15results about How to "Avoid mechanical properties" patented technology

The application discloses a three-level coordinated production line body intelligent control method and system, and belongs to the technical field of intelligent manufacturing. The method comprises the following steps: establishing a global task planning layer, performing semantic analysis and logical disintegration at a first preset frequency, and generating an atomic action sequence; establishing a local space perception layer, receiving the atomic action sequence at a second preset frequency, constructing a dynamic local map by using sensor data, determining a workpiece pose by point cloud registration, and mapping the atomic action sequence into a continuous motion trajectory flow; establishing a real-time action execution layer, receiving an instantaneous target pose at a third preset frequency, calculating a theoretical driving torque by combining a Lagrange dynamics equation, switching to an impedance control mode at a contact moment, and driving an execution mechanism to complete work; and establishing an asynchronous coordination layer, realizing three-layer asynchronous communication through an industrial network, and controlling the three-layer frequencies to be distributed in a ladder type in an increasing manner. The application has the effects of improving the flexibility, precision and safety of a production line.

This utility model discloses a mud scraper structure for a tracked excavator, belonging to the technical field of tracked excavators. It includes a mud scraper, a first positioning plate, and a second positioning plate. The side of the mud scraper has a locking groove, which engages with the track plate. The upper end of the mud scraper is provided with the first and second positioning plates, which are connected to the mud scraper and engage with the track ribs on the track plate. This structure efficiently removes mud, sand, and other deposits from the chassis, preventing chassis corrosion or mechanical component failure due to long-term accumulation, reducing unnecessary friction and load, and protecting the structural integrity of the chassis and related components. Furthermore, the engagement with the track plate via the locking groove and with the track ribs via the first and second positioning plates ensures secure installation, easy disassembly, and convenient replacement after damage.

This invention relates to the field of furniture metal frame processing and provides a CNC laser cutting device for metal frames. The device includes a limiting frame, which comprises a multi-stage drive frame and multiple multi-position limiting beams mounted on the multi-stage drive frame. These multi-position limiting beams are used to limit the metal sheet. Each multi-position limiting beam includes multiple unit limiting beams arranged in a straight line in an array. Each unit limiting beam includes an L-shaped guide block with a laterally adjustable position. A support plate with a longitudinally adjustable position is slidably mounted on the L-shaped guide block. An adjustable-height pressing plate is mounted on the support plate. This device achieves multi-point dispersed staggered limiting of the metal sheet based on overall limiting, flexibly responding to the disappearance of the limiting force at the cutting edge during cutting, ensuring flexible and real-time provision of limiting force at the cutting point of the metal sheet, and improving the stability of the metal sheet during the cutting process.

This invention discloses a vehicle compartment protection device, including a vehicle compartment body, a roller structure rotatably connected to the top of the rear door, and a flexible roller shutter structure connected thereto. The roller structure can rotate to roll up or lay down the flexible roller shutter structure to open or close the rear door of the vehicle compartment. It also includes a drive assembly for transmitting the roller structure, a stop system for detecting the rolling or laying position information, and a main control module electrically connected to both. This invention controls the drive assembly by receiving signals from the stop system through the main control module, realizing the automatic opening and closing of the rear door and its stopping at the designated position. When rolled up, the flexible roller shutter structure does not occupy any space for entry and exit through the rear door, ensuring rapid loading and unloading of materials and personnel; when laid down, it completely encloses the rear door of the vehicle compartment from top to bottom, effectively preventing materials from slipping or being lost during transportation. This invention combines the advantages of fully enclosed protection with unobstructed and rapid loading and unloading, has a reliable structure, and is particularly suitable for transport vehicles such as military trucks that require rapid response and material protection.

This invention discloses an automated crop planting device for cuttings, relating to the field of agricultural machinery. It includes a planting cylinder and a lifting platform. The upper part of the planting cylinder has a seedling delivery component within a seedling separation chamber. Its trumpet-shaped support plate, with its wide opening facing upwards, accommodates seedlings. A concentric seedling separation plate at the bottom is driven to rotate by an independent motor. Mechanical single-plant separation is achieved through seedling holes and notches. Seedlings fall under gravity through the delivery tube into the lower cutting chamber. The rotation speed of the seedling separation plate is linked to the walking speed and the cutting frequency to ensure proper spacing between plants. The cutting chamber is equipped with an adaptive cutting component. Seedlings fall between a pair of synchronously rotating inward-facing conveying gears, and are elastically clamped by a tension spring to adapt to irregular shapes and avoid damage. Simultaneously, the V-shaped clamp of the vertical cutting component moves downwards to correct tilting, achieving precise vertical insertion of seedlings into the soil. This device realizes mechanical single-plant separation, elastic adaptive clamping, and vertical cutting, improving operational efficiency and survival rate.

The utility model relates to the technical field of automobile part transfer equipment, in particular to an automobile skylight sliding rail transfer device. According to the technical scheme, the trolley comprises a trolley plate and further comprises a plurality of storage boxes connected to the upper surface of the trolley plate in a sliding mode, and each storage box is provided with a plurality of storage grooves; the identification mechanism is mounted on the vehicle plate to open or close the storage box; and the springback mechanism is arranged at the bottom of the storage box and is used for locking the identification mechanism in the opening or closing state. According to the automobile skylight sliding rail transfer device, the storage box, the storage groove, the identification mechanism, the springback mechanism and other structures are matched, sliding rails of different models can be clearly separated, workers can be helped to quickly find the sliding rails of the needed models, and the time for finding the sliding rails due to disorder is shortened. Smooth operation in the production process can be guaranteed by taking the sliding rail of the correct model, and the mechanical fault or the product quality problem caused by the wrong model is avoided.

This invention discloses a method for regulating and controlling a gas-fired range extender power generation system and a SOFC power generation system based on load changes. This method is applied to a collaborative power supply system comprising an SOFC fuel cell, a gas-fired range extender power generation system, an energy storage battery, and an EMS control unit. The method collects load power data using a multi-function meter and calculates the predicted power demand based on a sliding window weighted prediction model. By comparing the energy storage battery's state of charge value with multi-level thresholds and the relationship between the predicted power demand and the SOFC's rated power, three operating modes are determined: independent SOFC power supply, collaborative power supply, and emergency charging. A power request command is sent to the gas-fired range extender power generation system via CAN communication. The range extender selects the optimal efficiency operating point within the high-efficiency operating range of the universal characteristic graph to perform variable-speed power generation, achieving power-following closed-loop control. Mode-smooth switching is achieved through continuous cyclic adjustment and preset stability judgment conditions. This invention solves the problems of high gas consumption and slow passive response in power regulation during fixed-speed operation of traditional generator sets.

The utility model relates to CT scan bed lifting auxiliary technical field, and disclose a kind of CT scan bed mechanical mechanism with low-position power assist and limit integration, including fixed base and scan bed body, the top of fixed base is equipped with shear support arm and power device, the one end of shear support arm is driven by power device, the top of shear support arm is hinged with the bottom of scan bed body, the top of fixed base is also equipped with power assist limiting mechanism, the power assist limiting mechanism is located between shear support arm, the power assist limiting mechanism includes with the fixed base top fixed connecting base. The CT scan bed mechanical mechanism with low-position power assist and limit integration, to reduce the horizontal axial stress of shear arm mechanism drive, realize shear support arm low-position power assist function using the energy storage principle of elastic member, when low, elastic member is compressed to store energy, shear support arm rises, and elastic member elongation releases energy, can avoid overload problem that single motor stress produces.

This invention discloses a tactile training system and method for three types of misoperations in power systems, belonging to the field of power system safety training technology. It includes a simulated power distribution system, a status detection system, a misoperation simulation system, an intelligent control system, and an interactive training terminal. By simulating an electric arc through a controllable discharge device and achieving the effect of accidental operation through a protection device simulation module, combined with an audio-visual smoke system, it realistically simulates the consequences of three types of misoperations: incorrect protection side setting, incorrect protection side wiring, and accidental contact with live cables. This invention addresses the problem in existing technologies of lacking training equipment capable of realistically simulating the consequences of these three types of misoperations, making it impossible for trainees to intuitively experience the dangers of misoperations, and hindering the effective improvement of operators' safety awareness and operational skills. This invention can effectively improve power operators' awareness and ability to prevent and handle these three typical misoperations, thus preventing power accidents.

Disclosed is a kind of four-legged robot hierarchical path planning method and system considering electric power safety potential and gait switching cost, first, build the integrated three-dimensional cost map containing ground geometric features and three-dimensional electric field safety potential field, map the risk of electric shock in space to potential cost value;Second, define the combined state containing position and gait mode, build the global search criteria integrating movement cost, risk cost and gait mode switching cost;Then, execute joint path search, automatically force the robot to switch to low posture crawl mode in high electric field potential area to increase vertical safety distance;Finally, the foot end landing suitability of the path is verified by using virtual straight corridor, and redundant nodes are removed based on terrain elevation dispersion and normal inclination. The invention solves the problems of four-legged robot easily entering high-voltage area, frequent gait switching energy consumption and smooth path easily leading to foot end slipping in substation inspection, and realizes safe, efficient and stable autonomous inspection.

The utility model discloses a kind of car door inwards turning handle, including handle base, handle groove being provided on it towards car door surface;Handle body, with the closing position closed in handle groove, the opening position being retracted into operating space, and the unlocking position being retracted relative to opening position, the handle body is in opening position and unlocking position and is exposed handle groove;Transmission assembly, including electric actuation's push block, and transmission gear in the rotating path of push block, the handle body line is equipped with with synchronous rotation intermediate gear, the intermediate gear and transmission gear keep engagement;The push block, transmission gear, intermediate gear sequentially constitute electric opening path, the handle body, intermediate gear, transmission gear sequentially constitute emergency opening path, the handle body is in emergency opening path and is retracted to opening position by external force actuation.

This utility model relates to an integrated device for a geothermal heating system based on the coupling of plate heat exchangers and a two-stage heat pump, applicable to the field of geothermal heating. The device includes a high-temperature heat pump, a low-temperature heat pump, and multiple sets of plate heat exchangers. Each plate heat exchanger includes two side plates and several plates disposed between the two side plates. Each side plate has a plug-in plate at its front end and a plug-in slot adapted to the plug-in plate at its rear end. A locking mechanism for locking the plug-in plate is provided within the plug-in slot. The multiple sets of plate heat exchangers are arranged front to back, and adjacent plate heat exchangers are connected by the plug-in plate of the rear plate heat exchanger engaging with the plug-in slot of the front plate heat exchanger, with the relative position of the plug-in plate and the plug-in slot locked by the locking mechanism. A first medium connecting pipe connects to the first medium inlet and outlet of each plate heat exchanger, and the first medium connecting pipe connects to the high-temperature heat pump. A second medium connecting pipe connects to the second medium inlet and outlet of each plate heat exchanger, and the second medium connecting pipe connects to the low-temperature heat pump.

The application discloses a kind of thin film thermocouple line homogeneity test methods based on laser scanning heating, belong to thin film thermocouple field, comprising: the thin film thermocouple single branch to be tested is manufactured on insulating substrate, obtains thin film thermocouple branch;High-precision positioning laser is applied as transient heat source to the edge of thin film thermocouple branch, laser beam is moved and laser transient scanning is carried out along thin film thermocouple branch, local area of thin film thermocouple branch is heated, and non-steady temperature field is formed, and the thermoelectric output signal fluctuation data of the two ends of thin film thermocouple branch is collected;The homogeneity precision of thin film thermocouple branch is calculated using the data.The application adopts non-contact measurement, reduces external interference, ensures the accuracy and reliability of homogeneity test process;The application has high sensitivity and local response capability, and test process is fast and efficient, significantly shortens experimental period, reduces test cost, improves the efficiency of laboratory and industrial application simultaneously.

This invention relates to the field of waste resource utilization and functional polymer materials technology, and discloses a method for preparing hydroxyapatite ultrafine powder and its application as a mulch film. The method includes the following steps: S1, raw material pretreatment and purification: physical and chemical purification of waste animal bones to obtain pure inorganic aggregate; S2, atmosphere-controlled calcination: high-temperature calcination of the pure inorganic aggregate in a mixed atmosphere containing water vapor and carbon dioxide to obtain hydroxyapatite lumps; S3, multi-stage crushing and online surface modification: ultrafine crushing of the hydroxyapatite lumps through intermediate crushing and air jet milling, and online surface modification during the collection of crushing products to obtain surface-modified hydroxyapatite ultrafine powder. This invention obtains high-purity, highly dispersible hydroxyapatite ultrafine powder by combining atmosphere-controlled calcination with online surface modification technology, and improves its application performance in biodegradable mulch films.