CN204553771U - The horizontal gearbox of a kind of miniature farm machinery - Google Patents
The horizontal gearbox of a kind of miniature farm machinery Download PDFInfo
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- CN204553771U CN204553771U CN201520062787.4U CN201520062787U CN204553771U CN 204553771 U CN204553771 U CN 204553771U CN 201520062787 U CN201520062787 U CN 201520062787U CN 204553771 U CN204553771 U CN 204553771U
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Abstract
The utility model discloses the horizontal gearbox of a kind of miniature farm machinery, comprise casing, power input shaft and pto＝power take-off is rotatably connected in described casing, described power input shaft is connected by three transmission shaft drivens with between pto＝power take-off, and the line of medial axis on same cross section of described three transmission shafts is triangular in shape.The utility model adopts technique scheme can realize singly driving and 4 wheel driven function compared with conventional gearbox on same gearbox; The small agricultural machinery such as threshing machine, road roller can be widely used in, have and singly drive function, there is 4 wheel driven function simultaneously, can select according to actual conditions, greatly reduce oil consumption, enhance productivity; This gearbox can be selected partially to hang and direct screening two kinds of forms, is easier to layout and the installation of gearbox, more convenient operation; This gearbox designs is simple, and the function of realization is many, and assembly technology is simple, reliably reasonable in design, practical durable.
Description
Technical field
The utility model relates to a kind of gearbox, relates to the horizontal gearbox of a kind of miniature farm machinery specifically.
Background technique
Existing miniature farm machinery gearbox is generally and singly drives gearbox or 4 wheel driven gearbox, and clutch is directly installed on the input shaft of gearbox, and the engagement cogged by lever change axle, realizes the change of gear.But existing gearbox only can realize singly driving or 4 wheel driven function, simultaneously clutch is directly installed on the input shaft of gearbox, and position is fixed, and when being unfavorable for entire vehicle design, gearbox is arranged.Can only be changed by the length changing input shaft when clutch position if desired changes, if when input shaft length is oversize, its fabricating cost is higher, and rate of fault is high.In addition existing gearbox mostly adopt in hanging hang structure, engage a gear is inconvenient, and is unfavorable for that gearbox is installed on car load.
Patent publication No. is that the utility model patent of CN201059342Y discloses a kind of name and is called 4 wheel driven loading machine gearbox, adopt five shaft drive modes, comprise input shaft, an axle, two axles, three axles, output shaft, achieve the selection of each three forward gears of high low speed and a reverse gear, but its gears meshing is complicated, and can not realize singly driving and 4 wheel driven function simultaneously.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of compact structure, and oil consumption is low, before having six
Enter gear and a reverse gear, have simultaneously and singly drive and 4 wheel driven function, be convenient to the horizontal gearbox of miniature farm machinery installed and keep in repair.
For solving the problem, the utility model is by the following technical solutions: the horizontal gearbox of a kind of miniature farm machinery, comprise casing, power input shaft and pto＝power take-off is rotatably connected in described casing, described power input shaft is connected by three transmission shaft drivens with between pto＝power take-off, and the line of medial axis on same cross section of described three transmission shafts is triangular in shape.
Below further improvement of the utility model:
Described three transmission shafts are the first transmission shaft, second driving shaft and the 3rd transmission shaft, and described first transmission shaft and the 3rd transmission shaft are positioned in same level, and described second driving shaft is positioned at the below of the first transmission shaft and the 3rd transmission shaft.
Further improvement:
Described power input shaft is fixedly connected with driving gear, described first transmission shaft is fixedly connected with the first driving gear and the second driving gear, described first driving gear often engages with driving gear.
Further improvement:
Described second driving shaft is connected with the first slippage duplicate gear, the 3rd driving gear, the 4th driving gear, the 5th driving gear in turn, described first slippage duplicate gear is arranged on the position near the first driving gear.
Further improvement:
Described 3rd transmission shaft is connected with the 6th driving gear, reverse gear, the second slippage duplicate gear in turn, described 6th driving gear is arranged on the position near the first slippage duplicate gear.
Further improvement:
Described pto＝power take-off is connected with power output gear, and described power output gear often engages with the 6th driving gear.
