36results about How to "Overcome time-consuming and labor-intensive shortcomings" patented technology

The invention discloses an efficient insertion pipe joint mounting device. The efficient insertion pipe joint mounting device comprises a mobile platform, a power device, a traction device, a fixing device and a pipe binding belt; the power device and the traction device are fixedly arranged on the mobile platform; the fixing device is fixedly arranged below the surface of the mobile platform; thefixing device is used for clamping pipe bearing ports; the pipe binding belt is opposite to the fixing device; the two sides of the pipe binding belt are connected with a steel strands; the pipe binding belt is connected with the traction device through the steel strands; the pipe binding belt is used for sleeving pipe insertion ports; the power device is connected with the traction device; the power device drives the steel strands to shrink through the traction device; and the steel strands pull the pipe binding belt to enable the pipe insertion ports to move to the pipe bearing ports. The efficient insertion pipe joint mounting device realizes automatic insertion of the pipe insertion ports and the pipe bearing ports, is high in automation degree, improves the efficiency, shortens the construction period, saves both time and labors, and is low in labor cost.

The invention relates to the field of genetic engineering, and particularly discloses a set of system for evaluating whether CHO expression and secretion capacities are influenced after CHO cells are subjected to gene modification. The expression system includes a eukaryotic expression vector and a CHO expression evaluating cell strain. The eukaryotic expression vector and the stable cell strain include a piggy transposon regulating and control unit, a screened gene expression unit and an antibody-LucGFP fused reporter gene expression unit. The expression system can achieve site-specific integration and efficient expression of an exogenous gene in the CHO cell genome. The system can be used for evaluating influences of any exogenous DNA segment including genes, RNAs and the like on the secretion function of the CHO cells, and has a wide application prospect in the field of modifying the CHO cells to increase the protein yield.

The invention discloses an efficient insertion pipe joint mounting device. The efficient insertion pipe joint mounting device comprises a mobile platform, a power device, a traction device, a fixing device and a pipe binding belt; the power device and the traction device are fixedly arranged on the mobile platform; the fixing device is fixedly arranged below the surface of the mobile platform; thefixing device is used for clamping pipe bearing ports; the pipe binding belt is opposite to the fixing device; the two sides of the pipe binding belt are connected with a steel strands; the pipe binding belt is connected with the traction device through the steel strands; the pipe binding belt is used for sleeving pipe insertion ports; the power device is connected with the traction device; the power device drives the steel strands to shrink through the traction device; and the steel strands pull the pipe binding belt to enable the pipe insertion ports to move to the pipe bearing ports. The efficient insertion pipe joint mounting device realizes automatic insertion of the pipe insertion ports and the pipe bearing ports, is high in automation degree, improves the efficiency, shortens the construction period, saves both time and labors, and is low in labor cost.

The invention discloses a primary fault diagnosis method of a converter in a wind turbine system. The method includes steps of establishing a primary fault classification principle; measuring direct current side output voltage signals of the converter in states of normal operation and fault operation, subjecting the obtained output signals to wavelet packet analysis, reconstructing a wavelet packet decomposition coefficient, extracting and calculating energy of each frequency band signal, and determining which frequency range energy of an original signal mainly concentrates on; subjecting the signals in the frequency range to wavelet power spectrum analysis, and determining fault characteristic frequencies; and analyzing and comparing the characteristic frequencies and power spectrums of the converter in the states of normal operation and various fault operations to obtain a primary fault diagnosis result of the converter. By means of characteristics of wavelet packet analysis, fault diagnosis of the converter can be simply and rapidly achieved in the aspects of energy spectrums and power spectrums, and the fault diagnosis method of the converter is capable of effectively improving safety and effectiveness of the wind turbine system.

The invention discloses a preset full-retention non-Newtonian fluid wrapping type wing-shaped anti-rolling watermelon vehicle which comprises a protective movement mechanism, a flexible pit preset full-retention harvesting claw, a positioning picking mechanism, a non-Newtonian fluid wrapping conveying mechanism, a wing-shaped foaming material flexible wrapping piece forming wrapping mechanism, a compression conveying mechanism, an oblique watermelon dislocating and loading mechanism and a wrapping, conveying and loading mechanism. The invention belongs to the technical field of watermelon picking machinery and provides a harvesting claw provided with a flexible pit. The shape of any part in the pit can be optionally changed, and a food-grade non-Newtonian fluid conducts wrapping type zero-scratch protection on harvested watermelons in real time to achieve an omnibearing safety protection and fresh-keeping effect. In the scheme, a watermelon wing-shaped anti-rolling concept is creatively proposed during the harvesting process, and the technical problem unsolved for a long time is solved that watermelons are easy to roll and are easily crushed.

The invention discloses a glue peeling and sticking device which is used for sticking glue to a to-be-glued product and comprises a material conveying mechanism, a glue conveying mechanism, a glue peeling mechanism and a glue sticking mechanism, wherein the material conveying mechanism is used for conveying the to-be-glued product; the glue conveying mechanism is used for conveying a glue material to the glue peeling mechanism; the glue peeling mechanism is connected with the glue conveying mechanism and used for peeling off sticking glue on the glue material conveyed by the glue conveying mechanism; the glue sticking mechanism is connected with the glue peeling mechanism and used for sticking the sticking glue peeled off by the glue peeling mechanism to the product. With the adoption of the glue peeling and sticking device provided by the invention, automatic material conveying and glue conveying can be achieved, manual glue peeling and sticking work is replaced, the glue peeling and sticking quality is improved, and the production efficiency is improved.

The invention discloses a preparation method of a ceramic coloration toner for a color laser printer, which relates to the ceramic coloration field. The method comprises pre-mixing diethyl terephthalate 25 parts, zirconia 70 parts, cadmium yellow 70 parts, manganese red 70 parts, cobalt ultramarine 70 parts, salicylic acid charge control agent 2 parts and polyethylene wax 2 parts according to weight percentage, and taking silica 1 part for use; extruding by using a double-screw extrusion machine, and performing coarse crushing and fine crushing on the extrudate; grading toner particles to control particle size D50 of the toner at 8.5+ / -0.5mum; and adding silica 1 part into the graded toner particles, mixing, and sieving by using a 120 mesh vibrating screen to obtain undersized product which is the ceramic coloration toner for the color laser printer. The method simplifies the process, lowers the cost, is convenient, and saves time and energy.

Traditional Chinese medicine granules for treating cerebral thrombosis are prepared by the following ingredients: 40g of membranous milk vetch root, 6g of leech, 15g of sanchi, 15g of achyranthes, 30g of salvia miltiorrhiza, 15g of glechoma longituba, 15g of earthworm, 20g of European verbena and 20g of nux vomica, 1000g of water is added in the medicines for decoction till about 200g of water is remained, the medicines are prepared into the granules by fetching dregs, the dosage is once a day and one course of treatment is 7 days. The formula is used based on the conventional western medicine treatment for treating acute cerebral infarction, thereby having rapid onset of action, reliable and safe efficacy, fast recovery of patients and less sequelae.

The invention discloses a gantry type large-width pattern sewing machine and belongs to the technical field of sewing machines. The gantry type large-width pattern sewing machine comprises a machine head, a rack, a rotating shuttle structure, a transverse motion module, a longitudinal motion module, a table plate arranged on the rack, and a pressing frame component positioned above the table plate, wherein the transverse motion module is longitudinally and movably arranged on the longitudinal motion module through a connecting plate; the pressing frame component is transversely and movably arranged on the transverse motion module; the longitudinal motion module is fixed on the rack; a rotating shuttle hole of the rotating shuttle structure is aligned with a needle of the machine head; and the gantry type large-width pattern sewing machine also comprises a cross beam, wherein upright columns are respectively fixed on two sides of the rack in the transverse movement direction of the pressing frame component; the cross beam is fixed on the two upright columns; and the machine head is arranged in the middle of the cross beam through a lifting device. According to the gantry type large-width pattern sewing machine, the size and travel of a pressing frame can be allowed to be greatly improved, so that the sewing area of a pattern machine is enlarged, and the phenomenon that the machine head is low in rigidity and shakes in the sewing process can be avoided.

The invention discloses a quick charging platform for a mining battery car. The quick charging platform comprises a platform body and a platform track, the platform body is cuboid, the platform trackcomprises a plurality of parallel guide rails, the guide rails are fixedly connected with the platform body, and a plurality of pulleys are arranged on the guide rails; a blocking body higher than theupper end face of the platform body is arranged at one side of the platform body, and a horizontal pushing mechanism parallel to the guide rails is arranged on the blocking body. A power supply device can be easily pushed to the blocking body to be charged only by pushing the power supply device on the guide rails; after charging is completed, the horizontal pushing mechanism automatically pushesout the power supply; and the power supply device can be replaced more quickly and efficiently for charging, and time and labor are saved.

The present invention provides a simulation method for dissolving lignin in a deep eutectic solvent based on mesoscopic scale. It is characterized in that: the present invention uses Materials Studio software to carry out dissipative particle dynamics simulation and mesoscale dynamics simulation on the process of dissolving lignin by deep eutectic solvent on the mesoscopic scale, and deduces the effect of deep eutectic solvent on lignin. dissolution mechanism. The present invention explores the solvent mechanism of deep eutectic solvent to lignin, optimizes and screens the types of hydrogen bond donors and hydrogen bond acceptors of deep eutectic solvents, determines the molar ratio of hydrogen bond donors and hydrogen bond acceptors, shortens It is of great significance to screen the experimental time of the deep eutectic solvent for dissolving lignin, reduce the consumption of materials and equipment caused by the experiment, and guide the industrial application of the deep eutectic solvent in the process of biomass energy conversion.