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Containment bag system for use in a commercial disposal container
InactiveUS7073676B1Easy to installThe installation process is simple and convenientRailway componentsLarge containersCombined useEngineering
The invention consists of non-self supporting containment bag used in conjunction with a dumpster container. The bag has a zipper or other sealable means, and a series of pick-up or attachment loops or handles may also be attached to the outer bag material. The bag may additionally have an internal lining to resist leakage of fluids or wet materials stored in the container.
Owner:PACTEC
Spherical robot with in-situ rotation function carried with control moment gyro
The invention discloses a spherical robot with an in-situ rotation function carried with a control moment gyro. The robot is mainly composed of a homogeneous spherical shell, an advance driving mechanism, a steering mechanism, a control moment gyro mechanism, a heavy pendulum and the like. The steering mechanism is composed of two steering motors, a steering gear mechanism, a toothed belt wheel mechanism and the like. In-situ steering of the sphere is achieved through the cooperation of output torques of the two motors. Meanwhile, the robot is carried with the control moment gyro mechanism, and the control moment gyro mechanism is mainly composed of a flywheel, a flywheel rotation motor, a flywheel fixing frame, a frame rotation steering engine, the toothed belt wheel mechanism and the like; extra precession moment is provided through the precession effect of a gyro rotor which rotates at a high speed, so that the operation speed of the robot is higher, and the climbing and obstacle crossing capacity is improved. The spherical robot can steer in-situ and is high in operation speed, the movement rapidity and flexibility of the spherical robot are greatly improved, and the spherical robot has great application prospects.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Air-cargo container, a refrigerator unit for an air-cargo container and a manufacturing method of an air-cargo container
InactiveUS6860115B2Simple wayEasy maintenanceLighting and heating apparatusDomestic refrigeratorsModular unitAir cargo
An air-cargo container is equipped with a modular refrigerating unit, which is attachable into the container shell in substantially one piece. Preferably, a control unit for the modular refrigerating unit is also provided as one single module. The refrigerating unit comprises the entire enclosure of an airflow path around an icebox, and is preferably mounted at a small distance from the wall and ceiling of the container. Simple positioning elements facilitate the actual positioning and mounting procedure. The refrigerating unit preferably comprises sealing flanges which during mounting by the positioning elements automatically are fitted into elements at the container wall. A manufacturing method is also disclosed, which comprises mounting of modular units into a shell of an air-cargo container. The mounting is preferably performed by using positioning elements, which guides the modular units into the proper positions.
Owner:ENVIROTAINER ENG
Binocular camera fire detection and positioning device and fire positioning method thereof
InactiveCN102298818AConvenient fire locationEasy to install and operateTelevision system detailsColor television detailsSelf adaptiveDeflection angle
The invention provides a binocular shooting fire detecting and positioning device and a fire positioning method thereof. The binocular shooting fire detecting and positioning device consists of a binocular shooting unit, a binocular vertical angle adjusting device and a binocular horizontal angle adjusting device, wherein the binocular shooting unit comprises a transparent protective shell, and two cameras, a monocular translational adjusting device, a monocular horizontal angle adjusting device and an infrared distance measuring device which are arranged in the transparent protective shell. The fire positioning method based on the binocular shooting fire detecting and positioning device comprises fire detection, base line blind area detection, finding of fire source root, active focusing, acquisition of the deflection angle of a monocular camera, self-adaptive adjustment, acquisition of the deflection included angle and camera distance of the binocular shooting unit, computation of the three-dimensional coordinates of a fire source and sending of a fire extinguishing command. In the binocular shooting fire detecting and positioning device, a video fire detection function and an image type fire positioning function are integrated, so that fire can be positioned accurately and conveniently; and the binocular shooting fire detecting and positioning device is easy to install and operate. Due to the adoption of a self-adaptive adjustment design, the requirement of positioning accuracy at any place is met.
Owner:UNIV OF SCI & TECH OF CHINA
Building structure and construction method
Disclosed are a building structure and a construction method. The building structure comprises upright columns, prefabricated plates or prefabricated frames and columnar connecting parts. Each prefabricated plate or prefabricated frame comprises reinforced beams or section crossbeams and embedded connecting parts, wherein the reinforced beams or section crossbeams are embedded in the prefabricated plates or prefabricated frames, and the embedded connecting parts are arranged at connecting joints for connecting the reinforced beams or section crossbeams; the columnar connecting parts are mounted at connecting joints of the prefabricated plates or prefabricated frames; the number of the columnar connecting parts is smaller than or equal to that of the embedded connecting parts; each embedded connecting part comprises a first positioning mechanism; each columnar connecting part comprises one to four second positioning mechanisms matching with the corresponding first positioning mechanisms in a one-to-one correspondence manner; and the first positioning mechanisms and the corresponding second positioning mechanisms are vertically connected in an inserted manner, and the columnar connecting parts are fixed with the one to four embedded connecting parts at the connecting joints. The building structure and the construction method have the advantages that various portions of the building structure can be mechanically assembled and disassembled, can be reused, and are convenient in assembly and disassembly, and the connecting joints are firm and reliable in connection and fine in load-carrying capability.
Owner:杨东佐
Coaxial resonant cavity mixed coupling method
InactiveCN102544650ASimple structureThe installation process is simple and convenientWaveguide type devicesResonant cavityElectromagnetic coupling
The invention relates to the technical field of coaxial resonant cavity microwave filters and duplexers, in particular to a coaxial resonant cavity mixed coupling method. The method is characterized in that: a conductor shell is arranged; at least two resonant cavities are arranged in the conductor shell; the top of the conductor shell is sealed by a conductor cover plate; a conductor resonant rod is arranged in each resonant cavity, wherein the upper end of the conductor resonant rod is provided with a cavity and the lower end of the conductor resonant rod is in a rod body structure, the bottom end of the rod body structure is fixedly arranged in the resonant cavity through a fastening screw to form a vertical structure with the bottom surface of the resonant cavity, and the conductor resonant rod is a conductor and is contacted with the conductor shell to form short circuit; a tuning screw is arranged on the conductor cover plate; the tuning screw is adjusted from top to bottom and extends into the cavity body on the upper end of the conductor resonant rod; and the electromagnetic coupling intensity between the resonant cavities is finely tuned through a fine tuning screw. According to the coaxial resonant cavity mixed coupling method, the frequency selection characteristics of the filters and the duplexers are improved.
Owner:XIDIAN UNIV
Containment bag for use in a commercial disposal container
ActiveUS8562212B1Easy to manufactureThe installation process is simple and convenientClosuresClosure using stoppersEngineering
Owner:PACTEC
Nuclear power plant pipeline leakage detection device and method based on distributed optical fiber temperature measurement
InactiveCN104613321ASensitive and accurate positioningAchieve full coverageThermometers using physical/chemical changesPipeline systemsHigh energyNuclear power
The invention discloses a nuclear power plant pipeline leakage detection device and method based on distributed optical fiber temperature measurement. The nuclear power plant pipeline leakage detection device comprises a detection sensor unit, a signal receiving and transmitting processing unit and a data analysis and alarm unit. The detection sensor unit comprises an optical fiber and a fastening support, wherein the optical fiber is fixed to the portion above a high-energy pipeline through the fastening support. In the signal receiving and transmitting processing unit, a laser drive device is connected with the optical fiber through a wavelength division demultiplexer, the optical fiber is connected with the input end of a photoelectric detector through the wavelength division demultiplexer, and the output end of the photoelectric detector is connected with the input end of a signal processor. The data analysis and alarm unit comprises a PC terminal and an alarm indicator, wherein the output end of the signal processor is connected with the PC terminal, and the alarm indicator is connected with the PC terminal. The situation of high-energy pipeline system leakage in nuclear islands can be found in time, the leakage positions can be accurately positioned, the implementation foundation is provided for the leak-before-break design of the high-energy pipeline, and the safety of nuclear power plants is improved.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Containment bag for use in a commercial disposal container
InactiveUS7845511B1Easy to manufactureThe installation process is simple and convenientLarge containersLinings/internal coatingsCombined useJunk box
Owner:PACTEC
Hydraulic auxiliary drive system by adopting wheel hub motors
InactiveCN104859424AImprove powerSmall structure sizeServomotor componentsServomotorsPower performanceEngineering
The invention provides a hydraulic auxiliary drive system by adopting wheel hub motors and solves the problems that a traditional rear drive vehicle cannot meet power performance requirements on low-adhesion coefficient road surfaces and large-slope road surfaces, and the existing wheel hub motor hydraulic drive system cannot meet the requirement for high flow of wheel hub motors. The system comprises a hydraulic pump assembly, a control valve bank, a controller, a power take-off device, a power take-off device output shaft, a left front wheel, a left wheel hub motor, a right wheel hub motor, a right front wheel and a fuel tank. Reversing valves in the control valve bank are connected through a pipeline; the reversing valves in the control valve bank are connected with the controller through an electric circuit. According to the invention, a hydraulic pump is driven by the power take-off device, the working positions of the control valve bank are switched by the controller, thus multiple work modes are formed, and control fuel of hydraulically operated reversing valves is controlled by solenoid reversing valves, to control the work states of the wheel hub motors. Reliable work of the system can be guaranteed through the control valve bank, so that the requirement for the high flow of the wheel hub motors is met.
