48results about How to "Improve deformation ability" patented technology

A three-dimensional anti-seepage structure under the sandy loam geological condition is of a three-dimensional closed structure formed by vertical anti-seepage walls, a horizontal anti-seepage layer and a drainage protection system in a cooperative mode, the drainage protection system is arranged in an anti-seepage space, the vertical anti-seepage walls are continuously arranged in the circumferential direction of the anti-seepage space, the vertical anti-seepage walls are stirring pile walls, and the horizontal anti-seepage layer is arranged on the horizontal anti-seepage layer. The horizontal anti-seepage layer is laid at the bottom of the anti-seepage space, a strong permeable stratum is arranged below the horizontal anti-seepage layer, the horizontal anti-seepage layer comprises a composite geomembrane, the composite geomembrane covers the upper portion of the strong permeable stratum in the anti-seepage space, and the drainage protection system comprises a soft longitudinal water collecting concealed pipe and a transverse communicating pipe which are arranged below the composite geomembrane. In conclusion, the anti-seepage device has the advantages that the anti-seepage efficiency is high, the capacity of adapting to differential settlement of a sandy loam foundation is high, pressure is effectively guided, drained and released, the underground water uplift pressure uplift damage risk is reduced, and the stability is high.

The application discloses a camera connector and a camera device. The camera connector comprises a rear cover assembly, a conversion assembly and a board end assembly. The rear cover assembly comprises a cover body and a rear cover inner conductor. The cover body has a first mounting cavity, and the rear cover inner conductor is mounted in the first mounting cavity. The conversion assembly comprises a conversion piece and a conversion inner conductor. The conversion piece has a second mounting cavity and is connected to the cover body. The conversion inner conductor is mounted in the second mounting cavity and comprises a first part and a second part connected to each other. The first part has a conversion cavity. The conversion inner conductor comprises a first opening part which is arranged on the outer peripheral wall of the first part and is communicated with the conversion cavity. The rear cover inner conductor is connected to the first part and is arranged in the conversion cavity. The board end assembly is arranged in the second mounting cavity and comprises a board end inner conductor which is connected to the second part. The camera connector can avoid the assembly looseness of the rear cover assembly and the conversion assembly, and improve the assembly stability of the vehicle-mounted camera. The camera device with the camera connector has the above advantages.

The utility model provides a kind of cantilever beam support structure, it is related to cantilever beam technical field, comprising: inclined column, it is set to the side of support surface, and by lower to upper gradually away from support surface;Multiple crossbeam, each the crossbeam is spaced apart between inclined column and the support surface by lower to upper setting.The utility model has beneficial effect: the particularity of cleverly using the large-angle extension of inclined column is achieved by setting inclined column, by the inside steel beam, four inclined braces, and relevant node strengthening method of design, so that it forms a complete structure system, under the premise of guaranteeing its safety, the cantilever span of cantilever beam can be greatly increased, the room function and building design aesthetic type of existing building industry are increased;The bearing capacity and deformation capacity of entire structure system can be greatly increased by setting shaped steel in concrete beam in the structure device, the problems of large amount of engineering material, large cantilever structure, high cost, cantilever beam easy cracking deformation and other problems can be effectively solved.

The invention discloses a fabricated frame square timber sash-graphite polyphenyl-reinforced foamed ceramic plate combined wallboard and a manufacturing method thereof, which are mainly used as a peripheral wall panel of a light steel frame structure. The wood-wood composite board is formed by assembling an inner leaf frame square wood frame lattice and bamboo plywood combined inner leaf board, an outer leaf frame square wood frame lattice and reinforced foaming ceramic board combined outer leaf board and a sandwich graphite polystyrene board. The inner and outer leaf frame square timber sash is formed by connecting square timbers through node steel plates. The reinforced foamed ceramic plate is formed by compositing a foamed ceramic plate with a decorative surface layer and a high-ductility mortar plate with a shear key, and the high-ductility mortar plate is composed of a built-in steel wire mesh with the thickness not smaller than 20 mm, steel plate strips welded to the periphery of the steel wire mesh and a swallow tail meshing type frame on the periphery of the steel wire mesh. The assembly type frame square timber sash-graphite polyphenyl-reinforced foaming ceramic plate combined wallboard has the integrated functions of structure, heat preservation, decoration and enclosure, has the technical characteristics of light weight, good anti-seismic and fire-resistant performance and convenience and rapidness in assembly and construction, and has two anti-seismic defense lines.

The application discloses a novel modular steel-concrete composite joint, comprising a corner column and a sleeve module, the corner column is a right-angle three-axis frame structure, a plurality of corner columns are spliced to form a corner column unit according to needs, the corner column units are connected through the sleeve modules, the sleeve module and the corner column unit are hollow structures, and the hollow structures are filled with concrete. The novel modular steel-concrete composite joint has the characteristics of high connection integrity, safety and reliability, clear force transmission path, replaceable damaged components and the like, and simultaneously has superior anti-seismic performance and detachable and reusable characteristics. The novel modular composite joint adopts a self-recovery device, which not only guarantees the reusability and rapid post-earthquake repairing capacity of the module unit, but also realizes reasonable outward movement of a plastic hinge, and significantly improves the energy consumption and deformation capacity of the structure.

The utility model relates to the technical field of steel reinforcement cage, concretely to the whole structure of variable diameter steel reinforcement cage, including concrete cushion layer, be provided with screw thread reinforcement in concrete cushion layer, the bottom plate body is provided with screw thread reinforcement above concrete cushion layer, the anchor is connected with the screw thread reinforcement upper end, be provided with spiral stirrup between anchor and bottom plate body, be provided with multiple groups of bent reinforcement on bottom plate body, the stretchable part is provided with screw thread reinforcement below concrete cushion layer, the utility model, screw thread reinforcement, bottom plate body, bent reinforcement and spiral stirrup etc. jointly constitute the stable steel reinforcement cage structure, screw thread reinforcement as main force component, bear the tension and pressure, bottom plate body positioning and supporting split type variable diameter steel reinforcement cage, ensure its correct position in concrete member, bent reinforcement resists shear force, strengthens the structural integrity, spiral stirrup restricts concrete, improves its compressive strength and deformation capacity, makes the structure more stable, can better bear various loads.

The present application relates to the technical field of slope protection, and provides a construction method of a pressed corrugated steel slope protection structure, comprising the following steps: construction preparation: leveling the slope according to the drawings, measuring the slope, and determining the installation position and pressing depth of the corrugated steel protection unit; component construction: pressing a plurality of corrugated steel components into the slope in sequence according to the drawings to form the corrugated steel protection unit, and only exposing the top of the corrugated steel component on the slope surface; structure connection: splicing the adjacent corrugated steel protection units. The construction method of the pressed corrugated steel slope protection structure provided by the present application completely simplifies the process, cancels the maintenance, and shortens the construction period by abandoning the whole process of concrete. Specifically, the corrugated steel components are prefabricated in the factory, pressed into the construction site by using hydraulic machinery, and finally spliced, without waiting for the strength to increase.

The utility model provides a strutting piece and including the tire of strutting piece, including first support shell, intermediate support portion and second support shell, the first support shell and the second support shell are both annular structure and coaxial arrangement, the intermediate support portion is provided between the first support shell and the second support shell, the intermediate support portion is provided with the first support shell, the second support shell is provided with the second support shell, and the second support shell is provided with the second support shell. The multiple middle supporting parts are arranged in the circumferential direction of the first supporting shell, and the middle supporting parts have elasticity in the radial direction so that the middle supporting parts can be located at the first position or the second position. The supporting piece and the tire comprising the supporting piece provided by the utility model can replace an air bag to support the tire, have the properties of being anti-poke, high in bearing capacity, resistant to high and low temperatures and light in weight, and have extremely high practicability.

This invention belongs to the field of metamaterials technology, specifically relating to an adjustable integrated absorption and reflection metamaterial structure. It includes several basic units arranged in a periodic array. Each basic unit comprises a resonant unit, a dielectric layer, and a reflector layer stacked sequentially. The dielectric layer is deformable to create a cavity between itself and the reflector layer or to fit tightly against it. The resonant unit includes four sequentially connected arc-shaped segments arranged centrally symmetrically. The ends of adjacent arc-shaped segments connect to form sharp corners extending towards the center of the resonant unit, with a gap between opposing sharp corners. This invention offers good reconfigurability, high flexibility, and deformability, allowing for easy adjustment of the state and switching of operating modes according to actual usage needs, achieving broadband absorption or complete reflection functions from 4.9 GHz to 16.3 GHz.

The application discloses a single-cone-sleeve locking threaded steel bar connecting device and method, which comprises two connected steel bars connected in head-to-tail mode, and a locking threaded clamp and a single-cone sleeve are sequentially arranged outside the two connected steel bars; the end of the two connected steel bars in contact with each other is provided with a thread; the single-cone sleeve is a tubular structure, the inner hole is a one-way conical inner hole corresponding to the locking threaded clamp, and the outer surface is a cylindrical surface; the locking threaded clamp is a tubular structure, the inner hole is a threaded inner tooth with a thread matched with the thread of the connected steel bar wire head, and the outer surface is a one-way conical outer surface; the application is suitable for the field of steel bar connection, a special knocking tool is used to knock the outer end surface of the single-cone sleeve, so that the single-cone sleeve and the locking threaded clamp are axially displaced, the locking threaded clamp inner tooth thread is tightly pressed into the steel bar wire head, the steel bar connection of the tight-fit thread is realized, and the connection of the two connected steel bars which cannot rotate can be realized.

The present application relates to a kind of electric heating type liquid crystal elastomer artificial muscle and its preparation method, belong to intelligent polymer material technical field, solve the technical problem that weak deformation capacity of liquid crystal elastomer artificial muscle filler in prior art is too much to be hard and brittle easily.The electric heating type liquid crystal elastomer artificial muscle of the present application includes two layers of liquid crystal elastomer film and electric heating element;Electric heating element is set between two layers of liquid crystal elastomer film;The raw material of liquid crystal elastomer film includes liquid crystal base element, chain extender, crosslinking agent and catalyst;Wherein, liquid crystal base element is 1,4- Bis-[4-(3-acryloyloxy propoxy) benzoyloxy]-2-methyl benzene.The joule heat generated by electric heating element can activate liquid crystal elastomer, and will not limit the deformation of liquid crystal elastomer, so as to show the characteristics such as strong deformation ability, controllable heating mode and time, programmable drive;Also have self-sensing function, can be monitored and regulated shape change in real time according to the size of resistance.

The application belongs to the technical field of alloys, and provides a method for improving wear resistance of ADC12 recycled aluminum alloy. 2 Wherein, the current density of the pulse electric field treatment is not 0. The pulse electric field is applied to the ADC12 recycled aluminum alloy, electrons interact with crystal defects, atom diffusion is accelerated, dislocation movement is improved, phase change energy potential barrier is reduced, plastic deformation of the ADC12 recycled aluminum alloy is generated, and deformation capacity is improved. The pulse electric field refines solidification structure of the ADC12 recycled aluminum alloy through electron migration effect, Seebeck effect, magnetic shrinkage effect, skin effect, electronic wind power and inoculation modification effect, and wear resistance of the ADC12 recycled aluminum alloy is improved.

This invention belongs to the technical field of hard disk storage devices, and particularly relates to a hard disk enclosure with a vertical heat dissipation support structure, including a metal enclosure, a cooling mechanism, a thermally conductive silicone pad, and a storage mechanism. The vertical heat dissipation support structure of the hard disk enclosure provided in this application uses a highly elastic thermally conductive silicone pad, which not only conducts heat but also provides good cushioning elasticity. The strip-shaped thermal grooves on its surface further enhance the deformation capability of the silicone pad, absorbing minor vibrations during transportation. The cushioning silicone pads fixed at the top and bottom of the storage enclosure directly abut against the surface of the hard disk, forming a longitudinal limit. Combined with the lateral fixation of the L-shaped fixing plate and fixing bolts, the hard disk is secured during transportation, improving stability and effectively preventing damage from impacts.

The application belongs to the technical field of medical devices, and discloses an atomization mask which comprises a sealing member and a supporting member, the sealing member has a fitting end for fitting a patient's face and a supporting end opposite to the fitting end, the fitting end is provided with an accommodation port capable of simultaneously accommodating the patient's mouth and nose, the supporting end is provided with a convex portion capable of covering at least part of the patient's nose and a mounting port located below the convex portion, the supporting member is arranged in the mounting port and jointly spliced with the sealing member to form a delivery cavity, the supporting member is provided with a connecting hole for connecting an atomization cup, the connecting hole is in communication with the delivery cavity, the rigidity of the supporting member is greater than that of the sealing member, thereby increasing the deformation ability of the sealing member, so that the sealing member can adapt to the nose contours of various patients, the sealing property between the atomization mask and the patient's face is increased, and the atomization treatment effect on the patient is ensured.

This invention provides a compressor housing assembly, a compressor, and an air conditioner. The compressor housing assembly includes a compressor housing and a sensor mounting bracket. The sensor mounting bracket includes a mounting body, and a receiving channel is formed between the mounting body and the compressor housing for pressing a temperature measuring fixing section of a temperature sensor. The receiving channel has an insertion inlet end with an introduction limiting structure. The introduction limiting structure includes an introduction portion and a first limiting portion located between the introduction portion and the insertion inlet end. The diameter of the introduction portion gradually decreases along the insertion direction of the temperature sensor, and when the temperature measuring fixing section is within the receiving channel, the connection portion between the introduction portion and the first limiting portion is located outside the end face of the temperature measuring fixing section, and the projection of the connection portion along the axial direction of the temperature measuring fixing section is within the end face of the temperature measuring fixing section. This invention guides the temperature sensor to be smoothly inserted into the receiving channel and can utilize its first limiting portion to limit the insertion inlet end with a large opening size.

This application relates to the field of ITO target technology, and discloses a highly uniform ITO target and its preparation method. The highly uniform ITO target comprises the following raw materials in parts by weight: 96.5-99.5 parts of ITO powder and 0.5-3.5 parts of Cu / Ni nanocomposite; wherein the weight ratio of indium oxide to tin oxide in the ITO powder is 8.8-9.3:1. This application uses specific raw materials and proportions to prepare an ITO target with excellent comprehensive performance, effectively solving the problems of uneven internal microstructure and easy deformation, warping, and cracking during sintering of existing targets.

The application discloses a fiber composite material sleeve lining, a tunnel reinforcing structure and a reinforcing method. The fiber composite material sleeve lining comprises a fiber composite material plate, a connecting sleeve and a limiting device. The connecting sleeve is provided with notches distributed on two sides and a connecting hole communicating the notches on the two sides. The limiting device comprises a first connecting piece, a second connecting piece and a third connecting piece. The first connecting piece is fixed on the fiber composite material plate on one side of the connecting sleeve, the second connecting piece is fixed on the fiber composite material plate on the other side of the connecting sleeve, and the third connecting piece can freely move along with the movement of the first connecting piece until the limiting part contacts with the limiting hole on the second connecting piece. The fiber composite material sleeve lining disclosed by the application can prevent the concrete of the lining protection layer from peeling off, prolong the service life of the tunnel, and the FRP profile plate is accurate in positioning, reliable in connection and strong in deformation capacity.

This invention discloses a pipe bending machine with adaptive spacing, relating to the field of pipe bending machines. It includes a pipe bending machine body, an operating platform, and a pipe bending motor. The operating platform is located on the upper side of the pipe bending machine body, and the pipe bending motor is installed inside the machine body. A control component is located at the bottom of the pipe bending motor. An installation plate and a clamping plate are mounted on the upper side of the pipe bending machine body via an electric telescopic rod. Both the clamping plate and the inner side of the operating platform have first adjustment slots. In this pipe bending machine with adaptive spacing, the electric adjusting rod pushes the adjusting column towards the side where the pipe is located until the electric adjusting rod can no longer push the pipe. After the pressure sensor at the top of the electric adjusting rod senses a stable pressure signal, it transmits the signal to the control component to control the shutdown of the electric adjusting rod. This invention solves the problem of cumbersome operation and inconvenience caused by manually adjusting the bending spacing and repeatedly changing bending tools.

The utility model discloses a stainless steel-concrete combined reinforcing structure of a reinforced concrete column, which is characterized in that a reinforcing structure 3 is arranged outside an original reinforced concrete column 1 and comprises an outer wrapping steel plate 31 and a filling material layer 35, the original reinforced concrete column 1 is fixed to the periphery of the side to be reinforced of the original reinforced concrete column 1 in a four-face reinforcing mode, a two-face-face reinforcing mode, a two-adjacent-face reinforcing mode or a three-face reinforcing mode. The reinforcing structure 3; the outer wrapping steel plate 31 is fixed to the side to be reinforced of the original reinforced concrete column 1, and corner sealing of the outer wrapping steel plate 31 is completed through welding by means of the angle steel 32 and the T-shaped stainless steel connecting piece 36. And a filling material layer 35 is arranged between the wrapping steel plate 31 and the original reinforced concrete column 1. The bearing capacity, the crack resistance, the deformation resistance, the high-temperature resistance and the corrosion resistance of an original reinforced concrete column are remarkably improved, meanwhile, the appearance is effectively improved, and the formwork removal procedure and the anti-corrosion treatment procedure are reduced or even avoided.

The utility model discloses a kind of cooperation structure of sky screen sunroof guide rail and left and right fixed seat, including guide rail and fixed seat, the guide rail and fixed seat are connected, the guide rail bottom is provided with connecting strip, the connecting strip is installed on ceiling, the connecting strip one end is provided with plug-in interface, plug-in block is provided on the fixed seat, and the plug-in block is plugged with plug-in interface;First mounting hole is provided on the fixed seat, and second mounting hole is provided on the guide rail. Through the plug-in cooperation of plug-in block and plug-in interface, the quick pre-positioning and initial connection of guide rail and fixed seat are realized, and the installation efficiency is improved. In combination with the second mounting hole on guide rail and the first mounting hole on fixed seat, final firm connection can be carried out through fastener, ensuring the reliability and stability of connection. The double cooperation of plug-in and fastening makes positioning more accurate, avoiding position deviation in the installation process.

The utility model relates to the technical field of refrigeration, in particular to a flexible semiconductor refrigeration sheet and a semiconductor refrigeration system, the flexible semiconductor refrigeration sheet comprises a refrigeration surface flexible substrate, a heat dissipation surface flexible substrate and a core particle matrix clamped between the refrigeration surface flexible substrate and the heat dissipation surface flexible substrate; the core particle matrix comprises a plurality of P-type semiconductor core particles, a plurality of N-type semiconductor core particles and conductive electrodes, the P-type semiconductor core particles and the N-type semiconductor core particles are arranged adjacently, and the conductive electrodes are connected with the adjacent P-type semiconductor core particles and N-type semiconductor core particles; and a heat dissipation area is arranged between the P-type semiconductor core particle and the N-type semiconductor core particle. By utilizing the excellent mechanical property of the flexible substrate, the flexible semiconductor chilling plate can be applied to irregular surfaces such as various curved surfaces; and the heat dissipation area can improve the heat dissipation effect of the heat dissipation surface flexible substrate, so that the temperature of the refrigeration surface flexible substrate can be rapidly reduced, the refrigeration efficiency is improved, and the purpose of rapid refrigeration is achieved.

The present application belongs to the field of TiAl intermetallic compound, and relates to a TiAl alloy composition and a preparation method of high-performance TiAl alloy low-pressure turbine blade. Based on a TiAl alloy composition, the alloy is first made to have fine grain structure through reasonable extrusion + recrystallization annealing process, then the special molybdenum alloy die and the process method of vacuum isothermal die forging are adopted, so that the brittle material realizes the forming of blade structure at high temperature and low speed, and the technical bottleneck problems such as large blade machining allowance, serious material waste, uneven blade structure, unstable mechanical properties of parts and the like caused by the need of machining preform of TiAl alloy at high temperature and preheating at low temperature during the near isothermal forming in the conventional preparation method are solved, and the blade quality is significantly improved and the manufacturing cost is saved. The machining allowance of the TiAl blade die forging part of the present application is only 2mm, and the raw material consumption can be saved by about 30%.

The application discloses a shaped charge tube for shaped charge smooth blasting and a mounting method thereof, which comprises a tube body spliced by a plurality of tube segments; opposite sides in the interior of each tube segment are provided with shaped charge strips, and each tube segment comprises, in sequence, a blasting segment, a charging segment and a lengthening segment; the inner wall of the blasting segment is provided with a plurality of annular first limiting plates which are uniformly distributed; a conical detonation cap is movably assembled in the blasting segment; a first notch part is formed in the surface of the charging segment, and the corresponding central angle of the first notch part on the cross section is an obtuse angle; a second notch part which is in communication with the first notch part is formed in the surface of the lengthening segment, the corresponding central angle of the second notch part on the cross section is an acute angle, and the second notch part extends to the end face of the end of the lengthening segment which is away from the charging segment. The application is used for solving the problems that the existing technology is prone to charging difficulty and interference with the shaped charge effect after the lengthening of the shaped charge tube, and achieving the purposes of reducing the charging difficulty, improving the operation efficiency and the like on the basis of ensuring the stability of the shaped charge direction.

The utility model discloses a sneaker and a sneaker midsole structure specially designed for women, and relates to the technical field of shoe design, the sneaker midsole structure specially designed for women comprises a midsole main body, the midsole main body is a foaming material piece, the gap range of foaming particles of the foaming material piece is 1.2 mm-1. 5mm, and the gap range of the foaming particles of the foaming material piece is 1.2 mm-1. 5mm. And the female body weight range matched with the rebound curve of the insole main body is 45-70 kilograms. The deformation capacity of the insole is enhanced by adjusting the size and density of gaps of the foaming particles, so that a female wearer can fit the steps of a female after wearing the insole for the first time, and a'compaction 'adaptation period is not needed. Moreover, the springback curve of the insole structure is optimized so as to absorb pace pressure and reduce burdens on ankles and knees, the insole structure better conforms to physiological needs of women, a more sensitive springback effect and customized softness, cushioning and other comfort can be achieved, and the requirements of the women in sports and daily scenes are met.

A self-suction physiotherapy instrument comprises an air bag, an outer cover, an inner chamber, a main control circuit board and a flexible circuit board, a cover top plate in the outer cover is connected with the bottom of the air bag, the top of the air bag is connected with the main control circuit board, the periphery of the cover top plate is connected with a cover top opening of a cover side wall extending downwards, and the top of the inner chamber is connected with the cover top plate in a sealed mode. The chamber bottom is connected with the flexible bottom layer in a sealed mode, the top face of the flexible bottom layer makes contact with the bottom face of the flexible circuit board, the flexible circuit board and the battery are both located in the inner chamber, and the chamber side wall and the cover top plate are provided with side air holes and air suction holes respectively. An outer partition cavity formed between the chamber side wall and the cover side wall sequentially passes through the side air holes, the chamber inner cavity and the air suction holes and then communicates with the interior of the air bag, and the main control circuit board is in circuit connection with the battery and the flexible circuit board. The design is high in simplicity degree and easy to carry and use.

This application relates to the field of air conditioning technology, disclosing an air guide plate assembly and an air conditioner. The air guide plate assembly includes: a first air guide plate with a snap-fit ​​portion; and a second air guide plate with a snap-fit ​​mating portion, the snap-fit ​​mating portion being adapted to the snap-fit ​​portion; wherein, when the first air guide plate and the second air guide plate are connected, and the snap-fit ​​portion mates with the snap-fit ​​mating portion, there is a gap between the snap-fit ​​portion and the snap-fit ​​mating portion. The gap between the snap-fit ​​portion and the snap-fit ​​mating portion allows space for the thermal expansion and contraction of the first air guide plate and / or the second air guide plate when they deform, preventing deformation of the first or second air guide plate, improving the deformability of the air guide plate assembly, and thus ensuring the performance of the air conditioner.

