KR101309949B1 - Midair wood crusher - Google Patents

Midair wood crusher Download PDF

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Publication number
KR101309949B1
KR101309949B1 KR1020130036147A KR20130036147A KR101309949B1 KR 101309949 B1 KR101309949 B1 KR 101309949B1 KR 1020130036147 A KR1020130036147 A KR 1020130036147A KR 20130036147 A KR20130036147 A KR 20130036147A KR 101309949 B1 KR101309949 B1 KR 101309949B1
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South Korea
Prior art keywords
sawdust
unit
crushing
wood
blade
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KR1020130036147A
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Korean (ko)
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박진옥
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박진옥
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Priority to KR1020130036147A priority Critical patent/KR101309949B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/06—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood powder or sawdust

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

PURPOSE: A midair wood crusher is provided to immediately crush trees which are thinned in a place like a closed room and a park into sawdust without cutting raw woods, pulverize the various sizes of trees and produce sawdust by crushing a tree which is adhered to the ground without cutting the tree or transporting the tree. CONSTITUTION: An air wood crusher comprises: a disk-type breaking part (400); a transport unit; driver (300); and a case. The disk-type breaking part comprises: a crush blade which crushes timbers; a sawdust inlet which is formed to be adjacent to the front of the rotation direction of the crush blade in order to inhale the sawdust by the rotation move of the crush blade; and a sawdust collection blade (403) which is formed on opposite surface to the crush blade, is adjacent to the sawdust inlet and is spirally inclined to the rotational direction so that the sawdust inhaled by being pushed by the sawdust inlet is collected to the central part. The transport unit comprises a rotary rod (502) which is extended in the rear center portion of the breaking part and transfers rotary motion to the breaking part and a screw (501) which is formed in a spiral shape board at the side of the rotary rod and transfers the collected sawdust to the rear center portion of the breaking part by the rotary motion. The driver is connected to the top of the rotary rod and delivers rotary motion to the rotary rod by generating the rotary motion. The case mounts the breaking part and the transport unit and includes a vent (202) ejecting the sawdust which is transferred by the transport unit.

Description

공중목재파쇄기{MIDAIR WOOD CRUSHER}Aerial Wood Chipper {MIDAIR WOOD CRUSHER}

본 발명은 공중목재파쇄기에 관한 것으로, 더욱 상세하게는 파쇄 대상물인 수목을 절단하여 이동하지 않고 제자리에서 바로 파쇄하여 톱밥으로 가공하는 공중목재파쇄기에 관한 것이다.The present invention relates to an aerial wood shredder, and more particularly, to an aerial wood shredder which is processed into sawdust by immediately shredding in place without cutting and moving the trees to be shredded.

일반적으로 목재를 파쇄하여 톱밥을 생성하기 위해서는 수목을 절단하여 목재파쇄기가 위치한 곳까지 운반하여 파쇄하게 된다.In general, in order to produce sawdust by crushing wood, wood is cut and transported to a place where a wood crusher is located for crushing.

이와 같은 톱밥생성에는 절단톱, 운반장치, 목재파쇄기 등의 여러 장치가 필요하고, 절단과정, 운반과정, 파쇄과정 등으로 여러 과정을 거치게 된다.Such sawdust production requires a number of devices such as a saw saw, a conveying device, a wood shredder, and goes through several processes such as cutting, conveying, and shredding.

특히, 운반과정에서 수목을 통째로 옮겨야 했다.In particular, the whole tree had to be moved during the transport.

상기와 같은 종래의 목재파쇄방식에 있어 사용되는 목재파쇄기는 바닥에 두고 사용하며, 목재를 주입부에 삽입하면 파쇄되어 배출구로 나오는 것이다.The wood shredder used in the conventional wood shredding method as described above is used on the floor, and when the wood is inserted into the injection part, the wood shredder is crushed and comes out of the outlet.

그러나 이는 그 무게와 부피때문에 이동시켜 사용할 수가 없고, 주입부의 크기보다 큰 목재를 파쇄할 수 없는 문제가 있다.However, because of its weight and volume can not be moved and used, there is a problem that can not be shredded wood larger than the size of the inlet.

본 발명은 상기와 같은 종래의 문제점을 해소하기 위해 고안된 것으로, 본 발명의 목적은 밀살된 수목 또는 공원과 같은 곳의 솎음하는 수목을 원목의 절단 없이 바로 톱밥으로 파쇄할 수 있으며, 토지에 부착된 수목을 절단이나 운반하지 않고 토지에 부착된 상태로 파쇄하여 톱밥을 생성할 수 있는 공중목재파쇄기를 제공하는 데 있다.The present invention is designed to solve the conventional problems as described above, an object of the present invention can be shredded in the sawdust without the cutting of the log wood, such as a slaughtered trees or parks, and attached to land It is to provide a public wood shredder that can produce sawdust by crushing the land attached to the land without cutting or transporting the tree.

상기 목적을 달성하기 위한 본 발명에 따른 공중목재파쇄기는 다양한 크기의 나무를 파쇄하기 위해 파쇄날이 케이스 외부로 노출되어 있고, 이동식으로 사용하면서크기를 줄이기 위해 파쇄 기능과 톱밥흡입기능 톱밥수집기능을 겸하는 원판형의 파쇄부로 구성되며, 또한 크기와 무게를 줄이기 위해 별도의 저장부를 포함하지 않고 생성된 톱밥을 스크류로 이송시켜 곧바로 배출구를 통해 배출하도록 구성된 것을 특징으로 한다.Aerial wood shredder according to the present invention for achieving the above object is a shredding blade is exposed to the outside of the case for shredding wood of various sizes, the shredding function and sawdust suction function sawdust collection function to reduce the size while using mobile Composed of a disk-shaped crushing portion, and also to reduce the size and weight, characterized in that it is configured to transfer the sawdust generated by the screw without a separate storage unit and immediately discharged through the outlet.

본 발명에 따른 공중목재파쇄기는 밀살된 수목 또는 공원과 같은 곳의 솎음하는 수목을 원목의 절단 없이 바로 톱밥으로 파쇄할 수 있으며, 다양한 크기의 나무를 파쇄할 수 있으며, 토지에 부착된 수목을 절단이나 운반하지 않고 토지에 부착된 상태로 파쇄하여 톱밥을 생성할 수 있다.The aerial wood shredder according to the present invention can be immediately shredded in the sawn wood, such as a slaughtered trees or parks, without cutting the wood, can shred trees of various sizes, cutting the trees attached to the land Sawdust can be produced by shredding on land without transporting it.

도 1은 본 발명의 일실시예에 따른 공중목재파쇄기의 사시도이다.
도 2는 본 발명의 일실시예에 따른 공중목재파쇄기의 측면도이다.
도 3은 본 발명의 일실시예에 따른 공중목재파쇄기의 투시도이다.
도 4는 본 발명의 일실시예에 따른 공중목재파쇄기의 파쇄부와 이송부를 도시한 도면이다.
도 5는 본 발명의 일실시예에 따른 공중목재파쇄기의 파쇄부를 도시한 도면이다.1 is a perspective view of an aerial wood crusher according to an embodiment of the present invention.
2 is a side view of an aerial wood crusher according to an embodiment of the present invention.
3 is a perspective view of an aerial wood shredder according to an embodiment of the present invention.
4 is a view showing a crushing unit and the conveying unit of the aerial wood crusher according to an embodiment of the present invention.
5 is a view showing a shredding unit of a public wood shredder according to an embodiment of the present invention.

본 발명에서 사용되는 용어는 가능한 현재 널리 사용되는 일반적인 용어를 선택하였으나, 특정한 경우는 출원인이 임의로 선정한 용어도 있는데 이 경우에는 단순한 용어의 명칭이 아닌 발명을 실시하기 위한 구체적인 내용에 기재되거나 사용된 의미를 고려하여 그 의미가 파악되어야 할 것이다.The term used in the present invention is a general term that is widely used at present. However, in some cases, there is a term selected arbitrarily by the applicant. In this case, the term used in the present invention It is necessary to understand the meaning.

이하, 첨부한 도면에 도시된 바람직한 실시 예들을 참조하여 본 발명의 기술적 구성을 상세하게 설명한다.Hereinafter, the technical structure of the present invention will be described in detail with reference to preferred embodiments shown in the accompanying drawings.

먼저, 도 1은 본 발명의 일실시예에 따른 공중목재파쇄기의 사시도이며, 도 2는 측면도이며, 도 3은 투시도이며, 도 4는 본 발명의 일실시예에 따른 공중목재파쇄기의 파쇄부와 이송부를 도시한 도면이고, 도 5는 본 발명의 일실시예에 따른 공중목재파쇄기의 파쇄부를 도시한 도면이다.First, Figure 1 is a perspective view of a public wood shredder according to an embodiment of the present invention, Figure 2 is a side view, Figure 3 is a perspective view, Figure 4 and the shredding portion of the aerial wood shredder according to an embodiment of the present invention 5 is a view showing a conveying unit, and FIG. 5 is a view showing a crushing unit of an aerial wood crusher according to an embodiment of the present invention.

