61results about How to "Ensure flexibility" patented technology

The invention provides a control method and system of a double-arm clothes folding robot, and relates to the technical field of robot control, and the control method constructs a perceived control closed loop by fusing visual, force and tactile multi-modal data. The touch sense and the force sense make up the blind area of the vision in the self-shielding scene, and grabbing, sliding and pleating perception is improved. Based on clothing joint characterization of a visual semantic network, geometric morphology, semantic components and confidence coefficient are structured and coded, a robust state fusing prior and real-time observation is provided for planning, and decision errors caused by deformation and noise are reduced. Long-time-history folding is decomposed into sub-target sequences through a hierarchical strategy, action closed-loop correction is conducted through multi-modal data, and cooperative control over grabbing, folding and pleating is achieved. And finally, a torque instruction is generated based on a control algorithm, interaction compliance and safety are ensured, and the folding success rate and operation stability of the double-arm clothes folding robot under different materials, sizes and initial forms are integrally improved.

The invention relates to the technical field of batteries, and discloses a battery self-adaptive safety protection method and system based on data driving, and the method comprises the steps: extracting parameter features of a transient segment, a steady segment and a fluctuation segment after segmentation, constructing a comprehensive feature matrix based on the parameter features, all environmental factors of the battery are screened based on the environmental influence model, the working condition of the battery is determined based on the working condition identification model, the environmental influence factors and the state feature sequence, the working condition is verified based on historical data, and a corresponding monitoring strategy is selected based on the verified working condition or the re-determined working condition. And the acquisition interval is adjusted based on the monitoring strategy, the risk direction of the battery is determined based on the relationship between the standard state feature sequence and the state feature sequence, and whether power-off protection is performed on the battery is judged based on the association relationship of all the risk directions. According to the invention, through data driving of historical data, the flexibility and reliability of battery safety protection are ensured.

The invention relates to the field of equipment diagnosis, and discloses a submersible fault time sequence causal chain diagnosis method and system, and the method comprises the steps: obtaining multi-dimensional operation monitoring data in the operation process of a submersible; performing exception association analysis on the multi-dimensional operation monitoring data to obtain a cross-dimensional collaborative exception coefficient of an association unit group under each monitoring dimension; performing threshold comparison on all the cross-dimension collaborative anomaly coefficients, and determining each anomaly association unit group; and determining a diagnosis dimension trigger signal of the submersible according to the number of the abnormal association unit groups and the evolution characteristics of the cross-dimension collaborative abnormal coefficients of all the abnormal association unit groups. And a diagnosis dimension trigger signal is dynamically generated through the change and evolution characteristics of the cross-dimension collaborative abnormal coefficient, so that fault diagnosis scheduling of the submersible is triggered, and the response mechanism ensures the flexibility and adaptability in the diagnosis process.

The invention relates to the technical field of battery disassembling and recycling, in particular to a power battery disassembling and recycling device which comprises a case, a feeding hopper and a discharging box, and the feeding hopper is communicated with a discharging opening of external crushing equipment. According to the power battery disassembling and recycling device, through the synergistic effect of the centrifugal assembly and the vibration assembly, namely, centrifugal force generated by a rotatable centrifugal tube under the driving of the power mechanism is utilized to separate electrolyte, and meanwhile, the driving mechanism drives the upper sliding plate and the lower sliding plate to synchronously vibrate up and down through the moving rod; the blocked residual electrolyte in the battery fragments is effectively exposed and thrown out, so that the recovery efficiency and thoroughness are greatly improved; the connecting assembly adopts a connecting ring and a gold wire hose to ensure the sealing performance of material conveying, and the air blowing auxiliary drying of an air outlet ring and the collection design of an elastic sealing gasket and a negative pressure pipeline are combined, so that the risks of electrolyte leakage and environmental pollution are remarkably reduced, and safe, efficient and comprehensive recovery of the electrolyte in the power battery disassembling process is realized.

