CN204031733U - Electric rotary-tillage machine - Google Patents
Electric rotary-tillage machine Download PDFInfo
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- CN204031733U CN204031733U CN201420415821.7U CN201420415821U CN204031733U CN 204031733 U CN204031733 U CN 204031733U CN 201420415821 U CN201420415821 U CN 201420415821U CN 204031733 U CN204031733 U CN 204031733U
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- cutterhead
- spacer
- electric rotary
- tillage machine
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Abstract
The utility model discloses a kind of electric rotary-tillage machine, can be used for digging, the small handheld electric tool loosened the soil, it is by head, cutterhead, connecting rod, the formation such as handle and power brick, mainly the blade structure of cutterhead and the mounting structure of cutterhead are improved, adopt multiple circumference uniform distribution and tilt to extend according to same direction of rotation the cambered blade that disjunctor is arranged on cutterhead excircle, to improve bonding strength and the connection reliability of blade, same direction of rotation is obliquely installed can dig, loosen the soil run into comparatively big bounce resistance time can filter, thus ensure that blade can not be impacted completely and fracture, adjacent two cambered blades are first arranged on spacer, be arranged on power transmission shaft by spacer again, therefore can single blade be subject to comparatively big bounce resistance time can be disperseed by spacer, the connection between cutterhead and power transmission shaft is avoided to get loose, strengthen stability in use, lifting is digged performance and to loosen the soil performance, and the design of overall employing dismountable structure, greatly facilitate and deposit and transport.
Description
Technical field
The utility model relates to a kind of small handheld electric tool for digging, loosening the soil, and specifically refers to electric rotary-tillage machine.
Background technology
Rotovator is a kind of electric tool of digging for realizing soil, loosening the soil, the rotovator of large-scale pull-type structure and the electric rotary-tillage machine of small handheld structure can be divided into according to the difference of use occasion, and the electric rotary-tillage machine of handheld structure is due to compact, lighter in weight, easy to use, therefore be widely used in family's garden, the digging of park gardens, loosen the soil needs, its structure is mainly made up of head, connecting rod, handle and the multiple cutterheads be arranged on head; Wherein, the project organization of cutterhead cutter and the cutterhead mounting structure on head is but the structure of comparatively core on electric rotary-tillage machine, and their structural design quality will directly affects dig quality and the quality of loosening the soil of electric rotary-tillage machine.Disclosed China Patent No. is " the mini electric rotovator " of 201220419313.7, it is on power transmission shaft, be provided with two cutterheads, separated by spacer between two cutterheads, the excircle of each cutterhead is equipped with 4 ends and is just doing, the anti-phase blade to bending, although the cutter head structure design of this electric rotary-tillage machine is comparatively novel, but but easily there is following defect in actual use: one, blade on cutterhead is the straight type blade perpendicular to cutterhead, and blade needs to be fixed on cutterhead by syndeton, straight type blade during work is subject to recoil resistance and easily causes blade fracture or depart from from cutterhead comparatively greatly, two, spacer only possesses interval function, and each cutterhead is fixed on separately on power transmission shaft, easily makes recoil strength all be applied on the cutterhead of connection separately, thus cause the connection of cutterhead and power transmission shaft to get loose, affect stability in use when meeting obstructions larger.
Summary of the invention
Technical problem to be solved in the utility model be to overcome prior art defect and provide a kind of connect reliable, use stablize, performance of digging and the electric rotary-tillage machine that is functional, that deposit convenient transportation that loosens the soil.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of electric rotary-tillage machine, comprises head, connecting rod and handle; Motor is provided with, by motor-driven gear drive and the power transmission shaft by gear drive driving in described head; Described power transmission shaft stretches out head and exposes and be provided with multiple concentric cutterhead be connected on power transmission shaft in tandem, and be provided with spacer between adjacent two cutterheads, described spacer is fixedly mounted on power transmission shaft, and adjacent two cutterheads are located respectively and are fixedly mounted on spacer two ends; The excircle of described each cutterhead is equipped with multiple circumference uniform distribution and the cambered blade tilting to extend according to same direction of rotation, and the end of adjacent two cambered blades of each cutterhead is all set to and positive and negatively bends in opposite directions.
Described power transmission shaft two ends are stretched out respectively to head both sides and are exposed, and the every one end of described power transmission shaft is equipped with 2 ~ 3 identical cutterheads of shape.
Cambered blade on described each cutterhead is all set to 4 or 6 or 8 of circumference uniform distribution.
It is be provided with locating piece on spacer end face that the location of described cutterhead and spacer end fixedly mounts structure, correspondingly on cutterhead, be provided with the locating hole making positioning assembling with described locating piece, be also provided with many screws between described cambered blade and spacer and connect fixing.
Locating piece on described spacer end face is the regular pentagon locating piece being arranged on spacer end face center, and the locating hole on described cutterhead is the regular pentagon locating hole being arranged on the cutterhead center of circle.
Described gear drive comprises the worm and worm wheel matched, and described worm end is provided with reduction gearing, and this reduction gearing is meshed with the motor gear of motor, and described worm-drive is arranged on power transmission shaft.
The gear cap of closed gear transmission mechanism is provided with in described head.
Be provided with bottom described head and outwards spread apart and the protection edge covered above multiple cutterhead.
Compared with prior art, the utility model mainly improves the blade structure of electric rotary-tillage machine upper tool pan and the mounting structure of cutterhead, multiple blades on this cutterhead are circumference uniform distribution and tilt to extend according to same direction of rotation the cambered blade that disjunctor is arranged on cutterhead excircle, the cambered blade of this disjunctor has good bonding strength, and same direction of rotation is obliquely installed and can digging, loosen the soil run into comparatively big bounce resistance time can preferably resistance be filtered, to ensure that blade can not be impacted completely, strengthen the connection reliability between blade and cutterhead, and adjacent two cambered blades are first arranged on spacer, be arranged on power transmission shaft by spacer again, therefore can single blade be subject to comparatively big bounce resistance time can be disperseed by spacer, the connection between cutterhead and power transmission shaft is avoided to get loose, strengthen stability in use, structure after improvement has dig preferably performance and performance of loosening the soil, and the design of overall employing dismountable structure, greatly facilitate and deposit and transport.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the three-dimensional exploded view of Fig. 1.
Fig. 3 is the structural representation of upper boom and handle.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 3,1. head, 2. connecting rod, 21. upper booms, 22. lower beams, 23. locking nuts, 3. handle, 31. locking press buttons, 32. switches, 4. power brick, 5. cutterhead, 51. cambered blades, 52. locating holes, 6. motor, 61. motor gears, 7. gear drive, 71. reduction gearing, 72. worm screws, 73. worm gears, 8. power transmission shaft, 9. spacer, 91. locating pieces, 10. blowout patche, 11. protection edges, 12. axle sleeves, 13. gear cap.
Electric rotary-tillage machine, as shown in Figure 1 and Figure 2, it is a kind of small handheld electric tool of digging for realizing soil, loosening the soil, and as can be used for the hoeing up weeds of family's garden or park gardens, loosening the soil, its structure is mainly made up of head 1, connecting rod 2, handle 3 and power brick 4 etc.
Described head 1 fastens mutually by two the left and right casing that also screw is connected and fixed to form, and is provided with motor 6 and gear drive 7 in this head 1; Described motor 6 is arranged on head top, and motor shaft downwards and be provided with motor gear 61; Described gear drive 7 to be arranged on below motor 6 and to be closed by gear cap 13.
Described gear drive 7 comprises the worm screw 72 and worm gear 73 being meshed supporting, this worm screw 72 is vertically arranged in head 1, its upper end is provided with the reduction gearing 71 engaged with motor gear 61, this worm gear 73 transmission is arranged on a horizontally disposed power transmission shaft 8, the two ends of power transmission shaft are stretched out head 1 respectively and are exposed, and are provided with blowout patche 10 and axle sleeve 12 phase supports between power transmission shaft 8 with head 1; By motor 6 successively drive motors gear 61, reduction gearing 71, worm screw 72, worm gear 73 and output power on power transmission shaft 8 during work, and then power transmission shaft 8 is driven to rotate.
The two ends that described power transmission shaft 8 exposes are respectively equipped with identical 2 cutterheads 5 of structure, and the quantity of cutterhead also can be designed to 3.The present embodiment is for 2 cutterhead 5 mounting structures of power transmission shaft 8 wherein one end, 2 cutterheads are connected on power transmission shaft 8 so that concentric is in tandem, spacer 9 is also provided with between 2 cutterheads 5, this spacer is fixedly mounted on power transmission shaft 8 by screw, the locating piece 91 in regular pentagon is respectively equipped with at two end face centers of spacer 9, and the center of circle of two cutterheads 5 is equipped with the locating hole 52 in regular pentagon, therefore two cutterheads 5 pass through locating hole 52 positioning assembling on the locating piece 91 at spacer 9 two ends, be connected and fixed by three screws between cutterhead 5 and spacer 9 again, thus make power transmission shaft 8 rotation that spacer 9 and two cutterheads 5 will be driven to form synchronous axial system.
The excircle of described each cutterhead 5 is equipped with 6 circumference uniform distributions and the cambered blade 51 tilting to extend according to same direction of rotation, and these 6 cambered blades and cutterhead 5 in conjoined structure, therefore can possess higher bonding strength; Meanwhile, the quantity of cambered blade 51 also can be designed to 4 or 8 according to actual needs, and must be that the quantity of getting even number carries out layout; On described each cutterhead 5, the end of adjacent two cambered blades 51 is all set to and positive and negatively bends in opposite directions, and to make cambered blade 51 maximum with the contact area on ground, operating efficiency is higher.
Also be provided with bottom head 1 above two described cutterheads 5 and outwards spread apart and cover the protection edge 11 of two cutterheads 5, soil block when working to prevent cambered blade 51 splashes.
Described connecting rod 2 is set to upper boom 21 and the lower beam 22 of removable structure, and arrange locking nut 23 between upper and lower bar and realize connecting or departing from, upper boom 21 upper end is connected and fixed on the handle 3, and lower beam 22 lower end is fastened on head 1.
Described handle 3 is provided with switch 32 and the locking press button 31 as switch security parts, can be controlled the keying of motor 6 in head 1 by switch 32; Meanwhile, handle 3 bottom is also provided with detachable power brick 4, can take down charging, or is installed to the working power as whole electric rotary-tillage machine on handle 3, facilitates electric rotary-tillage machine outside work.
Working method of the present utility model is: startup locking press button 31 is opened switch 32 and worked to control motor 6, and then drive power transmission shaft 8 to rotate by gear drive 7, the cutterhead 5 on power transmission shaft just can be driven to realize gyration, and cambered blade 51 just can carry out digging, loosening the soil, and saves labour; And the connecting rod 2 of removable structure and power brick 4 also facilitate electric rotary-tillage machine deposit transport.
Claims (10)
1. an electric rotary-tillage machine, comprises head (1), connecting rod (2) and handle (3); Motor (6) is provided with, by motor-driven gear drive (7) and the power transmission shaft (8) by gear drive driving in described head (1); Described power transmission shaft stretches out head (1) and exposes and be provided with multiple concentric cutterhead (5) be connected on power transmission shaft (8) in tandem, spacer (9) is provided with between adjacent two cutterheads, it is characterized in that described spacer (9) is fixedly mounted on power transmission shaft (8), adjacent two cutterheads (5) are located respectively and are fixedly mounted on spacer (9) two ends; The excircle of described each cutterhead (5) is equipped with multiple circumference uniform distribution and the cambered blade (51) tilting to extend according to same direction of rotation, and the end of adjacent two cambered blades (51) of each cutterhead (5) is all set to and positive and negatively bends in opposite directions.
2. electric rotary-tillage machine according to claim 1, is characterized in that described power transmission shaft (8) two ends are stretched out respectively to head (1) both sides and exposes, and the every one end of described power transmission shaft (8) is equipped with 2 ~ 3 identical cutterheads of shape (5).
3. electric rotary-tillage machine according to claim 1 and 2, the cambered blade (51) that it is characterized in that on described each cutterhead (5) is all set to 4 or 6 or 8 of circumference uniform distribution.
4. electric rotary-tillage machine according to claim 1 and 2, it is characterized in that described cutterhead (5) fixedly mounts structure with the location of spacer (9) end is be provided with locating piece (91) on spacer (9) end face, correspondingly on cutterhead (5), be provided with the locating hole (52) making positioning assembling with described locating piece (91), be also provided with many screws between described cambered blade (51) and spacer (9) and connect fixing.
5. electric rotary-tillage machine according to claim 4, it is characterized in that locating piece (91) on described spacer (9) end face is for being arranged on the regular pentagon locating piece at spacer (9) end face center, the locating hole (52) on described cutterhead (5) is for being arranged on the regular pentagon locating hole in cutterhead (5) center of circle.
6. electric rotary-tillage machine according to claim 1 and 2, it is characterized in that described gear drive (7) comprises the worm screw (72) and worm gear (73) matched, described worm screw (72) end is provided with reduction gearing (71), this reduction gearing is meshed with the motor gear (61) of motor (6), and described worm gear (73) transmission is arranged on power transmission shaft (8).
7. electric rotary-tillage machine according to claim 1 and 2, is characterized in that the gear cap (13) being provided with closed gear transmission mechanism (7) in described head (1).
8. electric rotary-tillage machine according to claim 1 and 2, is characterized in that described head (1) bottom is provided with and outwards spreads apart and the protection edge (11) covered above multiple cutterhead (5).
9. electric rotary-tillage machine according to claim 1 and 2, it is characterized in that described connecting rod (2) comprises upper boom (21) and the lower beam (22) of releasable connection, this upper boom (21) upper end is connected on handle (3), and lower beam (22) lower end is connected on head (1).
10. electric rotary-tillage machine according to claim 1 and 2, is characterized in that described handle (3) is provided with the locking press button (31) and switch (32) starting head (1) interior motor (6), is also provided with the power brick (4) that detachable is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415821.7U CN204031733U (en) | 2014-07-28 | 2014-07-28 | Electric rotary-tillage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415821.7U CN204031733U (en) | 2014-07-28 | 2014-07-28 | Electric rotary-tillage machine |
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| Publication Number | Publication Date |
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| CN204031733U true CN204031733U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415821.7U Active CN204031733U (en) | 2014-07-28 | 2014-07-28 | Electric rotary-tillage machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823537A (en) * | 2015-05-25 | 2015-08-12 | 安徽农业大学 | Portable paddy field harrow |
| CN104823538A (en) * | 2015-05-25 | 2015-08-12 | 安徽农业大学 | Portable paddy field harrow |
| CN105850247A (en) * | 2016-04-11 | 2016-08-17 | 李亮 | Orchard scarifier |
| CN108934212A (en) * | 2018-08-31 | 2018-12-07 | 合肥桴槎山软籽石榴研发有限公司 | A kind of agricultural planting machine soil crushing device |
| CN110352641A (en) * | 2019-07-30 | 2019-10-22 | 山东省农业机械科学研究院 | A kind of component and device that weeds with a hoe including the component of weeding with a hoe |
| CN111822340A (en) * | 2020-07-13 | 2020-10-27 | 山西省阳泉荫营煤矿 | Handheld electronic cleaning machine that charges |
| WO2021120859A1 (en) * | 2019-12-19 | 2021-06-24 | Techtronic Cordless Gp | Electric cultivator |
-
2014
- 2014-07-28 CN CN201420415821.7U patent/CN204031733U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823537A (en) * | 2015-05-25 | 2015-08-12 | 安徽农业大学 | Portable paddy field harrow |
| CN104823538A (en) * | 2015-05-25 | 2015-08-12 | 安徽农业大学 | Portable paddy field harrow |
| CN104823537B (en) * | 2015-05-25 | 2017-01-18 | 安徽农业大学 | Portable paddy field harrow |
| CN105850247A (en) * | 2016-04-11 | 2016-08-17 | 李亮 | Orchard scarifier |
| CN108934212A (en) * | 2018-08-31 | 2018-12-07 | 合肥桴槎山软籽石榴研发有限公司 | A kind of agricultural planting machine soil crushing device |
| CN110352641A (en) * | 2019-07-30 | 2019-10-22 | 山东省农业机械科学研究院 | A kind of component and device that weeds with a hoe including the component of weeding with a hoe |
| WO2021120859A1 (en) * | 2019-12-19 | 2021-06-24 | Techtronic Cordless Gp | Electric cultivator |
| CN113950241A (en) * | 2019-12-19 | 2022-01-18 | 创科无线普通合伙 | Electric cultivator |
| CN111822340A (en) * | 2020-07-13 | 2020-10-27 | 山西省阳泉荫营煤矿 | Handheld electronic cleaning machine that charges |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315171, Ningbo, Zhejiang Province, Yinzhou District Town, Ji Wang Industrial Park, No. 307 East Road, cloth Patentee after: Ningbo yisida environmental protection machinery Limited by Share Ltd Address before: 315176 Zhejiang province Ningbo city Yinzhou District town water village turnip Patentee before: Ningbo East Tool Co., Ltd. |