CN208457120U - Planetary reduction gear and transmission system - Google Patents
Planetary reduction gear and transmission system Download PDFInfo
- Publication number
- CN208457120U CN208457120U CN201821125363.8U CN201821125363U CN208457120U CN 208457120 U CN208457120 U CN 208457120U CN 201821125363 U CN201821125363 U CN 201821125363U CN 208457120 U CN208457120 U CN 208457120U
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- output shaft
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- power
- input shaft
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- 230000009467 reduction Effects 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 6
- 239000000314 lubricant Substances 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000019892 Stellar Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001970 hydrokinetic effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model relates to retarder technical fields, are related to planetary reduction gear and transmission system.Planetary reduction gear includes shell, power input shaft and power output shaft；Power input shaft and power output shaft are arranged in shell, and power output shaft and power head gear shaft are coaxially disposed；Specifically, one end of power output shaft towards power output shaft offers the first notch and the second notch, second notch is located in the first notch, and first notch size be greater than the second notch size, one end of power input shaft towards power output shaft is provided with the protrusion being adapted to the second notch, size of the size of protrusion less than the second notch, when attached, there can be gap between power input shaft and power output shaft, lubricant is provided in gap, so as to form fluid bearing between power output shaft and power input shaft, reduce the abrasion between power output shaft and power input shaft, improve the physical life of planetary reduction gear.Transmission system has above-mentioned advantage compared with prior art.
Description
Technical field
The utility model relates to retarder technical fields, in particular to planetary reduction gear and transmission system.
Background technique
The principle of planetary reduction gear is a kind of power transmission mechanism, using the velocity transducer of gear, by the revolution of motor
Number decelerates to desired winding number, and obtains the mechanism of larger torque.The few gear of the number of teeth on planetary reduction gear transmission shaft is nibbled
The gear wheel on output shaft is closed to achieve the purpose that deceleration.Planetary reduction gear planet is exactly to surround Stellar rotation as its name suggests, because
This planetary reduction gear is exactly in this way, there are three the retarders that planetary gear surrounds the rotation of a sun gear.With planetary reduction gear row
The continuous rapid development of industry, more and more industries and different enterprises have all applied to planetary reduction gear.
But planetary reduction gear in the prior art abrasion is larger, the service life is low.
It is asked therefore it provides a kind of planetary reduction gear that the service life is high becomes those skilled in the art's important technology to be solved
Topic.
Utility model content
The purpose of this utility model is to provide a kind of planetary reduction gear and transmission systems, are worn in the prior art with alleviating
It is larger, service life low technical problem.
In a first aspect, the utility model embodiment provides a kind of planetary reduction gear, including shell, power input shaft and dynamic
Power output shaft；
The power input shaft and the power output shaft are arranged in the shell, the power output shaft with it is described
The coaxial arrangement of power head gear shaft；
One end of the power output shaft towards the power output shaft offers the first notch and the second notch, and described
Two notches are located in first notch, and the size of first notch is greater than the size of second notch, so that described
Fluid bearing is formed between power output shaft and the power input shaft；
One end of the power input shaft towards the power output shaft is provided with the protrusion being adapted to second notch,
The size of the protrusion is less than the size of second notch.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the axis of the axis of above-mentioned first notch and second notch is overlapped with the axis of the power output shaft.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, the end face of above-mentioned power input shaft towards one end of the power output shaft is in cambered surface.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, above-mentioned first notch is in oval.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, gear hole is offered at the axis of above-mentioned planetary gear pedestal, the gear hole is engaged with the power output shaft；
The planetary gear engaged with the power input shaft is provided on the planetary gear pedestal, be provided in the shell with
The gear ring of the planetary gear engagement.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, planetary gear fixing axle is provided on above-mentioned planetary gear pedestal, the planetary gear is arranged in the planetary gear fixing axle；
The setting of planetary gear fixing axle end is fluted, is provided with circlip in the groove.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, it is provided with locknut on above-mentioned power output shaft, first through hole is offered on the locknut, is offered on the power output shaft
Threaded hole, the locknut pass through bolt and the power output axis connection.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, the second through-hole corresponding with the first through hole is offered on above-mentioned shell, to facilitate user installation.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect,
In, bearing is provided between both above-mentioned power input shaft and the power output shaft and the shell.
