CN201646380U - Drive axle of combined harvester - Google Patents
Drive axle of combined harvester Download PDFInfo
- Publication number
- CN201646380U CN201646380U CN2010201539929U CN201020153992U CN201646380U CN 201646380 U CN201646380 U CN 201646380U CN 2010201539929 U CN2010201539929 U CN 2010201539929U CN 201020153992 U CN201020153992 U CN 201020153992U CN 201646380 U CN201646380 U CN 201646380U
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- gear
- wheel
- axle
- semiaxis
- drive axle
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Abstract
The utility model discloses a drive axle of a combined harvester, which comprises a gear box, a differential gear, a half axle and a hale axle sleeve, wherein the gear box comprises a gear box body and a transmission gear set mounted in the gear box body, the power input part of the differential gear is connected with the transmission tail end of the transmission gear set through a speed-reducing gear device, the half axle is rotationally arranged inside the hale axle sleeve, a wheel rim part is rotationally arranged at the outer end of the hale axle sleeve and used for mounting a wheel hub, the power input end of the half axle is fixedly connected with the power output part of the differential gear, the power output end of the half axle is in transmission connection with the wheel rim part, the inner end part of the half axle sleeve is fixedly arranged on the gear box body, and the differential gear is arranged inside the gear box body. The drive axle of the combined harvester has the advantages of compact structure, stable transmission and high transmission efficiency.
Description
Technical field
The utility model relates to a kind of drive axle, relates in particular to a kind of combination machine drive axle.
Background technology
China is a large agricultural country, and along with the reach of science, the utilization of combination machine more and more widely, yet, the change speed gear box and the drive axle of combination machine separate, and by universal-shaft drive shaft drive, the distance of transmission of power is long between change speed gear box and the drive axle, like this after the change speed gear box speed change, transmission of power gives the efficient of drive axle not high enough, and the stability of transmission of power is good inadequately, and change speed gear box and drive axle are separately, the texture ratio of combination machine is disperseed, and it is big to take up room.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of compact conformation, stable drive, the combination machine drive axle that driving efficiency is high.
For solving the problems of the technologies described above, the technical solution of the utility model is: the combination machine drive axle comprises: change speed gear box, described change speed gear box comprise gearbox body and are installed on the interior change-gear set of described gearbox body; Diff, the power input part of described diff is connected by speed reducing device with the driven end of described change-gear set; Semiaxis and axle tube, described semiaxis rotates and is installed in the described axle tube, the outer end of described axle tube is rotatablely equipped with the wheel limit part that is used to install wheel hub, the power intake of described semiaxis is captiveed joint with the takeoff output portion of described diff, and the clutch end of described semiaxis and the described limit part of taking turns are in transmission connection; The inner end of described axle tube is fixedly installed on the described gearbox body, and described diff is installed in the described gearbox body.
As a kind of improvement, described drive axle also comprises the wheel reduction gear that is used for the dynamic retarding from described semiaxis is passed to wheel limit part.
Because after having adopted technique scheme, effect of the present utility model is: because the combination machine drive axle comprises: change speed gear box, described change speed gear box comprise gearbox body and are installed on the interior change-gear set of described gearbox body; Diff, the power input part of described diff is connected by speed reducing device with the driven end of described change-gear set; Semiaxis and axle tube, described semiaxis rotates and is installed in the described axle tube, the outer end of described axle tube is rotatablely equipped with the wheel limit part that is used to install wheel hub, the power intake of described semiaxis is captiveed joint with the takeoff output portion of described diff, and the clutch end of described semiaxis and the described limit part of taking turns are in transmission connection; The inner end of described axle tube is fixedly installed on the described gearbox body, described diff is installed on described gearbox body, therefore combining machine gearbox and axle tube are fixed as one, structure compactness very, and taking up room reduces, in power transmission process, driving engine passes to change speed gear box, and change speed gear box directly passes to diff through the deceleration of speed reducing device, and the distance of transmission of power shortens, transmission of power very steadily, transmission efficiency uprises.
