KR200312761Y1 - Coupler construction of the front loader for tractor adhere - Google Patents

Coupler construction of the front loader for tractor adhere Download PDF

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Publication number
KR200312761Y1
KR200312761Y1 KR20-2003-0003126U KR20030003126U KR200312761Y1 KR 200312761 Y1 KR200312761 Y1 KR 200312761Y1 KR 20030003126 U KR20030003126 U KR 20030003126U KR 200312761 Y1 KR200312761 Y1 KR 200312761Y1
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KR
South Korea
Prior art keywords
pin
coupler
assembly
lock
work machine
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KR20-2003-0003126U
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Korean (ko)
Inventor
임경석
Original Assignee
안성공업주식회사
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Priority to KR20-2003-0003126U priority Critical patent/KR200312761Y1/en
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Publication of KR200312761Y1 publication Critical patent/KR200312761Y1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3668—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where engagement is effected by a mechanical lever or handle
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3622—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a locking element acting on a pin
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3672—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where disengagement is effected by a mechanical lever or handle

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)

Abstract

본 고안은 본 고안은 커플러에서 작업기의 교체가 용이하고, 공구의 사용이 없이 커플러상의 연동 레버로 좌우의 조립핀을 동시에 삽입하거나 탈거하여 작업기를 교체할 수 있고, 조립상태에서 조립핀 잠금장치를 포함하는 로우더를 제공하고, 작업기의 교체가 신속하고, 안전하고, 혼자서 쉽게 작업기를 교체 할 수 있는 트랙터 부착용 프론트 로우더 커플러장치를 제공하며, 본 고안은 건설 분야에서도 이용 할 수 있는 로우더 작업기 커플러 장치를 제공한다.The present invention is easy to replace the work machine in the coupler, and can replace the work machine by inserting or removing the left and right assembly pins at the same time with the interlocking lever on the coupler without using a tool, the assembly pin locking device in the assembled state It provides a loader that includes, and provides a tractor attachment front loader coupler device for quick, safe and easy replacement of the work machine, the present invention provides a loader work coupler device that can also be used in the construction field to provide.

Description

트랙터 부착용 프론트 로우더 커플러장치{ Coupler construction of the front loader for tractor adhere}Coupler construction of the front loader for tractor adhere}

본 고안은 농업용 트랙터의 전방에 부착하여 화물을 상하차 하거나 운반하는데 사용하는 프로트로우더 커플러장치에 관한 고안이다.The present invention is a design for a pro-loader coupler device attached to the front of the agricultural tractor used for loading and unloading or transporting cargo.

트랙터는 다양한 작업이 가능하도록 제작되어 있으며 그중에도 트랙터의 전방에 장착하여 작업 응용되는 장치가 프론트 로우더이다. 프론트 로우더는 국내에 몇가지 형식의 제품이 보급되고 있으며 그 기술력도 높은 수준을 보이고 있다. 프론트 로우더의 다기능성은 우리의 농업 현실에 잘 부합되고 있으며, 농사의 힘든 노동을 담당하는 농업분야의 중요한 생산 설비이다. 프론트 로우더가 담당하는 작업 예를 인용하면 퇴비의 상차 작업, 농자재의 상차 작업, 비료등의 상차 작업, 축사의 축분 제거작업, 가축사료의 운반작업, 객토시 땅고르기 작업 등 이다.The tractor is manufactured to enable a variety of tasks, among which the front loader is a device that is applied to the front of the tractor and applied to the application. The front loader has several types of products in Korea and its technical skills are also high. The versatility of the front loader is in line with our agricultural realities and is an important production facility in the agricultural sector that handles the hard work of farming. To cite the example of the front loader's work, the loading work of compost, the loading work of agricultural materials, the loading work of fertilizer, the removal of livestock feed, the transporting of livestock feed, and the ground picking work.

