67results about How to "Reduce leak rate" patented technology

The utility model belongs to the technical field of waterproof of lower room structures, and particularly relates to a waterproof and anti-leakage structure of a basement connection node. In order to solve the problems that complex water seepage paths are difficult to resist, the maintenance cost is increased due to inconvenience in disassembly and maintenance and a waterproof layer is easy to crack due to insufficient deformation coordination of a rigid assembly and a wall body in the existing single-layer waterproof or permanent fixed installation design, the following scheme is provided: the waterproof structure comprises an existing wall body and a newly-built wall body; a multi-stage water seepage blocking path is formed through the inner waterproof layer and the water stop steel plate, and even if a single layer is damaged, underground water pressure can still be effectively resisted; quick disassembly and assembly are achieved through threaded connection and a clamping structure, wall damage is avoided, and the maintenance cost is remarkably reduced; the flexible coiled material and the sealing rubber strip absorb structural deformation displacement, the fixing block embedment design limits displacement of the waterproof belt, long-term stability under dynamic loads is ensured, and the technical problems that a traditional waterproof layer cracks, is difficult to maintain and poor in adaptability are comprehensively solved.

The utility model discloses a pump room fire-fighting pipeline modularization rapid installation structure, and relates to the technical field of fire fighting. The device comprises a first pipeline and a second pipeline, wherein a modularized fixing assembly is fixedly connected between the first pipeline and the second pipeline. The six threaded rods can be synchronously driven to rotate at a constant speed through the driving gear-gear ring meshing transmission mechanism, the traditional manual one-by-one screwing operation is shortened to be within 2 minutes, the single pump room pipeline installation efficiency is greatly improved, the driven gear and the threaded rods are coaxially fixed, the consistency of pretightening force of all bolts is ensured, errors are reduced, and the working efficiency is improved. A hexagonal groove in the top of the driving shaft is compatible with an electric wrench and a hydraulic driving device, mechanical operation is supported, dependence on artificial experience is thoroughly eliminated, and the device is particularly suitable for pump room construction in high altitude or narrow space; and operators are liberated from high-strength stooping and climbing operation.

The utility model discloses a building integrated photovoltaics (BIPV) guide rail type water guide groove connecting structure and a water guide assembly, the connecting structure comprises a supporting groove and a limiting piece, the limiting piece is located on the inner bottom wall of the supporting groove and longitudinally extends along the supporting groove, the cross section of the limiting piece is T-shaped, the limiting piece is used for being embedded with a guide groove in the outer bottom wall of the water guide groove, and the two ends of the supporting groove are open. The supporting groove is used for being inserted into the ends of the two water guiding grooves, the inner wall of the supporting groove can be attached to the outer walls of the water guiding grooves, first flat edges are arranged at openings in the two sides of the supporting groove, second flat edges are arranged at openings in the two sides of the water guiding grooves, the first flat edges are attached to the second flat edges, and locking pieces are arranged on the first flat edges and the second flat edges. The connecting structure is used for limiting the relative displacement of the supporting groove and the water guiding groove in the longitudinal direction and is good in waterproofness, good in wind uplift resistance and easy to install. The water guide assembly has long-acting water resistance and structural stability in a complex environment, and is simple in structure, convenient to disassemble and assemble, convenient to machine, low in material consumption and large in water guide amount.

The present application provides a kind of pasting equipment and processing method of lees flavor freeze-dried food, to solve the technical problem that the paste of traditional paste work is avoided to avoid the continuous increase of air pressure in sealed paste space during paste process, and the loss of heat resources and the continuous reduction of water content in paste space material affect paste effect.The paste equipment of lees flavor freeze-dried food includes lower bucket unit and lower bucket unit.The lower bucket body is used for the accommodation of raw materials, which is heated by heating element.The piston assembly of upper bucket unit is installed in the upper bucket body.The upper bucket body and the lower bucket body are synchronously rotated around the vertical axis under the drive of the drive assembly.When the upper bucket body is attached to the top end of the lower bucket body, the upper bucket body and the lower bucket body form a sealed paste space.The piston of piston assembly is slidingly connected in the upper bucket body, and the air pressure of paste space can be adjusted.The present application also provides a processing method for paste using the aforementioned paste equipment, and the paste effect is excellent.

The application discloses an intrinsically safe isolated copper sheath fireproof cable, which comprises a copper sheath and a plurality of conductors, the plurality of conductors are uniformly distributed in the copper sheath, the copper sheath has high melting point and thermal stability, an air bag is arranged between two adjacent conductors, the air bag is filled with expansion material, the expansion material expands under heat, a heat insulation layer is arranged between the copper sheath and the conductors, the heat insulation layer is made of silicone rubber base material, the silicone rubber base material has high elasticity and thermal stability, a plurality of grooves are formed on the surface of the copper sheath, the grooves correspond to the conductors one by one, the plurality of conductors form a cavity, and a pushing piece is arranged in the cavity and used for pushing the conductors to move. The application has the effect of fireproof cable flame retardation.

The utility model discloses a universal ball bearing, universal ball bearing includes main body, load ball and oil storage spare, the main body includes first end and second end, first end has first chamber, the second end has and receives the cavity of oil injection hole, oil injection hole is connected between the receiving cavity and outside, the receiving cavity is connected in first chamber, load ball is located first end, and can rotate relative to the main body, load ball is limited in first end, and load ball's part is located in first chamber, and another part protrudes from first end, oil storage spare is located in the receiving cavity, and oil storage spare is used for absorbing lubricating oil from the injection hole injection, and can automatic injection to first chamber, the universal ball bearing in the utility model is convenient to oil injection, and can avoid the waste of lubricating oil, and the utility model relates to the field of conveying spare.

The utility model discloses an efficient integrated pretreatment system, which relates to the technical field of automatic temperature control devices and comprises a visible washing tank, a two-way needle valve is arranged at the bottom of the visible washing tank, a gas-liquid separator is communicated with the side surface of the visible washing tank, a pretreatment cabinet is arranged on the outer side of a pretreatment cabinet, and a gas-liquid separator is communicated with the gas-liquid separator. The side face of the gas-liquid separator is communicated with the membrane filter through the adjustable flow meter, the zero-point gas switching loop is arranged on the side face of the silica gel tank, by means of the pretreatment system, the replacement number of pressure reducing valves is reduced, the maintenance cost is saved, meanwhile, the liquid level is convenient to adjust through the visual water washing tank, the water washing effect is improved, and the water washing efficiency is improved. The pretreatment system is relatively high in desulfurization and sealing performance, the leakage rate of equipment is reduced, and meanwhile, the risk of pollution of a gas chamber of an online analyzer is reduced. Two paths of switchable desulfurization tanks are adopted, so that continuous and uninterrupted online measurement and online desulfurization agent replacement are realized.

The utility model relates to the technical field of sealing pipe, and disclose a new energy automobile battery cooling plate connecting sealing pipe structure, including the connecting seat of installation at the cooling liquid import and export department of battery cooling plate, the opening end of connecting seat is equipped with fixed pipe, and the opening end of fixed pipe is connected with infusion pipe through connecting pipe, the one end of connecting pipe away from infusion pipe extends to fixed pipe and is equipped with sealing joint, and the inner wall of one end of fixed pipe close to connecting seat has spherical surface, and the free end of sealing joint is ball head and is close to spherical surface, the one end of sealing joint close to connecting pipe is sealedly connected with the inner wall of fixed pipe through sealing washer, and the outer periphery of connecting pipe is fixedly equipped with fixed ring, the utility model discloses triple sealing mechanism of spherical surface sealing, sealing washer sealing combination mechanical locking, compared with traditional screw connection, can effectively reduce the leakage rate of cooling liquid, thereby satisfying the sealing requirement of high pressure cooling liquid environment.

