Main frame assembly for profiling seeder

Abstract

The utility model relates to a main frame assembly for a profiling seeder, which belongs to the technical field of profiling seeders and comprises a seed-metering device, a main frame seaming and a seeding and ditching component, the seed-metering device is mounted at the upper end of the main frame seaming, the seeding and ditching component is mounted at the lower end of the main frame seaming, and the main frame seaming comprises a connecting main plate, a top structural plate, a main frame four-bar sleeve, a protective plate and a ditching reinforcing plate. The top structural plates are symmetrically mounted on the two sides of the upper end of the connecting main plate, so that the land can be accurately and quickly broken to form gullies, and meanwhile, an enough gap is formed between the two ditching discs to facilitate seed sowing; wherein the included angle between the connecting line of the nearest point between the two symmetrically mounted ditching discs and the centers of the ditching discs and the horizontal plane is 40 degrees, so that the nearest point between the two ditching discs can be effectively contacted with the ground for ditching treatment, namely, the depth of a ditched ditch is enough, and the adhesion of soil to the ditching discs is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of profiled seeder, and specifically relates to a main frame assembly for profiled seeder. BACKGROUND

[0002] In the prior art, the seeder is an important device in the agricultural production process, and needs to face complex soil surface conditions in the seeder operation process, and the efficiency of the seeding operation becomes a focus in the field of agricultural machinery, and in the seeder for grain strip seeding operation, multiple row fertilization and multiple row seeding are needed to ensure uniform ground pressure, and the seed dispenser and the fertilizer dispenser need to be capable of discharging uniform seed flow and fertilizer flow.

[0003] At present, the furrowing and seeding structure of many profiled seeders has weak structural characteristics and has defects of excessively large furrowing depth or excessively large or excessively small furrowing width. CONTENT OF THE UTILITY MODEL

[0004] 1. TECHNICAL PROBLEM TO BE SOLVED BY THE UTILITY MODEL

[0005] The utility model aims at solving the problems in the above background.

[0006] 2. TECHNICAL SCHEME

[0007] To achieve the above purpose, the utility model provides the technical scheme as follows:

[0008] The utility model discloses a main frame assembly for profiled seeder, which comprises a seed dispenser, a main frame welding and a seeding furrowing assembly, the upper end of the main frame welding is provided with the seed dispenser, and the lower end is provided with the seeding furrowing assembly, the main frame welding comprises a connecting main plate, a top structure plate, a main frame four-pole sleeve, a guard plate and a furrowing reinforcing plate, the top structure plates are symmetrically arranged on the two sides of the upper end of the connecting main plate, the main frame four-pole sleeve is sleeved on the connecting main plate on one side of the top structure plate, the guard plate is clamped and installed on the connecting main plate, the furrowing reinforcing plate is arranged below the top structure plate and on the connecting main plate, the guard plate is in an arc-shaped structure and is provided with a clamping groove thereon, one side of the connecting main plate is provided with an arc-shaped notch, and the guard plate is installed by matching the arc-shaped notch and the clamping groove is clamped on the connecting main plate.

[0009] Preferably, the seeding furrowing assembly comprises a furrowing disc, a seed dispensing pipe, a furrowing device and a soil scraping shovel, the seed dispensing pipe is installed between the symmetrically arranged top structure plates, the furrowing discs are installed on the connecting main plate through disc shafts and are located between the two furrowing discs, and the soil scraping shovel is installed on the connecting main plate and is located below the seed dispensing pipe.

[0010] Preferably, the disc shaft comprises a middle piece and a shaft rod, the shaft rods are symmetrically arranged on the mounting surfaces of the two sides of the middle piece, the included angle between the mounting surfaces of the two sides of the middle piece is 10°, the furrowing disc is sleeved on the shaft rod and is installed on one side of the mounting surface.

[0011] Preferably, the angle between the line connecting the nearest point between the two symmetrically installed trenching discs and the center of the trenching disc and the horizontal plane is 40°.

[0012] Preferably, the trenching disc and the guard plate are coaxially arranged, and the symmetrically arranged scrapers are connected by tension springs, with the scrapers in contact with the trenching disc.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0015] This utility model discloses a main frame assembly for a contour seeder, which can accurately and quickly break the soil to form furrows, while having sufficient gaps between the two furrowing discs to facilitate seed sowing; wherein the angle between the line connecting the nearest point between the two symmetrically installed furrowing discs and the center of the furrowing disc and the horizontal plane is 40°, so that the nearest point between the two furrowing discs can effectively contact the ground for furrowing, that is, the furrows are deep enough and the soil adhesion to the furrowing discs is reduced. Attached Figure Description

[0016] Fig. 1 This is a schematic diagram of the overall structure of the main frame assembly for a contour-following seeder according to the present invention;

[0017] Fig. 2 This is a schematic diagram of the main frame assembly of a contour-following seeder according to the present invention;

[0018] Fig. 3 This is a schematic diagram of the structure of the disc shaft assembled on the main frame of a contour seeder according to the present invention.

[0019] Explanation of the labels in the diagram:

[0020] 100. Seed metering device;

[0021] 200. Main frame welding; 210. Connecting main board; 211. Arc-shaped notch; 220. Top structural plate; 230. Main frame four-bar sleeve; 240. Guard plate; 250. Grooved reinforcing plate; 260. Disc shaft; 261. Intermediate component; 262. Shaft;

[0022] 300. Seeding and furrowing components; 310. Furrowing tray; 320. Seed metering pipe; 330. Furrow opener; 340. Soil scraper. Detailed Implementation

[0023] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0024] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0025] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0026] Also, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0027] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be a fixed connection, a detachable connection, or a monolithic structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0029] Embodiment 1

[0030] Referring to the drawings Figs. 1-3 , the main frame assembly of the profiled seeder of the embodiment comprises a seed metering device (100), a main frame welding body (200) and a seeding furrowing assembly (300), the seed metering device (100) is installed at the upper end of the main frame welding body (200) and the seeding furrowing assembly (300) is installed at the lower end of the main frame welding body (200), the main frame welding body (200) comprises a connecting main plate (210), a top structure plate (220), a main frame four-pole sleeve (230), a guard plate (240) and a furrowing reinforcing plate (250), the top structure plate (220) is symmetrically installed at the two sides of the upper end of the connecting main plate (210), the main frame four-pole sleeve (230) is sleeved on the connecting main plate (210) at one side of the top structure plate (220), the guard plate (240) is clamped and installed on the connecting main plate (210), the furrowing reinforcing plate (250) is arranged below the top structure plate (220) and is installed on the connecting main plate (210), the guard plate (240) is in an arc-shaped structure and is provided with a clamping groove, one side of the connecting main plate (210) is provided with an arc-shaped notch (211), the guard plate (240) is installed in close contact with the arc-shaped notch (211) and the clamping groove is clamped on the connecting main plate (210), it should be noted that the guard plate (240) and the connecting main plate (210) are clamped with each other, the clamping groove is used for limiting the position before welding, and the welding positioning of the guard plate (240) is determined by the clamping groove and the arc-shaped notch (211), that is, the clamping groove limits the horizontal position of the guard plate (240) and the arc-shaped notch (211) limits the vertical position of the guard plate (240).

[0031] The seeding furrowing assembly (300) of the embodiment comprises a furrowing disc (310), a seed metering tube (320), a furrowing device (330) and a soil scraping shovel (340), the seed metering tube (320) is installed between the symmetrically installed top structure plates (220), the furrowing disc (310) is installed between the two furrowing discs (310) through the disc shaft (260) installed at the two sides of the connecting main plate (210), the seed metering tube (320) is located between the two furrowing discs (310), and the soil scraping shovel (340) is installed on the connecting main plate (210) and is located below the seed metering tube (320).

[0032] The disc shaft (260) of the embodiment comprises an intermediate piece (261) and a shaft pole (262), the shaft poles (262) are symmetrically arranged on the installation surfaces of the two sides of the intermediate piece (261), and the included angle between the installation surfaces of the two sides of the intermediate piece (261) is 10°, the furrowing disc (310) is sleeved on the shaft pole (262) and is installed in close contact with the installation surface at one side.

[0033] The included angle between the line connecting the closest points between the two symmetrically installed furrowing discs (310) and the center of the furrowing disc (310) and the horizontal plane is 40°.

[0034] The furrowing disc (310) of the embodiment is coaxially arranged with the guard plate (240), the symmetrically arranged soil scraping shovels (340) are connected through a tension spring, and the soil scraping shovels (340) are in contact with the furrowing disc (310).

[0035] Working principle: when working, the seeds fall from the seed sowing device (100 to the seed sowing pipe 320, and slide along the inner wall of the seed sowing pipe 320 due to the arc-shaped structure of the seed sowing pipe 320, so as to reduce the falling speed of the seeds and avoid too large spacing between the front and rear seeds; the included angle between the mounting surfaces on the two sides of the middle piece 261 is 10°, the furrow opener 310 is sleeved on the shaft rod 262 and is installed by abutting the mounting surface on one side, so that the two furrow openers 310 are in the shape of a sharp head to break the soil, so that the soil can be accurately and quickly broken to form a ditch, and there is enough gap between the two furrow openers 310 to facilitate seed sowing; the included angle between the line connecting the closest points between the two symmetrically installed furrow openers 310 and the center of the furrow opener 310 and the horizontal plane is 40°, so that the closest points between the two furrow openers 310 can effectively contact the ground to perform the ditch opening treatment, that is, the ditch has enough depth and reduces the adhesion of the soil to the furrow opener 310, and although the furrow opener 330 is below the seed sowing pipe 320, the ditch opening is a continuous moving process, and as the whole device moves forward, the seeds will fall behind the furrow opener 330.

[0036] The above-described embodiments only express certain implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application; it should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A main frame assembly for a contour-following seeder, characterized in that: The utility model provides an improved seeding and furrowing device, which comprises a seed metering device (100), a main frame weldment (200) and a seeding and furrowing assembly (300), wherein the upper end of the main frame weldment (200) is connected with the seed metering device (100) and the lower end is connected with the seeding and furrowing assembly (300), the main frame weldment (200) comprises a connecting main plate (210), a top structure plate (220), a main frame four-bar sleeve (230), a guard plate (240) and a furrowing reinforcing plate (250), the top structure plate (220) is symmetrically arranged on both sides of the upper end of the connecting main plate (210), the main frame four-bar sleeve (230) is sleeved on one side of the connecting main plate (210) of the top structure plate (220), the guard plate (240) is clamped on the connecting main plate (210), the furrowing reinforcing plate (250) is arranged below the top structure plate (220) and is arranged on the connecting main plate (210), the guard plate (240) is in an arc shape and is provided with a clamping groove, one side of the connecting main plate (210) is provided with an arc-shaped notch (211), and the guard plate (240) is arranged in the arc-shaped notch (211) and the clamping groove is clamped on the connecting main plate (210).

2. A main frame assembly for a contouring planter as defined in claim 1, wherein: The seeding and furrowing assembly (300) comprises a furrowing disc (310), a seed metering tube (320), a furrowing device (330) and a soil scraping shovel (340), the seed metering tube (320) is arranged between the symmetrically arranged top structure plates (220), the furrowing disc (310) is arranged on both sides of the connecting main plate (210) through a disc shaft (260), the seed metering tube (320) is arranged between the two furrowing discs (310), and the soil scraping shovel (340) is arranged on the connecting main plate (210) and below the seed metering tube (320).

3. A main frame assembly for a contouring planter as defined in claim 2, wherein: The disc shaft (260) comprises a middle piece (261) and a shaft rod (262), the shaft rod (262) is symmetrically arranged on the mounting surface of both sides of the middle piece (261), the included angle between the mounting surfaces of both sides of the middle piece (261) is 10°, and the furrowing disc (310) is sleeved on the shaft rod (262) and is arranged on one side of the mounting surface.

4. A main frame assembly for a contouring planter as defined in claim 3, wherein: The included angle between the line connecting the closest points between the two symmetrically arranged furrowing discs (310) and the center of the furrowing disc (310) and the horizontal plane is 40°.

5. A mainframe assembly for a contouring planter as defined in claim 2, wherein: The furrowing disc (310) is coaxially arranged with the guard plate (240), the symmetrically arranged soil scraping shovels (340) are connected through a tension spring, and the soil scraping shovels (340) are in contact with the furrowing disc (310).

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