CN208089878U - A kind of no oil clearance cycloidal type speed reducer - Google Patents
A kind of no oil clearance cycloidal type speed reducer Download PDFInfo
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- CN208089878U CN208089878U CN201820531420.6U CN201820531420U CN208089878U CN 208089878 U CN208089878 U CN 208089878U CN 201820531420 U CN201820531420 U CN 201820531420U CN 208089878 U CN208089878 U CN 208089878U
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- teeth
- gear
- shaft
- gear ring
- planetary gear
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Abstract
The utility model discloses a kind of no oil clearance cycloidal type speed reducers, including gear ring component, main shaft, planetary gear, fixed frame component；Planetary gear is mounted on by fixed frame component on main shaft；Main shaft is located in gear ring component, main axis, and planetary gear is around gear ring component rotation；Mainshaft gear is provided on main shaft；Central shaft hole is provided among planetary gear, planetary gear is sheathed on by central shaft hole on main shaft；In planetary gear both sides, shaft hole is set；Shaft is provided in shaft hole；Shaft gear and eccentric wheel are provided in shaft；Eccentric wheel is located in shaft hole；Shaft gear is engaged with mainshaft gear.The utility model is reasonable for structure compact, global design layout is succinct, it is rotated by main shaft band movable eccentric wheel, to realize planetary planetary motion, while using cylindrical gear ring teeth, it can realize that grinding is adaptive with planet teeth, coordinate precision high, stability is good, and production cost is low, back lash is small, and service life is long.
Description
Technical field
The utility model is related to transmission device field, more particularly to a kind of no oil clearance cycloidal type speed reducer.
Background technology
Speed reducer is widely used general as a kind of common transmission mechanism, usually industrial circle.Transmission mechanism is dynamic
Power is transmitted to another part from a part for machine, the component or mechanism for so that machine or machine part is moved or is operated.Speed reducer
It is often used in industrial circle, in robot field, higher is required to the precision and stability of transmission mechanism, especially
Joint for robot.The joint of robot is to required precision height.Traditional speed reducer low precision, noise is big, stability is poor,
Be not suitable for robot field, be unable to reach requirement of the robot to retarder high-precision, high stability in other words.At present
There is small part speed reducer that can reach above-mentioned requirements, but the component in the speed reducer needs to be added using high-precision grinder
Work, the price of such high-precision grinder is high, and process velocity is slow, and the cost for producing speed reducer component is very high.
Therefore, a kind of high-precision of demand, price be low, speed reducer of good operation stability.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of no oil clearance cycloidal type speed reducer, using precision
Planetary gear construction, it is adaptive by grinding, solve existing transmission mechanism low precision, noise is big, and stability is poor, Wu Faman
Biped robot is driven the problem of demand.
In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of no oil clearance cycloidal type speed reducer, including tooth
Coil assembly, main shaft, planetary gear, fixed frame component；The planetary gear is mounted on the main shaft by the fixed frame component
On；The main shaft is located in the gear ring component, the main axis, and the planetary gear is rotated around the gear ring component；
It is coaxially arranged with mainshaft gear on the main shaft；Central shaft hole is provided among the planetary gear, the planetary gear passes through
The central shaft hole is sheathed on the main shaft；It is symmetrically arranged with circular shaft hole in the planetary gear both sides；Described turn
Shaft is provided in axis hole；The shaft is arranged in parallel with the main shaft；It is provided with shaft gear and bias in the shaft
Wheel；The shaft gear is coaxially disposed with the shaft；The eccentric wheel is located in the shaft hole, the axis of the eccentric wheel
Deviate the axis of the shaft；The shaft gear is engaged with the mainshaft gear；The cylindrical structure of gear ring component,
The inner wall surrounding of the gear ring component is provided with cylindrical gear ring teeth；It is surrounded with and the tooth outside the planetary gear
Enclose the planet teeth of teeth engagement.
As a kind of preferred embodiment of the utility model, the hardness of the gear ring teeth is more than the hard of the planet teeth
Degree.
As a kind of preferred embodiment of the utility model, the gear ring component includes axle sleeve, teeth holding seat, teeth limit
Ring and the gear ring teeth；It is two that the teeth, which keep seat, is in cirque structure；It keeps being provided with ring on seat in the teeth
The teeth slot of shape；The teeth keep seat to be coaxially disposed with the axle sleeve, and two teeth keep seat to be located at the axle sleeve
Both ends；The axial direction of the gear ring teeth is parallel with the axial direction of the axle sleeve, inner wall of the gear ring teeth around the axle sleeve
It arranges successively, the both ends of the gear ring teeth are arranged in the teeth slot；The teeth spacing ring is located at the axle sleeve and institute
Between stating gear ring teeth, the gear ring teeth are fixed.
As a kind of preferred embodiment of the utility model, the planetary gear is 2-3, is layered on top of each other setting.
As a kind of preferred embodiment of the utility model, the gear ring component is 30 teeth, and the planetary gear is 29 teeth.
As a kind of preferred embodiment of the utility model, the fixed frame component further includes fixed frame ontology and spacer pin
Part；The planetary gear is two, and the fixed frame ontology is three；The planetary gear and the fixed frame ontology coaxially according to
Secondary intersecting setting；Pin hole in an axial direction is provided on the planetary gear and the fixed frame ontology；The spacer pin
Part is inserted in the pin hole.
Through the above technical solutions, the advantageous effect of technical solutions of the utility model is：The utility model is reasonable for structure tight
It gathers, global design layout is succinct, is rotated by main shaft band movable eccentric wheel, to realize planetary planetary motion, is adopted simultaneously
With cylindrical gear ring teeth, it can realize that grinding is adaptive with planet teeth, cooperation precision is high, and stability is good, production cost
Low, back lash is small, and service life is long.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the broken away view of the utility model.
Fig. 2 is the explosive view of the utility model.
Fig. 3 is the structural schematic diagram of the utility model gear ring component.
Fig. 4 is the utility model fixed frame ontology and limits the mounting structure schematic diagram of pin member.
Fig. 5 is the structural schematic diagram of the utility model fixed frame component.
Number and the corresponding component title represented by letter in figure：
1. 2. planetary gear of main shaft, 3. shaft
4. 5. teeth of axle sleeve keep 6. gear ring teeth of seat
7. 8. fixed frame ontology 9. of teeth spacing ring limits pin member
10. 11. shaft gear of mainshaft gear, 12. eccentric wheel.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment
In conjunction with Fig. 1, Fig. 2, the utility model discloses a kind of no oil clearance cycloidal type speed reducers, including gear ring component, main shaft
1, planetary gear 2, fixed frame component.Planetary gear 2 is mounted on by fixed frame component on main shaft 1.Main shaft 1 is located at gear ring component
Interior, main shaft 1 rotates, and planetary gear 2 is around gear ring component rotation.Mainshaft gear 10 is coaxially arranged on main shaft 1；Planetary gear 2
Centre is provided with central shaft hole, and planetary gear 2 is sheathed on by central shaft hole on main shaft 1.2-3 can also be arranged in planetary gear 2
It is a, it is layered on top of each other setting.It is symmetrically arranged with 3 hole of circular shaft in 2 both sides of planetary gear.Shaft is provided with shaft 3 in 3 hole.
Shaft 3 is arranged in parallel with main shaft 1；Shaft gear 11 and eccentric wheel 12 are provided in shaft 3.Shaft gear 11 is same with shaft 3
Axis is arranged.Eccentric wheel 12 is located in 3 hole of shaft, the axis of the axis runout shaft 3 of eccentric wheel 12.Shaft gear 11 and main shaft tooth
10 engagement of wheel.In conjunction with Fig. 3, the cylindrical structure of gear ring component is provided with cylindrical gear ring in the inner wall surrounding of gear ring component
Teeth 6.It is surrounded with the planet teeth engaged with gear ring teeth 6 outside planetary gear 2.Optimal side as the utility model
Case, gear ring component are 30 teeth, and planetary gear 2 is 29 teeth.
The utility model is compact-sized, and precision is high.In conjunction with Fig. 3, gear ring component includes axle sleeve 4, teeth holding seat 5, teeth
Spacing ring 7 and gear ring teeth 6.It is two that teeth, which keep seat 5, is in cirque structure.It keeps being provided with annular on seat 5 in teeth
Teeth slot.Teeth keep seat 5 to be coaxially disposed with axle sleeve 4, and two teeth holding seat 5 is located at the both ends of axle sleeve 4.Gear ring teeth 6
Axial direction it is parallel with the axial direction of axle sleeve 4, gear ring teeth 6 are arranged successively around the inner wall of axle sleeve 4, and the both ends card of gear ring teeth 6 is set
In in teeth slot.Teeth spacing ring 7 fixes gear ring teeth 6 between axle sleeve 4 and gear ring teeth 6.
In conjunction with Fig. 4, in order to further increase the stability of the utility model operation, fixed frame component further includes fixed frame sheet
Body 8 and limit pin member 9.Planetary gear 2 is two, and fixed frame ontology 8 is three.Planetary gear 2 and fixed frame ontology 8 coaxially according to
Secondary intersecting setting.Pin hole in an axial direction is provided on planetary gear 2 and fixed frame ontology 8.Limit pin member 9 is inserted in pin
In hole.
The utility model can be ground adaptively by gear ring teeth 6 and planet teeth, and the hardness of gear ring teeth 6 is big
In the hardness of planet teeth, by mutual break-in, to realize preferably cooperation precision.Gear ring teeth 6 use cylindrical structure, lead to
The very high gear ring teeth 6 of precision and hardness can be ground by crossing existing mechanical equipment, while production cost is low.And it is high-precision
The production technology of gear is complicated, of high cost, while the production precision of gear ring teeth 6 can not be reached by the prior art.Therefore, originally
Utility model uses above-mentioned structure, can be ground to planetary gear 2 by gear ring teeth 6, planetary gear 2 can be made to reach
To good cooperation precision gear ring teeth 6 are directly replaced gear ring teeth 6 are worn.
The transmission process of the utility model：Power input shaft of the main shaft 1 as the utility model, it is main by rotating main shaft 1
Shaft gear 10 rotates synchronously, and shaft gear 11 is driven to rotate, and shaft gear 11 is rotated synchronously with shaft 3, to drive eccentric wheel
12 movements；And eccentric wheel 12 is mounted on planetary gear 2, planetary gear 2 is engaged with gear ring teeth 6 again simultaneously, therefore realizes row
Star gear 2 carries out planet operation around gear ring component.
By above-mentioned specific embodiment, the utility model has the beneficial effects that：The utility model is reasonable for structure compact, whole
Layout is succinct, is rotated with movable eccentric wheel 12 by main shaft 1, to realize the planetary motion of planetary gear 2, while using circle
Cylindrical gear ring teeth 6 can realize that grinding is adaptive with planet teeth, and cooperation precision is high, and stability is good, and production cost is low,
Back lash is small, and service life is long.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (6)
1. a kind of no oil clearance cycloidal type speed reducer, which is characterized in that including gear ring component, main shaft, planetary gear, fixed frame group
Part；The planetary gear is mounted on by the fixed frame component on the main shaft；The main shaft is located in the gear ring component,
The main axis, the planetary gear are rotated around the gear ring component；It is coaxially arranged with mainshaft gear on the main shaft；Institute
It states and is provided with central shaft hole among planetary gear, the planetary gear is sheathed on by the central shaft hole on the main shaft；?
The planetary gear both sides are symmetrically arranged with circular shaft hole；It is provided with shaft in the shaft hole；The shaft with it is described
Main shaft is arranged in parallel；It is provided with shaft gear and eccentric wheel in the shaft；The shaft gear is coaxially set with the shaft
It sets；The eccentric wheel is located in the shaft hole, the axis of shaft described in the axis runout of the eccentric wheel；The shaft gear
It is engaged with the mainshaft gear；The cylindrical structure of gear ring component is provided with circle in the inner wall surrounding of the gear ring component
Cylindrical gear ring teeth；It is surrounded with the planet teeth engaged with the gear ring teeth outside the planetary gear.
2. no oil clearance cycloidal type speed reducer according to claim 1, which is characterized in that the hardness of the gear ring teeth is more than
The hardness of the planet teeth.
3. no oil clearance cycloidal type speed reducer according to claim 2, which is characterized in that the gear ring component include axle sleeve,
Teeth keep seat, teeth spacing ring and the gear ring teeth；It is two that the teeth, which keep seat, is in cirque structure；Described
Teeth keep the teeth slot that annular is provided on seat；The teeth keep seat to be coaxially disposed with the axle sleeve, and two teeth are protected
Hold the both ends that seat is located at the axle sleeve；The axial direction of the gear ring teeth is parallel with the axial direction of the axle sleeve, the gear ring tooth
Tooth is arranged successively around the inner wall of the axle sleeve, and the both ends of the gear ring teeth are arranged in the teeth slot；The teeth limit
Position ring fixes the gear ring teeth between the axle sleeve and the gear ring teeth.
4. no oil clearance cycloidal type speed reducer according to claim 3, which is characterized in that the planetary gear is 2-3, phase
Mutually it is stacked.
5. no oil clearance cycloidal type speed reducer according to claim 4, which is characterized in that the gear ring component is 30 teeth, institute
It is 29 teeth to state planetary gear.
6. no oil clearance cycloidal type speed reducer according to claim 5, which is characterized in that the fixed frame component further includes solid
Determine frame ontology and limit pin member；The planetary gear is two, and the fixed frame ontology is three；The planetary gear and described
Coaxially intersecting is arranged fixed frame ontology successively；It is provided in an axial direction on the planetary gear and the fixed frame ontology
Pin hole；The limit pin member is inserted in the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531420.6U CN208089878U (en) | 2018-04-16 | 2018-04-16 | A kind of no oil clearance cycloidal type speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531420.6U CN208089878U (en) | 2018-04-16 | 2018-04-16 | A kind of no oil clearance cycloidal type speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208089878U true CN208089878U (en) | 2018-11-13 |
Family
ID=64055997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820531420.6U Expired - Fee Related CN208089878U (en) | 2018-04-16 | 2018-04-16 | A kind of no oil clearance cycloidal type speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208089878U (en) |
-
2018
- 2018-04-16 CN CN201820531420.6U patent/CN208089878U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20190416 |
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| CF01 | Termination of patent right due to non-payment of annual fee |