CN221058707U - Rice drought direct seeding tectorial membrane device and rice drought direct seeding machine - Google Patents
Rice drought direct seeding tectorial membrane device and rice drought direct seeding machine Download PDFInfo
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- CN221058707U CN221058707U CN202322101319.0U CN202322101319U CN221058707U CN 221058707 U CN221058707 U CN 221058707U CN 202322101319 U CN202322101319 U CN 202322101319U CN 221058707 U CN221058707 U CN 221058707U
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- 238000010899 nucleation Methods 0.000 title claims abstract description 62
- 241000209094 Oryza Species 0.000 title claims abstract description 48
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 48
- 235000009566 rice Nutrition 0.000 title claims abstract description 48
- 210000002489 tectorial membrane Anatomy 0.000 title claims description 3
- 238000009331 sowing Methods 0.000 claims abstract description 37
- 238000010030 laminating Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 3
- 238000000429 assembly Methods 0.000 claims 3
- 239000007888 film coating Substances 0.000 claims 1
- 238000009501 film coating Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 239000002362 mulch Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to a paddy rice dry direct seeding and film covering device and a paddy rice dry direct seeding machine, which comprise a mobile machine body and a machine tool system, wherein the machine tool system comprises a machine tool frame, and the machine tool frame is provided with: the ridging and sowing mechanism is used for forming a plurality of parallel continuous ridges and furrows on the field and forming a sowing belt by directly sowing rice seeds in the furrows in a dry manner; the mulching mechanism is arranged at the downstream of the working procedure of the ridging sowing mechanism and is used for paving mulching films on the sowing belt and pressing the mulching films to attach the sowing belt; comprising the following steps: the film roll bracket is arranged on the machine frame; the mulching film roller is wound with mulching films, is vertically arranged above the ridges and the furrows and is detachably and rotatably arranged on the film roller bracket; and the film collecting assembly is used for extracting the mulching film and obliquely pressing the mulching film on the operation path so as to narrow the mulching film and attach the mulching film to the seeding belt. The utility model narrows the mulch film wider than the mechanical sowing width, so that the mulch film is tightly attached to the sowing belt, thereby ensuring the rice seeds to germinate, penetrate the film and emerge, and having higher social use value and application prospect.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, in particular to a rice dry direct seeding and film covering device and a rice dry direct seeding machine.
Background
With the continuous increase of climate change and industrial and urban water consumption, the contradiction between the limited water resource and agricultural water is increasingly stressed, and the cultivation with drought resistance, water saving, light weight, simple structure, high yield and high efficiency becomes the trend of modern agriculture development. The rice film-covered dry direct seeding is a cultivation mode for saving water, saving cost and improving efficiency.
At present, the automation degree of the rice film-covered dry direct seeding machine is lower, and the advantages of the rice film-covered dry direct seeding cultivation are difficult to fully develop. The film mulching and direct seeding of rice requires that the film mulching clings to the soil surface of a seeding belt when the rice is sown, and the film is covered with soil with a certain thickness; however, as the rice film-covered dry direct seeding is ridging furrow seeding, the film-covered is wavy, the film-covered device of the traditional film-covered hole-free dry direct seeding machine is unreasonable in design, and the narrowing amount is insufficient during film covering, so that the mulching film above a seeding belt is suspended.
Therefore, we provide a paddy rice dry direct seeding and film covering device and a paddy rice dry direct seeding machine.
Disclosure of utility model
The embodiment of the application provides a rice drought direct seeding and film covering device and a rice drought direct seeding machine, which at least solve the problems that in the prior art, the film covering device is unreasonable in design, the film is narrowed in a film covering process, so that a mulching film above a seeding belt is suspended, even if the mulching film is pressed and covered by a film pressing wheel, the mulching film can shrink and spring to form suspension, so that rice seeds cannot penetrate the film to emerge, the seedling shortage and the ridge breakage are serious, and the yield is reduced.
The utility model provides a paddy rice dry direct seeding film covering device, which comprises a mobile machine body moving along a working path and an implement system arranged at the rear side of the mobile machine body in the moving direction, wherein the implement system comprises an implement frame, and the implement frame is provided with:
The ridging and sowing mechanism is used for forming a plurality of parallel continuous ridges and furrows on the field and forming a sowing belt by directly sowing rice seeds in the furrows in a dry manner;
The mulching mechanism is arranged at the downstream of the working procedure of the ridging sowing mechanism and is used for paving mulching films on the sowing belt and pressing the mulching films to attach the sowing belt; comprising the following steps: the film roll bracket is arranged on the machine frame; the mulching film roller is wound with mulching films, is vertically arranged above the ridges and the furrows and is detachably and rotatably arranged on the film roller bracket; and the film collecting assembly is used for extracting the mulching film and obliquely pressing the mulching film on the operation path so that the mulching film is narrowed and attached to the seeding belt.
Optionally, the film collecting assembly includes: the wheel frame is arranged at one side of the machine frame, which is away from the moving direction of the mobile machine body; the number of the pressing wheels is a plurality, and the pressing wheels are rotatably arranged on the wheel frames and used for pressing and covering the mulching film on the seeding belt; the number of the film collecting rollers is a plurality, the film collecting rollers are horizontally and obliquely arranged on the wheel frame and roll to contact the lower end of the mulching film roller, and the film collecting rollers are respectively matched and roll in the ditch; the free end of the mulching film bypasses a plurality of pressing wheels and is paved and covered on the seeding belt after being rolled and extracted along with the pressing wheels, and then the mulching film is narrowed by a film collecting roller which is horizontally and obliquely arranged so as to enable the mulching film to be attached to the seeding belt.
Further, optionally, the film collecting roller includes: the middle wheels are at least one in number and matched and rolled in the grooves in the middle; the membrane guiding oblique wheels are symmetrically rolled in grooves at two sides of the middle wheel respectively, and the lower ends of the membrane guiding oblique wheels are inclined outwards horizontally so as to press and collect the side edges of the mulching film.
Further, optionally, the film roller support is hinged on the machine frame to enable the film roller to contact the film collecting roller, and the two ends of the inner portion of the film roller support are provided with adjusting arms which are telescopically fixed to adapt to the film width of the film roller and replace the film roller.
Further optionally, the adjusting arm includes: the adjusting screw is inserted into the free end of the film roll bracket in a threaded manner, and the bolt end of the adjusting screw is positioned at the outer side of the film roll bracket and is fixedly provided with a manual adjusting knob; the roller positioning arm is arranged at the other end of the adjusting screw; the step part is fixedly arranged on one side of the roller positioning arm, which is close to the adjusting screw rod; wherein, the roller positioning arms of two adjusting arms are respectively inserted into the two ends of the mulching film roller to provide support for the mulching film roller.
Optionally, the wheel frame is hinged on the machine frame, and the wheel frame is connected with the machine frame through a plurality of tension springs, so that the film collecting roller and the ground keep stable pressure to enable the mulching film to be attached to the seeding belt.
In a second aspect, an embodiment of the utility model provides a paddy rice dry direct seeding machine, which is provided with the paddy rice dry direct seeding film covering device and further comprises a lifting assembly; the lifting components are fixed on the movable machine body in a plurality, and the output ends of the lifting components are connected with the machine frame to drive the machine frame to lift.
The utility model has the following advantages:
The mulch film roller synchronously rotates along with the mulch film collecting roller under the dead weight, the free end of the mulch film bypasses the horizontal inclined mulch film collecting roller and is paved and pressed on the ditched ridges along with uninterrupted extraction of the mulch film collecting roller, so that the mulch film is attached to a sowing belt formed in the ditches by dry direct seeding rice seeds, the mulch film wider than a mechanical sowing width is narrowed, the mulch film is attached to the undulating surface sowing belt, no gap exists between the rice seeds and the mulch film, the sprouting, film penetrating and seedling emergence of rice seeds are ensured, and the seedling emergence rate is high.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a dry direct paddy planter according to the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the rice dry direct seeding machine.
Fig. 3 is a schematic structural diagram of the rice dry direct seeding and film covering device provided by the utility model.
Fig. 4 is a schematic diagram of a part of a dry direct seeding and film covering device for paddy rice.
Fig. 5 is a schematic diagram of a combined structure of an adjusting arm, a mulching film roller and a mulching film roller bracket in the utility model.
Fig. 6 is a schematic view of a combined structure of a mobile body, a tool frame and a lifting assembly in the present utility model.
Fig. 7 is a schematic structural view of the ridging and sowing mechanism in the present utility model.
Reference numerals illustrate: the power system, the mobile machine body 10, the walking caterpillar 101 and the machine body shell 102;
The machine comprises a machine system, a machine frame 201, a machine shell 202, a lifting assembly 203, a film covering mechanism 30 and a ridging sowing mechanism 60;
The mulch film laminating mechanism 30, a mulch film roller 301, a mulch film roller bracket 302, a mulch film guiding oblique wheel 303, a middle wheel 304, a pressing wheel 305, a wheel frame 306, an adjusting arm 307, an adjusting screw 3071, a roller positioning arm 3072 and a step part 3073;
A ridging and sowing mechanism 60, a front soil retaining plate 601, a ridge forming part 602, a trench bottom forming part 603, a soil gathering part 604 and a seed guide groove 605.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
The utility model provides a paddy rice dry direct seeding film laminating device, as shown in figures 1 and 2, comprising a mobile machine body 10 moving along a working path and an implement system arranged at the rear side of the mobile machine body 10 in the moving direction, wherein the implement system comprises an implement frame 201, further, an integral protective implement shell 202 is arranged on the implement frame 201, and the implement frame 201 is provided with:
Referring to fig. 7, a ridging and sowing mechanism 60 is used for forming a plurality of parallel and continuous ridges a and furrows b on a field and forming a sowing belt by dry direct sowing of rice seeds in the furrows b; comprises a ditch ridge plate, a front soil retaining plate 601 and a seed guide groove 605; the front soil retaining plate 601 is arranged on one side of the ditch ridge plate, which is close to the mobile machine body 10, and a plurality of parallel and continuous ridges a and ditches b are formed on the ditch ridge plate by forming a plurality of parallel and alternately arranged ridge forming parts 602 and ditch bottom forming parts 603; the seed guide grooves 605 are respectively arranged on the ditch bottom forming part 603 and penetrate through the ditch bottom forming part 603 to form a sowing belt in the ditch b for dry direct seeding of rice seeds; a plurality of soil gathering parts 604 corresponding to the positions of the ridge forming parts 602 are formed on one side of the front soil retaining plate 601 close to the mobile machine body 10, and the soil gathering parts 604 are of funnel or semi-funnel structures with gradually reduced openings from the ditch bottom forming parts 603 to the ridge forming parts 602, so that soil opened in the ditch b is gathered and piled up on the ridge a to form a ridge;
in the technical solution of the above embodiment, the mobile machine body 10 carries the implement system to operate in the field, so as to drive the plurality of parallel and alternately arranged ridge forming portions 602 and ditch bottom forming portions 603 to form a plurality of parallel and continuous ridges a and ditches b on the field during the advancing process, and then the paddy rice dry direct seeding is correspondingly performed in the ditches b through the seed guide grooves 605 to form the seeding belt.
In this embodiment, as shown in fig. 3-5, the mulching mechanism 30 is disposed downstream of the ridging and seeding mechanism 60, and is configured to lay a mulching film onto the seeding belt and press the mulching film to attach the seeding belt thereto; comprising the following steps: a film roll bracket 302 provided on the tool frame 201; a mulching film roller 301 around which mulching film is wound, and which is vertically disposed above the plurality of ridges a and furrows b and detachably rotatably mounted on the film roller bracket 302; the film collecting assembly is used for extracting the mulching film and obliquely pressing the mulching film on the operation path so that the mulching film is narrowed and attached to the seeding belt;
Specifically, referring to fig. 4 and 5, the film collecting assembly includes: the wheel frame 306 is arranged on one side of the tool frame 201, which is away from the moving direction of the mobile machine body 10; the number of the pressing wheels 305 is a plurality, and the pressing wheels are rotatably arranged on the wheel frames 306 and are used for pressing the mulching films on the seeding strips; the number of the film collecting rollers is a plurality, the film collecting rollers are horizontally and obliquely arranged on the wheel frame 306 and roll to contact the lower end of the mulching film roller 301, and the film collecting rollers are respectively matched and roll in the ditch b; the free end of the mulching film bypasses a plurality of pressing wheels 305, rolls and extracts along with the pressing wheels 305, then is paved and covered on a seeding belt, and then the mulching film is narrowed by a film collecting roller which is horizontally and obliquely arranged so as to enable the mulching film to be attached to the seeding belt;
In this embodiment, as shown in fig. 3 and 4, the film collecting roller includes: the middle wheels 304 are at least one in number and matched and rolled in the grooves b positioned in the middle; the number of the film guiding oblique wheels 303 is a plurality, the film guiding oblique wheels 303 symmetrically roll in grooves b positioned at two sides of the middle wheel 304 respectively, and the lower ends of the film guiding oblique wheels 303 are all inclined outwards horizontally so as to press and collect the side edges of the mulching film;
In the technical scheme of the embodiment, the mobile machine body 10 carries the machine tool system to operate in the field, the ridging sowing mechanism 60 opens continuous furrows and sows the rice seeds in the furrows b in a dry and direct manner to form sowing belts, then the pressing wheel 305 and the film collecting roller positioned at the downstream of the operation roll in the furrows b, the film collecting roller 301 rotates synchronously with the film collecting roller under the dead weight to place films, the free ends of the films bypass the pressing wheel 305 and are paved and covered on the opened furrows after being extracted by the pressing wheel 305, the films are attached to the dry and direct sowing rice seeds in the furrows b, then the film collecting roller arranged in a horizontal inclined manner narrows the films to enable the films to be attached to the sowing belts, no gaps exist between the rice seeds and the films, the films penetrate through to emerge when the rice seeds germinate, and the emergence rate is high.
Specifically, the middle wheel 304 is arranged perpendicular to the ground, the film guiding inclined wheels 303 are respectively inclined outwards when installed, the rotation direction of the film collecting roller is consistent with the walking direction, and the width of the ground contact plane of the middle wheel 304 is about 5 cm; the mulching film roller 301 is arranged right above the middle wheel 304 and the film guiding oblique wheel 303.
In the embodiment, the number (N) of the film collecting rollers is the same as the number of sowing lines, and the film collecting rollers are arranged corresponding to the sowing lines; when the number of sowing lines of the sowing machine is odd, the middle wheel is set as a middle wheel 304 and is vertically arranged, the inclination angle between the middle wheel and the ground is 90 degrees, the film guiding oblique wheels 303 are symmetrically arranged at two sides of the middle wheel 304 respectively and respectively incline outwards, and the film guiding oblique wheels 303 at two sides are in symmetrical opposite directions with the inclination angle of the ground; when the number of sowing lines of the sowing machine is even, the two middle wheels are set as middle wheels 304, and the film guiding oblique wheels 303 are symmetrically arranged at two sides of the middle wheels 304 respectively and respectively incline outwards to form a symmetrical opposite direction with the inclination angle of the ground.
Still further, in this embodiment, the total narrowing amount L of the film-collecting roller on the film depends on the inclination α (left inclination angle, right inclination angle) of the film-guiding oblique wheel 303 and the diameter D of the film-guiding oblique wheel 303, wherein D is greater than L, the maximum inclination angle is smaller than 90 °, no film collecting effect is achieved when the inclination angle of the film-guiding oblique wheel 303 is equal to 90 °, and the film-collecting effect is achieved when the inclination angle of the film-guiding oblique wheel 303 is greater than 90 °;
if the film guiding oblique wheel 303 moves for film collection in half cycle, the first-stage narrowing amount of the outermost film guiding oblique wheel 303 is L, the diameter of the film guiding oblique wheel is D, and the inclination angle of the outermost first film guiding oblique wheel 303 is: the inclination angle of the second film guiding oblique wheel 303 from the outermost side to the inner side is as follows: /(I) The inclination angle of the third film guiding oblique wheel 303 from the outermost side to the inner side is as follows: /(I)
Therefore, if the total number of film guiding wheels is N, the inclination angle of the N-th film guiding oblique wheel from the outermost side to the inner side is: if the number of the film guiding wheels is odd, the middle film collecting roller is a middle roller 304, and the inclination angle of the middle film collecting roller is 90 degrees.
Still further, referring to fig. 3-5, the diameter of the film collecting roller is 25cm, the wheel width is 6cm,3 film guiding wheels are arranged vertically, the film guiding inclined wheels 303 on two sides are respectively inclined outwards, the horizontal inclination angle is 82 °, after the film collecting roller is assembled, the film collecting roller can press the mulching film into the ground surface by about 1cm, so that the mulching film is attached to a seeding belt formed in a ditch b of dry direct seeding rice seeds, no gap exists between the rice seeds and the mulching film, the rice seeds penetrate through the film and emerge when sprouting, and the emergence rate is high.
In this embodiment, as shown in fig. 5 and 6, a film roller bracket 302 is hinged on the machine frame 201 to make the film roller 301 contact the film collecting roller, and two ends of the inside of the film roller bracket 302 are provided with adjusting arms 307 which can be telescopically fixed to adapt to the film width of the film roller 301 and to replace the film roller 301; the adjusting arm 307 includes: the adjusting screw 3071 is inserted into the free end of the film roll bracket 302 in a threaded manner, and the bolt end of the adjusting screw is positioned at the outer side of the film roll bracket 302 and is fixedly provided with a manual adjusting knob; a roller positioning arm 3072 provided at the other end of the adjusting screw 3071; a step 3073 fixedly mounted on one side of the roller positioning arm 3072 adjacent to the adjusting screw 3071; wherein the roller positioning arms 3072 of the two adjusting arms 307 are respectively inserted into the insides of both ends of the mulching film roller 301 to provide support to the mulching film roller 301.
In the technical solution of the above embodiment, the distance between the two adjusting arms 307 can be adjusted by rotating and adjusting the manual adjusting knob at the tail end of the two adjusting arms 307, so that the mulching film roller 301 can be removed and replaced under the condition of enough distance on one hand, and on the other hand, the mulching film width of the mulching film roller 30 can be freely adjusted and adapted according to the distance by adjusting the distance, so that the rotation of the mulching film roller 30 is ensured not to deviate.
In this embodiment, as shown in fig. 3-5, the wheel frame 306 is hinged to the machine frame 201, and the wheel frame 306 is connected to the machine frame 201 through a plurality of tension springs, so that the film collecting roller and the ground maintain stable pressure to enable the mulching film to be attached to the seeding belt.
The embodiment of the utility model provides a paddy rice dry direct seeding machine, and referring to fig. 6, the paddy rice dry direct seeding and film covering device further comprises a lifting assembly 203; the number of the lifting components 203 is several and all fixed on the mobile machine body 10, and the output end of the lifting components 203 is connected with the machine frame 201 to drive the machine frame 201 to lift.
It will be appreciated that the mobile machine body 10 carries the implement system to the end of one path in the field, and when the next working path needs to be replaced, the lifting assembly 203 drives the implement rack 201 to lift upwards, so as to lift the implement system upwards, and after the next working path is reached, the lifting assembly 203 drives the implement rack 201 to descend and reset.
In the technical solution of the above embodiment, further, the bottom of the mobile machine body 10 is provided with a walking track 101 for driving the machine body to walk, and the mobile machine body 10 is provided with a machine body shell 102 for integral protection.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (7)
1. The utility model provides a rice drought direct seeding tectorial membrane device, includes mobile organism (10) and the setting of following the removal of operation route in mobile organism (10) direction of movement rear side's tool system, its characterized in that, tool system includes tool frame (201), and is equipped with on tool frame (201):
A ridging and sowing mechanism (60) for forming a plurality of parallel continuous ridges and furrows on the field and forming a sowing belt by directly sowing rice seeds in the furrows in a dry manner;
a mulching mechanism (30) arranged downstream of the ridging and seeding mechanism (60) and used for paving mulching films on the seeding belt and pressing the mulching films to attach the mulching films to the seeding belt; comprising the following steps:
a film roll bracket (302) arranged on the machine frame (201);
A mulching film roller (301) which is wound with mulching film, is vertically arranged above a plurality of ridges and furrows, and is detachably rotatably mounted on the film roller bracket (302);
And the film collecting assembly is used for extracting the mulching film and obliquely pressing the mulching film on the operation path so that the mulching film is narrowed and attached to the seeding belt.
2. The film laminating apparatus as set forth in claim 1, wherein: the membrane collecting assembly comprises:
A wheel frame (306) arranged at one side of the machine frame (201) deviating from the moving direction of the moving machine body (10);
the number of the pressing wheels (305) is a plurality, and the pressing wheels are rotatably arranged on the wheel frames (306) and are used for pressing the mulching film on the seeding belt;
The number of the film collecting rollers is a plurality, the film collecting rollers are horizontally and obliquely arranged on the wheel frame (306) and roll to contact the lower end of the mulching film roller (301), and the film collecting rollers are respectively matched and roll in the ditch;
The free end of the mulching film bypasses a plurality of pressing wheels (305) and rolls and draws along with the pressing wheels (305) to be paved and covered on the seeding belt, and then the mulching film is narrowed by the film collecting rollers which are horizontally and obliquely arranged so that the mulching film is attached to the seeding belt.
3. The film laminating apparatus as set forth in claim 2, wherein: the film collecting roller comprises:
A middle wheel (304) with at least one number and matched rolling in the groove at the middle part;
The number of the film guiding oblique wheels (303) is a plurality, the film guiding oblique wheels are symmetrically rolled in the grooves at the two sides of the middle wheel (304) respectively, and the lower ends of the film guiding oblique wheels (303) are inclined outwards horizontally so as to press and collect the side edges of the mulching film.
4. The film laminating apparatus as set forth in claim 2, wherein: the film roller support (302) is hinged to the machine frame (201) so that the film roller (301) contacts the film collecting roller, and the two ends of the inside of the film roller support (302) are respectively provided with an adjusting arm (307) which can be fixed in a telescopic mode to adapt to the film width of the film roller (301) and replace the film roller (301).
5. The film coating apparatus of claim 4, wherein: the adjusting arm (307) comprises:
The adjusting screw (3071) is inserted into the free end of the film roll bracket (302) in a threaded manner, and the bolt end of the adjusting screw is positioned at the outer side of the film roll bracket (302) and is fixedly provided with a manual adjusting knob;
A roller positioning arm (3072) provided at the other end of the adjusting screw (3071);
A step portion (3073) fixedly mounted on one side of the roller positioning arm (3072) close to the adjusting screw (3071);
wherein, the roller positioning arms (3072) of the two adjusting arms (307) are respectively inserted into the two ends of the mulching film roller (301) to provide support for the mulching film roller (301).
6. The film laminating apparatus as set forth in claim 2, wherein: the wheel frame (306) is hinged to the machine frame (201), and the wheel frame (306) is connected with the machine frame (201) through a plurality of tension springs, so that the film collecting roller and the ground keep stable pressure, and the mulching film is attached to the seeding belt.
7. A rice dry direct seeding machine, which is characterized by comprising the rice dry direct seeding film covering device as claimed in claims 1-6, and further comprising a lifting assembly (203);
The number of the lifting assemblies (203) is a plurality, the lifting assemblies are all fixed on the mobile machine body (10), and the output ends of the lifting assemblies (203) are connected with the machine frame (201) to drive the machine frame (201) to lift.
Priority Applications (1)
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CN202322101319.0U CN221058707U (en) | 2023-08-04 | 2023-08-04 | Rice drought direct seeding tectorial membrane device and rice drought direct seeding machine |
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CN202322101319.0U CN221058707U (en) | 2023-08-04 | 2023-08-04 | Rice drought direct seeding tectorial membrane device and rice drought direct seeding machine |
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CN202322101319.0U Active CN221058707U (en) | 2023-08-04 | 2023-08-04 | Rice drought direct seeding tectorial membrane device and rice drought direct seeding machine |
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