CN202946624U - 16-gear automobile gearbox - Google Patents
16-gear automobile gearbox Download PDFInfo
- Publication number
- CN202946624U CN202946624U CN 201220500478 CN201220500478U CN202946624U CN 202946624 U CN202946624 U CN 202946624U CN 201220500478 CN201220500478 CN 201220500478 CN 201220500478 U CN201220500478 U CN 201220500478U CN 202946624 U CN202946624 U CN 202946624U
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- CN
- China
- Prior art keywords
- gear
- shaft
- odd
- axles
- main tank
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a 16-gear automobile gearbox which comprises a first shaft, a second shaft and an auxiliary box main shaft which are sequentially arranged from an input end to an output end. A first shaft differential gear and a first shaft gear are sleeved above the first shaft. A third-gear gear, a second-gear gear, a first-gear gear and a reverse-gear gear are sleeved above on the second shaft. An auxiliary box drive gear is fixed at the tail end of the second shaft through a spline. An auxiliary main shaft reduction gear is supported on the auxiliary box main shaft through a spline spacer. The first shaft gear is connected with the spline spacer through the spline. A first thrust roller bearing and a spacer bush are used for axial location. According to the 16-gear automobile gearbox, a 2*4*2 structure is adopted, the 16-gear automobile gearbox is a three-section type structural platform of a novel main-auxiliary box dual-intermediate-shaft whole-oblique-tooth gearbox, more gears, a high speed ratio range and small speed ratio range can enable actual gear shifting curve to approach a theoretical optimal gear shifting curve, and fuel economy of the whole automobile is improved. Due to design of a die-casting aluminum alloy shell body with light weight, under the condition that strength, appearance and quality are ensured, the total weight of the gearbox is reduced with a large margin, and loading efficiency of the automobile is improved.
Description
[technical field]
The utility model relates to the automotive transmission technical field, particularly a kind of 16 gear automobile speed changers.
[background technique]
With blocking emphatically developing rapidly of industry and component industry, relevant industries rules and increasingly mature consumption demand are had higher requirement to modern truck, are mainly reflected in the aspects such as energy-saving and environmental protection, handling comfort, delivery efficient, reliability, maintainability.As the important component part of heavily blocking power assembly, speed changer is also towards many gears, large speed ratio scope, little differential, lightweight, low noise, the lighter comfortable future development of manipulation.
[model utility content]
The purpose of this utility model is to provide a kind of 16 gear automobile speed changers, its have new structural configuration, more gear, large speed ratio scope and little speed ratio differential, can allow actual gearshift curve more level off to theoretical best gearshift curve, improve the fuel economy of car load.
To achieve these goals, the utility model adopts following technological scheme:
A kind of 16 gear automobile speed changers comprise the axle, two axles and the odd-side main shaft that set gradually from the input end to the output terminal; Be set with an axle differential gear and a shaftgear on one axle, between an axle differential gear and a shaftgear, the first pin-type synchronizer be housed; Be set with three gear gears, second gear, first gear and reverse gear on two axles, the first Double-conical-surface lock ring type synchronizer and the second Double-conical-surface lock ring type synchronizer are housed on two axles, the first Double-conical-surface lock ring type synchronizer is between a shaftgear and three gear gears, and the second Double-conical-surface lock ring type synchronizer is between second gear and first gear; The odd-side actuation gear is fixed in two shaft ends by spline; Odd-side main shaft reduction gear is supported on the odd-side main shaft by the spline pad, and the second pin-type synchronizer is installed on the odd-side main shaft, and described the second pin-type synchronizer is between odd-side actuation gear and odd-side main shaft reduction gear; One shaftgear and spline pad are by splined, by the first thrust roller bearing and spacer axially locating.
The utility model further improves and is: be provided with the second thrust roller bearing between odd-side actuation gear and odd-side main shaft.
The utility model further improves and is: an axle and two next to axis sides are provided with jack shaft; Jack shaft is provided with and an axle differential gear, a shaftgear, three gear gears, second gear, first gear and the normal meshed gears of reverse gear difference; Be made as one with first gear, second gear and the normal meshed gears of reverse gear shaft tooth and jack shaft on jack shaft, all the other gear interference are installed on jack shaft, and locate at axial and circumferencial direction by locating stud.
The utility model further improves and is: described the second pin-type synchronizer is the enhancement mode pin-type synchronizer, and its conical surface is bonded with the metal friction layer.
