CN109340331A - A kind of coaxial speed-down device - Google Patents
A kind of coaxial speed-down device Download PDFInfo
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- CN109340331A CN109340331A CN201811545073.3A CN201811545073A CN109340331A CN 109340331 A CN109340331 A CN 109340331A CN 201811545073 A CN201811545073 A CN 201811545073A CN 109340331 A CN109340331 A CN 109340331A
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- cam surface
- guide groove
- cam
- rolling member
- down device
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- 238000005096 rolling process Methods 0.000 claims abstract description 70
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
- F16H13/06—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion
- F16H13/08—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion with balls or with rollers acting in a similar manner
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention provides a kind of coaxial speed-down devices, belong to field of mechanical technique.It solves the problems, such as that existing retarder stability is bad.This coaxial speed-down device includes shell and is rotatably arranged on the intracorporal cam disc of shell and output, have on cam disc along circular continuous multiple first cam surfaces, continuous first tooth socket of a circle is correspondingly provided on output, it is equipped with one between first tooth socket and the first cam surface and encloses spherical first rolling member, circular guide is further fixed in shell, guide part inner wall is equipped in a strip shape and length first guide groove axially extending along guide part, first guide groove and the first rolling member quantity are identical, first rolling member side is arranged in corresponding first guide groove, the first compressive plane on first tooth socket bottom wall with one section with the first cam surface face, first compressive plane and the cooperation of the first cam surface can be such that the first rolling member is kept in contact with the first guide groove inner wall.This coaxial speed-down device has the advantages that stability is good.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of deceleration device, especially a kind of coaxial speed-down device.
Background technique
Existing harmonic speed reducer is generally harmonic gear reducer, which is a kind of by fixed
Tooth firm gear, flexbile gear and the wave producer for making flexbile gear that radial deformation occur form, and harmonic drive is in gear reduction unit
A kind of novel drive structure, it is to generate controllable elastic deformation wave using flexible gear, causes the between cog of firm gear and flexbile gear
Power and movement are transmitted with respect to side set.
Above-mentioned harmonic gear reducer has the following problems: 1, flexbile gear periodically deforms, thus generates alternation
Stress makes it easy to generate fatigue rupture, and transmission stability is bad；2, rotary inertia and starting torque are big, should not be used in small function
The tracking of rate is driven；3, it cannot be used for occasion of the transmission speed ratio less than 35.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of coaxial speed-down device is proposed, is solved
The technical issues of be how to improve transmission stability.
Object of the invention can be realized by the following technical scheme: a kind of coaxial speed-down device, including shell and
It is rotatably arranged on the intracorporal cam disc of shell and output, and cam disc and output distribution are point-blank, have on cam disc
Have and be correspondingly provided with continuous first tooth socket of a circle along circular continuous multiple first cam surfaces, output, the first tooth socket and
A circle the first rolling member spherical in shape is equipped between first cam surface, which is characterized in that be further fixed in the shell in ring
The guide part of shape, guide part and cam disc are coaxially set, and all first rolling members are in guide part, the guiding
The inner wall of part is equipped in a strip shape and length first guide groove axially extending along guide part, the first guide groove and the first rolling member quantity
It is identical, and the side of each first rolling member is arranged in corresponding first guide groove, the bottom wall of each first tooth socket
On all have the first compressive plane of one section with the first cam surface face, and the first compressive plane and the cooperation of the first cam surface can make first
The inner wall of rolling member and the first guide groove is kept in contact.
The present apparatus use process is as follows: external drive source drive cam disc spins, then the first cam surface push first
Rolling member along output shaft be axially moved enter the first tooth socket in, when the first rolling member with first extruding face contact when cam disc with it is defeated
Part is in conjunction with to drive output rotation to carry out output power out；Since guide part is in stationary state, and the first rolling member is limited
In the first guide groove, in output rotation process, the first rolling member can be axially moved along output shaft and constantly extend into or out pair
The first tooth socket answered, and constantly output is pushed to rotate in the first rolling member moving process, export power constantly.
Since the first rolling member is limited in the first guide groove simultaneously only under the cooperation of the first compressive plane and the first cam surface
Axially movable, in this way in actual assembled, the distance between connected two first rolling member can be reduced as far as possible, makes this dress
The first rolling member as much as possible can be accommodated by setting, to effectively improve transmission stability；Secondly, by change the first cam surface and
The quantity of steel ball can get different speed ratios, to effectively improve ratio coverage.
In above-mentioned coaxial speed-down device, the first above-mentioned extruding is obliquely installed towards the first cam surface direction, described
The first cam be obliquely installed towards the first compressive plane direction, and the tilt angle of the first compressive plane and the first cam surface is 5
~45 degree of degree.
In above-mentioned coaxial speed-down device, the cross section of the first above-mentioned guide groove is in and the matched circular arc of the first rolling member
Shape.By increasing the contact area of the first rolling member and the first guide groove, to improve the stability and precision of the movement of the first rolling member,
To improve the transmission accuracy of the present apparatus.
In above-mentioned coaxial speed-down device, there is the input shaft being coaxially disposed with the cam disc on the cam disc
Portion, and cam disc is located between input axle portion and output, and adjusting ring is bolted in above-mentioned shell, adjusts ring set in input shaft
Outside portion, and inputs axle portion and be rotatably supported on adjusting ring by bearing.Rotation, which adjusts ring, can make cam disc axially movable, to adjust
The distance between the first cam surface and the first tooth socket are saved, to solve the problems, such as that precision caused by mismachining tolerance is inadequate.
In above-mentioned coaxial speed-down device, there is annular convex shoulder on the inner sidewall of the described adjusting ring, cam disc it is outer
There is annular shoulder block on side wall, bearing is clamped between annular convex shoulder and annular shoulder block, and the inner ring and outer ring of bearing respectively with
It inputs axle portion and adjusts ring and be connected.Using above-mentioned design, facilitate bearing, input axle portion and the assembling for adjusting ring.
In above-mentioned coaxial speed-down device, the output is the first fluted disc being coaxially set with cam disc, and
The first above-mentioned tooth socket is arranged on the end face of the first fluted disc.
Alternatively, in above-mentioned coaxial speed-down device, the output includes transmission mechanism, annular in shape
Driving member and the revolving part that is connect with housing into rotation, the driving member and cam disc be coaxially set, and at driving member
Between revolving part and cam disc, first tooth socket is located at driving member on this end face of cam disc, and driving member is logical
Cross above-mentioned transmission mechanism driving revolving part rotation.
In above-mentioned coaxial speed-down device, the revolving part is the second fluted disc being coaxially set with cam disc, institute
The second fluted disc stated has a circle along circular continuous second tooth socket on the end face of driving member, and driving member is close to the second tooth
Have on the end face of disk along circular continuous multiple second cam surfaces, the transmission mechanism include be set to the second cam surface and
One between second tooth socket encloses the second rolling member spherical in shape, and all second rolling members are in guide part, and described leads
It is equipped in a strip shape and length second guide groove axially extending along guide part to the inner wall of part, the second guide groove and second roll number of packages
Measure identical, and the side of each second rolling member is arranged in corresponding second guide groove, each second tooth socket it is interior
All have the second compressive plane of one section with the second cam surface face on wall, and the second compressive plane and the cooperation of the second cam surface can make the
The inner wall of two rolling members and the second guide groove is kept in contact.Using above-mentioned design, double reduction is realized, to improve speed ratio.
Alternatively, in above-mentioned coaxial speed-down device, the revolving part be rotating cylinder, the one of rotating cylinder
End is inserted in driving member, and the transmission mechanism includes being set to the internal spline on driving member inner wall and on rotation drum outer wall
External splines, and internal spline and external splines are meshed.
In above-mentioned coaxial speed-down device, the cross section of the second above-mentioned guide groove is in and the matched circular arc of the second rolling member
Shape.By increasing the contact area of the second rolling member and the second guide groove, to improve the stability and precision of the movement of the second rolling member,
To improve the transmission accuracy of the present apparatus.
In above-mentioned coaxial speed-down device, the second above-mentioned extruding is obliquely installed towards the second cam surface direction, described
The second cam be obliquely installed towards the second compressive plane direction, the tilt angle of the second above-mentioned cam surface and the second compressive plane is equal
It is 5 degree~45 degree.
Compared with prior art, this coaxial speed-down device has the advantage that
1, it is limited in the first guide groove simultaneously under the cooperation of the first compressive plane and the first cam surface due to the first rolling member
Only axially movable, in this way in actual assembled, the distance between connected two first rolling member can be reduced as far as possible, make this
Device can accommodate the first rolling member as much as possible, to effectively improve transmission stability.
2, it can get different speed ratios by changing the quantity of the first cam surface and steel ball, to effectively improve speed ratio model
It encloses.
3, rotation, which adjusts ring, can make cam disc axially movable, to adjust the distance between cam disc and the first tooth socket, with
Solve the problems, such as that precision caused by mismachining tolerance is inadequate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coaxial speed-down device in embodiment one.
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A.
Fig. 3 is the structural schematic diagram of cam disc.
Fig. 4 is the structural schematic diagram of output in embodiment one.
Fig. 5 is the structural schematic diagram of guide part in embodiment one.
Fig. 6 is the structural schematic diagram of coaxial speed-down device in embodiment two.
Fig. 7 is the enlarged structure schematic diagram in Fig. 6 at B.
Fig. 8 is the structural schematic diagram of driving member in embodiment two.
Fig. 9 is the structural schematic diagram of the second fluted disc in embodiment two.
In figure, 1, shell；2, cam disc；2a, input axle portion；2b, annular shoulder block；2c, the first cam surface；3, ring is adjusted；
3a, annular convex shoulder；4, output；4a, the first tooth socket；4b, the first output shaft；4c, the first compressive plane；4d, the second fluted disc；
4d1, the second output shaft；4d2, the second tooth socket；4d3, the second compressive plane；4e, driving member；4e1, the second cam surface；4f, second
Rolling member；5, the first rolling member；6, guide part；6a, the first guide groove；6b, the second guide groove.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
As shown in Figure 1, this coaxial speed-down device includes shell 1 and the cam disc 2 that is rotatably arranged in shell 1 and defeated
Part 4 out, and cam disc 2 and the distribution of output 4 are point-blank.
Wherein, there is the input axle portion 2a being coaxially disposed with the cam disc 2, and cam disc 2 is located at input shaft on cam disc 2
Between portion 2a and output 4.It is bolted in shell 1 and adjusts ring 3, adjust 3 sets of ring outside input axle portion 2a, and it is logical to input axle portion 2a
It crosses bearing to be rotatably supported on adjusting ring 3, at this point, rotation, which adjusts ring 3, can make cam disc 2 axially movable.It further illustrates, adjusts
It saves on the inner sidewall of ring 3 integrally formed with annular convex shoulder 3a, integrally formed with annular shoulder block 2b, ring on the lateral wall of cam disc 2
Shape shoulder block 2b is between annular convex shoulder 3a and output 4.Bearing is clamped between annular convex shoulder 3a and annular shoulder block 2b, i.e. axis
The end face for the inner ring and outer ring held offsets with annular shoulder block 2b and annular convex shoulder 3a respectively, and the inner ring and outer ring of bearing respectively with
It inputs axle portion 2a and adjusts ring 3 and be connected.
As shown in figures 1 and 3, cam disc 2 has convex along circular continuous multiple first on the end face of output 4
Wheel face 2c has a circle on output 4 along circular continuous first tooth socket 4a, and the first tooth socket 4a and the first cam surface 2c phase
Face.In the present embodiment, output 4 is the first fluted disc being coaxially set with cam disc 2, and the first above-mentioned tooth socket 4a is set
It sets on the end face of the first fluted disc.There is the first output shaft 4b being coaxially disposed with first fluted disc on first fluted disc, first
Fluted disc is between the first output shaft 4b and cam disc 2, and the first output shaft 4b is rotatablely connected by bearing and shell 1.
As depicted in figs. 1 and 2, a circle the first rolling member spherical in shape is equipped between the first tooth socket 4a and the first cam surface 2c
5, the quantity of the first rolling member 5 is depending on actual transmission ratio, and the quantity of the first rolling member 5 and the first tooth socket 4a can not
It together, can also be identical.Guide part 6 in a ring is further fixed in shell 1, guide part 6 and cam disc 2 are coaxially set, and institute
There is the first rolling member 5 to be in guide part 6.It is axially extending along guide part 6 that the inner wall of guide part 6 is equipped in a strip shape and length
The first guide groove 6a, the first guide groove 6a and 5 quantity of the first rolling member are identical, and the side of each first rolling member 5 is arranged at
In corresponding first guide groove 6a.
As shown in Figures 2 to 4, the of one section and the first cam surface 2c face is all had on the bottom wall of each first tooth socket 4a
One compressive plane 4c, and the first compressive plane 4c and the first cam surface 2c cooperation can make the inner wall of the first rolling member 5 and the first guide groove 6a
It is kept in contact.In the present embodiment, the first compressive plane 4c is arc-shaped and is obliquely installed to the first direction cam surface 2c, and first squeezes
The tilt angle of pressure surface 4c is 5 degree~45 degree；First cam surface 2c is tilted to the first direction tooth socket 4a, and the first cam surface 2c
Tilt angle is 5 degree~45 degree.
It further illustrates, as shown in figure 5, the cross section of the first guide groove 6a is in matched arc-shaped with the first rolling member 5.It is logical
The contact area for increasing the first rolling member 5 and the first guide groove 6a is crossed, to improve the stability and precision of the movement of the first rolling member 5,
To improve the transmission accuracy of the present apparatus.First rolling member 5 is steel ball or the baton round for having high intensity and wear resistance.
The present apparatus use process is as follows: external drive source drives cam disc 2 to rotate, and then the first cam surface 2c pushes the
One rolling member 5 is axially moved along output shaft to be entered in the first tooth socket 4a, convex when the first rolling member 5 is contacted with the first compressive plane 4c
Wheel disc 2 is combined with output 4 to drive the rotation of output 4 to carry out output power；Since guide part 6 is in stationary state, and first
Rolling member 5 is limited in the first guide groove 6a, and in 4 rotation process of output, the first rolling member 5 can be axially moved along output shaft
Corresponding first tooth socket 4a is constantly extended into or out, and constantly pushes output 4 to rotate in 5 moving process of the first rolling member,
Export power constantly.
Embodiment two
The present embodiment two is essentially identical with the structure and principle of embodiment one, the difference is that: as shown in fig. 6,
Output 4 includes transmission mechanism, driving member 4e annular in shape and the revolving part being rotatablely connected with shell 1.Wherein, driving member 4e
It is coaxially set with cam disc 2, and driving member 4e is between revolving part and cam disc 2.First tooth socket 4a is located at driving member 4e
On this end face of cam disc 2, driving member 4e drives revolving part to rotate by transmission mechanism.
Specifically, as shown in Fig. 6, Fig. 7, Fig. 8 and Fig. 9, revolving part is the second fluted disc being coaxially set with cam disc 2
There is the second output shaft 4d1, the second fluted disc 4d being coaxially disposed with the second fluted disc 4d to be located at second on 4d, the second fluted disc 4d
Between output shaft 4d1 and cam disc 2, and the second output shaft 4d1 is rotatablely connected by bearing and shell 1.Second fluted disc 4d
Have a circle along circular continuous second tooth socket 4d2 on the end face of driving member 4e, driving member 4e is close to the second fluted disc 4d
End face on have along circular continuous multiple second cam surface 4e1, transmission mechanism includes set on the second cam surface 4e1 and the
One between two tooth socket 4d2 encloses the quantity of the second rolling member 4f, the second rolling member 4f spherical in shape depending on actual transmission ratio,
And second the quantity of rolling member 4f and the second tooth socket 4d2 can be different, can also be identical.All second rolling member 4f, which are in, to be led
Into part 6, the inner wall of guide part 6 is equipped with the in a strip shape and length second guide groove 6b axially extending along guide part 6, the second guide groove
6b and the second rolling member 4f quantity are identical, and the side of each second rolling member 4f is arranged in corresponding second guide groove 6b,
The second compressive plane 4d3 of one section with the second cam surface 4e1 face is all had on the inner wall of each second tooth socket 4d2, and second squeezes
Pressure surface 4d3 and the second cam surface 4e1 cooperation can be such that the second rolling member 4f and the inner wall of the second guide groove 6b is kept in contact.Using above-mentioned
Design, realize double reduction, to improve speed ratio.In the present embodiment, the second compressive plane 4d3 is arc-shaped and to the second cam
The face direction 4e1 is obliquely installed, and the tilt angle of the second compressive plane 4d3 is 5 degree~45 degree；Second cam surface 4e1 is to the second tooth socket
The inclination of the direction 4d2, and the tilt angle of the second cam surface 4e1 is 5 degree~45 degree.
It further illustrates, the cross section of the second guide groove 6b is in matched arc-shaped with the second rolling member 4f.By increasing by the
The contact area of two rolling member 4f and the second guide groove 6b, to improve the stability and precision of the second rolling member 4f movement, to mention
The transmission accuracy of the high present apparatus.
In the present embodiment, as shown in fig. 7, guide part 6 is made of two ring bodies annular in shape, two ring bodies are along guide part
6 axial distribution, and the first guide groove 6a and the second guide groove 6b are located in two ring bodies.Naturally, in actual processing, guide part
6 also can be made an integral piece.
Embodiment three
The present embodiment three is essentially identical with the structure and principle of embodiment two, the difference is that: revolving part is rotation
Rotating cylinder, one end of rotating cylinder are inserted in driving member 4e, and transmission mechanism includes the internal spline on driving member 4e inner wall and is set to
The external splines on drum outer wall is rotated, and internal spline and external splines are meshed.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of coaxial speed-down device, the cam disc (2) and the output that including shell (1) and are rotatably arranged in shell (1)
Part (4), and cam disc (2) and output (4) distribution point-blank, on cam disc (2) have along circular continuous more
A first cam surface (2c) is correspondingly provided with continuous first tooth socket (4a) of a circle, the first tooth socket (4a) and first on output (4)
A circle the first rolling member (5) spherical in shape is equipped between cam surface (2c), which is characterized in that also fixed in the shell (1)
There is guide part (6) in a ring, guide part (6) and cam disc (2) are coaxially set, and all first rolling members (5) are in
In guide part (6), the inner wall of the guide part (6) be equipped in a strip shape and length along guide part (6) it is axially extending first
Guide groove (6a), the first guide groove (6a) is identical with the first rolling member (5) quantity, and the side of each first rolling member (5) is respectively provided with
In corresponding first guide groove (6a), one section and the first cam surface are all had on the bottom wall of each first tooth socket (4a)
First compressive plane (4c) of (2c) face, and the first compressive plane (4c) and the first cam surface (2c) cooperation can make the first rolling member
(5) inner wall with the first guide groove (6a) is kept in contact.
2. coaxial speed-down device according to claim 1 or 2, which is characterized in that above-mentioned the first compressive plane (4c) is to
The direction one cam surface (2c) is obliquely installed, and first cam surface (2c) is obliquely installed to the direction the first compressive plane (4c), and
The tilt angle of first compressive plane (4c) and the first cam surface (2c) is 5 degree~45 degree.
3. coaxial speed-down device according to claim 1 or 2, which is characterized in that above-mentioned the first guide groove (6a) it is transversal
Face is in matched arc-shaped with the first rolling member (5).
4. coaxial speed-down device according to claim 1 or 2, which is characterized in that have and this on the cam disc (2)
The input axle portion (2a) of cam disc (2) coaxial arrangement, and cam disc (2) is located between input axle portion (2a) and output (4), on
It is bolted in the shell (1) stated and adjusts ring (3), adjusting ring (3), which covers, is inputting axle portion (2a) outside, and inputs axle portion (2a) and pass through axis
It holds to be rotatably supported in and adjust on ring (3).
5. coaxial speed-down device according to claim 4, which is characterized in that have on the inner sidewall of the adjusting ring (3)
Have annular convex shoulder (3a), there is annular shoulder block (2b) on the lateral wall of cam disc (2), bearing is clamped in annular convex shoulder (3a) and ring
Between shape shoulder block (2b), and the inner ring and outer ring of bearing is connected with input axle portion (2a) and adjusting ring (3) respectively.
6. coaxial speed-down device according to claim 1 or 2, which is characterized in that the output (4) is and cam disc
(2) the first fluted disc being coaxially set, and above-mentioned the first tooth socket (4a) is arranged on the end face of the first fluted disc.
7. coaxial speed-down device according to claim 1 or 2, which is characterized in that the output (4) includes driver
Structure, driving member annular in shape (4e) and the revolving part with shell (1) rotation connection, the driving member (4e) and cam disc
(2) it is coaxially set, and driving member (4e) is between revolving part and cam disc (2), first tooth socket (4a), which is located at, to be passed
For moving part (4e) on this end face of cam disc (2), driving member (4e) drives revolving part rotation by above-mentioned transmission mechanism.
8. coaxial speed-down device according to claim 7, which is characterized in that the revolving part is same with cam disc (2)
The second fluted disc (4d) of axis setting, second fluted disc (4d) have a circle along annulus on the end face of driving member (4e)
Continuous second tooth socket (4d2) of shape, driving member (4e) have on the end face of the second fluted disc (4d) along circular continuous more
A second cam surface (4e1), the transmission mechanism include being set between the second cam surface (4e1) and the second tooth socket (4d2)
One circle the second rolling member (4f) spherical in shape, and all second rolling members (4f) are in guide part (6), the guide part
(6) inner wall is equipped in a strip shape and length second guide groove (6b) axially extending along guide part (6), the second guide groove (6b) and the
Two rolling members (4f) quantity is identical, and the side of each second rolling member (4f) is arranged in corresponding second guide groove (6b),
The second compressive plane of one section with the second cam surface (4e1) face is all had on the inner wall of each second tooth socket (4d2)
(4d3), and the second compressive plane (4d3) and the second cam surface (4e1) cooperation can make the second rolling member (4f) and the second guide groove (6b)
Inner wall be kept in contact.
9. coaxial speed-down device according to claim 8, which is characterized in that above-mentioned the second compressive plane (4d3) is to second
The direction cam surface (4e1) is obliquely installed, and second cam surface (4e1) is obliquely installed to the direction the second compressive plane (4d3), on
The tilt angle of the second cam surface (4e1) and the second compressive plane (4d3) stated is 5 degree~45 degree.
10. coaxial speed-down device according to claim 9, which is characterized in that the cross section of above-mentioned the second guide groove (6b)
In matched arc-shaped with the second rolling member (4f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545073.3A CN109340331B (en) | 2018-12-17 | 2018-12-17 | Coaxial speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545073.3A CN109340331B (en) | 2018-12-17 | 2018-12-17 | Coaxial speed reducer |
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| CN109340331A true CN109340331A (en) | 2019-02-15 |
| CN109340331B CN109340331B (en) | 2024-02-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131399A (en) * | 2019-06-13 | 2019-08-16 | 浙江三凯机电有限公司 | Combined type precise planet-gear speed reducer |
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| CN1487223A (en) * | 2003-08-27 | 2004-04-07 | 周德育 | Steel ball driving coaxial speed reducer |
| CN201118347Y (en) * | 2007-11-16 | 2008-09-17 | 东莞市智通机电有限公司 | Electromotor deceleration motor with shift bearing |
| JP2014190536A (en) * | 2013-03-28 | 2014-10-06 | Nsk Ltd | Loading cam device and friction roller type reduction gear |
| CN203239909U (en) * | 2013-05-08 | 2013-10-16 | 台州市行星变速机械厂 | High-precision worm gear and worm reducer |
| CN107504133A (en) * | 2017-10-20 | 2017-12-22 | 台州椒星传动设备有限公司 | A kind of worm type of reduction gearing |
| CN108843752A (en) * | 2018-08-16 | 2018-11-20 | 杨荣刚 | Multiple rows of precision ball retarder |
| CN209430701U (en) * | 2018-12-17 | 2019-09-24 | 浙江三凯机电有限公司 | A kind of coaxial speed-down device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110131399A (en) * | 2019-06-13 | 2019-08-16 | 浙江三凯机电有限公司 | Combined type precise planet-gear speed reducer |
| CN110131399B (en) * | 2019-06-13 | 2024-01-09 | 浙江三凯机电有限公司 | Combined precision planetary gear reducer |
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