CN108302167B - Transmission device for enlarging speed ratio range of gearbox - Google Patents
Transmission device for enlarging speed ratio range of gearbox Download PDFInfo
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- CN108302167B CN108302167B CN201810180578.8A CN201810180578A CN108302167B CN 108302167 B CN108302167 B CN 108302167B CN 201810180578 A CN201810180578 A CN 201810180578A CN 108302167 B CN108302167 B CN 108302167B
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- speed reducing
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/70—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
- F16H61/707—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements using only mechanical control means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model provides an enlarge transmission of gearbox speed ratio scope, wherein, including the power input shaft, power output shaft and jackshaft, establish a plurality of gear driven gears on power input shaft and the power output shaft, the gear driven gear of highest gear is established on the power input shaft, the gear driven gear of other each gears is established on the power output shaft in proper order, power output driving gear and I-shaped gear still establish on the power input shaft, power output driving gear is connected with the first gear transmission of I-shaped gear through first multistage speed reduction structure, jackshaft one end is equipped with first power output driven gear, first power output driven gear meshes with the second gear of I-shaped gear, the jackshaft other end is equipped with second power output driven gear, second power output driven gear is connected with the gear driven gear transmission of the lowest gear through second multistage speed reduction structure, still be equipped with on the jackshaft with the gear driving gear of each gear driven gear of gear except that the lowest gear corresponds the meshing on the power output shaft.
Description
Technical Field
The invention relates to the technical field of automobile transmission, in particular to a transmission device for expanding the speed ratio range of a gearbox.
Background
In use, the automobile often has special conditions, an ultralow speed reduction gear is required, the lowest gear speed ratio is expected to be more than 10, other gears are normally distributed in the range of 1-7, and meanwhile, the direct gear and intermediate gears except the ultralow speed gear can be regulated in the whole speed ratio range. To meet this requirement, the prior art often uses more gear boxes (additional auxiliary boxes), such as eight, nine, ten or even more gear boxes, whereas conventional designs of gear boxes around six are not practical. This results in high manufacturing and use costs, especially in the case of electric vehicles, because the speed range of the motor is very wide, so that the gearbox required does not require as many gears.
Disclosure of Invention
The present invention is directed to a transmission that overcomes at least one of the shortcomings of the prior art described above and provides an enlarged transmission ratio range. The invention has simple structure and convenient use, can enlarge the speed ratio range of the few-gear gearbox (six gears and below), achieves the speed ratio range of the multi-gear gearbox by using the few-gear gearbox, can meet the cost requirement, and can meet the requirement of the pure electric heavy-duty car on few gears.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an enlarge transmission of gearbox speed ratio range, wherein, including power input shaft, power output shaft and jackshaft, be equipped with a plurality of gear driven gears on power input shaft and the power output shaft, be equipped with the gear synchronizer who is used for realizing the gear shift between a plurality of gear driven gears, the gear driven gear of the highest gear in a plurality of gear driven gears is established in the one end that is close to the power output shaft on the power input shaft, the gear driven gear of each gear except for the highest gear is in order from the gear to low to, and establishes in proper order along the direction of power output on the power output shaft, the power input shaft is kept away from the power output shaft one end and is equipped with power output driving gear, the gear driven gear of the highest gear and power output driving gear are equipped with an I-gear on the power input shaft space cover between the power input shaft to guarantee that I-gear does not rotate with the power input shaft together, power output driving gear is through first multistage speed reduction structure with the first gear transmission connection of I-gear one end, the one end that the jackshaft is close to the power input shaft is equipped with first power output gear, power output driven gear and the one end that is equipped with the power output shaft is equipped with first gear, power output gear and the one end that is close to the power output shaft one end of the power output shaft is equipped with the power output from the first gear, the power output gear and the power output shaft is equipped with the power output from the lowest gear through the jack gear on the jackshaft one end that is close to the power output shaft one end with the power output gear, the highest gear is directly connected with the power input shaft to realize that the highest gear is a direct gear; the intermediate gear between the highest gear and the lowest gear is in transmission connection with the power input shaft through the intermediate shaft and the first multistage speed reduction structure, namely, compared with the highest gear, the intermediate gear is increased in speed reduction stage number and speed reduction ratio coefficient, so that the intermediate gear can meet the speed ratio requirement of a conventional same-gear gearbox; the lowest gear is in transmission connection with the power input shaft through the second multi-stage speed reduction structure, the intermediate shaft and the first multi-stage speed reduction structure, namely, after the same speed reduction stage number as that of the intermediate gear is increased, the lowest gear is also increased by one speed reduction stage number independently, and the speed reduction ratio coefficient is further increased, so that the lowest gear can meet the requirements of any ultra-low speed gear. Thus, an expansion of the speed ratio range of a few-speed gearbox (e.g., six-speed) is achieved.
In the invention, the gear condition of the transmission device comprises the following steps: the first is that the number of the gear driven gears on the power input shaft and the power output shaft is three, and the gear driven gears are respectively a three-gear driven gear arranged on the power input shaft, a two-gear driven gear and a first-gear driven gear which are sequentially arranged on the power output shaft; the number of the gear driving gears on the intermediate shaft is one, namely a second gear driving gear meshed with the second gear driven gear; the number of the gear synchronizers is two, and the gear synchronizers are respectively a first gear synchronizer arranged between the first gear driven gear and the second gear driven gear and a second gear synchronizer arranged between the second gear driven gear and the third gear driven gear.
The second is that the number of the gear driven gears on the power input shaft and the power output shaft is four, and the gear driven gears are respectively a four-gear driven gear arranged on the power input shaft, a three-gear driven gear, a two-gear driven gear and a first-gear driven gear which are sequentially arranged on the power output shaft; the number of the gear driving gears on the intermediate shaft is two, and the gear driving gears are respectively a three-gear driving gear and a two-gear driving gear which are meshed with the three-gear driven gear and the two-gear driven gear; the number of the gear synchronizers is two, and the gear synchronizers are respectively a first gear synchronizer arranged between the first gear driven gear and the second gear driven gear and a second gear synchronizer arranged between the third gear driven gear and the fourth gear driven gear.
