23results about How to "Reduce fit" patented technology

The invention discloses a training data balance processing method and device, equipment, a medium and a product. The invention relates to the technical field of data processing. The method comprises the following steps: when a user in a user set is associated with an object in an object set, generating associated data according to the associated user and object, and adding the associated data into an associated data set; acquiring other users of the same category as the target user corresponding to the to-be-supplemented data of the associated data set; obtaining a target object associated with the target user in the associated data set; according to each target object, determining candidate objects of the target user in other objects associated with the other users in the associated data set; and generating associated data according to the target user and each candidate object, and adding the associated data into the associated data set. The embodiment of the invention can balance the training data of the model.

The application discloses a sand ice machine, and relates to the technical field of refrigeration equipment, wherein the sand ice machine comprises a base and a material cylinder, one side of the base is provided with a mounting portion, the material cylinder is provided with an opening on one side, and the opening is detachably mounted on the mounting portion; an evaporator is arranged in the material cylinder; the evaporator comprises an inner cylinder and an outer cylinder which are nested, and a first end cover arranged at one end of the outer cylinder which faces the base; the first end cover comprises an annular sealing portion and an extension portion arranged on the outer periphery of the annular sealing portion; the extension portion is protruded on the side of the outer cylinder; the annular sealing portion is connected with the inner cylinder and the outer cylinder respectively; the extension portion is arranged on one side of the mounting portion which faces the material cylinder, and is mounted on the mounting portion. The technical scheme can improve the manufacturing efficiency of the sand ice machine and facilitate user cleaning.

The utility model discloses a hand -held formula's magnetothermal electron pulse physiotherapy instrument belongs to physiotherapy instrument technical field, including upper frame, middle frame, bottom frame and base, the periphery both sides symmetry of upper frame are fixed with handle frame, the handle frame is wrapped with handle rubber, be provided with the control knob of rotation installation with upper frame between handle frame, the bottom surface of bottom frame is provided with physiotherapy mechanism, through design a kind of integrated physiotherapy mechanism, two groups of electrode disc outside are connected into circuit board through electrode column and realize pulse physiotherapy, the center of inner bottom is fixed with permanent magnetic paste and realizes magnetotherapy, the periphery of permanent magnetic paste is wound with heating coil and realizes heat therapy, three kinds of physiotherapy components are unified package, unified access PCB control board control, is controlled by the external single control knob adjustment, integration into a whole, reduce various wire harness and accessory cooperation, more adapt to with whole body meridian do whole body movement and treat, patients can self -help operation and use.

The utility model provides an intelligent temperature-adjusting multi-scene protective wrist guard which comprises a wrist guard body, a contraction cloth bag is arranged on one side of the wrist guard body, a cavity is formed in the contraction cloth bag, an air bag is arranged in the cavity, a spacing layer is arranged in the cavity, a heating wire is wound in the wrist guard body, and the heating wire extends to the cavity to be isolated from the air bag through the spacing layer. A child wrist is arranged at one end of the wrister body, a mother wrist is arranged at the other end of the wrister body, a functional area is arranged on the outer side of the mother wrist, a storage table is arranged at one end of the functional area, a controller used for adjusting the temperature of a heating wire is detachably arranged on the storage table, when the wrister is tightly attached to the wrist of a user, the air bag is inflated, and the air bag provides powerful support for the wrist; the muscles are heated, so that the pressure of the muscles in the movement process is relieved, and a better protection effect is achieved.

The application belongs to the technical field of steam turbine rotor processing, in particular to a drill jig for steam turbine rotor steam balance hole processing, which comprises a drill jig body, a bushing, a quick-change drill sleeve, a cylindrical pin and a set screw; the drill jig body is provided with a rectangular groove in the thickness direction; both sides of the bottom of the drill jig body are provided with through holes; the bushing is fixedly connected to the inside of one side of the through hole; the inside of the bushing is provided with the quick-change drill sleeve. The drill jig body with a "door" type structure is matched with the rectangular groove, which can quickly realize the preliminary positioning of the drill jig at the edge of the impeller, the radially limiting of the outer circle of the impeller is matched with the symmetrical distribution of the cylindrical pin, the center of the quick-change drill sleeve is accurately aligned with the positioning line, and the hole position deviation problem caused by the positioning deviation in the traditional processing is avoided; at the same time, the set screw at the bottom is stably pressed against the surface of the impeller spoke through the threaded connection, so that the drill jig can remain stable during the drilling process and prevent displacement caused by vibration.

This utility model relates to the field of backpack technology, specifically a backpack with a novel cushioned shoulder strap, which solves the technical problem of poor cushioning effect of traditional backpack shoulder straps. It includes a backpack body with shoulder straps connected to it. A cushioning strap is installed on the shoulder strap, and the cushioning strap has a hollow filling cavity inside. The outer surface of the cushioning strap has protrusions. When the backpack is being carried, the cushioning strap on the shoulder strap provides cushioning between itself and the user's shoulder. The cushioning strap is foldable, with a fold in the middle. The portion of the cushioning strap above the fold is a connecting part, which is fixedly connected to the shoulder strap. The portion of the cushioning strap below the fold is a free part. The cushioning strap can be folded at the fold position, with the free part folded inwards and upwards. The free part overlaps with the connecting part, forming a double-layer structure to increase the thickness of the cushioning strap and improve its cushioning capacity.

The invention discloses a method and a system for protecting portrait feature data of multilayer space mapping, which are used for scenes such as user portraits / article portraits and the like. According to the method, a three-layer mapping architecture of a scalar input layer (S)-a middle random layer (R)-a target output layer (C) is adopted, and multi-stage irreversible transformation processing is carried out on original scalar data. The method comprises the following steps: firstly, mapping a scalar into an intermediate vector by utilizing a one-way function of cryptography security and combining a secret key and an offset; secondly, distance features of the intermediate vector are extracted, direction features are discarded, and the distance features are converted into two-dimensional space coordinates through a deterministic mapping algorithm; according to the method, the irreversibility of reversely deducing the scalar quantity from the coordinates is ensured by erasing the angle information of the middle layer; the space isolation in different business scenes is realized by introducing the offset; according to the method, a deterministic rejection sampling algorithm based on HMAC is preferably adopted, the problem of center aggregation existing in a traditional mapping method is solved, uniform distribution of coordinates in a set area is achieved, sensitive feature value scalar quantities of all dimensions in portrait feature vectors are mapped into two-dimensional coordinate points, and the two-dimensional coordinate points are aggregated to form an object portrait feature matrix; the method is used for cross-system analysis, clustering, similar retrieval and visual display, and meanwhile plaintext feature value leakage can be avoided.

This invention discloses a water stability testing system and method for granite crushed stone asphalt concrete, relating to the field of water stability testing technology. The granite crushed stone asphalt concrete water stability testing system includes a molding module, a negative pressure immersion module, and a pressure application module. The molding module includes a molding mold; the negative pressure immersion module includes a housing, a negative pressure air pump, and a water storage tank. A first bottom mold can selectively be fitted and connected to a second bottom mold or the water storage tank, respectively used for molding or wetting the test sample. In this invention, demolding of the circumferential surface of the test sample is no longer performed in the early stage; instead, the sealing state between the test sample and the side mold is maintained until the negative pressure immersion process. On the one hand, it eliminates the need to rebuild the sealing structure for the circumferential surface of the test sample, reducing operational steps and improving operational efficiency. On the other hand, the reduced adhesion between the wetted test sample and the side mold reduces the difficulty of subsequent mold opening.

The invention discloses an LCD glass pasting device which comprises a rack, a supporting mechanism and a pressing mechanism, the supporting mechanism is arranged on the rack, and the supporting mechanism is used for bearing a polaroid and a glass sheet; the pressing mechanism comprises a support, a lifting assembly, a plurality of pressing heads and an adjusting assembly, the support is slidably connected to the rack in the height direction of the rack, the fixed end of the lifting assembly is connected to the rack, the movable end of the lifting assembly is connected to the support, the pressing heads are arranged on the support, and the fixed end of the adjusting assembly is connected to the support. The beneficial effects of the invention are that through the design of the plurality of pressure heads and the independent adjusting assembly, the pressure in the binding surface can be regulated and controlled in a partitioned manner, the scratch of the glass sheet and the damage of the polaroid caused by overlarge local pressure are reduced, the quality of the polaroid is improved, and the quality of the polaroid is improved. And the possibility of fitting gaps and bubbles caused by too small local pressure is reduced.

This utility model belongs to the field of trolley technology, and specifically relates to a trolley that facilitates straight-line travel. It includes a balance scooter and a trolley body, connected by a connecting frame. The connecting frame is detachably connected to the trolley body and rotatably connected to the balance scooter. The balance scooter has a positioning groove, and the connecting frame has a positioning element and an elastic element. The elastic element drives the positioning element to engage with the positioning groove, fixing the balance scooter and the connecting frame relatively, thus allowing the trolley to maintain straight-line travel or maintain a certain angle of rotation. Under external force, the positioning element can move relative to the positioning groove, allowing the balance scooter and the connecting frame to rotate relative to each other, thus enabling the trolley to turn flexibly. The purpose of this utility model is to provide a user-friendly trolley that facilitates straight-line travel.

The utility model discloses a kind of garbage bags, garbage bag includes bag body, bag body both sides side edge is equipped with cutout line, cutout line gradually extends towards center from top to bottom along the side edge of bag body, so that bag body presents inverted trapezoidal structure.The application is designed by special cutout line, so that the bag body filled with garbage forms stable inverted trapezoidal structure, substantially reduces the adhesion with long barrel garbage can inner wall, solves the problem that traditional garbage bag is difficult to take out, overall structure is reasonable and easy to produce, applicable to long barrel garbage can scene, with higher practical value and popularization significance.

The utility model relates to the technical field of dies, and discloses a bearing cover plate high-precision punch forming die which comprises a base, the bottom of the base is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a pneumatic cylinder, the driving end of the pneumatic cylinder is fixedly connected with a second sliding plate, the inner wall of the connecting plate is provided with a plurality of sliding grooves, and the sliding grooves are fixedly connected with the second sliding plate. A plurality of linkage plates are rotatably connected to the two sides of the second sliding plate, rolling wheels are slidably connected to the two sides of the linkage plates, a first sliding plate is slidably connected to the outer portion of one rolling wheel, a third supporting column is fixedly connected to the top of the first sliding plate, and a second top plate is fixedly connected to the other end of the third supporting column; a plurality of auxiliary columns are fixedly connected to the top of the base. According to the utility model, during first ejection, the first ejection plate is driven by the second sliding plate to reduce the fitting degree of the first ejection plate and the template, and then the second ejection plate is driven by the first sliding plate to carry out second ejection, so that a stamping part can be stably and completely pushed out to facilitate the development of subsequent processes.

This invention discloses an automatic positioning and identification system and method for tunnel segment stacking, including a human-computer interaction system, an information processing module, a database, a three-dimensional coordinate system, a pressure sensor, a handheld PDA, a card-type UHF chip, a split-type UHF reader / writer, a warning device, a guidance device, and a display device. This invention has low environmental requirements, requires minimal operator intervention, and the system can automatically position and identify segments. It uses an UHF reader / writer on a fixture to automatically identify the card-type UHF chip on the segment, and then uses the pressure sensor to calculate the dynamic storage and retrieval status of the segment in the three-dimensional coordinate system. It can obtain the precise location of segments within a unit stacking yard by inputting the segment number and type; it has statistical functions, such as information on the quantity, specifications, and type of segments in the stacking yard; it has report generation functions, capable of generating daily, monthly, and annual reports; it has historical data query capabilities, such as segment delivery time and quantity information; and it can provide basic data for platform use.

This invention discloses a push-pull transmission structure for a direct-acting three-position switch. Each phase's moving contact is connected to a chain assembly driven by sprockets. The three-phase sprockets move synchronously along a common drive shaft mounted on a bearing seat. A bevel gear set drives the drive shaft, enabling the sprockets to rotate in both directions. This push-pull mechanism moves the moving contact between the closing contact, isolating contact, and grounding contact, achieving the three-position state of the switch. This invention utilizes a rigid chain push-pull structure to achieve the three-position switching of the switch. The sprockets driving the chain can complete the three-position switching of the contacts within a single turn. The mechanism can be designed simply, reducing costs and increasing efficiency. Furthermore, it facilitates the use of ceramic materials to quickly conduct heat from the moving contact to the switch housing, significantly improving the switch's heat dissipation efficiency.

This utility model discloses an integrated cooling insert, belonging to the field of inserts, comprising an insert body and a flow guide. The insert body has an open-ended receiving cavity, a first water passage hole, and a second water passage hole. The flow guide includes a flow guide tube and a plug connected together. The plug is detachably connected to the open end of the receiving cavity. The flow guide tube is located within the receiving cavity and has a flow channel. The flow guide tube has a first flow guide hole and a second flow guide hole, and an annular protrusion located between the first and second water passage holes. In this embodiment, the overall number of parts is reduced, minimizing the fit of the insert connecting parts. The connections between the parts in the insert are less prone to loosening and leakage, resulting in a stable insert connection. This improves the continuous production efficiency of the mold and reduces production costs.

The invention provides a mask plate assembly, comprising: a mask plate having an evaporation surface and a non-evaporation surface arranged back to back, the evaporation surface being used for facing a substrate to be evaporated, the mask plate comprising a plurality of pixel openings and a non-opening part; the supporting framework is arranged on one side of the non-evaporation surface of the mask plate and is configured to be used for assisting the mask plate to be attached to the substrate to be evaporated under the action of magnetic adsorption force in the evaporation process; wherein the supporting framework comprises a plurality of hollowed-out parts and framework parts located between the hollowed-out parts, each hollowed-out part corresponds to N pixel openings in the mask plate, the framework parts correspond to and support the non-opening parts, and N is a positive integer larger than or equal to 2. The mask plate assembly provided by the invention can improve the defects of evaporation shadow and the like.

The utility model discloses a kind of quick-freezing fresh-keeping treatment devices of yellow skin, including rack, precooling mechanism and drying mechanism, the rack inside fixed installation has belt conveyor, the rack one side upper wall fixed installation has heat preservation cover, the heat preservation cover outer wall is fixedly installed with control panel by bolt, the precooling mechanism is set to rack left side, the drying mechanism is set to rack left side upper end, by setting precooling mechanism to yellow skin is pre-cooled, and then reduce the time required for yellow skin quick-freezing, by setting drying mechanism to the yellow skin after pre-cooling is dried, prevent multiple yellow skin from being adhered together in quick-freezing process, by setting quick-freezing mechanism to the yellow skin after pre-treatment is quick-frozen, quick-freezing mechanism is by blowing up yellow skin to make it contact with liquid nitrogen and then quick-freezing yellow skin, on one hand, yellow skin is blown up, yellow skin is in dispersed state, the surface of each fruit can be directly exposed in liquid nitrogen gas, increase heat transfer area, improve quick-freezing efficiency.

The invention relates to the technical field of drug performance prediction, in particular to a drug performance prediction method and system based on a neural network, and the method comprises the steps: obtaining an SMILES character string of a drug molecule, converting the SMILES character string into a molecular graph, carrying out the feature coding of atomic nodes and chemical bond edges, and obtaining the features of the molecular graph; adopting a BRICS substructure decomposition method to obtain local subgraph features; a drug performance prediction model is constructed, the model comprises a local feature extraction branch, a global feature extraction branch, a feature fusion unit and an integrated prediction unit, local feature vectors and global feature vectors of molecules are extracted respectively, and prediction results are output after fusion; training the model by adopting a staged training strategy, and performing calibration processing based on the calibration set after training is completed; and inputting to-be-tested drug molecules into the model to obtain a drug performance prediction result. The method effectively captures the local and global structure information of molecules, and improves the accuracy and reliability of drug performance prediction.

The utility model relates to the technical field of slag slurry pump maintenance, specifically is a horizontal slag slurry pump guard board auxiliary installation instrument, L shape hanging board, hanger plate, hanger hole, hanging groove and anti -drop boss, through the selection of different hanger hole, make the hook position of electric hoist and the hanging position of guard board alignment, guarantee the accuracy of installation position, through the anti -drop boss of setting, when L shape hanging board hoists guard board, guard board is stuck in the hanging groove, because the weight of guard board, make the inner wall of guard board through groove will stick to the inner wall of hanging groove, utilize the block of anti -drop boss, effectively avoid the situation that guard board falls off, utilize electric hoist and hoist hanger plate and L shape hanging board, and then hoist guard board, thereby conveniently install and dismount guard board, effectively reduced the cooperation of staff, improved installation efficiency, and reduced the use of screwdriver and crowbar, improved the safety of installation, simultaneously, conveniently carry out screw hole alignment, install in place etc.

This application relates to a trailer connector, comprising: a connecting body having a spherical chamber; a locking assembly including a locking rod, a connector, a handle rotatably connected to the top of the locking rod, a retaining block, and a retaining buckle, the retaining buckle including a force-applying part, a retaining part, and a torsion spring; the locking rod has a first state and a second state, the force-applying part is compressed by an external force to the torsion spring, the retaining window disengages from the retaining block, and the locking rod switches from the first state to the second state; when the external force on the force-applying part is removed, the torsion spring retains the retaining window and the retaining block, and the locking rod switches from the second state to the first state; the handle has a flat state and a raised state, when in the flat state, the handle is lower than or flush with the connector in the height direction, thereby reducing the overall height of the connector and effectively reducing the space occupied by the connector; on the other hand, the operator can hold the handle while using their thumb to press the force-applying part of the retaining buckle, so that the operator can unlock or lock the trailer ball with one hand.

The invention relates to the technical field of intelligent auxiliary training of football sports, in particular to an intelligent auxiliary training method of football sports, which comprises the following steps of: acquiring match schedule information, and identifying a key standby period according to the match schedule information, the key standby period is a time period triggered according to competition importance and competition schedule information; in response to the key standby period, adjusting an optimization target of training plan making and resource allocation; according to the adjusted optimization target and a preset team tactical training requirement, distributing and locking training resources required by team tactical training; for individual training plans conflicting with the training resources, the individual training plans are adjusted, and measures are provided to maintain the physiological state of the player. According to the invention, the overall competitive level of the team is improved.

The application discloses a contact assembly and a contactor, and relates to the technical field of contactors, which comprises a contact support and a contact bridge. The contact support is provided with a mounting hole, the bottom wall of the mounting hole is provided with a convex rib, the convex rib extends along the axial direction of the mounting hole, and a parting line in the mounting hole extends along the circumferential direction. The contact bridge is movably arranged in the mounting hole, and the side of the contact bridge facing the bottom wall is provided with a avoiding groove. The side of the contact bridge facing the bottom wall abuts against the convex rib, and the avoiding groove corresponds to the parting line on the convex rib. The contact assembly and the contactor provided by the application can effectively reduce the influence of the parting line burr on the contact support on the movement and adhesion of the contact bridge on the contact support, and improve the reliability of the contactor.

This invention discloses a medical image segmentation method based on multi-expert perceptual reward and group relative policy optimization, aiming to solve the technical pain points of expert annotation discrepancies, low edge localization accuracy, and high memory consumption of traditional reinforcement learning in lung nodule CT image segmentation. This method first constructs an uncertainty-aware field map based on multiple expert-annotated masks, and integrates the MedSAM2 model into the Seg-R1 reinforcement learning framework as the policy network. The GRPO algorithm is used for parallel sampling to generate candidate segmentation variant groups. The relative reward within each group is calculated through a composite reward function that couples weighted Dice and boundary penalties, and parameter updates are completed using a policy pruning mechanism. Finally, an accurate lesion segmentation mask is output. This invention does not require an independent value network, has stronger hardware adaptability, and experimentally measured Dice coefficients reach 0.8318, with HD95 reduced to 3.84 pixels, effectively suppressing false positives and improving edge segmentation accuracy, providing an efficient solution for accurate clinical segmentation of lung nodules.