CN112449773A - Flexible rod type plough layer residual film removing device with flying angle rake hooks - Google Patents

Abstract

The invention discloses a flexible rod type plough layer residual film lifting device for a flying angle rake hook, which relates to the field of agricultural mechanical equipment in the field of agricultural environmental protection and comprises a three-point suspension part, a rack, a reduction gearbox transmission shaft, a transmission chain wheel, a cylindrical film lifting roller and a flying angle rake hook flexible rod film lifting part; the gearbox is located the position in the middle of the dead ahead of frame upside, three point suspension is located reducing gear box front side intermediate position, it is located the gearbox rear side to fly flexible rod-type drawing mechanism of angle rake hook, the frame below, wherein flexible film-lifting rod installs at with cylinder film-lifting roller initial angle 225, pitch 200mm, two pole interval 120 mm's mode spiral arrangement, fix on film-lifting roller through the bolt, it passes through bolted connection with flexible film-lifting rod to fly angle rake hook film-lifting head, film-lifting shaft passes through the bearing frame with the frame on the cylinder film-lifting roller and links. The device solves the problem of low film forming rate of plough layer residual film and has excellent film forming effect.

Description

Flexible rod type plough layer residual film removing device with flying angle rake hooks

Technical Field

The invention belongs to the field of agricultural mechanical equipment in the field of agricultural environmental protection, and particularly relates to a plough layer mulching film lifting mechanism, in particular to a flexible rod type plough layer residual film lifting device with a flying-angle rake hook.

Background

At present, the mulching film still plays an extremely important role in agricultural production in China, and the improvement of agricultural productivity and the improvement of production modes in China are not away from the mulching film covering technology. The plastic film mulching technology is widely applied to agricultural production nationwide, so that the yield per unit of grains in China is increased by 20-30% in a wide range, and the plastic film mulching technology plays a key role in guaranteeing the grain safety in China. At present, the usage amount and the mulching area of the mulching film in China already occupy the first place of the world, and particularly in the northwest and the northeast of China, the mulching film mulching technology is popularized, the cultivated land area using the mulching film also reaches tens of millions of hectares, and the usage amount of the mulching film per year also reaches millions of tons. However, the wide application of the mulching film covering technology also causes a series of environmental problems, so that a plurality of mechanized residual film recycling at home and abroad after autumn is a main method for solving the pollution of the residual film of the farmland. The film stripping is the first step of the residual film recovery process, and the residual film recovery is the mode that the film stripping effect directly influences the subsequent working process, even the residual film recovery rate and the impurity removal rate to reduce the residual film pollution. At present, the residual film recycling operation is carried out manually and mechanically at the present stage, the residual film recycling machine mainly carries out recycling operation on the residual film on the surface layer, and the recycling mechanism mainly comprises a sprocket type, a rake type, a spike type, a spring tooth type and the like.

In the current year, the surface film is not recycled completely, the residual film can be ploughed to the plough layer along with the ploughing depth, the storage amount of the residual film of the plough layer is increased all the year round, the permeability of soil is reduced, the soil structure is damaged, the burden is brought to the growth environment of crops, the pollution problem of the residual film of the plough layer is increasingly obvious, and the residual film of the plough layer has the characteristics of small area, poor mechanical property and difficult recycling.

Disclosure of Invention

The invention aims to provide a flexible rod type plough layer residual film lifting device with a flying angle harrow hook, which overcomes the defects of the existing film lifting mechanism technology, has simple and reliable structure, convenient maintenance and high working stability, can solve the problem of low film lifting rate of plough layer residual films and has excellent film lifting effect.

The present invention provides the following specific embodiments:

a flexible rod type plough layer residual film lifting device for a flying angle rake hook comprises a three-point suspension, a reduction box, a flexible rod type film lifting part for the flying angle rake hook, a transmission mechanism and a rack. The reduction gearbox is arranged in the middle position right above the rack, is connected with a rear output shaft of the power machine through a bolt and provides film raising power; the three points are hung in the middle of the reduction gearbox and right in front of the middle of the frame and are connected with a power tool to provide operation power; the film lifting part is composed of a film lifting shaft, a cylindrical film lifting roller, a film lifting hook type film lifting head, a flexible film lifting rod and a flexible film lifting rod seat sleeve, is arranged right behind a reduction gearbox and is fixedly matched with the lower side of a rack through a bearing seat, wherein the film lifting hook type film lifting head is connected with the flexible film lifting rod through a bolt, the film lifting hook type film lifting head is provided with four rings of hook teeth, each ring of hook teeth is provided with six hooks and is uniformly arranged on the outer side at intervals of 60 degrees, the four rings of hook teeth take the right upper part of the outer side as a reference, the 1 st, the 2 nd and the 4 th ring of hook teeth are inward, and the 3 rd ring of hook teeth are outward; the flexible film raising rods are sequentially arranged on the cylindrical film raising roller along a spiral line with the thread pitch of 200mm, ten turns are arranged at the initial angle of 225 degrees in total, the distance between the flexible film raising rods is 120mm, and the flexible film raising seat sleeve and the cylindrical film raising roller are fixed through bolts and nuts; the transmission shaft of the reduction gearbox is connected with the film-drawing shaft through sprockets, so that the transmission of operation power is ensured.

Compared with the prior art, the invention has the following invention points: (1) in the flexible rod type film lifting component of the flying corner rake hook, the flexible rods are connected and are made of high-speed steel, so that the flexible rod type film lifting component is large in flexible deformation, light in material and wide in application range, and due to the fact that the flexible rods have certain elasticity, the toughness of the mechanism during working is enhanced, and the manufacturing cost and the maintenance cost are reduced in simulation. (2) The device is a flexible rod type, can combine 0-120mm plough layer residual film harvesting through a three-point suspension device, randomly adjusts the depth of entering soil, and all parts for lifting the film are connected through bolts, so that the damaged parts can be replaced in time, and the maintenance is convenient. (3) Compare with other film forming mechanisms, it possesses four rings of gullets to fly angle rake hook formula film forming head, every ring of gullet tooth possesses six couples, with interval 60 even range in the outside, wherein four rings of gullet teeth use the benchmark directly over the outside 1 st, 2 nd and 4 th ring of gullet teeth are inside, 3 rd ring of gullet teeth is outside, 1 st ring of gullet teeth has the barb, interior outer fit, can be more abundant pick up the incomplete membrane in the soil, very big improvement film forming efficiency, the effect that the incomplete membrane of farmland of increase was collected. (4) This flexible pole of couple flexible rod-type plough layer plastic film residue plays membrane mechanism in flexible pole adopts the screw-type range that the pitch is 200mm originated angle 225, and the pole interval is 120mm, thereby guarantees the rationality of vertical and axial broach range, reduces thereby broach density and reduces hilling phenomenon, piles up the phenomenon to adapt to south Jiang's farming mode, guarantee the device and play the membrane effect.

The working process of the invention is realized as follows: the power tool is connected with the gearbox to provide original power, the gearbox is driven by the transmission shaft, the power is transmitted to the film lifting shaft through the chain wheel on the transmission shaft to drive the flexible rod type film lifting part of the fly-angle rake hook to rotate clockwise, and the operation direction of the device is consistent with that of the power tool when the power tool is pulled; the device controls the soil penetration depth of the flexible rod type plough layer residual film lifting device of the flying angle harrow hook by controlling the position of three-point suspension. The forward speed of the traction device determines the operating speed of the device. Carry out field test through eight even to the test bench of ten groups of Alar and reachd the couple and fly the flexible rod-type plastic film residue on plough layer of angle rake hook and rise the membrane device and adopt the pitch to be 200mm, initial angle is 225, the pole interval is 120 mm's spiral arrangement mode, fly every circle of gullet of angle rake hook with interval 60 circumference arrangement totally 6 couples, totally four circles of gullet, and with 1 st, 2 nd and 4 th circle gullet inwards, when 3 rd circle gullet outwards arranges, it is effectual to retrieve the plastic film residue on plough layer this moment, can solve the plastic film residue on plough layer and retrieve the problem, provide new plastic film residue on plough layer for the plastic film residue on plough layer. During the process that the hooks with a certain number of inclination angles advance randomly, the hardened soil can be broken, the shallow ploughing effect can be achieved on the hardened soil, the problem of picking up residual films in a plough layer is effectively solved, and the hook is more suitable for being used in sandy soil environment in southern Xinjiang.

Drawings

The present invention will be described in further detail below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a partially enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic structural view of a 1 st ring of hook teeth;

fig. 5 is a structural schematic view of the 2 nd ring of the hook teeth.

Detailed Description

A flying-angle rake hook flexible rod type plough layer residual film removing device is shown in figures 1 and 2 and comprises a three-point suspension, a reduction box, a flying-angle rake hook flexible rod type film removing part, a transmission mechanism and a frame 1. The reduction gearbox is arranged in the middle position right above the rack, is connected with a rear output shaft of the power machine through a bolt and provides film raising power; the three points are hung in the middle of the reduction gearbox and right in front of the middle of the frame and are connected with a power tool to provide operation power; the flying-angle rake hook flexible rod type film lifting part consists of a film lifting shaft, a cylindrical film lifting roller 2, a flying-angle rake hook type film lifting head, a flexible film lifting rod 3 and a flexible film lifting rod seat sleeve, wherein the film lifting shaft is a central shaft arranged at two ends of the cylindrical film lifting roller 2, the film lifting shaft is arranged right behind a reduction gearbox, and the lower side of a rack is fixedly matched with the reduction gearbox through a bearing seat. The film lifting head 4 is connected with the flexible film lifting rod 3 through a bolt, the film lifting head 4 is provided with four rings of hook teeth, each ring of hook teeth is provided with six hooks, the hooks are uniformly arranged on the outer side at 60-degree intervals, as shown in fig. 3, the 1 st ring of hook teeth 9, the 2 nd ring of hook teeth 7 and the 4 th ring of hook teeth 5 are bent inwards by taking the right upper part of the outer side as a reference, and the 3 rd ring of hook teeth 6 are bent outwards. The flexible film raising rods 3 are sequentially arranged on the cylindrical film raising roller 2 along a spiral line with the thread pitch of 200mm, ten circles are arranged at the initial angle of 225 degrees in total, the distance between the flexible film raising rods 3 is 120mm, and the flexible film raising seat sleeve and the cylindrical film raising roller are fixed through bolts and nuts; the transmission shaft of the reduction gearbox is connected with the film-drawing shaft through sprockets, so that the transmission of operation power is ensured. The flying-angle rake-hook film-rising head 4 is composed of 4 sets of hook tooth parts, as shown in fig. 3. The mechanism is made of high-speed steel, the type of the mechanism can be W18Cr4V (T1), and the mechanism has the characteristics of high hardness, high wear resistance and enough toughness, and is low in cost. After the tungsten-series and molybdenum-series high-speed steels are correctly heat treated, the Rockwell hardness can reach more than 63, and the hardness of the cobalt-series high-speed steel is more than 65. As shown in fig. 4, the first ring of teeth 9 has the parameters of a hook body length L =9.24mm, a square body cross section and a side length D =0.92mm, the outer end of the hook body is curved in an arc shape to form the barb 8, the arc diameters of the outer side and the inner side of the arc shape cross section are respectively R1=11.69mm and R2=11.75mm, and the tip length L1=3.62mm of the barb 8. The tip is small and sharp, and mainly plays a role in digging soil. As shown in fig. 5, the second loop teeth 7 have the parameters of a hook length L7=6.9mm, a hook thickness H7=1mm, hook portion diameters of R71=5.79mm, R72=6.70mm, R73=6.73mm, a tip portion length J7=1.45mm, and a width b7=0.5 mm. The function of this part is to recover the residual film in the soil. The third circle of hook teeth 6 are used for further recovering the residual films missed by the 1, 2 and 4 circles of hook teeth 9, 7 and 5, increasing the recovery rate of the residual films and achieving the complementary effect. The line is carved with to the body of rod of flexible pole 3, can play skid-proof effect, and flexible pole adopts high-speed steel to constitute, and it is big to warp, toughness is sufficient, the quality is light, the wearability is good, safe and reliable, has guaranteed operating personnel's safety.

Claims (1)

1. A flight angle rake hook flexible rod type plough layer residual film removing device comprises a three-point suspension, a reduction gearbox, a flight angle rake hook flexible rod type film removing part, a transmission mechanism and a rack, wherein the reduction gearbox is arranged in the middle position right above the rack and is connected with a rear output shaft of a power machine tool to provide film removing power; the three points are hung in the middle of the reduction gearbox and right in front of the middle of the frame and connected with a power tool to provide traction power; the method is characterized in that: the film lifting part is composed of a film lifting shaft, a cylindrical film lifting roller, a film lifting hook type film lifting head, a flexible film lifting rod and a flexible film lifting rod seat sleeve, and is fixedly installed right behind the reduction gearbox in a matched mode through a bearing seat and on the lower side of the rack, wherein the film lifting hook type film lifting head is connected with the flexible film lifting rod through a bolt, four rings of hook teeth are arranged on the film lifting hook type film lifting head at intervals up and down, each ring of hook teeth is provided with six hooks and uniformly arranged on the outer side at intervals of 60 degrees, the 1 st, the 2 nd and the 4 th ring of hook teeth are inward on the basis of the position right above the outer side, and the 3 rd ring of hook teeth are outward; the flexible film raising rods are sequentially arranged on the cylindrical film raising roller along a spiral line with the thread pitch of 200mm, ten turns are arranged at the initial angle of 225 degrees in total, the distance between the flexible film raising rods is 120mm, and the flexible film raising seat sleeve and the cylindrical film raising roller are fixed through bolts and nuts; the transmission shaft of the reduction gearbox is connected with the film-drawing shaft through a sprocket.

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