22results about How to "Low installation requirements" patented technology

This invention belongs to the field of nuclear magnetic resonance technology and discloses a compact superconducting coil heat transfer structure and a liquid helium-free superconducting magnet. The compact superconducting coil heat transfer structure, applied to a liquid helium-free superconducting magnet, includes a tubular superconducting coil winding frame. A flattened superconducting coil assembly is wound around the outer surface of the superconducting coil winding frame via grooves. A heat transfer plate is provided on the outer side of the superconducting coil winding frame, and an end-face heat-conducting plate is provided at each end of the superconducting coil winding frame. Each end of the heat transfer plate is connected to the corresponding end-face heat-conducting plate, and a heat transfer metal plate is connected to both end-face heat-conducting plates. The heat transfer metal plate is in contact with the superconducting coil assembly to form a closed heat transfer loop. This invention has a compact overall structure and, through the heat transfer plates, significantly reduces the risk of excitation quench, improving the ease of use and stability of the equipment.

The application belongs to the technical field of laser shaping, and discloses a scanning sheet light generating system for 3DLIF. The system comprises three modules, a first beam expanding and collimating module, a rotatable diaphragm and a second beam expanding module. The first beam expanding and collimating module is used for outputting collimated sheet light with a preset width. The rotatable diaphragm is provided with two slit bands on the outer circumference. Each slit band gradually rises along the circumferential direction and comprises a plurality of rectangular slits distributed continuously. The rectangular slits in the two slit bands are symmetric about the axis of the rotatable diaphragm. The collimated sheet light is incident from one of the rectangular slits, cut by the incident slit and emitted from the slit symmetric with the incident slit, and shaped into linear laser. The second beam expanding module is used for shaping the linear laser into scanning sheet laser with a diffusion angle. Through the application, the problems of complex structure, harsh installation requirement and non-parallel sheet light of the current sheet light source scanning system applied to 3DLIF technology are solved.

This invention relates to a method, system, and medium for measuring the spatial parameters of a monocular target object based on a 2D camera. The method includes: acquiring a calibration board image and an original distorted image captured by the 2D camera; calibrating the calibration board image using a calibration algorithm to obtain calibration parameters; correcting the original distorted image using the calibration parameters to obtain a corrected image; performing target detection; and outputting the external contour and target contour feature points of the target object; classifying the target contour feature points into upper boundary feature points and lower boundary feature points; calculating the relative distance between the target object and the 2D camera based on the lower boundary feature points and the calibration parameters; and performing curve fitting on the upper and lower boundary feature points and the lower boundary feature points, respectively, and calculating the actual height of the target object based on the calibration parameters. Compared with existing technologies, this invention has advantages such as improved measurement accuracy and adaptability to complex boundary targets.

The pot cover assembly comprises a cover body and an inner cover arranged below the cover body, an exhaust hole is formed in the inner cover, the pot cover assembly further comprises an anti-blocking cover arranged on the lower side of the inner cover, the projection, facing the inner cover, of the anti-blocking cover covers the exhaust hole, a heat insulation piece is fixed to the anti-blocking cover, and the heat insulation piece is fixed to the inner cover. The heat insulation piece is provided with a connecting part and a holding part, the connecting part is used for being fixedly connected with the inner cover, and the holding part protrudes out of the outer surface of the anti-blocking cover. The anti-blocking cover is fixed to the inner cover through the heat insulation piece, and the heat insulation piece is not prone to deformation at high temperature, so that the connecting effect and stability of the heat insulation piece and the inner cover can be kept, and stable connection and position stability of the anti-blocking cover are kept. When the anti-blocking cover is disassembled, a user can grasp the holding part, protruding out of the anti-blocking cover, of the heat insulation part to disassemble the heat insulation part and the anti-blocking cover from the inner cover together, and the holding part protrudes out of the surface of the anti-blocking cover, so that the heat insulation cover is convenient to hold by the user, the temperature of the heat insulation cover is low, and the user can obtain better touch feeling.

A truss-type formwork system for cast-in-place steel structure floor slabs includes a main structural I-beam, a support beam assembly, and a mounting system. The mounting system comprises: a plate assembly located at the flange of the main structural I-beam, including a fixed plate I and a fixed plate II disposed opposite to each other; a hanger rod disposed on the side end of the web of the main structural I-beam and used to connect the fixed plate I and the fixed plate II; an adjusting nut disposed at the connection between the fixed plate I and the hanger rod, and between the fixed plate II and the hanger rod; an abutment plate disposed on the hanger rod and located on the side end of the flange of the main structural I-beam; and a support beam disposed on the hanger rod and used to install the support beam assembly. This invention, by setting up a mounting system, is applicable to both main structural steel beams with a flange width greater than 200mm and those with a flange width less than or equal to 200mm. Furthermore, it exhibits high structural strength, good stability, and advantages such as simple installation, flexible application, and high turnover rate.

The application relates to the hair dryer technical field and provides a hair dryer with a rear-mounted temperature controller, which comprises a hair blowing head, a heating assembly and a temperature controller arranged in the hair blowing head; the heating assembly comprises a heating wire support and a hollow heat insulation cover, the first heating wire is wound around the outer periphery of the heating wire support, and the hollow heat insulation cover is arranged on the outer periphery of the first heating wire; the temperature controller is arranged in the hollow heat insulation cover and located at one end of the heating assembly far from an air outlet, and the side of the temperature controller far from the air outlet is provided with the second heating wire; a handle is arranged in the handle and is connected with the hair blowing head in communication, and the air making assembly is used for supplying air to the hair blowing head. According to the application, the temperature controller is arranged at one end of the heating assembly far from the air outlet, and the second heating wire is arranged at the side of the temperature controller far from the air outlet, so that the reaction sensitivity of the temperature controller is ensured, the interference of the temperature controller on the airflow in the hair blowing head is reduced, and the airflow noise is reduced.

The utility model discloses a printing roller ink scraper capable of being externally connected, which comprises a supporting shell, an even number of symmetrical rolling shafts are rotatably arranged in a groove of the supporting shell, and the supporting shell is connected with a supporting plate through a sliding shaft and a spring. The supporting plate is rotationally provided with a bent swing rod, the swing rod is provided with a limiting rack, and the inner supporting rod and the outer supporting rod are connected through a limiting sliding frame. A long shaft of the outer supporting rod is provided with a limiting rod matched with a limiting rack ratchet wheel. The ink scraper is composed of a sliding seat, a sliding rod, a mounting rod and a scraper. The ink scraping device can be directly installed on the upper printing roller shaft and the lower printing roller shaft and is suitable for printing rollers of various specifications, the ink scraping angle and position are flexibly adjusted through cooperation of limiting and the ratchet wheel and buffering stable supporting of the spring, the problems that a traditional ink scraping device is poor in installation adaptability, inconvenient to adjust, insufficient in stability and the like are solved, and the ink scraping effect of the printing rollers and the device universality are improved.

The utility model discloses an integrated intelligent control device, which comprises an intelligent screen and a function module, a first detachable connecting part is formed on a shell of the intelligent screen, and a second detachable connecting part is formed on a shell of the function module; the second detachable connecting part is connected with the first detachable connecting part in a matched mode, and the function module is detachably installed on the intelligent screen. According to the utility model, through the adaptive connection of the second detachable connection part and the first detachable connection part, the function module is detachably installed on the intelligent screen, that is, the function module and the intelligent screen are integrated into a whole to form the integrated intelligent control device, so that during installation, only a drive-by-wire box needs to be configured corresponding to the intelligent screen, and the function module is integrated on the intelligent screen; a drive-by-wire box does not need to be configured correspondingly, the wall body only needs to be provided with the intelligent screen corresponding to the installation position of the drive-by-wire box, and the installation requirement and the production cost can be reduced.

This application relates to the field of building assembly technology, and provides a modular steel structure box house assembly fixing device and box house. The fixing device includes: a load-bearing component, a rotating connector, a mounting frame, a hook plate, and an angle adjusting component. The load-bearing component is mounted on the upper surface of the upper crossbeam of the lower box house via the rotating connector. The mounting frame is mounted on the load-bearing component and located on the side of the upper box house. The hook plate is rotatably mounted on the mounting frame. The angle adjusting component is mounted on the hook plate and adjusts the rotation angle of the hook plate so that the hook plate presses against the upper surface of the lower crossbeam of the upper box house. The fixing device is installed on the lower box house via the rotating connector, making installation simple and quick. During installation, the weight of the upper box house allows the load-bearing component to automatically rotate, so that the hook plate automatically hooks onto the upper box house, thereby achieving self-locking and greatly improving installation efficiency. The angle adjusting component provides elastic compensation, reducing production precision requirements and installation requirements, making it suitable for various application scenarios.

The utility model discloses a liquid crystal display shock avoidance device relates to display shock attenuation technical field, aims at solving the problem of insufficient material strength of existing shock avoidance device, poor buffering effect, inflexible installation and high maintenance cost. It includes iron sheet support, left side support, right side support, galvanized square tube and hook, the iron sheet support is made of high strength material, is equipped with U type locating groove and installs foam buffer pad to reduce the friction of shock attenuation, and the left side support, right side support are L type, and the connecting position can be adjusted to enhance the firmness, and the galvanized square tube is connected with the iron sheet support through U type locating groove, and the bottom long waist round hole can be flexibly adjusted wall body installation position, and the top end groove cooperates with the hook, and the hook is integrally formed, and is fixed in the wall body and helps the fixed galvanized square tube. The device structure is simple, and the installation is flexible, and the buffering protection and firmness are considered, and the maintenance cost is reduced, and is suitable for the installation of house car liquid crystal display.

The utility model discloses a sawing and drilling assembly which comprises a horizontal drilling assembly and a saw blade assembly which are integrated in a drilling bag to form the sawing and drilling assembly, and horizontal drilling and sawing functions can be simultaneously completed in one-time extending action. The sawing and drilling assembly can be integrated with a vertical drilling assembly, and therefore the horizontal drilling function, the vertical drilling function and the sawing function can be completed at the same time in one-time stretching action. The integrated drilling machine has multiple implementation modes, one or more horizontal drilling assemblies can be selectively integrated according to machining requirements, or the vertical drilling assemblies can be further integrated. The saw blade assembly comprises a saw blade, a mounting seat and a pneumatic execution assembly, and the mounting seat is provided with a mounting connector used for mounting the horizontal drill assembly or the vertical drill assembly. The horizontal drill assembly and the vertical drill assembly comprise respective drill bits and main shafts which are connected with the saw blade assembly through installation connectors.

The application discloses a variable environment thermal wave hole detection method based on physical and data double driving, relates to a variable environment thermal wave hole detection method, and realizes final detection by combining a physical model and a digital model; the physical model is composed of finite element simulation simulation, a thermal imager and the Internet; the digital model is composed of a convolutional neural network and a support vector machine; original data are obtained by using the physical model, are transmitted into the digital model through the Internet for training and detection, and finally, the detection of the variable environment thermal wave hole based on physical and data double driving is realized; the method identifies real detection environment parameters in reverse, avoids the problem of inaccurate detection caused by environment change, can rapidly and accurately detect the material internal hole under the detection environment, and has high application value and conversion prospect.

The utility model discloses an anti-leakage oil sealing assembly of an axle negative pressure driving device, which comprises a sealing head, a main sealing lip is clamped at the upper end of the sealing head, four clamping blocks are fixed on the periphery of the lower end of the sealing head at equal intervals, an auxiliary compensation lip is clamped on the four clamping blocks, and the auxiliary compensation lip is sleeved on the peripheral side wall of the sealing head. The auxiliary sealing lip is additionally arranged, stepped pressure distribution is formed, the sealing effect is greatly improved, oil leakage can be effectively prevented, normal operation of an axle negative pressure driving device is ensured, the abrasion resistance of the sealing lip is remarkably improved, the sealing lip can bear friction and extrusion for a longer time, the service life of the sealing assembly is prolonged, and the service life of the sealing assembly is prolonged. Meanwhile, the sealing assembly has good physical performance and chemical stability, can adapt to complex working environments, further improves the durability of the whole sealing assembly, can achieve installation error compensation, and reduces the installation difficulty and the requirement for installation precision.

This invention belongs to the field of bridge engineering technology and discloses a multi-stage variable friction energy dissipation bridge vibration damping device with constant pressure and anti-loosening function. It includes fixed friction plates, limiting rods, sliding friction plates, holes, a drive rod, a connecting rod, and a tension spring. Under the action of earthquakes, vehicles, and wind loads, when the main beam undergoes longitudinal and lateral displacement relative to the bridge tower, the drive rod causes displacement between the multi-layer sliding friction plates and the multi-layer fixed friction plates, generating frictional energy dissipation and suppressing vibration. The bridge vibration damping device of this invention has a simple structure, low cost, high friction force, constant force, low installation requirements, and good durability. The multi-layer fixed friction plates and sliding friction plates are made of non-uniform thickness plates, and the holes in different layers of sliding friction plates have different shapes, sizes, and positions to adapt to different amplitudes and energy dissipation requirements. The tension spring provides a persistent and constant pressure to the bridge vibration damping device, ensuring stable and reliable friction force and avoiding the defects of traditional bolt fastening methods, such as easy loosening and significant reduction in friction force.

The utility model discloses a novel counterweight guide mechanism, which relates to the technical field of logistics equipment and comprises a counterweight frame, a guide rail, a shock-absorbing universal ball with an internal spring and a chain connecting rod. The guide rails are two pieces of equilateral angle steel welded to the inner sides of the stand columns, the shock-absorbing universal balls with the springs inside are attached to the outer side wall of the balance weight frame in a locked mode, the ball ends of the universal balls are attached to the guide faces of the equilateral angle steel through compression springs, and the chain connecting rods are used for being connected with the lifting tray. The equilateral angle steel is adopted to replace a traditional linear guide rail and matched with the shock-absorbing spring universal ball to achieve low-precision installation adaptation, the equilateral angle steel can be formed without precision machining and welding, and the cost is reduced compared with that of the linear guide rail. The balance weight frame is located between the two stand columns and suitable for compact equipment. The problems that an existing linear guide rail guiding mechanism is high in installation precision and cost and large in occupied space are solved, the technical effects of being low in cost, easy to install and capable of saving space are achieved, and the linear guide rail guiding mechanism is suitable for various logistics hoisters and lifters.

The application discloses a kind of line array camera proportion coefficient and translation amount calibration method based on rotating platform, belong to machine vision calibration technical field.Method includes: through line array camera acquisition synchronous following rotating platform rotation's calibration board image, each line image of line array camera acquisition and rotating platform's rotation angle one-to-one correspondence;Calibration board is circular and at least 2 groups of round holes are set, the position of round hole is symmetrical relative to the center of calibration board and physical size is known;According to the physical size of round hole on calibration board and the pixel size of round hole in image, the proportion coefficient of line array camera is calculated;Using rotation angle and the center of round hole in the conversion relationship between rotating platform coordinate system and camera coordinate system, solve horizontal axis translation and vertical axis translation;The application does not need to accurately align the center of calibration board and rotating platform center, and the calibration process is simple, efficient, with the advantages of good robustness, high precision.

