1904results about How to "Novel and reasonable design" patented technology

The invention discloses an oil tank cleaning robot. The robot comprises a robot body, a walking unit, a cleaning unit, a control unit, a sensing communication unit and a power supply unit, wherein the robot body comprises a base plate, a lower casing and an upper casing, the walking unit comprises three driving wheels and three driving wheel hydraulic motors, the cleaning unit comprises a cleaning device and a self-excitation pulse device, the cleaning device comprises three cleaning disk brushes and three cleaning disk brush hydraulic motors, the self-excitation pulse device comprises a pulse device hydraulic motor, a retractable beam assembly and a self-excitation oscillating pulse nozzle, the control unit is composed of a remote control portion and a robot body control portion, and the sensing communication unit comprises a pressure sensor, a temperature sensor, an infrared sensor, an ultrasonic sensor, a horizontal attitude sensor, a turbidity sensor, a camera and an oil-gas concentration monitor. The robot is novel in design, high in intelligent degree, high in working reliability, good in safety performance, energy-saving, environment-friendly, high in practicability, high in popularization and application value and capable of achieving omni-directional cleaning.

The invention discloses an oil sludge cleaning and processing system for an oil tank. The oil sludge cleaning and processing system comprises a cleaning system, an oil sludge processing system and an integrated control system, wherein the cleaning system comprises a cleaning robot, an electric hydraulic pump, a water pump, an inert gas storage tank and a screw pump; the cleaning robot comprises a machine body, a traveling unit, a cleaning unit, a robot cleaning control unit, a sensing and communication unit and a robot power supply unit; the oil sludge processing system comprises an oil sludge processing device, an oil sludge processing control system and an oil sludge processing power supply device; the oil sludge processing device comprises a stirring machine, an ultrasonic emulsion breaking device, a centrifuge and an ultrafiltration system, as well as an oil sludge storage pool, a sludge pool, a centrifugal liquid storage tank, a concentration tank and a filtrate pool; a funnel is arranged on the stirring machine; and the integrated control system comprises an integrated control computer and a communication circuit module. The oil sludge cleaning and processing system disclosed by the invention has the advantages of reasonable design and high degree of intelligentization, and can realize comprehensive cleaning of the oil tank, good safety, fast oil sludge processing speed and resource utilization of oil sludge, and further reduce environmental pollution and waste of resources.

The invention discloses a metal wire rod precision alignment cutting device and a method. The device comprises a double-layer machine frame. A front end guiding tank, a revolving alignment tank, a traction mechanism, a back end guiding tank, a cutting mechanism and a machinery sizing mechanism are arranged on the top portion of the double-layer machine frame. The revolving alignment tank comprises a revolving alignment straight tank support seat, an alignment guiding tank, a plurality of alignment modules and a protection cover. The traction mechanism comprises a traction mechanism support seat, a servo motor, a driving friction wheel and a driven friction wheel. The cutting mechanism comprises a cutting wheel support frame, an air cylinder, a cutting wheel motor and a slice-shaped cutting wheel. The machinery sizing mechanism comprises a horizontal scale plate, a pressure sensor, an infrared transmitting sensor and an infrared receiving sensor. The method includes the steps that the metal wire rod enters the revolving alignment tank through a front end guiding rank. The metal wire rod is alignmented, tracted, cut and prepared and enters the next working circulation. The metal wire rod precision alignment cutting device and the method is high in automatic degree. The shape of the cut metal line segment and the size precision are high. The cutting opening is smooth, free of deckle edge and free of splitting off. The metal wire rod precision alignment cutting device and the method are strong in practicality.

The invention discloses a filling in / pulling out current rapid response linear voltage regulator and a regulating method. The regulator comprises a reference voltage source, two error amplifiers, an N-channel MOS (Metal Oxide Semiconductor) tube I, an N-channel MOS tube II and a static current control unit. The static current control unit consists of a current summing unit, a pulling out current subtracting unit and a filling-in current subtracting unit. In the voltage regulating method, two error amplifiers dynamically monitor the voltage variation of a source electrode of the N-channel MOS tube I and a drain electrode of the N-channel MOS tube II when the pulling-out and filling-in current occur and dynamically control the gate-to-source voltage of two N-channel MOS tubes so that the source voltage of the N-channel MOS tube I and the drain voltage of the N-channel MOS tube II vary toward the same direction. The invention has novel and reasonable design, convenient circuit connection, small area of circular bard and good use effect, ensures the large-load stability and greatly improves the transient response of an LDO (Low Dropout Regulator).

The invention discloses a piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper which comprises a vibration damper body and a vibration damper controller. The vibration damper body comprises a cylinder barrel, a pressure supporting floating piston, a middle isolation floating piston, a piston rod, piezoelectric generation modules, a spring pressing plate, a force transfer spring, a spring clamping seat, a lower permanent magnet, a magnetic coil, an upper permanent magnet, a magnetism isolating plate, a piston, an excitation coil winding, an electromagnetic induction coil fixing rod and an electromagnetic induction coil. A control box is arranged on the outer wall of the cylinder barrel, the vibration damper controller is arranged inside the control box, and a rectifier, a storage battery charging circuit, a first controllable constant current source circuit and a second controllable constant current source circuit are further arranged inside the control box. The invention further discloses a control method of the piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper. The piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper has the piezoelectric and electromagnetic induction dual energy feedback function, can achieve not only a damping change function but also a rigidity change purpose, and has good vibration damping performance.

The invention discloses a grounding grid corrosion rate level prediction method which comprises the following steps: (1) inputting training sample data; (2) randomly sampling training samples according to a bootstrap sampling principle in a Bagging algorithm, forming training sample bootstrap subsets with the number of M, and constituting training sample bootstrap subset data sets; (3) structuring a weak classifier model according to a k-nearest neighbor (KNN) algorithm, sequentially training the training sample bootstrap subsets with the number of M, and obtaining weak classifiers with the number of M; (4) structuring a strong classifier model according to an Adaboost algorithm; (5) inputting to-be-tested sample data, predicting a grounding grid corrosion rate level, obtaining a predicting result, and displaying the predicting result through a displayer. The grounding grid corrosion rate level prediction method has the advantages of being novel and reasonable in design, convenient and fast to use and operate, high in predicting precision, capable of achieving an accurate prediction to the grounding grid corrosion rate level by means of a small amount of data samples which are measured in the prior art, low in implementation cost, strong in practicability and high in value of popularization and application.

The invention discloses a high speed automatic tin-plating machine which comprises an unreeling mechanism, a tin-plating mechanism, a driving and cleaning mechanism, a storage mechanism, a reeling mechanism and a control system sequentially arranged, wherein the unreeling mechanism comprises an unreeling frame, a paying off swing rod, an unreeling transitional wheel, an unreeling belt wheel, a tension adjusting wheel and an unreeling motor; the tin-plating mechanism comprises a tin-plating frame, an acidifying box, an acidifying transitional wheel frame, a solder machine, a pinch roller, a wind knife assembly and an air flue frame; the driving and cleaning mechanism comprises a cleaning frame, a cleaning agent groove, a cleaning transitional wheel bracket, a thickness measuring assembly and a traction assembly; the storage mechanism comprises a storage frame, a fixed wire storage wheel set, a mobile wire storage wheel set and a tension detection mechanism; the reeling mechanism comprises a reeling frame, a reeling guide rail bracket, a vertical wiring device and a horizontal wiring device. The high speed automatic tin-plating machine disclosed by the invention is novel and reasonable in design, ensures the quality and efficient production of tin-plating welding strips, is high in working reliability, better realizes continuous, efficient, high-quality and low-cost tin plating, and is convenient to popularize and use.

