47results about How to "Drive precision" patented technology

The invention relates to the technical field of automatic loading and unloading of logistics forklifts, in particular to a novel automatic loading and unloading system of an unmanned forklift in a van environment, and the system comprises a positioning map binding module which is used for binding platform areas where a plurality of trucks are parked on a positioning map; and the task issuing module is configured to receive a task issued by a driver through a pad system when a truck arrives and transmit the task to a warehouse management system (WMS), and the WMS issues a cargo taking and placing task of a corresponding map point position according to a platform number. And the visual servo system adopting the solid-state laser radar provides high-precision and high-stability navigation capability for the AGV.

The invention provides an AGV vehicle-mounted snow melting device and a path planning method, and belongs to the field of automatic wharf automatic guided vehicle equipment application and vehicle navigation, a path planning information input unit is used for providing coordinate information, AGV spreader gear information and spreading range information for a snow melting agent spreading map unit, and updating snow melting agent spreading map information in real time; an AGV path planning unit plans an AGV driving snow melting path according to the starting place and the destination of snow melting; the AGV navigation unit controls the AGV to run according to the AGV traveling snow melting path; the snow-melting agent spreading map unit is used for recording actual position information and driving path information, and recording a snow-melting agent spreading amount and a snow-melting agent spreading amount threshold value at the same time; the remote operation unit is used for receiving a driving control instruction sent by a user through the handheld terminal, controlling the spreading amount of the snow-melting agent and adjusting the spreading range; according to the invention, the snow-melting agent can be spread on the snow and ice accumulated road surface based on the operation of the AGV to realize snow melting and ice melting, so that the snow melting efficiency is higher and the snow melting is more intelligent.

The large-diameter double-spring safety valve comprises a valve body, a water inlet channel, a water outlet channel, a valve rod and a valve seat arranged on the water inlet channel are arranged in the valve body, the valve rod is sleeved with a valve clack which is connected with the valve seat in a sealed mode and used for controlling the communication state of the water inlet channel and the water outlet channel, and a first installation cavity is formed in the water inlet channel. A diaphragm and a first magnetic part are arranged in the first installation cavity, the valve rod comprises an upper valve rod body and a lower valve rod body, a second installation cavity is formed in the upper valve rod body, a second magnetic part is arranged in the second installation cavity, and the first magnetic part and the second magnetic part are arranged in a magnetic pole repelling mode. After water enters the water inlet channel, the diaphragm is driven to move, then the first magnetic piece is moved, the second magnetic piece repelling the first magnetic piece abuts against the upper valve rod through repelling magnetic force, and the upper valve rod moves to drive the valve clack to open the water inlet channel and the water outlet channel to communicate for water outlet.

The invention belongs to the technical field of sole processing, and particularly relates to a sole stamping and flattening device and a use method thereof. The sole stamping and flattening device comprises: a workbench, a sole mold, a quick disassembly assembly, a punching machine body, a pressing plate, and a pressing block, wherein the quick disassembly assembly comprises: a positioning seat, a swinging seat, a primary drive limiting unit, an adjusting seat, and a secondary drive limiting unit, wherein the positioning seat can fix the side wall of the first side of the sole mold; one end of the swinging seat is rotatably connected to the workbench, and a side of the swinging seat close to the positioning seat can fix the front part of the second side of the sole mold; the primary drive limiting unit can drive the swinging seat to swing relative to the workbench, and lock the swinging seat at a current position; one end of the adjusting seat is rotatably connected to the movable end of the swinging seat, and a side of the adjusting seat close to the positioning seat can fix the rear part of the second side of the sole mold; the secondary drive limiting unit can drive the adjusting seat to swing relative to the swinging seat, and lock the adjusting seat at a current position; compared with the prior art, the sole mold can be replaced during use, and the process of disassembling and assembling the sole mold is efficient and stable, and the present invention can adapt to the disassembly and assembly of sole molds of different specifications, and has a wide range of applications.

