23results about How to "Improve offset" patented technology

The invention discloses an integrated encapsulation structure of an inductance electrical element of a transformer, which comprises an integrated encapsulation heat dissipation shell, and the integrated encapsulation heat dissipation shell is at least provided with a first lower groove, a second lower groove and a third lower groove in sequence along the length direction; the upper parts of the first lower groove, the second lower groove and the third lower groove are communicated with one another, so that the first lower groove, the second lower groove and the third lower groove jointly form an encapsulation pool; all the elements are relatively independent, normal work of other elements is prevented from being affected by overheating of a certain element, meanwhile, the upper sections of the first lower groove, the second lower groove and the third lower groove are communicated with one another, the glue filling process can be completed at a time, and the problem of complex procedures caused by respective glue filling is solved.

The invention discloses a multi-blade combined structure electron beam welding tool and a welding method, and belongs to the technical field of welding, the multi-blade combined structure electron beam welding tool comprises a sliding table, a base and a rotary drum bearing assembly, and further comprises a rotary drum positioning mechanism for positioning and centering a rotary drum in a multi-blade combined structure; the blade bearing assembly is used for bearing the blades in the multi-blade combined structure and promoting the blades to abut against the rotary drum; the driving assembly drives the rotary drum bearing assembly to adjust the position of the rotary drum in the vertical direction or drives the rotary drum positioning mechanism to abut against the inner wall of the rotary drum; the second rotating assembly drives the rotating drum positioning mechanism to rotate in the vertical direction and is matched with the rotating drum positioning mechanism to detect the balance of the rotating drum or the welded multi-blade combined structure; according to the multi-blade combined structure assembling device, multi-blade combined structures of various specifications can be automatically assembled, and the balance of a rotating drum or the welded multi-blade combined structure by the rotating drum positioning mechanism can be detected, so that the welding efficiency is improved, and the yield is increased.

The invention relates to a machine tool unit driven by an electric motor, comprising a stator unit (2) and a rotor unit (3), which has at least one rotor shaft (105) and can be rotated about an axis of rotation (D), said rotor unit (3) comprising at least one tool receiving unit, the tool receiving unit has a tool clamping device for fixing and clamping a releasably fixed shank of the tool (50), at least one tool sensor (5) is provided for detecting a load on the tool (50), and at least one electromagnetic drive system is provided for driving the tool (50) on the tool receiving unit. The machine tool unit has improved accuracy and / or by means of the machine tool unit, the accuracy of machining by a corresponding machine tool can be improved. This is achieved according to the invention in that at least one weakening structure (30) is arranged between the tool sensor (5) and the axis of rotation (D) in order to increase the mechanical offset when the tool (50) is loaded and / or when the loading situation of the rotor unit (3) or a component thereof changes.

This utility model relates to the field of belt alignment technology, and in particular to a belt misalignment roller adjuster. It is installed inside the belt, which is mounted within a conveyor frame. The adjuster includes an adjusting assembly, which comprises an adjusting frame that passes through the belt and is fixed to the conveyor frame. Two sliders, designed to move closer to or further apart, are slidably mounted within the adjusting frame. These sliders are driven by a first drive unit. A sliding hole is formed along the length of the adjusting frame. A long plate, which slides through the sliding hole, is fixed to each slider. The long plate is perpendicular to a bidirectional lead screw. A rotating rod is rotatably connected to the outer side of the long plate, away from the slider. A roller is perpendicular to the rotating rod, and a support plate is fixed to the end of the rotating rod. Multiple rollers are rotatably mounted side-by-side on the support plate. The rotating rod is driven to rotate by a second drive unit. This device ensures stable operation of the belt conveyor and stable material conveying speed, thereby improving production efficiency and reducing material waste.

This invention relates to the field of fireboat water pump installation technology, specifically to a method for installing a water-spraying propelled fireboat's water pump. The method includes: S1. Initially positioning the water inlet channel on the hull plate, allowing the outlet flange of the water inlet channel to extend into the pump chamber; S2. Placing a dummy pump fixture in the pump chamber, the dummy pump fixture including a dummy pump body, with dummy pump feet at the bottom of the dummy pump body. The dummy pump feet are first anchored to the outlet flange of the water inlet channel using locating pins, and then fixed with bolts; a dummy pump shaft, which is a round tube, is installed on the top of the dummy pump body; S3. Butt-welding the water inlet channel to the hull plate, monitoring the relative position changes of the dummy pump shaft and the steel wire in real time; S4. After welding the water inlet channel, marking the center line of the dummy pump shaft, disassembling the fixture from the outlet flange of the water inlet channel, replacing the fixture with the actual pump, and completing the water pump installation. This installation method avoids inaccurate positioning due to welding deformation of the water inlet channel causing the center line of the water inlet channel to shift, which in turn leads to the shift of the pump shaft center line, thus improving the positioning and alignment accuracy.

The invention belongs to the field of biological medicine, and discloses antisense oligonucleotide targeting VEGFA precursor mRNA, a pharmaceutical composition and application of the antisense oligonucleotide. The antisense oligonucleotide has a nucleobase sequence complementary to a specific segment of VEGFA precursor mRNA, and can promote the migration of VEGFA precursor mRNA splicing to VEGF165b, so that the antisense oligonucleotide can be used for preventing or treating diseases or symptoms related to vascular hyperplasia.

The utility model relates to the technical field of building construction, and discloses a template lifting device which comprises two template components which are sequentially arranged in the vertical direction, each template component is formed by connecting a plurality of templates end to end, and die cavities of the two template components are communicated and connected in a magnetic attraction mode. The device further comprises a frame body, a fixing assembly and a moving assembly, the frame body is arranged on the outer side of the formwork assembly, the fixing assembly is arranged on the frame body, and the moving assembly is movably arranged on the frame body in the vertical direction. The fixed assembly is detachably connected with the formwork assembly located on the upper portion, the movable assembly is detachably connected with the multiple formworks of the formwork assembly located on the lower portion, and after concrete in a die cavity of the formwork assembly located on the lower portion is poured and formed, the multiple formworks of the formwork assembly located on the lower portion can be driven by the movable assembly to move upwards; and therefore, the template assembly is positioned above the original template assembly. According to the formwork lifting device, the problems of shaking and deviation of the formwork in the lifting process can be effectively solved, the construction precision is improved, and the construction safety is guaranteed.

This utility model discloses a modular shelf light with a snap-locking structure, belonging to the field of display lighting accessories. Addressing the problems of unstable installation and poor conductivity reliability in existing shelf lights, it provides a modular shelf light solution including a shelf support and a shelf, with an anti-detachment component and a conductive connection at the shelf insertion end. In the anti-detachment component, the snap-locking hook structure engages with a track slot, and the support part moves to the locking position to limit the elastic deformation of the snap-lock, forming an active lock. The conductive connection uses elastic conductive glass beads in elastic contact with the conductive strip. The lighting part includes a light guide strip and a light shield to optimize light. This utility model enhances the stability of the mechanical connection and the reliability of conductivity, improves light uniformity, reduces glare, solves the stability, reliability, and safety problems of existing shelf lights in frequent use scenarios, and improves product practicality.

The present invention provides a method, device, medium and electronic device for processing SQL statements. In the scheme, in the process of big data processing, by adding a window offset and a periodic output interval in the SQL statement in the task, in the process of processing the SQL statement, the start time of the data processing window is determined according to the window offset, and the trigger of the periodic output result is determined according to the periodic output interval. After the data enters the window operation, the intermediate result of the data processing is output according to the start time of the window and the trigger. The scheme supports adjusting the start time of the window and can grasp the change of the data in real time by periodically outputting the intermediate results.

The utility model discloses a degradable film processing offset correction device which comprises a machine frame and moving frames, the moving frames are symmetrically installed at the top end of the machine frame, a portal frame is installed between the two sets of moving frames, conveying roller frames are symmetrically arranged at the top end of the machine frame on one sides of the moving frames, walking frames are installed in the moving frames in a sliding mode, and the walking frames are connected with the portal frame. And rotating seats are movably mounted at the top ends of the walking frames correspondingly, and correcting frames are mounted at the top ends of the rotating seats correspondingly. According to the deviation correcting device, the degradable films with different thicknesses can be stably conveyed by the deviation correcting device, the deviation correcting device can conveniently adapt to the degradable films with different sizes, convenient movement and angle rotation of the degradable films can be conveniently corrected, the degradable films can be conveniently corrected to the original positions after deviating, and the deviation correcting efficiency is improved. And the offset correction convenience of the degradable film is improved.

The utility model relates to paper printing technical field, and disclose a folding mechanism for printing machine, including conveyer belt, mounting seat, connecting plate, width limiting component and blocking component, one end of connecting plate away from mounting seat is fixedly installed with fixed frame, one end of fixed frame away from connecting plate is fixedly installed with the locating plate, one end of locating plate away from fixed frame is fixedly installed with transmission assembly. This folding mechanism for printing machine passes through the design of lift column and transmission case, cooperation both sides slide connection, is convenient for providing directional guide for lift column, avoids the easy occurrence of shaking, makes lift column drive folding pole to follow preset track and lift, avoids the folding deviation caused by shaking, and through the design of multiple groups of equal interval installation groove of folding pole, when installing folding pole, according to the length of different paper, adjust the position of folding pole on the sleeve, it is convenient to cover the folding demand of different size and thickness paper, improve overall diversity.

This invention relates to the field of seismic exploration technology, and particularly to a method and apparatus for AVO trend correction of pre-stack gathers for interlayered shale oil reservoirs. The method includes: constructing seismic wavefield amplitude and travel time equations based on the steady-phase principle; establishing illumination weight coefficient equations based on deconvolution imaging conditions according to the seismic wavefield amplitude and travel time equations; determining illumination weight coefficients using the equations based on the forward-modeled wavefield propagation amplitude, receiver amplitude, shot amplitude, travel time from imaging point to shot point, travel time from imaging point to receiver point, travel time from shot point to receiver point, and angular frequency; and using the illumination weight coefficients to perform amplitude illumination compensation on the pre-stack gather seismic data to obtain the pre-stack gather imaging results after AVO trend correction. This invention can improve the accuracy of AVO in pre-stack seismic gathers, thereby identifying sweet spots in interlayered shale reservoirs with optimal reservoir and production potential, improving the reliability of geological models, reducing the risk of blind drilling, and saving exploration costs.

The invention discloses minimally invasive bone taking equipment, and relates to the technical field of medical instruments, the minimally invasive bone taking equipment comprises a cutting tool, the cutting tool comprises a tubular tool body, the cutting end of the tool body is provided with a cutting edge, the cutting edge comprises a first cutting edge and a second cutting edge, the first cutting edge is zigzag, and the second cutting edge is zigzag; the orientation of the first cutting edge is parallel to the axial direction of the cutter body; the other end of the cutter body is a second end, and the second cutting edge inclines towards the inner side of the cutter body; the second end of the rotary collecting bin is connected with one end of the rotary collecting bin, and bone tissue obtained through cutting of the cutting tool can move into the rotary collecting bin through the interior of the tool body; and the power part is used for driving the rotary collecting bin and the cutting tool to rotate around the axis of the tool body. The strip-shaped bone blocks are obtained through the design of the second cutting edge on the cutting tool, the power component drives the cutting tool and the rotary collecting bin to rotate, and the purpose of obtaining the complete strip-shaped bone blocks in the minimally invasive autogenous bone transplantation surgery is achieved.

An electronic device may include a flexible display having a first display portion and a second display portion that rotate relative to each other about a bending axis. The flexible display may be mounted to a foldable housing having a first housing portion and a second housing portion coupled by a hinge aligned with the bending axis. The foldable housing is operable in a flat state and a folded state. The translation assembly may be configured to slide the display relative to the housing when the device is moved between a flat state and a folded state. A compression assembly may be used to apply compression to the flexible display when the foldable housing is in the folded state. A tensioning assembly may be used to apply tension to the flexible display when the foldable housing is in a flat state. The translation assembly, compression assembly, and tensioning assembly may be combined into a module if desired.

The invention relates to the technical field of battery cell winding, and discloses a tab alignment degree adjusting method, an adjusting device and a winding system. The tab alignment degree adjusting method comprises the following steps: determining the offset of a tab; if the absolute value of the offset is greater than the first threshold value and less than the second threshold value, determining a distance compensation value between the two adjacent tabs according to the offset; and if the absolute value of the offset is greater than or equal to a second threshold value, determining a distance compensation value between the anilox roller and the passing roller according to the offset. According to the adjusting method, when the absolute value of the offset of the tabs is larger than the first threshold value and smaller than the second threshold value, the offset of the tabs can be improved by compensating the distance between every two adjacent tabs by utilizing the characteristic that the cutting precision of the die cutting device is high. And when the absolute value of the offset of the tab is greater than or equal to the second threshold value, the offset of the tab can be improved by compensating the distance between the anilox roller and the passing roller by utilizing the characteristic that the distance between the anilox roller and the passing roller has a relatively large adjusting range.

The invention belongs to the field of aeronautical composite material structure components, and relates to a forming method of a composite material topological structure high wall panel. According to the method, the problem of unconventional wall positioning is solved, the relative relation of the positions of the J-shaped high wall after the composite topological structure wallboard is formed is ensured, the problem of follow-up assembly axis deviation is solved, the coplanarity of the upper edge strips of the J-shaped high wall is ensured, the internal quality and appearance control are ensured, the precise process and tool control of composite manufacturing is realized, and the production efficiency is improved. The method is the core of technical breakthrough in the field of domestic composite material processing, and is also suitable for forming other high wall panels with different section structures.

The utility model relates to the technical field of lead screw detection, in particular to multifunctional lead screw detection equipment, which mainly comprises a supporting plate, a bearing seat is fixedly mounted in the middle of the top end of the supporting plate, a torsion sensor is connected to one side of the bearing seat, a gear motor is mounted on one side of the torsion sensor, and a detection adjusting assembly comprises a sliding block. A mounting plate is arranged at the top end of the sliding block, a sliding frame is fixedly connected to the outer side of the sliding block, and a replacement chuck is connected to one side of the mounting plate. According to the multifunctional lead screw detection equipment, the mounting plate and the sliding block are slidably clamped and fixed, so that the mounting plate is convenient to disassemble, the mounting plate and the replacement chuck are fixed and limited through insertion and are also convenient to disassemble and assemble, the replacement chucks matched with lead screws of different models can be conveniently replaced, and the practicability is high. And the replaced replacement chuck is matched with the bearing seat to stably position the screw rod, so that the abrasion is reduced, and the efficiency and the precision of the detection equipment are ensured.

The utility model discloses a hot runner placing plate structure which comprises a skeleton frame, a reinforcing vertical beam is connected in the middle of the skeleton frame, a plurality of vertical rods are connected in the skeleton frame, a plurality of groups of cross rods are connected between the adjacent vertical rods, and a plurality of positioning notches are formed by the adjacent staggered vertical rods and the cross rods. A plurality of positioning inserting holes are evenly formed in the upper end of the framework plate in the circumference direction in a concave mode, and nozzle connecting holes are formed in vertical rods on the two sides of the reinforcing vertical beam. Compared with the prior art, the hot runner placing plate structure has the advantages that a novel placing plate structure is provided, the fixing effect is ensured, and the hot runner placing plate structure is convenient to disassemble, assemble and use.

The utility model discloses a temperature-adjustable hot-pressing device for processing a plastic packaging box, which comprises a top plate, a bottom plate and a box body, the top end of the box body is provided with the bottom plate, both sides of the top end of the bottom plate are provided with limiting structures, and both sides of a fixed block are provided with dismounting structures. The limiting plate is arranged at the top end of the bottom plate, the limiting plate and the bottom plate are connected through the threaded rod and the connecting rod, and the threaded rod is in threaded connection with the mounting plates on the two sides of the limiting plate, so that the mounting plates can be driven to ascend and descend by screwing the threaded rod, and the limiting plate can be driven to ascend and descend by ascending and descending of the mounting plates; the plastic to be processed can be pressed between the limiting plate and the bottom plate through the lifting of the limiting plate and the cooperation of the limiting plate and the bottom plate, the plastic is limited, the plastic is prevented from deviating during processing, the limiting plate is prevented from deviating during moving, and therefore the purpose that the hot pressing device for plastic packaging box processing can conveniently limit the plastic plate to be processed is achieved.

The invention discloses an image coding and decoding method and system for adaptive parameter adjustment, and the method comprises the steps: S1, carrying out the segmentation of an image based on pixel features, and obtaining a plurality of image blocks; s2, calculating a center pixel index for each image block; s3, classifying the image blocks based on the feature vectors of the image blocks to obtain image block categories; s4, based on the category of the image block, adaptively adjusting a sparse parameter, solving a minimum sparse vector based on the sparse parameter, and carrying out sparse coding on the image block to obtain a coded image block; and S5, decoding based on the minimum sparse vector to obtain reconstructed image blocks, and arranging the reconstructed image blocks according to the center pixel index to obtain a complete image. According to the invention, the image is segmented based on the pixel similarity features, which is beneficial to accurate segmentation of the image blocks; coding parameters are adaptively adjusted based on image block categories, accurate coding and decoding are facilitated on the basis of distinguishing targets and backgrounds, and the coding efficiency and quality are improved.

The utility model discloses geogrid laying technical field's geogrid laying device, including the frame with at least one group walking wheel, the movable core shaft of rotatable is equipped with on the frame, the tail of frame rotatably is equipped with the flattening roller, the central axis of core shaft is parallel with the central axis of flattening roller, the movable core shaft is rotatably equipped with the loose roller between the above -mentioned and the above -mentioned flattening roller, the central axis of loose roller is parallel with the central axis of core shaft, the above -mentioned loose roller is passed through transmission assembly and is driven connection with the above -mentioned walking wheel, the ring side of above -mentioned loose roller is equipped with a plurality of loose hanging rod that can go in and out geogrid mesh. Will remove power conversion into the automatic loose power of geogrid, and set up a plurality of loose hanging rod on the loose roller, combine the flattening mechanism of time, realized the mechanized laying of replacement artificial tow, relative to the laying scheme of simple through pressure in the prior art, it can improve the offset and wrinkle that appears in the geogrid laying to a great extent, promotes the efficiency and guarantees the laying quality.

A drive system for a floor cleaner includes a longitudinally extending drive housing. The motor and the gear arrangement are located at least partially within the drive housing and are disposed longitudinally relative to each other. The drive output of the electric machine provides drive to the output member through a gear arrangement comprising an asymmetric planetary gear set having two planetary gears of different sizes. A cleaning head assembly including the drive system, a cleaning head for a cleaner, and a wet floor cleaner are also disclosed.

The present invention relates to a micro floating joint at the end of an industrial robot, which is used to connect the end of the robot and the end tool, and includes a Z-direction floating sleeve, a Z-direction floating guide seat is provided in the gap inside the Z-direction floating sleeve, so that the Z-direction floating sleeve can move axially along the Z-direction floating guide seat; the end of the Z-direction movable guide seat is connected to a fixing piece, an intermediate floating body is provided at the end of the fixing piece away from the Z-direction floating guide seat, and the fixing piece and the intermediate floating body are connected through an X-direction floating mechanism; a floating slider is provided at the end of the intermediate floating body away from the fixing piece, and the intermediate floating body and the floating slider are connected through a Y-direction floating mechanism, and a floating flange is fixed at the end of the floating slider away from the intermediate floating body, so that the floating flange can move in the XY plane. The present invention can flexibly float and connect the end of the robot and the end tool, and has good return to centering performance.