23results about How to "Adjust stability" patented technology

The invention belongs to the technical field of additive manufacturing, and particularly relates to a digital additive manufacturing quality control device which comprises a machining table, a driving assembly is arranged at the top of the machining table, a regulation and control assembly is arranged on the driving assembly, a grinding assembly is arranged at the bottom of the regulation and control assembly, and a detection assembly is arranged at the top of the driving assembly. And the placing assembly comprises a rotating disc assembly arranged on the machining table, a rotating assembly is arranged at the bottom of the rotating disc assembly, a clamping assembly is arranged at the top of the rotating disc assembly, and an overturning assembly is arranged in the clamping assembly. According to the device, the appearance of an additive manufacturing finished product can be detected, abnormal parts can be polished, meanwhile, the quality of the finished product is detected, the orientation and the inclination angle of the finished product can be adjusted during detection, the detection integrity is improved, in addition, finished products in any shape can be fixed, the finished product can be conveniently turned over, and the production efficiency is improved. And the detection comprehensiveness is improved.

The invention relates to fast-strength high-toughness asphalt and a preparation method thereof, and belongs to the technical field of modified asphalt preparation. All the components in the inorganic filler have a synergistic effect, so that the performance of the asphalt mixture is jointly improved. The quartz sand and the limestone powder provide hardness and strength support, the polyester fibers and the PLA fibers enhance toughness and crack resistance, the silane coupling agent KH550 improves compatibility, the polyethylene glycol adjusts dispersibility and stability, and the components complement and promote each other, so that the inorganic filler plays the maximum efficacy in the asphalt mixture; the anti-stripping agent is further added to further improve the performance of the asphalt, in the anti-stripping agent, rosin, beeswax, terpene resin and a silane coupling agent KH550 form a good synergistic effect, the rosin, the beeswax, the terpene resin and the silane coupling agent KH550 jointly act in the asphalt mixture, and the performance of the asphalt is improved.

The utility model belongs to the technical field of traffic signals, and particularly relates to a combined color lamp signal mechanism which comprises a base, a supporting seat is arranged on the upper surface of the base, a lamp body is fixedly connected to the upper surface of the supporting seat, a supporting plate is fixedly connected to the top end in the base, a damping ball is fixedly connected to the upper surface of the supporting plate, and the damping ball is fixedly connected to the top end of the supporting plate. The damping balls are hollow, the two ends of the supporting plate are fixedly connected with inhaul cables, and the top end of the lamp body is fixedly connected with a mounting plate. Through rotation of the sailboard and rotation of the rotating rod, changes of wind speed and wind direction can be monitored in real time, accurate wind power information can be provided, output power of the machine pump and gravity of the damping ball can be controlled, and swing amplitude and gravity of the damping ball can be dynamically adjusted according to the wind speed, so that the damping ball generates enough reverse acting force. And the wind action of the signal lamp in windy weather is offset, so that the wind resistance of the signal lamp is improved.

The invention relates to chemical-resistant silver plating paste for low-temperature co-fired ceramic and a preparation method thereof, and belongs to the technical field of electronic materials, the chemical-resistant silver plating paste comprises the following raw materials: silver powder, glass frit, a nano additive, a binder and a solvent. According to the invention, barium titanate, titanium dioxide and zinc oxide are compounded as a nano additive, so that the problems of micro-cracks and warping caused by different shrinkage rates among materials in the sintering process are solved; besides, the components of the frit prepared under the specific raw material composition and proportion can mutually generate a synergistic effect, the low-temperature co-fired ceramic process conditions are met, and meanwhile, the prepared silver paste finished product can have excellent chemical resistance.

The utility model discloses a multifunctional bedside table, and relates to the technical field of bedside tables. The end, away from the electric telescopic rod, of the containing plate is connected with a first side edge plate, the two ends of the first side edge plate are each provided with a second side edge plate, the containing plate is connected with two sleeve plates, and the two second side edge plates are slidably connected into the first side edge plate. According to the lighting mechanism, the lighting position can be adjusted through the moving frame and the adjusting mechanism, the top plate is taken down, the moving frame can be connected with the installation box through the adjusting mechanism so as to move in the box, the motor drives the moving frame to move in the installation box through the gear, and the protection box is used for protecting the gear and preventing foreign matter from entering. According to the multifunctional bedside table, the height can be adjusted through the electric telescopic rods, and the position and stability of placed articles are adjusted through sliding connection of the side plates and the sleeve plates and monitoring of the pressure sensors.

The invention discloses styrene-free unsaturated polyester resin and a preparation method thereof, and relates to the technical field of resines.The preparation method specifically comprises the steps that S1, cellulose nanocrystals, tris (2-hydroxyethyl) isocyanurate and dimethylolpropionic acid are mixed and heated for a melting reaction, then the cellulose nanocrystals are added again, stirring continues, and hyperbranched polyester containing hydroxyl is obtained; s2, adding maleic anhydride into the hyperbranched polyester reaction system containing hydroxyl, and slowly heating for reaction to obtain hyperbranched polyester containing carboxyl; s3, reducing the temperature of the carboxyl-containing hyperbranched polyester reaction system, adding ethylene glycol monoallyl ether, introducing nitrogen, and slowly heating for reaction to obtain hyperbranched unsaturated polyester; s4, diluting the hyperbranched unsaturated polyester by using hydroxyethyl methylacrylate to obtain styrene-free hyperbranched unsaturated resin; the hyperbranched polyester with narrower resin molecular weight distribution and more uniform structure can be obtained.

The present invention relates to the technical field of firing kiln equipment, and specifically to a fire curtain door sealing device and its application method in an atmosphere box device, including a hydrogen pipeline, a drainage chamber, and an ignition chamber; a plurality of hydrogen injection ports are arranged on the hydrogen pipeline; the drainage chamber is arranged on the hydrogen pipeline, and the length direction of the drainage chamber is parallel to the axial direction of the hydrogen pipeline; the drainage chamber is connected to the hydrogen pipeline through the hydrogen injection port; the ignition chamber is arranged at the upper end of the drainage chamber and is arranged along the length direction of the drainage chamber; the ignition chamber is connected to the drainage chamber. The fire curtain door sealing device has a simple structure, and the manufacturing and use costs are very low; when the fire curtain door sealing device is applied to the atmosphere box device, the fire curtain formed in the ignition chamber can burn the waste gas, hydrogen, etc. flowing out after the maintenance door is opened, so as to avoid the waste gas, hydrogen, etc. flowing into the factory and causing hidden dangers, and at the same time avoid the waste gas from causing damage to the maintenance personnel; the problems existing in the prior art are solved.

The invention belongs to the technical field of pavement flatness measuring devices, and discloses an unmanned aerial vehicle aerial platform-based pavement flatness measuring device, which comprises an unmanned aerial vehicle main body, supporting legs and a mounting top plate are fixedly mounted at the bottom end of the unmanned aerial vehicle main body, and a placement box is mounted at the bottom end of the mounting top plate through a connecting assembly. A measuring instrument is arranged in the placement box, a buffer assembly is arranged in the unmanned aerial vehicle main body, a protection assembly is arranged in the placement box, the buffer assembly comprises a parachute arranged in the unmanned aerial vehicle main body, a stall sensor is mounted in the mounting top plate, an air pump is arranged in the placement box, and the side wall of the air pump is connected with an air inlet pipe. When the unmanned aerial vehicle body falls, the stall sensor monitors that the landing speed of the unmanned aerial vehicle body is changed, the parachute is controlled to be opened to slow down and slowly descend, the air pump is started, the air inlet pipe is made to spray air, counter-acting force is provided, the falling posture and stability of the unmanned aerial vehicle body are adjusted, and the safety of the measuring device is improved.

The embodiment of the present application provides a rolling mill flat head sleeve automatic adjusting device, and the design relates to the field of rolling mill production, and the device comprises a bracket body, upper and lower flat head sleeves which are evenly arranged on the bracket body, an adjusting assembly, a driving assembly, a pressure detection assembly and a PLC control system, the adjusting assembly is arranged on the bracket body and is connected with the upper and lower flat head sleeves, and the adjusting assembly is used for adjusting the acting force between the upper and lower flat head sleeves; the driving assembly is connected with the adjusting assembly; the pressure detection assembly is arranged at the connecting position of the adjusting assembly and the lower flat head sleeve, and is used for detecting the acting force between the upper and lower flat head sleeves; and the PLC control system is arranged on the bracket body and is electrically connected with the pressure detection assembly and the driving assembly at the same time. The present application can eliminate the influence of the change of roll gap caused by excessive vibration due to operation imbalance on the stability of rolling.

A plastic recovery device for plastic product production comprises a bearing base, the top end of the bearing base is connected with a box body, the middle end of the bearing base is connected with a supporting plate, the center of the top end of the supporting plate is connected with a motor, the joint of the motor and the box body is provided with a first rotating rod, and the two ends of the first rotating rod are connected with partition plates; a threaded end is arranged at the joint of the rotating rod I and the box body; first turbines are arranged on the two sides of the threaded end in a meshed mode, a second turbine is arranged at the other end of the connecting position of the first turbines and the rod, and a third turbine is arranged on the second turbine in a meshed mode. When the third turbine drives the second rotating rod to rotate, the scraper rotates along with the second rotating rod and crushes and stirs plastic waste, the contact area and friction force between the scraper and the waste can be increased through a rubber pad, and the crushing effect is improved; and meanwhile, plastic particles with different sizes can be further separated through the screening effect of the screen plate, and therefore the recycling efficiency and quality are improved.

This utility model discloses a device carrier structure with environmental monitoring and intrusion alarm, belonging to the technical field of device carrier structures. This device carrier structure includes a mobile carrier for loading workpieces. A vertical plate is fixedly installed on the mobile carrier along its four sides. A limiting plate for limiting the device is movably disposed inside the vertical plate. An environmental monitoring module is fixedly installed on the vertical plate, and the environmental monitoring module is equipped with an audible alarm module. A distance detection mechanism for monitoring intrusion behavior is provided on the vertical plate, and a drive mechanism for adjusting the clamping force of the workpiece by the limiting plate is provided on the mobile carrier. The drive mechanism keeps the workpiece stably loaded on the mobile carrier. By detecting the surrounding environment of the device carrier and intrusion behavior, the moving limiting plate ensures the workpiece is stably placed in the mobile carrier, improving the stability and protection of the device carrier structure.

The present invention discloses a powder quantitative feeding system and a quantitative feeding control method for asphalt mixing equipment. The powder quantitative feeding system includes a quantitative feeding device and a control device. The quantitative feeding device includes a powder bin, a pulse dust collector installed on the top of the powder bin and a powder feeding mechanism. The pulse dust collector includes a pulse dust collector body and an air supply mechanism. The powder feeding mechanism includes a powder feeding pipeline, a tube bag valve assembly installed on the powder feeding pipeline and a pressure detection assembly. The control method includes: 1. conveying of powder-containing conveying gas; 2. precipitation and filtration of powder; 3. opening of the pulse dust collector; 4. detection of the height of the powder pile; 5. closing of the pulse dust collector. The present invention can achieve the purpose of quantitatively filling powder into the powder bin, can enable the conveying gas to achieve the purpose of pollution-free emission, can avoid dust pollution to the outside air caused by the powder-containing conveying gas, and at the same time, can reduce the consumption rate of powder during the transmission process.

The utility model discloses a novel rack for a ship generator, which belongs to the technical field of ship generators and is technically characterized by comprising a shock absorption component and a damping component. According to the utility model, when the ship generator is installed, the ship generator can be firstly arranged on the damping assembly, and the damping assembly is arranged in the fixed box, so that the damping assembly can carry out damping on the ship generator above the damping assembly during the sailing period of a ship, and therefore, the ship generator can be used for damping the ship generator during the jolting period of the ship. According to the ship generator, the movable plate is arranged, the ship generator cannot generate violent vibration, then the ship generator can be prevented from being damaged, and during use, the movable plate can be damped through the damping assembly, so that the situation that the spring rebounds to drive the movable plate and the ship generator to rapidly move, and consequently the ship generator is damaged is avoided.

The present invention discloses the application of rhodotorula ZTHY2 in improving the carcass traits of Leizhou black duck and promoting intestinal health, and belongs to the technical field of poultry breeding. The present invention verifies through experiments that rhodotorula ZTHY2 can improve its muscle quality, enhance the nutritional value and flavor level of the muscle; rhodotorula ZTHY2 can also regulate the composition structure and stability of intestinal flora, increase the relative abundance of beneficial flora while inhibiting the proliferation of harmful flora, effectively reduce intestinal permeability, promote the development of intestinal villi, improve intestinal tissue structure, and thus maintain intestinal health. The addition amount of rhodotorula ZTHY2 in feed is 2×10 9 The effect is best when the content of CFU / kg. The invention conforms to the development trend of "antibiotic-free feed" and has important significance for the green, safe and sustainable development of the breeding industry.

The invention relates to a risedronate sodium tablet and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations for osteoporosis. The risedronate sodium tablet disclosed by the invention consists of risedronate sodium, phospholipid, cholesterol, tartronic acid and pharmaceutically acceptable auxiliary materials. The risedronate sodium is wrapped in the lipidosome by using a lipidosome technology, so that the possibility of degradation of the risedronate sodium due to oxidation, hydrolysis and other reactions is reduced, and the stability of the medicine is favorably improved.

The invention discloses a pressure-resistant and fatigue-resistant polypropylene material and a preparation method thereof, and belongs to the field of high polymer materials. The pressure-resistant and fatigue-resistant polypropylene material comprises the following raw materials in parts by weight: 20-60 parts of polypropylene, 0.1-0.3 part of a nucleating agent, 40-80 parts of modified mineral filled master batch, 0-2 parts of a lubricant and 0-2 parts of an antioxidant, the preparation method of the modified mineral filled master batch comprises the following steps: adding calcium carbonate and talcum powder into a high-speed mixer, and mixing to obtain premixed mineral powder; adding a silane coupling agent, ethylene bis stearamide, white oil, calcium stearate and epoxy resin, and mixing; and adding the obtained mixture and polypropylene resin into an extruder for side feeding, extruding, pelletizing and drying to obtain the modified mineral filled master batch.

The utility model relates to the technical field of drainage pipelines, and discloses a movable buckle for hoisting a water supply and drainage pipeline, which comprises a drainage pipe, clamping components for clamping and fixing the drainage pipe are sleeved at the two ends of the drainage pipe, and an adjusting component capable of adjusting the stability when the drainage pipe is hoisted is arranged between the two clamping components. The clamping assembly comprises a first fixing ring arranged on one side of the drainage pipe, a second fixing ring arranged on one side of the first fixing ring and bolts arranged on the two sides of the drainage pipe. By arranging the clamping assemblies and the adjusting assembly, the two clamping assemblies are used for clamping and fixing the drainage pipe, and when the lifting ring is used for lifting the drainage pipe, the lifting stability of the drainage pipe can be adjusted by sliding the adjusting assembly; through the arrangement, the hoisting stability of the drainage pipe can be adjusted under the condition that the clamping assembly is not loosened to move, rapid adjustment of the hoisting stability of the drainage pipe is achieved, and the construction efficiency is prevented from being affected.

The invention relates to the technical field of PLC control, and particularly discloses an automatic control decision optimization method and system based on the PLC technology, and the method comprises the following steps: when a module temperature final state value is greater than or equal to a module temperature maximum value, carrying out the monitoring and adjustment of PLC hardware operation state data, calculating to obtain a hardware carrying state value, and comparing the hardware carrying state value with a preset carrying state stable value to obtain a hardware carrying normal signal; calculating to obtain a program operation steady-state value; comparing with a program operation steady-state value and a program operation qualified value to obtain an abnormal signal; pLC program communication data are obtained, and a communication influence state ratio is obtained through calculation and compared with a communication influence state ratio threshold value; according to the method, a communication abnormal signal or a program operation abnormal signal is obtained, a PLC operation state is adjusted according to a hardware state and a software operation state of a PLC control system and a communication state with external equipment, and the response speed, the stability and the resource utilization rate of the system are improved.

The invention discloses an inspection unmanned aerial vehicle for ground coal fire monitoring and positioning, and belongs to the technical field of unmanned aerial vehicles, the inspection unmanned aerial vehicle comprises a carbon fiber rack, four corners of the carbon fiber rack extend outwards and are fixedly provided with mounting parts; the vehicle arms are arranged corresponding to the mounting parts, and propellers are mounted at the ends, away from the mounting parts, of the vehicle arms; the photoelectric pod is arranged below the middle of the carbon fiber rack, a hanging scaffold is arranged in the center of the lower end face of the carbon fiber rack, and the upper end of the photoelectric pod is fixedly connected with the hanging scaffold; the infrared camera is installed in the photoelectric pod, and the satellite positioning system is arranged in the photoelectric pod; the variable-axis units are arranged corresponding to the mounting parts, and the multiple variable-axis units conduct axial adjustment on the vehicle arm at the same time; the gravity center adjuster is arranged in the carbon fiber rack; the gravity center adjuster and the variable-axis unit can be synchronously adjusted, and the flight stability and high maneuverability of the unmanned aerial vehicle are improved.

The invention provides a multi-angle displacement switching chassis structure used for a follow-to-talk sound box and a control method thereof, and relates to the field of sound amplification systems.The method comprises the steps that the real-time relative position relation between the follow-to-talk sound box and a follow target is determined through UWB positioning equipment; real-time road surface information is obtained through vibration detection equipment; real-time obstacle information is obtained through obstacle detection equipment, and a dynamic following path and dynamic following parameters are generated; determining a dynamic sound amplification angle according to the real-time relative position relation, the dynamic following path and the dynamic following parameters; according to the real-time road surface information, the dynamic following speed and the dynamic driving wheel rotating speed difference, a dynamic counterweight scheme is determined; controlling the wheel set mechanism to advance according to the dynamic following path and the dynamic following parameters; according to the dynamic sound amplification angle, an angle adjusting assembly is controlled to adjust the rotation angle of the follow-speaking sound box; according to the dynamic counterweight scheme, the counterweight mechanism is controlled to adjust the three-dimensional coordinates of the plurality of counterweight blocks, and the automatic following of the follow-up loudspeaker box is realized.

The invention relates to the technical field of tree measurement, and discloses a banana tree height measuring device, including a rotating angle observation mechanism and an adjustable braking mechanism, wherein an arc-shaped contact plate abutting against the outer circumference of a second rotating column, a lower movable plate capable of longitudinally moving with the arc-shaped contact plate, a spiral spring exerting downward elastic pressure on the lower movable plate, and an upper movable plate capable of controlling the elastic strength of the spiral spring are arranged inside the device. The banana tree height measuring device controls the static state between scale lines by the friction force of the components on the contact surface, and can achieve a 360-degree angle measurement capability without dead angles, thereby improving the accuracy of tree height measurement. In addition, the device can control the rotation damping strength required when adjusting the observation angle, so that the stability of the device can be adjusted according to actual conditions.

The utility model discloses a light-weight shell structure of a laser heating gas suspension furnace. Comprising an aluminum profile rack, a display, a movable drawer plate, composite adjusting trundles, a display support, a computer key position, a composite vacuum gauge display, a movable door provided with a door magnetic switch, a three-color lamp, a dustproof plate, a laser protection plate, an emergency stop and laser control button, a laser reflection station frame and a laser carrying frame. According to the design of the structure, no linear light-transmitting gap exists between the frame of the laser heating area and the sealing plate, so that laser is prevented from penetrating through the gap and hurting operators; the sealing plate is provided with various mounting hole positions, so that the mounting requirements of different configuration parts are met; the use of the movable door and the door magnetic switch is combined to ensure that the laser does not work when any door is opened, and the magnetic design of the door can prevent accidental opening; a dustproof plate made of a PC transparent material is arranged at the top to prevent dust from polluting the reflecting lens and affecting the laser performance; and a movable drawer plate is arranged in the shell for placing the laser heating controller.

The present invention provides a breathing workstation and an oxygen supply method thereof, which have a normal frequency jet mode and a normal frequency / ECG-triggered composite jet mode, receive human electrocardiogram raw data through a monitoring system, analyze the electrocardiogram raw data, extract cardiac cycle and single / dual frequency jet mode conversion point data and send them to a dual-channel jet ventilation system; the dual-channel jet ventilation system receives the cardiac cycle and single / dual frequency jet mode conversion point data sent by the monitoring system, and determines the dual / single frequency jet mode conversion point in combination with the input breathing ratio, implements the conversion from the normal frequency jet mode to the normal frequency / ECG-triggered composite jet mode at the single / dual frequency jet mode conversion point, and implements the conversion from the normal frequency / ECG-triggered composite jet mode to the normal frequency jet mode at the dual / single frequency jet mode conversion point. The breathing workstation and the oxygen supply method thereof adjust the jet mode according to the recipient's own physiological state, thereby achieving the purpose of improving the patient's survival rate.