Again because described drive axle also comprises the wheel reduction gear that is used for the dynamic retarding from described semiaxis is passed to wheel limit part, therefore, when passing to wheel reduction gear, power can also slow down once more, the shaft of the transmission eventually rotating speed of the driven end of change speed gear box need not be reduced to very little, can corresponding raising a little, just the rotating speed of the rotating shafts at different levels of change speed gear box can improve, rotating speed improves, moment of torsion will reduce, the suffered moment of torsion of change speed gear box reduces, needn't increase the reduction ratio of speed reducing device like this, that is to say that the volume that needn't increase speed reducing device involuntary speed reduction gear just can reach the purpose of good deceleration force amplifier, not only deceleration performance is better, and torque distribution is reasonable, make part moment of torsion reasonable distribution to semiaxis, the moment of torsion of change speed gear box reduces, and improves the service life of change speed gear box.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the local structure cutaway view of the utility model embodiment;
Fig. 3 is the cutaway view of the A-A direction of the utility model embodiment;
Fig. 4 is the structure cutaway view of the change speed gear box of the utility model embodiment;
In the accompanying drawing: 1. change speed gear box; 11. gearbox body; 12.I axle; 121. sprocket wheel; 122. high and low shift cliding gear; 123. reverse gear fixed gear wheel; 13.II axle; 131. high-grade fixed gear wheel; 132. driven gear; 133.II shelves fixed gear wheel; 134.I shelves fixed gear wheel; 14.III axle; 141.I-reverse gear cliding gear; 142.II-III shelves cliding gear; 143. reduction pinion teeth; 15. axle of carrier pulley; 151. idle wheel; 16.IV axle; 161. fixing big gear wheel; 17. shifting fork mechanism; 21. axle tube; 22. semiaxis; 3. parking and braking mechanism; 4. take turns the limit part; 5. plate disc brake; 51. brake clamp; 52. brake disc; 6. wheel reduction gear; 61. sun wheel; 62. satellite gear; 63. gear ring; 64. planetary wheel carrier; 7. speed reducing device; 71. active cylindrical wheel; 72. driven cylindrical gear; 8. diff; 81. differential casing; 82. axle side gear; 83. planetary gear device.
The specific embodiment
A kind of combination machine drive axle, as Fig. 1, Fig. 2 and shown in Figure 4, it comprise change speed gear box 1, about two semiaxis 22 and axle tube 21, diff 8, speed reducing device 7 and wheel reduction gear 6.
Described change speed gear box 1 comprises gearbox body 11 and the change-gear set that is installed in the described gearbox body 11, as shown in Figure 3 and Figure 4, described change-gear set comprises that rotation is installed on the I axle 12 in the gearbox body 11, II axle 13, III axle 14, axle of carrier pulley 15, IV axle 16 and shifting fork mechanism 17, described I axle 12, II axle 13, III axle 14, axle of carrier pulley 15, IV axle 16 be arranged in parallel with semiaxis 22, high and low shift cliding gear 122 and reverse gear fixed gear wheel 123 are installed on the described I axle 12, sprocket wheel 121 is installed on the end of described I axle 12, described sprocket wheel 121 is positioned at the outside of gearbox body 11, and described sprocket wheel 121 is connected by chain with the output shaft of driving engine; The driven gear 132, I shelves fixed gear wheel 134 and the II shelves fixed gear wheel 133 that high-grade fixed gear wheel 131 that high-grade gear with high and low shift cliding gear 122 is complementary are installed on the described II axle 13, are complementary with the low-grade gear of high and low shift cliding gear 122; The II-III shelves cliding gear 142 and the reduction pinion teeth 143 that the I-reverse gear cliding gear 141 that all is complementary with I shelves fixed gear wheel 134 and reverse gear fixed gear wheel 123 are installed on the described III axle 14, all are complementary with II shelves fixed gear wheel 133 and driven gear 132; Be fixed with on the described axle of carrier pulley 15 and described reduction pinion teeth 143 ingear idle wheels 151, the diameter of described idle wheel 151 is bigger than the diameter of reduction pinion teeth 143; Described IV axle 16 is to transmit shaft eventually, be the transmission of power end of change speed gear box 1, be equipped with on the described IV axle 16 and fixing big gear wheel 161 and one cylindrical wheel 71 initiatively of idle wheel 151 ingears, described fixedly big gear wheel 161 is bigger than the diameter of idle wheel 151, parking and braking mechanism 3 also is installed on the end of described IV axle 16, and described parking and braking mechanism 3 is positioned at the outside of described gearbox body 11.
As shown in Figure 2, described semiaxis 22 rotates and is installed in the described axle tube 21, the outer end of described axle tube 21 is rotatablely equipped with the wheel limit part 4 that is used to install wheel hub, the clutch end of described semiaxis 22 and the described limit part 4 of taking turns are in transmission connection, the inner end of described two axle tubes 21 is fixed in described gearbox body 11 both sides, between described axle tube 21 and the wheel limit part 4 plate disc brake 5 is installed, the brake disc 52 of described plate disc brake 5 is fixed in the described limit part 4 of taking turns and rotates with wheel limit part 4, and the brake clamp 51 of described plate disc brake 5 is fixed in described axle tube 21 peripheries.
As shown in Figure 4, described diff 8 is installed on gearbox body 11 inside, the power input part of described diff 8 is connected with the power of change speed gear box is terminal by speed reducing device 7, the takeoff output portion of described diff 8 captives joint with the power intake of semiaxis 22, described diff 8 comprises: differential casing 81, and described differential casing 81 rotates and is installed between described two axle tubes 21; Planetary gear device 83, described planetary gear device 83 are installed on the described differential casing 81, and described planetary gear device 83 comprises two satellite gears and a center cross that is fixed on the differential casing 81, and described satellite gear rotates and is installed on the described center cross; Two axle side gears 82, described two axle side gears 82 are individually fixed in the power intake of described semiaxis 22, described axle side gear 82 and described planetary gear device 83 engagements.
As shown in Figure 4, described speed reducing device 7 is a pair of intermeshing cylindrical wheel, comprising: driven cylindrical gear 72, and described driven cylindrical gear 72 is fixedly installed on the described differential casing; Active cylindrical wheel 71, described active cylindrical wheel 71 are installed on the shaft of transmission eventually of described change speed gear box 1, and described driven cylindrical gear 72 and active cylindrical wheel 71 are meshing with each other.
Described drive axle also comprises the wheel reduction gear 6 that is used for the dynamic retarding from described semiaxis 22 is passed to wheel limit part 4, and described wheel reduction gear 6 is an epicyclic reduction gear.The described epicyclic reduction gear of taking turns comprises: sun wheel 61, and described sun wheel 61 is fixed in the clutch end of described semiaxis 22; Gear ring 63, described gear ring 63 are fixed in described axle tube 21 peripheries and are positioned at the described limit part 4 of taking turns; At least two satellite gears 62, described satellite gear 62 is installed on the planetary wheel carrier 64, and described satellite gear 62 all meshes with described sun wheel 61 and gear ring 63, and described planetary wheel carrier 64 is captiveed joint with the described limit part 4 of taking turns.
Principle of work of the present utility model is: the output shaft of driving engine has been given change speed gear box 1 by chain with transmission of power, and power transmission line is as follows:
Low-grade one grade: low-grade gear → driven gear 132 → I shelves fixed gear wheel 134 → I-reverse gear cliding gear 141 → reduction pinion teeth 143 → idle wheel 151 → fixedly big gear wheels 161 → active cylindrical wheel 71 → driven cylindrical gear 72 → diff 8 → semiaxis 22 → wheel reduction gear 6 → wheel of I axle 12 → high and low shift cliding gear 122;
Low-grade second gear: low-grade gear → driven gear 132 → II shelves fixed gear wheel 133 → II-III shelves cliding gear 142 → reduction pinion teeth 143 → idle wheel 151 → fixedly big gear wheels 161 → active cylindrical wheel 71 → driven cylindrical gear 72 → diff 8 → semiaxis 22 → wheel reduction gear 6 → wheel of I axle 12 → high and low shift cliding gear 122;
Low-grade third gear: low-grade gear → driven gear 132 → II-III shelves cliding gear 142 → reduction pinion teeth 143 → idle wheel 151 → fixedly big gear wheels 161 of I axle 12 → high and low shift cliding gear 122 → active cylindrical wheel 71 → driven cylindrical gear 72 → diff 8 → semiaxis 22 → wheel reduction gear 6 → wheel;
High-grade one grade: the high-grade gear of I axle 12 → high and low shift cliding gear 122 → high-grade fixed gear wheel 131 → I shelves fixed gear wheel 134 → I-reverse gear cliding gear 141 → reduction pinion teeth 143 → idle wheel 151 → fixedly big gear wheels 161 → active cylindrical wheel 71 → driven cylindrical gear 72 → diff 8 → semiaxis 22 → wheel reduction gear 6 → wheel;
High-grade second gear: the high-grade gear of I axle 12 → high and low shift cliding gear 122 → high-grade fixed gear wheel 131 → II shelves fixed gear wheel 133 → II-III shelves cliding gear 142 → reduction pinion teeth 143 → idle wheel 151 → fixedly big gear wheels 161 → active cylindrical wheel 71 → driven cylindrical gear 72 → diff 8 → semiaxis 22 → wheel reduction gear 6 → wheel;
High-grade third gear: the high-grade gear of I axle 12 → high and low shift cliding gear 122 → high-grade fixed gear wheel 131 → driven gear 132 → II-III shelves cliding gear 142 → reduction pinion teeth 143 → idle wheel 151 → fixedly big gear wheels 161 → active cylindrical wheel 71 → driven cylindrical gear 72 → diff 8 → semiaxis 22 → wheel reduction gear 6 → wheel;
Reverse gear: I axle 12 → reverse gear fixed gear wheel 123 → I-reverse gear cliding gear 141 → reduction pinion teeth 143 → idle wheel 151 → fixedly big gear wheels 161 → active cylindrical wheel 71 → driven cylindrical gear 72 → diff 8 → semiaxis 22 → wheel reduction gear 6 → wheel.
