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18results about How to "Accurate return" patented technology

RAG-based multi-format data rapid query method

The invention relates to the technical field of data management and query, and discloses a multi-format data quick query method based on RAG, which comprises the following steps: step a, a user uploads a target file through a front-end interface, and the file is any one of PDF, Word or Excel formats; b, carrying out format verification on the uploaded file; c, selecting a corresponding analysis tool according to a file format, and performing text and structured data extraction on the file by using a PyMuPDF library, a python-docx library or an openpyxl library; and step d, respectively storing the analyzed data into a PostgreSQL (Structured Query Language) database and a Faiiss database. By combining structured data storage and non-structured data vectorization storage, efficient vector similarity retrieval is carried out by utilizing Fiss, and the response time of data query is greatly shortened. Compared with a traditional query method based on full-text search, the method has the advantages that the result most related to user query can be quickly and accurately returned from a large amount of data, so that the data query efficiency is improved.
Owner:BEIJING QIBU TIANXIA TECH CO LTD

Scoring and angle planing device of straightening machine

The invention belongs to the technical field of continuous casting of non-ferrous metals, and particularly relates to a nicking and angle planing device of a straightening machine, firstly, an opening and closing type structure is adopted, when rod blockage occurs to equipment or a center line of a cast ingot needs to be removed, a linear driving mechanism drives an opening and closing end of a mounting frame to move in the direction away from a conveying surface of a straightening conveying device, and a nicking angle planing device is formed; and the two nick angle planing units are opened to form a splayed shape. At the moment, the nicking mechanism and the angle planing mechanism are far away from the cast ingot, the space above the conveying face is completely opened, namely, the space above the cast ingot is completely opened, an operation space is reserved for taking out the waste ingot, and the waste ingot can be conveniently hoisted and taken out. The processing time is reduced and the working efficiency is improved. 2, the mark depth and the planing angle depth are consistent during normal operation, and when abnormal conditions such as large flashes exist on the cast ingot, the thrust of the cast ingot on the mechanism is greater than the thrust set by the cylinder, and the cylinder retreats properly, so that the cast ingot is prevented from forcibly passing through the mechanism under the abnormal conditions, and the mechanism is prevented from being damaged. And thirdly, the device has a quick and accurate return function.
Owner:德阳宏广智能装备有限责任公司

Automatic demoulding mold and method

The invention discloses an automatic demoulding mold and method, comprising an upper mold and a lower mold, the upper mold is buckled on the lower mold, corresponding model grooves are provided in the upper mold and the lower mold, a feeding hole is provided on the upper mold, and the feeding hole is connected to the model groove; a core pulling driving component is arranged on the outer wall of the lower mold, the output end of the core pulling driving component is connected to the core pulling fixing component, a core pulling is arranged on the core pulling fixing component, two ends of the core pulling fixing component are rotatably connected to a moving block, and one end of the moving block away from the core pulling fixing component is slidably connected to the lower mold; a demoulding mechanism is also arranged in the lower mold, one end of the demoulding mechanism passes through the core pulling fixing component, the lower end of the demoulding mechanism passes through the bottom end face of the lower mold, a demoulding driving mechanism is arranged on the outer wall of the bottom of the lower mold, and the output end of the demoulding driving mechanism is connected to the lower end of the demoulding mechanism, the removal of the model will be more convenient, the model can be taken out without applying too much force, deformation and damage of the model will not be caused, the success rate of core pulling is high when reinserting, and the production efficiency is high.
Owner:BAOJI FAST GEAR

Massage machine

The utility model provides a massage machine which comprises a cushion body for a user to lie on, and at least one massage air bag is arranged on the cushion body; in an uninflated state, the massage air bag is movably positioned at an initial position on the cushion body through at least one connecting belt. The massage air bag can move relative to the initial position of the massage air bag, so that the position of the air bag relative to the initial position of the massage air bag can be adjusted according to users with different body types (such as fat and thin); by arranging the elastic connecting belts and the hook-and-loop fasteners, the air bags can return accurately in the inflation and deflation process and after inflation and deflation are completed, meanwhile, the positions of the massage air bags on the cushion body can be changed, the massage air bags can be detached from the cushion body, the positions of the air bags can be adjusted according to users with different body lengths, and the massage effect is good. And when the air bag breaks down or is damaged, the air bag can be detached to be replaced with a new air bag.
Owner:XIAMEN JINBO TECH CO LTD

Consumable detection device for 3D printing extruder

The utility model discloses a consumable detection device for a 3D printing extruder. The consumable detection device comprises a printing head shell, a wire extruding channel is vertically formed in the inner side of the printing head shell in a penetrating mode, and a detection channel, an adjusting groove and a square groove are formed in the inner side of the printing head shell. The inner wall of the detection channel is fixedly connected with a first fixing shaft and a clamping block. Through an innovative mechanical conduction structure, when the consumables are inserted from the top, the balls are pushed and eject the deflector rod, so that the distance between the magnet block on the deflector rod and the Hall sensor is changed, the entry state of the consumables is detected in real time, and meanwhile, the detection accuracy is improved. The Hall sensor can accurately sense the actual diameter of the consumables according to the difference of the shifting distance of the shifting rod caused by small change of the diameters of the consumables, real-time accurate control over the extrusion flow is achieved in combination with the driving motor and the transmission gear set, and the problem that in the prior art, the extrusion amount is unstable due to uneven diameters of the consumables is solved; and the consistency of printing quality is obviously improved.
Owner:WUHU AISANDI ELECTRONICS TECH CO LTD

Message data transmission method and apparatus, network node, and storage medium

ActiveCN115696381BAccurate returnEngineeringData transmission
The application discloses a message data transmission method and device, a network node and a storage medium. The method comprises the following steps: a first network node receives a first uplink message of a first terminal; a first identity corresponding to the first network node is added to the first uplink message, so that a second uplink message is obtained; and the second uplink message is sent; wherein the first identity represents a province to which a network node corresponding to the first identity belongs.
Owner:CHINA MOBILE COMM LTD RES INST +1

Business processing method and apparatus, device, computer readable storage medium

Embodiments of the present application disclose a service processing method and device, equipment and computer readable storage medium. The service processing method in the embodiments receives a service request sent by a service requester, detects whether a service type corresponding to the service request is a domain name service type, and obtains a detection result. If the detection result indicates that the service type is the domain name service type, a domain name result corresponding to the service request is obtained from a cached domain name result, that is, the cached domain name result corresponding to the service request is directly obtained, so that the obtained domain name result is more accurate, and the service processing flow is reduced, so that the service processing process is faster. Finally, based on the obtaining condition of the domain name result corresponding to the service request, a return strategy of the domain name result corresponding to the service request is determined, and the domain name result is returned to the service requester based on the return strategy, so that the result corresponding to the service request can be quickly and accurately returned.
Owner:CHINA TELECOM CORP LTD

Multifunctional electric valve structure assembly

The utility model belongs to the field of water dispensers, and provides a multifunctional electric valve structure assembly which comprises a machine shell provided with a containing cavity. The valve element fixed ceramic chip is installed in the containing cavity, and a water through hole is formed in the valve element fixed ceramic chip; the driving module is arranged on the machine shell, a valve element movable ceramic chip is connected to the driving module, the valve element movable ceramic chip stretches into the containing cavity and movably abuts against the valve element fixed ceramic chip, and a water supply hole is formed in the valve element movable ceramic chip. Compared with the prior art, the utility model has the advantages that a driving mode of the driving motor is adopted, so that the valve core movable ceramic chip is propped against the valve core fixed ceramic chip, corrosion and abrasion of impurities in water are effectively resisted, and the service life of the valve is prolonged; and meanwhile, the overlapping area between the water supply hole and the water through hole can be adjusted under the relative rotation of the valve element and the movable ceramic chip, so that the accurate control over the water outlet amount is achieved, and the flow requirements in different scenes are met.
Owner:NINGBO YUNCHUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Drop rod seal

ActiveCN224650321URemove weakening effectsSealing pressure is stable and controllable
The utility model relates to a falling rod sealing device belongs to the technical field of industrial equipment sealing. Including falling rod frame and installing elastic support mechanism on the falling rod, and the falling rod is hung in the downside of falling rod frame through chain, elastic support mechanism includes locating block, stud, adjusting nut and spring, locating block fixed mounting is in the falling rod frame, the stud is set in the locating block through the coupling, and the adjusting nut of locating block below is sleeved on the stud, and the spring is set between adjusting nut and falling rod, and the falling rod is closely contacted with the trolley sealing plate through the elastic force provided by spring. The utility model adds the elastic support mechanism on the basis of existing falling rod, so that in addition to falling rod can rely on the self weight and trolley top surface contact, still can rely on the elastic force that elastic support mechanism adds and trolley top surface contact, ensure that the sealing is good, avoid the air leakage.
Owner:CISDI ENGINEERING CO LTD

A hidden hinge capable of individually wiping windows

The hidden hinge for individually wiping windows disclosed in the present invention comprises a hinge assembly and a lever-type drag opener assembly, the hinge assembly comprises a window frame fixed base, a window sash fixed base, a main board, a main board slider, a sub-board and a sub-board slider, the main board and the sub-board are cross-riveted, one end of the main board is riveted to the main board slider, and the other end is horizontally slidably connected to the window sash fixed base, one end of the sub-board is riveted to the sub-board slider, and the other end is riveted to the window sash fixed base, the lever-type drag opener assembly comprises an opener fixed base, a lever support sheet and a handle, the opener fixed base is installed and fixed to one end of the window frame fixed base, the two ends of the lever support sheet are respectively rotatably connected to the sub-board slider and the middle part of the handle, and one end of the handle is rotatably connected to the opener fixed base. The hidden hinge of the present invention has a scissor-type motion track, can be installed in a split form, opens smoothly after installation, returns accurately, has a good load-bearing effect, and has a long service life, which is convenient for users to individually wipe and clean the window sash.
Owner:FOSHAN WENQI METAL PRODUCTS CO LTD

A test device for simulating working conditions of the lifting hydraulic cylinder of a dump truck

The present invention discloses a simulated working condition test device for a dump truck lifting hydraulic cylinder, which belongs to the technical field of hydraulic cylinders. A fixed bottom plate and a support IV are installed on the foundation; a support I is connected to the threaded hole of the fixed bottom plate; the support I is hinged to the cylinder pin of the tested hydraulic cylinder; the rear end of the loading compartment is hinged to the support IV, and a limited block is fixed at the lower position of the rear end of the loading compartment; a support II is connected to the threaded hole at the front end of the loading compartment; the support II is hinged to the piston rod sleeve pin of the tested oil cylinder; a return guide device is fixed to the lower side of the loading compartment, and a guide countersunk hole is opened on the foundation; uniformly distributed bolts II are fixed to the loading compartment, and load blocks are selectively installed on the bolts II. The present invention adjusts the number of load blocks to match the actual load, and simulates the relevant working conditions of the lifting cylinder to the maximum extent to test its extension sequence, jamming, cylinder pulling, shaking, oil leakage, service life and other related performances, which not only eliminates safety hazards but also greatly reduces related costs.
Owner:XCMG HYDRAULICS CO LTD

Electronic part machining forming mold convenient to demold

ActiveCN224089754UAccurate returnavoid stickingPressesElectronic componentPhysics
The scheme of the utility model belongs to the field of forming molds, and particularly relates to an electronic part processing forming mold convenient to demold, which comprises a base, a mold mechanism is arranged above the base, the mold mechanism comprises a base table, a channel is arranged in the middle of the base table, a mold table is further arranged above the base table, and the mold table is arranged on the base table. A plurality of mold grooves are formed in the upper end of the mold table, an inner cavity is formed in the mold table, ejection holes are formed in the bottoms of the mold grooves, ejection rods are arranged in the ejection holes in a penetrating mode, and the same ejection plate is fixed to the lower ends of the ejection rods. Through the linkage design of the ejector rod, the ejector plate and the first air cylinder, the parts can be quickly ejected out of the mold groove after machining is completed, the demolding efficiency is remarkably improved, a spring auxiliary reset mechanism ensures accurate return of the ejector rod, clamping stagnation is avoided, the device is particularly suitable for machining electronic parts in batches, the manual part taking time is shortened, and the damage risk is reduced.
Owner:HUBEI JANGHAE IND & TRADE GRP

Caliper disc brake belt neutral position induction steering drive axle

The utility model discloses a caliper disc brake belt neutral position induction steering drive axle which comprises an axle body, a main speed reducer installed in the axle body and wheel edge speed reducers arranged on the left side and the right side of the main speed reducer. The steering oil cylinder is arranged outside the bridge body, the steering oil cylinder is composed of an oil cylinder body, a piston, an induction magnetic ring, a hose clamp and an electromagnetic sensor, and the bridge body is composed of an inner steel plate, epoxy anti-corrosion paint and water-based anti-rust paint; a transmission shaft is arranged between the main speed reducer and the wheel-side speed reducer, a planet wheel type differential mechanism system is installed in the main speed reducer, and a supporting pin shaft, a steering knuckle, a wheel-side supporting shaft, a friction plate, a brake disc and a hub are sequentially arranged outside the transmission shaft. The caliper disc braking and neutral position sensing steering drive axle is convenient to realize driving and steering, has the advantages of high bearing torque, flexible steering, accurate return, quick braking, short braking distance and the like, and is convenient to have the advantages of high bearing capacity, corrosion resistance, rust resistance and long service life.
Owner:SHANDONG LUTONG HEAVY IND MASCH CO LTD

A gear shifting test mechanism and test method for a gearbox automatic test bench

A gear shift test mechanism for an automatic gearbox test bench comprises: a drive shaft system for driving gear shift; a torque sensor (1) and an encoder are arranged on the drive shaft system. The corresponding test method comprises the following steps: fixing the tested part, respectively operating the drive shaft system and the gear shift drive system, driving the gear shift fork to rotate to the theoretical zero gear; disconnecting the gear shift drive system from the gear shift fork; docking the gear shift fork with the gear shift rocker arm of the tested part; and completing the measurement and determination of the real-time gear shift force and the actual angle of each gear position by means of the torque sensor provided in combination with the encoder provided. The gear shift test mechanism and test method for an automatic gearbox test bench of the present invention ensure that the gear shift rocker arm of the tested part can return to the correct position of each gear position during the test, while achieving simultaneous and accurate testing of the gear shift force and the gear shift angle.
Owner:SHANGHAI HUOTA HAOFU AUTOMATION TESTING TECH CO LTD

Reverse gear structure with reverse gear limiting function, gearbox and automobile

The utility model discloses a reverse gear structure with a reverse gear limiting function, a gearbox and an automobile, and belongs to the technical field of gearbox design and manufacture, the reverse gear structure comprises a reverse gear limiting sleeve, a reverse gear shifting fork shaft is sleeved with the reverse gear limiting sleeve, one end of the reverse gear shifting fork shaft is arranged on an upper cover shell, and the upper cover shell is located on one side of the reverse gear limiting sleeve. And a reverse gear shifting fork is arranged on the other side of the gear limiting sleeve on the reverse gear shifting fork shaft. When the reverse gear is removed, the reverse gear shifting fork drives the reverse gear shifting fork shaft installed on the upper cover shell to move leftwards, the reverse gear shifting fork makes contact with the reverse gear limiting sleeve arranged on the reverse gear shifting fork shaft in a sleeving mode to achieve limiting of the reverse gear shifting fork, and the problem that the transmission is over-reset when the reverse gear is removed is solved. Therefore, the problems of early abrasion of the matching surface of the reverse gear shifting fork and the reverse gear sliding sleeve and abrasion of the non-working surface of the reverse gear sliding sleeve and the shaft gear are solved, the service life of the gearbox is prolonged, and the reliability of the gearbox is improved.
Owner:BAOJI FAST GEAR

Multi-level mixed search method and device, equipment and medium

The invention relates to a multi-level mixed search method and device, equipment and a medium, and the method comprises the steps: obtaining a first hierarchical navigation chart which is used for representing the proximity relation between corresponding nodes of commodities in a plurality of online shops of an e-commerce platform, each node comprises a high-dimensional semantic vector of the corresponding commodity and an attribute scalar which indicates the attribution category of the corresponding commodity in the e-commerce platform hierarchical classification system; corresponding to each attribution category indicated by the attribute scalar, respectively constructing a second hierarchical navigation map which corresponds to each attribution category and represents a proximity relationship between corresponding nodes of the commodity corresponding to the attribution category; responding to a commodity search event, and determining a query category and a query vector corresponding to query information carried by the event; and calling the second hierarchical navigation map with the same attribution category as the query category as a target navigation map, and retrieving nodes matched with the query vector semantics from the target navigation map. According to the invention, the search efficiency and accuracy of the e-commerce platform for providing the commodity search service can be improved.
Owner:GUANGZHOU SHANGYUN NETWORK TECH CO LTD

Sampling ship putting and recycling device and control method thereof

The invention provides a sampling ship throwing and recycling device and a control method thereof. The device comprises a berthing station used for being placed in a water area to be sampled, and a plurality of containing grooves used for containing sampling ships are evenly distributed in the berthing station in the circumferential direction of the berthing station; mounting grooves communicated with the containing grooves are further formed in the positions, corresponding to the containing grooves, in the berthing station, the multiple launching elements are arranged in the corresponding mounting grooves, and the launching elements at least comprise elastic elements which are used for launching the sampling ships located in the containing grooves to the water surface of the water area to be sampled through the elastic force of the elastic elements; the plurality of driving elements are arranged at the bottom of each sampling ship; the plurality of magnetic attraction elements are arranged in the corresponding mounting grooves, and the driving element can drive the sampling ship to sail to an adjustment target point when the initial entry point of the sampling ship is not in the extension direction of the corresponding accommodating groove, so that the course of the sampling ship is adjusted to the extension direction of the corresponding accommodating groove before the sampling ship enters a magnetic force effective area; the device can realize efficient and accurate recovery of the sampling ship.
Owner:OCEAN UNIV OF CHINA

Design model-based scheduling naming adaptive configuration method and system

The invention discloses a scheduling naming adaptive configuration method and system based on a design model. The method comprises the steps that information in a physical loop description model and information in a logic loop description model are analyzed and extracted; generating a signal corresponding relation in the physical loop description model and the logic loop description model by utilizing the extracted information; updating the logic loop description model to the latest version by utilizing the extracted information and the signal corresponding relation; comparing the logic loop description model of the latest version with an original logic loop description model, and generating a logic loop description model description updating report; descriptions of intervals, devices and signals in automation systems and equipment are automatically updated according to the description update report. According to the method, interval description, device description and signal description can be quickly changed, adaptive configuration of scheduling naming is carried out, the workload of manually modifying the scheduling naming of an automatic system and equipment is reduced, and the efficiency of engineering configuration is improved.
Owner:BEIJING SIFANG JIBAO AUTOMATION +1