CN114526316B - Triangular gear transmission type combined sealing speed reducer - Google Patents

Triangular gear transmission type combined sealing speed reducer Download PDF

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Publication number
CN114526316B
CN114526316B CN202210170725.XA CN202210170725A CN114526316B CN 114526316 B CN114526316 B CN 114526316B CN 202210170725 A CN202210170725 A CN 202210170725A CN 114526316 B CN114526316 B CN 114526316B
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China
Prior art keywords
gear
shell
fixedly connected
shaft
sealing
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CN202210170725.XA
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Chinese (zh)
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CN114526316A (en
Inventor
厉天龙
谷志阳
薛伟
周晨
谢爱叶
项益友
项湖州
姜瑞岳
叶挺挺
张晓忠
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Zhejiang Shuntian Transmission Technology Co ltd
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Zhejiang Shuntian Transmission Technology Co ltd
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Priority to CN202210170725.XA priority Critical patent/CN114526316B/en
Publication of CN114526316A publication Critical patent/CN114526316A/en
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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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • 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
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • 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
    • 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
    • F16H57/042—Guidance of lubricant
    • F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
    • 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
    • F16H57/0458—Oil-mist or spray lubrication; Means to reduce foam formation
    • F16H57/046—Oil-mist or spray lubrication
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • Y02E10/50—Photovoltaic [PV] energy

Abstract

A triangular gear transmission type combined sealed speed reducer belongs to the technical field of speed reducers and aims to solve the problems that the overall size of the speed reducer is influenced by the arrangement mode of two groups of planetary gear sets, a large amount of lubricating liquid is needed in the speed reducer, the use cost is increased, and the sealing performance is single; according to the invention, the first gear ring is fixedly connected inside the first fixing piece, the second gear ring is rotatably connected inside the second fixing piece, the speed reducing mechanism also comprises the linkage shaft which is rotatably connected on the group of first gears, and the other end of the linkage shaft is fixedly connected in the middle of the fourth gear and extends.

Description

Triangular gear transmission type combined sealing speed reducer
Technical Field
The invention relates to the technical field of speed reducers, in particular to a triangular gear transmission type combined sealing speed reducer.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.
At present, the common speed reducer on the market utilizes multi-stage transmission to play the effect of slowing down, the planetary gear set of second grade speed reduction of using at present is in actual work, there is certain defect in the in-process mode of arranging of two sets of planetary gear sets using, and then the whole volume and the manufacturing cost of speed reducer have been enlarged, in-process for guaranteeing transmission efficiency at practical application, the inside lubricating fluid that needs a lot of speed reducer, use cost has been increased, and the leakproofness of current speed reducer is comparatively single, leakproofness direct influence its life when the speed reducer is under water operation.
To solve the above problems. Therefore, a triangular gear transmission type combined sealed speed reducer is provided.
Disclosure of Invention
The invention aims to provide a triangular gear transmission type combined sealed speed reducer, which solves the problems that in the background technology, two groups of planetary gear sets are arranged in a using process to have certain defects, so that the overall volume and the production cost of the speed reducer are enlarged, in the practical application process, in order to ensure the transmission efficiency, a large amount of lubricating liquid is needed in the speed reducer, the use cost is increased, the sealing performance of the existing speed reducer is single, and the service life of the speed reducer is directly influenced by the sealing performance when the speed reducer operates underwater.
In order to achieve the purpose, the invention provides the following technical scheme: a triangular gear transmission type combined sealed speed reducer comprises a speed reducing mechanism, a lubricating mechanism and a sealing mechanism, wherein the lubricating mechanism is arranged in the speed reducing mechanism, the sealing mechanism is arranged in the speed reducing mechanism, the speed reducing mechanism comprises a shell, and a first fixing piece and a second fixing piece which are fixedly connected to two sides of the inside of the shell, a first gear ring is fixedly connected to the inside of the first fixing piece, and a second gear ring is rotatably connected to the inside of the second fixing piece;
meshing is connected with first gear on the inner wall of first ring gear, and first gear is provided with three groups, three groups the first gear between the meshing be connected with the second gear, meshing be connected with the third gear on the second ring gear inner wall, and the third gear is provided with three groups, three groups the third gear between the meshing be connected with the fourth gear, reduction gears is still including rotating the connection and being in a set of first gear on the universal driving shaft, and the other end fixed connection of universal driving shaft is in the middle of the fourth gear and extend.