도 1, 도 2, 도 3, 도 4, 도 5를 참조하면 상기 공중목재파쇄기는 케이스(100,200), 구동부(300), 파쇄부(400), 이송부(500)로 구성된다.1, 2, 3, 4, and 5, the aerial wood shredder is composed of cases 100 and 200, a driving part 300, a shredding part 400, and a conveying part 500.

이때, 파쇄부(400)는 목재를 파쇄하여 톱밥을 흡입하고 수입하는 부분으로 목재를 파쇄하는 파쇄날(401)과 상기 파쇄날과 이웃하여 형성되며 목재가 파쇄되어 생긴 톱밥을 흡입하는 톱밥흡입구(402)와 상기 톱밥흡입구에 이웃하며 상기 파쇄날과 반대면에 형성된 흡입된 톱밥을 중심부로 수집하는 톱밥수집날(403)로 이루어지며, 본 발명의 바람직한 실시 예에 있어서는 반시계방향으로 회전할 때 적합하도록 반시계방향을 기준으로 파쇄날(401) 다음에 톱밥흡입구(402)가 형성되며, 톱밥수집날(403)도 반시계방향으로 회전할 때 톱밥이 수집되도록 기울게 형성하였다.At this time, the shredding unit 400 is a shredding blade 401 for shredding the wood and importing sawdust by crushing the wood and the sawdust suction port is formed adjacent to the shredding blade and sucked the sawdust generated by the wood shredding ( 402) and the sawdust collecting blade 403 which is adjacent to the sawdust suction port and collects the suctioned sawdust formed on the opposite side to the shredding blade to the center, and in the preferred embodiment of the present invention when rotating in the counterclockwise direction. The sawdust suction opening 402 is formed next to the crushing blade 401 based on the counterclockwise direction, and the sawdust collecting blade 403 is also formed to be inclined so that sawdust is collected when rotating in the counterclockwise direction.

한편, 이송부(500)는 상기 파쇄부(400)에서 생성한 톱밥을 이송하는 부분으로 상기 파쇄부(400)의 후면 중심부에서 연장되며 파쇄부에 회전운동을 전달하는 회전봉(502)과 상기 회전봉(502)의 측면에 나선형의 판으로 형성되며 상기 파쇄부(400)의 후면 중심부로 수집된 톱밥을 회전운동에 의해 이송시키는 스크류(501)로 이루어지며, 본 발명의 바람직한 실시 예에 있어서는 반시계방향으로 회전할 때 적합하도록 스크류(501)의 나선방향을 하부에서 상부 방향에 있어서 나선방향으로 형성되도록 하였다.On the other hand, the transfer unit 500 is a portion for transferring the sawdust generated in the crushing unit 400 extends from the rear center of the crushing unit 400 and the rotating rod 502 and the rotating rod for transmitting a rotational movement to the crushing unit ( It is formed of a spiral plate on the side of the 502 and consists of a screw 501 for transporting the sawdust collected in the center of the back of the crushing unit 400 by a rotational movement, in a preferred embodiment of the present invention counterclockwise The spiral direction of the screw 501 is formed in the helical direction from the bottom to the upper direction so as to be suitable when rotating.

한편, 구동부(300)는 회전운동을 발생시켜 상기 이송부(500)의 회전봉(502)에 회동력을 전달하는 부분으로, 상기 회전봉(502)의 상단부와 연결되어 있으며, 다양한 구동방식으로 구성될 수 있으나, 본 발명의 바람직한 실시 예에서 있어서는 전기모터와 톱니기어를 통해 구성하였으며, 이 외에도 유압모터나 엔진 등 다양한 방식으로 구성될 수 있다.On the other hand, the driving unit 300 is a part for transmitting the rotational force to the rotating rod 502 of the transfer unit 500 by generating a rotational movement, is connected to the upper end of the rotating rod 502, can be configured in a variety of driving schemes However, in the preferred embodiment of the present invention was configured through the electric motor and the gear gear, in addition to this can be configured in various ways, such as a hydraulic motor or engine.

한편, 케이스(100,200)는 상기 파쇄부(400), 이송부(500)를 보호하고, 상기 이송부(500)에 의해 이송된 톱밥을 배출하는 부분으로, 상기 파쇄부(400), 이송부(500)가 실장되며 하부가 개방되어 상기 파쇄부(400)의 파쇄날이 외부로 노출되며 상기 이송부(500)에 의해 이송된 톱밥을 배출하는 배출구(202)가 형성되며, 본 발명의 바람직한 실시예에 있어서는 부피를 최소화하고 톱밥 이송을 원활하게 하기 위해 실장되는 파쇄부(400), 이송부(500)와의 간격을 1~5mm로 최소화하였다.On the other hand, the case (100,200) is to protect the crushing unit 400, the conveying unit 500, and discharge the sawdust conveyed by the conveying unit 500, the crushing unit 400, the conveying unit 500 It is mounted and the lower part is opened, the crushing blade of the crushing unit 400 is exposed to the outside is formed with a discharge port 202 for discharging the sawdust conveyed by the conveying unit 500, the volume in the preferred embodiment of the present invention In order to minimize and smooth the sawdust transfer, the distance between the crushing unit 400 and the conveying unit 500 is minimized to 1-5 mm.

아울러, 상기 케이스는 하부케이스(100)와 상부케이스(200)의 결합으로 구성될 수 있다.In addition, the case may be configured by a combination of the lower case 100 and the upper case 200.

이때, 상기 하부케이스(100)는 상기 파쇄부(400)와 상기 이송부(500)의 하부를 실장하며, 상기 하부케이스(100)의 상단부에는 하부케이스플랜지(101)가 형성되며, 상기 상부케이스(200)는 상기 이송부(500)의 상부를 실장하며, 상기 상부케이스의 하단부에는 상기 하부케이스플랜지(101)와 연결되는 상부케이스플랜지(201)가 형성된다.At this time, the lower case 100 is mounted to the lower portion of the crushing unit 400 and the transfer unit 500, the lower case flange 101 is formed on the upper end of the lower case 100, the upper case ( The upper part 200 mounts an upper portion of the transfer part 500, and an upper case flange 201 connected to the lower case flange 101 is formed at a lower end of the upper case.

본 발명의 일실시 예에 따른 공중목재파쇄기의 사용은 다음과 같이 이루어진다.The use of a public wood shredder according to an embodiment of the present invention is made as follows.

토지에 부착된 수목의 최상단이나 가지의 말단에 공중목재파쇄기의 파쇄날(401)이 접촉하도록 한다. 이 때 가지방향으로 공중목재파쇄기에 힘을 가하면서 공중목재파쇄기의 구동부가 구동하도록 동력을 발생시킨다.The shredding blade 401 of the aerial wood shredder is in contact with the top of the tree or the end of the branch attached to the land. At this time, power is generated to drive the driving unit of the aerial wood shredder while applying force to the aerial wood shredder in the branch direction.

파쇄날(401)이 회전하면서 수목의 접촉부분이 절단되면서 톱밥을 발생시키고 톱밥은 톱밥흡입구(402)을 통해 흡입되고 톱밥수집날(403)에 의해 이송부(500) 하단으로 수집되어 스크류(501)를 통해 이송된다.As the crushing blade 401 is rotated, the contact portion of the tree is cut to generate sawdust, and the sawdust is sucked through the sawdust suction opening 402 and collected by the sawdust collecting blade 403 to the lower portion of the transfer part 500 to the screw 501. Are transported through.

이송부(500) 상부까지 이송된 톱밥은 배출구(202)를 통해 밀려 배출된다.Sawdust transferred to the upper portion of the conveying part 500 is pushed through the discharge port 202 is discharged.

결과적으로 본 발명의 일실시 예에 따른 공중목재파쇄기는 상술한 구성들을 통해 다양한 크기의 나무를 파쇄할 수 있으며, 토지에 부착된 수목을 절단이나 운반하지 않고 토지에 부착된 상태로 파쇄하여 톱밥을 생성할 수 있다.As a result, the aerial wood shredder according to an embodiment of the present invention can shred wood of various sizes through the above-described configuration, and sawdust by shredding the wood attached to the land without cutting or transporting the wood. Can be generated.

이상에서 살펴본 바와 같이 본 발명은 바람직한 실시 예를 들어 도시하고 설명하였으나, 상기한 실시 예에 한정되지 아니하며 본 발명의 정신을 벗어나지 않는 범위 내에서 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변경과 수정이 가능하다 할 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications may be made by those skilled in the art.

100 : 하부케이스, 101 : 하부케이스플랜지,
200 : 상부케이스, 201 : 상부케이스플랜지, 202 : 배출구,
300 : 구동부,
400 : 파쇄부, 401 : 파쇄날, 402 : 톱밥흡입구, 403 : 톱밥수집날,
500 : 이송부, 501 : 스크류, 502 : 회전봉100: lower case, 101: lower case flange,
200: upper case, 201: upper case flange, 202: outlet
300 drive unit,
400: shredding part, 401: shredding blade, 402: sawdust suction port, 403: sawdust collecting blade,
500: conveying part, 501: screw, 502: rotating rod

Claims (2)

목재를 파쇄하는 파쇄날(401)과 상기 파쇄날의 회전이동에 의해 파쇄된 톱밥이 밀려서 흡입될 수 있도록 상기 파쇄날의 회전방향 전방에 이웃하여 형성되는 톱밥흡입구(402)와 상기 톱밥흡입구(402)에 밀려서 흡입된 톱밥이 중심부로 수집되도록 회전방향으로 나선형으로 기울어지며 상기 톱밥흡입구에 이웃하며 상기 파쇄날과 반대면에 형성된 톱밥수집날(403)로 구성된 원판형의 파쇄부(400)와;
상기 파쇄부(400)의 후면 중심부에서 연장되며 파쇄부에 회전운동을 전달하는 회전봉(502)과 상기 회전봉(502)의 측면에 나선형의 판으로 형성되며 상기 파쇄부(400)의 후면 중심부로 수집된 톱밥을 회전운동에 의해 이송시키는 스크류(501)로 구성된 이송부(500)와;
상기 회전봉(502)의 상부와 연결되며 회전운동을 발생시켜 상기 회전봉(502)에 전달하는 구동부(300)와;
상기 파쇄부(400), 이송부(500)가 실장되며 상기 이송부(500)에 의해 이송된 톱밥을 배출하는 배출구(202)가 형성된 케이스로 구성된 것을 특징으로 하는 공중목재파쇄기.Sawdust suction port 402 and the sawdust suction port 402 formed adjacent to the front of the rotation direction of the crushing blade so that the crushed blade 401 and the sawdust crushed by the rotational movement of the crushing blade is pushed in the wood A disk-shaped crushing part 400 composed of sawdust collecting blades 403 formed on the opposite side to the sawdust suction port and spirally inclined in a rotational direction so that the sawdust sucked by the thrust is collected into the center;
The rotating rod 502 which extends from the rear center of the crushing unit 400 and transmits the rotational movement to the crushing unit and is formed as a spiral plate on the side of the rotating rod 502 and collected as the rear center of the crushing unit 400. A conveying part 500 composed of a screw 501 for conveying the sawdust by a rotary motion;
A driving unit 300 connected to an upper portion of the rotating rod 502 and generating a rotating movement and transmitting the rotating rod 502 to the rotating rod 502;
The crushing unit 400, the conveying unit 500 is mounted, the aerial wood crusher, characterized in that consisting of a case formed with a discharge port 202 for discharging the sawdust conveyed by the conveying unit (500). 제1항에 있어서, 상기 케이스가 상기 파쇄부(400)와 상기 이송부(500)의 하부를 실장하는 하부케이스(100)와 상기 이송부(500)의 상부를 실장하는 상부케이스(200)로 구성되며 상기 하부케이스(100)의 상단부에는 하부케이스플랜지(101)가 형성되며, 상기 상부케이스(200)의 하단부에는 상기 하부케이스플랜지(101)와 연결되는 상부케이스플랜지(201)가 형성된 것을 특징으로 하는 공중목재파쇄기.According to claim 1, wherein the case is composed of a lower case 100 for mounting the lower portion of the crushing unit 400 and the transfer unit 500 and an upper case 200 for mounting the upper portion of the transfer unit 500 A lower case flange 101 is formed at an upper end of the lower case 100, and an upper case flange 201 connected to the lower case flange 101 is formed at a lower end of the upper case 200. Aerial wood shredders.
KR1020130036147A 2013-04-03 2013-04-03 Midair wood crusher KR101309949B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023003355A1 (en) * 2021-07-20 2023-01-26 박진옥 Mid-air wood chipper

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200429483Y1 (en) 2006-07-31 2006-10-23 노창환 Rotating knife of wood chipper
KR100854682B1 (en) 2007-10-25 2008-09-04 주식회사 트리뉴 A cutter 0f wood

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200429483Y1 (en) 2006-07-31 2006-10-23 노창환 Rotating knife of wood chipper
KR100854682B1 (en) 2007-10-25 2008-09-04 주식회사 트리뉴 A cutter 0f wood

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023003355A1 (en) * 2021-07-20 2023-01-26 박진옥 Mid-air wood chipper

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