79results about How to "Reduce RPM requirements" patented technology

The invention discloses a duplex winding dual-rotor motor, wherein an external stator and an inner stator, which are mutually independent, are used, and the stators are separated by a middle shell; the external stator is connected at the outside of the inner stator in a manner of sleeving, height of the motor can be configured to be very short, and an external motor and an inner motor can be configured to have different height according to different performance requirements; and the duplex winding dual-rotor motor can be manufactured by a simple technology, satisfies various application scenesand has high applicability. The invention also discloses a double-blade food processor using the duplex winding dual-rotor motor, and by respectively controlling rotation speed and rotation directionof a big shaft and a small shaft, a big shaft blade and a small shaft blade can be enabled to rotate in the same direction, rotate in reverse directions or rotate singly, smashing effect and stirringeffect both are excellent, a requirement on the rotation speed of each blade also can be lowered while rotation in reverse directions is executed, and thus, running noise is reduced; a base and a cupbody also can be configured into an integer, connection by a coupler is not needed, cost can be saved greatly, the technology is simplified greatly, and vibration and noise caused by connection by the coupler are also reduced.

The invention discloses an automatic silk stocking toe sewing machine and a use method thereof. The automatic silk stocking toe sewing machine comprises a host machine, a movable socking plate, a machine head support, a machine head, a crotch cutting system, a stocking clamping system and the like, wherein the machine head support is independently driven by a lead screw motor, and the machine head support drives the machine head to change the sewing track; because the stocking casing is stationary when the stocking toe is sewn, a movable support drives the machine head to adopt an active sewing mode, thus the rotation speed of the machine head is reduced; and the stocking clamping system is used for clamping the stocking casing, so that the crotch cutting system carries out crotch cutting on the sewn stocking casing. In the invention, through simple man-machine conversation, multiple processes and multiple persons required by stocking toe sewing are changed into one-person operation; when ultra-thin or ultra-thick stockings are sewn, the problems of missed sewing, nonuniform spacing and the like are not generated, and the sewn stockings can accord with the toe arc lines of different crowds; and the crotch cutting is carried out under the state of clamping and tightening the stocking casing, thus the cut is straight and accurate, the artificial crotch cutting error is reduced, the working efficiency is greatly improved, the product quality is guaranteed and the raw materials are saved.

The invention belongs to the technical field of electric vehicle transmission, and specifically relates to a drive system of a double-motor double-shaft input speed changing box and a gear shifting control method of the drive system. The system comprises a drive motor I, a drive motor II and an electronic control mechanical automatic transmission. The electronic control mechanical automatic transmission comprises a first-gear gear set, a second-gear gear set, a third-gear gear set, a fourth-gear gear set, a coupling sleeve I, a coupling sleeve II, a transmission input shaft I, a transmission input shaft II and a transmission output shaft. The electronic control mechanical automatic transmission provides three gears for power output of the drive motor I and the drive motor II. By means of coupling of the drive motor I, the drive motor II and the electronic control mechanical automatic transmission and drive of the drive motor I and the drive motor II, shifting of three gears can be achieved. According to the system, the arrangement space of a finished vehicle is saved, the gears do not affect one another, the requirements for bearing and gear rotating speed are not high, and the life is long.

This invention discloses a rotary disc mechanic shutter of high repeating frequency and accuracy for switch controlling of light signals. A thin light-tight rotary disc with some holes is fixed on the generator spindle nose through clamp nut and axle sleeve. A photoelectric switch that fixed on the socket records the rotation information. A moveable photodiode probe is installed in the back of the disc where signal beams come through. The said mechanical shutter can be applied to some fields such as laser radar, laser ranging, laser space communication and laser satellite in self-adaptive optics.

The invention relates to an airlift air stirring multi-sublayer circulating extraction device and an airlift air stirring multi-sublayer circulating extraction method. The device comprises an outer pipe, an outer center pipe and an inner center pipe; and an inner pipe is arranged between the outer pipe and the outer center pipe. The method comprises the following steps: firstly, mixed solution to be extracted is added into the extraction device and then a light phase is added; after the filling of the air is started, air bubbles are generated in the inner center pipe, the small circulation of sucking down the light phase is carried out between the two center pipes and simultaneously the light phase is crushed; then the solution in the inner and the outer pipes starts to participate in circulation and the light phase is further crushed; and after a certain time, light phase drops are totally mixed with a mixed solution phase to form the stable multi-sublayer circulation. The airlift air stirring multi-sublayer circulating extraction device and the airlift air stirring multi-sublayer circulating extraction method are particularly suitable for the process of uniformly dispersing the light phase into a heavy phase in an intervallic phase ratio system which has an oil-water phase ratio of less than 1:1,000 and is easy to emulsify; the operation can be continuously carried out under the condition that the two-phase interface is clear; the emulsification phenomenon is avoided; the airlift air stirring multi-sublayer circulating extraction device and the airlift air stirring multi-sublayer circulating extraction method have low equipment investment, are easy to operate, have low power consumption and small shear force for the solution and are beneficial to keeping the activity of biomacromolecules.

The invention provides an electromagnetic ball mill. The electromagnetic ball mill comprises a bracket, a driving part, a cylinder body, a cylindrical grinding container and magnetic grinding bodies.The cylinder body is fixed to the bracket. Two arc-shaped electric conductive strips are arranged on the top of the inner sidewall of the cylinder body. The outer side of the cylinder body is providedwith a power connector communicating with the electric conductive strips. One end of the grinding container is inserted into the cylinder body to be rotatably connected with the cylinder body, and the other end of the grinding container is rotatably connected with the bracket. An electromagnet is mounted on the inner sidewall of the grinding container. The peripheral surface of the grinding container is provided with two conductive contacts corresponding to the electromagnetic conductive strips. One end of each conductive contact abuts against the inner sidewall of the cylinder body, and theother end of each conductive contact is electrically connected with the electromagnet. The grinding bodies are placed in the grinding container. The electromagnetic ball mill reduces the requirementsfor the rotating speed and can raise the grinding bodies to the highest point conveniently and improve the grinding effect.

The invention relates to an extraction apparatus, in particular to an extremely low concentration extraction apparatus. The technical problem to be solved by the present invention is to provide an extremely low concentration extraction apparatus which is low in power consumption, has little shear force to solution and is advantageous for maintaining the activity of biological macromolecules. In order to solve the above technical problems, the present invention provides the extremely low concentration extraction apparatus comprising a fixing plate, a motor, a bearing seat, a rotary rod, a drum, a first wire rope, a first guide wheel, an extraction tank, a first spring, a filter frame, the first baffle, etc. The left side of the upper front of the fixing plate is connected to the motor, and the output shaft of the motor is connected with the rotary rod through a coupling rod. The extremely low concentration extraction apparatus utilizes small balls with extractant attached to achieve a lower concentration of extraction of the solution to be extracted, so that not only the extraction work can be successfully completed, but also the shear strength of the solution can be effectively reduced.

The invention discloses a process for extracting mycoprotein from a glutamic acid-fermented waste fluid and belongs to the technical field of processing of glutamic acid-fermented waste fluids. The process comprises the steps of 1) using production waste heat to heat the glutamic acid-fermented waste fluid to 80-120 DEG C, keeping the temperature for 20-40 min, and obtaining a modified bacteria solution; 2) pumping the modified bacteria solution into a centrifugal machine, obtaining deposits after centrifugation, and obtaining the mycoprotein. The process is simple and easy to operate, capable of saving energy consumption, environmentally friendly and applicable to large-scale industrial production, the extraction ratio of mycoprotein products extracted according to the process reaches 90-95%, and the water content is low.

The invention discloses a multistage blade mud pump for riserless subsea mudlift drilling. The multistage blade mud pump comprises driving impeller cover plates, driven impeller cover plates, radial blades, guide vanes, a driving shaft and the like. The radial blades are arranged between the driving impeller cover plates and the driven impeller cover plates and are discontinuous, namely a bladeless area is present; the driving impeller cover plates and the driven impeller cover plates are connected through connecting arms; inlet sections of the driving impeller cover plates and the driven impeller cover plates are properly transited to the radial direction in an arc form or a conical form; and a fluid medium is guided to the next stage of impeller through a guide vane. The multistage blade mud pump can deliver multi-phase flow media, is not blocked, and is wear-resistant and high in lift; and a flow-lift performance curve is flat, a working range is wide and the requirement on mechanical sealing property is low.

The invention discloses a gas-liquid mixing device which comprises: a conical pipe with a large upper part and a small lower part, wherein one or more liquid inlets are formed in the bottom of the conical pipe, so that liquid can enter an inner cavity of the conical pipe, the conical pipe can rotate under the driving of the driving mechanism, and an included angle is formed between the rotating axis of the conical pipe and the inner wall of the conical pipe, and a plurality of through holes are formed in the pipe wall of the conical pipe to serve as liquid outlets; a fan, which is fixedly connected with the conical pipe and can synchronously rotate with the conical pipe; an outer barrel that is fixedly arranged outside the conical pipe, so that the conical pipe can move relative to the outer barrel, wherein the outer barrel is shorter than the conical pipe, so that the bottom of the conical pipe extends out of the outer barrel from below, a gas-liquid mixing space being formed betweenthe outer cylinder and the conical pipe. The mixing device has the advantages of mild operation, low energy consumption, low noise and small appearance volume, and is especially suitable for familiesand occasions with narrow space and mute requirements. The invention further discloses a gas-liquid mixing method.

A short-distance moving vehicle is composed of a direct-current motor, a speed change mechanism, a gear, a rack, wheels, rolling bearings, pressure bearings, a storage battery, a charger control system and a controller. The short-distance moving vehicle has the functions of moving forwards, moving backwards, turning left, turning right and stopping; oil purification equipment of a transformer substation can be permanently placed on the short-distance moving vehicle and move in the transformer substation along with the vehicle; and an operator who follows the vehicle and is located beside the vehicle uses a wireless controller or control keys on the vehicle for carrying out moving operation with multiple motions, and therefore the labor intensity of a worker is greatly reduced.

The invention provides a fan. The fan comprises a motor, a first rotating shaft, a second rotating shaft, a first fan blade and a second fan blade; the motor comprises a stator, a first rotor and a second rotor which are mutually nested and can mutually rotate, and the first rotor and the second rotor mutually and independently rotate; the stator comprises a stator iron core and a stator winding wound on the stator iron core, and the first rotor and the second rotor are used for driving the first rotating shaft provided with the first fan blade and the second rotating shaft provided with the second fan blade to concentrically rotate correspondingly; and particularly, the first rotor is a reluctance rotor, the second rotor is a permanent magnet rotor, and the stator, the reluctance rotor and the permanent magnet rotor are sequentially nested from inside to outside or from outside to inside. According to the fan provided by the invention, dual-shaft dual-power rotation is achieved in themodes without mechanical differential speed and separation and reunion, the system integration degree is high, the power density is large, energy consumption is low, reliability is high, and noise issmall.

The invention provides an automobile hybrid power system, and belongs to the technical field of automobiles. The problems that an existing automobile engine shakes during intervention and retreating, the fuel economy is poor, reverse gear power is insufficient under the condition that the electric quantity of a power battery is insufficient, and a transmission is difficult to arrange due to the too long axial distance are solved. The automobile hybrid power system comprises an engine, a generator, a planetary gear train, a power transmission shaft and a driving motor in transmission connection with the power transmission shaft, an output shaft of the engine is in transmission connection with a gear ring, and a rotating shaft of the generator is in transmission connection with a sun gear. The hybrid power system further comprises a sun gear clutch, a planet carrier clutch and a brake capable of braking the planet carrier, the planet carrier clutch is used for achieving transmission connection or disconnection between the planet carrier and the power transmission shaft, and the sun gear clutch is used for achieving transmission connection or disconnection between the sun gear and the power transmission shaft. The automobile hybrid power system has the advantages of being good in NVH performance, good in fuel economy, high in reverse gear power performance and the like.

The invention relates to the technical field of speed reduction transmission, in particular to an improved type graduated circle difference speed reduction device which comprises a mounting body, an input shaft sleeve, a planetary gear group, an output circular sleeve and a first inner gear ring; the output circular sleeve is provided with a second inner gear ring; the mounting body is provided with a gear ring mounting cover which is put together with and fixedly connected with the mounting body; spline grooves are arranged on the inner wall of the gear ring mounting cover and the inner wall of the output circular sleeve respectively; and spline teeth are arranged on the first inner gear ring and the second inner gear ring and are inlaid into the corresponding spline teeth. The invention provides the improved type graduated circle difference speed reduction device which can be actually put on production and processing and is convenient to assemble; and the improved type graduated circle difference speed reduction device is relatively low on requirements for rotational speed of a motor spindle, smooth in running, higher in performance price ratio, small in size and long in service life, has the advantages of high transmission efficiency, convenience in disassembly, good rigidity and high transmission accuracy, is particularly wider in transmission ratio range and is more stronger in maneuverability of producing an adaptive speed reduction device.

The invention relates to a pump, in particular to a quantitative pump special for in-situ filtration of deep sea microorganisms. The quantitative pump comprises a pump body and a base, wherein a frontretainer and a rear retainer are oppositely arranged on the end surface of the base, and the top and bottom ends of the front retainer and the top and bottom ends of the rear retainer are connected with reciprocating lead screws through linear guide rods which are parallel to each other; guide rod sliding blocks are installed on the linear guide rods, lead screw sliding blocks are installed on the reciprocating lead screws, and the guide rod sliding blocks and the lead screw sliding blocks are connected into a whole through a sliding block fixing frame; the rear side of the pump body is fixedon the front retainer through a pump body fastening block; a piston is arranged in the pump body, wherein a blind hole is formed in the rear end of the piston and connected with one end of a connecting rod; and the other end of the connecting rod is connected with the sliding block fixing frame. According to the quantitative pump special for in-situ filtration of the deep sea microorganisms, long-time work at low flow can be realized; in addition, compared with an impeller mechanism of a traditional centrifugal pump, the requirement for rotating speed of an output shaft of an motor is lower;and finally, compared with a cam mechanism of a traditional plunger pump, the quantitative pump is stabler and more reliable.

The invention discloses a fan component comprising a nozzle and a fan. The fan is used for generating airflow in the nozzle. The nozzle comprises an inner channel and a mouth portion. The mouth portion is communicated with the inner channel and used for spraying the airflow. The fan comprises a frame, a vane wheel pivoted at the center of the frame and a motor driving the vane wheel. The motor is suspended on one side of the frame and comprises a speed increasing mechanism. Through the speed increasing mechanism, the fan component can use the motor with low revolving speed to acquire high-speed rotation of the vane wheel. On the requirement of generated air quantity satisfying revolving speed of the vane wheel, requirements on the revolving speed of the motor are reduced, so that service life of the motor is prolonged and production cost of the motor is reduced. In addition, vibration noise of the motor is reduced through suspension of the motor.

The invention relates to an insulation plate of an electroplating machine, being of a convex structure sloping down gently from the center to two sides. The invention provides an insulation plate of an electroplating machine for small parts, which is easy to discharge an electroplating solution, and as a result, improves the electroplating quality of the small parts and prolongs the service life of a processing vessel.

The invention discloses a foaming washing machine, which mainly comprises a casing body on which a power and transmission device, a control device are mounted and within which an outer cylinder (1) is arranged, the outer cylinder (1) comprises an inner drum (2) inside and a bottom water tank (3) below, the characteristics lie in that the bottom water tank (3) is provided with a circulatory pipeline thereon, a water outlet pipe (4) at one side thereof and a water inlet pipe (5) at the other side thereof, a foaming pipe (6) is arranged on the water inlet pipe (5); an air intake pipe (7), a liquid pump (8) and a one-way valve (9) are arranged between the water outlet pipe (4) and the foaming pipe (6). The inventive foaming washing machine removes the dust on clothes by means of impact and blowout of air bubbles generated by the foaming pipe, which can lessen the use amount of water and detergent, is low in requiring the rotating speed of the drum, and has the advantages of saving water, reducing environmental pollution and lessening abrasion on the clothes. Meanwhile, the partial clothes can be dry-cleaned in virtue of regulating water amount.

The invention provides a disinfection laundry detergent and a preparation method thereof, and aims to solve the problems that in the existing laundry detergent production technology, the produced laundry detergent only has a single washing or disinfection and sterilization function, the killing rate of bacteria and fungi is low, and the irritation is strong. The laundry detergent is prepared fromthe following raw materials: an anionic surfactant, potassium cocoate soap, a nonionic surfactant, a polymer of methyl ethylene oxide and ethylene oxide mono (2-propylheptane) ether, a cationic surfactant, an inorganic bactericide, tetrasodium glutamate diacetate, a defoaming agent, essence and water. The product produced by the invention has the advantages of strong disinfection and sterilizationeffects, strong detergency, mildness, safety, no stimulation, low foam, easy cleaning and no residue.