904results about How to "Avoid change" patented technology

The invention discloses a multi-task blood vessel segmentation model construction method based on a hybrid encoder. The encoder is a Swin Transform path multi-layer encoder based on a Mamform module, and the Mamform multi-layer encoder carries out data processing in combination with a W-MSA and an improved Mamba module; the decoder is a multi-task decoder and consists of three independent decoding paths which are respectively used for blood vessel segmentation, contour edge segmentation and blood vessel connectivity segmentation, and each decoding path adopts Swin Transformblock as a construction block and is used for generating feature mapping with the same size as an input image; an attention mechanism is shared, learned features are shared among decoders, the number of model parameters can be reduced, and overfitting is prevented; in the training process, a total loss function is formed through a loss function of a vascular connectivity decoding path, a self-distillation loss function and the like, the total loss function is calculated, model parameters are updated by using a back propagation algorithm, the segmentation performance of the model is gradually optimized, and after training is completed, the model can carry out precision on a vascular image.

The invention discloses a method for preparing gamma-aminobutyric acid through whole-cell catalysis, and relates to the technical field of gamma-aminobutyric acid preparation, and the method comprises the following steps: culture medium preparation, microbial culture, thallus preparation, catalytic conversion, reaction liquid pretreatment, vacuum concentration, crystallization purification and drying. Concentration treatment is carried out in a gradient temperature setting mode in the vacuum concentration step, on one hand, low energy consumption is facilitated, on the other hand, the situation that a small amount of impurities in a sample are changed due to the temperature is prevented, the solubility of aminobutyric acid is reduced after cooling, crystals are separated out more easily, and the quality of the product is improved. In addition, through temperature gradient setting in the microbial culture step and temperature reduction after induction, correct folding of protease can be promoted, then the activity of unit protease is increased, the reaction effect is improved, and therefore the purity and the finished product yield of gamma-aminobutyric acid are improved.

The invention discloses an intercooler shell part assembly line which sequentially comprises an O-shaped ring assembly and shell press-fitting station, an automatic feeding station, a robot, a hot insertion and press-fitting station and an I-shaped beam assembly station with the feeding direction as the reference. The automatic feeding station conveys the intercooler parts subjected to preliminary assembly, the intercooler parts are sequentially carried to the hot inserting and press fitting station and the I-shaped beam assembly station through the robot so as to complete final assembly, the automatic operation process is adopted, and the working efficiency is improved compared with manual assembly.

The invention discloses a model fine tuning method and system based on task priority and elastic weight solidification, belongs to the technical field of machine learning, and aims to solve the technical problem of how to provide a stable, efficient and low-power silk screen manufacturing model which can adapt to various complex production scenes. Comprising the following steps: collecting sample data, and dividing the sample data into a plurality of subsets; service weights and priority coefficients of all new tasks in the silk screen manufacturing process are analyzed based on the sorted subsets; constructing a knowledge graph based on the entities and the relationship between the entities; calculating the importance degree of the model parameters to the old task based on the Fisher information matrix, and adjusting the priority level of the model parameters based on the knowledge graph; and on the basis of the Fisher information matrix, updating a loss function of the silk screen manufacturing model under the new task through EWC, and correcting the current silk screen manufacturing model on the basis of entities and relationships in the knowledge graph, so that multi-task model fine tuning is realized.

The invention discloses an intelligent old-age care monitoring system convenient for monitoring vital signs of old people, and belongs to the field of intelligent old-age care. The system comprises a monitoring terminal, a data service and a monitoring terminal, the monitoring terminal part is used for monitoring and collecting vital sign information and exercise intensity information of the old and sending the information to the data service part; the data service part is used for processing the information data collected by the monitoring terminal part, generating an old person monitoring index and notifying an optimal monitoring person after the monitoring index is abnormal; and the monitoring terminal part is used for monitoring the vital sign information of the coming person. According to the invention, when the monitoring index is generated, the exercise intensity index is introduced, so that the occurrence of an abnormal condition of false alarm caused by the change of vital sign information data when the elderly take exercises can be avoided, and the accuracy of monitoring can be ensured. And after the monitoring index of the old person is abnormal, the optimal monitoring personnel is notified to go for processing, so that the timeliness of emergency processing is ensured.