The invention discloses a virtual reality technology based remote control system and a remote control method for coal cutters. The system comprises a control platform, an underground industrial control bench, an underground controller, an external hardware and virtual software data interface and a virtual working platform; and the control platform comprises a remote manipulation device and a data acquisition module. The remote control method comprises: a control instruction emitted by the remote manipulation device is received by the underground industrial control bench, and the underground controller drives three underground devices to work; the working state data of the three underground devices is acquired on a real-time basis and processed; and the data acquisition module uploads the data to the control platform. Meanwhile, a control instruction emitted by the manipulation device is acquired by the hardware and software data interface and sent to the virtual working platform; an internally compiled program completes the driving of a virtual prototype; in addition, the control platform also sends the working state data of the three underground devices to the virtual working platform on a real-time basis for correction on the virtual prototype and realization of synchronous operation of the three underground devices and the virtual prototype, thereby completing remote monitor on the coal cutter. The invention has reasonable design, strong practicality and high value for popularization and application.

The invention discloses an oily sludge treatment process and a device. The oily sludge treatment process includes the steps of watering and stirring for dilution, ultrasonic wave demulsification, solid-liquid separation and oil-water separation. The device comprises an oily sludge treatment system, an automatic control system and a power supply device, wherein the oily sludge treatment system comprises a stirrer, an ultrasonic wave demulsification device, a centrifugal machine, a ultra-filtration system, an oily sludge storage tank, a sludge tank, a centrifugation liquid storage tank, a concentration tank and a filtrate tank, the stirrer is used for adding water into oily sludge for diluting the oily sludge, the ultrasonic wave demulsification device is used for demulsifying the oily sludge, the centrifugal machine is used for performing solid-liquid separation to the oily sludge, the ultra-filtration system is used for performing oil-water separation to the oily sludge, the oily sludge storage tank is used for storing the oily sludge, the sludge tank is used for storing the sludge, the centrifugation liquid storage tank is used for storing oily sewage, the concentration tank is used for storing oil, and the filtrate tank is used for storing water. According to the oily sludge treatment process and the device, the design is novel and reasonable, achievement costs are low, the treatment speeds are fast, the separation of the oil, the sludge and the water is thorough, the resource utilization of the oily sludge is achieved, and environmental pollution and resource waste are reduced.

The invention discloses an infrared image stripe noise elimination method. The method comprises the following steps: I. collecting an infrared image; II. calculating the average of N rows for the nth frame infrared image zn; III. calling a stripe noise estimation module by an image processor and estimating the stripe noise bn of the nth infrared image zn according to the average of N rows for the nth frame infrared image zn; and IV. subtracting the stripe noise bn of the nth infrared image zn from the nth infrared image through an image processor, thus eliminating the stripe noise in the nth frame infrared image zn. According to the method, the design is novel and reasonable, the steps are simple, and realization is convenient, the stripe noise in the infrared image can be processed in real time, and the method is strong in practicability, good in usage effect, and convenient to popularize and use.

The invention discloses a fractal and composite right / left-handed transmission line-based miniature double-frequency microstrip rat-race coupler, which consists of four composite right / left-handed transmission line (CRLH TL) braches and four input / output ports, wherein the four CRLH TL branches are sequentially connected end to end, and have a Koch fractal structure respectively; the four input / output ports are connected between every two adjacent branches respectively, and are used for connecting small A type (SMA) joints; the four branches comprise three CRLH TL branches with completely identical circuit parameters and the CRLH TL branch with different circuit parameters, namely, the four branches comprise three transmission line branches which realize +90 degrees and -90 degrees on the frequency bands of fL and fH respectively and the transmission line branch which realizes -90 degrees and -270 degrees on the frequency bands of fL and fH respectively; and each of the four branches is formed by concatenating two CRLH TL units. The fractal and composite right / left-handed transmission line-based miniature double-frequency microstrip rat-race coupler is rationally designed, convenient to realize, good in using effects, highly accuracy and widely applicable, and can effectively solve the problems of complex method, poor using effects, large volume, incapability of really working in a double-frequency mode and the like of the conventional double-frequency rat-race coupler.

The invention discloses a multi-mode electromagnetic energy-regenerative vehicle active suspension actuator. The multi-mode electromagnetic energy-regenerative vehicle active suspension actuator comprises an actuator main body and an actuator controller, wherein the actuator main body comprises a piston cylinder, a permanent magnet linear motor module, an adjustable damping vibration absorber module, an actuator upper end cover and a lower lifting lug. The permanent magnet linear motor module comprises a secondary piston rod, a linear motor upper end cover, a linear motor lower end cover, a plurality of silicon steel sheets, a plurality of primary coils and a permanent magnet; the adjustable damping vibration absorber module comprises a vibration absorber piston rod, a sleeve, an upper lifting lug, a sealing separation plate, a big piston, a small piston, a damping liquid passage and a proportional electromagnetic valve; and an input end of the actuator controller is connected with an acceleration sensor, a sprung mass speed sensor and an unsprung mass speed sensor. The invention further discloses a control method for the multi-mode electromagnetic energy-regenerative vehicle active suspension actuator. The invention is advantaged in that the energy-regenerative efficiency of the multi-mode electromagnetic energy-regenerative vehicle active suspension actuator is high, the service life of a vehicle-mounted storage battery can be effectively prolonged and an active suspension is in an optimal vibration absorbing state.

The invention discloses a system and a method for determining the environment traffic capacity of an expressway based on vehicle emission. The system comprises a data acquisition system, a processor, a display and a server, wherein the processor is used for analyzing and processing data which are acquired by the data acquisition system; the display and the server are connected with the processor; the processor is in wireless connection and communication with the data acquisition system through a wireless communication system; and the data acquisition system consists of meteorological parameter detection equipment, traffic flow detection equipment and pollutant concentration detection equipment. The method comprises the following steps of: 1, acquisition and real-time uploading of the data; 2, determination of the environment traffic capacity of the expressway: determination of the cumulated amount of various vehicle emission pollutants, determination of a dilution factor f, and determination of the environment traffic capacity of a road section j of the expressway; and 3, synchronous output and storage of a processing result. The invention has the advantages of novel and reasonable design, convenience for implementation, high real-time performance, high determination accuracy of the environment traffic capacity of the expressway, high reliability, high practicability and high popularization and application value.

The invention discloses an electric vehicle battery management system and method. The system comprises a pipe network, a vehicular control terminal and a cloud computing processing platform, the pipe network comprises air outlet pipes, the vehicular control terminal comprises a main controller, a power supply, a movable transceiver, a vehicular computer, a display, a relay, a current sensor and a slave control unit, and an output end of the vehicular computer is connected with a vehicular air-conditioning control module and an alarm. The method includes the steps: acquiring and uploading electric vehicle battery current data; judging whether an electric vehicle battery is short-circuited or not; calculating the discharged electric quantity of the electric vehicle battery; acquiring the voltage and temperature data of each single battery; regulating the voltage value and the temperature value of each single battery and unloading the values in real time; estimating an SOC (system on chip) value of the single battery; calculating the remaining electric quantity of the electric vehicle battery and displaying and outputting the SOC value and the remaining electric quantity. The optimal working state of the electric vehicle battery is guaranteed, the service life of the electric vehicle battery is prolonged, and safety accidents are prevented.

The invention relates to a crop rhizospheric soil conditioning system and a conditioning method thereof, in particular to a greenhouse soil water, fertility, air and heat conditioning system and a conditioning method thereof. The crop rhizospheric soil conditioning system comprises a fertilizer irrigating device, a water irrigating device and a temperature-regulating and air-ventilating device, wherein the fertilizer irrigating device comprises a fertilizer storing device and a fertilizer conveying device which are mutually connected; the water irrigating device comprises a water storing device and a water conveying device which are mutually connected; the temperature-regulating and air-ventilating device comprises a fan and an air conveying device; the fertilizer conveying device, the water conveying device and the air conveying device share a main conveying pipeline and a branched conveying pipeline; and the branched conveying pipeline is connected with the main conveying pipeline. The crop rhizospheric soil conditioning system comprehensively condition water, fertility, air and heat of soil through a simple structure and can perform a highly stable control on optimal conditions for crop growth, particularly crop rhizospheric growth; a novel soil non-tillage technology is provided, with significant effects of energy conservation and environment friendliness; and the crop rhizospheric soil conditioning system and the conditioning method thereof are suitable for popularization and application in the field of planting and cultivation of relevant crops.

The invention discloses a wire-control coalmine rescue detection robot and a cable extension and retraction method thereof. The wire-control coalmine rescue detection robot comprises a robot body and a cable extension and retraction box arranged at the top of the robot body. A cable extension and retraction device is arranged in the cable extension and retraction box. The robot body comprise a robot body cabinet, two travelling track assemblies and four swinging arm track assemblies. The robot body cabinet comprises a lower cabinet cavity, an upper cabinet cavity, a sensor cavity, three gear cavities and two supporting wheel cavities. The cable extension and retraction device comprises a cable extension and retraction motor, a synchronous belt transmission mechanism connected with an output shaft of the cable extension and retraction motor, and a cable winding mechanism and a cable arranging mechanism which are both connected with the synchronous belt transmission mechanism. The cable extension and retraction method of the wire-control coalmine rescue detection robot comprises the steps of cable connection and cable extension and retraction. By adoption of the wire-control coalmine rescue detection robot and the cable extension and retraction method thereof, cables are extended and retracted in order and are appropriate in degree of tightness, cable entanglement and breaking are reduced, and stable transmission of control signals, relevant sensor information and a power supply can be guaranteed.

The invention discloses a continuous drawing production line of a strip product. The continuous drawing production line comprises an uncoiler, a straightener, a continuous drawing machine, a length measuring device and a cuttolength saw, as well as a stacking device for stacking the sawn product or a rolling machine for rolling up the sawn product, wherein the uncoiler, the straightener, the continuous drawing machine, the length measuring device and the cuttolength saw as well as the stacking device or the rolling machine are arranged in sequence. The continuous drawing production line provided by the invention has the advantages that the floor space is reduced, the damage and transformation of the products are avoided in hoisting, and the yield is improved. The invention also discloses a production method of the continuous drawing production line of the strip product. The production method comprises the steps of unfolding a pony roll blank to a straight line state, straightening the blank which is unfolded to the straight line state, carrying out continuous drawing processing on the straightened blank to form the product, measuring the length of the product according to the preinstalling length, sawing the product according to the preinstalling length, and stacking the sawn product or rolling up the sawn product. The production method of the continuous drawing production line provided by the invention has the advantages that the production efficiency and the yield are improved.

The invention discloses a vehicle-mounted type jujube tree trimmer, comprising a bearing vehicle and a jujube tree trimming device, wherein the jujube tree trimming device comprises a base and a rotating platform; a telescopic boom mechanism, a jujube tree trimmer power mechanism and a jujube tree trimmer operating console are arranged on the rotating platform; the front end of the telescopic boom mechanism is connected with a trimming cutter in a hinging way; the trimming cutter comprises a cutter rotating motor, a fixed cutter head and a rotating cutter head; a first cutter connection frame is connected onto the fixed cutter head; multiple fixed cutter teeth are arranged on the fixed cutter head; rotating cutter teeth are arranged on the rotating cutter head; the telescopic boom mechanism comprises a movable arm supporting seat, a movable arm, a bucket rod, a second cutter connection frame, a lifting oil cylinder, a telescopic oil cylinder and a turning oil cylinder; the bucket rod is sheathed in the movable arm; the second cutter connection frame is connected onto the bucket rod; and the jujube tree trimmer power mechanism comprises a storage battery, a hydraulic oil tank, an oil pump, an engine and a hydraulic control valve bank. The vehicle-mounted type jujube tree trimmer is high in automation degree, high in trimming efficiency, strong in field adaptability, high in working reliability, good in trimming quality and safe to operate.

The invention discloses an automatic detection and compensation device and method for installation errors of a Hall position sensor of a motor. The device comprises a micro-controller module and a power supply module, wherein the input end of the micro-controller module is connected with a Hall signal conditioning circuit module and a motor winding current detection circuit module; the motor winding current detection circuit module is composed of a Hall current sensor, a current signal conditioning circuit module and an A / D (Analog-to-digital) conversion circuit module which are connected in sequence; the A / D conversion circuit module is connected with the input end of the micro-controller module; and the output end of the micro-controller module is connected with a motor driving circuit module. The method comprises the following steps of: step one, acquiring a reference current Iref; and step two, detecting and compensating the installation errora of the Hall position sensor of the motor to be detected. The device is simple in structure, novel and reasonable in design, convenient to operate, high in automation degree, high in detection efficiency, low in realization cost, high in practicability, good in use effect and convenient to popularize and use.

The invention discloses a self-powered vehicle vibration damping device which comprises a vibration damping device body and a vibration damping device controller, wherein the vibration damping device body comprises a first cylinder body, a piston rod, a piezoelectric generating unit, a transmission force spring unit, a magneto-rheological damping unit and an electromagnetic induction unit; the piezoelectric generating unit comprises a plurality of piezoelectric modules, and a plurality of piezoelectric vibrators are inlaid in each piezoelectric module; the transmission force spring unit comprises an upper spring pressing plate, a lower spring pressing plate, a lower spring clamping seat, an upper spring clamping seat and a transmission force spring; the magneto-rheological damping unit comprises an outer cylinder, an inner cylinder, a permanent magnet protecting cover, an upper damp channel, a lower damp channel, a magnet exciting coil and a piston; and the electromagnetic induction unit comprises a leakage-proof magnetic sleeve, a second cylinder body, a permanent magnet and an electromagnetic induction coil. The invention further discloses a control method for the self-powered vehicle vibration damping device. The self-powered vehicle vibration damping device provided by the invention is high in energy-regenerative efficiency, good in work stability, high in reliability, can adjust the damping force in real time, and ensures that a vehicle is in an optimal vibration damping state.

The invention discloses a six-caterpillar-band and four-swinging-arm rescue robot, which comprises a robot body, two walking caterpillar band components and four swinging arm caterpillar band assemblies, wherein the robot body comprises a lower box cavity, an upper box cavity, a sensor cavity, three gear cavities and two support wheel cavities; the three gear cavities are respectively a front gear cavity, a left back gear cavity and a right back gear cavity; the two support wheel cavities are respectively a left support wheel cavity and a right support wheel cavity; the two walking caterpillar band assemblies are respectively a left walking caterpillar band assembly and a right walking caterpillar band assembly; the four swinging arm caterpillar band assemblies are respectively a left front swinging arm caterpillar band component, a left back swinging arm caterpillar band component, a right front swinging arm caterpillar band component and a right back swinging arm caterpillar band component. The invention discloses an automatic walking control method of the six-caterpillar-band and four-swinging-arm rescue robot. The six-caterpillar-band and four-swinging-arm rescue robot has the advantages that the structure is compact; the design is novel and reasonable; the intelligent degree is high; the work stability and the reliability are high; the practicability is high; the use effect is good; the popularization and the use are convenient.

The invention discloses an express bar code automatic recognizing system and method based on image processing. The system comprises an express transmission main device and a sorting device; and the express transmission main device comprises a goods loading transmission belt conveyor, a sorting transmission belt conveyor, a manipulator and an industrial personal computer. The method comprises the steps that 1, goods loading transmission of expresses is recognized; 2, an image sequence of three surfaces of the expresses is obtained; 3, bar code areas in the image sequence of the three surfaces of the expresses are partitioned; 4, whether a complete bar code area is extracted successfully or not is judged; 5, express sorting information is extracted, and the expresses are sorted; 6, the manipulator overturns the expresses; 7, sorting transmission of the expresses is recognized; 8, an image sequence of another three surfaces of the expresses is obtained; 9, bar code areas in the image sequence of another three surfaces of the expresses are partitioned; 10, whether a final bar code area is extracted successfully or not is judged; and 11, exception handling of the expresses is conducted. The express bar code automatic recognizing system and method based on image processing do no need to limit a bar code paste face, the automatic express bar code recognition efficiency is high, and labor operation is reduced.

The invention discloses a carbon fiber gas cylinder detection line and a carbon fiber gas cylinder detection method. The detection line includes, in a front-to-back arrangement manner, a water pressure test apparatus, a water pressure auxiliary test apparatus and an air tightness test apparatus. The water pressure test apparatus includes a test rack, a test operation bench, a pressurizing apparatus, a test case installed on the test rack, and test trolleys for stably placing a plurality of to-be-tested gas cylinders. The water pressure auxiliary test apparatus includes a gas cylinder fixture, a transporting trolley, and a gas cylinder water-pouring-away and drying device. The air tightness test apparatus includes an air tightness detection apparatus and a second air supply apparatus for supplying air to the to-be-tested gas cylinders. The air tightness test apparatus is in a cabinet structure or a ground trough structure. The detection method includes the steps of 1) water pressure test; 2) water pouring-away and drying treatment; and 3) air tightness test. The detection line is reasonable in design and simple in operations, is good in use effects, and can easily and quickly complete water pressure test and air tightness test for a plurality of carbon fiber gas cylinders.

The invention discloses a tunnel diversion composite type waterproof and drainage system which comprises a surrounding rock waterproof and drainage system and a tunnel internal drainage system, wherein the surrounding rock waterproof and drainage system comprises a waterproof and drainage layer and a surrounding rock water drainage and collection pipe; the waterproof and drainage layer consists of multiple waterproof and drainage plates arranged in a butting manner; the surrounding rock water drainage and collection pipe consists of a concrete prefabricated pipe and a cover plate; the tunnel internal drainage system comprises a left water collecting tank, a right water collecting tank, a tunnel internal water drainage and collection pipe, a left drainage pipe and a right drainage pipe; the tunnel internal water drainage and collection pipe is arranged on a water collecting pipe base. The invention also discloses a construction method and a use method for the tunnel diversion composite type waterproof and drainage system. According to the tunnel diversion composite type waterproof and drainage system as well as the construction method and the use method thereof disclosed by the invention, the convenience for construction is realized; the diversion of surrounding rock waterproof and drainage and tunnel internal waterproof and drainage is realized, two functions of resisting water and draining water are integrated, the overall waterproof and drainage effects of the integral tunnel are improved, and the difficult problems of tunnel crack, leakage, frost heaving, water logging or icing and the like of a tunnel can be thoroughly solved.

The invention discloses an index gas based goaf coal spontaneous combustion hazard level judgment and prewarning method. The method comprises the steps of 1, arranging a coalmine goaf coal spontaneous combustion index gas monitoring device; 2, acquiring and transmitting coalmine goaf coal spontaneous combustion index gas concentrations; and 3, performing analysis processing on each gas concentration of a coalmine goaf as well as the CO concentration, the C2H4 concentration and a temperature signal detected by a temperature sensing probe by a ground monitoring computer, and performing coal fire hazard risk prewarning. The method is simple in step, novel and reasonable in design, convenient to realize, high in automation degree, high in reliability, comprehensive and accurate in goaf coal spontaneous combustion degree prediction, wide in application range, high in practicality, good in use effect and convenient to popularize and use.

The invention discloses a tooth modeling method based on dental crown and tooth root characteristics. The tooth modeling method includes the following steps that 1, tooth basis information is determined; 2, the average curvature and the gaussian curvature at a top point of a triangular mesh are determined; 3, the computational processes of the average curvatures and the gaussian curvatures at all the top points of continuous triangular meshes of multiple segmentations of a dental crown are completed; 4, the type of the dental crown is extracted; 5, whether the tooth type is single or not is judged; 6, a tooth model of the single-root tooth is established; 7, the tooth model of the multi-root tooth is established. According to the tooth modeling method, a dental crown model of a single tooth is obtained through a laser three-dimensional scanner, the dental crown and tooth roots are separated, the type of the tooth is determined according to the characteristics of the dental crown, the corresponding tooth root model is established, and the tooth modeling method is high in accuracy, small in calculation quantity, visible, rapid, effective and low in cost.

The invention discloses a carbon fiber three-dimensional fabric knitting machine which comprises a rack and a carbon rob fixing frame mechanism, a carbon rod fixing frame positioning and clamping mechanism, a carbon rod quantitative lifting mechanism, a braided fabric quantitative lifting mechanism, a carbon rod fixing frame 120-degree positioning rotating mechanism, an X-directional yarn guide operation mechanism and a Y-directional yarn guide operation mechanism which are arranged on the rack. The top plane of the rack is a working table; an electrical control box and a control panel box are arranged beside the rack; an electrical control system is arranged in the electrical control box; the electrical control system comprises a main controller unit, a carbon rod lifting control unit, a braided fabric lifting control unit, a carbon rod fixing frame rotation control unit, an X-directional yarn guide control unit and a Y-directional yarn guide control unit; human-computer interaction equipment is arranged in the control panel box. The carbon fiber three-dimensional fabric knitting machine has a compact structure, is novel and reasonable in design, reduces labor intensity, improves production efficiency and production quality, is high in practicality, has a good use effect and is convenient to popularize and use.

The invention discloses a multifunctional automatic elastic compartment automobile which comprises an automobile body, an automobile frame and a compartment which is elastic, wherein the elastic compartment comprises an elastic compartment framework connected to the automobile frame, an elastic bottom frame connected to the bottom of the elastic compartment framework, an elastic top cover connected to the top of the elastic compartment framework, a compartment wall connected to the periphery of the elastic compartment framework as well as an elastic mechanism which is connected to the elastic compartment framework, the elastic bottom frame and the elastic top cover; the elastic bottom frame is internally provided with a bottom surface clearance closed device; the elastic top cover is internally provided with a top cover clearance closed device; the compartment wall is provided with a compartment door; an elastic power drive system and a covering mechanism component are placed in the elastic compartment; and the elastic mechanism and the elastic power drive system are connected. The multifunctional automatic elastic compartment automobile provided by the invention is compact in structure, is novel and reasonable in design, has good driving stability, has a large internal space after the compartment unfolds, and has rapid elastic speed of the compartment, high accuracy, high practicability, and high popularization and application value.

The invention relates to a method and a device for extracting rapeseed oil by an extrusion expansion aqueous enzymatic method, which belongs to the plant oil extraction technology. The method comprises the following steps: using a dual-screw extrusion-expansion machine with a squeeze cage structure for carrying out extrusion-expansion pretreatment to obtain the crushed rapeseed oil and expanded products, crushing and mixing the expanded products with water to obtain mixed liquid, adding protease in the mixed liquid for enzymatic hydrolysis, centrifugally separating to obtain the rapeseed oil extracted by the aqueous enzymatic method; the present invention has the advantages of novel and reasonable device design, simple process and high oil yield; the rapeseed oil obtained by rapeseed oil crushing and the aqueous enzymatic method has the advantages of light color, good quality and the like.

The invention discloses a rail web rust removal sander. The rail web rust removal sander comprises a first abrasion wheel for sanding left side face of a rail web of a steel rail, a second abrasion wheel for sanding right side face of the rail web of the steel rail, and a main frame, wherein one end of the main frame is provided with a tail travelling frame while the other end thereof is provided with a first fixing frame and a second frame, a first work head for driving the first abrasion wheel to rotate is mounted on the first fixing frame, a second work head for driving the second abrasion wheel to rotate is mounted on the second fixing frame, the left and right sides of the tail travelling frame both are provided with travelling wheels travelling along the lower bottom surface of the rail jaw of the steel rail, two first guide wheels respectively travelling along the left side face and the right side face of the rail jaw of the steel rail are mounted on the tail travelling frame, and one end, away from the tail travelling frame, of the main frame is provided with two second guide wheels respectively travelling along the left side face and the right side face of the rail jaw. The rail web rust removal sander runs steadily, has a good sanding effect, and is simple in structure, convenient to disassemble and assemble, and convenient to generalize and use.