490 results about "Mechanical wear" patented technology

The invention relates to the technical field of belt conveyors, and discloses an intelligent tensioning control method and system for a belt conveyor. According to the method and system, a dynamic mathematical model is constructed by collecting the current, rotating speed and torque parameters of a driving motor and combining hydraulic cylinder pressure and turnabout drum bearing force data, and high-precision indirect estimation of belt tension is achieved; a progressive adjustment strategy is adopted, the displacement of the hydraulic cylinder is dynamically adjusted according to tension deviation, mechanical abrasion is reduced, and system reliability and severe environment adaptability are improved. The method has the beneficial effects that the tension control error is reduced, the hydraulic action frequency and the maintenance cost are reduced, and meanwhile, the operation efficiency and safety of the conveyor are improved.

The invention relates to the technical field of power equipment fault diagnosis, and particularly discloses a pole-mounted circuit breaker mechanical fault diagnosis method and system, and the method comprises the steps: firstly, synchronously collecting a dynamic force-displacement signal, a high-frequency acoustic emission signal and a broadband vibration signal in the switching-on and switching-off process of a circuit breaker operating mechanism; then, the acoustic emission and vibration signals are decoupled into an impact source component and a friction source component which are statistically independent through a blind source separation algorithm; performing envelope spectrum analysis on the impact source component to extract impact characteristics, and performing energy calculation on the friction source component to obtain friction noise energy characteristics; finally, on the basis of dynamic force-displacement curve fitting analysis, in combination with impact characteristics and friction noise energy characteristics, distinguishing and delimiting of mechanical wear and lubrication degradation faults are achieved. According to the invention, the problem that the existing diagnosis technology cannot effectively identify and distinguish the coupling fault of mechanical wear and lubrication deterioration is solved, and early warning and accurate diagnosis of the mechanical fault of the pole-mounted circuit breaker are realized.

The invention relates to the technical field of PCBA packaging, discloses a PCBA packaging method and equipment based on a fixed glue spraying assembly, and aims to solve the technical problems of complex wiring, high mechanical loss and inconvenience in maintenance in a mobile packaging scheme of an existing glue spraying assembly. The PCBA packaging method comprises the steps that a glue spraying assembly sprays a UV glue solution to a target glue spraying area of a PCBA, and a curing irradiation assembly irradiates the PCBA to cure the UV glue solution to form a packaging layer; wherein the glue spraying assembly comprises a plurality of rows of independently-controlled piezoelectric spraying holes, the positions of the piezoelectric spraying holes are fixed in the whole spraying process, and full coverage of a target glue spraying area is achieved only by driving the PCBA to move. The PCBA packaging equipment comprises a support, a conveying mechanism, a fixedly-arranged glue spraying assembly and a curing irradiation assembly, the conveying mechanism drives a PCBA to move along a preset path, and it is ensured that a target glue spraying area is exposed under the glue spraying assembly in sequence or repeatedly. According to the invention, the wiring structure of the glue spraying assembly is simplified, the mechanical wear is reduced, the equipment reliability and maintenance convenience are improved, the precision and efficiency of PCBA packaging are ensured through synchronous curing and precise movement control, and the method is especially suitable for selective protection packaging of a low-height PCBA board with the maximum height of an electronic component smaller than 1cm.

The invention discloses a fault monitoring sealing ball valve, belongs to the technical field of ball valves, and solves the problems that a self-adaptive compensation mechanism of an intelligent valve positioner can cover the degradation process of mechanical wear of a pneumatic sealing ball valve quietly during long-term operation, and finally sudden control instability is caused due to the fact that nonlinear wear exceeds a compensation limit. Comprising a valve body, a pneumatic actuator arranged on the valve body, a valve rod which is in transmission connection with an output shaft of the pneumatic actuator and located in the valve body, a valve ball fixedly connected with the valve rod and a fault prediction circuit. The fault prediction circuit comprises a multi-dimensional physical sensing array module, a high-speed synchronous acquisition and preprocessing module, a core signal processing and fusion analysis module, an artificial intelligence coprocessor module and a predictive maintenance decision and life cycle management module. Multi-dimensional signals are collected in real time, valve health is evaluated after fusion analysis, and early warning and maintenance decisions are output.

The invention discloses high-voltage wiring harness connector terminal fretting wear test equipment which comprises an equipment base, a high-frequency vibration exciter and a lifting platform are mounted on the equipment base, and a mounting platform is arranged at the top of the lifting platform; a left test piece mounting loading mechanism and a right test piece mounting force measuring device are arranged on the mounting platform. The device can realize a multi-physics field coupling test, current-carrying friction and arc erosion of an electric contact surface in a real working condition are simulated by combining a current load with high-frequency mechanical wear, and the electric-mechanical coupling wear characteristic of a new energy automobile charging terminal is accurately reproduced. The device supports the dynamic adjustment of normal load, simulates the contact pressure change of the left and right test samples of the test terminal in the plugging process through the test sample pin and the test sample jack, can be used for researching the relevance between the fretting wear and the contact resistance of the test terminal under different loads, and realizes the test of the terminal under complex working conditions in a laboratory environment. The test process is convenient, efficient and accurate, and the test cost and the test period are greatly reduced.

The invention relates to the technical field of scissor fork truck brake control, and discloses a scissor fork type aerial work platform walking brake control system and method.The scissor fork type aerial work platform walking brake control method is characterized in that an operation handle enables a key to reset and triggers a brake request, and initialization and triggering of a brake control sequence are achieved; the state of the shear fork truck is monitored, gradient and load information is collected, and the external environment working condition and the internal load state are synchronously obtained by calling data of a tilt angle sensor and a pressure sensor in real time; according to rapid braking of the shear fork truck, based on data collected in real time, a three-stage cooperative braking strategy of speed reduction, pressure relief and turn-off is adopted, and based on gradient information collected in real time, the switching time sequence between stages is adjusted in a self-adaptive mode, and accurate matching of the braking process, dynamic loads and topographic conditions is achieved; therefore, the effect of considering the braking efficiency and the terminal parking stability on the premise of no mechanical wear is achieved; and the shear fork truck completes braking and tends to stop stably. And different working conditions can be quickly, stably and adaptively adapted.

The invention relates to the technical field of server testing equipment, and discloses a controllable device applied to server backboard testing and a control method thereof.The controllable device comprises a master device and at least one slave device, the master device is connected with the slave device through an FPC flexible circuit board, the master device is used for receiving a testing instruction, and the slave device is used for receiving the testing instruction; and a control instruction is sent to the slave device according to the test instruction, and the slave device is used for executing the control instruction to realize connection and disconnection of the data link. The slave device is embedded into the data link based on the SAS protocol, link on-off is achieved through electronic control, traditional manual insertion and extraction operation is replaced, manual intervention is reduced, and full-process automatic testing is achieved. The device not only improves the test efficiency, but also avoids mechanical wear of interfaces such as SFF-8643, Slimline x4 and the like caused by physical plugging and unplugging, and avoids the risk of damage caused by low positioning precision of traditional equipment at the same time.

The invention belongs to the technical field of numerical control machine tools, particularly relates to a high-speed servo drive chain type tool magazine, and provides the following scheme aiming at the risk that a tool is accidentally loosened due to vibration, impact, mechanical wear, instantaneous insufficiency of hydraulic clamping force and the like, the tool loosening easily causes a machine tool collision accident and causes heavy loss and potential safety hazards: the high-speed servo drive chain type tool magazine comprises a rack, a rotary tool magazine mechanism is arranged on one side of the rack, a tool disc is fixedly connected to one side of the rotary tool magazine mechanism, tool magazine bodies are arranged on one side of the rotary tool magazine mechanism at equal intervals, and tool bodies are arranged in the multiple tool magazine bodies. And the tool changing mechanism is arranged on one side of the rotary tool magazine mechanism. The high-speed servo drive chain type tool magazine disclosed by the invention has the effects that the falling risk is actively prevented through the anti-falling early warning module, instant locking and alarming are carried out when an accident occurs, meanwhile, the rotary deviation correction module is cooperated to ensure that a tool is accurately placed in place, and the loosening probability caused by deflection is reduced from the source.

The invention discloses an electronic brake system of a fishing reel, and belongs to the technical field of fishing gears. The system comprises a side cover, an adjusting drive plate, a brake adjusting execution assembly, a supporting cover plate, a coil base, an electric control board and a wire cup assembly, wherein the electric control board integrates an optical detection module, a conductive detection module and a control unit; a stop block of the brake adjusting execution assembly and an adjusting drive plate move synchronously, a conducting circuit and a conducting contact can be selectively conducted through a conducting layer on the bottom face of the brake adjusting execution assembly, discrete electric signals identifying gears are output, meanwhile, the shielding degree of the stop block on an optical path of the optical detection module changes continuously, and continuous light sensation analog signals are formed. And the control unit locks the gear according to the discrete electric signal, and responds to the light sensation analog signal to realize stepless regulation of the braking force in the same gear. The device adopts dual-mode cooperative detection, has the characteristics of no mechanical wear, high precision and strong interference resistance, is compact in structure and controllable in cost, effectively improves the casting stability of the fishing reel and the user experience, and is suitable for various fishing reels with precise brake requirements.

The invention relates to the technical field of non-electrical variable control or regulation systems, and discloses an exhaust gas aftertreatment flow channel back pressure dynamic regulation method, which comprises the following steps: acquiring a supply source phase reference signal and establishing cyclic mapping; a fluid channel pressure signal pulse range change rate is extracted to determine a feed-forward factor; determining a pressure signal trough interval as an action window; determining a reference amplitude based on the feedback deviation and using a feed-forward factor for compensation to determine a target adjustment instruction; the adjusting mechanism is driven to move in the action window, so that the response peak value is locked in the trough interval, the adjusting action is locked in the low-energy phase, kinetic energy intervention of fluid pulses on the adjusting mechanism is avoided, and mechanical abrasion is reduced; pulse characteristic feed-forward compensation is utilized to enable an adjusting instruction to sense the trend of a flow field, the response speed is increased while a signal is smoothed, and pressure balance under the transient working condition is maintained.

The invention relates to the technical field of motor driving control, and discloses a motor driving method with low delay response. The method comprises the steps of collecting real-time operation parameters such as motor speed data, position data and current data, determining a low-delay control model based on the parameters, generating a dynamic adjustment instruction by using the model and applying the dynamic adjustment instruction to a motor driving system, and executing feedback calibration operation according to motor response data so as to update the model. Parameters are collected in real time, and an adaptive control model is constructed, so that a control instruction can be changed along with the running state of the motor, and the lag of an intermediate link is reduced; the dynamic adjustment instruction directly acts on the driving system, and the response speed is increased; the feedback calibration criterion compensates performance drift through continuously optimizing the model, and ensures that the motor keeps stable dynamic performance under different working conditions. The method can enhance the response capability of the motor in the scenes of load sudden change, speed switching and the like, improve the synchronism of multi-motor cooperation, reduce mechanical wear, and is suitable for various motor types and application scenes.

The embodiment of the invention provides a flywheel direct-driven cogeneration unit dynamic adjusting system and a control method thereof, in the embodiment of the invention, a magnetic suspension technology is adopted to eliminate friction of a traditional mechanical bearing, and quick starting and stopping of the rotating speed of a flywheel are realized; the high-temperature superconducting magnetic clutch achieves instantaneous mechanical coupling / decoupling of the flywheel and the circulating pump through the zero resistance characteristic, and the response time is short. The frequency modulation requirement of a new energy power grid can be matched, and meanwhile hard constraint of thermal load fluctuation on electric energy output is avoided. The mechanical direct-drive path directly utilizes the kinetic energy of the flywheel to drive the circulating pump, so that a multi-stage energy conversion link in a traditional mode is omitted; the electric adjusting path realizes bidirectional power exchange between the flywheel and a power grid through an energy interface device, and the loss of an inverter is reduced; and the high-temperature superconducting magnetic clutch realizes zero-energy-loss transmission in a coupling state. The magnetic suspension flywheel set adopts a non-contact suspension technology, so that mechanical wear is eliminated; the high-temperature superconducting magnetic clutch achieves non-contact transmission through magnetic coupling, and friction loss is avoided.

The invention provides a method for regulating and controlling a hydrodynamic balance valve with a real-time load feedback function, and the method comprises the steps: collecting the strain, water level, gas, vibration and motor current data of the balance valve in real time, constructing and utilizing a comprehensive load balance model, and calculating the effective safety torque of the balance valve in real time at an edge calculation layer; a mechanical wear degradation factor is calculated based on the action history and the current variance of the locking mechanism, and the instantaneous instability risk probability is calculated in combination with the effective safety torque and the current locking torque; according to the instantaneous instability risk probability, an output mode of a locking mechanism is dynamically adjusted to execute a graded locking action; and periodically calculating a full-life-cycle health degree index, and automatically generating a maintenance or replacement work order when the full-life-cycle health degree index is lower than a preset threshold value. According to the invention, the conversion from passive alarm to active defense is realized, and the safety and operation and maintenance efficiency of the urban balance valve in rainstorm, heavy load and corrosion environments are obviously improved.

The invention provides a mechanism wear characteristic analysis method considering multi-joint correlation, and relates to the technical field of mechanical wear analys.The method comprises the steps that a direct correlation intensity matrix is determined according to time sequence wear data of all joints of a mechanism, and a wear influence directed graph is generated; in the wear influence directed graph, obtaining all influence transmission paths from any joint to another joint; constructing a first prediction model and a second prediction model by taking a target joint influencing the tail end of the transmission path as a verification object; if the prediction precision of the second prediction model is greater than the prediction precision of the first prediction model, determining that the influence transmission paths are effective, generating an effective path set according to all the effective influence transmission paths, and analyzing the wear characteristics of each joint or the overall mechanism based on the overall mechanism wear correlation network model; the problems that the analysis error is large and the system-level wear evolution rule cannot be reflected due to neglect of joint correlation in a traditional method are effectively solved.

The invention relates to the technical field of numerical control machine tool control, and provides an automatic precision adjustment control method and system for a numerical control machine tool, and the method comprises the steps: continuously judging the influence degree of a non-uniform mechanical wear error and a thermal deformation error on the current machining precision according to a non-uniform mechanical wear error feature and a thermal deformation error feature; according to the non-uniform mechanical wear error characteristics, calculating the mechanical wear compensation amount related to the motion axis position and the motion direction; according to the thermal deformation error characteristics, calculating a thermal deformation compensation amount related to the machining time length; according to the influence degree, the combination mode of the mechanical wear compensation amount and the thermal deformation compensation amount is adjusted, the mechanical wear compensation amount and the thermal deformation compensation amount are fused based on the combination mode, and a motion instruction compensation value is generated; and continuously superposing the motion instruction compensation value into an original motion instruction of the numerical control system so as to realize automatic precision adjustment and control. The method has the effect of improving the machining precision, stability and production efficiency of the numerical control machine tool.

The invention discloses a train running gear bearing state prediction and early warning method and system, and the method comprises the steps: synchronously collecting vibration, noise and temperature data, and building a standard vibration reference based on rotation period segmentation; extracting a component characteristic frequency and confirming fault information by adopting a frequency spectrum decomposition and intermodulation analysis technology, and determining a monitoring working frequency and a component weight table; a temperature confrontation processing mechanism is introduced, decoupling parameters are generated through a heat distribution matrix and directional heat flow analysis, and accurate separation of temperature influence and mechanical wear signals is achieved; constructing an equivalent transformation matrix based on a noise dependency relationship, and performing standardized transformation on pure vibration data to generate a comparable state index; through abrasion tracking and vibration transmission analysis, path reconstruction is carried out in combination with transfer parameters, and accurate positioning and evolution prediction of faults are achieved; and finally, dynamically adjusting the component weight based on the path control signal, establishing a four-level grading early warning system, and realizing real-time monitoring and intelligent early warning of the running state of the bearing.

This application relates to a rotary compactor. The rotary compactor includes: a biaxial universal swing frame, a specimen mold, a mold rotation drive component, an oil cylinder guide and support frame, and a lifting oil cylinder; one end of the specimen mold is installed on the mold rotation drive component, and the other end of the specimen mold is connected to the biaxial universal swing frame, so that the mold rotation drive component can drive the specimen mold to perform 360° conical swing around the axis of the biaxial universal swing frame; the mold rotation drive component is installed on the oil cylinder guide and support frame; the lifting piston rod of the lifting oil cylinder penetrates through the oil cylinder guide and support frame and the mold rotation drive component and abuts against the mold bottom plate in the inner cavity of the specimen mold, so that the lifting piston rod can provide lifting compaction power for the specimen mold. The solution provided by this application can streamline the mechanical structure of the rotary compactor while ensuring the movement rules of the mechanism, reducing mechanical wear, and improving the overall reliability of the rotary compactor.

The utility model discloses a kind of gearshift mechanisms of vehicle transmission, it includes: shell, the inner wall of shell is rotatably connected with input shaft, the outer surface of input shaft is fixedly connected with several transmission gear trains, the inner wall of shell is rotatably connected with output shaft, the outer surface of output shaft is slidably connected with several gearshift devices, the outer surface of shell is fixedly connected with fixed shell, the inner wall of fixed shell is rotatably connected with pole lever, the inner wall of shell is fixedly connected with sensing processor. Through the above structure, it can improve anti-interference ability, effectively resist electromagnetic interference or single sensing processor failure caused by misjudgment, adaptive learning is carried out simultaneously, driver operating habit and vehicle working condition can be dynamically learned, gear switching logic is optimized, and artificial misoperation risk is reduced. At the same time, adopt magneto-electric coupling linear drive actuating mechanism, improve response speed, improve power connection efficiency, reduce mechanical wear, adapt to frequent gear shifting scene, avoid gear position fuzzy problem caused by clearance of traditional mechanism.

The invention relates to the technical field of automobile control, and provides an active air-inlet grille actuator step loss prevention self-calibration method and system. The method comprises the following steps: firstly, arranging a microswitch at a completely closed position of a blade to establish a non-tampering absolute position reference, and using a trigger signal of the absolute position reference as a physical reference point for system calibration; and continuously comparing the actual state of the switch with the expected state calculated based on the step number to realize real-time diagnosis of step loss abnormity. And when the states are detected to be inconsistent, the system automatically triggers a self-calibration process, the blade is controlled to recalibrate the reference position and the maximum opening limit, and the linear mapping relation between the step number and the opening angle is dynamically reconstructed. Through the synergistic effect of physical reference positioning and intelligent diagnosis, the accuracy of blade opening control and the system reliability are remarkably improved, the problem of pose misalignment caused by external force intervention, mechanical abrasion and the like is effectively solved, and a complete solution is provided for accurate control over the active air inlet grille.

The application discloses a fire-resisting vacuum pressure breather valve and particularly relates to the technical field of breather valves, which comprises a shell, an exhaust valve plate arranged in the shell, a buffer block arranged above the exhaust valve plate, a piston cavity formed in the buffer block, a damping cavity arranged outside the piston cavity, a piston part arranged in the piston cavity and connected with the exhaust valve plate, a one-way air inlet mechanism arranged at the bottom of the piston cavity, a one-way air outlet mechanism arranged on the side wall of the piston cavity and located below the piston part, a plurality of damping holes arranged in an array on the outside of the damping cavity, and a temperature control shielding mechanism arranged above the damping cavity and used for shielding the damping holes in a stepped manner, so that the movement speed of the piston part and the exhaust valve plate is negatively correlated with temperature. The application can adjust the opening time of the exhaust valve plate according to temperature, and can reduce the influence of mechanical wear or low-temperature icing on the sensitivity of the valve body as much as possible.

The application discloses a kind of anti-delivery belt device, it includes a conveying box (1), the inside of the conveying box (1) is provided with a driven friction pulley (2) and driving friction pulley (3), the driven friction pulley (2) is rotatably connected with the inner wall of conveying box (1) by first pivot (4), the driving friction pulley (3) is rotatably connected with the inner wall of conveying box (1) by second pivot (5), the driven friction pulley (2) and driving friction pulley (3) are driven by transmission belt (6) and are driven by transmission belt (6), the driving device and clutch device of one side of the driving friction pulley (3) are installed to drive driving friction pulley (3) positive and negative rotation.The application can be adjusted according to the actual situation of use site the transmission direction of conveying belt, so its overall adaptive range is wider, and transmission structure is stable and reliable, reduce the mechanical wear in positive and negative rotation adjustment process, make its overall service life longer.

The utility model relates to carbon brush technical field, and disclose a kind of low-wear carbon brush assembly, the inside installation of mounting seat is equipped with carbon brush, the upper and lower sides of mounting seat are fixedly connected with protruding strip, the upper and lower sides of mounting seat are equipped with limiting slot in installation groove, the upper and lower sides of carbon brush are integrally profiled with guide strip;Two telescopic springs in the utility model can support carbon brush and guide strip by baffle, can improve the stability of carbon brush support, prevent the uneven stress of one end of carbon brush, reduce the mechanical wear of carbon brush, to prolong the service life of carbon brush;By extruding the arc protrusion of elastic sheet, make its stress deformation, the one end of pressure elastic sheet is separated from the inside of mounting hole, then pull pressure elastic sheet and drive fixed plate to separate from the inside of mounting seat, then pull connecting wire and drive carbon brush to separate from the inside of mounting seat, then complete the disassembly of carbon brush, simple and quick operation.

The application discloses a production line fault checking method based on a regional attention learning mechanism, relates to the technical field of production line fault checking, and synchronously collects low-frequency vibration, high-frequency acoustic emission and temperature time sequence signals, covers multidimensional fault characteristics such as mechanical wear, shaft misalignment and thermal effect abnormality, and solves the problem that traditional single signal detection is not complete. According to different signal characteristics, key abnormal characteristics are focused, redundant noise is filtered, and the effectiveness of the characteristics is improved. A collaborative degradation factor model is constructed based on health history data, the weight coefficient is dynamically adjusted through maintenance post-down rate feedback, the device working condition change is adapted, and the poor adaptability of the static model is avoided. The maintenance effect (collaborative degradation factor down rate) is quantitatively evaluated, accurate maintenance is guided, invalid maintenance is reduced, and the production line operation and maintenance efficiency is improved.

The application belongs to the field of material grabbing devices of optical storage equipment, and more particularly to the field of optical disc taking and placing, and discloses an optical disc taking and placing device and method, which comprises a supporting cylinder, a through hole is formed in the bottom of the supporting cylinder, a shaft rod is fixed in the through hole, a permanent magnet claw arm is rotatably connected to the outer side of the shaft rod, the permanent magnet claw arm penetrates through the through hole and is connected with a hook block, a fixed ring is fixed to the bottom of the iron core, a hydraulic mechanism is fixed in the bottom of the supporting cylinder, the hydraulic mechanism penetrates through the fixed ring and is connected with the permanent magnet claw arm, a pressing and fixing mechanism is fixed to the bottom of the supporting cylinder, and the pressing and fixing mechanism is connected with the hydraulic mechanism through a first connecting pipeline. The optical disc taking and placing device controls the action of the three permanent magnet claw arms through the magnetic pole interaction of the permanent magnet and the electromagnet, has the advantages of no friction loss and high control precision compared with the traditional mechanical driving, and solves the reliability problem caused by mechanical wear in the prior art.

The utility model discloses a semiconductor packaging die demolding structure relates to semiconductor production processing technical field. The utility model discloses a plurality of ejection units of cooperation installation on the movable mould, and the output of ejection unit is after its end portion is supported on the fixed mould after stretching out, and ejection unit includes the inner sleeve and outer sleeve of mutual sealing cooperation, and the outer sleeve is fixedly installed to movable mould, and the end portion of inner sleeve is connected with the ejector block that is supported on the fixed mould after stretching out, and the spring is connected between inner sleeve and outer sleeve, the outer sleeve is fixed on a base plate, and the inlet and outlet hole is set up on the base plate, and the inlet and outlet hole are communicated air pump through pipeline. The utility model discloses the output of ejection unit is supported on the fixed mould, and the controllable demolding force is provided to cooperation pneumatic system, and improve demolding stability and product yield, and pneumatic auxiliary reduces mechanical wear and tear, prolongs the life of mould, and compact structure is convenient for integrated to the existing mould system.

The utility model discloses a swing electric toy which comprises a toy body, a swing driving assembly is arranged in the toy body, the swing driving assembly comprises a swing part rotationally connected to the interior of the toy body and a driving coil for driving the swing part, and the driving coil generates an alternating magnetic field after being electrified. The alternating magnetic field is used for driving the swing part to swing back and forth around the rotating axis; the swing piece is in transmission fit with a swing arm on the toy body, so that the swing arm swings along with swinging of the swing piece. Gear set transmission in the prior art is replaced, the problem of gear mechanical abrasion is fundamentally solved, the problems of slipping, idling or displacement caused by collision and aging of a gear set are solved, a complex gear set structure is omitted, a driving assembly is simplified, the production and maintenance cost is reduced, mechanical abrasion is reduced, and the service life of the toy is prolonged. The response speed of electromagnetic driving is higher, action connection is smooth, the mechanical hysteresis feeling of traditional gear transmission is avoided, the motion trail of the swing arm is closer to real animal actions, and the entertainment experience is improved.

The application provides a kind of intelligent coal cleaning method of dumper, comprising: using human body detection and tracking algorithm based on deep learning, real-time monitoring personnel position and behavior in the working area, if personnel enter dangerous area or unsafe behavior is detected, alarm mechanism is triggered, cantilever stops moving or shifts to safe position;Collect and analyze equipment operating parameters, vibration signal data, build support vector machine-based equipment health status evaluation model, realize early warning and diagnosis of equipment failure, if equipment anomaly is found, generate repair recommendations and solutions;Optimize cantilever motion planning and control strategy, reduce energy consumption and mechanical wear, real-time monitoring equipment state, and dynamically adjust cleaning parameters according to health evaluation results, ensure safe and efficient operation of equipment.

According to the water cooling assembly and the servo lead screw transmission system, a servo motor and an efficient water cooling assembly are integrated, the outer wall of the motor is tightly sleeved with a water cooling end cover, and a closed-loop cooling system is formed by a liquid guide channel in the water cooling end cover, a liquid extraction pump and a liquid storage tank. During working, cooling liquid flows through the water-cooling end cover to directly absorb heat of the motor, so that temperature rise is effectively controlled. Direct water cooling effectively reduces the temperature of the motor, reduces thermal deformation, and ensures the machining precision and stability of a machine tool; the stable temperature environment avoids precision reduction, and the part machining quality is improved; the service life of the motor is prolonged, and fault and downtime is reduced; the compact design is easy to install and maintain, production efficiency is improved, and energy consumption and mechanical abrasion are reduced.

The utility model discloses a kind of good anti-shock effect of heating and ventilation engineering fan mounting mechanism, belong to heating and ventilation engineering fan installation technical field.The utility model has the advantages of significantly improving anti-shock performance, prolonging equipment service life, rubber buffer column can actively absorb and buffer energy when heating and ventilation engineering fan body is impacted or vibrated externally, reduce vibration transmission to heating and ventilation engineering fan body, improve the anti-shock ability of overall system, four groups of buffer components are evenly distributed, ensure that heating and ventilation engineering fan body is balanced in each direction Stress, further reduce the instability caused by other external vibration, effectively reduce the vibration frequency and amplitude of heating and ventilation engineering fan body inside and connecting component, reduce mechanical wear and fatigue, thereby prolong the service life of heating and ventilation engineering fan body, buffering and damping effect reduces the loosening and damage of component caused by vibration in running process, improve the reliability of equipment.