Further, the inside of first mounting and second mounting all is provided with the spacing groove, and the degree of depth of spacing groove is greater than the thickness of first ring gear and second ring gear, the outside fixedly connected with input shaft of second gear, the input shaft runs through one side of shell and extends, and the input shaft rotates with the shell to be connected, and is a set of the outside fixedly connected with output shaft of third gear, the output shaft runs through the opposite side of shell and extends, and the output shaft rotates with the shell to be connected.
Further, the lubricating mechanism comprises a linkage assembly arranged inside the shell, a compression assembly movably arranged at the bottom of the linkage assembly and a liquid spraying assembly arranged at the bottom of the compression assembly.
Furthermore, the linkage assembly comprises a rotating disc fixedly connected to the linkage shaft, a fixed shaft is fixedly connected to one side of the rotating disc close to the edge, a rotating ring is rotatably connected to the fixed shaft, a linkage rod is fixedly connected to the bottom of the rotating ring, and a rotating shaft is arranged at the bottom of the linkage rod.
Furthermore, the compression assembly comprises a compression cylinder, a piston and a movable shaft, wherein the piston is connected to the inner wall of the compression cylinder in a sliding mode, the movable shaft is fixedly connected to the top of the piston, and the linkage rod is rotatably connected with the piston through a rotating shaft.
Further, the hydrojet subassembly includes the casing of fixed connection on shell bottom inner wall, the inside of casing be provided with the inside compression cavity that link up of compression section of thick bamboo, fixedly connected with connecting cylinder on the outer wall of compression cavity, the other end fixedly connected with spray tube of connecting cylinder, the other end fixedly connected with atomizer of spray tube, evenly distributed has the shower nozzle on the atomizer, and the shower nozzle is located between first mounting and the second mounting.
Furthermore, a second movable groove and a first movable groove are respectively arranged on two sides of the inside of the shell, a second sealing plate and a first sealing plate are respectively connected inside the second movable groove and the first movable groove in a sliding mode, the second movable groove is communicated with the compression cavity through a liquid outlet, the first movable groove is communicated with the inside of the shell through a liquid inlet, liquid outlet channels communicated with the inside of the shell are uniformly distributed in the second movable groove, and liquid inlet channels communicated with the compression cavity are uniformly distributed in the first movable groove.
Further, sealing mechanism is including setting up the first seal assembly of inside both sides in the shell and setting up the second seal assembly on the outer wall of shell both sides, first seal assembly is including all setting up first external screw thread and the second external screw thread on input shaft and output shaft, and the screw thread of first external screw thread and second external screw thread revolutes opposite direction, the inside both sides of shell be provided with first external screw thread and second external screw thread between corresponding high pressure cavity, the inside top of high pressure cavity is linked together through feed liquor pipe and spray pipe.
Furthermore, a liquid outlet flow channel is arranged below the inside of the high-pressure cavity, liquid throwing rings are arranged on two sides of the inside of the shell, and the two liquid throwing rings are connected with the input shaft and the output shaft in a rotating mode respectively.
Further, the second seal assembly comprises a first fixing plate fixedly connected to the outer walls of the two sides of the shell, a bolt is connected to the first fixing plate in a threaded mode, a second fixing plate is connected to the bolt in a sliding mode, a sealing ring is arranged between the bolt and the second fixing plate, the cross section of the sealing ring is triangular, the sealing ring is connected to the outer wall of the input shaft and the outer wall of the output shaft in a rotating mode respectively, and through holes corresponding to the shapes of the sealing rings are formed in the inner sides of the first fixing plate and the second fixing plate.
