摘要：【中文】本发明公开了一种连体截水沟，其特征在于：采用成品件(球墨铸铁或钢制或化学材质)或钢筋混凝土预制件(或现场浇筑)，所述的连体截水沟为两排沟道，因两排沟道终点相通，由一根排水管道排出，故称连体截水沟，每排截水沟组成部分包括集水沟和收水箅子两部分。本发明与现有技术相比的优点在于：成品构件采用场外制作、防腐处理，现场组装，有助于对构件的制造进行科学的统筹管理，提高构件的施工质量；有助于缩短施工工期，减少对建成区交通的不利影响；预制构件采用场外预制、养护，现场组装，有助于减少施工现场混凝土的运输和搅拌；有助于对施工材料的集中、科学管理，减少施工过程中产生的环境污染。 【EN】The invention discloses a conjoined catch basin, which is characterized in that: the integral intercepting drain is called as an integral intercepting drain by adopting finished products (nodular cast iron or steel or chemical materials) or reinforced concrete prefabricated parts (or cast-in-place), wherein the integral intercepting drain is two rows of channels, and the end points of the two rows of channels are communicated and are discharged by a drainage pipeline, and each row of intercepting drain comprises a water collecting drain and a water collecting grate. Compared with the prior art, the invention has the advantages that: the finished component is manufactured outside the field, subjected to anti-corrosion treatment and assembled on the field, so that scientific overall management on the manufacturing of the component is facilitated, and the construction quality of the component is improved; the construction period is shortened, and adverse effects on the traffic of a built-up area are reduced; the prefabricated parts are prefabricated, maintained and assembled on site outside the site, so that the transportation and the stirring of concrete on the construction site are reduced; the method is beneficial to the centralized and scientific management of construction materials and reduces the environmental pollution generated in the construction process.

摘要：【中文】本发明提供一种基于磁控记忆合金的井下自动平巷装置，属于煤矿机械的技术领域，该装置包括快换机架、推平机构、松土机构、液压系统和平巷控制系统；快换机架上设置有第一连接耳，第一连接耳与运输工具通过销连接；推平机构包括位于快换机架前方的推平机架、设置在推平机架上的第一压力传感器以及连接快换机架和推平机架的连接架；松土机构位于快换机架、推平机架和连接架之间，包括第一连杆、第二连杆、第三连杆、第二压力传感器以及设置有多个耙齿的耙架；液压系统包括第一油缸、第二油缸、第一换向阀、第二换向阀、液压油箱和液压泵。本发明能更高的适应井下作业环境，提高井下作业自动化水平。 【EN】The invention provides an underground automatic roadway device based on magnetic control memory alloy, which belongs to the technical field of coal mine machinery and comprises a quick-change rack, a leveling mechanism, a soil loosening mechanism, a hydraulic system and a roadway control system; a first connecting lug is arranged on the quick-change rack and is connected with the transport tool through a pin; the push-flat mechanism comprises a push-flat rack positioned in front of the quick-change rack, a first pressure sensor arranged on the push-flat rack and a connecting rack for connecting the quick-change rack and the push-flat rack; the soil loosening mechanism is positioned among the quick-change rack, the push-flat rack and the connecting frame and comprises a first connecting rod, a second connecting rod, a third connecting rod, a second pressure sensor and a rake frame provided with a plurality of rake teeth; the hydraulic system comprises a first oil cylinder, a second oil cylinder, a first reversing valve, a second reversing valve, a hydraulic oil tank and a hydraulic pump. The invention can be more suitable for the underground operation environment and improve the automation level of the underground operation.

摘要：【中文】本发明涉及一种继电保护测试转换装置，其特征在于：所述A、B、C、D四个标准输入端子分别连接至外部交流回流电源的A、B、C、N四个端子，所述+、‑两个输出端子与所述指针表/直流电阻测试仪的指针表/直流电阻测试仪输入端子及指针表/直流电阻测试仪输出端子连接，通过六个按钮实现AN、BN、CN、AB、BC、CA六种输出。本发明设计科学合理，整个工作流程只需将四个端子与交流回流的A、B、C、N相连，输出端两个端子与指针表或直流电阻测试仪相连；通过六个按钮实现AN、BN、CN、AB、BC、CA六种情况的输出，输出方便快捷；无需频繁的插拔导线，提高工作效率，减少对交流端子排的损耗。 【EN】The invention relates to a relay protection test conversion device, which is characterized in that: a, B, C, D four standard input terminals are respectively connected to A, B, C, N four terminals of AN external alternating current backflow power supply, the +, -two output terminals are connected with the input terminal of the pointer meter/direct current resistance tester and the output terminal of the pointer meter/direct current resistance tester, and six outputs of AN, BN, CN, AB, BC and CA are realized through six buttons. The invention has scientific and reasonable design, the whole working process only needs to connect four terminals with A, B, C, N of AC reflux, two terminals of the output end are connected with a pointer meter or a DC resistance tester; the six buttons are used for outputting six conditions of AN, BN, CN, AB, BC and CA, and the output is convenient and quick; frequent plugging and unplugging of wires are not needed, the working efficiency is improved, and the loss of the alternating current terminal strip is reduced.

摘要：【中文】本发明提供了一种实验动物标记涂料及其制备方法，包括如下重量份数的原料：食品级色素0.5‑13份；有机溶剂3‑25份；成膜剂2‑20份；抑菌剂0.5‑7份；水35‑94份。本发明所述的实验动物标记涂料以天然色素为主，安全无毒，增加成膜剂能使涂料干燥后，颜色维持1‑9天时间，仍然可以辨识。 【EN】The invention provides an experimental animal marking paint and a preparation method thereof, wherein the experimental animal marking paint comprises the following raw materials in parts by weight: 0.5-13 parts of food-grade pigment; 3-25 parts of an organic solvent; 2-20 parts of a film forming agent; 0.5-7 parts of bacteriostatic agent; 35-94 parts of water. The experimental animal marking paint provided by the invention is mainly prepared from natural pigment, is safe and non-toxic, and can be identified after the paint is dried and the color is maintained for 1-9 days by adding the film forming agent.

摘要：【中文】本发明公开的一种小径薄壁钼及钼合金管的制备方法，包括以下步骤：将钼粉末或钼合金粉末压制成棒坯，再将棒坯烧结成棒材并将棒材矫直，然后钻孔制备成管状钼或钼合金，并在其内外表面涂上润滑剂，依次经温轧机送料、低温轧制、出料成型加工成管坯；置于管式退火炉中退火，之后空冷或炉冷；管坯外表面均匀涂覆润滑剂，内孔径插入金属芯棒，之间采用过度配合连接，然后烘干或自然风干；进行多道次空芯或带芯温态拉拔，得到小径薄壁钼或钼合金管。本发明得到的钼及钼合金细长薄壁管材具有表面质量好、几何尺寸精度高、力学性能优良并且便于批量化加工的特点，能有效解决钼及钼合金细长薄壁管的加工难题。 【EN】The invention discloses a preparation method of a small-diameter thin-wall molybdenum and molybdenum alloy pipe, which comprises the following steps: pressing molybdenum powder or molybdenum alloy powder into a bar blank, sintering the bar blank into a bar, straightening the bar, drilling to prepare tubular molybdenum or molybdenum alloy, coating a lubricant on the inner surface and the outer surface of the tubular molybdenum or molybdenum alloy, feeding by a warm rolling machine, rolling at low temperature, discharging, forming and processing into a tube blank; annealing in a tubular annealing furnace, and then air cooling or furnace cooling; uniformly coating a lubricant on the outer surface of the tube blank, inserting the metal core rod into the inner aperture, connecting the metal core rod and the metal core rod in an excessive fit manner, and then drying or naturally air-drying; and performing multi-pass hollow or cored warm drawing to obtain the small-diameter thin-wall molybdenum or molybdenum alloy pipe. The molybdenum and molybdenum alloy thin and long thin-walled tube obtained by the invention has the characteristics of good surface quality, high geometric dimension precision, excellent mechanical property and convenience for batch processing, and can effectively solve the processing problem of the molybdenum and molybdenum alloy thin and long thin-walled tube.

摘要：【中文】本发明属于煤矿井下无轨胶轮辅助作业车辆的技术领域，具体是一种基于防爆柴油机动力轮式铰接底盘的煤矿用多功能巷修机。包括铰接底盘、多功能工作部以及辅助支撑部，多功能工作部包括工作机构和多自由度机械臂；铰接底盘包括前机架总成和后机架总成，后机架总成上安装有传动系统、液压系统、电气系统、防爆柴油机系统和气动系统；辅助支撑部包括后支撑总成和铲推机构；工作机构与多自由度机械臂通过螺栓组固定连接，多自由度机械臂与前机架总成固定连接，前机架总成与后机架总成铰接，前机架总成与后机架总成间布置有可拆卸的锁车杆，防爆柴油机系统与后机架总成固定连接，后机架总成与后支撑总成固定连接，铲推机构与前机架总成铰接。 【EN】The invention belongs to the technical field of trackless rubber-tyred auxiliary operation vehicles in coal mines, and particularly relates to a multifunctional roadway repairing machine for a coal mine based on an explosion-proof diesel engine power-wheel type hinged chassis. The multifunctional working part comprises a working mechanism and a multi-degree-of-freedom mechanical arm; the hinged chassis comprises a front frame assembly and a rear frame assembly, and a transmission system, a hydraulic system, an electrical system, an explosion-proof diesel engine system and a pneumatic system are arranged on the rear frame assembly; the auxiliary supporting part comprises a rear supporting assembly and a shoveling and pushing mechanism; the working mechanism is fixedly connected with the multi-degree-of-freedom mechanical arm through a bolt group, the multi-degree-of-freedom mechanical arm is fixedly connected with the front rack assembly, the front rack assembly is hinged with the rear rack assembly, a detachable vehicle locking rod is arranged between the front rack assembly and the rear rack assembly, the explosion-proof diesel engine system is fixedly connected with the rear rack assembly, the rear rack assembly is fixedly connected with the rear support assembly, and the shoveling and pushing mechanism is hinged with the front rack assembly.

摘要：【中文】本发明公开了一种井下无轨辅助运输车辆的行车安全防护装置，通过设置在车辆制动系统中增添设置气控换向阀，确保执行机构只有在车辆处于制动状态时才能进行操作，行车过程中，即使不慎触碰了操作按钮，执行机构也不会有动作。同时为避免驾驶人员没有关好车门的情况下就挂挡行车，在挂挡回路中增加了相应的保护装置，只有在驾驶室门关上后，会触发门闭锁阀动作，从而控制挂挡回路生效，实现挂挡行车。在井下无轨辅助运输车辆上增加该套行车安全防护装置后，可有效提高车辆的安全行驶性能，对降低车辆运行事故有重要作用，对保障井下作业人员的人身安全有积极意义。 【EN】The invention discloses a driving safety protection device of an underground trackless auxiliary transport vehicle, which is characterized in that a pneumatic control reversing valve is additionally arranged in a vehicle braking system to ensure that an actuating mechanism can be operated only when the vehicle is in a braking state, and the actuating mechanism does not act even if an operating button is touched carelessly in the driving process. Meanwhile, in order to avoid the situation that a driver does not put into gear to drive under the condition that the vehicle door is not well closed, a corresponding protection device is additionally arranged in the gear-engaging loop, and only after the driver closes the door, the door locking valve can be triggered to act, so that the gear-engaging loop is controlled to take effect, and the gear-engaging drive is realized. After the set of driving safety protection device is added to the underground trackless auxiliary transport vehicle, the safe driving performance of the vehicle can be effectively improved, the driving safety protection device plays an important role in reducing vehicle operation accidents, and has positive significance in guaranteeing the personal safety of underground operation personnel.