Owner:JILIN UNIV
Mobile robot system based on artificial road sign and docking method thereof and storage medium
InactiveCN108388244ALow degree of modificationLow costPosition/course control in two dimensionsVehiclesEngineeringPositioning system
The invention provides a mobile robot system based on an artificial road sign. The mobile robot system comprises the artificial road sign and the mobile robot. The mobile robot comprises a structuralbody, a sensor and a controller. The sensor and the controller are installed on the structural body. The controller comprises the following modules: a road sign identification module which acquires the surrounding environment data from the sensor and identifies the artificial road sign; a positioning module which calculates and acquires the real-time pose of the structural body relative to the artificial road sign and calculates the deviation data between the real-time pose and the target pose; and a navigation control module which generates a navigation control instruction according to the deviation data. The invention also correspondingly provides a docking method, a mobile robot positioning system based on the artificial road sign and a computer readable storage medium. The robot is enabled to be docked at different positions and orientations in the area where the road sign can be observed, the degree of environmental reconstruction is low and the position of the road sign does notneed to be accurately calibrated.
Owner:SHANGHAI JIAO TONG UNIV
Dual-swing spraying device
ActiveCN104735916AThe installation process is simple and convenientThe disassembly process is simple and convenientMovable spraying apparatusConductive material chemical/electrolytical removalLinear motionDual action
The invention relates to the technical field of etching and developing equipment, and discloses a dual-swing spraying device used for an etching machine or a developing machine. The dual-swing spraying device comprises an upper swing spraying unit and a lower swing spraying unit which are symmetrical to each other. Each swing spraying unit comprises a guide rail perpendicular to the conveying direction of a substrate to be etched, a spraying frame and a plurality of spraying pipes, wherein the spraying frame is erected on the guide rail and does reciprocating linear motion in the direction perpendicular to the conveying direction, and the spraying pipes are movably arranged in the spraying frame at intervals. A rotating block is arranged between the guide rail and one of the two ends of each spraying pipe. One end of each rotating block is rotationally connected with the guide rail, and the other end of each rotating block is perpendicularly and axially connected with the corresponding spraying pipe in a positioning mode. According to the dual-swing spraying device, the spraying pipes movably penetrate in the spraying frame, thereby being easy and convenient to assemble and disassemble; the rotating blocks are arranged between the spraying pipes and the guide rail, the spraying pipes achieve the rotation and linear motion dual-action spraying under the effect of reciprocating linear motion of the spraying frame, the water pond effect is effectively eliminated, and etching precision and efficiency are improved.
Owner:SHENZHEN JECH TECH
LED tunnel lamp
InactiveCN101329023AHigh luminous intensityThe installation process is simple and convenientPoint-like light sourceLighting heating/cooling arrangementsEngineeringTroffer
The invention discloses an LED tunnel lamp which consists of a lamp housing, a panel transparent lampshade, at least one LED light source module arranged inside the lamp housing, a reflecting shade at least provided with one installing hole for the LED light source module, an LED light source driver and a sealing ring, wherein, the lower opening of the lamp housing is fixedly sealed by the panel transparent lampshade (the sealing ring is filled in the lamp housing in a matching way, the joint thereof is bonded by glue water), therefore, a sealed cavity is formed between the lamp housing and the panel transparent lampshade; an installing groove is arranged on the internal top surface of the lamp housing, the LED light source module is arranged in the installing groove (the installation can be assisted by certain pasty heat transfer medium), the reflecting shade is positioned in the lamp housing and fixedly connected with the panel transparent lampshade, the LED light source module is positioned in the installing hole, and the LED light source driver is fixed at the inner lower part of the lamp housing. The LED tunnel lamp of the invention can obviously enhance the heat dissipation effect, prolong the service life of the lamp, and reduce the production cost.
