8results about How to "Expanded area is large" patented technology

The utility model provides an epoxy resin coating device relates to epoxy resin coating device technical field, including installation base and coating machine, still including overturning spare setting in one side of coating machine, the sliding frame sets up one end outside of installation base, fixed frame sets up overturning spare one side, drying spare sets up fixed frame's both ends outside, is used for to the cloth of fixed frame inboard dry, through starting telescopic pneumatic cylinder drive sliding block vertical movement, through the meshing drive of gear and toothed plate, realize the height accurate overturning of fixed frame, need not manual contact cloth, reduce the pollution risk, in the overturning process, when the pull rod slides along the inclined structure of second clamping plate through slot of sliding block, simultaneously drive slide rod, ring, pivot, gear to move to the outside, make the gear and toothed plate dislocation after overturning, avoid secondary meshing interference angle to keep, ensure that the direct entry spraying state after turning over.

The application discloses a preparation method of high-mechanical-property medium-manganese steel and application thereof and belongs to the technical field of medium-manganese steel processing. The method is based on conventional hot rolling, cold rolling and annealing treatment, and utilizes secondary circulating quenching heat treatment technology after cold rolling, and the temperature is first increased to 900-910 DEG C and kept for 30-35 min, then the temperature is increased to 900-910 DEG C and kept for 10-12 min after water quenching, and then the temperature is increased to 670-690 DEG C and kept for 1-1.5 h for annealing, and then air cooling is carried out to the ambient temperature, so that the content and stability of residual austenite in the medium-manganese steel are further improved, the mechanical properties of the medium-manganese steel product are remarkably improved, the tensile strength is 838 MPa, the total elongation is 90.8%, and the product of the strength and the elongation is 76.1 GPa%. The method can be widely applied to technical fields requiring the use of high-mechanical-property medium-manganese steel.

The utility model relates to the technical field of cream production, and discloses a cream negative-pressure degassing and defoaming device which comprises a storage tank, a vacuum pump, a vacuum pump and a control system, and the bottom of the storage tank is connected with a conveying pipe; a discharge pipe is vertically arranged at the inner bottom of the defoaming tank, the upper end of the discharge pipe extends to the upper part of the defoaming tank, and the bottom of the discharge pipe is connected with the conveying pipe; the material spreading disc is arranged at the upper end of the discharge pipe, and the material spreading disc is of a circular plate-shaped structure; the extrusion disc is movably arranged at the upper part of the discharge pipe, a positioning rod is vertically arranged on the lower side of the middle part of the extrusion disc, and the positioning rod is inserted into the discharge pipe; the technical effects that bubbles in cream can be more effectively discharged through the negative pressure environment and the synergistic effect of the extrusion disc and the spreading disc, and the extrusion disc is pressed on the spreading disc, so that when the cream passes through a narrow space between the extrusion disc and the spreading disc, the thickness is reduced, the bubbles are more easily extruded out, and the bubble removing efficiency is remarkably improved.

The embodiment of the present application provides a composite structure for building reinforcement, which comprises a plate-shaped composite structure, wherein the plate-shaped composite structure is fixedly attached to the surface of a building and comprises a first fiber layer, a metal layer and a second fiber layer from the surface of the building outward in sequence; the plate-shaped composite structure has flexibility and changes with the shape of the surface of the building after being fixed to the surface of the building. The plate-shaped composite structure in the composite structure has the characteristics of low cross-sectional height, large unfolding area and stress dispersion, and has the advantages of good adhesion after being fully glued to the interface of the building, can effectively provide support, can provide rapid reinforcement and increase the bearing capacity for the building with small construction space, and is especially suitable for the installation of internal small-limit buildings and tunnels. The composite structure can very effectively, flexibly and quickly provide a new reliable option for the constructor, and realizes the life extension of the reinforced building.

The utility model discloses a metal armored electric tracing band with an optimized electric heating structure, which comprises a pipeline, connecting columns are arranged on the surfaces of two sides of the pipeline and are fixedly connected with the pipeline, a tracing band body is uniformly wound on the surfaces of the connecting columns, and the tracing band body is of a U-shaped structure and is circumferentially distributed. The heat tracing band body comprises a reinforcing sheath, and the inner side of the reinforcing sheath is provided with an outer sheath. According to the utility model, the heating wire is arranged between the two groups of bus bodies, is of a U-shaped structure and is flatly distributed on the surface of the electric heating assembly, so that the heating effect is ensured, only one surface of the heat tracing band can be heated, the heat tracing effect is ensured, heat waste is avoided, the U-shaped design is large in expansion area and uniform in heat distribution, and the service life of the bus is prolonged. And the method is suitable for scenes with rapid temperature rise and temperature stabilization requirements, the power requirement can be accurately matched by adjusting the density and the length of the U-shaped structure, and the energy-saving effect is remarkable.

The application belongs to the technical field of evacuation passageway, and discloses a high-rise building fire evacuation passageway facilitating escape, which comprises a passageway main body, an automatic response fire extinguisher arranged on the inner top wall of the passageway main body, an emergency lighting lamp arranged on the inner wall of the passageway main body, and a smoke exhaust mechanism arranged on the inner wall of the passageway main body, wherein the inner wall of the passageway main body is provided with a containing box, the side wall of the containing box is provided with a protective cover for closing the containing box, the inner wall of the containing box is provided with a plurality of supporting rods for placing towels, and the containing box is provided with a water spraying assembly for wetting the towels. The application has the effect of improving the use experience of the escape personnel.

The utility model discloses a vehicle-mounted lifting table capable of being hidden, and belongs to the field of vehicle-mounted equipment, the vehicle-mounted lifting table capable of being hidden comprises a table plate and a driving machine, the driving machine comprises an auxiliary storage frame and a main storage frame, the table plate is connected with the power output end of the driving machine and can move relative to the auxiliary storage frame in a plane mode, and the main storage frame is connected with the main storage frame. The auxiliary storage frame is in sliding fit with the main storage frame, and the auxiliary storage frame can be stored in the main storage frame. According to the vehicle-mounted lifting table capable of being hidden, the table plate can be folded and unfolded, the vehicle-mounted lifting table has the use height suitable for passengers, and space is saved as much as possible when the vehicle-mounted lifting table is folded.

This utility model relates to the field of crane technology and discloses a crane side anti-slip outrigger device, including a support frame and a mounting chassis. Extension brackets are fixedly connected to the left and right sides of the support frame. A hydraulic cylinder is fixedly connected inside the extension bracket. A drive rod is fixedly connected to the drive end of the hydraulic cylinder. A grip enhancement mechanism is slidably connected to the outside of the drive rod. Disassembly and assembly mechanisms are slidably connected to the front and rear sides of the extension bracket. The grip enhancement mechanism includes a sliding mounting ring, which is slidably connected to the outside of the drive rod. Multiple mounting brackets are fixedly connected to the outside of the sliding mounting ring. In this utility model, when adjusted to a suitable position, the locking rod outside the locking plate is released, causing the locking rod to engage with the external groove of the drive rod. This increases the unfolded area of ​​the anti-slip rubber pad, thereby making the overall support more stable.