743results about How to "Easy to operate on site" patented technology

The invention relates to a multi-point forming device for a plate. The device comprises a die carrier, a plurality of upper pressure head pressurizing units and a plurality of lower pressure head supporting units, wherein the plurality of upper pressure head pressurizing units are arranged on an upper flat plate of the die carrier; the plurality of lower pressure head supporting units are arranged on a lower flat plate of the die carrier; each upper pressure head pressurizing unit consists of an upper pressure head, a spring and a travel adjusting component; an upper pressure head is arrangedin a positioning hole on the upper flat plate of the die carrier, and can move up and down along the axis of the hole; the spring is arranged between the upper pressure head and the upper flat plate of the die carrier; each lower pressure head supporting unit consists of a lower pressure head, a plunger and a hydraulic cylinder; the hydraulic cylinder is fixed on the lower flat plate of the die carrier; and the plunger is connected with the lower pressure head. A forming curved surface can be formed optionally and is easy and convenient to adjust. Any element is not required to be adjusted inreal time in a forming process, and stable and uniform normal pressure always acts on the plate, so that effective normal constraint is formed and the plate can be effectively prevented from wrinkling. The device has a reasonable structure, is easy to operate, works reliably, and is an ideal multi-point forming device for the plate.

The invention discloses a water soluble corrosion inhibitor, the preparation method and the application of the corrosion inhibitor, solving the defect of narrow application range of the corrosion inhibitor pH in the prior art; the water soluble corrosion inhibitor is composed of 20-70 weight proportion of imidazolines derivates, 1-10 weight proportion of pyridine derivates, 1-20 weight proportion of corrosion inhibition auxiliary agent and 10-50 weight proportion of solvent, based on the total weight of the corrosion inhibitor as the reference. The water soluble corrosion inhibitor in the invention has corrosion inhibition effect on the metal material in the medium with wide PH variation range (pH equals to 1-10) and good metal surface film formation property.

The invention relates to coating materials of iron base alloy with high corrosion and wear resistance, and preparation method. 1) Hot spraying materials are wires processed by using metallic tapes covering metal-powder. 2) Hot spraying materials have high ability of forming amorphous, whose components are as follows: 13-20% Cr, 0.2-5% Mn, 0.2-5% B, 0.05-1% C, 0.1-0.5% Si, 0.02-0.5% of S and P. At least one of the following alloy elements is selected: (1) One or more of Al, Ga and Sn is contained. (2) One or more of Mo, W and V is contained. Total of the two group of alloy element is more than 0.5%. The rest is Fe. 3) Coats getting directly by hot spraying are composite materials of amorphous and nanocrystalline, which have both wear resistance and corrosion resistance. Based on simple preparation and low cost, coats are applicable for field construction.

The invention provides a transformation calibration method and system for a mechanical arm coordinate system. The transformation calibration method comprises the steps that S1, based on a tracking measurement device arranged in the working range of a target mechanical arm, the coordinate rotation transformation relation of a tail end tool coordinate system relative to a measurement reference coordinate system is obtained through a tail end coordinate system translational movement method; S2, the coordinate homogeneous transformation relation of the tail end tool coordinate system relative to amechanical arm base coordinate system is obtained through a single-axial rotation method based on the tail end tool coordinate system and kinematic transformation relative to the mechanical arm basecoordinate system; and S3, based on coordinates of selected calibration sampling points, the coordinate homogeneous transformation relation of the mechanical arm base coordinate system and the measurement reference coordinate system is obtained through a multipoint gravity center solution method, a gravity center processing method and a Roderick matrix transformation solution method. The calibration procedure is simple, the calibration algorithm is free of the iterative process, the consumed time of coordinate calibration can be effectively reduced, and the calibration precision of the coordinate systems is improved.

The invention provides an intelligent multiparameter-monitoring buoy device. The intelligent multiparameter-monitoring buoy device comprises buoy equipment, water quality monitoring equipment, communication equipment and power supplying equipment, wherein the buoy equipment is used for enabling the whole buoy device to float on the surface of water, the water quality monitoring equipment is used for monitoring water quality, the communication equipment is used for realizing data transmission between the water quality monitoring equipment and a shore-based main station side and positioning the water quality monitoring equipment and the shore-based main station side, and the power supplying equipment is used for supplying power. According to the intelligent multiparameter-monitoring buoy device, by adopting an embedded-type low-power-consumption design, the integral volume of an instrument compartment and a buoy is reduced; by adopting an intelligent operation mode, the timed, continuous or specified monitoring on water quality is realized; by adopting intelligent electrical quantity management, the effective operation of a solar power supplying system is realized; by adopting a multi-mode mutually-standby communication mode, the real-time property of data is improved, and the risk of out-of-touch is lowered; a sensor with a self-cleaning device is adopted, and intelligent analytical judgment is carried out by integrating a variety of information, so that the quantity of field maintenance is minimized; and the buoy is subjected to integrated protection in multiple manners such as electricity, sound, light and the like, so that the influence on the safety of the buoy caused by marine environments, fishery activities and the like is lowered and prevented.

The invention provides a concrete releasing agent for an aluminum alloy template of a building. The releasing agent comprises the following components in parts by weight: 8-15 parts of grease, 1-3 parts of fatty acid monoglyceride or fatty acid diglyceride, 2-5 parts of fatty acid, 1-3 parts of resin, 0.05-0.5 parts of basic metal compound, 3-5 parts of inorganic filler and 1-5 parts of solvent. The releasing agent coats the aluminum alloy template of the building and is used in the concrete pouring technology, the concrete releasing quality is good without obvious blister, and the releasing agent residue surface matter is easily removed and the releasing agent is suitable for use for single or multiple times, and the service life of the template is prolonged.

The invention discloses a large-span tunnel arch secondary lining steel bar binding construction method based on skeleton beams. A bound tunnel arch secondary lining steel bar comprises an outer layer reinforcement mat, an inner layer reinforcement mat and a vertical connecting bar for connecting the outer layer reinforcement mat with the inner layer reinforcement mat. The construction method comprises the following steps of: arranging skeleton beam: arranging a plurality of skeleton beams below a tunnel arch primary supporting structure from front to back, wherein the skeleton beams are arch-shaped beams of which the radiuses are the same as that of the outer layer reinforcement mat, and the plurality of skeleton beams construct a load bearing structure of a tunnel arch secondary lining steel bar; and II, binding the tunnel arch secondary lining steel bar: binding the outer layer reinforcement mat on the upper parts of the plurality of skeleton beams, and suspending the inner layer reinforcement mat on the outer layer reinforcement mat through the vertical connecting bar. The method has the advantages of simple construction process, convenience in constructing, good use effect, high practical value, no damage to a paved waterproof structure and easiness and convenience in controlling the deflection of a large-span station arch secondary lining steel bar.

The invention relates to the technical field of petroleum extraction, in particular to a fracturing fluid stock solution, a full-filling preposition-free sand adding fracturing method and a fracturing fluid cross-linking solution thereof. The fracturing fluid stock solution is prepared from guargum, clay stabilizer, potassium chloride, cleanup additive, bactericide, pH regulator, fluid loss additive, low-temperature activator and water. The invention reduces the well entrance solution amount of the fracturing fluid, reduces the secondary pollution and damage to sensitive ground layers by the fracturing fluid, shortens the occupation and production period, reduces the operation cost and has high fracturing fluid efficiency. The supporting crack is fully filled, wide seams are formed in zones near a well, the diversion capability of cracks near the well is effectively improved, and the after pressure yield of the single well is improved. The process is simple and can be completed without the assistance by special equipment, so the in-site operation is convenient. The invention can be widely used for the oil layer transformation of low-seepage and water-sensitive storage layer oil gas zone blocks.

The invention relates to a plugging agent suitable for large leakage, its preparation method and a leaking stopping technology. The invention is suitable for repeatable large leakage, belonging to the field of petroleum drilling. The plugging agent comprises the following ingredients by the following weight ratio: clear water: HSD (HHH): HD-1: HD-2: LD-102: DF-A: barite = 100: 12-15: 4-5: 7-8: 4-5: 30. According to the invention, by reinforcing the interaction among ingredients, maximizing the structural strength of the plugging agent entering a leak layer, maintaining the trend that the leak layer is gradually enhanced with time after injecting the plugging agent in the leak layer, and further increasing the pressure bearing capacity of the leak layer, the leakage problem of a repeatable return-lost large-scale absorption well can be solved, the problem of leaking stopping existing in the prior art can be overcome, and the one-time leak stopping success rate is increased.

The invention discloses a preset nut type steel-reinforced concrete compound pier template fixing device and a construction method thereof. The fixing device mainly comprises a template, a nut, a screw rod, a PVC protecting pipe, an inner keel and an outer keel. The nut is welded on a steel column, the template surrounds the periphery of the steel column, the outer keel is arranged around the outer side of the template, the inner keel is arranged between the template and the outer keel, one end of the screw rod is connected with the nut by a thread, the PVC protecting pipe is sleeved on the screw rod, and the other end of the screw rod is fixed on the outer keel by a 3-shaped buckle. The invention has simple structure, low cost, and simple and convenient construction, solves the difficulty of fixing the steel-reinforced concrete compound pier template, is convenient for the field construction operation and lightens the workload and the labor intensity. The inner keel, the outer keel, the template and the screw rod can be repeatedly used so as to save the cost, ensure the construction safety of the template and improve the forming quality of the concrete column; meanwhile, the fixing device adopts common materials, thereby lowering the cost and being convenient for popularization and application.

The invention discloses a full-tail paste composite material and a preparation method thereof, which belong to the field of inorganic nonmetallic material. The composite material consists of the following raw materials in percentage by weight: 2.8 to 22.0 percent of gelling agent 1, 57.8 to 75.0 percent of filling aggregate 2, 14.8 to 24.8 percent of water 3 and the balance of coagulant 4 which is 10 to 30 percent of the weight of the gelling agent, wherein the filling aggregate 2 consists of full-tail sand 8, water granulated slags 9 or gravels 10; the gelling agent is continuously and uniformly added into a pasty sizing agent by a metering device 5; one end of the metering device 5 is connected with a coagulant container and a water tank, and the other end of the metering device 5 is connected with a section of small-diameter pipeline 6 on a filling main pipe; a one-way check valve 7 is arranged behind the metering device 5 to ensure the flow direction of the coagulant 4; and a small amount of gelling agent is added into the filling sizing agent, so that the setting time can be kept between 30 minutes and 1,200 minutes. By adopting the method, the setting time of the paste material can be adjusted, the cycle period of a slope is shortened, field operation is convenient, and a reliable effect is achieved. The method is suitable for all kinds of full-tail paste filling materials of metal mines.

The present invention discloses a fluorescence labeled acroleic acid-sodium allylsulfonate copolymer and a method for preparing the same. The method comprises the following steps: 4-bromine-1,8-naphthalic anhydride, methylamine, N-methyl diethylenediamine, and the like are used as material and is subject to amidation reaction, amination reaction, and quaternization reaction to be synthesized, and a novel fluorescence monomer 4-(N'-methyl-1-diethylenediamine)-N-methyl-1,8-naphthalimide allyl chloride quaternary ammonium salt is obtained by synthesis; and then the fluorescence monomer is copolymerized with sodium hypophosphite, acroleic acid and sodium allylsulfonate to obtain the FC-AA-SAS product. The raw materials for synthesizing the fluorescence monomer and the polymer are easy to obtain and the reaction conditions are mild. When the product is used in circulating water, the thickness of a medicament in a circulating water system can be accurately, duly and quickly measured through the variation of the fluorescence intensity, and the on-line medicine addition and the quantitative control are realized. Therefore, the on-site operation is largely simplified, and the management level is improved. The functional groups, such as sulfonic group, phosphino group and the like, are introduced into molecules, and thus the polymer has a plurality of functions, such as fluorescent tracing, anti-precipitation, disgregation and the like.

The invention discloses a grouting material used for controlling detached murals of Tibetan antique buildings, and a production method thereof. The material mainly contains PS as major component, coal ash, Aga soil and sodium fluosilicate. The grouting material is innoxious and odorless, doesn't cause environmental pollution or damage murals. Based on mural consolidation by using the grouting material, the invention can efficiently control the spread of detached murals of Tibetan antique buildings and provides a feasible approach to the consolidation of large-area detachment and stripping of murals of Tibetan antique buildings.

The present invention provides a kind of special combination machine tool repairing the large-scale unmovable overhead device; it possesses all kinds of function such as boring, milling and cutting and belongs to the machining device field. According to different machining object the present invention can assemble and unassemble different machine tool, many functions can be piled up. The machine tool structure adopts floor milling machine frame, and its circuit adopts one-drive-two frequency conversion control technique, to fit milling, boring and cutting device together. The machine tool can quickly move toward three-dimensional direction and lock any direction to make machining steady going. Moreover it has highly precision and simple machine structure.

The present invention discloses a process for treating salt deposition in a fractionating tower. A purpose of the present invention is to overcome disadvantages of time consuming, device shutdown or amount reducing, hidden danger of corrosion, and the like in the prior art, wherein the amount is the amount of the deposited salt. The method comprises that: a salt deposition inhibitor is consecutively added to the an oil product before the oil product enters a tower top reflux pipeline of the fractionating tower or a tower top circulating pump inlet of the fractionating tower, wherein 30-60 mg of the salt deposition inhibitor is added to per kg of the oil product in the tower top reflux pipeline of the fractionating tower or the tower top circulating pump inlet of the fractionating tower, the adding time is 30-60 hours, the salt deposition inhibitor comprises, by weight, 30-70% of an aliphatic nitrogen compound, 10-30% of alkyl alcohol and 20-40% of an organic solvent.

The invention discloses a double-sided forming welding process of FGB process one-sided submerged arc welding. The process comprises the steps of: S1, butt-jointing ground two to-be welded steel plates to from a groove; S2, adhering a liner; and S3, when the groove is a V-shaped groove, filling alloy powder and then covering the groove with sintered flux and when the groove is an I-shaped groove, covering the groove with sintered flux, and pulling a welding wire for submerged-arc welding for automatic primary formed welding through a submerged arc welding machine for the I-shaped groove or the V-shaped groove covered by the sintered flux, wherein the welding parameters are as follows: the welding current is 400-1200A, the welding voltage is 25-45V and the welding speed is 10-80cm/min. By improving the composition ratio of raw materials of the sintered flux, the alloy powder and the ceramic liner, different welding modes are adopted due to different thicknesses of the welded steel plates; angular deformation is effectively avoided on the basis of improvement of the welding efficiency, and the process has the beneficial effects of simple field operation and wide application range.

The invention provides a method used for detecting low voltage operation capability of a reactive power compensator in a wind power field. The method comprises steps that a voltage drop generation device is connected with a power generation line of the reactive power compensator in the wind power field; a voltage tracking control point is set, and parameter setting of the reactive power compensator is adjusted; an operation power of the reactive power compensator is limited, a set value protection mode of the line and the reactive power compensator is adjusted to make the voltage drop generation device and the reactive power compensator be matched in capacity, and tests are carried out on the condition of safety; the low voltage operation capability of the reactive power compensator is analyzed according to the test result. According to the method, characteristic parameters of the reactive power compensator in the wind power field are adjusted, technical support is provided for electric power scheduling departments, wind power field service providers and relevant detection mechanisms, and whether the reactive power compensator has the low voltage operation capability can be effectively verified.

The invention discloses geopolymer-based glue powder polyphenyl particle thermal insulation mortar. The glue powder polyphenyl particle thermal insulation mortar is common thermal insulation mortar and is well received due to good application property, convenient operation and good thermal insulation property. However, the glue powder polyphenyl particle thermal insulation mortar also has certain disadvantages that the surface is low in strength, and the mortar can be easily weathered, can not resist low temperature and is low in drying speed and poor in cohesive force with a wall surface. The glue powder polyphenyl particle thermal insulation mortar mainly comprises a glue powder material, polyphenyl particles and water, wherein the glue powder material mainly comprises dry powder sodium silicate, superfine slag powder, fly ash, micro silicon powder, lignocellulose, synthetic fibers, calcium stearate and a surfactant. According to the geopolymer-based glue powder polyphenyl particle thermal insulation mortar, geopolymer replaces the conventional cement, and the formula is improved. The geopolymer-based glue powder polyphenyl particle thermal insulation mortar adopting the raw material ratio has the advantages of strong cohesive force, good thermal insulation property, low temperature resistance, high compressive strength, high curing speed, and convenience and quickness in on-site operation.