Multi-stage deep scarification device based on additional rack system of rotary cultivator

Abstract

The utility model relates to a multi-stage deep scarification device based on a rotary cultivator additional rack system, which belongs to the technical field of land deep scarification equipment and particularly comprises a rack and a rotary cultivator mounted on the rack, a first stubble-cutting straw-cleaning deep scarification cutter is mounted at the front part of the rotary cultivator, and a second stubble-cutting straw-cleaning deep scarification cutter is mounted at the rear part of the rotary cultivator. The rear part of the rotary cultivator is provided with a second stubble cutting and straw cleaning subsoiling cutter and a third stubble cutting and straw cleaning subsoiling cutter, and the first stubble cutting and straw cleaning subsoiling cutter, the second stubble cutting and straw cleaning subsoiling cutter and the third stubble cutting and straw cleaning subsoiling cutter are respectively arranged on the rack; the upper portion of the first stubble-cutting and straw-cleaning subsoiling cutter, the upper portion of the second stubble-cutting and straw-cleaning subsoiling cutter and the upper portion of the third stubble-cutting and straw-cleaning subsoiling cutter are fixedly connected with the machine frame through pull rods, a follow-up frame is further hinged to the tail of the machine frame, a pressing roller is installed on the follow-up frame, and the subsoiling machine is simple in structure, reasonable in design and capable of greatly improving subsoiling efficiency and conducting subsoiling in a grading mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multi-level deep loosening device based on additional rack system of rotary cultivator, belong to land deep loosening equipment technical field. BACKGROUND

[0002] Combined deep loosening and land preparation operation can reduce plough bottom layer barrier, deepen tillage layer, also can reduce soil bulk density, improve soil permeability, thereby enhance soil water storage and anti-drought ability, be conducive to crop growth and development and improve yield.

[0003] Deep loosening operation requires higher power, and existing deep loosening operation usually uses large horsepower tractor to operate, and small and medium horsepower tractor is difficult to be widely used for deep loosening or in deep loosening combined operation due to insufficient power. The existing connection and fixing mode of deep loosening knife and deep loosening machine rack is that the upper end of deep loosening knife is directly fixed on rack through knife seat and bolt, and when soil deep loosening operation is carried out, deep loosening knife forms strong torsional moment on knife seat and rack, which forms huge tearing force on rack weld, easily causes serious rack distortion and structural damage problem, increases maintenance cost, and affects operation efficiency.

[0004] Meanwhile, the existing deep loosening hook on combined deep loosening machine mainly adopts simple single structure, and when soil deep loosening operation is carried out, it cannot timely separate when encountering root stubble and ground straw in soil, easily causes large root stubble and straw to wind deep loosening blade, increases the width and depth of deep loosening furrow, simultaneously increases power consumption, affects deep loosening quality, working efficiency, and increases operation cost. UTILITY MODEL CONTENT

[0005] To solve the technical problems existing in prior art, the utility model provides a kind of multi-level deep loosening device based on additional rack system of rotary cultivator, which is simple in structure, reasonable in design, avoids rack torsional moment damage and weld tearing, and can be classified and deep loosened.

[0006] To achieve the above-mentioned purpose, the utility model employs the technical scheme of a kind of multi-level deep loosening device based on additional rack system of rotary cultivator, which includes rack and rotary cultivator installed on rack, first broken stubble and straw deep loosening knife is installed on the front of rotary cultivator, second broken stubble and straw deep loosening knife and third broken stubble and straw deep loosening knife are installed on the rear of rotary cultivator, first broken stubble and straw deep loosening knife, second broken stubble and straw deep loosening knife and third broken stubble and straw deep loosening knife are respectively installed on rack, and the upper part of first broken stubble and straw deep loosening knife, second broken stubble and straw deep loosening knife and third broken stubble and straw deep loosening knife is also connected and fixed between rack through pull rod, the tail of rack is also hingedly connected with follow-up frame, and compacting roller is installed on follow-up frame.

[0007] Preferably, the first stubble cleaning and straw removing deep scarifier, the second stubble cleaning and straw removing deep scarifier and the third stubble cleaning and straw removing deep scarifier are arranged in a straight line, and the deep scarifying depths of the first stubble cleaning and straw removing deep scarifier, the second stubble cleaning and straw removing deep scarifier and the third stubble cleaning and straw removing deep scarifier increase in turn.

[0008] Preferably, the deep scarifying depth of the first stubble cleaning and straw removing deep scarifier is 3-5 cm, the deep scarifying depth of the second stubble cleaning and straw removing deep scarifier is 12-17 cm, and the furrowing depth of the third stubble cleaning and straw removing deep scarifier is 20-35 cm.

[0009] Preferably, the first stubble cleaning and straw removing deep scarifier, the second stubble cleaning and straw removing deep scarifier and the third stubble cleaning and straw removing deep scarifier have the same structure and each include a blade body, a deep scarifier head and a stubble and straw removing sawtooth blade, the blade body is provided with a connecting hole, the bottom of the blade body is provided with an arc-shaped connecting rod, the end of the arc-shaped connecting rod is provided with the deep scarifier head, the stubble and straw removing sawtooth blade is installed in the arc of the arc-shaped connecting rod, and the two ends of the stubble and straw removing sawtooth blade are fixed to the arc-shaped connecting rod and the blade body respectively.

[0010] Preferably, the blade body includes two connecting rods and a fixing plate installed between the connecting rods, a plurality of connecting holes are arranged on the fixing plate, one of the connecting rods is extended to form the arc-shaped connecting rod, and a reinforcing rib is arranged between the arc-shaped connecting rod and the other connecting rod.

[0011] Preferably, the stubble and straw removing sawtooth blade includes a blade rod and a plurality of sawtooth-shaped cutting blades arranged on the blade rod.

[0012] Compared with the prior art, the utility model has following technical effect: The utility model discloses a plurality of stubble removing and straw cleaning deep scarification knives are installed on the same forward direction frame in proper order, the deep scarification depth of stubble removing and straw cleaning deep scarification knife is gradually deepened, and then progressive deep scarification is realized, and the adjustable installation of stubble removing and straw cleaning deep scarification knife and the structure of the upper end of the knife body matched with the pull rod can guarantee that the force of stubble removing and straw cleaning deep scarification knife and frame is more uniform and reasonable, and eliminates the problems such as direct distortion and tearing and damage of the weld of the conventional deep scarification knife to the frame structure. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model.

[0014] Figure 2 It is the structural schematic diagram of the stubble removing and straw cleaning deep scarification knife in the utility model. DETAILED DESCRIPTION

[0015] In order to make the technical problem, technical scheme and beneficial effect of the utility model clearer, the utility model is further explained in detail in the following with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0016] As Figure 1As shown, a multi-stage deep tillage device based on a rotary tiller with an additional frame system includes a frame 1 and a rotary tiller 2 mounted on the frame. A first stubble-breaking and straw-clearing deep tillage blade 3 is installed at the front of the rotary tiller 2, and a second stubble-breaking and straw-clearing deep tillage blade 4 and a third stubble-breaking and straw-clearing deep tillage blade 5 are installed at the rear of the rotary tiller 2. The first stubble-breaking and straw-clearing deep tillage blade 3, the second stubble-breaking and straw-clearing deep tillage blade 4, and the third stubble-breaking and straw-clearing deep tillage blade 5 are respectively mounted on the frame 1, and the upper parts of the first stubble-breaking and straw-clearing deep tillage blade 3, the second stubble-breaking and straw-clearing deep tillage blade 4, and the third stubble-breaking and straw-clearing deep tillage blade 5 are also connected and fixed to the frame 1 by a tie rod 6. A follower frame 7 is also hinged to the rear of the frame 1, and a pressing roller 8 is installed on the follower frame 7.

[0017] This utility model employs a three-stage deep tillage system. The three-stage deep tillage blades are used in conjunction with a rotary tiller 2. A first stubble-breaking and straw-clearing deep tillage blade 3 is installed at the front end of the rotary tiller, while a second stubble-breaking and straw-clearing deep tillage blade 4 and a third stubble-breaking and straw-clearing deep tillage blade 5 are installed at the rear end of the rotary tiller 2. The first, second, and third stubble-breaking and straw-clearing deep tillage blades 3, 4, and 5 are arranged in a straight line, with their deep tillage depths increasing sequentially. The blade bodies of the first, second, and third stubble-breaking and straw-clearing deep tillage blades 3, 4, and 5 are bolted to the blade holders on the machine frame. The deep tillage depth of the first stubble-breaking and straw-clearing deep tillage blade 3 is 3-5 cm, the second stubble-breaking and straw-clearing deep tillage blade 4 is 12-17 cm, and the furrowing depth of the third stubble-breaking and straw-clearing deep tillage blade 5 is 20-35 cm. The first stubble-breaking and straw-clearing deep loosening blade 3 is installed at the front end of the rotary tiller 2 to quickly remove shallow stubble and surface straw. Then, the rotary tiller 2 performs rotary tillage. The second and third stubble-breaking and straw-clearing deep loosening blades 4 and 5 are installed at the rear of the rotary tiller. The second blade 4 removes the rotary tilled layer and the stubble and straw below it. The third blade 5 further loosens the soil to a depth of 20-35 cm or more, based on the work done by the second blade, resulting in a more thorough loosening. After deep loosening, the soil is compacted by the compaction roller 8.

