Fruit tree girdling saw

Abstract

The utility model relates to the technical field of fruit tree girdling, and particularly discloses a fruit tree girdling saw which comprises a handle and a saw frame connected with the handle, two parallel saw blades are installed on the outer side of the bottom of the saw frame, two parallel linear blades are installed on the inner side of the bottom of the saw frame, and the linear blades are arranged on the outer side of the handle. A U-shaped blade is installed at the end of the saw frame, the linear blade is located between the saw blades, a plurality of equilateral triangle sawteeth and parabola arc sawteeth are arranged at the bottom of each saw blade, and every four equilateral triangle sawteeth are spaced by two parabola arc sawteeth. The line-shaped blade is additionally arranged to be matched with the saw blade to scrape off old bark on the outer side, then the U-shaped blade scrapes off a nutrition layer located between the bark and a tree trunk, time and labor are saved, the thin and narrow saw blade can be adopted, the cost for replacing the saw blade is reduced, the phenomenon that teeth are pasted by scurf can be reduced, and installation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fruit tree girdling, particularly to a fruit tree girdling saw. BACKGROUND

[0002] The purpose of the girdling saw is that after the girdling operation of the fruit tree, the phloem tissue of the trunk cannot transport nutrients to the root of the tree, the upper part of the girdling part is locked in the upper half, and the products of photosynthesis are concentrated in the tree crown, thereby avoiding the waste of nutrients, helping the fruit tree to improve the fruit setting rate, and reducing the phenomenon of flower and fruit drop. The girdling technology effectively solves the problems of low fruit setting rate and low yield of the fruit tree, improves the yield of the fruit, and increases the economic benefits of the grower. In the past, in order to support the cutting knife at the front, a thicker and wider saw blade is used, which is more laborious during girdling, and the cost of replacing the saw blade is high, the time for replacing the saw blade is long, and the installation difficulty is high. UTILITY MODEL CONTENTS

[0003] The technical problem to be solved by the utility model is to provide a fruit tree girdling saw, which can cooperate with the saw blade by increasing the setting of a one-word type blade to scrape off the old bark on the outside, and then scrape off the nutrient layer between the bark and the trunk by the U-shaped blade, thereby saving time and effort, using a thinner and narrower saw blade, reducing the cost of replacing the saw blade, reducing the paste teeth of the bark, and facilitating installation.

[0004] In order to solve the above technical problems, the technical scheme of the utility model is:

[0005] A fruit tree girdling saw, comprising a handle and a saw frame connected with the handle, two saw blades are installed on the bottom outer side of the saw frame and arranged in parallel with each other, two one-word type blades are installed on the inner side of the bottom of the saw frame and arranged in parallel with each other, a U-shaped blade is installed on the end of the saw frame, the one-word type blade is located between the saw blades, the bottom of the saw blade is provided with a plurality of equilateral triangle saw teeth and parabolic arc saw teeth, and every four equilateral triangle saw teeth are separated by two parabolic arc saw teeth.

[0006] Preferably, the one-word type blade is inclinedly arranged towards the right side of the saw blade.

[0007] Preferably, a one-word type blade mounting groove is formed in the bottom of the saw frame and matched with the one-word type blade, and the upper end of the one-word type blade is inserted into the one-word type blade mounting groove.

[0008] Preferably, a one-word type blade screw hole is communicated with the one-word type blade mounting groove, a one-word type blade fixing screw is installed in the one-word type blade screw hole, and a blade fixing notch matched with the one-word type blade fixing screw is formed in the outer side of the one-word type blade.

[0009] Preferably, the side surface of the U-shaped blade is provided with a first screw through hole and a second screw through hole, the left end of the saw frame is provided with a U-shaped blade fixing through hole, a U-shaped blade fixing screw is installed in the U-shaped blade fixing through hole, the U-shaped blade fixing screw penetrates the first screw through hole and the U-shaped blade fixing through hole in sequence, and the second screw through hole is communicated with the one-shaped blade fixing screw through hole close to the U-shaped blade.

