CN117296576B - High-frequency vibration supported cutting type anti-blocking straw cleaning device - Google Patents

High-frequency vibration supported cutting type anti-blocking straw cleaning device

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Publication number
CN117296576B
CN117296576B CN202311327487.XA CN202311327487A CN117296576B CN 117296576 B CN117296576 B CN 117296576B CN 202311327487 A CN202311327487 A CN 202311327487A CN 117296576 B CN117296576 B CN 117296576B
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grass
mounting
concave
horn
wheel
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CN117296576A (en
Inventor
王文君
尹梦楠
陈玉龙
周龙
李名伟
耿端阳
王宪良
周华
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Shandong University of Technology
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Shandong University of Technology
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D82/00—Crop conditioners, i.e. machines for crushing or bruising stalks
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00—Combined machines
    • A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

The invention discloses a high-frequency vibration supported cutting type anti-blocking straw cleaning device, which comprises a frame, wherein the front part of the frame is provided with a mounting fork, a mounting shaft is arranged on the mounting fork and is arranged along the left-right horizontal direction, a ox horn type notch disc cutter is rotatably arranged on the mounting shaft, a plurality of ox horn type cutting teeth are uniformly distributed on the outer edge of the ox horn type notch disc cutter, and the outer edge of the ox horn type notch disc cutter is provided with a cutting edge structure.

Description

High-frequency vibration supported cutting type anti-blocking straw cleaning device
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a high-frequency vibration supported cutting type anti-blocking straw cleaning device.
Background
The present no-tillage planter anti-blocking device mainly comprises a stubble breaking type and a grass dividing type, the stubble breaking type mainly adopts a cutter such as a driven disc cutter to cut off straws so as to ensure good trafficability of the planter, for example, a patent number ZL200520144400.6 patent is a patent of driving anti-blocking wheat no-tillage planter, a cutter shaft arranged on the wheat planter drives a flail knife to rotate under power driving, corn straws and weeds hung on a shovel handle of a furrow opener are broken, the furrow opener is prevented from being blocked, the grass dividing type is to clean the straws, the weeds and the like in front of the furrow opener to two sides in a sweeping, poking, streaming and other modes, thereby forming a clean sowing belt, for example, a patent number ZL 200810051083.1 patent is a copying claw type floating stubble cleaning and grass mechanism, and the like can effectively clean the straws, the stubbles and the soil blocks on a working belt through a pair of finger-shaped grass poking wheels which are arranged in front of the furrow opener of the planter and are contacted with the ground. However, in the two types of anti-blocking devices, the stubble breaking type mainly driving the disc cutter is easy to cause grass winding blockage due to the fact that the transmission device is more and the ground clearance is small, while the grass separating type is simple in structure, the straw covering quantity is large, effective anti-blocking is difficult to realize, and the resistance is large, so that a novel anti-blocking device is needed, and the two different anti-blocking principles can be combined and applied when the seeder is in no-tillage operation, and a more ideal anti-blocking effect is obtained.
Disclosure of Invention
The invention aims to provide a high-frequency vibration cutting type anti-blocking and straw-removing device, which solves the technical problems that the anti-blocking device of the existing seeder is easy to cause grass winding and blocking and the anti-blocking effect is not ideal.
In order to solve the technical problems, the invention adopts the following technical scheme:
The high-frequency vibration cutting type anti-blocking straw removing device comprises a frame, wherein the front part of the frame is provided with a mounting fork, a mounting shaft is arranged on the mounting fork, the mounting shaft is arranged along the left and right horizontal directions, a ox horn type notch disc cutter is rotatably arranged on the mounting shaft, a plurality of ox horn type cutting teeth are uniformly distributed on the outer edge of the ox horn type notch disc cutter, the outer edge of the ox horn type cutting teeth is provided with a cutting edge structure;
Two groups of grass poking wheel components are arranged at the rear side of the frame and are symmetrically arranged left and right.
Further, the outer edge of the ox horn gear cutting is formed by sequentially connecting a curve AB, a curve BC and a curve CD, wherein the curve AB and the curve BC are part of archimedes spiral curves, and the curve CD is an arc curve.
