54results about How to "Avoid abnormal wear" patented technology

The invention discloses a method and a system for dynamically adjusting the load of a ball screw pair under a synchronous position ring, which are used for avoiding the situation that the direction of current needs to be frequently changed when a current ring is loaded by setting a corner difference loading mode under the same position ring, and a lead screw on the current ring is in a reverse transmission contact state and is not consistent with the common working condition of the lead screw; and the friction wear is accelerated, so that the lead screw on the current ring is easy to generate performance degradation and fatigue ring damage earlier than the lead screw on the position ring. On the basis, a static lower corner difference and load equation is accurately established through static corner difference calibration experiment and verification. Load closed-loop control is introduced in the movement process, and the problem that the load fluctuates greatly in the dynamic movement of the lead screw after static load calibration is effectively solved. And the dynamic load changing capability in the movement process of the screw rod is realized.

The invention discloses a lead frame stacking support frame structure, relates to the technical field of lead frame stacking, and solves the technical problems that an existing lead frame is easy to slide relative to a support frame, the lead frame made of a soft material is abraded and deformed, and the performance of the lead frame is reduced due to the fact that the lead frame may deviate when being stacked. Comprising a supporting frame, a pair of side plates arranged in the supporting frame and a plurality of mounting lapping rods arranged on the inner walls of the mounting side plates. The stacking plates are respectively arranged on every two mounting lapping rods with the same height, and a plurality of anti-falling clamping frames are arranged on the surface of each stacking plate; the sliding seat is arranged on the side face of the supporting frame, an electric push rod is arranged on the sliding seat, a horizontal pulling plate is connected to the end of the electric push rod, and a first adsorption magnetic block is arranged in the middle of the horizontal pulling plate; according to the invention, a plurality of lead frames can be conveniently and separately stacked, so that the lead frames can be conveniently searched and used in the later period, and extrusion on the stacked lead frames can be reduced.

The invention discloses a numerical control horizontal boring and milling machine and a using method thereof, and relates to the technical field of boring and milling machines. Comprising a lathe bed, a pair of fixed transverse shafts are arranged on the lathe bed, hollow worms are arranged on the fixed transverse shafts in a sleeving mode, and first sliding rails are arranged above the hollow worms; a fixing block is arranged between the pair of first sliding rails, a pair of first sliding plates are fixedly arranged on the fixing block, a pair of second sliding rails are fixedly arranged on the two sides of the pair of first sliding plates, a rectangular sliding frame is clamped between the pair of second sliding rails, and a translation plate is arranged above the rectangular sliding frame; an annular clamping rail is fixedly arranged on the translation plate, a fixed rotating ring is clamped in the annular clamping rail, a fixed plate is fixedly arranged on the fixed rotating ring, and a machined part is placed on the fixed plate. The translation path of the machined part can be reasonably arranged according to the machining process requirements, so that the cutter can move in a more efficient path in the machining process, the stroke time of the cutter can be shortened, the proportion of the cutting time in the whole machining period is increased, and therefore the overall machining efficiency is improved.

The invention belongs to the technical field of intelligent clothing manufacturing and testing equipment, and particularly relates to a button tension testing mechanism for intelligent clothing manufacturing, which comprises a base, a testing part and a button grasping part, a rear end plate is fixedly arranged at the top of the base, the testing part is fixedly arranged on the front surface of the rear end plate, and the button grasping part is fixedly arranged at the bottom of the testing part. A cloth limiting part is fixedly arranged at the top of the base and located in the front of the rear end plate, the testing part comprises an outer frame fixedly installed on the upper portion of the front face of the rear end plate, an axial pull rod is arranged at the bottom of the outer frame and extends into the outer frame in a sliding mode, and a force recording device is fixedly arranged at the bottom of the axial pull rod. According to the garment button testing device, after the garment buttons are clamped and fixed through the button grabbing part, the tensile and torsion resistance tests are conducted on the buttons through the testing part, the technical problem that in the prior art, the garment button testing is single is solved, the garment button testing range is widened, the garment durability is improved, and the garment quality is guaranteed.

The utility model relates to a numerical control rotary table surface sealing structure, which belongs to the technical field of numerical control rotary tables and comprises a rotary table body and a rotary table surface arranged on the rotary table body, at least one U-shaped ring groove is arranged on the side wall of the rotary table body, the U-shaped ring groove and the rotary table surface form a labyrinth sealing structure, and a drainage ring groove is arranged on the upper end face of the rotary table body. A drainage ring groove is formed in the rotary table body, a first drainage channel is formed in the drainage ring groove, a second drainage channel communicated with the lower end of the first drainage channel is formed in the rotary table body, and the other end of the second drainage channel extends to the side wall of the rotary table body and is connected with an air pipe connector. Meanwhile, the drainage ring groove is additionally formed in the end face, liquid such as cooling liquid or cutting liquid generated in the working process can be rapidly drained out, the situation that internal parts such as a bearing and an end-toothed disc are rusted and precision is reduced due to liquid accumulation is prevented, and the defect that labyrinth sealing cannot completely prevent water vapor leakage is overcome.

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 present invention belongs to the technical field of nuclear power plant equipment maintenance, and specifically relates to an exhaust device of a nuclear island drain and exhaust system of a nuclear power plant, which is achieved by connecting a set of exhaust devices in parallel on the exhaust pipeline at the top of the nuclear island pressurizer equipment, and by adding two tees and isolation valves, vacuum pumps (vacuum ejectors) and other devices on the original pipeline. The vacuum ejector is powered by compressed air, and the exhaust gas mixed with the gas of a circuit returns to the nuclear island drain and exhaust system. The device of the present invention for the flushing stage of a circuit after the overhaul of a nuclear power plant is equipped with a set of exhaust devices of the nuclear island drain and exhaust system, and a vacuum ejector is added to the exhaust pipeline, and the gas of the circuit is discharged through the vacuum ejector, and the circuit is filled with water. The vacuum ejector is powered by maintenance compressed air, and the exhaust gas mixed with the gas of the circuit returns to the nuclear island drain and exhaust system. When the pressurizer liquid level reaches full water, the pressurizer exhaust valve and the isolation valve of the vacuum ejector are closed.

The utility model provides the connecting structure for the single-arm motor and the rim of the electric two-wheeled vehicle, the connecting structure is higher in strength, the problems of deformation of the motor end cover, deformation of the rim, swinging of the rear wheel and the like are avoided, the abrasion of the motor bearing is reduced, and the service life of the motor bearing is prolonged. The single-arm motor comprises a left end cover and a right end cover which define a closed shell, the single-arm shaft penetrates through a bearing hole in the left end cover and extends into a bearing hole in the right end cover, the left end cover and the right end cover are rotationally supported on the single-arm shaft through bearings located in the bearing holes respectively, a stator and a winding are arranged on the single-arm shaft, a rotor is arranged on the left end cover, and a rotor is arranged on the right end cover. The stator, the winding and the rotor are all located in the shell, a plurality of protruding columns or cones evenly distributed on the same circumference are arranged on the left inner side face of the right end cover, the columns or the cones are connected through annular reinforcing rib plates protruding out of the left inner side face of the right end cover, and threaded blind holes are formed in the columns or the cones. The right outer side of the right end cover is connected with the rim through bolts matched with the threaded holes.

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.

The utility model discloses an oil lubrication structure of a drive axle and the drive axle. The oil lubrication structure of the drive axle comprises an axle housing, a main speed reducer and an oil pump, the main speed reducer comprises a shell, a driving gear shaft, a driven gear shaft, a first gear and a second gear. The higher end of the driving gear shaft is pivoted to the shell through a first bearing. The shell is provided with an oil inlet channel and an oil outlet channel, the power input end of the oil pump is connected with the driven gear shaft, one end of the oil inlet channel extends to the portion, located on the outer periphery of the driven gear shaft, in the speed reducer cavity, and the other end of the oil inlet channel communicates with an oil inlet of the oil pump. One end of the oil outlet channel communicates with an oil outlet of the oil pump, and the other end of the oil outlet channel extends to the part, located above the first bearing, in the speed reducer cavity. According to the utility model, the first bearing for connecting the driving gear shaft and the shell can be fully lubricated, and the situation that the first bearing between the higher part of the driving gear shaft and the shell is abnormally abraded and sintered is avoided.

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 utility model relates to the technical field of engineering vehicles, in particular to a rollover type cab guiding and limiting assembly, a cab and a functional device are arranged on a vehicle frame at intervals in the length direction of the vehicle frame, the rollover type cab guiding and limiting assembly comprises a supporting frame and a guiding assembly, and the supporting frame is used for being fixedly arranged on the functional device. A through sliding groove is formed in the supporting frame. The guiding assembly comprises a guiding rod set and a limiting assembly, the guiding rod set is used for being fixedly arranged on the side, opposite to the functional device, of the cab and penetrating through the through sliding groove, the cab turns over laterally so that the guiding rod set can slide in the through sliding groove, and the limiting assembly enables the guiding rod set to be relatively fixed to the supporting frame in the length direction of the frame. According to the arrangement, the cab can be prevented from deviating in the length direction of the frame due to misalignment of the center of gravity and rigidity of the cab, abnormal abrasion of the pivoting suspension can be avoided, and the service life is prolonged. In addition, it can be guaranteed that mounting holes of the fixed suspensions are aligned with corresponding holes in the cab, and the mounting efficiency is improved.

The present invention discloses a processing method and equipment for a special-shaped aspheric lens, and relates to the technical field of lens processing. The method comprises the following steps: S1, selecting a suitable glass lens, and preliminarily processing the glass lens, so that the shape of the blank meets the requirements; S2, using a grinder to roughly grind the blank, so that the surface roughness and spherical radius of the blank meet the requirements of fine grinding; S3, fixing the rough-ground blank on a fine grinding and polishing device by adhesive, and fine-grinding and polishing the blank by the fine grinding and polishing device; S4, centering and edge grinding the polished blank, eliminating the eccentricity of the blank, and making the radial dimension of the side cylindrical surface of the blank meet the assembly requirements. The present invention can not only improve the processing efficiency of the glass lens when processing the glass lens by setting a switching component and a fixing component, but also make the surface processing of the glass lens more uniform, so that the use effect of the special-shaped aspheric lens is better.

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.

According to the carbon brush cover brush box, a part of space is reserved at a part, close to a commutator, of a carbon brush cover brush box assembly, so that abnormal wear caused by deformation of the interior of the brush box and a carbon brush is avoided, a heat dissipation space is larger, heat dissipation is facilitated, and the carbon brush cover brush box is not easily stuffed.

The utility model relates to the field of spiral conveyors, in particular to a spiral conveying feeding device which comprises a spiral conveyor, the spiral conveyor is arranged in a conveying pipe, a feeding box is fixedly arranged at one end of the conveying pipe, a feeding hopper is arranged at the top of the feeding box and communicated with the conveying pipe, and a discharging pipe is fixedly connected to the bottom of the other end of the conveying pipe. A sealing box is fixedly arranged at the bottom of the discharging pipe, an opening is formed in one side of the sealing box, a grid plate is slidably arranged at the opening, and a plunger pump buffering bin is rotatably arranged at the bottom of the sealing box; according to the device, horizontal or inclined sludge transportation is facilitated through the spiral conveyor, the feeding efficiency is improved, meanwhile, the sealing performance of the device is improved through the sealing box, sludge spilling is avoided, large blocky sludge and impurities can be conveniently treated and screened through the grid shed plate, and the device has the advantages of being simple in structure, convenient to operate and high in practicability. The conveying pipe is prevented from being blocked, and abnormal abrasion of the piston head caused by empty hitting of the plunger pump is effectively prevented.

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 speed reducer with the oil temperature, oil level and vibration monitoring function comprises a lower machine shell of a planetary gear speed reducer, a plurality of installation lug plates are formed on the outer wall of the upper portion of the lower machine shell, a monitoring lug base is formed on the outer wall of the lower portion of the lower machine shell, and a circulation hole communicated with an inner cavity of the lower machine shell is formed in the monitoring lug base. A monitoring pipe communicated with the circulation hole is fixedly inserted into the upper end face of the monitoring lug seat, a three-parameter combination sensor is connected to the top end of the monitoring pipe in a threaded mode, and a probe of the three-parameter combination sensor is inserted into the monitoring pipe to detect the liquid level, the temperature and the vibration in the monitoring pipe. According to the speed reducer, based on the principle of communicating vessels, the three-parameter combination sensor is additionally arranged on the outer side of the machine shell to monitor the oil temperature, the oil level and vibration in the operation process of the speed reducer, early warning can be conducted in time under the condition that normal operation of the speed reducer is not affected, and damage to the speed reducer is avoided.

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.

The present invention discloses a CNC horizontal boring and milling machine and a method for using the same, and relates to the technical field of boring and milling machines. The machine comprises a bed, a pair of fixed transverse axes are arranged on the bed, a hollow worm is sleeved on the fixed transverse axes, a first slide rail is arranged above the hollow worm; a fixed block is arranged between the pair of first slide rails, a pair of first slide plates are fixed on the fixed block, a pair of second slide rails are fixed on both sides of the pair of first slide plates, a rectangular slide frame is clamped between the pair of second slide rails, a translation plate is arranged above the rectangular slide frame; an annular rail is fixed on the translation plate, a fixed swivel is clamped in the annular rail, a fixed plate is fixed on the fixed swivel, and a workpiece is placed on the fixed plate. The present invention can reasonably arrange the translation path of the workpiece according to the processing technology requirements, so that the tool can move in a more efficient path during the processing process, reduce the travel time of the tool, and increase the proportion of cutting time in the entire processing cycle, thereby improving the overall processing efficiency.

The utility model discloses a pressing device of an edge grinding machine. The pressing device comprises a connecting frame connected with an edge grinding machine body, a double-acting air cylinder fixedly connected to the connecting frame and a pressing mechanism used for pressing glass. The double-acting air cylinder comprises a cylinder body fixedly connected with the connecting frame and a piston rod extending downwards. The end part of the piston rod is fixedly connected with a connecting disc; the pressing mechanism comprises an inverted-T-shaped wheel frame hinged to the connecting disc and a plurality of pressing wheels rotationally installed on the wheel frame. And a limiting pin for limiting the rotating angle of the wheel carrier is arranged on the connecting disc. The wheel carrier has the advantages that the wheel carrier can ensure that each pinch roller is effectively contacted with glass through the deflection of the wheel carrier, so that the contact uniformity of the pinch rollers and the glass is ensured.

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.