CN202971765U - Speed changing box - Google Patents
Speed changing box Download PDFInfo
- Publication number
- CN202971765U CN202971765U CN 201220668442 CN201220668442U CN202971765U CN 202971765 U CN202971765 U CN 202971765U CN 201220668442 CN201220668442 CN 201220668442 CN 201220668442 U CN201220668442 U CN 201220668442U CN 202971765 U CN202971765 U CN 202971765U
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- Prior art keywords
- shaft
- gear
- input shaft
- variable
- farming
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Abstract
The utility model belongs to the technical field of agricultural machinery and particularly discloses a speed changing box. The speed changing box comprises an outer casing and a transmission system in the outer casing. The transmission system comprises an input shaft and a farming hexagonal shaft serving as an output shaft, the input shaft is in power connection with a variable shaft through a gear, and the variable shaft is in power variable delivering connection with the farming hexagonal shaft through a farming driven shaft. A high-speed gear, input shaft middle teeth and an input shaft small gear are fixedly sleeved on the input shaft, a duplex big gear, a duplex small gear and a high-speed driven gear which are integrally connected and in corresponding meshed connection with the high-speed gear, the input shaft middle teeth and the input shaft small gear independently are arranged on an upper sliding sleeve of the variable shaft, and a shifting fork is arranged between the duplex big gear and the duplex small gear. Each gear on the variable shaft is singly meshed with different gears on the input shaft to form different transmission ratios and output different rates to adapt to the fact that different terrains select different transmission ratios, and work efficiency of a whole farming machine is improved.
Description
Technical field
The utility model belongs to agricultural machinery technological field, is specifically related to a kind of gearbox of agricultural ploughing machine.
Background technique
Along with the raising of agricultural production mechanization degree, function agricultural cultivator has extensively applied to the every field of agricultural production, as plough, weed soil, beat the grass, irrigate, harvesting etc., improved agricultural production efficiency.
At present, domestic agricultural ploughing machine is mainly take two gears as main, transmission performance is single, be difficult to reach its desirable working efficiency, such as different soil properties or different native conditions, and for example agricultural ploughing machine is when ploughing or when bare place was walked, perhaps different landform etc. situation, all needed agricultural ploughing machine to operate with different speed.
In addition, the gear box casing of traditional agricultural ploughing machine is all by upper and lower, perhaps left and right two-part form, when die sinking is made, need to open two moulds and make two and half housings, during assembling, this two and half housing be fixed, this need to have requirement to the assembly precision of two halves housing, the assembly performance that guarantee is good.
Summary of the invention
For above-mentioned deficiency of the prior art, the utility model aims to provide a kind of gearbox of agricultural ploughing machine, can realize a plurality of gears that advance, and can specifically according to different landform or ground condition etc. select different velocity ratios, to improve the working efficiency of agricultural ploughing machine.
to achieve these goals, the technical solution of the utility model: a kind of gearbox, comprise frame and interior transmission system thereof, this transmission system comprises input shaft and as farming six square shafts of output shaft, this input shaft connects a variable-speed shaft by gear transmission, this variable-speed shaft is connected with farming six square shaft direction-variable power transmission by a farming driven shaft, wherein, be installed with high gear on described input shaft, the input shaft center tooth, the input shaft small gear, having at the variable-speed shaft upper sliding sleeve can be separately and this high gear, the input shaft center tooth, input shaft small gear correspondence duplex gearwheel that be connected with a joggle and that be connected, the duplex small gear, the high speed driven gear, be provided with shift fork between described duplex gearwheel and duplex small gear.
Further, described variable-speed shaft is splined shaft, and described duplex gearwheel, duplex small gear, high speed driven gear are arranged on this variable-speed shaft by this spline sleeve.
At described farming driven shaft one end, deep bid cone tooth is set, its cone tooth with the variable-speed shaft end meshes; The other end arranges the cone tooth, the farming umbrella gear engagement on itself and farming six square shafts.
Be fixed with on described shift fork one with described variable-speed shaft parallel axes to the declutch shift shaft that arranges, have several gears holes on this declutch shift shaft.
Described transmission system also includes a reverse shaft, and this reverse shaft is by the gear transmission engagement on a reverse gear on it and input shaft.
