157results about How to "Avoid local damage" patented technology

The invention discloses a health monitoring system and method for a wind generator system structure. The system provided by the invention comprises a data storage analytical device and a data collecting device, wherein the data storage analytical device and the data collecting device are communicated through a wireless signal, the data storage analytical device comprises a mechanical model analytical module, a data receiving module, a structure safety judging module, a vascular grade judging module and a vascular execution module; the data collecting device comprises a sensor group and a data transmitting module, and the sensor group is connected with the data transmission module through a wire cable; and the system judges whether the structure is damaged or not through a certain detection means and a method, the locating and evaluation of the damage are carried out to avoid the damage, thereby realizing the damage detection of a wind power generation infrastructure and health monitoring of a discriminating structure. Meanwhile, the invention also aims to provide a health monitoring method for the wind generator system structure.

There is formed a gate electrode (word line) via a gate insulating film on a semiconductor substrate, the gate electrode extending in the direction inclining at an angle of approximately 45 degrees to the extending direction of an element region. The element region is divided into three portions by the two gate electrodes. In each element region portion, two MOS transistors are provided. A bit line is connected to a W plug provided in the central region portion and lower electrodes of two ferroelectric capacitors are connected to other W plugs provided in both end region portions. The extending direction of the bit line inclines approximately 45 degrees to the extending direction of the element region.

The invention discloses a sandwich-like hollow structure metallic oxide @ noble metal nanoparticles @ metallic oxide catalyst as well as a preparation method and the use of the sandwich-like hollow structure metallic oxide @ noble metal nanoparticle @ metallic oxide catalyst. The method combines a sol-gel method and a hydrothermal method, and comprises the steps of preparing a spherical SO2 template with uniform size by the sol-gel method; then, coating a metallic oxide shell layer on the surface of the spherical SO2 template, adsorbing noble metal nanoparticles to the surface of the shell layer by electrostatic action, and further coating another metallic oxide shell layer on the surface of the spherical SO2 template by the sol-gel method; finally, carrying out crystallization on the amorphous metallic oxide shell layers and removing the SO2 template by adopting the hydrothermal method to obtain the sandwich-like hollow structure catalyst. The existing 'high-temperature calcination and alkali etching' method is replaced by the hydrothermal method; the method has the characteristics of being simple in operation, high in yield and good in monodispersity; the prepared sandwich-like hollow structure material is excellent in activity and stability in a catalytic reaction.

The invention discloses a preparation method of a TEM (Transmission Electron Microscope) sample. A filling layer is deposited on a preset section in a preparation process of the TEM sample, so that when preparing the TEM sample of a semiconductor structure having a structure with high depth-to-width ratio or a pore structure, local damage of the TEM sample due to overhigh ion beam cutting speed of a non-filled pore edge region generated when a metal protection layer cannot completely fill the structure with high depth-to-width ratio or the pore structure is avoided, and the problem that the bad uniformity of the TEM sample affects the TEM analysis quality is overcome, thus the uniformity of the TEM sample is guaranteed, and further, the analysis quality of the TEM sample is improved, and the observing accuracy of the TEM sample is improved.

The invention provides a self-resetting friction pendulum three-dimensional seismic mitigation and isolation support. A concave blind hole is formed in the center of a lower support plate (4); a seismic reduction layer (7) and vertical seismic reduction springs (8) are arranged on the bottom of the concave blind hole; upper parts of the vertical seismic reduction springs (8) are connected to a spherical surface slide plate (3); a hinge slide block (2) is arranged on the top of the spherical surface slide plate (3); an upper spherical surface of the hinge slide block (2) is positioned in a slide block accommodation chamber (12) under an upper support plate (1); a counter-force plate (6) is arranged on the periphery of the upper part of the lower support plate (4); and horizontal seismic reduction springs (5) are positioned between the counter-force plate (6) and an outer peripheral wall of the slide block accommodation chamber (12). The self-resetting friction pendulum three-dimensionalseismic mitigation and isolation support is of a circular structure; the horizontal seismic reduction springs and the vertical seismic reduction layer can improve the durability and the seismic isolation performance of the friction pendulum seismic mitigation and isolation support; and the horizontal seismic reduction springs can fully play the energy-dissipating capacity of the counter-force plate, and can achieve three-dimensional seismic mitigation and isolation of the support under the action of extreme loads such as earthquakes and typhoon.

