CN102506082B - Method and device for positioning gears on shaft - Google Patents
Method and device for positioning gears on shaft Download PDFInfo
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- CN102506082B CN102506082B CN201110293521.7A CN201110293521A CN102506082B CN 102506082 B CN102506082 B CN 102506082B CN 201110293521 A CN201110293521 A CN 201110293521A CN 102506082 B CN102506082 B CN 102506082B
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Abstract
The invention provides a method and a device for positioning gears on a shaft, which mainly solve the problem of incapability of rapidly accurately assembling the traditional speed changer into a transmission shell due to increased gears on a main shaft and lengthened assembly caused by increased gear shifts . The method for positioning the gears on the shaft comprises the following steps: 1) shortening a distance between each two gears; 2) installing the gears into the transmission shell; and 3) recovering each gear to a working position. The device for positioning the gears on the shaft comprises a gear shaft, a spline pad and the gears, wherein external teeth of the spline pad are adaptive to internal teeth of the gears; and internal teeth of the spline pad are adaptive to external teeth of the gears. According to the invention, the structure is simple; the difficult problem that a snap ring structure cannot be designed for gears of a transmission with a small central moment is solved; a new design scheme is provided for limiting the gears of a twin countershaft transmission simultaneously; and due to the design, a twin shaft assembly is easy to assemble, parts are reduced and cost is decreased simultaneously.
Description
Technical field
The present invention relates to a kind of axle cog localization method and positioning device, be specifically related to a kind of gearbox axis cog localization method and positioning device.
Background technique
Along with the development of automotive industry, user's required gear is many, the speed changer that input torque is little, and therefore, the demand of the two intermediate-shaft speed changing boxes of little center square becomes day by day urgent.
In the assembly process of the two intermediate-shaft speed changing boxes of little center square, do not increasing under the prerequisite of gearbox volume, just can pack gearbox into after needing to shorten two axle assembly entire length, again each gear is being returned to working position after packing gearbox into; But during due to the existing installation method of employing, the spline pad limiting gear of fixed gear moves axially, key restriction spline pad axial rotation, be difficult to effectively shorten the entire length of two axle assemblies, or in speed changer, be difficult to return to working position after shortening, there is no enough spaces for jump ring is installed simultaneously yet.
Summary of the invention
The invention provides a kind of axle cog localization method and positioning device, mainly solved existing speed changer because gear increases, main parts on shaft is increased, assembly is elongated and cannot quick and precisely fit into the problem in gear box casing.
Concrete technical solution of the present invention is as follows:
This axle localization method that cogs, comprises the following steps:
1] shorten the distance between each gear on axle: moving suitable with it gear of spline rim strip moves axially along gear shaft, stop after moving to the gear spacing that needs installation; Spline pad moves axially in process along gear shaft, is greater than the draw-in groove on gear shaft that is arranged at of spline pad width through one section of width; Described draw-in groove comprises empty set section and spacing section, and the empty set section of draw-in groove is identical with working gear position; Spline pad rotates freely in empty set section, and spline pad comprises mobile attitude and location attitude in spacing section, is movable to on the spacing section of gear shaft being connected while being adjusted to mobile attitude, is adjusted to location and cannot moves and rotate after attitude;
2] be mounted in gear box casing: the gear shaft assembly moving into place is loaded to definite position in gear box casing;
3] recover each gear to working position: spline pad moved in the empty set section of draw-in groove and after rotation, move to spacing section and be adjusted to location attitude, completing assembling.
The draw-in groove arranging on said gear axle, the ratio of its width of spacing section and spline pad width is 0.8～1: 1, the ratio of the width of empty set section and spline pad width is 1～1.5: 1;
Above-mentioned spline pad internal tooth should be removed at least one; Above-mentioned empty set section is that a circular groove is set on gear shaft, and in order to complete mobile attitude, the outside diameter of circular groove is less than spline pad internal tooth tooth top diameter of a circle; Above-mentioned positioning section is an identical empty set section is set and is provided with positioning key, by the position of removing tooth with spline pad internal tooth, has coordinated location attitude, and positioning key and spline pad internal tooth teeth groove are suitable, and positioning key is arranged on the straight line at teeth groove place of gear shaft.
The axle positioning device that cogs comprises gear shaft, spline pad and gear, and spline pad external tooth and gear internal tooth are suitable, and spline pad internal tooth and gear shaft external tooth are suitable, are provided with draw-in groove on gear shaft, and draw-in groove comprises empty set section and spacing section; In spacing section, be provided with for spline pad is carried out to spacing limit stoper.
Above-mentioned draw-in groove is circular groove, and circular groove is axial perpendicular to gear shaft, with gear shaft transverse cross-section parallel;
Above-mentioned spline pad is the spline pad of removing at least one internal tooth, and limit stoper is arranged in spacing section the positioning key suitable with spline pad internal tooth teeth groove; The outside diameter of empty set section is less than spline pad internal tooth tooth top diameter of a circle.
The ratio of the width of above-mentioned spacing section and spline pad width is 0.8～1: 1, and the ratio of the width of empty set section and spline pad width is 1～1.5: 1.
The invention has the advantages that:
The axle provided by the invention positioning device structure that cogs is simple, solve the difficult problem that Liao little center square gearbox gear cannot design clip spring structure, the new design proposal simultaneously providing for twin countershaft transmission gear position limiting, this design is more easily assembled two axle assemblies, reduce part simultaneously, reduced cost.
Accompanying drawing explanation
Fig. 1 is the axle orientation assemble pre-structure schematic diagram that cogs;
Fig. 2 is the axle structural representation after orientation assemble that cogs.
Wherein: 1-gear shaft; 2-spline pad; 3-positioning key; Spacing section of 4-; 5-empty set section; 6-draw-in groove.
Embodiment
Cog localization method and positioning device of axle provided by the invention opened a gap on gear spline pad, during installation, this gap is over against positioning key, the gear key mat that can suit moves forward together, makes gear shaft assembly be easy to pack into case of transmission, after packing into, spline pad is moved on to gear shaft annular groove place after with gear, rotary flower key mat, allows gap avoid positioning key, allows arbitrary spline aim at positioning key, be pushed forward into, assembling completes.
Below in conjunction with accompanying drawing, the present invention is described in detail:
The axle positioning device that cogs comprises gear shaft, spline pad and gear, and spline pad external tooth is meshed with gear internal tooth, and spline pad internal tooth is meshed with gear shaft external tooth;
On gear shaft, be provided with draw-in groove, the shape of draw-in groove is generally circular groove, circular groove is axial perpendicular to gear shaft, with gear shaft transverse cross-section parallel, draw-in groove is divided into empty set section and spacing section, and the ratio of the width of spacing section and spline pad width is 0.8～1: 1, generally selects 1: 1, the ratio of the width of empty set section and spline pad width is 1～1.5: 1, generally selects 1: 1; The outside diameter of empty set section is less than spline pad internal tooth tooth top diameter of a circle, spacing section identical with empty set section outside diameter, but in spacing section, be provided with for spline pad is carried out to spacing limit stoper, limit stoper is general selects to be arranged in spacing section the positioning key suitable with the arbitrary teeth groove of spline pad internal tooth; Spline pad is removed at least one internal tooth.
This axle localization method that cogs, comprises the following steps:
1] shorten the distance between each gear on axle: moving suitable with it gear of spline rim strip moves axially along gear shaft, stop after moving to the gear spacing that needs installation; Spline pad moves axially in process along gear shaft, is greater than the draw-in groove on gear shaft that is arranged at of spline pad width through one section of width; Draw-in groove comprises empty set section and spacing section, and the empty set section of draw-in groove is identical with working gear position; Spline pad rotates freely in empty set section, and spline pad comprises mobile attitude and location attitude in spacing section, is movable to on the spacing section of gear shaft being connected while being adjusted to mobile attitude, is adjusted to location and cannot moves and rotate after attitude; Spline pad internal tooth should be removed at least one; Empty set section is that a circular groove is set on gear shaft, and in order to complete mobile attitude, the outside diameter of circular groove is less than spline pad internal tooth tooth top diameter of a circle; Positioning section is the empty set section that an outside diameter is identical is set and is provided with positioning key, by the position of removing tooth with spline pad internal tooth, coordinated location attitude, positioning key and spline pad internal tooth teeth groove are suitable, and positioning key is arranged on the straight line at teeth groove place of gear shaft;
2] be mounted in gear box casing: the gear shaft assembly moving into place is loaded to definite position in gear box casing;
3] recover each gear to working position: spline pad moved in the empty set section of draw-in groove and after rotation, move to spacing section and be adjusted to location attitude, completing assembling.
Claims (2)
1. the axle localization method that cogs, is characterized in that, comprises the following steps:
1] shorten the distance between each gear on axle: moving suitable with it gear of spline rim strip moves axially along gear shaft, stop after moving to the gear spacing that needs installation;
Spline pad moves axially in process along gear shaft, is greater than the draw-in groove on gear shaft that is arranged at of spline pad width through one section of width; Described draw-in groove comprises empty set section and spacing section, and the empty set section of draw-in groove is identical with working gear position;
Described empty set section is that a circular groove is set on gear shaft, and the outside diameter of circular groove is less than spline pad internal tooth tooth top diameter of a circle; Spline pad rotates freely and is mobile in empty set section;
Described spacing section identical with empty set section outside diameter, and spacing section be provided with positioning key, positioning key and spline pad internal tooth teeth groove are suitable, positioning key is arranged on the straight line at teeth groove place of gear shaft; Spline pad comprises mobile attitude and location attitude in spacing section, is movable to on the spacing section of gear shaft being connected while being adjusted to mobile attitude, is adjusted to location and cannot moves and rotate after attitude; Described spline pad internal tooth should be removed at least one; The position of removing tooth with spline pad internal tooth by positioning key has coordinated location attitude;
2] be mounted in gear box casing: the gear shaft assembly moving into place is loaded to definite position in gear box casing;
3] recover each gear to working position: spline pad moved in the empty set section of draw-in groove and move to spacing section after rotation, being adjusted to location attitude, completing assembling.
2. the axle according to claim 1 localization method that cogs, it is characterized in that: the draw-in groove arranging on described gear shaft, the ratio of its width of spacing section and spline pad width is 1:0.8～1.1, and the ratio of the width of empty set section and spline pad width is 1:1～1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110293521.7A CN102506082B (en) | 2011-09-30 | 2011-09-30 | Method and device for positioning gears on shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110293521.7A CN102506082B (en) | 2011-09-30 | 2011-09-30 | Method and device for positioning gears on shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102506082A CN102506082A (en) | 2012-06-20 |
| CN102506082B true CN102506082B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110293521.7A Active CN102506082B (en) | 2011-09-30 | 2011-09-30 | Method and device for positioning gears on shaft |
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| Country | Link |
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| CN (1) | CN102506082B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161920A (en) * | 2013-03-21 | 2013-06-19 | 江苏宏大高精机床有限公司 | Gear installation structure for transitional shaft inside lathe gearbox |
| CN106545641A (en) * | 2016-12-15 | 2017-03-29 | 西安法士特汽车传动有限公司 | Two shaft gear location structure of variator |
| CN110645340A (en) * | 2019-09-26 | 2020-01-03 | 陕西法士特齿轮有限责任公司 | Transmission main shaft structure and device method thereof |
| CN113339416B (en) * | 2021-05-10 | 2022-08-19 | 浙江工业职业技术学院 | Adjustable docking mechanism based on direct current motor control |
| CN114769741B (en) * | 2022-03-28 | 2024-01-02 | 陕西法士特齿轮有限责任公司 | Full-arc hob with tooth tops and design method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3750489A (en) * | 1972-06-07 | 1973-08-07 | Caterpillar Tractor Co | Composite drive assembly |
| US3894621A (en) * | 1973-12-26 | 1975-07-15 | Allis Chalmers | Splined thrust washer |
| CN1120636A (en) * | 1994-02-28 | 1996-04-17 | 株式会社优尼希雅杰克斯 | Shaft coupling structure of drive shaft |
| US6428236B2 (en) * | 1999-12-02 | 2002-08-06 | Koyo Seiko Co., Ltd. | Expansion shaft |
| CN1938531A (en) * | 2004-03-31 | 2007-03-28 | 爱知机械工业株式会社 | Mounting structure of rotating member |
| CN202371037U (en) * | 2011-09-30 | 2012-08-08 | 陕西法士特齿轮有限责任公司 | Positioning device for gear on shaft |
-
2011
- 2011-09-30 CN CN201110293521.7A patent/CN102506082B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3750489A (en) * | 1972-06-07 | 1973-08-07 | Caterpillar Tractor Co | Composite drive assembly |
| US3894621A (en) * | 1973-12-26 | 1975-07-15 | Allis Chalmers | Splined thrust washer |
| CN1120636A (en) * | 1994-02-28 | 1996-04-17 | 株式会社优尼希雅杰克斯 | Shaft coupling structure of drive shaft |
| US6428236B2 (en) * | 1999-12-02 | 2002-08-06 | Koyo Seiko Co., Ltd. | Expansion shaft |
| CN1938531A (en) * | 2004-03-31 | 2007-03-28 | 爱知机械工业株式会社 | Mounting structure of rotating member |
| CN202371037U (en) * | 2011-09-30 | 2012-08-08 | 陕西法士特齿轮有限责任公司 | Positioning device for gear on shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102506082A (en) | 2012-06-20 |
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