CN214126696U - Automatic rice interline of profile modeling bulldozes formula weeding device and weeding device group - Google Patents
Automatic rice interline of profile modeling bulldozes formula weeding device and weeding device group Download PDFInfo
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- CN214126696U CN214126696U CN202022465883.7U CN202022465883U CN214126696U CN 214126696 U CN214126696 U CN 214126696U CN 202022465883 U CN202022465883 U CN 202022465883U CN 214126696 U CN214126696 U CN 214126696U
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Abstract
The utility model relates to an automatic profiling rice interline push-press type weeding device, which comprises a connecting component, a profiling grass pressing floating plate, a weeding roller and a central shaft; the weeding roller is arranged at the rear end of the profiling grass pressing floating plate through a central shaft, and the profiling grass pressing floating plate is connected to the walking platform through a connecting assembly; the lower end of the profiling grass pressing floating plate is provided with a plane for profiling and grass pressing. Also relates to an automatic profiling rice interline push-press type weeding device group. The utility model provides the high weeding effect avoids hindering the root, belongs to intelligent agricultural machine field.
Description
Technical Field
The utility model relates to an intelligent agricultural machine field, in particular to automatic rice interline of profile modeling bulldozes formula weeding device and weeding device group.
Background
Rice is one of the main food crops in China, and the planting area of the rice accounts for 1/5 all over the world. The weeds in the paddy field compete with rice for growth space, air, sunlight, nutrients and the like, and are one of the main factors influencing the yield of the rice. The yield loss rate of rice caused by weeds in China is more than 15% every year. Therefore, weed control is of great significance in increasing rice yield. At present, the weeding method commonly used in China is chemical weeding, the chemical weeding saves time, the cost is low, the labor intensity is low, the implementation is strong, but the pesticide utilization rate is low, the environment pollution is serious, the weed is harmful to human bodies, and meanwhile, the drug resistance of weeds is enhanced. With the improvement of living standard of people, organic rice receives more and more attention, and the planting area of the organic rice in China is increased year by year. Non-chemical weeding is needed when weeding the organic paddy field so as to ensure the quality and the edible safety of the organic paddy field. Mechanical weeding is to be a main weeding mode in non-chemical weeding.
The mechanical weeding among the rows of the rice fields mostly adopts a weeding mode of burying and pressing weeds into muddy water to isolate the weeds from sunlight and air, and weeding modes such as rotation, throwing cutting, drawing and the like. Mechanical weeding devices among rice rows have been developed at home and abroad. The mechanized weeding level of the Japanese paddy rice is highest, and the MSJ-4 type and SMW type stepping paddy field weeder and Mitsubishi riding paddy field weeder developed by the Japanese manufacturing enterprises all adopt passive weeding rollers to remove weeds among rows; well shut SJ-6(8) IVZ series, Marseilles SJVP series and jubaoya SJ-6(8) N series take-up paddy field weeder row-to-row weeding all adopt active rotary rake teeth. The paddy field weeder is applied to the production of rice, but the weeding rate still needs to be further improved. For an organic rice intertillage weeder developed by domestic weeding machinery, King Jinwu and the like, a weeding cage is adopted for inter-row weeding; the Liu Yong Jun and the like design a grid type paddy field interline weeding device which can complete operations such as burying, pressing, turning and the like at one time; a3 GY-1920 type wide-width paddy field cultivator developed by Qilong et al adopts a spiral cutter tooth type weeding roller to weed in rows, and can shear and turn over weeds and soil. In addition, zilong and the like design a hand-held stepping type trailing and pressing weeding machine, and the inter-row weeding device is an active rotary type rake tooth. The paddy field weeder has certain effect of weeding among rows, but still has the problems of low emergence rate, seedling damage and the like. And no mature paddy field weeding machine exists at home up to now.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: provided are an automatic profiling rice interline push type weeding device and a weeding device set with higher weeding efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic profiling rice interline push-type weeding device comprises a connecting assembly, a profiling grass pressing floating plate, a weeding roller and a central shaft; the weeding roller is arranged at the rear end of the profiling grass pressing floating plate through a central shaft, and the profiling grass pressing floating plate is connected to the walking platform through a connecting assembly; the lower end of the profiling grass pressing floating plate is provided with a plane for profiling and grass pressing.
Preferably, the profiling grass pressing floating plate comprises an upper plate, a lower plate, a front inclined plate, a front plate, a rear plate and two side plates; the upper plate, the front inclined plate, the lower plate and the rear plate are sequentially connected, the rear plate is connected with the upper plate, and the side plates are positioned at the left side and the right side, so that a box body structure is defined by the front sections of the two side plates, the upper plate, the lower plate, the front inclined plate, the front plate and the rear plate; the lower plate forms a plane for profiling and pressing grass; the front sloping plate inclines from the front upper part to the rear lower part to form a grass pushing structure; the weeding roller is arranged at the rear section of the side plate.
Preferably, the front ends of the side plates are inclined from the outer rear direction to the inner front direction to form a reel structure.
Preferably, the weeding roller comprises weeding disks and weeding cutter teeth, the two weeding disks are arranged at intervals in the left-right direction, the weeding cutter teeth are arranged between the two weeding disks, the weeding cutter teeth are uniformly arranged along the circumference, and the weeding cutter teeth surround a hollow frame structure.
Preferably, the weeding cutter teeth are strip-shaped blades twisted into a spiral shape; weeding sword tooth includes spiral section, slope section, radial section, and the spiral section extends along left right direction, and radial section meets and along weeding disc radial setting, thereby spiral section and radial section are connected to the slope section and the tip formation of weeding sword tooth is narrowed the structure at weeding sword tooth, and the slope section can avoid weeding sword tooth at the damage of weeding in-process to the rice root.
Preferably, the connecting assembly comprises a bracket, a connecting frame, a rack, a tension spring and an automatic profiling system, wherein the automatic profiling system comprises a profiling adjusting mechanism; the rear lower end of the bracket is rotatably connected with the profiling grass pressing floating plate, the connecting position is coaxial with the central shaft, the middle section of the bracket is rotatably connected with the lower end of the connecting frame, the front upper end of the bracket is connected with the front lower end of the profiling adjusting mechanism, the rear upper end of the profiling adjusting mechanism is rotatably connected with the middle section of the connecting frame, and the upper end of the connecting frame is fixedly connected with the rack; a tension spring is arranged between the lower section of the bracket and the rear end of the profiling grass pressing floating plate, and a tension spring is arranged between the front end of the bracket and the upper end of the connecting frame.
Preferably, the automatic profiling system further comprises a displacement sensor and a controller, wherein the displacement sensor is arranged between the lower section of the bracket and the rear end of the profiling grass pressing floating plate; the profiling adjusting mechanism is an oil cylinder or an electric push rod; the displacement sensor and the profiling adjusting mechanism are electrically connected with the controller.
Preferably, the upper end of the connecting frame is provided with a flat plate, and the U-shaped bolt is connected with the flat plate, so that the U-shaped bolt connects the frame with the connecting frame.
Preferably, the bracket is provided with a limiting block for limiting the rotation position of the profiling grass pressing floating plate; and a limiting pin shaft for limiting the rotating position of the bracket is arranged on the connecting frame.
An automatic profiling rice interline push-press type weeding device set comprises a plurality of groups of automatic profiling rice interline push-press type weeding devices, wherein the groups of weeding devices are sequentially arranged along the left and right directions; the frames of the weeding devices are connected into a whole structure, and the weeding devices share one controller.
The utility model has the advantages of as follows:
1. the weeding device moves forward along the horizontal direction along with the walking platform, so that the weeding device enters the rice rows to weed, the profile modeling grass pressing floating plate firstly presses down the weeds between the rows, the probability that the rear end of the profile modeling grass pressing floating plate presses down the weeds can be improved, and the weeding effect is improved. The weed removing roller presses the pressed weeds into soil.
2. The profiling grass pressing floating plate has three functions of profiling, grass pressing and reel. The front section of the profiling grass pressing floating plate is of a sealed box structure and plays a profiling role in paddy field muddy water; the front sloping plate in front of the lower end of the box body is tilted upwards at a certain angle, weeds are gradually pushed down at the part, and the lower plate is a flat plate and presses down the weeds; the front ends of the side plates are inclined inwards by a certain angle, so that rice can be pulled open when weeding is carried out by the weeding machine, and the weeding roller at the rear end can be prevented from damaging stems and leaves of rice seedlings.
3. The weeding roller has two functions of weeding and preventing roots from being damaged. The weeding cutter teeth are uniformly welded on the weeding disk, and the pressed weeds are rolled into soil. The two ends of the weeding cutter teeth are smaller and have certain-angle inclination, so that the weeding cutter teeth can be ensured to avoid the damage to the roots of rice in the weeding process while the weeding area is enlarged (the weeding area between rows is enlarged).
4. The connecting assembly forms a profiling flexible connection, and the profiling grass pressing floating plate can float on the muddy water surface, so that the automatic profiling function of the weeding device can be realized.
5. The controller controls the profiling adjusting mechanism through information fed back by the displacement sensor, adjusts the states of the weeding roller and the profiling grass-pressing floating plate, and adjusts the operation depths of the profiling grass-pressing floating plate and the weeding roller, so that the non-blocked mud under the profiling grass-pressing floating plate is ensured, the phenomenon that the weeding device sinks too deeply when weeding is carried out on the soft mud surface is prevented, and automatic profiling is ensured.
6. Set up stopper and spacing round pin axle, guarantee weeding device's smooth and easy operation.
7. Adopt U type bolted connection, adjust the distance between the weeding device, adapt to different row spacing, improve weeding device's adaptability.
8. Simple structure and convenient use.
Drawings
FIG. 1 is a side view of an automatic profiling rice inter-row press type weeding device.
FIG. 2 is a perspective view of an automatic profiling rice interline press type weeding device set.
FIG. 3 is a plan view of an automatic profiling rice interline press type weeding device set.
Fig. 4 is a perspective view of the weeding roller.
Fig. 5 is a perspective view of the profiling grass pressing floating plate.
Fig. 6 is an operation state diagram of the weeding apparatus group.
Fig. 7 is an operation state diagram of the weeding roller.
Fig. 8 is a diagram showing a possible sinking phenomenon of the herbicidal device group on a soft mud surface.
The weeding machine comprises a central shaft 1, a tensioning spring 2, a displacement sensor 3, a weeding roller 4, a profiling grass pressing floating plate 5, a limiting pin shaft 6, a support 7, a profiling adjusting mechanism 8, a tensioning spring 9, a rack 10, a connecting frame 11, a U-shaped bolt 12, a controller 13, weeds 14, weeding layer soil 15, rice 16, soft soil 17 and a cable 18.
4-1 is a weeding disk, 4-2 is a spiral section, 4-3 is an inclined section, and 4-4 is a radial section.
5-1 is a side plate, 5-2 is an upper plate, 5-3 is a lower plate, 5-4 is a front inclined plate, and 5-5 is a rear plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
An automatic profiling rice interline push-type weeding device comprises a connecting assembly, a profiling grass pressing floating plate, a weeding roller and a central shaft; the weeding roller is arranged at the rear end of the profiling grass pressing floating plate through a central shaft, and the profiling grass pressing floating plate is connected to the walking platform through a connecting assembly; the lower end of the profiling grass pressing floating plate is provided with a plane for profiling and grass pressing.
The profiling grass pressing floating plate comprises an upper plate, a lower plate, a front inclined plate, a front plate, a rear plate and two side plates; the upper plate, the front inclined plate, the lower plate and the rear plate are sequentially connected, the rear plate is connected with the upper plate, and the side plates are positioned at the left side and the right side, so that a box body structure is defined by the front sections of the two side plates, the upper plate, the lower plate, the front inclined plate, the front plate and the rear plate; the lower plate forms a plane for profiling and pressing grass; the front sloping plate inclines from the front upper part to the rear lower part to form a grass pushing structure; the weeding roller is arranged at the rear section of the side plate. The front ends of the side plates are inclined from the outer back direction to the inner front direction to form a reel structure.
The weeding roller comprises weeding disks and weeding cutter teeth, the two weeding disks are arranged at intervals in the left and right directions, the weeding cutter teeth are arranged between the two weeding disks, the weeding cutter teeth are evenly arranged along the circumference, and the weeding cutter teeth enclose a hollow frame structure. The weeding cutter teeth are strip-shaped blades twisted into a spiral shape; the weeding sword tooth includes spiral section, slope section, radial section, and the spiral section extends along left right direction, and radial section meets and along the radial setting of weeding disc with the weeding disc, thereby spiral section and radial section are connected to the slope section and the tip formation of weeding sword tooth structure is narrowed.
The connecting assembly comprises a bracket, a connecting frame, a rack, a tension spring and an automatic profiling system, wherein the automatic profiling system comprises a profiling adjusting mechanism; the rear lower end of the bracket is rotatably connected with the profiling grass pressing floating plate, the connecting position is coaxial with the central shaft, the middle section of the bracket is rotatably connected with the lower end of the connecting frame, the front upper end of the bracket is connected with the front lower end of the profiling adjusting mechanism, the rear upper end of the profiling adjusting mechanism is rotatably connected with the middle section of the connecting frame, and the upper end of the connecting frame is fixedly connected with the rack; a tension spring is arranged between the lower section of the bracket and the rear end of the profiling grass pressing floating plate, and a tension spring is arranged between the front end of the bracket and the upper end of the connecting frame. The upper end of the connecting frame is provided with a flat plate, and the U-shaped bolt is connected with the flat plate, so that the frame is connected with the connecting frame through the U-shaped bolt. The bracket is provided with a limiting block for limiting the rotation position of the profiling grass pressing floating plate; and a limiting pin shaft for limiting the rotating position of the bracket is arranged on the connecting frame.
The automatic profiling system also comprises a displacement sensor and a controller, wherein the displacement sensor is arranged between the lower section of the bracket and the rear end of the profiling grass pressing floating plate and is used for feeding back the weeding depth of the weeding roller and the pitching state of the profiling grass pressing floating plate; the profiling adjusting mechanism is an oil cylinder or an electric push rod; the displacement sensor and the profiling adjusting mechanism are electrically connected with the controller. The controller receives the information fed back by the displacement sensor and controls the profiling adjusting mechanism to adjust the states of the weeding roller and the profiling grass pressing floating plate. The displacement sensor feedback information is the device of perception at paddy field mud face operation degree of depth information, when weeding the device and carry out weeding work on the soft mud face, the weeding degree of depth of weeding roller deepens, and profile modeling grass-pressing kickboard rises under the effect of muddy water buoyancy, and displacement sensor perception profile modeling grass-pressing kickboard is weeding roller rotation volume relatively. The profiling adjusting mechanism is installed between the front end of the support and the connecting frame, can receive signals sent by the controller and push the front end of the support, upwards lift the weeding roller and the profiling grass pressing floating plate, adjust the weeding depth, thereby ensuring the non-blocked mud under the profiling grass pressing floating plate and preventing the weeding device from sinking too deeply when weeding is carried out on the soft mud surface.
An automatic profiling rice interline push-press type weeding device set comprises three sets of automatic profiling rice interline push-press type weeding devices, wherein the three sets of weeding devices are sequentially arranged along the left and right directions; the frames of the weeding devices are connected into a whole structure, the weeding devices share one controller, and the frames are arranged on the walking platform.
As shown in fig. 6, the weeding device group moves forward in the horizontal direction along the traveling platform, so that the weeding device enters the rice row for weeding. The profiling grass pressing floating plate presses down weeds among rows, and then a weeding roller arranged at the rear end of the profiling grass pressing floating plate presses the weeds into mud. The tail end of the profiling grass pressing floating plate is connected with the tensioning spring of the bracket, so that the profiling grass pressing floating plate has a profiling function, and meanwhile, the force for pressing down weeds is increased. The tensioning spring connected between the front end of the bracket and the connecting frame can enable the weeding roller to have a profiling function and adapt to uneven ground.
As shown in fig. 7, the two ends of the weeding cutter teeth of the weeding roller are inclined at a certain angle, so that the damage of the weeding roller to the roots of rice can be avoided.
As shown in fig. 8, when the weeding device group carries out weeding work on soft mud surface, the weeding depth of the weeding roller is deep, the copying grass-pressing floating plate is raised under the action of mud water buoyancy, and the mud blocking phenomenon can appear under the copying grass-pressing floating plate, so that the advancing resistance of the weeding device is increased, and the weeding effect is influenced. Meanwhile, the stay wire of the displacement sensor is lengthened, the displacement sensor inputs information into the controller, the controller controls the copying adjusting mechanism to extend, the weeding roller is lifted upwards, and the weeding depth is reduced, so that the non-blocking mud below the copying grass-pressing floating plate is ensured, and the phenomenon of sinking and over-depth of the weeding machine during weeding on the soft mud surface is prevented.
In addition to the above-mentioned manner, an automatic profiling rice interline press type weeding device group can be provided with other numbers of weeding devices as required. These variations are all within the scope of the present invention.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides an automatic rice interline of profile modeling bulldozes formula weeding device which characterized in that: comprises a connecting component, a profiling grass pressing floating plate, a grass removing roller and a central shaft; the weeding roller is arranged at the rear end of the profiling grass pressing floating plate through a central shaft, and the profiling grass pressing floating plate is connected to the walking platform through a connecting assembly; the lower end of the profiling grass pressing floating plate is provided with a plane for profiling and grass pressing.
2. An automatically profiling rice row-to-row press type weeding device according to claim 1, wherein: the profiling grass pressing floating plate comprises an upper plate, a lower plate, a front inclined plate, a front plate, a rear plate and two side plates; the upper plate, the front inclined plate, the lower plate and the rear plate are sequentially connected, the rear plate is connected with the upper plate, and the side plates are positioned at the left side and the right side, so that a box body structure is defined by the front sections of the two side plates, the upper plate, the lower plate, the front inclined plate, the front plate and the rear plate; the lower plate forms a plane for profiling and pressing grass; the front sloping plate inclines from the front upper part to the rear lower part to form a grass pushing structure; the weeding roller is arranged at the rear section of the side plate.
3. An automatically profiling rice row-to-row press type weeding device according to claim 2, wherein: the front ends of the side plates are inclined from the outer back direction to the inner front direction to form a reel structure.
4. An automatically profiling rice row-to-row press type weeding device according to claim 1, wherein: the weeding roller comprises weeding disks and weeding cutter teeth, the two weeding disks are arranged at intervals in the left and right directions, the weeding cutter teeth are arranged between the two weeding disks, the weeding cutter teeth are evenly arranged along the circumference, and the weeding cutter teeth enclose a hollow frame structure.
5. An automatically profiling rice row-to-row press type weeding device according to claim 4, wherein: the weeding cutter teeth are strip-shaped blades twisted into a spiral shape; the weeding sword tooth includes spiral section, slope section, radial section, and the spiral section extends along left right direction, and radial section meets and along the radial setting of weeding disc with the weeding disc, thereby spiral section and radial section are connected to the slope section and the tip formation of weeding sword tooth structure is narrowed.
6. An automatically profiling rice row-to-row press type weeding device according to claim 1, wherein: the connecting assembly comprises a bracket, a connecting frame, a rack, a tension spring and an automatic profiling system, wherein the automatic profiling system comprises a profiling adjusting mechanism; the rear lower end of the bracket is rotatably connected with the profiling grass pressing floating plate, the connecting position is coaxial with the central shaft, the middle section of the bracket is rotatably connected with the lower end of the connecting frame, the front upper end of the bracket is connected with the front lower end of the profiling adjusting mechanism, the rear upper end of the profiling adjusting mechanism is rotatably connected with the middle section of the connecting frame, and the upper end of the connecting frame is fixedly connected with the rack; a tension spring is arranged between the lower section of the bracket and the rear end of the profiling grass pressing floating plate, and a tension spring is arranged between the front end of the bracket and the upper end of the connecting frame.
7. An automatically profiling rice row-to-row press type weeding device according to claim 6, wherein: the automatic profiling system also comprises a displacement sensor and a controller, wherein the displacement sensor is arranged between the lower section of the bracket and the rear end of the profiling grass pressing floating plate; the profiling adjusting mechanism is an oil cylinder or an electric push rod; the displacement sensor and the profiling adjusting mechanism are electrically connected with the controller.
8. An automatically profiling rice row-to-row press type weeding device according to claim 6, wherein: the upper end of the connecting frame is provided with a flat plate, and the U-shaped bolt is connected with the flat plate, so that the frame is connected with the connecting frame through the U-shaped bolt.
9. An automatically profiling rice row-to-row press type weeding device according to claim 6, wherein: the bracket is provided with a limiting block for limiting the rotation position of the profiling grass pressing floating plate; and a limiting pin shaft for limiting the rotating position of the bracket is arranged on the connecting frame.
10. The utility model provides an automatic rice interline of profile modeling bulldozes formula weeding device group which characterized in that: an automatic profiling rice row space push type weeding device as claimed in any one of claims 1 to 9, wherein the multiple groups of weeding devices are arranged in sequence along the left-right direction; the frames of the weeding devices are connected into a whole structure, and the weeding devices share one controller.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954119A (en) * | 2021-11-22 | 2022-01-21 | 河南农业大学 | Intelligent bionic weeding machine suitable for wheat field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954119A (en) * | 2021-11-22 | 2022-01-21 | 河南农业大学 | Intelligent bionic weeding machine suitable for wheat field |
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