CN202056255U - Synchronous mechanism for gears of front drive and back drive transmissions of tractor - Google Patents
Synchronous mechanism for gears of front drive and back drive transmissions of tractor Download PDFInfo
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- CN202056255U CN202056255U CN2011200671385U CN201120067138U CN202056255U CN 202056255 U CN202056255 U CN 202056255U CN 2011200671385 U CN2011200671385 U CN 2011200671385U CN 201120067138 U CN201120067138 U CN 201120067138U CN 202056255 U CN202056255 U CN 202056255U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 102
- 230000001360 synchronised effect Effects 0.000 title abstract description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
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Abstract
The utility model discloses a synchronous mechanism for gears of a front driver and back drive transmissions of a tractor, which comprises a main gearbox assembly, a secondary clutch transmission box assembly and a back drive gearbox assembly. Driving gears, driven gears and backward gears and the like are arranged in the main gearbox assembly; a GN91 gearbox assembly is selected as the main gearbox assembly; an NJ130 transmission box assembly is selected as the back drive gearbox assembly; when the gears in the GN91 gearbox assembly of the main gearbox are replaced, the configuration of the gears of the back drive gearbox assembly is not changed; or when the gears in the NJ130 transmission box assembly are replaced, the configuration of the gears of the main gearbox assembly is not changed; one of the two schemes can be selected; each gear of the front drive and each gear of the back drive obtained are matched, and are in simultaneous proportion with the sizes of the front drive wheel and the back drive wheel, the front-back relatively simultaneous drive of the tractor is realized; the drive force of the whole tractor is increased under the condition that the structure of the original tractor is not changed; therefore, the tractor is more reliable to use.
Description
Technical field
The utility model relates to a kind of tractor mechanism, the corresponding lazy-tongs of each gear of speed changer when driving tractor forerunner and rear-guard before and after particularly and driving simultaneously.
Technical background
Tractor is used for cultivated land, whole ground and transportation in the vast rural area of China, and irrigation, generating and processing of farm products are used very generally.Existing a kind of front and back drive tractor, it is that the diesel engine outputting power is to GN91 (workers and peasants 91) type transmission assembly, output to front driving wheel by GN91 type transmission assembly and obtain forerunner's driving, the diesel engine outputting power is to GN91 type transmission assembly, this moment, the forerunner was a neutral gear, output to NJ130 (Nanjing 130) type transmission assembly by secondary clutch transmission case, output power to rear drive sprocket again and obtain the rear-guard driving, and forerunner and rear-guard are when driving simultaneously, the diesel engine outputting power is to GN91 type transmission assembly, GN91 type chassis outputs to NJ130 type transmission assembly by secondary clutch transmission case assembly, this moment forerunner and rear-guard to hang simultaneously be 2 grades, then obtain the respective synchronization driving simultaneously of forerunner and rear-guard, and because of the GN91 type transmission assembly of transmission assembly factory and NJ130 type transmission assembly have only 2 grades corresponding, and remaining gear all can not be corresponding, and this just makes tractor forerunner and rear-guard net synchronization capability bad, also the phenomenon that gear blocks mutually can occur sometimes.
Summary of the invention
The purpose of this utility model is in order to overcome the prior art deficiency, by changing main speed change gear (number of teeth change) in the transmission assembly speed change, change the speed of forerunner and rear-guard, make the gear of its front and back corresponding, thereby reach the simultaneously steady synchronous drive of forerunner and rear-guard, transmission assembly life-span lengthening, the effect that power strengthens.