The invention relates to the technical field of small-plant carbon fiber grass laying, and discloses a carbon fiber grass water surface laying device and method.The carbon fiber grass water surface laying device comprises two supporting plates arranged in parallel and a plurality of long rods arranged in parallel, buoyancy mounting bases are mounted on the two supporting plates, and a plurality of connecting holes with the same diameter as the long rods are formed in the surfaces of the buoyancy mounting bases; and the inner wall of the connecting hole is connected with the surface of the long rod. According to the carbon fiber grass water surface laying device and method, the long rods, the buoyancy assemblies and the hook ropes are arranged, the detachable long rods and the buoyancy base bottom plates are used, emergent aquatic plants on each buoyancy base bottom plate are also independently planted through the planting bases, and after the emergent aquatic plants are used for a period of time, the long rods and the buoyancy base bottom plates can be detached for replacement; meanwhile, a plurality of grading hooks are used as hanging main bodies of the small-plant carbon fiber grass of the ecological floating bed, so that single damaged small-plant carbon fiber grass can be replaced at any time, and the water purification function is kept.

The invention relates to the technical field of metal cutting, and discloses a multifunctional metal cutting machine which comprises a first bottom plate, a first shell is fixedly connected to the top of the first bottom plate, a first connecting plate is fixedly connected to the outer wall of the first shell, and the bottom of the first connecting plate is fixedly connected with the first bottom plate. The end, away from the first shell, of the first connecting plate is fixedly connected with a first connecting column, the bottom of the first connecting column is fixedly connected with the first bottom plate, the end, away from the first connecting plate, of the first connecting column is fixedly connected with a push rod, the inner wall of the first shell is fixedly connected with a first moving device, and the inner wall of the first moving device is movably connected with a cutting assembly. And by arranging the pushing assembly, under the limitation of the track, the sliding column III is pushed to move along with the fixing assembly, so that the distances of pushing out the raw material columns by the equipment every time are consistent, the condition of different lengths during cutting every time is avoided, and the cutting effect of the equipment is ensured.

The invention provides a turboprop engine lubricating oil pressure adjusting system and adjusting method.The adjusting system comprises a lubricating oil tank output end, a lubricating oil pump and a filtering assembly, an engine, the lubricating oil pump and the lubricating oil tank are sequentially communicated through pipelines, the lubricating oil pump is communicated with the filtering assembly through a first pipeline, and a second pipeline is additionally arranged in the middle of the first pipeline and communicated with the lubricating oil tank; and a flow limiting assembly is mounted on the second pipeline. According to the lubricating oil system and the adjusting method, the first outlet end of the lubricating oil pump is additionally provided with the lubricating oil bypass oil way entering the lubricating oil tank in a pipeline parallel connection mode, and the lubricating oil output by the lubricating oil pump is shunted through the lubricating oil bypass oil way, so that the lubricating oil pressure of the lubricating oil main oil way is changed; the electric adjusting valve is used for adjusting and controlling the flow of the lubricating oil in the second pipeline, so that the variable test requirements of the lubricating oil pressure of the engine are met, and the technical problems that the lubricating oil pressure in the lubricating oil system is difficult to adjust in real time in the test and the lubricating oil pressure is inaccurate are solved.

The utility model relates to the technical field of automobiles, in particular to an adjustable steering tie rod which comprises a pipe clamp, the pipe clamp is locked and matched with a nut through a bolt, the pipe clamp is connected with a tie rod body in a matched mode, and the tie rod body comprises a rod body, a first connecting rod and a second connecting rod. The pipe clamp, the bolt and the nut are all installed outside the first connecting rod and the second connecting rod, and the first connecting rod and the second connecting rod are both rotationally connected with a ball hinge joint assembly through threads. The whole device is simple in design and easy to operate, through the arrangement of the two spherical hinge joint assemblies with the opposite thread screwing directions, the effect length of the steering tie rod can be adjusted only by screwing the tie rod body on the premise that the steering tie rod does not need to be assembled and disassembled, and the steering tie rod is convenient to assemble and disassemble. Therefore, the accurate requirements of users on the action length of the tie rod under different axle distances are met; and the scale area is arranged, and the tail end of the ball joint assembly is used as a scale pointer, so that the visual adjustment of the action length of the steering tie rod is realized.

