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310results about How to "Reduce labor time" patented technology

Tunnel millisecond blasting method

ActiveCN107764144AReduce the blast velocityReduced blasting noise and vibrationBlastingEngineeringStructural engineering
The invention discloses a tunnel millisecond blasting method. The method comprises the following steps of 1, distributing of blast holes, the number of the blast holes and the blasting parameters of the blast holes are designed, wherein the blasting parameters of the blast holes comprise hole diameters, hole distances, resistance lines and depth of a periphery hole, an reliever hole and a cut hole; 2, the blast holes are drilled in a tunnel boring face to be blasted; 3, explosive loading is carried out on the blast holes drilled in the tunnel boring face; 4, blocking and compacting is carriedout on the blast holes filled with explosive; 5, time delay setting is carried out on digital electronic detonators in all the blast holes; and 6, after the time delay setting is finished, wire connecting is carried out, and sequential detonation is conducted after determining that no errors exist. Compared with an existing millisecond blasting technology which is complex in blasting mechanism anddoes not have explicit theory and practice supports, the tunnel millisecond blasting method has the advantages that the different cut blasting methods are adopted for different surrounding rocks andfield conditions, so that the purposes of improving blasting efficiency, reducing the vibration speed and saving financial resources are achieved.
Owner:北京住总集团有限责任公司 +1

Muskmelon lateralbine regeneration continuous fruit setting method

The invention discloses a muskmelon lateralbine regeneration continuous fruit setting method. According to the method, one to four lateralbines with five nodes or fewer are reserved and the other lateralbines are all removed in the pruning process 7-15 days before harvesting of a first crop of muskmelons, stumps of old plants above the nodes of the reserved lateralbines are all cut away after harvesting of the first crop of muskmelons, and watering and fertilization are carried out after wound recovery to promote rapid growth of new lateralbines; a second crop of muskmelons are set on the new lateralbines; whether stumping continues to set a third crop of muskmelons is determined 7-15 days before harvesting of the second crop of muskmelons according to the vigor of plants and market quotations. The method is suitable for solar greenhouses and greenhouse cultivation in the North; by transplanting the muskmelons one time and carrying out stumping continuously many times for fruit setting, the yield is increased, the quality is improved, the muskmelons can mature in advance, the harvesting period is prolonged, and labor and time are saved. Thus, the technology has broad application prospects in muskmelon production in the situation that labor is in shortage and simplified cultivation is advocated.
Owner:VEGETABLE RES INST OF SHANDONG ACADEMY OF AGRI SCI

Automatic nailing machine for compound bodies

The invention provides an automatic nailing machine for compound bodies. The automatic nailing machine comprises a rack body, a worktable, a clamping turnover mechanism, an automatic nailing device and a transferring device, wherein the rack body is used for supporting and installing the other components; the worktable comprises a first layer and a second layer, and the first layer and the second layer are used for bearing to-be-nailed assemblies; the clamping turnover mechanism is used for clamping the assemblies on the worktable and turning over the assemblies for 180 degrees; the automatic nailing device is used for nailing; the automatic nailing device is arranged on the rack body and is located above the worktable; the automatic nailing device is driven through a three-axis servo system, and is capable of nailing optional positions of the assemblies on the worktable; the transferring device is connected with the worktable and is used for transferring the first layer of the worktable to a nailing position from a feeding position. According to the automatic nailing machine for the compound bodies, provided by the invention, the to-be-nailed assemblies are assembled onto the worktable in a manual way, and the other processes of clamping, transferring, nail feeding, nailing, turning-over and blanking are all automatically finished; the stability is high; the work efficiency is high; the labor intensity of workers is greatly reduced, and the labor time of the workers is greatly shortened; the economic benefit is good.
Owner:DALIAN YUN MING AUTOMATION TECH

Medical document identification method and device, computer device and computer readable storage medium

The invention is applicable to the technical field of the Internet, and provides a medical document identification method and device, a computer device and a computer readable storage medium. The method comprises the following steps: respectively obtaining printed text lines of N medical document pictures; obtaining N medical document background filling images; cutting at least one long-strip-shaped medical receipt background filling image from each medical receipt background filling image in the N medical receipt background filling images, obtaining L long-strip-shaped medical document background filling images, printing at least one medical entry for the L long-strip-shaped medical document background filling images, and processing the processed L long-strip-shaped medical document images to obtain L entry image training samples; inputting the L entry image training samples into a CRNN model for training; and recognizing the to-be-recognized medical document picture through the CRNNmodel after parameter optimization to obtain a character recognition result. According to the medical document identification method provided by the invention, the medical document identification effect can be improved.
Owner:湖南星汉数智科技有限公司

Pick having bimetal structure and preparation method thereof

The invention relates to a pick having a bimetal structure and a preparation method thereof, in particular to a pick and a preparation method applicable to coal mining machines and tunneling machines capable of cutting coal seams and rock strata, belonging to the technical field of the research on mining machinery metallic materials and geotechnical engineering. The pick is characterized in that the pick body consists of two metals, wherein the most wear-prone top end of a pick head of the pick is made of tailor-made alloy steel; the wear-resistant lower ends of the pick handle and pick head are made of medium carbon alloy steel; a plurality of ring-shaped grooves are formed below the top end of the pick head; an interlayer is arranged between every two adjacent ring-shaped grooves; the ring-shaped grooves are subjected to full-surfacing process by using the tailor-made alloy steel welding rods; and since the interlayer is thin, the integral wear-resistant tailor-made alloy steel can be formed at the top end of the pick head. The pick of the invention has the advantages of simple structure, novel design, high practicability, convenient fabrication, high hardness and wear resistance and good impact-resisting and corrosion-resisting performance; and according to industrial tests, compared with the homemade pick, the service life of the pick is prolonged by 20 to 30 times, thus saving a great deal of alloy steel materials for our country and reducing the mining cost.
Owner:TAIYUAN UNIV OF TECH +1

Difficult-to-deform metal sheet electric field assisted deep drawing device

ActiveCN110640009AImproved deep drawingGood for plastic formingShaping toolsShaping safety devicesEngineeringMetal sheet
The invention discloses a difficult-to-deform metal sheet electric field assisted deep drawing device, and belongs to the technical field of solid particle forming dies under the action of an electricfield. A male die fixed to the lower portion of a press machine and used for conducting insulating treatment together with the press machine and a female die arranged at the upper portion of a lowerdie seat and provided with an inner hole are included, insulating layers are arranged on the upper surface of the female die and the side wall of the inner hole of the female die, the upper end of thefemale die is provided with a blank holder for pressing a plate sheet on the female die, the bottom of the inner hole of the female die is provided with an elastic block, the lower end of the blank holder is provided with a positive electrode which is in contact with the plate sheet and is connected to a power supply firing line, the inner side wall of the female die is provided with a female dieelectrode connected to a power supply zero line, and the top end of the elastic block is provided with a negative electrode connected to the power supply zero line. The difficult-to-deform metal sheet electric field assisted deep drawing device is simple in structure, high in forming efficiency, less in labor time and stable in product quality.
Owner:YANSHAN UNIV
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