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86results about How to "Strong convenience" patented technology

Taking machine for liquid or ropy material with better liquidity in high-capacity plastic flexible package

The invention relates to a taking machine for liquid or ropy material with better liquidity in a high-capacity plastic flexible package. The taking machine comprises a thimble provided with a limit table and a film resistance table, a locking slide bush A or a locking slide bush B or a locking slide bush C or a base provided with a locking face, a locking seal part, a seal element, a spring, a spring slot, a stopcock or a valve or a water suction pump and a cover or a plug. The beneficial effects of the taking machine are as follows: the possibility that the material in the high-capacity plastic flexible package outflows during the package puncturing process or leaks due to imperfect sealing in use process is completely eradicated; the taking machine provided by the invention can be independently or be connected with a clamp, a stopcock and a valve or a water suction pump for being repeatedly applied to the high-capacity plastic flexible package; and based on the taking machine, a novel portable taking machine, or a connecting device or an all-in-one machine in upper material taking pipeline connecting type, an upper material taking floater connecting type, a lower material taking fixing thimble pipeline connecting type, a lower material taking fixing thimble floater connecting type, a lower material taking movable thimble pipeline connecting type and a lower material movable thimble floater connecting type can be assembled.
Owner:欧阳军

Individual soldier helmet type emergency command system based on various 3G (3rd-Generation) wireless networks

InactiveCN101997563ASolve the problem of needing additional access to image display devicesReduce volumeTelevision conference systemsTwo-way working systemsWireless mesh networkData acquisition
The invention relates to an individual soldier helmet type emergency command system based on various 3G (3rd-Generation) wireless networks, belonging to a system for wireless multifunctional communication based on an individual soldier knapsack and a helmet platform structure. The individual soldier helmet type emergency command system comprises a fully functional helmet, a master controller, the individual soldier knapsack and an operation box. The fully functional helmet is provided with a video camera, an illuminating lamp, a video display unit, a touch sensing type microphone and bony earphones. The master controller is arranged in the individual soldier knapsack. A wireless communication module, a five-path communication antenna, a multi-mode wireless communication module, a network exchange module and a data acquisition and exchange interface are arranged in the master controller. An individual soldier knapsack belt is provided with the operation box. The system does not need to be externally connected with display devices, supports traditional various 3G networks for two-way wireless transmission and interaction of audio and video signals and data, and can be used for executing a plurality of functions, such as remote command, wireless video sessions, image transmission, wireless reconnaissance, wireless measurement, and the like.
Owner:SHAANXI EYINHE ELECTRONICS

External circulation animal cell culture bioreactor

The invention relates to an external circulation animal cell culture bioreactor which comprises a tank body, an external circulation pipeline, a heater, a peristaltic pump and a control system, wherein the tank body comprises a large tank and a small tank; the small tank is sheathed in the large tank and is clamped and fixed with the large tank respectively through ducts D, A and G; the external circulation pipeline comprises a tank external circulation pipeline and ducts A, B, E and D; on the upper part of the outside of the tank body, the ducts A and B are connected with the tank external circulation pipeline through a tee joint; on the lower part of the outside of the tank body, the ducts E and D are connected with the tank external circulation pipeline through a tee joint; the tank external circulation pipeline penetrates through the peristaltic pump; and the lowest position of the duct D is connected with a drainage pipe. The invention fully displays the characteristics of the animal cell large-scale culture technique, has the characteristics of thorough sterilization, simple operation, low pollution rate of cell culture, good quality and high yield, has favorable functionality and economical efficiency, and can be widely used for animal cell microcarrier suspension culture and animal cell suspension culture.
Owner:罗火生

Three-dimensional steering mechanism load simulator and loading method therefor

The invention relates to a three-dimensional steering mechanism load simulator and a loading method for the load simulator, belonging to the technical field of an airplane steering system test. The simulator consists of a base, an X-axis reciprocating straight-line mechanism, a Y-axis reciprocating straight-line mechanism, a Z-axis reciprocating straight-line mechanism, a bottom platform, a middle platform and a top platform. The method includes the steps that a front landing gear experimental prototype is firstly clamped on the base vertically, then the X-axis reciprocating straight-line mechanism, the Y-axis reciprocating straight-line mechanism and the Z-axis reciprocating straight-line mechanism are controlled to respectively drive the middle platform, the top platform and the bottom platform to do the left-and-right movement, the front-and-back movement and the up-and-down movement, so as to simulate the transverse frictional resistance and the lateral tire force on the airplane when front wheels of an airplane make a turn, namely, various working conditions of the wheels of the airplane in the static turning when the wheels of the airplane are under different ground loads can be simulated. The simulator and the method can achieve the turning test of the front wheels of the airplane under different conditions, and therefore, the practicability and the convenience are very strong, the whole set of device is simple in structure and high in safety.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Large spur gear geometric parameter measurement system and method based on machine vision

The invention provides a large straight gear geometric parameter measurement system and method based on machine vision, and the method comprises the steps: firstly adjusting a camera to a proper position, and enabling the camera to clearly shoot a needed picture; calibrating the camera to obtain an internal reference matrix and a distortion vector of the camera; preprocessing the shot tooth profile local image, wherein the preprocessing comprises distortion correction, image filtering and threshold segmentation; extracting a tooth profile edge local image by using an edge extraction algorithm, and further finely positioning the edge by using a sub-pixel method to obtain a sub-pixel edge; then, extracting key angular points of the tooth profile by using an angular point extraction algorithm, and determining a sub-pixel center of the tooth profile according to the angular points; according to the sub-pixel center, obtaining a gear root circle radius and an addendum circle radius under the pixel coordinate; and through pixel equivalent calibration, obtaining a real root circle radius and an addendum circle radius of the gear, thereby calculating a modulus and a reference circle radius of the gear, and completing measurement of geometric parameters of the large straight gear. According to the method, the measurement automation degree of the geometric parameters of the large straight gear is higher, the function of integrating monocular camera calibration, image processing, parameter measurement and calculation can be achieved, the input cost is low, and the engineering application value is high.
Owner:NANJING GONGDA CNC TECH

Self-circulation green plant container series

The invention relates to a self-circulation green plant container series. A green plant container consists of a plant layer 1, a soil layer 2, a container housing 3, a permeable plate layer 4, a stem baffle layer 5, a bracket plate layer 6, support feet 7, a breathable layer 8, an air transmission port 9, a water storage layer 10, a water conveying core 11, and a water delivery port 12. When a plant is grown in the container, and a water source is injected into the container, self moisturizing, irrigation, moisture regulation, water storage and fertilizer maintenance states can be realized, the plant can be moisturized for several days, and the performances such as efficient water saving irrigation and energy conservation are reached. Particularly, the green plant container series is provided with any herbal or woody plant grown in any terrain and any environment; mixed dirty sea and rain water and the like are completely used as the irrigation water source, the plant and the ecological environment are not polluted, the irrigation water source can be obtained, so that the irrigated land resource utilization rate is increased greatly, the comprehensive treatment cost of the ecological environment is reduced greatly, the circulation sustainability of the ecological environment of the green plant is facilitated, and multiple effects such as high economic and social benefits are realized.
Owner:郭仲秋

Expandable information safety service system and method

The invention discloses an expandable information safety service system which comprises a network interface, a processing module, a management module and a plurality of pieces of information safety equipment, wherein the network interface is used for receiving an information safety service request from a service requesting end by a network; the processing module is used for analyzing the received request and sending data to be processed in the request and a corresponding processing command to the management module; the management module is used for using one piece of information safety equipment as target equipment according to working states of the pieces of information safety equipment and sending the data to be processed and the processing command to the target equipment; each information safety equipment is used for carrying out information safety processing on the data to be processed according to the processing command and returning the processed data to the management module; the processed data is sent to the service requesting end by the management module, the processing module and the network interface. The invention further discloses an expandable information safety service method. By the expandable information safety service system and the expandable information safety service method, required information safety processing is completed through a network service; fussiness of managing information safety equipment is avoided; the expandable information safety service system and the expandable information safety service method have high expandability.
Owner:BEIJING SENSESHIELD TECH

Method for realizing device test protection through recording and playback

InactiveCN103645392AMonitor fault statusStrong real-timeElectrical testingField testsTest question
The invention relates to the technical field of transformer substation protection devices, and specifically relates to a method for realizing device test protection through recording and playback. The method comprises the following steps: (1) the typical failure waveform question bank establishment process: 1) protection is classified according to logical functions specified by IEC61850; 2) and a corresponding typical failure waveform is recorded for each type of protection through an IED detect detector, and a test question bank is generated for an anticipated action of the corresponding failure waveform is inputted manually; (2) and the test process: 1) an appropriate test question bank is selected according to the logical function classification of the tested protection; 2) the protection is connected to the IED detect detector, and a synchronous clock is connected; 3) the test question bank is played back by the IED detect detector, and the action output of the tested protection is received by the IED detect detector; 4) and the action of the tested protection is compared with the anticipated action in the test question bank to judge the test result. The method of the invention has advantages of low cost and convenience, the protection device has advantages of small size and easy carry, so the protection device is suitable for the field tests of various transformer substations, so that advantages of easy utilization and easy operation can be realized.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Anti-shear fatigue asphalt mixture grading and optimizing method based on virtual repeated penetration test

The invention discloses an anti-shear fatigue asphalt mixture grading and optimizing method based on a virtual repeated penetration test. The anti-shear fatigue asphalt mixture grading and optimizingmethod comprises the following steps: firstly fitting through a uniaxial creep compression test result of asphalt mortar, thus obtaining 30 DEG C asphalt mortar viscoelasticity parameters of a contactmodel; then carrying out virtual repeated shear fatigue test, repeating uniaxial penetration test through simulating asphalt mixture, determining the ineffective acting frequency N of the asphalt mixture under the action of repeated penetration, and evaluating the shear fatigue life of the asphalt mixture. According to the anti-shear fatigue asphalt mixture grading and optimizing method disclosedby the invention, an asphalt mixture shear fatigue test three-dimensional discrete element model according with target grading is randomly generated in three-dimensional discrete element software, and then grading and optimizing can be carried out according to a mechanical test value simulation result of the asphalt mixture, so that the anti-shear fatigue asphalt mixture grading and optimizing method has very strong operability, convenience and representativeness, and has a great significance in improving the pavement performance of an asphalt pavement and prolonging the service life of the asphalt pavement.
Owner:ZHEJIANG UNIV

Convenient-to-dismount face tracking equipment

The invention relates to convenient-to-dismount face tracking equipment. The convenient-to-dismount face tracking equipment comprises a fixed strip, a telescopic mechanism, two movable blocks, two movable mechanisms, two cameras and two rotary mechanisms, wherein the telescopic mechanism comprises a first motor, a lead screw, a fixed block, a slide block, a telescopic frame, a connecting plate anda transmission block; and each rotary mechanism comprises a rotary shaft, a rotary assembly and two supporting plates, wherein the rotary assembly comprises a second motor, a transmission belt and two rotary units, and each rotary unit comprises a transmission wheel and a connecting wire. According to the convenient-to-dismount face tracking equipment disclosed by the invention, spacing between the two movable blocks is regulated through the telescopic mechanism, so that the face tracking equipment can be dismounted more conveniently, and therefore, convenience of the face tracking equipmentis stronger; and the positions and the angles of the cameras are regulated through the movable mechanisms and the rotary mechanisms, so that a tracked object can be continuously shot, and therefore, atracking distance of the face tracking equipment is longer, and practicability of the face tracking equipment is improved.
Owner:王伟

Anti-shear fatigue double-layer asphalt mixture grading and optimizing method based on virtual repeated penetration test

The invention discloses an anti-shear fatigue double-layer asphalt mixture grading and optimizing method based on a virtual repeated penetration test. The anti-shear fatigue double-layer asphalt mixture grading and optimizing method comprises the following steps: firstly fitting through a uniaxial creep compression test result of asphalt mortar, thus obtaining 30 DEG C asphalt mortar viscoelasticity parameters of a contact model; then carrying out virtual repeated shear fatigue test, repeating uniaxial penetration test through simulating asphalt mixture, determining the ineffective acting frequency N of the double-layer asphalt mixture under the action of repeated penetration, and evaluating the shear fatigue life of the double-layer asphalt mixture. According to the anti-shear fatigue asphalt mixture grading and optimizing method disclosed by the invention, an asphalt mixture shear fatigue test three-dimensional discrete element model according with target grading is randomly generated in three-dimensional discrete element software, and then grading and optimizing can be carried out according to a mechanical test value simulation result of the asphalt mixture, so that the anti-shear fatigue double-layer asphalt mixture grading and optimizing method has very strong operability, convenience and representativeness, and has a great significance in improving the pavement performance of an asphalt pavement and prolonging the service life of the asphalt pavement.
Owner:ZHEJIANG UNIV

Elevator door plate impact testing device

The invention discloses an elevator door plate impact testing device. The elevator door plate impact testing device is characterized in that the elevator door plate impact testing device comprises a vertical frame and an impact mechanism, two vertical columns are arranged on the two sides of the front end of the vertical frame separately, and vertical grooves are formed in the inner surfaces of the two columns; the impact mechanism comprises an impact mounting frame, a pendulum bob and a driving motor, wherein the pendulum bob and the driving motor are arranged on the impact mounting frame, the pendulum bob is arranged in the middle of the rear end face of the impact mounting frame, the top of the pendulum bob is installed on the impact mounting frame by a chain, and the driving motor is mounted at the top of the front end of the impact mounting frame; an output shaft of the driving motor is provided with a winding reel, the winding reel is provided with a pulling chain in a wound mode, one end of the pulling chain is arranged on the winding reel in a wound mode, and the other end of the pulling chain is connected to the outer edge surface of the middle portion of the pendulum bob;and a sliding rail is further arranged at the bottom of the front end of the vertical frame, and the bottom of the impact mounting frame is slidably arranged on the sliding rail. The elevator door plate impact testing device improves the application range of an elevator door plate test and improves the testing effect.
Owner:克莱斯电梯(中国)有限公司
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