CN206017689U - A kind of improved farm machine gearbox - Google Patents
A kind of improved farm machine gearbox Download PDFInfo
- Publication number
- CN206017689U CN206017689U CN201621012541.7U CN201621012541U CN206017689U CN 206017689 U CN206017689 U CN 206017689U CN 201621012541 U CN201621012541 U CN 201621012541U CN 206017689 U CN206017689 U CN 206017689U
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- assembly
- gear
- axle
- system synthesis
- clutch
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Abstract
The utility model proposes a kind of improved farm machine gearbox, which includes gear housing assembly, balladeur train axle assembly, fixed gear axle assembly, steering assembly, clutch system assembly, carrier gear axle system, left half axle system synthesis, right axle shaft system synthesis, commutation shift fork system synthesis, variable-speed shaft system synthesis and angular lever system synthesis；Wherein, the clutch system assembly includes that copper bush and axial limit structure, copper shaft put and be provided with oil groove arranged in a crossed manner.Improved agricultural mechanical gear box of the present utility model, carries out axle connection using involute spline, arranges axial limit structure, prevents vibration, and processing cost is lower, and bearing capacity is strong, easy self-centering, and installation accuracy is high, and sealing structure of shaft end reliability is higher., suitable for the agricultural machinery such as harvester, use intensity is big, reliability is high and is easy to keep in repair for farm machine gearbox of the present utility model.
Description
Technical field
This utility model designs technical field of mechanical design, and more particularly to a kind of modified model for multiple farm machineries becomes
Fast case.
Background technology
With the continuous improvement of Automation of Agricultural Production degree, increasing farm machinery is put to agricultural now
In production, such as harvester etc..In farm machinery, change speed gear box is a very important ingredient.By taking harvester as an example,
In order that harvester adapts to the requirement of resistance change under various working condition so as to can work under various conditions, need
Its power biography is the change speed gear box that middle employing can change rotating ratio and driving torque ratio.Change speed gear box is general and electromotor connects,
It is drive system moment transducer and drive mechanism.Change speed gear box can not only expand the torque that electromotor passed on driving wheel and turn
The excursion of speed, to adapt to the needs that harvester is travelled under various conditions, and can keep engine rotation direction not
Reversing, and the power transmission that unites using neutral temporarily disconnected reasonable match is realized in the case of change, is made at electromotor
In idle state.In the design of change speed gear box, the design of gear, axle, shift fork etc. plays an important role, the biography to power
The work efficiency of defeated, change speed gear box, intensity and reliability effect are very big；In addition, in addition it is also necessary to consider manufacturing cost, maintenance facility etc.
Require.
Utility model content
According to the requirement in existing farm machine gearbox use, the purpose of this utility model be to provide a kind of intensity big,
Reliability height, wide adaptability and the farm machine gearbox for being easy to keep in repair.
For reaching the purpose of this utility model, a kind of improved farm machine gearbox of the present utility model includes：Gear
Casing assembly, balladeur train axle assembly, fixed gear axle assembly, steering assembly, clutch system assembly, bridge gear shaft
Assembly, left half axle system synthesis, right axle shaft system synthesis, commutation shift fork system synthesis, variable-speed shaft system synthesis and speed change are shaken
Arm system assembly；Wherein, the balladeur train axle assembly, fixed gear axle assembly, steering assembly, clutch system are total
Into, carrier gear axle assembly, left half axle system synthesis and right axle shaft system synthesis form in casing assembly and are turned round
Square driving gear pair；Main engine control handle is connected with commutation shift fork system synthesis, controls the clutch gear of clutch system assembly
With the dental inlay of steering cluth gear point, close, realize turn to straight trip function；The angular lever system synthesis adopt crank
Slide block mechanism, drives the linear position change of the shift fork of variable-speed shaft system synthesis, the shift fork to be stuck in slip by control crank
On the change-speed gearing of gear axle assembly, so as to drive change-speed gearing do linear position change, and by with fixed gear axle assembly
On third gear engage respectively and realize three kinds of different output speed ratios；The clutch system assembly includes copper bush, axial direction
Position limiting structure, clutch gear and steering cluth gear, the axial limit structure are arranged on clutch gear, it is to avoid copper axle
Set vibration.
Preferably, the bridge gear shaft of the carrier gear axle assembly is overall gear, and adopts on the inside of one end of axle
Connected with involute spline.
Further preferably, the endoporus of the commutation shift fork system synthesis is unthreaded hole, and one end is provided with spring bearing, and shaft end is provided with
Outside framework oil seal, and it is provided with the overall insert of gear positioning.
Further preferably, connected using involute spline on the inside of the axle of the left and right semiaxis of the left/right semiaxis system synthesis, side
End includes 2 road O-rings, 3 road outside framework oil seals and Mud-water-proof oil seal.
Further preferably, the bottom of the casing assembly is provided with multiple connection ear structures.
The beneficial effects of the utility model are that the improved agricultural mechanical gear box carries out axle company using involute spline
Connect, axial limit structure is set, prevents vibration, processing cost is lower, bearing capacity is strong, easy self-centering, installation accuracy is high, axle
End sealing structure reliability is higher.Farm machine gearbox of the present utility model suitable for the agricultural machinery such as harvester, use intensity
Greatly, reliability is high and is easy to keep in repair.
Description of the drawings
By detailed description below in conjunction with the accompanying drawings, the aforesaid and other objects, features and advantages of this utility model will
Become apparent.Wherein：
Figure 1A show the overall composition structural representation of improved agricultural mechanical gear box of the present utility model；
Figure 1B show the schematic side view of improved agricultural mechanical gear box of the present utility model；
Fig. 2A show the structural representation of the clutch system assembly of improved agricultural mechanical gear box of the present utility model
Figure；
Fig. 2 B show the structural representation of the copper bush of the clutch system assembly of Fig. 2A；
Fig. 2 C and Fig. 2 D show the enlarged diagram of the axial limit structure of the clutch system assembly of Fig. 2A；
Fig. 3 show the bridge gear shaft of the carrier gear axle assembly of improved agricultural mechanical gear box of the present utility model
Structural representation；
Fig. 4 show the composition structure of the commutation shift fork system synthesis of improved agricultural mechanical gear box of the present utility model
Schematic diagram；
Fig. 5 show the composition knot of the left/right semiaxis system synthesis of improved agricultural mechanical gear box of the present utility model
Structure schematic diagram；
Fig. 6 show the variable-speed shaft system synthesis of improved agricultural mechanical gear box of the present utility model and angular lever system
The attachment structure schematic diagram of system assembly.
In figure, the label of main parts size and title are as follows：
1- gear housing assembly 2- balladeur train axle assembly 3- fixed gear axle assemblies
4- steering assembly 5- clutch system assembly 6- carrier gear axle assemblies
7- left half axle system synthesis 8- right axle shaft system synthesis 9- commutation shift fork system synthesis
10- variable-speed shaft system synthesis 11- angular lever system synthesis
Specific embodiment
In conjunction with accompanying drawing architectural feature of the present utility model and advantage, details are as follows.
The overall composition structural representation of the improved agricultural mechanical gear box of the present utility model with reference to shown in Figure 1A and 1B
Figure, the change speed gear box include gear housing assembly 1, balladeur train axle assembly 2, fixed gear axle assembly 3, steering assembly 4,
Clutch system assembly 5, carrier gear axle assembly 6, left half axle system synthesis 7, right axle shaft system synthesis 8, commutation shift fork system
Assembly 9, variable-speed shaft system synthesis 10 and angular lever system synthesis 11；Wherein, the balladeur train axle assembly 2, fixing tooth
Axle aggregate 3, steering assembly 4, clutch system assembly 5, carrier gear axle assembly 6, left half axle system synthesis 7 and the right side
Semiaxis system synthesis 8 form gear pair in casing assembly 1, carry out torque drive；(do not schemed by main engine control handle
Show) change the angle of commutation shift fork system synthesis 9, control the clutch gear 503 and steering cluth tooth of clutch system assembly 5
Dividing, closing for the dental inlay of wheel 504, realizes turning to and function (referring to Fig. 2 C and Fig. 2 D) of keeping straight on；Referring to Fig. 6, angular lever system is manipulated
System assembly 11 adopts slider-crank mechanism, by control crank 1101, drives shift fork 1001 in internal variable-speed shaft system synthesis 10
Linear position change, the shift fork 1001 is stuck on the change-speed gearing of balladeur train axle assembly 2, so as to drive change-speed gearing to do
Linear position changes, and realizes three kinds of different output speed ratios by being engaged from the third gear on fixed gear axle assembly 3 respectively.
Wherein, the structural representation of the clutch system assembly 5 with reference to shown in Fig. 2A, which includes copper bush 501, axle
To position limiting structure 502, clutch gear 503 and steering cluth gear 504, referring to Fig. 2 B, copper shaft set 501 is provided with and is in
Oil groove 5010 arranged in a crossed manner, it is ensured that the content of lubricating oil is sufficient, lubricates without dead point, and reliability is high；Referring to Fig. 2 C and Fig. 2 D
Enlarged diagram, the clutch system assembly 5 designs ledge structure 502 on the inside of the clutch gear 503 as axial limiting
Structure, is different from other products without this position limiting structure, and the ledge structure can be prevented copper bush 501 in axle flexible deformation
Extrude to product center, cause copper bush 501 friction to be produced with steering cluth gear 504 and cause copper bush to wear and tear.Thus, can
To prevent axle sleeve vibration, good reliability；The structural representation of the bridge gear shaft of the carrier gear axle assembly with reference to shown in Fig. 3,
The gear shaft is overall gear, and is connected using involute spline 301 in one end of axle, compares original separate type gear
And the connected mode of the connected mode of rectangular spline, integral gear of the present utility model and involute spline, processing cost
Lower, bearing capacity is strong, easy self-centering, and installation accuracy is high, and reliability is higher；Of the present utility model with reference to shown in Fig. 4 changes
Enter the composition structural representation of the commutation shift fork system synthesis 9 of type farm machine gearbox, endoporus is unthreaded hole, using 6004E axles
Hold 901 supports, sealed using outside framework oil seal 903, gear positioning adopt integration insert 902, can anti-misloading, product structure is more
Plus it is reliable；Left/right semiaxis system synthesis referring next to improved agricultural mechanical gear box of the present utility model shown in Fig. 5
Composition structural representation, in one embodiment, the left half axle is 20CrMnTi forging material carburizing and quenchings, and inner side is spent using involute
Key 701 connects；2 road of lateral end seal is adopted gradually using O-ring 702,3 road outside framework oil seals 703 and Mud-water-proof oil seal triple seal
Accurately, intensity is high for the spline that bursts at the seams centering；Integral sealing effect reliability.Separately refer to Figure 1B, the casing assembly 1 bottom left,
Multiple connection ear structures 102 are had additional near right axle shaft system synthesis, so increase the intensity of casing, change speed gear box is being torn open
Unload the flatness that change speed gear box sealing surface is not interfered with immediately when safeguarding by the way of sled is torn open yet.
Improved agricultural mechanical gear box of the present utility model, replaces rectangular spline to carry out axle company using involute spline
Connect, processing cost is lower, bearing capacity is strong, precision and reliability are high；The axle sleeve knot of optimization is set in clutch system assembly
Structure simultaneously increases axial limit structure, and high lubricating effect prevents axial motion；In shaft end using the higher sealing structure of reliability.
