66results about How to "Guaranteed to work long hours" patented technology

The invention provides an intelligent inspection and oiling device for an acoustic wind barrier of a high-speed railway. The intelligent inspection and oiling device comprises a guiding platform; an inspection unit which is connected with the guiding platform; an oil injecting mechanism, which is connected with the inspection unit; a control unit, which is connected with the guiding platform and communicated with the inspection unit; and an oil storage structure, which is connected with the oil injecting mechanism through an oil pipe. Compared with the prior art, the intelligent inspection and oiling device for the acoustic wind barrier of the high-speed railway has the following advantages: difficulty in inspection of firmness of the sound barriers of railways is overcome by using a pull rod type high-definition telescopic camera technology, workers can maintain fasteners of the sound barriers (inject anti-rust oil on bolts) and detect firmness of the sound barriers without climbing, and the workers can inspect positions which cannot be approached before.

The invention discloses an inclined float type siphon type weak reflection optical fiber grating rain gauge, which is characterized in that it comprises a rain gauge cylinder with a base, and the rain gauge cylinder is provided with a funnel for receiving rain, between the inner wall of the rain gauge cylinder and the base There is an inclined support plate between them, and a wedge-shaped inclined float is placed on the support plate. One end of the wedge-shaped inclined float is connected to the base, and the other end is connected to the optical fiber. This end of the optical fiber is the light entrance end. The fixed column is connected to each other, and this end of the optical fiber is the light exit end, and a weak reflection fiber grating is arranged in the optical fiber, and the light entrance and light exit are connected to the optical fiber sensor network, and the rain gauge is also connected with a siphon. The rain gauge and the rain gauge array have low cost, simple network layout, good stability, large measuring range and high precision.

The invention aims at providing an electric active sound isolation actuator for an elastic plate. The electric active sound isolation actuator comprises an outer magnetic conducting cylinder, an upper end cover, a lower end cover, a permanent magnet, an upper armature, a lower armature, an upper pulley assembly and a lower pulley assembly, wherein the permanent magnet is arranged between the upper armature and the lower armature and forms a magnetic circuit together with the outer magnetic conducting cylinder. The upper armature, the lower armature and the permanent magnet are clamped by the upper pulley assembly and the lower pulley assembly and are fixed through bolts to form a mover part of the actuator. The upper end of the mover part is provided with a plate spring, and the outer end of the plate spring is arranged between the upper end cover and the outer magnetic conducting cylinder. The upper end cover is arranged at the upper end part of the outer magnetic conducting cylinder, the plate spring is fixedly arranged between the upper end cover and the outer magnetic conducting cylinder, and the lower end cover is arranged at the lower end part of the outer magnetic conducting cylinder. An upper coil and a lower coil are respectively wound on the inner wall of the outer magnetic conducting cylinder according to opposite directions. The electric active sound isolation actuator is compact in volume, large in output force and relatively high in work efficiency; and the mounting time and debugging time during control are shortened because the electric active sound isolation actuator can be used by only switching on a power source while being mounted.