39results about How to "Avoid accidental danger" patented technology

The invention relates to a compact centring device installed on a compact buffer. The centring device comprises a centring sleeve, a centring body, a roller, a roller plug and a spindle, wherein the centring sleeve is installed on an installation seat of the buffer and is connected with the roller plug by fastening; the centring body and the spindle are fastened on a buffer system of the buffer; a centring element is installed in the centring body and synchronously rotates with a revolving axle of a revolving mechanism of the buffer. The centring device has simple and reasonable structure. The centring element is arranged inside the centring body, therefore, the centring device is small in volume and convenient to install. Under the action of the roller, after a hook buffer device rotatesin the horizontal direction in the presence of external force, the buffer device can restore to the initial state when the external force disappears or diminishes, thus ensuring the centre line of the hook buffer device to be identical with the centre line of the vehicle. The hook buffer device can not further rotate through contact of the limiting surface between the centring sleeve and the centring body, thus preventing accidents due to too large rotation angle.

The invention discloses an infant carrying bag, which comprises a carrying bag body, an upper fixing belt and a lower fixing belt, wherein the upper fixing belt and the lower fixing belt are respectively connected with the upper part and the lower part of the back side of the carrying bag body, the end parts of the upper fixing belt and the lower fixing belt are respectively connected through an upper nylon button and a lower nylon button, four carrying belts are respectively connected onto the upper fixing belt, and the tail end of each carrying belt is connected with a loop sheathed from the head part of a carrier to the shoulder part. Therefore, only the position of the upper fixing belt and the loop needs to be regulated, users can conveniently select for regulating the carrying bag body to the back, the chest or two sides of the body, only the upper fixing belt and the lower fixing belt need to be loosened during the regulation, the position of the carrying bag body is regulated through pulling the fixing belt or the carrying belt, and the loop is always positioned on the shoulder and cannot fall off. The carrying bag body is firstly regulated to be in front of the body when the infant is carried on the back or taken out, so the accident risk possibly generated when an infant is put into an ordinary carrying bag and is then carried on the back or when the infant together with the ordinary carrying bag is directly taken down from the back is perfectly avoided.

The invention discloses a blind person walking assisting method based on deep learning. Firstly, a camera is started for real-time data acquisition. The method comprises the following steps: detectingan environmental dangerous object and a traffic signal lamp through a deep convolutional neural network when the vehicle travels outdoors, if the vehicle meets the dangerous object, carrying out Kalman filtering tracking, comparing and calculating an object motion state in a period of time, analyzing a motion trend of the object, and carrying out danger reminding; And if so, performing signal lamp state identification. During indoor advancing, markers in the environment are detected in real time, marker related areas are extracted, and key information such as characters is extracted. The method adopts deep learning to carry out object detection, has the characteristics of high robustness, high accuracy, high speed and the like, and has very high practicability.

The invention relates to a remote control cracker firing device. An electronic igniter is mounted in a base, three sleeves are fixed on the base, a cracker is arranged on each sleeve, a blasting fuse is arranged on each cracker, each blasting fuse is connected with an ignition head, the ignition heads are fixed on the base on the sides of the sleeves, and a switch is mounted on the shell side of the base. The switch is electrically in serial connection with the electronic igniter and the three ignition heads through leads. The electronic igniter adopts a receiving device, and signals sent by a remote controller are received by the receiving device. Through the cooperation of the electronic igniter and the ignition heads, the remote controller is used, a sensing current can be generated by remotely controlling the electronic igniter, and when the currents in the ignition heads exceed 0.7 A, the ignition heads can be ignited, so that the blasting fuses of the crackers are indirectly ignited. The crackers are inserted in the sleeves, the sleeves are fixedly mounted on the base, the blasting fuses of the crackers are ignited by using the ignition heads, the ignition heads are remotely controlled through the electronic igniter, the crackers are ignited remotely, and accidental risks are prevented from occurring.

The invention disclose a high-power push switch. The high-power push switch comprises a shell, a button, an upper contact, a lower contact, a piston rod and a piston cylinder, the button is fixed to the shell in a linear movement mode, the piston cylinder is fixed to the shell, a piston on the piston rod is located in the piston cylinder, the piston cylinder and the piston are matched to form a piston chamber, the size of the piston chamber can be changed along with movement of the piston rod, one end of the piston rod and the button are fixed together and can move along with the button, the other end of the piston rod is provided with an arc blowing port, the piston rod can linearly move in the piston cylinder after penetrating through the piston cylinder, the piston rod is hollow, so that gas in the piston chamber can be sprayed out from the arc blowing port of the piston rod after being compressed, an arc extinguishing chamber is arranged on the shell near the arc blowing port, the arc extinguishing chamber is made of a plurality of metal plates, and an exhaust hole is formed in the shell behind the arc extinguishing chamber.

The invention discloses an opening and closing device of a water sluice gate. The opening and closing device of the water sluice gate structurally comprises a first safety crank, a first crank connecting block, a connecting and limiting end block, a supporting base plate, a fixed protecting outer frame, a second safety crank, a second crank connecting block, a brake locking device, a fixed protecting disc, a top cover protecting cover, a full steel pulling rope and a rope rotating outer frame. The upper end of the supporting base plate is welded to the lower end of the fixed protecting outer frame, and the upper end of the fixed protecting outer frame is assembled at the lower end of the connecting and limiting end block. The opening and closing device of the water sluice gate disclosed bythe invention has the beneficial effects that by additionally arranging the brake locking device on the equipment, the equipment in a service condition of a relatively long time can brake immediatelywhen the rope is rusted or is abraded severely to break accidently, so that the condition that the water sluice gate falls accidently is avoided, and therefore, accidental risks are prevented. The using safety of the equipment is further guaranteed, and the opening and closing device of the water sluice gate is relatively practical.

The invention discloses a stroller frame with function of automatically locking and releasing rear wheels by body sensing. The stroller frame comprises a frame body, a first wheel and a second wheel and is provided with a first locking mechanism, a second locking mechanism, a power source, and a body-sensing handle. When a user removes hands off from the body-sensing handle, the body-sensing handle sends out a second signal to allow the first locking mechanism and the second locking mechanism to simultaneously lock the rear wheels, so that a stroller is prevented from sliding along a slope to cause accidents; when the user touches the body-sensing handle again with the hand, the body-sensing handle sends out a first signal to allow the first locking mechanism and the second locking mechanism to simultaneously unlock the rear wheels, so that the stroller can be pushed directly.

The invention relates to a slag discharging device capable of preventing the slag discharging amount from being not controlled by a slag cooler. The slag discharging device comprises a slag discharging pipe upper section of which the upper end is connected with a boiler slag discharging opening, wherein the lower end of the slag discharging pipe upper section is communicated with a buffering bin; the bottom of the buffering bin is further communicated with a slag discharging pipe lower section; the opening, communicated with the slag discharging pipe lower section, of the bottom of the buffering bin is positioned within the range of ash bottom when the top of the ash discharged from the slag discharging pipe upper section blocks the lower discharging opening of the slag discharging pipe upper section; the other end of the slag discharging pipe lower section is connected with the slag cooler; the buffering bin is further communicated with the slag cooler through a pressure-equalizing pipe used for reducing the pressure inside the buffering bin. The slag discharging device solves the problem that the slag discharging amount of a boiler cannot be controlled, and has extremely high popularization value.

The invention discloses an intelligent handling vehicle for special-shaped materials, which includes a supporting device, a connecting device and a driving device. The supporting device includes a supporting plate, a lifting plate, a moving wheel, a first hydraulic cylinder, a second hydraulic cylinder and a battery. The bottom of the supporting plate is fixed with a sealing plate by bolts, the right end of the lifting plate is connected to the top of the supporting plate through a rotating shaft, the first hydraulic cylinder is fixed on the bottom of the lifting plate through a rotating seat, and the moving wheel Located at the lower part of the support plate, the moving wheel is connected to the support plate through the second hydraulic cylinder, the battery is fixed to the bottom of the support plate by bolts, and the battery is located on the top of the sealing plate; The connection device is located on the right side of the support plate, and the connection device includes a casing, a control device and a hydraulic pump. The whole process of the invention implements intelligent handling, thereby not only reducing the labor intensity of workers but also avoiding the occurrence of accidental dangers.

The invention discloses a machine tool auxiliary mechanical arm. The mechanical arm comprises a main body supporting base, wherein the top of the main body supporting base is fixedly provided with a first sliding guide rail and a second sliding guide rail in a front-back extending mode, the first sliding guide rail is located on the left side of the second sliding guide rail, a sliding platform isarranged on the upper side of the supporting base, the bottom of the sliding platform is provided with a first sliding guide rail matching groove and a second sliding guide rail matching groove a front-back extending and through mode, the first sliding guide rail matching groove is connected with the first sliding guide rail in a sliding fit mode, the second sliding guide rail matching groove isconnected with the second sliding guide rail in a sliding fit mode, a rotating table is arranged on the upper side of the sliding platform, flexible and rapid arrival at a designated position can be realized through the mechanical arm, a workpiece is clamped through a clamping mechanism of the tail end, then a machined shaft part in a machine tool is taken out, so that accidental danger which occurs when a worker enters the machine tool to take out the workpiece is avoided, and for some parts which are heavy, it is quick and efficient if the parts are taken by the mechanical arm.

The invention discloses a scraper reciprocating billboard cleaning device, which belongs to the technical field of cleaning devices. Its technical solution is: including billboards and columns fixedly connected to the billboards, one end of the columns is fixedly connected to the ground, the other end is provided with a rain shield, a water delivery mechanism is provided under the billboards, and the end of the water delivery mechanism is connected to a spray nozzle. The water pipe and the water delivery mechanism drive the water spray pipe to spray water. The water spray pipe is arranged at the bottom of the rain shield, and the water spray pipe is evenly equipped with multiple nozzles. A driving mechanism, the driving mechanism is connected with a scraper, the scraper is vertically arranged, and driven by the driving mechanism, the scraper moves horizontally along the billboard. The beneficial effect of the technical solution provided by the invention is that the device of the invention can automatically clean billboards with fast cleaning speed and good effect, and can be directly modified on existing billboard equipment with good compatibility.