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59results about How to "Achieve design purpose" patented technology

Forming method of wall-flow type honeycomb ceramic carrier

The invention relates to a forming method of a wall flow type honeycomb ceramics carrier billet for collection of diesel engine tail gas particles. A mixture power of pure silicon carbide and methylcellulose is stirred evenly and is poured into a stirring mill and then is stirred to make the silicon carbide power and the methylcellulose mix ed evenly; a flour water solution of water and flour is stirred evenly and poured into the stirring mill with stirring and makes the pug stirred evenly enough; tung oil is added into the stirred pug, and is stirred for a plurality of minutes, when the pug can be felted together, the pug is put into a container and is sealed to guarantee that the water in the pug can not be vaporized, and is kept musty for one day; after milled and extruded to be formed, the pug is dried by a microwave oven, finally holes are filled, after the pug is parched, dried and fired, then the billet is obtained.
Owner:GUIZHOU HUANGDI DIESEL ENGINE CLEANER

Metal baseplate provided with LED and manufacturing method thereof

The invention relates to a metal baseplate provided with an LED and a manufacturing method thereof, relating to the technical field of circuit board base materials, and in particular being applied to the technical field of production of a large-power LED metal baseplate. The manufacturing method comprises the following steps: successively plating a diamond-like carbon (DLC) coating on a metal plate; sputtering a metal layer capable of being carbonized on the outer surface of the diamond-like carbon coating; sputtering a thin copper layer outside the metal layer capable of being carbonized; and electroplating a thickened copper layer outside the thin copper layer and then carrying out circuit carving outside the thickened copper layer. The formed aluminium baseplate has excellent insulativity, and the adhesive strength of the diamond-like carbon coating and the baseplate is up to 20kg / cm<2>. The aluminum baseplate has the heat conductivity larger than 10W / mk which is more than twice of that of the traditional insulating layer containing glue, is particularly suitable for the application of the large power LED and can effectively reduce the optical attenuation speed.
Owner:江苏鑫钻新材料科技有限公司

Liquid crystal panel, liquid crystal display and manufacture method of liquid crystal display

ActiveCN102591072AReduce widthReduce invalid display widthNon-linear opticsEngineeringLiquid crystal
The invention discloses a liquid crystal panel, a liquid crystal display and a manufacture method of the liquid crystal display. The liquid crystal panel comprises an array substrate, a color filter substrate, a liquid crystal layer, a first alignment layer and a second alignment layer, wherein a first conduction pad is arranged on the array substrate; a second conduction pad is arranged on the color filter substrate, and is electrically connected with the first conduction pad; and the first conduction pad and / or the second conduction pad are subjected to surface treatment to reduce surface tension before arranging the alignment layers. According to the invention, invalid display width at the periphery of the liquid crystal panel can be reduced so as to realize the purpose of narrow-frame design.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

SiC fiber variable angle reinforced Ti base composite pipe shaft and preparation method thereof

The invention discloses a SiC fiber variable angle reinforced Ti base composite pipe shaft and a preparation method thereof, and belongs to the technical field of preparation of composites. A variable angle SiCf / Ti base composite middle layer is arranged in a Ti alloy pipe wall of the pipe shaft, and comprises more than three SiC fiber layers; and included angles between the axial direction of SiC fibers in the SiC fiber layers and the axial direction of the pipe shaft are within -90 to 90 degrees. The fiber reinforced angle o the pipe shaft realizes the variable angle adjustment; and the variable angle reinforcement mode effectively reduces the pipe shaft anisotropy degree, improves the warping rigidity, the transverse rigidity and the impact resistance of the composite pipe shaft, and facilitates to widen the application range of the SiCf / Ti base composite pipe shaft.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Preparing method of aluminium alloy casting moulding sand

