1469 results about "Assembly systems" patented technology

The invention belongs to the technical field of automatic assembly, and discloses an automatic assembly system and method for a large nut of a water turbine ball valve, and the system comprises a mechanical arm, an end effector and an intelligent nut tightening control system. The end effector integrates an electromagnet adsorption mechanism, a servo drive rotating mechanism, a floating compensation mechanism and a visual recognition mechanism, nuts of different specifications are grabbed in a self-adaptive mode through an electromagnet, submillimeter-level accurate positioning is achieved through a laser galvanometer stereo camera, and the assembling posture is automatically adjusted in combination with the floating compensation mechanism. The intelligent control system adopts a staged tightening strategy, performs real-time monitoring through a torque sensor, and has a dual protection mechanism. The hydraulic turbine ball valve large nut assembling machine achieves full-automatic assembling of hydraulic turbine ball valve large nuts, has the advantages of being high in assembling efficiency, high in positioning precision, high in adaptability, reliable in quality and the like, solves the problems that manual assembling is large in labor intensity, many in potential safety hazards, poor in quality consistency and the like, and remarkably improves the assembling quality and efficiency of key parts of a hydropower station.

The invention relates to an automatic assembly system and method for multi-scale digital twin components, and the system comprises a semantic relationship construction module which is used for carrying out explicit definition on the structural features, functional attributes, spatial layout requirements and logic dependency relationships of the multi-scale components, and constructing semantic relationships among the three types of components; the semantic reasoning and constraint engine module is used for carrying out logical reasoning through the semantic relationship constructed by the semantic relationship construction module and judging whether the component combination meets the assembly constraint or not; the assembly generation and configuration module is used for generating an assembly topological structure and a connection sequence of a system shelf according to the component candidate set output by the semantic reasoning and constraint engine module; and the man-machine interaction and visualization module is used for supporting a feedback closed loop between the engineer and the system and providing a visual display interface. The problems that an assembly method depends on artificial experience and is difficult to support high-frequency and multi-scene production line reconstruction are solved, and the method has higher semantic interpretation capacity, automatic combination capacity and context adaptive capacity.

The invention relates to the technical field of automobile energy supply, in particular to a solid hydrogen storage-fuel cell integrated power assembly system based on dual-mode hydrogen supply, which comprises a hydrogen supply path identification module, a hydrogen storage unit state monitoring module, a linkage path switching module, a fuel cell load matching module and a safe hydrogen discharge regulation and control module. According to the method, the hydrogen supply pressure difference value is obtained by dynamically comparing the pressure of the cavity of the hydrogen storage tank with the pressure of the hydrogen inlet of the fuel cell, the current hydrogen supply path state can be accurately recognized in the early stage, rapid judgment of the hydrogen supply mode and accurate control of path switching are achieved, whether the risk of hydrogen supply interruption exists or not can be effectively screened, and the reliability of hydrogen supply is improved. The switching reliability of a hydrogen supply channel is improved through cross comparison of key state signals of a main channel and a standby channel, and instant response and energy consumption optimization of hydrogen discharge safety regulation and control are guaranteed through a linkage feedback mechanism between the hydrogen concentration change rate in unit time and catalytic converter control power.

A stowable tailgate step assembly system comprises a frame with two interconnected frame arms adapted to be mounted longitudinally in a vehicle tailgate. A slide module, releasably latched to the frame, comprises two longitudinal carrier arms which translate in relation to the frame arms, and a step assembly. The step assembly comprises two slide arms which translate in relation to the carrier arms, and a first step and at least one additional step pivotally connected by at least one link rod to facilitate synchronous rotation of the steps. Control means to control rotation of the steps during translation of the carrier arms from a stowed position to an extended position are provided. Deployment means to control rotation of the steps between the extended position and a deployed position are also provided. A lock-out latch rotationally connected to at least one carrier arm engages at least one associated frame arm to prevent translation of the carrier arm in relation to the associated frame arm when the step assembly is in the extended position.

A construction section for supporting a glass panel and configured to be coupled to a building structure. The construction section may comprise a wood mullion, an upper fitting, and a gravity fitting. The wood mullion may comprise an elongate body, a pair of cutouts in the upper and lower ends, and upper and lower pockets. The elongate body may comprise an exterior face, an upper end, and a lower end. The pair of cutouts in the upper and lower ends may be configured to receive at least a portion of the building structure. The upper and lower pockets may comprise a void area within the elongate body adjacent the exterior face. The upper fitting may be configured to support at least a portion of the glass panel. The gravity fitting may be coupled within the lower pocket and configured to support at least a portion of the glass panel.

The invention relates to the technical field of electromagnetic compatibility conducted immunity testing, and discloses an electromagnetic compatibility conducted immunity calibration system and method, and the system comprises a signal generation module, a coupling and decoupling network adaptive assembly system, a calibration load access system, an auxiliary equipment terminating system, and a grounding protection system. The method can adapt to different types of coupling and decoupling networks, normalizes the calibration process, reduces the calibration uncertainty, and reduces the introduced uncertainty by 17.9% compared with a conventional method. The invention further discloses an automatic calibration method, the calibration process of conduction immunity is optimized, the initial level can be set through an algorithm, the target level addressing time can be reduced, the calibration time can be shortened, the effective detection time proportion can be improved, and various parameters of an actually measured product are embedded in all links of the calibration process, so that the calibration accuracy is improved. The device can better simulate the testing process of an actually measured product, and improves the calibration accuracy and applicability.

The application discloses a transfer box for precise positioning long rod, and relates to the technical field of transfer equipment, and aims to solve the technical problems that the existing loading and unloading box can fix the rod body, lacks reinforcement and protection for rod bodies with different length and width sizes, the rod body is easily damaged by bumping and impact during transportation, and the loading and unloading is complicated, and the intelligent degree of the mechanical arm is high, and the application comprises a box body mechanism and a protection mechanism, and the inner wall of the box body mechanism is connected with the protection mechanism. The application can complete the installation of the long rod through simple pushing and pulling steps, and after the installation is completed, the device can automatically adapt to the height of the long rod, so that the collision during transportation hardly affects the position of the long rod, the sliding of the long rod in the device is avoided, the protection effect of the device on the long rod is improved, meanwhile, the simple installation steps reduce the demand for the corresponding equipment when the device is used, and the operation difficulty and cost of the entire assembly system are reduced.

The embodiment of the utility model provides a pressing assembly and an assembling system, and the pressing assembly comprises a stop block structure which is provided with a limiting groove matched with an electrode piece; the pressing block structure is connected with the stop block structure, and at least one end of the pressing block structure is provided with a sheet pressing piece corresponding to the limiting groove; wherein the pressing block structure is located at the first position, the stop block structure is located in the ammeter battery box, the sheet pressing piece abuts against the electrode piece, the pressing block structure moves towards the ammeter battery box to the second position, and part of the electrode piece is located in the installation groove. According to the technical scheme of the utility model, the stop block structure and the pressing block structure are utilized to realize the limiting and stable installation of the electrode piece, so that the whole assembly process is more reliable.

The invention provides a rapid assembly system and method for in-cabin parts of cylindrical products, and the system is characterized in that a mechanical arm is fixedly mounted through a base, the tail end of the mechanical arm is sequentially provided with a six-dimensional force sensor and a tail end execution device, and the tail end execution device is used for grabbing the to-be-assembled parts and carrying the to-be-assembled parts to a mounting position in a cylindrical section along a preset path; the six-dimensional force sensor is used for acquiring contact force and torque on a tail end load and an assembly path so as to judge the state of the assembly path; the assembly platform is used for supporting and flexibly clamping a cylinder section product, the light source equipment and the binocular vision camera form an image acquisition system, and the binocular vision camera is used for acquiring pose and mark point coordinate information of a cylinder section. According to the method, the problems that during existing automatic assembly, multi-batch and multi-state real-time posture positioning is tedious, coaxial assembly of components in a barrel-section-shaped product cabin is difficult to guarantee, and extrusion collision damage is caused in the assembly process are solved, the operation difficulty and risk are reduced, and the system assembly flexibility is improved.

Guides, systems, and methods for maintaining, correcting and / or fusing joint deformities are disclosed. The guide system including a cut guide, an alignment guide, and at least one directional wire. The cut guide including a base portion, an extension member extending away from a bottom surface of the base portion, and at least one arm extending away from an end of the base portion. The alignment guide, including a base portion, a first extension member extending away from a bottom surface of the base portion in a first direction, and a second extension member extending away from the bottom surface of the base portion in a second direction. Methods of using a guide system for maintaining, correcting and / or fusing joint deformities are also disclosed.

The invention provides an error modeling method and system based on a CCD camera alignment assembly system, and relates to the technical field of high-precision electronic manufacturing assembly, and the method comprises the steps: obtaining internal parameters and external parameters of a CCD camera through calibration, building a camera and mechanical coordinate system conversion relation, and constructing a collaborative calibration error tree; controlling the motion platform to move, synchronously acquiring pose and environment temperature data, decomposing vibration and thermal deformation error components through time-frequency analysis, and superposing the vibration and thermal deformation error components into dynamic errors; extracting a positioning error based on the pose data, and constructing a mechanical-optical coupling error spectrum in combination with the distortion parameters; and finally, fusing the collaborative calibration error tree, the dynamic error and the coupling error atlas to generate a global error atlas, and completing alignment assembly system error modeling based on the CCD camera. According to the invention, the precision and applicability of error modeling are improved.

The invention discloses a shield tunnel segment digital splicing method, which comprises the following steps: step 1, generating segment point cloud data: performing reverse scanning on a single segment through a laser scanning system in a shield tunneling machine until the scanning of the whole-ring segment of a tunnel is completed, and generating the segment point cloud data; step 2, obtaining an optimal relative position between segments: importing the segment point cloud data into a virtual assembling platform, establishing a segment three-dimensional model, planning a segment assembling path in the virtual assembling platform, and then performing segment virtual assembling according to the segment assembling path to obtain the optimal relative position between the segments; 3, calculating a theoretical rotation angle: calculating the theoretical rotation angle of the central line of the segment relative to the vertical center of the circle center when the segment is at the optimal relative position; step 4, calculating a position deviation and an offset angle; and sixthly, the pipe pieces are assembled. According to the method, a complete and efficient digital splicing system is established, and the overall level of shield tunnel construction is improved.

The utility model discloses a finished steel plate and equipment belt assembly type system installation structure which comprises a keel system, an integrated equipment belt and a hanging piece system. The keel system comprises hanging bars, hanging pieces connected with the hanging bars and main keels installed on the hanging pieces. The integrated equipment belt comprises a metal cover, an air opening shutter installed in the metal cover and a light-transmitting piece. The hanging piece system comprises a fixing piece, a special keel and a closing-up strip, the fixing piece is hung on the main keel, the upper end of the special keel is connected with the fixing piece, the lower end of the special keel is connected with the closing-up strip, a hanging groove is formed in the upper end of the closing-up strip, a hanging piece is installed on the outer side face of the metal cover, and the hanging piece is hung on the hanging groove. The mounting structure has the advantages of being simple to mount, attractive in decoration, detachable to assemble and good in appearance quality.

The invention discloses a robot flexible sleeve assembly system and method based on self-adaptive variable impedance, solves the problem that a robot in the prior art is difficult to mount a flexible sleeve, and enables the robot to achieve the beneficial effect of sleeving of the flexible sleeve. According to the specific scheme, the robot flexible casing pipe assembling system based on the self-adaption variable impedance comprises a visual module, a first camera used for collecting images of a flexible casing pipe and a second camera used for collecting images of a bent hard pipe; the force sensor, the robot, the first camera, the second camera and the force sensor are separately connected with the controller, and the controller recognizes the pose of the flexible sleeve according to the flexible sleeve image and captures the pose track of the bent hard tube according to the bent hard tube image. And the controller constructs a variable impedance parameter learning network according to the hard tube pose trajectory data and the contact force dynamic data sent by the force sensor, performs real-time analysis on the contact force state, and outputs a rigidity parameter and a damping parameter matched with the current state.

The invention discloses a self-supervised feedback micro-assembly system construction method based on high-precision simulation, and the method comprises the steps: recording and supervising the real-time motion track of a mechanical arm and the real-time state of a system through a multi-view camera, and enabling the shot data to be used for the construction of a simulation environment; the motion path calculation module and the visual language model module are used for analyzing the motion path of the mechanical arm, the high-precision detection camera is combined with the micro-motion platform to achieve micro-assembly adjustment, finally the process that the mechanical arm is remotely controlled to complete micro-assembly is achieved, and the remote micro-assembly system is obtained. According to the method, the high-precision simulation environment is built, the external environment factors of the system are considered, the environment stability and adaptability of the system are improved, system construction is adaptive to different assembly objects, reusability and adaptability are achieved, assistance of high-precision instruments and fine operation of operators are not needed, the manual intervention cost is reduced, and the system is suitable for large-scale popularization and application. And automatic intelligent micro-assembly is realized.

The present disclosure relates to a deflector for an electric machine, the electric machine comprising a stator, the stator comprising a stator body having an end face in the axial direction of the machine and at least one end winding (4) formed on the end face of the stator body, the fluid director comprises a first fluid director ring body (1), a second fluid director ring body (2) and an annular fluid director part (3) connected with the first fluid director ring body (1) and the second fluid director ring body (2), the fluid director is of a semi-closed structure and is used for at least partially surrounding an end winding (4), and the first fluid director ring body (1) is located on the radial outer side of the second fluid director ring body (2) and surrounds the second fluid director ring body (2). A plurality of flow guide holes (11) are distributed in the circumferential annular face of the first flow guide ring body (1), and at least one opening (31) is formed in the annular flow guide part (3). The disclosure also relates to an electric machine, an electric drive assembly system and a vehicle comprising such a deflector.

A building assembly system for fabricating a multi-story building is described, wherein the building includes a vertical support core arranged on a base. Lift jacks are arranged between a top portion and a bottom portion of the vertical support core, and a reusable bridle is suspended from the plurality of lift jacks and slidably arranged on the vertical support core. A floor plate is assembled onto the bridle at an assembly level that is proximal to the base. The plurality of the lift jacks are operable to lift the bridle and the assembled floor plate to a design elevation on the vertical support core, and are operable to lower the bridle to the assembly level on the vertical support core after the floor plate has been secured to the vertical support core at the design elevation.

The invention discloses a multi-objective reinforcement learning man-machine cooperative assembly task allocation method based on neighborhood parameter migration, and the method comprises the steps: building a mathematical model which aims at minimizing the physiological fatigue accumulated value of a human operator and minimizing the maximum completion time for a multi-objective optimization problem of task allocation in a man-machine cooperative assembly system; a multi-target problem is decomposed into N standard sub-problems by adopting a weighting and decomposition strategy, and training is accelerated through a neighborhood parameter migration strategy; each sub-problem is solved based on a near-end strategy optimization algorithm of an Actor-Critic framework, Gaussian noise is added to an Actor network to simulate environment uncertainty, an action mask mechanism is introduced to process priority constraints of assembly tasks, and it is ensured that a generated task allocation scheme is always feasible. According to the method, the convergence speed and diversity of the Pareto solution set can be remarkably improved, and the assembly efficiency and operator fatigue are effectively balanced.

The invention discloses a detection assembly system and a detection assembly method for a frame bushing, the detection assembly system comprises a press fitting part, a positioning part, a first detection part, a second detection part, a third detection part and a control part, the problem of separation of detection and assembly is solved, the axial rigidity detection of the bushing can be completed in the initial stage of press fitting, and the detection efficiency is improved. Extra detection procedures are not needed, the overall production cycle is greatly shortened, and the method is suitable for the large-batch production rhythm; potential quality hazards caused by sampling detection are eliminated, and abnormal linings are prevented from flowing into subsequent links; the positioning ends of the positioning pieces can be close to or far away from each other, and by combining the supporting design of the guide inclined surfaces, the tool can be adaptive to bushing outer sleeves of different sizes, frequent tool replacement is not needed, and the equipment debugging cost is reduced; while the assembly precision of the bushing is ensured, high efficiency, no damage and full coverage of rigidity detection are realized, the production quality and efficiency of the auxiliary frame are obviously improved, the later rework cost is reduced, and the control performance of the whole vehicle and the stability of NVH (Noise Vibration and Harshness) performance are ensured.

The invention discloses a full-automatic column switch assembling production line which comprises an automatic conveying system, a full-automatic assembling system, a full-automatic running-in system, a full-automatic testing system and a full-automatic offline system. The automatic conveying system comprises an AGV trolley and a conveying roller platform; the full-automatic running-in system is located in the next working procedure of the full-automatic assembly system, and the full-automatic running-in system and the automatic conveying system are arranged in a matched mode; the full-automatic test system is located in the next process of the full-automatic running-in system, and the full-automatic test system and the automatic conveying system are arranged in a matched mode; according to the full-automatic column switch assembly production line, through collaborative operation of automatic conveying, assembling, running-in, testing and the off-line system, full-process automatic production of the column switch is achieved, and the full-automatic column switch assembly production line has the advantages of being high in efficiency, low in cost, high in precision, high in reliability, capable of saving energy and environmentally friendly.

The invention provides a tower assembling robot control method and system, a tower assembling robot and a tower assembling system, and relates to the technical field of electric power construction, and the tower assembling robot control method comprises the following steps: respectively obtaining images collected under a first focal length and a second focal length; fusing the images collected under the first focal length and the second focal length to obtain a fused image, extracting geometric features of the bolt based on the fused image, and estimating an initial pose of the bolt based on the extracted geometric features of the bolt; optimizing the initial pose in combination with a pose optimization strategy to obtain an optimized bolt pose; and the tower assembling robot is controlled to conduct fastening operation on the to-be-fastened bolt by combining the optimized bolt pose and the self-adaptive impedance control bolt fastening scheme. The tower assembling efficiency of the high-voltage power transmission iron tower can be improved.

An automated wall frame assembly system for use in assembling a wall frame includes an advancer assembly including a conveyor system configured to transport first frame members along an assembly axis to an output of the conveyor system. A frame unit is disposed generally at the output of the conveyor system and is configured to receive the first frame members from the conveyor system and attach a second frame member to the first frame members. A gantry assembly is disposed above the advancer assembly. The gantry assembly includes a gantry frame and at least one gantry tool movably attached to the gantry frame. The gantry tool is operable to deliver the second frame member to the advancer assembly from a location above the advancer assembly for being attached to the first frame members.

The invention discloses an automatic high-precision assembly system and method based on visual feedback, belongs to the technical field of automatic assembly, and solves the problem that an existing scheme is insufficient in the aspects of automatic integration and actual usability. Comprising an embedded control unit, an XYZ Cartesian sliding table, a limiting sensor, a visual sensor, a visual mark and an upper computer processing unit, the embedded control unit is connected with the upper computer processing unit, and the embedded control unit is used for receiving a control instruction and feeding back state information. The embedded control unit is connected with a motor driver of the XYZ Cartesian sliding table and used for sending a motion control signal, and the embedded control unit is connected with the limiting sensor and used for receiving a switch signal. Working space boundary recognition and automatic calibration of the camera-robot hand-eye relation are achieved, the configuration and deployment process of a visual guidance system on the XYZ sliding table is greatly simplified, the requirement for professional skills of operators is lowered, and deployment efficiency is improved.

The invention discloses a BIM intelligent assembly system applied to node construction, and belongs to the technical field of node construction. The BIM intelligent assembly system comprises the following modules: a node-level BIM parameterized model library; a factory-end intelligent manufacturing module; the field end intelligent assembly module comprises a reusable node sensing layer composed of UWB, IMU and a visual fusion sensing suite; an edge decision-making layer in which a lightweight Transform model is embedded; the shape memory alloy lock pin and the self-locking and self-adjusting execution layer of the piezoelectric micro-displacement sliding table are integrated on the node connecting plate; and a block chain quality file sub-module. The parameterized node group is directly issued to the steel bar hoop bending robot, the sleeve welding robot and the 3D printing mold, the space coordinates of steel bars, sleeves and embedded parts can be locked within the millimeter-level range in the factory stage, and the six-degree-of-freedom postures of the nodes are captured in real time during on-site hoisting; once deviation is found, the edge AI gives out a posture adjusting instruction immediately, and correction is completed through an SMA lock pin and a piezoelectric micro-displacement sliding table.

A method for calibrating a sensor and projector with respect to a work area, the method including positioning a projector to project light indicators at locations in the work area and positioning a sensor with respect to the projector such that the sensor's field of view includes a selected portion of the work area. The sensor captures video or encoded data of activities at the work area. The sensor and projector are aimed at a set of coordinates upon the work area and the associated aim-point coordinates of the sensor and projector are recorded. The sensor and projector are aimed at additional sets of coordinates upon the work area, and the associated aim-point coordinates are recorded until a sufficient quantity of aim-point coordinates have been collected to form a calibration data set sufficient to calibrate the sensor and projector to the work area.

A recipe builder system, enabling control recipes for a robotic assembly system. The recipe builder system includes a visual interface for a recipe builder, and feedback on execution of the program on the visual interface.

A numerical simulation method for the integrity of cement sheath systems in oil and gas wells under alternating temperature and pressure is characterized by the use of extended finite element method (XFEM), concrete damage plasticity model theory, Cohesive element method, and bilinear traction separation criterion, based on elastoplastic theory and plastic damage theory. This method can simulate not only the failure process of the cement sheath-casing interface under alternating temperature and pressure and characterize the mechanical behavior of interface failure, but also the failure process of the cement sheath itself and characterize its mechanical behavior. By comprehensively analyzing the failure behavior of the cement sheath system integrity in oil and gas wells, this method enables a realistic evaluation, prediction, and diagnosis of the integrity of the casing-cement sheath-casing assembly system under alternating temperature and pressure, which helps optimize cement slurry systems, improve cementing quality, and prevent cement sheath integrity failure. This invention is applicable to the field of oil and gas drilling and production engineering technology.

The invention belongs to the field of hard disk production, and particularly relates to a hard disk assembly system and method.The hard disk assembly system comprises an assembly line, a packaging work station and a finished product work station which are sequentially arranged and further comprises a double-layer backflow conveying line and a hard disk jig arranged on the double-layer backflow conveying line; a clamping mechanical arm, a packaging box supply assembly line and a packaging box positioning jig are arranged on the packaging station, the downstream of the conveying belt is arranged close to the finished product station, and the packaging box positioning jig comprises a packaging box body positioning mechanism and a packaging cover body positioning mechanism; and a feeding mechanical arm and a finished product warehouse are arranged on the finished product station. According to the system, automation of the assembling-packaging process is achieved, an efficient and stable production closed loop without manual intervention is constructed through the automatic jig management function of the double-layer backflow conveying line and the finished product work station, and the system has extremely high application value in large-scale hard disk production.

The invention relates to the technical field of motor assembly, and provides a motor assembly system with a motor shell and cylinder body integrally formed structure, the motor assembly system comprises a turntable mechanism, a conveying mechanism, an assembly mechanism and a mechanical arm, the turntable mechanism is used for temporarily storing a rotor, the conveying mechanism comprises a sliding rail, and a tray is horizontally and slidably connected to the sliding rail; the assembling mechanism comprises an assembling table and a downward pressing assembly which cooperates with the positioning disc and is used for fixing the cylinder body, and an assembling frame is horizontally, linearly and movably connected to the assembling table. The assembly frame is rotationally connected with an installation disc used for positioning, placing and fixing the rotor, the installation disc is provided with a guide sleeve used for installing the rotor in the cylinder body in a guiding and aligning mode, and the mechanical arm is used for transferring the rotor on the rotary disc mechanism to the installation disc. Closed-loop operation of assembly of the cylinder body and the rotor is achieved, the assembly precision and efficiency are improved, and the consistency of product quality is guaranteed.

The invention relates to a display screen assembling device and a display screen assembling system. The device comprises a bending module and a first feeding module, the bending module is provided with a moving assembly capable of moving in the X direction and an adsorption panel capable of moving in the Z direction, and the bending module is used for adsorbing and moving a display assembly; the first feeding module is provided with a first moving platform and a first bearing table and used for bearing a backlight assembly. Through cooperative driving of the moving assembly and the adsorption panel, the flexible circuit board of the display assembly can accurately penetrate through the backlight assembly to complete hole passing. According to the device, automatic alignment and accurate assembly of the display assembly and the backlight assembly are achieved through integrated module design, the technical problem that the flexible circuit board is prone to deflection, clamping stagnation and damage in the perforating process is effectively solved, and the assembly precision, the production efficiency and the product yield are remarkably improved.