15results about How to "Strong coverage" patented technology

The utility model discloses a feeder for accurately feeding rice and shrimps, which relates to the technical field of rice and shrimp feeders and comprises a feed box, a blanking hopper communicated with the bottom surface of the feed box, a cover plate hinged to the top surface of the blanking hopper, two flange pipes symmetrically communicated with two sides of the bottom end of the blanking hopper, and four supporting legs arranged on the peripheral side of the bottom surface of the feed box. A mounting platform is fixedly connected to the positions, located in the middle of the discharging hopper, of the four supporting legs, a scattering assembly is arranged on the mounting platform, a pneumatic feeder is arranged on one sides of the bottom ends of the four supporting legs, an output shaft of the pneumatic feeder is connected with one of the two flange pipes through an air supply connecting pipe, and a conveying pipe is arranged on the other flange pipe in a communicating mode. According to the utility model, the pneumatic feeder, the air supply connecting pipe and the flange pipe are matched, so that a stable power source can be conveniently provided; finally, the problems that traditional equipment is unstable in power output, uneven in feed scattering and difficult to meet diversified feeding requirements are solved, and the overall efficiency and effect of feed conveying and feeding are improved.

The application discloses a wide-band adaptive sweep frequency jamming method and system, which comprises the following steps: receiving a radio frequency signal in a preset wide frequency band, and performing down-conversion processing on the radio frequency signal to obtain baseband IQ data corresponding to the radio frequency signal; performing real-time feature extraction on the baseband IQ data to obtain frequency, pulse width and amplitude information of the radio frequency signal; performing clustering processing on the radio frequency signal according to the extracted frequency and pulse width, and counting the number of times of interception of each type of radio frequency signal; removing the radio frequency signal with the number of times of interception less than a preset threshold value and a radio frequency harmonic signal generated by radio frequency conversion to obtain an effective target signal; sorting the effective target signal according to a preset sorting strategy to generate a radio frequency control sequence; performing tracking jamming on the effective target signal according to the radio frequency control sequence, and returning to perform sweep frequency search again when the effective target signal disappears. The application can perform fast sweep frequency and determine the characteristics of the jamming signal and respond in a complex environment.

The application discloses a kind of based on cold spraying technology's aluminum electrolysis discharger jet repair equipment, it is related to the field of spray gun, including positioning device, the spray gun of positioning device execution end is equipped, and the powder supply device of output end is connected spray gun input end by pipeline, spray gun includes the first laval nozzle of positioning device execution end is equipped, and the feed laval nozzle of first laval nozzle input end is equipped, feed laval nozzle input end is connected with the powder supply device output end;It further includes the acceleration airflow supply component of the outer wall of feed laval nozzle is sleeved and output end extends to the inside of first laval nozzle;It further includes two negative pressure recovery pipes symmetrically arranged on the outer wall of first laval nozzle, and the turnover cover plate component arranged on the outer wall of first laval nozzle.The core advantage of the present application is reflected in the efficient stability of spraying process and the rapid switching of powder raw materials.

The utility model provides a kind of protective flat net for building construction belongs to building construction technical field, and this protective flat net for building construction includes side wall fixing frame, top fixed platform, protective net and top antiskid edge rope, the side wall fixing frame includes two, and is respectively fixed in the top two sides of top fixed platform, bolt hole is opened on top fixed platform, for this protective flat net is fixed on building plane;Two the side wall fixing frame between fixed protective net, the top of protective net is provided with top antiskid edge rope, for fixing the edge of protective net;The utility model provides a kind of protective flat net for building construction, can solve the problem that protective net lacks damping and compression resistance.

The utility model discloses a highway roadbed side slope grass planting soil fixation net pad, including soil fixation net: the both sides of soil fixation net are equipped with the side cable, the four corners of soil fixation net all are provided with pre -buried pin, the top of pre -buried pin is connected with the threaded pressure head of screw thread, the one side of threaded pressure head is provided with the threaded pull rod of going through, threaded pull rod and threaded pressure head are connected with screw thread, the inner chamber of pre -buried pin is provided with the reverse component, the reverse component includes the reverse card board of rotation connection in the inner chamber of pre -buried pin. The utility model discloses through the setting of reverse component, carries out pre -buried fixed pre -buried pin, then through the cooperation of side cable and threaded pull rod, tightens and fixes soil fixation net, makes soil fixation net to be able to stably cover in the slope surface, finally in the cooperation of threaded pull rod and swivel, tightens and fixes side cable and cable -stay, can reach the purpose of installing stable firm and preventing soil fixation net from being lifted by wind.

The invention relates to the technical field of power equipment, and discloses a stringing construction device for power equipment installation, which comprises a base, a pay-off mechanism and a stringing platform. The pay-off mechanism is used for paying off a cable; the adjusting assembly comprises an arc-shaped guide rail, a swing seat, a transmission mechanism and a first bearing plate installed on the swing seat. The arc-shaped guide rail and the arc-shaped rack extend to the stringing platform in the circumferential direction of the paying-off mechanism. The swing seat is in sliding fit with the guide rail and can circumferentially slide in a reciprocating manner around the pay-off mechanism; a first driving motor of the transmission mechanism drives a first gear to drive a swing seat to move through meshing with an arc-shaped rack; the clamping mechanism on the first bearing plate is used for clamping and assisting in dragging the cable, and directional adjustment and erection of the cable are achieved. According to the device, the range of stringing operation can cover more installation areas, and the applicability of stringing operation is improved.

The invention relates to a photovoltaic unmanned aerial vehicle cleaning path candidate generation method based on representative sampling, and the method comprises the steps: designing a small number of balanced and low-correlation factor combinations around key factors such as starting point selection, an intra-cluster construction strategy, a weight-distance tradeoff coefficient and a cross-grade connection rule through a small-sample representative combination sampling method, and carrying out the selection of the cleaning path candidate of a photovoltaic unmanned aerial vehicle. Quickly generating a small batch of array cluster access sequence candidates with strong representativeness; under each cluster sequence, a component-level path is generated according to a set intra-cluster component sequence and direction optimization strategy; and finally, combining the clusters with the paths in the clusters to generate all candidate paths. According to the method, dirt weight rapid coverage and flight path / time cost control are taken into consideration, and high-quality candidate paths are provided for subsequent global path scoring and screening.

The utility model provides a roadbed reinforcing device, which relates to the technical field of road construction and comprises a reinforcing frame, a multidirectional stretching geogrid is fixedly connected in the reinforcing frame, a first limiting frame and a second limiting frame which are of a cross-shaped structure are connected in a frame body of the reinforcing frame in a welded mode, and the first limiting frame and the second limiting frame are connected in a welded mode. The hinge seat is formed by the butt joint connecting frames of the two hinge structures and used for butt joint of the edges of the two reinforcing frames, after the two reinforcing frames are in butt joint, the two butt joint connecting frames can rotate, the angle between the two reinforcing frames can be adjusted according to the topographic structure, the reinforcing frames can cover a roadbed more stably, and the roadbed can be protected from being damaged. The installation of the hinge seats is completed by inserting and matching bolts, so that the butt joint of the reinforcing frame is more efficient and stable, the construction efficiency is improved while the construction quality is ensured, and the problems that the butt joint of two adjacent geogrids needs to be performed by adopting tools such as iron wires, bandages and bolts, the butt joint process is tedious, and the construction cost is high are solved. And a lot of working hours are consumed.

This invention relates to the field of cabinet welding technology, and in particular to a ring main unit cabinet forming and welding device; it includes a fixing mechanism for docking and fixing the cabinet and a robotic arm located on its front side; the driving end of the robotic arm is provided with a welding mechanism; this invention effectively solves the three major technical problems of easy gas loss at the edge, lack of fusion due to assembly gaps, and significant welding thermal deformation by means of the synergistic effect of the cone-shaped air curtain formed by the trumpet-shaped nozzle, the auxiliary block extending the attachment plane, the driving component driving the auxiliary block to dynamically compensate for the gap, and the cooling block implementing forced cooling.

This utility model discloses a biomimetic noise reduction panel, comprising a sound-absorbing layer with a porous micro-nano structure disposed in the middle, and damping layers disposed on both sides of the sound-absorbing layer. Both damping layers are disposed on a mesh-like support plate. The edges of the support plate are encapsulated by four connecting blocks to form a square plate. The opposing connecting blocks on both sides form a set of connecting units. Two connecting blocks in a connecting unit are spliced ​​together by plug-in components to expand the size of the biomimetic noise reduction panel. The plug-in components are detachable. The sound-absorbing layer contains a porous micro-nano structure, structurally mimicking the scales of a lepidopteran insect wing. In terms of noise reduction performance, this noise reduction panel can stably cover a wide frequency range of 20Hz to 5kHz, with a noise reduction rate between 20.1% and 39.8%. Compared with the average noise reduction rate of 14.6% of traditional materials, its performance is improved by more than 50%, especially achieving a breakthrough in overcoming the industry challenge of low-frequency noise blocking.

The present application relates to a kind of perovskite precursor solution stability protection method, belong to perovskite photovoltaic technical field, solve the problem that perovskite precursor solution is easily affected by light, oxygen and water vapor and occurs degradation deterioration in the process of opening bottle use.The method of the present application is: perovskite precursor solution is stored in liquid storage container, perovskite precursor solution surface is covered with a layer of liquid protective layer formed by liquid protective agent;The absorbance A of liquid protective layer in 300~550 nm wave band is greater than or equal to 3.The present application forms threefold protection of light shielding, oxygen isolation and water vapor barrier through liquid protective layer, can continuously provide interface protection in the process of opening bottle and static storage, effectively improve the stability of perovskite precursor solution.

The invention relates to a medical instrument, in particular to a clinical gastrointestinal decompression auxiliary device for the digestive system department. The invention provides a clinical gastrointestinal decompression auxiliary device for the digestive system department. A clinical gastrointestinal decompression auxiliary device for the digestive system department comprises a bed frame, a first bed board, a second bed board, a first side edge board, a first connecting rod, a movable rolling wheel piece and the like. Second bed plates are hinged to the two sides of the first bed plate. A first side plate is fixedly connected to one side of the bed frame. Second connecting rods are longitudinally and symmetrically connected to the first side plate in a sliding mode. First connecting rods are transversely and fixedly connected to the bottoms of the second connecting rods, and movable rolling wheel pieces are arranged on the tops of the two second connecting rods. The winding drum cloth is matched with the clamping assembly, the drawn winding drum cloth directly covers the upper body of a patient, and the winding drum cloth laying process has the effects of being simpler, more comprehensive and more stable.

The invention relates to the technical field of webpage content protection, and discloses a webpage watermark anti-hiding generation method based on a package protection structure. The method comprises the following steps: firstly, determining an information source after a page is initialized, and generating and caching watermark image data based on canvas; a watermark load layer is dynamically created, display and visibility, transparency, filter, size, positioning, hierarchy, transformation and pointer penetration parameters are solidified by adopting an in-line style, a watermark image is tiled through a background style, and a highest priority mark is written in; creating a watermark wrapping layer and a watermark protection layer, placing the protected content in the protection layer, solidifying the positioning pattern of the wrapping layer and the positioning and overflowing pattern of the protection layer, and enabling the level of the load layer to be larger than that of the protection layer; and monitoring deletion of nodes of a wrapping layer and a sub-tree of the wrapping layer and attribute changes of the stack and the hidden, pausing monitoring and executing load layer reconstruction back-insertion or protection layer style resetting or wrapping layer style resetting when a modification operation which is not allowed is identified after triggering, and recovering monitoring after verification.

This invention discloses an antioxidant-rich, long-lasting, gentle foundation and its preparation method, belonging to the field of cosmetic technology. The raw materials of the antioxidant-rich, long-lasting, gentle foundation, by weight, include: 20-25 parts of powder dispersion, 45-50 parts of oil phase, 17-30 parts of aqueous phase, and 1.5-2 parts of active ingredient additives. The active ingredient additives include 1.2-1.7 parts of plant extracts; the plant extracts include oat bran extract, Scutellaria baicalensis root extract, Ophiopogon japonicus root extract, Paeonia lactiflora root extract, and Prickly pear root extract. The synergistic use of various plant extracts in this invention significantly improves the waterproof, sweat-proof, and long-lasting effects of the foundation. Simultaneously, the foundation has good antioxidant properties, can maintain skin whiteness for a long time, has strong concealing power, and is non-sticky and easy to apply evenly. The foundation prepared by this invention is gentle and non-irritating, suitable for various skin types.