海洋立管伸缩接头用液压远程控制锁紧装置

Hydraulic remote control locking device for expansion joint of ocean standpipes

Abstract

本实用新型公开了一种海洋立管伸缩接头用液压远程控制锁紧装置,伸缩接头的上法兰通过锁紧套筒与内筒固定连接,内筒外圆周套装有上部连接筒体,上部连接筒体与伸缩接头的外筒连接,内筒同时伸入外筒内,包括在上部连接筒体的圆周上设置有多个液压锁紧装置,每个液压锁紧装置通过液压管线与远程液压控制装置连接,所述每个液压锁紧装置包括一个液压锁紧缸,该液压锁紧缸活塞室中设置有锁销和弹簧,活塞室的一端与液压管线连接;或者,所述液压锁紧装置的活塞室中设置有锁销,活塞室的两端分别通过液压解锁管线、液压锁紧管线与远程液压控制装置连接。本实用新型可以方便可靠的实现海洋水下立管伸缩接头自动锁紧和解锁。
The utility model discloses a hydraulic remote control locking device for the expansion joint of ocean standpipes. The upper flange of the expansion joint is connected fixedly with the inner cylinder of the expansion joint through a locking sleeve; an upper connection cylinder body is sleeved on the outer circumference of the inner cylinder and connected with the outer cylinder of the expansion joint, meanwhile the inner is inserted into the outer cylinder. The hydraulic remote control locking device comprises a plurality of hydraulic locking units arranged along the circumference of the upper connection cylinder body, each hydraulic locking unit is connected with the a remote hydraulic control device through a hydraulic pipeline; each hydraulic locking unit comprises a hydraulic locking cylinder, a lock pin and a spring are arranged in the piston chamber of the hydraulic locking cylinder, one end of the piston chamber is connected with the hydraulic pipeline or a lock pin is arranged in the piton chamber of the hydraulic locking cylinder and both ends of the piston chamber are respectively connected with the remote hydraulic control device through a hydraulic unlocking pipeline and a hydraulic locking pipeline. The utility model can realize automatic locking and unlocking of the expansion joint of the ocean underwater standpipes conveniently and reliably.

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