CN107299983B - Speed change gear - Google Patents
Speed change gear Download PDFInfo
- Publication number
- CN107299983B CN107299983B CN201610234424.3A CN201610234424A CN107299983B CN 107299983 B CN107299983 B CN 107299983B CN 201610234424 A CN201610234424 A CN 201610234424A CN 107299983 B CN107299983 B CN 107299983B
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- China
- Prior art keywords
- cam
- plural
- gear
- plural number
- cam part
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Classifications
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Retarders (AREA)
- Transmission Devices (AREA)
Abstract
The present invention is about a kind of speed change gear.The speed change gear includes: an outer ring member, and inside includes an at least external gear;One mandrel, at least an external gear is coaxially hubbed at the outer ring member with this, has a central axis and its periphery is equipped with plural cam engaging portion;Plural cam part is removably socketed on the plural number cam engaging portion respectively, rotates synchronously with the mandrel, and the angular phase that there is the two a numerical value to be not zero at least within of the plural number cam part is poor;Plural internal gear is rigid, is sheathed on the plural number cam part respectively and does not rotate with the plural number cam part, at least an outer gear portion engages with this respectively.
Description
Technical field
The present invention relates to mechanical equipment technical field, especially a kind of speed change gear.
Background technique
The acceleration or deceleration of the general controllable mechanism of speed change gear is mainly realized acceleration or is subtracted by gear ratio
Speed, but to realize that the volume compared with big retarding or speed-up ratio then speed change gear by relative increase, and is not met actual using needing
Ask, thus under a designated volume and possess compared with big retarding or the speed change gear of speed-up ratio in response to and give birth to.
However, plural cam part is directly fixed in mandrel in a kind of known speed change gear, such as wherein cam event
Hinder or then need with mandrel to replace the plural number cam part together when need to adjust the quantity of the plural number cam part, and internal-external gear
Between for face contact there is larger friction, also influence the transmitting of power, the cam part of another such known speed change gear with it is interior
There is gap, and its internal gear generally all has a pliability between gear, thus the cam part of such known speed change gear with
Actuation between internal gear, internal gear and external gear, meeting turn of power due to internal gear rigidity is insufficient or without the mechanism for assisting actuation
It changes that efficiency is bad and accuracy is insufficient, there is the scarce disadvantage urgently improved.
Therefore, it is necessary to provide speed change gear a kind of novel and with progressive, to solve the above problem.
Summary of the invention
The object of the present invention is to provide a kind of speed change gears, and the transfer efficiency, actuation accuracy and stability of power can be improved,
And it is convenient for disassembly and assembly quickly and can cooperate demand adjust internal mechanism.
To achieve the above object, the present invention takes following technical scheme:
The present invention provides a kind of speed change gear, comprising: an outer ring member, inside include an at least external gear;One mandrel, with
At least an external gear is coaxially hubbed at the outer ring member for this, has a central axis and its periphery is equipped with plural cam and combines
Portion;Plural cam part is removably socketed on the plural number cam engaging portion respectively, rotates synchronously with the mandrel, and the plural number is convex
The angular phase that there is the two a numerical value to be not zero at least within of wheel component is poor;Plural internal gear is rigid, covers respectively
It is rotated set on the plural number cam part and not with the plural number cam part, at least an outer gear portion engages with this respectively.
Each cam engaging portion includes at least one axial tangent plane, and each cam part has one to run through and shape pair
It should be in the sets of holes of the shape of the cam engaging portion.
Each cam part includes one being socketed on the wherein cam member of a cam engaging portion and a set of group convex in this
The interior Bearing of gear member, each inner gear housing group is in the wherein one interior Bearing.
Each cam member is all positive round and mutually closely connected socket with the shape of corresponding interior Bearing.
The mandrel is equipped with an axial tangent plane, and each cam part has a perforative sets of holes, respectively the hole of the sets of holes
Wall is equipped with an axial abutment plane for abutting the axial tangent plane, and the two at least within of the axial direction abutment plane has a number
The angular phase that value is not zero is poor.
The speed change gear separately includes plural auxiliary cam component, and respectively the auxiliary cam component is hubbed at described including one
The shaft member of outer ring member, together dynamic the auxiliary cam part and a set of group of auxiliary in the auxiliary cam part for being socketed on the shaft member
Bearing, wherein there is each internal gear a set of centre bore for being located therein a cam part and plural number to be set to the centre bore
Around perforation, which is arranged in the plural perforation respectively, and respectively the perforation set group is in wherein described in one
Bearing is assisted, the plural auxiliary cam component relative to the same internal gear has identical court with the working curved surface of cam part
To.
The speed change gear separately includes the pillar that plural number is fixed in the outer ring member, wherein each internal gear separately passes through
It is set to the arc guide groove around the centre bore equipped with plural number, respectively the arc guide groove is sheathed on a wherein pillar and deposits therebetween
In ring clearance.
The teeth portion of the external gear and the internal gear one of at least within is more circle-arc teeth, and more circle-arc teeth are by plural number
A continuous connected and with different radius of curvature circular arc is constituted, and each teeth portion which is meshed with the internal gear is all
Slide tangential contact.
Each external gear is equipped with plural perforation, and respectively the outer peripheral surface of the external gear separately radially cuts open narrow logical equipped with plural number
Slot, each perforation are connected to the wherein one narrow through slot, are formed with one between the plural number internal gear and the outer ring member
Gap is additionally provided with greasing substance between the outer ring member and the plural cam part.
Each cam engaging portion includes four axial tangent planes, and the four axial tangent plane is two-by-two diametrically, described each convex
Wheel component have one run through and shape correspond to the cam engaging portion shape sets of holes;Respectively the cam part is socketed on including one
The wherein cam member of the cam engaging portion and a set of group of interior Bearing in the cam member, each inner gear housing group is in wherein one
The interior Bearing;Respectively the cam member is all positive round and mutually closely connected socket with the shape of corresponding interior Bearing;The external gear and should
The teeth portion of internal gear one of at least within is more circle-arc teeth, which continuous be connected by a plurality of and have different curvature
The circular arc of radius is constituted, and each teeth portion which is meshed with the internal gear is all sliding tangential contact;The respectively cam member
With a perforative sets of holes, respectively the hole wall of the sets of holes is closely connected is socketed on corresponding cam engaging portion, and respectively the hole wall of the sets of holes is equipped with
Four axial abutment planes, the four axial abutment plane abut the four axial tangent plane;The angular distances such as the plural number cam member it is socketed on
The mandrel;The outer ring member separately includes two shells, two pedestals and two pedestal Bearings, and respectively the external gear is equipped with plural number and passes through
Hole, plural pin member are arranged in the part perforation and are inserted in two shell, and plural fastener is arranged in two shell and portion
Divide the perforation, which is located between two shell, and the two pedestals Bearing is sheathed on two pedestal respectively
And it is located at the two sides of the plural number internal gear, which is connected to respectively between two shell and an at least external gear,
The mandrel is fed through an at least external gear, two pedestal and the two pedestals Bearing, the plural number pillar removably with this two
Pedestal is affixed;Between the mandrel and the respectively pedestal, respectively the pedestal and separately set respectively respectively between the shell and between two shell
There is a seal ring;Respectively the outer peripheral surface of the external gear, which radially cuts open, is equipped with the narrow through slot of plural number, respectively the perforation and wherein one described narrow logical
Slot connection;A gap is formed between the plural number internal gear and the respectively pedestal;Between the outer ring member and the plural number cam part
It is additionally provided with greasing substance.
The beneficial effects of the present invention are: plural internal gear of the invention actuation and is aided with the plural number auxiliary cam portion simultaneously
Part improves the accurate and stability of the speed change gear, also improves the service life of the speed change gear.The speed change gear has pole
Good kinetic energy efficiency and dismounting and adjustment components are simple and quick.
Detailed description of the invention
Fig. 1 is the perspective view of first embodiment of the invention.
Fig. 2 is the perspective view of first embodiment of the invention.
Fig. 3 is the exploded view of first embodiment of the invention.
Fig. 4 is the diagrammatic cross-section of first embodiment of the invention.
Fig. 5 and Fig. 6 is more circle-arc tooth enlarged diagrams of first embodiment of the invention.
Fig. 7 is the diagrammatic cross-section of first embodiment of the invention.
Fig. 8 is the diagrammatic cross-section of second embodiment of the invention.
Fig. 9 and Figure 10 is the cam member schematic diagram of third embodiment of the invention.
Drawing reference numeral: 1,1a: speed change gear;2: outer ring member;21,21a: external gear;22: perforation;23: narrow through slot;24:
Shell;25: pedestal;26: pedestal Bearing;27: pin member;28: fastener;29a, 29b, 29c: seal ring;3,3a: mandrel;30: in
Mandrel line;31: cam engaging portion;32: axial tangent plane;4: auxiliary cam component;41: shaft member;42: auxiliary cam part;43: auxiliary
Help Bearing;5: cam part;52,52c, 52d: cam member;53,53c, 53d: sets of holes;54: axial abutment plane;55: interior training
Woods;6,6a: internal gear;61: centre bore;62: perforation;63: arc guide groove;64: more circle-arc teeth;65: gap;7: pillar;71: more than ring
Gap.
Specific embodiment
Hereinafter the possible state sample implementation of the present invention is only illustrated with embodiment, is so not intended to limit the invention and to be protected
Scope, conjunction are first chatted bright.
Fig. 1 to 7 is please referred to, shows the first embodiment of the present invention, speed change gear 1 of the invention includes an outer ring member
2, a mandrel 3, plural cam part 5 and plural internal gear 6.
The inside of the outer ring member 2 includes an at least external gear 21.The mandrel 3 and an at least external gear 21 coaxially pivot
Set on the outer ring member 2, which has a central axis 30 and its periphery is equipped with plural cam engaging portion 31.The plural number is convex
Wheel component 5 is removably socketed on the plural number cam engaging portion 31 respectively, and rotates synchronously with the mandrel 3, the plural number cam part
The angular phase that there is the two a numerical value to be not zero at least within of part 5 is poor.The plural number internal gear 6 is rigid and covers respectively
Do not rotated with the plural number cam part 5 set on the plural number cam part 5 and not, the plural number internal gear 6 respectively with an at least external tooth
Take turns the engagement of 21 parts.Whereby, respectively cam part 5 of the speed change gear 1 is to be detachably secured in the mandrel 3, therefore can
It is individually replaced the respectively cam part 5, can be assembled according to demand as different angle configuration and escapable cost.Also, the plural number
Internal gear 6 is synchronously carried out circular swing, and at least external gear 21 is driven to hold to mitigate the respectively plural number internal gear 6 simultaneously
Power and the transfer efficiency, accuracy and stability for improving the speed change gear 1.
In the present embodiment, which separately includes that plural auxiliary cam component 4 and plural number are fixed in the outer ring member
2 pillar 7.The overall stability and structural strength of the speed change gear 1 can be improved in the pillar 7.Respectively the auxiliary cam component 4 includes
One be hubbed at the outer ring member 2 shaft member 41, together dynamic the auxiliary cam part 42 for being socketed on the shaft member 41 and a set of group be in this
The auxiliary Bearing 43 of auxiliary cam part 42, wherein respectively the internal gear 6 has a set of centre bore for being located therein the cam part 5
61 and plural number be set to the perforation 62 around the centre bore 61, which is arranged in the plurality of through holes 62 respectively,
Respectively 62 sets of groups of the perforation are in the wherein one auxiliary Bearing 43, relative to the same internal gear 6 plural auxiliary cam component 4 with it is convex
The working curved surface of wheel component 5 have identical direction, whereby respectively the auxiliary cam component 4 can help the actuation for stablizing the external gear 21 and
Can lifting force transmitting.Respectively the internal gear 6 separately provides the arc guide groove 63 that plural number is set to around the centre bore 61, respectively the arc guide groove
63 are sheathed on wherein pillar 7 and supply to keep 6 actuation of internal gear smooth therebetween there are ring clearance 71.
In the present embodiment, respectively the cam engaging portion 31 includes four (at least one) axial tangent planes 32, this four
Two-by-two diametrically, respectively the cam part 5 preferably has one and runs through and shape corresponds to the cam engaging portion axial tangent plane 32
The sets of holes 53 of 31 shape.Respectively the cam part 5 includes a cam member 52 and one for being socketed on the wherein cam engaging portion 31
Set group is in the interior Bearing 55 of the cam member 52, and respectively 6 sets of groups of the internal gear are in the wherein one interior Bearing 55.The respectively cam member 52 and phase
The shape for the interior Bearing 55 answered is all positive round and mutually closely connected socket makes that power can be completely directly passed and enhancing structure intensity makes
The cam member 52 and the interior Bearing 55 are hardly damaged.The teeth portion of the external gear 21 and the internal gear 6 one of at least within is more
Circle-arc tooth 64, preferably both the external gear 21 and the internal gear 6 are all more circle-arc teeth 64, and more circle-arc teeth 64 are by a plurality of companies
Each teeth portion continuous to be connected and there is the circular arc of different radius of curvature to be constituted, that such external gear 21 is meshed with the internal gear 6
It is all sliding tangential contact, friction can be reduced whereby.Respectively the cam member 52 has a perforative sets of holes 53, respectively the hole of the sets of holes 53
Wall is closely connected to be socketed on corresponding cam engaging portion 31, and respectively the hole wall of the sets of holes 53 is equipped with four axial abutment planes 54, four axial direction
Abutment plane 54 abuts the four axial tangent plane 32 so that the mandrel 3 can drive the cam member 52 rotation, and the plural number cam member
52 equal angular distances (but unlimited) be socketed on the mandrel 3 so that the difference for forcing in the external gear 21 that the grade internal gears 6 can be averaged
Angle position.
In the present embodiment, which includes separately two shells 24, two pedestals 25 and two pedestal Bearings 26, and respectively this is outer
Gear 21 is equipped with plural perforation 22, and plural pin member 27 is arranged in the part grade perforations 22 and is inserted in two shell 24, plural number
Fastener 28 is arranged in two shell 24 and the part grade perforations 22, two external gear 21 are located between two shell 24, should
Two pedestal Bearings 26 are sheathed on two pedestal 25 respectively and are located at the two sides of the plural number internal gear 6, the two pedestals Bearing 26 difference
Be connected between two shell 24 and two external gear 21, the mandrel 3 be fed through two external gear 21, two pedestal 25 and this two
Pedestal Bearing 26, the plural number pillar 7 is removably affixed in order to dismount with two pedestal 25, and whereby, which can be steady
Solid positioning the speed change gear 1 internal structure.
In the present embodiment, the mandrel 3 and respectively between the pedestal 25, respectively the pedestal 25 and respectively between the shell 24 and
Seal ring 29a, 29b, a 29c is separately respectively equipped between two shell 24.Respectively the outer peripheral surface of the external gear 21, which radially cuts open, is equipped with
The narrow through slot 23 of plural number, respectively the narrow through slot 23 is connected to the perforation 22 with wherein one.Shape between the plural number internal gear 6 and the respectively pedestal 25
The gap Cheng Youyi 65 is to reduce friction.Preferably, being additionally provided with greasing substance between the outer ring member 2 and the plural number cam part 5
And it circulates within the speed change gear 1 to reduce the friction between each spare part.The grade seal rings can completely cut off the speed change gear 1
It is internal that prevent, the greasing substance from being leaked out or foreign matter enters with external.
In use, which rotates and drives the cam part 5 to rotate so that the internal gear 6 is with the side of circular swing
Formula actuation is in the external gear 21, and the speed change gear 1, which is not required to additional gear i.e., whereby has biggish reduction ratio, and the speed change fills
The volume for setting 1 can be controlled in lesser range to meet demand.Such as make the external gear 21 rotation with drive the internal gear 6 carry out around
Ring swings and is exported by the mandrel 3, then can obtain having larger speed-up ratio.
The second embodiment of Fig. 8 is please referred to, speed change gear 1a can pass through the mandrel 3a, internal gear 6a of replacement different length
Quantity and external gear 21a axial width (in other embodiments also visual demand and adjust the quantity of the external gear) simultaneously
Preferably be averaged the load for waiting internal gears 6a and external gear 21a.
The 3rd embodiment of Fig. 9 and Figure 10 are please referred to, the sets of holes of the sets of holes 53c and cam member 52d of cam member 52c
53d can also be the configuration of different radical length directions and position, but using can above make internal gear and external gear stablize actuation.
In other embodiments, respectively the cam engaging portion of the mandrel includes the axial tangent plane of plural number, and respectively the cam part has
There are a perforative sets of holes, respectively the hole wall of the sets of holes is equipped with an axial abutment plane, this waits axial abutment plane (such as Fig. 9 and Figure 10
Shown in cam member) be connected to different axial tangent plane;Again or the mandrel of the speed change gear is equipped with an axial tangent plane, respectively should
Cam part has a perforative sets of holes, and respectively the hole wall of the sets of holes is equipped with an axial abutment plane for abutting the axial direction tangent plane,
The angular phase that there is the two a numerical value to be not zero at least within of grade axial direction abutment plane is poor;But make the convex of the speed change gear
Wheel component is detachably secured to the mandrel.
In other embodiments, the shaft member of each equal auxiliary cams component also can extend over the pedestal and by being socketed at least
The mode of one driven gear is engaged with other driving gears;It can be non-mutually closely connected between the mandrel and cam part of the speed change gear
Socket is also without can not.
In conclusion the plural number internal gear actuation and is aided with the plural number auxiliary cam component simultaneously, the speed change gear is improved
Accurate and stability, also improve the service life of the speed change gear.The speed change gear have splendid kinetic energy efficiency and
Dismounting and adjustment components are simple and quick.
Claims (9)
1. a kind of speed change gear, which is characterized in that it includes:
One outer ring member, inside include an at least external gear;
One mandrel, at least an external gear is coaxially hubbed at the outer ring member with this, has a central axis and its periphery is equipped with
Plural cam engaging portion;
Plural cam part is removably socketed on the plural number cam engaging portion respectively, rotates synchronously with the mandrel, and the plural number is convex
The angular phase that there is the two a numerical value to be not zero at least within of wheel component is poor;
Plural internal gear is rigid, is sheathed on the plural number cam part respectively and does not rotate with the plural number cam part, point
At least an outer gear portion does not engage with this;
The mandrel is equipped with an axial tangent plane, and each cam part has a perforative sets of holes, and respectively the hole wall of the sets of holes is set
There is the axial abutment plane of an abutting axial tangent plane, the two at least within of the axial direction abutment plane has a numerical value not
The angular phase for being zero is poor.
2. speed change gear as described in claim 1, which is characterized in that each cam engaging portion is axially cut flat with including at least one
Face, each cam part have one run through and shape correspond to the cam engaging portion shape sets of holes.
3. speed change gear as described in claim 1, which is characterized in that each cam part is socketed on a wherein institute including one
The cam member and a set of group of interior Bearing in the cam member of cam engaging portion are stated, each inner gear housing group is described interior in wherein one
Bearing.
4. speed change gear as claimed in claim 3, which is characterized in that each cam member with it is corresponding in Bearing shape all
For positive round and mutually closely connected socket.
5. a kind of speed change gear, which is characterized in that it includes:
One outer ring member, inside include an at least external gear;
One mandrel, at least an external gear is coaxially hubbed at the outer ring member with this, has a central axis and its periphery is equipped with
Plural cam engaging portion;
Plural cam part is removably socketed on the plural number cam engaging portion respectively, rotates synchronously with the mandrel, and the plural number is convex
The angular phase that there is the two a numerical value to be not zero at least within of wheel component is poor;
Plural internal gear is rigid, is sheathed on the plural number cam part respectively and does not rotate with the plural number cam part, point
At least an outer gear portion does not engage with this;
Plural auxiliary cam component, respectively the auxiliary cam component include one be hubbed at the outer ring member shaft member, move ground together
It is socketed on the auxiliary cam part and a set of group of auxiliary Bearing in the auxiliary cam part of the shaft member, wherein each internal gear tool
There are a set of centre bore for being located therein a cam part and plural number to be set to the perforation around the centre bore, plural number auxiliary is convex
Wheel component is arranged in the plural number perforation respectively, and respectively the perforation set group is in the wherein one auxiliary Bearing, relative to same interior
The plural auxiliary cam component of gear has identical direction with the working curved surface of cam part.
6. speed change gear as claimed in claim 5, which is characterized in that another includes the branch that plural number is fixed in the outer ring member
Column, wherein each internal gear separately provides the arc guide groove that plural number is set to around the centre bore, respectively the arc guide groove is sheathed on it
In a pillar and therebetween there are ring clearances.
7. a kind of speed change gear, it includes:
One outer ring member, inside include an at least external gear;
One mandrel, at least an external gear is coaxially hubbed at the outer ring member with this, has a central axis and its periphery is equipped with
Plural cam engaging portion;
Plural cam part is removably socketed on the plural number cam engaging portion respectively, rotates synchronously with the mandrel, and the plural number is convex
The angular phase that there is the two a numerical value to be not zero at least within of wheel component is poor;
Plural internal gear is rigid, is sheathed on the plural number cam part respectively and does not rotate with the plural number cam part, point
At least an outer gear portion does not engage with this;
The teeth portion of the external gear and the internal gear one of at least within is more circle-arc teeth, and more circle-arc teeth are by a plurality of companies
Continuous to be connected and there is the circular arc of different radius of curvature to be constituted, each teeth portion which is meshed with the internal gear is all sliding
Tangential contact.
8. a kind of speed change gear, it includes:
One outer ring member, inside include an at least external gear;
One mandrel, at least an external gear is coaxially hubbed at the outer ring member with this, has a central axis and its periphery is equipped with
Plural cam engaging portion;
Plural cam part is removably socketed on the plural number cam engaging portion respectively, rotates synchronously with the mandrel, and the plural number is convex
The angular phase that there is the two a numerical value to be not zero at least within of wheel component is poor;
Plural internal gear is rigid, is sheathed on the plural number cam part respectively and does not rotate with the plural number cam part, point
At least an outer gear portion does not engage with this;
Each external gear is equipped with plural perforation, and respectively the outer peripheral surface of the external gear, which separately radially cuts open, is equipped with the narrow through slot of plural number, institute
It states each perforation to be connected to the wherein one narrow through slot, is formed with a gap between the plural number internal gear and the outer ring member,
Greasing substance is additionally provided between the outer ring member and the plural cam part.
9. speed change gear as claimed in claim 6, which is characterized in that each cam engaging portion includes four axial tangent planes,
Two-by-two diametrically, each cam part has one to run through and shape corresponds to the cam engaging portion for the four axial tangent plane
The sets of holes of shape;Respectively the cam part includes one being socketed on the wherein cam member of the cam engaging portion and a set of group in the cam
The interior Bearing of part, each inner gear housing group is in the wherein one interior Bearing;The respectively shape of the cam member and corresponding interior Bearing
It is all positive round and mutually closely connected socket;The teeth portion of the external gear and the internal gear one of at least within is more circle-arc teeth, this is more
Circle-arc tooth is made of a plurality of continuous connected and with different radius of curvature circular arcs, which is meshed with the internal gear
Each teeth portion be all sliding tangential contact;Respectively the cam member has a perforative sets of holes, and respectively the hole wall of the sets of holes is closely connected is socketed on
Corresponding cam engaging portion, respectively the hole wall of the sets of holes is equipped with four axial abutment planes, which abuts four axis
To tangent plane;It is socketed on the mandrel to the angular distances such as the plural number cam member;The outer ring member separately include two shells, two pedestals and
Two pedestal Bearings, respectively the external gear is equipped with plural perforation, and plural pin member is arranged in the part perforation and is inserted in described two
Shell, plural fastener is arranged in two shell and the part perforation, an at least external gear are located between two shell, institute
It states two pedestal Bearings to be sheathed on two pedestal respectively and be located at the two sides of the plural number internal gear, which abuts respectively
Between two shell and an at least external gear, which is fed through an at least external gear, two pedestal and two pedestal
Bearing, the plural number pillar are removably affixed with two pedestal;Between the mandrel and the respectively pedestal, the respectively pedestal and each shell
A seal ring is separately respectively equipped between body and between two shell;Respectively the outer peripheral surface of the external gear, which radially cuts open, is equipped with plural number
Narrow through slot, respectively the perforation is connected to the wherein one narrow through slot;A gap is formed between the plural number internal gear and the respectively pedestal;
Greasing substance is additionally provided between the outer ring member and the plural number cam part.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610234424.3A CN107299983B (en) | 2016-04-15 | 2016-04-15 | Speed change gear |
PCT/CN2017/080343 WO2017177933A1 (en) | 2016-04-15 | 2017-04-13 | Speed changing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610234424.3A CN107299983B (en) | 2016-04-15 | 2016-04-15 | Speed change gear |
Publications (2)
Publication Number | Publication Date |
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CN107299983A CN107299983A (en) | 2017-10-27 |
CN107299983B true CN107299983B (en) | 2019-05-14 |
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Application Number | Title | Priority Date | Filing Date |
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CN201610234424.3A Expired - Fee Related CN107299983B (en) | 2016-04-15 | 2016-04-15 | Speed change gear |
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CN (1) | CN107299983B (en) |
WO (1) | WO2017177933A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US20190111529A1 (en) * | 2017-10-17 | 2019-04-18 | Robert A. Newville | Planetary Repair Tool |
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KR20100114331A (en) * | 2009-04-15 | 2010-10-25 | (주)정원엔지니어링 | Combined fixed and output gears and reducer |
CN102691771A (en) * | 2011-03-23 | 2012-09-26 | 精工爱普生株式会社 | Speed reducer, robot hand and robot |
CN203360712U (en) * | 2013-07-05 | 2013-12-25 | 郑友富 | Location device of camshaft component in cam shedding device |
CN203614711U (en) * | 2013-12-16 | 2014-05-28 | 重庆齿轮箱有限责任公司 | Rotary supporting device and RV reducer |
CN205534150U (en) * | 2016-04-15 | 2016-08-31 | 泰锋精密科技股份有限公司 | Gear change mechanism |
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WO2017177933A1 (en) | 2017-10-19 |
CN107299983A (en) | 2017-10-27 |
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