Owner:KUSN TAIDELONG MACHINERY
Closed type hydraulic transmission system
InactiveCN103790876AHigh delivery pressureQuick responseServomotor componentsServomotorsHydraulic pumpControl valves
The invention discloses a closed type hydraulic transmission system which solves the problem that impact pressure on a motor shell caused by high-pressure oil during status switching and a certain amount of pressure existing in a loop when a hydraulic motor does not work produce resistance on vehicle running. The closed type hydraulic transmission system comprises a power input mechanism, a hydraulic pump assembly, a hydraulic control valve set, a first hydraulic motor, a second hydraulic motor, a non-pressurization oil tank and a control unit. The power input mechanism is in mechanical connection with the hydraulic pump assembly which is in pipeline connection with the hydraulic control valve set, the hydraulic control valve set is in pipeline connection with the first hydraulic motor and the second hydraulic motor respectively, the first hydraulic motor is in mechanical connection with a load mass body of the first hydraulic motor, the second hydraulic motor is in mechanical connection with a load mass body of the second hydraulic motor, both the hydraulic pump assembly and the hydraulic control valve set are in pipeline connection with the non-pressurization oil tank, and the control unit is connected with the hydraulic pump assembly and the hydraulic control valve set through signal wires.
Owner:JILIN UNIV
Real time traffic light control system
InactiveCN106971568AReduce waiting timeImprove efficiencyControlling traffic signalsVideo monitoringReal-time Control System
A real time traffic light control system is disclosed and belongs to the technical field of traffic. The system comprises a traffic light control system, a traffic information control center and a terminal user device. Intersection information is filmed via a high definition camera and transmitted to a traffic light controller for processing, on and off of the traffic light is controlled in real time according to processing information, work information of the traffic light control system is transmitted to the traffic information control center via a communication module, the traffic information control center is used for controlling the traffic light control system to work according to obtained information and providing service for a user through the terminal user device, and trip routes are designed for the user. According to the real time traffic light control system disclosed in the invention, on and off time of a traffic light can be controlled in real time via a video monitoring mode, connection between the real time traffic light control system and a traveler is built via the traffic information control center and the terminal user device, transit information of all routes is sent to the traveler, the trip routes are designed according to requirements of the traveler, road usage efficiency can be effectively improved, and waiting time can be reduced for the traveler.
Owner:FOSHAN SHENFENG AVIATION SCI & TECH
Hot galvanizing sink roller shaft sleeve and on-line testing method for liner wear degree
ActiveCN101270462AReal-time online detection of wear amountOn-line detection of wear amountHot-dipping/immersion processesHydraulic cylinderReciprocating motion
The invention discloses an online detecting method for the attrition rate of a pot galvanizing sink roll shaft sleeve and a bush. The method includes that a zinc pot device is provided with a scraper device for preventing the surface of the sink roll from sticking zinc; the head of the scraper is contacted with the roll surface of the sink roll and reciprocates along the length direction of the roll body; a scraper rod is fixed on a bracket on a hinged point; the upper end of the scraper is also fixed on the bracket through a hydraulic cylinder; therefore, the piston of the hydraulic cylinder is proportional to the displacement of the scraper; the attrition capacity of the bearing of the sink roll is directly calculated by mounting a displacement sensor on the hydraulic cylinder to measure the stroke of the piston of the hydraulic cylinder. The invention can online detect the attrition rate of the pot galvanizing sink roll shaft sleeve and the bush in real time, provides instruction for the maintenance and replacement of the sink roll, avoids the unnecessary wastes caused by replaying the roll in ahead and the roll imprint appeared on the surface of a steel belt caused by excessive attrition as well as the worn out of the shaft sleeve and the bush when serious and even serious accident of shaft head crack.
Owner:BAOSHAN IRON & STEEL CO LTD
Optical fibre-LED coaxial connector
InactiveCN101629700ASmall light emitting surfaceReduce adverse effectsMechanical apparatusPoint-like light sourceEngineeringMetallic Lead
The invention provides an optical fibre-LED coaxial connector comprising a front-end outer sleeve and a rear-end sleeve matched with each other to form a cavity; an LED base is arranged in the front-end outer sleeve; a condensing lens is mounted between the LED base and an optical fibre end portion; an optical fibre fixer is mounted in the cavity for fixing the LED base, the condensing lens and the optical fibre; the optical fibre fixer comprises a centering ring and a clamping ring; the LED is used as input of the condensing lens and the optical fibre is used as a conductor for outputting light rays; an LED chip, a radiator, a chip lead, an electrode lead and a reflecting bowl are packaged on the LED base; the reflecting bowl outputs light to the LED for alignment; the condensing lens focuses light rays into the optical fibre; the centering ring and the LED base are processed accurately to ensure the optical fibre and the LED chip coaxial, thereby effectively improving the coupling efficiency; in addition, the connector has simple and compact mechanical connection structure, and simple and convenient installation and disassembly.
Owner:HUAZHONG UNIV OF SCI & TECH
Three-phase load transfer device
InactiveCN101609991AEliminate hazardsReduce line lossPolyphase network asymmetry elimination/reductionPolyphase network asymmetry reductionThree-phaseAlternating current
The invention provides a three-phase load transfer device, comprising an input module, an input measurement module, a phase sequence adjustment module, a phase sequence display module and an output module, wherein the input module provides the input of the three-phase alternating current, and the input phase sequence of the three-phase alternating current is ABC; by measuring the levels of the current and the voltage of the three-phase alternating current which is input into the input module, the input measurement module judges whether the three-phase load is imbalanced or not; in order to provide three output phase sequences, namely ABC, BCA and CAB, the phase sequence adjustment module adopts three independent contactors for the three-phase current of which the input phase sequence is ABC; when the input measurement module detects the imbalance of the three-phase load by measurement, the operation of switching the output phase sequences is carried out, otherwise, outputting is carried out according to the original phase sequences; the phase sequence display module provides three indicator lights, and each indicator light corresponds to one of the three output phase sequences, namely the ABC, the BCA and the CAB, so as to display the current output phase sequence; and the output module outputs the three-phase alternating current into the load after the phase sequence adjustment module adjusts the phase sequences.
Owner:王霞
Display screen maintained from front end
ActiveCN102054403AInstall before implementationFlexible disassemblyCasings/cabinets/drawers detailsIdentification meansComputer moduleSoftware engineering
Owner:苏州芮智视讯信息科技有限公司
Heliostat of double-push-rod structure
ActiveCN105928228AEasy maintenanceThe installation process is simple and convenientPhotovoltaic supportsSolar heating energyHeliostatHorizontal axis
The invention discloses a heliostat of a double-push-rod structure. The heliostat comprises reflectors, heliostat frames, a main beam, a supporting base, a connecting base and a first bearing. The main beam is used for mounting of the heliostat frames. The heliostat frames are used for supporting the reflectors. The main beam is connected with and arranged on the connecting base. The main beam can rotate around itself to do horizontal rotational motion. The supporting base and the connecting base are connected through the first bearing, and the connecting base can rotate around the supporting base to do azimuth rotational motion. The connecting base is driven by an azimuth telescopic push rod to do azimuth rotational motion around the vertical axis of the supporting base. The main beam is driven by a horizontal telescopic push rod to do horizontal rotational motion around the horizontal axis of the main beam. The heliostat of the double-push-rod structure has a short transmission chain, and the precision of the rotation angle is easy to control. Moreover, the number of main parts is small, and the machining and manufacturing difficulty and the manufacturing cost are reduced.
Owner:ZHEJIANG SUPCON SOLAR TECHNOLOGY CO LTD
Cabin thrust and foundation settlement real-time monitoring system and monitoring method for wind turbine
InactiveCN107630794AThe installation process is simple and convenientEasy maintenanceMachines/enginesWind motor monitoringNacelleData needs
The invention relates to a cabin thrust and foundation settlement real-time monitoring system and monitoring method for a wind turbine. At least one GNSS antenna and one GNSS receiver are mounted on each of draught fans, and base stations near the draught fans can provide differential data needed by precise positioning at the same time for the plurality of draught fans in a wind field. The whole system is simple and convenient to mount and maintain and can be also suitable for the wind field with a large installed capacity. The monitoring method is achieved by measuring displacement of the cabin. On the premise of relatively small wind loads of the draught fans, whether settlement or non-uniform settlement happens in the foundation or not can be monitored too by means of measured elevationand horizontal displacement changes of the cabin; the conventional pseudo distance difference technology is replaced by RTK technology, so that the positioning precision of the cabin can be improvedto centimeter level. As the settlement, which is in a commonly centimeter level, of the foundation of the draught fans is different from the displacement of the cabin subject to the wind loads, the measuring precision reaches the centimeter level, thereby providing a reliable guarantee for settlement detection. The system also monitors the displacement at high frequency in real time by applying the RTK technology.
Owner:YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
Splicing flower box
The invention relates to a splicing flower box. The flower box comprises a bottom plate, bottom side plates and connecting clamping columns. The upper ends of the bottom side plates are connected with cross beams, and an arc-shaped connecting block is arranged between every two adjacent cross beams. Clamping heads are arranged at the upper ends of the bottom side plates, clamping grooves are formed in the side edges of the cross beams, and the bottom side plates are connected with the cross beams through the matching of the clamping heads and the clamping grooves. The bottom side plates are connected with the connecting clamping columns in a clamping mode, and the cross beams are connected with the arc-shaped connecting blocks in a clamping mode. The splicing flower box has the advantages of being detachable and convenient to dismount and mount. The splicing flower box is made of aluminum alloy, and thus the structure is firm and the service life is long.
Owner:嘉兴杰欣园艺景观有限公司
Floating drilling platform and construction technology used for bridge pier construction in water
ActiveCN102303691AReasonable structural designFlexible assemblyBridge erection/assemblyFloating buildingsFloating platformSteel plates
The invention discloses a floating drilling platform used for bridge construction and a construction technology thereof. The floating drilling platform comprises a floating supporting platform, a temporary fixing device used for temporarily fixing the floating supporting platform, and a hoisting system distributed on the floating supporting platform; the floating supporting platform comprises horizontal floating bodies, a horizontal supporting framework and horizontal steel plates, wherein the horizontal floating bodies are formed by assembling a plurality of small floating boxes; lowering through holes used for lowering steel casings are arranged on the horizontal steel plates; and the lowering passages are correspondingly reserved on the horizontal supporting framework and the horizontal floating bodies. The construction technology of the floating drilling platform comprises the steps of: firstly, assembling the floating supporting platform; secondly, shifting the floating supporting platform; thirdly, temporarily fixing the floating supporting platform; fourthly, lowering the steel casings; fifthly, constructing drilling piles; and sixthly, constructing base slabs in water. The floating drilling platform and the construction technology disclosed by the invention have the advantages of reasonable design, convenience for construction, low construction cost, good using effect, and capability of solving the problems of large restriction of geographical conditions, incapability of driving drilling pile foundations, incapability of positioning and inserting-piling the steel casings and the like of the traditional floating platform.
Owner:CHINA RAILWAY FIRST GRP CO LTD
Method, device and equipment for identifying opening-closing states of axial doors
PendingCN109972915ASolve the practicality is not highThe installation process is simple and convenientNon-mechanical controlsComputational physicsEngineering
The invention relates to a method, a device and equipment for identifying opening-closing states of axial doors. The method comprises the following steps: obtaining real-time data of three axles of ageomagnetic sensor; calibrating the real-time data according to preset calibration data to obtain calibrated data; calculating a magnetic intensity vector of a current space according to the calibrated data; comparing the size of the magnetic intensity vector of the current space with the size of a preset magnetic field intensity threshold; and identifying the opening-closing states of the axial doors based on comparison results. The identification equipment using the method provided by the embodiment is convenient and rapid in mounting process, accurate in identification results and high in practicability.
Owner:深圳智游者科技有限公司
Large-caliber lubricating oil path online metal particle monitoring device and detection method
InactiveCN109738338AStrong anti-interference abilitySimple driving circuitParticle size analysisPhysicsCondition monitoring
The invention belongs to the field of mechanical equipment state monitoring, and particularly relates to a large-caliber lubricating oil path online metal particle monitoring device and detection method. The device comprises a sensor; the sensor comprises a first magnetic pole, a large-caliber oil pipe outer side plane groove, a detection coil, a second magnetic pole and an excitation coil; oil liquid is guided to pass through a large-caliber oil pipe along a lubricating oil path system of mechanical equipment; the two magnetic poles of the sensor are attached to the outer side of the large-caliber oil pipe; the excitation coil on the sensor is connected with a direct-current power supply; the detection coil is arranged on the outer surface of the large-caliber oil pipe; and the detectioncoil is connected with a voltage signal acquisition device. A direct current is used for driving the sensor to generate an axial high-gradient static magnetic field as an excitation source, and the sensor is good in anti-interference capability; and compared with a traditional inductance sensor which adopts high-frequency excitation, a driving circuit is simple, and the tiny parameter change of the excitation coil does not cause the considerable change of a sensor output, so that the manufacturing precision requirement on the sensor is not high.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Excavator bucket tooth
The invention provides an excavator bucket tooth and belongs to the technical field of machinery. The problem that existing excavator bucket teeth are inconvenient to install and dismantle and unfirm in structure is solved. The excavator bucket tooth comprises a tooth seat provided with an installing portion and a bucket tooth body provided with a connecting portion, wherein the installing portion is inserted into the connecting portion, a first installing hole which is through is arranged at the installing portion, and a second installing hole and a third installing hole which are through are arranged at the connecting portion. The second installing hole and the third installing hole are coaxial, the first installing hole, the second installing hole and the third installing hole form a through pin hole, a pin penetrates into the pin hole, an outer side wall of the pin is provided with a radially protruding positioning portion, an inner side wall of the second installing hole is provided with a guide groove matched with the positioning portion, the inner end of the guide groove is communicated with a positioning groove arranged between the installing portion and the connecting portion, and the axial length of the positioning groove is slightly larger than that of the positioning portion. The excavator bucket tooth has the advantages of being convenient to install and dismantle, firm in structure, high in stability and the like.
Owner:宁波市鄞州精铸五金厂
Ultimate limiting device
InactiveCN102344065AThe installation process is simple and convenientEasy maintenanceElevatorsLimit switch
Owner:SUZHOU XINDA ESCALATOR ACCESSORIES
Sliding pin type shelf board bracket of cabinet
InactiveCN109008350AAchieve installationThe installation process is simple and convenientFurniture partsEngineeringMechanical engineering
Owner:杭州顾家定制家居有限公司
Multi-split air conditioning system
ActiveCN103982943AReduce manufacturing costReduce volumeLighting and heating apparatusSpace heating and ventilation detailsSuper coolingAir conditioning
The invention provides a multi-split air conditioning system. The multi-split air conditioning system comprises an indoor unit, multiple outdoor units and super-cooling devices, wherein the multiple outdoor units are communicated with the indoor unit through pipelines after being connected in parallel, the super-cooling devices are detachably arranged on the pipelines, and the super-cooling devices are communicated with the indoor unit and the multiple outdoor units which are connected in parallel. The multi-split air conditioning system provided by the invention is provided with the multiple outdoor units which are connected in parallel, the super-cooling devices are detachably arranged on the pipelines, whether the super-cooling devices need to be arranged or not can be selected by a user according to self needs, and the super-cooling devices can be arranged in any positions on the pipelines; compared with a mode of arranging the super-cooling devices in the outdoor units in the prior art, the super-cooling devices are detachably arranged on the pipelines, on one hand, the using amount of the super-cooling devices is effectively reduced, the problem of resource waste is avoided, and thus the production cost of the multi-split air conditioning system is effectively reduced; on the other hand, the size of the outdoor units is effectively reduced, thus the conveying amount of the outdoor units is increased, and the conveying cost is reduced.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Solar flower box
The invention relates to a solar flower box which comprises a solar cell panel, a light-emitting diode (LED) lamp strip, a base plate, a base side plate, an upper side plate and a connecting clamping column. The inner side wall of the flower box is provided with a baffle, the LED lamp strip is arranged in the baffle, and the side wall of the flower box corresponding to the LED lamp strip is provided with a light hole. The solar cell panel is arranged on the outer side of the flower box and electrically connected with the LED lamp strip. The upper end of the base side plate is connected with the beams, an arc-shaped connecting block is arranged between every two beams, the upper side plate is arranged between the base side plate and the beams, the upper end of the base side plate is provided with clamping heads, the side edges of the beams are provided with clamping grooves, and the base side plate is connected with the beams through the matching of the clamping heads and the clamping grooves. A connection mode between the base side plate and the connecting clamping column and a connecting mode between the beams and the arc-shaped connecting block are clamped connection. The upper side plate, the base side plate, the connecting clamping column and beams are made of aluminum alloy. The solar flower box has the advantage of immunization indication and is convenient to dismantle and install; and the solar flower box is made of aluminum alloy and is firm in structure and long in service life.
Owner:江西新科技杰欣园艺景观有限公司
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