CN108916325A - A kind of miniature commercial vehicle speed changer of high strength with low noise - Google Patents
A kind of miniature commercial vehicle speed changer of high strength with low noise Download PDFInfo
- Publication number
- CN108916325A CN108916325A CN201810927645.8A CN201810927645A CN108916325A CN 108916325 A CN108916325 A CN 108916325A CN 201810927645 A CN201810927645 A CN 201810927645A CN 108916325 A CN108916325 A CN 108916325A
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- China
- Prior art keywords
- gear
- assembly
- shaft
- shifting
- gears
- Prior art date
- 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
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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
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0047—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising five forward speeds
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
Abstract
The invention discloses a kind of miniature commercial vehicle speed changer of high strength with low noise, the front side of the shell of the speed changer is connect by preceding connecting plate with clutch housing;The rear side of the shell links together with output shaft rear cover;Middle part is equipped with the input axle assembly in the shell, the countershaft assembly is installed below the input axle assembly, the reverse gear shaft assembly is installed, the side of the input axle assembly is equipped with described 1 and reverses gear axle assembly and three or the four gear shift axle assemblies of shifting gears below the countershaft assembly;The upper vertical direction of the input axle assembly is equipped with the shifting tower assembly, the rear side connection of the input axle assembly export axle assembly.Under neutral position state, jackshaft, three gear gear pairs, four gear gear pairs do not rotate the present invention, reduce neutral gear noise;Synchronizer is arranged in the first order, reduces the requirement of each gear synchronizer capacity, shifts gears under steam light smooth.
Description
Technical field
The present invention relates to rear-guard transmission technology field, specifically a kind of miniature commercial vehicle speed change of high strength with low noise
Device.
Background technique
Existing commercial automobile-used rear-guard speed changer designs two-stage gear drive, each to keep off synchronizer arrangement on the second level.In neutral gear
Under state, each gear that keeps off rotates simultaneously, causes neutral gear noise big;And respectively gear synchronizer capacity requirement is big, causes to change under steam
Gear is difficult or shift fails.This failure is generally existing in existing rear-guard speed changer, has seriously affected the driving condition of user,
User complains very big.
Summary of the invention
Technical assignment of the invention is to provide a kind of miniature commercial vehicle speed changer of high strength with low noise.
Technical assignment of the invention is realized in the following manner:
A kind of miniature commercial vehicle speed changer of high strength with low noise, including it is input axle assembly, countershaft assembly, reverse gear shaft assembly, defeated
Reverse gear axle assembly, three or four gear shift axle assemblies and the shell of shifting gears for axle assembly, shifting tower assembly, 1 out;
The front side of the shell is connect by preceding connecting plate with clutch housing;The rear side and output shaft rear cover of the shell
It links together;Middle part is equipped with the input axle assembly, the lower section installation of the input axle assembly in the shell
There is the countershaft assembly, the reverse gear shaft assembly, the input shaft are installed below the countershaft assembly
The side of assembly is equipped with described 1 and reverses gear axle assembly and three or the four gear shift axle assemblies of shifting gears;The input
The upper vertical direction of axle assembly is equipped with the shifting tower assembly, and the rear side of the input axle assembly connects described
Export axle assembly.
The input axle assembly includes input shaft-cup, five gear driving gears, input shaft, three gear driving gears and three or four
Keep off synchronizer assembly;The input shaft is gear shaft, and the installed in front of the input shaft has input shaft-cup, the input
Five gear driving gears are installed on the input shaft on rear side of shaft-cup;Three are equipped on input shaft on rear side of the five gear driving gears
Gear driving gear is, and then be equipped with three or four gear synchronizer assemblies on rear side of the described three gears driving gears.
The countershaft assembly includes five gear driven gear assemblies, reverse gear assembly, gear a driven gear assembly, two
Keep off driven gear assembly and jackshaft;The jackshaft is gear shaft, and the installed in front of the jackshaft has five gear quilts
Movable tooth wheel assembly is equipped with reverse gear assembly on the jackshafts on rear side of the described five gears driven gear assemblies, and described reverses gear
One gear driven gear assembly, the centre on rear side of a gear driven gear assembly are installed on the jackshaft on rear side of gear assembly
Second gear driven gear assembly is installed on axis.
