CN113266533A - Aerogenerator gear box with heat radiation structure - Google Patents
Aerogenerator gear box with heat radiation structure Download PDFInfo
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- CN113266533A CN113266533A CN202110615011.0A CN202110615011A CN113266533A CN 113266533 A CN113266533 A CN 113266533A CN 202110615011 A CN202110615011 A CN 202110615011A CN 113266533 A CN113266533 A CN 113266533A
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- shell
- cavity
- output shaft
- air guide
- guide pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
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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
Abstract
The invention provides a wind driven generator gear box with a heat dissipation structure, which comprises a shell, an input shaft, an output shaft, a cooling shell, an air guide pipe and a circulation mechanism, wherein the shell is arranged on the input shaft; the cooling shell is arranged on the outer shell and arranged outside the output shaft, and a circulating cavity arranged around the output shaft is arranged in the cooling shell; the air guide pipe is arranged outside the output shaft and extends into the cooling shell, the air guide pipe and the output shaft are coaxially arranged, the air guide pipe is fixedly connected with the output shaft, the outer end of the air guide pipe is provided with an air inlet, the inner end of the air guide pipe is provided with an air outlet communicated with the air inlet, and the inner wall of the air guide pipe is inwards provided with a plurality of air guide ridges along the air inlet; the circulating mechanism is used for guiding oil in the installation cavity into the circulating cavity and guiding the oil in the circulating cavity into the installation cavity. The invention effectively relieves the strength reduction of teeth in a high-temperature environment, slows down the abrasion in the gear transmission process, prolongs the service life of the gear transmission, effectively reduces heat generation components of the gear transmission, and improves the heat dissipation effect of the gear transmission.
Description
Technical Field
The invention relates to the technical field of generator gear boxes, in particular to a wind driven generator gear box with a heat dissipation structure.
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. The wind power generator mainly has the function of transmitting the power generated by the wind wheel under the action of wind power to the generator and enabling the generator to obtain corresponding rotating speed.
However, after the existing wind driven generator gearbox works for a long time, gears meshed in the gearbox rotate to generate a large amount of heat energy, so that the working performance of the gearbox is affected, the internal structure of the gearbox is damaged due to long-time high temperature, the service life of the gearbox is affected, and therefore the gearbox needs to be rapidly cooled to improve the working performance and the service life of the gearbox. The existing wind driven generator gearbox heat dissipation assembly comprises an oil liquid pump, a heat dissipation fan and the like, a large amount of heat can be generated in the working process, and the heat dissipation difficulty is improved.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a wind driven generator gearbox with a heat dissipation structure.
The invention provides a wind driven generator gear box with a heat dissipation structure, which comprises a shell, an input shaft, an output shaft, a cooling shell, an air guide pipe and a circulation mechanism, wherein the shell is arranged on the input shaft; the inner part of the shell is provided with a mounting cavity which is filled with oil, the input shaft and the output shaft are both rotatably mounted on the shell, and the output shaft is in transmission fit connection with the input shaft; the cooling shell is arranged on the outer shell and arranged outside the output shaft, and a circulating cavity arranged around the output shaft is arranged in the cooling shell; the air guide pipe is arranged outside the output shaft and extends into the cooling shell, the air guide pipe and the output shaft are coaxially arranged, the air guide pipe is fixedly connected with the output shaft, the outer end of the air guide pipe is provided with an air inlet, the inner end of the air guide pipe is provided with an air outlet communicated with the air inlet, and the inner wall of the air guide pipe is inwards provided with a plurality of air guide ridges along the air inlet; the circulating mechanism is used for guiding oil in the installation cavity into the circulating cavity and guiding the oil in the circulating cavity into the installation cavity.
Preferably, the circulating mechanism comprises a rotary drum, an elliptical cavity arranged around the output shaft is arranged in the cooling shell, the rotary drum is arranged in the elliptical cavity, the central axes of the rotary drum, the elliptical cavity and the output shaft are overlapped, a connecting plate is arranged at one end, close to the shell, in the rotary drum and fixedly sleeved on the output shaft, a first sealing ring in rotating sealing fit with the inner wall of the elliptical cavity is arranged on the outer wall of one end, close to the connecting plate, of the rotary drum, a second sealing ring in rotating sealing fit with the inner wall of the elliptical cavity is arranged on the outer wall of one end, far away from the connecting plate, of the rotary drum, and the circulating cavity is formed among the rotary drum, the cooling shell, the first sealing ring and the second sealing ring; a liquid inlet hole is formed in the cooling shell close to the minor axis of the elliptical cavity, and a liquid inlet pipe communicated with the liquid inlet hole and the mounting cavity is mounted outside the cooling shell;
a plurality of limiting plates arranged along the axial direction of the rotary drum are arranged on the outer wall of the rotary drum between the first sealing ring and the second sealing ring, the plurality of limiting plates are uniformly distributed on the outer wall of the rotary drum in the circumferential direction, two ends of each limiting plate are respectively abutted against the first sealing ring and the second sealing ring, the limiting plates are provided with sliding grooves arranged along the axial direction of the rotary drum, rectangular blocks which are always in movable sealing fit with the inner wall of the elliptical cavity are arranged in the sliding grooves in a sliding mode, elastic pieces connected with the rectangular blocks are arranged in the sliding grooves, and two ends of each rectangular block are always in sealing fit with the first sealing ring and the second sealing ring; the circulation cavity is divided into a plurality of closed deformation cavities by the plurality of limiting plates, and the plurality of deformation cavities can be communicated with the liquid inlet hole; the shell is close to first seal ring position and has seted up the intercommunicating pore with the installation cavity intercommunication, has seted up a plurality of bent shape on the first seal ring and has led to the groove, and a plurality of bent shape lead to the groove respectively with a plurality of deformation chamber intercommunication and a plurality of bent shape lead to the groove all can with the intercommunicating pore intercommunication.
Preferably, the number of the liquid inlet holes is two, and the two liquid inlet holes are symmetrically arranged around the center of the oval cavity.
Preferably, two independent one-way channels are arranged in the liquid inlet pipe, the two one-way channels are respectively communicated with the two liquid inlet holes, and the two one-way channels are communicated with the installation cavity.
Preferably, the number of the limit plates is even, and the maximum distance between the two limit plates symmetrical about the center of the drum is equal to the length of the minor axis of the elliptical cavity.
Preferably, the shell comprises a first shell, a second shell and a third shell which are integrally formed, the second shell and the third shell are both arranged on one side of the first shell, the interiors of the second shell and the third shell are communicated with the interior of the first shell to form an installation cavity, one side of the first shell, which is far away from the second shell, is provided with a port, and the port is provided with an end cover in a sealing fit manner;
the input shaft is rotatably arranged on the end cover and extends into the first shell, a first gear is arranged at one end of the input shaft positioned in the first shell, a support extending into the first shell is arranged in the second shell, a plurality of circulating through grooves communicated with the interior of the first shell are formed in the support, a gear set is arranged in the support, the gear set is in transmission connection with a transmission shaft and an output shaft, the transmission shaft is in rotating fit with the support and extends into the first shell, a second gear meshed with the first gear is arranged at one end of the transmission shaft positioned in the first shell, the output shaft extends out of the second shell, and the output shaft is rotatably connected with the second shell; and the bottom end of the third shell is provided with a radiating fin.
Preferably, a first flange is installed at one end, far away from the first shell, of the second shell, a convex ring located inside the first flange is further arranged at one end, far away from the first shell, of the second shell, the convex ring is provided with an oval cross section, two communication holes communicated with the inside of the support are formed in the convex ring, and the two communication holes are symmetrically arranged around the center of the convex ring; a second flange plate is arranged at one end of the cooling shell, the first flange plate and the second flange plate are connected together through bolts, and the outer peripheral surface of the convex ring is attached to the inner wall of the elliptical cavity; the one end normal running fit cartridge that the rotary drum was equipped with the connecting plate is in the bulge loop, and first sealing ring and bulge loop normal running seal laminating.
Preferably, one end, far away from the convex ring, of the oval cavity is provided with a ring baffle plate, and the outer end face of the second sealing ring is in rotating, sealing and fitting with the inner end face of the ring baffle plate.
Preferably, a plurality of constant head tank has been seted up to bulge loop outer peripheral face circumference, and the oval intracavity wall of cooling shell is close to bulge loop one end circumference and is provided with a plurality of location arch, and a plurality of location arch joint respectively is in a plurality of constant head tank.
Preferably, the outer end of the air guide pipe is provided with an annular extending edge, the annular extending edge is provided with an arc-shaped cross section, the air guide ribs extend from the extending edge to the inside of the air guide pipe, and the air guide ribs are spirally arranged around the output shaft.
According to the wind driven generator gear box with the heat dissipation structure, the cooling shell and the circulation mechanism are arranged, the air guide pipe which rotates synchronously with the output shaft is arranged, and when the wind driven generator gear box rotates, external air is pushed to the air guide pipe and the inside of the cooling shell through the air guide ribs, so that the air inlet volume of the air guide pipe and the inside of the cooling shell is effectively increased, cooling of oil passing through the cooling shell is achieved, cooling of the speed change gear is achieved, strength reduction of teeth in a high-temperature environment is effectively relieved, abrasion in a gear transmission process is reduced, the service life of the gear transmission gear is prolonged, compared with the traditional oil pump, a heat dissipation fan and other structures, heat generation components are effectively reduced, and the heat dissipation effect of the gear transmission gear box is.
Drawings
FIG. 1 is a schematic structural view of a wind turbine gearbox with a heat dissipation structure according to the present invention;
FIG. 2 is a sectional view of a wind turbine gearbox with a heat dissipating structure according to the present invention;
FIG. 3 is a schematic structural diagram of an outer casing in a gear box of a wind turbine generator with a heat dissipation structure according to the present invention;
FIG. 4 is a schematic structural diagram of a circulation mechanism in a gearbox of a wind turbine generator with a heat dissipation structure according to the present invention;
FIG. 5 is a schematic structural diagram of a cooling housing in a gear box of a wind turbine generator with a heat dissipation structure according to the present invention;
FIG. 6 is a schematic structural diagram of a rotating drum in a gear box of a wind turbine generator with a heat dissipation structure according to the present invention;
fig. 7 is a schematic structural diagram of an air duct in a gear box of a wind turbine generator with a heat dissipation structure according to the present invention.
Detailed Description
Referring to fig. 1-7, the invention provides a wind driven generator gearbox with a heat dissipation structure, which comprises a shell 1, an input shaft 2, an output shaft 3, a cooling shell 4, an air guide pipe 5 and a circulation mechanism, wherein the shell is a hollow structure; wherein:
the shell 1 comprises a first shell 12, a second shell 13 and a third shell 14 which are integrally formed, the second shell 13 and the third shell 14 are all arranged on one side of the first shell 12, the inside of the second shell 13 and the inside of the third shell 14 are communicated with the inside of the first shell 12 to form an installation cavity, and oil is injected into the installation cavity. One side of the first shell 12, which is far away from the second shell 13, is provided with a port, and the port is provided with an end cover 15 in a sealing fit manner. Input shaft 2 rotates and installs on end cover 15 and stretches into in first casing 12, input shaft 2 is located one end in first casing 12 and installs first gear, install the support 16 that stretches into in first casing 12 in the second casing 13, set up a plurality of circulation through grooves 17 with the inside intercommunication of first casing 12 on the support 16, install gear train 18 in the support 16, transmission shaft 19 is connected in the transmission of gear train 18, output shaft 3, transmission shaft 19 rotates with support 16 to cooperate and stretches into in first casing 12, transmission shaft 19 is located one end in first casing 12 and installs the second gear with first gear engagement. The output shaft 3 extends out of the second shell 13 and the output shaft 3 is rotationally connected with the second shell 13; the bottom end of the third housing 14 is mounted with heat dissipating fins 110.
The cooling case 4 is mounted on the second housing 13 and the cooling case 4 is provided outside the output shaft 3, and a circulation chamber arranged around the output shaft 3 is provided inside the cooling case 4. The air guide pipe 5 is arranged outside the output shaft 3 and extends into the cooling shell 4, the air guide pipe 5 and the output shaft 3 are coaxially arranged, the air guide pipe 5 is fixedly connected with the output shaft 3, an air inlet is formed in the outer end of the air guide pipe 5, an air outlet communicated with the air inlet is formed in the inner end of the air guide pipe 5, and a plurality of air guide ridges 51 are inwards arranged on the inner wall of the air guide pipe 5 along the air inlet. The circulating mechanism is used for guiding oil in the installation cavity into the circulating cavity and guiding the oil in the circulating cavity into the installation cavity.
Referring to fig. 1, 2, 3, and 5, in this embodiment, a first flange 111 is installed at one end of the second casing 13 far away from the first casing 12, a protruding ring 112 located inside the first flange 111 is further disposed at one end of the second casing 13 far away from the first casing 12, the protruding ring 112 has an oval cross section, and a plurality of positioning grooves 113 are circumferentially disposed on an outer circumferential surface of the protruding ring 112. An oval cavity 41 arranged around the output shaft 3 is arranged in the cooling shell 4, a second flange plate 45 is installed at one end of the cooling shell 4, a plurality of positioning protrusions 46 are circumferentially arranged on the inner wall of the oval cavity 41 of the cooling shell 4 close to one end of the convex ring 112, and a ring baffle is arranged at one end, far away from the convex ring 112, in the oval cavity 41. The first flange 111 and the second flange 45 are connected together by bolts, the outer peripheral surface of the convex ring 112 is attached to the inner wall of the elliptical cavity 41, and the plurality of positioning protrusions 46 are respectively clamped in the plurality of positioning grooves 113.
Referring to fig. 1, 2, 4, and 6, in a specific embodiment, the circulating mechanism includes a rotating drum 6, the rotating drum 6 is disposed in the elliptical cavity 41, and one end of the rotating drum 6 is inserted into the convex ring 112 in a rotating fit manner, central axes of the rotating drum 6, the elliptical cavity 41, and the output shaft 3 coincide, a connecting plate 61 is disposed in one end of the rotating drum 6 close to the second housing 13, and the connecting plate 61 is fixedly sleeved on the output shaft 3, a first sealing ring 62 rotationally and sealingly engaged with an inner wall of the elliptical cavity 41 is disposed on an outer wall of one end of the rotating drum 6 close to the connecting plate 61, and the first sealing ring 62 is rotationally and. The outer wall of one end, far away from the connecting plate 61, of the rotary drum 6 is provided with a second sealing ring 63, the outer end face of the second sealing ring 63 is in rotating, sealing and fitting with the inner end face of the ring baffle, and the circulating cavity is formed among the rotary drum 6, the cooling shell 4, the first sealing ring 62 and the second sealing ring 63.
Referring to fig. 4 and 6, in a specific embodiment, a plurality of limiting plates 64 arranged along the axial direction of the drum 6 are arranged on the outer wall of the drum 6 between the first sealing ring 62 and the second sealing ring 63, the plurality of limiting plates 64 are uniformly distributed on the outer wall of the drum 6 in the circumferential direction, the number of the limiting plates 64 is even, and the maximum distance between two limiting plates 64 symmetrical about the center of the drum 6 is equal to the length of the minor axis of the elliptical cavity 41. The limiting plate 64 both ends lean on with first sealing ring 62, second sealing ring 63 respectively, and limiting plate 64 sets up the sliding tray 65 that sets up along the rotary drum 6 axial, and slidable mounting has the elastic component who is provided with rectangular block 66 and is connected in rectangular block 66 and the sliding tray 65 with oval 41 inner wall swing seal complex all the time in the sliding tray 65, and rectangular block 66 both ends are sealed the laminating with first sealing ring 62, second sealing ring 63 all the time. The plurality of stopper plates 64 divide the circulation chamber into a plurality of closed deformation chambers 67, and the volumes of the deformation chambers 67 are changed as the drum 6 rotates. A plurality of curved through grooves 68 are formed in the first sealing ring 62, and the plurality of curved through grooves 68 are respectively communicated with the plurality of deformation cavities 67; the convex ring 112 is provided with two communication holes 11 communicated with the inside of the bracket 16, the two communication holes 11 are symmetrically arranged relative to the center of the convex ring 112, and the two communication holes 11 can be simultaneously and respectively communicated with the two curved through grooves 68.
Referring to fig. 4 and 5, in the embodiment, two liquid inlet holes 42 are formed in the cooling shell 4 near the short axis of the elliptical cavity 41, the two liquid inlet holes 42 are symmetrically arranged about the center of the elliptical cavity 41, and the two liquid inlet holes 42 can be simultaneously and respectively communicated with the two deformation cavities 67. The cooling shell 4 externally mounted has a liquid inlet pipe 43, is provided with two independent one-way passageways 44 in the liquid inlet pipe 43, and two one-way passageways 44 communicate with two liquid inlet holes 42 respectively and two one-way passageways 44 all communicate with the installation cavity.
Referring to fig. 7, in the embodiment, the outer end of the air guiding duct 5 is provided with an annular extending edge 52, the annular extending edge 52 has an arc-shaped cross section, the air guiding ribs 51 extend from the extending edge 52 to the inside of the air guiding duct 5, and the air guiding ribs 51 are spirally arranged around the output shaft 3.
The working principle of the invention is as follows: lubricating oil is injected into an installation cavity of a using forward shell 1, an installed input shaft 2 is in transmission connection with fan blades of a wind driven generator, the rotating fan blades drive the input shaft 2 to rotate, the input shaft 2 drives an output shaft 3 to rotate through a transmission shaft 19 and a gear set 18, a rotary drum 6 and an air guide pipe 5 which are fixedly connected to the output shaft 3 realize synchronous rotation along with the output shaft 3, and the rotation direction is shown in figure 4;
as shown in fig. 4, in the process of rotation of the rotating drum 6, the rectangular block 66 is slidably mounted in the sliding groove 65 of the limiting plate 64 provided on the rotating drum 6, a spring is mounted between the rectangular block 66 and the bottom surface of the sliding groove 65, so that the surface of the rectangular block 66 slides along the inner wall of the elliptical cavity 41, the volume of the deformation cavity 67 changes along with the rotation of the rotating drum 6, the air pressure inside the cavity decreases along with the gradual increase of the volume of the cavity, the lubricating oil inside the housing 1 sequentially enters the deformation cavity 67 through the communicating pipe 43 and the liquid inlet hole 42, the volume of the deformation cavity 67 decreases gradually after the deformation cavity 67 is separated from the liquid inlet hole 42, and the next deformation cavity 67 rotates to the liquid inlet hole 42 to realize oil inlet; because the volume of the deformation cavity 67 is gradually reduced to cause the increase of the internal pressure, when the deformation cavity 67 is communicated with the communication hole 11, the oil in the deformation cavity 67 sequentially passes through the curved through groove 68 and the communication hole 11 to enter the bracket 16, and then enters the installation cavity through the circulating through groove 17 to realize the circulating motion of the oil;
at guide duct 5 pivoted in-process, promote outside air to guide duct 5's inside through wind-guiding arris 51, thereby effectual increase guide duct 5, the inside intake of rotary drum 6, the realization is to the cooling through the interior fluid of deformation chamber 67, thereby the realization is to change gear's cooling, the effectual intensity decline of alleviating tooth in the high temperature environment, slow down the wearing and tearing of gear drive in-process, increase its life, compare in traditional fluid pump and radiator fan isotructure, its heat generation subassembly of effectual reduction, the radiating effect is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A wind driven generator gearbox with a heat dissipation structure is characterized by comprising a shell (1), an input shaft (2), an output shaft (3), a cooling shell (4), an air guide pipe (5) and a circulation mechanism; an installation cavity is arranged in the shell (1) and is filled with oil, the input shaft (2) and the output shaft (3) are rotatably arranged on the shell (1), and the output shaft (3) is in transmission fit connection with the input shaft (2); the cooling shell (4) is arranged on the shell (1), the cooling shell (4) is arranged outside the output shaft (3), and a circulating cavity arranged around the output shaft (3) is arranged in the cooling shell (4); the air guide pipe (5) is arranged outside the output shaft (3) and extends into the cooling shell (4), the air guide pipe (5) and the output shaft (3) are coaxially arranged, the air guide pipe (5) is fixedly connected with the output shaft (3), the outer end of the air guide pipe (5) is provided with an air inlet, the inner end of the air guide pipe is provided with an air outlet communicated with the air inlet, and the inner wall of the air guide pipe (5) is inwards provided with a plurality of air guide ridges (51) along the air inlet; the circulating mechanism is used for guiding oil in the installation cavity into the circulating cavity and guiding the oil in the circulating cavity into the installation cavity.
2. The wind driven generator gearbox with the heat dissipation structure according to claim 1, wherein the circulation mechanism comprises a rotary drum (6), an oval cavity (41) arranged around the output shaft (3) is arranged in the cooling shell (4), the rotary drum (6) is arranged in the oval cavity (41), the rotary drum (6), the oval cavity (41) and the central axis of the output shaft (3) are overlapped, a connecting plate (61) is arranged in the rotary drum (6) close to one end of the shell (1), the connecting plate (61) is fixedly sleeved on the output shaft (3), a first sealing ring (62) in rotating sealing fit with the inner wall of the oval cavity (41) is arranged on the outer wall of one end of the rotary drum (6) close to the connecting plate (61), a second sealing ring (63) in rotating sealing fit with the inner wall of the oval cavity (41) is arranged on the outer wall of one end of the rotary drum (6) far away from the connecting plate (61), and the rotary drum (6) and the cooling shell (4) are provided with the second sealing ring (63), The circulation cavity is formed between the first sealing ring (62) and the second sealing ring (63); a liquid inlet hole (42) is formed in the cooling shell (4) close to the short axis of the elliptical cavity (41), and a liquid inlet pipe (43) communicated with the liquid inlet hole (42) and the installation cavity is installed outside the cooling shell (4);
the outer wall of the rotary drum (6) is positioned between the first sealing ring (62) and the second sealing ring (63) and is provided with a plurality of limiting plates (64) which are arranged along the axial direction of the rotary drum (6), the limiting plates (64) are uniformly distributed in the circumferential direction of the outer wall of the rotary drum (6), two ends of each limiting plate (64) are respectively abutted against the first sealing ring (62) and the second sealing ring (63), the limiting plates (64) are provided with sliding grooves (65) which are arranged along the axial direction of the rotary drum (6), rectangular blocks (66) which are always in movable sealing fit with the inner wall of the elliptical cavity (41) are arranged in the sliding grooves (65) in a sliding mode, elastic parts connected with the rectangular blocks (66) are arranged in the sliding grooves (65), and two ends of each rectangular block are always in sealing fit with the first sealing ring and the second sealing ring; the circulation cavity is divided into a plurality of closed deformation cavities (67) by a plurality of limiting plates (64), and the deformation cavities (67) are communicated with the liquid inlet hole (42); the communicating hole (11) that communicates with the installation cavity has been seted up near first sealing ring (62) position in shell (1), has seted up a plurality of bent shape logical grooves (68) on first sealing ring (62), and a plurality of bent shape logical grooves (68) communicate with a plurality of deformation chamber (67) respectively and a plurality of bent shape logical grooves (68) all can communicate with communicating hole (11).
3. The wind turbine gearbox with the heat dissipation structure as recited in claim 2, wherein the number of the liquid inlet holes (42) is two and the two liquid inlet holes (42) are symmetrically arranged about the center of the oval chamber (41).
4. The wind turbine gearbox with the heat dissipation structure as recited in claim 3, wherein two independent one-way passages (44) are provided in the liquid inlet pipe (43), the two one-way passages (44) are respectively communicated with the two liquid inlet holes (42), and both the two one-way passages (44) are communicated with the installation cavity.