The third is that the number of the gear driven gears on the power input shaft and the power output shaft is five, and the gear driven gears are respectively a five-gear driven gear arranged on the power input shaft, a four-gear driven gear, a three-gear driven gear, a two-gear driven gear and a first-gear driven gear which are sequentially arranged on the power output shaft; the number of the gear driving gears on the intermediate shaft is three, and the gear driving gears are respectively a four-gear driving gear, a three-gear driving gear and a two-gear driving gear which are meshed with the four-gear driven gear, the three-gear driven gear and the two-gear driven gear; the number of the gear synchronizers is three, and the gear synchronizers are respectively a first gear synchronizer arranged between the first gear driven gear and the second gear driven gear, a second gear synchronizer arranged between the third gear driven gear and the fourth gear driven gear and a third gear synchronizer arranged between the fifth gear driven gear and the I-shaped gear.
The fourth is that the number of the gear driven gears on the power input shaft and the power output shaft is six, and the six gear driven gears on the power input shaft, the five gear driven gears, the four gear driven gears, the three gear driven gears, the two gear driven gears and the first gear driven gears are respectively arranged on the power output shaft in sequence; the number of the gear driving gears on the intermediate shaft is four, and the gear driving gears are respectively a five-gear driving gear, a four-gear driving gear, a three-gear driving gear and a two-gear driving gear which are meshed with the five-gear driven gear, the four-gear driven gear, the three-gear driven gear and the two-gear driven gear; the number of the gear synchronizers is three, and the gear synchronizers are respectively a first gear synchronizer arranged between the first gear driven gear and the second gear driven gear, a second gear synchronizer arranged between the third gear driven gear and the fourth gear driven gear and a third gear synchronizer arranged between the fifth gear driven gear and the sixth gear driven gear.
In the present invention, the number of deceleration stages of the first multi-stage deceleration structure and the second multi-stage deceleration structure includes the following cases: the first multi-stage speed reducing structure is a one-stage speed reducing structure and comprises a first one-stage speed reducing shaft, wherein one end of the first one-stage speed reducing shaft, which is close to the power output driving gear, is provided with a first one-stage speed reducing driven gear I, the other end of the first one-stage speed reducing shaft is provided with a first one-stage speed reducing driven gear II, the first one-stage speed reducing driven gear I is meshed with the power output driving gear, and the first one-stage speed reducing driven gear II is meshed with a first gear on the I-shaped gear; the second multistage speed reduction structure is a two-stage speed reduction structure, and comprises a second primary speed reduction shaft and a second secondary speed reduction shaft, wherein the second primary speed reduction shaft is close to one end of the second power output driven gear is provided with a second primary speed reduction driven gear I, the other end of the second primary speed reduction shaft is provided with a second primary speed reduction driven gear II, the second secondary speed reduction shaft is close to one end of the second primary speed reduction driven gear II is provided with a second secondary speed reduction driven gear I, the other end of the second secondary speed reduction shaft is provided with a second secondary speed reduction driven gear II, the second primary speed reduction driven gear I is meshed with the second power output driven gear I, and the second secondary speed reduction driven gear II is meshed with the first-gear driven gear.
The second one is that the first multi-stage speed reducing structure is a one-stage speed reducing structure and comprises a first one-stage speed reducing shaft, one end of the first one-stage speed reducing shaft, which is close to the power output driving gear, is provided with a first one-stage speed reducing driven gear I, the other end of the first one-stage speed reducing shaft is provided with a first one-stage speed reducing driven gear II, the first one-stage speed reducing driven gear I is meshed with the power output driving gear, and the first one-stage speed reducing driven gear II is meshed with a first gear on the I-shaped gear; the multistage speed reducing structure of second is tertiary speed reducing structure, including second one-level speed reducing shaft, second two-level speed reducing shaft and the tertiary speed reducing shaft of second, second one-level speed reducing shaft be close to the one end of second power take off driven gear is equipped with second one-level speed reducing driven gear I, and the other end is equipped with second one-level speed reducing driven gear II, second two-level speed reducing shaft is close to second one-level speed reducing driven gear II's one end is equipped with second two-level speed reducing driven gear I, and the other end is equipped with second three-level speed reducing driven gear II, second one-level speed reducing driven gear I with second power take off driven gear meshes mutually, second one-level speed reducing driven gear II mesh mutually with second three-level speed reducing driven gear I, second three-level speed reducing driven gear II mesh mutually with first one-level driven gear.
The third one is that the first multi-stage speed reducing structure is a two-stage speed reducing structure and comprises a first one-stage speed reducing shaft and a first two-stage speed reducing shaft, wherein one end of the first one-stage speed reducing shaft, which is close to the power output driving gear, is provided with a first one-stage speed reducing driven gear I, the other end of the first one-stage speed reducing shaft, which is close to the first one-stage speed reducing driven gear II, is provided with a first two-stage speed reducing driven gear I, the other end of the first one-stage speed reducing shaft is provided with a first two-stage speed reducing driven gear II, the first one-stage speed reducing driven gear I is meshed with the power output driving gear, the first one-stage speed reducing driven gear II is meshed with a first gear on the I-shaped gear; the second multistage speed reduction structure is a two-stage speed reduction structure, and comprises a second primary speed reduction shaft and a second secondary speed reduction shaft, wherein the second primary speed reduction shaft is close to one end of the second power output driven gear is provided with a second primary speed reduction driven gear I, the other end of the second primary speed reduction shaft is provided with a second primary speed reduction driven gear II, the second secondary speed reduction shaft is close to one end of the second primary speed reduction driven gear II is provided with a second secondary speed reduction driven gear I, the other end of the second secondary speed reduction shaft is provided with a second secondary speed reduction driven gear II, the second primary speed reduction driven gear I is meshed with the second power output driven gear I, and the second secondary speed reduction driven gear II is meshed with the first-gear driven gear.
The fourth is that the first multi-stage speed reducing structure is a two-stage speed reducing structure and comprises a first one-stage speed reducing shaft and a first two-stage speed reducing shaft, wherein one end of the first one-stage speed reducing shaft, which is close to the power output driving gear, is provided with a first one-stage speed reducing driven gear I, the other end of the first one-stage speed reducing shaft, which is close to the first one-stage speed reducing driven gear II, is provided with a first two-stage speed reducing driven gear I, the other end of the first one-stage speed reducing shaft is provided with a first two-stage speed reducing driven gear II, the first one-stage speed reducing driven gear I is meshed with the power output driving gear, the first one-stage speed reducing driven gear II is meshed with a first gear on the I-shaped gear; the multistage speed reducing structure of second is tertiary speed reducing structure, including second one-level speed reducing shaft, second two-level speed reducing shaft and the tertiary speed reducing shaft of second, second one-level speed reducing shaft be close to the one end of second power take off driven gear is equipped with second one-level speed reducing driven gear I, and the other end is equipped with second one-level speed reducing driven gear II, second two-level speed reducing shaft is close to second one-level speed reducing driven gear II's one end is equipped with second two-level speed reducing driven gear I, and the other end is equipped with second three-level speed reducing driven gear II, second one-level speed reducing driven gear I with second power take off driven gear meshes mutually, second one-level speed reducing driven gear II mesh mutually with second three-level speed reducing driven gear I, second three-level speed reducing driven gear II mesh mutually with first one-level driven gear.
The fifth one is that the first multi-stage reduction structure is a three-stage reduction structure and comprises a first primary reduction shaft, a first secondary reduction shaft and a first tertiary reduction shaft, wherein one end of the first primary reduction shaft, which is close to the power output driving gear, is provided with a first primary reduction driven gear I, the other end of the first secondary reduction shaft, which is close to the first primary reduction driven gear II, is provided with a first secondary reduction driven gear I, the other end of the first secondary reduction shaft, which is close to the first secondary reduction driven gear II, is provided with a first tertiary reduction driven gear I, the other end of the first tertiary reduction shaft, which is close to the first secondary reduction driven gear II, is provided with a first tertiary reduction driven gear II, the first primary reduction driven gear I is meshed with the power output driving gear, the first primary reduction driven gear II is meshed with the first secondary reduction driven gear I, and the first tertiary reduction driven gear II is meshed with the first gear on the I gear; the multistage speed reducing structure of second is tertiary speed reducing structure, including second one-level speed reducing shaft, second two-level speed reducing shaft and the tertiary speed reducing shaft of second, second one-level speed reducing shaft be close to the one end of second power take off driven gear is equipped with second one-level speed reducing driven gear I, and the other end is equipped with second one-level speed reducing driven gear II, second two-level speed reducing shaft is close to second one-level speed reducing driven gear II's one end is equipped with second two-level speed reducing driven gear I, and the other end is equipped with second three-level speed reducing driven gear II, second one-level speed reducing driven gear I with second power take off driven gear meshes mutually, second one-level speed reducing driven gear II mesh mutually with second three-level speed reducing driven gear I, second three-level speed reducing driven gear II mesh mutually with first one-level driven gear.
Of course, the number of reduction stages of the first multi-stage reduction structure and the second multi-stage reduction structure is not limited to the above-described five cases, and the number of reduction stages of the first multi-stage reduction structure and the second multi-stage reduction structure may be appropriately increased or decreased according to the range of reduction ratios actually required by the transmission.
Compared with the prior art, the invention has the following beneficial effects:
The invention directly connects the highest gear with the power input shaft, the middle gear is connected with the power input shaft in a transmission way through the middle shaft and the first multi-stage speed reducing structure, and the lowest gear is connected with the power input shaft in a transmission way through the second multi-stage speed reducing structure, the middle shaft and the first multi-stage speed reducing structure, so that the speed ratio range of a few-gear gearbox (six gears and below) is greatly enlarged, the requirement of any ultra-low speed is met, the highest gear is still a direct gear, the middle gear between the highest gear and the ultra-low speed is ensured to be capable of meeting the speed ratio requirement of a conventional same-gear gearbox, the middle gear speed ratio and range between the highest gear and the ultra-low speed are ensured to be adjustable to the high-speed end, the speed ratio range of the multi-gear gearbox is also adjustable to the ultra-low-speed end, the cost requirement is met, and the requirement of the few gears of a pure electric heavy-duty car is met.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of embodiment 2 of the present invention.
Fig. 3 is a schematic structural view of embodiment 3 of the present invention.
Fig. 4 is a schematic structural view of embodiment 4 of the present invention.
Fig. 5 is a schematic structural view of embodiment 5 of the present invention.
Fig. 6 is a schematic structural view of embodiment 6 of the present invention.
Fig. 7 is a schematic structural view of embodiment 7 of the present invention.
Fig. 8 is a schematic structural view of embodiment 8 of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
Example 1
As shown in fig. 1, the transmission device for expanding the speed ratio range of the gearbox is characterized by comprising a power input shaft 1, a power output shaft 2 and an intermediate shaft 3, wherein a plurality of gear driven gears are arranged on the power input shaft 1 and the power output shaft 2, a gear synchronizer for realizing gear shifting is arranged between the gear driven gears, the gear driven gear of the highest gear among the gear driven gears is arranged at one end, close to the power output shaft 2, of the power input shaft 1, the gear driven gears of all gears except the highest gear are sequentially arranged on the power output shaft 2 from high to low in gear order along the direction of power output, one end, far away from the power output shaft 2, of the power input shaft 1 is provided with a power output driving gear 4, a first I-shaped gear 5 is sleeved on the power input shaft 1 between the gear driven gear of the highest gear and the power output driving gear 4, the power output driving gear 4 is in transmission connection with a first gear 51 at one end of the I-shaped gear 5 through a first multi-stage speed reducing structure, the intermediate shaft 3 is provided with a power output driving gear 6 at one end, close to the power output shaft 6 is meshed with a second driven gear 6 at the other end, which is meshed with the first output shaft 7, the driven gear is arranged at the other end of the first output shaft 6, and the driven gear is meshed with the first output gear 2 at the other end of the power output shaft 2 through the first output gear 6, and a gear driving gear which is meshed with the gear driven gears of all the gears except the lowest gear on the power output shaft 2 in a one-to-one correspondence manner is arranged on the intermediate shaft 3 between the first power output driven gear 6 and the second power output driven gear 7. Thus, the highest gear is directly connected with the power input shaft 1, so that the highest gear is a direct gear; the intermediate gear between the highest gear and the lowest gear is in transmission connection with the power input shaft 1 through the intermediate shaft 3 and the first multistage speed reduction structure, that is, compared with the highest gear, the intermediate gear is increased in speed reduction stage number and speed reduction ratio coefficient, so that the intermediate gear can meet the speed ratio requirement of a conventional same-gear gearbox; the lowest gear is in transmission connection with the power input shaft 1 through the second multi-stage reduction structure, the intermediate shaft 3 and the first multi-stage reduction structure, that is, after the same reduction stage number as that of the intermediate gear is added, the lowest gear is also independently added with one reduction stage number, and the reduction ratio coefficient is further increased, so that the lowest gear can meet the requirements of any ultra-low speed gear. Thus, an expansion of the speed ratio range of a few gear transmission such as a six gear transmission is achieved.
