277results about How to "Guaranteed smooth progress" patented technology

The invention discloses an intelligent online monitoring device for a transformer, and relates to the technical field of transformers. The intelligent on-line monitoring device for the transformer comprises a front-end acquisition layer, a data transmission layer, a data processing and analysis layer, a cloud monitoring and management layer and an emergency response layer, through the deployment of the high-precision sensor network and the edge computing nodes, the system can accurately collect and process the operation data of the transformer in real time, and the monitoring accuracy and efficiency are improved. And secondly, the data transmission layer adopts a self-adaptive communication protocol and a data encryption technology, so that real-time and reliable transmission and security protection of the data are ensured, and meanwhile, traceability and tampering prevention of the data are realized by utilizing a block chain technology. In the data processing and analysis layer, the system realizes intelligent early warning and continuous optimization of transformer data through an integrated learning and deep learning model, and improves the accuracy and reliability of early warning. And the emergency response layer is arranged, so that the system can quickly respond to faults.

The invention relates to the field of micro-grid abnormity alarm, in particular to a power grid topology abnormity alarm data processing method and system based on multiple converters. The method comprises the following steps: identifying microgrid converter nodes based on a microgrid converter cluster, and obtaining microgrid historical converter node state parameters; performing deep representation association mining on the historical converter node state parameters of the micro-grid, and constructing a node dynamic monitoring characteristic spectrum; node topology connection logic mining is carried out on the microgrid converter nodes one by one, global topology structure fitting is carried out, and a microgrid global topology structure model is constructed; performing characteristic track deviation quantitative calculation on the micro-grid global topological structure model by utilizing the node dynamic monitoring characteristic spectrum so as to obtain an abnormal dynamic state characteristic track; and performing routine node filtering based on the abnormal dynamic state feature trajectory to obtain abnormal topological feature nodes. According to the invention, efficient and accurate microgrid topology abnormity alarm is realized.

The invention relates to the technical field of ship lock slope monitoring, in particular to a ship lock slope displacement monitoring and early warning method and system based on hull operation influence. The method comprises the following steps: carrying out ship lock slope multi-source data real-time acquisition on ship lock slope area nodes to obtain real-time ship lock slope multi-source displacement factor data; ship lock slope displacement prediction processing is carried out based on the real-time ship lock slope multi-source displacement factor data, and ship lock slope displacement prediction data is generated; based on the ship lock slope displacement prediction data, time sequence space evolution trend analysis and time sequence space evolution trend analysis of ship lock slope displacement are carried out, and space-time evolution ship lock slope deformation data are generated; and performing ship lock slope displacement monitoring and early warning state evaluation processing based on the space-time evolution ship lock slope deformation data to generate ship lock slope displacement monitoring and early warning state evaluation data. According to the ship lock slope displacement monitoring system and method, accurate monitoring of ship lock slope displacement is achieved by analyzing multiple factors related to the ship lock slope.

The utility model relates to an ecological seawall structure, which belongs to the technical field of bank protection engineering and comprises a seawall foundation, the seawall foundation comprises a slope top and a slope body, and a retaining wall structure is arranged at the joint of the slope top and the slope body. An arc-shaped wave dissipation ridge is arranged at the position, spaced by a certain distance from the retaining wall structure, of the top end of the slope body, a cushion layer is laid at the position, located between the arc-shaped wave dissipation ridge and the retaining wall structure, of the top end of the slope body, and the cushion layer comprises a dry stone cushion layer and a broken stone cushion layer which are sequentially arranged from top to bottom. A first block stone cushion layer is laid at the position, located on the side, away from the retaining wall structure, of the arc-shaped wave dissipation ridge, of the top end of the slope body, extends to the bottom of the slope body and further extends outwards to be connected with a second horizontal block stone cushion layer, and a first concrete retaining wall is arranged at the joint of the first block stone cushion layer and the second block stone cushion layer. The accropode is laid at the top end of the second block stone cushion layer and located on the outer side of the first concrete retaining wall. The safety of the seawall can be effectively guaranteed, and the stability of the seawall structure is guaranteed.

The invention discloses a shield forming tunnel form data processing system and method, and relates to the technical field of tunnel data processing. The shield forming tunnel form data processing method specifically comprises the following steps: S1, collecting and preprocessing data of a plurality of sections in a shield forming tunnel; s2, calculating the offset of the center of each segment; s3, continuously measuring and analyzing a deformation trend; s4, predicting offset change by using a linear regression model; s5, predicting the final offset of the duct piece by using the trained model; the removed abnormal values are recorded and analyzed, so that abnormal factors of segments in the tunnel can be screened, potential problems can be found and solved in time, further deterioration of the problems is prevented, and safety and stability of the tunnel are ensured; the deformation is calculated and the deformation trend is analyzed by using a time sequence, so that the deformation trend can be found in time, a subsequent detection plan can be formulated, the deformation problem can be found and processed in time through continuous monitoring, and the stability and the safety of the tunnel are ensured.

The utility model provides an aluminum plate spray coating device, which relates to the technical field of aluminum plate coating and comprises a fixing plate, a support plate and a spray coating mechanism, a guide rod is fixedly mounted on the inner wall of a groove, a spring and a slider are respectively sleeved on the outer wall of the guide rod, a first cleaning roller is rotatably mounted on one side of the slider, and a second cleaning roller is rotatably mounted on the other side of the slider. A second cleaning roller is rotationally mounted between the two supporting plates and below the first cleaning roller; a plurality of suction cups are evenly installed on the outer wall of the conveying belt, one end of one conveying roller penetrates to one side of one supporting plate and is fixedly connected with a servo motor, and the servo motor is fixedly installed on one side of the supporting plate. According to the aluminum plate coating device, dust on the two faces of an aluminum plate is removed, the cleanliness of the aluminum plate can be guaranteed, the coating quality of the aluminum plate can be improved to a certain degree, meanwhile, the aluminum plate can be driven to move forwards stably, coating liquid in the barrel is stirred, the coating liquid can be prevented from being precipitated, and the coating quality of the aluminum plate can be improved.

The invention relates to the technical field of asphalt concrete paving, in particular to a large-thickness paving device for large-particle-size permeable asphalt concrete.The large-thickness paving device comprises a box body, the bottom of the box body is obliquely arranged, a shell is fixedly installed at the rear end of the box body, and a rectangular hole communicating with the interior of the shell is formed in the side wall of the box body; a rotating shaft is horizontally and rotatably installed in the shell, auger blades are symmetrically and fixedly connected to the rotating shaft in a sleeving mode, a plurality of discharging openings communicated with the interior of the shell are formed in the lower surface of the shell, a driving shaft is rotatably installed at the upper end of the shell, and a driving motor is fixedly installed at the upper end of the shell. An output shaft of the driving motor is fixedly connected with the driving shaft, and a transmission assembly used for driving the rotating shaft to rotate is arranged on the shell. Due to the arrangement of the multiple discharging openings, asphalt concrete can be uniformly paved on a pavement, after the pavement is ironed and compacted, the compactness and flatness of the pavement are guaranteed, and the overall quality of the pavement is effectively improved.

The invention relates to the technical field of torque calculation, in particular to a torque adaptability regulation and control method and system for an electric power-assisted bicycle, and the method comprises the steps: receiving a torque regulation instruction, starting a system regulation unit based on the torque regulation instruction, collecting a side-sway angle and a side-sway angular velocity, calculating transmission delay, and if the transmission delay is not in a delay range, starting the system regulation unit; if the transmission delay is within the delay range, screening the transmission data packet set to obtain a standard data packet set and an over-limit data packet set, adjusting the over-limit data packet set to obtain an adjusted data packet set, and obtaining an integrated data packet set based on the standard data packet set and the adjusted data packet set; and if not, calculating an external interference estimated value, calculating a side-sway angular acceleration by using the external interference estimated value, calculating a side-sway torque and an offset torque, calculating a regulation and control torque according to the side-sway torque and the offset torque, and completing torque adaptive regulation and control according to the regulation and control torque. According to the invention, the regulation and control speed and accuracy of torque adaptive regulation and control can be improved.

A coal slime flotation process control method based on a distributed pyramid dynamic Bayesian network comprises the steps that the coal slime flotation process is divided into three sub-processes, a global quality index variable and a local quality index variable are determined, and a global dynamic Bayesian network is established; key variables in the sub-processes are determined, correlation among the variables is analyzed, and process time delay in each process is determined; determining the number of time slices of the first layer of dynamic Bayesian network; performing structure learning, and establishing a network structure of a first layer of the model; combining the same nodes of adjacent time slices into one node, and constructing a second-layer dynamic Bayesian network structure; bayesian network parameter learning is carried out; actual working condition data information is collected, and when an abnormal working condition occurs, a sub-process causing abnormity is determined; a local pyramid dynamic Bayesian network is utilized to determine a root cause causing an abnormal working condition; making a control decision scheme according to the abnormal reasons, and eliminating abnormal working conditions; the method can eliminate abnormal working conditions in time.

The utility model discloses a carrying module which comprises a carrying table and an X-axis electric sliding rail, the X-axis electric sliding rail is transversely erected at the top end of the carrying table, an X-axis sliding seat is assembled at the top end of the X-axis electric sliding rail, and a carrying plate is fixedly connected to the top end of the X-axis sliding seat. According to the carrying module, the vacuum and vacuum breaking electromagnetic valve system is arranged and covers the processes of vacuum generation, negative pressure monitoring, vacuum breaking (positive pressure gas is supplied to a suction cup cavity while a vacuum generator is closed) and the like, when the vacuum and vacuum breaking electromagnetic valve system is started, a vacuum suction cup is tightly adsorbed to the surface of a screen, and the screen is sucked in a suspended mode; the screen can be stably carried, damage caused by clamping is avoided, clamp design and assembly are reduced, the size and the position of the vacuum suction cup can be adjusted, suction force of the vacuum generator can be set, safety, stability and flexibility of the screen in the carrying process are guaranteed, and the problem that the screen needs to be carried with a clamp for carrying is solved.

The integrated forming welding device comprises a fixed base, a top plate is arranged at the top end of the fixed base, a first vertical plate is fixedly installed on one side of the top end of the fixed base, and a second vertical plate is fixedly installed on the other side of the top end of the fixed base; a lifting mechanism is fixedly mounted at the top end of the fixed base, a connecting table is mounted at the top end of the lifting mechanism, a clamping mechanism is fixedly mounted at the top end of the connecting table, and welding mechanisms are fixedly mounted at the top end of one side of the first vertical plate and the top end of one side of the second vertical plate correspondingly. When products placed on the connecting table are different in thickness, the lifting air cylinder pushes the connecting table from the bottom, the placing height of the products is adjusted, a welding head makes contact with the surfaces of the products conveniently for welding machining, the traditional mode that welding is conducted after the height of the welding head is adjusted is replaced, and the welding efficiency of the welding device is improved.

The invention discloses a vehicle-mounted protective cover control method and related equipment, and relates to the technical field of vehicle equipment.The method comprises the steps that in response to a protective cover opening instruction, a first cover door is opened; when the first cover door is opened to a first preset angle, the second cover door is opened; when the first cover door and the second cover door are both opened to be larger than or equal to a second preset angle, the protective cover body is opened, and the second preset angle is larger than the first preset angle; in response to the protective cover closing instruction, performing closing operation on the protective cover body; when the cover body is closed to a preset closing position, the second cover door is closed; and when the second cover door is closed to a third preset angle, the first cover door is closed. The opening or closing sequence and angle of the cover door are accurately controlled, a new synchronous control strategy is provided, and the beneficial effects of avoiding conflicts, protecting the sealing covered edge, improving the operation safety and the like are achieved while stable movement of the protective cover is guaranteed.

The invention relates to the technical field of electric power fittings, in particular to an electric power fitting for a strain clamp, which comprises a U-shaped rod, two threaded parts and a mounting part, the outer wall of each threaded part is in threaded connection with a clamping lock part, and the inner wall of each clamping lock part is in sliding connection with the mounting part. The thread block is screwed with the help of a tool, through the anti-falling assembly and the safety mechanism, the first impact block can collide with the anti-falling blocks at the two ends in the upward moving process, and when the thread block moves to the end of the thread groove and the anti-falling blocks are overturned to the maximum angle and located in an outer cavity of the installation component, the disassembled clamping locking piece cannot directly fall off from the high altitude; the stability and safety of an electric power circuit are improved, two L-shaped blocks penetrate through a transverse groove and limit and support the bottom end of the clamping locking piece in a normal use scene of the electric power fitting, the clamping locking piece is effectively prevented from being accidentally loosened due to vibration in an electric power environment, the safety and stability of an electric power connection point are ensured again, and the service life of the electric power fitting is prolonged. And a solid guarantee is provided for reliable operation of a power system.

The invention relates to the technical field of freight processing systems, and discloses a digital freight processing settlement system and a settlement method thereof. And the management module is in bidirectional communication connection with the user interface module, the order management module, the abnormity management module, the cost simulation module, the freight settlement module and the data analysis module, and is used for managing data information generated in the operation process of the system and carrying out corresponding system parameter setting and interface management according to each account permission. The freight calculation unit performs freight calculation according to a clear calculation formula and a rate table, supports the calculation of special fees such as overtime waiting fees, highway fees and bridge passing fees, and provides a detailed list of fees, so that a cargo owner and a driver can clearly know the source and calculation basis of each fee, thereby avoiding fee disputes and improving the efficiency of the system. And the smoothness in the freight processing process is improved.

The invention provides a diaphragm with an active coating for a battery and a preparation method of the diaphragm. The diaphragm is composed of a diaphragm substrate and a composite coating coated on the substrate, the composite coating comprises an outer coating and an inner coating, wherein the outer coating contains N-methyl-N-propyl pyrrolidine bis (trifluoromethanesulfonyl) imide, and the inner coating contains any one or more of polyacrylic acid, a metal organic framework compound, modified boehmite, polyvinylidene fluoride and polymethyl methacrylate. The N-methyl-N-propyl pyrrolidine bis (trifluoromethanesulfonyl) imide salt is coated on the diaphragm, so that the thermal stability and the ionic conductivity of the diaphragm can be enhanced, the internal resistance of the battery is reduced, the charge-discharge efficiency of the battery is improved, the cycle life of the battery is prolonged, and meanwhile, the potential harm to the environment is relatively small. The N-methyl-N-propyl pyrrolidine bis (trifluoromethanesulfonyl) imide salt has good compatibility with the electrolyte of the lithium ion battery and is not easy to generate chemical reaction, so that the performance stability and the safety of the battery are ensured.

The utility model relates to the technical field of forge pieces, and discloses a flexibly assembled forge piece which comprises a steel pipe, a plurality of clamping blocks are fixedly connected to the left side and the right side of the outer wall of the steel pipe, a mounting frame is arranged on the right side of the outer wall of the steel pipe, fixing frames are fixedly connected to the four sides of the outer wall of the mounting frame, and gears are rotationally connected to the left sides of the inner walls of the fixing frames. The inward sides of the outer walls of the gears are engaged with gear rings, mounting assemblies are arranged at the right ends of the gears, a rotary knob is rotationally connected to the right side of the inner wall of the fixing frame on the front side, and a limiting assembly is arranged on the left side of the outer wall of the rotary knob. According to the utility model, the steel pipes are connected together without welding, so that the operation is simple, the disassembly and recombination of the steel pipes are convenient, the operation time is reduced, the working efficiency is improved, the looseness of the steel pipe joints caused by the movement of the limiting structure can be avoided, and the relative position of each part of the structure can be ensured to be fixed and stable; the device stability is improved.

The invention relates to the technical field of laser welding, in particular to an intelligent integrated laser welding machine which comprises a welding machine body, a welding platform located on the welding machine body and a strip table arranged on the peripheral side of the welding platform, and the strip table is flush with the surface of the welding platform. The welding device comprises a welding platform, a strip table arranged on the welding platform, two sets of fixed point parts arranged on the strip table in a mirroring mode and located on the two sides of the welding platform correspondingly, two sets of pressure stabilizing assemblies arranged on the two sets of fixed point parts correspondingly, a suction connecting mechanism arranged on one set of pressure stabilizing assembly, and a suction connecting mechanism arranged on the other set of pressure stabilizing assembly. According to the grinding device, workpiece placing, fixing and follow-up grinding treatment are integrated, the effect diversification is improved, the operation and machining process is more convenient, the actual use experience is effectively improved, automatic control is adopted in multiple positions, and the machining efficiency is improved. The intelligence and the accuracy of each work in the machining process are improved, and the machining effect is integrally optimized.

The utility model relates to the field of construction safety, concretely relates to a kind of for safety belt collocation multi-point adsorption type safety fixing device, including main frame, sucking disc, pressure outlet, pressure ware, power, connecting buckle, connecting rope, hook, alarm, the sucking disc evenly distributes in the bottom of the main frame, the pressure outlet is set in the side of one vertex of the main frame, the connecting buckle is set in the front of the main frame, the connecting rope connects the connecting buckle and hook, the pressure ware is set in the main frame and is connected with the sucking disc, the power is electrically connected with the alarm, pressure ware, after sucking disc and adsorption operating surface contact, the pressure ware empties the gas in the sucking disc by the pressure outlet. The adsorption, illuminating property, convenience, safety of the device provide better security guarantee for the safety of worker in construction site, more convenient in construction process, improve the safety index of construction site.

The invention discloses a remote monitoring system for intelligent information of facility agriculture, which specifically relates to the technical field of intelligent agricultural monitoring, and comprises a microclimate monitoring module, a microclimate comprehensive analysis module, a soil microorganism monitoring module, a microorganism evaluation module and a remote management module; the microclimate monitoring module collects microclimate data in a greenhouse and forms a data set; the comprehensive analysis module performs deviation analysis on the microclimate data and determines whether to trigger an evaluation mechanism; the soil microorganism monitoring module collects microbial activity data in real time; the microorganism evaluation module performs quality evaluation when the evaluation mechanism is triggered and generates a quality evaluation value; the remote management module accesses data through a network and determines whether to issue an abnormal warning according to the evaluation value; the invention can issue an alarm in time at an early stage when the microbial activity is too high or too low, so that managers can take appropriate intervention measures to ensure the balance and stability of the soil environment, thereby improving the overall production efficiency of crops.

The invention discloses a method and a system for planning an orbital task of a maneuvering satellite, and belongs to the field of spaceflight simulation analysis. The method comprises the following steps: creating a planning task and setting basic parameters of a maneuvering satellite; setting basic parameters of a target satellite and a general control center position point; maneuvering analysis is carried out with maneuvering satellite parameters, target satellite parameters and the position point of the master control center as constraints, and a task time window meeting the constraints is obtained; after the task time window is determined, an orbital maneuvering multi-strategy algorithm is called for calculation to obtain a maneuvering mode and a maneuvering parameter list of the maneuvering satellite arriving at the task point; and finally, entering a planning event processing module, sorting events according to time, judging whether impact events exist or not, and outputting a planning task success / failure state. The general control center evaluates the fuel remaining amount in real time based on a fuel formula and supports a user to dynamically formulate and issue an orbital transfer scheme, and integrated planning of maneuvering satellite task window calculation, maneuvering strategy selection and safety check is achieved.

The invention discloses a power grid dispatching knowledge extraction method and system, and the method comprises the steps: obtaining a first parameter of a target power dispatching system, and carrying out the first preprocessing of the first parameter, and obtaining a second parameter; establishing a first entity recognition model according to the second parameter; establishing a second joint model according to the first entity recognition model in combination with a preset integration rule; and performing target power grid dispatching knowledge extraction according to the second joint model. By constructing an efficient and intelligent power grid dispatching knowledge extraction method, the intelligent level of a power grid dispatching system is improved, and the safety and stability of power grid operation are ensured.

The invention discloses a mobile bearing device of a nondestructive testing X-ray machine, which comprises a vehicle body, a first sliding groove is fixedly connected above the vehicle body, a starting column is rotatably connected to one side of the first sliding groove, a bottom plate is rotatably connected to one end of the starting column, an inclined spring is arranged above the bottom plate, and a sliding groove plate is fixedly connected to the top end of the inclined spring. A sliding matching block is slidably connected to the upper portion of the sliding groove plate, a splitting plate is fixedly connected to the upper portion of the sliding matching block, a fixing rope is fixedly connected to one end of the splitting plate, a second pawl and a ratchet wheel are arranged on the grip, the grip is manually operated to enable the second pawl to push the ratchet wheel to rotate, and locking of the ratchet wheel is achieved through the first pawl. And the inclined spring arranged at the bottom of the sliding groove plate can provide a damping effect, shaking of the X-ray machine in the moving or working process is reduced, and the precision and safety of the X-ray machine are protected.

This utility model relates to the field of cleaning equipment technology and discloses a suction-type leaf shredder, including a suction frame body with two suction nozzles. From bottom to top, each suction nozzle has a shredding mechanism, a fine shredding mechanism, a flow guiding mechanism, and an anti-fall mechanism. The shredding mechanism includes a gear motor mounted on the outside of the suction nozzle. A cutter shaft is fixedly connected to the output end of the gear motor, and the end of the cutter shaft away from the gear motor is rotatably connected to the inner wall of the suction nozzle. Multiple cutter sleeves are arranged on the outside of the cutter shaft. Through the cooperation of a compression plate and the shredding mechanism, the leaves are pre-compressed after being sucked in, effectively reducing the leaf volume and providing a more compact leaf accumulation for the subsequent shredding process. This avoids low shredding efficiency due to loose leaf volume, ensuring preliminary shaping and compaction of the leaves before entering the shredding area, and significantly improving shredding efficiency.

The utility model discloses an ecological restoration monitoring sensor belongs to ecological restoration technical field, and its technical scheme main points are including spherical casing, be provided with sampling mechanism in the spherical casing, the sampling mechanism is taken sample to the spherical casing, be provided with the supporting leg on the spherical casing, be provided with stabilizing piece on the supporting leg, the stabilizing piece includes the moving ring, the moving ring with the supporting leg position corresponding place fixedly connected with the plug -in rod, the end of plug -in rod is provided with the sharp cone, the diameter of sharp cone is greater than the diameter of plug -in rod, be provided with the insertion hole on the plug -in rod, the insertion hole is inserted with the bolt. This kind of scheme can improve the stability when the device samples, ensure the stability and accuracy of sampling.

The invention relates to the technical field of building formworks, in particular to an assembly type dense rib formwork installation construction method and a dense rib formwork hoisting structure, and the construction method comprises the following steps that firstly, a needed formwork supporting structure is erected; secondly, needed formwork bodies are pre-assembled on the ground or a floor, multiple sets of formwork assemblies are formed, and each set of formwork assembly comprises a row of formwork bodies or multiple rows of formwork bodies which are connected into a whole; and thirdly, the multiple sets of formwork assemblies are sequentially hoisted to the position where installation is needed from the ground or the floor through hoisting equipment and a hoisting tool, and every two adjacent sets of formwork assemblies are connected into a whole. According to the method, the formworks are pre-assembled, the multiple sets of formwork assemblies are sequentially hoisted through the hoisting equipment and the hoisting tool, workers do not need to assemble the formwork assemblies one by one at the high position, the high-altitude operation amount is reduced, safety is improved, efficiency is greatly improved, and the modern assembly type construction requirement is met.

The utility model belongs to the technical field of conductive silver paste performance detection equipment, and particularly relates to a closed low-temperature sintered silver paste impedance value detector. Wherein a fresh air inlet and a return air inlet are formed in the detection machine protection body, the purification constant-temperature system is communicated with external air, the return air inlet and the fresh air inlet, and the fresh air inlet and the return air inlet are communicated with the interior of the detection machine protection body; a temperature sensor, a humidity sensor, a resistance meter and a Z-direction displacement mechanism are arranged in the detector protection body; the transverse X displacement mechanism is arranged on the actuator support, the longitudinal Y displacement mechanism is arranged on the transverse X displacement mechanism in a matched mode, and the resistance probe is connected to the bottom of the longitudinal Y displacement mechanism through the pressure detection switching chuck. The resistance value probe is electrically connected with the resistance meter; the pressing self-locking mechanism is arranged on the Z-direction displacement mechanism; in a closed environment, the environment stability is ensured by means of an air purification constant-temperature system, intelligent whole-process control detection is realized through automatic clamping and detection, and rapidness, high efficiency and accuracy are ensured.

The invention discloses a large-current bus plugging device and a bridging method for a mobile energy storage electrical box, and relates to the field of cable plugging, and the bus plugging device comprises a plugging control end which is used for abutting an energy storage electrical box, obtaining power supply and operation data access collection authority after the energy storage electrical box is connected, and controlling the start and stop of each functional module and functional unit; the data acquisition unit is used for acquiring image data and power supply data of a bus power supply network and an access point in real time, and periodically packaging and submitting a data set; the exception analysis module is used for carrying out threshold comparison on the submitted data set and a preset standard data set, identifying exception factors exceeding a threshold and outputting an exception factor set; through analysis based on power supply demands and bridging capability score data, the score analysis of constructors, tools and environments ensures that electrical bridging is performed under appropriate conditions, the overall efficiency and safety are improved, the availability of multiple bus contacts is intelligently evaluated, and the optimal selection is recommended.

The utility model discloses high-strength anti-theft access control equipment for an access control system, and relates to the field of building anti-theft door access control. The door control host comprises the mounting mechanism, the mounting mechanism comprises the mounting frame, the outer surface of the mounting frame is provided with the movable groove, the door control host can stably work at different heights by arranging the baffle and the anti-pinch mechanism, and the mounting mechanism provides stable and adjustable support, so that the safety of the door control host is improved, and the safety of the door control host is improved. The height is automatically adjusted through a motor and a lead screw, the requirements of different users are met, the stability and safety of movement of the access control host are ensured through the design of a movable groove and a baffle, the problem of jamming or deviation is avoided, meanwhile, the situation that the hands of the users are inserted into the mounting mechanism is avoided, and the hand clamping prevention mechanism adopts a flexible piece made of rubber, so that the safety of the users is improved. The risk that a user is pinched in the moving process of the access control host is effectively prevented, and the potential safety hazard that fingers of children are possibly pinched in the prior art is directly solved.

The utility model relates to unmanned aerial vehicle detection technical field especially, it relates to a steel structure unmanned aerial vehicle detection device, including detection platform, the surface of detection platform places unmanned aerial vehicle, the surface fixed connection of unmanned aerial vehicle has detection device, the inside buffering assembly of detection platform is provided with, buffering assembly includes device groove, the utility model discloses through the setting of detection platform and buffering assembly, when unmanned aerial vehicle landing, its impact kinetic energy can drive landing plate compression first spring to high -efficiently convert the elastic potential energy of spring for the impact force, realize smooth buffering, this process can effectively attenuate the instantaneous impact that unmanned aerial vehicle and detection device bear, greatly promoted the landing security, after the end of buffering, the device can lock quickly, provides a stable rigid platform for subsequent detection task.

The utility model discloses a salt feeding device for heparin sodium, which relates to the technical field of organic chemical processing equipment, solves the technical problem that quantitative feeding and uniform stirring of raw materials cannot be realized in the prior art, and comprises a main base, and a liquid feeding structure is fixedly mounted on the upper wall surface of the main base. The salt conveying structure comprises a main base, a salt conveying pipe is fixedly installed on the upper wall face of the main base, a main shaft is rotationally installed in the salt conveying pipe, auger blades are fixedly installed on the main shaft, a salt conveying driving structure is arranged on the salt conveying pipe, and a salt storage bin is fixedly installed on the main shaft and the main base. Through the stirring effect of the auger blades, quantitative and uniform conveying of salt materials can be achieved, the salt hydrolysis efficiency is improved, the quality and stability of final products are ensured, the liquid storage pipe can assist in adding a needed solution in the salt hydrolysis process, the salt storage bin can store a large number of raw materials, the number of manual operation times is reduced, and the production efficiency is improved.