1800results about How to "Easy to plug in" patented technology

The present invention relates to core-shell type polymer microspheres, preparation and applications thereof. The preparation comprises: adding deionized water, an emulsifier and a dispersing agent to a reaction kettle, slowly stirring and dissolving, adding a styrene base monomer, a vinyl polymer cross-linking agent and an initiator, introducing nitrogen to replace air of the reaction kettle, heating to a temperature of 70-85 DEG C, reacting to form a core structure, adding a reaction solution containing acrylate, a styrene base monomer, a vinyl polymer cross-linking agent and an initiator in a dropwise manner, forming a shell structure on the core structure surface, cooling to a room temperature, discharging the material, and filtering to obtain the product. According to the core-shell type polymer microspheres of the present invention, the internal core structure is formed by the reaction of the styryl monomer and the vinyl polymer cross-linking agent, the shell layer of the microspheres is formed through the copolymerization of the acrylate, the styrene base monomer and the vinyl polymer cross-linking agent, and produces volume expansion under the downhole oil-gas effect so as to bond and seal the micro-crack in the cement sheath or the interface micro-gap, and the sufficient strength of the microspheres after expanding is ensured through the core portion of the microspheres.

The invention provides a temperature-resistant and salt-resistant latex blocking agent. The latex blocking agent is prepared from, by weight, 100 parts of hydrophobic monomers, 0.5-25 parts of hydrophilic monomers, 0.1-10 parts of emulgator, 0.01-5.5 parts of a buffer agent, 0.01-4.5 parts of molecular weight modifier, 0.01-6.9 parts of a protective agent, 0.01-2.3 parts of initiator and 67-172 parts of deionized water. The latex blocking agent has good blocking and water loss reduction effects and is resistant to high pressure and high temperature, and a formed mud cake is dense, thin and tough.

The invention provides a foaming-free fast-curing high-strength leak-stopping waterproof polyurethane grouting material. The material is composed of a component A and a component B, wherein the component A comprises isocyanate monomer, isocyanate prepolymer and highly-hydrophobic environment-friendly plasticizer, the component B comprises high-activity polyether polyol, chain-extending cross-linking agent, highly-hydrophobic environment-friendly plasticizer and antioxidant, and a volume ratio of the component A to the component B is 1: 1. The leak-stopping waterproof polyurethane grouting material has low viscosity, is convenient to grout, has the characteristics of no foaming and fast curing and the advantages of good leak-stopping effect, high mechanical strength and wet bonding strength and excellent aging resistance, and is applicable to rapid leak stopping, water prevention and reinforcement of distress in concrete of an underground construction.

A test fixture interfaces plural units under test (UUTs) with test equipment within a common equipment rack. The test fixture supports a plurality of vertically spaced apart shelf units. A shelf unit has a support surface and an input/output connector panel adjacent thereto, that define a UUT insertion cavity. An input/output connector panel contains cable terminations that terminate cables to various testing equipments. Insertion of a UUT into the insertion cavity places communication ports of the UUT adjacent to cable terminations of the adjacent input/output connector panel. Jumper cables interconnect communication ports of the UUT with cable terminations of the adjacent input/output connector panel.

The present invention relates to a surface plasmon resonance (SPR) biosensor, especially to a micro prism array SPR biosensor module. The objective of the present invention is to resolve problems in the technology in existence, such as that the operation course to build up a SPR biosensor is two complicated and tedious, and the technological request is too high. Said micro prism array SPR biosensor module comprises a SPR biosensor and prisms which is a micro prism array comprising at least one line prisms, wherein said micro prism array contains a base level which tother side is plated with gold film, silver film and chromium film at positions corresponding to places where the prisms locate. Said micro prism array SPR biosensor module radically simplifies the operation course to build up a SPR sensor; and improves the quality of detection signals at the same time, and is capable of performing a plurality of detections at one time. The sensor module has a low manufacturing cost, and then it is favourable to promote the application of said sensor module in clinical tests.

The invention discloses an inner plugging air bag for leakage of a risk source pipeline and a quick plugging method thereof. The plugging device of the risk source pipeline consists of a sealing mechanism, a flow guide mechanism, a retaining mechanism and a fixing mechanism which are connected with one another. In the method, the plugging air bag, an aeration joint external aeration pump, a flow guide pipe connecting nozzle and a flow guide ball valve are used as plugging flow guide elements; and quick plugging for pipeline leakage is realized by aerating the plugging air bag by using extensibility of the rubber air bag. The inner plugging air bag has a simple structure, light weight and a good plugging effect, can be repeatedly used, is suitable for plugging the risk source pipeline of toxic gas and liquid and the like, and can also be used for inner plugging for leakage of a heat pipeline, a water supply pipeline, a chemical industry pipeline and even a large-sized pipeline.

