CN105317940B - Speed reducer - Google Patents
Speed reducer Download PDFInfo
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- CN105317940B CN105317940B CN201510420103.8A CN201510420103A CN105317940B CN 105317940 B CN105317940 B CN 105317940B CN 201510420103 A CN201510420103 A CN 201510420103A CN 105317940 B CN105317940 B CN 105317940B
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- speed reducer
- pin
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000004323 axial length Effects 0.000 claims description 46
- 210000000515 tooth Anatomy 0.000 claims description 39
- 238000007373 indentation Methods 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention provides a kind of speed reducer, and the rotary motion of the first revolving speed is converted to the rotary motion of second revolving speed lower than the first revolving speed, which includes the input rotary body rotated with the first revolving speed；The output rotary body rotated with the second revolving speed；And be present in input rotary body and export the deceleration mechanism between rotary body, output rotary body includes the plectane body vertically configured with rotation axis；And the multiple pins extended parallel to rotation axis, plectane body have arrange in the circumferential it is multiple be pressed into hole, multiple pins are respectively provided with: positioned at the press-in portion being pressed into hole；And receiving the rotation transfer part of torque positioned at the outside for being pressed into hole and from deceleration mechanism, press-in portion includes and is pressed into the strong press-in portion being pressed into hole with the first magnitude of interference；And the light press-in portion for being pressed into hole is pressed by the position of rotation transfer part side and with second magnitude of interference smaller than the first magnitude of interference positioned at than strong press-in portion.
Description
Technical field
The present invention relates to a kind of speed reducers.
Background technique
Conventionally, there is known having used the speed reducer or inscribed planetary speed reducer of planetary gear mechanism.These deceleration equipments
Have: the plectane body being connected with exporting axis；And multiple pins of plectane body are fixed in arrangement and respective end in the circumferential.Input
The rotation of axis is decelerated and is transferred to each pin, and exports via plectane body from output shaft.The case where planetary speed reducer is inscribed
Under, above-mentioned multiple pins are respectively inserted into the multiple holes for being set to external gear.Also, in the deceleration for having used planetary gear mechanism
In the case where machine, the bearing of multiple planetary gears is respectively that can rotate by above-mentioned each pin.Also, the side of fixed disc body and each pin
Method is for example using indentation.That is, the hole more slightly smaller than the outer diameter of pin in plectane body setting diameter, with magnitude of interference presses the pin into this
Hole.
When assembling speed reducer, multiple pins are pressed into plectane body, and external gear or planetary gear are assembled in from plectane body
In with face each pin outstanding of the opposite side in indentation side of pin.Then, it is bolted etc. and to fix the end of each pin
In the disk-shaped component seperated with above-mentioned plectane body.Such as it is described in Japanese Unexamined Patent Publication 2007-127165 bulletin this
Previous speed reducer.
But if the state of plectane body is uneven around the hole that supply and marketing is pressed into, the indentation of the hole of plectane body because of pin
And it is unevenly crooked.Pin after being pressed into as a result, is sometimes relative to axially inclined.For example, the thickness in plectane body around hole
When spending uneven, if magnitude of interference is constant when pressure pin, around hole in thinner thickness part skew it is thicker than thickness
Part skew it is big.If this is the case, pin is easy to tilt to the side of thinner thickness.In this way, if each pin after indentation tilts,
It is difficult that external gear or planetary gear are accurately assembled in each pin.
Summary of the invention
The purpose of the present invention is to provide a kind of to incline relative to axial with being able to suppress multiple pins for being pressed into plectane body
The speed reducer of oblique structure.
The speed reducer of the illustrative embodiment of the application, the rotary motion of the first revolving speed is converted to than described
The rotary motion of the second low revolving speed of first revolving speed, the speed reducer include input rotary body, and the input rotary body is with described
The rotation of first revolving speed；Rotary body is exported, the output rotary body is rotated with second revolving speed；And deceleration mechanism, it is described to subtract
Fast mechanism is present between the input rotary body and the output rotary body, and the output rotary body includes plectane body, described
Plectane body is vertically configured with rotation axis；And multiple pins, the multiple pin is extended parallel to the rotation axis, described
Plectane body have arrange in the circumferential it is multiple be pressed into hole, the multiple pin is respectively provided with: press-in portion, the press-in portion are located at
It is described to be pressed into hole；And rotation transfer part, the rotation site of delivery is in the outside for being pressed into hole, and the rotation
Transfer part receives torque from the deceleration mechanism, and the press-in portion includes strong press-in portion, and the strong press-in portion is by with the first interference
Hole is pressed into described in amount indentation；And light press-in portion, the light press-in portion, which is located at, to be transmitted than the strong press-in portion by the rotation
The position of portion side, and the light press-in portion is by be pressed into hole described in the second magnitude of interference indentation smaller than first magnitude of interference.
It is preferred that the deceleration mechanism includes: external gear, the external gear has multiple external tooths in peripheral part；And internal tooth
Wheel, the internal gear have multiple internal tooths with the outer tooth engagement, external tooth described in the gear ratio of the internal gear in inner peripheral portion
The number of teeth of wheel is more, and the power that the external gear passes through the input rotary body on one side revolves around the rotation axis, passes through on one side
It is engaged and rotation with the internal gear, the external gear has multiple insertion holes, and the multiple pin is respectively inserted the multiple
Insertion hole.
It is preferred that the speed reducer has the multiple external gears arranged in the axial direction.
It is preferred that the internal diameter for being pressed into hole it is unrelated with the position of axial direction be it is constant, the outer diameter of the light press-in portion compares institute
The outer diameter for stating strong press-in portion is small.
It is preferred that the outer diameter of the press-in portion it is unrelated with axial position be it is constant, it is described be pressed into hole with it is described light
The internal diameter of the part of press-in portion contact is bigger than the internal diameter of the part contacted with the strong press-in portion being pressed into hole.
It is preferred that the axial length of the light press-in portion is 0.2 times or more of the axial length of the press-in portion.
It is preferred that the axial length of the strong press-in portion is 0.2 times or more of the axial length of the press-in portion.
