16results about How to "Ensure retention" patented technology

The invention discloses an unmanned aerial vehicle formation obstacle avoidance and trajectory optimization method based on general calculation cooperation. The method comprises the following steps: step 1, formation control design among multiple unmanned aerial vehicles: utilizing a leader-follower formation model based on a virtual leader; modeling the unmanned aerial vehicle formation by an undirected graph G = (V, E); and 2, designing a path planning algorithm of the virtual leader: combining an artificial potential field method with an A * algorithm to carry out dynamic path planning. According to the method, the traditional A * algorithm is optimized, and an adaptive path search mechanism is introduced, so that the path search efficiency is remarkably improved. The unmanned aerial vehicles in the formation serve as independent units, and the stability of the formation is maintained while path planning is carried out. The invention provides a new method for unmanned aerial vehicle formation obstacle avoidance and path planning in an obstacle environment.

The utility model provides a cattle fly killing device for a beef cattle farm, which comprises a fly trapping suction mechanism, a fly killing and collecting mechanism and a suspension ring, the fly trapping suction mechanism is provided with the fly killing and collecting mechanism in a threaded meshing manner, and the fly killing and collecting mechanism is positioned below the fly trapping suction mechanism; the suspension ring is fixedly mounted above the fly luring suction mechanism; innovation is carried out on the original basis, a negative pressure suction mechanism is additionally arranged, mosquitoes are actively attracted and blown to the power grid, the mosquitoes are effectively prevented from escaping, and the fly killing effect is remarkably improved. Meanwhile, airflow of the fan drives the medicament to diffuse, so that double fly killing is realized. The spraying pipe does not rotate any more, collision is avoided, object integrity is protected, and stability and durability of the device are guaranteed.

A foldable display device according to an exemplary embodiment of the present invention includes: a first support plate and a second support plate; a display panel disposed on the first support plate and the second support plate; and a hinge assembly disposed between the first support plate and the second support plate, wherein the hinge assembly includes: a first hinge arm and a second hinge arm rotatably connected to each other; a first bevel gear and a second bevel gear respectively coupled to the first hinge arm and the second hinge arm in a vertical direction; and a first gear arm and a second gear arm fastened in a manner interlocking with the first hinge arm and the second hinge arm, wherein the display panel performs folding and unfolding operations about a rotation axis different from the central axis of the first bevel gear and the second bevel gear.

The utility model discloses a kind of building steel structure revetment structures, including multiple mutually butting steel structure revetment mechanisms, four corner places in each steel structure revetment mechanism are fixedly provided with reinforcing mechanism, the adjacent place of four steel structure revetment mechanisms is provided with first connecting assembly, the adjacent place of two steel structure revetment mechanisms is provided with second connecting assembly, the outside of each steel structure revetment mechanism is provided with intercepting net board, steel structure revetment mechanism includes steel structure frame, four corner places of steel structure frame top are all provided with arc-shaped gap, each arc-shaped gap is all provided with circular butt joint groove, connecting screw hole is all provided in each circular butt joint groove. The utility model is connected after the butt joint of multiple steel structure revetment mechanisms, is connected by first connecting assembly and second connecting assembly respectively, while reinforcing each steel structure revetment mechanism by reinforcing mechanism, ensure the stability of overall revetment mechanism, guarantee that revetment structure whole is more firm, improve the function of revetment structure.

This invention relates to the field of IoT communication technology for lubrication equipment, and discloses a method and system for switching control of IoT edge communication modes for lubrication equipment. Edge nodes collect real-time communication environment data, equipment operation data, and business data requirements. Based on this multi-dimensional data, a multi-dimensional switching decision model is constructed. Physical dimension differences are eliminated through standardization processing, and a comprehensive score for each supported communication mode is dynamically calculated. Dynamic monitoring is performed based on the comprehensive score and trigger conditions including preset difference parameters. When the conditions are met, the target communication mode is selected and seamless switching is performed. When a device fault is detected, a fault adaptation evaluation value is calculated, and a forced switch to a low-latency communication link is initiated. This invention achieves deep coupling between the underlying communication state and mechanical operating conditions, thereby possessing edge emergency takeover and overflow prevention buffering capabilities under network-wide interruption, ensuring equipment operational safety.

The application discloses a special feed for fattening pigs rich in functional amino acids, which comprises the following components in parts by weight: a core functional amino acid composition 3-5 parts, a low-soybean meal multi-protein matrix 60-70 parts, a nutrition synergistic component 20-25 parts, an anti-nutritional factor degradation agent 1-2 parts, and a micro-ecological and plant extract component 1-2 parts. A preparation method comprises the following steps: obtaining the low-soybean meal multi-protein matrix by pretreating raw materials; preparing the core functional amino acid microcapsule; mixing the basic materials and then performing low-temperature section granulation; after cooling, mixing the micro-ecological and plant extract component at low temperature; and finally screening and removing impurities and unqualified particles to obtain the finished product. The application optimizes the amino acid ratio and the preparation process, protects the activity of the amino acids, adapts to different growth stages of the fattening pigs, improves the growth performance and carcass quality, improves the raw material digestion rate, reduces nitrogen emission, and has strong applicability.

The application discloses oil fragrance cutting and oiling integrated equipment and relates to the technical field of food processing equipment, and aims to solve the technical problems of high labor intensity and uneven application effect of manual oil application in oil fragrance production, poor coordination effect of simple automatic application device and cutting equipment, improper application time, unstable oil supplement, easy equipment failure during operation and high maintenance cost, and the application comprises a cutting mechanism and an oiling mechanism. In the operation process, the cutting and oiling actions are closely matched, the integration and automatic process of cutting and oiling are realized, the production cycle of a single oil fragrance dough is greatly shortened, the overall production efficiency is significantly improved, the demand of large-scale production can be met, the application brush is opposite to the oiling brush, stays on the dough surface for a long time, only temporarily moves up to supplement oil in the gap interval between two doughs, the idle waiting time of the equipment is reduced, and the production efficiency is further improved.

The utility model discloses glutathione catalytic liquid multistage ultrafiltration purification equipment, and relates to the technical field of ultrafiltration purification, the glutathione catalytic liquid multistage ultrafiltration purification equipment comprises a liquid storage box, a purification box and a microbial limit detector, the inner side of the purification box is fixedly connected with two groups of vertically arranged partition plates, the outer parts of the partition plates are provided with filter screens, and a purification mechanism is installed between the two groups of partition plates; a polyether sulfone ultrafiltration membrane layer is arranged outside the first mounting plate, and a sterilization-grade terminal filter membrane is arranged outside the second mounting plate; the microbial limit detector is fixedly connected to the inner side of the purification box, and a backflow mechanism is mounted in the purification box. The device realizes step-by-step interception of impurities through functional stacking of a polypropylene fiber layer, a glass fiber layer and an activated carbon layer, combines molecular sieve separation and absolute interception of a polyethersulfone ultrafiltration membrane and a terminal degerming membrane, introduces a liquid level sensor to be linked with a material conveying pump to realize dynamic circulating purification, ensures high recovery rate of glutathione, and meanwhile, reduces the production cost of glutathione. And the sterile and integrated efficient treatment of the catalytic liquid is achieved.

The utility model discloses an automobile wire with ultrahigh terminal retentivity, which relates to the technical field of automobile wires and comprises an insulating layer, a plurality of conductor layers are arranged in the insulating layer, each conductor layer is formed by twisting a plurality of annealed soft copper wires, a plurality of sheath layers are detachably connected outside the insulating layer, each sheath layer comprises a lower sheath and an upper sheath, and the lower sheath and the upper sheath are respectively provided with an outer sheath and an inner sheath. The upper sheath is hinged to the upper end of the lower sheath, the end face, far away from the hinged position, of the lower sheath is fixedly connected with an embedded part, the end face, far away from the hinged position, of the upper sheath is provided with an embedded groove matched with the embedded part, and the two adjacent sheath layers are detachably connected. And if a certain part of the electric wire has a fault, a protective sleeve of the electric wire may be damaged to maintain the fault part, and the requirement of 50N of 0.35 mm < 2 > cannot be met.

The utility model discloses a compressor via hole connector, which comprises a plug sheath, one end of the plug sheath is connected with a socket sheath, the other end of the plug sheath is provided with a jack for a plug terminal to insert, the jack is internally provided with an elastic tongue which is matched with the plug terminal in a hanging way, and the plug sheath is provided with a clamping assembly which is matched with the plug terminal in a stopping way. According to the compressor connector, only one socket sheath and one plug sheath are needed in the function implementation process, the compressor connector is composed of the two parts, compared with an existing compressor connector, manufacturing of the parts is reduced, the part manufacturing and production cost is more economical, and the compressor connector is suitable for popularization and application. Meanwhile, the clamping assembly is arranged on the plug sheath, the holding force of the plug sheath to the plug terminal is guaranteed through the clamping assembly, manufacturing of parts is reduced on the basis that the holding force is guaranteed, and the technical problems that an existing compressor connector is provided with a large number of parts, and the manufacturing and production cost of the parts is not economical enough are solved.

The utility model relates to the technical field of testing devices, in particular to a pulling-out force test board for a rubber wire harness sheath of an electric supporting rod. Two guide columns are fixedly arranged on the base, an upper top plate is fixedly connected to the upper ends of the guide columns, a middle plate is arranged below the upper top plate, the two ends of the middle plate are slidably connected to the guide columns through bearings, a through hole is formed in the center of the upper top plate, and a lead screw is connected into the through hole of the upper top plate in a penetrating mode and fixed through a bearing. The bearing is rotatably connected with the lead screw, the lower end of the lead screw is connected to the upper end of the middle plate, the lower end of the middle plate is connected with the ejector rod, the base is further provided with a force sensor, a test plate is arranged above the force sensor, and the test plate is provided with a simulated automobile body metal plate hole. The pull-out force performance of the wire harness sheath can be accurately and rapidly reflected, the retention force between the wire harness sheath and a metal plate hole is ensured, the reliability and stability of an electric tail gate assembly in the operation process are greatly guaranteed, and the pull-out force detection device has the advantages of being simple in design and compact in structure and is flexible and convenient to disassemble and assemble when used.

The utility model discloses an adjustable cutting device and a machining drilling machine suitable for machining annular parts, which belong to the technical field of machining, and comprise a tool apron with a clamping rod, and an inner diameter machining assembly and an outer diameter machining assembly on the tool apron are arranged in a staggered and crossed manner, and a centering assembly is correspondingly arranged. The combined arrangement of the two cutters and the centering needle can be quickly realized, and the cutters in the two machining assemblies accurately correspond to the inner diameter and the outer diameter of the to-be-machined non-metal annular piece, so that the cutting machining requirement of the non-metal annular piece is met. The adjustable cutting device suitable for machining the annular parts is simple in structure, convenient to use, capable of effectively utilizing existing drilling machine equipment and rapidly completing machining of the non-metal annular parts, easy and convenient to install, high in machining precision of the annular parts, wide in application range, capable of being rapidly adjusted according to the size difference of the annular parts and high in machining efficiency. And the device is particularly suitable for machining multiple types of single-piece small-batch annular pieces, and has good practical value.

The utility model discloses a novel terminal hitching structure and assembly, comprising a unidirectional elastic hitching unit arranged in a terminal pair jack, a non-elastic fixed hitching unit is also arranged in the terminal pair jack, and the unidirectional elastic hitching unit and the non-elastic fixed hitching unit are arranged oppositely. The terminal applies pressure to the two hooking units in the connector, the stress of the two hooking units is relatively balanced, and the unidirectional elastic hooking unit and the inelastic fixed hooking table are arranged together, so that the bearable pressure is increased, the hooking reliability of the terminal in the connector is improved, and the retaining force of the terminal in the connector is effectively ensured; meanwhile, the two hooking units are stressed, the pressure acting on the one-way elastic hooking unit is reduced, the one-way elastic hooking unit can be replaced by a material with low requirement on material toughness, the material cost of the hooking structure is reduced, and the problem that in the prior art, the terminal cannot be damaged while the holding force of the terminal in the connector is ensured is solved. And the material cost of the hooking structure is reduced.

The utility model provides a positioning device for roving spinning, which relates to the technical field of cotton yarn roving and comprises a bottom plate, a limiting device is arranged on the surface of the bottom plate and comprises an electric push rod, the electric push rod is fixedly connected with the bottom plate, and two telescopic rods are fixedly connected to the surface of the bottom plate. The output end of the electric push rod is fixedly connected with a fixing frame, the two telescopic rods are both fixedly connected with the fixing frame, a sliding groove is formed in the surface of the fixing frame, the inner wall of the sliding groove is slidably connected with an L-shaped block, a long arm of the L-shaped block is fixedly connected with a limiting cylinder, and the long arm of the L-shaped block is in threaded connection with a screw rod; the surface of the fixing frame is fixedly connected with a scale strip, and a short arm of the L-shaped block is fixedly connected with a pointer. According to the utility model, the problems that the roving is easy to deviate, the tension of the yarn is not uniformly distributed in the take-up and pay-off process due to the position deviation, and the yarn is broken or knotted are solved.

The utility model discloses a dust collector dust discharging port storage device of automatic collection of raising dust and dissipating, including dust chamber, off -line poppet, hopper, cloth bag gas bag injection mechanism, partition inclined plate, flue gas inlet pipe, the inside of dust chamber top is provided with off -line poppet, and the bottom fixed mounting of dust chamber has the hopper, and the top of hopper is provided with cloth bag gas bag injection mechanism, and the side of dust chamber is provided with flue gas inlet pipe, and the top of flue gas inlet pipe is linked together with dust chamber, and is provided with partition inclined plate, and the bottom of flue gas inlet pipe is connected with ash bin pipe mouth, and the side of ash bin pipe mouth is provided with dust check mechanism, and the inner chamber fixed mounting of hopper top has a plurality of even distribution air deflector, the utility model discloses through dust check mechanism, even distribution air deflector etc. mechanism has improved dust collection efficiency, through the cooperation of ash receiving seal box and raising dust collection pipeline etc. structure, effectively prevent raising dust and dissipating, and realize the automation operation of device through automatic control module, improve work efficiency.

The utility model discloses a female end base and a signal connector, which comprise a shielding assembly, the shielding assembly is provided with a limiting concave part, the shielding assembly is arranged in an installation cavity of the female end base, the upper side wall or the lower side wall of the shielding assembly is provided with a protruding abutting boss, the abutting boss is located on the left side of the limiting concave part, and the limiting concave part is arranged on the left side of the abutting boss. A limiting step abutting against the abutting boss is arranged in the installation cavity, the abutting boss abuts against the limiting step, the first elastic limiting claw and the second elastic limiting claw on the female end base are located in the limiting concave part, and the claw part of the first elastic limiting claw and the claw part of the second elastic limiting claw abut against the left end face of the limiting concave part. The beneficial effects of the utility model are that through the arrangement of the first elastic limiting claw and the second elastic limiting claw, the retention force of the female end base and the shielding assembly is ensured, and TPA parts do not need to be assembled during assembly, so that the assembly cost and the part cost are reduced.