CN105587842B - High intensity low vibration low noise Spur Gear Driving mechanism - Google Patents
High intensity low vibration low noise Spur Gear Driving mechanism Download PDFInfo
- Publication number
- CN105587842B CN105587842B CN201610172010.2A CN201610172010A CN105587842B CN 105587842 B CN105587842 B CN 105587842B CN 201610172010 A CN201610172010 A CN 201610172010A CN 105587842 B CN105587842 B CN 105587842B
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- Prior art keywords
- gear
- spur gear
- pressure angle
- engagement
- node
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- 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
- F16H55/0806—Involute profile
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
A kind of new Spur Gear Driving pattern, belongs to gear technique field, specifically a kind of high intensity low vibration low noise Spur Gear Driving mechanism.It is embodied in：1）The pressure angle of gear teeth both sides flank profil curved surface, that is, possess engagement side pressure angleWith non-engagement side pressure angle, and；2）Phase gear 1 with 2 pressure angle and modulus it is also unequal respectively, i.e., 、 、；3）Gear is in node external gearing.When the engagement side outside circle pressure angle of gear 1With the angle of engagementMeetWhen, it is engagement before node；When the engagement side outside circle pressure angle of gear 2With the angle of engagementMeetWhen, it is engagement after node.The present invention has the advantage of Double pressure angles unsymmetric gear and Gear Drive with Meshing beyond Pitch Point concurrently simultaneously；Relative to conventional node external gearing spur gear transmission, the present invention, which has, to be improved bearing capacity, reduces volume, mitigates weight, extension service advantages；Relative to the conventional asymmetric spur gear transmission of Double pressure angles, the present invention has the vibration low advantage of small, noise.
Description
Technical field
The present invention relates to gear technique field, especially a kind of high intensity low vibration low noise Spur Gear Driving mechanism.
Background technology
Gear drive is because power is big, efficiency high, long lifespan the advantages of, and be widely used in each portion of national economy
Door.The quality of its performance and quality eventually affects the quality height of engineening goods, therefore, to adapt to the big production of modernization and section
The fast development of skill, it is desirable to which gear-driven performance is continued to optimize.Especially since nearly many decades, mesh theory in gear,
The each side such as bearing capacity calculating and experiment, vibration and noise, new gear transmission, there is remarkable progress.
Tooth profiles not only have influence on the kinetic characteristic of gear pair, also affect the dynamic characteristics of gear pair.Research shows,
Increase pressure angle can improve Gear Root fatigue resistance.But if the pressure angle of increase gear teeth both sides, will cause tooth top simultaneously
Thinning, i.e., the shock resistance of the gear teeth will decline.The present invention takes the method at the side draw different pressures angle of the gear teeth two both may be used
The bearing capacity of the gear teeth is improved, and does not influence the shock resistance of the gear teeth.
The friction that direction change occurs before and after working pitch point is inevitably present during gear drive, between mesh tooth face
Power.The change of direction is one of exciting key element of gear pair vibration, the aggravation that gear pair will be caused to vibrate.Node is nibbled outside
Close when engaging without node, so as to avoid the vibration of gear train caused by the change due to direction.Often
Rule gear uses node external gearing, is mainly reached by choosing different Modification Coefficient of Gear.But, due to condition of work
Limitation, it is difficult to select suitable Modification Coefficient of Gear to reach the purpose of node external gearing.Using the non-equal pressure angle of non-equal modulus
Gear（It is intermeshed the modulus and pressure angle of gear respectively）, then the gear modification of node external gearing can be obtained easily
Coefficient.
New data is looked into show：The content of the non-non- equal pressure angle asymmetric tooth involute spur gear of equal modulus has no
Any document report.
The content of the invention
In order to overcome the shortcomings of existing gear technique, the invention provides a kind of high intensity low vibration low noise straight tooth column
Gear drive, proposes to use different pressure angles in the both sides of gear tooth, and the pressure angle and modulus of phase gear
The design concept not waited respectively.
The technical solution adopted for the present invention to solve the technical problems is：A kind of high intensity low vibration low noise straight tooth column
Gear drive, spur gear includes tooth top, left flank, right flank and tooth root, and the left flank for often taking pressure angle big is
Engagement side, the small right flank of pressure angle is non-engagement side, takes the gear-driven angle of engagement to be, spur gear one, spur gear two
The pressure angle of engagement side and non-engagement side is respectively、；With、, spur gear one, the modulus of spur gear two are respectively、；
It realizes that the step of high intensity low vibration low noise is driven is as follows：
1）If actively, spur gear two is driven, and represents its corresponding parameter with footnote 1,2 respectively for spur gear one；
2）Cut-off gear one, the number of teeth of spur gear two, modulus, field of conjugate action pressure angle, non-field of conjugate action pressure angle are respectively、；、；、；、；Wherein、Meet gearratio requirement and meet not root and cut principle；、Value
Size is chosen with reference to gear handbook or made by oneself as needed；、；、Value size required to be selected according to transmission
Take, and must simultaneously meet、、 、 、；
3）Cut-off gear one, the modification coefficient of spur gear two are、, its value selects according to condition of work；
4）Cut-off gear one, the field of conjugate action addendum coefficient of spur gear two, non-field of conjugate action addendum coefficient, field of conjugate action bottom clearance
Coefficient, non-field of conjugate action tip clearance coefficient are respectively、；、；、；、, its value is according to outside node
Gear meshing characteristic and unsymmetric gear design feature determine that concrete numerical value size is relevant with the modulus and pressure angle of gear；
5) cut-off gear one, the infolute function of the field of conjugate action of spur gear two, the involute of the gear drive field of conjugate action angle of engagement
The angle of engagement of function and the gear pair field of conjugate action is respectively、；、, its value according to node external gear meshing characteristic and
Unsymmetric gear design feature determines that concrete numerical value is relevant with the number of teeth of gear, modification coefficient and pressure angle；
6）The gear-driven operating center distance is taken to be, its value is according to node external gear meshing characteristic and unsymmetric gear
Design feature determines that concrete numerical value is relevant with the number of teeth of gear, modulus and pressure angle；
7）Cut-off gear one, the height of teeth top coefficient of alteration of spur gear two are、, its value is according to node external gear
Meshing characteristic and unsymmetric gear design feature determine, the number of teeth, modulus, pressure angle and the modification coefficient of concrete numerical value and gear
It is relevant；
8）Cut-off gear one, spur gear two tooth top it is a height of、, its value according to node external gear meshing characteristic and
The characteristics of unsymmetric gear structure determines, the number of teeth, modulus, pressure angle, modification coefficient and the height of teeth top of concrete numerical value and gear
Coefficient is relevant；
9）Cut-off gear one, the reference radius of spur gear two, radius of addendum are respectively、；、, its value
Determined according to unsymmetric gear design feature, the relating to parameters such as the number of teeth, modulus, addendum coefficient of concrete numerical value and gear；
10）Cut-off gear one, the field of conjugate action outside circle pressure angle of spur gear two are、, its value is according to asymmetric
Gear structure feature determines, the relating to parameters such as the number of teeth, modulus, pressure angle, addendum coefficient of concrete numerical value and gear；
11）Judge：WhenAndWhen, it is general engagement situation, i.e., is all engaged before and after node；WhenWhen, it is to engage before the node in node external gearing；WhenWhen, it is to nibble after the node in node external gearing
Close.
According to another embodiment of the invention, further comprise, the spur gear one, the pressure angle and mould of spur gear two
Number is also unequal respectively, i.e., 、 、。
The beneficial effects of the invention are as follows：
（1）Patent of the present invention has the advantage of Double pressure angles unsymmetric gear and Gear Drive with Meshing beyond Pitch Point concurrently simultaneously；
（2）The present invention with raising bearing capacity, reduces relative to conventional node external gearing spur gear transmission
The advantages of volume, the weight that mitigates, extension life-span；
（3）The present invention relative to the conventional asymmetric spur involute Gear Transmission of Double pressure angles, with vibrate it is small,
Low noise advantages.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is gear drive pattern of the present invention.