This application provides a docking and transfer mechanism and a transfer platform having the same. The mechanism includes: a parts placement platform, which provides a platform for placing parts to be assembled, and the interior of the parts placement platform has a hollow cavity; a transmission component, which is disposed within the cavity, with one end of the transmission component extending through the parts placement platform and connected to an operating component, the operating component having a locking component that limits the position of the transmission component; and a clamping component, which is connected to the transmission component through a guide component and is located at the bottom end of the parts placement platform. The docking and transfer mechanism and transfer platform having the same described in this application can be used with different types of parts placement platforms and clamped parts, requiring less structural installation space and fewer installation conditions, and is applicable to the assembly and docking process of different types of parts, achieving the technical effect of transferring and docking parts.

The utility model relates to the technical field technical field of brake technology discloses a clutch pressure disc type brake device, including the wheel, the axle of setting in the wheel center position and the brake disc assembly of setting on the axle of wheel one side rotatable with the wheel, brake disc assembly is by fixed disc and movable disc is composed, fixed disc is fixedly connected with the wheel, one side of movable disc still has clutch mechanism and swing arm with coaxial, and movable disc is configured as the state of enforcement rotates with fixed disc and wheel together, brake state, and swing arm drives clutch mechanism axial in -migrate and presses movable disc clamping and restricts fixed disc rotation. Solveed the problem that the existing brake device uses friction material and is easy to wear, service life is short, and the powder dust produced after wearing influences human health and surrounding environment etc.

The application provides a compressor air intake cooling system and compressed air energy storage system, and belongs to the technical field of compressed air energy storage. The compressor air intake cooling system comprises a compressor, a double-fluid nozzle integrated component, a gas supply path and a liquid supply path. The compressor has an air inlet and an air outlet. The double-fluid nozzle integrated component is installed on the air inlet, and the outlet of the double-fluid nozzle integrated component is communicated with the air inlet. One end of the gas supply path is connected with the gas channel of the double-fluid nozzle integrated component, and the other end is connected with the air outlet. One end of the liquid supply path is connected with the liquid channel of the double-fluid nozzle integrated component, and the other end is connected with a cooling liquid storage device. The double-fluid nozzle integrated component is used to provide a lower pressure without high temperature, so that a high gas-liquid flow rate difference can be realized, liquid fine atomization can be realized, the lower pressure can effectively reduce the nozzle wear rate, the maintainability can be improved, the installation requirements of the pipeline and equipment can be reduced, and the reliability and safety of the system can be improved.

The utility model relates to the technical field of line lamp, specifically discloses a LED line lamp mounting lamp stand, including mounting seat and mounting block, mounting seat side wall is equipped with the mounting groove that sets up, the inside wall top and bottom of mounting groove are provided with the clamping block that is symmetrical, the inside slidingly connected with mounting block of mounting groove, the inside wall of mounting block is equipped with two clamping grooves, the clamping groove is matched with the clamping block, the recess is equipped with the contact mechanism including fixed column and contact piece in the clamping groove, the recess both sides are fixedly installed with fixed column, and one contact piece is slidingly connected between two fixed columns, and the contact piece is trapezoidal structure. Contact mechanism is to change the wiring mode of mounting block into contact type, just need to directly insert the mounting block of different wiring mode into mounting groove, can replace and reduce the installation requirement, and the operation is more convenient.

This invention provides a drive mechanism and a polishing machine. The drive mechanism includes a rotating shaft, a rotating driver, a rotating component, and a lifting driver. A driving unit is located at one end of the rotating shaft. The rotating driver is dynamically coupled to the rotating shaft, driving it to rotate along a central axis. A mating part is provided on the rotating component. The lifting driver is dynamically coupled to the rotating component, driving it to move up and down along the axial direction of the rotating shaft. When the rotating component is in the engaged position, the driving unit and the mating part form a limiting fit in the rotational direction of the rotating shaft, allowing the rotating shaft to drive the rotating component to rotate. This invention's drive mechanism adopts a split structure, making disassembly and maintenance simpler and more convenient. Since no additional fixing structure or driver is needed on the rotating component, the equipment size is reduced. The drive mechanism has lower requirements for installation accuracy and parts machining, thereby reducing equipment costs and increasing service life.