Furthermore, a plurality of round holes are formed in the eccentric wheel, the central angles of any two adjacent round holes and the center of the eccentric wheel are the same, and the distances between all round holes and the center of the eccentric wheel are gradually increased.
Further, each group of grass poking wheel assembly comprises a spring tooth rod and a concave grass poking wheel, the spring tooth rod is positioned at the rear of the mounting fork, the upper end of the spring tooth rod is fixed at the upper part of the mounting fork, the concave grass poking wheel is rotatably mounted at the lower end of the spring tooth rod, the concave grass poking wheels are obliquely arranged, and a plurality of gear teeth are uniformly distributed on the outer edge of each concave grass poking wheel;
the two groups of concave grass poking wheels are arranged in a splayed shape, and the front ends of the two groups of concave grass poking wheels are in a mutually approaching state.
Furthermore, the outer edges of the gear teeth are formed by sequentially connecting a curve HI, a curve IJ and a curve FG, and the adjacent two gear teeth are connected by a curve GH, wherein the curve HI, the curve IJ, the curve FG and the curve GH are all arc curves.
Further, all gear teeth of the concave grass poking wheel are in a concave structure, and the concave structure is an arc curve.
Further, the lower extreme of bullet tooth pole is fixed with the connecting axle, and the connecting axle slope sets up, and concave grass poking wheel passes through the bearing and rotates to be installed on the connecting axle.
Further, a plurality of rows of mounting holes are formed in the upper portion of the mounting fork frame, all rows of mounting holes are arranged side by side up and down, and the upper end of the spring tooth bar is fixed to one row of mounting holes through a plurality of pins.
Compared with the prior art, the ox horn type notch disc cutter and the high-frequency vibration cutter are single-edge cutters, the ox horn type notch disc cutter is rotatably arranged on the frame, and ox horn cutting teeth of the ox horn type notch disc cutter are matched with cutting edge curves of the high-frequency vibration cutter according to curves called by Archimedes spiral, so that the stubble cutting effect is better; the motor drives the eccentric wheel to rotate, the eccentric wheel drives the high-frequency vibration knife to repeatedly move around a fan-shaped area formed by swinging through the connecting rod while rotating, and meanwhile, a plurality of round holes matched with the connecting rod are designed on the eccentric wheel according to a certain curve, so that the swinging area of the high-frequency vibration knife and the vertical distance of the knife from the ground have a certain adjusting range; the invention relates to a cutting edge of a high-frequency vibrating knife, which is characterized in that the cutting edge of the high-frequency vibrating knife is forwards directed and is attached to a ox horn type notch disc knife, the cutting edge of the ox horn type notch disc knife and the cutting edge of the high-frequency vibrating knife form a sliding cut in the running process of a machine tool, two holes at one end of a spring tooth rod of a ox horn type notch disc knife are connected with holes at two sides of a machine frame by pins, three groups of mounting holes at two sides of the machine frame are arranged at the same time, the distance between the concave type spring tooth wheel and the ground can be adjusted, so that the flexibility of the concave type spring tooth wheel is stronger, the concave type spring tooth wheel adopts a concave type curved surface design, the resistance is improved, the loss is reduced, the stability is increased, the sliding and sideslip risks are reduced, the spring tooth rod is designed through a certain arc, so that the spring tooth rod has higher reliability and durability, in a whole, the front of a cutter with high efficiency and high quality can easily cause blocked straws and weeds by using the ox horn type notch disc knife and the high-frequency vibrating knife, and two groups of spring tooth wheel assemblies can also reduce the straws and weeds to a certain extent, weeds are distributed to the two sides of the furrow opener, and the anti-blocking effect is good.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic structural view of a high-frequency vibration cutting type anti-blocking straw cleaning device;
FIG. 2 is a schematic view of the installation of a ox horn notch disc cutter;
FIG. 3 is a schematic view of a ox horn notch disc cutter;
FIG. 4 is a schematic diagram of the connection of the motor, eccentric and dither cutters;
FIG. 5 is another view angle connection schematic of a motor, eccentric, and dither blade;
FIG. 6 is a schematic structural view of an eccentric;
FIG. 7 is a schematic view of a two-set grass pulling wheel assembly;
FIG. 8 is a top view of two sets of grass pulling wheel assemblies;
FIG. 9 is a schematic view of the structure of the spring tooth bar;
FIG. 10 is a schematic view of a grass pulling wheel;
Fig. 11 is a side view of the grass pulling wheel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention is described in further detail below with reference to examples.
As shown in fig. 1-11, the present invention provides a specific embodiment of a high-frequency vibration cutting type anti-blocking straw cleaning device:
The high-frequency vibration cutting type anti-blocking straw removing device comprises a frame 1, wherein the upper end of the frame is a mounting plate 2, the front part of the frame 1 is a mounting fork frame 3, a mounting shaft 4 is arranged on the mounting fork frame 3, the mounting shaft 4 is arranged in the left-right horizontal direction, a ox horn type notch disc cutter 5 is rotatably arranged on the mounting shaft 4, specifically, as shown in fig. 2, a bearing sleeve 6 is sleeved on the mounting shaft 4, a bearing 7 and a bearing seat 8 are arranged on the bearing sleeve 6, and the ox horn type notch disc cutter 5 is fixed on the bearing seat 8 through bolts;
As shown in fig. 3, a plurality of ox horn cutting teeth 9 are uniformly distributed on the outer edge of the ox horn notch disc cutter 5, a cutting edge structure is arranged on the outer edge of the ox horn cutting teeth 9, as shown in fig. 4 and 5, a motor seat 10 is fixed on the upper part of the mounting fork frame 3, a motor 11 is mounted on the motor seat 10, an eccentric wheel 12 is arranged on a main shaft of the motor 11, a high-frequency vibration cutter 13 is arranged on the mounting shaft 4, the high-frequency vibration cutter 13 can rotate around the mounting shaft 4, a connecting rod 14 is arranged between the upper end of the high-frequency vibration cutter 13 and the eccentric wheel 12, two ends of the connecting rod 14 are respectively hinged at the upper end of the high-frequency vibration cutter 13 and the eccentric part of the eccentric wheel 12, a cutter 15 is arranged on the lower part of the high-frequency vibration cutter 13, the cutter 15 is attached to the outer surface of the ox horn notch disc cutter 5, and the cutter 15 is matched with the ox horn cutting teeth 9 to realize cutting operation;
two groups of grass poking wheel components are arranged at the rear side of the frame 1, and the two groups of grass poking wheel components are symmetrically arranged left and right.
Preferably, as shown in fig. 3, the outer edge of the ox horn cutting tooth 9 is formed by sequentially connecting a curve AB, a curve BC and a curve CD, wherein the curve AB and the curve BC are part of archimedes spiral curves, the curve CD is an arc curve, and the ox horn cutting tooth 9 has a special structure, so that a certain included angle is formed between the ox horn cutting tooth 9 and the cutting edge curve of the high-frequency vibration knife 13, the kneading effect of the ox horn cutting tooth 9 and the cutting edge curve is increased, the sliding cutting effect is better during cutting, and the operation effect of a machine tool is better;
In order to make the use of the high-frequency vibration knife 13 more flexible, as shown in fig. 6, a plurality of round holes 16 are formed in the eccentric wheel 12, the central angles of any two adjacent round holes 16 and the center of the circle of the eccentric wheel 12 are the same, the distances between all round holes 16 and the center of the circle of the eccentric wheel 12 are gradually increased, the gradually increased distances are constant, all round holes 16 in the true sun are arranged in a certain curve, one of the round holes 16 can be selected for installation by the connecting rod 14, and the effect of specifically adjusting the amplitude is achieved, so that the high-frequency vibration knife 13 is more various in adjustment, and the adaptability of the machine is improved.
As shown in fig. 7-10, each group of grass pulling wheel assembly comprises a spring tooth bar 17 and a concave grass pulling wheel 18, wherein the spring tooth bar 17 is positioned at the rear of the mounting fork frame 3, the upper end of the spring tooth bar 17 is fixed at the upper part of the mounting fork frame 3, the lower end of the spring tooth bar 17 is fixedly provided with a connecting shaft 19, the connecting shaft 19 is obliquely arranged, specifically, the inclination of the connecting shaft 19 is as follows, the direction vertical to the advancing direction of a machine tool is taken as an X axis, the direction vertical to the surface of the spring tooth bar 17 is taken as a Y axis, the included angle between the connecting shaft 19 and the X axis is beta, and the included angle between the connecting shaft and the Y axis is alpha;
due to the inclined arrangement of the connecting shaft 19, the two groups of concave grass pulling wheels 18 are arranged in a splayed shape, and the front ends of the two groups of concave grass pulling wheels 18 are in a mutually approaching state.
In addition, as shown in fig. 10, the outer edges of the gear teeth 20 are formed by sequentially connecting a curve HI, a curve IJ and a curve FG, and two adjacent gear teeth 20 are connected by a curve GH, wherein the curve HI, the curve IJ, the curve FG and the curve GH are all arc curves, and four arc curves are mutually connected to form the outer edges of the gear teeth 20, so that the concave grass pulling wheel 18 is designed into a deflection gear, and is a negative deflection gear, thereby being beneficial to improving the bending strength of tooth roots and the impact resistance of the gear.
In this embodiment, as shown in fig. 11, the whole outline of all the gear teeth 20 of the concave grass pulling wheel 18 is in a concave structure, the concave structure is in a circular arc curve, and compared with a grass pulling wheel with a planar structure, the special design can improve the resistance, and the special concave structure design ensures that the surface of the grass pulling wheel is not easily piled up by adherends, thereby reducing friction with crops and weeds, reducing rolling resistance and improving the working efficiency of the agricultural machinery, and in addition, the loss is reduced, and meanwhile, the stability is increased, the concave structure design can increase the contact area of the grass pulling wheel, improve the stability and the grasping force of the agricultural machinery on uneven terrain, and reduce the risks of slippage and sideslip.
As another embodiment of the invention, the heights of the two groups of grass pulling wheel assemblies can be adjusted according to the environment, specifically, as shown in fig. 1, three rows of mounting holes 21 are arranged at the upper part of the mounting fork frame 3, the three rows of mounting holes 21 are arranged side by side up and down, and the upper end of the spring tooth rod 17 is fixed on one row of mounting holes 21 through two pins 22;
the installation height of the concave grass poking wheel 18 is changed by adjusting the position of the upper end of the spring tooth bar 17 on the installation fork frame 3, so that the overall flexibility of the machine is stronger.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1.高频振动有支撑切割式防堵清秸装置，其特征在于：包括机架，机架的前部为安装叉架，安装叉架上设置有安装轴，安装轴沿左右水平方向设置，安装轴上转动安装有牛角式缺口圆盘刀，牛角式缺口圆盘刀的外缘均布有若干牛角切齿，牛角切齿的外缘具有刀刃结构；在安装叉架的上部固定有电机座，电机座上安装有电机，电机的主轴上设置有偏心轮，所述安装轴上设置有高频振动刀，高频振动刀的上端与偏心轮之间设置有连杆，连杆的两端分别铰接在高频振动刀的上端和偏心轮的偏心处，所述高频振动刀的下部为切刀，所述切刀与牛角式缺口圆盘刀的外表面相贴合，且切刀与牛角切齿配合实现切割作业；1. A high-frequency vibrating supported cutting anti-clogging straw clearing device, characterized in that: it includes a frame, the front of which is a mounting fork, a mounting shaft is provided on the mounting fork, the mounting shaft is arranged horizontally in the left and right direction, a horn-shaped notched disc cutter is rotatably mounted on the mounting shaft, the outer edge of the horn-shaped notched disc cutter is evenly distributed with a number of horn-shaped cutting teeth, the outer edge of the horn-shaped cutting teeth has a blade structure; a motor base is fixed on the upper part of the mounting fork, a motor is mounted on the motor base, an eccentric wheel is provided on the main shaft of the motor, a high-frequency vibrating blade is provided on the mounting shaft, a connecting rod is provided between the upper end of the high-frequency vibrating blade and the eccentric wheel, the two ends of the connecting rod are respectively hinged to the upper end of the high-frequency vibrating blade and the eccentric part of the eccentric wheel, the lower part of the high-frequency vibrating blade is a cutter, the cutter is in contact with the outer surface of the horn-shaped notched disc cutter, and the cutter cooperates with the horn-shaped cutting teeth to achieve the cutting operation; 机架的后侧安装有两组拨草轮组件，两组拨草轮组件左右对称设置；Two sets of grass-removing wheel assemblies are installed on the rear side of the frame, and the two sets of grass-removing wheel assemblies are arranged symmetrically on the left and right sides; 牛角切齿的外缘由曲线AB、曲线BC和曲线CD依次连接而成，其中曲线AB和曲线BC均为阿基米德螺线的部分曲线，曲线CD为圆弧曲线；The outer edge of the horn-shaped cutting tooth is formed by connecting curves AB, BC and CD in sequence. Curves AB and BC are partial curves of the Archimedean spiral, and curve CD is a circular arc curve. 每组拨草轮组件包括弹齿杆和凹型拨草轮，弹齿杆位于安装叉架的后方，且弹齿杆的上端固定在安装叉架的上部，凹型拨草轮转动安装在弹齿杆的下端，且凹型拨草轮倾斜设置，凹型拨草轮的外缘均布有若干轮齿；Each set of grass-removing wheel assembly includes a spring-tooth rod and a concave grass-removing wheel. The spring-tooth rod is located behind the mounting fork, and the upper end of the spring-tooth rod is fixed to the upper part of the mounting fork. The concave grass-removing wheel is rotatably mounted on the lower end of the spring-tooth rod, and the concave grass-removing wheel is inclined. Several teeth are evenly distributed on the outer edge of the concave grass-removing wheel. 两组凹型拨草轮呈八字型布置安装，且两组凹型拨草轮的前端呈相互靠近状态；The two sets of concave grass-removing wheels are arranged in a figure-eight pattern, with the front ends of the two sets of concave grass-removing wheels close to each other. 轮齿的外缘由曲线HI、曲线IJ和曲线FG依次连接而成，且相邻的两个轮齿之间由曲线GH连接；曲线HI、曲线IJ、曲线FG和曲线GH均为圆弧曲线。The outer edge of the gear teeth is formed by connecting curves HI, IJ and FG in sequence, and adjacent gear teeth are connected by curve GH; curves HI, IJ, FG and GH are all circular arc curves. 2.根据权利要求1所述的高频振动有支撑切割式防堵清秸装置，其特征在于：所述偏心轮上开设有若干个圆孔，任意两个相邻的圆孔与偏心轮圆心的圆心角相同，且所有圆孔与偏心轮圆心的距离逐渐变大。2. The high-frequency vibration supported cutting anti-clogging straw clearing device according to claim 1, characterized in that: the eccentric wheel is provided with a plurality of circular holes, any two adjacent circular holes have the same central angle as the center of the eccentric wheel, and the distance between all the circular holes and the center of the eccentric wheel gradually increases. 3.根据权利要求2所述的高频振动有支撑切割式防堵清秸装置，其特征在于：凹型拨草轮的所有轮齿呈凹面结构，凹面结构为圆弧曲线。3. The high-frequency vibration supported cutting anti-clogging straw clearing device according to claim 2, characterized in that: all the teeth of the concave straw-removing wheel have a concave structure, and the concave structure is a circular arc curve. 4.根据权利要求3所述的高频振动有支撑切割式防堵清秸装置，其特征在于：所述弹齿杆的下端固定有连接轴，连接轴倾斜设置，凹型拨草轮通过轴承转动安装在连接轴上。4. The high-frequency vibration supported cutting anti-clogging straw clearing device according to claim 3, characterized in that: the lower end of the spring tooth rod is fixed with a connecting shaft, the connecting shaft is inclined, and the concave straw-removing wheel is rotatably mounted on the connecting shaft through a bearing. 5.根据权利要求4所述的高频振动有支撑切割式防堵清秸装置，其特征在于：在安装叉架的上部设置有若干排安装孔，所有排安装孔上下并排设置，所述弹齿杆的上端通过若干销钉固定在其中一排安装孔上。5. The high-frequency vibration supported cutting anti-clogging straw clearing device according to claim 4, characterized in that: a plurality of rows of mounting holes are provided on the upper part of the mounting fork frame, all rows of mounting holes are arranged side by side, and the upper end of the spring tooth rod is fixed on one of the rows of mounting holes by a plurality of pins.
CN202311327487.XA 2023-10-13 2023-10-13 High-frequency vibration supported cutting type anti-blocking straw cleaning device Active CN117296576B (en)

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