21results about How to "Reduce displacement deviation" patented technology

The utility model relates to a pneumatic puncher multi -position carousel formula feeding mechanism belongs to mechanical production processing technical field, including work table, the top of work table is provided with four fixed mechanism, and the fixed mechanism includes the shell, the inside installation of shell has double -shaft motor, and the two output ends of double -shaft motor all fixedly installed have screw rod. The device can adjust the interval between two rubber blocks through the cooperation between double -shaft motor, screw rod, threaded sleeve, limit block and limit groove in fixed mechanism, and the device can be flexibly adapted to workpieces of different sizes, the device does not need to frequently change the clamp, the device enhances the adaptability of equipment to diversified production demand, reduces the production preparation time, and through the cooperation of damping rod, spring and rubber block, the device can provide buffer pressure when clamping workpieces, the device can realize the continuous machining of workpieces of different specifications, reduces the production adjustment time, reduces the labor intensity of operating personnel, and improves the overall production efficiency.

The utility model relates to a kind of overall hoisting system of large wind power equipment based on truss structure, and the system includes four overall truss structures being set in vertical ring around tower base, the connecting adjusting device with rotating and moving adjustment function, the slewing bearing mechanism with high-precision mark line, the laser positioning system for real-time acquisition position deviation, the level adjustment instrument for real-time monitoring horizontal state and the lifting device independently controllable;Through the collaborative work of each component, realize the synchronous lifting and high-precision installation of large wind power equipment from cabin, hub, blade to tower drum;Through five steps of early preparation, truss and component connection, lifting and attitude adjustment, high-altitude docking and unloading separation, significantly improve hoisting docking precision and operation efficiency, effectively avoid high-altitude operation risk, and enhance the wind resistance and adaptability of system in complex environment.

The utility model discloses an anti-skin-effect large-section submarine cable conductor structure and a cable thereof. The anti-skin-effect large-section submarine cable conductor structure comprises a circular conductor layer and a molded line layer from inside to outside, the circular conductor layer is composed of a plurality of layers of conductor monofilaments which are twisted together and are subjected to oxidation treatment, and a longitudinal wrapping water-blocking tape is arranged outside each layer of conductor monofilaments after each layer of conductor monofilaments are twisted; the number of the molded line layers is at least two, water-blocking materials are filled among the molded line single lines in the same layer of the molded line layers, and wire enamel is sprayed among the layers. An oxidation film is arranged on the surface of each round copper conductor single line, so that the interference among the single lines is small, the eddy current effect is low, the anti-skin effect is good, and the current-carrying capacity of the conductor is strong; the outer layer adopts molded lines for water-blocking filling and paint spraying treatment, displacement deviation among the conductors is small, the insulation effect is good, the outer diameter of the conductor can be effectively reduced, and the surface electric field of the conductor is more uniform. When the cable is applied to the cable, compared with a common cable, the cable has a better water-blocking effect and larger effective current-carrying capacity.

The utility model discloses a shaking device for drug synthesis, relates to the technical field of drug synthesis, and aims to solve the technical problems that the existing rigid clamping structure is easy to cause micro-slippage of a test tube during high-frequency or variable-angle vibration and insufficient friction force affects the mixing uniformity of drug synthesis, and comprises a base, a vibration mechanism and a shaking mechanism, the shaking mechanism is arranged on the vibrating mechanism, the vibrating mechanism is arranged in the base, the shaking mechanism comprises a support, a notch is formed in the front end in the support, a clamping unit is arranged in the notch, and an adjusting unit is arranged at one end of the support. The outer wall of the test tube is gradually clamped through the guide design that the clamping blocks A and the clamping blocks B of the V-shaped structure are matched with the inserting grooves, deformation caused by stress concentration is avoided, the test tubes of multiple sizes are matched through pure mechanical adjustment, the manufacturing cost and the maintenance difficulty are reduced, the clamping blocks can be conveniently matched with containers of different specifications through the pluggable design, and the practicability is high. And clamping stability and economical efficiency are both considered in small and medium-sized laboratory scenes.

The utility model discloses an inner sandwich thermal insulation wall structure which comprises a first side plate, a second side plate and a thermal insulation plate, a supporting structure is arranged between the first side plate and the thermal insulation plate, the supporting structure comprises a supporting base plate, the supporting base plate comprises a base plate body and a protruding part protruding towards the first side plate body relative to the base plate body, and the base plate body abuts against the thermal insulation plate; the supporting piece surrounds the protruding part, isolation gaps used for pouring concrete are formed between the supporting piece and the base plate and between the supporting piece and the protruding part, and the supporting piece abuts against the first side plate; the connecting piece is detachably connected with the supporting base plate and the supporting piece, and the connecting piece supports the supporting base plate and the supporting piece. The supporting structure supports the insulation board and can limit displacement of the insulation board and reduce displacement deviation of the insulation board. The isolation gaps exist between the supporting pieces and the base plate and between the supporting pieces and the protruding parts, the supporting pieces are isolated from the base plate and the protruding parts through the concrete, and conduction of heat through the supporting pieces, the base plate and the protruding parts is reduced.

The application relates to the technical field of batteries and discloses a battery cell and a battery pack. The battery cell comprises a shell, an open end of the shell, a pole group arranged in the shell, the pole group comprising a positive pole sheet, a diaphragm and a negative pole sheet arranged in layers, the diaphragm extending out of the upper side walls of the positive pole sheet and the negative pole sheet, a battery cell cover plate assembly comprising a cover plate and a lower plastic, the cover plate being arranged on the open end, the lower plastic being arranged on the lower surface of the cover plate and in the shell, the lower surface of the lower plastic being provided with a separation part and a pair of limiting parts, the pair of limiting parts being respectively arranged at opposite ends of the lower surface of the lower plastic, the separation part being arranged between the pair of limiting parts, the end area of the separation part away from the cover plate being smaller than the end area of the limiting part away from the cover plate, the length of the separation part being smaller than the length of the limiting part, and the separation part and the limiting part both abutting against the part of the diaphragm extending out of the positive pole sheet and the negative pole sheet. The compression amount of the separation part on the diaphragm is reduced, and the possibility of damage of the separation part to the pole group is reduced.

The utility model belongs to the technical field of laser marking equipment, specifically discloses a kind of semi-automatic multifunctional cryopreservation tube laser marking instrument, comprising: support unit, bearing unit, laser marking unit and rotating unit;The support unit is located in worktop, and it includes bottom plate and the first support of fixedly arranged on the upper end of the bottom plate;The bearing unit is slidably connected with the bottom plate by the first moving mechanism arranged on the upper end of the bottom plate, and the upper end is equipped with the bearing cavity compatible with cryopreservation tube;The laser marking unit is arranged on the first support, and its marking head is aligned with the cryopreservation tube on the bearing unit;The rotating unit is rotatably connected with the marking head or the cryopreservation tube and drives the marking head or the cryopreservation tube to rotate, so that laser scans the cryopreservation tube to be marked area.The laser marking instrument of the utility model makes laser cover cryopreservation tube circumferential multiple positions by bearing cavity and rotating unit, and realizes all-around, multi-angle marking operation.

The invention relates to the field of printing equipment, and discloses a PVC decorative film printing equipment. In this scheme, a pattern is split into multiple parts, which are respectively arranged on different mold cylinders. In this way, after a rolling shaft embosses the texture on the surface of the corresponding mold cylinder onto a film, a mounting plate drives the rolling shaft to rotate as a whole, and switches to the next rolling shaft. After the rolling shaft rotates and embosses the texture on the surface of the corresponding mold cylinder onto the film, the two embossed textures are seamlessly connected. In this way, the rolling shafts are continuously switched for embossing until all the rolling shafts complete one embossing, so that the textures split on the surfaces of different mold cylinders form a large-scale complete pattern on the film. In this way, the embossing work of a large-scale pattern can be completed with simple equipment, and the equipment has a simple structure and less precision accessories, so that the use cost and later maintenance cost of the equipment are greatly reduced. At the same time, the mold cylinder can be freely replaced, so that the application range of the equipment is wider.

