CN108240417A - A kind of gear transmission structure - Google Patents
A kind of gear transmission structure Download PDFInfo
- Publication number
- CN108240417A CN108240417A CN201810071238.1A CN201810071238A CN108240417A CN 108240417 A CN108240417 A CN 108240417A CN 201810071238 A CN201810071238 A CN 201810071238A CN 108240417 A CN108240417 A CN 108240417A
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- China
- Prior art keywords
- gear
- raising speed
- transmission structure
- gap bridge
- train
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- 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.)
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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
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of gear transmission structure, including：Input shaft, carrier gear, gap bridge raising speed gear set, train of reduction gears, fixed branch powershift gear, supporter and housing composition, the carrier gear, gap bridge raising speed gear set, train of reduction gears and fixed branch powershift gear are arranged on inside supporter, fixed branch powershift gear is set with the concentric layering of carrier gear, fixed branch powershift gear is fixed on housing, supporter is connect with housing into rotation, and the gap bridge raising speed gear set and train of reduction gears are sequentially connected between carrier gear and fixed branch powershift gear.A kind of gear transmission structure of the present invention, by setting train of reduction gears and gap bridge raising speed gear set, balance gear frictional resistance, and coordinates fixed branch powershift gear to be exported, the overall operation efficiency of hoisting mechanism.
Description
Technical field
The present invention relates to mechanical driving device field, more particularly to a kind of gear transmission structure.
Background technology
In machinery field, the use of gear is rather extensive.When gear engages transmission speed and torsion with gear, canine tooth
When taking turns drive pinion, the rotating speed of pinion gear can improve, but the driving force that awards of gear wheel is more than the power output of pinion gear；If
During with pinion drive gear wheel, the rotating speed of gear wheel can reduce, but the driving force that pinion gear awards is less than the defeated of gear wheel
It contributes.To the higher torsion of holding, need to accordingly decrease rotating speed, and transmission efficiency is relatively low in the structure of the prior art,
Row those skilled in the art generally want to promote the transmission efficiency of existing gear transmission structure.
Invention content
The invention mainly solves the technical problem of providing a kind of gear transmission structure, by adding under drive gear knot
Structure improves transmission output torque, active balance frictional resistance.
It is an object of the invention to by setting reduction gear arrangement, frictional resistance is balanced, reduces input torque.
It is a further object of the invention that by setting gap bridge raising speed gear structure, output speed is improved, balances input work
Rate improves overall operation efficiency.
In order to solve the above technical problems, one aspect of the present invention is：A kind of gear transmission structure is provided, is wrapped
It includes：It is made of input shaft, carrier gear, gap bridge raising speed gear set, train of reduction gears, fixed branch powershift gear, supporting rack and housing,
Carrier gear, gap bridge raising speed gear set, train of reduction gears and fixed branch powershift gear are arranged on inside supporting rack, fixed branch powershift gear
It is set with the concentric layering of carrier gear, fixed branch powershift gear is fixed on housing, and supporting rack is connect with housing into rotation, is passed a bridge and is risen
Fast gear set and train of reduction gears are sequentially connected between drive gear and fixed branch powershift gear, and raising speed gear set includes folded up and down
Tooth, upper and lower folded tooth is under fixed bearing pressure gearing so that raising speed gear set generates rotation and what is revolved round the sun is superimposed transmission, passage branch
Support so that supporting rack increasing transmission；The rotating speed of supporting rack is reduced by train of reduction gears, reduces carrier gear and gap bridge raising speed
Driving frictional force between gear set.
Preferably, carrier gear drive gear, centre-driven gear can be connected with input shaft centered on；Carrier gear
May be driven gear ring, the Internal and external cycle of driven gear ring is respectively provided with teeth, and driven gear ring directly drives gap bridge raising speed gear set.
Gap bridge raising speed gear set is provided at least 2 groups, and the gap bridge raising speed gear set is connected to centre-driven gear and subtracts
Between fast gear set.Gap bridge raising speed gear set is made of 2 gap bridges of upper gap bridge and lower gap bridge, and the number of teeth of upper gap bridge is less than lower gap bridge
The number of teeth.
Preferably, the raising speed ratio of gap bridge raising speed gear is between 2-50 times.
Preferably, train of reduction gears is provided at least 2 groups, and train of reduction gears includes at least 4 gears, including first
Gear, the third gear being driven with the second gear of first gear same layer transmission and second gear coaxial synchronous and first gear
The 4th gear coaxially positioned, third gear same layer are driven the 4th gear, and the number of teeth of the first gear is less than second gear
The number of teeth, the number of teeth of third gear are less than the number of teeth of the 4th gear.