The invention discloses a material transport vehicle control method and device, a material transport vehicle, a medium and a product. The method comprises the following steps: acquiring target position information, a plurality of encoder values, sampling time corresponding to each encoder value, a plurality of two-dimensional code distance values and sampling time corresponding to each two-dimensional code distance value; determining a first encoder value and a two-dimensional code distance value matched with the first encoder value according to the plurality of encoder values, the sampling time corresponding to each encoder value, the plurality of two-dimensional code distance values, the sampling time corresponding to each two-dimensional code distance value, the first sampling period and the second sampling period; determining a target distance difference value according to the target position information and the difference value of the two-dimensional code distance value matched with the first encoder value; determining a target encoder value according to the first encoder value and the target distance difference value; and the servo motor is controlled based on the target encoder value, so that the material transport vehicle travels to the target position, and through the technical scheme of the invention, the material transport vehicle accurately travels to the target position.

This utility model provides a hinge opening and closing test fixture. The fixture table includes a fixed base, a rotating base, a fixed fixture, and a rotating fixture. Support feet are located at the bottom and rear. The fixed base mounts the fixture table, and the fixed fixture is connected to the fixed base. Hinge fixing pieces are secured with screws through fixing holes. The rotating base is connected to the fixture table via a rotating shaft, and the rotating fixture is connected to the rotating base. A clamping groove holds the hinge rotating piece, and the groove has an elastic clamping layer to prevent loosening. The fixture table contains a switching power supply, a motion controller, a servo motor, and a worm gear reducer to drive the rotating shaft. A counting sensor under the rotating base measures the number of rotations, which is displayed on the front side of the fixture table via a counter. This fixture is securely fixed, provides accurate driving and counting, is efficient and convenient, and is suitable for testing the opening and closing performance of hinges.

The present invention relates to the field of flexible robot technology, and more specifically to a cross-scale electro-magnetic coupling driven flexible robot and its preparation method and application. A cross-scale combination of a macroscopic flexible main structure and a microscopic microciliary surface structure is achieved through a distributed and modular processing technology; the macroscopic flexible structure is driven by an electric field, which can achieve a wide range of flexible swings to ensure that more seawater is swept and contacted during the movement; the surface microstructure is driven by a magnetic field, and reciprocates at a high frequency under the action of a high-frequency alternating magnetic field to achieve efficient contact and adsorption of micropollutants in seawater. The combination of the two motion modes can realize the efficient controllable macroscopic motion of the flexible robot in a high-pressure, highly disturbed seawater environment and the adsorption motion of microscale pollutants.

The embodiment of the present disclosure provides a piezoelectric ceramic capacitor driving circuit, which comprises a boost circuit, a full-bridge circuit and a boost control circuit, a voltage input end of the boost circuit is connected with a power supply voltage, a voltage output end of the boost circuit is connected with an input end of the full-bridge circuit to output a boosted voltage, the boost control circuit comprises a voltage sampling circuit, a lower tube opening detection circuit control circuit, two input ends of the voltage sampling circuit are connected with a positive phase voltage output end and a negative phase voltage output end of the full-bridge circuit respectively, an output end of the voltage sampling circuit is connected with a first input end of the lower tube opening detection circuit to output a feedback voltage, a second input end of the lower tube opening detection circuit is connected with a reference voltage, and an output end of the lower tube opening detection circuit is connected with a first input end of the control circuit. The driving circuit can drive a large load and can also improve driving precision.

The application provides a kind of escalator handrail belt speed measuring device, speed measuring device is installed on handrail belt, speed measuring device includes main unit, clamping component, speed measuring component and control component, control component is used to control the operation of speed measuring device, main unit has drive assembly, drive assembly has transmission rod and support rod, clamping component has two sets of clamping pieces, transmission rod and support rod are connected with two sets of clamping pieces, transmission rod drives two sets of clamping pieces to realize split and combined motion, clamping piece is clamped on handrail belt, speed measuring component is installed at the lower end of clamping piece, speed measuring component has support wheel and speed measuring wheel, support wheel and speed measuring wheel contact with handrail belt mounting frame, speed measuring wheel is used to measure the running speed of handrail belt;The application can realize the direct measurement of handrail belt speed, obtain continuous data of handrail belt operation, obtain the state of each point of handrail belt operation in time, which is beneficial to accurately diagnose the running state of handrail belt, and the device has the characteristics of convenient operation and high efficiency.

The utility model discloses an adjustable nozzle adjusting valve convenient to disassemble, and belongs to the field of nozzle adjusting valves. In modern industrial production, a valve rod of a nozzle regulating valve is mostly of an integral structure, needs to be integrally replaced when being locally abraded, and is high in cost and inconvenient to disassemble, the lower end of a straight-through nozzle seat is usually sealed by welding, and when internal parts are blocked or damaged, the disassembly difficulty is high. The straight-through nozzle comprises an executing mechanism, an upper valve body assembly, a lower valve body assembly, a valve rod, a valve seat, a straight-through nozzle seat and a nozzle, the upper valve body is connected with the lower valve body through a flange structure, a detachable blank cap is arranged at the bottom of the straight-through nozzle seat, the valve rod is divided into a valve element rod and a piston rod, and the valve element rod and the piston rod are connected through threads and a cylindrical pin. The actuating mechanism is composed of a pneumatic stroke film actuator and the like, and the flow can be accurately controlled in cooperation with an adjusting mechanism with a dial. According to the regulating valve, through detachable design, the maintenance time is shortened, the cost is reduced, and meanwhile accurate flow regulation and reliable operation are achieved.

This invention provides a method for compensating for lateral deviation in autonomous driving caused by tire pressure issues, comprising the following steps: Step S1, real-time acquisition of tire motion information during vehicle operation; the tire motion information includes the linear velocity and angular velocity of tire rolling; Step S2, calculation of the tire rolling radius based on the tire motion information, and determination of whether the tire pressure is abnormal using a radius iteration method, wherein the radius iteration method uses a pre-set characteristic parameter γ to represent the difference in tire rolling radius to determine whether the tire pressure is abnormal; Step S3, determination of the relationship between tire pressure and tire radius based on the tire rolling radius and characteristic parameter γ, and determination of the tire location with abnormal tire pressure; Step S4, calculation of the compensation value for the steering wheel angle based on the characteristic parameter γ.

This utility model relates to an underwater operating machine, specifically an underwater telescopic mechanism. The underwater telescopic mechanism includes a sealed housing assembly, a transmission assembly, a guide assembly, a watertight motor, and a telescopic rod driven by the watertight motor. The sealed housing assembly includes a cylindrical body, with the telescopic rod and the watertight motor respectively located at both ends of the cylindrical body, and the watertight motor fixed to the cylindrical body. The end of the cylindrical body away from the watertight motor has an internally hollow cavity structure, within which the telescopic rod is movably disposed. A front cover is fixed to the end of the cylindrical body away from the watertight motor, and a front cover seal is fixed to the front cover. A second sealing ring is provided at the end of the front cover near the watertight motor. This underwater telescopic mechanism has excellent sealing performance, innovatively transferring the most easily failed rotary dynamic seal to the static seal between the external motor and the sealed housing assembly. Its reliability is far superior to the former rotary dynamic seal, completely eliminating the risk of leakage from core components.

The utility model discloses a kind of folding material mechanisms of automatic bagging machine, it includes base;First driving device, install on base, for driving lifting plate lifting;Second driving device, install on lifting plate, for driving sliding frame along front and back direction translation, sliding frame one side is equipped with vertical plate frame;Third driving device, install on vertical plate frame, for driving lifting frame lifting;Fourth driving device, for driving intermediate folding knife component front and back translation;Fifth driving device, for driving lateral folding knife component left and right translation, the utility model fourth driving device and fifth driving device are all using servo motor+screw structure, can according to bag shape size, adjust the initial position of intermediate folding knife and lateral folding knife, adjustment precision is high, parameter adjustment is convenient, in addition, about the front and back translation of sliding frame, and the lifting of lifting frame, are all using motor, gear and rack mutually coordinated structure to complete, driving is more accurate, overall action is simplified, equipment structure is stable, and practicality is strong.

The invention, which relates to the technical field of electrical element manufacturing, discloses a bionic dry adhesion mechanism comprising a rack and two adhesion mechanisms arranged symmetrically. The adhesion mechanism comprises a tangential micro-displacement mechanism, a moving seat, a sensing assembly and an adhesion pad; the tangential micro-displacement mechanism is arranged on the rack; the output end of the tangential micro-displacement mechanism can drive the moving seat to be close to or far away from the other adhesion mechanism; the sensing assembly comprises a force sensing element and a distance sensing element; the force sensing element is fixedly arranged at the lower end of the movable seat; the distance sensing element is fixedly arranged at the lower end of the force sensing element; the adhesion pad is fixedly arranged below the distance sensing element; an array type wedge-shaped bristle bundle used for adhering a target object is fixedly arranged on the adhesion pad; the force sensing element can sense tangential force and normal force; the direction of the tangential force is parallel to the adhesion surface of the adhesion target object, and the normal force is perpendicular to the adhesion surface of the adhesion target object. Flexible adhesion to the target object can be achieved, the adhesion effect is guaranteed, and the carrying safety of the target object is improved.

The application relates to a microsphere grinding method and device based on a reverse variable-speed drive, wherein the method comprises the following steps: determining the working conditions and structural parameters of simulation and test microsphere grinding, establishing a topological model of a simulation object, and importing the topological model into a dynamics simulation software; simulation calculation is performed by using the dynamics simulation software, related data of the microspheres are obtained by comparison simulation, and whether the microsphere revolution collision phenomenon exists in the simulation result is judged; if the microsphere revolution collision phenomenon exists, a time-varying driving speed function is traced back, the time-varying driving speed function is applied to actual microsphere grinding test, finally, when the preset relatively stable revolution running conditions among the microspheres are met, a corrected time-varying function is derived, and the corrected time-varying function is applied to actual variable-speed grinding. Therefore, the problem that due to the fixed eccentricity of the grinding disc, the revolution speeds of the microspheres at different positions are different, and when multiple microspheres grind at the same time, the microspheres are prone to collision, thereby causing surface defects and size deviation and the like is solved.

The application discloses an intelligent traffic auxiliary correction method and system based on remote sensing monitoring, relates to the technical field of intelligent traffic assistance, and comprises effective point feedback and point driving correction. First, user historical eye movement and vehicle dynamic data are collected through the effective point feedback step, driving behavior concentration duration is calculated, behavior types are matched, and eye movement data occurrence rates are counted, current driving data and image recognition are combined, and the first preferred point of the user is determined; voice prompts are given and steering auxiliary force is adjusted. Secondly, historical remote sensing data are collected through the point driving correction step, invalid data are analyzed, and eye movement focus side view angle correction values are summarized; driving directions are prompted, and turning compensation force is applied. The application realizes precise driving assistance through multi-source data fusion, improves safety, adapts to different driving habits through the linkage of historical and real-time data, and improves the precision of the auxiliary system.

The utility model relates to the technical field of sealing ring assembling, and provides sealing ring assembling equipment which comprises a first rotating machine table and a plurality of sealing ring opening units, and each sealing ring opening unit comprises a supporting needle component and a first driving mechanism capable of driving the supporting needle component to move. The first rotating machine table can rotate until at least one sealing ring opening unit is located at the material taking working position and at least one sealing ring opening unit is located at the transferring working position. And each sealing ring mounting unit comprises a sleeve component and a second driving mechanism capable of driving the sleeve component to move, and the second rotating machine table can rotate until at least one sealing ring mounting unit is located at the transferring working position and at least one sealing ring mounting unit is located at the mounting working position. The sealing ring assembling equipment can work in a multi-station mode, so that the sealing ring can be taken and installed at the same time, the sealing ring assembling time is greatly shortened, and the production efficiency is improved.

