CN205745123U - Six shift transmissions - Google Patents
Six shift transmissions Download PDFInfo
- Publication number
- CN205745123U CN205745123U CN201520980033.7U CN201520980033U CN205745123U CN 205745123 U CN205745123 U CN 205745123U CN 201520980033 U CN201520980033 U CN 201520980033U CN 205745123 U CN205745123 U CN 205745123U
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- China
- Prior art keywords
- jackshaft
- gear
- axles
- axle
- keep
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Abstract
nullThis utility model discloses a kind of six shift transmissions，Including case of transmission，The axle for input power being arranged in transmission case body、For exporting two axles of power and for transmitting the jackshaft that an axle power exports to two axles，On described two axles, circumference is fixed with the joint toothholder that reverses gear，Two axles are provided with two axle reverse gears by needle bearing，It is provided with idle pulley between described jackshaft and two axle reverse gears，Two axle reverse gears are meshed with idle pulley，Be meshed with a jackshaft side end face of described two axle reverse gears of idle pulley is provided with groove，The sidewall of described groove is provided with for engaging, with reversing gear, the internal tooth that toothholder is meshed，The opposite side of described two axle reverse gears is provided with the fork slot for matching with the shift fork foot of back fork，Back fork is arranged on back fork axle，Described back fork axle is meshed for driving the internal tooth of two axle reverse gears with the joint toothholder that reverses gear or separates.This utility model minimum weight, minimum volume, it is simple to be arranged on vehicle frame.
Description
Technical field
This utility model relates to vehicle transmission part technical field, is specifically related to a kind of six shift transmissions.
Background technology
In order to improve the driving performance of vehicle, increasing vehicle all uses multi-shifting speed variator, six shift transmissions are reversed gear by six forward gears one and constitute, the line shaft of existing six shift transmissions is provided with each forward gears and reverse gear, and all use lock unit during conversion between each forward range, back fork on back fork axle uses reverse gear synchronizer to match with reverse gear, therefore the output axial length of six shift transmissions, volume greatly, Heavy Weight.Due to the receiving limited space of electromotor and variator on vehicle frame, so existing six shift transmissions are not easy to be arranged on vehicle frame.Six shift transmissions are limited to by installing space, and use vehicle is limited.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of six shift transmissions, minimum weight, minimum volume, it is simple to be arranged on vehicle frame.
The purpose of this utility model can be achieved through the following technical solutions:
nullA kind of six shift transmissions，Including case of transmission，The axle for input power being arranged in transmission case body、For exporting two axles of power and for transmitting the jackshaft that an axle power exports to two axles，A described axle is connected by bearing and two axles，Described jackshaft is meshed by the input gear of jackshaft constant mesh gear and an axle，Jackshaft drive pinion on jackshaft and two axle driven gears on two axles are meshed，It is characterized in that: between described jackshaft and two axles, be provided with idle pulley，On described two axles, circumference is fixed with the joint toothholder that reverses gear，Two axles are provided with two axle reverse gears by needle bearing，Two axle reverse gears are meshed with idle pulley，Idle pulley is meshed with jackshaft，One side end face of described two axle reverse gears is provided with groove，The sidewall of described groove is provided with for engaging, with reversing gear, the internal tooth that toothholder is meshed，The opposite side of described two axle reverse gears is provided with the fork slot for matching with the shift fork foot of back fork，Back fork is arranged on back fork axle，Described back fork axle is meshed for driving the internal tooth of two axle reverse gears with the joint toothholder that reverses gear or separates.