This application provides a high elongation silicone rubber and its preparation method. The high elongation silicone rubber comprises the following raw materials in parts by weight: 100 parts of terminal vinyldimethylsiloxane, 5-15 parts of modified filler, 2-10 parts of vinyl MQ resin, 3-8 parts of polymethylhydrosiloxane, 0.001-0.03 parts of methylbutyninol, and 0.001-0.003 parts of platinum catalyst. The modified filler includes a silane-modified microfibrillated cellulose-chitosan crosslinked composite and a polyvinyl alcohol-β-cyclodextrin complex supported in the silane-modified microfibrillated cellulose-chitosan crosslinked composite. The silicone rubber prepared by this application exhibits excellent elongation and is suitable for applications requiring high flexibility and tensile properties, such as flexible components and elastic packaging, showing broad application prospects.

The utility model relates to a high-pressure ball valve with a self-sealing function, and belongs to the technical field of high-pressure ball valve sealing. The high-pressure ball valve with the self-sealing function comprises a valve body, a valve ball, a fixing valve rod, a water outlet pipe, a water inlet pipe and a sealing lantern ring, a fixing disc is attached to one end of a second plug, water passing grooves are formed in the valve ball, the sealing lantern ring, a first plug, the second plug and the fixing disc, and when the water passing grooves of the valve ball and a pipeline are located on the same axis of the valve body, the water passing grooves are communicated with the fixing disc. A channel allowing liquid or gas to flow is formed in the valve body, the liquid or gas can pass through the valve ball, when the valve ball rotates, the side face of the valve ball can block the channel in the valve body, the two sides of the valve ball are sealed through the sealing lantern rings, water flow is intercepted by the outer wall of the valve ball, and through the integrated structure of the valve body, the splicing gaps of the valve body are reduced; and after the fixed disc is detached, a plurality of parts in the fixed disc can be poured out, subsequent maintenance and management are facilitated, and the working efficiency is improved.

This invention relates to the field of oilfield chemistry, and discloses a betaine compound, its preparation method, and its application. The betaine compound has the structure shown in Formula I: In Formula I, m = 1-30; n = 1-15; R1 is a C1-C8 carbon chain alcohol or a C6-C8 aromatic alcohol; R2 and R3 are each independently hydrogen or methyl; R4 is a C1-C3 alkylene or hydroxylated alkylene; M ‑ SO3 ‑ or COO ‑ The betaine compound contains a large number of PO groups, increasing the size of the hydrophobic groups. Betaine percolators containing this compound, through the synergistic effect of the PO groups and betaine molecules, transform the active components of crude oil into low-molecular-weight components (such as fatty acids), reducing the interfacial film strength of the betaine and thus improving the deformability of the emulsion. The betaine compound of this invention can be used as a betaine percolator for fracturing in low-permeability reservoirs, further improving oil recovery.

The utility model provides a basement enclosure structure based on corbel force transmission belt, including triaxial mixing pile, triaxial mixing pile construction is inserted with enclosure section steel simultaneously every other one, triaxial mixing pile and enclosure section steel top are provided with concrete enclosure purlin and overhanging corbel, and the inclined pile is inserted into the bottom plate in the oblique direction, and the top end and enclosure section steel are integrated through steel bar binding and concrete pouring. The upper corbel force transmission belt is arranged between the enclosure section steel and the basement outer wall, the steel bar of the upper corbel force transmission belt is fixed through steel bar binding with the bottom plate steel bar, and is integrated with the bottom plate through concrete pouring, unloads external pressure, and the external force of the enclosure structure is transmitted to the bottom plate through the upper corbel force transmission belt, and the stability of the foundation pit is improved. The utility model upper corbel force transmission block has significant improvement in bearing capacity, deformation capacity, construction efficiency, durability and the like through the combined design of section steel and steel bar, and is especially suitable for soft soil foundation, deep foundation pit support, large-span underground engineering and other complex scenes.