49results about How to "Reduced support area" patented technology

The invention discloses a flexible connecting mechanism which comprises a fixed supporting piece, mobile supporting pieces slidably or rotatably connected with the fixed supporting piece and a flexible piece. The flexible piece can be bent and can cover on the fixed supporting piece and the mobile supporting pieces, and at least one end of the flexible piece is slidably connected with the fixed supporting piece or the mobile supporting pieces. According to the flexible connecting mechanism, the area of supporting to the flexible piece can be changed through relative sliding or rotating of the fixed supporting piece and the mobile supporting pieces, and when the flexible piece is a flexible screen or is used for arranging a part of the flexible screen, the display area can be changed by changing the supporting area so that the size of the screen of electronic equipment can be flexibly changed according to different use needs, and the diversified use needs of a user are met. The invention further provides the electronic equipment provided with the flexible connecting mechanism.

A display device lighting unit reduces the necessary number of parts and prevents deviations in the assemblage thereof, and thus improving display quality and shock resistance. The display device comprises a light source lamp and a lamp holder which has one or more of the following four features: (1) the lamp holder comprises a plurality of supporting members at least partly integrated, (2) the light source lamp has a curved portion and is supported by supporting members of the lamp holder at least partly at the respective curved portions, (3) projections, depressions for reducing the supporting area of the supporting members of the lamp holder, (4) means for fixing the lamp holder within the display device lighting unit after the fixation of light source lamp on the supporting members of the lamp holder, at least one fixing member having a structure resulting from division into two.

The invention relates to the technical field of steel casting heat treatment, and in particular relates to a large thin-wall revolving body type steel casting heat treatment fixture and an application method thereof. The large thin-wall revolving body type steel casting heat treatment fixture comprises two or more than two layers of a plurality of radial pull ribs which are arranged in a revolving body for supporting the inner wall of the revolving body, the radial pull ribs of each layer are crossed and fixed in the revolving center of the revolving body, perpendicular supporting rods are arranged between adjacent cross points of the upper and lower radial pull ribs and below the cross points of the radial pull ribs on the lowermost layer, the radial pull ribs are fixed with the inner wall of the revolving body in a spot welding mode, and the radial pull ribs are fixed at an intersection part in the center of the revolving body in a welding mode. By adopting the heat treatment fixture and the application method disclosed by the invention, the deformation quantity of thin-wall castings in heat treatment can be reduced, working procedures of the castings after heat treatment can be simplified, the production efficiency of the castings can be improved, and the production cycle can be shortened.

The invention discloses a concrete pump truck which comprises an underpan and upper loading. The upper loading comprises a boom system and middle components arranged between the underpan and the boom system. The concrete pump concrete is characterized in that the underpan is rotatably connected with the middle components, and the gravity of the underpan and/or the middle components deviates from the rotation central line of the underpan and the middle components. Under the condition of not adding an additional counterweight, the concrete pump truck uses the underpan and/or the middle components of the pump truck as the counterweight to flexibly adjust the gravity of the pump truck to increase the stability of the pump truck. After the gravity is adjusted, a support area needed is reduced, and therefore the length of the stretching-out parts of the support legs of the pump truck can be effectively reduced, and accordingly the occupied construction site space of the support legs is reduced. Or, under the condition that the length of the support legs of the pump truck is insufficient, a truck body is prevented from turning over. Besides, due to the fact that the length of the support legs of the pump truck can be shortened, producing cost can be reduced, and the weight of the integral truck is reduced.

The invention belongs to the technical field of defective concrete reinforcing and relates to a concrete supporting replacement structure and a method for performing defective concrete replacement applying the concrete supporting replacement structure. The concrete supporting replacement structure comprises a plurality of combined supporting racks and horizontal connection parts for connecting thecombined supporting racks together. The defective concrete replacement method comprises the steps that stepA, holing is performed in specified positions; stepB, top horizontal beams and bottom horizontal beams are installed; stepC, beam supporting brackets are installed; stepD, bracket vertical columns are installed; stepE, the horizontal connection parts are installed; stepF, concrete is chiselled away; stepG, a template is supported and arranged; stepH, concrete pouring is performed; stepI, the template is removed; stepJ, deformation monitoring is performed; and stepK, the supporting replacement structure is removed. By means of the concrete supporting replacement structure and the method for performing the defective concrete replacement applying the concrete supporting replacement structure, in-situ concrete structural replacement can be performed under the premise of not damaging or changing the building structural appearance, and the defective concrete structural safety problem is solved.

The invention discloses a conveying belt type egg washing machine. The conveying belt type egg washing machine comprises a water storage tank, a conveying belt, a placement rack, a plurality of brushplates and water tube, wherein a plurality of rotating seats are equidistantly fixed on the conveying belt in the length direction; a supporting table is fixed on the tops of the rotating seats; the placement rack is arranged on the top of the supporting table and is a rack structure surrounded by a plurality of supporting rods; grooves are symmetrically formed in walls on two sides of the water storage tank; the brush plates which are arrayed in a rectangular manner are densely arranged in the grooves; the brush plates are connected with inner groove surfaces of the grooves through elastic connectors; gears are fixed on the periphery of the supporting table; straight racks are symmetrically mounted on walls of two sides of the water storage tank and correspond to the gears; the water tubeis arranged above the water storage tank; and the bottom of the water tube is equidistantly connected with a plurality of sprayers in the length direction. The egg washing machine can clean outer surfaces of egg shells in all directions, and is good in cleaning effect. Meanwhile, the egg washing machine is simple in structure and low in cost.

The invention discloses a microelectromechnical piezoelectric ultrasonic transducer with a special modal shape. The transducer is provided with a substrate, a structural layer, a bottom electrode, piezoelectric layers and top electrodes. An operating principle of the transducer is to convert mechanical energy to electric energy or the electric energy to the mechanical energy by using direct and inverse piezoelectric effects. According to the transducer, the special modal shape is achieved by achieving a special vibrational structure on the structural layer, and the shape has higher emission sound pressure and higher space utilization efficiency.

The invention relates to the technical field of processing methods of tea and specifically relates to a preparation method of camellia arborescens. The preparation method comprises the following steps: (A) a spreading step: dispersing and layering freshly picked tea leaves, and allowing the tea leaves to stand in a ventilated environment of 15-20 DEG C for 2-3 hours; (B) a fixation step: putting the tea leaves subjected to spreading into a fixation device, and performing fixation, wherein the temperature of fixation is maintained at 280-300 DEG C and the fixation time is 5-7 minutes; (C) a rolling step: rolling the tea leaves subjected to fixation; and (D) a drying step: putting the rolled tea leaves into a drying device and performing drying, wherein the drying temperature is 70-80 DEG Cand the drying time is 50-60 minutes. In the rolling step, a rolling device is used for rolling the tea leaves, a press plate mechanism for applying rolling pressure on the tea leaves is arranged on the rolling device, and in the rolling process of the tea leaves, the tea leaves are subjected to light pressure, heavy pressure and light pressure sequentially. The preparation method of the camelliaarborescens solves the problem of poor rolling effect of the tea leaves in preparation of tea in the prior art.

The invention discloses a lead-acid storage battery grid edge cutting tool. The problem that due to the fact that the two side faces of a lead-acid storage battery grid are of a planar structure, connection firmness of the surface of the grid of the planar structure and active materials is poor is solved. The lead-acid storage battery grid edge cutting tool comprises a supporting base and a movable pressing base, a plurality guiding columns are connected to the supporting base and movably connected to the two ends of the movable pressing base in a sleeving mode, a driving mechanism pushing the movable pressing base to move vertically is connected to the movable pressing base, the two opposite side walls of the movable pressing base are each fixedly connected with a cutter, a pressing plate is arranged at the position, close to each cutter, below the movable pressing base, a plurality of connecting columns are fixedly connected to the upper surface of each pressing plate, the connecting columns are movably connected to the movable pressing base, a spring is connected between a connecting column upper pressing plate and the movable pressing base in a sleeved mode, the lower surface of each pressing plate is an indentation forming face which presses the upper surface of the grid to be rugged, and the indentation forming faces are arranged below the cutters.

The invention belongs to the field of electric power cabinets, and particularly relates to an energy-saving heat dissipation type high-low voltage power cabinet which comprises a bottom plate. The upper surface of the bottom plate is fixedly connected with a cabinet body, the front face of the cabinet body is movably connected with a front cover plate, and the upper surface of the cabinet body is fixedly connected with a sunshade roof. According to the energy-saving heat dissipation type high-low voltage power cabinet, an arc-shaped plate is arranged, when external airflow passes through, the arc-shaped plate guides cold air at the bottom upwards, according to the Bernoulli principle, the baffle plate is opened under the pressure difference effect, the density of the cold air is larger than that of hot air, the cold air naturally sinks, the external airflow pushes the cold air to flow out of the rectangular grooves; under the action of the inclined plate, the cold air rises, the cold air absorbs heat and expands in the equipment, the hot air naturally rises and flows out from the bottoms of the cooling fins, heat in the equipment is taken out accordingly, the temperature in the equipment is controlled through flowing of air inside and outside the electric power cabinet, and the problem that the temperature in a traditional electric power cabinet is prone to being accumulated and rising is solved.

The invention discloses a tip cone type bench vice, which comprises a bench vice body, a transmission screw rod, a movable clamping table and a rotary wrench, wherein the bench vice body is provided with front and back baffle plates; multiple segments of grooves are formed by running through the bottom of the bench vice body; a lifting bar is arranged in each groove; a plurality of tip cones of the same lengths are distributed uniformly on the upper surface of each lifting bar. Compared with the prior art, the tip cone type bench vice has the advantages that gaskets of the same thicknesses can be arranged below the two ends of multiple rows of lifting bars, the tip cones are used for supporting a workpiece together, and the contact areas between the tip cones and the workpiece are small, so that the problem of influence on the balance of the gaskets caused by a large amount of scrap iron in the bench vice is solved. Moreover, the rows of lifting bars can be used selectively, so that the use of gaskets of different sizes is avoided, and greater convenience is brought to use.

The invention relates to an attachment of a vacuum cleaner for cleaning a floor, comprising a housing (2) with a suction mouth (4) formed in the housing (2), with a suction chamber (6) formed in the housing (2), with a rotatable brush roller (10) and with a transmission mechanism box (12), wherein the suction chamber (6) and the suction mouth (4) are fluidly connected, wherein the brush roller (10) has a roller body (13) and filaments (14) and wherein the brush roller (10) is arranged on the transmission mechanism box (12). The technical problem of providing an attachment with which both hardfloors and carpets can be cleaned in a reliable and comfortable manner is solved in such a way that the transmission mechanism box (12) is supported in the housing (2) rotatably about a substantiallyhorizontal axis (X), that a measuring device (16) is provided which obtains the sinking depth of the housing (2) into a floor to be cleaned, in particular into a carpet to be cleaned, and that an adjustment device (18) is provided which swings the transmission mechanism box (12) according to the measuring device (16).

The invention discloses a steel belt reel discharging device, a using method of the steel belt reel discharging device and a grinding miller and belongs to the field of grinding machines. The steel belt reel discharging device comprises a pedestal, a rotary shaft, a rotary disc and a clamping mechanism; the rotary shaft is installed in the pedestal through a belt seat bearing, and the rotary disc is fixed to the middle of the rotary shaft; the clamping mechanism comprises an adjusting screw rod, an adjusting guiding sleeve, connecting rods and at least three clamping blocks; the other end of the rotary shaft is sleeved with the adjusting guiding sleeve, and the adjusting guiding sleeve can move in the axial direction of the rotary shaft; one end of the adjusting screw rod stretches into an axial center hole in the other end of the rotary shaft and is axially limited, and the other end of the adjusting screw rod is in threaded connection with the adjusting guiding sleeve; and the clamping blocks are evenly distributed on the rotary disc in the radial direction of the rotary shaft, and each clamping block is connected with the adjusting guiding sleeve through one corresponding connecting rod. The device can support an ink scraper steel reel, and scrapers can be constantly conveyed to conduct grinding machining. The grinding miller is provided with the steel belt reel discharging device, so that grinding machining of surfaces and cutting edges of flexible steel belts such as the ink scrapers is completed.

The invention discloses a manned lifting platform for operation and maintenance of a transformer substation, and belongs to the field of lifting platforms. The platform comprises a base, wherein transverse shafts are rotatably arranged on the front, rear, left and right sides of the periphery of the base correspondingly, incomplete gears are fixedly arranged at the lower ends of the transverse shafts, worms are arranged on two sides of the incomplete gears and rotatably arranged on the base, gears are fixedly arranged at the lower ends of the worms, the gears can be meshed and matched with thecorresponding incomplete gears correspondingly, worm gears are arranged on one sides of the worms in a meshed and matched mode, the inner peripheries of the worm gears are fixedly connected with theouter peripheries of nuts, lead screws are arranged in the nuts in a threaded mode, the inner sides of the nuts are rotationally connected with the outer ends of transverse pipes through bearings, theinner ends of the lead screws can only move inwards and outwards in the transverse pipes, the transverse pipes are fixedly connected with the base. The lifting platform is simple in structure and ingenious in conception, supporting legs do not need to be folded and unfolded, the outward extending distance of the supporting legs can be automatically adjusted by the supporting legs according to therising height of the lifting platform, and therefore the supporting area can be increased along with rising of the lifting platform.

The invention provides a bed transfer slider and belongs to the field of medical appliances. The bed transfer slider comprises a base plate, wherein the base plate is a rectangular plate made from a carbon-fiber material, one face of the base plate serves as a load-bearing face, the other face of the base plate serves as an antiskid face, and two opposite side edges of a width direction of the base plate are separately bent towards the antiskid face to bent parts. According to the bed transfer slider, the stability of the bed transfer slider during use is guaranteed, meanwhile, the difficulty of cleaning of the bed transfer slider is lowered, and the bed transfer slider can be cleaned and disinfected rapidly.