KR20070111826A - The adjustable device - Google Patents

The adjustable device Download PDF

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Publication number
KR20070111826A
KR20070111826A KR1020060045120A KR20060045120A KR20070111826A KR 20070111826 A KR20070111826 A KR 20070111826A KR 1020060045120 A KR1020060045120 A KR 1020060045120A KR 20060045120 A KR20060045120 A KR 20060045120A KR 20070111826 A KR20070111826 A KR 20070111826A
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KR
South Korea
Prior art keywords
heavy equipment
fastening
gap
construction heavy
adjusting device
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KR1020060045120A
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Korean (ko)
Inventor
황재봉
곽성욱
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현대중공업 주식회사
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Priority to KR1020060045120A priority Critical patent/KR20070111826A/en
Publication of KR20070111826A publication Critical patent/KR20070111826A/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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members

Abstract

A gap adjusting device for a connection part of a heavy construction machine is provided to enable an operator to replace the gap adjusting device without separating all of upper and lower structures, a hydraulic cylinder, and a connection pin. A gap adjusting device(5) for a connection part of a heavy construction machine includes a pair of left and right plates(9,10) vertically separated from a circular body. The left plate includes a cut surface(15), fastening holes(11), and projections(13). The right plate includes a cut surface corresponding to that of the left plate and a fastening part(14) having fastening holes to be fastened to the projections of the left plate. An insertion hole is formed in the middle of combined cut surfaces of the left and the right plates so that a connection pin can be inserted into the insertion hole.

Description

건설 중장비 구조물의 연결부 틈새 조정장치{The Adjustable device}Gap adjusting device of construction heavy equipment structure

도 1a, b는 종래 기술에 따른 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 사용상태도.Figure 1a, b is a state diagram showing the use of the gap clearance adjusting device of the construction heavy equipment structure according to the prior art.

도 2는 종래의 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 정면도. Figure 2 is a front view showing a gap clearance adjustment device of a conventional construction heavy equipment structure.

도 3은 본 발명 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 분리사시도.Figure 3 is an exploded perspective view showing a gap clearance adjusting device of the present invention construction heavy equipment structure.

도 4는 본 발명 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 결합사시도.Figure 4 is a perspective view showing a joint clearance adjusting device of the present invention construction heavy equipment structure.

도 5는 본 발명 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 결합단면도.Figure 5 is a cross-sectional view showing a coupling clearance adjustment device of the present invention construction heavy equipment structure.

도 6은 본 발명 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 설치상태도.Figure 6 is a state diagram showing the installation gap adjustment device of the present invention construction heavy equipment structure.

<도면의 주요부분에 대한 부호의 설명 ><Description of the code for the main part of the drawing>

(1) : 상부 구조물 (2) : 하부 구조물(1): upper structure (2): lower structure

(3) : 유압실린더 (4)(5) : 틈새 조정장치(3): Hydraulic cylinder (4) (5): Clearance adjusting device

(6) : 연결핀 (7) : 체결볼트(6): Connecting pin (7): Fastening bolt

(8) : 체결너트 (9) : 좌측판(8): Fastening nut (9): Left side plate

(10) : 우측판 (11) : 체결공(10): right side plate 11: fastener

(12) : 삽입 공 (13) : 돌기부(12): insertion hole (13): protrusion

(14) : 체결편 (15) : 절단면14: fastening piece 15: cutting surface

본 발명은 건설 중장비 구조물의 연결부 틈새 조정 장치에 관한 것으로, 더욱 상세히 설명하면 건설현장에서 건설 중장비의 작업에 따른 관절운동부의 작동으로 유압실린더에 의해 상하부 구조물이 관절운동을 하면, 상하부 구조물이 서로 면접촉하면서 마찰, 마모에 의한 틈새가 발생되는 것을 방지하도록 구조물 및 관련 부품을 탈거하지 않고 틈새 조정 장치만을 분리하여 교체 설치할 수 있도록 하는 건설 중장비 구조물의 연결부 틈새 조정 장치에 관한 것이다.The present invention relates to a gap clearance adjusting device of the construction heavy equipment structure, more specifically, when the upper and lower structures are joint movement by the hydraulic cylinder by the operation of the joint movement part according to the operation of the construction heavy equipment in the construction site, the upper and lower structures face each other In order to prevent the occurrence of gaps due to friction and abrasion during contact, the present invention relates to a gap adjustment device of a construction heavy equipment structure that allows the installation and replacement of only a gap adjustment device without removing the structure and related parts.

일반적으로 건설 중장비는 도 1a, b에서 도시한 바와 같이 유압실린더(3)의 추력에 의해 반복적인 관절운동을 할 수 있도록 상부 구조물(1)과 하부 구조물(2)은 연결핀(6)을 매개로 서로 체결한 후 작업을 수행한다.In general, the heavy construction equipment as shown in Figure 1a, b, the upper structure (1) and the lower structure (2) through the connecting pin (6) to be able to perform repeated joint movement by the thrust of the hydraulic cylinder (3) After fastening with each other, perform work.

그러나 건설 중장비의 관절운동부인 상부 구조물(1)과 하부 구조물(2)과 유압실린더(3)는 장기간 관절운동을 반복하면 연결부의 상호 측면이 면 접촉에 의해 마찰, 마모, 제작상의 누적 공차로 인하여 상하부 구조물(1)(2) 사이 연결부에는 틈새가 발생하게 된다.However, if the upper structure (1), the lower structure (2), and the hydraulic cylinder (3), which are joint movement parts of construction heavy equipment, repeat joint movement for a long period of time, the mutual sides of the joints will be contacted by surface contact due to friction, wear, and manufacturing tolerances. The gap between the upper and lower structures (1) and (2) is generated.

상기 상하부 구조물(1, 2)의 연결부에 발생하는 틈새는 구조물(1)(2)의 관절 운동 시 틈새 크기에 따라 구조물의 흔들림이 발생되어지므로 정확한 시공 및 원활한 작업을 제대로 할 수 없는 문제점이 있다.The gap occurring in the connecting portion of the upper and lower structures (1, 2) is a problem that the structure is shaken according to the size of the gap during the joint movement of the structure (1) (2) can not be correctly constructed and smooth work properly .

또한 건설 중장비의 상부 구조물(1)과 하부 구조물(2), 유압실린더(3)에 장기간 고 부하에 따른 측면 면 접촉을 그대로 방치하면 마찰에 의해 상부 구조물(1)과 하부 구조물(2)의 측면 마모로 이어져 원활한 작업을 제대로 할 수 없는 것은 물론 더 많은 수리비용이 발생한다.In addition, if the side surface contact due to high load for a long time in the upper structure (1), the lower structure (2), the hydraulic cylinder (3) of construction heavy equipment is left as it is, the side of the upper structure (1) and the lower structure (2) by friction This leads to wear and tear, which can't work well and incurs more repair costs.

따라서 건설 중장비의 모든 관절운동부에는 상부 구조물(1)과 하부 구조물(2) 사이에 발생되는 틈새는 도 2에서 도시한 바와 같이 틈새 조정장치(4)를 빈번하게 교체하여 틈새를 조정한 후 건설 중장비를 사용하고 있다.Therefore, the gap generated between the upper structure (1) and the lower structure (2) in all the joint movement of the construction heavy equipment frequently adjusts the clearance by replacing the gap adjusting device (4) as shown in Figure 2 I'm using.

상기 종래의 틈새 조정장치(4)는 일반적으로 탄소공구강 재질에 0.5㎜ 내지 2㎜의 두께에 원형형상의 판제 또는 비금속의 수지계열의 판제로 중앙에는 연결핀(6)을 삽입할 수 있도록 삽입공이 일체로 형성된 구조이다.The conventional gap adjusting device (4) is a circular plate or a non-metal resin-based plate with a thickness of 0.5 mm to 2 mm in a carbon steel oral material, and the insertion hole 6 can be inserted in the center thereof. It is a structure formed integrally.

그러나 상기 건설 중장비의 모든 관절운동부에 발생되는 틈새를 조정하기 위해 상하부 구조물(1)(2) 사이에 설치된 틈새 조정장치(4)를 교체하기 위해서는 고하중의 상하부 구조물(1)(2), 유압실린더(3), 관련부품 및 연결핀(6)을 모두 탈거해야만 하는 어려움이 있다.However, in order to replace the clearance adjustment device 4 installed between the upper and lower structures (1) and (2) to adjust the clearance generated in all the joint motion of the construction heavy equipment, the upper and lower structures (1) (2) of heavy load, hydraulic There is a difficulty in removing all of the cylinder (3), the related parts and the connecting pin (6).

따라서 건설 중장비 구조물의 연결부 틈새 조정 장치를 교체하기 위해서는 많은 작업인력 및 시간이 소요되고 탈거 시 작업자의 안전사고가 발생할 수 있는 문제점이 있다.Therefore, it takes a lot of work manpower and time to replace the gap adjustment device of the construction heavy equipment structure, there is a problem that can cause a safety accident of the worker when removing.

따라서 상기와 같은 문제점을 해소하기 위한 본 발명의 목적은 건설중장비의 모든 관절운동부의 상부 구조물과 하부 구조물 사이에 발생되는 틈새를 조정하기 위해 틈새 조정 장치를 교체할 때 상부 구조물, 하부 구조물, 유압실린더, 관련부품 및 연결핀을 모두 탈거하지 않고 그 상태에서 작업자가 분리 가능한 틈새 조정 장치를 체결하여 교체할 수 있는 것을 특징으로 하는 건설 중장비 구조물의 연결부 틈새 조정 장치를 제공하는 것이다.Therefore, an object of the present invention for solving the above problems is to replace the gap adjusting device to adjust the gap generated between the upper structure and the lower structure of all the joint motion portion of the construction equipment of the upper structure, the lower structure, the hydraulic cylinder To provide a clearance adjustment device for the connection of the heavy construction structure, characterized in that the worker can be replaced by removing the clearance adjustment device that can be removed in the state without removing all the related parts and connecting pins.

상기와 같은 목적을 달성하기 위하여 본 발명은 건설 중장비의 상호 관절운동부의 상부 구조물과 하부 구조물과 유압실린더 사이에 발생되는 틈새를 방지 및 조정하기 위해 체결되는 건설 중장비 구조물의 연결부 틈새 조정장치에 있어서, 상부 구조물, 하부 구조물, 유압실린더, 관련부품 및 연결핀을 모두 탈거하지 않고 체결할 수 있도록 한 틈새 조정장치는 판 형상에 중앙을 기준으로 수직으로 절단되어 분리된 좌우 한 쌍이 체결수단에 의해 고정 체결되는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a device for adjusting the gap of the construction heavy equipment structure that is fastened to prevent and adjust the gap generated between the upper structure and the lower structure and the hydraulic cylinder of the mutual joint movement of the construction heavy equipment, The gap adjusting device that can be fastened without removing all the upper structure, the lower structure, the hydraulic cylinder, the related parts and the connecting pins is fixed to the plate shape by a fastening means. It is characterized by.

이하 첨부된 도면에 의해 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 분리사시도이고, 도 4는 본 발명 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 결합사시도이며, 도 5는 본 발명 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 결합단면도이다.Figure 3 is an exploded perspective view showing the connection gap adjustment device of the construction heavy equipment structure of the present invention, Figure 4 is a combined perspective view showing the connection gap adjustment device of the construction heavy equipment structure of the present invention, Figure 5 is a construction heavy equipment structure of the present invention A cross-sectional view showing the gap clearance adjustment of the connection.

본 발명은 건설 중장비의 관절운동부인 상부 구조물(1)과 하부 구조물(2), 유압실린더(3)의 측면이 서로 마찰, 마모되어 발생되는 틈새를 방지하기 위하여 체결하는 틈새 조정장치(5)는 분리 결합되는 좌측판(9)과 우측판(10)과 체결볼트(7)와 체결너트(8)로 이루어진다.The present invention is a gap adjusting device (5) for fastening to prevent the gap caused by friction and wear of the side of the upper structure (1) and the lower structure (2), the hydraulic cylinder (3) which is a joint movement of construction heavy equipment is The left plate (9) and the right plate (10) to be separated and composed of the fastening bolt (7) and fastening nut (8).

상기 틈새 조정장치(5)는 원형형상에서 중앙을 기준으로 수직 절단하여 분리된 좌측판(9)과 우측판(10) 일측에는 각각 절단면(15)이 형성된다.The gap adjusting device 5 has a cut surface 15 formed on one side of the left side plate 9 and the right side plate 10, which are vertically cut based on the center in a circular shape.

또한 상기 좌측판(9)은 상하 끝단에 체결 공(11)이 형성되어 전면으로 돌출된 돌기부(13)가 일체로 형성된다.In addition, the left side plate 9 has fastening holes 11 formed at upper and lower ends thereof, and protrusions 13 protruding toward the front surface are integrally formed.

또한 상기 전면으로 만곡지게 돌출된 돌기부(13)는 원형형상에서 수직으로 절단된 좌측판(9)과 우측판(10)을 체결할 때 절단면(15)은 동일선상으로 서로 밀착되면서 돌기부(13)만 겹쳐서 체결할 수 있도록 우측판(10)의 두께만큼 돌출되어 돌기부(13)의 배면에 긴밀하게 체결할 수 있는 체결공간을 제공한다.In addition, the protrusions 13 protruding to the front of the front surface when the left side plate 9 and the right side plate 10 are vertically cut in a circular shape when the cutting surface 15 is in close contact with each other in the same line as the protrusions 13 Only by protruding the thickness of the right side plate 10 to be fastened overlapping provides a fastening space that can be tightly fastened to the back of the projection (13).

따라서 우측판(10)에는 좌측판(9)에 형성된 돌기부(13)의 배면에 겹쳐지도록 대응하게 상하 끝단에 체결공(11)이 형성된 체결편(14)이 일체로 형성된다.Accordingly, the right side plate 10 is integrally formed with a fastening piece 14 having fastening holes 11 formed at upper and lower ends thereof so as to overlap the rear surface of the protrusion 13 formed on the left side plate 9.

또한 상기 체결편(14)은 돌기부(13)와 달리 전면으로 돌출되지 않고 우측판(10)과 동일면상으로 형성한다.In addition, the fastening piece 14 is formed in the same plane as the right side plate 10 without protruding from the front side unlike the protrusions 13.

따라서 상기 분리된 좌측판(9)과 우측판(10)의 절단면(15)을 밀착시키면 좌측판(9)의 돌기부(13) 배면에 우측판(10)의 체결편(14)이 위치하여 통공된 체결 공(11)에 체결볼트(7)를 삽입하여 체결너트(8)로 조임 고정하는 구조이다. Accordingly, when the separated left side plate 9 and the cut surface 15 of the right side plate 10 are brought into close contact with each other, the fastening piece 14 of the right side plate 10 is positioned on the rear surface of the protrusion 13 of the left side plate 9 so that the through hole is located. The fastening bolt (7) is inserted into the fastening hole 11 is fastened with a fastening nut (8) structure.

그러면 원형형상으로 체결된 좌측판(9)과 우측판(10)의 중앙에는 반원형상에서 연결핀(6)을 삽입할 수 있도록 삽입 공(12)이 형성되어 연결핀(6)을 자연스럽게 체결하는 것이다.Then, the insertion hole 12 is formed in the center of the left side plate 9 and the right side plate 10 fastened in a circular shape so that the connecting pin 6 can be inserted in a semicircular shape, thereby naturally connecting the connecting pin 6. .

도 6은 본 발명 건설 중장비 구조물의 연결부 틈새 조정 장치를 도시해 보인 설치상태도로, 건설 중장비의 관절운동부인 상부 구조물(1), 하부 구조물(2), 유압실린더(3)가 연결핀(6)을 매개로 원활한 관절운동에 의한 작업수행으로 장기간 작업시 상부 구조물(1), 하부 구조물(2) 측면에 마찰에 의해 마모되어 상호 틈새가 발생되어 지므로 두개로 분리된 틈새 조정 장치(5)에 의해 구조물(1, 2, 3) 등을 탈거하지 않고 교체가 용이한 것이다. Figure 6 is a state diagram showing the installation gap adjustment device of the construction heavy equipment structure of the present invention, the upper structure (1), the lower structure (2), the hydraulic cylinder (3) that is the joint movement of the construction heavy equipment connecting pin (6) Due to the smooth performance of the joints, the gap between the upper structure (1) and the lower structure (2) is worn out by friction on the side of the structure for a long time, so that a mutual gap is generated. It is easy to replace without removing the structure (1, 2, 3).

