651results about How to "Realize opening and closing" patented technology

The invention discloses a power distribution cabinet monitoring system and a method. The system comprises a fault detection module, an intelligent fire protection module and a main control platform. The fault detection module is used for real-time data monitoring and fault analysis for a power distribution cabinet, the main control center is used for receiving the fault information of a power device, according to the fault position, an alarm module A is started to control the intelligent fire protection module to start an alarm unit B and a fire protection control unit, the execution mechanism at the field of the power distribution cabinet is controlled to control the automatic regulation of the temperature and the humidity at the internal portion of the power distribution cabinet, on-off of the loop power supply of the power distribution cabinet and the automatic switch-on of the fire protection device are controlled. The multi-level fault analysis and monitoring from the operation condition of the power equipment to the microenvironment of the cabinet and the like are achieved, and multiple detection modes are set through multi-level fault early warning and flexible threshold values, so that potential crisis can be timely found, and meanwhile, the power supply of the power device in the power distribution cabinet can be controlled to be switched on and off and the fire protection device can be controlled to be switched on and off according to the fault warning, so that the bidirectional development of monitoring quantity and control quantity is balanced.

The invention discloses a four-degree-of-freedom pneumatic manipulator, which can realize motion of multiple forms and has the advantages of simple structure, convenience for operation and the like. The structure of the pneumatic manipulator consists of a metal plate base, a horizontal moving cylinder, a horizontal moving slide block, a horizontal moving guide rod, a vertical lifting cylinder, a vertical lifting slide block, a vertical lifting guide rod, an integral rotating cylinder, a bearing cover, a horizontal tray, a vertical tray, a rotating shaft and the like; the integral rotating cylinder is fixed below the metal plate base; the rotating shaft is fixed by the bearing cover, and the rotating shaft is connected with the vertical lifting cylinder through the horizontal tray; the vertical lifting guide rod is also fixed on the horizontal tray; the vertical lifting slide block is arranged on the vertical lifting guide rod, and the vertical lifting slide block is connected with the horizontal moving slide block; the horizontal moving slide block is arranged on the horizontal moving guide rod; the horizontal moving guide rod is fixed on the vertical tray; and the vertical tray is connected with the horizontal moving cylinder.

The invention relates to a transformer substation intelligent patrol robot with mechanical arms and a patrol method thereof. The patrol robot comprises a walking chassis, patrol equipment and a control module (14). The patrol equipment is installed on the walking chassis. The control module (14) is connected with the walking chassis and the patrol equipment. The patrol robot further comprises the two mechanical arms which are symmetrically installed on the two sides of the walking chassis. The mechanical arms are both connected with the control module (14). Compared with the prior art, the intelligent patrol robot is capable of achieving patrol and meanwhile capable of removing foreign matter and controlling on and off of mechanical switches through the mechanical arms, thereby having a high intelligent level.

The invention relates to a radial whole retractable roof structure. The radial whole retractable roof structure comprises movable roofs, transmission connecting rods and fixed roofs. A whole retractable roof only has one degree of freedom and is radially wholly opened and closed in the opening and closing processes, the movable roofs are connected together through the transmission connecting rods to form a whole, the movable roofs move along rails arranged on the fixed roofs through universal balls to achieve the retractable functions. A variable height intersection truss system is adopted in the movable roofs to form a space stress structural system, and then the dead weight of the movable roofs is reduced. The rails are of a circular arc shape and reasonably arranged, and therefore the rails are prevented from being exposed out of a visual field when the roof is opened. Joints for connecting the movable roofs, the transmission connecting rods and the universal balls are designed, and rotation between the movable roofs and the transmission connecting rods can be achieved to further achieve the retractable function. The radial whole retractable roof structure is novel in retractable mode, reasonable in structure stress, convenient to drive and control, and good in application prospect.

