12results about How to "Avoid aging damage" patented technology

The utility model discloses a universal wheel damping mechanism of a draw-bar box, and particularly relates to the technical field of universal wheels, which comprises a pulley, a wheel shaft is fixedly connected to the center of the pulley, fixing frames are movably connected to two ends of the wheel shaft, a sliding groove plate is fixedly connected to the front end of each fixing frame, and a fixing device is fixedly connected to the inner wall of each sliding groove plate. The universal wheel damping mechanism comprises a fixing frame, supporting devices are symmetrically arranged on the two sides of the fixing frame, a first fixing plate is movably connected to the upper end of the fixing frame, and a damping device is fixedly connected to the upper end of the first fixing plate. The structure is simple, practical and effective, meanwhile, the anti-pressure buffering capacity of equipment is improved, pulleys are prevented from being damaged, buffering and damping of the equipment can be reduced, the stability of the equipment structure is effectively improved, and the situation that the equipment structure is damaged and aged and the service life is shortened due to long-time bumping is avoided.

This invention discloses a glass fiber reinforced polypropylene composite material, comprising the following components by weight: 49-101 parts polypropylene resin; 1-8 parts hyperbranched polyethylene; 10-120 parts long glass fibers; and 0.5-6 parts compatibilizer. The number of branching points in the polymer with a number average molecular weight of 3.0 < LogM < 4.0 is greater than 295 SCB / 1000TC; the number of branching points in the polymer with a number average molecular weight of 4.0 ≤ LogM < 4.5 is greater than 290 SCB / 1000TC; and the number of branching points in the polymer with a number average molecular weight of LogM > 6.0 is less than 300 SCB / 1000TC. This invention, through specific polypropylene resin and hyperbranched polyethylene, achieves a specific distribution of branching points in the polymer of the composite material, solving the problem of electrochemical corrosion of the metal structure in injection-molded products with long glass fiber reinforced metal inserts, thereby improving the problem of corrosion caused by moisture and rainwater in outdoor injection-molded products with metal inserts.

The utility model provides a leakage-proof hydraulic valve, and belongs to the technical field of hydraulic valves. The leakage-proof hydraulic valve comprises a valve pipe, a pressure distributing valve is arranged at the top of the valve pipe, connecting sleeves are arranged at the two ends of the valve pipe, the valve pipe comprises a pipe body, connecting rings are fixedly installed at the two ends of the pipe body, leakage-proof grooves are formed in one sides of the connecting rings, each connecting sleeve comprises a hexagonal thread sleeve, a mounting sleeve is arranged at one end of each hexagonal thread sleeve, and a sealing ring is arranged at the other end of each hexagonal thread sleeve. The outer sides of the two ends of the pipe body are sleeved with the mounting sleeves, the mounting sleeves are rotationally connected with the pipe body, threads are formed in the inner sides of the hexagonal threaded sleeves, the connecting rings are arranged on the inner sides of the mounting sleeves, and the anti-leakage rings are fixedly installed on one sides of the mounting sleeves and connected with the anti-leakage grooves in a clamped mode. And the service life can be prolonged, and the practical value is high.

The invention discloses a hydraulic valve assembly detection tool, and relates to the technical field of hydraulic valve assembly detection.The hydraulic valve assembly detection tool comprises a bottom frame, sliding grooves are formed in the two sides of the top face of the bottom frame, a U-shaped frame is fixed to the top face of the bottom frame, and an electric air cylinder is fixedly installed in the middle of the top face of the U-shaped frame; the telescopic end of the electric air cylinder penetrates through the middle of the top face of the U-shaped frame and is in sliding connection with the middle of the top face of the U-shaped frame, a pressing disc is fixed to the bottom face of the electric air cylinder, a humidity sensor penetrates through the middle of the top face of the bottom frame and is fixedly installed, and a positioning assembly is arranged at the bottom end in the bottom frame and comprises two T-shaped ring frames. The hydraulic valve assembly is pushed to the middle of the bottom frame through the arc-shaped rubber pad, and therefore the problem that the inner diameter of the upper portion of the hydraulic valve assembly is extruded and damaged by the pressing disc due to the fact that the pressing disc is not aligned with the inner diameter of the upper portion of the hydraulic valve assembly is solved.

The utility model discloses a continuous type vacuum diffusion furnace, relates to vacuum diffusion welding technical field, the utility model discloses a continuous type vacuum diffusion furnace, it includes base and furnace body, base internal lower part is provided with heat dissipation subassembly, heat dissipation subassembly includes water tank, and water tank external surface is equipped with deionized water pump, and deionized water pump water outlet end is connected with the inflow rate regulating valve, and the furnace body is equipped with the water inlet flow rate regulating valve. And heat insulation plates are connected to two sides in the furnace body. Through the arrangement of the heat dissipation assembly, the deionized water circularly flows through the deionized water pump, and the deionized water starts from the deionized water pump on the outer surface of the water tank; the water sequentially flows through a water inlet flow regulating valve, a sealing ring, a water return flow regulating valve, a primary heat exchanger, a deionizing water pump between the two heat exchangers, a secondary heat exchanger and a water tank through a water conveying pipe and then returns to the deionizing water pump on the outer surface of the water tank; the sealing ring is effectively prevented from being in a high-temperature state for a long time to be aged and damaged, so that the vacuum diffusion furnace can be continuously used, and the effects of no scale, waste heat recovery and abrasion reduction are achieved.

The utility model discloses a kind of anticorrosion oil cups of pressure sensor, including cup body, the cup body whole is made of polytetrafluoroethylene material, the bottom of the cup body is provided with protruding part, and located the top of the cup body is provided with oil storage groove, to realize the storage of internal silicone oil, the inner wall circumferential direction of the oil storage groove is equidistantly arranged with multiple ribs, to divide the silicone oil flow space in oil storage groove, inhibit vortex generation, the bottom of the cup body is close to the edge and is provided with sealing structure, to ensure the extrusion sealing between cup body and pressure sensor shell.The utility model is made of polytetrafluoroethylene material cup body, combined with the sealing ring of fluorine rubber material, significantly improve the anticorrosive performance of oil cup whole, can effectively resist the erosion of various corrosive media, avoid cup body aging breakage and medium leakage, prolong the service life of pressure sensor.

The present invention discloses a hydraulic valve assembly detection tool, which relates to the technical field of hydraulic valve assembly detection. The present invention comprises a base frame, wherein slide grooves are provided on both sides of the top surface of the base frame, a U-shaped frame is fixed on the top surface of the base frame, an electric cylinder is fixedly installed in the middle of the top surface of the U-shaped frame, the telescopic end of the electric cylinder penetrates and is slidably connected with the middle of the top surface of the U-shaped frame, a pressure plate is fixed on the bottom surface of the electric cylinder, a humidity sensor is penetrated and fixedly installed in the middle of the top surface of the base frame, a positioning assembly is arranged at the bottom end of the inner part of the base frame, the positioning assembly comprises two T-shaped ring frames, and the two T-shaped ring frames are fixed at the inner bottom end of the base frame. The present invention pushes the hydraulic valve assembly to the middle of the base frame through an arc-shaped rubber pad, thereby avoiding the problem that the upper inner diameter of the hydraulic valve assembly is squeezed and damaged by the pressure plate due to the misalignment of the pressure plate and the upper inner diameter of the hydraulic valve assembly.

The utility model discloses an integrated electric vehicle frame structure, and relates to the technical field of electric vehicles. Two top plates are arranged in the vehicle cabin body in a mirroring mode, each top plate is provided with a pay-off through hole for electric wires to pass through, a take-up reel is arranged in each installation groove, and three wire outlet holes distributed circumferentially are formed in each take-up reel. According to the utility model, the wires can be preliminarily limited and fixed through the arranged pay-off through holes, and the arranged take-up reel can wind and roll the wires with redundant lengths, so that the attractiveness of the arrangement of a plurality of wires in the inner cavity of the vehicle cabin body is ensured, and the plurality of wires are prevented from being interwoven and wound together to be abraded and even aged and damaged, and the service life of the wires is prolonged. In addition, the tidy flat cables are convenient for subsequent maintainers to accurately and quickly find out the wires needing to be repaired, so that the maintenance period is ensured; and the movable end of the wire can be fixed through the arranged wire outlet hole, so that the movable end can be exposed out of the take-up reel, and the movable end can be conveniently connected with other wires.

The polypropylene film comprises a film body, the film body comprises a wear-resistant layer, an anti-aging layer, a high-temperature-resistant layer and a base material layer, the wear-resistant layer is a nylon film, the anti-aging layer comprises a PET (polyethylene terephthalate) film layer, a PVC (polyvinyl chloride) film layer and a polystyrene film layer, the wear-resistant layer is positioned outside the anti-aging layer, and the high-temperature-resistant layer is positioned outside the base material layer. The anti-aging layer is located outside the high-temperature-resistant layer, the high-temperature-resistant layer is located outside the base material layer, the PET thin film layer is located outside the PVC thin film layer, and the PVC thin film layer is located outside the polystyrene thin film layer. Through the mutual cooperation of the wear-resistant layer, the PET film layer, the PVC film layer, the polystyrene film layer and the high-temperature-resistant layer, the problems that the existing polypropylene film for the low-moisture capacitor is easy to age and damage in the long-time use process and the service life is affected due to the fact that the polypropylene film for the low-moisture capacitor does not have the anti-aging function are solved.

The utility model belongs to the air leakage detection technical field, concretely speaking is a kind of SCR air leakage detection device, including air leakage detector;The top of air leakage detector is equipped with display screen, one side is fixedly installed with connector, the side that connector is away from air leakage detector is provided with gas delivery mechanism, the side that gas delivery mechanism is away from connector is provided with filter mechanism;The side close to gas delivery small pipe is provided with jacking mechanism and leakage prevention component;The cooperation of screw hole, screw cylinder, gas delivery pipe, fixed cylinder, gas delivery small pipe and filter screen can make gas delivery pipe be easily disassembled by the setting of screw hole, screw cylinder and gas delivery pipe, so as to save space more when storing, and also can be directly disassembled and maintained when maintaining, more portable and efficient, the cooperation of fixed cylinder, gas delivery small pipe and filter screen can filter the air passing through, to prevent impurities from entering the inside of machine and causing damage.

The utility model relates to the technical field of cables, and discloses a cable for a charging pile of a new energy electric vehicle, which comprises a cable core assembly and heat dissipation rings arranged on the peripheral side of the cable core assembly, the heat dissipation rings are distributed along the length direction of the cable core assembly, and the thickness of the heat dissipation rings is reduced outwards along the radial direction. According to the cable, the heat dissipation ring is arranged on the outer side of the cable core assembly, the heat dissipation area of the cable core assembly is increased, the thickness of the heat dissipation ring is reduced outwards in the radial direction, heat dissipation, heat dissipation efficiency improvement and cable temperature reduction are facilitated through the arrangement, the cross section of the heat dissipation ring is arranged to be a triangular or trapezoidal structure which is closest to a concave parabola, and the heat dissipation efficiency is improved. Under a certain heat dissipation condition, the heat dissipation effect is guaranteed, materials can be saved, the load of the cable is reduced, and the cable is prevented from being broken due to overweight.

The invention provides a construction waste recycled aggregate high-precision purification device which comprises a cabinet body, the cabinet body comprises a dust collection box, a settling box, an air suction pipe, a washing fan and an electric control cabinet, the air suction pipe extends into the settling box, a mesh plate is arranged at the top of the settling box, a bobbin is arranged at the top of the settling box and communicated with the bottom end of the washing fan, and the electric control cabinet is arranged in the dust collection box. An air outlet of the washing fan is connected with an exhaust hood, the exhaust hood is connected with an exhaust pipe, the bottom end of the exhaust pipe is connected with a dust collection hood, and the bottom end of the dust collection hood is communicated with the top of the dust collection box. Light impurities in the recycled aggregate are separated, the purity of the recycled aggregate is improved, the resource utilization and use performance of the recycled aggregate are greatly improved, and the method can be widely applied to production of recycled building material products such as recycled concrete and recycled bricks.