종래의 트랙터용 프론트 로우더는 도1에 나타낸 바와같이, 좌우 브라케트(61)에 핀(62)과 붐 실린더(63)로 각각 조립된 좌우 붐(60)과; 좌우 붐(60)의 외단에 핀(64)과 링크(65,66)와 작업기 실린더(67)로 조립된 프레임(68)과; 프레임(68)에 장착되는 작업기 커플러(69)와; 작업기(70)으로 구성되어있고, 브라케트(61)로 붐(60)을 트렉터에 장착하고, 트랙터에서 취출되는 유압을 제어밸브를 통해 실린더(63,67)에 공급하여 붐(60)과 작업기(70)을 구동하도록 하는것이었다.As shown in FIG. 1, a conventional tractor front loader includes left and right booms 60 assembled with pins 62 and boom cylinders 63 on left and right brackets 61; A frame 68 assembled with pins 64, links 65, 66, and work machine cylinders 67 at the outer ends of the left and right booms 60; A work coupler 69 mounted to the frame 68; It is composed of a work machine 70, the bracket 61 is mounted to the tractor boom 60, and the hydraulic pressure taken out of the tractor is supplied to the cylinder (63, 67) through the control valve to the boom 60 and the work machine To drive 70.

상기 프런트 로우더는 대체로 작업용 버켓을 장착하고 있으나 조사료의 운반, 볏집 운반 작업에서 버켓 대신 포오크나 집게를 장착하게 된다. 이러한 경우에도 종래의 프론트로우더는 프레임(68)측 작업기 커플러(69)의 조립핀을 일일이수작업으로 조립하거나 탈거하여 프레임(68)과 작업기(버켓, 포오크 등)를 분리 또는 조립하는 것으로 이 역시 힘들고, 위험하고, 공구를 사용하게되고, 교체시간이 길어지는 것으로 그 개선이 요구되는 것이었다.The front loader is generally equipped with a working bucket, but forks or tongs are mounted in place of the bucket in transporting forages and crests. Even in this case, the conventional front loader is also difficult to separate or assemble the frame 68 and the work machine (bucket, fork, etc.) by assembling or removing the assembly pins of the work coupler 69 on the frame 68 side by hand. It was dangerous, dangerous to use the tool, and the changeover time was long, which required improvement.

본 고안은 선단 커플러에서 작업기의 교체가 용이한 로우더 커플러장치를 제공하고자 한다. 본 고안은 공구의 사용이 없이 커플러상의 연동 레버로 좌우의 조립핀을 동시에 삽입하거나 탈거하여 작업기를 교체할 수 있는 로우더 커플러장치를 제공하고자 한다. 본 고안은 조립상태에서 조립핀 잠금장치를 포함하는 로우더 커플러장치를 제공하고자 한다. 본 고안은 작업기의 교체가 신속하고, 안전하고, 혼자서 쉽게 교체 할 수 있는 로우더 커플러장치를 제공하고자 한다. 본 고안은 건설 분야에서도 작업기 교체에 이용할 수 있는 로우더의 커플러장치를 제공하고자 한다.The present invention is to provide a loader coupler device that is easy to replace the work machine in the tip coupler. The present invention is to provide a loader coupler device that can replace the work machine by inserting or removing the left and right assembly pins at the same time with the linkage lever on the coupler without the use of a tool. The present invention is to provide a loader coupler device including an assembly pin locking device in the assembled state. The present invention aims to provide a loader coupler device that can be replaced quickly, safely, and easily by itself. The present invention seeks to provide a coupler device of a loader that can be used to replace a work machine in the construction field.

