370 results about "Mechanical engineering technology" patented technology

The invention relates to the technical field of mechanical engineering, in particular to a three-dimensional simulation design method and system based on an elevator structure. The method comprises the following steps that an elevator structure drawing is obtained; a three-dimensional elevator assembly is constructed according to the elevator structure drawing; lift car static load simulation is conducted according to the three-dimensional elevator assembly, and lift car static load data are obtained; detecting the structural strength of the lift car based on the lift car static load data; evaluating welding defects based on the structural strength of the lift car, and generating welding defect data; identifying a weld weak area according to the welding defect data; determining the abrasion loss of the car structure based on the weld weak area; according to the lift car structure abrasion loss, the lift car bottom plate fracture risk is predicted; carrying out welding optimization design based on the fracture risk of the bottom plate of the lift car to obtain welding optimization design data; and traction and traction simulation is conducted according to the three-dimensional elevator assembly, and traction and traction data are obtained. Based on the mechanical engineering technology, the safety and stability of the elevator structure are improved, and the design precision and efficiency are remarkably improved.

The invention discloses a TBM cutterhead blockage early warning system based on distributed temperature measurement, and belongs to the technical field of mechanical engineering, a multi-modal data fusion unit comprises an integrated multi-source sensor module and a data fusion analysis module, the integrated multi-source sensor module adopts a bionic cobweb topological structure to arrange a flexible fiber grating sensor, and the data fusion analysis module adopts a data fusion analysis module to analyze the flexible fiber grating sensor. The data fusion analysis module carries out fusion processing on multi-source data through a machine learning algorithm and constructs a multi-modal data input layer, and the data fusion analysis module also designs dynamic weight distribution through a process scheduling algorithm. A bionic cobweb topological structure is adopted to arrange the flexible fiber grating sensor, the strain self-compensation characteristic of the flexible fiber grating sensor is utilized to adapt to cutterhead deformation, a machine learning algorithm is utilized to fuse multi-source data, a multi-modal data input layer is constructed, dynamic weight distribution is achieved through a process scheduling algorithm, and the cutterhead deformation detection accuracy is improved. The problem of data islands of a traditional single sensor system is solved, and the monitoring precision and adaptability are improved.

The invention discloses an air flotation vacuum pump performance prediction system based on a specific calculation model, and relates to the technical field of mechanical engineering. Comprising a multi-parameter fluctuation sensing module, a weak feature sensitive extraction module, an abnormal coupling atlas construction module, an instability precursor identification module, a prediction model regulation and control module and a model adaptive optimization module, and carrying out fusion in a preset time window, constructing a multi-parameter synchronous fluctuation sensing model, and outputting a synchronous anomaly index. By introducing multi-parameter synchronous fluctuation perception, weak feature extraction and an abnormal coupling map, accurate identification and early warning of the early instability trend of the air floating vacuum pump are realized, and an intelligent system with real-time perception and closed-loop prediction capabilities is constructed by combining model regulation and control and a self-adaptive optimization mechanism, so that the operation safety and stability are improved.

The invention discloses a hand-held drill based on spiral airflow chip removal, and relates to the technical field of mechanical engineering, the hand-held drill comprises a machine body and a first assembly mounted on the machine body, the first assembly comprises a positioning frame for assisting rapid disassembly and assembly, the outer ring of the positioning frame is fixedly connected with a wedging body A, and the upper end face of the vertical line of the positioning frame is fixedly connected with a clamping body; through the arrangement of the first assembly, the clamping groove is matched with the wedging body B in a sliding clamping mode, the quick connecting groove is matched with the wedging body A in a sliding clamping mode, quick mounting of the quick connecting frame and the machine body is achieved, and the structure can be flexibly mounted or dismounted according to actual requirements when facing different drilling operation scenes and materials; after the operation is finished, the assembly can be detached from the machine body for independent and thorough cleaning, so that the influence on the next use caused by residual chippings is avoided; and meanwhile, during storage, the disassembled components and the fuselage can be separately stored, so that the storage space is saved, and mutual collision and damage among the components can be avoided.

The invention relates to the technical field of mechanical engineering, in particular to a reciprocating type vertical lifting device.Two stand columns are fixedly connected to the top of a rail car, ejector rods are fixedly connected to the tops of the stand columns, a dynamic lifting mechanism is fixedly connected to the side faces of the stand columns, and a fixed side plate is arranged in the middle of the dynamic lifting mechanism; winding drums are arranged on the side faces of the two sides of the fixing side plate, a bearing mechanism is arranged in the middles of the two stand columns, a bearing table is arranged in the middle of the bearing mechanism, a balance mechanism is arranged at the bottom of the bearing mechanism, a balance base is arranged in the middle of the balance mechanism, and a balancing weight fixing base is arranged at the bottom of the balance base; a deceleration block is arranged on the side face of the balance mechanism, capsizing moment generated by goods deviation and position is counteracted, the deviation problem of the bearing mechanism is solved, friction between the bearing mechanism and the stand column guide rail is reduced, the stress of the root of the stand column is reduced, and the maintenance period is prolonged.

The invention discloses a self-adaptive parallel clamp and method suitable for a bush-disc test, and belongs to the technical field of mechanical engineering, the self-adaptive parallel clamp comprises a supporting mechanism, a parallelism adjusting mechanism is arranged in the supporting mechanism, the lower end of the supporting mechanism is connected with a clamping rod, the lower end of the clamping rod is provided with a sample clamping mechanism, and the sample clamping mechanism is provided with a clamping mechanism. And a movement mechanism is arranged at the lower end of the sample clamping mechanism. By adopting the self-adaptive parallel clamp suitable for the lining-disc test, the problem of parallelism error between the lining and the disc is solved, so that the horizontal load error and the friction force and friction coefficient measurement error caused by the error are reduced, and a more accurate surface-surface friction wear disc test is realized.

The invention belongs to the technical field of mechanical engineering, particularly relates to a self-adaptive grabbing mechanical arm, and provides the following scheme aiming at the problems that a clamping mechanism with a fixed shape is difficult to effectively fit an irregular outline of an object, so that the contact area of grabbing points is small, the stress is non-uniform, and the grabbing is unstable easily, the self-adaptive grabbing mechanical arm comprises a base; the rotating table is movably connected to the upper part of the base; the lifting hydraulic cylinder is fixedly connected to the upper end face of the rotating table; the main arm beam is fixedly connected to the driving end of the lifting hydraulic cylinder; and the sliding seat slides on the main arm beam. According to the self-adaptive grabbing mechanical arm, through the self-adaptive grabbing module, the self-adaptive grabbing mechanical arm can be bent in a self-adaptive mode to be attached to object contours of different shapes and sizes, a grabbed object is tightly wrapped in cooperation with the clamping air bag piece which is inflated and expanded, and flexible and stable grabbing of a target object with the complex outer surface is achieved; and the grabbing adaptability and convenience are remarkably improved.

The invention relates to the technical field of port cranes and mechanical engineering, in particular to a crane structure fatigue life prediction method and system. The invention provides a crane structure fatigue life prediction method. The crane structure fatigue life prediction method comprises the steps that a finite element model of a crane structure is established, and a stress-load mapping relation matrix of crane structure nodes is generated through dimension reduction processing; collecting actual working data of the crane structure; performing data processing on the actual working data, and constructing an actual working load spectrum; based on the stress-load mapping relation matrix and the actual operation load spectrum, generating a stress-time history used for calculating the fatigue life structure node of the crane; and calculating the fatigue damage of the crane structure and predicting the residual fatigue life by combining a stress-life curve and an accumulative damage theory of a crane structure material. According to the method provided by the invention, online, real-time and accurate prediction and visualization of the fatigue life of all structures of the crane are realized, and a basis is provided for formulating an accurate operation and maintenance plan.

