CN203575120U - Special gearbox for small self-propelled combine harvester - Google Patents
Special gearbox for small self-propelled combine harvester Download PDFInfo
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- CN203575120U CN203575120U CN201320688238.9U CN201320688238U CN203575120U CN 203575120 U CN203575120 U CN 203575120U CN 201320688238 U CN201320688238 U CN 201320688238U CN 203575120 U CN203575120 U CN 203575120U
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- gear
- small self
- propelled combine
- gearbox body
- gear box
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- 230000005540 biological transmission Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides a special gearbox for a small self-propelled combine harvester. The special gearbox comprises a gearbox body and is characterized in that the gearbox body is of a split structure and divided into a left gearbox body and a right gearbox body, and the left gearbox body and the right gearbox body are fastened together through bolts. Because the gearbox body is of the split structure, the manufacturing cost is directly reduced. Through the improvement, the special gearbox for the small self-propelled combine harvester is more convenient to assemble and maintain. The fault rate of the gearbox is lowered, and maintenance cost is reduced.
Description
Technical field
The utility model belongs to agricultural machinery technological field, specifically a kind of small self-propelled combine-harvester special gear box.
Background technology
China's self-propelled combine is since the early 1990s appears on the market, and existing more than ten years are historical so far.At present, China's small self-propelled combine-harvester special gear box does not also have appropriate products, is mostly the speed changing box for walking tractor transformation of the way and forms, and it is characterized in that mostly adopting double steering brake axle, and it is unreliable to use, and fault is many, and gearbox is also very heavy.This small self-propelled combine-harvester special gear box, at home and abroad have not been reported at present.
Utility model content
The purpose of this utility model is to provide a kind of structure simpler, and manufacturing cost is lower, assembles and keep in repair small self-propelled combine-harvester special gear box more easily.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A small self-propelled combine-harvester special gear box, comprises gearbox body, it is characterized in that described gearbox body is split-type structural, and described gearbox body is divided into left box body and right case, together with left box body passes through bolted with right case.
Described a kind of small self-propelled combine-harvester special gear box, the high and low III shelves that it is characterized in that described gearbox are 4 grades of gear transmission structures.
Described a kind of small self-propelled combine-harvester special gear box, is characterized in that the top of described gearbox body is provided with clutch, and clutch teeth axle is set on clutch, clutch teeth axle and the idler gear engagement being arranged on jackshaft.
Described a kind of small self-propelled combine-harvester special gear box, is characterized in that described jackshaft is bearing on gearbox body by 2 bearings, and jackshaft right side is provided with I back gear.
Described a kind of small self-propelled combine-harvester special gear box, is characterized in that being provided with in described gearbox body intermeshing secondary change-speed gearing and mainshaft gear, central transmission driving gear and the central driver gear of normal engagement.
Described a kind of small self-propelled combine-harvester special gear box, is characterized in that the both sides of described central driver gear are respectively arranged with tooth sector, between central driver gear and tooth sector, is respectively arranged with dental inlay, and described dental inlay connection turns to shift fork.
Described a kind of small self-propelled combine-harvester special gear box, is characterized in that the arranged outside of described tooth sector has brake, and brake connects the driving shaft of gearbox body bottom.
Described a kind of small self-propelled combine-harvester special gear box, it is characterized in that being provided with deboost axle in described gearbox body, deboost axle is supported by bearings at both ends, and centre separates with spacer sleeve, is respectively arranged with symmetrical deceleration duplicate gear on described deboost axle.
Described a kind of small self-propelled combine-harvester special gear box, is characterized in that the gear wheel in described tooth sector and deceleration duplicate gear is normal engagement, and pinion and driven wheel in deceleration duplicate gear often mesh.
Described a kind of small self-propelled combine-harvester special gear box, it is characterized in that described driven wheel is arranged on driving shaft, described driving shaft is divided into left and right driving axle, driven wheel has 2, be separately fixed at the inner of left and right driving axle, left and right driving axle is all bearing on gearbox body by a bearing, and is bearing in driving shaft bearing by another bearing, and driving shaft bearing is bolted on gearbox body.
Small self-propelled combine-harvester special gear box of the present utility model, because gearbox body has adopted split-type structural, thereby has directly reduced the cost of manufacturing.After improving, make assembling and keep in repair more convenient.Reduce Gearbox Fault rate, reduced maintenance cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1-clutch; 2-clutch teeth axle; 3-idler gear; 4-I back gear; 5-jackshaft; 6-back gear; 7-reversing shaft; 8-II III shelves gear; 9-mainshaft gear; 10-main shaft; 11-secondary change-speed gearing; 12-central transmission driving gear; 13-secondary variable-speed shaft; 14-brake; 15-tooth sector; 16-central driver gear; 17-braking in a turn axle; 18-deceleration duplicate gear; 19-deboost axle; 20-driven wheel; 21-driving shaft; 22-right case; 23-left box body.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, the utility model is the miniaturization optimum organization based on the multiple gearbox of former self-propelled combine, and its body structure is the middle subdivision pattern that has adopted electrodeless variable-speed casing, and top is provided with clutch 1; Power through 2 inputs of clutch teeth axle, drives idler gear 3 revolutions by clutch 1, and idler gear 3 is fixed on jackshaft 5, and jackshaft 5 is bearing on casing by two bearings; Jackshaft 5 right lateral positions are equipped with I back gear 4, I, (II, III) shelves gear 4(8 that falls as required during speed change) with its phase gear engagement for gearbox provides I, falls, II, III shelves main transformer degree of hastening; Secondary change-speed gearing 11 meshes respectively and forms high low speed with mainshaft gear 9; Central transmission driving gear 12 is normal engagement with central driver gear 16, central driver gear 16 both sides and tooth sector 15 have for the dental inlay turning to, by rotation, turn to shift fork, can be separated or in conjunction with dental inlay, i.e. cut-out or connection are from the driving force of central driver gear 16, be rotated further and turn to shift fork, tooth sector 15 is mobile pushing brake 14 outwards, makes driving shaft 21 brakings.In tooth sector 15 and deceleration duplicate gear 18, gear wheel is normal engagement, and in deceleration duplicate gear 18, pinion and driven wheel 20 are normal engagement; Deceleration duplicate gear 18 is symmetrical to be placed in respectively on deboost axle 19, and deboost axle 19 is supported by bearings at both ends, and centre separates with spacer sleeve, and above all accessories are assemblied in gearbox left box body 23 and right case 22; Driving shaft 21 is divided into left and right driving axle, driven wheel 20 is arranged on left and right driving axle the inner, left and right driving axle all has a bearing to be bearing on left box body 23 and right case 22, and another bearing is bearing in driving shaft bearing, and bearing block is bolted on gearbox body.By rotating the left and right shift fork that turns to, supporting facility just can be realized left and right having turned to easily and flexibly.
By above-mentioned improvement, high and low III shelves are 4 grades of gear drives, and more traditional type reduces two-stage transmission, and high and low III shelves transmission efficiency is high.Split type box body structure decrease the quantity of spare and accessory parts, thereby reduced the cost of manufacturing.Can not open casing, loading, unloading drive unit.In a word, after improvement, make assembling and keep in repair more convenient.Reduce fault rate, reduced maintenance cost, improved the overall performance of gearbox.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within being all included in protection domain of the present utility model.
Claims (10)
1. a small self-propelled combine-harvester special gear box, comprise gearbox body, it is characterized in that described gearbox body is split-type structural, described gearbox body is divided into left box body (23) and right case (22), and left box body (23) and right case (22) are by bolted together.
2. a kind of small self-propelled combine-harvester special gear box as claimed in claim 1, the high and low III shelves that it is characterized in that described gearbox are 4 grades of gear transmission structures.
3. a kind of small self-propelled combine-harvester special gear box as claimed in claim 1, the top that it is characterized in that described gearbox body is provided with clutch (1), clutch teeth axle (2) is set, clutch teeth axle (2) and idler gear (3) engagement being arranged on jackshaft (5) on clutch (1).
4. a kind of small self-propelled combine-harvester special gear box as claimed in claim 3, is characterized in that described jackshaft (5) is bearing on gearbox body by 2 bearings, and jackshaft (5) right side is provided with I back gear (4).
5. a kind of small self-propelled combine-harvester special gear box as claimed in claim 1, it is characterized in that being provided with in described gearbox body intermeshing secondary change-speed gearing (11) and mainshaft gear (9), the central transmission driving gear (12) of normal engagement and central driver gear (16).
6. a kind of small self-propelled combine-harvester special gear box as claimed in claim 5, the both sides that it is characterized in that described central driver gear (16) are respectively arranged with tooth sector (15), between central driver gear (16) and tooth sector (15), be respectively arranged with dental inlay, described dental inlay connection turns to shift fork.
7. a kind of small self-propelled combine-harvester special gear box as claimed in claim 6, is characterized in that the arranged outside of described tooth sector (15) has brake (14), and brake (14) connects the driving shaft (21) of gearbox body bottom.
8. a kind of small self-propelled combine-harvester special gear box as claimed in claim 7, it is characterized in that being provided with in described gearbox body deboost axle (19), deboost axle (19) is supported by bearings at both ends, centre separates with spacer sleeve, is respectively arranged with symmetrical deceleration duplicate gear (18) on described deboost axle (19).
9. a kind of small self-propelled combine-harvester special gear box as claimed in claim 8, it is characterized in that described tooth sector (15) and the gear wheel in deceleration duplicate gear (18) are normal engagement, the pinion in deceleration duplicate gear (18) and driven wheel (20) often mesh.
10. a kind of small self-propelled combine-harvester special gear box as claimed in claim 9, it is characterized in that described driven wheel (20) is arranged on driving shaft (21), described driving shaft (21) is divided into left and right driving axle, driven wheel (20) has 2, be separately fixed at the inner of left and right driving axle, left and right driving axle is all bearing on gearbox body by a bearing, and by another bearing, be bearing in driving shaft bearing, driving shaft bearing is bolted on gearbox body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688238.9U CN203575120U (en) | 2013-11-04 | 2013-11-04 | Special gearbox for small self-propelled combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688238.9U CN203575120U (en) | 2013-11-04 | 2013-11-04 | Special gearbox for small self-propelled combine harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203575120U true CN203575120U (en) | 2014-05-07 |
Family
ID=50573117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320688238.9U Expired - Fee Related CN203575120U (en) | 2013-11-04 | 2013-11-04 | Special gearbox for small self-propelled combine harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203575120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303618A (en) * | 2014-09-22 | 2015-01-28 | 浙江云洲科技有限公司 | Special gearbox steering clutch for crawler self-propelled rotary cultivator |
| CN104380926A (en) * | 2014-11-24 | 2015-03-04 | 重庆五谷通用设备有限公司 | Turning operating mechanism of rice combine harvester |
-
2013
- 2013-11-04 CN CN201320688238.9U patent/CN203575120U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303618A (en) * | 2014-09-22 | 2015-01-28 | 浙江云洲科技有限公司 | Special gearbox steering clutch for crawler self-propelled rotary cultivator |
| CN104380926A (en) * | 2014-11-24 | 2015-03-04 | 重庆五谷通用设备有限公司 | Turning operating mechanism of rice combine harvester |
| CN104380926B (en) * | 2014-11-24 | 2016-03-23 | 重庆五谷通用设备有限公司 | A kind of rice combine cornering operation mechanism |
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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 |
Granted publication date: 20140507 |