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842 results about "Body size" patented technology

Manufacture method of large caliber high steel grade corrosion proof seamless steel tube in diameter phi 219.0-460.0mm

The invention provides a production method of a large caliber high steel-grade corrosion-resistant seamless steel tube with the diameter of phi 219.0-phi460.0mm, which comprises the steps of the techniques of: steel making, tube rolling, thermal treatment and processing of the steel tube, and the like, and produces the large caliber high steel-grade corrosion-resistant seamless steel tube with the diameter of phi 219.0-phi460.0mm. The method has the effects of solving the problem of extremely unfavorable influence of the harmful elements such as P, S, and the like on the corrosion resistance of a petroleum-special tube and obtaining a high-quality round billet, adopts the combination of phi 460 three-roller retained mandrel POF rolling mill with high-end thermal rolling control technique to obtain fine quality tube bodies with different sizes, and obtains pipeline tubes with eligible surface quality and combination property by reasonable thermal treatment technique and the control technique of the residual stress of the steel tube, which not only has high strength and excellent corrosion-resistant property but also has good toughness. The invention has the beneficial effects that the steel tube has good physical-chemical properties, high tube body size precision, and convenience for use as well as being beneficial for the safety of long-distance delivery ducts, and can be widely used for the acid oil-gas fields containing hydrogen sulfide.
Owner:TIANJIN STEEL PIPE MFG CO LTD

Seat cushion adjusting mechanism of integrated automobile safety seat for children

The invention discloses a seat cushion adjusting mechanism of an integrated automobile safety seat for children, which comprises a seat cushion height adjusting mechanism and a seat cushion length adjusting mechanism, wherein the seat cushion height adjusting mechanism is installed below the middle seat cushion of the back-row seats, and the middle seat cushion of the back-row seats can be lifted by a driving device and a link mechanism, so that the seat for adults can be changed into a heightened seat for children; and the seat cushion length adjusting mechanism is connected with multiple sections of additional seat cushions which can be connected with or separated from each other at the front side of the seat cushion of the seat, so that the length of the seat cushion can be adjusted according to the body sizes of the children. The invention can realize the stepless adjustment of the seat cushion height based on the height of the children and the multistep adjustment of the seat cushion length, thereby protecting the children from being hurt in the process of automobile collision when being used by matching with the traditional three-point safety belt for adults. Besides, the invention can be adjusted to adapt to adults for use, has the advantages of simple structure, low cost and convenient use, and can realize the intelligent positioning of the children.
Owner:FUJIAN MEINKIND BABY PROD

Method of estimating the body size and the weight of yak, and corresponding portable computer device of the same

ActiveCN107180438AAutomatic IdentificationReal-time calculation of body size indicatorsImage enhancementImage analysisBody sizeWeight estimation
The invention provides a method of estimating the body size of a yak, based on 3D vision. The method of estimating the body size of a yak, based on 3D vision includes the steps: acquiring the side images of a yak by means of image acquisition equipment; extracting the foreground images from the side images; identifying the key points of the yak body from the extracted foreground images; and by means of the identified key points of the yak body, automatically extracting the body size information of the yak. The invention also provides a method of estimating the weight of a yak, based on 3D vision. The method of estimating the weight of a yak, based on 3D vision includes the steps: including the method of performing the method of estimating the body size of a yak; and taking the extracted body size information of the yak as input, and utilizing a yak weight estimation model to predict the weight value of the yak. Alternatively, the invention furthermore provides a method of estimating the weight of a yak, based on 3D vision. The method of estimating the weight of a yak, based on 3D vision includes the steps: acquiring the side images of a yak by means of image acquisition equipment; extracting the foreground images from the side images; and directly predicting the weight value from the foreground images, by means of a convolution neural network. The invention also provides a corresponding portable computer device.
Owner:TSINGHUA UNIV

Cow shape measuring method and cow shape measuring system based on stereo vision technology

The invention relates to a cow shape measuring method and a cow shape measuring system based on a stereo vision technology. The method comprises the following steps: collecting image information of cow samples at different angles, and calculating body size data of the cow samples according to the image information at different angles; acquiring weight data of the cow samples, and building a weight prediction model according to the corresponding relationship between body size data and weight data; calculating body size data of a cow to be measured according to the image information of the cow to be measured at different angles, and inputting the body size data of the cow to be measured into the weight prediction model to estimate the weight data of the cow to be measured. By using the technical scheme provided by the embodiment of the invention, the problem that weight data measured by a weighbridge is inaccurate due to dynamic nature of cows is solved; and the body size data of cows is acquired through image acquisition, so that the problem that an artificial field contact method is time-consuming and labor-consuming, is of strong subjectivity, and causes stress reaction of cows is solved, and full-automatic cow body size data measurement and weight data measurement is realized.
Owner:NONGXIN TECH BEIJING CO LTD
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