10results about How to "Reduce manual maintenance" patented technology

The utility model discloses a kind of self-cleaning bathroom faucets, including faucet body, the cavity for passing through water is in the middle of faucet body, at least one cleaning mechanism is provided in the cavity, each cleaning mechanism includes cleaning component and the positioning component for positioning cleaning component in cavity, the cleaning component is contacted with wall inner wall and can be vibrated after being contacted with water, the positioning component has elasticity, this bathroom faucet can be vibrated by water flow impact to generate self-cleaning, simple structure, easy to operate, convenient to disassemble.

The invention discloses a safe and credible message encryption communication system based on a block chain network, and belongs to the technical field of block chains, and the key point of the technical scheme is that the system comprises an intelligent contract layer, an encryption communication layer, a privacy protection layer and an evidence storage auditing layer. End-to-end security encryption communication is provided, credible evidence storage and auditing of messages are ensured, user communication privacy is protected, flexible authority management is supported, and the effects of message tampering prevention and source tracing are achieved.

This invention discloses an intelligent multi-point temperature, pressure, and flow monitoring system integrating automatic zeroing and purging anti-blocking functions, consisting of a control cabinet, a gas circuit cabinet, and at least two probes. The control cabinet integrates a PLC and power control circuit. The gas circuit cabinet integrates multiple differential pressure transmitters, multiple 2-position 3-way solenoid valves, multiple 2-position 2-way solenoid valves, multiple flue gas pressure sensors, and one purging pressure sensor. Each differential pressure transmitter corresponds to one 2-position 3-way solenoid valve and one 2-position 2-way solenoid valve. The 2-position 3-way solenoid valve acts as a pressure tapping valve when not energized and as a purging valve when energized, while the 2-position 2-way solenoid valve acts as a balancing valve. For the size of the power plant's main exhaust flue, each probe integrates one PT100, one flue gas pressure tapping tube, and at least five pairs of S-type Pitot tubes. Each pair of S-type Pitot tubes corresponds to one differential pressure transmitter.

This invention discloses an intelligent suspended conveyor system for the production and processing of log furniture, relating to the field of suspended conveyor technology. The intelligent suspended conveyor system for the production and processing of log furniture includes an outer track; an inner track, with a roller movably connected inside the inner track, and a C-shaped bracket rotatably connected to the outside of the roller; an electric telescopic rod, with a stop block fixedly connected to its bottom, and a movable gripper device hinged to the outside of the stop block; a hydraulic block 1 fixedly connected to the top of the stop block, the hydraulic block 1 communicating with a hydraulic block 2 via a hose 1; a push block 2 movably connected to the front of the hydraulic block 2, the push block 2 hinged to a positioning block 1; a hydraulic block 3 fixedly connected to the movable gripper device, and the hydraulic block 3 movably connected to the positioning block 2 via a transmission component. When in use, activating the electric telescopic rod causes the positioning blocks 1 and 2 to conform to the workpiece surface, allowing the system to adapt to cylindrical workpieces of different diameters.

The utility model discloses a fire-fighting spraying device which comprises a fire-fighting spraying head, one end of the fire-fighting spraying head is connected with a winding mechanism, one end of a conveying pipe is connected with a filtering mechanism, the inner wall of a filtering cylinder is provided with a cleaning mechanism, and by means of the winding mechanism arranged on the fire-fighting spraying head, stable rotation of a winding disc can be guaranteed; the conveying pipe is tidily wound on the winding disc, the conveying pipe is effectively prevented from being wound and damaged, the service life of equipment is prolonged, the convenience of next use is improved, meanwhile, the cleaning mechanism is arranged on the filter cartridge, the inner wall of the filter cartridge can be efficiently cleaned, the blocking condition of the fire-fighting spray head is reduced, manual maintenance is reduced, and the workload and cost are reduced; by means of the filtering mechanism arranged on the conveying pipe, impurities and peculiar smell can be effectively removed, water scale attached to the fire-fighting spraying head is reduced, the spraying water quality is guaranteed, and meanwhile, the second electric telescopic rod and the limiting plate arranged on the winding frame can guarantee that the conveying pipe is stable in the winding process, and looseness and displacement are prevented.

This invention discloses a traffic acquisition method and system based on eBPF, belonging to the field of digital information transmission technology. The method includes: filtering first metadata based on the mapping relationship between indicators, network identifiers, and target locations; obtaining second metadata along with its network identifier and target location; generating tunnel metadata; and sending the tunnel metadata to a VXLAN virtual device. The first metadata is filtered and marked using a mapping table; the identification and redirection of the first metadata are completed in kernel mode, avoiding resource overhead caused by user-mode transfer and copying; only the filtered traffic is mirrored, avoiding bandwidth pressure on the cloud virtual network caused by full mirroring; packet encapsulation is uniformly processed by the kernel-mode VXLAN virtual device, reducing the complexity of header processing and the risk of failure; the mapping table updates changes to the objects of the first node, reducing manual maintenance; and meeting the needs of traffic analysis, auditing, and security detection.

The invention discloses an efficient and energy-saving impeller sand washer for mines, and belongs to the technical field of sand washers, the efficient and energy-saving impeller sand washer comprises a sand washing pool, a sand washing wheel is arranged in the sand washing pool, and a sand washing hopper is arranged in the sand washing wheel; movable grooves are formed in the surfaces of the two sides of the sand washing hopper, movable shafts are movably connected to the interiors of the movable grooves, a forward stirring cam and a reverse stirring cam are fixedly connected to the outer sides of the movable shafts, a first gear is fixedly connected to the left side of each movable shaft, a first rack is fixedly connected to the surface of the left side of a sand washing wheel, and a movable bearing seat is movably connected to the left side of each first gear; the left side of the movable bearing seat is fixedly connected with a sliding rod, the left side surface of the sand washing pool is fixedly connected with an inclined sliding block through a fixing support, and the surface of the forward stirring cam and the surface of the reverse stirring cam are fixedly connected with wear-resistant coatings. The sand washing hopper is used for solving the problems that when equipment runs, soil clotting and blocking are likely to happen in the sand washing hopper, so that energy consumption of the equipment is increased, and working efficiency is reduced.

The invention discloses sewage coagulation dissolved air flotation treatment equipment which comprises a scum pool, a scum collecting pool and a scum scraping assembly, the scum scraping assembly comprises a conveying belt and a scraper arranged on the conveying belt, the scraper is connected with the conveying belt through a telescopic mechanism, the telescopic mechanism comprises a rotating shaft and a shaft sleeve rotationally arranged on the rotating shaft in a sleeving mode, and the shaft sleeve is connected with the conveying belt through a connecting rod. The shaft sleeve is fixedly connected with the conveying belt, blocking bodies located on the two sides of the shaft sleeve are arranged on the two sides of the rotating shaft, reset springs are arranged between the blocking bodies and the shaft sleeve, the first end of the rotating shaft is connected with the scraper blade, and a clamping head is arranged at the second end of the rotating shaft. The telescopic mechanism with the reset spring is arranged between the scraper blade and the conveying belt, the driving shaft is matched with the arc-shaped clamping groove, and when the scraper blade runs to the end, meshing of the rotating shaft and rotation of the scraper blade are automatically achieved, so that attachments on the scraper blade are effectively thrown off under the action of centrifugal force, and the attachments are prevented from affecting the working performance of the scraper blade; and the self-cleaning capability of the scraper is improved.

This invention discloses a flow velocity measurement system for a turbine-type hydraulic current meter, belonging to the field of hydrological monitoring technology. The system includes: acquiring multi-source sensor data through a multi-source signal acquisition module; fusing the multi-source sensor data through a feature fusion processing module to generate fused flow velocity features; adaptively adjusting the fused flow velocity features based on a historical flow velocity dataset through an adaptive calibration module to generate a calibrated flow velocity value; dynamically compensating for errors in the calibrated flow velocity value based on the multi-source sensor data through an error dynamic compensation module to generate a final flow velocity value; and finally, appending the final flow velocity value to the historical flow velocity dataset by a dataset update module to generate an updated historical flow velocity dataset for the next adjustment. This invention employs a combined technical solution of multi-source signal acquisition, feature fusion processing, adaptive calibration, and dynamic error compensation, enabling high-precision, adaptive, and robust flow velocity measurement.

This invention provides a permeability testing device for red mud-based roadbed fillers, relating to the field of waste utilization technology for red mud-based roadbed fillers. The device includes a permeability testing platform, which is a three-layer platform consisting of a base, a middle support plate, and an upper support plate. A control center is located on the right side of the platform. A measuring cup is located above the base. Two reinforcing motors are fixedly connected to the bottom of the middle support plate. A combined support frame is bolted to the top of the middle support plate. A flexible testing channel is fixedly installed inside the combined support frame. An elastic converging tube is fitted over the flexible testing channel, with its upper and lower edges folded outwards to form converging flanges. A collection hopper is inserted into the center of the middle support plate. This invention's testing device exhibits low testing deviation, good testing stability and consistency, high testing efficiency, automatic cleaning capability, simple structure, low cost, and suitability for industrial production.