Compared with the prior art, the invention has the beneficial effects that:
1. a triangular gear transmission type combined sealed speed reducer is characterized in that a motor is input through an input shaft and drives a second gear to rotate, then the second gear drives a first gear to rotate, a first gear ring is fixed inside a first fixing piece, so that the first gear revolves around the inner wall of the first gear ring while rotating, the first gear drives a fourth gear to rotate through a linkage shaft during revolution to realize speed reduction, the fourth gear drives a third gear to rotate during rotation, the second gear ring is connected with the second fixing piece in a rotating mode, an output shaft is connected to a shell in a rotating mode, so that the third gear can only rotate, the input shaft and the output shaft are located on a vertical central axis of the shell, the transmission ratio is improved, and the space is saved.
2. The utility model provides a triangle gear driven combination seal speed reducer, it rotates to drive the rolling disc when the universal driving shaft rotates, the rolling disc drives the eccentric rotation of fixed axle, and the fixed axle passes through swivel becket and gangbar drive loose axle and slides from top to bottom at the inner wall of compression section of thick bamboo, when the piston rebound, the inside of compression section of thick bamboo and compression cavity is in the negative pressure state, the second closing plate plugs up the liquid outlet in the inside of second movable groove under the influence of negative pressure this moment, inlet channel draws the inside lubricating oil of shell into the inside of compression cavity from the inlet port, when the piston compresses down, lubricating oil receives high pressure to promote first closing plate and plugs up inlet channel, the liquid outlet channel is exposed to the outside motion of second closing plate, the inside lubricating oil of compression cavity flows from outlet channel this moment, through a connecting cylinder, spray tube gets into the atomizer in and atomizes and sprays through the shower nozzle, lubricate the gear inside the shell, and it is effectual, and required lubricated oil mass is less, need not additionally set up drive arrangement in the process of spraying.
3. A triangular gear transmission type combined sealing speed reducer is characterized in that a part of lubricating oil pressurized in a liquid spraying pipe is injected into a high-pressure cavity through a liquid inlet pipe in the rotating process of an input shaft and an output shaft, and the rotating directions of first external threads and second external threads on the input shaft and the output shaft are opposite, so that the lubricating oil in the high-pressure cavity can be extruded towards the middle to form a high-pressure oil chamber in the rotating process of the input shaft and the output shaft, an oil seal is realized, the lubricating oil flows back to the inside of a shell from a liquid outlet flow passage in the extruded state, a sealing ring is tightly attached to the rotating input shaft and the rotating output shaft by extrusion under the action of a bolt, a certain sealing effect can be achieved, double sealing is realized, and the sealing effect is better.
Drawings
FIG. 1 is a schematic diagram of an overall three-dimensional structure of a triangular gear transmission type combined sealed speed reducer of the invention;
FIG. 2 is an exploded view of the overall structure of the triangular gear transmission type combined sealed speed reducer of the present invention;
FIG. 3 is an exploded view of the overall structure of the triangular gear transmission type combined sealed speed reducer of the present invention;
FIG. 4 is an exploded view of a negative pressure pump of the triangular gear transmission type combined sealed speed reducer of the present invention;
FIG. 5 is an exploded view of the filter assembly structure of the triangular gear transmission type combined sealed speed reducer of the present invention;
FIG. 6 is a schematic view of a collecting mechanism of the triangular gear transmission type combined sealed speed reducer of the present invention;
FIG. 7 is an exploded view of the clamping assembly of the triangular gear transmission type combined seal speed reducer of the present invention;
FIG. 8 is an exploded view of the negative pressure assembly structure of the triangular gear transmission type combined seal speed reducer of the present invention;
fig. 9 is an exploded view of the negative pressure assembly structure of the triangular gear transmission type combined sealed speed reducer of the present invention.
