CN114342585B - Corn seed bed finishing combined machine - Google Patents
Corn seed bed finishing combined machine Download PDFInfo
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- CN114342585B CN114342585B CN202210013123.3A CN202210013123A CN114342585B CN 114342585 B CN114342585 B CN 114342585B CN 202210013123 A CN202210013123 A CN 202210013123A CN 114342585 B CN114342585 B CN 114342585B
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- 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
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Abstract
The application relates to the field of spring seedbed finishing operation tools, and belongs to agricultural tillage tools. In particular to a corn seed bed finishing combine which is used for finishing straws and loosening and flattening soil through a disc cutter, a shearing shovel, spring comb teeth and other parts, constructing a mixed state of the straws and the soil, improving the trafficability of subsequent seeding operation, forming a soil structure with 'upper deficiency and lower excess', and being beneficial to soil moisture and water extraction in the seedling stage of corn.
Description
Technical Field
The application relates to the field of spring seedbed finishing operation tools, in particular to a corn seedbed finishing combined operation machine, and belongs to agricultural tillage equipment.
Background
At present, four main modes of returning the existing straw to the field in northeast are: the method comprises a straw covering no-tillage method, a straw crushing and mixing method, a straw harrowing and mixing method and a straw turning and burying method. The first two operation methods do not need to be used for finishing spring seedbeds, and the second two operation methods need to be used for finishing seedbeds before spring sowing in order to ensure successful sowing. In the prior art, the straw harrowing and mixing method is to use a combined soil preparation machine to mix the straw and the soil after mechanical harvesting, and the operation method has the problems that the residual long straw in the plough layer influences seedling emergence, the straw randomly distributed on the earth surface influences the trafficability of the seeder and the like. The straw turning and burying method refers to the mechanical turning and tillage of the ground surface straw below a tillage layer by using a hydraulic turning plow after mechanical harvesting, and then the soil is raked and flattened by a disc heavy harrowing, so that the soil structure with 'upper deficiency and lower excess' cannot be formed by the operation method, the effective bottom soil moisture water supply rate is low, and the soil moisture and water supply during the seedling stage of corn is not facilitated. The prior art and the matched working machine have no effective solution to the technical problems caused by the two cultivation methods, and the matched spring soil preparation working machine which has the functions of loosening and leveling soil in a working area and tidying straw in a cultivation layer is not available.
Disclosure of Invention
In order to solve the existing problems, the application provides a spring tillage and soil preparation operation machine, in particular relates to a corn seed bed finishing combined operation machine, which is used for finishing straws, loosening and flattening soil through a disc cutter, a shearing shovel, a spring comb tooth and other parts, constructing a mixed state of the straws and the soil, improving the trafficability of subsequent seeding operation, forming an 'upper-deficiency and lower-excess' soil structure and being beneficial to soil moisture and water extraction in a corn seedling stage.
The specific technical scheme for solving the problems is as follows: a corn seed bed finishing combined machine mainly comprises a main frame, a disc cutter assembly, a shearing shovel assembly, a spring comb assembly and a travelling wheel assembly, wherein the disc cutter assembly and the shearing shovel are arranged on the main frameThe assembly and the spring comb assembly are main soil cultivation components of the corn seed bed finishing combined operation machine, and are sequentially arranged on the main frame 1 according to the operation sequence; the disc cutter assembly consists of disc cutter monomers 1 which are arranged at equal transverse intervals, and the interval d between two adjacent disc cutter monomers 1 1 200mm, the number of the disc cutter units 1 is equal to the design width of the machine divided by the distance d of 2 times 1 A kind of electronic device. The disc cutter unit 1 is fixedly connected to the main frame, and the operation depth of the disc cutter assembly is 80-100mm; the shearing shovel assembly consists of shearing shovel monomers 2, wherein the shearing shovel monomers 2 are respectively arranged on four rows of cross beams of the main frame, and the operation depth of the shearing shovel assembly is 80-100mm; the shearing shovel unit 2 consists of a connecting plate 201, a shovel handle 202 and a shovel tip 203, wherein the connecting plate 201 is fixedly connected with the shovel handle 202 through bolts, and the shovel handle 202 is fixedly connected with the shovel tip 203 through bolts; the spring comb assembly mainly comprises a depth adjusting device 3, a comb angle adjusting mechanism 4 and comb tooth parts 5, wherein the depth adjusting device 3 is fixedly connected with the main frame, the depth adjusting device is fixedly connected with the comb angle adjusting mechanism 4, and four groups of comb tooth parts 5 are hinged with the comb tooth angle adjusting mechanism 4; the travelling wheel assembly consists of 2-4 travelling wheels 6, the outer diameter of the tyre of each travelling wheel is 700-900mm, the travelling wheels are movably connected to the main frame through a pin shaft, the working depth of the whole machine is adjusted through a hydraulic device matched with a hanging contact of a tractor, and the travelling wheel assembly can also be used as a transport wheel.
The disc cutter unit 1 mainly comprises a connecting bracket 101, a spring 102, a limiting block 103 and cutter discs 104, wherein the connecting bracket 101 is connected with the spring 102 and the limiting block 103 in a penetrating way, the connecting bracket 101 is fixedly connected with the two cutter discs 104 by using a bearing seat, and the transverse distance between the two cutter discs 104 is 200mm; the cutter discs 104 are arranged at equal intervals, the interval between every two adjacent cutter discs 104 is 200mm, the shearing rate of straws with the surface more than 20cm can be improved, the surface soil is loosened, and the soil entering performance of the front shearing shovel assembly is improved; the disc cutter unit 1 is provided with a spring 102, and the function of the spring is to enable the cutter disc 104 to have an overload protection function, prevent the damage of components caused by strong impact and vibration in the working process, and prolong the service life of the cutter disc 104.
The shearing shovel unit 2 consists of a connecting plate 201, a shovel handle 202 and a shovel tip 203, wherein the connecting plate 201 is fixedly connected with the shovel handle 202 through bolts, and the shovel handle 202 is fixedly connected with the shovel tip 203 through bolts; the width A of the cutting edge 203 is 200-250mm, the soil entering angle alpha is 4-8 degrees, the cutting edge is a section of circular arc in a top view, the radius of the circular arc is 500-600mm, and the cutting edge is parallel to the horizontal plane in a front view; the shovel blade is provided with a plurality of saw teeth, the tooth heights of the saw teeth are 4-8mm, the tooth intervals p are 4-8mm, a plane W is arranged at the bottom of the shovel in a bottom view, the width t of the plane W is 15-20mm, and the plane W is parallel to the horizontal plane.
The projection of the shearing shovel monomers 2 on a cross beam is equidistant; and the distance d between two adjacent shovels after projection 2 170-180mm; the distance d between every two adjacent shovels is 4 times of the distance d between every two adjacent shovels after projection on the same beam 2 。
The spring comb assembly consists of a depth adjusting device 3, a comb angle adjusting mechanism 4 and comb tooth parts 5, wherein the depth adjusting device 3 is fixedly connected with the main frame, the depth adjusting device is fixedly connected with the comb angle adjusting mechanism 4, and four groups of comb tooth parts 5 are hinged with the comb tooth angle adjusting mechanism 4;
the depth adjusting device 3 comprises a fixed support 301, a square steel tube 302, a connecting rod 303, a long spring 304, a clamping block 305, a short spring 306, a transmission screw 307, a handle 308, a rotary shaft sleeve 309, an upper connecting round sleeve 310 and a lower connecting round sleeve 311, wherein the fixed support 301 is hinged with the square steel tube 302, the fixed support 301 is hinged with the connecting rod 303, the square steel tube 302 is hinged with the clamping block 305, the long spring 304 and the short spring 306 are arranged on the connecting rod 303, the rotary shaft sleeve 309 is welded on the square steel tube 302, the transmission screw 307 and the rotary shaft sleeve 309 are connected and transmitted in a trapezoid thread mode, the handle 308 is fixedly connected with the transmission screw 307, and the upper connecting round sleeve 310 and the lower connecting round sleeve 311 fixedly connect the comb angle adjusting mechanism 4 on the transmission screw 307 by bolts;
the comb tooth angle adjusting mechanism 4 consists of a main plate 401, a rotary connecting piece 402, a straight plate 403, an angle adjusting plate 404 and a handle 405;
the rotating connecting piece 402 is connected to the main board 401 through bolts, the rotating connecting piece 402 is hinged to the straight board 403 through bolts, the angle adjusting plate 404 is hinged to the main board 401 through bolts to form a turning point, the handle 405 is hinged to the main board 401 through bolts, the angle adjusting plate 404 is hinged to the straight board 403 through bolts to form a group of parallel four-bar mechanisms, and the working angle of the component can be adjusted by changing the installation hole position between the handle 405 and the angle adjusting plate 404;
the comb angle adjusting mechanism 4 is a parallel four-bar mechanism, which is divided into a left parallel four-bar mechanism and a right parallel four-bar mechanism, wherein the left parallel four-bar mechanism is shown in the above description, and the right parallel four-bar mechanism is not provided with the angle adjusting plate 404 and the handle 405 and can be changed along with the adjustment of the left parallel four-bar mechanism.
The comb tooth part 5 consists of a circular tube 501, comb teeth 502 and a baffle pad 503, wherein the comb teeth 502 and the baffle pad 503 are fixedly connected on the circular tube 501, and the baffle pad 503 mainly plays a limiting role in the vertical direction and restricts the freedom degree of the comb teeth 502 in longitudinal movement.
The comb tooth angle adjusting mechanism 4 and the four groups of comb tooth parts 5 are used in combination, and the comb tooth angle adjusting mechanism has the following structural characteristics: the four comb tooth parts 5 are arranged on the comb tooth angle adjusting mechanism 4, the operation width H is selected according to the actual operation condition, the transverse arrangement is arranged in an equidistant staggered manner, the transverse interval K is 480-520mm, the comb teeth 502 are arranged in a staggered manner, the projection is carried out along the operation direction of the machine tool, the comb teeth 502 are distributed in an equidistant manner, the transverse interval H is 55-65mm, the full-width operation is realized, and the passing performance of the straw is increased; the working angles of the four comb tooth parts 5 can be adjusted by changing the mounting hole positions on the angle adjusting plate 404, 4 mounting hole positions are arranged on the angle adjusting plate 404, and the adjustable range of the working angles is 0-30 degrees; after the comb teeth 502 are installed on the comb teeth part 5, the unidirectional rotation limiting function is achieved, the comb teeth 502 are hinged to the round tubes 501 through bolts, and due to the fact that a clamping point exists on the structure, the comb teeth 502 are not constrained to rotate along the advancing direction of an implement, are constrained to rotate along the advancing reverse direction of the implement, the unidirectional rotation limiting mechanism has the characteristic of unidirectional rotation in the working process, and the incompletely constrained structure plays an overload protection role on the components in the working process.
The corn seed bed finishing combined machine is a full-width tillage machine, the tillage width can be sequentially increased at intervals of 1 meter, and the minimum width is 3 meters.
The disc cutter assembly consists of disc cutter monomers 1 which are arranged at equal transverse intervals, and the interval d between two adjacent disc cutter monomers 1 1 200mm, the number of disc cutter units 1 is equal to the design width of the machine divided by the spacing d 1 2 times of (2); the disc cutter unit 1 is fixedly connected to the main frame, and the operation depth of the disc cutter assembly is 80-100mm; the number of the cutting shovel monomers 2 is equal to the operation width divided by d 2 Rounding the obtained number, and taking a similar odd number.
The beneficial effects of the application are as follows:
firstly, the application provides a matched operation tool for soil preparation before spring sowing in the northeast China by a straw harrowing and mixing method and a straw turning and burying method in the current straw returning method, can realize the combination of loose soil and straw arrangement, and provides a good seed bed structure for subsequent sowing operation.
Secondly, the key component of the shearing shovel assembly is a shovel tip 203, so that a 'upper-deficiency lower-excess' soil structure can be formed, the 'twice disturbance and once compaction' operation effect is realized, the soil temperature is improved rapidly, the drought resistance and soil moisture conservation capacity of soil is improved, and straws with the length of more than 30cm are separated from a sowing layer and placed on the ground surface, so that sowing safety is ensured.