본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 고안이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

이상에서 설명한 바와 같이 본 발명은 건설 중장비의 상호 관절운동부의 구 조물 사이에 발생되는 틈새를 방지하기 위하여 건설 중장비 구조물의 연결부 틈새 조정 장치를 설치할 때 관련 구조물의 상호 탈거 없이 작업자가 편리하게 장착할 수 있도록 하여 작업능률의 향상 및 탈거과정에서 발생될 수 있는 안전사고를 미연에 예방할 수 있는 효과가 있다. As described above, the present invention can be conveniently mounted by the operator without the mutual removal of the related structure when installing the clearance gap adjusting device of the construction heavy equipment structure in order to prevent the gap generated between the structures of the mutual joint movement of the construction heavy equipment. In this way, it is possible to prevent the safety accidents that may occur during the improvement of work efficiency and removal process.

Claims (1)

건설 중장비의 상호 관절운동부의 상부 구조물과 하부구조물과 유압실린더 사이에 발생되는 틈새를 방지하기 위해 체결되는 건설 중장비 구조물의 연결부 틈새 조정장치에 있어서,In the joint clearance adjustment device of the construction heavy equipment structure is fastened to prevent the clearance between the upper structure and the lower structure and the hydraulic cylinder of the mutual joint movement of the construction heavy equipment, 원형 형상에서 수직으로 절단 분리된 한 쌍의 좌측판과 우측판으로 구성되며, 상기 좌측판에는 수직으로 절단된 절단면과 상하 끝단에는 체결공이 형성되어 전면으로 돌출된 돌기부를 구비하며, 상기 우측판에는 수직으로 절단된 좌측판의 절단면과 대응하는 절단면과, 좌측판에 형성된 돌기부의 배면에 겹쳐 체결되도록 상하 끝단에 체결공이 형성된 체결편을 구비하여, 상기 분리된 좌측판과 우측판의 절단면을 서로 밀착하여 통공된 돌기부와 체결편을 체결하면 좌측판과 우측판의 결합된 절단면 중앙에는 연결핀을 삽입할 수 있도록 삽입공이 형성된 것을 특징으로 하는 건설 중장비 구조물의 연결부 틈새 조정장치.It consists of a pair of left and right plates cut vertically in a circular shape, the left plate has a vertically cut surface and the upper and lower ends have a fastening hole is formed to protrude to the front, the right plate A cutting surface corresponding to the cut surface of the left plate cut vertically, and a fastening piece having fastening holes formed at upper and lower ends thereof so as to overlap the back surface of the protrusion formed on the left plate. When the fastening portion and the fastening piece is fastened to the connecting portion gap of the construction heavy equipment structure, characterized in that the insertion hole is formed in the center of the combined cutting surface of the left and right plates to insert the connecting pin.
KR1020060045120A 2006-05-19 2006-05-19 The adjustable device KR20070111826A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020133725A (en) * 2019-02-18 2020-08-31 キャタピラー エス エー アール エル Gap adjusting member
JP2021050501A (en) * 2019-09-24 2021-04-01 コベルコ建機株式会社 Attachment for construction machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5274959U (en) * 1975-12-02 1977-06-04
JPS6113064U (en) * 1984-06-29 1986-01-25 株式会社 巴技術研究所 Ground seal device for rotating shaft
KR880005383A (en) * 1986-10-29 1988-06-29 아더 엠. 킹 Split Seal Assembly and Packed Seal Retrofit Method
JPH09166223A (en) * 1995-12-13 1997-06-24 Asuka Japan:Kk Dry shaft seal
KR20010001506U (en) * 1999-06-29 2001-01-15 이구택 Sleeve apparatus with movable seal contact portion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5274959U (en) * 1975-12-02 1977-06-04
JPS6113064U (en) * 1984-06-29 1986-01-25 株式会社 巴技術研究所 Ground seal device for rotating shaft
KR880005383A (en) * 1986-10-29 1988-06-29 아더 엠. 킹 Split Seal Assembly and Packed Seal Retrofit Method
JPH09166223A (en) * 1995-12-13 1997-06-24 Asuka Japan:Kk Dry shaft seal
KR20010001506U (en) * 1999-06-29 2001-01-15 이구택 Sleeve apparatus with movable seal contact portion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020133725A (en) * 2019-02-18 2020-08-31 キャタピラー エス エー アール エル Gap adjusting member
JP2021050501A (en) * 2019-09-24 2021-04-01 コベルコ建機株式会社 Attachment for construction machine

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