CN206555383U - The medium-sized 9 gear gearbox assembly of the double jackshafts of modified - Google Patents
The medium-sized 9 gear gearbox assembly of the double jackshafts of modified Download PDFInfo
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- CN206555383U CN206555383U CN201621477660.XU CN201621477660U CN206555383U CN 206555383 U CN206555383 U CN 206555383U CN 201621477660 U CN201621477660 U CN 201621477660U CN 206555383 U CN206555383 U CN 206555383U
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Abstract
The utility model is related to a kind of medium-sized 9 gear gearbox assembly of the double jackshafts of modified, speed changer is made up of main tank and odd-side, 5 gears of control use sliding gear collar gear shift to main tank manually, 2 gears of odd-side pneumatic control use synchronizer shift, wherein 1 grade of main tank is hill gear, meets the demand of low-speed big；When odd-side is high-grade, locking main tank 1, reverse gear are controlled by gas circuit, main tank can realize 4 gear controls, form 9 drive shifts, 1 reverse gear altogether；Major-minor case is straight tooth structure on 9 grades of twin countershaft transmissions；Double-valve structure manipulation odd-side gear shift, side draw power structure, major-minor case is pneumatic, mechanical double-layer interlocking structure.Good effect of the present utility model is to alleviate berth-changing strength, increases the service life of synchronizer, reduces complete vehicle fault rate；Gear is clear, and gear shift flexibly, can use list H, single pole, double-rod, flexible shaft manipulation；Moment of torsion increase is transmitted, makes whole system relatively reliable durable.
Description
Technical field
The utility model belongs to medium-sized automobile transmission field, is related to a kind of medium-sized 9 gear gearbox of the double jackshafts of modified
Assembly.
Background technology
Speed changer demand is further refined for current domestic medium-sized complex conditions load-carrying vehicle and medium-sized dumper market,
Northeast draws the special operation conditions such as grain, Southwest Mountainous Areas to need vehicle low speed torque big, and starting climbing capacity is strong, while rolling severe work away from
After condition, also need to meet the economical requirement of vehicle of the user on through street.Traditional in-between car typically 6 gear gearboxes of assembling, it is impossible to
All demands that segment market are met, user generally reflects that 6 gear gearbox vehicle starts are difficult particularly under above-mentioned special operation condition,
Climbing capacity is poor, lacks innovation.In the social background of efficiency and energy-conserving and environment-protective is nowadays particular about, 6 gear gearboxes can not meet defeated
Go out the requirement of moment of torsion and ratio coverage, and higher reliability, durability and fuel economy requirement.
The content of the invention
The purpose of this utility model is to provide a kind of double jackshafts of modified medium-sized 9 gear gearbox assembly, employed tiltedly
The double intermediate shaft structures put, the main shaft and mainshaft gear of main tank are floated, and odd-side main shaft is fixed, and mainshaft gear floats.There is provided one
Rationally, speed is than suitable, and a notch speed is than big, in double with higher reliability, low noise, durability and fuel economy for kind of gear
The gear gearbox assembly of countershaft 9.
What the technical solution of the utility model was realized in：
The medium-sized 9 gear gearbox assembly of the double jackshafts of modified, including main tank and odd-side, main tank are controlled manually using sliding gear collar
5 drive shifts and 1 reverse gear are made, 5 drive shifts include one grade to five grades, and one grade is hill gear, and odd-side is pneumatic using synchronizer
High-grade and low-grade 2 gears of control, when odd-side state is low-grade, 5 drive shifts and reverse gear of main tank can carry out gear shift, when
When odd-side state is top grade, one grade and reverse gear of locking main tank are controlled by gas circuit, main tank can realize 4 gears controls, conformal
Into 9 drive shifts, 1 reverse gear.
The tail end of first axle is connected with the second axle in main tank, the lower-left of the second axle, upper-right position be two it is identical and
Reduction gearing on symmetrical main tank jackshaft, main tank jackshaft is engaged with first axle input gear, its on main tank jackshaft
He engages gear with the respective gears on the second axle respectively；Between back gear and a shelves gear on second axle, intermediate gear
1 sliding gear collar, all sliding gear collars are respectively provided between third gear, between the input gear of fourth gear and first axle
It is connected with main tank shift fork, main tank shift fork is connected to transmission control by main box shift shift fork axle again.
Transmission control uses double-valve structure, including control valve and reversal valve, and control valve is arranged in transmission top cover
On, odd-side gear shift is allowed during main tank neutral gear, main tank and the mutual lock control of odd-side is carried out；Reversal valve is arranged in after control valve, is received
The automatically controlled signal of gear shifting handle, controls auxiliary box cylinder gear shift to act by gas circuit, meanwhile, there is gas all the way when odd-side is located at high-grade
Road is led at the transmission top cover of main tank, one grade of locking main tank and reverse gear.
Odd-side includes odd-side input shaft, odd-side jackshaft and auxiliary box output shaft, and the second axle is connected with odd-side input gear,
The front end of auxiliary box output shaft is arranged in odd-side input gear by bearing, and reduction gearing and the odd-side of odd-side jackshaft input tooth
Low regime clutch on wheel engagement, auxiliary box output shaft is engaged with odd-side jackshaft axle tooth, is filled between low regime clutch and odd-side input shaft
There is synchronizer, synchronizer is controlled by synchronizer shift fork by odd-side sliding selector shaft, and the outer end of auxiliary box output shaft is connected with flange
Disk.
Second axle is fixed using rear end, the free mounting means in front end, including fixing end and free end, and fixing end passes through spiral shell
Bolt and baffle plate are fixed with odd-side input gear, it is ensured that the axially position of the second axle；Free end is positioned in first axle axis hole, is risen auxiliary
The effect of support is helped, simultaneously, it is ensured that first axle and the requirement of the axiality of the second axle.
The axle tooth of main tank and odd-side uses straight tooth structure, no axial force；Main tank jackshaft uses cylinder roller bearing
Support, main tank jackshaft is connected with jackshaft gear by key, and the fixing end of the second axle and the rear end of auxiliary box output shaft are adopted
Supported with deep groove ball bearing, pretension is not needed, maintenance assembling is good, the front end of auxiliary box output shaft is using 1 Split type cylindrical
Roller bearing is arranged in odd-side input gear；The two ends of odd-side jackshaft are supported using cylinder roller bearing, odd-side
Middle odd-side gear shifting cylinder is supported using two ends, is improved support stiffness, gear shift is more smoothed out；Meanwhile, odd-side sliding selector shaft
Processing is fluted, and mechanical interlocked by interlocking steel ball and the major and minor case of interlocking plunger progress with main box shift shift fork axle, synchronizer is used
Increase and design and be designed with oilhole, synchronizer rubbing surface uses high-quality friction material.
The housing of transmission assembly is using front and rear separate form, and three housings before, during and after being divided into coat the housing of main tank
Radiated using surface radiating muscle.
Synchronizer shift fork uses bolt-connection, convenient for assembly and dismounting with odd-side sliding selector shaft.
Side draw power window is provided with main tank upper right jackshaft, it is convenient from countershaft-gear power taking, realize particular requirement.
Transmission assembly mileage, which is counted, uses mechanical worm gear structure, safe and reliable, unwise to gear luboil cleanness
Sense.
Compared with prior art, its advantage is the utility model：Berth-changing strength is alleviated, increases the use longevity of synchronizer
Life, reduces complete vehicle fault rate；Gear is clear, and gear shift flexibly, can use list H, single pole, double-rod, flexible shaft manipulation；Moment of torsion is transmitted to increase
Plus, make whole system relatively reliable durable.
Brief description of the drawings
Fig. 1 is main tank structural representation of the present utility model；
Fig. 2 is odd-side structural representation of the present utility model；
Fig. 3 be in Fig. 2 A-A to partial sectional view；
Fig. 4 is auxiliary box cylinder supporting construction of the present utility model and couples schematic diagram with shift fork；
Fig. 5 is shifting between master and slave boxes structural representation of the present utility model；
Fig. 6 is transmission assembly outline drawing of the present utility model.
Wherein, 1- first axles, the axles of 2- second, 3- first axle input gears, 4- reduction gearing, 5- main tank jackshafts, 6- tetra-
Shelves gear, 7- third gears, 8- intermediate gears, the shelves gears of 9- mono-, 10- back gears, 11- sliding gear collars A, 12- sliding gear collar
B, 13- odd-side input gear, 14- reduction gearing, 15- odd-side jackshafts, 16- synchronizers, 17- low regime clutch, the output of 18- odd-sides
Housing in axle, 19- ring flanges, 20- bolts, 21- baffle plates, 22- turbines, 23- worm screws, 24-, 25- back casings, 26- odd-side gear shift
Shift fork axle, 27- synchronizer shift forks, 28- bolts, 29- top covers, 30- gas circuits, 31- control valves, 32- interlocking plungers, 33- interlocking steel balls,
34- reversal valves, 35- cover plates.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings：
As shown in figure 1, the medium-sized 9 gear gearbox assembly of the double jackshafts of modified, is made up of, main tank is controlled manually main tank and odd-side
System 5 drive shifts of system and 1 reverse gear, gear shift is controlled using sliding gear collar, and high-grade and low-grade 2 gears of odd-side pneumatic control are adopted
With synchronizer shift, when odd-side is low-grade, gear shift can be achieved in 5 grades of main tank and reverse gear, and wherein 1 grade of main tank is hill gear, is met
The demand of low-speed big；When odd-side is high-grade, one grade of locking main tank and reverse gear are controlled by gas circuit, main tank can realize 4 shelves
Position control, forms 9 drive shifts, 1 reverse gear altogether；Major-minor case is straight tooth structure, speed changer on 9 grades of twin countershaft transmissions
Using side draw power structure.Main tank and odd-side are double jackshaft transmission power, and the main shaft and mainshaft gear of main tank float, odd-side master
Axle is fixed, and mainshaft gear floats.
The tail end of first axle 1 is connected with the second axle 2, the lower-left of the second axle, upper-right position (driver side in described main tank
To) it is reduction gearing 4 on two identical and symmetrical main tank jackshafts 5, main tank jackshaft and first axle input gear 3
Other gears on engagement, main tank jackshaft are engaged with the respective gears on the second axle, the back gear 10 and one on the second axle
Being filled respectively between shelves gear 9, between intermediate gear 8 and third gear 7 has 1 sliding gear collar A11, fourth gear 6 and first axle
Input gear 3 between be connected equipped with 1 sliding gear collar B12, sliding gear collar with main tank shift fork, main tank shift fork is changed by main tank again
Shelves fork shaft is connected on transmission control.
In odd-side as shown in Figures 2 to 4, the second axle 2 is connected with odd-side input gear 13 by bolt 20 and baffle plate 21,
Reduction gearing 14 on odd-side jackshaft 15 is engaged with odd-side input gear 13, the low regime clutch 17 on auxiliary box output shaft 18 and pair
Case jackshaft axle tooth is engaged, and synchronizer 16 is housed, synchronizer shift fork 27 is by fork shaft 26 between low regime clutch 17 and odd-side input shaft
Worm screw 23 is installed, turbine 22 is engaged with worm screw 23 on control, auxiliary box output shaft 18.The outer end of auxiliary box output shaft 18 is connected with flange
Disk 19.
Second axle 2 is fixed using rear end, the free mounting means in front end, including fixing end and free end, and fixing end passes through
Bolt 20 and baffle plate 21 are fixed with odd-side input gear 13, it is ensured that the axially position of the second axle 2；Free end is positioned over first axle 1
In axis hole, play Auxiliary support, simultaneously, it is ensured that the axiality requirement of the axle 2 of first axle 1 and second.
The axle tooth of main tank and odd-side uses straight tooth structure, no axial force；Main tank jackshaft uses cylinder roller bearing
Support, the fixing end of the second axle and the rear end of auxiliary box output shaft are supported using deep groove ball bearing, and pretension, maintenance dress are not needed
Good with property, the front end of auxiliary box output shaft is arranged in odd-side input gear 13 using a Split type cylindrical roller bearing；Odd-side
The two ends of jackshaft are supported using cylinder roller bearing, and odd-side gear shifting cylinder is supported using two ends in odd-side, is improved
Support stiffness, makes gear shift more smooth out.
As shown in figure 4, the back casing 25 of the middle housing 24 of speed changer and speed changer supports the (cylinder of sliding selector shaft 26 jointly
Piston rod), auxiliary box cylinder is assembled using split-type structural, and maintainability is good；Synchronizer shift fork 27 is adopted with odd-side sliding selector shaft 26
Coupled with bolt 28, convenient for assembly and dismounting.
As shown in figure 5, transmission control uses double-valve structure, by the control valve 31 on top cover 29 and installation
Constituted in the reversal valve 34 on the middle housing 24 of speed changer, only in main tank neutral gear, control valve ventilation, reversal valve 34 receives to change
Shelves handle gas control signal control auxiliary box cylinder realizes that gear shift is acted, and this is controlled for main odd-side electrical interlocks.In addition, odd-side gear shift is dialled
Fork shaft processing is fluted, real by interlocking plunger 32 and interlocking steel ball 33 between main box shift shift fork axle and odd-side sliding selector shaft 26
Existing main and auxiliary boxes tool interlocking.
When odd-side is low-grade, gear shift can be achieved in 5 drive shifts of main tank and reverse gear.When odd-side is high-grade, go out from reversal valve 34
The gases at high pressure come are passed through top cover lockable mechanism by three-port structure and gas circuit 30, and locking is carried out to one grade of main tank and reverse gear,
So as to realize 9 grades of controls of speed changer.
As shown in fig. 6, the lateral layout of middle housing 24 of speed changer has power takeoff window, for installing power takeoff, it is convenient from
Countershaft-gear power taking, realizes particular requirement, it is not necessary to when sealed with cover plate 35.
The housing of transmission assembly is using front and rear separate form, and three housings before, during and after being divided into coat the housing of main tank
Radiated using surface radiating muscle, for the shorter barrel-type casing of length, with dividing shell phase ratio up and down, front and rear point of shell is conducive to carrying
High FCL rigidity, and speed changer assembling, it is easy to maintenance, maintainability is good.
Transmission assembly mileage, which is counted, uses mechanical worm gear structure, safe and reliable, unwise to gear luboil cleanness
Sense.
Described main tank jackshaft is connected with jackshaft gear by key, and jackshaft gear press-fits work after using heat
Skill.
Synchronizer is designed using increasing and is designed with oilhole in described odd-side, meanwhile, synchronizer rubbing surface is used
High-quality friction material, improves shift property and reliability.
Claims (10)
1. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified, including main tank and odd-side, it is characterised in that：Main tank is using slip
Tooth set controls 5 drive shifts and 1 reverse gear manually, and 5 drive shifts include one grade to five grades, and one grade is hill gear, and odd-side is used
High-grade and low-grade 2 gears of synchronizer pneumatic control, when odd-side state is low grade, 5 drive shifts and reverse gear of main tank
Gear shift is carried out, when odd-side state is top grade, one grade and reverse gear of locking main tank are controlled by gas circuit, main tank can realize 4 shelves
Position control, forms 9 drive shifts, 1 reverse gear altogether.
2. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 1, it is characterised in that：In main tank
The tail end of one axle is connected with the second axle, and the lower-left of the second axle, upper-right position are two identical and symmetrical main tank jackshafts,
Reduction gearing on main tank jackshaft is engaged with first axle input gear, other gears on main tank jackshaft respectively with the second axle
On respective gears engagement；Between back gear and a shelves gear on second axle, between intermediate gear and third gear, fourth gear
1 sliding gear collar is respectively provided between gear and the input gear of first axle, all sliding gear collars are connected with main tank shift fork, it is main
Case shift fork is connected to transmission control by main box shift shift fork axle again.
3. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 2, it is characterised in that：Speed changer is grasped
Vertical mechanism uses double-valve structure, including control valve and reversal valve, and control valve is arranged on transmission top cover, is allowed during main tank neutral gear
Odd-side gear shift, carries out main tank and the mutual lock control of odd-side；Reversal valve is arranged in after control valve, receives the automatically controlled letter of gear shifting handle
Number, control auxiliary box cylinder gear shift to act by gas circuit, meanwhile, there is gas circuit all the way to lead to the speed change of main tank when odd-side is located at high-grade
At device top cover, one grade of locking main tank and reverse gear.
4. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 2, it is characterised in that：Wrapped in odd-side
Odd-side input shaft, odd-side jackshaft and auxiliary box output shaft are included, the second axle is connected with odd-side input gear, the front end of auxiliary box output shaft
It is arranged in by bearing in odd-side input gear, the reduction gearing of odd-side jackshaft is engaged with odd-side input gear, odd-side output
Low regime clutch on axle is engaged with odd-side jackshaft axle tooth, and synchronizer, synchronizer are housed between low regime clutch and odd-side input shaft
Controlled by synchronizer shift fork by odd-side sliding selector shaft, the outer end of auxiliary box output shaft is connected with ring flange.
5. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 4, it is characterised in that：Second axle is adopted
Fixed with rear end, the free mounting means in front end, including fixing end and free end, fixing end is defeated by bolt and baffle plate and odd-side
Enter gear to fix；Free end is positioned in first axle axis hole.
6. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 4, it is characterised in that：Main tank and pair
The axle tooth of case uses straight tooth structure, no axial force；Main tank jackshaft using cylinder roller bearing support, main tank jackshaft with
Jackshaft gear is connected by key, and the fixing end of the second axle and the rear end of auxiliary box output shaft are supported using deep groove ball bearing,
The front end of auxiliary box output shaft is arranged in odd-side input gear using 1 Split type cylindrical roller bearing；The two of odd-side jackshaft
End is supported using cylinder roller bearing.
7. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 4, it is characterised in that：Synchronizer is dialled
Fork uses bolt-connection with odd-side sliding selector shaft；Odd-side gear shifting cylinder is supported using two ends in odd-side；Meanwhile, odd-side gear shift is dialled
Fork shaft processing is fluted, with main box shift shift fork axle by interlocking steel ball and interlocking plunger mechanical interlocked, the synchronizer that carries out major and minor case
Using increasing design and being designed with oilhole, synchronizer rubbing surface uses high-quality friction material.
8. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 1, it is characterised in that：Speed changer is total
Into housing using front and rear separate form, three housings before, during and after being divided into, the housing of cladding main tank is entered using surface radiating muscle
Row radiating.
9. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 1, it is characterised in that：Main tank upper right
Side draw power window is provided with jackshaft.
10. the medium-sized 9 gear gearbox assembly of the double jackshafts of modified according to claim 1, it is characterised in that：Speed changer is total
Counted into mileage and use mechanical worm gear structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477660.XU CN206555383U (en) | 2016-12-30 | 2016-12-30 | The medium-sized 9 gear gearbox assembly of the double jackshafts of modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477660.XU CN206555383U (en) | 2016-12-30 | 2016-12-30 | The medium-sized 9 gear gearbox assembly of the double jackshafts of modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555383U true CN206555383U (en) | 2017-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621477660.XU Active CN206555383U (en) | 2016-12-30 | 2016-12-30 | The medium-sized 9 gear gearbox assembly of the double jackshafts of modified |
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| CN (1) | CN206555383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058398A (en) * | 2018-09-28 | 2018-12-21 | 陕西法士特齿轮有限责任公司 | A kind of 11 gear gearbox of commercial vehicle |
| CN109667927A (en) * | 2018-12-12 | 2019-04-23 | 西安法士特汽车传动有限公司 | A kind of major-minor case speed changer interlocking gas circuit control structure and control method |
-
2016
- 2016-12-30 CN CN201621477660.XU patent/CN206555383U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058398A (en) * | 2018-09-28 | 2018-12-21 | 陕西法士特齿轮有限责任公司 | A kind of 11 gear gearbox of commercial vehicle |
| CN109058398B (en) * | 2018-09-28 | 2024-01-02 | 陕西法士特齿轮有限责任公司 | Eleven-gear transmission of commercial vehicle |
| CN109667927A (en) * | 2018-12-12 | 2019-04-23 | 西安法士特汽车传动有限公司 | A kind of major-minor case speed changer interlocking gas circuit control structure and control method |
| CN109667927B (en) * | 2018-12-12 | 2024-02-13 | 西安法士特汽车传动有限公司 | Main and auxiliary gearbox interlocking gas circuit control structure and control method |
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