CN109058393A - Eccentrically arranged type mechanical reduction gear - Google Patents
Eccentrically arranged type mechanical reduction gear Download PDFInfo
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- CN109058393A CN109058393A CN201811287506.XA CN201811287506A CN109058393A CN 109058393 A CN109058393 A CN 109058393A CN 201811287506 A CN201811287506 A CN 201811287506A CN 109058393 A CN109058393 A CN 109058393A
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- gear
- eccentrically arranged
- output shaft
- arranged type
- type mechanical
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H2001/323—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 comprising eccentric crankshafts driving or driven by a gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of eccentrically arranged type mechanical reduction gears, comprising: cabinet, input gear, duplicate gear, planetary gear, planet carrier, crank axle, wobble gear and internal gear；Duplicate gear is connected to cabinet along center axis thereof；Input gear is engaged with the canine tooth wheel portion of duplicate gear；The pinion part of duplicate gear is engaged with planetary gear；Crankshaft rotation is connected to planet carrier；Planet carrier includes: pivot flange and output shaft；Output shaft is fixed to pivot flange；Crank axle is formed with first conical surface；Planetary gear is formed with second conical surface for being bonded with first conical surface；Eccentrically arranged type mechanical reduction gear further includes the pressure regulating bolt for adjusting contact pressure between first conical surface and second conical surface；Wobble gear is formed with the crank axis hole passed through for crank axle and the output shaft hole passed through for output shaft；The cooperation of the eccentric structure of wobble gear and crank axle.The compact dimensions of eccentrically arranged type mechanical reduction gear, bigger, high reliablity of slowing down.
Description
Technical field
The present invention relates to a kind of mechanical reduction gears, and in particular to a kind of eccentrically arranged type mechanical reduction gear.
Background technique
It is larger mostly to there is structure size in traditional deceleration device, smaller and sealing of slowing down, install it is mating more multiple
The disadvantages of miscellaneous.Such as a kind of mechanical reduction gear, external tooth gear disclosed in patent document WO2009119737A1 pass through crank
The effect of the eccentric part of axis is engaged with internal gear on one side, shakes rotation on one side, is slowed down to realize to the revolving speed inputted
And the effect to the torque amplification inputted.The gear deceleration mounted box is in the planet carrier with pivot flange and output shaft
Center portion is formed through hole.The cylinder for interting cable is provided in through hole.This traditional deceleration device due to
Must in cylinder wildcard line or pipeline etc., so causing the outer diameter of the deceleration device larger；Further, since only two-stage is driven
Structure causes the speed ratio of the deceleration device also smaller；And in use, when especially bearing frequent impact load, system
Reliability is not high；It is finally also more numerous due to being installed sealing when the deceleration device and servo motor match
It is trivial, it is not easy to convenient for assembly.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of compact dimensions, bigger, high reliablity of slowing down
And installation matches conveniently eccentrically arranged type mechanical reduction gear.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of eccentrically arranged type mechanical reduction gear, comprising: cabinet, input gear, duplicate gear, planetary gear, planet carrier, crank axle,
Wobble gear and internal gear；Duplicate gear is connected to cabinet along center axis thereof；The gear wheel of input gear and duplicate gear
Portion's engagement；The pinion part of duplicate gear is engaged with planetary gear；Crankshaft rotation is connected to planet carrier；Planet carrier includes: support
Flange and output shaft；Output shaft is fixed to pivot flange；Crank axle is formed with first conical surface；Planetary gear is formed with for
Second conical surface of one conical surface fitting；Eccentrically arranged type mechanical reduction gear further includes indirectly for adjusting first conical surface and second conical surface
The pressure regulating bolt of touch pressure；Planetary gear is fixed to crank axle by pressure regulating bolt；Internal gear is fixed to cabinet；It swings
Gear is engaged with internal gear；Wobble gear is formed with the crank axis hole passed through for crank axle and the output shaft passed through for output shaft
Hole；The cooperation of the eccentric structure of wobble gear and crank axle；Crank axle drives wobble gear to revolve around central axis；Wobble gear band
Output shaft is moved around central axis rotation.
Further, output shaft is bolted to pivot flange；What output shaft and pivot flange were constituted is integrally formed
There is pin hole；Planet carrier further include: taper bolt and the holding screw for limiting taper bolt position；Taper bolt is set in pin hole；
Circular cone pin connection pivot flange and output shaft；Holding screw is threadedly coupled with pivot flange composition.
