30results about How to "Avoid shelling" patented technology

The invention discloses a reinforced concrete structure based on 3D printing and a structure construction method. The method comprises the following steps that a foundation bottom plate is constructed, and a connection section is reserved on the foundation bottom plate; a steel bar structure of a structural column is bound to the connection section; a first prefabricated concrete outer shell is manufactured by adopting 3D printing, and concave-convex lines are formed in the inner surface of the first prefabricated concrete outer shell; the first prefabricated concrete outer shell is arranged on the steel bar structure of the structural column in a sleeved mode; a steel bar structure of a structural beam is bound, and the steel bar structure of the structural beam is bound to the steel bar structure of the structural column; a second prefabricated concrete outer shell is manufactured by adopting 3D printing; the second prefabricated concrete outer shell is mounted on the steel bar structure of the structural beam; concrete is poured in the second prefabricated concrete outer shell, and the structural beam and the structural column are completed. The prefabricated concrete outer shells are formed integrally by adopting a 3D printing technology, the continuous concave-convex lines are formed in the inner surfaces of the prefabricated concrete outer shells, the contact surfaces between the concrete poured in the prefabricated concrete outer shells and the inner surfaces of the prefabricated concrete outer shells are enlarged, compared with a smooth inner surface, friction is increased, bonding strength is improved, and a shell disengagement phenomenon is avoided.

The invention discloses a concrete shear wall structure based on 3D printing and a construction method of the concrete shear wall structure. The construction method comprises the following steps that (a) a first layer of prefabricated concrete shell is manufactured by adopting 3D printing; (b) a first layer of tie bars and/or horizontal bars are arranged on the top of the first layer of prefabricated concrete shell; (c) a second layer of prefabricated concrete shell is manufactured on the top of the first layer of prefabricated concrete shell, and the two ends of the tie bars and/or the horizontal bars are embedded into the prefabricated concrete shells respectively; (d) a second layer of tie bars and/or horizontal bars are arranged on the top of the second layer of prefabricated concrete shell, the step (c) is repeated until the prefabricated concrete shells are completed to reach designed elevation, and concrete is poured. The tie bars are prefabricated between an inner wall faces and an outer wall faces of the prefabricated concrete shells to prevent formwork expansion, the horizontal bars of a shear wall are also embedded between the prefabricated concrete shells, construction inconvenience brought by the horizontal bars in the later mounting process is avoided, and construction is simplified.

The invention discloses a rice milling device of a rice miller. The rice milling device includes a box body, a hopper is arranged at the top of the box body, a driving shaft is mounted at the front end of the inner side of the box body, a first gear is mounted on the left side of the outer wall of the driving shaft, a belt pulley is mounted on the left side of the driving shaft, a driven shaft ismounted at the rear end of the inner side of the box body, the driven shaft and the driving shaft are connected with the box body through bearings, and milling rollers are mounted on the outer walls of the driven shaft and the driving shaft. According to the rice milling device of the rice miller, when rice hulling is performed, rice is added into the inner side of the hopper, an external power supply of a motor is collected, a rubber sleeve is driven by the milling rollers to rotate, so that the rubber sleeve is in full contact with the rice, hull of the rice is removed, and rice hulling operation is implemented. Thus, it is shown that hulling is performed by friction between the rubber sleeve and the rice, rice pulverization is avoided, hulling operation is completed, the hulling operation speed is quick, and working efficiency is ensured.

The invention discloses a triangular strand wire rope, which comprises six rope strands and a rope core. The six rope strands are twisted uniformly outside the rope core, each of the rope strand is tangent with the rope core; the six rope strands are arranged according to a uniformly divided angle of 60 DEG; the appearance of the rope strand is substantially triangular, the rope strand comprises a strand core, three central wires, inner wires and outer wires; the strand core is a round wire strand formed by a plurality of wires; the three central wires are arranged according to a uniformly divided angle of 120 DEG, and form a triangle coordinated with the strand core; the inner wires wrap the strand core and the central wires; the outer wires are twisted outside the inner wires; the inner wires are tangent with the central wires and the strand core receptively; the outer wires are tangent with the inner wires. According to the invention, constituent elements have no interspaces between each other, so that the problems of shelling, getting loose and being poor in anti-torsion performance during the working process can be avoided, the high stability, high anit-torsion performance and high reliability of the wire rope can be obtained, and the service life of the product is improved.

The invention provides an egg shelling device, and relates to the field of egg production. The egg shelling device comprises a shelling box, a fixed plate is arranged on the outer wall of the top end of the shelling box, a feeding port is formed in the inner wall of one side of the fixed plate, a discharging port is formed in the outer wall of one side of the shelling box, a base is arranged on the outer wall of the bottom end of the shelling box, a motor is arranged on the outer wall of one side of the shelling box, an output shaft of the motor is connected with a rotating rod through a coupler, an egg fixing frame is arranged on the inner wall of the shelling box, the fixing frame is in transmission fit with the rotating rod through a belt, and mounting plates are arranged on the inner walls of two sides, close to the fixing frame, of the shelling box. According to the egg shelling device, a cracked egg shell is opened through sliding a suction cup, it is avoided that a rubber roller and an impacting mechanism are used for removing shells of eggs, and therefore the problems that the surfaces of the processed eggs are not round and complete enough, the eggs are prone to damage during vacuum packaging, and bacteria are prone to breeding on the damaged surfaces are effectively solved.

The invention relates to the technical field of plant cultivation, and particularly discloses a plastic packaging method for bulb flowers. The plastic packaging method comprises the following steps: (a) selecting proper bulb flowers in a cultivation area; (b) at least spraying a systemic bactericide to the selected bulb flowers in the cultivation area once; (c) digging out the bulb flowers sterilized by the systemic bactericide, drying the bulb flowers in the shade or in the sun, and removing leaves and cutting roots of the bulb flowers dried in the shade or in the sun; (d) carrying out secondary disinfection and sterilization on the bulbs subjected to leaf removal and root cutting treatment; (e) storing the bulbs subjected to secondary disinfection and sterilization in an environment of 0-10 DEG C for more than 35 days; (f) taking out the stored bulbs, and performing third disinfection and sterilization; and (g) wrapping the bulbs disinfected and sterilized for the third time with a thermal shrinkage film. The plastic packaging method has the advantages that the flowering phase can be accurately controlled, recycling can be achieved, a printing function can be achieved, the bulbs cannot be damaged or shaken, and sealing shells cannot be broken.

The invention discloses a tedding and air drying device for rice. The tedding and air drying device for rice includes a walking mechanism, a suction mechanism, a device main body, a front mounting plate and a rear mounting plate. The lower ends of the front mounting plate and the rear mounting plate are each provided with the walking mechanism. The rear end of the device main body is provided witha suction mechanism. The device main body includes a barrel, an air duct, a feed inlet, a discharge outlet and an electric heating piece. The middle part of the barrel is the air duct, and the air duct is S-shaped. The inner wall of the barrel is provided with a suction mechanism. The rice under the feed inlet is inhaled into the air duct through the suction mechanism, discharged from the discharge outlet through the air duct and returned to the ground. The tedding and air drying device for rice changes the traditional way of tedding, the tedding efficiency is high, the rice is avoided from peeling, and air drying can be accelerated in the tedding process.

The invention relates to the technical field of plant application, and particularly discloses a bulb flower wrapping and sealing method. The bulb flower wrapping and sealing method comprises the following steps of (a) selecting a proper bulb flower; (b) at least spraying a systemic bactericide once before digging the selected bulb flower; (c) digging out the bulb flower sterilized by the systemic bactericide, drying the bulb flower in the shade or in the sun, and removing leaves and cutting roots of the bulb flower dried in the shade or in the sun; (d) carrying out secondary disinfection and sterilization on the bulb flower subjected to leaf removal and root cutting treatment; (e) placing the bulb flower subjected to secondary disinfection and sterilization in an environment of 0-10 DEG C to be stored for more than 35 days; (f) taking out the stored bulb flower and carrying out third disinfection and sterilization; and (g) wrapping the outer surface of the bulb flower subjected to the third disinfection and sterilization with degradable fiber paste. The bulb flower wrapping and sealing method has the characteristics that the bulb flower wrapping and sealing method is green and environment-friendly, has no pollution to the environment, can increase organic matters in soil and cannot damage and die the bulb flower.

The invention discloses a method for preventing bearing body babbitt metal from shelling after pouring, and relates to the technical field of alloy pouring. The invention aims to solve the problem that the bonding force between a bearing bush body and a babbitt metal is influenced by oxidation of a tin layer and then a shelling phenomenon is generated when the babbitt metal of a traditional bearing body is poured. The method comprises the following steps: immersing the pouring surface of a pretreated bearing body bearing bush into a tin solution for first tinning, immediately and uniformly spreading anhydrous ammonium chloride powder on the pouring surface of the bearing bush after taking out the bearing bush for 10-15 seconds, then immersing the bearing bush into the tin solution for secondary tinning, immediately and uniformly spreading anhydrous ammonium chloride powder on the pouring surface of the bearing bush after taking out the bearing bush for 10-15 seconds, and finally, pouring the babbitt metal liquid to the pouring surface of the bearing bush to finish the pouring of the babbitt metal of the bearing body. The method for preventing the bearing body babbitt metal from shelling after pouring can be obtained.

