CN106818252B

CN106818252B - Bark cutting device

Info

Publication number: CN106818252B
Application number: CN201611212638.7A
Authority: CN
Inventors: 薛桂康
Original assignee: Chongqing Yongchuan Yisan Seedling Co ltd
Current assignee: Shandong Yusheng Culture Co.,Ltd.
Priority date: 2016-12-25
Filing date: 2016-12-25
Publication date: 2020-06-02
Anticipated expiration: 2036-12-25
Also published as: CN106818252A

Abstract

The invention belongs to the technical field of agricultural branch pruning tools, and discloses a bark cutting device which comprises a cutting mechanism and an auxiliary mechanism, wherein the cutting mechanism comprises a memory metal elastic sheet and an air bag, one side of the memory metal elastic sheet is provided with a cutter which is obliquely arranged, the other side of the memory metal elastic sheet is connected with the air bag, the oblique direction of the cutter at the upper part of the memory metal elastic sheet is opposite to that of the cutter at the lower part of the memory metal elastic sheet, the inner side of the air bag is connected with the memory metal elastic sheet, the outer side of the air bag is arc-shaped, an air valve is arranged on the air bag; the auxiliary mechanism comprises an inflating mechanism and a holding mechanism, the inflating mechanism comprises a silica gel air cylinder, the silica gel air cylinder is provided with an air inlet and an air outlet, the air outlet is connected with an air guide pipe, and the movable end of the air guide pipe is connected with an inflating opening; the holding mechanism comprises a telescopic rod, and the telescopic rod is connected with the memory metal elastic sheet. The problems of low achievement rate, high labor intensity and low trimming accuracy in the prior art are solved.

Description

Bark cutting device

Technical Field

The invention belongs to the field of agricultural branch pruning tools, and particularly relates to a bark cutting device.

Background

In order to make branches of trees grow more luxuriant, the branches are generally required to be trimmed, particularly for fruit trees, in order to make fruits grow more, the branches of the fruit trees are required to be made to be very many, and therefore, according to the top advantages, the branches at the top ends of the trees are required to be cut off to provide more nutrients for the branches of the branches. The existing mode is to trim by using an electric saw, but the mode is very inconvenient when trimming higher branches, a ladder is needed to be used, or a person climbs to a tree to cut, and after the cutting is finished, the branches fall down to easily injure the person.

In order to solve the problems, the chinese patent with patent publication No. CN104396586B provides a safe clamp type branch trimmer, which comprises a clamp, a trimming mechanism and an auxiliary mechanism, and the specific structure and connection mode are as follows: the clamp comprises a clamp body, a compression spring, a spring steel sheet, a chuck, a limiting top block and a cylinder, wherein the clamp body is hinged on circular holes on two sides of the supporting rod, the clamp body is connected with the chuck through the spring steel sheet, the limiting top block is welded at the other end of the clamp body, the cylinder is welded on the clamp body, and the compression spring is sleeved on the cylinder; the shearing mechanism comprises a shearing fork mechanism, a cylindrical pin, scissors, a square pin and an extension spring, the scissors are welded at the upper end of the shearing fork mechanism, the cross points of the scissors are hinged through the cylindrical pin, the lower end of the shearing fork mechanism is hinged through one end of the cylinder of the square pin, and two ends of the extension spring are respectively hooked on the cylindrical pin and the square pin; the auxiliary mechanism comprises a length adjusting rod, a pull rope, a locking nut, a supporting rod and a top block, the length adjusting rod is in clearance fit with a square hole of the supporting rod, the locking nut is matched with a threaded hole in the supporting rod, the pull rope is tied on a square pin, the top block is fixedly connected with the other end of the square pin, and a square groove in the supporting rod is matched with the square pin to form a sliding pair. This technical scheme pulls square round pin through the pulling stay cord and moves down along square groove, and square round pin drives the kicking block and backs down spacing kicking block and makes anchor clamps press from both sides tightly, and the other end makes the fork mechanism tighten up to the scissors cuts the branch when making anchor clamps press from both sides tightly, and spring steel's elastic deformation can make the chuck press from both sides the branch tightly, avoids the branch to irregularly drop injures the people by a crashing object, and through adjusting trimmer length adjustable, conveniently prunes the branch of eminence.

However, the prior art has the following problems: 1. the branches are required to be collected after the branches are trimmed by the technical scheme, the branches on the trees are disordered, other branches can be damaged during collection, fruits on the trees can be pulled, and therefore the fruits fall off, and the achievement rate is low; 2. the length is adjusted through the length adjusting rod in the prior art, the shearing of branches at high positions can be adapted, however, according to the lever principle, the longer the rod is, the greater the force required during the shearing is, so that the labor intensity of workers is high, and the higher the accuracy during the shearing is, the lower the accuracy is, and other branches can be accidentally injured.

In order to solve the above problems, the applicant has studied the cutting of the branches and found that the sieve tube for delivering nutrients on the fruit tree is located in the bark of the tree, so that only the bark of the branch needs to be cut off, and the branch will be dried due to insufficient absorption of nutrients. This scheme provides bark cutting device to solve the problem that prior art exists.

Disclosure of Invention

The invention aims to provide a bark cutting device which can cut off barks on branches, so that the problems of low achievement rate, high labor intensity and low trimming accuracy in the prior art are solved.

In order to achieve the purpose, the invention provides the following technical scheme that the bark cutting device comprises a cutting mechanism and an auxiliary mechanism, wherein the cutting mechanism comprises a memory metal elastic sheet and an air bag, one side of the memory metal elastic sheet is provided with a cutter which is obliquely arranged, the other side of the memory metal elastic sheet is connected with the air bag, the oblique direction of the cutter at the upper part of the memory metal elastic sheet is opposite to that of the cutter at the lower part of the memory metal elastic sheet, the inner side of the air bag is connected with the memory metal elastic sheet, the outer side of the air bag is arc-shaped, the air bag is provided with an air valve; the auxiliary mechanism comprises an inflating mechanism and a holding mechanism, the inflating mechanism comprises a silica gel air cylinder, the silica gel air cylinder is provided with an air inlet and an air outlet, the air outlet is connected with an air guide pipe, and the movable end of the air guide pipe is connected with an inflating opening; the holding mechanism comprises a telescopic rod, and the telescopic rod is connected with the memory metal elastic sheet.

The technical principle of the scheme is as follows: exhausting air in the air bag, enabling one side, provided with the cutting knife, of the memory metal elastic sheet to be close to the branch, then beating the branch by using the memory metal elastic sheet, and quickly wrapping the support rod by using the memory metal elastic sheet according to the characteristics of the memory metal elastic sheet, wherein the cutting knife is in contact with the branch; the air bag can expand while being inflated because the outer side of the air bag is arc-shaped, so that the air bag can expand along the shape of the air bag when being inflated, the air bag covers the surface of the memory metal, and the memory metal elastic sheet is extruded, so that the cutting knife is in closer contact with the branches; the stay cord is pulled again, opens the pneumatic valve of gasbag, pulls the telescopic link simultaneously for the memory metal shell fragment takes off from the branch, and the bark that the cutting knife can contact with it at the in-process that takes off cuts off, because the sieve pipe that the branch conveyed nutrient substance is located the bark, therefore the bark is cut off the back, and the branch just can be died after there is not nutrient substance transmission in a period of time.

The memory metal has the recoverability, and the memory metal shrapnel is a structural device similar to a snap ring; the silica gel inflator is an inflating device for inflating the toy.

The technical effect that this scheme can produce is: 1. according to the scheme, the bark on the tree branch is cut off by using the cutting knife on the memory metal elastic sheet, so that the sieve tube for transmitting the nutrient substances on the bark is cut off, the tree branch can be dried and died due to the fact that the tree branch can not absorb the nutrient substances, but the tree branch is still connected to the tree and does not need to be collected and transported along with the tree branch, and pulling on fruits in the tree branch collecting process is avoided; the branches do not need to be collected, so that labor force is saved; 2. the scheme has simple structure, can have buffering force through the air exhaust of the air bag, can reduce the weight of the device and can be used easily; 3. this scheme is passed through memory metal shell fragment and branch contact, cuts the bark through the cutting knife, only need with memory metal shell fragment place the branch that needs the cutting can, the degree of accuracy of cutting is high, avoids other branches of accidental injury.

The following are preferred schemes based on the above scheme:

the first preferred scheme is as follows: the cutting knife passes through the side wall of the air bag connected with the memory metal elastic sheet. When exhausting, the gasbag can drive the cutting knife to remove to a reverse power to the cutting knife to the bark of making is bigger by the area of cutting, makes the bark transmit nutrient substance slower, and the branch is died sooner.

The preferred scheme II is as follows: based on the preferred scheme one, be equipped with the sawtooth on the cutting knife. The bark is more conveniently cut.

The preferable scheme is three: based on the second preferred scheme, the telescopic link is connected with a supporting rod in a rotating mode, and the movable end of the pull rope is wound on the supporting rod. The stay rod can wind the stay rope to prevent the stay rope from knotting.

The preferable scheme is four: based on the third preferred scheme, the thickness of the memory metal elastic sheet is 4-8 mm. When the thickness of the memory metal elastic sheet is less than 4mm, the memory metal elastic sheet has low hardness, so the memory metal elastic sheet is easy to deform and has poor bark cutting effect; when the thickness of the memory metal elastic sheet is larger than 8mm, the memory metal elastic sheet has too large hardness and is not easy to curl when contacting with branches.

The preferable scheme is five: based on the preferable scheme IV, the cutting mechanism is detachably connected with the auxiliary mechanism. Is convenient to carry.

Drawings

Fig. 1 is a schematic view of the bark cutting device according to the present invention.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: memory metal shrapnel 1, cutting knife 11, gasbag 2, air valve 21, pull rope 22, air duct 23, telescopic link 3, support rod 31, silica gel inflator 4.

As shown in fig. 1, the bark cutting device comprises a cutting mechanism and an auxiliary mechanism, wherein the cutting mechanism comprises a memory metal elastic sheet 1 and an air bag 2, a cutting knife 11 is obliquely arranged on the right side of the memory metal elastic sheet 1, saw teeth are arranged on the cutting knife, the high end of the upper cutting knife 11 is connected with the memory metal elastic sheet 1, the low end of the lower cutting knife 11 is connected with the memory metal elastic sheet 1, the left side of the memory metal elastic sheet 1 is connected with the air bag 2, the left side of the air bag 2 is arc-shaped, the left side of the cutting knife 11 penetrates through the memory metal elastic sheet 1 and is positioned in the air bag 2, an air valve 21 is arranged on the air bag 2; the auxiliary mechanism comprises a silica gel air cylinder 4 and a telescopic rod 3, the silica gel air cylinder 4 is provided with an air inlet and an air outlet, the air outlet is connected with an air guide tube 23, the high end of the air guide tube 23 is connected with an inflation inlet, the telescopic rod 3 is connected with the bottom of the memory metal elastic sheet 1, the telescopic rod 3 is provided with a support rod 31, and the low end of the pull rope 22 is wound on the support rod 31.

When the tree bark cutting device is used, gas in the air bag 2 is exhausted, the memory metal elastic sheet 1 is kept in a vertical state, the telescopic rod 3 is held to enable the memory metal elastic sheet 1 to be in contact with tree branches needing to cut tree barks, according to the characteristics of the memory metal elastic sheet 1, the memory metal elastic sheet 1 can be wound on the tree branches, the tree barks are tightly clamped by the cutting knife 11, the air bag 2 is inflated through the silica gel air cylinder 4, the air bag 2 is enabled to extrude the memory metal elastic sheet 1, and the cutting knife 11 is enabled to be in closer; pull stay cord 22 again, the memory metal shell fragment 1 of pulling simultaneously, stay cord 22 opens pneumatic valve 21, and pneumatic valve 21 exhaust can make cutting knife 11 remove for cutting knife 11 on the memory metal shell fragment 1 cuts more barks, and be equipped with the sawtooth on the cutting knife 11, can be more quick when the cutting cut the bark down.

It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the structure of the invention, and it is intended to cover all modifications and equivalents of the invention without departing from the spirit and scope of the invention.

Claims

1. Bark cutting device, including cutting mechanism and complementary unit, its characterized in that: the cutting mechanism comprises a memory metal elastic sheet and an air bag, wherein one side of the memory metal elastic sheet is provided with a cutter obliquely arranged, the other side of the memory metal elastic sheet is provided with the air bag, the oblique direction of the cutter at the upper part of the memory metal elastic sheet is opposite to that of the cutter at the lower part of the memory metal elastic sheet, the inner side of the air bag is connected with the memory metal elastic sheet, the outer side of the air bag is arc-shaped, the air bag is provided with an air valve, a pull rope is connected onto; the auxiliary mechanism comprises an inflating mechanism and a holding mechanism, the inflating mechanism comprises a silica gel air cylinder, the bottom of the silica gel air cylinder is provided with an air inlet and an air outlet, the air outlet is connected with an air guide pipe, and the movable end of the air guide pipe is connected with an inflating opening; the holding mechanism comprises a telescopic rod, and the telescopic rod is connected with the memory metal elastic sheet; the cutting knife penetrates through the side wall of the air bag connected with the memory metal elastic sheet; the memory metal shell fragment contacts with the branch that needs to cut the bark, and the memory metal shell fragment can twine on the branch, grasps the bark through the cutting knife tightly.

2. The bark cutting device as set forth in claim 1, wherein: the cutting knife is provided with sawteeth.

3. The bark cutting device as set forth in claim 2, wherein: the telescopic rod is rotatably connected with a supporting rod, and the movable end of the pull rope is wound on the supporting rod.

4. The bark cutting device as set forth in claim 3, wherein: the thickness of the memory metal elastic sheet is 4-8 mm.

5. The bark cutting device as set forth in claim 4, wherein: the cutting mechanism is detachably connected with the auxiliary mechanism.