434results about How to "Damage will not" patented technology

The invention relates to a material diversion mechanism, which is used in a material diversion system of a roller conveyer line and comprises a first conveying roller path (4), a second conveying roller path (1) and a path separation mechanism. An angle of 90 degrees is formed between the first conveying roller path (4) and the second conveying roller path (1). The path separation mechanism is arranged at the turning point of the first conveying roller path (4) and the second conveying roller path (1), is arranged under the first conveying roller path (4) and comprises a fixed seat body (11), a bearing seat body (13), a driving shaft (12), a driving sprocket (2), a driving belt pulley (3), a belt bearing body (14), a belt bearing wheel (5), connecting rods (8), a lifting cylinder (7), a tension adjusting cylinder (9) and a tension adjusting wheel (10), wherein the belt bearing body (14), the belt bearing wheel (5), the driving belt pulley (3) and a belt (6) form a belt conveyor unit, and the fixed seat body (11), the two groups of connecting rods (8) and the belt conveyor unit jointly form a parallelogram mechanism. The material diversion mechanism improves the material diversion efficiency and can protect materials against damages during diversion.

The invention relates to an atmospheric plasma buffing attachment. The invention aims to overcome shortcomings in normal mechanical buffing process and solve problems of low efficiency, damage for surface and semi-surface and hardness for clean in process of preparing ultra-smooth surface with fragile material such as silicon carbide. The main components comprise: sealed working capsule (51), plasma torch (53), the first linked system (52), the second linked system (57), the first flow quantity controller (60), the second flow quantity controller (65), reacting gas bottle (61), plasma gas bottle (62), and gas recycle treating device (63); the plasma torch is installed on the first linked system. The ultra-smooth surface is realized under normal pressure through plasma chemical reaction, which can reduce device cost and enlarge application range. The working efficiency is ten times than that of traditional method, and there is no surface damage and no surface pollution.

The invention relates to a pneumoperitoneum-free peritoneoscope suspending type abdominal wall puncture device, and overcomes the defect that secondary trauma occurs easily to patients by using a kirschner pin to puncture into abdominal walls to suspend the abdominal walls. The puncture device comprises a sleeve and a plurality of supporting arms arranged on the sleeve in a central radial shape, wherein a deformation portion is connected to the end portion of the sleeve and connected with the supporting arms; and one ends of pull ropes are fixed on the end portion of the supporting arms, lugs with rope holes are arranged on the sleeve away from the deformation portion, and the other ends of the pull ropes penetrate through the rope holes in the lugs to be fixed on the outer portion of the abdominal wall. A supporting surface is arranged after the supporting arm is opened, and a barrel-shaped space is formed after the supporting arm is suspended, so that enough surgical fields are provided during the surgery; and the supporting arm of the puncture device is inserted from a cut of the abdominal wall and is opened gradually, so that the kirschner pin is not needed to perform puncture and suspension, the secondary trauma is prevented, and the puncture device is helpful for alleviating traumatic pains of patients.

The invention discloses a finite element model correction method for a large-span steel bridge based on a uniform temperature response monitoring value, and the method comprises the following steps: 1), carrying out the analysis of yearly monitoring data of the large-span steel bridge, and finding a response law of a structure under the action of a uniform temperature field; 2), building a preliminary finite element model according to design data; 3), preliminarily determining the horizontal rigidness of a steel bridge supporting seat through employing an iteration method; 4), carrying out the sensitivity analysis of the large-span bridge based on the temperature response data of the large-span bridge, and determining a design variable with the higher coefficient of association with actual measurement data; 5), carrying out the optimization analysis of a large-span bridge finite element model through reducing the difference between a finite element model calculation result and the actual measurement data. Compared with a commonly used finite element model correction method based on a power response result (test modal data), the method is simple and accurate, is lower in cost, and is good in safety.

To provide a transporting system for transporting glass substrates one by one from exchangers to a manufacturing line without transfer from one stationarily installed conveyor to another, capable of performing delivery and reception simultaneously and establishing an efficient transportation without loss of the tact time. The glass board transporting system is to make cassette transport of glass substrates from an automated warehouse to a plurality of exchangers laid parallel and then transport them one by one from the exchangers to the manufacturing line, wherein each exchanger is furnished internally with a conveyor to load or unload glass substrate on/from a cassette rising and falling within the exchanger, and on that side of each exchanger which makes loading and unloading of glass substrates, a delivery conveyor to deliver the glass substrates to the manufacturing line and a reception conveyor to receive the glass substrate discharged from the manufacturing line are installed at a certain spacing in the vertical direction in such a way as capable of running independently without interference, and further the conveyor installed inside the exchanger is made possible to rise and fall corresponding to the levels of the delivery conveyor and the reception conveyor.

The invention discloses a concrete column base joint containing a high-ductility replaceable energy-dissipation connecting assembly. The concrete column base joint is arranged on the bottom of a rectangular-section column of a concrete structure, and comprises a concrete column, the high-ductility replaceable energy-dissipation connecting assembly and a concrete base, wherein the high-ductility replaceable energy-dissipation connecting assembly is separately welded with the concrete column and a steel connecting block pre-embedded in the concrete base to form a continuous reliable force transmission system. The bottom of the concrete column is equipped with a column bottom reinforcing core column, so that column bottom pressure can be borne under action of an earthquake, and damages are avoided; and the high-ductility replaceable energy-dissipation connecting assembly is mounted on four side surfaces of the column base joint, so that stressed longitudinal bars on the original positionsare replaced, and therefore, hysteretic behavior can be utilized to dissipate earthquake energy during a medium earthquake or a big earthquake, and damages can be controlled inside.

The invention discloses a collaborative defense method for network protection and system. The system comprises a decision-making and deployment layer and a collaboration and monitoring layer, whereinthe decision-making and deployment layer uses an acquired network security early warning event, a defense intension is formulated according to the defense purpose of the network security and the current situation of the network security, a network defense strategy is later generated by a decision-making engine, and a defense task is deployed according to the defense strategy; the collaboration andmonitoring layer comprises a control center and network security devices, thereby realizing collaborative task deployment between network security devices and real-time monitoring on the network defense condition; the control center is in communication connection with the decision-making and deployment layer and the network security devices for data flow control and logical control; and the control center comprises a collaborative defense strategy analysis module, a collaborative defense strategy subscription module and a collaborative defense strategy distribution module. A collaborative defense solution with security perception, collaborative protection and centralized management as the core can be given, and an active, integrated and comprehensive dynamic security protection system isrealized.

The invention discloses a unit temperature response monitoring value based correction method for a finite element model of a large-span steel bridge. The method comprises the following major steps of 1) analyzing annual monitoring data of the large-span steel bridge and determining static strain and displacement generated by unit uniform temperature change based on a relative probability histogram of a structure response value during unit temperature change; 2) establishing a primary finite element model according to design data; 3) preliminarily determining the horizontal stiffness of a steel bridge support by adopting an iterative method; 4) performing sensitivity analysis on the large-span steel bridge based on actual measurement data of displacement at the large-span steel bridge support and strain in a key position, and determining a design variable with a relatively high coefficient of correlation with the actual measurement data; and 5) performing optimization analysis on the finite element model of the large-span steel bridge by reducing a difference value of a finite element calculation result and the actual measurement data. Compared with a generally adopted finite element model correction method based on dynamic response results of test modal data and the like, the method has the advantages of simplicity, accuracy, relatively low expense and high security.

The invention discloses a 18650 battery peeling and encasing machine, which comprises a rack, wherein the rack is sequentially provided with a feeding mechanism, a peeling mechanism, a stripping detection mechanism, a discharging mechanism and an encasing mechanism from left to right; the peeling mechanism comprises a reclaiming and transferring component; a barcode scanner for scanning batteriesis arranged in the feeding mechanism; a film cutting component and a stripping component are arranged in front of the reclaiming and transferring component; a whole box of batteries are put into the feeding mechanism and then transported through the feeding mechanism and are subjected to code scanning; the reclaiming and transferring component reclaims materials and transfers the materials to thefilm cutting component; the film cutting component carries out film cutting on the batteries; the reclaiming and transferring component transfers the batteries to the stripping component to strip thebatteries; the reclaiming and transferring component transfers the batteries to the stripping detection mechanism to detect the peeling conditions of the batteries; good products flow into the discharging mechanism and enter the encasing mechanism after passing through the discharging mechanism; defective products flow into a defective product storage tank; and the steps are circulated. The 18650battery peeling and encasing machine is capable of completely peeling the batteries, is good in peeling effect, high in accuracy and good in reliability and does not harm the batteries.

The invention discloses a method for culturing human airway epithelial cells. The method comprises the following steps of: (1) acquiring human airway epithelial cells which are subjected to primary culture; and (2) acquiring human airway epithelial cells which are subjected to subculture, namely cleaning by using a phosphoric acid buffer solution when the fusion density of primary cells reaches 70 to 90 percent, adding a 0.25 percent trypsin solution, digesting at room temperature for 5 to 10 minutes, collecting cell suspension when cells are retracted and suspended, adding an equal amount of solution containing a protease inhibitor, performing centrifugal collection on the cells, inoculating in a novel culture dish containing a complete medium at the concentration of between 1 and 6*10<6> cells/ml, culturing, and thus obtaining the human airway epithelial cells which are subjected to subculture when the cells grow to a logarithmic growth phase after 3 to 5 days. The method for culturing the human airway epithelial cells has a stable technology and is high in repeatability; and the cultured cells have high purity and uniform morphology, grow well and can be subjected to continuous passage.

The invention relates to an automatic sludge cleaning device for sewage inspection wells of municipal drainage pipeline systems, which comprises a bottom plate, a moving device is arranged at the lower end of the bottom plate, a lifting and fixing device is arranged at the upper end of the bottom plate, a cleaning device is installed at the lower end of the lifting and fixing device, and a moving device , The lifting and fixing device and the cleaning device are used in conjunction with each other to complete the automatic cleaning process of the sewage inspection well. The present invention can solve the existing problems in the cleaning process of the existing sewage inspection well, such as the need to manually carry out the downhole cleaning operation, the need to manually transport lifting tools with the aid of trolleys and other tools, the need to manually use lifting tools to clean the inner wall of the sewage inspection well, and the stimulation in the sewage inspection well. Sexual gas is easy to damage the health of the staff. It is complicated to manually clean the inner wall of the sewage inspection well with the help of lifting tools. Manual cleaning of the sewage inspection well is labor-intensive, poor stability and low work efficiency. The function of automatic cleaning of the sewage inspection well has been realized.

Disclosed are a post-etching ashing method and a forming method of a magnetic sensor. The post-etching ashing method comprises providing a substrate, wherein the surface of the substrate is provided with a tantalum oxide layer which is formed through etching, and the surface of the tantalum oxide layer is provided with a photoresist layer which serves as the mask for etching the tantalum oxide layer; after finishing the etching process, performing an ashing process on the photoresist layer on the surface of the tantalum oxide layer, wherein the ashing gas of the ashing process comprises oxygen and etching gas containing fluorine, the temperature range of the ashing process is smaller than or equal to 150 DEG C, and the radio frequency range of the ashing process is smaller than or equal to 500 watts. Due to the fact that the ashing gas contains the oxygen and the etching gas containing the fluorine, the photoresist layer on the surface of the tantalum oxide layer can be fully removed, and damage of the ashing process to the tantalum oxide layer and the substrate can be reduced.

The invention discloses numerical-control machining equipment for machining shaft bushings. The numerical-control machining equipment is characterized by comprising a rack, a spindle box, an X-axis feeding mechanism, a Y-axis feeding mechanism, a bushing feeding mechanism, a bushing clamp and a drilling machine; the bushing clamp is arranged on the spindle of the spindle box and is used for clamping the bushings to be machined; the X-axis feeding mechanism comprises a first servo motor, an X-axis guide rail, an X-axis sliding seat and an X-axis threaded rod; the Y-axis feeding mechanism comprises a second servo motor, a Y-axis guide rail, a Y-axis sliding seat and a Y-axis threaded rod; the bushing feeding mechanism comprises a feeding base, a Y-axis guiding rod, a guiding-rod support, a feeding sliding seat, a Y-axis driving cylinder, a feed slot and an X-axis pushing cylinder; the drilling machine is located above the bushing clamp; a turning tool rest and a tap holder are arranged on the Y-axis sliding seat. By the arrangement, a series of automatic machining of stepped outer wall surfaces, inner threaded holes, radial holes and the like on the bushings can be achieved, workingefficiency can be increased by times, high machining precision is achieved, and production cost is greatly reduced.

The invention discloses a method for shaping a scaling ladder type plastic-dipped metal rack tree. The method mainly comprises the following steps of: (1) designing special parameters of a tree shape, destructing a certain quantity of single plants according to corresponding parameters, and manufacturing a tree cultivation shape technical pattern of the corresponding single plants; (2) manufacturing and mounting a scaling ladder type plastic-dipped metal rack and a supporting frame, so as to manufacture a tree cultivation template; (3) planting shaped nursery stocks in a nursery cultivation field below the scaling ladder type plastic-dipped metal rack; (4) when a tree grows to an oriented tree cultivation height, binding tree twigs on the tree cultivation template in an oriented manner; and (5) carrying out shaped nursery stock management, mainly including bud fixing, bud picking, binding and unbundling, and thickening cultivation. The method provided by the invention has the advantages of simpleness in operation, good shaping effect and long shaping retention period; the ornamental value is improved, and the watch time is prolonged; the scaling ladder type plastic-dipped metal rack and the supporting frame are durable, and can be continuously shaped for many years, so that the requirement of a shaping length can be met; the polarized shaping can be realized; the trees are prevented from being damaged; and the standard scale production can be realized by accurately shaping according to the pattern.

The present invention provides a mold for injection compression molding capable of maintaining the position of the injection compression molded product in a molding space (30) after molding the injection compression molded product. According to the present invention, a compression block (12) and an outer peripheral plate (11) are provided in the second mold (2), wherein the compression block reduces the volume of the molding space (30) to compress the filled molding resin (31 ), the peripheral plate is located around the compression block (12). Its structure can change the relative positional relationship between the compression block (12) and the outer peripheral plate (11), without causing the outer peripheral plate (11) and the ejector pin used to eject the injection compression molded product from the second mold (2) The relative positional relationship of (24) changes.

The invention discloses an automatic sorting device for sea cucumber seedlings. The automatic sorting device for the sea cucumber seedlings comprises a machine frame, wherein a motor is fixedly arranged at the upper end of the machine frame; the motor can drive a cam to rotate; the cam can drive a sorting sieve to vibrate; the sorting sieve is connected into the machine frame through a plurality of preloaded springs which are distributed uniformly; a feeding port is formed in the upper end of a shell body of the sorting sieve; a first-stage sieve mesh is arranged below the feeding port in a tilted way; a first-stage outlet is formed in the lowest end of the first-stage sieve mesh; a second-stage sieve mesh which is arranged in the tilted way is arranged below the first-stage sieve mesh; a second-stage outlet is formed in the lowest end of the second-stage sieve mesh; a third-stage outlet is formed in the shell body of the sorting sieve below the second-stage sieve mesh; the tilting directions of the first-stage sieve mesh and the second-stage sieve mesh are opposite; a material guide plate which is in the same direction as the tilting direction of the first-stage sieve mesh is also arranged between the first-stage sieve mesh and the second-stage sieve mesh; the material guide plate can convey materials falling from the first-stage sieve mesh to the higher end of the second-stage sieve mesh; the mesh aperture of the first-stage sieve mesh is greater than that of the second-stage sieve mesh.

The invention belongs to the field of perovskite solar cells, in particular to a semitransparent perovskite solar cell and a preparation method thereof. The preparation method comprises the followingsteps: a transparent conductive layer (P1) on a tangent line is peeled off by an ultrafast laser; Functional layers are deposited on the clean transparent conductive layer in turn, and the functionallayers on the tangent line are peeled off by ultrafast laser without damaging the transparent conductive layer (P2). The metal electrodes are deposited on the clean functional layer, and the metal electrode layer and the functional layer on the tangent line are peeled off by the ultrafast laser, and the positions of the transparent conductive layers (P3), P1, P2 and P3 are staggered mutually without damage; After the tangent is completed, the semi-transparent perovskite solar cell is prepared. The semi-transparent perovskite solar cell is proces by the laser, the active part of the cell is peel off by the laser, the active area of the module is reduced, and the transmittance of the module in the visible light range is remarkably increased.