Described jackshaft is the most circumferentially fixed has jackshaft constant mesh gear, jackshaft five to keep off driving gear, jackshaft four keeps off driving gear, jackshaft three keeps off driving gear, jackshaft itself includes that jackshaft falls a gear driving gear (22) and jackshaft actively second gear (25)；It is set with two axles one that the idle pulley with jackshaft is meshed on described two axles to keep off driven gear and keep off two axles two that driving gear is meshed with jackshaft two and keep off driven gear and keep off two axles three that driving gear is meshed with jackshaft three and keep off driven gear and keep off two axles four that driving gear is meshed with jackshaft four and keep off driven gear and keep off two axles five that driving gear is meshed with jackshaft five and keep off driven gear；Circumferentially fixed one or two gear lock units, three or four gear lock units and five or six gear lock units on described two axles, described one or two gear lock units, three or four gear lock units all use double taper synchronizer, described one or two gear lock units are between two axle first gears and two axle second gears, three or four gear lock units keep off gear and two axles four keep off between gear at two axles three, and five or six gear lock units keep off between the input gear of gear and an axle at two axles five.
Described double taper synchronizer is short stroke synchronizer.
Described jackshaft, jackshaft fall a gear driving gear and jackshaft two keeps off driving gear and uses axle connection tooth.
The input gear of the jackshaft drive pinion of described jackshaft and two axle driven gears of two axles and an axle all uses high tooth.
Described case of transmission is made up of variator fore shell and variator back cover, and described variator back cover is integrated with retarder support.Shorten variator installation length.
Described case of transmission uses aluminium alloy tub housing.
The beneficial effects of the utility model: this utility model provides a kind of six shift transmissions, it is provided with idle pulley between jackshaft and two axles, on two axles, circumference is fixed with the joint toothholder that reverses gear, two axles are provided with two axle reverse gears by needle bearing, two axle reverse gears can on needle bearing slide anteroposterior, two axle reverse gears are meshed with idle pulley, and idle pulley is meshed with jackshaft, the side of described two axle reverse gears is provided with groove, two axle reverse gears arranges groove and reduces the thickness of two axle reverse gears.The sidewall of described groove is provided with for engaging, with reversing gear, the internal tooth that toothholder is meshed, the opposite side of two axle reverse gears is provided with the fork slot for matching with the shift fork foot of back fork, back fork is arranged on back fork axle, and described back fork axle is meshed for driving the internal tooth of two axle reverse gears with the joint toothholder that reverses gear or separates.It is meshed by the joint toothholder that reverses gear circumferentially fixed on the internal tooth of two axle reverse gears and two axles, the power of two axle reverse gears is delivered on two axles, reverse gear synchronizer need not be set, shorten the length of two axles, so that variator is the shortest at same moment of torsion section locating distance, minimum weight, minimum volume.This utility model simple in construction, it is simple to be arranged on vehicle frame.
Described one or two gear lock units, three or four gear lock units and five or six gear lock units all use short stroke synchronizer, shorten lock unit axial length, thus shorten the total length of variator, make arrangement convenient.
The input gear of the jackshaft drive pinion of described jackshaft and two axle driven gears of two axles and an axle all uses high tooth.High tooth is a kind of design strengthening the strength of gear teeth, by increasing the height of tooth, can increase gear overlap coefficient, increase the intensity of gear on the premise of installing space is constant.
Described case of transmission is made up of variator fore shell and variator back cover, it is integrated with retarder support on described variator back cover, variator back cover and retarder support are one-body molded, it is simple to retarder is integrated in the outfan of variator, it is not necessary to the retarder support of retarder installed by another band.It is not only convenient for the installation of retarder, auxiliary braking can be provided for vehicle by retarder, improve the safety of car braking.And achieve the entire length shortening variator.
Described case of transmission uses aluminium alloy tub housing, uses aluminium alloy tub case weight light.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is side view of the present utility model.
Detailed description of the invention
The utility model is further described below in conjunction with the accompanying drawings.
See shown in Fig. 1 and Fig. 2, a kind of six shift transmissions, including case of transmission, the axle 2 for input power that is arranged in transmission case body, for exporting two axles 21 of power and for transmitting the jackshaft 7 of axle 2 power to two axles 21, described case of transmission uses aluminium alloy tub housing, described case of transmission is made up of variator fore shell 1 and variator back cover 8, with bolts between variator fore shell 1 and variator back cover 8, alleviates the weight of case of transmission.It is integrated with retarder support 27 on described variator back cover 8, variator back cover 8 and retarder support 27 integrated injection molding, a described axle 2 is provided with input gear 2-1, and a described axle 2 and input gear 2-1 are one-body molded, using axle connection tooth, an axle 2 is arranged on variator fore shell 1 by bearing；The input of described two axles 21 is connected by bearing and an axle 2, and outfan and output flange 26 spline fitted, when installing retarder, retarder is arranged on retarder support 27；The input of described jackshaft 7 is arranged on variator fore shell 1 by bearing, and outfan is arranged on variator back cover 8 by bearing, and jackshaft 7 is parallel with two axles 21.
The most circumferentially fixed on described jackshaft 7 have jackshaft constant mesh gear 3, jackshaft five keeps off driving gear 4, jackshaft four keeps off driving gear 5, jackshaft three keeps off driving gear 6, jackshaft itself includes that jackshaft falls a gear driving gear 22 and jackshaft two keeps off driving gear 25, described jackshaft constant mesh gear 3, jackshaft five keeps off driving gear 4, jackshaft four keeps off driving gear 5, jackshaft three is kept off driving gear 6 and is all arranged on jackshaft 7 by interference fit, described jackshaft 7, jackshaft falls a gear driving gear 22 and jackshaft two, and to keep off driving gear 25 one-body molded, use axle connection tooth.Described jackshaft 7 is meshed by the input gear 2-1 of jackshaft constant mesh gear 3 with an axle 2, and the jackshaft drive pinion on jackshaft 7 and two axle driven gears on two axles 21 are meshed,
It is set with two axles one being meshed with jackshaft on described two axles 21 to keep off driven gear 12 and keep off two axles two that driving gear is meshed with jackshaft two and keep off driven gear 14 and keep off two axles three that driving gear 6 is meshed with jackshaft three and keep off driven gear 15 and keep off two axles four that driving gear 5 is meshed with jackshaft four and keep off driven gear 17 and keep off two axles five that driving gear 4 is meshed with jackshaft five and keep off driven gear 19；By circumferentially fixed one or two gear lock unit 13,34 gear lock unit 16,56 gear lock unit 20 and the joint toothholders 23 that reverse gear of spline on described two axles 21, one or two gear lock units 13,34 gear lock units 16,56 gear lock units 20 respectively with gear shift fork match, each gear shift fork is separately mounted on shift fork axle, described one or two gear lock unit 13 and 34 gear lock units 16 all use double taper synchronizer, described double taper synchronizer realizes short stroke and quick and portably shifts gears, and described double taper synchronizer is short stroke synchronizer.Described one or two gear lock units 13 keep off driven gear 12 and two axles two keep off between driven gear 14 at two axles one, it is meshed when one or two gear lock units 13 keep off driven gear 12 with two axles one, constitute a gear output of variator, it is meshed when one or two gear lock units 13 keep off driven gear 14 with two axles two, two gear outputs of variator；Three or four gear lock units 16 keep off driven gear 15 and two axles four keep off between driven gear 17 at two axles three, it is meshed when three or four gear lock units 16 keep off driven gear 15 with two axles three, constitute three gear outputs of variator, it is meshed when three or four gear lock units 16 keep off driven gear 17 with two axles four, constitutes four gear outputs of variator；Five or six gear lock units 20 keep off between driven gear 19 and the input gear 2-1 of an axle 2 at two axles five, it is meshed when five or six gear lock units 20 keep off driven gear 19 with two axles five, constitute five gear outputs of variator, when five or six gear lock units 20 are meshed with the input gear 2-1 of an axle 2, constitute six gear outputs of variator.
nullThe other needle bearing 22 that passes through of the joint toothholder 23 that reverses gear of described two axles 21 is provided with two axle reverse gears 9，Two axle reverse gears 9 are slidably fitted on needle bearing，Two axle reverse gears 9 are meshed with idle pulley，Idle pulley is meshed with jackshaft 7，One side end face of described two axle reverse gears 9 is provided with groove 9-1，Described groove 9-1 reverses gear for receiving and engages toothholder 23，Make two axle reverse gears 9 and engage that to take the length of two axles between toothholder 23 shorter with reversing gear，The sidewall of described groove 9-1 is provided with for engaging, with reversing gear, the internal tooth 24 that toothholder 23 is meshed，The opposite side of described two axle reverse gears 9 is provided with the fork slot 9-2 for matching and the breach alleviating gear weight with the shift fork foot of back fork 11，Back fork 11 is arranged on back fork axle 10，Described back fork axle 10 is meshed for driving the internal tooth 24 of two axle reverse gears 9 with the joint toothholder 23 that reverses gear or separates.
The jackshaft drive pinion of described jackshaft 7 and two axle driven gears of two axles 21 and a shaft gear all use the high tooth that tooth depth is higher than existing tooth depth.
Arranging gearshift 18 on case of transmission, controlled one or two gear lock unit 13,34 gear lock unit 16,56 gear lock unit 20 and two axle reverse gears 9 by gearshift 18 respectively, described gearshift 18 can use single pole or double-rod to handle.Gearshift 18 uses fork rail gearshift, refers to that shift fork is affixed directly on shift fork axle, and shift fork axle is using upper cover axis hole as track relative movement, it is achieved shift fork drives sliding sleeve or the gear gearshift of lock unit.
Operation principle of the present utility model:
This programme implementation is that electromotor transmits power to an axle 2, and reverse gear is achieved in that: the shifting block in gearshift 18 drives back fork axle 10, makes back fork 11 drive two axle reverse gears 9 to move towards the joint toothholder 23 that reverses gear.So that power is through jackshaft constant mesh gear 3, jackshaft 7 driving idle pulley, idle pulley to drive two axle reverse gears 9 to rotate, two axle reverse gears 9 drive the joint toothholder 23 that reverses gear to rotate, it is achieved output of reversing gear.
Being achieved in that of one gear: shift gears and drive a gear shift fork to make one or two gear lock units 13 hang up two axles one and keep off on driven gear 12 through shift fork axle, jackshaft constant mesh gear is transmitted power to by an axle 2, it is made to drive jackshaft 7, jackshaft 7 drives two axles one to keep off driving gear 12, two axles one keep off driving gear 12 and keep off driven gear 12 with two axles one and engage, two axles one keep off driven gear 12 and engage with one or two gear lock units 13, by power transmission to two axle output power.Two, three, four, five, six gear the same gear of implementation, difference be each gear respectively by jackshaft two gear driving gears drive two axles two keep off driven gear 14 realize two gears output；Jackshaft three actively keep off gear 6 drive two axles three keep off driven gear 15 realize three gears output；Jackshaft four keep off driving gear 5 drive two axles four keep off driven gear 17 realize four gears output；Jackshaft five keep off driving gear 4 drive two axles five keep off driven gear 19 realize five gears output；Six gear be five or six gear lock units 200 hang up an axle 2 input gear 2-1 on, power directly exports.Thus meet six shift transmission functions.This programme can realize mating that the rearmounted vehicle type structure of six shift transmissions is compact, vehicle is reasonable.
Claims (7)
- null1. a shift transmission，Including case of transmission，The axle (2) for input power being arranged in transmission case body、For exporting two axles (21) of power and for transmitting an axle (2) power jackshaft (7) to two axles (21)，A described axle (2) is connected by bearing and two axles (21)，Described jackshaft (7) is meshed with the input gear (2-1) of an axle (2) by jackshaft constant mesh gear (3)，Jackshaft drive pinion on jackshaft (7) and two axle driven gears on two axles (21) are meshed，It is characterized in that: between described jackshaft (7) and two axles (21), be provided with idle pulley，The upper circumference of described two axles (21) is fixed with joint toothholder (23) that reverses gear，Two axles (21) are provided with two axle reverse gears (9) by needle bearing，Described two axle reverse gears (9) are meshed with idle pulley，Idle pulley is meshed with jackshaft，One side end face of described two axle reverse gears (9) is provided with groove (9-1)，The sidewall of described groove (9-1) is provided with for engaging, with reversing gear, the internal tooth (24) that toothholder (23) is meshed，The opposite side of described two axle reverse gears (9) is provided with the fork slot (9-2) for matching with the shift fork foot of back fork (11)，Back fork (11) is arranged on back fork axle (10)，Described back fork axle (10) is meshed for driving the internal tooth (24) of two axle reverse gears (9) with joint toothholder (23) that reverses gear or separates.
- A kind of six shift transmissions the most according to claim 1, it is characterized in that: the most circumferentially fixed on described jackshaft (7) have jackshaft constant mesh gear (3), jackshaft five to keep off driving gear (4), jackshaft four keeps off driving gear (5), jackshaft three keeps off driving gear (6), jackshaft is integrated with jackshaft and falls a gear driving gear (22) and jackshaft two keeps off driving gear (25)；It is set with on described two axles (21) and falls two axles one that a gear driving gear (22) is meshed with jackshaft and keep off driven gear (12), keep off two axles two that driving gear is meshed with jackshaft two and keep off driven gear (14), keep off two axles three that driving gear (6) is meshed with jackshaft three and keep off driven gear (15), keep off two axles four that driving gear (5) is meshed with jackshaft four and keep off driven gear (17), and keep off two axles five that driving gear (4) is meshed with jackshaft five and keep off driven gear (19)；Upper circumferentially fixed one or two gears lock unit (13) of described two axles (21), three or four gears lock unit (16) and five or six gears lock unit (20), described one or two gears lock unit (13) and three or four gears lock unit (16) all use double taper synchronizer, described one or two gears lock unit (13) are positioned at two axles one and keep off driven gear (12) and two axles two keep off between driven gear (14), three or four gears lock unit (16) are positioned at two axles three and keep off driven gear (15) and two axles four keep off between driven gear (17), five or six gears lock unit (20) are positioned between the input gear (2-1) that two axles five keep off driven gear (19) and an axle (2).
- A kind of six shift transmissions the most according to claim 2, it is characterised in that: described double taper synchronizer is short stroke synchronizer.
- A kind of six shift transmissions the most according to claim 1, it is characterised in that: described jackshaft (7), jackshaft fall a gear driving gear (22) and jackshaft two keeps off driving gear (25) and uses axle connection tooth.
- A kind of six shift transmissions the most according to claim 1, it is characterised in that: the input gear (2-1) of the jackshaft drive pinion of described jackshaft (7) and two axle driven gears of two axles (21) and an axle all uses high tooth.
- A kind of six shift transmissions the most according to claim 1 and 2, it is characterised in that: described case of transmission is made up of variator fore shell (1) and variator back cover (8), and described variator back cover (8) is integrated with retarder support (27).
- A kind of six shift transmissions the most according to claim 1, it is characterised in that: described case of transmission uses aluminium alloy tub housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980033.7U CN205745123U (en) | 2015-12-01 | 2015-12-01 | Six shift transmissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980033.7U CN205745123U (en) | 2015-12-01 | 2015-12-01 | Six shift transmissions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745123U true CN205745123U (en) | 2016-11-30 |
Family
ID=57388993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520980033.7U Expired - Fee Related CN205745123U (en) | 2015-12-01 | 2015-12-01 | Six shift transmissions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006207A (en) * | 2017-12-06 | 2018-05-08 | 万鑫精工（湖南）有限公司 | A kind of gear reducer Al-alloy casing |
-
2015
- 2015-12-01 CN CN201520980033.7U patent/CN205745123U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006207A (en) * | 2017-12-06 | 2018-05-08 | 万鑫精工（湖南）有限公司 | A kind of gear reducer Al-alloy casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20181201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |