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Priority to KR1019890010909ApriorityCriticalpatent/KR910003294A/en
Publication of KR910003294ApublicationCriticalpatent/KR910003294A/en
유압실린더의 패킹파손 검출장치Packing Damage Detection Device of Hydraulic Cylinder
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제2도는 제1도 "A"부분의 확대도,2 is an enlarged view of the portion "A" of FIG. 1,
제3도는 본 발명 장치를 가진 유압실린더의 일부 단면도.3 is a partial cross-sectional view of a hydraulic cylinder with the device of the present invention.
Claims (4)
플런저(2)와 가이드부시(3)의 접속면에 설치된 메인패킹(4)의 상부에 메인패킹과 동일한 형상의 보조패킹(8)을 설치하고 메인패킹(4)과 보조패킹(8) 사이에는 외부로 관통된 기름유출통로(9)를 형성하여 이 기름유출통로(9)에 콘넥터(11)로 분기된 연결관(10)의 일측을 연결하며, 연결관(10)의 끝부분에는 압력검출스위치(12)를 설치하여 메인패킹(4)의 파손시 다량의 기름이 기름유출통로(9)와 연결관(10)으로 흘러 압력검출스위치(12)를 작동시킴과 동시에 보조패킹(8)이 메인패킹의 역할을 수행할 수 있게 함을 특징으로 하는 유압실린더의 패킹파손 검출장치.An auxiliary packing 8 having the same shape as the main packing is installed on the upper part of the main packing 4 installed on the connection surface of the plunger 2 and the guide bush 3, and between the main packing 4 and the auxiliary packing 8 Form an oil outflow passage 9 penetrated to the outside to connect one side of the connection pipe 10 branched to the connector 11 to the oil outflow path 9, and the pressure detection at the end of the connection pipe (10) By installing the switch 12, when the main packing 4 is damaged, a large amount of oil flows into the oil outflow passage 9 and the connection pipe 10 to operate the pressure detection switch 12, and at the same time, the auxiliary packing 8 Packing damage detection device of the hydraulic cylinder, characterized in that to perform the role of the main packing.제2항에 있어서, 연결관(10)의 다른 일측 끝부분에 공기공급장치(13)를 설치하여 연결관(10)에 공기를 공급할 수 있도록 한 유압실린더의 패킹파손 검출장치.3. The packing failure detection device of a hydraulic cylinder according to claim 2, wherein an air supply device (13) is installed at the other end of the connection pipe (10) to supply air to the connection pipe (10).제1항에 있어서, 기름유출통로(9)와 콘넥터(11)사이에 스톱밸브(15)를 설치한 유압실린더의 패킹파손 검출장치.2. The packing failure detection device of a hydraulic cylinder according to claim 1, wherein a stop valve (15) is provided between the oil outflow passage (9) and the connector (11).제2항에 있어서, 공기공급장치(13)와 콘넥터(11)사이에 스톱밸브(16)를 설치한 유압실린더의 패킹파손 검출장치.3. The packing failure detection device of a hydraulic cylinder according to claim 2, wherein a stop valve (16) is provided between the air supply device (13) and the connector (11).※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890010909A1989-07-311989-07-31
Packing Damage Detection Device of Hydraulic Cylinder
KR910003294A
(en)