The invention relates to the technical field of medical instruments, in particular to an instrument driving method based on time sequence planning, and the method comprises the steps: designing a time sequence diagram of a medical instrument through a time sequence editor; importing the time sequence diagram into a time sequence planner, connecting the 3D mechanical model, and observing whether the driving process of the time sequence diagram to the 3D mechanical model meets the requirement or not; connecting the time sequence planner with a drive board of the medical instrument, and observing whether the movement of the medical instrument meets the requirement; and the steps of designing the time sequence diagram, importing the time sequence planner, connecting the 3D mechanical model and connecting the drive board of the medical instrument are repeatedly executed until the medical instrument operates normally and a result is obtained, according to the method, through simplifying the time sequence design process, time sequence planning and the 3D mechanical simulation technology, accurate drive control over the medical instrument module is achieved, real-time feedback adjustment is achieved, and the medical instrument module can be accurately controlled. The system has the advantages of being high in design efficiency, high in accuracy, good in stability and low in maintenance cost, and the research and development efficiency and the product quality of medical equipment are improved.

The invention relates to the technical field of medical instruments, in particular to an automatic ultrasonic contrast agent injection device which comprises an injector, a controller, a position monitoring device, a pressure monitoring device and a driving device. A needle cylinder body of the injector is used for storing a contrast agent, a needle cylinder handle can slide, the controller is connected with the sensors and collects, analyzes and processes signals for operation, the position monitoring device monitors the position of the needle cylinder handle and calculates the injection dosage and speed, and the pressure monitoring device monitors the pressure change and the standard reaching condition. A driving motor of the driving device is electrically connected with the controller, drives a screw rod to rotate and is connected with a needle cylinder handle, the controller judges the running state of the driving device according to pressure monitoring data and re-determines the running state, pressure data are repeatedly obtained in the re-determination process, and an abnormity judgment mode is determined according to the first-time monitoring data; therefore, the accuracy and the safety of injection are ensured, and the automation level and the reliability of ultrasonic contrast agent injection are improved.

The invention discloses a powder packaging bag positioning and clamping device which comprises a connecting frame, a first support and a second support are horizontally installed on the connecting frame in a sliding mode, and the first support and the second support are driven by a first linear power device and a second linear power device. A plurality of positioning rods which are arranged at intervals and conveniently inserted into gaps between adjacent conveying rollers are fixedly installed on the first support and the second support correspondingly, the positioning rods are vertically arranged, and a first rotating shaft and a second rotating shaft are rotationally installed on the first support and the second support correspondingly; a plurality of clamping rods which are arranged at intervals and are conveniently inserted into gaps between adjacent conveying rollers are fixed on the first rotating shaft and the second rotating shaft; a first deflection power device and a second deflection power device which are used for driving the first rotating shaft and the second rotating shaft to deflect are also mounted on the connecting frame; the positioning and clamping device can clamp powder packaging bags conveyed by a conveying roller line after positioning the powder packaging bags, and it is ensured that each clamping action is more accurate.

The utility model provides a kind of rainfall simulation device for testing the waterproof performance of lamps and lanterns, it includes rack, tray and water supply system, rack is equipped with support slide bar and driving rod, driving rod is arranged with several coils, support slide bar is slid with rainfall seat, rainfall seat is equipped with the driving magnet matched with coil, rainfall seat is arranged with several drain holes, tray is below drain hole, tray is used to place the lamps and lanterns to be measured, water supply system is connected with drain hole pipeline, so that rainfall output falls on lamps and lanterns, at this time, coil is used to drive driving magnet to drive rainfall seat to shake and simulate wind and rain environment, and driving magnet drives rainfall seat to move and adjust position;The utility model belongs to the technical field of lamps and lanterns testing equipment.

The utility model discloses a rotary driving type transmission pin which comprises a transmission pin body, an adapter assembly is arranged on the transmission pin body in a sleeved mode, a limiting assembly is arranged at the end, provided with the adapter assembly, of the transmission pin body, the adapter assembly is rotationally connected with the transmission pin body, and the limiting assembly limits the axial position of the adapter assembly on the transmission pin body. The switching assembly is prevented from falling off from the transmission pin body, the switching assembly is clamped on the chuck, and the switching assembly is driven by the transmission pin body to rotate and rotates in the chuck at the same time; the transmission pin is arranged to be the rotatable transmission pin, the switching assembly rotates on the transmission pin body, the chuck can make rotary contact with the transmission pin, the acting force is greatly reduced, abrasion is not likely to happen, the service cycle is long, cost is greatly saved, precise braking and driving can be conducted, the sizing material curling process is stable, and the service life is long. The quality and the yield of rubber products are greatly improved, the operation is stable, and the production requirements are met.

The utility model relates to the technical field of tool turret cranes, in particular to a tool changing structure of a tool turret crane. A tool changing structure of a tool turret machine comprises a tool turret machine body and a tool installing assembly arranged on the tool turret machine body. Wherein the cutter mounting assembly comprises a cutter holder and a driving part for driving the cutter holder to rotate; a plurality of cutter mounting structures for mounting cutters are arranged on one side of the cutter holder; each cutter mounting structure comprises a cutter groove and at least one mounting hole site, the cutter groove is formed in the cutter holder, and each mounting hole site penetrates through the outer side of the cutter holder and extends into the cutter groove in the direction close to the cutter groove. The tool changing structure has the advantages that a plurality of tool mounting structures are arranged on one tool apron, a plurality of tools can be mounted on fewer tool aprons, the size of a tool bit part is reduced, the burden of a machine is relieved, the tool bit part is more compact due to the fact that the number of the tool aprons is reduced, the tool handling space for workpieces is increased, and the machining efficiency is improved. The operation flexibility and accuracy are improved, and the drilling cutting process is more efficient.

The invention discloses an automatic assembly and disassembly device for a reaction tube, comprising a mounting plate, on which are respectively provided: a turntable, on which are provided a plurality of receiving grooves, and the upper ends of the receiving grooves are provided with internal threads; a rubber plug assembly and disassembly mechanism, used for automatically installing or disassembling the rubber plug at the open end of the reaction tube; a clamping cap assembly and disassembly mechanism, used for automatically installing or disassembling the clamping cap at the upper end of the reaction tube and outside the rubber plug; a threaded cap assembly and disassembly mechanism, used for automatically installing or disassembling the threaded cap at the upper end of the receiving groove; and a turntable driving mechanism, used for driving each receiving groove on the turntable to rotate to the rubber plug assembly and disassembly station, the clamping cap assembly and disassembly station and the threaded cap assembly and disassembly station in sequence. The automatic assembly and disassembly device for a reaction tube disclosed by the invention can realize the automatic assembly and disassembly of the reaction tube and the turntable, that is, no manual operation is required during the assembly and disassembly process, and the work efficiency is high.

The embodiment of the invention discloses an equipment control method and device, electronic equipment and a storage medium. A control instruction for a target light-emitting device is received, wherein the control instruction comprises a target brightness value which the target light-emitting device needs to reach; based on the device type of the target light-emitting device, the corresponding initial maximum duty ratio of the target light-emitting device under the target brightness value is determined, and the initial maximum duty ratio is the maximum duty ratio of a pulse signal needed for driving the target light-emitting device to reach the target brightness value under the reference working state parameter; determining at least one duty ratio compensation coefficient corresponding to the target light-emitting device according to the working state parameter of the target light-emitting device; based on the duty ratio compensation coefficient, correcting the initial maximum duty ratio to obtain a target maximum duty ratio; and driving the target light emitting device based on the target maximum duty ratio and the target brightness value. Therefore, the light-emitting device can be accurately driven based on the dynamically determined duty ratio limit value, and the equipment control efficiency is improved.

The utility model discloses an assembly type electric power engineering transformer substation construction device which comprises a bottom plate, a surrounding plate is installed on the surface of the bottom plate, a transmission assembly is installed in the surrounding plate and comprises a driving wheel, a driving motor and four driven wheels, the four driven wheels are connected with the driving wheel in a meshed mode, and the driving wheel is connected with the driving motor in a meshed mode. A first screw rod is fixedly installed in the center of the surface of each driven wheel, one end of each first screw rod is in threaded connection with a first sleeve, and the outer walls of the four first sleeves are fixedly connected with a standing plate. The driving motor can quickly and accurately drive the driving wheel so as to drive the driven wheels to rotate, and through cooperation of the four driven wheels, the first sleeve and the first screw rod, the standing plate is more stable during movement, lifting shaking is greatly reduced, and the stability and reliability of the equipment are improved.

The present application relates to the field of camera devices, and discloses a sensor drive motor structure and a camera module. The sensor drive motor structure drives the image sensor to perform anti-shake movement, including magnets that are respectively connected to the image sensor in a transmission manner and are arranged on the outside of the four sides and two ends of a diagonal of the image sensor. Coils are arranged on the outside of the magnets in a one-to-one correspondence, and the coils are conductively connected to the external circuit through a ring circuit board; the camera module also includes a support assembly for installing and supporting the movement of the image sensor, and the support assembly always provides a support base point located at the center of gravity of the image sensor. In the present application, magnets in different positions are allowed to play different roles, so that the functional modules in the motor are further refined while adding very few parts and ensuring the simplicity of the structure. It can not only simplify the software algorithm for controlling the current size of each coil, but also use a motor with a finer division of labor to achieve more accurate driving of the image sensor and optimize the anti-shake effect.

The invention relates to the technical field of steel and iron smelting, in particular to a steel ladle conveying device which comprises a base plate, a rotating disc, a transmission device, a hydraulic power unit, a hydraulic motor, a liquid storage tank, a worm and a worm gear. A circular through hole is formed in the center of the top face of the base plate, the rotating disc is rotationally arranged in the through hole, and the transmission device is arranged on one side of the top face of the rotating disc; the two hydraulic power units are arranged on the edge of the bottom face of the rotary disc, the hydraulic motor is connected with the two hydraulic power units through hydraulic pipelines, the liquid storage tank is located between the two hydraulic power units and the hydraulic motor, the worm is arranged at the output end of the hydraulic motor, the worm wheel is rotationally arranged on the bottom face of the rotary disc, and the worm wheel and the worm are meshed with each other. And the steel ladle can be flexibly transported between the steel-making electric arc furnace and the steel ladle refining furnace.

The invention provides an auxiliary lock device for a rail vehicle door system, and belongs to the technical field of rail transit. A first partition plate and a second partition plate which are parallel to each other are formed on the front side of a base plate, rotating shaft holes are formed in the two partition plates, rotating shafts are arranged in the rotating shaft holes in a penetrating mode, the rotating shafts extend out of the upper ends of the rotating shaft holes of the first partition plate, and swing parts are arranged on the side walls of the rotating shafts. A swing rod sleeves the side wall of the rotating shaft between the two partition plates, a connecting rod is hinged to the end of the swing rod, the other end of the connecting rod is hinged to the end of the spring bolt, a reset torsional spring sleeves the rotating shaft, a vibration stopping hole is formed in one side of the connecting rod, and a vibration stopping shaft is fixed between the first partition plate and the second partition plate; and a vibration stopping tension spring is arranged between the vibration stopping shaft and the vibration stopping hole. The device is simple in structure and convenient to mount, and noise generated during operation is greatly reduced.