KR100792178B1 - Safety construction for excavator - Google Patents

Safety construction for excavator Download PDF

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Publication number
KR100792178B1
KR100792178B1 KR1020060064533A KR20060064533A KR100792178B1 KR 100792178 B1 KR100792178 B1 KR 100792178B1 KR 1020060064533 A KR1020060064533 A KR 1020060064533A KR 20060064533 A KR20060064533 A KR 20060064533A KR 100792178 B1 KR100792178 B1 KR 100792178B1
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KR
South Korea
Prior art keywords
support
cylinder
excavator
hook
bucket
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KR1020060064533A
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Korean (ko)
Inventor
최창길
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최창길
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Priority to KR1020060064533A priority Critical patent/KR100792178B1/en
Priority to CNA2007101090518A priority patent/CN101105038A/en
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Publication of KR100792178B1 publication Critical patent/KR100792178B1/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
    • 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
    • E02F3/3618—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with two separating hooks
    • 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
    • E02F3/3631—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 transversal locking element
    • 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
    • E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/24—Safety devices, e.g. for preventing overload

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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)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

A safety device for a clamp of an excavator is provided to prevent the accident caused by malfunction of a hydraulic device or a cylinder by installing first and second supports to a cylinder and a moving hook and placing a third support between a first support and a second support by the expansion of a cylinder rod, thereby cutting off the backward motion of a cylinder rod. A safety device for a clamp of an excavator comprises a first support(20) installed to the front of a cylinder body, a second support(30) confronting the first support and installed to one side of a moving hook connected to a cylinder rod, and a support device(40) moving a third support(44) forward and backward between the first support and the second support expanded by the cylinder rod according to the movement of a solenoid and guiding the locking or unlocking of the moving hook.

Description

굴삭기 클램프용 안전장치{SAFETY CONSTRUCTION FOR EXCAVATOR}Safety device for excavator clamp {SAFETY CONSTRUCTION FOR EXCAVATOR}

도 1은 종래의 굴삭기 클램프를 보인 사시도, 1 is a perspective view showing a conventional excavator clamp,

도 2는 종래의 굴삭기 클램프를 보인 단면도, Figure 2 is a cross-sectional view showing a conventional excavator clamp,

도 3은 본 발명에 따른 분해사시도, 3 is an exploded perspective view according to the present invention;

도 4은 본 발명에 따른 측단면도, 4 is a side cross-sectional view according to the present invention;

도 5는 본 발명에 따른 지지수단을 보인 단면도, 5 is a sectional view showing a supporting means according to the present invention;

도 6,7는 본 발명에 따른 동작상태를 보인 단면도이다.6 and 7 are cross-sectional views showing an operating state according to the present invention.

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

10: 바디 11: 회동후크10: Body 11: Rotating Hook

12: 고정후크 13: 제1힌지축12: fixed hook 13: first hinge shaft

14: 제2힌지축 15: 버켓14: 2nd hinge axis 15: bucket

16: 고정핀 20: 제1지지부16: fixing pin 20: first support

30: 제2지지부 40: 지지수단30: second support portion 40: support means

44: 제3지지부44: third support

본 발명은 굴삭기 클램프용 안전장치에 관한 것으로, 더 상세히는 굴삭기 클램프에서 버켓이 작업중에 분리되는 미연에 방지하여 안전사고를 예방하기 위한 굴삭기 클램프용 안전장치에 관한 것이다.The present invention relates to a safety device for an excavator clamp, and more particularly to a safety device for an excavator clamp to prevent a safety accident by preventing the bucket from being separated during operation in the excavator clamp.

일반적으로, 굴삭기는 관절운동이 가능하게 구비된 붐,암, 버켓이 각각 실린더에 의해 움직일 수 있게 구성되어 있고, 각각의 실린더에는 유압라인을 통해 유압장치(미도시)로부터 유압력이 공급되도록 구성되어 있다.In general, an excavator is configured such that the boom, arm, and bucket are provided to allow the joint movement to be moved by the cylinder, respectively, each cylinder is configured to be supplied with hydraulic power from the hydraulic device (not shown) through the hydraulic line It is.

그리고 상기 버켓은 굴삭기 클램프에 의해 상기 암과 버켓실린더와 힌지결합됨으로써, 암 단부로부터 버켓이 관절운동될 수 있는 것이다.The bucket is hinged to the arm and the bucket cylinder by an excavator clamp, so that the bucket can be articulated from the arm end.

도 1,2에 도시된 바와 같이, 종래의 굴삭기 클램프는 굴삭기 암과 버켓실린더에 장착되는 바디(1)와, 상기 바디(1)의 일측에 장착되어 상기 버켓(7)의 일측 고정핀(8)에 결합되는 고정후크(2)와, 상기 바디(1)의 타측에 제1힌지축(3)을 중심으로 회동가능하게 결합되며 상기 버켓(7)의 타측 고정핀(8)에 배치되는 회동후크(4)와, 상기 바디(1)에 설치되며, 그 실린더로드에 의해 제2힌지축(5)을 중심으로 회동후크(4)를 회동시켜 상기 버켓(7)의 타측 고정핀(8)을 고정하는 실린더(6)로 구성된다.As shown in Figures 1 and 2, the conventional excavator clamp is a body (1) mounted on the excavator arm and the bucket cylinder, and a fixed pin (8) of one side of the bucket (7) is mounted on one side of the body (1) Fixed hook (2) coupled to the rotation, and rotatably coupled to the other side of the body (1) around the first hinge shaft (3) and disposed on the other fixing pin (8) of the bucket (7) The hook 4 and the body 1 are installed on the other side of the bucket 7 by rotating the pivoting hook 4 about the second hinge shaft 5 by the cylinder rod. It consists of a cylinder 6 for fixing it.

그러나 종래의 굴삭기 클램프는 사용중에 유압장치 및 실린더의 고장에 의해 상기 회동후크(4)의 가압력이 임의로 해제되어 상기 버켓(7)을 고정할 수 없기 때문에, 작업중에 버켓(7)이 추락하여 안전사고가 발생되는 등의 문제점이 있었다.However, in the conventional excavator clamp, since the pressing force of the pivoting hook 4 is arbitrarily released due to the failure of the hydraulic device and the cylinder during use, the bucket 7 cannot be fixed, so that the bucket 7 falls down during the operation. There was a problem such as an accident.

상기의 문제점을 해결하기 위한 본 발명은 회동후크에 압력을 가하는 실린더에 안전장치를 설치하여 유압장치나 실린더의 고장에 따라 발생될 수 있는 안전사고를 미연에 방지하기 위한 굴삭기 클램프용 안전장치를 제공할 목적이 있다.The present invention for solving the above problems provides a safety device for the excavator clamp to prevent the safety accident that may occur due to the failure of the hydraulic device or the cylinder by installing a safety device on the cylinder to apply pressure to the rotating hook. There is a purpose.

상기 목적을 달성하기 위한 본 발명은 굴삭기아암의 선단부와 버켓실린더에 장착되는 바디와; 상기 바디의 하부에는 버켓의 양측 고정핀에 끼워지는 고정후크 및 회동후크와; 상기 바디 및 회동후크에 설치되며, 실린더로드의 신축에 따라 상기 회동후크를 회동시켜 굴삭기 버켓의 고정핀을 고정하는 실린더로 이루어진 굴삭기 클램프에 있어서, 상기 실린더의 전면에 설치되는 제1지지부와, 상기 제1지지부에 마주보며, 상기 회동후크의 측에 설치되는 제2지지부와, 상기 바디의 내측에 설치되며, 상기 실린더로드에 의해 신축된 상기 제1,2지지부 사이로 제3지지부를 전후진가능하게 스프링과 솔레노이드가 설치되어 상기 회동후크의 잠금/해제를 유도하는 지지수단으로 구성된다.The present invention for achieving the above object is a body mounted to the tip and the bucket cylinder of the excavator arm; A fixing hook and a rotation hook fitted to both fixing pins of the bucket under the body; An excavator clamp installed on the body and the rotating hook and configured to rotate the rotating hook according to expansion and contraction of the cylinder rod to fix the fixing pin of the excavator bucket, the first supporting part being installed on the front of the cylinder; Facing the first support portion, the second support portion provided on the side of the pivot hook, and the inner side of the body, the third support portion between the first and the second support portion stretched by the cylinder rod so as to move forward and backward The spring and the solenoid is installed is composed of a support means for inducing the locking / unlocking of the pivoting hook.

이하, 본 발명에 따른 바람직한 실시예를 첨부도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명에 따른 분해사시도이고, 도 4은 본 발명에 따른 측단면도이며, 도 5는 본 발명에 따른 지지수단을 보인 단면도이고, 도 6,7는 본 발명에 따른 동작상태를 보인 단면도이다.Figure 3 is an exploded perspective view according to the present invention, Figure 4 is a side cross-sectional view according to the present invention, Figure 5 is a sectional view showing a support means according to the present invention, Figure 6,7 is a sectional view showing an operating state according to the present invention to be.

도 3내지 도 7에 도시된 바와 같이, 본 발명은 굴삭기 클램프(100)는 굴삭기 암과 버켓실린더에 장착되는 바디(10)와, 상기 바디(10)의 일측에 장착되어 상기 버켓(15)의 일측 고정핀(16)에 결합되는 고정후크(12)와, 상기 바디(10)의 타측에 제1힌지축(13)을 중심으로 회동가능하게 결합되며 상기 버켓(15)의 타측 고정핀(16)에 배치되는 회동후크(11)와, 상기 바디(10) 및 회동후크(11)에 설치되며, 그 실린더로드(19)에 의해 제2힌지축(14)을 중심으로 상기 회동후크(11)를 회동시켜 상기 버켓(15)의 타측 고정핀(16)을 고정하는 실린더(17)에 있어서, 상기 실린더 몸체(18)의 전면에 설치되는 제1지지부(20)와, 상기 제1지지부(20)에 마주보며, 상기 실린더로드(19)에 연결되는 회동후크(11)의 일측에 설치되는 제2지지부(30)와, 상기 실린더로드(19)에 의해 신축된 상기 제1,2지지부(20,30) 사이로 전원을 인가받아 솔레노이드(42)의 동작에 의해 제3지지부(44)를 전후진되어 상기 회동후크(11)의 잠금/해제를 유도하는 지지수단(40)으로 구성된다.As shown in Figure 3 to 7, the present invention, the excavator clamp 100 is mounted on the excavator arm and the bucket cylinder 10, and one side of the body 10 is mounted to the bucket 15 A fixing hook 12 coupled to one side fixing pin 16 and the other side of the bucket 15 are rotatably coupled around the first hinge shaft 13 to the other side of the body 10. Is installed on the pivoting hook 11 and the body 10 and the pivoting hook 11, and the pivoting hook 11 is centered on the second hinge shaft 14 by the cylinder rod 19. In the cylinder 17 for fixing the other fixing pin 16 of the bucket 15 by rotating the first support portion 20 is installed on the front of the cylinder body 18, and the first support portion 20 2) the second support portion 30 which is installed on one side of the rotating hook 11 connected to the cylinder rod 19, and the first and second support portions 20 stretched by the cylinder rod 19 , It is composed of a support means 40 to guide the lock / release of the pivoting hook 11 by moving the third support portion 44 back and forth by the operation of the solenoid 42 by receiving power.

상기 제1지지부(20)는 실린더 몸체(18)의 전면 및 실린더로드(19)가 전후진가능하게 설치되며, 대략 반구형상으로 이루어지며, 상부에서 배면측으로 연장되는 가이드판(21)이 형성되고, 상부에 상향돌출된 스톱퍼(22)로 이루어진다.The first support portion 20 is installed so that the front and the cylinder rod 19 of the cylinder body 18 can be moved forward and backward, made in a substantially hemispherical shape, the guide plate 21 is formed extending from the top to the back side, , The stopper 22 protrudes upward.

상기 제2지지부(30)의 일측면은 수직되게 형성되고, 타측면은 타원형상으로 형성된다.One side of the second support 30 is formed to be vertical, the other side is formed in an elliptical shape.

상기 지지수단(40)은 바디(10)의 내측에 설치되는 보빈(41)과, 이 보빈(41)의 내주면에 배치되는 솔레노이드(42)와, 상기 솔레노이드(42) 사이에 전후진가능하게 배치되는 플런저(43)와, 상기 플런저(43)의 단부에 결합되는 제3지지부(44)와, 상기 보빈(41)과 제3지지부(44) 사이에 탄성지지되게 설치되는 스프링(45)과, 전원을 인가받아 솔레노이드(42)의 동작을 유도하는 버튼(46)과, 상기 제3지지부(44)의 배면에 설치되는 덮개(47)로 이루어진다.The support means 40 is arranged between the bobbin 41 installed inside the body 10, the solenoid 42 disposed on the inner circumferential surface of the bobbin 41, and the solenoid 42 so as to be moved forward and backward. A plunger 43, a third support 44 coupled to an end of the plunger 43, a spring 45 installed elastically between the bobbin 41 and the third support 44; A button 46 is configured to induce the operation of the solenoid 42 by receiving power, and a cover 47 installed on the rear surface of the third support 44.

상기 솔레노이드(42)는 통상적인 구조로 이루어지며, AC/DC 전류를 인가받아 상기 플런저(43)를 선택적으로 전후진시키는 것이다.The solenoid 42 has a conventional structure and selectively moves back and forth the plunger 43 by receiving an AC / DC current.

상기 제3지지부(44)는 플러저(43)의 선단부에 결합되며, 단면이 반구형상으로 이루어진다.
한편, 상기 제1,3지지부(20,44)는 실린더로드(19)의 외경과 크게 구비되는 것이 바람직하며, 그리고 상기 제1,2,3지지부(20,30,44)은 반구원이나 타원이 서로 동일한 반경을 갖는다.The third support portion 44 is coupled to the distal end of the plunger 43, and has a hemispherical cross section.
On the other hand, it is preferable that the first and third support portions 20 and 44 are largely provided with the outer diameter of the cylinder rod 19, and the first and second support portions 20, 30 and 44 are semispherical or elliptical. These have the same radius as each other.

삭제delete

상기 덮개(47)는 제3지지부(44)의 후방으로 연장되며, 상기 보빈(41)의 상부면을 따라 전후진되면서 상기 플런저(43)와 스프링(45)에 먼지나 이물질 등이 안착되는 것을 방지하는 것이다.
상기에서 보는 바와 같이, 본 발명은 굴삭기 클램프용 안전장치의 작용을 설명하면, 먼저 버켓(15)의 일측 고정핀(16)을 고정후크(12)에 삽입하고, 상기 버켓(15)의 타측 고정핀(16)을 상기 회동후크(11)측에 배치한 후, 클램프 실린더(17)를 동작시키면 상기 실린더로드(19)가 일정거리 전진되면서 상기 제2힌지축(14)을 중심으로 회동후크(11)가 회동하여 상기 버켓(15)의 타측 고정핀(16)을 고정하게 되는 것이다.The cover 47 extends to the rear of the third support 44, and is moved forward and rearward along the upper surface of the bobbin 41 to allow dust or foreign matter to be seated on the plunger 43 and the spring 45. To prevent.
As described above, the present invention describes the operation of the safety device for the excavator clamp, first inserting one side fixing pin 16 of the bucket 15 into the fixing hook 12, and fixing the other side of the bucket 15 After the pin 16 is disposed on the pivot hook 11 side and the clamp cylinder 17 is operated, the cylinder rod 19 is advanced by a predetermined distance and the pivot hook 14 is rotated about the second hinge shaft 14. 11) is to rotate the other fixing pin 16 of the bucket (15).

삭제delete

이와 동시에 상기 실린더로드(19)의 신축에 의해 상기 회동후크(11)가 회동됨에 따라 상기 제2지지부(30)가 회동되어져 상기 제1지지부(20)와 서로 마주보면서 일정간격을 두고 벌어지게 된다.At the same time, as the pivoting hook 11 is rotated by the expansion and contraction of the cylinder rod 19, the second support part 30 is rotated so as to face the first support part 20 to be spaced apart at a predetermined interval. .

이렇게 상기 클램프(100)에 버켓(15)이 고정된 상태에서, 운전자가 운전석에 앉은 상태에서 상기 버튼(46)을 누르면, 상기 솔레노이드(42)에 의해 후진된 상태의 플런저(43)가 상기 보빈(41)과 제3지지부(44) 사이에 탄성지지된 스프링(45)에 의해 전진되는데, 이때 상기 플런저(43)의 전면에 결합된 상기 제3지지부(44)는 제1지지부(20)의 가이드판(21)을 따라 슬라이딩되면서 상기 스톱퍼(22)에 걸려져 정지되어 상기 제1,2지지부(20,30) 사이에 배치되는 것이다.Thus, when the bucket 15 is fixed to the clamp 100 and the driver presses the button 46 while sitting in the driver's seat, the plunger 43 in a state of being retracted by the solenoid 42 is moved to the bobbin. The spring 45 is elastically supported between the 41 and the third support 44, wherein the third support 44 coupled to the front surface of the plunger 43 is formed of the first support 20. Sliding along the guide plate 21 is caught between the stopper 22 and stopped to be disposed between the first and second support portions 20 and 30.

그리고, 상기 실린더로드(19)의 신축에 따라 상기 제1,2지지부(20,30)가 벌어진 상태에서 일정한 시간이 지나면 상기 버튼(46)의 동작하지 않아도 상기 솔레노이드(42)의 전원을 차단하여 자동적으로 상기 스프링(45)에 의해 플런저(43)가 전진되는 구조로 구비될 수 있는 것이다.Then, after a predetermined time passes in the state where the first and second support parts 20 and 30 are opened according to the expansion and contraction of the cylinder rod 19, the power of the solenoid 42 is cut off even if the button 46 is not operated. It may be provided with a structure in which the plunger 43 is automatically advanced by the spring (45).

이때, 상기 실린더(17)와 유압장치의 고장에 의해 작업중, 상기 버켓(15)을 고정하는 회동후크(11)가 반대방향으로 회동되면서 상기 버켓(15)이 분리되는데, 본 발명은 상기 제1,2지지부(20,30) 사이에 제3지지부(44)를 배치하여 상기 실린더로드(19)가 후퇴되는 것을 원천적으로 차단하여 상기 회동후크(11)에 의해 버켓(15)이 안정적으로 고정되는 것이다.At this time, during operation by the failure of the cylinder 17 and the hydraulic device, the bucket 15 is separated while the rotating hook 11 for fixing the bucket 15 is rotated in the opposite direction, the present invention is the first The second support part 44 is disposed between the second support parts 20 and 30 to prevent the cylinder rod 19 from being retracted so that the bucket 15 is stably fixed by the pivoting hook 11. will be.

그리고 굴삭기 작업중에 버켓(15)을 교체하거나 다른 작업을 행해야 하는 경우, 운전자가 운전석에서 버튼(46)을 누르면, 상기 솔레노이드(42)의 동작에 의해 플런저(43)가 후진됨에 따라 상기 제1,2지지부(20,30) 사이에 배치된 제3지지부(44)가 후진되어 상기 실린더(17)의 잠금상태가 해지되는 것이다.When the bucket 15 needs to be replaced or other work is performed during the excavator operation, when the driver presses the button 46 in the driver's seat, the plunger 43 is retracted by the operation of the solenoid 42 so that the first, The third support part 44 disposed between the two support parts 20 and 30 is reversed to release the locked state of the cylinder 17.

이어서, 상기 실린더(17)의 동작에 의해 실린더로드(19)가 후진되면서 상기 회동후크(11)를 반대방향으로 회동시켜 상기 클램프(100)에서 버켓(15)이 분리가능한 것이다.Subsequently, as the cylinder rod 19 is retracted by the operation of the cylinder 17, the pivot hook 11 is rotated in the opposite direction to detach the bucket 15 from the clamp 100.

이때, 상기 제1,2지지부(20,30)는 실린더로드(19)의 후진에 따라 서로 근접되게 배치되는 것이다.In this case, the first and second support parts 20 and 30 are disposed to be close to each other as the cylinder rod 19 moves backward.

이상과 같이 본 발명의 실시예에 대하여 상세히 설명하였으나, 본 발명의 권리범위는 이에 한정되지 않으며, 본 발명의 실시예와 실질적으로 균등의 범위에 있는 것까지 본 발명의 권리범위가 미친다.As described above, embodiments of the present invention have been described in detail, but the scope of the present invention is not limited thereto, and the scope of the present invention extends to the range substantially equivalent to the embodiments of the present invention.

따라서, 본 발명은 실린더와 회동후크에 제1,2지지부가 설치되고, 상기 실린더로드의 신축에 따라 제1,2지지부 사이에 지지수단의 제3지지부를 배치하여 상기 유압장치 및 실린더의 고장에 의해 상기 버켓을 고정하는 회동후크의 회동에 따른 실린더로드의 후진을 차단하여 안전사고를 미연에 방지할 수 있는 효과가 있다.Therefore, in the present invention, the first and second support parts are installed in the cylinder and the rotational hook, and the third support part of the support means is disposed between the first and second support parts according to the expansion and contraction of the cylinder rod, thereby preventing the hydraulic device and the cylinder from failure. By blocking the reverse of the cylinder rod in accordance with the rotation of the rotating hook for fixing the bucket there is an effect that can prevent the safety accident in advance.

그리고, 운전자가 운전석에서 상기 지지수단의 동작을 콘트롤하여 사용상에 편리함을 도모할 수 있는 효과가 있다. In addition, there is an effect that the driver can control the operation of the support means in the driver's seat for convenience in use.

Claims (4)

굴삭기아암의 선단부와 버켓실린더에 장착되는 바디와; 상기 바디의 하부에는 버켓의 양측 고정핀에 끼워지는 고정후크 및 회동후크와; 상기 바디 및 회동후크에 설치되며, 실린더로드의 신축에 따라 상기 회동후크를 회동시켜 굴삭기 버켓의 고정핀을 고정하는 실린더로 이루어진 굴삭기 클램프에 있어서,A body mounted to the tip of the excavator arm and the bucket cylinder; A fixing hook and a rotation hook fitted to both fixing pins of the bucket under the body; In the excavator clamp is provided in the body and the rotating hook, consisting of a cylinder for fixing the fixing pin of the excavator bucket by rotating the rotating hook in accordance with the expansion and contraction of the cylinder rod, 상기 실린더의 전면에 설치되는 제1지지부와, 상기 제1지지부에 마주보며, 상기 회동후크의 측에 설치되는 제2지지부와, 상기 바디의 내측에 설치되며, 상기 실린더로드에 의해 신축된 상기 제1,2지지부 사이로 제3지지부를 전후진가능하게 스프링과 솔레노이드가 설치되어 상기 회동후크의 잠금 및 해제를 유도하는 지지수단으로 구성된 것을 특징으로 하는 굴삭기 클램프용 안전장치.A first support part installed on the front surface of the cylinder, a second support part facing the first support part, installed on the side of the pivoting hook, and installed inside the body and stretched by the cylinder rod; Safety device for an excavator clamp, characterized in that the spring and the solenoid is installed so as to be able to move forward and backward between the first and second support parts to guide the locking and unlocking of the pivoting hook. 제1항에 있어서,The method of claim 1, 상기 지지수단은 바디의 내측에 설치되는 보빈과, 이 보빈의 내주면에 배치되는 솔레노이드와, 상기 솔레노이드 사이에 전후진가능하게 배치되는 플런저와, 상기 플런저의 단부에 결합되는 제3지지부와, 상기 보빈과 제3지지부 사이에 설치되는 스프링과, 전원을 인가받아 솔레노이드를 동작을 유도하는 버튼으로 이루어진 것을 특징으로 하는 굴삭기 클램프용 안전장치.The support means includes a bobbin installed inside the body, a solenoid disposed on an inner circumferential surface of the bobbin, a plunger disposed forward and backward between the solenoids, a third support coupled to an end of the plunger, and the bobbin. Safety device for an excavator clamp, characterized in that consisting of a spring that is installed between the third support and a button to induce the operation of the solenoid by receiving power. 삭제delete 제1항에 있어서,The method of claim 1, 상기 제1지지부의 배면에는 제3지지부의 전후진을 유도하는 가이드판이 형성되고, 상부에는 제3지지부의 전진을 제한하는 스톱퍼로 이루어진 것을 특징으로 하는 굴삭기 클램프용 안전장치.Guide plate for inducing the forward and backward movement of the third support portion is formed on the back of the first support portion, safety device for an excavator clamp, characterized in that consisting of a stopper for limiting the advance of the third support portion.
KR1020060064533A 2006-07-10 2006-07-10 Safety construction for excavator KR100792178B1 (en)

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KR1020060064533A KR100792178B1 (en) 2006-07-10 2006-07-10 Safety construction for excavator
CNA2007101090518A CN101105038A (en) 2006-07-10 2007-06-15 Dredger clamping safety device

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WO2010062166A1 (en) * 2008-11-27 2010-06-03 Caterpillar Work Tools B.V. Work tool coupling arrangement
US8469623B2 (en) * 2009-04-01 2013-06-25 Caterpillar Work Tools B.V. Quick coupling device
CA3047388C (en) * 2017-01-05 2022-05-31 Daemo Engineering Co., Ltd. Safety device for quick coupler
CN112227438A (en) * 2020-10-09 2021-01-15 三一重机有限公司 Quick change device and excavator
CN117966832B (en) * 2024-03-29 2024-06-14 泉州重达机械有限公司 Quick-change joint device of excavator and excavator bucket

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KR19980057555A (en) * 1996-12-30 1998-09-25 추호석 Clamping device for the optional tool of excavator
KR20010019689A (en) * 1999-08-30 2001-03-15 구영근 A Hydraulic Mounting Clamp for Attachment of Excavator
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101418530B1 (en) 2013-05-15 2014-07-11 최창길 Safety construction for excavator

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