CN208331142U - A kind of roller oscillating tooth retarder like a chain of pearls or a string of beads - Google Patents
A kind of roller oscillating tooth retarder like a chain of pearls or a string of beads Download PDFInfo
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- CN208331142U CN208331142U CN201820742375.9U CN201820742375U CN208331142U CN 208331142 U CN208331142 U CN 208331142U CN 201820742375 U CN201820742375 U CN 201820742375U CN 208331142 U CN208331142 U CN 208331142U
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Abstract
The utility model relates to a kind of roller oscillating tooth retarders like a chain of pearls or a string of beads, the purpose of this utility model is a retarder small in size, reduction ratio is big, bearing capacity is strong, vibration heat dissipation is small, transmission efficiency is high of design, it is low to design simple, good manufacturability, manufacturing cost, it can be applied to the various operating conditions such as industrial robot, aerospace, machine-building, chemical machinery, a kind of roller oscillating tooth retarder like a chain of pearls or a string of beads, including shock wave device as input, as the oscillating tooth carrier, the centre wheel fixed as rack and end cap composition of output.The design structure of roller is simple like a chain of pearls or a string of beads, easy to process, increases the radial dimension of oscillating tooth slot on oscillating tooth carrier, improves the weak link in Oscillating Tooth Gear Reducer --- and the rigidity of oscillating tooth carrier greatly improves the bearing capacity and anti-overload ability of movable teeth reducer；Shock wave device, oscillating tooth carrier stress be axial symmetry, have self-alignment balance quality, it is stable；Skid transmission, compared to harmonic speed reducer and cycloidal-pin gear speed reducer, transmission efficiency is greatly improved.
Description
Technical field
The utility model belongs to reducer technology field, in particular to a kind of roller oscillating tooth retarder like a chain of pearls or a string of beads.
Background technique
Retarder is to play matching revolving speed between prime mover and working machine or executing agency and transmit one kind of torque relatively
Accurate machinery, the purpose using it are to reduce revolving speed, increase torque.Typical products of the retarder as electromechanical integration, extensively
It is general to be applied to the every field such as machine-building, aerospace, harbour, mine, light industry, industrial robot.Common retarder class
Type has gear reduction unit, turbine and worm retarder, planetary reducer, harmonic speed reducer, cycloidal-pin gear speed reducer etc., this is several
The shortcomings that kind retarder also has itself while having the advantages that respective: gear reduction unit single-stage speed reducing is relatively low, and turbine and worm subtracts
Fast device is because be that frictional drive efficiency is lower, and structure is complicated for planetary reducer, transmission power is low, and harmonic speed reducer manufactures work
Skill is complicated, flexible component life is low, and structure is complicated for cycloidal-pin gear speed reducer, tilting member bias is also easy to produce vibration and noise
Deng.
With scientific and technological high speed development, retarder technology is gradually to miniaturization, big retarding ratio, high speed, low noise, highly reliable
The direction of degree is developed.Oscillating Tooth Gear Reducer is a kind of Novel transmission made of being developed as KHV type planet-gear transmission, it breaks through
Gear-driven traditional structure feature for a long time, has small in size, and transmission ratio is big, and bearing capacity is high and strong shock resistance
The features such as, thus have broad application prospects.
Common Oscillating Tooth Gear Reducer is divided into push-rod oscillating tooth transmission (Fig. 1-la), roller (steel ball) Oscillating Tooth Gear Reducer (Fig. 1-1b), set
Cylinder Oscillating Tooth Gear Reducer (Fig. 1-1c), Swing Movable Teeth Drive (Fig. 1-ld) etc..
It can be seen that its poor dynamic from the schematic diagram of several typical Oscillating Tooth Gear Reducers in front, structure is complicated, and installation is tired
Difficulty, while causing vibration, impact and the problems such as noise, so that the promotion and application of Oscillating Tooth Gear Reducer are limited greatly.While there is also
Another problem: to realize that big transmission ratio increases it is necessary to the wave tooth number of outer impeller, the oscillating tooth in limited dimensional space
Diameter will be small, cause oscillating tooth carrier just than relatively thin, can generate deflection deformation, transmission power is greatly reduced.
Summary of the invention
The purpose of this utility model be design it is a it is small in size, reduction ratio is big, bearing capacity is strong, vibration heat dissipation it is small, be driven
High-efficient retarder, design is simple, good manufacturability, manufacturing cost are low, can be applied to industrial robot, aerospace, machinery
The various operating conditions such as manufacture, chemical machinery.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of roller oscillating tooth retarder like a chain of pearls or a string of beads, including shock wave device H as input, as the oscillating tooth carrier V of output, as machine
Frame fixed centre wheel and end cap, it is characterised in that: the shock wave device H is made of input shaft, rotating disc, and the input shaft,
Rotating disc is integrally formed, and the input shaft runs through the rotating disc, and input shaft input terminal side sets the first shoulder, and described the
3rd bearing is installed, the input shaft other end is installed first bearing, installed outside the 3rd bearing, first bearing on one shoulder
Oscillating tooth carrier V, the oscillating tooth carrier V are made of oscillating tooth carrier wall, oscillating tooth rack slot, output shaft, and oscillating tooth carrier wall and output shaft are integrally formed, institute
It states and places oscillating tooth roller in oscillating tooth rack slot；The centre wheel is equipped with the wave tooth matched with oscillating tooth roller quantity, along the oscillating tooth
Frame V radially-outer surface installation center wheel, the oscillating tooth carrier V axial external surface install end cap.
Preferably, the thickness of the oscillating tooth carrier wall is radially gradually increased, the oscillating tooth rack slot internal diameter is along diameter
To not changing.
Preferably, the input shaft, rotating disc are fixedly connected.
Preferably, second bearing is installed in the input shaft and the end cap junction.
Preferably, the output shaft sets the second shoulder, second shoulder and end cap junction installation the 4th
Bearing.
Preferably, the shock wave device H is ellipsoid like structure, the two-phase swash on circumference is formed, this swash passes through
The swash of cylindrical type (or ball-type) roller and centre wheel (wave tooth) K that are limited in the oscillating tooth slot on oscillating tooth carrier V forms conjugation and closes
System.When the trough of oscillating tooth roller and shock wave device contacts, the oscillating tooth roller of same oscillating tooth slot outer end is then connect with the wave crest of centre wheel
Touching, on the contrary when the wave crest of oscillating tooth roller and shock wave device contacts, the oscillating tooth roller of same oscillating tooth slot outer end then with the wave of centre wheel
Paddy contact.With the rotation of shock wave device H, occupy the roller among trough to wave crest then to oscillating tooth roller apply one prolong it is radial to
An outer thrust, this thrust are transmitted to centre wheel (wave tooth) K by the oscillating tooth roller of same oscillating tooth slot.Do not considering frictional force
In the case where, shock wave device H is to connect with the active force and centre wheel wave tooth of oscillating tooth roller and the direction of the active force of oscillating tooth roller
The normal direction of contact, two power act on the resultant force promotion oscillating tooth carrier V rotation to form a circumferential direction.In this way, shock wave device H is rotated one week, band
Dynamic oscillating tooth roller and centre wheel wave toe joint contact roll across two waveforms.Generally, if oscillating tooth slot number is if shock wave device wave number is Z1
Z2, then reduction ratio be
Preferably, the input shaft is coaxial with output shaft, the stability of transmission is enhanced.
Preferably, the oscillating tooth roller is cylindrical type or ball-type.
Preferably, the quantity for placing oscillating tooth roller in each oscillating tooth rack slot is two to four.
Preferably, installing flexible bearing outside the shock wave device H, the stationarity of retarder operating is further increased.
The beneficial effects of the utility model are: the design of two-phase (multiphase) shock wave device ensure that the dynamic static balancing of retarder,
It is greatly reduced the vibration of retarder, may operate in retarder under high-speed working condition.
The design structure of roller is simple like a chain of pearls or a string of beads, easy to process, increases the radial dimension of oscillating tooth slot on oscillating tooth carrier, improves
The rigidity of weak link in Oscillating Tooth Gear Reducer --- oscillating tooth carrier.All equal rigid contacts of component, and multi-tooth meshing, greatly improve work
The bearing capacity and anti-overload ability of tooth retarder；Shock wave device, oscillating tooth carrier stress be axial symmetry, have self-alignment balance
Can, it is stable；Skid transmission, compared to harmonic speed reducer and cycloidal-pin gear speed reducer, transmission efficiency is greatly improved.
The design structure is simple, and required component is few, and input and output are coaxial, and roller can use roller in roller bearing, hardness
High, at low cost, other component can be used traditional machine-tooled method to process, and not need special process, cost is relatively low.
In the case where identical transmitting power, identical reduction ratio, weight is considerably reduced, it can also be used to aerospace, new energy
The high-tech areas such as source automobile.
Roller oscillating tooth retarder is easily made into double reduction gear like a chain of pearls or a string of beads, low one is high speed grade planetary gear speed-reduction
Fast grade roller oscillating tooth like a chain of pearls or a string of beads slows down；Another kind is that two-stage is slowed down with roller oscillating tooth like a chain of pearls or a string of beads, and two-stage can common center wheel (wave
Tooth), compact-sized, shock wave device is engaged with oscillating tooth positioned at the periphery of shock wave device, and inside has very large space that can be designed to sky
Mandrel input.In the alternative harmonic speed reducer of the industries such as industrial robot and RV retarder, (double reduction gear, high speed grade are planet
Gear drive, slow speed turbine stage are Cycloidal pin-wheel drive).
Detailed description of the invention
Several typical Oscillating Tooth Gear Reducer schematic diagrames of Fig. 1.
Fig. 2 the utility model structural front view.
Fig. 3 the utility model structure sectional view.
The structural schematic diagram of Fig. 4 the utility model installation flexible bearing.
Mode arranges that oscillating tooth roller forward rolls schematic diagram to Fig. 5 like a chain of pearls or a string of beads.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, the utility model is made with reference to the accompanying drawings and examples
Further instruction.
Embodiment 1
As in Figure 2-4, a kind of roller oscillating tooth retarder like a chain of pearls or a string of beads, including shock wave device 2 as input, as the work of output
Braces 3, the centre wheel 1 fixed as rack and end cap 6 form, and shock wave device 2 is ellipsoid like structure, by input shaft 21, rotation
Disk 22 forms, and input shaft 21, rotating disc 22 are integrally formed, and input shaft 21 runs through the rotating disc 22,21 input terminal of input shaft
Side sets the first shoulder 23, and 3rd bearing 53 is installed on the first shoulder 23, and 21 other end of input shaft installs first bearing 51, third
Oscillating tooth carrier 3 is installed, oscillating tooth carrier 3 is made of oscillating tooth carrier wall 31, oscillating tooth rack slot 32, output shaft 33, living outside bearing 53, first bearing 51
Braces wall 31 and output shaft 33 are integrally formed, and the thickness of oscillating tooth carrier wall 31 is radially gradually increased, 32 internal diameter of oscillating tooth rack slot
It does not change radially.Three circular mobile tooth rollers 4 are placed in each oscillating tooth rack slot 32；Input shaft 21 and output shaft 33 are same
Axis, centre wheel 1 are equipped with the wave tooth 11 that closes with 4 cooperating number of oscillating tooth roller, along oscillating tooth carrier V3 radially-outer surface installation center wheel 1,
Oscillating tooth carrier V3 axial external surface installs end cap 6, and second bearing 52, output shaft 33 are installed in input shaft 21 and 6 junction of end cap
If the second shoulder 34, second shoulder 34 installs fourth bearing 54 with 6 junction of end cap.
Embodiment 2
Radially flexible bearing 7 is installed in outer surface to the shock wave device 2, further increases the steady of retarder operating
Property, remaining technical solution is the same as embodiment 1.
Working principle
Shock wave device is ellipsoid like structure, forms the two-phase swash on circumference, this swash is by being limited on oscillating tooth carrier
The swash of cylindrical type or ball-type roller and centre wheel in oscillating tooth slot forms conjugate relation.When the trough of oscillating tooth roller and shock wave device
When contact, the oscillating tooth roller of same oscillating tooth slot outer end is then contacted with the wave crest of centre wheel, otherwise when oscillating tooth roller and shock wave device
When wave crest contacts, the oscillating tooth roller of same oscillating tooth slot outer end is then contacted with the trough of centre wheel.With the rotation of shock wave device H, occupy
Roller among trough to wave crest then applies one to oscillating tooth roller and prolongs a radially outward thrust, this thrust passes through same
The oscillating tooth roller of oscillating tooth slot is transmitted to centre wheel.In the case where not considering frictional force, the active force of shock wave device and oscillating tooth roller
And the direction of the active force of centre wheel wave tooth and oscillating tooth roller is the normal direction of contact point, two power act on the conjunction to form a circumferential direction
Push dynamic oscillating tooth carrier rotation.In this way, shock wave device rotates one week, oscillating tooth roller and centre wheel wave toe joint contact is driven to roll across two waves
Shape.Generally, if oscillating tooth slot number is Z2, then reduction ratio is if shock wave device wave number is Z1
Technical characteristic of the utility model without description can be achieved by the prior art, and details are not described herein.Certainly, on
Stating bright is not limitations of the present invention, and the utility model is also not limited to the example above, the common skill of the art
Art personnel variation, remodeling, addition or replacement made in the essential scope of the utility model, also should belong to the utility model
Protection scope.
Claims (9)
1. a kind of roller oscillating tooth retarder like a chain of pearls or a string of beads is consolidated including shock wave device as input, as the oscillating tooth carrier of output, as rack
Fixed centre wheel and end cap composition, it is characterised in that: the shock wave device is made of input shaft, rotating disc, and the input shaft, turn
Moving plate is integrally formed, and the input shaft runs through the rotating disc, and input shaft input terminal side sets the first shoulder, and described first
3rd bearing is installed, the input shaft other end installs first bearing, work is installed outside the 3rd bearing, first bearing on shoulder
Braces, the oscillating tooth carrier are made of oscillating tooth carrier wall, oscillating tooth rack slot, output shaft, and oscillating tooth carrier wall and output shaft are integrally formed, the work
Oscillating tooth roller is placed in braces slot；The centre wheel is equipped with the wave tooth matched with oscillating tooth roller quantity, along the oscillating tooth carrier diameter
Exterior surface installation center wheel, the oscillating tooth carrier axial external surface install end cap.
2. roller oscillating tooth retarder like a chain of pearls or a string of beads according to claim 1, it is characterised in that: the thickness of the oscillating tooth carrier wall is radially
It is gradually increased, the oscillating tooth rack slot internal diameter does not change radially.
3. roller oscillating tooth retarder like a chain of pearls or a string of beads according to claim 1, it is characterised in that: the input shaft is connect with the end cap
Place's installation second bearing.
4. roller oscillating tooth retarder like a chain of pearls or a string of beads according to claim 1, it is characterised in that: the output shaft sets the second shoulder, institute
It states the second shoulder and fourth bearing is installed in the end cap junction.
5. roller oscillating tooth retarder like a chain of pearls or a string of beads according to claim 1, it is characterised in that: the shock wave device is class ellipse knot
Structure.
6. roller oscillating tooth retarder like a chain of pearls or a string of beads according to claim 1, it is characterised in that: the input shaft and output shaft are coaxial.
7. roller oscillating tooth retarder like a chain of pearls or a string of beads according to claim 1, it is characterised in that: the oscillating tooth roller is cylindrical type or ball
Type.
8. roller oscillating tooth retarder like a chain of pearls or a string of beads according to claim 1, it is characterised in that: place and live in each oscillating tooth rack slot
The quantity of tooth roller is two to four.
9. roller oscillating tooth retarder like a chain of pearls or a string of beads according to claim 1, it is characterised in that: install flexible shaft outside the shock wave device
It holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742375.9U CN208331142U (en) | 2018-05-18 | 2018-05-18 | A kind of roller oscillating tooth retarder like a chain of pearls or a string of beads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742375.9U CN208331142U (en) | 2018-05-18 | 2018-05-18 | A kind of roller oscillating tooth retarder like a chain of pearls or a string of beads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331142U true CN208331142U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742375.9U Active CN208331142U (en) | 2018-05-18 | 2018-05-18 | A kind of roller oscillating tooth retarder like a chain of pearls or a string of beads |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043610A (en) * | 2019-05-07 | 2019-07-23 | 江阴市传动机械研究所 | A kind of high bearing-type speed reducer for driving robot of bearing capacity |
-
2018
- 2018-05-18 CN CN201820742375.9U patent/CN208331142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043610A (en) * | 2019-05-07 | 2019-07-23 | 江阴市传动机械研究所 | A kind of high bearing-type speed reducer for driving robot of bearing capacity |
| CN110043610B (en) * | 2019-05-07 | 2023-12-12 | 江阴市传动机械研究所 | Bearing type speed reducer with high bearing capacity and capable of driving robot |
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