CN201065917Y - Double middle shaft ten-gear automobile speed changer - Google Patents
Double middle shaft ten-gear automobile speed changer Download PDFInfo
- Publication number
- CN201065917Y CN201065917Y CNU2007200323501U CN200720032350U CN201065917Y CN 201065917 Y CN201065917 Y CN 201065917Y CN U2007200323501 U CNU2007200323501 U CN U2007200323501U CN 200720032350 U CN200720032350 U CN 200720032350U CN 201065917 Y CN201065917 Y CN 201065917Y
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- gear
- odd
- shaft
- synchronizer
- jack shaft
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Abstract
The utility model discloses a double-intermediate-shaft and ten-shift automobile transmission, comprising a master transmission and an auxiliary transmission, wherein, the master transmission comprises a first shaft and a second shaft arranged in the master casing; two intermediate shafts are symmetrically arranged in parallel on both sides of the second shaft respectively; the transmission gear on the intermediate shaft is constant-meshed with the gear on the first shaft; the forward shift and the reverse shift on the intermediate shaft are meshed with the forward shift gear and the reverse shift gear on the second shaft respectively; the auxiliary transmission comprises a spindle of auxiliary case arranged in the auxiliary casing; the reducing gear of the auxiliary case spindle is meshed with the shaft gear arranged on the intermediate shaft of the auxiliary case; the transmission gear of the auxiliary case on the intermediate shaft of the auxiliary case is meshed with the driving gear of the auxiliary case on the second shaft; the driving gear of the auxiliary case is connected with the master casing via a bearing. The utility model has the advantages of rational design, advanced technology, more shifts, wide ratio range, small stage head, large ratio of first shift, large reserve coefficient of torque, good heavy-duty starting and climbing ability and high fuel economy.
Description
Technical field
The utility model relates to a kind of automotive transmission, is specifically related to a kind of pair of jack shaft ten gear vehicle speed changers.
Background technique
How improving the comprehensive matching ability of mechanical transmission, is an important topic in the design of Hyundai Motor transmission system.Particularly along with development and national economy, growth in the living standard and China's Freeway Development, the demand of large-tonnage long haul trailer, container tractor has had very big growth, for the vehicle speed range of driving comfortability, tractor, have higher requirement at the starting ability and the aspects such as grade ability, operational safety and cost on various gradients road surface.These requirements embody a concentrated reflection of in the requirement to speed changer, as have wideer ratio coverage under same torque, gear; The big speed ratio value of first speed to be satisfying the requirement of starting ability, grade ability, and all forward gears all have synchronizer and alleviate gearshift power with the requirement of satisfying driving comfortability and speed changer high-bearing capacity etc.Need badly in this case and design and develop the full synchronizer automotive transmission of two jack shaft ten retainings.
The model utility content
The purpose of this utility model is to provide a kind of reasonable in design at above-mentioned the deficiencies in the prior art, and gear is many, ratio coverage is wide, and is differential little, and a retaining speed ratio is big, coefficient of torque reserve is big, and the car load heavy duty starts to walk, grade ability is strong, the two jack shaft ten gear vehicle speed changers of fuel-efficient.
For achieving the above object, the technological scheme that the utility model adopted is: a kind of pair of jack shaft ten gear vehicle speed changers, comprise that interconnective major and minor speed changer forms, described basic trnasmission comprises that be arranged in the main tank housing 6 one 1, one 1 is connected with main tank housing 6 by bearing 2; Be positioned at one 1 right-hand member, be provided with two 8 with its same axis, be provided with for two 8 and comprise a plurality of main tank synchronizers and a forward gear gear and a reverse gear that reverses gear synchronizer 16, adopt the hinge floating structure for two 8, its rear end is connected with main tank housing 6 by bearing 21, be provided with odd-side synchronizer 19 between described odd-side main shaft reduction gear 18 and the odd-side actuation gear 20, it is characterized in that: be positioned at two 8 both sides, in parallel and be symmetrically arranged with two jack shafts 23, jack shaft 23 is connected with main tank housing 6 with right-hand member bearing 22 by its left end bearing 28; Shaftgear 3 on driving gear 5 on the jack shaft 23 and one 1 often meshes, and the forward gear gear on the jack shaft 23 is meshed with two 8 the above forward gear gears, and the reverse gear on the jack shaft 23 is meshed with two 8 the above reverse gears by idle wheel; Described auxiliary transmission comprises single H operating mechanism that is arranged on the odd-side housing 36 and the odd-side main shaft 15 that is arranged in the odd-side housing 36, flange plate 14 on the output terminal auxiliary connection tank shell 36 of odd-side main shaft 15, odd-side main shaft reduction gear 18 be arranged on odd-side jack shaft 33 on the axle tooth be meshed, odd-side actuation gear 20 engagements on odd-side driving gear 32 on the odd-side jack shaft 33 and two 8, odd-side actuation gear 20 is connected on the main tank housing 6 by bearing 21.
The utility model compared with prior art has the following advantages:
(1) the utility model gear is many, 10 retainings; Ratio coverage is wide, 14.94-1.00; Differential little, 1.34; One retaining speed ratio is big, and 14.94;
(2) coefficient of torque reserve is big, and the car load heavy duty starts to walk, grade ability is strong, the fuel economy height;
Go up all forward gears for (3) two and set up bipyramid face lock ring type synchronizer, friction torque is strengthened, the synchronizer life-span improves, and has alleviated gearshift power, reduces user's labor intensity, improves comfortable feel;
(4) main tank gear serration design, so stable drive, noise reduces;
(5) single H handles, and gear is clear, and the block selecting stroke is short, and gearshift is convenient, is convenient to the indoor layout of car steering;
(6) the gear double self locking prevents retaining, ensures driving safety.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is the linkage structure schematic representation of the utility model odd-side driving gear 32 and odd-side actuation gear 20.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As depicted in figs. 1 and 2, the utility model comprises that interconnective major and minor speed changer forms, and described basic trnasmission comprises that be arranged in the main tank housing 6 one 1, one 1 is connected with main tank housing 6 by bearing 2; Be positioned at one 1 right-hand member, be provided with two 8 with its same axis, be provided with for two 8 and comprise a plurality of main tank synchronizers and a forward gear gear and a reverse gear that reverses gear synchronizer 16, adopt the hinge floating structure for two 8, its rear end is connected with main tank housing 6 by bearing 21, is provided with odd-side synchronizer 19 between described odd-side main shaft reduction gear 18 and the odd-side actuation gear 20; Be positioned at two 8 both sides, in parallel and be symmetrically arranged with two jack shafts 23, jack shaft 23 is connected with main tank housing 6 with right-hand member bearing 22 by its left end bearing 28; Shaftgear 3 on driving gear 5 on the jack shaft 23 and one 1 often meshes, and the forward gear gear on the jack shaft 23 is meshed with two 8 the above forward gear gears, and the reverse gear on the jack shaft 23 is meshed with two 8 the above reverse gears by idle wheel; Described auxiliary transmission comprises single H operating mechanism that is arranged on the odd-side housing 36 and the odd-side main shaft 15 that is arranged in the odd-side housing 36, flange plate 14 on the output terminal auxiliary connection tank shell 36 of odd-side main shaft 15, odd-side main shaft reduction gear 18 be arranged on odd-side jack shaft 33 on the axle tooth be meshed, odd-side actuation gear 20 engagements on odd-side driving gear 32 on the odd-side jack shaft 33 and two 8, odd-side actuation gear 20 is connected on the main tank housing 6 by bearing 21.
The described main tank synchronizer that is positioned on two 8 is provided with double self locking mechanism, and the gear on two 8 places the both sides of described main tank synchronizer respectively, and the left and right sides of each gear is provided with the gear location-independent mechanism that the spline pad forms.
Odd-side synchronizer 19 is pin-type synchronizer, bipyramid face lock ring type synchronizer or single bipyramid face lock ring type synchronizer.
One synchronizer 16 that reverses gear is half synchronizer structure, one retaining, one side is a bipyramid face lock ring type synchronizer structure, the side synchronizer combined cover that reverses gear is connected by back taper tooth spline with two reverse gear assemblies, and two reverse gear spline housings are fixedly connected on two reverse gears.
Odd-side synchronizer 19 is connected with scope retaining shift fork 9, and scope retaining shift fork 9 is installed on the declutch shift shaft 10, and declutch shift shaft 10 is connected with scope retaining cylinder piston 12.
Described double self locking mechanism comprises the back taper tooth self-locking mechanism that is arranged on the synchronizer and is arranged on the self-locking mechanism of self-locking spring and self-locking steel ball composition on the loam cake declutch shift shaft.
Odd-side synchronizer 19 is for pin-type synchronizer and be provided with back taper tooth self-locking mechanism.
Described single H operating mechanism is provided with the scope block locking mechanism.
In the utility model when work (with a retaining and reverse gear be example), the power of motor is given one 1 and a shaftgear 3 of basic trnasmission by clutch transmits; One shaftgear 3 is with the 5 normal engagements of jack shaft driving gear and drive jack shaft 23, jack shaft first gear (jack shaft axle tooth) often meshes with two first gears 17, two first gears 17 dally on two and engage gear ring by internal spline with the synchronizer of bipyramid face lock ring type half synchronizer 4-3 and link to each other, because a synchronizer toothholder that reverses gear synchronizer 16 is connected with two splines, promote the outer gear arm of operating mechanism, will drive the manipulation shifting block, the selector fork axle, selector fork, synchronizer gear sleeve moves together, when synchronizer gear sleeve (internal spline) engages gear ring (by the friction synchronous effect) joint with synchronizer after (synchronizer engages the gear ring external splines and the gear internal spline is connected as a single entity), then two become one with two first gears and rotate and transferring power according to certain speed ratio, and give odd-side actuation gear 20 with transmission of power, by dynamic branch, moment of torsion is passed to odd-side jack shaft driving gear 32 respectively; Odd-side jack shaft axle tooth 33 often meshes with odd-side reduction gear 18, by odd-side pin-type synchronizer 19, power is converged to odd-side main shaft 15, passes through output flange 14 outputting powers again.It is similar with it to change when reversing gear operation, difference be to hang synchronizer gear ring when reversing gear directly be welded to reverse gear on the reverse gear spline housing engage, no longer include the synchronizing process (so keep off and the synchronizer that reverses gear is half synchronizer structure) of synchronizer.
When two retaining auxiliary transmissions are positioned at the high gear district, two outputting powers of main tank are by the engagement of the cover of the tooth on odd-side actuation gear 20 and the odd-side pin-type synchronizer 19, give odd-side main shaft 15 with transmission of power and by output flange 14 outputting powers.The mobile realization auxiliary transmission gearshift of synchronizer therebetween keeps off the system manipulation that cylinder piston 12 is formed by scope retaining shift fork 9, declutch shift shaft 10, scope retaining cylinder 11, scope.
Claims (8)
1. two jack shaft ten gear vehicle speed changers comprise that interconnective major and minor speed changer forms, and described basic trnasmission comprises (1) that is arranged in the main tank housing (6), and one (1) is passed through bearing (2) and is connected with main tank housing (6); Be positioned at (a 1) right-hand member, be provided with two (8) with its same axis, two (8) are provided with and comprise a plurality of main tank synchronizers and a forward gear gear and a reverse gear that reverses gear synchronizer (16), two (8) adopt the hinge floating structure, its rear end is connected with main tank housing (6) by bearing (21), be provided with odd-side synchronizer (19) between described odd-side main shaft reduction gear (18) and the odd-side actuation gear (20), it is characterized in that: the both sides that are positioned at two (8), in parallel and be symmetrically arranged with two jack shafts (23), jack shaft (23) is connected with main tank housing (6) with right-hand member bearing (22) by its left end bearing (28); Driving gear (5) on the jack shaft (23) and the normal engagement of the shaftgear (3) on (1), forward gear gear on the jack shaft (23) is meshed with two (8) the above forward gear gear, and the reverse gear on the jack shaft (23) is meshed with two (8) the above reverse gears by idle wheel; Described auxiliary transmission comprises the single H operating mechanism that is arranged on the odd-side housing (36) and is arranged on the interior odd-side main shaft (15) of odd-side housing (36), flange plate (14) on the output terminal auxiliary connection tank shell (36) of odd-side main shaft (15), odd-side main shaft reduction gear (18) be arranged on odd-side jack shaft (33) on the axle tooth be meshed, odd-side actuation gear (20) engagement on odd-side driving gear (32) on the odd-side jack shaft (33) and two (8), odd-side actuation gear (20) is connected on the main tank housing (6) by bearing (21).
2. a kind of pair of jack shaft ten gear vehicle speed changers according to claim 1, it is characterized in that: the described main tank synchronizer that is positioned on two (8) is provided with double self locking mechanism, gear on two (8) places the both sides of described main tank synchronizer respectively, and the left and right sides of each gear is provided with the gear location-independent mechanism that the spline pad forms.
3. a kind of pair of jack shaft ten gear vehicle speed changers according to claim 1 is characterized in that: described odd-side synchronizer (19) is pin-type synchronizer, bipyramid face lock ring type synchronizer or single bipyramid face lock ring type synchronizer.
4. a kind of pair of jack shaft ten gear vehicle speed changers according to claim 1, it is characterized in that: described one synchronizer (16) that reverses gear is half synchronizer structure, one retaining, one side is a bipyramid face lock ring type synchronizer structure, the side synchronizer combined cover that reverses gear is connected by back taper tooth spline with two reverse gear assemblies, and two reverse gear spline housings are fixedly connected on two reverse gears.
5. a kind of pair of jack shaft ten gear vehicle speed changers according to claim 3, it is characterized in that: described odd-side synchronizer (19) is connected with scope retaining shift fork (9), scope retaining shift fork (9) is installed on the declutch shift shaft (10), and declutch shift shaft (10) is connected with scope retaining cylinder piston (12).
6. a kind of pair of jack shaft ten gear vehicle speed changers according to claim 2 is characterized in that: described double self locking mechanism comprises the back taper tooth self-locking mechanism that is arranged on the synchronizer and is arranged on the self-locking mechanism of self-locking spring and self-locking steel ball composition on the loam cake declutch shift shaft.
7. a kind of pair of jack shaft ten gear vehicle speed changers according to claim 3 is characterized in that: described odd-side synchronizer (19) is for pin-type synchronizer and be provided with back taper tooth self-locking mechanism.
8. a kind of pair of jack shaft ten gear vehicle speed changers according to claim 1 is characterized in that: described single H operating mechanism is provided with the scope block locking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323501U CN201065917Y (en) | 2007-07-25 | 2007-07-25 | Double middle shaft ten-gear automobile speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323501U CN201065917Y (en) | 2007-07-25 | 2007-07-25 | Double middle shaft ten-gear automobile speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065917Y true CN201065917Y (en) | 2008-05-28 |
Family
ID=39483094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200323501U Expired - Lifetime CN201065917Y (en) | 2007-07-25 | 2007-07-25 | Double middle shaft ten-gear automobile speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065917Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975249A (en) * | 2010-11-10 | 2011-02-16 | 中国第一汽车集团公司 | Heavy ten-gear speed changer assembly |
| CN102052453A (en) * | 2010-12-23 | 2011-05-11 | 浙江长泰机械有限公司 | Auxiliary supporting structure for planetary mechanism assembly of planetary transmission pair speed changer of automobile speed changer |
| CN106641195A (en) * | 2017-01-23 | 2017-05-10 | 中国第汽车股份有限公司 | Heavy 12-gear AMT transmission assembly |
| CN108953509A (en) * | 2018-08-03 | 2018-12-07 | 东南大学 | A kind of more speed transmissions with jackshaft |
| CN110296185B (en) * | 2019-08-06 | 2024-01-30 | 特百佳动力科技股份有限公司 | Heavy-duty gearbox |
-
2007
- 2007-07-25 CN CNU2007200323501U patent/CN201065917Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975249A (en) * | 2010-11-10 | 2011-02-16 | 中国第一汽车集团公司 | Heavy ten-gear speed changer assembly |
| CN102052453A (en) * | 2010-12-23 | 2011-05-11 | 浙江长泰机械有限公司 | Auxiliary supporting structure for planetary mechanism assembly of planetary transmission pair speed changer of automobile speed changer |
| CN106641195A (en) * | 2017-01-23 | 2017-05-10 | 中国第汽车股份有限公司 | Heavy 12-gear AMT transmission assembly |
| CN108953509A (en) * | 2018-08-03 | 2018-12-07 | 东南大学 | A kind of more speed transmissions with jackshaft |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080528 |
|
| CX01 | Expiry of patent term |