56results about How to "Reduce pouring" patented technology

The invention relates to high-performance foaming cement, which comprises cement slurry and foams, wherein the cement slurry is prepared from the following raw materials in parts by weight: 100 parts of cement, 10-30 parts of gypsum powder, 10-50 parts of active admixtures, 10-40 parts of mineral admixtures, 1-5 parts of re-dispersible gelatine powder, 0.5-1.5 parts of cellulose ether, 0.2-1.0 part of water reducing agent, 0.1-0.5 part of water repellent and 40-90 parts of water; and the foams are prepared from the following components in parts by weight: 1 part of foaming agent, 0.2-0.8 part of foam stabilizer and 30-50 parts of water. A preparation method of the high-performance foaming cement comprises the steps of: (1) preparing the cement slurry; (2) preparing the foams by using a foaming machine; and (3) mixing and uniformly stirring the cement slurry and the foams according to the weight ratio of 1:(0.1-1), and pouring and molding. The high-performance foaming cement disclosed by the invention has high closed porosity and small shrinkage value, and integrates the performances of heat insulation, sound insulation, water repellent, shock resistance, fire protection, durability, low carbon and environmental protection into a whole.

The invention discloses a self-propelled inverted arch template construction method for a tunnel, which comprises the following construction steps of: setting out a control line for an inverted arch digging section and a longitudinal construction joint according to the design requirement; performing smooth-wall blasting digging on an inverted arch of the tunnel; moving an inverted arch trestle in place; conveying inverted arch stone slag out of the tunnel by using an excavator and a conveying device and abandoning the stone slag in a slag field, and cleaning an inverted arch base; assembling an inverted arch end template; laying steel rails, and moving the inverted arch template to longitudinally move in place per se; starting a hydraulic device to lower the inverted arch template, and supporting the template firmly by using a screw jack; pouring inverted arch concrete; and curing the concrete with equal strength, folding the screw jack, withdrawing a hydraulic cylinder, and releasing a die. The construction method has low cost, is convenient to operate, and improves the construction efficiency; and the longitudinal construction joint is vibrated densely compared with common template construction, and has positive effect of improving the construction quality of tunnel engineering.

The invention discloses a simple monitoring device for earth surface cracks. The device includes a convergence instrument, a geological compass and two fixed rods, the two fixed rods are located at two sides of an earth surface crack, and a connecting line of the two fixed rods is vertical to an earth surface crack trend; hooks on two ends of the convergence instrument are hung on the tops of the two fixed rods, and the geological compass is close to a steel ruler of the convergence instrument too measure an azimuth angle of the connecting line of the fixed rods; the fixed rods adopt hollow stainless steel tubes, reflective paints are painted on surfaces of upper parts of the stainless steel tubes, and tail ends of the stainless steel tubes are diagonal planes convenient to insert in soil mass; the stainless steel tube and an edge of the earth surface crack of the same side have an interval of at least 1m; the tops of the stainless steel tubes are 0.3 to 0.7m from an earth surface; and the hook of one end of the convergence instrument is extended through a connecting rod. The simple monitoring device for earth surface cracks only needs to firmly hammer the stainless steel tubes into the soil mass, and thus construction is very simple; and the device can be used repeatedly, thereby reducing monitoring cost.

The invention discloses a system for controlling in and out of storage of steel plates. The system is characterized in that a steel plate is provided with a bar code label, and a bar code scanner thereof is connected with a palm computer PDA (Personal Digital Assistant); an RFID (Radio Frequency Identification) label is arranged at each stack position in a warehouse, and a reader-writer thereof is connected with the palm computer PDA; and the palm computer PDA is connected with a crane vehicle computer and a system computer through a wireless communication apparatus. The system shortens the time of ERP (Enterprise Resource Planning) information update such that the daily update of the information becomes the update in time, provides timely material information for production management, reduces the working time of workers from 12 h per day at present to 8-9 h, reduces errors of steel plate information and provides more accurate information for management, and decreases the unnecessary material-pouring and return and greatly saves electric power consumption.

The invention relates to a roughening-free construction method and mould for a precast hollow slab girder, relates to the field of bridge building construction, and solves the problem that the surfaceof the precast hollow slab girder is difficultly roughened. The roughening-free construction mould comprises a bottom formwork of a rectangular groove structure with an opening in the upper end, an end formwork and a lateral formwork, wherein the lateral formwork comprises an external plate and a plurality of inner lining plates which are detachably connected to the inner side of the external plate, a plurality of paralleled protruding ribs which make contact with the surface of the precast hollow slab girder are arranged on the inner surfaces of the inner lining plates, grooves are formed inthe inner side face of the external plate, the inner lining plates are inserted into the grooves and are flush with the surface of the external plate, and locking bolts penetrate through the externalplate from the outer side face to the inner side face and are in threaded connection with the inner lining plates. In the slab girder precasting stage, roughening is conducted, grooved rough surfaceswhich are uniformly distributed are formed, and construction is simple.

The invention provides a pile body (or column body) concrete vibrating rod lifting device and a construction method thereof. A cross beam is used for being placed at the opening position above a formwork frame; a plurality of winches and a plurality of counterweight vibrating platforms are arranged on the cross beam; the winches are connected with the counterweight vibrating platforms through lifting ropes; a plurality of vibrating motors are arranged on the counterweight vibrating platforms; the vibrating motors are connected with vibrating rods; and every two adjacent counterweight vibrating platforms are connected through a connecting rod. By using the device, manual descending for vibrating operation can be avoided, the safety risk of a conventional vibrating process is avoided, and compared with conventional manual descending for vibrating, the concrete pouring and vibrating time is shortened, and the construction efficiency is greatly improved. The vertical and full-section vibrating range of concrete can be effectively controlled by controlling the wellhead winch and changing the position of the wellhead cross beam, the construction quality of pile body or column body concrete is ensured, and the device has high popularization value in terms of safety, quality and efficacy.

The invention discloses a negative pressure evaporation and step-by-step feeding method of a nickel sulfate solution. The method comprises the following steps: preparing the nickel sulfate solution to be produced; performing vacuum pumping on a negative pressure evaporator; performing continuous heating on the solution in the negative pressure evaporator; performing cooling and crystallization on the concentrated solution; and further performing step-by-step feeding. The method is characterized in that the step-by-step feeding and the vacuum pumping operation are simultaneously performed. Therefore, the volume of the evaporation device can be fully utilized, the number of times of operation can be reduced, and the purpose of improving working efficiency can be further achieved. The method disclosed by the invention has the characteristics of fast evaporation speed, high production efficiency and simple operation, the number of equipment used by the method is small, and the equipment occupies small area, and is environment-friendly and pollution-free.

The invention relates to a spraying sandwiched concrete shear wall structure of a clamp die fixing machinery and a construction method; the method comprises the following steps: a precast steel mesh core plate is installed on a poured-in-place underbeam/foundation correspondingly, then a clamp die column and a clamp die of a clamp die beam are installed, two side surfaces of the steel mesh core plate are fixed by the clamp die, a concrete layer is sprayed mechanically on the surface of the steel mesh core plate, a steel mesh of the steel mesh core plate is solidified in the concrete layer, then the clamp die column and the clamp die beam are poured in place, vibrating is conducted in the pouring process, and the poured concrete is densely solidified with the corresponding edge of the concrete layer, so that a frame light sandwiched concrete beating wall body can be formed. By adopting the method, the effects of integrity, strength, impact resistance, shock resistance, heat insulation, energy conversation and the like of the wall body can be greatly improved, the self weight of the wall body can be reduced, the pouring formwork can be saved by 60%, the working can be reduced, the construction period can be accelerated, the engineering manufacturing cost is lowered, and the invention is particularly suitable for shear walls of multi-layer and high-rise buildings and construction.

The invention provides a member of a prefabricated concrete framework used for steel joint connection. The member comprises bottom-layer column members, middle-layer column members, top-layer column members and crossbeam members. The upper ends of the bottom-layer column members are equipped with upper column joints. The lower ends of the middle-layer column members are provided with lower columnjoints and the upper ends thereof are provided with the upper column joints. The middle parts of the middle-layer column members are equipped with node areas I. The lower ends of the top-layer columnmembers are equipped with lower column joints and the upper ends thereof are provided with node areas II. Two ends of each crossbeam member are both equipped with beam joints I. The node areas I of the middle-layer column members are equipped with multiple brackets I extending transversely. The end part of each bracket I is provided with a beam joint II. The node areas II of the top-layer column members are provided with multiple brackets II extending transversely. The end part of each bracket II is provided with a beam joint II.

The present invention relates to a process for producing oligomers and a method for improving the low temperature properties of fatty alkyl esters by using these oligomers. The oligomers according to the present invention are used as pour point depressant and cloud point reducer to improve the pour point and cloud point of fatty alkyl esters such as isopropyl, butyl, ethyl, ethylhexyl esters particularly fatty acid methyl esters at low temperature.

The invention relates to the technical field of water faucet manufacturing equipment. A water faucet forming mould comprises a lower mould frame, a lower mould core, an upper mould core and an upper mould frame, wherein the lower mould core is fixedly arranged on the lower mould frame; the upper mould core is fixedly arranged on the upper mould frame; a side core-pulling mechanism is arranged on one side of the lower mould frame; an oblique guide pin sliding block mechanism is arranged on the other side of the lower mould frame; the side core-pulling mechanism comprises a direct pushing part and a rotating part; the rotating part and the direct pushing part are hinged; the rotating part is hinged into the lower mould core; the oblique guide pin sliding block mechanism is movably connectedto the other side of the lower mould frame; and the oblique guide pin sliding block mechanism and the lower mould frame form movable connection through an oblique guide pin. According to the water faucet forming mould provided by the invention, the casting dosage is less, so that the waste is reduced; the mould is simple in overall structure and low in cost; through arranging a cooling system, thecooling speed is improved; and the side core-pulling mechanism is driven through a connecting rod, and one movement action and one rotation action are produced at the same time and are associated, sothat the precision for processing every time is high.

The invention discloses an encapsulating device, which comprises an isolating cover, and an encapsulating machine, a sealing machine and a bottle outlet mechanism which are arranged in the isolating cover and connected with one another; the bottle outlet mechanism comprises a shifting wheel bottle-conveying component and a bottle-packaging disc; the shifting wheel bottle-conveying component is arranged at the bottle outlet end of the sealing machine; and the bottle outlet end of the shifting wheel bottle-conveying component is connected with the bottle inlet end of the bottle-packaging disc through a friction conveying belt component. The encapsulating device has the advantages of simple structure, steady and stable bottle conveying, safety and high efficiency.

There is provided a pour point depressant for lubricants that has an effect of lowering pour points of both solvent refined base oils and high viscosity index base oils. A pour point depressant for lubricants comprising: a mixture of an alkyl(meth)acrylate polymer (A) that is composed of an alkyl(meth)acrylate containing alkyl groups having an average carbon number (CA) of 12.5 to 13.8, and an alkyl(meth)acrylate polymer (B) that is composed of an alkyl(meth)acrylate containing alkyl groups having an average carbon number (CB) of 13.9 to 15.5.

The invention discloses a medical garment for after-delivery lactation. The medical garment comprises a rear garment piece and a first wearing cylinder, a left garment piece and a right garment pieceare fixedly connected to the surface of the rear garment piece separately, and sleeves are fixedly communicated with the surfaces of the left garment piece and the right garment piece; operation portsare formed in the surfaces of the left garment piece and the right garment piece, lactation ports are formed in the surfaces of the left garment piece and the right garment piece, the inner walls ofthe two sides of the two operation ports are fixedly connected through zippers, and the inner walls of the two sides of the two lactation ports are fixedly connected through zippers. According to themedical garment for after-delivery lactation, during actual use, if a puerpera needs lactation after delivery, one hand stably supports an infant, the other hand pulls out the zipper of the lactationport and the operation port of the side, the hand extends in the garment from the corresponding operation port, the breast is supported, the position is adjusted, and lactation for the infant is conducted at the corresponding lactation port; since the lactation ports and the operation ports are vertically formed, the zippers are pulled when the garment is not used and can be posed at vertical bags, and that is to say, breast-shaped check pieces are arranged so that the psychological burden of the puerpera can be avoided.

The invention relates to the field of robots, in particular to an intelligent cart meal delivery robot. The intelligent cart meal delivery robot comprises a robot body, wherein a groove is formed in the surface of the robot body, a movable plate is installed in an inner cavity of the groove, guide grooves are formed in the two side walls of the inner cavity of the groove, guide blocks are inserted into inner cavities of the guide grooves, and the two sets of symmetrical guide blocks are fixedly connected with the two side walls of a movable plate correspondingly. According to the intelligent cart meal delivery robot, when the robot body is braked, a bearing plate can drive a limiting sliding block to slide on the inner side and the outer side of a limiting sliding groove, at the moment, the robot body can automatically adjust the current of an electromagnet so that the current can be gradually reduced, and therefore the limiting sliding block and the bearing plate can gradually and slowly slide towards the outer side, impact of inertia is effectively weakened, therefore, pouring of cooking liquor can be greatly reduced, the quality of dishes can be guaranteed, pollution is reduced, and the device is practical and suitable for being widely popularized and used.

The invention discloses a liquid-based thin-layer cell sheet production clamp, belongs to a vertical sheet production clamp for a centrifugal liquid-based thin-layer cell sheet production machine andaims at providing the liquid-based thin-layer cell sheet production clamp capable of reducing outflow of cells on a glass slide with water and furthermore ensuring that the cells on the glass slide are collected. A technical scheme of the liquid-based thin-layer cell sheet production clamp has the key points that a baffle is arranged between inner walls of lower ends of sedimentation tubes; the lower end of the baffle is in contact with the glass slide; the baffle is arranged to be close to the center position of the sheet production machine, and the length of the baffle is smaller than the diameter of the sedimentation tube; a space formed by the sedimentation tube and the glass slide is divided into a cell sedimentation region and a water absorption region by the baffle; the cell sedimentation region is arranged to be close to the center position of the sheet production machine; the upper end of the baffle is provided with a moving plate located on the same plane with the baffle; oneend of the moving plate is hinged with the inner wall of the sedimentation tube, and the other end of the moving plate is in contact with the inner wall of the sedimentation tube; the moving plate isprovided with a tension spring above the cell sedimentation region; and the inner wall, located in the water absorption region, of the sedimentation tube is provided with water absorption cotton.

The invention provides a quick-closing slow closure structure of an axle-flow type check valve. The quick-closing slow closure structure comprises a valve clack, a spring, a guide rod and a piston. The valve clack is connected with the guide rod. The spring is connected with the valve clack. The piston is arranged at the right end of the guide rod. According to the quick-closing slow closure structure of the axle-flow type check valve, on the condition that strokes of the valve clack of the check valve are identical, the valve closing time of the quick-closing slow closure structure is shorter; within the same valve closing time, the amount of media flowing backward in the check value is less; the water hammer effect of the check valve in the valve closing process is effectively reduced; the requirement of the check valve of the quick-closing slow closure structure for space of a valve cavity is lower than that of a check valve with a full-stroke piston mechanism.

The invention discloses a batch automatic production line for small-dose bottled liquid preparations, and belongs to the technical field of pharmaceutical production equipment. The batch automatic production line comprises a bottle body feeding section, a washing, drying, filling and sealing section, a sterilizing and lamp inspection section and a labeling and packaging section which are sequentially connected, a conveying device used for transferring materials is arranged among the sections, and a bottle falling prevention assembly is arranged on the conveying device. The bottle body feeding section comprises an unboxing station and a plurality of unpacking stations, the washing, drying, filling and sealing section comprises a washing and drying station and a filling and sealing station, the sterilizing and lamp inspecting section comprises a sterilizing station and a lamp inspecting station, and the labeling and packaging section comprises a labeling station and a packaging station. The batch automatic production line has the advantages that the automation degree is high, the production process is continuous and stable, and bottle bodies are stable and not prone to toppling over in the conveying process.

The invention relates to a trolley, in particular to a trolley facilitating unloading in building construction. According to the trolley facilitating unloading in building construction, in the transportation process of building materials, the main body can be blocked, and the building materials are prevented from shaking out. A trolley facilitating unloading in building construction comprises a placing plate, first connecting blocks, wheels, a first handle and a loading frame, the first connecting blocks are arranged on the front side and the rear side of the right end of the bottom of the placing plate, the two wheels are rotationally arranged between the lower portions of the two first connecting blocks through rotating shafts, and the wheels are rotationally arranged at the left end of the bottom of the placing plate through rotating shafts. The telescopic rod of the air cylinder extends to drive the first fixing block to move towards the upper side, the first fixing block drives the loading frame to rotate, and the loading frame pours out the building materials, so that the building materials are automatically poured out, manual pouring out of the building materials is reduced, and the working efficiency can be improved.

The invention belongs to the technical field of cleaning tools and discloses a mop cleaning and wringing bucket kit. The mop cleaning and wringing bucket kit comprises a bucket body and a sponge mop,wherein a water squeezing assembly is slidably connected into the bucket body, the bucket body comprises a cleaning bucket and a water squeezing bucket, a plurality of guide slopes are formed in the water squeezing bucket, the water squeezing assembly comprises a water squeezing frame and a squeezing part, the sponge mop comprises a mop head and cleaning sponge. When the water squeezing frame moves downwards, the squeezing part rotates towards the middle part of the water squeezing bucket along the guide slope, compressing and dehydrating the cleaning sponge, and a lower end of the water squeezing frame is fixedly connected with a plurality of drainage air bags used for draining the water in the water squeezing bucket into the cleaning bucket. The mop cleaning and wringing bucket kit is provided with the mop cleaning bucket and the mop squeezing bucket, the cleaning sponge is compressed and dewatered through a squeezing roller, the water in the water squeezing bucket can be dischargedinto the cleaning bucket in the using process, the water in the water squeezing bucket is always located at a low height, then the height of the bucket body can be reduced, and the cleaning device iscompact in design structure, low in cost and convenient to use and store.