579results about How to "Reduce steps" patented technology

The invention provides a method and device for refreshing a web page. The method comprises a step of displaying a web page, a step of obtaining a refreshing instruction corresponding to the web page,wherein the refreshing indication is used for instructing to reload the web page, and a step of displaying a prompt pop-up window if the need of emitting reminding is determined according to the typeof the web page after obtaining the refreshing indication, wherein the prompt pop-up window includes reminding information used for reminding whether to confirm the reloading of the above web page. According to the technical scheme provided by the embodiment of the invention, the operation of erroneously executing the refreshing of the web page can be effectively avoided, and misoperations are reduced.

A positioning device used for accurately manufacturing a complex automobile accessory. The positioning device comprises a platform, a base is arranged on the platform, a fixing plate used for limiting Y-axis direction of one end of the accessory is arranged on the base, a retaining plate used for limiting Z-axis direction of one end of the accessory is arranged on the fixing plate, a lateral retaining plate used for limiting X-axis direction of the accessory is arranged on the base, and a limiting part used for limiting Z-axis direction of one end of one side, opposite to the retaining plate, on the accessory is arranged on the base. Through a separated positioning mode, positioning structure is simplified, operation steps are reduced, more convenience in replacement of the automobile accessory is realized, and the positioning device is suitable for large-scale welding operation. In addition, the whole positioning device is simple in structure, firm in positioning and high in accuracy.

The invention discloses a power distribution network reconstruction optimization method for improving distributed new energy bearing capacity, and relates to the technical field of intelligent power distribution network optimization. The method comprises the following steps: constructing an evolution state path diagram for describing a system operation state space-time evolution rule based on historical and real-time operation data of a target power distribution network; identifying a plurality of potential weak moments when the bearing capacity margin of the system is lower than a dynamic safety threshold value in a future prediction time domain based on the prediction operation data of time-space association; analyzing relevance and time sequence proximity of the running states corresponding to the plurality of potential weak moments in the evolution state path diagram, and clustering to generate one or more demand time periods with internal state consistency; and for each demand period, determining a unique optimal network topology and a corresponding switch operation instruction, and integrating the instructions of each period to generate a multi-period reconstruction scheduling scheme. According to the invention, unnecessary switching operation times are reduced while the new energy consumption capability is ensured, and the reconstruction optimization effect of the power distribution network is improved.

This application discloses a five-roll embossing machine, including a machine body, an embossing assembly, a paper feeding assembly, a main drive assembly, and a pressing roller. The embossing assembly includes five embossing rollers, a pair of main gears, and a pair of positioning assemblies. The pair of main gears are rotatably mounted on both sides of the machine body and driven to rotate by the auxiliary drive assembly. Each embossing roller is provided with a quick-release assembly at both ends. The quick-release assembly includes a bearing groove, a toothed cover, several pressure covers, and a fastening assembly. The fastening assembly achieves simultaneous locking of all pressure covers and toothed covers by a single bolt operation through a linkage. The main drive assembly drives the working position embossing roller and the pressing roller to rotate synchronously. The positioning assembly performs precise circumferential positioning of the main gears. This invention solves the problems of cumbersome roller changing, long time consumption, and low positioning accuracy of existing embossing machines, realizes quick roller changing by a single person and seamless switching of five patterns, and greatly improves production efficiency and equipment versatility.

The invention discloses a cursor display method and device, equipment, a medium and a program product, and belongs to the technical field of computers. The method comprises the following steps: displaying a first page, wherein the first page comprises an input box control; in response to the condition that the input box control receives a content input operation and the position of an input cursor corresponding to the content input operation is shielded by an input toolbar superposed on the first page, automatically scrolling the first page; and displaying a cursor located at the cursor position after the input on the screen position not shielded by the input toolbar, the input toolbar being used for providing at least one auxiliary input function. According to the method, the cursor in the input box control can be prevented from being shielded by the input toolbar after the content is input, and the operation that a user manually rolls the first page to move the cursor to a visual area is reduced.

The utility model discloses a kind of stamping device for hook commutator production, it is related to commutator stamping equipment technical field;And the utility model includes pedestal, the pedestal top end is rotationally connected with rotating plate in close center, the pedestal back end is fixedly connected with L-shaped plate, the L-shaped plate bottom end and close center are fixedly connected with support shaft, the support shaft bottom end is rotationally connected with annular sleeve, the sliding block is slidably connected between annular sleeve inner wall, the rotating plate top end and close one side center are fixedly connected with short shaft, and short shaft is rotationally connected with sliding block, the side end of annular sleeve away from support shaft is fixedly connected with placing plate;In the utility model, rotating plate, annular sleeve and other components are driven by motor to drive placing plate to rotate, so that hook commutator is moved to the below of punch press body to be stamped, after stamping is completed, motor is operated again to facilitate the removal of commutator, avoid manual operation directly below punch press, improve the safety when equipment is used.

The utility model belongs to the technical field of unmanned plane, especially relates to a positioning clamping mechanism for unmanned plane parking, including the base cabinet body and the load bearing platform hinged in the outside of base cabinet body and the unmanned plane body set up on the load bearing platform, unmanned plane docking seat is installed on the load bearing platform. Through the load bearing platform of turnover installs unmanned plane docking seat, and is provided with the docking adaptation hole on unmanned plane docking seat, lets the docking base of unmanned plane body bottom can embed inside the docking adaptation hole, lets the power -on electromagnetic suction seat power -on, lets the power -on electromagnetic suction seat forms adsorption to the positioning groove of docking base bottom, effectively prevents unmanned plane body accidental loosening in the transportation process, avoids the problem that unmanned plane body body damage occurs, and the base cabinet body whole can be installed on the outside of vehicle, makes after the unmanned plane docking seat of unfolding can provide effective take -off and landing site for unmanned plane body, and lets unmanned plane body can enhance the landing precision under the complex environment.

This application provides a method, apparatus, and electronic device for constructing an LDMOS hybrid device model, relating to the field of integrated circuit simulation technology. The method includes: constructing and calibrating a reference model adapted to an LDMOS device; connecting an adjustable resistor externally to the reference model to form a temporary simulation circuit, and simulating the temporary simulation circuit by adjusting the adjustable resistor to determine the sampling calibration resistor; constructing a sample dataset based on the sampling calibration resistor, and using the sample dataset to train a neural network model to predict the equivalent resistance of the drift region of the LDMOS device; encapsulating the trained neural network model into a sub-circuit using a simulated hardware description language, and connecting the sub-circuit in series to the drain branch of the reference model to form an LDMOS hybrid device model. By employing the above-mentioned method, apparatus, and electronic device for constructing an LDMOS hybrid device model, the workload of parameter adjustment is shortened, and the problem of long device modeling cycles is solved.

The utility model discloses a warehouse uses handling robot, specifically related to handling robot technical field, including the supporting plate, the bottom of supporting plate is provided with the transfer subassembly, the transfer subassembly includes the electric slide rail of setting in the supporting plate bottom, both ends of electric slide rail all are provided with the hydraulic pressure rod of adjustable position, and all the output of each hydraulic pressure rod all is provided with the pull plate. The utility model discloses through setting transfer subassembly, the design such as pull plate's of taking material chuck head, can adapt baggy package, the box body and so on various shape goods, through the clamping groove structure of relative setting and enhance clamping stability, the meshing structure of electric slide rail and motor, gear, rack, can realize accurate displacement adjustment of transfer subassembly, satisfy the goods handling demand of different goods shelf area, the telescopic function of hydraulic pressure rod can be flexible adjustment pull plate's position, adapt the outside clamping handling of large -scale box body, expand equipment use scene.

This utility model belongs to the field of shared power bank technology, specifically relating to a voice-interactive shared power bank. The shared power bank's outer shell incorporates interactive and fixing components, integrating intelligent interaction and convenient charging. The interactive components include a waterdrop screen, a voice interaction module, and a network module, enabling voice-guided rental and cabinet location via a cloud database. The waterdrop screen, combined with a recessed button, supports reading during power outages. A wireless charging coil and magnetic plate provide magnetic fast charging for easy operation. The fixing component adopts an L-shaped structure, using a combination of T-slots, silicone strips, and rotating blocks to securely hold the phone when the user moves. The outer shell has a speaker hole and charging port on the side, an input interface on the bottom, and anti-collision pads on opposite sides to cushion impacts, enhance stability, and ensure the device's safety and durability.

The utility model discloses a combustion control device for an RTO (Regenerative Thermal Oxidation) incinerator, which relates to the technical field of combustion control of incinerators and comprises a bracket, and a control valve II is fixedly mounted on the outer surface of a transmission pipe; an adjusting mechanism used for controlling the combustion size is arranged between the controller and the conveying pipe and comprises a fuel gas inlet fixedly formed in the outer surface of the controller. According to the combustion control device for the RTO incinerator, external air is conveyed through the air inlet, the air circulates in the conveying pipe, a first control valve is installed on the side, close to the air inlet, of the conveying pipe, the circulating air is controlled through the first control valve, and the air is conveyed into a combustion-supporting air pipeline through the conveying pipe; the sealing disc is installed at the connecting position of the pipeline, so that the sealing performance of the pipeline is improved, the gas leakage phenomenon is avoided, the situation that the gas circulation size cannot be adjusted when the first control valve is damaged is avoided through the second control valve, the guarantee for equipment is improved, and the safety of the pipeline is guaranteed.

The present application belongs to the technical field of internet of things device monitoring, and particularly relates to a kind of internet of things device survival state real-time monitoring method and system, comprising: monitoring each internet of things device to receive the heartbeat signal periodically sent by internet of things device;According to the heartbeat signal periodically sent by internet of things device and the device type of internet of things device, the survival state of internet of things device is determined;When the survival state of internet of things device is abnormal, reconnect internet of things device.The technical scheme provided by the present application not only realizes the use of less computing resources, monitors more device states, reduces the cost of purchasing servers;It can also automatically realize the monitoring and state reconnection of state, reduce personnel operation, greatly improve the maintenance efficiency, and reduce the maintenance cost.

This invention relates to the field of laser cutting technology and discloses a laser cutting device for aluminum profiles, including a base. A housing is mounted on the upper end of the base, and a laser cutting head is mounted inside the housing. One side of the laser cutting head is provided with a transfer mechanism for moving the cut H-shaped aluminum profile segments, and the other side of the laser cutting head is provided with a flipping mechanism for rotating the H-shaped aluminum profile segments. The advantages of this invention are: during the flipping and cutting process of the H-shaped aluminum profile segments, as the H-shaped aluminum profile segments rotate, it is convenient to spray an anti-reflection coating agent onto their outer surface, and the fixing and transfer of the H-shaped aluminum profile segments can be completed efficiently and stably. Simultaneously, burrs on the cut sections at both ends of the H-shaped aluminum profile segments are ground, thereby improving the processing quality of the laser cutting.

The application provides a wafer automatic cleaning device and a wafer cutting machine. The wafer automatic cleaning device is used for cleaning a wafer and comprises a cleaning nozzle, a sensor, a deionization pump and a connecting pipe. The cleaning nozzle is arranged directly below a moving path of the wafer, and a side of the cleaning nozzle opposite to the moving path of the wafer is provided with a plurality of air blowing holes. The sensor is arranged on one side of the cleaning nozzle to detect position information of the wafer. The deionization pump is provided with a controller, and the controller is in communication connection with the sensor to control the deionization pump according to a state of the sensor. One end of the connecting pipe is communicated with the deionization pump, and the other end of the connecting pipe is communicated with the cleaning nozzle. The wafer automatic cleaning device realizes automatic cleaning of the wafer, does not cause damage to the wafer itself, reduces manual cleaning of a back surface of the wafer, avoids breakage and electrostatic breakdown problems caused by manual cleaning, avoids introduction of new particulate impurities in wafer transportation between front and rear process stations, and ensures cleanliness of the wafer during wafer operation.

This invention relates to the field of resistance furnace technology, specifically a box-type resistance furnace for diesel fuel ash content testing. It includes a furnace body and a furnace door mounted on the furnace body. A covered ash dish is placed inside the furnace body. The device also includes a two-stage locking mechanism on both the furnace body and the furnace door. This mechanism locks the furnace door with a slight gap before fully closing it. By using the two-stage locking mechanism, the furnace door is first locked in a gap-free state to allow gas to escape and prevent pressure buildup, and then locked in a fully closed state to ensure airtightness and improve testing accuracy. Furthermore, under the action of a linkage mechanism, closing the furnace door causes the deflector tray and covered ash dish to rotate into the furnace, reducing manual interference. When the furnace door is fully closed, the covered ash dish is automatically opened, fully exposing the sample and ensuring reliable and standardized testing. The entire process involves few steps and is simple and convenient.

The invention relates to the technical field of circuit board electroplating, in particular to an electroplating device for circuit board manufacturing, which comprises a base station, driving mechanisms are symmetrically arranged at the upper end of the base station, the two driving mechanisms are respectively positioned at the bottoms of the opposite sides of two side plates, a roll shaft is arranged between the two side plates, and a first connecting shaft is connected between the roll shaft and the driving mechanisms; a plurality of reserved parts are fixedly welded to the outer wall of the circumference of the roller shaft, an assembly part is installed on the reserved part at the uppermost end of the roller shaft, the assembly part is of a U-shaped structure, grooves are formed in the two ends of the assembly part, and lifting mechanisms are arranged at the two ends of the assembly part. When the circuit board moves, the box body with the electroplating liquid is alternately rotated to the position below the circuit board, then the box body is lifted through the lifting mechanism, and the circuit board is placed in the electroplating liquid in the static state of the circuit board, so that the phenomenon that the electroplating liquid on the circuit board is blown by air flow in the moving process of the circuit board, and the plating leakage phenomenon occurs is avoided.

The utility model relates to the technical field of breaker with wear -resistant lining plate quick replacement structure discloses a breaker with wear -resistant lining plate quick replacement structure, including breaker body, the inside of breaker body is provided with crushing device, the top of breaker body is provided with feed inlet, the outside of feed inlet is provided with quick replacement subassembly, quick replacement subassembly includes lining plate body, butterfly bolt, sealing washer and thin wear -resistant rubber board, through the quick replacement subassembly that sets up, the sliding fit of spacing rod and spacing hole provides accurate orientation for lining plate body, realizes quick positioning, and the thread groove cooperation butterfly bolt of connecting plate and feed inlet, and staff can complete fixing and dismounting by hand, spares the tool operation, accelerates the replacement speed, and sealing washer and sealing groove guarantee sealing and do not increase the installation difficulty, above all, the cooperation of each part realizes lining plate body quick positioning and dismounting, shortens the replacement time, reduces the difficulty, promotes the maintenance efficiency.

This utility model relates to the field of indoor air purification technology and discloses an ultra-low energy consumption building indoor air purification device, including a mounting base, connecting rod, air pump, power components, gas absorber, and cleaning tray assembly. The cleaning tray assembly consists of a cleaning tray shell and a cleaning tray top plate that are detachably connected. Through the snap-fit ​​structure of the clip and snap-fit ​​post, and the pre-positioning cooperation of the positioning ring and the positioning groove, the cleaning tray shell and the cleaning tray top plate can be quickly disassembled and assembled, facilitating the inspection and maintenance of the internal components of the cleaning tray assembly, further reducing operation steps and saving maintenance time. Secondly, through the sliding cooperation of the guide block and the guide groove, combined with the characteristic of the limit block automatically retracting under compression, the gas absorber can be quickly installed and disassembled without the entire cleaning tray being disassembled, solving the problem of complex operation in the prior art that "the entire cleaning tray needs to be disassembled to replace the absorbent material," and significantly improving maintenance efficiency.

The utility model discloses a kind of hydraulic pump structures of convenient piston dismounting, including cylinder body, the piston rod is placed in one side of cylinder body, the inner wall of one side of the piston rod surface is slidably connected with cylinder body, the outer cover plate is arranged in one side of cylinder body, the other side of piston rod is penetrated to the outside of outer cover plate and is slidably connected with outer cover plate, annular mounting groove is set up in the outer side position of one end of outer cover plate.The hydraulic pump structure of convenient piston dismounting, through the multiple clamping structure of design annular mounting plate and annular mounting groove, annular clamping plate and annular clamping groove and annular fixing plate and annular fixing groove, cooperate the thread connection of fixed bolt one and fixed bolt two, greatly simplify the installation and dismounting process between outer cover plate and cylinder body, also facilitate the dismounting of piston rod, this design not only reduces operation step, also reduces the risk of connecting component damage, to significantly improve the convenience of installation and dismounting.

The invention provides a metal jewelry five-axis turn-milling machining center, and relates to the technical field of machining centers, and the metal jewelry five-axis turn-milling machining center is characterized in that an equipment protection door is slidably connected to the front end face of a machining center equipment main body; the operation state alarm lamp is fixedly installed on the upper end face of the machining center equipment body. The numerical control operation panel is rotationally installed on the outer side of the machining center equipment body. The protection fixing net rack is fixedly connected to the rear end face of the equipment protection door. The problems that in the using process of an existing jewelry five-axis turn-milling machining center, if a workpiece falls off due to improper clamping, the workpiece flying out at a high speed easily collides with protective window glass of a machine tool and is damaged, and once the protective window glass is damaged, the protective window glass cannot be damaged due to safety consideration are solved. At present, the protective glass is generally rigidly fixed by adopting a bracket matched with a bolt, the disassembly and assembly process is tedious, the consumed time is long, and the operation efficiency of equipment is influenced, and the working efficiency is improved.

This invention discloses a tube loading machine with tube detection function, comprising a base and an upper plate. A first support column is fixedly installed on the upper part of the base, and a placement chamber is provided above the first support column. A first cylinder is provided on the left side of the placement chamber, and a first air rod is slidably connected inside the first air cylinder. A push cylinder is spring-connected to the right side of the first air rod. A linear push rod motor is fixedly installed on the rear side of the placement chamber, and a push plate is fixedly installed at one end of the output shaft of the linear push rod motor. A conveying pipe is connected to the middle bearing of the placement chamber, and a slot is provided inside the placement chamber. A second support column is fixedly installed on the upper part of the base, and a support plate is fixedly installed above the second support column. A gasket is provided inside the recess on the upper part of the support plate, and a collection groove is fixedly installed on the rear side of the support plate. This invention conveniently and efficiently realizes the tube detection function.

The application relates to the technical field of medical devices, in particular to a catheter. The catheter comprises a first catheter and a second catheter, the first catheter can be used for mapping an electrical signal of a tissue, and the second catheter can be used for ablation of the tissue; the extension direction of the first catheter is the same as that of the second catheter; the first catheter can also release the electrical signal to ablate the tissue. The large and small loop structures can be quickly positioned, have high adaptability, effectively reduce the operation of a surgeon, and improve the operation efficiency.

This invention provides a portable air conditioner integrating drying and preservation, relating to the field of air conditioning technology, and designed to solve the problem of low energy utilization in portable air conditioners. The portable air conditioner includes a housing, within which are a first heat exchange chamber, a second heat exchange chamber, and a storage chamber. The housing has a first air inlet, a second air inlet, and an air outlet. Both the first air inlet and the air outlet are connected to the first heat exchange chamber, which houses a first heat exchanger and a first fan. The second air inlet is connected to the second heat exchange chamber, which is also connected to the storage chamber via the air outlet. The second heat exchange chamber is isolated from the first heat exchange chamber and houses a second heat exchanger and a second fan. The storage chamber also has an exhaust port configured to connect to an exhaust pipe. This invention can fully utilize waste heat or waste cold energy generated during the cooling or heating process of a space, thereby achieving efficient resource utilization and reducing energy consumption.

The utility model relates to the technical field of building construction, and discloses a portable crane for building construction, which comprises a lifting frame and a lifting device fixedly mounted on the upper side of the lifting frame, two bottom plates are arranged on the lower side of the lifting frame, and two first guide grooves are formed in the lower surface of the lifting frame. A second guide groove is formed in the upper surface of the bottom plate, through cooperation of a bidirectional threaded rod, a first connecting base, a second connecting base, a first lifting plate, a second lifting plate and other structures, pulleys can be stored into the grooves in the lifting process of the lifting frame, and when the lifting frame descends, the pulleys extend out of the grooves, so that the pulleys are prevented from falling into the grooves. Therefore, the operation steps of workers are reduced, the overall stability of the device is guaranteed during use, the moving convenience of the device is guaranteed during rotation, the practicability is high, and the flexibility is high.

The application relates to an electronic atomization system, which comprises a liquid supply device and an electronic atomization device; the electronic atomization device comprises a liquid storage module and a main machine, the main machine comprises an atomization core; the liquid storage module has an initial state and a use state; when the liquid storage module is in the initial state, the liquid storage module is separated from the main machine and is in fluid communication with the liquid supply device; when the liquid storage module is in the use state, the liquid storage module is assembled with the main machine and is in fluid communication with the atomization core. The application can avoid mutual pollution between electronic components in the main machine and liquid matrix, and can also save the operation steps of initial use of the user.

The invention relates to the technical field of railway engineering reliability analysis, and particularly discloses a seamless track key influence factor identification method considering multi-source uncertainty, and the method comprises the steps: firstly, constructing an initial factor library and a parameter set based on field and literature data; secondly, a Latin hypercube sampling (LHS) technology is adopted to generate samples in an uncertain parameter space, and an input-response data set is obtained through parametric simulation; secondly, training a high-precision efficient proxy model based on simulation data to replace an original physical model; and finally, implementing Monte Carlo simulation (MCS) based on the agent model, and completing system probability reliability evaluation and global sensitivity analysis. According to the method, the influence of multiple parameters and the coupling effect thereof on the service performance of the seamless track can be evaluated simultaneously in single simulation, the analysis efficiency is remarkably improved, and the method is suitable for reliability analysis and optimization design of the seamless track in a complex environment.

The utility model discloses a building electrical design multifunctional tool table belongs to building electrical technical field, including tool table body, the front side of tool table body top is provided with the storage groove, and the multiple baffle in storage groove divides the space into independent area, can be according to the accurate zoned storage of tool type, avoids all kinds of tools to mix and pile up, and sliding type tool box is used to store commonly used tool specially, effectively solves the tool loss problem of traditional tool table because of disorder, reduces resource waste, makes tool management more rationality, and the push-pull type switch is realized to the cooperation of sliding block and sliding groove of cover plate, and cooperation buckle assembly can complete locking and unlocking quickly, and tool box can be directly along mesa push-pull and use, shortens the tool access time, reduces work interruption, and the flat mesa can be formed after cover plate closes, further expands operation area, solves the mesa disorder problem of traditional tool table tool pile up, reduces the risk of accidental contact tool.

The invention discloses a distribution network automation feeder terminal switching method, system and device with a fault self-diagnosis function and a medium. The method comprises the steps that an original electrical signal is collected through an input interface unit; intermediate information data are obtained through the signal processing module; electrical characteristics are collected through a main control module to obtain an interface type identification result, adaptive adjustment is carried out on the intermediate information data, and an adaptive signal is obtained and output; and acquiring and analyzing the digital signal to obtain device operation state information, performing fault diagnosis in combination with the interface type identification result, and triggering an alarm when abnormality is diagnosed. Intelligent conversion is achieved by integrating multiple interfaces, the problem that equipment interfaces of multiple manufacturers are incompatible is solved, the tedious operation of equipping multiple adapters on site is avoided, the accuracy and stability of cross-interface signal transmission are guaranteed, and the operation reliability, operation and maintenance convenience and system overall safety of the device in a complex environment are improved.

The utility model discloses a left and right horizontal horizontal type hinged folding device, the left side support's front and back wall respectively correspond the left end of left front horizontal hinged piece, left rear horizontal hinged piece of hinged connection, and left front horizontal hinged piece, left rear horizontal hinged piece can only be relative to left side support front and back horizontal swing hinged, the right side support's front and back wall respectively hinged connection has the right end of right front horizontal hinged piece, right rear horizontal hinged piece, and right front horizontal hinged piece, right rear horizontal hinged piece can only be relative to right side support front and back horizontal swing hinged, the right end of left front horizontal hinged piece, left rear horizontal hinged piece is swing hinged with the left front end, left rear end of corresponding intermediate X shape horizontal hinged frame, and the left end of right front horizontal hinged piece, right rear horizontal hinged piece is swing hinged with the right front end, right rear end of corresponding intermediate X shape horizontal hinged frame, this product can left and right horizontal stretch and horizontal contract folding, and the good bearing capacity is stable in structure, and the structure is solid, and convenient operation.

The utility model relates to the technical field of numerical control machine tool workpiece feeding and discharging, and discloses a numerical control machine tool workpiece feeding and discharging device which comprises a supporting frame, a lifting motor, a bearing device and a pushing device. A bearing device is arranged in the supporting frame and correspondingly connected with the interior of the supporting frame in a sliding fit mode, a pushing device is arranged at the top of the bearing device and fixedly connected with the top of the bearing device through an adaptive screw, and a bottom output shaft of the lifting motor is correspondingly connected with the bearing device in a threaded fit mode. The loading and unloading device is internally provided with the bearing device and the pushing device which cooperate with each other, so that the loading and unloading speed of large workpieces can be greatly improved, manual carrying is reduced, and the safety of the whole operation process is greatly improved.