The invention belongs to the field of plant tissue cultivation, and particularly relates to a method of cutting propagation of a peony immature stem. The method includes the steps of material selection, cutting cultivation, indoor management, oversummer maintenance, overwinter management and strong seedling cultivation. By using low-frequency ultrasonic waves to conduct processing, rooting can be promoted, plant cell division can be remarkably accelerated and induced, the cell growth is stimulated, protein synthesis of protoplast can be accelerated, and the adventitious bud reproducibility can be improved. Due to the fact that intermittent irradiation is adopted, no drastic cavitation effect can be produced, and partial damage to cells caused by the ultrasonic waves can be avoided. Due to the fact that cultivation and rooting are conducted in the dark cultivation process, growth inhibitor is greatly reduced, and rooting is facilitated. The complete and specific method including the steps of oversummer maintenance, auxiliary bud inducing, overwinter management and strong seedling cultication is provided, and therefore application of the peony rapid cutting propagation technology in actual production is promoted, and the method has significance in large-scale production of peony seedlings.

The invention provides a method for constructing a DNA sequencing library of a genome under detection, comprising the steps: (1), subjecting the genome under detection to first digestion by using micrococcal nuclease to obtain a first digestion product; (2), subjecting the first digestion product to co-immunoprecipitation to obtain a co-immunoprecipitation product; (3), subjecting the co-immunoprecipitation product to second digestion by using protease K to obtain second digestion product; (4), subjecting the second digestion product directly to dephosphorylation by using shrimp alkaline phosphatase to obtain a dephosphorylation product; (5), subjecting the dephosphorylation product directly to denaturalization to obtain a denaturalization product with single-branched DNA molecules; and (6), acquiring the sequencing library by TELP (tailing, extension, ligation and PCR) method based on the denaturalization product with single-branched DNA molecules.

The invention discloses a shield tunnel segment structure and a connecting structure thereof. The shield tunnel segment structure comprises a segment body and is characterized in that the segment body is mainly composed of a steel plate layer, a concrete layer wrapping the steel plate layer, and steel mesh reinforcements which are located on the two sides of the steel plate layer correspondingly and embedded in the concrete layer; the lateral edges of the segment body are fixedly provided with metal connectors, the outer sides of the metal connectors are provided with grooves for containing water stops, and the water stops are installed inside the grooves; and an outer protecting layer is arranged on the outer side of the segment body, and the outer protecting layer is a polyurea layer combined on the outer side surface of the segment body. The connecting structure is composed of two adjacently arranged shield tunnel segment structures and a connecting part for connecting the two shield tunnel segment structures. A connecting steel plate is composed of a middle arc-shaped section and flat sections on two sides. The shield tunnel segment structure and the connecting structure thereof have the characteristics that thickness is small, strength is high and the connectors are not prone to damage; and the connector deformation control effect is good, the seam waterproof effect is good, durability is high, and repairing is convenient.

A mechanical microstructure including a deformable first layer overhanging a second layer and defining a cavity set back from an external face of the deformable first layer and having an abutment stud projecting into the cavity, in which a wire is connected to a portion of an internal face of the deformable first layer. The portion of the first layer is opposite a bottom area of the cavity into which the abutment stud projects, but the abutment stud remains at a distance from the deformable first layer. A method of producing the mechanical microstructure is also disclosed.

The invention provides an automatic U-shaped bending molding machine, belongs to the technical field of machinery and aims at solving the problem that the effect is not stable when an existing U-shaped bolt is belt and molded. The automatic U-shaped bending molding machine comprises a worktable, a molding module, two molding wheels and a molding driving piece, wherein a molding surface is arranged on one side of the molding module; the molding wheels are located on one side of the molding surface of the molding module; the bending molding machine further comprises a clamping block and a clamping driving piece; the clamping block is aligned to the molding surface and a clamping opening is formed between the clamping block and the molding surface; the clamping driving piece can drive the clamping block to move to the direction of the molding surface; the two molding wheels are arranged on the two sides of the clamping block respectively; a correction piece is arranged on each of the two sides of the clamping opening; the two correction pieces are arranged oppositely; a correction driving piece is fixedly arranged on the worktable; the correction driving piece can drive the two correction pieces to simultaneously and oppositely move. The automatic U-shaped bending molding machine has the advantages of stable bending molding effect and wide applicable range.

In a tubular metal shell successively are mounted detector, amplifier electrically-connected with said detector and signal processing unit, and between the laser incident hole of external shell and detector a ceramic hollow cavity is set, said ceramic hollow cavity is a closed hollow column body, and the axial direction of said column body is parallel to the direction of laser coming into the shell body. The invented laser energy meter can be used for measuring laser with high energy density.

The invention discloses a transverse cushioning, energy absorption, anti-seismic and anti-drop beam structure with conical butting balls and check blocks. The transverse cushioning, energy absorption,anti-seismic and anti-drop beam structure comprises check block bodies, the conical rubber butting balls, steel frame anti-collision plates and veneers. The trapezoidal check block bodies are arranged at two ends of the upper portion of a pier top cover beam; seismic reduction and isolation supports are arranged on the top surface of the pier top cover beam, and a beam is supported on the seismicreduction and isolation supports; the hollow conical rubber butting balls are anchored on the inner sides of the trapezoidal check block bodies at the two ends of the upper portion of the pier top cover beam and are anchored with the steel frame anti-collision plates, the ultrahigh-molecular-weight polyethylene veneers are arranged on the surfaces of the steel frame anti-collision plates, the steel frame anti-collision frames are constrained on the trapezoidal check block bodies by iron chains, and a certain distance is reserved between each of the conical rubber butting balls and the steel frame anti-collision plates and the beam. The transverse cushioning, energy absorption, anti-seismic and anti-drop beam structure has the advantages of simple structure, high practicality and compatibility, good coordinability, low cost, convenience in construction and the like. Besides, the beam can be effectively prevented from being locally destroyed, effects of anti-drop beams can be realized,the conical rubber butting balls are high in energy absorption and low in reaction force and are not in direct contact with the beam, and accordingly bodies are free of abrasion and long in service life.

An electrosurgical instrument for applying to biological tissue RF electromagnetic energy and / or microwave frequency EM energy, wherein the instrument tip has a protective hull with a smoothly contoured convex undersurface facing away from a planar body, and wherein the planar body has a tapering distal edge, and wherein an underside of the planar body extends beyond the protective hull at the tapering distal edge. Also disclosed herein is an interface joint for integrating into a single cable assembly all of (i) a fluid feed, (ii) a needle movement mechanism, and (iii) an energy feed (e.g. a coaxial cable), and a torque transfer device for permitting controlled rotation of the cable assembly within the instrument channel of an endoscope. The interface joint and torque transfer device may be integrated as a single component.

The invention discloses a string truss structure with a load-relieving effect and an implementation method. The string truss structure comprises an upper string truss, a plurality of stay bars, a guy cable, a spherical joint fixed support and a sliding hinge support, wherein the spherical joint fixed support comprises a lower part supporting structure, a pre-embedded base plate, a reverse T-shaped sliding plate, a plurality of pre-embedded reinforcing steel bars, a fixed spherical joint, a plurality of columnar rolling bearings, an anchoring device, a plurality of damping springs and a support. The string truss structure with the load-relieving effect and the implementation method provided by the invention have the advantages of high material utilization rate, good stress performance, safety and simplicity for constructions, superior safety performance and the like.

The invention relates to a novel support type anti-seismic damper, comprising an anti-buckling device, a core plate and insulation material, wherein the insulation material is arranged between the anti-buckling device and the core plate. The novel support type anti-seismic damper is characterized in that the anti-buckling device is formed by welding two square steel tubes or rectangle steel tubes by virtue of connecting pieces, wherein the core plate is arranged between the square (rectangle) steel tubes, the two ends of the core plate are vertically provided with stiffening plates, the two ends of the wall the square steel tubes facing the core plate are provided with notches the quantity of which is corresponding to the quantity of the stiffening plates, and the stiffening plates are inserted into the notches. Each stiffening plate can be provided with a limit steel plate which protrudes the square (rectangle) steel tubes, and the outer wall and the limit steel plate on the stiffening plate form a limiting device, thus the support type anti-seismic damper is prevented from failure when design deformation is exceeded. By adopting the support type anti-seismic damper provided by the invention, materials of the core plate and the anti-buckling device are saved, and processing difficulty and production cost are reduced.

