CN201661654U - Speed changer used for off-road vehicle - Google Patents
Speed changer used for off-road vehicle Download PDFInfo
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- CN201661654U CN201661654U CN2010201171724U CN201020117172U CN201661654U CN 201661654 U CN201661654 U CN 201661654U CN 2010201171724 U CN2010201171724 U CN 2010201171724U CN 201020117172 U CN201020117172 U CN 201020117172U CN 201661654 U CN201661654 U CN 201661654U
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- gear
- speed
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- retaining
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Abstract
The utility model relates to a speed changer used for an off-road vehicle, in particular to a four-drive five-speed speed changer used for a conventional BJ212 off-road vehicle. The utility model has the technical scheme that an output shaft (20) is sequentially provided with a third and forth speed synchronizer assembly (7), an output third-speed gear component (8), an output second-speed gear component (9), a first and second speed synchronizer assembly (10), a first-speed gear component (11) and an output fifth-speed gear (21), an intermediate shaft (24) is provided with a normally meshed passive gear ring, a third-speed driving gear ring, a second-speed driving gear ring, a reverse-gear driving gear ring and a first-speed driving gear ring, the rear end of the intermediate shaft (24) is also provided with a fifth-speed gear of the intermediate shaft and a fifth-speed synchronization component (22), and a reverse gear idler (27) is sleeved on a reverse gear idler shaft (27). The speed changer is a three-shaft type mechanical manual speed changer, the five forward speed gears are inertial synchronizer gear shift mechanisms, and the gear shift is smooth and easy. With the optimization design of the gear, the utility model effectively reduces the operation noise, prolongs the service life of the gear, and simultaneously adopts a serialized and modular design so as to carry various gasoline and diesel engines with the torque smaller than 230N. m, and a plurality of sets of transmission ratios can be selected according to the power matching needs of the whole vehicle.
Description
Affiliated technical field:
The utility model relates to the speed changer that a kind of go-anywhere vehicle is used, particularly 4 wheel driven five speed transmissions used of traditional B J212 go-anywhere vehicle.
Background technique:
Being born in nineteen sixty-five BJ212 go-anywhere vehicle is Chinese first generation go-anywhere vehicle, it be compatriots the most familiar vehicle.The used speed changer of BJ212 go-anywhere vehicle has experienced the leap from three-speed gear to four speed belt synchrom esh transmissions in the history in 40 years, yet, develop into now, former four-speed gear box technology falls behind, quality is big, bearing capacity is poor, running noise height, gearshift poor performance, can not adapt to the requirement of the lift-launch requirement of high-speed big capacity motor and travelling comfort, Economy.
The model utility content:
The utility model purpose provides the speed changer that a kind of go-anywhere vehicle is used, compact structure, and bearing capacity is big, and product is light and handy, and beautiful shape solves the problems referred to above that exist in the background technique.
The technical solution of the utility model is: the speed changer that go-anywhere vehicle is used comprises the input shaft sub-assembly, output shaft, jack shaft, idler shaft reverses gear, set gradually three or four retaining synchronizer assemblies on the output shaft, output three retaining gear assemblies, output second gear assembly, one or two retaining synchronizer assemblies, the first gear assembly, output five retaining gears, jack shaft is provided with the passive gear ring of normal engagement, three retainings are gear ring initiatively, two retainings are gear ring initiatively, initiatively gear ring reverses gear, one retaining is gear ring initiatively, countershaft fifth speed gear and five retaining Synchronization Component also are equipped with in the jack shaft rear end, and the idle pulley that reverses gear is sleeved on the idler shaft that reverses gear.
This speed changer is a triple axle machinery manual transmission, and its five forward all adopts the inertia synchronizer gearshift, smooth gear shifting, brisk.13 pieces of solid matter needle rollers are housed between output shaft spindle nose and input shaft endoporus, have at utmost improved bearing capacity in the confined space; Between each engaged gear and the axle needle bearing is housed all, makes speed changer adapt to the rev-happy engine of modern technologies more.
The utility model is provided with clutch housing, protecgulum, case of transmission, middle yoke plate, back body, handles lid, coupling constitutes an integral body mutually, back intracoelomic cavity is provided with radial stiffening rib, has strengthened the intensity of back body greatly, and the bottom is equipped with dunnage and is used for installation with vehicle frame.
The output terminal of transmission output shaft is an involute splines, and the rear end of back body studs with back body bushing, the accurate location of realizing power transmission and speed changer and transfer case.This speed changer connects with transfer case by universal driving device, and this connecting mode helps eliminating manufacturing, assembly error, reduces because vehicle frame is out of shape the influence to transmission system.
Gearshift of the present utility model is made up of mutual interlocking gear, gear level etc. between selector fork, shift rod, gearshift axle, gearshift shifting block, fork shaft positioning means, fork shaft, the operating mechanism of this speed changer removes locking ball, spring is housed, make gearshift flexibly, accurately, feel more clear outside, there are interlocking guide pillar and interlocking plunger to realize the respectively interlocking between retaining between each fork shaft, in addition, also be provided with anti-(by five retainings) mistake and hang the lock that reverses gear, strengthened the Security of driving.
Speed changer adopts light-weight design: case of transmission, back body all adopt the pack alloy material, and selector fork has also adopted the pack alloy material not only to alleviate quality more to have improved its wear resistance simultaneously.
The beneficial effects of the utility model are: the utility model is 4 wheel driven five speed transmissions of new generation for the BJ212 go-anywhere vehicle has designed, and this speed changer is a triple axle machinery manual transmission, and its five forward all adopts the inertia synchronizer gearshift, smooth gear shifting, brisk; The utility model is by the optimal design of gear, reduce running noise effectively, improved gear life, adopted seriation, modular design simultaneously, can carry many money vapour, the diesel engine of moment of torsion below 230N.m, and it is available to need many cover velocity ratios according to car load power coupling.The speed changer structure compactness, bearing capacity is big, and product is light and handy, beautiful shape.
Description of drawings:
Fig. 1 is the utility model transmission assembly structural representation;
Among the figure: clutch housing 1, input shaft assembly 2, protecgulum 3, protecgulum oil sealing 4, bearing of input shaft 5, case of transmission 6, three or four retaining synchronizer assemblies 7, output three retaining gear assemblies 8, output second gear assembly 9, one or two retaining synchronizer assemblies 10, first gear assembly 11, middle yoke plate 12, output bearing 13, back body 14, handle sub-assembly 15, gearshift shifting block 16, gearshift axle 17, back body bushing 18, back body oil sealing 19, output shaft 20, output five retaining gears 21, countershaft fifth speed gear and Synchronization Component 22, Oil Guide mouth 23, jack shaft 24, jack shaft rear bearing 25, idler shaft 26 reverses gear, idle pulley 27 reverses gear, drain the oil stifled 28, dunnage 29, jack shaft fore bearing 30.
Fig. 2 is a back of the present utility model body structure schematic representation;
Among the figure: stiffening rib 49, dunnage 29, back body 14.
Fig. 3 is the utility model transmission control schematic representation;
Among the figure: three or four retaining shift forks 31,34 retaining fork shafts, 32,1 retaining fork shafts, 33,1 retaining shift forks 34, clamp back-up ring 35, retaining spring screw plug 36, fork shaft retaining spring 37, steel ball 38, five reverse gear fork shaft 39, short interlocking plunger 40, five retainings reverse gear guide block 41, five retaining shift fork 412, interlocking guide pillar 43, long interlocking plunger 44, the driving levers 45 that reverse gear, reverse gear that Rocker arm 46, five keeps off fork shafts 47, fork shaft 48 reverses gear.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
With reference to accompanying drawing 1, in an embodiment, the speed changer that go-anywhere vehicle is used comprises the input shaft sub-assembly, output shaft 20, jack shaft 24, idler shaft 26 reverses gear, set gradually three or four retaining synchronizer assemblies 7 on the output shaft 20, output three retaining gear assemblies 8, output second gear assembly 9, one or two retaining synchronizer assemblies 10, first gear assembly 11, output five retaining gears 21, jack shaft 24 is provided with the passive gear ring of normal engagement, three retainings are gear ring initiatively, two retainings are gear ring initiatively, initiatively gear ring reverses gear, one retaining is gear ring initiatively, countershaft fifth speed gear and five retaining Synchronization Component 22 also are equipped with in jack shaft 24 rear ends, and the idle pulley 27 that reverses gear is sleeved on the idler shaft 26 that reverses gear.
13 pieces of solid matter needle rollers are housed between output shaft 20 spindle noses and input shaft endoporus, have at utmost improved bearing capacity in the confined space; Between each engaged gear and the axle needle bearing is housed all, makes speed changer adapt to the rev-happy engine of modern technologies more.
The utility model is provided with clutch housing 1, protecgulum 3, case of transmission 6, middle yoke plate 12, back body 14, handles lid, and coupling constitutes an integral body mutually.The output terminal of transmission output shaft 20 is an involute splines, and the rear end of back body studs with back body bushing 18, the accurate location of realizing power transmission and speed changer and transfer case.
With reference to accompanying drawing 2, back body 14 inner chambers are provided with radial stiffening rib 49, strengthened the intensity of back body greatly, the bottom is equipped with dunnage 29 and is used for installation with vehicle frame, the inner chamber layout of totally ten four stiffening ribs 49 is protected back body intensity, dunnage 29 is used for connecting with vehicle frame by four band pad hexagon head bolts and back body assembling.
The utility model working procedure is with reference to accompanying drawing 1,3.
Choosing, extension one or two retainings:
(from the back eyes front) plate is moving left by the neutral position to handle gear level, gear level drives the rotation of gearshift shifting block enters in the allocating slot of one or two retaining fork shafts its pusher dog, one or two retainings are selected in realization, promote gear level then forward, by the gearshift shifting block drive one or two the retaining fork shafts and one or two the retaining shift forks move forward, thereby one or two retaining tooth covers are combined with the first gear assembly makes the power that is transmitted by motor pass to transfer case through input shaft-jack shaft-first gear pair-output shaft, a retaining is changed in realization, in like manner, after having selected one or two retainings, promote gear level backward and then realize shifting into second;
Change three or four retainings:
Promote gear level in the neutral position forward and realize hanging three retainings, promote gear level backward and realize hanging four retainings;
Select, change five retainings
(from the back eyes front) plate is moving to the right by the neutral position to handle gear level, gear level drives the gearshift shifting block and rotates and make its pusher dog enter five to reverse gear in the allocating slot of guide block, realization selects five to reverse gear, promote gear level then forward, driving five fork shafts that reverse gear by the gearshift shifting block promotes the five retaining synchronizers of five retaining shift forks on making five retaining teeth covers and being loaded on jack shaft simultaneously and combines tooth and change five retainings in conjunction with realization
Select, change and reverse gear
(from the back eyes front) plate is moving to the right by the neutral position to handle gear level, gear level drives the gearshift shifting block and rotates and make its pusher dog enter the First Five-Year Plan to reverse gear in the allocating slot of shifting block, realization selects five to reverse gear, promote gear level then backward, drive five fork shafts that reverse gear by the gearshift shifting block and stir the idle pulley that reverses gear by clamping the back-up ring parts such as fork shaft and the driving lever that reverses gear, the rocking arm that reverses gear that promote to reverse gear simultaneously, make it with jack shaft on one or two retaining teeth cover engagements simultaneously of reverse gear gear ring and band external tooth realize hanging and reverse gear.
Transmission design has the anti-error extension lock that reverses gear, so put into gear should begin bit selecting by neutral respectively when hanging five retainings or reversing gear after.
Claims (4)
1. speed changer that go-anywhere vehicle is used, it is characterized in that comprising the input shaft sub-assembly, output shaft (20), jack shaft (24), idler shaft (26) reverses gear, set gradually three or four retaining synchronizer assemblies (7) on the output shaft (20), output three retaining gear assemblies (8), output second gear assembly (9), one or two retaining synchronizer assemblies (10), first gear assembly (11), output five retaining gears (21), jack shaft (24) is provided with the passive gear ring of normal engagement, three retainings are gear ring initiatively, two retainings are gear ring initiatively, initiatively gear ring reverses gear, one retaining is gear ring initiatively, countershaft fifth speed gear and five retaining Synchronization Component (22) also are equipped with in jack shaft (24) rear end, and the idle pulley that reverses gear (27) is sleeved on the idler shaft that reverses gear (27).
2. the speed changer of using according to the described go-anywhere vehicle of claim 1 is characterized in that being provided with clutch housing (1), protecgulum (3), case of transmission (6), middle yoke plate (12), back body (14), handles lid, and coupling constitutes an integral body mutually.
3. the speed changer of using according to the described go-anywhere vehicle of claim 2, the output terminal that it is characterized in that transmission output shaft (20) is an involute splines, the rear end of back body studs with back body bushing (18), back body (14) inner chamber is provided with radial stiffening rib (49), and dunnage (29) is equipped with in the bottom of back body.
4. the speed changer of using according to the described go-anywhere vehicle of claim 1 is characterized in that being equipped with between output shaft (20) spindle nose and input shaft endoporus 13 pieces of solid matter needle rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201171724U CN201661654U (en) | 2010-02-24 | 2010-02-24 | Speed changer used for off-road vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201171724U CN201661654U (en) | 2010-02-24 | 2010-02-24 | Speed changer used for off-road vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661654U true CN201661654U (en) | 2010-12-01 |
Family
ID=43232069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201171724U Expired - Fee Related CN201661654U (en) | 2010-02-24 | 2010-02-24 | Speed changer used for off-road vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201661654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641119A (en) * | 2016-12-20 | 2017-05-10 | 陕西法士特齿轮有限责任公司 | Four-gear / five-gear automobile transmission |
| CN108869648A (en) * | 2018-08-31 | 2018-11-23 | 安徽星瑞齿轮传动有限公司 | The fast pickup automobile fuel-saving type manual transmission of one kind six |
-
2010
- 2010-02-24 CN CN2010201171724U patent/CN201661654U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641119A (en) * | 2016-12-20 | 2017-05-10 | 陕西法士特齿轮有限责任公司 | Four-gear / five-gear automobile transmission |
| CN108869648A (en) * | 2018-08-31 | 2018-11-23 | 安徽星瑞齿轮传动有限公司 | The fast pickup automobile fuel-saving type manual transmission of one kind six |
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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: 20101201 Termination date: 20150224 |
|
| EXPY | Termination of patent right or utility model |