5. The wind-driven generator gearbox with heat dissipation structure according to any one of claims 2-4, characterized in that the number of the limit plates (64) is an even number, and the maximum distance between two limit plates (64) that are symmetrical about the center of the rotating drum (6) is equal to the length of the minor axis of the elliptical cavity (41).
6. The wind turbine gearbox with the heat dissipation structure as recited in any one of claims 2 to 4, wherein the outer shell (1) comprises a first shell (12), a second shell (13) and a third shell (14) which are integrally formed, the second shell (13) and the third shell (14) are both arranged on one side of the first shell (12), the interiors of the second shell (13) and the third shell (14) are communicated with the interior of the first shell (12) to form a mounting cavity, a port is arranged on one side, away from the second shell (13), of the first shell (12), and an end cover (15) is mounted at the port in a sealing fit manner;
the input shaft (2) is rotatably arranged on the end cover (15) and extends into the first shell (12), one end of the input shaft (2) positioned in the first shell (12) is provided with a first gear, the second shell (13) is internally provided with a bracket (16) extending into the first shell (12), the bracket (16) is provided with a plurality of circulating through grooves (17) communicated with the inside of the first shell (12), the bracket (16) is internally provided with a gear set (18), the gear set (18) is in transmission connection with a transmission shaft (19), the transmission shaft (19) is rotationally matched with the support (16) and extends into the first shell (12), a second gear meshed with the first gear is installed at one end, located in the first shell (12), of the transmission shaft (19), the output shaft (3) penetrates through the second shell (13) to extend out, and the output shaft (3) is rotationally connected with the second shell (13); the bottom end of the third shell (14) is provided with a radiating fin (110).
7. The wind driven generator gearbox with the heat dissipation structure as recited in claim 6, wherein a first flange (111) is installed at one end of the second shell (13) far away from the first shell (12), a convex ring (112) located inside the first flange (111) is further arranged at one end of the second shell (13) far away from the first shell (12), the convex ring (112) has an oval cross section, two communication holes (11) communicated with the inside of the bracket (16) are formed in the convex ring (112), and the two communication holes (11) are symmetrically arranged about the center of the convex ring (112); a second flange plate (45) is installed at one end of the cooling shell (4), the first flange plate (111) and the second flange plate (45) are connected together through bolts, and the outer peripheral surface of the convex ring (112) is attached to the inner wall of the elliptical cavity (41); one end of the rotary drum (6) provided with the connecting plate (61) is inserted in the convex ring (112) in a rotating fit manner, and the first sealing ring (62) is attached to the convex ring (112) in a rotating sealing manner.
8. The wind driven generator gearbox with the heat dissipation structure as recited in claim 7, wherein a ring baffle is arranged at one end of the oval cavity (41) far away from the convex ring (112), and the outer end face of the second sealing ring (63) is in rotary sealing fit with the inner end face of the ring baffle.
9. The wind driven generator gearbox with the heat dissipation structure as recited in claim 7, wherein a plurality of positioning grooves (113) are circumferentially formed on the outer peripheral surface of the convex ring (112), a plurality of positioning protrusions (46) are circumferentially arranged on the inner wall of the elliptical cavity (41) of the cooling shell (4) near one end of the convex ring (112), and the plurality of positioning protrusions (46) are respectively clamped in the plurality of positioning grooves (113).
10. The wind power generator gearbox with the heat dissipation structure as recited in any one of claims 1 to 4, wherein the outer end of the air guide pipe (5) is provided with an annular extending edge (52), the annular extending edge (52) has an arc-shaped cross section, the air guide ribs (51) extend from the extending edge (52) to the inside of the air guide pipe (5), and the air guide ribs (51) are spirally arranged around the output shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110615011.0A CN113266533A (en) | 2021-06-02 | 2021-06-02 | Aerogenerator gear box with heat radiation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110615011.0A CN113266533A (en) | 2021-06-02 | 2021-06-02 | Aerogenerator gear box with heat radiation structure |
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| CN113266533A true CN113266533A (en) | 2021-08-17 |
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| CN202110615011.0A Withdrawn CN113266533A (en) | 2021-06-02 | 2021-06-02 | Aerogenerator gear box with heat radiation structure |
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Application publication date: 20210817 |