88results about How to "Guaranteed unchanged" patented technology

The invention provides an identity information dynamic desensitization method and system based on SM4 and SM9 algorithms, and the method comprises the steps: carrying out the data segmentation of original identity information, and obtaining sensitive segment information and common segment information; performing key dynamic generation based on an SM4 algorithm, and encrypting the sensitive segment information to obtain encrypted sensitive segment information; extracting a feature value of the common segment information through a preset hash function, and converting the feature value into coded data in a preset format to obtain converted common segment information; splicing the converted common segment information and the encrypted sensitive segment information to obtain preliminary desensitized data; and encrypting the preliminary desensitized data based on an SM9 algorithm to generate an encrypted ciphertext, and embedding a unique identity identifier associated with the original identity information into the encrypted ciphertext in an encryption mode to obtain desensitized identity information. According to the invention, the dynamic desensitization of the identity information can be realized, and the data format can be kept unchanged.

The invention relates to the technical field of stackers, in particular to a fastener finished product packaging line shuttle type tray stacker which comprises a horizontal rail and a lifting mechanism, a horizontal sliding seat is arranged on the horizontal rail in a sliding mode, a vertical rail is vertically arranged on the horizontal sliding seat, a vertical sliding seat is arranged on the vertical rail in a sliding mode, and the lifting mechanism is arranged on the vertical sliding seat. A telescopic objective table and a balancing weight are arranged on the vertical sliding seat, and the telescopic objective table can slide in the extending direction perpendicular to the vertical rail and is used for bearing goods; the balancing weight can slide in the direction perpendicular to the extending direction of the vertical rail and is opposite to the moving direction of the telescopic objective table so as to balance the torque generated by goods on the telescopic objective table. The lifting mechanism is configured to be capable of driving the telescopic objective table to incline downwards when the telescopic objective table drives the goods to be switched from a static state to a moving state, so that the goods tend to move forwards, then the backward moving trend of the goods due to inertia can be counteracted, and the accuracy of the stacking position of the goods is guaranteed.

The invention discloses a multi-modal fusion positioning device and method for a cable traction parallel robot. The multi-modal fusion positioning device comprises an outlet point follow-up mechanism fixed to a cable traction parallel robot system and a traction cable fixed pulley mechanism which follow up when a traction cable swings left and right; the traction cable fixed pulley mechanism is used for bypassing the traction cable from a pulley of the traction cable fixed pulley mechanism; the laser distance measuring sensor follow-up measuring mechanism is used for rotating around the axis of the integrated pulley when penetrating through the traction cable to swing up and down; the sensing measurement device is used for measuring the movement speed of the traction cable, the included angle between the traction cable and the vertical shaft and the distance between the traction cable and the reflecting plate from the outlet point in real time; and the reflecting plate device is used for receiving the laser emitted by the laser distance measuring sensor and indirectly measuring the length of the traction cable. By directly measuring the position of the anchor point of the tail end motion platform in the space, the pose of the tail end motion platform in the space is deduced, and high-speed and high-precision fusion positioning of the tail end motion platform of the high-frequency robot is achieved.

The utility model relates to the technical field of lithium battery packaging, in particular to a positioning device and a cylindrical battery cap packaging machine, the positioning device is used for positioning a cylindrical battery, the positioning device comprises a fixing frame, a rotating seat, a clamping mechanism and a driving mechanism, the rotating seat is rotatably arranged in the fixing frame, and the clamping mechanism is arranged on the rotating seat. The number of the clamping mechanisms is four, the four clamping mechanisms are arranged around the rotating seat, each clamping mechanism comprises a clamping piece, a guide assembly and a connecting rod, the clamping pieces are installed on the guide assemblies, the guide assemblies are in sliding connection with the fixing frame and are close to or far away from the rotating seat along the fixing frame, and the connecting rods are connected with the clamping pieces. One end of the connecting rod is rotationally connected with the guide assembly, the other end of the connecting rod is rotationally connected with the rotating seat, and the driving mechanism drives the rotating seat to rotate. According to the positioning device disclosed by the utility model, the driving mechanism is adopted to control the rotating seat to rotate, so that the guide assembly is pulled to slide along the fixed frame through the connecting rods, and the clamping pieces are driven to be close to the rotating axis of the rotating seat at the same time; and the central positions of different cylindrical batteries can still be ensured to be unchanged, so that the positions of the cylindrical batteries are prevented from being readjusted and pressed, and the purpose of improving the debugging efficiency of the battery cap packaging machine is achieved.

The utility model relates to the technical field of clamps, and particularly discloses a clamping mechanism which comprises a base, a driving part and a clamping assembly, and the driving part is arranged on the base; the number of the clamping assemblies is at least two, the two clamping assemblies are slidably arranged on the base in the first direction, and the driving part is used for driving the two clamping assemblies to get close to or away from each other; the clamping assembly comprises a clamping seat, a clamping jaw and an elastic piece, and the clamping seat is arranged on the base in a sliding mode in the first direction; the clamping jaw is slidably arranged on the clamping seat between a first position and a second position in the second direction; the elastic piece is arranged between the clamping base and the clamping jaw and used for enabling the clamping jaw to be stopped at the first position. By means of the arrangement, the problems that the workpieces move relative to the clamping jaws, consequently, the workpieces are scratched, and even the workpieces are separated from the clamping jaws, and consequently the workpieces fall off are solved, and the transfer success rate is increased.

The invention relates to an adjusting method, device and equipment for text description of a multi-modal large model. The method comprises the steps that a first sample image is determined, and first text description of the first sample image is set as second text description; adding an image trigger in the first sample image to obtain a second sample image; adjusting the parameters of the added image trigger and the context generator through each third sample image and each second sample image; obtaining an image feature vector from the sample image through an image encoder, obtaining a text feature vector from a prediction text obtained by the context generator and a text description corresponding to the sample image through a text encoder, and carrying out feature alignment through the image feature vector and the text feature vector to obtain an output text of the multi-modal large model needle; the loss function is determined based on the similarity between the image feature vector and the text feature vector, the parameters of the multi-modal large model are kept unchanged as much as possible, the output text of the multi-modal large model is specifically adjusted, and the adjustment efficiency is improved.

The utility model discloses a follow-up support for auxiliary detection and treatment of a magnetic stimulator, which comprises an upper shell and a bottom shell, and a face clamping air bag is arranged on a headrest U-shaped frame, so that the head of a person can be effectively fixed, the head wrapping comfort is improved, and the relative shaking of the head is reduced. A good fixing posture can be kept all the time in the detection and treatment process, and the head and the neck of a patient can have good comfort; meanwhile, the two-key wired hand controller can control the miniature air pump and the vacuumizing air pump to be started and stopped, the pressure in the face clamping air bag can be adjusted so as to control the size of the face clamping air bag, and therefore the face clamping air bag can be matched with the heads of people of different sizes, the human brain is fixed during treatment and detection, and it is guaranteed that the relative positions of the human brain and the stimulation coil are not changed; and the device adopts the bidirectional rotating damper, so that the headrest U-shaped frame can stop at will in the rotating process in the treatment process, and the use feeling is good.

The invention belongs to the technical field of construction platforms, and particularly relates to a green building intelligent construction platform which comprises a moving seat and a working platform, the working platform is connected with the moving seat through a scissor type telescopic frame, protective fences are fixed to the edges of the four sides of the top face of the working platform, and a mounting cavity communicating with the outside is formed in the working platform. An adsorption assembly is arranged in the mounting cavity; the adsorption assembly comprises a suction cup and a first air pump, the suction cup is arranged in the mounting cavity and connected with the inner wall of the mounting cavity through an electric push rod, the first air pump is fixed to the inner wall of the mounting cavity, and the air suction end of the first air pump fixedly communicates with the suction cup through a hose; according to the invention, by inflating the air bag, the air bag can more flexibly adapt to the irregular shape of the surface of the ceramic tile, the extrusion force of the contact surface of the air bag and the wall surface is more uniform, and the inflated air bag can better fill the unevenness of the pattern surface of the ceramic tile, so that more comprehensive contact and sealing are realized, and the contact effect is improved.