The invention discloses a preparing method of aluminium alloy casting moulding sand. New quartz roughing sand, used quartz roughing sand, zircon sand, electrolytic aluminium slag powder, hollow microspheres and a binder are adopted as components of the moulding sand, wherein the binder is novel in design and is prepared by blending starch, furan resin, calcium bentonite, bagasse cellulose powder, zinc stearate and sodium tripolyphosphate, and steps and parameters of the preparing method are optimized according to the components of the moulding sand. Therefore, the prepared moulding sand has characteristics of good refractoriness, high gas permeability, good collapsibility, and capability of reducing casting defects and making casting surfaces clean and smooth. By adoption of the moulding sand for casting aluminum alloy castings, the rate of defects comprising sand burning, air holes, cracks, cold shut, shrinkage cavity, looseness, and the like is lower than 3%, the yield of finished product of the castings is largely increased and the casting cost is reduced.
Owner:湖南精量重工科技有限公司

Massage bed with rehabilitation treatment and healthcare prevention functions

The invention relates to a massage bed with rehabilitation treatment and healthcare prevention functions. The massage bed comprises a bed body and a massage unit; the bed body is an integrated bed body or a combined bed body, and an inclined plane backrest frame with the angle being 65-85 degrees is arranged at the bed surface edges located at one end or two ends of the bed body, the massage unitand a physical therapy unit are arranged on the backrest frame, the massage unit comprises a movable massage device and an acupoint type massage device which are arranged on the backrest face of the backrest frame, the physical therapy unit comprises a moxibustion groove formed in the middle of the backrest face, and an electric heating physical therapy device, an oxygen production device and a music player which are located on the backrest frame, a sleep auxiliary lamp and the like; the massage unit and the physical therapy unit and a control panel arranged on the upper face of a handrail onthe outer side of the backrest frame are connected. Multiple items of massage physical therapy can be performed on one person or multiple persons, and the massage bed has the advantages of having multiple functions, being wide in application range, high in curative effect and capable of dealing with diseases, and the like.
Owner:熊金才

Automobile tire flat tire protection method and safe tire inflatable buffer three-flap inner support body

InactiveCN103434344AEasy to installNo damage to dynamic balanceTyre partsControl theoryMechanical engineering
An automobile tire flat tire protection method is provided. An inflatable buffer three-flap inner support body is arranged in the automobile tire wheel hub direction and outwards the internal surface of an outer tire, and the inflatable buffer three-flap inner support body adopts an inflatable inner tire to be inlaid outside a rigid inner ring, the exterior of the inflatable inner tire supports a three-flap rigid outer ring to construct the inflatable buffer three-flap inner support body, in addition, the inflatable inner tire is inflated during installation so as to play roles in supporting the outer ring and compressing movable supporting blocks of the inner ring, and finally the device is locked tightly. The safe tire inflatable buffer three-flap inner support body for implementing the method is characterized by consisting of the inflatable inner tire, the rigid outer ring and the rigid inner ring, the inflatable inner tire is inlaid in a groove outside the rigid inner ring, and the exterior of the inflatable inner tire supports the three-flap rigid outer ring. The inflatable inner tire has two main functions: one is that the inflatable inner tire realizes the function of fastening the device under the action of an air pressure during installation; and the other one is that the inflatable inner tire plays a buffer role to reduce or not produce damage to a hub when the device meets clash when not working. The inflatable inner tire can be used for resisting bullets if the inflatable inner tire is changed into solid rubber.
Owner:徐新琦

Vibrating device applicable to fruit picking

The invention provides a vibrating device applicable to fruit picking. The vibrating device is suitable for picking shelled nuts such as Chinese walnuts, Chinese chestnuts, gingkoes, Chinese torreya and the like and is bound on a truck of a fruit tree. The vibrating device is a vibrating motor, the vibration generated by the motor is transmitted to the fruit tree trucks and branches, ripe fruits fall due to the vibration, so that the design objective of picking fruits on forest trees is fulfilled. The vibrating motor is preferably a frequency conversion vibrating motor, so as to help people regulate vibration frequency of the motor on the basis of the amount of the fruits and the thickness of the truck to achieve a better vibration effect on the truck and vibrate more ripe fruits to fall. Compared with the existing fruit picking machine, the vibrating device transmits the vibration generated by the motor to the fruit tree trucks and branches, so that the ripe fruits are vibrated to fall; the tree branches are not necessarily hit when the fruits are picked, and people do not have to aim at the fruits either, so that the vibrating device is very convenient to use. In general, all fruits on the tree branches can be totally vibrated to fall by binding the vibrating motors on root parts of only three to five branches, therefore the picking efficiency is very high.
Owner:冯建兵

Turbulence artificial reef

The invention relates to a turbulence artificial reef comprising a three-dimensional frame and guide plates. The turbulence artificial reef is characterized in that a pound sign-shaped combination composed of four guide plates is disposed in each side of the three-dimensional frame, each guide plate tilts inwards, and an included angle is made by each guide plate and the center of the side where the guide plate is located. The turbulence artificial reef is simple in structure, better helps generate turbulent flow field around the reef, and helps form ascending streams, enable fishes to gather better and improve survival environment for bottom-proliferation economic varieties.
Owner:SHANDONG UNIV

Organic electroluminescent device and preparation method thereof

The present invention relates to the technical field of illumination, and discloses an organic electroluminescent device comprising a first electrode, an organic light-emitting layer and a second electrode stacked on a substrate. The second electrode includes a plurality of parallel electrode bodies arranged above the organic light-emitting layer, and a wire connection part provided on the substrate. The electrode bodies and the wire connection part are electrically connected through a short-circuit prevention component. The short-circuit prevention design structure is provided in the second electrode, and the impedance between the electrode bodies of the second electrode and the wire connection part of the second electrode is increased by the short-circuit prevention structure, so that the current passing through the second electrode is limited to protect the device function.
Owner:GUAN YEOLIGHT TECH CO LTD

Linear motion actuator for hidden handles of automobile

The invention discloses a linear motion actuator for hidden handles of an automobile. The actuator comprises the following parts of a housing provided with an electrical connection port and an outputport, and having a first chamber, a second chamber and a third chamber; a driving mechanism arranged in the first chamber; an output screw arranged in the third chamber and capable of extending out ofthe housing through the output port; and a transmission mechanism at least comprising an input worm, a duplicate gear and an output nut seat, wherein the duplicate gear is obliquely arranged in the second chamber and has a helical gear part and a transmission worm part integrally arranged with the helical gear part, the output nut seat is sleeved on the output screw, and the output nut seat has an internal thread and an output helical gear. The transmission mechanism of the actuator provided by the invention adopts a two-stage worm type transmission structure, thereby realizing the change ofthe output force of the motor, that is, converting the rotating action of the motor into the linear reciprocating action of the output screw, with stable transmission and low noise.
Owner:NINGBO HUAKAI ELECTRONICS TECH CO LTD

Horizontal lead carbon battery and preparation method thereof

The invention discloses a horizontal lead carbon battery. A carbon-based negative pole plate is used as a negative electrode, a negative plate grid material is one of cadmium-free alloy or a carbon material, and a negative active substance is formed by mixing a lead compound and the carbon material or comprises the independent carbon material. A positive pole plate and the carbon-based negative pole plate in each single horizontal lead carbon battery are of horizontal structures, and a pole plate plane is parallel to a horizontal surface. By the preparation method of the negative pole plate and the composition structure of a single internal pole plate, the purpose of lead carbon battery design is achieved, the concentration polarization phenomenon of an electrolyte in the battery can be fundamentally and effectively prevented, the cycle lifetime of the battery is effectively prolonged, and the large-rate charge-discharge performance of the battery is effectively improved. The preparation method of the horizontal lead carbon battery is simple and convenient, is easy to operate and can be widely used for protection of the lead carbon battery.
Owner:JIANGSU HUAFU STORAGE NEW TECH DEV

Offshore broadband air gun seismic source based on virtual and real depth combination

The invention discloses an offshore broadband air gun seismic source based on virtual and real depth combination. The source comprises a main seismic source and N-stage auxiliary seismic sources, wherein a first wave of the first-stage auxiliary seismic source in the N-stage auxiliary seismic sources and a ghost wave of the main seismic source are completely counteracted at the far-field end, a first wave of the next-stage auxiliary seismic source and a ghost wave of the previous-stage auxiliary seismic source are completely counteracted at the far-field end, the auxiliary seismic sources areequivalent to air gun seismic sources set at a specific virtual depth, meanwhile, the main seismic source and the N-stage auxiliary seismic sources are designed to be air gun arrays with real depth combination, and first waves of air guns at different depths in the main seismic source are subjected to same-phase superposition by adopting a time-delay excited mode. According to the method, the low-frequency response is effectively improved, meanwhile, the frequency domain notch introduced by the virtual and real depth ghost waves is compensated, so that the design purpose of a broadband seismicsource wavelet is achieved.
Owner:SECOND INST OF OCEANOGRAPHY MNR

Module type multifunction experiment apparatus

The invention is a module type multifunctional test facility, characterized by that it is composed of test module, box function extension module and peripheral circuit module, where the test module is composed of several combinable test module boards, each test module board is separately provided with a power supply switch. It can be applied to different CPUs by only selecting different smallest system modules so as to make a box able to be multiple-used, and its internal structure is reasonably designed; and it is beneficial to product updating and generation changing and beneficial for students to learn; different tests only need several different modules and the other modules can be cut-off, saving energy source.
Owner:TIANJING UNIV OF TECH & EDUCATION +1

Efficient hot blast furnace for tobacco baking equipment

The invention provides a high-efficiency hot blast stove for tobacco leaf curing equipment, comprising: heat conducting tubes (1), finned tubes (2), furnace walls (3), furnace roofs (4) and steel fins (5) ; It is characterized in that the heat pipe (1) is a group of non-phase-change circulation loop heat pipes; the finned tube (2) is an aluminum alloy finned tube. The invention adopts a single-phase heat transfer mechanism, which greatly improves the heat transfer capacity of the heat-conducting device and the bearing capacity of the furnace temperature, breaks through various limit restrictions of the furnace temperature on the phase change heat transfer, and solves the problem that the ordinary phase change heat transfer mechanism is not competent The high-density heat transfer condition, and through the integrated design of fuel combustion and heat dissipation, the aluminum alloy slotted fins with high heat exchange capacity are used to fully expand the heat exchange area, so that the hot blast stove forms a heat dissipation structure with strong heat exchange capacity. , greatly improve the heat energy utilization efficiency of tobacco leaf curing equipment, and achieve the purpose of saving energy and reducing consumption in flue-cured tobacco production.
Owner:陈伟峰

Corrosion experiment device and method capable of controlling temperature and humidity for high-voltage electric field environment

The invention proposes a corrosion experiment device and method capable of controlling temperature and humidity for a high-voltage electric field environment. The corrosion experiment device is characterized by comprising an external framework, an upper pole plate and a lower pole plate, wherein the external framework comprises an insulation plate, the upper pole plate and the lower pole plate arearranged in the external framework, are same in shape and size and are in round disc shapes, a voltage sharing ring is arranged on each of disc edges of the upper pole plate and the lower pole plate,the upper pole plate is suspended at an upper part of the external framework by an insulation rope, a net-shaped support plate is horizontally arranged at a middle part of the external framework, thelower pole plate is arranged on the net-shaped support plate, the disc bottoms of the upper pole plate and the lower pole plate are parallel to each other and are oppositely arranged, the upper poleplate is connected with a high-voltage experiment transformer, the lower pole plate is connected with ground, a solution groove is formed in a lower part of the net-shaped support plate, a constant-temperature heating pad is arranged below the solution groove, and an airflow fan is arranged on the support plate. By the corrosion experiment device, corrosion of key conductor metal under the high-voltage electric field environment can be accurately simulated, and the corrosion experiment is enabled to be safely and stably performed.
Owner:FUZHOU UNIV

