44results about How to "Cause danger" patented technology

The invention discloses a water rescue unmanned aerial vehicle (UAV) provided with a net body, and an operating method of the water rescue UAV. A UAV body is internally provided with an objective table by means of a first telescopic part; by means of the expansion and contraction of the first telescopic part, at least part of the bottom of the objective table extends out of the UAV body; the bottom of the objective table is hinged with four main telescopic supporting rods, and a supporting telescopic rod used for controlling the main telescopic supporting rods is arranged on the main telescopic supporting rods and at the bottom of the objective table; the lower parts of the four main telescopic supporting rods are provided with the net body provided with contraction holes in the middle part, and a tightening band is arranged at the position of the shrinkage holes of the net body; when the tightening band is shortened, the shrinkage holes at the middle part of the net body is shrunk; the bottom surface of the net body is provided with a floating air bag. The invention aims at providing the water rescue UAV provided with the net body and the operating method of the water rescue UAV,thus realizing rescue of people trapped on water; furthermore, the water rescue UAV does not cause danger to rescuers and is mainly used for rescuing people with self action ability.

The invention relates to a fan with a novel structure. The fan comprises a fan body, wherein the fan body comprises a hollow structure base, an air supply mechanism arranged in the base, an air discharge mechanism communicated with the air supply mechanism on the top face of the base, and a wind direction adjustment mechanism, wherein the air discharge mechanism comprises a top cover and a plurality of air deflectors arranged from the top to the bottom at intervals, wherein the air deflectors are positioned under the top cover, each air deflector is provided with air discharge through holes, the air discharge through holes from the bottom to the top form an air discharge channel, the hole diameter of which is gradually contracted, and an air discharge port is formed between the two adjacent air deflectors. The fan is novel in structure. The wind is softer than the wind generated by the existing fan after passing through the air discharge channel which is gradually contracted from the bottom to the top, so people feel more comfortable in the wind blowing process. The wind direction adjustment mechanism can realize continuous air supply of the fan at 0-360 degrees, so that different wind blowing requirements of people can be met. Moreover, hidden blades are safer.

The invention belongs to the technical field of sewing equipment, and particularly refers to a bag pasting machine; it includes a working table, a folding device is arranged on one side of the working table, a sewing device is arranged on the other side, and a folding device and the sewing device are arranged There is a material transfer device, and the actions of the folding device, sewing device and material transfer device are controlled by the controller; the present invention uses the hemming device to fold the edge, the material transfer device to transfer the material, and the sewing device to sew, with a high degree of automation. The production efficiency is greatly improved and the cost is saved; the problems of high production cost, large occupied area and low work efficiency caused by manually folding and ironing the pocket cloth in the prior art are solved.

The invention discloses a grounding grid, and belongs to the technical field of electrical application. The grounding grid comprises a backbone network, and at least one group of grounding electrodes. Each group of electrodes comprises at least one grounding electrode. At least one group of grounding electrodes are connected with different positions of the backbone network respectively under the backbone network. The backbone network is positioned under the buildings, and is insulated from the peripheral soils. The grounding grid discharges through the grounding electrodes. The backbone network is provided with at least one connection point, which is used for the connection with the electrical equipment. Each electrode of at least one group of electrodes is positioned in the grounding well. Through the placement of at least one group of electrodes under the backbone network, and through the placement of each electrode of at least one group of electrodes in the grounding well, and through the insulation of the backbone network from the peripheral soils, the grounding grid can only discharge through the grounding electrodes in the grounding well, which means the discharging happens in the deep underground, thus avoiding the creation of step voltage on the ground, bringing no hazards to the pedestrians, and enhancing the safety of the grounding grid.

The invention discloses an electrically assisted repeated deep drawing device, which comprises a sheet material clamping device fixedly arranged on a transverse press, a sheet material forming device connected with a piston rod of the press machine, and an electric current heating device fixedly arranged on the sheet material forming device device, the sheet material clamping device vertically fixes the sheet material on the sheet material forming device, and the current heating device closely adheres to the sheet material and generates Joule resistance heat to heat the sheet material. The present invention utilizes the electric current flowing through the sheet material The Joule resistance heat generated directly heats the sheet itself and keeps its temperature within the forming temperature range. Multiple electrodes are used to stabilize the temperature of the sheet during forming, and the die presses the sheet at the same time to prevent wrinkling and improve the product. Quality: Solve the problems of difficulty in deep drawing, cracking, and residual stress at the bottom of the cylindrical part during the deep drawing process, and improve the forming limit of the sheet metal.

The invention relates to an adjustable screw driver structure, which comprises a rod, a clamper and a handle, wherein one end of rod is screw driving head, another end is sheathing section; the clamper comprises rod, flexible element and compression element; the rod has a container with an axial groove with two blocks, to divide the rod into two elastic sheets, and its inner edge has a clamping section, and its open end has an outer screw section; the flexible element is through the container to contact the bottom of container; two blocks are through two open grooves of rod; the rod sheathing section is through the container; when compression element is screwed with rod, the elastic sheets will be bended inwards, to make clamping section clamp the stop section of rod; the rod is fixed to one axial hole of handle. The invention can improve safety.

The invention provides a noise-reducing nursing bed for obstetrics and gynecology, which includes a nursing bed body, positioning bed legs are fixedly connected to the bottom of the nursing bed body, a sliding inner cavity is opened on the front side of the nursing bed body, and the sliding An extended bed body is slidably installed inside the inner cavity, and the front end of the extended bed body extends to the outside of the sliding inner cavity, and the front end of the bottom of the extended bed body is fixedly connected with movable bed legs. The noise-reduction nursing bed for obstetrics and gynecology squeezes the first airbag body, the airflow inside the first airbag body enters the inside of the second airbag body through the fluid tube, and the second airbag body is in an inflated state, so that the airflow of the second airbag body The top squeezes and touches the flap, which makes the crib shake slightly, and the quick-recovery elastic parts make the crib reset, making the crib swing back and forth, which is not only beneficial for the baby to rest, but also the crib is similar to hanging in the air, and the vibration generated is very strong. Weak, not dangerous to the baby, increases the baby's comfort, and also helps the mother recover.

The invention discloses a water rescue unmanned aerial vehicle with a net body and an operation method thereof. A loading platform is installed in the body of the unmanned aerial vehicle through a first telescopic part, and the bottom of the loading platform is at least A part protrudes from the body, and four main telescopic poles are hinged at the bottom of the stage. The main telescopic pole and the bottom of the stage are also provided with a supporting telescopic pole for controlling the main telescopic pole. The lower part is equipped with a mesh body with a shrinkage hole in the middle, and a tightening belt is provided at the shrinkage hole position of the mesh body. The purpose of the present invention is to provide a water rescue UAV with a net body and its operation method, so that people trapped on the water can be quickly rescued without causing danger to the rescuers, and it is mainly able to improve self-mobility. people to the rescue.

The invention relates to the technical field of sheep breeding, and discloses a timed feeding device for captive sheep that is convenient for eating. The walls are all fixedly connected with a gasket by glue, and the end of the gasket away from the slider is slidingly connected with the inner wall of the first box. The top of the slider is provided with a food trough with an arc-shaped bottom, and one side of the first box is fixedly connected. There is a second box body, and the first box body is provided with a plurality of evenly distributed chutes on the side close to the second box body. Connected to each other, the inner walls of the plurality of chutes are slidably connected with connecting rods arranged in the horizontal direction. The timed feeding device for captive sheep that is convenient to eat can control the time period when the sheep eat without causing danger to the sheep by timing the feeding trough up and down in the first box so that the sheep cannot eat the feed in the feeding trough .

The invention relates to the field of living goods, in particular to an agricultural firewood chopping device. The agricultural firewood chopping device comprises a cutting device for cutting woods, a cutting barrel for holding the woods to be cut, a fixing device for fixing the cutting barrel, a rotating device for rotating the cutting barrel, and a lifting device for lifting the cutting barrel; the rotating device is mounted on the lifting device; and the cutting barrel is mounted on the rotating device through the fixing device. The agricultural firewood chopping device can easily, simply and automatically chop firewood, is safe and convenient, is low in cost, and is stable and reliable.