CN110345200A - A kind of tubular motor reducer - Google Patents
A kind of tubular motor reducer Download PDFInfo
- Publication number
- CN110345200A CN110345200A CN201910485121.2A CN201910485121A CN110345200A CN 110345200 A CN110345200 A CN 110345200A CN 201910485121 A CN201910485121 A CN 201910485121A CN 110345200 A CN110345200 A CN 110345200A
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- Prior art keywords
- gear
- ring
- barrel shell
- planetary reduction
- stand
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0408—Exchange, draining or filling of transmission lubricant
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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
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
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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
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0436—Pumps
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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
- F16H57/0463—Grease lubrication; Drop-feed lubrication
- F16H57/0464—Grease lubrication
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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
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0479—Gears or bearings on planet carriers
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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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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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
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
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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
- F16H2001/289—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two or more coaxial and identical sets of orbital gears, e.g. for distributing torque between the coaxial sets
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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
- F16H2001/327—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 with orbital gear sets comprising an internally toothed ring gear
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H2057/085—Bearings for orbital gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to retarder fields, and in particular to a kind of tubular motor reducer includes barrel shell, front cover, rear cover, input shaft, output shaft and gear pump；Barrel shell is horizontally disposed, and multiple planetary reduction gears are equipped with inside barrel shell, and gear pump and each planetary reduction gear correspond, and gear pump is mounted on the side of planetary reduction gear and is sequentially connected with planetary reduction gear；Barrel shell bottom end is provided with the oil return line of connection barrel shell interior forward end and barrel shell Internal back end；The retarder flows the lubrication oil circulation inside barrel shell by gear pump, reduce the amount of the lubricating oil or lubricating grease that add inside barrel shell, to the resistance that gear is subject to when reducing tube shaped electric machine operating, the service life of retarder is extended, and can add or replace its internal lubricating oil without disassembling retarder.
Description
Technical field
The present invention relates to retarder fields, and in particular to a kind of tubular motor reducer.
Background technique
Speed reducer plays a part of to match revolving speed between prime mover and working machine or executing agency and transmits torque, speed reducer
It is a kind of relatively accurate machinery, the purpose using it is to reduce revolving speed, increases torque.List can be divided into according to transmission series difference
Grade and multistage speed reducer；Cylindrical gear reducer, conical gear reducer and circular cone-cylinder can be divided into according to tooth factory wheel shape
Tooth running wheel speed reducer；Expansion, shunt can be divided into again according to the arrangement form of transmission and with into shaft type speed reducer.Retarder is
One kind is commonly used by being enclosed in the intracorporal gear drive of rigid crust, worm-drive, the composed individual components of pinion-endless screw transmission
Make the speed reduction gearing between driving link and working machine.Risen between prime mover and working machine or executing agency matching revolving speed and
The effect for transmitting torque, using extremely wide in modern mechanical.
Tubular motor reducer is used in the retarder in tube shaped electric machine, and the bracket and pin in speed reducer to be riveted firmly
Mode link together, indivisible, any position is damaged, all can by be riveted together it is entire combination replace,
Maintenance cost is high, and there is room for improvement.
Tubular motor reducer is used for places such as electric sunshading curtain, electric vehicle garage door, electric roll-up window, electric projection screens
Tube shaped electric machine assembly, the high speed of motor is become low speed by it.Current tubular motor reducer uses involute planet gear
Transmission generallys use several planetary gears while transmitting load, makes power dividing and reasonably use internal messing, therefore has a series of
The advantages of: if compact-sized, small in size, light-weight, gear range is larger, transmission efficiency height, can be moved smooth running
Synthesis and decompose etc..For tubular motor reducer in transmission process, dreamboat is slow speed turbine stage large carrying capacity, and high speed grade is made an uproar
Sound is small.
Chinese patent CN206617509U discloses a kind of Tubular Motor Planetary Reducer, solves after a period of use
Interior lubrication shortage of oil in reducing gearbox, the frictional resistance in shell increase again, influence using the problem of, drip irrigation device
It is: including casing and is separately positioned on the upper end cover and lower cover at casing both ends, is provided with and is sequentially connected in the casing
Primary speed-down mechanism, two reduction gear and three-level deceleration mechanism, the upper end cover offers oil filler point, in the oil filler point
Also sliding be connected with can sealed oil-filling hole limit sleeve, reached can be added in the insufficient situation of grease by oil filler point it is oily
The purpose of rouge.
The retarder of the patent disclosure has the disadvantage that
One, when lubricating oil, which reaches service life, needs discarded, the lubricating oil inside retarder is difficult to be discharged；
Two, the retarder internal element is needed to be immersed in lubricating oil and could be run well, and adds excessive lubricating oil
It can hinder the operating of retarder.
Summary of the invention
The purpose of the present invention is to provide a kind of tubular motor reducer, which is made inside barrel shell by gear pump
Lubrication oil circulation flowing, reduce the amount of the lubricating oil or lubricating grease that add inside barrel shell, to reduce tube shaped electric machine fortune
The resistance that gear is subject to when turning extends the service life of retarder, and can add without disassembling retarder or replace it
Internal lubricating oil.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of tubular motor reducer is provided, includes barrel shell, front cover, rear cover, input shaft, output shaft and gear pump；
Barrel shell is horizontally disposed, and front cover is mounted on the front end of barrel shell, and rear cover is mounted on the rear end of barrel shell；
Multiple planetary reduction gears, side of the planetary reduction gear from front cover towards rear cover are installed inside barrel shell
It is connected to sequential transmissions；
Input shaft is fixedly mounted on the input terminal of the planetary reduction gear close to front cover, and output shaft, which is fixedly mounted on, to be leaned on
The output end of the planetary reduction gear of nearly rear cover；
Gear pump and each planetary reduction gear correspond, and gear pump is mounted on the side of planetary reduction gear
Side is simultaneously sequentially connected with planetary reduction gear；
Barrel shell bottom end is provided with the oil return line of connection barrel shell interior forward end and barrel shell Internal back end.
As a kind of a kind of preferred embodiment of tubular motor reducer, barrel shell inner wall is provided with the axis direction along barrel shell
The internal tooth of extension, planetary reduction gear include the first ring gear with interior tooth engagement, are provided with level on the first ring gear and pass through
The axle center hole of the first ring gear is worn, rotatable gear stand is installed in axle center hole, gear stand is fixedly installed with too on one side
Sun wheel, the another side of gear stand is rotatable to be equipped with the multiple planetary gears uniformly distributed around gear stand axis, planetary gear with it is interior
Tooth engagement.
As a kind of a kind of preferred embodiment of tubular motor reducer, planetary reduction gear further includes having bearing, axis
The outer ring held and axle center hole are interference fitted, and the inner ring and gear stand of bearing are interference fitted.
As a kind of a kind of preferred embodiment of tubular motor reducer, input shaft includes sun gear joint control and circle
Axis, sun gear joint control and circular shaft are coaxial, and circular shaft, which is driven by sun gear joint control with the sun gear closest to front cover, to be connected
It connects, keyway is provided on circular shaft.
As a kind of a kind of preferred embodiment of tubular motor reducer, output shaft includes gear stand joint control and side
Axis, gear stand joint control and square shaft are coaxial, and square shaft is driven by gear stand joint control and the gear stand closest to rear cover
Connection.
As a kind of a kind of preferred embodiment of tubular motor reducer, gear pump includes the second ring gear, epicycloid rotor
Gear and hypocycloid rotor gear；
Second ring gear is mounted on the side of the first ring gear and the second ring gear and interior tooth engagement, is provided with water in the second ring gear
The flat eccentric orfice through the second ring gear, the axis of eccentric orfice are located at the side on the second ring gear axis horizontal direction；
Epicycloid rotor gear is rotatably disposed in inside the second ring gear and epicycloid rotor gear is fixedly mounted on tooth
On wheel support, hypocycloid rotor gear is rotatably mounted to inside the second ring gear and the outer ring of hypocycloid rotor gear and second
The inner ring of ring gear is slidably matched, and epicycloid rotor gear is engaged with hypocycloid rotor gear, and the number of teeth of hypocycloid rotor gear is extremely
One more than few number of teeth than epicycloid rotor gear；
The two sides of second ring gear are equipped with the first oil seal ring and the second oil seal ring being fixedly connected with the second ring gear, wherein the
One oil seal ring is disposed in proximity to the side of front cover, and the second oil seal ring is disposed in proximity to the side of rear cover, and the first oil seal ring side is set
The fuel feed hole being equipped between epicycloid rotor gear outer ring bottom end and hypocycloid rotor gear inner ring bottom end, the second oil seal ring
Side is provided with the oil outlet between epicycloid rotor gear outer ring top and hypocycloid rotor gear inner ring top.
As a kind of a kind of preferred embodiment of tubular motor reducer, the periphery of gear stand is provided with multiple circular teeth
Wheel support axis it is uniformly distributed go out oil groove, out oil groove be semi-cylindrical slot, out oil groove perpendicular to gear stand end face and pass through
Gear stand is worn, adjacent two go out the horizontal direction full-size that the distance between oil groove is less than oil outlet.
As a kind of a kind of preferred embodiment of tubular motor reducer, the gear ratio epicycloid rotor of hypocycloid rotor gear
The number of teeth of gear is one more.
As a kind of a kind of preferred embodiment of tubular motor reducer, the top of barrel shell is provided with entering positioned at front cover side
Hydraulic fluid port, the bottom end of oil return line are provided with the oil outlet positioned at rear cover side, oiler and oil outlet closing under working condition.
Beneficial effects of the present invention:
As shown in Figure 1, 2, 3, barrel shell, front cover, rear cover, planetary reduction gear, input shaft and output shaft are combined into often
The tubular motor reducer seen, working principle are identical as common tubular motor reducer；
Planetary reduction gear work when drive gear pump work, gear pump by the lubricating oil inside barrel shell from front end to
Rear end conveying, lubricating oil are moved to behind the rear end of barrel shell the front end for returning to barrel shell by oil return line again；
1, by gear pump the lubrication oil circulation inside barrel shell is flowed, reduce the lubricating oil added inside barrel shell or
The amount of lubricating grease, the resistance that gear is subject to when also just reducing tube shaped electric machine operating.
2, staff can add or replace its internal lubricating oil without disassembling retarder.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described.It should be evident that drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of side view of tubular motor reducer described in the embodiment of the present invention；
Fig. 2 is a kind of barrel shell internal structure perspective view of tubular motor reducer described in the embodiment of the present invention；
Fig. 3 is a kind of barrel shell internal structure side view of tubular motor reducer described in the embodiment of the present invention；
Fig. 4 is a kind of barrel shell internal structure axial view of tubular motor reducer described in the embodiment of the present invention；
Fig. 5 is the A-A sectional view of Fig. 4；
Fig. 6 is partial enlarged view at the B of Fig. 5；
Fig. 7 is partial enlarged view at the C of Fig. 5；
Fig. 8 is a kind of planetary gear reducing mechanism stereogram exploded view of tubular motor reducer described in the embodiment of the present invention
One；
Fig. 9 is a kind of planetary gear reducing mechanism stereogram exploded view of tubular motor reducer described in the embodiment of the present invention
Two；
Figure 10 is partial enlarged view at the D of Fig. 9；
Figure 11 is a kind of planetary gear reducing mechanism stereo decomposing of tubular motor reducer described in the embodiment of the present invention
Figure three；
Figure 12 is a kind of gear pump stereogram exploded view of tubular motor reducer described in the embodiment of the present invention；
Figure 13 is a kind of gear pump internal structure axial view of tubular motor reducer described in the embodiment of the present invention；
In figure:
1, barrel shell；1a, oil return line；1b, oiler；1c, oil outlet；
2, front cover；3, rear cover；
4, planetary reduction gear；4a, the first ring gear；4a1, axle center hole；4b, gear stand；4b1, go out oil groove；4c,
Sun gear；4d, planetary gear；4e, bearing；
5, input shaft；5a, sun gear joint control；5b, circular shaft；5b1, keyway；
6, output shaft；6a, gear stand joint control；6b, square shaft；
7, gear pump；7a, the second ring gear；7a1, eccentric orfice；7b, epicycloid rotor gear；7c, hypocycloid rotor gear；
7d, the first oil seal ring；7d1, fuel feed hole；7e, the second oil seal ring；7e1, oil outlet.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of patent；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that closed if there is the orientation of the instructions such as term " on ", "lower", "left", "right", "inner", "outside" or position
System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
In the description of the present invention unless specifically defined or limited otherwise, if there are the indicate indicators such as term " connection "
Between connection relationship, which shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or at
One；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection of two components interiors or the interaction relationship of two components.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention with concrete condition.
It include barrel shell 1, front cover 2, rear cover 3, input shaft referring to figs. 1 to a kind of tubular motor reducer shown in Figure 13
5, output shaft 6 and gear pump 7；
Barrel shell 1 is horizontally disposed, and front cover 2 is mounted on the front end of barrel shell 1, and rear cover 3 is mounted on the rear end of barrel shell 1；
Multiple planetary reduction gears 4 are installed, planetary reduction gear 4 is from front cover 2 towards rear cover inside barrel shell 1
3 direction sequential transmissions connection；
Input shaft 5 is fixedly mounted on the input terminal of the planetary reduction gear 4 close to front cover 2, and output shaft 6 is fixedly mounted
In the output end of the planetary reduction gear 4 close to rear cover 3；
Gear pump 7 and each planetary reduction gear 4 correspond, and gear pump 7 is mounted on planetary reduction gear 4
Side and with planetary reduction gear 4 be sequentially connected；
1 bottom end of barrel shell is provided with the oil return line 1a of connection 1 interior forward end of barrel shell and 1 Internal back end of barrel shell.
1 inner wall of barrel shell is provided with the internal tooth of the axis direction extension along barrel shell 1, and planetary reduction gear 4 includes
Run through the axle center hole 4a1 of the first ring gear 4a, axle center hole with the level of being provided on the first ring gear 4a, the first ring gear 4a of interior tooth engagement
Rotatable gear stand 4b is installed, gear stand 4b's is fixedly installed with sun gear 4c on one side, gear stand 4b's in 4a1
Another side is rotatable to be equipped with the multiple planetary gear 4ds uniformly distributed around gear stand 4b axis, planetary gear 4d and interior tooth engagement.
As shown in Fig. 9,11, planetary reduction gear 4 linked sequentially to each other passes through sun gear 4c and another planet
To deceleration transmission, working principle is identical as common planetary reduction gear for the planetary gear 4d engagement of reduction gear 4.
Planetary reduction gear 4 further includes having bearing 4e, and the outer ring of bearing 4e and axle center hole 4a1 are interference fitted, bearing
The inner ring and gear stand 4b of 4e is interference fitted.
As shown in figure 9, gear stand 4b is rotatably mounted in axle center hole 4a1 by bearing 4e.
Input shaft 5 includes sun gear joint control 5a and circular shaft 5b, and sun gear joint control 5a and circular shaft 5b are coaxial, circle
Axis 5b is sequentially connected by sun gear joint control 5a and the sun gear 4c closest to front cover 2, is provided with keyway on circular shaft 5b
5b1。
As shown in figure 3, retarder is sequentially connected by circular shaft 5b and electric machine main shaft, electric machine main shaft in keyway 5b1 by pacifying
The key of dress transmits torque.
Output shaft 6 includes gear stand joint control 6a and square shaft 6b, and gear stand joint control 6a and square shaft 6b are coaxial, side
Axis 6b is sequentially connected by gear stand joint control 6a and the gear stand 4b closest to rear cover 3.
As shown in figure 3, retarder is connect by square shaft 6b with the mechanism driving driven is needed, the square face of square shaft 6b is used for
Transmit torque.
Gear pump 7 includes the second ring gear 7a, epicycloid rotor gear 7b and hypocycloid rotor gear 7c；
Second ring gear 7a is mounted on the side of the first ring gear 4a and the second ring gear 7a and interior tooth engagement, in the second ring gear 7a
It is provided with the horizontal eccentric orfice 7a1 for running through the second ring gear 7a, the axis of eccentric orfice 7a1 is located at the second ring gear 7a axis horizontal direction
On side；
Epicycloid rotor gear 7b is rotatably disposed in inside the second ring gear 7a and the fixed peace of epicycloid rotor gear 7b
On gear stand 4b, hypocycloid rotor gear 7c is rotatably mounted to inside the second ring gear 7a and hypocycloid rotor gear
The outer ring of 7c and the inner ring of the second ring gear 7a are slidably matched, and epicycloid rotor gear 7b is engaged with hypocycloid rotor gear 7c, interior
One more than the number of teeth of the number of teeth of cycloid rotor gear 7c at least than epicycloid rotor gear 7b；
The two sides of second ring gear 7a are equipped with the first oil seal ring 7d and the second oil seal ring being fixedly connected with the second ring gear 7a
7e, wherein the first oil seal ring 7d is disposed in proximity to the side of front cover 2, the second oil seal ring 7e is disposed in proximity to the side of rear cover 3, the
One side oil seal ring 7d be provided with positioned at the epicycloid outer ring rotor gear 7b bottom end and hypocycloid rotor gear 7c inner ring bottom end it
Between fuel feed hole 7d1, the second side oil seal ring 7e is provided with positioned at the epicycloid outer ring rotor gear 7b top and hypocycloid rotor
Oil outlet 7e1 between gear 7c inner ring top.
As shown in Fig. 4,5,6,7,8,9,10,12,13, epicycloid rotor gear 7b rotates together with gear stand 4b,
By being eccentrically rotated with engaging for epicycloid rotor gear 7b, gear stand 4b is rotated counterclockwise hypocycloid rotor gear 7c
When, the bottom end of epicycloid rotor gear 7b and hypocycloid rotor gear 7c gradually release engagement, epicycloid rotor gear 7b and interior
Vacuum is generated between cycloid rotor gear 7c, puts aside the lubricating oil in 1 bottom of barrel shell and epicycloid turn is entered by fuel feed hole 7d1
Between sub- gear 7b and hypocycloid rotor gear 7c, then lubricating oil is by epicycloid rotor gear 7b and hypocycloid rotor gear 7c
It drives and moves up counterclockwise, the first oil seal ring 7d and the second oil seal ring 7e are for avoiding lubricating oil from epicycloid rotor gear
The outflow of the side of 7b and hypocycloid rotor gear 7c, and the top of epicycloid rotor gear 7b and hypocycloid rotor gear 7c are gradually
Engagement, the lubricating oil put aside between epicycloid rotor gear 7b and hypocycloid rotor gear 7c are extruded by fuel feed hole 7d1, from
And make the another side that is on one side moved to planetary reduction gear 4 of the lubricating oil from planetary reduction gear 4, lubricating oil from
The top of planetary reduction gear 4 is flowed down along the end face of planetary reduction gear 4, and flow to another along internal tooth
The end face of planetary reduction gear 4, thus to 4 end face of planetary reduction gear and internal tooth, the sun gear 4c flank of tooth and planet
The wheel 4d flank of tooth is lubricated.
The periphery of gear stand 4b is provided with the uniformly distributed oil groove 4b1 out of multiple circular gear stand 4b axis, out oil groove
4b1 be semi-cylindrical slot, out oil groove 4b1 perpendicular to gear stand 4b end face and run through gear stand 4b, adjacent two
A the distance between oil groove 4b1 out is less than the horizontal direction full-size of oil outlet 7e1.
Oil groove 4b1 is successively connected to oil outlet 7e1 out when gear stand 4b rotates, and there are two fuel-displaced always in the same time
Slot 4b1 is connected to oil outlet 7e1, so that the lubricating oil of middle outflow can continue through out oil groove 4b1 stream in oil outlet 7e1
Move the end face of gear stand 4b.
The number of teeth of the gear ratio epicycloid rotor gear 7b of hypocycloid rotor gear 7c is one more.
In the case where the number of teeth differs only by a tooth, the tooth Guo Chu of epicycloid rotor gear 7b and hypocycloid rotor gear 7c
The friction and wear of relative sliding velocity very little, the flank of tooth is also smaller.
The top of barrel shell 1 is provided with the oiler 1b positioned at 2 side of front cover, the bottom end of oil return line 1a is provided be located at after
The oil outlet 1c of 3 side of lid, oiler 1b and oil outlet 1c closing under working condition.
When requiring supplementation with lubricating oil inside barrel shell 1, opens oiler 1b and inwardly pour into lubricating oil, starting motor fortune
After turning a period of time, lubricating oil can be evenly distributed in inside barrel shell 1 by gear pump 7；
When needing replacing lubricating oil inside barrel shell 1, opens oiler 1b and inwardly pour into lubricant detergents, start motor
After operating a period of time, lubricant detergents can be evenly distributed in inside barrel shell 1 by gear pump 7, then open oil outlet
1c, lubricating oil and the fused solution of lubricant detergents can be flowed out inside barrel shell 1 by oil outlet 1c, be then shut off oil outlet
1c simultaneously opens oiler 1b, by oiler 1b to injecting new lubricating oil inside barrel shell 1.
The working principle of the invention:
As shown in Figure 1, 2, 3, barrel shell 1, front cover 2, rear cover 3, planetary reduction gear 4, input shaft 5 and 6 groups of output shaft
Common tubular motor reducer is synthesized, working principle is identical as common tubular motor reducer；
Planetary reduction gear 4 work when drive gear pump 7 work, gear pump 7 by barrel shell 1 inside lubricating oil the past
End conveys to the back-end, and lubricating oil is moved to behind the rear end of barrel shell 1 front end for returning to barrel shell 1 by oil return line 1a again；
The lubricating oil circulated can substitute lubricating grease, and the 1 all parts in inside of barrel shell is avoided to be both needed to smear a large amount of lubrications
Rouge, or the situation that the 1 all parts in inside of barrel shell are immersed in lubricating oil is avoided, it is added inside barrel shell 1 to reduce
Lubricating grease or lubricating oil amount, the resistance that is subject to of gear when also reducing tube shaped electric machine operating.
It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason.It will be understood by those skilled in the art that various modifications, equivalent replacement, variation etc. can also be done to the present invention.But this
A little transformation, all should be within protection scope of the present invention without departing from spirit of the invention.In addition, present specification and power
Some terms used in sharp claim are not limitation, it is only for convenient for description.
Claims (9)
1. a kind of tubular motor reducer, which is characterized in that include barrel shell (1), front cover (2), rear cover (3), input shaft (5),
Output shaft (6) and gear pump (7)；
Barrel shell (1) is horizontally disposed, and front cover (2) is mounted on the front end of barrel shell (1), and rear cover (3) is mounted on the rear end of barrel shell (1)；
Is equipped with multiple planetary reduction gears (4) inside barrel shell (1), planetary reduction gear (4) from front cover (2) towards
The direction sequential transmissions of rear cover (3) connect；
Input shaft (5) is fixedly mounted on the input terminal of the planetary reduction gear (4) close to front cover (2), and output shaft (6) is fixed
It is arranged close to the output end of the planetary reduction gear (4) of rear cover (3)；
Gear pump (7) and each planetary reduction gear (4) correspond, and gear pump (7) is mounted on planetary reduction gear machine
The side of structure (4) is simultaneously sequentially connected with planetary reduction gear (4)；
Barrel shell (1) bottom end is provided with the oil return line (1a) of connection barrel shell (1) interior forward end and barrel shell (1) Internal back end.
2. a kind of tubular motor reducer according to claim 1, which is characterized in that barrel shell (1) inner wall be provided with along
The internal tooth that the axis direction of barrel shell (1) extends, planetary reduction gear (4) includes the first ring gear with interior tooth engagement
(4a) is provided with the horizontal axle center hole (4a1) for running through the first ring gear (4a), installation in axle center hole (4a1) on the first ring gear (4a)
Have rotatable gear stand (4b), gear stand (4b) is fixedly installed with sun gear (4c) on one side, gear stand (4b)
Another side is rotatable to be equipped with the multiple planetary gears (4d) uniformly distributed around gear stand (4b) axis, and planetary gear (4d) is nibbled with internal tooth
It closes.
3. a kind of tubular motor reducer according to claim 2, which is characterized in that planetary reduction gear (4) is also
It include bearing (4e), the outer ring of bearing (4e) and axle center hole (4a1) are interference fitted, the inner ring and gear stand of bearing (4e)
(4b) interference fit.
