61results about How to "Reduce load-bearing pressure" patented technology

The invention discloses a substrate conveying device and relates to mechanical equipment used in the displayer manufacturing process. The substrate conveying device aims to avoid shutdown of equipment. The substrate conveying device comprises a substrate conveying unit, a supporting unit and a driving unit. The substrate conveying unit is arranged in the horizontal direction, one end, in the horizontal direction, of the substrate conveying unit is a hinging end, and the other end of the substrate conveying unit is a free end; the supporting unit is located below the substrate conveying unit and is fixed; the driving unit is connected with the substrate conveying unit and is used for driving the substrate conveying unit to move in the vertical direction; when the substrate conveying unit descends, the bottom of the substrate conveying unit makes contact with the top of the supporting unit and rotates with the contact point of the substrate conveying unit and the supporting unit as the center so that the substrate conveying unit can incline. The substrate conveying device is mainly used for conveying substrates.

Disclosed are a coaxial two-propeller reverse rotor wing mechanism and an aircraft thereof. The coaxial two-propeller reverse rotor wing mechanism comprises an upper propeller, an upper rotor wing shaft, an upper cone gear, a lower propeller, a lower rotor wing shaft and a lower cone gear. The upper propeller is fixed at the upper end of the upper rotor wing shaft. The upper cone gear is fixed at the lower end of the upper rotor wing shaft in a sleeving mode. The lower propeller is fixed at the lower end of the lower rotor wing shaft. The lower cone gear is fixed at the upper end of the lower rotor wing shaft in a sleeving mode. The upper rotor wing shaft shares the same axis with the lower rotor wing shaft. The upper rotor wing shaft and the low rotor wing shaft are arranged in an over-the-air mode. The upper propeller is a variable pitch propeller. The upper propeller controls variable pitch through a variable pitch assembly. According to the coaxial two-propeller reverse rotor wing mechanism, angular momentum is low, machine arm shaking is low, flying of the aircraft is more flexible, and the wind resistance is high.

The invention provides to an aqueous fire board marble simulation paint, a preparation method and a construction method thereof, and relates to a coating material and a use method thereof. The aqueous fire board marble simulation paint is prepared from water, an emulsion, a film-forming additive, a wetting agent, a defoamer, propylene glycol, a preservative, a multifunctional additive, a thickener aqueous solution, rock sheet and color sand. The preparation method comprises three steps such as dispersion preparation, base paint preparation and aqueous fire board marble simulation paint preparation. The construction method comprises five steps such as base layer treatment, prime coat brushing, middle coating spraying, aqueous fire board marble simulation paint spraying, and top coat brushing. According to the present invention, the process is simple, the product system is system, the construction is simple and quick, the aqueous fire board marble simulation paint has the granite effect, and the limitations of cumbersome color blending, complex process, instable product system and high construction difficulty of the water-in-water multi-color coating material; the difficult problems of high cost, low safety factor and the like of the granite and the marble are overcome; and the disadvantages of easy pollution, color blur, low simulation and the like of the stone paint are solved.

The invention discloses a cabinet door plate. The cabinet door plate comprises a base plate, a liner plate and a back plate, wherein the liner plate is arranged on the front face of the base plate through an adhesive, the back plate is arranged on the back face of the base plate through the adhesive, and the base plate comprises a plurality of base plate blocks which are finger-connected in length and spliced in width; the cabinet door plate further comprises a real leather ornament layer fixedly arranged on the liner plate through the adhesive; the base plate blocks are rectangular, and each base plate block comprises a pair of opposite base plate battens; each base plate batten is in an L shape and comprises a short batten part and a long batten part which are perpendicular each other; the end portions of the long batten parts abut against the inner sides of the short batten parts in each pair of base plate battens; and the real leather ornament layer comprises a plurality of ornament single pieces spliced in the length direction of the liner plate, and an included angle from 30 degrees to 45 degrees is formed between each of the two side edges and the surface of each ornament single piece. The cabinet door plate has the beneficial effects of being light and stable.

