V-shaped extrusion type soil covering compacting machine

Abstract

The utility model provides a V-shaped extrusion type earthing compacting machine, which relates to the technical field of agricultural machinery and comprises a fixed support, a movable support, an earthing compacting wheel, an angle adjusting mechanism, a compacting force adjusting mechanism and a crushed soil shaping mechanism. The front part of the movable bracket is provided with an angle adjusting positioning hole, and the upper part is provided with a pressure adjusting slideway and a positioning clamping groove; the angle adjusting mechanism, the movable support and the fixed support form a hinged structure through bolts and nuts. The pressing force adjusting mechanism comprises an adjusting handle, a tension spring and a positioning hanging rod, the lower end of the adjusting handle is hinged to the bottom of the movable support, one end of the tension spring is hung on the positioning hanging rod of the fixed support, and the other end of the tension spring is hung on a positioning hole in the lower portion of the movable support. And the crushed soil shaping mechanism is fixedly connected with the movable bracket through a bolt and a nut. The utility model integrates the functions of earthing, compacting and broken soil shaping, does not need to arrange a plurality of devices front and back, simplifies the structure of the seeding machine, shortens the length of the machine, and improves the working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a soil covering and pressing device, in particular to a V-shaped extrusion type soil covering and pressing device, belonging to the technical field of agricultural machinery. BACKGROUND

[0002] In precision seeding operation, soil covering and pressing are key links to guarantee seed germination rate: soil covering needs to realize tight covering of seeds in seed furrow, and the soil covering amount is appropriate and uniform; pressing needs to improve soil compactness, enhance the water absorption capacity of seedling soil, make seeds and wet soil in close contact, and achieve the effect of moisture supply, moisture preservation and moisture supply, both of which directly affect the seed growth environment and the final crop yield.

[0003] At present, the soil covering and pressing device of the seeding machine is mainly divided into two types:

[0004] Split structure: composed of soil covering device (such as disc type, eight-shaped scraper type) and pressing device (various pressing wheels) arranged in front and back, which needs to be used in combination - this structure leads to complex overall structure of the seeding machine, increases the length of the machine, and limits the operation flexibility;

[0005] Integral structure: although it can realize soil covering and pressing functions simultaneously, it has obvious defects: the device structure parameters are not reasonably designed, the pressing wheels are mostly flat, the extrusion capacity of the soil on the side wall of the seed furrow is limited, and the soil on both sides cannot be smoothly pressed back to the seed furrow; and the adjustment is complicated, the soil environment range is narrow (such as high soil moisture content or compacted and hardened soil), and the problems of substandard soil covering and pressing and poor contact between seeds and soil are prone to occur, and in severe cases, the phenomenon of "seed airing" may occur, resulting in inconsistent seed emergence.

[0006] In view of the defects of the existing technology, a device that can be flexibly adjusted, adapt to various soil conditions, and efficiently complete soil covering and pressing simultaneously is needed to solve the defects of the existing device. INVENTION CONTENTS

[0007] The utility model aims at overcoming the defects of the existing soil covering and pressing device, providing a V-shaped extrusion type soil covering and pressing device, realizing "soil covering-pressing-soil crushing and shaping" integrated operation, flexibly adjusting the pressing angle and pressing force, adapting to different soil conditions, avoiding the "seed airing" phenomenon, and improving the seed emergence rate.

[0008] The utility model discloses a V type extrusion formula earthing packer, including fixed support, movable support, earthing packer wheel, angle adjusting mechanism, pack pressure adjusting mechanism and soil breaking and shaping mechanism, the fixed support is frame type structure, and is integrally formed after welding through the reserved positioning hole plug-in positioning, and is fixed through bolt with sowing monomer, movable support is the main frame of plate body and is formed through laser cutting, bending, welding, and is equipped with angle adjusting positioning hole in its front part, and is equipped with pressure adjusting slide and positioning clamping groove in its upper part, earthing packer wheel is detachably connected through the wheel shaft, nut and movable support lower part side plate, angle adjusting mechanism forms the hinged structure through bolt, nut and movable support, fixed support, pack pressure adjusting mechanism includes adjusting handle, tension spring and positioning hanging rod, and adjusting handle lower extreme is hinged with movable support bottom, and one end of tension spring is hung on the positioning hanging rod of fixed support, and the other end is hung on movable support lower part positioning hole, soil breaking and shaping mechanism is fixedly connected through bolt, nut and movable support.

[0009] As a further scheme of the utility model, the wheel body periphery of the earthing packer wheel is of rubber material, and 12 circular convex structures are arranged outside the rim.

[0010] As a further scheme of the utility model, the angle adjusting mechanism is provided with an eccentric shaft, and the angle of the earthing packer wheel can be adjusted by rotating the eccentric shaft.

[0011] As a further scheme of the utility model, the movable support is of a U-shaped frame structure and is welded with reinforcing ribs.

[0012] As a further scheme of the utility model, the wheel core of the earthing packer wheel is of cast iron material, the rubber layer has a thickness of 20mm, and has a Shore hardness of 65±5.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model integrates the functions of earthing, packing, soil breaking and shaping, and does not need to arrange multiple devices in front and back, thereby simplifying the structure of the seeding machine, shortening the length of the machine tool, and improving the operation efficiency.

[0015] 2. The utility model adjusts the outward inclination angle of the earthing packer wheel through the angle adjusting mechanism, adjusts the packing pressure through the pack pressure adjusting mechanism, adapts to various soil working conditions such as high water content and hardening, and solves the problems of the prior art such as complicated adjustment and poor adaptability.

[0016] 3. The V-shaped extrusion structure + rubber wheel body + circular protrusion design can smoothly press the soil on both sides of the seed trench back into the seed trench, break up the soil clumps, reduce soil adhesion, avoid the "airing seed" phenomenon, fully contact the seeds with the soil, and improve the emergence rate and crop yield.

[0017] 4. The detachable, welded and integrated design of the components (such as the detachable covering and pressing wheel and the wheel shaft) is convenient for later maintenance and replacement, and prolongs the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall structure of the utility model is shown in the figure.

[0019] Figure 2 The working schematic diagram of the covering and pressing wheel in the utility model is shown in the figure.

[0020] Figure 3 The structure schematic diagram of the covering and pressing wheel in the utility model is shown in the figure.

[0021] Figure 4 The cooperation schematic diagram of the fixed support and the positioning hanging rod in the utility model is shown in the figure.

[0022] Figure 5 The structure schematic diagram of the movable support in the utility model is shown in the figure.

[0023] Figure 6 The structure schematic diagram of the eccentric shaft in the utility model is shown in the figure.

[0024] 1, fixed support; 2, movable support; 3, covering and pressing wheel; 4, angle adjusting mechanism; 5, pressing force adjusting mechanism; 6, soil breaking and shaping mechanism; 7, adjusting handle; 8, tension spring; 9, positioning hanging rod; 10, circular protrusion structure; 11, angle adjusting positioning hole; 12, positioning clamping groove; 13, eccentric shaft. DETAILED DESCRIPTION

[0025] The utility model embodiment provides a V-shaped extrusion type covering and pressing device.

[0026] Please refer to Figures 1-6The utility model relates to a V type extrusion type covering and rolling device, including fixed support 1, movable support 2, covering and rolling wheel 3, angle adjusting mechanism 4, rolling force adjusting mechanism 5 and soil breaking and shaping mechanism 6, the fixed support 1 is frame type structure, and is integrally formed by welding after inserting and positioning through the reserved positioning hole, and is fixed through bolt with seeding unit, the movable support 2 is the main frame of plate body and is formed by laser cutting, bending and welding, and is equipped with angle adjusting positioning hole 11 in the front part, and is equipped with pressure adjusting slide and positioning clamping groove 12 in the upper part, the covering and rolling wheel 3 is detachably connected through the wheel shaft, nut and the lower side plate of movable support 2, the angle adjusting mechanism 4 forms the hinged structure through bolt, nut and movable support 2, fixed support 1, the rolling force adjusting mechanism 5 includes adjusting handle 7, tension spring 8 and positioning hanging rod 9, and the lower end of adjusting handle 7 is hinged with the bottom of movable support 2, one end of tension spring 8 is hung on the positioning hanging rod 9 of fixed support 1, and the other end is hung on the lower positioning hole of movable support 2, the soil breaking and shaping mechanism 6 is fixedly connected through bolt, nut and movable support 2,

[0027] The outer periphery of the wheel body of the covering and rolling wheel 3 is rubber material, and 12 circular convex structures 10 are arranged on the outer periphery of the rim, and a symmetrical outward inclination included angle alpha is formed between the left and right covering and rolling wheels 3, and the included angle alpha is 35 degrees.

[0028] The angle adjusting mechanism 4 is provided with an eccentric shaft 13, and the angle of the covering and rolling wheel 3 can be adjusted by rotating the eccentric shaft 13.

[0029] The movable support 2 is a U-shaped frame structure, and reinforcing ribs are welded.

[0030] The wheel core of the covering and rolling wheel 3 is cast iron material, the thickness of the rubber layer is 20 mm, and the Shore hardness is 65±5.

[0031] In the northeast black soil area (soil moisture content is 18%~22%), a corn seeding test is carried out, and after using the device:

[0032] The uniformity of covering reaches 92% (the existing device is 85%);

[0033] The contact rate of seeds and soil reaches 98% (the existing device is 90%);

[0034] The corn emergence rate is increased by 7%~9%, and there is no "seed airing" phenomenon;

[0035] The operation efficiency is increased by 15% compared with the existing device (without separately adjusting the covering and rolling mechanism).

[0036] The utility model integrates the functions of covering, rolling, soil breaking and shaping, and does not need to arrange multiple devices in front and back, simplifies the structure of the seeding machine, shortens the length of the machine, and improves the operation efficiency.

[0037] The utility model discloses adopt V extrusion structure + rubber wheel body + circular convex design, can press back the soil of seed ditch both sides smoothly again in seed ditch, can break the soil block, reduce soil adhesion, avoid " airing seed " phenomenon, make seed and soil contact fully, improve the emergence rate and crop yield.

[0038] The utility model discloses adopt V extrusion structure + rubber wheel body + circular convex design, can press back the soil of seed ditch both sides smoothly again in seed ditch, can break the soil block, reduce soil adhesion, avoid " airing seed " phenomenon, make seed and soil contact fully, improve the emergence rate and crop yield.

[0039] The utility model discloses adopt V extrusion structure + rubber wheel body + circular convex design, can press back the soil of seed ditch both sides smoothly again in seed ditch, can break the soil block, reduce soil adhesion, avoid " airing seed " phenomenon, make seed and soil contact fully, improve the emergence rate and crop yield.

[0040] The utility model discloses adopt V extrusion structure + rubber wheel body + circular convex design, can press back the soil of seed ditch both sides smoothly again in seed ditch, can break the soil block, reduce soil adhesion, avoid " airing seed " phenomenon, make seed and soil contact fully, improve the emergence rate and crop yield. The skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model. These changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A V-shaped extrusion type covering and pressing device, characterized by comprising: The utility model relates to a kind of soil covering and rolling wheel, including fixed support (1), movable support (2), soil covering and rolling wheel (3), angle adjusting mechanism (4), rolling force adjusting mechanism (5) and soil crushing and shaping mechanism (6);The fixed support (1) is frame structure, and is integrally formed by welding after being inserted and positioned by reserving positioning hole, and is fixed by bolt with seeding unit;The movable support (2) is the main frame of plate body and is formed by laser cutting, bending and welding, and is equipped with angle adjusting positioning hole (11) in front part, and is equipped with pressure adjusting slide and positioning slot (12) in upper part;The soil covering and rolling wheel (3) is detachably connected with the lower side plate of movable support (2) by wheel shaft, nut;The angle adjusting mechanism (4) is formed into hinged structure with movable support (2), fixed support (1) by bolt, nut;The rolling force adjusting mechanism (5) includes adjusting handle (7), tension spring (8) and positioning hanging rod (9), adjusting handle (7) lower end is hinged with movable support (2) bottom, one end of tension spring (8) is hung on the positioning hanging rod (9) of fixed support (1), and the other end is hung on the lower positioning hole of movable support (2);The soil crushing and shaping mechanism (6) is fixedly connected with movable support (2) by bolt, nut.

2. The V-shaped extrusion type land-pressing device according to claim 1, wherein The outer periphery of the wheel body of the soil covering and rolling wheel (3) is rubber material, and 12 circular convex structures (10) are arranged on the outer periphery of the rim;The left and right soil covering and rolling wheels (3) form symmetrical outward inclination included angle α, and the included angle α is 35 °.

3. The V-shaped extruding, covering and compacting device according to claim 1, characterized in that The angle adjusting mechanism (4) is equipped with eccentric shaft (13), and the angle of the soil covering and rolling wheel (3) can be adjusted by rotating the eccentric shaft (13).

4. The V-shaped extrusion type coverer and presser according to claim 1, wherein The movable support (2) is "U-shaped frame structure, and is welded with reinforcing rib.

5. The V-shaped extruded coverer according to claim 1, wherein The wheel core of the soil covering and rolling wheel (3) is cast iron material, the thickness of rubber layer is 20mm, and the shore hardness is 65±5.

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