The technical solution of the utility model is achieved in that
This tractor forerunner and rear-guard Transmission gear lazy-tongs, comprise main-gear box assembly and secondary clutch transmission case assembly, the rear driving transmission assembly, be provided with driving gear in the transmission assembly (as GN91 type or GN12 type transmission assembly), driven gear and reverse gear, diesel engine is input to the rear driving transmission assembly with power by belt pulley and chain box, export by the gear transmission in the secondary clutch transmission case, be connected to the rear driving transmission assembly with transmission shaft, be connected to back axle by transmission shaft again and output to two rear drive sprockets, be characterized in: the main-gear box assembly adopts GN91 type transmission assembly, secondary clutch transmission case assembly, the rear driving transmission assembly adopts NJ130 type transmission assembly, wherein, the reverse gear number of teeth of installing in the GN91 type transmission assembly is 14 teeth, 1 grade of driving gear number of teeth changes 17 teeth into, 1 the reverse gear driven gear number of teeth be 36 teeth, 23 grades of driven gear numbers of teeth be 28 teeth and 19 teeth, in the NJ130 type transmission assembly,) to fall/1/2 grade of driven gear number of teeth be 42 teeth and 33 teeth, 3/4 grade of driven gear number of teeth is 25 teeth, the main number of teeth is 43 teeth, 35 teeth, 27 teeth and 19 teeth, the reverse gear driven gear number of teeth is 18 teeth and 22 teeth, the modulus of GN91 type transmission assembly and other component of NJ130 type transmission assembly and gear, the number of teeth and centre distance are constant.
After the number of teeth of the several required change gear in above-mentioned GN91 type main-gear box assembly or the NJ130 type transmission assembly, 1 grade of 1 grade of corresponding rear-guard of described forerunner, 2 grades of 2 grades of corresponding rear-guards of forerunner, 3 grades of 3 grades of corresponding rear-guards of forerunner, the corresponding reverse gear of forerunner's reverse gear.
When GN91 type main-gear box assembly middle gear was changed, rear driving NJ130 type transmission assembly gear arrangement was constant; When the gear in the rear driving gearbox NJ130 type transmission assembly was changed, main-gear box assembly gear arrangement was constant.
By front driving wheel and rear drive sprocket size, and obtain front driving wheel and the synchronous operated ratio of rear drive sprocket, make the respective synchronization driving simultaneously of tractor forerunner and rear-guard.
The utility model beneficial effect is:
After the gear of the transmission assembly of tractor is changed, here refer to GN91 type transmission assembly and NJ130 type transmission assembly, behind the modulus and the number of teeth that change required important gear, the modulus of other gear, the number of teeth and centre distance are all constant, make the respective synchronization driving simultaneously of tractor forerunner and rear-guard.Each gear all is through the technician diameter, modulus and the speed ratio of gear and the diameter of forerunner's wheel and rear drive sprocket to be unified to consider, after carrying out test of many times, it does not have the phenomenon of card mutually between the process middle gear of operation, the power of output is big and steady, effect and the value used have been strengthened, simple and compact for structure, low cost of manufacture, operation safe is reliable, comfortable flexibly.
Description of drawings
Fig. 1 is a general construction schematic representation of the present utility model.
Fig. 2 is the gear train assembly figure of the GN91 type transmission assembly among Fig. 1.
Fig. 3 is the gear train assembly figure of the secondary clutch transmission case assembly among Fig. 1.
Fig. 4 is the gear train assembly figure of the NJ130 type transmission assembly among Fig. 1.
Embodiment:
Below, the utility model is described in further detail in conjunction with the accompanying drawings.
Shown in Figure 1, be general construction schematic representation of the present utility model.
Description of reference numerals:
It comprises: the gear box of tractor assembly is GN91 type transmission assembly, secondary clutch transmission case assembly and NJ130 type transmission assembly.Wherein, I is secondary variable-speed shaft, and II is a reverse gear shaft, III is second, IV is main variable-speed shaft, and V is a jack shaft, and VI is a steering shaft, VII is a gear shaft, VIII is a live axle, and IX is secondary clutch splined shaft, and X is the passive output shafts of 130 transmission assemblies, XI is 130 transmission assembly gear shafts, and XII is 130 transmission assembly reverse gear shafts.
(1) is 15 and 31 teeth for the secondary speed change gear number of teeth in GN91 type transmission assembly, reverse idler gear (2) number of teeth is 18 teeth, reverse gear (3) number of teeth is 15 teeth, 1 grade of driving gear (4) number of teeth is 19 teeth, 3 grades of driving gears (5) number of teeth is 22 and 34 teeth, 2 grades of driving gears (6) number of teeth is 27 teeth, 23 grades of driven gears (7) number of teeth be 28 and 21 teeth, central authorities' transmission driven gear (8) number of teeth is 16 teeth, 1 reverse gear driven gear (9) number of teeth be 35 teeth, intermediate gear (10) number of teeth is 30 teeth, central driver gear (11) number of teeth is 37 teeth, and steering gear (12) number of teeth is 18 teeth, and gear (13) number of teeth is 13 teeth, reduction gear (14) number of teeth is 40 teeth, and actuation gear (15) number of teeth is 44 teeth.Chain box driven gear (19) number of teeth is 27 teeth, and chain box intermediate gear (20) number of teeth is 48 teeth, and chain box driving gear (21) number of teeth is 26 teeth.
Secondary clutch driving gear (16) number of teeth is 27 teeth, and drive bevel gear (17) number of teeth is 13 teeth, and driven wheel of differential (18) number of teeth is 17 teeth.
In the NJ130 type transmission assembly, driving gear (22) number of teeth is 17 teeth, / 1/2 grade of driven gear (23) number of teeth of falling is 43 teeth and 33 teeth, 3/4 grade of driven gear (24) number of teeth is 18 teeth and 23 teeth, gear driving gear (25) number of teeth is 43 teeth, 36 teeth, 27 teeth and 17 teeth, and reverse gear driven gear (26) number of teeth is 18 teeth and 23 teeth.
When GN91 type main-gear box assembly middle gear was changed, rear driving transmission assembly gear arrangement was constant; When the gear in the rear driving gearbox NJ130 type transmission assembly was changed, main-gear box assembly gear arrangement was constant.
Working principle of the present utility model: diesel engine is input to GN91 type transmission assembly with power by belt pulley and chain box, by the transmission of GN91 type transmission assembly middle gear, outputs to two front driving wheels to drive axle at last.Diesel engine is input to GN91 type transmission assembly with power by belt pulley and chain box, by the output of the gear transmission in the secondary clutch transmission case assembly, is connected to 130 type transmission assemblies with transmission shaft, is connected to back axle by transmission shaft again and outputs to two rear drive sprockets.
Shown in Figure 2, be the kinematic scheme of the GN91 type transmission assembly among Fig. 1.In Fig. 2, chain box driving gear (21) is by chain box intermediate gear (20) drive chain case driven gear (19), drive the secondary speed change gear (1) on the secondary variable-speed shaft of I, driving gear on second of reverse gear on the reverse gear shaft of transmission II again or the III changes speed by the driven gear on the IV master variable-speed shaft.Intermediate gear (10) on central transmission driven gear (8) the transmission V jack shaft on IV master's variable-speed shaft, central driver gear (11) on intermediate gear (10) the transmission VI again steering shaft, steering gear on the VI steering shaft (12) transmission reduction gear tooth (14), the VII gear shaft drives actuation gear (15), is that gear shaft outputs power to two front driving wheels through VII.
Shown in Figure 3, be the gear train assembly figure of secondary clutch transmission case assembly.In Fig. 3, secondary clutch driving gear (16) drives driven wheel of differential tooth (18) with its power output by the drive bevel gear (17) on the secondary clutch splined shaft of IX.
Shown in Figure 4, be the gear train assembly figure of NJ130 type transmission assembly.In Fig. 4, gear driving gear (25) on driving gear (22) the shaft drive XI 130 variable-speed shaft gear shafts, reverse gear on 130 gearboxes of the transmission XII again wheel reverse gear shaft, / 1/2 grade of driven gear (23) on the passive output shaft of X 130 gearboxes or 3/4 grade of driven gear (24) are with its rapid change, then by the passive output shaft outputting power of X 130 gearboxes.
