CN216163900U - Plastic film edge loosening tool - Google Patents

Abstract

The utility model provides a mulching film edge loosening tool, and belongs to the technical field of agricultural machinery. The mulching film edge loosening tool comprises a handle and an edge loosening part, wherein the edge loosening part comprises a loosening blade, loosening teeth and a connecting rod; the soil loosening blade is of a flat strip-shaped structure, and the soil loosening teeth are of a slender cylindrical structure; the soil loosening blades and the soil loosening teeth are arranged on the same side of two ends of the connecting rod respectively, the soil loosening blades are perpendicular to the connecting rod in the length direction, and the included angle between the soil loosening teeth and the connecting rod is 60-120 degrees; the middle part of the connecting rod is connected with the handle. By using the mulching film edge loosening tool provided by the utility model, the mulching film is not damaged when the edge loosening treatment is carried out on the mulching film in the middle stage of tobacco leaf growth, so that the mulching film can be completely lifted and taken out of a tobacco field after tobacco plants are harvested. The problem of mountain area tobacco field be not convenient for machine operation, manual operation wastes time and energy, plastic film take off the membrane thoroughly have the residue to lead to soil pollution is solved.

Description

Plastic film edge loosening tool

Technical Field

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a mulching film edge loosening tool suitable for cleaning a mulching film of a tobacco field.

Background

The tobacco field mulching film is an important technology in the standardized production of tobacco leaves, and can increase the ground temperature, preserve water and fertilizer, prevent low-temperature freeze injury and premature flowering in the early growth stage of the tobacco leaves, promote the early growth and fast growth of tobacco seedlings after transplantation, and has obvious yield increase, quality increase and synergistic effects. However, the film is not uncovered at the later growth stage of the tobacco plant, and a second fertilizer absorption peak occurs, so that the tobacco plant is easy to senilism, the lodging resistance and stress resistance are poor, and the pest and disease damage is aggravated, so that the problems of overhigh nicotine content, unbalanced chemical component proportion, reduced tobacco quality and the like occur. Therefore, 30-35 days after the tobacco plants are transplanted, the mulching film is timely uncovered, the soil permeability is improved, the area of the soil for receiving rainfall is increased, and more rainwater is supplied to the rhizosphere; the aerial root generated before the film is uncovered can be fully combined with the soil, and the absorption surface of the root system to the soil nutrition is enlarged, so that the early growth and the quick growth of the tobacco plants are promoted, and the normal growth of the tobacco plants is promoted.

No matter in the prior art use take off membrane ware or retrieve the rupture of membranes ware, all clear up the tobacco plant residual body of overground part earlier after the tobacco leaf results, clear up the tobacco field plastic film again, because the plastic film limit is by soil compaction, ground does not compact the plastic film and obtains clearing up, and the plastic film that is compacted by soil just remains in soil, consequently all has the incomplete residual problem of not clean up in the tobacco field plastic film clearance process, the tobacco field still needs to be fit for machine operation simultaneously, in fact a lot of tobacco field pieces are not convenient for machine operation. For example, in the tobacco field of Hubei mountain areas, most mountains of tobacco planting fields have high slopes and steep slopes, land areas are small and scattered, traffic is inconvenient, a machine cannot reach the tobacco field easily, and rugged sloping fields are not suitable for machine operation. The traditional method for directly taking off the film by two hands or cleaning the mulching film by a hoe is labor-consuming and time-consuming, most importantly, the mulching film is broken easily to cause incomplete film taking off, residual broken films are not cleaned completely, the residual broken films are easy to damage the soil property of the tobacco field in the tobacco field to cause soil environment deterioration, effective absorption of tobacco plants to nutrients in the soil is influenced, the tobacco field soil is not aerated, the permeability is poor, and the normal growth of tobacco planting in the next year is influenced.

Chinese patent CN205670921U discloses a tobacco field mulching film uncovering device, which comprises a handle and a rake part, wherein the rake part consists of a hoop, a plurality of rake hook arms and rake hooks which are arranged at the front end of each rake hook arm and are bent downwards, the rake part is connected with the handle through the hoop, one ends of the rake hook arms are welded on the hoop, the other ends of the rake hook arms radially extend outwards, and included angles between adjacent rake hook arms are equal; the lower end of each rake hook is provided with a hook tip, and the position of each rake hook close to the hook tip is provided with a plurality of barb-shaped hook film teeth. Although the mulching film uncovering device solves the problem of direct manual mulching film uncovering, the mulching film is very easy to hook and break, so that the mulching film is broken into a plurality of small films, and the residual rate of the mulching film in soil is high; and in actual operation, the mulching film is easily hung on the film hooking teeth to influence subsequent operation, the mulching film hung on the film hooking teeth needs to be taken off by hands, on one hand, time and labor are wasted, and on the other hand, the hands of operators are easily stabbed by bare-handed operation.

Chinese patent CN208159537U discloses a tobacco field plastic film tears membrane sword, including cutter body, connecting rod, grab handle, connecting rod one end and cutter body end connection, the other end is connected with the grab handle, its characterized in that: the knife body is composed of a knife back, a knife edge and a transition part between the knife back and the knife edge, the knife back is in a right angle, and the knife edge is an arc-shaped cutting edge. The film tearing knife solves the problems that tobacco plants are easily damaged and labor intensity is high due to manual film tearing, but the mulching film is also shredded into large strips during operation, and the mulching film pressed by soil is still easy to leak and treat to cause residue in the soil due to the fact that the mulching film is cut by the film tearing knife and separated from other parts of the mulching film.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the tobacco fields in mountainous areas are inconvenient to operate by a machine, time and labor are wasted in manual operation, and residues are not thoroughly left when mulching film uncovering is carried out, the utility model provides a mulching film edge loosening tool which is simple to operate and can not damage a mulching film, and broken mulching films can not be left in soil when the mulching film is uncovered.

In order to achieve the purpose, the utility model adopts the following technical scheme: a mulching film edge loosening tool comprises a handle and an edge loosening part, wherein the edge loosening part comprises a loosening blade, loosening teeth and a connecting rod; the soil loosening blade is of a flat strip-shaped structure, and the soil loosening teeth are of a slender cylindrical structure; the soil loosening blades and the soil loosening teeth are arranged on the same side of two ends of the connecting rod respectively, the soil loosening blades are perpendicular to the connecting rod in the length direction, and the included angle between the soil loosening teeth and the connecting rod is 60-120 degrees; the middle part of the connecting rod is connected with the handle.

The mulching film edge loosening tool is used in the middle growth period of tobacco leaves, when the mulching film edge loosening tool is used, an operator holds the handle, the soil loosening knife extends into an interface where the mulching film is in contact with soil, and soil is excavated from the lower part of the edge of the mulching film, so that the soil pressed on the edge of the mulching film is loosened; simultaneously, because when operating personnel used plastic film edge loosening instrument, the handle had the slope of certain degree, consequently loosens the soil tooth and can make between the ground that the tooth position that loosens the soil is higher than the position of loosening the sword with certain distance to make the plastic film raised by the tooth that loosens the soil, press on the plastic film by not hard up soil can be because of the reason of height drop and landing to ground. In the process of edge loosening of the mulching film, the edge loosening tool is not provided with any sharp hook or sharp edge or barb, so that the mulching film cannot be hooked or scratched, and the integrity of the mulching film is ensured. After the tobacco plants are harvested, operators can directly and completely lift the mulching films passing through the loose edges and take the mulching films out of the tobacco field, and the residual quantity of the mulching films in the soil is reduced to the maximum extent.

Preferably, the included angle between the scarification teeth and the connecting rod is 90 degrees.

Preferably, the one end both sides of connecting rod are mirror symmetry respectively and are equipped with 1 the sword that loosens the soil, the other end both sides of connecting rod are mirror symmetry respectively and are equipped with 1 the tooth that loosens the soil.

The one end both sides of connecting rod are mirror symmetry and are provided with the sword that loosens the soil, and the other end both sides are mirror symmetry and are provided with the tooth that loosens the soil, make the plastic film edge loosening instrument that loosens the soil sword, loosen the soil tooth, connecting rod constitute becomes "worker" word structure or similar symmetrical structure, needn't change over direction when can making things convenient for operating personnel to use, especially make things convenient for more and use by left-handed people to use, can also make both sides carry out the edge loosening to two ridges of plastic films simultaneously and handle.

Preferably, the ripping teeth are tilted upwards and form an included angle of no more than 30 degrees with the horizontal plane.

During the use, the tip of tooth that loosens the soil upwards perks certain angle for the horizontal plane, more is favorable to increasing the height fall distance between tooth and the sword that loosens the soil to make by the soil that is not hard up more easily from plastic film edge landing to ground. However, the tilting angle of the end parts of the soil loosening teeth cannot be too large, otherwise, when the mulching film is lifted to a too high height, the mulching film is easily stretched to a degree exceeding the degree which can be borne by the toughness, so that the mulching film is broken.

Preferably, a ball-shaped part is fixedly arranged at the tail end of the ripping tooth.

The tail end of each soil loosening tooth is provided with the spherical part, so that the risk that the tail end of each soil loosening tooth punctures the mulching film when the tail end of each soil loosening tooth is not worn by an excessive force or a force applying angle is prevented.

Preferably, the ripping teeth and/or the ripping blades are detachably connected with the connecting rod.

Preferably, the handle is detachably connected with the connecting rod.

Set the plastic film edge loosening tool into a detachable structure, be favorable to the instrument conveniently to accomodate when idle or carry out local change part when certain part damages.

Preferably, the connecting rod is fixedly provided with a hoop sleeve, the handle is fixed in the hoop sleeve through a bolt, and the hoop sleeve is provided with a limiting hole corresponding to the bolt.

Preferably, the handle is a telescopic rod.

Set up the handle into the telescopic link, can adjust length and fix at a certain length, be favorable to operating personnel according to the suitable length of own height adjustment handle and can not lead to the length to change because of carrying out the loose limit operation of plastic film when using for it is more laborsaving during the operation.

Compared with the prior art, the utility model has the beneficial effects that: by using the mulching film edge loosening tool provided by the utility model, the tobacco field mulching film is subjected to edge loosening treatment in the middle stage of tobacco leaf growth, the soil pressed on the edge of the mulching film is cleaned, and the mulching film is not damaged, so that the mulching film can be completely lifted and taken out of a tobacco field after tobacco plants are harvested. The problem of mountain area tobacco field be not convenient for machine operation, manual operation wastes time and energy, plastic film take off the membrane thoroughly have the residue to lead to soil pollution is solved.

Drawings

FIG. 1 is a tool for edge loosening of mulching film according to example 1 of the present invention;

FIG. 2 is a tool for loosening edges of mulching film according to example 2 of the present invention;

FIG. 3 is a top view of a mulch edging tool according to embodiment 3 of the present invention;

FIG. 4 is a right side view of the mulching film edge loosening tool of example 3 of the present invention;

figure 5 is a mulch film edge loosening tool of embodiment 4 of the utility model.

In the figure: 1. a handle; 2. a loose edge component; 21. a soil loosening blade; 22. loosening teeth; 221. a spherical member; 23. a connecting rod; 24. a hoop sleeve; 3. a bolt; 4. a retractable member; α: and (4) an included angle.

Detailed Description

In order to further understand the summary of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments.

Example 1

As shown in fig. 1, the mulching film edge loosening tool of the present embodiment comprises a handle 1 and an edge loosening part 2, wherein the edge loosening part 2 comprises a loosening blade 21, a loosening tooth 22 and a connecting rod 23. The soil loosening blade 21 is of a flat strip-shaped structure, and the soil loosening teeth 22 are of a thin cylindrical structure, and the tail ends of the soil loosening teeth are of a conical structure. The ripping blades 21 and the ripping teeth 22 are respectively arranged on the same side of two ends of a connecting rod 23, and the ripping blades 21 and the ripping teeth 22 are respectively perpendicular to the connecting rod 23 in the respective length directions; the handle 1 is connected to the middle of the connecting rod 23.

The mulching film edge loosening tool is used in the middle growth period of tobacco leaves, when the mulching film edge loosening tool is used, an operator holds the handle, the soil loosening knife extends into an interface where the mulching film is in contact with soil, soil is excavated from the lower portion of the edge of the mulching film, and the soil pressed on the edge of the mulching film is loosened; simultaneously, because when operating personnel used plastic film edge loosening instrument, the handle had the slope of certain degree, consequently loosens the soil tooth and can make between the ground that the tooth position that loosens the soil is higher than the position of loosening the sword with certain distance to make the plastic film raised by the tooth that loosens the soil, press on the plastic film by not hard up soil can be because of the reason of height drop and landing to ground. In the process of edge loosening of the mulching film, the edge loosening tool is not provided with any sharp hook or sharp edge or barb, so that the mulching film cannot be hooked or scratched, and the integrity of the mulching film is ensured. After the tobacco plants are harvested, operators can directly and completely lift the mulching films passing through the loose edges and take the mulching films out of the tobacco field, and the residual quantity of the mulching films in the soil is reduced to the maximum extent.

Example 2

As shown in fig. 2, the mulching film edge loosening tool provided by the present embodiment includes a handle 1 and an edge loosening part 2, wherein the edge loosening part 2 includes a loosening blade 21, a loosening tooth 22 and a connecting rod 23. The soil loosening blade 21 is of a flat strip-shaped structure, and the soil loosening teeth 22 are of a thin cylindrical structure, and the tail ends of the soil loosening teeth are of a conical structure. The 2 ripping blades 21 are connected to two sides of one end of the connecting rod 23 in a mirror symmetry manner, and the 2 ripping teeth 22 are connected to two sides of the other end of the connecting rod 23 in a mirror symmetry manner; namely, the ripping teeth 22, the ripping blades 21 and the connecting rod 23 form an i-shaped structure. The connecting rod 23 is fixedly provided with a hoop sleeve 24; the hoop 24 is provided with a limiting hole (not shown in the figure), and the bolt 3 penetrates through the limiting hole to fix the handle 1 in the hoop 24.