Intraretinal fluid drainage device

The invention relates to an intraretinal fluid drainage device, belonging to the technical field of devices for ophthalmic surgery, including a drainage body having a drainage channel and an injectionneedle movably disposed axially within the drainage channel, wherein the drainage body comprises a piercing part and a gripping part which are integrally arranged and respectively sleeved on an injection needle body and a needle handle, at one end of the needle tip of the injection needle, the pierce part is provided with a ring-shaped light emit device and an image sensor, the gripping part is provided with a power supply device and a data socket; the power supply device and the image sensor are communicated with each other through wires preset in the drainage body, the data socket and the image sensor are communicated with each other through optical fibers preset in the drainage body, and the image processor and the display are communicated with each other through data wires, and the image processor and the data socket and the display are communicated with each other through data wires. The invention provides a composite structure of a drainage body and an injection needle, and an annular lighting and imaging device, thereby realizing the design purpose of safely extracting retinal internal fluid.
Owner:THE FIRST AFFILIATED HOSPITAL OF ARMY MEDICAL UNIV

Gradient ceramic column reinforced aluminum-based composite armor plate and preparation method

The invention provides a gradient ceramic column reinforced aluminum-based composite armor plate and a preparation method thereof. The composite armor plate comprises ceramic columns, an aluminum alloy substrate and an aluminum alloy melt infiltration body; the aluminum alloy substrate comprises at least three layers, the upper layer and the lower layer are complete aluminum alloy plates, and the middle layer is subjected to double-sided hole milling according to designated positions and apertures; the ceramic columns are arranged on the middle-layer aluminum alloy substrate in parallel or in a staggered manner and are covered by the upper-layer aluminum alloy substrate and the lower-layer aluminum alloy substrate to form a framework; and the aluminum alloy melt infiltration body is used for filling gaps in the framework, connecting the substrate and realizing three-dimensional constraint on the ceramic columns. The gradient ceramic column reinforced aluminum-based composite armor plate provided by the invention is relatively excellent in multi-shot strike resistance and integrity, does not have an obvious weak area, and has a bright application prospect in the field of armor protection.
Owner:NAT UNIV OF DEFENSE TECH +1

Dustproof loop for conus type cracking machine

ActiveCN101250663AFunction as a sealEnsure no lossGrain treatmentsConusOrganic solvent
The invention relates to a scraper seal for a conical crusher with self-sealing self-lubricating function, material quality of the scraper seal is cast iron, the content range of the components and cast iron of the cast iron material is that iron 91.2-92.6%, graphite 4.4-4.8% and silicon 3-4%. The scraper seal has the advantages that first, the adding of graphite leads a sealing ring which is casted not only have the function of lubricating and self-sealing, but also has the function of resisting acid, resisting alkali, resisting the corrosion of organic solvent, resisting wear, resisting high temperature and resisting cracks, second, the adding of silicon leads sealing ring which is casted to have double characters of metal and ceramic element, and the integral property of the casted sealing ring is improved.
Owner:ZHEJIANG SHUANGJIN MACHINERY HLDG

Seamless mounting method of wardrobe

The invention discloses a seamless mounting method of a wardrobe. The method comprises the following steps: arranging a cavity on one side of a wardrobe so as to form a notch in the side; during mounting, arranging a clearance remedying component in the cavity, wherein activity allowance exists between the clearance remedying component and the left and right sides of the cavity, the activity allowance ensures that the clearance remedying component can move left and right in front of a fixed position of the cavity so as to be positioned on the most lateral edge of the wardrobe and transversely protrude out of other parts of the wardrobe, and the protruded edge of the clearance remedying component is attached to a wall on the side. The clearance remedying component is moved to the side so as to be attached to the wall, and finally is fixed. Although, besides the clearance remedying component, clearances also exist between other positions of the corresponding side of the wardrobe and the wall, but the components of the side are attached to the wall, so that consumers think that the other clearances are designed deliberately, and the purpose of realizing a seamless design from the aspect of whole vision is realized.
Owner:CHONGQING COMFORT FURNITURE

Sterile flush toilet water tank and control method

The invention relates to a sterile flush toilet water tank and a control method of the flushing of a flush toilet. The flush toilet water tank is included, the flush toilet water tank comprises a drain valve, a water inlet valve and a controller; a low water level sensor is arranged at the lower portion of the flush toilet water tank, a high level sensor is arranged at the upper portion of the flush toilet water tank, signal output ends of the low water level sensor and the high water level sensor are connected with the signal end of the controller through connecting wires, and the controlleris provided with large and small water amount switching keys. When a user needs to flush the flush toilet with large amount of water, the large water amount switching key is pressed, the controller instructs an electromagnetic valve to be switched on to allow water to come in, the high water level sensor operates, when water level reaches a high water level position, a signal is fed back to the controller by the high water level sensor, and the controller instructs the electromagnetic water inlet valve to be switched off; after the defecation of the user is completed and when the electromagnetic water inlet valve is switched off, a draining valve is instructed to be switched on to allow water to come in to flush the toilet, after the draining of the water tank is completed, the draining valve is in a cut-out starting state, and there exists no water in the water tank; when the user needs to flush the flush toilet with small amount of water, and above method is adopted.
Owner:王昱坤 +2

Vanadinizing timing chain for engine

The invention relates to a vanadinizing timing chain for an engine, which can replace a belt and a gear, also has the advantages of being heat-resistant, wear-resistant, oxidation-resistant, corrosion-resistant and long in service life, and can meet the requirements of high rotation speed, variable load and high impact of the engine. A chain pin shaft is a GCr15 pin shaft, and a surface layer of the GCr15 pin shaft is a metallic cementation layer; the vanadinizing timing chain comprises an engine timing chain; the chain pin shaft in the engine timing chain is the GCr15 pin shaft, and the surface layer of the GCr15 pin shaft is the metallic cementation layer; a chain plate in the engine timing chain is tooth-shaped, and the tooth-shaped meshing arc surface is a concave-convex tooth meshing surface. The vanadinizing timing chain has the advantages that 1 the pin shaft is prepared from a GCr15 material, and the GCr15 pin shaft is subjected to chemical thermal treatment by adopting a metallic cementation, so that the chain pin shaft has the advantages of being heat-resistant, wear-resistant and oxidation-resistant; 2 the shearing strength of the pin shaft is increased, through extrusion and elastic deformation of the aperture of a tooth plate, abrasion on the apertures of the pin shaft and the tooth plate is reduced, the service life of the whole chain is prolonged, and the static strength of the whole chain is increased.
Owner:HANGZHOU CHIZHENG TECH

Protective type four-way wooden pallet

The invention relates to a protective type four-way wooden pallet. The protective type four-way wooden pallet comprises upper panels, middle panels, wooden supports, lower panels and steel belt protective grooves, the upper panels and the lower panels are mutually vertically connected through nails, the wooden supports are located in the middle and at the two ends of each middle panel respectively and in nail joint with the middle panels, the lower panels are in nail joint with the wooden supports and same as the upper panels in direction, and the steel belt protective grooves are formed in the upper panels located among the two adjacent lower panels. Usage amount of natural timber is greatly reduced, manufacturing cost of the four-way wooden pallet is reduced, the ratio of damage to steel belts for binding the pallet when a forklift transports goods in a fork mode is also greatly reduced, and therefore the design purpose of the four-way pallet is truly achieved.
Owner:山西汤荣机械制造股份有限公司

Parasitic unit loaded high-gain dual-frequency microstrip antenna

The invention provides a parasitic unit loaded high-gain dual-frequency microstrip antenna. The antenna mainly comprises a metal floor layer, a dielectric substrate layer, a rectangular radiation patch, a feeder line and a parasitic unit, the metal floor layer is the bottommost layer, the dielectric substrate layer covers the metal floor layer, the rectangular radiation patch is located on the upper surface of the dielectric substrate layer, the microstrip feeder is arranged on one side of the upper surface of the dielectric substrate layer and connected with the rectangular radiation patch, and the parasitic units are arranged on the two sides of the feeder. The upper half part of the rectangular radiation patch is composed of a plurality of four-leaf clover-shaped arc-shaped patterns which are uniformly distributed; the structure of the parasitic unit is obtained by respectively setting a group of opposite sides of a square into a shape like a Chinese character 'ao'. According to the antenna, double-frequency resonance frequency points can be realized in an S wave band with a relatively small structure, the gain of the microstrip antenna is improved, and the practicability of the microstrip antenna is enhanced.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Sensorless asymmetric reinforcement mesh welding device and its application method

The invention discloses a sensorless asymmetric steel bar support mesh welding device and its use method, including a sensorless positioning single steel bar transmission device, an asymmetric support guide transmission device, a steel bar limited vertical transport device, a welding working device and processing equipment stand. The invention belongs to the technical field of steel support net welding processing equipment, specifically refers to a sensorless asymmetric steel support net welding device and its use method, which creatively combines the principle of leverage, gravitational potential energy and the way of sensor relocation In the present invention, the gravity of the falling steel bar is used to drive the lever to move, realizing the function of intermittently transporting the steel bar material without sensors, and creatively applying the principle of asymmetry (transforming the traditional symmetrical structure into an asymmetrical structure) in the present invention , which not only reduces the material loss of the supporting equipment, ensures the supporting effect of the supporting equipment on the steel bar material, but also provides a more favorable welding angle for the welding equipment to enhance the welding effect.
Owner:JIANGSU XINPENG ENERGY TECH

A kind of sic fiber variable angle reinforced ti-matrix composite tube and shaft part and its preparation method

The invention discloses a SiC fiber variable angle reinforced Ti base composite pipe shaft and a preparation method thereof, and belongs to the technical field of preparation of composites. A variable angle SiCf / Ti base composite middle layer is arranged in a Ti alloy pipe wall of the pipe shaft, and comprises more than three SiC fiber layers; and included angles between the axial direction of SiC fibers in the SiC fiber layers and the axial direction of the pipe shaft are within -90 to 90 degrees. The fiber reinforced angle o the pipe shaft realizes the variable angle adjustment; and the variable angle reinforcement mode effectively reduces the pipe shaft anisotropy degree, improves the warping rigidity, the transverse rigidity and the impact resistance of the composite pipe shaft, and facilitates to widen the application range of the SiCf / Ti base composite pipe shaft.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Driving Mechanism and Working Method of Grass Silk Planting Machine

The invention relates to a driving mechanism of a grassland silk planting machine, which includes a main frame system and a sub-frame system; the main frame system and the sub-frame system each have an independent walking wheel mechanism, and the walking of the respective walking wheel mechanisms The directions are different; the main and auxiliary frame systems can move relative to each other in the vertical direction under the action of the jacking power mechanism. The invention enables the walking wheels of the silk planting machine to complete steering without contact and twisting on the grass field, thereby effectively protecting the grass field and improving the efficiency and convenience of steering. Taking into account multiple design considerations such as silk planting, turning during silk planting, walking and turning in non-working state, etc.
Owner:BEIJING TEAMRUN TECH DEV CO LTD
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