CN114992311B - High-speed gear box oil leakage prevention sealing structure - Google Patents
High-speed gear box oil leakage prevention sealing structure Download PDFInfo
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- CN114992311B CN114992311B CN202210671410.3A CN202210671410A CN114992311B CN 114992311 B CN114992311 B CN 114992311B CN 202210671410 A CN202210671410 A CN 202210671410A CN 114992311 B CN114992311 B CN 114992311B
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0406—Absorption elements for lubricants, e.g. oil felts
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an oil leakage prevention sealing structure of a high-speed gear box, which relates to the technical field of high-speed gear boxes and comprises a transmission shaft and a cooling assembly, wherein a sealing box body is arranged on the outer surface of the transmission shaft, a sealing gland is connected to the left end of the sealing box body, the left end of the inside of the sealing box body is provided with the oil leakage prevention assembly, the right side of the oil leakage prevention assembly is provided with a sealing assembly, the oil leakage prevention assembly comprises a sealing frame, an oil guiding chute, an air hole, a rubber film, sliding balls and a frame, and the oil guiding chute is formed in the inner wall of the sealing frame. The invention adopts the mutually matched arrangement of the components, not only can improve the sealing of the gear box body, but also can lead out redundant lubricating oil, reduce the residue of the lubricating oil in the box body, and utilize the leakage-proof component to seal the lubricating oil layer by layer for a plurality of times to reduce leakage.
Description
Technical Field
The invention relates to the technical field of high-speed gearboxes, in particular to an oil leakage prevention sealing structure of a high-speed gearbox.
Background
The gearbox has wide application range, such as application in a wind generating set, is an important mechanical part widely applied in the wind generating set, and is quickly damaged due to too high temperature because an oil film is not formed between a rear oil seal in the paired oil seals and a shaft in the long-time running process of the gearbox and the lubricating oil in the gearbox leaks.
The leak-proof oil sealing structure of the high-speed gear box on the market has poor sealing performance, so that lubrication is leaked, redundant lubricating oil cannot be sealed in the leakage and cannot be discharged, environmental pollution is caused, and meanwhile, the leak-proof maintenance cost of the lubricating oil can be greatly increased, so that the use is influenced
Disclosure of Invention
The invention aims to provide an oil leakage prevention sealing structure of a high-speed gear box, which aims to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-speed gear box leak protection oil seal structure, includes transmission shaft and cooling module, the transmission shaft surface is provided with the seal box, just seal box left end is connected with sealing gland, the inside left end of seal box is provided with the leak protection subassembly, just leak protection subassembly right side is provided with and seals the subassembly, leak protection subassembly includes seal frame, draws oil spout, gas pocket, rubber film, slip ball and frame, just seal frame inner wall has been seted up draw oil spout, draw oil spout inner wall to have seted up the gas pocket, just gas pocket internally connected with rubber film, draw oil spout inner wall sliding connection have slip ball, just slip ball surface activity embedding has the frame, cooling module install in seal box outer surface.
Further, seal the subassembly and including sealing support, sealing washer, fender frame, oil storage tank and wet cotton, just seal the support inner wall embedding and have the sealing washer, keep off the frame connect in seal the support right side, just keep off the frame surface and seted up the oil storage tank, wet cotton install in keep off the frame is inside.
Furthermore, the oil storage tanks are distributed circumferentially relative to the surface of the baffle frame, the oil storage tanks are inclined, and an exclusion assembly is arranged on the right side of the baffle frame.
Further, the removing assembly comprises a removing frame, an oil guiding piece, an adsorption film and an oil outlet channel, the inner wall of the removing frame is connected with the oil guiding piece, the adsorption film is embedded into the surface of the oil guiding piece, and the bottom of the oil guiding piece is provided with the oil outlet channel.
Furthermore, the oil guiding piece and the discharging frame are of an integrated structure, and the surface of the oil guiding piece is of an inward concave structure.
Furthermore, a sliding bearing is arranged on the right side of the removing frame, and bearing oil seals are arranged on two sides of the sliding bearing.
Further, the cooling assembly comprises a cooling box, a circulating pump, a cooling pipe and a circulating pipe fitting, wherein the cooling box is connected with the circulating pump through the cooling pipe, and the output end of the circulating pump is connected with the circulating pipe fitting.
Further, the anti-leakage assembly further comprises a carbon fiber sealing frame, an oil storage groove and oil absorption cotton, the carbon fiber sealing frame is sleeved on the outer surface of the sealing frame, the oil storage groove is formed in the inner wall of the carbon fiber sealing frame, and the oil absorption cotton is arranged in the oil storage groove.
Further, the carbon fiber sealing frame and the sealing frame are in a concentric circle structure, and three groups of carbon fiber sealing frames and the sealing frames are arranged.
Further, the rubber film is fixedly connected with the air hole, and the rubber film is in a quarter round structure.
The invention provides an oil leakage prevention sealing structure of a high-speed gear box, which has the following beneficial effects: according to the high-speed gear box oil leakage prevention sealing structure, through the mutual matching of the plurality of components, not only can the sealing of a gear box body be improved, but also redundant lubricating oil can be led out, the residue of the lubricating oil in the gear box body is reduced, the lubricating oil is sealed layer by layer and leakage is reduced by utilizing the multiple blocking of the oil leakage prevention component, the temperature in the gear box body is reduced by utilizing the arrangement of the cooling component, and the service cycle of the gear box is prolonged by further reducing the temperature around a bearing oil seal;
1. according to the invention, through the mutual matching between the arrangement of the leakage-proof component and the sealing box body, the left end of the sealing box body is connected with the sealing gland so as to seal the sealing box body to reduce leakage, and meanwhile, the sealing frames in the leakage-proof component are equidistantly arranged at the left end of the sealing box body, so that the condition of reducing leakage of lubricating oil in the box body by layer-by-layer protection is utilized.
2. According to the invention, through the arrangement of the sealing frame, the inner wall of the sealing frame is provided with the oil guiding sliding groove and the sliding ball, and the contact and the lamination of the frame movably connected with the sliding ball and the transmission shaft are utilized, so that the friction between the transmission shaft and the sealing box body can be reduced while the transmission shaft rotates, the sliding ball is lubricated by lubricating oil on the surface of the transmission shaft through the frame during contact, the inner wall of the oil guiding sliding groove is also provided with the air hole, and the sliding ball is in extrusion contact with a rubber film on the surface of the air hole when rolling through the air hole, so that redundant lubricating oil in the oil guiding sliding groove is extruded into the air hole, and the leakage condition is reduced.
3. According to the invention, through the arrangement of the carbon fiber sealing frame on the outer surface of the sealing frame, the carbon fiber sealing frame has the characteristics of high strength and high temperature resistance, the inner wall of the carbon fiber sealing frame is communicated with the sealing frame, and when lubricating oil enters the inside of the air hole, the lubricating oil is absorbed by the oil absorbing cotton in the oil storage groove on the inner wall of the carbon fiber sealing frame, so that the leakage condition of the lubricating oil is further reduced.
4. According to the invention, through the mutual matching arrangement between the sealing assembly and the sealing box body, the sealing support in the sealing assembly is connected to the right side of the sealing frame, the inside of the sealing support is sealed by the sealing ring, meanwhile, the right side of the sealing support is additionally provided with the baffle frame, the baffle frame is used for blocking excessive lubricating oil to be thrown out during rotation, and the blocked lubricating oil is adsorbed through the oil storage tank with the inclined surface, so that the residue of the lubricating oil is reduced.
5. According to the invention, through the mutual matching arrangement between the baffle frame and the discharging assembly, excessive lubricating oil thrown out by the baffle frame is blocked to fall into the oil guiding piece on the surface of the discharging frame, the oil guiding piece is distributed in an inclined mode, and excessive lubricating oil entering the oil guiding piece flows into the oil outlet channel to be discharged through the adsorption film, so that the excessive lubricating oil is further reduced, and the oil guiding piece is distributed in an inclined mode, and meanwhile, the adsorption film is embedded in the surface of the oil guiding piece, so that the backflow of the lubricating oil can be reduced.
