50results about How to "Shorten the processing period" patented technology

A method for fabricating a conductive yarn includes the steps of: moistening a preformed yarn with a conductive slurry to prepare the preformed yarn absorbed with the conductive slurry; and drying the preformed yarn absorbed with the conductive slurry. The conductive slurry includes a conductive nanometer structure, a solvent, and a resin component. The conductive nanometer structure has an aspect ratio sufficient to permit binding of the conductive nanometer structure to the preformed yarn.

The invention relates to a mobile lifting combined measuring point frame device, which is characterized by consisting of six mobile lifting frames and one vertical measuring point frame, wherein the vertical measuring point frame is placed on the six mobile lifting frames respectively. The mobile lifting combined measuring point frame device has the advantages that: 1, high-quality horizontal auxiliary reference measuring frames can be rapidly established at the periphery of the product; 2, according to the technical requirements of European Union (EU) manufacture measurement, the mobile lifting frames can be combined optionally and reused and has simple operation and beautiful appearance; 3, the waste of labor and materials can be reduced; and 4, the device not only meets the measuring requirements of different companies in EU on the preassembly of a spiral water-cooled wall, but also overcomes the restriction of adverse factors, such as the production field and the manufacturing period of the company and the like.

The invention provides a vertical lathe special for machining a large-diameter shield body and relates to the field of shield machine devices. The vertical lathe special for machining the large-diameter shield body comprises a working table supporting plate, a working table installed on the working table supporting plate in a rotating manner, a supporting base in an inverted circular truncated cone shape, multiple shield body supporting stand columns arranged at intervals in the peripheral direction of the working table, a machining tool, and a feeding assembly used for driving the machining tool to be lifted and moving in the horizontal straight line, wherein the supporting base is detachably connected to the working table. The feeding assembly is arranged to be detachably connected to the top edge of the working table or the top edge of the supporting base. A revolution assembly used for driving the working table to rotate is further connected to the working table. According to the vertical lathe special for machining the large-diameter shield body, all the shield body is machined in place through one-time clamping, potential safety hazards caused to the large-diameter shield body due to multiple times of clamping are avoided, machining precision can be improved, and the earlier and middle shield machining period of the large-diameter shield body is shortened.

The invention discloses a processing method of a machine tool mobile support cross beam shaft, the machine tool mobile support cross beam shaft and a special clamp of the machine tool mobile support cross beam shaft. The processing method is characterized in that a side surface of a cross beam shaft is provided with a groove which is parallel to the axis and is used for supporting a guide rail; the cross beam shaft with the groove is arranged into the special clamp and the axis is allowed to be horizontal; a side clamp plate of the special clamp corresponding to the groove of the cross beam shaft is provided with a plurality of pairs of guide rail clamp blocks which are subject to standard horizontal correction; a guide rail is inserted into a travel cavity of the guide rail clamp block and a receiving cavity of the groove; the guide rail is fixed on the cross beam shaft through fasteners and the guide rail is allowed to be horizontal; and the special clamp is dismounted so that the cross beam shaft with the guide rail is obtained. According to the invention, the flatness and the parallelism of the guide rail of the processed mobile support cross beam shaft can be guaranteed, templated manufacture and repeated and convenient precision processing are realized, a corresponding processing cost is greatly reduced, a processing period is shortened, and stocks are reduced. The machine tool mobile support cross beam shaft disclosed herein is especially suitable for precision, light-load and long-axis occasions.

The invention discloses a pipeline sliding bed for emergency evacuation in high-rise fire and earthquakes. The pipeline sliding bed comprises an escape pipeline and sliding bed bodies, wherein the escape pipeline is arranged on the outer side of a building wall, and the sliding bed bodies are arranged in the escape pipeline; the escape pipeline is arranged on cross beams extending out of the building wall and is formed by front-and-back butt joint of an arc-shaped pipeline, a buffering pipeline and a plurality of straight-through pipelines, and the escape pipeline can be spirally wound aroundthe periphery of the building wall from the ground to the top layer at a gradient of 60 degrees; and each section of straight-through pipeline corresponds to a floor of a building, and pipeline inletsare formed in the straight-through pipelines; and the sliding bed bodies are arranged in the lower portions inside the arc-shaped pipeline, the buffering pipeline and the straight-through pipelines,and escaping people can enter the sliding bed bodies in the escape pipeline through the pipeline inlets. The sliding bed has the advantages that the structure is simple, the escaping people in the high-rise building can rapidly and timely escape from disaster scenes without assistance, the out-of-danger time is greatly saved, and the casualties caused by waiting for rescue are reduced.

The invention relates to a steel channel sleeve restraining linear pure steel buckling restrained brace and a manufacturing method thereof. The steel channel sleeve restraining linear pure steel buckling restrained brace comprises a core plate with a linear cross section, a non-adhesive material layer, a periphery restraining sleeve and a belly steel plate, wherein the section of the periphery restraining sleeve is a vertical section which is a steel channel, and the belly steel plate is a section with the interior being a rectangle, and the section is formed by a common steel plate; the core plate is retracted by 5 mm in the height direction from the variable cross section of the end to the internal length range of the periphery restraining sleeve, a 10-20 mm long steel plate is welded to the outer side of the end steel channel of the periphery restraining sleeve, the exterior of the core plate is wrapped in the non-adhesive material layer, and a plug welding hole is formed in the belly steel plate of the periphery restraining sleeve corresponding to the center position of the core plate so that the belly steel plate and the periphery restraining sleeve can be connected together in a welded mode. According to the steel channel sleeve restraining linear pure steel buckling restrained brace, due to the fact that the two sides of the core plate are clamped in steel channel sleeve belly plate restraining pieces respectively and face contact restraining is achieved, the anti-local-bending capacity of core materials is improved and utilized, filling of restraining materials is not needed, dead loads are greatly reduced, the steel material utilization rate is high, and therefore high economical efficiency is achieved.

The invention discloses a nuclear power generator sealing pad machining method. The nuclear power generator sealing pad machining method comprises the following steps: S1, preparing an arc-shaped piece according to the radian of a sealing pad to serve as a datum reference tool; S2, the datum reference tool is horizontally placed and fixed to a lathe and aligned, and one plane of the datum reference tool faces upwards to serve as a fixed surface; and S3, four pad blocks of the sealing pad are sequentially fixed to the datum reference tool, the end surface of the datum reference tool serves as a datum reference surface, the end surfaces of the pad blocks are milled, and the pad blocks with the preset arc length are obtained. According to the nuclear power generator sealing pad machining method, the datum reference tool is arranged as the machining datum of the pad, the machining accuracy of the end surfaces of the pad is improved, and the problems of incomplete contact and opening of the butt joint of the end surfaces of the pad are solved; and the deviation of the inner diameter of the circumference of the whole ring of the machined sealing pad is minimum, repeated machining is avoided, and manpower and lathe resource consumption are greatly reduced; and the machining period of the sealing pad is shortened.

The invention aims to provide a balance weight assembly fixture for machining guide vanes with multiple specifications. The balance weight assembly fixture for machining guide vanes with the multiplespecifications is composed of balance weight brackets, a balance weight pressing block, a balance weight locking part and the like. The assembly angle and position of the fixture are adjusted with a hinge shaft and a chain to suit the guide vanes with different specifications. Counter weights with different specifications are fixed by the pressing block to realize rotating balance of the guide vanes. Fastening and connecting of assemblies of the fixture are realized by the connecting parts (high strength bolts, screws) and pin shafts. According to the balance weight assembly fixture for machining the guide vanes with the multiple specifications, corresponding parts of the guide vanes of the component parts of a water guide mechanism is machined on a horizontal lathe by using the balance weight assembly fixture in the machining process of a journal and a shaft shoulder, and the machining size meets the drawing requirements. The purpose of using the assembly fixture in the technical field of water turbines is realized. The balance weight assembly fixture for machining the guide vanes with the multiple specifications has the advantages of convenient assembly, simple use, convenient adjustment, wide application range, shortened guide vane machining time limit and the like, and can be widely applied to the machining process of the guide vanes with the multiple specifications in hydraulic turbine units.

The invention discloses a stacker-reclaimer bucket wheel body machining tool, a bucket wheel body comprises a shaft sleeve, the machining tool comprises a boring machine body, and the boring machine body comprises a boring rod; the outer circle machining device comprises a first outer supporting body and a second outer supporting body, and a boring cutter is arranged on the first outer supporting body; the second outer supporting body and the first outer supporting body are locked and fixed on the boring rod on the outer side of the shaft sleeve after being in butt joint; the inner supporting device is arranged in the inner hole of the shaft sleeve, is used for supporting the shaft sleeve, and comprises two inner supporting bodies which are locked and fixed on the boring rod after being butted and matched; and the supporting part is arranged in the inner supporting body, part of the supporting part extends out of the inner supporting body, and the position of the supporting part relative to the inner supporting body is adjustable. According to the machining device for the bucket wheel body of the stacker-reclaimer, the bucket wheel body is prevented from being transferred back and forth, the bucket wheel body is directly machined on site, the production cost is reduced, and the transportation risk is avoided.

The invention relates to a control method of a multi-cavity steel component assembling and positioning mechanism, and belongs to the technical field of multi-cavity steel component assembling equipment. The mechanism comprises a square tube positioning and pressing frame. Two ends of the square tube positioning and pressing frame are provided with square tube positioning and pressing pieces connected with the square tube positioning and pressing frame in a displacement mode. An electromagnet is arranged at a front end of an end primary positioning piece. A lower end of the end primary positioning piece is provided with an end primary positioning piece guide rail which is in sliding connection with the end primary positioning piece. A driving motor is arranged at the rear end of the end primary positioning piece. A rack guide rail parallel to the end primary positioning piece guide rail is arranged below the driving motor. The rack guide rail is movably engaged with the drive motor. Thelower end of a displacement cylinder is provided with a lock pressing piece which is movably contacted. Two ends of a pressing roller are provided with bearing seats which are movably sleeved with the pressing roller. Pressing cylinders are arranged on the bearing seats. According to the control method of the multi-cavity steel component assembling and positioning mechanism, the method has the advantages of being compact in structure, accurate in positioning and integrated in assembling and welding; and the machining precision of the multi-cavity steel components is improved, and the machining period is shortened.

The invention discloses a press-fit cavity power divider which comprises a microwave conducting rod and a signal transmission cavity which are successively coaxially arranged, internal conductors directly connected with the microwave conducting rod, external conductors directly connected with the signal transmission cavity and insulating mediums which are coaxially arranged between the internal conductors and the external conductors. The microwave conducting rod is successively in a trapezoid step shape from an input press-fit hole to an output press-fit hole. The signal transmission cavity and the microwave conducting rod are coaxially arranged. The insulating mediums are positioned between the internal conductors and the external conductors. Thus, relative fixation between the internal conductors and the external conductors is realized, and central axis of the insulating mediums overlap central axis of the internal conductors and the external conductors. The invention relates to a press-fit cavity power divider which has advantages of simple structure, reliable mechanical property, excellent electrical property, high transmission power, high production efficiency and low cost and is suitable for mass production.

The invention discloses an integral electroforming method of three-dimensional sculpture, which can reserve the advantages of separated electroforming and time and labour saving for processing and has the 100% similarity with a master mould. The integral electroforming method comprises: a three-dimensional hollow female die (2) of which the upper part is provided with an opening and the inner wall is coated with a conducting layer (1) is installed in a electrolytic cell; the inner cavity of the female die (2) is provided with a three-dimensional natural shape anode (3) of which the external surface is corrugated; the space between the external surface of the natural shape anode (3) and the conducting layer (1) is 1-7 cm, and the area ratio of the external surface of the natural shape anode (3) and the conducting layer (1) is 1.5-2:1; electrolyte is filled into the electrolytic cell; a female die conducting electrode (4) and the three-dimensional natural shape anode (3) are connected with a power supply; a metal casting layer with set thickness is accumulated on the conducting layer (1) by electroforming; and the female die (2) coated with the metal casting layer is taken out and is removed.