[0010] Preferably, one end of the saw blade is sleeved outside the U-shaped blade fixing screw, the right end of the saw frame is provided with a saw blade fixing screw, and the other end of the saw blade is sleeved outside the saw blade fixing screw.

[0011] By adopting the technical scheme, the fruit tree ring peeling saw has the following beneficial effects: the bottom inner side of the saw frame of the fruit tree ring peeling saw is provided with two parallel one-shaped blades, the end of the saw frame is provided with a U-shaped blade, the one-shaped blades are located between the saw blades, the bottom of the saw blade is provided with a plurality of equilateral triangle saw teeth and parabolic arc saw teeth, two parabolic arc saw teeth are arranged between every four equilateral triangle saw teeth, the cost of replacing the saw blade can be reduced, and the saw blade is more convenient to install. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model;

[0013] Fig. 2 It is a structural schematic view of the saw blade in the utility model;

[0014] In the drawing, 1 is a handle, 2 is a saw frame, 3 is a saw blade, 4 is a one-shaped blade, 5 is a U-shaped blade, 6 is an equilateral triangle saw tooth, 7 is a parabolic arc saw tooth, 8 is a one-shaped blade mounting groove, 9 is a one-shaped blade screw through hole, 10 is a one-shaped blade fixing screw, 11 is a blade fixing gap, 12 is a first screw through hole, 13 is a second screw through hole, 14 is a U-shaped blade fixing through hole, 15 is a U-shaped blade fixing screw, and 16 is a saw blade fixing screw. DETAILED DESCRIPTION

[0015] The specific embodiments of the utility model will be further described in combination with the drawings. It should be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation of the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0016] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" "internal", "external", "clockwise", "counterclockwise", "axial", "radial", "circumferential" orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model.

[0017] In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0018] As Figs. 1-2 As shown in the figure, the fruit tree ring saw includes handle 1 and saw frame 2 connected with the handle 1, two saw blades 3 arranged in parallel are installed on the bottom outside of the saw frame 2, two one-letter blades 4 arranged in parallel are installed on the bottom inside of the saw frame 2, U-shaped blade 5 is installed on the end of the saw frame 2, the one-letter blade 4 is located between the saw blade 3, the bottom of the saw blade 3 is provided with a plurality of equilateral triangle saw teeth 6 and parabolic arc saw teeth 7, every four equilateral triangle saw teeth 6 is separated by two parabolic arc saw teeth 7. It can be understood that the handle 1 can be made of hard plastic material, etc., the saw frame 2, the saw blade 3, the one-letter blade 4 and the U-shaped blade 5 can all be made of stainless steel material, etc., and the utility model is not limited.

[0019] Specifically, the one-word blade 4 is arranged obliquely towards the right side of the saw blade 3, that is, the cutting edge is downward, so as to better cooperate with the saw blade 3; the bottom of the saw frame 2 is provided with two one-word blade mounting grooves 8 matched with the one-word blade 4, the upper end of the one-word blade 4 is inserted into the one-word blade mounting groove 8; the one-word blade mounting groove 8 is communicated with a one-word blade screw hole 9, the one-word blade fixing screw 10 is installed in the one-word blade screw hole 9, the outer side of the one-word blade is provided with a blade fixing notch 11 matched with the one-word blade fixing screw 10, so as to abut against the one-word blade 4 and prevent it from falling off; the side surface of the U-shaped blade 5 is provided with a first screw hole 12 and a second screw hole 13, the left end of the saw frame 2 is provided with a U-shaped blade fixing hole 14, the U-shaped blade fixing screw 15 is installed in the U-shaped blade fixing hole 14, the U-shaped blade fixing screw 15 penetrates the first screw hole 12 and the U-shaped blade fixing hole 14 in sequence, the second screw hole 13 is communicated with the one-word blade fixing screw hole 10 close to the U-shaped blade 5, so as to fix the end of the U-shaped blade 5 through the one-word blade fixing screw 10; one end of the saw blade 3 is sleeved outside the U-shaped blade fixing screw 15, the right end of the saw frame 2 is installed with the saw blade fixing screw 16, the other end of the saw blade 3 is sleeved outside the saw blade fixing screw 16. It can be understood that the saw frame 2 of the utility model is provided with two one-word blades 4 and two blade clamping grooves (that is, one-word blade mounting grooves 8), the one-word blade 4 is pressed and fixed by the one-word blade fixing screw 10, meanwhile, the two saw blades 3 just clamp the one-word blade 4 so that it cannot swing left and right, the one-word blade 4 is clamped in the middle of the saw blade 3, when the ring stripping draw saw is used, the two saw blades saw the width of the ring stripping, then the old bark is scraped off, the U-shaped blade 5 behind scrapes off the nutrient layer between the bark and the tree trunk, the saw blade 3 can adopt the saw blade with the thickness of 0.5mm and the width of 10mm, and it is more labor-saving and easier to remove the bark when the old bark is relatively hard; the saw blade 3 is relatively thin and narrow, and cannot support the front U-shaped blade 5, so the U-shaped blade 5 is fixed by the U-shaped blade fixing screw 15 and the one-word blade fixing screw 10 on the saw frame 2, the tail of the saw frame 2 can adopt the U-shaped saw twist and the screw to tighten the saw blade 2; the saw teeth of the saw blade 3 adopt the equilateral triangle saw teeth 6 with the included angle of 60 degrees, and every four equilateral triangle saw teeth 6 are arranged with two parabolic arc saw teeth 7 for facilitating the removal of the bark, so as to reduce the bark paste teeth, meanwhile, the product is used in a draw type.

[0020] It can be understood that the utility model is reasonable in design and unique in structure, the one-word blade 4 is arranged to cooperate with the saw blade 3 to scrape off the old bark outside, then the U-shaped blade 5 scrapes off the nutrient layer between the bark and the tree trunk, which saves time and labor, and is more labor-saving and easier to remove the bark when the old bark is relatively hard, the thinner and narrower saw blade can be adopted, the cost of replacing the saw blade is reduced, and the installation is more convenient.

[0021] The embodiments of the present application are described in detail in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A fruit tree girdling saw comprising a handle and a saw frame connected to the handle, characterized in that: The bottom outer side of the saw frame is provided with two saw blades arranged in parallel with each other, the bottom inner side of the saw frame is provided with two linear blades arranged in parallel with each other, the end of the saw frame is provided with a U-shaped blade, the linear blade is located between the saw blades, the bottom of the saw blade is provided with a plurality of equilateral triangular saw teeth and parabolic arc saw teeth, and two parabolic arc saw teeth are arranged between every four equilateral triangular saw teeth.

2. The fruit tree girdling saw of claim 1, wherein: The linear blade is obliquely arranged towards the right side of the saw blade.

3. The fruit tree girdling saw of claim 1, wherein: The bottom of the saw frame is provided with two linear blade mounting grooves matched with the linear blade, and the upper end of the linear blade is inserted into the linear blade mounting groove.

4. The fruit tree girdling saw of claim 1, wherein: The linear blade mounting groove is communicated with a linear blade screw hole, the linear blade screw hole is provided with a linear blade fixing screw, and the outer side of the linear blade is provided with a blade fixing notch matched with the linear blade fixing screw.

5. The fruit tree girdling saw of claim 4, wherein: The side of the U-shaped blade is provided with a first screw hole and a second screw hole, the left end of the saw frame is provided with a U-shaped blade fixing through hole, the U-shaped blade fixing through hole is provided with a U-shaped blade fixing screw, the U-shaped blade fixing screw penetrates the first screw hole and the U-shaped blade fixing through hole in sequence, and the second screw hole is communicated with the linear blade fixing screw hole close to the U-shaped blade.

6. The fruit tree girdling saw of claim 5, wherein: One end of the saw blade is arranged outside the U-shaped blade fixing screw, the right end of the saw frame is provided with a saw blade fixing screw, and the other end of the saw blade is arranged outside the saw blade fixing screw.

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