Because combining machine gearbox 1 and axle tube 21 are fixed as one, drive axle structure compactness very, take up room and reduce, in power transmission process, driving engine passes to change speed gear box 1, change speed gear box 1 directly passes to diff 8 through the deceleration of speed reducing device 7, the distance of transmission of power shortens, transmission of power very steadily, transmission efficiency uprises, increased wheel reduction gear 6, the shaft of transmission eventually of the change speed gear box 1 just rotating speed of IV axle 16 need not be reduced to very low, because power can also slow down when passing to wheel reduction gear 6 once more, eventually the rotating speed of transmission shaft is also just can corresponding raising a little, it is a little that the rotating speed of the rotating shafts at different levels of change speed gear box 1 also can corresponding raising, rotating speed improves, moment of torsion will reduce, change speed gear box 1 suffered moment of torsion just reduces and is relatively more reasonable, needn't increase the reduction ratio of speed reducing device 7 like this, that is to say that driven cylindrical gear 72 volumes that can increase speed reducing device 7 just can reach the purpose of good deceleration force amplifier, not only deceleration performance is better, and torque distribution is reasonable, make part moment of torsion reasonable distribution to semiaxis 22, the moment of torsion of change speed gear box 1 reduces, and improves the service life of change speed gear box 1.
Claims (6)
1. the combination machine drive axle comprises
Change speed gear box, described change speed gear box comprise gearbox body and are installed on the interior change-gear set of described gearbox body;
Diff, the power input part of described diff is connected by speed reducing device with the driven end of described change-gear set;
Semiaxis and axle tube, described semiaxis rotates and is installed in the described axle tube, the outer end of described axle tube is rotatablely equipped with the wheel limit part that is used to install wheel hub, the power intake of described semiaxis is captiveed joint with the takeoff output portion of described diff, and the clutch end of described semiaxis and the described limit part of taking turns are in transmission connection; It is characterized in that: the inner end of described axle tube is fixedly installed on the described gearbox body, and described diff is installed in the described gearbox body.
2. combination machine drive axle as claimed in claim 1 is characterized in that: described drive axle also comprises the wheel reduction gear that is used for the dynamic retarding from described semiaxis is passed to wheel limit part.
3. combination machine drive axle as claimed in claim 2 is characterized in that: described wheel reduction gear is an epicyclic reduction gear.
4. combination machine drive axle as claimed in claim 3 is characterized in that: described epicyclic reduction gear comprises
Sun wheel, described sun wheel is fixed in the clutch end of described semiaxis;
Gear ring, described gear ring are fixed in described axle tube periphery and are positioned at the described limit part of taking turns;
At least two satellite gears, described satellite gear is installed on the planetary wheel carrier, and described satellite gear and described sun wheel and gear ring all mesh, and described planetary wheel carrier is connected with the described limit partial fixing of taking turns.
5. as described any combination machine drive axle of claim 1 to 4, it is characterized in that: described speed reducing device comprises a pair of intermeshing cylindrical wheel.
6. combination machine drive axle as claimed in claim 1 is characterized in that: between described axle tube and the wheel limit part plate disc brake is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201539929U CN201646380U (en) | 2010-04-07 | 2010-04-07 | Drive axle of combined harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201539929U CN201646380U (en) | 2010-04-07 | 2010-04-07 | Drive axle of combined harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646380U true CN201646380U (en) | 2010-11-24 |
Family
ID=43111603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201539929U Expired - Fee Related CN201646380U (en) | 2010-04-07 | 2010-04-07 | Drive axle of combined harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646380U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309408A (en) * | 2014-10-13 | 2015-01-28 | 武汉鑫恒通车桥制造有限公司 | 8-10-ton diesel fork lift truck drive axle structure |
| CN104369620A (en) * | 2014-10-28 | 2015-02-25 | 浙江德盛铁路器材股份有限公司 | Hydraulic drive axle |
| CN108128096A (en) * | 2018-01-29 | 2018-06-08 | 江苏沃得农业机械有限公司 | Bridge before wheeled wheat harvester driving |
| CN108293327A (en) * | 2017-01-20 | 2018-07-20 | 华友天宇科技（武汉)股份有限公司 | A kind of boat tractor transmission system and control method |
-
2010
- 2010-04-07 CN CN2010201539929U patent/CN201646380U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309408A (en) * | 2014-10-13 | 2015-01-28 | 武汉鑫恒通车桥制造有限公司 | 8-10-ton diesel fork lift truck drive axle structure |
| CN104369620A (en) * | 2014-10-28 | 2015-02-25 | 浙江德盛铁路器材股份有限公司 | Hydraulic drive axle |
| CN108293327A (en) * | 2017-01-20 | 2018-07-20 | 华友天宇科技（武汉)股份有限公司 | A kind of boat tractor transmission system and control method |
| CN108128096A (en) * | 2018-01-29 | 2018-06-08 | 江苏沃得农业机械有限公司 | Bridge before wheeled wheat harvester driving |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20180407 |