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Improved no-tillage reseeding machine ditching cutter suitable for high and cold natural grassland

A trenching knife, an improved technology, applied in the directions of excavation/covering trenches, application, planting methods, etc., can solve the problems of large scale and dense distribution of gravel, and achieve uniform trenching depth and width, and the trenching process is continuous. , the effect of high durability

Active Publication Date: 2019-06-18
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Aiming at the above-mentioned problems existing in the prior art, the present invention provides an improved no-tillage reseeding machine ditching knife suitable for alpine natural grassland. It solves the problem of ditching when the gravel in the soil layer is large and densely distributed, which is of great significance to the ecological protection and construction of high-altitude natural grasslands

Method used

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  • Improved no-tillage reseeding machine ditching cutter suitable for high and cold natural grassland
  • Improved no-tillage reseeding machine ditching cutter suitable for high and cold natural grassland
  • Improved no-tillage reseeding machine ditching cutter suitable for high and cold natural grassland

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] In this embodiment, 60 ordinary ditching knives are evenly installed on six flanges through 120 bolts, and the flanges are welded on the rotating shaft of a no-tillage supplementary seeding machine. When installing, as Figure 1-Figure 3 , Ordinary ditching knife rotates counterclockwise after installation, and the movement direction of the no-tillage supplementary seeding machine is to the right. The forward speed of the no-tillage supplementary seeding machine is set to 10 km / h, and the rotational speed of the rotating shaft is set to 600 rpm. In the surface layer of alpine natural grassland with dense distribution of pebbles (within 10 cm below the ground, the distribution density of large pebbles with an average diameter of more than 30 cm exceeds 2.5 pieces / m3, and the distribution of small and medium-sized pebbles with an average diameter of 3 to 30 cm Density over 3000 pieces / cubic meter), the ditching test was carried out with a ditching distance of 500 meters. ...

Embodiment 2

[0065] In this example, the test scheme is the same as that in Example 1, the difference is that the trenching knife used in this example is an improved trenching knife. When installing, such as Figure 4-Figure 6, After the improved ditching knife is installed, turn it counterclockwise, and the movement direction of the no-tillage supplementary seeding machine is to the right. The test results are shown in Table 6-Table 9:

[0066] Table 6 Statistical table of trenching depth values ​​randomly selected from 30 points (unit: mm)

[0067]

[0068] Table 7 Statistical table of ditch width values ​​randomly selected from 30 points (unit: mm)

[0069]

[0070] Table 8 Cobblestone Quantity Statistics

[0071]

[0072] Table 9 Statistical table of damage to components of the ditching system

[0073]

[0074] The test data of the improved ditching knife shows that the ditching test is carried out on the natural grassland surface with dense distribution of cobblestones...

Embodiment 3

[0078] In this embodiment, the impact durability test is carried out on the improved ditching knife.

[0079] Such as Figure 7-Figure 10 As shown, the ditch knife-cobblestone impact test device is mainly composed of five parts: container system I, left forward system II, right forward system III, protection system IV, and ditching system V.

[0080] The storage container system I includes a box body I-1, a vibrating plate I-2, and pebbles I-3. The vibrating plate I-2 is placed on the inner bottom of the box I-1, and the pebbles I-3 are placed on the vibrating plate I-2 and surrounded by the inner wall of the box I-1. The box Ⅰ-1 is fixed to the ground and will not move in the horizontal direction; the vibration plate Ⅰ-2 vibrates up and down when it is working, and the vibration frequency ranges from 9000 to 15000 times per minute; the role of pebbles Ⅰ-3 on the vibration plate Ⅰ-2 Rearrange the positions below; the left forward system II is located on the left side of the ...

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Abstract

The invention discloses an improved no-tillage reseeding machine ditching cutter suitable for high and cold natural grassland. The ditching cutter is formed by subtracting the space contained by a plurality of cylindrical faces from the space contained by a cutting edge arc face, four cutting edge faces, two cutting edge side faces, two mounting side faces, two cutter side faces and a cutter bottom face. The improved no-tillage reseeding machine ditching cutter can adapt to the surface layer of the natural grassland of a high-altitude cold region, the problem about ditching at the state that gravel in a soil layer is large in scale and is densely distributed is solved, and the improved no-tillage reseeding machine ditching cutter is of great significance on ecological protection and construction projects of the high-altitude natural grassland.

Description

technical field [0001] The invention belongs to the technical field of special equipment, relates to ditching knives, in particular to an improved no-tillage reseeding machine ditching knives suitable for alpine natural grasslands. Background technique [0002] In the ecological protection and construction of natural grasslands in high-altitude cold areas, no-tillage supplementary seeding machines are widely used. As a core component of the no-tillage reseeding machine, the ditching knife directly determines the ditching effect and performance of the no-tillage reseeding machine on natural grasslands characterized by dense cobblestone distribution. [0003] For this reason, people have done a large amount of technical work on ditch knife field. [0004] The Chinese utility model patent with the application number "201020574610.X" and the name "a ditching knife" provides a helical blade, including the rim, and several helical blades are evenly distributed on the periphery of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C5/06
Inventor 武俊喜刘志林刘治
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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