The utility model belongs to the technical field of reinforcing steel bar production and processing, disclose a reinforcing steel bar brake pay -off device, including frame and the multiple pay -off rack and multiple first wire guide mechanism of setting up in pairs on frame, pay -off rack includes pay -off base, drive assembly, main shaft, carousel, pay -off stand and connecting plate, the output of drive assembly connects main shaft to drive main shaft rotation, the bottom end of multiple pay -off stand is fixedly arranged in carousel, multiple pay -off stand is fixedly connected with main shaft through connecting plate, reinforcing steel bar can be wound in multiple pay -off stand, and one end of reinforcing steel bar is inserted in first wire guide mechanism and is led out. The utility model can control the release speed of reinforcing steel bar, stabilizes reinforcing steel bar pay -off process, can reduce the length deviation or displacement deviation caused by the uneven pay -off speed, ensures that reinforcing steel bar arrangement meets the design requirement, and reinforcing steel bars of different diameters and strengths can be fed synchronously, improving feeding efficiency.

The utility model discloses a kind of fin stamping die, specifically related to fin stamping technical field, including bottom plate, fixed column is fixedly connected in the bottom plate top;The fixed column one side is equipped with sliding slot;Sliding block is slidably connected in the middle part of the sliding slot;First support column is fixedly connected on the sliding block surface;First support column side wall is fixedly connected with mounting bracket;Stamping head is installed in the mounting bracket bottom;Fixed assembly is installed in the bottom plate top;By being equipped with electric push rod, limit rod, clamping plate etc. setting, multiple fixing to fin can be realized, the accuracy of fin when stamping is improved by multidirectional constraint, the displacement deviation of fin in processing process is greatly reduced, and simultaneously can adapt to the fixing demand of complex shape workpiece, avoid workpiece deformation caused by single point overpressure by dispersing stress.

A sensor connecting piece clamping sleeve press fitting jig is characterized in that the sensor connecting piece clamping sleeve press fitting jig is composed of a supporting structure, a piece pressing structure and a pressing mechanism, existing longitudinal press fitting is changed into transverse press fitting, a press fitting assembly is fixed to a back plate, the press fitting assembly on the other side is parallel to the back plate, offset of the press fitting structure is reduced, and the press fitting efficiency is improved. According to the press-fitting device, the materials to be press-fitted can be positioned more accurately when placed, displacement deviation is reduced, press-fitting can be performed more accurately, errors in the press-fitting process are reduced, and then the production quality of the sensor connecting pieces is improved.

The present invention discloses a pushing mechanism for material handling, which relates to the technical field of material handling, including a pushing and handling mechanism, wherein the pushing and handling mechanism includes a support plate, a fixed pin shaft is arranged above the support plate, the number of the fixed pin shafts is four, and the bottom end of each fixed pin shaft penetrates the support plate and extends to the bottom of the support plate. This pushing mechanism for material handling can process a wider range of materials at one time and reduce the number of handling times by providing an auxiliary extension pushing unit. At the same time, in the face of different production or logistics needs, the pushing length can be flexibly adjusted to adapt to changing working conditions. For material storage areas with large space or complex layout, the long-distance extension and strong thrust can ensure the smooth handling of materials, and can cope with the handling needs of materials of different shapes and sizes, has stronger versatility, and can further reduce the workload of manual participation in handling and reduce the dependence on a large amount of manpower.

The utility model discloses a roller guiding structure and a clothes dryer, the guiding structure comprises a roller, a supporting frame and a power assembly, a storage cavity capable of containing clothes is formed in the roller, the roller comprises a first end and a second end which are opposite to each other, and a rotating part is arranged at the first end in a protruding mode; the supporting frame comprises a base, a front supporting part and a rear supporting part, the front supporting part and the rear supporting part are both mounted on the base, a mounting position allowing the roller to be rotationally mounted is formed between the front supporting part and the rear supporting part, and an annular groove rotationally matched with the second end is formed in the side, opposite to the roller, of the rear supporting part; a rotating piece is arranged on the side, opposite to the first end, of the front supporting part and is in rolling connection with the peripheral face of the rotating part. The power assembly is installed on the base, and the power end of the power assembly is connected with the roller and used for driving the roller to rotate. According to the clothes dryer, through guiding cooperation of the rotating piece and the rotating part, rotating deviation caused by production errors can be avoided, and the reliability and stability of the clothes dryer in the running process are improved.

The present invention discloses a method and system for collecting and registering OCT human eye images based on a neural network. The offset between two images is directly obtained through a deep neural network model trained in advance, thereby reducing the time it takes for the OCT system to display high-quality images and reducing the displacement deviation between multiple images collected using the OCT system. Compared with the traditional compensation algorithm, the method proposed in the present invention does not require repeated calculation of the optimal offset, which reduces the time consumption of the offset process. At the same time, the present invention adopts a method based on A-scans registration, treating the two-dimensional OCT image as a non-rigid image, thereby improving the accuracy of compensating the displacement deviation of the OCT image.

This application discloses a power battery top cover loading mechanism, belonging to the technical field of battery top cover loading equipment. It mainly includes: a belt conveyor and a lifting assembly installed at one end of the belt conveyor. The lifting assembly includes frames installed on both sides of the belt conveyor, each frame having a fixed plate, and each fixed plate having a support plate. This power battery top cover loading mechanism, through the arrangement of a positioning plate and a drag plate, ensures that when the drag plate drives the pallet downwards, the positioning plate remains in contact with the side of the pallet, providing stable lateral limiting through surface contact and ensuring the pallet's horizontal positional accuracy. When the pallet is conveyed to the belt conveyor, the extended portion of the positioning plate remains in contact with the side of the pallet until the pallet fully enters the conveyor belt's transmission channel, thereby effectively reducing displacement deviations caused by inertia or vibration during pallet transfer.

The utility model discloses a chip sorting device which comprises a machine frame, the bottom of the inner side of the machine frame is rotationally connected with a tray, the top of the machine frame is connected with a hydraulic rod in a sliding mode, the bottom of the hydraulic rod is fixedly connected with a top plate, a plurality of material placing mechanisms are arranged at the bottom of the top plate, and each material placing mechanism comprises a first shell. The bottom of the first shell is fixedly connected with a bottom plate, one side of the first shell is fixedly connected with a second shell, the front portion of the first shell is slidably connected with a baffle, the inner side of the second shell is slidably connected with a top block, the bottom of one side of the first shell is fixedly connected with a guide column, and the outer side of the guide column is slidably connected with a push block. The bottom of one side of the first shell is movably connected with one end of a second spring, the other end of the second spring is movably connected with a push block, and the top of the top block is fixedly connected with the bottom end of a third spring. According to the chip sorting device, a plurality of chips can be placed at the same time, and the feeding efficiency is improved.

The utility model provides a toner cartridge with a novel conductive positioning structure of a drum core and a developing roller, which comprises a waste toner bin and a toner bin, the waste toner bin is provided with a front edge support table, an integrated conductive outer edge cover and the drum core, the drum core is arranged on one side in the waste toner bin, and the toner bin is provided with a front edge support table. The front edge supporting table is arranged on the side far away from the drum core, the integrated conductive outer side cover is integrally formed at one end of the waste powder bin, the powder bin is provided with a front edge positioning table, an integrated conductive inner side cover and a developing roller, the developing roller is arranged on one side in the powder bin and corresponds to the drum core in position, and the front edge positioning table is arranged on the front edge positioning table. The front edge positioning table is arranged on one side far away from the developing roller, the integrated conductive outer side cover is connected with the integrated conductive inner side cover through a plurality of electrified springs, and the front edge supporting table is connected with the front edge positioning table through positioning springs. The utility model relates to the technical field of toner cartridges.

This utility model relates to the technical field of auxiliary devices for drum scraper dryers, and in particular to a drum scraper dryer with adjustable scraper. It enables precise adjustment and real-time monitoring of the scraper position, reduces displacement deviation during scraping, improves material drying uniformity, and thus enhances the stability and practicality of the device. The device includes a main body, mounting bases, and a drum body. The top right end of the main body is connected to both ends of the drum body via two sets of mounting bases, and the left end of the drum body passes through a corresponding mounting base and connects to the rotating end of the main body. The device includes a scraper, connecting plate, two sets of mounting plates, support plate, connecting block, monitoring mechanism, and sliding mechanism. The front ends of the two sets of mounting bases are respectively connected to the rear ends of one set of mounting plates, and the front sides of the opposite ends of the two sets of mounting plates are respectively connected to one end of the connecting plate. The left and right ends of the two sets of support plates are respectively slidably attached to one end of one set of mounting plates.

An embodiment of the present invention provides an online evaluation method and system for a visual 3D target detection algorithm, wherein the method comprises: obtaining a sample data set of the visual 3D target detection algorithm, the sample data set comprising original sample images with a frequency greater than 2 Hz and carrying annotation information; inputting the first original sample image of the sample data set into the visual 3D target detection algorithm to output a detection result; and performing an index evaluation on the detection result and the annotation information of the second original sample image at the current moment in the sample data set. The frequency of the original sample image of the embodiment of the present invention is higher than the frequency of the sample data in the data set nuScenes, thereby increasing the sample frequency of the visual 3D target detection algorithm. When the running time of the visual 3D target detection algorithm is stable, increasing the sample frequency is equivalent to reducing the displacement deviation of the target object between the two sample images, and the index evaluation of the visual 3D target detection algorithm is more in line with the real-time requirements.

The invention relates to the technical field of traditional musical instruments, and discloses a Zheng bamboo cane and guide sleeve structure which comprises a Zheng shell, a supporting assembly is arranged on the lower side of the Zheng shell, a rear Yueshan is arranged on the upper side of the Zheng shell, a front Yueshan is arranged on the upper side of the Zheng shell, and a plurality of strings are arranged between the rear Yueshan and the front Yueshan. The upper side of the Chinese zither shell is provided with a guide mechanism, the top surface of the Chinese zither shell is provided with a panel assembly, the right side of the Chinese zither shell is connected with a tuning cover through a hinge, the interior of the Chinese zither shell is provided with a dust collection mechanism, and the two sides of the dust collection mechanism are provided with buckle mechanisms. Internal temperature and humidity are regulated through an air inlet box and a fan, the service life is prolonged, and the tone is stabilized; the U-shaped guide sleeve guarantees intonation and hand feeling; the dustproof box is kept clean and convenient to maintain through multi-layer filtering and convenient buckling, so that the Chinese zither is excellent in performance in various aspects, more happy in playing and more stable in state.

The invention discloses a magnetic suspension bearing suspension force and zero sequence current decoupling control system, particularly relates to the technical field of magnetic suspension, and comprises a four-bridge-arm inverter module, a double closed-loop control unit, a multi-source sensing acquisition module, a power driving module and a magnetic suspension bearing body. According to the decoupling control system for the suspension force and the zero-sequence current of the magnetic suspension bearing, the fourth bridge arm connected with the neutral point of the three-phase winding is additionally arranged, an independent zero-sequence current loop is constructed, and zero-sequence current closed-loop control based on the alpha-beta O coordinate system is matched, so that the suspension force and the zero-sequence current of the magnetic suspension bearing are decoupled. Zero-sequence current generated by three-phase imbalance, parameter asymmetry and magnetic field distortion in a traditional three-phase inverter architecture can be pertinently dredged and suppressed; and the fourth bridge arm adopts a SiCMOSFET power switch device and fly-wheel diode combined design, so that a compensation instruction can be quickly responded, winding current distortion caused by superposition of zero-sequence current to working current is avoided, and a linear control relationship between suspension force and current is guaranteed.