Fig. 2 is tooth form figure of the present invention.
Fig. 3 is gear engagement figure when node both sides are engaged in the case of typically engaging.
Fig. 4 is node external gearing situation, gear engagement figure when being engaged specially before node.
Fig. 5 is node external gearing situation, gear engagement figure when being engaged specially after node.
In figure, 1, outside circle, 2, reference circle, 3, root circle, 4, left flank, 5, right flank.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
As Figure 1-5, the present invention is according to the characteristics of pitch point external toothing, with reference to the spy of Double pressure angles asymmetric tooth
Property, provide a kind of design concept of the involute spur gear of high intensity small vibration low noise.
Realize that step is as follows：
1）If actively, spur gear two is driven, and represents its corresponding parameter with footnote 1,2 respectively for spur gear one；
2）Cut-off gear one, the number of teeth of spur gear two, modulus, field of conjugate action pressure angle, non-field of conjugate action pressure angle are respectively、；、；、；、；Wherein、Meet gearratio requirement and meet not root and cut principle；、Value
Size is chosen with reference to gear handbook or made by oneself as needed；、；、Value size required to be selected according to transmission
Take, and must simultaneously meet、、 、 、；
3）Cut-off gear one, the modification coefficient of spur gear two are、, its value selects according to condition of work；
4）Cut-off gear one, the field of conjugate action addendum coefficient of spur gear two, non-field of conjugate action addendum coefficient, field of conjugate action bottom clearance
Coefficient, non-field of conjugate action tip clearance coefficient are respectively、；、；、；、, its value is according to outside node
Gear meshing characteristic and unsymmetric gear design feature determine that concrete numerical value size is relevant with the modulus and pressure angle of gear；
5) cut-off gear one, the infolute function of the field of conjugate action of spur gear two, the involute of the gear drive field of conjugate action angle of engagement
The angle of engagement of function and the gear pair field of conjugate action is respectively、；、, its value according to node external gear meshing characteristic and
Unsymmetric gear design feature determines that concrete numerical value is relevant with the number of teeth of gear, modification coefficient and pressure angle；
6）The gear-driven operating center distance is taken to be, its value is according to node external gear meshing characteristic and unsymmetric gear
Design feature determines that concrete numerical value is relevant with the number of teeth of gear, modulus and pressure angle；
7）Cut-off gear one, the height of teeth top coefficient of alteration of spur gear two are、, its value is according to node external gear
Meshing characteristic and unsymmetric gear design feature determine, the number of teeth, modulus, pressure angle and the modification coefficient of concrete numerical value and gear
It is relevant；
8）Cut-off gear one, spur gear two tooth top it is a height of、, its value according to node external gear meshing characteristic and
The characteristics of unsymmetric gear structure determines, the number of teeth, modulus, pressure angle, modification coefficient and the height of teeth top of concrete numerical value and gear
Coefficient is relevant；
9）Cut-off gear one, the reference radius of spur gear two, radius of addendum are respectively、；、, its value
Determined according to unsymmetric gear design feature, the relating to parameters such as the number of teeth, modulus, addendum coefficient of concrete numerical value and gear；
10）Cut-off gear one, the field of conjugate action outside circle pressure angle of spur gear two are、, its value is according to asymmetric
Gear structure feature determines, the relating to parameters such as the number of teeth, modulus, pressure angle, addendum coefficient of concrete numerical value and gear；
11）Judge：WhenAndWhen, it is general engagement situation, i.e., is all engaged before and after node；WhenWhen, it is to engage before the node in node external gearing；WhenWhen, it is to nibble after the node in node external gearing
Close.
Example：
1）Conventional symmetric tooth-profile of gear is driven, and typically engages situation about all being engaged before and after situation, i.e. node.
、、、、、、、、、、、、、、、、、、,
Due to、, so being node
It is front and rear all to engage.
2）Conventional symmetric tooth-profile of gear is driven, engaged transmission before node.
、、、、、、、、、、、、、、、、、、、、、、、、、,
Due to, so to be engaged before node.
3）Engaged transmission before asymmetric tooth gear drive, node.
、、、、、、、,、、、、、、、、、、、、、、、、、、、、、、、
、,
Due to, so to be engaged before node.
4）Engaged transmission after asymmetric tooth gear drive, node.
、、、、、、、,、、、、、、、、、、、、、、、、、、
、、、、、、,
Due to, so to be engaged after node.
Although gear of the present invention is that Double pressure angles are asymmetric（It is referred to as asymmetric）Involute spur gear, but by
Unequal in the modulus and pressure angle difference of intermeshing spur gear, causing whole gear pair to become, non-equal modulus is non-to wait pressure
Angle Asymmetrical Involute Spur Gears transmission mechanism, it is achieved thereby that asymmetric spur gear node external gearing is driven.Therefore, it is of the invention
The design and processing of the middle asymmetric involute spur gear of Double pressure angles are all straight with the asymmetric involute of conventional Double pressure angles
Gear is far different.
Design feature of the invention based on asymmetric spur gear, with reference to the characteristic of node external gearing, it is proposed that high intensity is low
The mentality of designing and calculation procedure of low noise Spur Gear Driving mechanism are vibrated, and gives example.
Patent of the present invention has the advantage of Double pressure angles unsymmetric gear and Gear Drive with Meshing beyond Pitch Point concurrently simultaneously.Relative to
Conventional node external gearing spur gear transmission, the present invention, which has, to be improved bearing capacity, reduces volume, mitigate weight, prolong
The advantages of long-life.Relative to the conventional asymmetric spur involute Gear Transmission of Double pressure angles, the present invention has vibration
Small, low noise advantages.
Gear drive in the present invention is widely used in the industries such as household electrical appliances, automobile, instrument, wide market, tool
There is huge social and economic benefit.
Claims (1)
1. a kind of high intensity low vibration low noise Spur Gear Driving mechanism, it is characterized in that, spur gear includes tooth top（1）, left side tooth
Face（4）, right flank（5）And tooth root（3）, take the left flank that pressure angle is big（4）For engagement side, the small right flank of pressure angle
（5）For non-engagement side, the gear-driven angle of engagement is taken to be, the pressure of spur gear one, the engagement side of spur gear two and non-engagement side
Angle is respectively、；With、, spur gear one, the modulus of spur gear two are respectively、；
It realizes that the step of high intensity low vibration low noise is driven is as follows：
1）If actively, spur gear two is driven, and represents its corresponding parameter with footnote 1,2 respectively for spur gear one；
2）Cut-off gear one, the number of teeth of spur gear two, modulus, field of conjugate action pressure angle, non-field of conjugate action pressure angle are respectively、；、；、；、；Wherein、Meet gearratio requirement and meet not root and cut principle；、Value
Size is chosen with reference to gear handbook or made by oneself as needed；、；、Value size according to transmission require carry out
Choose, and must simultaneously meet、、 、 、；
3）Cut-off gear one, the modification coefficient of spur gear two are、, its value selects according to condition of work；
4）Cut-off gear one, the field of conjugate action addendum coefficient of spur gear two, non-field of conjugate action addendum coefficient, field of conjugate action bottom clearance system
Several, non-field of conjugate action tip clearance coefficient is respectively、；、；、；、, its value is according to node external tooth
Take turns meshing characteristic and unsymmetric gear design feature to determine, concrete numerical value size is relevant with the modulus and pressure angle of gear；
5）Cut-off gear one, the infolute function of the field of conjugate action of spur gear two, the infolute function of the gear drive field of conjugate action angle of engagement
And the angle of engagement of the gear pair field of conjugate action is respectively、；、, its value is according to node external gear meshing characteristic and non-right
Gear structure feature is claimed to determine, concrete numerical value is relevant with the number of teeth of gear, modification coefficient and pressure angle；
