119results about How to "Achieve padding" patented technology

The invention relates to a method for preparing a high-tenacity composite material with a heat conducting function. The method for preparing the high-tenacity composite material with the heat conducting function adopts the basic principle that a core-shell structure can enhance tenacity, heat conducting filler is designed into a core, and an elastomer is designed into a shell, so that high filling is realized while the tenacity enhancing effect of the elastomer is fully played. The method for preparing the high-tenacity composite material with the heat conducting function comprises the following concrete steps: firstly preparing master batch of a heat conducting composite material from the heat conducting filler, an elastomer compatilizer and a processing aid, and then carrying out melt blending on the master batch of the heat conducting composite material with engineering plastic in a certain ratio. The high-tenacity composite material with the heat conducting function, prepared by adopting the preparation method, has the functions of high tenacity, high heat conductivity coefficient, good processing fluidity and the like, can be applied to moulding processing such as extrusion and injection, has a good application prospect, is simple in production process, easy to operate and control, stable in quality and high in production efficiency and has broad industrialization and market prospects.

The present invention discloses a preparation method of vitrified composite wood material. Said preparation method includes the following steps: (1), preparing MTES-TEOS sol; (2), making the wood material to be treated undergo the process of negative pressure and positive pressure treatment in a treatment tank and impregnating the wood material to be treated with the sol prepared in step 1 in the process of negative pressure treatment; and (3), making the above-mentioned wood material undergo the process of ageing treatment in the room, then making gel treatment in the drying oven so as to obtain the invented vitrified composite wood material.

The invention discloses a method for manufacturing a vertically interconnecting carbon nanotube bundle with high interconnecting reliability and high performance. The method is compatible with a through silicon via (TSV) process and is mature and easy to implement. The method comprises the following steps of: forming a hole, and depositing a metal catalyst film at the bottom of the TSV only, so that the carbon nanotube bundle vertically grows at the bottom of the TSV from bottom to top so as to fill the TSV. Meanwhile, gas between carbon nanotubes is exhausted through densification operation so as to improve the density of the carbon nanotube bundle; and an interconnecting structure of the metal-coated carbon nanotube bundle is manufactured, and the interconnecting reliability and the performance of the carbon nanotube bundle can be effectively improved by taking the interconnecting structure as an interconnecting material. The invention has the advantages that: the method is compatible with the TSV process and is mature and easy to implement, and the interconnecting reliability and the performance can be greatly improved.

The invention discloses a digital shot blasting coverage rate measurement method based on a computer vision technology, and belongs to the technical field of digital image processing. The method comprises the steps of image acquisition, gray scale conversion, noise elimination, region segmentation, binarization processing, filling, pseudo connection elimination and statistics, and image processingfor surface dents after shot blasting of a plate. A computer program is adopted for shot blasting image processing, the consistency of multiple times of measurement is guaranteed, the measurement error is controlled within 5%, the measurement and calculation speed is high, the method does not depend on personal experience, the compatibility with other computer-aided manufacturing equipment is good, the portability is good, and possibility is brought to detection feedback link work in automatic shot blasting control circulation.

The invention discloses a construction method for disposing road cracks by using waterborne polyurethane. The method comprises the following steps: carrying out nondestructive testing on road cracks, drawing a crack distribution diagram, cutting and slotting cracks with the width of less than 3mm as required, drilling grouting holes at intervals along the trend of the cracks, installing grouting pipes, injecting water into the cracks; and then injecting a waterborne polyurethane grouting material, enabling the slurry to react with water in the cracks to generate gel to fill the cracks, sealing the grouting holes after grouting is completed, and finally performing rechecking to confirm that repairing is completed. The method has the advantages that visual detection of road cracks can be achieved, follow-up grouting repair is effectively guided, the characteristics that the waterborne polyurethane material is high in water reaction speed and short in gelation time are ingeniously utilized, roadbed and pavement cracks can be rapidly and comprehensively repaired, the material cannot generate a corrosion effect. And the road crack disease is effectively solved, and wide applicability is achieved.

The invention relates to a laser processing drilling method, in particular to a laser processing drilling method of a workpiece with a complex cavity and an auxiliary filling system. The laser processing drilling method of the workpiece with the complex cavity comprises the following steps of firstly, by adopting gas as a carrier of powder particles, after uniformly mixing the powder particles andthe gas, blowing a mixture into a workpiece cavity which is to be filled and has a complex cavity; controlling the workpiece cavity to be filled to vibrate in the blowing process, and ensuring the powder particles to be densely filled in an inner cavity of the workpiece to be filled; then performing laser processing drilling on the filled workpiece; adopting a high-pressure air flow to clean theinner cavity of the workpiece to be cleaned at multiple angles for a part which is processed in the step two; and in the cleaning process, controlling the workpiece to be cleaned to vibrate at the same time. By adopting the laser processing drilling method and the auxiliary filling system, the problem that a wall opposite to film holes is easily damaged when the film holes are processed by utilizing laser light is solved.

The invention relates to the technical field of solar paste, in particular to electrode paste for a buried-gate type crystalline silicon solar cell. The paste is prepared from, by weight, 80-92% of silver powder, 1-4% of glass powder, 0.1-5% of additives and 3-12% of an organic carrier. According to the electrode paste for the buried-gate type crystalline silicon solar cell, for the defect that existing paste cannot be applicable to grooved buried-gate electrodes, by adjusting components and proportioning of the paste, the viscosity and surface tension of the paste are effectively lowered, and filling of an electrode tank can be achieved in a screen printing mode.

The invention discloses a large three-way joint die forging device for power station equipment and a die forging method thereof. The key point of the technical scheme is as follows: the large three-way joint die forging device for power station equipment comprises a bottom plate, a lower die and an upper die wherein the lower die comprises a main cavity, a first branch cavity and a second branch cavity, the main cavity, the first branch cavity and the second branch cavity are semi-cylindrical, the upper die corresponds to the lower die in structure, and the lower die and the upper die are encircled to form a chamber for forming a large Y-shaped three-way joint; the bottom plate is connected to a trunk propelling device, a first branch blocking device and a second branch blocking device, and the first branch blocking device and the second branch blocking device are consistent in structure and correspond to the first branch cavity and the second branch cavity, separately. The large three-way joint die forging device improves the percent of pass of forged large Y-shaped three-way joints, shortens the production period while improving the reliability, lowers the operation cost of the equipment and improves the enterprise benefit and competitiveness.

The invention discloses a long plant fiber-reinforced polypropylene composite material. The long plant fiber-reinforced polypropylene composite material is prepared from the following raw materials inparts by weight: 25-65 parts of polypropylene, 30-70 parts of long plant fiber, 0.5-15 parts of epoxy plant oil, 0.1-5 parts of a lubricant and 0.1-2 parts of an antioxidant, wherein the average length of the long plant fiber is 100-1000mm. The invention further discloses a preparation method of the long plant fiber-reinforced polypropylene composite material. The preparation method comprises thefollowing steps: performing melt blending on the components through one piece of high-speed blending system equipment, tableting, cooling, crushing by using a crushing machine, and granulating to obtain the long plant fiber-reinforced polypropylene composite material with high strength, high modulus, low cost, good toughness and light weight. The long plant fiber-reinforced polypropylene composite material prepared by the preparation method provided by the invention can be used as an imitation wood material for replacing the conventional wood or plywood, and can be widely applied to many fields of furniture boards, transporting trays, building frameworks, outdoor floor boards, guardrail columns, leisure benches, gardening flowerpots and the like.

The invention relates to underground comprehensive mechanized coal mining work surface support equipment for a coal mine, in particular to a backstop gangue beam suspension swinging beam type gangue filing hydraulic support frame with a side protection plate for goaf filling. The hydraulic support frame comprises a front top beam, a back top beam, a front upright post, a back upright post, an upper connecting rod, a front connecting rod, a back connecting rod and a base, wherein the back top beam is hinged with one end of the front top beam, a backstop gangue beam with a side protection plate is also hinged on the back end of the base, a telescopic swinging beam is hinged on the backstop gangue beam with the side protection plate, the telescopic swinging beam is suspended in the air through a swinging beam jack, in addition, the angle is adjusted, and the side protection plate of the backstop gangue beam with the side protection plate can be opened to two sides or the single side through the lateral pushing of the jack or other external force during the support frame filling, so a sealed separation plate is formed between the support frames, and sundries such as gangue and the like are prevented from entering the front side of the support frames.

The invention provides a spraying device for continuously filling carbon fiber battery grids with active substances. According to the spraying device, a transferring net belt is driven through a transmission motor, through the negative pressure and spraying method, the carbon fiber grids are continuously filled with the active substances, and the spraying device is composed of a control system, atransmission system, a pneumatic system, a negative pressure system, a filtering system spraying gun and the like. The spraying device is formed by assembling all components and can continuously fillthe carbon fiber felt grids with the active substances. Through the spraying device, the carbon fiber felt grids can be continuously and uninterruptedly filled with the active substances, the fillingquantity can be adjusted according to the requirement, operation is easy and convenient, produced carbon fiber polar plates are compactly and evenly filled with the active substances, and the grids are completely filled with the active substances.

The invention discloses a rigid-flexible combined plate and a method for plugging a blind buried hole thereof. The rigid-flexible combined plate comprises a rigid sub-plate and a rigid-flexible sub-plate, wherein the rigid sub-plate is fixedly arranged on the rigid-flexible sub-plate; the blind buried hole is formed on the rigid sub-plate and/or the rigid-flexible sub-plate; at least one non-flowing type prepreg is arranged between the rigid sub-plate and the rigid-flexible sub-plate; the blind buried hole is filled with the flowing glue of the non-flowing type prepreg. The method for plugging the blind buried hole of the rigid-flexible combined plate comprises the following steps: supplying the rigid sub-plate and the rigid-flexible sub-plate; forming the blind buried hole on the rigid sub-plate and/or the rigid-flexible sub-plate; performing metallizing treatment on the blind buried hole; stacking at least one non-flowing type prepreg between the rigid sub-plate and the rigid-flexible sub-plate; pressing the rigid sub-plate and the rigid-flexible sub-plate and pressing the flowing glue of the non-flowing type prepreg into the blind buried hole. According to the rigid-flexible combined plate and the method for plugging the blind buried hole thereof, the processing is convenient, the smoothness of the plate is excellent, the special device is saved and the production cost is lowered.

The invention relates to the technical field of a wall body, in particular to a prefabricated assembled heat insulation wall body. Connecting seam outer sealing mechanisms are arranged in connecting positions of two adjacent wall body support main bodies; the connecting seam outer sealing mechanisms consisting of I-shaped tensioning elements and sealing expansion layers can well realize the sealing treatment on connecting positions of the wall body support main bodies; and the sealing performance is improved. A sealing cavity is sealed in an expansion solidification slurry injection mode, andthe sealing expansion layers are formed. Therefore, the filling onto each gap can be effectively realized; the sealing stability is improved; the stable and firm connection on wall body units can be realized; and the connection reliability of the wall body is ensured. The end part of an outer heat insulation protection assembly is of a step structure, the stable and firm connection on the externalheat insulation protection assembly can be effectively ensured; and the problem that the outer heat insulation protection assembly falls off due to inform bonding of the outer heat insulation protection assembly after the long-time use can be solved.

The invention relates to the technical field of printed circuit boards, and discloses a method for embedding a copper block of a double-sided circuit board, which comprises the following steps of: preparing a double-sided copper-clad plate; pasting high-temperature adhesive tapes on two sides of the double-sided copper-clad plate in a whole surface manner; milling a through hole in the double-sided copper-clad plate coated with the high-temperature adhesive tape; putting the copper block into the through hole; sequentially placing prepregs and first copper foils on the two outer sides of the double-sided copper-clad plate in which the copper blocks are placed from inside to outside, and carrying out high-temperature pressing; after pressing, tearing off the first copper foil, the prepreg and the high-temperature adhesive tape; and grinding off the residual PP glue on the surfaces of the double-sided copper-clad plate and the copper block. According to the method, for the double-sided circuit board, the gap between the double-sided copper-clad plate and the copper block is filled by utilizing the fluidity of prepregs during high-temperature lamination, so that the risk of medicine liquid hiding due to recession caused by insufficient glue filling is avoided; and through lamination and board grinding, the two sides of the copper block can be ensured to be flush with the two sidesof the double-sided copper-clad board, and subsequent circuit board processing is facilitated.

A hydrodynamic machine, in particular a hydrodynamic retarder, having a bladed primary wheel (20), which can be rotated via a rotational axle (10) of the hydrodynamic machine, and a bladed secondary wheel which is stationary or can be rotated via the rotational axle of the hydrodynamic machine, wherein the primary wheel and the secondary wheel together form a toroidal working chamber (21) which is filled or can be filled with working medium (30), and the primary wheel has at least one inlet channel (22) for the working medium. The inlet channel extends within the torus wall (23) and/or withina blade (24) of the primary wheel and opens in the region of the centre or radially outside the centre between the outer radius (RA-24) and the inner radius (RI-24) of the blades (24) of the primary wheel (20) at a location in the region of the torus wall in the working chamber.

The invention discloses a hollow special-shaped column high-rise fabricated steel structural system which comprises a special-shaped column and mounting grooves and further comprises a first connecting seat composed of a first mounting sleeve, a first receding groove and a first threaded sleeve, and a second connecting seat composed of a second mounting sleeve, a connecting sleeve, a second receding groove and a second threaded sleeve. According to the hollow special-shaped column high-rise fabricated steel structural system, the structure is ingenious, and the function is powerful; firstly, through the stable bridging structure effect, quick assembly is achieved, the overall stability of a steel structure is further greatly improved, and the construction speed is increased; secondly, through sunken design of the special-shaped column, concrete can be poured into the special-shaped column, and effective filling of subsequent concrete pouring is reinforced; and finally, the quakeproof effect and stability of a whole building are improved, and application and popularization in industries are facilitated.

The invention discloses a method for manufacturing wide and deep trenches by medium filling, which comprises the following steps of: sequentially growing a layer of bottom-layer oxide film, a silicon nitride film and a top-layer oxide film on a silicon wafer; coating a photoresist on the top-layer oxide film, and defining a plurality of trenches at an equal interval by photoetching; removing the exposed top-layer oxide film by etching, and then removing the photoresist; etching the silicon nitride film, the bottom-layer oxide film and the silicon wafer by utilizing a pattern of the top-layer oxide film as a mask to obtain the plurality of required trenches; oxidizing all the sidewalls of the plurality of trenches by thermal oxidation to form silicon oxide sidewalls; removing the top-layer oxide film and the silicon nitride film; depositing a required medium film by chemical vapor deposition, and filling the trenches; and removing the medium film on the surface of the silicon wafer by back-etching or chemical mechanical grinding, and removing the oxide film on the surface of the silicon wafer to obtain the wide and deep trenches filled with the medium film. In the method, the filling of the wide and deep trenches is realized by utilizing a proven process in combination with the innovation of the pattern.

The invention discloses an internal extrusion synchronous backfill type concrete vibrating rod, and belongs to the field of concrete vibrating rods. The internal extrusion synchronous backfill type concrete vibrating rod comprises a vibrating rod and a connecting pipe with one end connected to vibrating equipment wherein, a lead is connected between the other end of the connecting pipe and the vibrating rod, and a top tray is fixedly connected to the lower end of the connecting pipe. In the vibrating process, through rotating dislocation of a dislocation flow control barrel, concrete is controlled to enter and exit from the inner part of the dislocation flow control barrel, filling of the concrete in the dislocation flow control barrel is achieved, and in the process of taking out the vibrating rod, a special-shaped elastic squeezer automatically squeezes the concrete in the dislocation flow control barrel, so that the concrete synchronously flows out from the lower end of the dislocation flow control barrel in the process of taking out the vibrating rod and is stuffed into space formed by drawing out the vibrating rod, the situation of internal gaps of the concrete due to drawingout of the vibrating rod is effectively reduced, the compactness of the concrete is greatly improved, and a high-quality concrete molded body is obtained.