2299results about How to "Improve operational efficiency" patented technology

The invention provides a BIM-fused port infrastructure digital twinborn operation and maintenance management system and method. The method comprises the steps of collecting a port infrastructure BIM full-life-cycle multi-source heterogeneous data set, constructing a port infrastructure real-time three-dimensional digital twinborn body, constructing an equipment health prediction model and generating a fault diagnosis result; simulating tide influence to form a stress distribution prediction result; a three-level linkage optimization model is constructed, a scheduling scheme is generated, a multi-energy collaborative optimization engine optimization scheme is used, a three-dimensional safety matrix is constructed through unmanned aerial vehicle inspection and visual recognition, risks are monitored in real time, and safety early warning is generated. The prediction model is constructed, faults are accurately diagnosed, the tide influence is quantified, and the prediction precision is improved; multi-target collaborative optimization is realized through a linkage optimization model and an engine, and the problem of single-target optimization is solved; and on the basis of a monitoring and early warning system, rapid identification and hierarchical response are realized, a closed-loop link is formed, and the port operation and maintenance adaptability is improved.

The invention discloses a reinforcement learning-based casting cleaning process parameter adaptive control method, which comprises the following steps of: constructing a reinforcement learning model for updating casting cleaning process parameters; the method comprises the steps that in the process that a casting cleaning system cleans a casting according to a set control period, key process signals in each control period are sequentially collected, and observation vectors are generated; inputting the obtained observation vector into a reinforcement learning model, and processing the observation vector by the reinforcement learning model to obtain a process parameter adjusting quantity, and the casting cleaning process parameters of the current control period are updated according to the process parameter adjusting quantity to obtain updated casting cleaning process parameters, and the updated casting cleaning process parameters are adopted to control a casting cleaning system of the next control period. According to the casting cleaning process parameter self-adaptive control method based on reinforcement learning, continuous and self-adaptive adjustment of the process parameters can be achieved, and the problem that fixed parameter control is insufficient in adaptability under complex working conditions is solved.

The invention relates to the technical field of soil remediation, in particular to an extracting and backfilling device for soil remediation, which comprises a main frame, electric crawler wheel mechanisms mounted at the front end and the rear end of the main frame, and a driving motor mounted inside the main frame. According to the extracting and backfilling device for soil remediation, the transverse remediation barrel, the left inclined feeding barrel and the right inclined discharging barrel which communicate with one another are fixedly mounted at the upper end of the main frame through bolts; an internal inclined transmission rod and a transverse transmission rod are synchronously driven to rotate through a driving motor on the transverse repairing cylinder; and the soil is guided into the transversely-arranged repairing barrel to be rolled and repaired by matching with the structure-adjustable bottom sealing covers at the opening ends of the left inclined feeding barrel and theright inclined discharging barrel, and then is guided out to the shoveling end to be backfilled and flattened, so that the operation efficiency of soil repairing is greatly improved.

The invention provides an air source heat pump system. The air source heat pump system comprises a compressor, a fin heat exchanger, a shell tube heat exchanger and a gas-liquid separator, wherein the shell tube heat exchanger comprises a gas tube, a liquid tube, a heat exchange tube and a liquid separating device, the air source heat pump system further comprises a four-way valve, the four-way valve is correspondingly communication with the compressor, the gas-liquid separator, the fin heat exchanger and the gas pipe, the fin heat exchanger is in communication with the liquid separating device through a orifice plate and a first one-way valve; the fin heat exchanger is in communication with the liquid tube through an expansion valve and a second one-way valve; the first one-way valve is used for the one-way conduction of the fin heat exchanger to the liquid separating device; the second one-way valve is used for the one-way conduction of the liquid pipe to the fin heat exchanger. By the adoption of the system, a liquid storage device of the liquid refrigerant does not need to be added in the system, so that the cost is saved; a large amount of liquid refrigerant cannot flow back to the compressor after defrosting is finished; during the refrigeration mode, the refrigerant running shell pass does not need to be subjected to suction superheat, so that the air suction pressure and the operation efficiency of the refrigeration mode are improved; and the overall use valve of the system is less, and the reliability is high.

The invention relates to the field of ocean renewable energy technology utilization, and provides an oscillating water column type wave energy power generation device based on a superstructure, which comprises an oscillating water column main body, a superstructure assembly, a top shell and a power generation unit, and is characterized in that the interior of the oscillating water column main body is provided with the superstructure assembly formed by a plurality of guide plates which are arranged along the radial direction and extend in a horn shape; the oscillating water column body is internally divided into a plurality of independent oscillating water column cavities with gradually-changed sizes by combining with the partition plate assembly, an air chamber is defined by the top shell and the oscillating water column body, and airflow energy generated by water column oscillation driving is converted into electric energy through the power generation unit. The power generation unit can adopt a plurality of split type air turbines to generate power or a general type air turbine to generate power. The special fluctuation performance of the superstructure is fully exerted, efficient broadband capture and wave absorption are achieved, meanwhile, wave loads are effectively reduced, diversified integration of wave energy power generation devices is developed, sea area resources and operation and maintenance cost are saved, and negative environmental influences are reduced.

The utility model discloses a continuous conductor plate for a magnetic suspension automobile, which comprises a first conductor plate and a second conductor plate which are connected with each other, the end part of the first conductor plate is provided with a first splicing part, the end part of the second conductor plate is provided with a second splicing part, and the shapes of the first splicing part and the second splicing part are complementary. And the first splicing part and the second splicing part are spliced together to form a continuous conductor plate. When the magnetic wheel of the magnetic suspension automobile passes through the gap between the conductor plates, the first conductor plate provides an eddy current field before passing through the gap, and the second conductor plate provides an eddy current field after passing through the gap, so that the continuity of eddy current is ensured, and the operation efficiency of the whole system of the magnetic suspension automobile and the conductor plates is improved.

The utility model discloses an optical module test system which comprises a rack, a mechanical arm is arranged on the rack, and a feeding station, a code scanning station, an end inspection station, a plugging station, a test station and a discharging station are arranged on the periphery of the mechanical arm. The plugging station is used for connecting or separating the optical module and the optical fiber; the code scanning station is used for identifying and acquiring information of the optical module; an end detector is arranged on the end detection station; a high and low temperature detector is arranged on the test station; the manipulator is arranged to transfer materials among the stations, automation of the optical module testing process is achieved, manual operation is reduced, testing efficiency and accuracy are improved, and labor cost and personal errors are reduced. In addition, all the stations are arranged around the manipulator, the structure is compact, the occupied space is small, the system is particularly suitable for use scenes with high requirements for the site and the occupied area, meanwhile, operation of the manipulator and circulation of materials are facilitated, and the operation efficiency of the system is improved.

The invention discloses a low-speed new energy vehicle driving assistance system based on vision and radar fusion, and belongs to the technical field of automotive electronics, which can adapt to price sensitive attributes, reduce the popularization threshold, adopt hardware combination of a low-cost monocular camera and an angle radar, and are matched with an integrated ADAS domain controller to replace a plurality of independent ECUs (electronic control units). The method does not need to depend on expensive devices such as a high-end millimeter wave radar and a laser radar, hardware and system cost is greatly reduced while multifunctional assistance is achieved, market positioning of low-speed new energy vehicles is perfectly matched, and through the fusion design of vision and a radar sensor and the combination of a front fusion and rear fusion cooperative verification algorithm, the positioning precision of the low-speed new energy vehicles is greatly improved. Visual data accurately identifies visual information such as lane lines, vehicles and pedestrians, radar data accurately detects parameters such as distance and speed and adapts to severe environments such as rain, fog and dark light, the advantages of the visual data and the radar data complement each other, the functional defects of a single sensor scheme are overcome, and the accuracy and stability of environment perception in different scenes are remarkably improved.

The invention discloses a collaborative reasoning method and system for adaptive model segmentation in a heterogeneous computing power environment. The method comprises the following steps: establishing a numerical calculation precision difference model between a source computing device and a target computing device; at a source equipment end, carrying out sensitivity analysis on a state tensor to be migrated according to the difference model, and asymmetrically dividing the state tensor into a core sensitive part and an edge part; performing dimension reduction processing on the edge part to generate a low-precision basic tensor, extracting precise residual information from the core part, compressing to generate a residual compensation vector packet, and sending the two to target equipment; and at a target equipment end, main calculation is carried out by using the low-precision basic tensor, a residual error compensation vector packet is decompressed in a bypass manner, and recovered residual error information is injected into an intermediate result of a main calculation stream to complete precision compensation. The problems of reasoning state semantic drift and error accumulation caused by dynamic migration between heterogeneous devices are solved, and the robustness and efficiency of a collaborative reasoning system are improved while the model reasoning accuracy is guaranteed.

The invention relates to the technical field of rail transit, in particular to an ad hoc network train running permission calculation method, system and device and a medium. The train ad hoc network control breaks through the control mode of a traditional control system, and two-dimensional control over the target distance and the target speed is carried out based on the real-time speed and the real-time position of the front train. The Ad-Hoc network control system depends on communication equipment to achieve real-time communication between the trains, the trains run in a group mode, the trains in the group are tracked through corresponding safety control models, the tracking distance between the trains in the group is shortened, and the line transportation capacity is improved. The driving permission of the vehicle is calculated based on the speed, position and other information of the front vehicle in combination with the marshalling condition of the vehicle and the special line condition, and the driving safety of train tracking is guaranteed.

The invention relates to the technical field of industrial big data, in particular to an Internet of Things sensing and data monitoring integrated system, which comprises an Internet of Things sensing module used for acquiring a sensing parameter set of a distributed simulation unit of an intelligent power plant and a historical performance evolution trend reflecting a dynamic evolution rule; the twin mapping module is used for realizing signal space-time synchronization by utilizing a time service protocol, calling a multi-physics field evolution model to calculate thermal stress offset so as to execute numerical compensation, and generating a high-fidelity physical feature vector; the collaborative decision-making module shares observation information by using a multi-agent distributed collaborative architecture, identifies an electromagnetic-dynamic coupling response mode through a joint reward function and outputs a collaborative optimization strategy; and the execution module is used for generating an evaluation result by calculating the numerical deviation between the physical feature vector and the design envelope, and adjusting the excitation control variable according to a strategy until the system converges to a target equilibrium value. According to the method, the steady state monitoring of the power system is realized through twin mapping and collaborative decision.

The application relates to the technical field of liquid chromatography tandem mass spectrometry all-in-one machines, in particular to a high-performance liquid chromatography tandem mass spectrometry all-in-one machine which comprises a bottle box, the top of the bottle box is used for placing a solvent bottle, a fixing clamping plate for limiting the solvent bottle is arranged on the bottle box, a side edge buckle slot is formed in the side edge of the bottle box, a refrigeration box is arranged in the side edge cooling box, an intelligent control screen is mounted on the surface of the refrigeration box, a pull-out box is connected to the side edge cooling box through a pull-out slot, and a box handle is arranged on the pull-out box. On the sample management, the refrigeration box in the side edge cooling box cooperates with the intelligent control screen to realize intelligent temperature control, the influence of manual operation on the refrigeration environment is avoided, the arc-shaped clamping groove, the rubber pad and the compression spring structure in the pull-out box can stably clamp a test tube, the sample pollution risk is reduced, the detection precision is improved, and meanwhile, the detachable connection design of the fixing clamping plate enhances the use flexibility of the equipment.

The utility model relates to a torque fixing sleeve structure for a built-in motor of an electric power-assisted bicycle. The torque fixing sleeve structure comprises a center shaft, a torque sensor, a shell, a circlip for a shaft, a torque fixing sleeve and a fixing screw, the torque sensor is sleeved on the middle shaft, and the axial movement of the torque sensor is limited by the elastic retainer ring for the shaft; the torque sensor is sleeved with the torque fixing sleeve, four right positioning grooves and two left positioning grooves are formed in the two ends of the torque fixing sleeve respectively, and the right positioning grooves and the left positioning grooves are clamped with the inner wall of the shell. The torque fixing sleeve is fixed to the shell through a fixing screw, a wiring port and a wiring channel groove are formed in the torque fixing sleeve, and a sensor wiring harness penetrates through the wiring port and is contained in the wiring channel groove. The problems of high cost, complex structure and difficult maintenance are solved.

The invention relates to the technical field of wearable intelligent equipment, and further relates to a method and device for determining the home position of a user and wearable intelligent equipment. The method comprises the following steps: when the wearable intelligent equipment is in an indoor environment, acquiring wireless signal data and multi-source sensing data; determining wireless signal feature data according to the wireless signal data, and determining a standing proportion, a charging behavior similarity and a position aggregation degree according to the multi-source sensing data; performing weighted summation on the wireless signal feature data, the standing proportion, the position aggregation degree and the charging behavior similarity; and when the weighted summation result is not less than the total threshold, determining that the target coordinate is the user home position. According to the method, the wireless signal data and the multi-source sensing data are effectively fused, the problem that a single judgment condition is prone to interference or misjudgment is avoided, the accuracy and reliability of user home position recognition are remarkably improved, a solid foundation is provided for subsequent intelligent services based on home scenes, and therefore the user experience is optimized.

The utility model provides a kind of deicing wind-resistant double-insulated overhead transmission cable, it is characterized by including steel wire tensioning element, inner insulation layer, aluminum alloy conductor layer, outer insulation layer;Utilize steel wire tensioning element to pass through aluminum alloy conductor layer, steel wire tensioning element inductive heat generation, heat is radiated to cable surface through the inner insulation layer with certain thermal conductivity, aluminum alloy conductor layer and outer insulation layer, can continuously generate heat to melt cable surface icing. Real-time heating cable surface, substantially reduce the possibility of cable surface icing in low-temperature freezing weather, reduce cable icing hazards, while the surface is designed wind channel structure, reduce the synergistic hazards of icing and strong wind, deicing efficiency is high, compared with other deicing methods efficiency is higher while cost is lower, beneficial to the development of industry, to improve power grid operation efficiency in turn, with popularization and utilization value.

The embodiment of the application relates to the technical field of medical instruments, and discloses a sperm extractor, which comprises a shell, a massage piece and an air pump, the shell comprises an upper shell body and a lower shell body arranged in sequence along the length direction of the shell, the upper shell body and the lower shell body enclose a containing cavity, one end of the upper shell body is provided with a first opening, the first opening is communicated with the containing cavity, the other end of the upper shell body away from the first opening is slidably connected with the lower shell body, the massage piece is arranged in the containing cavity, one end of the massage piece is close to the first opening and provided with a second opening, a massage cavity is arranged in the massage piece, the massage cavity is communicated with the second opening, an air cavity is formed between the outer surface of the massage piece and the inner surface of the shell, and the air pump is arranged in the containing cavity and used for filling or extracting air in the air cavity. Through the above mode, the length of the shell is adjusted through the sliding connection of the upper shell body and the lower shell body, so that the use requirements of different body types of individuals are met, and the adaptability and operation efficiency of the sperm extractor are improved.

The gynecological urethral catheterization pain management integrated workstation comprises a main control terminal, a self-adaptive urethral catheterization support with force feedback, a three-dimensional navigation module, a consumable management module and a complication early warning system. The main control terminal is connected with the self-adaptive urinary catheterization support, the three-dimensional navigation module, the consumable management module and the complication early warning system through a network. By means of the AR dynamic navigation and pressure feedback linkage function, the operation time is effectively shortened, the operation efficiency is improved, and the qualified rate of independent operation of new nurses is increased. In the aspect of pain management, the individualized NRS evaluation module evaluates the pain, timely intervention is performed, and the pain of the patient is reduced. The complication prevention and control effect is obvious, the damage to the urethra is reduced, and the urinary tract infection incidence rate is reduced. Meanwhile, complete tracing of consumables is achieved through the RFID consumable management and electronic medical record docking function, and data support is provided for continuous improvement of nursing quality.

The application relates to the field of sanitation operation scheduling, in particular to a sanitation operation scheduling method based on the Internet of Things, which comprises the following steps: determining an iterative stop condition of a load CEEMDAN model based on time local weighted variance of load data, so as to generate vehicle load characteristics; generating vehicle oil consumption characteristics through an oil consumption CEEMDAN model based on statistical values of load data residuals and oil consumption data residuals, so as to calculate oil consumption channel residual signals; generating comprehensive vehicle carrying characteristics through a feature extraction model based on a multilayer perception machine, a gating mechanism and a cross-modal attention mechanism; and generating corrected vehicle garbage load through a long short-term memory network and a fully connected layer architecture. The application realizes efficient noise reduction and accurate decomposition of non-stationary time series data of oil consumption and load, realizes accurate processing of Internet of Things data of garbage transfer vehicles, improves the operation efficiency of the garbage transfer vehicles and reduces the operation cost.

This invention discloses a centrifugal pump control method and medium. When a centrifugal pump is used to transport fluid, the transport pipeline includes several centrifugal pumps. The method includes: a dynamic extraction step: extracting feature parameters based on the transport pipeline information and information of each centrifugal pump; and an optimized control step: obtaining the corresponding feature parameters within a control period, and controlling the transport flow rate of each centrifugal pump on the transport pipeline according to the feature parameters, thereby achieving centrifugal pump flow control through the corresponding transport flow rate values ​​of each centrifugal pump. This invention, by obtaining feature parameters from the transport pipeline and information of each centrifugal pump on the pipeline, and controlling the flow rate of each centrifugal pump based on these feature parameters, avoids overload or underload of the centrifugal pumps, ensures that the transport flow rate of the transport pipeline matches the actual production conditions and the operating status of the centrifugal pumps, and improves the operating efficiency of the transport pipeline.

A portable, detachable animal transport cage includes a base plate, side plates, door panels, a cover plate, and handles. The base plate and cover plate are identical in structure, as are the two side plates and the two door panels. Rollers are mounted on the lower part of the base plate, and recessed grooves are formed on both sides of the upper part of the base plate. Cylindrical protrusions are formed on the upper and lower sides of the side plates, and trapezoidal protrusions are formed on the left and right sides of the side plates. Rubber pads are mounted on the rollers mounted on the lower part of the base plate to increase the stability of the transport cage. The cylindrical protrusions on both sides of the side plates engage with the recessed grooves on the upper part of the base plate. Inverted trapezoidal grooves are formed on both sides of the door panels, which interlock with the trapezoidal protrusions on both sides of the side plates to securely connect the side plates and door panels together without displacement. The handles can be installed on either side of the base plate or the cover plate.

The utility model provides a kind of monitoring system of photolithography machine internal environment, comprising: photolithography machine;Air circulation air outlet located in the photolithography machine inside;Particle detection device located at the air circulation air outlet, for real-time monitoring the particle contaminant inside the photolithography machine and generating detection data;Data sending module is electrically connected with the particle detection device, for accepting the detection data and real-time transmission to external monitoring equipment;Real-time monitoring and data real-time transmission to photolithography machine internal environment particle contaminant are realized.This enables operator to promptly understand photolithography machine internal air quality condition, provides strong guarantee for the stable performance of photolithography process, improves the automation level and operating efficiency of entire photolithography machine.

The embodiment of the invention discloses a charging pile output power control method and a related device, the method is applied to a controller of a first charging pile of a charging station, the charging station comprises the first charging pile and a plurality of second charging piles, and the first charging pile is in communication connection with the plurality of second charging piles through a CAN bus; comprising the steps of obtaining output power of a plurality of second charging piles; according to the output power of the plurality of second charging piles, calculating the required power of the charging station; when the required power is greater than a preset power threshold value of the charging station, generating a first control instruction; and broadcasting the first control instruction to a plurality of second charging piles through a CAN bus. Therefore, the control of the output power of the charging pile is realized, the overload protection problem of the transformer is solved on the premise of not additionally adding hardware equipment, and the operation efficiency and the power supply reliability of the charging station are improved.

This invention discloses a multi-agent game-theoretic collaborative planning method for airport integrated energy systems under physical-information-market coupling. The invention constructs a physical-market coupling model of the interaction between the integrated building energy system and the smart grid; defines independent decision-making entities such as the smart grid, multiple integrated building energy system operators, and renewable energy providers, and their multi-period objective functions; divides the planning period into multiple stages, establishing a dynamic game framework considering long-term investment and short-term operational coordination; uses subgame refined Nash equilibrium as the solution objective, and solves the inter-agent game strategies through mathematical programming and equilibrium constraints, and multi-agent reinforcement learning algorithms; generates multi-period equipment investment time-series diagrams for multi-agent collaboration and outputs typical daily scheduling schemes. The advantages of this invention are that it solves the problem of multi-agent interest conflicts and long-term / short-term decision coupling in airport integrated energy systems, reduces total system cost and carbon emissions, avoids redundant investment, and improves the renewable energy absorption capacity.

This invention relates to the field of power grid management technology, specifically to a platform for energy consumption monitoring, analysis, and operation and maintenance of typical indoor substations in cold regions. The platform includes: an energy consumption change analysis module, an energy consumption cycle identification module, a power adaptability analysis module, a low-temperature impact assessment module, a fault risk identification module, and an equipment lifespan management module. This invention improves the accuracy of predicting power consumption trends and the speed of operational response by analyzing environmental data and energy consumption records of typical indoor substations in cold regions. By combining analysis of the relationship between temperature, wind speed, and energy consumption, it accurately predicts energy consumption changes and adjusts the power grid, matching seasonal and weather changes. Combined with real-time environmental data analysis, it improves the accuracy of assessing the impact of low temperatures in winter, optimizes the stability of the power system under extreme conditions, reduces losses caused by faults and unplanned outages, extends equipment lifespan, and improves operational efficiency.

This disclosure provides a method, apparatus, device, and storage medium for generating multimedia surgical records. The method includes: responding to a surgical procedure configuration command, matching a multimedia surgical record template; entering first surgical record information based on the multimedia surgical record template; responding to an image entry operation command, determining an image to be matched and generating image-related information based on the image to be matched to obtain second surgical record information; responding to a video entry operation command, generating video-related information to obtain third surgical record information; supplementing the third surgical record information based on the multimedia surgical record template to obtain fourth surgical record information, and uploading it to an electronic medical record. This achieves automatic template matching and text structuring, reduces multimedia insertion steps through intelligent parsing, supports rapid video editing within the system without the need for third-party tools, adds identifiers to all referenced resources for easy tracking and tracing, and improves record integrity and operational efficiency.

This invention relates to the technical field of emulsion explosive packaging, and more particularly to a processing device for emulsion explosives. A feeding pipe is located in the middle of the machine body, connecting to an external feeding device. A mounting plate is fixedly connected to the top of the machine body, and a cylindrical block is located at the bottom of the mounting plate. The lower end of the feeding pipe passes through the cylindrical block. Symmetrical sliding blocks are provided on the mounting plate, and clamping arc blocks are slidably connected to the sliding blocks. A bidirectional threaded rod is rotatably connected to the mounting plate, and the bidirectional threaded rod is threadedly connected to the sliding blocks. A dual-axis motor is mounted on the mounting plate, and the dual-axis motor is connected to the bidirectional threaded rod. This solution effectively solves the problem of powder splashing and scattering during existing powder bagging processes, ensuring the health of operators and meeting industrial production safety and environmental protection requirements. The dual-axis motor and bidirectional threaded rod drive the clamping arc blocks to clamp the pre-made bag opening, and in conjunction with a piston rod and air cylinder, inflates the airbag block, sealing the gap between the bag opening and the cylindrical block.

This invention discloses a spline-adaptive method for eliminating power frequency interference in surface electromyography (EMG) signals, within the field of EMG signal noise reduction technology. The method includes the following steps: frequency domain input vector generation and frequency domain spline adaptive filtering; power frequency interference elimination; construction of a semi-quadratic criterion cost function and filter coefficient update; iterative update, repeating the above steps until noise reduction is complete. This spline-adaptive method for eliminating power frequency interference in EMG signals employs a robust frequency domain implementation method to construct the spline adaptive noise reduction system, exhibiting good stability, high computational efficiency, and the ability to efficiently eliminate power frequency interference.

The utility model belongs to glass production equipment technical field discloses a kind of mother and daughter glass racks.Used to solve the problem of low space utilization of current glass rack.The mother and daughter glass rack includes mother glass rack and equal proportion reduced daughter glass rack, the bottom of the daughter glass rack is equipped with first pulley, the inside space of the mother glass rack is equipped with two parallel guide rails along the length direction of mother glass rack, and the daughter glass rack is slidably connected with guide rail by first pulley.The utility model changes the structure of original glass rack into mother and daughter glass rack, places large piece of glass on the mother glass rack, and places small piece of glass on the daughter glass rack.The daughter glass rack can move in the inside space of mother glass rack by cooperating with guide rail and first pulley, so as to make full use of the inside idle space of mother glass rack, and improve space utilization.

This utility model discloses an electric torque-controlled nut tightening tool, relating to the field of electric nut tightening technology. It includes a gun body, a gun barrel fixedly connected to one side of the gun body, a gun head rotatably connected to the side of the gun barrel away from the gun body, a lithium battery snapped into the lower side of the gun body, a switch movably connected to the side of the gun body away from the lithium battery, a retaining ring connected to one side of the gun barrel, and an installation mechanism on one side of the retaining ring. This utility model, employing the above structure, installs multiple positioning components on the gun barrel. The positioning suction cups in the positioning components can closely adhere to the workpiece surface, providing support to the gun body from three different directions. This eliminates the need for the worker's manual strength to maintain gun body stability, significantly reducing the probability of gun body wobbling during operation. This allows the gun head to quickly and accurately align with the nut to be installed, reducing alignment adjustment time caused by wobbling and improving overall operating efficiency.

The utility model discloses a kind of pipeline assembly, pipeline assembly includes pipeline, quick connector and protective sheet material.The one end of quick connector is connected with pipeline, the end face of the other end is quick insertion end face, and quick insertion end face has insertion port;Protective sheet material is bonded in quick insertion end face, and insertion port is closed.The pipeline assembly provided by the utility model is simple in assembly, and low in cost.