103results about How to "Reduce work times" patented technology

The invention provides a tower crane safety monitoring system and a tower crane safety monitoring method. The tower crane safety monitoring system comprises a one-machine monitoring subsystem and a multi-machine remote management platform, wherein the one-machine monitoring subsystem comprises a tower crane information acquisition unit and a central control management unit; the tower crane information acquisition unit comprises a control module I, a GPS (Global Positioning System) positioner and a zigbee transmission module I connected with the control module I, and a GPS handheld terminal wirelessly connected with the control module I; the central control management unit comprises a control module II, and a zigbee transmission module II, a storage module, a display module and a GPRS (General Packet Radio Service) module which are connected with the control module II. The central control management unit also comprises a tower crane driver identity acquisition module, the tower crane driver identity acquisition module comprises an IC (Integrated Circuit) card reader, and the IC card reader is connected with the control module II through a lead. By virtue of the tower crane safety monitoring system and the tower crane safety monitoring method, the workload of loading and unloading can be reduced, and dismounting and mounting are facilitated, so that the working time can be shortened and the influence from the environment is lowered; the system and the method are convenient to use and the detection precision is relatively high.

The invention discloses a track space-time conflict based integer programming modeling method, which comprises the steps of station route information collection, train selectable route matching, integer programming modeling and model solving and operation process output, wherein in the step of station route information collection, information of tracks required to be passed in order to use each in-route at a conflict-free state, turnout information and occupation time information of each track are collected; in the step of train selectable route matching, a train route matching operation is performed on each train with an operation plan to be compiled, and an in-route pair set is generated; in the step of integer programming modeling, variable and symbol definition, constraint definition and target definition are performed, and a plurality of object lists are generated; and in the step of model solving and operation process output, a model is solved by using a branch and bound method, and the train is compiled. The method disclosed by the invention is high in equipment utilization rate and high in compiling efficiency, and can set different compiling objectives, optimize the compiling structure and avoid conflicts of trains; and the safety on the aspects of time and space is guaranteed.

The invention relates to an electronic circuit technology, in particular to a low-voltage ultralow-power-consumption high-precision comparer of an SAR ADC (successive approximation type analog-digital converter). The comparer comprises a pre-amplifier, a renewable latch, a detector, a comparer clock generator and a transmission gate switch, wherein the single renewable latch forms a lower-precision coarse comparer, and the pre-amplifier is cascaded with the renewable latch to form a higher-precision precise comparer. A voltage range is given, when the input voltage of the comparer is out of the voltage range, the precise comparer does not work, and when the input voltage of the comparer is within the voltage range, the precise comparer works. The low-voltage ultralow-power-consumption high-precision comparer has the beneficial effects that the comparers in different precisions are selected to work through detecting the input voltage value of the comparers, so the power consumption of the comparer is reduced under the condition of not influencing the precision of the comparer. The low-voltage ultralow-power-consumption high-precision comparer is applicable to the low-voltage ultralow-power-consumption high-precision SAR ADC.

The invention discloses a top-drive drill rod well cementing head which comprises a body tube and a lower nipple, wherein the lower end of the body tube is in detachable connection with the upper end of the lower nipple, an upper connecting part is arranged at the upper end of the body tube, and a lower connecting part is arranged at the lower end of the lower nipple; a rubber plug is arranged in the body tube, a rubber plug releaser and an outer slide sleeve are installed on the body tube, and the outer slide sleeve is in spline connection respectively with the lower end of the body tube and the upper end of the lower nipple. The top-drive drill rod well cementing head can integrally rotate forwards or backwards along with a top-drive device and transfer a high torque. In conventional casing cementing construction, the pipeline flow of cement circulation and cement displacement can be optimized, connections of drilling platform cementing high-pressure pipelines and accessories are effectively reduced, and labor intensity and potential unsafe factors are reduced. In tail pipe hanger cementing construction, movable liner string columns which can vertically move in a large scale can be formed. The top-drive drill rod well cementing head can be used for cleaning of boreholes, and cementing quality is improved.

The invention discloses a control circuit of a charge pump and a charge pump circuit. The control circuit of the charge pump comprises a sampling circuit, a voltage comparator, a single-side signal delayer and a clock control signal acquisition circuit, wherein the sampling circuit is suitable for sampling the output voltage of the charge pump to obtain sampling voltage; the first input end of the voltage comparator is suitable for inputting the sampling voltage, the second input end of the voltage comparator is suitable for inputting reference voltage, and the output end of the voltage comparator is suitable for outputting a first enabling signal; the single-side signal delayer is suitable for delaying the falling edge of the first enabling signal to obtain a second enabling signal; the clock control signal acquisition circuit is suitable for outputting a clock control signal to the charge pump when the second enabling signal is at a high level.

The invention discloses a pulling-out and detaching tool for an elbow type cable end. The pulling-out and detaching tool comprises a movable disc, a static disc, screw rods, rotary handles and the like. According to the principle of acting force and counter-acting force in physics, an object is fastened gradually based on circular rotation and friction of the inclined surface of the object so as to enable the elbow type cable end to be detached; a large amount of physical power can be saved, the working time consumption of operators in detaching the elbow type cable end can be effectively reduced so as to finish first-aid repair in a faster and better manner, and great economic benefit can be brought; the integral configuration of the static disc and the movable disc is suitable for being used in a ring main unit or a high-voltage junction box, so that the cable end is effectively protected, the damage to the cable end caused in manual pulling-out process can be avoided, and the external insulation of the cable end is protected.

The invention relates to a modeling and simulating method of a power supply system of a spacecraft. The method includes the steps of S1, obtaining a system modeling scheme according to a simulating test on the power supply system of the spacecraft, and generating a modeling schedule of the power supply system; S2, establishing a power supply system model for the power supply system of the spacecraft according to the modeling schedule. On the basis of a circuit principle model of a power supply and distribution system and a load, in combination with the system modeling scheme, system modeling,data processing, simulating analyzing and result outputting and displaying are carried out, the power supply system of the manned spacecraft is analyzed and predicted, the verifying and analyzing timeis shortened, labor cost is reduced, and the design and verification efficiency of the power supply system of the spacecraft is improved.

The invention discloses a concrete ground cleaning robot. The concrete ground cleaning robot comprises a robot body; walking wheels are arranged at the bottom of the robot body, and comprise a front driving wheel and a back guide wheel; a battery module is arranged in the robot body; a polishing module is arranged at the front end of the robot body, and comprises a polishing motor and a polishingcutter head; a dust sucking cover is arranged above the polishing cutter head; a dust sucking fan is arranged above the robot body; a dust storage box is arranged under the dust sucking fan; the dustsucking fan is connected with the dust sucking cover through a dust sucking pipe; and a laser radar and a controller are arranged at the front end of the robot body. The concrete ground cleaning robotcan achieve the functions of automatic polishing and automatic dust suction of concrete grounds within the stated range, and meanwhile, achieves the functions of automatic walking, automatic detection and automatic obstacle avoidance; and the concrete ground cleaning robot integrates multiple functions.

The invention provides an excrement carbonizing treatment device, and relates to an excrement treatment device. The excrement treatment device comprises a sewage tank, a carbonization furnace, a condensation tank, a purifying tank and a water storing tank. The excrement treatment device is characterized in that an agitating motor is arranged on the sewage tank; a filtering separating plate is arranged in the lower part of the sewage tank and is used for separating the sewage tank into an upper sewage chamber and a lower sewage chamber; filtering holes are uniformly formed in the filtering separating plate; an agitating blade and a scrapping blade are respectively arranged at the middle part and the lower part in the upper sewage chamber; the agitating motor is connected with the agitating blade and the scrapping blade through a speed reducer; the upper middle part of the sewage tank is communicated with the upper middle part of the carbonization furnace through an overflowing pipe; a U-shaped non-return stopping pipe is arranged on the overflowing pipe; an echo sounder is arranged on the sewage tank; a detecting probe of the echo sounder is arranged in the sewage tank at the lower side of the overflowing pipe. The excrement treatment device has the advantages of saving of water resource, high excrement carbonizing effect and low energy consumption.

The invention discloses an agricultural spade. The agricultural spade comprises a spade wooden rod, a handle, a spade sheet, a connecting block, sliding sheets and a sliding fastening device; the handle is arranged at the top end of the spade wooden rod, the spade wooden rod is connected with the spade sheet through the connecting block, the spade sheet is of a fork shape, the spade further comprises the two sliding sheets capable of filing the gaps, and the sliding sheets are fixed and refitted through the sliding fastening device; the fork-shaped spade sheet, the sliding sheets and the sliding fastening device are used for refitting an iron fork used for loosening soil. The agricultural spade has the advantages that the space can be fast switched into the iron fork, the soil can be loosened when the soil is hard and it is difficult to apply force, then the iron fork is switched into the spade for use, and the agricultural spade is simple, reasonable and convenient to use and facilitates excavation.

A method for rapidly preparing superparticles based on the Leidenfrost phenomenon comprises the following steps: dispersing raw materials in a solvent, and performing ultrasonic treatment to obtain dispersion liquid ; controlling the volume of the liquid drop by using a microsyringe, and dropwise adding the liquid drop onto a hot surface with the temperature higher than the Leidenfrost temperature of the liquid drop under the action of the gravity of the liquid drop; and after the solvent is completely evaporated, collecting the spherical superparticles formed by the solute. The preparation process of the superparticles is greatly simplified, the application range is wide, the use of toxic solvents can be avoided, and the preparation speed is high; and many basic materials which cannot be prepared into superparticles in the prior art can also be used for obtaining aggregates through the method disclosed by the invention, so that the functionality is optimized, and new properties are found.

The invention relates to crushing and mixing equipment, particularly relates to pharmacy department granular medicine crushing and mixing equipment, and provides the pharmacy department granular medicine crushing and mixing equipment which is high in mixed medicine powder manufacturing efficiency and capable of achieving automatic feeding and discharging. The pharmacy department granular medicine crushing and mixing equipment comprises a fixing plate, fixing frames, a stirring mechanism and a crushing mechanism, wherein the fixing plate is provided with the three fixing frames, the stirring mechanism is arranged on the three fixing frames, and the crushing mechanism is arranged on the stirring mechanism. According to the equipment, the effect of improving the mixed medicine powder manufacturing efficiency is achieved, through cooperation of the stirring mechanism and the crushing mechanism, mixed medicine powder can be obtained only by placing tablets in the crushing mechanism, working time consumed for manually grinding the tablets and mixing the medicine powder is shortened, through cooperation of a primary feeding mechanism and an intermittent feeding mechanism, the tablets can be indirectly supplemented into the crushing mechanism, and the frequency of adding the tablets into the equipment by people is reduced.

The invention discloses a continuous ceramic powder prepressing roller forming machine which comprises a machine body, an upper conveying device, a lower conveying device, a plurality of pairs of compression rollers and a driving device, wherein the machine body is divided into a feeding hole, a nipping prepressing area, a real pressing area, a controllable expansion area and a discharging hole. The continuous ceramic powder prepressing roller forming machine, disclosed by the invention, is short in amount of rest and high in green body strength, is placed on the front side of an automatic hydraulic press, continuously prepresses distributed powder into an initial green body and then cuts the initial green body according to the production requirements, the cut initial green body is fed into a press die cavity, and at the moment, the demanded finished blank for production can be obtained by compressing the green body once. The blank forming manner greatly reduces the working chill time, and the formed blank is high in strength and rate of finished products.

The invention discloses a winding thermometer copper oil temperature difference simulation test device. The device comprises a leakage protection module, an overload protection module, a current rising module, a 24V direct-current power supply output module, a winding thermometer detection module and a temperature detection module, wherein the power input end of the electric leakage protection module is connected with a 220V alternating-current input power supply; the input end of the overload protection module is connected with the output end of the electric leakage protection module; the input end of the current rising module is connected with the output end of the overload protection module; the input end of the 24V direct-current power supply output module is connected with the outputend of the overload protection module; the winding thermometer detection module is connected to a secondary current output loop of the current rising module. The device has the advantages that the thermal simulation characteristic of a winding thermometer can be tested in advance, the operation risk of the operation and maintenance process is effectively reduced, the power supply reliability is improved, the operation time is greatly shortened, and the cost for re-purchasing new equipment is reduced.

The invention provides a cloth inspecting machine based on a vision robot. The cloth inspecting machine comprises two first belt wheels fixedly installed on the ground, the two first belt wheels are connected through a first belt, and the front portion and the rear portion of the first belt are both provided with a first support; the first supports are fixedly arranged on the ground, and two firstrotary shafts which are parallel to each other are arranged between the first supports; the first belt penetrates between the first rotary shafts, and the front end and the rear end of each first rotary shaft are connected with the corresponding first supports respectively through bearings; a gear is fixedly arranged on the periphery of each first rotary shaft, and the gears are collinear with the center lines of the corresponding first rotary shafts respectively; the two gears are meshed with each other, and a transmission roller is fixedly arranged on the periphery of the first rotary shafton the lower portion. During work, cloth moves forwards for a certain distance, and an image acquisition device of the visual robot collects images once, so that omission-free image acquisition of the cloth is completed, and the structure is simpler.

The invention relates to a cable elbow head extraction tool. The cable elbow head extraction tool is characterized in that the extraction tool comprises an extraction tool fixing plate, an electric push rod and a push rod joint; a base of the electric push rod is fixed to the extraction tool fixing plate; a telescopic end of the electric push rod is connected with the push rod joint; and the pushrod joint is fixed to a pull ring of a cable elbow head. The extraction tool is convenient to carry, simple to operate, high in efficiency, safe and suitable for application and popularization.

The invention provides a live broadcast method based on a block chain. The method comprises steps that a block chain platform obtains a live broadcast service request transmitted by a user terminal, and the live broadcast service request carries an authentication key; the block chain platform verifies whether the authentication key is consistent with key information stored in a block chain or not;and if so, the block chain platform sends a user identity authorization success result and a live broadcast slicing network service establishment request to a telecom operator platform, so that the telecom operator platform establishes a live broadcast network slicing service. According to the method, problems that safety of a live broadcast account and a live broadcast platform in a current livebroadcast scheme cannot be guaranteed, which causing benefit loss of a live broadcast watching user or the live broadcast platform, and cannot avoid the phenomena of video playing blockage and interruption in live broadcast, which causing the poor live broadcast watching experience of the user are solved.