Further, eccentrically arranged type mechanical reduction gear further include: sealing flange and tapered roller bearing；Output shaft is formed with
For installing the mounting hole of crank axle；The outer ring of tapered roller bearing is set in the periphery of crank axle；Tapered roller bearing it is interior
Circle is contacted with the hole wall of mounting hole；Sealing flange is fixed to one end of output shaft closing mounting hole；
The outer diameter of sealing flange is less than the outer diameter of output shaft.
Further, eccentrically arranged type mechanical reduction gear further include: outside framework oil seal；Outside framework oil seal is set on the outer of output shaft
Week；Outside framework oil seal connects output shaft and internal gear.
Further, eccentrically arranged type mechanical reduction gear further include: self-sealing deep groove ball bearing and be used to support input gear
Motor flange；Motor flange is fixed to cabinet；Self-sealing deep groove ball bearing is socketed in the periphery of input gear；Self-sealing zanjon
Ball bearing connects motor flange and input gear；O-ring seal is equipped between internal gear and cabinet.
Further, internal gear is equipped with the needle tooth for cooperating with wobble gear.
Further, one end of duplicate gear is made up of bearing and cabinet and is rotatablely connected；The other end of duplicate gear is logical
It crosses bearing and pivot flange is constituted and is rotatablely connected.
Further, eccentrically arranged type mechanical reduction gear, further includes: base bearing；Pivot flange is connected to interior by base bearing
Gear.
Further, eccentrically arranged type mechanical reduction gear, further includes: needle bearing；Crank axle includes: central shaft rod and bias
Block；Central shaft rod is formed with first conical surface；Eccentric block is cylindrical body；The axis of the axis runout central shaft rod of eccentric block；Needle bearing
It is socketed in the periphery of the eccentric block of crank axle；Needle bearing is located in crank axis hole；The eccentric block of needle bearing connecting crank axis
And wobble gear.
Further, planet carrier further include: axis washer；Pressure regulating bolt passes through axis washer；The one of axis washer
End is contacted with planetary gear, and the other end of axis washer is contacted with the head of compression bolts；The bar portion and crank of pressure regulating bolt
Axis, which is constituted, to be threadedly coupled.
The invention has the beneficial effects that the eccentrically arranged type mechanical reduction gear compact dimensions provided, have three-level transmission
To realize biggish reduction ratio range.
Planetary gear and crank axle use cone match, receive increase shock loading when, can by planetary gear relative to
Automatic offloading functions are realized in the movement of crank axle, and then the phenomenon that avoid large torque that from destroying the planetary gear flank of tooth, improve device
Reliability.
The axis that holding screw limits taper bolt is mobile, avoids the loosening of taper bolt, improves the reliability of device.
Sealed reliable.Sealing flange is sealed the end face of output shaft, reduces the manufacturing cost of sealing element, improves
The reliability of sealing function.The outer diameter of sealing flange is less than the outer diameter of output shaft simultaneously, and outside executes structure and The gear deceleration fills
When setting installation, radial positioning can be carried out by the outer diameter of output shaft, reduce requirement on machining accuracy and the reduction of sealing flange
Manufacturing cost.
Only needing to change motor flange can be realized the different servo motor of adaptation.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of eccentrically arranged type mechanical reduction gear；
Fig. 2 is cross-sectional view of the eccentrically arranged type mechanical reduction gear in Fig. 1 along I-I direction；
Fig. 3 is cross-sectional view of the eccentrically arranged type mechanical reduction gear in Fig. 1 along II-II direction；
Fig. 4 is cross-sectional view of the eccentrically arranged type mechanical reduction gear in Fig. 1 along III-III direction；
Fig. 5 is schematic diagram of the eccentrically arranged type mechanical reduction gear in Fig. 1 along the direction A；
Fig. 6 is schematic diagram of the eccentrically arranged type mechanical reduction gear in Fig. 1 along the direction B；
Fig. 7 is the partial enlarged view at the C of the eccentrically arranged type mechanical reduction gear in Fig. 1；
Fig. 8 is the partial enlarged view at the D of the eccentrically arranged type mechanical reduction gear in Fig. 1；
Fig. 9 is the partial enlarged view at the E of the eccentrically arranged type mechanical reduction gear in Fig. 1.
Eccentrically arranged type mechanical reduction gear 10, cabinet 11, input gear 12, duplicate gear 13, canine tooth wheel portion 131, pinion gear
Portion 132, planetary gear 14, planet carrier 15, crank axle 16, central shaft rod 17, eccentric block 18, wobble gear 19, crank axis hole 191 are defeated
Shaft outlet hole 192, internal gear 20, pivot flange 21, output shaft 22, mounting hole 221, first conical surface 161, second conical surface 141, pressure
Adjusting bolt 23, pin hole 151, taper bolt 24, holding screw 25, sealing flange 26, tapered roller bearing 27, outside framework oil seal 28,
Self-sealing deep groove ball bearing 29, motor flange 30, O-ring seal 31, needle tooth 32, base bearing 33, needle bearing 34, axis washer
35, the first hole retaining ring 36, the first screw 37, the second axis washer 38, third shaft block ring 39, the second hole retaining ring 40, the
Two screws 41, third screw 42, bearing 43.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 9, a kind of eccentrically arranged type mechanical reduction gear 10, comprising: cabinet 11, input gear 12, duplex-gear
Wheel 13, planetary gear 14, planet carrier 15, crank axle 16, wobble gear 19 and internal gear 20.Planet carrier 15 includes: pivot flange 21
With output shaft 22.Output shaft 22 is fixed to pivot flange 21.Duplicate gear 13 is equipped with canine tooth wheel portion 131 and pinion part 132.
Specifically, input shaft and input gear 12 pass through the transfer mode input power of keyway, pass through input gear 12
Input higher revolving speed and lower torque.Input shaft is the motor shaft of servo motor.
Input gear 12 with the deceleration of the canine tooth wheel portion 131 of duplicate gear 13 engages that canine tooth wheel portion 131 is driven to rotate, will
Revolving speed and torque pass to duplicate gear 13, i.e., input power are passed to duplicate gear 13 to realize that primary speed-down is driven, dropped
The slow-speed of revolution and increase torque.
Pinion part 132 with the deceleration of planetary gear 14 engages that planetary gear 14 is driven to rotate, and input power is transferred to row
To realize that double reduction is driven, progress one reduces revolving speed and increases torque star-wheel 14.
The rotation of planetary gear 14 is to drive crank axle 16 to rotate.Since crank axle 16 is eccentric structure, and wobble gear 19
Cooperate with the eccentric structure of crank axle 16.So crank axle 16 drive wobble gear 19 around output shaft 22 central axis revolution from
And input power is transferred to wobble gear 19.
Since wobble gear 19 is engaged with internal gear 20, thus wobble gear 19 while around center axis thereof by
The opposition of internal gear 20 realizes rotation.Drive planet carrier 15 around center axis thereof, i.e. band when 19 rotation of wobble gear
Dynamic output shaft 22 realizes power output around center axis thereof, realizes three-level deceleration transmission, further decreases revolving speed and increasing
Big torque.
Eccentrically arranged type mechanical reduction gear 10 has three-level deceleration transmission, so as to biggish reduction ratio range, energy
Enough it is suitable for a variety of industrial robots and automation application demand.
As a preferred embodiment, eccentrically arranged type mechanical reduction gear 10, further includes: needle bearing 34.
Specifically, needle bearing 34 is set between crank axle 16 and wobble gear 19 thus by the revolving speed of crank axle 16
And torque is transferred to wobble gear 19, makes wobble gear 19 under the action of crank structure and internal gear 20 while realizing around center
The revolution and rotation of axis.
As a preferred embodiment, duplicate gear 13 is connected to cabinet 11 along center axis thereof.Input gear
12 engage with the canine tooth wheel portion 131 of duplicate gear 13.The pinion part 132 of duplicate gear 13 is engaged with planetary gear 14.Crank axle
16 are rotatablely connected to planet carrier 15.Internal gear 20 is fixed to cabinet 11.Wobble gear 19 is engaged with internal gear 20.Wobble gear 19
It is formed with the crank axis hole 191 passed through for crank axle 16 and the output shaft hole 192 passed through for output shaft 22.
Furthermore, crank axle 16 is formed with first conical surface 161.Planetary gear 14 be formed with for first conical surface 161
Second conical surface 141 of fitting.Eccentrically arranged type mechanical reduction gear 10 further includes for adjusting first conical surface 161 and second conical surface 141
Between contact pressure pressure regulating bolt 23.Planetary gear 14 is fixed to crank axle 16 by pressure regulating bolt 23.
