the water outlet end of the second condenser 38 is connected with the water inlet end of the circulating water tank 39 through a connecting pipe 311.
The L-shaped connecting plate 34 comprises an L-shaped base plate 341 and a square tube 342, a plurality of groups of radiating fins 343 are evenly arranged on the outer side of the L-shaped base plate 341, the square tube 342 is fixedly connected to the inner side of the L-shaped base plate 341, a water inlet tube 344 and a water outlet tube 345 are arranged on the square tube 342, the water outlet end of the water pump 310 is connected with the water inlet tube 344 on the rear L-shaped connecting plate 34, the water outlet tube 345 on the rear L-shaped connecting plate 34 is connected with the water inlet end of the radiating tube 4, the water outlet end of the radiating tube 4 is connected with the water inlet tube 344 on the front L-shaped connecting plate 34, and the water outlet.
The driving mechanism 7 comprises a driving shaft 71, a first bevel gear 72 and a second bevel gear 73, the driving shaft 71 is connected to the output end of the driving motor 5, the first bevel gear 72 is fixedly connected to the driving shaft 71, the first bevel gear 72 is uniformly provided with a plurality of groups and corresponds to the positions and the number of the guide plates 12, the second bevel gear 73 is fixedly connected to the guide rotating shaft 121, and the second bevel gear 73 is meshed and connected with the first bevel gear 72.
The two sets of heat dissipation fans 11 have the same blowing direction, the heat dissipation pipe 4 is located between the heat dissipation fans 11 facing the gear box 9 and the gear box 9 in the blowing direction, and the heat dissipation pipe 4 is in a continuous S-shaped structure.
The use method of the heat dissipation mechanism comprises the following specific steps:
the method comprises the following steps: the outer case 1 is installed outside the gear box 9, a large amount of heat energy is dissipated when the gear box 9 works, the driving motor 5 works to drive the driving shaft 71 to rotate, the driving shaft 71 drives the multiple groups of first bevel gears 72 to rotate, the first bevel gears 72 drive the second bevel gears 73 to rotate, the second bevel gears 73 drive the diversion rotating shafts 121 to rotate, the diversion baffles 122 are rotated from the vertical state to the horizontal state, and air in the outer case 1 circulates to dissipate heat of the gear box 9;
step two: the heat dissipation fans 11 work to drive air in the outer case 1 to circulate, the blowing directions of the two groups of heat dissipation fans 11 are the same, so that an air circulation channel is formed between the outer case 1 and outside air, heat energy dissipated by the work of the gear box 9 is dissipated along with the circulated air, and dust screens 6 connected to the inner side wall of the outer case 1 filter dust and impurities in the air;
step three: the water pump 310 works to pump out circulating cooling water in the circulating water tank 39, the cooling water flows into the radiating pipe 4 through the L-shaped connecting plate 34, the radiating pipe 4 is close to the gear box 9, the heat dissipated by the gear box 9 is conducted through the cooling water flowing in the radiating pipe 4, the cooling water with the heat flows into the first condenser 37 through the L-shaped connecting plate 34, the heat dissipation fin plate 343 arranged on the L-shaped connecting plate 34 dissipates the heat of the cooling water, the cooling water enters the first condenser 37 for refrigerating and cooling, then flows into the second condenser 38 for further cooling, the cooled water flows back into the circulating water tank 39 for reuse, the gear box 9 is cooled and dissipated by circulating water, and when the circulating water tank 39 is cooled and dissipated by water, the cooling fan 36 works to blow and dissipate the heat of the first condenser 37, the second condenser 38, the circulating water tank 39 and the water pump 310;
step four: when the gear box 9 stops working, the water-cooling heat dissipation mechanism 3 stops performing heat dissipation work on the gear box 9, the heat dissipation fan 11 stops rotating, the driving motor 5 is driven to work to drive the driving shaft 71 to rotate, the driving shaft 71 drives the multiple groups of first bevel gears 72 to rotate, the first bevel gears 72 drive the second bevel gears 73 to rotate, the second bevel gears 73 drive the diversion rotating shafts 121 to rotate, the diversion baffles 122 are rotated to the vertical state from the horizontal state, and two sides of the gear box 9 are sealed.
