CN203575121U - Micro-type self-propelled combine harvester continuously variable transmission - Google Patents
Micro-type self-propelled combine harvester continuously variable transmission Download PDFInfo
- Publication number
- CN203575121U CN203575121U CN201320688260.3U CN201320688260U CN203575121U CN 203575121 U CN203575121 U CN 203575121U CN 201320688260 U CN201320688260 U CN 201320688260U CN 203575121 U CN203575121 U CN 203575121U
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- gear
- variable transmission
- gearbox body
- propelled combine
- infinitely variable
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Abstract
The utility model discloses a micro-type self-propelled combine harvester continuously variable transmission which comprises a transmission body, a speed reducing shaft, a speed reducing gear and a driving shaft. The transmission body is of an integrated structure, the upper portion of the transmission body is provided with a transition connection board, and the transition connection board and a power input device 'HST' connection flange are firmly fixed to the transmission body 13 through the same set of bolts. Due to the fact that the transmission body is of the integrated structure, compared with a middle split type structure, the overall strength of the transmission body is improved, the metal machining technology processes are simplified, and manufacturing cost is directly reduced. By means of the improvement, assembling and maintaining are more convenient, the failure rate of the transmission is reduced, and maintenance cost is reduced.
Description
Technical field
The utility model belongs to agricultural machinery technological field, specifically a kind of Miniature self-propelled combine infinitely variable transmission.
Background technology
China's self-propelled combine, since the early 1990s appears on the market, has had more than ten years history so far.At present, China's self-propelled combine infinitely variable transmission is mostly imitative Japanese Kubo field half-feeding harvester gearbox.It is characterized in that casing is comprised of two and half housings, this housing difficulty when metalworking is larger, easily produces distortion, and requires machining accuracy high, so manufacturing cost is higher.Because casing is two and half housing compositions, its intensity is also be not as high as integral type, and assembling and maintenance are also very inconvenient, and commissure exists the hidden danger of leakage of oil.This Miniature self-propelled combine infinitely variable transmission, 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 intensity that improves casing, and structure is simpler, and manufacturing cost is lower, assembles and keep in repair Miniature self-propelled combine infinitely variable transmission more easily.
In order to solve the problems of the technologies described above, the utility model provides a kind of Miniature self-propelled combine infinitely variable transmission.
A kind of Miniature self-propelled combine infinitely variable transmission, comprises gearbox body, it is characterized in that described gearbox body is integral type structure, and gearbox body top is provided with transition connecting plate, described transition connecting plate by bolted on gearbox body top.
Described a kind of Miniature self-propelled combine infinitely variable transmission, is characterized in that described transition connecting plate and power conveying device adpting flange share one group of bolted on gearbox body.
Described a kind of Miniature self-propelled combine infinitely variable transmission, the bottom that it is characterized in that described transition connecting plate is provided with input driving gear, described input driving gear engages with the input driven gear that is arranged on its underpart, described input driven gear is fixed on main shaft, and main shaft is bearing on gearbox body by two bearings.
Described a kind of Miniature self-propelled combine infinitely variable transmission, is characterized in that main shaft centre position is provided with the change-speed gearing that can engage respectively with I shelves gear, II shelves gear and III shelves gear.
Described a kind of Miniature self-propelled combine infinitely variable transmission, it is characterized in that described III shelves gear with central driver gear for often to engage, the both sides of central driver gear are provided with tooth sector, between central driver gear and tooth sector, are provided with dental inlay, and dental inlay connection turns to shift fork.
Described a kind of Miniature self-propelled combine infinitely variable transmission, is characterized in that the bottom of described tooth sector is provided with brake, and brake is connected with the driving shaft being arranged in gearbox body.
Described a kind of Miniature self-propelled combine infinitely variable transmission, it is characterized in that being provided with in described gearbox body lazy axle, described lazy axle is supported by the bearing at two ends, and centre separates with spacer sleeve, is respectively arranged with symmetrical large idle gear and little idle gear on described lazy axle.
Described a kind of Miniature self-propelled combine infinitely variable transmission, is characterized in that described tooth sector often engages with large idle gear, and little idle gear often engages with the driven wheel being arranged on driving shaft.
Described a kind of Miniature self-propelled combine infinitely variable transmission, it is characterized in that 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 by another bearing, be bearing in driving shaft bearing, driving shaft bearing is bolted on gearbox body.
The utility model, because gearbox body has adopted integral structure, with middle dissection type contrast, has improved the bulk strength of gearbox body, has also simplified processing technology, thereby has directly reduced the cost of manufacturing.After above improvement, 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-transition connecting plate; 2-input driving gear; 3-input driven gear; 4-change-speed gearing; 5-III shelves gear; 6-I shelves gear; 7-central driver gear; 8-tooth sector; 9-large idle gear; 10-little idle gear; 11-driving shaft; 12-driven wheel; 13-gearbox body; 14-lazy axle; 15-brake; 16-turn to spring; 17-braking in a turn axle; 18-II shelves gear; 19-main shaft; 20-variable-speed shaft; 21-turn to shift fork.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, the utility model is the microminiaturization based on former self-propelled combine infinitely variable transmission, its structure is to be that two formulas change integrated box into by the middle subdivision of former gearbox body 13, top is provided with transition connecting plate 1, by transition connecting plate, together with power input device " HST " adpting flange, shares one group of bolted on gearbox body 13; Power is inputted by inputting driving gear 2, drives input driven gear 3 to turn round, and input driven gear 3 is fixed on main shaft 19, and main shaft 19 is bearing on gearbox body 13 by two bearings; Main shaft 19 interpositions are equipped with change-speed gearing 4, and change-speed gearing 4 can be as required and I(II, III) shelves gear 6(18,5) engage and provide I, II, III shelves speed for gearbox body; III shelves gear 5 with central driver gear 7 for often to engage, between central driver gear 7 both sides and tooth sector 8, have for the dental inlay turning to, by rotation, turn to shift fork 21, can separate or in conjunction with dental inlay, i.e. cut-out or connection are from the driving force of central driver gear 7, be rotated further and turn to shift fork 21, tooth sector 8 is mobile pushing brake 15 outwards, and driving shaft 11 is braked.Tooth sector 8 with large idle gear 9 for often to engage, little idle gear 10 with driven wheel 12 for often to engage; (little) idle gear 9(10 greatly) symmetrical being placed in respectively on lazy axle 14, lazy axle 14 is supported by bearings at both ends, and centre separates with spacer sleeve, and above all accessories are assemblied in gearbox body 13; Driving shaft 11 is divided into left and right driving axle, driven wheel 12 is separately fixed on left and right driving axle the inner, left and right driving axle all has a bearing to be bearing on gearbox body 13, and another bearing is bearing in driving shaft bearing, and bearing block is bolted on gearbox body 13.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, integral structure has improved the bulk strength of gearbox body, has also simplified the metalworking technique of axis hole, thereby has reduced the cost of manufacturing.In a word, after improvement, make assembling and keep in repair more convenient., reduced 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 (9)
1. a Miniature self-propelled combine infinitely variable transmission, comprise gearbox body (13), it is characterized in that described gearbox body (13) is for integral type structure, gearbox body (13) top is provided with transition connecting plate (1), described transition connecting plate (1) by bolted on gearbox body (13) top.
2. a kind of Miniature self-propelled combine infinitely variable transmission as claimed in claim 1, is characterized in that described transition connecting plate (1) and power conveying device adpting flange share one group of bolted on gearbox body (13).
3. a kind of Miniature self-propelled combine infinitely variable transmission as claimed in claim 1, the bottom that it is characterized in that described transition connecting plate (1) is provided with input driving gear (2), described input driving gear (2) engages with the input driven gear (3) that is arranged on its underpart, it is upper that described input driven gear (2) is fixed on main shaft (19), and main shaft (19) is bearing on gearbox body (13) by two bearings.
4. a kind of Miniature self-propelled combine infinitely variable transmission as claimed in claim 3, is characterized in that main shaft (19) centre position is provided with the change-speed gearing (4) that can engage respectively with I shelves gear (6), II shelves gear (18) and III shelves gear (5).
5. a kind of Miniature self-propelled combine infinitely variable transmission as claimed in claim 4, it is characterized in that described III shelves gear (5) with central driver gear (7) for often to engage, the both sides of central driver gear (7) are provided with tooth sector (8), between central driver gear (7) and tooth sector (8), be provided with dental inlay, dental inlay connection turns to shift fork (21).
6. a kind of Miniature self-propelled combine infinitely variable transmission as claimed in claim 5, the bottom that it is characterized in that described tooth sector (8) is provided with brake (15), and brake (15) is connected with the driving shaft (11) being arranged in gearbox body (13).
7. a kind of Miniature self-propelled combine infinitely variable transmission as claimed in claim 6, it is characterized in that being provided with in described gearbox body (13) lazy axle (14), described lazy axle (14) is supported by the bearing at two ends, centre separates with spacer sleeve, is respectively arranged with symmetrical large idle gear (9) and little idle gear (10) on described lazy axle (14).
8. a kind of Miniature self-propelled combine infinitely variable transmission as claimed in claim 7, it is characterized in that described tooth sector (8) often engages with large idle gear (9), little idle gear (10) often engages with the driven wheel (12) being arranged on driving shaft (11).
9. a kind of Miniature self-propelled combine infinitely variable transmission as claimed in claim 8, it is characterized in that described driving shaft (11) is divided into left and right driving axle, driven wheel (12) 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 (13) by a bearing, and by another bearing, be bearing in driving shaft bearing, driving shaft bearing is bolted on gearbox body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688260.3U CN203575121U (en) | 2013-11-04 | 2013-11-04 | Micro-type self-propelled combine harvester continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688260.3U CN203575121U (en) | 2013-11-04 | 2013-11-04 | Micro-type self-propelled combine harvester continuously variable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203575121U true CN203575121U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320688260.3U Expired - Lifetime CN203575121U (en) | 2013-11-04 | 2013-11-04 | Micro-type self-propelled combine harvester continuously variable transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203575121U (en) |
Cited By (1)
| 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 |
-
2013
- 2013-11-04 CN CN201320688260.3U patent/CN203575121U/en not_active Expired - Lifetime
Cited By (1)
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |