KR20140055500A - A cone hatchet for poclain - Google Patents

A cone hatchet for poclain Download PDF

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Publication number
KR20140055500A
KR20140055500A KR1020120122498A KR20120122498A KR20140055500A KR 20140055500 A KR20140055500 A KR 20140055500A KR 1020120122498 A KR1020120122498 A KR 1020120122498A KR 20120122498 A KR20120122498 A KR 20120122498A KR 20140055500 A KR20140055500 A KR 20140055500A
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South Korea
Prior art keywords
conical
wood
excavator
cone
support
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KR1020120122498A
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Korean (ko)
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KR101411066B1 (en
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전석균
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전석균
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B23/00—Axes; Hatchets
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/12—Fluid-pressure means
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)

Abstract

The present invention relates to a cone hatchet installed on an excavator and, more specifically, to a cone hatchet installed on an excavator combining a support with an arm and an excavator link by the hinge pins to be moved, and installing a hydraulic motor rotating the rotatory axis by fluid pressure at the support, combining the cone hatchet having a thread part at the outer circumference of the body at the rotatory axis of the hydraulic motor, and preventing a wood from being rotated when the cone hatchet rotates to split the wood by a rotation preventing means.

Description

굴삭기에 장착되는 원뿔도끼{A CONE HATCHET FOR POCLAIN}{A CONE HATCHET FOR POCLAIN}

본 발명은 굴삭기에 장착되는 원뿔도끼에 관한 것으로 특히, 굴삭기의 아암과 링크에 지지대를 힌지핀들에 의해 유동가능토록 결합시키고 지지대에는 유압에 의해 회전축을 회전시키는 유압모터를 장착시키며 유압모터의 회전축에는 몸통 외주연부에 나사부를 형성하고 있는 원뿔도끼를 결합시킨 다음 회전방지수단에 의해 원뿔도끼가 회전에 의해 목재를 쪼갤 때 목재가 회전하는 것을 방지할 수 있도록 된 것으로 굴삭기의 작동에 의해 원뿔도끼의 첨단부를 벌채된 목재에 찍은 다음 유압모터에 의해 원뿔도끼를 회전시키면 원뿔도끼가 목재를 파고 들어가면서 작은 조각의 장작으로 쪼갤 수 있어 많은 량의 목재들을 신속하게 처리하여 정리할 수 있고 굴삭기에 장착된 원뿔도끼의 사용에 의해 벌채 현장에서 목재를 장작화시킬 수 있어 작업자들이 2차적으로 손도끼를 들고 장작을 패야 했던 불편함과 번거로움을 해소할 수 있으며 굴삭기에 장착된 원뿔도끼의 사용시 회전방지수단에 의해 목재가 회전하지 않고 제자리에서 쪼개지기 때문에 작업능률도 향상시킬 수 있는 굴삭기에 장착되는 원뿔도끼에 관한 것이다.The present invention relates to a conical ax mounted on an excavator, and in particular, a hydraulic motor for rotating a rotary shaft by hydraulic pressure is mounted on a support so that a support can be connected to an arm and a link of an excavator by hinge pins, The conical axes forming the threaded portion on the outer periphery of the trunk are joined together and then the rotation preventing means prevents the conical ax from rotating the wood when the wood is broken by the rotation and the tip of the conical ax by the operation of the excavator When the axle is rotated by a hydraulic motor, the axes of the cone pierce the wood and can be split into small pieces of wood, which can be quickly processed and sorted in large quantities, and the conical axes mounted on the excavator It is possible to fire wood at the logging site by use, It is possible to solve the inconvenience and hassle of having to hold the hand ax in the second hand and to avoid the hindrance by using the conical ax mounted on the excavator, To a conical ax mounted on an excavator.

일반적으로 벌채 현장에서는 기계톱으로 나무들을 베고 베어진 나무들은 소정의 간격으로 등분을 하여 자른 다음 운반을 하여 야적장에 야적을 하게 된다.Generally, at the harvesting site, trees are cut with a machine saw, and the cut trees are cut at a predetermined interval and then transported to a field.

물론, 상업용으로 사용 가능한 나무들은 구입자들한테 공급되어 상품화가 되지만 상품성이 없는 나무들은 야적장에 야적을 시켜 놓는 것이다.Of course, the commercially available trees are supplied to buyers and commercialized, but the trees that are not commercially viable are left in the yard.

상기와 같이 야적장에 야적된 상품성이 없는 나무들은 주로 장착으로 만들어 땔감으로 사용되어지게 된다.As mentioned above, the trees which are not commercialized in the yard are used mainly for mounting and used as firewood.

종래에는, 상기 나무들을 장작으로 만들기 위해서 작업자들이 손도끼를 이용하여 한 개씩 쪼개가면서 장작화를 시켰기 때문에 여간 힘들고 수고스러운 일이 아닐 수 없었다.Conventionally, in order to make the woods into firewood, workers were hard and troublesome because they cut firewood by using a hand ax and made it firewood.

상기와 같이 작업자가 직접 수행했던 힘들고 수고스러운 일들을 굴삭기에 의해 처리를 하면 불필요한 힘의 낭비를 줄이고 신속하며 손쉽게 처리를 할 수 있음에도 불구하고 아직까지 벌채 현장에서는 사람의 힘을 빌어 작업을 하고 있는 실정이다As described above, when the excavator handles the difficult and troublesome work performed by the worker, it is possible to reduce the waste of unnecessary power and to handle the work quickly and easily. However, to be

그리고, 상기 굴삭기에는 여러용도의 기구들이 장착되어진다.And, the excavator is equipped with various kinds of apparatuses.

즉, 흙을 퍼서 운반차량에 실어주는 버킷이나, 고철등을 자르거나 콘크리트벽을 분쇄해 주는 유압가위. 나무나 각종 물건등을 집어 운반하기 위한 집게등등 많은 장비가 있지만 벌채 현장에서 나무를 쪼개는데 사용되는 장비는 아직까지 눈에 띄지 않고 있는 실정이다.In other words, hydraulic scissors to cut buckets, scrap, etc. that crush the soil and crush concrete walls. There are a lot of equipment, such as a tongs to pick up and transport trees and other things, but the equipment used to cut trees at the cutting site is not yet available.

이러한 종래의 문제점등을 해결 보완하기 위한 본 발명의 목적은,SUMMARY OF THE INVENTION An object of the present invention is to solve such conventional problems,

굴삭기의 작동에 의해 원뿔도끼의 첨단부를 벌채된 목재에 찍은 다음 유압모터에 의해 원뿔도끼를 회전시키면 원뿔도끼가 목재를 파고 들어가면서 작은 조각의 장작으로 쪼갤 수 있어 많은 량의 목재들을 신속하게 처리하여 정리할 수 있고 굴삭기에 장착된 원뿔도끼의 사용에 의해 벌채 현장에서 목재를 장작화시킬 수 있어 작업자들이 2차적으로 손도끼를 들고 장작을 패야 했던 불편함과 번거로움을 해소할 수 있으며 굴삭기에 장착된 원뿔도끼의 사용시 회전방지수단에 의해 목재가 회전하지 않고 제자리에서 쪼개지기 때문에 작업능률도 향상시킬 수 있도록 하는 목적을 제공한다.When the excavator works, the tip of the cone ax is taken on the timber that is cut, and then the cone ax is rotated by the hydraulic motor. The cone ax can dig into the wood and break it down into a small piece of wood. The use of a conical ax fitted to an excavator enables the wood to be fired at the logging site, which can eliminate the inconvenience and inconvenience that the operator has to second hand the hand ax and hit the firewood, and the conical ax mounted on the excavator The present invention provides the object of improving the work efficiency because the wood is not rotated by the rotation preventing means and is split in place.

상기의 목적을 달성하기 위하여 본 발명은,According to an aspect of the present invention,

굴삭기의 아암과 링크에 지지대를 힌지핀들에 의해 유동가능토록 결합시키고 지지대에는 유압에 의해 회전축을 회전시키는 유압모터를 장착시키며 유압모터의 회전축에는 몸통 외주연부에 나사부를 형성하고 있는 원뿔도끼를 결합시킨 다음 회전방지수단에 의해 원뿔도끼가 회전에 의해 목재를 쪼갤 때 목재가 회전하는 것을 방지할 수 있도록 하면 본 발명의 목적을 달성할 수 있다.A hydraulic motor is attached to the arm and link of the excavator so that the support can be moved by the hinge pins. The support is equipped with a hydraulic motor that rotates the rotary shaft by hydraulic pressure. The rotary shaft of the hydraulic motor is coupled with a conical ax The object of the present invention can be achieved by making it possible to prevent the wood from rotating when the conical ax splits the wood by rotation by the following rotation preventing means.

이와 같이 된 본 발명은, 굴삭기의 작동에 의해 원뿔도끼의 첨단부를 벌채된 목재에 찍은 다음 유압모터에 의해 원뿔도끼를 회전시키면 원뿔도끼가 목재를 파고 들어가면서 작은 조각의 장작으로 쪼갤 수 있어 많은 량의 목재들을 신속하게 처리하여 정리할 수 있는 효과를 가진다.According to the present invention as described above, when the tip of the conical ax is taken on the wired wood by the operation of the excavator, and then the conical ax is rotated by the hydraulic motor, the conical ax can dig into the wood and split into small pieces of wood, It has the effect of promptly processing and sorting wood.

이와 같이 된 본 발명은, 굴삭기에 장착된 원뿔도끼의 사용에 의해 벌채 현장에서 목재를 장작화시킬 수 있어 작업자들이 2차적으로 손도끼를 들고 장작을 패야 했던 불편함과 번거로움을 해소할 수 있는 효과를 가진다.The present invention as described above can fire wood at the harvesting site by using the conical axes mounted on the excavator, thereby eliminating the inconvenience and inconvenience that the workers have to pay for the firearms with the second hand .

이와 같이 된 본 발명은, 굴삭기에 장착된 원뿔도끼의 사용시 회전방지수단에 의해 목재가 회전하지 않고 제자리에서 쪼개지기 때문에 작업능률도 향상시킬 수 있는 유용한 효과를 가진다.The present invention has such a beneficial effect that the work efficiency can be improved because the wood is not rotated by the rotation preventing means when the conical ax mounted on the excavator is used, and the work is also broken.

도 1은 본 발명 굴삭기에 장착된 원뿔도끼를 나타낸 도면
도 2는 본 발명 원뿔도끼의 첨단부 작용을 설명하기 위한 도면
도 3은 본 발명 원뿔도끼의 나사부와 승강봉의 작용을 설명하기 위한 도면
도 4는 본 발명 원뿔도끼에 의해 쪼개지는 목재를 나타낸 도면1 shows a conical ax mounted on an excavator of the present invention
Fig. 2 is a view for explaining the tip end action of the conical ax of the present invention
3 is a view for explaining the operation of the screw portion and the lifting rod of the conical ax of the present invention
4 is a view showing a wood split by the conical ax according to the present invention

본 발명의 구성을 첨부된 도면에 의해 상세히 설명하기로 한다.The construction of the present invention will be described in detail with reference to the accompanying drawings.

굴삭기(101)의 아암(102)과 링크(103)에 힌지핀(104)들에 의해 유동가능토록 결합되는 지지대(111)와,A support 111 which is coupled to the arm 102 of the excavator 101 and the link 103 by means of hinge pins 104,

상기 지지대(111)에 장착되어 유압에 의해 회전축(113)을 회전시키는 유압모터(112)와,A hydraulic motor 112 mounted on the support 111 for rotating the rotary shaft 113 by hydraulic pressure,

상기 유압모터(112)의 회전축(113)에 결합되고 몸통 외주연부에는 나사부 (116)를 형성하고 있는 원뿔도끼(114)와,A conical ax 114 coupled to the rotary shaft 113 of the hydraulic motor 112 and having a thread 116 formed on the outer periphery of the body,

상기 원뿔도끼(114)가 회전에 의해 목재(131)를 쪼갤 때 목재(131)가 회전하는 것을 방지하기 위한 회전방지수단을 구비한 구성이다.And a rotation preventing means for preventing the wood 131 from rotating when the conical ax 114 breaks the wood 131 by rotation.

그리고, 상기 회전방지수단은 지지대(111)의 하측부로 부착되는 고정관(121)과,The rotation preventing means includes a fixing pipe 121 attached to the lower side of the support base 111,

상기 고정관(121)의 내부로 내삽되어 승강운동을 하는 승강봉(123)과,A lifting rod 123 which is inserted into the fixing pipe 121 to move up and down,

상기 승강봉(123)에 탄력을 부여하여 원위치로 복귀하는 성질을 갖추도록 고정관(121) 내부에 탄설되는 탄성부재(122)로 구비하였다.And an elastic member 122 which is tacked in the fixing pipe 121 so as to have a property of giving an elastic force to the elevating bar 123 and returning to the original position.

또한, 상기 원뿔도끼(114)의 꼭지점 부위가 목재(131)에 잘 박히도록 원뿔도끼(114)의 꼭지점 부위에 형성되는 첨단부(115)를 더 구비하였다.The conical axes 114 are further provided with apexes 115 formed at apexes of the conical axes 114 so that the apexes of the conical axes 114 are well embedded in the wood 131.

이와 같이 된 본 발명의 작용을 설명하면 다음과 같다.Hereinafter, the operation of the present invention will be described.

도 1은 본 발명 굴삭기에 장착된 원뿔도끼를 나타낸 도면으로서, 본 발명의 원뿔도끼(114)는 지지대(111)가 힌지핀(104)들에 의해 굴삭기(101)의 아암(102)과 링크(103)에 결합되어 있기 때문에 굴삭기(101) 조종석의 조종에 의해 여러 방향으로 움직일 수 있게 된다.FIG. 1 shows a conical ax mounted on an excavator according to the present invention in which the conical axes 114 of the present invention are constructed such that the support rods 111 are connected to the arms 102 of the excavator 101 by hinge pins 104 103, the excavator 101 can be moved in various directions by manipulating the cockpit.

상기와 같이 굴삭기(101)에 장착된 원뿔도끼(114)에 의해 목재(131)를 쪼갤 시에는 목재(131)가 위치되어 있는 곳으로 굴삭기(101)를 이동시킨 다음 원뿔도끼 (114)의 꼭지점에 형성되고 나사부가 없는 첨단부(115)를 목재(131) 상측부에 접촉시켜 누르면 원뿔도끼(114)의 첨단부(115)가 도 2에 나타낸 바와 같이 목재(131)내부로 박히게 된다.When the wood 131 is broken by the conical axes 114 attached to the excavator 101 as described above, the excavator 101 is moved to the position where the wood 131 is located, And the tip portion 115 of the conical axle 114 is pressed into the wood 131 as shown in FIG.

상기와 같이 첨단부(115)가 목재(131)에 박히면 지지대(111)에 장착된 유압모터(112)를 구동시켜 회전축(113)을 회전시키게 되고 회전축(113)에 결합된 원뿔도끼(114)가 회전을 하게 된다.When the tip portion 115 is stuck in the wood 131 as described above, the hydraulic motor 112 mounted on the support table 111 is driven to rotate the rotary shaft 113 and the conical ax 114 ) Is rotated.

상기 원뿔도끼(114)의 회전에 의해 첨단부(115)가 목재(131)에 박혀있는 상태에서 원뿔도끼의 몸체에 형성된 나사부(116)가 회전하면서 도 3 에 나타낸 바와 같이 목재(131)를 파고 들어가게 된다.The screw part 116 formed on the body of the conical ax rotates while the tip part 115 is stuck in the wood 131 by the rotation of the conical ax 114 and the wood 131 is pierced I will enter.

그리고, 상기 원뿔도끼(114)의 나사부(116)가 점차적으로 목재(131)내부로 파고 들면 들수록 나사부(116)의 직경이 커지는 상태이므로 결국 목재(131)는 도 4에 나타낸 바와 같이 쪼개지게 되는 것이다.As the screw portion 116 of the conical ax 114 progressively sinks into the wood 131, the diameter of the screw portion 116 becomes larger as a result, so that the wood 131 is split as shown in FIG. 4 will be.

이때, 상기 원뿔도끼(114)만으로 목재(131)를 쪼갤 경우에는 원뿔도끼(114)의 회전력에 의해 목재(131)가 같이 회전하는 상황이 벌어지게 된다.At this time, when the wood 131 is split only by the conical axes 114, the state of the wood 131 is rotated by the rotational force of the conical axes 114.

상기와 같이 원뿔도끼(114)와 함께 목재(131)가 회전을 하면 목재(131)를 쪼갤 수 없게 되는바, 이를 방지하기 위하여 지지대(111) 하측에 회전방지수단을 부착하였다.When the wood 131 is rotated together with the conical axes 114 as described above, the wood 131 can not be broken. To prevent this, the rotation preventing means is attached to the lower side of the support 111.

즉, 상기 원뿔도끼(114)의 첨단부(115)가 목재(131) 상측부로 박히는 것과 동시에 지지대(111)에 부착된 승강봉(123)의 단부가 목재(131)일측부 접촉하면서 지지를 하게 된다.That is, the tip portion 115 of the conical axle 114 is stuck to the upper side of the wood 131, and at the same time, the end portion of the elevating rod 123 attached to the supporting table 111 is supported do.

그리고, 상기 승강봉(123)은 고정관(121)에 탄설된 탄성부재(122)의 탄력을 받고 있는 상태이므로 원뿔도끼(114)가 하강하면서 목재(131)내부로 파고 들어 가더라도 목재(131) 일측부를 견고하게 지지하게 된다.Since the elevating rod 123 is receiving the elastic force of the elastic member 122 attached to the fixed pipe 121, the conical ax 114 descends into the wood 131, Thereby firmly supporting the one side portion.

다만, 상기 원뿔도끼(114)의 하강에 의해 지지대(111)의 고정관(121)이 내부의 탄성부재(122)를 압축하면서 하강할 뿐이다.However, due to the lowering of the conical axes 114, the fixing tube 121 of the support 111 only descends while compressing the elastic member 122 therein.

따라서, 상기 승강봉(123)이 목재(131)를 지지해 주는 상황에서 원뿔도끼 (114)는 고정되어 있는 상태의 목재(131)내부로 원활하게 파고 들어가 목재(131)를 쪼갤 수 있는 것이다.The conical axes 114 can smoothly penetrate into the fixed wood 131 and break the wood 131 in a state where the elevating rod 123 supports the wood 131.

상기와 같이 원뿔도끼(114)에 의해 목재(131)를 쪼갠 다음에 원뿔도끼(114)를 들어 올리면 고정관(121)내부의 탄성부재(122)가 이완되면서 승강봉이 원위치를 하게 된다.When the conical axes 114 are lifted up and then the conical axes 114 are lifted up by the conical axes 114 as described above, the elastic members 122 inside the fixing pipes 121 are loosened and the lifting rods are retracted.

상기와 같이 원뿔도끼(114)에 의해 목재를 2등분, 3등분, 4등분 등등 원하는 갯수로 조각을 내어 목재(131)를 장작화시킬 수 있는 것이다.As described above, the conical ax 114 can sculpt the wood into a desired number of pieces, such as two, three, four, and so on, so that the wood 131 can be fired.

101-굴삭기 102-아암
103-링크 104-힌지핀
111-지지대 112-유압모터
114-원뿔도끼 115-첨단부
116-나사부 121-고정관
122-탄성부재 123-승강봉
131-목재101-Excavator 102-arm
103-Link 104-Hinge pin
111-support 112-hydraulic motor
114-conical ax 115-tip
116-thread portion 121-fixed tube
122 - Elastic member 123 -
131-Wood

Claims (3)

굴삭기(101)의 아암(102)과 링크(103)에 힌지핀(104)들에 의해 유동가능토록 결합되는 지지대(111)와,
상기 지지대(111)에 장착되어 유압에 의해 회전축(113)을 회전시키는 유압모터(112)와,
상기 유압모터(112)의 회전축(113)에 결합되고 몸통 외주연부에는 나사부 (116)를 형성하고 있는 원뿔도끼(114)와,
상기 원뿔도끼(114)가 회전에 의해 목재(131)를 쪼갤 때 목재(131)가 회전하는 것을 방지하기 위한 회전방지수단을 구비한 것을 특징으로 하는 굴삭기에 장착되는 원뿔도끼.
A support 111 which is coupled to the arm 102 of the excavator 101 and the link 103 by means of hinge pins 104,
A hydraulic motor 112 mounted on the support 111 for rotating the rotary shaft 113 by hydraulic pressure,
A conical ax 114 coupled to the rotary shaft 113 of the hydraulic motor 112 and having a thread 116 formed on the outer periphery of the body,
And a rotation preventing means for preventing rotation of the wooden piece (131) when the conical ax (114) breaks the wooden piece (131) by rotation.
제 1 항에 있어서,
상기 회전방지수단은 지지대(111)의 하측부로 부착되는 고정관(121)과,
상기 고정관(121)의 내부로 내삽되어 승강운동을 하는 승강봉(123)과,
상기 승강봉(123)에 탄력을 부여하여 원위치로 복귀하는 성질을 갖추도록 고정관(121) 내부에 탄설되는 탄성부재(122)로 구비한 것을 특징으로 하는 굴삭기에 장착되는 원뿔도끼.
The method according to claim 1,
The rotation preventing means includes a fixing pipe 121 attached to the lower side of the support base 111,
A lifting rod 123 which is inserted into the fixing pipe 121 to move up and down,
And a resilient member (122) mounted inside the fixing pipe (121) so as to have a property of restoring the resilience of the lifting rod (123) to the original position.
제 1 항에 있어서,
상기 원뿔도끼(114)의 꼭지점 부위가 목재(131)에 잘 박히도록 원뿔도끼 (114)의 꼭지점 부위에 형성되는 첨단부(115)를 더 구비한 것을 특징으로 하는 굴삭기에 장착되는 원뿔도끼.The method according to claim 1,
Further comprising a tip portion (115) formed at an apex portion of the conical ax (114) so that a vertex portion of the conical ax (114) is well embedded in the wood (131).
KR1020120122498A 2012-10-31 2012-10-31 A cone hatchet for poclain KR101411066B1 (en)

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CN112376645A (en) * 2020-11-11 2021-02-19 潘文祥 Excavator broken wall device

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KR101981088B1 (en) 2017-11-15 2019-05-22 이정광 Hydraulic axe apparatus for cutting timber
KR102548715B1 (en) 2023-06-05 2023-06-28 손정락 Log crusher for firewood

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KR20080000481U (en) * 2006-10-12 2008-04-16 김현화 Firewood processing device

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Publication number Priority date Publication date Assignee Title
CN112376645A (en) * 2020-11-11 2021-02-19 潘文祥 Excavator broken wall device

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