The invention discloses an aluminum electrolysis crust breaking control device which comprises a crust breaking machine, an unblockage-blockage condition sensing module and a treatment device; the unblockage-blockage condition sensing module used for acquiring the unblockage-blockage condition of unblockage and blockage of an unloading hole; and the treatment device is connected with the crust breaking machine and the unblockage-blockage condition sensing module and is used for controlling the crust breaking machine to execute a crust breaking movement before unloading and when the unblockage-blockage condition is blockage only. Seen from that the unblockage-blockage condition sensing module in the aluminum electrolysis crust breaking control device can acquire the unblockage-blockage condition of unblockage and blockage of the unloading hole, and the treatment device can control the crust breaking machine to execute the crust breaking movement before unloading and when the unblockage-blockage condition is blockage only, so that unnecessary crust breaking movement is avoided, use and loss of relative software and hardware are reduced, and the electric quantity is saved at the sametime. The invention also discloses an aluminum electrolysis centralized control system. The aluminum electrolysis centralized control system has the beneficial effects same as the crust breaking control device.

The invention discloses a high-temperature anti-corrosion structure and process suitable for a severe chemical environment, belongs to the technical field of anti-corrosion processes, and can at least partially solve the problem that in the prior art, an anti-corrosion layer is short in service life under the chemical high-temperature environment of high temperature and a corrosive cavity. The high-temperature anti-corrosion structure suitable for the severe chemical environment comprises a base body and an anti-corrosion structure attached to the base body, the thickness of the anti-corrosion structure ranges from 7 mm to 12 mm, the anti-corrosion structure comprises an anti-corrosion layer, the anti-corrosion layer is attached to the surface of the base body, and the thickness of the anti-corrosion layer is at least 3 mm or above; the anti-abrasion layer is attached to the surface of the anti-corrosion layer, and the anti-abrasion layer is made of a ceramic material; the reinforcing piece is fixed to the surface of the base body and penetrates through the anti-corrosion layer and the anti-abrasion layer.

The invention relates to a quick-heat-dissipation anti-disengagement rubber roller. The rubber roller comprises a roller core, a rubber layer, an impeller, an impeller shaft, an installation seat, roller core bearings and bearing seats; the rubber layer is fixedly installed on the outer surface of the roller core; the rubber layer installation section of the roller core is a hollow roller; the impeller fixedly sleeves the impeller shaft; the two ends of the impeller shaft are fixedly installed on the installation seat; the installation seat is fixedly installed in an inner cavity of the rollercore; the impeller is parallel to the two end faces of the roller core and rotates in the circumferential direction of the roller core; gaps exist between the two top ends of the impeller and the inner cavity of the roller core; the end faces of the two sides of the inner cavity of the roller core are provided with through holes, and the through holes communicate with the inner cavity of the roller core; the roller core bearings are fixedly installed at the left end and the right end of the roller core; the roller core is fixedly installed on the bearing seats through the roller core bearings; the bearing seats are in sealed installation with the roller core and provided with oil filling ports; and a sealed oil storage cavity is formed between the bearing seats, the roller core and the roller core bearings. The quick-heat-dissipation anti-disengagement rubber roller is good in heat dissipation effect and lubrication effect, so that the maintaining and replacing cost is greatly reducedfor manufacturers.

The invention relates to the technical field of light guide connecting devices, and discloses an optical fiber device packaging package with a good anti-fracture effect, which comprises a fixing device, a protecting device, a transporting device, a filling device and a packaging device. According to the optical fiber device packaging package with the good anti-fracture effect, the filling shell is connected with the outer side of an optical fiber in a sleeving mode, the front end of a clamping nail is clamped to the front end of the inner side of a notch, at the moment, mortise and tenon butt joint is formed between the clamping nail and the notch, and due to the fact that the clamping nail and the notch are in one-way butt joint and cannot retreat, the optical fiber is effectively prevented from shelling in the using process after being fixed; the beneficial effect of fixing the optical fiber in the package and shelling is achieved, a driving motor drives a wheel shaft to rotate, the wheel shaft rotates to enable an adhesive film to be unfolded outwards, meanwhile, the optical fiber is in butt joint with an adhesive layer on the outer side of the adhesive film, the wheel shaft rotates to drive the optical fiber to rotate, the outer surface of the optical fiber is wrapped with the adhesive film, and at the moment, the notch is located on the outer side of the optical fiber, and the beneficial effect of protecting the optical fiber package to prevent breakage is achieved.

The invention provides an anti-shelling non-combustible heat preservation system for aircraft testing, and belongs to the technical field of aircraft testing. The heat preservation system is formed by splicing a plurality of heat preservation warehouse plates, and each heat preservation warehouse plate comprises an inner side face plate, an outer side face plate, a buckling frame used for connecting the inner side face plate and the outer side face plate and forming a heat preservation cavity, a heat preservation core material arranged in the heat preservation cavity and a reinforcing fastener. In the automatic production process, the inner side panel can be placed at the lower position of a production line, the bonding strength between the inner side panel and the heat preservation core material is remarkably improved, meanwhile, pitted-surface and matte stainless steel is used as the inner side panel, the heat preservation core material is reinforced through the reinforcing fasteners, and the heat preservation effect is improved. And the bonding strength of the inner side panel and the heat preservation core material can be further improved, and the heat preservation core material is prevented from being shelled.