It is preferred that the plectane body includes thick wall portion, the thick wall portion is located at the radially inner side for being pressed into hole；And it is thin
Wall portion, the thinner wall section are located at the radial outside for being pressed into hole, and the radial thickness of the thinner wall section is than the thick wall portion
Radial thickness is thin.
It is preferred that the speed reducer includes cylindric frame, the plectane body is at least contained in inside by the frame；With
And bearing, the bearing are present between the frame and the plectane body, the diameter that the bearing is located at the thinner wall section is outside
Side.
It is preferred that the pin also has flange part, the flange part is adjacent with the strong press-in portion, and the flange part and institute
Plectane body is stated to contact in the axial direction.
The structure of the speed reducer of the illustrative other embodiments of this case is that the speed reducer includes sun wheel, institute
Sun wheel is stated to rotate centered on rotation axis；Multiple planetary gears, the multiple planetary gear are configured around the sun wheel, described more
A planetary gear contacts rotation with the sun wheel；Cricoid outer ring body, the outer ring body are contacted with the multiple planetary gear；It is more
A pin, the multiple pin respectively rotatably support the multiple planetary gear；And plectane body, it is fixed in the plectane body
There are the multiple pin, the outer ring body and the pin using the rotation axis as center relative rotation, the plectane body has
Arranged in circumferential direction it is multiple be pressed into hole, the multiple pin is respectively provided with: press-in portion, and the press-in portion, which is located at, described is pressed into hole
It is interior；And supporting part, the supporting portion is in the outside for being pressed into hole and supports the planetary gear, the press-in portion tool
Have: strong press-in portion, the strong press-in portion is by be pressed into hole described in the indentation of the first magnitude of interference；And light press-in portion, the light pressure
Enter portion and be located at the position for leaning on the supporting part side than the strong press-in portion, and the light press-in portion is by than first magnitude of interference
Hole is pressed into described in small the second magnitude of interference indentation.
According to the illustrative embodiment of the application, it is able to suppress and is pressed into the pin of plectane body and inclines relative to axial
Tiltedly.Thereby, it is possible to accurately assemble the rotation transfer part of deceleration mechanism and pin.
According to the illustrative other embodiments of the application, it is able to suppress and is pressed into the pin of plectane body and inclines relative to axial
Tiltedly.Thereby, it is possible to accurately assemble the supporting part of planetary gear and pin.
By that the detailed description of the preferred embodiment of the present invention, can be more clearly understood that this hair referring to the drawings
Bright above-mentioned and other feature, element, step, features and advantages.
Detailed description of the invention
Fig. 1 is the longitudinal section view of speed reducer involved in one embodiment of the present invention.
Fig. 2 is the sectional elevation of speed reducer involved in one embodiment of the present invention.
Fig. 3 is the perspective view of the first plectane body and multiple pins before indentation.
Fig. 4 is the perspective view of the first plectane body and multiple pins after indentation.
Fig. 5 is the side view of pin.
Fig. 6 is the ratio and pin terminal part for showing the axial length of light press-in portion relative to the axial length of press-in portion entirety
Displacement between relationship chart.
Fig. 7 is the ratio and pin terminal part for showing the axial length of light press-in portion relative to the axial length of press-in portion entirety
Displacement between relationship chart.
Fig. 8 is the ratio and pin terminal part for showing the axial length of light press-in portion relative to the axial length of press-in portion entirety
Displacement between relationship chart.
Fig. 9 is the ratio and pin terminal part for showing the axial length of light press-in portion relative to the axial length of press-in portion entirety
Displacement between relationship chart.
Figure 10 is the longitudinal section view of speed reducer involved in other embodiments of the invention.
Figure 11 is the partial sectional view of the first plectane body involved in other embodiments of the invention.
Specific embodiment
Hereinafter, being illustrated with reference to attached drawing to illustrative embodiment of the invention.In addition, in this application, respectively
To be known as " axial direction " with the parallel direction of rotation axis of input rotary body or sun wheel, by with input rotary body or sun wheel
The orthogonal direction of rotation axis is known as " radial direction ", will be along the circular arc centered on the rotation axis for inputting rotary body or sun wheel
Direction is known as " circumferential direction ".But above-mentioned " parallel direction " further includes substantially parallel direction.Also, above-mentioned " orthogonal side
To " it further include substantially orthogonal direction.Also, below for ease of description, the right side in Fig. 1 or Figure 10 is known as respectively " defeated
Enter side ", the left side in Fig. 1 or Figure 10 is known as " outlet side ".
Fig. 1 be using including rotation axis 90 plane cutting one embodiment of the present invention involved in speed reducer 1 and
The longitudinal section view of formation.Fig. 2 is the sectional elevation for the speed reducer 1 that the position A-A from Fig. 1 is observed.
The speed reducer 1 is the rotary motion that the rotary motion of the first revolving speed is converted to second revolving speed lower than the first revolving speed
Inscribed planetary speed reducer.Speed reducer 1 is for example assembled into the disconnecting device, defeated of robot, lathe, X-Y table, material
The driving mechanism of line sending, turntable, roll etc. and used.But speed reducer of the invention can be used for other purposes.
As shown in Figure 1, the speed reducer 1 of present embodiment has input rotary body 10, deceleration mechanism 20 and output rotation
Body 30.
Input rotary body 10 is the component to rotate from i.e. the first revolving speed of externally input revolving speed.In the present embodiment,
Become input rotary body 10 along the cylindric component that rotation axis 90 configures.Input the end 101 of the input side of rotary body 10
It connect directly or via other power transfer mechanisms with the motor as driving source.When driving motor, rotary body 10 is inputted
It is rotated centered on rotation axis 90 by the first revolving speed.