In addition, described frame comprise the main casing that installs transmission system, this main casing top horizontal cover plate, and the end cap of each shaft end of transmission system is installed or/and bearing support.Preferably, this main casing integrally casting moulding.
The beneficial effects of the utility model: by shift fork, the large and small gear of duplex, high speed driven gear being slided on variable-speed shaft sets, make the large and small gear of duplex, high speed driven gear separately from input shaft on high gear, input shaft center tooth, input shaft small gear mesh to form different velocity ratios, cause the different rates of farming six square shafts, to select different velocity ratios according to different terrain or ground condition etc., improve the working efficiency of whole agricultural ploughing machine; In addition, whole frame is an integral casting forming, has saved the die sinking cost, and has improved the transmission performance of assembly precision and whole gearbox.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is transmission perspective view of the present utility model;
Fig. 2 is the structural representation of the utility model frame.
Embodiment
Further describe the utility model below in conjunction with specific embodiment and accompanying drawing.
a kind of as Fig. 1, gearbox shown in 2 comprises frame and interior transmission system thereof, this transmission system comprises input shaft 1 and as farming six square shafts 15 of output shaft, this input shaft 1 connects a variable-speed shaft 7 by gear transmission, this variable-speed shaft 7 is connected with farming six square shaft 15 direction-variable power transmission by a farming driven shaft 13, wherein, be installed with high gear 2 on described input shaft 1, input shaft center tooth 3, input shaft small gear 4, having at variable-speed shaft 7 upper sliding sleeves can be separately and this high gear 2, input shaft center tooth 3, input shaft small gear 4 correspondences duplex gearwheel 8 that be connected with a joggle and that be connected, duplex small gear 10, high speed driven gear 11, be provided with shift fork 9 between described duplex gearwheel 8 and duplex small gear 10.
the duplex gearwheel 8 that the utility model is connected by 9 pairs of shift forks, duplex small gear 10, high speed driven gear 11 stirring on variable-speed shaft 7, make the duplex gearwheel 8 on it, duplex small gear 10, high speed driven gear 11 is distinguished separately and the high gear 2 on input shaft 1, input shaft center tooth 3, 4 engagements of input shaft small gear are so that variable-speed shaft 7 obtains the power moment of different drive ratios, pass to farming six square shafts 15 by this variable-speed shaft 7 by farming driven shaft 13 again, finally realize the operating rate that whole agricultural ploughing machine is different, to adapt to the agricultural ploughing machine farming of different landform or ground condition, further improve the working efficiency of agricultural ploughing machine.
Preferably, see Fig. 1 for details, described variable-speed shaft 7 is splined shaft, and described duplex gearwheel 8, duplex small gear 10, high speed driven gear 11 are arranged on this variable-speed shaft 7 by this spline sleeve.Described shift fork 9 is stirred duplex gearwheel 8, duplex small gear 10, high speed driven gear 11 and is slided on spline.
At described farming driven shaft 13 1 ends, deep bid cone tooth 12 is set, its cone tooth with variable-speed shaft 7 ends meshes; The other end arranges the cone tooth, farming umbrella gear 14 engagements on itself and farming six square shafts 15.Make the moment break-in by the engagement of cone tooth, so that the layout of the whole agricultural ploughing machine of moment relationship match of input shaft 1 and farming six square shafts 15.
Be fixed with on described shift fork 9 one with described variable-speed shaft 7 parallel axes to the declutch shift shaft that arranges, have several gears holes on this declutch shift shaft.On the gear hole on this declutch shift shaft, external gear handle is set, to control the action of shift fork 9 on variable-speed shaft 7.
In addition, described transmission system also includes a reverse shaft 6, and this reverse shaft 6 is by the gear transmission engagement on its upper reverse gear 5 and input shaft 1, for the agricultural ploughing machine use of reversing gear.
See Fig. 2 for details, the frame in the utility model comprise the main casing 20 that installs transmission system, this main casing 20 tops horizontal cover plate 30, and the end cap 40 of each shaft end of transmission system is installed or/and bearing support 50; Preferably, described main casing 20 integrally casting moulding.During assembling, each gear is put into by residing mouthful of the main casing 20 horizontal cover plates 30 in upper end, and penetrate each axle in the axis hole of main casing 20, after corresponding gear assembling, with end cap 40 or/bearing support 50 is fixed on each axle two ends stationary positioned, at last horizontal cover plate 30 is fixed on main casing 20 tops and gets final product.Take whole frame as an integral casting forming, saved the die sinking cost, and improved the transmission performance of assembly precision and whole gearbox.
The above technological scheme that the utility model embodiment is provided is described in detail, used specific case herein the utility model embodiment's principle and mode of execution are set forth, above embodiment's explanation is only applicable to help to understand the utility model embodiment's principle; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, all will change on embodiment and application area, in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. gearbox, comprise frame and interior transmission system thereof, this transmission system comprises input shaft (1) and as farming six square shafts (15) of output shaft, this input shaft (1) connects a variable-speed shaft (7) by gear transmission, this variable-speed shaft (7) is connected with farming six square shafts (15) direction-variable power transmission by a farming driven shaft (13), it is characterized in that: be installed with high gear (2) on described input shaft (1), input shaft center tooth (3), input shaft small gear (4), having at variable-speed shaft (7) upper sliding sleeve can be separately and this high gear (2), input shaft center tooth (3), input shaft small gear (4) correspondence duplex gearwheel that be connected with a joggle and that be connected (8), duplex small gear (10), high speed driven gear (11), be provided with shift fork (9) between described duplex gearwheel (8) and duplex small gear (10).
2. gearbox according to claim 1, it is characterized in that: described variable-speed shaft (7) is splined shaft, and described duplex gearwheel (8), duplex small gear (10), high speed driven gear (11) are arranged on this variable-speed shaft (7) by this spline sleeve.
3. gearbox according to claim 1 is characterized in that: at described farming driven shaft (13) one ends, deep bid cone tooth (12) is set, its cone tooth with variable-speed shaft (7) end meshes; The other end arranges the cone tooth, farming umbrella gear (14) engagement on itself and farming six square shafts (15).
4. gearbox according to claim 1 is characterized in that: be fixed with on described shift fork (9) one with described variable-speed shaft (7) parallel axes to the declutch shift shaft that arranges, have several gears holes on this declutch shift shaft.
5. gearbox according to claim 1, it is characterized in that: described transmission system also includes a reverse shaft (6), and this reverse shaft (6) meshes by its upper reverse gear (5) and a gear transmission on input shaft (1).
6. according to claim 1-5 arbitrary described gearboxes is characterized in that: described frame comprise the main casing (20) that installs transmission system, this main casing (20) top horizontal cover plate (30), and the end cap (40) of each shaft end of transmission system is installed or/and bearing support (50).
7. gearbox according to claim 6, is characterized in that: described main casing (20) integrally casting moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220668442 CN202971765U (en) | 2012-12-07 | 2012-12-07 | Speed changing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220668442 CN202971765U (en) | 2012-12-07 | 2012-12-07 | Speed changing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971765U true CN202971765U (en) | 2013-06-05 |
Family
ID=48512842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220668442 Expired - Fee Related CN202971765U (en) | 2012-12-07 | 2012-12-07 | Speed changing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971765U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453086A (en) * | 2013-09-10 | 2013-12-18 | 安吉县迎客松花木场 | Gearbox and power transmission mechanism with same |
| CN105123098A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Combine harvester roller transmission device |
| CN105782429A (en) * | 2016-05-16 | 2016-07-20 | 中联重机股份有限公司 | Hydraulic power assembly |
| CN109688790A (en) * | 2016-09-08 | 2019-04-26 | 安纳托里马达制造销售公司 | A kind of hoe machine |
-
2012
- 2012-12-07 CN CN 201220668442 patent/CN202971765U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453086A (en) * | 2013-09-10 | 2013-12-18 | 安吉县迎客松花木场 | Gearbox and power transmission mechanism with same |
| CN105123098A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Combine harvester roller transmission device |
| CN105123098B (en) * | 2015-09-22 | 2017-12-12 | 雷沃重工股份有限公司 | Cylinder of combine harvester transmission device |
| CN105782429A (en) * | 2016-05-16 | 2016-07-20 | 中联重机股份有限公司 | Hydraulic power assembly |
| CN109688790A (en) * | 2016-09-08 | 2019-04-26 | 安纳托里马达制造销售公司 | A kind of hoe machine |
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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: 20130605 Termination date: 20141207 |
|
| EXPY | Termination of patent right or utility model |