The invention relates to a quasi-static straight gear wear numerical analysis method, and belongs to the technical field of mechanical engineering. The method comprises the following steps: calculating a dynamic wear coefficient by using a mixed lubrication model; the contact pressure and the sliding distance are calculated in an integral form, a straight gear quasi-static numerical wear model is established by using matlab software with the help of an Archard formula, and a wear value is calculated; the influence rule of the modulus, the torque and the tooth width on the abrasion loss is obtained, and meanwhile the significance of the influence of the three factors is analyzed through an orthogonal experiment method. Compared with the prior art, the method has the advantages that the problem that the calculation of the contact pressure is greatly influenced by the grid units is researched and solved, so that the obtained contact pressure value is more accurate, and the tooth surface wear is reduced according to the rule and significance analysis of the influence of various factors.

The invention relates to the technical field of mechanical engineering, and discloses a rotary table accurate alignment control method based on multi-modal sensing fusion, which comprises the following steps: firstly, acquiring multi-modal sensing data of a target rotary table, fusing the multi-modal sensing data into a multi-modal vector, and identifying a real-time pose; calculating a deviation value between a current position and a target position, determining a control stage, and constructing a hierarchical control process; then extracting control positioning data in the process, dividing to obtain an adjustment sequence, and generating a turntable servo motor driving instruction; then, a high-frequency disturbance value during instruction execution is collected, an anti-disturbance control quantity is calculated, and a precision unbalance point is detected; and finally, identifying the precision deviation value of the unbalance point, carrying out cooperative alignment with a preset precision index to obtain a parameter group, and generating an alignment control strategy. According to the invention, the control precision and the adaptive capability of the rotary table in a complex application environment can be improved.

The invention discloses a laser cutting clamping device, and relates to the technical field of mechanical engineering, the laser cutting clamping device comprises a table plate, the top of the table plate is slidably provided with a laser support, the inner wall of the laser support is rotatably provided with a telescopic laser head, and the surface of the table plate is provided with a lifting turnover device; the turnover device comprises a U-shaped lifting rod, a first motor, a lead screw, a lantern ring, a second motor, a fixing frame, a slope protruding block, an L-shaped push rod, a round plate, a sliding clamping plate, a short round rod, a U-shaped push rod, a hollow round plate, a fixed clamping plate, a short telescopic rod, an L-shaped limiting rod and a sliding limiting rod, a square groove is formed in the surface of the table plate, and the U-shaped lifting rod is slidably installed on the inner wall of the square groove. The fixed clamping plate rotates to drive the plate to rotate, the U-shaped push rod is stressed to lift the plate when the plate rotates to 180 degrees, and the situation that the large-thickness plate falls off in the overturning process due to the fact that the large-thickness plate is too heavy is avoided.

The invention is suitable for the technical field of mechanical engineering, and provides a mechanical gap prediction method, device and system and a medium, and the method comprises the steps: obtaining a first mechanical gap value of mechanical equipment, and obtaining operation data and environment data when the mechanical equipment works; wherein the first mechanical clearance value is obtained through measurement when the mechanical equipment works under the standard condition; predicting a second mechanical gap value of the mechanical equipment through a pre-trained prediction model according to the operation data and the environment data; constructing a mechanical parameter calculation function according to the operation data, and adjusting the first mechanical gap value according to the mechanical parameter calculation function to obtain a third mechanical gap value; and performing weighted fusion on the first mechanical gap value, the second mechanical gap value and the third mechanical gap value to obtain a mechanical gap value of the mechanical equipment. According to the method, the mechanical gap of the mechanical equipment in the automatic calibration system of the inductive linear displacement sensor can be predicted in real time, and the prediction accuracy is improved.

The invention relates to a quick connector and a production mold thereof, and relates to the technical field of mechanical engineering, and the quick connector comprises a first pipeline, a second pipeline and a connecting shell made of an engineering plastic material. The corrosion resistance is improved through the connecting shell made of the engineering plastic, the connecting shell is made of the engineering plastic, a metal hoop in the prior art is replaced, and the problem of metal corrosion is solved from the material level. The hoop directly wraps the connecting end of a pipeline, does not need to be exposed to the external environment, can resist erosion of water vapor and corrosive media for a long time, ensures the stability of a connecting structure, and solves the problems of clamping force attenuation and leakage hidden danger caused by corrosion of a traditional metal hoop. Tool-free rapid operation is achieved through the limiting mechanism, and through the synergistic effect of a limiting sliding rod, a first spring and a first ball, when the connecting shell is pulled upwards, constraint of an annular limiting hole to the first ball is relieved, the first spring rebounds to drive the limiting sliding rod to be away from the second pipeline, and pipeline insertion is facilitated.

The invention discloses a shafting vibration characteristic analysis method and system based on elastohydrodynamic lubrication, and relates to the technical field of mechanical engineering.The method comprises the steps that the entrainment speed, the time-varying curvature radius and the contact load at a contact point in a gas distribution-oil supply cam pair are determined; respectively inputting the entrainment speed, the time-varying curvature radius and the contact load at the contact point into a friction analysis model in an elastohydrodynamic lubrication state, and calculating a time-varying curve of the total interfacial friction force of the gas distribution-oil supply cam pair in the whole working cycle; based on time-varying friction excitation corresponding to any moment in the change curve, determining a system excitation vector of the gas distribution-oil supply cam pair by using interface friction as a key connection quantity through experimental testing and simulation modeling technologies; according to the system excitation vector and the structure parameters of the camshaft system, establishing a camshaft system torsional vibration characteristic coupling analysis model considering the interface elastohydrodynamic state; and solving the shaft system torsional vibration differential equation set to obtain the influence rule of the time-varying friction on the instantaneous vibration characteristics of the camshaft system.

The invention belongs to the technical field of computer aided design and mechanical engineering, and relates to a parameterized three-dimensional automatic modeling and assembling system and method for a rolling bearing. The system comprises a parameter input module used for obtaining bearing design parameters; the part modeling module is used for generating an inner ring model, an outer ring model, a rolling body model and a retainer model which comprise preset assembly reference surfaces according to the parameters; the assembly logic module is used for automatically positioning the respective three-dimensional models of the multiple parts of the rolling bearing in a three-dimensional space and constructing a complete bearing assembly so as to generate a complete rolling bearing; and the auxiliary function module is used for providing model file management, modeling process visualization and data output functions. The method has the beneficial effects that the traditional dependence on a solid geometric surface is replaced by abstract association of the reference surface and the coordinate system, and high automation, stabilization and parameterization of the modeling and assembling process are realized.

The invention discloses a telescopic device deformation prediction and control system based on multi-modal fusion deep learning, and relates to the technical field of mechanical engineering. The system comprises a data acquisition module, a preprocessing module, a data fusion module, a deep learning prediction module, a control decision module and a feedback optimization module. The data acquisition module acquires multi-modal data by using a distributed sensor array; the preprocessing module processes the data to ensure the quality; the data fusion module fuses the data to generate comprehensive data; the deep learning prediction module outputs a predicted deformation value by means of an LSTM and CNN fusion architecture; the control decision module performs hierarchical control according to a comparison result of a predicted value and a safety threshold and comprises a fuzzy control unit optimization instruction; and the feedback optimization module optimizes model parameters and control strategies online by using a reinforcement learning algorithm, so that high-precision prediction and self-adaptive control of deformation of the telescopic device are realized, and the structural safety and the system intelligence level are improved.

The invention relates to the technical field of mechanical engineering, and discloses a special valve sealing element integrated machining process which comprises the following steps: S1, carrying out ultrasonic cleaning on a high-performance stainless steel or titanium alloy base material to remove oil stains and impurities on the surface; s2, performing one-time rough machining on the outer circle, the inner hole and the end face of the base material by using a five-axis numerical control lathe; s3, the multiple sealing elements are connected into a whole through TIG welding or high-strength epoxy resin bonding; s4, a numerical control grinding machine is adopted for conducting finish machining on the sealing face, and polishing liquid is matched with an automatic polishing machine to enable the surface roughness to meet the design requirement; an anti-corrosion coating is sprayed on the sealing surface according to use requirements; and S5, ultrapure water in a dust-free room environment is adopted for cleaning and drying, and then a pressure sealing test, a temperature resistance test and a corrosion resistance test are conducted. Through TIG welding, hot press molding and X-ray nondestructive testing, connection of multiple parts on the molecular level is achieved through the technology, and defects at joints are reduced.

The invention discloses a comprehensive intelligent test method and system for the performance of a high-load bearing, and relates to the technical field of mechanical engineering, and the test method comprises the steps: carrying out the loading test of the rigidity performance of a wind power heavy-load industrial bearing according to a loading working condition script parameter constructed according to the working condition specification requirement of the wind power heavy-load bearing, obtaining an original test data set; in combination with a Hilbert transform method, analyzing the phase coupling degree of a micro-seismic signal and a charge signal of the wind power heavy-load industrial bearing within the test duration so as to judge whether the contact behavior of a rolling body in the wind power heavy-load industrial bearing and a raceway is normal or not, and sending out a rigidity attenuation analysis instruction; and analyzing the rigidity attenuation degree of the wind power heavy-load industrial bearing in the test duration by combining the loading working condition script parameters, obtaining a test rigidity attenuation value Zsj to judge whether the rigidity performance of the currently tested wind power heavy-load industrial bearing is qualified or not, and marking the wind power heavy-load industrial bearing as a rigidity performance bearing of a corresponding grade.

The invention discloses a mechanical-electrical-sensing integrated quick-change interface and a quick-change method, and belongs to the technical field of mechanical engineering. The quick-change connector comprises a connector driving end, a connector driven end and a locking force increasing mechanism, and high locking force is achieved on the premise of miniaturization by adopting the principle that electromagnetic drive is combined with conical surface force increasing. The electrical connection and protocol conversion module integrates a tail end slave station, supports conversion of various communication protocols such as RS-485, CAN, EtherCAT and PWM, and realizes plug and play of a tail end tool; and the sensing module integrates a visual sensor and a six-dimensional force sensor and provides real-time environmental vision and force / torque feedback. Through deep integration of structure, electricity and sensing, the problems that an existing quick-change interface is complex in structure, poor in protocol compatibility and lack of autonomous sensing capacity are solved, and the flexibility, reliability and intelligent level of on-orbit fine operation of the space robot are remarkably improved.

The present invention relates to the field of mechanical engineering technology, and in particular to a three-dimensional simulation design method and system based on an elevator structure. The method comprises the following steps: obtaining an elevator structure drawing; constructing a three-dimensional elevator assembly according to the elevator structure drawing; simulating a car static load according to the three-dimensional elevator assembly to obtain car static load data; detecting the car structure strength based on the car static load data; evaluating welding defects based on the car structure strength to generate welding defect data; identifying weld weak areas according to the welding defect data; determining the amount of car structure wear based on the weld weak areas; predicting the risk of car floor fracture according to the wear of the car structure; performing welding optimization design based on the risk of car floor fracture to obtain welding optimization design data; and performing traction simulation according to the three-dimensional elevator assembly to obtain traction data. The present invention improves the safety and stability of the elevator structure based on mechanical engineering technology, and significantly improves the design accuracy and efficiency.

The utility model relates to the technical field of mechanical engineering, and discloses a ground intelligent pressurization driving device which comprises a shell, a PLC is fixedly connected to the left side of the shell, a data transmission line is fixedly connected to the driving end of the PLC, a motor is fixedly connected to the rear side of the data transmission line, and the motor is fixedly connected to the left side of the shell. The driving end of the right side of the motor is fixedly connected with a coupler, the right side of the coupler is fixedly connected with a three-way connector, the rear side of the three-way connector is fixedly connected with a water tank, the right side of the three-way connector is fixedly connected with a multi-stage centrifugal booster pump, and the multi-stage centrifugal booster pump is fixedly connected with a pressure pipeline. According to the utility model, the motor enables water in the water tank to enter the multistage centrifugal booster pump under the action of the three-way connector, the water enters the pressure pipeline after pressure is applied to the water, the pressure transmitter controls the flow rate, the two electromagnetic valves control the water flow entering the channel, and the PLC can perform timing, quantitative and circulating pressurization on any channel.

The utility model provides a kind of bracket device of production mine electric wire cable equipment force arm adjustment, belong to mechanical engineering technical field, including support mechanism, including pedestal, the column of being fixed in the top of the pedestal, the support column of being fixed in the top of the pedestal, the connecting plate of being fixedly installed in the top of the column, and the lifting lug of being fixed in the surface of the connecting plate;Wire reel fixing mechanism, including the support assembly of being movably installed in the lateral wall of the column, the centring assembly of being rotated in the lateral wall of the column, and the locking assembly being arranged in the surface of the centring assembly.The utility model is designed by reverse thread in the both ends of screw rod of centring assembly, both sides slider synchronous movement when rotating handle, ensure the distance of clamp to wire roll center, realize that wire reel is always located in the central position of wire roll, so that axial force distribution is uniform, wire laying precision is improved, wire roll deformation is also avoided simultaneously, and service life is improved.

The utility model relates to the technical field of mechanical engineering, and discloses an elastic hot-pressing suite structure which comprises an outer rod, a hot-pressing head and a clamping hoop, the surface of the outer rod is sleeved with an anti-abrasion shaft sleeve and a buffer spring, the buffer spring is arranged at the bottom of the anti-abrasion shaft sleeve, an installation cylinder is fixedly installed at the bottom of the outer rod, and the installation cylinder is arranged in the outer rod. The inner wall of the mounting cylinder is in threaded connection with a hot pressing head, a heating core is movably mounted in the outer rod, the surface of the outer rod is fixedly connected with a hoop through a limiting screw rod, and a temperature sensor is arranged in the hoop. According to the utility model, the temperature sensor is placed in the hoop, and the hoop is fixedly arranged on the surface of the outer rod, so that a user can disassemble and replace the temperature sensor as required, and different types of temperature sensors can be installed according to different hot-pressing task requirements by replacing the temperature sensor, thereby reducing the maintenance cost and time; and the accuracy of temperature measurement is ensured, so that the control precision of the whole hot-pressing system is improved.

The utility model provides a cooling device of a rock drill testboard, and relates to the technical field of mechanical engineering. The cooling device of the rock drill test bench comprises a water tank, a water cooler, a test bench rack, an air cooler and a hydraulic system, the test bench comprises a punched head and a drilling tool, the drilling tool is connected with the punched head, a first water guide pipe is arranged on the drilling tool, and a second water guide pipe is arranged on the punched head; the water tank is connected with the water cooler, the water cooler is connected with the first water guide pipe and the second water guide pipe, and the first water guide pipe and the second water guide pipe are both connected with the water tank. The water cooler is also connected with the hydraulic system; the water tank is connected with the air cooler which is connected with the water tank. The cooling water is conveyed to the drilling tool and the punched head through the first water guide pipe and the second water guide pipe to cool the high-temperature parts, the used cooling water is not directly discharged, but is cooled through the air cooler and then flows back into the water tank again, a cyclic utilization closed-loop system is formed, and waste of the cooling water is reduced.

The invention discloses a solvent recycling device for a PU synthetic leather wet-process production line and a use method of the solvent recycling device, and relates to the technical field of mechanical engineering. Comprising a liquid inlet pipe and further comprises a feeding component, the top of the feeding component is fixedly connected with the top of the liquid inlet pipe, the feeding component comprises a pre-separation assembly, the top of the pre-separation assembly is fixedly connected with the bottom of the liquid inlet pipe, and the inner wall of the pre-separation assembly is slidably connected with a magnetic separation assembly; according to the recycling device, a radial magnetic field is generated through permanent magnet blocks annularly arrayed on the outer wall of a conical block, ferromagnetic impurities are efficiently adsorbed and prevented from entering a follow-up filtering assembly to cause blockage, non-stop maintenance is supported through the sliding design of a pull rod and a limiting ring, and the practicability is high. Adsorbed impurities can be rapidly cleaned by pulling the magnetic separation assembly, the maintenance time is shortened, and the solvent recycling device achieves the purpose of the solvent recycling device for the PU synthetic leather wet production line.

The vertical shaft derrick plastic energy dissipation protection beam structure disclosed by the application comprises a plastic energy dissipation component, a support component is fixed to the upper side of the plastic energy dissipation component through a plurality of bolts, a soft steel energy dissipation support is fixed to the two sides of the support component, the other sides of the two soft steel energy dissipation supports are fixed to steel columns, a plurality of buffer supports are further arranged, the buffer supports are fixed to the lower side of a steel beam, the steel beam is arranged above the support component, and the buffer supports correspond to the support component. The energy dissipation protection beam has the advantages of simple structure, convenient installation, wide application in the technical field of impact resistance protection in civil engineering and mechanical engineering, effective absorption and dissipation of impact energy, cooperation of multiple dissipation components and protection components, greatly improved energy dissipation capacity of the protection component, easy installation and replacement of the plastic energy dissipation components, low cost, and high protection efficiency.

This utility model provides a positioning device for improving the transmission accuracy of a torque converter assembly, belonging to the field of mechanical engineering technology. It includes a mounting mechanism and a mounting component. The mounting component has a chassis and a mounting groove formed on the chassis. The torque converter assembly is detachably mounted in the mounting groove. The positioning mechanism includes a drive component and a limiting component. This utility model, through improved structural design of the positioning device, effectively solves the problems of low positioning accuracy, unstable clamping, and easy damage to the workpiece surface in traditional torque converter assembly positioning methods. It adopts a flexible protection mechanism combining an elastic contact surface and a buffer pad layer, which not only improves clamping stability but also reduces the risk of wear on the torque converter assembly surface. Simultaneously, by using a knob to drive the limiting component, it achieves simultaneous improvement in operational convenience and positioning accuracy, effectively ensuring the transmission performance and service life of the torque converter assembly and meeting the needs of high-precision assembly and efficient production.

The application discloses a kind of automatic adjustment repair core device, system and method, it is connected to mechanical arm in mechanical engineering technical field, including base, is connected to mechanical arm;Electric control mechanism, including drive assembly and telescopic part;Drive assembly is connected to base;Telescopic part can be telescopic movement relative to the base by drive assembly;Rotary mechanism, including guide column and rotating disc;Guide column is rotatably connected to base;Rotating disc has with guide column connection guide portion, and with telescopic part hinged connection hinged portion;Drive assembly drives the linear reciprocating movement of the telescopic part, to drive the rotating disc relative to the base rotation;Repair core mechanism, including repair core rod connected to rotating disc, repair core rod is rotated under the driving of the rotating disc to remove the joint of sand core by preset angle;It can realize driving repair core rod rotation preset angle, can remove the joint of different positions.

The utility model provides a kind of anti-drop type mechanical engineering hoist device, belong to mechanical engineering technical field, to solve the hoist device of existing, part relies on C-shaped lifting hook and slides, part is operated complicated with elastic tab anti-drop, and spring is frequently used and is prone to damage to function attenuation problem. Including lifting appliance main part, hook, inner hook piece, anti-drop block, knob, limiting block, anti-drop assembly and adjusting assembly, the hook is fixedly installed in lifting appliance main part bottom;The inner hook piece is arranged in hook interior;The anti-drop block is fixedly connected in inner hook piece interior;The knob is rotatably connected in inner hook piece interior;The limiting block is provided with two groups, two groups The limiting block is slidably connected in inner hook piece interior;The anti-drop assembly is arranged in hook interior;The adjusting assembly is arranged in inner hook piece interior.The utility model has the advantages of reliable anti-drop, simple operation, maintenance directly and the like.

The utility model provides a working arm for an industrial robot, which belongs to the technical field of mechanical engineering and comprises a bearing mechanism, a base, a first motor adaptively mounted at the bottom of the base, a first connecting rod fixedly connected to the output end of the first motor through a coupler, and a fixing plate fixedly connected with the outer end face of the first connecting rod. The driving mechanism comprises a second motor installed on the outer surface of the fixing plate in a matched mode, a guide plate fixedly connected with the output end of the second motor, a clamping assembly used for fixing the materials and a quick detaching assembly used for detaching the clamp. According to the utility model, by designing the quick release assembly which comprises the fixed block, the sliding columns, the limiting columns and the like, the clamping jaw can be quickly disassembled and assembled without a tool, and a user only needs to press the sliding columns on the two sides, so that the limiting columns can move from one end of the limiting groove to the other end of the limiting groove, the fit state with the limiting block is released, and the mounting block is easily taken down; and the clamp replacement process is simplified, and the working efficiency and flexibility are improved.