CN206904165U - A kind of ball gearing speed-reducer - Google Patents
A kind of ball gearing speed-reducer Download PDFInfo
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- CN206904165U CN206904165U CN201720551425.0U CN201720551425U CN206904165U CN 206904165 U CN206904165 U CN 206904165U CN 201720551425 U CN201720551425 U CN 201720551425U CN 206904165 U CN206904165 U CN 206904165U
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Abstract
The utility model discloses a kind of ball gearing speed-reducer, including:Eccentric shaft, the first planetary plate, balancing frame, the second planetary plate and the third line astrolabe;Eccentric shaft rotates around axis;The input direction of balancing frame and the first planetary plate along eccentric shaft is sequentially set on eccentric shaft, and does eccentric rotary under the rotary motion of eccentric shaft;First planetary plate produces a driving force during eccentric rotary, and drives to the third line astrolabe, while produces a rotating inertia force;Balancing frame is centrosymmetric with the first planetary plate, for generation and rotating inertia force power in opposite direction, to offset rotating inertia force;Second planetary plate is fixedly installed between the first planetary plate and balancing frame, and the rotation for the first planetary plate peace weighing apparatus disk provides support;The third line astrolabe is set on eccentric shaft, is rotated under the gearing of the first planetary plate.The utility model solves the problems, such as to realize balance of shaking force using balancing weight in the prior art by centrosymmetric two planetary plates.
Description
Technical field
The transmission art field of conveying rotary motion is the utility model is related to, more particularly to a kind of ball gear reduction
Device.
Background technology
New requirement is proposed as modern industry is continuous to mechanical transmission mechanism, traditional mechanical transmission mechanism can not
Meet the requirement of development of modern industry well.Therefore research and develop the various transmission mechanisms for meeting industrial requirements has turned into the sector hair
The inexorable trend of exhibition.
In existing transmission mechanism, cycloid pinwheel planetary gear transmission system, although having lot of advantages, processed complex and transmission
Precision is not high, and transmission return difference is big;Worm-drive has that gearratio is big, but transmission efficiency is low;Harmonic drive relies on the deformation of flexbile gear
Passing power and motion, flexbile gear material requirements height and short life.
For the decelerator of cycloid form precision drive, single-stage of the prior art, twin-stage steel ball reducer, it is respectively adopted
A pair there is hypocycloid, epicycloidal raceway disk as Meshing Pair to be put into transmission steel among the relative raceway of two disks
Ball conducts as power, slows down so as to realize, but transmission is smaller, and raceway is semi arch or double semi arches, and with short width
Two kinds of raceways of cycloid and curtate epicycloid, add a kind of transmission mode of steel ball, and such a pattern single-stage inertia force is bad, so need to add
One balancing weight, the counterweight matching more difficult control of inertia force.Due to the eccentric of single-stage, inertia force is closed in needing and offset, meeting
Increasing by a balancing weight in output end, balancing weight and eccentric are symmetrical into 180 °, by balancing weight and eccentric symmetrical rotary,
So that inertia force obtains very big reduction, counterweight, for theoretical value, but tends not to meet that its correlation will in practice with full symmetric
Ask, matching is difficult control.
During the utility model is realized, utility model people has found that at least there are the following problems:
The major defect of prior art is during single-stage driving one balancing weight of dynamic balancing needs to solve asking for dynamic balance
Topic, machinery dynamical balancing is although can solve for secondary transmission but is eventually resulted in due to mechanical friction whole
The transmission accuracy of individual deceleration device reduces, so as to have impact on whole device transmission accuracy.
Utility model content
The purpose of the utility model embodiment is to provide a kind of ball gearing speed-reducer, and the utility model passes through Central Symmetry
Two planetary plates solve the problems, such as to realize balance of shaking force using balancing weight in the prior art.
A kind of ball gearing speed-reducer is provided according to the one side of the utility model embodiment, including:Eccentric shaft,
One planetary plate, balancing frame, the second planetary plate and the third line astrolabe;The eccentric shaft rotates around axis;The balance
The input direction of disk and the first planetary plate along the eccentric shaft is sequentially set on the eccentric shaft, and respectively in the eccentric shaft
Rotary motion under do eccentric rotary;First planetary plate produces a driving force during the eccentric rotary, and is driven
To the third line astrolabe, while produce a rotating inertia force;The balancing frame is centrosymmetric with first planetary plate, for producing
Raw and rotating inertia force power in opposite direction, to offset the rotating inertia force;Second planetary plate is fixedly installed on
Between first planetary plate and balancing frame, the rotation for the first planetary plate peace weighing apparatus disk provides support;The third line astrolabe, is arranged
On eccentric shaft, rotated under the gearing of the first planetary plate.
Further, the ball gearing speed-reducer also includes:First cycloid groove track, it is arranged at first planetary plate
Between the second planetary plate, for carrying the first steel ball;
Multiple first steel balls, setting is distributed uniformly and circumferentially in the first cycloid groove track, in first planet
Under the rotation of disk, rotation and revolution motion are done.
Further, the first cycloid groove track is annular, and it includes:
First annular groove, it is circumferentially disposed on the first planetary plate;
Second annular groove, it is oppositely arranged with first annular groove and matches with the first annular groove shapes, edge
It is circumferentially disposed on the second planetary plate.
Further, the first cycloid groove track is concentrically and coaxially set with the first planetary plate.
Further, the ball gearing speed-reducer also includes:Second cycloid groove track, it is arranged at the balancing frame and
Between two planetary plates, for carrying the second steel ball;
Multiple second steel balls, setting is distributed uniformly and circumferentially in the second cycloid groove track, in the balancing frame
Under rotation, rotation and revolution motion are done.
Further, the second cycloid groove track is annular, and it includes:
3rd annular groove, it is circumferentially disposed on the second planetary plate;
Fourth annular groove, it is oppositely arranged with the 3rd annular groove and matches with the 3rd annular groove shaped, edge
It is circumferentially disposed on balancing frame.
Further, the second cycloid groove track is concentrically and coaxially set with balancing frame.
Further, the ball gearing speed-reducer also includes:
Multiple grooves, it is arranged between the third line astrolabe and the first planetary plate, for carrying the 3rd steel ball;
Multiple 3rd steel balls, the corresponding groove of each 3rd steel ball, the multiple 3rd steel ball turn the first planetary plate
Under dynamic, done rotation movement in corresponding groove.
Further, each groove includes:
First groove, it is arranged on the third line astrolabe;
Second groove, it is oppositely arranged with the first groove and matches with first groove shapes, be arranged on the first planet
On disk.
Further, eccentric shaft includes:
Deferent segment, it is arranged on the output end of eccentric shaft;
Second gearratio of cycloid axle formation, it is arranged on the input of eccentric shaft;
First gearratio of cycloid axle formation, it is arranged between the second gearratio of cycloid axle formation and deferent segment, with the second gearratio of cycloid axle formation Central Symmetry;
Wherein, wherein, first planetary plate, the balancing frame, the third line astrolabe are set in first by bearing respectively
Gearratio of cycloid axle formation, the second gearratio of cycloid axle formation, on deferent segment.
The utility model has the following technical effect that:
The utility model is designed using overall bias, easy for installation, easy to process.By by the first planetary plate peace weighing apparatus disk
The second planetary plate Central Symmetry is arranged with respect to, to solve single-stage machinery dynamical balancing, so as to eliminate dynamic equilibrium module
Design is complicated with re-computation and balances difficult the problem of grasping, and transmission is more tended to be steady.On the basis of double hypocycloids, lead to
Cross double hypocycloid structures to be combined with balancing frame, inputted by eccentric shaft, four planetary plates are combined with steel ball, realize dynamic equilibrium height
Precision, the transmission of zero return difference.Ball gearing speed-reducer of the present utility model has that high transmission accuracy, gearratio be big, high transmission efficiency
The features such as, and due to the structure design of uniqueness, decelerator is provided with output par, c and realize zero return difference, small volume, in light weight
Deng advantage.
Brief description of the drawings
Fig. 1 is the structural representation for the ball gearing speed-reducer that the utility model first embodiment provides;
Fig. 2 is the structural representation of eccentric shaft 110 provided by the utility model;
Fig. 3 is the close-up schematic view of the first cycloid groove track 121 provided by the utility model and the first steel ball 122;
Fig. 4 is the close-up schematic view of the second cycloid groove track 123 provided by the utility model and the second steel ball 124;
Fig. 5 is the close-up schematic view of the steel ball 126 of groove 125 and the 3rd provided by the utility model;
Fig. 6 be eccentric shaft provided by the utility model rotation direction by it is clockwise when the fortune that is formed of the first steel ball 122
The perspective view of dynamic rail mark;
Fig. 7 is that the movement locus for the hypocycloid that the steel ball 124 of the first steel ball 122 and second provided by the utility model is formed shows
It is intended to;
The epicycloidal movement locus signal that Fig. 8 steel balls 124 of the first steel ball 122 and second provided by the utility model are formed
Figure;
Reference:
Eccentric shaft 110, the first gearratio of cycloid axle formation 110-1, the second gearratio of cycloid axle formation 110-2, deferent segment 110-3, the first planetary plate
111, balancing frame 112, the second planetary plate 113, the third line astrolabe 114, bearing 120, the first cycloid groove track 121 is first annular
Groove 121-1, the second annular groove 121-2, the first steel ball 122, the second cycloid groove track 123, the 3rd annular groove 123-1,
Fourth annular groove 123-2, the second steel ball 124, groove 125, the first groove 125-1, the second groove 125-2, the 3rd steel ball 126,
Casing 130, nut 140, the first end cap 150, the second end cap 160, the 3rd end cap 170.
Embodiment
To make the purpose of this utility model, technical scheme and advantage of greater clarity, with reference to embodiment
And referring to the drawings, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid not
Necessarily obscure concept of the present utility model.
The utility model is to use for reference planetary cycloidal pin gear reducer and develop a kind of next novel ball type gearing speed-reducer, can
It is widely used in robot, precision machine tool, new energy industry, revolution transmission industry, Aero-Space etc. with elaborate servo device to match somebody with somebody
Close the transmission mechanism used.For example, aircraft, airship, medicine equipment, instrument and meter etc..
Referring to Fig. 1, Fig. 1 is the structural representation for the ball gearing speed-reducer that the utility model first embodiment provides.
As shown in figure 1, the ball gearing speed-reducer of first embodiment of the present utility model, by four be set up in parallel
One planetary plate 111, balancing frame 112, the second planetary plate 113 and the third line astrolabe 114 make rotation input deceleration and generation rotation is defeated
Go out, including:Eccentric shaft 110, the first planetary plate 111, balancing frame 112, the second planetary plate 113 and the third line astrolabe 114.
Eccentric shaft 110 rotates around axle center.Specifically, eccentric shaft 110 is used as input shaft, pass through eccentric shaft 110
Input rotates, and is the rotation input of ball transmission speed reducer of the present utility model.
Input direction of the planetary plate 111 of balancing frame 112 and first along the eccentric shaft 110 is sequentially set in the eccentric shaft
On 110, and do eccentric rotary under the rotary motion of the eccentric shaft 110 respectively.First planetary plate 111 is in the eccentric rotary
During produce a driving force, and drive to the third line astrolabe 114, while produce a rotating inertia force.Balancing frame 112 and institute
State the first planetary plate 111 to be centrosymmetric, for generation and rotating inertia force power in opposite direction, to offset the rotation
Inertia force.In order to realize counterweight, it is necessary to ensure that balancing frame 112 produces in the size of power caused by rotation with the first planetary plate 111
The size of raw rotating inertia force is identical.
Here, in order that balancing frame 112 plays a part of counterweight, by the way that balancing frame 112 is arranged to and the first planetary plate
111 centrosymmetric modes so that balancing frame 112 can offset the rotating inertia force that the first planetary plate 111 is brought by bias.
Second planetary plate 113 is fixedly installed between the first planetary plate 111 and balancing frame 112, is the He of the first planetary plate 111
The rotation of balancing frame 112 provides support.In the utility model, the second planetary plate 113 is fixed planetary plate, is fixedly installed on
On casing 130, the second planetary plate 113 keeps geo-stationary with casing 130.
The third line astrolabe 114 is set on eccentric shaft 110, is rotated under the gearing of the first planetary plate 111.Specifically
Ground, the third line astrolabe 114 are the rotation output end of the utility model ball gearing speed-reducer.
Fig. 2 is the structural representation of eccentric shaft 110 provided by the utility model.
As shown in Fig. 2 eccentric shaft 110 includes:
Deferent segment 110-3, it is arranged on the output end of eccentric shaft 110;
Second gearratio of cycloid axle formation 110-2, it is arranged on the input of eccentric shaft 110;
First gearratio of cycloid axle formation 110-1, it is arranged between the second gearratio of cycloid axle formation 110-2 and deferent segment 110-3, it is eccentric with second
Shaft part 110-2 Central Symmetries;
Wherein, the first planetary plate 111, balancing frame 112, the third line astrolabe 114 are set in first by bearing 120 respectively
Gearratio of cycloid axle formation 110-1, the second gearratio of cycloid axle formation 110-2, on deferent segment 110-3.Specifically, as shown in figure 1, the first planetary plate 111
It is set in by bearing 120 on the first gearratio of cycloid axle formation 110-1, balancing frame 112 is set in the second gearratio of cycloid axle formation by bearing 120
On 110-2, the third line astrolabe 114 is set on deferent segment 110-3 by bearing 120.Wherein, the planetary plate of bearing 120 and first
111st, balancing frame 112 and the third line astrolabe 114 are interference fit.
Here, in order that balancing frame 112 plays a part of counterweight, by by the first gearratio of cycloid axle formation 110-1 of eccentric shaft 110
Central Symmetry is arranged to the second gearratio of cycloid axle formation 110-2, and then make it that balancing frame 112 and the first planetary plate 111 are centrosymmetric
Mode so that balancing frame 112 can offset the rotating inertia force that the first planetary plate 111 is brought by bias.
Fig. 3 is the close-up schematic view of the first cycloid groove track 121 provided by the utility model and the first steel ball 122.
As shown in figure 3, ball gearing speed-reducer of the present utility model also includes:
First cycloid groove track 121, it is arranged between the first planetary plate 111 and the second planetary plate 113, for carrying first
Steel ball;
Multiple first steel balls 122, setting is distributed uniformly and circumferentially in the first cycloid groove track 121, described
Under the rotation of one planetary plate 111, rotation and revolution motion are done.
Specifically, the first cycloid groove track 121 is annular, and it includes:
First annular groove 121-1, it is circumferentially disposed on the first planetary plate 111;
Second annular groove 121-2, be oppositely arranged with first annular groove 121-1 and with first annular groove 121-1 shapes
Shape matches, and is circumferentially disposed on the second planetary plate 113;
In order to increase the transmission accuracy of steel ball, the utility model is by increasing the area of contact of steel ball and groove, the first ring
Connected in star 121-1 and the second annular groove 121-2 cross section are substantially trapezoidal shape, semilune etc., by groove be arranged to it is trapezoidal,
Semilune etc. is to increase the area of contact of steel ball and groove, and then the transmission accuracy of raising steel ball.
In one embodiment, the first cycloid groove track 121 is concentrically and coaxially set with the first planetary plate 111.
Fig. 4 is the close-up schematic view of the second cycloid groove track 123 provided by the utility model and the second steel ball 124.
As shown in figure 4, ball gearing speed-reducer of the present utility model also includes:
Second cycloid groove track 123, it is arranged between the planetary plate 113 of balancing frame 112 and second, for carrying second
Steel ball 124;
Multiple second steel balls 124, setting is distributed uniformly and circumferentially in the second cycloid groove track 123, described flat
Weigh under the rotation of disk 112, do rotation and revolution motion.
Specifically, the second cycloid groove track 123 is annular, and it includes:
3rd annular groove 123-1, it is circumferentially disposed on the second planetary plate 113;
Fourth annular groove 123-2, be oppositely arranged with the 3rd annular groove 123-1 and with the 3rd annular groove 123-
1 shape matches, and is circumferentially disposed on balancing frame 3;
In order to increase the transmission accuracy of steel ball, the utility model is by increasing the area of contact of steel ball and groove, and described
The cross section of three annular grooves and fourth annular groove is substantially trapezoidal shape, semilune etc., and groove is arranged into trapezoidal, semilune
Etc. being in order to increase the area of contact of steel ball and groove, and then improve the transmission accuracy of steel ball.
In one embodiment, the second cycloid groove track 123 is concentrically and coaxially set with balancing frame 112.
In the utility model, the second planetary plate 113 for the rotation of the first planetary plate 111 and balancing frame 112 except providing
Outside support, it is additionally operable to limit the rotary motion trace of the first steel ball 122 and the second steel ball 124.
Fig. 5 is the close-up schematic view of the steel ball 126 of groove 125 and the 3rd provided by the utility model.
As shown in figure 5, ball gearing speed-reducer of the present utility model also includes:
Multiple grooves 125, it is arranged between the planetary plate 111 of the third line astrolabe 114 and first, for carrying the 3rd steel ball 126;
Multiple 3rd steel balls 126, the corresponding groove 125 of each 3rd steel ball 126, the multiple 3rd steel ball 126 is the
Under the rotation of one planetary plate 111, done rotation movement in corresponding groove.
Specifically, each groove 125 includes:First groove 125-1 and the second groove 125-2.
First groove 125-1, is arranged on the third line astrolabe 114;
Second groove 125-2, be oppositely arranged with the first groove 125-1 and with the first groove 125-1 shape phases
Match somebody with somebody, be arranged on the first planetary plate 111;
In order to increase the transmission accuracy of steel ball, the utility model is by increasing the area of contact of steel ball and groove, and described
One groove 125-1 and the second groove 125-2 cross section are substantially trapezoidal shape, semilune etc., and groove is arranged into trapezoidal, first quarter moon
Shape etc. is to increase the area of contact of steel ball and groove, and then the transmission accuracy of raising steel ball.
As shown in Fig. 6,7,8, the transmission principle of the utility model ball gearing speed-reducer is as follows:
Because the second planetary plate 113 is fixed planetary plate, is inputted by eccentric shaft 110, drive balancing frame 112 and first
Planetary plate 111, because the second planetary plate 113 is fixed disk, balancing frame 112, balancing frame 112 are transferred to by the second steel ball 124
Main function is to realize dynamic equilibrium for the mechanism of entirety.Second planetary plate 113 is fixed planetary plate, and eccentric shaft 110 inputs, band
Dynamic first planetary plate 111, is transferred to the third line astrolabe 114 by the 3rd steel ball 126, the output campaign of the third line astrolabe 114, reaches
The effect of deceleration.
Fig. 6 be eccentric shaft provided by the utility model rotation direction by it is clockwise when the fortune that is formed of the first steel ball 122
The perspective view of dynamic rail mark.
As shown in fig. 6, in one embodiment, when the direction of rotation of eccentric shaft 110 is clockwise, in eccentric shaft 110
Rotary action under, the rotation direction of the first planetary plate 111 and balancing frame 112 is also clockwise, the rotation of the third line astrolabe 114
Direction is counterclockwise.Conversely, when eccentric shaft 110 direction of rotation for it is counterclockwise when, the first planetary plate 111 and balancing frame 112
Rotation direction is also counterclockwise, and the direction of rotation of the third line astrolabe 114 is instantaneous pin.
As shown in fig. 6, when the rotation direction of eccentric shaft 110 is clockwise, the hypocycloid on the outside of annular broken is first
The movement locus that the side of the planetary plate 113 of steel ball 122 second contact is formed.Epicycloid on the inside of annular broken is the first steel ball
The movement locus that 122 sides contacted with the first planetary plate 111 are formed.
Fig. 7 is that the movement locus for the hypocycloid that the steel ball 124 of the first steel ball 122 and second provided by the utility model is formed shows
It is intended to.
As shown in fig. 7, when the rotation direction of eccentric shaft 110 is clockwise or counterclockwise, middle hypocycloid is first
The movement locus that the side of the planetary plate 113 of steel ball 122 second contact is formed, the hypocycloid of inner side balance for the second steel ball 124
The movement locus that the side that disk 112 contacts is formed.
The epicycloidal movement locus signal that Fig. 8 steel balls 124 of the first steel ball 122 and second provided by the utility model are formed
Figure.
As shown in figure 8, when the rotation direction of eccentric shaft 110 is clockwise or counterclockwise, middle epicycloid is first
The movement locus that is formed of side of the planetary plate 111 of steel ball 122 first contact, the outer hypocycloid of inner side are the second steel ball 124 the
The movement locus that the side of two planetary plates 112 contact is formed.
In an optional embodiment, ball gearing speed-reducer of the present utility model, in addition to:
Gap adjustment component, for adjusting the first planetary plate 111, balancing frame 112, the second planetary plate 113 and third planet
Gap between disk 114.In one embodiment, as shown in figure 1, gap adjustment component includes but is not limited to nut 140.Casing
130 left end endoporus is threaded, and is screwed into pre-load nut 140 and is promoted shafting componentses to move axially, can eliminate each cycloid groove
With the backlash between the backlash between steel ball group, and level trough, vertical channel and steel ball group, ensure no backlash engagement and transmission essence
Degree.Meanwhile stop washer (not shown) is installed between nut 140 and casing 130, prevent nut 140 from producing loosening.
As shown in figure 1, in an optional embodiment, ball gearing speed-reducer of the present utility model, in addition to:
First end cap 150, the second end cap 160, the 3rd end cap 170, are secured together by bolt and casing 130.
Eccentric shaft 110 is connected by bearing 120 with the second end cap 160, and eccentric shaft 110 is fixed on casing 130, the
Three end caps 170 compress bearing 120.
The utility model additionally provides a kind of transmission device with ball gearing speed-reducer described above.
As described above, describe ball gearing speed-reducer of the present utility model in detail, it is real with reference to New-type cycloidal planetary mechanism
The technique effects such as simple in construction, gear range is big, bearing capacity is strong and its precision easy for installation is adjustable are showed.And safeguard
It is convenient, due to the problem of abrasion of parts brings precise decreasing, precision can realized by gap adjustment component using process
It is adjustable.
Cycloid planetary speed reducer of the present utility model, on the basis of double hypocycloid motion principles, double hypocycloids add steel ball
Structure is moved to transmit, and is realized high accuracy, high efficiency, the kind of drive for product of breaking the normal procedure, is realized perfect be driven.This practicality is new
The cycloid planetary speed reducer of type is compared with the main distinction of prior art:It is original it is epicycloidal on the basis of add again in double
Cycloid, using contacting with each other to realize final machine driving for double hypocycloids and steel ball, reach transmission effect.
Cycloid planetary speed reducer of the present utility model, it is original it is epicycloidal on the basis of by complicated calculating and theory
Double hypocycloids and steel ball structure are added after research again, form track using double hypocycloids, steel ball is mutually transported in orbit
Move to realize final machine driving, can be reached using the more existing mechanism of machine driving of this New-type cycloidal planetary reduction gear
To stable drive, gearratio is big, bearing capacity is strong the advantages that.As a result of the high accuracy for composition of being arranged on double hypocycloid tracks
The critical component that the steel ball to harden transmits as motion so that the transmission of whole device motion is more steady, and precision is higher.Track
Entirely big cycloid orbits, no dead point, steel ball roll in orbit, and passing power, track fully contacts with steel ball, make its fortune
It is dynamic more steady effective.By the gap adjustment component of output end, can to steel ball in operation process caused by abrasion condition,
Appropriate adjustment is carried out, reaches the lasting holding of high accuracy.
It should be appreciated that above-mentioned embodiment of the present utility model is used only for exemplary illustration or explains this reality
With new principle, without forming to limitation of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the utility model.In addition,
The appended claims for the utility model are intended to fall into scope and border or this scope and border
Whole in equivalents changes and modifications example.
Claims (10)
- A kind of 1. ball gearing speed-reducer, it is characterised in that including:Eccentric shaft (110), the first planetary plate (111), balancing frame (112), the second planetary plate (113) and the third line astrolabe (114);The eccentric shaft (110) rotates around axis;The input direction of the balancing frame (112) and the first planetary plate (111) along the eccentric shaft (110) is sequentially set in described On eccentric shaft (110), and do eccentric rotary under the rotary motion of the eccentric shaft (110) respectively;First planetary plate (111) driving force is produced during the eccentric rotary, and drives to the third line astrolabe (114), while produces a rotation Inertia force;The balancing frame (112) is centrosymmetric with first planetary plate (111), for producing and the rotatory inertia The opposite power of force direction, to offset the rotating inertia force;Second planetary plate (113) is fixedly installed between first planetary plate (111) and balancing frame (112), is described The rotation of first planetary plate (111) and balancing frame (112) provides support;The third line astrolabe (114) is set on the eccentric shaft (110), is made in the transmission of first planetary plate (111) With lower rotation.
- 2. ball gearing speed-reducer according to claim 1, it is characterised in that also include:First cycloid groove track (121), it is arranged between first planetary plate (111) and the second planetary plate (113), for holding Carry the first steel ball (122);Multiple first steel balls (122), setting is distributed uniformly and circumferentially in the first cycloid groove track (121), described Under the rotation of one planetary plate (111), rotation and revolution motion are done.
- 3. ball gearing speed-reducer according to claim 2, it is characterised in that the first cycloid groove track (121) is annular, It includes:First annular groove (121-1), is circumferentially disposed on the first planetary plate (111);Second annular groove (121-2), be oppositely arranged with first annular groove (121-1) and with the first annular groove (121-1) shape matches, and is circumferentially disposed on the second planetary plate (113).
- 4. the ball gearing speed-reducer according to Claims 2 or 3, it is characterised in thatFirst cycloid groove track (121) is concentrically and coaxially set with the first planetary plate (111).
- 5. ball gearing speed-reducer according to claim 1, it is characterised in that also include:Second cycloid groove track (123), is arranged between the balancing frame (112) and the second planetary plate (113), for carrying the Two steel balls (124);Multiple second steel balls (124), setting is distributed uniformly and circumferentially in the second cycloid groove track (123), described flat Weigh under the rotation of disk (112), do rotation and revolution motion.
- 6. ball gearing speed-reducer according to claim 5, it is characterised in that the second cycloid groove track (123) is annular, It includes:3rd annular groove (123-1), it is circumferentially disposed on the second planetary plate (113);Fourth annular groove (123-2), be oppositely arranged with the 3rd annular groove (123-1) and with the 3rd annular groove (123-1) shape matches, and is circumferentially disposed on balancing frame (112).
- 7. the ball gearing speed-reducer according to claim 5 or 6, it is characterised in that the second cycloid groove track (123) is with putting down Weighing apparatus disk (112) is concentrically and coaxially set.
- 8. ball gearing speed-reducer according to claim 1, it is characterised in that also include:Multiple grooves (125), are arranged between the third line astrolabe (114) and the first planetary plate (111), for carrying the 3rd steel ball (126);Multiple 3rd steel balls (126), the corresponding groove (125) of each 3rd steel ball (126), the multiple 3rd steel ball (126) Under the rotation of the first planetary plate (111), done rotation movement in corresponding groove.
- 9. ball gearing speed-reducer according to claim 8, it is characterised in that each groove 125 includes:First groove (125-1), it is arranged on the third line astrolabe (114);Second groove (125-2), be oppositely arranged with the first groove (125-1) and with the first groove (125-1) shape phase Match somebody with somebody, be arranged on the first planetary plate (111).
- 10. ball gearing speed-reducer according to claim 1, it is characterised in that eccentric shaft (110) includes:Deferent segment (110-3), it is arranged on the output end of eccentric shaft (110);Second gearratio of cycloid axle formation (110-2), it is arranged on the input of eccentric shaft (110);First gearratio of cycloid axle formation (110-1), it is arranged between the second gearratio of cycloid axle formation (110-2) and deferent segment (110-3), it is inclined with second Mandrel section (110-2) Central Symmetry;Wherein, first planetary plate (111), the balancing frame (112), the third line astrolabe (114) pass through bearing (120) respectively It is set in the first gearratio of cycloid axle formation (110-1), the second gearratio of cycloid axle formation (110-2), on deferent segment (110-3).
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CN106969104A (en) * | 2017-05-17 | 2017-07-21 | 北京龙微智能科技股份有限公司 | A kind of ball gearing speed-reducer and transmission device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN106969104A (en) * | 2017-05-17 | 2017-07-21 | 北京龙微智能科技股份有限公司 | A kind of ball gearing speed-reducer and transmission device |
CN106969104B (en) * | 2017-05-17 | 2024-04-09 | 北京辐全智能科技股份有限公司 | Ball type transmission speed reducer and transmission device |
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Address after: 102200 Yongan Road, Changping District, Changping District, Beijing Patentee after: Beijing spoke full intelligence Polytron Technologies Inc Address before: 102200 Yongan Road, Changping District, Changping District, Beijing Patentee before: Beijing Longwei Intelligent Technology Co., Ltd. |