摘要：【中文】本发明公开了一种梅花式板型控压装置，包括上部连接体(5)、分隔胶筒(6)、上部油腔体(7)、梅花式密封总成(8)和下部连接体(10)；所述上部连接体(5)、所述上部油腔体(7)和所述下部连接体(10)构成腔体，所述分隔胶筒(6)安装于所述腔体内，所述分隔胶筒(6)与所述腔体之间形成液压油腔体(13)；所述梅花式密封总成(8)安装于所述分隔胶筒(6)内，所述梅花式密封总成(8)在受到挤压时发生横向变形。本发明提供的控压装置利用梅花式密封总成在挤压时产生横向变形，实现了对井口与管柱之间空隙的密封或全封井口，降低了控压装置的整机高度。 【EN】The invention discloses a quincunx plate type pressure control device which comprises an upper connecting body (5), a separating rubber cylinder (6), an upper oil cavity (7), a quincunx sealing assembly (8) and a lower connecting body (10); the upper connecting body (5), the upper oil cavity (7) and the lower connecting body (10) form a cavity, the separation rubber cylinder (6) is arranged in the cavity, and a hydraulic oil cavity (13) is formed between the separation rubber cylinder (6) and the cavity; the quincunx seal assembly (8) is arranged in the separation rubber cylinder (6), and the quincunx seal assembly (8) is transversely deformed when being extruded. The pressure control device provided by the invention utilizes the quincunx seal assembly to generate transverse deformation during extrusion, realizes sealing of a gap between a wellhead and a pipe column or full sealing of the wellhead, and reduces the overall height of the pressure control device.

摘要：【中文】一种免回程管柱起下装置及带压作业系统，该免回程管柱起下装置包括滚辊总成、驱动总成和推动总成，其中，滚辊总成，具有两个滚辊，在所述两个滚辊的辊面之间能够夹持一管柱，通过所述两个滚辊的滚动对所述管柱进行夹送；驱动总成，能够驱动所述两个滚辊进行滚动；推动总成，能够驱动所述两个滚辊相对滑动，以提供对所述管柱的夹紧力。由此，该免回程管柱起下装置应用在带压作业系统中，能够完成对管柱的连续起下作业，显著提高了作业效率，简化了带压作业结构，降低了系统体积和重量。 【EN】The return-stroke-free tubular column tripping device comprises a roller assembly, a driving assembly and a pushing assembly, wherein the roller assembly is provided with two rollers, a tubular column can be clamped between the roller surfaces of the two rollers, and the tubular column is clamped and conveyed by rolling of the two rollers; the driving assembly can drive the two rollers to roll; and the pushing assembly can drive the two rollers to slide relatively so as to provide clamping force for the tubular column. Therefore, the return-stroke-free pipe column tripping device is applied to a pressurized operation system, can complete continuous tripping operation of a pipe column, obviously improves the operation efficiency, simplifies the pressurized operation structure, and reduces the volume and weight of the system.

摘要：【中文】本发明公开了一种多管线收放装置，包括减速电机、链传动轴、管线绞盘总成和总支架，多个管线绞盘总成安装在总支架上，链传动轴可转动的安装在总支架的一侧，减速电机的工作端设置有主动链轮，主动链轮通过链条与链传动轴一端的从动链轮传动连接，链传动轴上并排的多个链轮与管线绞盘总成上的链轮传动连接在一起；减速电机启动通过链传动轴带动多个管线绞盘总成转动将管线缠绕收集起来。本发明布局合理，管线的收放作业通过减速电机自动驱动实现，操作更加灵活便捷，工作时只需将液压管线拉出并连接到液压执行元件上，管线绞盘旋转释放管线完成连接工作，回收管线时，启动减速电机即可将管线旋转缠绕拉回。 【EN】The invention discloses a multi-pipeline winding and unwinding device, which comprises a speed reducing motor, a chain transmission shaft, a pipeline winch assembly and a main support, wherein a plurality of pipeline winch assemblies are arranged on the main support; the speed reducing motor is started to drive the pipeline winch assemblies to rotate through the chain transmission shafts so as to collect the pipeline winding. The pipeline winding and unwinding device is reasonable in layout, the pipeline winding and unwinding operation is realized through automatic driving of the speed reducing motor, the operation is more flexible and convenient, the hydraulic pipeline is pulled out and connected to the hydraulic execution element during working, the pipeline winch rotates to release the pipeline to complete the connection work, and the speed reducing motor is started to wind and pull back the pipeline in a rotating mode during pipeline recycling.