12results about How to "Strong economic applicability" patented technology

The present invention discloses a reducer oil seal precision press-fitting and air tightness testing device and method, including an oil seal press-fitting mechanism and a servo precision press-fitting system, a pneumatic pressure-maintaining mechanism and a reducer air tightness testing system, and a reducer operating mechanism and operating system. The device realizes the integration of the two processes of oil seal precision press-fitting and reducer air tightness testing for large robots, and realizes the automatic precision press-fitting of oil seals and the automatic air tightness testing of reducers. The present invention integrates the oil seal assembly of large-scale reducers and the air tightness testing capabilities of reducers through the one-time installation of reducers, thereby saving manpower and increasing efficiency. Through automatic oil seal precision press-fitting and air tightness testing, the clamping time of reducers is reduced, and the air tightness testing efficiency of reducers is improved. The device has a simple testing scheme, low development cost, strong economic applicability, and high pass rate, and is suitable for batch assembly and air tightness testing of cycloidal pinwheel reducers for large-scale robots.

This invention discloses a semi-automatic annotation and improved deep learning-based method for detecting foreign objects on railway tracks. The method includes: semi-automatic annotation of a dataset based on thermal infrared human body segmentation results; improvement of the ResNet 50 neural network for all-weather outdoor railway track environments to identify different environmental scenarios; improvement of the YOLOv5 neural network based on scene recognition results to identify foreign objects on the tracks; extraction of railway track contours from images, combined with the location of the foreign object, to design an alarm strategy for foreign object intrusion on the tracks, and to perform tiered alarm judgments. By introducing deep learning scene classification combined with an improved target recognition network, this invention improves the effectiveness of foreign object identification on railway tracks in different environmental scenarios, enhances the accuracy of alarms for foreign object intrusion on railway tracks, and, combined with a scientific alarm strategy, reduces the possibility of train accidents caused by foreign object intrusion on railway tracks.

The utility model discloses a gas pollution volatilization prevention pipeline bonding operation box which comprises a box body which is hollow inside and integrally transparent, the box wall of the box body is provided with a pipeline temporary fixing end, a vacuum extraction connector and a set of operation hand holes, and the pipeline temporary fixing end enables a pipeline to be transversely arranged right in front of the operation hand holes. According to the utility model, through the connection design of the vacuum pipeline and the operation box in the workshop, a negative pressure environment can be formed in the operation box to prevent VOC gas from volatilizing into the production workshop, continuous construction operation can be realized without limitation, and the construction progress is accelerated; vOC volatilized in the gluing process can be extracted out in the first time, it is guaranteed that the volatile organic compounds cannot pollute the interior of an integrated circuit plant, and the physical health of workers is prevented from being damaged or equipment operation is prevented from being affected; the operation box can be suitable for pipelines with different pipe diameters and different materials, and the adaptability is high; the operation box is portable, small and exquisite, and high in economic applicability; the operation box is transparent and visible, and pipe construction is facilitated.

The utility model discloses a pipe fitting shape correcting machine. The pipe fitting shape correcting machine comprises a rack, an oil cylinder, an upper workbench, a lower workbench, a straightening device and a roundness correcting device. The oil cylinder is arranged on the rack, the lower end of a piston of the oil cylinder penetrates through the top of the rack and is arranged in a machining area on the lower side of the top of the rack, the lower end of the piston is connected with the upper workbench, and the lower workbench is arranged on the rack and is arranged on the lower side of the upper workbench; the straightening device is detachably installed on the upper workbench and used for straightening a pipe opening of a vertical pipe arranged on the lower workbench, and the roundness correction device is detachably installed on the upper workbench and the lower workbench and used for conducting roundness correction on a bent pipe workpiece; according to the pipe fitting shape correcting machine, the straightening device and the roundness correcting device are detachably connected with the upper workbench and the lower workbench through the connecting assemblies and the fixing assemblies correspondingly, multiple purposes can be achieved through one machine, dismounting and mounting operation is very convenient and fast when corresponding devices are replaced, applicability is high, the shape correcting machine only needs one power device and one rack, the arrangement area of the device is small, and cost is low. The equipment layout space is saved, and the economic applicability is high.

This invention discloses a continuous ultrasonic amplification standing wave field-ozone micro-nano bubble synergistic inactivation device for mariculture, comprising a seawater pretreatment unit, an ozone micro-nano bubble generating unit, an ultrasonic amplification standing wave field-ozone micro-nano bubble synergistic inactivation reaction unit, a multi-parameter effluent detection unit, and a closed-loop control unit connected in sequence. The reaction chamber adopts a three-layer coaxial nested configuration of 316L stainless steel. The inner tube wall has a regular polygonal prism structure, while the outer tube wall has a multi-segment continuously circulating "gradually expanding-constant diameter-gradually contracting" irregular tube structure. High- and low-frequency multi-array ultrasonic transducers are correspondingly arranged on the inner and outer wall surfaces to synergistically construct a blind-zone-free gradient amplification standing wave field. This invention achieves efficient and continuous inactivation of pathogenic microorganisms in mariculture water by targeting and enriching pathogenic microorganisms at the acoustic pressure nodes of the standing wave field, concentrating the excitation of multi-frequency resonant cavitation effects at the acoustic pressure antinodes, and coupling ozone micro-nano bubbles to reduce the cavitation threshold and leverage their high oxidizing properties.

The utility model discloses a safe and reliable pneumatic shifting fork device capable of monitoring the working condition of piston movement at any time. The pneumatic shifting fork device mainly comprises a sensor, an air cylinder body, a piston, a sleeve, a spring, a shell, a base, a connecting rod, a shifting fork, a spline housing, a transmission shaft and a shifting gear. A sensor is arranged to detect the reciprocating motion condition of a piston, the safety and stability of the whole gear shifting device are monitored in real time, during gear shifting, air pressure is input into an air cylinder body and pushes the piston to move downwards, a connecting rod compresses a spring to move downwards, and meanwhile a shifting fork assembled on a sleeve moves downwards along with the sleeve; the service life of the piston and the service life of the spring are greatly prolonged through the vertical guiding function of the sleeve and the base, the situation that the gear shifting device breaks down due to clamping is avoided, and different transmission ratios can be achieved by configuring different gear shifting gears according to the requirement of a whole machine.

The application discloses a kind of gob-side entry retaining support structure and construction method of steeply inclined coal seam fully mechanized working face.The support structure is arranged in the transport roadway near the side of goaf, including anchoring load-bearing parts, net body gangue retaining parts, restraint reinforcement, pre-stressed locking parts and flexible sealing material;Anchoring load-bearing parts are laid in the roof and bottom corner surrounding rock, net body gangue retaining parts are hung on the exposed section of anchoring load-bearing parts and cover along the whole height of roadway, restraint reinforcement is overlaid on the outside of net body and is connected with anchoring load-bearing parts, pre-stressed locking parts are set on the end of anchoring load-bearing parts and pre-tightening force is applied to form support base surface, and flexible sealing material is sprayed on the support base surface for sealing.The construction method includes drilling anchoring, hanging net body, installing restraint reinforcement, locking pre-tightening, spraying sealing.The application realizes the integration of support structure, has good gangue retaining and sealing effect, adapts to steeply inclined coal seam working condition, is convenient to construct and can be operated synchronously with mining, effectively improves the safety and reliability of gob-side entry retaining, and reduces the cost of mining.

The invention discloses a preparation method of a light anti-bending nylon 12 composite material. The preparation method comprises the following steps: firstly, preparing aramid pulp into a dispersion, and compounding the dispersion with a thermoplastic polyester elastomer (TPEE) to prepare a TPEE-aramid pulp compound; then carrying out surface treatment on the chopped carbon fibers by adopting a dopamine hydrochloride solution and a surface modifier to obtain modified chopped carbon fibers; finally, nylon 12, the TPEE-aramid pulp compound, the modified short carbon fibers, a cross-linking agent, an antioxidant and white oil are subjected to melt extrusion granulation, and the light anti-bending nylon 12 composite material is prepared. The material not only has the advantages of good lightweight effect, bending resistance, mechanical properties and the like, but also shows good economic applicability, the invention also discloses application of the lightweight bending-resistant nylon 12 composite material, and the lightweight bending-resistant nylon 12 composite material is a nylon 12 composite material which can be applied to preparation of thermoplastic carbon plates for shoes.

The application discloses a method for determining the minimum buried depth of a compressed energy storage underground gas storage, comprising the following steps: setting basic parameters of the compressed energy storage underground gas storage according to geological data of rock and volume requirements of the gas storage; considering factors of gas storage pressure, rock gravity, shear strength of surrounding rock and broken surface of the surrounding rock under pressure, establishing a vertical mechanical equation of the gas storage by adopting a conical body model, and obtaining a vertical buried depth capable of meeting maximum gas storage pressure requirements; and establishing a horizontal mechanical equation of the gas storage according to the basic parameters and the vertical buried depth of the gas storage, and obtaining a horizontal buried depth capable of meeting the maximum gas storage pressure requirements. Whether the vertical buried depth of the gas storage meets the limit inflation pressure is determined first, and then the horizontal broken surface mechanical equation is substituted into the horizontal buried depth on the basis of the vertical buried depth, so as to determine whether the horizontal buried depth meets the limit inflation pressure. The calculation method is simple, fast, accurate, and has good economic applicability.

The utility model provides a kind of thin-film solar cell module.The thin-film solar cell module is interconnected by the first etching area of side edge non-working area formed outside the working area of sub-cell to the top electrode and the bottom electrode, thus opening up new interconnection structure outside P2, overcoming the contradiction of "widening P2 to optimize conductivity" and "narrowing P2 to reduce current loss", which can optimize the contact between sub-cells without increasing the dead area, thereby improving the transport capacity of carriers between sub-cells, reducing the series resistance of the module battery, and improving the overall photoelectric conversion efficiency of the module.