Second aspect, the utility model embodiment provide a kind of transmission system, including motor and the planetary reduction gear
Device；
The motor output shaft is connect with the power input shaft.
The utility model has the advantages that
The utility model embodiment provides a kind of planetary reduction gear, including shell, power input shaft and power output shaft；
Power input shaft and power output shaft are arranged in shell, and power output shaft and power head gear shaft are coaxially disposed；Specifically,
One end of power output shaft towards power output shaft offers the first notch and the second notch, and the second notch is located at the first notch
It is interior, and the size of the first notch be greater than the second notch size, one end of power input shaft towards power output shaft be provided with
Second notch adaptation protrusion, raised size less than the second notch size, when attached, power input shaft and power output
There can be gap between axis, lubricant is provided in gap, so as to form fluid between power output shaft and power input shaft
Bearing reduces the abrasion between power output shaft and power input shaft, improves the physical life of planetary reduction gear.
The utility model embodiment provides a kind of transmission system, including motor and planetary reduction gear；Motor output shaft with
Power input shaft connection.Transmission system has above-mentioned advantage compared with prior art, and details are not described herein again.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of planetary reduction gear provided by the embodiment of the utility model；
Fig. 2 is the knot of power input shaft and power output axis connection in planetary reduction gear provided by the embodiment of the utility model
Structure schematic diagram；
Fig. 3 is the sectional view of planetary reduction gear provided by the embodiment of the utility model.
Icon: 100- shell；110- planetary gear pedestal；120- planetary gear；130- gear ring；140- locknut；150-
Second through-hole；160- threaded hole；200- power input shaft；210- protrusion；300- power output shaft；The first notch of 310-；
The second notch of 320-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
With reference to shown in Fig. 1-Fig. 3:
The utility model embodiment provides a kind of planetary reduction gear, including shell 100, power input shaft 200 and power
Output shaft 300；Power input shaft 200 and power output shaft 300 are arranged in shell 100, power output shaft 300 and power head
Gear shaft coaxial arrangement；One end of power output shaft 300 towards power output shaft 300 offers the first notch 310 and second and lacks
Mouth 320, the second notch 320 is located in the first notch 310, and the size of the first notch 310 is greater than the size of the second notch 320,
So as to form fluid bearing between power output shaft 300 and power input shaft 200；Power input shaft 200 is towards power output shaft
300 one end is provided with the protrusion 210 being adapted to the second notch 320, the size of the size of protrusion 210 less than the second notch 320.
The utility model embodiment provides a kind of planetary reduction gear, including shell 100, power input shaft 200 and power
Output shaft 300；Power input shaft 200 and power output shaft 300 are arranged in shell 100, power output shaft 300 and power head
Gear shaft coaxial arrangement；Specifically, one end of power output shaft 300 towards power output shaft 300 offers 310 He of the first notch
Second notch 320, the second notch 320 are located in the first notch 310, and the size of the first notch 310 is greater than the second notch 320
Size, one end of power input shaft 200 towards power output shaft 300 is provided with the protrusion 210 being adapted to the second notch 320, convex
Rise 210 size less than the second notch 320 size, when attached, meeting between power input shaft 200 and power output shaft 300
There are gaps, and lubricant is provided in gap, so as to form flow axis between power output shaft 300 and power input shaft 200
It holds, reduces the abrasion between power output shaft 300 and power input shaft 200, improve the physical life of planetary reduction gear.
It is lacked specifically, one end of power output shaft 300 towards power output shaft 300 offers the first notch 310 and second
Mouth 320, the second notch 320 cooperate with the protrusion 210 on power input shaft 200, are used for auxiliary positioning power input shaft 200, and
And at work, lubricant can be set in the first notch 310 and the second notch 320, so that protrusion 210 and the first notch
Fluid bearing is formed between 310, reduces abrasion.In the prior art, power output shaft 300 and 200 axis of power input shaft are direct
Contact rotates by smooth mantle friction, works long hours and will lead to serious abrasion.
Specifically, the axis of protrusion 210 is overlapped with the axis of power input shaft 200, dynamic balancing is kept, improves and uses the longevity
Life.
In the optinal plan of the present embodiment, the axis of the axis of the first notch 310 and the second notch 320 is and power output
The axis of axis 300 is overlapped.
Specifically, the axis of the second notch 320 is overlapped with the axis of power output shaft 300, so that the second notch 320 can
It is adapted to the protrusion 210 on power input shaft 200.
The axis of first notch 310 is overlapped with the axis of power output shaft 300, so that the lubricant in the first notch 310
It can be gathered in the first notch 310.
In the optinal plan of the present embodiment, the end face of power input shaft 200 towards one end of power output shaft 300 is in arc
Face.
End face setting by power input shaft 200 towards one end of power output shaft 300 is in cambered surface,
In the optinal plan of the present embodiment, the first notch 310 is in oval.
The axis of first notch 310 and power output shaft 300 is concentrically disposed with and is made into oval.To form symmetrical profit
Lubrication prescription film, and advantageously generate hydrokinetic axial bearing.
The end face of power output shaft 300 has the second other notch 320, second notch 320 and power output shaft 300
Axis with one heart and be made into circle.Second notch, 320 to the first notch 310 is more deeply into power output shaft 300.This
Two notches 320 symmetrically protrude from the first notch 310 in two mutually opposed subregions.
The protrusion 210 of 200 end face of power input shaft extends at least partially into the second notch 320.
In the optinal plan of the present embodiment, gear hole is offered at the axis of planetary gear pedestal 110, gear hole is defeated with power
Shaft 300 engages；The planetary gear 120 engaged with power input shaft 200, setting in shell 100 are provided on planetary gear pedestal 110
There is the gear ring 130 engaged with planetary gear 120.
Wherein, gear hole is offered at the axis of planetary gear pedestal 110, enables power output shaft 300 and planetary gear
The engagement connection of pedestal 110, so that planetary gear pedestal 110 be made to be able to drive the rotation of power output shaft 300.
Planetary gear 120 is provided on planetary gear pedestal 110, planetary gear 120 is engaged with power input shaft 200, when power is defeated
When entering the rotation of axis 200, the rotation of planetary gear 120 will drive, planetary gear 120 can be rotated around power input shaft 200, while drive row
Star-wheel pedestal 110 rotates, to impart power to power output shaft 300.
Rack gear 130 is set in shell 100, and planetary gear 120 is arranged between gear ring 130 and power input shaft 200, three
Form a stable planetary gear mechanism.
In the optinal plan of the present embodiment, 120 fixing axle of planetary gear is provided on planetary gear pedestal 110, planetary gear 120 is set
It sets in 120 fixing axle of planetary gear；The setting of 120 fixing axle end of planetary gear is fluted, and circlip is provided in groove.
Specifically, being provided with 120 fixing axle of planetary gear on planetary gear pedestal 110, planetary gear 120 is solid by planetary gear 120
Dead axle is connect with planetary gear pedestal 110, wherein 120 fixing axle of planetary gear is fixedly connected with planetary gear pedestal 110, planetary gear 120
It is rotatablely connected with 120 fixing axle of planetary gear, is arranged with bearing in 120 fixing axle of planetary gear, planetary gear 120 is mounted on bearings.
Wherein, the setting of 120 fixing axle end of planetary gear is fluted, and after planetary gear 120 is installed, card can be arranged in groove
Spring limits planetary gear 120 by circlip, planetary gear 120 is avoided to fall off.Setting facilitates installing and dismounting in this way, and raising is repaired
For efficiency.
In the optinal plan of the present embodiment, it is provided with locknut 140 on power output shaft 300, offers first on locknut 140
Through-hole, threaded hole 160 is offered on power output shaft 300, and locknut 140 is connect by bolt with power output shaft 300.
Specifically, being provided with locknut 140 on power output shaft 300, locknut 140 is avoided for fixing power output shaft 300
Power output shaft 300 is detached from out of shell 100, while being limited to the axis on power output shaft 300, and taper roller is avoided
Bearing falls off.
Specifically, offering first through hole on locknut 140, threaded hole 160, locknut 140 are offered on power output shaft 300
It is connect by bolt with power output shaft 300, bolt passes through first through hole and connect with threaded hole 160, thus locknut 140 and power
Output shaft 300 links together.
In the optinal plan of the present embodiment, the second through-hole 150 corresponding with first through hole is offered on shell 100, with side
Just user installation.
Specifically, user can not in a pre-installation connect locknut 140 and power output shaft 300 because 100 shape of shell limits
It is connected together, only the two is installed in order in shell 100, however narrow space in shell 100, so that user's operation pole
It is inconvenient.The second through-hole 150 corresponding with first through hole is offered on shell 100, when locknut 140 and power output shaft 300
After the two is installed in shell 100, user can be inserted into the second through-hole 150 by tool, then connect bolt and threaded hole 160
It is connected together.
In the optinal plan of the present embodiment, between both power input shaft 200 and power output shaft 300 and shell 100
It is provided with bearing.
Specifically, be provided with tapered roller bearing between power input shaft 200 and shell 100, to bear axial force and
Radial force.
Specifically, being provided with roller bearing between power output shaft 300 and shell 100.
The utility model embodiment provides a kind of transmission system, including motor and planetary reduction gear；Motor output shaft with
Power input shaft 200 connects.
The utility model embodiment provides a kind of transmission system, including motor and planetary reduction gear；Motor output shaft with
Power input shaft 200 connects.Transmission system has above-mentioned advantage compared with prior art, and details are not described herein again.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of planetary reduction gear characterized by comprising shell, power input shaft and power output shaft；
The power input shaft and the power output shaft are arranged in the shell, the power output shaft and the power
Head gear shaft coaxial arrangement；
One end of the power output shaft towards the power output shaft offers the first notch and the second notch, and described second lacks
Mouth is located in first notch, and the size of first notch is greater than the size of second notch, so that the power
Fluid bearing is formed between output shaft and the power input shaft；
One end of the power input shaft towards the power output shaft is provided with the protrusion being adapted to second notch, described
The size of protrusion is less than the size of second notch.
2. planetary reduction gear according to claim 1, which is characterized in that the axis of first notch and described second lacks
The axis of mouth is overlapped with the axis of the power output shaft.
3. planetary reduction gear according to claim 1, which is characterized in that the power input shaft is towards the power output
The end face of one end of axis is in cambered surface.
4. planetary reduction gear according to claim 1, which is characterized in that first notch is in oval.
5. planetary reduction gear according to claim 4, which is characterized in that opened up at the axis of the planetary gear pedestal with teeth
Wheel bore, the gear hole are engaged with the power output shaft；
The planetary gear engaged with the power input shaft is provided on the planetary gear pedestal, be provided in the shell with it is described
The gear ring of planetary gear engagement.
6. planetary reduction gear according to claim 5, which is characterized in that it is solid to be provided with planetary gear on the planetary gear pedestal
Dead axle, the planetary gear are arranged in the planetary gear fixing axle；
The setting of planetary gear fixing axle end is fluted, is provided with circlip in the groove.
7. planetary reduction gear according to claim 1, which is characterized in that be provided with locknut, institute on the power output shaft
It states and offers first through hole on locknut, threaded hole is offered on the power output shaft, the locknut is moved by bolt with described
Power output shaft connection.
8. planetary reduction gear according to claim 7, which is characterized in that offered on the shell and the first through hole
Corresponding second through-hole, to facilitate user installation.
9. planetary reduction gear according to claim 1-8, which is characterized in that the power input shaft and described
Bearing is provided between both power output shafts and the shell.
10. a kind of transmission system, which is characterized in that including motor and the described in any item planetary reduction gears of claim 1-9；
The motor output shaft is connect with the power input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125363.8U CN208457120U (en) | 2018-07-16 | 2018-07-16 | Planetary reduction gear and transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125363.8U CN208457120U (en) | 2018-07-16 | 2018-07-16 | Planetary reduction gear and transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208457120U true CN208457120U (en) | 2019-02-01 |
Family
ID=65179371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821125363.8U Active CN208457120U (en) | 2018-07-16 | 2018-07-16 | Planetary reduction gear and transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208457120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757842A (en) * | 2018-07-16 | 2018-11-06 | 宁津县金宏机械有限责任公司 | Planetary reduction gear and transmission system |
-
2018
- 2018-07-16 CN CN201821125363.8U patent/CN208457120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757842A (en) * | 2018-07-16 | 2018-11-06 | 宁津县金宏机械有限责任公司 | Planetary reduction gear and transmission system |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 253400 East New Area Linjin Road (Gongye Fifth Road) South First Road West, Ningjin County, Dezhou City, Shandong Province Patentee after: Shandong Songsheng Heavy Industry Machinery Co.,Ltd. Country or region after: China Address before: 253000 north head of West Outer Ring Road, Ningjin County, Dezhou City, Shandong Province Patentee before: NINGJIN JINHONG MACHINERY Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |