9results about How to "Eliminate tilt" patented technology

The invention relates to the technical field of computer vision and coal mine intelligent mining, and discloses a lightweight working face three-dimensional reconstruction method and device fusing geometric prior constraints, and the method comprises the steps: firstly screening a dynamic effective region based on a projection relation and texture features, and removing static redundant scenes; performing sparse visual reasoning and depth regression only for the effective area to generate an initial depth map; carrying out physical structure correction on the depth map by utilizing geometric priori such as vertical upright posts and parallel top plates of the hydraulic support; and finally, constructing an optimization objective function containing deviation constraints of the vertical column perpendicularity and the top plate parallelism, and completing high-precision fusion of the incremental point cloud. According to the method, inference delay is reduced by reducing invalid calculation, structural distortion and registration drift caused by an underground severe environment are effectively inhibited by using a geometric law, and real-time and high-fidelity reconstruction of a working face scene is realized.

The utility model discloses an oil cylinder ejection and reset mechanism of injection mold relates to injection mold technical field, and its technical scheme main points are: including movable template, oil cylinder, clamping plate, connecting column, fender, fixed screw, limit block, ejector pin plate and ejector pin bottom plate, through the telescopic control of oil cylinder of hydraulic system, realize the ejection and reset action of ejector pin plate, and the effect is that the traditional reset spring is replaced by oil cylinder drive, and the continuous stable thrust is provided by using hydraulic system, and the rigid limit of cooperation limit block thoroughly avoids the reset deficiency caused by spring elasticity fatigue, and the ejector pin plate is accurately retreated to the initial position every time, guaranteeing, and the radial swing and inclination of ejector pin plate are eliminated through the clamping plate and fender piston rod both sides plane of oil cylinder, the rotation of connecting column is limited, and the T type groove adaptive structure of connecting column and ejector pin plate is combined.

The utility model provides a kind of shell dismantling tool with fixed structure and anti- indentation contact surface, it is related to semiconductor device processing equipment technical field, the shell dismantling tool includes tool upper cover, tool base and press equipment connecting mechanism;Tool upper cover bottom is provided with rectangular boss and rectangular contact surface, rectangular contact surface is contacted with product copper bottom plate surface;Tool base surface is equipped with the positioning cylinder array matched with product bushing, and positioning cylinder array includes at least four convex positioning columns;Press equipment connecting mechanism includes the first threaded hole group being set in tool upper cover top and the second threaded hole group of tool base bottom, and first threaded hole group and second threaded hole group are respectively connected with press equipment executing mechanism rigidly by upper cover peg and base peg;Buffer pad is also provided on the working surface of tool base, is fixed by dovetail groove connecting structure, solves product copper bottom plate scratch, product DBC broken horn, and the problem that copper bottom plate is difficult to take from press tool inside.

This utility model relates to a steam wand, comprising a wand body with steam holes connected to a steam source; the surface of the wand body furthest from the steam source is the bottom surface, and the surface of the wand body closest to the steam source is the top surface; the surface of the wand body between the top and bottom surfaces is the side surface; a first nozzle is located on the wand body, connecting the steam hole and the side surface; a second nozzle is located on the wand body, connecting the steam hole and the side surface; wherein the second nozzle is located on the side of the first nozzle closest to the bottom surface; the axis of the second nozzle is offset from the axis of the wand body. This utility model uses the first and second nozzles to spray steam for whipping and fluffing milk. The whipping and fluffing steps are performed simultaneously. Furthermore, compared to adjusting the wand to a specific angle with the milk, inserting the wand vertically into the milk is easier to operate.

The utility model discloses a lens inclination adjusting structure and a camera, the structure is composed of a fixed cylinder, an inclination adjusting cylinder, a fastening nail and an adjusting nail, one end of the fixed cylinder is connected with a light emitting end of a lens, the other end of the fixed cylinder is provided with a first annular end face, and a plurality of first through holes are distributed on the first annular end face; one end of the inclined adjusting cylinder is fixed at the light inlet end of the camera, and the other end is provided with a second annular end face, and second through holes in the second annular end face are in one-to-one correspondence with projection positions of the first through holes. When the second through hole is a threaded hole, the first annular end face is provided with a threaded through hole, and the threaded nail abuts against the second annular end face through the first annular end face. Or when the first through hole is a threaded hole, the second annular end face is provided with a threaded through hole, and the threaded nail abuts against the first annular end face through the second annular end face. The relative inclination angle of the two annular end faces can be accurately controlled through the screwing depth difference of the threaded nails, the inclination deviation between an object plane and an image plane is effectively eliminated, and the full-image imaging definition is ensured.

The utility model provides a kind of flattening mechanism of brake disc spraying, it is related to brake disc field, including overall mechanism, the bottom fixed mounting of overall mechanism has auxiliary mechanism;The overall mechanism includes movable plate, the inner wall sliding connection of movable plate has a group of first sliding block, the top fixed connection of first sliding block has a group of rubber pad, the top fixed mounting of rubber pad has high-precision leveling platform, the top fixed connection of movable plate has fixed plate, in the utility model, using vacuum chuck, electric push rod, vacuum pump and the like component, realize brake disc automatic adsorption and leveling, without manual adjustment, solve the problem of low precision, poor efficiency of manual operation, improve the leveling consistency and production efficiency, high-precision leveling platform surface is precisely machined, cooperate vacuum adsorption force and make brake disc forcedly adhere, flatness error is small, can eliminate inclination, avoid the defect such as uneven coating thickness, sagging after spraying, improve spraying quality.

The application specifically relates to the technical field of household appliances, and particularly relates to a sweeper, which comprises a base provided with a rolling brush cavity and a battery cavity on a side close to the ground, the rolling brush cavity and the battery cavity are adjacently arranged along a first direction; a rolling brush mechanism is movably installed in the rolling brush cavity; an installation cavity is arranged on a side of the base far from the ground and between the rolling brush cavity and the battery cavity; the installation cavity is in communication with the rolling brush cavity; a driving mechanism is arranged in the installation cavity; a driving end of the driving mechanism extends into the rolling brush cavity and is connected with the rolling brush mechanism; under the driving effect of the driving mechanism, the rolling brush mechanism moves along a third direction. The driving mechanism is directly arranged in the installation cavity, the space of the base is fully utilized, the space utilization rate is improved, and the overall volume of the transmission mechanism can be reduced. The volume of the driving motor and the transmission mechanism is large, the compact layout of the sweeper in the longitudinal height can be reduced, and the thickness of the sweeper can be controlled within a certain range.

The utility model discloses a radar flowmeter which comprises an installation base and a concrete base, the installation base is a plate of a cylindrical structure, a radar cover is arranged on the installation base, an antenna assembly is connected in the radar cover, the antenna assembly corresponds to a bottom opening of the radar cover, and the concrete base is arranged on the installation base. An automatic horizontal adjusting assembly is arranged on the mounting base and is connected with the concrete base; the utility model relates to the technical field of measuring devices, the radar flowmeter forms a closed-loop automatic leveling system through the cooperative work of gyroscope sensing, control box operation and modularly designed leveling connectors, the modularized leveling connectors are arranged independently and in a distributed manner, each supporting point can be accurately lifted according to instructions, the inclination can be quickly eliminated, and the measurement accuracy is improved. According to the design, the requirement for the initial precision of the concrete base is remarkably reduced, inclination caused by follow-up settlement or displacement can be automatically compensated, it is ensured that radar beams are perpendicular to the water surface, the measurement precision is guaranteed, and meanwhile installation is more convenient and reliable through the spherical hinge structure.

The utility model discloses a kind of adjustable depth's potato planter furrowing device, it is related to agricultural equipment technical field;The utility model includes crossbeam, the bottom of crossbeam is provided with furrowing device, the both sides of crossbeam are fixedly connected with fixed frame;The both sides of fixed frame are provided with support assembly, support assembly includes the fixed sleeve of installation in the front side and rear side of fixed frame;The utility model realizes the accurate adjustment and stable keeping of furrowing depth by the synergic effect of support assembly and limiting component, the vertical sliding of support rod in fixed sleeve cooperates the mechanical locking of limiting pipe, effectively eliminates the inclination problem caused by traditional furrowing device due to soil reaction force, support wheel and ground contact form stable three-point support structure, cooperate with the insertion of bidirectional limiting pipe driven by screw rod into support rod limiting hole, make furrowing device into soil angle deviation be controlled, simultaneously through the anti-rotation design of support sleeve and clamping plate, ensure that depth drift will not be caused due to vibration in operation process.