The invention relates to the technical field of target detection, and discloses a multi-scale multi-target thermal infrared traffic target detection method based on improved YOLOv8. According to the method, a YOLOv8 network is improved through a ParmC2f module, an ADCD Head module and a Width IoU loss function, the ParmC2f module is used for replacing the C2f module, the parameter quantity of a model is increased, the detection precision of the model is improved to a certain extent, it is ensured that FLOAPs are not changed, the model reasoning speed is ensured, the model is not directly influenced by the increase of the parameter quantity, the ADCD Head module is used for replacing a standard Head module, and the detection accuracy of the model is improved. According to the method, target information of samples with different scales is effectively extracted by utilizing multi-scale information fusion, effective feature extraction of multi-target samples is realized by adopting adaptive cavity convolution, the attention of a model to the samples in a multi-scale and multi-sample complex traffic environment is dynamically adjusted by using a Wise IoU loss function, and the processing of low-quality samples is optimized.

The present invention discloses a polarization-resolved fluorescence test system based on a three-dimensional movable optical path, including a laser generating component for generating excitation light; a laser polarization adjusting component for adjusting the polarization state of the excitation light; a filter for reflecting the excitation light and transmitting the fluorescence emitted by the sample; a three-dimensional independent optical path displacement component for three-dimensionally adjusting the optical path to focus the light spot on the sample surface for independent movement in the x, y, and z axes; a microscope system for illuminating and microscopically imaging the sample surface morphology, excitation light, and fluorescence; a fluorescence polarization adjusting component for adjusting the polarization state of fluorescence; and a spectrum detection module for detecting the spectrum and lifespan of the fluorescence. The present invention has the characteristics that the sample does not move but the optical path moves, and is compatible with most non-displaceable cryostats on the market. At the same time, polarization-adjustable components and small-angle incidence are used to realize arbitrary circularly polarized or linearly polarized fluorescence detection.

The invention relates to a crane automatic transmission device and method under an I-shaped beam annular route, the crane automatic transmission device comprises a crane bin and an I-shaped beam, the I-shaped beam comprises a first linear end distributed in the Y-axis direction and a second linear end distributed in the X-axis direction, and a connecting bend is arranged between the first linear end and the second linear end; a power input mechanism is arranged at the top of the crane bin and comprises a first driving gear, a second driving gear, a power shaft and a power motor, the first driving gear can be matched with the first rack track, and the second driving gear can be matched with the second rack track. The device is used for smooth turning of a crane annular route in a limited space, the resistance of a current crane under a small turning radius is reduced, the reliability of a crane system is improved, and the device is a key component in indoor crane transmission equipment.

The utility model relates to the technical field of aluminum shell batteries, in particular to an aluminum shell battery cover plate and battery cell connecting piece welding positioning system which comprises a placing clamp, a shell end positioning mechanism, a shell side positioning mechanism, a battery cell positioning mechanism and a welding device, and the placing clamp is used for placing a shell internally provided with a battery cell; the shell end part positioning mechanism is used for positioning the first end of the shell, the second cover plate and the first cover plate; the battery cell positioning mechanism is used for positioning a battery cell in the shell along a first direction; the shell side positioning mechanism is used for positioning the two sides, in the second direction, of the shell placed on the placing clamp. And the welding device is used for welding the connecting sheet connected with the positioned battery cell and the first cover plate together. The system can position the shell, the battery cell, the connecting piece and the first cover plate in all directions, and is matched with the welding device for direct welding under the condition of keeping the positioning state, so that the welding effect is improved, and the battery quality is finally ensured.

The present invention relates to the field of popular science education technology, and in particular to a solar telescope exhibition system and method for automatically adjusting display modes. A solar telescope exhibition system and method for automatically adjusting display modes include a handheld electronic device, a control computer, an imaging display device, an audio playback device, a lighting component, and an infrared detection device. The handheld electronic device, the imaging display device, the audio playback device, the lighting component, and the infrared detection device are electrically connected to the control computer. The present invention can use sound, light, images, etc. to monitor the structure of the solar telescope, the back-end instruments of the solar telescope, and the scientific-level images collected by the solar telescope, and ensure that the display content of the solar images viewed by tourists remains unchanged, thereby realizing automatic adjustment of the exhibition mode according to the density of the flow of people in the exhibition hall, realizing intelligent crowd guidance, and alleviating the crowd congestion in the exhibition hall.