As shown in fig. 1, the number of the gear driven gears on the power input shaft 1 and the power output shaft 2 is three, namely a third-gear driven gear 8 arranged on the power input shaft 1, and a second-gear driven gear 9 and a first-gear driven gear 10 which are sequentially arranged on the power output shaft 2; the number of the gear driving gears on the intermediate shaft 3 is one, namely a second gear driving gear 11 meshed with the second gear driven gear 9; the number of the gear synchronizers is two, namely a first gear synchronizer 12 arranged between the first gear driven gear 10 and the second gear driven gear 9 and a second gear synchronizer 13 arranged between the second gear driven gear 9 and the third gear driven gear 8.
As shown in fig. 1, the first multi-stage reduction structure is a one-stage reduction structure and comprises a first one-stage reduction shaft 21, one end of the first one-stage reduction shaft 21, which is close to the power output driving gear 4, is provided with a first one-stage reduction driven gear I22, the other end of the first one-stage reduction shaft is provided with a first one-stage reduction driven gear II23, the first one-stage reduction driven gear I22 is meshed with the power output driving gear 4, and the first one-stage reduction driven gear II23 is meshed with a first gear 51 on the I-gear 5; the second multistage speed reduction structure is a two-stage speed reduction structure and comprises a second primary speed reduction shaft 24 and a second secondary speed reduction shaft 25, one end of the second primary speed reduction shaft 24, which is close to the second power output driven gear 7, is provided with a second primary speed reduction driven gear I26, the other end of the second primary speed reduction shaft is provided with a second primary speed reduction driven gear II27, one end of the second secondary speed reduction shaft 25, which is close to the second primary speed reduction driven gear II27, is provided with a second secondary speed reduction driven gear I28, the other end of the second secondary speed reduction shaft is provided with a second secondary speed reduction driven gear II29, the second primary speed reduction driven gear I26 is meshed with the second power output driven gear 7, the second primary speed reduction driven gear II27 is meshed with the second secondary speed reduction driven gear I28, and the second secondary speed reduction driven gear II29 is meshed with the first-stage driven gear 10.
Example 2
This embodiment is similar to embodiment 1, and differs from embodiment 1 in that, as shown in fig. 2, the number of the gear driven gears on the power input shaft 1 and the power output shaft 2 is four, and the four gear driven gears 14 provided on the power input shaft 1, and the three gear driven gear 8, the two gear driven gear 9 and the first gear driven gear 10 provided on the power output shaft 2 in sequence are respectively; the number of the gear driving gears on the intermediate shaft 3 is two, and the gear driving gears are a third gear driving gear 15 and a second gear driving gear 11 which are meshed with the third gear driven gear 8 and the second gear driven gear 9 respectively; the number of the gear synchronizers is two, namely a first gear synchronizer 12 arranged between the first gear driven gear 10 and the second gear driven gear 9 and a second gear synchronizer 13 arranged between the third gear driven gear 8 and the fourth gear driven gear 14. Other structures and operation principles of this embodiment are the same as those of embodiment 1.
Example 3
This embodiment is similar to embodiment 1, but differs in that, as shown in fig. 3, the number of the gear driven gears on the power input shaft 1 and the power output shaft 2 is five, and the gear driven gears are respectively a five-gear driven gear 16 provided on the power input shaft 1, and a four-gear driven gear 14, a three-gear driven gear 8, a two-gear driven gear 9 and a first-gear driven gear 10 provided on the power output shaft 2 in sequence; the number of the gear driving gears on the intermediate shaft 3 is three, and the gear driving gears are respectively a four-gear driving gear 17, a three-gear driving gear 15 and a two-gear driving gear 11 which are meshed with the four-gear driven gear 14, the three-gear driven gear 8 and the two-gear driven gear 9; the number of the gear synchronizers is three, namely a first gear synchronizer 12 arranged between the first gear driven gear 10 and the second gear driven gear 9, a second gear synchronizer 13 arranged between the third gear driven gear 8 and the fourth gear driven gear 14 and a third gear synchronizer 18 arranged between the fifth gear driven gear 16 and the I-shaped gear 5. Other structures and operation principles of this embodiment are the same as those of embodiment 1.
Example 4
This embodiment is similar to embodiment 1, but differs in that, as shown in fig. 4, the number of the gear driven gears on the power input shaft 1 and the power output shaft 2 is six, and the gear driven gears are respectively a six-gear driven gear 19 provided on the power input shaft 1, and a five-gear driven gear 16, a four-gear driven gear 14, a three-gear driven gear 8, a two-gear driven gear 9 and a first-gear driven gear 10 provided on the power output shaft 2 in sequence; the number of the gear driving gears on the intermediate shaft 3 is four, and the gear driving gears are a five-gear driving gear 20, a four-gear driving gear 17, a three-gear driving gear 15 and a two-gear driving gear 11 which are meshed with the five-gear driven gear 16, the four-gear driven gear 14, the three-gear driven gear 8 and the two-gear driven gear 9 respectively; the number of the gear synchronizers is three, namely a first gear synchronizer 12 arranged between the first gear driven gear 10 and the second gear driven gear 9, a second gear synchronizer 13 arranged between the third gear driven gear 8 and the fourth gear driven gear 14 and a third gear synchronizer 18 arranged between the fifth gear driven gear 16 and the sixth gear driven gear 19. Other structures and operation principles of this embodiment are the same as those of embodiment 1.
Example 5
The difference between this embodiment and embodiment 4 is that, as shown in fig. 5, the first multi-stage reduction structure is a one-stage reduction structure, and includes a first one-stage reduction shaft 21, one end of the first one-stage reduction shaft 21, which is close to the power output driving gear 4, is provided with a first one-stage reduction driven gear I22, the other end is provided with a first one-stage reduction driven gear II23, the first one-stage reduction driven gear I22 is meshed with the power output driving gear 4, and the first one-stage reduction driven gear II23 is meshed with the first gear 51 on the I-gear 5; the second multistage speed reducing structure is a three-stage speed reducing structure and comprises a second primary speed reducing shaft 24, a second secondary speed reducing shaft 25 and a second tertiary speed reducing shaft 30, one end of the second primary speed reducing shaft 24, which is close to the second power output driven gear 7, is provided with a second primary speed reducing driven gear I26, the other end of the second primary speed reducing shaft is provided with a second primary speed reducing driven gear II27, one end of the second secondary speed reducing shaft 25, which is close to the second primary speed reducing driven gear II27, is provided with a second secondary speed reducing driven gear I28, the other end of the second secondary speed reducing shaft is provided with a second tertiary speed reducing driven gear II29, one end of the second tertiary speed reducing shaft 30, which is close to the second secondary speed reducing driven gear II29, is provided with a second tertiary speed reducing driven gear I31, the other end of the second primary speed reducing driven gear I26 is meshed with the second power output driven gear 7, the second primary speed reducing driven gear II27 is meshed with the second secondary speed reducing driven gear I28, the second secondary speed reducing driven gear II29 is meshed with the second tertiary speed reducing driven gear I31, and the second tertiary speed reducing driven gear II32 is meshed with the first driven gear 10. Other structures and operation principles of this embodiment are the same as those of embodiment 4.