도1은 프론트 로우더의 사시도1 is a perspective view of a front loader

도2은 로우더 커플러에서 작업기(버켓)을 분리한 상태 측면도Figure 2 is a side view of the work machine (bucket) removed from the loader coupler

도3은 작업기(버켓)을 조립한 커플러와 작업기(버켓)의 배면도Figure 3 is a rear view of the coupler and the work machine (bucket) assembled work machine (bucket)

도4은 커플러핀이 열린상태 정면사시도Figure 4 is a front perspective view of the coupler pin is open

도5는 록커의 단면도5 is a cross-sectional view of the rocker

도6는 작업기(버켓) 1단계 조립상태 측면도Figure 6 is a side view of the work machine (bucket) 1 step assembly state

도7은 작업기(버켓) 2단계 조립시의 커플러 잠금상태 정면 사시도7 is a front perspective view of the coupler locked state when assembling the work machine (bucket) in two stages.

도8은 작업기(버켓) 조립상태 커플러와 작업기(버켓)의 배면 사시도8 is a rear perspective view of the work machine (bucket) assembled coupler and the work machine (bucket)

<도면 주요부호의 설명><Description of Major Reference Drawings>

30은 취부장치, 31은 지지봉, 32는 지지판, 33은 걸대, 34는 안내관, 35는 지지관, 36은 조립핀, 37은 걸개, 38은 조립구멍, 40은 개폐장치, 41은 지축, 42는 핸들, 43은 결합돌기, 44,45는 링크, 50은 록커, 51은 록핀, 52는 록홀, 53은 해정레버, 54는 록스프링, 55는 프레임30 is the mounting device, 31 is the support rod, 32 is the support plate, 33 is the holder, 34 is the guide tube, 35 is the support tube, 36 is the assembly pin, 37 is the hook, 38 is the assembly hole, 40 is the opening and closing device, 41 is the shaft, 42 is the handle, 43 is the engaging protrusion, 44 and 45 are the links, 50 is the locker, 51 is the lock pin, 52 is the rock hole, 53 is the lock lever, 54 is the lock spring and 55 is the frame

본 고안 로우더의 기본 구성은 좌우 브라케트(61)에 관절핀(62)과 붐 실린더(63)로 각각 조립된 좌우 붐(60)과; 좌우 제1절 붐(60)의 외단에 관절핀(64)과 링크(65,66)와 작업기 실린더(67)로 조립된 제2절 프레임(68)과; 프레임(68)에 장착되는 작업기 커플러(69)와; 작업기(70)를 구비하고 있다.The basic configuration of the present invention the left and right brackets 61, the left and right booms (60) assembled with a joint pin (62) and the boom cylinder (63), respectively; Section 2 frame (68) assembled at the outer end of the left and right section 1 boom (60) with a joint pin (64), links (65, 66) and a working cylinder (67); A work coupler 69 mounted to the frame 68; The work machine 70 is provided.

본 고안은 상기 로우더 제2절 프레임(68) 상의 커플러(69)에 작업기 취부장치(30)와 개폐장치(40)를 조합하였다. 상기 작업기 취부장치(30)는 좌우 제2절 프레임(68)을 연결하는 저부 지지봉(31)과; 제2절 프레임(68)의 내측판을 연장한 지지판(32)과; 지지판에 부설한 상부 걸대(33)와; 지지판(32)의 내측에 부설하고 조립핀 안내관(34)을 구비하는 지지판(35)과; 지지판(35)의 구멍(34)에 삽입된 조립핀(36)과; 조립핀(36)의 개폐장치(40)와; 걸대(33)에 부합시킨 작업기측 걸개(37)와 지지판(35)의 조립핀(36)에 대응시킨 작업기측 조립구멍(38)으로 구성하였다.The present invention combines the work machine mounting device 30 and the opening and closing device 40 to the coupler 69 on the loader section 2 frame (68). The work machine mounting device 30 includes a bottom support rod 31 for connecting left and right second section frames 68; A support plate 32 extending the inner plate of the second section frame 68; An upper stem 33 attached to the support plate; A support plate 35 attached to the inside of the support plate 32 and having an assembly pin guide tube 34; An assembly pin 36 inserted into the hole 34 of the support plate 35; An opening and closing device 40 of the assembly pin 36; The work machine side fastening hole 38 which corresponded to the hanger 33, and the work machine side assembly hole 38 which corresponded to the assembly pin 36 of the support plate 35 were comprised.

상기 조립핀 개폐장치(40)는 지축(41)으로 지지봉(31)에 지지시킨 핸들(42)과; 핸들(42)을 결합상태로 지지하는 홀더(43)와; 핸들(42)의 지축(41) 전후 등간격 지점을 조립핀(36)에 연결하는 링크(44,45)로 구성하였다.The assembly pin opening and closing device 40 includes a handle 42 supported by the support rod 31 with a support shaft 41; A holder 43 for supporting the handle 42 in an engaged state; It was composed of links (44, 45) for connecting the equidistant points before and after the support shaft 41 of the handle 42 to the assembly pin (36).

상기 조립핀(36)에 록커(50)를 부가하였다. 록커는 안내관(34)상부에 설치하고 안내관을 관통하여 조립핀(36)에 접촉되는 록핀(51)과; 조립핀(36)의 잠금 상태에서 록핀(51)이 삽입되도록 조립핀(36)에 조성한 록홀(52)과; 록핀(51)에 연결된 해정레버(53)와; 록핀을 가압하는 록 스프링(54)과; 록핀과 록 스프링을 지지하는 프레임(55)으로 구성하였다.The locker 50 was added to the assembly pin 36. The locker is installed on the guide tube 34 and the lock pin 51 penetrates the guide tube and contacts the assembly pin 36; A lock hole 52 formed in the assembly pin 36 such that the lock pin 51 is inserted in the locked state of the assembly pin 36; A release lever 53 connected to the lock pin 51; A lock spring 54 for pressing the lock pin; It was composed of a frame 55 supporting the lock pin and the lock spring.

상기와 같이 로우더측 커플러(30)에 작업기(70)가 장착된 상태에서 작업기(70)는 걸대(33)에 걸개(37)가 걸리고 돌조(38a)상의 조립구멍(38)에 개폐장치(40)의 조립핀(36)이 삽입되어 로우더 제1절 붐(60) 외단의 제2절 프레임에 일체화 결합 상태이다. 상기 결합 상태에서 개폐장치(40)의 핸들(42)이 홀더(43)에 결합되어 있어 작업진동으로 조립핀(36)이 조립구멍(38)에서 이탈됨을 방지하므로 안전하게 작업을 할 수 있다. 본 고안 개폐장치(40)에 록커(50)가 부가된 경우 록스프링(54)으로 가압되는 록핀(51)이 록홈(52)에 삽입되어 조립핀(36)의 조립상태를더욱 확고하게 보장하게 되므로 작업 진동에 따른 작업기(70)의 이탈에 의한 안전 사고를 확실하게 방지할 수 있다.In the state where the work machine 70 is mounted on the loader-side coupler 30 as described above, the work machine 70 is fastened to the hanger 37 by the hanger 33, and the opening and closing device 40 is provided in the assembly hole 38 on the protrusion 38a. The assembly pin 36) is inserted into the second section frame at the outer end of the first section boom 60. Since the handle 42 of the opening and closing device 40 is coupled to the holder 43 in the coupled state, the assembly pin 36 is prevented from being separated from the assembly hole 38 due to the vibration of the work, so that the work can be safely performed. When the locker 50 is added to the opening and closing device 40 of the present invention, the lock pin 51 pressurized by the lock spring 54 is inserted into the lock groove 52 so as to ensure the assembling state of the assembly pin 36 more firmly. Therefore, it is possible to reliably prevent the safety accident due to the departure of the work machine 70 due to the work vibration.

