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51results about How to "Reduce operation frequency" patented technology

Multifunctional safety control system for tower crane

The multifunctional safety control system for tower crane possesses integrated several functions and is used for effective monitoring on tower crane for safe running. It consists of control circuit and system software. The control circuit consists of microprocessor module, sensor and signal processing module, relay module, keyboard and LCD module, and communication module. All the modules are installed inside one box, the sensor is connected through cable to the box, and the software has the embedded operation system muCOS-II as platform and multiple decomposed tasks for the whole system control.
Owner:XINGTAI YATAI HEAVY IND MACHINERY

Sliding display method and sliding display device of list data of mobile terminal

The embodiment of the invention provides a siding display method and a siding display device of list data of a mobile terminal. The siding display method comprises the following steps of: displaying a data target in a list; when detecting list sliding operation on the data target, calculating the sliding speed of the data target; calculating the sliding distance of the data target according to the sliding speed; and if the sliding speed is greater than a first preset speed threshold, performing refresh display on the data target according to the sliding distance. By adopting the siding display method provided by the embodiment of the invention, the refresh frequency is dynamically adjusted under the situation that the sliding speed is relatively high, in primary refresh display, the time for moving the distance threshold is generally longer than conventional primary refresh time based on refresh frequency, that is, the refresh frequency after dynamic adjustment is smaller than the set refresh frequency, and the operation of re-drawing the interface of a whole list control can be reduced.
Owner:QINGDAO HISENSE MOBILE COMM TECH CO LTD

Water level prediction analysis and control method of a hydropower station reservoir

The invention discloses a water level prediction analysis and control method of a hydropower station reservoir, comprising the following steps: 1) acquiring real-time operation information of a cascade hydropower station group; 2) calculating the change amount of the water storage flow in the reservoir; 3) analyzing and predicting that trend of the reservoir water level, and drawing a water levelchange trend map; 4) calculating the suggested open degree of the gate adjustment, and automatically adjusting the opening degree of the gate; 5) when the gate adjustment needs to increase the discharge, automatically communicating the automatic linkage flood release warning system to send the flood release warning information to the person in charge of the downstream flood control in a timely manner. The invention can accurately predict the short-term change trend of the water level of the reservoir of the hydropower station, and further adjust the gate so as to reduce the operation frequencyof the gate, improve the gate adjustment precision and realize the purpose of maximizing the utilization of water resources for generating electricity. At the same time, when the discharge of the gate is increased, the flood release warning information can be transmitted in time through communication with the flood release warning system, so as to ensure the safety of the life and property of people in the downstream.
Owner:YALONG RIVER HYDROPOWER DEV COMPANY

Suction nozzle and surface mounting machine

The invention provides a suction nozzle and a surface assembling machine. The suction nozzle comprises: a suction nozzle body (22) with an element absorption plane (49) and an air passage, an embedded hole (26) embedded in the suction nozzle body (22), a suction nozzle seat (21) arranged on the absorption head (3), a pin (23) blocked with the block groove (48) of the suction nozzle body (22) and limiting the suction nozzle body (22) only to move in a prescribed movement amount, and a compression spring (25) acting on the suction nozzle body (22). The compression spring (25) at the outside of the suction nozzle body (22) is elastically arranged between the suction nozzle body (22) and the suction nozzle seat (21). The block groove (48) is formed at the outside of the air passage (47) on the suction nozzle body (22). The pin (23) is supported on the suction nozzle seat (21) in a state of blocking with the block groove (48) and passing across the embedded part of the suction nozzle seat (21) and the suction nozzle body (22). After the suction nozzle of the invention is used, the foreign matter is difficult to attach to the interior, thereby reducing the operation frequency of cleaning.
Owner:YAMAHA MOTOR CO LTD

Web access method and device

The invention discloses a web access method and device and belongs to the computer field. The web access method comprises receiving shortcut signals which are preset and generated by shortcuts corresponding to web sites of web pages to be opened; determining the web sites of the web pages to be opened according to the received shortcut signals; and accessing to the web pages to be opened according to the web sites of the determined web pages to be opened. The web access device comprises a receiving module, a web site determining module and an access module. According to the web access method and device, access operation of the web pages is achieved according to the shortcuts corresponding to the web pages, so that the web page access can be rapid, the operation frequency of the web page access can be reduced, the steps of the web page access can be simplified, and the convenience of the web page access can be improved. In addition, the set shortcuts are displayed in a shortcut menu way to provide shortcuts (comprising shortcut keys and or shortcut icons) which can be selected to click for users, so that the web access speed can be further improved, the web access operation can be simplified, and the user experience is improved.
Owner:深圳市雅阅科技有限公司

Data processing method and device and block chain core distributed system

The application provides a data processing method and device and a block chain core distributed system. The method includes the following steps: marking each hotspot transaction instruction in a hotspot transaction instruction set as a hotspot capital outflow instruction or a hotspot capital inflow instruction, wherein the hotspot capital outflow instruction refers to the transfer of capital from a hotspot account to other accounts, and the hotspot capital inflow instruction refers to the transfer of capital from other accounts to the hotspot account; decomposing the hotspot capital outflow instruction into a single-account capital outflow sub-instruction and a multi-account capital inflow sub-instruction; decomposing the hotspot capital inflow instruction into a single-account capital inflow sub-instruction and a multi-account capital outflow sub-instruction; grouping a single-account capital outflow sub-instruction, a multi-account capital inflow sub-instruction, a single-account capital inflow sub-instruction and a multi-account capital outflow sub-instruction belonging to the same hotspot account as a sub class set; and when verifying that all sub-instructions in a sub class set are legitimate, packaging the sub-instructions in the sub class set and writing the sub-instructions into a block of a block chain. The efficiency of data processing is improved.
Owner:成都质数斯达克科技有限公司

Cache device based on adaptive routing and scheduling policy

The invention discloses a cache device based on adaptive routing and scheduling policy. The cache device comprises a controller and an external cache memory component, wherein the controller comprises a speed pre-judging module, input buffer modules I and II, output buffer modules I and II, a routing and scheduling module, a cache memory control module and an SSD control module; and the adaptive routing and scheduling module realizes dynamic routing and storage of a data link by adopting an AOS virtual channel dynamic scheduling protocol. The cache memory component establishes a 'memory bank' by using an external cache memory to expand the data storage depth. In the invention, a three-level data route and a buffer mechanism are established by using the internal second-level buffer of the controller and the external cache memory; and through the dynamic routing and scheduling method, the buffering reuse of a high-speed input / output data channel of the external cache memory component is realized, and the utilization rate of the storage bandwidth of the caching memory component is increased.
Owner:SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM

Speed giving driver controller of electric locomotive

ActiveCN102991509AThe command signal is stableAvoid failureLocomotivesAutomatic controlElectric power
The invention discloses a speed giving driver controller of an electric locomotive. The speed giving driver controller comprises a non-contact angle sensor, a logic operation control unit, a speed control remover, a digital display tube and a buzzer, wherein the logic operation control unit is connected with the non-contact angle sensor, the speed control remover, the digital display tube and the buzzer respectively; and the logic operation control unit is further provided with an actual locomotive speed signal connector, a limited speed signal connector, an instruction signal output connector, and I-grade, II-grade and III-grade magnetic field weakening signal output connectors. The speed giving driver controller of the electric locomotive has the beneficial effects that the non-contact angle sensor is adopted and an instruction signal is stable; a fault caused by abrasion is avoided and maintenance-free operation can be realized; locomotive constant-speed giving is automatically controlled and the speed giving driver controller effectively guarantees that the locomotive can operate safely at the highest speed; magnetic weakening is automatically controlled; and after a speed control function is removed, all functions of a common driver controller can also be finished.
Owner:CSR CHENGDU

Automatic renting, selling and recycling integrated machine for portable power supplies and renting, selling and recycling method of machine

The invention discloses an automatic renting, selling and recycling integrated machine for portable power supplies and a renting, selling and recycling method of the machine. The machine comprises a machine shell and a power supply charging rack; the power supply charging rack is fixedly installed in the machine shell and provided with a plurality of charging boxes for the portable power suppliesto be plug in, one side of each charging box is provided with a power supply plug port, the machine shell is provided with openings corresponding to the power supply plug ports, the box bottoms of thecharging boxes are provided with charging ports connected with a power supply source, and the charging boxes on the power supply charging rack are provided with elastic buckling mechanisms capable offixing the portable power supplies. The method of the machine comprises a renting and selling process and a recycling process. By means of the automatic renting, selling and recycling integrated machine for the portable power supplies and the renting, selling and recycling method of the machine, the rapidity and convenience of the offline renting and selling process are effectively improved, theoperation frequency of customers and the cumbersomeness are reduced, and the user experience is improved; through the online and offline integrated comprehensive service process, the automation degreeand the user experience are improved, and the economic benefits are high.
Owner:弗兰威尔信息科技(苏州)有限公司

Input based candidate word display method and device

The embodiment of the invention provides an input based candidate word display method and device. The input based candidate word display method comprises the steps of adopting input spelling character strings to look for one or more candidate words, judging whether the candidate words are allo-graphic synonyms or not, allo-graphic synonym prompt information are configured for the candidate words of the allo-graphic synonyms if the candidate words are the allo-graphic synonyms, and displaying one or more candidate words and the allo-graphic synonym prompt information. The input based candidate word display method and device prompt a user that the candidate words are allo-graphic synonyms, mistaken input probability is reduced, and input efficiency is improved.
Owner:BEIJING QIHOO TECH CO LTD

Information display method and device

The invention discloses an information display method and device. The method comprises the steps that when a dynamic menu of a cab calling interface in a client end is opened, the case of whether or not a use frequency of a first function item being equal to or greater than a preset threshold value is determined, the first function item is added in the menu bar containing the already used function items. Through the method, a specified number of function items will be displayed in the menu bar of the cab calling interface, so that excessive function items displayed in the menu bar can be avoided, thus the operating frequency of a user is reduced, and user operation is facilitated.
Owner:BEIJING DONGFANGCHEYUN INFORMATION TECH

Ultrasonic wave acting method and device

PendingCN110105977ARealize the standing wave field effectIncrease the chance of spawningDewatering/demulsification regulation/controlRefining by electric/magnetic meansUltrasound - actionPetrochemical
The invention belongs to the technical field of ultrasonic wave application petrochemical engineering, and particularly relates to an ultrasonic wave acting method and device. According to the ultrasonic wave acting method, a parallel correlation ultrasonic wave and pipeline reflection ultrasonic wave hybrid acting mode is adopted, the standing wave field effect is realized through parallel correlation ultrasonic wave superposition, and the spreading no-dead-corner covering and unlimited extending acting effect is realized through pipeline reflection ultrasonic waves. The ultrasonic wave acting device comprises an acting area which is thin in the middle and thick at the two ends and is of a dumbbell type pipeline structure. Two ultrasonic transducers are arranged at the two ends of the acting area and provided with coolant jackets. The defects of the prior art are overcome, the standing wave field effect and the ultrasonic wave unlimited extending effect can be easily realized, the hybrid-form ultrasonic wave acting mode is realized, the long-cycle continuous production and application of the ultrasonic waves in the industrial production can be realized through the pipeline structure, implementation is easy, and the method and device are suitable for occasions of ultrasonic wave application in the petroleum and petrochemical industry.
Owner:QINGDAO BESTSONIC TECH CO LTD

Robot gripper compatible with two different top covers

The invention discloses a robot gripper compatible with two different top covers. The robot gripper comprises a gripper frame, a clamping device, a vehicle type in-place detection sensor and at leastsix sets of suction cup high-low position switching devices. The clamping device is detachably and fixedly connected to the left side and the right side of the gripper frame; the vehicle type in-placedetection sensor is fixedly connected to the interior of the gripper frame, and is in communication connection with the clamping device and the suction cup high-low position switching device. The suction cup high-low position switching devices are fixedly connected to the front side and the rear side of the gripper frame and connected to the top surface of the top cover in an adsorption mode; thelower portion of the clamping device abuts against the top cover in a detachable mode, and the middle of the gripper frame is fixedly connected with the robot in a detachable mode. According to the robot gripper compatible with the two different top covers, switching of the two different vehicle types is achieved through one gripper, the production line space is saved, great recompatibility and reconstruction are achieved, and usage of the robot gripper is more convenient.
Owner:SAIC-GM-WULING AUTOMOBILE CO LTD

Method and device for preventing electrical desalting tank oil sludge sedimentation by means of ultrasonic waves

PendingCN110216110ASolve the technical problem of siltingLow costCleaning using liquidsUltrasound - actionWave field
The invention belongs to the technical field of petrochemical engineering applying ultrasonic waves, and particularly relates to a method and device for preventing electrical desalting tank oil sludgesedimentation by means of ultrasonic waves. According to the method, crude oil is mixed and then enters an ultrasonic wave acting device, and ultrasonic waves formed by a mixing action manner of parallel correlation ultrasonic waves and pipeline reflection ultrasonic waves are formed in the ultrasonic wave acting device through an ultrasonic wave action area structure; and a standing wave field effect is achieved through ultrasonic superposition, the ultrasonic reflection generates infinite extension, the mixed crude oil is subjected to ultrasonic treatment through a combined action of a standing wave field and the dead-angle-free coverage infinite extending, and the mixed crude oil enters an electric desalting tank for electric desalting after the treatment is finished. The method and the device are used for solving the production technical problem of oil sludge sedimentation of the electric desalting tank, and the continuous production of the electric desalting tank in 3-4-year long-period production process of an oil refinery; and the oil sludge sedimentation removing maintenance operation which conducted once a year due to abnormal shutdown of the electric desalting tank is avoided, the back washing frequency of the electric desalting tank is reduced, the electric desalting operation is simplified, and the electric desalting effect is improved.
Owner:QINGDAO BESTSONIC TECH CO LTD

Mechanical-arm guniting operation platform

PendingCN105156138AClose observation distanceLarge revolution radiusUnderground chambersTunnel liningEngineeringVertical axis
The invention provides a mechanical-arm guniting operation platform which comprises a walking machine body, a telescopic arm and a lifting device, wherein the telescopic arm is hinged on the walking machine body; the lifting device is arranged on the walking platform and used for lifting the telescopic arm; an operation platform is fixedly arranged at the top end of the telescopic arm; a rotating frame which can rotate around a vertical axis is arranged at the lower portion of the operation platform; a revolving shaft is rotatably connected with the top end of an extending portion of the rotating frame; a spray gun operation arm is hinged on the revolving shaft; a spray gun is fixedly installed on the spray gun operation arm; a feed box is arranged on the walking machine body; and the spray gun is communicated with the feed box through a conveying pipe. The mechanical-arm operation platform has the advantages as follows: the operation frequency is low; no viewing-angle dead zone is caused; a material can be sprayed uniformly, and no areas are omitted; and the machine works for a single time, and the spouting range is wide.
Owner:高荣

BIM (Building Information Modeling) processing method and system and electronic equipment

The invention relates to the technical field of model processing, and provides a BIM model processing method and system and electronic equipment, and the method comprises the steps: obtaining a to-be-decomposed wall body and an associated wall body from a BIM model; based on the intersection point of the to-be-decomposed wall body and the associated wall body, decomposing the to-be-decomposed wall body and the associated wall body into a wall body unit and an associated wall body unit respectively; the end points of the wall units serve as nodes, and the number and the extending direction of other wall units and / or associated wall units are obtained; and on the basis of the extension direction of the wall body unit and the number and the extension direction of other wall body units and / or associated wall body units, parameters of the edge component at the node are obtained. The method is used for overcoming the defects of frequent modeling operation and low efficiency caused by the fact that model creation needs to meet the design standard in the prior art, a non-standard model decomposition method based on the design standard and a method for quickly creating edge components at nodes are realized, the modeling difficulty is effectively reduced, and the modeling efficiency is improved.
Owner:SANY CONSTR TECH CO LTD

Navigation-based adaptive cruise method and system

The invention discloses a navigation-based adaptive cruise method. The method comprises the steps of acquiring radar acquisition information in front of a vehicle, and judging whether a target vehicle exists in front or not; if the target vehicle does not exist, entering a constant-speed cruise mode, acquiring vehicle-mounted navigation information in real time, and adjusting a first cruise speed according to the vehicle-mounted navigation information and a preset cruise speed; if the target vehicle exists, entering an adaptive cruise vehicle following mode, acquiring vehicle-mounted navigation information and the target speed in real time, adjusting a second cruise speed according to the vehicle-mounted navigation information and the target speed, exiting the adaptive cruise vehicle following mode when the target vehicle suddenly disappears, judging the road condition according to the vehicle-mounted navigation information, and entering a constant-speed cruise mode or uniformly decelerating and parking. The speed adjusting strategy is adopted according to the conditions that the road speed limit changes and the front target vehicle overspeeds and disappears in the adaptive cruise mode, and the safety risks such as sudden acceleration caused by overspeed and misjudgment of the vehicle are avoided.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Method for refining caprolactam

The invention relates to a method for refining caprolactam. The refining process comprises: (1) extracting crude caprolactam with benzene, wherein the extraction temperature is 30+ / -2 DEG C, and the pressure is 50+ / -5 Kpa; (2) washing the extracted benzene caprolactam solution with a hydrogen peroxide aqueous solution, wherein the washing temperature is 35-50 DEG C; (3) carrying out water back extraction on the washed benzene caprolactam solution to obtain a caprolactam aqueous solution, wherein the water back extraction temperature is 30+ / -2 DEG C, the pressure is 50+ / -5 Kpa, and a feeding ratio of the water to the feed in the water back extraction is 0.40-0.60:1, and the obtained caprolactam aqueous solution has a caprolactam concentration of about 28-38%; and (4) carrying out ion exchange treatment on the caprolactam aqueous solution by using an ion exchange device, wherein the ion exchange temperature is 45+ / -5 DEG C, and the residence time is 8-12 min. According to the present invention, with the method, the operating load of the subsequent ion exchange process is effectively reduced, the service life of the ion exchange resin is easily prolonged, the frequency of regenerationoperations is reduced, and the operating cost and the labor intensity are reduced.
Owner:CHINA PETROLEUM & CHEM CORP +1

Slitting and marking device for paper towel folding machine

The invention relates to a slitting and marking device for a paper towel folding machine. The slitting and marking device comprises a pigment marking assembly, an air cylinder and a slitting knife; the pigment marking assembly comprises a pigment container and pigment markers connected with the pigment container through pigment pipelines, and flow control units are arranged on the pigment pipelines; the air cylinder pushes the pigment markers to the position of raw paper to carry out pigment coloring and marking and is reset after marking is completed; and the slitting knife is used for slitting the raw paper. Compared with the prior art, the slitting and marking device has the advantages that the pigment flow control performance is good, the liquid adding efficiency is high, the counting marks are clear and stable, and pigment is prevented from dropping onto a product by using the pigment marker, so that peripheral products are not easily polluted, and defective products are reduced.
Owner:上海东冠纸业有限公司

Power refitting kit for lightweight bicycle and refitting control method of lightweight bicycle

The invention discloses a power refitting kit for a lightweight bicycle and a refitting control method of the lightweight bicycle. The power refitting kit for the lightweight bicycle comprises a crossbeam part, a handlebar part and a wheel part; the crossbeam part comprises mounting packages, batteries and a controller which are carried on a bicycle crossbeam; and the controller comprises a single chip microcomputer and a brushless motor driving plate. The handlebar part comprises brake power-off switches and control buttons mounted on bicycle handlebars through silicone straps. The wheel part comprises a brushless motor, a speed-measuring magnet and a speed-measuring Hall sensor. The controller is connected with the batteries, the control buttons, the brushless motor, the brake power-off switches, the speed-measuring magnet and the speed-measuring Hall sensor to form a control system. According to the power refitting kit for the lightweight bicycle and the refitting control method of the lightweight bicycle, improvement is conducted based on an original bicycle to enable the lightweight bicycle to have the power-driven function replacing manpower, control of different modes including the constant-speed mode, the power mode and the power-assisted mode is achieved, and riding and controlling are convenient.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Infrared imaging non-uniformity intelligent calibration and correction method and system

InactiveCN113267254ASolve the problem of resetting the infrared detector parametersReduce time complexityImage enhancementImage analysisNoise detectionComputer science
The invention relates to an infrared imaging non-uniformity intelligent calibration and correction method and system, and belongs to the technical field of infrared imaging systems. The method comprises the following steps: firstly, carrying out two-point correction on a currently collected infrared original image; inputting the corrected image into a trained deep convolutional neural network for non-uniformity noise detection; and if the detection result is that the non-uniform noise is contained, starting a baffle switch of the infrared detector, and resetting correction parameters of the infrared detector. Compared with the prior art, the method has the advantages that the deep convolutional neural network is used for intelligently detecting the non-uniformity noise, and the problem that a radiation blocking piece in an infrared imaging system needs to be periodically and passively operated and parameters of an infrared detector need to be reset in an existing calibration-based non-uniformity correction method is solved; therefore, the operation frequency of the radiation separation blade of the existing infrared imaging system is greatly reduced, and the probability of accidents caused by interruption of image acquisition and untimely detection is reduced.
Owner:BEIJING INFORMATION SCI & TECH UNIV

Engine braking system and whole vehicle braking cruise control method applying engine braking system

ActiveCN105545497AThe number of brake cylinders is adjustableImprove driving safetyOutput powerMachines/enginesCruise controlUltimate tensile strength
The invention relates to the technical field of whole vehicle braking and discloses an engine braking system. The engine braking system comprises an ECU, a main oil gallery, three braking electromagnetic valves and six braking rocker arms which corresponds to six air cylinders of an engine in a one-to-one mode. The ECU is connected with the three braking electromagnetic valves individually through braking electromagnetic valve wiring harnesses. An oil way of one braking electromagnetic valve communicates with two braking rocker arms. Oil ways of the three braking electromagnetic valves are connected to the main oil gallery. The invention further provides a whole vehicle braking cruise control method applying the engine braking system. According to the engine braking system and the whole vehicle braking cruise control method applying the engine braking system, the whole vehicle road safety during long downhill of a whole vehicle can be improved and the labor intensity of a driver is relieved.
Owner:WEICHAI POWER CO LTD

Method for expanding capacity of microwave photo-catalytic coupling wastewater degradation device, and improving internal circulation

The invention relates to a method for expanding the capacity of a microwave photo-catalytic coupling wastewater degradation device, and improving the internal circulation, and belongs to the technical field of wastewater treatment. On the premise of taking the microwave and photo-chemical catalytic coupling effect into consideration, the reactor aims at solving the problems of small wastewater treatment amount of a single tank of a reactor, high repeated operation frequency, insufficient internal liquid circulating strength and the like, which exist in the existing technology of microwave photo-catalytic degradation to organic pollutant industrial wastewater. The method comprises the following steps of forcibly separating and distributing the microwave radiation area inside the reactor by adopting a metal cage to lead a coupling catalytic degradation effect to perform in the metal cage; maintaining a space without microwave radiation between the outer wall of the metal cage and the inner wall of the reactor; and erecting a flared component which is used for guiding and intensifying liquid circulation right below the metal cage. According to the method, the designed capacity of the reactor is permitted to be greatly expanded, and formation of a powerful internal liquid circulation can be facilitated.
Owner:NINGBO UNIV

Goods warehousing method based on warehouse management system

The invention discloses a goods warehousing method based on a warehouse management system. The method adopts the warehouse management system, a stereo warehouse, an ERP system, a tunnel stacker, a conveyor system and a RF wireless handheld terminal, wherein the ERP system, the tunnel stacker, the conveyor system and the RF wireless handheld terminal are respectively connected with the warehouse management system through network connection, buried type RFID goods allocation labels for identifying goods allocations are arranged on the stereo warehouse, and positioning landmarks for all the goods locations are stored in the warehouse management system. The goods warehousing method is simple to operate, normative, high in automation, low in worker operation frequency and low in labor intensity.
Owner:JIASNGSU GAOKE LOGISTICS TECH CO LTD

Automatic navigation and positioning device and method for field road of agricultural machine

The invention discloses an automatic navigation and positioning device for the field road of an agricultural machine. The device comprises a side fixing frame, a PLC (programmable logic controller) controller module, a motor and a turntable. A damping frame is arranged at the bottom of the side fixing frame. A detachable battery bin is arranged on the side edge of the PLC module. Stabilizing crossbeams are further arranged on the two sides of the PLC module. The side edge of the detachable battery bin is provided with a fixing belt. The PLC module is connected with the motor through a fixed connecting frame. The motor is arranged between a signal processor and a transmission chain disc. A rotating disc is arranged on the other side of the transmission chain disc. A welding disc is arranged on the side edge of the motor. According to the invention, the relative position between the field road and the agricultural machine can be shot in real time, so that the agricultural machine is positioned, matched and navigated. Meanwhile, the device is good in real-time effect, fast in response speed, and high in automatic level and intelligent degree. As a result, the operation frequency of users on the agricultural machine can be reduced.
Owner:嘉兴科禾能源科技有限公司

Method for efficiently preparing L-isopulegol from R-citronellal

The invention provides a method for efficiently preparing L-isopulegol from R-citronellal. The method comprises the following steps: under the action of a catalyst prepared from (S)-3, 3'-bis (2, 4, 6-triisopropyl phenyl)-1, 1'-co-2-naphthol and trimethyl indium, catalyzing R-citronellal to prepare L-isopulegol; in the preparation of the catalyst, controlling the hydroxyl value and the water content in an inert solvent to be 100-500 mgKOH / kg; in the method for preparing the L-isopulegol, controlling the hydroxyl value and the water content of an R-citronellal solution to be 100-500 mgKOH / kg. The preparation method provided by the invention can maintain high reaction rate and product selectivity and high final conversion rate.
Owner:WANHUA CHEM GRP CO LTD

Rotary testing machine

The invention discloses a rotary testing machine. The rotary testing machine comprises an installation base plate, wherein four vertical columns and a motor are arranged on the installation base plate; and a lifting operation platform is sleeved on the lower parts of the vertical columns. The rotary testing machine is characterized in that: annular universal sealing grooves are centrifugally distributed on the lifting operation platform; a pressurization port and a pressure testing port are formed on the side face of the middle part of the lifting operation platform; locking devices are arranged on the sleeved parts of all the vertical columns corresponding to the lifting operation platform; an upper plate is arranged at the upper ends of the vertical columns; a lifting device is arranged between the upper plate and the lifting operation platform; the output end of the motor is connected with a speed reducer; the output end of the speed reducer is connected with a torque sensor; the torque sensor is connected with the upper plate through a transmission system; and the lower end of the transmission system passes through the upper plate to be connected with a coupler. The rotary testing machine is provided with facilities of over-temperature alarm, overpressure alarm, overload protection and the like, is provided with a control cabinet, a visualized operation interface, a manual operation area and an automatic operation area, and can be manually operated.
Owner:SHENYANG ACAD OF INSTR SCI

Drying treatment production line and method for circulating water slime

The invention discloses a drying treatment production line and method for circulating water slime, and belongs to the technical field of chemical circulating water.The drying treatment production line comprises a water cooling tower, a cellulose filter, a sludge sedimentation tank, centrifugal sludge drying equipment and dry sludge incineration equipment which are sequentially connected, and the cellulose filter is further connected to the water cooling tower through a first backflow pipeline; the sludge sedimentation tank is connected to the water cooling tower through a second return pipeline, and the centrifugal sludge drying equipment is connected to the water cooling tower through a third return pipeline; after filtration, sedimentation, centrifugal separation and incineration drying are carried out in sequence, dry sludge is discharged, and clear water flows back to the water cooling tower.
Owner:LIAOCHENG MEIWU NEW MATERIAL SCI & TECHCO

An automatic winding device for nylon cloth tape of zipper weaving machine

The invention disclose an automatic tape, which comprises a bracket, winding drums, conduction band runners and a stroke mechanism, wherein the winding drums are mounted on the bracket through rotating shafts in the horizontal direction, and the winding drums are driven by a winding drum motor to perform rotary motion; the stroke mechanism is mounted at the front parts of the winding drums, and is driven by a stroke motor to move back and forth in the extending directions of the rotating shafts of the winding drums; the conduction band runners are assembled on the stroke mechanism, and the wheel shafts of the conduction band runners are mutually parallel to the rotating shafts of the winding drums. According to the automatic winder mechanism, the automatic winding mode is adopted for storage, so that the problem about band mess during the production is efficiently solved, the time and labor are saved in the process of procedure treatment of a nylon cloth tape, the effects of reliability and stability are realized, the automatic and efficient effects are realized, the great convenience is brought to the follow-up procedures, and the quality of products is improved.
Owner:FUJIAN SBS ZIPPER SCI & TECH CO LTD
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