When the utility model is used, the outer case 1 is arranged outside the gear box 9, a large amount of heat energy is dissipated when the gear box 9 works, the driving shaft 71 is driven to rotate by the driving motor 5, the driving shaft 71 drives the plurality of groups of first bevel gears 72 to rotate, the first bevel gears 72 drive the second bevel gears 73 to rotate, the second bevel gears 73 drive the diversion rotating shafts 121 to rotate, the diversion baffle plates 122 are rotated from the vertical state to the horizontal state, and the air circulation in the outer case 1 dissipates heat of the gear box 9; the heat dissipation fans 11 work to drive air in the outer case 1 to circulate, the blowing directions of the two groups of heat dissipation fans 11 are the same, so that an air circulation channel is formed between the outer case 1 and outside air, heat energy dissipated by the work of the gear box 9 is dissipated along with the circulated air, and dust screens 6 connected to the inner side wall of the outer case 1 filter dust and impurities in the air; the water pump 310 works to pump out circulating cooling water in the circulating water tank 39, the cooling water flows into the radiating pipe 4 through the L-shaped connecting plate 34, the radiating pipe 4 is close to the gear box 9, the heat dissipated by the gear box 9 is conducted through the cooling water flowing in the radiating pipe 4, the cooling water with the heat flows into the first condenser 37 through the L-shaped connecting plate 34, the heat dissipation fin plate 343 arranged on the L-shaped connecting plate 34 dissipates the heat of the cooling water, the cooling water enters the first condenser 37 for refrigerating and cooling, then flows into the second condenser 38 for further cooling, the cooled water flows back into the circulating water tank 39 for reuse, the gear box 9 is cooled and dissipated by circulating water, and when the circulating water tank 39 is cooled and dissipated by water, the cooling fan 36 works to blow and dissipate the heat of the first condenser 37, the second condenser 38, the circulating water tank 39 and the water pump 310; when the gear box 9 stops working, the water-cooling heat dissipation mechanism 3 stops performing heat dissipation work on the gear box 9, the heat dissipation fan 11 stops rotating, the driving motor 5 is driven to work to drive the driving shaft 71 to rotate, the driving shaft 71 drives the multiple groups of first bevel gears 72 to rotate, the first bevel gears 72 drive the second bevel gears 73 to rotate, the second bevel gears 73 drive the diversion rotating shafts 121 to rotate, the diversion baffles 122 are rotated to the vertical state from the horizontal state, and two sides of the gear box 9 are sealed.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A heat dissipation mechanism for a gear box of a wind driven generator comprises an outer case (1), a driving motor (5), a driving mechanism (7), a connecting frame (8), a gear box (9), a mounting frame (10), a heat dissipation fan (11) and a guide plate (12), and is characterized in that a plurality of groups of first heat dissipation holes (101) are formed in the upper portions of the left side wall and the right side wall of the outer case (1), heat dissipation ports (103) are formed in the upper portions of the left side wall and the right side wall of the outer case (1), a plurality of groups of second heat dissipation holes (102) are uniformly formed in the left end and the right end of the front side wall and the rear side wall of the outer case (1), a front cover plate (104) is detachably mounted at the front end of the outer case (1), a horizontal partition plate (2) is fixedly arranged in the outer case (1), a water-cooling heat, the heat dissipation pipe (4) downwards extends into the lower part of the partition board (2), the gear box (9) is positioned in the middle of the lower end of the outer case (1), the connecting frame (8) is fixedly connected with the lower end of the partition board (2), the connecting frame (8) is provided with two groups and is respectively positioned on two sides of the gear box (9), the connecting frame (8) is parallel to the side wall of the outer case (1) provided with the heat dissipation port (103), the guide plate (12) is provided with a plurality of groups and is uniformly arranged on the connecting frame (8), the guide plate (12) comprises a guide rotating shaft (121) and a guide baffle plate (122), the guide rotating shaft (121) is connected in the middle of the guide baffle plate (122), two ends of the guide rotating shaft (121) are rotatably connected on the connecting frame (8), one end of the guide rotating shaft (121) extends out the connecting frame (8) and is connected with the driving mechanism (7), the driving mechanism (7) is connected to the output end of the driving motor (5), and the driving motor (5) is fixedly arranged on the partition plate (2); radiator fan (11) pass through mounting bracket (10) fixed mounting be in on baffle (2), radiator fan (11) are provided with two sets ofly and are located respectively gear box (9) both sides, radiator fan (11) with link (8) parallel arrangement, radiator fan (11) are located link (8) with between gear box (9).
2. The heat dissipation mechanism for the gearbox of the wind driven generator according to claim 1, wherein a plurality of sets of dust-proof baffles (105) are uniformly arranged on the left inner side wall and the right inner side wall of the outer chassis (1), the dust-proof baffles (105) are positioned at the heat dissipation port (103), the dust-proof baffles (105) are arranged in a downward inclined manner, and one end of each dust-proof baffle (105) close to the heat dissipation port (103) is lower than one end close to the connecting frame (8).
3. The heat dissipation mechanism for the wind driven generator gearbox as claimed in claim 2, wherein a dust screen (6) is connected to an end of the dust baffle (105) away from the heat dissipation port (103), and the dust screen (6) is disposed at each of the first heat dissipation hole (101) and the second heat dissipation hole (102).
