Rice transplanter and integrated film covering floating plate device

Abstract

The utility model discloses an integrated film covering floating plate device and a rice transplanter, and belongs to the field of rice transplanters, the integrated film covering floating plate device comprises: a film covering mechanism, the film covering mechanism comprises a mounting cover and a film outlet roller; the mounting cover is semi-cylindrical and is used for being mounted to the planting part; the film discharging roller is mounted on the inner side of the mounting cover; the floating plate mechanism is connected to the mounting cover; the floating plate mechanism comprises a rigid floating plate, a feedback assembly and a flexible separation blade; the rigid floating plate is an arc-shaped plate and is rotationally connected to the lower side of the mounting cover, and the rigid floating plate surrounds a partial area in the circumferential direction of the film outlet roller; the feedback assembly is connected with the rigid floating plate; one side of the flexible separation blade is connected to the mounting cover, the other side of the flexible separation blade is connected to the rigid floating plate, and the flexible separation blade surrounds partial area in the circumferential direction of the film outlet roller; when the rigid floating plate rotates, the flexible blocking piece can be twisted or unfolded. According to the floating plate mechanism, the film outlet roller can be effectively protected while the profiling function is achieved.

Description

Technical Field

[0001] This invention relates to the field of rice transplanter technology, and more specifically, to a rice transplanter and an integrated film-covered floating plate device. Background Technology

[0002] A rice transplanter is an agricultural machine used to plant rice seedlings in paddy fields. Some existing rice transplanters are equipped with a mulching device to reduce water evaporation, suppress weed growth, protect soil structure, and improve soil nutrient utilization by covering the soil with plastic film during operation. This also reduces agricultural pollution to the environment, promotes healthy rice growth, and increases yield.

[0003] For example, Chinese patent document (publication number: CN 207167028 U) provides a rice transplanter capable of paper film covering. This transplanter has a press wheel bracket mounted on a side support box, a press wheel mounted on the press wheel bracket, a paper film exit roller bracket mounted on a cross support box, a paper film exit roller mounted on the paper film exit roller bracket, a float bracket mounted below the gearbox and side support box, a float mounted at the lower end of the float bracket, a covering film roller bracket mounted on the float bracket, and a covering film roller mounted on the covering film roller bracket. The covering film roller is located behind the float and in front of the planting arm. This transplanter can simultaneously complete both transplanting and paper film covering during rice transplanting.

[0004] In contrast to the separate design of the floating plate device and the film covering device in related technologies, the aforementioned patented inner film covering roller bracket is directly installed on the floating plate bracket, which further simplifies the space at the bottom of the rice transplanter.

[0005] However, the film-exiting roller in the above-mentioned film covering device often faces the problem of mud splashing interference, which leads to the film not being smoothly discharged. Over time, the film-exiting roller is prone to rusting and becoming brittle. In addition, the floating plate device and the film covering device are prone to interference with each other in some cases.

[0006] The relevant technologies do not provide effective solutions to the above problems. Summary of the Invention

[0007] To address the coordination issues between the floating plate device and the coating device in related technologies, as well as the protection of the film-exiting roller within the coating device, some embodiments of this application provide an integrated coating floating plate device, comprising: a coating mechanism including a mounting cover and a film-exiting roller; the mounting cover is semi-cylindrical and is used for installation onto the insertion part; the film-exiting roller is installed on the inner side of the mounting cover; a floating plate mechanism connected to the mounting cover; the floating plate mechanism includes a rigid floating plate, a feedback component, and a flexible baffle; the rigid floating plate is an arc-shaped plate, rotatably connected to the lower side of the mounting cover, and the rigid floating plate surrounds a portion of the circumferential area of ​​the film-exiting roller; the feedback component is connected to the rigid floating plate; one side of the flexible baffle is connected to the mounting cover, and the other side is connected to the rigid floating plate, and the flexible baffle surrounds a portion of the circumferential area of ​​the film-exiting roller; wherein, when the rigid floating plate rotates, it can twist or unfold the flexible baffle.

[0008] Furthermore, the flexible baffle is made of a transparent material.

[0009] Furthermore, the mounting cover and the rigid floating plate are respectively provided with slots, and a portion of the flexible baffle is detachably inserted into the slot; the flexible baffle is installed into the slot by threaded fasteners.

[0010] Furthermore, the system includes two non-overlapping flexible baffles, with the feedback component disposed between the two flexible baffles.

[0011] Furthermore, one of the flexible baffles is formed with an avoidance notch to avoid the transmission shaft of the insertion part.

[0012] Furthermore, the bottom surface of the rigid float has a plurality of water-guiding ridges, which are arc-shaped and extend longitudinally along the rigid float, and all the water-guiding ridges are parallel to each other.

[0013] Furthermore, the height of the water guide rib is 5mm to 15mm, and the width of the water guide rib is 1.5mm to 3mm.

[0014] Furthermore, both sides of the rigid floating plate are rotatably connected to the mounting cover via connecting rods, at least a portion of which is arc-shaped and fits against the mounting cover.

[0015] Furthermore, the connecting rod includes a first connecting portion and a second connecting portion, the first connecting portion being fitted to the mounting cover; the second connecting portion extending to the lower side of the film exit roller, the second connecting portion including a connecting plate, the connecting plate having a plurality of connecting holes, the side of the rigid float near the pressure roller being hinged to one of the connecting holes in the connecting plate.

[0016] To achieve the above objectives, this application also provides a rice transplanter, including a planting section, a hydraulic solenoid valve, and the integrated film-covering floating plate device described above. The hydraulic system is connected to the planting section to control the lifting and lowering of the planting section. The mounting cover is fixed to the planting section. The film-covering mechanism further includes a film-pressing roller, which is mounted on the outside of the mounting cover.

[0017] Furthermore, the feedback component includes a cable that is movably connected to the mounting cover. One end of the cable is connected to a rigid float, and the other end is connected to a tension sensor. When the rigid float rotates, it can pull the cable, causing the tension sensor to feed back a signal to the hydraulic solenoid valve. The insertion part drives the integrated film-coated float device to rise and fall.

[0018] Furthermore, the feedback component also includes a guide and a limiting member; the cable specifically includes a pull wire and a pull sleeve; the pull wire is located inside the pull sleeve and can slide relative to the pull sleeve; one end of the pull wire is connected to the guide and the other end is fixedly connected to the tension sensor; the guide is rotatably connected to a rigid float near its end, and the middle of the guide is movably connected to a mounting cover; the limiting member is fixedly installed to the frame, and both ends of the pull sleeve are located between the limiting member and the guide; when the rigid float rotates, it can drive the guide to move, so that the guide and the limiting member cooperate to squeeze the pull sleeve, causing the pull sleeve to deform and thus pull the pull wire, so that the pull wire transmits the force to the tension sensor.

[0019] Compared with the prior art, the technical solution provided by this invention has the following advantages:

[0020] (1) The film covering mechanism and the floating plate mechanism of this application are highly integrated, which simplifies the structure of the rice transplanter. The floating plate mechanism can effectively protect the film discharge roller while realizing the contouring function. Specifically, the combination of rigid floating plate and transparent flexible baffle in the floating plate mechanism blocks mud from the film discharge roller, reduces the impact of mud splashed by the wheels on both sides of the rice transplanter on the film discharge roller, and extends the service life of the film discharge roller. At the same time, the flexible baffle is soft and easy to deform, which can fully cooperate with the work of the rigid floating plate. During the mud blocking process, it will not interfere with the movement of the rigid floating plate.

[0021] (2) The flexible baffle is made of transparent material. This design allows users to directly observe the working status of the mulch roll inside the film roller through the flexible baffle. Only a small amount of mulch roll is left or missing in the film roller, so users can replace and replenish the mulch roll in time.

[0022] (3) The bottom surface of the rigid float has several water-guiding ridges, which are arc-shaped and extend longitudinally along the rigid float. All the water-guiding ridges are parallel to each other. The longitudinal direction of the rigid float is perpendicular to the axis of the film-exit roller. Thus, after the wheels of the rice transplanter splash mud and water onto the flexible baffle, the mud and water can flow back into the field along the water-guiding ridges after flowing to the rigid float, and it is not easy to adhere to the surface of the float mechanism. On the other hand, the water-guiding ridges can also increase the strength of the rigid float to a certain extent. Attached Figure Description

[0023] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:

[0024] Figure 1 This is a schematic diagram of the structure of a rice transplanter and an integrated film-covered floating plate device according to an embodiment of this application;

[0025] Figure 2 This is a schematic diagram of the mounting cover and film-exit roller cooperation structure of a rice transplanter and integrated film-covering floating plate device according to an embodiment of this application;

[0026] Figure 3 This is an exploded structural diagram of a rice transplanter and an integrated film-covered floating plate device according to an embodiment of this application;

[0027] Figure 4 This is an exploded structural diagram of a rice transplanter and an integrated film-covered floating plate device according to an embodiment of this application;

[0028] Figure 5 This is a partially enlarged exploded view of the structure of a rice transplanter and an integrated film-covered floating plate device according to an embodiment of this application;

[0029] Figure 6 This is a partially enlarged exploded view of the structure of a rice transplanter and an integrated film-covered floating plate device according to an embodiment of this application;

[0030] Label Explanation:

[0031] 100. Lamination mechanism;

[0032] 110. Mounting cover; 111. Hanging plate;

[0033] 120. Film exit roller;

[0034] 130. Pressing roller;

[0035] 200. Floating plate mechanism;

[0036] 210. Rigid float plate; 211. Water guide prism; 212. Matching plate;

[0037] 220. Feedback component; 221. Cable; 2211. Guy wire; 2212. Sleeve; 222. Guide component;

[0038] 230. Flexible baffle; 231. Slot;

[0039] 240. Connecting rod; 241. First connecting part; 242. Second connecting part; 2421. Connecting plate; 2421a. Connecting hole. Detailed Implementation

[0040] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0041] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate for the embodiments of this application described herein.

[0042] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0043] This application provides an integrated membrane-coated floating plate device, such as... Figure 1 As shown, it includes a film coating mechanism 100 and a floating plate mechanism 200.

[0044] like Figure 1 , Figure 2As shown, the film coating mechanism 100 includes a mounting cover 110 and a film delivery roller 120. The mounting cover 110 is semi-cylindrical and is used to be installed to the insertion part; the film delivery roller 120 is installed inside the mounting cover 110. The mounting cover 110 provides a certain degree of protection for the film delivery roller 120.

[0045] As some alternatives, the mounting cover 110 can also be square, etc.

[0046] Specifically, such as Figure 1 As shown, the mulching mechanism 100 also includes a film pressing roller 130, which is mounted to the outside of the mounting cover 110. The film output roller 120 can mount the mulch film roll and output the mulch film toward the bottom of the film pressing roller 130. The film pressing roller 130 is used to adhere the mulch film to the field to prevent the mulch film from not adhering to the field.

[0047] As an option, the film-exiting roller 120 can be connected to other mechanical components for film extrusion; as another option, the film-exiting roller 120 can also be without other mechanical components connected, and before use, the user pulls the mulch film from the film-exiting roller 120 to the bottom of the pressing roller 130, using the friction of the field surface and the tension of the water to extrude the film.

[0048] like Figure 1 , Figure 3 , Figure 4 As shown, the float mechanism 200 is connected to the mounting cover 110. The float mechanism 200 includes a rigid float 210, a feedback assembly 220, and a flexible baffle 230.

[0049] In detail, the rigid floating plate 210, together with the feedback component 220, is equivalent to the floating boat function in the prior art. When the rigid floating plate 210 encounters a slope or pit, it will rotate, for example, tilt upwards. In conjunction with the feedback component 220, the planting part of the rice transplanter will rise and fall through the feedback of the feedback component 220, and plant rice seedlings along the curve of the ground (contour following), thereby ensuring that the planting depth is consistent, thus ensuring the survival rate and yield of the seedlings.

[0050] As an optional solution, the structure of the feedback component 220 in this embodiment can be a linkage group or an electronically controlled horizontal sensor, or it can refer to the feedback component in Chinese patent document application number 2023115797576 or other existing technologies. This embodiment does not impose specific limitations here.

[0051] like Figure 3 , 4As shown, the rigid float 210 is an arc-shaped plate, rotatably connected to the lower side of the mounting cover 110, and the rigid float 210 surrounds a portion of the circumferential area of ​​the film exit roller 120, thereby covering a portion of the lower half of the film exit roller 120. The feedback assembly 220 is connected to the rigid float 210; specifically, the feedback assembly 220 is located on the front side of the mounting cover 110, with the rear side of the mounting cover 110 used for film exit. A flexible baffle 230 is connected to the mounting cover 110 on one side and to the rigid float 210 on the other side, and the flexible baffle 230 surrounds a portion of the circumferential area of ​​the film exit roller 120. When the rigid float 210 rotates, it can twist or unfold the flexible baffle 230.

[0052] Specifically, when the rigid floating plate 210 encounters a raised slope, it rotates under the pressure of the slope, twisting the flexible baffle 230 during rotation. After passing the slope, the rigid floating plate 210 returns to its original position, and when the force twisting the flexible baffle 230 decreases, the flexible baffle 230 unfolds. Throughout this process, the flexible baffle 230 consistently protects the film-exit roller 120.

[0053] In this way, the film covering mechanism 100 and the floating plate mechanism 200 in this embodiment are highly integrated, which simplifies the structure of the rice transplanter. The floating plate mechanism 100 can effectively protect the film exiting roller 120 while realizing the contouring function. Specifically, the combination of the rigid floating plate 210 and the transparent flexible baffle 230 of the floating plate mechanism 200 blocks mud from the film exiting roller 120, reduces the impact of mud splashed from the wheels on both sides of the rice transplanter on the film exiting roller 120, and extends the service life of the film exiting roller 120. At the same time, the flexible baffle 230 is soft and deformable, which can fully cooperate with the work of the rigid floating plate 210. During the mud blocking process, it will not interfere with the movement of the rigid floating plate 210.

[0054] Optional, such as Figure 2 As shown, the mounting cover 110 can be a split structure, for example, composed of two semi-cylindrical components, each of which is provided with a hanging plate 111 for connecting to the insertion part.

[0055] Preferably, the flexible baffle 230 is made of a transparent material. It is worth emphasizing that "transparent material" here can be made of fully transparent or colored semi-transparent materials, such as PVC-F and other plastics. This design allows users to directly observe the working status of the mulch film roll inside the film roller 120 through the flexible baffle 230. Only a small amount of mulch film roll remains or is missing in the film exit roller 120, allowing users to replace and replenish the mulch film roll in a timely manner.

[0056] As an alternative, the flexible baffle 230 is glued to both sides of the mounting cover 110 and the rigid floating plate 210.

[0057] As another preferred option, such as Figure 4As shown, the mounting cover 110 and the rigid floating plate 210 are respectively provided with slots 231. A portion of the flexible baffle 230 is detachably inserted into the slot 231. When the flexible baffle 230 is dirty or damaged, it can be directly removed from the slots 231 of the mounting cover 110 and the rigid floating plate 210 for cleaning, maintenance, or replacement. Specifically, the flexible baffle 230 is installed into the slot 231 by threaded fasteners. Both sides of the slot 231 and the flexible baffle 230 are provided with openings. The flexible baffle 230 is aligned with the openings of the slot 231. Bolts are inserted into the openings and the flexible baffle 230, and the bolts, together with nuts, press the slot 231 to clamp the flexible baffle 230.

[0058] Furthermore, the floating plate mechanism 200 in this embodiment includes two non-overlapping flexible baffles 230, and the feedback component 220 is disposed between the two flexible baffles 230, with the two flexible baffles 230 able to avoid the feedback component 220. As an alternative, the flexible baffle 230 may also be a single piece with a notch in the middle to provide installation space for the feedback component 220.

[0059] Furthermore, a flexible baffle 230 is formed with an avoidance notch to avoid the transmission shaft of the planting section, and the avoidance notch can be adapted to some compact rice transplanter models.

[0060] It is worth noting that the "avoidance gap" of the above-mentioned flexible baffle 230 or the gap between the two flexible baffles 230 may cause a small amount of exposure of the film-exiting roller 120. However, since the mud and water mainly come from the mud and water splashed by the wheels on both sides of the rice transplanter, the small amount of exposure in the middle of the film-exiting roller 120 has basically no impact on the overall protective performance of the flexible baffle 230.

[0061] Preferred, such as Figure 3 As shown, the bottom surface of the rigid float 210 has several water-guiding ridges 211. The water-guiding ridges 211 are arc-shaped and extend longitudinally along the rigid float 210, and all the water-guiding ridges 211 are parallel to each other. The longitudinal direction of the rigid float 210 is perpendicular to the axis of the film-exit roller 120. Thus, after the wheels of the rice transplanter splash mud and water onto the flexible baffle 230, the mud and water can flow back into the field along the water-guiding ridges 211 after flowing to the rigid float 210, making it less likely to adhere to the surface of the float mechanism 200. On the other hand, the water-guiding ridges 211 can also increase the strength of the rigid float 210 to a certain extent.

[0062] Furthermore, the height of the water-guiding ridge 211 is 5mm to 15mm, such as 5mm, 6mm, 8mm, 12mm or 14mm; the width is 1.5mm to 3mm, such as 2mm. In accordance with the width of the water-guiding ridge 211, a height less than 5mm will not effectively guide water, while a height greater than 15mm will make it easily broken by the soil slope.

[0063] Specifically, the two sides of the rigid float 210 are rotatably connected to the mounting cover 110 via connecting rods 240. At least a portion of the connecting rods 240 is arc-shaped and fits against the mounting cover 110 to enhance the strength of the connecting rods 240.

[0064] More specifically, such as Figure 5 As shown, the connecting rod 240 includes a first connecting portion 241 and a second connecting portion 242. The first connecting portion 241 fits against the mounting cover 110. The second connecting portion 242 extends to the lower side of the film exit roller 120 and includes a connecting plate 2421. The connecting plate 2421 has a plurality of connecting holes 2421a. The side of the rigid float 210 near the pressure roller 130 is hinged to one of the connecting holes 2421a in the connecting plate 2421. This design allows the relative position of the rigid float 210 and the mounting cover 110 to be adjusted to accommodate different installation methods.

[0065] Furthermore, such as Figure 3 , 5 As shown, the rigid floating plate 210 is provided with mating plates 212 on both sides. The rigid floating plate 210 is hinged and attached to the connecting plate 2421 through the mating plates 212 to increase the connection strength.

[0066] As a specific solution, this embodiment also provides a rice transplanter, which includes a planting section, a hydraulic solenoid valve, and the aforementioned integrated film-covering floating plate device. The hydraulic solenoid valve is connected to the planting section to control the lifting and lowering of the planting section. The mounting cover 110 is fixed to the planting section. In detail, the film-pressing roller 130 and the film-exiting roller 120 are both installed on the planting section and rise or fall with the planting section.

[0067] Specifically, such as Figure 6 As shown, the feedback component 220 includes a cable 221, which is movably connected to the mounting cover 110 and can move relative to the mounting cover 110. One end of the cable 221 is connected to a rigid float 210, and the other end of the cable 221 is connected to a tension sensor. When the rigid float 210 rotates, it can pull the cable 221, so that the tension sensor feeds back the signal to the hydraulic solenoid valve. The planting part drives the integrated film covering float device to rise and fall, thereby enabling the planting part to carry the film exit roller 120 and the film pressing roller 130 to complete the film covering with the undulation of the ground, so that the film fits the field better.

[0068] More specifically, such as Figure 6As shown, the feedback component 220 also includes a guide member 222 and a limiting member; the cable 221 specifically includes a pull wire 2211 and a pull sleeve 2212. The pull wire 2211 is located inside the pull sleeve 2212 and can slide relative to the pull sleeve 2212. One end of the pull wire 2211 is connected to the guide member 222, and the other end is fixedly connected to the tension sensor. The guide member 222 is rotatably connected to the rigid float plate 210 near its end, and the middle part of the guide member 222 is movably connected to the mounting cover 110. The limiting member is fixedly installed to the frame, and both ends of the pull sleeve 2212 are located between the limiting member and the guide member 222. When the rigid float 210 rotates, it can drive the guide 222 to move, so that the guide 222 cooperates with the limiting member to squeeze the pull sleeve 2212, causing the pull sleeve 2212 to deform and thus pull the pull line 2211. The pull line 2211 transmits the force to the tension sensor. After the tension sensor detects the tension, it feeds the signal back to the controller. The controller controls the opening of the hydraulic solenoid valve, thereby shortening the hydraulic cylinder and raising the insertion part.

[0069] Specifically, the pull wire 2211 can be fixedly connected to the guide member 222 or movably connected to the guide member 222. If the pull wire 2211 is movably connected to the guide member 222, it provides more buffer space for the rising of the insertion part.

[0070] In this application, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0071] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An integrated membrane-coated floating plate device, characterized in that, include: A film coating mechanism, comprising a mounting cover and a film dispensing roller; the mounting cover is semi-cylindrical and is used to be installed to the insertion part; the film dispensing roller is installed inside the mounting cover; A floating plate mechanism is connected to the mounting cover; the floating plate mechanism includes a rigid floating plate, a feedback component, and a flexible baffle. The rigid float is an arc-shaped plate, rotatably connected to the lower side of the mounting cover, and the rigid float surrounds a portion of the circumferential area of ​​the film outlet roller; the feedback component is connected to the rigid float; one side of the flexible baffle is connected to the mounting cover, and the other side is connected to the rigid float, and the flexible baffle surrounds a portion of the circumferential area of ​​the film outlet roller; When the rigid floating plate rotates, it can twist or unfold the flexible baffle.

2. The integrated membrane-coated floating plate device according to claim 1, characterized in that: The flexible baffle is made of transparent material.

3. The integrated membrane-coated floating plate device according to claim 1, characterized in that: The mounting cover and the rigid floating plate are respectively provided with slots, and a portion of the flexible baffle is detachably inserted into the slots; The flexible baffle is installed into the slot by threaded fasteners.

4. The integrated membrane-coated floating plate device according to claim 1, characterized in that: The device includes two non-overlapping flexible baffles, with the feedback component disposed between the two flexible baffles.

5. The integrated membrane-coated floating plate device according to claim 4, characterized in that: One of the flexible baffles is formed with a clearance notch to avoid the transmission shaft of the insertion part.

6. The integrated membrane-coated floating plate device according to claim 1, characterized in that: The bottom surface of the rigid float has a plurality of water-guiding ridges, which are arc-shaped and extend longitudinally along the rigid float, and all the water-guiding ridges are parallel to each other.

7. The integrated membrane-coated floating plate device according to claim 6, characterized in that: The height of the water guide rib is 5mm to 15mm, and the width of the water guide rib is 1.5mm to 3mm.

8. The integrated membrane-coated floating plate device according to claim 1, characterized in that: The rigid floating plate is rotatably connected to the mounting cover on both sides by connecting rods, at least a portion of which is arc-shaped and fits against the mounting cover.

9. An integrated membrane-coated floating plate device according to claim 8, characterized in that: The connecting rod includes a first connecting part and a second connecting part, wherein the first connecting part is fitted to the mounting cover; The second connecting portion extends to the lower side of the film-discharging roller, and the second connecting portion includes a connecting plate having a plurality of connecting holes; the film-coating mechanism further includes a film-pressing roller, which is mounted to the outside of the mounting cover; The rigid float plate is hinged to one of the connecting holes in the connecting plate near the side of the pressing roller.

10. A rice transplanter, characterized in that: The device includes an insertion section, a hydraulic solenoid valve, and an integrated film-coating floating plate device according to any one of claims 1 to 8, wherein the hydraulic system is connected to the insertion section to control the lifting and lowering of the insertion section; the mounting cover is fixed to the insertion section; and the film-coating mechanism further includes a film-pressing roller, which is mounted on the outside of the mounting cover.

11. A rice transplanter according to claim 10, characterized in that: The feedback component includes a cable that is movably connected to the mounting cover. One end of the cable is connected to a rigid float, and the other end is connected to a tension sensor. When the rigid float rotates, it can pull the cable, causing the tension sensor to feed back a signal to the hydraulic solenoid valve. The insertion part drives the integrated film-coated float device to rise and fall.

12. A rice transplanter according to claim 11, characterized in that: The feedback component also includes a guide and a limiting component; the cable specifically includes a pull wire and a pull sleeve; the pull wire is located inside the pull sleeve and the pull wire can slide relative to the pull sleeve; one end of the pull wire is connected to the guide and the other end is fixedly connected to the tension sensor; The guide member is rotatably connected to the rigid floating plate near its end, and the middle part of the guide member is movably connected to the mounting cover. The limiting member is fixedly installed to the frame, and the two ends of the pull sleeve are located between the limiting member and the guide member. When the rigid float rotates, it can drive the guide to move, so that the guide and the limiting member cooperate to squeeze the pull sleeve, causing the pull sleeve to deform and thus pull the pull line, so that the pull line transmits the force to the tension sensor.

Images