CN105940822B - For the breaking trench digging and covering device of rice stubble no-tillage seeding machine - Google Patents

Abstract

The invention relates to a stubble-breaking ditching and soil-covering device for a rice stubble no-tillage planter. The stubble-breaking assembly includes a stubble-breaking disk part, and the disk part has a sharp blade, which can cut the land when rotating. And cut off the straw and weeds on the surface; the ditch loosening parts include a pair of ditch side loosening disc parts that are inclined from top to bottom and centered on the stubble disc part. The disc part corresponds to the position of the ditch soil, and cuts the ditch soil when rotating; the soil part includes a pair of soil parting wheels that are inclined from front to back and symmetrical on both sides with the stubble breaking disc part as the center. It is in the shape of a windmill, and the surface of the claw to the soil is smooth and curved; the soil pulling wheel is driven by external power to rotate. The main feature of the present invention is the cooperation of the front stubble breaking disk, the rear two ditch edge loosening disks arranged obliquely, and the soil moving parts arranged behind, which better ensure the passability of the implement and the quality of operation.

Description

Stubble breaking ditching and soil covering device for rice stubble no-tillage seeder

technical field

The invention relates to a seeder auxiliary device, in particular to a device for breaking stubble, ditching and soil covering of a rice stubble no-tillage seeder, and belongs to the technical field of seeder auxiliary devices.

Background technique

Rice stubble no-tillage sowing wheat does not damage the soil structure, is conducive to soil moisture conservation, and can save investment in machine tillage, which is a better planting method.

However, in the prior art, after the rice is harvested, there will be straw on the ground, and the ditch opener of the planter will hang grass and block up during the advancement process; The back cover soil is unreliable (especially the soil fluidity on both sides of the ditch is poor, and the cover soil suppression wheel cannot reliably push the soil on both sides into the ditch), resulting in the inability to close the seed ditch, and the seeds are exposed and cannot be covered by the soil, resulting in a decrease in the emergence rate. affect the quality of sowing.

Contents of the invention

The technical problem to be solved by the present invention is: in the prior art, after the rice is harvested, there will be straw on the ground, and the ditch opener of the seeder will hang grass and be blocked during the advancing process; and the soil moisture content of the rice stubble is relatively high, and the soil is heavy , Poor fluidity, unreliable covering soil after sowing in furrows (especially poor soil fluidity on both sides of the ditch, soil suppression wheel cannot reliably push the soil on both sides into the ditch), resulting in the seed ditch cannot be closed, the seeds are exposed and cannot be covered by the soil , resulting in a decrease in the emergence rate and affecting the quality of sowing.

The present invention takes the following technical solutions:

A stubble-breaking ditching and soil-covering device for a rice stubble no-tillage planter. The stubble-breaking ditching and soil-covering device is sequentially provided with a stubble breaking assembly 3, a ditch opener 2, and a ditch edge pine on the same line from front to back. Soil part 1, soil parting part, pressing wheel part 4; Described stubble breaking assembly 3 comprises breaking stubble disc part 301, and described disc part 301 has sharp blade, can cut seam to land when rotating, and ground surface Straw and weeds are cut off; the ditch opener 2 is used for ditching along the kerf; the ditch edge loosening part 1 includes a pair of top-to-bottom and inwardly inclined, centered on the stubble disc part 301 The ditch edge loosening disc part 101 with symmetrical sides, the ditch edge loosening disc part 101 corresponds to the position of the ditch soil, and cuts the ditch soil when rotating, so that the soil close to the ditch is separated from the surrounding soil after cutting; The earth moving parts include a pair of earth moving wheels 6 that are inclined inwardly from front to back and centered on the stubble breaking disk part 301. The earth moving wheels 6 are windmill-shaped and have a plurality of radially divergent The claw, the claw is a smooth curved surface to the soil; the soil-setting wheel 6 is driven by external power to rotate; when the planter is moving, the soil-setting wheel 6 moves backward and inward at the same time; The wheel part 4 is in an inverted splayed shape, and a pair of pressing wheels compact the soil inwardly.

Further, the earth-moving component further includes a sprocket 5, which is coaxially fixed with the earth-moving wheel 6, and is driven by a chain.

Further, the bottom of the ditch loosening disk part 101 is higher than the bottom of the stubble breaking disk part 301 .

Further, the angle between the ditch loosening disc part 101 and the stubble breaking disc part 301 is 30°.

Further, the distance between the bottom of the disk part 101 and the stubble breaking disk part 301 is 10 cm.

Further, the stubble breaking assembly 3, the ditch opener 2, the ditch loosening part 1, the soil removing part and the soil covering wheel part 4 are all fixed on the main structure of the rice stubble no-tillage seeder.

Further, the claw is crescent-shaped.

The beneficial effects of the present invention are:

1) The stubble breaker cuts the soil and cuts the grass in front of the opener of the seeder to facilitate ditching.

2) The ditch loosening part cleverly cuts the ditch soil after ditching, which separates the ditch soil from the soil next to it, which is convenient for soil covering when covering the soil, is conducive to the closure of the ditch, and prevents the seeds from being exposed , so as to increase the emergence rate and improve the quality of sowing.

3) The lower side of the disc can cut into the sides of the trench opened by the opener, and cut a part of the soil on the side of the ditch, which also plays a role in loosening the soil, so that the subsequent soil covering and suppression parts can push the soil on the side of the ditch into the ditch Inside, thus ensuring the reliability of the covering soil.

4) The soil moving parts move backward and inward, which can not only realize the function of moving soil inward, but also match the trend of the planter moving forward, and the effect of moving soil is better; The soil surface is smooth and curved to ensure that weeds will not be pushed into the ditch when removing the soil, and the effect of removing the soil is better, and the design is ingenious.

4) Due to the high water content of rice stubble soil, heavy soil viscosity and poor fluidity, the present invention is especially suitable for use in rice stubble soil, which greatly improves the fluidity of soil on both sides of the ditch, and facilitates the soil pressing wheel to reliably push the soil on both sides to the ditch Here, for clay-heavy soils, it has unexpected technical effects.

Description of drawings

Fig. 1 is the front view of the device for breaking stubble, ditching and covering soil of the present invention for the rice stubble no-tillage seeder.

Fig. 2 is a partially enlarged view of the earth-moving component in Fig. 1 .

Fig. 3 is a left sectional view of the soil loosening part from the side of the ditch after removing the ditch opener in Fig. 1 .

Fig. 4 is a cross-sectional view of a ditch loosening disc member.

Fig. 5 is a front view of the stubble breaking assembly.

Fig. 6 is a left sectional view of the stubble breaking assembly.

Fig. 7 is a sectional view taken along line A-A in Fig. 6 .

Fig. 8 is a front view of the earth moving wheel.

Fig. 9 is a sectional view of the dial.

Figure 10 is a top view of a pair of soil wheel assemblies.

Fig. 11 is a front view of a pressing wheel unit.

Fig. 12 is a left side view of the pressing wheel assembly.

Fig. 13 is a top view of the pressing wheel assembly.

In the figure, 1. ditch loosening parts, 2. ditch opener, 3. stubble breaking assembly, 101. ditch loosening disc parts, 301. stubble breaking disc parts, 4. pressing wheel parts, 5. chain Wheel, 6. Dirt wheel.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to Fig. 1-Fig. 10, a device for breaking stubble, ditching and covering soil of rice stubble no-tillage seeder, the device for breaking stubble, ditching and covering soil is provided with stubble breaking assembly 3, opening Ditch device 2, ditch edge loosening part 1, soil parting part, and pressing wheel part 4; described stubble breaking assembly 3 includes breaking stubble disc part 301, and described disc part 301 has a sharp blade, which can damage the land when rotating. Carry out the cutting, and cut off the straw and weeds on the surface; the opener 2 is used for ditching along the cutting; The stubble disc part 301 is the ditch edge loosening disc part 101 that is symmetrical on both sides of the center, and the ditch edge loosening disc part 101 is corresponding to the position of the ditch soil. The soil is separated from the surrounding soil; the soil-moving parts include a pair of soil-moving wheels 6 that are inclined inwardly from front to back, centered on the stubble-breaking disk part 301, and are symmetrical on both sides. The soil-moving wheels 6 are windmill-shaped, It has a plurality of radially divergent claws, and the claws have a smooth curved surface to the soil; the soil-setting wheel 6 is driven by external power to rotate; when the planter is moving, the soil-setting wheel 6 moves backward simultaneously Dial the soil inwardly; the pressing wheel part 4 is in an inverted splayed shape, and a pair of pressing wheels compacts the soil inwardly.

Referring to Fig. 2 and Fig. 8-10, the soil-moving component further includes a sprocket 5, which is coaxially fixed with the soil-moving wheel 6, and is driven by a chain.

Referring to Fig. 3, the bottom of the disc part 101 for loosening soil at the edge of the ditch is higher than the bottom of the disc part 301 for breaking stubble.

Referring to Fig. 3, the included angle between the ditch loosening disc part 101 and the stubble breaking disc part 301 is 30°.

Referring to FIG. 3 , the distance between the bottom of the disk member 101 and the stubble breaking disk member 301 is 10 cm.

Referring to Fig. 1 , the stubble breaking assembly 3, ditch opener 2, ditch loosening part 1, soil removing part and soil covering wheel part 4 are all fixed on the main structure of the rice stubble no-tillage planter.

Referring to Fig. 2, the claw is crescent-shaped.

The broken stubble disc part 301 is perpendicular to the ground, cuts a slit on the ground, cuts off the surface straw and weeds, and prevents the straw and weeds from hanging on the ditch opener at the rear. Ditch edge loosening disk part 101 is arranged by two sets of disks similar to the stubble-breaking disk part but the size of the stubble-breaking disk part is small. On both sides of the ditch, cutting a part of the ditch soil also plays a role in loosening the soil, which is convenient for the subsequent soil covering and suppression parts to push the ditch soil into the ditch, thereby ensuring the reliability of the covering soil.

The earth-moving wheel 6 and the sprocket 5 are fixedly connected together, and the sprocket is driven by the power of the planter through the chain to rotate, thereby driving the soil-moving wheel to rotate, and the soil on the side of the ditch is moved into the ditch, and the soil is forced to be moved to increase the The fluidity of clay-heavy soil improves the reliability of covering soil. The soil is then compacted by the two pressing wheels arranged in an inverted "eight" pattern closely following it.

The main feature of the present invention is the cooperation of the front stubble breaking disk, the rear two ditch edge loosening disks arranged obliquely, and the soil moving parts arranged behind, which better ensure the passability of the implement and the quality of operation.

Claims (7)

1. It is 1. a kind of for the breaking trench digging of rice stubble no-tillage seeding machine and the device of earthing, it is characterised in that：

   The device of breaking trench digging and earthing is equipped with breaking component (3), plough (2), limes marginis on same straight line successively from front to back Loose soil (1) dials native component, suppression wheel component (4)；

   The breaking component (3) includes breaking disc parts (301), and the disc parts (301) have sharp blade, rotate When joint-cutting can be carried out to soil, and earth's surface straw and weeds are cut off；

   The plough (2) is used to ditch along joint-cutting；

   The limes marginis loose soil (1) include it is a pair of it is intilted from top to bottom, two centered on breaking disc parts (301) The symmetrical limes marginis in side loosens the soil disc parts (101), and the limes marginis disc parts (101) that loosen the soil are corresponding with limes marginis soil locations, turn Limes marginis soil is cut when dynamic, the soil after cutting close to ditch is made to be separated with Soil Surrounding；

   Described group of native component includes a pair from front to back is intilted, both sides are symmetrical centered on breaking disc parts (301) Soil moving wheel (6), the soil moving wheel (6) is in windmill, has multiple pusher dogs radially, the pusher dog stirs soil Face is in smooth curved；The soil moving wheel (6) is driven by external impetus and rotated；When seeder is advanced, soil moving wheel (6) is same backward When inwardly carry out dial soil；

   Wheel component (4) is suppressed in inverted eight like, a pair of of press wheel is inwardly by soil compression.
2. 2. as described in claim 1 for the breaking trench digging of rice stubble no-tillage seeding machine and the device of earthing, it is characterised in that：Institute It states group native component and further includes sprocket wheel (5), the sprocket wheel (5) and the coaxial fixed setting of soil moving wheel (6), and pass through chain to the chain Wheel is driven.
3. 3. as described in claim 1 for the breaking trench digging of rice stubble no-tillage seeding machine and the device of earthing, it is characterised in that：Institute State limes marginis loosen the soil disc parts (101) bottom be higher than breaking disc parts (301) bottom.
4. 4. as described in claim 1 for the breaking trench digging of rice stubble no-tillage seeding machine and the device of earthing, it is characterised in that：Institute It is 30 ° to state the angle that limes marginis loosens the soil between disc parts (101) and breaking disc parts (301).
5. 5. as described in claim 1 for the breaking trench digging of rice stubble no-tillage seeding machine and the device of earthing, it is characterised in that：Institute It is 10cm to state the spacing that limes marginis loosens the soil between the bottom of disc parts (101) and breaking disc parts (301).
6. 6. as described in claim 1 for the breaking trench digging of rice stubble no-tillage seeding machine and the device of earthing, it is characterised in that：Institute Breaking component (3), plough (2), limes marginis loose soil (1), group native component, suppression wheel component (4) is stated to be each attached to rice stubble and exempt from It ploughs in the agent structure of seeder.
7. 7. as described in claim 1 for the breaking trench digging of rice stubble no-tillage seeding machine and the device of earthing, it is characterised in that：Institute Pusher dog is stated in crescent.