, suitable for the agricultural machinery such as harvester, use intensity is big, reliability is high and is easy to tie up for farm machine gearbox of the present utility model
Repair, adapt to more harsh use environment.
This utility model is not limited to described embodiment, and those skilled in the art is without departing from of the present utility model
Spirit is disclosed in scope, can still be made some corrections or be changed, therefore rights protection scope of the present utility model is with claims
The scope of restriction is defined.
Claims (5)
1. a kind of improved farm machine gearbox, it is characterised in that the change speed gear box includes gear housing assembly, balladeur train
Axle assembly, fixed gear axle assembly, steering assembly, clutch system assembly, carrier gear axle assembly, left half axle system are total
Into, right axle shaft system synthesis, commutation shift fork system synthesis, variable-speed shaft system synthesis and angular lever system synthesis；Wherein, institute
State balladeur train axle assembly, fixed gear axle assembly, steering assembly, clutch system assembly, carrier gear axle assembly, a left side
Semiaxis system synthesis and right axle shaft system synthesis are formed in casing assembly and carry out torque transmitting gear pair；Main engine control
Handle is connected with commutation shift fork system synthesis, controls the clutch gear of clutch system assembly and the dental inlay of steering cluth gear
Point, close, realize turn to straight trip function；The angular lever system synthesis adopt slider-crank mechanism, by control crank
The linear position change of the shift fork of variable-speed shaft system synthesis, the shift fork is driven to be stuck in the change-speed gearing of balladeur train axle assembly
On, so as to drive change-speed gearing to do linear position change, and by being engaged with the third gear on fixed gear axle assembly respectively
Realize three kinds of different output speed ratios；The clutch system assembly include copper bush, axial limit structure, clutch gear and
Steering cluth gear, the axial limit structure are arranged on clutch gear, it is to avoid copper bush vibration.
2. a kind of improved farm machine gearbox as claimed in claim 1, it is characterised in that the carrier gear axle assembly
Bridge gear shaft be overall gear, and using involute spline connection on the inside of one end of axle.
3. a kind of improved farm machine gearbox as claimed in claim 1, it is characterised in that the commutation shift fork system is total
Into endoporus be unthreaded hole, one end is provided with spring bearing, and shaft end is provided with outside framework oil seal, and is provided with the overall edge of gear positioning
Block.
4. a kind of improved farm machine gearbox as claimed in claim 1, it is characterised in that half axle system of the left/right
Connected using involute spline on the inside of the axle of the left and right semiaxis of assembly, side includes 2 road O-rings, 3 road outside framework oil seals and anti-mud
Water oil sealing.
5. a kind of improved farm machine gearbox as claimed in claim 1, it is characterised in that the bottom of the casing assembly
It is provided with multiple connection ear structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012541.7U CN206017689U (en) | 2016-08-30 | 2016-08-30 | A kind of improved farm machine gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012541.7U CN206017689U (en) | 2016-08-30 | 2016-08-30 | A kind of improved farm machine gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017689U true CN206017689U (en) | 2017-03-15 |
Family
ID=58256093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621012541.7U Active CN206017689U (en) | 2016-08-30 | 2016-08-30 | A kind of improved farm machine gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224529A (en) * | 2016-08-30 | 2016-12-14 | 兴化东华齿轮有限公司 | A kind of farm machine gearbox of improvement |
-
2016
- 2016-08-30 CN CN201621012541.7U patent/CN206017689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224529A (en) * | 2016-08-30 | 2016-12-14 | 兴化东华齿轮有限公司 | A kind of farm machine gearbox of improvement |
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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: 20201228 Address after: No. 10, Chengnan West Road, Xinghua City, Taizhou, Jiangsu Patentee after: DONGHUA CHAIN XINGHUA Co.,Ltd. Address before: No.26 Wuli West Road, Xinghua City, Taizhou City, Jiangsu Province 225700 Patentee before: XINGHUA DONGHUA GEAR Co.,Ltd. |