The invention provides a drilling fluid and a preparation method thereof. The drilling fluid comprises base slurry and additives, wherein the additives include a high-softening point asphalt composition particle, a performance regulator, a stable dispersant and a stable dispersing aid, the addition amount of the high-softening point asphalt composition particle is 2% to 5% of the total mass of the drilling fluid, and the average particle size of the high-softening asphalt composition particle is 10 to 120 mm. The preparation method comprises the following steps: (1) preparing the high-softening point asphalt composition particle; and (2) adding the high-softening point asphalt composition particle into the drilling fluid and then adding proper additives like the performance regulator, a surfactant and a film-forming additive so as to allow the high-softening point asphalt particle to be uniformly and stably dispersed into the drilling fluid. The drilling fluid provided by the invention overcomes the problem that high-softening point asphalt is hard to be crushed into fine particles and has difficulty in stable dispersion in a water-based drilling fluid, and the drilling fluid can be widely used in the process of drilling operation for deep oil and gas.

The invention discloses application of a gel material in tooth extraction. The application is characterized in that the gel is applied to a tooth socket after a tooth is extracted to promote bone healing and formation of a new bone; the gel material is temperature-sensitive hydrogel or solvent-sensitive gel; the phase transition temperature of the temperature-sensitive hydrogel is in a range of 25 to 36 DEG C, namely when the temperature is lower than the phase transition temperature, the gel material is liquid, and when the temperature is higher than the phase transition temperature, the gel material is solid; and the solvent-sensitive gel means that the gel material is not dissolved in water but easily dissolved in a solvent, and the gel material is liquid when being dissolved in the solvent and solid after the solvent is reduced.

The invention discloses a low softening point emulsified asphalt for a drilling fluid, and a preparation method thereof. The emulsified asphalt comprises, by weight, 25-50 parts of an oil slurry, 10-35 parts of a solvent oil, 1-4 parts of a non-ionic surfactant, 1-4 parts of a cation surfactant, 0-4 parts of a C2-C4 alcohol, and 30-40 parts of water. The preparation method comprises: adding a solvent oil and a non-ionic surfactant to an oil slurry, carrying out heating and uniform stirring to obtain an oil slurry mixing liquid, carrying out mixing heating stirring on water, a C2-C4 alcohol and a cation surfactant until the cation surfactant is dissolved, adding the oil slurry mixing liquid, and stirring at a temperature of 45-90 DEG C to obtain the low softening point emulsified asphalt. The emulsified asphalt has the following characteristics that: the emulsified asphalt is easily dispersed in water, and has characteristics of low softening point, good anti-sloughing effect and good lubricating performance; with the emulsified asphalt, the broken stratum can be well cemented at a low temperature, hole wall cracks can be plugged, and hole wall stability can be increased; and the emulsified asphalt can be widely used in geological drilling, petroleum and natural gas well drilling, geoheat drilling and the like, oil slurry recycling is achieved, and process cost is reduced.

The invention relates to a steam brush with an automatic water supplementing function, and relates to the technical field of steam ironing. The steam brush is inserted into a water supplementing base,and therefore synchronous water supplementing and charging are carried out. A battery and a water storage tank are arranged in the steam brush; after the steam brush is separated from the water supplementing base, the steam brush has the capacity of being independently used after being separated; and infrared geminate transistors carry out high-water-level induction on the water storage tank, andthe water supplementing degree is detected. The steam brush has the effects of being convenient to insert, high in aligning efficiency and synchronous in water supplementing and charging.

The invention provides a gluing device in medical apparatus mounting equipment, and belongs to the technical field of medical apparatus mounting equipment. The technical problem that the existing gluing device is low in gluing automation degree is solved. The gluing device comprises a dispensing seat, a glue injecting barrel and a glue returning barrel, the dispensing seat is provided with a cavity for providing an opening through which a target work-piece is capable of accessing; the inner side of the cavity is further provided with a glue outlet, the outer side of the dispensing seat is further provided with a glue inlet; the interior of the dispensing seat is provided with a glue inlet channel for communicating the glue outlet and the glue inlet, the bottom of the dispensing seat is provided with a glue returning channel for communicating the cavity and the external; the glue injecting barrel is communicated with the glue inlet through a first connecting pipe, and the glue returning barrel is communicated with the outlet of the glue returning channel through a second connecting pipe. The gluing device provided by the invention is provided with an opening so that the target work-piece can be conveniently inserted, the glue outlet is formed at the side of the cavity so that the adhesion amount of the glue on the target work-piece can be automatically controlled by utilizing the self-weight of the glue, and the precise and constant control can be achieved.

The invention discloses a reverse osmosis water processing method and a reverse osmosis drainage system in a construction period of a concrete faced rockfill dam. A drainage blind material is arranged in a horizontal interface between a transition area and an upstream rockfill area, a sleeving is connected with one side, arranged on the upper stream, of the drainage blind material, the other side of the sleeving is connected with a horizontal drain pipe with a one-way water stop valve, connection threads are respectively arranged outside two ends of the horizontal drain pipe, the other side of the horizontal drain pipe is connected with a drainage hose, the other end of the drainage hose is placed in a water-collecting well, and a vertical drain pipe is further arranged. The reverse osmosis water processing method and the reverse osmosis drainage system in the construction period of the concrete faced rockfill dam are particularly applicable for reverse drainage in the construction period of the concrete faced rockfill dam, wherein the concrete faced rockfill dam is deep in foundation excavation of riverbed section toe boards, and long in upstream bedding filling construction period, and a dam body needs flood crossing and water retaining.

The invention relates to a busway jack box with high safety performance. The jack box comprises a box body, wherein a jack seat, pins and a support positioning mechanism are arranged at the bottom of the box body; a locking mechanism is respectively arranged on two sides of the box body; the jack seat is fixed at the bottom of the box body through a fixed seat of the jack seat, and the pins can run through horizontal fixed grooves; a jack seat gasket is arranged at the bottom of the support positioning mechanism, and is arranged around the inner wall of the horizontal fixed groove, and is fixedly connected with the fixed seat of the jack seat through screws, so that the jack box can be jacked accurately, conveniently and quickly, and the safety and reliability of hot plugging can be ensured.

The invention relates to rolling equipment for road construction in the field of road construction equipment. The rolling equipment comprises a trolley plate and rollers. A traction ring is arranged on the trolley plate; the trolley plate is provided with second straight plates; and idler wheels are arranged at the second straight plates. An asphalt paving structure is arranged at the left end ofthe bottom of the trolley plate. A tamping structure is arranged at the right end of the asphalt paving structure and comprises a rotating motor, a crankshaft, a rotating plate, a sliding plate, a mounting plate, a first tamping plate and a second tamping plate; the crankshaft is arranged at the rotating motor and is provided with the rotating plate; and the rotating plate is provided with the sliding plate provided with a mounting plate, the first tamping plate and the second tamping plate; conical teeth are arranged on the mounting plate, a pavement humidifying structure is arranged at the right end of the tamping structure; a humidifying structure is provided with a compacting structure; the compacting structure comprises first straight plates and compression rollers, the first straightplates are symmetrically arranged at the bottom of the trolley plate, and the first straight plates are fixedly connected with the compression rollers through fixedly connected bearings. The asphaltcompactness is improved, the working efficiency is greatly improved, a problem that existing asphalt paving equipment is uneven in paving is solved, and the rolling pressure of the compression rollersis reduced.

The invention discloses a bottle stopper extraction tool. The bottle stopper extraction tool is characterized in that: a pair of gear handle stamping components is matched with a motion positioning groove of a conical drill leftwards and rightwards; and two gear handles are rotationally positioned on gear handle seats on the two sides of the upper part of a hollow column respectively by using connecting pin shafts, so that the conical drill of the extraction tool drives the gear handles on the two sides during the up-and-down motion to rotate around respective rotary pin shafts, the gear handles are pressed down to rotate, and motive power can be converted into a pull force for the conical drill to move upwards. The bottle stopper extraction tool has the advantages that: the stamped hollow column is low in structure cost and easy to process; a bottle stopper is opened through the symmetrical operation of the two gear handles; and the operation is performed stably and reliably, so that the damage of the combination of the conical drill and the bottle stopper to the bottle stopper is small and the stopper is pulled out easily.

The invention particularly relates to an efficient blocking method for shear wall through-wall bolt holes. The problems, existing in current shear wall through-wall bolt hole blocking, that time and energy are wasted, mortar is wasted seriously, repairing is difficult, and leakage hidden trouble and thermal bridge phenomenon are prone to occur are solved. The efficient blocking method for the shear wall through-wall bolt holes comprises the following steps that a, bolt holes are formed after concrete pouring of a shear wall is finished; b, a wooden wedge drilling pipe is selected and installed on a percussion drill I to drill, and a PVC pipe is taken out; c, a frustum-shaped alloy bit is selected and installed on the percussion drill I, and a flare opening is formed in the external end of the bolt holes; d, glue is applied, and a prefabricated mortar block is fixed to the external end of the bolt holes; e, when grouting is conducted, interfacial agents are centrifugally sprayed on the inner wall of the bolt holes, then expansive cement mortar is sprayed on the surfaces of the interfacial agents and is extruded to the center of the front end of the bolt holes; and f, the inner end of an outer wall is padded manually until compact is achieved. According to the efficient blocking method for the shear wall through-wall bolt holes, constructing efficiency is improved, and meanwhile, occurrence of leakage hidden trouble and thermal bridge phenomenon are thoroughly avoided.