A minimally-invasive endoscope operating forcep head comprises a first forcep arm, a second forcep arm, a first pin shaft, a second pin shaft and a pulling-pushing shaft. The head of the first forcep arm is designed to be a first driven tooth piece. The head of the second forcep arm is designed to be a second driven tooth piece. The tail end of the pulling-pushing shaft is designed to be a driving rack. The first pin shaft and the second pin shaft are arranged on the base circle centers of the first driven tooth piece and the second driven tooth piece respectively. The head of the first forcep arm and the head of the second forcep arm are connected with the first pin shaft and the second pin shaft in a sleeved mode respectively. The first driven tooth piece and the second driven tooth piece are both meshed with the driving rack. According to the minimally-invasive endoscope operating forcep head, the direct proportion relationship between forcep opening clamping force and operation force can be achieved, an operator can sense and control magnitude of clamping force accurately, and operation safety is improved.

The invention relates to a secondary locking device for a hopper car bottom gate and a hopper car. The secondary locking device is used for the secondary locking of the bottom gate of a railway hopper car; the railway hopper car comprises a bottom gate and a primary locking device; the secondary locking device comprises a hook component; the hook component is mounted on a car body except the bottom gate through a pivot and can pivotally rotate along a car body; the first side of the hook component comprises a guide part and a locking part; the locking component is suitable for matching with the hopper car bottom gate in a locking manner to exert upward lifting force on the bottom gate, and the guide component is suitable for guiding the hook component and the hopper car bottom to be changed into a locking state from a releasing state; one end of a spring unit is connected with the second side of the hook component; the second side and the first side are respectively located on the two sides of the pivot; the other end of the spring unit is connected with the other car body part except the bottom gate and used for exerting force on the hook component. By adopting the above mode, secondary locking is realized, and the safety of the hopper car is improved.

The invention discloses a high-light efficiency sunlight greenhouse. The greenhouse comprises a back wall body, wherein a back slope face is arranged on the upper part of the back wall body; a plurality of frameworks are arranged between the upper end of the back slope face and the ground; and a folding non-transparent heat-preserving layer and a folding transparent heat-preserving layer are arranged below the frameworks and are glidingly connected with the frameworks respectively. The greenhouse can be bidirectionally rotated through the power of a transparent heat-preserving layer rope reel and a non-transparent heat-preserving layer rope reel, so the transparent heat-preserving layer or the non-transparent heat-preserving layer is opened or closed by pulling a hanging post through a digging rope. The greenhouse can acquire daylight and preserve heat; temperature can be increased and photosynthesis can be enhanced under weak light; and the greenhouse performance and the ability of resisting adverse weather are greatly improved.

The invention provides a flowerpot soil filling device for a plug seedling automatic transplanting machine. The flowerpot soil filling device includes a soil feeding device, a guide device and an air cylinder mounting plate, wherein one side of a sliding block of the guide device is connected with soil retaining plates of the soil feeding device through connecting plates; the piston of an air cylinder is connected with the soil retaining plates of the soil feeding device through connecting plates; the air cylinder drives the soil retaining plates of the soil feeding device to open the soil feeding device; after the flowerpots are filled with soil, the air cylinder drives the soil retaining plates of the soil feeding device to close the soil feeding device; then, a conveying device drives a tray to move forwards; empty flowerpots can be continuously placed on the conveying device to realize continuous operation of flowerpot soil filling. The soil filling device provided by the invention is an important part of the automatic transplanting production line; a clean, safe and reliable pneumatic device is used as a power source, continuous operation is realized, the working efficiency and stability are high, labor saving is realized, and the automation degree of the transplanting and the transplanting efficiency are improved.

The invention discloses a radially retractable roof structure, which comprises a radially retractable net frame. A single-freedom-degree circular connecting rod mechanism is arranged outside the radially retractable net frame and comprises equilateral n-side polygon rod combination consisting of n straight rods connected end to end, wherein the n is not smaller than 3 and not larger than 720, each straight rod is provided with a connecting rod mechanism unit, and each connecting rod mechanism unit consists of an internal parallelogram mechanism and an external parallelogram mechanism. The radially retractable roof structure has the advantages that the roof is retracted by effect of the radially retractable net frame. During retraction of the roof, the equilateral n-side polygon rod combination outside the radially retractable net frame is fixed, supporting points on the equilateral n-side polygon rod combination of the radially retractable roof structure cannot be subjected to radial movement during radially retracting process of the roof structure, and thus, supporting conditions are simplified. In addition, since the roof is driven to retract by the aid of the single-freedom-degree circular connecting rod mechanisms, the quantity of driving devices is reduced.

