CN103671744B - A kind of velocity ratio gradual change system - Google Patents
A kind of velocity ratio gradual change system Download PDFInfo
- Publication number
- CN103671744B CN103671744B CN201310742269.2A CN201310742269A CN103671744B CN 103671744 B CN103671744 B CN 103671744B CN 201310742269 A CN201310742269 A CN 201310742269A CN 103671744 B CN103671744 B CN 103671744B
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- China
- Prior art keywords
- driving gear
- gear shaft
- driven gear
- gradual change
- pedestal
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Classifications
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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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
- 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
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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
- F16H2720/00—Different types of speed-change gear mechanisms
- F16H2720/02—Gears with a non-circular rolling curve or gears with special teeth
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transmission Devices (AREA)
- Gear Transmission (AREA)
Abstract
The present invention relates to a kind of velocity ratio gradual change system, comprise intermeshing driving gear and driven gear, driving gear is set to the driving gear of the spiral distribution of number of teeth gradual change; The driving gear of spiral distribution is arranged on driving gear shaft; Driven gear is arranged on driven gear shaft.This velocity ratio gradual change system can solve real-time continuous and the problem of the velocity ratio of high-precision adjustment transmission system, overcome that complex structure, assembling and maintenance are loaded down with trivial details, the more high defect of cost, have simple and reasonable, kinematic accuracy is high, transmission efficiency is high, operation controls and easy to maintenance, vibrate the advantages such as little, noise is little and cost is lower, the needs of the electromechanical equipment of development can be met, and be with a wide range of applications at electro-mechanical arts.
Description
Technical field
The invention belongs to art drive systems field, relate to a kind of velocity ratio regulating system, particularly relate to a kind of velocity ratio gradual change system.
Background technique
At present, in various electromechanical equipment or instrument, gear transmission is widely used, and it, for transmitting motion between diaxon and power, has the advantages such as compact structure, smooth running and noise are less compared with other mechanical transmission.But along with improving constantly of the requirement to electromechanical equipment performance and development, the precision regulate adjustment and the velocity ratio of velocity ratio and relevant control aspect are proposed higher requirement.In existing precision gear transmission, be difficult to real-time continuous and the velocity ratio of high-precision adjustment transmission system, and have that complex structure, assembling and maintenance are loaded down with trivial details, the more high defect of cost more, for this reason, need a kind of can the driving mechanism of adjustment velocity ratio of continuous gradation, simultaneously the controlling it of scientific and efficient, to meet the needs of the electromechanical equipment of development, meets the needs of actual job situation.
Summary of the invention
The object of the invention is to, a kind of velocity ratio gradual change system is provided, to solve real-time continuous and the problem of the velocity ratio of high-precision adjustment transmission system, overcome that complex structure, assembling and maintenance are loaded down with trivial details, the more high defect of cost, to meet the needs of the electromechanical equipment of development, meet the needs of actual job situation.
For achieving the above object, the invention provides a kind of velocity ratio gradual change system, comprise intermeshing driving gear and driven gear, described driving gear is set to the driving gear of the spiral distribution of number of teeth gradual change; The driving gear of described spiral distribution is arranged on driving gear shaft; Described driving gear embeds the surface being arranged on the driving gear shaft of spiral distribution; The diameter of described driving gear shaft is identical with the tip diameter of the driving gear of spiral distribution; The cross section of described driving gear shaft is trapezoidal; Described driven gear is arranged on driven gear shaft; Described driving gear shaft is connected with motor; Described motor is connected with control unit.
In above scheme preferably, driving gear shaft is arranged on driving gear pedestal; Driven gear shaft is arranged on driven gear pedestal.
In above either a program preferably, the horizontal and vertical position of driven gear shaft is fixed, or driven gear shaft is arranged on and has on the driven gear pedestal of the longitudinal degress of feedom, or driven gear shaft is arranged on and has on the driven gear pedestal of horizontal degrees of freedom, or driven gear shaft is arranged on and has on the driving gear pedestal of horizontal degrees of freedom and the longitudinal degress of feedom.
In above either a program preferably, when the horizontal and vertical position of driven gear shaft is fixed, described driving gear shaft is arranged on to be had on the driving gear pedestal of freedom of lateral movement and longitudinal freedom of movement.
In above either a program preferably, described driven gear shaft be arranged on there is the longitudinal degress of feedom driven gear pedestal on time, the end of described driven gear shaft is provided with male thread portion, and matches with the female thread portion on driven gear pedestal and carry out the motion of the longitudinal degress of feedom; Described driving gear shaft is arranged on to be had on the driving gear pedestal of horizontal degrees of freedom; The end of described driving gear shaft is provided with circular end rollers by connecting rod, and described driving gear pedestal is provided with cross slide way, and described end rollers is arranged in this cross slide way to match with it carries out the movement of horizontal degrees of freedom.
In above either a program preferably, when described driven gear shaft is arranged on the driven gear pedestal with horizontal degrees of freedom, the end of described driven gear shaft is provided with circular end rollers by connecting rod, described driven gear pedestal is provided with cross slide way, described end rollers is arranged in this cross slide way to match with it carries out the movement of horizontal degrees of freedom, described driving gear shaft is arranged on to be had on the driving gear pedestal of the longitudinal degress of feedom, the end of described driving gear shaft is provided with male thread portion, and match with the female thread portion on driving gear pedestal and carry out the motion of the longitudinal degress of feedom.
In above either a program preferably, when described driven gear shaft is arranged on the driving gear pedestal with horizontal degrees of freedom and the longitudinal degress of feedom, the horizontal and vertical position of axle of described driving gear is fixed.
In above either a program preferably, described driven gear adopts spur gear.
In above either a program preferably, the driving gear of described driving gear shaft and spiral distribution is set to integral structure.
In above either a program preferably, described driven gear shaft and driven gear are set to integral structure.
Compared with prior art, the present invention has the following advantages:
Velocity ratio gradual change system of the present invention, it drives driving gear by the driving gear of the spiral distribution adopting outer outside diameter circle gradual change, by the two transmission that is meshed, and by being arranged on the multi-form of relative movement on respective gear shaft both coordinating, with the different needs of satisfied different electromechanical equipment and instrument;
Velocity ratio gradual change system of the present invention, its driving gear can embed the surface being arranged on driving gear shaft, and the structure that the diameter of driving gear shaft is identical with the tip diameter of the driving gear of spiral distribution, make the engagement driving between driving gear and driving gear more firm, difficult drop-off misplaces;
Velocity ratio gradual change system of the present invention, its gear shaft and driving gear or driving gear can be set to integral structure, and make drive motion safety and stability more, transmission accuracy is higher;
Velocity ratio gradual change system of the present invention, the relative movement between its gear shaft and gear pedestal can pass through thread fiting mode or guide rail fit system, and make motion more steadily smooth and easy, vibrate little, efficiency is high.
Velocity ratio gradual change system of the present invention, its driving gear shaft is by driven by motor, and regulable control can be carried out by control gear, better can improve precision and the reliability of drive system, thus better meet the various transmission demands of different electromechanical equipment and instrument.
Velocity ratio gradual change system of the present invention, real-time continuous can be solved and the problem of the velocity ratio of high-precision adjustment transmission system, overcome that complex structure, assembling and maintenance are loaded down with trivial details, the more high defect of cost, have simple and reasonable, kinematic accuracy is high, transmission efficiency is high, operation controls and easy to maintenance, vibrate the advantages such as little, noise is little and cost is lower, the needs of the electromechanical equipment of development can be met, and be with a wide range of applications at electro-mechanical arts.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the invention will be further described:
Fig. 1 is driving gear structural representation of the present invention;
Fig. 2 is driven gear structural representation of the present invention.
In figure, 1 is driving gear, and 2 is driven gear, and 3 is driving gear shaft, and 4 is driven gear shaft, and 5 is connecting rod, and 6 is end rollers.
Embodiment
In order to understand the present invention better, below in conjunction with specific embodiment, the present invention is explained in detail.But, obviously can carry out different modification and remodeling to the present invention and not exceed the wider spirit and scope of the present invention of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment 1:
A kind of velocity ratio gradual change system, comprise intermeshing driving gear 1 and driven gear 2, described driving gear 1 is set to the driving gear 1 of the spiral distribution of number of teeth gradual change; The driving gear 1 of described spiral distribution is arranged on driving gear shaft 3; Described driving gear 1 embeds the surface being arranged on the driving gear shaft 3 of spiral distribution; The diameter of described driving gear shaft 3 is identical with the tip diameter of the driving gear 1 of spiral distribution; The cross section of described driving gear shaft 3 is trapezoidal; Described driven gear 2 is arranged on driven gear shaft 4; Described driving gear shaft 3 is connected with motor; Described motor is connected with control unit.
Embodiment 2:
A kind of velocity ratio gradual change system, similar to embodiment 1, difference is, driving gear shaft 3 is arranged on driving gear pedestal; Driven gear shaft 4 is arranged on driven gear pedestal.
Embodiment 3:
A kind of velocity ratio gradual change system, similar to embodiment 2, difference is, described driven gear 2 adopts spur gear.
Embodiment 4:
A kind of velocity ratio gradual change system, similar to embodiment 3, difference is, described driving gear shaft 3 is set to integral structure with the driving gear 1 of spiral distribution.
Embodiment 5:
A kind of velocity ratio gradual change system, similar to embodiment 4, difference is, described driven gear shaft 4 is set to integral structure with driven gear 2.
Embodiment 6:
A kind of velocity ratio gradual change system, similar to embodiment 5, difference is, the horizontal and vertical position of driven gear shaft 4 is fixed, and described driving gear shaft 3 is arranged on to be had on the driving gear pedestal of freedom of lateral movement and longitudinal freedom of movement.
Embodiment 7:
A kind of velocity ratio gradual change system, similar to embodiment 5, difference is, described driven gear shaft 4 is arranged on to be had on the driven gear pedestal of the longitudinal degress of feedom, the end of described driven gear shaft 4 is provided with male thread portion, and matches with the female thread portion on driven gear pedestal and carry out the motion of the longitudinal degress of feedom; Described driving gear shaft 3 is arranged on to be had on the driving gear pedestal of horizontal degrees of freedom; The end of described driving gear shaft 3 is provided with circular end rollers 6 by connecting rod 5, and described driving gear pedestal is provided with cross slide way, and described end rollers 6 is arranged in this cross slide way to match with it carries out the movement of horizontal degrees of freedom.
Embodiment 8:
A kind of velocity ratio gradual change system, similar to embodiment 5, difference is, described driven gear shaft 4 is arranged on to be had on the driven gear pedestal of horizontal degrees of freedom, the end of described driven gear shaft 4 is provided with circular end rollers 6 by connecting rod 5, described driven gear pedestal is provided with cross slide way, described end rollers 6 is arranged in this cross slide way to match with it carries out the movement of horizontal degrees of freedom, described driving gear shaft 3 is arranged on to be had on the driving gear pedestal of the longitudinal degress of feedom, the end of described driving gear shaft 3 is provided with male thread portion, and match with the female thread portion on driving gear pedestal and carry out the motion of the longitudinal degress of feedom.
Embodiment 9:
A kind of velocity ratio gradual change system, similar to embodiment 5, difference is, described driven gear shaft 4 is arranged on to be had on the driving gear pedestal of horizontal degrees of freedom and the longitudinal degress of feedom, and the horizontal and vertical position of axle of described driving gear 1 is fixed.
Like this, velocity ratio gradual change system of the present invention, driving gear 1 is driven by the driving gear 1 of the spiral distribution adopting outer outside diameter circle gradual change, by the two transmission that is meshed, and by being arranged on the multi-form of relative movement on respective gear shaft both coordinating, with the different needs of satisfied different electromechanical equipment and instrument; Can be reliable and stable and carry out transmission with the speed ratio of real-time gradual change, and there is higher precision, its structure is simple, transmission efficiency is high, operation control and easy to maintenance, vibrate little, noise is little, and the advantage such as cost is lower, the needs of the electromechanical equipment of development can be met, and be with a wide range of applications at electro-mechanical arts.
Claims (10)
1. a velocity ratio gradual change system, comprises intermeshing driving gear and driven gear, it is characterized in that: described driving gear is set to the driving gear of the spiral distribution of number of teeth gradual change; The driving gear of described spiral distribution is arranged on driving gear shaft; Described driving gear embeds the surface being arranged on the driving gear shaft of spiral distribution; The diameter of described driving gear shaft is identical with the tip diameter of the driving gear of spiral distribution; The cross section of described driving gear shaft is trapezoidal; Described driven gear is arranged on driven gear shaft; Described driving gear shaft is connected with motor; Described motor is connected with control unit; Relative movement between gear shaft and gear pedestal is by thread fiting mode or guide rail fit system.
2. velocity ratio gradual change system as claimed in claim 1, is characterized in that: driving gear shaft is arranged on driving gear pedestal; Driven gear shaft is arranged on driven gear pedestal.
3. velocity ratio gradual change system as claimed in claim 2, it is characterized in that: the horizontal and vertical position of driven gear shaft is fixed, or driven gear shaft is arranged on and has on the driven gear pedestal of the longitudinal degress of feedom, or driven gear shaft is arranged on and has on the driven gear pedestal of horizontal degrees of freedom, or driven gear shaft is arranged on and has on the driving gear pedestal of horizontal degrees of freedom and the longitudinal degress of feedom.
4. velocity ratio gradual change system as claimed in claim 3, it is characterized in that: when the horizontal and vertical position of driven gear shaft is fixed, described driving gear shaft is arranged on to be had on the driving gear pedestal of freedom of lateral movement and longitudinal freedom of movement.
5. velocity ratio gradual change system as claimed in claim 4, it is characterized in that: described driven gear shaft be arranged on there is the longitudinal degress of feedom driven gear pedestal on time, the end of described driven gear shaft is provided with male thread portion, and matches with the female thread portion on driven gear pedestal and carry out the motion of the longitudinal degress of feedom; Described driving gear shaft is arranged on to be had on the driving gear pedestal of horizontal degrees of freedom; The end of described driving gear shaft is provided with circular end rollers by connecting rod, and described driving gear pedestal is provided with cross slide way, and described end rollers is arranged in this cross slide way to match with it carries out the movement of horizontal degrees of freedom.
6. velocity ratio gradual change system as claimed in claim 5, it is characterized in that: when described driven gear shaft is arranged on the driven gear pedestal with horizontal degrees of freedom, the end of described driven gear shaft is provided with circular end rollers by connecting rod, described driven gear pedestal is provided with cross slide way, described end rollers is arranged in this cross slide way to match with it carries out the movement of horizontal degrees of freedom, described driving gear shaft is arranged on to be had on the driving gear pedestal of the longitudinal degress of feedom, the end of described driving gear shaft is provided with male thread portion, and match with the female thread portion on driving gear pedestal and carry out the motion of the longitudinal degress of feedom.
7. velocity ratio gradual change system as claimed in claim 6, it is characterized in that: when described driven gear shaft is arranged on the driving gear pedestal with horizontal degrees of freedom and the longitudinal degress of feedom, the horizontal and vertical position of axle of described driving gear is fixed.
8. the velocity ratio gradual change system according to any one of claim 1-7, is characterized in that: described driven gear adopts spur gear.
9. the velocity ratio gradual change system according to any one of claim 1-7, is characterized in that: the driving gear of described driving gear shaft and spiral distribution is set to integral structure.
10. the velocity ratio gradual change system according to any one of claim 1-7, is characterized in that: described driven gear shaft and driven gear are set to integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742269.2A CN103671744B (en) | 2013-12-30 | 2013-12-30 | A kind of velocity ratio gradual change system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742269.2A CN103671744B (en) | 2013-12-30 | 2013-12-30 | A kind of velocity ratio gradual change system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671744A CN103671744A (en) | 2014-03-26 |
| CN103671744B true CN103671744B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310742269.2A Active CN103671744B (en) | 2013-12-30 | 2013-12-30 | A kind of velocity ratio gradual change system |
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| CN (1) | CN103671744B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB396768A (en) * | 1932-02-06 | 1933-08-08 | Murphy William | Improvements relating to change speed gears |
| US3442157A (en) * | 1967-12-11 | 1969-05-06 | Harry E Novinger | Infinitely variable speed gear transmission |
| CN1809706A (en) * | 2003-06-02 | 2006-07-26 | 迈克尔·兰伯特 | Gear drive having continuously variable drive |
| GB2423557A (en) * | 2005-02-08 | 2006-08-30 | Hitesh Dhanji Patel | A gear member with a plurality of reciprocating teeth |
| CN203641410U (en) * | 2013-12-30 | 2014-06-11 | 金陵科技学院 | Transmission ratio gradually changing system |
-
2013
- 2013-12-30 CN CN201310742269.2A patent/CN103671744B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB396768A (en) * | 1932-02-06 | 1933-08-08 | Murphy William | Improvements relating to change speed gears |
| US3442157A (en) * | 1967-12-11 | 1969-05-06 | Harry E Novinger | Infinitely variable speed gear transmission |
| CN1809706A (en) * | 2003-06-02 | 2006-07-26 | 迈克尔·兰伯特 | Gear drive having continuously variable drive |
| GB2423557A (en) * | 2005-02-08 | 2006-08-30 | Hitesh Dhanji Patel | A gear member with a plurality of reciprocating teeth |
| CN203641410U (en) * | 2013-12-30 | 2014-06-11 | 金陵科技学院 | Transmission ratio gradually changing system |
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| Publication number | Publication date |
|---|---|
| CN103671744A (en) | 2014-03-26 |
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