Claims (4)
1. tractor forerunner and rear-guard Transmission gear lazy-tongs, comprise main-gear box assembly and secondary clutch transmission case assembly, the rear driving transmission assembly, be provided with driving gear in the main-gear box assembly, driven gear and reverse gear, diesel engine is input to rear driving transmission assembly assembly with power by belt pulley and chain box, export by the gear transmission in the secondary clutch transmission case assembly, be connected to the rear driving transmission assembly with transmission shaft, be connected to back axle by transmission shaft again and output to two rear drive sprockets, it is characterized in that: the main-gear box assembly adopts GN91 type transmission assembly, the rear driving transmission assembly adopts NJ130 type transmission assembly, wherein, reverse gear (3) number of teeth of installing in the GN91 type transmission assembly is 14 teeth, 1 grade of driving gear (4) number of teeth is 17 teeth, 1 reverse gear driven gear (9) number of teeth be 36 teeth, 23 grades of driven gears (7) number of teeth be 28 teeth and 19 teeth, in the NJ130 type transmission assembly, / 1/2 grade of driven gear (23) number of teeth of falling changes 42 teeth and 33 teeth into, 3/4 grade of driven gear (24) number of teeth is 25 teeth, main (25) number of teeth is 43 teeth, 35 teeth, 27 teeth and 19 teeth, reverse gear driven gear (26) number of teeth is 18 teeth and 22 teeth, the modulus of GN91 type transmission assembly and other component of NJ130 type transmission assembly and gear, the number of teeth and centre distance are constant.
2. tractor forerunner according to claim 1 and rear-guard Transmission gear lazy-tongs, it is characterized in that: in the described main-gear box assembly, 1 grade of 1 grade of corresponding rear-guard of forerunner of gearbox when driving before and after carrying out, 2 grades of 2 grades of corresponding rear-guards of forerunner, 3 grades of 3 grades of corresponding rear-guards of forerunner, the corresponding reverse gear of forerunner's reverse gear.
3. tractor forerunner according to claim 1 and rear-guard Transmission gear lazy-tongs, it is characterized in that: in the described rear driving transmission assembly, 1 grade of 1 grade of corresponding rear-guard of forerunner of gearbox when driving before and after carrying out, 2 grades of 2 grades of corresponding rear-guards of forerunner, 3 grades of 3 grades of corresponding rear-guards of forerunner, the corresponding reverse gear of forerunner's reverse gear.
4. tractor forerunner according to claim 1 and rear-guard Transmission gear lazy-tongs is characterized in that: when main-gear box GN91 type assembly gear was changed, rear driving gearbox NJ130 type transmission assembly gear arrangement was constant; When rear driving gearbox NJ130 type transmission assembly gear was changed, main-gear box assembly gear arrangement was constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200671385U CN202056255U (en) | 2011-03-15 | 2011-03-15 | Synchronous mechanism for gears of front drive and back drive transmissions of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200671385U CN202056255U (en) | 2011-03-15 | 2011-03-15 | Synchronous mechanism for gears of front drive and back drive transmissions of tractor |
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| Publication Number | Publication Date |
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| CN202056255U true CN202056255U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200671385U Expired - Fee Related CN202056255U (en) | 2011-03-15 | 2011-03-15 | Synchronous mechanism for gears of front drive and back drive transmissions of tractor |
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| CN (1) | CN202056255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141126A (en) * | 2011-03-15 | 2011-08-03 | 张柱芬 | Front-drive and rear-drive speed changer gear position synchronous mechanism of tractor |
| CN102537287A (en) * | 2012-01-15 | 2012-07-04 | 福田雷沃国际重工股份有限公司 | Tractor speed change device with 18+6 gears |
-
2011
- 2011-03-15 CN CN2011200671385U patent/CN202056255U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141126A (en) * | 2011-03-15 | 2011-08-03 | 张柱芬 | Front-drive and rear-drive speed changer gear position synchronous mechanism of tractor |
| CN102537287A (en) * | 2012-01-15 | 2012-07-04 | 福田雷沃国际重工股份有限公司 | Tractor speed change device with 18+6 gears |
| CN102537287B (en) * | 2012-01-15 | 2014-08-20 | 福田雷沃国际重工股份有限公司 | Tractor speed change device with 18+6 gears |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20130315 |