Example 6
The difference between this embodiment and embodiment 4 is that, as shown in fig. 6, the first multi-stage reduction structure is a two-stage reduction structure, and includes a first primary reduction shaft 21 and a first secondary reduction shaft 33, one end of the first primary reduction shaft 21, which is close to the power output driving gear 4, is provided with a first primary reduction driven gear I22, the other end is provided with a first primary reduction driven gear II23, one end of the first secondary reduction shaft 33, which is close to the first primary reduction driven gear II23, is provided with a first secondary reduction driven gear I34, the other end is provided with a first secondary reduction driven gear II35, the first primary reduction driven gear I22 is meshed with the power output driving gear 4, the first primary reduction driven gear II23 is meshed with the first secondary reduction driven gear I34, and the first secondary reduction driven gear II35 is meshed with the first gear 51 on the I-shaped gear 5; the second multistage speed reduction structure is a two-stage speed reduction structure and comprises a second primary speed reduction shaft 24 and a second secondary speed reduction shaft 25, one end of the second primary speed reduction shaft 24, which is close to the second power output driven gear 7, is provided with a second primary speed reduction driven gear I26, the other end of the second primary speed reduction shaft is provided with a second primary speed reduction driven gear II27, one end of the second secondary speed reduction shaft 25, which is close to the second primary speed reduction driven gear II27, is provided with a second secondary speed reduction driven gear I28, the other end of the second secondary speed reduction shaft is provided with a second secondary speed reduction driven gear II29, the second primary speed reduction driven gear I26 is meshed with the second power output driven gear 7, the second primary speed reduction driven gear II27 is meshed with the second secondary speed reduction driven gear I28, and the second secondary speed reduction driven gear II29 is meshed with the first-stage driven gear 10. Other structures and operation principles of this embodiment are the same as those of embodiment 4.
Example 7
The difference between this embodiment and embodiment 4 is that, as shown in fig. 7, the first multi-stage reduction structure is a two-stage reduction structure, and includes a first primary reduction shaft 21 and a first secondary reduction shaft 33, one end of the first primary reduction shaft 21, which is close to the power output driving gear 4, is provided with a first primary reduction driven gear I22, the other end is provided with a first primary reduction driven gear II23, one end of the first secondary reduction shaft 33, which is close to the first primary reduction driven gear II23, is provided with a first secondary reduction driven gear I34, the other end is provided with a first secondary reduction driven gear II35, the first primary reduction driven gear I22 is meshed with the power output driving gear 4, the first primary reduction driven gear II23 is meshed with the first secondary reduction driven gear I34, and the first secondary reduction driven gear II35 is meshed with the first gear 51 on the I-shaped gear 5; the second multistage speed reducing structure is a three-stage speed reducing structure and comprises a second primary speed reducing shaft 24, a second secondary speed reducing shaft 25 and a second tertiary speed reducing shaft 30, one end of the second primary speed reducing shaft 24, which is close to the second power output driven gear 7, is provided with a second primary speed reducing driven gear I26, the other end of the second primary speed reducing shaft is provided with a second primary speed reducing driven gear II27, one end of the second secondary speed reducing shaft 25, which is close to the second primary speed reducing driven gear II27, is provided with a second secondary speed reducing driven gear I28, the other end of the second secondary speed reducing shaft is provided with a second tertiary speed reducing driven gear II29, one end of the second tertiary speed reducing shaft 30, which is close to the second secondary speed reducing driven gear II29, is provided with a second tertiary speed reducing driven gear I31, the other end of the second primary speed reducing driven gear I26 is meshed with the second power output driven gear 7, the second primary speed reducing driven gear II27 is meshed with the second secondary speed reducing driven gear I28, the second secondary speed reducing driven gear II29 is meshed with the second tertiary speed reducing driven gear I31, and the second tertiary speed reducing driven gear II32 is meshed with the first driven gear 10. Other structures and operation principles of this embodiment are the same as those of embodiment 4.
Example 8
The difference between this embodiment and embodiment 4 is that, as shown in fig. 8, the first multi-stage reduction structure is a three-stage reduction structure, which includes a first primary reduction shaft 21, a first secondary reduction shaft 33 and a first tertiary reduction shaft 36, one end of the first primary reduction shaft 21, which is close to the power output driving gear 4, is provided with a first primary reduction driven gear I22, the other end is provided with a first primary reduction driven gear II23, one end of the first secondary reduction shaft 33, which is close to the first primary reduction driven gear II23, is provided with a first secondary reduction driven gear I34, the other end is provided with a first secondary reduction driven gear II35, one end of the first tertiary reduction shaft 36, which is close to the first secondary reduction driven gear II35, is provided with a first tertiary reduction driven gear I37, the other end is provided with a first tertiary reduction driven gear II38, the first primary reduction driven gear I22 is meshed with the power output driving gear 4, the first primary reduction driven gear II23 is meshed with the first secondary reduction driven gear I34, the first secondary reduction driven gear II35 is meshed with the first tertiary reduction driven gear I37, and the first reduction driven gear II is meshed with the first I-shaped gear I51; the second multistage speed reducing structure is a three-stage speed reducing structure and comprises a second primary speed reducing shaft 24, a second secondary speed reducing shaft 25 and a second tertiary speed reducing shaft 30, one end of the second primary speed reducing shaft 24, which is close to the second power output driven gear 7, is provided with a second primary speed reducing driven gear I26, the other end of the second primary speed reducing shaft is provided with a second primary speed reducing driven gear II27, one end of the second secondary speed reducing shaft 25, which is close to the second primary speed reducing driven gear II27, is provided with a second secondary speed reducing driven gear I28, the other end of the second secondary speed reducing shaft is provided with a second tertiary speed reducing driven gear II29, one end of the second tertiary speed reducing shaft 30, which is close to the second secondary speed reducing driven gear II29, is provided with a second tertiary speed reducing driven gear I31, the other end of the second primary speed reducing driven gear I26 is meshed with the second power output driven gear 7, the second primary speed reducing driven gear II27 is meshed with the second secondary speed reducing driven gear I28, the second secondary speed reducing driven gear II29 is meshed with the second tertiary speed reducing driven gear I31, and the second tertiary speed reducing driven gear II32 is meshed with the first driven gear 10. Other structures and operation principles of this embodiment are the same as those of embodiment 4.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (5)
