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11results about How to "Avoid crack phenomenon" patented technology
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Wear-resistant sagger
ActiveCN222481126UImprove workpiece strengthAvoid crack phenomenonCharge supportsStructural engineeringWear resistance
Owner:WUXI SHUNJIA SPECIAL CERAMICS CO LTD
Steel billet anti-oxidation coating material, preparation method and steel
The invention discloses a steel billet anti-oxidation coating material, a preparation method and steel, the steel billet anti-oxidation coating material is characterized in that the steel billet anti-oxidation coating material comprises steel slag powder, ceramic powder and a high-temperature-resistant adhesive, and the ceramic powder comprises aluminum oxide powder, zirconium oxide powder, magnesium oxide powder, silicon oxide powder, calcium oxide powder and titanium oxide powder; wherein the mass ratio of the steel slag powder to the ceramic powder is 1: (1.6-1.8); based on the steel billet anti-oxidation coating material, the weight percentage of the high-temperature-resistant adhesive is 20-35%. The steel billet anti-oxidation coating material is scientific and reasonable in proportioning, the steel billet is coated with the steel billet anti-oxidation coating material, the use requirement for spraying at the high temperature is met, the special requirements for coating compactness, high temperature resistance, oxidation resistance and other performance of steel at the temperature not exceeding 1300 DEG C are met, and an anti-oxidation coating formed on the surface of a steel ingot or the steel billet does not crack.
Owner:HENAN LVTIANHE ENERGY SAVING & ENVIRONMENTAL PROTECTION TECH CO LTD
Arc welding device for air conditioner casing
ActiveCN118513643BEasy to weldImprove work efficiencyWelding protection meansGear wheelAir conditioning
The invention discloses an arc welding device for an air-conditioning shell, and relates to the technical field of arc welding devices, comprising a box body and an argon arc welding body, wherein a strip opening is symmetrically opened on the top surface of the box body, a fixing plate is slidably arranged in the strip opening, a connecting shaft is rotatably arranged in the box body, a gear one and a gear two are respectively fixedly connected to the top and bottom of the connecting shaft, and a strip tooth plate two is arranged on the fixing plate; a bracket is fixedly connected to the top surface of the box body, a screw rod is rotatably arranged at the bottom of the bracket, a fixing assembly is arranged on the screw rod, and a gear three is arranged at the bottom of the screw rod; an electric push rod is installed in the box body, and a driving assembly is arranged at the telescopic end of the electric push rod; the invention realizes fixing the outer shell of the air-conditioning unit first by using the driving assembly and other auxiliary components, so as to avoid shaking when welding the foot of the outer shell of the air-conditioning unit, thereby causing misalignment of the foot welding, which is beneficial to the welding of the foot of the outer shell of the air-conditioning unit; then the foot is fixed on the outer shell of the air-conditioning unit, so as to improve the working efficiency of the foot welding.
Owner:WUHU ZHUOYUE AIR CONDITIONING PARTS CO LTD
Bearing device
PendingCN119262513AImprove impact resistancereduce vibration amplitudeContainers to prevent mechanical damageRigid containersTransmittanceHorizontal orientation
The invention discloses a bearing device, and relates to the technical field of photovoltaic glass transportation. The bearing device comprises a first bearing part and a second bearing part; the upper surface of the first bearing part is provided with a plurality of first chutes which are arranged at intervals in the horizontal direction, and a preset included angle is formed between the first inclined direction of the first chutes and the horizontal direction; the second bearing part is correspondingly arranged above the first bearing part, a plurality of first inclined through holes which are formed at intervals in the horizontal direction are formed in the second bearing part and correspond to the first inclined grooves, the first inclined through holes and the first inclined grooves are inclined in the first direction, and the center lines of the corresponding first inclined through holes and the first inclined grooves are collinear; a gap space is formed between the second bearing part and the first bearing part, and the corresponding first inclined through holes and the first inclined grooves can bear the photovoltaic glass in the first direction. The problems that in the photovoltaic glass transportation process, the photovoltaic glass is affected by vibration or horizontal impact, the surface of the photovoltaic glass is scratched and collided, cracks are generated, and the light transmission performance of the photovoltaic glass is affected are solved.
Owner:TUNGHSU TECH GRP CO LTD
Preparation method of retaining ring composite electroslag ingot
The invention relates to a preparation method of a retaining ring composite electroslag ingot, belongs to the technical field of electroslag remelting smelting, and solves the problems that in the prior art, a retaining ring forge piece has forging cracks and is poor in surface quality, and an existing composite steel ingot has component difference and is complex in preparation process. According to the preparation method of the retaining ring composite electroslag ingot, the bottom, the main body part and the top of the composite electroslag ingot are made of different materials, and the preparation method comprises the following steps that 1, electrodes of the main body part of the composite electroslag ingot are prepared; step 2, preparing an electrode at the end part of the composite electroslag ingot; step 3, preparation before electroslag remelting of the composite electroslag ingot; 4, sequentially completing remelting of the bottom, the main body part and the top of the composite electroslag ingot in an electrode replacement mode; and 5, cooling solidification and demolding are conducted, specifically, after the steel ingot obtained after smelting is completed is subjected to mold cooling for 5-6 hours in a crystallizer, demolding is conducted, and the composite electroslag ingot with the end part and the main body part made of dissimilar materials is obtained. And the preparation of the retaining ring composite electroslag ingot with high metallurgical quality is realized.
Owner:TIANJIN HEAVY EQUIP ENG RES +1
Method for measuring saturated hydraulic conductivity of soil
PendingCN119413533AAvoid crack phenomenonimprove continuityPreparing sample for investigationWater resource assessmentSoil characteristicsWax
The invention relates to the technical field of soil characteristic testing, in particular to a soil saturated hydraulic conductivity measuring method which comprises the following steps: preparing a cylindrical soil sample; preparing a wax-sealed cylindrical soil sample; preparing a soil sample piece for measuring the saturated hydraulic conductivity; and executing a water penetration test. Due to the large forming thickness of the wax sealing body, the phenomenon that the wax sealing body cracks in the ring cutting process can be avoided, it is guaranteed that the wax sealing body in the ring cutting state has good forming regularity and tissue continuity, and the phenomenon that the wax sealing body is overcut can be avoided; furthermore, in the girdling process, the sampling cutting ring in the temperature rising state can heat the wax sealing body in the pre-removal area to soften the wax sealing body, so that the sampling cutting ring can smoothly go deep into the wax sealing body, and the original solidification forming defect can be repaired in an accompanied manner; besides, in the water penetration testing process, testing water can only penetrate through the cylindrical soil sample, and even if the wax sealing body and the sampling cutting ring are not in tight contact, the accuracy of the saturated hydraulic conductivity of the soil can be improved.
Owner:XIDI (SUZHOU) SURVEY & DESIGN CONSULTING CO LTD
A kind of aging device for processing nano calcium carbonate
ActiveCN117732299BImprove purityImprove Chen Hua EffectCalcium/strontium/barium carbonatesRotary stirring mixersActivated carbonThermodynamics
The present invention relates to the technical field of aging equipment for processing nano calcium carbonate, and discloses an aging device for processing nano calcium carbonate. The present invention comprises an aging barrel, the top of which is fixedly connected with an aging cover, when the upper rotating shaft moves in the opposite direction, the threaded plate falls inside the water storage barrel, because the water storage barrel and the reflux box are both sealed, the threaded plate refluxes the water inside the reflux box during the falling process, the threaded plate drives the elastic rope to fall, the elastic rope drives the annular scraper to rise inside the cooling shell, the annular scraper drives the auxiliary cotton block to rise, and the auxiliary cotton block drives the buoyancy ring to rise, so as to clean the water and rust that will be attached to the outer wall of the aging barrel after long-term work, and in the rising process of water and rust, due to the setting of the activated carbon plate, the rust debris can be adsorbed, the purity of water is enhanced, and the nano calcium carbonate can be water-cooled for multiple times, thereby enhancing the aging effect of the nano calcium carbonate.
Owner:ZHEJIANG BUSHI NEW MATERIAL CO LTD
Casting part rapid cooling device for casting
The utility model discloses a casting part quick cooling device for casting, and relates to the technical field of casting part cooling, the casting part quick cooling device comprises a box body, a water tank and a conveying assembly, the lower surface of the box body is fixedly connected with the upper surface of the water tank, and a water outlet pipe is fixedly connected below the right side of the water tank; and a feed port which is through inside and outside is formed in the lower part of the right side of the box body. According to the casting part cooling device, the cooling assembly is arranged to preliminarily cool a casting part, the driving motor, the fixing rod and the threaded rod are arranged to enable the convex placing assembly to move downwards and enable water in the water tank to submerge the casting part in the convex placing assembly, and therefore the effect of rapid cooling is achieved; the casting part cooling device solves the problems that an existing spray head is low in speed of spraying water to cool a casting part and cracks occur when the casting part is in direct contact with water at the high temperature, and achieves the effects that the cooling speed of the casting part is high, and meanwhile cracks are prevented through preliminary cooling treatment on the casting part.
Owner:DALIAN HUIYING MACHINERY
Temperature-controllable steam heating chemical reaction kettle
ActiveCN222384820UEasy to detectAvoid thermal expansion and deformationChemical/physical/physico-chemical stationary reactorsThermal dilatationExhaust valve
The utility model provides a temperature-controllable steam heating chemical reaction kettle which comprises a kettle body, one side, close to the bottom, of the kettle body is fixedly connected with supporting legs, one side of the top of the kettle body is respectively provided with a feeding groove and a water injection hole, the inner wall of the kettle body is provided with a heating pipe, the other side of the top of the kettle body is communicated with an exhaust pipe, and the exhaust pipe is communicated with the kettle body. An exhaust valve is arranged on the outer side of the exhaust pipe; a cavity is formed in the kettle body; the stirring mechanism comprises a motor arranged at the top of the kettle body, an output shaft of the motor is fixedly connected with a connecting shaft, and the outer side of the connecting shaft is fixedly connected with stirring blades; and a detection mechanism. The temperature-controllable steam heating chemical reaction kettle provided by the utility model solves the problems that some existing temperature-controllable steam heating chemical reaction kettles lack a function of detecting the internal temperature of the device, so that the device is easy to expand, deform or crack during excessive heating.
Owner:FUJIAN ZHANHUA CHEM
Roller compacted concrete for hydraulic engineering and preparation method thereof
PendingCN122254813AAvoid crack phenomenonHigh compressive strengthRoller-compacted concreteCrack resistance
This invention discloses a roller-compacted concrete (RCC) for hydraulic engineering and its preparation method, belonging to the field of concrete technology. The RCC for hydraulic engineering of this invention incorporates a basalt fiber-modified micro-expansion component. The preparation method of the basalt fiber-modified micro-expansion component involves cutting basalt fibers into 6-12mm fibers, dry-mixing them uniformly with steel slag powder and magnesium oxide expanding agent, and then spraying emulsified asphalt for surface coating and granulation. This invention's RCC for hydraulic engineering avoids cracking by innovatively adding the basalt fiber-modified micro-expansion component. Simultaneously, this RCC meets the actual needs of hydraulic engineering, exhibiting high compressive strength, good crack resistance, high durability, and high reliability.
Owner:SHANDONG HUIYU CONSTR GRP CO LTD
Drying equipment for magnesia carbon brick production
ActiveCN222460180UImprove cooling efficiencyAvoid crack phenomenonDispersed particle filtrationDomestic cooling apparatusBrickCooling chamber
The utility model relates to the technical field of magnesia carbon brick drying equipment, and discloses drying equipment for magnesia carbon brick production, which comprises a drying kiln body, a sealing door is arranged at an inlet of the drying kiln body, cooling chambers are symmetrically arranged on two sides of one end, far away from the drying kiln body, of the sealing door, and the interiors of the two cooling chambers are both communicated with a fan. Flow guide cylinders are rotatably arranged on the opposite side surfaces of the two cooling cavities, flow guide holes are formed in the two symmetrical side surfaces of each flow guide cylinder, the flow guide holes in one side surface are uniformly formed in the middle of the side surface, and the flow guide holes in the other side surface are formed in the two sides of the middle of the side surface; according to the magnesia carbon brick cooling device, the peripheral side of a dried magnesia carbon brick can be cooled, the cooling efficiency is improved, meanwhile, the guiding-out angle of cooling airflow can be adjusted according to different use requirements, the cooling requirements under different conditions are met, and damage to a brick body of the dried magnesia carbon brick is avoided.
Owner:郑州汇丰新材料科技有限公司