Inputting rotary body 10 has the first eccentric part 11 and positioned at the second of the position for leaning on input side than the first eccentric part 11
Eccentric part 12.First eccentric part 11 has the cylindric outer peripheral surface centered on the first central axis 91, the first central axis
91 extend parallel in the position for deviateing rotation axis 90 with rotation axis 90.Second eccentric part 12 has with the second central axis
Cylindric outer peripheral surface centered on 92, the second central axis 92 are also flat in the position and rotation axis 90 for deviateing rotation axis 90
Extend capablely.The position of first central axis 91 and the second central axis 92 is across the opposite side each other of rotation axis 90.Also, work as
When inputting the rotation of rotary body 10, the position of the first central axis 91 and the second central axis 92 is also centered on rotation axis 90
Rotation.
Deceleration mechanism 20 is the rotation for being present in input rotary body 10 and exporting between rotary body 30 and will input rotary body 10
Turn deceleration of motion and is transferred to the mechanism of output rotary body 30.The deceleration mechanism 20 of present embodiment have the first external gear 21,
Second external gear 22 and frame 23.
First external gear 21 is installed on the outer peripheral surface of the first eccentric part 11 by roller bearing 24.Therefore, the first external gear
21 are supported to rotate freely centered on the first central axis 91 of the first eccentric part 11.Second external gear 22 is by Roller Shaft
Hold 25 outer peripheral surfaces for being installed on the second eccentric part 12.Therefore, the second external gear 22 is supported to the second of the second eccentric part 12
It is rotated freely centered on central axis 92.
Amplify such as in Fig. 2 and show, the first external gear 21 has in its peripheral part to radial outside multiple external tooths outstanding
41.Also, the outer inter-tooth slots 42 being recessed to radially inner side are provided between adjacent external tooth 41.External tooth 41 and outer inter-tooth slots 42
It is alternately arranged in the circumferential centered on the first central axis 91.Also, second external gear 22 identical as the first external gear 21
There are multiple external tooths 41 and multiple outer inter-tooth slots 42 in peripheral part.
Also, as shown in Figure 1 and Figure 2, the first external gear 21 has multiple (being in the example in figure 2 eight) insertion holes
43.Multiple insertion holes 43 are arranged at equal intervals in the circumferential centered on the first central axis 91.Each insertion hole 43 is than outer
Tooth 41 and outer inter-tooth slots 42 lean on the position of radially inner side along axially through the first external gear 21.Also, with the first external gear 21
Identical, the second external gear 22 also has multiple insertion holes 43.
In addition, there are two external gears 21,22 for the tool of deceleration mechanism 20 of present embodiment, but the quantity of external gear is also possible to
One, it can also be three or more.
Frame 23 is will to input rotary body 10, output rotary body 30 and two external gears 21,22 to be contained in the big of inside
Cause cylindric component.Amplify such as in Fig. 2 and show, frame 23 has in its inner peripheral portion to radially inner side multiple internal tooths outstanding
51.Also, the interior inter-tooth slots 52 being recessed to radial outside are provided between adjacent internal tooth 51.Internal tooth 51 and interior inter-tooth slots 52
It is alternately arranged in the circumferential centered on rotation axis 90.
Multiple external tooths 41 of each external gear 21,22 and multiple internal tooths 51 of frame 23 are intermeshed.That is, in 1 work of speed reducer
When making, the external tooth 41 of each external gear 21,22 is embedded in the interior inter-tooth slots 52 of frame 23, and the internal tooth 51 of frame 23 is embedded in each external gear
21,22 outer inter-tooth slots 42, while each external gear 21,22 is rotated.In this way, in the present embodiment, in the conduct of frame 23
Gear plays a role.But it is also possible to which the internal tooth of seperated component is provided as in the inner peripheral portion of frame 23 seperatedly with frame 23
Wheel.
First external gear 21 and the second external gear 22 are public around rotation axis 90 by the power of input rotary body 10 on one side
Turn, is engaged and rotation by the internal tooth 51 with frame 23 on one side.Here, the quantity of internal tooth 51 possessed by frame 23 than first outside
The quantity of gear 21 and the respective possessed external tooth 41 of the second external gear 22 is more.Therefore, the every revolution one of each external gear 21,22
Circle, the position of the external tooth 41 engaged with the internal tooth 51 of the same position of frame 23 can be staggered.First external gear 21 and as a result,
Two external gears 22 are slow towards the direction opposite with the input direction of rotation of rotary body 10 with second revolving speed lower than the first revolving speed
Ground rotation.Therefore, the insertion hole 43 of each external gear 21,22 is also rotating slowly with the second revolving speed.
The quantity of first external gear 21 and the respective possessed external tooth 41 of the second external gear 22 is being set as N, by frame
When the quantity of internal tooth 51 possessed by 23 is set as M, the reduction ratio P of deceleration mechanism 20 be P=(the first revolving speed)/(the second revolving speed)=
N/(M-N).In the example in figure 2, due to N=59, M=60, the reduction ratio of the deceleration mechanism 20 in the example is P=
59.That is, the second revolving speed becomes 1/59 revolving speed of the first revolving speed.But the reduction ratio of deceleration mechanism of the invention is also possible to
Other values.
Second revolving speed of the output rotary body 30 after slowing down is rotated centered on rotation axis 90.As shown in Figure 1, this implementation
The output rotary body 30 of mode has the first plectane body 31, the second plectane body 32 and multiple (being in the present embodiment eight)
Pin 33.
First plectane body 31 is the circular component vertically configured with rotation axis 90.The configuration of first plectane body 31 exists
Than the position that the first external gear 21 and the second external gear 22 lean on outlet side.Respectively in the first plectane body 31 and input rotary body 10
Between and the first plectane body 31 and frame 23 between there are ball bearings 60.As a result, the first plectane body 31 be supported to relative to
Frame 23 and input rotary body 10 rotate freely.
Also, the first plectane body 31 is provided with multiple (being in the present embodiment eight) quilts for the indentation of multiple pins 33
Press-in hole 311.It is multiple to be pressed into the arranged at equal intervals in the circumferential centered on rotation axis 90 of hole 311.Respectively it is pressed into 311 edge of hole
Axially through the first plectane body 31.
Second plectane body 32 is the circular component vertically configured with rotation axis 90.The configuration of second plectane body 32 exists
Than the position that the first external gear 21 and the second external gear 22 lean on input side.Respectively in the second plectane body 32 and input rotary body 10
Between and the second plectane body 32 and frame 23 between there are ball bearings 60.As a result, the second plectane body 32 be supported to relative to
Frame 23 and input rotary body 10 rotate freely.
Also, the multiple (in this implementation of the end insertion for supplying the input side of multiple pins 33 are provided in the second plectane body 32
It is eight in mode) fixing hole 321.Multiple fixing hole 321 arranged at equal intervals in the circumferential centered on rotation axis 90.
Each fixing hole 321 is along axially through the second plectane body 32.
Multiple pins 33 are the columned components for connecting the first plectane body 31 and the second plectane body 32.Each pin 33 and rotary shaft
Line 90 configures substantially in parallel.Also, multiple pins 33 are respectively inserted the multiple of the first external gear 21 and the second external gear 22
Insertion hole 43.Multiple pins 33 are pressed into the multiple of the first plectane body 31 respectively and are pressed into hole 311.Also, in the output of each pin 33
The end of side is provided with the flange part 331 of enlarged-diameter.Flange part 331 contacts in the axial direction with the first plectane body 31.Thus
Prevent each pin 33 from falling off to input side.Also, the end of the input side of each pin 33 is inserted into the fixing hole of the second plectane body 32
321, and the second plectane body 32 is fixed on using nut.
As shown in Fig. 2, between the outer peripheral surface in the face and pin 33 that constitute each insertion hole 43, there are gaps.Also, it is circular
Grommet 61 be inserted into the gap.When the first external gear 21 and the second external gear 22 are with the second revolving speed rotation after slowing down,
The power is transferred to each pin 33 via grommet 61.As a result, multiple pins 33, the first plectane body 31 and the second plectane body 32 with
Second revolving speed is rotated centered on rotation axis 90.
Then, the fixed structure of the first plectane body 31 and multiple pins 33 is described in detail.Fig. 3 is before being pressed into
The perspective view of first plectane body 31 and multiple pins 33.Fig. 4 is the solid of the first plectane body 31 and multiple pins 33 after indentation
Figure.Fig. 5 is the side view of pin 33.
As shown in figure 3, multiple pins 33 are pressed into the multiple of the first plectane body 31 from the outlet side of the first plectane body 31 respectively
It is pressed into hole 311.When multiple pins 33 are pressed into, as shown in figure 4, the end of the input side of each pin 33 is more defeated than the first plectane body 31
Enter the prominent facing towards input side of side.Also, it is connect by the flange part 331 of each pin 33 and the face of the outlet side of the first plectane body 31
Touching, completes the indentation of multiple pins 33.
As shown in figure 5, completing a part of the pin 33 after indentation becomes the press-in portion 71 for being located at and being pressed into hole 311.?
In the example of Fig. 5, the part adjacent with the input side of flange part 331 in pin 33 becomes press-in portion 71.Also, in pin 33 with
The input side adjacent portion of press-in portion 71 becomes the rotation transfer part 72 for being located at the outside for being pressed into hole 311.Rotation transmitting
Portion 72 is inserted into multiple insertion holes 43 of the first external gear 21 and the second external gear 22, and via grommet 61 from the first external gear
21 and second external gear 22 receive torque.
In one embodiment of the present invention, it is constant that it is unrelated with axial position, which to be pressed into the internal diameter in hole 311,.Relatively
Ground, the press-in portion 71 of pin 33 have the mutually different strong press-in portion 711 of outer diameter and light press-in portion 712.Strong press-in portion 711 and flange
The input side in portion 331 is adjacent.Light press-in portion 712 is located at the input side of strong press-in portion 711, and is located at the output of rotation transfer part 72
Side.Amplify such as in Fig. 5 and show, the outer diameter Rb of light press-in portion 712 is smaller than the outer diameter Ra of strong press-in portion 711.Therefore, it will suppress
Enter portion 711 and be pressed into be pressed into the magnitude of interference in hole 311 and be set as " the first magnitude of interference ", light press-in portion 712 is pressed into and is pressed
When entering the magnitude of interference in hole 311 and being set as " the second magnitude of interference ", the second magnitude of interference is smaller than the first magnitude of interference.
In addition, in one embodiment of the present invention, the outer diameter Rb and the outer diameter phase of rotation transfer part 72 of light press-in portion 712
Together.But the outer diameter Rb of light press-in portion 712 can also need not be identical with the outer diameter of rotation transfer part 72.
Table 1 shows the result investigated using structure elucidation software following situation: multiple pins 33 are being pressed into first
After plectane body 31, the end of the input side of pin 33 radial displacement how much.In the example 1 in table 1, make the press-in portion of pin 33
71 external diameter constant.In the example 2 in table 1, the outer diameter Rb of light press-in portion 712 is set as the outer diameter than strong press-in portion 711
Ra is small.In addition, in the example of table 1, by the first plectane of ratio body 31 in pin 33 to the axial length of input side part outstanding
It is set as 40.5mm, the axial length that will be pressed into portion 71 is set as 16.5mm, and the axial length of the strong press-in portion 711 in example 2 is set
For 11.0mm, the axial length of the light press-in portion 712 in example 2 is set as 5.5mm.
Table 1
[mm]
Parsing the result is that: in example 1, the radial displacement of the end of the input side of pin 33 is 0.0173mm.With this
Relatively, in example 2, the radial displacement of the end of the input side of pin 33 is 0.0014mm.That is, compared with example 1, example 2
Pin 33 input side end radial displacement it is small.Even if changing each section of the internal diameter, pin 33 that are pressed into hole 311
Axial length, in the case where be pressed into position of the hole 311 in the first plectane body 31 etc. and be carried out similarly parsing, as a result also phase
Together, compared with the external diameter constant of press-in portion 71 the case where, in the feelings for changing outer diameter using strong press-in portion 711 and light press-in portion 712
Under condition, the radial displacement of the end of the input side of pin 33 is small.