The utility model relates to the technical field of glass bottle production, and provides a bottle pushing device of an annealing furnace, which comprises a bottle pushing plate, a bottle separating tooth block, a heat-resistant cotton layer, a metal wire and a supporting seat, the bottle separating tooth blocks are fixedly connected with the front side face of the bottle pushing plate, and the multiple bottle separating tooth blocks are arranged at intervals in the length direction of the bottle pushing plate to form bottle containing grooves; a limiting hole is formed in the bottle pushing plate; the heat-resistant cotton layer is laid in the length direction of the bottle pushing plate and tightly attached to the surface of the bottle dividing tooth block. The metal wires penetrate through the limiting holes and bypass the bottle containing grooves, the two ends of the metal wires are screwed to bind the heat-resisting cotton layer to the bottle pushing plate, and the metal wires correspond to the limiting holes one to one. The bottle pushing device has the advantages that the heat-resistant cotton layer is detachably mounted on the bottle pushing plate and is convenient to replace during maintenance, and the bottle pushing plate has a bottle separating function, so that the quality of glass bottles entering an annealing furnace is improved.

The utility model provides a correction mechanism. The correction mechanism comprises a rack, a distance measuring sensor and a correction assembly, the distance measuring sensor is arranged on the rack or the correction assembly and used for detecting the opening width of a workpiece. The correction assembly is arranged on the rack and used for correcting a workpiece according to a detection signal of the distance measuring sensor; the number of the correcting assemblies is multiple, and the multiple correcting assemblies are sequentially arranged in the length direction of the rack. Compared with the prior art, the correction mechanism provided by the utility model can improve the correction precision and efficiency of the workpiece.

The invention discloses an annular automatic cutting device for pipelines in the technical field of pipeline cutting, which comprises a base, two support frames are fixedly connected to the base, a cutting mechanism is rotatably connected between the two support frames, a second gear ring is mounted on the cutting mechanism, and a polishing mechanism is mounted on the cutting mechanism. Wherein one supporting frame is rotationally connected with a transmission rod, a second gear is installed on the transmission rod, the second gear is in meshed connection with the second gear ring, two supporting mechanisms are installed on the base, the two supporting mechanisms are in transmission connection, the two supporting mechanisms are located on the two sides of the cutting mechanism, and a driving mechanism is installed on one supporting mechanism. And the driving mechanism is movably connected with the supporting mechanism and the transmission rod, so that the cutting accuracy of the equipment is further improved, and the situation that the equipment cannot complete cutting due to deformation during cutting is prevented.

The invention discloses a modular pipeline robot capable of achieving active and passive radial size adjustment, and belongs to the technical field of pipeline robots. The pipeline robot aims at solving the problems that in the prior art, due to the fact that a pipeline robot is large in size, the turning performance is poor, the reducing adjustment scale is small, and structural operation is unstable. The device comprises an active reducing module, a passive reducing module, an execution mechanism module and a control and energy module. Three passive reducing modules in a circular array are arranged on the outer side of the active reducing module, each passive reducing module comprises a track structure and is connected with the active reducing module, and the active reducing module is provided with a transmission part with a planar spiral groove and converts rotary motion into radial linear motion. The distance between the crawler belt of the passive reducing module and the machine body is actively adjusted, and self-locking can be achieved, so that crawler belt feet can stably make contact with the inner wall of the pipeline; the passive reducing module crosses obstacles on the inner wall of the pipeline through asymmetric compression of the two spring shock absorbers.

The embodiment of the invention provides an end sealing plate for a gas storage tank body and the gas storage tank body. The end sealing plate for the gas storage tank body comprises a flat plate, the flat plate is provided with multiple stages of protruding parts, and the multiple stages of protruding parts comprise the protruding parts which abut against a seal when the end sealing plate is arranged on the gas storage tank body; when the end sealing plate is arranged on the gas storage tank body, the end sealing plate is matched with a protruding part for installation of other interference parts, and the protruding part forms an avoiding face matched with the whole or part of the surface of the corresponding interference part. According to the technical scheme, when the end socket plate is assembled with other parts, positioning and matching are convenient and accurate, and the thickness reduction amount of a plate blank is greatly reduced when the multi-stage protrusion shape is subjected to deep drawing forming; and meanwhile, single integrated forming can be achieved, half-and-half cutting after forming is not needed, and the problem that the shape of the edge of the part changes during cutting is solved.

The invention relates to the technical field of metal processing, in particular to an automobile chip heat sink integrated forming device which comprises a processing platform, a control box and an aluminum alloy body are arranged on the processing platform, and an extrusion forming mechanism for pressing an aluminum alloy heat sink is arranged on the control box. An extrusion forming mechanism is arranged on the control box, a plate processing mechanism for flattening the aluminum alloy body is arranged on one side of the extrusion forming mechanism, an automatic pushing mechanism is arranged on the control box, a cooling auxiliary mechanism for cleaning and cooling the aluminum alloy body is arranged on the machining platform, the extrusion forming mechanism comprises an installation boss fixedly installed on the control box, and a fixing die is arranged on the installation boss. By arranging the extrusion forming mechanism and utilizing mutual cooperation of an extrusion mold, a pressing square plate and a cutting tool, pressing, heating shaping, cutting and demolding of a plate can be integrally completed, the integration degree is high, an aluminum alloy body does not need to be transferred back and forth among multiple machining devices, and the machining efficiency of the heat dissipation plate can be effectively improved.

The invention relates to the technical field of transformer oil level measurement, and discloses a transformer oil conservator oil level measuring device which comprises an insulating rod and further comprises an installation disc installed at the top end of the insulating rod, an elastically telescopic sonar probe is installed in the center of the installation disc, and the telescopic direction of the sonar probe is parallel to the axis of the installation disc; and the monitoring instrument is arranged on the insulating rod and is used for monitoring and displaying the signal received by the sonar probe. The sonar probe can be tightly attached to the bottom of the oil conservator through the arrangement that the sonar probe can elastically stretch out and draw back, and the sonar probe can be prevented from deviating or fluctuating due to the influence of manual operation in the working process in cooperation with stable adsorption and fixation of the mounting disc; the situation that the sensor probe is not stable enough when transmitting or receiving the reflected waves, and consequently transmitting and receiving paths of the sound waves are changed is prevented, and the measurement precision is further improved.

The utility model discloses an improved multifunctional body position fixing brace in shoulder arthroscopy, which comprises a sickbed frame, at least four bed boards arranged along the length direction of a sickbed, a back lifting unit and a leg bending unit arranged on the sickbed frame, and a U-shaped neck air pressure bag arranged on the bed boards, the two air cushion fixing belts are symmetrically arranged on the bed plate; the bed boards are respectively a first bed board, a second bed board, a third bed board and a fourth bed board from the head to the feet of a human body, the second bed board is fixed on the sickbed frame, and the adjacent bed boards are mutually hinged; the back lifting unit abuts against the first bed board, and the leg bending unit abuts against the second bed board and the third bed board. According to the device, the neck support and the knee fixing belts can be inflated to proper pressure to fix the body position of a patient by increasing and decreasing air pressure in the air bags of all the devices, and the leg air pressure devices are pressurized, inflated and deflated regularly in the operation, so that the venous return and return blood volume of lower limbs are increased, and cerebral perfusion and oxygen supply are increased.

The invention discloses a coated diaphragm and a preparation method thereof, and belongs to the technical field of lithium batteries. The coated diaphragm comprises a base diaphragm and a coating layer, the coating layer is attached to at least partial area of the base diaphragm, the porosity of the coated diaphragm is 52-80%, the pore diameter range of a pore structure of the coating layer is not less than 10nm, and the component of the coating layer comprises a polymer with a side chain substituted by an anionic side group; the pore structure of the coating layer has relatively appropriate pore diameter and porosity, ions can be well transmitted in the pore structure, the risks of lithium electroplating and dendritic crystal growth can be reduced, and the purpose of solving the problem that lithium dendrites are easy to generate in the current coating diaphragm is achieved.

The invention relates to a sending mechanism control method for a CAN multiplexing mailbox. The method comprises the following steps: (1) arranging and grouping all CANIDs in the current customer demand according to a preset rule; (2) creating an array A and an array B according to the grouping condition, wherein the array A and the array B are respectively used for storing all CANIDs and single-chip microcomputer mailboxes; (3) identifying whether the CANID meeting the sending condition exists in the array A, if so, directly adopting a mailbox multiplexing function in the array B and entering the step (4), otherwise, not executing any operation; and (4) performing corresponding identification processing on the multiplexing mailbox needing to execute the sending queue in the array B. The invention also relates to a corresponding device, a processor and a computer readable storage medium. By adopting the sending mechanism control method and device of the CAN multiplexing mailbox, the processor and the computer readable storage medium thereof, the change of hardware is avoided, the development period is shortened, the compatibility of the sending mechanism is good, and the sending mechanism can be adapted to different single-chip microcomputers.

The invention relates to the technical field of earthquake simulation platforms, and discloses an earthquake simulation platform monitoring device for an engineering structure, and the device comprises an earthquake simulation platform which is installed on the top surface of a bottom plate; the mounting frame is fixed on the bottom plate, and the mounting frame is of a U-shaped structure; the electric hoist is mounted at the top of the mounting frame; the counterweight structure is arranged above the earthquake simulation platform, the counterweight structure comprises a counterweight water tank, the top surface of the counterweight water tank is connected with four branch slings, and the driving end of the electric hoist is connected with a main sling. According to the load adjusting mode, a traditional weight stack adjusting method is abandoned, the adjusting mode replaces the traditional weight stack adjusting method, operation is simpler, the load adjusting requirement can be quickly responded, and the working efficiency and flexibility are improved.

The invention discloses a foot and mouth disease virus effective antigen inactivation protective agent and application thereof. The protective agent is prepared from the following components in percentage by mass: 0.05 to 20 percent of a structure curing agent, 0.01 to 5 percent of an ion regulator, 0.005 to 1.0 percent of an antioxidant and the balance of water, the protective agent does not influence the inactivation effect in the process of acting on nucleic acid, inhibits folding and unfolding of a protein physical structure, prevents change of a protein space physical structure, improves free energy of protein denaturation, enhances the stability of a virus space physical structure, maintains the integrity of virions, and has a good application prospect. The effects of preserving the immune biological activity of the protein and reducing the loss of viruses in the inactivation process are achieved, so that the foot-and-mouth disease inactivation antigen liquid with high immunogenicity is obtained. Compared with the conventional antigen protection method, the method has the advantages that the virus is protected before the inactivation process is implemented, the production process is advanced, the stability of the effective antigen can be protected to the greatest extent, and support is provided for obtaining an effective antigen solution with high immunocompetence.

The utility model relates to the technical field of electromechanical installation engineering, in particular to a BIM (Building Information Modeling) technology-based electromechanical installation engineering construction system which comprises a base, the base comprises a base, the left side surface of the base is fixedly connected with a calculation assembly, the upper surface of the calculation assembly is fixedly connected with a signal transmitting assembly, and the lower surface of the base is provided with a second rolling mechanism; the upper surface of the receiving assembly is fixedly connected with the lower surface of the base, the lower surface of the receiving assembly is fixedly connected with a first air cylinder, the output end of the first air cylinder is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a second rotating shaft, the surface of the second rotating shaft is fixedly connected with a second roller, and a pipeline is installed below the second roller. According to the utility model, a network technology and BIM software are adopted, a plurality of professional cooperative work in the early stage of mechanical and electrical installation is realized to complete a three-dimensional diagram, and conflicts and errors of construction drawing design are reduced. A material list is quickly generated in the early construction stage, and the pipeline size is accurate.

The utility model relates to the technical field of woodworking mechanical numerical control equipment, in particular to a woodworking machining center positioning and guiding device which comprises two first fixing blocks, a second fixing block, a baffle, a camera assembly and a laser ranging assembly. Camera assemblies are arranged at the bottom ends of the middles of the two first fixing blocks, and a second fixing block is connected to the middle positions of the two first fixing blocks; the second fixing block is sleeved with a laser ranging assembly, the second fixing block is provided with a notch, the laser ranging assembly moves along the longitudinal axis of the second fixing block through the notch, a laser range finder on the laser ranging assembly can rotate left and right, and laser irradiation emitted by the laser range finder meets the width requirement of the conveying belt. When the wood is completely placed on the conveying belt, the camera assembly transmits shot data to the first control panel, and the first control panel receives and processes the data to obtain the size and the center position of the wood to be processed.

The utility model provides a soil bulk density measuring device which comprises a main machine box, handles are installed on the two sides of the main machine box, a rotating motor is fixedly connected to one side of the main machine box, a rotating disc is fixedly connected to the power output end of the rotating motor, a rotating support is rotationally connected to the upper portion of the main machine box, and a first scraper is fixedly connected to one end of the rotating support. A lifting support is fixedly connected above the first scraper, one end of the lifting support is movably connected with a second scraper, a supporting frame is fixedly connected in the main machine box, one end of the supporting frame is fixedly connected with a driving motor, and the power output end of the driving motor is fixedly connected with a first driving gear. The sampling head is inversely arranged on the rotating disc, then the first scraper is rotated and erected to be attached to the outer wall of the sampling head, soil on the outer side of the sampling head can be scraped off when the rotating motor rotates, then the second scraper on the lifting support can be rotated, and excessive soil at one end of the sampling head can be gradually scraped to be flat. And the volume weight of the sample is prevented from being changed while the weight of the sample is controlled.

The invention discloses a valve with a self-cleaning function, and relates to the field of valves, the valve comprises a bottom plate and a valve body, the bottom plate is located in the valve body, a shell is installed on one side of the valve body, a pipeline is fixedly communicated between the shell and the valve body, and flanges are fixedly communicated with the opposite ends of the valve body and the shell. A power mechanism is arranged in the bottom plate, a turbine is arranged in the shell, and a first rotating shaft is arranged in the shell. When a swing frame is driven by a pushing block, a turbine, a first rotating shaft and a rotating plate to move, the swing frame and the pushing plate are used for controlling a reciprocating frame to move, and then a tooth groove in the inner side of the reciprocating frame is meshed with a gear, so that the gear is driven by the tooth groove, and then a scraping plate and a second rotating shaft rotate along with the gear; therefore, self-cleaning of the interior of the valve body is formed, and the situation that dirt accumulates on the valve body for a long time and blocks the valve body and even causes blocking can be avoided.

The invention discloses a self-adaptive optical fiber socket transceiver, and relates to the technical field of optical fiber transceivers, and the transceiver comprises transceiver equipment which is provided with an optical fiber connection end and is externally connected with an optical fiber; through the arrangement of the positioning anti-falling mechanism, accidental loosening caused by external factors such as vibration and impact is avoided, the risks of signal interruption and data transmission failure caused by connection problems are further reduced through limiting of the optical fibers, accurate alignment of the end faces of the optical fibers can be kept through stable optical fiber connection, and the service life of the optical fibers is prolonged. Optical loss caused by unstable connection is reduced, the situation that the connection position of the optical fibers is changed due to looseness is prevented, it is ensured that the quality of signals is not affected in the transmission process, on the basis that the clamping diameter of the movable rod for the optical fibers is adjustable, the influence of material expansion or shrinkage caused by temperature difference on optical fiber connection can be reduced to a certain extent, and the service life of the optical fibers is prolonged. Normal work in different temperature environments is guaranteed, and the possibility of movement of the optical fiber is reduced.

The utility model discloses a 3D printing nozzle with adjustable nozzle size, which comprises a connecting pipe installed on a 3D printer, the bottom end of the connecting pipe is fixedly connected with a nozzle, the connecting pipe is internally and fixedly connected with a fixing ring, the circumferential inner wall of the connecting pipe is symmetrically provided with two sliding chutes, the two sliding chutes are internally and slidably connected with a sliding plate, and the sliding plate is fixedly connected with the nozzle. A protruding block is fixedly connected to the top of the sliding plate, a connecting assembly used for pulling the sliding plate to move upwards is arranged on the circumferential outer wall of the connecting pipe, and the connecting assembly comprises a plurality of fixing bases. By reducing the hollow area of the fixing ring, the flow of materials used for 3D printing can be reduced, flow adjustment of the 3D printing spray head is achieved, the situation that the flow of the spray head is changed due to movement of the sliding plate can be prevented, the stability of flow adjustment of the 3D printing spray head is improved, flow recovery of the 3D printing spray head can be facilitated, and the service life of the 3D printing spray head is prolonged. And the convenience of adjusting the 3D printing spray head is improved.

The invention discloses a vehicle-mounted launching rack and method for an unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicle launching. Comprising N sets of supporting beams, N sets of launching angle adjusting mechanisms, N sets of unmanned aerial vehicle bearing mechanisms, a frame body assembly and a wire control mechanism. The N groups of supporting beams are arranged in an array; wherein N is an integer greater than 1; a frame body assembly is arranged between every two adjacent supporting beams. The N groups of emission angle adjusting mechanisms are correspondingly arranged on each group of supporting beams respectively; the launching angle adjusting mechanism at least comprises a lifting arm with a head end and a tail end; the tail end of the lifting arm is rotationally connected to the supporting beam; the unmanned aerial vehicle bearing mechanisms are correspondingly arranged on each group of lifting arms respectively; the drive-by-wire mechanism is arranged between the adjacent unmanned aerial vehicle bearing mechanisms. The unmanned aerial vehicle is launched through manual mechanical or wireless remote control operation by means of the drive-by-wire mechanism, and the corresponding launching mode is selected based on requirements; adjustment of the launching angle is achieved through the lead screw transmission assembly, and it is ensured that the unmanned aerial vehicle can be launched according to the preset angle.

The installation warning frame for port engineering is applied to the field of port engineering, the adjusting assembly is arranged, the driving gear and the driven gear which are connected in a meshed mode are used for enabling the threaded rod to rotate, the threaded rod drives the fixing cylinder to move in the vertical direction, then the angle of the hinge rod is changed, and the installation warning frame is convenient to use. According to the device, the opening angle of the supporting legs of the warning frame is conveniently adjusted, so that the warning frame is installed to adapt to different working environments, the application range of the device is widened, in addition, a rotating structure is further arranged, a telescopic air cylinder is used for enabling a rack to do linear reciprocating motion, and therefore reciprocating rotation of a one-fourth gear is achieved; the warning board can be changed from a static state to a dynamic state, warning content on the warning board can be observed from multiple angles, and therefore the warning range is widened.

The utility model relates to the technical field of vehicles, and particularly discloses a front-facing camera regulator which comprises a fixing frame and a regulating mechanism, the fixing frame is configured to be detachably connected with a front windshield, and the fixing frame comprises a supporting frame; the adjusting mechanism and the supporting frame are pivoted through a pivoting shaft in the width direction of the vehicle, the adjusting mechanism has two states of swinging relative to the fixing frame and being fixed relative to the fixing frame, and the front camera is configured to be arranged on the adjusting mechanism; the front-facing camera can have two states of sliding relative to the adjusting mechanism and fixing relative to the adjusting mechanism on the adjusting mechanism, and the sliding direction of the front-facing camera intersects with the pivoting shaft. According to the front-facing camera regulator, the accuracy and the efficiency of position calibration of the front-facing camera can be improved, and repeated design and change of the size of a front-facing camera bracket are avoided, so that the design cost is reduced, and the development period is shortened.