43results about How to "Help with transportation" patented technology

An elastic heat-insulation fluorocarbon coating consists of a host and curing agent. The host is prepared by the following components, by weight, 55 to 65 parts of fluororesin, 0.5 to 1.5 parts of dispersant, 0.2 to 0.4 part of defoamer, 0.3 to 0.5 part of anti-settling agent, 0.3 to 0.5 part of flatting agent, 15 to 20 parts of titanium white, 4 to 8 parts of hollow glass microballs, 1 to 1.5 parts of hollow macromolecular polymer and 15 to 20 parts of mixed solvent. The curing agent is manufactured by the following components, by weight, 90 parts of E405 to 80T, 5 parts of butyl acetate and 5 parts of propylene glycol methyl ether acetate. The weight proportion of the host and the curing agent can be calculated according to the hydroxyl value of the fluororesin and the NCO (isocyanate) content of the curing agent, namely OH/NCO=1:(1.05 to 1.15). The elastic heat-insulation fluorocarbon coating has the advantages of excellent weatherability, stain resistance, washability, decoration performance, excellent normal-temperature and low-temperature elasticity, capability of resisting to fine fissures, improved heat insulation effect and benefits to transport and settlement.

The invention belongs to the fields of cell biology and tumor tissue engineering materials and provides a three-dimensional tumor model decellularization porous scaffold, a construction method and application thereof. The whole pig lung scaffold is prefrozen, a uniform part without obvious bronchi is selected and sliced, purified water and PBS are added for cleaning until no blood streak is formed, removing cells with sodium dodecyl sulfate and TritonX-100, and freezing, drying and chemical crosslinking methods are adopted, so that a crosslinked decellularization pig lung three-dimensional tumor model scaffold is obtained. The three-dimensional tumor model decellularization porous scaffold provided by the invention has the advantages that decellularization matrix sourced from pig lung tissues is taken as a scaffold material for constructing a tumor model, on the basis of effectively removing cell components, a pulmonary alveolus-bronchus structural vein network is reserved as soon as possible, a natural extracellular matrix microenvironment can be simulated, and cell adhesion, growth and proliferation are facilitated. The in vitro constructed three-dimensional tumor model after cells are inoculated has a tissue structure closer to an in vivo tissue and is applicable to screening study of anticancer drugs.

The invention belongs to the field of preparation of ionic hydrogen bond organic framework materials, and particularly discloses an ionic hydrogen bond organic framework material with proton conduction performance, the chemical formula of the ionic hydrogen bond organic framework material is {TPE-SO3H. 2 (DBD). 2 (DMF). 4 (H2O)} n, n is a positive integer, TPE-SO3H is 1, 1, 2, 2-tetrasulfonic acidphenyl ethylene, DBD is (C5NH4NH2) 22+, and DMF is N, N '-dimethylformamide. The structural unit belongs to a triclinic system, the space group is P-1, the molecular formula is C52H62N10O18S4, the cell parameters are as follows: alpha = 102.789 degrees, beta = 99.968 degrees and gamma = 112.169 degrees, each repetitive unit comprises four water molecules and two DMF molecules, two DBD molecules and one TPE-SO3H molecule, and amino groups on the DBD molecules and sulfonate groups on the TPE-SO3H molecule form a one-dimensional hydrogen bond network with water molecules. The material has good thermal stability, and has good performance for proton transportation. The invention discloses the preparation method of the material, the synthetic raw materials are easy to obtain, and the preparation process is simple. The ionic hydrogen bond organic framework material disclosed by the invention can be used as a proton conducting material and has a very good application prospect.

The invention relates to a folding bicycle parking frame which comprises a base, a butting assembly and a plurality of supporting legs, wherein an accommodating part is formed between both ends of the base; the accommodating part can be used for parking a wheel of a bicycle; a first end of the butting assembly is pivoted with a first end of the base; a second end of the butting assembly is provided with a butting part for controlling a second end of the butting assembly so that the butting assembly can be pivoted at a butting position and a folding position relative to the base; when the butting assembly is positioned at the butting position, the butting part can be butted against the wheel of the bicycle; when the butting assembly is positioned at the folding position, the butting assembly is folded in the base; the supporting legs are respectively pivoted at both ends of the base; the supporting legs can be pivoted at a first position and a second position; when the supporting legs are positioned at the first position, the supporting legs are unfolded relative to the base; and when the supporting legs are positioned at the second position, the supporting legs are folded in the base.

The invention provides a steel plate lifting and transporting device which comprises lifting mechanisms and a transporting mechanism. The transporting mechanism comprises two cross beams which are arranged horizontally and symmetrically. A plurality of driving rollers and a plurality of driven rollers are horizontally arranged between the two cross beams. The circumferential peaks of the driving roller and the driven rollers are positioned on the same horizontal plane. The driving rollers and the driven rollers are rotationally mounted on the two cross beams, and are staggered. Motors are externally connected with the driving rollers respectively. The lifting mechanisms are positioned below the transporting mechanism, and comprise stroke-adjustable cylinders. The stroke-adjustable cylinders are arranged on the ground. Piston rods of the stroke-adjustable cylinders are vertically arranged. Supporting blocks are fixedly connected to the top ends of the stroke-adjustable cylinders, and are fixedly connected between the two cross beams.

The invention relates to a device for preparing foodstuffs, comprising: -a rotary cutting tool (30) having a side wall (32) having at least one external cutting member (34) adjacent to a through-passage (35), the side wall (32) forming a front opening for evacuating pieces of cut foodstuffs, -a casing (20) defining a housing (21) having a mounting opening for fitting the cutting tool in the housing (21), the casing (20) having a hollow shaft (23) for introducing the foodstuffs to be cut, the hollow shaft (23) opening into the housing (21) at least partially next to the or at least one of the external cutting members (34). In accordance with the invention: -the casing (20) bears a duct (71) extending the housing (21), -and the cutting tool (30) rotates a pressing member (40) having at least one blade (42) that presses the cut pieces of foodstuffs against at least a portion of filtering wall (51) formed in the duct (71), in order to obtain juices and/or coulis.

The invention discloses a blocked analysis method for a large-size machine tool structural member. The method comprises the steps of establishing a combining surface rigid model based on a three-dimensional fractal contact theory, and identifying a normal stiffness and lateral stiffness; performing parameter modeling of the large-size structural member (crossbeam) based on a definite element method, and integrating the identified normal stiffness and the lateral stiffness into a large-size structural member three-dimensional model; and utilizing a parameter blocked designing method and a particle swarm optimization method, optimizing the dynamic performance of the large-size structural member (crossbeam), and designing the optimized large-size structural member (crossbeam) three-dimensional model by means of an optimization result. A re-manufacturing factor is taken into a designing period so that the structural member not only can satisfy function and performance requirement of a product and furthermore facilitates manufacturing, transportation, assembling and re-manufacturing. The blocked analysis method for the large-size machine tool structural member is deeply understood, thereby better guiding designing and application of the large-size machine tool structural member.

The invention provides an adriamycin nanoparticle with the particle size controllable. The adriamycin nanoparticle is formed by taking polyethylene glycol vitamin E succinate (TPGS) as a core and wrapping the core with polyethylene glycol-adriamycin and poly(isobutene-alt-maleic anhydride)-modified beta-cyclodextrin through self-assembly. The invention further provides a preparation method of the adriamycin nanoparticle. Compared with a traditional nanoparticle prepared through a chemical bond forming and rupturing method, the adriamycin nanoparticle is controllable in particle size, simple in preparation process, mild in reaction condition and capable of easily obtaining the raw materials and has the good biological safety and tissue compatibility.

The present invention relates to the use of a combination of additives comprising at least two of the following compounds: an antioxidant (A) according to formula (I): wherein R1, R2, R3, R4 and R5 independently are H, or non- substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise heteroatoms, an antioxidant (B) according to formula (II): wherein R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups; X1, X2, and X3 independently are H or OH, with the provisio that at least one of X1, X2 and X3 is OH; and the entire molecule does not comprise an ester group; carbon black; reducing taste and/or odour in a polyolefin composition.

The invention discloses an intelligent photovoltaic power generation device. The intelligent photovoltaic power generation device comprises a first device body, lifting devices, solar devices and a forward gear, wherein the lifting devices are arranged on the end face of the upper side of the first device body in bilateral symmetry, the solar devices are arranged at the upper ends of the lifting devices, and the forward gear is arranged in the lower end face of the first device body. Each lifting device comprises a first connection column which is fixedly connected with the upper side end faceof the first device body, second connection columns are arranged on the opposite sides of the first connection columns which are bilaterally symmetrical, and first fixing blocks are fixedly connectedwith the front side end face and the rear side end face of each first connection column. First lifting grooves are formed in the rear side end faces of the second connection columns, the first lifting grooves run through up and down, the openings of the first lifting grooves face backwards, and second fixing blocks which extend into the first lifting grooves and can slide up and down are fixedlyarranged on the front side end faces of the first fixing block on the rear side.

A sound absorbent barrier (10) has a sound absorbent layer (40) disposed between a porous first cover (50) and a second cover (60). The barrier (10) also has a waterproof sound-permeable membrane (70) between the first cover (50) and the sound absorbent layer (40). The sound absorbent layer (40) is thus protected from damage by the first and second covers (50, 60) and water ingress is prevented by the sound-permeable membrane (70). The second cover (70) may be non-porous to reflect sound waves which have passed through the sound absorbent layer (40) back through the sound absorbent (layer 40). Alternatively, the second cover may be porous to enable absorption of sound from two directions.

The invention relates to a preparation method and application of a silk fibroin compound hydroxyapatite material. The preparation method comprises the following steps: 1, preparing a silk fibroin aqueous solution, and performing concentration; 2, preparing a mixed solution from the silk fibroin aqueous solution with a horseradish peroxidase solution and hydrogen peroxide; 3, molding the mixed solution, performing crosslinking in an environment at the temperature of 28-45 DEG C, and performing freezing treatment to obtain a silk fibroin primary molding product; 4, soaking the silk fibroin primary molding product in a methanol solution, performing rinsing to obtain silk fibroin molding product; and 5, synthesizing nano-hydroxyapatite particles on the silk fibroin molding product by using anin-situ mineralization method to obtain the silk fibroin compound hydroxyapatite material. The preparation method can prepare silk fibroin compound hydroxyapatite bone duct by adopting a method with simple operation, high yield and no toxicity, and the silk fibroin compound hydroxyapatite bone duct can be used for effectively treating continuous bone defects and can avoid risks in autogenous boneextraction and rejection reaction of allogeneic bones.

The invention discloses a foldable walking aid. The foldable walking aid comprises a first connecting rod and two first support leg frames, the two first support leg frames are installed at the two sides of the first connecting rod respectively and can be rotated and folded relative to the first connecting rod, the lower portion of each first support leg frame is connected with a second support leg frame, each second support leg frame comprises a transverse rod and support legs connected to the two ends of the transverse rod, the first support leg frames are hinged to the second support leg frames, each transverse rod is provided with at least one pin holes, the first support leg frames are provided with retractable positioning pins matched with the pin holes, and the second support leg frames can rotate around the first support leg frames so that the foldable walking aid can be folded transversely and longitudinally; the space occupied by the foldable walking aid is greatly reduced, and transportation and carrying are facilitated.

The invention discloses ricinine water-dispersible granules and a preparation method therefor. The ricinine water-dispersible granules contain the ingredients in percent by mass: 1-50% of ricinine, 5-20% of wetting agent, 5-25% of disintegrating agent, 5-10% of dispersing agent, 1-8% of binder, 0.5-6% of antifoaming agent and the balance of filler. The ricinine water-dispersible granules are prepared through uniformly mixing all the ingredients according to the mass percents of all the ingredients, crushing the mixture into powder by a jet mill, and then, carrying out granulating, drying and sieving. The ricinine water-dispersible granules and the preparation method therefor have the advantages that after the water-dispersible granules are prepared from ricinine, on one hand, the storage and transportation of ricinine pesticides are facilitated, and on the other hand, due to an environment-friendly preparation form, environmental pollution is reduced, and environmental protection is facilitated. Besides, the ricinine water-dispersible granules disclosed by the invention have the characteristics of high disintegrating speed, good dispersity and little environmental pollution.

The invention discloses a sand suction and mud suction circulation launching device, and relates to the technical field of sand suction and mud suction devices. The sand suction and mud suction circulation launching device comprises a chassis, a suction mechanism, an auxiliary mechanism, a water jet scalpel mechanism and mud discharge mechanisms, wherein telescopic rods are fixed to the edge of the upper surface of the chassis at equal intervals, the suction mechanism is arranged in the center between the chassis and a supporting disc, the auxiliary mechanism is installed on the edge of the upper portion of the supporting disc and composed of a unit ladder block, a through pipe, a through net, a ring pipe and an injection pipe, the water jet scalpel mechanism is arranged in the center of the upper portion of the supporting disc, and the mud discharge mechanisms penetrate through positioning sleeves. According to the sand suction and mud suction circulation launching device, the water jet scalpel mechanism is assisted through the auxiliary mechanism, so that mud and sand can be quickly scattered after passing through a mud passing net, on one hand, the operation pressure of the water jet scalpel mechanism is reduced, and on the other hand, a large amount of mud and sand cannot be left at dead corners around the water jet scalpel mechanism, complete output of the mud and sand canbe guaranteed, and the mud and sand conveying efficiency is improved.

The invention relates to the technical field of household articles, and discloses a multifunctional hat and coat stand. The multifunctional hat and coat stand comprises: a base, which is provided with a first threaded hole and a plurality of second threaded holes, wherein the first threaded hole is located in the middle of the base, and the second threaded holes are distributed in the circumferential direction of the first threaded hole; a first supporting rod, which is detachably connected to the first threaded hole; and a second supporting rod, which is detachably connected with the second threaded holes or the first supporting rod. Through different combination modes of the second supporting rod, the first supporting rod and the base, the multifunctional hat and coat stand can be used as a clothes hanger or a bench besides being used as the hat and coat stand, so the situation that the hat and coat stand is single in function is avoided, and the application range of the hat and coat stand is widened; and in addition, the base, the first supporting rod and the second supporting rod are detachable, the size of the stand is reduced during storage of the stand, and transportation is facilitated.

The invention discloses a lifting and moving device for disaster relief. The lifting and moving device comprises a lifting platform, a control platform and a pulling mechanism, wherein a hydraulic prying device and at least two hydraulic lifting devices are arranged on the lifting platform; the hydraulic prying device is fixedly arranged on the lifting platform; the hydraulic lifting devices are connected with the lifting platform through movable mechanisms; a hydraulic control system, a pneumatic control system and a pneumatic lifting pad are arranged on the control platform; the hydraulic control system is separately in pipeline connection with the hydraulic prying device and the hydraulic lifting devices; the pneumatic control system is in pipeline connection with the pneumatic lifting pad; and one end of the pulling mechanism is connected with the lifting platform, and the other end of the pulling mechanism is connected with the control platform. The lifting and moving device for disaster relief not only can lift a collapsed building, but also can move the collapsed building, so that next-step relief is conveniently implemented.

The invention provides a building construction building material transporting device. The building construction building material transporting device comprises a base, a rotary support base, a take-upwheel, a wheel locking hole, a carrying box, a slider, a wire tensioning shaft, an edge groove, an inner lock groove and clamping blocks, wherein one side of the top of the base is provided with a square groove inside which a base connecting ladder is movably arranged through a rotating shaft, and the bottom of the base connecting ladder is set into an extensible structure through a jackscrew; the top of the base connecting ladder and the top of an extending ladder are provided with square inserts, and the square inserts at the outer end are provided with screw holes. By means of the extending ladder, the building construction building material transporting device achieves splicing capacity, and through a splicing manner, can increase the length limitlessly to adapt to different heights during application; the extending ladder can be directly applied to being climbed by workers; the square inserts and the square grooves can be matched with bolts to greatly increase stability between the extending ladder and splicing units on both sides and further enhance the safety performance during application.

The invention discloses a transportation device capable of climbing stairs, which comprises a box body and a plurality of lifting universal driving devices arranged on the box body, the lifting universal driving devices are horizontally connected with the box body in a sliding manner, and each lifting universal driving device comprises a mounting seat and a supporting driving wheel capable of vertically lifting and horizontally rotating; according to the transportation device capable of climbing the stairs and the stair climbing method thereof, manpower can be replaced to climb the stairs, thelogistics transportation efficiency is improved, the labor cost is saved, and the user experience is improved.