CN104964003A - Planetary reducer - Google Patents
Planetary reducer Download PDFInfo
- Publication number
- CN104964003A CN104964003A CN201510412328.9A CN201510412328A CN104964003A CN 104964003 A CN104964003 A CN 104964003A CN 201510412328 A CN201510412328 A CN 201510412328A CN 104964003 A CN104964003 A CN 104964003A
- Authority
- CN
- China
- Prior art keywords
- planetary
- planet carrier
- planetary pinion
- speed reducer
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- 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
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- F16H2057/02034—Gearboxes combined or connected with electric machines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a planetary reducer which comprises a motor and a reducing mechanism connected with the motor. The planetary reducer is characterized in that the reducing mechanism comprises a shell, a planetary carrier, a planetary gear, a motor shaft and an output shaft, and the planetary carrier, the planetary gear, the motor shaft and the output shaft are arranged in the shell; the planetary carrier is of a cylindrical integrated structure, and the planetary gear is arranged in the planetary carrier; one end of the motor shaft is arranged in the motor, and the other end of the motor shaft is arranged in the planetary carrier; one end of the output shaft is arranged in the planetary carrier, and the other end of the output shaft is arranged outside the shell; the planetary gear is arranged in the middle of the planetary carrier, the motor shaft and the output shaft are arranged at the two ends of the planetary gear respectively, and the planetary gear, the motor shaft and the output shaft are arranged in the shell through the planetary carrier. The running stability of the planetary reducer is guaranteed, and the service life of the planetary reducer is prolonged.
Description
Technical field
The present invention relates to a kind of speed reducer, be specifically related to a kind of planetary speed reducer.
Background technique
The features such as the quality of planetary speed reducer is light, velocity ratio is large, bearing capacity is large, efficiency is high, smooth running, the low strong adaptability of noise, are widely used in the industrial departments such as metallurgy, mine, lifting transport, electric power, the energy, building materials, light industry, traffic.
In the prior art, when the inherent reality of planetary speed reducer uses, easily there is card when rotating in the planetary pinion of inside etc., and generation vibrations and noise, and then the situation that tooth is beaten in appearance, the gear teeth burst apart, final complete machine cannot work.Overall performance and the stability of speed reducer can be reduced, make planetary speed reducer working life also greatly shorten.
Summary of the invention
The object of the invention is to provide a kind of planetary speed reducer, by using this structure, extends the working life of planetary speed reducer.
For achieving the above object, the technical solution used in the present invention is: a kind of planetary speed reducer, comprises motor and the reducing gear with motors, and described reducing gear comprises housing, the planet carrier be arranged in housing, planetary pinion, motor drive shaft and output shaft;
Described planet carrier is cylindrical integrative-structure, and described planetary pinion is installed in described planet carrier;
Described motor drive shaft one end is arranged in described motor, and the other end is installed in described planet carrier;
Described output shaft one end is installed in described planet carrier, and the other end is arranged at outside described housing;
Described planetary pinion is arranged at the middle part of described planet carrier, and described motor drive shaft and described output shaft are arranged at described planetary two ends respectively, and described planetary pinion, motor drive shaft and output shaft are installed in described housing through described planet carrier.
In technique scheme, described motor drive shaft comprises input shaft and is arranged at the sun gear of input shaft front end, and described motor drive shaft is structure as a whole, and described input shaft one end arranges in described motor, and the other end inserts in described planet carrier; Described sun gear is arranged in described planet carrier, and engages with described planetary pinion, and described sun gear is connected with the input shaft be arranged in described planet carrier.
In technique scheme, be provided with planetary pinion in the middle part of described planet carrier and install cavity, described planetary pinion is installed on described planetary pinion and installs in cavity, and the two side that described planetary both ends of the surface and described planetary pinion install cavity contacts.
In technique scheme, be also provided with planet axis in described planet carrier, described planetary pinion is installed in described planet carrier through described planet axis; A toroidal cavity is provided with between described planet axis and described planetary pinion, the needle bearing that complex root contacts with each other between two is provided with in described toroidal cavity, needle bearing described in every root all contacts with the outer side wall of described planetary madial wall and described planet axis, and the two ends of described needle bearing are installed between cavity respectively at described planetary pinion and are provided with gap.
In technique scheme, the ring gear engaged with described planetary pinion is provided with in described housing, described ring gear and described housing are structure as a whole, ring gear, tool withdrawal groove, oil sealing position, clutch shaft bearing position and the second bearing position is provided with in described housing, described second bearing position is arranged at the side of described ring gear, and the opposite side of described ring gear is disposed with tool withdrawal groove, clutch shaft bearing position and oil sealing position.
In technique scheme, described output shaft inserts in described tool withdrawal groove, clutch shaft bearing position and oil sealing position through described planet carrier, described motor drive shaft inserts in described ring gear and the second bearing position place through described planet carrier, and described sun gear is located in described ring gear through described planet carrier.
In technique scheme, described planetary pinion engages with described sun gear and described ring gear.
In technique scheme, described planet carrier is arranged with clutch shaft bearing, oil sealing and the second bearing, described clutch shaft bearing is arranged in described clutch shaft bearing position, and described oil sealing is arranged in described oil sealing position, and described second bearing is arranged in described second bearing position.
In technique scheme, described input shaft one end is connected with sun gear, the outer edge surface of the other end is arranged with a motor chuck, described motor chuck is provided with a groove, the motor chuck at described groove place is provided with a screw, and described motor chuck is installed on described input shaft through described screw is fastening by screw.
In technique scheme, one end of described input shaft is connected with sun gear, and the end face of the other end offers two equalizing orifices, described equalizing orifice is arranged away from described groove.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. in the present invention, motor drive shaft comprises input shaft and sun gear, motor drive shaft is structure as a whole, by by sun gear and input shaft integrative-structure, compared with Split type structure in the past, eliminate the process being pressed into cooperation between the two, improve rigidity and the coaxality of motor drive shaft entirety, larger moment of torsion can be born, and unified machining benchmark reduces the cumulative error of size, effectively improve performance and the precision of planetary speed reducer entirety;
2. the cylindrical body that in the present invention, planet carrier is formed in one, the integrative-structure of planet carrier, effectively enhance the rigidity of planet carrier, simultaneously, planet axis is installed on planetary pinion and installs on the two side of cavity, ensure that the rigidity of planet axis, extends planet carrier and planet axis working life, motor drive shaft is fixed in planet carrier simultaneously, effectively improves planetary running accuracy;
3. in the toroidal cavity in the present invention between planet axis and planetary pinion, be provided with complex root needle bearing, toroidal cavity is filled has expired needle bearing, needle bearing is connected between two and is placed in toroidal cavity, the needle bearing arranged with spacing in the past and adopt retainer to fix compared with the structure of needle bearing, needle bearing contacts with each other setting between two, the surface of contact of needle bearing and planetary pinion, planet axis is larger, effectively improves the rigidity of needle bearing, not fragile; Simultaneously, the sidewall utilizing needle bearing contact force each other and planetary pinion to install cavity is fixed, the situation appearance of card, vibration and noise can not be caused because retainer wearing and tearing are broken, effectively ensure that the stability of needle bearing work, extend the working life of planetary speed reducer;
4. pass through ring gear and housing integrated setting in the present invention, compared with split-type structural in the past, process more convenient, processing speed is faster, manufacture cycle is shorter, eliminates the process of ring gear and housing being assembled simultaneously, effectively ensure that the precision of housing and ring gear entirety, also improve the rigidity of housing and ring gear entirety, can bear larger moment of torsion, meanwhile, the structure heat radiation of integral type is faster;
5. on the end face of input shaft one end, offer two equalizing orifices in the present invention, compared with not offering the structure of equalizing orifice in the past, at utmost avoid due to input shaft fluting and boring cause unbalance, improve the stationarity of input shaft running, ensure that the accuracy of mesh of Planetary Gear Transmission, reduce vibrations and noise, effectively improve the stability that planetary speed reducer runs, extend the working life of planetary speed reducer;
6. in the present invention by offering three with one heart and the arc oil guide slot be equally spaced on planetary two end faces, with in the past without oil guide slot structure compared with, easy to process, the lubrication problem between planetary pinion and planet carrier and needle bearing just can be solved without the need to other installation accessories, make to keep lubricating fully between planetary two end faces and planet carrier and needle bearing, effectively prevent dry friction and the local pyrexia that causes is expanded, planetary pinion is effectively prevented to be out of shape, rubbing surface glues together, the phenomenon that planetary pinion is stuck, ensure the stationarity of planetary pinion engagement, effectively ensure that planetary transmission efficiency, improve the stability of planetary speed reducer overall operation, extend the working life of planetary speed reducer.
Accompanying drawing explanation
Fig. 1 is the structural representation (motor does not draw) in the embodiment of the present invention one;
Fig. 2 is the perspective view in the embodiment of the present invention one;
Fig. 3 is the structural representation of needle bearing in the embodiment of the present invention one;
Fig. 4 is the structural representation of the embodiment of the present invention one middle shell;
Fig. 5 is the structural representation of planet carrier in the embodiment of the present invention one;
Fig. 6 is the right elevation of Fig. 5;
Fig. 7 is the sectional structure schematic diagram of planet carrier in the embodiment of the present invention one;
Fig. 8 is planetary movement locus structural representation in the embodiment of the present invention one;
Fig. 9 is planetary A-A sectional structure schematic diagram in Fig. 8;
Figure 10 is the partial enlarged drawing of this Fig. 9;
Figure 11 is planetary perspective view in Fig. 8;
Figure 12 is the three-dimensional mounting structure schematic diagram of planet carrier in the embodiment of the present invention one.
Wherein: 1, motor; 2, housing; 3, planet carrier; 4, planetary pinion; 5, motor drive shaft; 6, output shaft; 7, input shaft; 8, sun gear; 9, planetary pinion installs cavity; 10, planet axis; 11, needle bearing; 12, input shaft installs cavity; 13, output shaft installs cavity; 14, axis hole; 15, ring gear; 16, tool withdrawal groove; 17, oil sealing position; 18, clutch shaft bearing position; 19, the second bearing position; 20, clutch shaft bearing; 21, oil sealing; 22, the second bearing; 23, motor chuck; 24, groove; 25, screw; 26, equalizing orifice; 27, arc oil guide slot;
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment one: shown in Fig. 1 ~ 12, a kind of planetary speed reducer, the reducing gear comprising motor 1 and be connected with motor 1, and described reducing gear comprises housing 2, the planet carrier 3 be arranged in housing 2, planetary pinion 4, motor drive shaft 5 and output shaft 6;
Described planet carrier 3 is cylindrical integrative-structure, and described planetary pinion 4 is installed in described planet carrier 3;
Described motor drive shaft 5 one end is arranged in described motor 1, and the other end is installed in described planet carrier 3;
Described output shaft 6 one end is installed in described planet carrier 3, and the other end is arranged at outside described housing 2;
Described planetary pinion 4 is arranged at the middle part of described planet carrier 3, and described motor drive shaft 5 and described output shaft 6 are arranged at the two ends of described planetary pinion 4 respectively, and described planetary pinion 4, motor drive shaft 5 and output shaft 6 are installed in described housing 2 through described planet carrier 3.
Participate in shown in Fig. 1 ~ 3, described motor drive shaft 5 comprises input shaft 7 and is arranged at the sun gear 8 of input shaft 7 front end, and described motor drive shaft 5 is structure as a whole, and described input shaft 7 one end arranges in described motor 1, and the other end inserts in described planet carrier 3; Described sun gear 8 is arranged in described planet carrier 3, and engages with described planetary pinion 4, and described sun gear 8 is connected with the input shaft 7 be arranged in described planet carrier 3.Described planetary pinion 4 is three, and described sun gear 8 is arranged between three described planetary pinions 4, and engages with three described planetary pinions 4.
Participate in shown in Fig. 1 ~ 7, be provided with planetary pinion in the middle part of described planet carrier 3 and install cavity 9, described planetary pinion 4 is installed on described planetary pinion and installs in cavity 9, and the two side that the both ends of the surface of described planetary pinion 4 and described planetary pinion install cavity 9 contacts.Also be provided with planet axis 10 in described planet carrier 3, described planetary pinion 4 is installed in described planet carrier 3 through described planet axis 10; A toroidal cavity is provided with between described planet axis 10 and described planetary pinion 4,14 needle bearings contacted with each other between two 11 are provided with in described toroidal cavity, needle bearing 11 described in every root all contacts with the madial wall of described planetary pinion 4 and the outer side wall of described planet axis 10, and namely needle bearing 11 contacts with the inner edge surface of planetary pinion 4 and the outer edge surface of planet axis 10.The two ends of described needle bearing 11 are installed between cavity 9 respectively at described planetary pinion and are provided with gap, and described gap width is 1 ㎜.By arranging gap, operationally, the two ends of needle bearing 11 can have moving radially of the gap of 1 ㎜ respectively, do not affect use for planetary pinion 4 and needle bearing 11, and planetary pinion installs the radial degrees of freedom that cavity 9 can limit needle bearing 11., arranged by gap meanwhile, be convenient to the installation of needle bearing 11.
Participate in shown in Fig. 1,2,7, the both sides of described planetary pinion installation cavity 9 are respectively input shaft and install cavity 12 and output shaft installation cavity 13, and described planetary pinion installs cavity 9, input shaft installs cavity 12 and the axle center of output shaft installation cavity 13 is coaxially arranged.Described input shaft is installed in cavity 12 and is provided with input shaft 7, and described output shaft is installed in cavity 13 and is provided with output shaft 6, and described sun gear 8 is installed on described planetary pinion and installs in cavity 9, and is arranged between 3 described planetary pinions 4.On the two side of described planetary pinion installation cavity 9, annular is evenly equipped with three axis holes 14, and described planet axis 10 inserts in described axis hole 14.The diameter of a circle that three axis holes 14 surround is less than the diameter that input shaft installs cavity 12.The end face being convenient to input shaft 7 like this withstands planet axis 10, for limiting the radial degrees of freedom of planet axis 10.
The ring gear 15 engaged with described planetary pinion 4 is provided with in described housing 2, described ring gear 15 is structure as a whole with described housing 2, ring gear 15, tool withdrawal groove 16, oil sealing position 17, clutch shaft bearing position 18 and the second bearing position 19 is provided with in described housing 2, described second bearing position 19 is arranged at the side of described ring gear 15, and the opposite side of described ring gear 15 is disposed with tool withdrawal groove 16, clutch shaft bearing position 18 and oil sealing position 17.Described output shaft 6 inserts in described tool withdrawal groove 16, clutch shaft bearing position 18 and oil sealing position 17 through described planet carrier 3, described motor drive shaft 5 inserts in described ring gear 15 and the second bearing position 19 place through described planet carrier 3, and described sun gear 8 is located in described ring gear 15 through described planet carrier 3.Described planetary pinion 4 engages with described sun gear 8 and described ring gear 15.Described planet carrier 3 is arranged with clutch shaft bearing 20, oil sealing 21 and the second bearing 22, described clutch shaft bearing 20 is arranged in described clutch shaft bearing position 18, described oil sealing 21 is arranged in described oil sealing position 17, and described second bearing 22 is arranged in described second bearing position 19, participates in shown in Fig. 2,4.
