20results about How to "Avoid accidental damage" patented technology

The invention provides mobile welding equipment, which comprises a box body, a first welding assembly, a second welding assembly, a first welding assembly, a second welding assembly, a first welding assembly, a second welding assembly and a second welding assembly, and is characterized in that the box body is movably arranged, and a first mounting area and a second mounting area are arranged in the box body; the first opening and closing component is arranged on the box body, the first opening and closing component is arranged opposite to the first mounting area, and the first opening and closing component is arranged in an opening and closing mode relative to the box body so as to open or close the first mounting area; and the second opening and closing component is arranged on the box body, the second opening and closing component is arranged opposite to the second mounting area, and the second opening and closing component is arranged in an opening and closing mode relative to the box body so as to open or close the second mounting area. And the service life of the device is shortened.

The utility model discloses a high -place garbage picks up equipment relates to the technical field of landscaping cleaning, including picking up the rod, the one end of picking up the rod is provided with the handle, and the other end of picking up the rod is provided with the symmetric picking up the clamp, and picking up the rod and handle are provided with the collection clamp power component in, and the telescopic folding component is provided on picking up the clamp, and the telescopic folding component includes the storage rack fixed on the storage rack on picking up the clamp, and the threaded rod is rotatably installed on the storage rack, and the threaded tube is screw -threaded installed on the threaded rod, and the handle is fixedly connected with the knife handle on the one end away from the threaded rod of threaded tube, and the one end away from the threaded tube of threaded rod is fixed with the adjusting knob, and the utility model discloses the setting of telescopic folding component can make the straight -line movement of blade and carry, when meeting the food packaging bag, the abandoned kite, the mouth mask and so on high -place garbage of hanging on the forest, can stretch out the blade, and the blade synchronous movement with picking up the clamp carries out the shearing to the garbage winding part, and the garbage is separated and taken down from the forest, reduces the damage to the forest.

The invention belongs to the technical field of semiconductor manufacturing, relates to a contact hole and a forming method thereof, and aims to solve the problems of over-etching of a gate contact hole, side wall loss of a shared contact hole and'eating through 'of the bottom of a gate in the prior art. The method comprises the following steps: firstly, forming a metal gate and a side wall on substrate silicon, and etching to regulate and control the height of the metal gate, so that the height difference between the metal gate and the side wall is equal to the thickness of a second contact etching stop layer; sequentially depositing the stop layer and a second interlayer dielectric layer, and completely retaining the stop layer after polishing; depositing a contact hole lamination layer and etching, and taking the stop layer as a stop interface; and finally, etching the stop layer to accurately form two types of contact holes. According to the process, through the closed-loop design of height difference presetting, stop layer deposition and step-by-step etching, over-etching is completely eradicated, meanwhile, the side wall loss of the shared contact hole is reduced, the bottom is prevented from being broken through, and the performance and reliability of the device are guaranteed.

The utility model provides a kind of side trimming equipment for wood fence net piece processing, it is related to wood fence processing equipment field, the side trimming equipment for wood fence net piece processing, including base, the top of base is provided with collecting groove, the inner chamber of collecting groove is movably connected with collection bin, the outside of base is fixedly connected with two mounting brackets, and the inside between two mounting brackets is fixedly connected with moving guide rail, the inside of moving guide rail is movably connected with mounting plate, the bottom of mounting plate is fixedly connected with hydraulic cylinder, the inside between two mounting brackets is fixedly connected with processing platform, and the top of processing platform is provided with waste falling groove, the side trimming equipment for wood fence net piece processing can be before wood fence net piece enters processing link, quickly and accurately fixed in preset processing position, can timely push the waste such as wood chip, leftover material etc. produced in processing process to collection area.

The application discloses an adaptive foot pressing device for a robot end effector and the end effector. The end effector comprises a base unit, and the device comprises a receiver, a foot pressing unit, an elastic reset assembly and a non-contact distance measuring assembly. The foot pressing unit is movably connected with the receiver and can adaptively deflect to fit a workpiece when pressed; the distance measuring assembly detects the distance between the base and the workpiece, and feeds back to guide the robot to adjust the posture to realize normal alignment. The end effector is also provided with a switching unit which integrates drilling, hole diameter and hole depth measurement and hole detection hole units, and through movement, the units can successively share a second channel to work. The application solves the problems of difficult normal alignment and rigid collision of complex curved surfaces, realizes the full-process automation and closed-loop control of normal alignment, hole making, dust collection and detection, and significantly improves the machining precision and efficiency.

This utility model discloses a charging device and glasses assembly, relating to the field of AR glasses technology. The charging device includes a main body and a charging interface. The main body is electrically connected to the charging interface. The main body includes a first clamping member and a second clamping member. The first clamping member and the second clamping member are rotatably connected and enclose a mounting space for mounting and clamping the temples of AR glasses. A charging port is provided in the mounting space.