The invention discloses a modular floor heating structure and a construction method thereof. The modular floor heating structure comprises a bottom layer, a middle layer and an upper layer. The bottom layer comprises a floor keel achieving a supporting effect and a floor heating module achieving a heat preservation effect. The floor keel and the floor heating module are laid in a spaced mode. The floor heating module is provided with a floor heating pipe laying groove. A floor heating pipe is laid in the floor heating pipe laying groove. The middle layer is laid on the bottom layer and is a fiber concrete plate. The upper layer is laid on the middle layer and is a floor tile. The modular floor heating structure is laid on the site by adopting prefabricated module materials and is fast in laying construction, low in cost, standard in laying and capable of effectively ensuring the construction quality each time. The heat preservation bottom layer is composed of the floor keel and the floor heating module which are laid in the spaced mode, and the problem that heat preservation and supporting cannot be simultaneously combined is solved.

The invention relates to the technical field of lifting, in particular to a jib-telescopic material lifting device with simple structure, capable of conveniently relieving the bearing pressure of a jib in rotation with a lifted material and without occupying more space. The jib-telescopic material lifting device comprises a base; a turntable capable of rotating is mounted on the base; a jib is fixedly mounted on the turntable; a guide groove is formed in the head part of the jib; a lifting rod capable of moving is mounted in the guide groove; one end of the lifting rod is connected with the inner wall of the guide groove through a spring, and the other end of the lifting rod is exposed out of the guide groove and provided with a guide wheel; the spring is located in a compression state; a lifting winch matched with the guide wheel is mounted at the upper end of the jib; one end of a lifting rope is connected with the lifting winch, and the other end of the lifting rope is connected with a lifting hook after penetrating through the guide wheel; a stretching wheel is mounted at the side part of the lifting rod; a stretching winch matched with the stretching wheel is mounted at the side part of the jib; and one end of a stretching rope is connected with the stretching winch, and the other end of the stretching rope is fixedly connected with the jib after penetrating through the stretching wheel.

The invention discloses an underfloor heating assembly. The underfloor heating assembly comprises a plurality of heat preservation plates laid on the ground, rhombus connection pieces arranged on theheat preservation plates and a plurality of panels connected to the upper portions of the rhombus connection pieces. Every two adjacent heat preservation plates are connected together in an inserted mode, a water pipe groove used for storing a water pipe is formed in the upper surface of each heat preservation plate, and the water pipes are stored in the water pipe grooves correspondingly. A connection groove used for storing each rhombus connection piece is formed in the upper surface of each heat preservation plate, each rhombus connection piece is correspondingly assembled in the corresponding connection groove, and every two adjacent rhombus connection pieces are connected together. The invention further discloses a paving method of the underfloor assembly. The self weight of the underfloor assembly is low, the bearing pressure of a floorslab is reduced, plate type industrialized production and rapid mounting are achieved, the construction efficiency is improved, the heat dissipation quantity is large, the temperature can be increased rapidly, and the requirement for rapid heating is met.

A co-rotating rotor mechanism provided with co-shaft double propellers comprises an upper propeller, a lower propeller, a rotor shaft and a rotating component, wherein the upper propeller and the lower propeller are fixed at the upper end and the lower end of the rotor shaft respectively; the rotor shaft is fixedly sleeved with the rotating component which is located between the upper propeller and the lower propeller; the upper propeller is a variable-pitch propeller, and pitch variation of the upper propeller is controlled by a pitch varying assembly. The invention further provides an aircraft. The aircraft has the advantages that the structure is simplified, own weight is reduced, lift and loading capacity are improved, and agility and stability are improved.

The invention discloses a satellite-type vacuum film depositing system. The satellite-type vacuum film depositing system comprises of a plurality of operating cavities which are in tube connection, wherein each operating cavity includes a transferring chamber, two coevaporation depositing chambers, three magnetic control sputtering chambers and a sample storing chamber; each operating cavity is provided with a vacuum pump set used for maintaining the cavity vacuum degree, the transferring chambers are located on the central position of the whole system, the other operating cavities are arranged on the peripheries of the transferring chambers at equal intervals in a surrounding mode and are all in tube connection with the transferring chambers, and gate valves are used for separating; and asample conveying mechanism is arranged in the system, and machined samples are conveyed among the operating cavities under the action of the sample conveying mechanism. According to the satellite-type vacuum film depositing system, the technical effect on the different epitaxial films which are prepared on substrates in the system is realized, the experiment cost and time cost of sample transferring and preparing among the different devices are lowered, and the preparing efficiency is improved remarkably.

The invention discloses a waterborne fire board marble paint. The paint is prepared from, by weight, 400-500 parts of glass beads, 100-150 parts of ultrathin resin composite flakes, 15-30 parts of inorganic gel, 120-200 parts of a silicone acrylic emulsion, 0.5-2 parts of an anti-settling agent, 200-300 parts of water, 0.5-1 part of a sterilization agent and 0.5-1 part of a defoaming agent. The waterborne fire board marble paint is reasonable in formula and stable in product system, serves as substitutes of granite and marble and is also an upgraded and updated product for conventional naturalstone paint. The waterborne fire board marble paint is stable in product system and good in quality, and the layering phenomenon is avoided; the problems are solved that the granite and the marble are high in cost, low in safety coefficient and the like; the defects are thoroughly overcome that the natural stone paint causes contamination easily, and is blurry in color, low in simulation degree and the like. The waterborne fire board marble paint can be widely suitable for top-grade buildings such as hotels, office buildings, government projects and various buildings.

The invention discloses an LED lamp outer shell. The LED lamp outer shell comprises a plastic outer shell; a heat conducting plastic insert is embedded in the inner side of the plastic outer shell; and the plastic outer shell and the heat conducting plastic insert are of an integral structure through injection molding. The LED lamp outer shell is excellent in heat dissipating effect and low in weight.

The invention discloses a three-dimensional dustproof device comprising a first support frame, a second support frame, screen cloth and a driving motor. A cross beam is arranged in the middle of the first support frame; a control box electrically connected to the driving motor is arranged on the cross beam; three balance weight wheels are arranged at the top of the top cross beam of each of the first support frame and the second support frame, a guide wheel set is arranged between every two balance weight wheels of the top cross beam of the first support frame, and a guide wheel matched with the corresponding guide wheel set is arranged between every two balance weight wheels of the top cross beam of the second support frame. The three-dimensional dustproof device has the following advantages: the driving motor operates to drive the screen cloth to unfold along with the steel wires; the screen cloth can shield the upper portion of a construction site, dust is prevented from flying outof the construction site and environmental protection and health of constructors are facilitated: meanwhile, the screen cloth can achieve the sun-shading effect, sunburn of the constructors is avoided, the bearing pressure of the light steel structure frame can be relieved by additionally arranging the balance weight device and safety is greatly improved.

The invention provides a decorative plate with heat preservation and thermal insulation. The decorative plate comprises a plate body, the plate body comprises a decorative plate base material and a thin film layer, the decorative plate base material comprises a gypsum plate layer and an aluminum alloy metal layer, the gypsum plate layer comprises an upper surface and a lower surface, the upper surface is provided with an aluminum alloy metal layer, the thin film layer is laid on the surface of the aluminum alloy metal layer, supporting columns are arranged in the gypsum board layer, are of a cylindrical I-shaped pier base structure, are spaced for a certain distance and are distributed in a rectangular array mode, cavity structures are formed among the supporting columns, the cavities arefilled with a heat preservation and thermal insulation material, the thin film layer comprises decorative film, an anti-static layer, a fire retardant layer and a waterproof layer, and the waterprooflayer is titanium dioxide thin film. The decorative plate has high heat preservation and thermal insulation, compared with the prior art, the space occupied by the decorative plate is reduced, the fire resistance and the self-cleaning capacity of the overall decorative plate can be comprehensively improved, and then the using range of the decorative plate is expanded.

The invention relates to dry powder ceramsite concrete which is characterized by comprising the following components of 140-175 parts of cement, 100 parts of coal ash, 420-440 parts of yellow sand and 285-340 parts of ceramsite according to parts by weight. The grain size of the yellow sand is 3 to 15 cm, and the fineness modulus of the yellow sand is 2.4-3.0. The dry powder ceramsite concrete has the following advantages that: (1) the ceramsite is kept in a good condition and is not easily broken during the construction and the quality of the ceramsite concrete is guaranteed; (2) the dry powder ceramsite concrete is constructed by a minitype pumping machine when transported to the construction site, so that the bearing pressure of the construction site is greatly reduced, meanwhile, the labor is also saved, and the construction is relatively convenient; (3) the dry powder ceramsite concrete is added with water on the site and stirred so as to be stirred more uniformly, so that the dry powder ceramsite concrete can be freshly made while stirred, and the construction is facilitated.

The invention discloses a full-natural-lighting large-span crystal palace dome system. The full-natural-lighting large-span crystal palace dome system comprises a dome body, a lighting system, a water-storage weight reduction system and a projection system, wherein the lighting system comprises multiple lighting holes formed in the top of the dome body; the water-storage weight reduction system isembedded below the lighting holes, and comprises multiple hollow multi-interlayer water storage devices, water inlets and water outlets are formed in the water storage devices, and the adjacent waterstorage devices are connected through flexible pipes; the water storage devices are communicated with a water supplying device, the water inlets and the water outlets of the water storage devices arecommunicated with a water supplying pump and a water draining pump respectively, and projection systems are arranged in center holes of the water storage devices. The dome system can safely and stably meet the diurnal natural-lighting illumination requirement; a bearing load of a dome is reduced through the water-storage weight reduction system, and a static-and-dynamic-imitating projection effect is conveniently formed through the projection system; through a controller, according to the detection signals of an illumination-intensity measuring instrument, the water storage thickness in the water-storage weight reduction system is changed, and automatic adjustment of the dome illumination intensity is achieved.

The invention discloses a light compensation device for submerged plants. The light compensation device comprises surrounding fixed piles and a central fixed pile. The bottom ends of the central fixedpile and the surrounding fixed piles are fixed at the bottom of a lake, the outer wall of the central fixed pile is provided with a central lifting device, the central fixed pile is flexibly sleevedby a pile cap which is connected with a lifting portion of the central lifting device, the pile cap is connected with a stainless steel bracket, the bottom side of the stainless steel bracket is provided with a floating plate, and the top of the stainless steel bracket is provided with a solar panel and an electromechanical control box. The light compensation device of the invention can utilize buoyancy force to reduce the bearing pressure of the surrounding fixed piles and the central fixed pile, also can adapt to the change of the water level of a water body, and can also prevent horizontalrotation of a solar power generating device to enable the solar panel to remain at an optimal angle for receiving light.

The invention discloses a novel plate chain bucket elevator. The elevator comprises a shell, wherein two pairs of driving wheels and lifting wheels are arranged in the shell; a lifting chain is connected between the driving wheel and the lifting wheel which belong to the same pair in a closed manner; the driving wheels and the lifting wheels are gearless; each lifting chain comprises a plurality of chain links which are hinged with one another through a connecting structure; each chain link comprises two inner chain plates which are arranged oppositely and at least two connecting pipes which are fixedly connected with the two inner chain plates; the surfaces of the connecting pipes are in friction fit with the wheel surfaces of the driving wheels or the lifting wheels; and a hopper which is positioned between the two lifting chains is fixedly arranged on the connecting structure. Because the number of the connecting pipes in the lifting chains is large, and the distance between the connecting pipes is controllable, large friction force can be generated between the lifting chains and the driving wheels, and the lifting chains cannot slip in the running process. Meanwhile, the hopperis arranged between the two lifting chains, so that the equipment is compact in structure and small in size.

The invention discloses an impatiens balsamina pod harvesting bag. The impatiens balsamina pod harvesting bag comprises a front end part and a rear end part, the front end part is in a hollow cylindrical shape, the front end part is made of a hard transparent material, and a fixing wire is arranged at the front end part; the rear end part communicates with the front end part, the rear end part is in a long cylinder shape, and the tail end of the rear end part is closed. The materials of the products are light and easy to obtain, the bearing pressure of the pedicels can be reduced to the maximum extent, and the pedicels are prevented from being broken by pressing; when the harvesting bag is used for carrying out pollination and bagging work of impatiens balsamina plants, it is only required that flower stigmas are aligned with the front end part to be fed in, and then the harvesting bag is fixed to a pedicel through a galvanized iron wire with plasticity at the front end part; the whole process is convenient and fast, and the bagging efficiency is effectively improved; and meanwhile, the front end part provides a supporting space, so that the loss caused by friction to the stigma in the bagging process can be reduced, and the overall success rate of pollination can be increased.