Abstract: The present application describes a bridge sliding device and construction system. The device includes a slide rail assembly, a first sliding component on the rail, and a second sliding component on the first. The second component locks at the start of the first, and the bridge deck truss's weight causes the first component's end to tilt slightly, allowing it to easily cross the junction between the temporary support platform and the bridge pier. This facilitates the smooth crossing of both the first and second components over the junction. Once the first sliding component is in place, the second component unlocks and continues sliding, increasing the travel distance of the bridge deck truss. The system ensures smoother movement of the components, enhancing construction efficiency.

Abstract: Disclosed are a rainwater treatment method and a rainwater treatment system applied to mine wasteland, and the method includes following steps: collecting rainwater data of the mine wasteland, and processing the rainwater data of the mine wasteland to generate rainwater data; extracting parameters from the rainwater data to obtain rainwater parameters; constructing a mine three-dimensional model, and inputting the rainwater parameters into the mine three-dimensional model to generate a visual three-dimensional model; and treating the rainwater in the mine wasteland based on the visual three-dimensional model.

Abstract: An intelligent detection and recognition system and method for a coal-rock interface of a mine are provided. The intelligent detection and recognition system mainly includes an intelligent lifting support fastened to the top of a shearer, a non-contact radar antenna disposed at the top of the intelligent lifting support, and an operating terminal with which the radar antenna wirelessly conducts information transmission. In an operating state, a radiation direction of the radar antenna is perpendicular to the surface of a to-be-detected coal seam, and the operating terminal is configured to acquire radar data of the to-be-detected coal seam collected by the radar antenna, and draw and display a coal-rock horizon occurrence curve according to the radar data.

Abstract: The present invention discloses an intelligent detection and recognition system and method for a coal-rock interface of a mine. The intelligent detection and recognition system mainly includes an intelligent lifting support fastened to the top of a shearer, a non-contact radar antenna disposed at the top of the intelligent lifting support, and an operating terminal with which the radar antenna wirelessly conducts information transmission. In an operating state, a radiation direction of the radar antenna is perpendicular to the surface of a to-be-detected coal seam, and the operating terminal is configured to acquire radar data of the to-be-detected coal seam collected by the radar antenna, and draw and display a coal-rock horizon occurrence curve according to the radar data. The present invention can not only improve the detection accuracy, but also adapt to a working environment that suddenly changes on a fully mechanized mining face.

Abstract: A case structure for button battery, a button battery and an electric device are provided. A lower cover of the case structure includes an upper segment of second sidewall and a lower segment of second sidewall; the upper segment of second sidewall has a diameter greater than that of the lower segment of second sidewall; a sealing ring is installed between an upper cover and the lower cover; the sealing ring has a height adapted to that of the upper segment of second sidewall, and the sealing ring is installed in an inner cavity of the upper segment of second sidewall; the upper cover is installed in the inner cavity of the upper segment of second sidewall, and a battery core is installed in an inner cavity of the lower segment of second sidewall.

Abstract: An apparatus and a method for detecting vibration are disclosed. The apparatus comprises a housing, a magnetic structure forming a magnetic field in the housing, and a coil structure in the magnetic field, concentric of the magnetic structure. In response to external vibration, the coil structure and the magnetic structure are movable with respect to each other. The coil structure comprises at least two sets of coils overlapped in space, of which a first coil set is for detecting vibration and a second coil set is for applying control in accordance with a control signal.

Abstract: An apparatus and a method for detecting vibration are disclosed. The apparatus comprises a housing, a magnetic structure forming a magnetic field in the housing, and a coil structure in the magnetic field, concentric of the magnetic structure. In response to external vibration, the coil structure and the magnetic structure are movable with respect to each other. The coil structure comprises at least two sets of coils overlapped in space, of which a first coil set is for detecting vibration and a second coil set is for applying control in accordance with a control signal.

Abstract: A system for capturing images of a person at a checkpoint including at least one image capture means for recording images of the person, a processing means to select a still image of the person from the recorded images, a control means for adding data to the still image and storage means for storing the still image and the data.

Abstract: A system for determining a key frame of an image sequence wherein the key frame includes the clearest image of the face of a person from the image sequence, the system included an image input means for receiving the image sequence of the person and a processing means for identifying the face of the person in each frame of the image sequence and then determining which frame is the clearest image of the person's face.

Abstract: A system for capturing images of a person at a checkpoint including at least one image capture means for recording images of the person, a processing means to select a still image of the person from the recorded images, a control means for adding data to the still image and storage means for storing the still image and the data.

Abstract: A method and system for recognizing the characters on surfaces where alphanumeric identification code (“ID” for short) may be present such as a license plate. The present system is particularly adapted for situations where visual distortions can occur, and utilizes a highly robust method for recognizing the characters of an ID. Multiple character recovery schemes are applied to account for a variety of conditions to ensure high accuracy in identifying the ID. Accuracy is greatly enhanced by taking a comprehensive approach where multiple criteria are taken into consideration before any conclusions are drawn. Special considerations are given to recognizing the ID as a whole and not just the individual characters.