41results about How to "Drive stability" patented technology

The utility model discloses a swing leaf structure of air conditioner cabinet, including swing leaf body still include the extension plate of swing leaf body one end end part, be provided with swing leaf drive subassembly on the fixed extension plate, swing leaf drive subassembly includes drive block, crank and bolt, drive block is fixed on the extension plate, and drive block is provided with the drive hole parallel to swing leaf body length direction and the pinhole perpendicular to drive hole, and drive hole is communicated with pinhole, one end of crank is provided with the radial extension lock hole, and the other end of crank is equipped with the axial extension motor connecting hole, and crank inserts drive hole, and lock hole is aligned with pinhole, and the plug -in cooperation is formed to bolt and lock hole and pinhole. The relative position of swing leaf and crank is effectively fixed, and swing leaf and crank connection stability, can not happen other relative motion, effectively strengthened the assembly intensity between swing leaf and crank, makes crank can steady drive swing leaf operation, and the clearance between swing leaf and face frame can not change, ensures the stability of air conditioner swing leaf operation.

The utility model relates to the technical field of parking garage equipment, and discloses intelligent lifting and transverse moving type three-dimensional parking garage equipment which comprises a bottom plate, a plurality of sets of installation columns distributed at equal intervals are fixedly installed on the rear side of the surface of the bottom plate, and two sets of second vehicle-mounted plates are arranged on the surface of the bottom plate. The three sets of first vehicle-mounted plates are arranged above the second vehicle-mounted plate, lifting devices are arranged on the three sets of first vehicle-mounted plates, the second vehicle-mounted plate and the first vehicle-mounted plates can be reasonably distributed and achieve transverse movement, position adjustment of a vehicle between different parking spaces is facilitated, a servo motor drives a lead screw to rotate, and the vehicle-mounted plates are driven by a servo motor to rotate. The first threaded sliding blocks and the second threaded sliding blocks on the lead screw can stably move up and down under guiding of the limiting grooves, the first vehicle-mounted plate is fixedly installed between the two sets of second threaded sliding blocks, and the stability and accurate positioning of the first vehicle-mounted plate in the lifting process can be guaranteed through connection of the fixing plate and the fixing frame; lifting and storing of vehicles are facilitated, and using safety and reliability are improved.

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 invention discloses an indoor and outdoor autonomous switching unmanned intelligent agent with a redundant propulsion system and a method, and belongs to the technical field of unmanned aerial vehicles. The indoor and outdoor autonomous switching unmanned intelligent body with the redundant propulsion system comprises an unmanned intelligent body main body, two propulsion rotors are arranged in each auxiliary propeller shell, and a main rotor is arranged in a flight opening; and a high-precision hydraulic turntable is mounted at one end of the auxiliary propeller shell. The problems that an existing multi-rotor unmanned aerial vehicle is difficult to position in an indoor GPS denial environment and poor in maneuverability in a narrow space are solved, the propelling rotors can provide lift force for maintaining the height by calculating the thrust distribution scheme of the propelling rotors, yawing, pitching and rolling moments are synthesized through differential thrust, the flight control right is taken over, and the maneuverability of the multi-rotor unmanned aerial vehicle is improved. An intelligent unmanned platform which can safely, autonomously and continuously operate at an environment boundary and a system state boundary is created, and the intelligent unmanned platform can autonomously fly in indoor and outdoor complex environments and has a fault-tolerant capability.

The utility model discloses a kind of middle disc rotation driving mechanism of hardware machining machine, it includes gear ring, fixed on middle disc;Driving device, including fixed on upper support frame servo motor, linkage in the shaft rod assembly of servo motor, and gear installed on shaft rod assembly, gear meshing installation is on gear ring;Middle disc has relative upper disc stop state to be processed, in the state to be processed, each chuck seat is respectively corresponding set below each processing tool bit, the utility model uses the cooperation of servo motor+shaft+gear ring, completes the rotation driving of middle disc, drive is very stable, driving precision is high, and the stop and start of middle disc can be accurately controlled by servo motor, the high-speed operation of equipment can be satisfied, structure is stable, service life is long, and practicality is strong.

This utility model relates to the field of switch operation technology, and discloses a switch transmission structure. The transmission structure includes: a cover located on the back side of the switch, with an operating mechanism disposed on the back side of the switch; and a transmission component rotatably mounted on the cover, comprising a U-plate one and a U-plate two connected to form a frame structure; wherein, the U-plate two has a straight groove, which is connected to the operating mechanism for transmission. This utility model's switch transmission structure, in which the rotating transmission component controls the rotation of the switch's operating handle, drives the switch to open and close, is suitable for switches installed in reverse within cabinets, saving cabinet space, facilitating simple installation, and providing stable switch operation. The switch transmission structure facilitates reliable switch transmission, and during switch control, the transmission process is simple, operation is sensitive and convenient, and the cost is low, making it suitable for use in cabinet-mounted products in this field.

The utility model relates to the technical field of stationery, in particular to a flat staple stapler which comprises a base, a nailing structure, a pressing plate, a flat staple structure and a swing part. The nailing structure comprises a nail channel structure and a nail pressing structure hinged to the nail channel structure, the nail channel structure is provided with a nail groove and a nail outlet communicated with the nail groove, the nail pressing structure comprises a nail pressing plate, and the nail pressing plate is used for pressing staples out of the nail outlet; the pressing plate is hinged to the base and used for driving the nail pressing structure to press nails. The flat nail structure is arranged on the base and has an initial form, a paper penetrating form and a flat nail form; the swing part is provided with a connecting end and a swing end, the connecting end is hinged to the nail pressing structure, and the swing end is used for driving the flat nail structure to be switched from the paper penetrating state to the flat nail state; the swing piece further comprises an abutting portion, and the abutting portion is matched with the nail channel structure in an abutting mode. According to the flat staple stapler, the structure of the swinging part is changed, so that the swinging part stably drives the flat staple structure, and the file stapling smoothness is improved.

The utility model discloses a bottle blowing machine bottle preform arranging and fixed-distance conveying device which comprises a variable-distance base, a longitudinal sliding seat is longitudinally installed on the variable-distance base in a reciprocating sliding mode, a variable-distance screw extending longitudinally is further rotatably installed on the variable-distance base, a bottle preform clamping device for fixing or loosening a bottle preform is installed on the longitudinal sliding seat, and the variable-distance screw is connected with the longitudinal sliding seat. The bottle preform clamping device is provided with a protruding block clamped into a thread groove of the variable-pitch screw, the variable-pitch screw is driven to rotate through a rotation driving device, and threads of the variable-pitch screw are divided into an initial part with the minimum thread pitch, a transition part with the gradually-increased thread pitch and a fixed-distance part with the maximum thread pitch and the fixed distance. According to the device, the distance between the clamped bottle blanks can be automatically changed through rotation of the variable-pitch screw, it is guaranteed that the distance is accurately controlled, driving is stable, and the conveying efficiency is improved.

This utility model discloses a multi-joint motor drive module for a bionic robot, comprising a bionic robot body, five drive units, and a main control chip. The bionic robot body has at least one waist joint and four leg joints, each equipped with a motor. The five drive units are respectively connected to the motors at the waist joint and the four leg joints. Each drive unit has a control signal interface and a power output interface. The main control chip is disposed within the bionic robot body and is used to output multiple control signals to coordinate the movement of the motors at each joint. The control signal interface is electrically connected to the control pins of the main control chip and is used to receive forward rotation, reverse rotation, stop, and braking commands. The power output interface is electrically connected to the motors at the corresponding joints to drive the motors. This utility model aims to achieve flexible joint movement and posture adjustment in bionic robots.

The invention belongs to the technical field of lighting devices, and particularly relates to an LED lighting lamp easy to disassemble and assemble, which comprises a mounting base, a threaded sleeve is in threaded connection with the inner side of the mounting base, a supporting block is rotatably connected with the inner side of the threaded sleeve, an LED lamp panel is arranged on the lower side of the supporting block, and a plug is fixedly and electrically connected with the upper side of the LED lamp panel. The plug is fixedly connected with the supporting block, and the outer side of the LED lamp panel is electrically connected with a motor. The shielding frame and the arrow groove rotate to the contrast ground, so that the irradiation light forms a shadow with an arrow shape on the inner side on the ground to guide people to escape in a proper direction, downward rotation and upward recovery of the shielding frame can be realized through forward rotation and reverse rotation of the rotating strip, and the driving structure is relatively simple and convenient to operate. A large number of driving structures such as gear transmission rods are not used, the production difficulty and the production cost of the device are reduced, meanwhile, driving of the device is more stable and simpler, and the practicability of the device is improved.