The deceleration ratio of train of reduction gears is preferably between 2-50 times.
Wherein, raising speed gear set can also be rotated backward with carrier gear with rotating.
Another embodiment, first gear can be folded tooth, and first gear upper strata reference diameter is more than lower floor point
Spend circular diameter.Lower carrier gear connect with first gear upper strata and forms speedup structure.
A kind of advantageous effect of gear transmission structure of the present invention is：
A kind of gear transmission structure of the present invention adds positive transmission gear means in the outer ring of centre-driven gear, is promoted
The transmission speed ratio of entire transmission device；In this transmission device in addition to setting position gear so that centre-driven gear,
Lever construction is formed in positive transmission gear means and positioning gear；In addition, it is also provided with inside positive transmission gear means
One under drive gear group improves output torque, so as to improve a kind of gear drive by the way that reducing transmission structure is opposite
The transmission efficiency of structure.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is a kind of a kind of three-dimensional cutaway view of embodiment of gear transmission structure of the present invention；
Fig. 2 is a kind of a kind of side sectional view of embodiment of gear transmission structure of the present invention；
Fig. 3 is a kind of a kind of plan view of embodiment of gear transmission structure of the present invention；
Fig. 4 is a kind of side sectional view of gear transmission structure another embodiment of the present invention；
Fig. 5 is a kind of side sectional view of the embodiment of gear transmission structure gear ring of the present invention；
Fig. 6 is a kind of plan view of the embodiment of gear transmission structure gear ring of the present invention；
The label of each component is as follows in attached drawing：1st, input shaft, 2, centre-driven gear, 2 ', driven gear ring, 3, gap bridge tooth
Wheel, 4, gap bridge raising speed gear set, 41, upper carrier gear, 42, lower carrier gear, 5, fixed branch powershift gear, 6, supporter, 7, defeated
Shaft, 8, train of reduction gears, 811, upper folded tooth, 812, lower folded tooth, 81, first gear, 82, second gear, 83, third gear,
84th, the 4th gear, 9, housing, 10, driving wheel.
Specific embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
It please refers to Fig.1 to Fig. 6, the embodiment of the present invention includes：
A kind of gear transmission structure, including：1st, by input shaft 1, carrier gear 3, gap bridge raising speed gear set 4, reduction gearing
Group 8, fixed branch powershift gear 5, supporter 6 and housing 9 form, carrier gear 3, gap bridge raising speed gear set 4,8 and of train of reduction gears
Fixed branch powershift gear 5 is arranged on inside supporter 6, and fixed branch powershift gear 5 is set with the concentric layering of drive gear, fixed bearing pressure
Gear 5 is fixed on housing 9, and supporter 6 is rotatablely connected with housing 9, and gap bridge raising speed gear set 4 and the transmission of train of reduction gears 8 connect
It is connected between carrier gear 3 and fixed branch powershift gear 5, gap bridge raising speed gear set 4 includes folded tooth up and down, and folded tooth is in fixed branch up and down
The effect of powershift gear 5 is lower so that the generation rotation of raising speed gear set and the transmission that is superimposed of revolution, elapse supporter 6 so that 6 liters of supporter
Speed transmission；The rotating speed of supporter 6 is reduced by train of reduction gears 8, is reduced between carrier gear 3 and gap bridge raising speed gear set 4
Drive frictional force.
Embodiment 1：
It please refers to Fig.1, Fig. 2 and Fig. 3,
Housing 9 is fixed with fixed branch powershift gear 5, and supporter 6 is connect with housing into rotation, and fixed branch powershift gear 5 is co-axially inserted
There is input shaft 1, input shaft 1 is provided with centre-driven gear 2, and centre-driven gear 2 is driven with 3 same layer of carrier gear, gap bridge tooth
3 transmission gap bridge raising speed gear set 4 of wheel, wherein, carrier gear 3 is driven with upper 41 same layer of carrier gear, and upper carrier gear 41 is under
Carrier gear 42 is coaxial affixed and can synchronize driving, and lower 42 Power transmission reduction gear group 8 of carrier gear, train of reduction gears includes first
Gear 81, second gear 82,83 and the 4th gear 84 of third gear, first gear 81 and the transmission of 82 same layer of second gear, second
Gear 82 and third gear 83 be coaxial affixed and synchronous driving, third gear 83 and the transmission of 84 same layer of the 4th gear, first gear
81 drive by lower carrier gear 42, and the 4th gear 84 is driven with fixed branch powershift gear 5, and above-mentioned carrier gear 3 is passed a bridge
Raising speed gear set 4, upper carrier gear 41, lower carrier gear 42, fixed branch powershift gear 5, supporter 6, output shaft 7, reduction gearing
Group 8, first gear 81, second gear 82, third gear 83, the 4th gear 84 are fixed on by axis on supporter 6, and gear can
Pivoting.
Since fixed branch powershift gear 5 is fixed with housing 9 so that the 4th gear 84 must be along the week of fixed branch powershift gear 5
To movement, and supporter 6 is driven to rotate, finally exported by the output shaft 7 being arranged on supporter 6.
As shown in figure 4,
To improve the output ratio that slows down, the first gear 81 of train of reduction gears 8 can be done to stacked tooth, and cause and lower gap bridge tooth
Upper folded 811 reference diameter of tooth of 42 transmission of wheel is less than the reference diameter of lower carrier gear 42.
To further improve the output ratio that slows down, the first gear 81 of train of reduction gears 8 can be done stacked tooth so that with lower mistake
Upper folded 811 reference diameter of tooth that axle gear 42 is driven is less than the reference diameter of lower carrier gear 42, while upper folded tooth 811 divides
It spends circular diameter and is more than lower folded 812 reference diameter of tooth.
Embodiment 2
Please refer to Fig. 5 and Fig. 6, it is illustrated that embodiment is the mode of gear ring input, in figure：
Housing 9 is fixed with fixed branch powershift gear 5, and supporting rack 6 is connect with housing into rotation, and input shaft 1 is arranged on supporting rack 6 one
Side is fixed with driving wheel 10 on input shaft 1, and driving wheel 10 is connect with the excircle of driven gear ring 2 ', the inner circle of driven gear ring 2 '
It is also provided with teeth, tooth and the transmission of 3 same layer of carrier gear of the inner periphery of driven gear ring 2 ', the transmission overlapping gap bridge of carrier gear 3 week
Gear set 4, wherein, carrier gear 3 is driven with upper 41 same layer of carrier gear, and upper carrier gear 41 is coaxial solid with lower carrier gear 42
It connects and driving can be synchronized, lower 42 Power transmission reduction gear group of carrier gear, train of reduction gears includes first gear 81, second gear
82,83 and the 4th gear 84 of third gear, first gear 81 and 82 same layer of second gear are driven, second gear 82 and third gear
83 coaxial affixed and synchronous drivings, third gear 83 and 84 same layer of the 4th gear are driven, and first gear 81 relies on lower carrier gear
42 drivings, the 4th gear 84 are driven with fixed branch powershift gear 5, above-mentioned carrier gear 3, overlapping carrier gear group 4, upper mistake
Axle gear 41, lower carrier gear 42, fixed branch powershift gear 5, supporter 6, output shaft 7, train of reduction gears 8, first gear 81, the
Two gears 82, third gear 83, the 4th gear 84 are fixed on by axis on supporter 6, and gear can rotate around the axis.
Since fixed branch powershift gear 5 is fixed with housing so that the 4th gear 84 must be along the circumferential direction of fixed branch powershift gear 5
Movement, and supporter 6 is driven to rotate, finally exported by the output shaft 7 being arranged on supporter 6.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright description is made directly or indirectly is used in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (16)
1. a kind of gear transmission structure, which is characterized in that by carrier gear (3), gap bridge raising speed gear set (4), train of reduction gears
(8), fixed branch powershift gear (5), supporting rack (6) and housing (9) composition,
The carrier gear, gap bridge raising speed gear set, train of reduction gears and fixed branch powershift gear (5) are arranged in supporting rack (6)
Portion, fixed branch powershift gear (5) are set with the concentric layering of carrier gear, and fixed branch powershift gear (5) is fixed on housing (9), is propped up
Support (6) is rotatablely connected with housing (9),
The gap bridge raising speed gear set and train of reduction gears are sequentially connected between drive gear and fixed branch powershift gear (5),
The raising speed gear set includes folded tooth up and down, folds tooth up and down in the case where fixed branch powershift gear (5) acts on so that raising speed gear set
Generate be superimposed transmission of the rotation with revolution, passage supporter (6) so that supporter (6) increasing transmission；
The rotating speed of supporter (6) is reduced by train of reduction gears, reduces the driving between carrier gear and gap bridge raising speed gear set
Frictional force.
A kind of 2. gear transmission structure according to claim 1, which is characterized in that sliding tooth centered on the carrier gear
It takes turns (2), centre-driven gear (2) can be connected with input shaft (1).
3. a kind of gear transmission structure according to claim 1, which is characterized in that the carrier gear is driven gear ring
(2 '), driven gear ring (2 ') directly drive gap bridge raising speed gear set.
A kind of 4. gear transmission structure according to claim 1, which is characterized in that setting at least two gap bridge raising speed gear
Group, the gap bridge raising speed gear set are connected between centre-driven gear and train of reduction gears.
5. a kind of gear transmission structure according to claim 4, which is characterized in that the gap bridge raising speed gear set is by upper mistake
Bridge and lower composition of passing a bridge of passing a bridge 2, the number of teeth of upper gap bridge are less than the number of teeth of lower gap bridge.
A kind of 6. gear transmission structure according to claim 5, which is characterized in that the raising speed ratio of the gap bridge raising speed gear
Example is between 2-50 times.
A kind of 7. gear transmission structure according to claim 5, which is characterized in that the raising speed ratio of the gap bridge raising speed gear
Example is between 5-30 times.
8. a kind of gear transmission structure according to claim 1, which is characterized in that setting at least two train of reduction gears, institute
Train of reduction gears is stated including at least 4 gears, second be driven including first gear (81), with first gear (81) same layer
Gear (82), with the third gear (83) of second gear (81) coaxial synchronous transmission, coaxially positioned with first gear (81) the
Four gears (84), third gear (83) same layer are driven the 4th gear (84), and the number of teeth of the first gear (81) is less than the second tooth
The number of teeth of (82) is taken turns, the number of teeth of third gear (83) is less than the number of teeth of the 4th gear (84).
A kind of 9. gear transmission structure according to claim 8, which is characterized in that the deceleration ratio of the train of reduction gears
Between 2-50 times.
A kind of 10. gear transmission structure according to claim 8, which is characterized in that the reduction ratio of the train of reduction gears
Example is between 5-20 times.
11. a kind of gear transmission structure according to claim 1, which is characterized in that the raising speed gear set and sliding tooth
Wheel is same to rotate.
12. a kind of gear transmission structure according to claim 1, which is characterized in that the raising speed gear set and sliding tooth
Take turns reverse phase rotation.
13. a kind of gear transmission structure according to claim 4 or 8, which is characterized in that the lower carrier gear and first
Gear engagement connection.
14. a kind of gear transmission structure according to claim 8, which is characterized in that the first gear can be folded tooth,
First gear upper strata reference diameter is more than lower floor's reference diameter.
15. according to a kind of gear transmission structure described in claim 4 or 8 or 14, which is characterized in that the lower carrier gear with
First gear upper strata connects and forms speedup structure.
16. a kind of gear transmission structure according to claim 3, which is characterized in that the Internal and external cycle of the driven gear ring is equal
It sets with teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071238.1A CN108240417A (en) | 2018-01-25 | 2018-01-25 | A kind of gear transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071238.1A CN108240417A (en) | 2018-01-25 | 2018-01-25 | A kind of gear transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108240417A true CN108240417A (en) | 2018-07-03 |
Family
ID=62698631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810071238.1A Pending CN108240417A (en) | 2018-01-25 | 2018-01-25 | A kind of gear transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108240417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206855A (en) * | 2019-06-14 | 2019-09-06 | 保定启晨传动科技有限公司 | A kind of large transmission ratio retarding method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189616511A (en) * | 1896-07-25 | 1897-07-03 | Charles Pardoe | Improvements in Velocipede Driving Mechanism. |
| CN204805491U (en) * | 2015-06-10 | 2015-11-25 | 苏上双 | Add toothed disc lever structure of establishing tooth of passing a bridge |
| CN204805443U (en) * | 2015-06-11 | 2015-11-25 | 林进谷 | Set up reverse boosting gear teeth wheel lever transmission structure |
| CN105840737A (en) * | 2015-02-03 | 2016-08-10 | 王志林 | Gear lever machine rotating through engagement driving |
-
2018
- 2018-01-25 CN CN201810071238.1A patent/CN108240417A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189616511A (en) * | 1896-07-25 | 1897-07-03 | Charles Pardoe | Improvements in Velocipede Driving Mechanism. |
| CN105840737A (en) * | 2015-02-03 | 2016-08-10 | 王志林 | Gear lever machine rotating through engagement driving |
| CN204805491U (en) * | 2015-06-10 | 2015-11-25 | 苏上双 | Add toothed disc lever structure of establishing tooth of passing a bridge |
| CN204805443U (en) * | 2015-06-11 | 2015-11-25 | 林进谷 | Set up reverse boosting gear teeth wheel lever transmission structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206855A (en) * | 2019-06-14 | 2019-09-06 | 保定启晨传动科技有限公司 | A kind of large transmission ratio retarding method and device |
| CN110206855B (en) * | 2019-06-14 | 2021-08-20 | 保定启晨传动科技有限公司 | Large-transmission-ratio speed reduction method and device |
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Application publication date: 20180703 |