摘要：【中文】本申请属于航空发动机试验技术领域，具体涉及一种航空推力矢量发动机地面试车方法。所述方法包括：获取航空发动机的空中工况的第一油门杆位置载荷谱、第一偏转角载荷谱及第一方位角载荷谱；将第一方位角载荷谱在时间轴上划分为若干任务段；确定各任务段的地面试验偏转方位角，由此形成第二方位角载荷谱；将第一油门杆位置载荷谱及第一偏转角载荷谱进行任务段划分；确定由各任务段的地面试验的油门杆位置构成的第二油门杆位置载荷谱；计算空中工况下的矢量喷管侧向推力；根据矢量喷管侧向推力及第二油门杆位置载荷谱计算地面试验的第二偏转角载荷谱；根据第二油门杆位置载荷谱、第二偏转角载荷谱及第二方位角载荷谱进行矢量发动机地面试车试验。 【EN】The application belongs to the technical field of aero-engine tests, and particularly relates to a ground test run method of an aero-thrust vector engine. The method comprises the following steps: acquiring a first throttle lever position load spectrum, a first deflection angle load spectrum and a first azimuth angle load spectrum of an aerial working condition of the aircraft engine; dividing the first azimuth load spectrum into a plurality of task segments on a time axis; determining a ground test deflection azimuth angle of each task segment, thereby forming a second azimuth load spectrum; performing task segment division on the first throttle lever position load spectrum and the first deflection angle load spectrum; determining a second throttle lever position load spectrum formed by the throttle lever positions of the ground tests of each task segment; calculating the lateral thrust of the vectoring nozzle under the air working condition; calculating a second deflection angle load spectrum of the ground test according to the lateral thrust of the vectoring nozzle and the load spectrum of the position of the second throttle lever; and performing a vector engine ground test according to the second throttle lever position load spectrum, the second deflection angle load spectrum and the second azimuth angle load spectrum.

摘要：【中文】一种高温金属3D打印机窗口镜结构，支撑环的右边成型有第四进气管、第五进气管和第六进气管，第四进气管、第五进气管和第六进气管均与右进气管相通接；支撑环的中心孔的内壁上成型有台阶，窗口镜夹持在台阶与压板之间，压板通过螺钉固定在支撑环上，接盘通过螺钉固定在支撑环的下端且置于箱体中，接盘的外径面与支撑环之间形成通气通道，接盘的外径面上成型有气槽，通气通道与气槽相通接，接盘的中心孔与窗口镜相对；它可以对窗口镜在水冷降温的同时也进行气冷降温，确保窗口镜在高温环境下正常工作。扫描振镜也不会因为温度过高而无法正常工作。 【EN】A high-temperature metal 3D printer window mirror structure is characterized in that a fourth air inlet pipe, a fifth air inlet pipe and a sixth air inlet pipe are formed on the right side of a support ring, and the fourth air inlet pipe, the fifth air inlet pipe and the sixth air inlet pipe are communicated with a right air inlet pipe; the inner wall of the central hole of the support ring is formed with steps, the window mirror is clamped between the steps and the pressing plate, the pressing plate is fixed on the support ring through screws, the flange is fixed at the lower end of the support ring through screws and is arranged in the box body, a ventilation channel is formed between the outer diameter surface of the flange and the support ring, an air groove is formed on the outer diameter surface of the flange, the ventilation channel is communicated with the air groove, and the central hole of the flange is opposite to the window mirror; the window mirror cooling device can cool the window mirror in a water cooling mode and cool the window mirror in an air cooling mode, and normal work of the window mirror in a high-temperature environment is guaranteed. The scanning galvanometer cannot work normally due to overhigh temperature.

摘要：【中文】一种高温金属3D打印机，保护镜和扫描振镜均固定在箱体上，保护镜上的激光从热反罩上的热反罩孔中穿过，保护镜与成型缸相对；底板的下部固定有第一外罩，成型缸的外部固定有加热丝，第一外罩与成型缸之间填充有保温体，成型缸的出口露出第一外罩的外表面，活塞插套在成型缸中，基板固定在活塞的上端，活塞的下端固定有接管，托板挡在接管的出口处，第一电机的转轴上固定有第一丝杆，第一丝杆与托板螺接在一起；它结构简单，驱动装置置于高温箱体外，能将成形缸最高加热至550℃，对金属粉末进行整体加热预热。 【EN】A high-temperature metal 3D printer is characterized in that a protective mirror and a scanning galvanometer are fixed on a box body, laser on the protective mirror penetrates through a hot reflecting cover hole in a hot reflecting cover, and the protective mirror is opposite to a forming cylinder; a first outer cover is fixed on the lower portion of the bottom plate, a heating wire is fixed on the outer portion of the forming cylinder, a heat insulator is filled between the first outer cover and the forming cylinder, an outlet of the forming cylinder is exposed out of the outer surface of the first outer cover, the piston is inserted in the forming cylinder, the base plate is fixed at the upper end of the piston, a connecting pipe is fixed at the lower end of the piston, the supporting plate is blocked at the outlet of the connecting pipe, a first lead screw is fixed on a rotating shaft of the first motor, and the first lead screw is in threaded connection with the supporting plate; the device has simple structure, and the driving device is arranged outside the high-temperature box body and can heat the forming cylinder to 550 ℃ at most to integrally heat and preheat the metal powder.

摘要：【中文】改善增材制造金属组织与性能的微锻造装置，托板插套在基座的基座插槽中，托板的下端与第二支架固定在一起，第二支架为框形支架且具有上架板和下架板，振动架成型有方形的振动架中心孔，打印头的下部置于振动架中心孔中；轴箱通过螺钉与振动架固定在一起，振动架的下部焊接或通过螺钉固定有第三支架，第三支架的下部焊接或通过螺钉固定有安装板，安装板的下部焊接或通过螺钉固定有锻锤，打印头的下部伸入第三支架、安装板和锻锤的中心孔，第三支架为圆筒状，安装板为环片状；它对打印头打印成型的工件直接跟随进行快速锻打，加工出的产品质量比直接锻造的产品的硬度和强度经检测要好。 【EN】A micro forging device for improving the metal structure and performance of additive manufacturing is characterized in that a supporting plate is inserted and sleeved in a base inserting groove of a base, the lower end of the supporting plate is fixed with a second support, the second support is a frame-shaped support and is provided with an upper frame plate and a lower frame plate, a square vibration frame center hole is formed in a vibration frame, and the lower portion of a printing head is arranged in the vibration frame center hole; the axle box is fixed with the vibration frame through a screw, the lower part of the vibration frame is welded or fixed with a third bracket through a screw, the lower part of the third bracket is welded or fixed with a mounting plate through a screw, the lower part of the mounting plate is welded or fixed with a forging hammer through a screw, the lower part of the printing head extends into central holes of the third bracket, the mounting plate and the forging hammer, the third bracket is cylindrical, and the mounting plate is annular; the rapid forging method is used for rapidly forging a workpiece printed and formed by the printing head directly, and the quality of the processed product is better than that of a directly forged product in hardness and strength through detection.

摘要：【中文】本发明提供一种自然降解环保钻井液，其组分按重量比为：泥页岩抑制剂3.0％－7.0％、天然防塌剂1.0％‑3.0％、天然封堵剂1.0％‑5.0％、天然提粘切剂0.3％—0.5％、天然降失水剂1.5％－3％、润滑剂0.5％－4.0％、聚羟甲基羟乙基硅氧烷0.1％－0.3％、抗氧剂0.02％－0.07％，余量为水。本发明可应用于长庆区域探井、特殊工艺井、水平井的安全钻井、完井施工，具备稳定井壁、防漏堵漏、携砂悬砂、井眼净化、保护储层、保护环境六大功能，它无生物毒性、无化学毒性、可生物降解属于环保型，防塌能力强，封堵效果良好，可有效降低地层坍塌能力，泥饼光滑致密类似膜状，润滑性良好，对低孔低渗低丰度油藏低伤害，配方、配浆工艺简便易行的特点。 【EN】The invention provides a naturally-degradable environment-friendly drilling fluid which comprises the following components in parts by weight: 3.0 to 7.0 percent of shale inhibitor, 1.0 to 3.0 percent of natural anti-collapse agent, 1.0 to 5.0 percent of natural blocking agent, 0.3 to 0.5 percent of natural viscosity-raising and cutting agent, 1.5 to 3 percent of natural fluid loss additive, 0.5 to 4.0 percent of lubricant, 0.1 to 0.3 percent of polyhydroxy methyl hydroxyethyl siloxane, 0.02 to 0.07 percent of antioxidant and the balance of water. The invention can be applied to safe drilling and well completion construction of exploration wells, special process wells and horizontal wells in Changqing areas, has six functions of stabilizing well walls, preventing leakage and stopping leakage, carrying sand and suspending sand, purifying well bores, protecting reservoir beds and protecting environment, has no biotoxicity and chemical toxicity, is biodegradable, belongs to environment protection, has strong anti-collapse capability and good blocking effect, can effectively reduce the stratum collapse capability, has a mud cake which is smooth and compact and is similar to a film shape, has good lubricity, has low damage to low-porosity low-permeability low-abundance oil reservoirs, and has the characteristics of simple and easy operation of formula and slurry preparation process.

摘要：【中文】本发明公开了一种用于海绵城市的高滤水净水结构，包括筒体，所述筒体上下端面为开口结构，所述筒体内部滑动配合有活塞块，所述活塞块上侧的筒体内壁设有固定块，所述固定块的数量不少于两个，且阵列分布在筒体内壁，每个所述固定块与活塞块之间通过复位弹簧连接固定；所述活塞块下端设有环状的安装槽，安装槽中配合设有缓存筒，所述缓存筒上端通过转动轴承转动设置在活塞块下端，所述缓存筒内部设有用于对雨水进行过滤的过滤组件，本发明针对现有装置的弊端进行设计，防止杂质平铺在过滤面上，保证了持久的过滤效果，还可以自动提醒工作人员维护，实用性强。 【EN】The invention discloses a high-filtration water purification structure for sponge cities, which comprises a cylinder body, wherein the upper end surface and the lower end surface of the cylinder body are of an open structure, a piston block is slidably matched in the cylinder body, the inner wall of the cylinder body on the upper side of the piston block is provided with at least two fixed blocks, the fixed blocks are distributed on the inner wall of the cylinder body in an array manner, and each fixed block is fixedly connected with the piston block through a return spring; the rainwater filtering device is designed aiming at the defects of the existing device, so that impurities are prevented from being flatly laid on a filtering surface, a lasting filtering effect is ensured, a worker can be automatically reminded to maintain, and the practicability is high.