Specifically, setting can be passed through when planetary gear 14 is fixed to crank axle 16 using pressure regulating bolt 23
First cone of second conical surface 141 and crank axle 16 of the specific screw-down torque value of pressure regulating bolt 23 and then determining planetary gear 14
The friction torque value that face 161 can bear when contacting can guarantee have greater impact load to motor side in load end in this way
To when transmitting, when such as transmitting torque more than the friction torque value, crank axle 16 can rotate relative to planetary gear, to rise
To self-discharging effect, and then generation the phenomenon that avoid large torque that from destroying 14 flank of tooth of planetary gear.Motor is also protected simultaneously.
Furthermore, crank axle 16 includes: central shaft rod 17 and eccentric block 18.Central shaft rod 17 is formed with first conical surface 161.
Eccentric block 18 is cylindrical body.The axis of the axis runout central shaft rod 17 of eccentric block 18.Needle bearing 34 is socketed in crank axle 16
The periphery of eccentric block 18.Needle bearing 34 is located in crank axis hole 191.18 He of eccentric block of 34 connecting crank axis 16 of needle bearing
Wobble gear 19.
Specifically, the axis of the axis runout central shaft rod 17 of eccentric block 18 is to form eccentric structure.Needle bearing 34
It is socketed on the periphery of eccentric block 18, drives wobble gear 19 to realize under the action of eccentric structure and revolves around central axis.
As a preferred embodiment, output shaft 22 is bolted to pivot flange 21.Output shaft 22 and branch
What staying orchid 21 was constituted is formed integrally with pin hole 151.Planet carrier 15 further include: taper bolt 24 and for limiting 24 position of taper bolt
Holding screw 25.Taper bolt 24 is set in pin hole 151.Taper bolt 24 connects pivot flange 21 and output shaft 22.Clamp screw
Nail 25 is threadedly coupled with the composition of pivot flange 21.
Specifically, taper bolt 24 is used for the relative position being accurately positioned between output shaft 22 and pivot flange 21.Support
Flange 21 and output shaft 22 pass through holding screw 25, taper bolt 24 and third screw 42 and are installed and fixed into an entirety to form row
Carrier 15.The axial displacement that taper bolt 24 can be limited by holding screw 25 prevents taper bolt 24 from falling off from pin hole 151.
Especially when external load changes greatly, shock loading is frequent, it can be avoided planet carrier 15 and directly bear corresponding frequent impact
Load may result in taper bolt 24 and generate loosening.Holding screw 25 is threadedly coupled limitation taper bolt 24 with the composition of pivot flange 21
Axial position.Prevent holding screw 25 from loosening specifically, screw thread glue can be used, to further lower 24 axis of taper bolt
To a possibility that loosening.
Furthermore, pivot flange 21 is fixed to output shaft using third screw 42 by eccentrically arranged type mechanical reduction gear 10
22, then pivot flange 21 and output shaft 22 are accurately positioned with taper bolt 24, guaranteeing eccentrically arranged type mechanical reduction gear 10
Output power accuracy while, increase the stability and reliability of structure.
As a preferred embodiment, eccentrically arranged type mechanical reduction gear 10 further include: sealing flange 26 and circular cone rolling
Sub- bearing 27.Output shaft 22 is formed with the mounting hole 221 for installing crank axle 16.The outer ring of tapered roller bearing 27 is set in
The periphery of crank axle 16.The inner ring of tapered roller bearing 27 is contacted with the hole wall of mounting hole 221.Sealing flange 26 is fixed to output
One end of the closing mounting hole 221 of axis 22.The outer diameter of sealing flange 26 is less than the outer diameter of output shaft 22.
Specifically, sealing flange 26, which is fixed to output shaft 22, closes one end of mounting hole 221 with connecing to output shaft 22
Contravention face is sealed, and the grease in mounting hole 221 is avoided to leak out gear-box along the hole wall of mounting hole 221.And sealing flange
26 outer diameter is less than the outer diameter of output shaft 22, can guarantee that exterior operator is installed with eccentrically arranged type mechanical reduction gear 10
When radial positioning can be done using the outer diameter of output shaft 22.Meanwhile the design requirement of sealing flange 26 can be effectively reduced and add
Work cost.
Furtherly, since the end face seal of output shaft 22 is preferable, exterior operator need to be only bolted i.e.
It can be conveniently and efficiently installed together with eccentrically arranged type mechanical reduction gear 10, without the concern for the seal request of its mounting surface, drop
Low operation difficulty and then improve its service efficiency.