By the parsing result it is found that being able to suppress indentation by the way that strong press-in portion 711 and light press-in portion 712 is arranged in pin 33
Pin 33 afterwards is relative to axially inclined.It, just can be high-precision by the rotation transfer part 72 of pin 33 as long as being able to suppress the inclination of pin 33
It is assembled in the first external gear 21 and the second external gear 22 to degree.
Pin 33 after being able to suppress indentation when pin 33 is provided with strong press-in portion 711 and light press-in portion 712 tilts, and is to be based on
What following reason speculated.That is, such as above-mentioned example 1, if whole to press-in portion 71 suppress into being pressed into the whole of hole 311
Occur in a axial direction because crooked caused by suppressing.In contrast, such as above-mentioned example 2, if leaning on input side than strong press-in portion 711
Position light press-in portion 712 is set, although then the light outer peripheral surface of press-in portion 712 and the composition of the first plectane body 31 are pressed into hole
311 face contact, but be not easy to make to be pressed into hole 311 and skew occurs.Therefore, around strong press-in portion 711, even if being pressed into hole
311 occur skew, also can use the inclination of pin 33 caused by light press-in portion 712 is corrected because of the skew.As a result, it is believed that pressure
The inclination of pin 33 after entering is suppressed.
Especially as one embodiment of the present invention is arranged with multiple in the axial direction compared with external gear is one situation
In the case where external gear, need to lengthen the axial length of pin 33.Therefore, in order to by the rotation transfer part 72 of pin 33 accurately group
Loaded on multiple external gears, the inclination of pin 33 is inhibited to become more important.
Also, as shown in figure 3, the first plectane body 31 of one embodiment of the present invention is inside in the diameter for being pressed into hole 311
Side has thick wall portion 312, and has thinner wall section 313 in the radial outside for being pressed into hole 311.The radial thickness ratio of thinner wall section 313
The radial thickness of thick wall portion 312 is thin.Constitute if so, then configure with capable of being biased against radial outside it is multiple be pressed into hole 311 and
Multiple pins 33.Therefore, pitch diameter expands, and can reduce the load for being applied to pin 33.But the first plectane body 31 is this thin
Wall portion 313 is easy to deform because of indentation.Therefore, in this configuration, the inclination of pin 33 is inhibited to become more important.
Especially in one embodiment of the present invention, ball bearing 60 is configured in the radial outside of thinner wall section 313.Therefore,
In order to configure ball bearing 60, the radial thickness of thinner wall section 313 is become thinner.Therefore, in this configuration, the inclination of pin 33 is inhibited to become
It is more important.
In the example of fig. 5, the axial length L b of light press-in portion 712 is shorter than the axial length L a of strong press-in portion 711.That is,
The axial length L b of light press-in portion 712 is less than half of the whole axial length L o of press-in portion 71.But light press-in portion 712
Axial length L b can also be than the axial length L a long of strong press-in portion 711.Also, the axial length L a of strong press-in portion 711 with
The axial length L b of light press-in portion 712 can also be equal.
The chart of Fig. 6~Fig. 9 shows the knot investigated using structure elucidation software identical with table 1 following situation
Fruit: change the ratio of the axial length L o of 71 entirety of axial length L b and press-in portion of light press-in portion 712, to observe the defeated of pin 33
How the displacement for entering the end of side changes.In the example of Fig. 6~Fig. 9, by the internal diameter for being pressed into hole 311 be set to 8mm,
10mm,12mm,16mm.It is by strong press-in portion using each data series that mark ◇,, △ are drawn also, in Fig. 6~Fig. 9
711 and data when being set to 0.005mm, 0.010mm, 0.015mm of the difference of magnitude of interference of light press-in portion 712.
No matter according to which of Fig. 6~Fig. 9 result all it is found that when Lb/Lo is 50% or so, the input side of pin 33
End displacement it is minimum, as Lb/Lo is close to 0% or 100%, the displacement of the end of the input side of pin 33 becomes larger.
According to the result of Fig. 6~Fig. 9 it can be said that it is preferred that the axial length L b of light press-in portion 712 is that press-in portion 71 is whole
0.2 times or more of axial length L o, the axial length L b of more preferably light press-in portion 712 are the whole axial length L o of press-in portion 71
0.3 times or more.By ensuring the axial length L b of light press-in portion 712 to a certain extent, can more effectively be passed through
Light press-in portion 712 corrects the inclined effect of pin 33.Also, even if in the case where mismachining tolerance occurs, due to light press-in portion
712 axial length will not be too short, therefore pin 33 also can more reliably be inhibited to tilt.
Also, according to the result of Fig. 6~Fig. 9 it can be said that it is preferred that the axial length L a of strong press-in portion 711 is that press-in portion 71 is whole
0.2 times or more of the axial length L o of body, the axial length L a of more preferably strong press-in portion 711 are that the whole axial direction of press-in portion 71 is long
0.3 times or more for spending Lo.By ensuring the axial length of strong press-in portion 711 to a certain extent, can be improved pin 33 is fixed
In the fixing intensity of the first plectane body 31.Also, even if in the case where mismachining tolerance occurs, due to the axis of strong press-in portion 711
Will not be too short to length, therefore pin 33 also can more reliably be inhibited to tilt.
Figure 10 is to cut off speed reducer involved in other embodiments of the invention using the plane including rotation axis 90A
1A and the longitudinal section view formed.Speed reducer 1A be include that institute is utilized in sun gear 14A and multiple planetary gear 26A
The speed reducer of the planetary gear mechanism of meaning.The speed reducer 1A of present embodiment have input rotary body 10A, deceleration mechanism 20A with
And output rotary body 30A.
Rotary body 10A is inputted to rotate from externally input revolving speed, i.e. the first revolving speed.The input rotary body of present embodiment
10A has the input shaft 13A and sun gear 14A as sun wheel.Input shaft 13A is the circle configured along rotation axis 90A
The component of tubular.The end 131A of the input side of input shaft 13A is directly or via other power transfer mechanisms and as driving source
Motor connection.When driving motor, input rotary body 10A is rotated centered on rotation axis 90A by the first revolving speed.
Sun gear 14A is fixed on the outer peripheral surface of input shaft 13A, and is with rotation axis 90A together with input shaft 13A
Center rotation.Sun gear 14A has towards radial outside multiple fixed star tooth 141A outstanding.
Deceleration mechanism 20A is to be present between input rotary body 10A and output rotary body 30A and will input rotary body 10A
Rotary motion slow down and be transferred to output rotary body 30A mechanism.The deceleration mechanism 20A of present embodiment has frame 23A
With multiple planetary gear 26A as planetary gear.
Multiple planetary gear 26A are configured at equal intervals around sun gear 14A.Each planetary gear 26A has insertion hole in center
260A.Inserted with aftermentioned pin 33A in insertion hole 260A.Each planetary gear 26A is rotatably supported by pin 33A.
Also, the multiple planet tooth 261A engaged with fixed star tooth 141A are provided in the peripheral part of each planetary gear 26A.
Frame 23A will input rotary body 10A, output rotary body 30A and multiple planetary gear 26A is contained in inside
Substantially cylindric component.Frame 23A has the multiple internal tooth 51A engaged with planet tooth 261A in its inner peripheral portion.That is, multiple rows
Star gear 26A is engaged with both internal tooth 51A of the fixed star tooth 141A of sun gear 14A and frame 23A always respectively.Cause
This, in sun gear 14A rotation, multiple planetary gear 26A are on one side using pin 33A as center rotation, on one side along frame 23A's
Inner peripheral surface is slowly revolved with the second revolving speed lower than the first revolving speed.
In this way, in the present embodiment, frame 23A plays a role as the outer ring body contacted with planetary gear 26A.But
It is that can also be provided as contacting with planetary gear 26A for seperated component in the inner peripheral portion of frame 23A seperatedly with frame 23A
Cricoid outer ring body.
Second revolving speed of the rotary body 30A after slowing down is exported to rotate centered on rotation axis 90A.As shown in Figure 10, originally
The output rotary body 30A of embodiment has the first plectane body 31A, the second plectane body 32A and multiple pin 33A.
First plectane body 31A is the circular component vertically configured with rotation axis 90A.First plectane body 31A matches
It sets in the position for leaning on outlet side than multiple planetary gear 26A.Respectively between the first plectane body 31A and input shaft 13A and
There are ball bearing 60A between one plectane body 31A and frame 23A.The first plectane body 31A is supported to relative to frame 23A as a result,
And input shaft 13A is rotated freely.
Also, it is provided in the first plectane body 31A and is pressed into hole 311A for the multiple of multiple pin 33A indentation.It is multiple to be pressed
Enter hole 311A arranged at equal intervals in the circumferential centered on rotation axis 90A.Hole 311A is respectively pressed into along axially through the first circle
Plate body 31A.
Second plectane body 32A is the circular component vertically configured with rotation axis 90A.Second plectane body 32A matches
It sets in the position for leaning on input side than multiple planetary gear 26A.Respectively between the second plectane body 32A and input shaft 13A and
There are ball bearing 60A between two plectane body 32A and frame 23A.The second plectane body 32A is supported to relative to frame 23A as a result,
And input shaft 13A is rotated freely.
Also, the second plectane body 32A is provided with multiple fixing hole of the end insertion for the input side of multiple pin 33A
321A.Multiple fixing hole 321A arranged at equal intervals in the circumferential centered on rotation axis 90A.Each fixing hole 321A is along axis
To the second plectane body 32A of perforation.
Multiple pin 33A are the columned components for connecting the first plectane body 31A and the second plectane body 32A.Each pin 33A and rotation
Shaft axis 90A is configured substantially in parallel.Multiple pin 33A are pressed into the multiple of the first plectane body 31A respectively and are pressed into hole 311A, and
And it is respectively inserted the insertion hole 260A of multiple planetary gear 26A.The end of the outlet side of each pin 33A is provided with enlarged-diameter
Flange part 331A.Flange part 331A is contacted in the axial direction with the first plectane body 31A.Thus prevent each pin 33A to input side
It falls off.Also, the end of the input side of each pin 33A is inserted into the fixing hole 321A of the second plectane body 32A, and solid using nut
Due to the second plectane body 32A.
When multiple planetary gear 26A are with the second revolving speed revolution after slowing down, which is transferred to each pin 33A.Its result
It is that multiple pin 33A, the first plectane body 31A and the second plectane body 32A are rotated centered on rotation axis 90A by the second revolving speed.
In this way, although the structure of the deceleration mechanism of the speed reducer 1A of present embodiment is different from the first embodiment, still
If being only conceived to output rotary body 30A, there is the structure similar with the output rotary body 30 of first embodiment.Each pin 33A
Include the press-in portion 71A for being located at the inside for being pressed into hole 311A；And positioned at the outside and supporting planetary tooth for being pressed into hole 311A
Take turns the supporting part 72A of 26A.Therefore, identical with first embodiment, if the press-in portion 71A of pin 33A be arranged strong press-in portion and
Light press-in portion, the pin 33A inclination after being just able to suppress indentation.If also, inhibit pin 33A inclination, it just being capable of accurately group
Fill each supporting part 72A and planetary gear 26A of multiple pin 33A.
More than, illustrative embodiment of the invention is illustrated, but the present invention is not limited to the above embodiments.
Figure 11 is the partial sectional view of the first plectane body 31B involved in other embodiments of the invention.Figure 11's
In example, it is constant that it is unrelated with axial position, which to sell the outer diameter of the press-in portion 71B of 33B,.Relatively, the first plectane body 31B
The internal diameter Rd for the part contacted with light press-in portion 712B being pressed into the 311B of hole is than the part that contacts with strong press-in portion 711B
Internal diameter Rc is big.This manner it is also possible to by making to be pressed into the part different with internal diameter hole 311B, so that the pressure of light press-in portion 712B
The magnitude of interference of indentation of the magnitude of interference entered less than strong press-in portion 711B.But from the viewpoint of the easness of processing, have pin
The part for having outer diameter different is easier with the different part of internal diameter than making to be pressed into hole.
High-intensitive metal can be used for example in the material for constituting each component of speed reducer.But the material of each component is only
If the material of load when being able to bear use, it is not necessary to be limited to metal.
