54results about How to "Active fixed connection" patented technology

The invention aims at the problem of poor hydrophilicity and thermal stability of the polypropylene lithium-ion battery separator, and improves the hydrophilicity and thermal stability of the membrane surface layer by layer self-assembly method of polyelectrolyte. The technical solution is: respectively prepare anion and cationic polyelectrolytes containing anionic and cationic structural units through aqueous solution polymerization, and soak the pretreated polypropylene diaphragm repeatedly and alternately in two polyelectrolyte solutions to make the polymer polyelectrolyte Self-assembled onto the surface of polypropylene separator under the action of electrostatic force. The polypropylene lithium-ion battery separator prepared by this method has high hydrophilicity and thermal stability, the static water contact angle is as low as about 30°, and its thermal shrinkage rate can reach only about 15% after being treated at 130°C for 4 hours. This method is easy to operate, has strong practicability, overcomes the shortcomings of chemical modification and general coating methods, and can be industrialized.

The invention provides a new type of electromagnetic shielding structure under the strong electromagnetic environment of a giant hydro-generator, which includes multi-layer silicon steel sheets and a layer of aluminum plates that are stacked and laminated in parallel; the multi-layer silicon steel sheets and a layer of aluminum plates are sequentially stacked and fixedly connected An integrated shielding structure is formed; multiple channel steels are evenly arranged on the surface of the machine pit wall opposite to the copper bar, and the shielding structure is arranged parallel to the machine pit wall and fixedly connected with the channel steel; the silicon steel sheet is close to the machine pit wall, and the aluminum plate is close to the Copper row; silicon steel sheet builds an ultra-high magnetic permeability path within the space of the leakage magnetic field, changing the distribution of the spatial magnetic field, so that the magnetic flux leakage that intentionally enters the steel bar enters the silicon steel sheet; the magnetic field line passes through the aluminum plate vertically and enters the silicon steel sheet. Induced current, the induced current also generates reverse magnetic flux leakage, which offsets the magnetic flux leakage generated by the original copper bar. The invention is used to prevent the overheating of the reinforced concrete structure in the wall of the machine pit caused by the strong electromagnetic environment, and the reduction of the structural strength caused by the overheating.

The embodiment of the invention provides an adhesive sealing method, an adhesive sealing structure and a display device. The method includes the steps that a liquid crystal panel, a first adhesive and a frame are provided, wherein the frame comprises a side wall and a supporting wall; a clamping groove is formed in the side wall, and a through hole is formed in the bottom face of the clamping groove; the side edge of the display panel is attached above the supporting wall, a first contact face is formed between the display panel and the supporting wall, and a second contact face is formed between the display panel and the side wall; the clamping groove, the through hole, the first contact face, the second contact face and the outer surface of the side edge of the display panel are filled with the first adhesive; the first adhesive is cured to fixedly connect the display panel with the frame. By means of the adhesive sealing method, the adhesive sealing structure and the display device, the display panel and the frame can be effectively fixedly connected, and the display device can achieve the frame-free or narrow-frame effect.

The invention provides a fixing component, which relates to the technical field of flexible body structure design. The fixing assembly is used to fix the flexible shaft, including a clamping body and a clamping base; the outer peripheral surface of the clamping body is an arc surface, which can be sleeved in the shaft hole of the flexible shaft and can support the flexible shaft out of the bulge; the clamping base has a clamping hole, The hole wall of the clamping hole is matched with the outer peripheral surface of the clamping body and is used for clamping the drum bag. The fixing assembly can reduce or even avoid the occurrence of damage of the flexible shaft in the process of reciprocating bending deformation, not only realizes the effective fixed connection of the flexible shaft, but also ensures or even prolongs the service life of the flexible shaft.

The invention discloses a three-phase independent time relay. The time relay comprises a fixed base; a connecting groove is connected in the middle of one side of the fixed base; a linkage shaft is respectively connected to the middle of side plates at two sides away from the connecting groove; control plates are respectively connected to one end, away from the side plates of the connecting groove, of the linkage groove and on two sides of the connecting groove away from each other; clamp plates are disposed on two opposite sides of the connecting groove; fixed plate are disposed on inner sides of the other pair of side plates in the connecting groove; joint plates are fixedly connected to four corners, away from each other, of the fixed base; set screws are connected to the joint plates;and a threaded column is connected to the middle of one sides, close to the side plates of the connecting groove, of the clamp plates. The three-phase independent time relay has the beneficial effectsthat by disposing the clamp plates, the threaded column, the linkage shafts and the control plates, the relay can be fixedly connected through the abovementioned components when being connected intothe connecting grooves; by disposing the fixed plate and a fixed spring, the relay can be reinforced on the basis of the clamp plates; and through double fixing, the relay can be effectively and fixedly connected into the connecting groove.

The invention provides a sputtering target packaging box, which comprises an enclosed box, a protection body positioned in an accommodating space, a bottom plate and a cover plate, wherein the enclosed box comprises side plates which are connected end to end and are integrally molded; the accommodating space is defined by the side plates; two sides of the protection body are supported on the side plates; the bottom plate is arranged on the protection body and is positioned in the enclosed box; the cover plate is arranged on the top of the enclosed box and has a shape of a frame; each frame of the cover plate is provided with a locking hole or a buckle; and the side plates are correspondingly provided with buckles or locking holes which are matched with the locking holes or the buckles of the cover plate. The sputtering target packaging box does not deform due to external force, and the target damage rate is reduced; the packaging box can be repeatedly detached and mounted multiple times and is convenient to carry and flexible to use; and the bearing capacity is high, the packaging box can be laminated in multiple layers, and the storage space of a target is saved.

The invention provides a freezing process hole protecting special-shaped pile forming method. The method mainly comprises the following steps: 1) manufacturing a prefabricated reinforced concrete pile tip, wherein a steel member is embedded in the pile tip and the diameter of the top surface of the pile tip is equal to the diameter of a special-shaped pile casing; 2) manufacturing a special-shaped pile mold, wherein a reversely arched curved plate is welded with a center spacer to form the special-shaped pile casing; a triangular freezing pipe is welded with the center spacer and a circular freezing pipe is welded in the center of a reversely arched curved surface of the reversely arched curved plate; a liquid supply pipe stretches into the triangular freezing pipe and is welded with the bottom of the triangular freezing pipe; 3) arranging a special-shaped pile driving machine in place, connecting the special-shaped pile mold with the prefabricated reinforced concrete pile tip and driving the special-shaped pile mold and the prefabricated reinforced concrete pile tip into a foundation; 4) filling liquid nitrogen into the liquid supply pipe and the circular freezing pipe to freeze surrounding soil by heat absorption through evaporation of the liquid nitrogen. The freezing process hole protecting special-shaped pile forming method has the advantages that the section area of the pile body is small and the side surface area of the pile is large; by using the liquid nitrogen to freeze the high-water-content and high-viscosity soil around the pile, the soil is solidified and formed, the squeezing force to the pile body is reduced and the quality of the pile body is guaranteed.