32results about How to "Structure miniaturization" patented technology

This utility model discloses a magnetic polishing needle separation device, comprising: a filter box and a filter basket; the filter basket has a filter hole group that allows magnetic needles and fluid medium inside the basket to leak out of the filter basket while the workpiece inside the basket remains inside the filter basket; an opening is provided at the top of the filter box, and a swinging device is provided inside the filter box, allowing the filter basket to be placed on the swinging device through the opening, and the swinging device swings the magnetic needles inside the filter basket to be sieved out and fall into the filter box. The magnetic polishing needle separation device with the above structure can automatically separate the workpiece from the magnetic needle, with good separation effect, high degree of automation, greatly improving production efficiency and reducing labor intensity and labor costs.

This utility model belongs to the technical field of transfer devices, and in particular to a seedling transfer device for agricultural planting. It includes a trailer frame with fences installed on three sides of the top, and a support fixedly connected to the front of the trailer frame. This utility model effectively solves the problems of low efficiency, easy damage to seedlings, and poor adaptability in traditional seedling transfer methods: the combined structure of the trailer frame, fences, and door panels not only achieves neat support and all-round protection for the seedlings, preventing slippage or crushing damage during transfer, but also simplifies loading and unloading operations through the quick-opening and closing design of the connecting rod and L-shaped buckle; the linkage of the double rotating shafts and leaf springs is compatible with tractors and other agricultural machinery for traction, improving the efficiency of large-scale transfer, while buffering the impact of field bumps on the seedlings and ensuring seedling vitality; the overall structure is lightweight and highly adaptable, catering to the needs of small and medium-sized growers and large-scale farms, reducing labor costs, and providing a guarantee for subsequent transplant survival rate and planting efficiency.

The utility model discloses a blocking device for a goods shelf track of a stereoscopic warehouse, which comprises a lifting platform and the goods shelf track, and the lifting platform can be lifted to be butted and matched with the goods shelf track; a cross beam is fixedly arranged on the side, close to the lifting platform, of the goods shelf rail, the cross beam is not higher than the traveling face of the goods shelf rail, and a blocking assembly is arranged on the side, close to the lifting platform, of the cross beam. The side, close to the goods shelf track, of the lifting platform is provided with a driving assembly corresponding to the blocking assembly, and when the lifting platform ascends to be in butt joint with the goods shelf track, the driving assembly drives the upper end of the blocking assembly to deflect to be lower than the lower end of a vehicle body of a shuttle vehicle running on the goods shelf track; through the automatic opening and closing function of the blocking assembly, the blocking structure higher than the lower end of the shuttle vehicle body can be used for preventing the vehicle from falling in the non-butt-joint state, the driving assembly triggers the blocking assembly to deflect to the safe position when the lifting platform is in butt joint, and seamless passing is achieved.

The invention relates to the field of atomic interference measurement, in particular to an atomic Raman interferometer based on a flat-topped beam. Comprising two Raman interference subsystems arranged in parallel, each of the two Raman interference subsystems comprises an ultrahigh vacuum cavity and a light path system, and the light path system comprises a flat-topped beam shaping module located on one side of the high vacuum cavity and a Raman light Doppler sensitive configuration module located on the other side of the high vacuum cavity; in the flat-topped beam shaping module, the holographic algorithm principle is adopted, the actual size of atoms in an interference area is combined to determine the size of a target flat-topped beam, the initial complex amplitude is precisely constrained, and a final diffraction phase is obtained through iterative optimization. After the Raman light passes through the diffraction phase, the Raman light is shaped into a flat-topped light beam with a target size and uniform intensity distribution at the ultrahigh vacuum cavity, so that the coherence efficiency under the same interference time is remarkably improved.

The application belongs to the field of wind power generation, and particularly relates to a small micro-wind wind power generation device, which comprises a fixed shaft, a rotating shaft sleeve, a magnetic floating bearing assembly, a blade assembly and a generator; the rotating shaft sleeve is coaxially arranged on the fixed shaft; the magnetic floating bearing assembly comprises an axial magnetic floating bearing and two radial magnetic floating bearings; the stators of the axial magnetic floating bearing and the radial magnetic floating bearings are fixedly connected with the fixed shaft, and the rotors are fixedly connected with the rotating shaft sleeve. The magnetic floating bearing assembly realizes the rotating cooperation of the fixed shaft and the rotating shaft sleeve, and the stators of the axial magnetic floating bearing and the two radial magnetic floating bearings, the rotating shaft sleeve and the fixed shaft are arranged in gaps in sequence, which can ensure the fixing stability of the stators in the axial magnetic floating bearing and the radial magnetic floating bearings on one hand, and can ensure the relatively closed position of the rotors in the axial magnetic floating bearing and the radial magnetic floating bearings and the rotating shaft sleeve on the other hand, while ensuring the lightweight structure of the rotors and the rotating shaft sleeve and reducing the wind power loss.

The hydraulic equipment based on the prestress stand column structure comprises a base (101), a workbench (102), a stand column (103), a movable cross beam (104) and a fixed cross beam (106), and is characterized in that the stand column (103) is of a plate frame structure, the plate frame structure is composed of four coamings (1), a plurality of rib plates (2), an upper tensioning plate (3), a lower tensioning plate (3) and tensioning steel bars (4), the rib plates (2) are fixed in the coamings (1) to form a grid structure, and the upper tensioning plate (3) and the lower tensioning plate (3) are fixed on the workbench (102). Each grid structure is provided with a tensioning steel bar (4), the upper end and the lower end of each tensioning steel bar (4) are loaded with prestress through a conical anchorage device (5) and are fixed on the corresponding upper tensioning plate (3) and the corresponding lower tensioning plate (3), and the upper tensioning plate (3) and the lower tensioning plate (3) are installed at the upper end and the lower end of the surrounding plate (1). The hydraulic device is light in structure, uniform in stress distribution, convenient to manufacture and excellent in fatigue performance, the overall performance of the hydraulic device is remarkably improved, and the manufacturing cost is reduced.

The utility model discloses a light intensity adjusting device and a laser optical system, and relates to the technical field of optics. The light intensity adjusting device comprises a beam expanding and shaping assembly and a polarization adjusting assembly which are sequentially arranged along a light path. The beam expanding and shaping assembly comprises a shaft distance adjusting piece, a first optical element and a second optical element, wherein the first optical element and the second optical element are arranged on the two opposite sides of the shaft distance adjusting piece respectively. The shaft distance adjusting piece drives the first optical element to move in the axial direction to get close to or get away from the second optical element. The polarization adjusting assembly comprises a rotation driving part, a wave plate and a polaroid, the wave plate is arranged between the polaroid and the second optical element, and the rotation driving part can drive the wave plate to rotate with the optical axis as the rotation axis; the first optical element, the second optical element, the wave plate and the polarizer are arranged along the same optical axis. The light intensity adjusting device is compact in structure, light intensity can be accurately adjusted, and the output stability and uniformity of laser are improved.

This utility model discloses an adjustment mechanism for a testing platform used in the production of new energy vehicle batteries, relating to the field of new energy battery testing technology. It includes a base assembly and support leg assemblies. Two sets of support leg assemblies are movably mounted on both the left and right sides of the base assembly, and track assemblies are symmetrically and horizontally mounted on the top surface of the base assembly. A connecting platform component is movably connected to the top of the track assemblies. This adjustment mechanism for a testing platform used in the production of new energy vehicle batteries, through the base assembly, allows for a certain degree of structural expansion, enabling flexible adjustments to the testing platform while ensuring sufficient structural support to guarantee the stability of the vehicle battery testing. The support leg assemblies provide vertical lifting and lowering adjustment of the entire base assembly as needed. The structure of the track assembly and connecting platform component connects and combines the testing platform with it, ensuring flexibility and convenience of adjustment.

This invention discloses a biomimetic cheetah spine-pelvis coordinated elastic energy storage and burst mechanism, belonging to the field of high-speed quadruped robot power drive technology. Existing cheetah spine patents mostly focus on single-spine elastic buffering, failing to address the core mechanism of coordinated burst power through "spine bending + pelvic rotation," resulting in insufficient explosive force and low energy conversion efficiency at high speeds. This invention mimics the biological movement patterns of a cheetah's periodic spinal bending and synchronous pelvic rotation during running, designing a dual-elastic energy storage unit between the spine and pelvis. Through tendon linkage, a complete cycle of "energy storage-release-coordinated burst power" is achieved, enabling the robot to accelerate from 0 to 10 m / s in ≤0.3s with an energy recovery efficiency ≥60%, significantly overcoming the performance bottleneck of existing single-spine mechanisms. This mechanism features an original structure and novel layout, and can be widely applied to high-speed reconnaissance robots, racing robots, and obstacle-crossing robots.

This invention relates to the field of vibration reduction and noise reduction technology, specifically to a spiral acoustic black hole structure with enhanced thickness and a ring-ribbed cylindrical shell. It includes a spirally coiled portion and a mounting component for mounting the spirally coiled portion onto the structure to be vibration-damped. The spirally coiled portion includes an extended enhanced thickness portion, a damping portion, and a one-dimensional acoustic black hole strip with gradually varying thickness. The damping portion is tightly attached to the inner wall of the extended enhanced thickness portion, and its inner end is flush with the inner end of the extended enhanced thickness portion. The outer end of the extended enhanced thickness portion is connected to the end of the mounting component. A one-dimensional acoustic black hole strip is tightly attached to the inner wall of the extended enhanced thickness portion between the outer end of the damping portion and the end of the mounting component. The thicker end of the one-dimensional acoustic black hole strip is connected to the end of the mounting component, and the thinner end of the one-dimensional acoustic black hole strip is connected to the damping portion. This invention can achieve both low-frequency and wide-frequency vibration reduction with a relatively low space occupancy.

A kind of parapet-based photovoltaic support anti typhoon structure, including parapet, main wind-resistant longitudinal beam, first column support, first column, second column support, second column and photovoltaic panel mounting frame;Parapet inside is provided with anchor pre-embedded steel plate, main wind-resistant longitudinal beam is fixed on anchor pre-embedded steel plate by anchor;First column support and second column support are spaced apart and arranged on the front and back, and are respectively connected on main wind-resistant longitudinal beam;The bottom of first column is connected on first column support, and the top is connected on the front side of photovoltaic panel mounting frame;The bottom of second column is connected on second column support, and the top is connected on the back side of photovoltaic panel mounting frame.Through main wind-resistant longitudinal beam and anchor pre-embedded steel plate, parapet and photovoltaic support are connected together, horizontal wind load is conducted to parapet by main wind-resistant longitudinal beam, substantially by parapet stability, the anti typhoon capacity of photovoltaic support is greatly improved, and the anti-overturning capacity and connection stability of photovoltaic support are enhanced.

A variable cross-section air intake duct calibration and inspection assembly mold and its usage method are disclosed. The theoretical model of the variable cross-section air intake duct consists of an upper small horn annular section and a lower large horn annular section streamlinedly connected as a whole. The usage method of the calibration and inspection assembly mold based on the theoretical model is as follows: A magnetic material assembly mold is made according to the theoretical model. When the assembly mold is used for calibration, the working surfaces of its front outer cover and rear outer cover assembly match the outer surface of the theoretical model. When the assembly mold is used for inspection, the working surfaces of its lower core mold and upper core mold assembly match the inner surface of the theoretical model. A magnetic fastening mechanism can be used to lock or loosen the assembly mold.

This invention provides a shielding protection system for an electron beam detection device. The shielding protection system includes: an external shielding structure, disposed inside the door panel of the electron beam detection device, employing a multi-layer composite structure to achieve a balance between lightweight design and electromagnetic shielding; an internal shielding structure, disposed on the inner wall of the process cavity of the electron beam detection device, further reducing external electromagnetic interference through specific metal materials and matching processes; a vibration isolation structure, disposed at the connection between the process cavity and the main body of the electron beam detection device, configured to dampen vibration to ensure electron beam focusing accuracy; and a monitoring and control module configured to monitor the electromagnetic environment data inside the electron beam detection device and execute interference suppression strategies based on the monitoring results. This invention's system, through multi-layer composite shielding and active vibration isolation structures, enhances electromagnetic and vibration interference protection capabilities, achieving a balance between lightweight design and electromagnetic shielding.

This invention belongs to the field of mine roadway support technology, and relates to a high-precision automatic netting device and control method for mine roadways. It includes a pitch component, a telescopic drive mechanism, a slewing mechanism, a netting grabbing mechanism, and a binocular vision sensing component. The pitch component is fixedly installed on the anchor bolt trolley frame and connected to the slewing mechanism via the telescopic drive mechanism. The front end of the slewing mechanism is connected to the netting grabbing mechanism. The binocular vision sensing component is installed on both the slewing mechanism and the netting grabbing mechanism. Employing a multi-stage telescopic, slewing, and pitch multi-degree-of-freedom mechanism, it achieves netting grabbing and laying operations in complex roadway spaces. Integrating binocular vision, lidar, and hybrid vision servo technology, it achieves high-precision positioning throughout the entire process of netting grabbing, wall contact, and hole alignment, significantly reducing problems such as netting offset and excessive contact gaps, thus improving the construction quality of roadway support. The remote manual monitoring operation mode significantly improves the safety of mine roadway support operations.

The variable magnification optical system comprises, in order from an object side to an image side, a first lens group having a positive refractive power, an intermediate group comprising two or less lens groups having a negative refractive power, and a subsequent group comprising a plurality of lens groups. The lens group closest to the object side of the subsequent groups has positive refractive power. When changing magnification, the first lens group moves, and all intervals between adjacent lens groups change. The variable magnification optical system satisfies a preset conditional expression.

This invention provides a pressurizing device and a pressurizing processing apparatus using this pressurizing device, which, when driving a pair of pressurizing elements with contactable / separable structures into contact, can suppress variations in the contact pressure distribution in the contact area between the pair of pressurizing elements even if the pressurizing elements generate a driving reaction force. The pressurizing device includes: a first pressurizing element; a second pressurizing element; a contact / separation member that causes the second pressurizing element to contact / separate relative to the first pressurizing element between a contact position and a retracted position; a force-applying member that applies force to the first pressurizing element toward the second pressurizing element; and a driving member that applies a driving force to the second pressurizing element, causing the first pressurizing element to be driven. The contact / separation member has a moving element that moves the second pressurizing element toward the first pressurizing element, and the driving member applies a driving force in the direction in which the second pressurizing element is pressed toward the moving element.

The utility model discloses a kind of magnetic force polishing needle recycling production systems, comprising: rack, at least one magnetic force polishing machine and several filter baskets, each polishing machine is correspondingly provided with needle separating device;Grabbing mechanism is set on rack by first combination sliding device group, and grabbing mechanism can be placed in corresponding filter box by first combination sliding device group with filter basket in the specified position of previous lane grabbing or filter basket in each filter box is grabbed and transported to the specified position of subsequent lane;Electromagnet is set on rack by second combination sliding device group, electromagnet is connected in circuit, and electromagnet can be moved to the filter box of each needle separating device by second combination sliding device group respectively and electrified to generate magnetic field, and the magnetic needle in corresponding filter box is sucked out or is moved to the polishing barrel of each magnetic force polishing machine respectively and is powered off to make the magnetic needle on electromagnet drop into corresponding polishing barrel. The above-mentioned system can automatically carry out needle separation and magnetic needle recycling, and production efficiency is high.

This utility model relates to the field of cabinet technology and discloses a monitoring cabinet that is easy to assemble. It includes multiple side panels, a rear panel, a front panel, a bottom shell, and a top shell. Multiple first mounting bending grooves are stamped into the inner part of the side panels, and a second mounting bending groove is stamped into the side panel between two of the first mounting bending grooves. Multiple bending blocks are respectively arranged on the front side of the rear panel and the rear side of the front panel, grouped in pairs. The rear panel and the front panel are respectively snapped onto the front and rear sides of the two side panels by their respective multiple bending blocks. The bottom shell is fixedly connected to the lower end of the side panels, rear panel, and front panel, and the top shell is fixedly connected to the upper end of the side panels, rear panel, and front panel. Through the integrated stamped mounting bending grooves on the side panels and the bending blocks and snap-fit ​​blocks on the front and rear panels, a pure snap-fit ​​rapid assembly is achieved, eliminating the cumbersome bolt tightening and frame welding processes of traditional cabinets. Furthermore, a single person can complete the splicing and assembly of the side panels, front and rear panels, top shell, and bottom shell. The overall assembly is simple and the structure is lightweight.

The application belongs to the technical field of weak wind power generation, and particularly relates to a weak wind power generation system, which comprises two transmission shafts, one of which is an inner rotating shaft, and the other is an outer rotating shaft, a conical convex head is fixedly connected to the inner rotating shaft, a fan blade is fixedly connected to the side surface of the conical convex head on the inner rotating shaft, two mounting discs are fixedly connected to the outer rotating shaft, three mounting supports are fixedly connected around the mounting disc, unequal matrix hollow holes are arranged on the mounting supports, helical leaves are fixedly connected to one end of the mounting supports, and helical blades are fixedly arranged between the two mounting supports. The unique structure design of the application effectively improves the wind energy capturing efficiency, and the system can stably operate in a weak wind environment. Through optimization of transmission and power generation components, energy loss is reduced, and efficient electric energy conversion is ensured. The miniaturized design facilitates installation and transportation, and the system can be widely applied to multiple fields, and provides strong support for solving energy problems.

This invention belongs to the field of intelligent coal mine and safety monitoring technology. Specifically, it discloses a method and system for detecting residual coal based on multimodal visual fusion and deep learning. It integrates multispectral visual information from visible light, infrared, and thermal imaging, and uses deep learning algorithms for feature fusion and decision-making. It enables real-time, non-contact intelligent identification and evaluation of the state of residual coal in the skip after coal unloading in the main shaft of a coal mine. This provides real-time and reliable sensing signals to improve system safety and automatic cleaning. Even when any single-modal data is interfered with, the system can still guarantee its basic judgment ability, greatly improving the detection stability in complex underground environments.

Provided is an elastic core mold assembly driven by servo cylinders, which comprises a core mold fixing seat and an elastic core mold that are fixed and connected in a modular concentric manner; a plurality of micro servo cylinders are uniformly distributed and fixed on the lower conical surface I of the core mold fixing seat; the plurality of servo cylinders perform synchronous adjustment actions; and the servo cylinders perform the end abutting action on the lower conical surface II of the elastic core mold to deform the mouth edge of the elastic core mold to realize core mold reshaping. The utility model realizes the fast, high-precision, online dynamic reshaping adjustment of the elastic core mold without waves, has a compact structure, is economical and practical, and is suitable for promotion.

The invention discloses a rope-driven rotor wing wind pressure collaborative building outer wall mobile operation platform, and belongs to the technical field of building outer wall operation equipment. The tail end platform, the rope traction module and the mobile upper computer are integrated, movement in any direction of the outer wall is achieved through parallel driving of ropes and combination of rotors, meanwhile, wind pressure cooperative adjustment of the rotors with the four cantilevers arranged in a rectangular and symmetrical mode is combined, the mobile platform is tightly attached to the outer wall for operation, and the platform leaves the outer wall for operation; and the shaking amplitude of the platform meets the operation requirement after leaving the outer wall. The platform does not need to be attached to an outer wall in a sealed mode, is matched with various wall faces such as concrete, metal, ceramic tiles and glass, can span protrusions and recesses of the outer wall face, and meets the requirement for long-time operation through endurance. The robot can selectively carry end actuators for detection, cleaning and the like, is suitable for scenes such as building outer wall detection, wall surface cleaning, teaching demonstration and the like, and has the remarkable advantages of light weight, accurate distance control, low cost, large moving range, high coverage rate and high safety.

This invention belongs to the field of wireless power transmission and civilian underwater equipment technology. Specifically, it is a portable autonomous underwater vehicle (AUV) wireless charging system using a grid-shaped three-dimensional orthogonal coil to achieve anti-rotational deviation. The system includes a primary-side grid-shaped coil array, an LCC-S topology circuit, a rectifier and filter module, rectangular coils, a planar coil array, limiting holes, and grooves. The receiving coil is integrated into the AUV's tail fin. Compared with existing technologies, this invention eliminates the need for complex control strategies and additional converters: it exhibits outstanding constant voltage output characteristics under a wide range of load variations; simultaneously, relying on the stable performance indicators of the LCC-S topology, it can flexibly adapt to different AUV docking positions, and its performance indicators remain stable within a deflection range of 0° to 20°. It directly eliminates the need for precise AUV alignment, providing a simple and highly reliable anti-rotational deviation solution for its wireless charging system.

The utility model discloses a carrier for infants, which is characterized in that a guide rod mechanism is formed among a base, a backrest part, a first connecting shaft and a seat part, so that the relative position between the backrest part and the seat part can be individually adjusted according to the body type and growth requirements of the infants, and the carrier for the infants has various use states. The use comfort of the carrier for the infants is improved; and meanwhile, the protection software does not need to reserve enough space, so that the cost is reduced.

This invention discloses a method and system for identifying ordinary pronunciation speakers based on knowledge distillation. The method includes: obtaining an embedding layer network for ordinary pronunciation speakers; acquiring the speaker's registered audio and extracting its spectral features, inputting the extracted registered audio spectrum into the ordinary pronunciation speaker embedding layer network to obtain the output of the registered audio spectrum in the ordinary pronunciation speaker embedding layer network; obtaining real-time audio data and detecting whether the real-time audio data is ordinary pronunciation; if so, extracting features from the real-time audio data and inputting the extracted real-time audio spectrum into the ordinary pronunciation speaker embedding layer network to obtain the output of the real-time audio spectrum in the ordinary pronunciation speaker embedding layer network; and calculating the cosine similarity between the output of the registered audio spectrum in the ordinary pronunciation speaker embedding layer network and the output of the real-time audio spectrum in the ordinary pronunciation speaker embedding layer network to determine whether they are the same speaker.

The invention relates to the technical field of motors, in particular to a driving motor NVH performance evaluation method and device, and the method comprises the following steps: S1, obtaining the time domain electromagnetic force distribution data of each skewed pole section stator tooth of a target motor through electromagnetic simulation; s2, performing spatial domain equivalent synthesis on the electromagnetic force of each skewed pole section to generate a global equivalent electromagnetic force time domain signal; s3, performing frequency domain-order conjoint analysis on the global equivalent electromagnetic force time domain signal, identifying a target frequency point having significant influence on NVH performance, and extracting a main space order and a main time order corresponding to the target frequency point to obtain a corresponding synthetic excitation force amplitude; s4, on the basis of the time domain electromagnetic force distribution data, under the target frequency point, the main space order and the main time order, calculating the electromagnetic force phase difference between the at least two groups of skewed pole sections, and generating a phase difference characterization quantity; and S5, inputting the target frequency point, the synthesized exciting force amplitude and the phase difference representation quantity into an NVH performance evaluation model, and outputting an NVH performance index.

The application relates to the technical field of wind turbine blades, and particularly provides a large wind power blade structure optimization method, system, intelligent device and medium, and aims to solve the problem of lacking a large-size super-long flexible blade structure optimization design method. For this purpose, the large wind power blade structure optimization method provided by the application comprises the following steps: obtaining structure data and material data of a blade, establishing an initial model of the blade according to the structure data and the material data, taking minimization of the mass of the blade as an optimization target, taking a pre-set maximum value of blade tip deflection and a minimum value of frequency deviation as optimization constraint conditions, wherein the frequency deviation is the difference between the rotating frequency of the blade and the natural frequency of the blade, and optimizing the initial model based on the optimization target and the optimization constraint conditions to obtain an optimization model. The application provides a convenient and effective structure optimization design method for large-size super-long flexible blades.

The invention discloses a radioactive substance monitoring module and a monitoring method, and belongs to the technical field of radiation monitoring, the monitoring module comprises a sampling cover and a casing, and a sampling assembly, a charged particle detector and a signal processor which are arranged in the casing, the sampling assembly is used for collecting radioactive particles; the charged particle detector is used for sensing charged particles emitted by the radioactive particles, and the signal processing assembly is electrically connected with the charged particle detector and used for receiving signals output by the charged particle detector. The monitoring method comprises the steps of starting the transmission mechanism; the air suction fan is started, so that air enters the shell through the sampling cover and is captured by the filter material; and acquiring radioactive energy spectrum analysis data output by the signal processing assembly. The vertical stacking design of the signal processing assembly, the charged particle detector and the suction fan is innovatively adopted, the axial size of the product is greatly reduced, internal gas circuit connection is omitted, the design requirements for light weight and miniaturization are met, and the device is suitable for being carried by a small unmanned aerial vehicle for radioactive substance monitoring.