본 고안은 제2절 프레임(68)에서 작업기(70)를 간편, 신속, 용이하게 분리할 수 있다. 록커(50)가 설치되지 않은 경우 핸들(42)을 홀더(43)에서 이탈시키고 개방 방향으로 이동시키면 지축(41)을 중심으로 등 간격으로 접속된 링크(44,45)가 안내관(34)에서 조립핀(36)을 내측으로 이동시킨다. 상기 핸들 조작으로 조립핀(36)이 조립구멍(38)에서 빠지면 작업기(70)는 저부 분리상태가 된다. 이 상태에서 로우더의 조작으로 상부 걸개(37)를 걸대(33)에서 이탈시켜 작업기를 커플러(30)에서 분리하는 것이다. 작업기(70)의 조립은 상기 조작의 역순으로 행하며 로우더의 조작으로 걸대(33)에 걸개(37)를 걸고 핸들(42)을 조작으로 조립핀(36)을 조립구멍(38)에 삽입한 후 핸들(42)을 홀더(43)에 결합 시키는 것이다. 상기 개폐기(40)에 록커(50)가 설치된 경우 해정레버(53)를 잡아당겨 록핀(51)을 록홈(52)에서 이탈시킨 후 상기와 같이 핸들 조작으로 작업기(70)의 저부를 커플러(30)에서 분리시킨다. 그러나 작업기(70)을 커플러(30)에 조립 할 때에는 조립핀(36)과 조립구멍(38)의 조립시 록스프링(54)의 압력으로 록핀(51)이 록홀(52)에 자동으로 삽입되는 것이다.The present invention can easily, quickly, easily separate the work machine 70 from the second frame (68). When the locker 50 is not installed, when the handle 42 is removed from the holder 43 and moved in the opening direction, the links 44 and 45 connected at equal intervals about the support shaft 41 are guide tubes 34. Move the assembly pin 36 inward. When the assembly pin 36 is pulled out of the assembly hole 38 by the handle operation, the work machine 70 is in a bottom separated state. In this state, the upper hook 37 is separated from the holder 33 by the operation of the loader to separate the work machine from the coupler 30. The assembly of the work machine 70 is performed in the reverse order of the above operation, after the hook 37 is fastened to the holder 33 by the operation of the loader, and the assembly pin 36 is inserted into the assembly hole 38 by the handle 42. The handle 42 is to be coupled to the holder 43. When the locker 50 is installed in the switchgear 40, the lock pin 51 is pulled out of the lock groove 52 by pulling the unlocking lever 53, and the bottom of the work machine 70 is operated as described above by the coupler 30. ). However, when assembling the work machine 70 to the coupler 30, the lock pin 51 is automatically inserted into the lock hole 52 by the pressure of the lock spring 54 when the assembly pin 36 and the assembly hole 38 are assembled. will be.

상기와 같이 본 고안은 선단 커플러에서 작업기의 교체가 용이하고, 공구의 사용이 없이 커플러상의 연동 레버로 좌우의 조립핀을 동시에 삽입하거나 탈거하여 작업기를 교체할 수 있고, 조립상태에서 조립핀 잠금장치를 포함하는 로우더 커플러장치를 제공하고, 작업기의 교체가 신속하고, 안전하고, 혼자서 쉽게 교체 할 수 있는 로우더 커플러장치를 제공하며, 본 고안 커플러장치는 건설 분야에서 이용 할 수 있는 커플러 장치를 제공하는 것이다.As described above, the present invention makes it easy to replace the work machine in the tip coupler, and it is possible to replace the work machine by simultaneously inserting or removing the left and right assembly pins with the interlocking lever on the coupler without using a tool, and the assembly pin locking device in the assembled state. Provides a loader coupler device comprising a, and the replacement of the work machine provides a loader coupler device that can be replaced quickly, safely and easily by itself, the present coupler device provides a coupler device that can be used in the construction field will be.

Claims (3)

트랙터용 프론트로우더 제2절 프레임과; 제2절 프레임에 장착되는 작업기 커플러와; 작업기를 구비하는것에 있어서, 좌우 제2절 프레임(68)을 연결하는 저부 지지봉(31)과; 제2절 프레임(68)의 내측판을 연장한 지지판(32)과; 지지판에 부설한 상부 걸대(33)와; 지지판(32)의 내측에 부설하고 조립핀 안내관(34)을 구비하는 지지판(35)과; 지지판(35)의 구멍(34)에 삽입된 조립핀(36)과; 조립핀(36)의 개폐장치(40)와; 걸대(33)에 부합시킨 작업기측 걸개(37)와 지지판(35)의 조립핀(36)에 대응시킨 작업기측 조립구멍(38)으로 작업기 개폐장치(30)을 구성함이 특징인 트랙터용 로우더 커플러 장치.A tractor front loader section 2 frame; A second coupler coupler mounted to the frame; A working machine comprising: a bottom support rod (31) connecting the left and right second frame (68); A support plate 32 extending the inner plate of the second section frame 68; An upper stem 33 attached to the support plate; A support plate 35 attached to the inside of the support plate 32 and having an assembly pin guide tube 34; An assembly pin 36 inserted into the hole 34 of the support plate 35; An opening and closing device 40 of the assembly pin 36; A tractor loader characterized in that the work implement opening and closing device 30 is constituted by the work machine side hook 37 corresponding to the hook 33 and the work machine side assembly hole 38 corresponding to the assembly pin 36 of the support plate 35. Coupler device. 제1항의 상기 조립핀 개폐장치(40)는 지축(41)으로 지지봉(31)에 지지시킨 핸들(42)과; 핸들(42)을 결합상태로 지지하는 홀더(43)와; 핸들(42)의 지축(41) 전후 등간격 지점을 조립핀(36)에 연결하는 링크(44,45)로서 구성한 트랙터용 로우더 커플러장치.The assembly pin opening and closing device (40) of claim 1 includes a handle (42) supported by a support bar (31) by a support shaft (41); A holder 43 for supporting the handle 42 in an engaged state; A tractor coupler device for a tractor configured as links (44, 45) for connecting equally spaced points before and after the support shaft (41) of the handle (42) to the assembly pin (36). 제2항에 있어서, 안내관을 관통하여 조립핀(36)에 접촉되는 록핀(51)과; 조립핀(36)의 잠금 상태에서 록핀(51)이 삽입되도록 조립핀(36)에 조성한 록홀(52)과; 록핀(51)에 연결된 해정레버(53)와; 록핀을 가압하는 록 스프링(54)과; 록핀과 록 스프링을 지지하는 프레임(55)을 상기 조립핀 개폐장치(40) 부가한 것이 특징인트랙터용 로우더 커플러장치.3. The lock pin (51) of claim 2, wherein the lock pin (51) penetrates the guide tube and contacts the assembly pin (36); A lock hole 52 formed in the assembly pin 36 such that the lock pin 51 is inserted in the locked state of the assembly pin 36; A release lever 53 connected to the lock pin 51; A lock spring 54 for pressing the lock pin; And a frame (55) for supporting the lock pin and the lock spring, wherein the assembly pin opening and closing device (40) is added.
KR20-2003-0003126U 2003-02-03 2003-02-03 Coupler construction of the front loader for tractor adhere KR200312761Y1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101353539B1 (en) 2012-12-12 2014-01-22 (주)송현 A coupling device for tractor instrument
CN109941768A (en) * 2019-05-07 2019-06-28 江苏悦达黄海拖拉机制造有限公司 The charging hopper of tractor front loader is locked and Quick-disassembling mechanism
JP2019112826A (en) * 2017-12-22 2019-07-11 株式会社クボタ Front loader and working machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101353539B1 (en) 2012-12-12 2014-01-22 (주)송현 A coupling device for tractor instrument
JP2019112826A (en) * 2017-12-22 2019-07-11 株式会社クボタ Front loader and working machine
CN109941768A (en) * 2019-05-07 2019-06-28 江苏悦达黄海拖拉机制造有限公司 The charging hopper of tractor front loader is locked and Quick-disassembling mechanism

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