CN207364194U - One kind nine keeps off twin countershaft transmission - Google Patents
One kind nine keeps off twin countershaft transmission Download PDFInfo
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- CN207364194U CN207364194U CN201721206030.3U CN201721206030U CN207364194U CN 207364194 U CN207364194 U CN 207364194U CN 201721206030 U CN201721206030 U CN 201721206030U CN 207364194 U CN207364194 U CN 207364194U
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Abstract
The utility model provides one kind nine and keeps off twin countershaft transmission, belongs to transmission technology field, including：One axle assembly, two axle assemblies, countershaft assembly, odd-side assembly, case of transmission, upper cap assembly and manipulation assembly；One axle assembly is connected with case of transmission respectively with two axle assemblies, and the both sides of two axle assemblies are respectively arranged with countershaft assembly, and each countershaft assembly is connected with case of transmission respectively, and the output terminal that odd-side assembly is located at two axle assemblies is connected with case of transmission；Upper cap assembly is installed on case of transmission, is provided with piston channel on upper lid, and piston is installed in piston channel, is climbed in gear shift fork axle and is set fluted, three or four gear shift forks and three or four gear shift fork axles are connected by holding screw；Manipulate assembly to be installed on upper cap assembly, for manipulating speed change.Both added adaptability of the speed changer to bad working environments environment, process of putting into gear more smoothes out, and is not easy clamping stagnation, while reduce put into gear during shift fork and sliding sleeve inclination.
Description
Technical field
Transmission technology field is the utility model is related to, is specially that one kind nine keeps off twin countershaft transmission.
Background technology
Speed changer is one of important automobile transmission part, is for changing the rotating speed from engine and the machine of torque
Structure, the performance of speed changer have direct influence to the performance of automobile, and in practical applications, some automobiles are needed in mal-condition
Lower work, such as the automobile used in mine, or concrete mixer etc., since working environment is severe, so to ensure to become
The reliability of fast device.
At present, the commercial car shifter of transmission of mainstream has two kinds of synchronizer and sliding sleeve.Synchronizer box was being shifted gears
Put into gear in journey smooth-going, easy to operate, driver's labor intensity is low, but structure is relative complex, and reliability is difficult to ensure that；Sliding sleeve case
Type is simple in structure, adapts to various severe gearshift operating modes, reliable operation, long lifespan.
Utility model content
For problems of the prior art, the utility model provides one kind nine and keeps off twin countershaft transmission, is suitable for
It is simple in structure in all kinds of adverse circumstances, put into gear steady.
The utility model is to be achieved through the following technical solutions：
One kind nine keeps off twin countershaft transmission, including：One axle assembly, two axle assemblies, countershaft assembly, odd-side assembly, change
Fast device housing, upper cap assembly and manipulation assembly；
One axle assembly is connected with case of transmission respectively with two axle assemblies, during the both sides of two axle assemblies are respectively arranged with
Between axle assembly, each countershaft assembly connects with case of transmission respectively, and odd-side assembly is located at output terminal and the change of two axle assemblies
Fast device housing connection；
The upper cap assembly be installed on case of transmission on, including upper cover, piston, three or four gear shift fork axles, climb gear shift fork
Axis and three or four keeps off shift forks, and piston channel is provided with upper lid, and piston is installed in piston channel, climbs in gear shift fork axle and is provided with
Groove, in use, piston can extend into groove, three or four gear shift forks and three or four gear shift fork axles are connected by holding screw.
The manipulation assembly is installed on upper cap assembly, for manipulating speed change.
Optionally, the upper cap assembly further includes stop collar, and the stop collar is dialled positioned at three or four gear shift forks close to gear is climbed
One end of fork and three or four gear shift fork axles are coaxially connected.
Optionally, two axle assembly includes：Overgear gear, the two gear teeth of two axis and successively empty set on two axis
Wheel, first gear, climb gear gear and reverse gear；
On two axis reverse gear and between climbing gear gear installation climb gear sliding sleeve, first gear and second gear on two axis
Between the gear sliding sleeves of installation one or two, side of the overgear gear away from first gear is provided with three or four gear sliding sleeves on two axis.
Optionally, gear sliding sleeve, one or two gear sliding sleeves and three or the four gear sliding sleeves of climbing fall respectively by spline and two axis connections
Climbing gear sliding sleeve, one or two gear sliding sleeves and three or four gear sliding sleeves can move axially along two axis.
Optionally, an axle assembly includes an axis and a shaft gear, and an axle position is coaxially pacified in one end of two axis and two axis
Dress, a shaft gear are installed on an axis close to one end of two axis.
Optionally, the countershaft assembly include jackshaft and be successively set on jackshaft among shaft transmission gear,
Jackshaft overgear gear, jackshaft overgear gear, jackshaft second gear, jackshaft first gear, jackshaft climb gear tooth
Wheel and countershaft reverse gear；
The middle shaft transmission gear and a shaft gear often engage, and jackshaft overgear gear and overgear gear are often nibbled
Close, jackshaft second gear and second gear often engage, jackshaft first gear and first gear often engages, jackshaft climbs gear tooth
Take turns and climb gear gear often to engage, countershaft reverse gear and reverse gear often engage.
Optionally, the odd-side assembly includes odd-side main shaft, synchronizer, odd-side main shaft reduction gearing, odd-side jackshaft, pair
Shaft transmission gear among case；
Synchronizer and odd-side the main shaft reduction gearing is installed on odd-side main shaft, and odd-side main shaft and two axis are co-axially mounted；
The output terminal of two axle assembly is provided with odd-side drive gear, odd-side drive gear and odd-side jackshaft driving cog
Wheel engagement, odd-side centre shaft transmission gear are installed on odd-side jackshaft, and axis tooth and odd-side main shaft are provided with odd-side jackshaft
Reduction gearing engages.
Compared with prior art, the utility model has technique effect beneficial below：
A kind of nine gears twin countershaft transmission provided by the utility model, in use, odd-side, which hangs low gear, passes through compressed air
The piston that is arranged in piston channel is promoted to move up, main tank, which can be hung, reverses gear and climb gear, and during odd-side extension high gear, piston is to moving down
Dynamic, piston rod is worn to climbing in gear shift fork axle groove, and main tank falls, climbs gear stopper, simple in structure, adapts to all kinds of adverse circumstances；
Three or four gear shift fork axles use disrupted configuration with gear shift fork axle is climbed, and are connected firmly three or four gear shift forks and shift fork axle by holding screw,
The structure can be such that the process of putting into gear more smoothes out, and be not easy clamping stagnation, at the same reduce put into gear during shift fork and sliding sleeve inclination, compare
In the prior art, adaptability of the speed changer to bad working environments environment was both added, while operate smooth-going.
Further, by, close to the one end for climbing gear shift fork, being sleeved on positioned at three or four gear shift forks in three or four gear shift fork axles
Stop collar realizes the axial limiting to three or four gear shift forks, simple in structure, easy to process.
Further, by be arranged on reverse gear and climb gear gear between climb keep off sliding sleeve, be arranged on first gear
1 between second gear three or the four gear sliding sleeves realizations for keeping off sliding sleeves and being arranged between overgear gear and a shaft gear are changed
Gear, simple in structure, of low cost, reliable operation, long lifespan, can fit severe work condition environment.
Brief description of the drawings
Fig. 1 is a kind of sectional view of nine gears twin countershaft transmission provided by the utility model；
Fig. 2 is a kind of partial sectional view of odd-side assembly provided by the utility model；
Fig. 3 is a kind of partial schematic diagram of upper cap assembly provided by the utility model.
In figure：1. an axis, 2. 1 shaft gears, 3. cylinder roller bearings, 4. middle shaft transmission gears, 5. 2 axle assemblies, 6.
Case of transmission, 7. 12 gear sliding sleeves, 8. countershaft assemblies, 9. jackshafts, 10. climb keep off sliding sleeve, 11. deep groove ball bearings,
12. cylinder roller bearing, 13. 2 axis, 14. synchronizers, 15. rear cover housings, 16. odd-side main shaft reduction gearing, 17. circular cones roll
Gear gear, 23. 1 gears are climbed in sub- bearing, 18. odd-side main shafts, 19. ring flanges, 20. odd-side drive gears, 21. reverse gears, 22.
Gear, 24. manipulate assemblies, 25. second gears, 26. overgear gears, cap assembly on 27., 28. 34 gear sliding sleeves, 29. upper covers,
30. gear shift fork axle, 33. pistons, 34. manipulation housings, 35. 3 are climbed in shaft transmission gear, 31. odd-side jackshafts, 32. among odd-side
Four gear shift fork axles, 36. 34 gear shift forks, 37. stop collars.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
Fig. 1 is a kind of schematic diagram for nine gears twin countershaft transmission that the utility model embodiment provides, as shown in Figure 1,
Double 9 speed changers of jackshaft of nine gears include：One axle assembly, two axle assemblies 5, countershaft assembly 8, odd-side assembly, case of transmission
6th, upper cap assembly 27 and manipulation assembly 24；
One axle assembly is connected with case of transmission 6 by bearing respectively with two axle assemblies 5, the both sides difference of two axle assemblies 5
Countershaft assembly 8 is provided with, each countershaft assembly 8 is connected with case of transmission 6 by bearing respectively, and odd-side assembly is located at two
The output terminal and case of transmission 6 of axle assembly 5 connect；
As shown in figure 3, upper cap assembly 27 is installed on case of transmission 6, including upper cover, piston 33,34 gear shift fork axle
35th, climb gear shift fork axle 32,34 and keep off shift fork 36 and stop collar 37, be provided with 33 passage of piston on upper lid, piston 33 is installed on
In 33 passage of piston, climb in gear shift fork axle 32 and set fluted, in use, piston 33 can extend into groove, three or four gears are dialled
Pitch 36 to connect by holding screw with three or four gear shift fork axles 35, stop collar 37 keeps off shift fork positioned at three or four close climb of gear shift forks 36
One end and three or four gear shift fork axles 35 are coaxially connected；Manipulate assembly 24 to be installed on upper cap assembly 27, for manipulating speed change.
Three or four gear shift fork axles 35 use disrupted configuration with gear shift fork axle 32 is climbed.Shift fork 36 is kept off by three or four by holding screw
Connected firmly with three or four gear shift fork axles 35, compared to shift fork empty set in shift fork axle, which can be such that the process of putting into gear more smoothes out, and be not easy
Clamping stagnation, at the same reduce put into gear during shift fork and sliding sleeve inclination.Three or four gear shift fork axles 35 are to mobile stop collar 37 and dial
Fork make it is split type, it is simple in structure, it is easy to process.
Wherein, two axle assemblies 5 include：Two axis 13 and the overgear gear 26, two being sleeved on successively on two axis 13 keep off tooth
Wheel 25, first gear 23, climb gear gear 22 and reverse gear 21；On two axis 13 reverse gear 21 and climb gear gear 22 between installation fall
Gear sliding sleeve 10 is climbed, the gear of installation one or two sliding sleeves 7 between first gear 23 and second gear 25 on two axis 13, overgear on two axis 13
Side of the gear 26 away from first gear 23 is provided with three or four gear sliding sleeves 28.Overgear gear 26, second gear 25, first gear
23rd, gear gear 22 and 21 empty set of reverse gear are climbed on two axis 13.Two axis, 13 input terminal is supported in 1 axis hole of an axis, output terminal
It is supported on by deep groove ball bearing 11 on case of transmission 6.Each gear shift fork, shift fork axle, guide block are installed in upper cover 29 and form
Upper cap assembly 27.
One axle assembly includes an axis 1 and a shaft gear 2, and an axis 1 is located at one end of two axis 13 and two axis 13 are co-axially mounted,
One shaft gear 2 is installed on an axis 1 close to one end of two axis 13.During countershaft assembly 8 includes jackshaft 9 and is successively set on
Shaft transmission gear 4, jackshaft overgear gear, jackshaft overgear gear, jackshaft second gear, centre among on countershaft 9
Axis first gear, jackshaft climb gear gear and countershaft reverse gear；Middle 4 and one shaft gear 2 of shaft transmission gear often engages, in
Countershaft overgear gear and overgear gear 26 often engage, and jackshaft second gear and second gear 25 often engage, jackshaft one
Gear gear and the often engagement of first gear 23, jackshaft climb gear gear and climb gear gear 22 and often engage, and countershaft reverse gear passes through
Idle wheel and reverse gear 21 often engage.8 both ends of countershaft assembly are supported on case of transmission 6 by cylinder roller bearing 3 respectively
On.
As shown in Fig. 2, odd-side assembly include odd-side main shaft 18, synchronizer 14, odd-side main shaft reduction gearing 16, among odd-side
Shaft transmission gear 30 among axis 31, odd-side；Synchronizer 14 and odd-side main shaft reduction gearing 16 are installed on odd-side main shaft 18, synchronous
Device 14 is located between odd-side drive gear 20 and odd-side main shaft reduction gearing 16, and 18 and two axis 13 of odd-side main shaft is co-axially mounted；Two
The output terminal of axle assembly 5 is provided with odd-side drive gear 20, and shaft transmission gear 30 engages among odd-side drive gear 20 and odd-side,
Shaft transmission gear 30 is installed on odd-side jackshaft 31 among odd-side.After odd-side main shaft 18 is installed on by taper roll bearing 17
In lid housing 15.
During work, the power of engine is transferred to one axis 1 of speed changer, a shaft gear 2 and jackshaft transmission by clutch
Gear 4 often engages, and driving jackshaft 9 rotates.4 and one shaft gear 2 of shaft transmission gear often engages among on jackshaft 9, jackshaft
9 overgear gears 26 and overgear gear 26 often engage, and 9 second gear 25 of jackshaft and second gear 25 often engage, jackshaft 9
First gear 23 and the often engagement of first gear 23, jackshaft 9 climb gear gear 22 and climb gear gear 22 and often engage, and jackshaft 9 reverses gear
Gear 21 is often engaged by idle wheel and reverse gear 21, and each shift gear empty set rotates on axis on two axis 13.When corresponding gear
When sliding sleeve is combined by spline and two shaft gear of gear, power is just delivered to odd-side sliding tooth from jackshaft 9 via two axis 13
Wheel 20.When auxiliary box synchronizer 14 hangs up gear, power is just by odd-side drive gear 20, odd-side jackshaft 31 and gear thereon, pair
Corresponding gear, synchronizer 14 are transferred to odd-side main shaft 18 on case main shaft 18.
By taking a gear in low gear area as an example, one or two gear sliding sleeves 7 are linked into a gear side, while auxiliary box synchronizer 14 is linked into odd-side
During reduction gearing side, power is rotated after an axis 1 input by a shaft gear 2 and middle shaft transmission gear 4, driving jackshaft 9,
And drive jackshaft first gear 9 to rotate, and then drive the first gear 23 on two axis 13 to rotate, then pass through one or two gear sliding sleeves 7
With two axis 13, power is delivered to odd-side drive gear 20.Since shaft transmission gear 30 and odd-side drive gear 20 are normal among odd-side
Engagement, then power is just transferred to odd-side jackshaft 31, then passes through axis tooth thereon, 16 turns of driving odd-side main shaft reduction gearing
It is dynamic.At this time, since auxiliary box synchronizer 14 hangs low gear, odd-side main shaft reduction gearing 16 and odd-side main shaft 18 are combined together, moved
Power is just delivered to odd-side main shaft 18, and then is exported by ring flange 19.Remaining low gear power transmission line is similar.
At high gear area, main tank power transmission line is similar with low gear is hung, and at this time, auxiliary box synchronizer 14 and odd-side drive
Moving gear 20 combines, and the power of odd-side drive gear 20 is directly delivered to odd-side main shaft 18 via synchronizer 14, and passes through flange
Disk 19 exports.
When odd-side hangs high gear area, compressed air promotes the work being installed on lid by manipulating the air flue on housing 34
Plug 33 moves down, and 33 bar of piston is worn to climbing in gear 32 groove of shift fork axle, climbs gear shift fork axle 32 and is locked, climbs gear sliding sleeve 10
All the time it is in neutral gear position.When odd-side hangs low gear area, compressed air promotes 33 bar of piston to move up, and climbs gear and is unlocked, climbs
Gear sliding sleeve 10 can with corresponding reverse gear 21 or climb gear gear 22 be combined, realization reverse gear or climb gear.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. one kind nine keeps off twin countershaft transmission, it is characterised in that including：One axle assembly, two axle assemblies (5), countershaft assembly
(8), odd-side assembly, case of transmission (6), upper cap assembly (27) and manipulation assembly (24)；
One axle assembly is connected with case of transmission (6) respectively with two axle assemblies (5), and the both sides of two axle assemblies (5) are respectively set
One countershaft assembly (8), each countershaft assembly (8) connect with case of transmission (6) respectively, and it is total that odd-side assembly is located at two axis
Output terminal and case of transmission (6) into (5) connect；
The upper cap assembly (27) is installed on case of transmission (6), including upper cover (29), piston (33), three or four gear shift fork axles
(35), gear shift fork axle (32) and three or four gear shift forks (36) are climbed, piston channel, piston (33) installation are provided with upper cover (29)
In piston channel, climb on gear shift fork axle (32) set it is fluted, in use, piston (33) can be stretched into along piston channel
In groove, three or four gear shift forks (36) are connected with three or four gear shift fork axles (35) by holding screw；
The manipulation assembly (24) is installed on upper cap assembly (27), for manipulating speed change.
2. one kind nine as claimed in claim 1 keeps off twin countershaft transmission, it is characterised in that the upper cap assembly (27) is also
Including stop collar (37), the stop collar (37) is sleeved on three or four positioned at three or four gear shift forks (36) close to the one end for climbing gear shift fork
Keep off in shift fork axle (35).
3. one kind nine as claimed in claim 1 keeps off twin countershaft transmission, it is characterised in that two axle assembly (5) bag
Include：Overgear gear (26), second gear (25), the first gear of two axis (13) and successively empty set on two axis (13)
(23), gear gear (22) and reverse gear (21) are climbed；
Reverse gear (21) and climb installation between gear gear (22) on two axis (13) and climb and keep off sliding sleeve (10), two axis (13)
The gear sliding sleeves of installation one or two (7) between upper first gear (23) and second gear (25), overgear gear on two axis (13)
(26) side away from first gear (23) is provided with three or four gear sliding sleeves (28).
4. one kind nine as claimed in claim 3 keeps off twin countershaft transmission, it is characterised in that described to climb gear sliding sleeve
(10), one or two gear sliding sleeves (7) and three or four gear sliding sleeves (28) are connected by spline and two axis (13) respectively, climb gear sliding sleeve
(10), one or two gear sliding sleeves (7) and three or four gear sliding sleeves (28) can be moved axially along two axis.
5. one kind nine as claimed in claim 3 keeps off twin countershaft transmission, it is characterised in that an axle assembly includes one
Axis (1) and a shaft gear (2), an axis (1) is located at one end of two axis (13) and two axis (13) are co-axially mounted, a shaft gear (2) peace
Mounted in an axis (1) on one end of two axis (13).
6. one kind nine as claimed in claim 5 keeps off twin countershaft transmission, it is characterised in that countershaft assembly (8) bag
Shaft transmission gear (4), jackshaft overgear gear, centre among including jackshaft (9) and being successively set on jackshaft (9)
Axis second gear, jackshaft first gear, jackshaft climb gear gear and countershaft reverse gear；
The middle shaft transmission gear (4) and a shaft gear (2) often engage, jackshaft overgear gear and overgear gear
(26) often engagement, jackshaft second gear and second gear (25) often engage, jackshaft first gear and first gear
(23) often engagement, jackshaft climb gear gear and climb gear gear (22) and often engage, and countershaft reverse gear is by idle wheel and reverses gear
Gear (21) often engages.
7. one kind nine as claimed in claim 1 keeps off twin countershaft transmission, it is characterised in that the odd-side assembly includes pair
Case main shaft (18), synchronizer (14), odd-side main shaft reduction gearing (16), odd-side jackshaft (31), odd-side centre shaft transmission gear
(30)；
The synchronizer (14) and odd-side main shaft reduction gearing (16) are installed on odd-side main shaft (18), odd-side main shaft (18) and two
Axis (13) is co-axially mounted；
The output terminal of two axle assembly (5) is provided with odd-side drive gear (20), among odd-side drive gear (20) and odd-side
Shaft transmission gear (30) engages, and shaft transmission gear (30) is installed on odd-side jackshaft (31) among odd-side, odd-side jackshaft
(31) axis tooth and odd-side main shaft reduction gearing (16) engagement are provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206030.3U CN207364194U (en) | 2017-09-20 | 2017-09-20 | One kind nine keeps off twin countershaft transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206030.3U CN207364194U (en) | 2017-09-20 | 2017-09-20 | One kind nine keeps off twin countershaft transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364194U true CN207364194U (en) | 2018-05-15 |
Family
ID=62349649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721206030.3U Active CN207364194U (en) | 2017-09-20 | 2017-09-20 | One kind nine keeps off twin countershaft transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296185B (en) * | 2019-08-06 | 2024-01-30 | 特百佳动力科技股份有限公司 | Heavy-duty gearbox |
-
2017
- 2017-09-20 CN CN201721206030.3U patent/CN207364194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296185B (en) * | 2019-08-06 | 2024-01-30 | 特百佳动力科技股份有限公司 | Heavy-duty gearbox |
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