449results about How to "Improve repairability" patented technology

A grill shutter unit comprises a shutter unit provided in back of a traveling-air introductory port formed at a front end of a vehicle body and including shutter members, and a traveling-air guide member including a guide frame portion provided at an outer peripheral edge portion of the shutter unit and a seal portion provided to extend forward continuously from a front end of the guide frame portion and be made from soft synthetic resin having more flexibility than the frame portion, wherein the grill shutter unit is configured such that when the shutter members are closed, a seal portion of the traveling-air guide member is pressed against an outer peripheral wall face of the traveling-air introductory port by pressure of traveling air shut off by the shutter members closed.

A low thermal expansion circuit board 1 on which a semiconductor element can be mounted with ease and high reliability, which comprises an insulating layer 3 having an Ni--Fe-based alloy foil or a titanium foil as a core, a wiring conductor 4 on both sides thereof, and an adhesive resin layer 5 on the side on which a semiconductor element is to be mounted.

The invention discloses a column-through assembled prestressed concrete frame system and a construction method thereof. The system comprises a foundation, a prefabricated reinforced concrete column, a prefabricated reinforced concrete beam, a superimposed floor slab and an external hung prefabricated wallboard, wherein a column prestressed duct is formed in the prefabricated reinforced concrete column; a beam prestressed duct is formed in the prefabricated reinforced concrete beam; post-tensioned unbonded prestressed tendons are penetrated into the beam prestressed duct and the column prestressed duct; energy-dissipation steel bars are anchored between the prefabricated reinforced concrete column and the superimposed floor slab. The structure provided by the invention has a good seismic performance; the lower part of a beam-column joint is subjected to unreinforced connection so that the structure is simple; the post-tensioned unbonded prestressed tendons and a replaceable column base energy dissipater are used so that the structure is less damaged and easy to be repaired in the earthquake; a construction manner of using the prefabricated superimposed floor slab and prestressed assembly makes site construction convenient and rapid and saves a lot of supports compared with a traditional prefabricated assembly structure; the column-through assembled prestressed concrete frame system provided by the invention is used in combination with lateral supports, shear walls and other lateral force resisting members, and is applicable to most high-rise public buildings.

An enclosure for electronic circuitry is provided which has a first housing member having at least one protrusion formed in a wall and a second housing member having at least one slot for receiving the at least one protrusion and securing the second housing member to the first housing member. The second housing member and the first housing member have one or more continuous electrical ground contact surfaces. The second housing member is secured to the first housing member so that there is an interference fit between the at least one protrusion and at least one slot and so that there are one or more continuous electrical ground contact surfaces between the first housing member and the second housing member. A method of assembling an enclosure for electronic circuitry is provided.

The invention discloses a 3D additive repair device for laser-arc hybrid welding and a repair method. The 3D additive repair device comprises a controller, a four-axis linkage platform, a laser vision sensor, an infrared vision sensor, a fixture, a laser welding torch, an arc welding torch, a filling welding wire, a wire reel and a gas guide pipe. The method includes the steps that a defective workpiece is mounted on a repair workbench; the laser vision sensor is driven to scan the three-dimensional profile of a defect; the three-dimensional profile of the defect is rebuilt through the controller; welding parameters are confirmed; the controller drives the near-infrared vision sensor to scan a molten pool, the time-frequency parameter of an image of the molten pool is obtained, a compensation control code is generated according to the time-frequency parameter of the image of the molten pool, and the set welding parameters are corrected in real time; and after repair is completed, the laser vision sensor is driven again to scan the three-dimensional profile of the defect, whether the repaired workpiece meets the standard or not is confirmed, and if not, the defect is repaired again till the repaired defect meets the standard. The 3D additive repair device for laser-arc hybrid welding and the repair method have the beneficial effects that the structure is simple, operation is convenient, and reliability and adaptability are high.

An improved method of heat treating superalloys prior to welding includes subjecting only the portion of the component to be repaired to a localized heat treatment, leaving the remainder of the component untreated. The localized heat treatment permits the use of higher hold temperatures that are near, at, or above the Ni3(Al,Ti) solution temperature of the alloy. Such heat treatment prevents strain age cracking and also prevents recrystallization in areas that are not heat treated. Such localized heat treatment can be applied before and / or after welding, for material rejuvenation, pre-brazing, and post-brazing.

The invention discloses a method for making a multi-layer organic liquid crystal polymer (LCP) substrate structure. The method comprises the following steps: providing a first LCP core substrate and a second LCP core substrate; connecting an active device to the first LCP core substrate in an inverted manner; arranging a passive device on the second LCP core substrate by means of surface mounting, sequentially overlapping and stacking the second LCP core substrate mounted with the passive device, an LCP dielectric layer and the first LCP core substrate connected with the active device in an inverted manner, and thermoforming to obtain the multi-layer LCP substrate structure embedded with both the active device and the passive device. The multi-layer LCP substrate structure can be used for making a microwave / millimeter wave system level module and has the characteristic of achieving a system with high density, small size, high performance, high frequency, low value and low consumption.

There is provided a low viscosity liquid epoxy resin composition which has excellent repairability because of the capability to remove residues at around room temperature even in the case of an electronic part device having a deficiency in the electric connection after once carrying out underfill, and what is more, wherein an electric parts device having a connected mounted structure shows high reliability. The liquid epoxy resin composition is used for resin-filling the gap between a circuit substrate and a semiconductor part on an electronic part device, wherein said electronic part device comprises a circuit substrate having an electrode part for connection and a semiconductor part having an electrode part for connection and being mounted on the circuit substrate in such a way that the electrode part of the circuit substrate and the electrode part of the semiconductor part are facing each other. In addition, the liquid epoxy resin composition comprises the following components (A) to (C) together with the following component (D). (A) A liquid epoxy resin. (B) An aromatic diamine curing agent. (C) An inorganic filler. (D) An organic additive.

A liquid crystal display with defect reparability including two vertical common lines and a plurality of horizontal common lines in a pixel, wherein the vertical common lines are parallel to a data line, and each horizontal common line is intersected to connect with each vertical common line. Each horizontal common line is extended to pass through but not touch the data line and connect with a horizontal common line in a neighboring pixel, and the horizontal common lines have overlaps with the data line in a different plane.

The invention provides a remediation agent for heavy metal contaminated soil as well as a preparation method and a using method of the remediation agent. The remediation agent is prepared from the following components in parts by weight: 20-80 parts of a mineral material, 10-70 parts of a biomass material, 5-40 parts of a redox agent, 5-50 parts of an adsorbent and 0-30 parts of a pH regulator. The preparation method comprises the following steps: mixing the five components according to a formula ratio, grinding, and screening to obtain the remediation agent for the heavy metal contaminated soil. The using method comprises the following steps: mixing the remediation agent for heavy metal contaminated soil with compound contaminated soil, adjusting the water content of the compound contaminated soil, and carrying out soil conservation and remediation. The remediation agent for the heavy metal contaminated soil can reduce the migration and bioavailability of the soil by reducing the heavy metal leaching concentration of the soil, thereby realizing the stabilization of the soil for the various heavy metals; the remediation agent for the heavy metal contaminated soil has the advantagesof being low in cost, short in repair period, good in repair effect, wide in application range and free from secondary pollution, and the like.

The invention discloses a preparation method of an anticoagulant material with function of inducing and catalyzing release of endogenous NO. The method comprises the steps of: configuring an alkaline Tris-buffer buffer solution, and adding a compound with certain concentration and pyrogallol structure and a compound with disulfide bond or diselenium bond and containing amino or thiol at two ends; and placing the substrate materials in a reaction solution, controlling the reaction temperature, reacting for 1-24 h, removing the substrate, and cleaning and drying to obtain the objective material. The invention has the advantages of simple operation, mild reaction conditions and easy operation. The component unit of the compound with disulfide bond or diselenium bond and containing amino or thiol at two ends has controllable content; the modified coating prepared by the method has excellent adhesion, and catalyzes the blood NO donors to continuously release NO molecules through in situ catalysis, inhibits activation and aggregation of platelets, inhibits proliferation of smooth muscle cells, and protects vascular endothelium.

