8results about How to "Simple and reliable structural design" patented technology

The invention discloses a transmission conductor damping device and method, and the device comprises a fixed part which is disposed on a transmission conductor; the rotating part is arranged outside the fixed part in a sleeving manner and is rotationally connected with the fixed part; the driving part is rotationally arranged at the end, away from the power transmission line, of the fixing part; the limiting part is arranged on the driving part; the telescopic rotating part is arranged on the driving part, the telescopic rotating part is separated from limiting of the limiting part in the plumb bob direction under the action of wind power and rotates to droop, so that the telescopic rotating part abuts against the rotating part to drive the rotating part to rotate, and then the rotating part generates upward acting force to balance vibration force; and the telescopic rotating piece is separated from the rotating part. The telescopic rotating part drives the rotating part to rotate to generate upward acting force by utilizing vertically downward vibration force of the power transmission conductor, so that the vibration force of the conductor is balanced, and the vibration of the conductor in the vertical direction can be effectively inhibited.

This invention provides a main and auxiliary power supply switching system and method with configurable power supply priority. The system includes a main power supply, an auxiliary power supply, an output power supply, and a switching circuit. The main power supply and the auxiliary power supply are two independently powered switching power supply circuits. The MCU main control circuit in the switching circuit controls the main and auxiliary power supply switching control circuit to adjust the main power supply voltage, creating a voltage difference between the output voltages of the main power supply and the auxiliary power supply, thereby achieving the switching of the main and auxiliary power supply priorities. This invention can achieve uninterrupted switching between the main and auxiliary power supplies and allows for flexible setting of the power supply priorities of the main and auxiliary power supplies based on actual application requirements. The circuit structure is simple, low-cost, highly reliable, and practical, effectively ensuring the power supply continuity and operational stability of the energy meter under complex operating conditions.

The utility model belongs to the technical field of distillation equipment, and relates to grain steaming and wine steaming dual-purpose intelligent energy-saving distillation equipment, which is characterized in that a waste steam cooling chamber and a wine steam cooling chamber which are separated from each other are arranged in a steam regenerator, so that waste steam in a grain steaming stage and wine steam in a wine steaming stage are respectively and independently recovered; the problem of cross contamination caused by the fact that traditional equipment shares a recovery system is thoroughly avoided, pure white spirit quality is guaranteed, and whole-course efficient recovery of heat energy is achieved; in the grain steaming stage and the wine steaming stage, waste steam containing impurities is independently cooled through a waste steam cooling chamber, waste heat is recycled, wine steam is efficiently subjected to heat exchange through a wine steam cooling chamber, a steam regeneration chamber of a steam regenerator generates low-pressure regenerated steam, and the low-pressure regenerated steam is pressurized through a steam compressor and then supplied to a distillation retort for use. It is ensured that the steaming bucket obtains stable steam pressure in different process stages, meanwhile, the supplement requirement of external fresh steam is reduced, heat is effectively recycled, and 90% of steam consumption of a steaming section in the grain steaming process is saved.

The utility model discloses a variable vibration litchi picking device, include: delta parallel mechanism is used for the mobile positioning of litchi picking, variable vibration output mechanism is used for the vibration collection of litchi picking, visual sensor is used for gathering litchi fruit cluster information, control box is used for processing fruit cluster coordinate information and sends control information, wherein, variable vibration output mechanism and visual sensor are installed respectively on the dynamic platform of delta parallel mechanism, and the control box is connected on the fixed platform of delta parallel mechanism, the utility model discloses simple and reliable structure design, convenient to use, and picking positioning is accurate and efficient, and litchi vibration picking efficiency is improved greatly, especially suitable for the vibration collection operation of litchi orchard, and is installed in the field mobile platform, and single operation can realize the vibration collection of most litchi in 1500*2000*200mm range.

The present invention discloses a low-altitude sightseeing vehicle with a single-rail suspension form for scenic areas, which includes a first cockpit, a second cockpit, a locomotive power cabin, a passenger cabin, a current collector, a first electric drive unit, a second electric drive unit, a first brake, a second brake, an overspeed trigger, a first suspension trolley, a second suspension trolley and an I-beam track. The first cockpit is connected to the locomotive power cabin, the locomotive power cabin is connected to the I-beam track through the first suspension trolley, the first brake is arranged on the first suspension trolley, the passenger cabin is connected to the I-beam track through the second suspension trolley, the locomotive power cabin is connected to one end of the passenger cabin through the first electric drive unit, the first electric drive unit is connected to the I-beam track, the overspeed trigger is arranged on the I-beam track and connected to the passenger cabin, the second cockpit is connected to the I-beam track through the second suspension trolley, the second cockpit is connected to the other end of the passenger cabin through the second electric drive unit, and the second brake is arranged on the second suspension trolley. The present invention uses the top rigid I-beam track for bearing and guiding, eliminating the risk of falling, and having higher safety than the cable-type track, and is suitable for the sightseeing field.

This utility model discloses a car seat that can be used as a bed, including a base, on which a seat frame assembly is disposed. The seat frame assembly can be rotated forward to a horizontal position with its front end as the pivot point. A backrest assembly is installed at the rear end of the base, and the backrest assembly can be reclined forward to a horizontal position. The backrest assembly includes a front backrest and a rear backrest. When the backrest assembly is reclined forward to a horizontal position, the rear backrest can be rotated backward relative to the front backrest to a horizontal position. The beneficial effect of this utility model is that it can easily realize the conversion of the seat from a sitting position to a reclining position.

This utility model relates to the technical field of mechanical environment testing and measurement equipment, specifically disclosing a horizontal impact testing machine. The testing machine includes a base, a worktable assembly, a tailstock assembly, and a hammer assembly. The base is equipped with a drive assembly, a guide unit, a table limiting assembly, and a tailstock limiting assembly spaced apart along the working direction. The worktable assembly is movably connected to the table limiting assembly and can reciprocate relative to the table limiting assembly along the working direction; the worktable assembly is equipped with a positive wave generating unit. The tailstock assembly is movably connected to the tailstock limiting assembly, which selectively fixes the tailstock assembly; the tailstock assembly is equipped with a negative wave generating unit. The hammer assembly slides on the guide unit, and the drive assembly pushes the hammer assembly to impact the positive wave generating unit, thereby driving the worktable assembly to impact the negative wave generating unit. This testing machine is used to perform simulation tests according to the requirements of dual-wave impact testing, thereby completing the detection, evaluation, and verification of the product under test.

The invention discloses an efficient limestone crushing device and method based on multi-stage crushing, and belongs to the technical field of crushing devices.The efficient limestone crushing device comprises a tank body and a cover plate, a feeding pipe is arranged at the top of the tank body, and a discharging pipe is arranged at the bottom of the tank body; the crushing assembly in the upper cavity of the tank body comprises at least two crushing rollers and a driving motor for driving the crushing rollers; a fine crushing assembly arranged below the crushing assembly comprises a first box body and a fine crushing roller rotationally mounted in the first box body; and a grinding assembly arranged below the fine crushing assembly comprises a second box body, a grinding disc rotationally mounted in the second box body, and a rotating motor used for driving the grinding disc. The invention provides the efficient limestone crushing device which is compact in structure, simplified in process, low in energy consumption, high in crushing efficiency and uniform in discharging.