KR20090118331A - Quick coupler for excavator - Google Patents

Quick coupler for excavator Download PDF

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Publication number
KR20090118331A
KR20090118331A KR1020080044059A KR20080044059A KR20090118331A KR 20090118331 A KR20090118331 A KR 20090118331A KR 1020080044059 A KR1020080044059 A KR 1020080044059A KR 20080044059 A KR20080044059 A KR 20080044059A KR 20090118331 A KR20090118331 A KR 20090118331A
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KR
South Korea
Prior art keywords
movable hook
coupled
quick coupler
excavator
hook
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Application number
KR1020080044059A
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Korean (ko)
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KR100945084B1 (en
Inventor
진 환 박
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강토중공업(주)
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Priority to KR1020080044059A priority Critical patent/KR100945084B1/en
Publication of KR20090118331A publication Critical patent/KR20090118331A/en
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Publication of KR100945084B1 publication Critical patent/KR100945084B1/en

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    • 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
    • E02F3/3645—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with auto-engagement means for automatic snap-on of the tool coupler part
    • 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
    • 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
    • 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
    • E02F3/3686—Devices to connect tools to arms, booms or the like using adapters, i.e. additional element to mount between the coupler and the tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/40—Special vehicles
    • B60Y2200/41—Construction vehicles, e.g. graders, excavators
    • B60Y2200/412—Excavators

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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)
  • Earth Drilling (AREA)

Abstract

PURPOSE: A quick coupler for an excavator is provided to achieve simple and reliable operation by allowing the actuating hook to be operated manually. CONSTITUTION: A quick coupler(30) for an excavator comprises a pair of support plates(31,32) which are installed at a certain interval, and a pair of coupling pins(33,34). The support plates include a fixed hook(35) for coupling or decoupling a tool to the quick coupler, and a movable hook(40) is turned by a specified angle. A boss is coupled to the front side of the movable hook, and a safety pin(37) is inserted to the rear side of the movable hook. The movable hook includes a hinge(41) which is coupled with a hinge pin(36) joined to the support plates. The coupling pins are connected to the upper side of the support plates and to an arm of the excavator.

Description

굴삭기용 퀵커플러{Quick coupler for excavator}Quick Coupler for Excavator

본 발명은 굴삭기용 퀵커플러에 관한 것으로, 더욱 상세하게는 굴삭기 등의 중장비에 브레이크, 크러셔, 버킷 등을 수동식으로 용이하게 결합하고 분리하기 위한 굴삭기용 퀵커플러에 관한 것이다.The present invention relates to a quick coupler for an excavator, and more particularly to an excavator quick coupler for easily coupling and separating the brake, crusher, bucket, etc. manually to heavy equipment such as excavators.

일반적으로 굴삭기 등의 건설, 토목용 중장비에서는 브레이커, 버킷, 크러셔 등의 작업기구를 이용하여 땅을 파거나 땅에서 파낸 흙을 처리하거나 암석 등을 파쇄하는 등의 작업을 행하게 되며, 이들 작업기구들은 작업의 내용에 따라 교체하여 사용하게 된다. In general, in the construction of excavators and heavy equipment for civil engineering, work tools such as breakers, buckets, and crushers are used to dig the ground, treat the soil dug from the ground, or crush rocks. It will be replaced according to the work.

종래에 작업기구를 결합하기 위한 장치는 도 1에 도시한 바와 같이 굴삭기의 암대(10) 선단에 한 쌍의 결합핀(11)(12)으로 커플러(20)가 결합되고, 상기 커플러(20)는 일측에는 고정훅(21)이 구비되고 타측에는 가동훅(22)이 회동 가능케 결합되며, 상기 가동훅(22)은 커플러(20) 내에 장착된 실린더(23)의 작동에 의해 회동되도록 구성된다.Conventionally, a device for coupling a work tool is coupled to the coupler 20 with a pair of coupling pins 11 and 12 at the tip of the arm 10 of the excavator, as shown in Figure 1, the coupler 20 The fixed hook 21 is provided on one side and the movable hook 22 is rotatably coupled to the other side, the movable hook 22 is configured to be rotated by the operation of the cylinder 23 mounted in the coupler 20. .

그리고 상기 고정훅(21) 및 가동훅(22)에는 작업기구(W)의 상측에 형성된 고정핀(24)(25)이 삽입되어 결합이 이루어지도록 한다.And the fixing hook 21 and the movable hook 22 is inserted into the fixing pins 24, 25 formed on the upper side of the working mechanism (W) to be combined.

따라서 암대(10)의 선단에 결합된 커플러(20)를 작업기구(W)의 상측에 근접시키고 고정훅(21)에는 고정핀(24)을 삽입시키고 타측의 가동훅(22)에는 다른 고정핀(25)을 결합시키게 되는데, 상기 가동훅(22)은 실린더(23)의 작동에 의해 개폐작동되어 내부에 고정핀(25)이 결합되는 것이다.Therefore, the coupler 20 coupled to the tip of the arm 10 is close to the upper side of the work tool (W), the fixing pin 24 is inserted into the fixing hook 21 and the other fixing pin to the movable hook 22 on the other side 25 is to be coupled, the movable hook 22 is opened and closed by the operation of the cylinder 23 is to be fixed pin 25 is coupled to the inside.

그러나 이와 같은 종래의 기술은 가동훅을 작동시키는 수단으로 유압의 작용에 의해 작동하는 실린더에 의해 이루어짐으로써 운전석에서 작업기구를 결합하거나 분리할 수 있는 편리함은 있으나 커플러의 내측에 상기 실린더로 유압을 공급하기 위한 유압 라인이 필요하게 됨으로써 장치가 복잡해지고 코스트가 상승되는 등의 문제점들이 내재되어 있었다.However, such a conventional technique is a means for operating the movable hook is made by a cylinder that is operated by the action of hydraulic pressure, but there is a convenience that can be coupled or detached work tools in the driver's seat, but supply the hydraulic pressure to the cylinder inside the coupler The need for a hydraulic line for this has caused problems such as complicated apparatus and increased cost.

본 발명은 상기와 같은 문제점을 해결하기 위해 발명된 것으로, 본 발명의 목적은 구조가 간단하고 조작이 용이하며 작동이 확실하게 이루어지고 제조비를 절감할 수 있는 굴삭기용 퀵커플러를 제공하는데 있다.The present invention has been invented to solve the above problems, an object of the present invention is to provide a quick coupler for excavators that is simple in structure, easy to operate, reliable operation and can reduce the manufacturing cost.

상기한 바와 같은 목적을 달성하기 위한 본 발명에 따른 굴삭기용 퀵커플러는, 굴삭기의 암대에 결합되는 한 쌍의 결합핀이 상측에 구비되고, 하부 일측에는 작업기구의 일측 고정핀이 삽입되는 고정훅이 구비되고 타측에는 탄성부재에 의해 탄성력을 받는 가동훅이 힌지핀으로 회동 가능하게 결합된 굴삭기용 퀵커플러에 있어서, 상기 가동훅은 간격을 두고 설치된 지지판에 결합된 힌지핀에 결합된 힌지부를 포함하고, 상기 가동훅의 배면 측에는 안전핀이 삽입 설치되고, 전면 측에는 상기 가동훅의 전면에 결합된 보스에 로킹판을 관통하여 로킹볼트가 분리 가능하게 체결된 것을 특징으로 한다.Excavator quick coupler according to the present invention for achieving the above object is provided with a pair of coupling pins coupled to the female arm of the excavator on the upper side, a fixed hook is inserted into one side fixed pin of the working mechanism on the lower side In this provided and the other side of the quick coupler coupled to the movable hook that is elastically coupled to the hinge pin by the elastic member, the movable hook includes a hinge portion coupled to the hinge pin coupled to the support plate installed at intervals And, the safety pin is inserted into the back side of the movable hook, the front side is characterized in that the locking bolt is detachably fastened through the locking plate to the boss coupled to the front of the movable hook.

본 발명에 의하면 유압식이 아닌 수동식으로 가동훅을 조작함으로써 구조가 간략화 되어 제조가 용이하고 작동이 확실하게 이루어질 뿐만 아니라 제조비가 저렴하고, 특히 가동훅의 배면 및 전면 측에서 코팅이 이루어짐으로써 임의적으로 가동훅이 분리되지 않는 안전성을 가지게 되는 등의 효과를 가진다.According to the present invention, by operating the movable hook by manual rather than hydraulic type, the structure is simplified, the manufacturing is easy and the operation is made reliably, and the manufacturing cost is low. In particular, the coating is performed on the back and front sides of the movable hook. It has the effect of having the safety that a hook does not separate.

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 더욱 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

도 2 내지 도 5는 본 발명의 일실시예에 의한 굴삭기용 퀵커플러를 도시한 도면으로서, 퀵커플러(30)는 양측에 한 쌍의 지지판(31)(32)이 소정의 간격을 두고 설치되고, 상기 지지판(31)(32)의 상측에는 굴삭기의 암대(10)에 결합되는 한 쌍의 결합핀(33)(34)이 결합되어 있다.2 to 5 is a view showing a quick coupler for an excavator according to an embodiment of the present invention, the quick coupler 30 is provided with a pair of support plates 31, 32 on both sides at predetermined intervals. On the upper side of the support plates 31 and 32, a pair of coupling pins 33 and 34 are coupled to the arm 10 of the excavator.

상기 지지판(31)(32)의 하측에는 작업기구(W)를 퀵커플러(30)로부터 결합 또는 분리하기 위한 고정훅(35)이 일측에 형성되어 있고, 타측에는 소정의 각도로 회동되는 가동훅(40)이 결합되어 있다.On the lower side of the support plates 31 and 32, a fixed hook 35 for engaging or separating the work mechanism W from the quick coupler 30 is formed on one side, and the movable hook rotated at a predetermined angle on the other side. 40 are coupled.

상기 가동훅(40)은 지지판(31)(32)에 결합된 힌지핀(36)에 힌지부(41)가 결합되어 소정의 각도로 회동되며, 상기 힌지부(41)에는 조작봉(42)을 삽입하기 위한 삽입홈(41a)이 형성되어 있다.The movable hook 40 is rotated at a predetermined angle by the hinge portion 41 is coupled to the hinge pin 36 coupled to the support plates 31, 32, the operating rod 42 to the hinge portion 41 Insertion groove 41a for inserting is formed.

상기 가동훅(40)에는 로킹된 상태에서 해제되지 않도록 하는 로킹볼트(43)가 분리 가능하게 체결된다.The locking bolt 43 is detachably fastened to the movable hook 40 so as not to be released in the locked state.

상기 로킹볼트(43)는 가동훅(40)의 내측면에 결합된 보스(44)에 체결되는데, 상기 보스(44)의 일단에는 상기 로킹볼트(43)가 분리 가능하게 체결되고 타단은 가동훅(40)의 내측면에 측방향으로 형성된 핀(45)에 결합된다.The locking bolt 43 is fastened to the boss 44 coupled to the inner surface of the movable hook 40. The locking bolt 43 is detachably fastened to one end of the boss 44, and the other end of the locking hook 43 is movable. It is coupled to the pin 45 formed laterally on the inner side of the (40).

그리고 상기 로킹볼트(43)는 지지판(31)(32)의 일측에 형성된 로킹판(46)에 지지되며, 상기 로킹판(46)에는 상기 로킹볼트(43)가 관통되도록 절개부(46a)가 일측이 개방되는 형태로 형성되어 있다.The locking bolt 43 is supported by a locking plate 46 formed on one side of the support plates 31 and 32, and the cutting plate 46a is formed in the locking plate 46 so that the locking bolt 43 penetrates. One side is formed in an open shape.

상기 지지판(31)(32)에는 가동훅(40)이 로킹된 상태에서 임의적으로 해제되는 것을 방지하기 위한 안전핀(37)이 상기 가동훅(40)의 배면 측에 삽입 설치된다.The support plate 31, 32 is inserted into the back side of the movable hook 40, a safety pin 37 for preventing the movable hook 40 from being released randomly in the locked state.

그리고 상기 지지판(31)(32)의 일측에는 상기 안전핀(37)을 보관하기 위한 안전핀 보관구멍(38)이 형성되어 있다.And one side of the support plate 31, 32 is formed with a safety pin storage hole 38 for storing the safety pin 37.

상기 지지판(31)(32)의 내측에는 상기 가동훅(40)에 탄성력을 가하는 탄성부재(50)가 구비된다.The inner side of the support plate 31, 32 is provided with an elastic member 50 for applying an elastic force to the movable hook (40).

상기 탄성부재(50)는 일단이 지지판(31)(32)의 내측에 고정된 하우징(51) 내에 삽입 고정되고 타단은 상기 가동훅(36)에 힌지축(52)으로 힌지 결합된 안내축(53)의 외측에 삽입되어 있다.One end of the elastic member 50 is inserted into and fixed in the housing 51 fixed to the inside of the support plates 31 and 32, and the other end of the guide shaft hinged to the movable hook 36 by the hinge shaft 52. 53 is inserted outside.

이와 같이 구성된 본 발명에 의한 굴삭기용 퀵커플러는 수동으로 작업기구를 결합하거나 분리하게 되는데, 이는 도 5에 도시한 바와 같이 굴삭기의 암대(10) 선단에 퀵커플러(30)가 결합핀(33)(34)으로 결합된 상태에서 작업기구(W)를 결합한다.Excavator quick coupler according to the present invention configured as described above is to manually combine or separate the working mechanism, which is a quick coupler 30 to the tip of the female arm 10 of the excavator as shown in Figure 5 coupling pin 33 Couple the work tool (W) in the coupled state (34).

즉, 작업기구(W) 상측의 일측 고정핀(24)을 퀵커플러(30)의 고정훅(35) 내에 삽입하고 타측의 고정핀(25)은 가동훅(40)의 내측에 위치시키게 되는데, 이때 상기 가동훅(40)을 조작하는 것은 도 3에서와 같이 조작봉(42)의 선단을 힌지부(41)의 삽입홈(41a) 내에 삽입한 상태에서 상기 조작봉(42)을 하측으로 누르면 도 5에 도시한 바와 같이 가동훅(40)이 힌지핀(36)을 중심으로 반시계 방향으로 회동된다.That is, one fixing pin 24 on the upper side of the work tool W is inserted into the fixing hook 35 of the quick coupler 30 and the other fixing pin 25 is positioned inside the movable hook 40. At this time, the operation of the movable hook 40, as shown in Figure 3 when pressing the operating rod 42 in the state in which the front end of the operating rod 42 is inserted into the insertion groove (41a) of the hinge portion 41 As shown in FIG. 5, the movable hook 40 is rotated counterclockwise around the hinge pin 36.

이에 따라 상기 가동훅(40)에 힌지축(52)으로 결합된 안내축(53) 및 이 안내축(53)의 외측에 삽입된 탄성부재(50)가 압축되면서 가동훅(40)이 개방되고, 개방된 상기 가동훅(40)의 내측에 고정핀(25)을 위치시킨 상태에서 조작봉(42)에 가하던 힘을 해제하면 탄성부재(50)의 탄성력에 의해 상기 가동훅(40)이 회동되면서 고정핀(25)에 밀접하게 압착된 상태가 된다.Accordingly, the movable hook 40 is opened while the guide shaft 53 coupled to the movable hook 40 by the hinge shaft 52 and the elastic member 50 inserted into the outside of the guide shaft 53 are compressed. When releasing the force applied to the operating rod 42 while the fixing pin 25 is positioned inside the movable hook 40 opened, the movable hook 40 is moved by the elastic force of the elastic member 50. As it is rotated, the fixed pin 25 is pressed closely.

이때에는 보스(44) 및 로킹볼트(43)는 분리된 상태에서 작업이 이루어지게 된다.At this time, the boss 44 and the locking bolt 43 is made in a separated state.

이렇게 상기 고정훅(35) 및 가동훅(40) 내에 고정핀(24)(25)이 삽입된 상태에서 안전핀(37)을 가동훅(40)의 배면 측에 결합하고 전면 측에는 로킹볼트(43)를 결합한다.In this way, while the fixing pins 24 and 25 are inserted into the fixing hook 35 and the movable hook 40, the safety pin 37 is coupled to the rear side of the movable hook 40 and the locking bolt 43 is provided on the front side. To combine.

즉, 상기 가동훅(40)의 내측에 고정핀(25)가 삽입된 상태에서 핀(45)의 양 측에 보스(44)를 결합하고, 상기 보스(44)에는 로킹볼트(43)를 체결하는데, 이때 상기 로킹볼트(43)는 머리부가 로킹판(46)의 절개부(46a)를 관통하여 보스(44)에 체결함으로써 상기 가동훅(40)은 배면 측에는 안전핀(37)이 결합되고 전면 측에는 로킹볼트(43)가 체결됨으로써 로킹 상태가 견고하게 유지되는 것이다.That is, the boss 44 is coupled to both sides of the pin 45 in a state in which the fixing pin 25 is inserted into the movable hook 40, and the locking bolt 43 is fastened to the boss 44. In this case, the locking bolt 43 is fastened to the boss 44 by the head portion penetrates through the cutout portion 46a of the locking plate 46, the safety hook 37 is coupled to the rear side of the movable hook 40 and the front surface thereof. The locking bolt 43 is fastened to the side so that the locked state is firmly maintained.

한편 도 6 및 도 7은 본 발명의 다른 실시예를 도시한 도면으로서, 도 6은 본 발명에 의한 굴삭기용 퀵커플러의 일부 절개 사시도이고, 도 7은 작동 상태를 도시한 단면도로서, 일 실시예와 동일한 구성은 동일 부호를 병기하며, 그에 대한 상세한 설명은 생략한다.6 and 7 are views showing another embodiment of the present invention, Figure 6 is a partial cutaway perspective view of the excavator quick coupler according to the present invention, Figure 7 is a cross-sectional view showing an operating state, one embodiment The same configuration as in the same reference numerals, and detailed description thereof will be omitted.

일 실시예에서 조작봉(42)을 가동훅(40)의 힌지부(41)에 형성된 삽입홈(41a) 내에 삽입하여 상기 가동훅(40)을 조작하도록 하고 있으나 본 실시예에서는 힌지부(41)의 전방에 상기 조작봉(42)의 선단에 삽입되도록 안내홈(41b)을 형성하고, 이 안내홈(41b)의 전방에는 걸림돌기(47)를 형성하고 있다.In one embodiment, the operating rod 42 is inserted into the insertion groove 41a formed in the hinge portion 41 of the movable hook 40 to operate the movable hook 40. However, in the present embodiment, the hinge 41 A guide groove 41b is formed in front of the guide rod 41 so as to be inserted into the tip of the operating rod 42, and a locking protrusion 47 is formed in front of the guide groove 41b.

그리고 로킹볼트(43)가 관통되는 로킹판(46)의 상측에는 조작봉(42)을 지지하기 위한 한 쌍의 지지부재(48)(49)가 소정의 간격을 두고 결합되어 있다.And the upper side of the locking plate 46, through which the locking bolt 43 passes, a pair of support members 48 and 49 for supporting the operating rod 42 are coupled at predetermined intervals.

상기 지지부재(48)(49)는 단면이 원형인 축이나 로울러 또는 베어링으로 형 성됨이 바람직하다.The support members 48 and 49 are preferably formed of a shaft, roller or bearing having a circular cross section.

본 실시예는 퀵커플러(30)는 1톤이나 2톤 등의 중량이 비교적 작은 것에 적용하는 것이 바람직하다.In this embodiment, the quick coupler 30 is preferably applied to a relatively small weight such as 1 ton or 2 tons.

따라서 본 실시예에서는 가동훅(40)을 조작하여 작업기구(W)를 장착할 때에는 조작봉(42)을 지지부재(48)(49)의 사이에 삽입하여 상기 조작봉(42)의 선단이 안내홈(41b) 내에 삽입된 상태에서 조작봉(42)의 선단을 시계방향으로 회전되도록 상측으로 조작하면 도 7에 도시한 바와 같이 상기 조작봉(42)의 선단이 걸림돌기(47)를 누르게 됨으로써 가동훅(40)이 반 시계방향으로 회동하면서 탄성부재(50)를 압축시키게 되는 것이다.Therefore, in the present embodiment, when mounting the work tool W by operating the movable hook 40, the operation rod 42 is inserted between the support members 48 and 49 so that the tip of the operation rod 42 is inserted. When the front end of the operating rod 42 is rotated clockwise in the state inserted into the guide groove 41b, the front end of the operating rod 42 presses the locking protrusion 47 as shown in FIG. As a result, the movable hook 40 is rotated counterclockwise to compress the elastic member 50.

이때 상기 작업기구(W)의 고정핀(24)이 고정훅(35) 내에 삽입된 상태에서 상기 가동훅(40)의 내측으로 고정핀(25)을 삽입하고 조작봉(42)에 가하던 힘을 해제하면 탄성부재(50)의 탄성력에 의해 가동훅(40)은 힌지핀(36)을 중심으로 원위치로 복귀하게 된다. At this time, while the fixing pin 24 of the work tool W is inserted into the fixing hook 35, the fixing pin 25 is inserted into the movable hook 40 and applied to the operating rod 42. By releasing the movable hook 40 by the elastic force of the elastic member 50 is returned to the original position around the hinge pin (36).

이어서 상기 가동훅(40)이 고정핀(25)을 로킹한 상태에서 배면 측에 안전핀(37)을 삽입하고 전면 측에는 로킹볼트(43)를 체결하게 되는데, 이때 상기 로킹볼트(43)는 핀(45)의 양측에 결합된 보스(44)에 체결하여 고정핀(25)의 로킹 상태가 유지되도록 함으로써 작업 전, 후나 작업 중에 충격력 등에 의한 외부 하중에 의해 작업기구(W)의 결합 상태가 임의적으로 해제되는 것을 방지하게 된다.Subsequently, when the movable hook 40 locks the fixing pin 25, the safety pin 37 is inserted into the rear side and the locking bolt 43 is fastened to the front side, wherein the locking bolt 43 is a pin ( The locking state of the fixing pin 25 is maintained by fastening to the boss 44 coupled to both sides of the 45, so that the engagement state of the work tool W may be arbitrarily changed by external loads such as impact force before, after or during operation. To prevent it from being released.

그리고 퀵커플러(30)에 결합된 작업기구(W)를 해제할 경우에는 장착시와는 반대의 순서로 행하게 되는데, 먼저 가동훅(40)의 전면 측에 체결된 로킹볼트(43) 를 보스(44)로부터 분리하고 배면 측의 안전핀(37)을 분리하면 상기 가동훅(40)은 작동 가능한 상태가 되며, 이때 조작봉(42)을 이용하여 가동훅(40)을 조작하면 고정핀(25)을 퀵커플러(30)로부터 분리하는 것이 가능하게 된다.And when releasing the work tool (W) coupled to the quick coupler (30) is carried out in the reverse order of the mounting, first, the locking bolt 43 fastened to the front side of the movable hook (40) boss ( 44) and remove the safety pin 37 on the rear side, the movable hook 40 is in an operable state. At this time, when operating the movable hook 40 using the operating rod 42, the fixing pin 25 It is possible to separate from the quick coupler (30).

상기와 같은 본 발명은 상술한 특정의 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능할 것이다.The present invention as described above is not limited to the above-described specific embodiments, and any person having ordinary skill in the art to which the present invention pertains may make various changes without departing from the gist of the present invention as claimed in the claims. will be.

본 발명은 굴삭기 등의 건설, 토목기계에 작업의 종류 등에 따라 각각 다른 기능을 하는 작업기구를 장착하거나 분리하도록 하는 어떤 장치에도 적용하는 것이 가능할 것이다. The present invention will be applicable to any device for mounting or separating work tools having different functions depending on the type of work, such as construction of excavators, civil machines.

도 1은 종래의 굴삭기용 퀵커플러를 도시한 도면이다.1 is a view showing a conventional quick coupler for excavators.

도 2 내지 도 5는 본 발명의 일 실시예에 의한 굴삭기용 퀵커플러를 도시한 도면으로서,2 to 5 is a view showing a quick coupler for an excavator according to an embodiment of the present invention,

도 2는 본 발명에 의한 굴삭기용 퀵커플러의 사시도이고,2 is a perspective view of a quick coupler for excavators according to the present invention;

도 3은 본 발명에 의한 굴삭기용 퀵커플러의 전체 단면도이고,3 is an overall cross-sectional view of the quick coupler for excavators according to the present invention,

도 4는 본 발명에 의한 굴삭기용 퀵커플러의 일부 절개 사시도이고,4 is a partially cutaway perspective view of an excavator quick coupler according to the present invention;

도 5는 본 발명에 의한 굴삭기용 퀵커플러의 작동 상태를 도시한 단면도이다.5 is a cross-sectional view showing an operating state of the quick coupler for excavators according to the present invention.

도 6 및 도 7은 본 발명의 다른 실시예에 의한 굴삭기용 퀵커플러를 도시한 도면으로서,6 and 7 is a view showing a quick coupler for excavators according to another embodiment of the present invention,

도 6은 본 발명에 의한 굴삭기용 퀵커플러의 일부 절개 사시도이고,6 is a partially cutaway perspective view of an excavator quick coupler according to the present invention;

도 7은 본 발명에 의한 굴삭기용 퀵커플러의 작동 상태를 도시한 전체 단면도이다.7 is an overall cross-sectional view showing an operating state of the quick coupler for excavators according to the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10: 암대 24,25: 고정핀10: arm 24, 25: holding pin

30: 퀵커플러 31,32: 지지판30: quick coupler 31, 32: support plate

33,34: 결합핀 35: 고정훅33,34: coupling pin 35: fixed hook

36: 힌지핀 37: 안전핀36: hinge pin 37: safety pin

40: 가동훅 41: 힌지부40: movable hook 41: hinge part

41a: 삽입홈 41b: 안내홈41a: insertion groove 41b: guide groove

42: 조작봉 43: 로킹볼트42: operating rod 43: locking bolt

44: 보스 45: 핀44: boss 45: pin

46: 로킹판 47: 걸림돌기46: locking plate 47: locking projection

48,49: 지지부재 50: 탄성부재48, 49: support member 50: elastic member

51: 하우징 52: 힌지축51: housing 52: hinge shaft

W: 작업기구W: Work Tool

Claims (3)

굴삭기의 암대에 결합되는 한 쌍의 결합핀이 상측에 구비되고, 하부 일측에는 작업기구의 일측 고정핀이 삽입되는 고정훅이 구비되고 타측에는 탄성부재에 의해 탄성력을 받는 가동훅이 힌지핀으로 회동 가능하게 결합된 굴삭기용 퀵커플러에 있어서,A pair of coupling pins coupled to the female arm of the excavator is provided on the upper side, and the lower one side is provided with a fixing hook into which the fixing pin of one side of the working tool is inserted, and the other side of the movable hook receiving the elastic force by the elastic member is rotated by the hinge pin. In the coupled quick coupler for excavator, 상기 가동훅(40)은 간격을 두고 설치된 지지판(31)(32)에 결합된 힌지핀(36)에 결합된 힌지부(41)를 포함하고,The movable hook 40 includes a hinge portion 41 coupled to a hinge pin 36 coupled to the support plates 31 and 32 spaced apart from each other. 상기 가동훅(40)의 배면 측에는 안전핀(37)이 삽입 설치되고, 전면 측에는 상기 가동훅(40)의 전면에 결합된 보스(44)에 로킹판(46)을 관통하여 로킹볼트(43)가 분리 가능하게 체결된 것을 특징으로 하는 굴삭기용 퀵커플러. The safety pin 37 is inserted into the rear side of the movable hook 40, and the locking bolt 43 penetrates the locking plate 46 through the boss 44 coupled to the front of the movable hook 40. Quick coupler for excavators, characterized in that detachably fastened. 제 1 항에 있어서,The method of claim 1, 상기 힌지부(41)에는 조작봉(42)을 삽입하기 위한 삽입홈(41a)이 형성된 것을 특징으로 하는 굴삭기용 퀵커플러.The hinge portion 41 is an excavator quick coupler, characterized in that the insertion groove 41a for inserting the operation rod 42 is formed. 제 1 항에 있어서,The method of claim 1, 상기 힌지부(41)에는 조작봉(42)이 삽입되는 안내홈(41b) 및 걸림돌기(47)를 형성하고, 그 외측 입구측에는 상기 조작봉(42)을 지지하기 위한 지지부재(48)(49)가 구비된 것을 특징으로 하는 굴삭기용 퀵커플러. The hinge portion 41 is provided with a guide groove 41b into which the operating rod 42 is inserted and a locking protrusion 47, and a support member 48 for supporting the operating rod 42 at the outer inlet side thereof. Quick coupler for excavator, characterized in that 49) is provided.
KR1020080044059A 2008-05-13 2008-05-13 Quick coupler for excavator KR100945084B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102037474B1 (en) 2018-07-23 2019-10-28 이해선 Quick Coupler having safety device
KR20210030757A (en) 2019-09-10 2021-03-18 이해선 Quick Coupler having safety device
CN112900517A (en) * 2021-01-27 2021-06-04 三一重机有限公司 Adjustable excavator connector and excavator
KR20210069486A (en) 2019-12-03 2021-06-11 이해선 Quick Coupler having safety device
KR102451793B1 (en) 2022-07-19 2022-10-11 주식회사 세안정기 Safety device for quick coupler

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Publication number Priority date Publication date Assignee Title
KR20200075679A (en) 2018-12-18 2020-06-26 주식회사 경원테크 Rotatign type quick coupler for excavator
KR102323064B1 (en) 2019-11-07 2021-11-09 주식회사 브랜드뉴 Quick coupler with commonality for excavator
KR102629729B1 (en) 2023-09-14 2024-01-29 양계환 Rotating structure of excavator attachment

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Publication number Priority date Publication date Assignee Title
JPH11336113A (en) 1998-05-25 1999-12-07 Sumitomo Constr Mach Co Ltd End attachment mounting device for construction machine
JP2000230243A (en) 1999-02-10 2000-08-22 Marujun Juko Kk Quick coupler

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102037474B1 (en) 2018-07-23 2019-10-28 이해선 Quick Coupler having safety device
KR20210030757A (en) 2019-09-10 2021-03-18 이해선 Quick Coupler having safety device
KR20210069486A (en) 2019-12-03 2021-06-11 이해선 Quick Coupler having safety device
CN112900517A (en) * 2021-01-27 2021-06-04 三一重机有限公司 Adjustable excavator connector and excavator
CN112900517B (en) * 2021-01-27 2022-06-07 三一重机有限公司 Adjustable excavator connector and excavator
KR102451793B1 (en) 2022-07-19 2022-10-11 주식회사 세안정기 Safety device for quick coupler

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