4. a kind of tubular motor reducer according to claim 2, which is characterized in that input shaft (5) includes sun tooth
Joint control (5a) and circular shaft (5b) are taken turns, coaxially, circular shaft (5b) passes through sun gear for sun gear joint control (5a) and circular shaft (5b)
Joint control (5a) is sequentially connected with the sun gear (4c) closest to front cover (2), is provided with keyway (5b1) on circular shaft (5b).
5. a kind of tubular motor reducer according to claim 2, which is characterized in that output shaft (6) includes gear branch
Coaxially, square shaft (6b) passes through gear stand for frame joint control (6a) and square shaft (6b), gear stand joint control (6a) and square shaft (6b)
Joint control (6a) is sequentially connected with the gear stand (4b) closest to rear cover (3).
6. a kind of tubular motor reducer according to claim 2, which is characterized in that gear pump (7) includes the second tooth
Ring (7a), epicycloid rotor gear (7b) and hypocycloid rotor gear (7c)；
Second ring gear (7a) is mounted on the side of the first ring gear (4a) and the second ring gear (7a) and interior tooth engagement, the second ring gear
The horizontal eccentric orfice (7a1) for running through the second ring gear (7a) is provided in (7a), the axis of eccentric orfice (7a1) is located at the second ring gear
Side on (7a) axis horizontal direction；
Epicycloid rotor gear (7b) is rotatably disposed in the second ring gear (7a) inside and epicycloid rotor gear (7b) is fixed
It is mounted on gear stand (4b), hypocycloid rotor gear (7c) is rotatably mounted to the second ring gear (7a) inside and hypocycloid
The outer ring of rotor gear (7c) and the inner ring of the second ring gear (7a) are slidably matched, epicycloid rotor gear (7b) and hypocycloid rotor
Gear (7c) engagement, the number of teeth of hypocycloid rotor gear (7c) are at least one more than the number of teeth of epicycloid rotor gear (7b)；
The two sides of second ring gear (7a) are equipped with the first oil seal ring (7d) being fixedly connected with the second ring gear (7a) and the second oil sealing
Ring (7e), wherein the first oil seal ring (7d) is disposed in proximity to the side of front cover (2), the second oil seal ring (7e) is disposed in proximity to rear cover
(3) side, the side the first oil seal ring (7d) are provided with positioned at the outer ring bottom end epicycloid rotor gear (7b) and hypocycloid rotor
Fuel feed hole (7d1) between gear (7c) inner ring bottom end, the side the second oil seal ring (7e) are provided with positioned at epicycloid rotor gear
Oil outlet (7e1) between the outer ring top (7b) and hypocycloid rotor gear (7c) inner ring top.
7. a kind of tubular motor reducer according to claim 6, which is characterized in that the periphery of gear stand (4b) is set
Be equipped with multiple circular gear stand (4b) axis it is uniformly distributed go out oil groove (4b1), out oil groove (4b1) be semi-cylindrical slot, it is fuel-displaced
Slot (4b1) perpendicular to gear stand (4b) end face and run through gear stand (4b), adjacent two go out oil groove (4b1) between
Distance be less than oil outlet (7e1) horizontal direction full-size.
8. a kind of tubular motor reducer according to claim 6, which is characterized in that the tooth of hypocycloid rotor gear (7c)
Number is one more than the number of teeth of epicycloid rotor gear (7b).
9. a kind of tubular motor reducer according to claim 1, which is characterized in that the top of barrel shell (1) is provided with position
In the oiler (1b) of front cover (2) side, the bottom end of oil return line (1a) is provided with the oil outlet positioned at rear cover (3) side
(1c), oiler (1b) and oil outlet (1c) closing under working condition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485121.2A CN110345200B (en) | 2019-06-05 | 2019-06-05 | Tubular motor speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485121.2A CN110345200B (en) | 2019-06-05 | 2019-06-05 | Tubular motor speed reducer |
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| CN110345200B CN110345200B (en) | 2022-09-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163809A (en) * | 2022-09-08 | 2022-10-11 | 常州市曼多林精密机械科技有限公司 | High-precision micron planetary reducer |
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| CN115163809B (en) * | 2022-09-08 | 2022-11-25 | 常州市曼多林精密机械科技有限公司 | High-precision micron planetary reducer |
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