Five are equipped on jackshaft between the five gear driven gear assemblies and the reverse gear assembly to reverse gear
Synchronizer assembly;It is equipped on jackshaft between the one gear driven gear assembly and the second gear driven gear assembly
One second gear synchronizer assembly.
The reverse gear shaft assembly includes reverse gear shaft and the idle pulley that reverses gear, and the idle pulley that reverses gear is mounted on the reverse gear shaft
Rear side.
The export axle assembly is mounted in the output shaft rear cover, and the export axle assembly includes output shaft,
The rear end of the output shaft is equipped with ring flange.
The shifting tower assembly include gear-shifting rocker arm, shift tower lid, shifting cam, limit plate, gear shifting pulling head and
Shifting shaft;The front end of the shifting shaft is equipped with gear-shifting rocker arm, is equipped with and changes on the shifting shaft on rear side of the gear-shifting rocker arm
Cam is kept off, the periphery of the shifting cam is equipped with shift tower lid;It is equipped on shifting shaft on rear side of the shift tower lid
Limit plate is equipped with gear shifting pulling head on the shifting shaft on rear side of the limit plate.
Described 1 reverse gear shift gears axle assembly include five back forks, 1 reverse gear fork shaft, second-speculation's shift fork with
And five reverse gear shifting block of shifting gears;The reverse gear installed in front of fork shaft of described 1 has five back forks, five back forks
The 1 of rear side reverse gear and are equipped with second-speculation's shift fork on fork shaft, and 1 on rear side of second-speculation's shift fork reverse gear
Five are equipped on fork shaft to reverse gear shifting block of shifting gears.
It includes three or four gear shift forks and three or four gear fork shafts that described three or four, which keep off shift axle assemblies, after described 34 keep off fork shafts
Side is equipped with three or the four gear shift forks.
The transmission gear drive path of the speed changer is as follows:
One gear drive path:A gear driving gear is nibbled with a gear driven gear assembly on the countershaft assembly on input shaft
Close, then be coupled with a second gear synchronizer assembly, engaged by the normal and driving gear on jackshaft with output shaft gear, power by
The export axle assembly output;
Second gear drive path:Two gear driving gear is nibbled with second gear driven gear assembly on the countershaft assembly on input shaft
Close, then be coupled with a second gear synchronizer assembly, engaged by the normal and driving gear on jackshaft with output shaft gear, power by
The export axle assembly output;
Three gear drive paths:Three or four gear synchronizer assemblies are coupled with three gear driving gears on input shaft, then by three gear driving gears
It is engaged with three gear driven gears on the countershaft assembly, passes through the normal and driving gear and output shaft gear on jackshaft
Engagement, power are exported by the export axle assembly;
Four gear drive paths:Three or four gear synchronizer assemblies are coupled with output shaft gear on input shaft, and power is by the output shaft
Assembly output;
Five gear drive paths:Five gear driving gears are nibbled with five gear driven gear assemblies on the countershaft assembly on input shaft
Close, then be coupled with five reverse gear synchronizer assemblies, engaged by the normal and driving gear on jackshaft with output shaft gear, power by
The export axle assembly output;
Reverse gear route:The driving gear that reverses gear on input shaft is by reverse gear idle pulley and the countershaft assembly on reverse gear shaft
On the engagement of reverse gear assembly, then be coupled with five reverse gear synchronizer assemblies, by normal and driving gear on jackshaft with it is defeated
Shaft gear engages out, and power is exported by the export axle assembly.
Compared to the prior art, the present invention designs two-stage to a kind of miniature commercial vehicle speed changer of high strength with low noise of the invention
Gear drive, each synchronizer that keeps off are arranged in the first order(Input axle assembly)On, public speed reducing gear pair is arranged in the second level(It is intermediate
Axle assembly);Under neutral position state, jackshaft, three gear gear pairs, four gear gear pairs are not rotated, and reduce neutral gear noise;Synchronizer cloth
The requirement for reducing each gear synchronizer capacity in the first order is set, shifts gears under steam light smooth, can effectively meet client's
Demand.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the miniature commercial vehicle speed changer of high strength with low noise.
Attached drawing 2 is the side view of attached drawing 1.
Attached drawing 3 is the structural schematic diagram of input axle assembly.
Attached drawing 4 is the structural schematic diagram of countershaft assembly.
Attached drawing 5 is the structural schematic diagram of reverse gear shaft assembly.
Attached drawing 6 is the structural schematic diagram of shift tower assembly.
Attached drawing 7 is one two five structural schematic diagrams for switching gear shaft assembly.
Attached drawing 8 is the structural schematic diagram of three or four gear shift axle assemblies.
In figure:1, clutch housing, 2, preceding connecting plate, 3, input shaft-cup, 4, input axle assembly, 5, countershaft assembly, 6,
Reverse gear shaft assembly, 7, export axle assembly, 8, shifting tower assembly, 9,1 reverse gear axle assembly of shifting gears, 10,34 gear shifting shafts
Assembly, 11, shell, 12, output shaft rear cover, 13, ring flange, 14, five gear driving gears, 15, input shaft, 16, three gear driving tooths
Wheel, 17,34 gear synchronizer assemblies, 18, five gear driven gear assemblies, 19, five reverse gear synchronizer assemblies, 20, reverse gear it is total
At, 21, one gear driven gear assembly, 22, one second gear synchronizer assembly, 23, second gear driven gear assembly, 24, jackshaft, 25,
Reverse gear shaft, 26, reverse gear idle pulley, 27, five back forks, 28,1 reverse gear fork shaft, and 29, one second-speculation's shift fork, 30, five, which reverse gear, changes
Keep off shifting block, 31,34 gear shift forks, 32,34 gear fork shafts, 33, gear-shifting rocker arm, 34, shift tower lid, 35, shifting cam, 36, limit
Position plate, 37, gear shifting pulling head, 38, shifting shaft, 39, output shaft, 40, output shaft gear, 41, reverse gear driving gear, 42, one gear master
Moving gear, 43, two gear driving gear, 44, normal and driving gear, 45, three gear driven gears.
Specific embodiment
Embodiment 1:
A kind of miniature commercial vehicle speed changer of high strength with low noise, including input axle assembly 4, countershaft assembly 5, reverse gear shaft assembly 6,
Export axle assembly 7, shifting tower assembly 8,1 reverse gear the gear shift axle assembly 10 and shell 11 of axle assembly 9,34 of shifting gears;
The front side of the shell 11 is connect by preceding connecting plate 2 with clutch housing 1;The rear side of the shell 11 and output
Axis rear cover 12 links together;Middle part is equipped with the input axle assembly 4, the input axle assembly in the shell 11
4 lower section is equipped with the countershaft assembly 5, and the lower section of the countershaft assembly 5 is equipped with the reverse gear shaft assembly
6, the side of the input axle assembly 4 is equipped with described 1 and reverses gear axle assembly 9 and three or the four gear shifts of shifting gears
Axle assembly 10;The upper vertical direction of the input axle assembly 4 is equipped with the shifting tower assembly 8, the input
The rear side connection of axle assembly 4 export axle assembly 7.
The input axle assembly 4 includes that input shaft-cup 3, five keeps off driving gear 14, input shaft 15, three keeps off driving gear 16
And three or four gear synchronizer assembly 17;The input shaft 15 is gear shaft, and the installed in front of the input shaft 15 has input
Shaft-cup 3 is equipped with five gear driving gears 14 on the input shaft 15 of 3 rear side of the input shaft-cup;The five gear driving gears
Three gear driving gears 16 are installed on the input shaft 15 of 14 rear sides, and then the rear side of the three gear driving gears 16 is equipped with
Three or four gear synchronizer assemblies 17.
The countershaft assembly 5 is total including five gear driven gear assemblies 18, the gear driven gear of reverse gear assembly 20, one
At 21, second gear driven gear assembly 23 and jackshaft 24;The jackshaft 24 is gear shaft, before the jackshaft 24
Side is equipped with five gear driven gear assemblies 18, is equipped with and reverses gear on the jackshaft 24 of five gear driven gear assemblies, 18 rear side
Gear assembly 20 is equipped with a gear driven gear assembly 21 on the jackshaft 24 of 20 rear side of the reverse gear assembly, described
A gear rear side of driven gear assembly 21 jackshaft 24 on second gear driven gear assembly 23 is installed;The five gear passive tooths
Five reverse gear synchronizer assemblies 19 are installed on the jackshaft 24 between wheel assembly 18 and the reverse gear assembly 20;Described
It is synchronous that a second gear is installed on jackshaft 24 between one gear driven gear assembly 21 and the second gear driven gear assembly 23
Device assembly 22.
The reverse gear shaft assembly 6 includes reverse gear shaft 25 and the idle pulley 26 that reverses gear, and the idle pulley 26 that reverses gear is mounted on described
Reverse gear shaft 25 rear side.
The export axle assembly 7 is mounted in the output shaft rear cover 12, and the export axle assembly 7 includes output
The rear end of axis 39, the output shaft 39 is equipped with ring flange 13.
The shifting tower assembly 8 includes gear-shifting rocker arm 33, shift tower lid 34, shifting cam 35, limit plate 36, shift
Shifting block 37 and shifting shaft 38;The front end of the shifting shaft 38 is equipped with gear-shifting rocker arm 33,33 rear side of gear-shifting rocker arm
Shifting shaft 38 on shifting cam 35 is installed, the periphery of the shifting cam 35 is equipped with shift tower lid 34;Described changes
Limit plate 36 is installed on the shifting shaft 38 of 34 rear side of gear tower lid, is equipped with and changes on the shifting shaft 38 of 36 rear side of limit plate
Keep off shifting block 37.
Described 1 reverse gear shift gears axle assembly 9 include five back forks 27,1 reverse gear fork shaft 28, a second-speculation dial
Fork 29 and five reverses gear shifting block 30 of shifting gears;The reverse gear installed in front of fork shaft 28 of described 1 has five back forks 27, described
The rear side of five back fork 27 one two five reverse gear second-speculation's shift fork 29 be installed on fork shaft 28, a second-speculation dials
The 1 of 29 rear side of fork, which are reversed gear, to be equipped with five on fork shaft 28 and reverses gear shifting block 30 of shifting gears.
Three or the four gear shift axle assemblies 10 include that three or four gear shift forks 31 and three or four keep off fork shaft 32, three or the four gear forks
The rear side of axis 32 is equipped with three or the four gear shift forks 31.
The transmission gear drive path of the speed changer is as follows:
One gear drive path:A gear driving gear 42 and a gear driven gear on the countershaft assembly 5 are total on input shaft 15
It is coupled at 21 engagements, then with a second gear synchronizer assembly 22, passes through the normal and driving gear 44 and output shaft tooth on jackshaft 24
40 engagement of wheel, power are exported by the export axle assembly 7;
Second gear drive path:Two gear driving gear 43 and second gear driven gear on the countershaft assembly 5 are total on input shaft 15
It is coupled at 23 engagements, then with a second gear synchronizer assembly 22, passes through the normal and driving gear 44 and output shaft tooth on jackshaft 24
40 engagement of wheel, power are exported by the export axle assembly 7;
Three gear drive paths:Three or four gear synchronizer assemblies 17 are coupled with three gear driving gears 16 on input shaft 15, then are led by three gears
Moving gear 16 is engaged with three gear driven gears 45 on the countershaft assembly 5, passes through the normal and driving tooth on jackshaft 24
Wheel 44 is engaged with output shaft gear 40, and power is exported by the export axle assembly 7;
Four gear drive paths:Three or four gear synchronizer assemblies 17 are coupled with output shaft gear 40 on input shaft 15, and power is by described
Export axle assembly 7 exports;
Five gear drive paths:Five gear driving gears 14 and five gear driven gears on the countershaft assembly 5 are total on input shaft 15
It is coupled at 18 engagements, then with five reverse gear synchronizer assemblies 19, passes through the normal and driving gear 44 and output shaft tooth on jackshaft 24
40 engagement of wheel, power are exported by the export axle assembly 7;
Reverse gear route:The driving gear 41 that reverses gear on input shaft 15 by reverse gear shaft 25 reverse gear idle pulley 26 and it is described in
Between reverse gear assembly 20 on axle assembly 5 engage, then be coupled with five reverse gear synchronizer assemblies 19, by normal on jackshaft 24
It is engaged with driving gear 44 with output shaft gear 40, power is exported by the export axle assembly 7.
In above-mentioned transmission, it is designed as two-stage gear drive, synchronizer is respectively kept off in input axle assembly 4 and is arranged as first order gear
Transmission;Public speed reducing gear pair on countershaft assembly 5 is arranged as second level gear drive;Under neutral position state, jackshaft 24,
Three gear gear pairs, four gear gear pairs do not rotate, and can be effectively reduced the neutral gear noise of speed changer;Synchronizer is arranged in first order tooth
Wheel transmission effectively reduces the requirement of each gear synchronizer capacity, shifts gears light smooth under steam, can effectively meet client
Demand.
The above-mentioned structure that do not introduce specifically is existing conventional design, with the above specific embodiments, the technology
The technical staff in field can readily realize the present invention.It is understood that the present invention is not limited to above-mentioned several specific realities
Apply mode.On the basis of the disclosed embodiments, the technical personnel in the technical field can the different technology spy of any combination
Sign, to realize different technical solutions.
Claims (10)
1. a kind of miniature commercial vehicle speed changer of high strength with low noise, which is characterized in that including input axle assembly, countershaft assembly,
Reverse gear shaft assembly, export axle assembly, shifting tower assembly, 1 reverse gear shift gears axle assembly, three or four gear shift axle assemblies and
Shell;
The front side of the shell is connect by preceding connecting plate with clutch housing;The rear side and output shaft rear cover of the shell
It links together;Middle part is equipped with the input axle assembly, the lower section installation of the input axle assembly in the shell
There is the countershaft assembly, the reverse gear shaft assembly, the input shaft are installed below the countershaft assembly
The side of assembly is equipped with described 1 and reverses gear axle assembly and three or the four gear shift axle assemblies of shifting gears;The input
The upper vertical direction of axle assembly is equipped with the shifting tower assembly, and the rear side of the input axle assembly connects described
Export axle assembly.
2. speed changer according to claim 1, which is characterized in that the input axle assembly includes input shaft-cup, five gears
Driving gear, input shaft, three gear driving gears and three or four gear synchronizer assemblies;The input shaft is gear shaft, described
The installed in front of input shaft has input shaft-cup, is equipped with five gear driving gears on the input shaft on rear side of the input shaft-cup;Institute
Three gear driving gears are installed, and then after the described three gears driving gears on the input shaft on rear side of five gear driving gears stated
Side is equipped with three or four gear synchronizer assemblies.
3. speed changer according to claim 1, which is characterized in that the countershaft assembly includes that five gear driven gears are total
At, reverse gear assembly, a gear driven gear assembly, second gear driven gear assembly and jackshaft;The jackshaft is tooth
Wheel shaft, the installed in front of the jackshaft have five gear driven gear assemblies, and described five keep off on rear side of driven gear assemblies
Between reverse gear assembly is installed on axis, a gear driven gear is installed total on the jackshaft on rear side of the reverse gear assembly
At being equipped with second gear driven gear assembly on the jackshaft on rear side of the described gear driven gear assembly.
4. speed changer according to claim 3, which is characterized in that the described five gear driven gear assemblies and described reverse gear
Five reverse gear synchronizer assemblies are installed on the jackshaft between gear assembly;The one gear driven gear assembly and described two
A second gear synchronizer assembly is installed on jackshaft between gear driven gear assembly.
5. speed changer according to claim 1, which is characterized in that the reverse gear shaft assembly includes reverse gear shaft and reverses gear lazy
Wheel, the idle pulley that reverses gear are mounted on the rear side of the reverse gear shaft.
6. speed changer according to claim 1, which is characterized in that the export axle assembly is mounted on the output shaft
In rear cover, the export axle assembly includes output shaft, and the rear end of the output shaft is equipped with ring flange.
7. speed changer according to claim 1, which is characterized in that the shifting tower assembly includes gear-shifting rocker arm, changes
Keep off tower lid, shifting cam, limit plate, gear shifting pulling head and shifting shaft;The front end of the shifting shaft is equipped with gear-shifting rocker arm, institute
Shifting cam is installed, the periphery of the shifting cam is equipped with shift tower lid on the shifting shaft on rear side of gear-shifting rocker arm stated;
Limit plate is installed on shifting shaft on rear side of the shift tower lid, shift is installed on the shifting shaft on rear side of the limit plate
Shifting block.
8. speed changer according to claim 1, which is characterized in that the reverse gear axle assembly of shifting gears of described 1 includes five falling
Gear shift fork, 1, which are reversed gear, fork shaft, second-speculation's shift fork and five reverses gear shifting block of shifting gears;Described 1 are reversed gear the front side of fork shaft
Five back forks are installed, 1 on rear side of five back forks, which reverse gear, is equipped with a second-speculation on fork shaft and dials
Fork, 1 on rear side of second-speculation's shift fork, which reverse gear, is equipped with five on fork shaft and reverses gear shifting block of shifting gears.
9. speed changer according to claim 1, which is characterized in that three or the four gear shift axle assemblies include that three or four gears are dialled
Fork and three or four gear fork shafts, described 34 keep off 34 described in being equipped on rear side of fork shafts gear shift forks.
10. speed changer according to claim 1, which is characterized in that the transmission gear drive path of the speed changer is such as
Under:
One gear drive path:A gear driving gear is nibbled with a gear driven gear assembly on the countershaft assembly on input shaft
Close, then be coupled with a second gear synchronizer assembly, engaged by the normal and driving gear on jackshaft with output shaft gear, power by
The export axle assembly output;
Second gear drive path:Two gear driving gear is nibbled with second gear driven gear assembly on the countershaft assembly on input shaft
Close, then be coupled with a second gear synchronizer assembly, engaged by the normal and driving gear on jackshaft with output shaft gear, power by
The export axle assembly output;
Three gear drive paths:Three or four gear synchronizer assemblies are coupled with three gear driving gears on input shaft, then by three gear driving gears
It is engaged with three gear driven gears on the countershaft assembly, passes through the normal and driving gear and output shaft gear on jackshaft
Engagement, power are exported by the export axle assembly;
Four gear drive paths:Three or four gear synchronizer assemblies are coupled with output shaft gear on input shaft, and power is by the output shaft
Assembly output;
Five gear drive paths:Five gear driving gears are nibbled with five gear driven gear assemblies on the countershaft assembly on input shaft
Close, then be coupled with five reverse gear synchronizer assemblies, engaged by the normal and driving gear on jackshaft with output shaft gear, power by
The export axle assembly output;
Reverse gear route:The driving gear that reverses gear on input shaft is by reverse gear idle pulley and the countershaft assembly on reverse gear shaft
On the engagement of reverse gear assembly, then be coupled with five reverse gear synchronizer assemblies, by normal and driving gear on jackshaft with it is defeated
Shaft gear engages out, and power is exported by the export axle assembly.
Priority Applications (1)
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CN201810927645.8A CN108916325A (en) | 2018-08-15 | 2018-08-15 | A kind of miniature commercial vehicle speed changer of high strength with low noise |
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CN201810927645.8A CN108916325A (en) | 2018-08-15 | 2018-08-15 | A kind of miniature commercial vehicle speed changer of high strength with low noise |
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CN201810927645.8A Pending CN108916325A (en) | 2018-08-15 | 2018-08-15 | A kind of miniature commercial vehicle speed changer of high strength with low noise |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021110154A1 (en) * | 2019-12-04 | 2021-06-10 | 西南大学 | Intelligent self-adaptive automatic transmission |
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DE2137440C2 (en) * | 1970-07-28 | 1983-09-22 | Turner Manufacturing Co. Ltd., Wolverhampton | Multi-speed transmission for a heavy-duty motor vehicle |
CN1170838A (en) * | 1996-03-29 | 1998-01-21 | 马自达汽车株式会社 | Gear type power transmission |
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