The invention relates to the technical field of chain skimming machines, and discloses a chain skimming machine for a rectangular pool, the chain skimming machine comprises a conveying mechanism and a skimming mechanism, the conveying mechanism is arranged on a sedimentation tank, the skimming mechanism is arranged on the conveying mechanism, the skimming mechanism comprises a conveying frame and a skimming plate, the conveying frame comprises a cross beam and a guide rod, and the skimming plate comprises a main plate and an auxiliary plate. The cross beam is horizontally arranged on the conveying mechanism, the guide rods are arranged at the ends of the cross beam respectively and are in sliding fit with the cross beam, and driving units for driving the guide rods to move are further arranged between the guide rods and the cross beam; the main plate is horizontally arranged on the cross beam, the auxiliary plate is arranged on the guide rod, the moving area of the auxiliary plate and the moving area of the main plate partially coincide, and the auxiliary plate is rotationally hinged to the guide rod and rotates around the vertical plane along with fluctuation of the inner wall of the sedimentation tank through the swing unit. When the gap between the skimming plate and the tank wall is too large, the auxiliary plate is close to the tank wall in a self-adaptive manner to make up the gap, so that the effect of cleaning the scum is achieved.

The utility model discloses a press-type electronic screen connecting device easy to disassemble. The press-type electronic screen connecting device comprises an electronic screen connecting main body, a track and a power supply connecting assembly, the electronic screen connecting body is provided with a pressing type lock catch matched with the electronic screen connecting body, and an elastic element is arranged in the pressing type lock catch and connected with a fixing groove formed in the track in a clamped mode. A metal contact is arranged at the top of the electronic screen connecting main body, and a metal power supply strip is arranged at a corresponding position in the track; the power supply connecting assembly comprises a conductive elastic sheet and a metal screw. The pressing type lock catch is clamped with the fixing groove of the track through the elastic element, a quick and simple unlocking mode can be achieved, tool assistance is not needed, disassembly can be completed through one-time operation, the guide inclined face of the fixing buckle is matched with the fixing groove, automatic alignment is achieved during pushing, the installation time is shortened, and electronic screens of different sizes are adapted; and the method can be expanded and applied to multiple scenes such as advertisement screens and industrial control screens, and the flexibility and stability of long-term use are ensured.

This invention relates to the field of automotive battery management technology, specifically to a non-intrusive parallel safety control device and method for auxiliary batteries in electric vehicles. The device includes a three-terminal parallel connection component, a boost converter module, a dual 12V signal detection module, a control module, and a power switch array. The three-terminal component reuses the original vehicle's high-voltage bus, the boost module adapts to the low-voltage auxiliary battery, and uses optocoupler isolation to detect charging and ignition signals. The control module executes electrically independent control logic, only turning on the power switch array during charging and discharging to achieve coordinated operation, and disconnecting it at other times to maintain electrical independence between the main and auxiliary batteries. This application eliminates the safety hazards of long-term parallel connection of new and old batteries without modifying the original vehicle's protocol and circuitry, ensuring the original manufacturer's warranty, and achieving intelligent range expansion and charging management.

The application relates to the technical field of coal quality sorting, and discloses a precision sorting and regulation method and system suitable for complex coal quality, which comprises the following steps: determining the component parameters of each component based on a component analysis model and coal quality parameters, comparing all the component parameters in a historical regulation database, determining the fan rotating speed of a blower based on the similarity of the component parameters when a calling strategy is determined, constructing a wind speed mapping model based on a sample data set and the historical regulation database when a compensation strategy is determined, determining whether the stability of the fan rotating speed is qualified based on wind speed fluctuation frequency, determining the fan rotating speed correlation result based on the valve opening and a correlation rule algorithm, determining the rotating speed regulation coefficient of the fan rotating speed according to the fan rotating speed correlation result, and adjusting the fan rotating speed according to the rotating speed regulation coefficient; and the reliability of sorting is ensured by determining the component parameters and judging the stability of the fan rotating speed.

The utility model relates to the field of ship coating equipment, in particular to an over-spray paint mist recovery device suitable for ship coating. The device comprises a supporting frame, a recycling cover and a recycling box, the recycling cover is composed of a mounting part, a vacuum adsorption part and a first recycling pipe, the mounting part is connected with a spray gun head, and the vacuum adsorption part is provided with a vacuumizing hole and communicated with the mounting part through the first recycling pipe; and the recycling box is communicated with the first recycling pipe through a second recycling pipe, and is provided with a stirring mechanism for mixing the paint mist flocculating agent with the recycled paint mist. According to the device, by optimizing the structural design, the paint mist recycling efficiency is effectively improved, environmental pollution is reduced, and meanwhile the spraying quality is guaranteed.

This invention discloses a rapidly connectable seismic-resistant prefabricated shear wall structure and method, relating to the field of prefabricated component connection structures. The structure includes a first shear wall and a second shear wall spaced apart, forming a vertical joint between the two walls, and pre-embedded reinforcing bars are provided. By using first and second connectors welded to the pre-embedded reinforcing bars, and by having the vertical reinforcing bars pass through these connectors, the construction process is simplified, eliminating the need for extensive steel bar binding or the use of custom components, thus reducing connection difficulty and cost. Furthermore, the adjustable first and second connectors allow for a certain range of positional deviation, ensuring the accuracy and flexibility of the connection, thereby improving the overall integrity and seismic performance of the structure.

The invention discloses an XDP-based edge node network spoofing defense method and system, and the method comprises the steps: intercepting an inbound message through a fast data path XDP, carrying out the black and white list check, and transmitting the message to a kernel protocol stack if the message is matched with the white list; if the message is not in the black and white lists, if the message is a message requested for the first time, generating a deception response message according to the key and returning the deception response message, otherwise, according to the current key stored in the eBPF mapping table, judging whether the message conforms to a high-interaction attack source judgment condition, if the message conforms to the high-interaction attack source judgment condition, putting the message into the black list, and if the message conforms to the high-interaction attack source judgment condition, putting the message into the white list. And discarding if the judgment condition of the high-interaction attack source is not met. The invention aims to realize a light-weight and low-cost active defense mechanism, attack is quickly intercepted at the bottom layer of a protocol stack, interception of reconnaissance traffic and deception response are realized in a kernel mode so as to reduce deception defense cost, meanwhile, a deception state is dynamically maintained so as to cope with complex scanning behaviors, and defensive performance and effect are improved.

The utility model provides a pushing device capable of automatically clamping, unlocking and keeping a spring piece puller, and relates to the technical field of zipper puller assembly.The pushing device comprises a supporting module and a pushing module, the supporting module comprises a first rail, a first sliding block is connected to the first rail in a sliding mode, a pushing base is fixedly arranged on the first sliding block, the pushing module comprises a second expansion piece, and the second expansion piece is connected with the first sliding block in a sliding mode. The driving end of the second expansion piece is fixedly connected with the pushing seat to push the pushing seat to move along the first track, an overturning module and a pull piece opening module are installed on the pushing seat, a pull head clamping module is connected to the overturning end of the overturning module, the pull piece opening module is provided with a piece opening plate, the pull head clamping module comprises a clamping groove b matched with a pull head in appearance, and the clamping groove b is provided with a clamping groove b matched with the pull head in appearance. The clamping groove b is used for vertically inserting a pull head from the upper part, the slicing plate is located below the clamping groove and forms interference with a pull piece, the turnover module pulls the pull head clamping module to vertically turn over, the pull head and the pull piece are pulled to form 90 degrees and are kept in a state, and the problem that the pull piece falls down due to the fact that an air cylinder pushes the pull piece in the prior art is solved.

This utility model relates to the field of catalyst technology and discloses a denitrification plate-type catalyst addition device for thermal power plants. It includes a base plate, with a base fixedly connected to the middle of the upper end of the base plate. A vertical rod is rotatably connected to the upper end of the base, and a first horizontal rod is rotatably connected to the top of the vertical rod. A second threaded rod is connected to the inner wall of the first horizontal rod via a telescopic assembly, and a third horizontal rod is threadedly connected to the outer wall of the second threaded rod. A steel wire rope is connected to one end of the third horizontal rod via a rotating assembly, and a first lifting rod is provided at the lower end of the steel wire rope. A second lifting rod is slidably connected to the inner wall of the first lifting rod. In this utility model, stable clamping is achieved through the combination of clamping plates and pneumatic suction cups, and a pressure sensor automatically adjusts the torque. Multi-stage hydraulic telescopic rods increase the lifting distance and operational flexibility. Precise positioning of the first motor and other components, a counterweight to prevent tipping, adaptability to narrow and complex environments, and the cooperation of pins and limit slots ensure reliable and flexible lifting.

This invention relates to the technical field of concealed pipeline mapping, and in particular to an auxiliary device for rapid three-dimensional coordinate positioning of concealed pipelines in installation projects. The invention includes a mother drone equipped with a probe and camera mounted on it. A marking nozzle is connected to the mother drone, and the marking nozzle is connected to and installed on a daughter drone. The mother drone connects the marking nozzle and the daughter drone via a flexible hose and power cable. The device uses a mother drone integrating a probe and camera, enabling multi-angle, omnidirectional spatial scanning and image acquisition of concealed pipelines. This achieves rapid and accurate three-dimensional coordinate positioning of the concealed pipelines, significantly improving the accuracy and reliability of the positioning. The mother drone connects the marking nozzle and the daughter drone via a flexible hose and power cable, enabling remote synchronous control. The daughter drone can flexibly move to the pipeline positioning point and automatically complete on-site marking, avoiding errors associated with traditional manual line drawing and improving the accuracy and consistency of the marking.

This utility model discloses a textile roller support for textiles, including a first support and a second support. The left side of the first support is movably connected to the right side of the second support. A telescopic frame is fixedly connected to the surface of the first support, and a telescopic shell that cooperates with the telescopic frame is fixedly connected to the surface of the second support. By using a telescopic device, a telescopic folding plate, a telescopic hole, a spring, and a folding plate groove in combination, this invention solves the problem that existing textile roller supports are key components used in textile machinery to support and fix textile rollers, such as warp beams, weaving beams, and guides. Their main function is to ensure the stability, balance, and flexibility of the textile roller during operation to meet the requirements of textile processes. The size and specifications of textile rollers vary according to processing needs, and the spacing of the textile roller supports needs to be adjusted according to the size of the textile rollers. Otherwise, the applicability of the textile roller support will be reduced, affecting its ease of use.

This invention discloses a digital twin simulation system and method for asphalt pavement repair, relating to the field of pavement repair technology. It includes: a data acquisition module for collecting multi-source data on the asphalt pavement and traffic data; a digital twin modeling module for constructing a digital twin model of the asphalt pavement using 3D modeling technology; a repair scheme design module for outputting asphalt pavement repair schemes based on a trained repair scheme recommendation model; a simulation module for simulating the designed repair schemes on the digital twin model and generating simulation result data; and a scheme evaluation module for evaluating the results data from the simulation module based on a trained evaluation model and providing an evaluation score for the scheme. This invention optimizes asphalt pavement repair schemes through real-time data acquisition and digital twin modeling, analyzes the impact of mechanics, material aging, and traffic, improves repair accuracy, enhances construction safety, and increases efficiency.

Embodiments of the present disclosure provide a wireless charging test method, device and equipment for a vehicle. The method comprises: determining a test function; generating a test instruction corresponding to the test function; sending the test instruction to the wireless charging panel; monitoring state information fed back by the wireless charging panel after receiving the test instruction; and determining whether the test function of the wireless charging panel passes according to the state information. In this way, a unified operation paradigm and data collection standard are provided for all wireless charging tests, differences in test results caused by inconsistent test steps, conditions or evaluation criteria are eliminated, the accuracy of test results is improved, and since the test instruction is automatically generated and sent by the test host and the state information is automatically monitored and determined, the test efficiency and automation level can be significantly improved.

This utility model relates to the field of anti-tangling technology for nylon spinning winding, and discloses an anti-tangling nylon spinning winding device, including a winding box, and further including: a winding disc rotatably connected to the front side of the winding box; two take-up rollers rotatably connected to the front side of the winding disc for rotating and winding the nylon yarn; and a guiding mechanism disposed on the outer wall of the winding box for guiding the nylon yarn to be wound and wound onto the outer wall of the take-up rollers. This utility model guides the nylon yarn through multiple guide cylinders, ensuring that the nylon yarn maintains a straight path during winding, avoiding tangling and knotting. The guide rollers abut against the outer wall of the nylon yarn, and a return spring pushes the arc-shaped sleeve to move, further tightening the nylon yarn, ensuring stability during winding and effectively preventing tangling.

The invention discloses a self-organizing learning path optimization method and system based on learning behavior mining, and relates to the field of path optimizing.The self-organizing learning path optimization method based on learning behavior mining comprises the following steps that S1, data are collected, and a library is built; s2, presetting a judgment benchmark, dividing the data to remove redundancy, and integrating to form a data set; s3, preprocessing the data set, extracting core features by using an algorithm through differentiation, and constructing a double-dynamic model in combination with a library; s4, formulating a path criterion, and optimizing to obtain a multi-version push reference and path adaptation range; s5, calling the path candidate set, and generating a personalized self-organizing learning path candidate scheme; s6, implementing the candidate scheme, and collecting data in real time and integrating to form double reports; and S7, a threshold value is preset to judge double reports. According to the invention, through full-period multi-dimensional learning data acquisition and hierarchical cognitive archive library construction, targeted extraction of learning adaptation rhythm and scene adaptation habits is realized.

The invention discloses a tunnel scheduling command system and method based on digital twinning and distributed decision, and belongs to the technical field of tunnel construction man-vehicle scheduling, and the system comprises a digital twinning engine module which is used for constructing a three-dimensional digital twinning model of a tunnel space; the data collaborative governance module is used for carrying out association analysis on historical scheduling decision data recorded in a distributed account book and converting an analysis result into a material scheduling instruction through an intelligent contract; the fusion positioning system is used for uploading positioning data of personnel and equipment in the tunnel to the edge computing cluster in real time; the meeting algorithm module is used for acquiring real-time traffic flow data and a prediction avoidance threshold value from the digital twin engine module, generating a decentralized passing strategy by combining adjacent vehicle positioning information provided by a fusion positioning system, and sending the decentralized passing strategy to the digital twin engine module; and the strategy execution result is issued to the transportation equipment after being subjected to authority verification through an intelligent contract of the data collaborative governance module. According to the invention, the safety and efficiency of tunnel scheduling are improved.

The utility model relates to the technical field of textile fabrics, and provides a chinlon-spandex super-elastic fabric which comprises a first surface and a second surface, the first surface and the second surface are formed by weft knitting of yarns through a double-sided weft knitting machine, and the yarns are formed by blending chinlon and spandex; the first surface is provided with a plurality of groups of first bulges and a plurality of groups of second bulges, the plurality of first bulges in each group are arranged at intervals along the transverse direction of the first surface, and the plurality of second bulges in each group are arranged at intervals along the transverse direction of the first surface; the multiple sets of second protrusions and the multiple sets of first protrusions are arranged at intervals in the longitudinal direction of the first face. The anti-skid waistband fabric has the advantages that the waistband made of the anti-skid waistband fabric has high elasticity and good anti-skid performance.

This application provides a human-computer interaction method and system for emergency rescue scenarios. The method involves parsing and processing the multimedia information received from an emergency rescue requester to obtain an emergency rescue situation awareness model. Based on this model, a deep reinforcement learning algorithm is used to select possible emergency response strategies. Medical knowledge graph technology is then used to analyze the relationship between the requester's symptoms and possible causes to generate an emergency rescue guidance plan. Based on this guidance plan, a traffic flow prediction algorithm is used to optimize the rescue route in real time. Combined with road condition information collected using IoT technology, the route of the rescue vehicle is dynamically adjusted to generate an optimal rescue route and the latest rescue progress notification. Finally, the optimal rescue route and the latest progress notification are used to visualize the emergency rescue operation process, generating intuitive visual guidance. The technical solution provided by this application significantly improves the speed, accuracy, and effectiveness of emergency response.

The invention relates to the technical field of electrode materials, in particular to a flexible supercapacitor electrode material and a preparation method thereof based on cyclic electrochemical deposition, and the method comprises the following steps: pretreating flexible carbon cloth to obtain modified carbon cloth; and preparing an aniline electroplating solution and a graphene oxide electroplating solution, and alternately electrodepositing a PANI layer and an rGO layer on the modified carbon cloth to obtain the electrode material with the PANI / rGOR layer. According to the flexible supercapacitor electrode material and the preparation method thereof based on the cyclic electrochemical deposition, the thickness and the proportion of the PANI layer and the rGO layer can be accurately adjusted by controlling the electrodeposition time, the potential and the cycle index, so that the PANI layer and the rGO layer are alternately deposited to form a compact and firmly-combined layered structure, and the flexible supercapacitor electrode material is prepared. And the peeling problem caused by the volume change of the PANI in the charging and discharging process is effectively relieved.

The utility model discloses a bearing clamp for bearing production, which belongs to the technical field of part processing, and comprises a support table body, a clamping assembly, a polishing assembly and a purging assembly, the clamping assembly is arranged on the support table body, the clamping assembly is provided with at least two clamping spaces along a first linear direction, and the clamping spaces are used for clamping steel rings to be processed; the grinding assembly comprises a moving main body, a driving mechanism and a grinding disc, the grinding disc is connected with the moving main body through the driving mechanism, the grinding disc is located above the clamping assembly, the driving mechanism can drive the grinding disc to move in the direction close to or away from the clamping space and drive the grinding disc to rotate, and the moving main body is movably connected with the supporting table body; the grinding disc can be driven to move in the first linear direction; the purging assembly is arranged on the supporting table body and comprises a plurality of purging air nozzles, and the purging air nozzles directly face the clamping assembly and are used for purging the clamping space. According to the bearing clamp for bearing production, through cooperative work of all the components, the grinding efficiency and quality of a bearing steel ring are effectively improved.

The utility model discloses a battery liquid injection port cleaning device, and relates to the technical field of lithium ion battery manufacturing. The device specifically comprises a rotating part; the first telescopic piece is connected to the rotating piece and can rotate along with the rotating piece; a mounting groove capable of mounting a wiping part is formed in the fixing part, and the fixing part is connected to the first telescopic part; and the wiping assembly is clamped in the mounting groove, and the first telescopic piece drives the fixing piece to be close to or away from the battery liquid injection opening, so that the wiping assembly wipes the battery liquid injection opening. The utility model aims to realize efficient, stable and automatic cleaning of residual electrolyte at a liquid injection port, optimize the structure of a wiping head, simplify the replacement process and shorten the remodeling time.

The utility model discloses a glass lining temperature measuring sleeve breakage monitoring alarm and disposal device, which belongs to the field of reaction kettle thermometer sleeve breakage monitoring and comprises a reaction kettle, a material inlet pneumatic valve is mounted at one end of the top of the reaction kettle, and a temperature transmitter and a pressure transmitter are mounted at the other end of the top of the reaction kettle. A steam pneumatic valve and a cooling water outlet pneumatic valve are installed in the middle of the reaction kettle, a cooling water inlet pneumatic valve and a condensate water pneumatic valve are installed at one end of the bottom of the reaction kettle, and the material inlet pneumatic valve, the steam pneumatic valve, the cooling water outlet pneumatic valve, the cooling water inlet pneumatic valve and the condensate water pneumatic valve are connected with a temperature transmitter and a pressure transmitter through pipelines. When the temperature transmitter and the pressure transmitter are in a normal-pressure or positive-pressure environment, environment gas is sucked into the cavity due to pressure difference, and the gas detector is difficult to capture effective signals, so that the pressure transmitter is particularly switched to, any abnormity can be sensitively detected by monitoring pressure change, and the safety of the temperature transmitter and the pressure transmitter is ensured. Therefore, the flexibility and the accuracy of the whole monitoring system are ensured.

The invention relates to the technical field of computer networks, and discloses a communication connection adaptive adjustment method, device, electronic equipment and system, and the method comprises the steps: attempting to obtain server certificate information based on a certificate dynamic obtaining strategy when a server address received by an application program meets a communication protocol switching condition, and obtaining an information obtaining result; verifying the server certificate information based on a multi-level certificate verification system to obtain a certificate verification result; determining a first target communication protocol which can be used for the server address according to the information acquisition result and / or the certificate verification result; the first target communication protocol comprises an HTTP protocol or an HTTPS protocol; and establishing a dynamic communication connection between the application program and the server based on the first target communication protocol. Therefore, the communication connection strategy can be adjusted in a self-adaptive mode, the selection flexibility and reliability of the communication connection between the client side and the server are improved, and therefore the availability and continuity of communication services are ensured.

The utility model discloses an anastomat and an anastomosis nail pushing mechanism thereof, and relates to the medical technical field, the anastomat comprises a shell, one side of the shell is provided with a handle, one end of the handle is fixedly connected with a nail anvil, one side of the top of the handle is provided with a locking mechanism, and the inner side of one end of the handle is inserted with a nail bin. Through cooperation of an elastic piece and a clamping block, the nail bin can be rapidly inserted and preliminarily fixed, basic guarantee is provided for follow-up operation, a first moving plate stably moves along a sliding groove, elastic tension storage and stable movement of the device are ensured through the combination of the action of a second fixing rod and a second tension spring, and in the reset process, through cooperation of an inserting rod and a positioning hole, the device is reset stably. Final firm inserting connection is achieved, the stability of the nail bin is greatly improved through the double-locking function of the clamping block, disassembly and replacement are more convenient and faster through the modular design, the requirements for efficient and flexible operation are met, and the reliability of the device is enhanced through the overall structure.

The strength of a tube having a lumen in a catheter is improved. The catheter comprises a first tube having a first lumen, and a second tube having a second lumen. The first tube has an inner layer corresponding to the innermost layer of the first lumen, an outer layer surrounding the inner layer, and a reinforcing layer sandwiched between the inner layer and the outer layer.

The utility model discloses a material taking device after wax mould forming, which belongs to the technical field of wax mould forming and comprises a cooling pond and an extension mounting block, the extension mounting block is fixed at the top of the cooling pond, a limit sliding groove is arranged on the inner wall of the extension mounting block, a transverse movement driving component is mounted in the limit sliding groove, and a U-shaped mounting frame is mounted on the transverse movement driving component. A vertical material taking air cylinder is fixedly installed on the U-shaped installation frame, a U-shaped lifting base is fixed to the telescopic end of the vertical material taking air cylinder, a limiting sliding rod is fixed to the inner wall of the U-shaped lifting base, a driven sliding block is slidably installed on the limiting sliding rod, a movable strip block is fixedly installed at the bottom of the driven sliding block, and an installation sliding groove is formed in the bottom of the movable strip block. A gathering type clamping material taking assembly is installed in the installation sliding groove. According to the material taking device, the material taking stability is improved, the clamping position can be automatically adjusted according to the actual position of a wax mold, the material taking accuracy and flexibility are ensured, and accurate positioning and efficient taking out of the wax mold in a cooling pond are achieved.