25results about How to "Avoid abnormal wear" patented technology

The invention aims at solving the technical problems that in the prior art, clutch position-torque matching precision is low, starting shaking, gear shifting pause and other smoothness problems are likely to be caused, and abnormal abrasion of a clutch and engine flameout are caused, and provides an AMT clutch semi-combination point dynamic learning method. Vehicle running parameters in the vehicle running process are collected in real time, and meanwhile an initial clutch position-torque curve is generated through fitting calculation; judging whether the vehicle operation parameters meet the enabling condition of dynamic learning of the half-joint point of the clutch or not; if the vehicle operation parameters do not meet the enabling condition, semi-joint point dynamic learning is not carried out; if the vehicle operation parameters meet the enabling conditions, semi-joint point dynamic learning is started; and in the semi-combination point dynamic learning process, calculating a semi-combination point value and updating the initial clutch position-torque curve in real time to realize dynamic learning of the clutch semi-combination point.

This invention provides a high-strength, pressure-resistant tapered roller bearing for tunnel boring machines (TBMs), relating to the field of core TBM components. It includes an inner bearing ring, an outer bearing ring, a bearing cage, rolling elements, a speed sensor, a lubrication discharge pipe, a waste liquid separator, and a switching mechanism. The outer bearing ring is located outside the inner bearing ring. The bearing cage is located outside the inner bearing ring. The rolling elements are located inside the bearing cage. The speed sensor is fixedly connected to the upper front end of the outer bearing ring. The lubrication injection pipe is fixedly connected above the outer bearing ring. The lubrication discharge pipe is fixedly connected below the outer bearing ring. The waste liquid separator is fixedly connected below the outer bearing ring and communicates with the lubrication discharge pipe. The switching mechanism is located outside the outer bearing ring, enabling intelligent switching between two lubrication media and solving the problem of limited applicability of tapered roller bearing lubrication systems in TBMs.

The utility model discloses a kind of improve the wear resistance of pli beads and continuously variable transmission, including body, wear-resistant contact part is provided on the body, and the wear surface structure of wear-resistant contact part is plane form.The utility model has the beneficial effects of slowing down the wear rate of wear-resistant contact part, reducing the maintenance cycle and cost of transmission, improving wear resistance and transmission reliability, simple structure, low manufacturing cost and not easy to damage etc.

The utility model discloses a transmission assembly, a power transmission device and a vehicle, the transmission assembly comprises a power shaft, a driven gear, a transmission part and a buffer part, a driving gear is arranged on the power shaft, the driving gear is suitable for being meshed with a power output device, a matching section is formed on the power shaft, and the driven gear is arranged on the matching section in a sleeving mode; the driven gear can rotate relative to the matching section, a first circumferential matching part is arranged on the driven gear, the transmission part is arranged on the matching section and rotates synchronously with the power shaft, a second circumferential matching part is arranged on the transmission part, and the second circumferential matching part and the first circumferential matching part are arranged correspondingly. When the driven gear moves in the circumferential direction relative to the matching section, the first circumferential matching part and the second circumferential matching part get close to each other or get away from each other, the buffering piece is connected between the first circumferential matching part and the second circumferential matching part, and the buffering capacity of the transmission assembly can be improved.

This utility model relates to the field of compressor technology, and in particular to an oil return structure for an aluminum swashplate type large displacement compressor, comprising: a compression working assembly including a rotating shaft with an oil outlet channel along its length, and multiple oil outlet holes on its outer wall communicating with the oil outlet channel; a cylinder body with a working chamber in the middle, fitted onto the compression working assembly, with the rotating shaft passing through the cylinder body; an oil storage pool on one side of the cylinder body; and end caps, one on each of the two end faces of the cylinder body; wherein the cylinder body is divided into a first oil return section and a second oil return section; the first oil return section has a first oil return hole channel communicating from the joint surface between the first oil return section and the end cap to the working chamber; the second oil return section has a second oil return hole channel communicating from the joint surface between the second oil return section and the end cap to the oil storage pool. This utility model effectively improves the oil circulation effect within the compressor, enhances the lubrication effect, and improves the oil return function.

This utility model discloses a multi-functional stacking bag packaging machine mechanism, relating to the field of packaging machine technology. It includes a packaging machine body, a conveying device, and a controller, with the front of the packaging machine body fixedly connected to the back of the conveying device. This multi-functional stacking bag packaging machine mechanism, through the electrical connection between temperature and humidity sensors, dust sensors, vibration sensors, and the controller in the environmental detection and early warning components, enables the controller to receive environmental temperature and humidity, dust concentration, and equipment vibration data monitored by each sensor. This allows for real-time detection and early warning of environmental anomalies and equipment malfunctions. Thus, this device achieves the effect of accurately monitoring the packaging machine's operating environment and mechanical status through a multi-dimensional sensor monitoring and intelligent early warning system, promptly detecting anomalies and reminding operators to take measures to avoid abnormal wear and unplanned downtime caused by unsuitable environment or mechanical failure.

This utility model relates to the field of relay technology, and provides an anti-arc safety relay for charging piles, including a relay housing and a coil installed at the center of the bottom of the housing; an iron core, which is slidably inserted into a through hole running vertically through the center of the coil; a transmission column, which is installed at the top of the iron core; a moving contact assembly, which is installed at the top of the transmission column; and two arc-extinguishing components, which are symmetrically installed on the left and right side walls near the top of the relay housing. This anti-arc safety relay for charging piles, through the scientific layout of multi-layer arc-extinguishing grids, a fast-rebound disconnection mechanism, and a buffer reset design, can effectively suppress and quickly eliminate the arc generated between the moving and stationary contacts, significantly improving the safety performance and service life of the relay.

The utility model discloses a tire with an ice wet-skid resistant steel sheet, which relates to the technical field of all-steel radial tires, and comprises a pattern block I and a pattern block II, a gear-shaped pattern groove is arranged between the pattern block I and the pattern block II, the side wall of the gear-shaped pattern groove is fixedly connected with a tooth-shaped convex pattern steel sheet, and the tooth-shaped convex pattern steel sheet is fixedly connected with the tooth-shaped convex pattern steel sheet. A water storage bag is arranged at the bottom end of the gear-shaped pattern groove; the water film can be effectively cut through the tooth-shaped protruding pattern steel sheets, the friction force between the tire and the ground is increased, meanwhile, accumulated water can be stored in time through the arrangement of the water storage bag, the influence of the water film on the road holding force of the tire is reduced, the wet-skid resistance of the tire on snowfields and wet and slippery road surfaces is remarkably improved, and the running safety of a vehicle is guaranteed; the pattern blocks are meshed with each other due to the tooth-shaped design of the steel sheets, and the pattern blocks can be cooperatively deformed when the tire is stressed, so that the rigidity of the pattern blocks is enhanced, abnormal wear caused by insufficient rigidity is avoided, the service life of the tire is prolonged, and the replacement cost of a user is reduced.

The invention belongs to the technical field of strip steel continuous production, and relates to a transition plate welding method and system for heavy gauge galvanized plate welding of a recoiling unit, the system obtains specification parameters of a forward galvanized plate and a backward galvanized plate through a data obtaining module, calls a transition plate parameter library, and selects a non-plating low-carbon steel transition plate body; the process parameter optimization module calculates and outputs the optimal size parameter of the transition plate based on the median transition principle; the first welding control module is used for controlling positioning, clamping, shearing, centering and welding operation in the first welding process; the middle positioning control module is used for controlling the positioning and preparation work of the rear end of the transition plate and the head of the subsequent galvanized plate; the second welding control module is used for controlling clamping, shearing, centering and welding operation in the second welding process; and the post-welding treatment module is used for equipment resetting, loop control and establishment and adjustment of whole-line tension after welding is completed. The welding seam quality can be effectively improved, and the safety risk is reduced.

The application provides an automatic telescopic dynamic self-balancing intelligent control system and method, and belongs to the technical field of intelligent control. In view of the problems of poor coordination, response lag and weak working condition adaptation ability of the existing automatic telescopic operation equipment, the system comprises a sensing module, a control module, an execution module, a communication module and an alarm module. The control module adopts a multi-loop program controller, constructs a multivariable collaborative control loop and is internally provided with an adaptive adjustment algorithm. The corresponding method realizes the synchronous control of equipment telescoping and balancing through parameter initialization, real-time parameter acquisition, collaborative instruction generation, dynamic adaptive adjustment, abnormal monitoring and reset process. The application improves the equipment control precision, response speed and running stability, and adapts to the application requirements of various telescopic operation equipment.

A high-temperature testing device for clutch bearings includes a worktable with a drive mechanism, a radial loading mechanism, an axial loading mechanism, and a bearing under test. It also includes a transmission shaft and a loading shaft respectively positioned on opposite axial sides of the bearing under test. The transmission shaft is the output end of the drive mechanism and is engaged with the outer ring of the bearing under test. The loading shaft is fixed to the inner diameter surface of the inner ring of the bearing under test. The loads applied by the radial and axial loading mechanisms act on the loading shaft. The load applied by the axial loading mechanism on the loading shaft causes the inner ring of the bearing under test to tend to separate from the outer ring. The beneficial effect of this invention is that by engaging the transmission shaft with the outer ring and fixing the loading shaft to the inner ring, it simulates a working condition where the outer ring rotates actively while the inner ring remains stationary. This is completely consistent with the actual state of a clutch release bearing in use, where the outer ring rotates with engine-side components while the inner ring is fixed to the release sleeve.

The utility model relates to a tandem type double-rotor unmanned aerial vehicle transmission system, which is characterized in that reversing speed reduction units of a front rotor and a rear rotor are connected through a plurality of sections of synchronous long shafts, and the tandem type double-rotor unmanned aerial vehicle transmission system comprises a three-stage speed reduction structure, namely a first-stage synchronous belt speed reduction structure, a second-stage bevel gear speed reduction structure and a third-stage planetary gear train speed reduction structure, the second-stage bevel gear speed reduction realizes power transmission through a bevel gear, and the third-stage planetary gear train speed reduction transmits power to a rotor shaft through meshing of a planetary gear, a sun gear and a gear ring; the system solves the problems that a traditional tandem rotorcraft transmission system is single in structure, slow in clutch response, difficult in engine starting, insufficient in power, poor in emergency risk avoiding capacity and difficult to maintain, and the performance and reliability of the unmanned aerial vehicle are improved.

This application relates to the field of gear hobbing technology, and provides a gear hobbing machine secondary hobbing fixture, which includes a sleeve for fitting onto a center base. The center base has a center hole, and the sleeve has a through hole for the workpiece to pass through. When fitted onto the center base, the workpiece can pass through the through hole and extend into the center hole. The sleeve also has an insertion hole located on the periphery of the through hole. A positioning member has a rod for inserting into the insertion hole and a positioning plate connected to the rod. The positioning plate has a positioning hole, and the inner peripheral wall of the positioning hole is provided with at least two positioning teeth. When the rod is inserted into the insertion hole, the positioning teeth engage with the tooth groove of the workpiece. By using the positioning teeth of the positioning member that are adapted to the tooth groove of the workpiece from the primary hobbing, the circumferential position of the workpiece can be locked, ensuring that the hob cutting position during the secondary hobbing is aligned with the tooth groove of the primary hobbing, thus avoiding the problem of misaligned teeth.

The engine device according to the present application includes a cylinder head and a fuel filter installed at a corner portion of the cylinder head.

This invention relates to the field of intelligent distribution cabinet technology, specifically to an intelligent power grid distribution cabinet and its protection method with real-time monitoring and interlocking protection. The cabinet includes: a distribution cabinet body containing a circuit breaker and a disconnecting switch; an intelligent execution module installed on the circuit breaker; the disconnecting switch comprising: multiple sets of insulation groups, each set including two sets of insulating posts; a conductive arm group rotatably connected to one of the insulating posts; an elastic conductive component including two sets of elastic abutment structures and a clearance structure disposed between the two sets of elastic abutment structures; when the conductive arm group extends or retracts along its length, it can push the clearance structure aside and fit against the elastic abutment structure; and an energy storage structure with a trigger plate on a follower plate. The trigger plate cooperates with the energy storage structure to enable the energy storage structure to have a first state and a second state that are switched by being pulled, thereby driving the conductive arm group to move rapidly and shortening the time of arc generation and duration.

A plunger return device and a plunger pump are disclosed. The plunger return device includes an eccentric shaft, a rotating assembly, a first plunger, a second plunger, and a connecting member. The rotating assembly includes a rotating member, a moving member, and a rolling member. The rolling member is located between the rotating member and the moving member. The rotating member is connected to the eccentric shaft. The moving member includes an outer peripheral surface. The outer peripheral surface of the moving member includes a first outer peripheral portion and a second outer peripheral portion. The first plunger is fitted to the first outer peripheral portion. The second plunger is fitted to the second outer peripheral portion. The connecting member connects the first plunger and the second plunger. The distance between the first outer peripheral portion and a center axis of the eccentric shaft in a radial direction is different from the distance between the second outer peripheral portion and the center axis of the eccentric shaft in the radial direction. In this way, the wear of the first plunger and the second plunger is reduced.

This invention relates to the field of polymer material molding equipment and automated intelligent control technology, specifically a method and system for real-time monitoring of turntable position deviation in a multi-color injection molding machine. The method includes: acquiring turntable motion data, mold thermal data, and stress data of the mold closing mechanism; calculating the linear initial misalignment of the mold cavity edge using the motion data based on a preset error space amplification model; obtaining the true relative position before mold closing based on a preset asymmetric thermal deformation compensation model; outputting a predicted mold cavity clearance based on a preset mold closing stress and mold cavity clearance prediction model; and dynamically adjusting the operating state of the multi-color injection molding machine based on a comparison between the predicted mold cavity clearance and a preset melt overflow threshold. This invention improves the computational robustness under dynamic braking conditions.

This utility model discloses an adjustment mechanism for aluminum profile extrusion molding, relating to the technical field of aluminum profile extrusion adjustment equipment. It includes an extrusion assembly, comprising an extruder, a connecting drive component on one side of the extruder, a drive component fixed to the surface of the extruder, the connecting drive component sleeved on the surface of the drive component, and a mounting vertical plate fixed to the surface of the extruder; and an adjustment assembly, disposed on one side of the extrusion assembly, including a clamping component fixed to one side of the extruder. The beneficial effects of this utility model are that, through the coordinated operation of the limit compensation mechanism and the processing compensation system, it significantly improves processing stability and molding accuracy, effectively solves the problems of vibration offset and deformation runaway, ensures the dimensional consistency of the aluminum profile, avoids abnormal wear caused by equipment vibration, and simultaneously achieves intelligent control with dynamic monitoring and automatic compensation, greatly improving production efficiency and material utilization.

The application discloses a chain tension adjusting method based on pressure feedback and a related device, which is applied to a chain tension control system, and the system comprises a pressure sensor array and a temperature sensor. The method comprises the following steps: collecting the contact pressure signals between the chain and the guide plate in real time through the pressure sensor array embedded in the root of the guide plate, and obtaining the working environment temperature signals of the chain through the temperature sensor; generating the corrected real-time tension value based on the contact pressure signals and the temperature signals; comparing the real-time tension value with the preset tension threshold value, and calculating the tension deviation value; generating the dynamic adjusting instruction according to the tension deviation value; and controlling the electric linear actuator to drive the worm and gear mechanism to push the displacement of the tensioning wheel by the preset fine adjustment amount based on the dynamic adjusting instruction, so as to adjust the chain tension to meet the preset tension threshold value. The method can dynamically respond to the tension deviation, takes into account the adjusting efficiency and the mechanical stability, and avoids the abnormal wear or the risk of breakage caused by the chain being too tight or too loose.

The utility model discloses a transmission device of a crawler chassis hammer crusher, which relates to the technical field of road construction and maintenance, and is characterized in that a crushing transmission assembly is arranged between an engine and a crushing box, and the crushing transmission assembly comprises a plate belt coupler, a U-shaped mounting seat, a driving belt wheel, a driven belt wheel and a transmission belt. According to the device, vibration generated by starting, stopping and crushing impact of an engine is absorbed through the elastic plate belt, rigid impact of a transmission system is reduced, and the service life of the engine, the service life of a bearing and the service life of a belt are prolonged; large stress generated by vibration, impact and the like can be effectively buffered and absorbed; a closed-loop control system of the hydraulic oil cylinder and the pressure sensor monitors the tension of the belt in real time, automatically adjusts the expansion amount of the oil cylinder and automatically compensates tension attenuation caused by belt abrasion or temperature change, so that the belt is always kept at a proper tension degree, and the transmission efficiency is ensured to be stable.

This invention relates to the field of plastic processing machinery, specifically disclosing an intelligent correction and cutting system and method for PE foam boards. The system includes modules for online acoustic scanning, multimodal data fusion and defect characterization, dynamic path planning and correction, adaptive execution control, and system collaborative management. It detects defects in real time through online ultrasonic scanning, identifies and locates them using a deep learning model, and dynamically plans obstacle avoidance or process adjustment paths based on defect types, while simultaneously controlling the cutting execution mechanism. This achieves adaptive correction during the cutting process, improving cutting quality, tool life, and production efficiency. This invention, by integrating online acoustic scanning and deep learning recognition technologies, achieves for the first time real-time, accurate detection and classification of invisible defects inside PE foam boards during the cutting process.

The invention discloses a clutch control method and device. The method comprises the steps that whole vehicle operation data are obtained, wherein the whole vehicle operation data comprise the engine rotating speed, the gearbox gear, the gearbox output shaft rotating speed, the clutch working cylinder pressure and the clutch pedal opening degree; calculating the pressing force of a clutch friction plate according to the pressure of a clutch working cylinder; according to the gearbox gear and the gearbox output shaft rotating speed, the clutch output side rotating speed is calculated; calculating the relative slip angular velocity of the clutch friction surface according to the engine speed and the clutch output side speed; according to the relative slipping and grinding angular velocity of the friction surface of the clutch, the pressing force of the clutch and a preset dynamic friction coefficient, the slipping and grinding work is calculated; and according to the sliding friction work, the engine rotating speed, the clutch output side rotating speed and the clutch pedal opening degree, the clutch is controlled to be combined and disconnected. According to the technical scheme provided by the embodiment of the invention, abnormal wear caused by excessive half clutch of the clutch is effectively avoided, and the service life of the friction plate of the clutch is prolonged.

The utility model discloses a kind of parallel axis speed reducer of adjustable spacing, it is related to speed reduction equipment technical field, including shell, the shell side is equipped with adjusting assembly, and shell inside lower end is equipped with oil injection assembly, the adjusting assembly includes the sealing rubber ring of being installed in the inner wall one side of shell, the sealing rubber ring inner wall is rotatably connected with movable disc.The utility model can effectively avoid gear partial load and abnormal wear caused by axis non-parallel by realizing the distance adjustment between horizontal shaft and driving shaft, also can flexibly match different specifications motor or load shaft connection position, to further improve transmission efficiency, reduce vibration noise, through arc spray pipe and oil injection pipe gear set meshing place lubrication cooling, effectively avoid the oil liquid inside shell under long time use can cause liquid level reduction, to further lead to gear set meshing place unable to carry out lubrication cooling treatment, make the wear condition between gear set, further enhance the service life of the device.

This utility model relates to the field of shock absorber cover technology and discloses an automotive shock absorber cover structure, including a shock absorber assembly and a shock absorber cover. The shock absorber assembly is assembled inside the shock absorber cover, and a cover base plate is assembled at the bottom of the shock absorber cover. A protective cavity is formed inside the shock absorber cover, and the shock absorber assembly is assembled inside the protective cavity. Four guide components are assembled on the inner wall of the protective cavity. Each guide component includes two oppositely arranged fixing plates, and an installation groove is formed on the inner wall of the protective cavity at the guide components. This device can adaptively adjust the guide angle according to the movement trajectory of the shock absorber under different working conditions, further improving the guide accuracy, ensuring that the shock absorber assembly is always in a stable working state, and significantly extending its service life.