CN200958562Y - Multi-crank and multi-balance planetary reducer - Google Patents
Multi-crank and multi-balance planetary reducer Download PDFInfo
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- CN200958562Y CN200958562Y CN 200620110978 CN200620110978U CN200958562Y CN 200958562 Y CN200958562 Y CN 200958562Y CN 200620110978 CN200620110978 CN 200620110978 CN 200620110978 U CN200620110978 U CN 200620110978U CN 200958562 Y CN200958562 Y CN 200958562Y
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- 239000003638 chemical reducing agent Substances 0.000 title claims description 23
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000010355 oscillation Effects 0.000 abstract 1
- 238000010248 power generation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000003967 crop rotation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a planetary decelerator with a plurality of crankshafts and balance wheels and pertains to an outer-ring small teeth difference planetary transmission decelerating device. The utility model mainly comprises an input shaft, an input driving gear, 2-4 driven wheels, 2-4 balance wheels as well as a corresponding eccentric crankshaft, a supporting rack, a central wheel, an output shaft, an end cap, a box body, etc. The utility model has the advantages of compact and simple structure, large transmission ratio, ensured processing precision and low manufacture cost. The plural balance wheels structure can balance the inertia force of the balance wheel when making the eccentric oscillation and reduce the vibration and the noise. A plurality of gears are meshed, thereby improving the loading capacity and the overload. The utility model can be widely used in metallurgy, mine, chemical industry, traffic and transportation, construction, agriculture, power generation, the engineering machinery and other equipments, in particular used in the heavy-duty mechanical equipments in the large-scale project.
Description
Technical field:
The utility model belongs to gear drive, particularly external circular type planetary drive with small teeth difference speed reducer.
Background technique:
The ring type speed reduction gearing adopts few tooth difference transmission principle, have advantages such as compact structure, big, the multiple tooth engagement of velocity ratio, overload property are good, be widely used in the machinery of industries such as metallurgy, mine, chemical industry, building, agricultural, communications and transportation, generating, especially be widely used especially at heavy duty equipment.Therefore, along with the construction of Chinese large-sized construction project, the ring type speed reducer of development function admirable has significant role to China's machinery industry.
Existing external circular type fewer differential teeth planetary speed reducer, it as application number " more eccentric shaft little tooth difference speed reducer " patent disclosure of 01230641.X, be a kind of multicrank single pendulum wheel planetary reducer, mainly comprise: input gear shaft, driven gear, eccentric shaft, internal gear, central gear etc.Input gear shaft and driven gear engagement, realized first order deceleration, driven gear is fixed on the eccentric shaft, rotates thereby drive eccentric shaft, and internal gear and eccentric shaft flexibly connect, internal gear is made revolution motion under the common driving of eccentric shaft, because central gear and internal gear keep meshing, and the number of teeth of the number of teeth of central gear and internal gear to be designed to very little tooth poor, therefore, central gear is forced to do reverse low-speed motion, realizes that second level planetary balance-wheel slows down.This patent adopts single escapement, and shortcoming such as have that inertial force is big, vibration, noise are big, eccentric shaft is subjected to force unbalance, bearing capacity is little is not suitable in the heavy duty equipment, and application area is restricted.
Summary of the invention:
The purpose of this utility model is the deficiency at existing external circular type fewer differential teeth planetary speed reducer, a kind of multicrank plurality of pendulums wheel planetary reducer is provided, has compact structure, simple, velocity ratio is big, and inertial force is little, carrying and overload capacity are strong, and machining accuracy easily guarantees, low cost of manufacture, vibration, noise is little, and characteristics such as rapid heat dissipation have enlarged application area.