6. According to the invention, through the mutual matching arrangement between the cooling component and the sealing box body, the cooling liquid in the cooling box is pumped into the cooling pipe by the circulating pump and enters the circulating pipe fitting to form the circulating flow of the cooling liquid, and the circulating pipe fitting is sealed and penetrated in the sealing box body, and the circulating pump is started when the gear box works, so that the temperature in the sealing box body can be reduced through the heat exchange between the circulating pipe fitting and the cooling liquid, the temperature of the bearing oil seal can be reduced, the damage of the bearing oil seal is reduced, and the leakage of lubricating oil caused by the damage of the bearing oil seal is reduced.
Drawings
FIG. 1 is a schematic diagram of an overall cross-sectional structure of an oil leakage prevention seal structure for a high-speed gearbox of the present invention;
FIG. 2 is an enlarged schematic view of the seal structure of the high-speed gear box in FIG. 1;
FIG. 3 is a schematic top view of a leak-proof assembly of the leak-proof seal structure of the high speed gearbox of the present invention;
FIG. 4 is an enlarged schematic view of the seal structure of the high speed gear box of the present invention at B in FIG. 3;
FIG. 5 is a schematic diagram of a seal carrier cross-section of a high-speed gearbox oil leakage prevention seal structure of the present invention;
FIG. 6 is a schematic diagram of a side view of a retainer of the oil leakage prevention seal structure of the high-speed gearbox of the present invention;
FIG. 7 is a schematic diagram of a cooling assembly of the oil leakage prevention seal structure of the high speed gear box according to the present invention.
In the figure: 1. a transmission shaft; 2. sealing the box body; 3. a sealing gland; 4. a leak prevention assembly; 401. a sealing frame; 402. an oil guiding chute; 403. air holes; 404. a rubber film; 405. sliding balls; 406. building a frame; 407. a carbon fiber sealing frame; 408. an oil storage tank; 409. oil absorbing cotton; 5. sealing the assembly; 501. sealing the bracket; 502. a seal ring; 503. a baffle frame; 504. an oil storage tank; 505. wetting cotton; 6. a cooling assembly; 601. a cooling box; 602. a circulation pump; 603. a cooling tube; 604. a circulation pipe; 7. an exclusion component; 701. a removal rack; 702. an oil guiding piece; 703. an adsorption film; 704. an oil outlet channel; 8. a sliding bearing; 9. and bearing oil seals.
Detailed Description
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a high-speed gear box leak protection oil seal structure, including transmission shaft 1 and cooling module 6, transmission shaft 1 surface is provided with sealed box 2, and sealed box 2 left end is connected with gland 3, sealed box 2 inside left end is provided with leak protection subassembly 4, and leak protection subassembly 4 right side is provided with seals subassembly 5, leak protection subassembly 4 includes seal holder 401, draw oil slide groove 402, gas pocket 403, rubber film 404, slip ball 405 and frame 406, and the seal holder 401 inner wall has seted up draws oil slide groove 402, draw oil slide groove 402 inner wall has seted up gas pocket 403, and gas pocket 403 internally connected with rubber film 404, draw oil slide groove 402 inner wall sliding connection has slip ball 405, and slip ball 405 surface activity embedding has frame 406, cooling module 6 is installed in sealed box 2 surface;
the sealing device specifically comprises the following steps that through the mutual matching arrangement between the anti-leakage component 4 and the sealing box body 2, the left end of the sealing box body 2 is connected with a sealing gland 3 so as to seal the sealing box body 2 to reduce leakage, and meanwhile, a sealing frame 401 in the anti-leakage component 4 is equidistantly arranged at the left end of the sealing box body 2, so that the situation of reducing leakage of lubricating oil in the box body is protected layer by layer;
referring to fig. 1, 3, 4 and 5, the anti-leakage component 4 further includes a carbon fiber sealing frame 407, an oil storage tank 408 and oil absorbing cotton 409, wherein the carbon fiber sealing frame 407 is sleeved on the outer surface of the sealing frame 401, the oil storage tank 408 is provided on the inner wall of the carbon fiber sealing frame 407, the oil absorbing cotton 409 is provided in the oil storage tank 408, the carbon fiber sealing frame 407 and the sealing frame 401 are in a concentric circle structure, three groups of carbon fiber sealing frames 407 and the sealing frame 401 are provided, the rubber film 404 is fixedly connected with the air holes 403, and the rubber film 404 is in a quarter circle structure;
the concrete operation is that, through the arrangement of the sealing frame 401, the inner wall of the sealing frame 401 is provided with an oil guiding sliding groove 402 and a sliding ball 405, the sliding ball 405 is contacted and jointed with a transmission shaft 1 by a lapping frame 406 movably connected with the sliding ball 405, the lapping frame 406 and the sliding ball 405 are in embedded rotation connection, so that no clamping and blocking can occur during use, the friction coefficient between the sliding ball and the sealing box body 2 can be reduced, the stability is improved, the friction between the transmission shaft 1 and the sealing box body 2 can be reduced during rotation of the transmission shaft 1, the lubricating oil on the surface of the transmission shaft 1 lubricates the sliding ball 405 through the lapping frame 406 during contact, the inner wall of the oil guiding sliding groove 402 is also provided with an air hole 403, the sliding ball 405 rolls through the air hole 403 and is in extrusion contact with a rubber film 404 on the surface of the air hole 403, the rubber film 404 is formed by four groups of quarter circles, when the rubber film 404 contacts with the sliding ball 405, the rubber film 404 deforms downwards to leak the air holes 403, so that excessive lubricating oil in the oil guiding sliding groove 402 is extruded into the air holes 403, the leakage condition is reduced, and after the sliding ball 405 rolls over, the rubber film 404 resets to keep the residual lubricating oil in the oil guiding sliding groove 402, so that the lubricating ball 405 and the oil guiding sliding groove 402 can be lubricated at any time, meanwhile, through the arrangement of the carbon fiber sealing frame 407 on the outer surface of the sealing frame 401, the carbon fiber sealing frame 407 has the characteristics of high strength and high temperature resistance, the inner wall of the carbon fiber sealing frame 407 is communicated with the sealing frame 401, and when the lubricating oil enters the air holes 403, the lubricating oil is absorbed by the oil absorbing cotton 409 in the oil storing groove 408 on the inner wall of the carbon fiber sealing frame 407, and the leakage condition of the lubricating oil is further reduced;
referring to fig. 1 and 6, the sealing assembly 5 includes a sealing bracket 501, a sealing ring 502, a baffle frame 503, an oil storage tank 504 and wet cotton 505, wherein the sealing ring 502 is embedded in the inner wall of the sealing bracket 501, the baffle frame 503 is connected to the right side of the sealing bracket 501, the oil storage tank 504 is opened on the surface of the baffle frame 503, the wet cotton 505 is installed inside the baffle frame 503, the oil storage tank 504 is circumferentially distributed with respect to the surface of the baffle frame 503, the oil storage tank 504 is inclined, and the removal assembly 7 is arranged on the right side of the baffle frame 503;
the sealing assembly has the specific operation that through the mutual matching arrangement between the sealing assembly 5 and the sealing box body 2, a sealing bracket 501 in the sealing assembly 5 is connected to the right side of a sealing frame 401, the inside of the sealing bracket is sealed by a sealing ring 502, meanwhile, a baffle frame 503 is additionally arranged on the right side of the sealing bracket 501, the baffle frame 503 is used for blocking excessive lubricating oil which is thrown out during rotation, and the blocked lubricating oil is adsorbed through an oil storage tank 504 with an inclined surface, so that the residue of the lubricating oil is reduced;
referring to fig. 1 and 2, the removing assembly 7 includes a removing frame 701, an oil guiding member 702, an adsorption film 703 and an oil outlet channel 704, wherein the inner wall of the removing frame 701 is connected with the oil guiding member 702, the surface of the oil guiding member 702 is embedded with the adsorption film 703, the bottom of the oil guiding member 702 is provided with the oil outlet channel 704, the oil guiding member 702 and the removing frame 701 are in an integrated structure, the surface of the oil guiding member 702 is in an inward concave structure, the right side of the removing frame 701 is provided with a sliding bearing 8, and two sides of the sliding bearing 8 are provided with bearing oil seals 9;
the oil guide member 702 is obliquely distributed, and the excessive lubricating oil in the oil guide member 702 flows into the oil outlet channel 704 to be discharged through the adsorption film 703, so that the phenomenon that the lubricating oil flows back can be reduced, and meanwhile, the shape and structure of the adsorption film 703 on the surface of the oil guide member 702 are consistent with those of the rubber film 404, and further the phenomenon that the lubricating oil flows back can be prevented.
Referring to fig. 1 and 7, the cooling assembly 6 includes a cooling tank 601, a circulation pump 602, a cooling pipe 603, and a circulation pipe 604, wherein the cooling tank 601 is connected to the circulation pump 602 through the cooling pipe 603, and an output end of the circulation pump 602 is connected to the circulation pipe 604;
the cooling device specifically operates as follows, through the mutual cooperation setting between the cooling component 6 and the sealed box body 2, the circulation pump 602 is utilized to pump the cooling liquid in the cooling box 601 into the cooling pipe 603 and enable the cooling liquid to enter the circulation pipe 604 to form the circulation flow of the cooling liquid, the circulation pipe 604 penetrates through the inside of the sealed box body 2 in a sealing mode, and the circulation pump 602 is opened when the gearbox works, so that the temperature in the sealed box body 2 can be reduced through the heat exchange between the circulation pipe 604 and the cooling liquid, the temperature of the bearing oil seal 9 can be reduced, the damage of the bearing oil seal 9 is reduced, and the leakage of lubricating oil caused by the damage of the bearing oil seal 9 is reduced.
In summary, when the high-speed gear box oil leakage prevention sealing structure is used, firstly, the sealing gland 3 is connected to the left end of the sealing box body 2 so as to seal the sealing box body 2 to reduce leakage, meanwhile, the sealing frame 401 in the leakage prevention assembly 4 is equidistantly arranged at the left end of the sealing box body 2, the leakage of lubricating oil in the box body is reduced by layer-by-layer protection, meanwhile, through the arrangement of the sealing frame 401, the inner wall of the sealing frame 401 is provided with the oil guiding sliding groove 402 and the sliding ball 405, and the lapping frame 406 movably connected with the sliding ball 405 is in contact fit with the transmission shaft 1, the lapping frame 406 and the sliding ball 405 are in embedded rotation connection, so that jamming can not occur during use, the friction coefficient between the transmission shaft 1 and the sealing box body 2 can be reduced, the stability is improved, the friction between the transmission shaft 1 and the sealing box body 2 can be reduced, the lubricating oil on the surface of the transmission shaft 1 lubricates the sliding ball 405 through the frame 406 during contact, the inner wall of the oil guiding chute 402 is also provided with an air hole 403, the sliding ball 405 rolls through the air hole 403 and is in extrusion contact with a rubber film 404 on the surface of the air hole 403, the rubber film 404 is formed by four groups of quarter circles, the rubber film 404 deforms downwards to leak the air hole 403 when contacting with the sliding ball 405, further the excessive lubricating oil in the oil guiding chute 402 is squeezed into the air hole 403, and the rubber film 404 resets after the sliding ball 405 rolls through to keep the residual lubricating oil in the oil guiding chute 402, so that the lubricating oil can lubricate the sliding ball 405 and the oil guiding chute 402 all the time, meanwhile, the carbon fiber sealing frame 407 has high strength and high temperature resistance characteristics through the arrangement of the carbon fiber sealing frame 407 on the outer surface of the sealing frame 401, and the inner wall of the carbon fiber sealing frame 407 is communicated with the sealing frame 401, when the lubricating oil enters the air holes 403, the lubricating oil is absorbed by the oil absorbing cotton 409 in the oil storage groove 408 in the inner wall of the carbon fiber sealing frame 407, the leakage condition of the lubricating oil is further reduced, by the arrangement of the sealing component 5, the sealing support 501 in the sealing component 5 is connected to the right side of the sealing frame 401, the sealing ring 502 seals the inside of the sealing support, meanwhile, the right side of the sealing support 501 is additionally provided with a baffle frame 503, the baffle frame 503 is used for blocking the excessive lubricating oil which is thrown out during rotation, the blocked lubricating oil is absorbed by the oil storage groove 504 with an inclined surface, and simultaneously, the excessive lubricating oil is blocked by the baffle frame 503 to fall into the oil guiding piece 702 on the surface of the oil discharging frame 701, the oil guiding piece 702 is distributed in an inclined shape, and the excessive lubricating oil in the entering the oil guiding piece 702 flows into the oil discharging channel 704 through the absorbing film 703, thereby further reducing the excessive lubricating oil, because the oil guiding piece 702 is distributed in an inclined mode and the adsorption film 703 is embedded in the surface of the oil guiding piece 702, the phenomenon that lubricating oil flows back can be reduced, meanwhile, the shape structure of the adsorption film 703 on the surface of the oil guiding piece 702 is consistent with that of the rubber film 404, so that the phenomenon that oil flows back can be further prevented, finally, cooling liquid in the cooling tank 601 is pumped into the cooling pipe 603 by the circulating pump 602 and enters the circulating pipe 604 to form circulating flow of the cooling liquid, the circulating pipe 604 penetrates through the inside of the sealing box 2 in a sealing mode, the circulating pump 602 is started during operation of the gearbox, and therefore the temperature in the sealing box 2 can be reduced through heat exchange between the circulating pipe 604 and the cooling liquid, the temperature of the bearing oil seal 9 can be reduced, damage to the bearing oil seal 9 is reduced, and leakage of lubricating oil caused by damage to the bearing oil seal 9 is reduced.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a high-speed gear box leak protection oil seal structure, its characterized in that includes transmission shaft (1) and cooling module (6), transmission shaft (1) surface is provided with sealed box (2), just sealed box (2) left end is connected with gland (3), sealed box (2) inside left end is provided with leak protection subassembly (4), just leak protection subassembly (4) right side is provided with seal subassembly (5), leak protection subassembly (4) include seal frame (401), lead oil slide groove (402), gas pocket (403), rubber film (404), sliding ball (405) and scaffold (406), just seal frame (401) inner wall has been seted up lead oil slide groove (402), lead oil slide groove (402) inner wall has been seted up gas pocket (403), just gas pocket (403) internal connection have rubber film (404), lead oil slide groove (402) inner wall sliding connection has sliding ball (405), just sliding ball (405) surface activity embedding has scaffold (406), seal frame (401) are still cup jointed in carbon fiber (407) and seal frame (407) surface (409), and carbon fiber seal frame (407) inner wall has seted up oil storage groove (408), oil storage groove (408) internally mounted have oil absorption cotton (409), cooling module (6) install in seal box (2) surface.
2. The high-speed gearbox oil leakage prevention sealing structure according to claim 1, wherein the sealing assembly (5) comprises a sealing support (501), a sealing ring (502), a baffle frame (503), an oil storage tank (504) and wet cotton (505), the sealing ring (502) is embedded into the inner wall of the sealing support (501), the baffle frame (503) is connected to the right side of the sealing support (501), the oil storage tank (504) is arranged on the surface of the baffle frame (503), and the wet cotton (505) is installed inside the baffle frame (503).
3. The high-speed gear box oil leakage prevention sealing structure according to claim 2, wherein the oil storage grooves (504) are circumferentially distributed on the surface of the baffle frame (503), the oil storage grooves (504) are inclined, and an exhaust assembly (7) is arranged on the right side of the baffle frame (503).
4. A high-speed gear box oil leakage prevention sealing structure according to claim 3, wherein the discharging component (7) comprises a discharging frame (701), an oil guiding piece (702), an adsorption film (703) and an oil outlet channel (704), the oil guiding piece (702) is connected to the inner wall of the discharging frame (701), the adsorption film (703) is embedded in the surface of the oil guiding piece (702), and the oil outlet channel (704) is arranged at the bottom of the oil guiding piece (702).
5. The oil leakage prevention sealing structure of a high-speed gear box according to claim 4, wherein the oil guiding member (702) and the discharging frame (701) are in an integrated structure, and the surface of the oil guiding member (702) is in an inner concave structure.
6. The high-speed gearbox oil leakage prevention sealing structure according to claim 4, wherein a sliding bearing (8) is arranged on the right side of the removal frame (701), and bearing oil seals (9) are arranged on two sides of the sliding bearing (8).
7. The high-speed gearbox oil leakage prevention sealing structure according to claim 1, wherein the cooling assembly (6) comprises a cooling tank (601), a circulating pump (602), a cooling pipe (603) and a circulating pipe fitting (604), the cooling tank (601) is connected with the circulating pump (602) through the cooling pipe (603), and an output end of the circulating pump (602) is connected with the circulating pipe fitting (604).
8. The high-speed gearbox oil leakage prevention sealing structure according to claim 1, wherein the carbon fiber sealing frame (407) and the sealing frame (401) are in a concentric circle structure, and the carbon fiber sealing frame (407) and the sealing frame (401) are provided with three groups in total.
9. The oil leakage prevention sealing structure of a high-speed gear box according to claim 1, wherein the rubber film (404) is fixedly connected with the air hole (403), and the rubber film (404) has a quarter-round structure.
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| CN202210671410.3A CN114992311B (en) | 2022-06-14 | 2022-06-14 | High-speed gear box oil leakage prevention sealing structure |
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| CN202210671410.3A CN114992311B (en) | 2022-06-14 | 2022-06-14 | High-speed gear box oil leakage prevention sealing structure |
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| CN114992311B true CN114992311B (en) | 2023-09-12 |
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| JP2004286080A (en) * | 2003-03-20 | 2004-10-14 | Mitsubishi Electric Corp | Sealing structure of lubricating oil for motor bearing |
| JP2010121707A (en) * | 2008-11-19 | 2010-06-03 | Tsubaki Emerson Co | Oil leakage preventive structure of hollow output shaft reduction gear |
| CN106051163A (en) * | 2016-07-28 | 2016-10-26 | 郑州机械研究所 | High-speed train gearbox shaft sealing structure |
| CN206159442U (en) * | 2016-10-24 | 2017-05-10 | 南京创力传动机械有限公司 | High -power high -speed gearbox leak -proof structure |
| CN209054080U (en) * | 2018-09-29 | 2019-07-02 | 东莞市精信源智能科技有限公司 | A kind of shaft anti-oil leakage device of robot |
| CN211820671U (en) * | 2020-03-16 | 2020-10-30 | 郑州机械研究所有限公司 | Shaft end sealing device for high-speed gear box |
| CN213981929U (en) * | 2020-10-10 | 2021-08-17 | 郑州机械研究所有限公司 | High-speed gear box leak protection oil seal structure |
| CN216490024U (en) * | 2021-09-10 | 2022-05-10 | 中船重工电机科技股份有限公司 | Sealing structure of bearing chamber end cover of high-power wind driven generator |
| CN216666432U (en) * | 2021-12-01 | 2022-06-03 | 穆帅 | Sealing structure for preventing oil leakage of wind power gear box |
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|---|---|
| CN114992311A (en) | 2022-09-02 |
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