摘要：【中文】本发明属于一种汽车倒车影像线束线漏气检测治具，包括底板（1），其特征在于底板（1）的左端上面固定一个安全罩（3），安全罩（3）内装有密封治具（2），安全罩（3）下面的底板（1）上固定一个底板二（19），底板二（19）上面固定一个垫板（20），在垫板（20）上装有一个气缸一（18），气缸一（18）的两个活塞杆端头固定一个压板一（17）和固定在一起的橡胶垫一（16），端子充气机治具座（6）用螺丝压板（5）穿过通孔（11）固定在底板（1）上；线束（14）另一端与插座（15）连接，充气治具（8）在滑道（7）左右移动。本发明实现了对汽车倒车影像线束线漏气的检测机械化，检测精确，效率高，解决了操作人员的劳动强度。 【EN】The invention belongs to an automobile reversing image wire harness air leakage detection jig which comprises a bottom plate (1) and is characterized in that a safety cover (3) is fixed on the upper surface of the left end of the bottom plate (1), a sealing jig (2) is installed in the safety cover (3), a second bottom plate (19) is fixed on the bottom plate (1) below the safety cover (3), a base plate (20) is fixed on the second bottom plate (19), a first air cylinder (18) is installed on the base plate (20), a first pressing plate (17) and a first rubber pad (16) which are fixed together are fixed on the end heads of two piston rods of the first air cylinder (18), and a terminal inflator jig seat (6) penetrates through a through hole (11) by a screw pressing plate (5) and is fixed on the bottom plate (1); the other end of the wire harness (14) is connected with the socket (15), and the inflatable jig (8) moves left and right on the slide rail (7). The invention realizes the mechanization of the detection of the air leakage of the automobile reversing image wire harness, has accurate detection and high efficiency, and solves the labor intensity of operators.

摘要：【中文】本公开提供了一种主索鞍及其焊接方法，属于桥梁工程技术领域。将鞍头设置为只包括U型主体，可以对鞍头进行完全探伤，保证鞍头的质量。鞍体的长度方向平行于U型主体长度方向的两个纵筋板连接底板与U型主体，纵筋板垂直底板可以对U型主体进行良好支撑，鞍体的多个横筋板平行相对地依次垂直设置在底板上，每个横筋板远离底板的一端上的U型槽均与U型主体的外壁贴合固定，U型主体能够被多个横筋板上的U型槽进行良好支撑与固定，多个横筋板均与两个纵筋板相交，鞍体的强度足够，能够对U型主体进行支撑并承受来自缆绳上的不同方向的作用力，保证最终得到的主索鞍的质量。 【EN】The disclosure provides a main cable saddle and a welding method thereof, and belongs to the technical field of bridge engineering. The saddle head is set to only comprise a U-shaped main body, so that the saddle head can be subjected to complete flaw detection, and the quality of the saddle head is ensured. The length direction of the saddle body is parallel to two longitudinal rib plates of the length direction of the U-shaped main body to connect the bottom plate with the U-shaped main body, the vertical bottom plate of the longitudinal rib plate can well support the U-shaped main body, a plurality of transverse rib plates of the saddle body are parallelly and vertically arranged on the bottom plate in sequence relatively, one end of each transverse rib plate far away from the bottom plate is provided with a U-shaped groove which is fixed with the outer wall of the U-shaped main body in a laminating manner, the U-shaped main body can be well supported and fixed by the U-shaped grooves on the transverse rib plates, the transverse rib plates are intersected with the two longitudinal rib plates, the strength of the saddle body is enough, the U-shaped main body can be supported and bear acting forces from different directions on a cable rope, and the.

摘要：【中文】本发明公开一种N,N,N'‑三甲基双(氨基乙基)醚的制备方法，临氢条件下，以2‑[2‑(二甲基氨基)乙氧基]乙醇和一甲胺为原料在催化剂存在下发生反应制备N,N,N'‑三甲基双(氨基乙基)醚，并联产甲基吗啉和双(2‑二甲氨基乙基)醚；所述催化剂为负载型多相催化剂，包括主活性组分、助剂、功能元素N和载体。本发明催化反应工艺过程简单，反应条件温和、流程操作方便、体系稳定，连续生产工艺，产品与催化剂分离简单，降低了一次性投资成本和后续分离成本，易于实现大规模连续工业化生产。 【EN】The invention discloses a preparation method of N, N, N '-trimethyl bis (aminoethyl) ether, which comprises the steps of reacting 2- [2- (dimethylamino) ethoxy ] ethanol and monomethylamine as raw materials in the presence of a catalyst to prepare the N, N, N' -trimethyl bis (aminoethyl) ether under the hydrogen condition, and co-producing methylmorpholine and bis (2-dimethylaminoethyl) ether; the catalyst is a supported heterogeneous catalyst and comprises a main active component, an auxiliary agent, a functional element N and a carrier. The invention has the advantages of simple catalytic reaction process, mild reaction conditions, convenient flow operation, stable system, continuous production process, simple separation of products and catalysts, reduction of one-time investment cost and subsequent separation cost, and easy realization of large-scale continuous industrial production.

摘要：【中文】本发明涉及一种丝绸展览用的双面投影系统，应用在展览投影技术领域，其包括投影仪和纱幕，还包括投影架，投影架包括承载板、设置在承载板上的两个升降筒和滑动连接在两个升降筒内的第一支撑杆，两个第一支撑杆上均铰接有第二支撑杆，两个第二支撑杆通过基板连接，基板上转动连接有用于缠绕纱幕的辊筒，基板上安装有伺服电机，伺服电机的电机轴与辊筒同轴连接，投影仪连接在基板上。本发明具有方便投影系统安装的效果。 【EN】The invention relates to a double-sided projection system for silk exhibition, which is applied to the technical field of exhibition projection and comprises a projector and a screen, and further comprises a projection frame, wherein the projection frame comprises a bearing plate, two lifting cylinders arranged on the bearing plate and first support rods connected in the two lifting cylinders in a sliding manner, the two first support rods are respectively hinged with a second support rod, the two second support rods are connected through a substrate, a roller for winding the screen is rotatably connected to the substrate, a servo motor is arranged on the substrate, a motor shaft of the servo motor is coaxially connected with the roller, and the projector is connected to the substrate. The invention has the effect of facilitating the installation of the projection system.

摘要：【中文】本发明公开了一种仿古建筑及其制备方法，其技术要点包括窗框、窗扇、转基轴、缓冲基块、缓冲拉绳和固连组件，所述窗框两水平框的相对侧壁两端设置有转槽，所述转基轴转动设置在转槽内且沿竖直方向伸出转槽，所述窗扇转动设置在两沿竖直方向相对的转基轴上，所述窗框的水平框设置有与转槽一一对应的缓冲腔，所述缓冲腔与转槽的水平两端相通设置，所述缓冲基块分别固定设置在缓冲腔位于转槽两侧的腔室内，所述缓冲拉绳为弹性绳且固定设置在缓冲基块和转基轴之间，所述固连组件设置在窗扇上且与用于在转基轴轴向上相对固定转基轴和窗扇。本发明可以有效降低意外撞击对窗扇和窗框的损坏，提高仿古建筑窗的使用寿命。 【EN】The invention discloses an antique building and a preparation method thereof, and the antique building comprises a window frame, window sashes, rotating base shafts, buffering base blocks, buffering pull ropes and a fixed connection assembly, wherein rotating grooves are formed in two ends of opposite side walls of two horizontal frames of the window frame, the rotating base shafts are rotatably arranged in the rotating grooves and extend out of the rotating grooves along the vertical direction, the window sashes are rotatably arranged on the two rotating base shafts opposite along the vertical direction, the horizontal frames of the window frame are provided with buffering cavities corresponding to the rotating grooves one by one, the buffering cavities are communicated with the two horizontal ends of the rotating grooves, the buffering base blocks are respectively and fixedly arranged in cavities of the buffering cavities at two sides of the rotating grooves, the buffering pull ropes are elastic ropes and are fixedly arranged between the buffering base blocks and the rotating base shafts, and the fixed connection assembly is arranged on the window sashes and is used for relatively fixing the rotating base shafts and the window sashes in the axial direction of the. The invention can effectively reduce the damage of accidental impact on the window sash and the window frame and prolong the service life of the archaized building window.

摘要：【中文】本发明公开一种异己二醇的合成方法，以二丙酮醇和氢气为原料在催化剂存在下发生加氢反应制备异己二醇，所述催化剂是由活性组分和载体组成的负载型双组分多相催化剂，催化剂的第一活性组分为Ni或Cu，催化剂的第二活性组分为Rh、Au、Re、La、Co、Mn或Ag中的一种，载体为活性炭、白炭黑、气相氧化铝中的一种或两种以上。本发明在催化二丙酮醇加氢制备异己二醇反应中使用特制的催化剂，所述催化剂具有极高的稳定性和催化活性，异己二醇的产率高，活性组分利用率高，实现了无需添加保护剂，在温和反应条件下就可以达到100％转化率和99.9％选择性，且连续稳定500小时并未出现催化剂明显失活。 【EN】The invention discloses a method for synthesizing isohexane glycol, which takes diacetone alcohol and hydrogen as raw materials to carry out hydrogenation reaction in the presence of a catalyst to prepare the isohexane glycol, wherein the catalyst is a supported double-component heterogeneous catalyst consisting of an active component and a carrier, the first active component of the catalyst is Ni or Cu, the second active component of the catalyst is one of Rh, Au, Re, La, Co, Mn or Ag, and the carrier is one or more than two of active carbon, white carbon black and gas phase alumina. The special catalyst is used in the reaction for preparing the isohexide by catalyzing the hydrogenation of the diacetone alcohol, the catalyst has extremely high stability and catalytic activity, the yield of the isohexide is high, the utilization rate of active components is high, the 100 percent conversion rate and 99.9 percent selectivity can be achieved under mild reaction conditions without adding a protective agent, and the catalyst is continuously stable for 500 hours and is not obviously deactivated.

摘要：【中文】本发明公开了一种卷筒制动盘的加工装置和加工方法，属于机械加工领域。加工装置包括砂轮、第二电机、固定座、滑块、丝杠、手柄和基座；基座上设有直线导轨和挡板，挡板上设有通孔，通孔的延伸方向与直线导轨的延伸方向平行；滑块可滑动地设置在直线导轨上，滑块上设有螺孔，螺孔的轴线与通孔的轴线重合；丝杠的第一端穿过螺孔并与滑块螺纹连接，丝杠的第二端穿过通孔并与手柄固定连接；固定座固定在滑块上，电机固定在固定座上，砂轮与电机传动连接，砂轮的轴线与直线导轨的延伸方向平行。本发明有利于制动盘达到验收要求。 【EN】The invention discloses a machining device and a machining method for a winding drum brake disc, and belongs to the field of machining. The processing device comprises a grinding wheel, a second motor, a fixed seat, a sliding block, a lead screw, a handle and a base; the base is provided with a linear guide rail and a baffle, the baffle is provided with a through hole, and the extending direction of the through hole is parallel to the extending direction of the linear guide rail; the sliding block is slidably arranged on the linear guide rail, a screw hole is formed in the sliding block, and the axis of the screw hole is overlapped with the axis of the through hole; the first end of the screw rod penetrates through the screw hole and is in threaded connection with the sliding block, and the second end of the screw rod penetrates through the through hole and is fixedly connected with the handle; the fixing base is fixed on the slider, and the motor is fixed on the fixing base, and the emery wheel is connected with motor drive, and the axis of emery wheel is parallel with linear guide's extending direction. The invention is beneficial to the brake disc to meet the acceptance requirement.

摘要：【中文】本发明公开了一种磁悬浮轨道梁后浇段钢筋套筒连接结构及连接工艺，设置在两个轨道梁之间，包括若干个设置在轨道梁底部内侧面上的套筒和设置在套筒内的钢筋，钢筋的长度小于轨道梁与轨道梁的间距且大于轨道梁与轨道梁间距的二分之一，轨道梁与轨道梁的底部之间浇筑有混凝土层。本发明的有益效果是：本方案预制的轨道梁上不需要在连接处预埋钢筋，能够提高轨道梁预制的效率，缩短轨道梁的生产周期，并且使轨道梁便于运输，而有利于降低运输成本，后期不需要再进行钢筋定位、调直等工作，不会对轨道梁的表面造成破坏。 【EN】The invention discloses a post-cast section steel bar sleeve connecting structure and a post-cast section steel bar sleeve connecting process of a magnetic suspension track beam, wherein the steel bar sleeve connecting structure is arranged between two track beams and comprises a plurality of sleeves arranged on the inner side surfaces of the bottoms of the track beams and steel bars arranged in the sleeves, the length of the steel bars is smaller than the distance between the track beams and is larger than one half of the distance between the track beams, and a concrete layer is poured between the track beams and the bottoms of the track beams. The invention has the beneficial effects that: the prefabricated efficiency of track roof beam can be improved to the pre-buried reinforcing bar of junction that need not be on this scheme prefabricated track roof beam to make the track roof beam be convenient for transport, and be favorable to reducing the cost of transportation, work such as reinforcing bar location, alignment need not carry on again in the later stage, can not lead to the fact destruction to the surface of track roof beam.

摘要：【中文】本发明公开一种催化剂，主活性组分为Cu、Ni中的一种或两种，助剂为Au、Pt、Ru、Al、Re、B、Mg、Rh、Ir、Mn、La、Pd、Ag、Li、Cr、Ce中的一种或两种以上的单质或氧化物，载体为活性炭、氧化硅、氧化铝、石墨、分子筛、硅藻土、碳纳米管中的一种或两种以上。本发明还公开了其制备和应用。本发明催化剂具有高的转化率、选择性及优异的活性、稳定性等性能。本发明首次利用3‑(3,5‑二叔丁基‑4‑羟基苯基)丙酸甲酯加氢制备3‑(3,5‑二叔丁基‑4‑羟基苯基)丙醇，通过制备的催化剂实现了在温和条件下可以达到高转化率和选择性的目的。 【EN】The invention discloses a catalyst, wherein the main active component is one or two of Cu and Ni, the auxiliary agent is one or more than two simple substances or oxides of Au, Pt, Ru, Al, Re, B, Mg, Rh, Ir, Mn, La, Pd, Ag, Li, Cr and Ce, and the carrier is one or more than two of active carbon, silicon oxide, alumina, graphite, molecular sieve, diatomite and carbon nano tube. The invention also discloses a preparation method and application thereof. The catalyst has the advantages of high conversion rate, high selectivity, excellent activity, excellent stability and the like. The invention prepares the 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propanol by hydrogenating the 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) methyl propionate for the first time, and the purposes of high conversion rate and selectivity under mild conditions are realized by the prepared catalyst.

摘要：【中文】本发明公开了一种二苯甲酮加氢制备二苯甲醇的方法，采用负载型多相催化剂，包括质量百分含量为0.1‑60％的主活性组分、质量百分含量为0％‑15％的助剂、余量为载体；所述主活性组分为Cu、Ni、Co中的一种或两种以上，助剂为Pd、Pt、Ru、Rh、Ir、Au、Re、Al、B、Cr、Mg、Mn、La、Ag、Li、Zn和Ce中的一种或两种以上的单质或氧化物，载体为活性炭、氧化硅、氧化铝、氧化钛、分子筛、硅藻土、氧化锆中的一种或两种以上。本发明以廉价金属为主活性组分，降低了催化剂成本，二苯甲醇制备过程中无需添加保护剂，温和条件下即可达到优异转化率和选择性，催化剂制备方法简单，易于实现大规模工业化生产。 【EN】The invention discloses a method for preparing benzhydryl alcohol by benzophenone hydrogenation, which adopts a load type heterogeneous catalyst, and comprises 0.1-60% of main active component by mass, 0-15% of auxiliary agent by mass and the balance of carrier; the main active component is one or more than two of Cu, Ni and Co, the auxiliary agent is one or more than two simple substances or oxides of Pd, Pt, Ru, Rh, Ir, Au, Re, Al, B, Cr, Mg, Mn, La, Ag, Li, Zn and Ce, and the carrier is one or more than two of active carbon, silicon oxide, aluminum oxide, titanium oxide, molecular sieve, diatomite and zirconium oxide. The invention takes cheap metal as a main active component, reduces the cost of the catalyst, does not need to add a protective agent in the preparation process of the benzhydrol, can achieve excellent conversion rate and selectivity under mild conditions, has simple preparation method of the catalyst, and is easy to realize large-scale industrial production.