The invention provides a permanent-magnet vacuum circuit breaker switch, which comprises a permanent-magnet operation mechanism, a vacuum embedded pole, a main shaft and a switch frame body. When a closing solenoid coil is powered on by a vacuum circuit breaker controller, a movable iron core push rod assembly is drawn to adhere to a closing iron core under the effect of the magnetic field attraction force. Meanwhile, the action of a magnetic field is generated by the movable iron core push rod assembly and a permanent magnet, so that the movable iron core push rod assembly is actuated to extend towards a closing end. The main shaft is driven to rotate by an output transition connecting lever assembly, and then the pull-rod connecting lever of the main shaft pulls an insulated pull rod in the upward linkage manner. In this way, the closing state is realized. The opening state can be realized on the contrary. According to the technical scheme of the permanent-magnet vacuum circuit breaker switch, the outer shell and the vacuum explosion chamber of the embedded pole are made of an insulating medium, so that the dual insulation arc-extinguishing effect is realized. No existing mechanical type operating mechanism is adopted, so that the number of transmission members is reduced. The opening / closing state of the permanent-magnet vacuum circuit breaker switch is controlled based on the manual operation of a cam mechanism or a vacuum circuit breaker controller of a permanently magnetic mechanism.

The invention discloses a wireless fire hazard alarm system with a WiFi function. The system comprises a fire hazard detector, a combustible gas detector, a relay, a fire hazard alarm controller, a wireless router and a mobile terminal, wherein the fire hazard alarm controller is connected with a fire-fighting fire-extinguishing device, the combustible gas detector is connected with a combustion shutdown valve, and the fire hazard detector, the combustible gas detector, the relay and the fire hazard alarm controller each carry a WiFi module and form a WiFi network. The detectors successively send the state of each detector and fire hazard and combustion gas leakage information to the relay and the fire hazard alarm controller; the relay or the fire hazard alarm controller sends the state of each detector and the fire hazard and combustion gas leakage information to the wireless router; the wireless router carries out bidirectional communication with the mobile terminal; the mobile terminal is internally provided with a remote monitoring APP; and the state of each detector and the fire and combustion gas leakage information are displayed through the remote monitoring APP and various control signals are emitted through the remote monitoring APP so that control over the fire-fighting fire-extinguishing device and the combustion shutdown valve is realized.

The invention provides a chute type multi-arm clamp, which comprises: a handle, a catheter, a clamping portion, a spring tube and a control line. In practical applications, an operator applies axial thrust and tension to the handle to drive the control line to achieve opening / closing and locking of the clamping portion. Moreover, a side clamp arm and a clamp seat in the clamping portion can be easily separated from the catheter or the spring tube to stay in the human body to achieve the function of hemostasis and tissue suture. The chute type multi-arm clamp can achieve the shortest length ofthe instrument retained in the human body by the cooperation of the side clip arm and the clip holder, the movable chute structure on the side clamp arm can realize accurate and repeatable opening andclosing, and can simplify the operation and improve the success rate.

The invention provides a door lock control system and a door lock control system control method, the door lock control system comprises a door lock actuator, a control module, a power supply module, a sound detection module, a camera module, a keyboard input module, a touch screen module, a voice module, a storage module and a clock module, the sound detection module is used for detecting sound and outputting a feedback signal to the control module, the camera module is used for obtaining an image signal and outputting the image signal to the control module, the keyboard input module is used for inputting a first cipher signal to the control module, the touch screen module is used for receiving a display signal outputted by the control module and inputting a second cipher signal to the control module, the voice module includes a first microphone and a sound production module, the first microphone is used to obtain a voice signal and store in the voice module, and the sound production module is used for receiving a voice control signal outputted by the control module and producing a sound. The door lock control system control method is conductive to saving resources and providing a user a more convenient and safer door lock.

The invention discloses egg roll processing equipment. The egg roll processing equipment comprises a baking plate mechanism, a baking plate circulating mechanism and an egg roll forming mechanism, wherein the baking plate mechanism comprises a plurality of baking plates which are provided with grouting positions and rolling positions and used for making egg roll wrappers from a slurry dripping onto the baking plates by a grouting mechanism; the plurality of the baking plates are fixedly arranged on the baking plate circulating mechanism; the baking plate circulating mechanism drives the bakingplates to circularly rotate and controls the baking plates to be opened and closed; and the egg roll forming mechanism is arranged at the rolling positions and used for rolling egg roll wrapper on the baking plates to form egg rolls. The egg roll processing equipment provided by the invention comprises the grouting mechanism, the baking plate mechanism, the baking plate circulating mechanism, theegg roll forming mechanism and a discharging mechanism; automatic production of egg rolls is achieved; and the production efficiency is greatly improved. The baking plate mechanism is fixedly arranged on the baking plate circulating mechanism; opening and closing of the baking plates are achieved under driving of the baking plate circulating mechanism; the baking plate mechanism is matched with the grouting mechanism to make the egg roll wrappers; and the consistency of the egg roll wrappers is effectively improved.

The invention provides an oil supply device. The oil supply device comprises a rotary part (2) and a back pressure oil pool (21) arranged at the lower end of the rotary part (2) and further comprises an oil supply channel (15) which is arranged in the rotary part (2) and can communicate the back pressure oil pool (21) with the upper end face of the rotary part (2) and a control mechanism which is arranged in the oil supply channel (15) and can control opening and closing of the oil supply channel (15) or adjust the opening degree of the oil supply channel according to the rotary speed of the rotary part (2). By means of the oil supply device, the oil supply amount of especially the scroll compressor can be controlled; the oil supply amount can be adjusted according to the rotary speed of the rotary part, especially the rotary speed of a kinetic scroll plate of the scroll compressor; therefore, the oil supply device does not need applying of driving force, and the opening and closing of the oil supply channel can be achieved by means of the speed change of the rotary part. The invention further relates to the scroll compressor with the oil supply device and a control method.

The invention discloses a two-stage pressure-type hydro-pneumatic spring in a vehicular suspension system and a working method thereof. An inner cylinder barrel is coaxially nested in an outer cylinder barrel, a cylindrical piston rod coaxially extends upward from the bottom of the inner cylinder barrel into the inner cylinder barrel, a first floating piston ring is hermetically and slidably connected between the inner wall of the outer cylinder barrel and the outer wall of the inner cylinder barrel, an outer cavity of a rodless chamber filled with an oil liquid is formed in space above the first floating piston ring, and a second stage gas chamber filled with high pressure gas is formed in space below the first floating piston ring; a damper valve assembly is coaxially connected to the top of a central hole of the piston rod, a second floating piston which is hermetically and slidably connected to the inner wall of the piston rod is arranged below the bottom of the damper valve assembly, and a first stage gas chamber is formed in space between the second floating piston and the bottom of the piston rod. The two gas chambers are separately arranged, and a rigid valve body moves to open and close the damper valve assembly, so that the service life of the hydro-pneumatic spring is effectively prolonged.

The invention provides a rotating shaft device and electronic equipment. The rotating shaft device is arranged between a first body and a second body and is used for achieving opening and closing of the first body relative to the second body, and the rotating shaft device comprises a first rotating shaft and a twisting force superposition assembly; and the first rotating shaft is used for providing first twisting force, the twisting force superposition assembly is used for providing second twisting force, and the second twisting force and the first twisting force are combined. When only the first rotating shaft is used for providing the first twisting force, the twisting force is small and greatly differs from the gravity of the second body, and therefore the first body is conveniently opened relative to the second body; and when the second twisting force provided by the twisting force superposition assembly and the first twisting force provided by the first rotating shaft are combined, the twisting force is large and can achieve the function needing the larger twisting force, and therefore the rotating shaft device facilitates opening and closing of the first body relative to thesecond body, and meanwhile, the requirement for achieving the function with the larger twisting force is met.

The invention provides a multifunctional dining table and belongs to the technical field of tables. The multifunctional dining table solves the problems that an existing dining table is poor in heating effect and has no refrigerating and freshness retaining function. The dining table comprises a table board and a base for supporting the table board; an inner cavity is formed in the table board; the upper end of the inner cavity is open; a lifting plate is horizontally arranged in the inner cavity; a driving source for driving the lifting plate to go up and down is further arranged on the base; an air inlet is formed in the lateral wall of the inner cavity; an air supplying assembly for blowing hot air or cold air to the air inlet is formed in the table board; an air guiding cover is fixedly arranged on the lateral wall of the inner cavity; the air guiding cover comprises an air guiding flange; a venting notch is formed in the air guiding flange; a plurality of air guiding pieces are sequentially arranged, along the circumferential direction of the lateral wall of the inner cavity, from the position of the venting notch, on the lateral wall of the inner cavity, and an opening sealing assembly for sealing the opening at the upper end of the inner cavity is further arranged at the upper portion of the table board. According to the multifunctional dining table, a heating and insulating effect on a meal is improved. Furthermore, the multifunctional dining table has a freshness remaining function on the meal.

Disclosed is a novel floater type liquid level automatic control device which comprises a floater, a long arm, a sliding barrel, a sliding rod, a shift rod, a shift rod cavity and a power switch. The novel floater type liquid level automatic control device is characterized in that one end of the long arm is connected with the floater, and the other end of the long arm is connected with the sliding rod; a slide way rod is arranged on the sliding rod, and a slide way corresponding to the slide way rod is arranged in the sliding barrel so that the sliding rod can vertically slide in the sliding barrel; a prodding rod which is used for prodding the shift rod is arranged on the sliding rod; a vertical shift block is arranged on the shift rod and used for shifting the power switch; and the power switch is connected with an electric device which supplies water for a water tank. A prodding rod sliding hole is opened on one side of the sliding barrel so that the prodding rod can perform upward and downward prodding along the prodding rod sliding hole during operation of the device to drive the shift rod to move upwards and downwards; and the vertical shift block is arranged on the shift rod and is capable of driving the power switch to be opened and closed to automatically control liquids. The novel floater type liquid level automatic control device has the advantages of being simple in structure, cheap, good in power transmission effects and control effects and capable of being widely used for storing water and controlling the liquids in rural areas, cities and the like.

The invention discloses a vacuum quantifying tank which comprises a cylinder, a bearing seat and a tank body which are sequentially connected in series in a sealed manner, wherein the cavities of the bearing seat and the tank body are communicated to form a vacuum cavity; a vacuum port connector is arranged on the bearing seat, so that the vacuum degree of the vacuum cavity is controlled; a tank hole is formed in the bottom of the tank body; a valve core for sealing the tank hole is arranged inside the cavity of the tank body; the piston rod inside the cylinder is connected with the valve core; the piston rod drives the valve core to move upwards and downwards so as to control the tank hole to be opened and closed. By adopting the vacuum quantifying tank, automatic sucking and automatic pouring of stoste are achieved by controlling the vacuum degree of the vacuum cavity and the working state of the cylinder in the vacuum quantifying tank, the stoste can be conveyed in a sealed manner, the cleanliness degree is high, and the stoste is effectively prevented from being oxidized.

The invention provides an industrial detonator boxing manipulator. The horizontal cylinder bracket, slide rail and shift fork bracket in the mechanism are fixed on the frame, the horizontal cylinder is installed on the horizontal cylinder bracket, and the horizontal moving plate is driven by a push plate along the The slide rail moves, the lifting cylinder A bracket is installed on the lateral moving plate, the lifting cylinder A is installed on the lifting cylinder A bracket, and its front end is connected with the lifting cylinder B bracket, and the lifting cylinder B is installed on the lifting cylinder B bracket, and its front end is passed through the pendulum. The cylinder mounting plate is connected with the swing cylinder to realize the lifting and rotation of the detonator; the upper end of the magnet box is connected with the swing cylinder, and the magnet lifting cylinder is installed in the magnet box, and is connected with the magnet through the magnet mounting plate to realize the grasping of the detonator; The air cylinder is installed on the shift fork bracket, the front end of which is installed with a shift fork opening plate, the upper end of the shift fork is installed on the shift fork support, and the lower end is placed in the sliding groove on the shift fork opening plate, so as to realize the expansion of the tongue of the carton and facilitate the installation. box.

The invention relates to a construction method for a pile-head-expanded bored pile. The construction method mainly comprises the steps of construction preparation, manufacturing of a two-steel-pipe pipe casing, burying of the two-steel-pipe pipe casing, preparation of slurry, forming and cleaning of a hole, hoisting of a reinforcement cage, pouring of underwater concrete, treatment of a pile head and the like. The construction method is convenient to construct, and can flexibly guide emission of the slurry and resource utilization of super-fluid concrete, and the later pile cutting procedure is eliminated, so that damage to a pile body caused by the later pile cutting procedure is avoided. The construction speed is high, and the cost is greatly lowered.

The invention discloses a flue gas purifying system and a method. The system comprises a feed bin, a reaction tower and a deduster, wherein, the feed bin is used for transporting the garbage to a garbage incinerator when the garbage amount meets the primary combustion amount of the garbage incinerator; the reaction tower is connected with the garbage incinerator by a pipeline to be used for the flue gas to react with the lime slurry ejected from a rotary sprayer; the deduster is connected with the reaction tower by the pipeline to be used for dedusting of the flue gas treated by the reaction tower. The system of the invention is high in safety, simple in operation, high in purification efficiency and durable in use.

The invention discloses an intelligent biomimetic multifunctional robot crocodile which comprises a head unit, a body unit, leg units and a tail unit. The head unit is connected with a waterproof digital motor to realize opening and closing of the mouth of the robot crocodile and shaking of the head thereof. The body unit is provided with a control device and a buoyancy regulating device which are used for changing the center of gravity of the robot crocodile so as to realize floating and sinking of the robot crocodile. The leg units are arranged on the left outer side and the right outer side of the body unit, consist of digital motors and U-shaped components and are used for completing moving of the robot crocodile in four directions. The tail unit comprises at least one L-shaped component, three U-shaped components, a tail-fin simulated soft rubber plate and digital motors corresponding to the U-shaped components and is used for realizing dynamic simulation of flexibility of the tail of the crocodile. The biominetic robot crocodile has high adaptability to environments, simple structure, reliable performance and flexible movement capacity, is amphibious, is integrated with functions of remote control, environment monitoring and the like, and can complete environment detection of water sources and eliminate inconvenience and risks caused in the conventional underwater operation.

The invention discloses a stone crushing machine for civil engineering. The stone crushing machine comprises a platform, wherein a stone crushing cylinder is fixedly arranged on one side of the top end of the platform; a feeding opening is formed in one side of the stone crushing cylinder, and a bearing plate arranged at the feeding opening is installed on the inner wall of the stone crushing cylinder; a second hydraulic machine is arranged at the top of the bearing plate, and one end of a hydraulic rod of the second hydraulic machine is fixedly connected to one end of a stone crushing head. According to the stone crushing machine, by arranging three stages of stone crushing operation, excessively large stones can be crushed and enabled to be smaller step by step through the three stone crushing operations, and the stones are broken one by one; a fourth motor drives a feeding table to move up and down, and when the feeding table rises to a suitable height, the hydraulic rod is controlled to extend by a third hydraulic machine to drive a push plate to push the stones to complete the movement of the stones; and the first hydraulic machine drives a bottom plate to slide inside a sliding groove to realize opening and closing of the stone crushing cylinder, after crushing is completed, the bottom plate is opened to complete discharging, and a conveyor belt receives and conveys the stones.

The invention discloses a transformer silicon steel sheet shearing and stacking machine, and relates to the technical field of transformer silicon steel sheet manufacturing equipment. An unwinding device, a supporting device and a conveying guide channel of the machine are sequentially connected, and the conveying guide channel is provided with a transverse shearing device, a V-shaped shearing device and a punching device. The conveying guide channel is connected with reverse suction and material arranging devices, and initial positioning devices and fine positioning devices are arranged on the lateral sides of the reverse suction and material arranging devices. Carrying devices are arranged above the initial positioning devices and the fine positioning devices, and a stacking table deviceis arranged between the fine positioning devices. The machine has the advantages that after silicon steel sheets are cut, the assembling process is directly started, the intermediate manual carryingand material arranging procedures are omitted, the labor intensity is reduced, few circulation links are needed, the damage to the silicon steel sheets is reduced, the placement time is short, rust isavoided, shearing, stacking and assembling are integrated, the production floor area is reduced, the energy consumption is reduced, the production efficiency is improved, corresponding distance adjustment can be carried out on silicon steel sheet iron cores with different specifications, and the application range is wider.

An electric small door actuator assembly on a vehicle refueling tank cover or a charging tank cover comprises: an actuator shell provided with an inner cavity, a drive mechanism which provides power, an electric control device which is used for controlling the operation of the drive mechanism and is electrically connected to a driving computer, an output device which is used for driving a refueling tank cover or a charging tank cover to be opened and closed, a self-locking transmission mechanism, wherein an input end of the self-locking transmission mechanism is in transmission connection to the drive mechanism, the output end of the self-locking transmission mechanism is connected to the output device, and the self-locking transmission mechanism has a reverse self-locking function, and a clutch mechanism which is connected between the transmission mechanism and the output device and has a separation state and a connection state. When the clutch mechanism is in a joint state, the drive mechanism can drive the refueling tank cover or the charging tank cover to be opened and closed through the output device. The refueling tank cover or the charging tank cover is manually pressed to apply a certain torsion force, so that the clutch mechanism can be switched from a joint state to a separation state, the reverse self-locking function of the self-locking transmission mechanism is relieved, and the refueling tank cover or the charging tank cover is manually opened and closed.

The invention relates to a hydraulic-control micro-valve gas supply reversing device based on magnetic drive and a use method of the hydraulic-control micro-valve gas supply reversing device based on magnetic drive and belongs to the technical field of precise measuring devices. According to the hydraulic-control micro-valve gas supply reversing device based on magnetic drive, the bottom of a valve body is provided with a gas inlet, the top of the valve body is symmetrically provided with a gas outlet I and a gas outlet II, the gas inlet communicates with the gas outlet I and the gas outlet II through a micro-channel, a magnetic liquid drop is located in the micro-channel, the width of the magnetic liquid drop is larger than that of the gas inlet, the gas outlet I and the gas outlet II, the depth and the width of the magnetic liquid drop are equal to the depth and the width of the micro-channel correspondingly, the magnetic liquid drop can move in the micro-channel, so that the gas outlet I or the gas outlet II is blocked, when the magnetic liquid drop blocks the gas outlet I or the gas outlet II, the magnetic liquid drop does not block the gas inlet, and an electromagnetic coil I and the electromagnetic coil II are arranged on the two sides of the valve body correspondingly. By the adoption of the hydraulic-control micro-valve gas supply reversing device based on magnetic drive and the use method of the hydraulic-control micro-valve gas supply reversing device based on magnetic drive, the electromagnetic coils are controlled to generate a magnetic field so that the magnetic liquid drop can be controlled to move, and therefore the micro-valve reversing function is achieved; non-contact type drive can be achieved, the reliability is high, and implementation is easy.

The invention discloses an automatic yarn package device for a mucilage glue yarn cake with long yarns. The automatic yarn package device for the mucilage glue yarn cake with the long yarns comprises a yarn cake conveying device and a yarn cake jacking device, wherein the yarn cake jacking device comprises a pushing plate which moves up and down. The automobile yarn package device for the mucilage glue yarn cake with the long yarns further comprises a bagging device and a packaging device. The yarn jacking device is placed at one end of the yarn cake conveying device, the packaging device is placed on the pushing plate, and the bagging device is placed between the pushing plate and the packaging device. The automatic yarn package device for the mucilage glue yarn cake with the long yarns can automatically package the yarns of the yarn cake which is automatically, continuously ad reliably produced by a spinning machine, manual operation is greatly reduced, labor intensity and labor cost are reduced, product quality and work efficiency are improved, and automation and continuity of yarn packaging of the yarn cake can be well achieved.