31results about How to "Uniform output" patented technology

The burn applicator comprises a containing barrel, a pressing device, a clamping and pressing rod and an applying head, the upper end of the containing barrel is an open opening portion, the applying head is detachably installed on the opening portion of the upper end of the containing barrel, the clamping and pressing rod is connected with the pressing device and installed in the containing barrel, and the pressing device is connected with the pressing device. A movable coating roller is arranged in the coating head, a rotary connector is arranged in the middle of the coating head and movably connected with the opening portion of the containing barrel in a rotary mode, and output ointment is input from the rotary connector and coated to the movable coating roller. The ointment applicator is more convenient and practical, is simple to operate, can uniformly apply ointment on the surface of a wound, is convenient for nursing personnel to extrude, apply and apply the ointment, and is more beneficial to the rehabilitation of a patient.

The application discloses a non-uniformity correction method for a refrigeration infrared thermal imager in a wide temperature range. The wide temperature range is divided into different temperature subranges, and then imaging at different temperatures is carried out in the temperature subranges with the same integration time, so that the linearity of the images in the temperature subranges is ensured, and the images are made uniform in the temperature subranges through correction parameter modification. The application solves the problems of poor non-uniformity and poor image output quality of the refrigeration infrared thermal imager with temperature change, and has a simple correction mathematical model, less parameters and easy engineering implementation, thereby providing better support for improving the temperature resolution and image quality of the infrared thermal imager.

The utility model belongs to the technical field of aggregate preparation equipment, and particularly relates to a device for preparing aggregate by wet carbonization, which comprises a base, a nanoscale CO2 gas input mechanism and a beaker, the upper side of the base is fixedly connected with a base, and the beaker is fixedly connected to the upper side of the base. The upper side of the base is further fixedly connected with a stirrer capable of stirring the interior of the beaker, the nanoscale CO2 gas input mechanism comprises a gas cylinder, the gas cylinder is communicated with a guide pipe, one end of the guide pipe is communicated with a nanometer gas disperser located in the beaker, and the stirrer comprises a vertical support fixedly connected to the upper side of the base and located on one side of the beaker. The vertical bracket is fixedly connected with a connecting rod, the connecting rod is rotatably connected with a rotating paddle positioned in the beaker, and the connecting rod is also fixedly connected with a transmission motor. According to the utility model, CO2 can be more uniformly dispersed and output into a matrix solution through the nano gas disperser, so that the carbonization reaction is accelerated, and the strength of the artificial aggregate is improved.

A light guiding unit (10) for use in an oral cleaning device is provided. The light guiding unit is configured to be coupled to a light source (50), and the light guiding unit comprises a homogenizing component (110) having a length along which light from the light source is guided. The homogenizing component is further configured such that at least one of an amount of refraction of the guided light and an amount of internal reflection of the guided light changes along the length to homogenize an amount of light transmitted out of the homogenizing component along the length of the homogenizing component.

The cleaning liquid output device comprises a body, the body comprises a containing cavity used for mixing cleaning liquid and water, the body is provided with a liquid injection opening, a first water passing opening and a first liquid passing opening, the liquid injection opening is located in the upper end of the containing cavity, and the first water passing opening and the first liquid passing opening are both located in the lower end of the containing cavity; the aperture of the first water passing opening is smaller than that of the first liquid passing opening; the flow channel comprises a water inlet path, a first-stage flow channel, a second-stage flow channel and a liquid outlet, the first water passing opening is communicated with the water inlet path, the first-stage flow channel is provided with a first water inlet and a second water passing opening staggered with the first water inlet, the second water passing opening is used for guiding water flow into the second-stage flow channel, and the second-stage flow channel is communicated with the first liquid passing opening; therefore, the mixed liquid is introduced and mixed with the water flow again, and is output through the liquid outlet. According to the cleaning solution output device and the shower head, the cleaning solution is driven by the cleaning solution output device through power of water flow, so that the cleaning solution is effectively mixed and output.

The invention provides a yaw multi-transmission control system, method and device for a wind generating set, a terminal and a medium. The system comprises a fan controller, a fan rectification unit and k inversion units, the fan rectification unit and the k inversion units are connected with the fan controller through communication lines; the fan rectification unit is connected in parallel with the k inversion units through a bus; and the k inversion units are respectively connected with a yaw motor. According to the method, the rotating speed and torque data of a single yaw motor are obtained in the mode that one inverter controls one yaw motor, and the output condition of the whole yaw motor is controlled in the mode that the target rotating speed of the motor with too large output is reduced and the target rotating speed of the motor with too small output is increased in the whole yaw process. And the suppression of the unbalanced output of the yaw motor is realized.

The invention provides a powder feeding device and method for directional energy deposition additive manufacturing, the powder feeding device comprises a sealing box body, an upper powder pushing mechanism, a powder taking mechanism, a powder collecting box, an air inlet pipe and a powder outlet pipe, and the upper powder pushing mechanism, the powder taking mechanism and the powder collecting box are all arranged in the sealing box body; the upper powder pushing mechanism comprises a powder bin, a powder pushing plate and a first driving device, the powder bin is fixedly arranged, the upper portion of the powder bin is open, the powder pushing plate is arranged in the powder bin in a sleeved mode and connected with the first driving device, the powder taking mechanism comprises a second driving device and a roller, and the roller is arranged at the upper opening of the powder bin and densely provided with powder collecting cilia. The second driving device is connected with the roller, the powder collecting box is fixed above the powder bin, comb teeth corresponding to the powder collecting cilia are arranged on the powder collecting box, and the air inlet pipe and the powder outlet pipe are both connected with the sealing box body. According to the powder feeding device and method for directional energy deposition additive manufacturing, continuous, uniform and stable output of powder can be achieved, powder extrusion can be avoided, and the situation that the powder feeder is blocked is reduced.

The utility model relates to the technical field of feeding devices, in particular to a tea leaf uniform distribution multi-stage vibration feeding device. The tea leaf color sorting device mainly aims at solving the problems that in the infrared color sorting process, due to the fact that tea leaves are likely to be stacked together, intact tea leaves block impurities when passing through an infrared detection position, the impurities cannot be removed, and the quality of finished tea leaves is affected. According to the technical scheme, the device comprises a rack serving as a bottom support, a containing device installed at the top of the rack and used for temporarily storing tea leaves and a lifting and conveying device for conveying the tea leaves, a first vibrator is installed at the bottom of the containing device, and multiple sets of lifting plates are fixed to the outer surface of the lifting and conveying device; the tea leaf conveying device further comprises a tea leaf shifting device connected between the containing device and the lifting and conveying device. The tea leaf color sorting device can lift and disperse tea leaves in batches, so that the tea leaves are uniformly distributed on the surface of the electric conveying belt, the accuracy of the tea leaves during color sorting is conveniently improved, and the quality of finished tea leaves is ensured.

The invention discloses a device for removing cattails of camellia oleifera fruits. The device comprises a feeding port, a heating mechanism, an automatic opening and closing mechanism, a mechanical kneading mechanism, a discharging mechanism and a base. The feeding hole is formed above the heating mechanism along the height direction and is used for feeding camellia oleifera fruits to be dehulled into the heating mechanism; the heating mechanism is used for heating camellia oleifera fruits to be dehulled, and the heating mechanism is arranged above the mechanical rubbing mechanism in the height direction; the automatic opening and closing mechanism is arranged between the heating mechanism and the mechanical rubbing mechanism in the height direction and used for conveying camellia oleifera fruits to be subjected to cattail removal into the mechanical rubbing mechanism from the heating mechanism; the mechanical rubbing mechanism is arranged above the base in the height direction. The device is reasonable in structure, high in automation degree, good in cattail removing effect and suitable for large-scale processing treatment of camellia oleifera fruits.

The invention discloses a safe smokeless moxibustion device based on a hot air circulation technology. The safe smokeless moxibustion device comprises a shell, a hot air circulation system arranged in the shell, a moxa medicine bin, a smoke processing module, an intelligent control system and a power source. The hot air circulating system comprises a heater, a turbofan, a driving motor and a hot air circulating bin connected with the moxa medicine bin; the turbofan is used for driving airflow to sequentially flow through the heater, the hot air circulation bin and the wormwood medicine bin to form a hot air loop carrying active ingredients of wormwood, and the hot air loop acts on a human body from an air outlet in the top of the device; the moxa medicine bin is of a porous structure, detachably installed in the hot air circulation path and used for containing moxa. The smoke processing module is arranged on the air outlet side of the hot air loop and used for purifying smoke generated by heating the moxa. A high-speed hot air circulation technology is adopted, heat uniformly penetrates through moxa, volatile active ingredients of wormwood can be efficiently extracted and carried, and the treatment process is free of open fire, free of smoke, safe and environmentally friendly in combination with an efficient smoke treatment module.

This utility model discloses an oxygen supply mechanism for an incinerator, comprising: an annular pipe with an output head for preventing backfire disposed on its inner side; and a pressure relief assembly disposed on the outer side of the annular pipe for pressure relief. The output head includes: a head body with a vent plate fixedly connected inside, the vent plate having multiple vent holes; a cylinder fixedly connected inside the vent plate; a movable column slidably connected inside the cylinder, a first spring fixedly connected inside the movable column, the top end of the first spring fixedly connected to the inner top surface of the cylinder; and a blocking plate fixedly connected inside the main body. In this utility model, by setting up the annular pipe, oxygen can be output evenly, avoiding incomplete combustion in localized areas and increasing the risk of explosion. By setting up the output head, backfire can be prevented, thus avoiding explosion. By setting up the pressure relief assembly, pressure relief can be performed to prevent explosion.

The invention discloses a coaxial double-rotor contra-rotating torque self-balancing generator, and belongs to the technical field of generators. The invention aims to solve the problems of large load fluctuation, obvious vibration and insufficient operation stability of the input end of the traditional single-rotor generator. According to the technical scheme, through reverse rotation of coaxial double rotors, two paths of electromagnetic resistance moments form a mutually-abutting and mutually-contained mechanical equilibrium state in the structure, transmission of the resistance moments to an input shaft is reduced, the fluctuation of an input end load in a no-load and full-load power generation state is small, and the method is only used for compensating inherent loss of a system. The whole machine adopts a hybrid transmission mechanism to realize synchronous reverse rotation of double rotors and provide magnetic buffering and vibration reduction, and adopts a voltage and current comparison adjusting mechanism to realize dynamic balance of two paths of power generation output, so that two paths of electromagnetic resistance moments are always balanced and aligned, and the system stability and the operation stability are improved. The method can be used for wind power generation, hydroelectric generation, vehicle-mounted power generation and other scenes.

The utility model provides an ultrathin flexible bendable light guide plate structure, which belongs to the technical field of optical lighting equipment and comprises a bottom frame, a light-transmitting plate fixedly mounted on the inner wall of the bottom frame, a light-transmitting hole formed in the surface of the light-transmitting plate, a core component arranged on the inner wall of the light-transmitting plate and a connecting component arranged on the surface of the core component. The reflecting plate is fixedly connected to the inner wall of the bottom frame. Through the arrangement of the multi-layer composite structure, the excellent optical performance and the flexible bendable characteristic of the light guide plate in the ultrathin form are achieved, the polymethyl methacrylate core light guide layer is matched with the glass bead scattering layer, and even area light source output is achieved while the light conduction efficiency is guaranteed; due to the unique design of the flexible coating and the transparent polyimide substrate, the product has excellent bending performance and can adapt to various curved surface mounting requirements, and due to the combination of the ultrathin glass filling layer and the atomized PET film mounting layer, the structural stability is ensured, and good optical interface characteristics are maintained.

This utility model belongs to the field of reaction vessels, specifically relating to a chemical reaction vessel that facilitates material preparation. It includes a vessel body, with a support rod fixedly connected to the outer side of the vessel body. A discharge port is fixedly connected to the bottom of the vessel body, and a feed inlet is fixedly connected to the upper end of the vessel body. A drive motor is fixedly connected to the top of the vessel body, and a rotating shaft is fixedly connected to the lower end of the output end of the drive motor. This utility model utilizes a design where the motor drives a stirring rod to rotate and mix materials. Under the action of the material cylinder, materials are introduced into the vessel body through the feed inlet. The rotating motor drives a turntable and material cylinder to rotate, allowing material cylinders at different positions to be rotated above the feed inlet. Since different material cylinders store different raw materials, automatic material preparation and mixing within the vessel body can be easily achieved. The operation is convenient, and the material preparation and feeding process during stirring improves the mixing effect.

The invention belongs to the technical field of flow control, and discloses a jet flow control system for inhibiting reverse pressure gradient curved surface flow separation, which is characterized in that through an embedded multi-cavity jet structure, additive manufacturing integral forming / modular replacement and pneumatic modulation and communication control modes, on the premise that a complex mechanical reciprocating mechanism is not adopted, the reverse pressure gradient curved surface flow separation is inhibited, and the reverse pressure gradient curved surface flow separation is inhibited. And uniform output of jet flow of a nozzle, quick change of a jet angle and convenient setting of jet flow intensity and pulse parameters are realized, so that the engineering realizability of the device, the working condition switching efficiency and the repeatability of control input are improved.

The application discloses a kind of vehicle trajectory similarity calculation methods based on dynamic graph alignment and POI enhancement, comprising the following steps: trajectory is preprocessed and map matching;Adopt the adaptive grid division of curvature-density double constraint to generate multi-scale grid representation, in combination with POI distribution density and function weight injection area semantics;Road representation is learned using the graph attention network guided by transition probability and co-occurrence probability counted from trajectory data;Dynamic graph is constructed with GPS, grid, road as node, based on multi-modal correlation index dynamic calculation edge weight, cross-modal semantic alignment and fusion are realized through graph attention network;Finally, the model is optimized through the joint loss function of fusion local structure preservation, global contrast learning and modal regularization, and the trajectory similarity is output;The application improves the geometric fidelity, semantic richness, robustness to noise and adaptability of multi-modal fusion of trajectory representation, significantly improves the accuracy of trajectory similarity calculation.

The utility model relates to the technical field of quantitative adding devices, in particular to a quantitative adding device for master batch processing, which comprises a structural support frame, a mixing tank body, an internal multiple stirring component, a charging hole, an L-shaped connecting discharging pipe and a discharging speed adjusting component, a material mixing tank body is mounted at the side end part of the structure supporting frame; an internal multiple stirring assembly is arranged in the mixing tank body; a feeding hole is formed in the upper end part of the mixing tank body; an L-shaped connecting discharge pipe is arranged at the lower end part of the mixing tank body; a discharging speed adjusting assembly is arranged in the L-shaped connecting discharging pipe. According to the master batch stirring device, master batches can be effectively scattered and prevented from being gathered by arranging multiple internal stirring assemblies, so that the master batches can be dispersed in a larger range, the uniformity and stability of the master batches are improved, the situation that subsequent processing is incomplete due to master batch particle aggregation is avoided, meanwhile, the master batches and other additives can be fully mixed and stirred, and the production efficiency is improved. And various components can be uniformly distributed.

This application relates to the technical field of coated sand recycling equipment, and discloses a coated sand recycling and regeneration device, including a frame and a screen cylinder. Two drive shafts are rotatably mounted on the top of the frame, and drive wheels are fixedly sleeved near both ends of each drive shaft. The screen cylinder is inclined, and a drive wheel is fixedly sleeved at one end of each drive shaft. A connecting seat is provided on one side of the frame, and a fixed seat is fixedly connected to the other side of the frame. A drive shaft is rotatably mounted between the connecting seat and the fixed seat. This invention uses the rotation of the screen cylinder to drive the material-carrying mechanism to rotate. In conjunction with a projectile plate rotating in the same direction at a faster angular velocity, when the screen cylinder rotates upwards, the material-carrying plate, which rotates from the bottom to the inclined position and then to the top, can carry a portion of the coated sand. This allows some of the coated sand to slide down the plate surface onto the rotation trajectory of the projectile plate. The projectile plate rotates at high speed, striking and throwing the falling coated sand, breaking up any agglomerated particles in the coated sand.

The invention discloses a duplex-winding brushless direct current motor and a cooperative redundancy control method thereof. The duplex-winding brushless direct current motor comprises a control module, a driving module, an execution module and a feedback module, the control module is responsible for receiving a bus position instruction, receiving an actuator position signal, a Hall position signal and a current signal fed back by the feedback module in real time, and outputting a motor driving signal; the driving module receives the motor driving signal output by the control module, converts the motor driving signal into a voltage signal through a driving circuit, and applies control voltage to two sets of three-phase windings of the direct current motor; the execution module comprises a motor, and the motor comprises two sets of three-phase windings; the execution module receives a control voltage signal output by the driving module, outputs a current signal through a three-phase winding, drives a motor to rotate, and realizes the action of an actuator; the feedback module collects three-phase current signals, Hall position signals and actuator position information of the two sets of three-phase windings, and feeds all collected data back to the control module for closed-loop control.

The utility model relates to crack repair technical field, concretely is a kind of concrete dam crack repair epoxy mortar construction device: including dam body, the surface of dam body is provided with operation frame, the surface of operation frame is provided with fixed mechanism, the fixed mechanism includes support pipe, the support pipe fixedly connected on the surface of operation frame, the bottom of support pipe is fixedly connected with vacuum chuck. The utility model is attached to the surface of dam body by the vacuum chuck of fixed mechanism adsorption, and operation frame is supported, and the extrusion plate of injection mechanism exports epoxy glue in raw material box inside on the cement mortar on dam crack through material outlet, and raw material box is slid in operation frame, so that material outlet can evenly export epoxy mortar along crack, and the trowelling plate of raw material box side is flattened by epoxy mortar on the surface of dam, guarantee the construction efficiency of epoxy mortar, guarantee the construction quality of epoxy mortar.

The application discloses a motion table, relates to the technical field of mechanical electronics, and aims to solve the problem of imbalance of the motion table. The motion table comprises a base, a balancing mass assembly, a moving block and a measurement and control assembly. The moving block is located on the balancing mass assembly, the balancing mass assembly is located on the base, the measurement and control assembly comprises a measurement unit and a control unit. The measurement unit is arranged on one side of the base facing the balancing mass assembly, and the control unit is arranged on one side of the balancing mass assembly facing the base. When the moving block moves on the balancing mass assembly, the balancing mass assembly moves relative to the base along with the movement of the moving block to keep the center of mass of the balancing mass assembly balanced. The measurement unit measures the displacement information of the balancing mass assembly relative to the base, and the control unit adjusts the movement of the balancing mass assembly relative to the base according to the displacement information to maintain the balance of the motion table, so that the motion table can work stably.

The utility model discloses forestry ecological restoration fertilization equipment which comprises a fertilizer box, a fertilization assembly, a spraying assembly and a base, the fertilizer applying assembly comprises a rotating seat arranged on the side surface of the fertilizer box, a fertilizer applying pipe rotationally connected with the rotating seat and a connecting pipe for connecting the fertilizer applying pipe and the fertilizer box, and a plurality of openings are uniformly formed in the lower end surface of the fertilizer applying pipe in the length direction; the fertilizer pump is suitable for pumping a fertilizer in the fertilizer box into the fertilizer applying pipe through the connecting pipe, the spraying assembly is installed in the fertilizer applying pipe, and the spraying assembly comprises a spraying pipe, a sealing seat, a guiding seat, a guiding rod, a first elastic part and a sealing part. The non-uniform amount of the fertilizer sprayed from the head end and the tail end of the fertilizing pipe is avoided.

The utility model discloses a direct-current power supply current sharing device based on an FPGA (Field Programmable Gate Array). The first direct-current power supply and the second direct-current power supply output in parallel; the at least two current detection units are respectively used for detecting the output current of the two direct current power supplies, the outputs of the two current detection units are connected with the input end of the A / D conversion unit through the multi-way switch, and the output end of the A / D conversion unit is connected with the input end of the FPGA; the first direct-current power supply and the second direct-current power supply are switching power supplies, switching tubes of the switching power supplies are controlled by the FPGA, and the FPGA controls the duty ratio of the switching tubes through PWM signals output by the FPGA, so that the output of the first direct-current power supply and the output of the second direct-current power supply are adjusted respectively, and the output current of the first direct-current power supply and the output current of the second direct-current power supply conform to the preset current-sharing degree. According to the utility model, current sharing during parallel power supply of the direct-current power supplies can be realized, so that the direct-current power supplies are in a reasonable output range, and the purpose of output equalization is achieved.

The utility model relates to the field of spreading devices, in particular to a spreading device for traditional Chinese medicine ointment production. The spreading device aims at solving the technical problems that in the prior art, spreading is not uniform enough, and liquid ointment is prone to cooling and layering precipitation. A spreading device for traditional Chinese medicine ointment production comprises an operation table, a transmission belt, a traditional Chinese medicine ointment raw material mixing assembly and a spreading assembly. Traditional Chinese ointment raw materials are doubly heated and stirred through the traditional Chinese ointment raw material mixing assembly, so that the traditional Chinese ointment raw materials are in a state of good flowability and uniform mixing, and the spreading assembly is adjusted to ascend or descend, so that the requirements of different thicknesses of traditional Chinese ointment mud flats can be met; the traditional Chinese ointment raw material mixing assembly is used in cooperation with the transmission belt, the automation degree of traditional Chinese ointment production is greatly improved, continuous production of the traditional Chinese ointment spreading process is achieved, and the traditional Chinese ointment is filtered, concentrated and recycled through the recycling assembly and then conveyed upwards into the traditional Chinese ointment raw material mixing assembly to be recycled and reused.

The utility model provides a kind of coal mine drilling machine disc brake, comprising: brake spindle;Round slip, the round slip is set to the outside of brake spindle;Pressing plate, the pressing plate is set to the outside of round slip;Brake piston, the brake piston is set to the outside of pressing plate.The utility model provides a kind of coal mine drilling machine disc brake, by adopting four groups of round slip structure of symmetrical arrangement, cooperate hydraulic drive mode, the uniform output of braking torque is realized, effectively solve the problem of traditional axle-holding type brake braking torque deficiency, uneven stress, hydraulic drive mechanism lets brake and loosening action switch quickly, response is more sensitive, can accurately adapt to the diversification needs of frequent start-stop, angle adjustment etc. in complex operation in coal mine, meet the stringent requirements of different coal seam geological conditions to the positioning accuracy and operating stability of drilling machine.

The utility model provides a storage device for superoxide dismutase powder. The storage device comprises a fixing frame, a storage box, a discharging lead screw, a driving motor and a discharging piece. The storage box is connected to the fixing frame and used for storing the superoxide dismutase powder, and the discharging lead screw is rotationally connected to the bottom of the storage box; the driving motor is connected to the fixing frame and used for driving the discharging lead screw to rotate. The discharging part is connected to the material storage box, the feeding end of the discharging part is communicated with a discharging port of the material storage box, the discharging part is provided with a discharging port communicated with the feeding end, the discharging lead screw is partially contained in the discharging part, the driving motor is a servo motor, the driving motor drives the discharging lead screw to rotate at a constant speed, and the discharging lead screw is driven by the servo motor to rotate at a constant speed. Therefore, the superoxide dismutase powder in the storage box is uniformly output.

This utility model relates to a parallel dual-chamber coordinated gas pressure regulator, including an inlet pipe assembly for inputting gas and an outlet pipe assembly for outputting gas. The inlet pipe assembly is connected to the outlet pipe assembly via a dual-chamber valve body. The dual-chamber valve body includes two symmetrically arranged valve shells, a deformable module capable of separating the cavities of the valve shells, and a linkage mechanism that simultaneously inserts into both valve shells and connects to the deformable diaphragm assembly within the valve shells. The end of the deformable module furthest from the linkage mechanism is also connected via a transmission rod to an intake regulating valve embedded in the intake port of the valve shell. This utility model improves the stability of the gas output from the combined pressure regulating chamber structure by constructing two parallelly arranged and alternately inlet regulating chambers.

This invention discloses a drying device suitable for the synthesis of AMPS copolymer water-reducing dispersant, comprising: a drying chamber, a hot air duct connector, an atomizer, and a powder collection system. The drying chamber has an inlet and an outlet. The outlet end of the atomizer and the hot air duct connector are connected to the inlet of the drying chamber, and the powder collection system is connected to the outlet of the drying chamber. The hot air duct connector is coaxially arranged with the atomizer, and at least one guide plate is provided at the connection point of the hot air duct connector. The guide plate is a flat plate or an arc-shaped structure, and its installation angle relative to the axis of the hot air duct connector is 30° to 60°. The bottom of the drying chamber is connected to the powder collection system. The drying chamber has a conical structure with a cone angle of 15° to 30°. In this invention, the airflow distribution is optimized through the coaxial hot air duct connector and the guide plate, and the conical drying chamber improves material flow efficiency, enhances drying uniformity, and improves powder collection efficiency.

The application discloses an intelligent prediction method and system for the relationship between skull base meningioma and adjacent blood vessels, and relates to the technical field of intelligent auxiliary diagnosis. The method comprises the following steps: acquiring magnetic resonance multi-sequence images of the same subject, performing three-linear interpolation resampling, bias field correction, rigid registration and contrast normalization to obtain preprocessed images; adopting threshold segmentation combined with semi-automatic delineation to generate a three-dimensional binary mask, and labeling intratumoral cystic necrosis area, peritumoral edema area and tumor parenchymal enhancement area to construct a tumor peripheral structure mask; extracting clinical radiological sign features, tumor quantitative indexes and spatial image features to form a joint feature set, performing correlation analysis and least absolute shrinkage and selection operator regression to screen core fusion features; constructing a blood vessel relationship three-classification training set, adjusting the category proportion, inputting the classification model and outputting a separate type, adhesion type or wrapping type label and feature contribution explanation, and using the same for preoperative risk assessment and surgical planning support.

The utility model belongs to the technical field of repairing equipment, and discloses expansion joint repairing equipment for road bridge construction, which comprises a shell, an extrusion mechanism is arranged in the shell, a positioning mechanism is arranged at the lower end of the shell, a bridge body is arranged on the outer side of the positioning mechanism, a pre-buried layer is arranged on the inner side of the bridge body, and the pre-buried layer is arranged on the outer side of the shell. The upper surface of the pre-buried layer is attached to the positioning mechanism, the extrusion mechanism comprises a push rod, the upper end of the push rod penetrates through the upper inner wall of the shell, a handle is fixedly arranged at the upper end of the push rod, and a push plate is fixedly arranged at the lower end of the push rod. The slurry storage cavity is in sliding fit with the push plate to ensure uniform output of slurry, meanwhile, the observation opening facilitates monitoring of the grouting state, the operation accuracy is improved, stable fit of the equipment and the bridge body is achieved through the positioning mechanism, slurry leakage is prevented through combination of a sealing cover and a sealing gasket, and the repairing quality is improved.