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128results about How to "Smooth conversion" patented technology

Tire structure for wheelchair

The invention discloses a tire structure for a wheelchair. A plurality of pattern groups are uniformly distributed at intervals on a tread of a tire in the circumferential direction, each pattern group contains an inverted S-shaped pattern block on the center line of the tread, and each inverted S-shaped pattern block comprises a central axle part and two flank parts, wherein the two correspondingflank parts are at 180 degrees from each other along the center of the tread. The central axle parts are located on the center line of the tread and are in a concave-convex shape with a wide upper end, a narrow middle end and a wide lower end in the circumferential direction of the tire. The two flank parts of the inverted S-shaped pattern blocks are arranged on one sides of the upper and lower ends of the central axle parts in an opposite mode. According to the tire structure for the wheelchair, through the structural design of the inverted S-pattern blocks on the center line of the tread, so that the inverted S-pattern blocks located at the center of the tread has double directionality, the tire can be switched smoothly between forward, backward, rotation and any other movement, the wheelchair is enabled to be labor-saving in pushing, agile and durable, a good catching performance is played, and safety hazards are reduced.
Owner:CHENG SHIN RUBBER (XIAMEN) IND LTD

Voice conversion using interpolated speech unit start and end-time conversion rule matrices and spectral compensation on its spectral parameter vector

A voice conversion rule and a rule selection parameter are stored. The voice conversion rule converts a spectral parameter vector of a source speaker to a spectral parameter vector of a target speaker. The rule selection parameter represents the spectral parameter vector of the source speaker. A first voice conversion rule of start time and a second voice conversion rule of end time in a speech unit of the source speaker are selected by the spectral parameter vector of the start time and the end time. An interpolation coefficient corresponding to the spectral parameter vector of each time in the speech unit is calculated by the first voice conversion rule and the second voice conversion rule. A third voice conversion rule corresponding to the spectral parameter vector of each time in the speech unit is calculated by interpolating the first voice conversion rule and the second voice conversion rule with the interpolation coefficient. The spectral parameter vector of each time is converted to a spectral parameter vector of the target speaker by the third voice conversion rule. A spectrum acquired from the spectral parameter vector of the target speaker is compensated by a spectral compensation filter or power ratio. A speech waveform is generated from the compensated spectrum.
Owner:TOSHIBA DIGITAL SOLUTIONS CORP

Cylindrical driven clamping type piezoelectric wriggle linear motor

The invention relates to a piezoelectric drive device, in particular to a cylindrical driven clamping type piezoelectric wriggle linear motor to solve the problems that an existing drive clamping type wriggle motor cannot be powered off or self-locked and is not suitable for a compact, thin and long motion mechanism, and a driven clamping type wriggle motor is large in axial size and low in concentricity and control precision and needs an independent guide mechanism. The cylindrical driven clamping type piezoelectric wriggle linear motor comprises a guide rail, a drive mechanism, two annular gaskets and two sets of clamping mechanisms. The drive mechanism comprises a drive sleeve, a first piezoelectric stack and two clipping bodies. Each set of clamping mechanism comprises a clamping body, three second piezoelectric stacks and three flexible bodies. The middle of the drive sleeve is provided with the first piezoelectric stack, the clipping bodies, the gaskets and the clamping bodies are installed inside the drive sleeve from interior to exterior in a left-and-right symmetrical mode, the clipping bodies are in threaded connection with the drive sleeve, and the three flexible bodies are respectively and evenly distributed on the inner surfaces of the clamping bodies in the circumferential direction of the clamping bodies. The piezoelectric drive device is applied to the precise positioning and driving field.
Owner:HARBIN INST OF TECH

Low-flow fast movable cylinder

InactiveCN102788061ASolve matching problemsSolve the problem of mutual conversionFluid-pressure actuatorsPiston rodPlunger
The invention discloses a low-flow fast movable cylinder which comprises a cylinder barrel, a piston, a piston rod and a plunger. Both the piston rod and the plunger are hollow, an inner cavity of the cylinder barrel is divided into a first oil storage cavity and a second oil storage cavity by the piston, one end of the piston rod is fixedly connected with a side surface of the piston, and the other end of the piston rod is connected with a side wall of the first oil storage cavity in a sliding fit manner; one end of the plunger is fixedly connected with a side wall of the second oil storage cavity, the other end of the plunger is connected with the piston in a sliding fit manner and extends into a hollow cavity of the piston rod, an opening is arranged on the plunger, a hollow cavity of the plunger is communicated with the hollow cavity of the piston rod via the opening, so that a third oil cavity is formed between the piston rod and the plunger; and a third oil port, a second oil port and a first oil port which are respectively communicated with the hollow cavity of the plunger, the second oil storage cavity and the first oil storage cavity are arranged on the wall of the cylinder barrel. By the aid of the cylinder, oil cylinders with equal speeds and oil cylinders with different speeds can be switched mutually, flow of the cylinders with the equal speeds and flow of the cylinders with different speeds in a hydraulic system are matched, and the low-flow fast movable cylinder can be applied to working places with requirements on high-speed movement and high thrust.
Owner:EXPLORATION TECH RES INST OF CHINESE ACADEMY OF GEOLOGICAL SCI +1

Double-side jacquard velvet with plain color shadows and weaving method of double-side jacquard velvet

InactiveCN105755649AMaintain the original ecological characteristicsCreate pollutionWoven fabricsPulp and paper industryWeft yarn
The invention discloses a double-side jacquard velvet with plain color shadows. The double-side jacquard velvet comprises a piece of base cloth, wherein a front leaning pile region, a rear leaning pile region and an erecting pile region form a velvet fabric with plain color shade patterns on two sides of the base cloth, the base cloth is formed by weaving of stretched warp yarns, loose warp yarns and base cloth weft yarns, and the stretched warp yarns and the loose warp yarns are woven in a matching manner, so that every three base cloth weft yarns form a group in a warp yarn direction, and each group of the base cloth weft yarns and the plane of the base cloth are arrayed in the shape of an arrow towards the bottom right, top right or right, the velvet warp yarns are fixedly connected to three base cloth weft yarns in each group in a W shape, and through velvet cutting, weft pulling and rear finishing, front leaning piles, or rear leaning piles or erecting piles are formed. The double-side jacquard velvet with the plain color shadow does not need dyeing treatment or thermoplastic treatment, shadow patterns can be formed on the two sides of the velvet, environment pollution cannot be generated in the production process, and besides, the velvet without chemical dyeing treatment maintains the original ecology characteristics of the velvet to the maximum extent. The invention further discloses a weaving method of the double-side jacquard velvet with the plain color shadow.
Owner:LIAONING CAIYI WILD SILK PROD

Amphicar structure

The invention provides an amphicar structure, which comprises an amphicar body, a chassis, a plurality of wheels, a propeller, a power system and a drive system, wherein the amphicar body is connected with the chassis; the power system and the drive system are installed on the chassis; the drive system comprises a power conversion device and a wheel collecting and releasing device; the power conversion device comprises a first drive mechanism, a second drive mechanism and a transfer case; the power system and the transfer case are connected; the transfer case can be independently connected with the first drive mechanism or the second drive mechanism; the first drive mechanism is connected with the propeller; the second drive mechanism is connected with the wheels; the wheel collecting and releasing device is connected with the wheels. The amphicar structure can realize stable drive and smooth conversion, power can be stably transmitted, driving is more stable, and the power conversion of an amphicar in water and on land can be perfectly realized. In addition, the collection and the release of the wheels can be realized, the wheels are collected when the amphicar is driven on water, resistance between the amphicar body and the water surface can be reduced, and the amphicar can be more stably and quickly driven on the water.
Owner:YANCHENG INST OF TECH

Method for smelting high-phosphorus steel through converter

The invention relates to a method for smelting high-phosphorus steel through a converter. The method includes the following steps of firstly, adding all active lime and light-burned dolomite at a timewithin 5 minutes of open blowing of the converter, controlling the alkalinity of final slag to be 2.0-2.5 and the oxygen pressure in the smelting process to be 0.85-1.00 Mpa, controlling the positionof a blowing lance to be 100-200 mm lower than that in normal dephosphorization melt, applying the high-low-low lance position to an oxygen lance in the blowing process, controlling the end point carbon temperature to hit the target, controlling the temperature, measured by a sublance, of a molten pool of a TSC to be 1610-1640 DEG C when oxygen blowing is completed by 80-85%, and forbidding to add a cold material within 100 seconds before oxygen blowing ends; secondly, controlling the end point carbon C in the converter to be 0.04-0.09%, controlling the tapping temperature to be 1645-1685 DEGC, and controlling the end point phosphorus P to be 0.040-0.070%; and thirdly, pouring part of slag after tapping is completed, adding light-burned dolomite for slag-splashing for protection of the converter, determining whether slag needs to be poured or not according to the after-slag-splashing slag amount condition, and controlling the residual slag amount to be 3-5 t for a next round of high-phosphorus steel smelting in the converter. By means of the method, the consumption of slag and alloy can be reduced, and the continuous and stable smelting of the converter can be ensured.
Owner:SGIS SONGSHAN CO LTD

Flow path selector valve

A flow path selector valve for switching between a cooling state and a heating state by rotation of a main valve (3) together with a auxiliary valve (4), wherein rotational operation of the main valve (3) and the auxiliary valve (4) are simplified to make operation of the main valve (3) reliable and to reduce a switching time. An outdoor heat exchanger-side communication passage (31A) and an indoor heat exchanger-side communication passage (31B) are formed in the main valve (3). An outdoor heat exchanger-side equalizing hole (34a) for connecting the outdoor heat exchanger-side communication passage (31A) to a valve chamber (11) is formed in the main valve. An indoor heat exchanger-side equalizing hole (34b) for connecting the indoor heat exchanger-side communication passage (31B) to the valve chamber (11) is formed in the main valve (3). A closing section (43A) for closing the outdoor heat exchanger-side equalizing hole (34a) and an equalizing hole opening section (45B) for opening the indoor heat exchanger-side communication passage (34b) are also formed in the auxiliary valve (4). A closing section for closing the indoor heat exchanger-side equalizing hole (34b) and an equalizing hole opening section for opening the outdoor heat exchanger-side communication passage (34a) are also formed in the auxiliary valve. A support section sliding on an auxiliary valve seat (34) is formed on the auxiliary valve (4). The main valve (3) is rotated 90 DEG by merely operating the auxiliary valve (4) in either forward or reverse directions, and this switches between the cooling state and the heating state.
Owner:SAGINOMIYA SEISAKUSHO INC

Saccharomyces cerevisiae and application thereof in preparing (R)-(+)-beta-hydroxy-benzenepropanoic acid ethylester by microbial transformation

The invention provides a new strain-Saccharomyces cerevisiae CGMCC NO.3361 and application thereof in preparing (R)-(+)-beta-hydroxy-benzenepropanoic acid ethylester by microbial transformation. The Saccharomyces cerevisiae was collected in China General Microbiological Culture Collection Center (CGMCC), the address of which is Institute of Microbiology, Chinese Academy of Sciences, Datun Road, Chaoyang District, Beijing 100101. The collection date is October 23, 2009 and the collection number is CGMCC NO.3361. The beneficial effects of preparing (R)-(+)-beta-hydroxy-benzenepropanoic acid ethylester by the microbial transformation method in the invention are mainly as follows: (1) the biocatalyst is a microbial thallus, thus is lower in cost than the chemical catalysts; (2) the environment is friendly, the reaction conditions are mild and the transformation can be carried out smoothly under normal temperature and normal pressure; (3) the strain used in the production is safe and nontoxic; (4) the method is not influenced by seasons and is easy to realize large-scale industrial production; (5) the production operation is simple and convenient and the biotransformation rate is higher; and (6) coenzyme is unnecessary to be added in the whole reaction process.
Owner:ZHEJIANG UNIV OF TECH

Steel rolling system provided with no-twist interchange type rolling piece guiding device

The invention discloses a steel rolling system provided with a no-twist interchange type rolling piece guiding device, and is characterized in that a second rolling mil counting backwards in a finish rolling region is a horizontal rolling mill, a sliding type outlet guiding device is arranged on the last but one rolling mill, a movable looping device is arranged at a rolling piece outlet end of the sliding type outlet guiding device, a no-twist interchange type rolling piece guiding device used for changing a row of horizontally-arranged rolling pieces into a vertically-arranged row is arranged at the rolling piece outlet end of the movable looping device, and a last rolling mill provided with an inlet guiding device is arranged at the rolling piece outlet end of the no-twist interchange type rolling piece guiding device, and is of a vertical rolling mill. The invention is applicable to rolling a steel production line, and has the advantages of being capable of omitting a twist guiding device, removing one fault point of the steel rolling process, smoothly realizing changing of the single-line rolling mode of a rolling system into a segmentation rolling mode, reducing the cost of the steel rolling system, being applicable to 4-slitting-segmentation, 5-slitting-segmentation and 6-slitting-segmentation steel rolling systems, and the like.
Owner:HEFEI ORIENT METALLURGICAL EQUIP
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