Thirdly, the spring comb assembly consists of a stepless depth adjusting device 3, a comb angle adjusting mechanism 4 and a comb part 5, wherein the stepless depth adjusting device 3 can steplessly adjust the operation depth according to the ground condition of an operation area, and can perform profiling operation according to the actual ground condition, the comb angle adjusting mechanism 4 and the comb part 5 are combined for use, so that soil can be loosened and leveled, the surface evenness is improved, soil and straws piled up in small areas of the surface are combed and leveled, straws with length more than 30cm are distributed along the operation direction in a forward direction, the problem that the seeder is blocked by the long straws transversely in the operation process is solved, and the working angle and the operation depth of the comb 502 can be changed through a bidirectional feedback adjusting mechanism according to the distribution state of the surface straws.
Fourthly, finishing a cultivation layer with the depth of more than 80-100mm in the range of sowing depth before sowing by a corn seed bed finishing combined operation machine to form a soil structure with upper deficiency and lower excess, arranging straws with the length of more than 30cm in a finishing area on the ground surface in the forward direction along the operation direction of the machine, uniformly mixing the rest straws with soil again, and constructing a seed bed structure form with smooth ground surface, loose soil of the cultivation layer, no long straws in the cultivation layer and forward arrangement of the long straws on the ground surface.
Drawings
FIG. 1 is a top plan view of the whole machine of a corn seed bed finishing combine;
FIG. 2 is a three-dimensional perspective view of a corn seed bed finishing combined machine, wherein the corn seed bed finishing combined machine comprises a 1-disc cutter unit, a 2-shearing shovel unit, a 3-depth adjusting device, a 4-comb angle adjusting mechanism, a 5-comb part and 6-travelling wheels;
fig. 3 is a three-dimensional view of a single cutter disc, wherein the cutter disc is provided with a connecting bracket 101, a spring 102, a limiting block 103 and a cutter disc 104;
FIG. 4 is a schematic diagram of the clamping position of the single disc cutter;
FIG. 5 is a three-dimensional view of a single body of the scarifier, shown as 201-connecting plate 202-blade handle 203-blade tip;
FIG. 6 is a schematic diagram of the operation of the soil structure with upper deficiency and lower excess;
FIG. 7 is a front and top view of a cutting edge;
FIG. 8 is a bottom view of a cutting edge;
FIG. 9 is a schematic diagram of the effect of a "two disturbance, one compaction" operation;
FIG. 10 is a three-dimensional view of a spring comb assembly;
FIG. 11 is a three-dimensional view of a depth adjustment device, wherein 301-a fixed support, 302-a square steel tube, 303-a connecting rod, 304-a long spring, 305-a clamping block, 306-a short spring, 307-a transmission screw, 308-a handle, 309-a rotary shaft sleeve, 310-an upper connecting round sleeve, 311-a lower connecting round sleeve;
FIG. 12 is a three-dimensional view of the comb angle adjustment mechanism, 401-main plate, 402-rotary connector, 403-straight plate, 404-angle adjustment plate, 405-handle;
FIG. 13 is a three-dimensional view of a comb assembly, 501-a round tube, 502-comb teeth, 503-a baffle pad;
FIG. 14 is a schematic view of a comb assembly arrangement with K-comb assembly transverse spacing;
FIG. 15 is a view showing the projection of the comb teeth in the working direction, wherein the projection distance of the H-comb teeth is H-working width;
FIG. 16 is a schematic view of the principle of comb teeth angle adjustment;
FIG. 17 is a schematic view of the unidirectional rotation structure of the comb teeth;
fig. 18 is a schematic diagram of the theoretical working effect of comb teeth.
Detailed Description
Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings, wherein the minimum width of the implement operation is 3 m.
The utility model provides a corn seed bed arrangement combined operation machine, includes main frame, disc cutter assembly, shearing shovel assembly, spring broach assembly and walking wheel assembly, disc cutter assembly, shearing shovel assembly and spring broach assembly, arranges in proper order on the main frame according to the operation order, the combined operation machine be full-width cultivation machine, the operation breadth is 3 meters.
The disc cutter assembly consists of 7 disc cutter monomers 1 which are arranged at equal transverse intervals, and the interval d between every two adjacent disc cutter monomers 1 1 200mm; the disc cutter unit 1 is transversely connected in a circular tube of the main frame and hinged on the main frame through a fixed pin, and the working depth of the disc cutter assembly is 80mm.
The disc cutter unit 1 consists of a connecting bracket 101, a spring 102, a limiting block 103 and cutter discs 104, wherein the connecting bracket 101 is connected with the spring 102 and the limiting block 103 in a penetrating way, the connecting bracket 101 is fixedly connected with the two cutter discs 104 by using bearing seats, and the transverse distance between the two cutter discs 104 is 200mm.
The shearing shovel assembly consists of 17 shearing shovel monomers 2, a U-shaped clamp is fixedly connected with a main frame, the 17 shearing shovel monomers 2 are respectively arranged on four rows of cross beams of the main frame, the number of the shearing shovel monomers 2 which are sequentially clamped on the four rows of cross beams is 4, 4 and 5, the shearing shovel monomers 2 between different cross beams are arranged in a staggered manner, and the distance d between every two adjacent shovels is projected behind the same cross beam 2 The transverse distance between two adjacent soil loosening hoe shovel monomers 2 is 700mm, and the working depth of the shearing shovel assembly is 100mm.
The shearing shovel unit 2 consists of a connecting plate 201, a shovel handle 202 and a shovel tip 203, wherein the connecting plate 201 is fixedly connected with the shovel handle 202 through bolts, and the shovel handle 202 is fixedly connected with the shovel tip 203 through countersunk square-diameter bolts.
The width A of the cutting edge 203 is 200mm, the entering angle alpha is 4 degrees, the cutting edge is a section of circular arc in a top view, the radius of the circular arc is 600mm, and the cutting edge is parallel to the horizontal plane in a front view. The shovel blade is provided with a plurality of saw teeth, the tooth height of the saw teeth is 4mm, and the pitch p of the saw teeth is 4mm. The bottom of the shovel is provided with a plane W in a bottom view, the width t of the plane is 15mm, and the plane W is parallel to the horizontal plane.
The working principle of the cutting edge is as follows: according to the sliding theory, the sliding cutting angle is small, the cutting is facilitated, and the cutting edge is curved and is more beneficial to cutting than a straight line, the application designs a large-diameter arc cutting edge; meanwhile, the micro saw teeth are designed on the cutting edge, so that the straw can be pierced, and the straw can be cut off; the shovel bottom is provided with a plane which is beneficial to compacting soil.
The specific working principle of the shovel tip is as follows: the horizontal arc shovel blade moving at high speed carries out horizontal shearing on soil and plays a role in scraping a seed bed; meanwhile, the zigzag arc shovel blade has a puncturing and sliding cutting effect on straws, is favorable for cutting, and the shovel bottom plane has a compacting effect on scraped soil, so that a soil seed bed structure with loose top and solid bottom can be formed.
The scarification shovel tip only lifts and falls the plough layer soil E, the plough layer soil E cannot be turned over, the shovel bottom of the shovel tip 203 compacts the soil F1 below the plough layer 80-100mm, and a 'upper deficiency and lower compaction' soil structure with loose soil and compact bottom soil is formed in an operation area after the operation.
The spring comb assembly consists of a depth adjusting device 3, a comb angle adjusting mechanism 4 and comb tooth parts 5, wherein the depth adjusting device 3 is fixedly connected with a main frame by using a U-shaped clamp, the depth adjusting device 3 is fixedly connected with the comb angle adjusting mechanism 4 by bolts, and four groups of comb tooth parts 5 are hinged with the comb tooth angle adjusting mechanism 4 by using the U-shaped clamp.
The depth adjusting device 3 consists of a fixed support 301, a square steel tube 302, a connecting rod 303, a long spring 304, a clamping block 305, a short spring 306, a transmission screw 307, a handle 308, a rotating shaft sleeve 309, an upper connecting round sleeve 310 and a lower connecting round sleeve 311.
The fixed support 301 is hinged with the square steel pipe 302 through bolts, the fixed support 301 is hinged with the connecting rod 303 through bolts, the square steel pipe 302 is hinged with the clamping block 305 through a fixed pin shaft, the connecting rod 303 is provided with a long spring 304 and a short spring 306, a rotating shaft sleeve 309 is welded on the square steel pipe 302, a transmission screw 307 and the rotating shaft sleeve 309 are connected and transmitted in a trapezoid thread mode, a handle 308 is fixedly connected to the transmission screw 307, an upper connecting round sleeve 310 and a lower connecting round sleeve 311 are fixedly connected with the comb tooth angle adjusting mechanism 4 through bolts on the transmission screw 307.
The depth adjusting device 3, the driving screw 307 and the rotating shaft sleeve 309 are connected and rotated in a trapezoid thread form, so that the adjustment of the working depth of the comb teeth part 5 can be realized, and the working depth can be adjusted according to the actual situation.
The method for adjusting the working depth comprises the following steps: by rotating the handle 308 clockwise and rotating the transmission screw 307 in a linkage manner, the upward movement of the working part is realized, and the working depth is reduced; by rotating the handle 308 anticlockwise and rotating the transmission screw 307 in a linkage manner, the working part moves downwards, and the working depth is increased; and by the cooperation of the long spring 304 and the short spring 306, the profiling operation of the machine tool can be performed according to actual conditions.
The comb angle adjusting mechanism 4 consists of a main plate 401, a rotary connecting piece 402, a straight plate 403, an angle adjusting plate 404 and a handle 405.
The rotating connecting piece 402 is connected to the main board 401 through bolts, the rotating connecting piece 402 is hinged to the straight board 403 through bolts, the angle adjusting plate 404 is hinged to the main board 401 through bolts to form a turning point, the handle 405 is hinged to the main board 401 through bolts, the angle adjusting plate 404 is hinged to the straight board 403 through bolts to form a group of parallel four-bar mechanisms, and the working angle of the component can be adjusted by changing the installation hole position between the handle 405 and the angle adjusting plate 404.
The comb angle adjusting mechanism 4 is a parallel four-bar mechanism, which is divided into a left parallel four-bar mechanism and a right parallel four-bar mechanism, wherein the left parallel four-bar mechanism is shown in the above description, and the right parallel four-bar mechanism is not provided with the angle adjusting plate 404 and the handle 405 and can be changed along with the adjustment of the left parallel four-bar mechanism.
The comb part 5 is composed of a circular tube 501, comb teeth 502 and a baffle pad 503, wherein the comb teeth 502 and the baffle pad 503 are fixedly connected on the circular tube 501 by using bolts, and the baffle pad 503 plays a limiting role in the vertical direction to restrict the freedom degree of the comb teeth 502 in the longitudinal movement.
The comb tooth angle adjusting mechanism 4 and the four groups of comb tooth parts 5 are combined for use, and the comb tooth angle adjusting mechanism has the following structural characteristics: the four comb tooth parts 5 are arranged on the comb tooth angle adjusting mechanism 4, the operation width H is 3 meters, the transverse arrangement is arranged in an equidistant staggered mode, the transverse interval K is 500mm, the comb teeth 502 are arranged in a staggered mode, the projection is carried out along the operation direction of the machine tool, the comb teeth 502 are distributed in an equidistant mode, the transverse interval H is 60mm, the full-width operation is achieved, and the passing performance of straw is improved; the working angles of the four comb tooth parts 5 can be adjusted by changing the mounting hole positions on the angle adjusting plate 404, 4 mounting hole positions are arranged on the angle adjusting plate 404, and the working angle is 20 degrees; after the comb teeth 502 are installed on the comb teeth part 5, the unidirectional rotation limiting function is achieved, the comb teeth 502 are hinged to the round tubes 501 through bolts, and due to the fact that a clamping point exists on the structure, the comb teeth 502 are not constrained to rotate along the advancing direction of an implement, are constrained to rotate along the advancing reverse direction of the implement, the unidirectional rotation limiting mechanism has the characteristic of unidirectional rotation in the working process, and the incompletely constrained structure plays an overload protection role on the components in the working process.
The travelling wheel assembly mainly comprises four travelling wheels 6, the outer diameter of the tyre of each travelling wheel is 845mm, the travelling wheels are movably connected to the main frame through a pin shaft, the working depth of the whole machine is adjusted through a hydraulic device matched with a hanging contact of a tractor, and the travelling wheel assembly can also be used as a transport wheel.
The foregoing description is only exemplary embodiments of the present application, and is not intended to limit the scope of the present application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application, or direct or indirect application in other related system fields are included in the scope of the present application.
Claims (1)
1. A corn seed bed finishing combined operation machine comprises a main frame, a disc cutter assembly, a shearing shovel assembly, a spring comb assembly and a travelling wheel assembly, which are sequentially arranged on the main frame according to the operation sequence; the disc cutter assembly comprises disc cutter monomers (1) which are transversely and equidistantly arranged, and the disc cutter monomers (1) are fixedly connected to the main frame; the shearing shovel assembly comprises shearing shovel monomers (2), and the shearing shovel monomers (2) are respectively arranged on four rows of cross beams of the main frame; the spring comb assembly comprises a depth adjusting device (3), a comb angle adjusting mechanism (4) and comb tooth parts (5), wherein the depth adjusting device (3) is fixedly connected with the main frame, the depth adjusting device is fixedly connected with the comb angle adjusting mechanism (4), four groups of comb tooth parts (5) are respectively hinged with the comb angle adjusting mechanism (4), the travelling wheel assembly comprises 2-4 travelling wheels (6), and the travelling wheels (6) are movably connected on the main frame through pin shafts; the disc cutter unit (1) consists of a connecting bracket (101), a spring (102), a limiting block (103) and cutter discs (104), wherein the connecting bracket (101) penetrates through the spring (102) to be connected with the limiting block (103) in a sliding manner and is connected with the two cutter discs (104) through a bearing seat; the adjacent two disc cutter monomers (1) are distributed at equal intervals, and the interval d1 between the adjacent two disc cutter monomers (1) is 200mm;
the shearing shovel unit (2) consists of a connecting plate (201), a shovel handle (202) and a shovel tip (203), wherein the connecting plate (201) and the shovel tip (203) are fixedly connected with the shovel handle (202) through bolts respectively; the width A of the shovel tip (203) is 200-250mm, the soil entering angle alpha is 4-8 degrees, the shovel blade is a section of arc in top view, and the radius of the arc is 500-600mm; the shovel blade is provided with a plurality of saw teeth, the tooth height of the saw teeth is 4-8mm, and the pitch p of the saw teeth is 4-8mm; the shovel bottom is provided with a plane W, the width t of the plane W is 15-20mm, the plane W is parallel to the horizontal plane, and a horizontal arc shovel blade moving at a high speed carries out horizontal shearing on soil to play a role in scraping a seed bed; meanwhile, the zigzag arc shovel blade has a puncturing and sliding cutting effect on straws, so that cutting is facilitated, and the shovel bottom plane has a compacting effect on scraped soil, so that an upper loose and lower solid soil seed bed structure is formed;
the spring comb assembly mainly comprises a depth adjusting device (3), a comb angle adjusting mechanism (4) and comb tooth parts (5), wherein the depth adjusting device (3) is fixedly connected with the main frame, the depth adjusting device (3) is fixedly connected with the comb tooth angle adjusting mechanism (4), and four groups of comb tooth parts (5) are hinged with the comb tooth angle adjusting mechanism (4);
the depth adjusting device (3) consists of a fixed support (301), a square steel tube (302), a connecting rod (303), a long spring (304), a clamping block (305), a short spring (306), a transmission screw (307), a handle (308), a rotary shaft sleeve (309), an upper connecting round sleeve (310) and a lower connecting round sleeve (311); the fixed support (301) is hinged with the square steel tube (302) and the connecting rod (303) respectively, the square steel tube (302) is hinged with the clamping block (305), the connecting rod (303) is provided with a long spring (304) and a short spring (306), the rotating shaft sleeve (309) is welded on the square steel tube (302), the transmission screw (307) and the rotating shaft sleeve (309) are connected and transmitted in a trapezoid thread mode, the handle (308) is fixedly connected with the transmission screw (307), and the upper connecting circular sleeve (310) and the lower connecting circular sleeve (311) fixedly connect the comb angle adjusting mechanism (4) on the transmission screw (307) by using bolts; the comb tooth angle adjusting mechanism (4) consists of a main plate (401), a rotary connecting piece (402), a straight plate (403), an angle adjusting plate (404) and a handle (405);
the rotating connecting piece (402) is connected to the main board (401) through bolts, the rotating connecting piece (402) is hinged to the straight board (403) through bolts, the angle adjusting board (404) is hinged to the main board (401) through bolts to form a turning point, the handle (405) is hinged to the main board (401) through bolts, and the angle adjusting board (404) is hinged to the straight board (403) through bolts to form a group of parallel four-bar mechanism; the comb tooth part (5) consists of a circular tube (501), comb teeth (502) and a baffle pad (503), and the comb teeth (502) and the baffle pad (503) are fixedly connected on the circular tube (501); the shearing shovel monomers (2) are respectively arranged on four rows of cross beams of the main frame, and the projections of all the shearing shovel monomers (2) on one cross beam are equidistant; and the distance d2 between every two adjacent shearing shovel monomers (2) after projection is 170mm-180mm; the distance d2 between every two adjacent shearing shovel monomers (2) is 4 times of the distance d2 between every two adjacent shearing shovel monomers (2) after projection on the same cross beam, and the operation depth of the shearing shovel assembly is 80mm-100mm; the corn seed bed finishing combined operation machine is a full-width tillage machine, the tillage width can be sequentially increased at intervals of 1 meter, and the minimum width is 3 meters; when the cultivation width is larger than 3 meters, the number of the disc cutter units (1) is equal to 2 times of the design width of the machine tool divided by the distance d1 between two adjacent disc cutter units (1); the number of the cutting shovel monomers (2) is equal to the cultivation width divided by the distance d2 between every two adjacent cutting shovel monomers (2) after projection, and the number is rounded and then the similar odd number is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013123.3A CN114342585B (en) | 2022-01-06 | 2022-01-06 | Corn seed bed finishing combined machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013123.3A CN114342585B (en) | 2022-01-06 | 2022-01-06 | Corn seed bed finishing combined machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114342585A CN114342585A (en) | 2022-04-15 |
| CN114342585B true CN114342585B (en) | 2023-08-29 |
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Family Applications (1)
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| CN202210013123.3A Active CN114342585B (en) | 2022-01-06 | 2022-01-06 | Corn seed bed finishing combined machine |
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| US6612381B2 (en) * | 2001-11-06 | 2003-09-02 | Case, Llc | Seedbed preparation implement having rotary disc with adjustable gang angle |
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| US10327373B2 (en) * | 2015-09-23 | 2019-06-25 | Deere & Company | Harrow downforce adjustment |
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| US4787462A (en) * | 1987-01-21 | 1988-11-29 | Nichols Tillage Tools, Inc. | Cultivator sweep |
| RU2025916C1 (en) * | 1993-02-03 | 1995-01-09 | Василий Михайлович Бойков | Working element of soil-tilling implement |
| CN102257896A (en) * | 2010-05-27 | 2011-11-30 | 河北农业大学 | Deep loosing full layer precision corn fertilizer seeder |
| CN107258112A (en) * | 2017-05-26 | 2017-10-20 | 华中农业大学 | Self-excited vibration anti-drag subsoiling shovel |
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| CN107996037A (en) * | 2018-01-18 | 2018-05-08 | 吉林大学 | A kind of bionical deep soil loosing shovel of the low soil disturbance of drag reduction |
| WO2019174180A1 (en) * | 2018-03-13 | 2019-09-19 | 江苏农林职业技术学院 | Subsoiling and fertilizing machine for tea gardens |
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| CN110809923A (en) * | 2019-05-06 | 2020-02-21 | 吉林大学 | Automatic control tillage machine for straw clearing width and tillage depth of seed bed strip |
| CN211702895U (en) * | 2020-01-13 | 2020-10-20 | 江苏富捷刀业有限公司 | Plough shovel for cultivator |
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| CN114342585A (en) | 2022-04-15 |
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