The purpose of this utility model is achieved in that a kind of multicrank plurality of pendulums wheel planetary reducer, mainly comprises: input shaft, input driving gear, driven gear, eccentric crankshaft, bearing support, escapement, central gear, output shaft, end cap, casing etc.Bearing support is arranged on the inboard of input driving gear, and the central position of bearing support is provided with through hole, and through-hole diameter is greater than the diameter of input shaft and output shaft the inner, and bearing support is fixed in the bottom of casing.Two end caps are separately positioned on the two end part of casing, and fixedly connected with casing.Input shaft passes the center of an end end cap, the one end flexibly connects by bearing and end cap, and by bearing and bearing support flexible connection, output shaft passes the center of the other end end cap, the one end flexibly connects by bearing and end cap, and by bearing and bearing support flexible connection, input shaft is concentric out-of-alignment symmetry axis with output shaft.The input driving gear is fixed on the inner of input shaft.Eccentric crankshaft has 2-4, and the two ends of each eccentric crankshaft flexibly connect by bearing and two end cap respectively, and eccentric crankshaft along the circumferential direction evenly distributes in casing, and eccentric crankshaft is combined by running shaft and eccentric bushing, and eccentric bushing is fixed in the middle part of running shaft.Driven gear is 2-4 spur gear or helical gear, be separately positioned on the bearing support of eccentric crankshaft and the end between the end cap, fixedly connected with eccentric crankshaft, and mesh with straight-tooth or the helical teeth imported on the driving gear, 2-4 driven gear evenly distributes along the circumferencial direction of importing driving gear.The escapement that has internal tooth has 2-4, be movably connected in respectively on the eccentric bushing of eccentric crankshaft by bearing respectively, the symmetry axis of escapement is coaxial decentraction with the symmetry axis of driven gear, and the angle between 2-4 escapement evenly distributes along the inner circumference of casing, and 2-4 escapement has identical internal tooth.Central gear is fixed in the inner of output shaft, and the internal tooth of 2-4 escapement is meshed with the external tooth of central gear simultaneously, because the number of teeth difference of the external tooth of the internal tooth of escapement and central gear is the 1-4 tooth, forms few tooth difference transmission, outputting power.
Retarded motion process of the present utility model: power is imported by input shaft, driving the input driving gear rotates, mesh with straight-tooth or helical teeth on 2-4 the driven gear by the straight-tooth or the helical teeth of input on the driving gear, thereby 2-4 driven gear rotated, realize that first order straight-tooth or helical teeth slow down and power dividing.The rotation of 2-4 driven gear drives corresponding eccentric crankshaft and rotates, the rotation of eccentric crankshaft drives 4-4 escapement and produces the dead axle swing, the internal tooth of escapement and the engagement of the external tooth of central gear, central gear is rotated, central gear is fixedlyed connected with output shaft, rotate thereby drive output shaft, finish power output, realize second level deceleration.
After the utility model adopts technique scheme, owing to adopted 2-4 escapement, not only have compact structure, simple, velocity ratio is big, and machining accuracy easily guarantees, advantages such as low cost of manufacture; Adopt the plurality of pendulums wheel construction, the inertial force in the time of can balance wheel crop rotation eccentric swing reduces vibration and noise, and multiple tooth engagement can improve carrying and overload capacity.Therefore the utility model can be widely used in being specially adapted in the heavy duty equipment in the large-scale construction project project in the machinery such as metallurgy, mine, chemical industry, communications and transportation, building, agricultural, generating, engineering machinery.
Description of drawings:
Fig. 1 is a double-crank double pendulum wheel planetary reducer structural representation of the present utility model;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is three cranks, three escapement planetary reducer structural representation figure of the present utility model;
Fig. 4 is the A-A sectional drawing of Fig. 3;
Fig. 5 is a double-crank double pendulum wheel planetary reducer structural representation of the present utility model;
Fig. 6 is the A-A sectional drawing of Fig. 5;
Fig. 7 is the structural drawing of bearing support of the present utility model.
1 is input shaft, and 2 are the input driving gear, and 3 is driven gear, and 4 is eccentric crankshaft, 5 bearing supports, and 6 is escapement, and 7 is spacer sleeve, and 8 is bearing, and 9 is axle sleeve, and 10 is central gear, and 11 is output shaft, and 12 is seal ring, and 13,15 is end cap, and 14 is casing.
