CN109027181A - Design method for flat cylinder structure of harmonic reducer - Google Patents
Design method for flat cylinder structure of harmonic reducer Download PDFInfo
- Publication number
- CN109027181A CN109027181A CN201811130610.8A CN201811130610A CN109027181A CN 109027181 A CN109027181 A CN 109027181A CN 201811130610 A CN201811130610 A CN 201811130610A CN 109027181 A CN109027181 A CN 109027181A
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- cylinder
- cylinder bottom
- meet
- design method
- radius
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000007704 transition Effects 0.000 claims description 14
- 230000004323 axial length Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000000428 dust Substances 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention relates to a design method of a flat cylinder structure of a harmonic reducer, which comprises a heater main body, a rotating shaft and a heating pipe, wherein a connecting block is arranged on the left side of the heater main body, a first connecting rod is arranged on the left side of the connecting block, a containing turntable is arranged on the left side of the first connecting rod, a covering pad is arranged on the containing turntable, the rotating shaft is arranged on the right wall of the heater main body, a second connecting rod is arranged on the right side of the rotating shaft, a wire clamping block is fixed on the right side of the second connecting rod, a first hook is fixed on the inner wall of the heater main body, a transverse rod is arranged below the first hook, a dust collecting plate is arranged below the transverse rod, and a sliding block is fixed on the outer side of. The invention has the beneficial effects that: the design method of the flat cylinder structure of the harmonic reducer is provided with the covering pad, and the covering pad can well cover the legs of a user during heating, so that heat dissipation is avoided.
Description
Technical field
The present invention relates to harmonic speed reducer technical field, specially a kind of flat tube structure design side of harmonic speed reducer
Method.
Background technique
Harmonic gear reducer is a kind of deceleration device, is made of three basic building blocks: fixed internal circular spline, flexbile gear
(i.e. its matrix be connected with driven shaft elastic thin-wall a set of cups " making gear ring on the bus at flexbile gear beginning ") and make flexbile gear
The wave producer of radial deformation.
The structure of harmonic speed reducer shell portion is mainly showed there are unreasonable design feature in the prior art
Are as follows: flexbile gear cylinder rim of a cup radial thickness is excessive, causes rigidity big, is easy to form stress concentration, the gear teeth of cylinder in gear ring part
Axial length dimension (including gear teeth rear end radius) design is unreasonable, causes working normally generation in flexbile gear cylinder
When radial deformation, the flexbile gear gear teeth and the firm gear gear teeth are also easy to produce interference, and cylinder is identical with the interior and exterior fillet design of cylinder bottom transition
Fillet keeps structural stress conduction bad, forms stress and concentrates, and retarder is caused to be easy to produce structural fatigue destruction, and cylinder bottom wall is thick
For uniform design, it is unfavorable for stress release and structure lightened.
Summary of the invention
The purpose of the present invention is to provide a kind of flat tube structure design methods of harmonic speed reducer, to solve above-mentioned background
Itd is proposed in technology in the prior art for the structure of harmonic speed reducer shell portion there are unreasonable design feature, it is main
It shows themselves in that flexbile gear cylinder rim of a cup radial thickness is excessive, causes rigidity big, be easy to form stress concentration in gear ring part, cylinder
Gear teeth axial length dimension (including gear teeth rear end radius) design is unreasonable, causes working normally in flexbile gear cylinder
When radial deformation occurs, the flexbile gear gear teeth and the firm gear gear teeth are also easy to produce interference, and cylinder and the interior and exterior fillet design of cylinder bottom transition are
Identical fillet keeps structural stress conduction bad, forms stress and concentrates, and retarder is caused to be easy to produce structural fatigue destruction, cylinder bottom
Wall thickness is uniform design, is unfavorable for stress release and structure lightened.
To achieve the above object, the invention provides the following technical scheme: a kind of flat tube structure design of harmonic speed reducer
Method, including cylinder, outer cylindrical casing, central hole, side perforation and inner groovy, it is characterised in that: the barrel front end is mounted with
Outer cylindrical casing, and central hole is provided through in the middle part of outer cylindrical casing, the outside of the central hole is perforated through side is mounted with,
The inside groove of the cylinder is provided with inner groovy.
Preferably, the cylinder includes outer cylindrical casing, central hole, side is perforated and inner groovy, and the depth of central hole
It is identical as the thickness of outer cylindrical casing, and central hole is distributed in a ring about the center of central hole.
Preferably, described to include:
Default: body end surface rim of a cup has carried out bevelling structure to inner diameter of flexspline, angle a, the axial a length of La in inclined-plane；
Default 2: the gear teeth axial length dimension L1 (including gear teeth rear end radius) of cylinder, L1 and flexbile gear are axial
The ratio of overall length L meets optimal proportion range；
Default 3: design radial r2, outside design radial r3 on the inside of cylinder and cylinder bottom interior and exterior knuckle；
Default 4: retarder cylinder bottom wall thickness is smoothly transitted using three sections of different circular arcs of radius, forms non-uniform wall thickness s2,
s3,s4；
Default 5:L1 is that the gear teeth are axially long；S is gear teeth bottom wall thickness；S1 is cylinder wall thickness；S2 is cylinder bottom arc transition knot
Structure wall thickness 1；S3 is cylinder bottom arc transition structural thickness 2；S4 is cylinder bottom arc transition structural thickness 3；R1 is the transition of gear teeth rear end
Radius of corner；R2 is cylinder bottom knuckle inner radius；R3 is cylinder bottom knuckle outer radius；R4 is the thick outside mistake of cylinder bottom wall
Cross radius of corner 1；R5 is the thick outside radius 2 of cylinder bottom wall；R6 is the thick outside radius 3 of cylinder bottom wall；D1 is
Cylinder bottom flange outer diameter；D2 is cylinder bottom flange internal diameter；Di is inner diameter of flexspline；La is that flexbile gear cylinder rim of a cup internal diameter oblique angle is axially long；M is
Retarder flexbile gear wheel tooth module；Dr is retarder pitch diameter；.
Preferably, it is described particularly, s must meet: s=(0.01~0.015) dm, particularly, L1 must meet: L1≤
0.235*L。
Preferably, it is described particularly, s2 must meet: s2=(1.1~1.2) s1, particularly, s1 must meet: s1=(0.5
~0.7) s.
Preferably, described to be directed to s2, s3, s4 particularly, must meet: 0.012dm≤s4≤0.025dm, s2/s4≤
0.333,0.4≤s3/s4≤0.7.
Preferably, it is described particularly, r3 must meet: r3=(1.2~1.3) r2, particularly, r2 must meet: r2=(2.5
~3.5) s, particularly, r1 must meet: r1=(5~10) m.
Preferably, it is described particularly, a must meet: a=3~5 °, particularly, La must meet: La=0.6~1.5.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention by cylinder, outer cylindrical casing, central hole, side perforation and inner groovy setting, pass through central hole
The permeability and linking performance for improving cylinder can be facilitated with side perforation, installed and used consequently facilitating cylinder carries out linking, and
It can carry out group by inner groovy convenient for cylinder and connect other structures.
2, the present invention is not easy by the proportions method of each portion structure of cylinder so that structure stress distribution is uniform
It forms stress to concentrate, improves retarder fatigue life；The firm gear gear teeth that flexbile gear gear tooth portions are not easy to match with it interfere,
Improve retarder transmission irregularity；Harmonic speed reducer main screw lift mitigates, and improves retarder transmission efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the flat tube structure design method of harmonic speed reducer of the present invention；
Fig. 2 is a kind of outer cylindrical casing positive structure diagram of the flat tube structure design method of harmonic speed reducer of the present invention；
Fig. 3 is a kind of inner groovy positive structure diagram of the flat tube structure design method of harmonic speed reducer of the present invention；
Fig. 4 is a kind of cylinder side structure schematic view of the flat tube structure design method of harmonic speed reducer of the present invention；
Fig. 5 is a kind of drum shaft side structure schematic diagram of the flat tube structure design method of harmonic speed reducer of the present invention；
Fig. 6 is a kind of central hole of the flat tube structure design method of harmonic speed reducer of the present invention and side perforation axis side
Structural schematic diagram.
In figure: 1, cylinder；2, outer cylindrical casing；3, central hole；4, side is perforated；5 inner groovies.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of flat tube structure design side of harmonic speed reducer
Method, including cylinder 1, outer cylindrical casing 2, central hole 3, side perforation 4 and inner groovy 5,1 front end of cylinder are mounted with outer cylindrical casing 2, and outer
The middle part of barrel shell 2 is provided through central hole 3, and the outside of central hole 3, which is run through, is mounted with side perforation 4, the inside groove of cylinder 1
It is provided with inner groovy 5.
In the present invention program: cylinder 1 includes outer cylindrical casing 2, central hole 3, side perforation 4 and inner groovy 5, and central hole
3 depth is identical as the thickness of outer cylindrical casing 2, and central hole 3 is distributed in a ring about the center of central hole 3.
In the present invention program: including:
Default 1: body end surface rim of a cup has carried out bevelling structure to inner diameter of flexspline, angle a, the axial a length of La in inclined-plane；
Default 2: the gear teeth axial length dimension L1 of cylinder includes gear teeth rear end radius, and L1 is axially total with flexbile gear
The ratio of long L meets optimal proportion range；
Default 3: design radial r2, outside design radial r3 on the inside of cylinder and cylinder bottom interior and exterior knuckle；
Default 4: retarder cylinder bottom wall thickness is smoothly transitted using three sections of different circular arcs of radius, forms non-uniform wall thickness s2,
s3,s4；
Default 5:L1 is that the gear teeth are axially long；S is gear teeth bottom wall thickness；S1 is cylinder wall thickness；S2 is cylinder bottom arc transition knot
Structure wall thickness 1；S3 is cylinder bottom arc transition structural thickness 2；S4 is cylinder bottom arc transition structural thickness 3；R1 is the transition of gear teeth rear end
Radius of corner；R2 is cylinder bottom knuckle inner radius；R3 is cylinder bottom knuckle outer radius；R4 is the thick outside mistake of cylinder bottom wall
Cross radius of corner 1；R5 is the thick outside radius 2 of cylinder bottom wall；R6 is the thick outside radius 3 of cylinder bottom wall；D1 is
Cylinder bottom flange outer diameter；D2 is cylinder bottom flange internal diameter；Di is inner diameter of flexspline；La is that flexbile gear cylinder rim of a cup internal diameter oblique angle is axially long；M is
Retarder flexbile gear wheel tooth module；Dr is retarder pitch diameter；.
In the present invention program: particularly, s must meet: s=(0.01~0.015) dm, particularly, L1 must meet: L1≤
0.235*L。
In the present invention program: particularly, s2 must meet: s2=(1.1~1.2) s1, particularly, s1 must meet: s1=
(0.5~0.7) s.
In the present invention program: it is directed to s2, s3, s4 particularly, must meet: 0.012dm≤s4≤0.025dm, s2/s4 <
=0.333,0.4≤s3/s4≤0.7.
In the present invention program: particularly, r3 must meet: r3=(1.2~1.3) r2, particularly, r2 must meet: r2=
(2.5~3.5) s, particularly, r1 must meet: r1=(5~10) m.
In the present invention program: particularly, a must meet: a=3~5 °, particularly, La must meet: La=0.6~1.5.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and equivalents circle
It is fixed.
Claims (8)
1. a kind of flat tube structure design method of harmonic speed reducer, including cylinder (1), outer cylindrical casing (2), central hole (3), side
Side perforation (4) and inner groovy (5), it is characterised in that: cylinder (1) front end is mounted with outer cylindrical casing (2), and outer cylindrical casing (2)
Middle part is provided through central hole (3), and the outside of the central hole (3) is perforated (4) through side is mounted with, the cylinder
(1) inside groove is provided with inner groovy (5).
2. the flat tube structure design method of a kind of harmonic speed reducer according to claim 1, it is characterised in that: the cylinder
Body (1) include outer cylindrical casing (2), central hole (3), side perforation (4) and inner groovy (5), and the depth of central hole (3) with outside
The thickness of barrel shell (2) is identical, and central hole (3) is distributed in a ring about the center of central hole (3).
3. the flat tube structure design method of a kind of harmonic speed reducer according to claim 1, it is characterised in that: include:
Default 1: body end surface rim of a cup has carried out bevelling structure to inner diameter of flexspline, angle a, the axial a length of La in inclined-plane；
Default 2: the gear teeth axial length dimension L1 (including gear teeth rear end radius) of cylinder, L1 and flexbile gear axial direction overall length
The ratio of L meets optimal proportion range；
Default 3: design radial r2, outside design radial r3 on the inside of cylinder and cylinder bottom interior and exterior knuckle；
Default 4: retarder cylinder bottom wall thickness is smoothly transitted using three sections of different circular arcs of radius, forms non-uniform wall thickness s2, s3,
s4；
Default 5:L1 is that the gear teeth are axially long；S is gear teeth bottom wall thickness；S1 is cylinder wall thickness；S2 is cylinder bottom arc transition structural walls
Thickness 1；S3 is cylinder bottom arc transition structural thickness 2；S4 is cylinder bottom arc transition structural thickness 3；R1 is gear teeth rear end knuckle
Radius；R2 is cylinder bottom knuckle inner radius；R3 is cylinder bottom knuckle outer radius；R4 is the thick outside transition circle of cylinder bottom wall
Angular radius 1；R5 is the thick outside radius 2 of cylinder bottom wall；R6 is the thick outside radius 3 of cylinder bottom wall；D1 is cylinder bottom
Flange outside diameter；D2 is cylinder bottom flange internal diameter；Di is inner diameter of flexspline；La is that flexbile gear cylinder rim of a cup internal diameter oblique angle is axially long；M is to slow down
Device flexbile gear wheel tooth module；Dr is retarder pitch diameter；.
4. the flat tube structure design method of a kind of harmonic speed reducer according to claim 3, it is characterised in that: the spy
Not, s must meet: s=(0.01~0.015) dm, particularly, L1 must meet: L1≤0.235*L.
5. the flat tube structure design method of a kind of harmonic speed reducer according to claim 3, it is characterised in that: the spy
Not, s2 must meet: s2=(1.1~1.2) s1, particularly, s1 must meet: s1=(0.5~0.7) s.
6. the flat tube structure design method of a kind of harmonic speed reducer according to claim 3, it is characterised in that: the needle
S2, s3, s4 particularly, must be met: 0.012dm≤s4≤0.025dm, s2/s4≤0.333,0.4≤s3/s4≤
0.7。
7. the flat tube structure design method of a kind of harmonic speed reducer according to claim 3, it is characterised in that: the spy
Not, r3 must meet: r3=(1.2~1.3) r2, particularly, r2 must meet: r2=(2.5~3.5) s, particularly, r1 must expire
Foot: r1=(5~10) m.
8. the flat tube structure design method of a kind of harmonic speed reducer according to claim 3, it is characterised in that: the spy
Not, a must meet: a=3~5 °, particularly, La must meet: La=0.6~1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130610.8A CN109027181A (en) | 2018-09-27 | 2018-09-27 | Design method for flat cylinder structure of harmonic reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130610.8A CN109027181A (en) | 2018-09-27 | 2018-09-27 | Design method for flat cylinder structure of harmonic reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109027181A true CN109027181A (en) | 2018-12-18 |
Family
ID=64620650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811130610.8A Pending CN109027181A (en) | 2018-09-27 | 2018-09-27 | Design method for flat cylinder structure of harmonic reducer |
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| Country | Link |
|---|---|
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1628045A2 (en) * | 2004-08-18 | 2006-02-22 | Harmonic Drive Systems Inc. | Wave gear device |
| CN201627879U (en) * | 2010-01-08 | 2010-11-10 | 北京中技克美谐波传动有限责任公司 | Ultra-short barrel harmonic drive reducer |
| CN103649586A (en) * | 2012-05-23 | 2014-03-19 | 谐波传动系统有限公司 | Strain wave gear device and flexible external gear |
| CN205689717U (en) * | 2016-06-16 | 2016-11-16 | 南通慧幸智能科技有限公司 | Strengthen flexbile gear and just take turns the harmonic gear engaged and harmonic speed reducer |
| CN107956851A (en) * | 2017-11-23 | 2018-04-24 | 万鑫精工（湖南）有限公司 | A kind of flexbile gear design and production method of harmonic speed reducer |
-
2018
- 2018-09-27 CN CN201811130610.8A patent/CN109027181A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1628045A2 (en) * | 2004-08-18 | 2006-02-22 | Harmonic Drive Systems Inc. | Wave gear device |
| CN201627879U (en) * | 2010-01-08 | 2010-11-10 | 北京中技克美谐波传动有限责任公司 | Ultra-short barrel harmonic drive reducer |
| CN103649586A (en) * | 2012-05-23 | 2014-03-19 | 谐波传动系统有限公司 | Strain wave gear device and flexible external gear |
| CN205689717U (en) * | 2016-06-16 | 2016-11-16 | 南通慧幸智能科技有限公司 | Strengthen flexbile gear and just take turns the harmonic gear engaged and harmonic speed reducer |
| CN107956851A (en) * | 2017-11-23 | 2018-04-24 | 万鑫精工（湖南）有限公司 | A kind of flexbile gear design and production method of harmonic speed reducer |
Non-Patent Citations (1)
| Title |
|---|
| 余梦生，吴宗泽主编: "《机械零部件手册 选型·设计·指南》", 30 November 1996 * |
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| PB01 | Publication | ||
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Application publication date: 20181218 |