摘要：【中文】本发明公开了一种井口用活动密封盖板，涉及建筑测试装置领域，包括：盖板，盖板底部设置有弹性密封件；驱动组件，驱动组件包括减速电机、动轮组和水平设置的行走梁，减速电机固定设置在所述行走梁上，其输出端与动轮组的轴相连；顶升组件，顶升组件连接盖板和所述驱动组件，用于控制所述驱动组件相对于盖板竖直移动；导向组件，导向组件与盖板刚性连接，用于在顶升组件顶升盖板时保持盖板平衡。本发明的井口用活动密封盖板，可在不增加额外空间的前提下，使用较现有装置更低的成本解决盖板活动中的磨损问题。 【EN】The invention discloses a movable sealing cover plate for a wellhead, which relates to the field of building testing devices and comprises: the bottom of the cover plate is provided with an elastic sealing element; the driving assembly comprises a speed reducing motor, a movable wheel set and a horizontally arranged walking beam, the speed reducing motor is fixedly arranged on the walking beam, and the output end of the speed reducing motor is connected with a shaft of the movable wheel set; the jacking assembly is connected with the cover plate and the driving assembly and used for controlling the driving assembly to vertically move relative to the cover plate; and the guide assembly is rigidly connected with the cover plate and used for keeping the balance of the cover plate when the cover plate is jacked by the jacking assembly. The movable sealing cover plate for the wellhead can solve the problem of abrasion in the movement of the cover plate by using lower cost than the existing device on the premise of not increasing extra space.

摘要：【中文】本发明公开了一种旋转驱动装置及风洞隔离门，涉及风洞试验装置技术领域，该旋转驱动装置包括驱动臂，其第一端套设固定于门轴，门轴固定于旋转门体中心；第一液压缸与驱动臂铰接；第二液压缸与驱动臂铰接；第一液压缸和第二液压缸位于旋转门体的同一侧，且上下布置于门轴两侧；第一液压缸和第二液压缸交替驱动；以第一液压缸伸出至极限时，门轴为初始状态，当第二液压缸伸出至极限时，门轴由初始状态沿轴向旋转180°；当第一液压缸和第二液压缸伸出长度相同时，门轴由初始状态沿轴向旋转90°。本发明，通过第一液压缸和第二液压缸的配合，可产生较大的驱动力矩，通过驱动臂带动门轴转动，进而控制旋转门体绕门轴轴线旋转180°。 【EN】The invention discloses a rotary driving device and a wind tunnel isolation door, and relates to the technical field of wind tunnel test devices, wherein the rotary driving device comprises a driving arm, wherein the first end of the driving arm is sleeved and fixed on a door shaft, and the door shaft is fixed at the center of a rotary door body; the first hydraulic cylinder is hinged with the driving arm; the second hydraulic cylinder is hinged with the driving arm; the first hydraulic cylinder and the second hydraulic cylinder are positioned on the same side of the rotary door body and are arranged on two sides of the door shaft up and down; the first hydraulic cylinder and the second hydraulic cylinder are driven alternately; when the first hydraulic cylinder extends to the limit, the door shaft is in an initial state, and when the second hydraulic cylinder extends to the limit, the door shaft axially rotates 180 degrees from the initial state; when the first hydraulic cylinder and the second hydraulic cylinder are the same in extension length, the door shaft is rotated by 90 degrees in the axial direction from the initial state. According to the invention, through the matching of the first hydraulic cylinder and the second hydraulic cylinder, a larger driving torque can be generated, and the driving arm drives the door spindle to rotate, so that the rotating door body is controlled to rotate 180 degrees around the axis of the door spindle.

摘要：【中文】本发明公开了一种旋转式风洞隔离门，涉及风洞试验装置技术领域，该旋转式风洞隔离门包括壳体，其内设有内流道结构和外流道结构，内流道结构和外流道结构之间形成容置腔体，内流道结构形成有内流道，外流道结构形成有外流道；旋转门体，旋转门体的中心设有门轴，门轴两端分别通过轴承设置于内流道结构和外流道结构上；门体上位于门轴一侧开设有流道孔；当旋转门体旋转至开启极限位置时，流道孔与内流道和外流道连通对齐；当旋转门体旋转至关闭极限位置时，流道孔与内流道和外流道不连通。本发明的旋转式风洞隔离门，不仅结构紧凑，易于操控，且运行更稳定，有利于减小隔离门与风洞主体流道的对接阶差，提高对接精度，进而提高试验数据的精度。 【EN】The invention discloses a rotary wind tunnel isolation door, which relates to the technical field of wind tunnel test devices and comprises a shell, wherein an inner runner structure and an outer runner structure are arranged in the shell; the center of the rotating door body is provided with a door shaft, and two ends of the door shaft are respectively arranged on the inner flow passage structure and the outer flow passage structure through bearings; a flow passage hole is formed in the door body and positioned on one side of the door shaft; when the rotary door body rotates to the opening limit position, the flow passage hole is communicated and aligned with the inner flow passage and the outer flow passage; when the rotary door body rotates to the closing limit position, the flow passage hole is not communicated with the inner flow passage and the outer flow passage. The rotary wind tunnel isolation door disclosed by the invention is compact in structure, easy to control and more stable in operation, and is beneficial to reducing the butt joint step difference between the isolation door and a wind tunnel main body flow passage, improving the butt joint precision and further improving the precision of test data.