The utility model further improves and is: also comprise the clutch housing, main tank housing and the bonnet housing that are fixedly connected sequentially; One axle, two axles and odd-side main shaft are arranged at respectively in clutch housing, main tank housing and bonnet housing; Front odd-side cylinder is arranged at the clutch housing leading portion, and the top of front odd-side cylinder is provided with the control valve that is positioned at the clutch housing external body; Be provided with front odd-side O type circle and front odd-side piston in front odd-side cylinder.
The utility model further improves and is: the main tank housing comprises partition wall, has been bolted pressing plate on the partition wall of main tank housing, is provided with interlock board between pressing plate and main tank housing, and interlock board can be free to slide between the partition wall of pressing plate and main tank housing; The odd-side shift fork that connects on the odd-side declutch shift shaft is put into gear when not in place, the main tank declutch shift shaft by interlock board block can not before and after slide and shift gears.
The utility model further improves and is: the front end of output shaft is provided with endoporus, is equipped with in this endoporus without the outer ring roller bearing, and two shaft ends match with inner ring without the outer ring roller bearing.
The utility model further improves and is: main tank declutch shift shaft two ends are supported on the partition wall of clutch housing and main tank housing by sliding bearing or anti-wearing liner.
With respect to prior art, the utlity model has following advantage:
(1) major-minor case three stage structure is arranged: three sections cylindrical shells of speed changer are comprised of clutch housing, main tank housing, bonnet, wherein the clutch housing band one section main tank housing, main tank housing band one section odd-side housing.
(2) axial force balance of train design: the stressed and stressed opposite direction of mainshaft gear of the input shaft gear of the utility model design, equal and opposite in direction, realize in theory stress balance, improved the normal force status of bearing of input shaft, odd-side driving wheel bearing; Odd-side also can adopt the design of similar principles, the axial force balance that actuation gear and odd-side reduction gear are produced.
(3) front odd-side cylinder arrangement scheme: the front odd-side cylinder arrangement of the utility model design is in clutch housing, and servo valve is arranged in cylinder top, clutch housing external body.Like this, when current odd-side O type circle damages, can remove front odd-side piston and change, avoid speed changer is all disassembled, improve the maintainalbility of speed changer.
(4) designed the interlocking structure of main tank and odd-side in the utility model, not in place if odd-side is put into gear, main tank can not be put into gear, the auxiliary box synchronizer fault that can avoid like this misoperation to bring.
(5) the utility model has designed a kind of new intermediate gear and the connecting mode of jack shaft: countershaft-gear matches to merge with certain magnitude of interference and jack shaft and connects with straight pin, guarantees circumference and axially locating on jack shaft.Traditional countershaft-gear and the link between jack shaft are cubic key or semicircular key, can not bear helical gear axial force.Perhaps both welding, not quick detachable.
(6) the utility model has designed forced lubrication structure: lubricating pump is arranged in upper right jack shaft (seeing from back to front) front end.By lubricating oil path, pressure oil is transported to rotary component in speed changer, improves speed changer lubricated.
(7) in the utility model, declutch shift shaft is supported on the partition wall of clutch housing and main tank housing.
16 blocks of a kind of 3 stops core structure of the utility model move speed changer, and the 2x4x2 structure is the three stage structure platform of the two full helical teeth speed variators of jack shaft of a new major-minor case; More gear, large speed ratio scope and little speed ratio be differential can allow actual gearshift curve more level off to theoretical best gearshift curve, improves the fuel economy of car load; Light-weighted pack alloy housing design can in the situation that proof strength and appearance quality significantly reduce the speed changer gross weight, improve vehicle delivery efficient.
[description of drawings]
Fig. 1 is structure diagram of the present utility model;
Fig. 2 is the right elevation of Fig. 1.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1, a kind of 16 gear automobile speed changers of the utility model are the 2x4x2 structures that are made of front odd-side 2, main tank 10 and rear odd-side 13, and integral body is the 3 stops core structure, i.e. as shown in Figure 1 clutch housing 23, main tank housing 20 and bonnet housing 18.In speed changer, the gear on an axle 25, two axles 5 and odd-side main shaft 34 all is the radial floating state, and a shaftgear 27 and spline pad 28 on an axle 25, carry out axially locating by thrust roller bearing assembly 22, spacer 35 by splined and empty set; One axle differential gear 26 also empty set on an axle 25; Pressure lubrication oil pump 17 is arranged in axle head (from flange plate 41 to an axle 25) in the middle of the upper right; The gear oil with pressure that flows out from lubricating pump 17 is lubricated the parts in speed changer through lubricating oil path; Be processed with respectively on one axle 25 and two axles 5 axially and oilhole radially; Between one shaftgear 27 and an axle differential gear 26, pin-type synchronizer 1 is housed, this synchronizer is that gas is handled, and is put into gear by shift fork 4 by the cylinder 3 that is arranged in clutch housing.Gear on jack shaft 36 is made as one external except a gear, two gears and reverse gear shaft tooth the axle teeth of two shaftgears 30,31 and 32 engagements (respectively with) with jack shaft, all match with jack shaft 36 with certain magnitude of interference, and realize the location of the axial and circumferencial direction on jack shaft 36 with locating stud 21.On two axles 5 three gear gear 6, second gear 31, first gear 30, reverse gear 32 empty sets are on two axles 5, carry out axially locating by the long hex key 7 on spline pad 37 and two axles, need not axially to adjust, all gears are the radial floating state on two axles 5.The first Double-conical-surface lock ring type synchronizer 8, the second Double-conical-surface lock ring type synchronizer 9 are housed on two axles 5.In rear odd-side, odd-side actuation gear 33 and two axles 5 pass through spline coupling.Odd-side jack shaft driving gear 38 is welded on odd-side jack shaft 39.Odd-side main shaft reduction gear 16 is supported on odd-side main shaft 34 by spline pad 40, and gear radially also can float, and rear odd-side adopts enhancement mode pin-type synchronizer 12, the conical surface adhesive metallic friction material, and reliability is high.In major and minor speed changer, all gears are the helical teeth design, and adopt roll flute processing, and total contact ratio is large, and gear meshes steadily, noise is little.Odd-side main shaft 34 rear ends are supported on bonnet housing 18 by bearing 56.
Referring to Fig. 2, the power dividing of speed changer of the present utility model and power transmission line are: the power of motor is passed to an axle 25 of speed changer by clutch, pin-type synchronizer 1 on one axle 25 by and an axle 25 on an axle differential gear 26 or a shaftgear 27 engage, thereby realize gear and jack shaft differential gear 44 or 45 engagements of jack shaft driving gear on an axle 25, and then drive jack shaft 36 and on the gear that respectively keeps off rotate, another gear on this moment one axle 25 dallies on an axle 25; Respectively keep off on jack shaft 36 and respectively keep off gear on gear and two axles 5 and often mesh, rotate simultaneously therefore respectively keep off gear on two axles 5.Respectively keep off the gear empty set on two axles 5 on two axles 5, so (on two axles 5 the first Double-conical-surface lock ring type synchronizer 8 is housed, when the second Double-conical-surface lock ring type synchronizer 9 is in the neutral position) two axles 5 do not rotate when neutral.When the first Double-conical-surface lock ring type synchronizer 8 on two axles 5 or the second Double-conical-surface lock ring type synchronizer 9 were shifted to a certain gear and two shaftgears are connected as a single entity with two axles 5, two 5, axles began to rotate.
The power of (when odd-side enhancement mode pin-type synchronizer 12 tooth covers are shifted to speed changer the place ahead) two axles 5 passes to odd-side main shaft 34 by odd-side actuation gear 33 and synchronizer gear sleeve and directly exports when rear odd-side is positioned at the high gear district.When odd-side is positioned at the low gear district (when odd-side enhancement mode pin-type synchronizer 12 tooth covers are shifted to the speed changer rear), the power of two axle 5 outputs passes to odd-side jack shaft driving gear 38 by odd-side actuation gear 33, odd-side jack shaft driving gear 38 drives the odd-side jack shaft 39 that welds together with it, by odd-side main shaft reduction gear 16, synchronizer gear sleeve passes to odd-side main shaft 34 and exports by flange plate 41 again.
Referring to Fig. 1, one rotational axis direction is counterclockwise (from flange plate 41 to an axle 25), and a shaftgear 27 or axle differential gear 26 rotation directions are dextrorotation, as driving wheel, it is to the right stressed, and axial force is applied on an axle 25 by thrust roller bearing assembly 22 and spacer 35.Two shaftgears (as two axle first gears 30), dextrorotation, as driven gear, it is left stressed, and axial force acts on two axles 5 by spline pad 37.One axle 25 is different with the rotating speed of two axles 5, designed thrust roller bearing to bear speed discrepancy between them, such two axial force opposite directions, size can guarantee theoretical equating by calculation of parameter, axial force on one axle 25 and two axles 5 can be offset in theory, avoid an axle bearing 51 and odd-side actuation gear bearing 52 are had the effect of axial force always, reduced the TRANS PROGRAM rate that damage of bearings causes.
Referring to Fig. 1, Fig. 2, the utility model has designed a kind of arrangement of front odd-side cylinder 3 newly.Consider the factors such as the possible interface arrangement of speed changer dismounting complexity, power take-off or retarder, cylinder seal reliability, designed the scheme of cylinder arrangement in clutch housing 23 leading portions, control valve 53 is arranged in directly over front odd-side cylinder 3, clutch housing 23 outsides.Like this, when current odd-side O type circle 54 damages, can remove front odd-side piston 55 and change, avoid speed changer is all disassembled, improve the maintainalbility of speed changer.
Referring to Fig. 1, the utility model has designed a kind of new major-minor case interlocking structure.Pressing plate 46 is bolted on the partition wall of main tank housing 20; interlock board 11 can be free to slide between the partition wall of pressing plate and main tank housing 20; on interlock board 11, processing is porose; guarantee that the odd-side shift fork 14 that connects on odd-side declutch shift shaft 49 puts into gear when not in place; main tank declutch shift shaft 50 is blocked and can not slide front and back by interlock board 11; realize that namely the odd-side main tank not in place of putting into gear can not put into gear, thus the damage that protection auxiliary box synchronizer 12 is put into gear and caused because of the main tank mistake.Odd-side shift fork 14 is put into gear when putting in place, and odd-side declutch shift shaft 49 drives interlock board 11 rotations, and interlock board 11 is deviate from from the draw-in groove of main tank declutch shift shaft 50, and main tank declutch shift shaft 50 can be shifted gears in the front and back slip.
Referring to Fig. 1, designed a kind of locating stud 21, countershaft-gear and jack shaft 36 are linked up, straight pin can guarantee that gear on jack shaft is axially and the co-located of circumferencial direction.
Referring to Fig. 1, in order to improve the support operating mode of output shaft 34, designed a kind ofly without outer ring roller bearing 24 in the rear end of two axles 5, be supported in the front end endoporus of output shaft 34, to bear the additional load from output terminal, also improved the operating mode of putting into gear of auxiliary box synchronizer 12 simultaneously.Be provided with thrust roller bearing 19 between odd-side actuation gear 33 and odd-side main shaft 34.
Referring to Fig. 1, common high to low gear pressure switch 15 is arranged in the rear end of odd-side cylinder head 57, when the rearmounted retarder of speed changer band or rear power takeoff, if do not increase the speed changer overall length, often causes interference like this.In the utility model, high to low gear pressure switch 15 has been arranged on the bonnet housing, when odd-side is put into gear, odd-side shift fork 14 drives high to low gear pressure switch 15, need not increase axial length when making the rearmounted appurtenances of speed changer band.
Referring to Fig. 1, declutch shift shaft 50 is supported on the partition wall of clutch housing and main tank housing, and two end supports can adopt sliding bearing or anti-wearing liner to reduce slip resistance, improves the portability of putting into gear.
Claims (8)
1. a gear automobile speed changer, is characterized in that, comprises the axle (25), two axles (5) and the odd-side main shaft (34) that set gradually from the input end to the output terminal; Be set with an axle differential gear (26) and a shaftgear (27) on one axle (25), between an axle differential gear (26) and a shaftgear (27), the first pin-type synchronizer (1) be housed; Be set with three gear gears, second gear, first gear and reverse gear on two axles (5), the first Double-conical-surface lock ring type synchronizer (8) and the second Double-conical-surface lock ring type synchronizer (9) are housed on two axles, the first Double-conical-surface lock ring type synchronizer (8) is positioned between a shaftgear (27) and three gear gears, and the second Double-conical-surface lock ring type synchronizer (9) is between second gear and first gear; Odd-side actuation gear (33) is fixed in two axles (5) end by spline; Odd-side main shaft reduction gear (16) is supported on odd-side main shaft (34) by spline pad (40), the second pin-type synchronizer (12) is installed on odd-side main shaft (34), and described the second pin-type synchronizer (12) is positioned between odd-side actuation gear (33) and odd-side main shaft reduction gear (16); One shaftgear (27) passes through splined with spline pad (28), by the first thrust roller bearing (22) and spacer (35) axially locating.
2. a kind of 16 gear automobile speed changers according to claim 1, is characterized in that, is provided with the second thrust roller bearing (19) between odd-side actuation gear (33) and odd-side main shaft (34).
3. a kind of 16 gear automobile speed changers according to claim 1, is characterized in that, an axle (25) and two axles (5) side are provided with jack shaft (36); Jack shaft (36) is provided with and an axle differential gear (26), a shaftgear (27), three gear gears, second gear, first gear and the normal meshed gears of reverse gear difference; Jack shaft (36) is upper is made as one with first gear, second gear and the normal meshed gears of reverse gear shaft tooth and jack shaft, and all the other gear interference are installed on jack shaft (36), and locate at axial and circumferencial direction by locating stud (21).
4. a kind of 16 gear automobile speed changers according to claim 1, is characterized in that, described the second pin-type synchronizer (12) is the enhancement mode pin-type synchronizer, and its conical surface is bonded with the metal friction layer.
5. a kind of 16 gear automobile speed changers according to claim 1, is characterized in that, also comprises the clutch housing (23), main tank housing (20) and the bonnet housing (18) that are fixedly connected sequentially; One axle (25), two axles (5) and odd-side main shaft (34) are arranged at respectively in clutch housing (23), main tank housing (20) and bonnet housing (18); Front odd-side cylinder (3) is arranged at clutch housing (23) leading portion, and the top of front odd-side cylinder (3) is provided with and is positioned at the outside control valve (53) of clutch housing (23); Be provided with front odd-side O type circle (54) and front odd-side piston (55) in front odd-side cylinder (3).
6. a kind of 16 gear automobile speed changers according to claim 5, it is characterized in that, main tank housing (20) comprises partition wall, be bolted pressing plate (46) on the partition wall of main tank housing (20), be provided with interlock board (11) between pressing plate (46) and main tank housing (20), interlock board (11) can be free to slide between the partition wall of pressing plate and main tank housing (20); The upper odd-side shift fork (14) that connects of odd-side declutch shift shaft (49) is put into gear when not in place, main tank declutch shift shaft (50) by interlock board (11) block can not before and after slide and shift gears.
7. a kind of 16 gear automobile speed changers according to claim 1, it is characterized in that, the front end of output shaft (34) is provided with endoporus, is equipped with in this endoporus without outer ring roller bearing (24), and two axles (5) end matches with inner ring without outer ring roller bearing (24).
8. a kind of 16 gear automobile speed changers according to claim 5, is characterized in that, main tank declutch shift shaft (50) two ends are supported on the partition wall of clutch housing (23) and main tank housing (20) by sliding bearing or anti-wearing liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500478 CN202946624U (en) | 2012-09-27 | 2012-09-27 | 16-gear automobile gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500478 CN202946624U (en) | 2012-09-27 | 2012-09-27 | 16-gear automobile gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946624U true CN202946624U (en) | 2013-05-22 |
Family
ID=48422328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500478 Expired - Lifetime CN202946624U (en) | 2012-09-27 | 2012-09-27 | 16-gear automobile gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946624U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878254A (en) * | 2012-09-27 | 2013-01-16 | 陕西法士特齿轮有限责任公司 | 16-speed automobile transmission |
| CN110219949A (en) * | 2019-03-22 | 2019-09-10 | 陕西法士特齿轮有限责任公司 | One kind 12 keeps off automatic mechanical transmission |
| CN112081882A (en) * | 2020-09-17 | 2020-12-15 | 陕西法士特齿轮有限责任公司 | Eight-gear small-torque transmission |
-
2012
- 2012-09-27 CN CN 201220500478 patent/CN202946624U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878254A (en) * | 2012-09-27 | 2013-01-16 | 陕西法士特齿轮有限责任公司 | 16-speed automobile transmission |
| CN102878254B (en) * | 2012-09-27 | 2016-01-20 | 陕西法士特齿轮有限责任公司 | A kind of 16 grades of automotive transmissions |
| CN110219949A (en) * | 2019-03-22 | 2019-09-10 | 陕西法士特齿轮有限责任公司 | One kind 12 keeps off automatic mechanical transmission |
| CN110219949B (en) * | 2019-03-22 | 2024-02-06 | 陕西法士特齿轮有限责任公司 | 12 keep off mechanical type automatic gearbox |
| CN112081882A (en) * | 2020-09-17 | 2020-12-15 | 陕西法士特齿轮有限责任公司 | Eight-gear small-torque transmission |
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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: 20130522 |
|
| CX01 | Expiry of patent term |