摘要：【中文】本发明公开了一种测量装置及环形旋转舞台，涉及舞台设备测量技术领域，该测量装置包括：支座、链条组件和链轮组件。支座固定设置；链条组件包括链条，链条用于沿环形旋转舞台外侧固定。链轮组件设于支座上，包括链轮和编码器，链轮与链条啮合，编码器与链轮同轴线固定连接，并用于测量链轮的角位移。本发明的测量装置及环形旋转舞台，通过链条和链轮，将环形旋转舞台的转动转化为链轮的转动，并通过编码器测量链轮的角位移，采用间接的方式测量环形旋转舞台的角位移，结构简单，使用方便。 【EN】The invention discloses a measuring device and an annular revolving stage, relating to the technical field of stage equipment measurement, wherein the measuring device comprises: a bracket, a chain assembly and a sprocket assembly. The support is fixedly arranged; the chain assembly comprises a chain for fixing along the outside of the annular revolving stage. The chain wheel assembly is arranged on the support and comprises a chain wheel and an encoder, the chain wheel is meshed with the chain, and the encoder is fixedly connected with the chain wheel in a coaxial line and used for measuring the angular displacement of the chain wheel. According to the measuring device and the annular revolving stage, the rotation of the annular revolving stage is converted into the rotation of the chain wheel through the chain and the chain wheel, the angular displacement of the chain wheel is measured through the encoder, and the angular displacement of the annular revolving stage is measured in an indirect mode.

摘要：【中文】本发明公开了一种活动式舞台安全防护装置，涉及防护装置领域，包括：至少一个连接支座、旋转轴、旋转杆、护栏杆、主动连杆和驱动组件，其中，所述连接支座用于安装于舞台上，且所述连接支座设有第一孔；所述旋转轴穿过所述第一孔；所述旋转杆与所述旋转轴相连并可相对所述旋转轴转动；所述护栏杆连接于所述旋转杆的一端并可相对所述旋转杆转动；所述主动连杆连接于所述旋转杆的另一端并可相对所述旋转杆转动；所述驱动组件与所述主动连杆相连并可驱动所述主动连杆往复移动，以使所述活动式舞台安全防护装置在工作状态和非工作状态之间切换。本发明提供的活动式舞台安全防护装置，使用时可伸展开来防止演员从舞台跌落，使用完毕后可收缩至舞台的侧边或舞台平台的下方，占据的空间较小。 【EN】The invention discloses a movable stage safety protection device, which relates to the field of protection devices and comprises: the device comprises at least one connecting support, a rotating shaft, a rotating rod, a guardrail rod, a driving connecting rod and a driving assembly, wherein the connecting support is used for being installed on a stage and is provided with a first hole; the rotating shaft passes through the first hole; the rotating rod is connected with the rotating shaft and can rotate relative to the rotating shaft; the guardrail bar is connected to one end of the rotating rod and can rotate relative to the rotating rod; the driving connecting rod is connected to the other end of the rotating rod and can rotate relative to the rotating rod; the driving assembly is connected with the driving connecting rod and can drive the driving connecting rod to reciprocate, so that the movable stage safety protection device is switched between a working state and a non-working state. The movable stage safety protection device provided by the invention can be extended to prevent actors from falling off the stage when in use, and can be retracted to the side edge of the stage or below the stage platform after use, so that the occupied space is small.

摘要：【中文】本发明涉及火炬机构领域，公开了一种火炬系统，包括：底座、回转台、回转驱动机构、火炬升降机构、燃气管道、火炬盆、伸缩伞机构、装饰组件、控制单元；回转台经回转驱动机构转动设置于底座上；火炬升降机构的升降柱穿过回转台中心开口固定于底座上，升降柱顶部与火炬盆连接，火炬盆经燃气管道与燃气控制间连接；伸缩伞机构设置于回转台上，装饰组件设置于伞骨上；控制单元分别与回转驱动机构、火炬升降机构的驱动单元、燃气控制间、火炬盆点火开关、伸缩伞驱动单元、装饰组件连接。本发明能够实现高空旋转冠状造型，具备回转、伸缩、升降、收拢、张开多方位展示功能，可附着装饰物，能够根据活动主题展示与之相关的造型，易于采购、制造及维修。 【EN】The invention relates to the field of torch mechanisms, and discloses a torch system, which comprises: the device comprises a base, a rotary table, a rotary driving mechanism, a torch lifting mechanism, a gas pipeline, a torch basin, a telescopic umbrella mechanism, a decoration assembly and a control unit; the rotary table is rotationally arranged on the base through a rotary driving mechanism; a lifting column of the torch lifting mechanism penetrates through a central opening of the rotary table and is fixed on the base, the top of the lifting column is connected with a torch basin, and the torch basin is connected with a gas control room through a gas pipeline; the telescopic umbrella mechanism is arranged on the rotary table, and the decorative component is arranged on the umbrella ribs; the control unit is respectively connected with the rotary driving mechanism, the driving unit of the torch lifting mechanism, the gas control room, the ignition switch of the torch basin, the driving unit of the telescopic umbrella and the decoration assembly. The invention can realize the high-altitude rotary crown-shaped model, has the functions of rotation, extension, lifting, folding and unfolding in multiple directions, can be attached with ornaments, can display the relevant model according to the activity theme, and is easy to purchase, manufacture and maintain.

摘要：【中文】本发明公开了一种顶推装置、水工推拉门系统及其使用方法，涉及船舶辅助设备技术领域。第一混凝土墙的一侧上设有第一止水件，第二混凝土墙靠近第一混凝土墙的一面呈斜面，第一混凝土墙和第二混凝土墙之间形成通道，推拉门滑设于通道内且一侧上设有与第一止水件相吸的第二止水件，推拉门的另一侧上设有可以沿斜面第一滑动件和第二滑动件，以辅助第一止水件与第二止水件的吸合与分离，推拉门上还设有顶推装置，用于在第一止水件与第二止水件吸合时收缩并产生一回复力，以辅助第一止水件与第二止水件之间的分离。本发明提供的顶推装置、水工推拉门系统及其使用方法，解决了在开门时由于第一止水件与第二止水件相互吸合在强行开门时易撕裂的问题。 【EN】The invention discloses a pushing device, a hydraulic sliding door system and a using method thereof, and relates to the technical field of ship auxiliary equipment. The push-pull door is provided with a pushing device and is used for retracting and generating a restoring force when the first water-stopping piece and the second water-stopping piece are attracted so as to assist the separation between the first water-stopping piece and the second water-stopping piece. The pushing device, the hydraulic sliding door system and the using method thereof solve the problem that the first water stop piece and the second water stop piece are easy to tear when the door is forcibly opened due to mutual attraction of the first water stop piece and the second water stop piece.

摘要：【中文】本发明机械舞台设备电缆滑车技术领域，具体公开了一种旋转舞台用电缆滑车，包括轨道支架、滑车轨道、滑车、牵引机构；轨道支架设置于旋转舞台外围；滑车轨道包括内径大于旋转舞台外径的螺旋式滑车轨道；螺旋式滑车轨道通过轨道支架沿旋转舞台周边上部空间布置；滑车为多台，各台滑车依次设置于螺旋式滑车轨道上；电缆沿各台滑车布置；牵引机构一端固定于旋转舞台边缘，另外一端与首台滑车连接。本发明滑车跟随舞台旋转于滑道中移动，电缆无需布设过长，适合大型旋转动力电缆、光电缆、控制电缆、通信电缆、监控电缆等的布置，滑车可以随舞台旋转自行运动，不需额外动力，解决了大型旋转舞台动力电缆、控制电缆等多股电缆旋转供电技术难题。 【EN】The invention relates to the technical field of cable pulleys of mechanical stage equipment, in particular to a cable pulley for a revolving stage, which comprises a rail bracket, a pulley rail, a pulley and a traction mechanism, wherein the pulley rail is arranged on the rail bracket; the track support is arranged at the periphery of the revolving stage; the pulley track comprises a spiral pulley track with the inner diameter larger than the outer diameter of the revolving stage; the spiral pulley rails are arranged along the upper space of the periphery of the revolving stage through the rail brackets; the number of the pulleys is multiple, and each pulley is sequentially arranged on the spiral pulley track; the cables are arranged along the pulleys; one end of the traction mechanism is fixed at the edge of the revolving stage, and the other end of the traction mechanism is connected with the first pulley. The tackle can move along with the stage rotation in the slideway, the cables do not need to be arranged too long, the tackle is suitable for arrangement of large-scale rotating power cables, optical cables, control cables, communication cables, monitoring cables and the like, the tackle can move along with the stage rotation, extra power is not needed, and the technical problem of multi-strand cable rotating power supply of the large-scale rotating stage power cables, the control cables and the like is solved.

摘要：【中文】一种隐藏式长跨距活动桥接装置及桥接方法，涉及舞台机械领域，包含两根底导轨；底盘，底盘的底面安装多个车轮和多个顶升机构；具有U形通道的外框架；外框架的后端底部铰接于底盘；U形通道底部设置中导轨；可伸缩的倾斜机构，其两端分别铰接于外框架的前端和底盘的前端；内框架，其包含横段和弯折段，横段插设于U形通道内，且其底部滚轮组；外框架和内框架的顶面均铺设面板；液压电控装置；外框架后端面板的顶面与舞台顶面搭接，弯折段前端面板的顶面与点火平台顶面搭接。本发明还公开了上述隐藏式长跨距活动桥接装置的桥接方法。本发明可高效完成舞台与点火平台的引桥任务，占用外部空间少，且可充当地面至舞台的台阶。 【EN】A hidden long-span movable bridging device and a bridging method relate to the field of stage machinery and comprise two bottom guide rails; the bottom surface of the chassis is provided with a plurality of wheels and a plurality of jacking mechanisms; an outer frame having a U-shaped channel; the bottom of the rear end of the outer frame is hinged to the chassis; a middle guide rail is arranged at the bottom of the U-shaped channel; the two ends of the telescopic tilting mechanism are respectively hinged to the front end of the outer frame and the front end of the chassis; the inner frame comprises a transverse section and a bending section, the transverse section is inserted into the U-shaped channel, and a roller group is arranged at the bottom of the transverse section; the top surfaces of the outer frame and the inner frame are both paved with panels; a hydraulic electric control device; the top surface of the rear end panel of the outer frame is lapped with the top surface of the stage, and the top surface of the front end panel of the bending section is lapped with the top surface of the ignition platform. The invention also discloses a bridging method of the hidden long-span movable bridging device. The invention can efficiently complete the bridge approach task of the stage and the ignition platform, occupies less external space and can fully reach the steps of the stage.

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.

摘要：【中文】本发明公开了一种基于UDP协议的数据流快速传输方法、系统及介质，本发明方法包括接收端每接收一个非重复数据包，记录其数据包索引并将其放入缓存，同时更新目标文件的索引位置A和C，统计TTL时间内收取的数据包数量X，且以第一周期定时扫描索引位置B、索引位置C‑X之间的索引，将该区间内未接收的包索引生成重传请求发送给发送端，将索引位置C‑X更新为新的索引位置B。本发明能在UDP协议的基础上，以最少的资源消耗，在保证数据的有效传输的同时又能动态调整进行拥塞控制，使数据能高效快速的在各种网络环境下进行传输，具有资源消耗低、数据传输速度快的优点。 【EN】The invention discloses a UDP protocol-based data stream fast transmission method, a system and a medium, wherein the method comprises the steps that a receiving end receives a non-repeated data packet, records the index of the data packet and puts the data packet into a cache, meanwhile, the index positions A and C of a target file are updated, the number X of the data packets received within TTL time is counted, the index between the index position B and the index positions C-X is scanned regularly at a first period, the index of the packet which is not received within the interval is generated into a retransmission request and sent to the sending end, and the index position C-X is updated to be a new index position B. The invention can ensure effective transmission of data and dynamically adjust to control congestion on the basis of the UDP protocol with minimum resource consumption, so that the data can be transmitted efficiently and quickly in various network environments, and the invention has the advantages of low resource consumption and high data transmission speed.