The application discloses a food sterilization machine for food processing, and relates to the technical field of food processing, which comprises a microwave conveyor, a microwave box is installed on the top of the microwave conveyor, a feeding box is installed on the top of the microwave conveyor and in front of the microwave box, and a discharging box is installed on the top of the microwave conveyor and behind the microwave box. The food sterilization machine is provided with a stand, a top plate and a limiting plate. The position of the limiting plate is adjusted according to the height of the food. When the food is moved by the conveying belt on the microwave conveyor, the height between the limiting plate and the conveying belt on the microwave conveyor can only pass one food. The food stacked above the food is pushed to the surface of the conveying belt of the microwave conveyor, so that the food is prevented from being stacked together and the effect of the microwave generator in the microwave box on the sterilization of the food on the surface of the conveying belt of the microwave conveyor is affected.

The utility model relates to a steel wire sleeve installation tool for operation in narrow space belongs to steel wire sleeve installation technical field, solves the problem that steel wire sleeve is not easy to install and break in narrow installation space. The steel wire sleeve installation tool of the utility model, include: positioning piece, inside have the through passageway hole, be used for placing steel wire sleeve, movable piece, can insert the passageway hole and install steel wire sleeve or install after completing from the passageway hole and remove, auxiliary break element, one end with the movable piece of removal is detachably connected, the other end is used for receiving external force and through movable piece and force transmission to the installation handle of steel wire sleeve and break. The utility model adds auxiliary break element, makes the one end of auxiliary break element set up in the top of movable piece, the other end can extend to the outside of shell, facilitates the force operation of auxiliary break element on the outside of shell, avoids the problem that the force break of force component is inconvenient to operate in shell.

The utility model relates to a household main line simple flat cable pipe, comprising a housing which is a hard hollow rectangular body structure and two ends of which are provided with openings communicated with the outside, and a flat cable part which is arranged in the housing and whose appearance is matched with the internal space of the housing, and the interior of the flat cable part penetrates through the two ends to form an array type flat cable channel. Openings at two ends of the flat cable channel and openings at two ends of the shell face the same direction. According to the utility model, the circuit can be better protected, and the problem of large repair difficulty caused by excessive damage of the wall body can be avoided.

The invention belongs to the technical field of blasting, and particularly relates to a blasting oxygenation device and method adaptive to a plateau low-oxygen environment, the device aims at solving the problem that explosive blasting reaction is incomplete in the plateau hypoxia environment, the device comprises a charging bag placed in a blasting hole, an oxygenation device, a partition device and a sealing plug, the oxygenation device is provided with a shell and a liner bag, and the liner bag is provided with an opening. The inner container bag stores oxygen, the partition device is composed of an upper cover plate and an annular air bag, the oxygen increasing device and the partition device are arranged between every two vertically adjacent charging bags, the sealing plug is located at the top of the blast hole, and when the charging bags are detonated, generated shock waves can enable the inner container bag of the oxygen increasing device to be broken to release oxygen, and meanwhile the annular air bag of the partition device is pushed to expand to seal the hole wall. According to the device, oxygen release and sealing are triggered by means of explosion energy, oxygen is supplemented for a reaction area at the moment of explosion, oxygen is prevented from overflowing, and the plateau explosion effect can be improved.

This utility model discloses a cottonseed spectral adaptability detection probe, comprising: a near-infrared spectrometer and an adjustment assembly; the near-infrared spectrometer includes a probe holder and a control panel fixedly mounted on its upper end and one side respectively; the adjustment assembly includes a mounting cavity opened on the near-infrared spectrometer and a miniature servo motor fixedly mounted inside the mounting cavity. The cottonseed spectral adaptability detection probe of this utility model, with its mounting bracket on the near-infrared spectrometer and multiple probes arranged at the outer end of the bracket, allows for quick and stable switching between probes according to testing needs via a first electric push rod and a miniature servo motor, thereby improving the adaptability and adjustment convenience of the near-infrared spectrometer. Simultaneously, when the near-infrared spectrometer is not in use, a second electric push rod inside the right protective cover can pull the left protective cover to close it, thus providing safety protection for the multiple probes on the mounting bracket when not in use and preventing accidental damage to the probes.

The invention discloses a biomedical signal noise reduction method and device based on multi-dimensional information fusion and a medium, and relates to the technical field of biomedical signal processing.The method comprises the steps that an original ECG signal, an original ACC signal and an original GYRO signal of a target user in a dynamic electrocardiogram monitoring scene are preprocessed; performing layered noise reduction on the preprocessed first ECG signal; and according to the preprocessed first ACC signal and the first GYRO signal, carrying out artifact suppression on ECG features extracted from the second ECG signal subjected to layered noise reduction, inversely mapping the target ECG features subjected to artifact suppression to the space of the second ECG signal, and determining a target ECG signal which is high in signal-to-noise ratio and contains a complete P-QRS-T wave group. According to the method and the device, the cooperative suppression of various noise types in dynamic electrocardiogram monitoring is realized, the clinical diagnosis value of the ECG signal is guaranteed, and the noise reduction effect and the signal availability rate of the ECG signal in a dynamic scene are improved.

The invention relates to the technical field of MOS (Metal Oxide Semiconductor) semiconductors, and discloses a voltage-withstanding MOSFET (Metal Oxide Semiconductor Field Effect Transistor) device for high-load shutdown of a robot dog and a preparation method thereof, the voltage-withstanding MOSFET device comprises a plurality of parallel MOS cells, and each MOS cell comprises a drain electrode, a semiconductor epitaxial layer, a source electrode and a grid electrode; the semiconductor epitaxial layer comprises an N substrate layer, an N drift layer, a P + layer, an N well layer and a P well layer, and a lightly doped N layer is arranged in the middle of the N drift layer of each MOS cell; laterally symmetrical L-type P-layers with inclined tops and arc-shaped opposite side tops are introduced to the two sides of an N drift layer, and in cooperation with the middle buffering effect of a lightly doped N layer, local electric field concentration at the edge of the N drift layer in a traditional device can be accurately dispersed; the arc-shaped and L-shaped contours defined by the photoetching process can effectively guide the electric field to be uniformly distributed, so that the breakdown risk caused by too strong local electric field is avoided.

The utility model relates to the technical field of logistics packaging, concretely to a port and land dual-purpose logistics packaging structure, including the box of rectangle, the box cover of one end rotatable connection on the box, the locking assembly that is used for locking the box cover of closing state, the four corners of box and the four corners of box cover respectively be provided with buoyancy block, when using, through locking assembly locks the box cover and the box, waterproof effect is good, through the four corners of box and the four corners of box cover respectively set up's buoyancy block, not only can play the anticollision effect when transporting, still can make the box float in the water, make the box can be applicable to the various complex transportation environment of inland, the utility model not only can be applicable to the waterproof logistics transportation on the sea, can be applicable to the various complex transportation environment of inland, shorten the transport period of logistics, still can avoid the accidental damage of commodity because of the change of appearance.

The utility model discloses a charging device and a glasses assembly, and relates to the technical field of AR glasses, the charging device comprises a main body and a charging interface, the main body is electrically connected with the charging interface, the main body comprises a first clamping piece and a second clamping piece, the first clamping piece is rotatably connected with the second clamping piece, and the charging interface is electrically connected with the first clamping piece. An installation space is defined by the shell and used for installing and clamping nose pads of the AR glasses, and a charging port is formed in the installation space.

The utility model discloses a life net for water area rescue, which comprises a rescue net, at least four floaters arranged on the rescue net, balloons for providing buoyancy for the rescue net, a gas generator for inflating the balloons and a one-way valve for connecting the balloons and the gas generator, and a plurality of counterweight structures arranged at the bottom end of the rescue net, comprising a balancing weight and a connecting ring for connecting the balancing weight to the rescue net, first connecting ropes are fixedly connected to the upper portions of the two sides of the rescue net, second connecting ropes are fixedly connected to the lower portions of the two sides of the rescue net, and first hooks are connected to the ends, away from the rescue net, of the first connecting ropes and the second connecting ropes. The rescue net has the advantages that the rescue net can be quickly unfolded through the synergistic effect of the gravity provided by the counterweight structure and the buoyancy provided by the balloon in the floater; the net body rolling structure is arranged and used in cooperation with the protection shell, so that when the rescue net is not used, the rescue net can be rolled and hidden, and the occupied volume space of the rescue net is reduced.

The utility model discloses flip type horizontal electroplating equipment. The electroplating equipment comprises an electroplating rack, an electroplating tank body, a flip cover plate, a roller conveying device, an anode electroplating device and a spray cleaning device, the roller conveying device comprises a lower roller conveying mechanism and an upper roller conveying mechanism; the anode electroplating device comprises a lower anode plate mechanism and an upper anode plate mechanism; the spray cleaning device comprises a lower spray mechanism and an upper spray mechanism; the overturning cover plate is used for overturning, opening and closing relative to the electroplating bath body by taking the hinged position of the overturning cover plate and the electroplating rack as a rotating shaft, so that the roller conveying device, the anode electroplating device and the spray cleaning device are convenient to overhaul and operate; according to the electroplating equipment, the functions of automatic conveying, electroplating, cleaning and convenient overhauling of electroplated parts are achieved, electroplating and cleaning of the electroplated parts in the conveying process are more uniform, meanwhile, the electroplated parts can be rapidly turned over and disassembled during maintenance, the line stopping time is shortened, and the overall operation and maintenance efficiency of the equipment is improved.