CN214757694U - Small weeding grass chopper device for agricultural farmland - Google Patents
Small weeding grass chopper device for agricultural farmland Download PDFInfo
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- CN214757694U CN214757694U CN202120172530.XU CN202120172530U CN214757694U CN 214757694 U CN214757694 U CN 214757694U CN 202120172530 U CN202120172530 U CN 202120172530U CN 214757694 U CN214757694 U CN 214757694U
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Abstract
A small grass chopper device for weeding in agricultural land comprises a centrifugal clutch arranged at the lower end of an output shaft of a vertical shaft engine, a gearbox arranged at the lower end of the centrifugal clutch, a frame arranged at the front end of the gearbox, a walking wheel shaft, a main shaft and a cutter shaft which are transversely arranged in parallel in the gearbox, a transmission angle gear arranged between the lower end of the output shaft of the centrifugal clutch and the middle part of the main shaft, and a walking transmission gear and a walking driven gear arranged on the main shaft in a clutch type corresponding manner; a cutter driven gear is arranged on the cutter shaft, and a cutter transmission gear and the cutter driven gear on the main shaft are arranged correspondingly in a clutch manner; the gear of the gearbox is respectively provided with a neutral gear, a forward gear and a forward gear grass chopping gear; the vertical shaft engine, the centrifugal clutch and the straight gear transmission are arranged up and down, so that the operation flexibility is improved; the resistance caused by transmission friction is reduced, the service life of a transmission part is prolonged, and the integral quality of a product is ensured.
Description
Technical Field
The invention relates to a weeding and grass-chopping device for an agricultural farmland, in particular to a small weeding and grass-chopping device for an agricultural farmland.
Background
At present, the agricultural modernization progress of China is fast, and the use of large-scale agricultural machinery is influenced due to more cultivated land in mountainous and hilly areas; agricultural machinery enterprises develop small rotary cultivators for the tillage finishing of hills and smaller plots, and particularly, the roots of crops harvested on the tillage are left on the ground and are difficult to finish; as the engine and the gearbox cutter of the existing small grass chopper on the market are transversely connected; the motor, the gear box and the cutter occupy a long transverse direction, and the steering radius is large, so that the grass chopper is difficult to operate; the span between the engine and the gearbox is large, and a long belt is adopted for transmission; the belt is easy to loosen and slip in the using process, a belt pressing wheel is generally arranged in the middle of the belt to press the belt, and the friction force is ensured by increasing the pulling force; when the roots of the ground remained after the crops are harvested are tidied, the grass chopper device needs higher rotating speed for trimming, a belt in the use process of the grass chopper with higher rotating speed is easy to fatigue and seriously worn, the use period of the belt is shorter, and the service life of a machine body and the integral quality of a product are influenced; in view of the above-mentioned reasons, a small grass chopper device for weeding an agricultural land is proposed.
Disclosure of Invention
The invention aims to overcome the defect that the engine and the gearbox cutter of the existing small grass chopper are transversely connected; the motor, the gear box and the cutter occupy a long transverse direction, and the steering radius is large, so that the grass chopper is difficult to operate; the span between the engine and the gearbox is large, and a long belt is adopted for transmission; the belt is easy to loosen and slip in the using process, a belt pressing wheel is generally arranged in the middle of the belt to press the belt, and the friction force is ensured by increasing the pulling force; when the roots of the ground remained after the crops are harvested are tidied, the grass chopper device needs higher rotating speed for trimming, a belt in the use process of the grass chopper with higher rotating speed is easy to fatigue and seriously worn, the use period of the belt is shorter, and the service life of a machine body and the integral quality of a product are influenced; the small grass chopper device for weeding in the agricultural land is provided through reasonable design; the vertical shaft engine, the centrifugal clutch and the straight gear gearbox are arranged up and down, so that the transverse transmission distance between the gearbox and the cutter can be shortened, the turning radius can be reduced, and the operation flexibility is improved; the resistance caused by transmission friction is reduced, the service life of a transmission part is prolonged, and the integral quality of a product is ensured.
In order to achieve the purpose, the invention adopts the following technical scheme that the small grass chopper device for weeding in agricultural lands comprises: the device comprises a vertical shaft engine, a centrifugal clutch, a gearbox, a traveling wheel shaft, a cutter shaft, a main shaft, a cutter shaft wheel, a frame, a cutter transmission shaft, a cutter driven wheel, a cutter shaft transmission wheel, a protective cover, a cutter main shaft wheel, a blade shaft, a blade shaft disc, a grass chopping limiting wheel, a traveling wheel, a bogie and a handle; the lower end of an output shaft of the vertical shaft engine is provided with a centrifugal clutch, the lower end of the centrifugal clutch is provided with a gearbox, the shell of the gearbox is in a nail shape, and the middle part of the rear end of the gearbox is provided with a walking gearbox; the front end of the gearbox is provided with a frame, a cutter transmission shaft is arranged above the frame, and two ends of the cutter transmission shaft are respectively provided with a cutter driven wheel and a cutter shaft transmission wheel; the rear end of the gearbox is provided with a bogie, and the upper end of the bogie is provided with a handle; the front end of the rack is provided with a protective cover, guard plates on two sides of the protective cover are provided with a pair of cutter supports, a cutter main shaft is arranged between the centers corresponding to the pair of cutter supports, the middle part of the cutter main shaft is uniformly provided with at least two blade shaft discs, at least two pairs of shaft holes are correspondingly reserved in the two adjacent blade shaft discs, blade shafts are respectively arranged in the at least two pairs of shaft holes, two ends of each blade shaft are arranged outside the blade shaft discs, two ends of each blade shaft are respectively provided with a pin hole, and a pin shaft is arranged in each pin hole; a pair of grass chopping limiting wheels are symmetrically arranged on two sides of the cutter bracket;
at least two movable blades are uniformly distributed on the blade shafts to form a group, the blades are provided with a pair of outwardly bent cutting edges, and the positions of the movable blades on two adjacent blade shafts are staggered; one end of the cutter main shaft is provided with a cutter main shaft wheel, and the cutter main shaft wheel and the rotation center of the cutter driven wheel are correspondingly arranged; a transmission chain or a transmission belt is arranged between the cutter main shaft wheel and the cutter driven wheel;
a travelling wheel shaft, a main shaft and a cutter shaft are transversely arranged in parallel in the gearbox, a pair of transmission angle gears are correspondingly arranged between the lower end of an output shaft of the centrifugal clutch and the middle part of the main shaft, travelling transmission gears and cutter transmission gears of the cutter transmission shaft are respectively arranged on two sides of the angle gear of the main shaft, and the angle gear, the travelling transmission gear and the cutter transmission gear on the main shaft are coaxially arranged;
a walking wheel shaft is arranged in the walking gear box at the rear part of the gear box, a walking driven gear is arranged at the center of the walking wheel shaft, and a pair of walking wheels are symmetrically arranged at two ends of the walking wheel shaft; the walking transmission gear and the walking driven gear on the main shaft are arranged correspondingly in a clutch mode; a cutter driven gear is arranged on the cutter shaft, and a cutter transmission gear and the cutter driven gear on the main shaft are arranged correspondingly in a clutch manner; the gear of the gearbox is respectively provided with a neutral gear, a forward gear and a forward gear grass chopping gear;
one side of the gearbox is provided with a preformed hole corresponding to one end of the cutter shaft, the cutter shaft is arranged in the hole, and a cutter shaft wheel is arranged at the end part of a shaft head of the cutter shaft; the cutter shaft wheel is arranged corresponding to the rotation center of the cutter shaft driving wheel, and a driving chain or a driving belt is arranged between the cutter shaft wheel and the cutter shaft driving wheel.
Has the advantages that: the vertical shaft engine, the centrifugal clutch and the straight gear gearbox are arranged up and down, so that the transverse transmission distance between the gearbox and the cutter can be shortened, the turning radius can be reduced, and the operation flexibility is improved; the resistance caused by transmission friction is reduced, the service life of a transmission part is prolonged, and the integral quality of a product is ensured.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the assembly structure;
FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;
FIG. 3 is a schematic view of the transmission of FIG. 1;
in fig. 1, 2, 3: the device comprises a vertical shaft engine 1, a centrifugal clutch 2, a gearbox 3, a traveling wheel shaft 3-1, a cutter shaft 3-2, a main shaft 3-3, a cutter shaft wheel 3-4, a frame 4, a cutter transmission shaft 5, a cutter driven wheel 5-1, a cutter shaft transmission wheel 5-2, a protective cover 6, a cutter main shaft 7, a cutter main shaft wheel 7-1, a blade shaft 7-2, a blade 7-3, a blade shaft disc 7-4, a grass chopping limiting wheel 8, a traveling wheel 9, a bogie 10 and a handle 11.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
the lower end of an output shaft of the vertical shaft engine 1 is provided with a centrifugal clutch 2, the lower end of the centrifugal clutch 2 is provided with a gearbox 3, the shell of the gearbox 3 is in a nail shape, and the middle part of the rear end of the gearbox 3 is provided with a walking gearbox; the front end of the gearbox 3 is provided with a frame 4, a cutter transmission shaft 5 is arranged above the frame 4, and two ends of the cutter transmission shaft 5 are respectively provided with a cutter driven wheel 5-1 and a cutter shaft transmission wheel 5-2; a bogie 10 is arranged at the rear end of the gearbox 3, and a handle 11 is arranged at the upper end of the bogie 10; the front end of a rack 4 is provided with a protective cover 6, guard plates on two sides of the protective cover 6 are provided with a pair of cutter supports, a cutter main shaft 7 is arranged between the centers corresponding to the pair of cutter supports, the middle part of the cutter main shaft 7 is uniformly provided with at least two blade shaft discs 7-4, at least two pairs of shaft holes are correspondingly reserved on two adjacent blade shaft discs 7-4, the blade shafts 7-2 are respectively arranged in the at least two pairs of shaft holes, two ends of the blade shafts 7-2 are arranged outside the blade shaft discs 7-4, two ends of the blade shafts 7-2 are respectively provided with pin holes, and pin shafts are arranged in the pin holes; a pair of grass chopping limiting wheels 8 are symmetrically arranged on two sides of the cutter bracket;
at least two movable blades 7-3 are uniformly distributed on the blade shafts 7-2 to form a group, the blades 7-3 are provided with a pair of outwardly bent blades, and the positions of the movable blades 7-3 on the two adjacent blade shafts 7-2 are staggered; one end of the cutter spindle 7 is provided with a cutter spindle wheel 7-1, and the cutter spindle wheel 7-1 is arranged corresponding to the rotation center of the cutter driven wheel 5-1; a transmission chain or a transmission belt is arranged between the cutter main shaft wheel 7-1 and the cutter driven wheel 5-1;
a walking wheel shaft 3-1, a main shaft 3-3 and a cutter shaft 3-2 are transversely arranged in parallel in the gearbox 3, a pair of transmission angle gears are correspondingly arranged between the lower end of an output shaft of the centrifugal clutch 2 and the middle part of the main shaft 3-3, walking transmission gears and cutter transmission gears of the cutter transmission shaft are respectively arranged on two sides of the angle gear of the main shaft 3-3, and the angle gear, the walking transmission gear and the cutter transmission gear on the main shaft 3-3 are coaxially arranged;
a traveling gear box at the rear part of the gear box 3 is provided with a traveling wheel shaft 3-1, a traveling driven gear is arranged at the center of the traveling wheel shaft 3-1, and a pair of traveling wheels 9 are symmetrically arranged at two ends of the traveling wheel shaft 3-1; a walking transmission gear and a walking driven gear on the main shaft 3-3 are arranged correspondingly in a clutch type; a cutter driven gear is arranged on the cutter shaft 3-2, and a cutter transmission gear and the cutter driven gear on the main shaft 3-3 are arranged correspondingly in a clutch manner; the gear of the gearbox 3 is respectively provided with a neutral gear, a forward gear and a forward gear grass chopping gear;
one side of the gearbox 3 corresponds to one end of the cutter shaft 3-2 to be provided with a hole, the cutter shaft 3-2 is arranged in the hole, and the end part of the shaft head of the cutter shaft 3-2 is provided with a cutter shaft wheel 3-4; the cutter shaft wheel 3-4 is arranged corresponding to the rotation center of the cutter shaft transmission wheel 5-2, and a transmission chain or a transmission belt is arranged between the cutter shaft wheel 3-4 and the cutter shaft transmission wheel 5-2.
Claims (5)
1. A small grass chopper device for weeding in agricultural land comprises: the device comprises a vertical shaft engine (1), a centrifugal clutch (2), a gearbox (3), a traveling wheel shaft (3-1), a cutter shaft (3-2), a main shaft (3-3), a cutter shaft wheel (3-4), a frame (4), a cutter transmission shaft (5), a cutter driven wheel (5-1), a cutter shaft transmission wheel (5-2), a protective cover (6), a cutter main shaft (7), a cutter main shaft wheel (7-1), a blade shaft (7-2), a blade (7-3), a blade shaft disc (7-4), a grass chopping limit wheel (8), a traveling wheel (9), a bogie (10) and a handle (11); the method is characterized in that: the lower end of an output shaft of the vertical shaft engine (1) is provided with a centrifugal clutch (2), the lower end of the centrifugal clutch (2) is provided with a gearbox (3), the shell of the gearbox (3) is in a nail shape, and the middle part of the rear end of the gearbox (3) is provided with a walking gearbox; the front end of the gearbox (3) is provided with a rack (4), a cutter transmission shaft (5) is arranged above the rack (4), and two ends of the cutter transmission shaft (5) are respectively provided with a cutter driven wheel (5-1) and a cutter shaft transmission wheel (5-2); a bogie (10) is arranged at the rear end of the gearbox (3), and a handle (11) is arranged at the upper end of the bogie (10); the front end of a rack (4) is provided with a protective cover (6), guard plates on two sides of the protective cover (6) are provided with a pair of cutter supports, a cutter main shaft (7) is arranged between the centers corresponding to the pair of cutter supports, the middle part of the cutter main shaft (7) is uniformly provided with at least two blade shaft discs (7-4), at least two pairs of shaft holes are correspondingly reserved in the two adjacent blade shaft discs (7-4), blade shafts (7-2) are respectively arranged in the at least two pairs of shaft holes, two ends of each blade shaft (7-2) are arranged outside the corresponding blade shaft disc (7-4), two ends of each blade shaft (7-2) are respectively provided with pin holes, and pin shafts are arranged in the pin holes; a pair of grass chopping limiting wheels (8) is symmetrically arranged on two sides of the cutter bracket.
2. A mini-mower apparatus for weeding in agricultural land according to claim 1, wherein: at least two movable blades (7-3) are uniformly distributed on the blade shafts (7-2) to form a group, the blades (7-3) are provided with a pair of outwardly bent cutting edges, and the positions of the movable blades (7-3) on two adjacent blade shafts (7-2) are staggered; one end of the cutter main shaft (7) is provided with a cutter main shaft wheel (7-1), and the cutter main shaft wheel (7-1) is arranged corresponding to the rotation center of the cutter driven wheel (5-1); a transmission chain or a transmission belt is arranged between the cutter main shaft wheel (7-1) and the cutter driven wheel (5-1).
3. A mini-mower apparatus for weeding in agricultural land according to claim 1, wherein: a walking wheel shaft (3-1), a main shaft (3-3) and a cutter shaft (3-2) are transversely arranged in parallel in the gearbox (3), a pair of transmission angle gears are correspondingly arranged between the lower end of an output shaft of the centrifugal clutch (2) and the middle of the main shaft (3-3), walking transmission gears and cutter transmission gears of a cutter transmission shaft are respectively arranged on two sides of the angle gear of the main shaft (3-3), and the angle gear, the walking transmission gears and the cutter transmission gears on the main shaft (3-3) are coaxially arranged.
4. A mini-mower apparatus for weeding in agricultural land according to claim 1, wherein: a traveling gear shaft (3-1) is arranged in the traveling gear box at the rear part of the gear box (3), a traveling driven gear is arranged at the center of the traveling gear shaft (3-1), and a pair of traveling wheels (9) is symmetrically arranged at two ends of the traveling gear shaft (3-1); the walking transmission gear and the walking driven gear on the main shaft (3-3) are arranged correspondingly in a clutch mode; a cutter driven gear is arranged on the cutter shaft (3-2), and a cutter transmission gear and the cutter driven gear on the main shaft (3-3) are arranged correspondingly in a clutch manner; the gear of the gearbox (3) is respectively provided with a neutral gear, a forward gear and a forward gear grass chopping gear.
5. A mini-mower apparatus for weeding in agricultural land according to claim 1, wherein: one side of the gearbox (3) is provided with a hole corresponding to one end of the cutter shaft (3-2), the cutter shaft (3-2) is arranged in the hole, and the end part of the shaft head of the cutter shaft (3-2) is provided with a cutter shaft wheel (3-4); the cutter shaft wheel (3-4) is arranged corresponding to the rotation center of the cutter shaft transmission wheel (5-2), and a transmission chain or a transmission belt is arranged between the cutter shaft wheel (3-4) and the cutter shaft transmission wheel (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120172530.XU CN214757694U (en) | 2021-01-21 | 2021-01-21 | Small weeding grass chopper device for agricultural farmland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120172530.XU CN214757694U (en) | 2021-01-21 | 2021-01-21 | Small weeding grass chopper device for agricultural farmland |
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| Publication Number | Publication Date |
|---|---|
| CN214757694U true CN214757694U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120172530.XU Active CN214757694U (en) | 2021-01-21 | 2021-01-21 | Small weeding grass chopper device for agricultural farmland |
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| Country | Link |
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| CN (1) | CN214757694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112753295A (en) * | 2021-01-21 | 2021-05-07 | 洛阳精匠机械有限公司 | Using method of small-sized grass chopper device for weeding in agricultural land |
-
2021
- 2021-01-21 CN CN202120172530.XU patent/CN214757694U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112753295A (en) * | 2021-01-21 | 2021-05-07 | 洛阳精匠机械有限公司 | Using method of small-sized grass chopper device for weeding in agricultural land |
| CN112753295B (en) * | 2021-01-21 | 2024-04-30 | 洛阳精匠机械有限公司 | Application method of small weeding machine device for agricultural farmland |
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