20results about How to "Portfolio diversification" patented technology

The utility model discloses a grabbing type sea cucumber fishing robot. The sea cucumber collecting robot comprises a robot frame, a five-degree-of-freedom mechanical arm and a sea cucumber collecting device, a mechanical arm base and a sea cucumber collecting device are fixedly arranged on the top of the robot frame, a sealing bin is fixedly arranged at the bottom of the robot frame, and vertical propellers and horizontal propellers are fixedly arranged on the periphery of the robot frame. And the synchronous pulley II is driven by the stepping motor I to realize the rotary motion of the mechanical arm. According to the underwater robot, the five-degree-of-freedom mechanical arm and the eight-shaft propeller are adopted, and free movement and flexible grabbing of the robot under water are achieved. The sea cucumber catching robot can replace manpower to catch sea cucumbers and is not limited by seasons. The water pressure borne by the device is far higher than that borne by human beings, so that the device has higher safety. The sea cucumber catching robot is used for replacing manual work, and potential hazards of the marine environment to the body health of a caught person are effectively avoided.

The application belongs to the technical field of petroleum drilling equipment, and discloses a combined blowout preventer pressure testing device and a use method. The combined blowout preventer pressure testing device comprises a pressure testing blind plate guide shoe and a pressure testing blind plate simulated drill string. The pressure testing blind plate guide shoe comprises an automatic guide mechanism, a centering mechanism, a pressure testing blind plate, a connecting groove, a water pressure interface, a pressure relief port and a sealing steel ring groove. The automatic guide mechanism is fixed to the top of the centering mechanism. The centering mechanism is located at the top of the pressure testing blind plate. The connecting groove is arranged at the center of the automatic guide mechanism and the centering mechanism. The lower end of the pressure testing blind plate simulated drill string is detachably arranged in the connecting groove. The water pressure interface and the pressure relief port are arranged in the centering mechanism and the pressure testing blind plate. The sealing steel ring groove is arranged on the upper end surface of the pressure testing blind plate. The combined blowout preventer pressure testing device is stable and reliable, can cover all specifications of blowout preventers, is convenient and fast to operate, saves time and effort, has high dismounting and mounting efficiency, and has small operation risk.

The utility model provides an auxiliary construction device of a concave-convex concrete pavement for an automobile detection line, which comprises a pavement processing part, an auxiliary part and a control part, a main body frame comprises a base, rollers, a support plate, a U-shaped carrier plate and a transfer carrier plate, and a transfer mechanism comprises a transverse transfer structure and a longitudinal transfer structure. The cleaning mechanism comprises a cleaning structure and a water circulation structure, the loading mechanism comprises a servo motor, an electric telescopic rod, a clamping jaw motor and an electric roll shaft, and the storage mechanism comprises a waterproof base plate. Compared with a traditional concave-convex pavement manufacturing mode, the manufacturing period is remarkably shortened; the mold reutilization rate is improved, and the pavement manufacturing cost is reduced; the workload of the emptying or stacking step is obviously reduced, and the consumed time is greatly shortened; the cost is low and no mechanical fault exists; maintenance steps are simplified, materials such as concrete are adopted for repair, and maintenance difficulty is low. The mold is diversified in combination and can meet the construction requirements of various test pavements.

The invention relates to the technical field of aerospace material processing, and discloses a punching device for aerospace materials and a punching method of the punching device, a double-drilling-machine structure is adopted, two sets of hole positions can be formed and processed through one-time action, and compared with traditional single-drilling-machine equipment, the punching device has higher processing efficiency; the two sets of servo drilling machines are connected and installed through a servo rotary table and a pedestal structure, the servo drilling machine on one side is independently driven by a fifth motor in a lifting mode, and single-hole forming, equal-depth double-hole forming and non-equal-depth double-hole forming and machining can be conducted through the lifting driving control of the servo drilling machine on one side in cooperation with a midpoint positioning type machining method. The device is flexible to work, machining modes can be flexibly selected according to different aviation plates, and the device can meet machining requirements of various distributed hole sites in a plane due to the fact that the device is diversified in combination, and a double-CCD-camera visual positioning structure is adopted, and a protective partition plate is arranged at the position, close to a lens of the machining side, of the lower portion of the CCD camera. Effective dustproof shielding protection can be performed on the lens side of the CCD camera through sliding shielding protection.

The present invention provides an intelligent recommendation method, system, computer device and storage medium for network materials. The scheme method includes: obtaining a first material file, pre-processing the first material file by labeling, and constructing a knowledge graph based on the first material file after labeling pre-processing; obtaining a user input instruction, and extracting a first keyword from the user input instruction; matching the first keyword in the knowledge graph, filtering and obtaining a second material file according to the matching result, and generating a template file according to the second material file; the scheme is based on the knowledge graph, so that the classification of materials is not limited to the attribute classification of the materials themselves, and provides users with richer optional content. The scheme can realize the creative creation output of users' design concepts, the combination of templates is diversified, and the concept association search is more universal, which can be widely used in the field of computer technology.

The present invention relates to the technical field of urban underground integrated pipe corridors, and specifically to an intelligent recommendation system for hardware selection of ACU controllers, the system comprising a server, the server comprising: a data acquisition module: used to obtain structural data of underground urban integrated pipe corridors and user demand data; a function analysis module: used to perform functional analysis on structural data and demand data, and arrange and combine function modules of screened models to obtain a function module combination; and also used to evaluate the cost performance and sort the list according to the parameter data of each function module in the function module combination; an intelligent recommendation module: used to recommend the sorted list of function module combinations to the user. The present invention solves the problem that in the current stage of manually completing the hardware design stage of the ACU regional controller, due to the many factors to be considered and the need for repeated adjustments, a lot of time and resources will be consumed, and there are risks caused by human errors.

The invention provides a test system and a test method for an electric energy quality control device. The test system comprises a power grid simulation unit, a power generation unit, a power utilization unit and a test unit. The power grid simulation unit provides voltage source type disturbance and voltage drop disturbance, the power generation unit and the power utilization unit provide current source type disturbance, and then the treatment effect is tested through the test unit. According to the application, the voltage source type disturbance and the current source type disturbance are combined, the voltage drop disturbance is also considered, the real scene of the power grid can be simulated, the treatment effect of the electric energy quality treatment device on the electric energy quality is not influenced, and the test reliability of the test system can also be improved. After the voltage source type disturbance, the current source type disturbance and the voltage drop disturbance are superposed, the disturbance quantity is dynamically changed and various combinations are achieved, and the electric energy quality control performance of a parallel electric energy quality control device and a series electric energy quality control device in various complex dynamic disturbance environments can be tested.

The embodiment of the application provides a magnetic attraction charging projector sound box, which comprises at least two external sound boxes, a battery module is arranged in the external sound box, and a magnetic attraction element and a power receiving coil are arranged on one side of the external sound box. A projector body is used for cooperating with the external sound box, at least two sides of the projector body are provided with a magnetic attraction cooperation element and a power transmission coil; the magnetic attraction cooperation element corresponds to the magnetic attraction element in position, the power transmission coil corresponds to the power receiving coil in position, the external sound box is magnetically attracted and connected with the projector body, and the projector body charges the external sound box when magnetically connected; WIFI communication is performed between the projector body and the external sound box. By increasing the external sound box on the projector body, it is not necessary to be limited to the small space built-in the projector body, that is, a loudspeaker module is increased outside the projector body, so that the number of loudspeakers is increased and the quality of the loudspeakers is improved, so that the audio effect is improved. The external sound box and the projector body are magnetically connected, and are convenient to disassemble.

The utility model relates to the technical field of point light sources, and discloses a spray lighting effect point light source. Comprising a main body mechanism, a base mechanism is arranged on the surface of the main body mechanism, a plurality of lamp bead mechanisms are arranged in the main body mechanism, the main body mechanism is located above the base mechanism, the main body mechanism comprises a lamp panel module, and a fixing groove is formed in the arc surface of the lamp panel module; a plurality of connecting blocks are fixedly connected to the bottom of the lamp panel module, a plurality of mounting grooves are formed in the top of the lamp panel module, fixing holes are formed in the bottoms of the mounting grooves, and a plurality of clamping grooves are formed in the inner walls of the mounting grooves. A worker can conveniently and independently replace the main body mechanism, abrasion to an installation site caused by bolt assembling and disassembling during overall replacement is avoided, meanwhile, lamp panel modules of different specifications can be conveniently replaced, and therefore the effect that lamp bead main bodies can be combined in a diversified mode is achieved.

The invention discloses an intelligent information release management system and method for urban traffic, and relates to the technical field of intelligent traffic management, and the system comprises a database, a dynamic collection module, an urban map module, a demand generation module, a change distribution module and a release uploading module. The technical key points are as follows: real-time traffic road information of urban traffic is collected in real time, a composite network is constructed, a corresponding initial path is generated by analyzing a traffic plan of a traveler and considering multiple factors such as time, a navigation principle and a financial principle, and when the traveler deviates from the initial path, path change is generated, so that the traveler is driven to travel. The influence range generated by each change and the corresponding road section flow on each sub-network are recorded, the road impedance is calculated to serve as a connection function, the composite network is updated in time to provide rich traffic choices, the principle of adjustment according to the real-time traffic condition and the user demand is ensured, and the real-time traffic change is realized to a certain extent. And the management efficiency of the system is improved.

This invention discloses a test system based on the transmission module of an onboard transponder for high-speed trains in the field of railway communication technology. The system includes an electronic tag installed on the high-speed train for storing train information; a receiving unit comprising an onboard BTM antenna for receiving radiated signals emitted by the train during operation and recording the magnetic field energy of the radiated signals; a locomotive identification unit for automatic identification of the train; a BTM electromagnetic interference source location unit for calculating the location of interference sources on the train based on the magnetic field energy received by the receiving unit and Biosava's law; and a data terminal for receiving, storing, and querying test data of the interference sources. This invention utilizes the magnetic field energy received by the BTM antenna and Biosava's law to locate the interference source with only one train run, reducing energy, time, and manpower consumption required for train runs and saving investigation costs.

The utility model provides a water jet loom with a double-layer production mechanism, which comprises an upper loom component, a lower loom component and a water jet component, the upper loom component and the lower loom component have the same structure, and the lower loom component is mounted above the lower loom component through a mounting bracket. Compared with the prior art, the double-layer weaving machine has the advantages that by arranging the upper weaving machine assembly and the lower weaving machine assembly, the double-layer structure of the upper weaving machine assembly and the lower weaving machine assembly can weave two layers of fabrics at the same time, equivalently, double production tasks are completed at the same time, and therefore the overall production efficiency is improved; by means of the water pump and the water spraying piece which are symmetrically installed, it can be guaranteed that water is evenly sprayed to the fabric, the consistency of weaving quality is improved, and meanwhile the water tank and the water spraying piece on the fixing plate are simple in installation structure and convenient to maintain and clean.

The present invention discloses a multifunctional graphic programming self-organizing network light stick control system, comprising an information acquisition module, an MCU control module, an image processing and color recognition module, an LED light module, a wireless transmission module, and a power module; the information acquisition module transmits the light stick posture information to the MCU control module; the MCU control module controls the LED control module through the image processing and color recognition module; the MCU controls the wireless transmission module. The present invention provides a multifunctional graphic programming self-organizing network light stick control system with various functions, which can combine various patterns by recognizing the posture information of the light stick, and can form a light pattern by networking and emitting light.

The utility model relates to valve body shell technical field, concretely is a stamping, stretch forming split type welding assembly's valve body shell, including water inlet flange, water outlet flan, the water inlet flange and water outlet flan all include the annular groove flange, circular flange body and the outer turning ring circular flange of being provided with three kinds of flange form of circular notch, flat mouth and outer turning, and the annular groove flange, circular flange body and outer turning ring circular flan all are divided into two kinds of standard form of circular flange and circular flange with notch, the utility model has the advantages of multi-component combination welding, through the welding connection mode of many flanges makes the valve body shell more suitable, welding firm easy to assemble, production process and process are more environmental protection and do not have the advantages such as pollution discharge, solve the connecting drawbacks of existing water valve, matching and the limitation lead to in the installation process, and the problem of complicated production procedure and pollution emission in casting and forging process.

The utility model relates to the technical field of in-vehicle atmosphere lamps, and discloses a double-lamp hollow projection handrail and door plank, which comprises a handrail seat, a back plate and a mounting part, a first handle space is arranged between the handrail seat and the back plate, a second handle space is arranged among the handrail seat, the back plate and the mounting part, a first atmosphere lamp assembly is connected in the first handle space, and a second atmosphere lamp assembly is connected in the second handle space. And a second atmosphere lamp assembly is connected in the second handle space. The utility model solves the problems in the prior art that the irradiation range of an atmosphere lamp is limited when the atmosphere lamp is arranged in the handle space, and the effect of improving the atmosphere feeling of the car door position is limited.

The application discloses a semiconductor processing equipment and a wafer conveying platform thereof. The wafer conveying platform comprises a platform body, a mechanical hand for wafer grabbing arranged on the platform body, at least one extension cavity, the extension cavity being detachably installed on the platform body through a connecting piece and located on the side of the platform body, the extension cavity and the platform body constituting a platform area, and a reaction cavity group, the reaction cavity group being multiple groups and each reaction cavity group being arranged on the outer periphery of the platform area. When a certain or some reaction cavities are out of order, other reaction cavities arranged in parallel with the certain or some reaction cavities can be selected to complete work without stopping, so that the wafer processing efficiency is improved and the equipment maintenance cost is reduced.

The present invention discloses a rolling optimization method for intersection signals that considers demand flow in a vehicle networking environment, including three key steps: a vehicle path shortest path and turning prediction model, an intersection queue length estimation model, and a dynamic signal timing scheme optimization model. The method of the present invention collects the OD information and vehicle operation status information of the upstream vehicles imported in the vehicle networking environment, infers the flow attributes of the vehicles at this intersection, and then accurately estimates the arrival status of the downstream vehicles. Finally, a mixed integer programming model is constructed to dynamically recommend the best signal timing scheme for the intersection signal lights, thereby improving the efficiency of urban road traffic operation and reducing the level of travel delays.

The present invention provides a light-driven bionic octopus soft underwater robot, comprising a power system and a control system, wherein the power system comprises a bionic arm, wherein the bionic arm comprises at least three arm units connected in sequence, wherein each arm unit comprises a cylindrical silicon elastomer, wherein each arm unit is provided with at least three power tubes, wherein the power tubes are cylindrical cavities made of light-responsive materials. The present invention can realize bending and deformation in any direction or angle, has high flexibility, and has a large operating space.

This utility model relates to the field of water sample collection technology, and discloses a membrane-type passive sampler for pathogen enrichment in domestic sewage. It includes: a shell, a pressure cap that mates with the shell, and a separator disposed inside the shell; the separator divides the interior of the shell into at least two independent receiving cavities, each containing a detachable adsorption module for pathogen enrichment. The capsule-type adsorption module allows for convenient replacement and diverse combinations of adsorption materials. One sampler can collect one or two different pathogens, or perform parallel sample collection, greatly improving sampling efficiency and data reliability. Simultaneously, the internal structure of the sampler's shell and the separator ensure the independence and loading stability of the samples, avoiding cross-contamination.