CN202203349U - Front-rear driving combined transmission of automobile or tractor without independent transfer case - Google Patents
Front-rear driving combined transmission of automobile or tractor without independent transfer case Download PDFInfo
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- CN202203349U CN202203349U CN2011202456561U CN201120245656U CN202203349U CN 202203349 U CN202203349 U CN 202203349U CN 2011202456561 U CN2011202456561 U CN 2011202456561U CN 201120245656 U CN201120245656 U CN 201120245656U CN 202203349 U CN202203349 U CN 202203349U
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- gear
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- forerunner
- shaft
- speed change
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- 230000008878 coupling Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The front-rear driving combined transmission of the automobile or the tractor without the independent transfer case comprises an auxiliary transmission case body, a power input mechanism, an auxiliary transmission mechanism, a rear-driving transmission mechanism and a rear-driving output mechanism, and is characterized by also comprising a main transmission case body, an intermediate mechanism, a front-driving clutch speed mechanism and a front-driving output mechanism; the power input mechanism and the auxiliary speed change mechanism are arranged in an auxiliary speed change box, the bridge mechanism, the front drive clutch mechanism, the front drive output mechanism, the rear drive speed change mechanism and the rear drive output mechanism are arranged in a main speed change box, and the various transmission parts are arranged in a regular combination to form the combined speed changer. The combined transmission has multiple comprehensive functions, the number of the box bodies is small, power can be directly output to the front drive and the rear drive without an independent transfer case, more gears and speeds are obtained by combining the auxiliary transmission case, the material use is reduced, the cost is saved, the whole structure is simple and compact, the noise is low, the transmission efficiency is high, and the combined transmission is suitable for various front and rear driven automobiles or tractors.
Description
One, technical field
The utility model belongs to agricultural mechanical field, the combined speed changer that drives before and after particularly a kind of automobile that does not have an independent transfer case or the tractor.
Two, technical background
At present, the power output structure of domestic front and back driven vehicles, tractor assembles a main-gear box and one or more auxiliary transmission usually and is combined into combined speed changer and an independent transfer case; Link up through intermediate propeller shaft, transfer case is connecting with propons, back axle respectively through the two other transmission shaft, or transfer case is installed in the basic trnasmission back; Though reduced by a transmission shaft; But the complex structure of configuration is installed like this, has still been occupied very big space, increase technical difficulty for the design arrangement of car load; And the material that consumes is bigger, and required cost is higher.
Three, summary of the invention
The purpose of the utility model is in order to overcome the existing technology deficiency, and provide a kind of simple and compact for structure, reduce material, practice thrift cost, the combined speed changer of driving before and after the automobile of no independent transfer case or the tractor.
The utility model a kind of do not have the combined speed changer that drives before and after automobile or the tractor of independent transfer case, comprises the auxiliary transmission body, power input mechanism, secondary gear, rear-guard gear, rear-guard output mechanism; It is characterized in that also comprising the main-gear box body, cross bridge mechanism, forerunner's clutch speed mechanism, forerunner's output mechanism; Described power input mechanism comprises the input shaft of an end band gear, is enclosed within the flange fixed cover on the input shaft; Secondary gear comprises the secondary variable-speed shaft of an end band gear; Secondary gear shift fork; Secondary speed change driving gear, secondary speed change driven shaft be contained in the secondary speed change driven gear on the secondary speed change driven shaft, an end of wherein secondary gear shift fork band fork is on the allocating slot of secondary speed change driving gear; Secondary speed change driving gear dress is at one end on the secondary main shaft with gear; Meshed transmission gear on the input shaft of a secondary speed change driven gear and an end band gear, secondary speed change driving gear and secondary speed change driven gear engagement driving, or the meshed transmission gear on the input shaft of the internal tooth of secondary speed change driving gear and an end band gear; Above-mentioned power input mechanism, secondary gear are contained in the auxiliary transmission body through roller bearing and the needle bearing layout by rule; The rear-guard gear comprises output shaft, driving gear, shift fork; The speed change driven shaft, reverse gear shaft, main transformer speed driven gear; Reverse gear, back fork and back fork axle, wherein; 3,4 retaining driving gears and 1,2 retaining driving gears are contained in output shaft middle part the right and left respectively, and an end of 3,4 retaining shift fork band forks is on the allocating slot of 3,4 retaining driving gears, and an end of 1,2 retaining shift fork band forks is on the allocating slot of 1,2 retaining driving gears; Main transformer speed driven gear is contained on the main transformer speed driven shaft, the secondary main shaft of an end band gear and main transformer speed driven gear engagement driving, 3,4 retaining driving gears and main transformer speed driven gear engagement driving; Or the meshed transmission gear on the secondary main shaft of the internal tooth of 3,4 retaining driving gears and an end band gear, 1,2 retaining driving gears and main transformer speed driven gear engagement driving, reverse gear is contained on the reverse gear shaft; One end of back fork band fork is on the allocating slot of reverse gear, and the other end is enclosed within on the back fork axle; The rear-guard output mechanism comprises bearing support that is contained on the output shaft and the flange cover that is enclosed within the splined on the output shaft; Cross bridge mechanism and comprise carrier gear, bridge gear shaft, carrier gear is contained on the bridge gear shaft through bearing; Forerunner's clutch speed mechanism comprises forerunner's shift fork and forerunner's driven gear; Forerunner's output mechanism comprises the flange cover of forerunner's output shaft and splined; One end of described forerunner's shift fork band fork is on the allocating slot of forerunner's driven gear, and the flange of forerunner's driven gear, bearing support and splined is sleeved on forerunner's output shaft; Described carrier gear keeps off driving gear and forerunner's driven gear engagement driving with 3,4 respectively; Described forerunner's clutch speed mechanism, cross bridge mechanism, forerunner's output mechanism, rear-guard gear, rear-guard output mechanism and be installed in the main-gear box body through roller bearing and needle bearing layout by rule.
The combined speed changer that drives before and after the automobile of the no independent transfer case of the utility model or the tractor; The driving gear that is installed on the output shaft is to install according to the gear of car setting; 2-3 of general installation; Gear is the 4-5 retaining, and each driving gear that is installed on the output shaft can both pass through carrier gear and forerunner's driven gear engagement driving, outputs power to front wheel driving.
The described bridge mechanism of crossing of the utility model; Forerunner's clutch speed mechanism, forerunner's output mechanism in the main-gear box body, or is installed in one earlier independently in the small box with rear-guard gear, rear-guard output mechanism mounting arrangements; Again small box is installed on the main-gear box body, makes things convenient for installing/dismounting.
The utility model beneficial effect is: through changing the combined speed changer of automobile, tractor, directly connect with propons, back axle respectively through two transmission shafts, reduced independent transfer case and intermediate propeller shaft; Its comprehensive function is many, and the casing number is few, and no independent transfer case can directly output power to forerunner, rear-guard; The combination of auxiliary transmission has then obtained more gear and speed, reduces material and uses, and practices thrift cost; The overall structure compact; Noise is little, and transmission efficiency is high, is applicable to various front and back driven vehicles or tractor.
Four, description of drawings
Accompanying drawing is that the utility model does not have the automobile of independent transfer case or the structural representation of the combined speed changer that the tractor front and back drive.
Five, embodiment
Below in conjunction with accompanying drawing the utility model is described further.
With reference to accompanying drawing, the combined speed changer that drives before and after the automobile of the no independent transfer case of the utility model or the tractor comprises auxiliary transmission body 11, power input mechanism, secondary gear, rear-guard gear, rear-guard output mechanism; It is characterized in that also comprising main-gear box body 17, cross bridge mechanism, forerunner's clutch speed mechanism, forerunner's output mechanism; Described power input mechanism comprises the input shaft 1 of an end band gear, is enclosed within the flange fixed cover 2 on the input shaft 1, and input shaft 1 gearless one end is the engine power input end; Secondary gear comprises the secondary variable-speed shaft 3 of an end band gear; Secondary gear shift fork 4; Secondary speed change driving gear 8, secondary speed change driven shaft 9 be contained in the secondary speed change driven gear 10 on the secondary speed change driven shaft 9, secondary speed change driving gear 8 dresses are at one end on the secondary main shaft 3 with gear; Meshed transmission gear on the input shaft 1 of a secondary speed change driven gear 10 and an end band gear; Secondary speed change driving gear 8 and secondary speed change driven gear 10 engagement driving, or the meshed transmission gear on the input shaft 1 of the internal tooth of secondary speed change driving gear 8 and an end band gear, an end of secondary gear shift fork 4 band forks is on the allocating slot of secondary speed change driving gear 8; Stir secondary speed change driving gear 8 and can change the speed that power is imported, high and low two speed can be selected in realizing creeping.Above-mentioned power input mechanism, secondary gear is contained in the auxiliary transmission body 11 through roller bearing 5,7 and needle bearing 6 layout by rule.
