186results about How to "Play the role of connection" patented technology

The invention discloses a pre-bonding curing sticking riveting process which comprises a first step of performing impurity removing pretreatment on an upper layer plate and a lower layer plate, evenly coating one side of one plate with a macromolecular adhesive to perform bonding, causing the adhesive layer thickness to be 0.1-0.3 mm, removing redundant adhesive around the plate, and starting to perform solidification; when the curing degree reaches 0.18-0.45, stopping the curing, and obtaining a bonded plate; a second step of placing the bonded plate on a riveting platform, causing a blank holder to move downwards to be pre-tightened by a riveting plate, and preparing for riveting; a third step of causing the upper layer plate, the lower layer plate and the adhesive layer to be subjected to punch pressure to deform, causing the upper layer plate and the lower layer plate to snap each other; after the curing degree reaches 1, causing the adhesive layer curing to come to an end, and completing the sticking riveting connection process. By adoption of the pre-bonding curing sticking riveting process, the sticking riveting connection time can be shortened, sticking riveting processes are reduced, and working efficiency is improved.

The invention provides a dry mixing waterproof mortar with high crack resistance. The dry mixing waterproof mortar contains the following raw materials in parts by weight: 400-410 parts of cement, 1400-1450 parts of machine-made sand, 70-75 parts of coal ash, 0.8-4 parts of acrylic based emulsion powder, 0.8-4 parts of EVA emulsion powder, 3-12 parts of styrene-butadiene latex, 100-120 parts of modified towel gourd fiber, 100-120 parts of ramie fiber, 50-60 parts of bamboo charcoal fiber, 70-100 parts of seaweed meal, 0.8-1.0 part of organic silicon defoamer and 280-350 parts of water. According to the invention, all the raw material components are matched with one another and have a synergic effect, so that the prepared mortar has the advantages of high toughness, high rupture strength, high compressive strength and excellent anti-cracking ability and has a certain adsorptive property and a bactericidal ability; the matching relation of all the raw material components is reasonable; all the raw materials can be uniformly mixed; the dry mixing waterproof mortar is harmless to environment and conforms to the idea of low carbon, environmental protection and sustainable development.

The invention discloses a commercial air-conditioning copper pipe cutting device, which comprises a base. Lifting rods are arranged on both sides of the top of the base. A supporting plate is arranged transversely on the top of the lifting rod. There is a cutting machine, the inner bottom of the lifting rod is provided with a movable rod, the outer surface of the movable rod is provided with a driven wheel, and the inner side of the movable rod surface is provided with a forward thread. The present invention can be used in conjunction with a double-axis motor, a transmission shaft, a driving wheel, a conveyor belt, a driven wheel, a movable rod, a reverse screw thread, a thread sleeve, a clamp block, a connecting rod and a positive screw thread, and can be used for air-conditioning copper pipes of different thicknesses. Effective clamping, so that the use efficiency of the cutting device is higher, and it solves the problem that when the cutting device is in use, due to different types of air conditioners, the thickness of the copper pipe is different, and the gap between the two clamping blocks cannot be effectively adjusted, resulting in the cutting device. Clamp copper tubes of different thicknesses.

The invention discloses an automatic long cup cleaning device. The device comprises a handle, a first connecting plate is fixedly connected to the bottom of the handle, a mounting shell is fixedly connected to the bottom of the first connecting plate, a driving motor is fixedly connected to the bottom of the inner wall of the mounting shell, a driving rotating shaft is fixedly connected to an output shaft of the driving motor, the bottom of the driving rotating shaft penetrates through the mounting shell and extends to the exterior of the mounting shell, and a second connecting plate is fixedly connected to the bottom of the driving rotating shaft. Accordingly, by arranging the driving motor, an electric telescopic rod, a bolt, a first fixing plate, a second fixing plate, a first support plate, an ordinary telescopic rod, a spring, a cup rim cleaning brush, a cup body cleaning brush and cup inner cleaning cotton, the long cup cleaning device is ideal in cleaning effect; by means of cleaning of the automatic long cup cleaning device, the cup rim, the cup body and the cup inner wall can be cleaned, cleanliness of a long cup is guaranteed, on one hand, the attractiveness of the cup iskept, and on the other hand, water health of a user is guaranteed.

The invention discloses a fabric fast-carding device for textile production. The device includes a fixing support, a heating plate and a dust sucking head; the upper ends of the fixing support are provided with a support frame, an unreeling shaft is fixed to the interior of the support frame, the two ends of the unreeling shaft are provided with thread blocks, rotating blocks are fixed to the outer surfaces of the thread blocks, the unreeling shaft is provided with a roll shaft, and the outer surfaces of the two ends of the roll shaft are provided with balls. Compared with an existing common fabric fast-carding device for textile production, the fabric fast-carding device for textile production can remove dust, cotton fibers and other impurities adhering to fabrics, the carding effect of the carding device is improved, water is prevented from overflowing during the use of the device so as to avoid parts from moisture and corrosion, centralized treatment of waste liquid is convenient, waste of water resources is avoided, meanwhile, the fabrics with different thicknesses can be flattened, and the applicability of the device is improved.

The invention discloses a medical portable B-ultrasound detector, which comprises an anti-vibration housing. A slide plate is arranged at the midpoint of the bottom of the inner wall of the anti-vibration housing. The top of the slide plate is fixedly connected with a first fixing plate. Both sides are fixedly connected with elastic belts, the side of the elastic belt away from the first fixed plate is fixedly connected with the anti-vibration housing, and the left and right sides of the first fixed plate are fixedly connected with first connecting plates. In the present invention, the medical B-ultrasound detector is placed in a fall-proof environment by setting a slide plate, a slide rail, a first slider, a first spring, an elastic belt, a first telescopic rod, a second spring, a spring plate and a cushion. It solves the problem that the medical B-ultrasound detector is not anti-drop, so that medical personnel can safely carry the medical B-ultrasound detector. On the one hand, it prolongs the service life of the equipment and reduces the cost of the hospital. On the other hand, it has good medical equipment Guarantee that the medical work can be carried out smoothly.

The invention discloses a method for preventing fiber breaking at the root of a hollow fiber ultrafiltration membrane. The method comprises the following steps: (1) the end surface of a to-be-cast end at the bottom of the root of membrane fiber strand of the hollow fiber ultrafiltration membrane is cut flat, and holes are blocked by 1-2 mm; (2) the to-be-cast end of the membrane fiber strand is wrapped with a sealing layer, a second protective layer and a first protective layer from bottom to top, the second protective layer integrally connects the first protective layer with the sealing layer, the first protective layer is 6-10 cm away from the end surface of the to-be-cast end, and the overlapped part of the second protective layer and the first protective layer is 2-4 cm. With the adoption of the method, the situation that membrane fibers become crisp and break due to glue climbing during glue filling can be prevented.

The invention discloses a mobile phone charger having an anti-electric-leakage function. The mobile phone charger comprises a charger head body. The back surface of the charger head body is provided with a charging plug; and the front surface of the charger head body is fixedly connected with a fixation frame. The center of the front surface of the charger head body is provided with a USB jack. The USB jack is internally provided with a connection chip. The front surface of the charger head body is connected with a USB plug at the place corresponding to the USB jack; and a support plate is fixedly connected to the top portion of the inner wall of the fixation frame at the left side of the USB plug. Through mutual cooperation of charger head body, the fixation frame, the USB jack, the USB plug, the support plate, a supporting end, a roller column, a threaded rod, a rotating handle, a connecting bearing, a moving plate, a slide groove, a supporting slide block and a fixation end, the USBjack is fixed by the fixation end to prevent loosing, and the joint is sealed by a sealing pad to prevent dusts, thereby preventing electric leakage at the joint, making the anti-electric-leakage effect of the charger good and improving safety performance of a mobile phone charger.

The invention discloses an environment-friendly sound-insulation, heat-insulation, waterproof and weather-resisting material and a preparation method thereof. The environment-friendly sound-insulation, heat-insulation, waterproof and weather-resisting material is prepared from the following raw materials in parts by weight: 15 to 20 parts of modified filling soil, 6 to 8 parts of enhanced fibers,5 to 7 parts of sound-absorption filler, 3 to 5 parts of nano additive, 5 to 9 parts of silicon dioxide sol, 20 to 26 parts of mineral powder filler, 9 to 11 parts of acrylic emulsion, 5 to 7 parts ofadhesion auxiliary agent, 3 to 5 parts of coupling agent, 3 to 5 parts of calcium carbonate powder and 4 to 6 parts of flame-retarding additive. The environment-friendly sound-insulation, heat-insulation, waterproof and weather-resisting material has excellent sound-insulation and noise-reduction effects, relatively good heat-insulation and waterproof performance and excellent wear resistance andcompression resistance, and does not volatilize harmful substances; furthermore, the environment-friendly sound-insulation, heat-insulation, waterproof and weather-resisting material also has certainadsorption performance and has the effect of purifying indoor air; meanwhile, the preparation method of the sound-insulation material has the advantages of relatively low cost, easiness for obtainingthe raw materials, simple technology, easiness for operation and easiness for realizing industrial production, and has relatively high practical value and a good application prospect.

The invention discloses a power cable rack lifting device. The power cable rack lifting device comprises a base mechanism, a support mechanism and a driving mechanism, wherein the base mechanism comprises a rectangular base, and wheels positioned on the front and back sides below the base; multiple screw rods vertically penetrate through the base, are positioned on the front and back sides of thebase, and are arranged near the wheels; support pad bodies are arranged at the lower ends of the screw rods; rotating handles are arranged at the upper ends of the screw rods; the support mechanism comprises two support rods correspondingly arranged in the horizontal direction and vertically arranged above the base; the two support rods are symmetrically arranged with the center of the base as axis; the upper ends of the two support rods are connected with a connecting rod transversely arranged; multiple through holes a are vertically formed in the support rods; and the through holes a on thetwo support rods are correspondingly arranged in sequence; the driving mechanism comprises a bearing body and a base body arranged up and down, and a cylinder positioned between the base body and thebearing body. The power cable rack lifting device has the advantages of simple structure, convenience to transport and prevention of rollover.

The invention provides a fully-fabricated direct-current high-voltage insulation tubular busbar joint, and relates to the technical field of insulation tubular busbars. The fully-fabricated direct-current high-voltage insulation tubular busbar joint comprises a connecting base, wherein the right end of the connecting base is fixedly connected with the left end of a connecting terminal; the right end of the inner wall of the connecting base is fixedly connected with a threaded rod; the surface of the threaded rod is connected with a threaded pipe in a sleeving manner; the interior of the connecting base is connected with a fixed plate in the sleeving manner; a through hole is formed in the left side of the fixed plate; a cross rod is arranged inside the through hole in an inserted manner; and the right end of the cross rod is fixedly connected with the left end of the threaded pipe. According to the fully-fabricated direct-current high-voltage insulation tubular busbar joint, through the arrangement of the threaded rod, the threaded pipe, the fixed plate, the through hole and the cross rod, when the cross rod is stressed to rotate, the cross rod drives the threaded pipe to rotate, and the inner wall of the threaded pipe moves rightwards slowly along the threaded rod, so that the cross rod and the threaded rod are fixed together to play a connection role, the operation is simple,and the joint is convenient to dismount and mount.

The invention relates to the technical field of ventilation devices, in particular to a ventilation device used for preventing infectious diseases in public health. The ventilation device used for preventing the infectious diseases in public health comprises an installation frame and a ventilation device body, wherein the ventilation device body is located in an inner cavity of the installation frame, a plurality of flow-guide plates distributed at equal intervals are arranged at the front side of an inner cavity of the ventilation device body, a corresponding rotating rod is arranged at one side of each flow-guide plate in a penetrating mode, one end of each rotating rod is rotatably connected with the ventilation device body, and round rods are arranged at both sides of the inner cavity of the ventilation device body. The ventilation device used for preventing the infectious diseases in public health has the advantages that disassembly is easy, and angles of the flow-guide plates can be automatically adjusted; and in an actual use process, a user can disassemble the ventilation device, and can conveniently clean and maintain the ventilation device, and the angles of the flow-guide plates can be automatically adjusted, so that the practicability of the ventilation device is improved, and the problem that an existing ventilation device cannot be conveniently disassembled by the user is solved.

The invention discloses a single-column type offshore power generation device. The single-column type offshore power generation device comprises a foundation block, wherein sliding plates are fixedlyconnected to the left side and the right side of the top of the foundation block, sliding sleeves are movably connected to the surfaces of the sliding plates, the two sliding sleeves are fixedly connected through a fixing plate, a threaded rod is fixedly connected to the middle point of the top of the fixing plate, and the tops of the two sliding plates are fixedly connected through a placing plate. According to the single-column type offshore power generation device, the sliding plates, the sliding sleeves, the fixing plate, the threaded rod, the placing plate, a connecting base, a sliding block, balls, a fastening bolt, a threaded sleeve, a rotating handle and a fixing sleeve are arranged to be matched with a supporting column, so that the height of the single-column type marine power generation device can be adjusted, the height can be adjusted in time according to the water level of the seawater, the obstruction of the water level to a fan blade is avoided, and therefore normal operation of the single-column type offshore wind power generation is guaranteed.

The invention discloses a lens connecting structure of rimless eyeglasses and rimless eyeglasses using the lens connecting structure, which belong to the field of the eyeglasses structure. The lens connecting structure disclosed by the invention comprises connecting holes formed in lenses and insertion tabs which are arranged on pile tips or a nose bridge and can be tightly inserted in the connecting holes in a matched manner to stop rotation, wherein an opening is formed in the middle part of each insertion tab along an insertion tab inserting direction, teeth are at least arranged on external sidewalls of the two sides of each insertion tab, and glue or fastening plugs are further arranged in the openings of the insertion tabs. The invention further discloses the rimless eyeglasses. According to the lens connecting structure of the rimless eyeglasses and the rimless eyeglasses using the lens connecting structure, the insertion tabs on the pile tips or the nose bridge of the eyeglasses are in close fit with the connecting holes in the lenses, the friction action between the insertion tabs and the connecting holes is improved by using the teeth on the external sidewalls of the two sides of each insertion tab, and a locking fixing force between the insertion tabs and the connecting holes is increased by arranging the glue or fastening plugs are in the openings of the middle parts of the insertion tabs, so that the lenses of the rimless eyeglasses are firm and reliable in connection and are not prone to loosening; the lens connecting structure has the advantages of simple structure, convenience and quickness in manufacturing and assembling, and the like, so that the manufacturing cost of the rimless eyeglasses is effectively reduced.

The invention discloses a crude benzene filter with high filtering efficiency. The crude benzene filter comprises a filtering casing, wherein a liquid inlet pipe is fixedly communicated onto the top of the filtering casing; a first installing casing is fixedly connected in a position, corresponding to an opening of the liquid inlet pipe, on the top of the inner wall of the filtering casing; the bottom of the filtering casing is fixedly connected with a sealed bottom cover through fixing screw bolts; the left side of the bottom of the sealed bottom cover is fixedly communicated with a liquid outlet pipe. Through the mutual matching of a first installing case, the sealed bottom cover, a second installing case, a filter core tube, a first sealing pad, a second sealing pad, a support plate, aposition limiting rod, a position limiting sleeve, a driving motor, a driving rotating shaft, a support rod, a buffer spring and a scraping plate, impurities adhered onto the crude benzene filter canbe cleaned, so that the filtering efficiency is improved; the inner wall of the filter core tube is kept away from the impurities; the efficient filtering level is always maintained; the filtering efficiency is further improved.

The invention provides a special water drainage pipeline used for building construction and capable of realizing automatic unclogging in case of clogging, and relates to the technical field of water drainage pipelines. The special water drainage pipeline aims to solve the problem that existing drainage pipelines in application fail to conveniently generate vortexes of water during the process of water drainage, fail to drive impurities in the water to flow by accelerating flowing of the water, and fail to avoid floating objects to rise when the pipelines are initially clogged. The special water drainage pipeline comprises a main body the main body is of a rectangular structure; circular connecting holes are formed in the central positions at both the upper end and the lower end of the mainbody; a connecting port is formed in the top of a top pipe; and a stressed rod at the top of a pull block is installed inside a pull groove in an embedded mode. A bottom member is used for being arranged at the bottom of the special water drainage pipeline, so when the special water drainage pipeline is in application, sewage enters the inside of the bottom member, the water can be in complete contact with a rotating member; and therefore, an inclined plate of the rotating member under stress can support the rotation, the rotating member can rotate inside a rotation groove and the inclined plate can stir falling water.

The invention discloses an open-type stone curtain wall dry-hanging component, which comprises a vertical plate, an upper supporting plate and a lower supporting plate. The upper supporting plate andthe lower supporting plate are connected with the two ends of the vertical plate correspondingly, the vertical plate, the upper supporting plate and the lower supporting plate are of an integrally-formed U-shaped structure, an upper bolt mounting hole is formed in the mode of penetrating through the upper supporting plate, a lower bolt mounting hole is formed in the mode of penetrating through thelower supporting plate, a first longitudinal bolt mounting hole and a second longitudinal bolt mounting hole are formed in the mode of penetrating through the vertical plate, and fixing ribs are arranged on the two sides of the first longitudinal bolt mounting hole and the second longitudinal bolt mounting hole correspondingly. Through the dry-hanging component, original two rows of hangers are connected to one steel crossbeam, so that the number of the steel crossbeam is decreased by half, mounting materials are saved, the welding workload is reduced, and the overall cost of a hanger mounting system is substantially lowered.