Further improvement:
The second driving gear on described first transmission shaft can engage with the reverse gear on the gearwheel of the first slippage duplicate gear on second driving shaft and the 3rd transmission shaft;
The first driving gear on first transmission shaft can engage with the small gear of the first slippage duplicate gear on second driving shaft, and the 5th driving gear on second driving shaft, the 3rd driving gear, the 4th driving gear can engage with the small gear of the gearwheel of the second slippage duplicate gear on the 3rd transmission shaft, reverse gear, the second slippage duplicate gear respectively.
Further improvement:
Described pto＝power take-off comprises the first pto＝power take-off and the second pto＝power take-off, described first pto＝power take-off and the second pto＝power take-off are coaxially arranged, described power output gear is fixed on the second pto＝power take-off, zygote is provided with, by changing zygote can to realize the first pto＝power take-off and the second pto＝power take-off combination in the first pto＝power take-off and the position on the second pto＝power take-off and being separated between described first pto＝power take-off and the second pto＝power take-off.
Further improvement:
Described power input shaft is connected with input transmission device by coupling shaft; Described input transmission device comprises line shaft, and wherein one end of described line shaft is connected with land, and the other end of line shaft is connected with clutch, and described land is in transmission connection by coupling shaft and power input shaft, and clutch is connected with driving engine.
Further improvement:
Described casing is provided with for changing gear and driving mode gearshift, described gearshift comprises the first slide bar be arranged in casing, the second slide bar, the 3rd slide bar, the 4th slide bar, and on described first slide bar, the second slide bar, the 3rd slide bar, the 4th slide bar, correspondence is provided with the first shift fork, the second shift fork, the 3rd shift fork, the 4th shift fork;
Described first shift fork is arranged on the position near the first slippage duplicate gear, for changing the position of the first slippage duplicate gear;
Second shift fork is arranged on the position near the second slippage duplicate gear, for changing the position of the second slippage duplicate gear;
3rd shift fork is arranged on the position near reverse gear, for changing the position of reverse gear; 4th shift fork is arranged on the position near zygote, for changing the position of zygote;
The outside of described casing is provided with the first lever, and the first lever is connected with the second shift fork and the 3rd shift fork respectively, and the outside of described casing is also provided with rocking arm, and described rocking arm is connected with the first shift fork, and the outside of described casing is also provided with the second lever.
The utility model adopts technique scheme can realize singly driving and 4 wheel driven function compared with conventional gearbox on same gearbox; The small agricultural machinery such as threshing machine, road roller can be widely used in, have and singly drive function, there is 4 wheel driven function simultaneously, can select according to actual conditions, greatly reduce oil consumption, enhance productivity; This gearbox can be selected partially to hang and direct screening two kinds of forms, is easier to layout and the installation of gearbox, more convenient operation; This gearbox designs is simple, and the function of realization is many, and assembly technology is simple, reliably reasonable in design, practical durable.And the length by changing coupling shaft obtains mounting point and the direction of the clutch needed, better can mate with motor, when entire vehicle design, the regioselectivity of motor is more, is easier to entire vehicle design and after sales service.
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment;
Accompanying drawing 2 is the internal structure schematic diagram of the utility model embodiment;
Accompanying drawing 3 is the connection intention of pto＝power take-off when realizing singly driving function;
The connection intention of pto＝power take-off when accompanying drawing 4 is for realizing 4 wheel driven function;
Accompanying drawing 5 is the structural representation inputting transmission device in accompanying drawing 2;
Accompanying drawing 6 is the structural representation of gearbox of the present utility model when adopting inclined extension mode;
Accompanying drawing 7 is the plan view of accompanying drawing 6.
In figure: 1-driving gear; 2-first driving gear; 3-second driving gear; 4-first slippage duplicate gear; 5-the 3rd driving gear; 6-the 4th driving gear; 7-the 5th driving gear; 8-the 6th driving gear; 9-reverse gear; 10-second slippage duplicate gear; 11-power output gear; 12-casing; 13-rocking arm; 14-first lever; 15-second lever; 16-first slide bar; 17-second slide bar; 18-the 3rd slide bar; 19-the 4th slide bar; 20-the 4th shift fork; 21-first shift fork; 22-second shift fork; 23-the 3rd shift fork; 25-coupling shaft; 26-inputs transmission device; A-zygote; B-clutch; C-line shaft; D-land; I-power input shaft; II-the first transmission shaft; III-second driving shaft; IV-three transmission shaft; V-pto＝power take-off; V1-first pto＝power take-off; V2-second pto＝power take-off.
Embodiment
Embodiment, as shown in Figure 1, the horizontal gearbox of a kind of miniature farm machinery, comprise casing 12, power input shaft I and pto＝power take-off V is rotatably connected in described casing 12, position in described casing 12 between power input shaft I and pto＝power take-off V is provided with three transmission shafts, and connected by gear transmission between described power input shaft I, transmission shaft and pto＝power take-off V, the line of medial axis on same cross section of three transmission shafts is triangular in shape.
Described three transmission shafts are the first transmission shaft II, second driving shaft III and the 3rd transmission shaft IV, and described first transmission shaft II and the 3rd transmission shaft IV are positioned in same level, and described second driving shaft III is positioned at the below of the first transmission shaft II and the 3rd transmission shaft IV.
As shown in Figure 2, described power input shaft I is fixedly connected with driving gear 1, described first transmission shaft II is fixedly connected with the first driving gear 2 and the second driving gear 3, described first driving gear 2 often engages with driving gear 1.
Described second driving shaft III is connected with the first slippage duplicate gear 4, the 3rd driving gear 5, the 4th driving gear 6, the 5th driving gear 7 in turn, described first slippage duplicate gear 4 is arranged on the position near the first driving gear 2.
Described 3rd transmission shaft IV is connected with the 6th driving gear 8, reverse gear 9, second slippage duplicate gear 10 in turn, described 6th driving gear 8 is arranged on the position near the first slippage duplicate gear 4.
Described pto＝power take-off V is connected with power output gear 11, and described power output gear 11 often engages with the 6th driving gear 8.
The second driving gear 3 on described first transmission shaft II can engage with the reverse gear 9 on the gearwheel of the first slippage duplicate gear 4 on second driving shaft III and the 3rd transmission shaft IV; The first driving gear 2 on first transmission shaft II can engage with the small gear of the first slippage duplicate gear 4 on second driving shaft III, on second driving shaft, the 5th driving gear 7, the 3rd driving gear 5, the 4th driving gear 6 of III can engages with the small gear of the gearwheel of the second slippage duplicate gear 10 on the 3rd transmission shaft IV, reverse gear 9, second slippage duplicate gear 10 respectively, realize the gear selection of six forward gears reverse gear.
As shown in Figure 3, Figure 4, described pto＝power take-off V comprises the first pto＝power take-off V1 and the second pto＝power take-off V2, described first pto＝power take-off V1 and the second pto＝power take-off V2 is coaxially arranged, described power output gear 11 is fixed on the second pto＝power take-off V2, zygote a is provided with, by changing zygote a can to realize the first pto＝power take-off V1 and the second pto＝power take-off V2 combination in the first pto＝power take-off V1 and the position on the second pto＝power take-off V2 and being separated between described first pto＝power take-off V1 and the second pto＝power take-off V2.
First pto＝power take-off V1 and the second pto＝power take-off V2 in conjunction with time be in transmission connection, power can pass to the first pto＝power take-off V1 by the second pto＝power take-off V2, the second pto＝power take-off V2 and all exportable power of the first pto＝power take-off V1; Without drive connection when first pto＝power take-off V1 is separated with the second pto＝power take-off V2, power is only exported by the second pto＝power take-off V2.When car load gearbox is installed, the second pto＝power take-off V2 is connected with propons, and the first pto＝power take-off V1 is connected with back axle.
As shown in Figure 2, described power input shaft I is connected with input transmission device 26 by coupling shaft 25.
As shown in Figure 5, described input transmission device 26 comprises line shaft c, wherein one end of described line shaft c is connected with land d, the other end of line shaft c is connected with clutch b, described land d is in transmission connection by coupling shaft 25 and power input shaft I, and clutch b is connected with driving engine, can be changed the position of clutch b by the length changing coupling shaft 25, the layout being easier to gearbox is installed, and is easy to design and the assembling of car load.
As shown in Figure 1, described casing 12 is provided with for changing gear and driving mode gearshift, described gearshift comprises the first slide bar 16, second slide bar 17, the 3rd slide bar 18, the 4th slide bar 19 that are arranged in casing 12, and on described first slide bar 16, second slide bar 17, the 3rd slide bar 18, the 4th slide bar 19, correspondence is provided with the first shift fork 21, second shift fork 22, the 3rd shift fork 23, the 4th shift fork 20.
Described first shift fork 21 is arranged on the position near the first slippage duplicate gear 4, for changing the position of the first slippage duplicate gear 4; Second shift fork 22 is arranged on the position near the second slippage duplicate gear 10, for changing the position of the second slippage duplicate gear 10; 3rd shift fork 23 is arranged on the position near reverse gear 9, for changing the position of reverse gear 9; 4th shift fork 20 is arranged on the position near zygote a, for changing the position of zygote a.
The outside of described casing 12 is provided with the first lever 14, first lever 14 is connected with the second shift fork 22 and the 3rd shift fork 23 respectively, the outside of described casing 12 is also provided with rocking arm 13, and described rocking arm 13 is connected with the first shift fork 21, and the outside of described casing 12 is also provided with the second lever 15.
During direct screening engage a gear mode, the second shift fork 22 and the 3rd shift fork 23 can be operated by the first lever 14, the first shift fork 21 can be operated by rocking arm 13, operate the 4th shift fork 20 by the second lever 15.
Regulated the first shift fork 21 on the first slide bar 16 be arranged in casing 12 by operation rocking arm 13, change the position of the first slippage duplicate gear 4; Regulate the second shift fork 22 on the second slide bar 17 of being arranged in casing 12 by operating the first lever 14 and be arranged on the 3rd shift fork 23 on the 3rd slide bar 18 in gear box 12, change the position of the second slippage duplicate gear 10 and reverse gear 9, thus change output speed and the torque of pto＝power take-off V, realize gearshift.
Regulated the 4th shift fork 20 being arranged on the 4th slide bar 19 in casing 12 by the second lever 15, change the position of the zygote a on pto＝power take-off V and then realize changing between 4 wheel driven singly driving.
Be the structural representation of gearbox during inclined extension mode as shown in Figure 6, Figure 7, operate the first shift fork 21, second shift fork 22 on the first slide bar 16, second slide bar 17 with pull bar, compared with direct screening mode, eliminate the first lever 14, reduce cost; Operate the 3rd shift fork 23 by rocking arm 13, use the second lever 15 to operate the 4th shift fork 20.This engage a gear mode is easier to layout and the installation of gearbox.
6 forward gears of the utility model gearbox and the gears meshing mode of 1 reverse gear as follows:
One grade: the driving gear 1 on power input shaft I engages with the first driving gear 2 on the first transmission shaft II, the second driving gear 3 on first transmission shaft II engages with the gearwheel of the first slippage duplicate gear 4 on second driving shaft III, the 5th driving gear 7 on second driving shaft III engages with the gearwheel of the second slippage duplicate gear 10 on the 3rd transmission shaft IV, and the 6th driving gear 8 on the 3rd transmission shaft IV engages with the power output gear 11 on pto＝power take-off V;
Second gear: the driving gear 1 on power input shaft I engages with the first driving gear 2 on the first transmission shaft II, the second driving gear 3 on first transmission shaft II engages with the gearwheel of the first slippage duplicate gear 4 on second driving shaft III, the 3rd driving gear 5 on second driving shaft III engages with the sliding reverse gear 9 on the 3rd transmission shaft IV, and the 6th driving gear 8 on the 3rd transmission shaft IV engages with the power output gear 11 on pto＝power take-off V;
Third gear: the driving gear 1 on power input shaft I engages with the first driving gear 2 on the first transmission shaft II, the first driving gear 2 on first transmission shaft II engages with the small gear of the first slippage duplicate gear 4 on second driving shaft III, the 5th driving gear 7 on second driving shaft III engages with the gearwheel of the second slippage duplicate gear 10 on the 3rd transmission shaft IV, and the 6th driving gear 8 on the 3rd transmission shaft IV engages with the power output gear 11 on pto＝power take-off V;
Fourth gear: the driving gear 1 on power input shaft I engages with the first driving gear 2 on the first transmission shaft II, the second driving gear 3 on first transmission shaft II engages with the gearwheel of the first slippage duplicate gear 4 on second driving shaft III, the 4th driving gear 6 on second driving shaft III engages with the small gear of the second slippage duplicate gear 10 on the 3rd transmission shaft IV, and the 6th driving gear 8 on the 3rd transmission shaft IV engages with the power output gear 11 on pto＝power take-off V;
Five grades: the driving gear 1 on power input shaft I engages with the first driving gear 2 on the first transmission shaft II, the first driving gear 2 on first transmission shaft II engages with the small gear of the first slippage duplicate gear 4 on second driving shaft III, the 3rd driving gear 5 on second driving shaft III engages with the reverse gear 9 on the 3rd transmission shaft IV, and the 6th driving gear 8 on the 3rd transmission shaft IV engages with the power output gear 11 on pto＝power take-off V;
Six grades: the driving gear 1 on power input shaft I engages with the first driving gear 2 on the first transmission shaft II, the first driving gear 2 on first transmission shaft II engages with the small gear of the first slippage duplicate gear 4 on second driving shaft III, the 4th driving gear 6 on second driving shaft III engages with the small gear of the second slippage duplicate gear 10 on the 3rd transmission shaft IV, and the 6th driving gear 8 on the 3rd transmission shaft IV engages with the power output gear 11 on pto＝power take-off V;
Reverse gear: the driving gear 1 on power input shaft I engages with the first driving gear 2 on the first transmission shaft II, the second driving gear 3 on first transmission shaft II engages with the reverse gear 9 on the 3rd transmission shaft IV, and the 6th driving gear 8 on the 3rd transmission shaft IV engages with the power output gear 11 on pto＝power take-off V.
Gearbox of the present utility model; can be applicable to the small agricultural machinery such as threshing machine, road roller; the position of the second slippage duplicate gear 10 and reverse gear 9 is changed by the first lever 14; by the position of operation pull bar first slippage duplicate gear 4, thus the gear achieving six forward gears and a reverse gear is arranged.Regulating zygote a on pto＝power take-off V by operating the second lever 15, having at same gearbox and singly driving function, there is 4 wheel driven function simultaneously, driving mode can be selected according to actual conditions, greatly reduce oil consumption, structure is simpler, function is better, and cost is lower.And direct screening, partially extension two kinds of engage a gear modes can be selected.Second pto＝power take-off V2 is connected with propons, first pto＝power take-off V1 is connected with back axle, the land of power input shaft I is connected by coupling shaft 24 with input transmission device 26, the clutch b of input transmission device 26 is connected with motor, is changed position or the direction of input transmission device 26 by the length changing coupling shaft 24.Be easier to the layout of gearbox, installation and maintenance, convenient operation.
Claims (9)
1. the horizontal gearbox of miniature farm machinery, comprise casing (12), power input shaft (I) and pto＝power take-off (V) is rotatably connected in described casing (12), it is characterized in that: be connected by three transmission shaft drivens between described power input shaft (I) with pto＝power take-off (V), the line of medial axis on same cross section of described three transmission shafts is triangular in shape.
2. the horizontal gearbox of a kind of miniature farm machinery according to claim 1, it is characterized in that: described three transmission shafts are the first transmission shaft (II), second driving shaft (III) and the 3rd transmission shaft (IV), described first transmission shaft (II) and the 3rd transmission shaft (IV) are positioned in same level, and described second driving shaft (III) is positioned at the below of the first transmission shaft (II) and the 3rd transmission shaft (IV).
3. the horizontal gearbox of a kind of miniature farm machinery according to claim 2, it is characterized in that: described power input shaft (I) is fixedly connected with driving gear (1), described first transmission shaft (II) is fixedly connected with the first driving gear (2) and the second driving gear (3), described first driving gear (2) is often engaged with driving gear (1).
4. the horizontal gearbox of a kind of miniature farm machinery according to claim 3, it is characterized in that: described second driving shaft (III) is connected with the first slippage duplicate gear (4), the 3rd driving gear (5), the 4th driving gear (6), the 5th driving gear (7) in turn, described first slippage duplicate gear (4) is arranged on the position near the first driving gear (2).
5. the horizontal gearbox of a kind of miniature farm machinery according to claim 4, it is characterized in that: described 3rd transmission shaft (IV) is connected with the 6th driving gear (8), reverse gear (9), the second slippage duplicate gear (10) in turn, described 6th driving gear (8) is arranged on the position near the first slippage duplicate gear (4).
6. the horizontal gearbox of a kind of miniature farm machinery according to claim 5, is characterized in that: described pto＝power take-off (V) is connected with power output gear (11), described power output gear (11) often engages with the 6th driving gear (8).
7. the horizontal gearbox of a kind of miniature farm machinery according to claim 6, is characterized in that: the second driving gear (3) on described first transmission shaft (II) can engage with the reverse gear (9) on the gearwheel of the first slippage duplicate gear (4) on second driving shaft (III) and the 3rd transmission shaft (IV);
The first driving gear (2) on first transmission shaft (II) can engage with the small gear of the first slippage duplicate gear (4) on second driving shaft (III), and on second driving shaft, the 5th driving gear (7) of (III), the 3rd driving gear (5), the 4th driving gear (6) can engage with the small gear of the gearwheel of the second slippage duplicate gear (10) on the 3rd transmission shaft (IV), reverse gear (9), the second slippage duplicate gear (10) respectively.
8. the horizontal gearbox of a kind of miniature farm machinery according to claim 1-7 any one, it is characterized in that: described pto＝power take-off (V) comprises the first pto＝power take-off (V1) and the second pto＝power take-off (V2), described first pto＝power take-off (V1) and the second pto＝power take-off (V2) are coaxially arranged, described power output gear (11) is fixed on the second pto＝power take-off (V2), zygote (a) is provided with between described first pto＝power take-off (V1) and the second pto＝power take-off (V2), by changing zygote (a) can to realize the first pto＝power take-off (V1) and the second pto＝power take-off (V2) combination in the first pto＝power take-off (V1) and the position on the second pto＝power take-off (V2) and being separated.
9. the horizontal gearbox of a kind of miniature farm machinery according to claim 1-7 any one, is characterized in that: described power input shaft (I) is connected with input transmission device (26) by coupling shaft (25);
Described input transmission device (26) comprises line shaft (c), wherein one end of described line shaft (c) is connected with land (d), the other end of line shaft (c) is connected with clutch (b), described land (d) is in transmission connection by coupling shaft (25) and power input shaft (I), and clutch (b) is connected with driving engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062787.4U CN204553771U (en) | 2015-01-29 | 2015-01-29 | The horizontal gearbox of a kind of miniature farm machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062787.4U CN204553771U (en) | 2015-01-29 | 2015-01-29 | The horizontal gearbox of a kind of miniature farm machinery |
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| Publication Number | Publication Date |
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| CN204553771U true CN204553771U (en) | 2015-08-12 |
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| CN201520062787.4U Active CN204553771U (en) | 2015-01-29 | 2015-01-29 | The horizontal gearbox of a kind of miniature farm machinery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644324A (en) * | 2018-07-20 | 2018-10-12 | 重庆嘉木机械有限公司 | The gearbox of multifunctional agriculture supervisor |
| CN108644324B (en) * | 2018-07-20 | 2024-06-04 | 重庆嘉木机械有限公司 | Gearbox of multifunctional agricultural management machine |
-
2015
- 2015-01-29 CN CN201520062787.4U patent/CN204553771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644324A (en) * | 2018-07-20 | 2018-10-12 | 重庆嘉木机械有限公司 | The gearbox of multifunctional agriculture supervisor |
| CN108644324B (en) * | 2018-07-20 | 2024-06-04 | 重庆嘉木机械有限公司 | Gearbox of multifunctional agricultural management machine |
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