CN202503878U - Shoulder-carrying type weed extractor - Google Patents
Shoulder-carrying type weed extractor Download PDFInfo
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- CN202503878U CN202503878U CN2011205567424U CN201120556742U CN202503878U CN 202503878 U CN202503878 U CN 202503878U CN 2011205567424 U CN2011205567424 U CN 2011205567424U CN 201120556742 U CN201120556742 U CN 201120556742U CN 202503878 U CN202503878 U CN 202503878U
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Abstract
Provided is a shoulder-carrying type weed extractor. The shoulder-carrying type weed extractor is capable of flexibly removing grass among seeding. The shoulder-carrying type weed extractor is high in weed hoeing efficiency, capable of hoeing weeds all-directionally and capable of protecting seeding well. An original working head and an original tool of a brush cutter are detached, a new working head (1) is sleeved on a casing pipe (6) of a transmission shaft (7) to be connected with the original brush cutter, cutter heads (2) on two sides are connected with the new working head (1) through an output shaft (15) of the new working head (1), and a protective cover (3) is fixed on the casing pipe (6). The new working head (1) is composed of a casing and an inner reducer, and the speed is reduced to 300-700 round/minute by the inner reducer finally. The working power of the weed extractor adopts the power of the original brush cutter. The shoulder-carrying type weed extractor can be used in efficient weed hoeing of a large field and also can be used in efficient weed hoeing of a small field flexibly.
Description
Affiliated technical field
The utility model belongs to the small-sized grass-remover in the agricultural machinery, especially can uproot the small-sized grass-remover of grass between seedling flexibly.
Background technology
In plant husbandry, no matter to plant vegetables, plant cereal crops, still plant traditional Chinese medicine, weeding all is a crucial job.Existing weeding system has manual work to hoe up weeds, use small-sized grass-remover, use large-scale grass-remover with hoe, also useful weed killer herbicide.Hoeing up weeds with hoe, is the most traditional mode, well-known, waste time and energy, but effect is best.
Little, in, big machinery weeding equipment, though efficient is high, herbicidal effect is poor, particularly the grass between the seedlings of cereal crops and the seedlings of cereal crops is difficult to remove.Reason is that the most operation principle of weeding machine is to take the air line along the ridge, can not play the effect of comprehensive weeding.
And the effect of weed killer herbicide is better, but the chemical weed control mode all has severe contamination to soil, water, air and plant, uses the destruction of weed killer herbicide to soil for a long time, all is difficult to improve with many decades! Plant the plant of coming out, supply human or animal edible, all certain influence can be arranged.Because the harmfulness of weed killer herbicide can be abandoned using by people.
So, the utility model is exactly the advantage that will hoe up weeds manual work with hoe, reduces the advantage that labour intensity can also raise the efficiency greatly with grass-remover and combine.
Summary of the invention
In order to overcome the existing small-sized machine operation very flexible of hoeing up weeds, to injure the deficiencies of the seedlings of cereal crops sometimes, the utility model provides a kind of small-sized grass-remover of uprooting grass between seedling, its efficient height of hoeing up weeds, can comprehensively hoe up weeds, can also the fine protection seedlings of cereal crops.
Technical scheme: the Backpack type grass-remover of the utility model is with the brush saw that unloads working head and cutter, through the power transmission shaft (7) and the sleeve pipe (6) of brush saw, and the new-type grass-remover that is connected and forms with working head (1), cutter head (2), the protective cover (3) of new system.After brush saw unloads working head and cutter, keep engine (10), braces (9), handgrip (8), power transmission shaft (7), sleeve pipe (6), support (5) part fully.The sleeve pipe (6) that working head (1) is enclosed within power transmission shaft (7) upward is connected with brush saw; Both sides cutter head (2), the output shaft (15) through new system working head (1), be connected with working head (1); The working head that connects (1) and cutter head (2), the distance from the outer edge of a side tool head to the outer edge of opposite side cutter head is the 210-290 millimeter; Be fixed on protective cover (3) on the sleeve pipe (6) of power transmission shaft (7) again; The working head of this new system (1) is made up of shell (18), inner reducing gear, and inner reducing gear can adopt the worm and wormwheel mode to slow down, and finally decelerates to 300-700 rev/min; The operation power of grass-remover adopts the power (working speed of brush saw is 3500-5000 rev/min) of brush saw; Cutter head (2) can be made by many row's columnar metals or the little tooth of sheet on the metal tube surface soldered, little tooth depth 15-20 millimeter, and the length of single cutter head (2) is the 80-120 millimeter, diameter 20-50 millimeter; Protective cover (3) can use the hard flexible plastic material to make, and perhaps makes with glass-reinforced plastic material, also the available metal material.
With existing other compared with techniques, the advantage of present technique scheme shows:
1, the efficient height of hoeing up weeds reduces the recruitment expense of hoeing up weeds greatly.
Other small-sized grass-remover can not be uprooted between seedling grass, uproot between seedling grass and can only adopt and artificially use the hoe mode, and the present technique scheme can through handgrip flexibly the control cutter head of hoeing up weeds uproot between seedling careless.Because adopting engine is power source, hoes up weeds with hoe with manual work and compares, natural efficient improves greatly.
With 500 millimeters of crops line-spacings, spacing in the rows is example for 350 millimeters, and seedlings of cereal crops number is about 3800 strain/mus, 0.3 mu/hour of the Backpack type grass-remover operation among the application embodiment; Crops line-spacing 200-300 millimeter can only use one-sided cutter head, and operating efficiency reduces by half, 0.15 mu/hour of operation.
The crops of peasant planting, the grower who leans on it rains need hoe up weeds twice.The crops final singling phase need hoe up weeds once; To the hot summer days need hoe up weeds once because be rainy season, weed growth speed is fast, the part crop need be hoed up weeds three times.And the complete plantation family of water conservancy projects gathers in the crops to autumn from the crops final singling, need hoe up weeds three to four times.With Changzhi City suburb, Shanxi Province rural area hired laborer is reference, and 80 yuan/mu of the expenses of hoe corn ground weed are uprooted 240 yuan/mu of three careless recruitment expenses.Adopt the Backpack type grass-remover, every machine is worked and can be uprooted corn 3-4 mu in 8 hours by one man operation every day, 80 yuan/day of labor wage, and gasoline expends 2 liters, 7.5 yuan/liter of market prices, 15 yuan/day of gasoline expenses.Manual work adds totally 95 yuan/day in gasoline.Share equally by three mu of ground of hoe, about 32 yuan/mu of expense is uprooted once grass and can be practiced thrift 48 yuan/mu, for peasant household has reduced planting cost.
2, the operating flexibility of hoeing up weeds is strong.
If crops line-spacing, spacing in the rows are big, the work of bilateral cutter head can be installed; If crops line-spacing, spacing in the rows are little, one-sided cutter head work can only be installed; In addition, the present technique scheme is controlled the cutter head of hoeing up weeds flexibly through handgrip, can also uproot ridge inclined-plane weeds, thereby, can realize the comprehensive work of hoeing up weeds.
3, can the fine protection seedlings of cereal crops.
On the one hand, the working head of present technique scheme and cutter head volume are little; On the other hand, though be the machinery mode of hoeing up weeds, can well combine with Artificial Control.Just as manual work with the hoe that kind of hoeing up weeds, kept the safe distance between the cutter head and the seedlings of cereal crops.10 millimeters weeds in addition of the seedlings of cereal crops can be uprooted clean.
Description of drawings
Fig. 1 is the Backpack type grass-remover overall schematic according to the utility model embodiment;
Fig. 2 is with protecting cover working head and a cutter head enlarged drawing partly among Fig. 1;
Fig. 3 is working head and cutter head enlarged drawing;
Fig. 4 is a working head A-A profile among Fig. 3;
Fig. 5 sees the side-looking enlarged drawing of internal gear for arrow " C " direction in Fig. 4;
Fig. 6 is a working head B-B profile among Fig. 3.
Embodiment (optimal way)
Below, adopting the worm and wormwheel ways of deceleration with the inner reducing gear of working head is example, with reference to accompanying drawing the embodiment of the utility model once is described.
Fig. 1 is the Backpack type grass-remover overall schematic according to the utility model embodiment.The Backpack type grass-remover comprises engine (10), braces (9), handgrip (8), sleeve pipe (6), power transmission shaft (7), support (5), protective cover (3), protective cover stator (4), working head (1) and cutter head (2).Wherein, support (5), sleeve pipe (6), power transmission shaft (7), handgrip (8), braces (9), engine (10) are the parts that remains of brush saw, and working head (1), cutter head (2), protective cover (3), protective cover stator (4) are new connectors.Engine (10) comes for grass-remover working head (1) provides power through power transmission shaft (7), and working head (1) drives connected cutter head (2) work; Sleeve pipe (6) is enclosed within outside the power transmission shaft (7), and the shell (18) of working head (1) is enclosed within on the sleeve pipe (6), can know in conjunction with figure (4), and power transmission shaft is connected with working head (1) through internal gear (112); Protective cover (3) is with stator (4) and be bolted on the sleeve pipe (6), when grass-remover is worked, prevents that foreign matters such as dust, stone from splashing; With the protection operator; Protective cover (3) can use the hard flexible plastic material to make, and perhaps makes with glass-reinforced plastic material, also the available metal material; When placing the Backpack type grass-remover slack season, support (5) plays a supportive role.
Braces (9) side hang over the operator take on, with handgrip (8) come together control the hoe up weeds direction and the position of cutter head (2).Especially when grass between the hoe seedling, one-sided cutter head (2) only is installed; One-sided cutter head length is at the 80-120 millimeter, and diameter can be easy to insert between seedling at the 20-50 millimeter, adds that the operator can come the direction and the position of more accurate control cutter head through braces and handgrip, just can well uproot grass between seedling.For the ridge weeds, during the ridge of hoe operator left side, operator's left hand is raised, and works with the right side cutter head; When uprooting operator right side ridge, operator's right hand is raised, and works with the left side cutter head.For seedlings of cereal crops weeds in the ranks, the bilateral cutter head is worked simultaneously, can high efficiency hoe up weeds.It is thus clear that the utility model can be realized comprehensive hoeing up weeds.
Because of the front end of grass-remover among Fig. 1 shows clearly inadequately, Fig. 2 be with protecting cover working head and a cutter head enlarged drawing partly among Fig. 1, with as Figure of abstract.
Fig. 3 is working head and cutter head enlarged drawing, with clear working head and outside each concrete part of cutter head of showing.Two video discs (12) are arranged on working head (1) shell (18), be fixed on working head shell (18) on the sleeve pipe (6) through bolt hole (13) with bolt, the video disc left side is the line of rabbet joint (14).The shell (18) of working head (1) is gone up also has oil filler point (17), is used for injecting lubricating oil, and oil-hole plug (16) is arranged on the oil filler point.Both sides cutter head (2) is connected with working head (1) through output shaft (15), and cutter head (2) can be made little tooth depth 15-20 millimeter by many row's columnar metals or the little tooth of sheet (21) on the metal tube surface soldered.Working head that connects (1) and cutter head (2), the distance from a side tool head outer edge to opposite side cutter head outer edge is the 210-290 millimeter.Hoe up weeds cutter head in working order the time, and slight contact parallel to the ground is grasped by the operator flexibly, with break the land for building, the degree of depth is advisable at the 15-20 millimeter; Can't firmly press down the cutter of hoeing up weeds, otherwise, can cause operation out of control or cause and dig dell and injure the seedlings of cereal crops.
Fig. 4, Fig. 5 and Fig. 6 are that the interior to working head (1) reflects.In Fig. 4, worm screw (110) two ends are fixing with bearing (19a) and bearing (19b); There is internal gear (112) worm screw inside, is used for being connected with the rack of power transmission shaft (7) left distal end among Fig. 1, and Fig. 5 is the end view of internal gear (112); Worm screw (110) meshes with the worm gear (111) of bottom, has output shaft (15) to pass from the center in the worm gear; Working head shell (18) is wrapped in the outside of bearing (19a), (19b) and worm gear (111).In Fig. 6, output shaft (15) passes from the center of worm gear (111), and passes working head shell (18); Power transmission shaft (7) is fixing by the bearing (19c) and the bearing (19d) at worm gear two ends; The part that power transmission shaft (7) stretches out the working head shell has positive left-hand thread, in order to put fixedly both sides cutter head of cap nut; Worm gear (111) meshes with the worm screw (110) on top; Working head shell (18) is wrapped in the outside of worm screw (110) and bearing (19c), (19d).
Claims (7)
1. a grass-remover is characterized in that the brush saw that unloads working head and cutter, through the power transmission shaft (7) and the sleeve pipe (6) of brush saw, and the new-type grass-remover that is connected and forms with working head (1), cutter head (2), the protective cover (3) of new system; The working head of this new system (1) is made up of shell (18), inner reducing gear.
2. grass-remover according to claim 1; After it is characterized in that brush saw unloads working head and cutter; Keep engine (10), braces (9), handgrip (8), power transmission shaft (7), sleeve pipe (6), support (5) part fully; And then be connected with working head (1), cutter head (2), the protective cover (3) of new system, the operation power of grass-remover adopts the power of brush saw.
3. grass-remover according to claim 1 is characterized in that both sides cutter head (2), the output shaft (15) through new system working head (1), is connected with working head (1) earlier, and working head (1) is enclosed within on the sleeve pipe (6) of power transmission shaft (7) again and is connected with brush saw; Working head that connects (1) and cutter head (2), the distance from a side tool head outer edge to opposite side cutter head outer edge is the 210-290 millimeter.
4. grass-remover according to claim 1 is characterized in that on the shell (18) of its working head (1) oil filler point (17) being arranged, and is used for injecting lubricating oil, and oil-hole plug (16) is arranged on the oilhole.
5. grass-remover according to claim 1 is characterized in that the inner reducing gear of working head (1) can adopt the worm and wormwheel mode to slow down, and is as the criterion for 300-700 rev/min to decelerate to cutter head (2).
6. grass-remover according to claim 1 is characterized in that cutter head (2) can make little tooth depth 15-20 millimeter by many row's columnar metals or the little tooth of sheet on the metal tube surface soldered; The length of single cutter head (2) is the 80-120 millimeter, diameter 20-50 millimeter.
7. grass-remover according to claim 1 is characterized in that protective cover (3) can use the hard flexible plastic material to make, and perhaps makes with glass-reinforced plastic material, also the available metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205567424U CN202503878U (en) | 2011-12-12 | 2011-12-12 | Shoulder-carrying type weed extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205567424U CN202503878U (en) | 2011-12-12 | 2011-12-12 | Shoulder-carrying type weed extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202503878U true CN202503878U (en) | 2012-10-31 |
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ID=47056392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205567424U Expired - Fee Related CN202503878U (en) | 2011-12-12 | 2011-12-12 | Shoulder-carrying type weed extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503878U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105814989A (en) * | 2016-06-06 | 2016-08-03 | 毕节市烟草公司黔西县分公司 | Backpack-type automatic weed extractor |
| CN106922643A (en) * | 2017-03-31 | 2017-07-07 | 唐钱 | Grass-remover |
| CN108093701A (en) * | 2018-03-06 | 2018-06-01 | 陈玉民 | Millet thinning clean tillage all-in-one machine and thinning herbicidal methods |
| CN111386766A (en) * | 2020-03-31 | 2020-07-10 | 清华大学 | Light paddy field weeder |
-
2011
- 2011-12-12 CN CN2011205567424U patent/CN202503878U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105814989A (en) * | 2016-06-06 | 2016-08-03 | 毕节市烟草公司黔西县分公司 | Backpack-type automatic weed extractor |
| CN106922643A (en) * | 2017-03-31 | 2017-07-07 | 唐钱 | Grass-remover |
| CN108093701A (en) * | 2018-03-06 | 2018-06-01 | 陈玉民 | Millet thinning clean tillage all-in-one machine and thinning herbicidal methods |
| CN111386766A (en) * | 2020-03-31 | 2020-07-10 | 清华大学 | Light paddy field weeder |
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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: 20121031 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |