CN205654788U - Harvest machinery four wheel drive transfer case assembly - Google Patents
Harvest machinery four wheel drive transfer case assembly Download PDFInfo
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- CN205654788U CN205654788U CN201620476930.9U CN201620476930U CN205654788U CN 205654788 U CN205654788 U CN 205654788U CN 201620476930 U CN201620476930 U CN 201620476930U CN 205654788 U CN205654788 U CN 205654788U
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- gear
- transmission shaft
- transfer case
- power transmission
- wheel drive
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Abstract
The utility model belongs to the technical field of the gearbox, relate to harvest machinery four wheel drive transfer case assembly, be provided with the first transmission shaft that is parallel to each other on the transfer box, secondary drive axle and stretch out the external third transmission shaft of transfer case with the perpendicular and part of secondary drive axle, be fixed with first gear and second gear on the first transmission shaft, secondary drive is epaxial be fixed with first arc tooth bevel gear and with the 2nd gear meshing transmission's third gear, be fixed with on the third transmission shaft and mesh driven second arc tooth bevel gear with the epaxial first arc tooth bevel gear of secondary drive, the second gear, first arc tooth bevel gear, second arc tooth bevel gear is located the internal first cavity of transfer case, first gear be located the internal second cavity of transfer case and lower part expose the second cavity outer in case with the differential mechanism of harvest machinery gearbox on the large gear transmission, the combine who is applicable to the two wheel drive reforms transform into four wheel drive's combine and current combine manufacture factory complete network.
Description
Technical field
This utility model belongs to change speed gear box technical field, refers in particular to a kind of harvest machinery four-wheel drive transfer case assembly.
Background technology
At present, the agricultural harvester tool such as harvester that China uses the most in a large number, ensilage machines etc. are mostly two-wheel drive, particularity due to these mechanical work, such as on hills, mountain region, sand ground, the occasions such as slob are poor due to tack, the pull strength needed cannot be brought into play, two-wheel drive walking is extremely difficult, particularly after rain, agricultural land soil is wet, wheel easily skids, energy consumption is big, the vehicle of former two-wheel drive is transformed into four-wheel drive on the basis of original change speed gear box (such as D3.5 D4.5 harvesting wheat machine gearbox), to better adapt to various complex job operating mode, become the common aspiration of user and manufacturer.
Summary of the invention
The purpose of this utility model is to provide a kind of harvest machinery four-wheel drive transfer case assembly.
The purpose of this utility model is achieved in that
Harvest machinery four-wheel drive transfer case assembly, the first power transmission shaft being parallel to each other it is provided with on transfer casing, second driving shaft and vertical with second driving shaft and part stretch out the 3rd power transmission shaft that transfer case is external, the first gear and the second gear it is fixed with on first power transmission shaft, the first spiral bevel gear and the 3rd gear with the second meshed transmission gear it is fixed with on second driving shaft, it is fixed with on 3rd power transmission shaft and the second spiral bevel gear of the first spiral bevel gear engaged transmission on second driving shaft, second gear, first spiral bevel gear, second spiral bevel gear is positioned at the first chamber of transfer case body, first gear is positioned at the second chamber of transfer case body and bottom expose the second chamber outer in case with the gear wheel engaged transmission on the differential mechanism of harvest machinery change speed gear box.
The bottom of above-mentioned transfer casing is provided with the joint face can being connected above with harvest machinery change speed gear box, and joint face is provided with installing hole and dowel hole.
It is provided with ventilation plug screw on the first above-mentioned chamber and the roof of the second chamber.
Independent charging-up lubricant oil in above-mentioned first chamber.
Be provided with opening on the lower wall of above-mentioned second chamber, the bottom of described first gear from opening part exposes the second chamber in case with the gear wheel engaged transmission on the differential mechanism in harvest machinery change speed gear box.
The number of teeth of above-mentioned first spiral bevel gear and the second spiral bevel gear is identical, and the reference diameter of the second gear is more than the reference diameter of the 3rd gear.
Above-mentioned first gear and the second gear are all connected on the first power transmission shaft by spline, and the 3rd gear and the first spiral bevel gear are all connected on second driving shaft by spline.
Above-mentioned first gear is connected on the first power transmission shaft by spline, second gear set is on the first power transmission shaft, second gear realizes the clutch with the first power transmission shaft by shift fork and engaging sleeve, and the 3rd gear and the first spiral bevel gear are all connected on second driving shaft by spline.
Above-mentioned first power transmission shaft, second driving shaft, the 3rd power transmission shaft are bearing on transfer casing by plural taper roll bearing respectively.
Above-mentioned bearing is needle bearing.
This utility model highlights and useful having the technical effect that compared to existing technology
1, this utility model engages with the gear wheel on the differential mechanism in the change speed gear box of existing harvest machinery, realize two-wheel drive by speed change and commutation and become four-wheel drive, it is possible not only to that the former harvester gear box of existing manufacturer is carried out two and drives the improvement becoming 4 wheel driven, the united reaper of the two-wheel drive being currently in use in a large number can also be transformed into the vehicle of 4 wheel driven, being greatly improved the serviceability of vehicle, economical, societal benefits are huge.