The invention discloses an adjustable water stop assembly for a steel sheet pile enclosure structure, which is used for enclosing a plurality of mutually spliced steel sheet pile bodies, and comprises support plates symmetrically arranged on the steel sheet pile bodies; the water stop strip body is arranged on the two spliced steel sheet pile bodies and used for sealing the two spliced steel sheet pile bodies; the multiple water stop components are arranged on the water stop strip bodies correspondingly and used for clamping the water stop strip bodies and the spliced steel sheet pile bodies; the embedded column groove body is arranged at the splicing position of the two opposite steel sheet pile bodies; the first mounting part is arranged on the water stop part; the second mounting piece is arranged on the embedded column groove body; and the telescopic piece is arranged between the first mounting piece and the second mounting piece. The tightness of the water stop piece at the locking opening is adjustable, the assembly deviation and the water pressure change can be compensated, the water stop reliability is improved, maintenance and replacement are convenient, deformation at the splicing position of the steel sheet piles is avoided, and a supporting device is convenient to mount and dismount.

The utility model discloses a quick-disassembly charging basket suitable for collecting ultra-fine powder straw raw materials, which comprises a storage bin provided with a feed inlet; the first magnetic part is arranged on the feeding hole; a pipe opening in the first end of the material conveying pipe is correspondingly connected with the feeding opening; the second magnetic part is arranged on a pipe opening of the first end of the material conveying pipe and used for being correspondingly attracted to the first magnetic part; the sealing element is positioned between the pipe orifice at the first end of the material conveying pipe and the feeding hole; the technical scheme has the advantages that the discharging efficiency is high, and the dust leakage rate is reduced.

The utility model relates to industrial automation technical field discloses an industrial standard gas automatic proportioning device, including the cabinet body, the cabinet body inside is physically divided into the gas confluence area of upper part and the electrical control area of lower part, be provided with a plurality of parallel gas treatment branch in the gas confluence area, operation and display panel, set up in the front side of electrical control area, mixer, including outer mixing cylinder and inner mixing cylinder, the lateral wall of outer mixing cylinder is set up with a plurality of communicating holes, a plurality of communicating holes with the export of a plurality of gas treatment branch are linked, back pressure regulating valve, its installation in the export of outer mixing cylinder, in the utility model, through setting back pressure regulating valve, the working environment of core flowmeter is stabilized, and the proportioning precision is promoted, simultaneously, the safety interlock design of its normally closed valve, cooperate electrolytic polishing pipeline and metal face seal joint, on the basis that realizes active safety protection, guarantees the high purity of mixed gas again.

The utility model discloses a climbing button carabiner elastic rod spring feeding mechanism which comprises a spring feeding structure, a translation air cylinder, a lifting air cylinder and a rotating air cylinder, the spring feeding structure is installed on one side of a fixing plate and used for loading a spring into an elastic rod structure, the translation air cylinder, the lifting air cylinder and the rotating air cylinder are used for achieving movement of the elastic rod structure at all angles, and the spring feeding structure comprises a feeding block and an air blowing air cylinder. When a spring needs to be assembled in an elastic rod structure of a climbing button carabiner in the assembling and processing process of the climbing button carabiner, the elastic rod is grabbed up through the mechanical claw and then moved into a feeding hole of the spring feeding structure through the translation mechanism and the lifting mechanism, and then the spring is fed into the spring feeding structure. And then the spring in the feeding hole is blown into the direction of the elastic rod structure through the air blowing air cylinder, so that the spring is automatically assembled into the elastic rod structure, the purpose of mechanical automatic installation is achieved, the assembling efficiency is greatly improved, the neglected installation rate is reduced, and therefore the production quality is improved, and the labor cost is reduced.

The utility model discloses a purging and purifying device for RTO (regenerative thermal oxidizer), which comprises a central shaft, the central shaft is of a hollow shaft structure, one end of the central shaft is provided with a rotary valve rotor synchronously rotating with the central shaft, a rotary valve stator is mounted outside the rotary valve rotor, and the side wall of the rotary valve rotor is provided with a plurality of first rotor ventilation openings and a plurality of second rotor ventilation openings. A plurality of stator ventilation openings are formed in the side wall of the rotary valve stator, a first blowing opening is formed in the upper half portion of the center shaft, first partition plates are arranged on the two sides of the first blowing opening, the lower half portion of the center shaft penetrates through the blowing air inlet cavity, and a second blowing opening is formed in the portion, penetrating through the blowing air inlet cavity, of the center shaft. The rotary valve achieves the valve purging function and has the advantages of being low in leakage rate, simple in structure, long in service life of a sealing piece, low in cost and convenient to maintain.

The application discloses a silicon dioxide deposition coating process of a vertical LPCVD device, and comprises the following steps: S1, checking whether the process pipe leaks; S2, blowing the process pipe with nitrogen gas under low pressure; S3, after the leakage rate detection is qualified, nitrogen gas is blown into the gas path pipeline, so that the pressure and the gas flow of the process pipe are stabilized under the pressure and the gas flow conditions set during film deposition; S4, under the set pressure condition, a reaction gas source is introduced, and a silicon dioxide film is deposited on the surface of a semiconductor substrate; and S5, after the silicon dioxide film deposition is completed, nitrogen gas is blown into the process pipe and the exhaust pipeline, nitrogen gas is introduced to increase the pressure to normal pressure, and the boat is discharged. The application has the advantages of simple operation, good stability, high film uniformity and the like, solves the problems of poor film thickness uniformity, high process granularity, poor repeat stability and extremely harsh requirements on process pressure of the existing LPCVD when depositing a SiO2 film, and realizes high-quality wafer coating.

The utility model relates to the technical field of engine exhaust pipe, and disclose a gasket structure for engine exhaust pipe, including the gasket main part, the outer periphery edge of gasket main part and the inner circle of mounting hole are provided with first binding and second binding respectively, and the inner wall of the center hole of gasket main part has the combined sealing rib that butts with the exhaust pipe or cylinder cover gas mouth end face. The utility model discloses through first binding, second binding and the gasket main part edge of wrapping and the inner circle of mounting hole, cooperate the combined sealing rib of center hole, form multiple sealing barriers, utilize stainless steel binding and closely combine exhaust pipe and cylinder cover connecting surface, fill up tiny gap, and the combined sealing rib is further compacted sealing surface through elastic deformation, effectively reduces high temperature gas leakage rate, solves the core problem of insufficient sealing performance.

This utility model relates to a wellhead double-seal packer, belonging to the technical field of oil extraction equipment. It includes a packing box, lower sealing packing, an elastic compensation ring, a lower packing gland, an upper sealing packing, and an upper packing gland. The elastic compensation ring comprises an upper compensation ring and a lower compensation ring with conical pressing surfaces. Multiple guide posts are evenly distributed at the bottom of the upper compensation ring, and compensation rubber sleeves are fitted onto the guide posts. The upper and lower connecting flange rings are connected by locking bolts. This utility model, with its double-seal packing and elastic compensation ring, automatically compensates for gaps after wear, improving sealing reliability and reducing leakage rate by over 90%. The compensation spring and rubber sleeve work together to adapt to vibration and pressure changes under different well conditions. The guide posts, stepped holes, and limiting nut structure of the elastic compensation ring provide radial constraint and axial compensation movement space for the compensation ring, ensuring that the compensation force always acts axially on the sealing packing, avoiding force dispersion or uneven loading due to vibration.

The utility model belongs to the technical field of boiler slag discharge pipe sealing, specifically disclose multilayer sealing anti -leakage mechanism of circulating fluidized bed boiler slag discharge pipe, including slag discharge pipe, the bottom of slag discharge pipe is equipped with the cold slag ware interface hopper, is equipped with the sealing assembly between slag discharge pipe and the cold slag ware interface hopper, the sealing assembly includes the connecting seat, the connecting seat cover is established in the outer wall of slag discharge pipe, the bottom end fixed connection of connecting seat has the metal corrugated section, the top end fixed connection of cold slag ware interface hopper has the connecting plate, and the metal corrugated section is in abutment with the connecting plate, is equipped with fixed assembly between connecting seat and connecting plate, the utility model discloses the setting of sealing assembly, avoid the increase of sealing surface gap due to the pre -tightening force attenuation, and the metal corrugated section absorbs displacement through compression or elongation elastic deformation, avoid the rigid connection fixed screw rod to bear overload tension, and the connecting plate and the connecting seat sealing surface tear, prevent the pipeline from the structural damage such as bending, cracking and so on because of thermal stress concentration, and then reduce the probability of leakage.

This invention relates to a multi-point acquisition battery cover structure, comprising a battery cover, terminals, and enameled wires. The battery cover has two cylindrical flange structures, each with a cylindrical through-hole. Symmetrical structures are designed at both ends of the cylindrical through-holes. Each symmetrical structure includes trapezoidal grooves at both ends of the cylindrical through-holes, a circular groove along the waistline of the trapezoidal groove, and a groove at the outermost edge of the trapezoidal groove for installing guide plates. The symmetrical structure enhances the battery cover's ability to withstand pressure differences between internal and external surfaces. The guide plates have multiple circular holes, with each enameled wire passing through one of these holes. The battery cover flange structure is sealed by injecting structural adhesive into the inner cavity of the flange structure.

The application provides a high-voltage switch shell applied to the field of high-voltage switches, and the switch shell can form an extruded sealing layer between an outlet and a sealing cover through the arrangement of a sealing ring, thereby greatly improving the sealing performance and reducing the leakage probability of insulating gas; in addition, through the arrangement of a warning hole, when gas leakage occurs, the gas can be preferentially concentrated and gathered in the place, and through the arrangement of a warning tube, when the gas leaks, the gas detection string in the warning tube is gradually displaced under the pressure of the gas, thereby triggering a signal switch and making an alarm sound, so that the staff can be timely alarmed about the insulating gas leakage, compared with the prior art, the staff can take corresponding treatment measures in a timely manner, thereby greatly reducing the safety hazards.

This utility model relates to the field of underground engineering, specifically to a connection structure between a pipe and a manhole, including a lower manhole, a splicing section at the top of the lower manhole, an upper manhole at the end of the splicing section away from the lower manhole, and a manhole cover connected to the end of the upper manhole away from the splicing section. The lower manhole includes a through hole for connecting a drainage pipe, the diameter of the through hole being larger than the diameter of the drainage pipe. An annular groove is provided on the inner wall of the through hole for grouting to fill the gap between the inner wall of the through hole and the drainage pipe. A water-stop ring is embedded in the annular groove, and the water-stop ring is coaxially arranged with the drainage pipe. The lower manhole, the splicing section, and the upper manhole are all prefabricated structural components. A first protrusion is provided on the top of the lower manhole, a first groove is provided at the end of the splicing section facing the lower manhole, and the first protrusion engages with the first groove. A second protrusion is provided at the end of the splicing section away from the first groove, and a second groove is provided at the end of the upper manhole facing the splicing section, and the second protrusion engages with the second groove.

The utility model relates to a building outer wall anti-leakage structure, which relates to the field of building waterproofing, and comprises an inserting part, a connecting part and a connecting part, the connecting part is arranged at the end of the inserting part and used for forming a connecting plane, and a through hole is formed in the middle of the connecting part and extends from the inner ring surface of the inserting part; the brim part is arranged in the axis direction of the inserting part, one end of the brim part is connected to the connecting part, and the other end of the brim part penetrates through the upper portion of the hole to play a shielding role. According to the utility model, the plug-in part is used for fixing, the connecting part is used for plane sealing, and the shielding part is used for shielding at the connecting position of the bolt, so that the normal use of the mounting hole is ensured, a multi-level waterproof barrier is formed, and the leakage risk is reduced.

The utility model discloses a kind of vacuum glue injection equipment of integrated ultra-low leakage rate and quick sealing function, comprising: equipment frame, the positioning table for positioning and placing product is equipped on the equipment frame upper end, vacuum glue injection cover is movably lifted by limiting guide rod and is equipped on the outside of positioning table, glue injection shaft, glue injection plate rotation is driven by gear transmission by servo motor, cooperate equidistant glue injection head, realize 360 ° rotation glue injection. Compared with traditional fixed glue injection head, it can be flexibly adapted to the multi-angle glue injection needs of complex products, solve the single problem of glue injection path, ensure that colloid is evenly distributed, effectively improve product yield. Vacuum pump, pneumatic butterfly valve and vacuum pressure sensor constitute intelligent system. Sensor real-time monitoring pressure in vacuum glue injection cover, feedback to control system, automatically adjust butterfly valve opening degree and pump operation, change the instability of manual adjustment, ensure that vacuum degree is stable during vacuum glue injection process, reduce bubble generation, improve product quality.

The utility model relates to fluid pump valve technical field, and disclose a kind of leakage-proof fluid pump valve parts, including flange plate body, the surface of flange plate body is equipped with compression device, compression device includes sealing sleeve ring, sealing sleeve ring is slidably connected with the surface of flange plate body, the surface of sealing sleeve ring is slidably connected with compression plate, the both sides of compression plate are fixedly connected with short rod, the arc surface of two short rods is slidably connected with push plate, fixed rod is slidably inserted in push plate, one end of fixed rod is fixedly connected with round plate, the arc surface of flange plate body is equipped with two fixed slots, the arc surface of fixed rod is covered with spring, the both ends of spring are fixedly connected with round plate and push plate respectively, the arc surface of short rod is rotatably connected with rotary ring.This kind of leakage-proof fluid pump valve parts, avoid the gap in flange plate body, cause fluid to leak, thereby leading to the situation that the efficiency of fluid pump is reduced.

The invention relates to a material receiving device and a material receiving method for preparing a carbon nano tube, and belongs to the technical field of carbon nano tube aggregate preparation and high-temperature chemical process equipment. The invention provides a material receiving device for preparing a carbon nano tube. The material receiving device mainly comprises a bin body, and a clean gas chamber, a dirty gas chamber and other structures which are arranged in the bin body. The invention aims to overcome the defects in the prior art and provides an integrated material receiving device special for preparing the carbon nanotube aggregate under the conditions of high temperature and high flow. According to the invention, a low-efficiency multi-stage series connection mode with potential safety hazards is abandoned, cooling, filtering, unloading and safety monitoring functions are integrated in a single pressure container through a highly integrated design, and continuous, safe and efficient material receiving under the protection of a fully-closed inert atmosphere in the whole process is realized.

The utility model relates to the technical field of nozzles for injection molding, in particular to an injection mold runner nozzle, which comprises a shell, a nozzle body and a nozzle cover, the spraying assembly is detachably arranged at the bottom end of the hollow flow channel; the valve pin is arranged at the hollow flow channel in a sliding manner; wherein a first accommodating groove and a second accommodating groove are formed in the bottom end of the hollow flow channel; the spraying assembly comprises a valve nozzle assembly arranged at the first containing groove, a third containing groove is formed in the top end of the valve nozzle assembly, and a penetrating spraying channel is formed in the lower side of the valve nozzle assembly. The fixing piece is detachably arranged in the second containing groove, is arranged in a hollow penetrating mode and is arranged on the outer side of the valve nozzle assembly in a sleeving mode; the supporting ring is clamped to the third containing groove, a first through hole is formed in the middle of the supporting ring, two or more second through holes are evenly formed in the peripheral side of the first through hole, and the second through holes communicate with the hollow flow channel and the avoiding part correspondingly. The utility model discloses a runner nozzle of an injection mold, and aims to solve the problem that a valve pin of an injection nozzle in the prior art is easy to deviate in the radial direction.

This invention relates to a sophorolipid-modified recycled aggregate, phase change concrete, and their preparation method, belonging to the field of building materials technology. The preparation method of the sophorolipid-modified recycled aggregate includes: immersing the recycled aggregate in an oxalic acid solution and rinsing it, then immersing it in an acetic acid solution and rinsing to obtain oxalic acid-modified recycled aggregate; mixing and stirring it with a sophorolipid solution to obtain recycled aggregate adsorbed with sophorolipids; preheating the sophorolipid-adsorbed recycled aggregate and mixing it with liquid paraffin, vacuum impregnating it to remove free paraffin, and cooling to obtain the sophorolipid-modified recycled aggregate. The oxalic acid solution can peel off the old mortar from the surface of the recycled aggregate, exposing the hydrophilic sites of hydroxyl groups; sophorolipids connect the hydroxyl groups of the aggregate and the alkane chains of the paraffin; the vacuum impregnation method increases the paraffin loading and reduces the paraffin leakage rate. This solves the technical bottlenecks of numerous surface defects in recycled aggregates, incompatibility between paraffin and aggregate interfaces, and the difficulty in simultaneously achieving the mechanical properties and phase change properties of concrete.

This utility model discloses a drive and feeding structure for use inside a spraying equipment, comprising: a drive system: a servo motor output end equipped with a pinion gear meshing with a planetary gear assembly; the planetary gear assembly includes two planetary gears mounted on a planetary carrier via pins, a gear ring meshing with the planetary gears, and a square keyway in the inner hole of the planetary carrier; a transmission system: one end of a transmission shaft is press-fitted to the keyway of the planetary carrier via a milled flat end, and the other end is equipped with a cam; a ball bearing is press-fitted onto the cam and mates with the inner hole of a connecting rod; the connecting rod has a ball-pin structure, and its U-shaped open end is connected to a plunger via a fixing pin and a retaining ring; and a pump system. This utility model adopts a planetary gear transmission structure combining a planetary carrier, double planetary gears, and an internal gear ring to achieve high torque output, smoother movement, and reduced pressure fluctuations.

The invention provides an RO (reverse osmosis) device assembly mounting and positioning method and system based on a total station, and relates to the field of water purification. The RO device assembly mounting and positioning system based on the total station comprises a high-precision automatic tracking total station, a special optical reflection target and adapter, an integrated control terminal, a communication unit and power supply and auxiliary equipment. By ensuring natural centering of all components, residual stress generated in a pipeline, a flange and a container due to forced correction is avoided, the long-term operation risk caused by stress corrosion and fatigue cracking is fundamentally eliminated, accurate flange centering and parallelism control are achieved, it is ensured that a gasket is evenly stressed, and the service life of the gasket is prolonged. The probability of leakage in operation is greatly reduced, the intrinsic safety of the system is improved, the system converts complex space judgment into simple locating operation according to pictures, ordinary workers can complete high-precision operation under guidance, and the pressure of shortage of professional skill talents is relieved.

The utility model discloses a kind of precast concrete windowsill coping components, including component body, the component body includes integrally-formed flat section and bevel section, the component body inside pre-buried 4 longitudinal reinforcement, longitudinal reinforcement one end protrudes component body from bevel section and exposes as lap section;So bevel section sets up two length-through waterproof groove.The technical effect and advantage of the utility model: construction efficiency improves: precast component is installed with masonry synchronously, eliminates maintenance waiting period, and windowsill construction cycle is shortened to 1 day;Anti-cracking performance is excellent: bevel occlusion structure makes joint place crack resistance strength improve;Waterproof performance is reliable: double waterproof groove makes node leakage rate reduce;Structure integrality is good: pre-buried reinforcement and cast-in-place section form whole;The innovation of the present application is successfully cracked traditional windowsill construction quality common fault through the organic combination of precast component standardization production and field assembly construction, provides new industrialization solution for masonry structure engineering.