56results about How to "Shorter rotation time" patented technology

The invention provides an electric control rotating platform and a position measuring method for an inertial navigation instrument. The lower platform body of the rotating platform is directly connected with a measurement carrier; a support bracket, the outer platform body of the rotating platform and an outer adjusting bracket are fixedly connected to the lower platform body of the rotating platform; the support bracket is contacted with the outer ring of an angular contact bearing for positioning; a hollow shaft is connected with the inner ring of the angular contact bearing; the inner rings of two pairs of angular contact bearings are positioned by two tightening nuts; a positioning bracket is fixedly connected with the hollow shaft and a plurality of stages of spirally variable rotors are positioned at the same time; a plurality of stages of spirally variable stators are fixedly connected with the outer platform body of the rotating platform; a worm wheel is fixedly connected to the positioning bracket; a worm is connected with the outer adjusting bracket through double-end bearing support; and the output shaft of a stepping motor is connected with the input shaft of the worm by a coupling. The electric control rotating platform is small in error and high in precision, provides a solution for the precise rotation and the position measurement of the inertial navigation instrument, and simultaneously provides the guarantee for the accurate and reliable measurement of the inertial navigation instrument.

The invention belongs to the satellite communication technical field and discloses a task split and aggregation-based data relay satellite system task planning method. According to the method, tasks in a network are split and aggregated; a feasible solution sequence is constructed for the preprocessed tasks; local search is performed on the constructed feasible solutions; and a task planning result is outputted. According to the method of the present invention, task demand from user requests is converted into task elements with higher planning efficiency through task preprocessing; and tasks requiring long transmission time are split into a plurality of task elements, and tasks which require short transmission time, are high in scheduling window coincidence rate, and have near requesting satellite positions are merged into one task element. With the method of the invention adopted, the planning efficiency of tasks requiring long transmission time and short transmission time of a traditional task planning algorithm can be solved; and the task planning efficiency and resource utilization rate of the data relay satellite network can be improved. The method can be used for the task planning process of the data relay satellite system.

The invention discloses a built-in rotary blade angle hydraulic pressure regulator. The hydraulic pressure regulator consists of three parts of a regulator main body which is also called as a rotating body, an encloser (i.e. a fixing body) and a control display system, wherein the regulator main body or the regulator rotating body is installed and fixed at the top end of a matching main motor shaft of a pumping unit and synchronously rotates along with the rotation of the main motor shaft, and keeps a relative static state to the rotating parts of the pumping unit and a main motor at any time; the encloser (i.e. the fixing body) is installed and fixed at the top end of a main motor shell and keeps an absolute static state to the main motor shell; the control display system comprises a PLC (programmable logic controller), a touch screen and a relay, has manual and automatic control functions as well as local and remote control systems and full-automatically regulates the angle of a water pump blade through the PLC, so that a water pump operates in an efficient area all the time; and load operation can be realized. The hydraulic pressure regulator is suitable to be used with various full-regulating axial flow pumps.

The invention discloses an angle mechanically-operated controller with a built-in rotary blade, which comprises a rotating base, a box body and a programmable logic controller (PLC) and a digital display instrument. The angle mechanically-operated controller is characterized in that a regulator main body is fixed at the top end of a main motor shaft matched with a water pump and synchronously rotates with the rotation of the main motor shaft; an external housing is arranged and fixed at the top end of a main motor housing, a pump shaft and the main motor shaft are hollow shafts, the hollow shafts are internally respectively provided with a regulating pump pull (push) rod, a small motor is arranged on a regulator box body, an external power supply supplies electricity to the small motor through an appliance bracket arranged and fixed in the external housing and a power supply sliding ring; and the small motor automatically positively rotates or negatively through an appliance control system to drive a regulating pull rod in a transmission base to move up and down, so as to drive an blade of the water pump to rotate. The angle mechanically-operated controller can be used for converting displacement of the regulating pull rod into an angle variation of the blade, can also be used for automatically regulating the angle of the blade of the pump according to the change condition of water levels of inland and outland rivers and the load of the main motor, and is suitable for being used by all full-regulation water pump sets.

The invention discloses a multi-position automatic north-seeking method for a uniaxial laser north seeker. The multi-position automatic north-seeking method comprises the following steps: after receiving a north-seeking instruction, performing real-time error compensation on a gyroscope and an accelerometer; performing motor drive control according to a set target angle, sampling with an instrument after reaching the target angle; using a multi-position sampling result for resolving a attitude and an azimuth angle of the uniaxial laser north seeker; performing motor control and resolving repeatedly to realize the continuous multi-position automatic north-seeking of the north seeker. According to the invention, the automatic north-seeking method is high in reliability, low in hardware cost, reasonable and efficient in control process, can provide omnidirectional attitude and azimuth information for a carrier, and achieves an uninterrupted continuous north-seeking mode.

Embodiments for starting an engine are provided. In one embodiment, an engine control method comprises, during engine cranking, commencing fuel injection when intake manifold pressure drops below a threshold, the threshold based on fuel volatility. In this way, the stability of engine starts using low volatility fuels may be increased.

The mosquito net elevator includes a driver, a driving gear and elevating pulleys in the same number as the drawing points. It features that around the driving gear there are drawing units in the same number as the drawing points. Each drawing unit consists of one casing, one middle shaft, one driven gear, one reel and one piece of elevating rope. It also features that between the driven gear and the reel in each drawing unit there is an overload separator and one brake. The elevator is superior in that each drawing unit is used to draw a piece of rope and thus there is no twisting failure and that the elevator elevates the net in balanced and regular mode.

The invention relates to an electronic component mounting device. In this device, there is a rotating body used to change the direction of the component mounting part. The rotating body is fixed on a hollow rotating shaft through an intermediate flange. The hollow shaft is arranged on a hollow motor and drives the hollow motor to rotate. The whole body rotates. An electronic component used to change the direction of the component mounting part is arranged in the rotating body, and a lead wire extends from the electronic component, and is in a loose state or in a spiral shape in the hollow rotating shaft. The lead wire is arranged in the hollow body used to change the direction of the component installation part, and one end of the lead wire is fixed on the rotating body. In addition, the inner surface of the hollow rotating body and the surface of the coupling shaft are covered with protective materials.

A method and a computed tomograph produce CT images of high resolution by circular scanning of a moving object by scanning sub-segments in a number of successive rest phases of an object under examination, and by respectively reconstructing and reformatting the sub-segments in order subsequently to add up a number of tomograms of the sub-segments. The sum of the sub-segments as a whole reproduce a complementary half segment of a circuit of the focus about the examination object. The moving object is thereby completely scanned, without lateral movement, by the beam being used.

The invention provides a centrifuge tube with a cell filter, wherein cell liquor poured into the centrifuge tube is filtered in an earlier stage, so that cells with relatively great volume are filtered; the rotating time required by rotation and separation in a later stage is shortened, so that the energy loss is reduced, and the centrifuge tube is energy-saving and environment-friendly. The centrifuge tube with the cell filter comprises a tube body and a cover, wherein the cover in a centrifugal state is in threaded connection with the upper end of the tube body. The centrifuge tube with the cell filter is characterized by further comprising the cell filter which specifically comprises a frame and a filter membrane. The frame comprises an upper circular ring surface, a lower circular ring surface and a middle connecting rod, wherein the upper and lower circular ring surfaces are connected through the middle connecting rod. The filter membrane comprises a bottom filter membrane and an outer circular filter membrane. The lower end face of an excircle part of the bottom filter membrane is supported on the upper end face inside the lower circular surface.

The invention relates to a deceleration clutch device. The deceleration clutch device comprises a shell, a clutch shaft sleeve and a shifting fork, wherein the upper portion of the clutch shaft sleeve is connected with the shell, and the shifting fork makes contact with the clutch shaft sleeve. Relative motion exists between the shifting fork and the clutch shaft sleeve, and lubricating grease is arranged on the surface where the shifting fork makes contact with the clutch shaft sleeve so as to reduce the sliding friction force between the shifting fork and the clutch shaft sleeve. The invention further relates to a washing machine. The washing machine is provided with the deceleration clutch device. The lubricating grease is arranged on the surface where a positioning flange makes contact with the shifting fork so as to reduce the sliding friction force between the positioning flange and the shifting fork, the sliding speed of the shifting fork is increased, the up-down sliding speed of the clutch shaft sleeve is increased, the speed at which a dewatering shaft is separated from a rotor and the speed at which the dewatering shaft is approached to the rotor are increased, the difference between the rotating time and the set time of a washing barrel is reduced, the frictional abnormal noise is reduced, the reliable performance of a clutch is improved, and the user experience effect is improved.

In a developing method, a developer is supplied onto a resist film provided on a substrate, made of a resist and having an upper surface on which design patterns having different mask opening ratios are exposed and a development reaction is caused to proceed on the resist film with the supplied developer. After the development, the substrate is rotated so that the developer and the resist dissolved in the developer are removed. Then, a rinsing solution is supplied onto the resist film subjected to development and the substrate is rotated, thereby washing out the developer and the resist dissolved in the developer. The rotation speed of the substrate in removing the developer is a half or less of the rotation speed of the substrate in the rinsing step of washing out the resist.

The invention discloses an audio device recognition method and system, and relates to the field of mobile terminal devices. The method includes the following steps that an intelligent device sends square waves with the fixed frequency to an audio device in the preset time period; the audio device receives the square waves with the fixed frequency and then conducts binary coding on an audio device number, bit separators are set between every two adjacent bits in the binary coding process, the binary codes provided with the bit separators are converted into variable-frequency square waves, and the variable-frequency square waves are sent to the intelligent device; the intelligent device decodes the variable-frequency square waves according to the variable-frequency square wave frequency rule after receiving the variable-frequency square waves, the audio device number is obtained, and an audio device driver corresponding to the audio device number is loaded according to the audio device number. By means of the audio device recognition method and system, the time spent on training the intelligent device in a rotation mode is reduced, and the loading speed of the audio device driver is increased.

The invention provides a method and a device for saving and scanning disk modification record, wherein the saving method comprises the following steps: detecting whether a file is modified in a first disk area; when a first file is modified, generating file modification record corresponding to the first file; and storing the modification record of the file in a corresponding buffer in a disk; reading the modification record of the file from the corresponding buffer in the disk and storing the modification record in a first record tape. The scanning method comprises the following steps: acquiring first information; sorting out the first information to obtain second information; displacing the second information to obtain third information of a second record tape; reading the third information when a recording head passes through the second record tape, and determining disk content needing scanning in at least one disk area according to the third information; and scanning the disk content needing scanning. The proposal of the invention can improve the scanning speed and reduce the scanning time of the disk.

The invention provides cooling equipment for use in machining of GH4169 turbine disk forgings, which can solve the problems of low cooling rate, instable product quality and the like in the conventional GH4169 ally forging cooling process. The cooling equipment comprises a cooling water tank, wherein the bottom of the cooling water tank is provided with a rack. The cooling equipment is characterized by also comprising a cooling machine, wherein the cooling machine is connected with the cooling water tank through an external circulating pipe; and the cooling water tank is also connected and provided with an internal circulation system.

The invention discloses a compound rotary polishing method of a centrifugal pump impeller. A polishing device matched with the polishing method comprises a base, a support, a barrel, an impeller body, transmission shafts, a current stabilizer, a water storage tank, a porous plate, a bottom drive device and a top drive device. The top drive device and the bottom drive device are controlled to operate; after operating for a period of time, the bottom drive device is automatically stopped and the top drive device is started; and after the top drive device operates for a period of time, a power source of the top drive device is stopped, such cyclic operation is performed, and automatic control is achieved. According to the compound rotary polishing method of the centrifugal pump impeller, the structure is simplified, the size is small, the polishing efficiency is high, and the cost is low.

The invention provides a vertical injection molding machine capable of stopping the repeatedly revolved turntable at predetermined positions. During operation of a vertical injection molding machine (1) having one or more lower molds (15) mounted on a turntable (14) and an upper mold (16) mounted on an upper retention plate (13), lubricant is periodically fed from a pump (30) to a slide portion (S) of the revolving turntable (14). Thereby, the slide resistance of the sliding portions (S) of the turntable (14) is maintained constant, by which the repeatedly revolved turntable (14) is enabled to stop accurately at predetermined positions. Thus, the present machine enables the lower molds (15) which are repeatedly clamped with the upper mold (16) to stopped at the predetermined position.

The invention discloses a manual hydraulic carrying vehicle. The manual hydraulic carrying vehicle comprises a handle, an oil cylinder body, a large piston rod, a small piston rod, a supporting base body, a rear wheel, a rear connection rod, a vehicle body, a front connection rod and a front support. The front support comprises a support body, balls, rolling balls and a gland. The support body is provided with spherical-surface grooves. The rolling balls are put in the spherical-surface grooves. The multiple balls are put between each spherical-surface groove and the corresponding roll ball. Round holes are formed in the positions, corresponding to the rolling balls, of the gland. The gland is connected with the support body through screws. The balls and the rolling balls are limited in the spherical-surface grooves, and a part of the rolling balls makes contact with the ground through the gland. According to the manual hydraulic carrying vehicle, the vehicle running direction can be freely changed along with the driving force direction through the novel driving wheel structure, the output of tractive effort of a consignment person during vehicle steering is reduced, the time and effort are saved, and the operation strength is reduced.

The invention discloses an automatic hanging anti-falling device and relates to the technical field of electric power maintaining and protecting equipment. The automatic hanging anti-falling device comprises a somersaulting tackle and an anti-falling device arranged on the somersaulting tackle; the somersaulting tackle comprises a frame and an automatic closing and locking device arranged on the frame; the automatic closing and locking device is movably connected with the frame and controls a cable slide way of the somersaulting tackle to be opened or closed; and due to the automatic closing and locking device movably connected with the frame and the like, it is achieved that the automatic hanging anti-falling device is safe in use.

The invention discloses a manufacturing technology of wear-resistant waterproof cloth. The manufacturing technology of the wear-resistant waterproof cloth comprises the steps of bottom cloth making, bottom cloth dyeing, waterproof paint feeding, wear-resistant paint feeding, and cleaning and cutting; a specific manufacturing process is as follows: the bottom cloth making process comprises the steps of cheese winding, beaming, sizing, denting, weaving and after finishing, in the cheese winding step, firstly, raw yarn conveyed from a spinning factory is made into cheese with great volume; then,the yarn is checked; yarn flaw points are cleared away, and the yarn is wound into a uniform and firm reel under a certain tension. The invention relates to the manufacturing technology of the wear-resistant waterproof cloth; the characteristics of high waterproof performance and high wear-resistant performance are realized; in a specific use process, compared with the conventional wear-resistantwaterproof cloth manufacturing technology, the manufacturing technology of the wear-resistant waterproof cloth disclosed by the invention has the advantages that a waterproof paint and a wear-resistant paint are distributive fed; a mechanical and reasonable-recipe control system is used; the rotating time among all units is reduced; the whole manufacturing efficiency is further improved.

The invention discloses a cargo circulation lifting method and an electromagnetic power generation method of cargo circulation lifting which both adopt a cargo circulation lifting device. The cargo circulation lifting device comprises a transmission mechanism, a detection mechanism and a plurality of storage mechanisms. The transmission mechanism includes an annular transmission belt, each storagemechanism includes a storage box, the detection mechanism includes detection units which generate a plurality of inventory signals and indicator units which generate a plurality of floor demand signals and floor location signals according to the floor F<n> on which each storage box is located and the floor F<m> of a building to be reached. The cargo circulation lifting method comprises the stepsthat S1, storage boxes in which cargos are stored in the multiple storage boxes are judged; S2, the distance j is calculated according to the distance j=|F<m>-F<n>|, and the distance j is arranged from smallest to largest in sequence; and S3, displacement I is calculated according to the displacement I=F<m>-F<n>, the ascending and descending order of the storage boxes is arranged from the smallestto the largest according to the distance j to enable the storage boxes to move the corresponding displacement i and reach the floor F<m> of the building and enable the transmission belt to stop rotating.

The invention discloses a 3D printing liquid tank device, a 3D printer and a 3D printing method. The device comprises a liquid tank assembly for containing a printing liquid, the liquid tank assemblyand a driving assembly are separately located on two opposite sides of a mounting plate, the liquid tank assembly is partially contained in the mounting plate, and the bottom of the liquid tank assembly is wholly transparent or transparent in position corresponding to curing light; the mounting plate is provided with a through hole for passing of the curing light at the position, corresponding tothe curing light, of the liquid tank assembly, and the output end of the driving assembly penetrates the mounting plate and is fixedly connected to the bottom of the liquid tank assembly; and the liquid tank assembly is driven by the driving assembly to perform reciprocating swing motion at a preset angle, a printing area, located in the liquid tank assembly, of a scraper assembly is in the rangeof radiation in a reciprocating swing process, so that the scraper assembly can scrape off a printing liquid located in the printing area in the reciprocating swing process in the printing area. Compared with the prior art, the printing liquid is flatter, and the printing efficiency is greatly improved.

The invention provides a woolen leather dyeing process which comprises the following step of carrying out wool dyeing and plate dyeing on a retanned woolen leather material so as to obtain dyed woolenleather, wherein a wool dyeing agent used in the wool dyeing step comprises an alkyl phosphate dyeing auxiliary agent; and in the plate dyeing step, a fatting agent is added firstly, and then dye isadded. According to the dyeing process for improving the level dyeing property of the sheared fine-wool leather provided by the invention, the combination of the dye and a wool quilt is greatly improved, the level dyeing property is improved, the combination of the plate dyeing dye and the wool quilt is reduced, the uniformity of wool color is finally improved, the convenience in operation is realized, the production cost is low, the dyeing process is suitable for mass production, the product is environment-friendly and safe, and various safety performance indexes are qualified.

In a method for operating a computed tomography device for reducing the load on at least one technical component of the computed tomography device during operation of the at least one technical component, as well as a computed tomography device and a data storage medium that implement such a method, for at least one scan parameter of the computed tomography device affecting the at least one technical component an extreme value is defined, the method being an operating mode for the computed tomography device is selected in which the settable value for the at least one scan parameter affecting the at least one technical component is limited to a certain percentage below or above the extreme value for the operation of the at least one technical component.

The invention discloses a cargo circulating lifting device and an electromagnetic power generation mechanism adopting the same. The cargo circulating lifting device is used for transporting cargoes located on one floor of a building to the other floor of the building. The cargo circulating lifting device comprises a transmission mechanism, a detection mechanism, a controller and a plurality of storage mechanisms, wherein the transmission mechanism comprises an annular transmission belt, a driving motor, a rotating shaft and two rotating wheels perpendicular to the side surface of the building,each storage mechanism comprises a storage box and a plurality of rubber columns, the detection mechanism comprises detection units arranged in the storage boxes and indicating units installed on theside surfaces of the storage boxes. According to the cargo circulating lifting device, the transmission mechanism and the plurality of storage mechanisms are arranged so that the storage boxes can belifted to the floor needing to be reached along the transmission belt, then lifting of the cargoes is completed, the cargoes can be conveniently lifted and transported, the cargo transportation efficiency is improved, the physical labor of cargo delivery personnel is reduced, moreover, the gravity of the plurality of storage boxes on the two sides of the transmission belt is mutually balanced, then the burden of lifting is reduced, and the operation efficiency of the device is improved.

The invention discloses a multifunctional straw harvester, and relates to a straw harvester. The multifunctional straw harvester is used for solving the problems that when the rotating direction of a material conveying arm in an existing corn straw harvester is adjusted, the process is complex, the direction of a spraying nozzle of the material conveying arm can not be adjusted, the ensilage and yellow corn silage simultaneous harvesting effect can not be achieved, and the adsorption effect of a draught fan is not thorough. In the multifunctional straw harvester, a speed reducer is located on one side of a main machine shell, an output shaft of the speed reducer penetrates through the main machine shell to be connected with one end of a picking roller, a second-stage speed reduction device is located on the other side of the main machine shell and connected with the other end of the picking roller, an automatic rotating device used for a material conveying arm is arranged between a draught fan and the material conveying arm, a manual adjusting device is arranged on the material conveying arm, a supporting frame is fixedly connected into the main machine shell and located above a picking and smashing rotary cutter, an ensilage cover plate and a yellow corn silage cover plate are both arranged on the supporting frame, multiple rows of exhaust openings are evenly machined in the yellow corn silage cover plate in the thickness direction of the plate face of the yellow corn silage cover plate, and the yellow corn silage cover plate comprises a front cover body and an upper cover plate. The multifunctional straw harvester is used for harvesting straw.

The invention belongs to the technical field of washing equipment, and particularly provides a clothes washing control method of washing equipment and the washing equipment. The invention aims to solve the problem of poor fragrance retaining effect of clothes in the fragrance retaining step of existing washing equipment. In order to achieve the purpose, the clothes washing control method of the washing equipment comprises a rinsing step and further comprises a fragrance retaining step after the rinsing step. The fragrance retaining step further comprises the steps of adding a fragrance retaining agent; and controlling a rotating motor to operate in multiple stages, wherein each stage comprises one time of starting and one time of stopping; and the ratio of the start time to the stop time in each stage is defined as a start-stop ratio, and the numerical value of the start-stop ratio of the two adjacent stages is smaller and smaller along with the operation of the fragrance retaining step. According to the invention, fuller contact of clothes and the fragrance retaining agent is converted to longer-time retention, so that more fragrance retaining agent can be retained on the clothes in different stages, the concentration of the fragrance retaining agent on the clothes is enhanced, the fragrance retaining effect is enhanced, and the use experience of a user is improved.

The invention relates to a frequency-conversion hand-rubbing motor reducing clutch device which comprises a clutch shaft sleeve and a poking fork contacted with the clutch shaft sleeve, wherein relative motion exists between the poking fork and the clutch shaft sleeve; and lubricating grease is applied on a contact face between the poking fork and the clutch shaft sleeve, so slide friction force between the poking fork and the clutch shaft sleeve is reduced. The invention also relates to a washing machine, wherein the frequency-conversion hand-rubbing motor reducing clutch device is disposed on the washing machine. According to the invention, the lubricating grease is applied on the contact face between a positioning convex part and the poking fork, so slide friction force between the poking fork and the positioning convex part is reduced; slide speed of the poking fork is increased; vertical slide speed of the clutch shaft sleeve is increased; separation and approaching speeds of a dewatering shaft and a rotor are increased; the difference between rotation time of a washing bucket and set time is reduced; abnormal friction sounds are reduced; reliability of the reducing clutch device is enhanced; and users' experience effects are improved.

The invention provides a drying air duct, a washing and drying all-in-one machine and a control method of the drying air duct, relates to the field of washing machines, and solves the problems that clothes are accumulated at the bottom of a drum and the drying efficiency is low due to the fact that the rotating speed of an inner drum is low in the later drying period. The drying air duct comprises an air duct body, a main air inlet and flow dividing air inlets, the main air inlet and the flow dividing air inlets are formed in a door seal assembly outside a barrel and communicate with the air duct body, the main air inlet is located in the position above the middle of the door seal assembly and can enable air to be blown into the barrel, and all the flow dividing air inlets are located in the position below the middle of the door seal assembly and can enable the air to be blown into the barrel. And the wind can be blown into the cylinder. According to the drying air duct, in the later drying period, the main air inlet is turned down or closed, when the amount of clothes in the drum is larger than that of the split-flow air inlet, part of hot air sent out by the split-flow air inlet can be blown to the clothes above the split-flow air inlet, part of hot air can be blown to the clothes below the split-flow air inlet, and therefore the clothes at the bottom of the drum can exchange heat with the hot air; and the drying efficiency is improved.

The invention discloses a cargo circulating lifting device and an electromagnetic power generation mechanism adopting the same. The cargo circulating lifting device is used for transporting cargoes located on one floor of a building to the other floor of the building. The cargo circulating lifting device comprises a transmission mechanism, a detection mechanism, a controller and a plurality of storage mechanisms, wherein the transmission mechanism comprises an annular transmission belt, a driving motor, a rotating shaft and two rotating wheels perpendicular to the side surface of the building,each storage mechanism comprises a storage box and a plurality of rubber columns, the detection mechanism comprises detection units arranged in the storage boxes and indicating units installed on theside surfaces of the storage boxes. According to the cargo circulating lifting device, the transmission mechanism and the plurality of storage mechanisms are arranged so that the storage boxes can belifted to the floor needing to be reached along the transmission belt, then lifting of the cargoes is completed, the cargoes can be conveniently lifted and transported, the cargo transportation efficiency is improved, the physical labor of cargo delivery personnel is reduced, moreover, the gravity of the plurality of storage boxes on the two sides of the transmission belt is mutually balanced, then the burden of lifting is reduced, and the operation efficiency of the device is improved.