This utility model provides a rideable paddy field ditching machine with adjustable auxiliary wheels, including a frame, a front wheel, and two auxiliary wheels. The front wheel is mounted on the front end of the frame via a reducer, and the two auxiliary wheels are mounted on both sides of the rear end of the frame. A lifting mechanism for raising and lowering the auxiliary wheels is also installed at the rear end of the frame. The lifting mechanism includes a gearbox, a pair of linkage groups, a pair of shock absorbers, and a lifting assembly. The gearbox is fixedly mounted on the rear end of the frame and located above the auxiliary wheels. The pair of linkage groups are mounted on the gearbox and located on both sides of the frame. One end of the shock absorber is connected to the linkage group on the same side, and the other end of the shock absorber is connected to the auxiliary wheel on the same side. The connecting end of the auxiliary wheel is connected to the linkage group on the same side. The lifting assembly is connected to one of the linkage groups. In this utility model, rotating the lifting handle releases the upper and lower locking rods from locking the gear linkage, and then rotating the gear linkage with the lifting handle releases the self-locking, thereby raising the auxiliary wheels.

The utility model provides a bean grinding device. The bean grinding device comprises a bean box assembly and a box cover assembly. At least two bean bins are arranged in a box body of the bean box assembly, and a first discharging opening is formed in the bin bottom of each bean bin. The box cover assembly comprises a first cover body and a second cover body, the first cover body is provided with a second discharging port, the first cover body is used for rotatably opening or sealing the first discharging ports of all the bean bins, the second cover body is provided with a third discharging port, and the second cover body is used for rotating to enable the third discharging port to be communicated with one of the first discharging ports; after the first cover body opens the first discharging ports, materials are discharged downwards through the bean bin communicated with the third discharging port. The interior of the box body is divided into a plurality of bean bins, the structure of the bean box assembly can be made compact as much as possible, a plurality of box bodies do not need to be arranged, the occupied space needed by the bean grinding device can be reduced, discharging can be conducted through different bean bins, and the purposes of rapidly switching materials with different flavors and mixing and matching different materials are achieved.

The invention discloses a hot-line work operating rod with an insulation damage early warning function. The hot-line work operating rod comprises a handheld part, an insulating rod assembly and an operating head. By arranging the insulating rod assembly, the hoop, the detection piece and the alarm flashing lamp, insulation damage early warning, adjustable detection and hot-line work operation are integrated, the insulating rod assembly is fixedly connected between the handheld part and the operation head, the basic operation function of hot-line work is achieved, the hoop is fixed to the surface of the insulating rod assembly through the bolt, and the detection piece is fixed to the surface of the insulating rod assembly through the bolt. The protruding rod on the inner side drives the detection piece to be attached to the surface of the insulating rod assembly, the detection piece is electrically connected with the alarm flashing lamp through a wire, the insulation state of the insulating rod assembly can be detected in real time, alarm is triggered when the insulating rod assembly is damaged, the transmission device on the left side of the hoop can drive the hoop to move up and down, and insulation detection of different positions of the insulating rod assembly is achieved. The operating rod can simultaneously meet multiple requirements of hot-line work operation, insulation damage early warning, omnibearing detection and the like, and is suitable for various hot-line work scenes.

The utility model belongs to the technical field of bridge engineering, and particularly relates to an integral anchoring guide rail type bridge seamless expansion device, which comprises a fixed end component, a fixed end component and a fixed end component, the sliding end assembly is fixedly arranged at the other end in the bridge parting, and the sliding end assembly is in sliding connection with the fixed end assembly; the liquid waterstop is arranged between the top end of the fixed end assembly and the top end of the sliding end assembly; and the rubber water stop assembly is arranged in the bridge parting seam and located between the bottom end of the fixed end assembly and the bottom end of the sliding end assembly. A guide rail type telescopic structure is adopted, the requirement for telescopic deformation of the bridge is met, meanwhile, a continuous seamless road surface is formed, and the bridge water stop structure has the advantages of being smooth in vehicle running, low in noise, good in water stop effect, good in durability and the like and is particularly suitable for urban bridges and bridges high in noise control requirement.

The application discloses a ejection mechanism and a mold, and relates to the technical field of injection molding. The ejection mechanism is used for ejecting products processed and formed by the mold. The ejection mechanism comprises a base, a grafting rod and a ejector rod. The base is connected to a driving plate of the mold. One end of the grafting rod is connected to the base, and the other end is connected to an end of the ejector rod. An end of the ejector rod away from the grafting rod is used for ejecting the products. The extension direction of the grafting rod is parallel to the extension direction of the ejector rod. The application solves the technical problem that the existing ejector rod is not easy to process due to the slender shape and is prone to deformation and fracture during use.

The utility model relates to an inductive control non-isolated constant current circuit which comprises an input protection rectification circuit, a filter circuit, an induction module power supply circuit, a PWM control circuit, a step-down constant current control circuit and an output filter circuit. The input protection rectification circuit converts commercial power into direct current and generates direct current bus voltage through the filter circuit. The induction module power supply circuit takes electricity from the direct current bus and provides a low-voltage power supply for the induction module. A PWM signal output by the induction module is converted into a threshold voltage signal of an ROVP pin of the constant-current control chip through the PWM control circuit, and a light source is controlled to start and stop through voltage comparison; the step-down constant-current control chip drives the light source to be on and off. According to the scheme, a non-isolated framework is adopted, and through voltage division power supply and a PWM-ROVP signal conversion mechanism, an independent power supply chip and a complex control circuit are omitted, the structural layout is simplified, the number of elements and the production cost are reduced, and the lamp size is reduced.

The invention discloses a wire ingot transfer structure and wire ingot transportation equipment. The wire ingot transfer structure comprises at least one moving assembly, and the moving assemblies are arranged on a mounting frame; the spindle blade is connected with the output end of the moving assembly, and the spindle blade is used for bearing a plurality of silk spindles; and the bidirectional driving assembly comprises a push plate and a power set, the push plate is arranged on the spindle blade in a sleeving mode, and the power set drives the push plate to move in the length direction of the spindle blade. According to the transfer structure, through the collaborative design of the mounting frame, the moving assembly (comprising the horizontal moving unit and the vertical moving unit), the spindle blade and the bidirectional driving assembly, automatic, accurate and flexible grabbing and placing of the silk spindles are achieved. The bidirectional driving assembly arranged in the lead screw is compact in structure, linear motion of the push plate is stable, and wire ingot loading and unloading are efficient. The transportation equipment integrates a transfer structure, a track, power, power supply, a host and a sensing module, and a complete automatic system is constructed. The electric rail-electric brush power supply realizes continuous power supply during movement; and the power module drives stably.

The utility model discloses a cat litter basin, include: main casing, main casing is equipped with the sand basin and the collection of following distribution along the first direction the warehouse, plough, be located in the sand basin, plough drive arrangement, including two mounting brackets and movement drive component, two mounting brackets along the vertical direction interval and opposite of first direction be equipped with the two sides of main casing, and mounting bracket and main casing are in first direction sliding fit, and the both ends of plough are connected to two mounting brackets respectively, movement drive component includes mobile motor, two gear sets and the transmission shaft of setting perpendicularly first direction, two gear sets are equipped with respectively in two mounting brackets, and mobile motor is equipped with on one mounting bracket, and the motor shaft of mobile motor is connected one gear set and the one end of transmission shaft, and the other end of transmission shaft is connected another gear set, and the opposite two sides of main casing parallel first direction all are equipped with the rack of extending along first direction, and two racks are engaged with two gear sets respectively. The utility model technical scheme, has promoted the driving stability of plough drive arrangement to plough.

This invention discloses a self-heating and cooling permanent magnet motor, comprising a body, an output shaft mounted on the outer wall of the body, and a cover with a clearance fit between the inner wall of the cover and the outer wall of the body. The inner wall of the cover is provided with a first round rod, and the inner walls of two gears are riveted to the outer walls of two second round rods respectively. The outer walls of the two gears are provided with gear rings, and the outer walls of the gear rings are welded to the inner wall of the cover. The top and bottom of the inner walls of the gear rings mesh with the outer walls of the two gears respectively. This self-heating and cooling permanent magnet motor allows the output shaft to rotate when the body is connected to an external power source, through the clearance fit between the groove block and the block, enabling the output shaft to drive the first round rod and the first fan blade to rotate. When the first round rod is in motion, it can also drive the vertical rod and the second round rod to rotate. After reinstallation, the output shaft can still stably drive the first round rod through the engagement of the block and the groove block.

The utility model relates to the technical field of industrial automation control and fluid control equipment, and discloses a valve actuator with high safety performance, which comprises a pipeline, the top of the pipeline is fixedly connected with an actuator shell, and a passive safety structure is arranged in the actuator shell. According to the valve actuator with the high safety performance, through a transmission system composed of a servo motor, a driving gear, a rack and a driven gear, the rotating motion of the motor is accurately converted into stable driving of the opening and closing action of the valve clack, and through an electromagnetic clutch mechanism composed of an electromagnet, a first spring and a clamping block, the safety performance is improved; reliable combination of power in a power-on state through the connecting block and instantaneous automatic release of power in power-off are achieved, through the second spring and the limiting block which are connected with the two ends of the rack, the rack can automatically buffer and reset to a safe position determined by the limiting block in the power-off or fault process, and therefore the valve clack is driven to return to a safe default state; and the intrinsic safety and reliability of the equipment are improved.

This invention discloses a filter plate for a filter press that facilitates the replacement of the diaphragm and filter cloth, relating to the field of diaphragm filter press technology. It includes an outer frame assembled from a filter plate and a second mounting plate. The outer frame contains a fixed plate, side plates on both sides of the fixed plate, and a filter cloth fixed to the side of the side plates away from the fixed plate. A diaphragm is disposed in the side plates between the fixed plate and the filter cloth. A pusher mechanism is symmetrically slidably disposed in the fixed plate. By incorporating the pusher mechanism, the distance between the pusher mechanism and the filter cloth can be adjusted before filtration in the filter press. When the distance decreases, the air-filling space in the diaphragm decreases, allowing the diaphragm to quickly fill with gas, thereby achieving rapid compression of the filter cake and improving the working efficiency of the filter press.

The utility model discloses a closed electric cylinder, including electric cylinder body, connecting assembly and sealing assembly, the connecting assembly includes the connecting column of ball screw bottom welding, and the rectangular groove and first circular hole that are set up respectively at the bottom and both sides of connecting column, the utility model discloses a closed electric cylinder, the connecting column of ball screw bottom and the rectangular pivot of servo motor upper end, under the clamping of both sides fixed clamps, can carry out convenient fixed connection, and then to ball screw carries out the steady drive, connecting assembly is convenient for electric cylinder body internal component assembly simultaneously, also is favorable to the dismounting overhaul of electric cylinder body internal component damage, the sealing ring of clamping between electric cylinder body bottom and servo motor and the sealing cover of electric cylinder body top sleeve outer end installation, also can keep servo motor, sleeve and the connecting sealing property between electric cylinder body, and then keep the closure of electric cylinder body inside to the outside world.

The utility model relates to the relevant technical field of furniture, and provides a rhythm rack and rhythm furniture, the rhythm rack comprises a fixed underframe, a rhythm support and a driving mechanism, the rhythm support is movably arranged on the fixed underframe, a transmission structure is arranged on the rhythm support, and the driving mechanism comprises a driving part and a driving motor. An output shaft of the driving motor is fixedly connected with the driving component so as to drive the driving component to rotate, the driving component is provided with a plurality of driving positions, and the driving positions are in transmission fit with the transmission structure; wherein at least two distances exist between the multiple driving positions and the rotating center line of the driving part, one distance is A1, the other distance is A2, and A1 is larger than A2. By arranging the A1 and the A2, the driving position corresponding to the A1 and the driving position corresponding to the A2 are switched and matched with the transmission structure, the rhythm support can be driven to reciprocate relative to the fixed bottom frame, the driving mechanism is smooth during driving, the structure is simple, installation and operation are convenient and fast, and the assembling efficiency is effectively improved.

The utility model provides a steel gate with a locking mechanism, which relates to the field of steel gates and comprises a gate frame, a gate plate is slidably connected to the inner side of the gate frame, detection assemblies are arranged on the inner walls of the two sides of the gate frame, a driving assembly is arranged at the top of the gate frame, a locking device is arranged at the upper end of the gate plate and comprises a locking rod, and the locking rod is connected with the gate plate. A connecting rod is connected to the upper end of the gate plate, a hanging ring is connected to the upper end of the connecting rod, a steel cable is connected to the upper end of the hanging ring, the driving assembly comprises a sealing box, a winding drum and a motor are arranged in the sealing box, the upper end of the steel cable is wound around the winding drum, the detection assembly comprises a locking groove, and a buffer block is arranged in the locking groove. Meanwhile, a pressure sensor is arranged at the lower end of the cushion plate. The locking device has the advantages of being stable in structure, stable in work, long in service life and capable of conveniently protecting the driving assembly after locking.

The utility model belongs to central air conditioning ventilation pipeline technical field, and disclose an energy -saving central air conditioning ventilation pipeline wind power distribution equipment, including central air conditioning main part, the side surface of central air conditioning main part is installed ventilation pipeline, the surface of ventilation pipeline is installed and follows component, the flow guide plate is followed to the component and includes the flow guide plate, the air outlet of ventilation pipeline is connected with a plurality of flow guide plates rotationally, the top of flow guide plate installs movable link, one end of movable link penetrates the air outlet of ventilation pipeline and is rotationally connected in the air slot of ventilation pipeline upper surface opening, the surface of movable link is installed gear, the air slot of ventilation pipeline upper surface opening has the rack plate of sliding connection in, the utility model discloses can make the direction of wind direction automatic following crowd activity, avoid the wind direction and crowd between and present the big staggered position, further improve the use experience of central air conditioning.

The utility model relates to the technical field of automobile door, especially relates to a kind of outside turning door handle, including pedestal, handle assembly, gyro wheel, actuating mechanism, elastic reset piece, unlocking switch element and unlocking swing arm, handle assembly includes handle and the handle swing arm located at both ends of handle, handle swing arm is rotatably connected with pedestal, and connecting rod is connected between two side handle swing arms;Gyro wheel is rotatably connected on connecting rod;The output end of actuating mechanism is connected with driving cam, the cam surface of driving cam is contacted with gyro wheel, for driving handle assembly to turn outside;Elastic reset piece is arranged between handle assembly and pedestal;Unlocking switch element is installed on pedestal;Unlocking swing arm is rotatably connected on pedestal, unlocking swing arm is rotated and triggers unlocking switch element by handle swing arm, the utility model sets up the driving position of driving mechanism in the middle position of connecting rod, and force is evenly distributed, and gyro wheel is set on connecting rod and cooperates with cam, reduce friction, and driving process is smooth.

The utility model discloses a winding device for preparing nanometer functional fiber materials, which belongs to the technical field of winding devices and comprises a base, mounting seats are arranged on two sides of one end of the top of the base, a support frame is movably connected to the tops of the mounting seats, a hydraulic cylinder is arranged on the other sides of the mounting seats, and a driving groove is formed in one side of the top of the support frame. A driving groove is formed in the supporting frame, a notch is formed in one side of the driving groove, a driving gear and an auxiliary supporting wheel are arranged on the two sides of the bottom end of the interior of the driving groove, a winding roller is arranged between the two supporting frames, and tooth grooves are formed in the peripheries of the two ends of the winding roller. The driving motor, the chain wheel, the chain and the transmission shaft are used for conducting synchronous driving, driving of the winding roller is achieved through cooperation of the driving motor, the chain wheel, the chain and the transmission shaft and the tooth grooves in the winding roller, then the hydraulic cylinder arranged on the installation base is matched, the hydraulic cylinder is used for pushing the supporting frame to overturn around the hinged position, and therefore the purpose of taking and placing the winding roller is achieved, and the convenience of disassembling and assembling the winding roller is greatly improved.

The present invention relates to a method for activating a lithium secondary battery comprising a positive electrode, a negative electrode, and an electrolyte, in which the lithium secondary battery comprises a positive electrode active material made of a lithium metal oxide containing manganese in an amount of 50 mol% or more but less than 100 mol% based on the total metal content excluding lithium, the method includes activating the lithium secondary battery by a CC-CV charging method in which constant current (CC) charging is performed until a specified state of charge (% SOC) is reached, and then constant voltage (CV) charging is performed, in which the CC-CV charging of the activation step ends at a point in time at which an activation charging depth defined by the following mathematical formula 1 becomes 5.17% to 15.00%, [Mathematical formula 1] Depth of charge for activation (%) = (charge capacity for CV charge interval / total charge capacity for activation step) * 100.

The invention provides an anchor windlass with double locking, which relates to the technical field of ships, and comprises a base, a transmission shaft, a synchronous driving mechanism, a buffer locking mechanism, a double brake mechanism and a cable winding drum, the device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, a bilateral synchronous driving structure is adopted to drive the cable winding drum to rotate, cable winding, cable unwinding, anchor weighing and anchor dropping operation can be stably achieved, driving is stable, and the transmission efficiency is high; a buffer energy absorption structure is arranged in the braking process, braking impact can be effectively absorbed, damage to equipment caused by rigid impact is avoided, abrasion of parts is remarkably reduced, and the overall service life of the anchor and mooring equipment is prolonged; a double-locking structure is adopted, locking is achieved from the power input end and the cable winding drum output end, locking is reliable and stable, the problems of locking failure, slipping and the like can be effectively solved, and the safety of ship berthing and operation is greatly improved.