2, it is arranged on the top of original change speed gear box due to this utility model, location comparison is high, second gear, the first spiral bevel gear, the second spiral bevel gear are arranged separately in the first chamber, it is easy to independent oily, improve reliable transmission, the oil lubrication that the first gear is then brought up in change speed gear box by the gear wheel engaged in the harvest machinery change speed gear box of transmission on differential mechanism.
3, this utility model is arranged on the above center (i.e. on change speed gear box longitudinal midline) of original change speed gear box (such as: D3.5D4.5 class change speed gear box), it is easy to directly be connected with the power transmission shaft of rear wheel drive (or front-wheel drive), additionally its position is high, improve the road clearance of transfer case, beneficially vehicle is in farm work.
4, this utility model can drive change 4 wheel driven by two, effectively reduces energy consumption, the pull strength of vehicle be effectively played, reduce wheel-slip, adapt to in hills, mountain region, sand ground, slob operation.
5, this utility model is applicable to the united reaper of old two-wheel drive and is transformed into four-wheel drive and existing united reaper manufacturer is supporting.
Accompanying drawing explanation
Fig. 1 is this utility model installation site on existing change speed gear box and structural representation.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 be in Fig. 1 the B-B of this utility model part to sectional view.
Detailed description of the invention
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings, sees Fig. 1 Fig. 3:
nullHarvest machinery four-wheel drive transfer case assembly，The first power transmission shaft 31 being parallel to each other it is provided with on transfer casing 20、Second driving shaft 24 and vertical with second driving shaft 24 and part stretch out the 3rd power transmission shaft 21 outside transfer casing 20，The first gear 30 and the second gear 27 it is fixed with on first power transmission shaft 31，The first spiral bevel gear 22 and the 3rd gear 23 with the second gear 27 engaged transmission it is fixed with on second driving shaft 24，It is fixed with on 3rd power transmission shaft 21 and the second spiral bevel gear 35 of the first spiral bevel gear 22 engaged transmission on second driving shaft 24，Second gear 27、First spiral bevel gear 22、Second spiral bevel gear 35 is positioned at the first chamber 25 of transfer casing 20，First gear 30 is positioned at the second chamber 32 of transfer casing 20 and bottom expose the second chamber 32 outer in case with gear wheel 11 engaged transmission on the differential mechanism 12 of harvest machinery change speed gear box 10.
Being provided with the joint face 34 can being connected above with harvest machinery change speed gear box on the bottom of above-mentioned transfer casing 20, the upper cover 13 that joint face 34 is provided with installing hole and dowel hole bolt 33 and harvest machinery change speed gear box 10 is tightly connected；Certainly, harvest machinery change speed gear box 10 be provided above with opening, in order to the first gear 30 and gear wheel 11 engaged transmission on the differential mechanism 12 in harvest machinery change speed gear box 10.
Ventilation plug screw 36 it is provided with, in order to the second chamber 32 of the first chamber 25 and harvest machinery change speed gear box 10 inner space keeps atmospheric pressure state on the first above-mentioned chamber 25 and the roof 37 of the second chamber 32.
Independent charging-up lubricant oil in above-mentioned first chamber 25.
Be provided with opening 321 on the lower wall of above-mentioned second chamber 32, the bottom of described first gear 30 expose at opening 321 second chamber 32 outer in case with gear wheel 11 engaged transmission on the differential mechanism 12 in harvest machinery change speed gear box 10.
Above-mentioned first spiral bevel gear 22 is identical with the number of teeth of the second spiral bevel gear 35, and the reference diameter of the second gear 27 is more than the reference diameter of the 3rd gear 23.
Above-mentioned first gear 30 and the second gear 27 are all connected on the first power transmission shaft 31 by spline, and the 3rd gear 23 and the first spiral bevel gear 22 are all connected on second driving shaft 24 by spline.
Above-mentioned first gear 30 is connected on the first power transmission shaft 31 by spline, second gear 27 is sleeved on the first power transmission shaft 31, second gear 27 realizes the clutch with the first power transmission shaft 31 by shift fork 39 and engaging sleeve 40, the driving lever of described shift fork 39 is arranged on shift fork axle 38, moving axially of shift fork axle 38 drives the movement of shift fork 39 and then realizes the clutch with the first power transmission shaft 31, second gear 27 departs from driving then the 3rd power transmission shaft 21 of the first power transmission shaft 31 and the most externally exports power, otherwise the most externally export power, 3rd gear 23 and the first spiral bevel gear 22 are all connected on second driving shaft 24 by spline.
Above-mentioned engaging sleeve 40 mounts gear, is bearing on the first power transmission shaft 31 by needle bearing or lining.
Above-mentioned first power transmission shaft 31, second driving shaft the 24, the 3rd power transmission shaft 21 are bearing on transfer casing 20 by plural taper roll bearing 26 respectively, and above-mentioned bearing 26 is needle bearing.
This utility model is arranged on D3.5D4.5 class change speed gear box on cover, gear wheel on D3.5D4.5 class gearbox differential mechanism and the first meshed transmission gear of the present utility model can drive the 3rd axle to rotate, and the 3rd axle can realize four-wheel drive by the parts such as adpting flange, transmission case and the linkage of steering and driving axle power shaft, transfer case assembly of the present utility model is positioned at the center of change speed gear box, it is simple to be directly connected with the power transmission shaft of rear wheel drive (or front-wheel drive).
Above-described embodiment is only preferred embodiment of the present utility model, limits protection domain of the present utility model the most according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, within protection domain of the present utility model all should be covered by.
Claims (10)
1. harvest machinery four-wheel drive transfer case assembly, it is characterised in that: it is provided with the most flat on transfer casing
To stretch out transfer case external for first power transmission shaft of row, second driving shaft and and part vertical with second driving shaft
3rd power transmission shaft, the first power transmission shaft is fixed with the first gear and the second gear, second driving shaft is fixed with
First spiral bevel gear and the 3rd gear with the second meshed transmission gear, the 3rd power transmission shaft is fixed with and the
Second spiral bevel gear of the first spiral bevel gear engaged transmission on two power transmission shafts, the second gear, the first arc
Bevel gear, the second spiral bevel gear are positioned at the first chamber of transfer case body, and the first gear is positioned at transfer
In the second chamber in casing and bottom expose the second chamber outer in case with the differential mechanism in harvest machinery change speed gear box
On gear wheel engaged transmission.
Harvest machinery four-wheel drive transfer case assembly the most according to claim 1, it is characterised in that: institute
The bottom stating transfer casing is provided with the joint face can being connected above with harvest machinery change speed gear box, and joint face sets
It is equipped with installing hole and dowel hole.
Harvest machinery four-wheel drive transfer case assembly the most according to claim 1, it is characterised in that: institute
It is provided with ventilation plug screw on the first chamber stated and the roof of the second chamber.
Harvest machinery four-wheel drive transfer case assembly the most according to claim 1, it is characterised in that: institute
Independent charging-up lubricant oil in stating the first chamber.
Harvest machinery four-wheel drive transfer case assembly the most according to claim 1, it is characterised in that: institute
Stating and be provided with opening on the lower wall of the second chamber, the second chamber is exposed from opening part in the bottom of described first gear
Outer so as with the gear wheel engaged transmission on the differential mechanism in harvest machinery change speed gear box.
Harvest machinery four-wheel drive transfer case assembly the most according to claim 1, it is characterised in that: institute
The number of teeth stating the first spiral bevel gear and the second spiral bevel gear is identical, and the reference diameter of the second gear is more than
The reference diameter of the 3rd gear.
Harvest machinery four-wheel drive transfer case assembly the most according to claim 1, it is characterised in that: institute
State the first gear and the second gear is all connected on the first power transmission shaft by spline, the 3rd gear and the first curved tooth
Bevel gear is all connected on second driving shaft by spline.
Harvest machinery four-wheel drive transfer case assembly the most according to claim 1, it is characterised in that: institute
State the first gear to be connected on the first power transmission shaft by spline, the second gear set on the first power transmission shaft,
Two gears realize the clutch with the first power transmission shaft, the 3rd gear and the first curved-tooth bevel gear by shift fork and engaging sleeve
Wheel is all connected on second driving shaft by spline.
Harvest machinery four-wheel drive transfer case assembly the most according to claim 8, it is characterised in that: institute
The engaging sleeve mounting gear stated, is bearing on the first power transmission shaft by needle bearing or lining.
10., according to the harvest machinery four-wheel drive transfer case assembly described in any one of claim 1-9, it is special
Levy and be: described first power transmission shaft, second driving shaft, the 3rd power transmission shaft are respectively by plural circular cone
Roller bearing is bearing on transfer casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476930.9U CN205654788U (en) | 2016-05-21 | 2016-05-21 | Harvest machinery four wheel drive transfer case assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476930.9U CN205654788U (en) | 2016-05-21 | 2016-05-21 | Harvest machinery four wheel drive transfer case assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654788U true CN205654788U (en) | 2016-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620476930.9U Active CN205654788U (en) | 2016-05-21 | 2016-05-21 | Harvest machinery four wheel drive transfer case assembly |
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| Country | Link |
|---|---|
| CN (1) | CN205654788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822732A (en) * | 2016-05-21 | 2016-08-03 | 浙江海天机械有限公司 | Four-wheel drive transfer case assembly for harvest machine |
| CN108605515A (en) * | 2018-04-28 | 2018-10-02 | 张红军 | A kind of whole gearbox of corn picker |
-
2016
- 2016-05-21 CN CN201620476930.9U patent/CN205654788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822732A (en) * | 2016-05-21 | 2016-08-03 | 浙江海天机械有限公司 | Four-wheel drive transfer case assembly for harvest machine |
| CN108605515A (en) * | 2018-04-28 | 2018-10-02 | 张红军 | A kind of whole gearbox of corn picker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |