CN107035819A - A kind of face gear pair - Google Patents
A kind of face gear pair Download PDFInfo
- Publication number
- CN107035819A CN107035819A CN201510512729.1A CN201510512729A CN107035819A CN 107035819 A CN107035819 A CN 107035819A CN 201510512729 A CN201510512729 A CN 201510512729A CN 107035819 A CN107035819 A CN 107035819A
- Authority
- CN
- China
- Prior art keywords
- steamboat
- teeth
- face gear
- gear pair
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/18—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes the members having helical, herringbone, or like teeth
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
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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
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention provides a kind of face gear pair, including face gear and the steamboat that cooperation is engaged with the face gear;It is characterized in that:The cog shape camber section of the steamboat is cut parallel to the steamboat axial plane;The arc section thickness is gradually reduced from centre to both sides;The intersection of the arc section and the teeth flank of tooth is curve.Pass through the correction of the flank shape that pair steamboat engaged with face gear carries out axial direction so that small gear teeth length direction thick middle, both sides are thin, improve steamboat it is axially mounted during tolerance, reduce because alignment error produces the possibility on edge basis.
Description
Technical field
The present invention relates to gear transmission technology field, more particularly to a kind of face gear pair.
Background technology
Face gear drive is roller gear and conical gear engages a kind of type of belt drive to be formed, tool
Have that compact conformation, gearratio are big, registration is high, installation is simple and little gear is easily fabricated and more
The advantage changed, it has great advantage in terms of distributing and converging.Due to above advantage,
Transmission application of the face gear between concurrent aces is more and more.Due to total conjugated face gear pair pair
Processing, alignment error are very sensitive, and preferable face gear drive should be Local conjugation gear pair.
In the prior art, by steamboat and the now point contact surface gear drive of face number of gear teeth difference, but by
Bored in contact path orthogonal in face Gear Root, the problem of easily producing EDGE CONTACT makes face gear
Contact position be located at root position.Even if opposite gear-profile direction carries out correction of the flank shape so that face
Gear pair obtains ekaconjugation characteristic and has obtained inclination contact path, but pacifies for the axial direction of little gear
Fill error equally sensitive.
The content of the invention
Coordinate to solve roller gear and conical gear engagement in existing face gear drive to small
Wheel shaft is to the insoluble problem of alignment error sensitive issue, and the invention provides a kind of new
Face gear pair.
The invention provides a kind of face gear pair, including face gear and being engaged with the face gear is matched somebody with somebody
The steamboat of conjunction;It is characterized in that:The tooth of the steamboat is cut parallel to the steamboat axial plane
Dentification arc section;The arc section thickness is gradually reduced from centre to both sides;The arc
The intersection of tee section and the teeth flank of tooth is curve.
The correction of the flank shape of axial direction is carried out by pair steamboat engaged with face gear so that the small gear teeth are long
Direction thick middle, both sides are thin, improve steamboat it is axially mounted during tolerance, reduce by
The possibility on edge basis is produced in alignment error.
Optionally, the arc section and the intersection of the teeth are the first parabola.
Because parabola has good transient characteristic, by steamboat teeth directional direction according to the first parabolic
Line carries out correction of the flank shape, can improve gear-driven mesh vibration and noise.
Optionally, the described first parabolical summit is located at the little gear teeth axial direction
Midpoint.
Optionally, the arc section and the intersection of the teeth are circular curve.
Optionally, the number of teeth of the steamboat is identical with the production shape tooth number for forming the face gear;
Teeth formation flank profil section described in plane cutting perpendicular to the small wheel axis;The flank profil is cut
The intersection of face and the teeth flank of tooth is the second parabola.
By small tooth profile direction carry out practice Buddhism or Taoism processing without to bull wheel carry out correction of the flank shape so that steamboat and
Bull wheel obtains ekaconjugation characteristic when engaging, obtained with reference to axial direction correction of the flank shape in flank profil direction and
The inclined contact path of tooth length direction, further increases the gear-driven stability in face, drop
Vibration and noise during underneath drive.
Optionally, the described second parabolical summit is located at the intermediate region of the teeth.
Optionally, the face gear pair is spur gear pair, helical gear pair or curved tooth wheel set.
Brief description of the drawings
Fig. 1 is face of embodiment of the present invention gear pair fit structure schematic diagram;
Fig. 2 is small gear teeth dental structure schematic diagram in the gear pair of face of the embodiment of the present invention.
Embodiment
To make those skilled in the art be better understood from technical scheme, with reference to attached
The present invention is described in further detail with specific embodiment for figure.
Fig. 1 is face of embodiment of the present invention gear pair fit structure schematic diagram, as can be seen from Figure 1
Face gear pair in the present embodiment includes face gear 1 and the steamboat 2 coordinated is engaged with face gear 1.
Wherein face gear 1 is cut by production shape wheel 3 and is formed and handled without profile modification, and steamboat 2
Handled by correction of the flank shape.Fig. 2 is the structural portion of 2 teeth of steamboat 11 in the gear pair of face of the embodiment of the present invention
Schematic diagram, wherein intermittent line are represented in the present embodiment as the steamboat shape before correction of the flank shape, solid line generation
Steamboat 2 shape coordinated after table correction of the flank shape with face gear 1.
The little gear not correction of the flank shape in the gear pair of face in the prior art, therefore when itself and face gear
1 coordinates the position installed and must assure that axial direction, makes the axle of the axis of steamboat 2 and face gear 1
Line intersects.And smaller closer to the gap of the axial location steamboat 2 of face gear 1 and face gear 1,
It is as inaccurate in coordinated, cause pinion head and gear wheel tooth root generation edge in running to connect
The problem of touching, causes the tooth root of the little gear of face gear 1 to produce face contact patch, influences gear drive
Accuracy and cause the strength of gear teeth to increase.In order to overcome this problem, core point of the invention
It is that on the axial direction of steamboat 2 teeth 11 of steamboat 2 are carried out with correction of the flank shape processing to obtain axial direction
Correction of the flank shape teeth face.
It is virtual outer in order to describe to introduce in the shape of the steamboat 2 in the present embodiment, the present embodiment
Portion's cut surface.With one arc of formation of teeth 11 of the plane cutting steamboat 2 parallel to small wheel axis
Section, from intermediate region to both sides transition, the thickness on this arc section is tapered into, and
The intersection of arc section and the flank of tooth of teeth 11 is curve;Namely on the axial direction of teeth 11
Form the relatively thin cydariform in middle thicker, edge.Due to steamboat 2 is carried out into above correction of the flank shape,
The tooth top of steamboat 2 and bull wheel tooth root in Meshing Process of Spur Gear at the position of the axis of face gear 1
EDGE CONTACT problem can be alleviated to a certain extent so that face path is along tooth length direction
It is elongated, it is suppressed that mesh vibration, reduce meshing noise.In the present embodiment, the axle of steamboat 2
Obtained, be ground along the tooth length direction of steamboat 2 walking curve using abrasive grinding wheel to direction correction of the flank shape is actual
The walking curve of emery wheel is parabola, and the intersection of obtained arc section and the flank of tooth of teeth 11 is also
It is parabola shaped for first.It is parabola shaped that there is good transition characteristic, it is ensured that gear transmittance process
The smooth transition of middle engagement, suppresses the generation of vibration.In the present embodiment, first parabolical repaiies
Shape coefficient be 0.003-0.005 between, can be used in other embodiments according to actual gear certainly
Condition determines to select other specific correction of the flank shape coefficients.Certainly, in other embodiments, it is ground sand
Wheel can also use other kinds of walking curve, obtain corresponding arc section and the flank of tooth of teeth 11
Intersection, such as be circular arc intersection.
In the embodiment above, in order to preferably ensure the installation of gear, the first parabolical top
Point is positioned at the midpoint of the axial direction of 2 teeth of steamboat 11.
In order to improve opposite tooth in the ekaconjugation characteristic of face gear 1 in the present embodiment, the present embodiment
Take turns the correction of the flank shape that 1 axial direction also carried out during correction of the flank shape flank profil direction.The present embodiment
In the little gear number of teeth it is identical with the gear shaping number of teeth for forming face gear 1, rather than such as existing skill
The form that there is 2-3 number of teeth difference between bull wheel production shape wheel 3 and steamboat 2 is caused to realize face in art
Gear 1 is contacted, and obtains Local conjugation face gear pair.The flank profil section of steamboat 2 is in standard flank profil
On the basis of be modified and obtain.Equally, virtual outside cut surface is introduced to carry out steamboat 2
Cutting, to realize the description to the structure of steamboat 2.With perpendicular to the plane of the axial direction of steamboat 2
The intersection of the teeth 11 of small cutting wheels 2, obtained section and the flank of tooth of steamboat 2 is the second parabola.
As it was previously stated, parabola shaped have good transition characteristic, it may be such that steady during gear engagement contact
Transition, prevent vibration produce.Contact point is located at small during to ensure steamboat 2 and the engagement of face gear 1
The centre position of wheel 2 and the teeth 11 of face gear 1, the second parabolical summit is arranged on teeth
The intermediate region of 11 short transverses, preferably can be the pitch circle position of steamboat 2.Second is parabolical
Correction of the flank shape coefficient can be selected between 0.01-0.02 according to practical situations.In actual processing,
The flank profil of steamboat 2 is directly obtained by pinion cutter gear shaping or hobcutter gear hobbing, in order to obtain the second throwing
The shape of the flank profil of steamboat 2 of thing wire shaped, pinion cutter or hobcutter should have throws according to second
Thing wire shaped does corresponding processing.It should be noted that in actual production, the pinion cutter of use or gear hobbing
The surface of knife is the second parabolic shape of standard, and second obtained after Gear Shaping throws
Because of processing technology certain change can occur for the shape of thing line, but still be accorded with situations such as its slope of curve
The second parabolical general condition is closed, i.e., the curve of described flank profil has not been in the present embodiment
Meet the second parabola entirely, but there are some changes.
Description more than, can obtain the shape of teeth 11 of steamboat 2 in the present embodiment such as
Shown in Fig. 2, due to carrying out correction of the flank shape processing for straight-sided flank gear pair in the present embodiment, obtain
Steamboat 2 is generally also straight spur gear, the second parabola and full-height tooth on flank profil direction
The straight-tooth flank profil of wheel 4 is tangential on a bit of gear centre position.As a result of correction of the flank shape as above
Method, improves fault tolerance of the face gear auxiliary driving to alignment error;Face gear 1 and steamboat 2
During engaged transmission, theoretical meshing point has certain angle in tooth length direction and the high direction of tooth, subtracts
The possibility of few EDGE CONTACT, and the parabola driving error that Open Side Down is obtained, improve face
The meshing performance that gear 1 is driven.
Carried out it should be noted that the present embodiment accompanying drawing use only straight spur gear as steamboat 2
Correction of the flank shape is handled, because helical gear or gear with curved teeth can be obtained by straight spur gear simple transformation,
It is appreciated that the correction of the flank shape of steamboat 2 of the above can also be applied on helical gear or gear with curved teeth.
Face gear pair in the above embodiment of the present invention is described in detail.Tool is applied herein
Body example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only
It is the core concept for being used to help understand the present invention, without departing from the principles of the present invention,
Can also some improvement and modification be carried out to the present invention, these are improved and modification also falls into the present invention's
In protection domain.
Claims (7)
1. a kind of face gear pair, including face gear (1) and being engaged with the face gear (1) is matched somebody with somebody
The steamboat (2) of conjunction;It is characterized in that:It is described parallel to the cutting of the steamboat (2) axial plane
Teeth (11) the formation arc section of steamboat;The arc section thickness from centre to both sides by
It is decrescence small;The intersection of the arc section and the teeth (11) flank of tooth is curve.
2. face gear pair according to claim 1, it is characterised in that:The arc section
Intersection with the teeth (11) is the first parabola.
3. face gear pair according to claim 2, it is characterised in that:First parabolic
The summit of line is located at the midpoint of little gear teeth (11) axial direction.
4. face gear pair according to claim 1, it is characterised in that:The arc section
Intersection with the teeth (11) is circular curve.
5. the face gear pair according to claim any one of 1-4, it is characterised in that:It is described
The number of teeth of steamboat (2) is identical with production shape wheel (3) number of teeth for forming the face gear (1);Hang down
Directly teeth (11) form flank profil section described in the plane cutting in the steamboat (2) axis;Institute
The intersection for stating flank profil section and the teeth (11) flank of tooth is the second parabola.
6. face gear pair according to claim 5, it is characterised in that:Second parabolic
The summit of line is located at the intermediate region of the teeth (11).
7. the face gear pair according to claim any one of 1-4, it is characterised in that:It is described
Face gear pair is spur gear pair, helical gear pair or curved tooth wheel set.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510512729.1A CN107035819A (en) | 2015-08-20 | 2015-08-20 | A kind of face gear pair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510512729.1A CN107035819A (en) | 2015-08-20 | 2015-08-20 | A kind of face gear pair |
Publications (1)
Publication Number | Publication Date |
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CN107035819A true CN107035819A (en) | 2017-08-11 |
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ID=59532882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510512729.1A Pending CN107035819A (en) | 2015-08-20 | 2015-08-20 | A kind of face gear pair |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112059082A (en) * | 2020-09-11 | 2020-12-11 | 汉德车桥(株洲)齿轮有限公司 | Involute spline key tooth modification design method and machining method and gear product thereof |
Citations (5)
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CN101107464A (en) * | 2005-02-02 | 2008-01-16 | 赛森克鲁普精锻有限责任公司 | Method for establishing the gearing geometries of a gear pairing of two gears with intersecting axes |
CN101111697A (en) * | 2004-12-23 | 2008-01-23 | 赛森克鲁普精锻有限责任公司 | Gear pair consisting of a crown gear and of a pinion gear |
JP2008095774A (en) * | 2006-10-10 | 2008-04-24 | Gkn ドライブライン トルクテクノロジー株式会社 | Face gear transmission mechanism and differential device using the same |
CN101225878A (en) * | 2007-01-19 | 2008-07-23 | 西北工业大学 | Arc tooth surface gear pair and method of processing the same |
CN205036785U (en) * | 2015-08-20 | 2016-02-17 | 重庆齿轮箱有限责任公司 | Face gear pair |
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2015
- 2015-08-20 CN CN201510512729.1A patent/CN107035819A/en active Pending
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CN101111697A (en) * | 2004-12-23 | 2008-01-23 | 赛森克鲁普精锻有限责任公司 | Gear pair consisting of a crown gear and of a pinion gear |
CN101107464A (en) * | 2005-02-02 | 2008-01-16 | 赛森克鲁普精锻有限责任公司 | Method for establishing the gearing geometries of a gear pairing of two gears with intersecting axes |
JP2008095774A (en) * | 2006-10-10 | 2008-04-24 | Gkn ドライブライン トルクテクノロジー株式会社 | Face gear transmission mechanism and differential device using the same |
CN101225878A (en) * | 2007-01-19 | 2008-07-23 | 西北工业大学 | Arc tooth surface gear pair and method of processing the same |
CN205036785U (en) * | 2015-08-20 | 2016-02-17 | 重庆齿轮箱有限责任公司 | Face gear pair |
Non-Patent Citations (4)
Title |
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李大庆 等: "基于小轮磨齿修形的面齿轮接触性能分析", 《中国机械工程》 * |
李智超 等: "双鼓修形直齿圆柱齿轮加载接触分析", 《机械传动》 * |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112059082A (en) * | 2020-09-11 | 2020-12-11 | 汉德车桥(株洲)齿轮有限公司 | Involute spline key tooth modification design method and machining method and gear product thereof |
CN112059082B (en) * | 2020-09-11 | 2022-08-09 | 汉德车桥(株洲)齿轮有限公司 | Involute spline key tooth modification design method and machining method and gear product thereof |
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Application publication date: 20170811 |
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