In the present embodiment, clutch shaft bearing 20 is sheathed on the planet carrier 3 outside described output shaft 6, be convenient to the rotation of planet carrier 3, second bearing 22 is sheathed on the planet carrier 3 outside described input shaft 7, be convenient to the rotation of described planet carrier 3, described oil sealing 21 is sheathed on the planet carrier 3 outside described output shaft 6, ensures that the lubricant oil in housing 2 can not spill, and effectively ensures the lubrication that inner components rotates.
Shown in participation Figure 12, described input shaft 7 one end is connected with sun gear 8, the outer edge surface of the other end is arranged with a motor chuck 23, described motor chuck 23 is provided with a groove 24, described motor chuck 23 is annular, described motor chuck 23 cuts by described groove 24, and the motor chuck 23 at described groove 24 place is provided with a screw, and described motor chuck 23 is installed on described input shaft 7 through described screw is fastening by screw 25.In the present embodiment, on input shaft 7 outer edge surface at corresponding motor chuck 23 screw place, also offer screw, screw 25 passes the screw on motor chuck 23 successively, motor chuck 23 is fixed on input shaft 7 by the screw on input shaft 7.But due to input shaft 7 having offered screw, and this screw is not be opened in center, but is opened in side, can cause input shaft 7 disequilibrium in a circumferential direction.Although installed screw 25 additional, balance still can lack a bit, and in high-revolving situation, due to centrifugal action, obvious vibrations can be produced, along with the raising of rotating speed, vibrations are just more obvious, can produce larger noise, and can have a strong impact on stability and the life-span of speed reducer.
Therefore, one end of described input shaft 7 is connected with sun gear 8, the end face of the other end offers two equalizing orifices 26, and described equalizing orifice 26 is arranged away from screw on described groove 24 and input shaft 7.This equalizing orifice 26 is arranged at the position of relative screw, by the setting of equalizing orifice 26, making script unbalanced input shaft 7 when rotating farthest can reach balance, participating in shown in Figure 12.Input shaft 7 is made still to keep very high transient equiliblium at higher rotational speeds, for the planetary pinion 4 in planetary speed reducer provides stable operating conditions, ensure the accuracy of mesh of planetary pinion 4 transmission, reduce vibrations and noise simultaneously, improve stability when planetary speed reducer runs, extend the working life of planetary speed reducer.
Participate in shown in Fig. 8 ~ 11, the both ends of the surface of each described planetary pinion 4 are also respectively equipped with three arc oil guide slot 27, described arc oil guide slot 27 with one heart and be equally spaced in the both ends of the surface of described planetary pinion 4.The center of circle of arc oil guide slot 27 described in every bar is the axle center of sun gear 8.Distance between adjacent described arc oil guide slot 27 is equal.With the center of circle of sun gear 8 for mid point, take R as radius, the radius of Article 1 arc oil guide slot 27 is R, and the radius of Article 2 arc oil guide slot 27 is R+T, the radius of Article 3 arc oil guide slot 27 is R+2T, distance between adjacent described arc oil guide slot 27 is equal, and spacing is T, in the present embodiment, the outer diameter of planetary pinion 4 is 25 ㎜, the size of the inner diameter of planetary pinion 4 to be the size of 15 ㎜, R be 10 ㎜, T is 5 ㎜.In the present invention, the size variation of planetary pinion 4, R value and T value also followed by the size variation of planetary pinion 4 and change in ratio.The size of R value is 1.2 times ~ 3 times of T value size.The outer diameter size of planetary pinion 4 is 2 times ~ 4 times of R value size.
Shown in participation Figure 10, the cross section of described arc oil guide slot 27 is semicircle.The radius of described arc oil guide slot 27 is r, and the degree of depth is c, and in the present embodiment, r value size is that 5 ㎜, c value gets 1.5 ㎜.In the present invention, the size of r value is 1/2, c value size of R value size is 3/10 of r value size.
The present invention arranges arc oil guide slot 27 on two end faces of planetary pinion 4, the lubrication problem between planetary pinion 4 and planet carrier 3 and needle bearing 11 can be solved, make to keep lubricating fully between two end faces of planetary pinion 4 and planet carrier 3 and needle bearing 11, effectively prevent dry friction and the local pyrexia that causes is expanded, planetary pinion 4 is effectively prevented to be out of shape, rubbing surface glues together, the phenomenon that planetary pinion 4 is stuck, ensure the stationarity that planetary pinion 4 engages, effectively ensure that the transmission efficiency of planetary pinion 4, improve the stability of planetary speed reducer overall operation, extend the working life of planetary speed reducer.
Claims (10)
1. a planetary speed reducer, comprises motor and the reducing gear with motors, it is characterized in that: described reducing gear comprises housing, the planet carrier be arranged in housing, planetary pinion, motor drive shaft and output shaft;
Described planet carrier is cylindrical integrative-structure, and described planetary pinion is installed in described planet carrier;
Described motor drive shaft one end is arranged in described motor, and the other end is installed in described planet carrier;
Described output shaft one end is installed in described planet carrier, and the other end is arranged at outside described housing;
Described planetary pinion is arranged at the middle part of described planet carrier, and described motor drive shaft and described output shaft are arranged at described planetary two ends respectively, and described planetary pinion, motor drive shaft and output shaft are installed in described housing through described planet carrier.
2. planetary speed reducer according to claim 1, it is characterized in that: described motor drive shaft comprises input shaft and is arranged at the sun gear of input shaft front end, described motor drive shaft is structure as a whole, and described input shaft one end arranges in described motor, and the other end inserts in described planet carrier; Described sun gear is arranged in described planet carrier, and engages with described planetary pinion, and described sun gear is connected with the input shaft be arranged in described planet carrier.
3. planetary speed reducer according to claim 1, it is characterized in that: be provided with planetary pinion in the middle part of described planet carrier and cavity is installed, described planetary pinion is installed on described planetary pinion and installs in cavity, and the two side that described planetary both ends of the surface and described planetary pinion install cavity contacts.
4. planetary speed reducer according to claim 3, is characterized in that: be also provided with planet axis in described planet carrier, and described planetary pinion is installed in described planet carrier through described planet axis; A toroidal cavity is provided with between described planet axis and described planetary pinion, the needle bearing that complex root contacts with each other between two is provided with in described toroidal cavity, needle bearing described in every root all contacts with the outer side wall of described planetary madial wall and described planet axis, and the two ends of described needle bearing are installed between cavity respectively at described planetary pinion and are provided with gap.
5. planetary speed reducer according to claim 2, it is characterized in that: in described housing, be provided with the ring gear engaged with described planetary pinion, described ring gear and described housing are structure as a whole, ring gear, tool withdrawal groove, oil sealing position, clutch shaft bearing position and the second bearing position is provided with in described housing, described second bearing position is arranged at the side of described ring gear, and the opposite side of described ring gear is disposed with tool withdrawal groove, clutch shaft bearing position and oil sealing position.
6. planetary speed reducer according to claim 5, it is characterized in that: described output shaft inserts in described tool withdrawal groove, clutch shaft bearing position and oil sealing position through described planet carrier, described motor drive shaft inserts in described ring gear and the second bearing position place through described planet carrier, and described sun gear is located in described ring gear through described planet carrier.
7. planetary speed reducer according to claim 6, is characterized in that: described planetary pinion engages with described sun gear and described ring gear.
8. planetary speed reducer according to claim 6, it is characterized in that: described planet carrier is arranged with clutch shaft bearing, oil sealing and the second bearing, described clutch shaft bearing is arranged in described clutch shaft bearing position, described oil sealing is arranged in described oil sealing position, and described second bearing is arranged in described second bearing position.
9. planetary speed reducer according to claim 2, it is characterized in that: described input shaft one end is connected with sun gear, the outer edge surface of the other end is arranged with a motor chuck, described motor chuck is provided with a groove, the motor chuck at described groove place is provided with a screw, and described motor chuck is installed on described input shaft through described screw is fastening by screw.
10. planetary speed reducer according to claim 9, is characterized in that: one end of described input shaft is connected with sun gear, and the end face of the other end offers two equalizing orifices, described equalizing orifice is arranged away from described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412328.9A CN104964003A (en) | 2015-07-14 | 2015-07-14 | Planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412328.9A CN104964003A (en) | 2015-07-14 | 2015-07-14 | Planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104964003A true CN104964003A (en) | 2015-10-07 |
Family
ID=54218054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510412328.9A Pending CN104964003A (en) | 2015-07-14 | 2015-07-14 | Planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104964003A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952849A (en) * | 2016-07-06 | 2016-09-21 | 沈阳工业大学 | Planetary optimization reducer |
| CN108253095A (en) * | 2018-03-31 | 2018-07-06 | 重庆市江津区宏盛机械制造有限公司 | Large-scale heavy duty mining electric truck speed reducer assembly |
| CN108397543A (en) * | 2018-05-11 | 2018-08-14 | 浙江吉利变速器有限公司 | Planetary gear carrier structure and planetary gear mechanism with the structure |
| CN109139813A (en) * | 2018-10-23 | 2019-01-04 | 浙江贝托传动科技有限公司 | A kind of planet-gear speed reducer and its assembly method |
| CN110541914A (en) * | 2019-09-30 | 2019-12-06 | 无锡威孚中意齿轮有限责任公司 | Anti-channeling's planetary reducer output shaft mounting structure |
| CN115027654A (en) * | 2022-07-15 | 2022-09-09 | 宁波海伯集团有限公司 | Marine propeller |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020187875A1 (en) * | 2001-06-12 | 2002-12-12 | Chang Robin C.S. | Planetary gear device for reducing speed of an output shaft of a motor |
| EP1479948A1 (en) * | 2003-05-22 | 2004-11-24 | Apex Dynamics Inc. | Gearbox device having ceramic-incorporating oil seal units |
| US20050085324A1 (en) * | 2001-12-11 | 2005-04-21 | Michael Christ | Planetary gear, gear motor and series of gear motors |
| US20070078037A1 (en) * | 2005-10-04 | 2007-04-05 | Apex Dynamics, Inc. | Planetary gear device for reduction gearing |
| CN202040278U (en) * | 2011-01-14 | 2011-11-16 | 赵强 | Planetary gear speed reducer |
| CN203130936U (en) * | 2013-03-20 | 2013-08-14 | 浙江三凯机电有限公司 | Planetary gear train of speed reducer |
| CN203774964U (en) * | 2014-01-10 | 2014-08-13 | 深圳航天微电机有限公司 | Gate gear motor |
| CN204784492U (en) * | 2015-07-14 | 2015-11-18 | 苏州托玛斯自动化科技有限公司 | Planetary reducer |
-
2015
- 2015-07-14 CN CN201510412328.9A patent/CN104964003A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020187875A1 (en) * | 2001-06-12 | 2002-12-12 | Chang Robin C.S. | Planetary gear device for reducing speed of an output shaft of a motor |
| US20050085324A1 (en) * | 2001-12-11 | 2005-04-21 | Michael Christ | Planetary gear, gear motor and series of gear motors |
| EP1479948A1 (en) * | 2003-05-22 | 2004-11-24 | Apex Dynamics Inc. | Gearbox device having ceramic-incorporating oil seal units |
| US20070078037A1 (en) * | 2005-10-04 | 2007-04-05 | Apex Dynamics, Inc. | Planetary gear device for reduction gearing |
| CN202040278U (en) * | 2011-01-14 | 2011-11-16 | 赵强 | Planetary gear speed reducer |
| CN203130936U (en) * | 2013-03-20 | 2013-08-14 | 浙江三凯机电有限公司 | Planetary gear train of speed reducer |
| CN203774964U (en) * | 2014-01-10 | 2014-08-13 | 深圳航天微电机有限公司 | Gate gear motor |
| CN204784492U (en) * | 2015-07-14 | 2015-11-18 | 苏州托玛斯自动化科技有限公司 | Planetary reducer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952849A (en) * | 2016-07-06 | 2016-09-21 | 沈阳工业大学 | Planetary optimization reducer |
| CN105952849B (en) * | 2016-07-06 | 2018-12-11 | 沈阳工业大学 | A kind of planet optimization speed reducer |
| CN108253095A (en) * | 2018-03-31 | 2018-07-06 | 重庆市江津区宏盛机械制造有限公司 | Large-scale heavy duty mining electric truck speed reducer assembly |
| CN108397543A (en) * | 2018-05-11 | 2018-08-14 | 浙江吉利变速器有限公司 | Planetary gear carrier structure and planetary gear mechanism with the structure |
| CN108397543B (en) * | 2018-05-11 | 2023-11-14 | 浙江吉利变速器有限公司 | Planetary gear support structure and planetary gear mechanism with same |
| CN109139813A (en) * | 2018-10-23 | 2019-01-04 | 浙江贝托传动科技有限公司 | A kind of planet-gear speed reducer and its assembly method |
| CN110541914A (en) * | 2019-09-30 | 2019-12-06 | 无锡威孚中意齿轮有限责任公司 | Anti-channeling's planetary reducer output shaft mounting structure |
| CN115027654A (en) * | 2022-07-15 | 2022-09-09 | 宁波海伯集团有限公司 | Marine propeller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104964003A (en) | Planetary reducer | |
| WO2012160887A1 (en) | Reduction differential gear apparatus for electric vehicle | |
| CN102782370B (en) | The swivel gear of engineering machinery | |
| JP2014005941A (en) | Power transmission device | |
| JP5941863B2 (en) | Deceleration device having an eccentric oscillation type deceleration mechanism | |
| JP2012529605A5 (en) | ||
| JP2976204B1 (en) | Lubrication structure in differential equipment | |
| CN107438726A (en) | Transmission component and the electric drive portion with such transmission component | |
| JP2009162337A (en) | Power transmission device | |
| CN204784492U (en) | Planetary reducer | |
| CN205118145U (en) | Accurate step down gear mechanism | |
| CN206628944U (en) | A kind of electric automobile direct driving motor | |
| CN109139881A (en) | Pin gear, speed reducer and robot | |
| CN206226201U (en) | Minisize electric bicycle wheel hub motor | |
| CN110081157B (en) | Planetary reducer gear lubricating structure and method | |
| CN109751366B (en) | Planetary gear speed reducer | |
| CN217271695U (en) | Short-wheelbase large-speed-ratio tooth set structure | |
| JP2017201194A (en) | Speed reducer | |
| CN100526677C (en) | Mechanical reduction gear and rim motor including the same | |
| CN214171298U (en) | Precise planetary gear speed reducer | |
| CN200993196Y (en) | Planetary reducer | |
| CN105020345A (en) | Hollow shaft type precision 2K-V transmission device | |
| CN204592158U (en) | The speed reducer that hollow type eccentric swing needle roller speed changing structure combines | |
| JP2013050147A (en) | Transmission for automobile | |
| CN102003498B (en) | Planetary gearbox with supper large speed ratio and small teeth difference |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215000, Jiangsu, Suzhou province Wuzhong District Yue Street, North Palace Road, No. 38, 1 building, south side of the 3 District, D District Applicant after: SUZHOU TMOX AUTOMATIC TECHNOLOGY CO., LTD. Address before: Wuzhong Economic Development Zone in Suzhou City, Jiangsu province 215000 South Street Yingchun Road No. 112 Building 1 room 101 Applicant before: SUZHOU TMOX AUTOMATIC TECHNOLOGY CO., LTD. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |