CN105052257A - Transmission system of portable mini tiller - Google Patents
Transmission system of portable mini tiller Download PDFInfo
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- CN105052257A CN105052257A CN201510419490.3A CN201510419490A CN105052257A CN 105052257 A CN105052257 A CN 105052257A CN 201510419490 A CN201510419490 A CN 201510419490A CN 105052257 A CN105052257 A CN 105052257A
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- driving wheel
- main transmission
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- engine
- worm
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Abstract
The invention discloses a transmission system of a portable mini tiller. An output shaft of an engine (1) stretches into a main transmission case (5) and is connected with a driving wheel shaft (5a); the lower end of the driving wheel shaft (5a) stretches downwards out of the bottom surface of the main transmission case (5); end surface teeth are uniformly distributed at the periphery of the lower end of the driving wheel shaft (5a) in an integrated manner; a high-speed driving wheel (5b) and a low-speed driving wheel (5c) are arranged on the driving wheel shaft (5a); a high-speed driven wheel (5d) and a low-speed driven wheel (5e) are respectively arranged on a driven wheel shaft (5f); the lower end of the driven wheel (5f) is connected with the input end of a worm-gear transmission case (6); the worm-gear transmission case (6) is positioned under the rear end of the main transmission case(5); tilling blades (7) or walling wheels are mounted on the output shaft of the worm-gear transmission case (6). The portable transmission system disclosed by the invention has a high-speed gear and a low-speed gear, and adopts a belt to perform transmission, so that the transmission is stable and reliable; therefore, the portable transmission system is wide in application range.
Description
Technical field
The invention belongs to technical field of agricultural machinery, specifically, the transmission mechanism particularly on mini-size tillage machine.
Background technology
Mini-size tillage machine with small diesel engine or gasoline engine for power, the features such as have lightweight, volume is little, and structure is simple.Mini-size tillage machine is widely used in the nonirrigated farmland, paddy field, orchard etc. on Plain, mountain area, hills.Mix corresponding facility can carry out drawing water, generate electricity, spray the operation such as medicine, spray, also can draw towed vehicle and carry out short-distance transport, mini-size tillage machine freely can be exercised in field, user-friendly and deposit, eliminating the worry that large-scale farm machinery cannot enter mountain area field, is that vast farmers friend substitutes the cultivated optimal selection of ox.
At present, on mini-size tillage machine, each functional part is all arranged around frame, and the transmission of mini-size tillage machine adopts all gear mechanism, not only complex structure, and required precision is high, assembling difficulty, and production cost is high, and machine volume is comparatively large, is unfavorable for developing to miniaturization.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of structure simple light-type micro-farming machine transmission system.
Technical scheme of the present invention is as follows: a kind of light-type micro-farming machine transmission system, comprise engine (1), it is characterized in that: in the front end at main transmission box (5) top, engine (1) is installed, this engine (1) is output shaft vertically shafted engine straight down, the output shaft of engine (1) stretches in main transmission box (5), and be connected with drive sprocket axle (5a), the lower end of drive sprocket axle (5a) stretches out the bottom surface of main transmission box (5) downwards, and the lower end of drive sprocket axle (5a) is formed with circumferentially equally distributed end-tooth, drive sprocket axle (5a) arranges high speed driving wheel (5b) and low speed driving wheel (5c), described high speed driving wheel (5b) can be connected with high speed driven pulley (5d) by belt, low speed driving wheel (5c) can be connected with low speed driven pulley (5e) by belt, described high speed driven pulley (5d) and low speed driven pulley (5e) are all arranged on follower shaft (5f), the lower end of follower shaft (5f) is connected with the input of worm box (6), described worm box (6) is positioned at the below of main transmission box (5) rear end, the output shaft of worm box (6) is installed and ploughs cutter (7) or road wheel.
Present invention eliminates the frame in traditional structure, engine, worm box, arm assembly etc. are arranged around main transmission box, engine and arm assembly are arranged in the rear and front end at main transmission box top, front-wheel and worm box are arranged in the rear and front end below main transmission box, complete machine structure is simple, compact, and volume can significantly reduce; Meanwhile, parts are few, and be easy to assembling, production efficiency is high, effectively can reduce production cost.
Engine employing vertically shafted engine, has in main transmission box at a high speed and low speed two overlaps belt gear, and when high-speed belt transmission mechanism operates, the belt of low speed belt gear unclamps; Otherwise during the running of low speed belt gear, the belt of high-speed belt transmission mechanism unclamps.The power of engine passes to worm box by the belt gear in main transmission box, and driven by worm box and plough cutter running, drive path is short, and stable drive.The present invention has at a high speed and low speed two gears, can meet the needs of the different using area of mini-size tillage machine; Compared to traditional two gear formula all gear driving gearboxes, structure of the present invention is simpler, cost is lower.
The lower end of drive sprocket axle is formed with circumferentially equally distributed end-tooth, unclamp the belt of high, low speed belt gear like this, scissors module is arranged on the front lower place of main transmission box, the end-tooth of scissors module power intake is combined with the end-tooth of drive sprocket axle lower end, can by the transmission of power of engine to scissors module, make mini-size tillage machine convert grass mower to, conversion operations is simple, convenient, fast.
For the ease of contraposition during assembling, make to be connected firmly between main transmission box and worm box, reliably, upwards cave in the bottom surface of described main transmission box (5) rear end, form locating slot, the upper end of worm box (6) is stretched in this locating slot, between worm box (6) with main transmission box (5) by many circumferentially equally distributed bolt be fixedly connected with.
Beneficial effect: parts of the present invention are few, structure is simple, compact, and volume is little, and cost is low, is easy to assembling; The present invention has at a high speed and low speed two gears, adopts belt to carry out transmission, stable drive, reliably, applied widely, by transmission of power to scissors module, can realize dual-use easily by the end-tooth of drive sprocket axle lower end.
Accompanying drawing explanation
Fig. 1 is the structural representation of mini-size tillage machine.
Fig. 2 is transmission schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1 and Figure 2, in the front end at main transmission box 5 top, engine 1 is installed, this engine 1 is output shaft vertically shafted engine straight down, the output shaft of engine 1 stretches in main transmission box 5, and be connected with drive sprocket axle 5a, the lower end of drive sprocket axle 5a stretches out the bottom surface of main transmission box 5 downwards, and the lower end of drive sprocket axle 5a is formed with circumferentially equally distributed end-tooth.Drive sprocket axle 5a is formed with high speed driving wheel 5b and low speed driving wheel 5c, and high speed driving wheel 5b is positioned at the top of low speed driving wheel 5c.High speed driving wheel 5b can be connected with high speed driven pulley 5d by belt, and low speed driving wheel 5c can be connected with low speed driven pulley 5e by belt.High speed driven pulley 5d and low speed driven pulley 5e is all arranged on follower shaft 5f, and the lower end of follower shaft 5f is connected with the input of worm box 6.When high speed driving wheel 5b is connected with high speed driven pulley 5d by belt, the belt between low speed driving wheel 5c and low speed driven pulley 5e unclamps; Otherwise when low speed driving wheel 5c is connected with low speed driven pulley 5e by belt, the belt between high speed driving wheel 5b and high speed driven pulley 5d unclamps.
As shown in Figure 1, worm box 6 is positioned at the below of main transmission box 5 rear end, upwards cave in the bottom surface of main transmission box 5 rear end, form locating slot, the upper end of worm box 6 is stretched in this locating slot, between worm box 6 with main transmission box 5 by many circumferentially equally distributed bolt be fixedly connected with.The output shaft of worm box 6 is installed and ploughs cutter 7 or road wheel.In the rear end at main transmission box 5 top, arm assembly 2 is set, the bottom of arm assembly 2 front end has installing plate 2a, and the two ends, left and right of this installing plate 2a bend all downwards, forms side plate, side plate is fitted in the side of main transmission box 5, is fixed between the two by two, front and back bolt.Arrange resistance rod 4 at the rear of worm box 6, this resistance rod 4 is installed on the rear end of resistance frame 3, and the front end of resistance frame 3 is connected with worm box 6.
As shown in Figure 1, arrange locating rack 10 in the front of worm box 6, this locating rack 10 is shaping by steel plate punched, and be made up of top board and the side plate be symmetrical set, upper end and the top board of side plate are fixedly linked.The top board of locating rack 10 and the bottom of main transmission box 5 front end are fixed, and the side plate of locating rack 10 all has two bayonet sockets, a bayonet socket is positioned at the bottom of side plate front end, and another bayonet socket is positioned at the middle part of side plate front end.Inclined tube 9 is low early and high after to be obliquely installed, and the upper end of this inclined tube 9 between two pieces of side plates of locating rack 10, and is connected with side plate by bolt, for position, the hole strip hole that bolt passes on inclined tube 9.Inclined tube 9 radially wears and is fixed with lateral pin 11, inclined tube 9 is all stretched out at the two ends of lateral pin 11, and the two ends of lateral pin 11 and two pieces of side plate one_to_one corresponding.The end of lateral pin 11 snaps in one of them bayonet socket on corresponding side plate, installs front-wheel 8 in the below of inclined tube 9.
Operation principle of the present invention is as follows:
1) when uncultivated land is advanced: what now worm box 6 output shaft two ends were installed is road wheel, the end of lateral pin 11 snaps in the bayonet socket of side plate front bottom end, front-wheel 8 is in down state, front-wheel 8 and two road wheels form supported at three point, can guarantee that complete machine keeps balance, operator holds the thrust that handrail only need apply forward.
2) when ploughing: change the road wheel on worm box 6 output shaft into cultivated cutter 7, unclamp the set bolt of inclined tube 9 upper end simultaneously, the end of lateral pin 11 is made to snap in the bayonet socket of side plate front center, front-wheel 8 is in liftoff collapsed state, now the power of engine 1 passes to worm box 6 by main transmission box 5, drives cultivated cutter 7 to operate by worm box 6.
3) grass mower is converted to: unclamped by the belt in main transmission box 5, and scissors module (not shown in FIG.) is arranged on the front lower place of main transmission box 5, the end-tooth of scissors module power intake is combined with the end-tooth of drive sprocket axle lower end, by the transmission of power of engine to scissors module, mini-size tillage machine can be made to convert grass mower to and to use.Now, what worm box 6 output shaft is installed is road wheel.
Claims (2)
1. a light-type micro-farming machine transmission system, comprise engine (1), it is characterized in that: in the front end at main transmission box (5) top, engine (1) is installed, this engine (1) is output shaft vertically shafted engine straight down, the output shaft of engine (1) stretches in main transmission box (5), and be connected with drive sprocket axle (5a), the lower end of drive sprocket axle (5a) stretches out the bottom surface of main transmission box (5) downwards, and the lower end of drive sprocket axle (5a) is formed with circumferentially equally distributed end-tooth, drive sprocket axle (5a) arranges high speed driving wheel (5b) and low speed driving wheel (5c), described high speed driving wheel (5b) can be connected with high speed driven pulley (5d) by belt, low speed driving wheel (5c) can be connected with low speed driven pulley (5e) by belt, described high speed driven pulley (5d) and low speed driven pulley (5e) are all arranged on follower shaft (5f), the lower end of follower shaft (5f) is connected with the input of worm box (6), described worm box (6) is positioned at the below of main transmission box (5) rear end, the output shaft of worm box (6) is installed and ploughs cutter (7) or road wheel.
2. light-type micro-farming machine transmission system according to claim 1, it is characterized in that: upwards cave in the bottom surface of described main transmission box (5) rear end, form locating slot, the upper end of worm box (6) is stretched in this locating slot, between worm box (6) with main transmission box (5) by many circumferentially equally distributed bolt be fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419490.3A CN105052257A (en) | 2015-07-17 | 2015-07-17 | Transmission system of portable mini tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419490.3A CN105052257A (en) | 2015-07-17 | 2015-07-17 | Transmission system of portable mini tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105052257A true CN105052257A (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510419490.3A Pending CN105052257A (en) | 2015-07-17 | 2015-07-17 | Transmission system of portable mini tiller |
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| CN (1) | CN105052257A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036045A (en) * | 2017-12-15 | 2018-05-15 | 陈小龙 | A kind of integrated form main transmission babinet |
| CN108029251A (en) * | 2017-12-15 | 2018-05-15 | 陈小龙 | Mini-tiller main transmission babinet assembly |
| CN108156848A (en) * | 2017-12-15 | 2018-06-15 | 陈小龙 | Shield type miniature ploughing machine main transmission box body |
| CN108180279A (en) * | 2017-12-15 | 2018-06-19 | 陈小龙 | A kind of multifunctional small tiller main transmission body structure |
| CN108204443A (en) * | 2017-12-15 | 2018-06-26 | 陈小龙 | A kind of main transmission body structure |
| CN108240457A (en) * | 2017-12-15 | 2018-07-03 | 陈小龙 | A kind of boxlike mini-tiller main transmission babinet |
-
2015
- 2015-07-17 CN CN201510419490.3A patent/CN105052257A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036045A (en) * | 2017-12-15 | 2018-05-15 | 陈小龙 | A kind of integrated form main transmission babinet |
| CN108029251A (en) * | 2017-12-15 | 2018-05-15 | 陈小龙 | Mini-tiller main transmission babinet assembly |
| CN108156848A (en) * | 2017-12-15 | 2018-06-15 | 陈小龙 | Shield type miniature ploughing machine main transmission box body |
| CN108180279A (en) * | 2017-12-15 | 2018-06-19 | 陈小龙 | A kind of multifunctional small tiller main transmission body structure |
| CN108204443A (en) * | 2017-12-15 | 2018-06-26 | 陈小龙 | A kind of main transmission body structure |
| CN108240457A (en) * | 2017-12-15 | 2018-07-03 | 陈小龙 | A kind of boxlike mini-tiller main transmission babinet |
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| PB01 | Publication | ||
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Application publication date: 20151118 |