Embodiment:
Come the utility model is further specified below in conjunction with embodiment.
Embodiment 1:
As shown in Figure 1, 2, a kind of double-crank double pendulum wheel planetary reducer mainly comprises: input shaft 1, input driving gear 2, driven gear 3, eccentric crankshaft 4, bearing support 5, escapement 6, central gear 10, output shaft 11, end cap 13,15, casing 14 etc.Bearing support 5 is arranged on the inboard of input driving gear 2, and the central position of bearing support 5 is provided with through hole, and through-hole diameter is greater than the diameter of input shaft 1 and output shaft 11 the inners, and bearing support 5 is welded on the bottom of casing 14.Two end caps 13,15 are separately positioned on the two end part of casing 14, and are bolted to connection with casing 14.Input shaft 1 passes the center of an end end cap 15, the one end flexibly connects by bearing and end cap 15, and by bearing and bearing support 5 flexible connections, output shaft 11 passes the center of the other end end cap 13, the one end flexibly connects by bearing and end cap 13, and by bearing and bearing support 5 flexible connections, input shaft 1 is concentric out-of-alignment symmetry axis with output shaft 11.Input driving gear 2 is fixed on the inner of input shaft 1 by the key connection.Eccentric crankshaft 4 has 2, the two ends of each eccentric crankshaft 4 flexibly connect by bearing and two end cap 13,15 respectively, eccentric crankshaft 4 along the circumferential direction evenly distributes in casing 14, and eccentric crankshaft 4 is combined by running shaft and eccentric bushing, and eccentric bushing connects the middle part that is fixed in running shaft by key.Driven gear 3 is 2 spur gears, be separately positioned on the bearing support 5 of eccentric crankshaft 4 and the end between the end cap 15, connect with eccentric crankshaft 4 by key affixed, and with input driving gear 2 on the straight-tooth engagement, 2 driven gears 3 evenly distribute along the circumferencial direction of input driving gears 2.The escapement 6 that has internal tooth has 2, be movably connected in respectively on the eccentric bushing of eccentric crankshaft 4 by bearing 8 respectively, the symmetry axis of escapement 6 is coaxial decentraction with the symmetry axis of driven gear 3, and the angle between 2 escapements 6 evenly distributes along the inner circumference of casing, and 2 escapements 6 have identical internal tooth.Central gear 10 connects the inner that is fixed in output shaft 11 by key, and the internal tooth of 2 escapements 6 is meshed with the external tooth of central gear 10 simultaneously, because the number of teeth difference of the external tooth of the internal tooth of escapement 6 and central gear 10 is 1 tooth, forms few tooth difference transmission, outputting power.
Embodiment 2:
Shown in Fig. 3,4, a kind of three cranks, three escapement planetary reducers mainly comprise: input shaft 1, input driving gear 2, driven gear 3, eccentric crankshaft 4, bearing support 5, escapement 6, central gear 10, output shaft 11, end cap 13,15, casing 14 etc.Bearing support 5 is arranged on the inboard of input driving gear 2, and the central position of bearing support 5 is provided with through hole, and through-hole diameter is greater than the diameter of input shaft 1 and output shaft 11 the inners, and bearing support 5 is welded on the bottom of casing 14.Two end caps 13,15 are separately positioned on the two end part of casing 14, and are bolted to connection with casing 14.Input shaft 1 passes the center of an end end cap 15, the one end flexibly connects by bearing and end cap 15, and by bearing and bearing support 5 flexible connections, output shaft 11 passes the center of the other end end cap 13, the one end flexibly connects by bearing and end cap 13, and by bearing and bearing support 5 flexible connections, input shaft 1 is concentric out-of-alignment symmetry axis with output shaft 11.Input driving gear 2 is fixed on the inner of input shaft 1 by the key connection.Eccentric crankshaft 4 has 3, the two ends of each eccentric crankshaft 4 flexibly connect by bearing and two end cap 13,15 respectively, eccentric crankshaft 4 along the circumferential direction evenly distributes in casing 14, and eccentric crankshaft 4 is combined by running shaft and eccentric bushing, and eccentric bushing connects the middle part that is fixed in running shaft by key.Driven gear 3 is 3 helical gears, be separately positioned on the bearing support 5 of eccentric crankshaft 4 and the end between the end cap 15, connect with eccentric crankshaft 4 by key affixed, and with input driving gear 2 on the helical teeth engagement, 3 driven gears 3 evenly distribute along the circumferencial direction of input driving gears 2.The escapement 6 that has internal tooth has 3, be movably connected in respectively on the eccentric bushing of eccentric crankshaft 4 by bearing 8 respectively, the symmetry axis of escapement 6 is coaxial decentraction with the symmetry axis of driven gear 3, and the angle between 3 escapements 6 evenly distributes along the inner circumference of casing, and 3 escapements 6 have identical internal tooth.Central gear 10 connects the inner that is fixed in output shaft 11 by key, and the internal tooth of 3 escapements 6 is meshed with the external tooth of central gear 10 simultaneously, because the number of teeth difference of the external tooth of the internal tooth of escapement 6 and central gear 10 is 1 tooth, forms few tooth difference transmission, outputting power.
Embodiment 3:
Shown in Fig. 5,6, a kind of four-throw four escapement planetary reducers mainly comprise: input shaft 1, input driving gear 2, driven gear 3, eccentric crankshaft 4, bearing support 5, escapement 6, central gear 10, output shaft 11, end cap 13,15, casing 14 etc.Bearing support 5 is arranged on the inboard of input driving gear 2, and the central position of bearing support 5 is provided with through hole, and through-hole diameter is greater than the diameter of input shaft 1 and output shaft 11 the inners, and bearing support 5 is welded on the bottom of casing 14.Two end caps 13,15 are separately positioned on the two end part of casing 14, and are bolted to connection with casing 14.Input shaft 1 passes the center of an end end cap 15, the one end flexibly connects by bearing and end cap 15, and by bearing and bearing support 5 flexible connections, output shaft 11 passes the center of the other end end cap 13, the one end flexibly connects by bearing and end cap 13, and by bearing and bearing support 5 flexible connections, input shaft 1 is concentric out-of-alignment symmetry axis with output shaft 11.Input driving gear 2 is fixed on the inner of input shaft 1 by the key connection.Eccentric crankshaft 4 has 4, the two ends of each eccentric crankshaft 4 flexibly connect by bearing and two end cap 13,15 respectively, eccentric crankshaft 4 along the circumferential direction evenly distributes in casing 14, and eccentric crankshaft 4 is combined by running shaft and eccentric bushing, and eccentric bushing connects the middle part that is fixed in running shaft by key.Driven gear 3 is 4 helical gears, be separately positioned on the bearing support 5 of eccentric crankshaft 4 and the end between the end cap 15, connect with eccentric crankshaft 4 by key affixed, and with input driving gear 2 on the helical teeth engagement, 4 driven gears 3 evenly distribute along the circumferencial direction of input driving gears 2.The escapement 6 that has internal tooth has 4, be movably connected in respectively on the eccentric bushing of eccentric crankshaft 4 by bearing 8 respectively, the symmetry axis of escapement 6 is coaxial decentraction with the symmetry axis of driven gear 3, and the angle between 4 escapements 6 has identical internal tooth along the inner circumference of casing 4 escapements 6 that evenly distribute.Central gear 10 connects the inner that is fixed in output shaft 11 by key, and the internal tooth of 4 escapements 6 is meshed with the external tooth of central gear 10 simultaneously, because the number of teeth difference of the external tooth of the internal tooth of escapement 6 and central gear 10 is 1 tooth, forms few tooth difference transmission, outputting power.
Claims (4)
1, a kind of multicrank plurality of pendulums wheel planetary reducer, mainly comprise: input shaft (1), input driving gear (2), driven gear (3), eccentric crankshaft (4), escapement (6), central gear (10), output shaft (11), end cap (13,15), casing (14), it is characterized in that bearing support (5) in addition, bearing support (5) is arranged on the inboard of input driving gear (2), the central position of bearing support (5) is provided with through hole, through-hole diameter is greater than input shaft (1) and the inner diameter of output shaft (11), bearing support (5) is fixed in the bottom of casing (14), two end caps (13,15) be separately positioned on the two end part of casing (14), and fixedly connected with casing (14), input shaft (1) passes the center of an end end cap (15), the one end flexibly connects by bearing and end cap (15), and by bearing and bearing support (5) flexible connection, output shaft (11) passes the center of the other end end cap (13), the one end flexibly connects by bearing and end cap (13), and by bearing and bearing support (5) flexible connection, input shaft (1) is concentric out-of-alignment symmetry axis with output shaft (11), input driving gear (2) is fixed on the inner of input shaft (1), eccentric crankshaft (4) has 2-4, the two ends of each eccentric crankshaft (4) are respectively by bearing (8) and two end cap (13,15) flexibly connect, eccentric crankshaft (4) along the circumferential direction evenly distributes in casing (14), eccentric crankshaft (4) is combined by running shaft and eccentric bushing, eccentric bushing is fixed in the middle part of running shaft, driven gear (3) is 2-4 spur gear or helical gear, be separately positioned on the bearing support (5) of eccentric crankshaft (4) and the end between the end cap (15), fixedly connected with eccentric crankshaft (4), and with input driving gear (2) on straight-tooth or helical teeth engagement, 2-4 driven gear (3) evenly distributes along the circumferencial direction of input driving gear (2), the escapement (6) that has internal tooth has 2-4, be movably connected in respectively on the eccentric bushing of eccentric crankshaft by bearing (8) respectively, the symmetry axis of escapement (6) is coaxial decentraction with the symmetry axis of driven gear (3), angle between 2-4 the escapement (6) evenly distributes along the inner circumference of casing (14), 2-4 escapement (6) has identical internal tooth, central gear (10) is fixed in the inner of output shaft (11), the internal tooth of 2-4 escapement (6) is meshed with the external tooth of central gear (10) simultaneously, and the number of teeth difference of the external tooth of the internal tooth of escapement (6) and central gear (10) is the 1-4 tooth.
2, according to the described multicrank plurality of pendulums wheel of claim 1 planetary reducer, it is characterized in that a kind of double-crank double pendulum wheel planetary reducer, mainly comprise: input shaft (1), input driving gear (2), driven gear (3), eccentric crankshaft (4), bearing support (5), escapement (6), central gear (10), output shaft (11), end cap (13,15), casing (14), bearing support (5) is arranged on the inboard of input driving gear (2), the central position of bearing support (5) is provided with through hole, through-hole diameter is greater than input shaft (1) and the inner diameter of output shaft (11), bearing support (5) is welded on the bottom of casing (14), two end caps (13,15) be separately positioned on the two end part of casing (14), and be bolted to connection with casing (14), input shaft (1) passes the center of an end end cap (15), the one end flexibly connects by bearing and end cap (15), and by bearing and bearing support (5) flexible connection, output shaft (11) passes the center of the other end end cap (13), the one end flexibly connects by bearing and end cap (13), and by bearing and bearing support (5) flexible connection, input shaft (1) is concentric out-of-alignment symmetry axis with output shaft (11), input driving gear (2) is fixed on the inner of input shaft (1) by the key connection, eccentric crankshaft (4) has 2, the two ends of each eccentric crankshaft (4) are respectively by bearing and two end cap (13,15) flexibly connect, eccentric crankshaft (4) along the circumferential direction evenly distributes in casing (14), eccentric crankshaft (4) is combined by running shaft and eccentric bushing, eccentric bushing connects the middle part that is fixed in running shaft by key, driven gear (3) is 2 spur gears, be separately positioned on the bearing support (5) of eccentric crankshaft (4) and the end between the end cap (15), connect with eccentric crankshaft (4) affixed by key, and with input driving gear (2) on the straight-tooth engagement, 2 driven gears (3) evenly distribute along the circumferencial direction of input driving gear (2), the escapement (6) that has internal tooth has 2, be movably connected in respectively on the eccentric bushing of eccentric crankshaft (4) by bearing (8) respectively, the symmetry axis of escapement (6) is coaxial decentraction with the symmetry axis of driven gear (3), angle between 2 escapements (6) evenly distributes along the inner circumference of casing, 2 escapements (6) have identical internal tooth, central gear (10) connects the inner that is fixed in output shaft (11) by key, the internal tooth of 2 escapements (6) is meshed with the external tooth of central gear (10) simultaneously, and the number of teeth difference of the external tooth of the internal tooth of escapement (6) and central gear (10) is 1 tooth.
3, according to the described multicrank plurality of pendulums wheel of claim 1 planetary reducer, it is characterized in that a kind of three cranks, three escapement planetary reducers, mainly comprise: input shaft (1), input driving gear (2), driven gear (3), eccentric crankshaft (4), bearing support (5), escapement (6), central gear (10), output shaft (11), end cap (13,15), casing (14), bearing support (5) is arranged on the inboard of input driving gear (2), the central position of bearing support (5) is provided with through hole, through-hole diameter is greater than input shaft (1) and the inner diameter of output shaft (11), bearing support (5) is welded on the bottom of casing (14), two end caps (13,15) be separately positioned on the two end part of casing (14), and be bolted to connection with casing (14), input shaft (1) passes the center of an end end cap (15), the one end flexibly connects by bearing and end cap (15), and by bearing and bearing support (5) flexible connection, output shaft (11) passes the center of the other end end cap (13), the one end flexibly connects by bearing and end cap (13), and by bearing and bearing support (5) flexible connection, input shaft (1) is concentric out-of-alignment symmetry axis with output shaft (11), input driving gear (2) is fixed on the inner of input shaft (1) by the key connection, eccentric crankshaft (4) has 3, the two ends of each eccentric crankshaft (4) are respectively by bearing and two end cap (13,15) flexibly connect, eccentric crankshaft (4) along the circumferential direction evenly distributes in casing (14), eccentric crankshaft (4) is combined by running shaft and eccentric bushing, eccentric bushing connects the middle part that is fixed in running shaft by key, driven gear (3) is 3 helical gears, be separately positioned on the bearing support (5) of eccentric crankshaft (4) and the end between the end cap (15), connect with eccentric crankshaft (4) affixed by key, and with input driving gear (2) on the helical teeth engagement, 3 driven gears (3) evenly distribute along the circumferencial direction of input driving gear (2), the escapement (6) that has internal tooth has 3, be movably connected in respectively on the eccentric bushing of eccentric crankshaft (4) by bearing (8) respectively, the symmetry axis of escapement (6) is coaxial decentraction with the symmetry axis of driven gear (3), angle between 3 escapements (6) evenly distributes along the inner circumference of casing, 3 escapements (6) have identical internal tooth, central gear (10) connects the inner that is fixed in output shaft (11) by key, the internal tooth of 3 escapements (6) is meshed with the external tooth of central gear (10) simultaneously, and the number of teeth difference of the external tooth of the internal tooth of escapement (6) and central gear (10) is 1 tooth.
4, according to the described multicrank plurality of pendulums wheel of claim 1 planetary reducer, it is characterized in that a kind of four-throw four escapement planetary reducers, mainly comprise: input shaft (1), input driving gear (2), driven gear (3), eccentric crankshaft (4), bearing support (5), escapement (6), central gear (10), output shaft (11), end cap (13,15), casing (14), bearing support (5) is arranged on the inboard of input driving gear (2), the central position of bearing support (5) is provided with through hole, through-hole diameter is greater than input shaft (1) and the inner diameter of output shaft (11), bearing support (5) is welded on the bottom of casing (14), two end caps (13,15) be separately positioned on the two end part of casing (14), and be bolted to connection with casing (14), input shaft (1) passes the center of an end end cap (15), the one end flexibly connects by bearing and end cap (15), and by bearing and bearing support (5) flexible connection, output shaft (11) passes the center of the other end end cap (13), the one end flexibly connects by bearing and end cap (13), and by bearing and bearing support (5) flexible connection, input shaft (1) is concentric out-of-alignment symmetry axis with output shaft (11), input driving gear (2) is fixed on the inner of input shaft (1) by the key connection, eccentric crankshaft (4) has 4, the two ends of each eccentric crankshaft (4) are respectively by bearing and two end cap (13,15) flexibly connect, eccentric crankshaft (4) along the circumferential direction evenly distributes in casing (14), eccentric crankshaft (4) is combined by running shaft and eccentric bushing, eccentric bushing connects the middle part that is fixed in running shaft by key, driven gear (3) is 4 helical gears, be separately positioned on the bearing support (5) of eccentric crankshaft (4) and the end between the end cap (15), connect with eccentric crankshaft (4) affixed by key, and with input driving gear (2) on the helical teeth engagement, 4 driven gears (3) evenly distribute along the circumferencial direction of input driving gear (2), the escapement (6) that has internal tooth has 4, be movably connected in respectively on the eccentric bushing of eccentric crankshaft (4) by bearing (8) respectively, the symmetry axis of escapement (6) is coaxial decentraction with the symmetry axis of driven gear (3), angle between 4 escapements (6) has identical internal tooth along even 4 escapements (6) that distribute of the inner circumference of casing, central gear (10) connects the inner that is fixed in output shaft (11) by key, the internal tooth of 4 escapements (6) is meshed with the external tooth of central gear (10) simultaneously, and the number of teeth difference of the external tooth of the internal tooth of escapement (6) and central gear (10) is 1 tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620110978 CN200958562Y (en) | 2006-07-19 | 2006-07-19 | Multi-crank and multi-balance planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620110978 CN200958562Y (en) | 2006-07-19 | 2006-07-19 | Multi-crank and multi-balance planetary reducer |
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| Publication Number | Publication Date |
|---|---|
| CN200958562Y true CN200958562Y (en) | 2007-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620110978 Expired - Fee Related CN200958562Y (en) | 2006-07-19 | 2006-07-19 | Multi-crank and multi-balance planetary reducer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982674A (en) * | 2010-11-22 | 2011-03-02 | 重庆钢铁(集团)有限责任公司 | Annular speed reducer |
| CN101429989B (en) * | 2007-11-09 | 2012-12-05 | 纳博特斯克株式会社 | Eccentric oscillating gear mechanism and industrial robot joint construction using the same |
| CN103765042A (en) * | 2011-08-25 | 2014-04-30 | 纳博特斯克有限公司 | Gear device |
| CN108533691A (en) * | 2017-03-03 | 2018-09-14 | 湖南中车时代电动汽车股份有限公司 | A kind of automobile-used retarder |
| CN111828550A (en) * | 2019-04-15 | 2020-10-27 | 纳博特斯克有限公司 | Reducers and Robots |
-
2006
- 2006-07-19 CN CN 200620110978 patent/CN200958562Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429989B (en) * | 2007-11-09 | 2012-12-05 | 纳博特斯克株式会社 | Eccentric oscillating gear mechanism and industrial robot joint construction using the same |
| CN101982674A (en) * | 2010-11-22 | 2011-03-02 | 重庆钢铁(集团)有限责任公司 | Annular speed reducer |
| CN103765042A (en) * | 2011-08-25 | 2014-04-30 | 纳博特斯克有限公司 | Gear device |
| CN103765042B (en) * | 2011-08-25 | 2016-05-18 | 纳博特斯克有限公司 | Geared system |
| CN108533691A (en) * | 2017-03-03 | 2018-09-14 | 湖南中车时代电动汽车股份有限公司 | A kind of automobile-used retarder |
| CN111828550A (en) * | 2019-04-15 | 2020-10-27 | 纳博特斯克有限公司 | Reducers and Robots |
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