6）The gear-driven operating center distance is taken to be, its value is according to node external gear meshing characteristic and unsymmetric gear structure
Feature determines that concrete numerical value is relevant with the number of teeth of gear, modulus and pressure angle；
7）Cut-off gear one, the height of teeth top coefficient of alteration of spur gear two are、, its value engages special according to node external gear
Property and unsymmetric gear design feature determine that concrete numerical value is relevant with the number of teeth of gear, modulus, pressure angle and modification coefficient；
8）Cut-off gear one, spur gear two tooth top it is a height of、, its value is according to node external gear meshing characteristic and non-right
The characteristics of claiming gear structure determine, the number of teeth, modulus, pressure angle, modification coefficient and the addendum coefficient of concrete numerical value and gear
It is relevant；
9）Cut-off gear one, the reference radius of spur gear two, radius of addendum are respectively、；、, its value according to
Unsymmetric gear design feature determines, the relating to parameters such as the number of teeth, modulus, addendum coefficient of concrete numerical value and gear；
10）Cut-off gear one, the field of conjugate action outside circle pressure angle of spur gear two are、, its value is according to unsymmetric gear
Design feature determines, the relating to parameters such as the number of teeth, modulus, pressure angle, addendum coefficient of concrete numerical value and gear；
11）Judge：WhenAndWhen, it is general engagement situation, i.e., is all engaged before and after node；When
When, it is to engage before the node in node external gearing；WhenWhen, it is to engage after the node in node external gearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172010.2A CN105587842B (en) | 2016-03-24 | 2016-03-24 | High intensity low vibration low noise Spur Gear Driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172010.2A CN105587842B (en) | 2016-03-24 | 2016-03-24 | High intensity low vibration low noise Spur Gear Driving mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105587842A CN105587842A (en) | 2016-05-18 |
| CN105587842B true CN105587842B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610172010.2A Expired - Fee Related CN105587842B (en) | 2016-03-24 | 2016-03-24 | High intensity low vibration low noise Spur Gear Driving mechanism |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100961A (en) * | 2017-05-09 | 2017-08-29 | 天津工业大学 | A kind of branch of power two divides transmission system of confluxing |
| CN107830115B (en) * | 2017-09-30 | 2020-09-15 | 江苏理工学院 | High-strength low-noise straight gear pair meshed with point line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60211146A (en) * | 1984-04-04 | 1985-10-23 | Ebara Corp | Reduction gear device |
| EP0271844A2 (en) * | 1986-12-17 | 1988-06-22 | Politechnika Rzeszowska im. Ignacego Lukasiewicza | Gear transmission with variable pressure angle and method of machining gear tooth profiles with a variable pressure angle |
| CN102155528A (en) * | 2011-03-08 | 2011-08-17 | 江苏技术师范学院 | Plastic cone gear |
| CN202048161U (en) * | 2011-03-07 | 2011-11-23 | 江苏技术师范学院 | Involute helical gear |
| CN104318017A (en) * | 2014-10-22 | 2015-01-28 | 江苏理工学院 | Modeling method of asymmetric spur gear pair |
-
2016
- 2016-03-24 CN CN201610172010.2A patent/CN105587842B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60211146A (en) * | 1984-04-04 | 1985-10-23 | Ebara Corp | Reduction gear device |
| EP0271844A2 (en) * | 1986-12-17 | 1988-06-22 | Politechnika Rzeszowska im. Ignacego Lukasiewicza | Gear transmission with variable pressure angle and method of machining gear tooth profiles with a variable pressure angle |
| CN202048161U (en) * | 2011-03-07 | 2011-11-23 | 江苏技术师范学院 | Involute helical gear |
| CN102155528A (en) * | 2011-03-08 | 2011-08-17 | 江苏技术师范学院 | Plastic cone gear |
| CN104318017A (en) * | 2014-10-22 | 2015-01-28 | 江苏理工学院 | Modeling method of asymmetric spur gear pair |
Non-Patent Citations (2)
| Title |
|---|
| 基于齿面摩擦的非对称齿轮支座反力分析;李秀莲 等;《航空动力学报》;20110331;第26卷(第3期);704-710 * |
| 非等压力角节点外啮合齿轮油膜厚度的研究;李秀莲 等;《热能动力工程》;20150930;第30卷(第5期);781-786 * |
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