71results about How to "Lightweight" patented technology

The invention relates to an oil feeder, in particular to a monitorable signaling type quantitative electromagnetic oil feeder which solves problems of time and labor wastage, poor reliability, cumbersome size, easiness in damage and the like of an existing electromagnetic oil feeder. The monitorable signaling type quantitative electromagnetic oil feeder comprises a valve block, a main piston, an upper plunger cavity and a lower plunger cavity; an oil inlet, an upper oil outlet and a lower oil outlet are arranged on the valve block; a two-position three-way electromagnetic valve is arranged on the valve block, a vertical output oil duct, an upper transverse control oil duct and a lower transverse control oil duct are arranged inside the valve block, the upper transverse control oil duct is communicated with the upper plunger cavity, and the lower transverse control oil duct is communicated with the vertical output oil duct and the lower plunger cavity; and a non-permeability joint and a Hall proximity switch are assembled on the top of the valve block, the main piston comprises a piston body and a non-permeability plunger rod, and a return spring is sleeved on the non-permeability plunger rod. The monitorable signaling type quantitative electromagnetic oil feeder is reasonable in structure and high in reliability, a lubrication state of a friction pair is precisely monitored, the service life of the oil feeder and the service life of the friction pair are prolonged, the lubricating oil consumption and the maintenance cost are saved, and the monitorable signaling type quantitative electromagnetic oil feeder is wide in application range.

A composite straw (or stalk)-plastics board is composed of a core board made of the straw or stalk of agricultural crops and with two adhesive layers on its both surface, and two veneers adhered respectively onto said two adhesive layers. Said veneer is chosen from high-density plywood, polyhydroamine solution immersed paperboard, and PCC plate. Said adhesive is chosen from MVF adhesive, high-adhesion emulsion adhesive and universal adhesive.

The invention provides a gear shifting type constant torque tapping mechanism, which comprises a machine frame, wherein the lower part of the machine frame is connected with a base; the inside of themachine frame is provided with a main shaft driven by a handle; the lower part of the main shaft is provided with a drill chuck; and the inside of the drill chuck is provided with a screw tap. The gear shifting type constant torque tapping mechanism is characterized in that: the machine frame comprises a vertical slide plate pair which fixes the main shaft by a pull rod; the main shaft comprises an upper main shaft and a lower main shaft which are movably connected; the handle is connected with the upper main shaft; a shell is arranged between the middle part of the upper main shaft and the middle part of the lower main shaft by an upper cover plate and a lower cover plate; the outside of the upper main shaft is provided with a friction moving plate which is contacted with a friction static plate by a friction connecting plate; the friction static plate drives the shell by a torsional gear shifting lock, the shell drives the lower main shaft, and the drill chuck is connected with the lower main shaft; the lower main shaft is provided with a central hole and an adjusting cavity which are communicated, and the inside of the central hole is provided with an adjusting bolt B of which the lower part is provided with a nut in the adjusting cavity; and a spring support is arranged outside of the lower main shaft and provided with a pre-pressing spring contacted with the friction moving plate.

The invention discloses a vertical type TeraHertz wave physical rehabilitation therapeutic instrument, which comprises an ascending and descending frame, a balancing mechanism, a TeraHertz wave generator, a translation lock disc and a ball wheel. An ascending and descending platform is arranged in the ascending and descending frame; the TeraHertz wave generator is arranged on the ascending and descending platform; the height can be freely regulated; the balancing mechanism is used for balancing the weight of the ascending and descending platform and the TeraHertz wave generator, so that the external force required by the moving is greatly reduced; a structure of the ball wheel and the translation lock disc is adopted, so that the fixation in any position and the portable moving of the whole therapeutic instrument are realized. The therapeutic function for realizing the precise butt joint between the TeraHertz wave therapeutic instrument and each position of the human body is fully realized; the high-quality guarantee is provided for the industrialized development of the TeraHertz wave physical therapy.

A small-size self-balancing electric unicycle comprises a hub speed reducer, an axle motor, an enclosure, an intelligent control box, a lithium battery case, left and right pedals and left and right rest cushions. The intelligent control box and the lithium battery case are arranged on left and right sides of the enclosure respectively. The wheel diameter of the electric unicycle is smaller than 14 inches, and the weight of the electric unicycle is smaller than 10 kilograms. By adoption of the hub speed reducer and the axle motor, an improved hub motor is formed with a large-size speed reduction mechanism in a hub and a small-size motor part on an axle to reasonably integrate an efficient secondary planetary gear speed-reducing mechanism and an efficient brushless motor, so that ideal goals of efficiency maximization and size and weight minimization of the whole electric unicycle are achieved. Compared with an existing electric unicycle, the small-size self-balancing electric unicycle which ingeniously makes use of the integral space has advantages of simple structure, excellent performances, low cost, small size, light weight and portability.

The invention discloses a deformable sofa bed. The deformable sofa bed comprises a pedestal; the pedestal is composed of a fixed pedestal and a movable pedestal; the fixed pedestal is composed of a supporting frame; the movable pedestal is composed of a supporting platform; the side surfaces of the supporting platform are surrounded by the supporting frame; adjacent surfaces of the supporting frame with the supporting platform are connected with slide rails; the slide rails are arranged in parallel with a moving direction of the movable pedestal; armrests are fixed on the left side and the right side of the pedestal; a backrest is connected with the back side of the pedestal via hinge connection; the backrest is divided into two layers, a front backrest and a back backrest; the left-right width of the front backrest is equal to that of the back backrest; the front backrest is connected with the back backrest via hinge connection; the surface of the supporting platform is provided with a cushion; the left side and the right side of the cushion are pressed firmly against the armrests on the two sides; and the back side of the cushion is pressed firmly against the backrest. The deformable sofa bed is light, is small in size, and is simple in structure; transformation between a seat state and a bed state is realized easily; complex operation is not needed; the parts are relatively light; and deformation is easy to realize.

The invention relates to an electromagnetic arm power exercising device. The electromagnetic arm power exercising device comprises a large arm bracket and a small arm bracket, wherein a power source and a controller are arranged on the large arm bracket; a guide rail is arranged between the large arm bracket and the small arm bracket; the large arm bracket and the small arm bracket are connected with the guide rail through slide buckles, and can be freely slide on the guide rail; adjusting modules are glidingly sheathed on the guide rail between the large arm bracket and the small arm bracket,and comprise permanent magnetic modules and an electromagnetic module, and the opposite poles of the adjacent permanent magnetic modules are opposite; the electromagnetic module is arranged between the adjacent permanent magnetic modules, and is electrically connected with the controller. The electromagnetic arm power exercising device has the advantages that the structure is novel and particular; the self weight is lighter, the transportation, carrying and posting are convenient, the exercising intensity can be intelligently and continuously adjusted according to the requirements of a user,the user can conveniently and scientifically keep fit, the applicability is broader, and the safety is higher.

The invention discloses a design method for a multi-steady-state deformable switch structure. The method comprises the following steps: (1) determining the plane shape of a composite material laminated plate according to an actual application environment; (2) determining the change of values of rectangular section area second moment of the laminated plate along the length direction according to the requirements of designed steady state values and the total length of the laminated plate; (3) inversely calculating the data of thicknesses of all the places of the laminated plate according to the values of the rectangular section area second moment and the determined width data; (4) equivalently discretizing the thickness data obtained from the step (3) considering the situation that the thickness of the single-layer fiber woven prepreg is set and cannot continuously change; (5) cutting the prepreg according to the obtained dimension data of the laminated plate, paving up according to the preset thickness and carrying out curing forming according to autoclave technology; and (6) performing displacement constraint on the stiffness-variable laminated plate with the aid of an auxiliary structure to finish the fabrication of the entire switch structure. The multi-steady-state deformable switch structure adopting the design method is light in weight, can achieve large deformation, and has enough stiffness to resist outside loads under steady state without additional support.

An occupant protection device includes (i) an electronic control unit having a control board, (ii) a parallel connection bus having two lines, (iii) multiple satellite sensors connected to the parallel connection bus, (iv) a squib connected to the parallel connection bus, and (v) an accident prevention diode located close to the squib. The control board includes an interface and a processor. Each of the satellite sensors includes a distributed system interface which is located between the two lines. The parallel connection bus is supplied with a sensor drive voltage. The electronic control unit starts to operate at least one of the occupant protection portions based on a result of the collision determination by the control board.

The invention relates to a test device of lens, and specifically relates to a hand-held blue ray filter out detector and a detection method which are applied for analyzing and testing the blue ray filter out ability. The hand-held blue ray filter out detector consists of a front end of main body, a middle portion of main body, and a rear portion of main body; the front end of main body, the middle portion of main body, and the rear portion of main body form a pistol-like shape; a groove is formed between the front end of main body and the middle portion of main body; a light source generator is arranged inside the front end of main body; a group of photoelectric diodes, a photoelectric signal receiving circuit, a photoelectric signal processing circuit, a control unit and a power supply circuit are installed inside the middle portion of main body; a digital display circuit and a trigger are installed inside the rear portion of main body. The hand-held blue ray filter out detector has the advantages of detachable bracket, calibration-free, battery-powered, small-volume, and 9V battery powered. Therefore, the hand-held blue ray filter out detector can be normally used without an external power supply. The hand-held blue ray filter out detector is characterized in portable.

The invention discloses a wing gate machine core which comprises a wing gate base, and a worm and gear speed reduction motor is arranged on the wing gate base. A crank is connected to the worm and gear speed reducing motor; the crank is connected with a connecting rod which is connected with a fin swing rod base through a rocker; the upper part of the rocker is connected with an electromagnet; thefin swing rod base is connected with a fin swing rod; the fin swing rod is connected with an outer fin; an inner fin is connected in the outer fin; an electromagnet sucker is connected to the fin swing rod; the electromagnet sucker is matched with the electromagnet; the fin swing rod base is connected with an inner fin C connecting rod; the inner fin C is connected with an inner fin connecting rod A shaft through an inner fin D connecting rod, and the inner fin connecting rod A shaft is connected with an inner fin A connecting rod through an inner fin B connecting rod; and the inner fin A connecting rod is connected with the inner fin. The wing gate machine core is compact in mechanical structure, simple and easy to install, easy to maintain and overhaul, stable in operation, capable of preventing dust from entering a motor by adopting a fully-closed structure, and high in safety and reliability.

The invention discloses a jade fiber fabric. The jade fiber fabric is manufactured from, by weight, 7-9 parts of nanometer chitin, 35-45 parts of alginate fiber, 5-10 parts of jade fiber, 1-3 parts of jade powder, 11-13 parts of coconut carbon fiber, 15-20 ml/L of a traditional Chinese medicine antibacterial solution, 11-13 parts of milk protein fiber, 12-18 parts of modal fiber, 2.5-15 g/L of micro-nanometer oxide, 5-8 parts of jute fiber, 10-12 parts of naked spandex yarn, 3-5 parts of menthol crystals, 3-4 parts of huge end eucalyptus, 3-5 parts of bamboo charcoal powder, 3-3.5 parts of inflaming retarding polyester fiber, 22-35 parts of refined sulfur cotton, 0.1-0.2 part of vanillic aldehyde, 0.1-0.2 part of thymol and 29-41 g/L of a Gemini positive ion softening agent. The jade fiber fabric is good in sterilizing effect, light in mass and good in skin friendliness, and has the mould resistance, ultraviolet resistance and flame retardance.

The invention relates to a movable vehicle cleaning system, which comprises a vehicle cleaning water collector, an automatic cleaning machine and a cleaning water recycling cleaning vehicle, wherein the vehicle cleaning water collector comprises four water collection sheets; the automatic cleaning machine comprises a cleaning head mainboard, an annular water pipe, a two-way sprayer, a handle, brush disc base, brush hair, a speed regulation motor and a bottom plate; the cleaning head mainboard is connected with the brush disc base by a connecting buckle and is arranged on the bottom plate; the annular water pipe is arranged on the outer side of the bottom plate and is communicated with the two-way sprayer; the handle is fixedly connected with the bottom plate; the brush hair is arranged on the brush disc base; the speed regulation motor is arranged on the bottom plate and drives the brush disc base to rotate; the cleaning water recycling cleaning vehicle comprises a vehicle body; a control panel is arranged on the vehicle body; and a dust collector, a gasoline generator, a storage battery, a cleaning booster pump, a sewage pump, a turbid water pump, an overflow pump, a detergent foaming device, a sewage treatment system, a turbid water treatment system and a clear water bin are arranged in the vehicle body. By the movable vehicle cleaning system, the problem that vehicles are difficult to clean in large cities is solved, the detergent pollution is avoided, and the water-saving efficiency is high.

The invention discloses a buckle for an automobile interior decoration, which comprises a buckle body. The outer sides of the buckle body are respectively provided with anti-falling undercut protrusions. The lower part of the anti-falling underturn protrusion is an outer clamping part. A pair of ribs are provided on the inner side of the buckle body, the ribs are provided with anti-falling barbs, and the ribs or the inner side of the buckle body are provided with clamping bosses, and the anti-falling barbs are fixed on the target connecting piece. The mounting holes or mounting protrusions fix the target connecting piece to prevent falling off. Compared with the traditional metal shrapnel, the present invention completely solves the technical problems of shrapnel shaking, abnormal noise, loose connection and difficult maintenance caused by the high energy consumption and poor welding risk of traditional metal shrapnel hot-melt welding. Undercut protrusions, anti-falling barbs and clamping bosses can firmly connect the target connecting parts, which are easy to install and easy to replace.

The invention relates to an agricultural machine for harvesting cassava and provides a small shaking type cassava harvester. The small shaking type cassava harvester is composed of a quick-shaking type hydraulic jack, a large plunger rod, a small piston rod, a reversing valve or a stop valve, a frame, a main beam, a rear beam, stand columns, a stand column middle beam, a lifting frame, a chain wheel, a chain, rolling wheels, a suspension arm, a flexible piece, an operation rod, a quick stem clamp, wheels, supporting legs and the like. The reversing valve or the stop valve is used, the shaking and non-shaking functions of the large plunger rod, the suspension arm and the quick stem clamp can be achieved by pressing down or lifting up the operation rod, and thus cassava can be vertically shaken and pulled up in the pulling process. The small shaking type cassava harvester is capable of saving labor, small in cassava breakage rate, high in productivity, convenient to operate, small, light, convenient to carry, firm, high in reliability, low in cost, capable of saving energy, environmentally friendly, low in use cost, capable of adapting to small mountainous field parcels, small rugged field parcels, farmland with complex terrain, farmland with other interplanted crops and wet and muddy farmland, capable of being used for pulling other plants and crops and wide in application.

The invention relates to means of transportation, in particular to a transportation device preventing a pedestrian from running the red light when the pedestrian crosses the road, and provides a barrier device for a pedestrian crossing the road. The barrier device is characterized in that the middle of a treading box is designed to a concave box body, or inclined pedals are additionally arranged on the periphery of the treading box, transmission shafts are arranged between two ends in the treading box, protruding shafts are respectively mounted on two ends of the transmission shafts, the transmission shafts are combined with the protruding shafts through a connecting rod among the transmission shafts, the protruding shafts are respectively connected with grid meshes through movable joints, the size specification of each grid mesh is matched with the treading box, the protruding shaft is further connected with an output shaft of a gearbox through a transmission rod and a crankshaft, and the gearbox is combined with a motor, or the protruding shaft is further combined with a hydraulic system through the transmission rod; when the protruding shafts are moved back and forth through the transmission shafts, the grid meshes connected with the protruding shafts through the movable joints can move upwards or downwards, water is poured into the concave box body, the treading box is respectively connected with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with a filtering box, the water outlet pipe is communicated with nozzles distributed on the periphery of the box body of the treading box, and the water inlet pipe and the water outlet pipe are combined with a water pump.

The invention discloses a nursing device. A pulse measuring mechanism and a dripping speed measuring device are arranged on a bracket; the pulse measuring device comprises a first infrared transmitting tube and a first photoelectric receiving tube which are arranged on the bracket and are respectively positioned on the two sides of a finger of a patient to be measured; the first photoelectric receiving tube is connected with a first amplifying and shaping circuit; the first amplifying and shaping circuit is connected with an analogue-to-digital (A/D) converter; the A/D converter is connected with a calculator; the calculator is connected with a light-emitting diode (LED) display device; the dripping speed measuring device comprises a second infrared transmitting tube and a second photoelectric receiving tube which are arranged on the bracket and are respectively positioned on the two sides of a Murphy's tube to be measured; the second photoelectric receiving tube is connected with a second amplifying and shaping circuit; the second amplifying and shaping circuit is connected with the A/D converter; the A/D converter is connected with the calculator; and the calculator is connected with the LED display device. The nursing device has a reasonable structure, and can rapidly realize pulse measurement and infusion dripping speed count and immediately display measurement results on a display screen with numbers.

The invention relates to a remote control electric insulation clamp and belongs to the field of distribution network hot-line work equipment. The remote control electric insulation clamp comprises aninsulation clamp main body, an insulation operating rod and a remote controller, wherein the insulation clamp main body is installed on the insulation operating rod and is connected with the remote controller, the remote control electric insulation clamp is structurally characterized in that the insulation clamp main body comprises a chuck and a chuck driving mechanism, the chuck is connected withthe chuck driving mechanism, the chuck comprises a clamp male chuck and a clamp female chuck, the clamp male chuck and the clamp female chuck are both connected with the chuck driving mechanism, thechuck driving mechanism comprises connecting rods and a push block, the clamp male chuck and the clamp female chuck are each connected with one connecting rod, the two connecting rods are both connected with the push block, and/or the clamp male chuck and the clamp female chuck are provided with clamp male chuck meshing teeth and clamp female chuck meshing teeth respectively, and the clamp male chuck meshing teeth are meshed with the clamp female chuck meshing teeth.

The invention relates to equipment for cutting outer peels of wild rice stem segments. The equipment is characterized by comprising a machine frame and a peeling operation station arranged on the machine frame, wherein the peeling operation station comprises operation frames arranged on the machine frame, material conveying frame structures arranged in the operation frames, and peel-cutting operation units arranged at the side ends of the operation frames; each material conveying frame structure comprises a conveying chain and a material placement seat arranged on the conveying chain; each peel-cutting operation unit comprises a group of telescopic movable peel-cutting frames arranged at the ends of the operation frames; a cutting-open tool is arranged on each peel-cutting frame; the peel-cutting frames reciprocate once to cut the open outer fiber peels of the wild rice stem segments; and the peel-cutting operation units further comprise a material pressing baffle structure arranged between the peel-cutting frames. The equipment disclosed by the invention has the beneficial effects that the outer peels of the wild rice stem segments can be cut open by the equipment to facilitate peeling, and the removal of old knot bases of the wild rice stem segments can be completed through the arrangement of a base cutting-off device. The equipment has the advantages of being light in machine body, convenient in field operation, simple in structure, complete in functions, convenient in disassembly, assembly and maintenance, and the like.

The present invention provides a bidirectional open-type machine tool outer cover. The bidirectional open-type machine tool outer cover comprises a pedestal, a front door, a front frame, a rear frame and a rear door, wherein the both front and rear frames are of an n-type frame structure, and observation windows are disposed both on top parts of the frames and on two side frames. The front frame and the rear frame are guided by two guide rails to slide, are light and convenient to move, and can stop at any position and be fixed at limiting positions. The front door can be turned by 270 degrees and integrally move with the front frame, such that a front space of a machine tool is fully opened; the rear door is of a turning insertion structure and can integrally move with the rear frame into the front frame after being inserted inside the rear frame, such that a rear space of the machine tool can be completely opened. The machine tool outer cover provided by the present invention provides the maximum operating space for bringing convenience for assembly and disassembly of workpieces, cutter setting and machine tool maintenance, and is especially applicable to machine tools which require wide operating space and wide views.

The invention relates to a distribution network hot-line work robot system which comprises an operation table device, a supporting device and a control cabinet. The operation table device comprises an operation table, a mechanical arm assembly and a sensor assembly. The mechanical arm assembly and the sensor assembly are installed on the operation table. The mechanical arm assembly comprises a first number of mechanical arms and a mechanical arm base. The mechanical arm base is fixed to the operation table, and the mechanical arms are fixed to the mechanical arm base. The supporting device comprises an insulating bucket and a supporting frame. The supporting frame is clamped on the insulating bucket in a surrounding manner. The operation table is slidably arranged on the supporting frame. The insulating bucket is provided with a cavity, and the control cabinet is installed in the cavity. A processor and a communication module are mounted in the control cabinet. The mechanical arms and the sensor assembly are connected with the processor which is connected with the communication module.

The invention relates to an intracranial pressure measuring device of a BP neural network model based on genetic algorithm optimization and a working method thereof. In the measuring device, when intracranial pressure to be measured acts on an optical fiber pressure sensor, the cavity length of the optical fiber pressure sensor is changed, so that a reflected light signal is changed, and a spectrograph collects the reflected light signal; the obtained spectral digital signal is inputted into a system microprocessor, the spectral digital signal is preprocessed in the system microprocessor, andaccording to a BP neural network model optimized based on a genetic algorithm, analysis is performed to obtain an intracranial pressure value; and the system microprocessor outputs an intracranial pressure value and displays the intracranial pressure value on an LCD display screen. The system microprocessor of the measuring device processes measured signals through automatic compensation in a pre-trained machine learning model, so that the data reliability is high, errors are small, temperature interference is small, and therefore it is guaranteed that the precision is higher than that of a traditional cranial pressure monitor.

A pneumatic motor is disclosed, the cylinder structure of which is changed to make the bearing at upper seat and the bearing at lower seat eccentric respectively to the internal circumference of the cylinder and make the internal circumference and the external circumference of the cylinder in concentric structure, so that under the precondition of not changing the volume of the cylinder internal chamber, the weight and volume of the whole pneumatic motor are all reduced, its appearance is legerity, for same appearance specification it has higher torque, tools adopting the pneumatic motor will be more agile and convenient.

The invention discloses a low-concentration particulate matter sampling detection device and a particulate matter sampling head of the device. The upper half part of the particulate matter sampling head is a double-layer sampling head, and the lower half part of the particulate matter sampling head comprises a stainless steel membrane support and a sampling gun connector; the inner layer of the double-layer sampling head is an integral sleeving sampling filtering element and comprises a sampling tube, a conical shell, a filter membrane and a protection net, and the outer layer of the double-layer sampling head comprises a sampling head sheath and a sampling nozzle; the integral sleeving sampling filtering element is arranged in the sampling head sheath, and connected with the sampling nozzle at the most front end through the sampling tube, the rear end is provided with the inverted conical shell, the filter membrane and the protection net are positioned at the opening position of the conical shell, the integral sleeving sampling filtering element is in sealing connection with the sampling head sheath by screw threads, the upper half part and the lower half part of the particulate matter sampling head press the filter membrane and the protection net on the stainless steel membrane support by utilizing O-shaped screw thread glands, and finally the particulate matter sampling head is connected with the sampling gun connector. With the particulate matter sampling detection device and the particulate matter sampling head, the problems in the mass concentration detection of the particulate matters that the sampling operation is complicated, and the accuracy is low and the detection limit is high are solved.

Provided is a large-span trapezoidal space steel pipe truss concrete floor structure. The floor structure comprises a concrete floor slab and a large-span trapezoidal space steel pipe truss; and the concrete floor slab directly bearing floor load is arranged on T-shaped supports of three pipe upper chord members of the large-span trapezoidal space steel pipe truss. A basic unit of the large-span trapezoidal space steel pipe truss is an internode; each internode is composed of the three-pipe upper chord members, two-pipe lower chord members, quadrangular pyramid diagonal web members, upper chord horizontal members, and lower chord horizontal members; the cross section of the basic unit is in the shape of an inverted trapezoid arranged in a triangle; the large-span trapezoidal space steel pipe truss is formed by intersecting connection of steel pipe direct welding joints; and the concrete floor slab is an fabricated prefabricated slab or a steel-concrete composite floor slab. The large-span trapezoidal space steel pipe truss concrete floor structure is reasonable and simple in structure, clear in force transmission, convenient to install, free of floor slab secondary beams and spacetrusses, small in steel consumption, large in rigidity, high in bearing capacity, high in spanning capacity, good in comfort level, and excellent in mechanical property.

The invention provides a magnesium alloy mobile phone protective jacket or a magnesium alloy mobile phone protective shell. The magnesium alloy mobile phone protective jacket is made of a magnesium alloy material. The magnesium alloy is hard and weight, low in density, good in heat dispersion, relatively strong in pressure resistance, radiation-proof and capable of meeting requirements of electronic products. According to the invention, a high-end magnesium alloy mobile phone protective jacket is made of a novel magnesium alloy material.

The invention provides a light and thin high-reinforced plastic composite sheet for household appliances and a preparation method thereof. The preparation method comprises mixing netty porous ceramsites and a coupling agent at a high speed, adding thermoplastic polyurethane into the mixture, carrying out mixing extrusion molding to obtain light and thin sheets, covering two sides of a high-moduluscarbon fiber non-woven fabric with hot-melt adhesive films, carrying out hot pressing to obtain a sandwich layered material, arranging the light and thin sheets to the front and back sides of the sandwich layered material, and carrying out rolling compounding to obtain the three-layer light and thin high-reinforced plastic composite sheet. The netty porous ceramsites are dispersed in the thermoplastic polyurethane and are used as supports so that the sheet weight is effectively reduced and sheet weight reduction is realized. The high-modulus carbon fiber non-woven fabric is used as a sheet sandwich layer. The composite sheet obtained by rolling is light and has high strength and is suitable for household appliances.

The invention relates to an annular tension elastic rib deployable antenna structure. The structure comprises a central faceplate node; elastic ribs which are radially and uniformly arranged on the central faceplate node at equal intervals; a deployable truss, wherein one end of the deployable truss is hinged to the central faceplate node, and the other end of the deployable truss is slidably connected with the elastic ribs; a plurality of groups of annular cables which are sequentially arranged on the elastic ribs from inside to outside, wherein each group of annular cables is formed by connecting a plurality of flexible cable sections positioned between two adjacent elastic ribs end to end; a reverse tension array which is connected between the elastic ribs and the deployable truss; anda reflecting surface which is laid on a latticed structure formed by the elastic ribs and the annular cables in a tensioning manner. Compared with the prior art, the structure achieves the control ofthe surface precision of the reflecting surface by utilizing the elastic bending deformation of the elastic ribs, and the structure can be applied to a space deployable antenna structure with large-aperture and high-precision requirements.

The invention relates to a multipurpose breathing machine which comprises a machine shell, and an air supply assembly used for air supply, an oxygen generation assembly used for oxygen generation, a cough relieving assembly used for relieving cough, a suction assembly used for sputum suction and an atomization assembly used for atomization treatment are arranged in the machine shell so that the multipurpose breathing machine can be suitable for respiratory tract patients of different types and different illness states to use. The air supply assembly comprises an air inlet, an air supply outlet and a filter screen, the air inlet is formed in the side face of the machine shell, the air supply outlet is formed in the top face of the machine shell, the filter screen is detachably installed on the air supply outlet, and a plurality of deodorant containing rods used for containing deodorants are arranged on the upper portion in the air supply outlet. And an activated carbon placing rod for placing activated carbon is arranged below the air supply outlet. The device is light in size, can work for a long time, is friendly in operation system, can reduce the workload of nurses, is wide in application scene, is diversified in functions, and can be used in the disease treatment of different types and different severity of respiratory tract patients.

The present invention relates to an integrated joint, in particular to an integrated joint of an oil running oscillating cylinder. The problems that an existing robot joint is insufficient in drivingtorque and too small in loading torque are solved. The integrated joint of the oil running oscillating cylinder comprises a first round nut, a left actuator, a left cylinder cover, a cylinder body, aright actuator, a right cylinder cover, a second round nut and an output shaft. The cylinder body sleeves the middle of the output shaft, the first round nut and the left actuator and the left cylinder cover sleeve the left end of the output shaft in order from left to right, and the second round nut, the right actuator and the right cylinder cover sleeves the right end of the output shaft in order from right to left. The present invention belongs to the field of robots.