207 results about "Machine design" patented technology

The invention discloses a CAD automatic generation system and method based on intelligent model selection and application, and aims at achieving automatic modeling under the multi-modal design requirement. The system comprises a user interaction module for receiving multi-modal input such as natural language, sketch and voice; the intelligent demand analysis module is used for combining an industrial large language model and a product knowledge graph, combining semantic analysis and generating a structured demand; the intelligent model selection calculation module is used for matching the optimal parameter combination and the component list based on a multi-objective optimization algorithm; the CAD automatic generation module calls a parametric modeling engine to generate an editable three-dimensional model; the constraint solving module is used for processing hard constraints and soft constraints in real time and dynamically adjusting model parameters; and the model output and interaction module feeds back a design state and supports user iteration. The system realizes full-process automation from the design intention to the CAD model, improves the design efficiency and accuracy, and is suitable for the fields of mechanical design, intelligent manufacturing and the like.

The invention discloses a quick assembly and disassembly type modular telescopic supporting structure, and belongs to the field of general machinery design. The problems that a traditional supporting structure is low in disassembly and assembly efficiency, poor in adjusting precision and inconvenient to store and transport are solved. The structure comprises an outer cylinder, a self-locking telescopic structure, a magnetic suction quick-connection node structure and folding devices, the bottom end of the outer cylinder is movably connected with the magnetic suction quick-connection node structure, an inner cavity is connected with the self-locking telescopic structure in a clamped mode, and the folding devices are annularly fixed to the surface of the magnetic suction quick-connection node structure. The self-locking telescopic structure adopts a self-locking telescopic unit of a hexagonal nested sleeve, and is matched with an elastic ratchet bar, a slope clamping block and a compression spring, so that single-hand downward pressure stepless regulation is realized, locking is realized by virtue of friction and occlusion, the vertical deviation is small, and the bearing capacity is high; six permanent magnets are arranged at the bottom and an inner cavity of the magnetic attraction quick connection node, are distributed in an annular array mode and are quickly spliced by rotating and clamping the bottom end of an outer cylinder, electric power is not needed, and the bolt risk is avoided. And the folding storage mechanism supports quick disassembly of the supporting legs and is convenient to store and carry.

The invention relates to the technical field of fluid machine design and artificial intelligence crossing, in particular to an optimization design method and system oriented to turbomachinery, a storage medium and a computer program. According to the method, a standardized data bus of a parameter layer, a configuration layer, a geometric layer and a result layer penetrates through an average line, parameterized geometry and multi-objective optimization are carried out, thermophysical property calibers are unified, and sample-level archiving and playback are achieved. Through LHS / Sobol sampling, Kriging proxy, NSGA-II and other algorithms, isentropic efficiency, pressure ratio and structure / noise indexes are collaboratively optimized under the condition that constraints of mass flow, minimum thickness, tip clearance and the like are met; the system is coupled with CFD / FEM through an adapter, and supports GUI and batch processing. Compared with the prior art, the design efficiency, the cross-module consistency and the result traceability are improved, and a manufacturable Pareto optimal blade scheme is obtained.

The application relates to the technical field of gear shaft welding, and particularly discloses a machining device for a planetary gear shaft, which comprises a base, a mechanical arm body, a welding gun, a material pushing structure, a material discharging structure and a butt joint structure. The base is convex, and the base has left and right ends and a front end. The mechanical arm body is fixedly arranged on the upper wall of the front end of the base. The welding gun is fixedly arranged on the mechanical arm body. The material pushing structure is fixedly arranged on the upper wall of the right end of the base. The material discharging structure is fixedly arranged on the upper wall of the base and close to the material pushing structure. The butt joint structure is fixedly arranged on the upper wall of the left end of the base. The machining device realizes efficient, flexible and automatic operation of gear shaft welding through innovative mechanical design and automatic technology, has the advantages of high adaptability, high efficiency and stability, cost reduction, easy maintenance, welding quality improvement and the like, and is suitable for various industries and customized production requirements.

The invention discloses a collaborative design method and device for a gear transmission system facing a marine environment, and relates to the field of mechanical design, and the method comprises the steps: obtaining the working depth of the gear transmission system in the marine environment, and calculating the environmental parameters of the ocean based on the depth and a first relation; state parameters of lubricating oil used in the gear transmission system are calculated according to the environment parameters and the second relation; selecting an initial gear material from a material performance parameter database according to the state parameters of the lubricating oil and the environmental parameters of the ocean; selecting an initial configuration in the configuration database according to the design requirement of the gear transmission system; and taking the initial gear material and the initial configuration as initial conditions, inputting the gear material and the configuration into a coupling performance prediction model to predict and obtain a performance index, and carrying out iterative solution on an objective function by adopting a multi-objective optimization algorithm under constraint conditions to obtain the optimal gear material and configuration. The method overcomes the limitation of a traditional separated design, and can capture a complex coupling relationship.

The invention relates to the field of scroll compressor design, and discloses a full-meshing double-vortex-ring scroll compressor diffusion hole machining design method which comprises the steps of constructing an initial design domain, defining a multi-working-condition working point set and a fluid dynamic control equation determined by compressor operation parameters to construct a multi-working-condition analysis model, establishing a solid isotropic material penalty model, and designing a diffusion hole of a full-meshing double-vortex-ring scroll compressor according to the solid isotropic material penalty model. Multi-working-condition robustness topological optimization with the total pressure loss weighted sum under all the weighted working conditions as the target is executed, a discrete pseudo-density field is obtained, parameterized geometric reconstruction is conducted on the discrete pseudo-density field, and a diffuser hole parameterized geometric model controlled by parameter vectors is obtained. By introducing multi-working-condition robustness topological optimization and integrated dynamic machining constraint linkage re-optimization, remarkable robustness of aerodynamic performance of the diffusion hole in a wide working range is achieved, it is ensured that the diffusion hole meets the high-quality and high-efficiency numerical control machining requirements congenitally, and the design efficiency and manufacturing feasibility of the diffusion hole of the scroll compressor are greatly improved.

A rapid detection and automatic release control system for cloth twining on a roller and a dyeing machine thereof relate to the technical field of dyeing machines, overcome the defects that a traditional dyeing machine lifting system is controlled by a frequency converter, and comprise a lifting roller, a servo motor and a servo driver, the servo motor is a non-band-type brake servo motor and is in transmission connection with the lifting roller through a synchronous belt; the servo driver is connected with and controls the speed of the servo motor, and the servo driver further comprises a brake resistor which enables a rotor of the servo motor to generate reverse electromagnetic brake torque and controls the free rotation speed of the rotor of the servo motor. The system can effectively reduce accidents that the fabric is tangled in the roller, reduce fabric wiping marks and improve the fabric quality, and after the system is introduced, a mechanical tangling detection device can be omitted, the machine design can be simplified, the machine cost can be effectively reduced, and the competitiveness is improved.

The invention discloses a multifunctional safety type connecting bridge system for an LNG (liquefied natural gas) filling wharf boat, which comprises a connecting bridge body, the connecting bridge body comprises an LNG equipment cabin and a pedestrian guardrail, an LNG pipeline group is laid in the LNG equipment cabin, and two ends of the LNG pipeline group are respectively communicated with a fixed pipeline of the connecting wharf boat and are output / input outwards; the LNG equipment cabin comprises an anti-explosion partition plate and an anti-explosion sealing top plate, the anti-explosion partition plate and the anti-explosion sealing top plate jointly define a cabin space for laying of the LNG pipeline set, the pedestrian guardrail is fixedly connected to the top of the LNG equipment cabin, and the pedestrian guardrail and the LNG equipment cabin define a pedestrian path; the LNG equipment cabin is movably connected with the wharf boat and the wharf through universal hinge supports. Through mechanical design and flexible connection design of vertical space layering, physical isolation of a dangerous source and a personnel channel is achieved in a single bridge body, safety is improved, the overall design is miniaturized, and the device is more suitable for transformation projects with limited space and can adapt to wharf boat operation under various hydrological conditions.

The invention relates to a method for gear shaping a periodic structure, in particular a toothing on a workpiece, in which method the workpiece, continuously rotating about its axis of rotation, is brought into material-removing machining engagement with a toothed shaping tool which rotates about its axis of rotation in rolling contact with the workpiece rotation. After a working stroke, the shaping tool is lifted off from the workpiece in a lifting direction and, after a subsequent return stroke, the shaping tool in the lifted state is returned to the workpiece again for the next working stroke. In the return stroke, a deflection movement of the shaping tool away from the incoming flank of the workpiece and transversely to the lifting direction is superimposed on the rolling contact.

The utility model relates to the technical field of cloth inspecting machine design, and discloses a cloth inspecting machine convenient for adjusting the position of a control panel, which comprises a machine body, an unwinding roller, a winding roller, a cloth inspecting lamp box and the control panel, the connecting sleeve is provided with a connecting pipe, the upper end of the connecting pipe is connected with the control panel, the lower end of the connecting pipe is embedded in the connecting sleeve, the connecting sleeve is provided with an inner threaded sleeve communicated with the interior of the connecting sleeve, and the inner threaded sleeve is in threaded connection with a locking threaded shaft with the end used for abutting against the outer wall of the connecting pipe. An adjusting sleeve rotationally connected to the end of the connecting pipe is arranged on the upper side of the control panel, and a positioning piece used for positioning the angle of the control panel is arranged between the adjusting sleeve and the connecting pipe. The locking threaded shaft is connected into the inner threaded sleeve in a threaded mode so that the end of the locking threaded shaft can abut against the outer wall of the connecting pipe, at the moment, the circumferential rotating position of the connecting pipe can be positioned, and therefore the position of the control panel can be adjusted.

The utility model relates to the technical field of mechanical design and manufacturing, and discloses a lubricant retaining structure of a transmission shaft, which comprises a transmission shaft, a fixed disc, a sliding component, an auxiliary component and a lifting component, a sliding assembly is embedded in the transmission shaft, and a fixing disc is fixedly arranged on the transmission shaft. The sliding assembly is fixedly sleeved with an auxiliary assembly, and a lifting assembly is arranged in the auxiliary assembly. A positive and negative rotation motor in the lifting assembly drives a lead screw to drive an embedding ring and a retaining plate to move, the position height of the retaining plate is adjusted and controlled through transmission of the lead screw and the embedding ring, the storage space and the conveying amount of a lubricant in a retaining box are accurately adjusted, waste and defects are avoided, and the working efficiency is improved. A large-capacity storage space is provided through the retaining box of the auxiliary assembly, the retaining box is fixed to the outer side of the scarf joint cylinder, the supplementing frequency is reduced, scarf joint of the sliding assembly and the transmission shaft and the connecting mode of all the assemblies are simple and easy to operate, mounting and dismounting are convenient and fast, the mounting difficulty and time cost are reduced, and the assembling efficiency and maintainability are improved.

The present application relates to the technical field of steel pipe processing, in particular to a greenhouse steel pipe cutting device, which comprises a cutting table, the top rear side of the cutting table is fixedly connected with a steel pipe conveying table, the cutting table comprises a cutting table main body, the front side of the inner side of the cutting table main body is provided with a positioning and cutting assembly, the present application is provided with the cutting table and the steel pipe conveying table, realizes the automatic control of the steel pipe cutting process, through a series of precise mechanical design and power transmission, ensures that each step of the steel pipe from conveying, positioning, cutting to discharging can be efficiently and accurately completed, the whole cutting device not only improves the work efficiency, but also greatly reduces the complexity of manual operation, reduces the operation risk, in addition, the trajectory of each steel pipe sliding is the same, ensures the consistency and accuracy of cutting, the design of the device fully considers various factors in the steel pipe cutting process, such as the stability of the steel pipe, the control of cutting precision, ensures that the whole cutting process can be carried out smoothly.

The fancy concave cutting gemstone faceting attachment device is a device that allows concave type faceting of gemstones by means of mounting this device to an existing faceting machine. This may be accomplished utilizing the existing machines drive motors and hardware. This device prevents the need to purchase completely separate concave faceting machines to accomplish the same task of concave faceting. This is preferably a universal machine design allowing this device to mount to many makes of faceting machines in the current marketplace.

A method performed by an apparatus may comprise defining a Markov decision process (MDP) for use in deep reinforcement learning associated with gear train topology, representing the gear train topology based on the MDP, generating the gear train topology through deep reinforcement learning of a deep Q-network (DQN), and constructing a gear train based on the generated gear train topology.

The invention relates to the technical field of roller grinding supporting tiles, in particular to a method for adapting to various roller grinding conditions by using a universal supporting tile, which comprises the following steps of: selecting and improving the supporting tile: selecting a supporting tile on a 4 # grinding machine as a universal basic improvement; an axial dovetail groove is reserved, and a straight groove of 20 mm * 3 mm is additionally arranged in the radial direction to prevent the alloy from falling off; a counterbore is omitted and changed into an arc notch, heating is reduced, and precision is not affected; an alloy surface arc is changed into a plane to prevent a roller from deviating, and a new tile is naturally ground in 10 hours; the supporting tile sliding block is improved and matched, lengthening is optimized, and the installation mode is changed; the imported grinding machine designs a sliding block according to an adjusting stroke; domestic grinding machine mirror image locking groove integration types; the universal supporting tile is used for grinding the roller. The problems that due to the fact that existing supporting tiles and sliding blocks are various, purchase and storage are inconvenient, and operation is prone to confusion are solved; the design of the supporting tile has defects, and the problems of alloy falling, counterbore blockage, roller deviation and the like exist; the supporting tile sliding block is not universalized, and the number of spare parts is doubled.

The invention discloses an electrically-driven bulldozer cooling system and a cooling method, and belongs to the technical field of design and manufacture of engineering machinery, the electrically-driven bulldozer cooling system comprises a speed reduction transmission mechanism, a heat dissipation mechanism, a sensor group, a driving mechanism and a controller, different heat dissipation branches connected with a final transmission part are arranged, and the sensor group is connected with the controller. The flow of the cooling medium in the heat dissipation branch is adjusted in time through the corresponding driving circulation loop and depending on the temperature measured by the sensor set, the cooling effect and cooling efficiency of final transmission in the bulldozer are improved, and the situation that a pure electric bulldozer needs a large braking resistor in the braking process is avoided. The problems that an existing bulldozer is poor in final transmission cooling effect and serious in power consumption are solved.

An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed circuit board assembly (PCBA), and a plurality of positioning pins. The capacitor assembly comprises a center hole, at least one capacitor, a capacitor housing having at least one busbar, and a plurality of through holes in the capacitor housing. The capacitor assembly and the at least one PCBA are positioned inside the housing. The plurality of positioning pins pass through the through the plurality of through holes of the capacitor housing and the at least one PCBA and are connected to the housing.

Device for the largely emission-free transfer of laundry into a washing machine or spin-dryer, comprising a suction blower (12), a connection adapter (14) with T-branch, a pipe (15) leading into a wastewater channel (10), an exhaust air duct (13), a closing device (16) and a control unit, wherein: - the connection adapter (14) for adapting to the washing machine or washer-extractor and enabling individual retrofitting with its T-branch can be connected to an existing mixing container (6) or to any point on the outer drum (1) of the washing machine or washer-extractor, depending on the machine design, - the T-branch of the connection adapter (14) has a lower outlet that leads to the drainage of condensate, washing lye and foam into the pipeline (15), - the T-branch of the connection adapter (14) has an upper outlet on which the extraction fan (12) is mounted, the outlet side of which leads into the exhaust duct (13), - the extraction fan (12) is designed to create a directed airflow from the outer drum (1) into the exhaust duct (13) when the loading door (3) of the washing machine or washer-extractor is open, and to switch on automatically when the loading door is opened, and off again after the loading door is closed or after a programmable time has elapsed, and - the closing device (16) is arranged and configured to allow the discharge of liquid from the outer drum (1) during a washing process through the pipeline (15) into the wastewater channel (10), but closes the pipeline (15) tightly during a suction process of the suction blower (12).

The invention provides a mechanical design chart hybrid intelligent analysis method and system based on interactive learning, and provides an efficient and systematized solution for intelligent processing of mechanical design chart knowledge by adopting a multi-modal data fusion technology and combining deep learning, an OCR (Optical Character Recognition) technology and natural language processing. Through an accurate chart and text recognition method, the analysis precision and the practical efficiency of design knowledge are remarkably improved, and the precision requirement in standardized mechanical design is met; the system adopts a convolutional neural network and an attention mechanism, solves the problems of insufficient precision and inaccurate structured data output when a complex chart is processed in a traditional technology, and optimizes data integration and processing flows by seamlessly connecting an analysis result with an agent knowledge base and a database.

The application relates to a low-friction design method of a planetary roller screw, and belongs to the technical field of mechanical design. Step 1, a contact point position solving model and a kinematics model of the planetary roller screw are established, and the sliding speed and the entrainment speed of a screw-roller and a roller-nut contact pair at a contact point are solved; step 2, according to the definition of a slide-roller ratio, a slide-roller ratio calculation model of the screw-roller and the roller-nut contact pair of the planetary roller screw is established; step 3, according to the correct movement and meshing requirements of the planetary roller screw, a structure constraint condition is established; step 4, taking the minimization of the slide-roller ratio of the screw-roller and the roller-nut contact pair as an optimization target, and combining the structure constraint condition, a low-friction design model of the planetary roller screw is established; step 5, a multi-objective evolutionary algorithm is adopted to calculate the low-friction design model of the planetary roller screw, and optimal solutions and corresponding structure design parameters are obtained.

The present application belongs to the field of mechanical design, and particularly relates to a method for extracting a center line of a rod body based on internal point array information of a three-dimensional model. The method comprises the following steps: S1, extracting an outer surface and a bounding box information of a rod body model with a cross-sectional radius R of the rod body; S2, generating an initial point array in the bounding box; S3, extracting a point inside the rod body model and a nearest point of the point to the outer surface of the rod body model; S4, calculating coordinates of a center O of a rod body cross section corresponding to each point in a point array sub-set extracted in step S3; and S5, performing curve fitting on all points O to obtain a center line of the rod body model. The present application can realize fast extraction of a center line of a non-straight rod body three-dimensional model, and is particularly suitable for application in a rod body design environment with a relatively complex shape.

The invention relates to an instrument installation design optimization method, which belongs to the field of electrical measurement instrument mechanical design, and comprises the following steps: generating an optimal non-standard size scheme based on a genetic algorithm of a multi-target fitness function; establishing an intelligent spacing distribution model, and adjusting the installation spacing of the instrument through the intelligent spacing distribution model; and dynamically adjusting the tolerance by adopting a tolerance self-adaptive system according to the distance between the instruments, and the like. According to the method, a non-standard-size compatibility design scheme can be dynamically generated, the problem of poor adaptability of a traditional instrument installation design size is solved, space waste and installation interference are avoided, the common-hole installation space utilization rate is increased, and the rework rate caused by panel trepanning machining errors is reduced.

The invention relates to a coffee machine which comprises a bag supporting frame which is installed on a machine body in a sliding mode, a release channel is formed in the bag supporting frame, the release channel is used for containing and guiding a coffee bag, and the size of the release channel is configured to allow a fixed extraction head to penetrate through; and the linkage mechanism is used for transmitting the movement of the movable extraction head to the bag supporting frame. According to the coffee machine designed by the invention, through the free stroke design of the linkage mechanism, the bag supporting frame is static at the initial stage of bag withdrawing so as to preferentially carry out gravity bag withdrawing, coffee bags which are possibly adhered are actively scraped during subsequent resetting, a double bag withdrawing guarantee mechanism combining gravity falling and mechanical scraping is realized, and the coffee bag withdrawing efficiency is improved. The problem of bag withdrawing failure caused by adhesion of coffee bags due to damp heat is fundamentally solved, and the bag withdrawing reliability is ensured.

The present application relates to the field of fluid machinery design, specifically relates to a kind of multi-component collaborative optimization's composite gas-liquid centrifugal pump;Including impeller, flow guide component and volute;The impeller includes cover plate and is arranged on the hub of cover plate, hub is installed with blade, blade is divided into front impeller section and rear impeller section along radial direction, wherein segmented gap is formed between front impeller section and rear impeller section, the cover plate is symmetrically provided with a plurality of backflow holes, wherein impeller is provided with impeller inlet and impeller outlet;The cover plate is provided with spoiler structure away from the side of blade;In the design optimization of centrifugal pump, the composite structure of multi-component coupling can effectively improve its gas-liquid mixed transport performance;Using segmented blade, the synergistic effect of flow guiding of segmented gap and backflow hole circulation can form three-dimensional rotational cutting flow field in the impeller, can efficiently break up stagnant gas mass, effectively suppresses gas phase aggregation, creates good conditions for gas-liquid mixed transport.

The utility model relates to the technical field of precision machinery design and manufacture, and discloses a numerical control machine tool positioning error real-time compensation device which comprises a fixing block, a hydraulic machine is fixedly connected in the fixing block, the output end of the hydraulic machine is fixedly connected with a limiting plate, and the lower surface of the limiting plate is fixedly connected with a first sliding plate. A first sliding rail is slidably connected to the lower surface of the first sliding plate, a limiting rod is slidably connected into the limiting plate, a limiting groove is formed in the limiting plate, a supporting assembly is arranged on the outer wall of the second sliding rail, and the supporting assembly is used for auxiliary supporting. According to the utility model, the hydraulic machine drives the limiting plate so as to drive the first sliding plate, the limiting groove drives the limiting rod, the limiting rod drives the second sliding plate, and the second sliding plate drives the lifting plate to lift, so that the height of the probe instrument is adjusted in real time; therefore, the probe instrument is always kept at a proper distance from the machining surface of the machine tool.

The invention relates to the technical field of mechanical design, in particular to a mechanical structure global intelligent design system based on topological evolution optimization. Comprising a global parametric modeling module configured to construct an initial population of a mechanical structure by using an explicit geometric description method based on a preset design domain, a mechanical boundary condition and a manufacturing process constraint, each individual in the initial population being uniquely represented by a group of geometric parameter vectors, according to the method, a closed-loop feedback mechanism of a physical perception agent model and active learning evolution is constructed, so that the inherent contradiction of huge time consumption of traditional evolution optimization calculation and insufficient physical precision of a pure data driving model is effectively overcome; according to the system, the deep neural network is used for replacing high-frequency finite element calculation, the global search efficiency of a complex mechanical structure is improved by two orders of magnitude, meanwhile, real-time error calibration is carried out on an agent model through online high-fidelity verification, and it is ensured that the mechanical property prediction error of an optimal solution is lower than a preset threshold value.

The invention relates to an electromechanical machine for converting animal skins into leather, consisting of a machine intended to participate in one or more steps of a process for converting any animal skins into leather. The machine is characterized in that it comprises: a main tank (1) in which the animal skin (3) is immersed in a treatment fluid, called syrup (2), containing one or more additives; an impeller suction motor pump (4) circularly conveys the syrup (2) through a water outlet pipe (5) to a reversing valve (5.1), the reversing valve guides the syrup (2) to one or more filters (6), guides the treatment fluid to a heater (7) or a bypass pipe (5.3), and finally reaches a group of storage tanks (8), and the storage tanks (8) are connected with the water outlet pipe (5). The filter is preferably a slow sand type filter, a decanter type filter, a settling tank type filter, an ozone or UVC ultraviolet radiation disinfection type filter, a zeolite type filter, an activated carbon type filter, an anthracite type filter, a silicon dioxide type filter, an argenite type filter or a copper ion generator type filter, and an opening / closing valve (5.2) is arranged on a pipeline behind the reversing valve (5.1). The syrup (2) is then stored and then discharged into the main tank (1) via a return line (5.4). The machine is provided with a gear motor (9), and the gear motor transmits power through a rotating shaft (10) provided with a clamp (13) at the end. The clamp is arranged opposite to another same clamp (13) mounted on the sliding shaft (11); the machine is provided with a fixed stop block (15.1) fixedly connected with the main tank (1) and a movable stop block (15) fixedly connected with the sliding shaft (11); a spiral spring (14) is mounted between the two stop blocks; when the length of the spiral spring changes, the spiral spring can control the reversing device (16), and then the rotating direction of the gear motor (9) is adjusted. The machine is provided with a programmable central computer, and the computer is controlled according to the required characteristics of each animal skin in the aspects of color, tanning agent type, fatliquoring agent type, fixing agent type and the like.

The invention discloses a design processing method and device of a state machine, a storage medium and electronic equipment, relates to the technical field of nuclear power instrument control systems, and mainly aims to solve the problems of high cost and low reuse rate when the state machine in a nuclear power DCS (Distributed Control System) is designed by adopting existing graphical model design software. Performing modularization customization processing on each state machine element to obtain each corresponding component module; the state machine elements comprise a state machine, a state, migration and bifurcation; tool options corresponding to the state machine, the state, the migration and the bifurcation are set on a toolbar of a software page, and an incidence relation is established between the corresponding tool options and the component module; and when the tool option is selected, calling the corresponding component module based on the incidence relation, and designing a state machine structure on a software page according to the sequence of the engineering structure.

The invention relates to a kind of multi-wheel chain suspension system suspension function calculation method, and belongs to the technical field of engineering machinery design.The calculation method of the invention is suitable for chain transmission trajectory movement in the same plane;the polygon effect of chain wheel and chain is not obvious, and can be calculated by using the index circle;the chain system presents rigid property and does not occur obvious deformation;the number of chain wheel is greater than or equal to 2;by establishing accurate geometric, mechanical and total length constraint equation set, a closed nonlinear system is formed.After reasonable initial prediction of the lowest point tension of catenary and the direction angle of chain wheel meshing point, the accurate value is obtained by iterative solution.The accurate equation of catenary of each section of chain in the system, the tension distribution along the chain and the sag at any position can be further calculated.The method has high precision and strong universality, can process chain wheel system with any number and arrangement, and provides an effective theoretical calculation tool for the design, tension optimization and state analysis of chain transmission.

The utility model relates to the field of press machine design, and discloses an automatic press machine for a backboard production line, which comprises a working rack, a stamping connecting frame and a stamping working frame, the rear end of the working rack is provided with a stamping setting frame, the stamping setting frame is provided with a vertical stand, the vertical stand is provided with a stamping connecting frame, and the stamping connecting frame is connected with the stamping working frame. A stamping working frame is arranged below the stamping connecting frame, a back plate limiting assembly is arranged at the front end of the working rack, and a discharging assembly is arranged in front of the back plate limiting assembly. The press machine for backboard production is arranged to be of an open type stamping structure, the feeding selection and use range is widened, the stamping air cylinder is used for controlling the stamping work frame to directly cover the outer end of the backboard limiting assembly, relative connection of the stamping upper die base and the stamping lower die base is established, and a backboard workpiece is directly stamped. The die can be disassembled, assembled and replaced, the die is suitable for being used for punching production of back plates of different specifications, and the practicability of the press machine is effectively improved.