The invention relates to a novel reinforced-concrete combined pier column. The combined pier column comprises a fibre-reinforced composite material pipe, wherein a plurality of common reinforcing steel bars and a plurality of fibre bars are arranged in the fibre-reinforced composite material pipe in a distributing way along the length direction of the fibre-reinforced composite material pipe, these common reinforcing steel bars and these fibre bars are all coiled at the middle part in the fibre-reinforced composite material pipe by a plurality of hooping bars, and concrete is poured in the fibre-reinforced composite material pipe. The invention also relates to a corresponding construction method of the novel reinforced-concrete combined pier column. According to the novel reinforced-concrete combined pier column and the construction method of the novel reinforced-concrete combined pier column, the bearing capacity of a pier column structure can be enhanced; moreover, the shock resisting performance of a pier column and the recoverable performance after shock can be effectively enhanced; furthermore, the self weight of the structure is decreased; and the novel reinforced-concrete combined pier column has the characteristic of corrosion resistance under severe environments, such as ocean, humidity, saline-alkali soil and the like.

The invention relates to self-repairing paint and a preparation method thereof, and belongs to the technical field of metal protection. The preparation method comprises the following steps: adding self-made mesoporous silicon dioxide nanoparticles into a benzotriazole ethanol solution, and stirring to obtain mesoporous silicon dioxide nanoparticles loading a corrosion inhibitor; adding the mesoporous silicon dioxide nanoparticles loading the corrosion inhibitor into a zirconium n-propoxide alcohol solution and stirring; adding a nitric acid solution and stirring; filtering to obtain filter residues; adding the filter residues into a chitosan solution; after carrying out ultrasonic dispersion, centrifugally separating to obtain sediment; adding the sediment into a sodium alginate solution; after carrying out the ultrasonic dispersion, centrifugally separating to obtain a layer-by-layer packaged corrosion inhibitor; finally, uniformly stirring epoxy resin, a diluting agent, a curing agent, the layer-by-layer packaged corrosion inhibitor and a dispersant, and carrying out the ultrasonic dispersion to obtain the self-repairing paint. The self-repairing paint has the advantages of simplicity in preparation, large load capacity and corrosion inhibitor release-response function, and has a good repairing capability on coating corrosion damages caused by the natural environment.

The invention relates to an ecological repairing method of sandy coast coastal protection forest, in particular to a repairing method of ecotome sandy coast coastal protection forest afforestation. Specially, embankment afforestation is carried out by clay loam near the costal road of a protection forest ecotome sandy coast or sand tidal flat facing the sea so as to improve the physical and chemical properties of sandy soil, inhibit salt, retain water, preserve fertilizer and perform the action of protection. The invention uses a clay loam embankment method to raise jejune, fertilize-leaking and water-leaking sandy soil on the sandy coast line as well as sandy coast at two wings of ocean roads into embankment-type forest land; the clay loam physical property and moisture content condition of an embankment wood pad layer can satisfy the fertility requirements of water, fertilizer, gas and heat for plant growth; and compared with other soil textures, the forest land has higher field water-holding capacity as well as moisture and fertilizer retention capability, and effectively holds the physiological activity of various organic matters and active enzymes in soil so as to ensure qualified afforestation survival rate and conservation rate.

The invention discloses a fingerprint image computer automatic mending method based on direction fields. The method includes inputting fingerprint images to be mended, and dividing polluted areas; then mending the images; and reversing image processing information based on results processed by modules. According to the method, gray information can be transmitted into areas to be mended along local fixing direction of representation ridge line direction, credible mending fingerprint images are provided, and fake characteristics are effectively reduced. The method serves as a pre-processing method in fingerprint identification systems, so that identification accuracy of fingerprint identification systems is facilitated to be improved. Mending and recovering of fingerprint images are good for case detections and judicial identification, particularly in cases when the quality of fingerprints collected on site in criminal investigation and judicial systems is not good.

The invention provides a beam through type corrugated steel plate energy consumption shear wall structure which comprises a first corrugated steel plate shear wall piece, a second corrugated steel plate shear wall piece, an upper edge steel column, a lower edge steel column, a corrugated steel plate energy consumption section and short steel columns on the left side and the right side of the corrugated steel plate energy consumption section. The corrugated steel plate energy consumption section and the short steel columns are located in the middle of a floor. The upper end and the lower end of the corrugated steel plate energy consumption section are connected with the first corrugated steel plate shear wall piece and the second corrugated steel plate shear wall piece respectively. The first corrugated steel plate shear wall piece and the second corrugated steel plate shear wall piece are connected with a floor beam through bolts respectively. The lower end of the upper edge steel column is connected with the upper ends of the short steel columns through bolts, and the upper end of the lower edge steel column is connected with the lower ends of the short steel columns through bolts. The upper end of the upper edge steel column and the lower end of the lower edge steel column are connected with the floor beam through bolts respectively. The first corrugated steel plate shear wall piece and the second corrugated steel plate shear wall piece are connected with the upper edge steel column and the lower edge steel column respectively. The corrugated steel plate shear wall pieces are adopted as a body of the shear wall structure, and therefore a building is small in dead weight, the material consumption is low, and the shear capacity of a wall body is improved.

In an automobile front portion structure, a dilatant impact absorbing body that is formed from a material having dilatant characteristics is accommodated at an inner side of a crash box and is fixed to a front end surface of a front side member. A length dimension in a vehicle longitudinal direction of this dilatant impact absorbing body is set such that, when an axial compressive deformation amount of the crash box becomes greater than or equal to a set value that is smaller than a maximum value of the axial compressive deformation amount, the dilatant impact absorbing body receives compressive load between the front side member and a front bumper reinforcement.

The invention discloses a non-gas metal arc welding 3 D adding material repair device and repair method. The repair device comprises a controller, a four-axis linkage platform, a laser vision sensor, an infrared vision sensor, a clamp, a non-metal arc welding torch, a wire feeding unit and a welding wire disc. The repair method comprises the steps that a defective workpiece is installed on a repair workbench; the laser vision sensor is driven to scan a defective three-dimensional outline; the controller rebuilds the defective three-dimensional outline; specific welding parameters are determined; the controller drives the infrared vision sensor to scan a molten pool, time-frequency parameters of a molten pool image are obtained, a compensation control code is generated according to the time-frequency parameters of the molten pool image, and the set welding parameters are corrected in real time; and after repair, the laser vision sensor is driven again to scan the defective three-dimensional outline, whether the repaired workpiece reaches the standard is determined, and if not, defects are repaired again till defect repair reaches the standard. The repair device is simple in structure, convenient to operate and high in reliability and adaptability.

The invention relates to a skull repairing anti-adhesion charged composite membrane and a preparation method thereof. The skull repairing anti-adhesion charged composite membrane and the preparation method thereof solves the technical problem that existing materials require further improvement in aspects of mechanical performance and electrical performance. The skull repairing anti-adhesion charged composite membrane is composed of high-molecular polymer and piezoelectric ceramic particles, wherein the high-molecular polymer is one or a compound of ferroelectric high-molecular polyvinylidene fluoride or polyvinylidene fluoride-trifluoroethylene. The invention also provides the preparation method of the skull repairing anti-adhesion charged composite membrane. The skull repairing anti-adhesion charged composite membrane and the preparation method thereof can be widely applied to the field of neurosurgical repair materials.

The invention discloses an electronic component package and a manufacturing method thereof, wherein, the electronic component package comprises a thermoelectric refrigeration unit and an active component, which are positioned in the package and are coupled together. The thermoelectric refrigeration unit comprises at least one N-type refrigeration element and at least one P-type refrigeration element which are connected in series. Correspondingly, the invention also provides the manufacturing method for two electronic component package structures. A single thermoelectric refrigeration unit or a plurality of the thermoelectric refrigeration units are embedded in a multilayered packaging baseplate in series, so that effective heat dissipation is provided to active component embedding technology. The electronic component package and the manufacturing method thereof can solve the problem of dimensional system packaging and especially the problem that the heat quantity cannot be brought out in the active component embedding packaging technology, and the heat dissipation performance can be improved.

The invention discloses a grid scanning drive circuit comprising multiple grid drive units. Each grid drive unit comprises a pull-up control module, a pull-up module, a pull-down emptying module and a main maintenance module. The main maintenance module comprises a maintenance control node generation module and a node maintenance module which is connected with the maintenance control node generation module. The maintenance control node generation module comprises a first child maintenance control node generation module and a second child maintenance control node generation module which are symmetrical. The first child maintenance control node generation module inputs a first low frequency clock signal. The second child maintenance control node generation module inputs a second low frequency clock signal opposite to the first low frequency clock signal. The first child maintenance control node generation module and the second child maintenance control node generation module alternately work under the control of the first low frequency clock signal and the second low frequency clock signal. The adverse impact on the thin-film transistor caused by long-term operation of the maintenance module can be effectively avoided.

The invention discloses a cable insulation material with a self-repairing function. The cable insulation material is composed of the following components in parts by weight: 100 parts of low density polyethylene, 2-4 parts of vinyl trimethoxy silane, 0.08-0.2 part of tert-butyl peroxy-3,5,5-trimethylhexanoate, 0.4-1.2 parts of 1801 organic stearic acid, 1.5-4 parts of dibutyltin dilaurate, 1.5-4.5 parts of zinc oxide, 1.8-3.2 parts of 1010 antioxidants, 1-5 parts of microcapsules prepared by a urea resin coated dicyclopentadiene system and 0.02-0.03 part of a Grubbs catalyst. According to the cable insulation material with the self-repairing function disclosed by the invention, due to the effects of the microcapsules prepared by the urea resin coated dicyclopentadiene system and the Grubbs catalyst in the formula, a self-repairing crosslinked polyethylene cable insulation material in the invention has excellent performance of repairing electric tree defects.

The invention discloses a metallurgical slag tank with a novel structure which is a tank-shaped container used for holding melting steel (iron) slag with a bottom diameter larger than a mouth diameter. The invention is characterized in that the metallurgical slag tank is welded by steel plates. According to the metallurgical slag tank of a novel structure, a welding technique is used to weld the steel plates into the tank, thus reducing the environment pollution to a large extent. As the crystal grains of the steel plates forming the wall of the metallurgical slag tank are uniform in thickness and almost does not have the defects of shrinkage cavity, shrinkage porosity, air hole, segregation, crack, non metallic inclusion, thermal fragment, cold cracking, and the like; and as the crystal grains of the steel plates forming the wall of the metallurgical slag tank are like common rolling steel, the solderability and the maintainability of the slag tank are good; the service life of the slag tank can be greatly prolonged; the safety troubles often appeared in a production field like the cracking of the slag tank can be eliminated; the cost is reduced to a large extent.

The invention relates to a novel prefabricated slab ballastless track structure for high-speed railways and urban rail transit. The novel prefabricated slab ballastless track structure comprises rails, fasteners, prefabricated track slabs, under-slab filling and adjusting layers, a base and limiting bosses, wherein the track slabs are of a middle hollowed-out frame structure (through holes), the bosses (5) are arranged on the base (4) corresponding to the middle through holes of the prefabricated track slabs, and the limiting bosses (5) are single or multiple. The novel prefabricated slab ballastless track structure has the advantages that the pulling stress to the adjusting layers can be reduced, the track slabs bear larger pulling stress and the high-strength large-rigidity functions of the track slabs can be fully performed; since the track slabs are provided with through holes, the manufacturing cost is reduced, the longitudinal temperature stress to the track slabs is also relieved and the warping of the corners of the unit slab track structure is greatly reduced; since the limiting bosses are located in the middles of the track slabs, the replacement of parts such as the track slabs and the repair and treatment such as elevation and deviation correction in case of non-uniform settlement of tracks are facilitated.

The invention discloses a gas metal arc welding 3D material increase repair device and a repair method. The device comprises a controller, a four-axis linkage platform, a laser vision sensor, an infrared vision sensor, a clamp and a melting electrode welding torch. The repair method comprises the following steps: mounting a defective workpiece on a repair working table; driving the laser vision sensor to scan a three-dimensional outline of a defect; reestablishing the three-dimensional outline of the defect by using the controller; determining specific welding parameters; driving the near infrared vision sensor to scan a molten pool by using the controller to obtain a time-frequency parameter of an image of the molten pool, generating a compensation control code according to the time-frequency parameter of the image of the molten pool, and correcting the set welding parameters in real time; and after repair is finished, driving the laser vision sensor again to scan the three-dimensional outline of the defect, judging whether the repaired workpiece reaches the standard or not, and if the repaired workpiece does not reach the standard, repairing the defect again until repair of the defect reaches the standard. The gas metal arc welding 3D material increase repair device is simple in structure, convenient to operate, high in reliability and high in adaptability.

The invention discloses a pile foundation defect detection and repair method for a cast-in-situ bored pile. The method comprises the key steps that when a heating element (5) is located at a certain depth, if the waveform peak value of only one thermal inductance optical fiber (4) declines, it is judged that a cavity is formed in a pile body (1) at the depth, and the cavity is located at the position, passing through the radius of the abnormal thermal inductance optical fiber (4), of the cross section of the pile body (1); when the heating element (5) is located at a certain depth, if the waveform peak values of two adjacent thermal inductance optical fibers (4) decline, it is judged that the cavity is formed in the pile body (1) at the depth, and the cavity is located on a sector face formed by two radii passing through the two abnormal thermal inductance optical fibers (4); when the heating element (5) is located at a certain depth, if the waveform peak values of all thermal inductance optical fibers (4) decline, then it is judged that pile breaking exists at the depth. By means of the method, no missing detection is caused, the longitudinal depth of a broken pile at each layer can be detected accurately, the longitudinal depth of each cavity and the transverse locations, located on the cross section of a pile foundation, of the cavities can be detected, and effective repair can further be conducted on each defect.

The invention discloses an intelligent service robot for a workshop.The intelligent service robot comprises a main component unit, an advancing unit, a monitoring unit, a control unit and a handheld unit.The main component unit is used for supporting and mounting of equipment.The advancing unit is used for achieving advancing and turning of the robot.The monitoring unit is used for monitoring the surroundings.The control unit is used for data storage, analysis and execution.The handheld unit is used for carrying out wireless communication with the control unit.According to the intelligent service robot for the workshop, swing arms are controlled by a steering engine to rotate, the size of the robot is reduced, and the robot can enter narrower space for detecting and shooting.The intelligent service robot for the workshop is high in intelligent degree, powerful in function and high in repairability, and can help workers to relive labor burdens in the workshop environment, detect the work environment condition, carry out intelligent detection in a dangerous environment, achieve safety protection and carry out intelligent workshop services.

According to an embodiment of the invention, a repaired component is disclosed. The repaired component comprises an engine run component having a base metal substrate, a portion of the base metal substrate between about 1-3 mils in thickness and an overlying bond coat having been removed to create a remaining base metal substrate of reduced thickness. The repaired component further comprises a lower growth environmental bond coating comprising an alloy having an aluminum content of about 10-60 atomic percent applied to the remaining base metal substrate so that upon subsequent repair of the component, less than about 1-3 mils in thickness of the remaining base metal substrate is removed because of less environmental coating growth into the substrate than the prior bond coat. Advantageously, the repaired component has extended component life and increased repairability.

Embodiments of the invention provide a network security protection method and device. According to the network security protection method and device, a first node controller receives the characteristic data of network attacks, wherein the characteristic data of the network attacks are sent by a first prevention system, wherein the first prevention system is any prevention system connected with the first node controller; a new detection and prevention rule is established according to the characteristic data; the new detection and prevention rule is sent to at least one second prevention system, so that the at least one second prevention system can detect and intercept the network attacks according to the detection and prevention rule, wherein the second prevention systems are prevention systems connected with the first node controller; and each prevention system can send the characteristic data of the detected attacks to the node controller, and the node controller generates the detection and prevention rule and sends the detection and prevention rule to the plurality of prevention systems managed by the node controller, so that the plurality of prevention systems can simultaneously detect and prevent the attacks, intrusion discovery and prevention capabilities can be improved, and the prevention pressure of a single prevention system can be effectively reduced.