1. The transmission device for expanding the speed ratio range of the gearbox is characterized by comprising a power input shaft (1), a power output shaft (2) and an intermediate shaft (3), wherein a plurality of gear driven gears are arranged on the power input shaft (1) and the power output shaft (2), a gear synchronizer for realizing gear shifting is arranged between the gear driven gears, the gear driven gear of the highest gear among the gear driven gears is arranged at one end, close to the power output shaft (2), of the power input shaft (1), of each gear except the highest gear, the gear driven gears are sequentially arranged on the power output shaft (2) along the direction of power output from high to low, one end, far away from the power output shaft (2), of the power input shaft (1) is provided with a power output driving gear (4), an I-shaped gear (5) is sleeved on the power input shaft (1) between the gear of the highest gear and the power output driving gear (4), the I-shaped gear driving gear (4) is meshed with the I-shaped gear (5) at one end, close to the power output driving gear (6) of the first end (6) of the power input driving gear (6) through a first speed reducing structure, the I-shaped gear (5) is meshed with the I gear (5) at the other end, the other end (6) of the power output driving gear is meshed with the I gear (6), a second power output driven gear (7) is arranged at one end, close to the power output shaft (2), of the intermediate shaft (3), the second power output driven gear (7) is in transmission connection with a gear driven gear of the lowest gear on the power output shaft (2) through a second multistage speed reduction structure, and gear driving gears which are meshed with the gear driven gears of all gears except the lowest gear on the power output shaft (2) in one-to-one correspondence are arranged on the intermediate shaft (3) between the first power output driven gear (6) and the second power output driven gear (7); the gear driven gear of the lowest gear is a first gear driven gear (10);
The first multi-stage speed reducing structure is a one-stage speed reducing structure and comprises a first one-stage speed reducing shaft (21), one end of the first one-stage speed reducing shaft (21) close to the power output driving gear (4) is provided with a first one-stage speed reducing driven gear I (22), the other end of the first one-stage speed reducing shaft is provided with a first one-stage speed reducing driven gear II (23), the first one-stage speed reducing driven gear I (22) is meshed with the power output driving gear (4), and the first one-stage speed reducing driven gear II (23) is meshed with a first gear (51) on the I-shaped gear (5); the second multistage speed reduction structure is a two-stage speed reduction structure, and comprises a second one-stage speed reduction shaft (24) and a second two-stage speed reduction shaft (25), wherein the second one-stage speed reduction shaft (24) is close to one end of a second power output driven gear (7) is provided with a second one-stage speed reduction driven gear I (26), the other end of the second one-stage speed reduction shaft is provided with a second one-stage speed reduction driven gear II (27), one end of the second two-stage speed reduction shaft (25) is close to the second one-stage speed reduction driven gear II (27) is provided with a second two-stage speed reduction driven gear I (28), the other end of the second one-stage speed reduction driven gear II (29), the second one-stage speed reduction driven gear I (26) is meshed with the second power output driven gear I (28), and the second one-stage speed reduction driven gear II (29) is meshed with the first-stage driven gear (10).
2. The transmission device for expanding the speed ratio range of the gearbox is characterized by comprising a power input shaft (1), a power output shaft (2) and an intermediate shaft (3), wherein a plurality of gear driven gears are arranged on the power input shaft (1) and the power output shaft (2), a gear synchronizer for realizing gear shifting is arranged between the gear driven gears, the gear driven gear of the highest gear among the gear driven gears is arranged at one end, close to the power output shaft (2), of the power input shaft (1), of each gear except the highest gear, the gear driven gears are sequentially arranged on the power output shaft (2) along the direction of power output from high to low, one end, far away from the power output shaft (2), of the power input shaft (1) is provided with a power output driving gear (4), an I-shaped gear (5) is sleeved on the power input shaft (1) between the gear of the highest gear and the power output driving gear (4), the I-shaped gear driving gear (4) is meshed with the I-shaped gear (5) at one end, close to the power output driving gear (6) of the first end (6) of the power input driving gear (6) through a first speed reducing structure, the I-shaped gear (5) is meshed with the I gear (5) at the other end, the other end (6) of the power output driving gear is meshed with the I gear (6), a second power output driven gear (7) is arranged at one end, close to the power output shaft (2), of the intermediate shaft (3), the second power output driven gear (7) is in transmission connection with a gear driven gear of the lowest gear on the power output shaft (2) through a second multistage speed reduction structure, and gear driving gears which are meshed with the gear driven gears of all gears except the lowest gear on the power output shaft (2) in one-to-one correspondence are arranged on the intermediate shaft (3) between the first power output driven gear (6) and the second power output driven gear (7); the gear driven gear of the lowest gear is a first gear driven gear (10);
The first multi-stage speed reducing structure is a one-stage speed reducing structure and comprises a first one-stage speed reducing shaft (21), one end of the first one-stage speed reducing shaft (21) close to the power output driving gear (4) is provided with a first one-stage speed reducing driven gear I (22), the other end of the first one-stage speed reducing shaft is provided with a first one-stage speed reducing driven gear II (23), the first one-stage speed reducing driven gear I (22) is meshed with the power output driving gear (4), and the first one-stage speed reducing driven gear II (23) is meshed with a first gear (51) on the I-shaped gear (5); the multistage speed reducing structure of second is tertiary speed reducing structure, including second one-level speed reducing axle (24), second two-level speed reducing axle (25) and tertiary speed reducing axle of second (30), second one-level speed reducing axle (24) is close to the one end of second power take off driven gear (7) is equipped with second one-level speed reducing driven gear I (26), and the other end is equipped with second one-level speed reducing driven gear II (27), second two-level speed reducing axle (25) is close to the one end of second one-level speed reducing driven gear II (27) is equipped with second two-level speed reducing driven gear I (28), and the other end is equipped with second two-level speed reducing driven gear II (29), second three-level speed reducing axle (30) is close to the one end of second two-level speed reducing driven gear II (29) is equipped with tertiary speed reducing driven gear I (31), and the other end is equipped with tertiary speed reducing driven gear II (32), second one-level speed reducing driven gear I (26) with second power take off driven gear II (7) looks meshing, second one-level speed reducing driven gear II (27) with second two-level speed reducing driven gear I (28) looks meshing, second two-level speed reducing driven gear II (28) looks, second two-level speed reducing driven gear II (29) looks meshing.
3. The transmission device for expanding the speed ratio range of the gearbox is characterized by comprising a power input shaft (1), a power output shaft (2) and an intermediate shaft (3), wherein a plurality of gear driven gears are arranged on the power input shaft (1) and the power output shaft (2), a gear synchronizer for realizing gear shifting is arranged between the gear driven gears, the gear driven gear of the highest gear among the gear driven gears is arranged at one end, close to the power output shaft (2), of the power input shaft (1), of each gear except the highest gear, the gear driven gears are sequentially arranged on the power output shaft (2) along the direction of power output from high to low, one end, far away from the power output shaft (2), of the power input shaft (1) is provided with a power output driving gear (4), an I-shaped gear (5) is sleeved on the power input shaft (1) between the gear of the highest gear and the power output driving gear (4), the I-shaped gear driving gear (4) is meshed with the I-shaped gear (5) at one end, close to the power output driving gear (6) of the first end (6) of the power input driving gear (6) through a first speed reducing structure, the I-shaped gear (5) is meshed with the I gear (5) at the other end, the other end (6) of the power output driving gear is meshed with the I gear (6), a second power output driven gear (7) is arranged at one end, close to the power output shaft (2), of the intermediate shaft (3), the second power output driven gear (7) is in transmission connection with a gear driven gear of the lowest gear on the power output shaft (2) through a second multistage speed reduction structure, and gear driving gears which are meshed with the gear driven gears of all gears except the lowest gear on the power output shaft (2) in one-to-one correspondence are arranged on the intermediate shaft (3) between the first power output driven gear (6) and the second power output driven gear (7); the gear driven gear of the lowest gear is a first gear driven gear (10);
The first multi-stage speed reducing structure is a two-stage speed reducing structure and comprises a first one-stage speed reducing shaft (21) and a first two-stage speed reducing shaft (33), one end of the first one-stage speed reducing shaft (21) close to the power output driving gear (4) is provided with a first one-stage speed reducing driven gear I (22), the other end of the first one-stage speed reducing shaft (33) close to the first one-stage speed reducing driven gear II (23) is provided with a first two-stage speed reducing driven gear I (34), the other end of the first two-stage speed reducing shaft is provided with a first two-stage speed reducing driven gear II (35), the first one-stage speed reducing driven gear I (22) is meshed with the power output driving gear I (34), and the first one-stage speed reducing driven gear II (35) is meshed with a first gear (51) on the I-shaped gear (5); the second multistage speed reduction structure is a two-stage speed reduction structure, and comprises a second one-stage speed reduction shaft (24) and a second two-stage speed reduction shaft (25), wherein the second one-stage speed reduction shaft (24) is close to one end of a second power output driven gear (7) is provided with a second one-stage speed reduction driven gear I (26), the other end of the second one-stage speed reduction shaft is provided with a second one-stage speed reduction driven gear II (27), one end of the second two-stage speed reduction shaft (25) is close to the second one-stage speed reduction driven gear II (27) is provided with a second two-stage speed reduction driven gear I (28), the other end of the second one-stage speed reduction driven gear II (29), the second one-stage speed reduction driven gear I (26) is meshed with the second power output driven gear I (28), and the second one-stage speed reduction driven gear II (29) is meshed with the first-stage driven gear (10).
4. The transmission device for expanding the speed ratio range of the gearbox is characterized by comprising a power input shaft (1), a power output shaft (2) and an intermediate shaft (3), wherein a plurality of gear driven gears are arranged on the power input shaft (1) and the power output shaft (2), a gear synchronizer for realizing gear shifting is arranged between the gear driven gears, the gear driven gear of the highest gear among the gear driven gears is arranged at one end, close to the power output shaft (2), of the power input shaft (1), of each gear except the highest gear, the gear driven gears are sequentially arranged on the power output shaft (2) along the direction of power output from high to low, one end, far away from the power output shaft (2), of the power input shaft (1) is provided with a power output driving gear (4), an I-shaped gear (5) is sleeved on the power input shaft (1) between the gear of the highest gear and the power output driving gear (4), the I-shaped gear driving gear (4) is meshed with the I-shaped gear (5) at one end, close to the power output driving gear (6) of the first end (6) of the power input driving gear (6) through a first speed reducing structure, the I-shaped gear (5) is meshed with the I gear (5) at the other end, the other end (6) of the power output driving gear is meshed with the I gear (6), a second power output driven gear (7) is arranged at one end, close to the power output shaft (2), of the intermediate shaft (3), the second power output driven gear (7) is in transmission connection with a gear driven gear of the lowest gear on the power output shaft (2) through a second multistage speed reduction structure, and gear driving gears which are meshed with the gear driven gears of all gears except the lowest gear on the power output shaft (2) in one-to-one correspondence are arranged on the intermediate shaft (3) between the first power output driven gear (6) and the second power output driven gear (7); the gear driven gear of the lowest gear is a first gear driven gear (10);
The first multi-stage speed reducing structure is a two-stage speed reducing structure and comprises a first one-stage speed reducing shaft (21) and a first two-stage speed reducing shaft (33), one end of the first one-stage speed reducing shaft (21) close to the power output driving gear (4) is provided with a first one-stage speed reducing driven gear I (22), the other end of the first one-stage speed reducing shaft (33) close to the first one-stage speed reducing driven gear II (23) is provided with a first two-stage speed reducing driven gear I (34), the other end of the first two-stage speed reducing shaft is provided with a first two-stage speed reducing driven gear II (35), the first one-stage speed reducing driven gear I (22) is meshed with the power output driving gear I (34), and the first one-stage speed reducing driven gear II (35) is meshed with a first gear (51) on the I-shaped gear (5); the multistage speed reducing structure of second is tertiary speed reducing structure, including second one-level speed reducing axle (24), second two-level speed reducing axle (25) and tertiary speed reducing axle of second (30), second one-level speed reducing axle (24) is close to the one end of second power take off driven gear (7) is equipped with second one-level speed reducing driven gear I (26), and the other end is equipped with second one-level speed reducing driven gear II (27), second two-level speed reducing axle (25) is close to the one end of second one-level speed reducing driven gear II (27) is equipped with second two-level speed reducing driven gear I (28), and the other end is equipped with second two-level speed reducing driven gear II (29), second three-level speed reducing axle (30) is close to the one end of second two-level speed reducing driven gear II (29) is equipped with tertiary speed reducing driven gear I (31), and the other end is equipped with tertiary speed reducing driven gear II (32), second one-level speed reducing driven gear I (26) with second power take off driven gear II (7) looks meshing, second one-level speed reducing driven gear II (27) with second two-level speed reducing driven gear I (28) looks meshing, second two-level speed reducing driven gear II (28) looks, second two-level speed reducing driven gear II (29) looks meshing.
5. The transmission device for expanding the speed ratio range of the gearbox is characterized by comprising a power input shaft (1), a power output shaft (2) and an intermediate shaft (3), wherein a plurality of gear driven gears are arranged on the power input shaft (1) and the power output shaft (2), a gear synchronizer for realizing gear shifting is arranged between the gear driven gears, the gear driven gear of the highest gear among the gear driven gears is arranged at one end, close to the power output shaft (2), of the power input shaft (1), of each gear except the highest gear, the gear driven gears are sequentially arranged on the power output shaft (2) along the direction of power output from high to low, one end, far away from the power output shaft (2), of the power input shaft (1) is provided with a power output driving gear (4), an I-shaped gear (5) is sleeved on the power input shaft (1) between the gear of the highest gear and the power output driving gear (4), the I-shaped gear driving gear (4) is meshed with the I-shaped gear (5) at one end, close to the power output driving gear (6) of the first end (6) of the power input driving gear (6) through a first speed reducing structure, the I-shaped gear (5) is meshed with the I gear (5) at the other end, the other end (6) of the power output driving gear is meshed with the I gear (6), a second power output driven gear (7) is arranged at one end, close to the power output shaft (2), of the intermediate shaft (3), the second power output driven gear (7) is in transmission connection with a gear driven gear of the lowest gear on the power output shaft (2) through a second multistage speed reduction structure, and gear driving gears which are meshed with the gear driven gears of all gears except the lowest gear on the power output shaft (2) in one-to-one correspondence are arranged on the intermediate shaft (3) between the first power output driven gear (6) and the second power output driven gear (7); the gear driven gear of the lowest gear is a first gear driven gear (10);
The first multi-stage speed reducing structure is a three-stage speed reducing structure and comprises a first primary speed reducing shaft (21), a first secondary speed reducing shaft (33) and a first tertiary speed reducing shaft (36), wherein one end of the first primary speed reducing shaft (21) close to the power output driving gear (4) is provided with a first primary speed reducing driven gear I (22), the other end of the first primary speed reducing shaft is provided with a first secondary speed reducing driven gear II (23), one end of the first secondary speed reducing shaft (33) close to the first primary speed reducing driven gear II (23) is provided with a first secondary speed reducing driven gear I (34), the other end of the first secondary speed reducing shaft is provided with a first secondary speed reducing driven gear II (35), one end of the first tertiary speed reducing shaft (36) close to the first secondary speed reducing driven gear II (35) is provided with a first tertiary speed reducing driven gear I (37), the other end of the first primary speed reducing driven gear II (38) is provided with a first tertiary speed reducing driven gear II (22) which is meshed with the power output driving gear (4), the first primary speed reducing driven gear II (23) is meshed with the first secondary speed reducing driven gear I (34), and the first secondary speed reducing driven gear II (35) is meshed with the first tertiary speed reducing driven gear I (37); the multistage speed reducing structure of second is tertiary speed reducing structure, including second one-level speed reducing axle (24), second two-level speed reducing axle (25) and tertiary speed reducing axle of second (30), second one-level speed reducing axle (24) is close to the one end of second power take off driven gear (7) is equipped with second one-level speed reducing driven gear I (26), and the other end is equipped with second one-level speed reducing driven gear II (27), second two-level speed reducing axle (25) is close to the one end of second one-level speed reducing driven gear II (27) is equipped with second two-level speed reducing driven gear I (28), and the other end is equipped with second two-level speed reducing driven gear II (29), second three-level speed reducing axle (30) is close to the one end of second two-level speed reducing driven gear II (29) is equipped with tertiary speed reducing driven gear I (31), and the other end is equipped with tertiary speed reducing driven gear II (32), second one-level speed reducing driven gear I (26) with second power take off driven gear II (7) looks meshing, second one-level speed reducing driven gear II (27) with second two-level speed reducing driven gear I (28) looks meshing, second two-level speed reducing driven gear II (28) looks, second two-level speed reducing driven gear II (29) looks meshing.
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| CN201810180578.8A CN108302167B (en) | 2018-03-05 | 2018-03-05 | Transmission device for enlarging speed ratio range of gearbox |
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| CN201810180578.8A CN108302167B (en) | 2018-03-05 | 2018-03-05 | Transmission device for enlarging speed ratio range of gearbox |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112594346A (en) * | 2020-12-04 | 2021-04-02 | 西安法士特汽车传动有限公司 | 4-gear double-intermediate-shaft wide-speed-ratio new-energy high-speed transmission |
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| CN208074103U (en) * | 2018-03-05 | 2018-11-09 | 韶关市广控机械传动技术有限公司 | A kind of transmission device expanding gearbox ratio coverage |
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| CN203488643U (en) * | 2013-09-27 | 2014-03-19 | 安徽江淮汽车股份有限公司 | Longitudinally-arranged double-clutch speed changer transmission device |
| CN103758947A (en) * | 2014-01-28 | 2014-04-30 | 綦江大力神齿轮有限公司 | Mechanical three-shaft type high-speed-ratio automobile gearbox |
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| CN204300246U (en) * | 2014-11-24 | 2015-04-29 | 东风汽车公司 | A kind of triple axle six block moves gearbox designs |
| CN105003631A (en) * | 2015-06-30 | 2015-10-28 | 浙江长泰机械有限公司 | Automobile speed variator |
| CN106286781A (en) * | 2016-09-29 | 2017-01-04 | 吕宏 | Double drive two-shift automatic variable speed device |
| CN106965664A (en) * | 2017-04-28 | 2017-07-21 | 苏州绿控传动科技有限公司 | A kind of single motor hybrid power system for automobile |
| CN206874755U (en) * | 2017-05-24 | 2018-01-12 | 浙江万里扬股份有限公司 | Speed changer and motor vehicle |
| CN208074103U (en) * | 2018-03-05 | 2018-11-09 | 韶关市广控机械传动技术有限公司 | A kind of transmission device expanding gearbox ratio coverage |
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| CN108302167A (en) | 2018-07-20 |
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