Also, in the respective embodiments described above, flange part becomes a part of pin.That is, the press-in portion of pin is with flange part
The component being connected.But flange part is also possible to the component seperated with pin.
Also, in the respective embodiments described above, the end of the outlet side of multiple pins is pressed into the first plectane body, multiple pins
The second plectane body is fixed on using nut in the end of input side.It however, it can be such as flowering structure: the end of the input side of multiple pins
Portion is pressed into the second plectane body, and the first plectane body is fixed on using nut in the end of the outlet side of multiple pins.At this point, being pressed into
The pin of second plectane body is arranged strong press-in portion and positioned at the light press-in portion than strong press-in portion by the position of outlet side.
Also, in above-mentioned other embodiments, uses sun gear as sun wheel, used planetary gear work
For planetary gear.Also, power is transmitted using the engagement of the two.It however, it can be such as flowering structure: using fixed star roller as perseverance
Star-wheel uses planetary rollers as planetary gear, and transmits power using the frictional force that the contact by the two generates.
Also, in above-mentioned other embodiments, the position of frame be it is fixed, multiple pins relative to the frame revolve
Turn.But it is also possible to which the position of fixed multiple pins, rotates frame relative to multiple pin.That is, as long as frame and pin are to revolve
Shaft axis is the structure of center relative rotation.
Also, the shape of the detail section of speed reducer can also be different from shape shown in each figure of the application.Also,
In the range of not conflicting, each element occurred in above embodiment and variation can also be combined properly in.
Claims (18)
1. the rotary motion of the first revolving speed is converted to the rotation of second revolving speed lower than first revolving speed by a kind of speed reducer
Movement,
The speed reducer is characterized in that, comprising:
Rotary body is inputted, the input rotary body is rotated with first revolving speed；
Rotary body is exported, the output rotary body is rotated with second revolving speed；And
Deceleration mechanism, the deceleration mechanism are present between the input rotary body and the output rotary body, and will be described defeated
The rotary motion for entering rotary body slows down and is transferred to the output rotary body,
The output rotary body includes
Plectane body, the plectane body are vertically configured with rotation axis；And
Multiple pins, the multiple pin are extended parallel to the rotation axis,
The plectane body have equally spaced arranged in the circumferential centered on the rotation axis it is multiple be pressed into hole, respectively
Hole is pressed into along axially through the plectane body,
The multiple pin is respectively provided with:
Press-in portion, the press-in portion are located at described be pressed into hole；And
Transfer part is rotated, the rotation site of delivery is in the outside for being pressed into hole, and the rotation transfer part subtracts from described
Fast mechanism receives torque,
The press-in portion includes
Strong press-in portion, the strong press-in portion is by be pressed into hole described in the indentation of the first magnitude of interference；And
Light press-in portion, the light press-in portion are located at the position than the strong press-in portion by the rotation transfer part side, and described light
Press-in portion is by be pressed into hole described in the second magnitude of interference indentation smaller than first magnitude of interference.
2. speed reducer according to claim 1, which is characterized in that
The deceleration mechanism includes:
External gear, the external gear have multiple external tooths in peripheral part；And
Internal gear, the internal gear have multiple internal tooths with the outer tooth engagement in inner peripheral portion,
The number of teeth of external gear described in the gear ratio of the internal gear is more,
The external gear pass through on one side it is described input rotary body power revolve around the rotation axis, on one side by with it is described interior
Gear engages and rotation,
The external gear has multiple insertion holes,
The multiple pin is respectively inserted the multiple insertion hole.
3. speed reducer according to claim 2, which is characterized in that
The speed reducer has the multiple external gears arranged in the axial direction.
4. speed reducer according to any one of claim 1 to 3, which is characterized in that
The internal diameter for being pressed into hole is unrelated with axial position be it is constant,
The outer diameter of the light press-in portion is smaller than the outer diameter of the strong press-in portion.
5. speed reducer according to any one of claim 1 to 3, which is characterized in that
The outer diameter of the press-in portion is unrelated with axial position be it is constant,
The internal diameter of the part contacted with the light press-in portion being pressed into hole than it is described be pressed into hole with it is described strong
The internal diameter of the part of press-in portion contact is big.
6. speed reducer according to any one of claim 1 to 3, which is characterized in that
The axial length of the light press-in portion is 0.2 times or more of the axial length of the press-in portion.
7. speed reducer according to any one of claim 1 to 3, which is characterized in that
The axial length of the strong press-in portion is 0.2 times or more of the axial length of the press-in portion.
8. speed reducer according to any one of claim 1 to 3, which is characterized in that
The plectane body includes
Thick wall portion, the thick wall portion are located at the radially inner side for being pressed into hole；And
Thinner wall section, the thinner wall section are located at the radial outside for being pressed into hole,
The radial thickness of the thinner wall section is thinner than the radial thickness of the thick wall portion.
9. speed reducer according to claim 8, which is characterized in that
The speed reducer includes
The plectane body is at least contained in inside by cylindric frame, the frame；And
Bearing, the bearing are present between the frame and the plectane body,
The bearing is located at the radial outside of the thinner wall section.
10. speed reducer according to any one of claim 1 to 3, which is characterized in that
The pin also has flange part, and the flange part is adjacent with the strong press-in portion, and the flange part and the plectane body
It contacts in the axial direction.
11. a kind of speed reducer, structure are,
The speed reducer includes
Sun wheel, the sun wheel are rotated centered on rotation axis, and are had towards radial outside multiple fixed star teeth outstanding；
Multiple planetary gears, the multiple planetary gear are configured around the sun wheel, and the multiple planetary gear is contacted with the sun wheel
Rotation；
Cricoid outer ring body, the outer ring body are contacted with the multiple planetary gear；
Multiple pins, the multiple pin respectively rotatably support the multiple planetary gear；And
Plectane body is fixed with the multiple pin in the plectane body,
The outer ring body and the pin using the rotation axis as center relative rotation,
The speed reducer is characterized in that,
The plectane body have equally spaced arranged in the circumferential centered on the rotation axis it is multiple be pressed into hole, respectively
Hole is pressed into along axially through the plectane body,
The multiple pin is respectively provided with:
Press-in portion, the press-in portion are located at described be pressed into hole；And
Supporting part, the supporting portion is in the outside for being pressed into hole and supports the planetary gear,
The press-in portion includes
Strong press-in portion, the strong press-in portion is by be pressed into hole described in the indentation of the first magnitude of interference；And
Light press-in portion, the light press-in portion are located at the position that the supporting part side is leaned on than the strong press-in portion, and the light indentation
Portion is by be pressed into hole described in the second magnitude of interference indentation smaller than first magnitude of interference.
