298results about How to "Avoid separation" patented technology

The invention relates to a road infrastructure full-automatic inspection method, device and equipment based on an unmanned aerial vehicle group, and a medium thereof. The method aims at the problem that disease characteristics collected by unmanned aerial vehicles in traffic flow and vegetation shielding scenes are broken, and the method comprises the following steps of: decoupling texture and motion characteristics of a dynamic shielding area; feature maps of the effective area and the shielding area are separated; performing cross-frame splicing and continuous repair on the fracture features by using an optical flow constraint generation network, and reconstructing the geometric integrity of a shielded region; infrared data are fused to correct thermal deformation errors, and a high-precision continuous curved surface model is generated; and finally, based on a disease quantitative feature vector matching maintenance strategy, realizing full-process automation from data acquisition to decision output. According to the method, the continuous modeling precision and the maintenance decision reliability of pavement disease detection in the shielded environment are remarkably improved.

The invention relates to the technical field of plug connectors, in particular to a quick-plug connection assembly and fluid conveying equipment, the quick-plug connection assembly comprises a first plug connector, a second plug connector and a locking cap, and an external thread structure is arranged on the peripheral side of the first plug connector; the second plug connector is in plug-in fit with the first plug connector, and a first limiting part is arranged at one end, far away from the first plug connector, of the second plug connector; the locking cap is arranged on the peripheral side of the second plug connector in a sleeving mode, an internal thread structure is arranged on the inner surface of the locking cap, the internal thread structure is in threaded fit with the external thread structure, and a second limiting part is arranged in the locking cap; when the internal thread structure is in threaded connection with the external thread structure, the second limiting part abuts against the first limiting part and is used for limiting the second plug connector to move in the direction away from the first plug connector. According to the quick-insertion connection assembly, the connection reliability is remarkably improved while quick insertion convenience is kept, and the quick-insertion connection assembly can effectively adapt to high-pressure and vibration working conditions.

The utility model discloses a governor vessel moxibustion appliance belongs to medical instrument field. The utility model adopts technical scheme, a governor vessel moxibustion appliance, including a plurality of first and last joint's assembling part, the assembling part includes two parallel and symmetrically arranged side plates, one end of the side plate inboard has recessed third round connecting part, the utility model assembles only needs to align second arc groove with second L type arc plate, then through rotation and rotates second L type arc plate to second arc groove, makes second arc convex platform to second L type arc plate and carries out the limit, can complete the assembly of two assembling parts, and installation is quick, can greatly reduce the labor intensity of medical staff, greatly increases the ability of adapting to different height patient, and the hospital only needs to purchase a certain number of assembling parts when purchasing governor vessel moxibustion appliance, carries out the separate replacement of the assembling part damaged in the use process, can effectively reduce the cost of hospital adoption.

The application discloses a kind of surveying equipment integration instrument cabinet, it is related to the field of instrument cabinet, including cabinet, the inside of the cabinet is provided with first placing chamber and second placing chamber, and the inner wall bottom end of first placing chamber and second placing chamber is provided with second clamping component, the top of the inner wall of first placing chamber and second placing chamber is provided with first clamping component, the side of the cabinet is movably installed with multiple groups of first push rod and second push rod, the side of the cabinet is provided with receiving slot, and the two sides of the inner wall of receiving slot are movably provided with clamping plate.The application achieves the purpose of fixing total station and infrared level, the total station and infrared level are placed in first placing chamber and second placing chamber, when first cabinet door and second cabinet door are closed, the total station and infrared level are fixed by first clamping component and second clamping component, to avoid the total station and infrared level from falling down when the cabinet is moved, and causing damage.

The application provides a printed circuit board defect detection method and system based on deep learning, wherein the method comprises the following steps: inputting a PCB original image into a deep neural network for target detection reasoning; before the target detection reasoning, performing data preprocessing and background and edge extraction on the PCB original image; wherein the deep learning method aligns the PCB original image with a standard board image; after the alignment of the PCB original image with the standard board image, a deep target detection model is used for defect detection, and the deep target detection model is a two-stage target detection model of a comprehensive single-stage target detection algorithm; based on the deep target detection model, the defect detection of the PCB original image is completed, and a detection result is output. The defect detection scheme and process are optimized in efficiency; while ensuring the recall rate of PCB appearance defect detection, the detection accuracy is improved, and the academic research and application prospect are very broad, and the application can truly contribute to the PCB industry.

This utility model discloses a relay protection pressure plate device, including a relay protection pressure plate body. Two sets of connector bodies are fixedly connected to the upper surface of the relay protection pressure plate body, and a sealing mechanism is fixedly connected to the upper surface of the relay protection pressure plate body. A limit mechanism is fixedly connected to the outer surface of the sealing mechanism. The sealing mechanism includes a sealing shell fixedly connected to the upper surface of the relay protection pressure plate body, a fixed shell slidably connected to the inner wall of the sealing shell, and a rotating shell fixedly connected to the other end of the fixed shell. This convenient relay protection pressure plate device belongs to the field of relay protection technology. This convenient relay protection pressure plate device, through the multi-layer shell structure of the sealing mechanism and the cooperation of the sliding sealing plate, can effectively block the intrusion of external factors such as dust and moisture, protect internal components, and the arc-shaped chamfer design of the fixed shell eliminates the risk of jamming, ensures smooth sealing operation, and improves circuit adjustment efficiency.

This utility model discloses a steel ball transfer bucket, belonging to the technical field of grinding equipment. It includes a bucket body, a central shaft, a discharge disc, a central shaft support, a central shaft fixing ring, and a locking cone. The central shaft is located in the middle of the bucket body, and a central shaft fixing ring is fitted onto the central shaft. Several central shaft supports are spaced apart around the central shaft fixing ring. A discharge disc is located at the lower end of the central shaft. An external thread is formed on the outer surface of the central shaft, and a locking cone is located at the position of the external thread. This design effectively prevents leakage during transfer and eliminates the need for personnel to approach or open the gate during ball unloading, ensuring safe and convenient ball unloading. It also effectively prevents the risk of residual steel balls inside the transfer bucket being instantly discharged during recycling, thus protecting worker safety.

This invention discloses a concrete mix design and manufacturing method for underground engineering concrete in a coupled environment of underground environment and load, relating to the field of underground engineering concrete technology. It aims to address the problem that traditional concrete mix design does not fully consider the coupling effect of underground environment and load. The underground environment includes groundwater erosion, wet-dry cycle, and temperature fluctuation; the load includes stress ratio. α s Dynamic load frequency and dynamic load amplitude α d This leads to technical problems such as insufficient erosion resistance, crack resistance, and mechanical stability of concrete, resulting in a short service life. This mix design is based on quantitative analysis of coupled environmental parameters. With cement, composite admixtures, recycled aggregates, modifiers, water, and additives as core components, the basic mix proportion is determined through a mapping model between "environment-load" coupled parameters and component content. The target mix proportion is then obtained through orthogonal experimental optimization. The manufacturing method includes four core steps: raw material pretreatment, graded mixing, gradient curing, and coupled environmental simulation curing.

The utility model discloses an LED (light-emitting diode) lamp strip connecting wire assembly, which particularly relates to the technical field of lamp strip connection and comprises a lamp strip, a connecting seat is arranged at one end of the lamp strip, a positioning assembly is arranged outside the lamp strip and the connecting wire, the positioning assembly comprises a mounting seat, and a top cover is arranged at the top of the mounting seat. A positioning threaded rod and a rotating handle are arranged on one side of the mounting base, a limiting ring, a limiting base and a positioning side plate are arranged at one end of the positioning threaded rod, a T-shaped limiting sliding rail and a limiting sliding groove are formed in the side face of the positioning side plate, and a supporting plate and a stabilizing base are arranged outside the positioning threaded rod. The rotary handle is rotated to drive the positioning threaded rod to eject out the positioning side plates, so that the two positioning side plates position and clamp the connecting base and the butt joint base, the situation that the lamp strip connecting position is separated due to external force pulling is prevented, the limiting ring is rotationally connected into the limiting base, and the clamping effect is good. Therefore, the positioning side plate is prevented from rotating along with the positioning threaded rod.

The present application relates to a connector assembly, comprising: a wire-end connector, comprising a housing, a first terminal and a first locking structure, the first terminal being at least partially inserted into the housing, and the first locking structure penetrating into the housing in a direction perpendicular to the insertion direction of the first terminal to lock the housing and the first terminal; a board-end connector, which is matched with the wire-end connector; a pressing buckle structure, which is arranged on the board-end connector and the wire-end connector to fix the board-end connector and the wire-end connector when the board-end connector and the wire-end connector are matched; and a second locking structure, which is movably arranged on the wire-end connector and locks the pressing buckle structure after the board-end connector and the wire-end connector are matched in place. The connector assembly increases the holding force and stability of the first terminal by arranging the first locking structure in the wire-end connector, and the connector assembly can avoid the separation of the wire-end connector and the board-end connector caused by mispressing by arranging the second locking structure.

The utility model relates to the technical field of electronic building blocks, in particular to an electronic building block programming base which comprises a base body, a conductive button, a main board slot and an adapter plate, the conductive button, the main board slot and the adapter plate are all arranged on the base body, and the main board slot, the adapter plate and the conductive button are electrically connected in sequence. According to the electronic building block, the programming board is conveniently connected with the base through the main board slot, then is electrically connected with the conductive buttons through the adapter board, and is directly connected with other electronic building block modules through the conductive buttons, so that the electronic building block is conveniently connected with the programming board, and the programming function of the electronic building block is improved.

The application provides a brake disc and a vehicle, and belongs to the technical field of vehicle braking systems, and comprises a disc cap, an outer disc and an inner disc; the disc cap is coaxially fixed to a wheel hub; the outer disc is coaxially connected to the outer periphery of the disc cap, and the outer surface of the outer disc forms an outer braking surface ring; the inner disc is coaxially connected to the outer disc as a whole through multiple ventilation ribs, the inner surface of the inner disc forms an inner braking surface ring, and the outer diameters of the inner braking surface ring and the outer braking surface ring are consistent; a plurality of heat dissipation channels are formed between the outer disc and the inner disc based on the ventilation ribs, and each ventilation rib is a variable cross-section gradient structure with the cross-sectional area increasing from the middle to the two ends in the respective axial direction. The brake disc provided by the application adopts the variable cross-section gradient structure with the middle being thin and the two ends being thick, can optimize the thermal stress distribution and mechanical properties of the ventilation rib, reduces the risk of cracks, the middle being thin helps to improve the air flow speed, and the two ends being gradually thickened helps to form stable airflow, thereby enhancing the convective heat dissipation efficiency and improving the heat dissipation performance.

The application relates to the technical field of materials for generators, and provides a preparation method of an elastic material for a wind turbine generator set slip ring support, which comprises the following steps: after amino-terminated polydimethylsiloxane is dissolved in an organic solvent, diisocyanate is slowly added dropwise, a disulfide bond chain extender is added after reaction, and the temperature is increased to continue the reaction, so that amino-terminated polydimethylsiloxane elastomers containing dynamic disulfide bonds are obtained; after the elastomers prepared above are dissolved in an organic solvent, 4,4'-diamino diphenyl disulfide and trimellitic anhydride are added, and PDMS prepolymers are obtained after reaction; after polyimide monomers are dissolved in an organic solvent, the monomers are added into the PDMS prepolymers prepared above in batches, and then the temperature is increased in stages to react for a period of time, and the temperature is cooled to room temperature, so that the elastic material is obtained; the elastic material can still maintain sufficient toughness and anti-vibration capacity in a low-temperature environment, the risk of breakage is reduced, and the operation reliability of the wind turbine generator set in a severe cold region is improved.

This application relates to the field of smartwatch technology, and provides a smartwatch including: a main unit and a watch band; the main unit has a slide rail with a groove; the watch band has a lead-in structure, the lead-in structure including a lead-in body and an unlocking component, the lead-in body having a groove, and the unlocking component being disposed on the lead-in body; in the connected state, the slide rail is engaged in the groove of the lead-in structure, and the latch of the unlocking component is engaged in the groove to prevent the slide rail from sliding out of the groove; moving the operating part of the unlocking component causes the latch to retract from the groove into a first clearance hole in the lead-in body, so that the slide rail can slide out of the groove. This application has a simple structure, and the watch band and main unit can be quickly separated, realizing quick disassembly and assembly of the watch band and improving the user experience. This application also provides a main unit, a lead-in structure, and a watch band.

The utility model relates to the technical field of rubber sheet production, in particular to rubber sheet and cloth pressing equipment. According to the technical scheme, the device comprises a fixing frame and pressing rollers, the two pressing rollers are rotationally installed on one side of the outer surface of the fixing frame from top to bottom, and two upper flattening rollers and two lower flattening rollers are rotationally installed on the side, away from the pressing rollers, of the outer surface of the fixing frame and close to the upper surface and the lower surface from top to bottom correspondingly; and spiral lines are symmetrically arranged on the outer surfaces of the two upper flattening rollers and the two lower flattening rollers. The rubber sheet and the cloth can be flattened before being pressed, wrinkles on the rubber sheet and the cloth are eliminated, the rubber sheet and the cloth can be fully attached when being pressed, the binding force between the rubber sheet and the cloth is improved, the rubber sheet and the cloth are prevented from being separated, the service life is prolonged, and the production cost is reduced. And meanwhile, the flatness of the surface of the laminated sheet is improved, and the appearance quality is improved.

The utility model belongs to bridge construction technical field, specifically discloses a kind of formwork for hollow thin-walled pier construction of convenient form removal, including roof, the inside core is longitudinally welded in the center of roof bottom, the front end and rear end of roof bottom are longitudinally provided with formwork one respectively, the both sides of roof bottom are longitudinally provided with formwork two respectively, the inside core is longitudinally welded in the center of the both sides of roof bottom respectively.The formwork for hollow thin-walled pier construction of convenient form removal can fix roof above formwork one and formwork two, while inside core is suspended and inserted in the inside of the structure, after internal slurry solidification, external force can be lifted vertically along the slide rail of both sides connecting block support rod and roof, while the sliding block of connecting block side moves along the inner wall of slide rail, the gear inside sliding block is engaged with the tooth slot in slide rail and prevents sliding block from being stuck under the lubrication of ball bearing, solve the problem of inconvenient extraction of inside core.

The utility model discloses a glass curtain wall installing and positioning device which comprises a suction cup positioning assembly and a glass curtain wall body arranged on the front face of the suction cup positioning assembly, the top of the suction cup positioning assembly is fixedly connected with a clamping mechanism, the clamping mechanism comprises a double-end air cylinder, the output end of the double-end air cylinder is fixedly connected with an extending plate, and the extending plate is fixedly connected with the suction cup positioning assembly. A lower plate is fixedly connected to the inner side of the bottom of the extension plate, the bottom of the lower plate is slidably connected with the suction cup positioning assembly, the outer side of the lower plate penetrates to the outer side of the suction cup positioning assembly and is fixedly connected with a side clamping plate, and the inner side of the side clamping plate is located on the surface of the glass curtain wall body. According to the installation positioning device, the phenomenon that the safety is poor due to the fact that limiting only depends on suction cups in the prior art is changed, the glass curtain wall body is clamped through the side clamping plates, the phenomenon that the suction cups fall off when encountering large external wind power and the like is avoided, installation safety of the glass curtain wall is effectively guaranteed, and installation quality is improved.

The tortoise car convenient to splice comprises supporting plates and trundles, each supporting plate comprises short edges distributed front and back and long edges distributed left and right, each long edge is provided with a first inserting head, the long edge on the other side is provided with a first inserting groove capable of being matched with the first inserting head on the adjacent supporting plate in an inserted mode, and the trundles are arranged in the first inserting grooves. A first locking structure capable of connecting and fixing the first slot with the first plug on the adjacent support plate is arranged on the first slot; a second plug is arranged on the short edge, a second slot capable of being plugged with the second plug on the adjacent supporting plate is formed in the short edge on the other side, and a second locking structure capable of enabling the second slot to be fixedly connected with the second plug on the adjacent supporting plate is arranged on the second slot. By means of the structure, the difficulty of splicing operation can be greatly reduced, locking is achieved through the locking structure on the tortoise car, and the situation that the spliced tortoise car jolts violently due to the uneven ground in the transportation process, and consequently the tortoise car is separated can be avoided.

The utility model discloses a multilayer anti-bending FPC flexible circuit board structure, which comprises an FPC circuit board main body and an anti-bending structure, the FPC circuit board main body is formed by compounding a plurality of layers of structures, and the anti-bending structure is arranged on the FPC circuit board main body; when the FPC circuit board main body is in a bending and folding state, the FPC circuit board main body has a transitional cambered surface through the bending-resistant structure, and can not be directly folded by 90 degrees or 180 degrees. According to the utility model, through the anti-bending structure, when the FPC circuit board main body is in a bending state, a transitional cambered surface can be formed, and direct folding of 90 degrees or 180 degrees is avoided, so that stress can be effectively dispersed, and the damage risk of the FPC circuit board under extreme conditions is reduced.

An anti-impact and anti-leakage fuel tank filler cap sealing assembly includes an inner shell provided with a through gun insertion channel, an end cover including a gun insertion cavity seat connected to the inner shell at a corresponding gun insertion channel entry end and an annular clamping edge integrally provided on the outer periphery of the gun insertion cavity seat, the end cover being provided with a gun insertion cavity opening corresponding to the gun insertion channel, and an outer tube clamping cavity being provided between the annular clamping edge and the inner shell, an outer sealing cover for sealing the gun insertion cavity opening, a broken material protection structure being provided between the gun insertion cavity seat and the annular clamping edge, the broken material protection structure including a set of connecting plates arranged at least partially around the outer periphery of the gun insertion cavity seat and a through slot, the connecting plates and the through slot being circumferentially adjacent to each other, the connecting plates being connected to the gun insertion cavity seat and the annular clamping edge at the two radial ends thereof, respectively, to avoid separation of the end cover from the inner shell and to reduce the risk of oil tank sealing failure in an accident.

The utility model provides forest fire prevention early warning equipment which comprises an infrared thermal imager, a support is installed at the bottom of the infrared thermal imager, the support is of an L-shaped structure, an end cover is arranged on the outer side of a lens part of the infrared thermal imager, two lens covers are installed on the face, away from the infrared thermal imager, of the end cover, and the two lens covers are connected with the infrared thermal imager. Bosses are installed on the two parallel side faces of the infrared thermal imager, the end cover is connected with the bosses through screws, air supply hoses communicated with the compressed air tank through valves are installed at the four corners of the face, away from the lens cover, of the end cover, and two vent holes communicated with the air supply hoses are formed in the lens cover. A shielding plate used for shielding the section, close to the infrared thermal imager, of the air supply hose is installed on the face, away from the infrared thermal imager, of the boss. The device has the advantage that sunlight shielding can be carried out on the ends, close to the infrared thermal imager, of the multiple air supply hoses which are in a dispersed state and are not suitable for being wound by the sun protection belt.

The utility model relates to the technical field of coated paper, in particular to high-scratch-resistance coated paper. According to the technical scheme, the base paper comprises a base paper body and a lamination layer, the lamination layer is arranged on the upper surface of the base paper body, a smooth wear-resistant coating is arranged on the upper surface of the lamination layer, a plurality of combination grooves are evenly formed in the upper surface of the base paper body, and protruding points are formed in the positions, located in the combination grooves, of the lower surface of the lamination layer. And the convex points are positioned in the combination grooves. According to the laminated paper, the bonding strength between the laminated layer and the body paper layer can be enhanced, the scraping resistance of the surface of the laminated layer is improved, and the phenomena that the laminated layer on the surface of the laminated paper is damaged due to external force scraping and the laminated layer is separated from the body paper layer are effectively avoided.

This invention relates to the field of cross-flow fan technology, and more particularly to a cross-flow fan blade and a cross-flow impeller using the same, comprising a blade body; the blade body is a solid structure, and the outer surface of the blade body includes a pressure surface, a suction surface, and two side surfaces; the two ends of the pressure surface respectively enclose the two ends of the suction surface to form a leading edge and a trailing edge of the blade, both of which have rounded ends; the pressure surface gradually concaves towards the suction surface from one end of the leading edge to one end of the trailing edge, and the size of the leading edge is larger than that of the trailing edge; the cross-sectional thickness of the blade body gradually decreases from one end of the leading edge to one end of the trailing edge; the suction surface has a recessed cut that does not penetrate the pressure surface but penetrates both side surfaces. This invention can solve the problems of severe airflow separation, large inlet air impact, high vortex noise, and low fan efficiency existing in the prior art of cross-flow fan blades.

This utility model discloses a single-pitch shift fork mechanism for sign assembly, relating to the field of sign assembly technology. It includes a mounting plate with a mounting rod fixedly connected to the top, and a guide plate three fixedly connected to the top of the mounting rod. In this utility model, the insertion rod is slidably connected to an auxiliary component, and the guide plate two is slidably connected to the guide plate one. A shift fork pitch cylinder drives the shift fork body to move, and the insertion rod slides along the auxiliary component, achieving distance adjustment between the two shift fork bodies. The shift fork cylinder drives the shift fork body and guide plate two to move, and the shift fork mechanism transfer cylinder drives the guide plate one to move along the guide rail, enabling the insertion and movement of signs, thereby assisting in sign assembly, reducing manual labor, preventing hand injuries, and ensuring assembly safety. A buffer plate is used to cushion and protect the sides of the guide plate one and limit its movement range, preventing the bottom of the guide plate one from separating from the guide rail.

This utility model discloses a die-cutting positioning structure for smart labels, including a base box, a die-cutting assembly fixedly connected to the rear top of the base box, and a label assembly disposed on top of the die-cutting assembly. Automatic positioning mechanisms are fixedly connected to the rear sides of both sides of the base box. Each automatic positioning mechanism includes two support plates, a cylinder fixedly connected to the top of each support plate, a protruding rod fixedly connected to the output end of the cylinder, a wheel plate fixedly connected to the front top of the protruding rod, a trapezoidal block slidably connected to the top of the wheel plate, and an L-shaped plate fixedly connected to the front of the trapezoidal block. The inner side of the L-shaped plate is slidably connected to the base box. This utility model die-cutting machine changes the traditional manual pressing and locking structure for positioning. It uses a vertical plate to drive a pressure plate downwards, pressing the label assembly down. This eliminates the need for manual operation of the pressing structure, increasing user convenience and hand safety while ensuring positioning efficiency.

This disclosure relates to the technical field of gasoline production. One embodiment of this disclosure provides an ethanol gasoline blending device, which includes: a blending tank and a connecting flange. The connecting flange is disposed at the bottom of the blending tank. A feeding blending assembly is disposed inside the blending tank. The feeding blending assembly includes a fixing frame disposed at the top of the blending tank. A transmission port is opened at the top of the blending tank. A first feeding pipe is disposed inside the fixing frame. The first feeding pipe passes through the transmission port and is located inside the blending tank. A plurality of dispersion holes are opened around the outer surface of the first feeding pipe. A rotating tube is fitted outside the first feeding pipe. A plurality of elongated openings are vertically opened around the outer surface of the rotating tube. Through the above technical solution, the technical problems in the prior art are solved, such as the significant difference in density and viscosity between ethanol and gasoline, and the large influence of temperature on their miscibility, which easily leads to local stratification when directly mixed in the main tank, resulting in prolonged stirring time and difficulty in avoiding trace phase separation.

The present application relates to the technical field of chemical product processing, in particular to a low-gloss polyacrylate resin composition, a preparation method and application thereof, which comprises a modified polyacrylate resin solution, an epoxy-siloxane modifier, a vinyl trimethoxysilane oligomer, an organic metal catalyst, a viscosity regulator and a polymerization inhibitor; the ester bond in the modified polyacrylate resin is fixedly protected by the epoxy-siloxane modifier, and the ability of the epoxy-siloxane modifier is further enhanced by the vinyl trimethoxysilane oligomer, so that the problem that the gloss of the extinction type polyacrylate resin containing a bulky side group is irreversibly increased due to ester bond hydrolysis in a hot and humid environment is solved.