107 results about "Change Type" patented technology

The invention provides a prediction method for a sudden change type signal of gas dissolved in oil. The prediction method comprises the following steps: firstly, acquiring a time sequence signal of transformer gas monitoring; processing the time sequence signal according to a variational mode decomposition algorithm to obtain a plurality of mode components; according to the variational mode decomposition algorithm, the sum of confusion entropies of all mode components is used as an objective function of parameter optimization; and finally, according to a pre-established prediction model, performing prediction and superposition reconstruction on each modal component to obtain a prediction result of the abrupt change type signal of the gas dissolved in oil. According to the method, the VMD decomposition architecture optimized by the frost ice algorithm is introduced, the non-stationarity of the signal is quantified and obviously reduced through the chaos entropy index, higher prediction precision and robustness of the gas signal in the mutation type oil are realized, and the method has obvious innovativeness and superiority in the field of transformer fault trend prediction.

The invention discloses a GoldenDB database change risk management and control method and system. The method comprises the steps that change scheme data is obtained, a coding format is recognized, effective change content is extracted, the change content is disassembled into single transactions, semantic analysis is executed, and change types are classified based on keyword matching and a rule base; wherein the change types comprise data change, structure change, parameter change and permission change; generating a distributed execution plan according to the change types, analyzing the distributed execution plan, executing information in parallel, and determining data nodes and computing nodes corresponding to the four change types respectively; respectively constructing risk assessment models in the execution domains corresponding to the four change types; and converting the risk assessment result of each node into a standardized data format, aggregating and analyzing the cross-node common risk, generating a father-child tree management and control report, and executing blocking, rollback or alarm operation according to the risk level.

The invention discloses a drilling machine power head speed change structure which comprises a shell, a top plate is arranged at the top of the shell, a first speed change device is arranged on one side in the shell, a second speed change device is arranged on the other side in the shell, a speed change bin is arranged above the second speed change device, a stabilizing bin is arranged below the second speed change device, and a partition plate is arranged between the speed change bin and the stabilizing bin. A hydraulic motor is arranged in the center of the rotating sleeve, a sleeve gear is arranged on the outer side of the middle of the rotating sleeve in a surrounding mode, and hydraulic sleeves are arranged at the upper end and the lower end of the rotating sleeve. The two-stage speed change structure has the beneficial effects that torque can be superposed or reduced through relative rotation, the torque change range is enlarged, meanwhile, speed change is more uniform and reliable through cooperation of the stepless speed change type structure and the hydraulic motor, meanwhile, stability of the output torque of the motor is guaranteed, and the service life of the motor is prolonged. The drilling machine has the advantages of a motor drilling machine and a hydraulic drilling machine.

The embodiment of the invention provides a full-scene change management method and system, and the method comprises the steps: responding to an obtained change request, carrying out the analysis and recognition of the content of a change file, and determining the related change type, and the change file comprises the change operation content related to the change; for the non-field implementation change type, checking the change operation according to the change checking rule set; when the auditing result shows that the current change operation has the risk action point, recording the change operation, and outputting an alarm at the same time; for a field implementation change type, identity information of a user entering and leaving a change area is obtained through identity recognition equipment, and starting and ending time of a change event is determined based on time of entering and leaving the change area; and storing the user identity information, the change area and the change event starting and ending time.

The utility model discloses a battery module case -in gripper of automatic changeable, contain: installation frame, five compression module, five compression module set up on installation frame, five compression module are respectively Z -direction compression module, a pair of X -direction compression module and a pair of Y -direction compression module, a pair of X -direction compression module along X -direction pair of clamps and hold battery module, a pair of Y -direction compression module along Y -direction pair of clamps and hold battery module, Z -direction compression module drive battery module moves along Z -direction, change type module, change type module sets up on installation frame, and connects two sucking disc, and the output end of Z -direction compression module is clamped to sucking disc, and change type module switches two sucking disc respectively with the output end of Z -direction compression module and clamps, and sucking disc adsorbs fixed battery module. The utility model can realize the automatic switching of different sucking disc, and the subsequent compatibility is convenient, and production cost is effectively reduced, and the location precision is high to use camera and range sensor and carry out the addressing and distance measurement before case -in.

The utility model belongs to the technical field of formation and capacity grading equipment, and discloses a remodeling tool and formation and capacity grading equipment. The remodeling tool comprises a base, a first guide rail, a second guide rail, a third guide rail and a plurality of connecting rods arranged in the Y direction. The first guide rail and the third guide rail are arranged on the base in the X direction, and the second guide rail is connected to the first guide rail. One part of each connecting rod is slidably connected to the second guide rail, and the other part of each connecting rod is slidably connected to the third guide rail. The connecting rods are provided with top blocks, the top blocks can be connected to a positive electrode module, a negative electrode module or a negative pressure module of the formation and capacity grading equipment, and the distances among the positive electrode module, the negative electrode module and the negative pressure module can be adjusted under the driving of the movement of the second guide rail relative to the first guide rail and the movement of the plurality of connecting rods relative to the second guide rail and the third guide rail. The remodeling tool can adjust the spacing according to the required spacing of the battery to be tested for each probe module of the formation and capacity grading equipment to realize remodeling of the formation and capacity grading equipment, so that the adjusting range is expanded, and the remodeling efficiency is improved.

The embodiment of the invention provides a test case generation method and device, equipment and a storage medium, and belongs to the technical field of software development. The method comprises the steps of determining a logic change point of target software and a change type of the logic change point based on a first version code and a second version code of the target software; wherein the creation time of the second version code is later than the creation time of the first version code; determining a target influence range of the logic change point based on the logic change point, the code dependence graph and a change propagation model; and based on a test case generation strategy corresponding to the target influence range and the change type, determining a target test case, matched with the second version code, of the target software. The embodiment of the invention can be applied to financial and medical systems, and the reliability of the test case generation of software in related systems can be improved.

The invention provides a test code update determination method and device, a storage medium and electronic equipment. The method comprises the steps of obtaining a pre-change production code and a post-change production code of a current change code of a smart contract; according to the pre-change production code and the post-change production code, a target feature vector is determined, the target feature vector comprises a code change type feature and a code change measurement feature, and the code change type feature comprises a grammar change feature and a logic change feature of the production code; the code change measurement feature comprises a code file size change feature of the production code of the smart contract; and inputting the target feature vector into the target machine learning model to obtain a model output result which represents whether the test code corresponding to the production code before change is updated or not. According to the method, the update necessity judgment of the smart contract test code is realized through the machine learning model, and the consistency of the smart contract production code and the test code is maintained in time.

The invention relates to the technical field of machining, in particular to a composite vibration gradual change type ultrasonic sawing machine which comprises a machine body, a supporting base, a workbench, a clamping device, a positioning device, a sawtooth cutter, a control system and a cooling system. One end of the sawtooth cutter is connected with the swing mechanism, the sawtooth cutter transversely reciprocates above the lathe bed through the swing mechanism, the other end of the sawtooth cutter is connected with the transverse ultrasonic generator, and the longitudinal ultrasonic generator and the stand column are arranged in the longitudinal direction of the sawtooth cutter. One end of the stand column is connected with the sawtooth cutter, the other end of the stand column is connected with the saw frame, the side face of the saw frame is connected with the saw beam, and one end of the saw beam is hinged to the supporting base. Through the composite vibration mode and the innovative saw blade design, the hard material cutting efficiency and precision are remarkably improved, and the service life of a tool is remarkably prolonged.

The utility model belongs to the technical field of clamping mechanisms, and particularly relates to a quick-change type lathe tool clamping mechanism which comprises a bottom plate, a threaded rod is rotationally connected to the interior of the bottom plate, one end of the threaded rod penetrates through the side wall of the bottom plate and extends to the outside of the bottom plate, a hand wheel is fixed to one end of the threaded rod, and the other end of the threaded rod is provided with a clamping mechanism. Two external threads are formed in the outer side of the threaded rod, the rotating directions of the two external threads are opposite, the two ends of the outer side of the threaded rod are both in threaded connection with moving plates, the upper ends of the two moving plates extend to the upper end of the bottom plate, and clamping plates are fixed to the ends, close to each other, of the two moving plates. The movable plate drives the racks to drive the gears to conduct transmission, the double racks are matched with the limiting grooves, the cutter fixing stability is improved, meanwhile, an efficient heat dissipation structure composed of the heat conduction rods and the heat dissipation fins effectively solves the problem that the cutter works to generate heat, and the convenience and reliability of lathe cutter operation are improved.

The invention discloses a data updating method and device and a server, and the method comprises the steps: determining a change request for a change field of first data, the change request accords with a set rule and comprises a change type, and the set rule comprises the set change type and a fixed change period; mapping the change type contained in the change request into a binary code based on a preset mapping relationship between the change type and the binary code; and controlling the change field to update according to the change type, and storing the binary code in log data of the change field. According to the scheme, the log data is stored in a binary coding mode to record the historical change condition that the change field conforms to the set rule, new storage items do not need to be added and stored for the change event, only the log data corresponding to the change field is updated, and compared with a traditional scheme, the data storage amount can be greatly reduced, and the data storage efficiency is improved. The storage cost is saved.

The utility model relates to valve processing equipment technical field discloses a lathe truss double -shaft valve feeding and discharging device, including stand, the top of stand installs drive arm, the front end fixed connection of drive arm has quick -change mechanism, the outside of stand places sliding placement platform, the outside of sliding placement platform places protection institution, quick -change mechanism includes two swivelling blocks, the front end fixed connection of drive arm is at two swivelling blocks rear end, two swivelling blocks's front end all fixedly connected with fixed block, the inside slide coupling of fixed block has button, the rear end fixed connection of button has fixed link, the rear end fixed connection of fixed link has quick -release assembly, the front end installation of protection institution has auxiliary assembly, in the utility model, solve the problem that traditional change type needs tool to dismantle, shorten replacement time, realize quick replacement and adapt to various valve workpieces.

The invention relates to the technical field of levelers, and discloses a hydraulic precision leveler which comprises a servo motor fixedly mounted in a motor mounting shell, a gradual change type driving mechanism and a hydraulic rolling mechanism. The longitudinal hydraulic cylinder is fixedly installed in the gradual change type driving mechanism, and the interior of the longitudinal hydraulic cylinder is of a hollow structure. The piston plate can move downwards under the liquid pressure. The first spiral spring enables the piston plate to reset upwards. The driven roller longitudinally moves along with the piston plate and is matched with the driving roller to roll the metal sheet. According to the hydraulic precision leveler, full-process automation of feeding, rolling and discharging during metal sheet leveling can be achieved, manual pushing is not needed, the labor intensity of operators is greatly reduced, potential safety accidents caused by manual contact with a running roller body are eliminated fundamentally, and the hydraulic precision leveler is suitable for continuous large-scale production.

The utility model discloses a quick-change type drilling tool which comprises a drill rod and a tool bar handle, the drill rod and the tool bar handle are integrally formed, a blade is arranged at the end of the drill rod, a mounting groove used in cooperation with the blade is formed in the end of the drill rod, and V-shaped positioning faces are arranged on the two sides of the mounting groove. And the blade is detachably mounted in the mounting groove through a locking mechanism. The utility model relates to the technical field of drilling tools. According to the quick-change type drilling tool, through the arrangement of the locking mechanism, the blade can be conveniently and quickly disassembled and assembled and can be independently replaced, overall replacement when the drill rod is damaged is avoided, the cost is effectively saved, the blade is arranged backwards, the spiral angle is gradually reduced, the strength of the drill rod is directly improved, material improvement is not needed, and the practicability is high. And through the arrangement of the water outlet holes, the cooling and chip removal functions of the cutter can be improved.

The utility model relates to screen detection mechanism technical field discloses a kind of screen laminating alignment detection mechanisms of realizing automatic change type, including upper camera adjusting assembly, the upper camera adjusting assembly includes support, basic X direction movement module, first Y direction moving plate and second Y direction moving plate, the basic X direction movement module is set on support, bottom moving plate is equipped on the basic X direction movement module, the side of the bottom moving plate is equipped with slide rail, the other side is equipped with first Y direction movement module and second Y direction movement module respectively;The first Y direction moving plate one end is slidably connected with slide rail;A kind of screen laminating alignment detection mechanisms of realizing automatic change type provided by the utility model, after solving the product size or model is switched, need manual debugging, and the efficiency of debugging is low, and product size is larger under the condition needing camera to move multiple image acquisition, lead to the problem of low production speed and the shooting accuracy can be influenced to a certain extent by moving.

The application discloses a PCBA test tool capable of rapid change type, which comprises a lower computer, a tool frame and a needle bed module. The lower computer is internally provided with an intelligent plug-in, a backboard and a female connector of the needle bed module connector; the tool frame is provided with a needle bed module tray and a sliding guide rail; and the needle bed module is provided with a test probe, a bottom plate PCB and a male connector of the needle bed module connector. The lower computer is installed in the tool frame, the needle bed module is placed in the needle bed module tray, and the female connector of the needle bed module connector is connected with the male connector of the needle bed module connector. During testing, the PCBA to be tested is in contact with the needle bed module and is pressed tightly, and the test probe is in contact with the test point of the PCBA to be tested. The application is not connected with any cable or flying wire between the needle bed module and the lower computer, can realize drawer type plugging and unplugging, is convenient to change type and reliable in connection, and the lower computer is provided with a test signal switching matrix module, and is suitable for the differentiated needs of different PCBAs to be tested to test signal sources. The test tool can be applied to a PCBA production flow line, and realizes continuous flow of PCBA welding and testing links.

The invention discloses a quick-change type cutter handle detection main shaft, and relates to the field of machine tool part design, the quick-change type cutter handle detection main shaft comprises a rotating main shaft, the outer side of the rotating main shaft is rotatably and cooperatively provided with a shell, the left end of the rotating main shaft is fixedly provided with a rotating cylinder, and the rotating cylinder is internally in driving connection with a movable rod; a conversion groove is formed in the right end of the rotating main shaft, a receding groove position is formed between the conversion groove and the movable hole, and a conversion sleeve is detachably installed in the conversion groove. A pull rod is detachably mounted at the right end of the movable rod; the right end of the pull rod is inserted into the conversion sleeve in a clearance fit manner; the rotary air cylinder is used for driving the movable rod to move left and right, when the movable rod moves leftwards, a glass bead in a round hole in the right end of the movable rod can abut against a trapezoidal convex edge at the left end of the pull rod, the technical effect of pulling the pull rod leftwards is achieved, the right end of the pull rod is connected with the knife handle through the pull switch, and the knife handle stably abuts against the interior of the conversion sleeve for assembly; and the conversion sleeve is detachably assembled in the conversion groove, so that the conversion sleeve cannot automatically fall and be damaged after the knife handle is disassembled.

The invention discloses an incremental change method and system based on a version number, and the method comprises the steps: configuring three types of identification fields of version, state and deletion for business data, defining the value rule and business mapping relation of each field, and achieving the unified identification of the attribute, effective state and deletion state of the data version. And receiving a data change request, identifying a change type and the target data, only executing an operation on the changed data, and keeping the original information of the unchanged data. And synchronously updating the three types of fields during change, copying the target data to generate new data, keeping a historical state, and not modifying the core content of the original version. A traceable storage mode is adopted, data and field information of all iteration versions are stored, key operation information is recorded, unchanged data are not stored repeatedly, and data full-life-cycle tracing is achieved. And receiving a version query request, screening according to a screening rule, and returning a complete and effective data set of a target version. And the requirement of service iteration on the accuracy of data management is met.

The application provides a data updating method and device, wherein the method comprises the following steps: obtaining change data of target data; based on the change data, storing field updating information in an updating information field of the target data and storing data change type information in an operation type field of the target data; based on the updating information field and the operation type field, determining an updating mode of a field to be updated; based on the updating mode and the change data, updating historical data corresponding to the target data stored in a database, and performing column storage on the updated historical data. The data updating method and device provided by the application expand the fields of the target data in the Hudi architecture, are used for assisting the updating process of the change data in the target data, realize the storage of necessary information of field updating, enable the accurate updating of the fields in the Hudi architecture based on the updating information stored in the expanded fields, and improve the accuracy of data updating.

The invention provides an airborne system ICD change method and system, and relates to the field of airborne systems.The airborne system ICD change method comprises the following steps that S1, an airborne system ICD change management environment is initialized, and an interface dependency relationship model is established; s2, receiving a change request, analyzing the change request, and identifying a change type; s3, calling the interface dependency relationship model, executing change influence analysis based on the change type, and generating a change influence report; s4, performing change review and implementation based on the change influence report to obtain a change result; and S5, verifying the change result, and generating a change closed-loop report. The problems that in the ICD changing process of an existing airborne system, the flow is not standard, changing analysis is not comprehensive, different types of ICD changing lacks a targeted method, and changing system collaboration is insufficient are solved, the scientific, controllable, efficient and accurate changing method and system are provided, and the compatibility and reliability of the changed system are guaranteed.

The quick-change type water purifier filtering device comprises a filtering box, a filter is arranged in the filtering box, two sets of damping rollers are arranged on the two sides of the lower portion of the filter respectively, a water storage tank communicated with the bottom of the filter is arranged at the bottom of the filtering box, and a pincerlike frame is arranged above the filter; a clamping mechanism is arranged in the filter box, the clamping mechanism comprises a driving motor, a two-way screw rod and four groups of transmission blocks, the four groups of transmission blocks are arranged on the two sides of the two-way screw rod in a manner of opposite threaded connection in a pairwise correspondence manner, and the transmission blocks move to drive damping rollers on the two sides of the filter to move oppositely so as to carry out stress clamping on the filter; a side swing mechanism is arranged on one side of the transmission block and comprises a limiting sliding rail and a push-pull frame, the top of the push-pull frame is fixed to an output rod of an electric telescopic rod, and the electric telescopic rod is fixed into the filter box. Therefore, the replacement operation in the narrow filter box can be conveniently carried out.

The invention provides a change request implementation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a change type in response to a received service change request; determining a target evaluation rule based on the change type; performing change scoring on the change request based on the target evaluation rule to generate a rule score, performing agent scoring on the change request through a scoring model to generate a model score, and obtaining an expert score of the change request; determining a target score based on the rule score, the model score and the expert score, and performing passing verification on the change request based on the target score; and in response to verification passing, performing a change operation based on the change request. Through triple scoring of rules, models and experts, multi-dimensional risks of technology, business, time, history and the like are comprehensively covered, key hidden dangers caused by omission of a single view angle are avoided, changes with scores exceeding a threshold value are automatically rejected or forcibly upgraded and approved, high-risk operations are blocked from the source, human errors are reduced, and the change processing efficiency is greatly improved.

The present application belongs to the technical field of track safety monitoring, and more particularly relates to a track foreign matter intrusion event capturing system and method based on multi-modal. The method comprises periodically collecting image sequences of a track line; performing change detection on each pair of adjacent images in the image sequences to identify change regions; performing multi-modal feature extraction on the change regions in the images; using the image features and text features extracted by the multi-modal to determine the change type; then generating a text answer and a corresponding visual mask to further verify the change type; the event capturing module determines whether it is a foreign matter intrusion event according to the change type, and if it is a foreign matter intrusion event, triggers an alarm and records event information. The present application solves the problem that the prior art cannot accurately distinguish the change type when capturing foreign matter intrusion.

The utility model belongs to the field of profile processing, and particularly relates to a positioning device capable of reducing remodeling processing, which comprises a base, a hollow block fixedly connected to one side of the base, a sliding block slidably connected to an inner cavity of the hollow block, a positioning block fixedly connected to one side of the sliding block, and a profile arranged at the top of the base. A first hollow groove and a second hollow groove are formed in the surface of the base, and a first punching groove and a second punching groove are formed in the surface of the profile; the base and the profile are placed on the flat tongs, the profile can drive the limiting block to move into the third hollow groove, the profile can be further tightly attached to one side of the positioning block to be positioned, then the flat tongs are locked to clamp the base, and the milling cutter is used for milling the end face of the profile. And then the first punching groove and the second punching groove are positioned and punched through positioning of the first hollow groove and the second hollow groove, other bases do not need to be replaced, and therefore the machining efficiency can be improved, and the machining time can be shortened.

The utility model discloses a kind of metal pipe anti-damage elbow pipe devices of die quick-change type, comprising: pedestal, one end of which is provided with wheel mould, and the surface of wheel mould is provided with first forming pipe groove;Die module, it includes die holder, first die and nylon die head, die holder is slidably connected on pedestal, and hanging seat is provided on die holder, the back of first die is provided with the first hanging groove of shape matching hanging seat, mounting groove is provided on first die, the back of nylon die head is provided with connecting portion, connecting portion is clamped in mounting groove, connecting portion is fixedly installed on first die by bolt, and first groove body corresponding to first forming pipe groove is provided on the end face of nylon die head.The utility model compared with prior art, solve the problem of metal pipe surface damage when elbow pipe caused by die abrasion.

1. Name of the product in this design: Saw Handle (Quick Change Type). 2. Purpose of this design: This product is used as a handle for a handsaw. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a software version packaging method and device, equipment, a storage medium and a program product, and relates to the technical field of software development. The method comprises the steps of obtaining a version change description of target software; the version change description is processed, version change details are generated, the version change details comprise change types of the target software and version change contents corresponding to the change types, and the change types comprise database table change types; according to the version change content corresponding to the database table change type, a backup statement is generated, a packaging operation corresponding to the database table change type is executed, and a first packaging sub-result is obtained, and the first packaging sub-result comprises the backup statement; and generating a packaging result according to the first packaging result. According to the method, after the packaging result is deployed, the data in the target database table of the target software in the production environment can be backed up through the backup statement, and the situation that the data in the database table is lost is avoided.

The invention relates to the technical field of container turnover devices, in particular to a quick-change type container turnover device which comprises a movable frame, a turnover frame rotationally arranged in the movable frame, a controller fixedly arranged on the side wall of the turnover frame, a radial driving mechanism arranged on one side of the movable frame, an axial driving mechanism arranged at the bottom of the turnover frame and an axial rotating frame. An axial rotating frame is rotationally arranged in the overturning frame, multiple sets of arc-shaped pressing rods are rotationally arranged on the inner wall of the periphery of the top of the overturning frame, a rotating shaft is fixedly arranged at the end of each set of arc-shaped pressing rods, the side wall of the upper end of each rotating shaft is fixedly sleeved with a rotating gear, a rotating gear ring is rotationally embedded in the outer wall of the upper end of the axial rotating frame, and the multiple sets of rotating gears are meshed with the rotating gear ring. The outer wall of the upper end of the axial rotating frame is provided with an adjusting driving mechanism, the bottom wall of the inner side of the axial rotating frame is symmetrically provided with arc-shaped supports, in the using process of the quick-changing type container overturning device, quick clamping of a tank can be completed, and compared with a traditional fixed clamp, the efficiency is improved.

The invention relates to the technical field of low-code platforms, and discloses a low-code platform multi-dimensional permission integrated change method, which comprises the following steps of: obtaining real-time personnel information of an external system; comparing the real-time personnel information with pre-stored personnel information to determine difference information, wherein the difference information is split into a plurality of pieces of change information according to different user identities; determining a change type of each piece of change information; if the change type of the change information belongs to the structure change type, triggering a preset permission adjustment mechanism to modify the permission of the corresponding user identity; if the change type of the change information belongs to the state change class, a preset authority entrusting mechanism is triggered to entrust the authority corresponding to the user identity to preset associated users, and each user identity is provided with a plurality of associated users. The real-time updating of all related application permissions in the low-code platform can be automatically triggered by one-time operation (such as department transfer) in an external system, so that the delay of permission maintenance and human errors are reduced.

The utility model discloses a quick-change type waste cutter for a blanking die, which belongs to the technical field of blanking dies and comprises a lower female die cutting edge and an upper male die punch. The first positioning groove is formed in one end of the cutting edge of the lower female die, a matched positioning pin is arranged in the first positioning groove, a supporting plate is arranged on the outer side of the positioning pin, and a second positioning groove is formed in one end of the punch of the upper male die; according to the utility model, the installation position of the cutting edge of the lower female die can be effectively and accurately limited through the plurality of guide grooves arranged in the cutting edge of the lower female die, the plurality of guide rods matched with the upper end of the supporting plate, and the plurality of abutting pins in the cutting edge of the lower female die and the abutting grooves on one sides of the guide rods; compared with the prior art, the blanking die has the advantages that any position deviation phenomenon possibly occurring in the mounting process is greatly avoided, the waste cutting precision is remarkably improved, it is guaranteed that higher use precision can be kept when the waste cutter of the blanking die is rapidly replaced, and therefore the overall production efficiency and the product quality are improved.