12. speed reducer according to claim 11, which is characterized in that
The internal diameter for being pressed into hole is unrelated with axial position be it is constant,
The outer diameter of the light press-in portion is smaller than the outer diameter of the strong press-in portion.
13. speed reducer according to claim 11, which is characterized in that
The outer diameter of the press-in portion is unrelated with axial position be it is constant,
The internal diameter of the part contacted with the light press-in portion being pressed into hole than it is described be pressed into hole with it is described strong
The internal diameter of the part of press-in portion contact is big.
14. speed reducer according to claim 11, which is characterized in that
The axial length of the light press-in portion is 0.2 times or more of the axial length of the press-in portion.
15. speed reducer according to claim 11, which is characterized in that
The axial length of the strong press-in portion is 0.2 times or more of the axial length of the press-in portion.
16. speed reducer according to claim 11, which is characterized in that
The plectane body includes
Thick wall portion, the thick wall portion are located at the radially inner side for being pressed into hole；And
Thinner wall section, the thinner wall section are located at the radial outside for being pressed into hole,
The radial thickness of the thinner wall section is thinner than the radial thickness of the thick wall portion.
17. speed reducer according to claim 16, which is characterized in that
The speed reducer includes
The plectane body is at least contained in inside by cylindric frame, the frame；And
Bearing, the bearing are present between the frame and the plectane body,
The bearing is located at the radial outside of the thinner wall section.
18. speed reducer according to claim 11, which is characterized in that
The pin also has flange part, and the flange part is adjacent with the strong press-in portion, and the flange part and the plectane body
It contacts in the axial direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014147529A JP6356514B2 (en) | 2014-07-18 | 2014-07-18 | Decelerator |
| JP2014-147529 | 2014-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105317940A CN105317940A (en) | 2016-02-10 |
| CN105317940B true CN105317940B (en) | 2019-03-08 |
Family
ID=54686105
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520518670.2U Expired - Fee Related CN204828500U (en) | 2014-07-18 | 2015-07-16 | Speed reducer |
| CN201510420103.8A Active CN105317940B (en) | 2014-07-18 | 2015-07-16 | Speed reducer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520518670.2U Expired - Fee Related CN204828500U (en) | 2014-07-18 | 2015-07-16 | Speed reducer |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6356514B2 (en) |
| CN (2) | CN204828500U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6356514B2 (en) * | 2014-07-18 | 2018-07-11 | 日本電産シンポ株式会社 | Decelerator |
| JP6906352B2 (en) * | 2017-04-19 | 2021-07-21 | ナブテスコ株式会社 | Decelerator |
| JP6918343B2 (en) * | 2017-05-22 | 2021-08-11 | Ｓｋｇ株式会社 | Rotation deceleration transmission device |
| JP7344674B2 (en) * | 2019-05-24 | 2023-09-14 | ナブテスコ株式会社 | Decelerator |
| JP7266492B2 (en) * | 2019-08-09 | 2023-04-28 | 株式会社ニッセイ | Differential reducer and method for manufacturing differential reducer |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917066A (en) * | 1982-07-16 | 1984-01-28 | Sumitomo Heavy Ind Ltd | Lubricative supporting device for outer pin of rotation converting mechanism |
| JPS62283236A (en) * | 1986-06-02 | 1987-12-09 | Hitachi Ltd | Planetary gears |
| JPS63115910A (en) * | 1986-11-05 | 1988-05-20 | セイコーインスツルメンツ株式会社 | Press-in pin to plastic part |
| JPH10110789A (en) * | 1996-10-02 | 1998-04-28 | Sumitomo Heavy Ind Ltd | Internally engaging planetary gear structure |
| JPH11247812A (en) * | 1998-03-05 | 1999-09-14 | Tokai Rika Co Ltd | Fastener |
| JP2003074449A (en) * | 2001-09-05 | 2003-03-12 | Denso Corp | Starter |
| DE102007027761A1 (en) * | 2007-06-16 | 2008-12-18 | Schaeffler Kg | Planet carrier, has connecting area formed by borehole in planet carrier parts, and shaft provided at borehole in press-fit manner, where borehole is defined in axial end region of shaft by radial protrusion |
| JP5440326B2 (en) * | 2010-03-30 | 2014-03-12 | 株式会社ジェイテクト | Transmission gear device and manufacturing method thereof |
| JP5318282B2 (en) * | 2010-03-31 | 2013-10-16 | アイシン・エィ・ダブリュ株式会社 | Vehicle drive device |
| WO2012063555A1 (en) * | 2010-11-10 | 2012-05-18 | 株式会社ジェイテクト | Planetary gear reducer |
| JP6175380B2 (en) * | 2014-02-20 | 2017-08-02 | 住友重機械工業株式会社 | Planetary reducer |
| JP6356514B2 (en) * | 2014-07-18 | 2018-07-11 | 日本電産シンポ株式会社 | Decelerator |
-
2014
- 2014-07-18 JP JP2014147529A patent/JP6356514B2/en active Active
-
2015
- 2015-07-16 CN CN201520518670.2U patent/CN204828500U/en not_active Expired - Fee Related
- 2015-07-16 CN CN201510420103.8A patent/CN105317940B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN204828500U (en) | 2015-12-02 |
| CN105317940A (en) | 2016-02-10 |
| JP6356514B2 (en) | 2018-07-11 |
| JP2016023695A (en) | 2016-02-08 |
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