43results about How to "Applicable transportation" patented technology

The invention relates to the technology field of communication and observation control, which provides a composite material satellite antenna reflection plane and the method for preparation. The composite material satellite antenna reflection plane adopts 3D glass fiber felt as core material, and adopts carbon fiber composite as covering sandwich type composite material satellite antenna reflection plane. Compared with the prior art, the invention has the following advantages: 1. shaped surface accuracy of the satellite antenna reflection plane is high and satellite signal gain is great, 2. quality of the reflection plane is light, and is fit for transportation, in particular to fitting for vehicle satellite antenna and portable satellite antenna, 3. integrality of the reflection plane is good, hardness is great, thereby being capable of preferably retaining the shaped surface accuracy and bearing more wind load and impact load, 4. adopting the 3D glass fiber felt as the core material, the invention inaugurates a new technology of the sandwich composite material satellite antenna reflection plane, the technology is capable of producing heavy caliber satellite antenna reflection plane, and which is simple in manufacturing technology comparatively and low in the cost.

The invention discloses low-brittleness 700MPa-level automobile beam steel and a manufacturing method thereof. The low-brittleness 700MPa-level automobile beam steel comprises the following chemical components in percentage by mass: 0.05-0.07% of C, less than 0.1% of Si, 1.45-1.75% of Mn, less than 0.012% of P, less than 0.005% of S, 0.020-0.070% of Al, 0.035-0.050% of Nb, 0.08-0.1% of Ti, less than 0.005% of N and the balance of iron and unavoidable impurities. The low-brittleness 700MPa-level automobile beam steel is manufactured by the steps of molten iron desulfurization, converter smelting, vacuum treatment, continuous casting, slab checking and cleaning, slab heating, hot continuous rolling, laminar flow cooling, coiling and finishing. The low-brittleness 700MPa-level automobile beam steel disclosed by the invention has high strength, and the weight reducing effect can reach 10-25% in frame design; with good formability, the low-brittleness 700MPa-level automobile beam steel is suitable for the processes of stamping, rolling, bending and the like; with low-temperature toughness, the low-brittleness 700MPa-level automobile beam steel is suitable for the transportation in cold regions.

The invention relates to a preparation method of a structure and function integrated neutron absorbing material. The method prepares the structure and function integrated neutron absorbing material byadopting a powder metallurgy method through such processes as burdening, ball milling, molding, sealing, compactness, hot rolling and annealing with boron carbide powder, nanometal oxides, aluminum and alloy powder as raw materials. The structure and function integrated neutron absorbing material prepared by the method is excellent in component uniformity, high in compactness, high in heat conductivity and excellent in mechanical performance.

The invention discloses an umbilical cord mesenchymal stem cell preserving fluid. The umbilical cord mesenchymal stem cell preserving fluid comprising the following components at different concentrations: low-sugar DMEM culture medium of 5 to 10% (V / V), human serum albumin of 15 to 25g / L, sodium chloride of 8 to 10g / L, low-molecular heparin sodium of 2000 to 3000AXaIU / mL, glucose of 20 to 50g / L, vitamin C of 100 to 150mg / L, and salidroside of 10 to 30mu M. The umbilical cord mesenchymal stem cell preserving fluid can effectively preserve the umbilical cord mesenchymal stem cells under the condition of 4 DEG C and keep stable cell phenotypes. All the components of the umbilical cord mesenchymal stem cell preserving fluid are safe and non-toxic to a human body, subsequent use of the umbilical cord mesenchymal stem cells is facilitated, and the umbilical cord mesenchymal stem cell preserving fluid is very suitable for preservation and transportation of the umbilical cord mesenchymal stemcells and has a wide application prospect.

The invention discloses a movable combined sealing and pressing device for a high-temperature material tank, which comprises a feeding cylinder, a sealing mechanism and a driving mechanism. The upper end of the upper end is sealed and connected with the feeding barrel, and the lower end is sealed and connected with the storage tank during the unloading process. There is a thermal expansion gap between the inner wall of the lifting sealing cover and the outer wall of the feeding barrel; the driving mechanism drives the lifting sealing cover relative to The feeding cylinder moves up and down. The device uses thermal expansion gap design to solve the problem of hindering the upward and downward movement of the liftable sealing cover due to thermal expansion, and ensures good concentricity of the equipment through the structural design of the driving mechanism, making the unloading process easy to operate and safer.

The invention discloses low-brittleness 650MPa-grade steel for automotive beams and a preparation method thereof. The steel comprises 0.06-0.08% of C, not more than 0.1% of Si, 1.40-1.60% of Mn, not more than 0.012% of P, not more than 0.005% of S, 0.020-0.070% of Al, 0.035-0.050% of Nb, 0.05-0.075% of Ti, not more than 0.005% of N and the balance of iron and inevitable impurities. The steel is prepared by the processes of molten iron desulfurization, converter smelting, vacuum treatment, continuous casting, slab examination and cleaning, slab heating, hot continuous rolling, laminar cooling, reeling and finishing in sequence. The steel has the beneficial effects that the steel has high strength, and the weight reduction effect can be 10-25% when the steel is used for frame design; the steel has good moldability and is suitable for stamping, rolling, bending and other processes; the steel has good low-temperature toughness and is suitable for transportation in cold regions.

The invention discloses a tank truck. The tank truck comprises a bottom frame and a tank body fixedly mounted on the bottom frame, the bottom frame is integrally provided with a guide rail with the rectangular cross section along the central axis in the traveling direction, two inserted-L-shaped brackets are fixed to the two sides of the guide rail correspondingly, vertical sections of the brackets are arranged perpendicular to the surface of the bottom frame, horizontal sections of the brackets are arranged oppositely, and the two brackets are arranged in a mirror symmetry mode with the guiderail as a symmetrical axis; a strip-shaped sliding groove in sliding fit with the guide rail is formed in the bottom face of the tank body, so that the tank body is located on the central axis of thebottom frame when the sliding groove and the guide rail are matched; and two lug plates which are parallel to the surface of the bottom frame and extend towards the outer side of the tank body are further arranged on the two side faces of the tank body correspondingly, a sliding column is perpendicularly fixed to the upper surface of each lug plate, and a vertical stop block directly facing the tank body is further arranged at the position, close to a truck head, of the bottom frame. According to the tank truck, centralized impact of liquid on the front end of the tank body can be buffered effectively step by step, and the safety of the tank truck during braking is guaranteed.

The invention provides a slope sliding type liftable wharf. The slope sliding type liftable wharf comprises a slope-shaped base station and a floating wharf, wherein auxiliary walking rails are arranged on an oblique surface of the base station and are grooves formed in the oblique surface of the base station, inverted 'T'-shaped protruded ribs are arranged on one surface, opposite to the base station, of the floating wharf and are clamped into the grooves, and then the floating wharf can move along the auxiliary walking rails. The invention provides the wharf capable of being automatically adapted to a tide level; and compared with an existing wharf in a fixed structure, the wharf can be lifted and ascended along the tide level, so that people can conveniently get onto and get off from the wharf.

The invention discloses a multipurpose tray, and relates to the field of warehousing and logistics transportation. The multipurpose tray comprises a supporting plate, wherein one side of the supporting plate is provided with a plurality of supporting feet for supporting, and the supporting plate is provided with a plurality of blind holes. Aiming at the problem of low applicability in the prior art, the multipurpose tray is suitable for the independent or comprehensive placement of large, medium and small materials, and the storage space is greatly saved while the requirements of material stacking isolation and ordering is met; and especially for plate products, the storage utilization rate is higher. For metal product thin plate parts, the small parts can be directly placed on a top plate; for the medium parts, limiting objects can be inserted into the blind holes to clamp each medium part among the adjacent blind holes; for the large parts, the limiting objects are inserted into theblind holes, and each large part is obliquely placed among the adjacent limiting objects. Therefore, the multipurpose tray is suitable for storing the various materials with various varieties and batches, small batches and nonstandard properties, the applicability and the universality are high, the materials are easy to obtain, and the manufacture is convenient.

The invention discloses low-brittleness 800MPa-grade steel for automotive beams and a preparation method thereof. The steel comprises 0.04-0.06% of C, not more than 0.1% of Si, 1.9-2.2% of Mn, not more than 0.012% of P, not more than 0.005% of S, 0.020-0.070% of Al, 0.04-0.06% of Nb, 0.105-0.13% of Ti, 0.15-0.22% of Mo, not more than 0.005% of N and the balance of iron and inevitable impurities. The preparation method is characterized by firstly heating a continuous casting slab to 1280-1330 DEG C within 200-300 minutes to carry out rough rolling, and controlling the temperature at 1040-1140 DEG C after rough rolling is finished to carry out finish rolling. The steel has the beneficial effects that the steel has high strength, and the weight reduction effect can be 10-25% when the steel is used for frame design; the steel has good moldability and is suitable for stamping, rolling, bending and other processes; the steel has good low-temperature toughness and is suitable for transportation in cold regions.

The invention discloses a preliminary-grinding and leakage-proof transport device for a lime kiln. The device comprises conveyor belts, a traction power device and a support. Vertical frames are arranged above the support and fixedly provided with multiple upper-layer idler wheels. The upper-layer idler wheels are arranged in a recessed arc shape. Lower-layer idler wheels are arranged below the support. The conveyor belts are arranged above the upper-layer idler wheels and above the lower-layer idler wheels in a covering manner. The two sides of each conveyor belt make contact with the highest positions of the upper-layer idler wheels. The centers of the conveyor belts and the lowest positions of the upper-layer idler wheels are suspended under the no-load condition. By means of the preliminary-grinding and leakage-proof transport device for the lime kiln, materials are prevented from falling in the transport process, the materials are provided continuously and stably for the later machining process, the device is convenient to use and efficient, and production efficiency is improved.

The invention discloses low-brittleness 750MPa-level automobile beam steel and a manufacturing method thereof. The low-brittleness 750MPa-level automobile beam steel comprises the following chemical components in percentage by mass: 0.04-0.06% of C, less than 0.1% of Si, 1.6-1.85% of Mn, less than 0.012% of P, less than 0.005% of S, 0.020-0.070% of Al, 0.04-0.06% of Nb, 0.08-0.1% of Ti, 0.08-0.14% of Mo, less than 0.005% of N and the balance of iron and unavoidable impurities. A hot continuous rolling process comprises the steps of heating a continuous cast slab to 1,250-1,300 DEG C within 200-300 minutes, and performing rough rolling; after the rough rolling, controlling the temperature at 1,040-1,140 DEG C, and performing finish rolling, wherein the finish rolling temperature is 780-880 DEG C. The low-brittleness 750MPa-level automobile beam steel disclosed by the invention has high strength, and the weight reducing effect can reach 10-25% in frame design; with good formability, the low-brittleness 750MPa-level automobile beam steel is suitable for the processes of stamping, rolling, bending and the like; with low-temperature toughness, the low-brittleness 750MPa-level automobile beam steel is suitable for the transportation in cold regions.

The invention relates to a virus delivery culture medium. The virus delivery culture medium contains the following components in concentration: Hank'S equilibrium liquid, 0.2-2 g / L of amino acid, 5-50% of glycerol, 0.02-0.2% of a ProClin preservative and 2-15 g / L of bovine serum albumin. The virus delivery culture medium has the beneficial effects that the virus delivery culture medium is based on the Hank's equilibrium liquid, amino acid is added as a virus protein shell protection component, glycerol is added, the protection of the complete form of a virus in a long-term low-temperature stored virus sample is facilitated, the antigen activity of a virus shell is facilitated, and the virus delivery culture medium is suitable for antigen detection and nucleic acid detection of the virus; and meanwhile, the preservative is added, so that the virus delivery culture medium is suitable for virus transportation and long-term preservation. The virus delivery culture medium has no interference on the detection of an in-vitro diagnostic reagent, avoids the abuse of antibiotics, and reduces the drug resistance risk of pathogenic bacteria.

The invention provides a delivery mechanism and a conveying device, and belongs to the field of metallurgical engineering. The delivery mechanism comprises a first connection element, a second connection element, a drive element and a plurality of push elements, wherein the head and the tail of the first connection element are connected to form a closed structure, the head and the tail of the second connection element are connected to form a closed structure, and the first connection element and the second connection element are oppositely arranged; the plurality of push elements are erected between the first connection element and the second connection element, and an accommodating space is formed between each two adjacent push elements; and the drive element is matched with the first connection element and / or the second connection element. The conveying device comprises a bearing plate and the delivery mechanism. The delivery mechanism and the conveying device can reduce energy consumption while improving the capacity.

The invention discloses a chain-plate-type longitudinal and transverse transport device comprising X-axis transport assemblies and a Y-axis transport assembly. The Y-axis transport assembly comprisesa U-shaped mounting base. Conveying rollers are erected on the two sides of the U-shaped mounting base correspondingly, the at least three sets of conveying rollers are arranged two by two, and the first, third and fifth rollers serve as driving rollers; one ends of central rotating shafts of the driving rollers penetrate through side plates of the U-shaped mounting base and are provided with synchronous wheels; the synchronous wheels and output wheels mounted on spindles of motors arranged on the inner side face of the U-shaped mounting base are in transmission through a synchronous belt; andeach X-axis conveying assembly is arranged between the corresponding two sets of conveying rollers. Three-way transport can be achieved through the X-axis transport assemblies and the Y-axis transport assembly; steering without external force is achieved through a hydraulic cylinder, the precise transport angle is ensured through the braking-type direct current decelerating motors, accordingly, transport precision is improved, and the loading efficiency in the later period is improved.

The invention relates to a guide rail type transport device for photovoltaic materials. The guide rail type transport device for the photovoltaic materials comprises two rows of photovoltaic pile foundations, photovoltaic stand columns, rails, a material transporting vehicle and a traction device, and the arrangement direction of one row of photovoltaic pile foundations serves as the front-back direction; the photovoltaic stand columns are installed on the corresponding photovoltaic pile foundations to form two columns of photovoltaic stand columns; the rails are formed by a plurality of photovoltaic stringers or a plurality of photovoltaic oblique beams, and the two rails are arranged corresponding to the photovoltaic stand columns in the corresponding columns respectively; the material transporting vehicle is used for moving on the two rails in the front-back direction; and the traction device is connected with the material transporting vehicle through a traction rope so as to pull the material transporting vehicle to move. The rails, a transverse support and the photovoltaic stand columns are all made of photovoltaic supports on site and can be recycled, and the cost is reduced;and besides, the photovoltaic pile foundations can be used as pile foundations of the photovoltaic stand columns in the transport device and can also be used as the pile foundations of the photovoltaic stand columns in the photovoltaic supports, two purposes are achieved, the cost for manufacturing the pile foundations is reduced, and meanwhile the working efficiency is improved.

The invention discloses a novel suspension tractor. The tractor comprises a bracket, a plurality of brackets are fixed on the ground, a rail is fixed at the upper end of the brackets, a plurality of cargo carrying devices are detachably hung on the rail in a rolling manner, adjacent cargo carrying devices are connected through a connecting rod, the lower end of the cargo carrying devices can be hung with objects, the driving device comprises a traction part, a transmission part, a machine frame and a rolling part, wherein a traction hook is arranged at the two ends of the machine frame, the traction hook is connected with the end of the adjacent connecting rod, the traction part is lifted to be separated from the ground, the transmission part transmits power to enable the rolling part to move along the track, so that the cargo carrying device is driven to move from the starting end to the terminal, the traction part descends to be in contact with the ground, the driving device can be moved out of the rail, the traction part is started, and the driving device can run from the terminal to the starting end along the ground. The tractor has the advantages that the transportation speedis high, the production efficiency is high, the number of workers is small, and the on-site extrusion of the ears is avoided.

The invention relates to a warehouse of a metal plate flexible production line. The warehouse comprises a metal plate transfer part, a metal plate storage part and a lifting drive mechanism arranged on the metal plate transfer part, wherein the metal plate transfer part comprises a conveying mechanism and a conveying plate; the conveying mechanism comprises a transverse plate, a slide slot formedin the transverse plate, a conveying motor arranged on the transverse plate, a sliding limiting block arranged in the slide slot, and a fixed bolt; the sliding limiting block is fixedly connected to the conveying plate; the output shaft of the conveying motor penetrates through the conveying plate; the conveying plate comprises a drive wheel and a driven wheel; and the drive wheel is fixedly mounted on the output shaft of the conveying motor. The warehouse of the metal plate flexible production line can conveniently regulate spacing of the conveying mechanism, and can transport metal plates ofdifferent models, sizes and thicknesses; and moreover, after the metal plates are stored into a storage region, ends of the metal plates can be stably self-locked stably, so that the fixing effect, in the storage region, of the metal plates of different models can be guaranteed.

The invention relates to the technical field of lifters, in particular to self-walking type lifting equipment with safety protection and a method. The self-walking type lifting equipment comprises a walking unit and a lifting unit arranged above the walking unit; the walking unit comprises a mounting base, a walking driving motor, and a first track structure and a second track structure which are symmetrically mounted on two sides of the bottom of the mounting base; each of the first crawler belt structure and the second crawler belt structure comprises two crawler belt wheels and a crawler belt, and the crawler belt is wound on the two crawler belt wheels; and stabilizing mechanisms are further arranged at the four corners of the bottom of the mounting base correspondingly, the conveying mechanism comprises a first lifting table, and a protective fence is arranged on the periphery of the first lifting table. The elevator is simple in structure and convenient to move and finely adjust, is provided with a safety protection structure, is high in safety and reliability when a worker uses the elevator, and is not easy to incline when meeting the ground with an uneven surface.

The invention discloses a dustproof transport device for a discharging opening for accurate grinding of lime. The dustproof transport device comprises conveyor belts, a traction power device and a support. A cabinet dustproof cover is arranged between a discharging tower above the conveyor belts and the conveyor belts. The discharging opening below the discharging tower is sealed in the dustproof cover. Vertical frames are arranged above the support and fixedly provided with multiple upper-layer idler wheels. The upper-layer idler wheels are arranged in a recessed arc shape. Lower-layer idler wheels are arranged below the support. The conveyor belts are arranged above the upper-layer idler wheels and above the lower-layer idler wheels in a covering manner. The two sides of each conveyor belt make contact with the highest positions of the upper-layer idler wheels. The centers of the conveyor belts and the lowest positions of the upper-layer idler wheels are suspended under the no-load condition. Arc supporting plates for supporting the conveyor belts are arranged at the positions, below the discharging opening, of the lower sides of the conveyor belts. By means of the dustproof transport device for the discharging opening for accurate grinding of the lime, dust pollution is avoided, control over falling of materials is facilitated, material blockage is avoided, and production and machining efficiency is improved.

The invention discloses a dismounting and mounting device and method for a brake disc for a locomotive. The device comprises a wheel disc storage frame, brake disc supporting frames, first rotating shafts and brake disc supporting frame hooks, the wheel disc storage frame is provided with a containing space for supporting a vertical wheel disc, the brake disc supporting frames are arranged on the two sides of the wheel disc storage frame, the bottom of the brake disc supporting frame on each side is rotationally connected with the bottom of the wheel disc storage frame through the first rotating shaft, the upper parts of the brake disc supporting frames are connected with the brake disc supporting frame hooks located at the upper part of the wheel disc storage frame in a clamped mode, multiple supports are perpendicularly arranged on the brake disc supporting frame on each side, and the front ends of the supports are provided with hooks for supporting the inner circumference of the brake disc. According to the dismounting and mounting device and method for the brake disc for the locomotive, the vertical wheel disc storage frame supports the vertically-placed wheel disc, the brake disc supporting frames support the brake disc, dismounting and mounting of the brake disc in the vertical state are achieved, labor is saved, convenience is achieved, the application range is wide, and the manufacturing cost is low.

The invention discloses a conical spiral bubble conveying device which comprises a conical spiral body. The conical spiral body begins to be upwards gradually contracted to the contracting end from the starting end. The starting end of the conical spiral body is an inclined quadrangle, and the vertical edges of the quadrangle are gradually increased upwards along the conical spiral. A wedge anglecan generate Laplace force on bubbles only if the diameter of the bubbles is larger than the height of the inner side face of the conical spiral body, meanwhile, the curvature of the conical spiral isused for generating the curvature driving force on the bubbles, and under the common effect of the Laplace force and the curvature driving force, the bubbles can be driven to move towards a conical top by means of the conical spiral bubble conveying device. Anti-gravity and anti-buoyancy transportation on the bubbles is achieved.

The invention discloses a dustproof transport device for a discharging opening for accurate grinding of lime. The dustproof transport device comprises conveyor belts, a traction power device and a support. A cabinet dustproof cover is arranged between a discharging tower above the conveyor belts and the conveyor belts. The discharging opening below the discharging tower is sealed in the dustproof cover. Vertical frames are arranged above the support and fixedly provided with multiple upper-layer idler wheels. The upper-layer idler wheels are arranged in a recessed arc shape. Lower-layer idler wheels are arranged below the support. The conveyor belts are arranged above the upper-layer idler wheels and above the lower-layer idler wheels in a covering manner. The two sides of each conveyor belt make contact with the highest positions of the upper-layer idler wheels. The centers of the conveyor belts and the lowest positions of the upper-layer idler wheels are suspended under the no-load condition. Arc supporting plates for supporting the conveyor belts are arranged at the positions, below the discharging opening, of the lower sides of the conveyor belts. By means of the dustproof transport device for the discharging opening for accurate grinding of the lime, dust pollution is avoided, control over falling of materials is facilitated, material blockage is avoided, and production and machining efficiency is improved.

The invention discloses an anti-static packaging unit for high-grade electronic components. The anti-static packaging unit comprises a box and a box cover; an iron sheet and an anti-static protectivefilm are embedded in the side wall of the box; storage boxes are arranged in the box, a sealing strip and an anti-pressing block are fixedly connected to the surface of the box cover, a plurality of magnet strips are embedded in the sealing strip, and the anti-static protective film is arranged in the box cover; each of the three storage boxes is provided with a cover capable of being opened and closed, three electronic elements can be placed in each storage box, and nine electronic elements can be placed in total. The box body and the anti-static protective film are fixedly assembled, so thatattractiveness is achieved, and the anti-static packaging unit is suitable for transportation of high-grade electronic elements; the used anti-static protective film is made of an electrostatic consumable material, has a good electrostatic dissipation function, does not depend on environmental humidity, is not easy to damage, and has permanent antistatic property.