339results about How to "Act as a fixed support" patented technology

The invention discloses a nanofiber vascular prostheses and a preparation method. The preparation method is as follows: mixing the solution of gelatin and glacial acetic acid with the aqueous solution of a crosslinker evenly to pre-crosslink the solution of gelatin and glacial acetic acid, adding heparin sodium aqueous solution to prepare spinning dope and collecting the formed fibers on a collecting roll by using the electrospinning process to form a nanofiber nonwoven membrane tube; dissolving polyurethane into the mixed solvent of tetrahydrofuran and N,N-dimethylformamide to prepare polyurethane spinning dope and continuously collecting the formed fibers on the collecting roll which has collected the nanofiber nonwoven membrane tube by using the electrospinning process; and taking off the nanofiber nonwoven membrane tube covered by the polyurethane fiber nonwoven membrane tube structure from the collecting roll and then soaking the nanofiber nonwoven membrane tube into the aqueous solution of a post-crosslinker to carry out post-crosslinking treatment, thus preparing the nanofiber vascular prostheses. The inner layer of the vascular prostheses of the invention can improve the blood compatibility and the outer layer has biological stability and can improve the physical and mechanical properties.

A two-stage pipeline type gas-liquid cyclone separator is mainly composed of a first-stage separation module and a second-stage separation module; and the first-stage separation module is mainly composed of an axial inlet, a first-stage guide vane, a flow guider, a sleeve and a front liquid discharging tube. The sleeve is connected with the tail of the first-stage guide vane, and forms an annular cavity together with the first-stage separation tube and the flow guider; and the second-stage separation module is connected with the first-stage separation module through a middle part flange, and is mainly composed of the annular plate, a second-stage guide vane, an inner cylinder, an outlet diverging segment, a rectifying device, a rear liquid discharging tube and an axial outlet. The inner cylinder is fixed in the second-stage separation tube through the annular plate, the second-stage guide vane is arranged in the inner cylinder, the wall surface of the inner cylinder is provided with a spiral bar-shaped groove, and the tail part of the inner tube and the outlet diverging segment form the annular outlet. The separator integrally has a tubular structure, has a small size, and is easy to mount a pipeline; two ends of the separator are provided with standard flanges, so the separator can be conveniently connected with and detached from the pipeline; and the separator adopting two-stage cyclone separation makes the liquid content of a separated gas low, and has a high separation efficiency.

The invention discloses a clean LED lamp comprising a lampshade, a substrate arranged inside the lampshade, a plurality of light-emitting components mounted on the substrate and a driving area fixed outside the lampshade. Two opposite side faces of the driving area are both vertically connected with connecting plates, and a spring support is arranged at the lower end of each connecting plate. A brush groove is formed at the upper end of the substrate, an electric brush is arranged in the brush groove, one end of the electric brush is connected and fixed with a telescopic connecting rod through a brush leg, a sliding groove is formed in a manner of being perpendicular to the brush leg of the brush groove, and the telescopic connecting rod is arranged in the sliding groove. The clean LED lamp has the advantages that time and labor are saved quality of the electric brush is good, cleaning effect is good, and excellent illumination effect of the LED lamp is guaranteed; the LED lamp is stable in fixation and good in damping effect.

The invention discloses a full-automatic plate-overturning, slotting, corner-cutting and punching system comprising an automatic feeding conveying line system, an automatic plate overturning system, an automatic slotting system and an automatic corner-cutting and punching system. The automatic plate overturning system is arranged above the automatic feeding conveying line system, the automatic slotting system is arranged on one side of the automatic plate overturning system and is connected with the automatic feeding conveying line system, and the automatic slotting system is composed of a longitudinal slotting mechanism, a clamping and positioning mechanism, a jacking and transferring mechanism, a slotting driving mechanism, a transverse slotting mechanism, a vacuum dust extracting systemand a manual fine adjusting mechanism. The automatic corner-cutting and punching system is arranged on one side of the automatic slotting system and is connected with the jacking and transferring mechanism. Transverse clamping plates and vertical clamping plates can clamp and overturn plates in all directions, slots can be formed in multiple directions, the slotting depth and the slotting angle can be effectively controlled and adjusted to adapt to composite plates of different types and different lengths, the two sides and the front and rear ends of the composite plates can be fixed, and thecomposite plates can be effectively prevented from jumping during slotting.

The invention relates to a tool for fast mounting and demounting an LD die bar and an elastic piece and a use method of the tool and belongs to the technical field of electronic packaging production. The tool comprises a base, a left rocker arm fixing base located on the base and a moving seat located on the base. The left rocker arm fixing base is provided with a left rocker arm and a die bar mounting and demounting clamping buckle. The left rocker arm controls the die bar mounting and demounting clamping buckle to conduct clamping and stretching. Guide rails are arranged on one side of the left rocker arm fixing base. The moving seat is provided with rails cooperatively connected with the guide rails. The die bar is arranged on the moving seat and is driven by the moving seat to move to the position of the die bar mounting and demounting clamping buckle, and the die bar mounting and demounting clamping buckle conducts clamping and stretching so as to complete mounting and demounting of the die bar and the elastic piece. By means of the tool for fast mounting and demounting the LD die bar and the elastic piece, the mounting and demounting yield of a semiconductor laser is increased, the production efficiency is improved on the premise that the quality of the product is ensured, operation defects in existing production are overcome, the phenomena that a pipe leg is bumped to be bent through the product, a light-emitting face is contaminated and a pipe seat is abnormally mounted and demounted due to manual operation are reduced, and the tool has the beneficial effects of being small in size, simple in structure, practical and convenient to use.

The invention relates to the technical field of training rehabilitation instruments and particularly relates to a rehabilitation training device for ankle joints. The rehabilitation training device comprises a foot pedal, a globe joint structure and a globe joint supporting seat, wherein the globe joint structure is fixed on the lower surface of the foot pedal; the globe joint supporting seat hasan accommodating space for accommodating the globe joint structure, the globe joint structure is placed in the accommodating space, the center of sphere of the globe joint structure is not higher thanthe peak point of the accommodating space, and thus, the globe joint structure can freely rotate in the accommodating space under the action of an applied force. The rehabilitation training device for the ankle joints, provided by the invention, is simple in structure, small in size and low in construction cost and can achieve full-degree-of-freedom rehabilitation training.

The invention relates to the field of personal protection equipment and provides a sealing support component used for an anti-haze face mask. The sealing support component comprises a support piece and a seal ring. The support piece is of a sheet structure made of a rigid material and provided with a plurality of gas flow channels allowing gas to flow through. The seal ring is made of an elastic material and wraps the edge of the sealing support component. The invention further provides the anti-haze face mask provided with the sealing support component. The sealing support component providedby the invention can have a fixing and supporting effect on a filter element, and accordingly, the filter element in the anti-haze face mask is not prone to deforming; and in addition, a one-way valveis arranged on the sealing support component, the one-way valve does not need to be dismounted in the replacing process of the filter element, and therefore, the steps of mounting and dismounting ofthe filter element are simplified.

The invention relates to an ignition device integrating flame detection, and relates to an ignition device. By the ignition device, the problem that the conventional ignition device cannot judge whether ignition is successful or not in time, and if the unignited condition or the condition of ignition delay cannot be discovered in time, a large amount of combustible gas can be gathered to generate deflagration accidents possibly, and the system and personal safety are harmed is solved. In the ignition device, a ventilation guide plate is an insulating ventilation guide plate; an outer sleeve protective pipe is sleeved on the ventilation guide plate; a gas guide pipe passes through the ventilation guide plate; one end of the gas guide pipe is connected with a fire head cover body, and the other end of the gas guide pipe is communicated with a gas inlet; a body assembly is fixedly connected with the outer sleeve protective pipe; openings are formed at the front end of the outer sleeve protective pipe and the lower part of the front end; an arc drawing igniter and an ion flame detector pass through the ventilation guide plate; and a cable joint of the igniter and a cable joint of an ion probe sensor are arranged on one side which is close to the body assembly. The ignition device is suitable for an ignition process.

The invention relates to a compound rubber ball shock absorption support for a bridge. The compound rubber ball shock absorption support for the bridge is composed of an internal compound rubber ball, a high-strength rope net and an external rubber ball shell, wherein the internal compound rubber ball is wrapped by the high-strength rope net which has the isotropy constraint ability, the internal compound rubber ball, the high-strength rope net and the external rubber ball shell are arranged in a mutually sleeved mode, and the external rubber ball shell tightly wraps the combination of the internal compound rubber ball and the high-strength rope net through rubber vulcanization. Horizontal deformation of the internal compound rubber ball after the internal compound rubber ball is pressed is effectively constrained due to the structural composition of the internal compound rubber ball and existence of the high-strength rope net for wrapping, and the vertical bearing capacity of the compound rubber ball shock absorption support is greatly improved. When the compound rubber ball shock absorption support for the bridge is normally used, the compound rubber ball shock absorption support for the bridge can play a role of a fixing support. The compound rubber ball shock absorption support for the bridge can consume acting energy produced by a small earthquake to the bridge through deformation when the small earthquake happens. The compound rubber ball shock absorption support for the bridge can slide and rotate under the action of a strong earthquake, and the requirement of earthquake force of a lower structure is effectively reduced. The compound rubber ball shock absorption support for the bridge is simple in structure, convenient to manufacture and high in performance cost ratio, and has high economic benefit and social benefit.

The invention relates to a power bank with power generation and mobile phone support adjustment functions. The power bank comprises a bank body, a charging interface, a USB interface, a shell, a powergeneration mechanism and a support mechanism; the power generation mechanism comprises a rotating assembly and a power generation assembly; the rotating assembly comprises a handle, a slider, a firstconnecting rod, a second connecting rod and a first gear; the power generation assembly comprises a second gear and a power generator; the support mechanism comprises an accommodating assembly and afastening assembly. By the arrangement of the power generation mechanism, mechanical energy can be converted into power energy to have the power bank charged quickly; speed in power generation is higher as compared with that in solar power generation; more labor is saved as compared with that with hand-operated power generation; the problem about difficulty in outdoor charging is well solved; different mobile phones are fixedly supported through the support mechanism and are accommodated conveniently, a protection function is achieved, and usability and functionality of the power bank are improved.

The invention discloses a swimming auxiliary training apparatus. The swimming auxiliary training apparatus comprises an arm training assembly, an auxiliary supporting assembly, a breath training assembly and a leg training assembly. The arm training assembly, the auxiliary supporting assembly, the breath training assembly and the leg training assembly are used cooperatively so that beginning swimmers can better learn how to swim without need to train in water, swimming strokes can be more accurate and scientific, muscle memory can be generated in bodies by long-time exercising, and swimming skills can be accurately obtained; the breath training assembly can cooperate with the arm training assembly, the auxiliary supporting assembly and the leg training assembly to be used to effectively train the limbs of the beginning swimmers and at the same time train the breath of the beginning swimmers so that the beginning swimmers can accurately and reasonably command the breath when swimming; and an adjusting rod can adjust the swimming auxiliary training apparatus to the position slightly below a water level of a pool, a fixing and supporting function can be achieved to the early patientsthrough the swimming auxiliary training apparatus, thus the patients can do effective swimming rehabilitation training inside the swimming pool, and the swimming auxiliary training apparatus has diversified functions.

The invention relates to the technical field of foundation detection, and discloses a foundation bearing capacity detection device used for road construction and capable of improving stability. The foundation bearing capacity detection device used for road construction and capable of improving stability comprises a shell, and an adjustment spring is movably connected into the shell; the end, awayfrom the shell, of the adjustment spring is fixedly connected with an electromagnetic coil; the side, close to the adjustment spring, of the electromagnetic coil is movably connected with adjustment rods; the side, away from the adjustment spring, of the electromagnetic coil is movably connected with a pendulum bob; two sides of the pendulum bob are movably connected with drilling rods; and the upper ends of the drilling rods are hinged to the adjustment rods. When the pendulum bob detaches from the electromagnetic coil, the adjustment spring moves upwards to drive the adjustment rods to moveupwards; the drilling rods are squeezed to move downward under the restriction of damping springs and buffer blocks while adjustment rods move upwards, and so on, and drilling bits are drilled into the ground so as to achieve the effect of detecting the strength of the ground; and when the foundation bearing capacity detection device is not used, supporting rods are folded to enable the supportingrods to be close to two sides of the shell, and the drilling bits are pushed into the drilling rods for easy carrying.

The invention aims at providing a double-barrel gas-liquid separator. The double-barrel gas-liquid separator comprises an outer barrel body, and an inner barrel body which extends into the outer barrel body, wherein the lower end part of the inner barrel body is kept at the outer part of the outer barrel body; an impeller is mounted in the inner barrel body; a liquid draining area section is arranged at the outlet end of the inner barrel body; a liquid draining hole is formed in the liquid draining area section; a separator liquid phase guide outlet is formed in the lower end part of the outerbarrel body; a separator gas phase guide outlet which is a pipe extending into the outer barrel body is formed in the top part of the outer barrel body; a separating baffle plate is arranged in the outer barrel body at the lower part of the separator gas phase guide outlet, and the separating baffle plate is connected to the outer barrel body at the upper part through a separating baffle plate pulling rib; the outer barrel body at the upper part of the inner barrel body forms a gravity separating chamber through which a liquid phase flows back. The double-barrel gas-liquid separator organically combines three separating theories, including the centrifuging separating theory, gravity separating theory and collision separating theory; the double-barrel gas-liquid separator is small in size,and compact in structure and is capable of effectively separating gas-liquid mixtures in wide gas phase and liquid phase process.

The invention discloses a fruit tree pollinator, which comprises a spray gun. The spray gun is provided with a pollen bottle, and the front end of the spray gun is equipped with a pollen cover. The spray gun comprises a gun body, a handle, a pollen discharge casing pipe and a pollen discharge slip pipe. The pollen bottle comprises an upper pollen bottle and a lower pollen bottle. One side of the lower end of the gun body is connected with the handle. A pollen spray chamber is horizontally arranged inside the gun body. The pollen discharge casing pipe is arranged at the front end of the gun body. The pollen discharge slip pipe is connected with the pollen discharge casing pipe. The upper pollen bottle is communicated with the pollen spray chamber through a blanking hole. a motor is arrangedinside the pollen spray chamber. A rotating shaft is equipped with fan blades and a pollen deflector rod. The lower pollen bottle is disposed at the lower end of the gun body. A battery is disposed inside the handle. The front end of the handle is equipped with an air cylinder, which is provided with a compression plate. The air cylinder is communicated with the lower pollen bottle through a bulged pipe. A pollen receiving pipe is arranged inside the pollen discharge casing pipe. One end of the pollen receiving pipe is communicated with the lower pollen bottle. A connecting pipe is mounted inside the pollen discharge slip pipe, and one end of the connecting pipe is connected with the pollen receiving pipe.

The invention discloses an elastic gait weight reduction device and a weight reduction method thereof. The elastic gait weight reduction device comprises a rope traction mechanism and a fall protection mechanism, wherein the rope traction mechanism includes a transmission system, a rope winch, a traction rope, a tension sensor and a pulley assembly. The elastic gait weight reduction device realizes constant weight reduction by changing the internal air pressure of the elastic stretching assembly so as to change the stretching length, and compensates the up-and-down deviation of the center of gravity of the patient by the stretching assembly so as to facilitate the patient to find a training gait suitable for himself to carry out constant training. When the patient walks, the center of gravity shifts upward and downward, the air pressure inside the elastic stretching assembly can be changed by the dynamic change of the magnitude of weight reduction, so that the pressure can be kept at aset value for dynamic training. When the patient falls down, the patient can be effectively prevented from falling down, and the stretch and contraction of the elastic stretching component imitatingthe natural movement of the muscle can effectively eliminate the discomfort caused by the patient when falling down accidentally in gait training, and effectively improve the overall comfort degree ofthe patient when training.

The invention relates to the technical field of automatic feeding, in particular to a conveyor belt and carrier mounting structure, and a feeding buffer device comprising the same. The feeding bufferdevice comprises a workbench and a plurality of synchronous guiding wheels arranged on the workbench; the two or more sets of synchronous guiding wheels are in driving connection with driving assemblies; a conveyor belt is connected with the synchronous guiding wheels in a synchronous transmission mode; the side, close to the conveyor belt, of the workbench is provided with a transmission guidingrail; carriers are connected with the conveyor belt to be in transmission with the transmission guiding rail; the positions, close to the synchronous guiding wheels, of the transmission guiding rail are provided with bent grooves; and the workbench is provided with positioning assemblies for positioning the carriers. Direct connection of the conveyor belt and the carriers is adopted to achieve thetransmission effect, in the transmission process, the transmission stability is improved through the transmission guiding rail, the overall feeding buffer effect is good, the working efficiency is high, and reliability is high.

The invention discloses a spectral selective light absorption structure for solar water gasification. The spectral selective light absorption structure combines metal with a high dielectric constant imaginary part and a traditional dielectric medium into a special nanometer structure, realizes spectral selective absorption of sunlight, and is wide in absorption spectrum range and high in photo-thermal conversion efficiency. The spectral selective light absorption structure comprises a bottom layer supporting plate, wherein a metal film is formed on the bottom layer supporting plate, and a dielectric medium film is formed on the metal film; a square array formed by a plurality of metal nanometer arc-edge quadrangular-star-shaped prisms is formed on the dielectric medium film, and circular holes are formed in the centers of the metal nanometer arc-edge quadrangular-star-shaped prisms; and any four adjacent metal nanometer arc-edge quadrangular star-shaped prisms in the square array form one square in a surrounding mode, the center of each square is provided with a cylindrical hole penetrating through the bottom layer supporting plate, the metal film and the dielectric medium film, and the metal nanometer arc-edge quadrangular star-shaped prisms can coincide with the prisms after rotating by 90 degrees or 180 degrees or 270 degrees or 360 degrees around center shafts of the prisms.

The invention discloses a structural type damping wheel. The structural type damping wheel mainly comprises a wheel hub, a wheel flange plate and a plurality of dampers. The dampers are movably connected between the wheel hub and the wheel flange plate; each damper mainly comprises a front supporting frame, a rear supporting frame and a damping spring. Each end of the front supporting frame is movably connected with each end of the rear supporting frame, and the damping spring is fixed between connecting parts of the front supporting frame and the middle portion of the rear supporting frame. The structural type damping wheel uses a geometrical principle to break up vertical force into transverse force, effectively reduces impact force, and prolongs the service life; the dampers and the wheel are assembled into an integrated structure, the problem of the subjectivity of manual judgement on whether a damping wheel is good or poor in the prior art can be solved, not only can high-efficiency damping on rough roads be achieved, but also comfortableness and safety in a vehicle driving process are integrally improved.

The invention discloses a hydrogen storage tank for electrolysis water hydrogen production based on solar power generation. The tank comprises a base and a tank body, a limiting groove is formed in the centre of the top of the base, the tank body is clamped in the limiting groove, an air inlet is formed in the center of the top of the tank body, a pressure sensor is arranged on the top of the tankbody, an alarm device, a pressure meters and a controller are mounted on the outer side of the tank body in sequence, sliding grooves are formed in the base at equal distances, sliding plates are insliding connection into the sliding grooves, the ends of the sliding plates penetrate through the base, a supporting ring is connected to the outer side of the tank body, the outer side of the supporting ring is rotatably connected with connecting rods at equal distances, the ends of the connecting rods are rotatably connected to the ends of the sliding plates, the outer side of the supporting ring is provided with three through holes at equal distances, sliding rods are in sliding connection into the through holes, and one ends of the sliding rods are fixedly connected with a pressing plate.The hydrogen storage tank has the good stability and damping effect, meanwhile, the tank body is well protected, and hydrogen can be well stored conveniently.

The invention discloses a nanofiber vascular prostheses and a preparation method. The preparation method is as follows: mixing the solution of gelatin and glacial acetic acid with the aqueous solution of a crosslinker evenly to pre-crosslink the solution of gelatin and glacial acetic acid, adding heparin sodium aqueous solution to prepare spinning dope and collecting the formed fibers on a collecting roll by using the electrospinning process to form a nanofiber nonwoven membrane tube; dissolving polyurethane into the mixed solvent of tetrahydrofuran and N,N-dimethylformamide to prepare polyurethane spinning dope and continuously collecting the formed fibers on the collecting roll which has collected the nanofiber nonwoven membrane tube by using the electrospinning process; and taking off the nanofiber nonwoven membrane tube covered by the polyurethane fiber nonwoven membrane tube structure from the collecting roll and then soaking the nanofiber nonwoven membrane tube into the aqueous solution of a post-crosslinker to carry out post-crosslinking treatment, thus preparing the nanofiber vascular prostheses. The inner layer of the vascular prostheses of the invention can improve the blood compatibility and the outer layer has biological stability and can improve the physical and mechanical properties.

The invention discloses a metal hydride hydrogen storage tank with a spiral structure. The metal hydride hydrogen storage tank comprises a tank body, an air guide pipe, a spiral structure part, a hydrogen storage alloy powder and the like. The metal hydride hydrogen storage tank has the advantages that by arranging the spiral structure part in the tank body, firstly, the heat transfer of a hydrogen storage alloy powder bed in the metal hydride hydrogen storage tank is effectively enhanced, and the hydrogen charging / discharging property of the metal hydride hydrogen storage tank is improved; then, when the hydrogen storage alloy powder is loaded and filled, the hydrogen storage alloy powder is sufficiently and uniformly loaded and filled by using the spiral structure part, and the spiral structure part is used for fixing and supporting the hydrogen storage alloy powder in the use process of the metal hydride hydrogen storage tank, so that the local gathering of the hydrogen storage alloy powder is prevented, the excessive plastic deformation and even breaking due to overlarge local stress of the metal hydride hydrogen storage tank are avoided, the safety of the metal hydride hydrogen storage tank is improved, and the service life of the metal hydride hydrogen storage tank is prolonged.

The invention discloses an industrial waste water and waste gas treatment system which comprises a waste gas treatment device and a waste water treatment system. Waste gas generated in production procedures can be decomposed and settled by the waste gas treatment device, and sewage generated in the production procedures can be purified by the waste water treatment system. The waste gas treatment device comprises a high-temperature waste gas treatment device, a waste gas spray purification device and a deodorizing device. The waste water treatment system sequentially comprises a settling basin, an oil separating basin, an anaerobic basin, a neutralization basin, a gas flotation basin, a primary precipitation basin, an aerobic basin and a secondary precipitation basin from front to back according to technological processes. The industrial waste water and waste gas treatment system has the advantages of high purification efficiency and excellent purification effects.

The invention relates to a bidirectional adjustable hinge type pipeline support frame, which comprises a pedestal, a bolt and a pipe hoop, wherein the pedestal is provided with a supporting plate; the supporting plate is provided with a slot hole; the bolt is connected with the slot hole in the supporting plate on the pedestal through two nuts; the upper end of the bolt is fixed with the pipe hoop by welding; and the pipe hoop is fixed with a pipeline. The bidirectional adjustable hinge type pipeline support frame has fixation and supporting effects on an oil delivery pipeline, meanwhile, adjustment in height direction and adjustment in transverse position can also be performed on the oil delivery pipeline according to field conditions, the assembly and disassembly are more convenient, and the bidirectional adjustable hinge type pipeline support frame has good clamping and supporting effects on the oil delivery pipeline.

The invention relates to a mobile transportation infrastructure intelligent supervision device. The mobile transportation infrastructure intelligent supervision device aims to solve the problem that an existing transportation infrastructure intelligent supervision device is mounted on a rod piece, due to the fact that the existing transportation infrastructure intelligent supervision device is noteasy in movement, working is inconvenient under the condition of outage. The mobile transportation infrastructure intelligent supervision device comprises a camera supervision device and a first connection seat, wherein the camera supervision device is connected to the first connection seat, a first connection rod is arranged at the middle of the lower end of the first connection seat, a threadedrod is arranged at the lower end of the first connection rod, the threaded rod and a threaded hole are arranged in a threaded mode, and the threaded hole is formed in an upper plate of a first supporting box. According to the mobile transportation infrastructure intelligent supervision device, the mobile transportation infrastructure intelligent supervision device is additionally arranged, and after a problem occurs in the camera supervision device at a junction, the mobile transportation infrastructure intelligent supervision device can be utilized to achieve the function of continuing supervision, so that the interruption of the supervision is avoided, and the effect of the ceaseless supervision is ensured.

The invention discloses an efficient intelligent ship power station monitoring system. The efficient intelligent ship power station monitoring system comprises a camera electrically connected with anoperation table, the surface of the camera is fixedly connected with an adjusting device, the adjusting device comprises a base, a sliding rod is rotationally connected with the upper surface of the base in a limited mode, the surface of the sliding rod is fixedly connected with a worm wheel, a worm meshes with the rear side of the worm wheel, a rectangular hole is formed in the right end of the worm, a rectangular rod is slidably connected to the right end of the worm through the rectangular hole, a fixing base is fixedly connected to the upper surface, close to the right side, of the base, the rectangular rod penetrates through the fixing base and is rotatably connected with the fixing base, and a rotating arm is rotatably connected to the inner wall of the fixing base through a hinge pin. According to the efficient intelligent ship power station monitoring system, through the cooperative use of the structures, the problems that in the actual use process, a traditional monitoring camera is difficult to steer and adjust in aspect of a pitch angle during installation, inconvenience is brought to the actual installation, and the monitoring blind angle is increased are solved.

The invention aims at providing a refined gas-liquid separator which comprises an outer barrel body, an inner barrel body and a core barrel, wherein the inner barrel body extends into the outer barrelbody; the lower end part of the inner barrel body is left at the outer part of the outer barrel body; the core barrel is located in the outer barrel body; the lower end part of the core barrel extends into the inner barrel body; a water retaining ring and a water retaining cap are respectively mounted at the outer part of the core barrel; the water retaining ring is fixed between the core barreland the outer barrel body; the water retaining cap is connected with the inner barrel body by a water retaining cap supporting rod; an impeller is mounted in the inner barrel body; a liquid dischargesection is arranged on the inner barrel body above the impeller; liquid discharge holes are formed in the liquid discharge section; a separator liquid-phase outlet is formed in the lower end part of the outer barrel body; a separator gas-phase outlet is formed in the top of the outer barrel body; a gravity separation chamber is formed in each of inner spaces of the outer barrel body, which are located above the water retaining ring and below the water retaining ring. According to the refined gas-liquid separator, gas-liquid mixture can be efficiently separated in a refined manner through three-time separation within the wide flow range and under different corrected flow rates of a gas phase and a liquid phase, in particular to an oscillatory flow pattern.

The invention discloses a muscle retraction auxiliary device for a general surgery operation. The device comprises a support block, the upper surface of the support block is movably connected with a support plate; a groove is formed in the lower surface of the support block, and a lifting device is fixedly connected to the lower surface of the support block through the groove. The upper surface ofthe support block is fixedly connected with an n-shaped pipe. The inner wall of the n-shaped pipe is fixedly connected with a shaft I; the surface of the shaft I is rotationally provided with a transmission ring in a limited mode, the front side of the transmission ring is fixedly connected with a connecting ring, the side face of the connecting ring is fixedly connected with a swing block I, theside face of the n-shaped pipe is provided with a through groove I allowing the swing block I to rotate, and the surface of the swing block I penetrates through the through groove I and is fixedly connected with a supporting plate. Through cooperation of the structures, the problems that in the actual use process, due to the fact that a retractor easily causes secondary damage to a wound, positioning of the retractor is not convenient and rapid enough, the working efficiency is reduced, and inconvenience is brought to use are solved.

The invention relates to a rivet punching jig of a thin core board, and belongs to the technical field of industry of a printed circuit board (PCB in short). The rivet punching jig comprises a copper-free substrate and also comprises riveting holes, groove holes and windows, wherein the riveting holes are formed in four corners of the copper-free substrate, each groove hole is formed in each edgeof the copper-free substrate, the two windows are respectively formed in an upper edge and a lower edge of the copper-free substrate, and each window is formed in each side edge of the two side edges.The jig provided by the invention can have a fixing and supporting effect during rivet punching, a core at an inner layer is difficult to break, so that layer drift is also prevented; the jig employsa groove PIN to position, the whole positioning effect is relatively good, and a PIN hole is also prevented from being damaged by sleeving during operation of a worker; and the jig is fabricated by employing the copper-free substrate, the whole weight is relatively light, and the worker is convenient to operate.

A percutaneous infratemporal fossa-orbit outer wall endoscope puncture guide plate comprises one or two base plates. Each base plate is composed of a base and a deflector, wherein the base is an arc-shaped plate attached to the radian of the temporalis outer scalp layer, and the front end of the base is consistent with the radian of hairlines; an observation hole is formed in the base; the deflector is arranged in front of the base, and the deflector and the base are integrally formed; the deflector is provided with a first guide hole containing an endoscope and two second guide holes capable of containing an ultrasonic scalpel or an aspirator, the second guide holes are located at the two sides of the first guide hole respectively, and the first guide hole, the second guide holes and the base are integrally formed. The invention further discloses an application method of the puncture guide plate. Through the puncture guide plate, operation time can be shortened, compatibility with operation equipment and monitoring equipment during an operation is high, the probability of failure in locating infratemporal fossa can be reduced, the windowing range on the orbit outer wall is guided to be 3 cm<2> to 4 cm<2>, and it is avoided that excessive windowing causes cerebrospinal fluid leakage, particularly a patient whose cerebral dura mater of anterior cranial fossa is low.