The invention relates to an acceleration reliability test method and device, computer equipment, a medium and a product. The method comprises the steps of determining equipment-level activation energy of a target product in each reference constant temperature section based on activation energy of all components in the target product; determining a temperature acceleration factor and a vibration acceleration factor based on the reference cycle index and the activation energy of each equipment level; determining a comprehensive acceleration factor based on the temperature acceleration factor and the vibration acceleration factor; based on the reference test total time and the comprehensive acceleration factor, determining an acceleration reliability test profile of the target product; the accelerated reliability test profile is used for carrying out accelerated reliability test on the target product. By adopting the method, the test efficiency can be improved.

The utility model relates to a welding device, in particular to a scraper chain welding device, which comprises a position changing machine, a chain conveying device, a chain conveying device and a chain conveying device, the welding bottom plate is provided with a plurality of welding grooves for welding; the positioning pin is arranged on the welding bottom plate, is positioned on one side of the scraping plate and is used for positioning the scraping plate; the pressing device is arranged on the welding bottom plate and is used for pressing the scraping plate; and the positioning device is arranged on one side of the welding groove and used for positioning the chain link, so that the scrapers are symmetrically located on the two sides of the chain link. According to the scraper chain welding device, positioning of the scraper is achieved through the positioning pin, the scraper is fixed through the pressing device, positioning of a chain link is achieved through the positioning device, welding of the two sides of the scraper is facilitated through the welding groove, automatic overturning of welding is achieved through the positioner, it can be guaranteed that the position of the scraper is not changed during welding, deformation is reduced, and the welding efficiency is improved. And meanwhile, a plurality of products can be welded, so that the welding efficiency is greatly improved.

The application discloses a flow-adjustable multi-stage throttling device and application thereof, wherein the device comprises a front flange pipeline, a flow-adjustable component and a rear flange pipeline, and the front flange pipeline and the rear flange pipeline are tightly connected; the flow-adjustable component comprises a plurality of adjustable orifice plate assemblies arranged in the inner cavity of the flange pipeline formed by the front flange pipeline and the rear flange pipeline; each adjustable orifice plate assembly comprises a sealing cover plate, a bottom plate, an adjusting rod, a rotating disc and a driver; the adjusting rod is arranged in the mounting hole of the bottom plate, the rotating disc is mounted on the bottom plate, the driver is mounted on the sealing cover plate, and the throttling hole of the sealing cover plate and the throttling hole of the bottom plate are communicated to form a throttling window; the driver is used for driving the rotating disc to rotate when rotating; the rotating disc is used for driving the adjusting rod to enter or exit the throttling window through the rotating wheel, so that the effective throttling area of the throttling window is changed. The application can actively and low-noise adjust the flow under different working conditions.

The invention discloses a barrier gate with a propaganda assembly for a construction site, which is characterized in that a clamping seat is slidably connected in a placing frame, an ejection head is inserted in the clamping seat, the input end of the ejection head is connected with a knob, a billboard is mounted between the clamping seat and the placing frame, and a magnet is arranged on the billboard and adsorbed on the clamping seat; when the billboard is installed, the billboard is placed in the inner groove of the placing frame, after the billboard moves into the inner groove, the magnet on the billboard can be attracted to the clamping base, so that the billboard is preliminarily fixed, the rotary knob can be rotated after the billboard is placed, the rotary knob can move along the placing frame, and the billboard is clamped and fixed by the clamping base; the billboard can be stably installed, the placing frame can be installed on the fixing frame after the billboard is installed, the fixing frame conducts lifting movement through the steel wire rope, the billboard can be driven to ascend and descend in the lifting movement process, and therefore the billboard cannot be in a folded state, and it is guaranteed that the billboard can be completely observed.

The utility model discloses an adhesive tape die cutting device which comprises a workbench, and a first fixing rod is fixed to the upper portion of one side of the workbench. Through cooperative use of the sliding groove, the sliding block and the ionic wind snake, a large amount of airflow with positive and negative charges can be generated through the ionic wind snake in the using process of the device, charges on an object can be neutralized, and when the charges on the surface of the object are negative charges, the positive charges in the airflow can be attracted by the ionic wind snake; when the electric charge on the surface of the object is positive charge, the electric charge can attract negative charge in airflow, so that static electricity on the surface of the object is neutralized, the purpose of eliminating the static electricity is achieved, the static electricity generated around the adhesive tape in the die cutting operation process can be eliminated through the ionic wind snakes, edge warping of the adhesive tape caused by the static electricity in the die cutting operation process is prevented, and the service life of the adhesive tape is prolonged. The sliding block in the sliding groove of the workbench slides to drive the ionic wind snake to slide on the workbench together, and the sliding ionic wind snake can be aligned with the maximum reaction area where static electricity is generated in the adhesive tape die cutting operation process for centralized elimination.

This invention provides a sample drying device for raw ore sample analysis. The device includes a body with a heating tube fixedly connected to its inner wall and a turning assembly inside the body. In this device, the sample box rotates with the clamping frame, causing the sample to continuously change angles in space. This allows hot air to contact the sample surface from different directions, increasing the rate of moisture evaporation. Compared to static heating, this method better avoids localized moisture retention and improves drying uniformity. A turning plate moves the raw ore sample within the sample box, continuously loosening and turning the sample, constantly mixing the internal and external samples, significantly reducing the risks of agglomeration, sintering, and coking. Because the turning direction is perpendicular to the main rotation direction, the raw ore sample moves synchronously in both directions, resulting in more uniform drying and more comprehensive penetration of hot air into the sample.

The invention discloses a method for predicting phase-locked abnormal processing of a single-phase energy storage inverter when the mains power passes through zero point. The method is performed according to the following steps: judging whether a phase-locked interruption starts, if not, returning to re-judgment whether the phase-locked interruption starts; if yes, judging whether Δθ is less than, if yes, reducing, if not, judging whether Δθ is greater than and less than, if yes, keeping unchanged, if not, judging whether Δθ is greater than, if yes, increasing, if not, returning to re-judgment whether the phase-locked interruption starts; Δθ is the phase of the inverter voltage leading the mains power, which is the amount by which the inverter voltage is smaller than the mains power frequency, c is the adjustment step for each time, and n is the ratio to c.

This invention relates to the field of aircraft technology, providing a method for manufacturing a flap assembly, the flap assembly itself, and a vertical takeoff and landing (VTOL) aircraft. The method includes the following steps: rotatably connecting a wing box section to a flap section, and installing a ducted fan propulsion mechanism on the flap section; driving a drive mechanism with a harmonic reducer to the flap section, causing the drive mechanism to drive the flap section to rotate via the harmonic reducer; and connecting a locking mechanism with a pneumatic spring to the flap section, causing the locking mechanism to lock the flap section via the pneumatic spring. The manufacturing method for the flap assembly provided by this invention amplifies the torque of the drive mechanism by using a harmonic reducer to drive the flap section to rotate, making it easier to drive the flap section to rotate; and by connecting a pneumatic spring to the flap section to lock it, better preventing the flap section from rotating, thereby ensuring that the rotation angle between the flap section and the wing box section remains constant, avoiding affecting the flight status of the VTOL aircraft, and improving safety.

The invention relates to the technical field of recombined bamboo preparation, and discloses a high-toughness bamboo fiber composite recombined bamboo standby automatic drying machine which comprises a drying box, a supporting plate is fixedly connected to the interior of the drying box, a rotating ring is rotatably connected to the interior of the supporting plate, and a containing frame is fixedly connected to the inner side of the rotating ring. A drying assembly used for drying bamboo in multiple directions to improve the drying effect of the bamboo is arranged in the drying box, and a scraping assembly used for automatically scraping water in the bamboo in a reciprocating mode to improve the drying efficiency is arranged in the drying box. Through the drying assembly, under the action of swinging centrifugal force and hot air drying, the situation that multiple long-strip-shaped bamboo wood are stacked due to position movement under the conditions of rotation and hot air blowing can be effectively prevented, the long-strip-shaped bamboo wood can be better kept not to move under the action of rotation and hot air blowing drying, stacking of the long-strip-shaped bamboo wood is avoided, and the drying efficiency of the long-strip-shaped bamboo wood is improved. And the long-strip-shaped bamboos are dried more uniformly.

The utility model relates to a cradle five-axis rotary table installation automation tool which comprises a final assembly platform, a groove which is concave inwards is formed in the middle of the upper end of the final assembly platform, a longitudinal linear sliding table is installed at the bottom of the groove, an automatic lifting table which slides front and back is installed at the upper end of the longitudinal linear sliding table, and a cradle placing plate is fixedly installed at the upper end of the automatic lifting table. The positions, located on the two sides of the groove, of the upper end of the final assembly platform are each provided with a transverse linear sliding table, the upper end of the transverse linear sliding table on the left side is provided with a left support installation plate sliding left and right, the left support installation plate is provided with a left support, and the upper end of the other transverse linear sliding table is provided with a right support installation plate sliding left and right. A right support is installed on the right support installation plate, and a marble straight gauge is transversely arranged at the position, behind the cradle containing plate, of the upper end of the general assembly platform. The sliding table is matched with the automatic lifting platform, high-precision control over concentricity of the cradle rotating shaft and the left and right supports is achieved, the overall automation degree is high, and manual operation can be effectively reduced.

The application discloses a kind of tunnel crossing active fault adaptive structure system, including tunnel structure, safety space, track system and adaptive support system;When active fault dislocation, the surrounding rock that moves downward is footwall surrounding rock, safety space is provided between track system and the tunnel structure arranged in footwall surrounding rock, adaptive support system is arranged in safety space;Adaptive support system includes gear device arranged in the both sides of track system, gear device is connected with tunnel structure and track system;After active fault dislocation, footwall surrounding rock moves downward, hangingwall surrounding rock supports track system upward, track system moves upward relative to footwall surrounding rock, gear device has brake function, provides vertical support force for track system arranged in footwall surrounding rock tunnel structure, keeps the vertical direction position of track system unchanged.The application can realize adaptive adjustment function according to fault dislocation, maintain the flatness of track system in longitudinal direction, make fault dislocation amount distribute reasonably in tunnel section.

The present application belongs to the field of vehicle technology, and in particular, relates to a shock absorber and its control system. The existing shock absorber has a complex structure, high manufacturing cost, and is difficult to be widely promoted; the input speed of the generator is low, the vibration energy conversion efficiency is insufficient, and the rigidity and carrying capacity need to be improved. The present application provides a shock absorber, including a first hanging ring, a first cover, a connecting rod mechanism, a first disk, a second disk, a second cover, and a second hanging ring connected in sequence. The first disk is provided with a central axis, the central axis is connected to a speed increaser, the speed increaser is provided on the second disk, the speed increaser is connected to a linear motor, the central axis is connected to a limit assembly, a slider is provided on the second disk, a slide rail is provided on the first disk, the slider slides on the slide rail, a damper is provided between the first cover and the first disk, one end of the damper passes through the first cover, and the other end of the damper is connected to the first disk. Small size, simple structure, high power generation efficiency, large rigidity, and strong carrying capacity.

The utility model discloses an ice compress device, which relates to the technical field of ice compress equipment and at least comprises a neck fixing part, a left fixing bag, a left waterproof bag, a left ice bag, a right fixing bag, a right waterproof bag and a right ice bag, wherein the left waterproof bag is arranged in the left fixing bag; the left ice bag is arranged in the left waterproof bag; the right waterproof bag is arranged in the right fixing bag; the right ice bag is arranged in the right waterproof bag; the left fixing bag and the right fixing bag are arranged on the neck fixing piece; during use, the neck fixing part is fixed to the neck of a user, a first spacing distance is formed between one side of the left fixing bag and one side of the right fixing bag, and a second spacing distance is formed between the other side of the left fixing bag and the other side of the right fixing bag. According to the ice compress device, ice compress can be conveniently carried out on the portion needing ice compress, in the ice compress process, the fixing bag can be prevented from being wetted by water vapor condensed by the ice bag, and therefore the portion, subjected to ice compress, of the human body can be prevented from being wet and cold, and it can be avoided that normal breathing of the throat is affected due to freezing.

The invention discloses an alloy transition lining for brazing of a Y-TZP ceramic furnace body and metal component sleeving structure and a brazing method, and relates to an alloy transition lining for brazing and application. The problems that large residual stress exists when an existing Y-TZP ceramic furnace body is directly brazed with a copper wire, a K-type thermocouple wire and a 316L gas guide pipe main pipe, and a connector obtained through brazing is low in mechanical property, sealing property and thermal shock resistance are solved. The copper wire transition lining, the thermocouple transition lining and the gas guide pipe connecting pipe transition lining are used for brazing transition between the metal component and the Y-TZP ceramic furnace body, and the transition linings can effectively relieve residual stress between the Y-TZP ceramic furnace body of the induction heating furnace and a copper wire, a thermocouple and a gas guide pipe main pipe; the corrosion phenomenon of the metal base material in the sleeve joint is inhibited, and the mechanical property, the sealing property and the thermal shock resistance of the joint are obviously improved.

The invention provides an automatic welding executing mechanism and an automatic welding method of a pipeline. The automatic welding executing mechanism comprises a molten pool observation component, a welding gun, a clamping component, a rotary motion component, a mounting rotary disc, a mounting base, a welding gun connecting rod, a motor connecting rod, a welding gun height motion component, a wire feeding component and a welding gun swing motion component. And the mounting rotating disc is connected and driven with the rotary moving part through a rotating ring and a chain. And the rotary moving part and the clamping part are mounted together. The welding gun connecting rod and the motor connecting rod are both installed on the installation base and then integrally installed on the installation rotating disc. The wire feeding component is used for continuously feeding a welding wire into the lower portion of the welding gun in the welding process, the welding wire is melted under the action of electric arcs, finally, a welding seam is formed on welded pipeline base metal, and the welding wire feeding component is installed on a welding gun connecting rod through a bolt. The executing mechanism body is installed on the rotating disc. Through a modularized, compact and customized connecting rod structure, the problem that automatic welding cannot be implemented in a narrow space in the prior art is solved.

The embodiment of the present disclosure provides a kind of high temperature gas cooled reactor main helium fan main bolt tensile measurement device and method, the head of the main bolt is provided with tensile measurement base block and the tensile measurement rod inserted in the tensile measurement base block, measurement device includes: measurement base, measurement base is provided with first installation hole and the measurement hole being communicated with the first installation hole, first installation hole is used to be connected with the tensile measurement base block;Intermediate measurement rod, the first end of intermediate measurement rod is movably inserted into the measurement hole and can be contacted with the tensile measurement rod;Fixed support, fixed support is fixed to the measurement base, fixed support is provided with second installation hole at the position corresponding to the measurement hole;Displacement measuring element, the first end of displacement measuring element passes through the second installation hole to the second end of the intermediate measurement rod abuts.This measurement device of the present disclosure is simple in structure, can reliably fix displacement measuring element, and installation is convenient, measurement is simple.

The present invention relates to the technical field of structural color materials, and specifically, to a red metal dielectric structural color film. It includes from bottom to top: a substrate, a reflective metal layer, a dielectric layer, a semi-transparent metal layer and a top admittance matching layer. In the present invention, the reflective layer metal has stable chemical properties and high reflectivity properties; the dielectric layer has stable chemical properties, high refractive index and low visible light absorption properties; the semi-transparent metal has neutral metal properties, and the refractive index and extinction coefficient are close; the outermost admittance matching layer realizes the low reflection property of short-wave visible light. The present invention realizes high reflection in the red band of 650nm-700nm, and presents a high-saturation red effect as a whole. In the present invention, the substrate, the reflective metal layer, the dielectric layer, the semi-transparent metal layer and the top admittance matching layer all provide a variety of materials for flexible selection; keeping the structure and materials unchanged, only the thickness of the film layer needs to be fine-tuned to obtain red with different saturations, and the structure is highly versatile.