In the figure: 1. a speed reduction mechanism; 11. a housing; 12. a first fixing member; 121. a first ring gear; 122. a first gear; 123. a second gear; 124. an input shaft; 13. a second fixing member; 131. a limiting groove; 132. a second ring gear; 133. a third gear; 134. a fourth gear; 135. an output shaft; 14. a linkage shaft; 2. a lubrication mechanism; 21. a linkage assembly; 211. rotating the disc; 212. a fixed shaft; 213. a rotating ring; 214. a linkage rod; 215. a rotating shaft; 22. a compression assembly; 221. a compression cylinder; 222. a movable shaft; 223. a piston; 23. a liquid spray assembly; 231. a housing; 2311. a first movable slot; 2312. a liquid inlet; 2313. a first sealing plate; 2314. a liquid inlet channel; 2315. a second movable slot; 2316. a liquid outlet; 2317. a second sealing plate; 2318. a liquid outlet channel; 232. compressing the cavity; 233. a connecting cylinder; 234. a liquid spraying pipe; 235. an atomizer; 236. a spray head; 3. a sealing mechanism; 31. a first seal assembly; 311. a first external thread; 312. a second external thread; 313. a high pressure chamber; 3131. a liquid outlet flow passage; 314. a liquid inlet pipe; 315. a liquid throwing ring; 32. a second seal assembly; 321. a first fixing plate; 3211. a through hole; 322. a bolt; 323. a second fixing plate; 324. and (4) a sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the technical problems that the arrangement mode of two groups of planetary gear sets in the speed reducer has certain defects in the using process and further the whole volume and the production cost of the speed reducer are enlarged, the following preferred technical scheme is provided as shown in figures 1-4:
the utility model provides a triangle gear driven type combination sealed speed reducer, including reduction gears 1 and the lubricated mechanism 2 of setting in reduction gears 1, still include the sealing mechanism 3 of setting in reduction gears 1, reduction gears 1 includes shell 11 and fixed connection at the inside both sides of shell 11 first mounting 12 and second mounting 13, the inside fixedly connected with first ring gear 121 of first mounting 12, the inside rotation of second mounting 13 is connected with second ring gear 132, the meshing is connected with first gear 122 on the inner wall of first ring gear 121, and first gear 122 is provided with three groups, the meshing is connected with second gear 123 between the first gear 122 of three groups, the meshing is connected with third gear 133 on the second ring gear 132 inner wall, and third gear 133 is provided with three groups, the meshing is connected with fourth gear 134 between the third gear 133 of three groups, reduction gears 1 still includes linkage shaft 14 of rotation connection on a set of first gear 122, and the other end fixed connection of linkage shaft 14 is in the middle of fourth gear 134 and extends.
The first fixing member 12 and the second fixing member 13 are both provided with a limiting groove 131 inside, and the depth of the limiting groove 131 is greater than the thickness of the first gear ring 121 and the second gear ring 132, so that it can be ensured that the first gear 122 and the third gear 133 do not separate from the first gear ring 121 and the second gear ring 132 in the operation process, so that the transmission can be stable, the outer side of the second gear 123 is fixedly connected with the input shaft 124, the input shaft 124 penetrates through one side of the housing 11 and extends, and the input shaft 124 is rotatably connected with the housing 11, the outer side of the third gear 133 is fixedly connected with the output shaft 135, the output shaft 135 penetrates through the other side of the housing 11 and extends, and the output shaft 135 is rotatably connected with the housing 11.
Specifically, the motor is connected with the input shaft 124, the motor drives the second gear 123 to rotate when rotating, then the second gear 123 drives the first gear 122 to rotate, because the first gear ring 121 is fixedly connected inside the first fixing member 12, the first gear 122 revolves around the inner wall of the first gear ring 121 while rotating, and because the linear speeds of revolution and rotation are the same, the inner wall of the first gear ring 121 is far larger than the outer wall of the first gear 122, the revolution angular speed of the first gear (122) is far smaller than the angular speed of rotation, the first gear 122 drives the fourth gear 134 to rotate through the linkage shaft 14 when revolving, so that torque increase and speed reduction are realized, the fourth gear 134 drives the third gear 133 to rotate when rotating, because the second gear ring 132 is rotatably connected with the inside of the second fixing member 13, and the output shaft 135 is rotatably connected to the housing 11, so that the third gear 133 can only rotate.
In order to solve the technical problems that a large amount of lubricating fluid is needed in the speed reducer and the use cost is increased, as shown in fig. 5-7, the following preferable technical scheme is provided:
the lubricating mechanism 2 comprises a linkage component 21 arranged inside the shell 11 and a compression component 22 movably arranged at the bottom of the linkage component 21, and further comprises a liquid spraying component 23 arranged at the bottom of the compression component 22, the linkage component 21 comprises a rotating disc 211 fixedly connected to the linkage shaft 14, a fixed shaft 212 is fixedly connected to a position, close to the edge, of one side of the rotating disc 211, a rotating ring 213 is rotatably connected to the fixed shaft 212, a linkage rod 214 is fixedly connected to the bottom of the rotating ring 213, a rotating shaft 215 is arranged at the bottom of the linkage rod 214, the compression component 22 comprises a compression cylinder 221 and a piston 223 slidably connected to the inner wall of the compression cylinder 221, and further comprises a movable shaft 222 fixedly connected to the top of the piston 223, and the linkage rod 214 is rotatably connected with the piston 223 through the rotating shaft 215.
The liquid spraying assembly 23 comprises a shell 231 fixedly connected to the inner wall of the bottom of the shell 11, a compression cavity 232 communicated with the interior of the compression cylinder 221 is arranged in the shell 231, a connecting cylinder 233 is fixedly connected to the outer wall of the compression cavity 232, a liquid spraying pipe 234 is fixedly connected to the other end of the connecting cylinder 233, an atomizer 235 is fixedly connected to the other end of the liquid spraying pipe 234, spray heads 236 are uniformly distributed on the atomizer 235, the spray heads 236 are located between the first fixing member 12 and the second fixing member 13, a second movable groove 2315 and a first movable groove 2311 are respectively arranged on two sides of the interior of the shell 231, a second sealing plate 2317 and a first sealing plate 2313 are respectively connected in a sliding manner in the second movable groove 2315 and the first movable groove 2311, a liquid outlet passage 2318 communicated with the interior of the shell 11 is respectively distributed in the second movable groove 2315, and a liquid inlet passage 2314 communicated with the compression cavity 232 is uniformly in the first movable groove 2311.
Specifically, when the linkage shaft 14 rotates to drive the rotating disc 211 to rotate, and the rotating disc 211 drives the fixed shaft 212 to eccentrically rotate, the fixed shaft 212 moves up and down through the rotating ring 213 and the linkage rod 214, and the linkage rod 214 drives the movable shaft 222 to slide up and down on the inner wall of the compression cylinder 221, when the piston 223 moves up, the interiors of the compression cylinder 221 and the compression cavity 232 are in a negative pressure state, at this time, the second sealing plate 2317 blocks the liquid outlet 2316 in the interior of the second movable groove 2315 under the action of negative pressure, the liquid inlet channel 2314 pumps the lubricating oil in the interior of the housing 11 into the interior of the compression cavity 232 from the liquid inlet 2312, the process belongs to lubricating oil suction, when the piston 223 compresses down, the interiors of the compression cylinder 221 and the compression cavity 232 are in a high pressure state, the lubricating oil pushes the first sealing plate 2313 to block the liquid inlet channel 2314 under high pressure, the second sealing plate 2317 exposes the liquid outlet channel 2318, at this time, the lubricating oil in the interior of the compression cavity 232 flows out from the liquid outlet channel 2318, enters the atomizer 235 through the connecting cylinder 233 and the liquid spraying tube 234, and the atomizer 236, and lubricates the spray head 236 outside of the atomizer by the sprayer.
In order to solve the technical problem that the sealing performance of the existing speed reducer is single, and the service life of the speed reducer is affected by the sealing performance when the speed reducer runs underwater, as shown in fig. 8-9, the following preferable technical scheme is provided:
the sealing mechanism 3 comprises first sealing components 31 arranged on two sides inside the housing 11 and second sealing components 32 arranged on outer walls on two sides of the housing 11, each first sealing component 31 comprises a first external thread 311 and a second external thread 312 which are arranged on the input shaft 124 and the output shaft 135, the thread revolving directions of the first external thread 311 and the second external thread 312 are opposite, a space exists between the first external thread 311 and the second external thread 312, high-pressure cavities 313 corresponding to the space between the first external thread 311 and the second external thread 312 are arranged on two sides inside the housing 11, the upper inside of the high-pressure cavities 313 is communicated with the liquid spraying pipes 234 through liquid inlet pipes 314, liquid outlet flow passages 3131 are arranged below the inside of the high-pressure cavities 313, the diameter of the liquid outlet flow passages 3131 is smaller than that of the liquid inlet pipes 314, liquid throwing rings 315 are arranged on two sides inside the housing 11, and the two sets of liquid throwing rings 315 are respectively connected with the input shaft 124 and the output shaft 135 in a rotating manner.
The second sealing assembly 32 includes a first fixing plate 321 fixedly connected to the outer walls of the two sides of the housing 11, a bolt 322 is connected to the first fixing plate 321 through a thread, a second fixing plate 323 is connected to the bolt 322 through a sliding manner, a sealing ring 324 is arranged between the bolt 322 and the second fixing plate 323, the cross section of the sealing ring 324 is triangular, two sets of sealing rings 324 are rotatably connected to the outer walls of the input shaft 124 and the output shaft 135, and through holes 3211 corresponding to the shapes of the sealing rings 324 are arranged on the inner sides of the first fixing plate 321 and the second fixing plate 323.
Specifically, a part of the lubricant oil pressurized in the liquid spraying pipe 234 during the rotation of the input shaft 124 and the output shaft 135 is injected into the interior of the high-pressure cavity 313 through the liquid inlet pipe 314, because the revolving directions of the first external thread 311 and the second external thread 312 on the input shaft 124 and the output shaft 135 are opposite, the lubricant oil in the high-pressure cavity 313 can be squeezed towards the middle to form a high-pressure oil chamber during the rotation of the input shaft 124 and the output shaft 135, an oil layer is formed during the squeezing to realize oil sealing, the lubricant oil flows back to the interior of the housing 11 from the liquid outlet flow passage 3131 under the squeezing state, the sealing ring 324 is squeezed by the first fixing plate 321 and the second fixing plate 323 under the action of the bolt 322, and the sealing ring 324 can be tightly attached to the rotating input shaft 124 and the rotating output shaft 135 under the squeezing action, and a certain sealing effect can also be achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (2)

1. The utility model provides a triangle gear drive formula combination seal speed reducer, includes reduction gears (1) and sets up lubricated mechanism (2) in reduction gears (1), still including setting up sealing mechanism (3) in reduction gears (1), its characterized in that: the speed reducing mechanism (1) comprises a shell (11), a first fixing piece (12) and a second fixing piece (13), wherein the first fixing piece (12) and the second fixing piece (13) are fixedly connected to two sides in the shell (11), a first gear ring (121) is fixedly connected to the inside of the first fixing piece (12), and a second gear ring (132) is rotatably connected to the inside of the second fixing piece (13);
the inner wall of the first gear ring (121) is connected with a first gear (122) in a meshing mode, three groups of first gears (122) are arranged, a second gear (123) is connected between the three groups of first gears (122) in a meshing mode, a third gear (133) is connected on the inner wall of the second gear ring (132) in a meshing mode, the third gear (133) is provided with three groups of third gears, a fourth gear (134) is connected between the three groups of third gears (133) in a meshing mode, the speed reducing mechanism (1) further comprises a linkage shaft (14) which is rotatably connected to the first gears (122) in one group, and the other end of the linkage shaft (14) is fixedly connected to the middle of the fourth gear (134) and extends;
the lubricating mechanism (2) comprises a linkage assembly (21) arranged inside the shell (11), a compression assembly (22) movably arranged at the bottom of the linkage assembly (21), and a liquid spraying assembly (23) arranged at the bottom of the compression assembly (22);
the linkage assembly (21) comprises a rotating disc (211) fixedly connected to the linkage shaft (14), a fixed shaft (212) is fixedly connected to the position, close to the edge, of one side of the rotating disc (211), a rotating ring (213) is rotatably connected to the fixed shaft (212), a linkage rod (214) is fixedly connected to the bottom of the rotating ring (213), and a rotating shaft (215) is arranged at the bottom of the linkage rod (214);
the compression assembly (22) comprises a compression cylinder (221), a piston (223) which is connected to the inner wall of the compression cylinder (221) in a sliding mode, and a movable shaft (222) which is fixedly connected to the top of the piston (223), wherein the linkage rod (214) is connected with the piston (223) in a rotating mode through a rotating shaft (215);
the liquid spraying assembly (23) comprises a shell (231) fixedly connected to the inner wall of the bottom of the shell (11), a compression cavity (232) communicated with the interior of the compression cylinder (221) is arranged in the shell (231), a connecting cylinder (233) is fixedly connected to the outer wall of the compression cavity (232), a liquid spraying pipe (234) is fixedly connected to the other end of the connecting cylinder (233), an atomizer (235) is fixedly connected to the other end of the liquid spraying pipe (234), spray heads (236) are uniformly distributed on the atomizer (235), and the spray heads (236) are located between the first fixing piece (12) and the second fixing piece (13);
a second movable groove (2315) and a first movable groove (2311) are respectively arranged on two sides of the interior of the shell (231), a second sealing plate (2317) and a first sealing plate (2313) are respectively connected with the interiors of the second movable groove (2315) and the first movable groove (2311) in a sliding manner, the second movable groove (2315) is communicated with the compression cavity (232) through a liquid outlet (2316), the first movable groove (2311) is communicated with the interior of the shell (11) through a liquid inlet (2312), liquid outlet channels (2318) communicated with the interior of the shell (11) are uniformly distributed in the second movable groove (2315), and liquid inlet channels (2314) communicated with the compression cavity (232) are uniformly distributed in the first movable groove (2311);
the sealing mechanism (3) comprises first sealing components (31) arranged on two inner sides of the shell (11) and second sealing components (32) arranged on outer walls of two sides of the shell (11), the first sealing components (31) comprise first external threads (311) and second external threads (312) which are arranged on the input shaft (124) and the output shaft (135), the rotating directions of the threads of the first external threads (311) and the second external threads (312) are opposite, high-pressure cavities (313) corresponding to the positions between the first external threads (311) and the second external threads (312) are arranged on two inner sides of the shell (11), and the upper portions of the inner portions of the high-pressure cavities (313) are communicated with the liquid spraying pipes (234) through liquid inlet pipes (314);
a liquid outlet flow passage (3131) is arranged below the interior of the high-pressure cavity (313), liquid throwing rings (315) are arranged on two sides of the interior of the shell (11), and the two groups of liquid throwing rings (315) are respectively in rotating connection with the input shaft (124) and the output shaft (135);
second seal assembly (32) is including first fixed plate (321) of fixed connection on shell (11) both sides outer wall, threaded connection has bolt (322) on first fixed plate (321), sliding connection has second fixed plate (323) on bolt (322), is provided with sealing ring (324) between bolt (322) and second fixed plate (323), and the cross section of sealing ring (324) is triangle-shaped, two sets of sealing ring (324) rotate respectively and connect on input shaft (124) and output shaft (135) outer wall, the inboard of first fixed plate (321) and second fixed plate (323) all is provided with through-hole (3211) corresponding with sealing ring (324) shape.
2. The triangular gear transmission type combined sealed speed reducer of claim 1, characterized in that: the inner parts of the first fixing part (12) and the second fixing part (13) are respectively provided with a limiting groove (131), the depth of each limiting groove (131) is larger than the thickness of the first gear ring (121) and the thickness of the second gear ring (132), the outer side of the second gear (123) is fixedly connected with an input shaft (124), the input shaft (124) penetrates through one side of the shell (11) and extends, the input shaft (124) is rotatably connected with the shell (11), the outer side of the third gear (133) is fixedly connected with an output shaft (135), the output shaft (135) penetrates through the other side of the shell (11) and extends, and the output shaft (135) is rotatably connected with the shell (11).
CN202210170725.XA 2022-02-24 2022-02-24 Triangular gear transmission type combined sealing speed reducer Active CN114526316B (en)

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