17 results about "Vertical translation" patented technology

A three-dimensional (3D) printing system is configured to print a 3D article in a layer-by-layer manner and includes a vertical beam, an elevator, and a build platform. The elevator is configured for vertical translation along the vertical beam and includes an upper support and a lower support. The lower support includes at least one elevator actuator extending upward from an upper side. The upper support has a lower side including a datum surface in engagement with the actuator. The elevator actuator is configured to modulate a position of the upper side of the upper support. The build platform includes a build plate coupled below a support plate. The build plate has a lower side for formation of the 3D article. The support plate has a lower side that engages the upper side of the upper support of the elevator to support the build platform.

The invention is a door (100) or window comprising a sliding leaf (110) that slides in a horizontal direction (X), a lifting system (300) suited to lift said sliding leaf (110) and to selectively translate said leaf (110) in a vertical direction (Y), a locking mechanism (400) suited to lock the sliding movement of said leaf (110) when the latter is in the closed and lowered position (B), said locking mechanism (400) in turn comprising an idler rod (410) connected to said lifting system (300) and at least one lock (420) installed in said closing abutment jamb (210) and connected to said idler rod (410), and wherein the vertical translation of said idler rod (410) causes a latch (422) of the lock (420) to be moved between a rearward position (C), in which it does not interfere with said sliding leaf (110), and a forward position (D), in which it interferes with said sliding leaf (110), when the latter is in said closed position.

The present invention discloses a method and system for controlling deviation correction during the entire process of large-scale caisson construction, which relates to the field of building construction. The method of the present invention comprises: installing at least three position sensors on the caisson to monitor information of at least three points on the caisson that are not located on the same straight line; inputting the position information obtained by the three position sensors into a computer in real time, and the computer decomposes the movement of the caisson within a time step T into vertical translation and rotation along a horizontal axis; based on the orientation information of the horizontal axis, determining the two locations farthest from both sides of the horizontal axis as the main force points for deviation correction, and the deviation correction process at least includes applying downward pressure to the main force points that are tilted upward. The system includes various modules for implementing the above method. Compared with traditional technologies, the present invention has the characteristics of strong real-time performance, high calculation accuracy, and scientific mechanical control, which significantly improves the accuracy of deviation correction in large-scale caisson construction.

An improved floating structure attachment device comprising a vertically oriented guide member secured to a fixed structure, a dimensional joining block slidably coupled to the guide member, and a horizontally oriented attachment member extending through the joining block secured to a floating structure. The joining block defines intersecting vertical and horizontal passages dimensioned to permit controlled clearance sufficient to prevent binding while substantially limiting excess movement. The device provides four-dimensional freedom of movement, including vertical translation, horizontal translation, rotation about multiple axes, and limited angular pitch, while remaining structurally rigid and free of spring-biased elements.

The application discloses a primary active ultra-low frequency vertical vibration isolation system, comprising a passive vibration isolation platform, a load, a vibration sensor, a driver and a control circuit, wherein the passive vibration isolation platform is internally provided with a horizontal limiting mechanism, the horizontal limiting mechanism is any mechanism capable of limiting three rotational degrees of freedom and two degrees of freedom of translation in a horizontal plane of an object, and only has a single degree of freedom of vertical translation. The system has the characteristics of low complexity and good long-term stability, the scheme for realizing horizontal limiting through mechanical design is simpler, and is helpful to improving the stability of the active vibration isolation system. Compared with the prior art, the application does not need more cost, and the efficiency is not obviously reduced.

A depth measuring device for tundish molten steel comprises a horizontal moving part, a vertical moving part, a first strip-shaped square column, a tundish bottom detecting part and a molten steel surface detecting part. The vertical moving part is arranged on the horizontal moving part; the first strip-shaped square column is arranged on the vertical moving part; and the ladle bottom detection part and the molten steel surface detection part are arranged on the first strip-shaped square column. According to the utility model, the working intensity of workers is reduced, and the efficiency and the precision of the depth measurement operation of the tundish molten steel are improved.

An object processing system is disclosed, the object processing system comprising: a vehicle for receiving an object on a receiving surface thereof, the receiving surface being adapted to move the object thereon in at least one transfer direction; the horizontal translation system is used for enabling the carrier to move in the horizontal direction, and the horizontal direction is approximately orthogonal to the transfer direction; the vertical translation system is used for enabling the carrier to move in the vertical direction; and a load stability system comprising a plurality of transmitters, each transmitter transmitting a detectable field on a portion of the receiving surface, and a plurality of receivers for receiving the detectable field from each of the plurality of transmitters and providing a plurality of detection signals, the load stability system provides load stability information in response to the plurality of detection signals.

An improved floating structure attachment device comprising a vertically oriented guide member secured to a fixed structure, a dimensional joining block slidably coupled to the guide member, and a horizontally oriented attachment member extending through the joining block secured to a floating structure. The joining block defines intersecting vertical and horizontal passages dimensioned to permit controlled clearance sufficient to prevent binding while substantially limiting excess movement. The device provides four-dimensional freedom of movement, including vertical translation, horizontal translation, rotation about multiple axes, and limited angular pitch, while remaining structurally rigid and free of spring-biased elements.

The invention relates to the technical field of additive manufacturing, in particular to a lens translation structure for laser additive manufacturing, which comprises a translation mechanism, and the translation mechanism comprises a transverse translation assembly and a vertical translation assembly; the stable translation work of a material increasing mechanism main body is mainly achieved through the arranged translation mechanism, when material increasing machining needs to be conducted on a pipe workpiece in the axis direction, through cooperative use of a transverse translation assembly and a vertical translation assembly in the translation mechanism, stable movement work in the horizontal direction and the vertical direction can be conducted on a laser injection head, and the machining efficiency is improved. According to the additive machining device, spraying additive machining can be directly carried out in the axis direction, additive machining does not need to be carried out in a surrounding spraying mode any more, and excessive material waste is avoided while the additive machining quality is guaranteed; and the positive effect is achieved for improving the additive manufacturing machining benefits.

The invention discloses a multi-source heterogeneous point cloud registration method based on image key points and a related device, and relates to the technical field of three-dimensional data processing, and the method comprises the steps: extracting a ground point cloud from target and source point clouds, determining a unit normal vector and a height mean value, correcting the source point clouds through a rotation matrix and a vertical translation vector, and carrying out the registration of the target and source point clouds. The method comprises the following steps of: projecting a target image and a source image, extracting feature key points, screening through descriptor similarity and main direction consistency to obtain initial matching point pairs, calculating a pixel motion vector field through dense optical flow improved by a local binary pattern feature map, selecting same-name matching point pairs according to a displacement threshold value, and combining and de-weighting to obtain a potential image matching point set. According to the method, geometric constraints are established, optimal affine transformation parameters are obtained, point cloud corresponding coordinates are obtained through back projection, horizontal two-dimensional rigid transformation is solved, a coarse registration optimal spatial transformation matrix is calculated in combination with a rotation matrix and a vertical translation vector, and finally multi-source heterogeneous point cloud fine registration is completed through an iterative nearest point algorithm.

The invention refers to a nanolithography system based on electric current that uses an array of electrically conductive sharp tips that emit electrons using the electric field emission phenomenon. The nanolithography system consists of the writing bloc (1), the XY translation bloc (6) of the substrate (7) in the horizontal plane, the substrate (7), the translation block (8) along the vertical Z direction normal to the substrate (7) plane, the vertical translation being made either for the substrate (7) or for the writing block (1), the voltage source (9) supplying an electric voltage between the tips array (2) and the substrate (7), the block (10) for reading the voltage between some of the tips of the tips array (2) and the substrate (7), the controller (11) for the management and monitoring of how all these blocks and voltage source (9) work, the computer (12) that, with the help of specific software packages, controls the overall and whole ensemble and allows editing of CAD models, conversion of CAD model formats and translation of the 2D patterns / 3D objects to be fabricated from their CAD format to the commands specific to each of the said blocks, the system containing also a fast feedback loop (22), a high precision electromechanical system (23) that rotates the tips array (2) around of at least one of the rotation axes that lies in the plane of the said tips array, the software package ensuring also the command of the light spatial modulator (3) and of the voltage source (9) according to the pattern that must de created onto substrate (7). The writing block (1) consists of the tips array (2), the spatial light modulator (3), the collimation optics (4) and the light source (5).

The invention discloses a point cloud calibration method based on a laser radar and an IMU (Inertial Measurement Unit) and related equipment. The method comprises the following steps: extracting each frame of ground point cloud of pre-acquired laser radar point cloud data; a plane corresponding to the IMU is set, and for each frame of ground point cloud, the vertical translation amount of the frame of ground point cloud relative to the plane in the vertical direction, the roll angle of the frame of ground point cloud in the rotation direction around the X axis and the pitch angle of the frame of ground point cloud in the rotation direction around the Y axis are calculated; transforming each frame of ground point cloud according to the vertical translation amount, the roll angle and the pitch angle to obtain a first point cloud; fitting the first point cloud, and rotating the first point cloud to a preset perfect plane to obtain a second point cloud; and calculating a yaw angle of the second point cloud relative to the plane in the rotation direction around the Z axis, a first translation amount in the horizontal X-axis direction and a second translation amount in the horizontal Y-axis direction, thereby performing calibration. According to the invention, accurate calibration can be realized, accurate point cloud data can be obtained, and subsequent target analysis is facilitated.

This utility model discloses a translation device for a piston filling machine conveyor line, including a frame and a conveying platform. The frame consists of a lower base and a fixed frame mounted on the upper part of the base. A first fixed plate is mounted on the fixed frame, and a vertical translation guide rail is mounted on the first fixed plate. A vertical translation slider is mounted on the vertical translation guide rail and fixed on a second fixed plate. Two horizontally parallel platform translation plates are mounted on the conveying platform. The other ends of the two platform translation plates are connected and fixed via a second platform translation plate. Two parallel transverse translation guide rails are mounted on the platform translation plates, and transverse translation sliders are mounted on the transverse translation guide rails. The transverse translation sliders are fixed on the second fixed plate, and one end of each transverse translation slider is fixedly connected via a third fixed plate.

This invention discloses a cam laser quenching system, control method, and equipment, aiming to solve the problems of inaccurate focus tracking, uneven quenching, and low automation in traditional laser quenching technology when processing cams with complex geometries. The system includes a central shaft, a longitudinal shaft, a transverse shaft, a laser generator, and a controller. The central shaft clamps and drives the cam's rotation; the longitudinal shaft carries the laser generator and provides it with vertical translation; the transverse shaft intersects the longitudinal shaft. The laser generator translates along the longitudinal shaft and emits a laser beam vertically downwards. The controller is the core component, used to receive cam geometric parameters and quenching path parameters, and to calculate the longitudinal axis coordinates corresponding to the laser generator and each quenching point on the cam. The control method of this invention calculates the rotation control points and lifting control points of the trajectory points on the cam surface, forms a mapping relationship, and then controls the rotation of the central shaft and the lifting motion of the laser generator in a coordinated manner to ensure that the laser focus is always located on the cam surface, achieving uniform and efficient laser quenching.

The invention relates to the technical field of elasticity detection, and more particularly discloses an elasticity detection device for fluorine silica gel sealing ring production, which comprises a support assembly, the support assembly comprises a bottom plate, the top of the bottom plate is fixedly connected with a vertical support plate, the inner side plate surface of the vertical support plate is slidably connected with a translation assembly, and the bottom of the translation assembly is rotatably connected with a vertical movement assembly. By arranging the force measuring assembly, the laser distance measuring assembly and the precise camera shooting assembly, the force measuring assembly, the laser distance measuring assembly and the precise camera shooting assembly can be utilized to correspond to different stresses by utilizing the expansion amount of a spring, and the laser reflection accuracy is combined, so that the precision of the laser distance measuring assembly is improved, and the precision of the laser distance measuring assembly is improved. The two-way test of the same deformation ratio stress and the same stress ratio deformation of the fluorosilica gel is realized, the elasticity is comprehensively and accurately detected, the problems of incompleteness and inaccuracy caused by a single detection mode are avoided, and the detection quality is improved.

This invention discloses a correction method, apparatus, system, device, storage medium, and program product. It acquires a marker surface image obtained by an image sensor capturing an image of the marker surface; determines the image-space distance between three marker blocks forming a right-angled triangle in the marker surface image; determines the tilt angle and defocus amount based on the image-space distance, and controls the rotation of the AA gripper and / or SUT platform based on the tilt angle, and controls the vertical translation of the SUT platform based on the defocus amount; determines an initial search interval based on the defocus amount, and iteratively searches for segmentation points within the initial search space according to a preset segmentation ratio; determines the tilt angle correction amount and the target focal plane position based on the multiple searched segmentation points, and controls the rotation of the AA gripper and / or SUT platform based on the tilt angle correction amount, and controls the vertical translation of the SUT platform based on the target focal plane position. This can improve the active alignment efficiency between the lens and the image sensor.

Device for evacuating a part cut by a Swiss block tool. The present invention relates to a device (1) for evacuating a part cut by a Swiss block tool (3) on a cutting press (4), said Swiss block tool (3) comprising at least one lower plate (5) fixed to the cutting press (4), and an upper plate (7) movable in vertical translation between a "top dead center" and a "bottom dead center", and vice versa, said evacuation device (1) being notable in that it comprises at least one scoop extending horizontally and equipped with an arm receiving at one of its ends a receiving member, and being, at its other end, pivotally mounted on the lower plate (5) about a vertical axis between a "receiving" position and a "storage" position, and means for synchronizing the pivoting of the scoop with the movement of the upper plate (7). [Fig 1]