32results about How to "Achieve high-speed rotation" patented technology

The invention discloses an air-suspension air-supply-adjustable air blower directly driven by a high-speed electric machine. The air blower comprises a compressor impellor, a permanent magnetic synchronous motor rotor, a motor stator, a front radial air bearing, a rear radial air bearing, an axial thrust air bearing, a scroll and a motor shell; one end of the permanent magnetic synchronous motor rotor is connected with the compressor impellor; the rotor stator drives the permanent magnetic synchronous motor rotor to rotate; the front radial air bearing, the rear radial air bearing and the axial thrust air bearing support the permanent magnetic synchronous motor rotor in a suspension mode; the scroll is arranged at the periphery of the compressor impellor; and the motor shell is positionedat the peripheries of the motor stator, the front radial air bearing, the rear radial air bearing, the axial thrust air bearing and the permanent magnetic synchronous motor rotor. According to the invention, through driving the compressor impellor directly by the permanent magnetic synchronous motor rotor of the high-speed electric machine, a complex and expensive speeding system is omitted, noises and mechanical loss are reduced, the integral machine efficiency can be improved, the system is simple, and the air blower provided by the invention is convenient to install and transport.

The invention belongs to the field of sowing machinery, and specifically relates to a seed planting device. The seed planting device includes a mobile car body, and the mobile car body is provided with a soil shovel board, a soil crushing structure, a soil bin, a soil conveying structure and a seeding structure; Connected with the soil silo, the shovel plate extends upward from front to rear, and is used to scoop up soil and guide the soil into the soil silo when the moving vehicle moves forward; the sowing structure has a seed drop arranged behind the shovel plate The soil bin has an outlet, and the outlet is located behind the seed drop port to cover the seeds with soil; the soil conveying structure is used to transport the soil in the bin back to the outlet; The soil is broken during the process of being scooped up by the shovel board to being discharged through the outlet. The setting of the broken soil structure can break the soil clods in the soil to ensure that the soil can effectively cover the seeds.

The invention discloses a dual-direction self-balance rotation water jet drilling device with adjustable propulsive force. The device comprises a sprayer, a rotation shaft, a shell and a joint used for being connected with a high pressure pipe; the sprayer and the joint are arranged at the two ends of the rotation shaft respectively, and the shell sleeves the rotation shaft; the sprayer is provided with a front spray hole used for being provided with a front spray nozzle and a rear spray hole used for being provided with a rear spray nozzle; the rotation shaft is provided with a first conicalface, the shell is provided with a second conical face matched with the first conical face, a first groove sunken in the second conical face is formed in the circumference of the second conical face,and a second groove sunken in the rotation shaft is formed in the butt joint face of the rotation shaft and the joint in the circumference direction. According to the dual-direction self-balance rotation water jet drilling device, the front and rear spray nozzles with holes different in diameter are selected for controlling the propulsive force and propulsive direction of the device. For the frontand rear spray nozzles different in specification and propulsive forces different in magnitude and direction, two cavities in the device can be automatically balanced, and high-speed rotation of thesprayer is guaranteed.

The invention discloses energy-saving rice milling and hulling equipment, and belongs to the field of food machinery. The energy-saving rice milling and hulling equipment is composed of a conveying mechanism, a milling mechanism, a vibration mechanism and an air blowing mechanism. The milling mechanism, the vibration mechanism and the air blowing mechanism are mounted and fixed on the conveying mechanism. The conveying mechanism is composed of a bottom plate, supporting columns, belt pulleys, side plates, a hulling cavity, rectangular holes, a U-shaped inclined plate, a transverse moving track, a main motor frame, a main motor, a motor shaft, a wide chain, a rice inlet and a conveyor belt. The milling mechanism is composed of linear motors, vertical frames, a top block, a drying lamp, a milling wheel and a middle shaft. The vibration mechanism is composed of vibrating motor shells, vibration motors, a vibration shaft and a cam. The air blowing mechanism is composed of an air blower, anair outlet, a fixing block and an air inlet. The energy-saving rice milling and hulling equipment has the beneficial effects that through composition of the conveying mechanism, the milling mechanism, the vibration mechanism and the air blowing mechanism, especially through the linear motors and the air blower, the low-energy-consumption rice milling and hulling effects are achieved.

The invention provides an efficient electric nut gun head with long service life. The efficient electric nut gun head comprises a driving shaft connecting rod and a nut pull rod which are in transmission connection, wherein a rear sleeve sleeves the driving shaft connecting rod; a front sleeve sleeves the nut pull rod; the front sleeve is in positioning connection with the rear sleeve; the driving shaft connecting rod and the rear sleeve are in positioning fit through a positioning bearing; the nut pull rod and the front sleeve are in positioning fit through a plane bearing; and the driving shaft connecting rod is used for driving the nut pull rod to rotate when a nut gun operates. Compared with original multi-rod transmission, the efficient electric nut gun head with long service life is higher in stability; and moreover, the driving shaft connecting rod and the nut pull rod are separately positioned through the positioning bearing and the plane bearing, so that coaxiality of the nut pull rod and a driving shaft can be guaranteed, relative vibration in a rotating process is reduced, high-speed rotation is realized, working efficiency is improved, and the service life is relatively long.