53results about How to "Against gravity" patented technology

The invention relates to a joint for building structures, relates to a self-centering buckling-restrained brace beam-column joint and aims to solve the problem that structural application functions of an existing self-centering buckling-restrained brace in a diagonal placement scheme may be influenced and the problem that existing steel-frame beam-column joints are mostly connected rigidly or semi-rigidly, the joint of such structure easily suffers brittle failure, and after an earthquake, dangers still exist and continual application is unavailable even after the building does not collapse. Gaps are provided among columns and beams, a plurality of column stiffening ribs are distributed on the columns, the beam stiffening ribs are distributed on the beams, two connecting plates are disposed on upper and lower flanges of one beam; each connecting plate is L shaped and is provided with a plurality of bolt holes; a vertical segment of each connecting plate is connected with a column plug through bolts; each bolt penetrate a corresponding bolt hole so as to connect the connecting plates and the girder; a self-centering buckling-restrained supporting member is correspondingly disposed on the outer side of each connecting board.

The invention relates to a fruit feeding device and belongs to the field of conveying devices. The fruit feeding device solves the problem that cleaning cost of fruits is high. According to the technical scheme, the fruit feeding device solves the problem and comprises a hopper, the bottom end face of the hopper is provided with a feeding pipe communicated with the hopper. The fruit feeding device further comprises a motor, a feeding opening is formed in the feeding pipe, one side of the feeding opening is provided with a rotating cylinder connected with the motor, the side wall of the rotating cylinder is provided with a discharging opening and an inductor connected with a circuit of the motor in series, the discharging opening can correspond to the feeding opening, and the rotating cylinder can rotate to open or close the feeding opening.

The invention discloses an acceleration measurement method based on atomic interference in an optical waveguide, which includes the following steps: S1, preparing a cold atomic group; S2, loading an optical waveguide: keeping the atomic group in a magnetic insensitive state, opening the optical waveguide, and putting the atomic group in the optical waveguide; S3, atomic interference: applying PI/2, PI and PI/2 light pulses to the atomic group through two beams of Raman light or Prague light to realize beam splitting and combining of the atomic group, and constructing an atom interferometer; and S4, imaging detection: after interference, letting the atomic group freely fall for a period of time, carrying out detection through CCD or PD, and calculating the axial acceleration of the optical waveguide according to the detection result. The method and the device have the advantages of simple principle, simple operation, high accuracy, and the like.

The invention provides a crawling robot and a marine steel surface pretreatment process. Fiber lasers are mounted on a vehicle body; the vehicle body is driven to move; laser cleaning is performed during moving; this mode is simple and efficient. The vehicle body has magnetic drive wheels so that the vehicle may travel in tight contact with the surface of a hull. The lasers mounted on the vehiclebody are kept evenly spaced from the surface of the hull. Fiber laser beams are used to perform laser scanning on the focal plane so that power density distribution is relatively uniform, and sundriesare cleaned without damaging steel base material. Compared with traditional grinding methods, the process employing noncontact processing has the advantages that laser processing causes no direct impact to marine steel so that no mechanical deformation occurs, laser processing precision is high so that the influence of human factors upon processing quality can be relieved, the processing efficiency is high, the quality is table and reliable, and the appearance is attractive.

The invention discloses a soldering flux spraying device. The soldering flux spraying device comprises a conveying system, a spraying system, a powder supply system and a powder recycling system, wherein the conveying system is used for conveying a to-be-sprayed plate in the horizontal direction, and uniform gaps are formed in the bottom of the conveying system; the spraying system comprises a frame main body and a spray gun arranged in the frame main body; the powder supply system is used for outputting soldering flux powder to the spraying system; and the powder recycling system is used forcollecting soldering flux powder which is not sprayed onto the to-be-sprayed plate. A traditional assembly line type device arranged in the horizontal direction is replaced. According to the solderingflux spraying device, the powder recycling system is creatively arranged at the bottom of the spraying system, the powder is recycled through the action of gravity, in addition, the spraying system is arranged above the to-be-sprayed plate, the to-be-sprayed plate is placed in the horizontal direction and replaces a traditional plate placed in the vertical direction, the influence of the gravityaction can be effectively overcome, and spraying can be more uniform.

The embodiment of the invention discloses a display panel, a manufacturing method thereof and a display device. The display panel comprises a first display area and a second display area, wherein the light transmittance of the second display area is smaller than that of the first display area; the first display area comprises a substrate, a driving array layer, a planarization layer and a pixel limiting layer, the driving array layer, the planarization layer and the pixel limiting layer are stacked on the substrate, and the substrate is provided with a first light-transmitting opening; the first light-transmitting opening at least penetrates through one side, far away from the driving array layer, of the substrate, the first light-transmitting opening is filled with a transparent material, and the light transmittance of the transparent material is greater than that of the substrate; a plurality of pixel openings for accommodating light-emitting materials are formed in the pixel limiting layer; a second light-transmitting opening is formed between every two adjacent pixel openings; and the projection of the second light-transmitting opening on the substrate is partially or completely overlapped with the projection of the first light-transmitting opening on the substrate. According to the technical scheme provided by the embodiment of the invention, full-screen display can be realized, the light transmittance of the camera area under the screen is ensured, and the display panel is prevented from generating cracks.

The invention discloses a multi-cylinder synchronous lifting mechanism. The multi-cylinder synchronous lifting mechanism comprises a left lifting cylinder, a right lifting cylinder, a left loader, a right loader, a pin seat, a pin shaft, a pressing rod assembly, an oil tank, a first throttle valve, a second throttle valve, a third throttle valve, a fourth throttle valve, a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve and a plurality of pipelines. As for heavy goods in small size, the goods can be lifted by a single hydraulic cylinder, and if the size of the heavy goods is large, the goods can be lifted through a plurality of hydraulic cylinders. As for the lifting mechanism with the plurality of hydraulic cylinders, synchronous lifting of the plurality of hydraulic cylinders is required, if lifting speeds and positions of the hydraulic cylinders are not synchronous and can not correspond to the heavy goods in the process of lifting the heavy goods, deviation of each supporting point position of the hydraulic cylinders is caused, and the heavy goods tend to roll over. The multi-cylinder synchronous lifting mechanism is simple in structure, reliable in operation, and multi-cylinder synchronous stable lifting and descending of the heavy goods in large size can be fully guaranteed.

The invention discloses a three-dimensional digital particle image generation device and a three-dimensional digital particle image generation method based on excitation suction. An imaging module and a sucking module of the device are arranged on the same side of a light-transmitting piece. The light-transmitting piece is arranged on the upper surface of a flow pass and is positioned in a magnetic field generated after electrification of the center of a light path of the imaging module and the sucking module. The sucking module sucks particles to the lower side of the light-transmitting piece. The imaging module is provided with a focusing mechanism used for adjusting focus to acquire images with different focal planes. An image processing module is used for dividing focal plane ranges of the images with the different focal planes through different difference operators and wavelet image processing, measuring three-dimensional surfaces of magnetic particles according to a morphological processing method and overlapping the images with the different focal planes through Boolean algebra operation to recreate a new particle image. The particles are sucked on the same plane by the sucking module, the images with the different focal planes are acquired to be synthesized, and the clear and stable three-dimensional digital particle image is generated.

The invention combines the active refrigeration of a compressor and the passive cooling of a heat pipe, and adopts an integrated layout to form novel active-passive combined thermodynamic cycle equipment. The equipment includes an internal circulation fan, an isolation plate, an active evaporator, a compressor, a drain pipe, a heat pipe evaporation section, a heat pipe, a throttling element, an active condenser, a heat pipe condensation section, an external circulation fan and a housing. When the atmospheric temperature is higher than the set control temperature of the target equipment, At this point the equipment works as usual with the air conditioning system, when the atmospheric temperature is lower than the set control temperature of the target equipment, The active refrigeration andcooling system of compressor does not work, and depends on the heat pipe in the passive cooling system, and the external circulation fan pumps the heat of the target equipment to the atmosphere, whichcan reduce the starting times and continuous running time of the compressor, reduce the failure rate of the active refrigeration system and save a lot of electric energy.

The invention discloses a barrel-shaped material clamping device achieving grinding and scrap removal, and belongs to the technical field of metal product equipment machines. The barrel-shaped material clamping device comprises a clamping piece, a grinding part, a scrap collection cavity and a bottom plate. The clamping piece comprises a connecting column provided with a through hole, a cooperation portion provided with a cavity and moving feet provided with pipelines. Clamp grooves are formed in the side face of the cooperation portion. The base portions of the moving feet are mounted on theclamp grooves. The moving feet rotate outwards to stretch out. Telescopic clamp jaws are arranged on the outer sides of the ends of the moving feet. A ventilating system is formed by the through hole,the cavity and the pipelines, the through hole is connected with a fan through an externally-arranged air pipe, and air outlets of the pipelines are located at the ends of the moving feet and on theinner side of a barrel-shaped material. The grinding part comprises a grinding wheel, a center shaft and power equipment. The power equipment enables the center shaft to drive the grinding wheel to rotate, the grinding wheel grinds the inner wall of the barrel-shaped material, meanwhile, the grinding wheel can vertically move up and down, and the grinding area is enlarged. Therefore, grinding scraps fall into the scrap collection cavity after being blown by air, reutilization is facilitated, and the barrel-shaped material clamping device is suitable for the metal clamping grinding process.

The invention discloses a full-automatic efficient polishing machine. The full-automatic efficient polishing machine comprises a rotary disc capable of rotating in an indexing mode, a first side facerough polishing device, a second side face rough polishing device, a forward longitudinal polishing device, a reverse longitudinal polishing device and a transverse polishing device, wherein the firstside face rough polishing device, the second side face rough polishing device, the forward longitudinal polishing device, the reverse longitudinal polishing device and the transverse polishing deviceare arranged in the circumferential direction of the rotary disc, and a plurality of clamps evenly distributed and used for fixing products to be polished and a first motor driving one clamp to horizontally rotate are arranged in the circumferential direction of the rotary disc. According to the full-automatic efficient polishing machine, grid textures can be formed on the surface of a product, and the function of the polishing machine is expanded.

The invention discloses a friction fixing anchor rod which comprises an anchor rod body. The outer surface of the anchor rod body is full of thread, the anchor rod body further comprises a friction fixing sleeve, a size sealing ring, a subplate and a nut, the friction fixing sleeve is arranged to be a pipe with an opening along the length direction and comprises a front-end conical diameter contracting section and a rear-end straight pipe section which are formed integrally, the conical diameter contracting section is provided with a fastening port, and the anchor rod body is arranged in the friction fixing sleeve; the ring is arranged between the anchor rod body and the friction fixing sleeve, and the subplate is arranged on the outer surface of the anchor rod body in a sleeved manner, fixedly connected with the anchor rod body through the nut and arranged between the nut and the end of the rear-end straight pipe section. The friction fixing hollow anchor rod is mature and reliable in structure, simple to operate, high in sealability and suitable for injection of various sizes.

The invention discloses a soilless culture substrate formula used for vertical greening, and a production method therefor. The production method comprises: weighing and adding a mixture of multi-hydroxyl ethers and a plasticizer, namely dibutyl phthalate into a high-pressure reaction kettle; then, adding a natural binder and a catalyst into the high-temperature reaction kettle with stirring, and introducing inert gas for shielding; finally adding an adosrbent with sufficiently and uniformly stirring, and discharging, thereby preparing a binder for later use; in the presence of an adhesive added in a wet state, uniformly stirring decomposed straws, grass carbon, coconut tree peel, coconut shells, branches and tree leaves at high speed to obtain a mixture, then, standing the mixture, adding a self-made binder into the mixture with stirring, pouring the mixture into a mould to form, and discharging the mixture out of mould. Polyethylene glycol 600 with molecular weight of 570-630, polypropylene glycol 200 with molecular weight of 180-220, and polymer polyol are matched in proportion, so that the soilless culture substrate formula can be suitable for splicing most of cellulose with different molecular weights; pores of a formed three-dimensional net-shaped structure are especially suitable for storing water molecules, so that water absorbing capacity of the whole substrate can be greatly improved, the gravity action can be overcome to certain extent, and the substrate is suitable for vertical greening.

The invention discloses a centrifugal separator for waste spinning fiber. The centrifugal separator comprises a main machine frame, a rotation machine frame, an impeller assembly and a hood assembly. The main machine frame comprises stepped disc type sorting tables, wherein each stage of sorting table is provided with a discharge port and a conveyor belt. The rotation machine frame comprises rotary rotation machine frame arms. The bottoms of the rotation machine frame arms are connected with platform material collection plates. Materials, scraped and swept by the platform material collection plates, on the stepped disc type sorting tables enter discharge ports. The impeller assembly comprises a sorting main impeller. A gas flow pressure nozzle is arranged at the bottom of the sorting main impeller and blows gas towards the bottom edge of the sorting main impeller. According to the centrifugal separator, the gravity effect of the materials themselves is overcome through the centrifugal effect of the impeller and the blowing effect of the gas flow, and therefore the materials can do the scattering movement in the air; classified falling is achieved through the time during which the materials are scattered in the air; and classified collection of the scattered materials is achieved through the sorting tables and conveyor belts of different heights, and classified separation of the waste spinning fiber is achieved.

The invention discloses a fumigation device for treating allergic rhinitis. The fumigation device for treating allergic rhinitis comprises a bottom supporting part, a heating part, a medicine accommodating part and a fumigation part; the heating part is fixedly arranged on the upper part of a bottom supporting part; the medicine accommodating part is detachably arranged on the upper part of the heating part; and the fumigation part is communicated with the upper part of the medicine accommodating part. The fumigation device provided by the invention is stable to use, not liable to break, highin heating efficiency and high in heating efficiency, can liberate double hands of patients, has high practicability, can adapt to the use requirements of different patients, is convenient to use at home and is also convenient to use in hospitals; the traditional Chinese medicine formula can effectively reduce symptoms of sternutation, rhinorrhea, nasal obstruction, itchy and feverish nasal cavityof patients; and the use method of the fumigation device is simple in use step and easy to operate, and the decocted traditional Chinese medicine has good effect of treating allergic rhinitis and greatly increases the healing rate of the allergic rhinitis of the patients.

The invention relates to an intelligent dimming window curtain which comprises a fixed hook, a supporting rod and curtain cloth. A regulating cavity is formed in the side edge of the curtain cloth, the regulating cavity is connected to a liquid storage cavity through a guide pipe, and a hydraulic controller is arranged between the guide pipe and the liquid storage cavity; the liquid storage cavityand the hydraulic controller are fixedly mounted on a wall; dimming strips are parallely woven to the curtain cloth in an equally spaced manner and each dimming strip comprises a hollow pipe made from a soft material, a reflective strip is coaxially arranged in the hollow pipe, and a sleeve film coats the outer side of the reflective strip; the sleeve film is airtightly connected to the regulating cavity; the sleeve film compactly coats the reflective strip in a natural state; and the liquid storage cavity, the regulating cavity and the sleeve film are filled with a shading liquid. The intelligent dimming window curtain is novel in structure, and convenient to operate, and can adjust the transmittance of light of the window curtain uniformly and flexibly to prevent hard light from stimulating eyes, so that the effect of awakening a user gently is achieved and the sleeping experience is improved effectively.

The invention discloses a trolley facilitating mold erecting and demolding and a using method thereof. The trolley facilitating mold erecting and demolding comprises a support, first formworks and a second formwork; the first formworks are connected to the support in a sliding mode in the left-right direction, the two first formworks are arranged at the left end and the right end of the support respectively, and the two first formworks can be close to or away from each other in the left-right direction; the second formwork is connected with the support in a sliding mode in the vertical direction, one first formwork is spliced with the other first formwork through the second formwork, the second formwork is arranged between the two first formworks, and the second formwork can prevent the two first formworks from getting close to each other in the left-right direction; and first splicing slopes are arranged at the opposite ends of the two first formworks, and second splicing slopes matched with the first splicing slopes are arranged at the left end and the right end of the second formwork.