The rear-guard gear comprises output shaft 23,3,4 retaining driving gears 14 and 3,4 retaining shift forks, 24,1,2 retaining driving gears 21 and 1,2 retaining shift forks 25; Speed change driven shaft 20, reverse gear shaft 19, main transformer speed driven gear 13; Reverse gear 18, back fork 15 and back fork axle 16, wherein; 3,4 retaining driving gears 14 and 1,2 retaining driving gears 21 are contained in output shaft 23 middle part the right and lefts respectively, and an end of 3,4 retaining shift forks, 24 band forks is on the allocating slot of 3,4 retaining driving gears 14, and an end of 1,2 retaining shift forks, 25 band forks is on the allocating slot of 1,2 retaining driving gears 21; Main transformer speed driven gear 13 is contained on the main transformer speed driven shaft 20; The secondary main shaft 3 of one end band gear and main transformer speed driven gear 13 engagement driving, 3,4 retaining driving gears 14 and main transformer speed driven gear 13 engagement driving, or the meshed transmission gear on the secondary main shaft 3 of the internal tooth of 3,4 retaining driving gears 14 and an end band gear; 1,2 retaining driving gears 21 and main transformer speed driven gear 13 engagement driving; Reverse gear 18 is contained on the reverse gear shaft 19, and an end of back fork 15 band forks is on the allocating slot of reverse gear 18, and the other end is enclosed within on the back fork axle 16; The rear-guard output mechanism comprises bearing support 26 that is contained on the output shaft 23 and the flange cover 27 that is enclosed within the splined on the output shaft 23, and the flange cover 27 of splined is connected to the rear-guard transmission shaft; Cross bridge mechanism and comprise carrier gear 30, bridge gear shaft 28, carrier gear 30 is contained on the bridge gear shaft 28 through bearing 29; Forerunner's clutch speed mechanism comprises forerunner's shift fork 33 and forerunner's driven gear 34; Forerunner's output mechanism comprises the flange cover 36 of forerunner's output shaft 32 and splined; One end of described forerunner's shift fork 33 band forks is on the allocating slot of forerunner's driven gear 34, and the flange of forerunner's driven gear 34, bearing support 35 and splined cover 36 is contained on forerunner's output shaft 32; Be installed in the retaining of 3,4 on the output shaft 23 driving gear 14 and 1,2 retaining driving gears 21 through carrier gear 30 and forerunner's driven gear 34 engagement driving, output power to front wheel driving.Said mechanism is installed in the main-gear box body 17 through roller bearing 22,31,37 and needle bearing 12 layout by rule.Be implemented in the selection of creep middle main transformer speed 1,2,3,4 retainings and a plurality of gears that reverse gear, also realized the effect that front wheel driving separates, can front and back driving walking simultaneously, also rear driving walking separately in creeping.
Engine power through main clutch is by the secondary gear in the input shaft 1 input auxiliary transmission body of a headband gear; Through after the high and low speed change of secondary gear; Secondary main shaft 3 through a headband gear imports the gear in the main-gear box body into; After speed change; The right-hand member and the rear-guard propeller shaft couplings of the splined flange cover 27 on the output shaft 23 of rear-guard output mechanism output to back driving axle, arrive forerunner's output mechanism through the gap bridge mechanism driving simultaneously, and the splined flange on forerunner's output shaft 32 of forerunner's output mechanism overlaps 36 left ends and forerunner's propeller shaft couplings outputs to front drive axle.
Claims (3)
1. one kind is not had the automobile of independent transfer case or the combined speed changer that the tractor front and back drive, and comprises auxiliary transmission body (11), power input mechanism, secondary gear, rear-guard gear, rear-guard output mechanism; It is characterized in that also comprising main-gear box body (17), cross bridge mechanism, forerunner's clutch speed mechanism, forerunner's output mechanism; Described power input mechanism comprises the input shaft (1) of an end band gear, is enclosed within the flange fixed cover (2) on the input shaft (1); Secondary gear comprises the secondary variable-speed shaft (3) of an end band gear; Secondary gear shift fork (4); Secondary speed change driving gear (8); Secondary speed change driven shaft (9) and be contained in the secondary speed change driven gear (10) on the secondary speed change driven shaft (9); One end of wherein secondary gear shift fork (4) band fork is on the allocating slot of secondary speed change driving gear (8), and secondary speed change driving gear (8) dress is at one end on the secondary main shaft (3) with gear, the meshed transmission gear on the input shaft (1) of secondary speed change driven gear (10) and an end band gear; Secondary speed change driving gear (8) and secondary speed change driven gear (10) engagement driving, or the meshed transmission gear on the input shaft (1) of the internal tooth of secondary speed change driving gear (8) and an end band gear; Power input mechanism and secondary gear are installed in the auxiliary transmission body (11) through roller bearing (5,7) and needle bearing (6); The rear-guard gear comprises output shaft (23), driving gear, shift fork; Main transformer speed driven shaft (20), reverse gear shaft (19), main transformer speed driven gear (13); Reverse gear (18), back fork (15), back fork axle (16); Wherein, 3,4 retaining driving gears (14) and 1,2 retaining driving gears (21) are contained in output shaft (23) middle part the right and left respectively, and an end of 3,4 retaining shift fork (24) band forks is on the allocating slot of 3,4 retaining driving gears (14); 1, an end of 2 retaining shift fork (25) band forks is on the allocating slot of 1,2 retaining driving gears (21), and main transformer speed driven gear (13) is contained on the main transformer speed driven shaft (20), the secondary main shaft (3) of an end band gear and main transformer speed driven gear (13) engagement driving; 3,4 retaining driving gears (14) and main transformer speed driven gear (13) engagement driving; Or the meshed transmission gear on the secondary main shaft (3) of the internal tooth of 3,4 retaining driving gears (14) and an end band gear, 1,2 retaining driving gears (21) and main transformer speed driven gear (13) engagement driving, reverse gear (18) is contained on the reverse gear shaft (19); One end of back fork (15) band fork is on the allocating slot of reverse gear (18), and the other end is enclosed within on the back fork axle (16); The rear-guard output mechanism comprises bearing support (26) that is contained on the output shaft (23) and the flange cover (27) that is enclosed within the splined on the output shaft (23); Cross bridge mechanism and comprise carrier gear (30), bridge gear shaft (28), carrier gear (30) is contained on the bridge gear shaft (28) through bearing (29); Forerunner's clutch speed mechanism comprises forerunner's shift fork (33) and forerunner's driven gear (34); Forerunner's output mechanism comprises the flange cover (36) of forerunner's output shaft (32) and splined; One end of described forerunner's shift fork (33) band fork is on the allocating slot of forerunner's driven gear (34), and the flange cover (36) of forerunner's driven gear (34), bearing support (35) and splined is contained on forerunner's output shaft (32); Described carrier gear (30) keeps off driving gear (14) and forerunner's driven gear (34) engagement driving with 3,4 respectively; The fast mechanism of said forerunner's clutch, mistake bridge mechanism, forerunner's output mechanism, rear-guard gear, rear-guard output mechanism are installed in the main-gear box body (17) through roller bearing and needle bearing.
2. a kind of the do not have automobile of independent transfer case or the combined speed changer that the tractor front and back drive according to claim 1; The driving gear that it is characterized in that being installed on the output shaft (23) is 2-3; Gear is the 4-5 retaining; Each driving gear on output shaft (23) can both pass through carrier gear (30) and forerunner's driven gear (34) engagement driving, outputs power to front wheel driving.
3. a kind of the do not have automobile of independent transfer case or the combined speed changer that the tractor front and back drive according to claim 1; It is characterized in that bridge mechanism; Forerunner's clutch speed mechanism, forerunner's output mechanism mounting arrangements or is installed in one earlier independently in the small box in main-gear box body (17); Again small box is installed on the main-gear box body (17), makes things convenient for installing/dismounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202456561U CN202203349U (en) | 2011-07-11 | 2011-07-11 | Front-rear driving combined transmission of automobile or tractor without independent transfer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202456561U CN202203349U (en) | 2011-07-11 | 2011-07-11 | Front-rear driving combined transmission of automobile or tractor without independent transfer case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203349U true CN202203349U (en) | 2012-04-25 |
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ID=45967470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202456561U Expired - Lifetime CN202203349U (en) | 2011-07-11 | 2011-07-11 | Front-rear driving combined transmission of automobile or tractor without independent transfer case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094468A (en) * | 2019-04-26 | 2019-08-06 | 长沙桑铼特农业机械设备有限公司 | A kind of actuating unit and tractor |
| CN113442721A (en) * | 2021-08-17 | 2021-09-28 | 马亮 | Transmission system |
-
2011
- 2011-07-11 CN CN2011202456561U patent/CN202203349U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094468A (en) * | 2019-04-26 | 2019-08-06 | 长沙桑铼特农业机械设备有限公司 | A kind of actuating unit and tractor |
| CN113442721A (en) * | 2021-08-17 | 2021-09-28 | 马亮 | Transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170930 Address after: 338 No. 543000 the Guangxi Zhuang Autonomous Region Wuzhou City Longwei District Dragon Avenue southwest Wei Zhen Patentee after: Wuzhou Shanwang Tractor Manufacturing Co., Ltd. Address before: 338 No. 543100 the Guangxi Zhuang Autonomous Region Cangwu Long Wei County of Wuzhou City, southwest of the town road Patentee before: Zhang Zhufen |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |