CN201345803Y - Mechanical hoe - Google Patents
Mechanical hoe Download PDFInfo
- Publication number
- CN201345803Y CN201345803Y CNU2008201008405U CN200820100840U CN201345803Y CN 201345803 Y CN201345803 Y CN 201345803Y CN U2008201008405 U CNU2008201008405 U CN U2008201008405U CN 200820100840 U CN200820100840 U CN 200820100840U CN 201345803 Y CN201345803 Y CN 201345803Y
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- Prior art keywords
- hoe
- cutterhead
- blade
- clutch
- mechanical
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Abstract
The utility model relates to a mechanical hoe, in particular to a mechanical hoe suitable for use in small-scale fields, which comprises a general machine power driving device arranged at one end of the mechanical hoe, a clutch, a hollow connecting pipe and a driving shaft, wherein the general machine power driving device is connected with the driving shaft through the clutch, and the driving shaft is sleeved in the connecting pipe; and a hoe cutter head is arranged at the other end of the mechanical hoe, and power is transferred to the hoe cutter head by the driving shaft. The power is transferred to the hoe cutter head by the general machine power driving device, so that the hoe cutter head acts on the land to play the roles in weeding and loosening the soil and the like, and the mechanical hoe has convenient effect similar to the traditional agricultural hoe; and the utility model is in particular suitable for use in greenhouse fields, terraces and slope fields, and can improve the work efficiency and save the time and labor.
Description
Technical field
The utility model relates to a kind of Mechanical hoe, is specifically related to a kind of small-sized field that is applicable to, has that speed is fast, energy consumption is low, mounting or dismounting are rapid, the Mechanical hoe of characteristics easy to use.
Background technology
As everyone knows, traditional agriculture hoe, though be useful in small-sized field, but inefficiency, the gas of wasting time and energy operates, though and large-scale mechanical farm implements are time saving and energy saving, but can only be useful in big field, and consume a large amount of energy, use also inconvenient, disclose a kind of Mechanical hoe as Chinese patent ZL02258236.3, but complex structure, still will be during use by other outside farm machinery power, still can not well solve in small-sized field weeding and problem such as loosen the soil, the big fluffy field and terraced fields of being inconvenient to use particularly at other farm machineries, use in the hillside fields, people wish to have a kind of can the convenience in small-sized field to use time saving and energy saving again Mechanical hoe always.
The utility model content
The technical problems to be solved in the utility model provides a kind of Mechanical hoe, and solution can conveniently be used in small-sized field, and time saving and energy saving again technical problem is specially adapted to use in big fluffy field and terraced fields, the hillside fields.
The technical scheme that the utility model technical solution problem is adopted is: hoe designs a mechanism, include the logical mechanomotive force drive unit that is arranged on Mechanical hoe one end, clutch, the tube connector of hollow, power transmission shaft, logical mechanomotive force drive unit is connected with power transmission shaft by clutch, driving sleeve is contained in the tube connector, can also be provided with the hoe cutterhead at the other end of Mechanical hoe, the hoe cutterhead is dismountable to be installed on the hoe cutterhead installation shaft, hoe cutterhead installation shaft is provided with bevel gear, the power transmission shaft end is provided with shaft gear, shaft gear and bevel gear engagement, the two axes intersect becomes an angle of 90 degrees, power transmission shaft with transmission of power to the hoe cutterhead; Also can also be provided with the hoe cutterhead at the other end of Mechanical hoe, the hoe cutterhead is dismountable to be installed on the hoe cutterhead installation shaft, hoe cutterhead installation shaft is arranged to worm gear, the power transmission shaft end is arranged to worm screw, worm gear and worm engaging, the two axes intersect becomes an angle of 90 degrees, power transmission shaft with transmission of power to the hoe cutterhead.
Adopt the Mechanical hoe of technique scheme and since logical mechanomotive force drive unit with transmission of power to the hoe cutterhead, the hoe cutterhead can act on the soil, effect such as play weeding and loosen the soil; Simultaneously because the Mechanical hoe project organization is simple, power set are 139 general gasoline engines of trunnion axis, the quality of Mechanical hoe own is light and handy, during use, can produce the effect that makes things convenient for of similar traditional agriculture hoe, be specially adapted to use in big fluffy field and terraced fields, the hillside fields, and can increase work efficiency, time saving and energy saving, solve technical barriers such as in big fluffy field and terraced fields, hillside fields, can't using machine power, alleviate peasant's manual labor.
Further, limiting the shaft gear meshing bevel gear that is provided with the power transmission shaft end is two, is separately positioned on the both sides of shaft gear, forms corresponding bevel gear combination, simultaneously with the shaft gear engagement, forms corresponding hoe cutterhead installation shaft combination.Corresponding two-sided design hoe cutterhead like this can further be increased work efficiency than monolateral design hoe cutterhead on the one hand, also causes symmetry to use on the other hand, reaches balance, stable effect, makes the Mechanical hoe can be faster, more stable work.
Further, the clutch between logical mechanomotive force drive unit and the connecting axle is limited, the restriction clutch is a centrifugal clutch, such clutch configuration is simple, in conjunction with soft, the vibrations that produce during transmission of power are less, make very steady soft the transmitting of kinetic force.
Further, the concrete structure of restriction centrifugal clutch, the clutch outer cover side face of described centrifugal clutch is provided with brake hole, and the clutch-plate side face of clutch is provided with banking pin, and banking pin and brake hole cooperatively interact.Such novel clutch, owing to be provided with banking pin and the brake hole that cooperatively interacts, the height of banking pin is not contour, opening width according to concrete clutch, camber lines such as the size design of the diameter of clutch-plate, brake hole is relevant with the thickness diameter of banking pin, guarantee when the power rotating speed is mentioned, clutch-plate open automatically carry out in conjunction with the time, banking pin on the clutch-plate can the soft stable brake hole that stretches into the clutch outer cover in and fix the clutch outer cover, make clutch-plate and the more stable combination of clutch cover, guaranteed the stability of combination; When speed was reduced to a certain degree, clutch-plate in the brake hole of the disengagement clutch outer cover that banking pin on the clutch-plate is can be soft stable and separate, was not transmitting power under the effect of back-moving spring, has played good clutch action.
Further, the structure of described hoe cutterhead is limited, the design of hoe cutterhead is as a whole, and convenient production can be adopted direct mould molding production, guarantees mass production and quality of stability, optimized production technology; Limit the shape of hoe cutterhead simultaneously, limit on the hoe cutterhead and be respectively equipped with big blade and small blade, big blade is higher than small blade, and big blade and the spaced apart of small blade concentric shafts sub-multiple angle are arranged on the hoe cutterhead.Overall performance is solid superior on the one hand for such hoe cutterhead, also can guarantee on the other hand better to loosen the soil or weeding, generally speaking be that big blade is with native scarifying or remove grass, small blade shreds soil sparing or grass being cut off, chop up, two blades are used, and better reach to loosen the soil or the effect of weeding.
Further, limit the structure of hoe cutterhead more specifically, limit described big blade and be made of blade bearing and bit respectively, bit is dismountable to be connected on the blade bearing.Such design is because under user mode, and the cutter head of big blade is worn and influences through regular meeting and cuts or the effect of loosening the soil, and is to save cost; whole hoe cutterhead can not be changed; only the bit that is worn partly need be changed and get final product, save cost, convenient use.
Simultaneously, also can further limit the quantity and the mutual alignment relation of the blade of hoe cutterhead, the blade on the described hoe cutterhead is set to two groups respectively, be separated by 180 ° between two groups of big blades, be separated by 180 ° between two groups of small blades, be separated by 90 ° between big blade and the adjacent small blade.The such quantity and the technical scheme of structural relation can guarantee on the one hand that the transmission of power is used, and also guarantee on the other hand better to loosen the soil and weeding under the dynamically stable situation.
Certainly, also can be defined as the quantity of the blade of above-mentioned hoe cutterhead and mutual alignment relation with the blade on the hoe cutterhead be respectively three groups, be separated by 120 ° between these three groups of big blades, be separated by 120 ° between three groups of small blades, be separated by 60 ° between big blade and the adjacent small blade.This is specifically to prepare use according to different power and soil regime.
Can also be mixed with more blade unit form, these all are unified designs of the present invention, as being respectively four groups also with the blade on the hoe cutterhead, be separated by 90 ° between these four groups of big blades, be separated by 90 ° between three groups of small blades, be separated by 45 ° between big blade and the adjacent small blade, in addition can design more.
Further, the gear ratio that limits described shaft gear and bevel gear is 1: 10～1: 50, gearratio between shaft gear and the bevel gear is 10～50, test shows, logical mechanomotive force rotational speed of driving unit is 10～50 times of rotating speed of hoe cutterhead, such rotating ratio makes driving force and speeds match better, helps to satisfy user's requirement.
Description of drawings
Below in conjunction with drawings and Examples technical solutions of the utility model are further specified.
Accompanying drawing 1 is the structural representation of the embodiment one of a kind of Mechanical hoe of the utility model;
Accompanying drawing 2 is structural representations of the clutch among the embodiment one;
Accompanying drawing 3 is right views of accompanying drawing 2;
Accompanying drawing 4 is structural representations of the clutch-plate in the clutch among the embodiment one;
Accompanying drawing 5 is right views of accompanying drawing 2;
Accompanying drawing 6 is wherein a kind of structural representations of the hoe cutter among the embodiment one;
Accompanying drawing 7 is another structural representation of the hoe cutter among the embodiment one.
Embodiment
As shown in Figure 1, the Mechanical hoe of the utility model embodiment one, include the logical mechanomotive force drive unit 1 that is arranged on Mechanical hoe one end, what usually adopt is 139 general gasoline engines of trunnion axis, clutch 2, the tube connector 5 of hollow, power transmission shaft 6, logical mechanomotive force drive unit 1 is connected with power transmission shaft 6 by clutch 2, power transmission shaft 6 is contained in the tube connector 5 by bearing 7 positioning sleeves, the other end at Mechanical hoe also is provided with hoe cutterhead 10a, 10b, power transmission shaft 6 with transmission of power to hoe cutterhead 10a, 10b, wherein, hoe cutterhead installation shaft 12 is provided with bevel gear 9a, 9b, described power transmission shaft 6 with transmission of power to hoe cutterhead 10a, 10b realizes like this, power transmission shaft 6 ends are provided with shaft gear 8, shaft gear 8 and bevel gear 9a, the 9b engagement, the two axes intersect becomes an angle of 90 degrees, dismountable hoe cutterhead 10a that is installed with on the hoe cutterhead installation shaft 12,10b, wherein, bevel gear 9a, 9b is separately positioned on the both sides of shaft gear 8, form corresponding bevel gear combination 11, simultaneously with shaft gear 8 engagements, simultaneously, can also be provided with braces 3 and handrail 4 on Mechanical hoe, these design in order to manipulate Mechanical hoe more easily.In this embodiment, employed clutch 2 is centrifugal clutches, and as Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, clutch outer cover 13 side faces of centrifugal clutch are provided with brake hole 17, clutch-plate 14a, the 14b side face of clutch are provided with banking pin 16, and banking pin 16 cooperatively interacts with brake hole 17.During use, after the output shaft rotating speed of power raises, the clutch-plate 14a of centrifugal clutch 2,14b can open progressively outward, inner rim by side face friction clutch outer cover 13, but such combination is the combination of determining clutch by the frictional force of periphery and separate, exist in conjunction with incomplete, the phenomenon of trying to shirk responsibility easily, but this centrifugal clutch of technical solutions of the utility model, owing to be provided with the banking pin 16 and brake hole 17 that cooperatively interact, and because the height of banking pin 1 is not contour, opening width according to concrete clutch, camber lines such as the size design of the diameter of clutch-plate, brake hole 17 is relevant with the thickness diameter of banking pin 16, guarantees when the power rotating speed raises, clutch- plate 14a, 14b open automatically carry out in conjunction with the time, clutch-plate 14a, banking pin 16 on the 14b can the soft stable brake hole that stretches into clutch outer cover 13 17 in and fix the clutch outer cover, make clutch-plate 14a, the combination that 14b and clutch cover 13 are more stable has guaranteed the stability of combination; When speed was reduced to a certain degree, clutch-plate was under the effect of back-moving spring 15, and the brake hole 17 of the disengagement clutch outer cover 13 that banking pin on clutch-plate 14a, the 14b 16 is can be soft stable and separating is not transmitting power, has played good clutch action.
In addition, as Fig. 6, shown in Figure 7, the hoe cutterhead 10a, the 10b that are adopted in the present embodiment are global designs, be respectively equipped with big blade 19 and small blade 18, big blade 19 is higher than small blade 18, big blade 19 and the spaced apart of small blade 18 concentric shafts sub-multiple angles are arranged on hoe cutterhead 10a, the 10b, and big blade 19 is made of blade bearing 19a and bit 19b respectively, and bit 19b is dismountable to be connected on the blade bearing 19a.
According to different power and soil regime, the hoe cutterhead 10a, the 10b that are adopted in the present embodiment can be arranged to structure as shown in Figure 6, the blade of above-mentioned hoe cutterhead 10a, 10b is set to three groups, be separated by 120 ° between these the three groups big blades 19, be separated by 120 ° between three groups of small blades 18, be separated by 60 ° between big blade 19 and the adjacent small blade; Also can, structure as shown in Figure 7, the blade of above-mentioned hoe cutterhead 10a, 10b is set to two groups, is separated by 180 ° between these the two groups big blades 19, is separated by 180 ° between two groups of small blades 18, is separated by 90 ° between big blade 19 and the adjacent small blade 18.
In the present embodiment, shaft gear 11 is 1: 30 with the gear ratio of bevel gear 13, makes power and speeds match get better at this gearratio.
Same reason, power transmission shaft with transmission of power to the hoe cutterhead, also can adopt the transfer mode of worm and gear to transmit, promptly the other end at Mechanical hoe also is provided with the hoe cutterhead, and the hoe cutterhead is dismountable to be installed on the hoe cutterhead installation shaft, and hoe cutterhead installation shaft is arranged to worm gear, the power transmission shaft end is arranged to worm screw, worm gear and worm engaging, the two axes intersect becomes an angle of 90 degrees, power transmission shaft with transmission of power to the hoe cutterhead.
Above-described only is preferred implementation of the present utility model; should be pointed out that for a person skilled in the art, under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement, these also should be considered as protection domain of the present utility model.
Claims (9)
1. Mechanical hoe, include the logical mechanomotive force drive unit that is arranged on Mechanical hoe one end, clutch, the tube connector of hollow, power transmission shaft, logical mechanomotive force drive unit is connected with power transmission shaft by clutch, driving sleeve is contained in the tube connector, it is characterized in that: the other end at Mechanical hoe also is provided with the hoe cutterhead, the hoe cutterhead is dismountable to be installed on the hoe cutterhead installation shaft, hoe cutterhead installation shaft is provided with bevel gear, the power transmission shaft end is provided with shaft gear, shaft gear and bevel gear engagement, the two axes intersect becomes an angle of 90 degrees, power transmission shaft with transmission of power to the hoe cutterhead; Perhaps, the other end at Mechanical hoe also is provided with the hoe cutterhead, the hoe cutterhead is dismountable to be installed on the hoe cutterhead installation shaft, hoe cutterhead installation shaft is arranged to worm gear, the power transmission shaft end is arranged to worm screw, worm gear and worm engaging, the two axes intersect becomes an angle of 90 degrees, power transmission shaft with transmission of power to the hoe cutterhead.
2. Mechanical hoe as claimed in claim 1 is characterized in that: the described shaft gear meshing bevel gear that is provided with the power transmission shaft end has two, is separately positioned on the both sides of shaft gear, forms corresponding bevel gear combination, meshes with shaft gear simultaneously.
3. Mechanical hoe as claimed in claim 1 is characterized in that: the clutch between described logical mechanomotive force drive unit and the connecting axle is a centrifugal clutch.
4. Mechanical hoe as claimed in claim 1 is characterized in that: described hoe cutterhead is global design, is respectively equipped with big blade and small blade, and big blade is higher than small blade, and big blade and the spaced apart of small blade concentric shafts sub-multiple angle are arranged on the hoe cutterhead.
5. Mechanical hoe as claimed in claim 1 is characterized in that: the gear ratio of described shaft gear and bevel gear is 1: 10～1: 50.
6. Mechanical hoe as claimed in claim 3 is characterized in that: the clutch outer cover side face of described centrifugal clutch is provided with brake hole, and the clutch-plate side face of clutch is provided with banking pin, and banking pin and brake hole cooperatively interact.
7. Mechanical hoe as claimed in claim 4 is characterized in that: described big blade is made of blade bearing and bit respectively, and bit is dismountable to be connected on the blade bearing.
8. Mechanical hoe as claimed in claim 4 is characterized in that: the blade on the described hoe cutterhead is respectively two groups, is separated by 180 ° between two groups of big blades, is separated by 180 ° between two groups of small blades, is separated by 90 ° between big blade and the adjacent small blade.
9. Mechanical hoe as claimed in claim 4 is characterized in that: the blade on the described hoe cutterhead is respectively three groups, is separated by 120 ° between three groups of big blades, is separated by 120 ° between three groups of small blades, is separated by 60 ° between big blade and the adjacent small blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201008405U CN201345803Y (en) | 2008-12-04 | 2008-12-04 | Mechanical hoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201008405U CN201345803Y (en) | 2008-12-04 | 2008-12-04 | Mechanical hoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345803Y true CN201345803Y (en) | 2009-11-18 |
Family
ID=41365284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201008405U Expired - Fee Related CN201345803Y (en) | 2008-12-04 | 2008-12-04 | Mechanical hoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345803Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102696291A (en) * | 2012-06-15 | 2012-10-03 | 渠海忠 | Multifunctional hoeing machine |
| CN111386766A (en) * | 2020-03-31 | 2020-07-10 | 清华大学 | Light paddy field weeder |
-
2008
- 2008-12-04 CN CNU2008201008405U patent/CN201345803Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102696291A (en) * | 2012-06-15 | 2012-10-03 | 渠海忠 | Multifunctional hoeing machine |
| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20101204 |