The usage method of the mulching film edge loosening tool in the embodiment is the same as that of the mulching film edge loosening tool in the embodiment 1, but because the edges of two sides of the mulching film need to be loosened, the 'I' -shaped structure enables an operator not to change the direction of the tool when using the mulching film edge loosening tool, and enables a left-handed person to use the mulching film edge loosening tool more conveniently.

Example 3

As shown in fig. 3 and 4, the mulching film edge loosening tool of the present embodiment is different from that of embodiment 2 in that: the tail end of each ripping tooth 22 is provided with a spherical part 221, the tail end of each ripping tooth 22 tilts upwards and forms an included angle alpha with the horizontal plane, and the included angle alpha is 30 degrees.

The mulch edge loosening tool in this embodiment is used in the same way as in embodiment 2, but because the tips of the ripping teeth are provided with the spherical parts, the risk of the tips of the ripping teeth tearing the mulch when the force is applied too much or the force is not applied at an angle or the tips of the ripping teeth are worn can be prevented. The tail ends of the soil loosening teeth are tilted upwards relative to the horizontal plane, so that the height fall distance between the soil loosening teeth and the soil loosening blades is increased, and the loosened soil can slide to the ground from the edge of the mulching film more easily.

Example 4

As shown in fig. 5, the mulch film edge loosening tool provided by this embodiment is different from that provided by embodiment 2 in that: the tail end of each scarification tooth 22 is provided with a spherical part 221, and the telescopic part 4 is arranged on the handle 1, so that the handle 1 can be adjusted in length according to the height of an operator and can be fixed in length when in use, and operation is more labor-saving.

It should be noted that, although the above embodiment only illustrates the structure in which the included angle between the soil loosening teeth 22 and the connecting rod 23 is 90 °, in the present invention, in the plane where the positions where the soil loosening teeth 22 and the soil loosening teeth 22 are connected to the connecting rod 23 are located together, the included angle between the soil loosening teeth 22 and the connecting rod 23 may be other angles, such as an acute angle or an obtuse angle, as long as the condition that when an operator uses a mulching film edge loosening tool to loosen an edge of a mulching film is satisfied, the soil loosening by the soil loosening teeth 22 can lift the mulching film, so that the soil pressed on the mulching film can slide to the ground due to a high-low fall difference. In the above embodiment, only the ripping teeth 22 are described as being of a thin cylindrical shape and having a tapered end, and actually, the ripping teeth 22 may be of a thin cylindrical shape, or may be of another elongated prismatic shape, and the end does not necessarily have to be provided with a tapered end.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The present invention may be subject to various modifications and changes by any person skilled in the art. Any simple equivalent changes and modifications made in accordance with the protection scope of the present application and the content of the specification are intended to be included within the protection scope of the present invention.

Claims (9)

1. A mulching film edge loosening tool comprises a handle and an edge loosening part, and is characterized in that the edge loosening part comprises a loosening blade, loosening teeth and a connecting rod; the soil loosening blade is of a flat strip-shaped structure, and the soil loosening teeth are of a slender cylindrical structure; the soil loosening blades and the soil loosening teeth are arranged on the same side of two ends of the connecting rod respectively, the soil loosening blades are perpendicular to the connecting rod in the length direction, and the included angle between the soil loosening teeth and the connecting rod is 60-120 degrees; the middle part of the connecting rod is connected with the handle.

2. The mulch film edging tool of claim 1, wherein the angle between the ripping teeth and the connecting rod is 90 °.

3. A mulch film edge loosening tool as claimed in claim 1 or claim 2, wherein 1 ripping blade is provided on each side of one end of the connecting rod in mirror symmetry, and 1 ripping tooth is provided on each side of the other end of the connecting rod in mirror symmetry.

4. A mulch film edging tool as claimed in claim 1 or claim 2, wherein the ripping teeth are raised upwardly and form an angle of no more than 30 ° with the horizontal.

5. The mulch film edge loosening tool as claimed in claim 1, wherein a ball member is fixed to the distal end of the ripping tooth.

6. A mulch loosening tool as claimed in claim 1, 2 or 5, wherein the ripping teeth and/or ripping blades are removably attached to the connecting bar.

7. A mulch film edging tool as claimed in claim 1, 2 or 5, wherein the handle is removably connected to the connecting rod.

8. The mulch film edge loosening tool according to claim 7, wherein a hoop is fixedly arranged on the connecting rod, the handle is fixed in the hoop through a bolt, and a limiting hole corresponding to the bolt is formed in the hoop.

9. The mulch film edging tool of claim 1, wherein the handle is a telescopic rod.

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