A prefabricated wall element comprises a wood-cement plate-like body, a reinforcement embedded in the body and one or more plate-bracket units with a connecting plate rigidly connected to one or more anchoring brackets embedded in the plate-like body and engaged to the reinforcement, in which the plate-like body together with a rear surface of the connecting plate facing inwards the plate-like body define an assembling seat with an access opening lateral to the connecting plate.

The invention discloses a lens X, Y, theta Z three-freedom-degree micro-moving adjusting device, belongs to the field of lithography objective structure designs and aberration compensation, and aims at solving the problems that an optical element X, Y, theta Z three-freedom-degree micro-moving adjusting device in the prior art is large in processing technology difficulty and high in processing cost. The device comprises a lens, a lens frame and three drivers. The lens is connected with the lens frame in an adhesion mode. The three drivers are fixed on the lens frame. The device is characterized in that the lens frame is of an integrated structure composed of a lens frame inner ring, a lens frame outer ring and three folding hinges which are evenly distributed in the circumferential direction, three driver force applying blocks are evenly distributed in the circumferential direction on the lens frame inner ring, the lens is connected with the lens frame inner ring in an adhesion mode, the three drivers are fixed on the lens frame outer ring, action of input displacement of the drivers is applied on corresponding driver force applying blocks, each folding hinge is composed of a tangential elastic piece and a radial elastic piece, the tangential elastic pieces are connected with the lens frame inner ring, and the radial elastic pieces are connected with the lens frame outer ring.

The invention discloses a shock absorber for suspension systems of large excavators, which comprises a top cover plate (1), a support vulcanized body (2) and a protective plate vulcanized body (4); the support vulcanized body (2) is arranged on the protective plate vulcanized body (4), and the support vulcanized body (2) and the protective plate vulcanized body (4) are fixed together through a connecting part; the top cover plate (1) is mounted upon the support vulcanized body (2). The shock absorber adopts a conical shear type, most of rubber elastomers of the shock absorber are wrapped in a rigid shell, only a small part of the rubber elastomer II and the rubber elastomer III is exposed in the outside environment, consequently, the affection of solar radiation, oxygen aging, ozone aging and other factors on the elastomers of the shock absorber is little, the operating conditions of large excavators are met, the shock absorber plays the role of limiting sudden impact, and cannot be deformed severely to locally damage the structure in the rubber elastomers, and thereby the service life of the shock absorber is prolonged effectively.

The invention provides a large workpiece clamping device. The large workpiece clamping device comprises a circular clamp body. A mounting groove is formed in the inner ring of the clamp body so that multiple detachable clamping units can be mounted. Each clamping unit comprises a clamping execution device and a clamping drive device. Each clamping drive device is connected with the corresponding clamping execution device and used for driving the corresponding clamping execution device to move in the axial direction and / or the radial direction of a ring of the clamp body. The clamping execution devices are circumferentially distributed along the inner ring of the clamp body. Each clamping drive device comprises a drive device connecting portion fixedly connected with the clamp body. The invention further provides a large workpiece clamping system which comprises the large workpiece clamping device and a bearing platform. Supporting bases are arranged on the bearing platform in parallel. The supporting bases are provided with rolling bearing grooves matched with the outer edge of the clamp body. The large workpiece clamping device and the large workpiece clamping system have the beneficial effects that floating clamping is achieved; the center position of a workpiece does not need to be adjusted repeatedly when the workpiece is clamped; an extra auxiliary supporting structure is not needed; and the clamping efficiency is improved.

To provide an article support structure used when attaching an article to an adherend with a stretch- releas'able adhesive tape in which components and the like do not fly off when releasing the adhesive tape from the adherend, the double -sided adhesive tape does not tear, and damage to high- sensitivity adherends can be effectively suppressed. An article support structure comprises a base plate which can be removably attached to an article, and a double -sided adhesive tape intervening between the base plate and an adherend, and having a stretchable base material and an adhesive layer. The base plate has a project ion- shaped gripping member, and at least one pair of spacer members disposed on both sides thereof which can form a gap between the surface of the adherend and the bottom surface of the base plate, and is configured so that the position of the gripping member and the position of the spacer members at least partly overlap in the length direction of the double-sided adhesive tape.

The invention relates to a positioning and connecting device of a grid arch frame and feet-lock anchor rods and a construction method thereof. The positioning and connecting device is used for connecting the grid arch frame and the feet-lock anchor rods rapidly and reliably and comprises two positioning and connecting steel plates which welded to the side close to surrounding rock and the side far from the surrounding rock of the grid arch frame correspondingly. The tail ends of the feet-lock anchor rods penetrates through anchor rod holes formed in the positioning and connecting steel plate on the side close to the surrounding rock and the positioning and connecting steel plate on the side far from the surrounding rock in sequence and are fixed through fixing assemblies arranged on the positioning and connecting steel plate on the side far from the surrounding rock; and the drill ends of the feet-lock anchor rods are inserted into the surrounding rock to be fixed. The positioning and connecting steel plates are welded between two main steel bars of the grid arch frame. Compared with the prior art, the positioning and connecting device has the advantages of avoiding local damage and space conflicts, improving stability and bearing capacity, reliable connection, convenient and rapid operation and the like.

The extendable pull handle for luggage includes several hollow tubes, and the fixed components are placed at the base frame of the hollow tubes of the pull handle. At both sides of hollow tube facing externally, there are separately provided with an upper fixation hole and a lower fixation hole. The component set includes two sets of snapper and a big and small springs; the exterior of first snapper is fitted with the first protruding column, which is protruded and locked onto upper fixation hole of external hollow tube. And, an oblique guide plane is provided at the middle top of first snapper, and a concave surface, at which center and protruded inward is a limit column; the exterior of the second snapper is fitted with a second protruding column, which is protruded and locked onto upper fixation hole of external hollow tube.

The invention belongs to the field of construction engineering, and particularly relates to an externally hanging connecting system of a composite wall plate and a manufacturing method of the externally hanging connecting system. The externally hanging connecting system comprises a prefabricated beam and a floor erected above the prefabricated beam. The floor comprises a prefabricated layer and acast-in-situ layer. Floor embedded pieces are arranged in the cast-in-situ layer above the prefabricated beam and close to the composite wall plate. Prefabricated beam embedded pieces are arranged atthe position, close to the composite wall plate, of the prefabricated beam and located on the lower end face of the prefabricated beam. The externally hanging system comprises first connecting piecesand second connecting pieces. The first connecting pieces are connected with the prefabricated beam embedded pieces and the upper part of the composite wall plate. The second connecting pieces are connected with the floor embedded pieces and the lower part of the composite wall plate. The composite wall plate is arranged in an array mode in the hollow frame between the upper floor and the lower floor. The externally hanging connecting system has the advantages that through arrangement and connection of the floor embedded pieces, the prefabricated beam embedded pieces, the first connecting pieces and the second connecting pieces, a novel connection mode between the composite wall plate and a fabricated concrete structure is provided.

Disclosed are a cast-in-situ integral type steel frame filler wall system connected through springs and a construction method thereof. The system comprises a rectangular frame and a cast-in-situ filler wall body, wherein the rectangular frame is defined by a frame beam and frame columns in an enclosed mode, and the cast-in-situ filler wall body is cast in the rectangular frame. Elastic devices are connected between the left and right sides of the cast-in-situ filler wall body and the frame columns. The space between the upper side, left side and right side of the cast-in-situ filler wall body and the adjacent frame beam and frame columns is filled with anti-flaming flexible filler materials. By the adoption of a flexible connection mode, relative displacement and corners between the rectangular frame and the filler wall body are allowed, and a cast-in-situ integral type filler wall is obtained, is high in construction efficiency and good in integral performance, lowers labor intensity and has a good anti-seismic property as the first seismic fortification line. As for construction, a cast-in-place concrete construction mode is adopted, so that construction time and manpower input are saved, construction efficiency is improved, and construction cost is reduced. The cast-in-situ integral type steel frame filler wall system connected through the springs and the construction method thereof can be widely applied to steel frame filler wall construction.

In an earth electrode apparatus, a cradle having first, second, and third shanks to which first, second, and third earth electrodes can be attached respectively is coupled to a shaft supported by a base. The cradle is coupled thereto in a tiltable manner. If the surface of a workpiece is irregular or inclined, the cradle tilts for balancing with the workpiece to ensure equal contact pressure for the contact of the first, second, and third earth electrodes with the workpiece, thereby offering stable contact irrespective of surface irregularity or inclination. Since a welding current is split to flow into the first, second, and third earth electrodes through respective points of contact thereof with the workpiece, it is possible to reduce current density at each of the points of contact and to avoid heat generation ascribable to conductive resistance at each of the points of contact.