20results about How to "Safe and reliable" patented technology

The utility model relates to a curtain wall plate technical field especially easy combination type curtain wall plate of hidden mode, the utility model adopts the technical scheme: including curtain wall plate main body cooperation board, the upper and lower sides of curtain wall plate main body cooperation board are equipped with symmetrical arc shape outside, the left and right sides of curtain wall plate main body cooperation board are equipped with one symmetry and the integrated mounting combination cooperation column respectively, the upper and lower sides of mounting combination cooperation column are equipped with the opening to the outside of combination stable connection groove of upward and downward direction with curtain wall plate main body cooperation board connection position, the end face of combination stable connection groove near curtain wall plate main body cooperation board one side position coincides with the outside end face of curtain wall plate main body cooperation board left and right direction, the utility model has the advantages that: can be carried out comprehensive steady quick combination with the sliding slot on the curtain board or mounting assembly of cooperation position, the whole installation operation is more convenient, and the precision of connection position is higher, and the firmness is better, and the cooperation position has reliable anti -loose effect.

The utility model relates to electric power infrastructure technical field discloses a kind of movable temporary cable placing rack for electric power infrastructure, including placing frame, the outside of the placing frame is fixedly connected with jacking moving mechanism, the outside of the placing frame is fixedly connected with reinforcing anti-inclination mechanism, the jacking moving mechanism includes jacking box, the outside of the jacking box is fixedly connected in the outside of the placing frame, the inside of the jacking box is fixedly connected with fixed shaft, the outside of the fixed shaft is rotatably connected with down bar, the outside of the fixed shaft is rotatably connected with driven link. In the utility model, by down bar rotation, driven link, transmission link movement are driven, to make down seat press down, drive moving wheel to extend, thereby the effect of jacking up placing frame is realized, so that cable placing rack can be conveniently lifted when needing to move, facilitate position adjustment and quick installation in electric power infrastructure site.

The invention relates to a method for gripping a sheet metal component (1) having a plurality of spacing holders (2) which are produced in the sheet metal component (1) in a die-stamped manner and each have a mushroom head (20) with a circumferentially extending annular groove (21), wherein each spacing holder (2) is gripped by gripping means (30, 30a, 30b, 30c) of a gripping device (100) in such a way that one of the gripping means (30, 30a, 30b, 30c) respectively engages in the annular groove (21) of one of the spacing holders (2).

The utility model relates to the technical field of automobile parts, in particular to an automobile back row seat six-part folding unlocking structure which comprises a backrest, a seat, a rotating frame, a supporting frame and an unlocking assembly, and the unlocking assembly comprises a zipper box, a backrest zipper, a locking frame, a locking block, a rotating block, a seat zipper, a hoop and a lock bolt. When a user needs to turn over and fold the backrest and store the seat, the user presses a button in the zipper box, starts the backrest zipper, pulls the locking block, separates the locking block from the locking frame, unlocks the backrest, rotates and puts down the backrest, so that the backrest is folded on the seat, and drives the rotating block to rotate while rotating, so that the seat zipper is pulled, and the user can turn over and fold the backrest. When a user pulls the seat, the seat zipper acts to pull the hoop, the hoop leaves the lock bolt, the seat is unlocked, the user pulls the seat upwards to be close to one side of the rotating frame, the seat rotates around the supporting frame, then the seat is perpendicular to the supporting seat, the space of the trunk is communicated with the space of the back row in the automobile, and the space of the trunk of the automobile is enlarged.

The utility model provides a kind of exhaust pipe structure and rotatory compressor for rotatory compressor, comprising: exhaust pipe body, hole for connecting equalizing pipe is equipped on exhaust pipe body;Reinforcing structure, it is set on exhaust pipe body, reinforcing structure is used to increase the connecting length of hole and equalizing pipe.The utility model can increase the connecting length of exhaust pipe body and equalizing pipe, thereby increase the welding penetration of exhaust pipe body and equalizing pipe, guarantee welding quality, improve welding strength, thereby reduce the probability that the leakage at this welding place leads to compressor failure.

The application provides a medication guidance system and method based on knowledge graph and vector retrieval fusion, and relates to the technical field of artificial intelligence, comprising an application access layer, a service interface layer and a hybrid retrieval engine layer; the application access layer is used for receiving external demand information and transmitting the external demand information to a large model platform; the service interface layer is used for receiving a query instruction of the large model platform, transmitting the query instruction to the hybrid retrieval engine layer, and transmitting a retrieval result to the large model platform, so that the large model platform outputs the retrieval result; the hybrid retrieval engine layer is used for generating a graph database query statement and a query semantic vector according to the query instruction, performing a structured query on a graph database according to the graph database query statement, and performing semantic similarity retrieval on a vector database based on the query semantic vector, and generating a graph retrieval result and a vector retrieval result for the large model platform. Through the above medication guidance system, professional medication guidance can be realized.

The invention discloses an electric control anesthesia machine based on continuous basic flow velocity and a control method, the anesthesia machine comprises a turbine, a voice coil motor used for driving the turbine, a breathing circuit, a sensor group, a controller and a user operation interface, the breathing circuit comprises an inspiration branch, an expiration branch and a circuit connected with a patient; the controller is configured to control the voice coil motor to drive the turbine to continuously operate in the expiration stage of a patient, so that a preset basic flow rate is maintained in the breathing loop; the controller is connected with the sensor group, identifies autonomous inspiration trigger of a patient based on a monitoring signal of the sensor group, and controls the voice coil motor to drive the turbine to accelerate so as to carry out auxiliary air supply when effective trigger is identified; according to the anesthesia machine and method, a high-performance voice coil motor is adopted to directly drive a turbine, and an intelligent triggering algorithm based on net flow calculation is combined, so that maintenance of stable basic flow speed in the expiration period and millisecond-level rapid air supply response at the inspiration triggering moment are achieved.

The utility model relates to golf cart technical field especially relates to a kind of mechanical parking pedal assembly for golf cart.The technical scheme used in the utility model is: including main body support parking chassis, main body support parking chassis is formed by parking bottom plate, parking side plate and spacing clamping plate, parking bottom plate and the parking side plate form the structure of L-shaped side projection, spacing clamping plate is inserted into the connecting position by parking bottom plate and the parking side plate, parking side plate is provided with the first parking screw rod and the second parking screw rod of center shaft mutual parallel, the first parking screw rod and the second parking screw rod are fixed together with the parking side plate by fastening nut.The utility model has the advantages that: the use effect of self-unlocking foot rest parking is realized, step on pedal parking, again step on, parking is released, and independent parking cable is matched, can be matched with hydraulic disc brake, realizes four-wheel hydraulic disc brake mechanical parking function.

The present application relates to the technical field of characteristic gas detection and analysis, and discloses a chemical production and transportation safety monitoring method based on big data, which comprises the following steps: first, a fluid mechanics model is established according to the geometric parameters and the liquid filling state of a container, and the intrinsic time reference is calculated; then, the characteristic gas concentration sequence is collected at a preset sampling period, the positive transition event is identified, and the waiting time sequence is formed; the time turning point parameter is obtained by fitting a double segment distribution model, and the target monitoring parameter is calculated in combination with the intrinsic time reference; the relative offset parameter of the transportation process is obtained by taking the monitoring value of the loading and standing stage as the reference; when the offset parameter continuously meets the disposal condition for a set number of times, the alarm mechanism is triggered, and the accurate early warning and safety guarantee of abnormal gas release in the transportation process are realized.

The utility model relates to the technical field of centrifugal pump discloses a high pressure stable pump, including low pressure section, high pressure section, inlet and outlet water section, transition elbow and pump shaft, low pressure section, inlet and outlet water section and high pressure section are coaxial connection in pump shaft respectively, and inlet and outlet water section is located between low pressure section and high pressure section, and low pressure section is equipped with medium inlet, and inlet and outlet water section is equipped with medium outlet, and low pressure section communicates with the one end of transition elbow through inlet and outlet water section, and the other end of transition elbow communicates with the one end of high pressure section away from inlet and outlet water section, and high pressure section communicates with medium outlet, low pressure section is equipped with first rod body, and high pressure section is equipped with second rod body, and first rod body, second rod body and the extension direction of pump shaft are same, and low pressure section is connected with inlet and outlet water section through first rod body, and high pressure section is connected with inlet and outlet water section through second rod body, the high pressure stable pump of the utility model avoids the deviation caused by assembly error, improves assembly positioning accuracy, improves assembly coaxial degree, reduces vibration and abrasion and ensures the reliable and safe operation of multistage pump.

The invention discloses a visual device and method for detecting a vehicle body offset vector. The device comprises a fixing assembly, a control assembly and a detection assembly, wherein the control assembly and the detection assembly are fixedly mounted on the fixing assembly; the fixing assembly comprises a support, and the support is fixedly connected to the ground through a base anchor. According to the invention, the problem of inaccurate positioning of the vehicle body in the prior art is solved.

This invention proposes a lightweight cross-domain authentication method for drones that integrates a reputation assessment mechanism, belonging to the field of drone communication security technology. It solves the technical problems of high resource overhead and vulnerability of the reputation assessment mechanism to attacks in traditional drone cross-domain switching authentication schemes. The technical solution includes the following steps: S1, system initialization; S2, initial authentication between the drone and the domain authentication server; S3, the domain authentication server assesses the reputation of authenticated drones within the domain; S4, the domain authentication server issues cross-domain credentials to authenticated drones within the domain; S5, the drone completes cross-domain switching authentication from the source domain authentication server to the target domain authentication server; S6, the trusted center traces and revokes the credentials of malicious drones. This invention achieves low overhead, high security, and supports malicious node tracing.

This invention relates to a calibration device, specifically a calibration device suitable for a level wheel alignment measuring instrument and a portable brake performance tester. The calibration device for level wheel alignment measuring instruments and portable brake performance testers includes a base, a frame erected on the base, a rotating shaft mounted on the frame, a detection turntable connected to the rotating shaft, a drive device for driving the rotating shaft to rotate, an angle encoder mounted on the rotating shaft, and a detection display system electrically connected to the angle encoder. This invention uses a bidirectional (lateral and longitudinal) fixed detection table as the support mechanism for the measuring and testing instruments. An angle is rotated via a rotating mechanism and detected by the angle encoder and detection display system, thereby quickly and accurately calibrating the level wheel alignment measuring instrument and the portable brake performance tester.

This utility model relates to a heavy-duty double-mounted double-suspension excavator undercarriage tilting device, including a base component, a column component, a lifting component, and a clamping arm component. The base component is installed in the factory pit, the column component is installed on the equipment base, the lifting component and guide wheels are installed together on the column component, and the clamping arm component is installed on the lifting frame for clamping the undercarriage to hold the workpiece. The base component includes a base body. Through the base component, column component, lifting component, and clamping arm component, the fully automatic tilting of the excavator undercarriage is realized. It is driven by an SEW motor reducer and hydraulic cylinders, the limit switch controls the extreme stop position of the device, and the pull rope encoder controls the working stop position of the device. The entire device operates smoothly, and the device positioning is accurate and rapid. It also adopts multiple safety protection measures such as mechanical blocking and sensors, and the safety performance is reliable.

This application relates to the field of power system emergency control technology, specifically to a method and system for generating rolling clearing schemes for post-disaster distribution network recovery. The method includes: acquiring real-time data of the distribution network; constructing a context feature vector for the current moment, inputting it into a pre-trained decision generation network for forward inference, and outputting a preliminary clearing decision within a rolling window; using a pre-trained physical feasibility discrimination network to perform security verification on the preliminary decision; if the confidence level is lower than a threshold, correcting it through linear projection to obtain the final clearing decision; issuing and executing the first step instruction in the final clearing decision, and then rolling the decision time to the next time step for cyclical execution. The decision generation network and the discrimination network are co-trained using a simulation dataset, which is generated by solving a single-leader-multiple-follower model reconstructed from a post-disaster recovery single-layer mixed integer linear programming model. This invention enables dynamic closed-loop adjustment and rapid generation of post-disaster recovery schemes.

This utility model discloses a seepage-proof reinforcement structure for tailings dam drainage culverts, including a drainage culvert body. Inside the drainage culvert body are individually assembleable thin-walled steel pipe sections, with grouting ports pre-installed between the thin-walled steel pipe sections and the drainage culvert body. The upper half of the thin-walled steel pipe sections has a reinforced mesh formed by longitudinally and transversely welded No. 8 threaded steel bars. The bottom of the thin-walled steel pipe sections has circumferentially arranged retractable rollers. A socket-type rubber connector is wrapped around the ends of the thin-walled steel pipe sections. The socket-type rubber connector has a pre-fabricated pressure-bearing elastic self-locking buckle at the end of the thin-walled steel pipe section, along with a matching pressure-bearing elastic self-locking buckle latch. This utility model provides initial reinforcement of the original drainage culvert by setting multiple assembleable thin-walled steel pipe sections inside the drainage culvert, followed by reinforcement and seepage control through grouting. This significantly reduces internal construction work and improves construction safety.

The embodiment of the invention provides an inertia probability prediction method and device, and the method comprises the steps: constructing a comprehensive feature set containing basic operation features and real-time dynamic features, and enabling the comprehensive feature set to serve as the input of a prediction model; constructing a mixed risk objective function fusing an economic cost item, a decision risk cost item and a physical safety penalty item, wherein the mixed risk objective function is used for training a prediction model; and training a probability prediction model by adopting a risk-guided probability modeling method based on the mixed risk objective function so as to generate inertia probability distribution of the embedded decision risk and the security constraint. Through a risk-guided probability modeling method, complete probability distribution of the embedded decision preference and the security boundary is generated, so that the statistical accuracy of prediction is improved, and the prediction robustness in an extreme risk scene is ensured; and a more reliable inertia uncertainty description which better meets the decision demand is provided for fine scheduling and security defense of the power system in a new energy high-permeability environment.

This utility model relates to the field of control valve technology, and in particular to a durable and easy-to-maintain disc valve. The technical solution adopted by this utility model is as follows: it includes a valve body main frame structure with a square cross-section, formed by welding stainless steel plates. A ring of reinforcing support ribs with a grid pattern is provided on the outer side of the valve body main frame structure. A main valve body channel with a square cross-section is formed inside the main valve body channel. A sealing combination support seat is provided on the left side of the main valve body channel. A conical structural surface is provided on the lower left side of the sealing combination support seat. A spherical valve mating groove is provided on the right side of the sealing combination support seat, and a disc-shaped main valve structure is fitted within the spherical valve mating groove. The advantages of this utility model are: the inclined disc-shaped valve body provides stronger load-bearing capacity during use; the spherical surface used for valve mating provides more reliable safety during use; higher control efficiency; and greater durability.

The utility model discloses a multi-stage moisture-proof safe electrical installation cabinet, which is characterized in that a cabinet body is connected with a cabinet door, and two opposite sides of the cabinet body are respectively provided with an inner ventilation opening; the two protection side covers are connected to the two opposite sides of the cabinet body respectively and provided with outer ventilation openings located below the inner ventilation openings, ventilation cavities are formed in the sides, close to the cabinet body, of the protection side covers, the upper portions and the lower portions of the ventilation cavities communicate with the inner ventilation openings and the outer ventilation openings respectively, and a first dehumidification module and a second dehumidification module which are distributed up and down are arranged in the ventilation cavities. The first dehumidification module comprises a plurality of inclined flow guide plates, a flow guide channel is formed between every two adjacent inclined flow guide plates, the second dehumidification module comprises a plurality of condensation vertical plates, a condensation channel communicated with the flow guide channel is formed between every two adjacent condensation vertical plates, and a drainage hole is formed in the bottom of the protective side cover. The power distribution cabinet is reliable in waterproof and dustproof performance, reliable in safety performance, good in heat dissipation performance, energy-saving, environment-friendly, moisture-proof and low in operation cost.