As a preferred embodiment, eccentrically arranged type mechanical reduction gear 10 further include: outside framework oil seal 28.Outside framework oil seal
28 are set on the periphery of output shaft 22.Outside framework oil seal 28 connects output shaft 22 and internal gear 20.
Specifically, outside framework oil seal 28 connects output shaft 22 and internal gear 20, grease can be prevented from output shaft 22 and interior
Gear-box is leaked out at the contact surface of gear 20.
As a preferred embodiment, eccentrically arranged type mechanical reduction gear 10 further include: self-sealing deep groove ball bearing 29
With the motor flange 30 for being used to support input gear 12.Motor flange 30 is fixed to cabinet 11.29 sets of self-sealing deep groove ball bearing
It connects in the periphery of input gear 12.Self-sealing deep groove ball bearing 29 connects motor flange 30 and input gear 12.
Specifically, self-sealing deep groove ball bearing 29 is set between motor flange 30 and input gear 12, it can be to electricity
Gap between machine flange 30 and input gear 12 is sealed, and the grease at input gear 12 is avoided to leak out tooth from the gap
Roller box.
Furtherly, the connection size of motor flange can be modified according to the size of different motor input shafts, thus
It can adapt to different motors.
As a preferred embodiment, being equipped with O-ring seal 31 between internal gear 20 and cabinet 11.
Specifically, internal gear 20 is fixed to cabinet 11 by the second screw 41.O-ring seal 31 is set to internal gear 20
Between cabinet 11, contact gap exudation gear of the grease in cabinet 11 between internal gear 20 and cabinet 11 can be avoided
Case.
As a preferred embodiment, internal gear 20 is equipped with the needle tooth 32 for cooperating with wobble gear 19.
Connect as a preferred embodiment, one end of duplicate gear 13 constitutes rotation by bearing 43 and cabinet 11
It connects.The other end of duplicate gear 13 is made up of bearing 43 and pivot flange 21 and is rotatablely connected.
As a preferred embodiment, eccentrically arranged type mechanical reduction gear 10, further includes: base bearing 33.Pivot flange
21 are connected to internal gear 20 by base bearing 33.
As a preferred embodiment, planet carrier 15 further include: axis washer 35.Pressure regulating bolt 23 passes through axis
With washer 35.One end of axis washer 35 is contacted with planetary gear 14, and axis is connect with the head of the other end of washer 35 and compression bolts
Touching.The bar portion of pressure regulating bolt 23 is threadedly coupled with the composition of crank axle 16.
As a kind of specific embodiment, the first hole retaining ring 36 is set in mounting hole 221 and is located at taper roller
To avoid tapered roller bearing 27 axial displacement occurs for one end of bearing 27.
As a kind of specific embodiment, sealing flange 26 is fixed to output shaft 22 by the first screw 37.
As a kind of specific embodiment, the second axis washer is equipped between crank axle 16 and tapered roller bearing 27
38.Second axis is with washer 38 between bearing 27 and crank axle 16.
As a kind of specific embodiment, eccentrically arranged type mechanical reduction gear 10 further includes third shaft block ring 39.Third
Shaft block ring 39 is socketed on the periphery of input gear 12 to carry out axially position to self-sealing deep groove ball bearing 29.
As a kind of specific embodiment, eccentrically arranged type mechanical reduction gear 10 further includes the second hole retaining ring 40.Second
Hole retaining ring 40 is socketed on the periphery of input gear 12.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of eccentrically arranged type mechanical reduction gear characterized by comprising cabinet, input gear, duplicate gear, planetary gear,
Planet carrier, crank axle, wobble gear and internal gear；The duplicate gear is connected to the cabinet along center axis thereof；It is described
Input gear is engaged with the canine tooth wheel portion of the duplicate gear；The pinion part of the duplicate gear is engaged with the planetary gear；
The crankshaft rotation is connected to the planet carrier；The planet carrier includes: pivot flange and output shaft；The output shaft is solid
The fixed extremely pivot flange；The crank axle is formed with first conical surface；The planetary gear be formed with for first conical surface
Second conical surface of fitting；The eccentrically arranged type mechanical reduction gear further includes for adjusting first conical surface and second conical surface
Between contact pressure pressure regulating bolt；The planetary gear is fixed to the crank axle by the pressure regulating bolt；Institute
It states internal gear and is fixed to the cabinet；The wobble gear is engaged with the internal gear；The wobble gear is formed with described in confession
The crank axis hole that crank axle passes through and the output shaft hole passed through for the output shaft；The wobble gear is inclined with the crank axle
Core structure cooperation；The crank axle drives the wobble gear to revolve around the central axis；Described in the wobble gear drives
Output shaft is around the central axis rotation.
2. eccentrically arranged type mechanical reduction gear according to claim 1, which is characterized in that
The output shaft is bolted to the pivot flange；The whole shape that the output shaft and the pivot flange are constituted
At there is pin hole；The planet carrier further include: taper bolt and the holding screw for limiting the taper bolt position；The taper bolt
It is set in the pin hole；Pivot flange described in the circular cone pin connection and the output shaft；The holding screw and the branch
Staying orchid, which is constituted, to be threadedly coupled.
3. eccentrically arranged type mechanical reduction gear according to claim 1, which is characterized in that
The eccentrically arranged type mechanical reduction gear further include: sealing flange and tapered roller bearing；The output shaft, which is formed with, to be used for
The mounting hole of the crank axle is installed；The outer ring of the tapered roller bearing is set in the periphery of the crank axle；The circular cone
The inner ring of roller bearing is contacted with the hole wall of the mounting hole；The sealing flange is fixed to the output shaft and closes the installation
The one end in hole；The outer diameter of the sealing flange is less than the outer diameter of the output shaft.
4. eccentrically arranged type mechanical reduction gear according to claim 3, which is characterized in that
The eccentrically arranged type mechanical reduction gear further include: outside framework oil seal；The outside framework oil seal is set on the outer of the output shaft
Week；The outside framework oil seal connects the output shaft and the internal gear.
5. eccentrically arranged type mechanical reduction gear according to claim 4, which is characterized in that
The eccentrically arranged type mechanical reduction gear further include: self-sealing deep groove ball bearing and the motor for being used to support the input gear
Flange；The motor flange is fixed to the cabinet；The self-sealing deep groove ball bearing is socketed in the periphery of the input gear；
The self-sealing deep groove ball bearing connects the motor flange and the input gear；It is set between the internal gear and the cabinet
There is O-ring seal.
6. eccentrically arranged type mechanical reduction gear according to claim 1, which is characterized in that
The internal gear is equipped with the needle tooth for cooperating with the wobble gear.
7. eccentrically arranged type mechanical reduction gear according to claim 1, which is characterized in that
One end of the duplicate gear is made up of bearing and the cabinet and is rotatablely connected；The other end of the duplicate gear passes through
Bearing and pivot flange, which are constituted, to be rotatablely connected.
8. eccentrically arranged type gearbox speed reduction device according to claim 1, which is characterized in that
The eccentrically arranged type mechanical reduction gear, further includes: base bearing；The pivot flange is connected to described by the base bearing
Internal gear.
9. eccentrically arranged type mechanical reduction gear according to claim 1, which is characterized in that
The eccentrically arranged type mechanical reduction gear, further includes: needle bearing；The crank axle includes: central shaft rod and eccentric block；It is described
Central shaft rod is formed with first conical surface；The eccentric block is cylindrical body；Central shaft rod described in the axis runout of the eccentric block
Axis；The periphery of the eccentric block of the needle bearing socket in the crank axle；The needle bearing is located at the crank
In axis hole；The needle bearing connects the eccentric block and the wobble gear of the crank axle.
10. according to claim 1 to eccentrically arranged type gearbox speed reduction device described in 9 any one, which is characterized in that
The planet carrier further include: axis washer；The pressure regulating bolt passes through the axis washer；The axis washer
One end is contacted with the planetary gear, and the other end of axis washer is contacted with the head of the compression bolts；The pressure tune
The bar portion for saving bolt is threadedly coupled with crank axle composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287506.XA CN109058393A (en) | 2018-10-31 | 2018-10-31 | Eccentrically arranged type mechanical reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287506.XA CN109058393A (en) | 2018-10-31 | 2018-10-31 | Eccentrically arranged type mechanical reduction gear |
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| CN109058393A true CN109058393A (en) | 2018-12-21 |
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| CN201811287506.XA Pending CN109058393A (en) | 2018-10-31 | 2018-10-31 | Eccentrically arranged type mechanical reduction gear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595300A (en) * | 2018-12-28 | 2019-04-09 | 南京高速齿轮制造有限公司 | The deceleration device at power interflow and its reduction gearbox at power interflow |
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