15results about How to "Stable reliability" patented technology

This utility model discloses a flexible pin connector, including a plug housing, a plug insulator inside the plug housing, a pin mounting hole in the plug insulator, and a flexible pin installed in the pin mounting hole. The flexible pin includes a central body portion, a front spring portion extending from the front end of the central body portion, and a rear crimp portion connected to the rear end of the central body portion. The rear crimp portion is connected to a solder pin or cable. The central body portion and the pin mounting hole are connected by an interference fit. This utility model's flexible pin connector has significant advantages. The interference fit between the flexible pin and the rigid socket enables miniaturization. It features low insertion and extraction force, reliable contact, and a double spring structure that ensures high mechanical life and durability. It exhibits stable performance under high-speed vibration and impact, making it widely applicable in various fields. The one-piece stamped flexible pin avoids pin shrinkage, resulting in consistent product quality, high reliability, simple processing, and low cost, making it highly competitive in the market.

This invention discloses an electrically controlled cargo box heating device, method, and mining dump truck, including a heating box, a smoke baffle assembly, an electronic control device, a sealing pipe, an exhaust tailpipe assembly, and a cargo box. The heating box includes a box panel, a smoke baffle slide, an electronic control bracket, an air inlet, an exhaust outlet, and a heating outlet. The electronic control device includes a control unit, an electric push rod, and a lifting cylinder. This invention uses an electronic control system to reverse the engine exhaust during cargo box lifting and lowering, utilizing the high-temperature exhaust gas from the engine to heat the cargo box, achieving waste gas reuse and solving efficiency and safety issues caused by frozen cargo box materials in low-temperature environments. The simple mechanical structure ensures stable reliability, and the electronic control system ensures the orderly operation of each component. Operating the cargo box while disconnecting the heating channel for normal exhaust avoids cargo box blackening and carbon dust dispersion, ensuring a good vehicle appearance and driving environment while heating the cargo box.

The application discloses a kind of digital intelligence powder type free matching variable viscosity fracturing fluid skid-mounted equipment and control method thereof, belong to oil and gas field development technical field.The equipment includes stirring mechanism, feeding mechanism, water feeding mechanism and discharging mechanism, and is centrally controlled by control box.Feeding mechanism uses first screw conveyor to deliver solid material to stirring tank body;Water feeding mechanism supplies water to tank by water feeding pump and water outlet pipe with electromagnetic valve, and water quantity is monitored by water inlet flow sensor;Discharging mechanism outputs mixed liquid by discharging pump, and viscosity sensor detects fracturing fluid viscosity in real time.Control box connects each sensor and executing component, realizes automatic adjustment and closed-loop control of material proportioning by collecting flow and viscosity data.The application realizes accurate and automatic preparation of fracturing fluid, effectively solves the problem of inaccurate and poor stability of traditional manual proportioning, and significantly improves the quality of liquid preparation and operation efficiency.

The invention relates to a method for rapidly detecting arsenic content in chemical wastewater, which comprises the following steps: S1, sample pretreatment optimization: taking a chemical wastewater vulcanized liquid sample, and filtering to obtain a sample to be detected; s2, debugging parameters of an energy dispersive X-ray luminoscope: setting an energy detection interval of the luminoscope according to the characteristic X-ray energy range of the arsenic element, and determining an optimal detection time parameter; s3, establishing a standard curve: collecting a plurality of groups of chemical wastewater standard samples with known arsenic content, detecting by adopting an energy dispersion X luminoscope, and drawing and fitting to obtain the standard curve; s4, actual sample detection: putting a to-be-detected sample into the debugged energy dispersive X-ray luminoscope, and obtaining the arsenic element characteristic X-ray intensity of the to-be-detected sample; and substituting the intensity value into a standard curve, and calculating to obtain the content of arsenic in the sample to be detected. According to the method, the operation process is simplified, the labor cost and the error risk are reduced, and efficient and accurate detection of the arsenic content in the chemical wastewater is realized.

The utility model relates to the field of microwave communication, in particular to a wide voltage control working circuit and a power amplifier. The circuit comprises a comparator circuit and a gate circuit. Wherein the comparator circuit is used for comparing an enabling voltage with a preset voltage, when the enabling voltage is larger than the preset voltage, the comparator outputs a high level, and when the enabling voltage is smaller than the preset voltage, the comparator outputs a low level; the gate circuit is used for converting working logic into electric signals. According to the utility model, the requirements of users are effectively met, the control of circuit power supply is optimized, the circuit structure and the spatial layout are simplified, the circuit arrangement is simpler and more convenient, and the cost is also controlled.

This utility model relates to the technical field of motorcycles, and in particular to a multi-link front suspension structure for motorcycles, which can provide good support, decompose forces in multiple stages, buffer and absorb the impact vibrations of uneven road surfaces, and provide reliable riding stability and comfort. It includes a frame, two front fork shock absorbers, a lower connecting seat, an upper connecting seat, a support component, a first shock absorber, and a second shock absorber. The lower parts of the two front fork shock absorbers are connected via the lower connecting seat, and the top of the front fork shock absorbers is connected to the upper connecting seat. A bearing is provided in the middle of the upper connecting seat, and a pivot is provided at the right end of the frame. The right end of the frame is connected to the upper connecting seat via the pivot and bearing, allowing the upper connecting seat to rotate left and right relative to the frame, facilitating motorcycle steering. The support component is installed under the frame and is hinged to the lower connecting seat. The first and second shock absorbers are mounted on the support component.

The invention relates to an electromagnet multi-mode test, control and integrated degaussing system and a method thereof, belongs to the technical field of electromagnet test and control, and solves one of the problems in the prior art that electromagnet test operation is tedious, the automation degree is low, the test process configuration is inflexible, the degaussing control precision is insufficient, and data management is inconvenient. Comprising a hardware layer and a software layer. The hardware layer comprises a central processing unit, a programmable power supply module, a data acquisition device and a demagnetization control module; the software layer is a main control software program running in the central processing unit, and the main control software program integrates the following functional architectures: a user identity authentication and authority dynamic management module, a multi-mode integrated operation architecture module, a data acquisition control module, a structured data storage module and a data query and report module; the multi-mode integrated operation framework module comprises a test mode, a control mode and a test mode. According to the system, full-process coverage and cooperation of the electromagnet from research and development, production to maintenance are achieved.

The utility model belongs to the technical field of combined electric appliances, and particularly relates to an SF6N2 mixed gas insulated metal-enclosed environment-friendly combined electric appliance. The SF6N2 mixed gas insulated metal-enclosed environment-friendly combined electric appliance comprises a bottom frame on which a circuit breaker and a bus three-position switch are arranged, and is characterized in that one end of the circuit breaker is connected with an isolating switch, the other end of the circuit breaker is connected with a current transformer, the current transformer is connected with a circuit three-position switch, the circuit three-position switch is connected with a branch bus, and the branch bus is connected with the isolating switch. And a quick grounding switch is connected below the branch bus. The beneficial effects of the utility model are that except that the gas chamber of the circuit breaker is filled with SF6 gas, the other gas chambers are all filled with SF6N2 mixed gas, the insulation performance of the original SF6 is maintained, the electric strength is high, the arc extinguishing capability is strong, the discharge amount of greenhouse gases such as SF6 is reduced, the structure is compact, the reliability is high, the modularization is high, and the installation and debugging are convenient and fast.

This utility model relates to the field of connector technology, and more particularly to a PCB board direct-connection high-current through-wall terminal, including an insulating base, a conductive sheet, a wiring assembly, and a sealing ring. An external wiring portion protrudes from the insulating base, and an internal wiring portion is recessed on the insulating base. The internal wiring portion is smaller than the external wiring portion. A sealing ring surrounds the internal wiring portion of the insulating base, and mounting holes are provided on the outer side of the insulating base. An external partition divides the external wiring portion into several external wiring slots, and the internal wiring portion similarly has an internal partition dividing the internal wiring portion into the same number of internal wiring slots as the external wiring slots. The conductive sheet is integrally injection molded with the insulating base. One end of the conductive sheet is pre-embedded in the external wiring slot, and the other end is pre-embedded in the internal wiring slot, with the middle encased within the insulating base. Wiring assemblies are provided at both ends of the conductive sheet. This utility model provides a through-wall terminal integrating high-current transmission, multi-functional modularity, rapid installation, and high reliability.

The utility model discloses an assembly type accident oil pool which comprises a prefabricated bottom plate, a prefabricated wall plate, a prefabricated top plate and a prefabricated inspection well, a circle of groove is formed in the upper portion of the prefabricated bottom plate, a waterproof rubber belt is arranged at the bottom in the groove, bottom plate embedded steel plates are further arranged on the upper top face of the prefabricated bottom plate and located on the two sides of the groove, and the bottom plate embedded steel plates are connected with the prefabricated bottom plate. Clamping keys and wallboard bottom pre-embedded steel plates are arranged at the bottoms of the prefabricated wallboards, wallboard end pre-embedded steel plates are arranged at the side ends of the prefabricated wallboards, the clamping keys are inserted into the grooves in a matched mode and press the waterproof adhesive tape, the bottom plate pre-embedded steel plates are welded to the wallboard bottom pre-embedded steel plates, and the wallboard end pre-embedded steel plates of the adjacent prefabricated wallboards are welded. The prefabricated roof is cooperatively connected to the top of the prefabricated wallboard, and the prefabricated inspection well is connected to the top of the prefabricated roof. The assembly type accident oil pool is reasonable in structure splitting, high in component standardization degree, safe and reliable in connection, good in overall stability, convenient to construct, capable of greatly shortening the construction period, beneficial to environmental protection and reliable in structure waterproof performance.

The utility model provides a kind of axial centrifugal gas pump, including centrifugal impeller, impeller cover, motor frame, flow guide cylinder and tail nozzle. Impeller cover is connected with motor frame by thread, and rotating impeller cover can adjust the clearance between its internal plane and centrifugal impeller;Flow guide cylinder is attached with motor frame, and can be positioned by thread, interference fit or adhesive method, and rotating impeller cover can adjust the contact pressure between flow guide cylinder and impeller cover, to realize mutual locking of both. The gas pump has simple and reliable structure, high tip leakage control precision, high working efficiency and low processing cost.

The invention discloses a pipe end forming multi-step stress release method and system, particularly relates to the technical field of metal pipe non-cutting machining, and aims to solve the problems of unbalanced material internal stress release and unstable forming quality and consistency caused by extensive planning of a multi-step forming process in the prior art. Whether a preset forming path meets a stress relaxation condition or not is judged by obtaining a pipe material and geometric parameters, when the condition is met, residual stress field distribution characteristics of each step are obtained through simulation, the difference degree between the steps is calculated, and mode transfer characteristics of stress redistribution are identified according to evolution of the difference degree to evaluate the damage risk level. When the risk level is high, measuring an energy conversion efficiency parameter of the path in the verification stage, and adjusting process parameters of subsequent steps of the path in combination with the risk level and the efficiency parameter to generate and execute an optimized forming path; scientific evaluation and dynamic optimization of the forming process are achieved, orderly and sufficient release of stress is promoted, and the forming precision is improved.

The application provides a cable sheath, a preparation method thereof and a cable. The cable sheath comprises a three-layer structure arranged in sequence from inside to outside: a core layer comprising a porous framework, a liquid metal and an encapsulation layer, the liquid metal forming a continuous conductive network; a middle layer comprising a light-curable elastic polymer matrix, microcapsules and reinforcing particles; and an outer protective layer comprising a light-curable stimulus-responsive polymer matrix and functional nanomaterials, at least one of the heat conduction performance and the electromagnetic shielding efficiency of the outer protective layer being capable of changing according to changes in the external environment, the core layer, the middle layer and the outer protective layer being covalently bonded through an interfacial compatibilizer and integrated light curing. The cable sheath can realize mechanical strength self-healing and electrical self-healing after mechanical damage, and self-adaptive adjustment to changes in the external temperature and electromagnetic field environment, and the layers of the cable sheath are covalently bonded, so that the interlayer bonding force is strong and the structure is stable.