37results about How to "Automatic protection" patented technology

The invention discloses a screw tap overload protection device. The screw tap overload protection device comprises a knife handle, wherein a transmission sleeve is sleeved outside the knife handle in a sliding manner; the conical bottom part of the knife handle extends out of the bottom of the transmission sleeve; a waist-shaped slot is arranged on the knife handle; a bolt passes through the transmission sleeve and extends into the waist-shaped groove of the knife handle to connect the transmission sleeve and the knife handle; a nut sleeve is sleeved outside the transmission sleeve; a screw tap chuck is mounted below the transmission sleeve in the nut sleeve; a square hole is arranged in the middle of the screw tap chuck; the two sides of the upper end of the middle square hole in the screw tap chuck are provided with an adjusting screw respectively; the inner side of each adjusting screw is provided with a steel ball; a compression spring sleeved on each adjusting screw exactly pushes against the corresponding steel ball; multiple small holes are uniformly arranged on the periphery of the upper end surface of the screw tap chuck; the lower end of the transmission sleeve is provided with a plurality of strip holes dead against the multiple small holes; and a ball column pushed by the corresponding compression spring is mounted in each strip hole. The screw tap overload protection device disclosed by the invention can automatically protect a screw tap and avoid the screw tap from being broken under the condition that the torque of the screw tap is increased, thereby reducing the production cost.

The invention relates to a fuel economizer of a rich oxygen type fuel engine controlled by a single chip. The single chip is provided with four testing control ends and one power supply input end, the power supply input end is connected with a generator port of a fuel engine and a storage battery port of a starting engine through a power supply voltage converter, or is directly connected with a special power supply, the four testing control ends are respectively connected with the output frequency control end of a power amplifier of a high-voltage discharge rich oxygen generator, the control end of an electromagnetic gas pump, the signal input end of a fault monitoring device and the input end of an engine work state monitoring controller. The invention can monitor the load change condition of the engine in real time, and the rich oxygen generation amount of a rich oxygen unit is regulated in time through changing the power supply frequency and the voltage of the discharge unit and changing the work frequency of the electromagnetic gas pump, so the engine is in the optimum work state all the time, and the goal of fuel economization is reached. The work state of the device per se can be monitored, and automatic protection can be realized during fault occurrence.

The invention relates to the technical field of unmanned aerial vehicle protection, and discloses an automatic protection auxiliary device for abnormal falling of a multimedia photography unmanned aerial vehicle, which comprises a reset spring, a balancing weight is movably connected to the bottom of the reset spring, an extrusion block is movably connected to the bottom of the balancing weight, and an extrusion spring is movably connected to the bottom of the extrusion block. Extrusion plates are movably connected to the left side and the right side of the extrusion springs, rotating shafts are movably connected to the bottoms of the extrusion plates, transmission plates are movably connected to the left sides of the extrusion plates, transmission springs are movably connected to the leftsides of the transmission plates, and extrusion blocks are in a weightless state and move upwards relative to the rotating shafts, so that the extrusion blocks are driven to move upwards. Therefore,transverse force applied to the extrusion plate disappears, then the parachute storage cavity is driven to be opened to form a parachute, the falling speed of the unmanned aerial vehicle is reduced, the unmanned aerial vehicle lands safely, and the effect of automatically protecting and preventing the unmanned aerial vehicle from being crashed when the unmanned aerial vehicle falls abnormally is achieved.

The invention discloses an outdoor distribution box structure, which comprises a box body, a waterproof cloth reel and a moving track, and is characterized in that an electric telescopic rod is controlled to rise according to a temperature information control system so as to open a rain shielding top cover; a driving motor drives the waterproof cloth reel to rise at the same time, and when the rainproof cloth reel rises to a certain height, a magnetic attraction buckle on a turnover shaft is connected with a magnetic attraction block on the rainproof cloth turned edge; and the control system controls a turnover motor to drive the turnover shaft to turn over upward, the top end of the rainproof cloth reel is provided with a clamping gap corresponding to a clamping buckle along with the change of the turnover angle of the turnover shaft, the clamping gap is connected with the clamping buckle so enable the rainproof cloth turned edge to be smoothly connected into a clamping groove, a displacement sensor A and an angle sensor assist to perform control calibration, the moving motor drives a traction block to move on the moving track after confirming the completion of the butt joint so as to pull the waterproof cloth from the rainproof cloth reel, thereby enabling the rainproof cloth to cover the outer structure f the distribution box and achieve an effect of resisting rain and sun.

The invention relates to stirring equipment, in particular to medical blending liquid medicine stirring equipment. The technical problem to be solved is to provide the stirring equipment which can realize automatic stirring and liquid medicine discharging and is convenient for people to take out liquid medicine. According to the technical scheme, the medical blending liquid medicine stirring equipment comprises supporting discs and supporting frames, and the supporting frames are arranged on the tops of the supporting discs; a placing assembly is connected between the tops of the supporting frames; and a stirring mechanism is arranged on the placing assembly. Through cooperation of the placing assembly and the stirring mechanism, the liquid medicine can be automatically stirred, so that manual operation is not needed, and time and labor are saved.

The invention provides a method and system for protecting user data of a terminal. The method includes the steps that when a server is in network connection with a client side, the server monitors the on-line state of the client side; when the abnormal on-line state of the client side is monitored by the server, a safety alarm is given to the user data of the terminal where the client side is located; the abnormal on-line state of the client side includes the fact that the client side is in an off-line state within set time, or deleting action is executed on the client side. It is unnecessary to add extra hardware for the terminal, and the user data of the terminal are protected automatically and conveniently.

The invention relates to a position adjustable motorcycle seat cushion. The position adjustable motorcycle seat cushion comprises a cushion support block, a backrest device and foot bearing mechanisms. The position adjustable motorcycle seat cushion is characterized in that a cushion body is arranged on the cushion support block; the middle portion of the upper end face of the cushion support block is provided with an adjustment groove; the left side face of the cushion support block is provided with shifting grooves; the lower sidewall of the adjustment groove of the cushion support block isprovided with a sliding groove; the front and rear sidewalls of the adjustment groove of the cushion support block are both provided with locking square grooves; the backrest device is connected withthe cushion support block in a sliding fit mode; and the two foot bearing mechanism are mounted at the front and rear ends of the right side of the foot plate correspondingly. Through the position adjustable motorcycle seat cushion, the problems that the position and angle of a motorcycle backrest of an existing motorcycle seat cannot be adjusted, the motorcycle seat cannot fit people with different figures and is not provided with supporting devices for supporting the legs of a motorcycle passenger and the motorcycle passenger cannot be protected when a motorcycle topples over can be solved.

The invention relates to a protection device, in particular to an infrared correlation protection device. The technical problem to be solved is to provide an infrared correlation protection device which does not affect the photographing effect of people and has a good protection effect. The device comprises a placing table, a lifting mechanism and a rotating mechanism, the lifting mechanism is arranged in the middle of the inner side of the placing table, and the rotating mechanism is arranged on the lifting mechanism. Through cooperation of the lifting mechanism and the rotating mechanism, cultural relics can be driven to move up and down and rotate, and people can conveniently observe and photograph the cultural relics in all directions; through the clamping mechanism, the cultural relics can be automatically and slightly clamped, and the cultural relics are prevented from being separated from the rotating disc under the action of centrifugal force; and through cooperation of the sensing system, the distance sensor and the protection system, the cultural relics can be automatically protected, and when someone approaches the cultural relics, an alarm can be given to remind guard personnel, so that the cultural relics are prevented from being damaged.

The system comprises: a database operation engine for getting and saving the information about the network; a adjacency-matrix building module for converting the network topology structure into the undirected graph in order to calculate the shortest path between the source end and the destination end; a route calculating module for calculating the shortest path between the source end and the destination end; a resources acquiring module for getting the VPI / VCI value of each port; a PVC building module for building the PVC in each network element; and a quit processing module for executing the roll-back operation for failure to build end-to-end PVC.

The invention relates to the field of engineering control, in particular to a control method and device for a bucket wheel material fetching machine. The control method is used for controlling the bucket wheel material fetching machine to fetch materials in at least one stack position and comprises the steps that the stack positions distributed to the bucket wheel material fetching machine are received; the walking position, rotating angle and pitching angle of the bucket wheel material fetching machine are obtained; the bucket wheel position of the bucket wheel material fetching machine is confirmed according to the walking position, the rotating angle and the pitching angle; and a bucket wheel and conveying equipment are controlled according to the bucket wheel position and / or the stackposition information of the stack positions. By means of the control method and device for the bucket wheel material fetching machine, the stack positions can be accurately distributed for the bucketwheel material fetching machine, and fetching the stack positions by mistake is prevented.

The present invention relates to a high-tension cable protection device, and relates to the field of the electric power auxiliary tool technology. The device comprises a control box (13), a power device and a protective device. The control box (13) is arranged on a first rod body (15) and is connected with a power device; the power device is composed of a sliding rod (1) and a pulley (5), one end of the sliding rod (1) is arranged on the first rod body (15), the other end of the sliding rod (1) is arranged on the second rod body (2), the pulley (5) is arranged in the sliding rod (1) which is arranged in parallel with a high-tension cable, the first rod body (15) and the high-tension cable (3) are provided with protection devices, and the second rod body (2) and the high-tension cable (3) are connected with a supplying head (4). The high-tension cable protection device is high in practicality and simple to use, and can automatically and effectively prevent the high-tension cable from being damaged by external force so as to prolong the service life of the high-tension cable and save a lot of cost and manpower investment.

The invention discloses a portable foldable single bed for an apartment. The technical problem of the invention is to provide the portable foldable single bed for an apartment, which is convenient to fold and unfold, can further stabilize the single bed, automatically protect a user and is convenient to lift and carry. The portable foldable single bed for an apartment comprises a base, wherein a lifting mechanism is arranged between the two sides of the base; a buckling mechanism, which is arranged on the lifting mechanism; two rotating blocks, which are arranged on the lifting mechanism; two bed plates, which are arranged on the lifting mechanism; and a supporting mechanism, which is arranged on the bed plates. The portable foldable single bed for an apartment has the advantages that the single bed is further supported and stabilized, a user is automatically protected, the use safety of the single bed is improved, and the single bed is convenient to lift and carry.

The invention relates to the technical field of toys, and discloses an energy-saving and environment-friendly remote control car capable of protecting a battery, which comprises a chassis, an axle is inserted into the top of the chassis, a transmission rod is slidably connected to the outer side of the axle, a transmission shaft is inserted into the axle, and a worm gear is meshed with the top of the transmission shaft. A top ball is fixedly connected to the bottom of the chassis, a suction block is fixedly connected to the inner wall of the support, a clamping block is slidably connected to the outer side of the support, a pull rod is slidably connected to the interior of the clamping block, a swing rod is movably connected to the outer side of the pull rod, and a friction block is movably connected to the side, away from the pull rod, of a swing rod. According to the energy-saving and environment-friendly remote control car capable of protecting the battery, the effects of having the time delay function and being convenient to use are achieved through the fact that equipment is powered off, the suction block loses magnetic force, at the moment, a reset rope drives the pull rod to move, the pull rod drives the swing rod to swing, and the swing rod drives the friction block to slide, and then the friction block and the clamping block are used in cooperation.

The invention discloses a protective device for a warehouse material measuring instrument, which comprises a mounting base plate, a control holder is arranged below the mounting base plate, an outer cover is arranged below the control holder, a measuring instrument is arranged in the outer cover, a measuring hole is formed in the bottom of the outer cover, a measuring head of the measuring instrument is arranged on the inner side of the measuring hole, a linear motor and a support are arranged on the side wall of the outer cover, a swing arm is arranged on the support, one end of the swing arm is hinged to the linear motor, a protective cover is arranged at the other end of the swing arm, and the protective cover is driven by the linear motor to cover the measuring hole. The device can automatically protect and clean the measuring instrument, and is convenient to use.

The invention provides a convenient-to-use electric bicycle charger. The charger comprises a shell. Clamping assemblies extending to the positions above top plates are movably installed on the front faces of supporting plates. Driving plates are movably mounted at the tops of the top plates through guide rods. Lifting plates are mounted at the bottoms of the supporting plates through pressure springs. Elastic rods are fixedly mounted at the bottom of a push plate. Foot pads are fixedly mounted at the bottom of the shell. Barrier plates are movably inserted into isolation seats. Magnetic blocksI are fixedly connected above the isolation seats, and magnetic blocks II are fixedly connected to the tops of clamping plates. When an electric vehicle bumps, the shell is subjected to an upward inertia impact force, the driving plates and the top plates relatively move, the driving plates extrude the clamping assemblies to enable the clamping assemblies to rotate to loosen the clamping plates,the barrier plates move, the lifting plates are pushed by the repulsive force between the pressure springs and the magnetic blocks to move downwards to drive the elastic rods to extend downwards, andwhen the shell falls, the elastic rods play a role in buffering and protecting, so that components in the charger can be effectively protected from being damaged.

The invention discloses an inflation valve device of an electric vehicle. The inflation valve device comprises a device main body, wherein an air filling hole is formed in the top end of the device main body; an air exhausting hole is formed in the bottom end of the device main body; the bottom end of the device main body is wrapped with a rubber sleeve; the outer surface of the rubber sleeve is sleeved with a protection cover; the upper surface of the rubber sleeve is covered with a soft rubber pad; fixed piles are welded on the inner wall of the top end of the device main body; the right sides of the fixed piles are connected with connection piles through rotating shafts; protection plates are welded on the top ends of the connection piles; the inner side of the device main body is connected with an inflation valve core through threads; the outer surface of the inflation valve core is sleeved with a sealing ring; and the outer surface of the sealing ring is embedded in the inner wallof the device main body. Through the inflation valve device of the electric vehicle, the protection performance of a connection part between the inflation valve device and a wheel hub can be improved; and the top end of the inflation valve device can be automatically protected.

The invention relates to the technical field of special operation robots, and discloses abnormal falling protection alarm auxiliary equipment suitable for an aerial work robot. The equipment comprisesan early warning rod, the top of the early warning rod is movably connected with an early warning spring, the top of the early warning spring is movably connected with an extrusion block, and the topof the extrusion block is movably connected with a transmission rod. A balancing weight is movably connected to the top of the transmission rod, a reset spring is movably connected to the top of thebalancing weight, a sliding magnetic block is movably connected to the outer portion of the early warning rod, and the balancing weight can be in a weightless state temporarily due to the inertia effect, so that the reset spring is compressed to deform to drive the transmission rod to move upwards. Therefore, electric sparks are generated at the top of an ignition wire to ignite fuel in a buffer air bag, the fuel is combusted to generate a large amount of gas to enable the buffer air bag to expand to achieve the buffer effect, and the effect of automatically protecting the robot against falling damage when the aerial work robot falls is achieved.

The invention discloses an electric heating furnace used drinking water oxygenator with function in preventing impurities from entering in. The electric heating furnace used drinking water oxygenatorstructurally comprises an electric heating furnace main body, a heating panel, an oxygenator and support pads; the support pads are connected at the four corners of the bottom end of the electric heating furnace main body in a locking manner; the heating panel is inlaid and buckled at the middle part of the top end of the electric heating furnace main body; the electric heating furnace main body is in electric connection with the heating panel; the oxygenator is connected with the electric heating furnace main body in a locking manner; electric connection is adopted between the oxygenator andthe electric heating furnace main body; and the oxygenator passes through the top end of the heating panel. When in use, the invention has the following advantages: 1. an oxygenation port is automatically protected through the arranged protection device when the equipment is used, and the protection to the oxygenation port is automatically removed when the oxygen is filled, thereby better preventing the impurities from entering into the oxygenation port when not in use and better ensuring the cleanliness of the equipment when the oxygen is filled; and 2. the protective head of the equipment can be disassembled for cleaning by being pulled hard and the outer ring is disassembled via rotation after pulled out, thereby enabling the impurity collection trough of the protective head to be conveniently cleaned and facilitating the use.

The invention discloses electrical automation equipment convenient for transferring and loading. The equipment comprises an equipment body. An oil storage cabinet is fixedly mounted at the position, close to one side, of the outer surface of the upper end of the equipment body. A gas relay is fixedly mounted on one side of the oil storage cabinet. A high-voltage sleeve and a low-voltage sleeve arefixedly mounted on the outer surface of the upper end of the equipment body. The low-pressure sleeve is arranged at the front end of the high-pressure sleeve. An oil discharging pipe is welded to theposition, close to the lower end, of the outer surface of one side of the equipment body. A base is welded to the lower end of the equipment body. Lifting rings are arranged on the outer surfaces ofthe two sides of the equipment body, and mounting bases are arranged at the lower ends of the lifting rings. The electrical automation equipment provided by the invention has the beneficial effects that the equipment can be placed more stably, meanwhile, a worker can conveniently move the equipment for truck loading; the lifting rings are arranged, so that the worker can conveniently lift the equipment during truck loading; and the equipment is more convenient during truck loading.

The invention discloses advertising board equipment suitable for a beach. The advertising board equipment comprises a bottom shell, wherein a power cavity is formed in the bottom shell, a wind power detection mechanism is arranged in the power cavity, a supporting rod extending out of the bottom shell is arranged at the upper end of the power cavity in a sliding mode, and a rack is arranged at theleft end of the supporting rod; and a wind power rotating shaft penetrating through the supporting rod is arranged in the supporting rod in a rotating mode. The advertising board equipment is simplein structure, easy and convenient to operate, capable of fully adapting to the tide rising and falling environment of the beach and capable of automatically adjusting the height of the advertising board according to tide rising and falling, so that the advertisement board can be obviously seen in any time. The equipment can supply power to itself, wind power is used for supplying power to liftingof the advertising board, the advertising board and the generator can be automatically protected according to the wind power, danger is reduced, the service life is prolonged, and the wind power generation device is high in working efficiency and high in integration degree.

The invention relates to a display device for material purchasing information management. The display device comprises a cabinet body and a protection assembly, wherein the protection assembly comprises a sensor, a protection plate and a driving part, the protection plate is arranged in a mounting groove, the protection plate is in driving fit with the driving part, the driving part drives the protection plate to move towards a first mounting part and is in snap fit with the first mounting part, and the sensor is connected with a display part and is electrically connected with the driving part. According to the invention, the protection plate moves towards the first mounting part, and the protection plate is buckled and matched with the first mounting part, so display equipment or a display article is automatically protected, operation is simple, a response is rapid, and the protection effect of the display equipment for material purchase information management on the display article and the display equipment is improved; and meanwhile, a snap fit mode is easy to reset, and the practicability and the overall protection effect of the display equipment for material purchasing information management can be improved.

The invention provides an energy-saving environment-friendly mounting device of a router for communication technology, which comprises a box body, a circular shaft is fixedly mounted at the top of the left side of the box body, a cover plate is movably mounted at the top of the circular shaft, a control block is fixedly mounted at the left side of an inner cavity of the box body, and a receiver is fixedly mounted at the top of an inner cavity of the control block. And an ejector rod is movably mounted on the left side of the receiver. According to the energy-saving and environment-friendly mounting device for the router used for the communication technology, the signal detector and the receiver are arranged, the signal detector is used for detecting whether electronic equipment is used when the router is started, and when no electronic equipment is used, the signal detector controls the receiver to rotate, so that an ejector rod rotates clockwise to be in contact with an electromagnetic block, therefore, the magnet drives the moving rod and the control rod to move downwards to cooperate with the first protrusion and the first switch to cut off the power supply block, so that the router stops working, and the effect of automatically cutting off the power to protect the router when the equipment is not used is achieved.

The invention provides a protective device of a propaganda lamp box for outdoor advertisement media in cloudy and rainy weather. The protective device comprises a box body, wherein a strip-shaped column is fixedly mounted at the top of the box body, a wind wheel is fixedly mounted in an inner cavity of the strip-shaped column, through holes are formed in the left side and the right side of the strip-shaped column, water leakage openings are formed in the bottoms of the left side and the right side of the strip-shaped column, the bottom of the wind wheel is fixedly connected with a silk thread, and ventilation grooves are formed in the left side and the right side of the box body. According to the protection device of the propaganda lamp box for outdoor advertisement media in cloudy and rainy days, by arranging a wind wheel and a rotating shaft, the wind wheel and a rotating seat are fixedly connected through a silk thread, and the area after a baffle rotates is matched with the area of a ventilation groove, so when external strong wind occurs, wind power enters a strip-shaped column through a through hole to drive the wind wheel to rotate; and meanwhile, the wind wheel rotates to drive the rotating seat to rotate anticlockwise through the silk thread, so the baffle covers the ventilation groove, and the effect of automatically closing the ventilation groove during wind blowing is achieved.

The invention relates to the technical field of hydraulic crushers, and discloses a hydraulic crusher capable of controlling the size of crushed particles and protecting hammer bodies. The hydraulic crusher comprises a hydraulic crusher main body, wherein discharging pipes are fixedly mounted in the hydraulic crusher main body, brackets are fixedly mounted on the left side and the right side of the discharging pipes, a hydraulic cylinder is fixedly mounted at the top of each bracket, and a rotating baffle is slidably connected into each hydraulic cylinder. When the particle size of crushed materials conforms to the gaps between the rotating baffles and stop levers, the materials can fall off from the discharging pipes, otherwise, the materials can be left and accumulated at the tops of the rotating baffle in the discharging pipes, and when the hammer bodies rotate to the top of the rotating baffles, magnets in the hammer bodies and magnets in the rotating baffles are opposite in magnetism, the rotating baffles can be attracted to deflect, and the materials accumulated on the rotating baffles can be thrown back to the crushing area to be subjected to secondary crushing, so that the effects of controlling the particle size of the materials and performing secondary crushing on the materials which do not accord with the particle size are achieved.