4. The heat dissipation mechanism for the wind generator gearbox is characterized in that the water-cooling heat dissipation mechanism (3) comprises a first side plate (31), a top plate (32), a third side plate (33), an L-shaped connecting plate (34), a fourth side plate (35), a first condenser (37), a circulating water tank (39), a water pump (310) and a connecting pipe (311); the L-shaped connecting plate (34) is provided with two groups of L-shaped connecting plates which are respectively connected with the front end and the rear end of the top plate (32), the first side plate (31) is fixedly connected with the lower end of the L-shaped connecting plate (34), the third side plate (33) is fixedly connected with the left side of the L-shaped connecting plate (34), the fourth side plate (35) is fixedly connected with the right side of the L-shaped connecting plate (34), circulating cooling water is filled in the circulating water tank (39), a water filling port is arranged at the top of the circulating water tank (39), the water filling port is positioned above the top plate (32), a water tank cover (391) is connected onto the water filling port, a water outlet of the circulating water tank (39) is connected with a water inlet end of the water pump (310) through the connecting pipe (311), a water outlet end of the water pump (310) is connected with a water inlet end of the radiating pipe (4, the water outlet end of the first condenser (37) is connected with the water inlet end of the circulating water tank (39) through the connecting pipe (311).
5. The heat dissipation mechanism for the gearbox of the wind driven generator as recited in claim 4, wherein a through hole is formed in the middle of the fourth side plate (35), a cooling fan (36) is fixedly mounted on the fourth side plate (35), the blowing direction of the cooling fan (36) faces the circulating water tank (39), and a plurality of groups of cooling through grooves (312) are uniformly formed in the first side plate (31) and the third side plate (33).
6. The heat dissipation mechanism for the gearbox of the wind driven generator as claimed in claim 4, wherein a second condenser (38) is arranged at the lower end of the top plate (32), the second condenser (38) and the first condenser (37) are respectively arranged at two sides of the circulating water tank (39), the water inlet end of the second condenser (38) is connected with the water outlet end of the first condenser (37) through the connecting pipe (311), and the water outlet end of the second condenser (38) is connected with the water inlet end of the circulating water tank (39) through the connecting pipe (311).
7. The heat dissipation mechanism for the gearbox of the wind driven generator as claimed in claim 4, wherein the L-shaped connection plate (34) comprises an L-shaped base plate (341) and a square tube (342), a plurality of groups of heat dissipation fin plates (343) are uniformly arranged on the outer side of the L-shaped base plate (341), the square tube (342) is fixedly connected to the inner side of the L-shaped base plate (341), a water inlet tube (344) and a water outlet tube (345) are arranged on the square tube (342), the water outlet end of the water pump (310) is connected with the water inlet tube (344) on the L-shaped connection plate (34) on the rear side, the water outlet tube (345) on the L-shaped connection plate (34) on the rear side is connected with the water inlet ends of the heat dissipation tubes (4), the water outlet ends of the heat dissipation tubes (4) are connected with the water inlet tubes (344) on the front end of the L-shaped connection plate (34), and the water outlet tube (345) on the front end of the L-shaped connection.
8. The heat dissipation mechanism for the wind driven generator gearbox is characterized in that the driving mechanism (7) comprises a driving shaft (71), a first bevel gear (72) and a second bevel gear (73), the driving shaft (71) is connected to the output end of the driving motor (5), the first bevel gear (72) is fixedly connected to the driving shaft (71), the first bevel gear (72) is uniformly provided with a plurality of groups and corresponds to the positions and the numbers of the guide plates (12), the second bevel gear (73) is fixedly connected to the guide rotating shaft (121), and the second bevel gear (73) is meshed and connected with the first bevel gear (72).
9. The heat dissipating mechanism for a gearbox of a wind turbine generator as claimed in claim 1, wherein the blowing directions of the two sets of heat dissipating fans (11) are the same, the heat dissipating pipe (4) is located between the heat dissipating fans (11) and the gearbox (9) facing the gearbox (9) in the blowing directions, and the heat dissipating pipe (4) has a continuous S-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631855.5U CN212376800U (en) | 2020-04-23 | 2020-04-23 | Heat dissipation mechanism for gearbox of wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631855.5U CN212376800U (en) | 2020-04-23 | 2020-04-23 | Heat dissipation mechanism for gearbox of wind driven generator |
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| Publication Number | Publication Date |
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| CN212376800U true CN212376800U (en) | 2021-01-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412118A (en) * | 2020-04-23 | 2020-07-14 | 华能新能源股份有限公司 | Heat dissipation mechanism for gearbox of wind driven generator |
| CN111412118B (en) * | 2020-04-23 | 2024-06-07 | 华能新能源股份有限公司 | Heat dissipation mechanism for wind driven generator gear box |
-
2020
- 2020-04-23 CN CN202020631855.5U patent/CN212376800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412118A (en) * | 2020-04-23 | 2020-07-14 | 华能新能源股份有限公司 | Heat dissipation mechanism for gearbox of wind driven generator |
| CN111412118B (en) * | 2020-04-23 | 2024-06-07 | 华能新能源股份有限公司 | Heat dissipation mechanism for wind driven generator gear box |
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