[0018] like Figure 2As shown, the first stubble cleaning deep scarifier 3, the second stubble cleaning deep scarifier 4 and the third stubble cleaning deep scarifier 5 are identical in structure, and each comprises a blade body 9, a deep scarifier head 10 and a root stubble cleaning sawtooth blade 11, the blade body 9 is provided with a connecting hole 12, the bottom of the blade body 9 is provided with an arc-shaped connecting rod 13, the end of the arc-shaped connecting rod 13 is provided with the deep scarifier head 10, the arc-shaped connecting rod 13 is internally provided with the root stubble cleaning sawtooth blade 11, and the two ends of the root stubble cleaning sawtooth blade 11 are fixed on the arc-shaped connecting rod and the blade body 13 respectively. The stubble cleaning deep scarifier adopts the blade body 9, the deep scarifier head 10 and the root stubble cleaning sawtooth blade 11, the deep scarifier head 10 can perform deep scarification on the soil, and the root stubble cleaning sawtooth blade 11 can quickly remove the shallow root stubble and the surface straw, thereby improving the quality and efficiency of the deep scarification.

[0019] The blade body 9 comprises two connecting rods 14 and a fixed plate 15 installed between the connecting rods, a plurality of connecting holes 12 are arranged on the fixed plate 15, one of the connecting rods is extended to form the arc-shaped connecting rod 13, and a reinforcing rib 16 is arranged between the arc-shaped connecting rod 13 and the other connecting rod. The blade body is supported by double-thread steel bars, and the fixed plate is installed between the double-thread steel bars for welding and fixing, so that the structure is simple and the strength is high. The root stubble cleaning sawtooth blade 11 comprises a blade rod 17 and a plurality of sawtooth-shaped cutting blades 18 arranged on the blade rod, the blade rod 17 can be reinforced by the arc-shaped connecting rod 13, and the plurality of sawtooth-shaped cutting blades 18 are arranged to quickly cut and remove the root stubble in the soil and the surface or soil straw.

[0020] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the scope of the present application.

Claims

1. A multi-stage deep loosening device based on a rotary cultivator additional frame system, comprising a frame and a rotary cultivator mounted on the frame, characterized in that: The first stubble cleaning and straw removing deep scarifier is arranged on the front part of the rotary cultivator, the second and third stubble cleaning and straw removing deep scarifiers are arranged on the rear part of the rotary cultivator, the first, second and third stubble cleaning and straw removing deep scarifiers are respectively arranged on the frame, the upper part of the first, second and third stubble cleaning and straw removing deep scarifiers and the frame are connected and fixed through the pull rod, the tail part of the frame is hingedly connected with the follow-up frame, and the follow-up frame is arranged with the roller.

2. The multi-stage deep scarifier device based on the additional frame system of the rotary cultivator according to claim 1, characterized in that: The first, second and third stubble cleaning and straw removing deep scarifiers are arranged on a straight line, and the working depth of the first, second and third stubble cleaning and straw removing deep scarifiers is increased in sequence.

3. The multi-stage deep scarifier device based on the additional frame system of the rotary cultivator according to claim 2, characterized in that: The working depth of the first stubble cleaning and straw removing deep scarifier is 3-5 cm, the working depth of the second stubble cleaning and straw removing deep scarifier is 12-17 cm, and the ditching depth of the third stubble cleaning and straw removing deep scarifier is 20-35 cm.

4. The multi-stage deep loosening device based on the additional frame system of the rotary cultivator according to any one of claims 1-3, characterized in that: The first, second and third stubble cleaning and straw removing deep scarifiers are the same in structure and respectively comprise a blade body, a deep scarifier head and a root stubble cleaning and straw removing saw blade, the blade body is provided with a connecting hole, the bottom of the blade body is provided with an arc-shaped connecting rod, the end of the arc-shaped connecting rod is arranged with the deep scarifier head, the arc-shaped connecting rod is arranged with the root stubble cleaning and straw removing saw blade in the arc, and the two ends of the root stubble cleaning and straw removing saw blade are respectively fixed on the arc-shaped connecting rod and the blade body.

5. The multi-stage deep scarifier device based on the additional frame system of the rotary cultivator according to claim 4, characterized in that: The blade body comprises two connecting rods and a fixing plate arranged between the connecting rods, a plurality of connecting holes are arranged on the fixing plate, one of the connecting rods is extended to form the arc-shaped connecting rod, and the arc-shaped connecting rod and the other connecting rod are arranged with a reinforcing rib between the end of the arc-shaped connecting rod and the other connecting rod.

6. The multi-stage deep scarifier device based on the additional frame system of the rotary cultivator according to claim 4, characterized in that: The root stubble cleaning and straw removing saw blade comprises a blade rod and a plurality of sawtooth-shaped cutting blades arranged on the blade rod.

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